CN111702375B - Austenitic stainless steel pipe silencer adapter tube and manufacturing method thereof - Google Patents
Austenitic stainless steel pipe silencer adapter tube and manufacturing method thereof Download PDFInfo
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- CN111702375B CN111702375B CN202010550097.9A CN202010550097A CN111702375B CN 111702375 B CN111702375 B CN 111702375B CN 202010550097 A CN202010550097 A CN 202010550097A CN 111702375 B CN111702375 B CN 111702375B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses an austenitic stainless steel pipe silencer adapter and a manufacturing method thereof, wherein the austenitic stainless steel pipe silencer adapter comprises a pipe body, an air inlet pipe section and a fixed pipe section, the pipe body is in an irregular tubular shape, the air inlet pipe section is welded at one end of the pipe body, an adjusting assembly is connected between the fixed pipe section and the other end of the pipe body, silencing holes are uniformly distributed at one end of the pipe body close to the fixed pipe section, the adjusting assembly is used for adjusting the opening and closing of the silencing holes, and the adjusting assembly is respectively welded with the pipe body and the fixed pipe section after adjustment is completed; the method comprises the following steps: a. preparation before assembly; b. clamping; c. welding; d. and taking down the muffler connecting pipe. When the silencer connecting pipe is installed, according to the environment used by the silencer connecting pipe, the number of the silencing holes closed by the adjusting component during the side-load refrigeration effect is larger than that of the silencing holes closed by the adjusting component during the side-load noise reduction effect, and the side load of the silencer connecting pipe can be adjusted by adjusting the opening and closing of the silencing holes by the adjusting component according to different occasions, so that the production efficiency is greatly accelerated, and the production cost is reduced.
Description
Technical Field
The invention belongs to the technical field of silencer equipment, and particularly relates to an austenitic stainless steel pipe silencer adapter tube and a manufacturing method thereof.
Background
The silencer is a basic component in a refrigeration system, and can enable airflow to pass through the cavity in the system to buffer and effectively reduce noise, and meanwhile, redundant refrigerants in the system can be stored. The mufflers are of various types, but the muffling mechanism is considered, and the mufflers can be divided into six main types, namely resistive mufflers, reactive mufflers, resistive composite mufflers, micro-perforated plate mufflers, small-hole mufflers and active mufflers.
In the prior art, high-pressure gas is discharged into a silencer through a silencer connecting pipe, and the flow velocity of the high-pressure gas is reduced through a silencing hole on the silencer connecting pipe, so that the flow velocity of the gas discharged from the silencer is reduced, and the noise is reduced; the muffler is taken over in manufacturing process for the body of pipe that the muffler was taken over is irregular shape because the installation needs, leads to the muffler to take over when welding on the welding bench, appears rocking easily, has reduced welding quality.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides an austenitic stainless steel pipe silencer connecting pipe and a manufacturing method thereof, wherein an air inlet pipe is welded at one end of a pipe body, an adjusting component is arranged between the other end of the pipe body and a fixed pipe section, a silencing hole is formed at one end of the pipe body close to the fixed pipe section, the adjusting component is used for adjusting the opening and closing of the silencing hole, the adjusting component is respectively welded with the fixed pipe section and the pipe body after the adjustment is finished, so that the stability of the silencer is improved, the pipe body with the silencing hole can be produced in batch in the production process, when the silencer connecting pipe is installed, the number of the silencing holes closed by the adjusting component is larger than that of the silencing holes closed by the adjusting component when the side-weight refrigeration effect is realized according to the environment used by the silencer connecting pipe, the side weight of the silencer can be adjusted by the adjusting component through adjusting the opening and closing of the silencing hole, thereby greatly accelerating the production efficiency and reducing the production cost; in the manufacturing method, firstly, a pipe body, an air inlet pipe section, an adjusting pipe section and an adjusting cavity are processed according to the designed shape and size, then the pipe body passes through a bottom bracket, a top pressing frame and a second support frame, so that the pipe body is fixed on a welding table, the height of one end of the pipe body is higher than that of the other end of the pipe body due to the irregular shape of the pipe body, one end of the pipe body is supported by the second support frame, the top pressing frame and the bottom bracket are supported at the other end of the pipe body, so that the pipe body is stably installed on the welding table, the bottom bracket and the second support frame play a role of limiting and supporting the bottom of the pipe body, the top pressing frame is used for limiting and pressing the pipe body on the bottom bracket and the second support frame, the shaking in the subsequent processing process of the pipe body is avoided, the stability of the pipe body is greatly improved, meanwhile, the assembling precision of the pipe body is improved, and when the pipe body is clamped on the welding table, the air inlet pipe section is clamped on the first support frame, then the through hole in the fixing seat is aligned to the centering rod on the clamping table, the through hole is inserted into the centering rod, then the fixing seat is clamped through the jacking block and the pressing block, so that the fixing seat is fixed on one side of the clamping table, the setting of the centering rod plays a role in positioning the installation of the fixing seat, and the setting of the jacking block and the pressing block plays a role in fixing, so that the stability of the fixing seat in the assembling process is improved, and the installation accuracy of the fixing seat is improved; after clamping is completed, the first support frame is driven to drive the air inlet pipe to move towards the pipe body, then the first welding assembly rotatably welds the joint of the pipe body and the air inlet pipe section, the pipe body is irregular, so that the rotation of the pipe body needs a large processing range, the first rotating motor is adopted to drive the driving gear to rotate, the driving gear drives the transmission tooth part, so that the first rotating ring is controlled to rotate in the first fixed ring, the rotary welding of the first welding assembly is realized, the processing range is reduced, the first welding assembly is arranged on the first support frame, when the first support frame drives the air inlet pipe section to move, the first welding assembly moves along with the first support frame, the welding precision of the first welding assembly is improved, one end of the adjusting pipe section is arranged in the adjusting cavity, and the other end of the adjusting pipe section is arranged in the pipe body, and the length of the adjusting pipe section inserted into the pipe body is set according to the environment of the silencer adapter, after the adjustment is completed, the clamping ring is clamped at the joint of the pipe body and the adjusting pipe section, the clamping ring, the pipe body and the adjusting pipe section are welded through the second welding component, the setting of the clamping ring increases the firmness of the connection between the adjusting pipe section and the pipe body, the adjusting pipe section is prevented from being separated from the pipe body, the adjusting cavity is moved to be attached to the fixed seat, the second welding component is moved to weld the joint of the adjusting pipe section and the adjusting cavity, the attachment of the adjusting cavity and the fixed seat is welded, so that the silencer adapter is manufactured, and then the manufactured silencer adapter is taken down from the welding table, by adopting the method, the stability of the pipe body and the fixed seat in the welding process is greatly improved, and the welding progress of the silencer adapter is increased, meanwhile, the pipe body, the air inlet pipe section, the adjusting pipe section and the adjusting cavity are clamped on the welding table by a worker, the pipe body, the air inlet pipe section and the fixing seat are automatically welded through the first welding assembly and the second welding assembly, the technical requirements for the worker are reduced, and the labor intensity of the worker is reduced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an austenitic stainless steel pipe muffler is taken over, includes body of pipe, air inlet pipe section and fixed pipeline section, its characterized in that: the pipe shaft is irregular tubulose, and the welding of inlet pipe section is connected with adjusting part between the other end of fixed pipeline section and pipe shaft, and the pipe shaft is close to the one end evenly distributed of fixed pipeline section and has the bloop, and adjusting part is used for adjusting opening and close of bloop, adjusting part adjust accomplish after respectively with pipe shaft, fixed pipeline section welding. According to the invention, the air inlet pipe is welded at one end of the pipe body, the adjusting component is installed between the other end of the pipe body and the fixed pipe section, the muffling hole is formed at one end of the pipe body close to the fixed pipe section, the adjusting component is used for adjusting the opening and closing of the muffling hole, and the adjusting component is respectively welded with the fixed pipe section and the pipe body after the adjustment is completed, so that the stability of the silencer is improved.
Furthermore, the diameter of the air inlet pipe section is smaller than that of the pipe body, and the air inlet pipe section is connected with the pipe body in a welding mode. The setting of the pipe section that admits air makes things convenient for the assembly that the muffler was taken over, gaseous flow rate has been slowed down in the pipe section enters into the back diffusion to the pipe shaft from the pipe section that admits air simultaneously to play the effect of making an uproar that falls, the pipe section that admits air has realized the fixed connection of the pipe section that admits air and pipe shaft with the welding of pipe shaft.
Furthermore, the fixed pipe section comprises a fixed seat and an adjusting cavity, the fixed seat is welded with the adjusting cavity, one end of the adjusting assembly is movably connected into the adjusting cavity, and the adjusting assembly is welded with the adjusting cavity after adjustment is completed. The setting of fixing base is used for taking over the muffler and fixes in the muffler, adjusts the installation that the setting of cavity is used for adjusting the subassembly.
Furthermore, a through hole is arranged in the fixed seat and communicated with the adjusting cavity. The setting of through-hole makes gaseous from the inlet pipe section entering back, and partial gas is discharged from the amortization downthehole, and remaining part is gaseous in discharging the muffler in from the through-hole to realize slowing down of gas velocity of flow, reduced the noise.
Further, the adjusting part includes adjusting pipe section and snap ring, and the one end swing joint of adjusting the pipe section is in adjusting the cavity, and the other end swing joint of adjusting the pipe section is at the other end of pipe shaft, and the snap ring hugs closely at the other end of pipe shaft, adjusts the opening and close that the pipe section is used for adjusting the bloop, adjusts the one end of accomplishing back adjusting pipe section and adjusts the cavity welding, and the one end that the snap ring is close to the pipe shaft welds with the pipe shaft, and the other end and the adjusting pipe section welding of snap ring. The one end sliding connection who adjusts the pipeline section adjusts the cavity, the other end sliding connection who adjusts the pipeline section is in the pipe shaft, adjust the pipeline section and slide in the pipe shaft, thereby the opening and close of control bloop, through closing the bloop of different quantity, thereby adjust this muffler to noise reduction and to the side of refrigeration effect, thereby make the application range greatly increased of this muffler, can be suitable for different operational environment, the setting of snap ring has increased welding strength between regulation pipeline section and the pipe shaft.
Furthermore, the two ends of the adjusting pipe section are respectively provided with a sliding block, a first sliding groove is arranged in the adjusting cavity, a second sliding groove is arranged in the other end of the pipe body, and the sliding blocks are respectively connected in the first sliding groove and the second sliding groove in a sliding manner. The setting of sliding block, first spout and second spout has realized adjusting the one end sliding connection of pipeline section in adjusting the cavity, and adjusting the other end sliding connection of pipeline section is in the pipe shaft.
A manufacturing method of an austenitic stainless steel pipe silencer adapter is characterized by comprising the following steps:
a. preparation before assembly
Firstly, bending an austenitic stainless steel pipe through a bending device according to the designed shape and size to form an irregular tubular pipe body, and then processing an air inlet pipe section, an adjusting pipe section and an adjusting cavity according to the designed shape and size;
b. clamping fixture
1) Clamping of pipe body and air inlet pipe section
Fixing a pipe body on a welding table, supporting the bottom of the pipe body through a bottom bracket and a second support frame on the welding table, and enabling a top pressing frame on the welding table to abut against the top of the pipe body, so that the pipe body is fixed on the welding table, meanwhile, the position of one end of the pipe body is higher than the position of the other end of the pipe body, then, placing an air inlet pipe section on a first support frame on the welding table, and clamping the air inlet pipe section through the first support frame so that the air inlet pipe section is fixed on the welding table;
2) clamping of fixing seat
Firstly, aligning a through hole on one side of a fixed seat with a centering rod on one side of a clamping table, then inserting the through hole on the centering rod, driving a first pushing cylinder to operate, wherein the first pushing cylinder pushes out a pushing block which abuts against one side of the fixed seat close to the clamping table, then driving second pushing cylinders located at the upper end and the lower end of the clamping table to operate, retracting the pressing block by the second pushing cylinders, so that the pressing block abuts against the other side of the fixed seat, and fixing the fixed seat on one side of the clamping table through the pressing block and the pushing block;
c. welding of
1) Welding of pipe body and air inlet pipe section
The first support frame is driven to drive the air inlet pipe section to approach the pipe body, the first support frame simultaneously drives the first welding assembly to move, the first welding assembly comprises a first fixing ring, a first rotating ring, a first welding gun and a first wire feeding rod, the first support frame is fixedly connected with a welding installation seat, the first fixing ring is fixedly connected onto the welding installation seat, the first rotating ring is rotatably connected into the first fixing ring, a first center hole is formed in the center of the first rotating ring, a first transmission tooth part is arranged in the first center hole, the air inlet pipe section is positioned in the center of the first center hole, a first driving gear is meshed with the first transmission tooth part, the first support frame is further fixedly connected with a first motor installation seat, the first motor installation seat is provided with a first rotating motor, the first driving gear is arranged at the end part of the first rotating motor, the first welding gun and the first wire feeding rod are fixedly connected onto the first rotating ring through the first fixing block, when the air inlet pipe section is tightly attached to the pipe body, the first rotating motor drives the first driving gear to rotate, the first driving gear drives the first driving gear to rotate, so that the first rotating ring is driven to rotate in the first fixing ring, the first welding gun and the first wire feeding rod are controlled to rotate along with the first rotating ring, and the joint of the air inlet pipe section and the pipe body is welded;
2) welding of snap rings
Firstly, installing one end of an adjusting pipe section into the adjusting cavity through matching of a first chute in the adjusting cavity and a sliding block at one end of the adjusting pipe section, enabling the adjusting pipe section to be connected into the adjusting cavity in a sliding mode, then installing the other end of the adjusting pipe section into a pipe body through matching of a second chute of the pipe body and the sliding block at the other end of the adjusting pipe section, setting the length of the adjusting pipe section inserted into the pipe body according to the number of required bloop, moving a clamping ring after adjustment is completed, enabling the clamping ring to be clamped at the joint of the pipe body and the adjusting pipe section, and welding second welding components at the joint of the clamping ring and the pipe body and the joint of the clamping ring and the adjusting pipe section;
3) welding of adjusting cavity and fixing seat
The adjusting cavity is moved, one end of the adjusting cavity is enabled to be tightly attached to the fixing seat, the second welding assembly firstly welds the joint of the other end of the adjusting cavity and the adjusting pipe section, and then welds the joint of one end of the adjusting cavity and the fixing seat;
d. connecting pipe for taking down silencer
The second top that presss from both sides tight platform at first pushes away the cylinder operation, and the second top pushes away the cylinder and stretches out the compact heap, then rotates the compact heap for the fixing base loosens, then adjusts the top and compresses tightly the frame and move up, and the bottom bracket is putd aside from the bottom of pipe shaft, thereby makes the muffler takeover break away from with the welding bench, thereby accomplishes the installation.
Further, the specific setting of first support frame, second support frame and bottom bracket: a U-shaped supporting block and a supporting adjusting block are fixedly connected to the welding table, one side of the supporting adjusting block is fixedly connected with the U-shaped supporting block, an adjusting plate is fixedly connected to the top of the U-shaped supporting block, third chutes are formed in two sides of the adjusting plate, a first sliding block is arranged at the bottom of the first supporting block and is slidably connected in the third chute of the adjusting plate, the first supporting block is slidably connected to one end of the adjusting plate, a second supporting block is fixedly connected to the other end of the adjusting plate, an adjusting hole is formed in the supporting adjusting block, a threaded rod is fixedly connected in the adjusting hole, a second sliding block is arranged at the bottom of the bottom bracket and penetrates through the adjusting hole, the threaded rod penetrates through the second sliding block, nuts are arranged at two ends of the threaded rod and are screwed on two sides of the second sliding block, the nuts at two ends of the second sliding block are unscrewed, the second sliding block is driven to slide along the adjusting hole, so that the bottom bracket is controlled to slide along the adjusting hole, after the second sliding block slides to a proper position, the nuts are screwed down and then the two sides of the second sliding block are screwed. Third sliding grooves are formed in the two sides of the adjusting plate, and a first sliding block is arranged at the bottom of the first support frame, so that the first support frame is connected to the adjusting plate in a sliding mode, and the first support frame is driven to drive the air inlet pipe section to move towards one side of the pipe body; the second support frame plays a supporting role with the bottom bracket to the bottom of pipe shaft, has increased the stability of pipe shaft, avoids the pipe shaft to produce in the course of working and rocks the phenomenon to improved the machining precision of pipe shaft, the setting of regulation hole, threaded rod and second slider, according to the size of pipe shaft, the bottom bracket can remove along the direction of threaded rod in the regulation hole, make the bottom bracket hug closely in the bottom of pipe shaft, realized that the bottom bracket has the controllability.
Further, the top compresses tightly the concrete setting of frame: the top hold-down frame includes briquetting, elevating platform and lifter, and the elevating platform is equipped with lift adjustment hole, and the lift adjustment hole is passed to the one end of lifter, and briquetting fixed connection is in the bottom of the other end of lifter, briquetting and pipe shaft phase-match, the one end fixedly connected with connecting block of lifter, and the connecting block is equipped with the tight screw in top, and the tight screw in top is tight on the elevating platform. Through unscrewing the tight screw in top to can control the lifter and go up and down along the lift adjustment hole, according to the size of pipe shaft, adjust the lifter, the lifter drives the briquetting and compresses tightly the top of pipe shaft, makes the pipe shaft spacing on second support frame and bottom bracket.
Further, the second welding assembly comprises a second fixing ring, a second rotating ring, a second welding gun and a second lead screw, a fourth chute is arranged at the top of the welding table, a third slider is arranged at the bottom of the second fixing ring and is connected in the fourth chute in a sliding manner, the second rotating ring is rotatably connected in the second fixing ring, a second center hole is formed in the center of the second rotating ring, a second transmission tooth part is arranged in the second center hole, the adjusting cavity is positioned at the center of the second center hole, a second driving gear is meshed with the second transmission tooth part, a second motor mounting seat is fixedly connected to the third slider and is provided with a second rotating motor, the second driving gear is arranged at the end part of the second rotating motor, the second welding gun and the second lead screw are fixedly connected to the second rotating ring through a second fixing block, the second rotating motor drives the driving gear to rotate, the second driving gear drives the second transmission tooth part to rotate, thereby drive the second rotating ring and rotate in the second fixed ring to control second welder and second send a pole to follow the rotation of second rotating ring and weld. The fourth spout and the setting of third slider have realized that second welding assembly can remove along the fourth spout for second welding assembly can weld snap ring and the laminating department of adjusting the pipeline section, the laminating department of shaft and snap ring, the laminating department of adjusting the cavity and adjusting the pipeline section, the fixing base and the laminating department of adjusting the cavity, the centre of a circle of second swivel becket and the coaxial setting in the centre of a circle of fixing base have guaranteed second welding assembly's welding precision simultaneously.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the invention, the air inlet pipe is welded at one end of the pipe body, the adjusting component is installed between the other end of the pipe body and the fixed pipe section, the muffling hole is formed at one end of the pipe body close to the fixed pipe section, the adjusting component is used for adjusting the opening and closing of the muffling hole, and the adjusting component is respectively welded with the fixed pipe section and the pipe body after the adjustment is completed, so that the stability of the silencer is improved.
In step b, the tube body is fixed on the welding table through the bottom bracket, the top pressing frame and the second support frame, the tube body is fixed on the welding table, the height of one end of the tube body is higher than that of the other end of the tube body due to the irregular shape of the tube body, the one end of the tube body is supported through the second support frame, the top pressing frame and the bottom bracket are supported at the other end of the tube body, so that the tube body is stably installed on the welding table, the bottom bracket and the second support frame play a role of limiting and supporting the bottom of the tube body, the top pressing frame limits and presses the tube body on the bottom bracket and the second support frame, the shaking in the subsequent processing process of the tube body is avoided, the stability of the tube body is greatly improved, the assembling precision of the tube body is improved, when the tube body is clamped on the welding table, the air inlet tube section is clamped on the first support frame, then the through hole on the fixing seat is aligned to the centering rod on the clamping table, and insert the through-hole on the centering rod, then press from both sides tight fixing base through tight piece in top and compact heap to fix the fixing base in one side of pressing from both sides tight platform, the setting of centering rod plays a positioning action to the installation of fixing base, and the tight piece in top plays a fixed action with the setting of pressing from both sides tight piece, thereby has increased the stability of fixing base in the assembling process and has improved the installation accuracy of fixing base.
In the step c of the invention, the first support frame is driven to drive the air inlet pipe to move towards the pipe body, then the first welding assembly rotatably welds the joint of the pipe body and the air inlet pipe section, the pipe body is irregular, so that the pipe body needs a larger processing range when rotating, the first rotating motor is adopted to drive the driving gear to rotate, and the driving gear drives the transmission tooth part, so that the first rotating ring is controlled to rotate in the first fixed ring, the rotary welding of the first welding assembly is realized, the processing range is reduced, the first welding assembly is arranged on the first support frame, the first welding assembly can conveniently move along with the first support frame when the first support frame drives the air inlet pipe section to move, and the welding precision of the first welding assembly is improved.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of an austenitic stainless steel pipe silencer adapter according to the present invention;
FIG. 2 is an exploded view of a muffler adapter according to the present invention;
FIG. 3 is a schematic structural view of the present invention after clamping is completed;
FIG. 4 is a schematic view of the present invention in a configuration for welding the inlet pipe section;
FIG. 5 is a schematic structural view of the present invention during the process of welding the fixing base and the adjusting cavity;
fig. 6 is a schematic structural view of the present invention in the process of disassembling muffler pipe.
In the figure, 1-tube body; 2-a gas inlet pipe section; 3-fixing the pipe section; 4-a regulating component; 5-silencing holes; 6-fixing the base; 7-adjusting the cavity; 8-a through hole; 9-adjusting the pipe section; 10-a snap ring; 11-a sliding block; 12-a first runner; 13-a second chute; 14-a welding station; 15-bottom bracket; 16-a second support; 17-a top hold down; 18-a first support frame; 19-a centering rod; 20-a first pushing cylinder; 21-a puller block; 22-a second jacking cylinder; 23-a compact block; 24-a first retaining ring; 25-a first rotating ring; 26-a first welding gun; 27-a first feed screw; 28-welding the mounting seat; 29-a first welded assembly; 30-a first transmission tooth part; 31-a first drive gear; 32-a first motor mount; 33-a first rotating electrical machine; 34-a second welded assembly; a 35-U shaped support block; 36-supporting the adjusting block; 37-adjusting plate; 38-a third runner; 39-a first slide; 40-a conditioning aperture; 41-threaded rod; 42-a second slider; 43-briquetting; 44-a lifting platform; 45-lifting rod; 46-a lift adjustment hole; 47-connecting block; 48-a second retaining ring; 49-a second rotating ring; 50-a second welding gun; 51-a second feed screw; 52-fourth runner; 54-a second drive tooth portion; 55-a second drive gear; 56-third slide block; 57-a second motor mount; 58-a second rotating electrical machine; 59-clamping table.
Detailed Description
As shown in fig. 1 to 2, the austenitic stainless steel pipe silencer adapter according to the present invention includes a pipe body 1, an air inlet pipe section 2 and a fixed pipe section 3, wherein the pipe body 1 is in an irregular tubular shape, the air inlet pipe section 2 is welded at one end of the pipe body 1, an adjusting component 4 is connected between the fixed pipe section 3 and the other end of the pipe body 1, muffling holes 5 are uniformly distributed at one end of the pipe body 1 close to the fixed pipe section 3, the adjusting component 4 is used for adjusting the opening and closing of the muffling holes 5, and the adjusting component 4 is welded with the pipe body 1 and the fixed pipe section 3 after adjustment is completed.
The diameter of the air inlet pipe section 2 is smaller than that of the pipe body 1, and the air inlet pipe section 2 is connected with the pipe body 1 in a welding mode. The setting of the air inlet pipe section 2 facilitates the assembly of the muffler connecting pipe, meanwhile, the air enters the pipe body 1 from the air inlet pipe section 2 and then diffuses, the flow speed of the air is reduced, the noise reduction effect is achieved, and the air inlet pipe section 2 is fixedly connected with the pipe body 1 by welding the air inlet pipe section 2 with the pipe body 1.
Fixed pipe section 3 includes fixing base 6 and regulation cavity 7, welded connection between fixing base 6 and the regulation cavity 7, and the one end swing joint of adjusting part 4 is in adjusting cavity 7, and adjusting part 4 adjusts and accomplishes the back and adjusts cavity 7 welding. The fixing seat 6 is used for fixing the silencer connecting pipe in the silencer, and the adjusting cavity is used for installing the adjusting component 4.
A through hole 8 is arranged in the fixed seat 6, and the through hole 8 is communicated with the adjusting cavity 7. The setting of through-hole 8 makes gaseous follow air intake pipe section 2 get into the back, and partial gas is discharged in the bloop 5, and remaining part gas is discharged in the muffler in the through-hole 8 to realize slowing down of gas velocity of flow, reduced the noise.
Adjusting part 4 is including adjusting pipe section 9 and snap ring 10, the one end swing joint of adjusting pipe section 9 is in adjusting cavity 7, the other end swing joint of adjusting pipe section 9 is at the other end of pipe shaft 1, snap ring 10 hugs closely at the other end of pipe shaft 1, adjusting pipe section 9 is used for adjusting opening and close of bloop 5, adjust the one end of accomplishing back adjusting pipe section 9 and adjust cavity 7 welding, the one end that the snap ring 10 is close to pipe shaft 1 welds with pipe shaft 1, the other end and the adjusting pipe section 9 welding of snap ring 10. One end sliding connection who adjusts pipeline section 9 adjusts cavity 7, the other end sliding connection who adjusts pipeline section 9 is in pipe shaft 1, adjust pipeline section 9 and slide in pipe shaft 1, thereby control opening and close of bloop 5, through closing bloop 5 of different quantity, thereby adjust this muffler to noise reduction effect and to the emphasis of refrigeration effect, thereby make the application range greatly increased of this muffler, can be suitable for different operational environment, setting up of snap ring 10 has increased welding strength between adjust pipeline section 9 and pipe shaft 1.
The both ends of adjusting the pipeline section are equipped with sliding block 11 respectively, are equipped with first spout 12 in adjusting the cavity 7, are equipped with second spout 13 in the other end of pipe shaft 1, and sliding block 11 is sliding connection respectively in first spout 12 and second spout 13. The arrangement of the sliding block 11, the first sliding groove 12 and the second sliding groove 13 realizes that one end of the adjusting pipe section 9 is slidably connected in the adjusting cavity 7, and the other end of the adjusting pipe section 9 is slidably connected in the pipe body 1.
As shown in fig. 3 to 6, the method for manufacturing the austenitic stainless steel pipe silencer adapter pipe according to the present invention comprises the following steps:
a. preparation before assembly
Firstly, bending an austenitic stainless steel pipe by a bending device according to the designed shape and size to form an irregular tubular pipe body 1, and then processing an air inlet pipe section 2, an adjusting pipe section 9 and an adjusting cavity 7 according to the designed shape and size.
b. Clamping fixture
1) Clamping of pipe body 1 and air inlet pipe section 2
Fix pipe shaft 1 on welding bench 14 earlier, the bottom of pipe shaft 1 is supported with second support frame 16 through bottom bracket 15 on welding bench 14, and the top on welding bench 14 compresses tightly the top that frame 17 supported pipe shaft 1, thereby fix pipe shaft 1 on welding bench 14, make the position of pipe shaft 1 one end be higher than the position of the pipe shaft 1 other end simultaneously, place intake pipe section 2 on first support frame 18 on welding bench 14 again, first support frame 18 chucking intake pipe section 2, make the intake pipe section fix on welding bench 14.
2) Clamping of fixing seat 6
Firstly, a through hole 8 on one side of a fixed seat 6 is aligned to a centering rod 19 on one side of a clamping table 59, then the through hole 8 is inserted into the centering rod 19, a first pushing cylinder 20 is driven to operate, the first pushing cylinder 20 pushes out a pushing block 21, the pushing block 21 abuts against one side, close to the clamping table 59, of the fixed seat 6, then second pushing cylinders 22 located at the upper end and the lower end of the clamping table 59 operate, the second pushing cylinders 22 retract a pressing block 23, the pressing block 23 abuts against the other side of the fixed seat 6, and the fixed seat 6 is fixed on one side of the clamping table 59 through the pressing block 23 and the pushing block 21.
c. Welding of
1) Welding of pipe body 1 and air inlet pipe section 2
The first support frame 18 is driven to drive the air inlet pipe section 2 to approach the pipe body 1, the first support frame 18 simultaneously drives the first welding assembly 29 to move, the first welding assembly 29 comprises a first fixing ring 24, a first rotating ring 25, a first welding gun 26 and a first screw rod 27, the first support frame 18 is fixedly connected with a welding installation seat 28, the first fixing ring 24 is fixedly connected on the welding installation seat 28, the first rotating ring 25 is rotatably connected in the first fixing ring 24, a first central hole is formed in the center of the first rotating ring 25, a first rotating tooth part 30 is arranged in the first central hole, the air inlet pipe section 2 is positioned in the center of the first central hole, a first driving gear 31 is meshed with the first rotating tooth part 30, the first support frame 18 is further fixedly connected with a first motor installation seat 32, the first motor installation seat 32 is provided with a first rotating motor 33, the first driving gear 31 is arranged at the end part of the first rotating motor 33, first welder 26 and first lead screw 27 of sending pass through first fixed block fixed connection on first rotating ring 25, when the pipe shaft 1 is hugged closely to the pipe section 2 that admits air, first rotation motor 33 drive first driving gear 31 rotates, first driving gear 31 drives first transmission tooth portion 30 and rotates, thereby drive first rotating ring 25 and rotate in first solid fixed ring 24, thereby control first welder 26 and first lead screw 27 of sending follow first rotating ring 25 and rotate and weld the pipe section 2 of admitting air and the laminating department of pipe shaft 1.
2) Welding of snap ring 10
Firstly, the first sliding groove 12 in the adjusting cavity 7 is matched with the sliding block 11 at one end of the adjusting pipe section 9, one end of the adjusting pipe section 9 is installed in the adjusting cavity 7, the adjusting pipe section 9 is connected in the adjusting cavity 7 in a sliding mode, then the second sliding groove 13 of the pipe body 1 is matched with the sliding block 11 at the other end of the adjusting pipe section 9, the other end of the adjusting pipe section 9 is installed in the pipe body 1, the length of the adjusting pipe section 9 inserted into the pipe body 1 is set according to the number of required silencing holes 5, the clamping ring 10 is moved after adjustment is completed, the clamping ring 10 is clamped at the joint of the pipe body 1 and the adjusting pipe section 9, the second welding assembly 34 is arranged at the joint of the clamping ring 10 and the pipe body 1, and the joint of the clamping ring 10 and the adjusting pipe section 9 is welded.
3) Welding of adjusting cavity 7 and fixing seat 6
The adjusting cavity 7 is moved, so that one end of the adjusting cavity 7 is tightly attached to the fixing seat 6, the joint of the other end of the adjusting cavity 7 and the adjusting pipe section 9 is welded by the second welding assembly 34, and the joint of the one end of the adjusting cavity 7 and the fixing seat 6 is welded after the welding is completed.
d. Connecting pipe for taking down silencer
Firstly, the second pushing cylinders 22 at the upper end and the lower end of the clamping table 59 run, the second pushing cylinders 22 extend out of the pressing block 23, then the pressing block 23 is rotated, the fixing seat 6 is loosened, then the top pressing frame 17 is adjusted to move upwards, the bottom bracket 15 is moved away from the bottom of the pipe body 1, and therefore the silencer connecting pipe is separated from the welding table 14, and installation is completed.
The first support frame 18, the second support frame 16 and the bottom bracket 15 are specifically arranged as follows: a U-shaped supporting block 35 and a supporting adjusting block 36 are fixedly connected to the welding table 14, one side of the supporting adjusting block 36 is fixedly connected to the U-shaped supporting block 35, an adjusting plate 37 is fixedly connected to the top of the U-shaped supporting block 35, third sliding grooves 38 are formed in two sides of the adjusting plate 37, a first sliding block 39 is arranged at the bottom of the first supporting frame 18, the first sliding block 39 is slidably connected to the third sliding grooves 38 of the adjusting plate 37, the first supporting frame 18 is slidably connected to one end of the adjusting plate 37, the second supporting frame 16 is fixedly connected to the other end of the adjusting plate 37, an adjusting hole 40 is formed in the supporting adjusting block 36, a threaded rod 41 is fixedly connected to the adjusting hole 40, a second sliding block 42 is arranged at the bottom of the bottom bracket 15, the second sliding block 42 penetrates through the adjusting hole 40, the threaded rod 41 penetrates through the second sliding block 42, nuts are arranged at two ends of the threaded rod 41, the nuts are screwed on two sides of the second sliding block 42, and nuts at two ends of the second sliding block 42 are unscrewed, the second sliding block 42 is driven to slide along the adjusting hole 40, so that the bottom bracket 15 is controlled to slide along the adjusting hole 40, and after the bottom bracket slides to a proper position, nuts are screwed on two sides of the second sliding block 42. Third sliding grooves 38 are formed in two sides of the adjusting plate 37, and a first sliding block 39 is arranged at the bottom of the first support frame 18, so that the first support frame 18 is connected to the adjusting plate 37 in a sliding manner, and the first support frame 18 is driven to drive the air inlet pipe section 2 to move towards one side of the pipe body 1; second support frame 16 plays a supporting role with bottom bracket 15 to the bottom of shaft 1, the stability of shaft 1 has been increased, avoid shaft 1 to produce in the course of working and rock the phenomenon, thereby the machining precision of shaft 1 has been improved, regulation hole 40, the setting of threaded rod 41 and second slider 42, according to the size of shaft 1, bottom bracket 15 can remove along the direction of threaded rod 41 in regulation hole 40, make bottom bracket 15 hug closely in the bottom of shaft 1, bottom bracket 15 has been realized having the controllability.
The top hold-down frame 17 is specifically configured as follows: the top hold-down frame 17 includes briquetting 43, elevating platform 44 and lifter 45, and the elevating platform 44 is equipped with lift adjustment hole 46, and lift adjustment hole 46 is passed to the one end of lifter 45, and briquetting 43 fixed connection is in the bottom of the other end of lifter 45, and briquetting 43 and pipe shaft 1 phase-match, the one end fixedly connected with connecting block 47 of lifter 45, and connecting block 47 are equipped with the tight screw in top, and the tight screw in top is tight on the elevating platform 44. Through unscrewing the tight screw in top to can control lifter 45 and go up and down along lift adjustment hole 46, according to the size of shaft 1, adjust lifter 45, lifter 45 drives briquetting 43 and compresses tightly the top of shaft 1, makes shaft 1 spacing on second support frame 16 and bottom bracket 15.
The second welding assembly 34 comprises a second fixed ring 48, a second rotating ring 49, a second welding gun 50 and a second feed screw 51, a fourth chute 52 is arranged at the top of the welding table 14, a third slider 56 is arranged at the bottom of the second fixed ring 48, the third slider 56 is slidably connected in the fourth chute 52, the second rotating ring 49 is rotatably connected in the second fixed ring 48, a second central hole is arranged at the center of the second rotating ring 49, a second transmission tooth part 54 is arranged in the second central hole, the adjusting cavity 7 is positioned at the center of the second central hole, a second driving gear 55 is meshed with the second transmission tooth part 54, a second motor mounting seat 57 is fixedly connected on the third slider 56, a second rotating motor 58 is arranged on the second motor mounting seat 57, the second driving gear 55 is arranged at the end part of the second rotating motor 58, the second welding gun 50 and the second feed screw 51 are fixedly connected on the second rotating ring 49 through a second fixed block, the second rotating motor 58 drives the driving gear to rotate, and the second driving gear 55 drives the second transmission gear portion 54 to rotate, so as to drive the second rotating ring 49 to rotate in the second fixed ring 48, thereby controlling the second welding gun 50 and the second feed screw 51 to rotate along with the second rotating ring 49 and perform welding. Fourth spout 52 and third slider 56, it can move along fourth spout 52 to have realized that second welding assembly 34, make second welding assembly 34 can be to the laminating department of snap ring 10 and regulation pipeline section 9, the laminating department of shaft 1 and snap ring 10, adjust the laminating department of cavity 7 and regulation pipeline section 9, fixing base 6 welds with the laminating department of adjusting cavity 7, the centre of a circle of second swivel collar 49 sets up with the centre of a circle of fixing base 6 is coaxial simultaneously, the welding precision of second welding assembly 34 has been guaranteed.
The invention welds the air inlet pipe at one end of the pipe body 1, installs the adjusting component 4 between the other end of the pipe body 1 and the fixed pipe section 3, sets the bloop 5 at one end of the pipe body 1 near the fixed pipe section 3, the adjusting component 4 is used to adjust the open and close of the bloop 5, after the adjustment is completed, the adjusting component 4 is welded with the fixed pipe section 3 and the pipe body 1, thereby improving the stability of the silencer, in the production process, the pipe body 1 with the bloop 5 can be produced in batch, when installing the silencer adapter, according to the environment used by the silencer adapter, the number of the bloop 5 closed by the adjusting component 4 is larger than that of the bloop 5 closed by the adjusting component 4 when the side-weighted refrigeration effect is achieved, according to different occasions, the opening and closing of the bloop 5 can be adjusted by the adjusting component, thereby greatly accelerating the production efficiency, the production cost is reduced.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (9)
1. A manufacturing method of an austenitic stainless steel pipe silencer adapter comprises a pipe body, an air inlet pipe section and a fixed pipe section, wherein the pipe body is in an irregular tubular shape, the air inlet pipe section is welded at one end of the pipe body, an adjusting assembly is connected between the fixed pipe section and the other end of the pipe body, silencing holes are uniformly distributed at one end, close to the fixed pipe section, of the pipe body, the adjusting assembly is used for adjusting the opening and closing of the silencing holes, and the adjusting assembly is welded with the pipe body and the fixed pipe section after adjustment is completed; the method is characterized by comprising the following steps:
a. preparation before assembly
Firstly, bending an austenitic stainless steel pipe through a bending device according to the designed shape and size to form an irregular tubular pipe body, and then processing an air inlet pipe section, an adjusting pipe section and an adjusting cavity according to the designed shape and size;
b. clamping fixture
1) Clamping of pipe body and air inlet pipe section
Fixing a pipe body on a welding table, supporting the bottom of the pipe body through a bottom bracket and a second support frame on the welding table, and enabling a top pressing frame on the welding table to abut against the top of the pipe body, so that the pipe body is fixed on the welding table, meanwhile, the position of one end of the pipe body is higher than the position of the other end of the pipe body, then, placing an air inlet pipe section on a first support frame on the welding table, and clamping the air inlet pipe section through the first support frame so that the air inlet pipe section is fixed on the welding table;
2) clamping of fixing seat
Firstly, aligning a through hole on one side of a fixed seat with a centering rod on one side of a clamping table, then inserting the through hole on the centering rod, driving a first pushing cylinder to operate, wherein the first pushing cylinder pushes out a pushing block which abuts against one side of the fixed seat close to the clamping table, then driving second pushing cylinders located at the upper end and the lower end of the clamping table to operate, retracting the pressing block by the second pushing cylinders, so that the pressing block abuts against the other side of the fixed seat, and fixing the fixed seat on one side of the clamping table through the pressing block and the pushing block;
c. welding of
1) Welding of pipe body and air inlet pipe section
The first support frame is driven to drive the air inlet pipe section to approach the pipe body, the first support frame simultaneously drives the first welding assembly to move, the first welding assembly comprises a first fixing ring, a first rotating ring, a first welding gun and a first wire feeding rod, the first support frame is fixedly connected with a welding installation seat, the first fixing ring is fixedly connected onto the welding installation seat, the first rotating ring is rotatably connected into the first fixing ring, a first center hole is formed in the center of the first rotating ring, a first transmission tooth part is arranged in the first center hole, the air inlet pipe section is positioned in the center of the first center hole, a first driving gear is meshed with the first transmission tooth part, the first support frame is further fixedly connected with a first motor installation seat, the first motor installation seat is provided with a first rotating motor, the first driving gear is arranged at the end part of the first rotating motor, the first welding gun and the first wire feeding rod are fixedly connected onto the first rotating ring through the first fixing block, when the air inlet pipe section is tightly attached to the pipe body, the first rotating motor drives the first driving gear to rotate, the first driving gear drives the first driving gear to rotate, so that the first rotating ring is driven to rotate in the first fixing ring, the first welding gun and the first wire feeding rod are controlled to rotate along with the first rotating ring, and the joint of the air inlet pipe section and the pipe body is welded;
2) welding of snap rings
Firstly, installing one end of an adjusting pipe section into the adjusting cavity through matching of a first chute in the adjusting cavity and a sliding block at one end of the adjusting pipe section, enabling the adjusting pipe section to be connected into the adjusting cavity in a sliding mode, then installing the other end of the adjusting pipe section into a pipe body through matching of a second chute of the pipe body and the sliding block at the other end of the adjusting pipe section, setting the length of the adjusting pipe section inserted into the pipe body according to the number of required bloop, moving a clamping ring after adjustment is completed, enabling the clamping ring to be clamped at the joint of the pipe body and the adjusting pipe section, and welding second welding components at the joint of the clamping ring and the pipe body and the joint of the clamping ring and the adjusting pipe section;
3) welding of adjusting cavity and fixing seat
The adjusting cavity is moved, one end of the adjusting cavity is enabled to be tightly attached to the fixing seat, the second welding assembly firstly welds the joint of the other end of the adjusting cavity and the adjusting pipe section, and then welds the joint of one end of the adjusting cavity and the fixing seat;
d. connecting pipe for taking down silencer
The second top that presss from both sides tight platform at first pushes away the cylinder operation, and the second top pushes away the cylinder and stretches out the compact heap, then rotates the compact heap for the fixing base loosens, then adjusts the top and compresses tightly the frame and move up, and the bottom bracket is putd aside from the bottom of pipe shaft, thereby makes the muffler takeover break away from with the welding bench, thereby accomplishes the installation.
2. The method of claim 1, wherein the step of manufacturing the austenitic stainless steel pipe silencer adapter pipe comprises the steps of: the diameter of the air inlet pipe section is smaller than that of the pipe body, and the air inlet pipe section is connected with the pipe body in a welding mode.
3. The method of claim 1, wherein the step of manufacturing the austenitic stainless steel pipe silencer adapter pipe comprises the steps of: the fixed pipe section comprises a fixed seat and an adjusting cavity, the fixed seat is connected with the adjusting cavity in a welding mode, one end of the adjusting assembly is movably connected into the adjusting cavity, and the adjusting assembly is welded with the adjusting cavity after adjustment is completed.
4. The method for manufacturing an austenitic stainless steel pipe silencer adapter according to claim 3, wherein: the fixing seat is internally provided with a through hole which is communicated with the adjusting cavity.
5. The method for manufacturing an austenitic stainless steel pipe silencer adapter according to claim 4, wherein: the adjusting component comprises an adjusting pipe section and a clamping ring, one end of the adjusting pipe section is movably connected into the adjusting cavity, the other end of the adjusting pipe section is movably connected to the other end of the pipe body, the clamping ring is tightly attached to the other end of the pipe body, the adjusting pipe section is used for adjusting opening and closing of the bloop, after adjustment is completed, one end of the adjusting pipe section is welded with the adjusting cavity, the clamping ring is close to one end of the pipe body and welded with the pipe body, and the other end of the clamping ring is welded with the adjusting pipe section.
6. The method for manufacturing an austenitic stainless steel pipe silencer adapter according to claim 5, wherein: the two ends of the adjusting pipe section are respectively provided with a sliding block, a first sliding groove is formed in the adjusting cavity, a second sliding groove is formed in the other end of the pipe body, and the sliding blocks are respectively connected in the first sliding groove and the second sliding groove in a sliding mode.
7. The method of claim 1, wherein the step of manufacturing the austenitic stainless steel pipe silencer adapter pipe comprises the steps of: the first support frame, the second support frame and the bottom bracket are specifically arranged: a U-shaped supporting block and a supporting adjusting block are fixedly connected to the welding table, one side of the supporting adjusting block is fixedly connected with the U-shaped supporting block, an adjusting plate is fixedly connected to the top of the U-shaped supporting block, third chutes are formed in two sides of the adjusting plate, a first sliding block is arranged at the bottom of the first supporting block and is slidably connected in the third chute of the adjusting plate, the first supporting block is slidably connected to one end of the adjusting plate, a second supporting block is fixedly connected to the other end of the adjusting plate, an adjusting hole is formed in the supporting adjusting block, a threaded rod is fixedly connected in the adjusting hole, a second sliding block is arranged at the bottom of the bottom bracket and penetrates through the adjusting hole, the threaded rod penetrates through the second sliding block, nuts are arranged at two ends of the threaded rod and are screwed on two sides of the second sliding block, the nuts at two ends of the second sliding block are unscrewed, the second sliding block is driven to slide along the adjusting hole, so that the bottom bracket is controlled to slide along the adjusting hole, after the second sliding block slides to a proper position, the nuts are screwed down and then the two sides of the second sliding block are screwed.
8. The method of claim 1, wherein the step of manufacturing the austenitic stainless steel pipe silencer adapter pipe comprises the steps of: the top compresses tightly the concrete setting of frame and is: the top hold-down frame includes briquetting, elevating platform and lifter, and the elevating platform is equipped with lift adjustment hole, and the lift adjustment hole is passed to the one end of lifter, and briquetting fixed connection is in the bottom of the other end of lifter, briquetting and pipe shaft phase-match, the one end fixedly connected with connecting block of lifter, and the connecting block is equipped with the tight screw in top, and the tight screw in top is tight on the elevating platform.
9. The method of claim 1, wherein the step of manufacturing the austenitic stainless steel pipe silencer adapter pipe comprises the steps of: the second welding assembly comprises a second fixing ring, a second rotating ring, a second welding gun and a second lead screw, a fourth chute is arranged at the top of the welding table, a third slide block is arranged at the bottom of the second fixing ring and is connected in the fourth chute in a sliding manner, the second rotating ring is connected in the second fixing ring in a rotating manner, a second central hole is formed in the center of the second rotating ring, a second transmission tooth part is arranged in the second central hole, the adjusting cavity is positioned at the center of the second central hole, a second driving gear is meshed with the second transmission tooth part, a second motor mounting seat is fixedly connected to the third slide block and is provided with a second rotating motor, the second driving gear is arranged at the end part of the second rotating motor, the second welding gun and the second lead screw are fixedly connected to the second rotating ring through a second fixing block, the second rotating motor drives the driving gear to rotate, and the second driving gear drives the second transmission tooth part to rotate, thereby drive the second rotating ring and rotate in the second fixed ring to control second welder and second send a pole to follow the rotation of second rotating ring and weld.
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| JPH09287600A (en) * | 1996-04-24 | 1997-11-04 | Kioritz Corp | Blower pipe having silencer |
| CN101016853A (en) * | 2006-02-07 | 2007-08-15 | Lg电子株式会社 | Silencer |
| CN201666173U (en) * | 2010-04-20 | 2010-12-08 | 重庆大学 | Exhaust muffler capable of adjusting flow area automatically |
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