CN110919227B - Full-automatic spot welding mechanism - Google Patents
Full-automatic spot welding mechanism Download PDFInfo
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- CN110919227B CN110919227B CN201911376622.3A CN201911376622A CN110919227B CN 110919227 B CN110919227 B CN 110919227B CN 201911376622 A CN201911376622 A CN 201911376622A CN 110919227 B CN110919227 B CN 110919227B
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- lock head
- circular ring
- workpiece
- spot welding
- round tube
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- 238000003466 welding Methods 0.000 title claims abstract description 95
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
Classifications
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a full-automatic spot welding mechanism, which is used for centering and positioning a circular tube workpiece spot welding station carrier seat and a circular ring positioning device for fixing a circular ring workpiece, wherein the circular ring positioning device is fixedly arranged on a frame, two lock head positioning devices for positioning lock head workpieces can be axially and slidably arranged on two sides of the spot welding station carrier seat along the circular tube workpiece, a welding gun can be arranged on the frame in a moving way towards the circular tube workpiece on the spot welding station carrier seat, a welding gun feeding mechanism drives the welding gun to move, each welding gun can respectively spot weld joints of the circular tube workpiece and the lock head workpiece and joints of the circular tube workpiece and the circular ring workpiece, a first material sensing device can sense the circular tube workpiece on the spot welding station carrier seat and transmit signals to a control system, and the control system controls the spot welding station carrier seat, the lock head positioning device, the lock head driving device, the circular ring positioning device, a wire feeder, the welding gun feeding mechanism and the welding gun to move.
Description
Technical Field
The invention relates to automatic equipment, in particular to a full-automatic spot welding mechanism.
Background
The long bolt for locking the door on the container is formed by welding tapered ends at two ends of a large-sized long round pipe workpiece, a plurality of rings are welded on the long round pipe workpiece at intervals for positioning, the length of the workpiece is long, the whole weight is large, manual welding is finished at present, labor is consumed, welding is inconvenient, welding efficiency is low, welding failure is easy to occur, welding precision is low, and welding cost is high.
Disclosure of Invention
In order to overcome the defects, the invention provides the full-automatic spot welding mechanism which is simple in structure, high in welding efficiency, high in welding precision, labor-saving and greatly reduced in welding cost, and can automatically assemble and weld long round pipe workpieces.
The invention adopts the technical scheme for solving the technical problems: the utility model provides a full-automatic spot welding mechanism, includes frame, spot welding station carrier, tapered end positioner, tapered end drive arrangement, ring positioner, wire feeder, welder feed mechanism, first material induction system and control system, spot welding station carrier fixed mounting is in the frame, spot welding station carrier can the centering location pipe work piece, ring positioner installs in the frame, ring work piece outside the circumference of pipe work piece can be fixed positioning sleeve locates to ring positioner, two tapered end positioner can follow the axial gliding installation in spot welding station carrier both sides of pipe work piece, tapered end positioner can the fixed positioning work piece, the welding gun is supplied with the welding wire to the wire feeder, a plurality of welder can be towards the installation in the frame of pipe work piece orientation motion on the spot welding station carrier, welder feed mechanism drives welder motion, each welder can be to the pipe work piece with the seam of tapered end work piece and pipe work piece and ring work piece spot welding respectively, first material induction system can respond to the pipe work piece on the spot welding station carrier and signal in control system, control system controls spot welding station carrier, positioner, the positioner, ring drive arrangement, wire feeder and welder feed mechanism.
The round tube workpiece feeding device is further improved, the round tube workpiece feeding device comprises an inclined slide rail, a round tube jacking mechanism, a round tube jacking driving device, a round tube carrying module and a second material sensing device, wherein the inclined slide rail is fixedly arranged on the frame, one end of the inclined slide rail is higher than the other end of the inclined slide rail, the round tube jacking mechanism can be installed on the frame in a lifting mode, an opening clamping groove is formed in the round tube jacking mechanism, one side wall of the opening clamping groove can be just aligned and connected with the other end of the inclined slide rail, a round tube can be stopped and accommodated in the opening clamping groove, the side wall of the round tube jacking mechanism, which is abutted with the other end of the inclined slide rail, can stop the surface of the round tube workpiece on the other end of the inclined slide rail, the round tube jacking mechanism can drive the round tube jacking mechanism to move up and down, the round tube carrying module can carry the round tube workpiece in the opening clamping groove of the round tube jacking mechanism to a spot welding station carrier seat for positioning, and the second material sensing device can sense the round tube workpiece in the opening clamping groove of the round tube jacking mechanism and transmit signals to the control system, and the control system controls the round tube jacking driving device and the round tube carrying module to act.
As a further improvement of the invention, the upper opening clamping groove of the round tube jacking mechanism comprises an inclined supporting block and a vertical stop block, wherein the inclined supporting block is in a right triangle shape, the upper side surface of one end with the high height of the inclined supporting block can be aligned and connected with the inclined slideway, the side wall of the inclined supporting block on the vertical surface can be just stopped on a round tube workpiece at the other end of the inclined slideway, the vertical stop block is fixedly positioned at one end with the low height of the inclined supporting block, and an acute angle is formed between the vertical stop block and the upper side surface of the inclined supporting block.
As a further improvement of the invention, two centering push blocks and two centering driving devices are also arranged, the two centering push blocks can be arranged on the frame in a relative motion manner, the two centering push blocks can just tightly abut against the end surfaces of the two ends of the inner circular pipe workpiece in the opening clamping groove on the circular pipe jacking mechanism, the two centering driving devices respectively drive the centering push blocks to move, and the control system controls the two centering driving devices to move.
As a further improvement of the invention, the round tube carrying module comprises a horizontal feed slide block, a vertical lifting slide block, a horizontal feed driving device, a vertical lifting driving device and a round tube supporting frame, wherein the horizontal feed slide block can be installed on a frame in a reciprocating sliding manner on a horizontal plane, the vertical lifting slide block can be installed on the horizontal feed slide block in a longitudinal lifting manner, the round tube supporting frame is fixedly installed on the vertical lifting slide block, a V-shaped groove is arranged on the upper side surface of the round tube supporting frame and can be alternately opposite to an opening clamping groove and a lock head positioning device of a round tube jacking mechanism, the horizontal feed driving device and the vertical lifting driving device respectively drive the horizontal feed slide block and the vertical lifting slide block to move, and a control system controls the horizontal feed driving device and the vertical lifting driving device to act.
The invention is further improved, and the lock workpiece feeding device is further provided with a lock workpiece feeding device and comprises a lock conveying line, a lock conveying module and a lock in-place sensing device, wherein the lock conveying line can continuously convey the lock workpiece forwards, the lock in-place sensing device can sense the lock workpiece conveyed to the designated position and transmit signals to the control system, and the lock conveying module can convey the lock workpiece at the designated position to the lock positioning device.
As a further improvement of the invention, the lock head conveying line comprises a conveying belt, lock head carrying seats and a stop lever, wherein the lock head carrying seats are fixedly arranged on the conveying belt at intervals, the lock head carrying seats are provided with placing grooves matched with the shapes of the lock heads, the lock heads can be placed in the placing grooves of the lock head carrying seats in a stopping manner, the stop lever is fixedly arranged on the frame, and the stop lever is stopped on the side wall of the lock head carrying seats, which is positioned at the front part of the lock head along the conveying direction.
As a further improvement of the invention, the lock head carrying module comprises lock head clamping jaws, lock head clamping jaw seats, carrying sliding rails, lock head carrying driving devices, lock head lifting sliding blocks, lock head lifting driving devices and clamping driving devices, wherein the lock head clamping jaws are arranged on the lock head clamping jaw seats, the lock head clamping jaws can clamp and unclamp a lock head, the lock head clamping jaw seats can be longitudinally lifted and arranged on the lock head lifting sliding blocks, the lock head lifting driving devices drive the lock head clamping jaw seats to longitudinally lift and move, the lock head lifting sliding blocks can be slidably arranged on the carrying sliding rails, the lock head carrying driving devices drive the lock head lifting sliding blocks to horizontally slide, the carrying sliding rails are fixedly arranged on the frame, two ends of the carrying sliding rails are respectively positioned right above designated positions of two lock head conveying lines, the lock head positioning devices are right below the carrying sliding rails, the lock head clamping jaws can be opposite to the designated positions of the lock head conveying lines, and the control system controls the lock head carrying driving devices and the clamping driving devices to start and stop.
As a further improvement of the invention, the circular ring positioning device comprises a circular ring base, a circular ring clamping piece, a circular ring poking piece, a circular ring clamping driving device and a circular ring poking device, wherein the circular ring base is fixedly arranged on the frame, grooves coaxial with the circular pipe workpieces on the spot welding station carrying seat are respectively arranged on the circular ring clamping piece and the circular ring poking piece, the circular pipe workpieces on the spot welding station carrying seat can be just contained in the grooves of the circular ring clamping piece and the circular ring poking piece, the circular ring clamping piece and the circular ring poking piece are respectively positioned at two axial sides of the circular ring workpiece sleeved on the outer side of the circular pipe workpiece, the circular ring clamping piece and the circular ring poking piece can be arranged on the circular ring base in a relative motion along the axial direction of the circular pipe workpiece, the circular ring clamping driving device and the circular ring poking piece are respectively driven to move, and the control system controls the circular ring clamping driving device and the circular ring poking device to act.
As a further improvement of the invention, a blanking buffer line is also arranged, the blanking buffer line is fixedly arranged on the frame, the blanking buffer line comprises a blanking slideway with one end higher than the other end and a vertical stop wall, the vertical stop wall is fixedly arranged at one end with low height of the blanking slideway, and the height of the vertical stop wall is higher than the other end of the blanking slideway.
The beneficial effects of the invention are as follows: according to the invention, feeding is automatically realized through the inclined slideway, the circular tube workpiece sleeved with the circular ring workpiece in advance is conveyed to the spot welding station carrier seat to be positioned by the circular tube conveying module, the circular ring workpiece is clamped and positioned, the tapered end workpiece is fixedly positioned by the tapered end positioning device and fed to be inserted into two ends of the circular tube workpiece after being automatically fed, automatic assembly is realized, and finally, a plurality of welding guns synchronously spot-weld a plurality of positions on the workpiece, so that the spot welding efficiency is extremely high, manual spot welding is not needed, the spot welding precision is high, the manual work is saved, the welding cost of the container door bolt workpiece is greatly reduced, and the welding precision is improved.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of portion C of FIG. 1;
FIG. 5 is an enlarged view of portion D of FIG. 1;
FIG. 6 is a second perspective view of the present invention;
FIG. 7 is a third perspective view of the present invention;
FIG. 8 is a front view of the present invention;
FIG. 9 is a top view of the present invention;
Fig. 10 is a right side view of the present invention.
Detailed Description
Examples: the utility model provides a full-automatic spot welding mechanism, including frame 1, spot welding station carrier 2, tapered end positioner 3, tapered end drive arrangement 4, ring positioner, send silk machine 5, welder 6, welder feed mechanism, first have material induction system and control system, spot welding station carrier 2 fixed mounting is on frame 1, spot welding station carrier 2 can centering location pipe work piece 7, ring positioner installs on frame 1, ring positioner can fix the circular ring work piece 8 of locating the cover outside the circumference of pipe work piece 7, two tapered end positioners 3 can follow the axial slip of pipe work piece 7 and install in spot welding station carrier 2 both sides, tapered end positioner 3 can fix location tapered end work piece 9, send silk machine 5 can supply the welding wire for welder 6, a plurality of welder 6 can be towards the installation in frame 1 that spot welding station carrier last pipe work piece direction moved, welder feed mechanism drives welder 6 and moves, each welder 6 can carry out spot welding to the seam of pipe work piece 7 and tapered end work piece 9 and the seam of pipe work piece 7 and ring work piece 8 respectively, first have material induction system can be fixed location cover to locate in spot welding station carrier 2, welder feed mechanism 4 control system, tapered end drive welder feed mechanism 4, tapered end positioner 3 is located to the tapered end work piece 8. Before spot welding, the circular ring workpiece 8 is sleeved on the outer side of the circular tube workpiece 7 in advance manually, then the circular tube workpiece 7 is placed on the spot welding station carrying seat 2 for centering and positioning, the spot welding station carrying seat 2 can axially position the circular ring workpiece 8 sleeved on the circular tube workpiece 7 in advance through a circular arc groove structure or a V-shaped groove structure matched with the shape of the circular tube workpiece 7, then the circular ring positioning device is used for fixedly positioning the tapered end workpiece 9 on the tapered end positioning device 3 for positioning, the tapered end positioning device 3 can be formed by a positioning groove matched with the shape of the tapered end and a clamping block capable of clamping the tapered end, the clamping block can drive the tapered end workpiece 9 to slide through a cylinder, then the tapered end driving device 4 drives the tapered end positioning device 3 to axially move along the circular tube workpiece 7 so that the tapered ends of the circular tube workpiece 7 are inserted, after the circular ring workpiece 8 and the tapered end workpiece 9 are positioned with the circular tube workpiece 7, spot welding is started by each welding gun 6, and the joint part of the circular ring workpiece 8 and the circular tube workpiece 7 and the tapered end workpiece 9 are subjected to spot welding.
The feeding device for the round pipe workpieces 7 is further provided with the inclined slide 10, the round pipe jacking mechanism 11, the round pipe jacking driving device, the round pipe carrying module and the second material sensing device 12, the inclined slide 10 is fixedly arranged on the frame 1, one end of the inclined slide 10 is higher than the other end of the inclined slide, the round pipe jacking mechanism 11 can be installed on the frame 1 in a lifting mode, an opening clamping groove is formed in the round pipe jacking mechanism 11, one side wall of the opening clamping groove can be just aligned and connected with the other end of the inclined slide 10, the round pipe can be stopped and accommodated in the opening clamping groove, the round pipe jacking mechanism 11 and the side wall of the inclined slide 10 in butt joint can stop the surface of the round pipe workpieces 7 on the other end of the inclined slide 10, the round pipe jacking mechanism 11 can drive the round pipe jacking mechanism 11 to move in a lifting mode, the round pipe carrying module can carry the round pipe workpieces 7 in the opening clamping groove of the round pipe jacking mechanism 11 to the spot welding station carrier 2 to be positioned, and the second material sensing device 12 can sense the opening clamping groove round pipe workpieces 7 in the round pipe jacking mechanism 11 and transmit signals to the round pipe workpieces 7 to the control system, and the control system controls the lifting device and the pipe jacking driving device to move. After the round pipe workpiece 7 is sleeved with the round pipe workpiece 8 manually, the round pipe workpiece 7 is placed on the inclined slide way 10, the round pipe workpiece 7 rolls to the other end of the inclined slide way 10 along the inclined slide way 10, at the moment, an opening clamping groove on the round pipe jacking mechanism 11 is in an aligned state with the other end of the inclined slide way, the round pipe workpiece 7 rolls into the opening clamping groove on the round pipe jacking mechanism 11 to be positioned, the first material sensing Zhang Zhi senses that a round pipe enters the opening clamping groove on the jacking mechanism, the round pipe jacking mechanism 11 ascends to separate the round pipe workpiece 7 from other round pipe workpieces 7, the round pipe carrying module carries the single round pipe workpiece 7 separated from the round pipe jacking mechanism 11 to be positioned on the spot welding station carrier 2, the inclined slide way 10 can be two groups which are axially arranged in parallel along the round pipe workpiece 7, the two groups can relatively slide on the frame 1, the distance between the two groups can be adjusted through the adjusting device 32, the round pipe workpiece 7 with different lengths can be conveyed and positioned, the round pipe workpiece 7 matched with the round pipe workpiece 7 which is sleeved in advance on the inclined slide way 10 can be arranged, the preliminary limiting and avoiding of the round pipe workpiece 7 can be realized, the automatic feeding efficiency of the round pipe workpiece 7 is realized, and the feeding efficiency is high.
The upper opening clamping groove of the round tube jacking mechanism 11 comprises an inclined supporting block and a vertical stop block, wherein the inclined supporting block is in a right triangle shape, the upper side surface of one end of the inclined supporting block, which is high, can be aligned and connected with the inclined slide way 10, the side wall of the inclined supporting block on the vertical surface can be just stopped at the round tube workpiece 7 at the other end of the inclined slide way 10, the vertical stop block is fixedly positioned at one end of the inclined supporting block, which is low, and an acute angle is formed between the vertical stop block and the upper side surface of the inclined supporting block. The round tube is positioned between the inclined holding block and the vertical stop block, and after the round tube jacking mechanism 11 ascends, the vertical surface of the inclined holding block just blocks the other end of the inclined slideway 10, so that other round tube workpieces 7 on the inclined holding block are blocked and cannot roll forwards continuously.
The two centering pushing blocks 13 and two centering driving devices are further arranged, the two centering pushing blocks 13 can be installed on the frame 1 in a relative motion mode, the two centering pushing blocks 13 can tightly abut against the end faces of the two ends of the inner circular pipe workpiece 7 of the opening clamping groove on the circular pipe jacking mechanism 11, the two centering driving devices respectively drive the centering pushing blocks 13 to move, and the control system controls the two centering driving devices to move. The round tube workpiece 7 is pushed by the opposite movement of the two centering pushing blocks 13, so that the axial centering and positioning of the round tube workpiece 7 are realized.
The round tube carrying module comprises a horizontal feed slide block 14, a vertical lifting slide block, a horizontal feed driving device 15, a vertical lifting driving device 16 and a round tube supporting frame 17, wherein the horizontal feed slide block 14 can be installed on the frame 1 in a reciprocating sliding manner on a horizontal plane, the vertical lifting slide block can be installed on the horizontal feed slide block 14 in a longitudinal lifting manner, the round tube supporting frame 17 is fixedly installed on the vertical lifting slide block, a V-shaped groove is formed in the upper side surface of the round tube supporting frame 17, the V-shaped groove can be alternately opposite to an opening clamping groove of the round tube jacking mechanism 11 and the lock positioning device 3, the horizontal feed driving device 15 and the vertical lifting driving device 16 respectively drive the horizontal feed slide block 14 and the vertical lifting slide block to move, and the control system controls the horizontal feed driving device 15 and the vertical lifting driving device 16 to act. The round tube supporting frame 17 ascends, the V-shaped groove on the round tube supporting frame supports the round tube workpiece 7, then the round tube supporting frame 17 moves horizontally to enable the round tube to reach the position right above the spot welding station carrying seat 2, then the round tube supporting frame 17 descends to put down the round tube workpiece 7 to be positioned on the spot welding station carrying seat 2, the carrying module is simple in structure and high in carrying speed, and in addition, the carrying module can be realized by a mechanical hand grabbing carrying mechanism.
The feeding device for the tapered end workpieces 9 is further arranged and comprises a tapered end conveying line, a tapered end conveying module and a tapered end in-place sensing device 18, wherein the tapered end conveying line can continuously convey tapered end workpieces 9 forwards, the tapered end in-place sensing device 18 can sense tapered end workpieces 9 conveyed to a specified position and transmit signals to a control system, and the tapered end conveying module can convey tapered end workpieces 9 at the specified position to the tapered end positioning device 3. Automatic conveying of the tapered end workpieces 9 is achieved through the tapered end conveying line, manual conveying is avoided, feeding efficiency is high, and labor is saved.
The lock conveying line comprises a conveying belt 19, lock carrying seats 20 and a stop lever 21, wherein the lock carrying seats 20 are fixedly arranged on the conveying belt 19 at intervals, a placing groove matched with the shape of a lock is formed in the lock carrying seats 20, the lock can be placed in the placing groove of the lock carrying seats 20 in a stopping mode, the stop lever is fixedly arranged on the frame 1, and the stop lever stops on the side wall, along the conveying direction, of the lock on the lock carrying seats 20. The lock head carrying seat 20 is used for realizing positioning and conveying of the lock head workpiece 9, so that the lock head carrying module can conveniently grasp and carry the lock head workpiece 9, and when the lock head workpiece 9 moves to the tail end of the conveying belt 19, a baffle rod props against the lock head workpiece 9 to prevent the lock head workpiece 9 from continuously moving forwards, and the lock head carrying module is waited for carrying the lock head workpiece 9.
The lock head carrying module comprises lock head clamping jaws 22, lock head clamping jaw seats 23, carrying sliding rails 24, lock head carrying driving devices 25, lock head lifting sliding blocks 26, lock head lifting driving devices 27 and clamping driving devices 28, wherein the lock head clamping jaws 22 are arranged on the lock head clamping jaw seats 23, the lock head clamping jaws 22 can clamp and unclamp a lock head, the lock head clamping jaw seats 23 can longitudinally lift and lower on the lock head lifting sliding blocks 26, the lock head lifting driving devices 27 drive the lock head clamping jaw seats 23 to longitudinally lift and move, the lock head lifting sliding blocks 26 can be slidably arranged on the carrying sliding rails 24, the lock head carrying driving devices 25 drive the lock head lifting sliding blocks 26 to horizontally slide, the carrying sliding rails 24 are fixedly arranged on the frame 1, two ends of the carrying sliding rails 24 are respectively located right above two lock head conveying line designated positions, the lock head positioning devices 3 are located right below the carrying sliding rails 24, the lock head clamping jaws 22 can face the lock head conveying line designated positions and the lock head positioning devices 3, and the control system controls the lock head carrying driving devices 25 and the clamping driving devices 28 to start and stop. The lock is clamped by the lock clamping jaw 22, then the lock clamping jaw seat 23 ascends and axially slides along the circular tube workpiece 7 along with the lock lifting slide block 26, so that the lock workpiece 9 reaches right above the lock positioning device 3, the lock clamping jaw seat 23 descends to place the lock workpiece 9 on the lock positioning device 3, the lock clamping jaw 22 loosens the lock workpiece 9, the lock positioning device 3 clamps and positions the lock workpiece 9, the mechanism tries to automatically carry and position the lock, and the mechanism has simple structure and can also be carried in an industrial robot arm carrying mode.
The circular ring positioning device comprises a circular ring base, a circular ring clamping piece 29, a circular ring poking piece 30, a circular ring clamping driving device 28 and a circular ring poking device, wherein the circular ring base is fixedly arranged on the frame 1, grooves coaxial with the circular pipe workpiece 7 on the spot welding station carrying seat 2 are respectively formed in the circular ring clamping piece 29 and the circular ring poking piece 30, the circular pipe workpiece 7 on the spot welding station carrying seat 2 can be just contained in the grooves of the circular ring clamping piece 29 and the circular ring poking piece 30, the circular ring clamping piece 29 and the circular ring poking piece 30 are respectively positioned on two axial sides of the circular ring workpiece 8 sleeved on the outer side of the circular pipe workpiece 7, the circular ring clamping piece 29 and the circular ring poking piece 30 can be installed on the circular ring base in an axial relative motion along the circular pipe workpiece 7, the circular ring clamping driving device 28 and the circular ring poking device respectively drive the circular ring clamping piece 29 and the circular ring poking piece 30 to move, and the circular ring poking device are controlled by the control system to act. When the round pipe workpiece 7 is placed on the station spot welding carrier, two corresponding round ring workpieces 8 sleeved on the round pipe workpiece 7 in advance are positioned between a round ring poking piece 30 and a round ring clamping piece 29, the round ring poking piece 30 pokes a round ring to a designated position under the driving of the round ring poking device, and then the round ring clamping piece 29 moves under the driving of the round ring clamping driving device 28 to clamp the round ring workpiece 8 together with the round ring poking piece 30, so that the stable positioning of the round ring workpiece 8 is realized.
Still be equipped with unloading buffer memory line 31, unloading buffer memory line 31 fixed mounting is on frame 1, and unloading buffer memory line 31 includes that one end is high to be higher than the high unloading slide of other end and vertical backstop wall, vertical backstop wall fixed mounting is high in the high one end of unloading slide, and vertical backstop wall is high to be higher than the unloading slide other end. The round pipe workpiece 7 subjected to spot welding is transported to the blanking buffer line 31 by the round pipe transporting module for temporary storage so as to be used by the next station.
Claims (6)
1. A full-automatic spot welding mechanism which is characterized in that: the welding machine comprises a frame (1), a spot welding station carrier (2), lock head positioning devices (3), lock head driving devices (4), a circular ring positioning device, a wire feeder (5), welding guns (6), a welding gun feeding mechanism, a first material sensing device and a control system, wherein the spot welding station carrier is fixedly arranged on the frame, the spot welding station carrier can center and position a circular tube workpiece (7), the circular ring positioning device is arranged on the frame, the circular ring positioning device can fixedly position a circular ring workpiece (8) sleeved on the outer side of the circumference of the circular tube workpiece, the two lock head positioning devices can be axially and slidably arranged on two sides of the spot welding station carrier along the circular tube workpiece, the lock head positioning devices can fixedly position lock head workpieces (9), the wire feeder can supply welding wires for welding guns, a plurality of welding guns can move towards the direction of the circular tube workpiece on the spot welding station carrier and are arranged on the frame, the welding gun feeding mechanism drives the welding guns to move, each welding gun can respectively conduct spot welding on joints of the circular tube workpiece and the circular tube workpiece, the first material sensing device can sense the circular tube workpiece on the spot welding station carrier and the control system, the lock head positioning device, the lock head driving device, the lock head feeding mechanism and the wire feeder, and the wire feeder;
The round tube workpiece feeding device is further provided with a round tube workpiece feeding device and comprises an inclined slideway (10), a round tube jacking mechanism (11), a round tube jacking driving device, a round tube carrying module and a second material sensing device (12), wherein the inclined slideway is fixedly arranged on the frame, one end of the inclined slideway is higher than the other end of the inclined slideway, the round tube jacking mechanism can be installed on the frame in a lifting manner, an opening clamping groove is formed in the round tube jacking mechanism, one side wall of the opening clamping groove can be just aligned and connected with the other end of the inclined slideway, a round tube can be stopped and accommodated in the opening clamping groove, the butt-jointed side wall of the round tube jacking mechanism and the other end of the inclined slideway can stop the surface of the round tube workpiece on the other end of the inclined slideway, the round tube jacking mechanism can drive the round tube jacking mechanism to move up and down, the round tube carrying module can carry the round tube workpiece in the opening clamping groove of the round tube jacking mechanism to a spot welding station carrier seat for positioning, and the second material sensing device can sense the round tube workpiece in the opening clamping groove of the jacking mechanism and transmit signals to the control system, and the control system controls the round tube jacking driving device and the round tube carrying module to act;
The device is also provided with a tapered end workpiece feeding device, and comprises a tapered end conveying line, a tapered end conveying module and a tapered end in-place sensing device (18), wherein the tapered end conveying line can continuously convey tapered end workpieces forwards, the tapered end in-place sensing device can sense tapered end workpieces conveyed to a specified position and transmit signals to a control system, and the tapered end conveying module can convey tapered end workpieces at the specified position to a tapered end positioning device;
The lock head conveying line comprises a conveying belt (19), lock head carrying seats (20) and a stop lever (21), wherein the lock head carrying seats are fixedly arranged on the conveying belt at intervals, the lock head carrying seats are provided with placing grooves matched with the shapes of lock heads, the lock heads can be placed in the placing grooves of the lock head carrying seats in a stopping mode, the stop lever is fixedly arranged on the frame, and the stop lever is stopped on the side wall of the lock head carrying seats, which is positioned at the front part of the lock head in the conveying direction;
The lock head carrying module comprises lock head clamping jaws (22), lock head clamping jaw seats (23), carrying sliding rails (24), lock head carrying driving devices (25), lock head lifting sliding blocks (26), lock head lifting driving devices (27) and clamping driving devices (28), wherein the lock head clamping jaws are arranged on the lock head clamping jaw seats, the lock head clamping jaws can clamp and loosen a lock head, the lock head clamping jaw seats can longitudinally lift and fall on the lock head lifting sliding blocks, the lock head lifting driving devices drive the lock head clamping jaw seats to longitudinally lift and move, the lock head lifting sliding blocks can be slidably arranged on the carrying sliding rails, the lock head carrying driving devices drive the lock head lifting sliding blocks to horizontally slide, the carrying sliding rails are fixedly arranged on the frame, two ends of the carrying sliding rails are respectively located right above designated positions of two lock head conveying lines, the lock head positioning devices are located right below the carrying sliding rails, the lock head clamping jaws can be right opposite to the designated positions of the lock head conveying lines, and the lock head positioning devices are controlled by a control system to start and stop.
2. The full-automatic spot welding mechanism according to claim 1, wherein: the circular tube jacking mechanism upper opening clamping groove comprises an inclined supporting block and a vertical stop block, wherein the inclined supporting block is in a right triangle shape, the upper side surface of one end of the inclined supporting block, which is high, can be aligned and connected with the inclined slide, the side wall of the inclined supporting block on the vertical surface can just stop a circular tube workpiece at the other end of the inclined slide, the vertical stop block is fixedly positioned at one end of the inclined supporting block, which is low in height, and an acute angle is formed between the vertical stop block and the upper side surface of the inclined supporting block.
3. The full-automatic spot welding mechanism according to claim 1, wherein: the centering device is also provided with two centering push blocks (13) and two centering driving devices, wherein the two centering push blocks can be installed on the frame in a relative motion mode, the two centering push blocks can tightly abut against the end faces of the two ends of the inner circular pipe workpiece of the opening clamping groove on the circular pipe jacking mechanism, the two centering driving devices respectively drive the centering push blocks to move, and the control system controls the two centering driving devices to move.
4. The full-automatic spot welding mechanism according to claim 1, wherein: the round tube carrying module comprises a horizontal feeding slide block (14), a vertical lifting slide block, a horizontal feeding driving device (15), a vertical lifting driving device (16) and a round tube supporting frame (17), wherein the horizontal feeding slide block can be installed on the frame in a reciprocating sliding manner on a horizontal plane, the vertical lifting slide block can be installed on the horizontal feeding slide block in a longitudinal lifting manner, the round tube supporting frame is fixedly installed on the vertical lifting slide block, a V-shaped groove is formed in the upper side surface of the round tube supporting frame, the V-shaped groove can be opposite to an opening clamping groove and a lock positioning device of a round tube jacking mechanism alternately, the horizontal feeding driving device and the vertical lifting driving device respectively drive the horizontal feeding slide block and the vertical lifting slide block to move, and the control system controls the horizontal feeding driving device and the vertical lifting driving device to act.
5. The full-automatic spot welding mechanism according to claim 1, wherein: the circular ring positioning device comprises a circular ring base, a circular ring clamping (29) piece, a circular ring poking piece (30), a circular ring clamping driving device and a circular ring poking device, wherein the circular ring base is fixedly arranged on a frame, grooves coaxial with circular pipe workpieces on a spot welding station carrying seat are respectively formed in the circular ring clamping piece and the circular ring poking piece, the circular pipe workpieces on the spot welding station carrying seat can be just contained in the grooves of the circular ring clamping piece and the circular ring poking piece, the circular ring clamping piece and the circular ring poking piece are respectively located on two axial sides of the circular ring workpiece sleeved on the outer side of the circular pipe workpiece, the circular ring clamping piece and the circular ring poking piece can be installed on the circular ring base in an axial relative motion along the circular pipe workpiece, the circular ring clamping driving device and the circular ring poking device are respectively driven to move, and the control system controls the circular ring clamping driving device and the circular ring poking device to act.
6. The full-automatic spot welding mechanism according to claim 1, wherein: still be equipped with unloading buffer memory line (31), unloading buffer memory line fixed mounting is in the frame, and unloading buffer memory line includes that one end is high to be higher than the high unloading slide of other end and vertical backstop wall, vertical backstop wall fixed mounting is high in the high one end of unloading slide, and vertical backstop wall is high to be higher than the unloading slide other end.
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| CN112743313B (en) * | 2020-12-30 | 2024-09-06 | 昆山诺丹舜蒲胶辊有限公司 | Intelligent hot-charging welding workstation |
| CN114029668B (en) * | 2021-12-22 | 2024-10-18 | 上海晓奥享荣汽车工业装备有限公司 | Full-automatic scaffold cross bar welding special plane |
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| AT409941B (en) * | 2001-03-07 | 2002-12-27 | Evg Entwicklung Verwert Ges | MULTIPLE POINT WELDING MACHINE FOR THE PRODUCTION OF WIRE GRIDS |
| CN103659111B (en) * | 2013-11-26 | 2015-09-16 | 齐齐哈尔轨道交通装备有限责任公司 | Container flat car lock group is to device |
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