CN109621631A - A kind of electric welding fume and dust deodorizing purifier - Google Patents
A kind of electric welding fume and dust deodorizing purifier Download PDFInfo
- Publication number
- CN109621631A CN109621631A CN201811627008.5A CN201811627008A CN109621631A CN 109621631 A CN109621631 A CN 109621631A CN 201811627008 A CN201811627008 A CN 201811627008A CN 109621631 A CN109621631 A CN 109621631A
- Authority
- CN
- China
- Prior art keywords
- electric welding
- process chamber
- bar shaped
- long bolt
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 20
- 230000001877 deodorizing effect Effects 0.000 title claims abstract description 18
- 239000003496 welding fume Substances 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000008520 organization Effects 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 239000003500 flue dust Substances 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000003993 interaction Effects 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 5
- 238000005367 electrostatic precipitation Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention belongs to clarifier technical fields, specifically a kind of electric welding fume and dust deodorizing purifier, including cube case, active carbon filter plate, suction ventilator, carrying cover board, the first process chamber, second processing room, conical filter cloth, annular iron plate, annular magnet, T-type sliding slot, suction nozzle, frame lid, square box, motor, bar shaped box, I-shaped sliding block, soft air-guide pipe and long bolt.The present invention is conducive to the height according to electric welding location point to purification part shift-in row height adjustment, achieve the effect that be located at the top of electric welding location point, convenient for absorbing flue dust taste removal well, realize the function of dedusting taste removal step by step, and convenient for removing cleaning, by driving long bolt to do corresponding rotation with the motor that external power supply and built-in controller are electrically connected according to the height and starting of welding position point, while under the interaction of power, being moved up and down accordingly so that I-shaped sliding block is done on long bolt.
Description
Technical field
The invention belongs to clarifier technical field, specifically a kind of electric welding fume and dust deodorizing purifier.
Background technique
Electric welding is being commonly called as welding rod arc, melts the place that metal parts needs to connect by high arc temperature using welding rod
A kind of welding operation realized, the basic functional principle of electric welding are the commercial power by commonly using 210V voltage or 380V.
In the metal welding for carrying out different height position, the flue dust diffusion for being welded generation easily influences working environment, and cigarette
The smell that dirt distributes is harmful to the human body, and general electric welding carries out in workshop, and welding post is more, to lack for each
Station and the above-mentioned problem is solved according to the welding position dedusting taste removal structure that is adjusted of height.In consideration of it, this hair
It is bright to propose a kind of electric welding fume and dust deodorizing purifier, it has the following characteristics that
(1) a kind of electric welding fume and dust deodorizing purifier provided by the invention is conducive to the height pair according to electric welding location point
Purification part shift-in row height adjustment achievees the effect that be located at the top of electric welding location point, convenient for absorbing flue dust taste removal well, lead to
It crosses and drives long bolt to do according to the motor that the height and starting of welding position point are electrically connected with external power supply and built-in controller
Corresponding rotation, while under the interaction of power, it is moved up and down accordingly so that I-shaped sliding block is done on long bolt.
(2) a kind of electric welding fume and dust deodorizing purifier provided by the invention, realizes the function of dedusting taste removal step by step, increases
Electrostatic precipitation theory structure improves dust removing effects, and convenient for removing cleaning, passes through the suction of starting with external power supply electric connection
Blower achievees the effect that air draught, is conducive to through suction nozzle enter the flue dust that electric welding generates in square box.
Summary of the invention
The object of the invention is that providing a kind of electric welding fume and dust deodorizing purifier to solve the above-mentioned problems, favorably
In the height according to electric welding location point to purification part shift-in row height adjustment, achieve the effect that be located at the top of electric welding location point,
Convenient for absorbing flue dust taste removal well, by according to the height of welding position point and starting and external power supply and built-in controller electricity
Property connection motor drive long bolt to do corresponding rotation, while under the interaction of power, so that I-shaped sliding block is in long bolt
On do and move up and down accordingly, realize the function of dedusting taste removal step by step, increase electrostatic precipitation theory structure, improve dedusting effect
Fruit, and convenient for removing cleaning achievees the effect that air draught by starting the suction ventilator with external power supply electric connection, be conducive to by
The flue dust that electric welding generates enters in square box through suction nozzle.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of electric welding fume and dust deodorizing purifier, including side
Body case, bar shaped box, suction ventilator, processing mechanism and elevating mechanism, cube box top side are vertically installed with bar shaped box,
The first process chamber and second processing room are respectively formed by partition in the middle part of the cube case, the air inlet port of the suction ventilator and the
One inner treatment chamber connection, and suction ventilator be mounted on carrying one middle side part of cover board, the processing mechanism include active carbon filter plate,
Conical filter cloth, annular iron plate and annular magnet, there are five the active carbon filter plate is set, and five active carbons filterings
Plate is equidistantly mounted in the first process chamber, and the annular magnet is mounted on second processing indoor top, and annular magnet passes through ring
Shape iron plate is connect with conical filter cloth, and the cube case surface connection of the annular magnet inner top is equipped with soft air-guide pipe, institute
The alternate installation of conical filter cloth is stated there are two annulus block, two annulus blocks respectively it is alternate be equipped with multiple collection trays and from
Electronic generator, the ion generator and multiple collection trays form an electrostatic precipitation structure, and the elevating mechanism includes that T-type is sliding
Slot, suction nozzle, square box, frame lid, I-shaped sliding block and long bolt, the T-type sliding slot are provided with bar shaped box two sides respectively vertically
On side wall, and it is slidably fitted with the same I-shaped sliding block between two T-type sliding slots, is threadedly coupled in the middle part of the I-shaped sliding block
On long bolt, and long bolt is rotatably installed in bar shaped box, and I-shaped sliding block side passes through link block and square box one
Side side is fixedly connected, and the distribution connection of square box bottom rectangle is equipped with multiple suction nozzles, the frame lid side of being sealingly mounted at
Shape arch port.
Specifically, the bar shaped box top end surface is equipped with motor, and shaft one end of motor is mounted on long bolt one
End.
Specifically, two middle side part of active carbon filter plate is connected by two sides side walls in sliding block and the first process chamber
It connects.
Specifically, first process chamber side side is port organization, and the first process chamber side port sealing is installed
There is carrying cover board.
Specifically, soft air-guide pipe one end connection is mounted on square box side side.
Specifically, first process chamber is connected to by the strip-shaped hole that one middle side part of partition opens up with second processing room, and
Second processing room side sidewall bottom laterally offers bar shaped port, and the bar shaped port is equipped with sealing door-plate, and sealing door
Plate one end is flexibly connected with bar shaped port side.
The beneficial effects of the present invention are:
(1) a kind of electric welding fume and dust deodorizing purifier provided by the invention is conducive to the height pair according to electric welding location point
Purification part shift-in row height adjustment achievees the effect that be located at the top of electric welding location point, convenient for absorbing flue dust taste removal well, lead to
It crosses and drives long bolt to do according to the motor that the height and starting of welding position point are electrically connected with external power supply and built-in controller
Corresponding rotation, while under the interaction of power, it is moved up and down accordingly so that I-shaped sliding block is done on long bolt.
(2) a kind of electric welding fume and dust deodorizing purifier provided by the invention, realizes the function of dedusting taste removal step by step, increases
Electrostatic precipitation theory structure improves dust removing effects, and convenient for removing cleaning, passes through the suction of starting with external power supply electric connection
Blower achievees the effect that air draught, is conducive to through suction nozzle enter the flue dust that electric welding generates in square box.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is the integrally-built top view of the present invention；
Fig. 3 is conical filter cloth schematic diagram of internal structure of the present invention.
In figure: 1, cube case, 2, active carbon filter plate, 3, suction ventilator, 4, carrying cover board, the 5, first process chamber, 6, second
Process chamber, 7, conical filter cloth, 8, annular iron plate, 9, annular magnet, 10, T-type sliding slot, 11, suction nozzle, 12, frame lid, 13,
Square box, 14, motor, 15, bar shaped box, 16, I-shaped sliding block, 17, soft air-guide pipe, 18, long bolt, 19, ion generator,
20, collection tray, 21, annulus block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-3, a kind of electric welding fume and dust deodorizing purifier, including cube case 1, bar shaped box 15, air draught
Machine 3, processing mechanism and elevating mechanism, 1 top side of cube case are vertically installed with bar shaped box 15, in the cube case 1
Portion is respectively formed the first process chamber 5 and second processing room 6, the air inlet port of the suction ventilator 3 and the first process chamber 5 by partition
Inside connection, and suction ventilator 3 is mounted on carrying 4 one middle side part of cover board, the processing mechanism includes active carbon filter plate 2, circular cone
Type filter cloth 7, annular iron plate 8 and annular magnet 9, there are five the active carbon filter plate 2 is set, and five active carbons filterings
Plate 2 is equidistantly mounted in the first process chamber 5, and the annular magnet 9 is mounted on 6 inner top of second processing room, and annular magnet 9 is logical
It crosses annular iron plate 8 to connect with conical filter cloth 7,1 surface of the cube case connection of 9 inner top of annular magnet is equipped with air guide
Hose 17, there are two annulus blocks 21 for the alternate installation of the conical filter cloth 7, and two annulus blocks 21 are alternate respectively to be equipped with
Multiple collection trays 20 and ion generator 19, the ion generator 19 form an electrostatic precipitation knot with multiple collection trays 20
Structure, the elevating mechanism include T-type sliding slot 10, suction nozzle 11, square box 13, frame lid 12, I-shaped sliding block 16 and long bolt 18, institute
It states T-type sliding slot 10 to be provided with respectively on 15 two sides side wall of bar shaped box vertically, and is slidably installed between two T-type sliding slots 10
There is the same I-shaped sliding block 16, be threaded on long bolt 18 in the middle part of the I-shaped sliding block 16, and long bolt 18 is rotatablely installed
In bar shaped box 15,16 side of I-shaped sliding block is fixedly connected by link block with 13 side side of square box, and rectangular
The distribution connection of 13 bottom rectangle of frame is equipped with multiple suction nozzles 11, and the frame lid 12 is sealingly mounted at 13 top port of square box.
15 top end surface of bar shaped box is equipped with motor 14, and shaft one end of motor 14 is mounted on long bolt 18 1
End, convenient for driving long bolt 18 to rotate by the motor 14 of starting operation；2 liang of middle side parts of the active carbon filter plate pass through sliding block
Connect with two sides side walls in the first process chamber 5, convenient for by five active carbon filter plates 2 interconnected from the first process chamber
It is taken out in 5；First process chamber, the 5 side side is port organization, and 5 side port sealing of the first process chamber is equipped with carrying
Cover board 4, achievees the effect that capping；17 one end of soft air-guide pipe connection is mounted on 13 side side of square box, is conducive to flue dust
It is input in second processing room 6；The strip-shaped hole and second processing room 6 that first process chamber 5 is opened up by one middle side part of partition
Connection, and 6 side sidewall bottom of second processing room laterally offers bar shaped port, the bar shaped port is equipped with sealing door-plate,
And sealing door-plate one end is flexibly connected with bar shaped port side, is conducive to the first process chamber 5 and is connected to second processing room 6.
In the use of the present invention, 13 bottom of square box to be located to the top of electric welding position first, by according to welding position
The height of point and starting do corresponding rotation with the drive long bolt 18 of motor 14 that external power supply and built-in controller are electrically connected,
Simultaneously under the interaction of power, moved up and down accordingly so that I-shaped sliding block 16 is done on long bolt 18, while driving rectangular
Frame 13 does corresponding sports, when the suction nozzle 11 of 13 bottom of square box away from electric welding location point proper height apart from when holding position not
Become, to be conducive to the height according to electric welding location point to purification part shift-in row height adjustment, reaches and be located at electric welding location point
The effect at top, convenient for absorbing flue dust taste removal well；
When suck square box 13 in flue dust through soft air-guide pipe 17 enter second processing room 6 in when, by starting with it is external
The suction ventilator 3 that power supply is electrically connected, achievees the effect that air draught, and the flue dust for being conducive to be welded generation is rectangular through the entrance of suction nozzle 11
In frame 13, since the communications ports of soft air-guide pipe 17 and cube case 1 are located in annular magnet 9, so that flue dust first passes through pyramid type
Filter cloth 7 enters back into active carbon filter plate 2 alternate in the first process chamber 5, while passing through alternate installation and having and being interspersed
The collection tray 20 of positive/negative plate and the ion generator 19 being powered, achieve the effect that electrostatic precipitation, to realize dedusting step by step
The function of taste removal is unloaded by will carry cover board 4 and removes five connected active carbon filter plates 2, while by opening sealing
Hand is protruded into second processing room 6 and drags the conical filter cloth 7 of magnetic connection by door-plate, to reach convenient for removing cleaning
Effect.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of electric welding fume and dust deodorizing purifier, it is characterised in that: including cube case (1), bar shaped box (15), suction ventilator
(3), the processing mechanism for being handled electric welding cigarette and the elevating mechanism for being gone up and down to clarifier, the cube case
(1) top side is vertically installed with bar shaped box (15), is respectively formed the first process chamber by partition in the middle part of the cube case (1)
(5) and second processing room (6) it, is connected to inside the air inlet port and the first process chamber (5) of the suction ventilator (3), and suction ventilator (3)
It is mounted on carrying (4) one middle side part of cover board；
The processing mechanism includes active carbon filter plate (2), conical filter cloth (7), annular iron plate (8) and annular magnet (9),
There are five the active carbon filter plate (2) sets, and five active carbon filter plates (2) are equidistantly mounted on the first process chamber (5)
Interior, the annular magnet (9) is mounted on second processing room (6) inner top, and annular magnet (9) passes through annular iron plate (8) and circle
Cube case (1) the surface connection of tapered filter cloth (7) connection, annular magnet (9) inner top is equipped with soft air-guide pipe (17),
There are two annulus block (21) for the alternate installation of the conical filter cloth (7), and two annulus blocks (21) are alternate respectively to be equipped with
Multiple collection trays (20) and ion generator (19), the ion generator (19) and multiple collection trays (20) form an electrostatic
Dedusting structure；
The elevating mechanism include T-type sliding slot (10), suction nozzle (11), square box (13), frame lid (12), I-shaped sliding block (16) and
Long bolt (18), the T-type sliding slot (10) is provided on the side wall of bar shaped box (15) two sides respectively vertically, and two T-types
It is slidably fitted with the same I-shaped sliding block (16) between sliding slot (10), is threaded in long bolt in the middle part of the I-shaped sliding block (16)
(18) on, and long bolt (18) is rotatably installed in bar shaped box (15), I-shaped sliding block (16) side by link block with
Square box (13) side side is fixedly connected, and the distribution connection of square box (13) bottom rectangle is equipped with multiple suction nozzles (11),
The frame lid (12) is sealingly mounted at square box (13) top port.
2. a kind of electric welding fume and dust deodorizing purifier according to claim 1, it is characterised in that: the bar shaped box (15)
Top end surface is equipped with motor (14), and shaft one end of motor (14) is mounted on long bolt (18) one end.
3. a kind of electric welding fume and dust deodorizing purifier according to claim 1, it is characterised in that: the active carbon filter plate
(2) two middle side parts are connect by sliding block with the interior two sides side walls of the first process chamber (5).
4. a kind of electric welding fume and dust deodorizing purifier according to claim 1, it is characterised in that: first process chamber
(5) side side is port organization, and the first process chamber (5) side port sealing is equipped with carrying cover board (4).
5. a kind of electric welding fume and dust deodorizing purifier according to claim 1, it is characterised in that: the soft air-guide pipe (17)
One end connection is mounted on square box (13) side side.
6. a kind of electric welding fume and dust deodorizing purifier according to claim 1, it is characterised in that: first process chamber
(5) strip-shaped hole opened up by one middle side part of partition is connected to second processing room (6), and second processing room (6) side side wall bottom
Portion laterally offers bar shaped port, and the bar shaped port is equipped with sealing door-plate, and seals door-plate one end and bar shaped port side
It is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627008.5A CN109621631A (en) | 2018-12-28 | 2018-12-28 | A kind of electric welding fume and dust deodorizing purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627008.5A CN109621631A (en) | 2018-12-28 | 2018-12-28 | A kind of electric welding fume and dust deodorizing purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109621631A true CN109621631A (en) | 2019-04-16 |
Family
ID=66079000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811627008.5A Pending CN109621631A (en) | 2018-12-28 | 2018-12-28 | A kind of electric welding fume and dust deodorizing purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109621631A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118455702A (en) * | 2024-07-10 | 2024-08-09 | 北京腾龙天元橡塑有限公司 | Automobile metal fitting welding machine tool with efficient cleaning function |
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|---|---|---|---|---|
| US20080060518A1 (en) * | 2006-09-08 | 2008-03-13 | Burlatsky Sergei F | Method and system for controlling constituents in an exhaust stream |
| CN205903752U (en) * | 2016-08-03 | 2017-01-25 | 浙江南方装饰工程有限公司 | Interior decoration construction dust isolating device |
| CN108273362A (en) * | 2018-02-11 | 2018-07-13 | 葛成侠 | A kind of welding gas cleaning instrument |
| CN207787244U (en) * | 2017-12-20 | 2018-08-31 | 山东双枭机电科技有限公司 | Flue dust collecting processing unit |
| CN207951001U (en) * | 2017-12-29 | 2018-10-12 | 东莞市金泰环保设备有限公司 | A kind of chemical industry Environmental-protection dust removal device |
-
2018
- 2018-12-28 CN CN201811627008.5A patent/CN109621631A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080060518A1 (en) * | 2006-09-08 | 2008-03-13 | Burlatsky Sergei F | Method and system for controlling constituents in an exhaust stream |
| CN205903752U (en) * | 2016-08-03 | 2017-01-25 | 浙江南方装饰工程有限公司 | Interior decoration construction dust isolating device |
| CN207787244U (en) * | 2017-12-20 | 2018-08-31 | 山东双枭机电科技有限公司 | Flue dust collecting processing unit |
| CN207951001U (en) * | 2017-12-29 | 2018-10-12 | 东莞市金泰环保设备有限公司 | A kind of chemical industry Environmental-protection dust removal device |
| CN108273362A (en) * | 2018-02-11 | 2018-07-13 | 葛成侠 | A kind of welding gas cleaning instrument |
Non-Patent Citations (2)
| Title |
|---|
| 王玫主编: "《闸门运行工》", 31 July 2013, 郑州：黄河水利出版社 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118455702A (en) * | 2024-07-10 | 2024-08-09 | 北京腾龙天元橡塑有限公司 | Automobile metal fitting welding machine tool with efficient cleaning function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190416 |