CN116100243A - Metal support column welding set - Google Patents

Metal support column welding set Download PDF

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Publication number
CN116100243A
CN116100243A CN202310252123.3A CN202310252123A CN116100243A CN 116100243 A CN116100243 A CN 116100243A CN 202310252123 A CN202310252123 A CN 202310252123A CN 116100243 A CN116100243 A CN 116100243A
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CN
China
Prior art keywords
support column
processing table
threaded rod
base
welding
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
Application number
CN202310252123.3A
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Chinese (zh)
Inventor
豆桂权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinluola Metal Products Dongtai Co ltd
Original Assignee
Xinluola Metal Products Dongtai Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinluola Metal Products Dongtai Co ltd filed Critical Xinluola Metal Products Dongtai Co ltd
Priority to CN202310252123.3A priority Critical patent/CN116100243A/en
Publication of CN116100243A publication Critical patent/CN116100243A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0252Steering means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention relates to the technical field of welding equipment, and discloses a metal support column welding device which comprises a processing table, wherein the upper part of the processing table is fixedly connected with a support plate, a conveying roller is arranged in the support plate, a gear chain is wound on the outer side of the lower part of the conveying roller, and a first gear motor is arranged on the inner side of the gear chain. This metal support column welding set is located the left side of processing table through base limit cover, and conveying roller is located the right side, and base limit cover and conveying roller can prescribe a limit to the position of support column base and support column in proper order, and first threaded rod and second threaded rod can be adjusted the position of base limit cover simultaneously, and when fixing a position between support column base and the support column promptly, the accuracy when increasing the location, the high of first telescopic device drive disc is adjusted promptly, and the support column base movable to circular pipeline inboard is placed in the middle the position promptly, can increase the accuracy when welding the position location.

Description

Metal support column welding set
Technical Field
The invention relates to the technical field of welding equipment, in particular to a metal support column welding device.
Background
The inside base and the cylinder that includes of metal support column, when metal support column production preparation, need splice between base and the cylinder, utilize welding equipment to carry out welding process between base and the cylinder simultaneously, usually utilize manual welded mode to carry out welding process between base and the cylinder.
In welding equipment, utilize welder to carry out welding process to the metal pipe fitting, but welder welding time, manual operation is needed, manual operation can influence machining precision, when utilizing auxiliary assembly to prescribe a limit to welding between base and the cylinder simultaneously, prescribe a limit to the device and can carry the position of base and cylinder and fix, but when carrying out welding to the outside of base and cylinder, need weld around base and cylinder connection for need manual conversion base and cylinder angle and position, but in the position to base and cylinder adjustment process, can lead to base and cylinder junction to appear not hard up problem, make the welding precision who influences the support column, for this reason we propose a metal support column welding set.
Disclosure of Invention
Aiming at the defects of the existing metal support column welding device, the invention provides a metal support column welding device which is provided with a support column base and a support column, wherein after the support column base and the upper part of a support column limiting sleeve are limited on a conveying roller and a base, welding equipment rotates along with a circular rotating pipeline, the circular rotating pipeline drives the welding equipment to rotate around the outside of the support column base, namely, when the circular rotating pipeline drives the welding equipment to weld the outside of the support column base and the support column, the movable space of the support column base and the support column is reduced, the dislocation occurrence advantage during welding is reduced, and the problems in the prior art are solved.
The invention provides the following technical scheme: the utility model provides a metal support column welding set, includes the processing table, the upper portion fixedly connected with backup pad of processing table, the internally mounted of backup pad has the conveying cylinder, the outside winding of conveying cylinder lower part has the gear train, the internally mounted of gear train has first gear motor, the lower part fixedly connected with auxiliary connection board of processing table one side, auxiliary connection board's internally mounted has first telescopic machanism, the upper portion fixedly connected with disc of first telescopic machanism, the inboard fixedly connected with circular rotation pipeline of disc, first gear and second gear motor are installed in the outside of disc, welding equipment is installed to the inboard of circular rotation pipeline, first threaded rod is installed in the left side of processing table, the outside winding of first threaded rod has the spliced pole, the internally mounted of spliced pole one side has the second threaded rod, the base limiting sleeve is installed to the inboard of second threaded rod, the base is put to the inboard of auxiliary connection board, the support column of conveying cylinder is installed to the inboard of processing table one side, the third is installed to one side of processing table top, the outside of third threaded rod is installed to the outside of threaded rod, the threaded rod is installed to the threaded connection board before the drum.
Preferably, a group of support plates are arranged on two sides of the upper part of the processing table, and the conveying roller and the upper part of the processing table form a 45-degree inclination angle.
Preferably, gears are arranged at the lower parts of the conveying rollers, the gear chains are connected with the gears in a meshed mode, and the first gear motor is arranged at the upper part of the processing table.
Preferably, the disc is located at the middle part of the processing table, the first telescopic devices are installed on two sides of the front end and the rear end of the processing table, and the disc and the circular rotating pipeline are circular.
Preferably, the gear is installed in the outside of circular rotation pipeline, the intermeshing connection between gear and the first gear of circular rotation pipeline outside installation, intermeshing connection between first gear and the second gear motor.
Preferably, the welding equipment is located in the middle of the circular rotating pipeline, and the inside of the welding equipment comprises a telescopic rod and the welding equipment.
Preferably, the second threaded rod is kept parallel to the upper part of the processing table, the base limiting sleeve is L-shaped, and the support column base is positioned in the middle of the base limiting sleeve.
Preferably, the retention rollers are arranged at equal intervals on the inner side of the connecting plate, the retention rollers are arranged on the upper parts of the support columns, and the motor is arranged on the lower parts of the third threaded rods.
Compared with the existing metal support column welding device, the welding device has the following beneficial effects:
1. this metal support column welding set removes the inboard to the disc through support column base and support column, start the second gear motor simultaneously, the second gear motor drives circular rotation pipeline rotation under the effect of first gear linkage, circular rotation pipeline drives welding equipment's angle and adjusts, welding equipment is flexible simultaneously, welding equipment can carry out spin welding treatment between support column base and the support column external connection department promptly, welding equipment welds support column and support column base outside promptly, need change the angle of support column or change the problem of welding set angle when avoiding equipment to weld, convenience when increasing the weldability.
2. This metal support column welding set is located the left side of processing table through base limit cover, and conveying roller is located the right side, and base limit cover and conveying roller can prescribe a limit to the position of support column base and support column in proper order, and first threaded rod and second threaded rod can be adjusted the position of base limit cover simultaneously, and when fixing a position between support column base and the support column promptly, the accuracy when increasing the location, the high of first telescopic device drive disc is adjusted promptly, and the support column base movable to circular pipeline inboard is placed in the middle the position promptly, can increase the accuracy when welding the position location.
3. This metal support column welding set, through the gear chain in proper order with the multiunit carry between the gear of cylinder outside installation meshing connection, start first gear motor simultaneously, first gear motor drives the gear chain and rotates, the gear chain drives and carries the cylinder and rotate in step, increase stability when carrying the cylinder to promote the support column to the inboard removal promptly.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the main body of the present invention;
FIG. 3 is a schematic side cross-sectional view of the body of the present invention;
FIG. 4 is a schematic view of a partially enlarged structure of the support column conveying apparatus of the present invention;
fig. 5 is an enlarged schematic view of the structure of the present invention at a.
In the figure: 1. a processing table; 2. a support plate; 3. a conveying roller; 4. a gear train; 5. a first gear motor; 6. an auxiliary connecting plate; 7. a first telescopic device; 8. a disc; 9. a circular rotating pipe; 10. a first gear; 11. a second gear motor; 12. a welding device; 13. a first threaded rod; 14. an adjusting column; 15. a second threaded rod; 16. a base defining sleeve; 17. a support column base; 18. a support column; 19. a third threaded rod; 20. a connecting plate; 21. and (3) a retention roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 2, 3, 4 and 5, a metal support column welding device comprises a processing table 1, wherein a support plate 2 is fixedly connected to the upper part of the processing table 1, the support plate 2 limits the position of a conveying roller 3, the conveying roller 3 is arranged in the support plate 2, when the conveying roller 3 rotates, the conveying roller 3 drives a support column 18 to move leftwards, a gear chain 4 is wound on the outer side of the lower part of the conveying roller 3, a first gear motor 5 is arranged on the inner side of the gear chain 4, the first gear motor 5 drives the gear chain 4 to rotate, the gear chain 4 drives the conveying roller 3 to synchronously rotate, the stability of the position of the support column 18 during adjustment is improved, an auxiliary connecting plate 6 is fixedly connected to the lower part of one side of the processing table 1, a first telescopic device 7 is arranged in the auxiliary connecting plate 6, the first telescopic device 7 drives the height of a disc 8 to regulate and control, the upper part of the first telescopic device 7 is fixedly connected with a disc 8, the disc 8 drives the circular rotating pipeline 9 to limit the position, the inner side of the disc 8 is fixedly connected with the circular rotating pipeline 9, the circular rotating pipeline 9 drives the welding device to rotate, a first gear 10 and a second gear motor 11 are arranged on the outer side of the disc 8, the first gear 10 and the second gear motor 11 drive the circular rotating pipeline 9 to rotate, a welding device 12 is arranged on the inner side of the circular rotating pipeline 9, the welding device 12 carries out welding treatment on the outer part of a supporting column, a first threaded rod 13 is arranged on the left side of the processing table 1, the first threaded rod 13 pushes a base limiting sleeve 16 to move up and down, an adjusting column 14 is wound on the outer part of the first threaded rod 13, a second threaded rod 15 is arranged in one side of the adjusting column 14, the second threaded rod 15 pushes the base limiting sleeve 16 to move back and forth, the base limiting sleeve 16 is arranged on the inner side of the second threaded rod 15, the base limiting sleeve 16 limits the position of the support column base 17, the support column base 17 is arranged on the inner side of the base limiting sleeve 16, the base limiting sleeve 16 is in contact with the support column base 17 and provides a welding zone, the support column 18 is arranged on the inner side of the conveying roller 3, the third threaded rod 19 is arranged on one side of the upper portion of the processing table 1, the third threaded rod 19 drives the height of the connecting plate 20 to be adjusted, the connecting plate 20 is connected with the external threads of the third threaded rod 19, the retention roller 21 is arranged at the front end of the connecting plate 20, and the retention roller 21 limits the upper portion of the support column 18 in a pressing mode.
Referring to fig. 1, a group of support plates 2 are mounted on both sides of the upper portion of the processing table 1, the conveying roller 3 is inclined at an angle of 45 ° to the upper portion of the processing table 1, and the support columns 18 are mounted on both sides of the upper portion of the processing table 1 through the conveying roller 3, and are carried on the upper portion of the conveying roller 3, that is, the conveying roller 3 can limit the positions of the support columns 18, and meanwhile, the support columns 18 are kept in a centered state.
Referring to fig. 4, gears are mounted at the lower parts of the conveying rollers 3, the gear chains 4 are connected with the gears in a meshed manner, the first gear motor 5 is mounted at the upper part of the processing table 1, the gears are mounted at the lower parts of the conveying rollers 3, meanwhile, the gear chains 4 are connected with the diameters of the gears in a meshed manner, when the first gear motor 5 is started, the first gear motor 5 drives the gear chains 4 to rotate, the gear chains 4 drive the conveying rollers 3 to synchronously rotate, the supporting columns 18 can be synchronously driven to move to one side in the rotating process of the conveying rollers 3, superposition limiting can be carried between the supporting column base 17 and the supporting columns 18, and convenience in position adjustment of the supporting columns 18 is improved.
Referring to fig. 1, the disc 8 is located in the middle of the processing table 1, the first telescopic device 7 is installed on two sides of the front end and the rear end of the processing table 1, the disc 8 and the circular rotating pipeline 9 are circular, the disc 8 is installed in the middle of the processing table 1, the first telescopic device 7 is started simultaneously, the first telescopic device 7 drives the disc 8 to stretch out and draw back, after the support column 18 and the support column base 17 coincide, the position of the disc 8 is adjusted, the support column base 17 and the support column 18 can be driven to align with the disc 8 in the middle, and meanwhile, when the welding device welds the joint of the support column 18 and the support column base 17, the convenience of position adjustment is improved.
Referring to fig. 1, a gear is installed on the outer side of the circular rotating pipe 9, the gear installed on the outer side of the circular rotating pipe 9 is connected with the first gear 10 in a meshed manner, the first gear 10 is connected with the second gear motor 11 in a meshed manner, the second gear motor 11 drives the first gear 10 to rotate by starting the second gear motor 11, the first gear 10 and the outer side of the circular rotating pipe 9 perform meshed motion, namely, the second gear motor 11 can drive the first gear 10 to rotate, the first gear 10 drives the circular rotating pipe 9 to rotate, the circular rotating pipe 9 drives the welding equipment 12 to circularly weld the support column base 17 and the support column 18 at the external connection position, and meanwhile, flexibility is increased when welding is performed between the support column base 17 and the support column 18 connection position.
Referring to fig. 2, the welding device 12 is located in the middle of the circular rotating pipe 9, and meanwhile, the welding device 12 includes a telescopic rod and a welding device, the welding device 12 is started to push the welding device to move downwards, and meanwhile, the welding device contacts and welds the joint of the support column base 17 and the support column 18, and meanwhile, the second gear motor 11 drives the circular rotating pipe 9 to rotate, and the circular rotating pipe 9 drives the welding device to rotate, namely, the welding device can circularly weld the joint of the support column base 17 and the support column 18, namely, the convenience of the welding of the support column is improved, and the problem that time is wasted due to edge replacement of the support column is reduced.
Referring to fig. 2, the second threaded rod 15 is kept parallel to the upper portion of the processing table 1, the base limiting sleeve 16 is L-shaped, the support column base 17 is located in the middle of the base limiting sleeve 16, the second threaded rod 15 is kept horizontal to the processing table 1, the first threaded rod 13 and the second threaded rod 15 are started to adjust the height and position of the portable base limiting sleeve 16, and the support column base 17 clamped inside the portable base limiting sleeve 16 is moved to be aligned with the support column 18, so that the support column base 17 and the support column 18 can be conveniently moved to a welding area.
Referring to fig. 1, the retention rollers 21 are arranged at equal intervals inside the connection plate 20, the retention rollers 21 are mounted on the upper portion of the support column 18, a motor is mounted on the lower portion of the third threaded rod 19, the third threaded rod 19 drives the connection plate 20 to perform threaded movement by starting the third threaded rod 19, namely, the third threaded rod 19 drives the height of the retention rollers 21 to perform control adjustment, meanwhile, the retention rollers 21 can move to the upper portion of the support column 18, and meanwhile, the upper portion of the support column 18 can be extruded and limited, so that the problem of position deviation during welding of the support column 18 is avoided.
Working principle: when the rotary type automatic edge turning machine is used, the support column base 17 and the support column 18 are sequentially placed on the upper part of the base limiting sleeve 16 and the inner sides of the two groups of conveying rollers 3, namely, the positions of the support column base 17 and the support column 18 are limited, the first gear motor 5 is started, the first gear motor 5 drives the conveying rollers 3 to rotate, the conveying rollers 3 push the support column 18 to move leftwards, the second threaded rod 15 and the first threaded rod 13 are started, the angle of the support column base 17 is driven to be adjusted, the support column base 17 and the support column 18 are aligned and installed, meanwhile, the joint between the support column base 17 and the support column 18 extends to the middle of the disc 8, the second gear motor 11 is started, the circular rotary pipeline 9 is driven to rotate, the welding equipment 12 mounted on the inner side of the circular rotary pipeline 9 extends downwards, the welding equipment contained in the welding equipment 12 can be welded with the joint between the support column base 17 and the support column 18, and the welding equipment performs circular motion, and the welding equipment can continuously perform the welding treatment on the periphery outside the support column base 17 and the support column 18, and the problem that the joint between the support column base 17 and the support column 18 needs to be turned edge is reduced when the joint between the support column base 17 and the support column 18 is welded.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a metal support column welding set, includes processing table (1), the upper portion fixedly connected with backup pad (2) of processing table (1), internally mounted of backup pad (2) has conveying drum (3), the outside winding of conveying drum (3) lower part has gear train (4), first gear motor (5) are installed to the inboard of gear train (4), lower part fixedly connected with auxiliary connection board (6) of processing table (1) one side, the internally mounted of auxiliary connection board (6) has first telescopic machanism (7), the upper portion fixedly connected with disc (8) of first telescopic machanism (7), the inboard fixedly connected with circular rotation pipeline (9) of disc (8), its characterized in that: the utility model discloses a welding machine for machining a disc, including disc (8), support column base (17) is put to the inboard of cover (16) is restricted to the inboard of second threaded rod (15), support column (18) is installed to the inboard of carrying cylinder (3), welding equipment (12) is installed to the inboard of circular rotation pipeline (9), first threaded rod (13) are installed in the left side of processing table (1), the outside winding of first threaded rod (13) has adjusting column (14), internally mounted on adjusting column (14) one side has second threaded rod (15), base limiting sleeve (16) is installed to the inboard of second threaded rod (15), support column base (17) is put to the inboard of base limiting sleeve (16), third threaded rod (19) are installed to the inboard of carrying cylinder (3), the outside threaded connection of third threaded rod (19) has connecting plate (20), the front end of connecting plate (20) installs retention cylinder (21).
2. A metal support pillar welding apparatus as set forth in claim 1, wherein: the support plate (2) is provided with a group on two sides of the upper part of the processing table (1), and the conveying roller (3) and the upper part of the processing table (1) form a 45-degree inclination angle.
3. A metal support pillar welding apparatus as set forth in claim 1, wherein: gears are arranged at the lower parts of the conveying rollers (3), the gear chains (4) are connected with the gears in a meshed mode, and the first gear motor (5) is arranged at the upper part of the processing table (1).
4. A metal support pillar welding apparatus as set forth in claim 1, wherein: the disc (8) is located in the middle of the processing table (1), the first telescopic equipment (7) is installed on two sides of the front end and the rear end of the processing table (1), and the disc (8) and the circular rotating pipeline (9) are circular.
5. A metal support pillar welding apparatus as set forth in claim 1, wherein: the circular rotating pipeline (9) is characterized in that gears are arranged on the outer side of the circular rotating pipeline (9), the gears arranged on the outer side of the circular rotating pipeline (9) are connected with the first gears (10) in a meshed mode, and the first gears (10) are connected with the second gear motor (11) in a meshed mode.
6. A metal support pillar welding apparatus as set forth in claim 1, wherein: the welding equipment (12) is located in the middle of the circular rotating pipeline (9), and meanwhile the inside of the welding equipment (12) comprises a telescopic rod and the welding equipment.
7. A metal support pillar welding apparatus as set forth in claim 1, wherein: the second threaded rod (15) is kept in a parallel state with the upper part of the processing table (1), the base limiting sleeve (16) is L-shaped, and the support column base (17) is positioned in the middle of the base limiting sleeve (16).
8. A metal support pillar welding apparatus as set forth in claim 1, wherein: the retention rollers (21) are arranged at equal intervals on the inner side of the connecting plate (20), the retention rollers (21) are arranged on the upper portion of the supporting column (18), and the motor is arranged on the lower portion of the third threaded rod (19).
CN202310252123.3A 2023-03-16 2023-03-16 Metal support column welding set Pending CN116100243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310252123.3A CN116100243A (en) 2023-03-16 2023-03-16 Metal support column welding set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310252123.3A CN116100243A (en) 2023-03-16 2023-03-16 Metal support column welding set

Publications (1)

Publication Number Publication Date
CN116100243A true CN116100243A (en) 2023-05-12

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ID=86256309

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310252123.3A Pending CN116100243A (en) 2023-03-16 2023-03-16 Metal support column welding set

Country Status (1)

Country Link
CN (1) CN116100243A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117226408A (en) * 2023-11-14 2023-12-15 靖江市黄埔机械部件制造有限公司 Welding equipment for brake processing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117226408A (en) * 2023-11-14 2023-12-15 靖江市黄埔机械部件制造有限公司 Welding equipment for brake processing
CN117226408B (en) * 2023-11-14 2024-01-26 靖江市黄埔机械部件制造有限公司 Welding equipment for brake processing

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