CN116713684B - Automobile seat framework welding positioning assembly - Google Patents
Automobile seat framework welding positioning assembly Download PDFInfo
- Publication number
- CN116713684B CN116713684B CN202310990314.XA CN202310990314A CN116713684B CN 116713684 B CN116713684 B CN 116713684B CN 202310990314 A CN202310990314 A CN 202310990314A CN 116713684 B CN116713684 B CN 116713684B
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- Prior art keywords
- fixedly connected
- hydraulic
- telescopic
- clamping
- driving
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- 238000003466 welding Methods 0.000 title claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a welding and positioning assembly of an automobile seat framework, which relates to the technical field of welding assistance of the automobile seat framework and comprises a base, wherein two ends of the top of the base are fixedly connected with transverse side plates, the top of one end of the transverse side plate, which is far away from the base, is fixedly connected with a vertical side plate, two clamping seats are arranged between the two transverse side plates, the two clamping seats are connected with a telescopic rotating assembly, and the telescopic rotating assembly is connected with a comprehensive driving assembly; the telescopic rotating assembly comprises a rotary drum which penetrates through and is connected with the vertical side plate in a rotating mode, one end in the rotary drum is fixedly connected with a first hydraulic telescopic rod, and the telescopic end of the first hydraulic telescopic rod is fixedly connected with a telescopic column.
Description
Technical Field
The invention relates to the technical field of automobile seat framework welding assistance, in particular to an automobile seat framework welding positioning assembly.
Background
Automotive seating is an important component of an automobile, and comfort, safety and durability are issues of great concern to both automobile manufacturers and consumers. The automobile seat framework is an automobile seat basic structure, and the quality and the precision of the automobile seat framework directly influence the quality and the performance of the whole automobile seat. Welding is a very important step in the manufacture of car seat frames. To ensure the accuracy and quality of the weld, a weld locating assembly is required for locating and securing.
The existing automobile seat framework is welded in welding, so that the automobile seat framework needs to be rotated in order to ensure multi-region welding of the automobile seat framework, and therefore multi-region welding is achieved, but at present, fixing and rotation of the automobile seat framework are often carried out by means of different electric driving units, the structure is complex, the electric driving units are easy to damage in the long-term use process, the welding efficiency is affected, and further improvement is needed.
Disclosure of Invention
The invention provides a welding and positioning assembly for an automobile seat framework, which solves the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the welding and positioning assembly comprises a base, wherein transverse side plates are fixedly connected to two ends of the top of the base, a vertical side plate is fixedly connected to the top of one end, far away from the base, of each transverse side plate, two clamping seats are arranged between the two transverse side plates, and are connected with a telescopic rotating assembly which is connected with a comprehensive driving assembly;
the telescopic rotating assembly comprises a rotary drum which penetrates through and is rotatably connected with the vertical side plate, one end in the rotary drum is fixedly connected with a first hydraulic telescopic rod, the telescopic end of the first hydraulic telescopic rod is fixedly connected with a telescopic column, and the telescopic column extends out of the rotary drum and is fixedly connected with the clamping seat;
the integrated driving assembly comprises a driving main cover fixedly arranged at the bottom end of the transverse side plate, a piston plate is slidably connected in the driving main cover, a main hydraulic rod is fixedly arranged on one side of the base, the telescopic end of the main hydraulic rod is fixedly connected with the piston plate, the driving main cover is fixedly connected with a first hydraulic pipe, one end of the first hydraulic pipe, far away from the driving main cover, is rotationally connected with the rotary drum, the end part of the driving main cover is fixedly connected with an auxiliary driving cover, and the auxiliary driving cover is connected with a rotary driving mechanism.
As a preferable technical scheme of the invention, the rotary driving mechanism comprises a hydraulic sleeve fixedly arranged on one side of the auxiliary driving cover, a moving rod is connected in the hydraulic sleeve in a sliding way, the moving rod extends out of the hydraulic sleeve and is fixedly connected with a toothed bar, a driven gear is coaxially and fixedly connected to the outer part of the rotary drum, and the toothed bar is meshed with the driven gear.
As a preferable technical scheme of the invention, one side of the vertical side plate is fixedly connected with a guide rail, and the toothed bar is arranged on the guide rail and is in sliding connection with the guide rail.
As a preferable technical scheme of the invention, a fixed ring is fixedly connected to the outside of the movable rod, and a return spring is fixedly connected between the fixed ring and the end part of the hydraulic sleeve.
As a preferable technical scheme of the invention, a plurality of guide rib plates are fixedly arranged outside the telescopic column, a plurality of guide grooves corresponding to the guide rib plates are formed in the inner wall of the rotary drum, and the guide rib plates extend into the guide grooves and are connected with the guide grooves in a sliding manner.
As a preferable technical scheme of the invention, the adjacent sides of the two clamping seats are respectively provided with a clamping groove, the V-shaped clamping grooves are arranged, the clamping seats on the two sides of the clamping grooves are respectively provided with an inclined surface, and the inclined surfaces on the two sides of the clamping grooves are respectively fixedly provided with transverse teeth.
As a preferable technical scheme of the invention, the clamping seat is connected with the longitudinal compression assembly, the longitudinal compression assembly comprises side cavities which are arranged on inclined planes at two sides of the clamping groove, each side cavity is fixedly connected with a second hydraulic telescopic rod, the telescopic ends of the second hydraulic telescopic rods are fixedly connected with clamping plates, the clamping plates are in sliding connection with the side cavities, a plurality of longitudinal teeth are fixedly arranged at one side of the clamping plate, the side edges of the clamping seat are rotatably connected with annular covers, the annular covers are fixedly connected with second hydraulic pipes, and the second hydraulic pipes penetrate through the vertical side plates and are fixedly connected with the hydraulic sleeves, and the annular covers are communicated with the inside of the second hydraulic telescopic rods.
As a preferable technical scheme of the invention, the top end of the transverse side plate is fixedly connected with a mounting seat, and the rotary drum penetrates through the mounting seat and is rotationally connected with the mounting seat.
The invention has the following advantages: according to the invention, the telescopic rotating assembly is arranged to clamp and fix the automobile seat framework, the rotation of the automobile seat framework is realized, the multi-region welding of the automobile seat framework can be realized, the multi-stage driving can be realized in a hydraulic mode through the comprehensive driving assembly, the driving mode is simple, the work is stable, and the using effect is good.
Drawings
Fig. 1 is a schematic perspective view of a welding positioning assembly for an automobile seat frame.
Fig. 2 is a schematic top perspective view of the integrated drive assembly in the automotive seat frame welding positioning assembly.
Fig. 3 is a schematic bottom perspective view of the integrated drive assembly in the automotive seat frame welding positioning assembly.
Fig. 4 is a schematic structural view of a hydraulic bushing in an automotive seat frame welding positioning assembly.
Fig. 5 is a schematic structural view of a holder in a welding positioning assembly for an automobile seat frame.
Fig. 6 is a schematic perspective sectional view of a composite drive assembly in an automotive seat frame welding positioning assembly.
In the figure: 1. a base; 2. a lateral plate is horizontally arranged; 3. a side plate is vertically arranged; 4. a rotating drum; 5. a mounting base; 6. a telescopic column; 7. a clamping seat; 8. a comprehensive driving assembly; 9. driving the main cover; 10. a first hydraulic pipe; 11. a driven gear; 12. a sub-driving cover; 13. a hydraulic sleeve; 14. a moving rod; 15. a toothed bar; 16. a guide rail; 17. a second hydraulic pipe; 18. a main hydraulic rod; 19. a fixing ring; 20. a return spring; 21. a clamping groove; 22. transverse teeth; 23. longitudinal teeth; 24. a piston plate; 25. a first hydraulic telescoping rod; 26. guide rib plates; 27. a side cavity; 28. a second hydraulic telescoping rod; 29. and (3) clamping plates.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-6, an automobile seat framework welding positioning assembly comprises a base 1, wherein two ends of the top of the base 1 are fixedly connected with transverse side plates 2, the top of one end, far away from the base 1, of the transverse side plates 2 is fixedly connected with vertical side plates 3, two clamping seats 7 are arranged between the two transverse side plates 2, the two clamping seats 7 are connected with telescopic rotating assemblies, and the telescopic rotating assemblies are connected with a comprehensive driving assembly 8;
the telescopic rotating assembly comprises a rotary drum 4 which penetrates through and is rotatably connected with the vertical side plate 3, one end in the rotary drum 4 is fixedly connected with a first hydraulic telescopic rod 25, the telescopic end of the first hydraulic telescopic rod 25 is fixedly connected with a telescopic column 6, and the telescopic column 6 extends out of the rotary drum 4 and is fixedly connected with a clamping seat 7;
the comprehensive driving assembly 8 comprises a driving main cover 9 fixedly arranged at the bottom end of the transverse side plate 2, a piston plate 24 is slidably connected in the driving main cover 9, a main hydraulic rod 18 is fixedly arranged on one side of the base 1, a telescopic end of the main hydraulic rod 18 is fixedly connected with the piston plate 24, the driving main cover 9 is fixedly connected with a first hydraulic pipe 10, one end, away from the driving main cover 9, of the first hydraulic pipe 10 is rotationally connected with the rotary drum 4, an end part fixedly connected with an auxiliary driving cover 12 of the driving main cover 9, and the auxiliary driving cover 12 is connected with a rotary driving mechanism.
The rotary driving mechanism comprises a hydraulic sleeve 13 fixedly arranged on one side of the auxiliary driving cover 12, a moving rod 14 is connected in a sliding manner in the hydraulic sleeve 13, the moving rod 14 extends out of the hydraulic sleeve 13 and is fixedly connected with a toothed rod 15, a driven gear 11 is coaxially and fixedly connected to the outer part of the rotary drum 4, and the toothed rod 15 is meshed with the driven gear 11.
One side of the vertical side plate 3 is fixedly connected with a guide rail 16, and a toothed bar 15 is arranged on the guide rail 16 and is in sliding connection with the guide rail 16.
The outside of the movable rod 14 is fixedly connected with a fixed ring 19, and a return spring 20 is fixedly connected between the fixed ring 19 and the end part of the hydraulic sleeve 13.
The outside of the telescopic column 6 is fixedly provided with a plurality of guide rib plates 26, the inner wall of the rotary drum 4 is provided with a plurality of guide grooves corresponding to the guide rib plates 26, and the guide rib plates 26 extend into the guide grooves and are in sliding connection with the guide grooves.
The adjacent sides of the two clamping seats 7 are respectively provided with a clamping groove 21, the clamping grooves 21 are arranged in a V shape, inclined surfaces are respectively arranged on the clamping seats 7 on two sides of the clamping grooves 21, and transverse teeth 22 are respectively and fixedly arranged on the inclined surfaces on two sides of the clamping grooves 21.
The top of the transverse side plate 2 is fixedly connected with a mounting seat 5, and the rotary drum 4 penetrates through the mounting seat 5 and is rotationally connected with the mounting seat 5.
Example 2
Referring to fig. 1 to 6, the other contents of this embodiment are the same as those of embodiment 1, except that: the clamping seat 7 is connected with a longitudinal compression assembly, the longitudinal compression assembly comprises side cavities 27 formed in inclined planes on two sides of the clamping groove 21, each side cavity 27 is internally and fixedly connected with a second hydraulic telescopic rod 28, the telescopic ends of the second hydraulic telescopic rods 28 are fixedly connected with clamping plates 29, the clamping plates 29 are slidably connected with the side cavities 27, one side of each clamping plate 29, which is located in the clamping groove 21, is fixedly provided with a plurality of longitudinal teeth 23, the side edges of the clamping seat 7 are rotationally connected with annular covers, the annular covers are fixedly connected with second hydraulic pipes 17, the second hydraulic pipes 17 penetrate through the vertical side plates 3 and are fixedly connected with the hydraulic sleeves 13, and the annular covers are communicated with the inside of the second hydraulic telescopic rods 28.
In the implementation process of the invention, firstly, an automobile seat framework is arranged between two clamping seats 7, then the main hydraulic rod 18 is controlled to extend, the main hydraulic rod 18 drives the piston plate 24 to move in the driving main cover 9, hydraulic oil in the driving main cover 9 and the auxiliary driving cover 12 is pressed, along with the increase of the pressure exerted by the piston plate 24 on the hydraulic oil, the hydraulic oil firstly extends the first hydraulic telescopic rod 25 and the second hydraulic telescopic rod 28, the movable rod 14 does not displace under the tensile force of the return spring 20, the first hydraulic telescopic rod 25 and the second hydraulic telescopic rod 28 drive the clamping seats 7 and the clamping plates 29 to move to clamp the automobile seat framework during extension, the positioning clamping of the automobile seat framework is completed, and then the main hydraulic rod 18 is controlled to stop extending;
then, the automobile seat framework can be welded;
when the automobile seat framework is required to be turned to realize welding of other positions, the main hydraulic cylinder is controlled to drive the piston plate 24 to continuously move, so that the fluid pressure in the driving main cover 9 and the auxiliary driving cover 12 is gradually increased, the first hydraulic telescopic rod 25 and the second hydraulic telescopic rod 28 cannot continuously extend, therefore, the moving rod 14 moves outwards towards the hydraulic sleeve 13 under the hydraulic action, the moving rod 14 drives the toothed bar 15 to move, the driven gear 11 rotates and then drives the rotary drum 4 and the telescopic column 6 to rotate, the clamping seat 7 rotates, and finally the automobile seat framework rotates, so that the multi-region welding of the automobile seat framework is facilitated.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The welding positioning assembly for the automobile seat framework comprises a base (1) and is characterized in that two ends of the top of the base (1) are fixedly connected with transverse side plates (2), the top of one end, far away from the base (1), of each transverse side plate (2) is fixedly connected with a vertical side plate (3), two clamping seats (7) are arranged between the two transverse side plates (2), the two clamping seats (7) are connected with telescopic rotating assemblies, and the telescopic rotating assemblies are connected with a comprehensive driving assembly (8);
the telescopic rotating assembly comprises a rotary drum (4) which penetrates through and is connected with the vertical side plate (3) in a rotating mode, one end in the rotary drum (4) is fixedly connected with a first hydraulic telescopic rod (25), the telescopic end of the first hydraulic telescopic rod (25) is fixedly connected with a telescopic column (6), and the telescopic column (6) extends out of the rotary drum (4) and is fixedly connected with the clamping seat (7);
the comprehensive driving assembly (8) comprises a driving main cover (9) fixedly arranged at the bottom end of the transverse side plate (2), a piston plate (24) is connected in the driving main cover (9) in a sliding manner, one side of the base (1) is fixedly provided with a main hydraulic rod (18), the telescopic end of the main hydraulic rod (18) is fixedly connected with the piston plate (24), the driving main cover (9) is fixedly connected with a first hydraulic pipe (10), one end, far away from the driving main cover (9), of the first hydraulic pipe (10) is rotationally connected with the rotary drum (4), the end part of the driving main cover (9) is fixedly connected with a secondary driving cover (12), and the secondary driving cover (12) is connected with a rotary driving mechanism;
the rotary driving mechanism comprises a hydraulic sleeve (13) fixedly arranged at one side of the auxiliary driving cover (12), a moving rod (14) is connected in a sliding manner in the hydraulic sleeve (13), the moving rod (14) extends out of the hydraulic sleeve (13) and is fixedly connected with a toothed bar (15), a driven gear (11) is coaxially and fixedly connected to the outside of the rotary drum (4), and the toothed bar (15) is meshed with the driven gear (11);
one side of the vertical side plate (3) is fixedly connected with a guide rail (16), and a toothed bar (15) is arranged on the guide rail (16) and is in sliding connection with the guide rail;
a fixed ring (19) is fixedly connected to the outside of the movable rod (14), and a return spring (20) is fixedly connected between the fixed ring (19) and the end part of the hydraulic sleeve (13);
the adjacent sides of the two clamping seats (7) are respectively provided with a clamping groove (21), the clamping grooves (21) are arranged in a V shape, inclined surfaces are respectively arranged on the clamping seats (7) at the two sides of the clamping grooves (21), and transverse teeth (22) are respectively and fixedly arranged on the inclined surfaces at the two sides of the clamping grooves (21);
the clamping seat (7) is connected with a longitudinal compression assembly, the longitudinal compression assembly comprises side cavities (27) formed in inclined planes on two sides of the clamping groove (21), each side cavity (27) is internally and fixedly connected with a second hydraulic telescopic rod (28), the telescopic ends of the second hydraulic telescopic rods (28) are fixedly connected with clamping plates (29), the clamping plates (29) are slidably connected with the side cavities (27), a plurality of longitudinal teeth (23) are fixedly arranged on one side of the clamping groove (21), annular covers are rotatably connected to the side edges of the clamping seat (7), the annular covers are fixedly connected with second hydraulic pipes (17), and the second hydraulic pipes (17) penetrate through the vertical side plates (3) and are fixedly connected with the hydraulic sleeves (13) and are communicated with the inside of the second hydraulic telescopic rods.
2. The welding positioning assembly for the automobile seat framework according to claim 1, wherein a plurality of guide ribs (26) are fixedly arranged outside the telescopic column (6), a plurality of guide grooves corresponding to the guide ribs (26) are formed in the inner wall of the rotary drum (4), and the guide ribs (26) extend into the guide grooves and are in sliding connection with the guide grooves.
3. The welding positioning assembly for the automobile seat framework according to claim 1, wherein the top end of the transverse side plate (2) is fixedly connected with a mounting seat (5), and the rotary drum (4) penetrates through the mounting seat (5) and is rotationally connected with the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310990314.XA CN116713684B (en) | 2023-08-08 | 2023-08-08 | Automobile seat framework welding positioning assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310990314.XA CN116713684B (en) | 2023-08-08 | 2023-08-08 | Automobile seat framework welding positioning assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116713684A CN116713684A (en) | 2023-09-08 |
| CN116713684B true CN116713684B (en) | 2023-10-24 |
Family
ID=87868315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310990314.XA Active CN116713684B (en) | 2023-08-08 | 2023-08-08 | Automobile seat framework welding positioning assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116713684B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101514948B1 (en) * | 2013-11-21 | 2015-04-24 | 대원강업주식회사 | Welding equipment of seat back frame for a vehicle and welding method using the same |
| CN212858335U (en) * | 2020-07-15 | 2021-04-02 | 芜湖市宇特机械制造有限公司 | Welding fixture for automobile seat support |
| CN214392973U (en) * | 2020-11-26 | 2021-10-15 | 徐州鸿卓激光科技有限公司 | Seat welding device for paver |
| CN216398532U (en) * | 2021-09-14 | 2022-04-29 | 山东慧达汽车部件有限公司 | Seat skeleton welding set |
| CN217529797U (en) * | 2022-04-29 | 2022-10-04 | 柳州光宇齿轮有限公司 | Fixing frame of seat framework welding workshop |
| CN219403019U (en) * | 2023-03-13 | 2023-07-25 | 芜湖卓晟汽车科技有限公司 | Automobile seat framework fixing platform |
| CN219426060U (en) * | 2023-03-17 | 2023-07-28 | 定州市松本汽车座椅制造有限公司 | Car seat skeleton connection welding equipment |
-
2023
- 2023-08-08 CN CN202310990314.XA patent/CN116713684B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101514948B1 (en) * | 2013-11-21 | 2015-04-24 | 대원강업주식회사 | Welding equipment of seat back frame for a vehicle and welding method using the same |
| CN212858335U (en) * | 2020-07-15 | 2021-04-02 | 芜湖市宇特机械制造有限公司 | Welding fixture for automobile seat support |
| CN214392973U (en) * | 2020-11-26 | 2021-10-15 | 徐州鸿卓激光科技有限公司 | Seat welding device for paver |
| CN216398532U (en) * | 2021-09-14 | 2022-04-29 | 山东慧达汽车部件有限公司 | Seat skeleton welding set |
| CN217529797U (en) * | 2022-04-29 | 2022-10-04 | 柳州光宇齿轮有限公司 | Fixing frame of seat framework welding workshop |
| CN219403019U (en) * | 2023-03-13 | 2023-07-25 | 芜湖卓晟汽车科技有限公司 | Automobile seat framework fixing platform |
| CN219426060U (en) * | 2023-03-17 | 2023-07-28 | 定州市松本汽车座椅制造有限公司 | Car seat skeleton connection welding equipment |
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| Publication number | Publication date |
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| CN116713684A (en) | 2023-09-08 |
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