CN114433665A - Rim shaping equipment for automobile rim production - Google Patents
Rim shaping equipment for automobile rim production Download PDFInfo
- Publication number
- CN114433665A CN114433665A CN202210145775.2A CN202210145775A CN114433665A CN 114433665 A CN114433665 A CN 114433665A CN 202210145775 A CN202210145775 A CN 202210145775A CN 114433665 A CN114433665 A CN 114433665A
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- CN
- China
- Prior art keywords
- shaping
- rim
- block
- wall
- cylinder
- 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.)
- Granted
Links
- 238000007493 shaping process Methods 0.000 title claims abstract description 120
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims description 26
- 238000005485 electric heating Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000012467 final product Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/08—Removing local distortions of hollow bodies made from sheet metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of rim production and application, and particularly relates to rim shaping equipment for automobile rim production. The shaping assembly comprises a rack and a shaping assembly arranged on the rack, wherein the shaping assembly comprises a shaping motor with a power end vertically arranged upwards and a fixing seat arranged at the power end of the shaping motor, a shaping oil cylinder is horizontally arranged on the fixing seat, the power end of the shaping oil cylinder is connected with a shaping block, and the shaping assembly further comprises a clamping mechanism wrapped outside the fixing seat.
Description
Technical Field
The invention belongs to the technical field of rim production and application, and particularly relates to rim shaping equipment for automobile rim production.
Background
The rim, commonly known as the hub, is the intermediate part that holds the tire and connects it to the axle. With continuous improvements, hubs have become fully functional, monolithic components under modern industrial technological conditions. The wheel hub is used as a rotary motion part and must meet the technical conditions of light weight, fatigue resistance, dynamic balance and the like on the premise that the wheel hub has certain rigidity.
The conventional rim for a truck is generally manufactured by carrying steel plates, the steel plates are bent into a cylindrical shape through a bending machine, then two ends of the steel plates are flattened and welded, after welding is completed, redundant parts of welding seams are ground, then a steel cylinder is directly rolled into the shape of the rim through rolling equipment, and finally, the finished rim is obtained through some anticorrosion and antirust treatments.
In the rolling process, the final product is not in a regular round shape when being formed, so the final product needs to be shaped, the existing shaping is mainly finished by manually knocking, time and labor are consumed, shaping failure is easy to occur, the final product can only be scrapped, and the final product is treated as scrap iron.
Disclosure of Invention
Aiming at the technical problems of the shaping of the products which fail in the rolling process, the invention provides the rim shaping equipment for producing the automobile rim, which has the advantages of reasonable design, simple structure, convenient processing and effective shaping.
In order to achieve the purpose, the technical scheme adopted by the invention is that the invention provides rim shaping equipment for producing an automobile rim, which comprises a frame and a shaping assembly arranged on the frame, wherein the shaping assembly comprises a shaping motor with a power end arranged vertically upwards and a fixed seat arranged at the power end of the shaping motor, a shaping oil cylinder is horizontally arranged on the fixed seat, a shaping block is connected with the power end of the shaping oil cylinder, the shaping assembly also comprises a clamping mechanism wrapped outside the fixed seat, the clamping mechanism comprises an upper clamping unit and a lower clamping unit which are arranged up and down, the lower clamping unit comprises a fixed barrel wrapped outside the shaping motor, an opening of the fixed barrel is arranged downwards, the power end of the shaping motor penetrates through the top of the fixed barrel, an inner wall clamping block is arranged on the side wall of the fixed barrel, one surface of the inner wall clamping block, far away from the fixed barrel, is attached to the lower end of the inner surface of the rim, still be provided with the outer wall grip block with inner wall grip block matched with in the frame, the one end that the inner wall grip block was kept away from to the outer wall grip block is provided with the centre gripping hydro-cylinder, the centre gripping hydro-cylinder is fixed in the frame, the outer wall grip block is the even periphery at the rim of distribution of annular, it is including setting up at the peripheral moulding arc piece of rim to go up the centre gripping unit, moulding arc piece is the periphery that the annular distributes at the rim, constitute ring shape setting between the moulding arc piece, the one end that shaping block was kept away from to moulding arc piece is provided with moulding hydro-cylinder, moulding hydro-cylinder is fixed in the frame, moulding hydro-cylinder's one side and the first end laminating setting of rim surface are kept away from to moulding arc piece, shaping hydro-cylinder's one side and the first end laminating setting of rim internal surface are kept away from to shaping block.
Preferably, the height of the inner wall clamping block is not more than one third of the height of the wheel rim.
Preferably, the fixed barrel is provided with four inner wall clamping blocks, and the included angle between every two adjacent inner wall clamping blocks is 90 degrees.
Preferably, a sliding groove used for sliding of the shaping arc block and the outer wall clamping block is formed in the rack, and guide strips are arranged on the side walls of the shaping arc block and the outer wall clamping block.
Preferably, an electric heating device is arranged on the shaping arc block.
Preferably, the fixed seat is provided with an upper shaping oil cylinder and a lower shaping oil cylinder, and power ends of the two shaping oil cylinders respectively belong to the upper end and the lower end of the shaping block.
Compared with the prior art, the invention has the advantages and positive effects that,
1. the invention provides rim shaping equipment for automobile rim production, which realizes the segmented shaping of unqualified rims by utilizing the matching arrangement of a shaping assembly and a clamping mechanism, thereby improving the shaping success rate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic structural view of a rim shaping apparatus for producing an automobile rim, provided in embodiment 1;
fig. 2 is a schematic structural diagram of a shaping component provided in embodiment 1;
fig. 3 is a schematic structural view of an upper clamping unit provided in embodiment 1;
fig. 4 is a schematic structural view of a lower clamping unit provided in embodiment 1;
FIG. 5 is a schematic view showing the structure between the upper clamping unit and the shaping block provided in example 1;
in the above figures, 1, a frame; 11. a sliding groove; 2. shaping the motor; 21. a fixed seat; 22. shaping the oil cylinder; 23. shaping blocks; 3. an upper clamping unit; 31. shaping an arc block; 311. an electric heating device; 32. shaping an oil cylinder; 4. a lower clamping unit; 41. fixing the barrel; 42. an inner wall clamping block; 43. an outer wall clamping block; 44. and clamping the oil cylinder.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The plastic subassembly that this embodiment provided includes the vertical plastic motor 2 that sets up of power end and sets up the fixing base 21 at plastic motor 2 power end, the level is provided with plastic hydro-cylinder 22 on fixing base 21, thus, under plastic motor 2's effect, plastic hydro-cylinder 22 can rotate, power end at plastic hydro-cylinder 22 is connected with shaping block 23, like this, if the wheel hub suit that will need the plastic is outside shaping block 23, because the rotation of plastic motor 2 and the slow stretching out of plastic hydro-cylinder 22, can warp wheel hub's shape gradually, until the finished product. In this embodiment, both ends of the hydraulic cylinder are extended from the fixing base 21, and this is provided to give a longer expansion amount to the shaping block 23 to ensure that different inferior products can be handled. The central angle of the shaping block 23 is preferably 5 to 10 degrees. The thickness can ensure the quality of the shaping block 23, and the shaping effect is not influenced by too large thickness.
For this reason, in order to better clamp the wheel hub, in this embodiment, the shaping assembly further includes a clamping mechanism wrapped outside the fixing seat 21, and the main purpose of the clamping mechanism is to fix the wheel hub to be shaped. In consideration of the shaping difficulty, in order to ensure the shaping success rate, in this embodiment, a segmented shaping method is adopted to shape the spoke, specifically, the spoke is divided into an upper segment and a lower segment, and half of the spoke is shaped. For this purpose, the clamping mechanism provided in this embodiment includes an upper clamping unit 3 and a lower clamping unit 4 which are arranged up and down, where the lower clamping unit 4 includes a fixed barrel 41 wrapped outside the shaping motor 2, and in this embodiment, the section of the fixed barrel is in a shape of a Chinese character 'tu', where the lower half of the fixed barrel has two purposes, one is to form a base for placing the wheel hub, and the other is to protect the shaping motor 2. For this reason, the opening of fixed bucket 41 sets up down, the power end of plastic motor 2 runs through the top setting of fixed bucket 41, be provided with inner wall grip block 42 on the lateral wall of fixed bucket 41, inner wall grip block 42 sets up the first half at the fixed bucket, know through knowing current steel wheel hub, can know that the diameter in the middle of current steel wheel hub is less than the diameter of both sides, it is symmetrical structure, for this reason, the one side of keeping away from fixed bucket 41 at inner wall grip block 42 is laminated with the lower extreme of rim internal surface and is set up, in order not to influence the rotation plastic of shaping piece 23, the height of inner wall grip block 42 is no longer than the third of rim height, in this embodiment, be the third of rim height. Thus, the rotation of the shaping block 23 does not touch the inner wall holding block 42.
Because the inner wall clamping block 42 supports the inner wall of the lower half part of the rim, for this reason, an outer wall clamping block 43 matched with the inner wall clamping block 42 is further arranged on the frame 1, a clamping oil cylinder 44 is arranged at one end of the outer wall clamping block 43 far away from the inner wall clamping block 42, the clamping oil cylinder 44 is fixed on the frame 1, the outer wall clamping block 43 is uniformly distributed on the periphery of the rim in an annular shape, in the embodiment, 4 outer wall clamping blocks 43 are arranged, the arc length of the outer wall clamping block 43 is larger than that of the inner wall clamping block 42, wherein, the central angle of the inner wall clamping block 42 is 5-10 degrees, and the arc length of the outer wall clamping block 43 is 10-20 degrees, thus, the purpose of the arrangement is mainly considered that the hub needing to be shaped has certain deformation, if the hub is completely clamped, the hub can not be placed in the lower clamping unit 4, and the arc length of the inner wall clamping block 42 is smaller, the clamping is convenient.
In order to ensure the stability of the movement of the shaping arc block 31 and the outer wall clamping block 43, in this embodiment, a sliding groove 11 for the sliding of the shaping arc block 31 and the outer wall clamping block 43 is provided on the frame 1, and guide strips are provided on the side walls of the shaping arc block 31 and the outer wall clamping block 43.
In order to facilitate the shaping of the shaping block 23, an electric heating device 311 is provided on the shaping arc block 31. Specifically, a shaping electrode is arranged in the shaping arc block 31, and the shaping electrode is exposed on one surface of the shaping arc block 31 close to the wheel rim. An electrified core rod is arranged on the shaping electrode and extends into the shaping electrode, in order to ensure safety, an insulating sleeve is sleeved on the exposed part of the electrified core rod, and the insulating sleeve is made of Al2O3A ceramic sleeve made of high-temperature-resistant insulating material for protecting the energized core rod, and an insulating plate made of Al and arranged around the shaping electrode for protecting the shaping electrode2O3The shaping electrode is made of ceramic materials and isolated from the shaping arc block 31. Of course, other electric heating modes can be adopted, and the electric heating assembly belongs to the existing mature technology, so that the description is not added, and in the case of heating, better deformation is realized, and the shaping speed and efficiency are improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (6)
1. A rim shaping device for automobile rim production is characterized by comprising a rack and a shaping assembly arranged on the rack, wherein the shaping assembly comprises a shaping motor with a power end vertically arranged upwards and a fixing seat arranged at the power end of the shaping motor, a shaping oil cylinder is horizontally arranged on the fixing seat, the power end of the shaping oil cylinder is connected with a shaping block, the shaping assembly further comprises a clamping mechanism wrapped outside the fixing seat, the clamping mechanism comprises an upper clamping unit and a lower clamping unit which are arranged up and down, the lower clamping unit comprises a fixed barrel wrapped outside the shaping motor, the opening of the fixed barrel is arranged downwards, the power end of the shaping motor penetrates through the top of the fixed barrel, an inner wall clamping block is arranged on the side wall of the fixed barrel, one surface of the inner wall clamping block, which is far away from the fixed barrel, is attached to the lower end of the inner surface of a rim, still be provided with the outer wall grip block with inner wall grip block matched with in the frame, the one end that the inner wall grip block was kept away from to the outer wall grip block is provided with the centre gripping hydro-cylinder, the centre gripping hydro-cylinder is fixed in the frame, the outer wall grip block is the even periphery at the rim of distribution of annular, it is including setting up at the peripheral moulding arc piece of rim to go up the centre gripping unit, moulding arc piece is the periphery that the annular distributes at the rim, constitute ring shape setting between the moulding arc piece, the one end that shaping block was kept away from to moulding arc piece is provided with moulding hydro-cylinder, moulding hydro-cylinder is fixed in the frame, moulding hydro-cylinder's one side and the first end laminating setting of rim surface are kept away from to moulding arc piece, shaping hydro-cylinder's one side and the first end laminating setting of rim internal surface are kept away from to shaping block.
2. The apparatus of claim 1, wherein the height of the inner wall block is not more than one third of the height of the rim.
3. The rim shaping apparatus for producing automobile rims as claimed in claim 2, wherein the fixing barrel is provided with four inner wall clamping blocks, and an included angle between adjacent inner wall clamping blocks is 90 °.
4. The rim shaping device for the production of the automobile rim as claimed in claim 3, wherein the frame is provided with a sliding groove for sliding the shaping arc block and the outer wall clamping block, and the side walls of the shaping arc block and the outer wall clamping block are provided with guide strips.
5. The rim shaping device for producing the automobile rim as claimed in claim 4, wherein the shaping arc block is provided with an electric heating device.
6. The rim shaping device for the production of the automobile rim as claimed in claim 5, wherein the fixing seat is provided with an upper shaping cylinder and a lower shaping cylinder, and power ends of the two shaping cylinders respectively belong to an upper end and a lower end of the shaping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210145775.2A CN114433665B (en) | 2022-02-17 | 2022-02-17 | Rim shaping equipment for automobile rim production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210145775.2A CN114433665B (en) | 2022-02-17 | 2022-02-17 | Rim shaping equipment for automobile rim production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114433665A true CN114433665A (en) | 2022-05-06 |
| CN114433665B CN114433665B (en) | 2024-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210145775.2A Active CN114433665B (en) | 2022-02-17 | 2022-02-17 | Rim shaping equipment for automobile rim production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114433665B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116586498A (en) * | 2023-07-14 | 2023-08-15 | 江苏泽润新能科技股份有限公司 | New energy automobile battery tray shaping device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000280042A (en) * | 1999-03-31 | 2000-10-10 | Topy Ind Ltd | Method and device for restoring vehicle wheel rim |
| CN204866932U (en) * | 2015-08-17 | 2015-12-16 | 济南新立新机器制造有限公司 | Automatic section straightening of hub |
| CN106994485A (en) * | 2017-06-08 | 2017-08-01 | 宁波路威汽车轮业有限公司 | A kind of hub trimming die tool |
| CN109909326A (en) * | 2019-04-29 | 2019-06-21 | 中信戴卡股份有限公司 | A kind of rim for automobile wheel orthopedic appliance |
| CN110814197A (en) * | 2019-11-25 | 2020-02-21 | 中信戴卡股份有限公司 | Aluminum alloy wheel school shape equipment |
| CN210360100U (en) * | 2019-06-03 | 2020-04-21 | 襄阳恒德汽车配件有限公司 | Aluminum alloy wheel hub shaping device |
| CN212190691U (en) * | 2020-04-30 | 2020-12-22 | 泉州市宏山工程机械有限公司 | High-quality durable precision plane shaping die for tension pulley |
| CN112517678A (en) * | 2020-11-29 | 2021-03-19 | 湖南省品源机械制造有限公司 | Shaping system for internal and external machining of vehicle hub |
| CN213103871U (en) * | 2020-06-09 | 2021-05-04 | 辽阳富顺科技有限公司 | Orthopedic device of metal cylinder |
| CN214053438U (en) * | 2020-11-24 | 2021-08-27 | 苏州坤立机械制造有限公司 | Automatic clamp for automatically shaping stamping part |
| CN214488363U (en) * | 2020-12-09 | 2021-10-26 | 中信戴卡股份有限公司 | Wheel school shape equipment |
| CN214683712U (en) * | 2021-03-17 | 2021-11-12 | 长春工业大学 | Riveting-shaping-stretching integrated device |
-
2022
- 2022-02-17 CN CN202210145775.2A patent/CN114433665B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000280042A (en) * | 1999-03-31 | 2000-10-10 | Topy Ind Ltd | Method and device for restoring vehicle wheel rim |
| CN204866932U (en) * | 2015-08-17 | 2015-12-16 | 济南新立新机器制造有限公司 | Automatic section straightening of hub |
| CN106994485A (en) * | 2017-06-08 | 2017-08-01 | 宁波路威汽车轮业有限公司 | A kind of hub trimming die tool |
| CN109909326A (en) * | 2019-04-29 | 2019-06-21 | 中信戴卡股份有限公司 | A kind of rim for automobile wheel orthopedic appliance |
| CN210360100U (en) * | 2019-06-03 | 2020-04-21 | 襄阳恒德汽车配件有限公司 | Aluminum alloy wheel hub shaping device |
| CN110814197A (en) * | 2019-11-25 | 2020-02-21 | 中信戴卡股份有限公司 | Aluminum alloy wheel school shape equipment |
| CN212190691U (en) * | 2020-04-30 | 2020-12-22 | 泉州市宏山工程机械有限公司 | High-quality durable precision plane shaping die for tension pulley |
| CN213103871U (en) * | 2020-06-09 | 2021-05-04 | 辽阳富顺科技有限公司 | Orthopedic device of metal cylinder |
| CN214053438U (en) * | 2020-11-24 | 2021-08-27 | 苏州坤立机械制造有限公司 | Automatic clamp for automatically shaping stamping part |
| CN112517678A (en) * | 2020-11-29 | 2021-03-19 | 湖南省品源机械制造有限公司 | Shaping system for internal and external machining of vehicle hub |
| CN214488363U (en) * | 2020-12-09 | 2021-10-26 | 中信戴卡股份有限公司 | Wheel school shape equipment |
| CN214683712U (en) * | 2021-03-17 | 2021-11-12 | 长春工业大学 | Riveting-shaping-stretching integrated device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116586498A (en) * | 2023-07-14 | 2023-08-15 | 江苏泽润新能科技股份有限公司 | New energy automobile battery tray shaping device |
| CN116586498B (en) * | 2023-07-14 | 2023-09-08 | 江苏泽润新能科技股份有限公司 | New energy automobile battery tray shaping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114433665B (en) | 2024-04-16 |
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