CN117543064A - Full-automatic production line of new forms of energy battery module - Google Patents
Full-automatic production line of new forms of energy battery module Download PDFInfo
- Publication number
- CN117543064A CN117543064A CN202410023834.8A CN202410023834A CN117543064A CN 117543064 A CN117543064 A CN 117543064A CN 202410023834 A CN202410023834 A CN 202410023834A CN 117543064 A CN117543064 A CN 117543064A
- Authority
- CN
- China
- Prior art keywords
- glue
- storing
- coating
- full
- production line
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 93
- 238000000576 coating method Methods 0.000 claims abstract description 50
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 35
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000003892 spreading Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000243 solution Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 4
- 238000010073 coating (rubber) Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
- B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
- B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
-
- 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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application relates to the technical field of new energy battery module production, in particular to a full-automatic production line of a new energy battery module, which comprises a structural adhesive coating device, and comprises: the fixing frame is used for fixing the battery cell; the gluing component is used for coating the surface of the battery cell with glue; the gluing assembly comprises a plurality of glue coating pipes which are arranged at intervals and pre-storing channels which are correspondingly arranged on the glue coating pipes, a plurality of pre-storing pools are arranged on one side of the pre-storing channels, which faces to the coating surface of the battery cell, along the length direction at intervals, and thrust pieces which independently correspond to the pre-storing pools are arranged on the pre-storing channels. The application has the following effects: the single-point glue feeding mode is adopted, but the glue solution is guided into the pre-storing channel before the glue coating pipe is coated, at least the glue solution is downwards stored in the pre-storing channel, the capacity of the pre-storing channel can ensure that the glue solution amount at least at the position is the same, the glue outlet amount of each glue coating opening is almost the same, and the coating uniformity is greatly improved.
Description
Technical Field
The application relates to the technical field of new energy battery module production, in particular to a full-automatic production line of a new energy battery module.
Background
With the rapid development of new energy automobiles, higher requirements are also put on new energy batteries as core power sources thereof. In the battery pack assembly process of the new energy automobile, a large amount of structural adhesive and heat conducting adhesive are required to be used for fixing the battery cell, wherein the heat conducting adhesive is used for the lower part of the battery cell and the structural adhesive is used for the upper part of the battery cell.
The operation of gluing the coating surface of the battery core through the glue injection device is generally that a glue coating pipe is used for gluing the front surface of the battery core, and a plurality of glue coating openings are formed in the lower side of the glue coating pipe to form a plurality of glue coating points for forming a large-area glue coating effect.
In practical situation, when the single-point glue inlet is redistributed to a plurality of glue inlets through the glue coating pipe, aluminum oxide (70% -85%) is added in the glue for heat conduction in order to achieve better heat dissipation effect, meanwhile, the glue viscosity is sharply increased, the viscosity range (25 ℃) is between 500000 ～ 800000cp according to the proportion of the additive, and the Mohs hardness of the additive aluminum oxide is 9 and is inferior to the hardness of diamond. Therefore, in the flowing process, the situation that the glue amount is different at the part far away from the glue inlet is inevitably generated, and then the different glue amounts are caused in the coating process, so that the heat dissipation effect of the battery module is affected.
Disclosure of Invention
In order to improve the glue quantity uniformity of each glue coating opening when glue is discharged, the application provides a full-automatic production line of a new energy battery module.
The application provides a full-automatic production line of new forms of energy battery module adopts following technical scheme: the utility model provides a full-automatic production line of new forms of energy battery module, includes that structural adhesive coats the device, and it includes: the battery cell is arranged on the fixing frame, so that the battery cell coating surface faces upwards along the vertical direction; the gluing component is used for coating the surface of the battery cell with glue;
the glue spreading assembly comprises a plurality of glue spreading pipes arranged at intervals and pre-storing channels correspondingly arranged on the glue spreading pipes, a plurality of pre-storing pools are arranged on one side of each pre-storing channel, facing to the coating surface of the battery cell, along the length direction at intervals, thrust pieces which independently correspond to the pre-storing pools are arranged on the pre-storing channels and are used for spraying glue solution in the pre-storing pools onto the battery cells.
Through adopting above-mentioned technical scheme, still adopt the mode of single-point advance glue, but in the guide of glue solution to the pre-tank channel before the rubber tube scribbles liquid, divide the glue solution at least downwards to deposit to the pre-tank this moment in, the capacity of pre-tank can guarantee that the glue solution volume at least here is the same, then only release the glue solution in the pre-tank through the effect of thrust piece and spray the coating face of electric core on, can guarantee that the play glue volume of every rubber coating mouth is almost the same, promote the homogeneity of coating greatly.
Preferably, the upper side of the pre-storing pool is provided with an opening and closing piece, and the opening and closing piece is used for closing the upper side of the pre-storing pool so as to enable the inside to be in a quantitative state.
Preferably, the opening and closing piece is including sliding the frame that slides that sets up in the pre-store channel and be located the pre-store upside, set up the elastic diaphragm at the frame middle part that slides, thrust piece is used for contradicting and makes the volume in the elastic diaphragm compression pre-store.
Preferably, the thrust piece comprises a rotating rod rotatably connected in the pre-storing channel and a thrust cam arranged on the rotating rod, and the protruding part of the thrust cam is used for abutting against the elastic membrane and deforming the elastic membrane.
Preferably, the elastic membrane is provided with a metal elastic strip, and the non-convex part of the thrust cam is provided with a magnetic member for adsorbing the metal elastic strip, so as to keep the elastic membrane in a horizontal state.
Preferably, the pre-storing channel is provided with a containing groove for the elastic membrane to slide, and cleaning liquid flows in the containing groove and is used for cleaning residual glue liquid on two sides of the elastic membrane.
Preferably, the underside of the pre-storing channel is provided with a glue coating opening corresponding to the pre-storing pool.
Preferably, two adjacent rows of glue coating openings are arranged in a staggered manner.
In summary, the present application includes at least one of the following beneficial technical effects: the single-point glue feeding mode is adopted, but the glue solution is guided into the pre-storing channel before the glue is coated on the glue coating pipe, at least the glue solution is downwards stored in the pre-storing channel, the capacity of the pre-storing channel can ensure that the glue solution amount at least at the position is the same, then the glue solution in the pre-storing channel is only pushed out and sprayed onto the coating surface of the battery cell through the action of the thrust piece, the glue outlet amount of each glue coating opening can be ensured to be almost the same, and the coating uniformity is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present application;
FIG. 2 is a schematic diagram of the internal structure of a pre-stored channel;
fig. 3 is a top view of the opening and closing member for showing the positional relationship of the metal elastic strip and the thrust cam.
Reference numerals illustrate: 100. a fixing frame; 110. a rubber coating tube; 111. pre-storing a channel; 112. pre-storing a pool; 113. a gluing opening; 121. a sliding frame; 122. an elastic membrane; 123. a metal elastic strip; 130. a receiving groove; 131. a cylinder; 132. a motor; 133. a magnetic member; 141. a rotating lever; 142. a thrust cam; 143. a convex portion.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses full-automatic production line of new forms of energy battery module, refer to fig. 1, 2, including the structure at least and glue coating device, other production line parts are not repeated here, and wherein the structure glues coating device and includes mount 100 and rubber coating subassembly.
The fixing frame 100 is generally mounted on a machine for fixing the battery cell. When the battery cell is arranged on the fixing frame 100, in order to reduce the influence of gravity when the glue solution is conveniently coated, the fixing frame 100 rotates after fixing the battery cell so that the coating surface of the battery cell faces upwards along the vertical direction. Generally, the cells need to be coated in a stacked manner, and after each coating, the fixing frame 100 is correspondingly increased to adapt to the increasing cells.
The gluing component is used for coating glue towards the coating surface of the battery core. The glue spreading assembly comprises a plurality of glue spreading tubes 110 which are arranged at intervals, and pre-storing channels 111 which are correspondingly arranged on the glue spreading tubes 110, wherein the glue spreading assembly is also generally arranged on a machine table and can move at least in the XYZ direction.
Each glue-coating tube 110 is fed with glue from the middle, a pre-storing channel 111 is integrally arranged at the lower side of the glue-coating tube 110, a plurality of openings are arranged at intervals at the lower side of the glue-coating tube 110, and glue solution enters the pre-storing channel 111 through the openings. The pre-storing channels 111 are provided with a plurality of pre-storing pools 112 at intervals along the length direction towards one side of the cell coating surface, and the pre-storing pools 112 are recessed. A glue coating port 113 is arranged at the corresponding lower part of the pre-storing pool 112. And in the embodiment, two adjacent rows of glue coating openings 113 are arranged in a staggered manner.
The upper side of the pre-reservoir 112 is provided with an opening and closing member for closing the upper side of the pre-reservoir 112 so that the inside is in a quantitative state. The opening and closing member comprises a sliding frame 121 which is arranged in the pre-storing channel 111 in a sliding manner and is positioned on the upper side of the pre-storing pool 112, and an elastic membrane 122 which is arranged in the middle of the sliding frame 121. The pre-storing channel 111 is internally provided with a containing groove 130 for the elastic membrane 122 to slide, the containing groove 130 is horizontally arranged, the outer wall of the pre-storing channel 111 is provided with an air cylinder 131 connected to the sliding frame 121, and a piston rod of the air cylinder 131 is connected to the sliding frame 121, so that the elastic membrane 122 can slide. When the glue solution is fed into the pre-storing channel 111, the elastic membrane 122 is located in the accommodating groove 130, and after the glue solution is fed, the elastic membrane 122 closes the upper side of the pre-storing pool 112 through horizontal movement, so that the glue solution amounts in the pre-storing pools 112 are the same.
In order to ensure that the elastic membrane 122 does not affect the amount of glue in the pre-reservoir 112, a cleaning solution flows in the accommodating groove 130 for cleaning the residual glue on both sides of the elastic membrane 122. In practice, after the cleaning is completed, a heat source gas for drying may be introduced into the interior to realize drying.
In order to push out the glue solution after the quantitative determination, a pushing piece corresponding to the single pre-reservoir 112 is disposed on the pre-reservoir channel 111, so as to spray the glue solution in the pre-reservoir 112 onto the battery cell. The thrust piece acts to interfere with and cause the elastic membrane 122 to compress the volume within the reservoir 112.
Referring to fig. 2 and 3, the thrust member includes a rotating lever 141 rotatably coupled in the pre-storing channel 111, and a thrust cam 142 provided on the rotating lever 141, and a convex portion 143 of the thrust cam 142 is adapted to abut against and deform the elastic membrane 122. A motor 132 is further installed on the outer wall of the pre-storing channel 111, and is used for connecting the end of the rotating rod 141, so that the thrust cam 142 rotates.
Since the elastic membrane 122 is soft, and when the pre-reservoir 112 is closed, there is still a lot of glue amount on the upper side, the elastic membrane 122 may collapse, which affects the glue injection effect. Therefore, in the present embodiment, the metal elastic strips 123 are fixedly disposed on the upper side of the elastic membrane 122, and the metal elastic strips 123 are disposed on the elastic membrane 122 in a concentric arrangement, and in order to maintain the horizontal state of the elastic membrane 122, the magnetic members 133 for attracting the metal elastic strips 123 are disposed on the non-protruding portions 143 of the thrust cam 142, so as to maintain the horizontal state of the elastic membrane 122.
The magnetic member 133 is disposed at a position where the metal elastic bar 123 can be attracted when the rotating rod 141 is in the original state. This enables the elastic membrane 122 to form a suction guide when the elastic membrane 122 is slid in, so that the elastic membrane 122 is kept horizontal. When the glue is pushed, the elastic membrane 122 is mainly acted by the pushing cam 142, so that the adsorption is separated, the elastic membrane 122 is sunken downwards, the inner volume of the pre-reservoir 112 is reduced, the glue is pushed out, the quantitative glue outlet amount is formed, and a uniform glue coating effect can be formed on the coating surface of the battery cell.
The specific steps of the embodiment are as follows: firstly, the battery cell is fixed on the fixing frame 100, so that the surface of the battery cell is upward, and the subsequent gluing is facilitated. At this time, the glue is fed into the glue coating pipe 110, and the whole is moved to the upper side of the battery cell synchronously.
In the process of injecting glue, the glue solution will enter the pre-storing channel 111 and then move downwards into the pre-storing pool 112, and when the injection amount is enough, at least the glue solution in the pre-storing pool 112 is in a state of full, so that the elastic rice husks move horizontally, and the upper side of the pre-storing pool 112 is closed. At this time, the metal elastic bar 123 is attracted by the non-convex portion 143 of the thrust cam 142, maintaining a horizontal state.
At this time, the glue solution amounts in the pre-reservoirs 112 are the same, and then the rotating rod 141 rotates, the protruding portion 143 of the thrust cam 142 will abut against the elastic membrane 122, so that the elastic membrane 122 is recessed downward to reduce the volume of the lower side, so that the glue solution can be pushed out through the glue coating openings 113, and the glue outlet amounts of each glue coating opening 113 are the same, so as to form good uniformity. In the subsequent assembly process, after the other battery cell contacts with the gluing surface, glue points which are arranged in a staggered way are evenly spread outwards, and the battery cells can be mutually matched and embedded to form a complete plane.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A full-automatic production line of new forms of energy battery module, its characterized in that: including the coating device of structural adhesive, it includes: the battery cell fixing device comprises a fixing frame (100) for fixing a battery cell, wherein the battery cell is arranged on the fixing frame (100) so that a battery cell coating surface faces upwards along the vertical direction; the gluing component is used for coating the surface of the battery cell with glue;
the glue spreading assembly comprises a plurality of glue spreading pipes (110) arranged at intervals and pre-storing channels (111) correspondingly arranged on the glue spreading pipes (110), a plurality of pre-storing pools (112) are arranged on one side of the pre-storing channels (111) towards the coating surface of the battery core at intervals along the length direction, and thrust pieces which individually correspond to the pre-storing pools (112) are arranged on the pre-storing channels (111) and are used for spraying glue solution in the pre-storing pools (112) onto the battery core.
2. The full-automatic production line of new energy battery modules according to claim 1, wherein: the upper side of the pre-storing pool (112) is provided with an opening and closing piece, and the opening and closing piece is used for closing the upper side of the pre-storing pool (112) so that the inside is in a quantitative state.
3. The full-automatic production line of new energy battery modules according to claim 2, wherein: the opening and closing piece is including sliding frame (121) that sets up in pre-store channel (111) and be located pre-store pond (112) upside, setting up elastic diaphragm (122) at the frame (121) middle part that slides, thrust piece is used for contradicting and makes elastic diaphragm (122) compress the volume in pre-store pond (112).
4. The full-automatic production line of new energy battery modules according to claim 3, wherein: the thrust piece comprises a rotating rod (141) rotatably connected in the pre-storing channel (111) and a thrust cam (142) arranged on the rotating rod (141), wherein a convex part (143) of the thrust cam (142) is used for abutting against the elastic membrane (122) and deforming the elastic membrane.
5. The full-automatic production line of new energy battery modules according to claim 4, wherein: the elastic membrane (122) is provided with a metal elastic strip (123), and a magnetic force piece (133) for adsorbing the metal elastic strip (123) is arranged on the non-convex part (143) of the thrust cam (142) and is used for keeping the elastic membrane (122) in a horizontal state.
6. The full-automatic production line of new energy battery modules according to claim 5, wherein: the pre-storing channel (111) is internally provided with a containing groove (130) for the elastic membrane (122) to slide, and cleaning liquid is filled in the containing groove (130) and used for cleaning residual glue liquid on two sides of the elastic membrane (122).
7. The full-automatic production line of new energy battery modules according to claim 6, wherein: the underside of the pre-storing channel (111) is provided with a gluing opening (113) corresponding to the pre-storing pool (112).
8. The full-automatic production line of new energy battery modules according to claim 7, wherein: the adjacent two rows of glue coating openings (113) are arranged in a staggered way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410023834.8A CN117543064B (en) | 2024-01-08 | 2024-01-08 | Full-automatic production line of new forms of energy battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410023834.8A CN117543064B (en) | 2024-01-08 | 2024-01-08 | Full-automatic production line of new forms of energy battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117543064A true CN117543064A (en) | 2024-02-09 |
| CN117543064B CN117543064B (en) | 2024-04-02 |
Family
ID=89782653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410023834.8A Active CN117543064B (en) | 2024-01-08 | 2024-01-08 | Full-automatic production line of new forms of energy battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117543064B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2397231A1 (en) * | 2010-06-18 | 2011-12-21 | Focke & Co. (GmbH & Co. KG) | Method and device for applying glue to blanks |
| CN102449359A (en) * | 2009-05-25 | 2012-05-09 | 佛克有限及两合公司 | Valve, particularly glue valve |
| CN108095197A (en) * | 2018-01-03 | 2018-06-01 | 云南中烟工业有限责任公司 | A kind of electronic cigarette with MEMS micropump |
| CN216311881U (en) * | 2021-08-14 | 2022-04-15 | 深圳市云海电子辅料有限公司 | Production equipment for back glue with detachable battery |
| CN114551969A (en) * | 2022-03-21 | 2022-05-27 | 烟台工程职业技术学院(烟台市技师学院) | Automatic rubber coating equipment of lithium cell heat-conducting plate |
| CN217432144U (en) * | 2022-06-22 | 2022-09-16 | 河南锂动电源有限公司 | Lithium battery glue spreader |
| CN116487720A (en) * | 2023-05-12 | 2023-07-25 | 合肥学院 | Self-adaptive clamping device for flexible production line of electric automobile power battery |
-
2024
- 2024-01-08 CN CN202410023834.8A patent/CN117543064B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102449359A (en) * | 2009-05-25 | 2012-05-09 | 佛克有限及两合公司 | Valve, particularly glue valve |
| EP2397231A1 (en) * | 2010-06-18 | 2011-12-21 | Focke & Co. (GmbH & Co. KG) | Method and device for applying glue to blanks |
| CN108095197A (en) * | 2018-01-03 | 2018-06-01 | 云南中烟工业有限责任公司 | A kind of electronic cigarette with MEMS micropump |
| CN216311881U (en) * | 2021-08-14 | 2022-04-15 | 深圳市云海电子辅料有限公司 | Production equipment for back glue with detachable battery |
| CN114551969A (en) * | 2022-03-21 | 2022-05-27 | 烟台工程职业技术学院(烟台市技师学院) | Automatic rubber coating equipment of lithium cell heat-conducting plate |
| CN217432144U (en) * | 2022-06-22 | 2022-09-16 | 河南锂动电源有限公司 | Lithium battery glue spreader |
| CN116487720A (en) * | 2023-05-12 | 2023-07-25 | 合肥学院 | Self-adaptive clamping device for flexible production line of electric automobile power battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117543064B (en) | 2024-04-02 |
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