CN213278162U - Hot pressing shaping equipment of lithium cell group - Google Patents
Hot pressing shaping equipment of lithium cell group Download PDFInfo
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- CN213278162U CN213278162U CN202022582565.9U CN202022582565U CN213278162U CN 213278162 U CN213278162 U CN 213278162U CN 202022582565 U CN202022582565 U CN 202022582565U CN 213278162 U CN213278162 U CN 213278162U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
Abstract
The utility model discloses a hot pressing plastic equipment of lithium cell group, concretely relates to group battery processing technology field, including workstation, the hot pressing platform of installing on the workstation and the hot pressboard that is located hot pressing bench top liftable, the hot pressing head has set firmly on the hot pressboard diapire, the hot pressboard top is equipped with the backup pad of installing on the workstation, install the hydraulic pressure lift jar that provides power for the hot pressboard goes up and down in the backup pad, the electric core groove has been seted up on the hot pressing bench, the vacuum tube that has one end and electric core inslot portion to communicate runs through on the hot pressing bench, hot pressing platform one side is equipped with the evacuating device of installing on the workstation. The utility model discloses can realize eliminating the diaphragm fold, catch up out the inside air of electric core, make diaphragm and positive negative pole piece close paste individual together, shorten lithium ion diffusion distance, reduce the battery internal resistance, improve lithium ion battery's roughness, make electric core thickness meet the demands and have high uniformity.
Description
Technical Field
The utility model relates to a group battery processing technology field, more specifically say, the utility model relates to a hot pressing plastic equipment of lithium cell group.
Background
In the production process of the lithium ion battery, after pole pieces are produced, the positive pole piece, the negative pole piece and the diaphragm are assembled and manufactured in a winding or lamination mode to form a basic battery cell.
No matter in winding or in the Z-type lamination, certain tension must be applied to the diaphragm to ensure the regularity among the positive plate, the diaphragm and the negative plate, however, the tension in the process can cause the diaphragm to be elongated in the tape running direction, and the shrinkage of the diaphragm in the tape running direction is large, so that the diaphragm can seriously extrude the plate, and thus after the cell assembling process, especially the winding process, the cell deforms, and the deformed cell has poor appearance flatness and also has the defects of diaphragm wrinkles and the like inside.
This leads to quality problems such as low capacity, poor cycle performance, and rapid self-discharge, especially for thicker wound cells, and the problem of deformation after winding is particularly significant. In addition, the thickness consistency of the loose battery core is poor, which can affect the battery core casing process, increase the difficulty of the casing process, and even cause the damage of the battery core during casing. Therefore, the battery core needs to be shaped by hot pressing.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme: a hot-pressing shaping device of a lithium battery pack comprises a workbench, a hot-pressing platform arranged on the workbench and a hot-pressing plate which is positioned above the hot-pressing platform and can be lifted, the bottom wall of the hot pressing plate is fixedly provided with a hot pressing head, a supporting plate arranged on the workbench is arranged above the hot pressing plate, a hydraulic lifting cylinder for providing power for lifting the hot pressing plate is arranged on the supporting plate, a core groove is arranged on the hot pressing platform, a vacuum tube with one end communicated with the interior of the cell slot penetrates through the hot-pressing platform, one side of the hot-pressing platform is provided with a vacuum pumping device arranged on the workbench, the vacuum tube is connected with a vacuum pumping device through a telescopic pipeline, the bottom wall of the hot pressing plate is also provided with a hot pressing sealing mechanism, the hot-pressing sealing mechanism is located on the periphery of the hot-pressing head and seals the space inside the battery cell groove when the hot-pressing head is pressed inside the battery cell groove.
In a preferred embodiment, a plurality of support rods are fixedly arranged between the edges of the two sides of the support plate and the workbench, a plurality of limiting tubes are further fixed on the surface of the support plate, limiting rods are inserted into the limiting tubes, and the bottom ends of the limiting rods penetrate through the support plate downwards and are fixedly connected with the hot pressing plate.
In a preferred embodiment, the output shaft of the hydraulic lifting cylinder penetrates downwards through the support plate to be fixedly connected with the hot press plate.
In a preferred embodiment, the hot-pressing sealing mechanism comprises a plurality of electric push rods fixedly arranged on the hot-pressing plate and a plurality of cover plates attached to the side wall of the hot-pressing head, a sealing plate is fixedly arranged at the end part of an output shaft of the electric push rods, and a sealing rubber gasket is arranged on the outer wall of one side, close to the cover plate, of the sealing plate.
In a preferred embodiment, the outer wall of the cover plate on the side close to the sealing rubber gasket and the outer wall of the hot-pressing platform are positioned on the same plane.
In a preferred embodiment, the pipeline is externally sleeved with a clip for fixing, and the clip is detachably mounted on the outer wall of the support rod.
In a preferred embodiment, the bottom parts of two sides of the hot-pressing table are respectively provided with a fixing plate for installation, and a mounting screw penetrates through the fixing plate and is downwards inserted into the workbench.
The utility model discloses a technological effect and advantage:
1. the utility model can eliminate the diaphragm wrinkles and expel the air in the battery cell, so that the diaphragm and the positive and negative pole pieces are closely attached together, the lithium ion diffusion distance is shortened, and the internal resistance of the battery is reduced;
2. the flatness of the lithium ion battery can be improved, and the thickness of the battery cell meets the requirement and has high consistency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a detailed structure of the position a in fig. 1 according to the present invention.
The reference signs are: 1 workbench, 2 hot pressing tables, 3 hot pressing plates, 4 hot pressing heads, 5 supporting plates, 6 hydraulic lifting cylinders, 7 electric core grooves, 8 vacuum tubes, 9 vacuumizing devices, 10 hot pressing sealing mechanisms, 11 supporting rods, 12 limiting tubes, 13 limiting rods, 14 electric push rods, 15 cover plates, 16 sealing plates, 17 sealing rubber pads, 18 buckling clamps and 19 fixing plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
As shown in fig. 1-2, the hot-pressing shaping device for a lithium battery pack comprises a workbench 1, a hot-pressing table 2 mounted on the workbench 1, and a hot-pressing plate 3 which is located above the hot-pressing table 2 and can be lifted, wherein a hot-pressing head 4 is fixedly arranged on the bottom wall of the hot-pressing plate 3, a supporting plate 5 mounted on the workbench 1 is arranged above the hot-pressing plate 3, a hydraulic lifting cylinder 6 for providing power for lifting the hot-pressing plate 3 is mounted on the supporting plate 5, and an output shaft of the hydraulic lifting cylinder 6 penetrates through the supporting plate 5 downwards to be fixedly connected with the hot-pressing plate 3;
during hot pressing, the hydraulic lifting cylinder 6 drives the hot pressing plate 3 to lift, so that the hot pressing head 4 at the bottom of the hot pressing plate 3 carries out hot pressing on the battery cell on the hot pressing table 2;
a battery cell slot 7 is formed in the hot-pressing table 2, and a battery cell is placed in the battery cell slot 7 during hot pressing;
a vacuum tube 8 with one end communicated with the interior of the cell slot 7 penetrates through the hot pressing platform 2, a vacuumizing device 9 arranged on the workbench 1 is arranged on one side of the hot pressing platform 2, the vacuum tube 8 is connected with the vacuumizing device 9 through a telescopic pipeline, a hot pressing sealing mechanism 10 is further arranged on the bottom wall of the hot pressing plate 3, the hot pressing sealing mechanism 10 is located on the periphery of the hot pressing head 4, the hot pressing sealing mechanism 10 seals the space inside the cell slot 7 when the hot pressing head 4 is pressed in the cell slot 7, when the hot pressing head 4 descends into the cell slot 7 to carry out hot pressing on a battery cell, the hot pressing sealing mechanism 10 seals the joint of the hot pressing plate 3 and the hot pressing platform 2, then the vacuumizing device 9 works to generate negative pressure, and air in the cell slot 7 is pumped out through the pipeline and the vacuum tube 8;
when the air is pumped out, the battery cell is subjected to hot pressing by the hot pressing head 4, the air in the battery cell can be extruded out under the action of the force of the hot pressing head and the vacuum pumping device 9, the extruded air can be pumped out to the outside in time, the diaphragm wrinkles can be eliminated, the air in the battery cell can be expelled, the diaphragm and the positive and negative pole pieces are tightly attached together, the lithium ion diffusion distance is shortened, and the internal resistance of the battery is reduced;
after hot pressing and vacuumizing, the flatness of the lithium ion battery can be improved, so that the thickness of the battery cell meets the requirement and has high consistency.
A plurality of support rods 11 are fixedly arranged between the edges of the two sides of the support plate 5 and the workbench 1, a plurality of limiting tubes 12 are further fixed on the surface of the support plate 5, limiting rods 13 are inserted into the limiting tubes 12, the bottom ends of the limiting rods 13 penetrate downwards through the support plate 5 and are fixedly connected with the hot pressing plate 3, the support plates 5 are jacked up by the support rods 11, the limiting tubes 12 and the limiting rods 13 are matched for use, the lifting of the hot pressing head 4 and the hot pressing plate 3 is limited, unnecessary shaking is prevented, and the quality of the hot pressing of the battery cell is improved;
the hot-pressing sealing mechanism 10 comprises a plurality of electric push rods 14 fixedly arranged on the hot-pressing plate 3 and a plurality of cover plates 15 attached to the side walls of the hot-pressing head 4, a sealing plate 16 is fixedly arranged at the end part of an output shaft of the electric push rods 14, a sealing rubber pad 17 is arranged on the outer wall of the sealing plate 16 close to one side of the cover plate 15, and the outer wall of the cover plate 15 close to one side of the sealing rubber pad 17 and the outer wall of the hot-pressing table 2 are positioned on the same plane;
on the basis, after the hot pressing head 4 descends, the hot pressing head 4 presses on the battery cell inside the cell slot 7, the cover plate 15 presses on the surface of the hot pressing table 2, and because the cover plate 15 and the hot pressing table 2 cannot be strictly sealed, the output shaft of the electric push rod 14 pushes the sealing plate 16 to move, so that the sealing rubber pad 17 on the sealing plate 16 is attached to the joint of the cover plate 15 and the hot pressing table 2 to seal the same, and the phenomenon of air pressure leakage can be reduced when the vacuum pumping device 9 performs vacuum pumping, so that the efficiency of extruding air inside the battery cell is improved;
the outside of the pipeline is sleeved with a buckle clamp 18 for fixing, the buckle clamp 18 is detachably arranged on the outer wall of the supporting rod 11, and the pipeline can be well fixed by utilizing the buckle clamp 18 so as not to shake in the hot pressing process;
2 both sides bottoms of hot pressing platform all are equipped with fixed plate 19 that is used for the installation, it has the mounting screw to run through on the fixed plate 19, inside mounting screw pegged graft to workstation 1 downwards, because there is the difference in the specification of product, in order to promote the adaptability of product, avoid apron 15 and hot pressing platform 2 to locate to seal inseparably, adopt the detachable mounting means with hot pressing platform 2, can carry out free change according to the difference of product specification, improved the practicality.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.
Claims (7)
1. The utility model provides a hot pressing plastic equipment of lithium cell group, includes the workstation, installs the hot pressing platform on the workstation and is located the hot pressboard of hot pressing bench top liftable, the hot pressing head has set firmly on the hot pressboard diapire, the hot pressboard top is equipped with the backup pad of installing on the workstation, install in the backup pad and provide the hydraulic pressure lift jar of power, its characterized in that for the hot pressboard goes up and down: the utility model discloses a hot pressing machine, including hot pressing platform, vacuum tube, hot pressing platform, telescopic pipeline, hot pressing mechanism, hot pressing head, hot pressing bench, hot pressing platform.
2. The hot-pressing reshaping device for the lithium battery pack as claimed in claim 1, wherein: a plurality of supporting rods are fixedly arranged between the edges of the two sides of the supporting plate and the workbench, a plurality of limiting pipes are further fixed on the surface of the supporting plate, limiting rods are inserted into the limiting pipes, and the bottom ends of the limiting rods penetrate through the supporting plate and are fixedly connected with the hot pressing plate downwards.
3. The hot-pressing reshaping device for the lithium battery pack as claimed in claim 1, wherein: and an output shaft of the hydraulic lifting cylinder penetrates through the support plate downwards and is fixedly connected with the hot pressing plate.
4. The hot-pressing reshaping device for the lithium battery pack as claimed in claim 1, wherein: the hot-pressing sealing mechanism comprises a plurality of electric push rods fixedly arranged on the hot-pressing plate and a plurality of cover plates attached to the side wall of the hot-pressing head, a sealing plate is fixedly arranged at the end part of an output shaft of each electric push rod, and a sealing rubber pad is arranged on the outer wall, close to one side of the cover plate, of the sealing plate.
5. The lithium battery pack hot-pressing reshaping device as claimed in claim 4, wherein: the outer wall of the cover plate close to one side of the sealing rubber gasket and the outer wall of the hot pressing table are located on the same plane.
6. The hot-pressing reshaping device for the lithium battery pack as claimed in claim 1, wherein: the outside cover of pipeline is equipped with the buckle clamp that is used for fixing, buckle clamp detachable installs on the outer wall of bracing piece.
7. The hot-pressing reshaping device for the lithium battery pack as claimed in claim 1, wherein: the hot pressing platform both sides bottom all is equipped with the fixed plate that is used for the installation, it has the mounting screw to run through on the fixed plate, inside the mounting screw pegs graft to the workstation downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582565.9U CN213278162U (en) | 2020-11-10 | 2020-11-10 | Hot pressing shaping equipment of lithium cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582565.9U CN213278162U (en) | 2020-11-10 | 2020-11-10 | Hot pressing shaping equipment of lithium cell group |
Publications (1)
| Publication Number | Publication Date |
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| CN213278162U true CN213278162U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022582565.9U Active CN213278162U (en) | 2020-11-10 | 2020-11-10 | Hot pressing shaping equipment of lithium cell group |
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| CN (1) | CN213278162U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540626A (en) * | 2021-06-18 | 2021-10-22 | 马梦晨 | Diagonal pressing device for removing wrinkles of cylindrical battery wrapped with kraft paper |
| CN113601147A (en) * | 2021-08-11 | 2021-11-05 | 珠海冠宇电池股份有限公司 | Device and method for processing cover assembly |
| CN114497676A (en) * | 2022-01-17 | 2022-05-13 | 深圳市中基自动化股份有限公司 | Lithium cell production electricity core pan feeding frock clamp |
| CN115295859A (en) * | 2022-09-30 | 2022-11-04 | 苏州佳祺仕信息科技有限公司 | Soft package battery hot-pressing device and method |
| CN116247307A (en) * | 2023-03-17 | 2023-06-09 | 江苏万锂达智能科技有限公司 | Hot-press shaping equipment and process for lithium battery cell |
| CN117219883A (en) * | 2023-11-03 | 2023-12-12 | 惠州市汇恒自动化科技有限公司 | Manufacturing and processing device and method for lithium battery cell |
-
2020
- 2020-11-10 CN CN202022582565.9U patent/CN213278162U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540626A (en) * | 2021-06-18 | 2021-10-22 | 马梦晨 | Diagonal pressing device for removing wrinkles of cylindrical battery wrapped with kraft paper |
| CN113601147A (en) * | 2021-08-11 | 2021-11-05 | 珠海冠宇电池股份有限公司 | Device and method for processing cover assembly |
| CN113601147B (en) * | 2021-08-11 | 2022-10-25 | 珠海冠宇电池股份有限公司 | Device and method for processing cover assembly |
| CN114497676A (en) * | 2022-01-17 | 2022-05-13 | 深圳市中基自动化股份有限公司 | Lithium cell production electricity core pan feeding frock clamp |
| CN115295859A (en) * | 2022-09-30 | 2022-11-04 | 苏州佳祺仕信息科技有限公司 | Soft package battery hot-pressing device and method |
| CN116247307A (en) * | 2023-03-17 | 2023-06-09 | 江苏万锂达智能科技有限公司 | Hot-press shaping equipment and process for lithium battery cell |
| CN116247307B (en) * | 2023-03-17 | 2023-09-19 | 江苏万锂达智能科技有限公司 | Hot-press shaping equipment and process for lithium battery cell |
| CN117219883A (en) * | 2023-11-03 | 2023-12-12 | 惠州市汇恒自动化科技有限公司 | Manufacturing and processing device and method for lithium battery cell |
| CN117219883B (en) * | 2023-11-03 | 2024-01-23 | 惠州市汇恒自动化科技有限公司 | Manufacturing and processing device and method for lithium battery cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211203 Address after: 230000 2F, building 1, Yinrui science and Technology Park, No. 90, Chuangxin Avenue, high tech Zone, Hefei, Anhui Province Patentee after: HEFEI HUAYU SMART POWER ENERGY CO.,LTD. Address before: 334000 Caicheng Automobile Industrial Park, Shangrao economic and Technological Development Zone, Jiangxi Province Patentee before: Shangrao Huayu Zhihang power energy Co.,Ltd. |
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| TR01 | Transfer of patent right |