CN109888185B - Lithium battery cell positive and negative pole lamination quick compression device - Google Patents
Lithium battery cell positive and negative pole lamination quick compression device Download PDFInfo
- Publication number
- CN109888185B CN109888185B CN201910146748.5A CN201910146748A CN109888185B CN 109888185 B CN109888185 B CN 109888185B CN 201910146748 A CN201910146748 A CN 201910146748A CN 109888185 B CN109888185 B CN 109888185B
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- China
- Prior art keywords
- pressing
- needle
- driving piece
- lifting
- rotary
- Prior art date
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Links
- 238000003475 lamination Methods 0.000 title claims abstract description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- 230000006835 compression Effects 0.000 title claims description 13
- 238000007906 compression Methods 0.000 title claims description 13
- 238000003825 pressing Methods 0.000 claims abstract description 134
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000005056 compaction Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- Secondary Cells (AREA)
Abstract
The application discloses positive and negative pole lamination quick compaction device of lithium cell electricity core, include: a work table; the needle pressing mechanisms comprise a needle pressing, a rotary driving piece, a lifting driving piece and pressure and position sensors. The pressing needle is arranged on the rotary driving piece, and the rotary driving piece is arranged on the lifting driving piece; the pressing needle is provided with a pressing part capable of pressing the cell lamination, the rotary driving piece is used for driving the pressing part of the pressing needle to be screwed in and out of a working position above the working table, and the lifting driving piece is used for driving the pressing part of the pressing needle to move up and down. The device can exit the working position above the workbench by only rotating a certain angle and lifting a certain distance, so that the efficiency of entering and exiting the working position of the needle is improved, and the time of entering and exiting the working position is shortened. In addition, the pressure and position sensor can display the pressure and position of the pressing needle during pressing down, and can effectively adjust the rotating and lifting assembly, so that stable and reliable technological parameters are provided for the lamination pressing procedure.
Description
Technical Field
The application relates to lithium battery manufacturing equipment, in particular to a lithium battery cell positive and negative pole lamination rapid compression device.
Background
When the lithium ion battery cell lamination procedure is manufactured, when a lamination table stacks one pole piece, a pressing needle is needed to press the pole piece so as to prevent the pole piece from shifting.
The pressing needle mechanism in the prior art realizes the pressing of the pressing needle through linear movement and lifting movement, wherein the pressing needle moves in a plane linearly, the pressing needle moves linearly to enter or exit a working position, the pressing needle lifts and lowers to realize the pressing and the upward movement to exit, namely, the pressing and the exiting of the pressing needle are realized through the linear movement and the lifting movement. Because of a plurality of pressing needles, the entering and exiting procedures of linear movement and lifting are complicated, and the production efficiency is low.
Disclosure of Invention
The application provides a high-efficiency and pressure-accurately-controllable quick compressing device for positive and negative electrode lamination of a lithium battery cell.
An embodiment provides a lithium battery cell positive, negative pole lamination quick compression device, includes:
the workbench is used for stacking positive and negative plates of the lithium battery;
the needle pressing mechanisms comprise a needle pressing, a rotary driving piece and a lifting driving piece, the needle pressing is arranged on the rotary driving piece, and the rotary driving piece is arranged on the lifting driving piece; or the pressing needle is arranged on the lifting driving piece, and the lifting driving piece is arranged on the rotating driving piece; the pressing needle is provided with a pressing part, the rotary driving piece is used for driving the pressing part of the pressing needle to be screwed in and out of a working position above the working table, and the lifting driving piece is used for driving the pressing part of the pressing needle to move up and down.
Further, the two ends of the pressing needle are pressing parts, the middle part is a mounting part, and the mounting part of the pressing needle is mounted on the rotary driving part or the lifting driving part.
In other embodiments, one end of the pressing needle is a pressing part, and the other end is a mounting part, and the mounting part of the pressing needle is mounted on the rotary driving piece or the lifting driving piece.
Further, the rotary driving member has an output end for rotary output, and the presser finger is mounted on the output end of the rotary driving member.
Further, the lifting driving piece comprises a lifting mechanism and a fixed plate, the lifting mechanism is fixed on the fixed plate, and the output end of the lifting mechanism is connected with the rotary driving piece.
Further, the needle pressing mechanisms are four and are respectively arranged at four corners close to the workbench.
In other embodiments, the lithium battery cell positive and negative lamination rapid compression device further comprises a frame, and the workbench and the needle pressing mechanism are respectively installed on the frame.
In other embodiments, the device further comprises a controller in signal connection with the rotary driving piece and the lifting driving piece for controlling the rotary driving piece and the lifting driving piece to drive the rotary and lifting of the pressing needle.
The pressure sensor is connected with the pressure needle and used for detecting the downward pressure of the pressure needle, and the position sensor is used for detecting the position of the pressure needle pressing part pressing piece.
According to the quick pressing device for the positive electrode lamination and the negative electrode lamination of the lithium battery cell, the needle pressing mechanism comprises the rotary driving piece and the lifting driving piece, the rotary driving piece is used for driving the pressing part of the pressing needle to be screwed in and out of the working position above the working table, the linear movement in the prior art is changed into rotary movement, and the pressing needle can exit the working position above the working table only by rotating by a certain angle due to the design of the rotary mode, so that the efficiency of entering and exiting the working position of the pressing needle is improved, and the time for entering and exiting the working position is shortened.
Drawings
FIG. 1 is a top view of a lithium battery cell positive and negative lamination quick-press device in one embodiment;
FIG. 2 is a top view of a table in one embodiment;
FIG. 3 is a schematic diagram of a needle pressing mechanism with pressure and position sensors omitted in one embodiment.
Detailed Description
The invention will be described in further detail below with reference to the drawings by means of specific embodiments.
The embodiment provides a quick compressing device for positive and negative electrode lamination of a lithium battery cell, which is used for compressing the positive and negative electrode lamination of the lithium battery cell quickly and efficiently.
As shown in fig. 1 and 2, the quick positive and negative lamination pressing device for the lithium battery cell of the embodiment comprises a workbench 1 and four pressing needle mechanisms 2, wherein the workbench 1 is of a square structure, the four pressing needle mechanisms 2 are arranged at four corners of the workbench 1, the workbench 1 is used for stacking and placing positive and negative pole pieces 3 of the lithium battery, and the four pressing needle mechanisms 2 are respectively used for synchronously pressing four corners of the pole pieces.
As shown in fig. 1 and 3, the needle pressing mechanism 2 includes a needle pressing 21, a rotation driving piece 22, and a lifting driving piece 23.
The pressing needle 21 is of a strip plate-shaped structure, two ends of the pressing needle 21 are provided with pressing parts 21a, the middle part is provided with a mounting part 21b, the pressing parts 21a are used for moving to a working position above the workbench 1 to press the stacked pole pieces, and the mounting part 21b is used for mounting the pressing needle 21. In other embodiments, the pressing needle 21 may be shorter, and one end of the pressing needle 21 is a pressing portion, and the other end is a mounting portion.
In this embodiment, the rotary driving member 22 has an output end for outputting rotation, for example, the rotary driving member 22 is a rotary cylinder or a rotary motor, the output end of the rotary driving member 22 is disposed upward, and the mounting portion 21b of the presser pin 21 is fixed to the rotary driving member 22 by a screw or a bolt. The rotary driving member 22 is used for driving the rotation of the pressing needle 21, in order to improve the pressing efficiency, the rotary driving member 22 may be set to forward and reverse rotation at a certain angle, so that the pressing portion 21a of the pressing needle 21 is driven to rotate into and out of the working position above the working table 1 in a back and forth swinging manner, for example, the pressing portion 21a of the pressing needle 21 is driven to have the working position and the withdrawing position, as shown in fig. 1, the pressing portion 21a of the pressing needle 21 is in the working position, the pressing portion 21a of the pressing needle 21 is rotated clockwise or anticlockwise again to move to the withdrawing position, at this time, the pressing portion 21a is completely withdrawn from the upper side of the working position 1, the pressed lamination can be taken out, and the pressing is required to swing back and forth to move to the working position by 45 ° again, so that only the back and forth swinging 45 ° is required between the working position and the withdrawing position, thereby greatly improving the efficiency. Of course, the angle of the back and forth swing between the working position and the exiting position may be set according to the specific installation position and the structural dimensions, and the 45 ° is merely illustrative.
In other embodiments, the rotary driving member 22 may also drive the presser needle 21 to rotate 90 °, 180 ° or 360 ° to switch between the working position and the withdrawal position.
In this embodiment, the lifting driving member 23 includes a lifting mechanism 231 connected to a fixing plate 232 and capable of being slidably mounted relative to each other, for adjusting the mounting height of the lifting mechanism 231, where the lifting mechanism 231 is a lifting cylinder or a linear motor, and an output end of the lifting mechanism 231 is connected to a lower end of the rotary driving member 22. The lifting mechanism 231 lifts and lowers the presser finger 21 by moving the rotary drive member 22.
The working process of the lithium battery cell positive and negative lamination rapid compression device provided in the embodiment is as follows:
s01: the positive and negative plates 3 are fed onto a workbench 1;
s02: the rotary driver 22 drives the pressing portion 21a of the pressing needle 21 to rotate to the working position (the position shown in fig. 1, the initial position is the withdrawal position);
s03: the lifting driving piece 23 drives the pressing part 21a of the pressing needle 21 to move downwards to press the stacked positive and negative plates 3;
s04: in the process of feeding the next positive and negative electrode plates 3 onto the compressed positive and negative electrode plates 3, the lifting driving piece 23 and the rotary driving piece 22 drive the compressing part 21a of the pressure needle 21 to ascend and rotationally swing back to the initial withdrawal position;
s05: and after the next positive and negative electrode plates 3 are fed, entering an S02 step, and circularly completing stacking and compaction of the positive and negative electrode plates 3.
According to the quick pressing device for the positive electrode lamination and the negative electrode lamination of the lithium battery cell, provided by the embodiment, as the needle pressing mechanism 2 comprises the rotary driving piece 22 and the lifting driving piece 23, the rotary driving piece 22 is used for driving the pressing part 21a of the pressing needle 21 to be screwed in and out of the working position above the workbench, the linear movement in the prior art is changed into rotary movement, and the design of the rotary mode enables the pressing needle 21 to exit the working position above the workbench only by rotating by a certain angle, so that the efficiency of entering and exiting the working position of the pressing needle 21 is improved, the time for entering and exiting the working position is shortened, the consistency of synchronous working of a plurality of pressing needles is improved, and the pressing effect is improved.
In one embodiment, the device for quickly compressing the positive and negative electrode lamination of the lithium battery cell further comprises a frame (not shown in the figure), the workbench 1 and the needle pressing mechanism 2 are respectively installed on the frame, and the fixing plate 232 in the needle pressing mechanism 2 is fixed on the frame.
In one embodiment, the rotation driving member 22 and the lifting driving member 23 are installed interchangeably, the lifting mechanism 231 is installed on the frame, the rotation driving member 22 is installed with the fixing plate 232, the pressing needle 21 is installed at the output position of the lifting mechanism 231, and the rotation driving member 22 drives the lifting driving member 23 and the pressing needle 21 to rotate and swing simultaneously, so that the rotation and lifting of the pressing needle 21 can be realized.
In one embodiment, the device for quickly pressing the positive and negative electrode lamination of the lithium battery cell further comprises a controller, wherein the controller can be a sub-controller connected with the central controller of the whole equipment or is the central controller of the whole equipment, and the part for controlling the device for quickly pressing the positive and negative electrode lamination of the lithium battery cell is written in the original central controller. Specifically, the controller is in signal connection with the rotary driving piece 22 and the lifting mechanism 231, and is used for controlling the rotary driving piece 22 and the lifting mechanism 231 to drive the pressing needle 21 to rotate and lift, so that the pressing needle 21 can press the lamination rapidly.
In the lamination process, under the action of the controller, after the adsorption pole piece is placed on the workbench by the feeding and discharging device, the rotary driving piece 22 and the lifting mechanism 231 are controlled to drive the pressing needle 21 to rotate and lift successively, so that the pole piece is pressed, seamless connection of feeding and pressing is realized, time consumption is shortened, and cost is lower.
For better control pressure needle 21 compress tightly effect and efficiency, lithium cell positive and negative pole lamination quick compression device still includes pressure sensor and position sensor, pressure sensor is connected with pressure needle 21, position sensor's response end sets up towards pressure needle 21, can install in the frame, pressure sensor and position sensor respectively with controller signal connection, pressure sensor is used for detecting pressure needle 21's down force, position sensor is used for detecting pressure needle 21's shift position, can realize pushing down after pressure needle 21 removes appointed position. The arrangement of the pressure sensor and the position sensor can read the accurate pressure value and the coordinate position of the pressure needle 2, and the controller can acquire the pressure value and the coordinate position of the pressure sensor and the position sensor in real time, so that the accurate control of the controller on the pressure needle 21 is improved. The pressing needle 21 in the lithium battery cell positive and negative lamination rapid pressing device adopts rotary action and combines the pressure and the position of the pressing needle 21 to detect in real time, so that the uniformity of pressing lamination by the four pressing needles 21 can be ensured, the structural defects such as dislocation between a pole piece and a diaphragm can not occur, and the safety of the battery cell is ensured.
The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.
Claims (6)
1. The utility model provides a quick compression device of lithium cell electricity core positive negative pole lamination which characterized in that includes:
the workbench is used for stacking positive and negative pole laminations of the lithium battery cell;
the needle pressing mechanisms comprise a needle pressing mechanism, a rotary driving piece and a lifting driving piece, wherein the needle pressing mechanism is arranged on the rotary driving piece, and the rotary driving piece is arranged on the lifting driving piece; or the pressing needle is arranged on the lifting driving piece, and the lifting driving piece is arranged on the rotary driving piece; the pressing needle is provided with a pressing part, the rotary driving piece is used for driving the pressing part of the pressing needle to be screwed in and out of a working position above the workbench, and the lifting driving piece is used for driving the pressing part of the pressing needle to move up and down;
the workbench and the needle pressing mechanism are respectively arranged on the rack;
the two ends of the pressing needle are pressing parts, the middle part of the pressing needle is a mounting part, the mounting part of the pressing needle is mounted on the rotary driving part or the lifting driving part, or one end of the pressing needle is a pressing part, the other end of the pressing needle is a mounting part, and the mounting part of the pressing needle is mounted on the rotary driving part or the lifting driving part.
2. The lithium battery cell positive and negative lamination rapid compression device of claim 1, wherein the rotary driving member has an output end for rotary output, and the compression pin is mounted on the output end of the rotary driving member.
3. The lithium battery cell positive and negative lamination rapid compression device of claim 2, wherein the lifting driving member comprises a lifting mechanism and a fixing plate, the lifting mechanism is fixed on the fixing plate, and an output end of the lifting mechanism is connected with the rotation driving member.
4. The lithium battery cell positive and negative lamination rapid compression device according to claim 3, wherein the needle pressing mechanism is four and is respectively arranged at four corners close to the workbench.
5. The lithium battery cell positive and negative lamination rapid compression device of any one of claims 1-4, further comprising a controller in signal connection with the rotary drive member and the lift drive member for controlling the rotation and lift of the press pin driven by the rotary drive member and the lift drive member.
6. The rapid positive and negative lamination pressing device of the lithium battery cell according to claim 5, further comprising a pressure sensor and a position sensor connected with the controller, wherein the pressure sensor is connected with the pressing needle and used for detecting the pressing force of the pressing needle, and the position sensor is used for detecting the position of the pressing sheet of the pressing needle pressing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146748.5A CN109888185B (en) | 2019-02-27 | 2019-02-27 | Lithium battery cell positive and negative pole lamination quick compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146748.5A CN109888185B (en) | 2019-02-27 | 2019-02-27 | Lithium battery cell positive and negative pole lamination quick compression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109888185A CN109888185A (en) | 2019-06-14 |
| CN109888185B true CN109888185B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910146748.5A Active CN109888185B (en) | 2019-02-27 | 2019-02-27 | Lithium battery cell positive and negative pole lamination quick compression device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JP2013222601A (en) * | 2012-04-17 | 2013-10-28 | Denso Corp | Manufacturing method and manufacturing apparatus for laminated electrode body |
| CN103904369A (en) * | 2014-04-03 | 2014-07-02 | 深圳市吉阳自动化科技有限公司 | Pole piece lamination winding head and cutting winding laminating all-in-one machine |
| CN106450476A (en) * | 2016-11-18 | 2017-02-22 | 邵阳市达力电源实业有限公司 | Large-scale lithium-ion power battery settling type laminating machine |
| KR101730469B1 (en) * | 2015-12-21 | 2017-04-27 | 주식회사 디에이테크놀로지 | Apparatus for Manufacturing Cell Stack for Secondary Battery |
| CN107946660A (en) * | 2017-12-06 | 2018-04-20 | 东莞市佳的自动化设备科技有限公司 | A kind of double drive dual control cam lamination device |
| CN209515857U (en) * | 2019-02-27 | 2019-10-18 | 深圳吉阳智能科技有限公司 | A kind of lithium battery electric core positive and negative electrode lamination fast compressing device |
-
2019
- 2019-02-27 CN CN201910146748.5A patent/CN109888185B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011085654A1 (en) * | 2010-01-18 | 2011-07-21 | 深圳市吉阳自动化科技有限公司 | Preparing method and preparation system for cell core of lithium ion battery |
| WO2012022063A1 (en) * | 2010-08-20 | 2012-02-23 | 深圳市吉阳自动化科技有限公司 | Epicyclic clamp, method and device for assembling power cell |
| CN202616354U (en) * | 2012-03-05 | 2012-12-19 | 东莞市斯宇自动化设备有限公司 | Lithium battery automatic laminating machine |
| JP2013222601A (en) * | 2012-04-17 | 2013-10-28 | Denso Corp | Manufacturing method and manufacturing apparatus for laminated electrode body |
| CN103904369A (en) * | 2014-04-03 | 2014-07-02 | 深圳市吉阳自动化科技有限公司 | Pole piece lamination winding head and cutting winding laminating all-in-one machine |
| KR101730469B1 (en) * | 2015-12-21 | 2017-04-27 | 주식회사 디에이테크놀로지 | Apparatus for Manufacturing Cell Stack for Secondary Battery |
| CN106450476A (en) * | 2016-11-18 | 2017-02-22 | 邵阳市达力电源实业有限公司 | Large-scale lithium-ion power battery settling type laminating machine |
| CN107946660A (en) * | 2017-12-06 | 2018-04-20 | 东莞市佳的自动化设备科技有限公司 | A kind of double drive dual control cam lamination device |
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| Publication number | Publication date |
|---|---|
| CN109888185A (en) | 2019-06-14 |
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