CN206366929U - A kind of chemical conversion machine and fixture assembly - Google Patents
A kind of chemical conversion machine and fixture assembly Download PDFInfo
- Publication number
- CN206366929U CN206366929U CN201620520743.6U CN201620520743U CN206366929U CN 206366929 U CN206366929 U CN 206366929U CN 201620520743 U CN201620520743 U CN 201620520743U CN 206366929 U CN206366929 U CN 206366929U
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- China
- Prior art keywords
- pressing plate
- roller
- front support
- turntable
- rear support
- 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.)
- Expired - Fee Related
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- 238000006243 chemical reaction Methods 0.000 title abstract 6
- 238000003825 pressing Methods 0.000 claims abstract description 80
- 238000007731 hot pressing Methods 0.000 claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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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
-
- 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
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- Press Drives And Press Lines (AREA)
Abstract
The utility model discloses a kind of chemical conversion machine and fixture assembly, wherein fixture assembly includes preceding bearing rotating disk, rear support rotating disk and fixture.The number of fixture is multiple, and multiple fixtures can place battery core, it is ensured that the production capacity of chemical conversion machine；Fixture be arranged on before between bearing rotating disk and rear support rotating disk, circumferential directions of multiple fixtures along preceding bearing and rear support, it is effectively utilized the space of chemical conversion machine vertical direction, relative in the prior art by the horizontally disposed form of multiple fixtures, the area that fixture takes in the horizontal direction is reduced, so as to reduce the area occupied of chemical conversion machine；Fixture includes the first movable pressing board, the second movable pressing board, laminate and leading screw, the both sides of leading screw are respectively arranged with the first screw thread and the second screw thread, first screw thread is opposite with the direction of rotation of the second screw thread, screw mandrel rotation can drive the first movable pressing board and the second movable pressing board to extrude laminate together, improve the operating efficiency of hot pressing or the cold pressing of chemical conversion machine.
Description
Technical Field
The utility model relates to a battery production technical field, in particular to become machine and anchor clamps assembly.
Background
In the working process of the formation machine, a battery cell is manually or automatically placed into a feeding module through a manipulator, the manipulator clamps the cell at one time from the feeding module and places a hot-pressing formation clamp, the hot-pressing formation clamp heats the cell, pressurizes and forms the cell, after the hot-pressing and forming are completed, the manipulator clamps the cell at one time and places a cold-pressing clamp, the cold-pressing clamp cools and shapes the cell in a pressurizing mode, after the shaping is completed, the cell is grabbed to a material preparation tool, and the battery is manually or automatically placed into the material preparation tool through the manipulator.
For improving the production efficiency of becoming the machine, often can become in the machine a plurality of hot pressing and become anchor clamps and cold pressing anchor clamps to place side by side in the level to satisfy the demand of productivity, but this kind of mode that improves the productivity causes the area that the anchor clamps that become the machine occupy in the horizontal direction great, thereby causes to become the bulky of machine, becomes the factory building area that the machine occupied big.
The hot pressing or cold pressing fixture in the prior art works in a general screw transmission mode, the screw drives the jacking plate to push the laminate assembly to move from one side to compress the electric core, and the hot pressing or cold pressing work efficiency is low.
Therefore, how to reduce the occupied area of the formation machine and improve the working efficiency of hot pressing or cold pressing on the basis of ensuring the capacity of the formation machine becomes a technical problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a clamp assembly to on the basis of guaranteeing to become the quick-witted productivity, reduce the area occupied that becomes the machine to improve the work efficiency of hot pressing or colding pressing. The utility model also provides a formation machine.
In order to achieve the above object, the utility model provides a following technical scheme:
a clamp assembly comprising:
the front support turntable can rotate around the axis of the front support turntable;
a rear support rotary table which is opposite to the front support rotary table and can rotate around the axis of the rear support rotary table is arranged in equal height and parallel, and the rotation direction of the rear support rotary table is opposite to that of the front support rotary table;
the fixture comprises a first movable pressing plate, a second movable pressing plate, a laminate and a lead screw, wherein the first movable pressing plate is arranged close to the front support turntable, the second movable pressing plate is arranged in parallel relative to the first movable pressing plate and is arranged close to the rear support turntable, the laminate is arranged between the first movable pressing plate and the second movable pressing plate, the lead screw drives the first movable pressing plate and the second movable pressing plate to move to press the laminate tightly, a first thread is arranged on one side of the lead screw, a second thread is arranged on the other side of the lead screw, and the rotating directions of the first thread and the second thread are opposite;
and the pressure buffering component is arranged between the laminate and the second movable pressing plate.
Preferably, in the above jig assembly, the first screw thread and the second screw thread have the same length.
Preferably, in the above jig assembly, the pressure buffering member includes:
and a third movable pressing plate is arranged between the second movable pressing plate and the laminate, the third movable pressing plate comprises a first pressing plate and a second pressing plate, and a compression spring is arranged between the first pressing plate and the second pressing plate.
Preferably, in the fixture assembly, the front support turntable is fixed on the frame through a front support, and the front support is provided with a roller assembly for driving the front support turntable to rotate;
the rear support rotary table is fixed on the rack through a rear support, and the rear support is provided with a roller assembly for driving the rear support rotary table to rotate.
Preferably, in the above jig assembly, the roller assembly includes:
the groove of the first roller is matched with the outer circumference of the front support turntable or the rear support turntable;
and an output shaft of the driving device is connected with the second roller through a synchronous belt.
Preferably, in the above jig assembly, the driving device includes a speed-regulating motor and a speed reducer connected to an output shaft of the speed-regulating motor.
Preferably, in the above jig assembly, the roller assembly further includes a third roller arranged in parallel with the first roller, and a groove of the third roller is engaged with an outer circumference of the front support turntable or the rear support turntable.
Preferably, in the above jig assembly, the front support and the rear support are bolted to the frame.
Preferably, in the above-mentioned clamp assembly, the number of the clamps is two, and the two clamps are arranged in an opposite direction.
A formation machine comprises a clamp assembly, wherein the clamp assembly is the clamp assembly in any one scheme.
According to the above technical scheme, the utility model provides a clamp assembly includes preceding support carousel, back support carousel and anchor clamps. The number of the clamps is multiple, and the plurality of clamps can be used for placing the battery cell in the hot pressing or cold pressing process of the formation machine, so that the capacity of the formation machine is ensured; the clamp is arranged between the front support turntable and the rear support turntable, and the plurality of clamps are arranged along the circumferential direction of the front support and the rear support, so that the space of the formation machine in the vertical direction is effectively utilized, and compared with the mode that the plurality of clamps are horizontally arranged in the prior art, the occupied area of the clamps in the horizontal direction is reduced, and the occupied area of the formation machine is reduced; the clamp comprises a first movable pressing plate, a second movable pressing plate, a laminated plate and a lead screw, wherein first threads and second threads are respectively arranged on two sides of the lead screw, the first threads are opposite to the second threads in rotation direction, the lead screw can drive the first movable pressing plate and the second movable pressing plate to extrude the laminated plate together, and the hot-pressing or cold-pressing working efficiency of the forming machine is improved compared with a mode of extruding the laminated plate on a single side in the prior art.
The utility model also discloses a change into machine, including the anchor clamps assembly, in the above-mentioned arbitrary scheme of anchor clamps assembly, because the anchor clamps assembly has above-mentioned technological effect, the formation machine that has this anchor clamps assembly also has same technological effect, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a clamp assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a roller assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an end portion of a clamp assembly according to an embodiment of the present invention.
1. Front support carousel, 2, back support carousel, 21, first activity clamp plate, 22, second activity clamp plate, 23, plywood, 24, third activity clamp plate, 3, lead screw, 4, front support, 5, back support, 6, first gyro wheel, 7, second gyro wheel, 8, drive arrangement, 9, third gyro wheel.
Detailed Description
The utility model discloses an anchor clamps assembly to on guaranteeing to become the basis of quick-witted productivity, reduce the area occupied of becoming the machine, and improve the work efficiency of hot pressing or colding pressing. The utility model also discloses a formation machine.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a clamp assembly according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a roller assembly according to an embodiment of the present invention; fig. 3 is a schematic structural view of an end portion of a clamp assembly according to an embodiment of the present invention.
The utility model discloses a fixture assembly, including fore-stock carousel 1, back support carousel 2 and anchor clamps. Wherein,
the front support turntable 1 can rotate around the axis thereof,
the rear support rotary table 2 can rotate around the axis of the rear support rotary table, the rear support rotary table 2 and the front support rotary table 1 are arranged in parallel at the same height, and the rotation direction of the rear support rotary table 2 is opposite to that of the front support rotary table 1, so that the normal rotation of the clamp is ensured, and the switching of the working positions of the clamp is realized.
The hot pressing or cold pressing fixture is located between the front support turntable 1 and the rear support turntable 2, the number of the fixtures is at least two, namely, the plurality of fixtures are arranged on the forming machine, and the plurality of fixtures can place the battery cells in the forming process of the forming machine, so that the capacity of the forming machine is ensured.
Anchor clamps are arranged along the circumference of preceding support carousel 1 and back support carousel 2, the length extending direction of anchor clamps is perpendicular with the plane direction of preceding support carousel 1 and back support carousel 2, the space of becoming the vertical direction of machine has effectively been utilized, for the form that arranges a plurality of anchor clamps levels among the prior art, the space that a plurality of anchor clamps occupy on the horizontal direction has been reduced, the volume that becomes the machine has also been reduced to a certain extent, the factory building area that becomes the machine and occupy has been reduced.
The clamp comprises a first movable pressing plate 21, a second movable pressing plate 22 arranged in parallel relatively to the first movable pressing plate 21, a layer plate 23 arranged between the first movable pressing plate 21 and the second movable pressing plate 22, and a lead screw 3 driving the first movable pressing plate 21 and the second movable pressing plate 22 to move and press the layer plate 23 tightly, wherein a first thread is arranged on one side of the lead screw 3, a second thread is arranged on the other side of the lead screw, and the rotating directions of the first thread and the second thread are opposite.
The lead screw 3 of the clamp provided by the scheme is provided with two different threads in the rotating direction, the lead screw 3 rotates, the first movable pressing plate 21 and the second movable pressing plate 22 can be driven to synchronously extrude the laminated plate 23, the cold pressing or hot pressing time is shortened compared with the single-side extruding mode in the prior art, and the cold pressing or hot pressing work efficiency is improved.
Preceding support carousel 1 and back support carousel 2 rotate, drive the anchor clamps that set up between preceding support carousel 1 and back support carousel 2 and rotate to make anchor clamps be in the operating position who treats material loading or unloading, accomplish material loading or unloading work smoothly.
Because hot pressing or cold pressing need certain operating time, last wait to material loading anchor clamps material loading after accomplish, carry out the material loading operation to next anchor clamps, carry out the in-process of material loading operation to next anchor clamps, the anchor clamps that last material loading was accomplished can begin to carry out hot pressing or cold pressing technology, have guaranteed the production efficiency of hot pressing or cold pressing, have practiced thrift process time.
The clamp assembly provided by the scheme further comprises a pressure buffering component arranged between the laminate 23 and the second movable pressing plate 22, and the pressing force of the first movable pressing plate and the second movable pressing plate on the laminate can be buffered, so that the effect of protecting the battery core is achieved.
Preferably, the first threads and the second threads are equal in length, so that the working efficiency of hot pressing or cold pressing of the forming machine can be improved to the greatest extent.
This scheme provides pressure buffer part includes:
and the third movable pressing plate 24 is positioned between the first movable pressing plate 21 and the laminate 23 and comprises a first pressing plate and a second pressing plate, and a compression spring is arranged between the first pressing plate and the second pressing plate.
The structure can buffer the pressing force of the first movable pressing plate 21 and the second movable pressing plate 22 on the laminate 23, and the cell is protected.
The front support rotary table 1 is fixed on the frame through a front support 4, and a roller assembly for driving the front support rotary table 1 to rotate is arranged on the front support 4;
the rear support rotary table 2 is fixed on the frame through a rear support 5, and the rear support 5 is provided with a roller assembly for driving the rear support rotary table 2 to rotate.
Fix preceding support carousel 1 in the frame through preceding support 4, fix back support carousel 2 in the frame through back support 5, can reduce the installation degree of difficulty of preceding support carousel 1 and back support carousel 2, reduce the damage to the frame to a certain extent.
The rotation of the front support turntable 1 and the rear support turntable 2 is realized through a roller assembly.
The roller component has a plurality of realization forms, and in one specific embodiment of the scheme, the roller component comprises:
the first roller 6 and the second roller 7 are connected through a connecting shaft, the first roller 6 and the second roller 7 synchronously rotate, a groove of the first roller 6 is matched with the outer circumference of the front support turntable 1 or the rear support turntable 2, and the first roller 6 rotates to drive the front support turntable 1 or the rear support turntable 2 to rotate through friction force;
the driving device 8 is used as a power output device, and an output shaft of the driving device 8 is connected with the second roller 7 through a synchronous belt.
The driving device 8 outputs power to drive the first roller 6 and the second roller 7 to rotate simultaneously, the first roller 6 drives the front support turntable 1 and the rear support turntable 2 corresponding to the first roller to rotate through friction force, and then drives the clamp arranged between the front support turntable 1 and the rear support turntable 2 to move to a working position.
The driving device comprises a speed regulating motor and a speed reducer 8 connected with an output shaft of the speed regulating motor. The speed regulating motor can change the rotating speed of the speed reducer by changing the number of stages, voltage, current, frequency and the like of the motor, so that the speed reducer achieves higher use performance, and energy can be saved to a certain extent.
In a specific embodiment of the present invention, the roller assembly further includes a third roller 9 disposed along the same straight line with the first roller 6, and a groove of the third roller 9 is engaged with an outer circumference of the front seat turntable 1 or the rear seat turntable 2.
Realize supporting preceding support carousel 1 or back support carousel 2 through first gyro wheel 6 and third gyro wheel 9, increased the area of contact of wheel components with preceding support carousel 1 and back support carousel 2, improved the stability that wheel components supported preceding support carousel 1 and back support carousel 2 to a certain extent, and guaranteed the steady rotation of preceding support carousel 1 and back support carousel 2.
In order to reduce the connection difficulty of the front support 4 and the rear support 5, the front support 4 and the rear support 5 are connected with the frame through bolts, and the front support 4 and the rear support 5 can be conveniently replaced.
The front support 4 and the rear support 5 can be welded with the frame or integrally formed.
In the first embodiment of the utility model, the number of the clamps is two, the two clamps are arranged in opposite directions, the material placing ends of the clamps face the outer sides of the front support turntable 1 and the rear support turntable 2, and the included angle between the two clamps is 180 degrees;
in the second embodiment of the utility model, the number of the clamps is three, the material placing ends of the clamps face to the outer sides of the front support turntable 1 and the rear support turntable 2, and the included angle between two adjacent clamps is 120 degrees;
the utility model discloses a third embodiment, the number of anchor clamps is four, and the material of anchor clamps is put into the outside that end all faces preceding support carousel 1 and back support carousel 2, and the contained angle between two adjacent anchor clamps is 90.
The utility model also discloses a change into machine, including the anchor clamps assembly, in the above-mentioned arbitrary scheme of anchor clamps assembly, because the anchor clamps assembly has above-mentioned technological effect, the formation machine that has this anchor clamps assembly also has same technological effect, no longer gives unnecessary details here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A clamp assembly, comprising:
the front support turntable (1) can rotate around the axis of the front support turntable;
a rear support rotary table (2) which is opposite to the front support rotary table (1) and can rotate around the axis of the front support rotary table is arranged in parallel at the same height, and the rotating direction of the rear support rotary table (2) is opposite to that of the front support rotary table (1);
the hot-pressing or cold-pressing fixture is positioned between the front support turntable (1) and the rear support turntable (2), the number of the fixtures is at least two, the fixtures are arranged along the circumferences of the front support turntable (1) and the rear support turntable (2), each fixture comprises a first movable pressing plate (21) close to the front support turntable (1), a second movable pressing plate (22) which is arranged in parallel relatively to the first movable pressing plate (21) and close to the rear support turntable (2), a laminate (23) arranged between the first movable pressing plate (21) and the second movable pressing plate (22) and a lead screw (3) driving the first movable pressing plate (21) and the second movable pressing plate (22) to move and press the laminate (23), a first thread is arranged on one side of the lead screw (3), and a second thread is arranged on the other side of the lead screw, the first thread and the second thread are opposite in rotation direction;
a pressure buffer member disposed between the laminate (23) and the second movable platen (22).
2. The gripper assembly of claim 1, wherein said first threads and said second threads are equal in length.
3. The clamp assembly of claim 1, wherein said pressure dampening member comprises:
and the third movable pressing plate (24) is arranged between the second movable pressing plate (22) and the laminated plate (23), the third movable pressing plate comprises a first pressing plate and a second pressing plate, and a compression spring is arranged between the first pressing plate and the second pressing plate.
4. The clamp assembly according to claim 1, wherein the front support turntable (1) is fixed on a frame through a front support (4), and a roller assembly for driving the front support turntable (1) to rotate is arranged on the front support (4);
the rear support rotary table (2) is fixed on the rack through a rear support (5), and the rear support (5) is provided with a roller assembly for driving the rear support rotary table (2) to rotate.
5. The gripper assembly of claim 4, wherein said roller assembly comprises:
the first roller (6) and the second roller (7) are connected through connecting shafts, and a groove of the first roller (6) is matched with the outer circumference of the front support turntable (1) or the rear support turntable (2);
and an output shaft of the driving device (8) is connected with the second roller (7) through a synchronous belt.
6. The gripper assembly of claim 5 wherein said drive means comprises an adjustable speed motor and a speed reducer connected to an output shaft of said adjustable speed motor.
7. The gripper assembly according to claim 5, wherein the roller assembly further comprises a third roller (9) arranged in parallel with the first roller (6), the groove of the third roller (9) cooperating with the outer circumference of the front bearing turntable (1) or the rear bearing turntable (2).
8. Clamp assembly according to claim 4, wherein the front support (4) and the rear support (5) are bolted to the frame.
9. The gripper assembly of claim 1, wherein said number of grippers is two, said grippers being arranged opposite each other.
10. A forming machine comprising a clamp assembly, wherein the clamp assembly is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520743.6U CN206366929U (en) | 2016-05-31 | 2016-05-31 | A kind of chemical conversion machine and fixture assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520743.6U CN206366929U (en) | 2016-05-31 | 2016-05-31 | A kind of chemical conversion machine and fixture assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206366929U true CN206366929U (en) | 2017-08-01 |
Family
ID=59388262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620520743.6U Expired - Fee Related CN206366929U (en) | 2016-05-31 | 2016-05-31 | A kind of chemical conversion machine and fixture assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206366929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910592A (en) * | 2017-10-10 | 2018-04-13 | 珠海格力电器股份有限公司 | Formation method of lithium ion battery and lithium ion battery |
| CN109623690A (en) * | 2018-11-07 | 2019-04-16 | 深圳市欧盛自动化有限公司 | Carrier mould group |
-
2016
- 2016-05-31 CN CN201620520743.6U patent/CN206366929U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910592A (en) * | 2017-10-10 | 2018-04-13 | 珠海格力电器股份有限公司 | Formation method of lithium ion battery and lithium ion battery |
| CN109623690A (en) * | 2018-11-07 | 2019-04-16 | 深圳市欧盛自动化有限公司 | Carrier mould group |
| CN109623690B (en) * | 2018-11-07 | 2024-03-19 | 深圳市欧盛自动化有限公司 | Carrier module |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170801 Termination date: 20210531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |