CN210730197U - Defective pole piece removing system for lithium battery - Google Patents
Defective pole piece removing system for lithium battery Download PDFInfo
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- CN210730197U CN210730197U CN201920849253.4U CN201920849253U CN210730197U CN 210730197 U CN210730197 U CN 210730197U CN 201920849253 U CN201920849253 U CN 201920849253U CN 210730197 U CN210730197 U CN 210730197U
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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
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Abstract
The utility model discloses a lithium battery defect pole piece rejection system, include: a film-making device, first centre gripping subassembly, second centre gripping subassembly and coating machine for carrying out pole piece conveyer of pole piece conveying work and arranging in proper order along pole piece direction of transfer, wherein: the first clamping assembly and the second clamping assembly respectively comprise a clamping hand and a power mechanism used for driving the clamping hand to reciprocate along the pole piece conveying direction, a cut-off mechanism used for cutting off the pole piece is arranged between the first clamping assembly and the second clamping assembly, and a winding mechanism used for winding the pole piece is arranged on one side of the cut-off mechanism. The utility model discloses can effectively reject the defect part in the pole piece, pole piece 100% qualification rate that reaches the standard grade when having guaranteed the subsequent coiling, avoid the diaphragm waste that defect pole piece list roll brought simultaneously, reduce manufacturing cost.
Description
Technical Field
The utility model relates to a battery preparation technical field especially relates to a lithium battery defect pole piece rejection system.
Background
When the lithium battery pole piece is manufactured, positive and negative electrode materials, a conductive agent, a binder and a solvent are mixed in a slurry mixing machine according to a certain proportion to form uniformly dispersed slurry. The slurry is uniformly coated on a copper foil or an aluminum foil through a coating machine and is dried to form a large-roll pole piece, the large-roll pole piece is rolled and cut to form a small-roll pole piece, and the small-roll pole piece is processed through a sheet making process and is wound together with a diaphragm in a winding process to form a winding core. Because pole piece manufacture process technology is comparatively complicated, if control is improper, form big particulate matter in the thick liquids easily, particulate matter can produce the defect such as mar, leak the paper tinsel even cause coating tape breakage when the coating. If the defective pole piece can not be effectively removed in the process of manufacturing the pole piece, the wound product can be directly scrapped.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem who exists among the above-mentioned background art, the utility model provides a lithium cell defect pole piece rejection system.
The utility model provides a pair of lithium battery defect pole piece rejection system, include: a film-making device, first centre gripping subassembly, second centre gripping subassembly and coating machine for carrying out pole piece conveyer of pole piece conveying work and arranging in proper order along pole piece direction of transfer, wherein:
the first clamping assembly and the second clamping assembly respectively comprise a clamping hand and a power mechanism used for driving the clamping hand to reciprocate along the pole piece conveying direction, a cut-off mechanism used for cutting off the pole piece is arranged between the first clamping assembly and the second clamping assembly, and a winding mechanism used for winding the pole piece is arranged on one side of the cut-off mechanism.
Preferably, the winding mechanism comprises a winding needle positioned on one side of the pole piece conveying direction, a first driving mechanism used for driving the winding needle to horizontally move towards the surface where the pole piece is positioned, and a second driving mechanism used for driving the winding needle to rotate, and the winding needle comprises an upper needle body and a lower needle body which are arranged up and down and a space is reserved between the upper needle body and the lower needle body.
Preferably, a clamping jaw mechanism capable of moving up and down and a third driving mechanism for driving the clamping jaw mechanism to move up and down are arranged above the horizontal moving path of the winding needle.
Preferably, a material collecting box which is arranged opposite to the clamping jaw mechanism is arranged below the winding needle.
Preferably, one side of the first clamping assembly, which is far away from the second clamping assembly, is provided with a detection device, a labeling device and a labeling inductor, wherein the detection device is used for detecting the pole pieces, the labeling device is used for labeling the pole pieces, and the labeling inductor is used for identifying labels on the pole pieces, and the detection device is sequentially arranged from the input end of the pole piece conveying device to the output end of the pole piece conveying device.
Preferably, the detection means is a visual recognition means.
Preferably, the detection device is a CCD vision recognition device.
Preferably, the cut-off mechanism comprises a blade located above the pole piece conveyor and a drive assembly for driving the blade up and down.
Preferably, the cutting mechanism comprises an upper blade and a lower blade which are arranged up and down, and a power mechanism for driving the upper blade and the lower blade to open/close; the pole piece transmitted by the pole piece transmitting device passes through the space between the upper blade and the lower blade.
Preferably, the first driving mechanism is connected with the winding needle to drive the winding needle to rotate, and the second driving mechanism is connected with the first driving mechanism to drive the first driving mechanism to communicate with the winding needle to move horizontally.
In the utility model, the first clamping component, the second clamping component and the adhesive tape sticking machine are arranged in the conveying direction of the pole piece, and the cutting mechanism is arranged between the first clamping component and the second clamping component, a winding mechanism is arranged at one side of the cutting mechanism, so that when the pole piece is defective, the pole piece is fixed from two ends of the defective part by utilizing the matching of the first clamping assembly and the second clamping assembly, and is cut from one end of the defective part by utilizing the cutting mechanism, after one end of the defective portion is cut off, the defective portion is wound up from the one end of the cut-off portion by a winding mechanism, and then, cutting the defective part from the other end of the defective part by using a cutting mechanism, and finally, moving the cut part of the pole piece to the gluing machine by using the first clamping assembly and the second clamping assembly and butting the cut part of the pole piece so as to bond the cut part by using the gluing machine, so that the pole piece can be continuously conveyed forwards.
To sum up, the utility model provides a lithium battery defect pole piece rejection system utilizes first centre gripping subassembly, second centre gripping subassembly, coating machine, intercepting mechanism and winding mechanism to mutually support and can effectively reject the defect part in the pole piece, and the pole piece 100% qualification rate that reaches the standard grade when having guaranteed the subsequent coiling has avoided the diaphragm that defect pole piece list roll brought extravagant simultaneously, has reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a defective pole piece removing system for a lithium battery provided by the present invention;
fig. 2 is the utility model provides an among the lithium cell defect pole piece rejection system the structure schematic diagram of book needle.
Detailed Description
The technical solution of the present invention will be described in detail by the following embodiments.
As shown in fig. 1-2, fig. 1 is a schematic structural diagram of a defective pole piece elimination system for a lithium battery provided by the present invention; fig. 2 is the utility model provides an among the lithium cell defect pole piece rejection system the structure schematic diagram of book needle.
Referring to fig. 1-2, the utility model provides a lithium battery defect pole piece rejection system, include: a film-making device 12, first centre gripping subassembly 2, second centre gripping subassembly 3 and coating machine 4 for carrying out pole piece conveyer 1 of pole piece conveying work and arranging in proper order along pole piece direction of transfer, wherein:
the first clamping assembly 2 and the second clamping assembly 3 respectively comprise a clamping hand and a power mechanism for driving the clamping hand to reciprocate along the pole piece conveying direction, a cut-off mechanism 5 for cutting off the pole piece is arranged between the first clamping assembly 2 and the second clamping assembly 3, and a winding mechanism 6 for winding the pole piece is arranged on one side of the cut-off mechanism 5; the winding mechanism 6 comprises a winding needle 61 positioned on one side of the pole piece conveying direction, a first driving mechanism 62 used for driving the winding needle 61 to horizontally move towards the surface where the pole piece is positioned, and a second driving mechanism 63 used for driving the winding needle 61 to rotate, wherein the winding needle 61 comprises an upper needle body and a lower needle body which are vertically arranged, a space is reserved between the upper needle body and the lower needle body, and the pole piece is positioned between the upper needle body and the lower needle body in the winding process, so that the end part of the pole piece is fixed by utilizing the matching of the upper needle body and the lower needle body, and the pole piece is wound on the winding needle 61 along with the rotation of the winding needle.
As can be seen from the above, the utility model discloses a set up film-making device 12, first clamping component 2, second clamping component 3 and coating machine 4 in the pole piece direction of transfer, and set up truncation mechanism 5 between first clamping component 2 and second clamping component 3, set up winding mechanism 6 in one side of truncation mechanism 5, when pole piece A accomplished the flakiness after, utilize first clamping component 2 and second clamping component 3 to cooperate and fix the pole piece from the both ends of defect part, utilize truncation mechanism 5 to cut it from one end of defect part, utilize winding mechanism 6 to coil the defect part from one end of truncation part after one end of defect part is cut, then utilize truncation mechanism 5 to cut it from the other end of defect part once more, utilize first clamping component 2 and second clamping component 3 to remove the disconnection part of pole piece to coating machine 4 department and butt joint at last, so that the broken parts can be bonded by the adhesive tape sticking machine 4, and the pole piece can be continuously conveyed forwards.
To sum up the utility model provides a lithium battery defect pole piece rejection system utilizes first centre gripping subassembly 2, second centre gripping subassembly 3, coating machine 4, intercepting mechanism 5 and winding mechanism 6 to mutually support and can effectively reject the defective portion in the pole piece, and the pole piece is qualified for the next round of 100% on-line when having guaranteed the subsequent coiling, has avoided the diaphragm waste that the single book of defect pole piece brought simultaneously, has reduced manufacturing cost.
In addition, in the embodiment, a clamping jaw mechanism 7 capable of moving up and down and a third driving mechanism for driving the clamping jaw mechanism 7 to move up and down are arranged above the horizontal moving path of the winding needle 61, a material collecting box 8 arranged opposite to the clamping jaw mechanism 7 is arranged below the winding needle 61, when the defective part of the pole piece wound on the winding needle 61 is separated from the pole piece, the clamping jaw mechanism 7 moves down to fix the pole piece on the winding needle 61 in the retraction process of the winding needle 61, and at the moment, the pole piece on the winding needle 61 is separated from the winding needle 61 along with the continuous retraction of the winding needle 61 and falls into the material collecting box 8.
In this embodiment, the gripper mechanism 7 includes a gripper and a power mechanism for driving the gripper to perform a gripping/releasing action. The third driving mechanism comprises an air cylinder vertically fixed above the winding needle 61, and the clamping jaw mechanism 7 is installed at the ejection end of a piston rod of the air cylinder.
In this embodiment, a detection device 9 for detecting the pole piece, a labeling device 10 for labeling the pole piece, and a labeling sensor 11 for identifying the label on the pole piece are sequentially arranged from the input end of the pole piece conveying device 1 to the output end of the pole piece conveying device 1 on one side of the first clamping assembly 2 away from the second clamping assembly 3; the detection device 9 is a CCD vision recognition device. During operation, after a pole piece A is detected by the detection device 9, labeling identification is carried out on a defective pole piece A at the position of the labeling device 10, the defective pole piece A subjected to labeling identification is induced and memorized when the pole piece A moves to the position of the labeling inductor 11, when the defective pole piece A moves to the first clamping assembly 2 and the second clamping assembly 3, the defective part of the pole piece A is clamped by the first clamping assembly 2 and the second clamping assembly 3 at the same time, finally, the front end of the defective pole piece A is cut off by the cutting mechanism 5, the good pole piece A part is clamped by the second stage mechanism 3 to the gluing machine 4, the front end of the defective pole piece A is clamped by the winding needle 61, at the moment, the first clamping assembly 2 loosens the fixation of the pole piece A, and the winding needle 61 winds the defective pole piece A. After the winding of the defect pole piece A is finished, the first clamping assembly 2 clamps the pole piece A again, and the cutting mechanism 5 cuts off the rear end of the defect pole piece A so that the defect part of the pole piece A is completely separated from the pole piece A. And finally, the first clamping assembly 2 moves the rear end of the pole piece A to the position of the adhesive tape sticking machine 4 to be in butt joint with the front end of the pole piece A, and the pole piece A and the front end of the pole piece A are bonded by the adhesive tape sticking machine 4 to enable the pole piece A to continuously run forwards.
In this embodiment, the cut-off mechanism 5 includes a blade located above the pole piece conveying device 1 and a driving assembly for driving the blade to move up and down, or the cut-off mechanism 5 includes an upper blade and a lower blade arranged up and down and a power mechanism for driving the upper blade and the lower blade to open/close; the pole piece A conveyed by the pole piece conveying device 1 passes through the space between the upper blade and the lower blade.
In this embodiment, the first driving mechanism 62 is connected to the winding needle 61 to drive the winding needle 61 to rotate, and the second driving mechanism 63 is connected to the first driving mechanism 62 to drive the first driving mechanism 62 to communicate with the winding needle 61 to move horizontally. The first driving mechanism 62 comprises a motor, and an output shaft of the motor is fixedly connected with one end of the winding needle 61; the second driving mechanism 63 includes a cylinder, and the ejection end of the piston rod in the cylinder is fixedly connected with the motor.
In this embodiment, the clamping hand comprises a pneumatic finger; the power mechanism comprises an air cylinder horizontally arranged along the conveying direction of the pole piece A, and the clamping hand is installed at the ejection end of a piston rod of the air cylinder.
In this embodiment, the pole piece conveying device 1 includes an unwinding shaft, a winding shaft arranged at a distance from the unwinding shaft, and a driving mechanism for driving the unwinding shaft or the winding shaft and the unwinding shaft to rotate.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a lithium cell defect pole piece system of rejecting which characterized in that includes: a film-making device (12), first centre gripping subassembly (2), second centre gripping subassembly (3) and coating machine (4) that are used for carrying out pole piece conveyer (1) of pole piece conveying work and arrange in proper order along pole piece direction of transfer, wherein:
the first clamping assembly (2) and the second clamping assembly (3) respectively comprise a clamping hand and a power mechanism used for driving the clamping hand to reciprocate along the pole piece conveying direction, a cut-off mechanism (5) used for cutting off the pole piece is arranged between the first clamping assembly (2) and the second clamping assembly (3), and a winding mechanism (6) used for winding the pole piece is arranged on one side of the cut-off mechanism (5).
2. The lithium battery defective pole piece removing system according to claim 1, characterized in that the winding mechanism (6) comprises a winding needle (61) located at one side of the pole piece conveying direction, a first driving mechanism (62) for driving the winding needle (61) to move horizontally to the surface where the pole piece is located, and a second driving mechanism (63) for driving the winding needle (61) to rotate, wherein the winding needle (61) comprises an upper needle body and a lower needle body which are arranged up and down and a space is reserved between the upper needle body and the lower needle body.
3. The lithium battery defective pole piece removing system according to claim 2, characterized in that a clamping jaw mechanism (7) capable of moving up and down and a third driving mechanism for driving the clamping jaw mechanism (7) to move up and down are arranged above the horizontal moving path of the winding needle (61).
4. The lithium battery defective pole piece elimination system according to claim 3, characterized in that a material collecting box (8) arranged opposite to the clamping jaw mechanism (7) is arranged below the winding needle (61).
5. The lithium battery defective pole piece removing system according to claim 1, wherein a detection device (9) for detecting the pole piece, a labeling device (10) for labeling the pole piece and a labeling sensor (11) for identifying the label on the pole piece are sequentially arranged from the input end of the pole piece conveying device (1) to the output end direction of the pole piece conveying device from one side of the first clamping assembly (2) far away from the second clamping assembly (3).
6. The lithium battery defective pole piece elimination system according to claim 5, characterized in that the detection device (9) is a visual recognition device.
7. The lithium battery defective pole piece elimination system according to claim 6, characterized in that the detection device (9) is a CCD visual recognition device.
8. The lithium battery defective pole piece removing system according to any one of claims 1 to 7, characterized in that the cutting mechanism (5) comprises a blade positioned above the pole piece conveying device (1) and a driving component for driving the blade to move up and down.
9. The lithium battery defective pole piece removing system according to any one of claims 1 to 7, wherein the cutting mechanism (5) comprises an upper blade and a lower blade which are arranged up and down, and a power mechanism for driving the upper blade and the lower blade to open/close; the pole piece transmitted by the pole piece transmission device (1) passes through the space between the upper blade and the lower blade.
10. The lithium battery defective pole piece removing system according to claim 1, characterized in that a first driving mechanism (62) is connected with the winding needle (61) to drive the winding needle (61) to rotate, and a second driving mechanism (63) is connected with the first driving mechanism (62) to drive the first driving mechanism (62) to communicate with the winding needle (61) to move horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920849253.4U CN210730197U (en) | 2019-06-05 | 2019-06-05 | Defective pole piece removing system for lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920849253.4U CN210730197U (en) | 2019-06-05 | 2019-06-05 | Defective pole piece removing system for lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN210730197U true CN210730197U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920849253.4U Active CN210730197U (en) | 2019-06-05 | 2019-06-05 | Defective pole piece removing system for lithium battery |
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| CN (1) | CN210730197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115997302A (en) * | 2021-03-09 | 2023-04-21 | 株式会社Lg新能源 | Apparatus and method for continuous manufacturing of electrodes |
| WO2023142972A1 (en) * | 2022-01-29 | 2023-08-03 | 宁德时代新能源科技股份有限公司 | Electrode sheet forming method, manufacturing method for wound electrode assembly, and manufacturing method for laminated electrode assembly |
-
2019
- 2019-06-05 CN CN201920849253.4U patent/CN210730197U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115997302A (en) * | 2021-03-09 | 2023-04-21 | 株式会社Lg新能源 | Apparatus and method for continuous manufacturing of electrodes |
| US20230318006A1 (en) * | 2021-03-09 | 2023-10-05 | Lg Energy Solution, Ltd. | Apparatus and method for continuously manufacturing electrode |
| WO2023142972A1 (en) * | 2022-01-29 | 2023-08-03 | 宁德时代新能源科技股份有限公司 | Electrode sheet forming method, manufacturing method for wound electrode assembly, and manufacturing method for laminated electrode assembly |
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