CN220856613U - Slitting device for cylindrical full-lug lithium battery pole pieces - Google Patents
Slitting device for cylindrical full-lug lithium battery pole pieces Download PDFInfo
- Publication number
- CN220856613U CN220856613U CN202322387375.5U CN202322387375U CN220856613U CN 220856613 U CN220856613 U CN 220856613U CN 202322387375 U CN202322387375 U CN 202322387375U CN 220856613 U CN220856613 U CN 220856613U
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- Prior art keywords
- roller
- lithium battery
- slitting
- battery pole
- pole piece
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Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 58
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 description 5
- 238000007517 polishing process Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 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
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model belongs to the technical field of cylindrical lithium battery processing, and particularly relates to a slitting device for a cylindrical full-tab lithium battery pole piece, which comprises a workbench and a frame, wherein an unreeling roller, a guide roller, a slitting mechanism, a compression roller mechanism, a friction mechanism and a reeling mechanism are arranged on the frame; the lithium battery pole piece is coiled on the unreeling roller, the slitting mechanism comprises a driving motor, an output shaft of the driving motor is fixedly connected with a driving shaft, two slitting blades are connected to the driving shaft in a threaded mode, the pressing roller mechanism comprises an upper pressing roller and a lower pressing roller, a roller gap through which the lithium battery pole piece passes is formed between the upper pressing roller and the lower pressing roller, the friction mechanism comprises a driven shaft, a driven wheel is fixedly connected to the driven shaft, the driven wheel is connected with a driving wheel fixedly connected to the driving shaft through a belt, two friction wheels are connected to the driven shaft in a threaded mode, and the reeling mechanism comprises a first reeling roller and a second reeling roller. The device can meet the requirements of different slitting widths, folds or burrs cannot appear on the slitting surface, processing scraps are collected, the slitting precision is high, and the slitting quality of the pole pieces is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of cylindrical lithium battery processing, and particularly relates to a slitting device for a cylindrical full-tab lithium battery pole piece.
Background
The production and manufacture of 4680 batteries, including tesla and other battery suppliers LG new energy sources, loose batteries, has been undertaken, and the full tab process is expected to fall to ground rapidly in the next few years. Some equipment enterprises in China start to be laid out continuously, and it is believed that the domestic lithium batteries, especially the large cylindrical lithium batteries, are driven to expand new steps.
The full tab process is different from the traditional single/double tab process, and is characterized in that the whole positive/negative current collector is changed into a tab, and the internal resistance and the heating value of the battery are greatly reduced through the connection of the current collector, the current collecting disc and the shell, so that the heating problem of a high-energy-density battery core is solved, the performance requirements of quick charge, high-rate discharge and the like are met, and meanwhile, the high safety is ensured. Aiming at the popularization of the existing full tab process, most companies begin to develop the full tab process, but the conventional pole piece slitting device of the cylindrical lithium battery cannot slit because a foil exists on one side of a pole piece of the full tab battery.
The position of the cutter of the existing slitting device on the cutter frame is fixed, the slitting width requirements of the pole pieces are generally different, the requirements of different slitting widths are realized by replacing different cutter frames, the applicability is not strong, enterprises need to purchase various cutter frames, and the processing cost of the enterprises is high; and the cut pole piece section is easy to be wrinkled and burr, the quality of the cut pole piece is affected, scraps in the cutting process directly fall on a workbench surface, and the cutting precision is also affected to a certain extent. Therefore, how to overcome the above-mentioned technical problems and drawbacks becomes an important problem to be solved.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a slitting device for a cylindrical full-tab lithium battery pole piece.
The purpose of the utility model is realized in the following way:
The slitting device for the cylindrical full-tab lithium battery pole piece comprises a workbench and a rack fixedly connected to the front side and the rear side of the upper surface of the workbench, wherein an unreeling roller, a guide roller, a slitting mechanism, a compression roller mechanism, a friction mechanism and a reeling mechanism are arranged on the rack; the lithium battery pole piece is wound on the unreeling roller, and the guide roller is positioned on the right side above the unreeling roller; the cutting mechanism is positioned on the right side of the guide roller and comprises a driving motor, the output shaft of the driving motor is fixedly connected with a driving shaft, the driving shaft is positioned above the lithium battery pole piece, and two cutting blades are connected to the driving shaft in a threaded manner; the compression roller mechanism is positioned on the right side of the slitting mechanism and comprises an upper compression roller and a lower compression roller, and a roller gap through which the lithium battery pole piece passes is formed between the upper compression roller and the lower compression roller; the friction mechanism is positioned on the right side of the press roller mechanism and comprises a driven shaft, the driven shaft is positioned below the lithium battery pole piece, a driven wheel is fixedly connected to the driven shaft, the driven wheel is connected with a driving wheel fixedly connected to the driving shaft through a belt, and two friction wheels are screwed to the driven shaft; the winding mechanism comprises a first winding roller and a second winding roller, wherein the first winding roller is positioned on the left side below the friction wheel, and the second winding roller is positioned on the right side of the friction wheel.
Further, the waste bin is placed on the workbench and is located below the slitting mechanism, the press roller mechanism, the friction mechanism and the winding mechanism, the lithium battery pole pieces are slit through the slitting mechanism, the slit lithium battery pole pieces are extruded through the press roller mechanism, wrinkles on slit surfaces are avoided, the slit surfaces are polished through the friction mechanism, burrs are not formed on the slit surfaces, and scraps in the slitting and polishing processes fall into the waste bin to be collected.
Further, the outer side face of the friction wheel and the tangent plane of the same-side slitting blade are positioned on the same vertical face, and the slitting face of the lithium battery pole piece is polished through the friction wheel, so that the slitting face is free of burrs.
Further, the upper surfaces of the slitting blade and the friction wheel are higher than the upper surface of the lithium battery pole piece, and the lower surfaces of the slitting blade and the friction wheel are lower than the lower surface of the lithium battery pole piece.
Further, the upper surfaces of the guide roller, the lower pressing roller and the second winding roller are positioned on the same horizontal plane.
Further, the driving shaft and the driven shaft are both rotatably connected with the frame.
Further, be provided with first screw thread on the driving shaft, can adjust the interval of two cutting blades, be provided with the second screw thread on the driven shaft, can adjust the interval of two friction wheels to satisfy the demand of different cutting widths.
Further, the front side of the frame is fixedly connected with a mounting seat, and the driving motor is mounted on the upper surface of the mounting seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the slitting device for the cylindrical full-tab lithium battery pole piece, the lithium battery pole piece is slit through the two slitting blades, the slit lithium battery pole piece is extruded through the upper pressing roller and the lower pressing roller, wrinkles on the slitting surface are avoided, the middle slit pole piece is rolled through the first rolling roller, the slitting surfaces of the pole pieces slit on the two sides are polished through the friction mechanism, burrs are avoided on the slitting surfaces, the polished pole piece is rolled through the second rolling roller, and the pole piece rolled through the second rolling roller is a good full-tab battery pole piece.
2. According to the slitting device for the cylindrical full-tab lithium battery pole piece, the first screw thread is arranged on the driving shaft, the two slitting blades are in threaded connection with the driving shaft, the positions of the two slitting blades can be adjusted through the first screw thread so as to meet the requirements of different slitting widths, the second screw thread is arranged on the driven shaft, the two friction wheels are in threaded connection with the driven shaft, the positions of the two friction wheels can be adjusted through the second screw thread, so that the two sides of the friction wheels can be polished to meet the requirement of polishing pole piece parting surfaces with different slitting widths, and the applicability is strong.
3. According to the cutting device for the cylindrical full-tab lithium battery pole piece, scraps in the cutting and polishing processes fall into the waste box to be collected, so that the workbench surface is kept clean, and the cutting precision is improved.
Drawings
Fig. 1 is a top view of a slitting device for cylindrical full-tab lithium battery pole pieces.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
Fig. 4 is a front cross-sectional view of a slitting device for cylindrical full-tab lithium battery pole pieces.
In the figure: the device comprises a workbench, a machine frame, a 3-lithium battery pole piece, a 4-unreeling roller, a 5-guiding roller, a 6-slitting blade, a 7-driving shaft, an 8-first thread, a 9-upper pressing roller, a 10-first winding roller, an 11-driven shaft, a 12-second winding roller, a 13-friction wheel, a 14-second thread, a 15-waste box, a 16-mounting seat, a 17-driving motor, a 18-driving wheel, a 19-belt, a 20-driven wheel and a 21-lower pressing roller.
Description of the embodiments
The slitting device for the cylindrical full-tab lithium battery pole piece is described in more detail below with reference to the accompanying drawings and through specific embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-4, a slitting device for a cylindrical full-tab lithium battery pole piece comprises a workbench 1 and a rack 2 fixedly connected to the front side and the rear side of the upper surface of the workbench 1, wherein an unreeling roller 4, a guide roller 5, a slitting mechanism, a compression roller mechanism, a friction mechanism and a reeling mechanism are arranged on the rack 2; the lithium battery pole piece 3 is wound on the unreeling roller 4, and the guide roller 5 is positioned on the right side above the unreeling roller 4; the cutting mechanism is positioned on the right side of the guide roller 5 and comprises a driving motor 17, the output shaft of the driving motor 17 is fixedly connected with a driving shaft 7, the driving shaft 7 is positioned above the lithium battery pole piece 3, and two cutting blades 6 are connected to the driving shaft 7 in a threaded manner; the pressing roller mechanism is positioned on the right side of the slitting mechanism and comprises an upper pressing roller 9 and a lower pressing roller 21, and a roller gap through which the lithium battery pole piece 3 passes is formed between the upper pressing roller 9 and the lower pressing roller 21; the friction mechanism is positioned on the right side of the press roller mechanism and comprises a driven shaft 11, the driven shaft 11 is positioned below the lithium battery pole piece 3, a driven wheel 20 is fixedly connected to the driven shaft 11, the driven wheel 20 is connected with a driving wheel 18 fixedly connected to the driving shaft 7 through a belt 19, and two friction wheels 13 are connected to the driven shaft 11 in a threaded manner; the winding mechanism comprises a first winding roller 10 and a second winding roller 12, wherein the first winding roller 10 is positioned on the left side below the friction wheel 13, and the second winding roller 12 is positioned on the right side of the friction wheel 13.
Referring to fig. 1 and 4, a waste bin 15 is placed on the workbench 1, the waste bin 15 is located below the slitting mechanism, the pressing roller mechanism, the friction mechanism and the winding mechanism, and scraps in the slitting and polishing processes fall into the waste bin 15 to be collected.
Referring to fig. 1, the outer side surface of the friction wheel 13 and the tangential surface of the slitting blade 6 on the same side are positioned on the same vertical surface, and the slitting surface of the lithium battery pole piece 3 is polished through the friction wheel 13, so that the slitting surface is free of burrs.
Referring to fig. 4, the upper surfaces of the slitting blade 6 and the friction wheel 13 are higher than the upper surface of the lithium battery pole piece 3, and the lower surfaces of the slitting blade 6 and the friction wheel 13 are lower than the lower surface of the lithium battery pole piece 3.
Referring to fig. 4, the upper surfaces of the guide roller 5, the lower pressing roller 21 and the second wind-up roller 12 are positioned on the same horizontal plane.
Further, the driving shaft 7 and the driven shaft 11 are both rotatably connected with the frame 2.
Referring to fig. 1, the driving shaft 7 is provided with a first thread 8, which can adjust the distance between the two slitting blades 6, the driven shaft 11 is provided with a second thread 14, which can adjust the distance between the two friction wheels 13, so as to meet the requirements of different slitting widths.
Referring to fig. 1 and 2, the front side of the frame 2 is fixedly connected with a mounting seat 16, and a driving motor 17 is mounted on the upper surface of the mounting seat 16.
The working principle of the utility model is as follows:
when the device is used, the positions of the two slitting blades 6 on the driving shaft 7 are adjusted according to the width of the pole piece to be slit, and the positions of the two friction wheels 13 on the driven shaft 11 are adjusted; the lithium battery pole piece 3 wound on the unreeling roller 4 is guided by the guide roller 5, the lithium battery pole piece 3 is supported by the guide roller 5 and the lower pressing roller 21, and the lithium battery pole piece 3 is limited by the upper pressing roller 9; the driving shaft 7, the driving wheel 18 and the two slitting blades 6 are driven to rotate by the driving motor 17, the two slitting blades 6 slit the lithium battery pole piece 3, the upper pressing roller 9 and the lower pressing roller 21 squeeze the slit lithium battery pole piece 3 to avoid wrinkling of the slit surface, the first winding roller 10 winds the pole piece slit in the middle, the driven wheel 20, the driven shaft 11 and the two friction wheels 13 rotate together with the driving wheel 18, the two friction wheels 13 polish the slit surfaces of the pole piece slit on two sides to enable the slit surfaces to have no burrs, the second winding roller 12 winds the polished pole piece, and the pole piece wound by the second winding roller 12 is a good-quality all-lug battery pole piece; the scraps in the slitting and polishing processes fall into the scrap box 15 to be collected, so that the surface of the workbench 1 is kept clean.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The use of the terms "a" and "an" and similar referents in the description and claims of the utility model are not necessarily to scale. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that many changes and modifications can be made to the specific embodiments described above without departing from the spirit of the utility model, and that many combinations of technical features and structures can be made without departing from the scope of the utility model.
Claims (8)
1. The utility model provides a full utmost point ear lithium cell pole piece of cylinder cut device, includes the workstation and links firmly the frame of both sides around the workstation upper surface, its characterized in that: the frame is provided with an unreeling roller, a guide roller, a slitting mechanism, a compression roller mechanism, a friction mechanism and a reeling mechanism;
The lithium battery pole piece is wound on the unreeling roller, and the guide roller is positioned on the right side above the unreeling roller;
The cutting mechanism is positioned on the right side of the guide roller and comprises a driving motor, the output shaft of the driving motor is fixedly connected with a driving shaft, the driving shaft is positioned above the lithium battery pole piece, and two cutting blades are connected to the driving shaft in a threaded manner;
the compression roller mechanism is positioned on the right side of the slitting mechanism and comprises an upper compression roller and a lower compression roller, and a roller gap through which the lithium battery pole piece passes is formed between the upper compression roller and the lower compression roller;
The friction mechanism is positioned on the right side of the press roller mechanism and comprises a driven shaft, the driven shaft is positioned below the lithium battery pole piece, a driven wheel is fixedly connected to the driven shaft, the driven wheel is connected with a driving wheel fixedly connected to the driving shaft through a belt, and two friction wheels are screwed to the driven shaft;
The winding mechanism comprises a first winding roller and a second winding roller, wherein the first winding roller is positioned on the left side below the friction wheel, and the second winding roller is positioned on the right side of the friction wheel.
2. The slitting device for cylindrical full-tab lithium battery pole pieces according to claim 1, wherein: and a waste box is placed on the workbench and is positioned below the slitting mechanism, the compression roller mechanism, the friction mechanism and the winding mechanism.
3. The slitting device for cylindrical full-tab lithium battery pole pieces according to claim 1, wherein: the outer side surface of the friction wheel and the tangential surface of the same-side slitting blade are positioned on the same vertical surface.
4. The slitting device for cylindrical full-tab lithium battery pole pieces according to claim 3, wherein: the upper surfaces of the slitting blade and the friction wheel are higher than the upper surface of the lithium battery pole piece, and the lower surfaces of the slitting blade and the friction wheel are lower than the lower surface of the lithium battery pole piece.
5. The slitting device for cylindrical full-tab lithium battery pole pieces according to claim 1, wherein: the upper surfaces of the guide roller, the lower pressing roller and the second winding roller are positioned on the same horizontal plane.
6. The slitting device for cylindrical full-tab lithium battery pole pieces according to claim 1, wherein: the driving shaft and the driven shaft are both rotationally connected with the frame.
7. The slitting device for cylindrical full-tab lithium battery pole pieces according to claim 1 or 6, wherein: the driving shaft is provided with a first thread, and the driven shaft is provided with a second thread.
8. The slitting device for cylindrical full-tab lithium battery pole pieces according to claim 1, wherein: the front side of the frame is fixedly connected with a mounting seat, and the driving motor is mounted on the upper surface of the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322387375.5U CN220856613U (en) | 2023-09-04 | 2023-09-04 | Slitting device for cylindrical full-lug lithium battery pole pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322387375.5U CN220856613U (en) | 2023-09-04 | 2023-09-04 | Slitting device for cylindrical full-lug lithium battery pole pieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856613U true CN220856613U (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322387375.5U Active CN220856613U (en) | 2023-09-04 | 2023-09-04 | Slitting device for cylindrical full-lug lithium battery pole pieces |
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| CN (1) | CN220856613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119057495A (en) * | 2024-11-06 | 2024-12-03 | 兴化市聚鑫不锈钢有限公司 | A stainless steel plate production cutting device and method |
-
2023
- 2023-09-04 CN CN202322387375.5U patent/CN220856613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119057495A (en) * | 2024-11-06 | 2024-12-03 | 兴化市聚鑫不锈钢有限公司 | A stainless steel plate production cutting device and method |
| CN119057495B (en) * | 2024-11-06 | 2025-03-14 | 兴化市聚鑫不锈钢有限公司 | Stainless steel plate production cutting device and method |
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