CN112191919A - Lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism - Google Patents
Lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism Download PDFInfo
- Publication number
- CN112191919A CN112191919A CN202011030583.4A CN202011030583A CN112191919A CN 112191919 A CN112191919 A CN 112191919A CN 202011030583 A CN202011030583 A CN 202011030583A CN 112191919 A CN112191919 A CN 112191919A
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- CN
- China
- Prior art keywords
- cutter
- pole piece
- lithium battery
- slitting
- battery pole
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
- B23D19/08—Shearing machines or shearing devices cutting by rotary discs for special use, e.g. for cutting curves, for chamfering edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
- B23D35/005—Adjusting the position of the cutting members
- B23D35/007—Adjusting the position of the cutting members for circular cutting members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the technical field of lithium battery production equipment, and discloses a lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism which comprises a shaft body, wherein a rotary seat is arranged on the side surface of the shaft body, a push rod is arranged inside the rotary seat, a first slide block is arranged on the surface of the push rod, a connecting rod is movably connected to the surface of the first slide block, a driving block is arranged inside the shaft body, a slide rod is arranged inside the driving block, a main cutter is arranged on the surface of the driving block, the lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism can adjust the distance between the main cutter and the driven cutter according to the machining size of a pole piece by matching the rotary seat and the push rod, the first slide block and the connecting rod are used in a matching way, the driving block and the driven cutter are used in a matching way, the process of cutter changing is simplified, and the cutter adjusting, meanwhile, the cutter set does not need to be replaced, and the equipment cost of pole piece slitting processing is reduced.
Description
Technical Field
The invention relates to the technical field of lithium battery production equipment, in particular to a lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism.
Background
Lithium cell, be a kind of by lithium metal or lithium alloy for anodal or negative pole material, use the battery of non-aqueous electrolyte, the lithium cell is when producing, need cut lithium cell pole piece raw materials, in order to obtain with the battery model assorted pole piece of will producing, because the lithium cell is of a great variety, when processing production, required pole piece size also can be different, current pole piece is when cutting, when the pole piece is cut the size and is changed, need to change the cutter assembly in the equipment of cutting, install new a set of cutter assembly with pole piece size assorted, the change process of cutter is complicated, equipment cost is high, when cutting the pole piece, the pole piece is under the cutting pressure effect of cutter, the surface can perk, it is inhomogeneous to cause the pole piece easily, it is not good to cut the effect, influence the quality of cutting of pole piece.
For solving the problems, the lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism has the advantages of convenience in cutter adjustment, high exchange efficiency, low equipment cost and good slitting effect, improves slitting efficiency of pole pieces among different sizes, and improves slitting effect of the pole pieces.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism which has the advantages of convenience in cutter adjustment, high exchange efficiency, low equipment cost and good slitting effect, and solves the problems of complex cutter exchange, low exchange efficiency, high production cost and low slitting quality of the existing pole piece slitting.
(II) technical scheme
In order to realize the purposes of convenient cutter adjustment, high exchange efficiency, low equipment cost and good slitting effect, the invention provides the following technical scheme: a lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism comprises a shaft body, wherein a rotary seat is arranged on the side surface of the shaft body, a push rod is arranged inside the rotary seat, a first sliding block is arranged on the surface of the push rod, a connecting rod is movably connected to the surface of the first sliding block, a driving block is arranged inside the shaft body, a sliding rod is arranged inside the driving block, a main cutter is arranged on the surface of the driving block, a driven cutter is arranged on the surface of the driving block, a convex block is arranged on the surface of the main cutter, a fixing ring is arranged on the side surface of the main cutter, a supporting rod is arranged on the surface of the fixing ring, a resetting telescopic rod is movably connected to the surface of the supporting rod, a second sliding block is arranged inside the fixing ring, a spring is arranged inside the second sliding block, an elastic, and one end of the pressing rod, which is far away from the second sliding block, is provided with a roller.
Preferably, the shaft seats are symmetrically distributed at two ends of the shaft body, the inner surface of the shaft body is provided with arc-shaped sliding grooves, and two ends of the push rod are located inside the sliding grooves in the inner surface of the shaft seats.
Preferably, the internal surface design of axis body has the fixed block, and the linear type notch has been seted up on the surface of fixed block, and the push rod is located the inside of linear type notch, and the spout has been seted up on the surface of push rod, and the slider is located the inside of push rod surface spout.
Preferably, the two connecting rods are in one group and symmetrically distributed on two sides of the first sliding block, and one end far away from the first sliding block is movably connected with the surface of the driving block.
Preferably, main cutter and axis body axial fixity are connected, and driven cutter is the same with main cutter's structure, and the notch has been seted up on the surface that the axis body corresponds with driven cutter, and driven cutter is located the inside of axis body surface notch.
Preferably, the bumps are uniformly distributed on the side surface of the main cutter and correspond to the elastic sheets on the two surfaces of the sliding block.
Preferably, the fixing rings are symmetrically distributed on two sides of the main cutter and the driven cutter respectively, arc-shaped notches are formed in the surfaces of the fixing rings, and the second sliding block is located inside the arc-shaped notches in the surfaces of the fixing rings.
Preferably, one end of the resetting telescopic rod, which is far away from the support rod, is movably connected with the surface of the pressure rod.
Preferably, one end of the spring is connected with the inside of the second sliding block, and the other end of the spring is connected with the inner surface of the elastic sheet.
Preferably, the opening direction of the elastic sheet is consistent with the rotation direction of the main cutter.
(III) advantageous effects
Compared with the prior art, the invention provides a lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism, which has the following beneficial effects:
1. this cutter is cut to lithium-ion battery pole piece is adjusted and supplementary cutting mechanism uses through the cooperation of swivel mount and push rod, and slider one uses with the cooperation of connecting rod, and the drive block uses with the cooperation of driven cutter, can adjust main cutter and driven cutter distance each other according to the machining dimension of pole piece, has simplified the process that the cutter changed, has improved the efficiency that the cutter was adjusted, need not to change the cutter group simultaneously, has reduced the equipment cost that the processing was cut to the pole piece.
2. This lithium battery pole piece cuts cutter and adjusts and supplementary cutting mechanism uses through the cooperation of lug and shell fragment, and solid fixed ring uses with the cooperation of slider two, and the depression bar is used with the cooperation of gyro wheel, and when main cutter and driven cutter cut the pole piece, can assist to flatten the surface of pole piece, prevents the perk of pole piece plane, has improved the effect that the pole piece was cut, corresponding improvement the quality that the pole piece was cut.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of a transposable structure according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at A according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 5 is a schematic left side view of the present invention;
FIG. 6 is a schematic right-view structural diagram of the present invention;
FIG. 7 is a schematic view of the structure of FIG. 6 at C according to the present invention.
In the figure: 1. a shaft body; 2. rotating; 3. a push rod; 4. a first sliding block; 5. a connecting rod; 6. a drive block; 7. a slide bar; 8. a main cutter; 9. a driven cutter; 10. a bump; 11. a fixing ring; 12. a strut; 13. resetting the telescopic rod; 14. a second sliding block; 15. a spring; 16. a spring plate; 17. a pressure lever; 18. a roller;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-7, a lithium battery pole piece slitting cutter is adjusted and is assisted cutting mechanism, including axis body 1, the internal surface design of axis body 1 has the fixed block, the linear type notch has been seted up on the surface of fixed block, a notch has been seted up on the surface that is used for push rod 3, axis body 1 and driven cutter 9 correspond, a removal for driven cutter 9, the side of axis body 1 is provided with swivel mount 2, a removal for driving push rod 3, the inside of swivel mount 2 is provided with push rod 3, push rod 3 is located the inside of linear type notch, the spout has been seted up on the surface of push rod 3, a removal for driving slider 4, the surface of push rod 3 is provided with slider 4, slider 4 is located the inside of push rod 3 surface spout, a removal for.
The surperficial swing joint of slider 4 has connecting rod 5, connecting rod 5 two are a set of, the symmetric distribution is in slider 4's both sides, keep away from slider 4's one end and the surperficial swing joint of driving block 6, be used for driving block 6 and remove, the inside of axis body 1 is provided with driving block 6, be used for driving follower cutter 9 and remove, the inside of driving block 6 is provided with slide bar 7, a removal for driving block 6, the surface of driving block 6 is provided with main cutter 8, a processing of cutting for the pole piece, main cutter 8 is connected with 1 axial fixity of axis body, the surface of driving block 6 is provided with follower cutter 9, a processing of cutting for the pole piece, follower cutter 9 is the same with main cutter 8's structure, follower cutter 9 is located the inside of 1 surperf.
The surface of main cutter 8 is provided with lug 10, lug 10 evenly distributed is at the side surface of main cutter 8, it is corresponding with the shell fragment 16 on two 14 surfaces of slider, a movement for driving shell fragment 16, the side of main cutter 8 is provided with solid fixed ring 11, gu fixed ring 11 is the both sides of symmetric distribution at main cutter 8 and driven cutter 9 respectively, the arc notch has been seted up on the surface, a removal for two 14 of slider, gu fixed ring 11's surface is provided with branch 12, the surperficial swing joint of branch 12 has the telescopic link 13 that resets, the telescopic link 13 that resets keeps away from the one end of branch 12 and the surperficial swing joint of depression bar 17, a reset.
The inside of solid fixed ring 11 is provided with the second slider 14, the second slider 14 is located the inside of solid fixed ring 11 surface arc notch, be used for driving depression bar 17 to rotate, the inside of second slider 14 is provided with spring 15, the internal connection of spring 15 one end and second slider 14, the other end and the internal surface connection of shell fragment 16, the surface of second slider 14 is provided with shell fragment 16, the opening direction of shell fragment 16 installation is unanimous with the rotation direction of main cutter 8, be used for driving the removal of second slider 14, the surface of second slider 14 is provided with depression bar 17, be used for driving gyro wheel 18 and rotate, the one end that second slider 14 was kept away from to depression bar 17 is provided with gyro wheel 18, a.
The working principle is that when the mechanism is used for cutting the lithium battery pole piece, firstly, the size of the pole piece is determined, then, the distance between a main cutter 8 and a driven cutter 9 is adjusted to be matched with the required size of the pole piece, a rotary seat 2 is rotated, the rotation of the rotary seat 2 can drive a push rod 3 to move along the radius direction of the rotary seat 2, the movement of the push rod 3 can drive a slide block 4 to move, the slide block 4 drives connecting rods 5 on two sides of the slide block to move, the connecting rods 5 can drive a driving block 6 corresponding to the driven cutter 9 to move on the surface of a slide rod 7, the movement of the driving block 6 can drive the driven cutter 9 to move, the movement of the driven cutter 9 can change the distance between the driven cutter 9 and the main cutter 8 and the distance between the driven cutter 9, so that the distances between the driven cutter 9 and the main cutter 8 are consistent, namely, the distance between the main cutter 8 and the driven cutter 9 can be adjusted by, the distance between the main cutter 8 and the driven cutter 9 is matched with the size of the pole piece to be cut.
After the distance between the main cutter 8 and the driven cutter 9 is adjusted, the main cutter 8 and the driven cutter 9 are driven to rotate through related driving equipment, the main cutter 8 and the driven cutter 9 are driven to cut pole pieces at equal intervals, when the main cutter 8 and the driven cutter 9 rotate, the convex blocks 10 on the surfaces of the main cutter 8 and the driven cutter 9 are driven to rotate, the convex blocks 10 can be driven to rotate to be in contact with the elastic sheets 16 on the surfaces of the second sliders 14 and push the elastic sheets 16 to rotate, the elastic sheets 16 drive the second sliders 14 to rotate, the second sliders 14 drive the press rods 17 to rotate, the press rods 17 drive the rollers 18 to rotate, when the rollers 18 rotate to be in contact with the surfaces of the pole pieces, the rollers 18 on the two sides of the main cutter 8 and the driven cutter 9 are mutually matched to start to perform auxiliary flattening on the surfaces of the pole pieces, when the rollers 18 are in contact with the surfaces of the pole pieces, the second sliders 14, correspondingly, the pressing rod 17 does not drive the roller 18 to rotate any more, the lug 10 pushes the elastic sheet 16 to compress the spring 15 into the second sliding block 14, the lug 10 continues to rotate, and the main cutter 8 and the driven cutter 9 continue to cut the pole pieces.
To sum up, this lithium battery pole piece cuts cutter and adjusts and supplementary cutting mechanism, use through the cooperation of swivel mount 2 with push rod 3, slider 4 uses with the cooperation of connecting rod 5, and driving block 6 uses with the cooperation of driven cutter 9, can adjust main cutter 8 and driven cutter 9 distance each other according to the machining dimension of pole piece, has simplified the process that the cutter changed, has improved the efficiency that the cutter was adjusted, need not to change the cutter assembly simultaneously, has reduced the equipment cost that the processing was cut to the pole piece.
This cutter is cut to lithium-ion battery pole piece is adjusted and supplementary cutting mechanism uses through the cooperation of lug 10 with shell fragment 16, and solid fixed ring 11 uses with the cooperation of two 14 of slider, and depression bar 17 uses with the cooperation of gyro wheel 18, and when main cutter 8 and driven cutter 9 cut the pole piece, can assist to flatten the surface of pole piece, prevents the perk of pole piece plane, has improved the effect that the pole piece was cut, corresponding improvement the quality that the pole piece was cut.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a lithium battery pole piece cuts cutter and adjusts and supplementary cutting mechanism, includes axis body (1), its characterized in that: the side surface of the shaft body (1) is provided with a rotary seat (2), a push rod (3) is arranged inside the rotary seat (2), a first slide block (4) is arranged on the surface of the push rod (3), a connecting rod (5) is movably connected to the surface of the first slide block (4), a driving block (6) is arranged inside the shaft body (1), a slide rod (7) is arranged inside the driving block (6), a main cutter (8) is arranged on the surface of the driving block (6), a driven cutter (9) is arranged on the surface of the driving block (6), a convex block (10) is arranged on the surface of the main cutter (8), a fixing ring (11) is arranged on the side surface of the main cutter (8), a supporting rod (12) is arranged on the surface of the fixing ring (11), a resetting telescopic rod (13) is movably connected to the surface of the supporting rod (12), and a second slide block (14, a spring (15) is arranged inside the second sliding block (14), an elastic sheet (16) is arranged on the surface of the second sliding block (14), a pressing rod (17) is arranged on the surface of the second sliding block (14), and a roller (18) is arranged at one end, far away from the second sliding block (14), of the pressing rod (17).
2. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: the shaft seats (2) are symmetrically distributed at two ends of the shaft body (1), arc-shaped sliding grooves are formed in the inner surfaces of the shaft seats, and two ends of the push rod (3) are located inside the sliding grooves in the inner surfaces of the shaft seats (2).
3. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: the internal surface design of axis body (1) has the fixed block, and the linear type notch has been seted up on the surface of fixed block, and push rod (3) are located the inside of linear type notch, and the spout has been seted up on the surface of push rod (3), and slider (4) are located the inside of push rod (3) surface spout.
4. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: the two connecting rods (5) are in a group and are symmetrically distributed on two sides of the first sliding block (4), and one end, far away from the first sliding block (4), of each connecting rod is movably connected with the surface of the driving block (6).
5. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: main cutter (8) and axis body (1) axial fixity are connected, and driven cutter (9) are the same with the structure of main cutter (8), and the notch has been seted up on the surface that axis body (1) and driven cutter (9) correspond, and driven cutter (9) are located the inside of axis body (1) surface notch.
6. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: the convex blocks (10) are uniformly distributed on the side surface of the main cutter (8) and correspond to the elastic sheets (16) on the surface of the second sliding block (14).
7. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: the fixed rings (11) are symmetrically distributed on two sides of the main cutter (8) and the driven cutter (9) respectively, arc-shaped notches are formed in the surfaces of the fixed rings, and the second sliding block (14) is located inside the arc-shaped notches in the surfaces of the fixed rings (11).
8. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: one end of the resetting telescopic rod (13) far away from the support rod (12) is movably connected with the surface of the pressure rod (17).
9. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: one end of the spring (15) is connected with the inside of the second sliding block (14), and the other end of the spring is connected with the inner surface of the elastic sheet (16).
10. The lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism according to claim 1, characterized in that: the opening direction of the elastic sheet (16) is consistent with the rotation direction of the main cutter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030583.4A CN112191919A (en) | 2020-09-27 | 2020-09-27 | Lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011030583.4A CN112191919A (en) | 2020-09-27 | 2020-09-27 | Lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112191919A true CN112191919A (en) | 2021-01-08 |
Family
ID=74008385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011030583.4A Withdrawn CN112191919A (en) | 2020-09-27 | 2020-09-27 | Lithium battery pole piece slitting cutter adjusting and auxiliary slitting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112191919A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001231A (en) * | 2021-03-03 | 2021-06-22 | 安徽德亚电池有限公司 | Cutting device is used in production of electricity core pole piece |
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| JP2008279569A (en) * | 2007-05-11 | 2008-11-20 | Dainippon Printing Co Ltd | Positioning device for cutting edge of slitter |
| CN206969851U (en) * | 2017-07-20 | 2018-02-06 | 浙江世窗光学薄膜制造有限公司 | A kind of film cutter |
| CN110525113A (en) * | 2019-09-05 | 2019-12-03 | 重庆市开州区国森广告装饰工程有限公司 | A kind of trimming device and cold paperhanging machine of cold paperhanging machine |
| CN210236662U (en) * | 2019-07-29 | 2020-04-03 | 杭州保森印务有限公司 | Cutting structure for packaging material |
| CN210361610U (en) * | 2019-05-06 | 2020-04-21 | 镇江龙成绝缘材料有限公司 | Displacement adjusting structure for polyimide film production |
| CN210678955U (en) * | 2019-10-08 | 2020-06-05 | 青岛同佳纺织机械有限公司 | Device for automatically cutting hard extension cotton into pieces at fixed length |
| CN211053799U (en) * | 2019-11-22 | 2020-07-21 | 安徽润宇医用包装材料有限公司 | Laminated film splitting machine with adjustable splitting thickness |
| CN211110239U (en) * | 2019-07-31 | 2020-07-28 | 佛山市南海区科思瑞迪材料科技有限公司 | Slitting mechanism for thin film |
-
2020
- 2020-09-27 CN CN202011030583.4A patent/CN112191919A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008279569A (en) * | 2007-05-11 | 2008-11-20 | Dainippon Printing Co Ltd | Positioning device for cutting edge of slitter |
| CN206969851U (en) * | 2017-07-20 | 2018-02-06 | 浙江世窗光学薄膜制造有限公司 | A kind of film cutter |
| CN210361610U (en) * | 2019-05-06 | 2020-04-21 | 镇江龙成绝缘材料有限公司 | Displacement adjusting structure for polyimide film production |
| CN210236662U (en) * | 2019-07-29 | 2020-04-03 | 杭州保森印务有限公司 | Cutting structure for packaging material |
| CN211110239U (en) * | 2019-07-31 | 2020-07-28 | 佛山市南海区科思瑞迪材料科技有限公司 | Slitting mechanism for thin film |
| CN110525113A (en) * | 2019-09-05 | 2019-12-03 | 重庆市开州区国森广告装饰工程有限公司 | A kind of trimming device and cold paperhanging machine of cold paperhanging machine |
| CN210678955U (en) * | 2019-10-08 | 2020-06-05 | 青岛同佳纺织机械有限公司 | Device for automatically cutting hard extension cotton into pieces at fixed length |
| CN211053799U (en) * | 2019-11-22 | 2020-07-21 | 安徽润宇医用包装材料有限公司 | Laminated film splitting machine with adjustable splitting thickness |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001231A (en) * | 2021-03-03 | 2021-06-22 | 安徽德亚电池有限公司 | Cutting device is used in production of electricity core pole piece |
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Application publication date: 20210108 |
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| WW01 | Invention patent application withdrawn after publication |