CN111085596A - Gapless pole piece cutting die - Google Patents
Gapless pole piece cutting die Download PDFInfo
- Publication number
- CN111085596A CN111085596A CN202010018695.1A CN202010018695A CN111085596A CN 111085596 A CN111085596 A CN 111085596A CN 202010018695 A CN202010018695 A CN 202010018695A CN 111085596 A CN111085596 A CN 111085596A
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- China
- Prior art keywords
- cutter
- pressing plate
- fine adjustment
- gapless
- pole piece
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- Pending
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- 238000005520 cutting process Methods 0.000 title claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to a gapless pole piece cutting die which comprises an upper pressing plate, a fine adjustment fixing seat, a fine adjustment screw, an upper cutter seat, an upper cutter, a lower pressing plate, a lower cutter seat, a lower cutter and a limiting protection block, wherein the fine adjustment fixing seat is connected to the lower part of the upper pressing plate; the upper cutter seat is connected with the fine-tuning fixing seat through the fine-tuning screw; the upper cutter is arranged on the upper cutter seat; the lower cutter is arranged on the lower cutter seat; the limiting protection block is connected to the upper cutter seat, and the upper surface of the limiting protection block is arranged at the maximum descending stroke of the upper cutter. Compared with the prior art, the invention reduces the downward displacement stroke of the upper cutter through the arrangement of the limiting protection block, so that the downward cutting stroke just finishes the cutting of the pole piece, the useless downward cutting stroke is saved, and the abrasion of the cutting edge is obviously avoided; make the fit clearance of going up cutter and lower cutter to reduce to 0.003mm through the horizontally fine setting structure, avoided because the burr that the cellosilk direction produced.
Description
Technical Field
The invention relates to the field of battery manufacturing equipment, in particular to a gapless battery pole piece cutting die.
Background
In the field of renewable batteries in the energy industry, a battery pole piece is mainly used for storing electric charge and energy, and the quality of the pole piece directly affects the service life and the quality of the battery, so that the quality of the battery pole piece directly affects the quality and the environment and is a main factor for determining the quality of the battery pole piece. The quality of the battery pole piece mainly lies in that: the first is the metal sheet of storage electric charge, and the second is the processing quality of metal sheet, and the third is the production environment, so cut pole piece mould in pole piece processing especially important, the precision height of pole piece mould plays fairly important effect.
At present, in the battery industry of China, the short circuit, the poor section and the burr of the battery mainly exist, particularly after the battery is packaged and subjected to high-pressure treatment, the insulation paper in the battery becomes very fragile under the electrochemical reaction of electrolyte, the battery is very easy to damage due to the penetrating action of the burr on an electrode plate, and the battery is easy to generate the short circuit due to the influence of the production environment and the corrosion action of ions only if the burr is too large, so that the battery is free of electricity.
At present, storage batteries on the market have more problems, such as short electricity storage time, short service life, high waste products and defective rate, high cost, serious environmental pollution and the like, and in order to overcome the disadvantages, the research on pole piece molds is imperative. The existing die is improved by singly increasing the guide precision, verticality and the like, but still the burrs generated on the bottom layer of the pole piece due to the direction of the fiber yarns cannot be overcome, so that the fault quality of the battery pole piece is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a gapless pole piece cutting die, namely the gapless pole piece cutting die, which can adjust the gap between an upper knife face and a lower knife face, and the fit gap between the upper knife and the lower knife can be reduced to 0.003mm through a horizontal fine adjustment structure, so that the cutting precision is obviously improved, the cutting pressure of a knife edge part is increased, burrs generated due to the direction of fiber yarns are avoided, and the burrs on a cut surface are greatly reduced.
The purpose of the invention can be realized by the following technical scheme:
the invention discloses a gapless pole piece cutting die which comprises an upper pressing plate, a fine adjustment fixing seat, a fine adjustment screw, an upper cutter seat, an upper cutter, a lower pressing plate, a lower cutter seat, a lower cutter and a limiting protection block.
The fine adjustment fixing seat is connected below the upper pressure plate;
the fine adjustment screw penetrates through the fine adjustment fixing seat;
the upper cutter seat is connected with the fine adjustment fixing seat through the fine adjustment screw;
the upper cutter is arranged on the upper cutter seat;
the lower pressing plate is arranged below the upper pressing plate;
the lower cutter seat is arranged above the lower pressing plate;
the lower cutter is arranged on the lower cutter seat;
and the upper surface of the limiting protection block is arranged at the maximum descending stroke of the upper cutter. The limiting protection block can be of a flexible structure, the pressure sensor is arranged on the limiting protection block, the microprocessor receives an electric signal of the pressure sensor and controls the air cylinder above the upper pressure plate to stop pushing downwards, so that the downward displacement stroke of the upper cutter is reduced, the downward cutting stroke just finishes the cutting of the pole piece, and the abrasion of the cutting edge can be obviously avoided due to the fact that the gap between the two cutters is extremely small and the useless downward cutting stroke is saved.
Furthermore, the fine adjustment screw horizontally penetrates through the fine adjustment fixing seat and is connected to the upper cutter seat.
Furthermore, a threaded hole which is matched with the fine adjustment screw and penetrates through the fine adjustment fixing seat is formed in the fine adjustment fixing seat.
Furthermore, the end part of the fine adjustment screw penetrates out of the threaded hole and is fixedly connected with the upper cutter seat. The gap between the upper cutter and the lower cutter can be adjusted after the fine adjustment screw is screwed.
Furthermore, the thickness d of the limiting protection block1Thickness d of limiting protection block2Are equal.
Furthermore, a guide post is arranged between the upper pressing plate and the lower pressing plate, and a guide post hole is formed in the position, corresponding to the guide post, of the upper pressing plate;
the guide post is sleeved with a spring in a penetrating manner, and the upper pressing plate is abutted against the spring, so that the upper end of the guide post penetrates out of the guide post hole when the upper pressing plate compresses the spring from top to bottom.
Furthermore, the lower surface of the upper pressure plate is provided with an annular flange surrounding the guide post hole, and the annular flange is pressed against the spring.
Further, the upper surface of the upper pressure plate is connected with a cylinder rod.
Furthermore, the included angle α between the edge line of the upper cutter and the horizontal plane is 0.5 degrees, the optimal cutting sequence can be realized, and the smoothness of cutting is improved.
Furthermore, a lateral pushing assembly is arranged between the upper pressing plate and the lower pressing plate, and the electrode block to be cut is pushed laterally by the lateral pushing assembly, so that the electrode block to be cut is periodically pushed to the upper cutter and between the lower cutters by the upper surface of the lower cutter holder.
Compared with the prior art, the invention has the following advantages:
1) the limit protection block is arranged to reduce the downward displacement stroke of the upper cutter, so that the downward cutting stroke can just complete the cutting of the pole piece, the useless downward cutting stroke is saved, and the abrasion of the cutting edge is obviously avoided.
2) Make the fit clearance of going up cutter and cutter down to reduce to 0.003mm through horizontally fine setting structure, so showing promotion cutting accuracy, increase the cutting pressure of cutting edge portion, avoided because the burr that the cellosilk direction produced, so the burr on the tangent plane that has significantly reduced.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of a gapless pole piece cutting die according to the present invention;
FIG. 2 is a schematic perspective view of a gapless pole piece cutting die according to the present invention;
fig. 3 is a schematic view of the arrangement structure of the upper cutter blade in the invention.
In the figure: 1. the device comprises an upper pressing plate, 2, a fine adjustment fixing seat, 3, an upper cutter seat, 4, a fine adjustment screw, 5, a lower pressing plate, 6, a lower cutter seat, 7, an upper cutter, 8, a lower cutter, 9, a limiting protection block, 10, a guide post, 11, a spring, 12, an annular flange, 13, a guide post hole, 71 and a cutter edge line.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
The gapless pole piece cutting die comprises an upper pressing plate 1, a fine adjustment fixing seat 2, a fine adjustment screw 4, an upper cutter seat 3, an upper cutter 7, a lower pressing plate 5, a lower cutter seat 6, a lower cutter 8 and a limiting protection block 9, and is shown in figure 1.
The upper cutter seat 3 is connected with the fine-adjustment fixing seat 2 through the fine-adjustment screw 4, the upper cutter 7 is arranged on the upper cutter seat 3, the lower pressing plate 5 is arranged below the upper pressing plate 1, the lower cutter seat 6 is arranged above the lower pressing plate 5, the lower cutter 8 is arranged on the lower cutter seat 6, and an included angle α between a cutter edge line 71 of the upper cutter 7 and a horizontal plane is 0.5 degrees.
Limiting and protecting block 9: is connected on the upper cutter holder 3, and the upper surface of the limiting protection block 9 is arranged at the maximum descending stroke of the upper cutter 7. The limiting protection block 9 can be of a flexible structure, the pressure sensor is arranged on the limiting protection block 9, the microprocessor receives an electric signal of the pressure sensor and controls the air cylinder above the upper pressure plate 1 to stop pushing downwards, so that the downward displacement stroke of the upper cutter 7 is reduced, the cutting of the pole piece is just completed by the downward cutting stroke, the gap between the two cutters is extremely small, the useless downward cutting stroke can be saved, the abrasion of the cutting edge can be obviously avoided, and the microprocessor in the embodiment is an ARM processor. The limit protection block 9 is arranged to reduce the downward displacement stroke of the upper cutter 7, so that the downward cutting stroke can just complete the cutting of the pole piece, the useless downward cutting stroke is saved, and the abrasion of the cutting edge is obviously avoided.
Horizontal fine-tuning: the fine-tuning fixing seat 2 is connected below the upper pressure plate 1A method for preparing; the fine adjustment screw 4 penetrates through the fine adjustment fixing seat 2. The fine adjustment screw 4 horizontally penetrates the fine adjustment fixing seat 2 and is connected to the upper cutter seat 3. A threaded hole which is matched with the fine adjustment screw 4 and penetrates through the fine adjustment fixing seat 2 is formed in the fine adjustment fixing seat 2. The end part of the fine adjustment screw 4 penetrates out of the threaded hole and is fixedly connected with the upper cutter holder 3. The gap between the upper cutter 7 and the lower cutter 8 can be adjusted after the fine adjustment screw 4 is screwed. Thickness d of the limit protection block 91Thickness d of the limit protection block 92Are equal. Make the fit clearance of going up cutter 7 and lower cutter 8 to reduce to 0.003mm through horizontally fine setting structure, so showing promotion cutting accuracy, increase the cutting pressure of cutting edge portion, avoided because the burr that the cellosilk direction produced, so the burr on the tangent plane that has significantly reduced.
The motion mechanism of the upper pressure plate is as follows: a guide post 10 is arranged between the upper pressing plate 1 and the lower pressing plate 5, and a guide post hole 13 is formed in the position, corresponding to the guide post, of the upper pressing plate 1; the guide post 10 is sleeved with a spring 11 in a penetrating manner, the upper pressure plate 1 is abutted against the spring 11, so that the upper end of the guide post 10 penetrates out of the guide post hole 13 when the upper pressure plate 1 compresses the spring from top to bottom. The lower surface of the upper pressure plate 1 is provided with an annular flange 12 surrounding a guide post hole 13, and the annular flange 12 is pressed against the spring 11.
The feeding mechanism comprises: the upper surface of the upper pressure plate 1 is connected with a cylinder rod. And a lateral pushing assembly is arranged between the upper pressing plate 1 and the lower pressing plate 5, and the electrode block to be cut is pushed laterally by the lateral pushing assembly, so that the electrode block to be cut is periodically pushed to the position between the upper cutter 7 and the lower cutter 8 by the upper surface of the lower cutter holder 6.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A gapless pole piece cutting die, comprising:
an upper platen (1);
the fine adjustment fixing seat (2) is connected below the upper pressure plate (1);
the fine adjustment screw (4) penetrates through the fine adjustment fixing seat (2);
the upper cutter seat (3) is connected with the fine adjustment fixing seat (2) through the fine adjustment screw (4);
the upper cutter (7) is arranged on the upper cutter holder (3);
the lower pressing plate (5) is arranged below the upper pressing plate (1);
the lower cutter seat (6) is arranged above the lower pressing plate (5);
the lower cutter (8) is arranged on the lower cutter holder (6);
and the limiting protection block (9) is connected to the upper cutter holder (3), and the upper surface of the limiting protection block (9) is arranged at the maximum descending stroke of the upper cutter (7).
2. A gapless pole-piece cutting die according to claim 1, wherein the fine adjustment screw (4) horizontally penetrates through the fine adjustment fixing seat (2) and is connected to the upper cutter seat (3).
3. The gapless pole piece cutting die as claimed in claim 2, wherein a threaded hole matched with the fine adjustment screw (4) and penetrating through the fine adjustment fixing seat (2) is formed in the fine adjustment fixing seat (2).
4. A gapless pole piece cutting die according to claim 3, wherein the end of the fine adjusting screw (4) penetrates out of the threaded hole and is fixedly connected with the upper cutter seat (3).
5. A gapless pole-piece-cutting die as claimed in claim 1, wherein the thickness d of the limit guard block (9)1Thickness d of limiting protection block (9)2Are equal.
6. The gapless pole piece cutting die of claim 1, wherein a guide post (10) is arranged between the upper pressing plate (1) and the lower pressing plate (5), and a guide post hole (13) is formed in the upper pressing plate (1) at a position corresponding to the guide post;
the guide post (10) is sleeved with a spring (11) in a penetrating mode, the upper pressing plate (1) abuts against the spring (11), and the upper end of the guide post (10) penetrates out of the guide post hole (13) when the upper pressing plate (1) compresses the spring from top to bottom.
7. A gapless pole piece cutting die according to claim 6, wherein the lower surface of the upper pressing plate (1) is provided with an annular flange (12) around the guide post hole (13), and the annular flange (12) is pressed against the spring (11).
8. A zero-clearance pole-piece-cutting die according to claim 1, characterized in that the upper surface of the upper press plate (1) is connected with a cylinder rod.
9. A gapless pole piece cutting die as claimed in claim 1, wherein the angle α between the edge line (71) of the upper cutter (7) and the horizontal plane is 0.5 °.
10. The gapless pole piece cutting die is characterized in that a lateral pushing assembly is further arranged between the upper pressing plate (1) and the lower pressing plate (5), and the electrode block to be cut is pushed laterally by the lateral pushing assembly, so that the electrode block to be cut is periodically pushed to the position between the upper cutter (7) and the lower cutter (8) from the upper surface of the lower cutter holder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010018695.1A CN111085596A (en) | 2020-01-08 | 2020-01-08 | Gapless pole piece cutting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010018695.1A CN111085596A (en) | 2020-01-08 | 2020-01-08 | Gapless pole piece cutting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111085596A true CN111085596A (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010018695.1A Pending CN111085596A (en) | 2020-01-08 | 2020-01-08 | Gapless pole piece cutting die |
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| Country | Link |
|---|---|
| CN (1) | CN111085596A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203266784U (en) * | 2013-05-06 | 2013-11-06 | 深圳市海得地实业有限公司 | Die for punching and molding of pole pieces |
| CN205888210U (en) * | 2016-04-06 | 2017-01-18 | 福建鼎信科技有限公司 | Prevent shock and vibration's steel band cutter |
| CN206201037U (en) * | 2016-10-28 | 2017-05-31 | 中航锂电（洛阳）有限公司 | Lithium ion battery slicing device |
| CN108555994A (en) * | 2018-05-08 | 2018-09-21 | 广西姿欧体育科技有限公司 | A kind of plastic products shearing equipment |
| CN208825672U (en) * | 2018-08-31 | 2019-05-07 | 广东亿鑫丰智能装备股份有限公司 | A kind of contactless cutting-off tool system of pole piece cross cutting |
| CN212703908U (en) * | 2020-01-08 | 2021-03-16 | 湖南徕木电子有限公司 | Gapless pole piece cutting die |
-
2020
- 2020-01-08 CN CN202010018695.1A patent/CN111085596A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203266784U (en) * | 2013-05-06 | 2013-11-06 | 深圳市海得地实业有限公司 | Die for punching and molding of pole pieces |
| CN205888210U (en) * | 2016-04-06 | 2017-01-18 | 福建鼎信科技有限公司 | Prevent shock and vibration's steel band cutter |
| CN206201037U (en) * | 2016-10-28 | 2017-05-31 | 中航锂电（洛阳）有限公司 | Lithium ion battery slicing device |
| CN108555994A (en) * | 2018-05-08 | 2018-09-21 | 广西姿欧体育科技有限公司 | A kind of plastic products shearing equipment |
| CN208825672U (en) * | 2018-08-31 | 2019-05-07 | 广东亿鑫丰智能装备股份有限公司 | A kind of contactless cutting-off tool system of pole piece cross cutting |
| CN212703908U (en) * | 2020-01-08 | 2021-03-16 | 湖南徕木电子有限公司 | Gapless pole piece cutting die |
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