CN219823129U - Anti-wrinkling device for pole piece machining - Google Patents
Anti-wrinkling device for pole piece machining Download PDFInfo
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- CN219823129U CN219823129U CN202320437629.7U CN202320437629U CN219823129U CN 219823129 U CN219823129 U CN 219823129U CN 202320437629 U CN202320437629 U CN 202320437629U CN 219823129 U CN219823129 U CN 219823129U
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- roller
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- smoothing
- edge
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- 238000003754 machining Methods 0.000 title claims description 6
- 230000037303 wrinkles Effects 0.000 claims abstract description 6
- 238000009499 grossing Methods 0.000 claims description 59
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model relates to the technical field of pole piece processing, and discloses an anti-wrinkling device for pole piece processing, which comprises an edge press roller set, a support continuous roller set, a dressing region press roller set and a blank region smooth roller set which are sequentially and horizontally arranged, wherein the edge press roller set, the support continuous roller set, the dressing region press roller set and the blank region smooth roller set jointly form a rolling channel for pole piece conveying. The anti-wrinkling device for pole piece processing can support and compress the pole piece and smooth the blank area, is beneficial to reducing the wrinkles of the blank area of the pole piece, prevents the phenomena of pole piece processing association and wrinkling, can help to eliminate the phenomena of pole piece waving and belt shaking in the pole lug forming process, can effectively focus cutting laser on the same horizontal position of the blank area, ensures cutting precision, prevents the occurrence of association burrs, and further reduces the poor rate of the tab association and the risk of micro-short circuit in a battery.
Description
Technical Field
The utility model relates to the technical field of pole piece processing, in particular to an anti-wrinkling device for pole piece processing.
Background
In the preparation process of the pole piece of the lithium ion battery, laser cutting and forming of the pole lug is an indispensable procedure. The pole piece is subjected to cutting forming of the pole lug after being coated and rolled. In the production process of the lithium ion battery pole piece, the control of the edge of the pole piece and burrs directly influences the forming and cutting effects of the battery pole lug.
In the actual production process, after the pole piece is coated, the stress of the pole piece is unevenly distributed, which may cause tension disorder in an uncoated area (a blank area) and further may cause a phenomenon that folds in the blank area of the pole piece are increased, and the phenomenon is generally called as wrinkling. When cutting the pole piece blank area, the increase of fold can possibly lead to the pole piece edge to cut unsmoothly, have the problem of burr, lead to the tab to take the defective rate to rise then, increase the risk of the inside micro short circuit of battery easily.
Disclosure of Invention
In order to solve the technical problems in the background art, the utility model provides an anti-wrinkling device for pole piece processing.
The utility model provides an anti-wrinkling device for pole piece processing, which comprises an edge press roller set, a support continuous roller set, a dressing area press roller set and a blank area smooth roller set which are sequentially and horizontally arranged, wherein the edge press roller set, the support continuous roller set, the dressing area press roller set and the blank area smooth roller set jointly form a rolling channel for pole piece conveying, and the device comprises:
the edge press roll group is used for supporting and extruding the edges of the pole pieces;
the support roller set is used for adjusting the tension of the pole piece;
the dressing region compression roller set is used for supporting and extruding the blank-keeping region and the dressing region of the pole piece in the transmission process;
the blank-keeping zone smoothing roller set is used for supporting and extruding the blank-keeping zone and the dressing zone of the pole piece in the cutting process.
As a further optimized scheme of the utility model, the edge press roll set comprises an edge upper press roll and an edge lower press roll, wherein the edge upper press roll and the edge lower press roll are mutually parallel, and a first channel for conveying the pole piece is formed between the edge upper press roll and the edge lower press roll.
As a further optimized scheme of the utility model, the support continuous roller set comprises an upper support roller and a lower support roller, the upper support roller and the lower support roller are mutually parallel, a second channel for conveying the pole piece is formed between the upper support roller and the lower support roller, the axis connecting line of the upper support roller and the lower support roller is an inclined plane inclined relative to the horizontal plane, and the upper support roller and the lower support roller can swing up and down.
As a further optimized scheme of the utility model, the support roller set further comprises a support plate positioned on the side edges of the upper support roller and the lower support roller, two ends of the support plate are respectively connected with the same side shaft ends of the upper support roller and the lower support roller, and the support plate can drive the upper support roller and the lower support roller to swing up and down and stop so as to adjust the tension of the pole piece.
As a further optimized scheme of the utility model, the dressing area compression roller group comprises a dressing upper compression roller and a dressing lower compression roller, wherein the dressing upper compression roller and the dressing lower compression roller are mutually parallel, and a third channel for conveying the pole piece is formed between the dressing upper compression roller and the dressing lower compression roller.
As a further optimized scheme of the utility model, the dressing area in the middle of the pole piece and the blank area at the edge are both covered on the dressing lower pressing roller, and the dressing upper pressing roller is covered on the dressing area of the pole piece.
As a further optimized scheme of the utility model, the white-zone smoothing roller set comprises an upper smoothing roller set and a lower smoothing roller set, the upper smoothing roller set and the lower smoothing roller set are parallel to each other, and a fourth channel for conveying the pole piece is formed between the upper smoothing roller set and the lower smoothing roller set.
As a further optimized scheme of the utility model, the upper smoothing roller group comprises at least two upper smoothing rollers, the lower smoothing roller group comprises at least two lower smoothing rollers, and a lower smoothing roller is correspondingly arranged below each upper smoothing roller,
as a further optimized scheme of the utility model, the outer walls of the middle part of the upper smoothing roller are covered on the dressing area of the pole piece, the outer walls of the two ends of the upper smoothing roller are provided with bulges, and the bulges are covered on the blank area of the pole piece.
As a further optimized scheme of the utility model, the number of the edge press roller group, the supporting continuous roller group and the dressing region press roller group is two, and the edge press roller group, the supporting continuous roller group and the dressing region press roller group are symmetrically distributed on two sides of the white region smoothing roller group.
According to the anti-wrinkling device for pole piece processing, the edge press roller group, the supporting continuous roller group, the dressing region press roller group and the blank region flattening roller group jointly form the press channel for pole piece conveying, so that the pole piece can be supported, pressed and flattened in the blank region, the wrinkling of the blank region of the pole piece can be reduced, the occurrence of the phenomena of pole piece processing and wrinkling can be avoided, the phenomena of pole piece waving and belt shaking in the pole lug forming process can be eliminated, cutting lasers can be effectively focused at the same horizontal position of the blank region, the cutting precision is ensured, the occurrence of continuous burrs is prevented, the poor rate of the continuous strip of the pole lug is reduced, and the risk of micro short circuit in the battery is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of an edge roller set according to the present utility model;
FIG. 3 is a schematic side view of a support roller set according to the present utility model;
FIG. 4 is a schematic side elevational view of a dressing region roller assembly of the present utility model;
FIG. 5 is a schematic side view of the white space smoothing roll set of the present utility model.
Description of the drawings: 1. a pressing roller is arranged on the edge; 2. an edge lower press roll; 3. an upper support roller; 4. a lower support roller; 5. a support plate; 6. dressing upper press rolls; 7. dressing pressing rollers; 8. a leveling roller set; 9. a lower smoothing roller group; 10. a protrusion; A. a pole piece blank area is reserved; B. and a pole piece dressing area.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1-5, an anti-wrinkling device for pole piece processing, comprising an edge press roller set, a support continuous roller set, a dressing region press roller set and a blank region smoothing roller set which are arranged on a frame, wherein the edge press roller set, the support continuous roller set, the dressing region press roller set and the blank region smoothing roller set are horizontally arranged in sequence and jointly form a rolling channel for pole piece conveying, and the anti-wrinkling device comprises:
the edge press roll group is used for supporting and extruding the edges of the pole pieces;
the support roller set is used for adjusting the tension of the pole piece;
the dressing region compression roller set is used for supporting and extruding the blank-keeping region and the dressing region of the pole piece in the transmission process;
the blank-keeping zone smoothing roller set is used for supporting and extruding the blank-keeping zone and the dressing zone of the pole piece in the cutting process.
In this embodiment, referring to fig. 1 and 2, the edge press roll set includes an edge upper press roll 1 and an edge lower press roll 2, the edge upper press roll 1 and the edge lower press roll 2 are parallel to each other, and a first channel for conveying the pole piece is formed between the edge upper press roll 1 and the edge lower press roll 2;
specifically, the number of the edge upper press rolls 1 is two, the two edge upper press rolls 1 are symmetrically distributed on the upper surfaces of the two ends of the edge lower press roll 2, the blank area and the dressing area of the pole piece are both covered on the edge lower press roll 2, and the two edge upper press rolls 1 are respectively covered on the blank areas of the two side edges of the pole piece so as to support and squeeze the edge of the pole piece, thereby being beneficial to reducing the occurrence of wrinkles;
in this embodiment, referring to fig. 1 and 3, the support roller set includes an upper support roller 3 and a lower support roller 4, the upper support roller 3 and the lower support roller 4 are parallel to each other, a second channel for conveying the pole piece is formed between the upper support roller 3 and the lower support roller 4, the axis line of the upper support roller 3 and the lower support roller 4 is an inclined plane inclined relative to the horizontal plane, and the upper support roller 3 and the lower support roller 4 can swing up and down;
further, the supporting roller set further comprises a supporting plate 5 positioned at the side edges of the upper supporting roller 3 and the lower supporting roller 4, two ends of the supporting plate 5 are respectively connected with the same side shaft ends of the upper supporting roller 3 and the lower supporting roller 4, and the supporting plate 5 can drive the upper supporting roller 3 and the lower supporting roller 4 to swing up and down and stop so as to adjust the tension of the pole piece;
specifically, the left ends of the upper support roller 3 and the lower support roller 4 are connected through a support plate 5, the right ends of the upper support roller 3 and the lower support roller 4 are connected through another support plate 5, bearings are mounted at two ends of the support plate 5, the shaft ends of the upper support roller 3 and the lower support roller 4 are rotatably connected with the bearings, a rotating shaft is mounted in the middle of the support plate 5, a motor is mounted on an adjacent frame, an output shaft of the motor is fixedly connected with one end of the rotating shaft far away from the support plate 5 through a coupling, the rotating shaft and the support plate 5 are driven to rotate through the motor, so that the upper support roller 3 and the lower support roller 4 can swing up and down, and the upper support roller 3 and the lower support roller 4 can support and squeeze a pole piece in a second channel so as to adjust tension tightness of the pole piece, and the pole piece is in a tensioning state so that a cutting operation of a subsequent blank area can be conveniently performed;
in this embodiment, referring to fig. 1 and 4, the dressing area press roller set includes a dressing upper press roller 6 and a dressing lower press roller 7, the dressing upper press roller 6 and the dressing lower press roller 7 are parallel to each other, and a third channel for conveying the pole piece is formed between the dressing upper press roller 6 and the dressing lower press roller 7;
specifically, the dressing area in the middle of the pole piece and the blank area at the edge are both covered on the dressing lower press roller 7, and the dressing upper press roller 6 is covered on the dressing area of the pole piece, so that the dressing area of the pole piece is pressed by the dressing upper press roller 6, and meanwhile, the dressing area and the blank area of the pole piece are supported and extruded by the supporting force of the dressing lower press roller 7 which is jacked upwards;
in this embodiment, referring to fig. 1 and 5, the white space smoothing roller set includes an upper smoothing roller set 8 and a lower smoothing roller set 9, the upper smoothing roller set 8 and the lower smoothing roller set 9 are parallel to each other, and a fourth channel for conveying the pole piece is formed between the upper smoothing roller set 8 and the lower smoothing roller set 9;
further, the upper smoothing roller set 8 comprises at least two upper smoothing rollers, the lower smoothing roller set 9 comprises at least two lower smoothing rollers, and a lower smoothing roller is correspondingly arranged below each upper smoothing roller, and a pole piece passes through between the adjacent upper smoothing rollers and the lower smoothing rollers;
further, the outer walls of the middle part of the upper smoothing roller are covered on the dressing area of the pole piece, the outer walls of the two ends of the upper smoothing roller are provided with bulges 10, and the bulges 10 are covered on the blank area of the pole piece;
furthermore, the protrusions 10 are preferably rubber rings, the rubber rings are fixedly sleeved on the outer walls of the two ends of the smoothing roller, the thickness of the rubber rings is consistent with the thickness of the dressing of the pole piece dressing area, the blank area at the cutting position is guaranteed to pass through completely and horizontally, and cutting is carried out, so that the pole piece is stably stressed when passing through, the cutting precision is improved, the cutting association condition is reduced, and burrs can be reduced to a certain extent; the bulge 10 can also be a plurality of rubber bumps distributed in a ring shape;
the height of the smoothing roller set in the blank area is slightly higher than that of other roller sets, and the other roller sets are kept on the same horizontal line so as to ensure that the state of the pole piece is tensioned and horizontal when the pole piece is subjected to forced cutting; the edge upper press roller 1, the dressing upper press roller 6, the upper smoothing roller and the lower smoothing roller are made of rubber materials, the other rollers are ceramic press rollers, and the rubber rollers can be tightly attached to the ceramic rollers, so that the stress level of the pole piece can be ensured to uniformly pass;
in this embodiment, the quantity of edge compression roller group, support even roller group, dressing district compression roller group is two, and the symmetric distribution is in the both sides of reserving the district and smooth roller group, and the pole piece passes left edge compression roller group in proper order, supports even roller group, dressing district compression roller group, penetrates again and reserves the district and smooth roller group department, and finally wears out by dressing district compression roller group, support even roller group and the edge compression roller group on right side in proper order, through the setting of two sets of edge compression roller groups, support even roller group, dressing district compression roller group, can improve pole piece and reserve stability and smoothness of white district cutting, convenient actual operation.
According to the anti-wrinkling device for pole piece processing, the edge press roller group, the supporting continuous roller group, the dressing region press roller group and the blank region flattening roller group jointly form the press channel for pole piece conveying, so that the pole piece can be supported, pressed and flattened in the blank region, the wrinkling of the blank region of the pole piece can be reduced, the occurrence of the phenomena of pole piece processing and wrinkling can be avoided, the phenomena of pole piece waving and belt shaking in the pole lug forming process can be eliminated, cutting lasers can be effectively focused at the same horizontal position of the blank region, the cutting precision is ensured, the occurrence of continuous burrs is prevented, the poor rate of the continuous strip of the pole lug is reduced, and the risk of micro short circuit in the battery is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. A prevent wrinkling device for pole piece processing, its characterized in that includes the edge compression roller group, support even roller group, dressing district compression roller group and stays white district and smooth roller group that arrange in proper order horizontally, and edge compression roller group, support even roller group, dressing district compression roller group and stay white district smooth roller group and form the roll-in passageway that pole piece carried jointly.
2. An anti-wrinkling device for pole piece processing according to claim 1, wherein the edge press roll set comprises an edge upper press roll (1) and an edge lower press roll (2), the edge upper press roll (1) and the edge lower press roll (2) are parallel to each other, and a first channel for pole piece transportation is formed between the edge upper press roll (1) and the edge lower press roll (2).
3. The anti-wrinkling device for pole piece machining according to claim 1, wherein the support connecting roller set comprises an upper support roller (3) and a lower support roller (4), the upper support roller (3) and the lower support roller (4) are parallel to each other, a second channel for pole piece conveying is formed between the upper support roller (3) and the lower support roller (4), an axis connecting line of the upper support roller (3) and the lower support roller (4) is an inclined plane inclined relative to a horizontal plane, and the upper support roller (3) and the lower support roller (4) can swing up and down.
4. A wrinkle preventing device for pole piece processing according to claim 3, wherein the support roller set further comprises a support plate (5) positioned at the side edges of the upper support roller (3) and the lower support roller (4), two ends of the support plate (5) are respectively connected with the same side shaft ends of the upper support roller (3) and the lower support roller (4), and the support plate (5) can drive the upper support roller (3) and the lower support roller (4) to swing up and down and stop so as to adjust the tension of the pole piece.
5. The anti-wrinkling device for pole piece machining according to claim 1, wherein the dressing area press roller group comprises a dressing upper press roller (6) and a dressing lower press roller (7), the dressing upper press roller (6) and the dressing lower press roller (7) are parallel to each other, and a third channel for pole piece conveying is formed between the dressing upper press roller (6) and the dressing lower press roller (7).
6. The anti-wrinkling device for pole piece processing according to claim 5, wherein the dressing area in the middle of the pole piece and the blank area at the edge are both covered on a dressing lower pressing roller (7), and the dressing upper pressing roller (6) is covered on the dressing area of the pole piece.
7. A wrinkle-resistant device for pole piece processing according to claim 1, characterized in that the blank-holding zone smoothing roller set comprises an upper smoothing roller set (8) and a lower smoothing roller set (9), the upper smoothing roller set (8) and the lower smoothing roller set (9) are parallel to each other, and a fourth channel for pole piece transport is formed between the upper smoothing roller set (8) and the lower smoothing roller set (9).
8. A wrinkle-resistant device for pole piece machining according to claim 7, characterized in that the upper smoothing roll set (8) comprises at least two upper smoothing rolls, the lower smoothing roll set (9) comprises at least two lower smoothing rolls, and one lower smoothing roll is correspondingly arranged below each upper smoothing roll.
9. The anti-wrinkling device for pole piece machining according to claim 8, wherein the middle outer wall of the upper smoothing roller is pressed in the dressing area of the pole piece, the outer walls of the two ends of the upper smoothing roller are provided with protrusions (10), and the protrusions (10) are pressed in the blank area of the pole piece.
10. The wrinkle preventing device for pole piece processing according to any one of claims 1-9, wherein the number of the edge press roller group, the support continuous roller group and the dressing region press roller group is two, and the edge press roller group, the support continuous roller group and the dressing region press roller group are symmetrically distributed on two sides of the white region smoothing roller group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437629.7U CN219823129U (en) | 2023-03-09 | 2023-03-09 | Anti-wrinkling device for pole piece machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437629.7U CN219823129U (en) | 2023-03-09 | 2023-03-09 | Anti-wrinkling device for pole piece machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823129U true CN219823129U (en) | 2023-10-13 |
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ID=88248017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320437629.7U Active CN219823129U (en) | 2023-03-09 | 2023-03-09 | Anti-wrinkling device for pole piece machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823129U (en) |
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2023
- 2023-03-09 CN CN202320437629.7U patent/CN219823129U/en active Active
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