CN221161856U - Anti-bending printing device for tab - Google Patents
Anti-bending printing device for tab Download PDFInfo
- Publication number
- CN221161856U CN221161856U CN202322942508.0U CN202322942508U CN221161856U CN 221161856 U CN221161856 U CN 221161856U CN 202322942508 U CN202322942508 U CN 202322942508U CN 221161856 U CN221161856 U CN 221161856U
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- China
- Prior art keywords
- roller
- tab
- printing
- stamp
- bending
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- 238000005452 bending Methods 0.000 title claims abstract description 33
- 238000004049 embossing Methods 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 3
- 238000007665 sagging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a tab bending-resistant printing device, and aims to solve the defect of weak bending strength of a thin tab. The electrode lug material strip is wound on the unreeling roller, the guide roller and the printing pair roller device, the electrode lug material strip led out of the unreeling roller enters between the printing pair roller device after passing through the guide roller, the printing pair roller device comprises a printing roller and an abutting roller, printing is arranged on the printing roller, the electrode lug material strip passes through between the printing roller and the abutting roller, and the printing pair roller device imprints at least two supporting ribs on the electrode lug material strip. Through the arrangement, the lug material belt strengthens bending resistance on the premise of maintaining thickness, so that the reject ratio and the throwing rate are reduced.
Description
Technical Field
The utility model relates to the field of battery manufacturing, in particular to a tab bending-resistant printing device.
Background
The tabs in the battery are the means for carrying the transfer of electrons. In pursuit of higher energy density, one tends to reduce the thickness of the tab for carrying more cells. However, the thinner tab has weaker bending strength, and the thinner tab has a greater proportion of sagging as it is under the same width conditions. For a coiled battery core, the lug extending out of the negative electrode also has a tendency of bending near the center of the circle, and the lug is easy to fold and fall into the pole piece after die cutting to cause the failure of the battery, thereby influencing the yield of the battery.
Aiming at the defect of weak bending strength of the thin tab, the application provides the printing roller device for improving the sagging of the tab during die cutting on line, which can provide larger bending strength for the tab under the same thickness, thereby improving the yield of the battery.
Disclosure of Invention
The utility model overcomes the defect of weak bending strength of the thin tab, and provides the tab bending-resistant printing device which can provide greater bending strength for the tab under the same thickness so as to improve the yield of the battery.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a resist bending stamp device of utmost point ear, has unreeling roller, guide roll and stamp pair roller device of utmost point ear material area including the coiling, the utmost point ear material area that the unreels the roller and enters into between the stamp pair roller device behind the guide roll, is equipped with the stamp terrace die on the stamp roller, and stamp pair roller device includes stamp roller and butt roller, the utmost point ear material area passes through between stamp roller and the butt roller, at least two supporting ribs are coined to utmost point ear material area to stamp pair roller device.
According to the application, the bending strength of the tab is improved by providing the supporting ribs for the tab, so that the bending-down amplitude of the tab is lower under the same condition. And forming the support ribs on the tab material belt through a printing pair roller device. The embossing roller generates corresponding impressions for the tab material belt, the impressions form supporting ribs, the supporting ribs enable the tab material belt to be of a three-dimensional structure with a supporting structure from a sheet body, and the supporting ribs strengthen the bending resistance of the tab material belt. The unreeling roller is used for outputting a tab material belt, and the tab material belt is guided by the guide roller. The tab material belt is always tensioned on the tab bending-resistant printing device.
Preferably, the stamped position of the tab material strip at the outlet of the device is located on the upper side of the tab material strip. By means of the structure, the concave direction of printing is downward. Through the structure, the bending resistance of the two sides of the tab material belt is different, and the stamped position is arranged on the upper side, so that the downward bending resistance of the tab material belt at the outlet position of the device is stronger under the corresponding posture.
Preferably, the embossing roller is located above the abutment roller. The structure will be embossed with the stamp created on the upper side.
Preferably, the embossing twin roll device is provided with a pressure sensor for detecting pressure. The distance between the embossing roller and the abutting roller is controlled through the pressure sensor, so that the embossing roller is prevented from being damaged by pressure.
Preferably, the supporting ribs are arranged along the length direction of the tab material belt.
Preferably, the supporting ribs are inclined diagonal lines.
Compared with the prior art, the utility model has the beneficial effects that:
Through the arrangement, the lug material belt strengthens bending resistance on the premise of maintaining thickness, so that the reject ratio and the throwing rate are reduced.
Drawings
FIG. 1 is a schematic illustration of the apparatus of the present utility model;
FIG. 2 is a schematic view of a embossing roll of the present utility model;
In the figure:
the electrode lug material belt 1, an unreeling roller 2, a guide roller 3, a printing roller 4, an abutting roller 5, a pressure sensor 6 and a printing 7.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present disclosure, terms such as "fixedly coupled," "connected," and the like are to be construed broadly and refer to either a fixed connection or an integral or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the disclosure may be determined according to circumstances, and should not be interpreted as limiting the disclosure, for relevant scientific research or a person skilled in the art.
Examples:
Referring to fig. 1, a tab bending-resistant printing device comprises an unreeling roller 2, a guide roller 3 and a printing pair roller device, wherein the unreeling roller is wound with a tab material belt 1, the tab material belt 1 led out by the unreeling roller 2 enters between the printing pair roller device after passing through the guide roller 3, a printing male die 7 is arranged on a printing roller 4, the printing pair roller device comprises a printing roller 4 and a butt roller 5, the tab material belt 1 passes through between the printing roller 4 and the butt roller 5, and the printing pair roller device imprints at least two supporting ribs on the tab material belt 1.
The stamped position of the tab material belt 1 at the outlet of the device is positioned on the upper side of the tab material belt 1. By means of the structure, the concave direction of printing is downward. By the structure, the bending resistance of the two sides of the tab material belt 1 is different, and the stamped position is arranged on the upper side, so that the downward bending resistance of the tab material belt 1 at the outlet position of the device under the corresponding posture is stronger. The embossing roller 4 is located above the abutment roller 5. The structure will be embossed with the stamp created on the upper side.
The embossing roller device is provided with a pressure sensor 6 for detecting pressure. The distance between the embossing roller 4 and the abutting roller 5 is controlled through the pressure sensor 6, so that the embossing roller 4 is prevented from being damaged by pressure. In some embodiments, the position of the embossing roller 4 or the abutting roller 5 is adjustable, at least one of the embossing roller 4 or the abutting roller 5 can be adjusted in the height direction according to the requirement, so that the distance between the embossing roller 4 and the abutting roller 5 is changed, and the reasonable pressure of the embossing pair roller device to the tab material belt 1 is controlled through the pressure sensor 6. The adjustment of the position of the embossing roller 4 or the abutment roller 5 can be either manual or automatic. In an automatic scheme, the embodiment adopts a telescopic end drive of a cylinder or a motor for control.
According to the application, the bending strength of the tab is improved by providing the supporting ribs for the tab, so that the bending-down amplitude of the tab is lower under the same condition. The support ribs on the tab material strip 1 are formed by printing the paired rollers. The embossing roller 4 produces corresponding impressions for the tab strip 1, which form support ribs, which enable the tab strip 1 to be formed from sheet bodies into a three-dimensional structure with a support structure, and which strengthen the bending resistance of the tab strip 1. The unreeling roller 2 is used for outputting the tab material belt 1, and the tab material belt 1 is guided by the guide roller 3. The tab material belt 1 is always tensioned on the tab bending-resistant printing device.
As shown in fig. 2, in this embodiment, the embossing marks of the embossing roller 4 are related to the bending resistance of the tab tape 1, and in particular, in some embodiments, the supporting ribs are disposed along the length direction of the tab tape 1. In other embodiments, the support ribs are diagonal.
The above-described embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (6)
1. The utility model provides a resist bending stamp device of utmost point ear, characterized by, including the unwinding roller, guide roll and the stamp pair roller device that the winding has utmost point ear material area, the utmost point ear material area that the unwinding roller was drawn forth enters into between the stamp pair roller device behind the guide roll, and the stamp pair roller device includes stamp roller and butt roller, is equipped with the stamp terrace die on the stamp roller, the utmost point ear material area passes through between stamp roller and the butt roller, stamp pair roller device is to the embossing of utmost point ear material area two piece at least supporting ribs.
2. A tab bending-resistant printing apparatus according to claim 1, wherein the stamped location of the tab strip at the outlet of the apparatus is located on the upper side of the tab strip.
3. A tab bending resistant embossing apparatus as set forth in claim 2 wherein the embossing roller is located above the abutment roller.
4. The tab bending-resistant printing device according to claim 1, wherein the printing counter roller device is provided with a pressure sensor for detecting pressure.
5. A tab bending-resistant printing apparatus according to any one of claims 1 to 4, wherein the support ribs are provided along the width direction of the tab strip.
6. A tab bending resistant printing apparatus according to any one of claims 1 to 4 wherein the support ribs are diagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322942508.0U CN221161856U (en) | 2023-11-01 | 2023-11-01 | Anti-bending printing device for tab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322942508.0U CN221161856U (en) | 2023-11-01 | 2023-11-01 | Anti-bending printing device for tab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221161856U true CN221161856U (en) | 2024-06-18 |
Family
ID=91536755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322942508.0U Active CN221161856U (en) | 2023-11-01 | 2023-11-01 | Anti-bending printing device for tab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221161856U (en) |
-
2023
- 2023-11-01 CN CN202322942508.0U patent/CN221161856U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |