CN212340272U - Burr detection device - Google Patents

Burr detection device Download PDF

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Publication number
CN212340272U
CN212340272U CN202020770096.0U CN202020770096U CN212340272U CN 212340272 U CN212340272 U CN 212340272U CN 202020770096 U CN202020770096 U CN 202020770096U CN 212340272 U CN212340272 U CN 212340272U
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Prior art keywords
roller
tester
burr
pole piece
probe
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CN202020770096.0U
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Chinese (zh)
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秦琦
黄玉元
蒋世用
夏勇
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Tianjin Yinlong Energy Co ltd
Yinlong New Energy Co Ltd
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Tianjin Yinlong Energy Co ltd
Yinlong New Energy Co Ltd
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Abstract

The utility model provides a burr detection device, which comprises a first roller, a second roller, a first diaphragm, a first tester and a first probe, wherein the first roller is rotatably arranged; the second roller is rotatably arranged, and the second roller and the first roller are used for clamping and conveying pole pieces; the first membrane is wrapped on the circumference of the first roller; the first tester is electrically connected with the first roller; the first probe is electrically connected with the first tester and is used for abutting against the pole piece; under the condition that the burr on the first side of pole piece is greater than preset size, the burr on the first side punctures first diaphragm after contacting with first diaphragm, and the pole piece switches on with first cylinder, and first tester sends alarm information. By adopting the scheme, the continuity detection of burrs can be automatically realized in the process of conveying the pole piece, the operation is simple, the detection efficiency is high, and the detection is comprehensive. In addition, the first roller and the second roller have the improvement effects of improving the internal tension of the pole piece, reducing wavy edges, smoothing the pole lugs and the like.

Description

Burr detection device
Technical Field
The utility model relates to a battery production technical field particularly, relates to a burr detection device.
Background
With the rapid development of new energy industry, the production technology of lithium ion batteries tends to mature increasingly, and each of the well-known enterprises has unique production characteristics, but the same attention on the safety performance of the lithium ion batteries is important, and the safety performance of the lithium ion batteries needs to be improved continuously in the manufacturing process, so that the quality of the batteries is better. Lithium ion batteries have many problems in the manufacturing process, wherein the burrs of the pole piece are important indexes affecting the safety performance of the battery.
The pole piece can produce the burr in process of production, if the burr size is too big, can pierce through the diaphragm, causes the short circuit of battery positive negative pole, consequently is important to the quality management and control of pole piece burr especially. In general industry, cutting, sampling and sampling are performed off line, and burr size is measured by using a quadratic element measuring instrument or a microscope, so that time and labor are wasted, materials are wasted, the possibility of missing detection in sampling is high, and the safety performance risk of the battery is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a burr detection device to improve the detection efficiency of antipodal piece burr and the comprehensiveness that detects.
In order to achieve the above object, the utility model provides a burr detection device, include: a first roller rotatably disposed; the second roller is rotatably arranged, and the second roller and the first roller are used for clamping and conveying pole pieces; a first membrane wrapped around a circumference of the first roller; a first tester electrically connected to the first roller; the first probe is electrically connected with the first tester and is used for abutting against the pole piece; under the condition that burrs on the first side of the pole piece are larger than a preset size, the burrs on the first side are contacted with the first diaphragm to pierce the first diaphragm, the pole piece is conducted with the first roller, and the first tester sends alarm information.
Further, the burr detection device further includes: a second membrane wrapped around the circumference of the second drum; a second tester electrically connected to the second roller; the second probe is electrically connected with the second tester and is used for abutting against the pole piece; under the condition that burrs on the second side of the pole piece are larger than a preset size, the burrs on the second side contact with the second diaphragm to pierce the second diaphragm, the pole piece is conducted with the second roller, and the second tester sends alarm information.
Further, the first roller and the second roller are both made of a metal material.
Further, the first tester and the second tester are both insulation resistance testers.
Further, the first membrane is replaceably wrapped around a circumference of the first drum.
Further, the second membrane is replaceably wrapped around a circumference of the second drum.
Further, the first tester comprises a first main body and a first audible and visual alarm arranged on the first main body, the first roller and the first probe are electrically connected with the first main body, and the first main body is used for testing internal resistance.
Furthermore, the second tester comprises a second main body and a second audible and visual alarm arranged on the second main body, the second roller and the second probe are electrically connected with the second main body, and the second main body is used for testing the internal resistance.
Further, the burr detection device further includes: the driving part is in driving connection with the first roller and the second roller so as to drive the first roller and the second roller to rotate.
Further, a distance between the first roller and the second roller is adjustably set.
The technical scheme of the utility model is applied, a burr detection device is provided, the burr detection device comprises a first roller, a second roller, a first diaphragm, a first tester and a first probe, the first roller is rotatably arranged; the second roller is rotatably arranged, and the second roller and the first roller are used for clamping and conveying pole pieces; the first membrane is wrapped on the circumference of the first roller; the first tester is electrically connected with the first roller; the first probe is electrically connected with the first tester and is used for abutting against the pole piece; under the condition that the burr on the first side of pole piece is greater than preset size, the burr on the first side punctures first diaphragm after contacting with first diaphragm, and the pole piece switches on with first cylinder, and first tester sends alarm information. By adopting the scheme, the continuity detection of burrs can be automatically realized in the process of conveying the pole piece, so that offline sampling is not needed, the operation is simple, the detection efficiency is high, and the detection is comprehensive. In addition, the first roller and the second roller have the improvement effects of improving the internal tension of the pole piece, reducing wavy edges, smoothing the pole lugs and the like. Therefore, the scheme improves the production efficiency, the quality and the reliability of the pole piece.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a burr detection device provided by an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a first drum; 20. a second drum; 30. a first diaphragm; 40. a first tester; 50. a first probe; 60. a second diaphragm; 70. a second tester; 80. a second probe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in the drawings, the embodiment of the utility model provides a burr detection device, include: a first roller 10, the first roller 10 being rotatably provided; a second roller 20, wherein the second roller 20 is rotatably arranged, and the second roller 20 and the first roller 10 are used for clamping and conveying pole pieces; a first membrane 30, the first membrane 30 being wrapped around the circumference of the first roller 10; a first tester 40, the first tester 40 being electrically connected to the first roller 10; the first probe 50, the first probe 50 is electrically connected with the first tester 40, the first probe 50 is used for abutting against the pole piece; under the condition that the burr on the first side of the pole piece is larger than the preset size, the burr on the first side is contacted with the first diaphragm 30 and then pierces the first diaphragm 30, the pole piece is conducted with the first roller 10, and the first tester 40 sends out alarm information.
The technical scheme of the utility model is applied, a burr detection device is provided, the burr detection device comprises a first roller 10, a second roller 20, a first diaphragm 30, a first tester 40 and a first probe 50, the first roller 10 is rotatably arranged; the second roller 20 is arranged in a rotatable way, and the second roller 20 and the first roller 10 are used for clamping and conveying pole pieces; the first membrane 30 is wrapped around the circumference of the first cylinder 10; the first tester 40 is electrically connected with the first roller 10; the first probe 50 is electrically connected with the first tester 40, and the first probe 50 is used for abutting against the pole piece; under the condition that the burr on the first side of the pole piece is larger than the preset size, the burr on the first side is contacted with the first diaphragm 30 and then pierces the first diaphragm 30, the pole piece is conducted with the first roller 10, and the first tester 40 sends out alarm information. By adopting the scheme, the continuity detection of burrs can be automatically realized in the process of conveying the pole piece, so that offline sampling is not needed, the operation is simple, the detection efficiency is high, and the detection is comprehensive. The first roller 10 and the second roller 20 have the improvement effects of improving the internal tension of the pole pieces, reducing the wavy edges, smoothing the tabs, and the like. Therefore, the scheme improves the production efficiency, the quality and the reliability of the pole piece.
In this embodiment, the burr detection device further includes: a second membrane 60, the second membrane 60 being wrapped around the circumference of the second roller 20; a second tester 70, the second tester 70 being electrically connected to the second drum 20; the second probe 80, the second probe 80 is electrically connected with the second tester 70, the second probe 80 is used for abutting against the pole piece; under the condition that the burr on the second side of the pole piece is larger than the preset size, the burr on the second side is contacted with the second diaphragm 60 and then pierces the second diaphragm 60, the pole piece is conducted with the second roller 20, and the second tester 70 sends out alarm information. This allows for automatic detection of burrs on the second side of the pole piece by the cooperation of the second membrane 60, the second tester 70, the second probe 80 and the second roller 20. Therefore, two surfaces of the pole piece can be automatically detected at the same time, and the detection efficiency is high.
In the present embodiment, the first and second rollers 10 and 20 are made of a metal material. The adoption of metal materials is convenient for realizing conductive communication and has high structural strength.
Specifically, the first tester 40 and the second tester 70 are both insulation resistance testers. The insulation resistance tester is adopted to measure accurately, and the result is reliable.
In the present embodiment, the first diaphragm 30 is replaceably wrapped around the circumference of the first drum 10. So that the first diaphragm 30 can be replaced after being pierced by the burr for subsequent testing.
Accordingly, the second membrane 60 is replaceably wrapped around the circumference of the second drum 20. So that the second diaphragm 60 can be replaced after being pierced by the burr for subsequent testing.
Specifically, in the present embodiment, the first tester 40 includes a first body to which the first roller 10 and the first probe 50 are electrically connected, and a first audible and visual alarm provided on the first body, which is used for the internal resistance test. Through the setting, after the circuit switched on, the resistance that first main part detected changed, and audible-visual annunciator can in time send audible-visual annunciator to remind personnel to handle the burr that is detected out.
Accordingly, the second tester 70 includes a second body to which both the second drum 20 and the second probe 80 are electrically connected, and a second audible alarm provided on the second body, which is used for the internal resistance test. Through the setting, after the circuit switched on, the resistance that the second main part detected changed, and reputation alarm information can in time be sent to the second reputation alarm to remind personnel to handle the burr that is detected out.
In this embodiment, the burr detection device further includes: and the driving part is in driving connection with the first roller 10 and the second roller 20 so as to drive the first roller 10 and the second roller 20 to rotate. Thus, the first roller 10 and the second roller 20 can be driven to rotate synchronously by a driving part, and the control is convenient.
Further, the distance between the first roller 10 and the second roller 20 is adjustably set. Therefore, the distance between the first roller 10 and the second roller 20 can be adjusted according to pole pieces with different thicknesses, and the applicability is strong.
In order to facilitate understanding of the present embodiment, the use of the burr detection device will be described below.
In the normal production process of the battery pole piece, the diaphragm is adhered to the metal roller in advance, the metal roller is connected with the insulation resistance tester through a lead, the other end of the insulation resistance tester is conducted with the edge of the pole piece through a probe, and the insulation resistance tester is in a long-open state under a certain voltage.
In the production process, the upper roller and the lower roller are pressed on the edge of the pole piece through certain opposite pressure, when the pole piece has no burrs, the insulation resistance tester is not conducted, the internal resistance test is greater than a certain limit value (or infinite), at the moment, the insulation resistance tester is tested to be qualified, and continuous production is continued; when the pole piece is subjected to burr NG, the burr pierces the diaphragm, so that the pole piece is conducted with the metal roller through the burr piercing point, a connection mode of the pole piece, the burr, the metal roller, the insulation tester, the probe and the pole piece is generated, the internal resistance tester tests that the internal resistance result is less than a certain limit value, the NG is tested, the audible and visual alarm device can be connected, the production is suspended in time, the relevant correction of the burr of the pole piece is carried out, the diaphragm is replaced after the correction is qualified, and continuous production can be carried out again.
Meanwhile, the pole piece is produced by rolling, die cutting and other processes, so that the extension of a dressing area inside the pole piece and a foil area at the edge of the pole piece is inconsistent, the tension inside the pole piece is inconsistent, and the phenomena of pole piece wrinkles, wavy edges and the like are caused.
This device carries out online burr detection in process of production, need not take a sample alone again, the microscope shines carries out the burr measurement, and it is extravagant to reduce the sample material, test time is extravagant, has improved production efficiency, and carries out actual extrusion formula according to the diaphragm of in-service use and detect, has improved burr measuring accuracy, reliability, and cylinder possesses improvement effect such as improving pole piece internal tension, reducing the rippled edge, smoothing utmost point ear about this device simultaneously.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A burr detection device, comprising:
a first roller (10), the first roller (10) being rotatably disposed;
a second roller (20), wherein the second roller (20) is rotatably arranged, and the second roller (20) and the first roller (10) are used for clamping and conveying pole pieces;
a first membrane (30), said first membrane (30) being wrapped on the circumference of said first drum (10);
a first tester (40), said first tester (40) being electrically connected to said first drum (10);
a first probe (50), said first probe (50) being electrically connected to said first tester (40), said first probe (50) being adapted to abut against said pole piece;
burr on the first side of pole piece is greater than under the condition of predetermineeing the size, burr on the first side with first diaphragm (30) contact back punctures first diaphragm (30), the pole piece with first cylinder (10) switch on, first tester (40) send alarm information.
2. The burr detection device of claim 1, further comprising:
a second membrane (60), the second membrane (60) being wrapped around the circumference of the second drum (20);
a second tester (70), the second tester (70) being electrically connected to the second drum (20);
a second probe (80), the second probe (80) being electrically connected to the second tester (70), the second probe (80) being adapted to abut against the pole piece;
under the condition that the burr on the second side of pole piece is greater than preset size, the burr on the second side with second diaphragm (60) contact back puncture second diaphragm (60), the pole piece with second cylinder (20) switch on, second tester (70) send alarm information.
3. The burr detecting device of claim 1, characterized in that the first roller (10) and the second roller (20) are each made of a metal material.
4. The burr detection device of claim 2, wherein the first tester (40) and the second tester (70) are both insulation resistance testers.
5. The burr detecting device of claim 1, characterized in that the first membrane (30) is exchangeably wrapped on the circumference of the first drum (10).
6. The burr detection device of claim 2, characterized in that the second membrane (60) is exchangeably wrapped on the circumference of the second drum (20).
7. The burr detection device of claim 1, characterized in that the first tester (40) comprises a first body to which both the first roller (10) and the first probe (50) are electrically connected and a first audible and visual alarm provided on the first body for an internal resistance test.
8. The burr detection device of claim 2, characterized in that the second tester (70) comprises a second body to which the second roller (20) and the second probe (80) are electrically connected, and a second audible alarm provided on the second body for internal resistance testing.
9. The burr detection device of claim 1, further comprising:
the driving part is in driving connection with the first roller (10) and the second roller (20) so as to drive the first roller (10) and the second roller (20) to rotate.
10. The burr detecting device according to claim 1, characterized in that a distance between the first roller (10) and the second roller (20) is adjustably set.
CN202020770096.0U 2020-05-11 2020-05-11 Burr detection device Active CN212340272U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020770096.0U CN212340272U (en) 2020-05-11 2020-05-11 Burr detection device

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Application Number Priority Date Filing Date Title
CN202020770096.0U CN212340272U (en) 2020-05-11 2020-05-11 Burr detection device

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Publication Number Publication Date
CN212340272U true CN212340272U (en) 2021-01-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113433170A (en) * 2021-06-29 2021-09-24 福达合金材料股份有限公司 Method for dynamically detecting physical properties of electrical contact material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113433170A (en) * 2021-06-29 2021-09-24 福达合金材料股份有限公司 Method for dynamically detecting physical properties of electrical contact material

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