CN113063790A - Lithium battery pole piece burr detection device - Google Patents
Lithium battery pole piece burr detection device Download PDFInfo
- Publication number
- CN113063790A CN113063790A CN202110295641.4A CN202110295641A CN113063790A CN 113063790 A CN113063790 A CN 113063790A CN 202110295641 A CN202110295641 A CN 202110295641A CN 113063790 A CN113063790 A CN 113063790A
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- CN
- China
- Prior art keywords
- platform
- pole piece
- carrier
- lithium battery
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 63
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8867—Grading and classifying of flaws using sequentially two or more inspection runs, e.g. coarse and fine, or detecting then analysing
- G01N2021/887—Grading and classifying of flaws using sequentially two or more inspection runs, e.g. coarse and fine, or detecting then analysing the measurements made in two or more directions, angles, positions
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- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Secondary Cells (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a lithium battery pole piece burr detection device which comprises a two-dimensional detection platform, a carrier and a fixing piece, wherein the carrier is provided with a first platform and a second platform which are perpendicular to each other, and the width of the first platform and the width of the second platform are smaller than that of a pole piece; the width of the fixing piece is smaller than that of the pole piece. The detection device is simple to manufacture, economical and practical, and the specification of the carrier can be changed so as to be matched with pole pieces with different specifications for detection; the detection method is convenient and quick, and has high efficiency.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a lithium battery pole piece burr detection device.
Background
Because cutter wearing and tearing lithium battery pole piece cuts the back and produces the burr easily on the pole piece edge, too big burr pierces through the diaphragm very easily for the diaphragm is damaged, thereby leads to the inside short circuit of electricity core and scraps, and serious person still may appear the safety problem. Therefore, the burr detection of the lithium battery pole piece which is convenient and quick to carry out in the pole piece production process is particularly important.
Most of the existing detection methods are that a lithium battery pole piece is tiled and placed on a secondary element detection platform, and then a secondary element is used for obtaining an image of burrs on the lithium battery pole piece.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a lithium battery pole piece burr detection device, which can achieve the aim of detecting longitudinal burrs vertical to the direction of a pole piece and improve the detection efficiency.
The invention adopts the following technical scheme:
a lithium battery pole piece burr detection device comprises a two-dimensional detection platform, a carrier and a fixing piece, wherein the carrier is provided with a first platform and a second platform which are perpendicular to each other, and the width of the first platform and the width of the second platform are smaller than the width of a pole piece; the width of the fixing piece is smaller than that of the pole piece.
Furthermore, the carrier can be turned over, when the carrier is placed on the secondary element detection platform, the first platform is in contact with the secondary element detection platform, and the second platform is perpendicular to the secondary element detection platform; the second platform is in contact with the secondary element detection platform, and the first platform is perpendicular to the secondary element detection platform.
Further, the first platform and the second platform can both be used for placing the pole piece.
Furthermore, the carrier is made of PVC materials.
Furthermore, the fixing piece is made of metal.
The invention has the beneficial effects that:
(1) the detection device provided by the invention changes the shooting direction of the detection instrument by turning over the carrier, so that not only can transverse burrs on the pole piece be detected, but also longitudinal burrs vertical to the pole piece can be detected, and the detection method is convenient and rapid and has higher efficiency.
(2) The detection device is simple to manufacture, economical and practical, and the specification of the carrier can be changed so as to be matched with pole pieces with different specifications for detection.
Drawings
FIG. 1 is a schematic view of a vehicle according to the present invention;
FIG. 2 is a schematic view of a fastener of the present invention;
FIG. 3 is a first schematic diagram of the carrier placed on the second dimension detection platform;
fig. 4 is a second schematic diagram of the carrier placed on the two-dimensional detection platform.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
As shown in fig. 1 to 4, the present embodiment provides a lithium battery pole piece burr detection apparatus, which includes a two-dimensional detection platform 1, a carrier 2, and a fixing element 3, wherein the carrier 2 is provided with a first platform 21 and a second platform 22 that are perpendicular to each other, a width of the first platform 21 and a width of the second platform 22 are smaller than a width of a pole piece 4, and a width of the fixing element 3 is smaller than a width of the pole piece 4.
Further, the carrier 2 can be turned over, when the carrier 2 is placed on the secondary element detection platform 1, the first platform 21 is in contact with the secondary element detection platform 1, and the second platform 22 is perpendicular to the secondary element detection platform 1; and turning over the carrier 2 to enable the second platform 22 to be in contact with the secondary element detection platform 1, wherein the first platform 21 is perpendicular to the secondary element detection platform 1.
Furthermore, the first platform 21 and the second platform 22 can both hold the pole piece 4, and the first platform 21 and the second platform 22 can be used separately or simultaneously.
When the pole piece is placed on the first platform or the second platform of the carrier, the edge of the pole piece protrudes out of the first platform or the second platform, the edge of the pole piece to be detected faces outwards, the fixing piece is used for tightly pressing and fixing the pole piece, the carrier is placed on the secondary detection platform, and a detection instrument of the secondary detection platform is aligned to the edge of the pole piece.
As shown in fig. 3, the pole piece 4 is laid on the first platform 21, the carrier 2 is placed on the secondary element detection platform 1, the first platform 21 is in contact with the secondary element detection platform 1, the second platform 22 is perpendicular to the secondary element detection platform 1, and the pole piece 4 is parallel to the secondary element detection platform 1; in fig. 3, the arrow is the shooting direction, the detection instrument shoots the pole piece 4 vertically in the forward direction, and the transverse burr on the pole piece 4 can be detected.
Turning over the carrier, as shown in fig. 4, making the second platform 22 contact with the secondary element detection platform 1, the first platform 21 being perpendicular to the secondary element detection platform 1, and the pole piece 4 being perpendicular to the secondary element detection platform 1; the arrow in fig. 4 is the shooting direction, and the detection instrument shoots vertically from the side of the pole piece 4, and can detect the longitudinal burr on the pole piece 4.
In this embodiment, the carrier adopts the PVC material, the mounting adopts metal material.
The working principle of the device for detecting the burrs of the lithium battery pole piece is as follows:
during detection, a pole piece is laid on a first platform of a carrier, the edge of the pole piece faces outwards, a fixing piece is close to the first platform along a second platform, the pole piece is tightly pressed and fixed by the fixing piece, the whole carrier is placed on a secondary element detection platform, the pole piece is parallel to the secondary element detection platform, a lens of a detection instrument is adjusted to focus transverse burrs on the edge of the pole piece, transverse burr data are shot and read, the carrier is turned over to adjust the direction, the second platform is placed on the secondary element detection platform, the first platform is perpendicular to the secondary element detection platform, the pole piece is perpendicular to the secondary element detection platform, and longitudinal burrs can be quickly read from the side face of the pole piece after the lens is adjusted to focus.
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (5)
1. The device for detecting the burrs of the lithium battery pole piece comprises a secondary element detection platform (1) and is characterized by further comprising a carrier (2) and a fixing piece (3), wherein the carrier (2) is provided with a first platform (21) and a second platform (22) which are perpendicular to each other, and the width of the first platform (21) and the width of the second platform (22) are both smaller than the width of the pole piece (4); the width of the fixing piece (3) is smaller than that of the pole piece (4).
2. The lithium battery pole piece burr detection device of claim 1, wherein the carrier (2) is reversible, and when the carrier (2) is placed on the secondary element detection platform (1), the first platform (21) is in contact with the secondary element detection platform (1), and the second platform (22) is perpendicular to the secondary element detection platform (1); when the second platform (22) is in contact with the secondary element detection platform (1), the first platform (21) is perpendicular to the secondary element detection platform (1).
3. The lithium battery pole piece burr detection device of claim 1, characterized in that the first platform (21) and the second platform (22) can both place the pole piece (4).
4. The lithium battery pole piece burr detection device of claim 1, characterized in that, the carrier (2) adopts PVC material.
5. The lithium battery pole piece burr detection device of claim 1, characterized in that, the fixing piece (3) is made of metal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110295641.4A CN113063790A (en) | 2021-03-19 | 2021-03-19 | Lithium battery pole piece burr detection device |
Applications Claiming Priority (1)
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CN202110295641.4A CN113063790A (en) | 2021-03-19 | 2021-03-19 | Lithium battery pole piece burr detection device |
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CN113063790A true CN113063790A (en) | 2021-07-02 |
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CN202110295641.4A Pending CN113063790A (en) | 2021-03-19 | 2021-03-19 | Lithium battery pole piece burr detection device |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205482855U (en) * | 2015-12-22 | 2016-08-17 | 深圳市慧通天下科技股份有限公司 | Burr detects anchor clamps |
CN207816851U (en) * | 2018-03-01 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Detection device |
CN209247651U (en) * | 2018-10-11 | 2019-08-13 | 广东斯玛特自动化科技有限公司 | A kind of burr detection device of lithium battery pole slice |
WO2020052377A1 (en) * | 2018-09-11 | 2020-03-19 | 东莞市和明机械有限公司 | Automatic electrode plate feeding process based on application of square lithium battery, and positioning device |
US20210370313A1 (en) * | 2018-11-12 | 2021-12-02 | Lumiradx Uk Ltd. | A magnetic assembly for use in a device for conducting assays |
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2021
- 2021-03-19 CN CN202110295641.4A patent/CN113063790A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205482855U (en) * | 2015-12-22 | 2016-08-17 | 深圳市慧通天下科技股份有限公司 | Burr detects anchor clamps |
CN207816851U (en) * | 2018-03-01 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Detection device |
WO2020052377A1 (en) * | 2018-09-11 | 2020-03-19 | 东莞市和明机械有限公司 | Automatic electrode plate feeding process based on application of square lithium battery, and positioning device |
CN209247651U (en) * | 2018-10-11 | 2019-08-13 | 广东斯玛特自动化科技有限公司 | A kind of burr detection device of lithium battery pole slice |
US20210370313A1 (en) * | 2018-11-12 | 2021-12-02 | Lumiradx Uk Ltd. | A magnetic assembly for use in a device for conducting assays |
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