CN106950221B - Handheld coating symmetry detection device and detection method - Google Patents
Handheld coating symmetry detection device and detection method Download PDFInfo
- Publication number
- CN106950221B CN106950221B CN201710298008.4A CN201710298008A CN106950221B CN 106950221 B CN106950221 B CN 106950221B CN 201710298008 A CN201710298008 A CN 201710298008A CN 106950221 B CN106950221 B CN 106950221B
- Authority
- CN
- China
- Prior art keywords
- laser
- main frame
- plane mirror
- coating
- fixed
- 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.)
- Active
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000011248 coating agent Substances 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000002002 slurry Substances 0.000 abstract 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000001444 catalytic combustion detection Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
Classifications
-
- 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
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
-
- 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
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
- G01N2021/8427—Coatings
Abstract
The invention relates to a handheld coating symmetry detection device and a detection method, wherein the device comprises a main frame, an upper laser fixed at the upper end of the main frame, a lower laser fixed at the lower end of the main frame and a plane mirror fixed on the main frame through a plane mirror support post; the emitting ports of the upper laser and the lower laser are opposite, the upper laser and the lower laser are positioned on the same vertical line, and the position of the plane mirror can be used for reflecting the laser beam connecting line of the upper laser and the lower laser. The device uses a symmetrical laser beam irradiation mode before entering an oven after coating of a coating machine is completed, and confirms whether the upper surface and the lower surface of the battery slurry coated on the surface of the current collector are symmetrical or not by utilizing the plane mirror reflection principle. The device has the advantages of low manufacturing cost, simple use and high efficiency, and can rapidly finish the symmetrical detection of the upper surface and the lower surface during the coating operation, thereby ensuring the quality of the produced battery.
Description
Technical Field
The invention relates to the field of lithium ion battery manufacturing, in particular to a handheld coating symmetry detection device and a detection method.
Background
In the lithium ion battery production process, flaking is a key of the whole production, coating operation is a difficulty of flaking operation, and coating symmetry is more relevant to the performance of the whole batch of batteries.
In the actual production process, the coating machine is operated continuously, and the coating symmetry detection needs to be performed intermittently. In the slow coating process, the traditional coating symmetry detection method uses a needling mode to perforate the slurry coating boundary, and judges whether symmetry exists or not by observing the upper and lower hole sites, but the traditional coating symmetry detection method cannot be implemented for high-speed coating; the device with higher automation is carried out by using a CCD detection mode, but the station is seriously polluted, the upper and lower double CCDs are difficult to calibrate, and the actual detection condition is poor. Therefore, the real-time symmetric detection of coating is difficult to be effectively carried out in many cases, and brings great hidden trouble to production.
Disclosure of Invention
The invention aims to provide a handheld coating symmetry detection device and a detection method, which solve the problem of difficult coating symmetry detection in actual battery production, improve the detection efficiency and accuracy and ensure the consistency of batteries.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a handheld coating symmetry detection device comprises a main frame, an upper laser fixed at the upper end of the main frame, a lower laser fixed at the lower end of the main frame and a plane mirror fixed on the main frame through a plane mirror support post; the emitting ports of the upper laser and the lower laser are opposite, the upper laser and the lower laser are positioned on the same vertical line, and the position of the plane mirror can be used for reflecting the laser beam connecting line of the upper laser and the lower laser.
Preferably, the main frame comprises a -shaped structure consisting of an upper beam, side longitudinal beams and a lower beam, the upper laser and the lower laser are respectively symmetrically fixed on the upper beam and the lower beam, one end of the lower beam, which is positioned at the opening side, is outwards extended to form a side beam perpendicular to the lower beam, and the plane mirror support is perpendicularly fixed on the side beam.
Preferably, the main frame is made of aluminum profiles.
The detection method of the handheld coating symmetry detection device comprises the following steps:
1) Calibrating the upper laser and the lower laser so that the upper and lower laser beams remain on the same straight line;
2) The hand-held main frame is moved to align the upper laser beam focus of the upper laser with the upper surface coating edge
3) Adjusting the angle of the plane mirror, and observing whether the focus of the lower laser beam of the lower laser is aligned with the coating edge of the lower surface; if aligned, it can be determined that the upper surface coating and the lower surface coating are symmetrical, otherwise, asymmetrical.
The device and the detection method are simple and reliable, solve the problem of difficult symmetrical detection of coating in the current practical battery production, improve the detection efficiency and accuracy and ensure the consistency of the battery.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the detection of the present invention;
in the figure: 1-plane mirror, 2-plane mirror support, 3-main frame, 31-upper beam, 32-lower beam, 33-side beam, 34-side beam, 4-lower laser, 5-upper laser, 6-laser beam, 7-coating area, 8-blank area.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1, a hand-held coating symmetry detection device comprises a main frame 3, a lower laser 4, an upper laser 5, a plane mirror 1 and a plane mirror support post 2.
The main frame 3 comprises a -shaped structure formed by an upper cross beam 31, side longitudinal beams 33 and a lower cross beam 32, the upper laser 5 and the lower laser 4 are symmetrically fixed on the upper cross beam 31 and the lower cross beam 32 respectively, the emitting ports of the upper laser 5 and the lower laser 4 are opposite, and the upper laser 5 and the lower laser 4 are positioned on the same vertical line so as to ensure that the upper laser beam and the lower laser beam are on the same straight line.
The end of the lower beam 32 at the opening side is outwards extended with a side beam 34 vertical to the lower beam 32, the plane mirror support post 2 is vertically fixed on the side beam 34, the plane mirror 1 is arranged on the plane mirror 2 support post, the direction can be freely adjusted, and the position of the plane mirror 1 can be ensured to map out the laser beam connecting line of the upper laser 5 and the lower laser 4.
The detection method of the invention comprises the following steps:
referring to fig. 2, first, the upper laser 5 and the lower laser 4 are aligned so that the upper and lower laser beams remain on the same straight line; then, the side member 33 of the hand-held main frame 3 is moved to align the upper laser beam focal point of the upper laser with the upper surface coating edge (coating edge, i.e., the boundary between the coating area 7 and the blank area 8); finally, the angle of the plane mirror 1 is adjusted to map out the lower surface coating and the lower laser beam, and whether the lower laser beam focus of the lower laser 4 is aligned with the lower surface coating edge or not is observed; if aligned, it can be determined that the upper surface coating and the lower surface coating are symmetrical, otherwise, asymmetrical.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (3)
1. A hand-held coating symmetry detection method is characterized in that: the laser comprises a main frame, an upper laser fixed at the upper end of the main frame, a lower laser fixed at the lower end of the main frame and a plane mirror fixed on the main frame through a plane mirror support post; the emitting ports of the upper laser and the lower laser are opposite, the upper laser and the lower laser are positioned on the same vertical line, the position of the plane mirror can map out the laser beam connecting line of the upper laser and the lower laser, and the detection method is operated according to the following steps:
1) Calibrating the upper laser and the lower laser so that the upper and lower laser beams remain on the same straight line;
2) The hand-held main frame is moved to align the upper laser beam focus of the upper laser with the upper surface coating edge;
3) Adjusting the angle of the plane mirror, and observing whether the focus of the lower laser beam of the lower laser is aligned with the coating edge of the lower surface; if aligned, it can be determined that the upper surface coating and the lower surface coating are symmetrical, otherwise, asymmetrical.
2. The method for detecting symmetry of a hand-held coating according to claim 1, wherein: the main frame comprises a -shaped structure formed by an upper beam, side longitudinal beams and a lower beam, the upper laser and the lower laser are respectively symmetrically fixed on the upper beam and the lower beam, one end of the lower beam, which is positioned at the opening side, is outwards extended to form a side beam perpendicular to the lower beam, and the plane mirror support is perpendicularly fixed on the side beam.
3. The method for detecting symmetry of a hand-held coating according to claim 1, wherein: the main frame is made of aluminum profiles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298008.4A CN106950221B (en) | 2017-04-29 | 2017-04-29 | Handheld coating symmetry detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298008.4A CN106950221B (en) | 2017-04-29 | 2017-04-29 | Handheld coating symmetry detection device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950221A CN106950221A (en) | 2017-07-14 |
| CN106950221B true CN106950221B (en) | 2023-11-03 |
Family
ID=59477828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710298008.4A Active CN106950221B (en) | 2017-04-29 | 2017-04-29 | Handheld coating symmetry detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106950221B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682328B (en) * | 2018-10-30 | 2021-01-01 | 安泰科技股份有限公司 | Tile-shaped material symmetry selecting system and method |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07167614A (en) * | 1993-12-15 | 1995-07-04 | Hitachi Ltd | Alignment method and apparatus |
| JP2002057096A (en) * | 2000-08-15 | 2002-02-22 | Nikon Corp | Method for detecting mark position, method for aligning substrate, aligner, and method for manufacturing device |
| CN201848368U (en) * | 2010-09-10 | 2011-06-01 | 万向电动汽车有限公司 | Lithium battery electrode plate coating front and back side vertical alignment degree test device |
| DE102009059245A1 (en) * | 2009-12-21 | 2011-06-22 | LT Ultra-Precision-Technology GmbH, 88634 | Method and device for detecting and adjusting the focus of a laser beam in the laser machining of workpieces |
| CN102310285A (en) * | 2011-07-27 | 2012-01-11 | 苏州德龙激光有限公司 | Laser processing device of silicon glass bonding slice and method thereof |
| CN202709993U (en) * | 2012-06-06 | 2013-01-30 | 天津力神电池股份有限公司 | Apparatus for detecting lithium ion battery pole piece coating surface alignment degree |
| CN103925891A (en) * | 2014-04-01 | 2014-07-16 | 中国人民解放军63863部队 | Auxiliary collimation device of autocollimator |
| KR20140142985A (en) * | 2013-06-05 | 2014-12-15 | 한국기계연구원 | Straightness measuring apparatus for line pattern on roll and Straightness measuring method for using the same |
| CN104279988A (en) * | 2014-10-31 | 2015-01-14 | 天津市中重金属结构有限公司 | Shaft key groove symmetry degree measuring device |
| CN204612664U (en) * | 2015-05-26 | 2015-09-02 | 天津力神电池股份有限公司 | The degree of registration pick-up unit of pole piece |
| CN205238660U (en) * | 2015-12-16 | 2016-05-18 | 福建长信纸业包装有限公司 | Laser opposite side mechanism |
| CN105929460A (en) * | 2016-05-07 | 2016-09-07 | 合肥国轩高科动力能源有限公司 | Electrode subassembly alignment detection apparatus and detection method thereof |
| CN206056512U (en) * | 2016-08-31 | 2017-03-29 | 天津市捷威动力工业有限公司 | Detect for pole coating degree of registration and rectify a deviation the equipment for adjusting |
| CN206725457U (en) * | 2017-04-29 | 2017-12-08 | 合肥国轩高科动力能源有限公司 | A kind of hand-held is coated with symmetrical detection means |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6927849B2 (en) * | 2002-10-23 | 2005-08-09 | Furukawa Electric North America, Inc. | Optical fiber coating defect detector |
-
2017
- 2017-04-29 CN CN201710298008.4A patent/CN106950221B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07167614A (en) * | 1993-12-15 | 1995-07-04 | Hitachi Ltd | Alignment method and apparatus |
| JP2002057096A (en) * | 2000-08-15 | 2002-02-22 | Nikon Corp | Method for detecting mark position, method for aligning substrate, aligner, and method for manufacturing device |
| DE102009059245A1 (en) * | 2009-12-21 | 2011-06-22 | LT Ultra-Precision-Technology GmbH, 88634 | Method and device for detecting and adjusting the focus of a laser beam in the laser machining of workpieces |
| CN201848368U (en) * | 2010-09-10 | 2011-06-01 | 万向电动汽车有限公司 | Lithium battery electrode plate coating front and back side vertical alignment degree test device |
| CN102310285A (en) * | 2011-07-27 | 2012-01-11 | 苏州德龙激光有限公司 | Laser processing device of silicon glass bonding slice and method thereof |
| CN202709993U (en) * | 2012-06-06 | 2013-01-30 | 天津力神电池股份有限公司 | Apparatus for detecting lithium ion battery pole piece coating surface alignment degree |
| KR20140142985A (en) * | 2013-06-05 | 2014-12-15 | 한국기계연구원 | Straightness measuring apparatus for line pattern on roll and Straightness measuring method for using the same |
| CN103925891A (en) * | 2014-04-01 | 2014-07-16 | 中国人民解放军63863部队 | Auxiliary collimation device of autocollimator |
| CN104279988A (en) * | 2014-10-31 | 2015-01-14 | 天津市中重金属结构有限公司 | Shaft key groove symmetry degree measuring device |
| CN204612664U (en) * | 2015-05-26 | 2015-09-02 | 天津力神电池股份有限公司 | The degree of registration pick-up unit of pole piece |
| CN205238660U (en) * | 2015-12-16 | 2016-05-18 | 福建长信纸业包装有限公司 | Laser opposite side mechanism |
| CN105929460A (en) * | 2016-05-07 | 2016-09-07 | 合肥国轩高科动力能源有限公司 | Electrode subassembly alignment detection apparatus and detection method thereof |
| CN206056512U (en) * | 2016-08-31 | 2017-03-29 | 天津市捷威动力工业有限公司 | Detect for pole coating degree of registration and rectify a deviation the equipment for adjusting |
| CN206725457U (en) * | 2017-04-29 | 2017-12-08 | 合肥国轩高科动力能源有限公司 | A kind of hand-held is coated with symmetrical detection means |
Non-Patent Citations (2)
| Title |
|---|
| 半导体激光准直仪及其激光束漂移补偿研究;胡新和;杨博雄;;光学与光电技术(03);第25-27页 * |
| 惠东等.平面镜.《工厂基础物理》.昆明：云南人民出版社,1981,第292-293页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106950221A (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102201493A (en) | High-speed precision crystal silicon laser etching apparatus and method | |
| CN106950221B (en) | Handheld coating symmetry detection device and detection method | |
| CN102543637B (en) | Preparation method of in situ double-tilt electronic microscope sample rod | |
| CN204903420U (en) | Steel band hole defect automatic checkout device | |
| CN103639496A (en) | High-precision processing method for end-milling surface of large-section steel member | |
| CN111745615B (en) | Welding positioning line tool clamping fixture and scribing method | |
| CN102806428B (en) | Integral manufacturing method for container spreader | |
| CN102248289A (en) | Laser scribing insulation equipment for crystalline silicon solar cell | |
| CN102569710B (en) | Battery tab leveling dinking machine | |
| CN206725457U (en) | A kind of hand-held is coated with symmetrical detection means | |
| CN110181475A (en) | A kind of ellipse head solid scribble method | |
| CN207347940U (en) | A kind of deviation correcting device of prestressed anchor | |
| CN201906950U (en) | Welding tool of venting trough piece | |
| CN102632405A (en) | Device for machining inclined plane and inclined plane hole of box body part | |
| CN203184831U (en) | Multi-optical-path texturing head used for texturing machine tool | |
| CN104014963A (en) | Positioning device for welding metal sheet to battery block | |
| CN206535658U (en) | A kind of electric precipitator positive plate fast calibrating device | |
| CN214442678U (en) | Seal wire welding auxiliary clamping tool | |
| CN203918306U (en) | Weld metal sheet is to the positioner of battery block | |
| CN206689753U (en) | A kind of milling clamper for being used to reduce thin-wall frame frame clamping deformation | |
| CN211085009U (en) | Battery piece spot inspection tool | |
| CN205702998U (en) | Vehicle frame integrated positioning device under high-altitude operation vehicle | |
| CN209387496U (en) | A kind of dynamic lithium battery pole welding point metallographic test clamping device | |
| CN207824212U (en) | A kind of solar battery laser grooving apparatus | |
| CN218994280U (en) | Swing blade pre-deformation detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |