CN102735171B - The discrimination method of cut pole piece technological effect - Google Patents
The discrimination method of cut pole piece technological effect Download PDFInfo
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- CN102735171B CN102735171B CN201210175436.5A CN201210175436A CN102735171B CN 102735171 B CN102735171 B CN 102735171B CN 201210175436 A CN201210175436 A CN 201210175436A CN 102735171 B CN102735171 B CN 102735171B
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Abstract
This application discloses a kind of discrimination method relating to cut pole piece technological effect.It comprises step, pole piece is parallel or be vertically placed on the test desk of measuring equipment, the technological effect of pole piece cut place is differentiated, and region is shown in the display device of measuring equipment; Step b, with the line tool in measuring equipment software to technological effect differentiate region make marks, with the survey instrument in measuring equipment software, described mark is measured.Utilize this discrimination method, can at pole piece after cut, the technological effect of pole piece cut place is differentiated that region is measured, such as the width of temperature influence on burr, pole piece, pole piece dew paper tinsel width and/or pole piece thickness are measured etc., not only can measure the maximal value that each technological effect differentiates region, data area can also be become, so that the quality of more various laser cutting parameter effect by measuring the data preparation drawn.
Description
Technical field
The application relates to cut pole piece manufacture field, particularly relates to the discrimination method of cut pole piece technological effect.
Background technology
The principle of cut pole piece is that laser beam irradiation is separated to the energy discharged during pole piece to make pole piece, metal forming is melted and evaporates, its process is that the light path system such as laser beam scioptics and catoptron is gathered in very little region in brief, the high concentration of energy can carry out rapid spot heating, and pole piece is separated.
The impact of cut effect relates to face widely, the kind of laser instrument, the synchronism of light path system and laser, the cleanliness of optical path component, the stability of electric control system, the accuracy of laser focal scope, many-sided impact such as assist gas has relation.As shown in Figure 1, after laser 2 cuts pole piece, the edge of pole piece cut place can produce corresponding burr due to the absorption difference of laser high heat to the effect of pole piece and carbon dust 11 and metal forming 17 pairs of laser, pole piece dry linting dew metal forming 17, produce the situation such as oxide regions or charing region, therefore after laser cutting parameter effect differentiates to refer to cut pole piece, to the burr at pole piece edge, dry linting dew metal forming size, the measurement of the factor such as pole piece variation in thickness after the width of temperature range of influence and cut.But at present, also there is no a kind of method being used for differentiating laser cutting parameter effect in prior art.
Summary of the invention
The application provides a kind of discrimination method of cut pole piece technological effect.
According to the first aspect of the application, the application provides a kind of discrimination method of cut pole piece technological effect, comprising:
Step a, pole piece is parallel or be vertically placed on the test desk of measuring equipment, the technological effect of pole piece cut place is differentiated, and region is shown in the display device of measuring equipment;
Step b, with the line tool in measuring equipment software to technological effect differentiate region make marks, with the survey instrument in measuring equipment software, described mark is measured.
In one embodiment, described step b is specially: draw straight line with the line tool in measuring equipment software in pole piece cut edge or pole coating edge, differentiate that point is drawn away from the side of described cut edge in region at technological effect again, measure the distance of described point to described straight line with the distance between beeline and dot instrument in measuring equipment software.
In one embodiment, in described step b, measure described technological effect and differentiate diverse location in region and record multi-group data, described multi-group data at least comprises ultimate range measured value.
In one embodiment, described technological effect differentiate burr height that region comprises pole piece after cut and produce, pole piece temperature influence and change region, pole piece dew paper tinsel width and/or pole piece thickness.
In one embodiment, described technological effect differentiates the burr height that region produces after cut for pole piece;
Described step b is specially, straight line is drawn in pole piece cut edge or pole coating edge with the scoring tool in measuring equipment software, draw point at a certain burr peak again, measure the distance between point on described burr to described straight line with the distance between beeline and dot instrument in measuring equipment software.
In one embodiment, burr height measurement is divided into the measurement of burr height on the measurement of burr height in horizontal direction and vertical direction;
When measuring burr height in horizontal direction, pole piece is lain in a horizontal plane on measuring equipment test desk in step a;
When measuring burr height on vertical direction, in step a, pole piece is vertically placed on measuring equipment test desk.
In one embodiment, described technological effect differentiates that region is the region that pole piece temperature influence changes after cut;
Described step b is specially, straight line is drawn in pole piece cut edge with the scoring tool in measuring equipment software, point is drawn away from the side of pole piece cut edge in the region changed at pole piece temperature influence again, measures the distance between described point to described straight line with the distance between beeline and dot instrument in measuring equipment software.
In one embodiment, described pole piece temperature influence and the region that changes comprises pole piece oxidation area or carbonization area.
In one embodiment, described technological effect differentiates that region is pole piece dew paper tinsel width;
Described step b is specially, straight line is drawn at pole coating edge with the scoring tool in measuring equipment software, on dew paper tinsel width, draw point away from the side at pole coating edge again, measure the distance of described point to described straight line with the distance between beeline and dot instrument in measuring equipment software.
In one embodiment, described technological effect differentiates that region is pole piece thickness;
Described step b is specially, straight line is drawn with the coating layer outer ledge of the scoring tool in measuring equipment software on pole piece end face, coating layer outer ledge again on pole piece bottom surface draws point, measures the distance between described point to described straight line with the distance between beeline and dot instrument in measuring equipment software.
According to the second aspect of the application, the application provides a kind of
The beneficial effect of the application is:
Utilize this discrimination method, can at pole piece after cut, the technological effect of pole piece cut place is differentiated that region is measured, such as the width of temperature influence on burr, pole piece, pole piece dew paper tinsel width and/or pole piece thickness are measured etc., not only can measure the maximal value that each technological effect differentiates region, data area can also be become, so that the quality of more various laser cutting parameter effect by measuring the data preparation drawn.
Accompanying drawing explanation
Fig. 1 is cut pole piece schematic diagram;
Fig. 2 be in a kind of embodiment of discrimination method of the application's cut pole piece technological effect by pole piece horizontal positioned to the schematic diagram on measuring equipment;
Fig. 3 is the schematic diagram be vertically placed into by pole piece in a kind of embodiment of discrimination method of the application's cut pole piece technological effect on measuring equipment;
Fig. 4 is burr instrumentation plan in pole plate horizontal direction in a kind of embodiment of discrimination method of the application's cut pole piece technological effect;
Fig. 5 is burr instrumentation plan on pole plate vertical direction in a kind of embodiment of discrimination method of the application's cut pole piece technological effect;
Fig. 6 is the area measurement schematic diagram of temperature influence on pole piece in a kind of embodiment of discrimination method of the application's cut pole piece technological effect;
Fig. 7 is positive plate dew paper tinsel width measure schematic diagram in a kind of embodiment of discrimination method of the application's cut pole piece technological effect;
Fig. 8 is negative plate dew paper tinsel width measure schematic diagram in a kind of embodiment of discrimination method of the application's cut pole piece technological effect;
Fig. 9 is pole piece thickness measure schematic diagram after cut in a kind of embodiment of discrimination method of the application's cut pole piece technological effect.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
In the embodiment of the present application, a kind of discrimination method of cut pole piece technological effect comprises step:
Step a, pole piece is parallel or be vertically placed on the test desk of measuring equipment, the technological effect of pole piece cut place is differentiated, and region is shown on the display screen of measuring equipment.
This pole piece is positive plate or negative plate, pole piece cut place and the pole piece gap after cut.As shown in figures 2 and 3, measuring equipment is that a class comprises and by the image input device 31 of pole piece cut place typing and the equipment that pole piece cut place can be amplified the display device 32 of display, and can have picture function and measurement function, such as, can be projector etc.
This technological effect differentiate region refer to pole piece due to cut the region at its cut place formation and modification, these region of variation are relevant with the quality of laser cutting parameter effect, the burr height such as produced due to cut, pole piece temperature influence and the region changed, the dew paper tinsel region formed because of cut and pole piece thickness etc.The generation of this burr is main in the two directions, namely in X-axis and Z-direction.All must measure both direction when therefore measuring.In order to measure the burr height in X-direction, can pole piece be placed in parallel on the test desk of measuring equipment, place as shown in Figure 2 by pole piece, make the X-direction of pole piece 1 parallel with test desk.In order to measure the burr height in Z-direction, can pole piece be vertically placed on the test desk of measuring equipment, place as shown in Figure 3 by pole piece, make the Z-direction of pole piece 1 parallel with test desk.
This pole piece temperature influence and the region changed refers to that pole piece is when cut, coating layer Stimulated Light impact on it can change, such as, after adopting infrared laser cutting, coating surface can see the vestige of oxidation, color can deepen, the scope of this change is exactly the region of temperature impact, such as adopt Ultra-Violet Laser cutting again, the micro-process of ultraviolet is not essentially thermal treatment, high-octane ultraviolet photon directly destroys the molecular link of many material surfaces, with the parts that this " cold " photetching treatment technology processes, there is smooth edge and MIN charing, particularly there is the characteristic of " cold working ", directly can destroy the chemical bond connecting material, and the heating do not produced periphery, therefore can find that cut edge has and cut little region of variation than infrared laser, the region that this region of variation affects also referred to as temperature.No matter adopt which kind of cut, the region that the region that when coating layer Stimulated Light on pole piece being cut in the application, temperature affects all is referred to as pole piece temperature influence and changes.
In this step, after pole piece is placed into test desk, the multiple of adjustable display device makes the technological effect that display device clearly can show pole piece differentiate region.
Step b, with the line tool in measuring equipment software to technological effect differentiate region make marks, with the survey instrument in measuring equipment software, described mark is measured.
To technological effect, line tool in described measuring equipment software is differentiated that region makes marks and is referred to, indicate the region that will measure on the display apparatus, to utilize survey instrument to measure.
This step specifically can be: draw straight line with the scoring tool in measuring equipment software in pole piece cut edge or pole coating edge, differentiate that point is drawn away from the side of the cut edge being decorated with straight line in region at technological effect again, point drawn by measuring with the distance between beeline and dot instrument in measuring equipment software is to the distance of drawn straight line, and this distance is the width value of wanted measured zone.
Owing to no matter being burr height, the width in pole piece temperature influence and the region that changes, forming dew paper tinsel region or pole piece thickness after cut because of cut, all there is certain randomness, therefore can measure the diverse location in region and record multi-group data (at least will comprise ultimate range measured value in this multi-group data), be organized into numerical range, to compare with other laser cutting parameter effects.
Be that projector is described for example below with measuring equipment, indicate accompanying drawing content to know, in Fig. 2-9, technological effect is differentiated that suitable amplification has been done in region:
Embodiment one:
Please refer to Fig. 2 and 4, the present embodiment one is after cut pole piece 1, and to the discrimination method of burr height on pole piece 1X direction of principal axis, its concrete steps are:
1, be clamped in by pole piece 1 in special iron block fixture 33, iron block edge about 10mm is exposed in pole piece 1 cut place, fixing fixture 33 horizontal positioned (namely pole piece X-axis is parallel with test desk) of pole piece 1 in projector test desk central authorities.
2, by projector equipment enlargement factor 180-200 multiple, its display device 32 is made clearly can to show the doubtful burr areas (namely may be burr, also may be other materials) of pole piece cut place.
3, according to staying white colour to determine whether burr (the bad burr determined can distinguish under the microscope, measures after carrying out mark with projector equipment).Dry linting does not belong to burr, measures, gently can be brushed and dispel, can not dispel dry linting (pen, paper etc.) by other scleroid material, avoid burr to get rid of, affect the accuracy of measurement result by hairbrush if dry linting affects burr.
4, straight line 13a is drawn by the line tool of projector software in the position, cut edge (confirming cutting position by whole piece cutting edge) of pole piece 1, a certain burr peak again in the 12a of burr areas draws a some 14a, then calculate the distance (i.e. dotted line shown in figure) this burr being put 14a to straight line 13a with distance between beeline and dot order, and mug records numerical value simultaneously.
With on a slice pole piece, there is multiple burr, therefore can measure several burr height value more, but the jagged peak in burr areas must be comprised, be i.e. ultimate range measured value.To those skilled in the art, according to actual conditions, selected population of measured values is very apparent, then described measured value can be organized into burr height scope, and gets maximal value and finally cut burr height for it.
Embodiment two:
Please refer to Fig. 2 and 6, the present embodiment two is after cut pole piece 1, and to discrimination method pole piece 1 being subject to burr height in temperature Z-direction, its concrete steps are:
1, be clamped in by pole piece 1 in special iron block fixture 33, iron block edge about 10mm is exposed in pole piece 1 cut place, and the fixture 33 fixing pole piece 1 is vertically placed (namely Z axis is parallel with test desk) in projector test desk central authorities.
2, by projector equipment enlargement factor 180-200 multiple, its display device 32 is made clearly can to show the doubtful burr areas of pole piece cut place.
3, according to staying white colour to determine whether burr (the bad burr determined can distinguish under the microscope, measures after carrying out mark with projector equipment).Dry linting does not belong to burr, measures, gently can be brushed and dispel, can not dispel dry linting (pen, paper etc.) by other scleroid material, avoid burr to get rid of, affect measurement result by hairbrush if dry linting affects burr.
4, straight line 13b is drawn by the line tool of projector software in the position, cut edge (place confirms by impulse-free robustness) of pole piece 1, a certain burr peak again in the 12b of burr areas draws a some 14b, then calculate this burr height (i.e. dotted line shown in figure) with distance between beeline and dot order, and mug records numerical value simultaneously.
With on a slice pole piece, there is multiple burr, therefore can measure several burr height value more, but the jagged peak in burr areas must be comprised, be i.e. ultimate range measured value.To those skilled in the art, according to actual conditions, selected population of measured values is very apparent, then described measured value can be organized into burr height scope, and gets maximal value and finally cut burr height for it.
Embodiment three:
Please refer to Fig. 3 and 5, the present embodiment three is after cut pole piece 1, the discrimination method of the width changed to pole piece 1 temperature influence, and this example is described to adopt infrared laser cutting to cause the coating layer 11 of pole piece 1 to be oxidized to example, and its concrete steps are:
1, be clamped in by pole piece 1 in special iron block fixture 33, iron block edge about 10mm is exposed in pole piece 1 cut place, fixing fixture 33 horizontal positioned (namely X-axis is parallel with test desk) of pole piece 1 in projector test desk central authorities.
2, by projector equipment enlargement factor 180-200 multiple, its display device 32 is made clearly can to show the doubtful oxide regions of pole piece cut place.
3, oxide regions is determined by the change of coating layer 11 color, because after the heat cutting of pole piece 1 by infrared laser, the vestige of oxidation can be seen in coating layer 11 surface, and color can deepen.
4, straight line 13a is drawn by the line tool of projector software in the position, cut edge (confirming cutting position by whole piece cutting edge) of pole piece 1, point 14c is drawn away from the side of pole piece 1 cut edge in the region 15 changed at pole piece 1 temperature influence again, measure the distance (i.e. dotted line shown in figure) on described some 14c to pole piece cut edge between straight line 13a with the distance between beeline and dot instrument in measuring equipment software, and mug records numerical value simultaneously.
The width of several temperature variant area can be measured more in this method, but the widest point in temperature variant area must be comprised, be i.e. ultimate range measured value.To those skilled in the art, according to actual conditions, selected population of measured values is very apparent, then described measured value can be organized into width range, and gets maximal value for its finishing temperature and affect width.
Embodiment four:
Pole piece can be excessive due to laser energy in cutting process, or uneven components etc. factor causes the straight line of the brilliant white point or brilliant white separated completely at the somewhere of cutting appearance coating carbon dust and metal forming and have certain limit in cut edge, and this reveals paper tinsel exactly.
Please refer to Fig. 2,7 and 8, the present embodiment four is the discrimination methods to pole piece 1 revealing paper tinsel region (16a or 16b), and its concrete steps are:
1, be clamped in by pole piece 1 in special iron block fixture 33, iron block edge about 10mm is exposed in pole piece 1 cut place, fixing fixture 33 horizontal positioned (namely X-axis is parallel with test desk) of pole piece 1 in projector test desk central authorities.
2, by projector equipment enlargement factor 180-200 multiple, its display device 32 is made clearly can to show the doubtful oxide regions of pole piece cut place.
3, by whether having metal forming to occur determining that (positive pole aluminium foil, negative copper foil) reveals paper tinsel region in the middle of coating layer 11.Wherein, positive plate 1 reveals paper tinsel region and is mostly to be made up of brilliant white point 16a, and negative plate 1 reveals paper tinsel region and is mostly to be made up of brilliant white band 16b.
4, straight line 13a is drawn by the line tool of projector software in the position, cut edge (confirming cutting position by whole piece cutting edge) of pole piece 1, (positive plate is 14d on dew paper tinsel region 16a, 16b, to draw point away from the side of pole piece cut edge again, negative plate is 14e), measure the distance on described point (14d or 14e) to pole piece 1 cut edge between straight line (13a) with the distance between beeline and dot instrument in measuring equipment software and mug records numerical value simultaneously.
Several dew paper tinsel region can be measured more in this method, but the widest point in dew paper tinsel region must be comprised, i.e. ultimate range measured value.To those skilled in the art, according to actual conditions, selected population of measured values is very apparent, then described measured value can be organized into width range, and gets maximal value for its final dew paper tinsel region.
Embodiment five:
Please refer to Fig. 3 and 9, the present embodiment five is the discrimination methods to the pole piece thickness after cut, and its concrete steps are:
1, be clamped in by pole piece 1 in special iron block fixture 33, iron block edge about 10mm is exposed in pole piece cut place, and the fixture 33 fixing pole piece 1 is vertically placed (namely Z axis is parallel with test desk) in projector test desk central authorities.
2, by projector equipment enlargement factor 180-200 multiple, its display device 32 is made clearly can to show the pole piece thickness of pole piece cut place.
3, straight line 13b is drawn with coating layer 11 outer ledge of the scoring tool in measuring equipment software on the end face of pole piece 1, a coating layer 11 outer ledge picture point 14f again on pole piece 1 bottom surface, measures the distance of drawn some 14f to drawn straight line 13b on pole piece 1 end face and bottom surface with the distance between beeline and dot instrument in measuring equipment software and mug records numerical value simultaneously.
May be different with diverse location thickness on a slice pole piece, therefore can measure several thickness measurements more, but the widest point in pole piece thickness area must be comprised, be i.e. ultimate range measured value.To those skilled in the art, according to actual conditions, selected population of measured values is very apparent, then described measured value can be organized into variation in thickness scope, and gets maximal value for its final thickness.
Completing for the pole piece method for measuring thickness before cut can with reference to the above-mentioned method measured pole piece after cut 1 thickness.By the thickness after cut and the Thickness Ratio before cut comparatively, the variation in thickness of pole piece 1 before and after cut can be drawn.
Utilize this discrimination method above-mentioned specific embodiment and under the instruction of above-mentioned specific embodiment, other variant embodiment made based on the inventive concept of this discrimination method, can at pole piece after cut, the technological effect of pole piece cut place is differentiated that region is measured, such as to burr, the width of temperature influence on pole piece, pole piece dew paper tinsel region and/or pole piece thickness are measured etc., not only can measure the maximal value that each technological effect differentiates region, data area can also be become by measuring the data preparation drawn, so that the quality of more various laser cutting parameter effect.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (6)
1. a discrimination method for cut pole piece technological effect, is characterized in that, comprising:
Step a, pole piece is parallel or be vertically placed on the test desk of measuring equipment, the technological effect of pole piece cut place is differentiated, and region is shown in the display device of measuring equipment;
Step b, with the line tool in measuring equipment software to technological effect differentiate region make marks, with the survey instrument in measuring equipment software, described mark is measured;
Described technological effect differentiates the burr height that region produces after cut for pole piece;
Described step b is specially, straight line is drawn in pole piece cut edge with the scoring tool in measuring equipment software, draw point at a certain burr peak again, measure the distance between point on described burr to described straight line with the distance between beeline and dot instrument in measuring equipment software;
Burr height measurement is divided into the measurement of burr height on the measurement of burr height in horizontal direction and vertical direction;
When measuring burr height in horizontal direction, pole piece is lain in a horizontal plane on measuring equipment test desk in step a;
When measuring burr height on vertical direction, in step a, pole piece is vertically placed on measuring equipment test desk.
2. a discrimination method for cut pole piece technological effect, is characterized in that, comprising:
Step a, pole piece is parallel or be vertically placed on the test desk of measuring equipment, the technological effect of pole piece cut place is differentiated, and region is shown in the display device of measuring equipment;
Step b, with the line tool in measuring equipment software to technological effect differentiate region make marks, with the survey instrument in measuring equipment software, described mark is measured;
Described technological effect differentiates that region is the region that pole piece temperature influence changes after cut;
Described step b is specially, straight line is drawn in pole piece cut edge with the scoring tool in measuring equipment software, point is drawn away from the side of pole piece cut edge in the region changed at pole piece temperature influence again, measures the distance between described point to described straight line with the distance between beeline and dot instrument in measuring equipment software.
3. discrimination method as claimed in claim 2, is characterized in that, described pole piece temperature influence and the region that changes comprises pole piece oxidation area or carbonization area.
4. a discrimination method for cut pole piece technological effect, is characterized in that, comprising:
Step a, pole piece is parallel or be vertically placed on the test desk of measuring equipment, the technological effect of pole piece cut place is differentiated, and region is shown in the display device of measuring equipment;
Step b, with the line tool in measuring equipment software to technological effect differentiate region make marks, with the survey instrument in measuring equipment software, described mark is measured;
Described technological effect differentiates that region is pole piece dew paper tinsel width;
Described step b is specially, straight line is drawn in pole piece cut edge with the scoring tool in measuring equipment software, on dew paper tinsel width, draw point away from the side of pole piece cut edge again, measure the distance of described point to described straight line with the distance between beeline and dot instrument in measuring equipment software.
5. a discrimination method for cut pole piece technological effect, is characterized in that, comprising:
Step a, pole piece is parallel or be vertically placed on the test desk of measuring equipment, the technological effect of pole piece cut place is differentiated, and region is shown in the display device of measuring equipment;
Step b, with the line tool in measuring equipment software to technological effect differentiate region make marks, with the survey instrument in measuring equipment software, described mark is measured;
Described technological effect differentiates that region is pole piece thickness;
Described step b is specially, straight line is drawn with the coating layer outer ledge of the scoring tool in measuring equipment software on pole piece end face, coating layer outer ledge again on pole piece bottom surface draws point, measures the distance between described point to described straight line with the distance between beeline and dot instrument in measuring equipment software.
6. the discrimination method as described in any one of claim 1-5, is characterized in that, in described step b, measure described technological effect and differentiate diverse location in region and record multi-group data, described multi-group data at least comprises ultimate range measured value.
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| CN104319419A (en) * | 2014-11-10 | 2015-01-28 | 海宁兰博电源科技有限公司 | High-voltage special-shaped Li-polymer soft-package battery |
| CN107990834B (en) * | 2017-11-21 | 2019-11-08 | 中山市电赢科技有限公司 | A kind of burr detection method of lithium battery pole slice |
| CN109324061B (en) * | 2018-10-11 | 2023-09-22 | 广东德尔智慧工厂科技有限公司 | Burr detection device and method for lithium battery pole piece |
| CN112792006B (en) * | 2020-12-29 | 2022-01-07 | 比亚迪股份有限公司 | Method and equipment for removing pole piece active substances |
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