CN110132203B - Metal belt burr measuring method - Google Patents
Metal belt burr measuring method Download PDFInfo
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- CN110132203B CN110132203B CN201910506925.6A CN201910506925A CN110132203B CN 110132203 B CN110132203 B CN 110132203B CN 201910506925 A CN201910506925 A CN 201910506925A CN 110132203 B CN110132203 B CN 110132203B
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- metal strip
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- metal
- burr
- measuring method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Abstract
A method for measuring the burr of a metal strip includes coagulating a metal strip sample into a solid sample by a coagulant, cutting and polishing the solid sample, and measuring and recording the burr length of the metal strip sample on the cross section of the cut and polished solid sample by a measuring instrument. The metal belt sample is solidified into a fixed sample by utilizing the coagulant before measurement, so that the protection and fixation effect on the burrs on the metal belt can be realized, the burrs on the metal belt are prevented from being flattened or deformed by extruding or touching the burrs in the operation process, and the accuracy of the measurement result of the burrs on the surface of the metal belt is ensured.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a metal belt burr measuring method.
Background
The edge of the lithium battery pole piece is easy to generate burrs in slitting, and if the burrs are too large, the burrs are easy to pierce a diaphragm between the positive pole piece and the negative pole piece, so that the internal short circuit of the battery is caused, and potential safety hazards such as fire explosion and the like are caused.
Traditional lithium battery pole piece burr detection needs to use the micrometer to carry out manual measurement to the burr on the pole piece, and measuring time is long, and artifical intensity of labour is big, produces artificial erroneous judgement easily as a result. In addition, when a secondary detector and other detection instruments are used for measurement, the secondary detector can only complete the measurement of burrs in the width direction of the pole piece due to the small thickness of the pole piece, and the burrs in the thickness direction of the pole piece cannot be accurately measured due to the problems that the burrs cannot be focused and the like.
Disclosure of Invention
The embodiment of the invention aims to: provided is a metal strip burr measuring method which can avoid measurement errors caused by extrusion of burrs in a measuring process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a metal strip burr measuring method is provided, in which a metal strip sample is first coagulated into a solid sample using a coagulant, and then the solid sample is cut and ground, and the burr length of the metal strip sample on the cross section of the cut and ground solid sample is measured and recorded, preferably using a measuring instrument.
The preferable technical scheme of the invention comprises the following steps:
step S100, providing a plurality of metal strips and manufacturing a metal strip sample;
step S200, providing a die with a containing cavity, and placing the metal strip sample in the containing cavity;
step S300, adding the coagulant into the accommodating cavity and coagulating the coagulant into the solid sample;
s400, taking out the solid sample, cutting and polishing;
step S500, measuring the burrs of the metal strip on the cross section of the solid sample by using the measuring instrument.
As a preferred embodiment of the present invention, the step S100 includes:
step S110, providing a plurality of metal strips;
step S120, stacking a plurality of metal strips;
step S130, bonding one ends of a plurality of laminated metal strips into a whole;
step S140, turning over the non-bonded ends of the plurality of metal strips to enable the metal strips to be L-shaped, and enabling the turned-over ends of two adjacent metal strips to be spaced at a preset distance.
As a preferred technical solution of the present invention, in the step S140, the metal strip should be folded by using a flexible contact to avoid pressing the burrs on the metal strip.
As a preferred embodiment of the present invention, in the step S200, the metal strip on the metal strip sample is placed in the accommodating cavity in a vertical state.
In a preferred embodiment of the present invention, in the step S200, the metal strip sample is spaced from the bottom of the accommodating chamber.
As a preferable aspect of the present invention, the measurement of the burr is measured in a width direction of the metal strip and a thickness of the metal strip, respectively.
In a preferred embodiment of the present invention, the coagulant is resin, silica gel or paraffin.
In a preferred embodiment of the present invention, the cutting direction of the solid sample is perpendicular to the longitudinal direction of the metal strip.
As a preferred technical solution of the present invention, the measuring instrument is a two-dimensional detector.
The invention has the beneficial effects that: the metal belt sample is solidified into a fixed sample by utilizing the coagulant before measurement, so that the protection and fixation effect on the burrs on the metal belt can be realized, the burrs on the metal belt are prevented from being flattened or deformed by extruding or touching the burrs in the operation process, and the accuracy of the measurement result of the burrs on the surface of the metal belt is ensured. Through cutting and polishing the solid sample, thereby form the measuring surface on the solid sample, and make the burr that corresponds the cross section on the metal band can directly observe on the measuring surface, utilize measuring instrument directly to measure the strap cross section on the measuring surface at last and can learn the burr length on the strap, avoided the measuring error that artifical measurement in-process extrusion burr brought, thereby guarantee that the strap accords with the burr standard of battery, avoid appearing the potential safety hazard problem.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic structural diagram of a solid sample according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a metal strip sample according to an embodiment of the present invention.
In the figure:
1. a coagulant; 2. a metal strip; 3. burrs are formed.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the present embodiment, as shown in fig. 1 to 2, a metal strip burr measuring method according to the present invention first coagulates a metal strip sample into a solid sample using a coagulant 1, and then cuts and grinds the solid sample, and preferably measures and records a length of a burr 3 of the metal strip sample on a cross section of the cut and ground solid sample using a measuring instrument.
By coagulating the metal strip sample into a fixed sample by the coagulant 1 before measurement, a protective fixing effect of the burr 3 on the metal strip 2 can be achieved, pressing or touching of the burr 3 in the operation process is avoided so that the burr 3 on the metal strip 2 is flattened or deformed, and the accuracy of the measurement result of the burr 3 on the surface of the metal strip 2 is ensured. Through cutting and polishing the solid sample, thereby form the measuring surface on the solid sample, and make burr 3 that corresponds the cross section on strap 2 can directly observe on the measuring surface, utilize measuring instrument directly to measure the 3 lengths of burr on strap 2 on the measuring surface at last, avoided the measuring error that the extrusion burr 3 brought among the manual measurement process, thereby guarantee that strap 2 accords with the burr 3 standard of battery, avoid appearing the potential safety hazard problem.
In the embodiment of the invention, the method comprises the following steps:
step S100, providing a plurality of metal strips 2 and manufacturing metal strip samples;
step S200, providing a die with a containing cavity, and placing a metal strip sample in the containing cavity;
step S300, adding a coagulant 1 into the accommodating cavity, and coagulating the coagulant 1 into a solid sample;
s400, taking out the solid sample, cutting and polishing;
step S500, the burr 3 of the metal strip 2 on the cross section of the solid sample is measured using the measuring instrument.
By manufacturing a plurality of metal strips 2 into a metal strip 2 sample and then solidifying the metal strip 2 sample into a solid sample by using the coagulant 1, the solid sample of the plurality of metal strips 2 can be manufactured at one time, and the using amount of the coagulant 1 and the manufacturing workload and time of the solid sample are effectively saved.
In one specific embodiment, the step S100 of preparing the metal strip sample includes:
step S110, providing a plurality of metal strips 2;
step S120, stacking a plurality of metal strips 2;
step S130, bonding one ends of the laminated metal strips 2 into a whole;
step S140, turning over the non-bonded ends of the plurality of metal strips 2 to make the metal strips 2 in an L shape, and making the turned-over ends of two adjacent metal strips 2 spaced apart from each other by a preset distance.
Through range upon range of a plurality of strap 2 to with its one end fixed, the other end is turned over and is rolled over, makes strap 2 arrange to being the L type, and makes the one end (the one end that does not adhere promptly) that strap 2 turned over, separates each other and predetermines the distance, thereby realizes the preparation of strap sample, conveniently measures in the while of a plurality of strap 2 in a solid sample. And because the one end of a plurality of strap 2 is together fixed, can guarantee to place the strap sample the in-process of the holding tank of mould interval and the shape of arranging each other unchangeable, avoid certain strap 2 to appear offset and influence the preparation of solid sample in the solid sample preparation in-process, guarantee the reliability of solid sample preparation.
Further, the metal tape 2 should be folded using a flexible contact in step S140 to avoid pressing the burr 3 on the metal tape 2. The metal belt 2 is turned over by using the flexible contact object, so that the situation that the burrs 3 on the surface of the metal belt 2 are deformed due to the contact and extrusion with the metal belt 2 in the turning over process can be avoided, and the accuracy of measurement of the burrs 3 is ensured.
In step S200 in the embodiment of the present invention, the metal tape 2 on the metal tape sample is placed in the accommodating chamber in a vertical state. By placing the metal tape 2 on the metal tape sample in a vertical state in the containing chamber, it is possible to prevent the burrs 3 on the metal tape 2 from being crushed and deformed by the gravity of the coagulant 1 during the addition of the coagulant 1, and it is also possible to prevent the burrs 3 from being left out of place by ensuring that the metal tape 2 is completely enclosed by the coagulant 1 during the production of the solid sample.
In a preferred embodiment, in step S200, the metal strip sample is spaced from the bottom of the receiving chamber. By disposing the metal strip sample to be spaced apart from the bottom of the accommodating cavity of the mold, it can be avoided that the burr 3 on the metal strip 2 is pressed and deformed by the contact of the metal strip sample with the bottom of the accommodating cavity of the mold during the process of manufacturing the solid sample, so that the metal strip sample is completely wrapped inside the solid sample.
In the embodiment of the present invention, the cutting direction of the solid sample and the length direction of the metal strip 2 are perpendicular to each other. The measurement of the burr 3 is measured in the width direction of the metal strip 2 and the thickness of the metal strip 2, respectively. Through cutting the solid sample in the direction of length direction mutually perpendicular with strap 2, can guarantee to be mutually perpendicular between the face of cut of strap 2 and strap 2, avoid having the burr 3 length variation that machining error that the angle brought between cutting face and the strap 2 arouses.
In the embodiment of the present invention, the coagulant 1 is a resin, silica gel, or paraffin, which can coagulate the metal strip 2 into a solid sample, and is not limited to the above resin, silica gel, or paraffin.
The measuring instrument adopted in the embodiment of the invention is a two-dimensional detector. In other embodiments, other instruments capable of measuring the length of the burr 3 of the metal strip 2 on the cross section of the solid sample can also be used, even manually by means of a vernier caliper.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A metal strip burr measuring method is characterized in that a metal strip sample is firstly coagulated into a solid sample by using a coagulant, then the solid sample is cut and polished, and the burr length of the metal strip sample on the cross section of the solid sample after cutting and polishing is measured and recorded by using a measuring instrument;
the metal strip burr measuring method comprises the following steps:
step S100, providing a plurality of metal strips and manufacturing a metal strip sample;
step S200, providing a die with a containing cavity, and placing the metal strip sample in the containing cavity;
step S300, adding the coagulant into the accommodating cavity and coagulating the coagulant into the solid sample;
s400, taking out the solid sample, cutting and polishing;
step S500, measuring burrs of the metal strip on the cross section of the solid sample by using the measuring instrument;
the step S100 includes:
step S110, providing a plurality of metal strips;
step S120, stacking a plurality of metal strips;
step S130, bonding one ends of a plurality of laminated metal strips into a whole;
step S140, turning over the non-bonded ends of the plurality of metal strips to enable the metal strips to be L-shaped, and enabling the turned-over ends of two adjacent metal strips to be spaced at a preset distance.
2. The metal strip burr measuring method of claim 1, wherein said metal strip is folded using a flexible contact in said step S140 to avoid pressing a burr on said metal strip.
3. The metal strip burr measuring method according to claim 1, wherein in the step S200, the metal strip on the metal strip sample is placed in the accommodating chamber in a vertical state.
4. The metal strip burr measuring method of claim 1, wherein in the step S200, the metal strip sample is disposed apart from a bottom of the accommodating chamber.
5. The metal strip burr measuring method of claim 1, wherein the measurement of the burr is measured along a width direction of the metal strip and a thickness of the metal strip, respectively.
6. The metal tape burr measuring method according to claim 1, characterized in that the coagulant is resin, silica gel, or paraffin.
7. The metal strip burr measuring method of claim 1, wherein a cutting direction of the solid sample and a length direction of the metal strip are perpendicular to each other.
8. The metal strap burr measuring method of claim 1, wherein the measuring instrument is a two-dimensional detector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506925.6A CN110132203B (en) | 2019-06-12 | 2019-06-12 | Metal belt burr measuring method |
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| CN201910506925.6A CN110132203B (en) | 2019-06-12 | 2019-06-12 | Metal belt burr measuring method |
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| CN110132203A CN110132203A (en) | 2019-08-16 |
| CN110132203B true CN110132203B (en) | 2021-04-09 |
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| CN111546060A (en) * | 2020-04-30 | 2020-08-18 | 湖北雷迪特冷却系统股份有限公司 | Heat exchanger fin detection method |
| CN112525138B (en) * | 2020-12-07 | 2022-03-18 | 山东力建数控设备有限公司 | Detection method for adhesion burrs on surface of stamping workpiece |
| CN112985329B (en) * | 2021-05-12 | 2021-08-03 | 江苏中科云控智能工业装备有限公司 | Die casting burr measuring system and method |
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| JP5364952B2 (en) * | 2008-07-23 | 2013-12-11 | 有限会社清田製作所 | Manufacturing method of stacked probe and stacked probe manufactured by the method |
| CN201397304Y (en) * | 2009-04-14 | 2010-02-03 | 天津力神电池股份有限公司 | Measuring tool of shorn burr of lithium ion battery pole piece |
| CN205888944U (en) * | 2016-06-27 | 2017-01-18 | 江苏楚汉新能源科技有限公司 | Anchor clamps that are used for fixed pole piece when measuring pole piece burr |
| 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 |
| CN109754406B (en) * | 2019-03-15 | 2020-11-10 | 苏州杰锐思智能科技股份有限公司 | Lithium battery pole piece burr detection device and method based on two-dimensional contourgraph |
| CN109754401B (en) * | 2019-03-15 | 2020-09-08 | 苏州杰锐思智能科技股份有限公司 | Online measuring device and method for burrs at edge of lithium battery pole piece |
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