阅读说明：本技术 一种新能源电池软包铝塑膜r角厚度检测装置及方法 (Device and method for detecting R angle thickness of new energy battery soft package aluminum-plastic film ) 是由 马银平 康小文 于 2021-09-01 设计创作，主要内容包括：本发明涉及新能源电池软包铝塑膜R角厚度检测装置,包括R角治具,R角治具包括底座,底座上设置有与电池铝塑膜上R角形状匹配的三角锥形凸台,三角锥形凸台的三角形顶端朝上,底座上设置有对三角锥形凸台上放置的电池铝塑膜剪切下来的带R角的边角部进行压持的上盖,上盖上设置有与边角部的R角正对的三角形孔；直接对已成型R角的电池铝塑膜上带R角的边角部剪下,放置在三角锥形凸台上定位,再通过上盖压持住三角锥形凸台上边角部,此时边角部的R角可通过三角形孔进行检测,彻底的改变了现有的工艺,不仅能够检测完整形态下R角处铝塑膜的厚度,检测效率大幅提升的同时极大降低毛边、延展性等引起误差的因素,提升检测可靠性以及精度。(The invention relates to a device for detecting the thickness of an R angle of a soft package aluminum-plastic film of a new energy battery, which comprises an R angle jig, wherein the R angle jig comprises a base, a triangular conical boss matched with the shape of the R angle on the aluminum-plastic film of the battery is arranged on the base, the triangular top end of the triangular conical boss faces upwards, an upper cover for pressing the corner part with the R angle, cut off by the aluminum-plastic film of the battery and placed on the triangular conical boss, is arranged on the base, and a triangular hole opposite to the R angle of the corner part is arranged on the upper cover; direct corner portion to taking the R angle on the battery plastic-aluminum membrane at shaping R angle cuts down, place the location on triangle-shaped toper boss, hold triangle-shaped toper boss upper corner portion through the upper cover pressure again, the R angle accessible triangle-shaped hole at corner portion detects this moment, thorough change current technology, not only can detect the thickness of R angle department plastic-aluminum membrane under the complete form, greatly reduce deckle edge when detection efficiency promotes by a wide margin, factor that ductility etc. arouse the error, promote and detect reliability and precision.)

1. The utility model provides a soft packet of plastic-aluminum membrane R angle thickness detection device of new energy battery, a serial communication port, including R angle tool, R angle tool includes the base, be provided with on the base with the battery plastic-aluminum membrane on the oblique three pyramid-shaped boss of R angle shape matching, three pyramid-shaped boss's triangle-shaped top up, be provided with on the base right the corner portion of taking the R angle that the battery plastic-aluminum membrane of placing cut off on the three pyramid-shaped boss carries out the upper cover that presses, on cover be provided with the just right triangle-shaped hole in R angle of corner portion.

2. The device for detecting the R-angle thickness of the soft package aluminum-plastic film of the new energy battery according to claim 1, wherein a concave cavity with an open upper end is formed in the base, the triangular conical boss is arranged in the concave cavity, and the upper cover covers the upper end opening of the concave cavity when in a pressing state.

3. The device for detecting the R-angle thickness of the soft package aluminum-plastic film of the new energy battery according to claim 2, wherein the upper cover is rotatably connected with the base.

4. The device for detecting the R-angle thickness of the soft package aluminum-plastic film of the new energy battery according to claim 3, wherein an observation window for observing the inside of the concave cavity is arranged on the outer side surface of the base.

5. The device for detecting the R-angle thickness of the soft package aluminum-plastic film of the new energy battery according to any one of claims 2 to 4, wherein one end of the upper cover is hinged to the base through a hinge, and the other end of the upper cover is detachably connected or attached to the upper end of the concave cavity when the upper cover is in a pressing state.

6. The device for detecting the R-angle thickness of the new-energy battery soft package aluminum-plastic film according to claim 5, wherein a positioning block is arranged at one end of the upper cover connected with the concave cavity, and a positioning groove corresponding to the positioning block is arranged at the upper end of the concave cavity.

7. The device for detecting the R angle thickness of the soft package aluminum-plastic film of the new energy battery as claimed in claim 5, wherein the hinge comprises a first connecting sheet and a second connecting sheet which are hinged to each other; the first connecting sheet is connected with the outer side surface of the base, and the second connecting sheet is connected with the lower surface of the upper cover; and an avoiding opening for avoiding the second connecting sheet is arranged at the upper end of the concave cavity.

8. The device for detecting the R-angle thickness of the soft package aluminum-plastic film of the new energy battery according to claim 1, further comprising an X-ray fluorescence spectrometer and a plane jig for positioning the outer side surface of the aluminum-plastic film of the battery.

9. A new energy battery soft package aluminum-plastic film R angle thickness detection method is applied to the new energy battery soft package aluminum-plastic film R angle thickness detection device according to any one of claims 1-7, and is characterized by comprising the following steps:

the first step is as follows: cutting off the corner part with the R angle on the battery aluminum plastic film with the formed R angle, and placing the battery aluminum plastic film on the triangular conical boss for positioning;

the second step is that: the upper corner part of the triangular conical boss is pressed and held by the upper cover, and the R corner of the side corner part can be detected through the triangular hole;

the third step: and (4) placing the R-angle jig on a sample table of an X-ray fluorescence spectrometer, and detecting the thickness of the R-angle.

10. The method for detecting the R angle thickness of the new energy battery soft package aluminum plastic film according to claim 9, further comprising the steps of:

the fourth step: carrying out visual observation or identification by a CDD camera of the X-ray fluorescence spectrometer to determine a detection position, starting detection after the detection position is determined, and outputting a detection report after the detection is finished;

the detection positions are arranged on a computer in advance, and the thickness of the preselected position is automatically detected by starting detection each time.

Technical Field

The invention relates to the technical field of new energy battery detection, in particular to a device and a method for detecting the R angle thickness of a soft package aluminum-plastic film of a new energy battery.

Background

The explosion event of the lithium battery of the three-star mobile phone causes the attention of people on the safety of the new energy battery, and the explosion of the lithium battery is most likely to cause that the thickness of the R corner of the aluminum plastic film of the soft package of the battery is not enough, and the detection means of the thickness of the aluminum plastic film at the R corner of the battery becomes a breakthrough difficulty; at the vertex of the R corner of the battery, the thickness of the aluminum-plastic film is theoretically the minimum, and the aluminum-plastic film at the position is in an R shape, so that the thickness of the R corner of the aluminum-plastic film is called as the thickness detection of the R corner of the aluminum-plastic film, and particularly refers to the thickness detection at the vertex of the R corner, and the thickness of the R corner is the key for the safety of the whole battery soft package;

the conventional detection is that the aluminum-plastic film is unfolded and cut off, a case slicer is used for polishing, and the metallographic structure of a cut is detected to determine the thickness of the cut; the disadvantages of this method are: 1. manual polishing wastes time and labor, and the aluminum-plastic film is stretched and deformed in the shearing and polishing processes, so that the thickness error of the R angle is influenced; 2. the fluffing is easy, and the error is increased; 3. the test is only a line-shaped strip of the shearing surface, and the thickness of the aluminum plastic film at the R corner under the complete form of the battery is difficult to completely represent.

Disclosure of Invention

The invention aims to solve the technical problem of providing a device and a method for detecting the R angle thickness of a soft package aluminum-plastic film of a new energy battery aiming at the defects in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a construction soft packet of plastic-aluminum membrane R angle thickness detection device of new energy battery, wherein, including R angle tool, R angle tool includes the base, be provided with on the base with the battery plastic-aluminum membrane on the oblique three-angle cone boss of R angle shape matching, three-angle cone boss's triangle-shaped top up, be provided with on the base right the corner portion of taking the R angle that the battery plastic-aluminum membrane of placing cut off on the three-angle cone boss carries out the upper cover that the pressure was held, on cover be provided with the just right triangle-shaped hole in R angle of corner portion.

The R angle thickness detection device for the new energy battery soft package aluminum-plastic film is characterized in that a concave cavity with an opening at the upper end is formed in the base, the triangular conical boss is arranged in the concave cavity, and the upper cover seals the opening at the upper end of the concave cavity when in a pressing state.

The device for detecting the R angle thickness of the soft package aluminum-plastic film of the new energy battery is characterized in that the upper cover is rotatably connected with the base.

The device for detecting the R angle thickness of the soft package aluminum-plastic film of the new energy battery is characterized in that an observation window for observing the inside of the concave cavity is arranged on the outer side surface of the base.

The R angle thickness detection device for the soft package aluminum-plastic film of the new energy battery is characterized in that one end of the upper cover is hinged to the base through a hinge, and the other end of the upper cover is detachably connected or attached to the upper end of the concave cavity when the upper cover is in a pressing state.

The R angle thickness detection device for the soft package aluminum-plastic film of the new energy battery is characterized in that a positioning block is arranged at one end, connected with the concave cavity, of the upper cover, and a positioning groove corresponding to the positioning block is arranged at the upper end of the concave cavity.

The device for detecting the R angle thickness of the soft package aluminum-plastic film of the new energy battery comprises a hinge, a first connecting piece and a second connecting piece, wherein the hinge is hinged with the first connecting piece and the second connecting piece; the first connecting sheet is connected with the outer side surface of the base, and the second connecting sheet is connected with the lower surface of the upper cover; and an avoiding opening for avoiding the second connecting sheet is arranged at the upper end of the concave cavity.

The device for detecting the R angle thickness of the soft package aluminum-plastic film of the new energy battery further comprises an X-ray fluorescence spectrometer and a plane jig for positioning the outer side surface of the aluminum-plastic film of the battery.

The utility model provides a soft packet of plastic-aluminum membrane R angle thickness detection method of new energy battery, uses like above-mentioned soft packet of plastic-aluminum membrane R angle thickness detection device of new energy battery, wherein, includes following step:

the first step is as follows: cutting off the corner part with the R angle on the battery aluminum plastic film with the formed R angle, and placing the battery aluminum plastic film on the triangular conical boss for positioning;

the second step is that: the upper corner part of the triangular conical boss is pressed and held by the upper cover, and the R corner of the side corner part can be detected through the triangular hole;

the third step: and (4) placing the R-angle jig on a sample table of an X-ray fluorescence spectrometer, and detecting the thickness of the R-angle.

The invention discloses a method for detecting the R angle thickness of a soft package aluminum-plastic film of a new energy battery, which comprises the following steps:

the fourth step: carrying out visual observation or identification by a CDD camera of the X-ray fluorescence spectrometer to determine a detection position, starting detection after the detection position is determined, and outputting a detection report after the detection is finished;

the detection positions are arranged on a computer in advance, and the thickness of the preselected position is automatically detected by starting detection each time.

The invention has the beneficial effects that: use the mode method of this application, the corner portion of direct area R angle on to the battery plastic-aluminum membrane at shaping R angle is cut down, place and fix a position on triangle-shaped toper boss, hold triangle-shaped toper boss upper corner portion through the upper cover pressure again, the R angle accessible triangle-shaped hole at corner portion detects this moment, thorough change current technology, not only can detect the thickness of R angle department plastic-aluminum membrane under the complete form, greatly reduce deckle edge when detection efficiency promotes by a wide margin, factor that ductility etc. arouse the error, promote and detect reliability and precision.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:

fig. 1 is a schematic structural view of a new energy battery soft package aluminum-plastic film R angle thickness detection device according to a preferred embodiment of the invention;

fig. 2 is a schematic view of another angle structure of the new energy battery soft package aluminum-plastic film R angle thickness detection device according to the preferred embodiment of the invention;

fig. 3 is an exploded view of a new energy battery soft package aluminum-plastic film R corner thickness detection device according to a preferred embodiment of the invention;

fig. 4 is a schematic view of a corner part with an R corner cut off from a battery aluminum plastic film of a new energy battery soft package aluminum plastic film R corner thickness detection device according to a preferred embodiment of the invention;

fig. 5 is a flowchart of a method for detecting the thickness of the R-angle of the new energy battery soft package aluminum-plastic film according to the preferred embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

The new energy battery soft package aluminum plastic film R angle thickness detection device of the preferred embodiment of the invention is shown in figure 1, and simultaneously refer to figure 2-4, and comprises an R angle jig, wherein the R angle jig comprises a base 1, the base 1 is provided with an oblique triangular conical boss 2 matched with the shape of the R angle on the battery aluminum plastic film, the triangular top end of the triangular conical boss 2 is upward, the base 1 is provided with an upper cover 3 for pressing the corner part with the R angle, which is cut off by the battery aluminum plastic film placed on the triangular conical boss 2, and the upper cover 3 is provided with a triangular hole 30 opposite to the R angle of the corner part;

by applying the method, the corner part with the R corner on the battery aluminum plastic film with the formed R corner is directly cut off and placed on the triangular conical boss 2 for positioning, the upper corner part of the triangular conical boss 2 is pressed and held by the upper cover 3, the R corner of the corner part can be detected through the triangular hole 30, the existing process is thoroughly changed, the thickness of the aluminum plastic film at the R corner part under the complete form can be detected, the detection efficiency is greatly improved, meanwhile, the error-causing factors such as burrs, ductility and the like are greatly reduced, and the detection reliability and precision are improved;

it should be noted that, during the detection, the corner portion may partially penetrate through the triangular hole or partially penetrate through the triangular hole, or may not penetrate through the triangular hole.

Preferably, the base 1 is provided with a concave cavity 10 with an open upper end, the triangular conical boss 2 is arranged in the concave cavity 10, and the upper cover 3 is in a pressing state to close the upper end opening of the concave cavity 10; reasonable and compact structure and good integrity.

Preferably, the upper cover 3 is rotatably connected with the base 1; the opening and pressing operation is convenient.

Preferably, the outer side surface of the base 1 is provided with an observation window 11 for observing the inside of the concave cavity 10; the observation window 11 is opened on the side edge, so that the condition of the sample in the concave cavity 10 can be observed conveniently.

Preferably, one end of the upper cover 3 is hinged with the base 1 through a hinge 4, and the other end of the upper cover 3 is detachably connected or clings to the upper end of the concave cavity 10 when the upper cover 3 is in a pressing state; it should be noted that, when the clinging mode is adopted, the pressing and holding can be carried out by the self weight of the upper cover; when the detachable connection is carried out, the modes of magnetic attraction, clamping connection and the like can be adopted.

Preferably, a positioning block 31 is arranged at one end of the upper cover 3 connected with the concave cavity 10, and a positioning groove 12 corresponding to the positioning block 31 is arranged at the upper end of the concave cavity 10; the displacement is avoided, and the accuracy of the position of the triangular hole is guaranteed.

Preferably, the hinge 4 comprises a first connecting tab 40 and a second connecting tab 41 hinged to each other; the first connecting piece 40 is connected with the outer side surface of the base 1, and the second connecting piece 41 is connected with the lower surface of the upper cover 3; an avoidance opening 13 for avoiding the second connecting sheet 41 is arranged at the upper end of the concave cavity 10; it is rational in infrastructure, and can not have the interference condition, the wholeness is good.

Preferably, the device for detecting the R angle thickness of the soft package aluminum-plastic film of the new energy battery further comprises an X-ray fluorescence spectrometer and a plane jig for positioning the outer side surface of the battery aluminum-plastic film; the plane jig can be an existing jig, and is used for clamping and positioning the battery aluminum-plastic film in a flat or side-placing state and then conveying the battery aluminum-plastic film to a spectrometer for observing the surface thickness of the battery aluminum-plastic film.

A method for detecting the R angle thickness of a new energy battery soft package aluminum-plastic film is applied to the device for detecting the R angle thickness of the new energy battery soft package aluminum-plastic film, and as shown in fig. 5, the method comprises the following steps:

s01: cutting off the corner part with the R angle on the battery aluminum plastic film with the formed R angle, and placing the battery aluminum plastic film on the triangular conical boss for positioning;

s02: the upper corner part of the triangular conical boss is pressed and held by the upper cover, and the R corner of the side corner part can be detected through the triangular hole;

s03: placing the R-angle jig on a sample table of an X-ray fluorescence spectrometer, and detecting the thickness of the R-angle;

s04: carrying out visual observation or identification by a CDD camera of the X-ray fluorescence spectrometer to determine a detection position, starting detection after the detection position is determined, and outputting a detection report after the detection is finished;

by applying the method, the corner part with the R corner on the battery aluminum plastic film with the formed R corner is directly cut off and placed on the triangular conical boss for positioning, the upper corner part of the triangular conical boss is pressed and held by the upper cover, and the R corner of the corner part can be detected through the triangular hole, so that the existing process is thoroughly changed, the thickness of the aluminum plastic film at the R corner in a complete form can be detected, the detection efficiency is greatly improved, meanwhile, the error-causing factors such as burrs, ductility and the like are greatly reduced, and the detection reliability and precision are improved;

it should be noted that, the detection position can be set on the computer in advance, and the thickness of the preselected position is automatically detected by starting detection each time; during detection, a plurality of detection positions can be set at one time, and the minimum thickness can be measured as far as possible;

more detailed specific operations include:

1. and (3) unfolding the packaging-formed (or made into a packaging shape according to the packaging requirement) aluminum plastic film, and cutting off the part to be detected.

2. And placing the sheared part on a clamp, and aligning the detection part with the hole position on the clamp. And closing the clamp to finish the pretreatment of the sample.

3. And placing the clamp with the sample on a sample table of the X-ray fluorescence spectrometer.

4. The spectrometer detection chamber door is closed.

5. And turning on the power supply of the spectrometer and the power supply of the computer.

6. And opening spectrometer operating software on a computer.

7. The CDD camera of the spectrometer is used for seeing the picture of the sample on the computer, selecting a detection position according to detection requirements (the detection position can be preset on the computer in advance, the thickness of the preselection position can be automatically detected when the detection is started each time, and when the thickness is detected, the thickness of multiple points can be detected in the triangular hole region), and clicking to start the detection.

8. And waiting for the instrument to automatically detect the thickness of the sample.

9. And printing/outputting a detection report, checking whether the minimum value meets the thickness requirement of the residual aluminum layer, and finishing one-time detection.

10. And replacing the sample, putting the clamp into the sample again, finding the positioning point, and continuously measuring after the positioning point is repositioned.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.