CN216791114U

CN216791114U - Battery aluminium foil R angle fluorescence thickness measurement auxiliary device

Info

Publication number: CN216791114U
Application number: CN202122713814.8U
Authority: CN
Inventors: 孙一帆; 曹源
Original assignee: SHANGHAI JINGPU SCIENCE & TECHNOLOGY Ltd
Current assignee: SHANGHAI JINGPU SCIENCE & TECHNOLOGY Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-21
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a battery aluminum foil R angle fluorescence thickness measurement auxiliary device, which comprises: the head end of the first shaft is connected with the driving mechanism through a coupler; the die mounting block is fixed on the shaft, and a detection die is arranged on the die mounting block, wherein: the detection die comprises a detection body and an auxiliary magnet; the upper surface of the detection body is downwards sunken to form a positioning surface; three groups of positioning counter bores are arranged on the detection body; the auxiliary magnets are arranged in the three groups of positioning counter bores so as to fix the R angle of the aluminum foil on the detection body.

Description

Battery aluminium foil R angle fluorescence thickness measurement auxiliary device

Technical Field

The utility model relates to a battery aluminum foil R angle fluorescence thickness measurement auxiliary device.

Background

With the gradual rise of the electric automobile industry, certain requirements on the safety of batteries are also provided. The layer of aluminum foil wrapped around the cell's internal material thus plays a critical role. The thickness of the aluminum foil at different positions is related to the safety performance of the battery. Such as detecting thickness variations at the R-corners of the aluminum foil.

In order to detect the thickness data of the R corner of the aluminum foil, the R corner of the aluminum foil is flattened by secondary processing and then measured in the prior art. The measurement mode can cause the R angle to change in the flattening process, so that the measurement error is large, and actual data cannot be truly reflected.

SUMMERY OF THE UTILITY MODEL

The application provides a battery aluminium foil R angle fluorescence thickness measurement auxiliary device, its aim at solve among the prior art when measuring aluminium foil R angle department thickness need flatten the inaccurate problem of measurement that leads to when R angle remeasurement.

In order to achieve the technical scheme, the following technical scheme is adopted in the application:

the utility model provides a battery aluminium foil R angle fluorescence thickness measurement auxiliary device, includes: the head end of the first shaft is connected with the driving mechanism through a coupler; the die mounting block is fixed on the shaft, and a detection die is arranged on the die mounting block, wherein: the detection die comprises a detection body and an auxiliary magnet; the upper surface of the detection body is downwards sunken to form a positioning surface; three groups of positioning counter bores are arranged on the detection body; the auxiliary magnets are arranged in the three groups of positioning counter bores so as to fix the R angle of the aluminum foil on the detection body.

Preferably, the device further comprises a zero point positioning device, which comprises an in-place blocking piece arranged at the tail end of the shaft and a photoelectric switch matched with the in-place blocking piece; the in-place blocking piece rotates to the photoelectric switch along with the shaft, and the photoelectric switch sends control information to control the driving to stop rotating.

Preferably, the die mounting block is connected with a calibration die through a fixing piece, the calibration die is located beside the detection die, and the calibration module is provided with a calibration slot to match with calibration laser for calibration.

Preferably, the driving mechanism comprises a stepping motor and a coupling; the step motor is fixed through a motor support, and the shaft coupling is connected with the step motor and the head end of the shaft respectively.

Preferably, the shaft is supported by two bearing supports in the same straight line

By adopting the technical scheme, the auxiliary device for measuring the thickness of the battery aluminum foil R angle through fluorescence does not need to unfold the aluminum foil R angle, directly fixes the aluminum foil R angle through a detection mould, rotates through a driving mechanism, and is matched with an X fluorescence emission detection device for detection; the method has no damage to the R angle of the aluminum foil, so that the measured data is accurate and the error can be ignored.

Drawings

FIG. 1 is a structural side view of an embodiment of the present application;

FIG. 2 is a structural elevation view of an embodiment of the present application;

fig. 3 is a schematic structural diagram of the detection mold.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

Referring to fig. 1 and 2, the auxiliary device for measuring thickness of battery aluminum foil by fluorescence in R angle of the present embodiment includes: the device comprises a driving mechanism consisting of a stepping motor 1 and a coupler 2, a shaft 3, a die mounting block 4, a detection die 5, a calibration die 6 and a zero point positioning device.

As shown in the figure, the shaft 3 is fixed on two bearing supports 7, and the head end of the shaft 3 is respectively connected with the coupler 2 and the stepping motor 1 in sequence. The stepping motor 1 is fixed on a supporting surface through a motor bracket 8. The end of the shaft 3 is connected to a stop 91 in the zero point positioning device, and a mating photoelectric switch 92 is provided in correspondence with the stop. The zero point positioning device is used for determining a starting position. The home position is set when the positioning shutter 91 is rotated into the photoelectric switch 92.

A die mounting block 4 is fixed to the shaft 3. The die mounting block 4 is connected with a detection die 5 and a calibration die 6 through connecting pieces. The inspection die 5 is used to fix the corners of the aluminum foil R thereto, and the calibration die 6 is used to correct the placement of the inspection die 5 and the corners of the aluminum foil R.

As shown in fig. 3, the detecting mold 5 includes a detecting body 51 and an auxiliary magnet 52. As shown in fig. 3, the upper surface of the detecting body is recessed downward to form a positioning surface 511. The positioning surface 511 of the detection die 5 is manufactured according to the stamping die 1:1 for the R angle of the aluminum foil to be detected. Three groups of positioning counter bores 512 are arranged on the detection body 51. The auxiliary magnets 52 are arranged in the three sets of positioning counter bores so as to fix the aluminum foil R angle on the detection body in an adsorption manner. The combination of the auxiliary magnet 52 and the positioning counter bore 512 can fix the R angle of the aluminum foil without changing any factor of the R angle of the aluminum foil, and the R angle of the aluminum foil is not damaged. Therefore, errors can not be caused to the detection data during measurement.

And the calibration mold 6 is arranged on the mold mounting block 4 and is positioned beside the detection mold 5. As shown in fig. 2, the calibration module is provided with crossed calibration slots 61. Laser lines of the peripheral laser transmitters penetrate through the calibration wire grooves, the position of the detection die 5 is adjusted at the moment, position correction of each detection is carried out, and the possibility of error generation is further reduced.

As above, the present application fixes the aluminum foil R corner by the auxiliary magnet after calibration. The stepping motor slowly rotates, and a fluorescence detection instrument is combined to perform a plurality of fixed-point measurements on the R angle of the aluminum foil. The test speed is fast, and the accuracy is high.

According to the auxiliary device for measuring the thickness of the battery aluminum foil R angle by fluorescence, the aluminum foil R angle is not required to be unfolded, is directly fixed through a detection die, rotates through a driving mechanism, and is matched with a fluorescence emission device for detection; the method has no damage to the R angle of the aluminum foil, so that the measured data is accurate and the error can be ignored.

The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All equivalent changes and modifications of the utility model that may occur to those skilled in the art are intended to be covered by the appended claims.

Claims

1. The utility model provides a battery aluminium foil R angle fluorescence thickness measurement auxiliary device which characterized in that includes:

the head end of the first shaft is connected with the driving mechanism through a coupler;

the die mounting block is fixed on the shaft, and a detection die is arranged on the die mounting block, wherein: the detection die comprises a detection body and an auxiliary magnet; the upper surface of the detection body is downwards sunken to form a positioning surface; three groups of positioning counter bores are arranged on the detection body; the auxiliary magnets are arranged in the three groups of positioning counter bores so as to fix the R angle of the aluminum foil on the detection body.

2. The auxiliary device for measuring thickness of battery aluminum foil by fluorescence R angle as claimed in claim 1, further comprising a zero point positioning device including an in-place stop piece provided at the end of the shaft and an optoelectronic switch matching with the in-place stop piece; the in-place blocking piece rotates to the photoelectric switch along with the shaft, and the photoelectric switch sends control information to control the driving to stop rotating.

3. The battery aluminum foil R-angle fluorescence thickness measurement auxiliary device according to claim 1 or 2, wherein the die mounting block is connected with a calibration die through a fixing member, the calibration die is located beside the detection die, and the calibration die is provided with a calibration slot to match with calibration laser for calibration.

4. The battery aluminum foil R-angle fluorescence thickness measurement auxiliary device of claim 3, wherein the driving mechanism is a stepping motor; the stepping motor is fixed through a motor bracket.

5. The auxiliary device for battery aluminum foil R-angle fluorescence thickness measurement according to claim 1, wherein the shaft is supported by two bearing supports on the same straight line.