Pole piece size measuring equipment

By designing an electrode size measuring device with a vacuum adsorption plate and a smoothing roller, the problem that electrode measuring devices cannot adapt to ultra-long dimensions and warping has been solved, and efficient and accurate electrode size measurement has been achieved.

CN223580935UActive Publication Date: 2025-11-21NANJING DEEPGET INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202423302895.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-21
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing electrode measuring equipment cannot effectively measure excessively long electrodes, and the measurement results are easily inaccurate due to warping and local unevenness.

Method used

An electrode size measurement device was designed. The electrode is fixed by a vacuum adsorption plate, combined with a smoothing roller and a CCD imaging module. The measurement is fully automated through a scanning motion module. The device includes a stage pressure block and a negative pressure adsorption system to prevent warping. The smoothing roller eliminates the influence of local unevenness during the imaging process.

Benefits of technology

It enables efficient and accurate measurement of electrode sheets with lengths of up to 4 meters or more, eliminating the effects of warping and local unevenness, and improving measurement accuracy and efficiency.

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Abstract

The utility model relates to the technical field of film type product measurement, in particular to pole piece size measuring equipment which comprises an electric control cabinet, a carrying table, a feeding and discharging movement module, a scanning movement module, a CCD imaging module, a pressing block and a smoothing roller, the feeding and discharging movement module is located above the electric control cabinet, and the carrying table is installed on the feeding and discharging movement module. The pole piece is fixed on the carrying table through the pressing block, the CCD imaging module is located above the pole piece, and the smoothing roller smooths the pole piece in front of a photographing position when the CCD imaging module moves to scan and image. According to the utility model, the problems that the conventional pole piece is easy to warp during measurement, the local part is concave and convex in the measurement process, the size specification of a product to be measured is different, and especially the length dimension is ultra-long are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to thin film product measurement technical field especially relates to a pole piece size measurement equipment. BACKGROUND

[0002] Thin film product size measurement, especially lithium battery pole piece size measurement, measurement data includes pole piece width, pole piece tab spacing, tab width, tab height, MARK hole width, MARK hole height and other items.

[0003] At present, the measurement of pole piece products is mainly realized by high-definition photographing of the pole piece through an imaging module (camera), and the current measurement has the following deficiencies:

[0004] 1) Multiple product specifications need to be compatible, with different lengths and widths, the product width range is generally 50-250mm, the length can reach more than 4 meters, and the size to be measured is also large, far exceeding the camera field of view, based on a single camera shooting a single image, which cannot meet the measurement requirements.

[0005] 2) When measuring the pole piece, the extremely thin thickness itself is easy to cause warping to affect the measurement result, and at the same time, local concave-convex problems may occur during the measurement process, reducing the accuracy of the measurement result. INVENTION CONTENTS

[0006] The utility model provides a pole piece size measurement equipment, solves the problem that the existing pole piece measurement is easy to warp, the local concave-convex during the measurement process, and the size specification of the product to be measured is not the same, especially the length size is too long (exceeds the maximum field of view of the camera).

[0007] In order to realize the purpose of the utility model, the technical scheme adopted is: a pole piece size measurement equipment, including an electric control cabinet, a loading platform, an up-down feeding motion module, a scanning motion module, a CCD imaging module, a pressing block and a smoothing roller, the up-down feeding motion module is located above the electric control cabinet, the loading platform is installed on the up-down feeding motion module, the pole piece is fixed on the loading platform through the pressing block, the CCD imaging module is located above the pole piece, and the smoothing roller is used to smooth the pole piece in front of the photographing position when the CCD imaging module moves and scans imaging.

[0008] As an optimization scheme of the utility model, a vacuum adsorption plate is arranged on the loading platform, and the vacuum adsorption plate is used for adsorbing and fixing the pole piece.

[0009] As an optimization scheme of the utility model, the up-down feeding motion module includes linear modules at both ends and a line rail, the line rail is located between the linear modules, the line rail is used to support the loading platform, and the loading platform moves forward and backward on the linear modules.

[0010] As an optimization scheme of the utility model, the smoothing roller and the CCD imaging module are both driven through the scanning motion module.

[0011] As an optimization scheme of the utility model, the flattening roller is connected with the pressure roller cylinder, and the electric control cabinet controls the pressure roller cylinder to make the flattening roller press down and lift up.

[0012] As an optimization scheme of the utility model, the pressure block is connected with the cylinder, and the electric control cabinet controls the cylinder to make the pressure block press down and move up.

[0013] As an optimization scheme of the utility model, the pole piece size measuring device further comprises a display fixed on the pole piece size measuring device through a mounting bracket.

[0014] The utility model has positive effect: 1) the utility model can adapt to the size measurement of different length-width size, especially the size of pole piece with length up to 4m or above, through full-automatic measurement mode, overall time consumption is low, and the measurement efficiency is greatly improved;

[0015] 2) the utility model combines the use of the loading platform pressure block and the optional negative pressure adsorption system, effectively prevents the overall warping of the pole piece, the flattening roller moves along with the CCD imaging module, flattens the surface of the pole piece at the moment of shooting, eliminates the influence of local concave-convex, and improves the accuracy of the arrangement measurement result. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in detail in combination with the drawings and specific embodiments.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Among them: 1, electric control cabinet, 2, loading platform, 4, scanning movement module, 5, CCD imaging module, 6, pressure block, 7, flattening roller, 8, display, 31, linear module, 32, line rail. SPECIFIC EMBODIMENT

[0019] In order to make the purpose, technical scheme and advantages of the patent embodiment more clear, the technical scheme in the patent embodiment will be clearly and completely described in combination with the drawings in the patent embodiment.

[0020] The following description of at least one exemplary embodiment is merely illustrative in nature, and not intended to limit the patent in any way, nor the application or use of the patent. Based on the embodiments in the patent, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the patent.

[0021] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the patent.

[0022] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these examples do not limit the scope of the present application unless otherwise specified. Meanwhile, it should be clear that the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship for the sake of convenience of description. Techniques, methods, and devices known to those skilled in the art can not be discussed in detail, and in all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other example values of the example embodiments can have different values.

[0023] As shown in the Figure 1 The utility model discloses a pole piece size measuring equipment, including electric control cabinet 1, platform 2, up and down material movement module, scanning movement module 4, CCD imaging module 5, briquetting 6 and smoothing roller 7, up and down material movement module is located electric control cabinet 1 top, platform 2 is installed on up and down material movement module, and pole piece is fixed on platform 2 through briquetting 6, and CCD imaging module 5 is located pole piece top, and smoothing roller 7 is flattened pole piece in the front of the photographing position when CCD imaging module 5 movement scanning imaging.

[0024] Vacuum adsorption plate is arranged on platform 2, and vacuum adsorption plate is used for adsorbing and fixing pole piece. Through vacuum adsorption plate negative pressure adsorption, avoid pole piece warping, and vacuum adsorption plate is connected with vacuum generator, and pole piece is pneumatically adsorbed through electric control cabinet 1 control vacuum generator.

[0025] Up and down material movement module includes linear module 31 and line rail 32 of both ends, and line rail 32 is located between linear module 31, and line rail 32 is used for supporting platform 2, and platform 2 moves back and forth on linear module 31. Line rail 32 plays a supporting linkage role. Up and down material movement module pushes platform 2 and pole piece into the measuring position.

[0026] Smoothing roller 7 and CCD imaging module 5 are all driven through scanning movement module 4. Scanning movement module 4 drives smoothing roller 7 and CCD imaging module 5 to make left and right linear motion, and scanning movement module 4 is realized through slide rail. Smoothing roller 7 is installed in front of CCD imaging module 5, when starting detection, smoothing roller 7 is pressed down, when scanning movement module 4, smoothing roller 7 moves, CCD imaging module 5 takes photograph, and CCD imaging module 5 and smoothing roller 7 act on the same workpiece. Smoothing roller 7 is connected with press roll cylinder, and the lifting of smoothing roller 7 is controlled through press roll cylinder, so as to flatten pole piece.

[0027] Briquetting 6 is connected with cylinder, and electric control cabinet 1 makes briquetting 6 press down and move up through controlling cylinder. Briquetting 6 is arranged in the top of platform 2, and simultaneously, platform 2 has a briquetting 6 at both ends, and when working, the briquetting 6 at both ends automatically press down and press pole piece on platform 2.

[0028] The pole piece size measuring device further comprises a display 8 fixed on the pole piece size measuring device through a mounting frame, and the measurement result can be viewed through the display 8.

[0029] In operation,

[0030] 1) Place the pole piece to be measured on the loading platform 2, and align the edge of the pole piece through the stop block;

[0031] 2) Smooth the pole piece manually, press the pole piece through the pressing block 6, and start negative pressure adsorption (optional)

[0032] 3) Press the start button to start automatic action, including:

[0033] Lift the smoothing roller 7 through the pressing roller cylinder;

[0034] Push the loading platform 2 and the pole piece into the measuring position through the loading and unloading movement module;

[0035] Lower the smoothing roller 7 through the pressing roller cylinder;

[0036] Drive the CCD imaging module 5 to move linearly through the scanning movement module 4, and simultaneously scan and image, and move from the set starting point to the ending point;

[0037] Splice and analyze the photographed pictures through the detection software, and output each measurement size;

[0038] Lift the smoothing roller 7 through the pressing roller cylinder;

[0039] Move the scanning movement module 4 back to the starting point;

[0040] Move the loading platform 2 and the pole piece back to the loading position through the loading and unloading movement module;

[0041] Manually confirm the result, and optionally recheck;

[0042] After confirming the result, manually take the pole piece, and wait for the next time of placing the pole piece.

[0043] In addition, the detection software and algorithm: the distance and other parameters of the scanning movement module are configured according to the product specifications in advance, and the corresponding parameters are loaded through one-key switching in actual use. For each pole piece to be measured, multiple pictures are usually taken according to the total length of the product and the camera field of view, the detection software automatically splices multiple pictures into one overall picture, automatically finds the image edge based on the image processing algorithm, and performs size measurement.

[0044] The pole piece size measuring device has the following advantages:

[0045] 1) The one-key automatic high-precision size measurement is realized for pole pieces with different length-width sizes, especially pole pieces with super-long length (for example, the design width is 300 mm, and the length can reach more than 4 meters), the measurement precision is 0.1 mm, and the time is within 30 seconds;

[0046] 2) Design long size carrier 2, can lay different color background film, adapt to different product contrast;

[0047] 3) Design carrier block, manual loading includes position alignment <1mm;

[0048] 4) Design carrier pressure block 6, can move according to product length, press down after loading, solve product overall warping;

[0049] 5) Design negative pressure adsorption, further solve product warping;

[0050] 6) Design smoothing roller 7, follow movement in front of the shooting position when moving scanning imaging, solve local concave-convex problem when shooting.

[0051] 7) Detection software automatically splices scanning image pre-processing, can measure super long size (far more than the maximum field of view of camera).

[0052] The above-described specific embodiments further specifically describe the purpose, technical solutions and beneficial effects of the present application, and it should be understood that the above-described specific embodiments are merely specific embodiments of the present application and are not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A pole piece size measuring apparatus characterized by: It comprises an electric control cabinet (1), a carrier (2), an up-down feeding motion module, a scanning motion module (4), a CCD imaging module (5), a pressing block (6) and a flattening roller (7), the up-down feeding motion module is above the electric control cabinet (1), the carrier (2) is installed on the up-down feeding motion module, the pole piece is fixed on the carrier (2) through the pressing block (6), the CCD imaging module (5) is above the pole piece, and the flattening roller (7) flattens the pole piece in front of the photographing position when the CCD imaging module (5) moves to scan and image.

2. The pole piece size measuring apparatus according to claim 1, characterized by: A vacuum adsorption plate is arranged on the carrier (2), and is used for adsorbing and fixing the pole piece.

3. The pole piece size measuring apparatus of claim 2, wherein: The up-down feeding motion module comprises linear modules (31) at two ends and a linear rail (32), the linear rail (32) is between the linear modules (31), the linear rail (32) is used for supporting the carrier (2), and the carrier (2) moves forward and backward on the linear modules (31).

4. The pole piece size measuring apparatus of claim 3, wherein: The flattening roller (7) and the CCD imaging module (5) are both driven by the scanning motion module (4).

5. The pole piece size measuring apparatus of claim 4, wherein: The flattening roller (7) is connected with a pressing roller cylinder, and the electric control cabinet (1) controls the pressing roller cylinder to make the flattening roller (7) press down and lift up.

6. The pole piece size measuring apparatus of claim 4, wherein: The pressing block (6) is connected with a cylinder, and the electric control cabinet (1) controls the cylinder to make the pressing block (6) press down and move up.

7. The pole piece size measuring apparatus of claim 6, wherein: The pole piece size measuring device further comprises a display (8) fixed on the pole piece size measuring device through a mounting frame.