Burr detection machine for lithium battery pole piece

By designing a burr detector for lithium battery electrode sheets, the multi-axis co-checking technology is used to achieve comprehensive detection of electrode sheets, the problem of low artificial detection accuracy in the prior art is solved, and the detection efficiency and effect are improved.

CN119395042AInactive Publication Date: 2025-02-07SHENZHEN HUAYI SUPER PRECISION MEASUREMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411405721.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-02-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, the detection of burrs generated during the slitting process of lithium battery poles relies on manual sampling, which is not accurate and has high operating strength.

Method used

Design a burr detection machine for lithium battery electrode plates, including a pole plate winding fixture module, an upper visual detection module, a point laser module and a side visual detection module, so as to realize the pole plate by multi-axis co-checking Comprehensive testing.

Benefits of technology

The full inspection of the extreme piece is achieved, with high detection efficiency and good results, and solves the problems of the accuracy and operation intensity of manual detection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119395042A_ABST
    Figure CN119395042A_ABST
Patent Text Reader

Abstract

The burr detection machine comprises a rack, the upper end of the rack is provided with a horizontally-arranged workbench, and the upper end of the workbench is provided with a pole piece winding jig module, an upper visual detection module, a point laser module and a side visual detection module; through the structural design of the pole piece winding jig module, the end face curl of a pole piece incoming material is improved, and the end face burr and plane burr detection capability and efficiency are improved; through multi-axis common detection of the upper visual detection module, the point laser module and the side visual detection module, comprehensive detection of the pole piece is achieved, the detection efficiency is high, and the effect is good; therefore, the device has the advantages of being novel in design, compact in structure, high in detection efficiency and good in effect, and achieving full detection of the pole piece.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery pole piece burr detection equipment, and in particular to a burr detection machine for lithium battery pole pieces. Background Art

[0002] In the production process of lithium batteries, the slitting process of the pole piece has an important impact on the quality of the finished lithium battery. During the slitting process, the pole piece will produce burrs in the horizontal and vertical directions. If the pole piece burrs produced during the slitting process are too large, they are easy to pierce the diaphragm between the positive and negative pole pieces, thus causing battery failure or safety accidents. Therefore, it is necessary to perform burr detection on the pole piece after slitting, improve the control slitting process, and reduce the size of the burrs produced during the slitting process.

[0003] At present, in the production process of lithium battery pole pieces, manual sampling is generally used to detect burrs on pole pieces. A section of the pole piece is cut, the edge of the pole piece is manually imaged, and then the edge of the pole piece in the image is manually drawn to determine the size of the burr. This method has high manual operation intensity and the accuracy of the detection results cannot be guaranteed. Summary of the invention

[0004] The purpose of the present invention is to provide a burr detection machine for lithium battery pole pieces in view of the deficiencies in the prior art. The burr detection machine for lithium battery pole pieces has novel design and compact structure, realizes full pole piece inspection, and has high detection efficiency and good effect.

[0005] To achieve the above object, the present invention is implemented through the following technical solutions.

[0006] A burr detection machine for lithium battery pole pieces, comprising a frame, a horizontally arranged workbench is installed on the upper end of the frame, and a pole piece winding fixture module, an upper visual inspection module, a point laser module and a side visual inspection module are installed on the upper end of the workbench;

[0007] The pole piece winding jig module is provided with a pole piece winding jig, and the pole piece winding jig is arranged at the upper end of the rotary fine-tuning component, and the rotary fine-tuning component is fixedly installed on the upper end of the workbench;

[0008] The upper visual inspection module is provided with an upward-looking support frame in a gantry shape, and the two feet of the upward-looking support frame are installed on the upper end of the workbench through an upward-looking Y-axis motor assembly arranged axially along the Y-axis, an upward-looking X-axis motor assembly arranged axially along the X-axis is installed on the upper end of the upward-looking support frame, and an upward-looking X-axis slide is installed on the upper end of the upward-looking X-axis motor assembly, an upward-looking Z-axis assembly arranged axially along the Z-axis is installed on the upper end of the upward-looking X-axis slide, and a vertically arranged upward-looking lens assembly is installed on the upper end of the upward-looking Z-axis assembly;

[0009] The point laser module is arranged vertically and installed on the upper end of the upward X-axis slide;

[0010] The side vision detection module is provided with a side view fixing seat fixedly mounted on the upper end of the workbench, a side view X-axis slide rail arranged axially along the X-axis is mounted on the upper end of the side view fixing seat, and a corresponding side view X-axis slide is mounted on the upper end of the side view X-axis slide rail, a side view Y-axis moving assembly arranged axially along the Y-axis is mounted on the upper end of the side view X-axis slide, a side view Z-axis moving assembly arranged axially along the Z-axis is mounted on the upper end of the side view Y-axis moving assembly, and a side view lens assembly arranged axially along the Y-axis is mounted on the upper end of the side view Z-axis moving assembly.

[0011] Wherein, the material of the workbench is marble.

[0012] Among them, the pole piece winding fixture includes a horizontally arranged base, and a winding support frame is installed on the upper end of the base, a winding synchronous belt arranged axially along the X-axis is installed on the upper end of the winding support frame, and a plurality of pole piece adsorption magnets arranged in a row are installed on the upper end of the surface of the winding synchronous belt, the winding synchronous belt is connected to a winding servo motor, and the winding servo motor is installed on the upper end of the base through a guide slide rail arranged axially along the X-axis.

[0013] Wherein, a surface light source is installed on the upper end of the base.

[0014] Wherein, the winding synchronous belt is connected to the winding servo motor through a magnetic coupling and a driving belt.

[0015] Wherein, the material of the upper viewing support frame is marble.

[0016] The beneficial effects of the present invention are as follows: a burr detection machine for lithium battery pole pieces described in the present invention comprises a frame, a horizontally arranged workbench is installed on the upper end of the frame, a pole piece winding jig module, an upper visual inspection module, a point laser module and a side visual inspection module are installed on the upper end of the workbench; the pole piece winding jig module is provided with a pole piece winding jig, and the pole piece winding jig is arranged at the upper end of a rotation fine-tuning component, and the rotation fine-tuning component is fixedly installed on the upper end of the workbench; the upper visual inspection module is provided with a gantry-shaped upper-view support frame, and the two feet of the upper-view support frame are installed on the upper end of the workbench through an upper-view Y-axis motor assembly arranged axially along the Y-axis, an upper-view X-axis motor assembly arranged axially along the X-axis is installed on the upper end of the upper-view X-axis motor assembly, and an upper-view An X-axis slide, an upper-view Z-axis assembly arranged axially along the Z-axis is installed on the upper end of the upper-view Z-axis slide, and an upper-view lens assembly arranged vertically is installed on the upper end of the upper-view Z-axis assembly; a point laser module is vertically installed on the upper end of the upper-view X-axis slide; a side vision detection module is provided with a side-view fixed seat fixedly installed on the upper end of the workbench, a side-view X-axis slide rail arranged axially along the X-axis is installed on the upper end of the side-view X-axis fixed seat, and a corresponding matching side-view X-axis slide is installed on the upper end of the side-view X-axis slide rail, a side-view Y-axis moving assembly arranged axially along the Y-axis is installed on the upper end of the side-view X-axis slide, a side-view Z-axis moving assembly arranged axially along the Z-axis is installed on the upper end of the side-view Y-axis moving assembly, and a side-view lens assembly arranged axially along the Y-axis is installed on the upper end of the side-view Z-axis moving assembly. The present invention improves the curling of the end face of the incoming pole piece material and improves the detection capability and efficiency of end face burrs and plane burrs through the structural design of the pole piece winding jig module; through the multi-axis co-inspection of the upper visual inspection module, the point laser module and the side visual inspection module, the comprehensive inspection of the pole piece is realized, and the inspection efficiency is high and the effect is good; therefore, the present invention has the advantages of novel design, compact structure, and realizes the full inspection of the pole piece, and the inspection efficiency is high and the effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below with the aid of the accompanying drawings. However, the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure of the pole piece winding jig of the present invention;

[0020] Figure 3 It is a structural schematic diagram of the side vision detection module of the present invention.

[0021] exist Figure 1-3 Included are:

[0022] 1——Frame 11——Workbench

[0023] 2——Pole piece winding fixture module 21——Pole piece winding fixture

[0024] 211——Base 212——Winding support frame

[0025] 213——Winding synchronous belt 214——Pole piece adsorption magnet

[0026] 215——Winding servo motor 216——Guide rail

[0027] 217——Surface light source 218——Magnetic coupling

[0028] 219——Drive belt 22——Rotation fine adjustment assembly

[0029] 3——Upper visual inspection module 31——Upper visual support frame

[0030] 311——Upward-looking Y-axis motor assembly 32——Upward-looking X-axis motor assembly

[0031] 33——Upward X-axis slide 34——Upward Z-axis assembly

[0032] 35——Upward lens assembly 4——Point laser module

[0033] 5——Side vision detection module 51——Side vision fixing seat

[0034] 52——Side view of X-axis slide rail 53——Side view of X-axis slide seat

[0035] 54——Side view Y axis moving component 55——Side view Z axis moving component

[0036] 56——Side view lens assembly. DETAILED DESCRIPTION

[0037] The present invention is described below in conjunction with specific implementation methods.

[0038] like Figure 1-3 As shown, a burr detection machine for lithium battery pole pieces comprises a frame 1, a horizontally arranged workbench 11 is installed on the upper end of the frame 1, and a pole piece winding fixture module 2, an upper visual inspection module 3, a point laser module 4 and a side visual inspection module 5 are installed on the upper end of the workbench 11;

[0039] The pole piece winding jig module 2 is provided with a pole piece winding jig 21, and the pole piece winding jig 21 is arranged on the upper end of the rotating fine-tuning component 22, and the rotating fine-tuning component 22 is fixedly mounted on the upper end of the workbench 11;

[0040] The upper visual inspection module 3 is provided with an upper support frame 31 in a gantry shape, and the two feet of the upper support frame 31 are installed on the upper end of the workbench 11 through an upper Y-axis motor assembly 311 arranged along the Y-axis axial direction, an upper X-axis motor assembly 32 arranged along the X-axis axial direction is installed on the upper end of the upper support frame 31, and an upper X-axis slide 33 is installed on the upper end of the upper X-axis motor assembly 32, an upper Z-axis assembly 34 arranged along the Z-axis axial direction is installed on the upper end of the upper X-axis slide 33, and a vertically arranged upper lens assembly 35 is installed on the upper end of the upper Z-axis assembly 34;

[0041] The point laser module 4 is arranged vertically and mounted on the upper end of the upward X-axis slide 33;

[0042] The side vision detection module 5 is provided with a side view fixed seat 51 fixedly mounted on the upper end of the workbench 11, a side view X-axis slide rail 52 arranged axially along the X-axis is mounted on the upper end of the side view fixed seat 51, and a corresponding side view X-axis slide seat 53 is mounted on the upper end of the side view X-axis slide rail 52, a side view Y-axis moving assembly 54 arranged axially along the Y-axis is mounted on the upper end of the side view X-axis slide seat 53, a side view Z-axis moving assembly 55 arranged axially along the Z-axis is mounted on the upper end of the side view Y-axis moving assembly 54, and a side view lens assembly 56 arranged axially along the Y-axis is mounted on the upper end of the side view Z-axis moving assembly 55.

[0043] As a preferred embodiment of the present invention, the workbench 11 is made of marble.

[0044] Furthermore, the pole piece winding fixture 21 includes a horizontally arranged base 211, and a winding support frame 212 is installed on the upper end of the base 211, a winding synchronous belt 213 arranged axially along the X-axis is installed on the upper end of the winding support frame 212, and a plurality of pole piece adsorption magnets 214 arranged in a row are installed on the upper end of the surface of the winding synchronous belt 213, the winding synchronous belt 213 is connected to a winding servo motor 215, and the winding servo motor 215 is installed on the upper end of the base 211 through a guide slide rail 216 arranged axially along the X-axis.

[0045] Furthermore, a surface light source 217 is installed on the upper end of the base 211 .

[0046] Furthermore, the winding synchronous belt 213 is connected to the winding servo motor 215 through a magnetic coupling 218 and a driving belt 219 .

[0047] As a preferred embodiment of the present invention, the material of the upper support frame 31 is marble.

[0048] Further explanation is needed. The present invention improves the curling of the end face of the incoming pole piece material and improves the detection capability and efficiency of end face burrs and plane burrs through the structural design of the pole piece winding jig module 2. Through the multi-axis co-inspection of the upper visual inspection module 3, the point laser module 4 and the side visual inspection module 5, the comprehensive inspection of the pole piece is realized, and the inspection efficiency is high and the effect is good. Therefore, the present invention has the advantages of novel design, compact structure, and realizes the full inspection of the pole piece, and the inspection efficiency is high and the effect is good.

[0049] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The content of this specification should not be understood as limiting the present invention.

Claims

1. A burr detection machine for lithium battery pole pieces, characterized in that: The machine comprises a frame (1), a horizontally arranged workbench (11) is installed on the upper end of the frame (1), and a pole piece winding fixture module (2), an upper visual detection module (3), a point laser module (4) and a side visual detection module (5) are installed on the upper end of the workbench (11); The pole piece winding jig module (2) is provided with a pole piece winding jig (21), and the pole piece winding jig (21) is arranged on the upper end of a rotary fine-tuning component (22), and the rotary fine-tuning component (22) is fixedly mounted on the upper end of a workbench (11); The upper visual detection module (3) is provided with a gantry-shaped upper viewing support frame (31), and the two feet of the upper viewing support frame (31) are mounted on the upper end of the workbench (11) through an upper viewing Y-axis motor assembly (311) arranged along the Y-axis axis, the upper end of the upper viewing support frame (31) is equipped with an upper viewing X-axis motor assembly (32) arranged along the X-axis axis, and the upper end of the upper viewing X-axis motor assembly (32) is equipped with an upper viewing X-axis slide seat (33), the upper end of the upper viewing X-axis slide seat (33) is equipped with an upper viewing Z-axis assembly (34) arranged along the Z-axis axis, and the upper end of the upper viewing Z-axis assembly (34) is equipped with an upper viewing lens assembly (35) arranged vertically; The point laser module (4) is arranged vertically and mounted on the upper end of the upward X-axis slide seat (33); The side vision detection module (5) is provided with a side view fixed seat (51) fixedly mounted on the upper end of the workbench (11); a side view X-axis slide rail (52) arranged along the X-axis is mounted on the upper end of the side view fixed seat (51); a corresponding side view X-axis slide seat (53) is mounted on the upper end of the side view X-axis slide rail (52); a side view Y-axis moving assembly (54) arranged along the Y-axis is mounted on the upper end of the side view X-axis slide seat (53); a side view Z-axis moving assembly (55) arranged along the Z-axis is mounted on the upper end of the side view Y-axis moving assembly (54); and a side view lens assembly (56) arranged along the Y-axis is mounted on the upper end of the side view Z-axis moving assembly (55).

2. The burr detection machine for lithium battery pole pieces according to claim 1, characterized in that: The workbench (11) is made of marble.

3. The burr detection machine for lithium battery pole pieces according to claim 1, characterized in that: The pole piece winding fixture (21) comprises a horizontally arranged base (211), and a winding support frame (212) is installed on the upper end of the base (211), a winding synchronous belt (213) arranged along the axial direction of the X-axis is installed on the upper end of the winding support frame (212), and a plurality of pole piece adsorption magnets (214) arranged in a row are installed on the upper end of the surface of the winding synchronous belt (213), the winding synchronous belt (213) is connected to a winding servo motor (215), and the winding servo motor (215) is installed on the upper end of the base (211) via a guide slide rail (216) arranged along the axial direction of the X-axis.

4. The burr detection machine for lithium battery pole pieces according to claim 3 is characterized in that: A surface light source (217) is mounted on the upper end of the base (211).

5. The burr detection machine for lithium battery pole pieces according to claim 3, characterized in that: The winding synchronous belt (213) is connected to the winding servo motor (215) via a magnetic coupling (218) and a driving belt (219).

6. The burr detection machine for lithium battery pole pieces according to claim 1, characterized in that: The material of the upper support frame (31) is marble.