Full-automatic laser scribing equipment
By using multiple dust removal and correction modules in the fully automated laser engraving equipment, the problem of dust adhesion after electrode engraving is solved, ensuring electrode cleanliness and improving work efficiency and battery performance.
Patent Information
- Application Number
- CN202422776473.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing fully automated laser scribing equipment is prone to dust adhesion after scribing the electrode sheets, which affects battery performance.
A fully automatic laser engraving device was designed, including an unwinding module, a brush dust removal module, a laser engraving correction control module, a laser module, an air knife dust removal module, a CCD appearance inspection module, a defect labeling module, and a rewinding module. Through various dust removal and correction measures, the cleanliness of the electrode sheets is ensured.
It effectively removes dust and metal debris from the electrode surface, ensuring that battery performance is not affected, and improves work efficiency and the degree of automation in electrode winding.
Smart Images

Figure CN223557518U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to laser line marking technical field especially relates to a full -automatic laser line marking equipment. BACKGROUND
[0002] Laser line marking technology is a processing method using laser to make groove lines on the surface of the pole piece of lithium battery or sodium battery. The pole piece after line marking can speed up the liquid injection of lithium battery, reduce the liquid injection time and save the cost of equipment. At the same time, the pole piece of lithium battery has good wettability, and the lithium battery has good cycle and rate performance.
[0003] The full -automatic laser line marking equipment in the prior art is prone to cause the outer wall of the pole piece to adhere to dust after line marking, thereby affecting the performance of the battery after production and the subsequent use of the battery. The utility model provides a full -automatic laser line marking equipment, which can automatically process and produce the pole piece. UTILITY MODEL CONTENTS
[0004] Based on the technical problem that the outer wall of the pole piece is prone to adhere to dust after line marking in actual use, thereby affecting the performance of the battery after production and the subsequent use of the battery, the utility model provides a full -automatic laser line marking equipment.
[0005] The utility model provides a full -automatic laser line marking equipment, which comprises an unwinding module, an unwinding tension module, a brush dust removal module, a laser line marking deviation correction control module, a laser module, a process tension control module, a wind knife dust removal, a CCD appearance detection module, a defective identification labeling module, a received tension control module, a winding module and a shell.
[0006] The unwinding module is fixedly connected to the inner wall of the shell, and the unwinding module is composed of two unwinding mechanisms, the brush dust removal module has three, the three brush dust removal modules are all fixedly connected to the inner wall of the shell, the unwinding tension module, the process tension control module and the received tension control module are all fixedly connected to the inner wall of the shell, the laser line marking deviation correction control module has two, the two laser line marking deviation correction control modules are all fixedly connected to the inner wall of the shell, the laser module is fixedly connected to the inner wall of the shell, and the laser module is internally provided with two galvanometer heads and a negative pressure dust collection device, the CCD appearance detection module and the defective identification labeling module are all fixedly connected to the inner wall of the shell, and the CCD appearance detection module and the defective identification labeling module are electrically connected, the winding module is fixedly connected to the inner wall of the shell, and the winding module is composed of two winding mechanisms.
[0007] Through the above mechanism: through the cooperation of the two unwinding mechanisms of the unwinding module, two rolls of pole pieces can be simultaneously unwound at a time, and the automatic roll changing function is achieved, when one roll is used up, the other roll can be automatically connected, greatly improving the work efficiency, the brush dust removal module is in closed mode except the pole piece inlet and outlet, the brush dust removal module is convenient for dust removal on both sides of the pole piece, and the inside of the brush dust removal module has a negative pressure dust collection function, so as to clean both sides of the pole piece, the inside of the laser module is provided with two galvanometer heads, which are respectively arranged on both sides of the pole piece, and can simultaneously mark lines on both sides of the pole piece, improving the work efficiency, and the laser module is in closed mode except the pole piece inlet and outlet, and is provided with a negative pressure dust collection device inside, the inside of the CCD appearance detection module is symmetrically provided with detection cameras, the detection cameras can detect the line marking quality on both sides of the pole piece, if there is a problem, a feedback signal will be given to the defective label sticking module, and the subsequent defective label will be stuck, after receiving the defective signal of the CCD detection, the defective label sticking module identifies the specific position through the encoder and sticks the label, and the defective label sticking module is provided with an unwinding and winding structure of the defective label, through the cooperation of the two winding mechanisms of the winding module, when one roll is full, the other roll is automatically switched to winding, thereby improving the winding efficiency.
[0008] Preferably, the inner wall of the shell is fixedly connected with an air knife dust removal device, and the air knife dust removal device is provided with a plurality of air outlets.
[0009] Further, the air knife dust removal device is in closed mode except the pole piece inlet and outlet, and the air knife dust removal device uses plasma wind to prevent dust from being electrostatically adsorbed in the device or on the pole piece.
[0010] Preferably, the inner wall of the shell is fixedly connected with a magnetic bar iron removal module, and the magnetic bar iron removal module comprises two neodymium magnets.
[0011] Further, the two neodymium magnets cooperate to magnetically attract both sides of the pole piece to prevent residual metal debris from adhering to the outer wall of the pole piece.
[0012] Preferably, the inner wall of the shell is fixedly connected with a winding and deviation correction module, and the winding and deviation correction module is matched with the winding module.
[0013] Further, through the cooperation of the winding and deviation correction module and the winding module, the pole piece is conveniently corrected, so that the winding module conveniently winds the processed pole piece, and subsequent processing is facilitated.
[0014] The present application is equipped with a laser module, which can mark lines on the pole piece, and the module contains a dust removal device to ensure dust control during pole piece processing. This equipment has multiple and various dust removal methods, which maximally ensure the cleanliness of the pole piece and the performance of the subsequent battery, and has good practicability. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A structure schematic view of a full-automatic laser line marking equipment is provided in the utility model.
[0016] In the drawing: 1, unwinding module; 2, unwinding tension module; 3, brush dust removal module; 4, laser line marking deviation correction control module; 5, laser module; 6, process tension control module; 7, air knife dust removal; 8, magnetic bar iron removal module; 9, CCD appearance detection module; 10, bad mark labeling module; 11, receiving tension control module; 12, winding deviation correction module; 13, winding module; 14, shell. DETAILED DESCRIPTION
[0017] The utility model will be further explained in combination with specific embodiments.
[0018] Reference Figure 1 A full-automatic laser line marking equipment is provided in the embodiment, which comprises: an unwinding module 1, an unwinding tension module 2, a brush dust removal module 3, a laser line marking deviation correction control module 4, a laser module 5, a process tension control module 6, an air knife dust removal 7, a CCD appearance detection module 9, a bad mark labeling module 10, a receiving tension control module 11, a winding module 13, and a shell 14.
[0019] The unwinding module 1 is fixedly connected to the inner wall of the shell 14, and the unwinding module 1 is composed of two unwinding mechanisms. The brush dust removal module 3 has three brush dust removal modules, which are all fixedly connected to the inner wall of the shell 14. The unwinding tension module 2, the process tension control module 6, and the receiving tension control module 11 are all fixedly connected to the inner wall of the shell 14. The laser line marking deviation correction control module 4 has two laser line marking deviation correction control modules, which are both fixedly connected to the inner wall of the shell 14. The laser module 5 is fixedly connected to the inner wall of the shell 14, and the laser module 5 is internally provided with two galvanometer heads and a negative pressure dust suction device. The CCD appearance detection module 9 and the bad mark labeling module 10 are both fixedly connected to the inner wall of the shell 14, and the CCD appearance detection module 9 and the bad mark labeling module 10 are electrically connected. The winding module 13 is fixedly connected to the inner wall of the shell 14, and the winding module 13 is composed of two winding mechanisms.
[0020] Through the above mechanism: by the cooperation of the two unwinding mechanisms of the unwinding module 1, two rolls of pole pieces can be simultaneously unwound at a time, and the automatic roll changing function is achieved, when one roll is used up, the other roll can be automatically connected, greatly improving the work efficiency. The brush dust removal module 3 is in a closed mode except for the pole piece inlet and outlet, and the brush dust removal module 3 is convenient for dust removal on both sides of the pole piece, and the inside of the brush dust removal module 3 has a negative pressure dust collection function to clean both sides of the pole piece. The laser module 5 is provided with two galvanometer heads inside, which are respectively arranged on both sides of the pole piece, and can simultaneously mark lines on both sides of the pole piece, improving the work efficiency. The laser module 5 is in a closed mode except for the pole piece inlet and outlet, and is provided with a negative pressure dust collection device inside. The inside of the CCD appearance detection module 9 is symmetrically provided with detection cameras, which can detect the marking quality on both sides of the pole piece. If there is a problem, a feedback signal will be given to the defective label marking module 10, and the defective label will be marked in the subsequent process. The defective label marking module 10 receives the defective signal from the CCD detection, identifies the specific position through the encoder, and marks the position. The defective label marking module 10 is provided with an unwinding and winding structure of the defective label, and through the cooperation of the two winding mechanisms of the winding module 13, when one roll is full, the other roll is automatically switched to winding, thereby improving the winding efficiency.
[0021] In this embodiment, the inner wall of the shell 14 is fixedly connected with the air knife dust removal 7, and the air knife dust removal 7 is provided with a plurality of air outlets inside. The inner wall of the air knife dust removal 7 is provided with a negative pressure dust collection device. The air knife dust removal 7 is in a closed mode except for the pole piece inlet and outlet, and the air knife dust removal 7 uses plasma wind to prevent dust from being electrostatically adsorbed in the device or on the pole piece.
[0022] In this embodiment, the inner wall of the shell 14 is fixedly connected with the magnetic rod iron removal module 8, and the magnetic rod iron removal module 8 includes two neodymium magnets. Through the cooperation of the two neodymium magnets, the two sides of the pole piece are magnetically attracted to prevent the outer wall of the pole piece from adhering to residual metal debris.
[0023] In this embodiment, the inner wall of the shell 14 is fixedly connected with the winding and deviation correction module 12, and the winding and deviation correction module 12 is matched with the winding module 13. Through the cooperation of the winding and deviation correction module 12 and the winding module 13, the pole piece is conveniently corrected, so that the winding module 13 conveniently winds the processed pole piece, and the subsequent processing is facilitated.
[0024] Working principle: in actual use, 1, the pole piece is unwound through the unwinding module 1, passes through the roller, first passes through the unwinding tension module 2, and then passes through the first brush dust removal module 3, the surface of the pole piece is removed through the brush dust removal module 3, to prevent dust from affecting laser line processing; 2, the pole piece passes through the laser line correction control module 4, the position of the pole piece is corrected through the laser line correction control module 4, so that the pole piece accurately reaches the laser line processing area; 3, the pole piece is processed through the laser module 5, and the inside has a dust removal device; 4, after processing, the pole piece is first dusted through the second brush dust removal module 3, then dusted through the air knife dust removal device 7, then dusted through the third brush dust removal module 3, and finally dusted through the magnetic rod iron removal module 8, to complete the surface cleaning work after the pole piece line processing, the tension control module 6 is used to ensure the tension control of the pole piece during the dust removal process; 5, the pole piece after dust removal is detected through the CCD appearance detection module 9, and if there is unqualified, it is identified by pasting a bad label; 6, the pole piece is wound through the cooperation of the receiving tension control module 11, the winding correction module 12 and the winding module 13, and the pole piece line processing is completed, and the pole piece is turned out to the next process, the above steps realize that the pole piece after line processing is ensured to have no dust and will not affect the performance of the battery.
[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A fully automatic laser scribe device, characterized in that, Include: Unwinding module (1), unwinding tension module (2), brush dust removal module (3), laser line correction control module (4), laser module (5), process tension control module (6), air knife dust removal (7), CCD appearance detection module (9), bad identification labeling module (10), received tension control module (11), winding module (13) and shell (14); The unwinding module (1) is fixedly connected to the inner wall of the shell (14), and the unwinding module (1) is composed of two unwinding mechanisms, the number of the brush dust removal module (3) is three, the three brush dust removal modules (3) are fixedly connected to the inner wall of the shell (14), the unwinding tension module (2), the process tension control module (6) and the received tension control module (11) are fixedly connected to the inner wall of the shell (14), the number of the laser line correction control module (4) is two, the two laser line correction control modules (4) are fixedly connected to the inner wall of the shell (14), the laser module (5) is fixedly connected to the inner wall of the shell (14), and the laser module (5) is provided with two galvanometer heads and negative pressure dust collection devices in the inside, the CCD appearance detection module (9) and the bad identification labeling module (10) are fixedly connected to the inner wall of the shell (14), and the CCD appearance detection module (9) and the bad identification labeling module (10) are electrically connected, the winding module (13) is fixedly connected to the inner wall of the shell (14), and the winding module (13) is composed of two winding mechanisms.
2. The full-automatic laser scribing device according to claim 1, wherein, The inner wall of the shell (14) is fixedly connected with the air knife dust removal (7), and the air knife dust removal (7) is provided with a plurality of blowing ports in the inside, and the inner wall of the air knife dust removal (7) is provided with a negative pressure dust collection device.
3. The full-automatic laser scribing device according to claim 1, wherein, The inner wall of the shell (14) is fixedly connected with the magnetic bar iron removal module (8), and the magnetic bar iron removal module (8) comprises two neodymium magnets.
4. The full-automatic laser scribing device according to claim 1, wherein, The inner wall of the shell (14) is fixedly connected with the winding correction module (12), and the winding correction module (12) is matched with the winding module (13).