Full-automatic laser scribing equipment

Abstract

The invention belongs to the technical field of laser scribing, and particularly relates to full-automatic laser scribing equipment. The device comprises an unwinding module, an unwinding tension module, a brush dust removal module, a laser scribing deviation correction control module, a laser module, a process tension control module, an air knife dust removal module, a CCD appearance detection module, a bad mark labeling module, a tension receiving control module, a winding module and a shell, and the unwinding module is fixedly connected to the inner wall of the shell; the unwinding module is composed of two unwinding mechanisms, the number of the brush dust removal modules is three, and the three brush dust removal modules are all fixedly connected to the inner wall of the shell, the laser module is arranged, scribing machining can be conducted on the pole piece, meanwhile, a dust removal device is arranged in the module, and dust control in the pole piece machining process is guaranteed. The equipment has a plurality of dust removal methods, ensures the cleanliness of the pole piece to the greatest extent, ensures the performance of a subsequent battery, and has good practicability.

Description

Technical Field

[0001] The invention relates to the technical field of laser scribing, and in particular to a fully automatic laser scribing device. Background Art

[0002] Laser scribing technology uses laser processing to scribing the pole pieces of lithium batteries or sodium batteries, so that grooves appear on the surface of the pole pieces. The use of pole pieces with scribing can speed up the injection speed of lithium batteries, reduce the injection time, and save the cost of equipment. At the same time, the pole pieces of lithium batteries have good wettability, and the cycle and rate performance of lithium batteries are good.

[0003] The fully automatic laser scribing equipment in the prior art, when actually used, can easily cause dust to adhere to the outer wall of the pole piece after scribing the pole piece, thus affecting the performance of the battery after production, thereby affecting the subsequent use of the battery. The present invention proposes a fully automatic laser scribing equipment that can fully automate the processing and production of the pole piece. Summary of the invention

[0004] Based on the technical problem that in actual use, after the pole piece is engraved, dust is easily adhered to the outer wall of the pole piece, which affects the performance of the battery after production and thus affects the subsequent use of the battery, the present invention proposes a fully automatic laser engraving device.

[0005] The fully automatic laser scribing equipment proposed in the present invention comprises: an unwinding module, an unwinding tension module, a brush dust removal module, a laser scribing correction control module, a laser module, a process tension control module, an air knife dust removal, a CCD appearance detection module, a bad identification labeling module, a receiving tension control module, a rewinding module and a housing; The unwinding module is fixedly connected to the inner wall of the shell, and the unwinding module is composed of two unwinding mechanisms. The number of the brush dust removal modules is three, and 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 receiving tension control module are all fixedly connected to the inner wall of the shell. The number of the laser line correction control modules is two, and the two laser line correction control modules are both fixedly connected to the inner wall of the shell. The laser module is fixedly connected to the inner wall of the shell, and two galvanometer lenses and a negative pressure dust suction device are provided inside the laser module. The CCD appearance detection module and the bad identification labeling module are both fixedly connected to the inner wall of the shell, and the CCD appearance detection module is electrically connected to the bad identification labeling module. The winding module is fixedly connected to the inner wall of the shell, and the winding module is composed of two winding mechanisms.

[0006] By means of the above mechanism: through the cooperation of the two unwinding mechanisms of the unwinding module, two rolls of pole pieces can be put in at the same time, and it has an automatic roll changing function. When one roll is used up, the other roll can be automatically connected, which greatly improves the work efficiency. The brush dust removal module is in a closed mode except for the pole piece inlet and outlet. The brush dust removal module is used to facilitate dust removal on both sides of the pole piece, and the inside of the brush dust removal module has a negative pressure dust suction function to clean both sides of the pole piece. The inside of the laser module is provided with two galvanometer lenses, which are respectively arranged on both sides of the pole piece, and lines can be engraved on both sides of the pole piece at the same time, which improves the work efficiency. In addition to the pole piece inlet and outlet, the laser module The outside of the mouth and the rest of the parts are in closed mode, and a negative pressure dust suction device is installed inside. The CCD appearance inspection module is symmetrically equipped with inspection cameras, which can detect the quality of the engraved lines on both sides of the electrode. If there is a problem, a feedback signal will be given to the bad identification labeling module, and then a bad label will be affixed. After receiving the bad CCD detection signal, the bad identification labeling module uses the encoder to identify the specific position for labeling, and the bad identification labeling module is equipped with a bad label unwinding and winding structure. Through the cooperation of the two winding mechanisms of the winding module, when one of the rolls is full, it automatically switches to the other roll for winding, thereby improving the winding efficiency.

[0007] Preferably, the inner wall of the shell is fixedly connected with a wind knife dust collector, and the inside of the wind knife dust collector is equipped with a plurality of air blowing ports, and the inner wall of the wind knife dust collector is provided with a negative pressure dust suction device.

[0008] Furthermore, except for the pole piece inlet and outlet, the rest of the air knife dust collector is in a closed mode, and the air knife dust collector uses plasma wind to prevent dust from being electrostatically adsorbed in the device or on the pole piece.

[0009] Preferably, a magnetic rod iron removal module is fixedly connected to the inner wall of the shell, and the magnetic rod iron removal module includes two neodymium magnets.

[0010] Furthermore, through the cooperation of two neodymium magnets, the two sides of the pole piece are magnetically attracted to prevent residual metal debris from adhering to the outer wall of the pole piece.

[0011] Preferably, a winding and correcting module is fixedly connected to the inner wall of the shell, and the winding and correcting module is adapted to the winding module.

[0012] Furthermore, through the cooperation between the winding correction module and the winding module, it is convenient to correct the deviation of the pole piece, thereby facilitating the winding module to wind up the processed pole piece, which is convenient for subsequent processing.

[0013] The present invention is equipped with a laser module, which can perform line processing on the pole piece, and the module also contains a dust removal device to ensure dust control during the pole piece processing. This device has multiple and various dust removal methods, which can maximize the cleanliness of the pole piece and the performance of the subsequent battery, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a fully automatic laser scribing device proposed in the present invention.

[0015] In the figure: 1. Unwinding module; 2. Unwinding tension module; 3. Brush dust removal module; 4. Laser line correction control module; 5. Laser module; 6. Process tension control module; 7. Air knife dust removal; 8. Magnetic rod iron removal module; 9. CCD appearance inspection module; 10. Defective identification labeling module; 11. Receiving tension control module; 12. Rewinding correction module; 13. Rewinding module; 14. Housing. DETAILED DESCRIPTION

[0016] The present invention will be further explained below in conjunction with specific embodiments.

[0017] refer to Figure 1 In this embodiment, a fully automatic laser scribing device is proposed, including: an unwinding module 1, an unwinding tension module 2, a brush dust removal module 3, a laser scribing 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 identification labeling module 10, a receiving tension control module 11, a rewinding module 13 and a housing 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 brush dust removal modules 3 is three, and the three brush dust removal modules 3 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 number of laser line marking and correction control modules 4 is two, and the two laser line marking and correction control modules 4 are all 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 lenses and a negative pressure dust suction device inside. The CCD appearance detection module 9 and the bad mark labeling module 10 are fixedly connected to the inner wall of the shell 14, and the CCD appearance detection module 9 is electrically connected to the bad mark labeling module 10. 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.

[0018] By means of the above mechanism: through the cooperation of the two unwinding mechanisms of the unwinding module 1, two rolls of pole pieces can be put in at the same time, and it has an automatic roll changing function. When one roll is used up, the other roll can be automatically connected, which greatly improves the work efficiency. The brush dust removal module 3 is in a closed mode except for the pole piece inlet and outlet. The brush dust removal module 3 is used to facilitate dust removal on both sides of the pole piece, and the inside of the brush dust removal module 3 has a negative pressure dust suction function to clean both sides of the pole piece. The inside of the laser module 5 is provided with two galvanometer lenses, which are respectively arranged on both sides of the pole piece, and lines can be engraved on both sides of the pole piece at the same time, which improves the work efficiency. In addition to the pole piece inlet and outlet, the laser module 5 The rest of the parts are in closed mode, and a negative pressure dust suction device is provided inside. The CCD appearance inspection module 9 is symmetrically provided with inspection cameras, which can detect the quality of the engraved lines on both sides of the electrode. If there is a problem, a feedback signal will be given to the bad identification labeling module 10, and a bad label will be attached later. After receiving the bad CCD detection signal, the bad identification labeling module 10 identifies the specific position through the encoder for labeling, and the bad identification labeling module 10 is provided with a bad label unwinding and winding structure. Through the cooperation of the two winding mechanisms of the winding module 13, when one of the rolls is full, it automatically switches to the other roll for winding, thereby improving the winding efficiency.

[0019] In this embodiment, the inner wall of the outer shell 14 is fixedly connected to a wind knife dust collector 7, and the inside of the wind knife dust collector 7 is equipped with multiple air blowing ports. The inner wall of the wind knife dust collector 7 is provided with a negative pressure dust suction device. Except for the pole piece inlet and outlet, the rest of the wind knife dust collector 7 is in a closed mode, and the wind knife dust collector 7 uses plasma wind to prevent dust from being electrostatically adsorbed in the device or on the pole piece.

[0020] In this embodiment, the inner wall of the shell 14 is fixedly connected with a 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 residual metal debris from adhering to the outer wall of the pole piece.

[0021] In this embodiment, the inner wall of the shell 14 is fixedly connected with a winding and correcting module 12, and the winding and correcting module 12 is adapted to the winding module 13. Through the cooperation between the winding and correcting module 12 and the winding module 13, it is convenient to correct the deviation of the pole piece, thereby facilitating the winding module 13 to wind up the processed pole piece, thereby facilitating subsequent processing.

[0022] 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 brush dust removal module 3 removes dust from the surface of the pole piece to prevent dust from affecting the laser line marking process; 2. The pole piece passes through the laser line marking correction control module 4, and the position of the pole piece is corrected by the laser line marking correction control module 4, so that the pole piece accurately reaches the laser line marking process area; 3. The pole piece is engraved by the laser module 5, and there is a dust removal device inside to remove dust; 4. After processing, the pole piece is first dusted by the second brush dust removal module 3, and then passes through the air knife Dust removal 7, then dust removal by the third brush dust removal module 3, and finally by the magnetic rod iron removal module 8, to complete the surface cleaning work after the pole piece engraving process, and the process 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 inspected by the CCD appearance inspection module 9. If it is unqualified, a bad label is attached for identification; 6. Then the pole piece is wound up through the cooperation of the receiving tension control module 11, the winding correction module 12 and the winding module 13. At this point, the pole piece engraving process is completed and transferred to the next process. The above steps ensure that there is no dust after the pole piece is engraved, which will not affect the battery performance.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fully automatic laser scribing device, comprising: 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), receiving tension control module (11), winding module (13) and housing (14); The unwinding module (1) is fixedly connected to the inner wall of the housing (14), and the unwinding module (1) is composed of two unwinding mechanisms. The number of the brush dust removal modules (3) is three, and the three brush dust removal modules (3) are all fixedly connected to the inner wall of the housing (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 housing (14). The number of the laser line correction control modules (4) is two, and the two laser line correction control modules (4) are both fixedly connected. The laser module (5) is fixedly connected to the inner wall of the outer shell (14), and two galvanometer lenses and a negative pressure dust suction device are arranged inside the laser module (5). The CCD appearance detection module (9) and the bad identification labeling module (10) are both fixedly connected to the inner wall of the outer 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 outer shell (14), and the winding module (13) is composed of two winding mechanisms.

2. The fully automatic laser scribing equipment according to claim 1, characterized in that: The inner wall of the outer shell (14) is fixedly connected to a wind knife dust collector (7), and the wind knife dust collector (7) is provided with a plurality of air blowing ports, and the inner wall of the wind knife dust collector (7) is provided with a negative pressure dust suction device.

3. The fully automatic laser scribing equipment according to claim 1, characterized in that: A magnetic rod iron removal module (8) is fixedly connected to the inner wall of the housing (14), and the magnetic rod iron removal module (8) comprises two neodymium magnets.

4. The fully automatic laser scribing equipment according to claim 1, characterized in that: The inner wall of the outer shell (14) is fixedly connected to a winding and correcting module (12), and the winding and correcting module (12) is compatible with the winding module (13).

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