A film wrapping device for a square aluminum shell film wrapping machine

By introducing a correction platform and membrane detection module into the battery cell envelope machine, the precise positioning and correction of the square film is achieved, and the problems of the existing envelope machine's envelope deviation and high equipment cost are solved, and the envelope quality and battery performance are improved.

CN113725472BActive Publication Date: 2025-04-15SHENZHEN ZHONGJI AUTOMATION CO LTD
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Patent Information

Application Number
CN202111102373.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-09-19
Publication Date
2025-04-15
Estimated Expiration
2041-09-19

AI Technical Summary

Technical Problem

During the coating process, the existing battery-core envelope machines have not been positioned, resulting in a shell deviation, affecting the performance of the diaphragm, and the equipment structure is complex and the cost is high.

Method used

A wrapping device of a square aluminum shell wrapping machine is designed, including a main bracket, a correction platform, a conveying wrapping module and a feeding robot. The film material detection module is used to detect the orientation of the square film, and the diaphragm is corrected in the horizontal, longitudinal and angle through the correction platform. Finally, the corrected diaphragm is wrapped on the battery cell through the conveying wrapping module.

Benefits of technology

The square film is accurately positioned and corrected by the calibration platform, which improves the quality and accuracy of the envelope, ensures the battery performance and reduces equipment costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of battery production, and in particular to a film coating device of a square aluminum shell film coating machine, which includes a main support, a correction platform for correcting the orientation of the square film, a conveying film coating module for wrapping the square film after the orientation correction on the battery cell, and a feeding manipulator for conveying the square film to the correction platform; a film material detection module for detecting the orientation of the square film is fixed on the conveying film coating module. When the present invention is used, the structure corrects the square film through the correction platform before coating, thereby improving the quality of the coating and ensuring the performance of the battery.
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Description

Technical Field

[0001] The invention relates to the technical field of battery production, and in particular to a film coating device of a square aluminum shell film coating machine. Background Art

[0002] The demand for new energy power batteries is increasing, and their production and manufacturing process has a great impact on the quality of the battery. Among them, the production of battery cells is particularly important. Battery cells are generally approximately square blocks, usually including two pairs of parallel sides and a bottom surface. During the production process of battery cells, in order to protect the insulation between the battery cells and the aluminum shell, a layer of insulating sheet is required on the surface of the battery cells. The wrapping quality has a very important impact on the performance and safety of the battery cells. Therefore, wrapping the insulating film is a key process in the production and manufacturing process of battery cells.

[0003] In the existing battery cell coating machine, the square film A is directly loaded and wrapped on the battery cell by a robot. In this loading method, the square film A is not positioned, so deviations will occur during coating, affecting the performance of the film. In addition, the structure of the coating is complex and the equipment cost is high. Summary of the invention

[0004] The object of the present invention is to provide a film coating device for a square aluminum shell film coating machine in view of the defects and shortcomings of the prior art.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] The film coating device of a square aluminum shell coating machine described in the present invention includes a main bracket, a correction platform for correcting the orientation of the square film, a conveying and coating module for wrapping the square film after the correction on the battery cell, and a feeding robot for conveying the square film to the correction platform; a film material detection module for detecting the orientation of the square film is fixed on the conveying and coating module.

[0007] Furthermore, the correction platform includes a bottom bracket, a rotating component, a rotating plate and a diaphragm support plate fixed on the rotating plate; one end of the rotating component is fixed on the bottom bracket; the other end of the rotating component is fixed on the rotating plate; notches are provided on both sides of the diaphragm support plate; a longitudinal clamping cylinder is provided in the notch; the longitudinal clamping cylinder is fixed to the diaphragm support plate through a cylinder bracket; longitudinal blocks are fixed on both clamping toes of the longitudinal clamping cylinder; a transverse clamping cylinder is fixed on the diaphragm support plate; baffle connecting blocks are fixed on both clamping toes of the transverse clamping cylinder; transverse baffles are fixed on the baffle connecting blocks; and two transverse baffles are respectively inserted into the notch.

[0008] Furthermore, the feeding robot includes a first linear module fixed on a main bracket; a film suction lifting module is fixed on a slider of the first linear module; a film suction lifting frame is fixed on a slider of the film suction lifting module; and a suction cup assembly is fixed on the film suction lifting frame.

[0009] Further, the film conveying module includes a film assembly and a second linear module; a film sliding frame is fixed on the slider of the second linear module; a film lifting module is fixed on the film sliding frame; a film lifting frame is fixed on the slider of the film lifting module; the film assembly is fixed on the film lifting frame;

[0010] The film coating assembly is composed of two flipping and clamping assemblies; the flipping and clamping assembly is composed of a rotary clamping cylinder, a flipping plate, a connecting plate and a film coating servo motor; one side of the flipping plate is rotatably connected to the connecting plate; the other side of the flipping plate is fixedly connected to the output end of the film coating servo motor; the outer shell and the connecting plate of the film coating servo motor are both fixed on the film coating lifting frame; and a rotary clamping cylinder is fixed on the top corners of the flipping plate.

[0011] Furthermore, the film material detection module is a CCD camera.

[0012] After adopting the above structure, the beneficial effects of the present invention are as follows: the film coating device of the square aluminum shell film coating machine described in the present invention includes a main bracket, a correction platform for correcting the orientation of the square film, a conveying and coating module for wrapping the square film after the orientation correction on the battery cell, and a feeding robot for conveying the square film to the correction platform; a film material detection module for detecting the orientation of the square film is fixed on the conveying and coating module. When using the present invention, the square film is grabbed by the feeding robot and conveyed to the correction platform, and the film material detection module detects the orientation of the square film on the correction platform; the horizontal direction, longitudinal direction and angle of the square film are corrected by the correction platform; the corrected square film is taken out by the conveying and coating module and then wrapped on the battery cell; the structure corrects the square film by the correction platform before coating, which improves the quality of the coating and ensures the performance of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of a square membrane;

[0014] Figure 2 It is a schematic diagram of the structure of the present invention;

[0015] Figure 3 is a schematic diagram of the structure of the membrane assembly;

[0016] Figure 4 It is a structural schematic diagram of the correction platform;

[0017] Figure 5This is a schematic diagram of the structure of the correction platform after the bottom bracket and diaphragm support are removed;

[0018] Description of reference numerals:

[0019] 1. Film coating assembly; 101. Rotary clamping cylinder; 102. Turning plate; 103. Connecting plate;

[0020] 104. Film encapsulation servo motor; 2. Film material detection module; 3. First linear module;

[0021] 4. Calibration platform; 401. Bottom bracket; 402. Rotating assembly; 403. Diaphragm support plate;

[0022] 404, horizontal clamping claw cylinder; 405, longitudinal clamping claw cylinder; 406, rotating plate; 407, cylinder bracket;

[0023] 408, baffle connecting block; 409, longitudinal baffle; 4010, transverse baffle;

[0024] 5. Film suction lifting frame; 6. Suction cup assembly; 7. Film suction lifting module; 8. Second linear module;

[0025] 9. Film coating lifting frame; 10. Film coating lifting module; 11. Film coating sliding frame; 12. Main support;

[0026] A, square membrane; A1, square notch. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] like Figures 1 to 5 As shown, the film coating device of a square aluminum shell coating machine described in the present invention includes a main bracket 12, a correction platform 4 for correcting the orientation of a square film A, a conveying and coating module for wrapping the square film A after the orientation correction on a battery cell, and a feeding robot for conveying the square film A to the correction platform 4; a film material detection module 2 for detecting the orientation of the square film A is fixed on the conveying and coating module; the square film A is grasped by the feeding robot and conveyed to the correction platform 4, and the film material detection module 2 detects the orientation of the square film A on the correction platform 4; the transverse direction, longitudinal direction and angle of the square film A are corrected by the correction platform 4; the corrected square film A is taken out by the conveying and coating module and then wrapped on the battery cell; the structure corrects the square film A by the correction platform 4 and then coats it, thereby improving the coating quality and ensuring the performance of the battery.

[0029] As a preferred embodiment of the present invention, the calibration platform 4 includes a bottom bracket 401, a rotating assembly 402, a rotating plate 406, and a diaphragm support plate 403 fixed on the rotating plate 406; one end of the rotating assembly 402 is fixed on the bottom bracket 401; the other end of the rotating assembly 402 is fixed on the rotating plate 406, and the rotating assembly 402 is any one of a servo motor and a rotating cylinder; the left and right sides of the diaphragm support plate 403 are both provided with notches; and the notches are provided with There is a longitudinal clamping cylinder 405; the longitudinal clamping cylinder 405 is fixed to the diaphragm support plate 403 through a cylinder bracket 407; the two clamping toes of the longitudinal clamping cylinder 405 are fixed with longitudinal blocks 409; the diaphragm support plate 403 is fixed with a transverse clamping cylinder 404; the two clamping toes of the transverse clamping cylinder 404 are fixed with baffle connecting blocks 408; the baffle connecting blocks 408 are fixed with transverse baffles 4010; the two transverse baffles 4010 are respectively Inserted into the gap; square gaps A1 are set on both sides of the square film A. After the square film A is transported to the surface of the membrane support plate 403 by the feeding robot, the film material detection module 2 passes the detection and is fed back to the control console, and the rotating component 402 adjusts the angle of the square film A; the horizontal baffles 4010 on both sides are respectively extended into the square gap A1, and through the action of the horizontal clamping claw cylinder 404, the two horizontal baffles 4010 respectively press the inner bottom wall of the square gap A1 to achieve the horizontal positioning of the square film A; the two longitudinal blocks 409 on the first longitudinal clamping claw cylinder 405 are inserted into the square gap A1 on one side, and the two longitudinal blocks 409 on the second longitudinal clamping claw cylinder 405 are inserted into the square gap A1 on the other side; the longitudinal clamping claw cylinder 405 starts the two longitudinal blocks 409 connected to the longitudinal clamping claw cylinder 405 to move away from each other, and respectively press the left and right side walls on the same square gap A1 to achieve the horizontal positioning of the square film A.

[0030] As a preferred embodiment of the present invention, the feeding manipulator includes a first linear module 3 fixed on the main support 12; a film suction lifting module 7 is fixed on the slider of the first linear module 3; a film suction lifting frame 5 is fixed on the slider of the film suction lifting module 7; and a suction cup assembly 6 is fixed on the film suction lifting frame 5. The first linear module 3 and the film suction lifting module 7 are essentially the same as those in the prior art, so they are not described in detail; the film suction lifting module 7 can drive the suction cup assembly 6 on the film suction lifting frame 5 to perform lifting and lowering movements, and the suction cup assembly 6 can suck up the square film A; the first linear module 3 drives the suction cup assembly 6 to perform lateral movement.

[0031] As a preferred embodiment of the present invention, the film conveying module includes a film coating component 1 and a second linear module 8; a film coating sliding frame 11 is fixed on the slider of the second linear module 8; a film coating lifting module 10 is fixed on the film coating sliding frame 11; a film coating lifting frame 9 is fixed on the slider of the film coating lifting module 10; the film coating component 1 is fixed on the film coating lifting frame 9; the second linear module 8 and the film coating lifting module 10 are essentially the same as those of the prior art, so they are not described in detail;

[0032] The film coating assembly 1 is composed of two flip clamping assemblies; the flip clamping assembly is composed of a rotary clamping cylinder 101, a flip plate 102, a connecting plate 103 and a film coating servo motor 104; one side of the flip plate 102 is rotatably connected to the connecting plate 103; the other side of the flip plate 102 is fixedly connected to the output end of the film coating servo motor 104; the housing of the film coating servo motor 104 and the connecting plate 103 are both fixed on the film coating lifting frame 9; the top corners of the flip plate 102 are fixed with a rotary clamping cylinder 101; the rotary clamping cylinder 101 has no essential difference from the prior art, so it is not described in detail; the second linear module 8 and the film coating lifting module 10 cooperate to move so that the film coating assembly 1 is placed above the correction platform 4, and after the rotating clamping cylinder 101 clamps and fixes the square film A, the second linear module 8 and the film coating lifting module 10 cooperate to move again to transport the square film A to the battery cell fixed with a fixture, and the middle part of the square film A is pressed tightly against the top surface of the battery cell, and the two film coating servo motors 104 are started to flip the flip plate 102, folding the two sides of the square film A onto the two sides of the battery cell.

[0033] As a preferred embodiment of the present invention, the film material detection module 2 is a CCD camera.

[0034] When the present invention is used, the suction cup assembly can suck up the square film; the first linear module drives the suction cup assembly to move horizontally and transport it to the correction platform, and the film material detection module detects the position of the square film on the correction platform;

[0035] The horizontal baffles on both sides extend into the square notch respectively, and through the action of the horizontal clamping claw cylinder, the two horizontal baffles respectively press the inner bottom wall of the square notch to realize the horizontal positioning of the square film; the two longitudinal blocks on the first longitudinal clamping claw cylinder are inserted into the square notch on one side, and the two longitudinal blocks on the second longitudinal clamping claw cylinder are inserted into the square notch on the other side; the longitudinal clamping claw cylinder is started, and the two longitudinal blocks connected to the longitudinal clamping claw cylinder are moved away from each other, and respectively press the left and right side walls of the same square notch to realize the horizontal direction, vertical direction and angle of the square film. Correction; the film coating assembly is placed above the correction platform through the coordinated movement of the second linear module and the film coating lifting module, and after the corrected square film is clamped and fixed by the rotating clamping cylinder, the second linear module and the film coating lifting module cooperate to move again to transport the square film to the battery cell fixed with a fixture, and the middle of the square film is pressed tightly against the top surface of the battery cell. The two film coating servo motors are started to flip the flip plate and fold the two sides of the square film on the two sides of the battery cell; this structure corrects the square film through the correction platform and then coats it, thereby improving the quality of the film coating and ensuring the performance of the battery.

[0036] The above description is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, characteristics and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A film coating device for a square aluminum shell film coating machine, characterized in that: It comprises a main support (12), a calibration platform (4) for calibrating the orientation of a square film (A), a conveying and coating module for coating the square film (A) after the orientation calibration on a battery cell, and a feeding robot for conveying the square film (A) to the calibration platform (4); a film material detection module (2) for detecting the orientation of the square film (A) is fixed on the conveying and coating module; The correction platform (4) comprises a bottom bracket (401), a rotating assembly (402), a rotating plate (406), and a diaphragm support plate (403) fixed on the rotating plate (406); one end of the rotating assembly (402) is fixed on the bottom bracket (401); the other end of the rotating assembly (402) is fixed on the rotating plate (406); notches are provided on both sides of the diaphragm support plate (403); a longitudinal clamping claw cylinder (405) is provided in the notch; the longitudinal clamping claw cylinder (405) is fixed on the diaphragm support plate (403) via a cylinder bracket (407); longitudinal stoppers (409) are fixed on both clamping toes of the longitudinal clamping claw cylinder (405); the diaphragm support plate (403) is provided with a plurality of longitudinal stoppers (409); and the diaphragm support plate (403) is provided with a plurality of longitudinal stoppers (409). 03) is fixed with a transverse clamping cylinder (404); baffle connecting blocks (408) are fixed on both clamping toes of the transverse clamping cylinder (404); transverse baffles (4010) are fixed on the baffle connecting blocks (408); the two transverse baffles (4010) are respectively inserted into the notches; the film conveying module includes a film assembly (1) and a second linear module (8); a film sliding frame (11) is fixed on the slider of the second linear module (8); a film lifting module (10) is fixed on the film sliding frame (11); a film lifting frame (9) is fixed on the slider of the film lifting module (10); the film assembly (1) is fixed on the film lifting frame (9); The film coating assembly (1) is composed of two flip clamping assemblies; the flip clamping assembly is composed of a rotary clamping cylinder (101), a flip plate (102), a connecting plate (103) and a film coating servo motor (104); one side of the flip plate (102) is rotatably connected to the connecting plate (103); the other side of the flip plate (102) is fixedly connected to the output end of the film coating servo motor (104); the housing and the connecting plate (103) of the film coating servo motor (104) are both fixed on the film coating lifting frame (9); and the rotary clamping cylinder (101) is fixed on the top corner of the flip plate (102).

2. The film coating device of the square aluminum shell film coating machine according to claim 1 is characterized in that: The feeding robot comprises a first linear module (3) fixed on a main support (12); a film suction lifting module (7) is fixed on a slider of the first linear module (3); a film suction lifting frame (5) is fixed on a slider of the film suction lifting module (7); and a suction cup assembly (6) is fixed on the film suction lifting frame (5).

3. The film coating device of the square aluminum shell film coating machine according to claim 1 is characterized in that: The film material detection module (2) is a CCD camera.

Citation Information

Patent Citations

  • Film coating device of square aluminum shell film coating machine

    CN216354340U