A lithium-ion battery external insulating film coating device

Abstract

The utility model relates to the technical field of lithium-ion battery processing, and in particular to a lithium-ion battery external insulating film coating device. The utility model provides a lithium-ion battery external insulating film coating device that can tighten the insulating film when the insulating film is coated on the lithium battery to prevent the insulating film from wrinkling and affecting the appearance of the lithium battery. A lithium-ion battery external insulating film coating device includes a workbench, a motor, and a film cylinder, etc. The motor is connected to the front side of the upper right part of the workbench, and a rotating shaft is provided on the motor output shaft. The rotating shaft is rotatably connected to the workbench, and a film cylinder is clamped on the rotating shaft. The utility model makes the slider slide downward, so that the first roller moves downward to contact the insulating film, so that the insulating film is tightened, thereby achieving the effect of being able to tighten the insulating film when the insulating film is coated on the lithium battery to prevent the insulating film from wrinkling and affecting the appearance of the lithium battery.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion battery processing, in particular to a lithium ion battery external insulating film coating device. Background Art

[0002] Lithium-ion batteries are rechargeable batteries that are widely used in consumer electronics, electric vehicles, energy storage systems and other fields due to their high energy density, long cycle life, high operating voltage and environmental protection characteristics. During the production process of lithium-ion batteries, a layer of insulating film is usually coated on the outside of the lithium-ion battery. This layer of film has multiple important functions to ensure the safety and performance stability of the battery.

[0003] The existing lithium-ion battery external insulating film coating is to coat the insulating film on the surface of the lithium-ion battery and then heat the insulating film so that the insulating film shrinks and is fixed on the lithium-ion battery. However, when the insulating film is coated on the lithium-ion battery, the insulating film may relax, resulting in wrinkles when coated on the lithium ions, affecting the appearance quality of the lithium-ion battery.

[0004] Therefore, a lithium-ion battery external insulating film coating device has been developed, which can tighten the insulating film when the insulating film is coated on the lithium battery to prevent the insulating film from wrinkling and affecting the appearance of the lithium battery. Utility Model Content

[0005] In order to overcome the disadvantage of existing lithium-ion battery external insulating film coating that the insulating film may be loose, resulting in wrinkles when coated on lithium ions, thereby affecting the appearance quality of the lithium-ion battery, the utility model provides a lithium-ion battery external insulating film coating device that can tighten the insulating film when the insulating film is coated on the lithium battery to avoid wrinkles on the insulating film that affect the appearance of the lithium battery.

[0006] Technical solution: A lithium-ion battery external insulating film coating device, including a workbench, a motor, a film cylinder, a transmission assembly, a rotating drum, a clamping frame, a first telescopic spring, a hot air blower and a downward pressure mechanism. The motor is connected to the front side of the upper right part of the workbench, and a rotating shaft is provided on the motor output shaft. The rotating shaft is rotatably connected to the workbench, and a film cylinder is clamped on the rotating shaft. The front and rear rotating drums are rotatably connected to the upper left part of the workbench, and a transmission assembly is connected between the front rotating drum and the rotating shaft. The rotating drums are slidably connected with clamping frames, and the first telescopic spring is connected between the clamping frame and the connected rotating drum. The upper left part of the workbench is connected to a hot air blower, and the workbench is provided with a downward pressure mechanism that can tighten the insulating film.

[0007] In addition, it is particularly preferred that the transmission assembly consists of a belt and a pulley, the motor output shaft is connected to a pulley, the front drum is also connected to a pulley, and a belt is wound around the pulleys.

[0008] In addition, it is particularly preferred that it also includes a support frame, an electric push rod and a cutter, the support frame is connected to the upper left side of the workbench, the electric push rod is connected to the upper part of the support frame, and the cutter is connected to the telescopic end of the electric push rod.

[0009] In addition, it is particularly preferred that the pressing mechanism includes a slide rail, a guide rod, a slider, a first roller and a second telescopic spring, the slide rail is connected to the upper rear side of the workbench, the guide rod is connected to the slide rail, the slider is slidably connected to the guide rod, the slider is slidably connected to the slide rail, the first roller is rotatably connected to the slider, and a second telescopic spring is connected between the slider and the slide rail.

[0010] In addition, it is particularly preferred that a clamping mechanism is also included, which includes a sliding frame, a second roller and a third telescopic spring. The sliding frame is slidably connected to the left part of the support frame, two front and rear third telescopic springs are connected between the sliding frame and the support frame, and the second roller is rotatably connected to the sliding frame.

[0011] Furthermore, it is particularly preferred that a cushion is provided on the second roller.

[0012] The beneficial effects of the utility model are as follows: 1. The utility model makes the slider slide downward, so that the first roller moves downward and contacts the insulating film, so that the insulating film is tightened, so that when the insulating film is coated on the lithium battery, the insulating film is tightened to avoid wrinkles on the insulating film that affect the appearance of the lithium battery.

[0013] 2. The utility model moves the sliding frame downward so that the second roller moves downward and contacts the insulating film. When the insulating film is wound and wrapped, the insulating film drives the second roller group to rotate and presses the insulating film tightly, thereby preventing the insulating film on the lithium battery from loosening and spreading, and improving the insulating film wrapping quality of the lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of a first cross-sectional three-dimensional structure of the laminating mechanism of the utility model.

[0016] Figure 3 It is a schematic diagram of a second partial cross-sectional three-dimensional structure of the laminating mechanism of the utility model.

[0017] Figure 4 It is a schematic diagram of the cross-section three-dimensional structure of the pressing mechanism of the utility model.

[0018] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the clamping mechanism of the utility model.

[0019] Among them, the above-mentioned drawings include the following drawing marks: 1: workbench, 2: motor, 3: film cylinder, 31: transmission assembly, 4: rotating drum, 5: clamping frame, 6: first telescopic spring, 7: hot air blower, 8: support frame, 9: electric push rod, 10: cutter, 11: pressing mechanism, 111: slide rail, 112: guide rod, 113: slider, 114: first roller, 115: second telescopic spring, 12: clamping mechanism, 121: sliding frame, 122: second roller, 123: third telescopic spring. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] A lithium-ion battery external insulating film coating device, such as Figure 1-Figure 3 As shown, it includes a workbench 1, a motor 2, a film cylinder 3, a transmission assembly 31, a rotating drum 4, a clamping frame 5, a first telescopic spring 6, a hot air blower 7, a support frame 8, an electric push rod 9, a cutter 10 and a pressing mechanism 11. The front side of the upper right part of the workbench 1 is connected to the motor 2, and a rotating shaft is provided on the output shaft of the motor 2. The rotating shaft is rotatably connected to the workbench 1, and the film cylinder 3 is clamped on the rotating shaft. The upper left part of the workbench 1 is rotatably connected to the front and rear rotating drums 4, and the transmission assembly 31 is connected between the front rotating drum 4 and the rotating shaft. The transmission assembly 3 1 is composed of a belt and a pulley, a pulley is connected to the output shaft of the motor 2, a pulley is also connected to the front drum 4, a belt is wound between the pulleys, a clamping frame 5 is slidably connected to the drum 4, a first telescopic spring 6 is connected between the clamping frame 5 and the connected drum 4, a hot air blower 7 is connected to the upper left side of the workbench 1, a support frame 8 is connected to the upper left side of the workbench 1, an electric push rod 9 is connected to the upper part of the support frame 8, a cutter 10 is connected to the telescopic end of the electric push rod 9, and a pressing mechanism 11 is provided on the workbench 1.

[0022] like Figure 1 and Figure 4 As shown, the pressing mechanism 11 includes a slide rail 111, a guide rod 112, a slider 113, a first roller 114 and a second telescopic spring 115. The slide rail 111 is connected to the upper rear side of the workbench 1, the guide rod 112 is connected to the slide rail 111, the slider 113 is slidably connected to the guide rod 112, the slider 113 is slidably connected to the slide rail 111, the first roller 114 is rotatably connected to the slider 113, and a second telescopic spring 115 is connected between the slider 113 and the slide rail 111.

[0023] When using the utility model, first place the workbench 1 on the insulating film coating area outside the lithium-ion battery, then clamp the film cylinder 3 with the insulating film wrapped on the rotating shaft, then move the clamping frames 5 away from each other, the first telescopic spring 6 is squeezed and contracted, the lithium-ion battery to be coated is placed between the clamping frames 5, and at the same time, the insulating film on the film cylinder 3 is pulled to contact the lithium-ion battery, and then the first telescopic spring 6 rebounds, driving the clamping frames 5 to move closer to each other, clamping and fixing the lithium-ion battery, and at the same time clamping both sides of the insulating film on the lithium-ion battery, then start the motor 2 to rotate the rotating shaft, so that the film cylinder 3 rotates, and the belt and pulley in the transmission assembly 31 are driven to rotate the rotating drum 4, so that the clamping frame 5 rotates, so that the film cylinder 3 and the lithium-ion battery rotate synchronously, so that the insulating film is wound on the surface of the lithium-ion battery, and when the insulating film is wound around After the rolling is completed, the electric push rod 9 on the support frame 8 is started, so that the telescopic end of the electric push rod 9 moves downward, and the cutter 10 moves downward to cut the insulating film. Then, the hot air blower 7 is started, so that the hot air blower 7 blows out hot air to heat the insulating film, so that the insulating film shrinks and solidifies on the surface of the lithium-ion battery. When the insulating film is clamped on the lithium-ion battery, the slider 113 is pulled to slide upward on the guide rod 112, so that the second telescopic spring 115 is squeezed and contracted. When the insulating film is wound on the lithium-ion battery, the second telescopic spring 115 rebounds, driving the slider 113 to slide downward, so that the first roller 114 moves downward to contact the insulating film, so that the insulating film is tightened, thereby playing the role of tightening the insulating film when the insulating film is coated on the lithium battery to avoid wrinkles in the insulating film that affect the appearance of the lithium battery.

[0024] like Figure 1 and Figure 5 As shown, it also includes a clamping mechanism 12, which includes a sliding frame 121, a second roller 122 and a third telescopic spring 123. The left part of the support frame 8 is slidably connected to the sliding frame 121, and two front and rear third telescopic springs 123 are connected between the sliding frame 121 and the support frame 8. The sliding frame 121 is rotatably connected to the second roller 122, and a soft pad is provided on the second roller 122 to avoid wear of the insulating film.

[0025] By using the clamping mechanism 12 of the device, the insulating film wound on the lithium-ion battery can be prevented from being loose. When the lithium-ion battery is clamped and fixed on the clamping frame 5, the sliding frame 121 is pulled to slide upward on the support frame 8, so that the second roller 122 moves upward, and the third telescopic spring 123 is squeezed and contracted. When the insulating film is wrapped on the lithium-ion battery, the third telescopic spring 123 rebounds and drives the sliding frame 121 to move downward, so that the second roller 122 moves downward and contacts the insulating film. When the insulating film is wound and wrapped, the insulating film drives the second roller 122 group to rotate, and compresses the insulating film, thereby preventing the insulating film on the lithium battery from being loose and spreading, and improving the insulating film wrapping quality of the lithium battery.

[0026] The above embodiments are provided for persons familiar with the art to implement or use the present invention. Personnel familiar with the art can make various modifications or changes to the above embodiments without departing from the utility model concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.

Claims

1. A lithium-ion battery external insulating film coating device, characterized in that: The invention comprises a workbench (1), a motor (2), a film cylinder (3), a transmission assembly (31), a rotating drum (4), a clamping frame (5), a first telescopic spring (6), a hot air blower (7) and a pressing mechanism (11). The front side of the upper right part of the workbench (1) is connected to the motor (2). A rotating shaft is arranged on the output shaft of the motor (2). The rotating shaft is rotatably connected to the workbench (1). The film cylinder (3) is clamped on the rotating shaft. The upper left part of the workbench (1) is rotatably connected to two front and rear rotating drums (4). A transmission assembly (31) is connected between the front rotating drum (4) and the rotating shaft. The rotating drums (4) are all slidably connected to the clamping frames (5). A first telescopic spring (6) is connected between the clamping frames (5) and the connected rotating drums (4). The upper left part of the workbench (1) is connected to the hot air blower (7). The workbench (1) is provided with a pressing mechanism (11) capable of tightening the insulating film.

2. A lithium-ion battery external insulating film coating device according to claim 1, characterized in that: The transmission assembly (31) is composed of a belt and a pulley. The output shaft of the motor (2) is connected with a pulley, and the front rotating drum (4) is also connected with a pulley. A belt is wound around the pulleys.

3. A lithium-ion battery external insulating film coating device according to claim 1, characterized in that: It also comprises a support frame (8), an electric push rod (9) and a cutter (10); the upper left side of the workbench (1) is connected to the support frame (8); the upper part of the support frame (8) is connected to the electric push rod (9); and the telescopic end of the electric push rod (9) is connected to the cutter (10).

4. A lithium-ion battery external insulating film coating device according to claim 1, characterized in that: The pressing mechanism (11) comprises a slide rail (111), a guide rod (112), a slider (113), a first roller (114) and a second telescopic spring (115); the slide rail (111) is connected to the upper rear side of the workbench (1); the slide rail (111) is connected to the guide rod (112); the slider (113) is slidably connected to the guide rod (112); the slider (113) is slidably connected to the slide rail (111); the first roller (114) is rotatably connected to the slider (113); and the second telescopic spring (115) is connected between the slider (113) and the slide rail (111).

5. A lithium-ion battery external insulating film coating device according to claim 4, characterized in that: The invention also comprises a clamping mechanism (12), the clamping mechanism (12) comprising a sliding frame (121), a second roller (122) and a third telescopic spring (123); the left part of the support frame (8) is slidably connected to the sliding frame (121); two third telescopic springs (123) are connected front and rear between the sliding frame (121) and the support frame (8); and the second roller (122) is rotatably connected to the sliding frame (121).

6. A lithium-ion battery external insulating film coating device according to claim 4, characterized in that: The second roller (122) is provided with a soft pad.

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