Multi-layer diaphragm coating machine

Abstract

The utility model discloses a multilayer diaphragm coater, including bottom plate and battery diaphragm, the top of bottom plate is fixedly connected with a first support plate, the first support plate is rotatingly connected with a first guide roller through a rotating shaft, the top of bottom plate is fixedly connected with a second support plate, and the second support plate is rotatingly connected with a second guide roller through a rotating shaft. A first guide roller is rotatably connected to the top of the bottom plate through a rotating shaft, a second guide roller is rotatably connected to the second supporting plate through a rotating shaft, supporting legs are fixedly connected to the top of the bottom plate, and a drying box is fixedly connected to the tops of the supporting legs. The first electromagnet block and the second electromagnet block can generate magnetic force to be fixed together after being electrified, then the double-shaft motor is controlled to rotate, the double-shaft motor drives the cleaning brush to rotate through the first electromagnet block and the second electromagnet block to clean the filter screen, and therefore dust and sundries attached to the filter screen can be automatically cleaned. And the filter screen cannot be blocked, so that the use is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of coating machines, in particular to a multi-layer diaphragm coating machine. Background Art

[0002] In the structure of the battery, the diaphragm is one of the key internal components. The performance of the diaphragm determines the interface structure and internal resistance of the battery, and directly affects the battery's capacity, cycle and safety performance. A diaphragm with excellent performance plays an important role in improving the overall performance of the battery. The surface of the battery diaphragm needs to be coated during processing.

[0003] According to CN 215612747 U, a multi-layer membrane coating machine is disclosed, comprising: a horizontally arranged winding mechanism, an unwinding mechanism, a first coating and baking device group, and at least one coating and baking device group stacked on the first coating and baking device group in sequence; the coating and baking device group comprises: an oven, a first coating device and a second coating device; the unwinding mechanism unwinds the membrane, which is coated on both sides by the first coating and baking device group and then fed to the next coating and baking device group for further double-sided coating, until the membrane is output by the last coating and baking device group and then wound up by the winding mechanism; wherein the first coating device coats the front side of the membrane and then conveys the membrane into the oven, the membrane is conducted by the lower guide roller of the oven, the membrane is output from the oven after drying the front coating layer, the transmission roller adjusts the height and tension and then enters the second coating device, the second coating device coats the back side of the membrane and then enters the oven again, the membrane is conducted by the upper guide roller of the oven, the membrane is output after drying the back coating layer and the transmission roller adjusts the height and tension and then the membrane is output.

[0004] However, there are some problems when using this equipment. When the coater coats the diaphragm, a drying mechanism is needed to dry the coated diaphragm. During the drying process, a filter is needed to filter out the dust and debris. The filter is prone to clogging after long-term use. However, the drying mechanism on this equipment cannot automatically clean the filter during use, which affects its use. Currently, no effective solution has been proposed for the problems in the relevant technology. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a multi-layer diaphragm coating machine to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A multi-layer membrane coating machine, comprising a bottom plate and a battery membrane, wherein a first support plate is fixedly connected to the top of the bottom plate, a first guide roller is rotatably connected to the first support plate via a rotating shaft, a second support plate is fixedly connected to the top of the bottom plate, a second guide roller is rotatably connected to the second support plate via a rotating shaft, a support leg is fixedly connected to the top of the bottom plate, and a drying box is fixedly connected to the top of the support leg;

[0008] The outside of the drying box is fixedly connected to a bellows, a connecting pipe is provided on the left side of the bellows, an electric heating net is fixedly connected to the inside of the bellows, a support rod is fixedly connected to the inside of the bellows, a double-axis motor is provided on the outside of the support rod, and a filter net is fixedly connected to the inside of the bellows.

[0009] As a further solution of the utility model, a third support plate is fixedly connected to the top of the bottom plate, and a coating roller is rotatably connected to the third support plate via a rotating shaft.

[0010] As a further solution of the utility model, the connecting pipe passes through the bellows, the connecting pipe is fixedly connected to the bellows, the other end of the connecting pipe is connected to an air inlet pipe, the air inlet pipe passes through the drying box, and the air inlet pipe is fixedly connected to the drying box.

[0011] As a further solution of the utility model, an electric control valve is provided on the top of the bellows, the electric control valve passes through the bellows, and the electric control valve is fixedly connected to the bellows.

[0012] As a further solution of the utility model, the main shaft on the right side of the dual-axis motor passes through the support rod, the main shaft end on the right side of the dual-axis motor is fixedly connected to the first electromagnet block, a second electromagnet block is provided on the right side of the first electromagnet block, and a cleaning brush is fixedly connected to the outside of the second electromagnet block.

[0013] As a further solution of the utility model, the cleaning brush passes through the support rod, the cleaning brush is rotatably connected to the support rod, the cleaning brush passes through the filter net, and the cleaning brush is rotatably connected to the filter net.

[0014] As a further solution of the present invention, the dual-axis motor is fixedly connected to the support rod, and a fan blade is fixedly connected to the end of the left main shaft of the dual-axis motor.

[0015] The beneficial effects of the utility model are:

[0016] 1. Through the dual-axis motor, the first electromagnet block, the second electromagnet block and the cleaning brush, when the filter is blocked and affects the use during use, the first electromagnet block and the second electromagnet block are energized. After the first electromagnet block and the second electromagnet block are energized, magnetic force will be generated to fix them together, and then the dual-axis motor is controlled to rotate. The dual-axis motor drives the cleaning brush to rotate through the first electromagnet block and the second electromagnet block to clean the filter, so that the dust and debris attached to the filter can be automatically cleaned, and the filter will not be blocked, which will not affect the use;

[0017] 2. Through the electric control valve, dual-axis motor and fan blades, when cleaning the filter during use, the electric control valve is controlled to open, and then the dual-axis motor is controlled to rotate in the opposite direction. The dual-axis motor drives the fan blades to rotate in the opposite direction to back-blow the filter, which can blow away the dust and debris attached to the filter without affecting the normal use of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of a multi-layer diaphragm coating machine according to an embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the installation structure of an electric heating network of a multi-layer diaphragm coating machine according to an embodiment of the utility model;

[0021] Figure 3 A multi-layer membrane coating machine according to an embodiment of the utility model Figure 1 A schematic diagram of the structure at A;

[0022] Figure 4 A multi-layer membrane coating machine according to an embodiment of the utility model Figure 2 Schematic diagram of the structure at point B.

[0023] In the figure: 1. bottom plate; 2. first support plate; 3. first guide roller; 4. second support plate; 5. second guide roller; 6. third support plate; 7. coating roller; 8. battery separator; 9. support leg; 10. drying box; 11. bellows; 12. connecting pipe; 13. air inlet pipe; 14. electric control valve; 15. electric heating net; 16. support rod; 17. dual-axis motor; 18. fan blades; 19. filter net; 20. first electromagnet block; 21. second electromagnet block; 22. cleaning brush. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a multi-layer diaphragm coating machine is provided.

[0026] Please refer to the instruction manual Figure 1-4 According to a multi-layer membrane coating machine of an embodiment of the utility model, it includes a bottom plate 1 and a battery separator 8. A first support plate 2 is fixedly connected to the top of the bottom plate 1, and a first guide roller 3 is rotatably connected to the first support plate 2 through a rotating shaft. A second support plate 4 is fixedly connected to the top of the bottom plate 1, and a second guide roller 5 is rotatably connected to the second support plate 4 through a rotating shaft. A support leg 9 is fixedly connected to the top of the bottom plate 1, and a drying box 10 is fixedly connected to the top of the support leg 9. A bellows 11 is fixedly connected to the outside of the drying box 10, a connecting pipe 12 is provided on the left side of the bellows 11, and an electric heating net 15 is fixedly connected to the inside of the bellows 11. This arrangement can heat the traction gas, a support rod 16 is fixedly connected to the inside of the bellows 11, a dual-axis motor 17 is provided on the outside of the support rod 16, and a filter net 19 is fixedly connected to the inside of the bellows 11.

[0027] In one embodiment, please refer to the attached specification Figure 1 As a further solution of the utility model, a third support plate 6 is fixedly connected to the top of the bottom plate 1, and a coating roller 7 is rotatably connected to the third support plate 6 via a rotating shaft. This arrangement can coat the battery separator 8.

[0028] In one embodiment, please refer to the attached specification Figure 2 and 3 As a further solution of the utility model, the connecting pipe 12 passes through the bellows 11, the connecting pipe 12 is fixedly connected to the bellows 11, the other end of the connecting pipe 12 is connected to the air inlet pipe 13, the air inlet pipe 13 passes through the drying box 10, and the air inlet pipe 13 is fixedly connected to the drying box 10. This arrangement allows the heated gas to enter the drying box 10 to dry the battery diaphragm 8.

[0029] In one embodiment, please refer to the attached specification Figure 2 and 3 As a further solution of the utility model, an electric control valve 14 is provided on the top of the bellows 11. The electric control valve 14 runs through the bellows 11 and is fixedly connected to the bellows 11. This arrangement facilitates the fan blades 15 to rotate in the opposite direction to pull the gas for backblowing.

[0030] In one embodiment, please refer to the attached specification Figure 2 and 4 As a further solution of the utility model, the main shaft on the right side of the dual-axis motor 17 passes through the support rod 16, and the main shaft end on the right side of the dual-axis motor 17 is fixedly connected with a first electromagnet block 20. A second electromagnet block 21 is provided on the right side of the first electromagnet block 20. A cleaning brush 22 is fixedly connected to the outer side of the second electromagnet block 21. The cleaning brush 22 passes through the support rod 16, and the cleaning brush 22 is rotatably connected to the support rod 16. The cleaning brush 22 passes through the filter 19, and the cleaning brush 22 is rotatably connected to the filter 19. This arrangement can automatically clean the filter 19.

[0031] In one embodiment, please refer to the attached specification Figure 2 As a further solution of the utility model, the dual-axis motor 17 is fixedly connected to the support rod 16, and the left main shaft end of the dual-axis motor 17 is fixedly connected with a fan blade 18. This arrangement can back-blow the filter screen 19.

[0032] When in use, all electrical appliances in the device are powered by external power. During use, the battery diaphragm 8 passes through the first guide roller 3 and then the coating roller 7. The two coating rollers 7 arranged up and down can coat the upper and lower surfaces of the battery diaphragm 8. The coated battery diaphragm 8 enters the drying box 10 for drying. The dried battery diaphragm 8 passes through the second guide roller 5 and is fixed on the winding mechanism. The coated battery diaphragm is wound up. During drying, the electric heating net 15 is energized to control the rotation of the dual-axis motor 17. The rotation of the dual-axis motor 17 drives the fan blades 18 to rotate. The fan blades 18 pull the gas through the filter net 19 to filter dust and debris, and then pass through the electric heating net 15 to heat it into hot air, and then enter the drying box 10 through the connecting pipe 12 and the air inlet pipe 13 to dry the battery diaphragm 8. During use, when the filter 19 is blocked and affects its use, the first electromagnet block 20 and the second electromagnet block 21 are energized. After the first electromagnet block 20 and the second electromagnet block 21 are energized, magnetic force will be generated to fix them together, and then the dual-axis motor 17 is controlled to rotate. The dual-axis motor 17 drives the cleaning brush 22 to rotate through the first electromagnet block 20 and the second electromagnet block 21 to clean the filter 19, thereby automatically cleaning the dust and debris attached to the filter 19. The filter 19 will not be blocked and will not affect its use. At the same time, the electric control valve 14 is opened, and then the dual-axis motor 17 is controlled to rotate in the opposite direction. The dual-axis motor 17 drives the fan blades 18 to rotate in the opposite direction to back-blow the filter 19, which can blow away the dust and debris attached to the filter 19 and will not affect the normal use of the filter 19.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-layer membrane coating machine, comprising a base plate (1) and a battery membrane (8), characterized in that: The top of the bottom plate (1) is fixedly connected to a first support plate (2), the first support plate (2) is rotatably connected to a first guide roller (3) via a rotating shaft, the top of the bottom plate (1) is fixedly connected to a second support plate (4), the second support plate (4) is rotatably connected to a second guide roller (5) via a rotating shaft, the top of the bottom plate (1) is fixedly connected to a support leg (9), and the top of the support leg (9) is fixedly connected to a drying box (10); The drying box (10) is fixedly connected to a bellows (11) on the outside, a connecting pipe (12) is provided on the left side of the bellows (11), an electric heating net (15) is fixedly connected to the inside of the bellows (11), a support rod (16) is fixedly connected to the inside of the bellows (11), a double-axis motor (17) is provided on the outside of the support rod (16), and a filter net (19) is fixedly connected to the inside of the bellows (11).

2. A multi-layer membrane coating machine according to claim 1, characterized in that: A third support plate (6) is fixedly connected to the top of the bottom plate (1), and a coating roller (7) is rotatably connected to the third support plate (6) via a rotating shaft.

3. A multi-layer membrane coating machine according to claim 1, characterized in that: The connecting pipe (12) passes through the wind box (11), and the connecting pipe (12) is fixedly connected to the wind box (11); the other end of the connecting pipe (12) is connected to an air inlet pipe (13), and the air inlet pipe (13) passes through the drying box (10), and the air inlet pipe (13) is fixedly connected to the drying box (10).

4. A multi-layer membrane coating machine according to claim 1, characterized in that: An electric control valve (14) is provided on the top of the bellows (11); the electric control valve (14) penetrates the bellows (11); and the electric control valve (14) is fixedly connected to the bellows (11).

5. A multi-layer membrane coating machine according to claim 1, characterized in that: The main shaft on the right side of the dual-axis motor (17) passes through the support rod (16); the end of the main shaft on the right side of the dual-axis motor (17) is fixedly connected to a first electromagnet block (20); a second electromagnet block (21) is provided on the right side of the first electromagnet block (20); and a cleaning brush (22) is fixedly connected to the outside of the second electromagnet block (21).

6. A multi-layer membrane coating machine according to claim 5, characterized in that: The cleaning brush (22) passes through the support rod (16), and the cleaning brush (22) is rotatably connected to the support rod (16); the cleaning brush (22) passes through the filter screen (19), and the cleaning brush (22) is rotatably connected to the filter screen (19).

7. A multi-layer membrane coating machine according to claim 1, characterized in that: The dual-axis motor (17) is fixedly connected to the support rod (16), and a fan blade (18) is fixedly connected to the end of the left main shaft of the dual-axis motor (17).

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