Hot melt adhesive uniform coating device for lithium battery processing

By designing a uniform coating device for hot melt adhesive for lithium batteries, the problem of decreasing fluidity and uneven distribution when the lithium battery is coated with hot melt adhesive is solved, and the uniform distribution of hot melt adhesive and the quality of lithium batteries is achieved. Improvement.

CN222428433UActive Publication Date: 2025-02-07LIANYUNGANG TECHN COLLEGE
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Patent Information

Application Number
CN202420986950.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-02-07
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

In the prior art, when lithium batteries are coated with hot melt adhesive, the temperature of the hot melt adhesive decreases and the fluidity decreases, resulting in uneven filling. After cooling, some areas are missing hot melt adhesive, affecting the quality of the battery.

Method used

A uniform coating device for lithium battery processing hot melt adhesive is designed, including a first feeding pump, a transfer heating tank, a second feeding pump and a spray head. It is combined with a motor, a screw and an electric push rod to realize hot melt adhesive. layered filling and uniform distribution.

Benefits of technology

By filling the hot melt adhesive layer by layer, the hot melt adhesive is ensured to be evenly distributed inside the lithium battery, which improves the fixing and insulation effect of the hot melt adhesive and improves the overall quality of the lithium battery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hot melt adhesive uniform coating device for lithium battery processing, and relates to the technical field of lithium battery processing, the hot melt adhesive uniform coating device comprises a machine body and a mounting rack, the bottom of the mounting rack is connected with a connecting frame, and a rotating roller is rotatably connected between the inner surface walls of the front side and the rear side of the connecting frame. According to the hot melt adhesive spraying device, when the spraying head moves to the right side of the limiting base, the second material pushing cutter faces downwards, the inclined face of the cutter edge of the second material pushing cutter is located on the left side, hot melt adhesive can be scraped to be flat when the spraying head moves leftwards along with the installation frame, and when the spraying head moves to the left side of the limiting base, the air cylinder, the rack, the gear and the rotating roller are matched to achieve the effect of adjusting the first material pushing cutter to the lower portion. The inclined surface of the knife edge of the first material pushing knife is on the right side, the hot melt adhesive can be scraped flat when the first material pushing knife moves rightwards along with the mounting frame, the hot melt adhesive can be uniformly distributed in the lithium battery in a manner of layered filling of the hot melt adhesive, the use effect of the hot melt adhesive is ensured, and the overall quality of the lithium battery is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery processing, in particular to a hot melt adhesive uniform coating device for lithium battery processing. Background Art

[0002] When processing lithium batteries, by filling the battery box with hot melt adhesive, the components inside the battery can be firmly fixed together to prevent loosening and displacement, and it also has a certain insulation effect to prevent short circuits and other problems. Therefore, when processing lithium batteries, applying hot melt adhesive is one of the important procedures.

[0003] In the prior art, such as Chinese patent publication No. CN219836695U, a lithium battery coating device is disclosed, including a storage box, a connecting frame is arranged on the top of the storage box, a stepper motor is arranged on one side of the connecting frame, the output shaft of the stepper motor passes through one side of the connecting frame and is fixedly installed with a screw, one side of the screw is rotatably connected to one side of the inner wall of the connecting frame, the outer wall of the screw is threadedly connected to a moving rod, a plurality of support rods are arranged on both sides of the top of the moving rod, and a spraying mechanism is arranged on the top of the plurality of support rods. The utility model has the following beneficial effects: the screw drives the moving rod to move through the external thread, and the movement of the moving rod will drive the spray head to move. The user turns on the pump body through the pump body switch, so that the pump body draws out the paint in the storage box, and uses the conveying pipe to send it to the feeding head and then uses the spray head to spray the paint, thereby realizing the purpose of mobile spraying. When the spray head moves to spray, the pressure roller will compact the sprayed material, thereby realizing automatic spraying of the material and improving work efficiency.

[0004] In the prior art, when hot melt adhesive is applied and filled on lithium batteries, as the temperature of the hot melt adhesive decreases, its fluidity will gradually decrease, and the hot melt adhesive will be unevenly distributed inside the lithium battery box. After cooling, some areas inside the battery box will lack hot melt adhesive, resulting in a significant decrease in the effects of hot melt adhesive fixation and insulation, thereby affecting the overall quality of the lithium battery. Therefore, to solve the above problems, we propose a new type of hot melt adhesive uniform coating device for lithium battery processing. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that when hot melt adhesive is coated and filled on lithium batteries, as the temperature of the hot melt adhesive decreases, its fluidity will gradually decrease, and the hot melt adhesive will be unevenly distributed inside the lithium battery box. After cooling, some areas inside the battery box will lack hot melt adhesive, resulting in a significant decrease in the fixing and insulating effects of the hot melt adhesive, thereby affecting the overall quality of the lithium battery. A device for uniformly coating hot melt adhesive for lithium battery processing is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hot melt adhesive uniform coating device for lithium battery processing, comprising a body and a mounting frame, a connecting frame is connected to the bottom of the mounting frame, a roller is rotatably connected between the front and rear inner walls of the connecting frame, a first pusher is fixedly connected to the outer surface of the roller near the top, a second pusher is fixedly connected to the outer surface of the roller near the bottom, a gear is rotatably connected to the center of the front surface of the connecting frame, the gear is fixedly connected to the front end of the roller through an axis, a cylinder is installed on the top of the connecting frame, a rack is fixedly connected to the telescopic end of the cylinder, and the bottom of the rack is meshingly connected to the top of the gear.

[0007] Preferably, a connecting piece is fixedly connected to the right surface of the mounting frame, electric push rods are installed on the top of the body near the four corners, a top frame is fixedly connected between the top ends of the four electric push rods, and sliding rods are symmetrically fixedly connected between the inner walls on both sides of the top frame.

[0008] Preferably, a screw rod is rotatably connected near the middle between the inner surface walls of the top frame, a motor is installed on the right surface of the top frame, the output end of the motor slides through the outer surface of the top frame and extends to the other side, and the output end of the motor is connected to the right end of the screw rod.

[0009] Preferably, a limit seat is installed on the top of the body, the outer surface of the slide rod slides through the outer surface of the mounting frame, and the outer surface of the screw rod is threaded and penetrates the outer surface of the mounting frame.

[0010] Preferably, a first feed pump is installed on the front surface of the machine body, a transfer heating tank and a second feed pump are installed on the top of the mounting frame, and a spray head is installed on the right surface of the connecting piece.

[0011] Preferably, the first feed pump and the transfer heating tank are connected via a feed pipe, the transfer heating tank and the second feed pump are connected via a feed pipe, and the second feed pump and the spray head are connected via a feed pipe.

[0012] Preferably, two travel switches are installed at the bottom of the top frame near the front side, the two travel switches cooperate with the mounting frame, and the positions of the two travel switches and the limit seats correspond to each other.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, the first feed pump, the transfer heating tank, the second feed pump and the spray head are used to fill the hot melt adhesive into the lithium battery box. At the same time, the motor, the screw and the electric push rod can drive the spray head to fill the hot melt adhesive into the lithium battery layer by layer. When the spray head moves to the right side of the limit seat, the second pusher faces downward, and the inclined surface of the second pusher blade is on the left side. When the mounting frame moves to the left, the hot melt adhesive will be scraped flat. When the spray head moves to the left side of the limit seat, the cylinder, the rack, the gear and the roller cooperate to adjust the first pusher blade to the bottom. The inclined surface of the first pusher blade is on the right side. When the mounting frame moves to the right, the hot melt adhesive will be scraped flat. The layered filling method of the hot melt adhesive can make the hot melt adhesive evenly distributed inside the lithium battery, thereby ensuring the use effect of the hot melt adhesive and improving the overall quality of the lithium battery.

[0015] 2. In the utility model, when the mounting frame is moved to the leftmost or rightmost side of the lithium battery under the action of the motor and the screw, the mounting frame will touch the travel switch lever on the same side. At this time, the travel switch will send an electrical signal to control the motor to reverse and then drive the mounting frame to move to the other side. During the process, the electric push rod will be used to raise the height of the spray head. At this time, the spray head will automatically move back and forth left and right, and then fill the hot melt adhesive into the lithium battery layer by layer, with a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a hot melt adhesive uniform coating device for lithium battery processing proposed by the utility model;

[0017] Figure 2 The utility model provides a partial structural schematic diagram of a hot melt adhesive uniform coating device for lithium battery processing;

[0018] Figure 3 This is another structural schematic diagram of a device for uniformly coating hot melt adhesive for lithium battery processing proposed by the utility model;

[0019] Figure 4 The utility model provides a schematic structural diagram of a first pusher knife of a hot melt adhesive uniform coating device for lithium battery processing.

[0020] Legend: 1. Machine body; 11. Limit seat; 12. Electric push rod; 13. Top frame; 2. Sliding rod; 21. Motor; 22. Screw rod; 23. Travel switch; 3. First feed pump; 31. Transfer heating tank; 32. Second feed pump; 33. Spray head; 4. Mounting frame; 41. Connecting frame; 42. Connecting piece; 43. Roller; 44. First push knife; 45. Second push knife; 46. Gear; 47. Cylinder; 48. Rack. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a hot melt adhesive uniform coating device for lithium battery processing, including a body 1 and a mounting frame 4, the bottom of the mounting frame 4 is connected to a connecting frame 41, a roller 43 is rotatably connected between the front and rear inner surface walls of the connecting frame 41, a first pusher 44 is fixedly connected to the outer surface of the roller 43 near the top, a second pusher 45 is fixedly connected to the outer surface of the roller 43 near the bottom, a gear 46 is rotatably connected at the center of the front surface of the connecting frame 41, the gear 46 is fixedly connected to the front end of the roller 43 through an axis, a cylinder 47 is installed on the top of the connecting frame 41, a rack 48 is fixedly connected to the telescopic end of the cylinder 47, the bottom of the rack 48 is meshed with the top of the gear 46, a connecting piece 42 is fixedly connected to the right surface of the mounting frame 4, electric push rods 12 are installed near the four corners of the top of the body 1, and a top frame is fixedly connected between the tops of the four electric push rods 12. 13, sliding rods 2 are symmetrically fixedly connected between the inner surface walls on both sides of the top frame 13, and a screw rod 22 is rotatably connected between the inner surface walls of the top frame 13 near the middle. A motor 21 is installed on the right surface of the top frame 13, and the output end of the motor 21 slides through the outer surface of the top frame 13 and extends to the other side, and the output end of the motor 21 is connected to the right end of the screw rod 22. A limited seat 11 is installed on the top of the body 1, and the outer surface of the sliding rod 2 slides through the outer surface of the mounting frame 4, and the outer surface of the screw rod 22 threadedly penetrates the outer surface of the mounting frame 4. A first feed pump 3 is installed on the front surface of the body 1, and a transfer heating tank 31 and a second feed pump 32 are installed on the top of the mounting frame 4. A spray head 33 is installed on the right surface of the connecting piece 42, and the first feed pump 3 and the transfer heating tank 31 are connected through a feed pipe, the transfer heating tank 31 and the second feed pump 32 are connected through a feed pipe, and the second feed pump 32 and the spray head 33 are connected through a feed pipe.

[0024] The effect achieved by the entire embodiment 1 is that when using the present device to apply hot melt adhesive to lithium batteries, the lithium battery box is first placed in the limiting seat 11 on the top of the body 1, and then the first feed pump 3 is started to transport the melted hot melt adhesive inside the body 1 to the inside of the transfer heating tank 31 for continuous heating, and then the hot melt adhesive inside the transfer heating tank 31 is filled into the lithium battery box through the second feed pump 32 and the spray head 33. During the process, the motor 21 is started to drive the screw rod 22 to rotate while the mounting frame 4 drives the spray head 33 to move, thereby filling the hot melt adhesive into the lithium battery box layer by layer. When the spray head 33 moves to the right side of the limiting seat 11, the second pusher 45 faces downward, and the inclined surface of the blade of the second pusher 45 is on the left. When following the mounting frame 4 to move to the left, the hot melt adhesive will be scraped flat. When the spray head moves to the left side of the limiting seat 11 When the cylinder 47 is started and the rack 48 is pushed to move, the rack 48 will drive the gear 46 and the roller 43 to rotate 180°. At this time, the first push knife 44 is facing downward, and its blade inclined surface is on the right. When it moves to the right with the mounting frame 4, the hot melt adhesive will be scraped flat. The layered filling of hot melt adhesive can make the hot melt adhesive evenly distributed inside the lithium battery, thereby ensuring the use effect of the hot melt adhesive and improving the overall quality of the lithium battery. The first feed pump 3 and the second feed pump 32 can use glue pumps or other feed pumps suitable for conveying hot melt adhesive. The slide bar 2 is mainly used to limit the mounting frame 4, the limit seat 11 is mainly used to limit the lithium battery, and the electric push rod 12 is mainly used to support the top frame 13 and adjust the height of the top frame 13. During the height adjustment of the top frame 13, the distance between the spray head 33 and the lithium battery box can be adjusted synchronously.

[0025] Embodiment 2, as Figure 1-Figure 4 As shown, two travel switches 23 are installed at the bottom of the top frame 13 near the front side. The two travel switches 23 match the mounting bracket 4 , and the positions of the two travel switches 23 and the limit seats 11 correspond.

[0026] The effect achieved by the entire embodiment 2 is that when the mounting bracket 4 is moved to the leftmost or rightmost side of the lithium battery under the action of the motor 21 and the screw rod 22, the mounting bracket 4 will touch the lever of the travel switch 23 on the same side. At this time, the travel switch 23 will send an electrical signal to control the motor 21 to reverse and then drive the mounting bracket 4 to move to the other side. During the process, the electric push rod 12 is used to raise the height of the spray head 33. At this time, the spray head 33 will automatically move back and forth left and right, and then fill the hot melt adhesive into the lithium battery layer by layer, with a high degree of automation.

[0027] Working principle: When using this device to apply hot melt adhesive to lithium batteries, first place the lithium battery box in the limit seat 11 on the top of the body 1, and then start the first feed pump 3 to transport the melted hot melt adhesive inside the body 1 to the transfer heating tank 31 for continuous heating, and then use the second feed pump 32 and the spray head 33 to fill the hot melt adhesive inside the transfer heating tank 31 into the lithium battery box. During the process, the motor 21 is started to drive the screw rod 22 to rotate, and the mounting frame 4 drives the spray head 33 to move, so that the hot melt adhesive is filled into the lithium battery box layer by layer. When the spray head 33 moves to the right side of the limit seat 11, the second pusher 45 faces downward, and the inclined surface of the blade of the second pusher 45 is on the left. When following the mounting frame 4 to move to the left, the hot melt adhesive will be scraped flat. When the spray head moves to the left side of the limit seat 11, the cylinder 47 is started to push the rack 48 to move. , the rack 48 will drive the gear 46 and the roller 43 to rotate 180°. At this time, the first push knife 44 is facing downward, and its blade inclined surface is on the right side. When following the mounting frame 4 to move to the right, the hot melt adhesive will be scraped flat. The layered filling method of hot melt adhesive can make the hot melt adhesive evenly distributed inside the lithium battery, ensuring the use effect of the hot melt adhesive and improving the overall quality of the lithium battery. In addition, when the mounting frame 4 is driven to move to the leftmost or rightmost side of the lithium battery under the action of the motor 21 and the screw rod 22, the mounting frame 4 will touch the travel switch 23 lever on the same side. At this time, the travel switch 23 will send an electrical signal to control the motor 21 to reverse and then drive the mounting frame 4 to move to the other side. In the process, the electric push rod 12 is cooperated to raise the height of the spray head 33. At this time, the spray head 33 will automatically move back and forth left and right, and then fill the hot melt adhesive into the lithium battery layer by layer, with a high degree of automation.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A hot melt adhesive uniform coating device for lithium battery processing, comprising a body (1) and a mounting frame (4), characterized in that: The bottom of the mounting frame (4) is connected to a connecting frame (41); a roller (43) is rotatably connected between the front and rear inner walls of the connecting frame (41); a first material pusher (44) is fixedly connected to the outer surface of the roller (43) near the top; a second material pusher (45) is fixedly connected to the outer surface of the roller (43) near the bottom; a gear (46) is rotatably connected to the center of the front surface of the connecting frame (41); the gear (46) is fixedly connected to the front end of the roller (43) via a shaft; a cylinder (47) is installed at the top of the connecting frame (41); a rack (48) is fixedly connected to the telescopic end of the cylinder (47); the bottom of the rack (48) is meshingly connected to the top of the gear (46).

2. The hot melt adhesive uniform coating device for lithium battery processing according to claim 1, characterized in that: A connecting piece (42) is fixedly connected to the right surface of the mounting frame (4), electric push rods (12) are installed at the top of the body (1) near the four corners, a top frame (13) is fixedly connected between the top ends of the four electric push rods (12), and sliding rods (2) are symmetrically fixedly connected between the inner surface walls on both sides of the top frame (13).

3. The hot melt adhesive uniform coating device for lithium battery processing according to claim 2, characterized in that: A screw rod (22) is rotatably connected to a position near the middle of the inner surface wall of the top frame (13); a motor (21) is installed on the right surface of the top frame (13); an output end of the motor (21) slides through the outer surface of the top frame (13) and extends to the other side; the output end of the motor (21) is connected to the right end of the screw rod (22).

4. The hot melt adhesive uniform coating device for lithium battery processing according to claim 3, characterized in that: A limit seat (11) is installed on the top of the machine body (1); the outer surface of the slide rod (2) slides through the outer surface of the mounting frame (4); and the outer surface of the screw rod (22) is threadedly inserted through the outer surface of the mounting frame (4).

5. The hot melt adhesive uniform coating device for lithium battery processing according to claim 4, characterized in that: A first feed pump (3) is installed on the front surface of the machine body (1), a transfer heating tank (31) and a second feed pump (32) are installed on the top of the mounting frame (4), and a spray head (33) is installed on the right surface of the connecting piece (42).

6. The hot melt adhesive uniform coating device for lithium battery processing according to claim 5, characterized in that: The first feed pump (3) and the transfer heating tank (31) are connected via a feed pipe, the transfer heating tank (31) and the second feed pump (32) are connected via a feed pipe, and the second feed pump (32) and the spray head (33) are connected via a feed pipe.

7. The hot melt adhesive uniform coating device for lithium battery processing according to claim 6, characterized in that: Two travel switches (23) are installed at the bottom of the top frame (13) near the front side, the two travel switches (23) cooperate with the mounting frame (4), and the positions of the two travel switches (23) and the limit seats (11) correspond to each other.

Citation Information

Patent Citations

  • Lithium battery coating device

    CN219836695U