Hot pressing device for lithium battery production

By using rollers to contact and press against the positioning plate, the moving block and clamping plate are moved. Combined with the drive motor driving the threaded rod, the problem of cumbersome fixing and unfixing of lithium batteries in the existing technology is solved, realizing fast fixing and unfixing, improving production efficiency and the stability of hot pressing operations.

CN224164233UActive Publication Date: 2026-04-24WUHAN YISHENG NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN YISHENG NEW MATERIAL TECH CO LTD
Filing Date
2025-03-20
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing hot-pressing devices used in lithium battery production are cumbersome to operate during the fixing and unfixing process, which makes fixing and unfixing lithium batteries inconvenient and affects production efficiency.

Method used

The moving block and clamping plate are moved by the contact and pressing of the rollers with the positioning plate, so as to quickly clamp and release the lithium battery. Combined with the drive motor driving the threaded rod, the hot pressure plate is raised and lowered, simplifying the fixing and releasing process.

Benefits of technology

It enables rapid fixing and unfixing of lithium batteries, improving production efficiency and ensuring the stability and convenience of hot pressing operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hot pressing device for lithium battery production, which relates to the technical field of lithium battery processing, and comprises a processing table, the top end of the processing table is fixedly connected with a support frame, one side of the support frame is groove-shaped, the inside of the support frame is rotatably connected with a threaded rod, and the outer surface of the threaded rod is in threaded sleeve connection with a lifting plate; rolling wheels on the two sides are in contact extrusion with positioning plates on the two sides, so that the two rolling wheels drive corresponding moving blocks to move oppositely, then the two moving blocks drive two clamping plates to move oppositely, and then the two clamping plates apply certain clamping and fixing force to the two sides of the lithium battery, so that the lithium battery can be quickly fixed; and meanwhile, the two rolling wheels can be attached between the two positioning plates to rotate, so that the placement plate can be conveniently moved while certain fixing force is applied to the lithium battery, the lithium battery can be quickly separated from fixation, and the hot-pressing device can more conveniently perform hot-pressing operation on the lithium battery.
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Description

Technical Field

[0001] This utility model relates to the field of lithium battery production technology, and in particular to a hot pressing device for lithium battery production. Background Technology

[0002] Hot pressing is a crucial step in the production of lithium batteries, affecting not only the tightness of the battery's internal structure but also its performance, safety, and lifespan. It is particularly indispensable in the production of prismatic lithium batteries.

[0003] The existing patent publication number CN216818409U describes a hot pressing device suitable for lithium battery production. The device uses a second motor to rotate, which drives a threaded rod to rotate. The threaded rod causes a moving part to move horizontally. During the movement of the moving part, the clamping part moves closer to or separates from the positioning part, thereby fixing and clamping bare batteries of different sizes according to market demand.

[0004] Although the clamping mechanism described above can fix the lithium battery, it requires frequent starting of the motor to control the operation of the clamping components during the fixing and unfixing process, making the fixing and unfixing process of the lithium battery cumbersome and inconvenient to fix and unfix the lithium battery quickly. Therefore, a thermopressing device that can easily fix and unfix the lithium battery is needed. Utility Model Content

[0005] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a hot pressing device for lithium battery production, which can solve the problem that makes it inconvenient to quickly fix and unfix lithium batteries.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hot pressing device for lithium battery production, comprising a processing table, a support frame fixedly connected to the top of the processing table, one side of the support frame being grooved, a threaded rod rotatably connected inside the support frame, a lifting plate threadedly sleeved on the outer surface of the threaded rod, a hot pressing plate fixedly installed at the top and bottom of the lifting plate, two positioning plates fixedly connected to the top of the processing table, a movable fixing assembly provided at the top of the processing table, the movable fixing assembly including the lifting plate, the two sides of the lifting plate being slidably connected to the opposite ends of the two positioning plates, a handle fixedly installed on one side of the lifting plate, two sliding grooves opened at the top of the lifting plate, the interior of the two sliding grooves penetrating the two sides of the placement plate, a moving block slidably connected to the inner wall of the two sliding grooves, and rollers rotatably installed at the opposite ends of the two moving blocks.

[0007] Preferably, the outer surfaces of the two rollers are in contact with one side of the corresponding positioning plate, and the top of each of the two moving blocks is fixedly connected with a clamping plate, and the bottom ends of the two clamping plates are slidably connected to the top of the placement plate.

[0008] Preferably, a limiting groove is formed on one side of the inner wall of each of the two sliding grooves, and a limiting block is slidably connected to the inner wall of each of the two limiting grooves. One end of each limiting block is fixedly connected to one side of the corresponding moving block.

[0009] Preferably, each of the two limiting blocks is fixedly equipped with a pressure spring at its opposite end, and the opposite ends of the two pressure springs are respectively fixedly connected to the inner wall of the corresponding limiting groove.

[0010] Preferably, the top of the processing table is provided with a guide groove, the inner wall of the guide groove is slidably connected with a guide groove, the inner wall of the guide groove is slidably connected with a guide block, and the top of the guide block is fixedly connected to the bottom of the placement plate.

[0011] Preferably, a drive motor is fixedly connected to the top of the support frame, and the output end of the drive motor rotates through the interior of the support frame and is fixedly connected to the top of the threaded rod.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This hot pressing device for lithium battery production uses rollers on both sides to contact and press against positioning plates on both sides. This causes the two rollers to move relative to their corresponding moving blocks. Then, the two moving blocks drive two clamping plates to move relative to each other. The two clamping plates then apply a certain clamping and fixing force to both sides of the lithium battery, thereby quickly fixing the lithium battery. At the same time, the two rollers rotate between the two positioning plates, thus applying a certain fixing force to the lithium battery while facilitating the movement of the placement plates. This allows the lithium battery to be quickly released from the fixing, making the hot pressing device more convenient for hot pressing lithium batteries. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 This is a three-dimensional structural diagram of a hot pressing device for lithium battery production according to the present invention;

[0016] Figure 2 For the present utility model Figure 1 Enlarged view of point A in the image;

[0017] Figure 3 This is a schematic diagram of the guide block structure of this utility model;

[0018] Figure 4 This is a plan view of the placement plate of this utility model.

[0019] Reference numerals in the attached drawings: 1. Processing table; 2. Support frame; 3. Threaded rod; 4. Lifting plate; 5. Drive motor; 6. Hot press plate; 7. Guide groove; 8. Positioning plate; 9. Placement plate; 10. Handle; 11. Clamping plate; 12. Guide block; 13. Slide groove; 14. Moving block; 15. Roller; 16. Limiting groove; 17. Limiting block; 18. Pressure spring. Detailed Implementation

[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0021] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequential relationship of the indicated technical features.

[0023] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0024] Please see Figure 1-4 This utility model provides a technical solution: a hot pressing device for lithium battery production, including a processing table 1, a support frame 2 fixedly connected to the top of the processing table 1, one side of the support frame 2 being grooved, a threaded rod 3 rotatably connected inside the support frame 2, a lifting plate 4 threadedly sleeved on the outer surface of the threaded rod 3, a hot pressing plate 6 fixedly installed at the top and bottom of the lifting plate 4 (the hot pressing plate 6 is prior art, with an electric heating tube inside, which will not be described in detail here), two positioning plates 8 fixedly connected to the top of the processing table 1, a movable fixing assembly provided at the top of the processing table 1, the movable fixing assembly including the lifting plate 4, the two sides of the lifting plate 4 being slidably connected to the opposite ends of the two positioning plates 8, and a handle 10 fixedly installed on one side of the lifting plate 4.

[0025] Furthermore, two sliding grooves 13 are provided at the top of the lifting plate 4. The interior of the two sliding grooves 13 extends through both sides of the placement plate 9. Moving blocks 14 are slidably connected to the inner walls of the two sliding grooves 13. Rollers 15 are rotatably installed at the opposite ends of the two moving blocks 14. The outer surfaces of the two rollers 15 contact one side of the corresponding positioning plate 8. Clamping plates 11 are fixedly connected to the top of the two moving blocks 14.

[0026] Furthermore, the bottom ends of the two clamping plates 11 are slidably connected to the top end of the placement plate 9.

[0027] Furthermore, a limiting groove 16 is provided on one side of the inner wall of each of the two sliding grooves 13, and a limiting block 17 is slidably connected to the inner wall of each of the two limiting grooves 16. One end of each of the two limiting blocks 17 is fixedly connected to one side of the corresponding moving block 14, and a pressure spring 18 is fixedly installed on the opposite end of each of the two limiting blocks 17. The opposite ends of the two pressure springs 18 are fixedly connected to the inner wall of the corresponding limiting groove 16.

[0028] Furthermore, a guide groove 7 is provided at the top of the processing table 1, and a guide block 12 is slidably connected to the inner wall of the guide groove 7. The top of the guide block 12 is fixedly connected to the bottom of the placement plate 9.

[0029] Furthermore, a drive motor 5 is fixedly connected to the top of the support frame 2, and the output end of the drive motor 5 rotates through the interior of the support frame 2 and is fixedly connected to the top of the threaded rod 3.

[0030] Furthermore, the worker places the lithium battery to be hot-pressed between two clamping plates 11, and then pushes the placement plate 9 using the handle 10. The rollers 15 on both sides of the placement plate 9 then contact and press with the positioning plates 8 on both sides, causing the two rollers 15 to move relative to the corresponding moving blocks 14. The two moving blocks then drive the two clamping plates 11 to move relative to each other. The two clamping plates 11 then apply a certain clamping and fixing force to both sides of the lithium battery, making it difficult for the lithium battery to move on the placement plate 9. At the same time, through the setting of the two rollers 15, the two rollers 15 will rotate between the two positioning plates 8, thus applying a certain fixing force to the lithium battery while facilitating the movement of the placement plate 9, making the hot pressing operation of the lithium battery easy and convenient.

[0031] Furthermore, after the lithium battery has a certain fixing force on the placement plate 9, the drive motor 5 is then started. The drive motor 5 then drives the threaded rod 3 to press down the lifting plate 4. The lifting plate 4 then drives the hot pressing plate 6 to press down. The hot pressing plate 6 then heat-presses the hot pressing end face of the lithium battery, thereby making the lithium battery more stable during hot pressing.

[0032] Furthermore, when it is necessary to remove the hot-pressed lithium battery from its fixed position, the handle 10 can be pulled. The handle 10 will then move the placement plate 9 back to its original position. The two rollers 15 will then disengage from the two positioning plates 8. Under the action of the pressure spring 18, the two clamps 11 will automatically lose their fixing force on both sides of the lithium battery, making it easier for the staff to remove the lithium battery from its fixed position.

[0033] Working principle: The operator places the lithium battery to be hot-pressed between two clamping plates 11, and then pushes the placement plate 9 using the handle 10. The rollers 15 on both sides of the placement plate 9 then contact and press with the positioning plates 8 on both sides, causing the two rollers 15 to move relative to the corresponding moving blocks 14. The two moving blocks then drive the two clamping plates 11 to move relative to each other. The two clamping plates 11 then apply a certain clamping and fixing force to both sides of the lithium battery, making it difficult for the lithium battery to move on the placement plate 9. At the same time, through the setting of the two rollers 15, the two rollers 15 will rotate between the two positioning plates 8, thus applying a certain fixing force to the lithium battery while facilitating the movement of the placement plate 9, making the hot pressing operation of the lithium battery easy and convenient.

[0034] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A hot pressing device for lithium battery production, comprising a processing table (1), characterized in that: The top of the processing table (1) is fixedly connected to a support frame (2). One side of the support frame (2) is grooved. The inside of the support frame (2) is rotatably connected to a threaded rod (3). The outer surface of the threaded rod (3) is threaded with a lifting plate (4). The top and bottom of the lifting plate (4) are fixedly installed with a hot press plate (6). The top of the processing table (1) is fixedly connected to two positioning plates (8). The top of the processing table (1) is provided with a movable fixing component, which includes a lifting plate (4). The two sides of the lifting plate (4) are slidably connected to the opposite ends of the two positioning plates (8). A handle (10) is fixedly installed on one side of the lifting plate (4). The top of the lifting plate (4) has two sliding grooves (13). The inside of the two sliding grooves (13) penetrates both sides of the placement plate (9). The inner walls of the two sliding grooves (13) are slidably connected to moving blocks (14). The opposite ends of the two moving blocks (14) are rotatably installed with rollers (15).

2. The hot pressing device for lithium battery production according to claim 1, characterized in that: The outer surfaces of the two rollers (15) respectively contact one side of the corresponding positioning plate (8), and the top ends of the two moving blocks (14) are fixedly connected with clamps (11), and the bottom ends of the two clamps (11) are slidably connected to the top end of the placement plate (9).

3. The hot pressing device for lithium battery production according to claim 1, characterized in that: Each of the two slides (13) has a limiting groove (16) on one side of its inner wall. The inner walls of the two limiting grooves (16) are slidably connected to limiting blocks (17). One end of each limiting block (17) is fixedly connected to one side of the corresponding moving block (14).

4. The hot pressing device for lithium battery production according to claim 3, characterized in that: Each of the two limiting blocks (17) is fixedly equipped with a pressure spring (18) at its opposite end, and the opposite ends of the two pressure springs (18) are respectively fixedly connected to the inner wall of the corresponding limiting groove (16).

5. A hot pressing device for lithium battery production according to claim 1, characterized in that: The top of the processing table (1) is provided with a guide groove (7), the inner wall of the guide groove (7) is slidably connected with a guide groove (7), the inner wall of the guide groove (7) is slidably connected with a guide block (12), and the top of the guide block (12) is fixedly connected to the bottom of the placement plate (9).

6. The hot pressing device for lithium battery production according to claim 1, characterized in that: The top of the support frame (2) is fixedly connected to a drive motor (5), and the output end of the drive motor (5) rotates through the interior of the support frame (2) and is fixedly connected to the top of the threaded rod (3).