Extrusion device for the production of electrode sheets

CN224915416UActive Publication Date: 2026-10-30HEBEI NINGCHANG NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522406337.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-13
Publication Date
2026-10-30
Estimated Expiration
2035-11-13

AI Technical Summary

Technical Problem

上述技术方案,能够对不同厚度要求金属片的挤压,同时电极片的生产过程仅需人工给料,更加安全,但是在重力作用下从电磁吸附盘上吸附排料,电极片表面不平整,不容易进行吸附排料,影响持续进行挤压使用

Benefits of technology

1.本实用新型通过设置带有电动推杆的挤压盘与滑道插接配合,挤压盘在梯型块与梯型槽插接配合,电机上的螺纹杆与梯型块上的螺孔螺纹连接,螺纹杆正反转动,实现挤压盘在滑道中位置调节,支撑架上配合液压缸,压板延伸至挤压盘中的挤压槽中,对中间放置的电极片进行按压紧实配合,按压完成后,挤压盘移动至滑道右端,在电动推杆的配合下,通过推板将按压后的电极片推送出,进入到抽屉中集中收集,不影响挤压盘持续挤压电极片使用。

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Abstract

The utility model relates to the technical field of electrode piece production, concretely to electrode piece production's extruding device, including extruding table, the left end of extruding table is equipped with motor, the output shaft of motor is connected with the shaft coupling, is equipped with extruding disc in the slide, the upper surface of support frame is equipped with hydraulic cylinder, the telescopic arm of hydraulic cylinder passes through support frame, and the end is equipped with the pressing plate, and the front end place of discharge port is equipped with the storage box, electrode piece production's extruding device sets up and has the extruding disc of electric push rod and slide plug -in cooperation, and the extruding disc is in the ladder type block and ladder type groove plug -in cooperation, and the thread rod on motor is connected with the screw hole on ladder type block, and the thread rod is positive and negative rotation, realizes the position adjustment of extruding disc in the slide, and the support frame is matched with hydraulic cylinder, and the electrode piece of placing in the middle is pressed and compacts the cooperation, after pressing, extruding disc moves to the right end in the slide, under the cooperation of electric push rod, pushes and sends the electrode piece after pressing through the push plate, and enters the drawer centralized collection.
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Description

Technical Field

[0001] This utility model relates to the field of electrode sheet production technology, specifically to an extrusion device for electrode sheet production. Background Technology

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive and negative electrode materials and a non-aqueous electrolyte solution. Extrusion is commonly used in electrode sheet production to increase the compaction density of the electrode sheets and improve battery capacity and cycle life. In the electrode sheet production process, the metal sheet first needs to be extruded to a specified thickness, and then the extruded iron sheet is processed. Utility model CN221651519U discloses an extrusion device for producing solid-state lithium battery electrode sheets, including a base, a fixed frame fixedly connected to the top of one end of the base, a groove formed on the top surface of the base, a support seat placed inside the groove, and limit grooves formed on both the front and rear sides of the support seat, a storage slot formed on the top surface of the support seat, a drive assembly installed inside the limit groove, two cylinders one installed at the top inside the fixed frame, an installation plate fixedly connected to the output end of the cylinder one, an extrusion block fixedly connected to the bottom of the installation plate, a linear motor also installed at the top inside the fixed frame, a cylinder two installed at the output end of the linear motor, a horizontal plate fixedly connected to the output end of the cylinder two, and multiple electromagnetic chucks installed at the bottom of the horizontal plate; The above technical solution can extrude metal sheets with different thickness requirements. At the same time, the production process of the electrode sheet only requires manual feeding, which is safer. However, the electrode sheet is not flat due to gravity adsorption and discharge from the electromagnetic adsorption plate, which makes it difficult to adsorb and discharge the material, affecting the continuous extrusion and use. Utility Model Content

[0003] The purpose of this invention is to provide an extrusion device for electrode sheet production, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: An extrusion device for producing electrode sheets includes an extrusion table with a slide rail on its upper surface. A motor is located at the left end of the extrusion table, and the output shaft of the motor is connected to a coupling with a threaded rod at the end of the coupling. An extrusion disc is located in the slide rail. A support frame is located at the center of the upper surface of the extrusion table, and a hydraulic cylinder is located on the upper surface of the support frame. The telescopic arm of the hydraulic cylinder passes through the support frame and has a pressure plate at its end. A discharge port is located near the right end of the front face of the extrusion table, and a storage box is located at the front end of the discharge port. The upper surface of the extrusion plate is provided with an extrusion groove, the rear end of the inner wall of the extrusion groove is provided with a storage groove, the rear end face is provided with an electric push rod, the telescopic arm of the electric push rod extends into the storage groove, and the end is provided with a push plate. The lower surface of the extrusion plate is provided with a trapezoidal block, and the end of the trapezoidal block is provided with a screw hole. A through groove communicating with the slide is provided on the rear end face of the extrusion table, the electric push rod extends out from the through groove, a trapezoidal groove is provided at the bottom of the slide corresponding to the trapezoidal block, and the threaded rod extends into the trapezoidal groove; The front face of the storage box has a slot, and a drawer is provided in the slot. A guide plate is provided between the drawer and the discharge port.

[0005] Furthermore, the width of the inner wall of the slide is adapted to the width of the outer wall of the extrusion plate, the bottom of the electric push rod is fixedly connected to the bottom of the extrusion plate by screws, the trapezoidal block and the extrusion plate are integrally formed, and the width of the outer wall of the trapezoidal block is adapted to the width of the inner wall of the trapezoidal groove.

[0006] In this invention, the trapezoidal block and the trapezoidal groove are inserted and matched to realize the horizontal and stable movement of the extrusion disc in the slide. The electric push rod is fixed on the outer wall of the extrusion disc to push and discharge the electrode sheet extruded inside the extrusion groove.

[0007] Specifically, the motor is fixedly connected to the extrusion table by screws, the output shaft of the motor is fixed to the coupling by screws, and the coupling is fixedly connected to one end of the threaded rod by screws, while the other end of the threaded rod is rotatably connected to the extrusion table.

[0008] In this invention, the motor is connected to an external power source via a wire. When the control switch on the outer wall of the motor is activated, the output shaft rotates, causing the coupling and threaded rod to rotate accordingly. When the output shaft stops rotating and its position is fixed, the threaded rod is locked in position. When the output shaft rotates in the forward direction, the threaded rod rotates in the forward direction, causing the extrusion disc to move horizontally to the right. When the output shaft rotates in the reverse direction, the threaded rod rotates in the reverse direction, causing the extrusion disc to move horizontally to the left.

[0009] It should be noted that the support frame is U-shaped, and the bottom of the support frame is fixedly connected to the top of the extrusion table by screws. Side plates are provided at the top of both sides of the support frame, and several lighting lamps are provided on the lower surface of the side plates.

[0010] In this invention, multiple lighting lamps are fitted on the side plate, and the lighting lamps are evenly distributed and fixed to the side plate by screws. The control switch on the outer wall of the lighting lamp is activated to illuminate the area above the extrusion table, which helps to provide lighting in dim environments.

[0011] Furthermore, the bottom of the hydraulic cylinder is fixedly connected to the top of the support frame by screws, the telescopic arm of the hydraulic cylinder is slidably engaged with the support frame, and the end of the telescopic arm is fixedly connected to the pressure plate by screws. The width of the outer wall of the pressure plate is smaller than the width of the inner wall of the extrusion groove.

[0012] In this invention, the telescopic arm of the hydraulic cylinder extends, causing the pressure plate to move downward and enter the extrusion groove, where it presses and compacts the electrode sheet placed in the extrusion groove.

[0013] Specifically, the width of the inner wall of the storage groove is adapted to the width of the outer wall of the push plate, and the telescopic arm of the electric push rod is slidably connected to the extrusion plate.

[0014] In this invention, the control switch on the outer wall of the electric push rod controls the extension or retraction of the telescopic arm, so that the push plate can extend or retract in the storage slot, thereby pushing and discharging the extruded electrode sheet placed on the upper surface of the extrusion plate. This reduces the damage caused by hand touching the electrode sheet after extrusion and avoids the electrode sheet not being discharged in time, which would affect the continuous extrusion.

[0015] In addition, one end of the storage box is fixedly connected to one side of the extrusion table by screws, the width of the inner wall of the slot is adapted to the width of the outer wall of the drawer, the guide plate is inclined, and the end of the guide plate near the discharge port is higher than the other end.

[0016] In this invention, a handle is fitted on the outer wall of the drawer, which facilitates the sliding of the electrode sheet pushed out from the extrusion plate into the drawer with the help of the guide plate when the drawer is in the slot. This helps to concentrate and store the electrode sheet and allows for continuous extrusion of the electrode sheet.

[0017] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model features an extrusion disc with an electric push rod that is inserted into a slide rail. The extrusion disc is inserted into a trapezoidal block and a trapezoidal groove. A threaded rod on the motor is threaded into a threaded hole on the trapezoidal block. The threaded rod rotates in both directions to adjust the position of the extrusion disc in the slide rail. A hydraulic cylinder is mounted on the support frame, and a pressure plate extends into the extrusion groove of the extrusion disc to press and tighten the electrode sheet placed in the middle. After pressing, the extrusion disc moves to the right end of the slide rail. With the assistance of the electric push rod, the pressed electrode sheet is pushed out by the push plate and collected in a drawer without affecting the continuous extrusion of the electrode sheet by the extrusion disc.

[0018] 2. This utility model features a through slot, which allows the electric push rod to move horizontally through the slot. With the help of the side plate and multiple lights, the extrusion table is illuminated, which helps to observe the extrusion process in a dim environment. The storage box is equipped with a guide plate, which helps to guide the electrode plate at the discharge port into the drawer, preventing it from falling to the ground and being contaminated by dust particles. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the extruded structure of this utility model; Figure 3 This is a schematic diagram of the material discharge state structure of this utility model; Figure 4This is a schematic diagram of the combined structure of the extrusion table and storage box of this utility model. Figure 5 This is a schematic diagram of the combined structure of the extrusion disc and the electric push rod of this utility model; Figure 6 This is a schematic diagram of the combination of the support frame and hydraulic cylinder of this utility model.

[0020] The meanings of the labels in the diagram are as follows: 1. Extrusion table; 10. Slide rail; 11. Through groove; 12. Trapezoidal groove; 13. Discharge port; 2. Motor; 20. Threaded rod; 3. Extrusion plate; 30. Extrusion groove; 300. Storage groove; 31. Electric push rod; 310. Push plate; 32. Trapezoidal block; 320. Screw hole; 4. Support frame; 40. Hydraulic cylinder; 400. Pressure plate; 41. Side plate; 410. Lighting lamp; 5. Storage box; 50. Drawer; 51. Slot; 52. Connector plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-6 This embodiment provides the following technical solution: The extrusion device for electrode sheet production includes an extrusion table 1. A slide rail 10 is provided on the upper surface of the extrusion table 1. A motor 2 is provided at the left end of the extrusion table 1. The output shaft of the motor 2 is connected to a coupling, and a threaded rod 20 is provided at the end of the coupling. The motor 2 is fixedly connected to the extrusion table 1 by screws. The output shaft of the motor 2 is fixed to the coupling by screws, and the coupling is fixedly connected to one end of the threaded rod 20 by screws. The other end of the threaded rod 20 is rotatably connected to the extrusion table 1.

[0023] In this utility model, the motor 2 is connected to an external power source via a wire. The control switch on the outer wall of the motor 2 is activated, causing the output shaft to rotate and drive the coupling and threaded rod 20 to rotate accordingly. The output shaft of the motor 2 stops rotating, the position of the output shaft is fixed, the threaded rod 20 is locked in position, the output shaft rotates in the forward direction, causing the threaded rod 20 to rotate in the forward direction, the extrusion disc 3 moves horizontally to the right, the output shaft rotates in the reverse direction, causing the threaded rod 20 to rotate in the reverse direction, and the extrusion disc 3 moves horizontally to the left.

[0024] Furthermore, the slide 10 is provided with an extrusion plate 3, and a support frame 4 is provided at the center of the upper surface of the extrusion table 1. The support frame 4 is U-shaped, and the bottom of the support frame 4 is fixedly connected to the top of the extrusion table 1 by screws. Side plates 41 are provided at the top of both sides of the support frame 4, and several lighting lamps 410 are provided on the lower surface of the side plates 41.

[0025] In this utility model, a plurality of lighting lamps 410 are fitted on the side plate 41, and the lighting lamps 410 are distributed at equal intervals and are fixed to the side plate 41 by screws. When the control switch on the outer wall of the lighting lamp 410 is activated, it can illuminate the area above the extrusion table 1, which helps to provide lighting in dim environments.

[0026] Specifically, a hydraulic cylinder 40 is provided on the upper surface of the support frame 4. The telescopic arm of the hydraulic cylinder 40 passes through the support frame 4 and a pressure plate 400 is provided at the end. A discharge port 13 is provided near the right end of the front end of the extrusion table 1, and a storage box 5 is provided at the front end of the discharge port 13. Secondly, the bottom of the hydraulic cylinder 40 is fixedly connected to the top of the support frame 4 by screws, the telescopic arm of the hydraulic cylinder 40 is slidably engaged with the support frame 4, and the end of the telescopic arm is fixedly connected to the pressure plate 400 by screws. The width of the outer wall of the pressure plate 400 is smaller than the width of the inner wall of the extrusion groove 30.

[0027] In this invention, the telescopic arm of the hydraulic cylinder 40 extends, causing the pressure plate 400 to move downwards and enter the extrusion groove 30, thereby extruding and compacting the electrode sheet placed in the extrusion groove 30.

[0028] It should be noted that the upper surface of the extrusion plate 3 is provided with an extrusion groove 30, the rear end of the inner wall of the extrusion groove 30 is provided with a storage groove 300, the rear end face is provided with an electric push rod 31, the telescopic arm of the electric push rod 31 extends into the storage groove 300, and the end is provided with a push plate 310. The lower surface of the extrusion plate 3 is provided with a trapezoidal block 32, and the end of the trapezoidal block 32 is provided with a screw hole 320. Furthermore, the width of the inner wall of the slide 10 is adapted to the width of the outer wall of the extrusion plate 3, the bottom of the electric push rod 31 is fixedly connected to the bottom of the extrusion plate 3 by screws, the trapezoidal block 32 and the extrusion plate 3 are integrally formed, and the width of the outer wall of the trapezoidal block 32 is adapted to the width of the inner wall of the trapezoidal groove 12.

[0029] In this utility model, the trapezoidal block 32 and the trapezoidal groove 12 are inserted and matched to realize the horizontal and stable movement of the extrusion plate 3 in the slide 10. The electric push rod 31 is fixed on the outer wall of the extrusion plate 3 to push and discharge the electrode sheet extruded inside the extrusion groove 30.

[0030] Secondly, the width of the inner wall of the storage slot 300 is adapted to the width of the outer wall of the push plate 310, and the telescopic arm of the electric push rod 31 is slidably connected to the extrusion plate 3.

[0031] In this utility model, the control switch on the outer wall of the electric push rod 31 controls the extension or retraction of the telescopic arm, so that the push plate 310 extends or retracts in the storage groove 300, thereby pushing and discharging the extruded electrode sheet placed on the upper surface of the extrusion plate 3, reducing the damage caused by hand touching the electrode sheet after extrusion, and preventing the electrode sheet from not being discharged in time, which would affect the continuous extrusion.

[0032] The front end face of the extrusion disc 3 is connected to the inside of the extrusion groove 30, which facilitates the horizontal pushing and discharge of the electrode sheet in the extrusion groove 30.

[0033] Specifically, a through groove 11 communicating with the slide 10 is provided on the rear end face of the extrusion table 1, the electric push rod 31 extends out from the through groove 11, a trapezoidal groove 12 is provided at the bottom of the slide 10 corresponding to the trapezoidal block 32, and the threaded rod 20 extends into the trapezoidal groove 12. It is worth adding that the front end of the storage box 5 has a slot 51, a drawer 50 is provided in the slot 51, and a guide plate 52 is provided between the drawer 50 and the discharge port 13.

[0034] Furthermore, one end of the storage box 5 is fixedly connected to one side of the extrusion table 1 by screws, the width of the inner wall of the slot 51 is adapted to the width of the outer wall of the drawer 50, the guide plate 52 is inclined, and the end of the guide plate 52 near the discharge port 13 is higher than the other end.

[0035] In this invention, a handle is fitted on the outer wall of the drawer 50, which facilitates the sliding of the electrode sheet pushed out from the extrusion plate 3 into the drawer 50 with the cooperation of the guide plate 52 when the drawer 50 is in the slot 51. This helps to centrally store the electrode sheet and continuously perform electrode sheet extrusion.

[0036] In this embodiment, the extrusion device for producing electrode sheets is used by first fixing the storage box 5 with drawer 50 to the extrusion table 1 with screws, and connecting the corresponding guide plate 52 between the storage box 5 and the discharge port 13. The extrusion plate 3 with storage groove 300 is connected to the trapezoidal groove 12 by trapezoidal block 32. The motor 2 is fixed on the end of the extrusion table 1, and the output shaft of the motor 2 is connected to the threaded rod 20 through a coupling. The threaded rod 20 extends into the trapezoidal groove 12 and is threadedly connected to the threaded hole 320. Then, the electric push rod 31 is fixed on the rear end face of the extrusion plate 3. The telescopic arm of the electric push rod 31 extends into the storage groove 300. The push plate 310 is connected to the end of the telescopic arm and stored in the storage groove 300. Then, the support frame 4 with hydraulic cylinder 40 is fixed on the extrusion table 1. The output shaft of motor 2 is rotated to adjust the extrusion plate 3 to the left end of slide 10. The electrode sheet to be extruded is then placed in the extrusion groove 30. The output shaft of motor 2 is rotated to rotate the threaded rod 20, which drives the extrusion plate 3 to move below the support frame 4. Then, the telescopic arm of hydraulic cylinder 40 is extended to extend the pressure plate 400 into the extrusion groove 30. The pressure plate 400 compacts the electrode sheet below. After compaction, the telescopic arm of hydraulic cylinder 40 is shortened, the output shaft of motor 2 rotates, and the threaded rod 20 continues to rotate, pushing the extrusion plate 3 to the right end of slide 10. Then, the telescopic arm of electric push rod 31 is extended, and push plate 310 extends from the storage groove 300, pushing the extruded electrode sheet from the front end of the extrusion groove 30. The compacted electrode sheet enters the receiving plate 52 from the discharge port 13 and slides down into the drawer 50 under gravity for collection. The lighting 410 is turned on to help observe the extrusion operation on the extrusion table 1 in a dim environment.

Claims

1. An extrusion apparatus for producing electrode sheets, comprising an extrusion table (1), characterized in that: The upper surface of the extrusion table (1) is provided with a slide rail (10), the left end of the extrusion table (1) is provided with a motor (2), the output shaft of the motor (2) is connected to a coupling, and the end of the coupling is provided with a threaded rod (20). The slide rail (10) is provided with an extrusion plate (3), the center of the upper surface of the extrusion table (1) is provided with a support frame (4), the upper surface of the support frame (4) is provided with a hydraulic cylinder (40), the telescopic arm of the hydraulic cylinder (40) passes through the support frame (4), and the end is provided with a pressure plate (400). The front end face of the extrusion table (1) is provided with a discharge port (13) near the right end, and the front end of the discharge port (13) is provided with a storage box (5). The upper surface of the extrusion plate (3) is provided with an extrusion groove (30), the rear end of the inner wall of the extrusion groove (30) is provided with a storage groove (300), the rear end face is provided with an electric push rod (31), the telescopic arm of the electric push rod (31) extends into the storage groove (300), and the end is provided with a push plate (310). The lower surface of the extrusion plate (3) is provided with a trapezoidal block (32), and the end of the trapezoidal block (32) is provided with a screw hole (320). The extrusion table (1) has a through groove (11) connected to the slide (10) on its rear end face. The electric push rod (31) extends out from the through groove (11). The bottom of the slide (10) has a trapezoidal groove (12) corresponding to the trapezoidal block (32). The threaded rod (20) extends into the trapezoidal groove (12). The storage box (5) has a slot (51) on its front end, and a drawer (50) is provided in the slot (51). A guide plate (52) is provided between the drawer (50) and the discharge port (13).

2. The extrusion apparatus for producing electrode sheets according to claim 1, characterized in that: The width of the inner wall of the slide (10) is adapted to the width of the outer wall of the extrusion plate (3). The bottom of the electric push rod (31) is fixedly connected to the bottom of the extrusion plate (3) by screws. The trapezoidal block (32) and the extrusion plate (3) are integrally formed. The width of the outer wall of the trapezoidal block (32) is adapted to the width of the inner wall of the trapezoidal groove (12).

3. The extrusion apparatus for producing electrode sheets according to claim 1, characterized in that: The motor (2) is fixedly connected to the extrusion table (1) by screws. The output shaft of the motor (2) is fixed to the coupling by screws, and the coupling is fixedly connected to one end of the threaded rod (20) by screws. The other end of the threaded rod (20) is rotatably connected to the extrusion table (1).

4. The extrusion apparatus for producing electrode sheets according to claim 1, characterized in that: The support frame (4) is U-shaped. The bottom of the support frame (4) is fixedly connected to the top of the extrusion table (1) by screws. Side plates (41) are provided at the top of both sides of the support frame (4). Several lighting lamps (410) are provided on the lower surface of the side plates (41).

5. The extrusion apparatus for producing electrode sheets according to claim 1, characterized in that: The bottom of the hydraulic cylinder (40) is fixedly connected to the top of the support frame (4) by screws. The telescopic arm of the hydraulic cylinder (40) is slidably engaged with the support frame (4), and the end of the telescopic arm is fixedly connected to the pressure plate (400) by screws. The width of the outer wall of the pressure plate (400) is smaller than the width of the inner wall of the extrusion groove (30).

6. The extrusion apparatus for producing electrode sheets according to claim 1, characterized in that: The width of the inner wall of the storage groove (300) is adapted to the width of the outer wall of the push plate (310), and the telescopic arm of the electric push rod (31) is slidably connected to the extrusion plate (3).

7. The extrusion apparatus for producing electrode sheets according to claim 1, characterized in that: One end of the storage box (5) is fixedly connected to one side of the extrusion table (1) by screws. The width of the inner wall of the slot (51) is adapted to the width of the outer wall of the drawer (50). The guide plate (52) is inclined. The end of the guide plate (52) near the discharge port (13) is higher than the other end.

Citation Information

Patent Citations

  • Extrusion device for producing electrode plate of solid-state lithium battery

    CN221651519U