An extrusion device for solid-state lithium battery electrode sheet production

Abstract

The utility model discloses a kind of extrusion devices for solid-state lithium battery electrode sheet production, including two support side plates, the top of support side plate is fixedly installed with top plate between, the bottom of top plate is provided with extrusion assembly, the horizontal portion of L-shaped plate is below adjusting plate, screw rod is penetrated in the inside screwing of L-shaped plate horizontal portion, the top of screw rod is rotatably connected with clamping plate, the clamping plate is attached in the bottom of adjusting plate, the bottom of clamping plate is fixedly installed with knob, the utility model relates to solid-state lithium battery processing technical field;The extrusion device for solid-state lithium battery electrode sheet production, by setting replacement plate and fixed structure, it is convenient to replace corresponding replacement plate according to different specifications of battery body.Replacement plate is fixed on adjusting plate by L-shaped plate, screw rod, clamping plate and knob, installation and dismounting process is simple and fast, effectively improve the adaptability and operating efficiency of equipment.

Description

Technical Field

[0001] This utility model relates to the field of solid-state lithium battery processing technology, specifically an extrusion device for the production of solid-state lithium battery electrode sheets. Background Technology

[0002] In the production process of solid-state lithium batteries, the production of electrode sheets is a crucial step, as the quality of the electrode sheets directly affects the performance of solid-state lithium batteries. Extrusion molding is one of the key processes in electrode sheet production.

[0003] Currently, existing extrusion equipment for producing solid-state lithium battery electrode sheets has some shortcomings in use. On the one hand, when extruding the battery body, it is difficult to make flexible adjustments according to different specifications of battery bodies, and the operation of changing suitable parts is cumbersome, affecting production efficiency. On the other hand, after extrusion, the discharge of the battery body is not convenient and efficient, requiring a lot of manual intervention, which increases labor costs and reduces the continuity of production.

[0004] To address these issues, this invention provides an extrusion apparatus for producing solid-state lithium battery electrode sheets. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides an extrusion device for the production of solid-state lithium battery electrode sheets, thus solving the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an extrusion device for producing solid-state lithium battery electrode sheets, comprising two supporting side plates, a top plate fixedly installed between the tops of the supporting side plates, an extrusion assembly disposed below the top plate, a bottom plate fixedly installed between the two supporting side plates, the bottom plate being located below the top plate, a discharge assembly disposed above the bottom plate, the discharge assembly including an adjusting plate, a replacement plate attached to the top of the adjusting plate, multiple partitions evenly fixedly installed on the top of the replacement plate, battery bodies inserted between adjacent partitions, L-shaped plates fixedly installed on both the left and right sides of the replacement plate, the L-shaped plates being attached to the left and right sides of the adjusting plate, the vertical portion of the L-shaped plates being attached to the side of the adjusting plate, the horizontal portion of the L-shaped plates being located below the adjusting plate, a screw threaded through the interior of the horizontal portion of the L-shaped plates, a clamping plate rotatably connected to the top of the screw, the clamping plate being attached to the bottom of the adjusting plate, and a knob fixedly installed at the bottom of the clamping plate.

[0007] Preferably, the screw thread lead angle is less than the equivalent friction angle, and the outer side of the screw is coated with a protective and lubricating grease, which is a grease with strong adhesion, anti-leakage, wear resistance and anti-pollution properties.

[0008] Preferably, a first hydraulic rod is fixedly installed inside the top plate, a pressure sensor is fixedly installed at the output end of the first hydraulic rod, a pressing plate is fixedly installed at the bottom of the pressure sensor, the pressing plate is located above the replacement plate, and a limit rod is fixedly installed at the top of the pressing plate, the limit rod movably penetrating through the interior of the top plate.

[0009] Preferably, a controller is fixedly installed on the right side of the support side plate, and the controller is electrically connected to the first hydraulic rod and the pressure sensor.

[0010] Preferably, baffles are fixedly installed on the left and right sides of the top of the adjustment plate and in front of the replacement plate, and a vertical rod is fixedly installed on the top of the base plate, with the top of the vertical rod hinged to the bottom of the adjustment plate.

[0011] Preferably, a second hydraulic rod is hinged between the bottom of the adjusting plate and the top of the base plate. The second hydraulic rod is located behind the vertical rod and is electrically connected to the controller. A conveyor belt is provided in front of the supporting side plate, and the front of the adjusting plate is located above the conveyor belt. The conveyor belt is electrically connected to the controller. Beneficial effects

[0012] This invention provides an extrusion apparatus for the production of electrode sheets for solid-state lithium batteries. Compared with the prior art, it has the following advantages:

[0013] 1. This extrusion device for producing solid-state lithium battery electrode sheets, through the inclusion of a replacement plate and a fixing structure, facilitates the replacement of the appropriate replacement plate according to different battery specifications. The replacement plate is fixed to the adjusting plate by an L-shaped plate, screw, clamp, and knob, making the installation and disassembly process simple and quick, effectively improving the adaptability and operational efficiency of the equipment.

[0014] 2. The extrusion device for solid-state lithium battery electrode sheet production has a second hydraulic rod in the discharge assembly that can drive the adjusting plate to rotate around the vertical rod under the control of the controller, causing the adjusting plate to tilt. The battery body slides forward under the action of gravity and falls onto the conveyor belt through the guide of the baffle, realizing automatic discharge, reducing manual intervention, and improving discharge efficiency and production continuity. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1This is a perspective view of the external structure of this utility model;

[0017] Figure 2 This is a partial three-dimensional view of the structure of this utility model;

[0018] Figure 3 This is a three-dimensional view of the bottom structure of this utility model;

[0019] Figure 4 This is a three-dimensional view of the bottom part of the structure of this utility model.

[0020] In the diagram: 1. Support side plate; 2. Extrusion assembly; 21. First hydraulic rod; 22. Pressure sensor; 23. Extrusion plate; 24. Limiting rod; 25. Replacement plate; 26. Partition plate; 27. L-shaped plate; 28. Screw; 29. ​​Clamping plate; 210. Knob; 3. Discharge assembly; 31. Adjusting plate; 32. Baffle; 33. Vertical rod; 34. Second hydraulic rod; 4. Top plate; 5. Conveyor belt; 6. Controller; 7. Battery body; 8. Base plate. Detailed Implementation

[0021] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0022] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0023] Reference Figures 1 to 4 This application provides an extrusion apparatus for producing solid-state lithium battery electrode sheets, including two supporting side plates 1, which support the entire apparatus. A top plate 4 is fixedly installed between the tops of the supporting side plates 1, providing a mounting base for the extrusion assembly 2. The extrusion assembly 2 is located below the top plate 4 for extruding the battery body 7. A bottom plate 8 is fixedly installed between the two supporting side plates 1, located below the top plate 4, providing a mounting platform for the discharge assembly 3. The discharge assembly 3 is located above the bottom plate 8 for discharging the extruded battery body 7.

[0024] The discharge assembly 3 includes an adjusting plate 31. A replacement plate 25 is attached to the top of the adjusting plate 31. Multiple partitions 26 are evenly fixedly installed on the top of the replacement plate 25. A battery body 7 is inserted between adjacent partitions 26. The partitions 26 are used to position the battery body 7 and prevent it from shifting during the extrusion process. L-shaped plates 27 are fixedly installed on both the left and right sides of the replacement plate 25. The L-shaped plates 27 are attached to the left and right sides of the adjusting plate 31. The vertical part of the L-shaped plates 27 is attached to the side of the adjusting plate 31, and the horizontal part of the L-shaped plates 27 is located below the adjusting plate 31. A screw rod 28 is screwed through the interior of the horizontal part of the L-shaped plates 27. A clamping plate 29 is rotatably connected to the top of the screw rod 28. The clamping plate 29 is attached to the bottom of the adjusting plate 31, and a knob 210 is fixedly installed at the bottom of the clamping plate 29. When the replacement plate 25 needs to be replaced, turn the knob 210 to rotate the screw 28. Since the screw 28 is screwed to the L-shaped plate 27, the screw 28 will move the clamping plate 29 downward, causing the clamping plate 29 to disengage from the bottom of the adjusting plate 31, so that the replacement plate 25 can be removed from the adjusting plate 31. When installing a new replacement plate 25, place the replacement plate 25 on the adjusting plate 31, so that the L-shaped plate 27 fits against the side of the adjusting plate 31. Then turn the knob 210 in the opposite direction to move the screw 28 and the clamping plate 29 upward until the clamping plate 29 fits tightly against the bottom of the adjusting plate 31, thus completing the fixing of the replacement plate 25.

[0025] The thread lead angle of the screw 28 is smaller than the equivalent friction angle, giving the screw 28 a self-locking property. This ensures that the clamping plate 29 will not loosen during extrusion, guaranteeing the stable installation of the replacement plate 25. The outer side of the screw 28 is coated with a protective and lubricating grease. The grease is a type with strong adhesion, anti-leakage, wear resistance, and anti-contamination properties, which reduces friction between the screw 28 and the L-shaped plate 27, while preventing the screw 28 from being contaminated and corroded, thus extending its service life.

[0026] A first hydraulic rod 21 is fixedly installed inside the top plate 4. A pressure sensor 22 is fixedly installed at the output end of the first hydraulic rod 21. A compression plate 23 is fixedly installed at the bottom of the pressure sensor 22, and the compression plate 23 is located above the replacement plate 25. A limit rod 24 is fixedly installed at the top of the compression plate 23, and the limit rod 24 moves through the interior of the top plate 4. When the compression operation is performed, the controller 6 controls the first hydraulic rod 21 to extend, driving the compression plate 23 to move downwards and compress the battery body 7. The pressure sensor 22 monitors the pressure during the compression process in real time and transmits the pressure signal to the controller 6. The controller 6 controls the action of the first hydraulic rod 21 according to the set pressure value to ensure that the compression pressure meets the requirements. The limit rod 24 plays a guiding role during the up and down movement of the compression plate 23 to prevent the compression plate 23 from deviating and to ensure the accuracy of the compression.

[0027] A controller 6 is fixedly installed on the right side of the support side plate 1. The controller 6 is electrically connected to the first hydraulic rod 21 and the pressure sensor 22. The controller 6 receives the pressure signal transmitted by the pressure sensor 22 and controls the working state of the first hydraulic rod 21 according to a preset program to realize automatic control of the extrusion process.

[0028] Baffles 32 are fixedly installed on the left and right sides of the top of the adjusting plate 31 and in front of the replacement plate 25. A vertical rod 33 is fixedly installed on the top of the base plate 8, and the top of the vertical rod 33 is hinged to the bottom of the adjusting plate 31. The baffles 32 guide the battery body 7 during the discharge process and prevent the battery body 7 from falling off the sides of the adjusting plate 31. The vertical rod 33 provides a fulcrum for the rotation of the adjusting plate 31.

[0029] A second hydraulic rod 34 is hinged between the bottom of the adjusting plate 31 and the top of the base plate 8. The second hydraulic rod 34 is located behind the vertical rod 33 and is electrically connected to the controller 6. A conveyor belt 5 is located in front of the supporting side plate 1, and the front of the adjusting plate 31 is located above the conveyor belt 5. The conveyor belt 5 is electrically connected to the controller 6. After extrusion, the controller 6 controls the second hydraulic rod 34 to extend. Because the adjusting plate 31 is hinged to the vertical rod 33, the adjusting plate 31 will rotate forward around the vertical rod 33, causing the adjusting plate 31 to tilt. The battery body 7 slides forward along the adjusting plate 31 under the action of gravity and falls onto the conveyor belt 5 under the guidance of the baffle 32. The controller 6 controls the conveyor belt 5 to run, transporting the battery body 7 to the next process, completing the automatic discharge. After discharge, the controller 6 controls the second hydraulic rod 34 to shorten, so that the adjusting plate 31 returns to a horizontal state, so as to carry out the extrusion operation of the next batch of battery bodies 7.

[0030] In this device, the Delta DVP-20PM00D motion controller can be selected. It adopts a high-speed dual-CPU structure, which can realize various motion trajectory control, logic action control, etc., and can be used as a master or slave, with high flexibility. It is paired with a 10mm×2.6mm metal-packaged MEMS pressure sensor from Ruizhichen. This sensor maintains high-precision monitoring of 1%FS in a wide temperature range of -20℃ to 85℃, and has the characteristics of waterproof, corrosion-resistant, and anti-electromagnetic interference. It can withstand millions of pressure impacts and is suitable for pressure monitoring requirements during battery extrusion.

[0031] Working Principle: When using this extrusion device for solid-state lithium battery electrode sheet production, firstly, a suitable replacement plate 25 is selected according to the specifications of the battery body 7. The replacement plate 25 is then fixed onto the adjusting plate 31 using the knob 210, screw 28, and clamping plate 29. The battery body 7 is then inserted between adjacent partitions 26 for positioning. Next, the device is started via the controller 6. The controller 6 controls the extension of the first hydraulic rod 21, causing the extrusion plate 23 to move downwards to extrude the battery body 7. The pressure sensor 22 transmits the extrusion pressure signal to the controller 6 in real time, and the controller 6 controls the movement of the first hydraulic rod 21 according to the set pressure value. After extrusion, the controller 6 controls the shortening of the first hydraulic rod 21, causing the extrusion plate 23 to return to its original position. Then, the controller 6 controls the extension of the second hydraulic rod 34, causing the adjusting plate 31 to tilt forward. The battery body 7 slides along the adjusting plate 31 under gravity and is guided by the baffle 32 onto the conveyor belt 5, which then transports the battery body 7 away. Finally, the controller 6 controls the shortening of the second hydraulic rod 34, restoring the adjusting plate 31 to a horizontal position, ready for the next round of operation.

[0032] Furthermore, all contents not described in detail in this specification are existing technologies known to those skilled in the art, and all electrical components mentioned in this document are powered by external power supply lines.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An extrusion apparatus for producing solid-state lithium battery electrode sheets, comprising two support side plates (1), characterized in that: A top plate (4) is fixedly installed between the tops of the supporting side plates (1). An extrusion assembly (2) is provided below the top plate (4). A bottom plate (8) is fixedly installed between the two supporting side plates (1). The bottom plate (8) is located below the top plate (4). A discharge assembly (3) is provided above the bottom plate (8). The discharge assembly (3) includes an adjustment plate (31). A replacement plate (25) is placed on the top of the adjustment plate (31). Multiple partitions (26) are evenly fixedly installed on the top of the replacement plate (25). A battery body (7) is inserted between adjacent partitions (26). L-shaped plates (27) are fixedly installed on both the left and right sides of the replacement plate (25). The L-shaped plates (27) are attached to the left and right sides of the adjustment plate (31). The vertical part of the L-shaped plates (27) is attached to the side of the adjustment plate (31). The horizontal part of the L-shaped plates (27) is located below the adjustment plate (31). A screw rod (28) is screwed through the interior of the horizontal part of the L-shaped plates (27). A clamping plate (29) is rotatably connected to the top of the screw rod (28). The clamping plate (29) is attached to the bottom of the adjustment plate (31). A knob (210) is fixedly installed at the bottom of the clamping plate (29).

2. The extrusion apparatus for producing solid-state lithium battery electrode sheets according to claim 1, characterized in that: The thread lead angle of the screw (28) is less than the equivalent friction angle. The outer side of the screw (28) is coated with a protective and lubricating grease. The grease is a grease with strong adhesion, anti-leakage, wear resistance and anti-pollution properties.

3. An extrusion apparatus for producing solid-state lithium battery electrode sheets according to claim 1, characterized in that: A first hydraulic rod (21) is fixedly installed inside the top plate (4). A pressure sensor (22) is fixedly installed at the output end of the first hydraulic rod (21). A pressing plate (23) is fixedly installed at the bottom of the pressure sensor (22). The pressing plate (23) is located above the replacement plate (25). A limiting rod (24) is fixedly installed at the top of the pressing plate (23). The limiting rod (24) moves through the interior of the top plate (4).

4. An extrusion apparatus for producing solid-state lithium battery electrode sheets according to claim 1, characterized in that: A controller (6) is fixedly installed on the right side of the support side plate (1), and the controller (6) is electrically connected to the first hydraulic rod (21) and the pressure sensor (22).

5. An extrusion apparatus for producing solid-state lithium battery electrode sheets according to claim 1, characterized in that: Baffles (32) are fixedly installed on the left and right sides of the top of the adjustment plate (31) and in front of the replacement plate (25). A vertical rod (33) is fixedly installed on the top of the base plate (8). The top of the vertical rod (33) is hinged to the bottom of the adjustment plate (31).

6. An extrusion apparatus for producing solid-state lithium battery electrode sheets according to claim 5, characterized in that: A second hydraulic rod (34) is hinged between the bottom of the adjusting plate (31) and the top of the base plate (8). The second hydraulic rod (34) is located behind the vertical rod (33) and is electrically connected to the controller (6). A conveyor belt (5) is provided in front of the supporting side plate (1). The front of the adjusting plate (31) is located above the conveyor belt (5). The conveyor belt (5) is electrically connected to the controller (6).

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