Raw material mixing equipment for lithium battery shell production and processing
By working in concert with the material mixing component, the synchronization component, and the aeration component, the problems of plastic particle stratification and frictional heat generation in lithium battery casing production are solved, achieving efficient and uniform mixing and long-term operation of the equipment.
Patent Information
- Application Number
- CN202521042795.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-05-26
AI Technical Summary
Existing lithium battery casing production and processing equipment is prone to stratification when mixing different plastic granules, resulting in unstable performance. Furthermore, frictional heat generated during stirring can cause the granules to melt or stick together, affecting product quality and equipment lifespan.
The material mixing component, synchronization component, and aeration component work together to ensure uniform mixing of plastic granules through the cooperation of mixing blades and high-pressure gas nozzles. The synchronization component ensures that gas injection and mixing are synchronized, and the gas flow and pressure are precisely controlled.
This process achieves uniform mixing of plastic granules, reduces the temperature during stirring, prevents granules from melting or sticking together, improves mixing efficiency, and extends the service life of the equipment.
Smart Images
Figure CN223918345U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery shell production technical field, specifically, relates to raw material mixing equipment for lithium battery shell production and processing. BACKGROUND
[0002] Raw material mixing equipment for lithium battery shell production and processing is an industrial equipment for uniformly stirring and mixing two or more plastic particles (such as PP, PE, ABS, etc.), mainly used in the pretreatment link before shell material proportioning, which makes different performance plastic raw materials fully and uniformly distributed through mechanical stirring or high-speed rotating mixing, improves the stability of subsequent injection molding or extrusion molding process and the consistency of products, has compact structure, simple operation and high mixing efficiency, and is a key link in batch production of lithium battery shell materials.
[0003] In the prior art, the traditional raw material mixing equipment for lithium battery shell production and processing generally adopts a single stirring and mixing method to mix two or more plastic particles, however, this single stirring and mixing method has some significant problems in actual operation, first, due to the differences in material and density of different plastic particles, the stirring process is prone to cause particle stratification, which cannot realize complete and uniform mixing, and this stratification phenomenon will cause unstable performance of the final product and affect the quality of lithium battery shell, secondly, in the stirring process, heat is generated between the plastic particles due to friction, which further causes slight melting or deformation on the surface of part of the plastic particles, causing adhesion or accumulation between the particles, which not only affects the mixing effect, but also may cause increased wear and maintenance frequency of the stirring equipment, in addition, the heat generated by friction may also cause performance degradation of part of the heat-sensitive materials, affecting the performance and safety of the final product, therefore, the raw material mixing equipment for lithium battery shell production and processing is provided by the technical personnel in the technical field to solve the problems raised in the background. SUMMARY
[0004] The utility model discloses a lithium battery shell production and processing raw material mixing equipment, solve the traditional lithium battery shell production and processing raw material mixing equipment of prior art generally adopts single stirring mixing mode and mixes two and above two plastic particles, however, this single stirring mixing method has some significant problems in actual operation, first, because the material and density of different plastic particles exist difference, and stirring process can easily cause the occurrence of particle stratification phenomenon, cannot realize completely even mixing, and this stratification phenomenon can cause the performance of final product unstable, influence lithium battery shell quality, secondly, in the stirring process, plastic particles can produce heat between friction, and then cause the slight melting or deformation of part plastic particle surface, cause the adhesion or accumulation between particles, this not only influence mixing effect, but also can cause the loss and maintenance frequency of stirring equipment increase, in addition, the heat generated by friction can cause the performance of part heat sensitive material to deteriorate, influence the performance and safety of final product.
[0005] The utility model provides the following technical scheme: lithium battery shell production and processing raw material mixing equipment, including the material stirring subassembly for stirring and mixing material, the material stirring subassembly lower end is provided with the support subassembly for the material stirring subassembly support, support subassembly lower end is provided with the inflation component for the inside conveying high pressure gas of support subassembly, inflation component one side is provided with the synchronous component for the synchronous operation between inflation component and material stirring subassembly, material stirring subassembly upper end is provided with the drive motor for driving material stirring subassembly operation.
[0006] As the preferred technical scheme, the support subassembly includes a first support plate, and the first support plate is fixedly connected with a second support plate at the lower end of each side.
[0007] As the preferred technical scheme, the material stirring subassembly includes a conical stirring barrel, which is fixedly connected to the upper end center of the first support plate. A third support plate is fixedly connected to the upper end of the conical stirring barrel. Three feeding holes are annularly arranged and penetratively formed in the inner center edge of the third support plate.
[0008] As the preferred technical scheme, a transmission shaft is rotatably sleeved with a bearing at the inner center of the third support plate. The transmission shaft is rotatably sleeved with a bearing at the lower inner center of the conical stirring barrel. The drive motor is fixedly connected to the upper end center of the third support plate, and the lower output end of the drive motor is fixedly connected to the upper end of the transmission shaft. A plurality of mixing stirring blades are fixedly connected to the outer side of the transmission shaft in a spiral spring shape. A discharging pipe is fixedly sleeved to the lower side of the inner side of the conical stirring barrel.
[0009] As the preferred technical scheme of the above, the blanking pipe output end is hinged with a material blocking cover, a gas collecting cavity is fixedly sleeved on the lower inner wall of the conical stirring barrel, a plurality of output ends at the upper part of the gas collecting cavity are fixedly connected with high-pressure gas nozzles, and four gas input ends at one side of the gas collecting cavity are fixedly connected with butt joints.
[0010] As the preferred technical scheme of the above, the synchronous assembly comprises a first butt joint piece fixedly connected at the center of the lower end of the first support plate, a second butt joint piece fixedly connected at the side of the first butt joint piece close to the inflating assembly, and a synchronous rotating shaft rotatably sleeved at the center of the first butt joint piece and the second butt joint piece through bearings.
[0011] As the preferred technical scheme of the above, the two synchronous rotating shafts are fixedly connected with synchronous bevel gears at the ends close to each other, the two synchronous bevel gears are in gear meshing transmission, and the top end of the synchronous rotating shaft is fixedly connected with the lower end of the transmission shaft.
[0012] As the preferred technical scheme of the above, the inflating assembly comprises a butt joint plate fixedly connected at the lower end of the first support plate close to the second butt joint piece, side support plates fixedly connected at the lower end of the butt joint plate close to both sides, a side baffle fixedly connected at one side of the two side support plates, and a positioning plate fixedly connected at the side of the two side support plates away from the side baffle.
[0013] As the preferred technical scheme of the above, the lower ends of the two side support plates, the side baffle, and the positioning plate are fixedly connected with a lower protection plate, the inner ends of the two side support plates close to the side baffle are rotatably sleeved with a crankshaft through two bearings, the crankshaft is fixedly connected between the ends close to each other of the synchronous rotating shaft at one side, and the positioning plate is fixedly connected with four inflating pipes arranged inside.
[0014] As the preferred technical scheme of the above, the outer side of the crankshaft is rotatably sleeved with four connecting rods, the inner ends of the four connecting rods are rotatably sleeved in the four inflating pipes respectively, the inner ends of the four inflating pipes away from the crankshaft are fixedly sleeved with three-way pipes respectively, the other two ends of the four three-way pipes are fixedly connected with an air inlet one-way valve and a one-way air outlet electromagnetic valve respectively, and the gas output ends of the four one-way air outlet electromagnetic valves are fixedly connected with the gas input ends of the four butt joints through four explosion-proof steel pipes.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] The raw material mixing equipment for lithium battery shell production and processing can effectively solve the problems of particle stratification and frictional heat generation in traditional mixing equipment through the cooperative work of the material stirring assembly, the synchronization assembly and the air charging assembly. The material stirring assembly ensures the uniform mixing of various plastic particles through the cooperation of the mixing stirring blade and the high-pressure gas nozzle, while reducing the temperature in the stirring process and avoiding particle melting or sticking.
[0017] The synchronization assembly ensures the coordinated work of the air charging assembly and the material stirring assembly, synchronizes the injection of high-pressure gas with the material stirring, further improves the mixing effect, and ensures the effective delivery of gas to the stirring area through precise control of gas flow and pressure, avoiding excessive or insufficient gas affecting the mixing effect. The equipment has significant advantages in improving mixing efficiency, ensuring material uniformity, reducing equipment wear and prolonging service life. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic diagram of the raw material mixing equipment for lithium battery shell production and processing.
[0019] Figure 2 It is a three-dimensional structure schematic diagram of the raw material mixing equipment for lithium battery shell production and processing from another perspective.
[0020] Figure 3 It is a three-dimensional split structure schematic diagram of the raw material mixing equipment for lithium battery shell production and processing.
[0021] Figure 4 It is a three-dimensional split structure schematic diagram of the material stirring assembly.
[0022] Figure 5 It is a three-dimensional structure schematic diagram of the conical stirring barrel.
[0023] Figure 6 It is a three-dimensional structure schematic diagram of the synchronization assembly.
[0024] Figure 7 It is a three-dimensional split structure schematic diagram of the air charging assembly.
[0025] Figure 8 It is a three-dimensional structure schematic diagram of the air charging assembly from another perspective.
[0026] Figure 9 It is a three-dimensional structure schematic diagram of the connecting rod.
[0027] LEGEND:
[0028] 1, support assembly; 101, first support plate; 102, second support plate; 2, material stirring assembly; 201, conical stirring barrel; 202, third support plate; 203, feeding hole; 204, transmission shaft; 205, mixing stirring blade; 206, discharging pipe; 207, material blocking cover; 208, gas collecting cavity; 209, high-pressure gas nozzle; 2010, butt joint pipe; 3, synchronous assembly; 301, first butt joint piece; 302, second butt joint piece; 303, synchronous rotating shaft; 304, synchronous bevel gear; 4, aeration assembly; 401, butt joint plate; 402, side support plate; 403, side baffle; 404, positioning plate; 405, lower protection plate; 406, crank shaft; 407, aeration pipe; 408, piston head; 409, connecting rod; 4010, tee joint; 4011, air inlet check valve; 4012, one-way air outlet electromagnetic valve; 5, drive motor. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
[0030] Please refer to Figures 1-3 The present application provides a technical solution: a raw material mixing device for lithium battery shell production and processing, which comprises a material stirring assembly 2 for stirring and mixing materials, a support assembly 1 arranged at the lower end of the material stirring assembly 2 for supporting the material stirring assembly 2, an aeration assembly 4 arranged at the lower end of the support assembly 1 for conveying high-pressure gas into the support assembly 1, a synchronous assembly 3 arranged on one side of the aeration assembly 4 for synchronously operating the aeration assembly 4 and the material stirring assembly 2, and a drive motor 5 arranged at the upper end of the material stirring assembly 2 for driving the material stirring assembly 2 to operate.
[0031] The raw material mixing device for lithium battery shell production and processing can effectively solve the problems of particle stratification and frictional heat generation in traditional mixing devices through the cooperative work of the material stirring assembly 2, the synchronous assembly 3 and the aeration assembly 4. The material stirring assembly 2 ensures the uniform mixing of various plastic particles through the cooperation of the mixing stirring blade 205 and the high-pressure gas nozzle 209, and reduces the temperature in the stirring process, thereby avoiding particle melting or sticking. The synchronous assembly 3 ensures the coordinated work of the aeration assembly 4 and the material stirring assembly 2, so that the injection of high-pressure gas is synchronized with the material stirring, thereby further improving the mixing effect. The aeration assembly 4 ensures that the gas is effectively conveyed to the stirring area by accurately controlling the gas flow and pressure, thereby avoiding the influence of excessive or insufficient gas on the mixing effect. The device has significant advantages in improving the mixing efficiency, ensuring the uniformity of the material, reducing the wear of the device and prolonging the service life.
[0032] As an embodiment in the present embodiment, please refer to Figures 2-4As shown, the support assembly 1 comprises a first support plate 101, the lower end of which is fixedly connected with a second support plate 102 at both sides, the material stirring assembly 2 comprises a conical stirring barrel 201 fixedly connected at the upper end center of the first support plate 101, the upper end of the conical stirring barrel 201 is fixedly connected with a third support plate 202, three feeding holes 203 are annularly arranged and penetratively formed at the inner center edge of the third support plate 202, a transmission shaft 204 is rotatably sleeved at the inner center lower part of the conical stirring barrel 201 through a bearing, a driving motor 5 is fixedly connected at the upper end center of the third support plate 202, and the lower output end of the driving motor 5 is fixedly connected with the upper end of the transmission shaft 204, a plurality of mixing stirring blades 205 are fixedly connected in a spiral spring shape on the outer side of the transmission shaft 204, the plurality of mixing stirring blades 205 are arranged from small to large from bottom to top, and the appearance is similar to a cone, a discharge pipe 206 is fixedly sleeved at the lower inner side of the conical stirring barrel 201, a blocking cover 207 is hingedly connected to the output end of the discharge pipe 206, a gas collecting cavity 208 is fixedly sleeved on the lower inner wall of the conical stirring barrel 201, a plurality of output ends of the gas collecting cavity 208 are fixedly connected with high-pressure gas nozzles 209, and four gas input ends of one side of the gas collecting cavity 208 are fixedly connected with butt pipes 2010, the gas input ends of the four butt pipes 2010 penetrate through the inner wall of the conical stirring barrel 201 and extend to the outside of the conical stirring barrel 201.
[0033] The material stirring assembly 2 is composed of the conical stirring barrel 201 and the plurality of mixing stirring blades 205, the driving motor 5 drives the mixing stirring blades 205 to rotate through the transmission shaft 204, the mixing stirring blades 205 gradually increase from bottom to top and are arranged in a conical shape, which can effectively enhance the uniformity of material mixing, the transmission shaft 204 is rotatably connected to the bottom center of the conical stirring barrel 201 through a bearing, so as to realize the rotation of the mixing stirring blades 205 and promote the mixing of the material, at the same time, the gas collecting cavity 208 sprays high-pressure gas through the plurality of high-pressure gas nozzles 209, which can float the plastic particles in the stirring, reduce the frictional heat between the particles, avoid the particles from adhering or melting, and ensure the uniform mixing and quality control of the material, in addition, the high-pressure gas can effectively reduce the temperature in the stirring process and prevent the performance degradation of heat-sensitive plastics.
[0034] As an embodiment in the present embodiment, please refer to Figure 6As shown, the synchronous assembly 3 comprises a first butt joint 301 fixedly connected at the lower end center of the first support plate 101, the first butt joint 301 is fixedly connected with a second butt joint 302 near the side of the inflation assembly 4, the first butt joint 301 and the second butt joint 302 are rotatably sleeved with a synchronous rotating shaft 303 at the inner center, the two synchronous rotating shafts 303 are fixedly connected with a synchronous bevel gear 304 at the end close to each other, and the two synchronous bevel gears 304 are in gear mesh transmission, and the upper synchronous rotating shaft 303 is fixedly connected between the top end and the lower end of the transmission shaft 204.
[0035] The synchronous assembly 3 is composed of the first butt joint 301, the second butt joint 302, the synchronous rotating shaft 303 and the synchronous bevel gear 304. The first butt joint 301 and the second butt joint 302 are connected through the synchronous rotating shaft 303, and the gear mesh transmission is realized through the synchronous bevel gear 304. The function of this assembly is to ensure the synchronous work between the inflation assembly 4 and the material stirring assembly 2, to maintain the cooperative operation of the two systems, and to ensure that the high-pressure gas provided by the inflation assembly 4 can match the rhythm of the material stirring through the gear meshing of the synchronous rotating shaft 303, so that the gas injection and the material stirring are kept synchronous, the mixing efficiency is improved, and through this design, the gas injection during the material stirring process can be effectively adjusted and kept stable, and the material mixing effect is optimized.
[0036] As an embodiment in this embodiment, please refer to Figures 7-9As shown, the inflation assembly 4 includes a docking plate 401 fixedly connected at the lower end of the first support plate 101 near the second docking piece 302, the lower end of the docking plate 401 is fixedly connected with two side support plates 402, one side of the two side support plates 402 is fixedly connected with a side baffle 403, the side opposite to the side baffle 403 of the two side support plates 402 is fixedly connected with a positioning plate 404, the lower end of the two side support plates 402, the side baffle 403 and the positioning plate 404 is fixedly connected with a lower protection plate 405, the inner end of the two side support plates 402 near the side baffle 403 is rotatably sleeved with a crank shaft 406 through two bearings, the end of the crank shaft 406 close to the side of the synchronous rotating shaft 303 is fixedly connected, the inner part of the positioning plate 404 is fixedly connected with four inflation tubes 407, the inner part of each of the four inflation tubes 407 is sealingly and slidably sleeved with a piston head 408, the outer side of the crank shaft 406 is rotatably sleeved with four connecting rods 409, the end of each of the four connecting rods 409 away from the crank shaft 406 is rotatably sleeved in the inner part of the piston head 408, the end of each of the four inflation tubes 407 away from the crank shaft 406 is fixedly sleeved with a three-way tube 4010, the three-way tube 4010 is provided with a gas pressure sensor, the other two ends of each of the four three-way tubes 4010 are fixedly connected with an air inlet check valve 4011 and a one-way air outlet electromagnetic valve 4012, the gas output end of each of the four one-way air outlet electromagnetic valves 4012 is fixedly connected with the gas input end of each of the four docking tubes 2010 through four explosion-proof steel pipes.
[0037] The inflation assembly 4 is connected with the support assembly 1 through the docking plate 401, cooperates with the crank shaft 406 and the four inflation tubes 407, and high-pressure gas is delivered to the gas collecting cavity 208, when the crank shaft 406 rotates, the connecting rod 409 drives the piston head 408 to slide in the inflation tube 407, inhales and compresses the gas, after the gas is compressed, the pressure sensor monitors the preset gas pressure, and adjusts the opening and closing of the one-way air outlet electromagnetic valve 4012 through the control terminal, releases the high-pressure gas, the gas is delivered to the gas collecting cavity 208 through the explosion-proof steel pipe, and is sprayed out through the plurality of high-pressure gas nozzles 209, this process not only ensures the accurate control of the gas, but also avoids the excessive or insufficient spraying of the gas, improves the uniformity and stability of the mixing, the inflation assembly 4 controls the gas flow accurately, enhances the material stirring effect, especially for the mixing of various plastic particles, effectively avoids the stratification and adhesion phenomenon.
[0038] Working principle: the material stirring assembly 2 is composed of a conical stirring barrel 201 and a plurality of mixing stirring blades 205, a driving motor 5 drives the mixing stirring blades 205 to rotate through a transmission shaft 204, the mixing stirring blades 205 gradually increase from bottom to top and are arranged in a conical shape, which can effectively enhance the uniformity of material mixing, the transmission shaft 204 is rotatably connected to the bottom center of the conical stirring barrel 201 through a bearing, so as to realize the rotation of the mixing stirring blades 205 and promote the mixing of materials, at the same time, the gas collecting cavity 208 sprays high-pressure gas through a plurality of high-pressure gas nozzles 209, which can make the plastic particles in the stirring process float, reduce the friction heat between the particles, avoid the particles from adhering or melting, and ensure the uniform mixing and quality control of the materials, in addition, the high-pressure gas can effectively reduce the temperature in the stirring process, prevent the performance degradation of heat-sensitive plastics, and the synchronous assembly 3 is composed of a first butt joint sheet 301, a second butt joint sheet 302, a synchronous rotating shaft 303 and a synchronous bevel gear 304. The first butt joint sheet 301 and the second butt joint sheet 302 are connected through the synchronous rotating shaft 303 and realize gear meshing transmission through the synchronous bevel gear 304, the function of this assembly is to ensure the synchronous working between the aeration assembly 4 and the material stirring assembly 2 and keep the collaborative operation of the two systems, the synchronous rotating shaft 303 ensures that the high-pressure gas provided by the aeration assembly 4 can match the rhythm of material stirring, so that the gas injection and material stirring are kept synchronous, the mixing efficiency is improved, through this design, the gas injection in the material stirring process can be effectively adjusted and kept stable, and the material mixing effect is optimized.
[0039] The aeration assembly 4 is connected with the supporting assembly 1 through the butt joint plate 401, cooperates with the crank shaft 406 and the four aeration pipes 407, and high-pressure gas is transported to the gas collecting cavity 208, when the crank shaft 406 rotates, the connecting rod 409 drives the piston head 408 to slide in the aeration pipe 407, inhales and compresses the gas, after the gas is compressed, the pressure sensor monitors the preset air pressure, adjusts the opening and closing of the one-way air outlet electromagnetic valve 4012 through the control terminal, releases the high-pressure gas, the gas is transported to the gas collecting cavity 208 through the explosion-proof steel pipe and is sprayed through the plurality of high-pressure gas nozzles 209, this process not only ensures the accurate control of the gas, but also avoids the excessive or insufficient spraying of the gas, improves the uniformity and stability of the mixing, the aeration assembly 4 enhances the material stirring effect by accurately controlling the gas flow, especially for the mixing of a plurality of plastic particles, effectively avoids the stratification and adhesion phenomenon.
[0040] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them.
Claims
1. A raw material mixing device for lithium battery shell production and processing, comprising a material stirring assembly (2) for stirring and mixing materials, characterized in that: The lower end of the material stirring assembly (2) is provided with a support assembly (1) for supporting the material stirring assembly (2), the lower end of the support assembly (1) is provided with an aeration assembly (4) for conveying high-pressure gas inside the support assembly (1), one side of the aeration assembly (4) is provided with a synchronization assembly (3) for synchronizing the operation between the aeration assembly (4) and the material stirring assembly (2), and the upper end of the material stirring assembly (2) is provided with a driving motor (5) for driving the operation of the material stirring assembly (2).
2. The raw material mixing device for lithium battery shell production and processing according to claim 1, characterized in that: The support assembly (1) comprises a first support plate (101), and the lower end of the first support plate (101) is fixedly connected with a second support plate (102) at both sides.
3. The raw material mixing device for lithium battery shell production and processing according to claim 2, characterized in that: The material stirring assembly (2) comprises a conical stirring barrel (201), which is fixedly connected to the center of the upper end of the first support plate (101), and the upper end of the conical stirring barrel (201) is fixedly connected with a third support plate (202), and three feeding holes (203) are annularly arranged and penetratively formed in the inner center of the third support plate (202).
4. The raw material mixing device for lithium battery shell production and processing according to claim 3, characterized in that: The inner center of the third support plate (202) is rotatably sleeved with a transmission shaft (204) through a bearing, the outer side of the transmission shaft (204) is rotatably sleeved at the inner center of the lower part of the conical stirring barrel (201) through a bearing, the driving motor (5) is fixedly connected to the center of the upper end of the third support plate (202), and the lower output end of the driving motor (5) is fixedly connected to the upper end of the transmission shaft (204), a plurality of mixing stirring blades (205) are fixedly connected to the outer side of the transmission shaft (204) in a spiral spring shape, and a discharge pipe (206) is fixedly sleeved to the inner side of the lower part of the conical stirring barrel (201).
5. The raw material mixing device for lithium battery shell production and processing according to claim 4, characterized in that: The discharge pipe (206) is hingedly connected with a material blocking cover (207), the conical stirring barrel (201) is fixedly sleeved with a gas collecting cavity (208) on the inner lower wall, a plurality of high-pressure gas nozzles (209) are fixedly connected to the output ends of the upper part of the gas collecting cavity (208), four gas input ends of one side of the gas collecting cavity (208) are fixedly connected with butt joint pipes (2010), and the gas input ends of the four butt joint pipes (2010) penetrate the inner wall of the conical stirring barrel (201) and extend to the outside of the conical stirring barrel (201).
6. The raw material mixing apparatus for lithium battery case production processing according to claim 4, characterized in that: The synchronization assembly (3) comprises a first butt joint piece (301), which is fixedly connected to the center of the lower end of the first support plate (101), a second butt joint piece (302) is fixedly connected to one side of the aeration assembly (4) close to the first butt joint piece (301), and a synchronization shaft (303) is rotatably sleeved in the inner center of the first butt joint piece (301) and the second butt joint piece (302) through a bearing.
7. The raw material mixing device for lithium battery shell production and processing according to claim 6, characterized in that: The synchronization shaft (303) is fixedly connected with a synchronization bevel gear (304) at one end close to each other, and the two synchronization bevel gears (304) are in gear meshing transmission, and the top end of the synchronization shaft (303) is fixedly connected with the lower end of the transmission shaft (204).
8. The raw material mixing device for lithium battery shell production and processing according to claim 7, characterized in that: The inflatable assembly (4) includes a butt joint plate (401), which is fixedly connected at the lower end of the first support plate (101) near the second butt joint sheet (302) on one side, and the lower end of the butt joint plate (401) is fixedly connected with a side support plate (402) on both sides, one side of the two side support plates (402) is fixedly connected with a side baffle (403), and the side away from the side baffle (403) of the two side support plates (402) is fixedly connected with a positioning plate (404).
9. The raw material mixing apparatus for lithium battery case production processing according to claim 8, characterized in that: The lower end of the two side support plates (402), the side baffle (403) and the positioning plate (404) is fixedly connected with a lower protection plate (405), the inside of the two side support plates (402) near the side baffle (403) is rotatably sleeved with a crank shaft (406) through two bearings, the crank shaft (406) is fixedly connected between the end of the side closer to the synchronous rotating shaft (303), the inside of the positioning plate (404) is fixedly connected with four inflatable tubes (407), and the inside of the four inflatable tubes (407) is sealingly and slidably sleeved with a piston head (408).
10. The raw material mixing apparatus for lithium battery case production processing according to claim 9, characterized in that: The outside of the crank shaft (406) is rotatably sleeved with four connecting rods (409), the inside of the four connecting rods (409) away from the crank shaft (406) is rotatably sleeved in the piston head (408), the inside of the four inflatable tubes (407) away from the crank shaft (406) is fixedly sleeved with a three-way tube (4010), the other two ends of the four three-way tubes (4010) are fixedly connected with an air inlet one-way valve (4011) and a one-way air outlet electromagnetic valve (4012), respectively, and the gas output ends of the four one-way air outlet electromagnetic valves (4012) and the gas input ends of the four butt joint tubes (2010) are fixedly connected through four explosion-proof steel pipes.