A waste battery recycling grinding device

Abstract

This invention relates to a waste battery recycling and grinding device, belonging to the technical field of waste battery recycling. It includes a housing, grinding rollers, and a feed hopper. The grinding rollers comprise rotating rollers, sliding columns, abutment blocks, and grinding blocks. One end of the rotating roller has a sliding groove, and the sliding column is slidably disposed within the sliding groove. The abutment block is fixedly disposed on the surface of the sliding column. The inner wall of the sliding groove has an abutment groove, and the abutment block is slidably disposed within the abutment groove. A plurality of grinding blocks are symmetrically arranged on the surface of the sliding column. The inner wall of the sliding groove has a grinding groove, and the grinding blocks on two rotating rollers are staggered. A sliding assembly is provided on the housing, which drives two sliding columns to slide simultaneously in opposite directions. This invention has the advantage of crushing and grinding waste batteries from different directions, enhancing the grinding effect and improving the subsequent energy recovery rate.

Description

Technical Field

[0001] This invention relates to the technical field of waste battery recycling, and in particular to a waste battery recycling grinding device. Background Technology

[0002] Currently, waste batteries refer to used and discarded batteries. The random disposal of waste batteries will cause water and soil pollution, which is seriously harmful to the environment. Over time, it will also seriously endanger human health. Therefore, it is necessary to recycle and grind waste batteries. On the one hand, this can prevent waste batteries from polluting the environment, and on the other hand, it can recover the useful materials inside, thus avoiding resource waste.

[0003] A grinding device is designed in the related technology, which includes a housing and a set of grinding rollers disposed in the housing. Two grinding rollers are rotatably arranged, and the grinding teeth are meshed with each other and staggered. During grinding, waste batteries are poured between the two grinding rollers, and the waste batteries are crushed and ground by the teeth. After being ground, the waste batteries are discharged through the bottom.

[0004] In the process of developing this application, it was found that the technology has at least the following problems: the relative rotation of the two grinding rollers can only crush the waste batteries from a single direction, resulting in poor grinding effect and incomplete crushing, which affects the subsequent recycling of raw materials inside the waste batteries. Therefore, it needs to be improved. Summary of the Invention

[0005] In order to crush waste batteries from different directions, enhance the grinding effect, and improve the subsequent energy recovery rate, this application provides a waste battery recycling grinding device.

[0006] The waste battery recycling and grinding device provided in this application adopts the following technical solution:

[0007] A waste battery recycling grinding device includes a housing, grinding rollers, and a feeding hopper. Two grinding rollers are rotatably arranged inside the housing. The feeding hopper is fixedly mounted on the housing and located directly above the grinding rollers. A rotating assembly is provided on the housing for driving the two grinding rollers to rotate relative to each other. Each grinding roller includes a rotating roller, a sliding column, an abutment block, and a grinding block. Both ends of the rotating roller are rotatably connected to the inner wall of the housing. The rotating assembly is interconnected with the rotating roller. A sliding groove is formed at one end of the rotating roller, and the sliding column slides... The sliding column and the sliding groove are adapted to each other. The abutment block is fixedly set on the surface of the sliding column. The inner wall of the sliding groove has an abutment groove, and the abutment block is slidably set in the abutment groove. Several grinding blocks are symmetrically arranged on the surface of the sliding column. The inner wall of the sliding groove has a grinding groove for the grinding blocks to pass through and slide. The grinding blocks on the two rotating rollers are staggered. The housing is provided with a sliding assembly, which is used to drive the two sliding columns to slide in opposite directions at the same time.

[0008] By adopting the above technical solution, waste battery cylinders enter the machine casing through the feed hopper. The rotating component drives two rotating rollers to rotate simultaneously. When the rotating rollers rotate, the abutment groove abuts against the abutment block, which in turn drives the sliding column to rotate, making the sliding column and the rotating roller rotate synchronously. As a result, the grinding blocks on the two sliding columns rotate relative to each other, and the grinding blocks crush the waste batteries. The sliding component operates intermittently, driving the two sliding columns to slide in opposite directions simultaneously. When the sliding column slides in the sliding groove, the abutment block can slide in the abutment groove, and the grinding block can slide in the grinding groove. The staggered grinding blocks can slide in opposite directions along the length of the sliding column at the same time, and the grinding blocks can crush the waste batteries from another direction. The grinding blocks can perform preliminary crushing and grinding of the waste batteries by rotating with the rotating roller, and the grinding blocks can further crush and grind the waste batteries by sliding horizontally with the sliding column using the sliding component and the staggered grinding blocks. This enhances the grinding effect and improves the subsequent energy recovery rate.

[0009] Preferably, the sliding assembly includes a hydraulic cylinder, a connecting ring, a first rack, a linkage gear, a guide plate, and a second rack. The sliding column penetrates the housing and has a connecting groove. The connecting ring is rotatably disposed within the connecting groove. The hydraulic cylinder is fixedly disposed on the outer wall of the housing. The piston rod of the hydraulic cylinder is connected to the first rack. The first rack is fixedly disposed with one of the connecting rings. The guide plate is fixedly disposed on the outer wall of the housing. The second rack is slidably connected to the guide plate and is fixedly disposed with the other connecting ring. The linkage gear is rotatably disposed on the outer wall of the housing and meshes with both the first and second racks.

[0010] By adopting the above technical solution, during grinding, the rotating component drives the rotating roller and the sliding column to rotate synchronously. The connecting ring can rotate in the connecting groove. At the same time, the piston rod of the hydraulic cylinder extends and retracts, and the hydraulic cylinder drives the first rack to slide. The first rack drives one of the connecting blocks to abut against the inner wall of the connecting groove, thereby driving one of the sliding columns to slide in the sliding groove. When the first rack slides, it abuts against the linkage gear, driving the linkage gear to rotate. The linkage gear then abuts against the second rack, causing the second rack to drive another connecting block to abut against the inner wall of the connecting groove. This controls the other sliding column to slide in the opposite direction in the sliding groove, quickly controlling the grinding blocks on the two sliding columns to slide in opposite directions. The control is convenient and fast. Utilizing the large force of the hydraulic cylinder, it can achieve a good crushing effect.

[0011] Preferably, planar bearings are symmetrically arranged on the inner wall of the connecting groove, one end of the planar bearing is connected to the inner wall of the connecting groove, and the other end of the planar bearing is connected to the connecting ring.

[0012] By adopting the above technical solution, the flat bearing reduces the friction between the connecting block and the inner wall of the connecting groove, which helps to reduce the wear on the connecting groove and the connecting block, thereby extending the service life of the device.

[0013] Preferably, an installation rod is fixedly installed on the inner wall of the housing, a screening screen is slidably installed on the installation rod, and a set of vibration springs is sleeved on the installation rod, wherein one vibration spring abuts against one end of the screening screen and the other vibration spring abuts against the other end of the screening screen. A linkage component is provided between the linkage gear and the screening screen, and the linkage component is used to drive the screening screen to slide back and forth on the installation rod when the linkage gear rotates.

[0014] Preferably, the linkage component includes an abutment rod and a lever block. The lever block is fixedly mounted on the side wall of the screening screen and penetrates the machine housing. The abutment rod is fixedly mounted at the bottom end of the linkage gear and can abut against the lever block.

[0015] By adopting the above technical solution, the waste batteries, after being crushed and ground by two grinding rollers, fall onto the screening screen. The screening screen can screen out batteries that are too large and not fully crushed, reducing the production of defective products. When the first rack and gear abut against each other, causing the gear to rotate, the abutting rod below the gear rotates with the gear. The abutting block can abut against the push block, causing the screening screen to slide on the mounting rod. As the gear continues to rotate, the abutting block and the push block will disengage. At the moment of disengagement, the vibration spring abuts against the end wall of the screening screen, causing the screening screen to swing back and forth on the mounting rod. The swinging screening screen can disperse the waste batteries piled up on top, which is beneficial for screening the waste batteries. At the same time, the reciprocating rotation of the gear can drive the screening screen to swing, achieving low cost.

[0016] Preferably, the side wall of the casing is provided with a screen unloading port, and a sealing door is rotatably provided at the screen unloading port. The vibration spring at the end of the screening screen facing the screen unloading port abuts against the sealing door, and the vibration spring and the screening screen can be detached from the mounting rod.

[0017] By adopting the above technical solution, rotating the sealing door will separate the sealing door from the unloading port, which will also separate the vibration spring and the screening screen from the installation rod, making it convenient to recycle and re-grind the waste batteries screened on the screening screen.

[0018] Preferably, a plurality of guide rollers are symmetrically and rotatably arranged on the inner wall of the abutting groove, and the abutting block abuts against the guide rollers.

[0019] By adopting the above technical solution, when the sliding component drives the sliding column to slide in the sliding groove, the abutting block slides in the abutting groove, and the guide roller rotates. The guide roller can reduce the friction between the abutting block and the inner wall of the abutting groove, thereby reducing wear and extending its service life.

[0020] Preferably, the rotating assembly includes a driving gear, a driven gear, and a motor. The driven gear is disposed at the end of the rotating roller, and two driven gears mesh with each other. The motor is disposed outside the housing, and the driving gear is connected to the drive shaft of the motor. The driving gear meshes with one of the driven gears.

[0021] By adopting the above technical solution, the motor drives the active gear to rotate, the active gear and the driven gear collide, the two driven gears collide, driving the two rotating rollers to rotate relative to each other, thereby controlling the relative movement of the grinding blocks to grind the waste batteries. The structure is simple, stable, and easy to maintain.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. By setting up a housing, grinding rollers, a feed hopper, rotating rollers, sliding columns, abutting blocks, grinding blocks, sliding grooves, abutting grooves, grinding grooves, and sliding components, waste battery packs enter the housing through the feed hopper. The rotating components drive two rotating rollers to rotate simultaneously, and the grinding blocks crush the waste batteries. The sliding components drive two sliding columns to slide in opposite directions simultaneously. When the sliding columns slide in the sliding grooves, the staggered grinding blocks can slide in opposite directions simultaneously along the length of the sliding columns. The grinding blocks can perform preliminary crushing and grinding of the waste batteries by rotating with the rotating rollers, and the grinding blocks can further crush and grind the waste batteries by sliding horizontally with the sliding columns using the sliding components. This enhances the grinding effect and improves the subsequent energy recovery rate.

[0024] 2. By setting up a hydraulic cylinder, connecting ring, first rack, linkage gear, guide plate and second rack, during grinding, the rotating component drives the rotating roller to rotate and the sliding column to rotate synchronously. The connecting ring can rotate in the connecting groove. At the same time, the piston rod of the hydraulic cylinder extends and retracts. The first rack drives one of the sliding columns to slide in the sliding groove. When the first rack slides, it drives the linkage gear to abut against the second rack, thereby controlling the other sliding column to slide in the opposite direction in the sliding groove. It can quickly control the grinding blocks on the two sliding columns to slide in opposite directions. The control is convenient and fast, and it can achieve a good crushing effect.

[0025] 3. By setting up an installation rod, a screening screen, a vibrating spring, a contact rod, and a lever, when the first rack abuts against the gear and drives the gear to rotate, the contact block can abut against the lever, causing the screening screen to slide on the installation rod. At the instant the contact block disengages from the lever, the vibrating spring abuts against the end wall of the screening screen, causing the screening screen to swing back and forth on the installation rod. The swinging screening screen can disperse the waste batteries piled up on top. The screening screen can screen batteries that are large in size and not fully crushed. At the same time, the reciprocating rotation of the gear can drive the screening screen to swing, achieving low cost. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of a waste battery recycling and grinding device provided in an embodiment of this application.

[0027] Figure 2 This is a cross-sectional view used to illustrate the grinding roller in the embodiments of this application.

[0028] Figure 3 This is a schematic diagram illustrating the rotating component and the sliding component in the embodiments of this application.

[0029] Figure 4 yes Figure 3 Enlarged view of section A.

[0030] Explanation of reference numerals in the attached drawings: 1. Machine casing; 11. Feed hopper; 2. Grinding roller; 21. Rotating roller; 211. Sliding groove; 212. Grinding groove; 22. Sliding column; 23. Abutting block; 231. Abutting groove; 24. Grinding block; 31. Hydraulic cylinder; 32. Connecting ring; 321. Connecting groove; 33. First rack; 34. Linkage gear; 35. Guide plate; 36. Second rack; 4. Surface bearing; 5. Mounting rod; 51. Screening screen; 52. Vibration spring; 61. Abutting rod; 62. Pulley; 7. Screen unloading port; 71. Sealing door; 8. Guide roller; 91. Drive gear; 92. Driven gear; 93. Motor. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0032] This application discloses a waste battery recycling and grinding device. (Refer to...) Figure 1 and Figure 2 The machine comprises a housing 1, grinding rollers 2, and a feed hopper 11. Two grinding rollers 2 are rotatably arranged inside the housing 1, with their length direction aligned with the length direction of the housing 1. The feed hopper 11 is fixedly mounted on the housing 1, positioned directly above the grinding rollers 2. A rotating assembly is provided on the housing 1. The grinding rollers 2 include a rotating roller 21, a sliding column 22, an abutment block 23, and a grinding block 24. Both ends of the rotating roller 21 are rotatably connected to the inner wall of the housing 1. The rotating assembly is interconnected with the rotating roller 21 to drive the rotating roller 21 to rotate.

[0033] Reference Figure 2 A sliding groove 211 is provided at the end of the rotating roller 21 away from the rotating component, and the length direction of the sliding groove 211 is set along the length direction of the rotating roller 21. A sliding column 22 is slidably disposed in the sliding groove 211, and the sliding column 22 penetrates the housing 1. The sliding column 22 and the sliding groove 211 are mutually adapted to each other, and the sliding column 22 can slide within the sliding groove. An abutment block 23 is integrally disposed on the surface of the sliding column 22. An abutment groove 231 is provided on the inner wall of the sliding groove 211, and the abutment block 23 is slidably disposed in the abutment groove 231. When the rotating component drives the rotating roller 21 to rotate, the abutment groove 231 can rotate with the abutment block 23, so as to drive the sliding column 22 and the rotating roller 21 to rotate synchronously.

[0034] Reference Figure 3 Several grinding blocks 24 are symmetrically arranged on the surface of the sliding column 22. The grinding blocks 24 are arc-shaped and pointed. The length direction of the grinding blocks 24 is along the length direction of the sliding column 22. The inner wall of the sliding groove 211 is provided with a grinding groove 212 along its length direction for the grinding blocks 24 to pass through and slide. The grinding blocks 24 on the two rotating rollers 21 are arranged alternately. The waste battery packs enter the machine housing 1 through the feed hopper 11. The rotating assembly drives the two rotating rollers 21 to rotate relative to each other. The rotating rollers 21 drive the sliding column 22 to rotate synchronously through the abutment block 23, which in turn drives the grinding blocks 24 on the two sliding columns 22 to rotate relative to each other. The grinding blocks 24 can crush the waste batteries. The housing 1 is equipped with a sliding component. When the rotating component continuously drives the grinding roller 2 to rotate relative to each other, the sliding component works intermittently. The sliding component can drive the two sliding columns 22 to slide in opposite directions in the sliding groove 211, while the abutting block 23 can slide in the abutting groove 231, and the grinding block 24 can slide in the grinding groove 212. The staggered grinding blocks 24 can slide in opposite directions along the length of the sliding column 22 at the same time. The grinding blocks 24 can crush the waste battery from another direction.

[0035] Reference Figure 2A number of guide rollers 8 are symmetrically and rotatably arranged on the inner wall of the abutment groove 231. The length direction of the guide rollers 8 is arranged along the height of the abutment groove 231. The abutment block 23 abuts against the guide rollers 8. When the sliding component drives the sliding column 22 to slide in the sliding groove 211, the abutment block 23 slides in the abutment groove 231. The guide rollers 8 rotate. The guide rollers 8 can reduce the friction between the abutment block 23 and the inner wall of the abutment groove 231, thereby reducing wear and extending the service life of the device.

[0036] Reference Figure 3 and Figure 4 The sliding assembly includes a hydraulic cylinder 31, a connecting ring 32, a first rack 33, a linkage gear 34, a guide plate 35, and a second rack 36. A connecting groove 321 is provided at the end of the sliding column 22 located outside the housing 1. The length direction of the connecting groove 321 is along the circumference of the sliding column 22. The connecting ring 32 is rotatably disposed within the connecting groove 321 and is coaxially arranged with the sliding column 22. The hydraulic cylinder 31 is fixedly mounted on the outer wall of the housing 1. The piston rod of the hydraulic cylinder 31 is connected to the first rack 33, whose length direction is along the length direction of the sliding column 22. The first rack 33 is fixedly mounted to one of the connecting rings 32. The guide plate 35 is fixedly mounted on the outer wall of the housing 1. The second rack 36 is slidably connected to the guide plate 35, and the second rack 36 is parallel to the first rack 33. The second rack 36 is fixedly mounted to the other connecting ring 32. The linkage gear 34 is rotatably mounted on the outer wall of the housing 1, and the linkage gear 34 simultaneously meshes with the first rack 33 and the second rack 36. During grinding, the rotating assembly drives the rotating roller 21 to rotate and the sliding column 22 to rotate synchronously. The connecting ring 32 can rotate within the connecting groove 321. By extending and retracting the piston rod of the hydraulic cylinder 31, the hydraulic cylinder 31 drives the first rack 33 to slide. The first rack 33 drives one of the connecting blocks to abut against the inner wall of the connecting groove 321, thereby driving one of the sliding columns 22 to slide within the sliding groove 211. When the first rack 33 slides, it abuts against the linkage gear 34, driving the linkage gear 34 to rotate. The linkage gear 34 then abuts against the second rack 36, causing the second rack 36 to drive another connecting block to abut against the inner wall of the connecting groove 321. This controls the other sliding column 22 to slide in the opposite direction within the sliding groove 211, quickly controlling the grinding blocks 24 on the two sliding columns 22 to slide in opposite directions. At the same time, the hydraulic cylinder 31 has a large force, which can achieve a good crushing effect.

[0037] Reference Figure 4 A planar bearing 4 is symmetrically arranged on the inner wall of the connecting groove 321. One end of the planar bearing 4 is connected to the inner wall of the connecting groove 321, and the other end of the planar bearing 4 is connected to the connecting ring 32. The planar bearing 4 reduces the friction between the connecting block and the inner wall of the connecting groove 321, which helps to reduce the wear on the connecting groove 321 and the connecting block, thereby extending the service life of the device.

[0038] Reference Figure 1 and Figure 3 An installation rod 5 is welded and fixed to the inner wall of the housing 1. The length of the installation rod 5 is along the width of the housing 1. A screening screen 51 is slidably mounted on the installation rod 5, and the screening screen 51 is located directly below the grinding roller 2. A set of vibration springs 52 is sleeved on the installation rod 5, one of which abuts against one end of the screening screen 51, and the other vibration spring 52 abuts against the other end of the screening screen 51. A linkage assembly is provided between the linkage gear 34 and the screening screen 51. The linkage assembly includes an abutment rod 61 and a lever 62. The lever 62 is fixedly mounted on the side wall of the screening screen 51 and penetrates the housing 1. The abutment rod 61 is fixedly mounted at the bottom end of the linkage gear 34, and the length of the abutment rod 61 is along the vertical direction. After being crushed and ground by two grinding rollers 2, the waste batteries fall onto the screening screen 51. The screening screen 51 can block and screen larger batteries that are not fully crushed. When the first rack 33 abuts against the gear and drives the gear to rotate, the abutting rod 61 below the gear rotates with the gear. The abutting block 23 can abut against the pusher block 62, causing the screening screen 51 to slide on the mounting rod 5. As the gear continues to rotate, the abutting block 23 and the pusher block 62 will disengage. At the moment of disengagement, the vibration spring 52 abuts against the end wall of the screening screen 51, causing the screening screen 51 to swing back and forth on the mounting rod 5. The swinging screening screen 51 can disperse the waste batteries piled up on top, which is beneficial for screening waste batteries and avoids accumulation. At the same time, the reciprocating rotation of the gear can drive the screening screen 51 to swing, achieving low cost.

[0039] Reference Figure 1 and Figure 3 The side wall of the casing 1 is provided with a screen discharge port 7. A sealing door 71 is rotatably installed at the screen discharge port 7. The vibration spring 52 of the screening screen 51 facing the screen discharge port 7 abuts against the sealing door 71. Rotating the sealing door 71 will disengage the sealing door 71 from the screen discharge port 7, and the vibration spring 52 and the screening screen 51 can be disengaged from the mounting rod 5, which facilitates the recycling and re-grinding of the waste batteries screened on the screening screen 51.

[0040] Reference Figure 3 The rotating assembly includes a drive gear 91, a driven gear 92, and a motor 93. The driven gear 92 is located at the end of the rotating roller 21 and is coaxially arranged with the rotating roller 21. The two driven gears 92 mesh with each other. The motor 93 is mounted on the outside of the housing 1 by bolts. The drive gear 91 is connected to the drive shaft of the motor 93, and the drive gear 91 meshes with one of the driven gears 92. The motor 93 drives the drive gear 91 to rotate, and the drive gear 91 abuts against the driven gear 92. The two driven gears 92 abut against each other, causing the two rotating rollers 21 to rotate relative to each other, thereby controlling the relative movement of the grinding blocks 24 to grind the waste batteries. The structure is simple, stable, and easy to maintain.

[0041] The implementation principle of the waste battery recycling grinding device in this application embodiment is as follows: the waste battery tubes enter the machine housing 1 through the feeding hopper 11. The motor 93 drives the drive gear 91 and the driven gear 92 to rotate, thereby controlling the two rotating rollers 21 to rotate simultaneously. When the rotating rollers 21 rotate, the abutting groove 231 will abut against the abutting block 23, thereby driving the sliding column 22 to rotate, so that the sliding column 22 and the rotating roller 21 rotate synchronously. As a result, the grinding blocks 24 on the two sliding columns 22 will rotate relative to each other, and the grinding blocks 24 will perform preliminary crushing and crushing of the waste batteries. When the grinding roller 2 rotates, the hydraulic cylinder 31 operates intermittently. The hydraulic cylinder 31 drives the first rack 33 to slide, causing one of the connecting blocks to abut against the inner wall of the connecting groove 321. This, in turn, causes one of the sliding columns 22 to slide within the sliding groove 211. As the first rack 33 slides, it abuts against the linkage gear 34, causing the linkage gear 34 to rotate. The linkage gear 34 then abuts against the second rack 36, causing the second rack 36 to drive another connecting block to abut against the inner wall of the connecting groove 321, thereby controlling the other sliding column 22. The grinding blocks 24 on the two sliding columns 22 slide in opposite directions within the sliding groove 211, which can quickly control the grinding blocks 24 to slide in opposite directions. The grinding blocks 24 can crush the waste batteries from another direction. The grinding blocks 24 can perform preliminary crushing and grinding of the waste batteries by rotating with the rotating roller 21. The grinding blocks 24 can slide horizontally with the sliding column 22 by the sliding component. The staggered grinding blocks 24 can further crush and grind the waste batteries, thereby enhancing the grinding effect and improving the subsequent energy recovery rate.

[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A waste battery recycling grinding device, comprising a housing (1), grinding rollers (2), and a feeding hopper (11), wherein two grinding rollers (2) are rotatably arranged inside the housing (1), and the feeding hopper (11) is fixedly arranged on the housing (1) and located directly above the grinding rollers (2), and the housing (1) is provided with a rotating assembly for driving the two grinding rollers (2) to rotate relative to each other, characterized in that: The grinding roller (2) includes a rotating roller (21), a sliding column (22), an abutment block (23), and a grinding block (24). Both ends of the rotating roller (21) are rotatably connected to the inner wall of the housing (1). The rotating assembly is interconnected with the rotating roller (21). One end of the rotating roller (21) has a sliding groove (211). The sliding column (22) is slidably disposed within the sliding groove (211). The sliding column (22) and the sliding groove (211) are mutually adapted. The abutment block (23) is fixedly disposed on the surface of the sliding column (22). The inner wall of the sliding groove (211) is provided with an abutment groove (231), and the abutment block (23) is slidably disposed in the abutment groove (231); several grinding blocks (24) are symmetrically arranged on the surface of the sliding column (22); the inner wall of the sliding groove (211) is provided with a grinding groove (212) for the grinding blocks (24) to pass through and slide; the grinding blocks (24) on the two rotating rollers (21) are staggered; a sliding assembly is provided on the housing (1), and the sliding assembly is used to drive the two sliding columns (22) to slide in opposite directions at the same time.

2. The waste battery recycling and grinding device according to claim 1, characterized in that: The sliding assembly includes a hydraulic cylinder (31), a connecting ring (32), a first rack (33), a linkage gear (34), a guide plate (35), and a second rack (36). The sliding column (22) penetrates the housing (1), and a connecting groove (321) is provided on the sliding column (22). The connecting ring (32) is rotatably disposed in the connecting groove (321). The hydraulic cylinder (31) is fixedly disposed on the outer wall of the housing (1). The piston rod of the hydraulic cylinder (31) is connected to the first rack (33). The first rack (33) is fixed to one of the connecting rings (32), the guide plate (35) is fixedly mounted on the outer wall of the housing (1), the second rack (36) is slidably connected to the guide plate (35), the second rack (36) is fixed to the other connecting ring (32), the linkage gear (34) is rotatably mounted on the outer wall of the housing (1), and the linkage gear (34) meshes with the first rack (33) and the second rack (36) at the same time.

3. The waste battery recycling and grinding device according to claim 2, characterized in that: A planar bearing (4) is symmetrically arranged on the inner wall of the connecting groove (321). One end of the planar bearing (4) is connected to the inner wall of the connecting groove (321), and the other end of the planar bearing (4) is connected to the connecting ring (32).

4. The waste battery recycling grinding device according to claim 2, characterized in that: An installation rod (5) is fixedly installed on the inner wall of the housing (1). A screening screen (51) is slidably installed on the installation rod (5). A set of vibration springs (52) is sleeved on the installation rod (5). One vibration spring (52) abuts against one end of the screening screen (51), and the other vibration spring (52) abuts against the other end of the screening screen (51). A linkage component is provided between the linkage gear (34) and the screening screen (51). The linkage component is used to drive the screening screen (51) to slide back and forth on the installation rod (5) when the linkage gear (34) rotates.

5. The waste battery recycling grinding device according to claim 4, characterized in that: The linkage component includes an abutment rod (61) and a lever (62). The lever (62) is fixedly mounted on the side wall of the screening screen (51) and penetrates the housing (1). The abutment rod (61) is fixedly mounted at the bottom end of the linkage gear (34) and can abut against the lever (62).

6. The waste battery recycling grinding device according to claim 4, characterized in that: The side wall of the housing (1) is provided with a screen unloading port (7), and a sealing door (71) is rotatably provided at the screen unloading port (7). The vibration spring (52) of the end of the screening screen (51) facing the screen unloading port (7) abuts against the sealing door (71). The vibration spring (52) and the screening screen (51) can be detached from the mounting rod (5).

7. The waste battery recycling and grinding device according to claim 1, characterized in that: A plurality of guide rollers (8) are symmetrically rotated on the inner wall of the abutment groove (231), and the abutment block (23) abuts against the guide rollers (8).

8. The waste battery recycling grinding device according to claim 1, characterized in that: The rotating assembly includes a drive gear (91), a driven gear (92), and a motor (93). The driven gear (92) is located at the end of the rotating roller (21), and the two driven gears (92) mesh with each other. The motor (93) is located outside the housing (1). The drive gear (91) is connected to the drive shaft of the motor (93), and the drive gear (91) meshes with one of the driven gears (92).

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