Shredding machine and lithium battery shredding and recycling line

Abstract

The utility model discloses a shredder, which comprises a material box, a shredding device, a shredding device, a shredding device and a control device, wherein a cavity with an upward opening is formed in the material box; the shredding mechanism comprises a motor, a transmission shaft, a plurality of movable cutters, a tandem connection rod, a fixed cutter, a lower pressing block and an upper pressing block, the transmission shaft is rotationally connected into the cavity along the rotating axis in the front-back direction, the motor is in driving connection with the transmission shaft and can drive the transmission shaft to rotate, and the movable cutters are arranged on the transmission shaft at intervals in the front-back direction; the upper pressing block and / or the lower pressing block are / is connected to the inner side of the cavity, the multiple fixed cutters are arranged on the series connection rod in the front-back direction at intervals, the upper pressing block and / or the lower pressing block are / is connected to the inner side of the cavity, the multiple fixed cutters are pressed on the lower pressing block through the upper pressing block, and the multiple fixed cutters and the multiple movable cutters are staggered. And the relative positions of a plurality of fixed cutters and a plurality of movable cutters can be conveniently and simultaneously adjusted, so that the operation and use efficiency of the shredding machine is greatly improved. The utility model further discloses a lithium battery shredding and recycling line.

Description

Technical Field

[0001] The utility model relates to a crushing device, in particular to a shredder and a lithium battery shredding recycling line. Background Art

[0002] Lithium batteries are composed of positive and negative electrodes, binders, electrolytes, diaphragms, and external protective layers. In the recycling process, a shredder is first used to shred lithium batteries to obtain different recycled materials. In the actual use of the shredder, the shredder blade will be damaged. When the shredder blade is damaged, it needs to be replaced with a new one. The shredder blade includes multiple moving blades and fixed blades. It is time-consuming and laborious to disassemble and assemble multiple moving blades and fixed blades from the shredder one by one, and the convenience of use is poor. Therefore, a shredder with higher use efficiency is urgently needed. Utility Model Content

[0003] The utility model aims to provide a shredder and a lithium battery shredding and recycling line to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0004] The solution of the utility model to solve the technical problem is:

[0005] A shredder comprises: a material box, which is formed with a cavity opening upward; a shredding mechanism, which comprises a motor, a transmission shaft, a movable knife, a serial rod, a fixed knife, a lower pressure block and an upper pressure block, the transmission shaft is rotatably connected to the cavity along the rotation axis in the front-to-back direction, the motor is driven and connected to the transmission shaft, and the motor can drive the transmission shaft to rotate, a plurality of movable knives are arranged on the transmission shaft at intervals along the front-to-back direction, a plurality of fixed knives are arranged on the serial rod at intervals along the front-to-back direction, the upper pressure block and / or the lower pressure block are both connected to the inner side of the cavity, the upper pressure block presses a plurality of fixed knives respectively onto the lower pressure block, and the plurality of fixed knives and the plurality of movable knives are staggered with each other.

[0006] This technical solution has at least the following beneficial effects: when assembling the whole, first use the serial rod to connect the multiple fixed knives in series to form a whole module, and then clamp the upper pressing block and the lower pressing block to the top and bottom sides of the multiple fixed knives respectively. Before clamping, the position of the fixed knives can be adjusted along the length direction of the serial rod to facilitate the adjustment of the relative position of the fixed knives and the moving knives, and then the upper pressing block and the lower pressing block are locked and fixed to the inside of the cavity, so as to fix the whole module to the inside of the cavity, and the multiple moving knives are installed on the transmission shaft. When in use, the required The shredded recycled batteries are put into the cavity, and the motor drives the multiple movable knives to rotate through the transmission shaft. The multiple movable knives and multiple fixed knives that are staggered from each other shred the batteries during relative rotation. When the fixed knife is damaged and needs maintenance, the upper pressure block or the lower pressure block is removed from the cavity. At this time, the entire module can be taken out, which improves the convenience of replacing the fixed knife. This improves the convenience of replacing and maintaining the fixed knife and the movable knife, and facilitates the simultaneous adjustment of the relative positions of the multiple fixed knives and the multiple movable knives, greatly improving the operating efficiency of the shredder.

[0007] As a further improvement of the above technical solution, an upper groove is provided on the bottom side of the upper pressing block, and a lower groove is provided on the top side of the lower pressing block, and the top ends of the plurality of fixed knives are respectively inserted into the upper grooves, and the bottom ends of the plurality of fixed knives are respectively inserted into the lower grooves. By inserting the top end of the fixed knives into the upper groove of the upper pressing block for positioning, and inserting the bottom end of the fixed knives into the lower groove of the lower pressing block for positioning, multiple fixed knives can be quickly assembled, and the installation stability of the fixed knives is greatly improved.

[0008] As a further improvement of the above technical solution, a pad is provided between the upper pressure block and the fixed knife, and a plurality of clamping bolts are connected to the upper pressure block, and the plurality of clamping bolts respectively clamp the pad to the top sides of the plurality of fixed knives. The plurality of clamping bolts further clamp the fixed knives downward through the pad, and when the positions of the plurality of fixed knives need to be adjusted, the plurality of clamping bolts can be loosened first so that the pad does not clamp the plurality of fixed knives, and then the plurality of fixed knives can be locked again, so that the convenience of adjusting the fixed knives can be further improved.

[0009] As a further improvement of the above technical solution, the front and rear sides of the material box are respectively connected with a tightening bolt, and the two tightening bolts respectively press the multiple fixed knives in the front and rear direction. After the multiple fixed knives form a module on the serial rod, the two tightening bolts can be driven in from the front and rear sides of the material box, and the module formed by the multiple fixed knives can be tightened in the front and rear direction. When the front and rear positions of the multiple fixed knives need to be adjusted, the positions of the two tightening bolts can be further adjusted front and rear, further improving the efficiency of adjusting the positions of the fixed knives.

[0010] As a further improvement of the above technical solution, a first spacer is provided between two adjacent fixed knives, and a plurality of the first spacers are respectively sleeved on the series connecting rod. The fixed knives and the first spacers are arranged at intervals on the series connecting rod, which can better define the position of the fixed knives and improve the installation stability of the fixed knives on the series connecting rod.

[0011] As a further improvement of the above technical solution, a second spacer is provided between two adjacent moving knives, and a plurality of the second spacers are respectively sleeved on the transmission shaft. The moving knives and the second spacers are arranged at intervals on the transmission shaft, which can better define the position of the moving knives and improve the installation stability of the moving knives on the transmission shaft.

[0012] As a further improvement of the above technical solution, the material box includes a lower box body and an upper cover plate, the front and rear sides of the lower box body are respectively provided with lower mounting grooves, the front and rear sides of the lower box body are respectively connected to the upper cover plates, the positions of the two upper cover plates facing the lower mounting grooves are respectively provided with upper mounting grooves, and the outer side of the transmission shaft is sleeved with two bearings, and the two bearings are respectively installed in the two upper mounting grooves and the two lower mounting grooves. After the two upper cover plates are respectively connected and fixed to the front and rear sides of the lower box body, the upper mounting grooves and the lower mounting grooves facing each other form an area for limiting the installation of the bearings, so as to fix the outer ring of the bearings, thereby improving the convenience of installing the transmission shaft.

[0013] As a further improvement of the above technical solution, the two upper covers are detachably connected to the front and rear sides of the lower box body. The two upper covers can be removed from the lower box body. When the movable blade needs to be replaced, the upper cover can be removed from the lower box body, and then the transmission shaft and the movable blade can be taken out together, so that the movable blade can be easily replaced, further improving the operating efficiency of the shredder.

[0014] As a further improvement of the above technical solution, two shredding mechanisms are arranged side by side, and the multiple moving knives in the two shredding mechanisms are staggered with each other. The two shredding mechanisms work simultaneously, and the moving knives and the fixed knives in the same shredding mechanism are staggered with each other to shred the poured batteries, and the moving knives between the two adjacent shredding mechanisms can also be staggered with each other to push the batteries between the moving knives and the fixed knives, thereby improving the shredding efficiency of the batteries.

[0015] A lithium battery shredding recycling line comprises a feed conveyor, an air inlet valve, a feed cover, a discharge cover, a discharge conveyor, and the above-mentioned shredder, wherein the feed conveyor is connected to the top of the feed cover through the air inlet valve, the bottom end of the feed cover is connected to the top side of the material box, the bottom side of the material box is connected to the top of the discharge cover, and the bottom end of the discharge cover is connected to the feed end of the discharge conveyor.

[0016] This technical solution has at least the following beneficial effects: the battery is conveyed by the feed conveyor through the air inlet valve and the feed cover into the shredder, and the battery is shredded by the shredder, and a protective gas, such as nitrogen, can be added to the shredder in the air inlet valve to improve the safety of the shredder during operation, and the shredded material falls from the discharge cover into the discharge conveyor and is discharged from the discharge conveyor, so that the battery can be continuously fed in, shredded and recycled, and the safety during operation is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following is a brief description of the drawings required for the description of the embodiments. Obviously, the drawings described are only part of the embodiments of the present utility model, not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.

[0018] Figure 1 It is a three-dimensional diagram of the shredder of the present utility model.

[0019] Figure 2 It is a top view of the material box of the utility model and the shredding mechanism inside the material box.

[0020] Figure 3 yes Figure 2 Schematic diagram of the AA cross-section structure.

[0021] Figure 4 It is a three-dimensional diagram of the material box of the utility model after removing an upper cover plate.

[0022] In the accompanying drawings: 11-motor, 12-moving knife, 13-serial rod, 14-lower pressure block, 15-upper pressure block, 151-tightening bolt, 16-tensioning bolt, 17-first spacer, 18-second spacer, 19-fixed knife, 21-lower box, 22-upper cover. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection relationships mentioned in the text do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connecting accessories according to the specific implementation situation. The various technical features in the invention can be combined interchangeably without conflicting with each other.

[0024] Reference Figures 1 to 4 A shredder comprises: a material box, which is formed with a cavity opening upward; a shredding mechanism, which comprises a motor 11, a transmission shaft, a movable knife 12, a serial rod 13, a fixed knife 19, a lower pressure block 14 and an upper pressure block 15, wherein the transmission shaft is rotatably connected to the cavity along the rotation axis in the front-to-back direction, the motor 11 drives the transmission shaft, and the motor 11 can drive the transmission shaft to rotate, a plurality of movable knives 12 are arranged on the transmission shaft at intervals along the front-to-back direction, a plurality of fixed knives 19 are arranged on the serial rod 13 at intervals along the front-to-back direction, the upper pressure block 15 and / or the lower pressure block 14 are both connected to the inner side of the cavity, the upper pressure block 15 presses the plurality of fixed knives 19 onto the lower pressure block 14 respectively, and the plurality of fixed knives 19 and the plurality of movable knives 12 are staggered with each other.

[0025] In this shredder, when the whole is assembled, the plurality of fixed knives 19 are first connected in series by using the connecting rod 13 to form a whole module, and then the upper pressing block 15 and the lower pressing block 14 are clamped on the top and bottom sides of the plurality of fixed knives 19 respectively. Before clamping, the position of the fixed knives 19 can be adjusted along the length direction of the connecting rod 13 to facilitate the adjustment of the relative position of the fixed knives 19 and the moving knives 12, and then the upper pressing block 15 and the lower pressing block 14 are locked and fixed to the inside of the cavity, so as to realize the fixing of the whole module to the inside of the cavity, and the plurality of moving knives 12 are installed on the transmission shaft. When in use, the materials to be shredded and recycled are The battery is put into the cavity, and the motor 11 drives the multiple movable knives 12 to rotate through the transmission shaft. The multiple movable knives 12 and the multiple fixed knives 19 that are staggered from each other tear the battery into pieces when they rotate relative to each other. When the fixed knife 19 is damaged and needs maintenance, the upper pressing block 15 or the lower pressing block 14 is removed from the cavity. At this time, the entire module can be taken out, which improves the convenience of replacing the fixed knife 19. In this way, the convenience of replacing and maintaining the fixed knife 19 and the movable knife 12 is improved, and the relative positions of the multiple fixed knives 19 and the multiple movable knives 12 are adjusted simultaneously, which greatly improves the operating efficiency of the shredder.

[0026] The side surface of the upper pressing block 15 and the lower pressing block 14 clamping the fixed knife 19 can be a plane. In order to further improve the clamping stability of the fixed knife 19, in this embodiment, the bottom side of the upper pressing block 15 is provided with an upper groove, and the top side of the lower pressing block 14 is provided with a lower groove. The top ends of the plurality of fixed knives 19 are respectively inserted into the upper grooves, and the bottom ends of the plurality of fixed knives 19 are respectively inserted into the lower grooves. By inserting the top end of the fixed knife 19 into the upper groove of the upper pressing block 15 for positioning, and inserting the bottom end of the fixed knife 19 into the lower groove of the lower pressing block 14 for positioning, the plurality of fixed knives 19 can be quickly assembled, and the installation stability of the fixed knives 19 is greatly improved.

[0027] After the fixed knife 19 is matched to the upper groove and the lower groove for quick positioning, in order to further press the fixed knife 19 in the up and down direction, in this embodiment, a pad is provided between the upper pressing block 15 and the fixed knife 19, and a plurality of clamping bolts 151 are connected to the upper pressing block 15, and the plurality of clamping bolts 151 respectively press the pad against the top sides of the plurality of fixed knives 19. The plurality of clamping bolts 151 further press the fixed knife 19 downward through the pad, and when the position of the plurality of fixed knives 19 needs to be adjusted, the plurality of clamping bolts 151 can be loosened first, so that the pad does not press the plurality of fixed knives 19, and then the plurality of fixed knives 19 can be locked again, so that the convenience of adjusting the fixed knives 19 can be further improved.

[0028] Furthermore, the front and rear sides of the material box are respectively connected with a tightening bolt 16, and the two tightening bolts 16 respectively press the multiple fixed knives 19 in the front and rear direction. After the multiple fixed knives 19 form a module on the serial rod 13, the two tightening bolts 16 can be driven in from the front and rear sides of the material box, and the module formed by the multiple fixed knives 19 can be tightened in the front and rear direction. When the front and rear positions of the multiple fixed knives 19 need to be adjusted, the positions of the two tightening bolts 16 can be further adjusted front and rear, further improving the efficiency of adjusting the positions of the fixed knives 19.

[0029] A structure for locking the fixed knife 19 can be directly provided on the serial rod 13, and in order to improve the stability of positioning the fixed knife 19 on the serial rod 13, in this embodiment, a first spacer 17 is provided between two adjacent fixed knives 19, and a plurality of the first spacers 17 are respectively sleeved on the serial rod 13. The fixed knives 19 and the first spacers 17 are arranged at intervals on the serial rod 13, which can better define the position of the fixed knives 19 and improve the installation stability of the fixed knives 19 installed on the serial rod 13. Here, one tightening bolt 16 can tighten one fixed knife 19, and another tightening bolt 16 can tighten the first spacer 17.

[0030] Similarly, a second spacer 18 is provided between two adjacent movable knives 12, and a plurality of the second spacers 18 are respectively sleeved on the transmission shaft. The movable knives 12 and the second spacers 18 are arranged at intervals on the transmission shaft, which can better define the position of the movable knives 12 and improve the installation stability of the movable knives 12 on the transmission shaft.

[0031] Holes can be directly opened on the front and rear sides of the material box, and the transmission shaft is passed through the holes on the front and rear sides, and bearings are installed in the holes on the front and rear sides of the material box, so as to realize the installation and connection of the transmission shaft. In order to further improve the installation efficiency of the transmission shaft, in this embodiment, the material box includes a lower box body 21 and an upper cover plate 22, and the front and rear sides of the lower box body 21 are respectively provided with lower installation grooves, and the front and rear sides of the lower box body 21 are respectively connected with the upper cover plates 22, and the positions of the two upper cover plates 22 facing the lower installation grooves are respectively provided with upper installation grooves, and the outer side of the transmission shaft is sleeved with two bearings, and the two bearings are respectively installed in the two upper installation grooves and the two lower installation grooves. After the two upper cover plates 22 are respectively connected and fixed to the front and rear sides of the lower box body 21, the upper installation grooves and the lower installation grooves facing each other form an area for limiting the installation of the bearings, so as to fix the outer ring of the bearings, so as to improve the convenience of installing the transmission shaft.

[0032] Furthermore, the two upper covers 22 are detachably connected to the front and rear sides of the lower box 21. The two upper covers 22 can be removed from the lower box 21. When the movable blade 12 needs to be replaced, the upper covers 22 can be removed from the lower box 21, and then the transmission shaft can be taken out together with the movable blade 12, so that the movable blade 12 can be easily replaced, further improving the operating efficiency of the shredder.

[0033] The number of the shredding mechanism can be one or more. In this embodiment, two shredding mechanisms are arranged side by side, and the multiple moving knives 12 in the two shredding mechanisms are staggered with each other. The two shredding mechanisms work simultaneously, and the moving knives 12 and the fixed knives 19 in the same shredding mechanism are staggered with each other to shred the poured batteries, and the moving knives 12 between two adjacent shredding mechanisms can also be staggered with each other to push the batteries between the moving knives 12 and the fixed knives 19, thereby improving the shredding efficiency of the batteries.

[0034] A lithium battery shredding recycling line comprises a feed conveyor, an air inlet valve, a feed cover, a discharge cover, a discharge conveyor, and the above-mentioned shredder, wherein the feed conveyor is connected to the top of the feed cover through the air inlet valve, the bottom end of the feed cover is connected to the top side of the material box, the bottom side of the material box is connected to the top of the discharge cover, and the bottom end of the discharge cover is connected to the feed end of the discharge conveyor.

[0035] In this lithium battery shredding and recycling line, the battery is conveyed by the feed conveyor through the air inlet valve and the feed cover and then enters the shredder, which shreds the battery. In the air inlet valve, protective gas, such as nitrogen, can be added to the shredder to improve the safety of the shredder during operation. The shredded material falls from the discharge cover to the discharge conveyor and is discharged from the discharge conveyor. In this way, the battery can be continuously fed in for shredding and recycling, and the safety during operation is improved.

[0036] In addition, the material box and the feed cover, the material box and the discharge cover, the air inlet valve and the feed cover, and the discharge cover and the discharge conveyor are all sealed to reduce the oxygen in the air from entering the cavity of the material box. During the entire shredding process, the cavity of the material box is monitored in real time through an oxygen detector, temperature sensor, flame detector and nitrogen detector, and the feed speed, nitrogen flow rate and other parameters are controlled through the control system to ensure the safety of the entire shredding process.

[0037] The preferred implementation modes of the present invention are specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A shredder, characterized in that: include: A material box formed with a cavity opening upward; The shredding mechanism comprises a motor (11), a transmission shaft, a movable knife (12), a connecting rod (13), a fixed knife (19), a lower pressing block (14) and an upper pressing block (15); the transmission shaft is rotatably connected to the cavity along a rotation axis in the front-to-back direction; the motor (11) is driven and connected to the transmission shaft; the motor (11) can drive the transmission shaft to rotate; a plurality of movable knives (12) are arranged on the transmission shaft at intervals along the front-to-back direction; a plurality of fixed knives (19) are arranged on the connecting rod (13) at intervals along the front-to-back direction; the upper pressing block (15) and / or the lower pressing block (14) are both connected to the inner side of the cavity; the upper pressing block (15) presses the plurality of fixed knives (19) onto the lower pressing block (14) respectively; and the plurality of fixed knives (19) and the plurality of movable knives (12) are staggered with each other.

2. A shredder according to claim 1, characterized in that: The bottom side of the upper pressing block (15) is provided with an upper groove, the top side of the lower pressing block (14) is provided with a lower groove, the top ends of the plurality of fixed knives (19) are respectively inserted into the upper groove, and the bottom ends of the plurality of fixed knives (19) are respectively inserted into the lower groove.

3. A shredder according to claim 1, characterized in that: A pad is provided between the upper pressing block (15) and the fixed knife (19), and a plurality of clamping bolts (151) are connected to the upper pressing block (15), and the plurality of clamping bolts (151) respectively clamp the pad against the top sides of the plurality of fixed knives (19).

4. A shredder according to claim 1, characterized in that: The front and rear sides of the material box are respectively connected with tightening bolts (16), and the two tightening bolts (16) respectively press the plurality of fixed knives (19) in the front and rear directions.

5. A shredder according to claim 1, characterized in that: A first spacer sleeve (17) is arranged between two adjacent fixed knives (19), and a plurality of the first spacer sleeves (17) are respectively sleeved on the series connecting rod (13).

6. A shredder according to claim 1, characterized in that: A second spacer sleeve (18) is arranged between two adjacent movable knives (12), and a plurality of the second spacer sleeves (18) are respectively sleeved on the transmission shaft.

7. A shredder according to claim 1, characterized in that: The material box comprises a lower box body (21) and an upper cover plate (22), the front and rear sides of the lower box body (21) are respectively provided with lower mounting grooves, the front and rear sides of the lower box body (21) are respectively connected to the upper cover plates (22), the two upper cover plates (22) are respectively provided with upper mounting grooves at positions opposite to the lower mounting grooves, the outer side of the transmission shaft is sleeved with two bearings, and the two bearings are respectively installed in the two upper mounting grooves and the two lower mounting grooves.

8. A shredder according to claim 7, characterized in that: The two upper cover plates (22) are detachably connected to the front and rear sides of the lower box body (21).

9. A shredder according to claim 1, characterized in that: Two shredding mechanisms are arranged side by side, and the multiple movable knives (12) in the two shredding mechanisms are staggered with each other.

10. A lithium battery shredding and recycling line, characterized by: A shredder comprising a feed conveyor, an air inlet valve, a feed hood, a discharge hood, a conveyor, and any one of claims 1 to 8, wherein the feed conveyor is connected to the top of the feed hood through the air inlet valve, the bottom of the feed hood is connected to the top side of the material box, the bottom side of the material box is connected to the top of the discharge hood, and the bottom of the discharge hood is connected to the feed end of the conveyor.

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