Shredding machine for recycling lithium batteries

Abstract

The utility model discloses a shredding machine for recycling lithium batteries. The shredding machine comprises a rack, a box body, a shredding cutter assembly, a driving assembly and a driven assembly, the cutter bodies are distributed on the cutter shaft in the spiral line mode, when materials are shredded, the cutting edges of the cutter bodies can conduct cutting at different points of the materials, cutting force is strong, the materials with large hardness are easily broken, and energy consumption is reduced under the condition that the materials are the same. The cutter body with the spiral structure can smoothly push the materials into the crushing cavity, so that the height of the materials in the center of the crushing cavity is reduced, and the blanking efficiency is improved; and a gap is formed between the cutter body on the cutter shaft and the bearing seat, so that materials are prevented from entering the bearing in the crushing process of the materials in the crushing cavity, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery recycling, and in particular to a shredder for lithium battery recycling. Background Technology

[0002] Currently, in the field of lithium battery recycling, the lithium battery recycled material to be dismantled is generally put into the shredding chamber of a shredder, and the lithium battery material is initially shredded by the shredder. The shredder mainly reduces the size of the material through shearing, tearing and extrusion, so that it can be further decomposed and processed in subsequent processes.

[0003] Existing shredders typically have two cutter shafts pivotally connected inside the crushing chamber of the casing. The two ends of the cutter shafts are pivotally connected to the ends of the crushing chamber via bearings. A motor drives the cutters on the two shafts to rotate, thereby shearing, compressing, and tearing the material, allowing the crushed material to enter the recycling area. However, during the crushing process, the sheared material tends to stick to the cutter shafts, affecting their rotation; and when crushing harder materials such as copper and iron, the blades are easily damaged by the impact of the material.

[0004] Furthermore, as the material being decomposed enters the shredder, during the high-speed rotation of the crushing blades, the material in the crushing chamber or the electrolyte after crushing can easily enter the bearings at both ends of the blade shaft, thereby damaging the bearings and affecting the working efficiency and service life of the shredder. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a shredder for lithium battery recycling, which can realize continuous shredding of lithium batteries, thereby effectively improving the shredding efficiency of lithium batteries.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] This utility model discloses a shredder for lithium battery recycling, comprising a frame, a housing fixed to the frame, a shredding blade assembly rotatably disposed within the housing, and a drive assembly and a driven assembly respectively disposed on both sides of the housing. The housing is used to contain lithium battery recycling materials, and the shredding blade assembly is used to shred the lithium battery recycling materials contained within the housing. Both the drive assembly and the driven assembly are used to drive the shredding blade assembly to rotate. A crushing chamber is formed inside the housing, and bearing seats and bearings are provided on both sides of the crushing chamber. The shredding blade assembly includes a blade shaft, multiple blades sleeved on the blade shaft, and spacers. The spacers are used to separate two adjacent blades. Both ends of the blade shaft are pivotally connected to the bearing seats via the bearings, and the multiple blades are arranged at intervals along the axial direction of the blade shaft.

[0008] As a preferred embodiment of this utility model, the drive assembly includes a motor fixed to the frame, a large gear fixedly connected to the end of the cutter shaft, a small gear meshing with the large gear, and a fixing seat for fixing the small gear, the fixing seat being fixed to the side of the housing; a driving pulley is coaxially provided at the output end of the motor; a driven pulley is coaxially provided with the small gear; a protective cover is provided on the outside of the large gear and the small gear, the protective cover being fixedly connected to one side of the housing.

[0009] As a preferred embodiment of this utility model, the number of shredder assemblies is two, the two shredder assemblies are arranged in parallel and intersecting, and the blades on the two shredder assemblies are arranged radially and intersectingly along the blade axis, which is used to shred the recycled material while rotating and squeezing it into the blade body.

[0010] As a preferred embodiment of this utility model, the driven component includes two meshing driven gears and a safety cover covering the driven gears. The two driven gears are respectively fixed to the ends of the cutter shaft and keyed to the cutter shaft. The safety cover is fixedly connected to the side wall of the housing.

[0011] As a preferred embodiment of this utility model, there are four bearing seats, the bearing is fixedly connected to the inner side of each bearing seat, the side of the bearing seat is provided with a bearing end cover, and the end of the cutter shaft is pivotally connected to the bearing seat 7 through the bearing.

[0012] As a preferred embodiment of this utility model, there are multiple blade bodies and multiple spacers, and the blade bodies and spacers are alternately spaced along the axial direction of the blade shaft.

[0013] As a preferred technical solution of this utility model, a plurality of the blades are evenly distributed in a spiral on the blade shaft. The main body of the blade is square, and the four corners of the square are provided with conical blades for cutting materials. The material of the blade is alloy steel.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. The blades are arranged in a spiral pattern on the cutter shaft. When shredding materials, the cutter shaft rotates once, and the blades of multiple blades can cut at different points on the material. The cutting force is strong, making it easy to crush materials with high hardness, and reducing energy consumption under the same material conditions. The spiral structure of the blades can push the material smoothly into the crushing chamber, reducing the probability of material piling up in the center of the crushing chamber and blocking the feed inlet of the shredder box, thus improving the material discharge efficiency.

[0016] 2. A gap is formed between the cutter body on the cutter shaft and the bearing seat. During the crushing process in the crushing chamber, even if the recovered material is pushed towards the bearing through the cutter shaft, it will fall through the gap. The spacers at both ends of the cutter shaft prevent electrolyte and other materials from entering the bearings at both ends and causing damage to the bearings, thus improving the service life of the equipment. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is the front view of this utility model;

[0020] Figure 3 This is a sectional view of the present invention;

[0021] Figure 4 This is a schematic diagram of the internal structure of this utility model;

[0022] Figure 5 This is a top view of the interior of this utility model;

[0023] Figure 6 This is a schematic diagram of the cutter shaft of this utility model;

[0024] In the diagram: 1. Frame; 2. Housing; 3. Shredder assembly; 4. Drive assembly; 5. Driven assembly; 6. Crushing chamber; 7. Bearing housing; 8. Cutter shaft; 9. Cutter body; 10. Spacer; 11. Motor; 12. Protective cover; 13. Drive pulley; 14. Driven pulley; 15. Large gear; 16. Small gear; 17. Fixed base; 18. Driven gear; 19. Safety cover; 20. Bearing; 21. Bearing end cover. Detailed Implementation

[0025] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0026] In the attached diagram, all identical reference numerals refer to the same components.

[0027] like Figures 1-6As shown, this utility model provides a shredder for lithium battery recycling, including a frame 1, a housing 2 fixed to the frame 1, a shredding blade assembly 3 rotatably disposed within the housing 2, and a drive assembly 4 and a driven assembly 5 respectively disposed on both sides of the housing 2. The housing 2 is used to contain lithium battery recycling materials, and the shredding blade assembly 3 is used to shred the lithium battery recycling materials contained in the housing 2. Both the drive assembly 4 and the driven assembly 5 are used to drive the shredding blade assembly 3 to rotate. A crushing chamber 6 is formed inside the housing 2, with a feed inlet on the upper side of the housing 2 and a discharge outlet on the bottom of the housing 2. The drive assembly 4 drives the shredding blade assembly 3 to rotate. The lithium battery recycling materials to be shredded enter the housing 2 through the feed inlet and are fully squeezed and shredded by the shredding blade assembly 3 in the crushing chamber 6, becoming smaller fragments that are discharged from the discharge outlet, thus realizing the shredding of the recycling materials.

[0028] In this embodiment, bearing seats 7 and bearings 20 are provided on both sides of the crushing chamber 6. The bearing seats 7 and bearings 20 on both sides are symmetrically arranged. The shredder assembly 3 is disposed between the two bearing seats 7. The shredder assembly 3 includes a blade shaft 8, a plurality of blades 9 sleeved on the blade shaft 8, and a spacer 10. The spacer 10 is used to separate two adjacent blades 9. The two ends of the blade shaft 8 are pivotally connected to the bearing seats 7 through the bearings 20. The plurality of blades 9 are arranged at intervals along the axial direction of the blade shaft 8.

[0029] Furthermore, the drive assembly 4 includes a motor 11 bolted to the frame, a large gear 15 fixedly connected to the end of the cutter shaft 8, a small gear 16 meshing with the large gear 15, and a mounting base 17 for fixing the small gear 16. Preferably, the large gear 15 is fixed to the cutter shaft 8 by a key connection, and the large gear 15 is located outside the bearing seat 7; the mounting base 17 is bolted to the column on the side of the housing 2, and the large gear 15 meshes with the small gear 16 to drive the large gear 15 to rotate; a drive pulley 13 is coaxially provided at the output end of the motor 11; a driven pulley 14 is coaxially provided with the small gear 16, and the drive pulley 13 and the driven pulley 14 are connected by a belt to transmit the power of the motor 11 to the small gear 16; a protective cover 12 covers the outside of the large gear 15 and the small gear 16, and the protective cover 12 is fixedly connected to one side of the housing 2 by a threaded connection.

[0030] Furthermore, such as Figures 4-5 As shown, there are two shredder assembly 3s, which are arranged in parallel and cross each other. The blades 9 on the two shredder assembly 3s are arranged radially and staggered along the blade shaft 8. The blades 9 on each blade shaft 8 are correspondingly arranged with the spacers 10 on the adjacent blade shaft 8. When the blade shaft 8 rotates, the blades 9 squeeze the shorter recycled material into the spacers 10 on the opposite side, while the longer recycled material is torn by the adjacent blades 9. In this way, the recycled material is shredded while being squeezed into the blades 9, thus achieving effective shredding of the recycled material.

[0031] Furthermore, the driven assembly 5 includes two meshing driven gears 18 and a safety cover 19 covering the driven gears 18. Preferably, the two driven gears 18 are arranged in parallel and are respectively fixed to the ends of the cutter shaft 8, both located outside the bearing seat 7. The driven gears 18 are keyed to the cutter shaft 8 to drive the cutter shaft 8 to rotate. The safety cover 19 is fixedly connected to the side wall of the housing 2 by bolts to protect the driven gears 18.

[0032] Furthermore, such as Figures 3-4 As shown, there are four bearing seats 7. Each bearing seat 7 has a bearing 20 inside to support the cutter shaft 8. The side of the bearing seat 7 has a bearing end cover 21, which is fixed to the side wall of the housing 2 by a threaded connection for limiting the bearing seat 7. Preferably, the bottom of each bearing seat 7 is fixed to the top of the frame 1 by a threaded connection. A spacer 10 is provided between the bearing seat 7 and the cutter body 9. The end of the cutter shaft 8 is pivotally connected to the bearing seat 7 through the bearing 20. A gap is formed between the cutter body 9 on the cutter shaft 8 and the bearing seat 7. During the crushing process of the recovered material in the crushing chamber 6, even if the recovered material is pushed towards the bearing 20 through the cutter shaft 8, it will fall through the gap. The spacers 10 at both ends of the cutter shaft 8 prevent electrolyte and other materials from entering the bearings 20 at both ends and causing damage to the bearings 20, thereby improving the service life of the equipment.

[0033] Furthermore, such as Figures 4-5 As shown, there are multiple cutter bodies 9 and spacers 10. The cutter bodies 9 and spacers 10 are alternately spaced along the axial direction of the cutter shaft 8. Preferably, the width of each cutter body 9 is equal to the width of each spacer 10. Multiple threaded holes are provided on both sides of the cutter body 9 for fixing the side of the cutter body 9 to the adjacent spacer 10. The spacer 10 has a connecting hole in the center and is connected to the cutter shaft 8 by a key. Threads are provided at both ends of the cutter shaft 8. The two outermost cutter bodies 9 are fastened to the cutter shaft 8 by lock nuts. In this way, the cutter bodies 9 and spacers 10 are fixed to the cutter shaft 8 as a whole and can rotate together with the cutter shaft 8. Both the cutter bodies 9 and spacers 10 can be removed from the cutter shaft 8 for easy replacement and maintenance of the cutter bodies 9.

[0034] Furthermore, multiple blades 9 are evenly distributed in a spiral pattern on the cutter shaft 8. Preferably, the blades 9 have a connecting hole in the middle and are fixed to the cutter shaft 8 by a key. The main body of the blades 9 is square, and the four corners of the square are provided with conical blades for cutting materials. When the blades 9 rotate, the blades of the spirally arranged blades 9 can cut at different points of the material, resulting in strong cutting force, easy crushing of hard materials, and reduced energy consumption under the same material conditions. The spiral structure of the blades 9 can smoothly push the material into the crushing chamber 6, reducing the probability of the material piling up in the center of the crushing chamber 6 and blocking the feed inlet of the shredder box, thus improving the material discharge efficiency. The blades 9 are made of high-hardness alloy steel, which can easily shred copper and aluminum parts in lithium battery recycling materials.

[0035] The method of using this utility model is as follows:

[0036] 1. Start motor 11. Motor 11 drives pinion 16 to rotate. Pinion 16 drives gear 15 to rotate, thereby driving the first cutter shaft 8 connected to gear 15 to rotate. Through the transmission of driven gear 18, it drives the other cutter shaft 8 to rotate, thus realizing the rotation of two cutter shafts 8, which in turn drives the cutter body 9 on the cutter shaft 8 to rotate.

[0037] 2. The lithium battery recycling material to be shredded is conveyed to the feed port on the box 2 via a conveyor belt (not shown). Under the action of gravity, it enters the crushing chamber 6 through the funnel and is fully squeezed and shredded by multiple blades 9 in the crushing chamber 6.

[0038] 3. The fully shredded recycled material falls through the discharge port at the bottom of the box 2.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A shredder for lithium battery recycling, characterized in that, The device includes a frame (1), a housing (2) fixed to the frame (1), a shredder assembly (3) rotatably disposed within the housing (2), and a drive assembly (4) and a driven assembly (5) respectively disposed on both sides of the housing (2). The housing (2) is used to contain lithium battery recycled materials, and the shredder assembly (3) is used to shred the lithium battery recycled materials contained within the housing (2). The drive assembly (4) and the driven assembly (5) are both used to drive the shredder assembly (3) to rotate. (2) A crushing chamber (6) is formed inside. Both sides of the crushing chamber (6) are provided with bearing seats (7) and bearings (20). The shredder assembly (3) includes a blade shaft (8), a plurality of blades (9) sleeved on the blade shaft (8) and a spacer (10). The spacer (10) is used to separate two adjacent blades (9). The two ends of the blade shaft (8) are pivotally connected to the bearing seats (7) through the bearings (20). The plurality of blades (9) are arranged at intervals along the axial direction of the blade shaft (8).

2. The shredder for lithium battery recycling according to claim 1, characterized in that, The drive assembly (4) includes a motor (11) fixed on the frame, a large gear (15) fixedly connected to the end of the cutter shaft (8), a small gear (16) meshing with the large gear (15), and a fixing seat (17) for fixing the small gear (16). The fixing seat (17) is fixed to the side of the housing (2). The output end of the motor (11) is coaxially provided with a drive pulley (13). The small gear (16) is coaxially provided with a driven pulley (14). The large gear (15) and the small gear (16) are covered with a protective cover (12). The protective cover (12) is fixedly connected to one side of the housing (2).

3. A shredder for lithium battery recycling according to claim 1, characterized in that, The number of the shredder assembly (3) is two, and the two shredder assemblies (3) are arranged in parallel and cross each other. The blades (9) on the two shredder assemblies (3) are arranged radially and staggered along the blade shaft (8) to shred the recycled material while rotating and squeezing it into the blades (9).

4. A shredder for lithium battery recycling according to claim 1, characterized in that, The driven assembly (5) includes two meshing driven gears (18) and a safety cover (19) covering the driven gears (18). The two driven gears (18) are respectively fixed to the ends of the cutter shaft (8) and keyed to the cutter shaft (8). The safety cover (19) is fixedly connected to the side wall of the housing (2).

5. A shredder for lithium battery recycling according to claim 1, characterized in that, There are four bearing seats (7). The bearing (20) is fixedly connected to the inside of each bearing seat (7). The bearing seat (7) has a bearing end cover (21) on its side. The end of the cutter shaft (8) is pivotally connected to the bearing seat (7) through the bearing (20).

6. A shredder for lithium battery recycling according to claim 1, characterized in that, The number of the blade body (9) and the spacer (10) are both multiple, and the blade body (9) and the spacer (10) are alternately spaced along the axial direction of the blade shaft (8).

7. A shredder for lithium battery recycling according to claim 1, characterized in that, Multiple blades (9) are evenly distributed in a spiral on the blade shaft (8). The main body of the blade (9) is square, and the four corners of the square are provided with conical blades for cutting materials. The material of the blade (9) is alloy steel.

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