A harmless treatment device and process for waste leather materials

Abstract

A harmless treatment device and process for waste leather is provided to address the technical problem mentioned in the background art of existing waste leather crushing devices. Due to the relatively fixed position of the filter plate, waste leather falls onto the filter plate after crushing for filtration. When the diameter of the crushed leather waste is larger than the diameter of the holes on the filter plate, a large amount of leather waste accumulates on the filter plate, thus affecting the filtration effect. The device includes a crushing box containing a crushing component for crushing waste leather. A first screening plate is slidably disposed within the crushing box and located below the crushing component. A pressing component for compressing the crushed leather is located at the bottom of the crushing box. Two guide plates are fixedly disposed within the crushing box to guide the crushed leather to the pressing component, both located below the first screening plate. A driving component is provided on the crushing box for synchronously driving the crushing component and the first screening plate.

Description

Technical Field

[0001] This invention relates to the field of leather processing technology, specifically to a harmless treatment device and process for waste leather materials. Background Technology

[0002] Background technology for waste leather shredding equipment involves the use of advanced shredding technologies and equipment to effectively process and reuse waste leather materials. This includes equipment such as blade shredders and jaw crushers, used to shred waste leather into small pieces or granules to facilitate subsequent recycling processes. Advanced technologies focus on shredding efficiency, energy consumption control, and equipment durability to ensure that waste leather is fully utilized and to reduce environmental impact.

[0003] Existing leather processing equipment, such as the utility model patent document with authorization announcement number "CN219151140U" and patent name "A Leather Crushing and Recycling Equipment", discloses a harmless treatment device and process for waste leather materials, including a crushing chamber, which is the outer shell of the crushing and recycling equipment, with a filter box connected to its lower end; a feeding chamber, which is fixedly installed in the upper middle part of the crushing chamber, and the two sides of the feeding chamber are hollow; cylinders, which are all fixedly installed on the side of the feeding chamber; piston rods, which are all penetrating the inner side of the feeding chamber, and the piston rods are telescopically connected to the cylinders; through holes, which are all opened in the inner wall of the feeding chamber; cutters, which are all fixedly installed at the end of the piston rod away from the cylinders, and the cutters are through the through holes; a filter plate, which is fixedly installed in the inner middle part of the filter box; a filter screen, which is installed in the middle of the filter plate, and the filter screen and filter plate are U-shaped; and an auger roller, which is all located in the upper middle part of the filter screen.

[0004] In the aforementioned patent document, because the position of the filter plate is relatively fixed, the waste leather falls onto the filter plate after being crushed for filtration. When the diameter of the crushed leather waste is larger than the diameter of the holes on the filter plate, a large amount of leather waste accumulates on the filter plate, thereby affecting the filtration effect of the filter plate. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a harmless treatment device and process for waste leather materials. This invention solves the technical problem mentioned in the background art: in existing waste leather crushing devices, the filter plate is relatively fixed in position, and after the waste leather is crushed, it falls onto the filter plate for filtration. When the diameter of the crushed leather waste is larger than the diameter of the holes on the filter plate, a large amount of leather waste accumulates on the filter plate, thus affecting the filtration effect of the filter plate.

[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution:

[0007] A harmless treatment device and process for waste leather includes a crushing box, a crushing component for crushing waste leather is provided inside the crushing box, a first screening plate is slidably arranged inside the crushing box and located below the crushing component, a pressing component for pressing the crushed leather is provided at the bottom of the crushing box, two guide plates for guiding the crushed leather to the pressing component are fixed inside the crushing box and both guide plates are located below the first screening plate, and a driving component for synchronously driving the crushing component and the first screening plate is provided on the crushing box.

[0008] Working principle:

[0009] First, the leather waste to be crushed is placed into the crushing box. The crushing component and the first screening plate are driven by the drive component. The crushing component in the crushing box can shear and crush the leather waste. The crushed leather waste can fall onto the first screening plate. By moving the first screening plate, the crushed leather waste can be prevented from accumulating on the first screening plate. Then, the crushed leather waste falls through the first screening plate between two guide plates and enters the extrusion component. The extrusion component can compress the crushed leather waste, thereby compressing the leather waste into blocks.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] First, it is equipped with a crushing component, which can crush leather waste, thereby improving the density of the leather waste during the pressing process.

[0012] Secondly, a first screening plate is provided, which can screen the crushed leather waste. The size of the crushed leather can be controlled by screening.

[0013] Third, a drive component is provided, which can synchronously drive the crushing component and the first screening plate.

[0014] Fourth, it is equipped with a compression component, which can compress the leather waste after crushing, thereby reducing the volume occupied by the leather waste. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of the rear view structure according to an embodiment of the present invention;

[0017] Figure 3 for Figure 1 Enlarged cross-sectional view of point A in the middle;

[0018] Figure 4 for Figure 2Enlarged structural diagram at point B;

[0019] Figure 5 This is a schematic diagram of the front structure of an embodiment of the present invention;

[0020] Figure 6 This is a schematic diagram of the extrusion chamber and the third pusher block.

[0021] Explanation of reference numerals in the attached drawings: 1. Crushing box; 2. First screening plate; 3. Guide plate; 4. First rotating shaft; 5. Crushing roller; 6. First gear; 7. Guide rail; 8. Slider; 9. Rack; 10. Second rotating shaft; 11. Half gear; 12. Second gear; 13. Third rotating shaft; 14. Third gear; 15. Motor; 16. Sprocket; 17. Chain; 18. First hydraulic cylinder; 19. First push block; 20. Crushing chamber; 21. Second hydraulic cylinder; 22. Second push block; 23. Third push block; 24. Second screening plate; 25. Connecting rod; 26. Waste bin; 27. Mounting column; 28. Through rod; 29. ​​Spring; 30. Detailed Implementation

[0022] The technical solutions of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Example:

[0024] like Figure 1 and Figure 2 As shown, a harmless treatment device and process for waste leather includes a crushing box 1. The crushing box 1 is equipped with a crushing component for crushing waste leather. The crushing component includes two first rotating shafts 4, two crushing rollers 5, and two first gears 6. The two first rotating shafts 4 are rotatably mounted inside the crushing box 1. The two crushing rollers 5 are respectively fixed on the two first rotating shafts 4. The two first gears 6 are respectively fixed on the two first rotating shafts 4 and mesh with each other. By rotating one of the first rotating shafts 4, the first gear 6 on that first rotating shaft 4 is driven to rotate, so that the two meshing first gears 6 can rotate. In turn, the two first rotating shafts 4 rotate in opposite directions, driving the two crushing rollers 5 to crush the waste leather.

[0025] like Figure 1 and Figure 2 and Figure 3As shown, a first screening plate 2 is slidably disposed inside the crushing chamber 1 and is located below the crushing assembly. Guide rails 7 are fixed on both sides of the inner wall of the crushing chamber 1, and sliders 8 are slidably disposed within each of the two guide rails 7. The first screening plate 2 is detachably disposed between the two sliders 8. The first screening plate 2 can move within the crushing chamber 1 through the cooperation of the guide rails 7 and the sliders 8. The first screening plate 2 and the sliders 8 are detachably connected by bolts. A rack 9 is fixed on both sides of one of the sliders 8. Two second rotating shafts 10 are rotatably disposed on the crushing chamber 1, and half-gears 11 are fixed on each of the two second rotating shafts 10. The two half-gears 11 are respectively used to mesh with the two racks 9. Two second rotating shafts 10 are each fixed with a second gear 12. A third rotating shaft 13 is rotatably mounted on the crushing box 1. A third gear 14 is fixed on the third rotating shaft 13 and meshes with the two second gears 12 respectively. The third rotating shaft 13 drives the third gear 14, which in turn drives the two second gears 12 to rotate. Thus, the two second gears 12 drive the two second rotating shafts 10 to rotate. In turn, the rotation of the two second rotating shafts 10 drives the two half gears 11 to rotate. When the two half gears 11 rotate, they mesh with the rack 9 respectively, thereby driving the rack 9 to reciprocate. In turn, the rack 9 drives the slider 8 to reciprocate.

[0026] like Figure 2 and Figure 4 As shown, the crushing box 1 is equipped with a drive assembly for synchronously driving the crushing component and the first screening plate 2. The drive assembly includes a motor 15, two sprockets 16, and a chain 17. The output end of the motor 15 is fixedly connected to one of the first rotating shafts 4. The two sprockets 16 are respectively fixed to one of the first rotating shafts 4 and the third rotating shaft 13. The chain 17 is sleeved on the outer ring of the two sprockets 16. The motor 15 can drive one of the first rotating shafts 4 to rotate. The rotation of the first rotating shaft 4 can drive the sprockets 16 to rotate. The rotation of the sprockets 16 can drive the chain 17. Thus, the rotation of the first rotating shaft 4 can synchronously drive the rotation of the third rotating shaft 13.

[0027] like Figure 5 and Figure 6As shown, the bottom of the crushing chamber 1 is equipped with a crushing assembly for crushing the pulverized leather. The crushing assembly includes a first hydraulic cylinder 18, a first push block 19, a crushing chamber 20, a second hydraulic cylinder 21, a second push block 22, a third hydraulic cylinder 23, and a third push block 24. The first hydraulic cylinder 18 is fixed to the crushing chamber 1, and its telescopic end slides into the crushing chamber 1. The first push block 19 is fixed to the telescopic end of the first hydraulic cylinder 18 and can be driven by the first hydraulic cylinder 18. The crushing chamber 20 is fixed outside the crushing chamber 1 and the crushing chamber 24 is... One side of the compression chamber 20 is connected to the inside of the crushing chamber 1. The first push block 19 is used to push the leather waste that has passed through the first screening plate 2 into the compression chamber 20. The second hydraulic cylinder 21 is fixed on the crushing chamber 1 with its telescopic end facing the compression chamber 20. The second push block 22 is fixed on the telescopic end of the second hydraulic cylinder 21 and can slide through into the compression chamber 20. The third hydraulic cylinder 23 is fixed outside the crushing chamber 1 with its telescopic end opposite to the telescopic end of the first hydraulic cylinder 18. The third push block 24 is fixed on the telescopic end of the third hydraulic cylinder 23. In the initial state, the telescopic end of the third hydraulic cylinder 23 is extended, the third push block 24 overlaps with the side of the compression chamber 20, the telescopic end of the second hydraulic cylinder 21 is extended, and the second push block 22 overlaps with the top surface of the compression chamber 20. After the first push block 19 has finished compressing the leather waste, the telescopic end of the third hydraulic cylinder 23 retracts, and the compressed leather waste can be taken out from the compression chamber 20.

[0028] like Figure 1 and Figure 2 As shown, two guide plates 3 are fixed inside the crushing chamber 1 to guide the crushed leather to the extrusion assembly. Both guide plates 3 are located below the first screening plate 2. A second screening plate 25 is rotatably mounted on one of the guide plates 3, extending towards the other guide plate 3 and sliding through the crushing chamber 1 outwards. The second screening plate 25 is used to screen the leather waste that has passed through the first screening plate 2. A connecting rod 26 is rotatably mounted on the outer end of the second screening plate 25, and the other end of the connecting rod 26 is rotatably mounted on one of the second gears 12. A waste box 27 is located outside the crushing chamber 1, and the waste box 27 is located below the second screening plate 25. The rotation of the second gear 12 causes the connecting rod 26 to move in a circular motion along the axis of the second rotating shaft 10, thereby causing the second screening plate 25 to oscillate up and down. The diameter of the holes on the first screening plate 2 is larger than the diameter of the holes on the second screening plate 25.

[0029] like Figure 1 and Figure 2As shown, a hollow mounting column 28 is fixed on the outer wall of the crushing box 1. A through rod 29 is slidably provided inside the mounting column 28. A spring 30 is fixed inside the mounting column 28, and the two ends of the spring 30 are respectively fixed to the inner wall of the mounting column 28 and the end of the through rod 29. The end of the through rod 29 away from the spring 30 abuts against the bottom of the second screening plate 25. The cooperation between the through rod 29 and the spring 30 can provide a certain buffer when the second screening plate 25 contacts the through rod 29.

[0030] A waste leather processing technology, using the aforementioned equipment, includes the following steps:

[0031] S1: The waste leather material is put into the crushing box 1, and the crushing component crushes the waste leather material;

[0032] S2: The shredded waste leather material passes through the first screening plate 2;

[0033] S3: Waste leather materials passing through the first screening plate 2 pass through the second screening plate 25;

[0034] S4: Waste leather material passing through the second screening plate 25 is extruded and shaped by the extrusion assembly.

[0035] Working principle:

[0036] First, the operator puts the leather waste to be crushed into the crushing box 1. Then, the operator starts the motor 15, which drives the first rotating shaft 4 to rotate. The first rotating shaft 4 drives the first gear 6 to rotate, and the two meshing first gears 6 rotate, causing the two first rotating shafts 4 to rotate in opposite directions. In turn, the two first rotating shafts 4 drive the two crushing rollers 5 to crush the leather waste. The crushed leather waste falls onto the first screening plate 2. The first rotating shaft 4 drives the sprocket 16 to rotate, the sprocket 16 drives the chain 17, and the chain 17 drives the sprocket 16 on the third rotating shaft 13 to rotate. In turn, the third rotating shaft 13 drives the third gear 14 to rotate, and the rotation of the third gear 14 drives the two second gears 12 to rotate. The rotation of the two second gears 12 drives the two second rotating shafts 10 to rotate, and in turn, the two second rotating shafts 10 drive the two half gears 11 to rotate. The two half gears 11 mesh with the rack 9, so the rack 9 can drive the slider 8 to move back and forth in the crushing box 1. In turn, the first screening plate 2 can screen the crushed leather waste.

[0037] After being screened, the leather waste falls onto the second screening plate 25. The second gear 12 drives the connecting rod 26 to rotate, thereby driving the second screening plate 25 to vibrate up and down. The second screening screen can then screen the leather waste again. Afterward, the operator starts the second hydraulic cylinder 21 and the third hydraulic cylinder 23. The second push block 22 and the third push block 24 on the second hydraulic cylinder 21 and the third hydraulic cylinder 23 can overlap with the top and side of the extrusion chamber 20, respectively. Then, the first hydraulic cylinder 18 is started, which drives the first push block 19 to move into the extrusion chamber 20 to extrude the leather waste. After the leather waste is extruded, the operator starts the third hydraulic cylinder 23 to remove the extruded leather waste from the extrusion chamber 20.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A harmless treatment device and process for waste leather materials, characterized in that, The device includes a crushing box (1), which is equipped with a crushing component for crushing waste leather. A first screening plate (2) is slidably disposed inside the crushing box (1) and is located below the crushing component. A pressing component for pressing the crushed leather is disposed at the bottom of the crushing box (1). Two guide plates (3) are fixed inside the crushing box (1) for guiding the crushed leather to the pressing component and both guide plates (3) are located below the first screening plate (2). A driving component for synchronously driving the crushing component and the first screening plate (2) is disposed on the crushing box (1).

2. The harmless treatment equipment and process for waste leather materials according to claim 1, characterized in that: The crushing assembly includes two first rotating shafts (4), two crushing rollers (5) and two first gears (6). The two first rotating shafts (4) are rotatably disposed inside the crushing box (1). The two crushing rollers (5) are respectively fixed on the two first rotating shafts (4). The two first gears (6) are respectively fixed on the two first rotating shafts (4) and the two first gears (6) mesh with each other.

3. The harmless treatment equipment and process for waste leather materials according to claim 2, characterized in that: The inner walls of the crushing box (1) are fixed with guide rails (7) on both sides, and sliders (8) are slidably arranged in the two guide rails (7). The first screening plate (2) is detachably arranged between the two sliders (8).

4. The harmless treatment equipment and process for waste leather materials according to claim 3, characterized in that: One of the sliders (8) is fixed with racks (9) on both sides. Two second shafts (10) are rotatably mounted on the crushing box (1). Half gears (11) are fixed on both second shafts (10) and the two half gears (11) are respectively used to mesh with the two racks (9). Second gears (12) are fixed on both second shafts (10). A third shaft (13) is rotatably mounted on the crushing box (1). A third gear (14) is fixed on the third shaft (13) and the third gear (14) meshes with the two second gears (12) respectively.

5. The harmless treatment equipment and process for waste leather materials according to claim 4, characterized in that: The drive assembly includes a motor (15), two sprockets (16) and a chain (17). The output end of the motor (15) is fixedly connected to one of the first rotating shafts (4). The two sprockets (16) are respectively fixed on one of the first rotating shafts (4) and the third rotating shaft (13). The chain (17) is sleeved on the outer ring of the two sprockets (16).

6. The equipment and process for the harmless treatment of waste leather materials according to claim 1, characterized in that: The extrusion assembly includes a first hydraulic cylinder (18), a first push block (19), an extrusion chamber (20), a second hydraulic cylinder (21), a second push block (22), a third hydraulic cylinder (23), and a third push block (24). The first hydraulic cylinder (18) is fixed on the crushing chamber (1), and its telescopic end slides into the crushing chamber (1). The first push block (19) is fixed on the telescopic end of the first hydraulic cylinder (18). The extrusion chamber (20) is fixed outside the crushing chamber (1), and one side of the extrusion chamber (20) communicates with the inside of the crushing chamber (1). The first push block (19) The second hydraulic cylinder (21) is fixed on the crushing box (1) and the extension end of the second hydraulic cylinder (21) faces the crushing box (20). The second push block (22) is fixed on the extension end of the second hydraulic cylinder (21) and can slide through into the crushing box (20). The third hydraulic cylinder (23) is fixed outside the crushing box (1) and the extension end of the third hydraulic cylinder (23) is opposite to the extension end of the first hydraulic cylinder (18). The third push block (24) is fixed on the extension end of the third hydraulic cylinder (23).

7. The harmless treatment equipment and process for waste leather materials according to claim 5, characterized in that: One of the guide plates (3) is rotatably provided with a second screening plate (25), and the second screening plate (25) extends toward the other guide plate (3) and slides through the crushing box (1) to extend outward. The second screening plate (25) is used to screen the leather waste that has passed through the first screening plate (2). The second screening plate (25) is rotatably provided with a connecting rod (26) at the outer end of the crushing box, and the other end of the connecting rod (26) is rotatably provided on one of the second gears (12). The crushing box (1) is provided with a waste box (27) outside, and the waste box (27) is located below the second screening plate (25).

8. The harmless treatment equipment and process for waste leather materials according to claim 7, characterized in that: A hollow mounting column (28) is fixed on the outer wall of the crushing box (1). A through rod (29) is slidably provided inside the mounting column (28). A spring (30) is fixed inside the mounting column (28), and the two ends of the spring (30) are fixed to the inner wall of the mounting column (28) and the end of the through rod (29) respectively. The end of the through rod (29) away from the spring (30) abuts against the bottom of the second screening plate (25).

9. A waste leather processing technology, characterized in that: The manufacturing process, using the manufacturing equipment described in any one of claims 1-8, is characterized by comprising the following steps: S1: The waste leather material is put into the crushing box (1), and the crushing component crushes the waste leather material; S2: The crushed waste leather material passes through the first screening plate (2); S3: Waste leather materials passing through the first screening plate (2) pass through the second screening plate (25); S4: Waste leather material passing through the second screening plate (25) is extruded and shaped by the extrusion assembly.

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