Corrugated paper box crushing device with adjustable crushing granularity

Abstract

The invention discloses a corrugated paper box smashing device capable of adjusting smashing granularity, relates to the technical field of smashing devices, solves the technical problem of smashing granularity adjustment, and comprises a smashing box with a protective hopper, a plurality of first smashing discs and a plurality of second smashing discs are rotationally installed in the smashing box and used for cutting the smashing width of a corrugated paper box, and the protective hopper is arranged on the protective hopper. An adjusting assembly for adjusting the crushing granularity is arranged in the crushing box; the adjusting assembly comprises a rectangular rotating shaft rotationally installed in the smashing box, the first smashing discs and the second smashing discs are arranged on two first springs, and the first springs and elastic protection rings are fixedly installed between the two first smashing discs and between the two second smashing discs. And the cutting width and length of corrugated paper can be conveniently and flexibly controlled, the crushing granularity of the device can be conveniently adjusted, the crushing flexibility of the device can be improved, and the crushing working efficiency of the device can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of pulverizing devices, and in particular to a corrugated paper box pulverizing device with adjustable pulverizing particle size. Background Art

[0002] Corrugated boxes are the most widely used packaging products, such as beer packaging boxes. Due to its superior performance and good processing performance, corrugated boxes have become the main force of transportation packaging. Corrugated boxes are recyclable and green products. Usually, after the corrugated boxes are recycled, the waste cardboard must be crushed before extrusion and packaging. The crushing blades of traditional waste cardboard crushing devices are generally fixed in the box. When they are damaged, it is inconvenient to take them out. For this reason, workers can only repair or replace them in the narrow box, which is very inconvenient. For example, the Chinese utility model patent with patent publication number CN207756233U solves the problem of workers' inconvenience in repairing or replacing in a narrow box.

[0003] However, the above device is not convenient for adjusting the crushing particle size of the corrugated paper box, is not convenient for flexibly controlling the width and length of the corrugated paper cutting, and is not convenient for adjustment operation, which affects the flexibility of the device's crushing, affects the working efficiency of the device's crushing, and affects the device's ability to adjust the crushing particle size. For this reason, based on the technical defects, we have proposed a corrugated paper box crushing device with adjustable crushing particle size that can solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a corrugated paper box pulverizing device with adjustable pulverizing particle size to solve the following technical problems: It is not convenient to adjust the crushing particle size of the corrugated paper box, it is not convenient to flexibly control the width and length of the corrugated paper cutting, and it is not convenient to adjust the operation, which affects the flexibility of the crushing device, affects the working efficiency of the crushing device, and affects the ability of the device to adjust the crushing particle size.

[0005] The purpose of the present invention can be achieved through the following technical solutions: A corrugated paper box pulverizing device with adjustable pulverizing particle size comprises a pulverizing box with a protective bucket, a plurality of first pulverizing discs and a plurality of second pulverizing discs are rotatably mounted in the pulverizing box for cutting the pulverizing width of the corrugated paper box, and an adjusting component for adjusting the pulverizing particle size is arranged in the pulverizing box; The adjustment assembly includes a rectangular shaft rotatably installed in a shredding box, the first shredding disc and the second shredding disc are on two first springs, and first springs and elastic protective rings are fixedly installed between the two first shredding discs and the two second shredding discs, a push plate is slidably installed on one end of the rectangular shaft, and a thread-adjustable adjustment bolt is rotatably installed on the side of the push plate away from the first shredding disc, a cutting knife for cutting the shredding length of corrugated paper boxes is slidably installed in the shredding box, a toggle rod for toggling the cutting knife is rotatably installed on the inner wall of the shredding box on the side away from the push plate, and barbs are fixedly installed on the first shredding disc and the second shredding disc.

[0006] As a further solution of the present invention: a slide groove is provided on the inner wall of the crushing box, two sliders are slidably installed in the slide groove, a second spring is fixedly installed on the back side of the two sliders, a guide rod is slidably installed on the slider, a first motor and a second motor are provided on the crushing box, and the cutting knife is fixedly installed on the slider.

[0007] As a further solution of the present invention: both ends of the guide rod are fixedly mounted on the inner wall of the slide groove, one end of the second spring away from the slider is fixedly mounted on the inner wall of the slide groove, the second spring is nested on the outer surface of the guide rod, the output end of the first motor slides through the crushing box and is fixedly mounted on the toggle rod, and the other end of the toggle rod is in sliding contact with the slider.

[0008] As a further solution of the present invention: the first spring and the elastic protective ring are nested and installed on the outer surface of the rectangular rotating shaft, the first spring is installed between the rectangular rotating shaft and the elastic protective ring, the other end of the adjusting bolt is threaded through the crushing box, and a material prevention plate is fixedly installed at one end of the push plate close to the protective bucket, and the other end of the material prevention plate slides through the crushing box.

[0009] As a further solution of the present invention: a moving component is arranged on the crushing box, and the moving component includes a rectangular through hole opened on one side near the two ends of the rectangular rotating shaft, a bidirectional screw is rotatably installed in the rectangular through hole, and moving blocks are installed through the threads at both ends of the bidirectional screw, and a third motor is fixedly installed on one side of the crushing box.

[0010] As a further solution of the present invention: the output end of the second motor slides through the moving block and is fixedly installed on the rectangular rotating shaft, the output end of the third motor slides through the rectangular through hole and is fixedly installed on the bidirectional screw, two material guide plates are fixedly installed between the first crushing disk and the cutting knife, and a material baffle plate is fixedly installed on the side of the crushing box close to the protective bucket.

[0011] As a further solution of the present invention: a collecting assembly is provided on the crushing box, and the collecting assembly includes a second conveyor belt rotatably mounted on the inner bottom wall of the crushing box, a fourth motor is fixedly mounted on the side of the crushing box close to the first motor, and an installation groove is opened on the material baffle plate, and a cleaning brush is rotatably mounted on the installation groove.

[0012] As a further solution of the present invention: two first sprockets are rotatably installed on one side of the crushing box close to the first motor, a third sprocket is fixedly installed on the output end of the first motor, and a second sprocket is fixedly installed on the output end of the fourth motor, a first chain is installed between one of the first sprockets and the third sprocket, and a second chain is installed between the other first sprocket and the second sprocket.

[0013] As a further solution of the present invention: the third sprocket and the second sprocket rotate in opposite directions, and the two first sprockets rotate relative to each other, and in the opposite direction to the rotation direction of the first shredding disk and the second shredding disk.

[0014] As a further solution of the present invention: a loading rack is fixedly mounted on the protective bucket, a first conveyor belt is rotatably mounted in the loading rack, and a loading plate is fixedly mounted on the first conveyor belt.

[0015] Beneficial effects of the present invention: The first crushing disc and the second crushing disc in the adjustment assembly cooperate with the cutting knife to adjust the width and length of the corrugated paper cutting under the adjustment of the adjustment bolt and the toggle lever, so as to facilitate the adjustment of the crushing particle size of the device, thereby improving the flexibility of the crushing device and improving the crushing work efficiency of the device; The moving block in the moving assembly is driven by the bidirectional screw to conveniently adjust the distance between the first pulverizing disk and the second pulverizing disk, so as to further cooperate with the first pulverizing disk and the cutting knife to flexibly adjust the thickness of the corrugated paper pulverizing and cutting, and to facilitate the adjustment of the pulverizing particle size of the device, which is beneficial to improving the flexibility of the device and the pulverizing efficiency of the device; The cleaning brush in the collection component has a simple structure, which avoids adding extra power when using the cleaning brush, is beneficial to saving production costs, facilitates the collection of crushed raw materials, and is beneficial to improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the top view of the structure of a corrugated paper box pulverizing device with adjustable pulverizing particle size according to the present invention; Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle; Figure 3It is a schematic diagram of the internal structure of a corrugated paper box pulverizing device with adjustable pulverizing particle size according to the present invention; Figure 4 yes Figure 3 A schematic diagram of the enlarged structure at B in the middle; Figure 5 It is a side structural schematic diagram of a corrugated paper box pulverizing device with adjustable pulverizing particle size according to the present invention; Figure 6 yes Figure 5 Schematic diagram of the enlarged structure at C in the middle; Figure 7 yes Figure 5 Schematic diagram of the enlarged structure at D in the middle; Figure 8 The present invention is a schematic diagram of the structure of a corrugated paper box pulverizing device with adjustable pulverizing particle size in a bottom view.

[0018] In the figure: 1, crushing box; 2, loading rack; 3, protection bucket; 4, adjustment component; 41, barb; 42, second motor; 43, rectangular shaft; 44, first spring; 45, elastic protection ring; 46, push plate; 47, adjustment bolt; 48, material protection plate; 49, toggle rod; 410, first motor; 411, cutting knife; 412, slider; 413, slide groove; 414, guide rod; 415, second spring; 5, moving component; 5 1. Rectangular through hole; 52. Moving block; 53. Bidirectional screw; 54. Third motor; 55. Guide plate; 56. Baffle plate; 6. Collecting assembly; 61. First chain; 62. Second conveyor belt; 63. Cleaning brush; 64. First sprocket; 65. Second sprocket; 66. Third sprocket; 67. Mounting slot; 68. Fourth motor; 69. Second chain; 7. First conveyor belt; 8. Loading plate; 9. First crushing disk; 10. Second crushing disk. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0020] See also Figure 1 - Figure 8As shown, the present invention is a corrugated paper box shredding device with adjustable shredding particle size, comprising a shredding box 1 with a protective bucket 3, the protective bucket 3 is installed on the top of the shredding box 1, and the corrugated paper box is prevented from splashing during the shredding process as much as possible. A plurality of first shredding discs 9 and a plurality of second shredding discs 10 are rotatably installed in the shredding box 1, and are used to cut the shredding width of the corrugated paper box, and cooperate with a cutting knife 411 to facilitate flexible submission of the shredding particle size of the corrugated paper box, a loading rack 2 is fixedly installed on the protective bucket 3, a first conveyor belt 7 is rotatably installed in the loading rack 2, a loading plate 8 is fixedly installed on the first conveyor belt 7, and an adjusting component 4 for adjusting the shredding particle size is arranged in the shredding box 1; The adjusting assembly 4 includes a rectangular rotating shaft 43 rotatably installed in the crushing box 1. The rectangular rotating shaft 43 is convenient for driving the first crushing disk 9 and the second crushing disk 10 to rotate and cut the corrugated paper. The first crushing disk 9 and the second crushing disk 10 are on two first springs 44. The first springs 44 and the elastic protective rings 45 are fixedly installed between the two first crushing disks 9 and the two second crushing disks 10. The first springs 44 and the elastic protective rings 45 are nested and installed on the outer surface of the rectangular rotating shaft 43. The first spring 44 is installed between the rectangular rotating shaft 43 and the elastic protective ring 45. The first spring 44 and the elastic protective ring 45 are sequentially sleeved on the outer surface of the rectangular rotating shaft 43. The elastic protective ring 45 plays a role in protecting the first spring 44. A push plate 46 is slidably installed on one end of the rectangular rotating shaft 43. A thread-adjustable adjusting bolt 47 is rotatably installed on the side of the push plate 46 away from the first crushing disk 9. The other end of the adjusting bolt 47 threadably penetrates the crushing box 1. The adjusting bolt 47 pushes the first shredding disk 9 and the second shredding disk 10 to squeeze the first spring 44 against each other through the pushing plate 46, so that the first spring 44 is in a compressed state, which is convenient for adjusting the distance between the two first shredding disks 9 and the two second shredding disks 10. The pushing plate 46 is fixedly installed with a material prevention plate 48 on one end close to the protective bucket 3. The material prevention plate 48 prevents the corrugated paper from falling on the rectangular rotating shaft 43. The other end of the material prevention plate 48 slides through the shredding box 1. A cutting knife 411 for cutting the shredding length of the corrugated paper box is slidably installed in the shredding box 1. A toggle rod 49 for toggling the cutting knife 411 is rotatably installed on the inner wall of the shredding box 1 away from the pushing plate 46. Barbs 41 are fixedly installed on the first shredding disk 9 and the second shredding disk 10. The barbs 41 increase the friction of the first shredding disk 9 and the second shredding disk 10 on the corrugated paper box. The first shredding disk 9 rotates in the second shredding disk 10 to facilitate cutting of the corrugated paper box.

[0021] A slide groove 413 is provided on the inner wall of the crushing box 1, and two sliders 412 are slidably installed in the slide groove 413. A second spring 415 is fixedly installed on the back side of the two sliders 412. The slider 412 slides in the slide groove 413 under the toggle of the toggle rod 49. The elastic reset ability of the second spring 415 drives the slider 412 to reset in the slide groove 413, and at the same time, the slider 412 drives the cutting knife 411 to reciprocate and cut the corrugated paper after the width cutting is completed. A guide rod 414 is slidably installed on the slider 412, and the guide rod 414 plays the role of limiting and stabilizing the slider 412. A first motor 410 and a second motor 42 are provided on the crushing box 1. The number of the second motors 42 is two, and they rotate in opposite directions. The output end of the second motor 42 slides through the moving block 52 and is fixedly installed on the rectangular rotating shaft 43, and the cutting knife 411 is fixedly installed on the slider 412.

[0022] Both ends of the guide rod 414 are fixedly mounted on the inner wall of the slide groove 413, one end of the second spring 415 away from the slider 412 is fixedly mounted on the inner wall of the slide groove 413, and the second spring 415 is nested on the outer surface of the guide rod 414. The output end of the first motor 410 slides through the crushing box 1 and is fixedly mounted on the toggle rod 49. The other end of the toggle rod 49 is in sliding contact with the slider 412, which is convenient for rotating the toggle slider 412 to reciprocate in the slide groove 413, which is convenient and flexible to control the width and length of the corrugated paper cutting, and is convenient to adjust the crushing particle size of the device, which is beneficial to improving the flexibility of the device crushing and the working efficiency of the device crushing. Example 2

[0023] See also Figure 1 , Figure 5 and Figure 6As shown, on the basis of the first embodiment, a moving assembly 5 is provided on the crushing box 1, and the moving assembly 5 includes a rectangular through hole 51 opened on one side near the two ends of the rectangular shaft 43, a bidirectional screw 53 is rotatably installed in the rectangular through hole 51, and a moving block 52 is installed through the threads at both ends of the bidirectional screw 53, and the bidirectional screw 53 drives the moving block 52 to slide in the rectangular through hole 51, and the two ends of the rectangular shaft 43 are rotatably installed on the moving block 52, and a third motor 54 is fixedly installed on one side of the crushing box 1, and the output end of the third motor 54 slides through the rectangular through hole 51 and is fixedly installed on the bidirectional screw 53, and the first crushing disk 9 and the cutting disk 9 are fixedly installed. Two material guide plates 55 are fixedly installed between the knives 411. The material guide plates 55 play the role of centralized material guidance to facilitate cutting by the cutting knife 411. A material baffle plate 56 is fixedly installed on the side of the crushing box 1 close to the protective bucket 3. The material baffle plate 56 plays the role of centralized material feeding, which tries to avoid the corrugated paper from being dispersed in the crushing box 1 and inconvenient for cutting operation. It is convenient to adjust the distance between the first crushing disk 9 and the second crushing disk 10, and further cooperate with the first crushing disk 9 and the cutting knife 411 to flexibly adjust the thickness of the corrugated paper crushing and cutting, which is convenient to adjust the crushing particle size of the device, which is beneficial to improving the flexibility of the device and the crushing efficiency of the device. Example 3

[0024] See also Figure 1 , Figure 7 and Figure 8 As shown, on the basis of Example 1 and Example 2, a collecting assembly 6 is provided on the crushing box 1, and the collecting assembly 6 includes a second conveyor belt 62 rotatably mounted on the inner bottom wall of the crushing box 1, and the second conveyor belt 62 serves to transport the unloaded materials. A fourth motor 68 is fixedly mounted on the side of the crushing box 1 close to the first motor 410, and the output end of the fourth motor 68 slides through the crushing box 1 and is fixedly mounted on the driving shaft of the second conveyor belt 62. A mounting groove 67 is provided on the material baffle plate 56, and a cleaning brush 63 is rotatably mounted on the mounting groove 67, and the cleaning brush 63 serves to clean the residual debris on the barb 41.

[0025] Two first sprockets 64 are rotatably installed on one side of the crushing box 1 close to the first motor 410, a third sprocket 66 is fixedly installed on the output end of the first motor 410, and a second sprocket 65 is fixedly installed on the output end of the fourth motor 68, a first chain 61 is installed between one of the first sprockets 64 and the third sprocket 66, and a second chain 69 is installed between the other first sprocket 64 and the second sprocket 65, the third sprocket 66 and the second sprocket 65 rotate in opposite directions, the two first sprockets 64 rotate relative to each other, and in opposite directions to the first crushing disk 9 and the second crushing disk 10, so as to facilitate the control of the cleaning speed, have a simple structure, and avoid adding extra power when the cleaning brush 63 is used, which is beneficial to saving production costs, facilitating the collection of crushed raw materials, and improving the working efficiency of the device.

[0026] The working principle of the present invention is as follows: when using the device, firstly, the adjusting bolt 47 is tightened, so that the adjusting bolt 47 rotates to lift the push plate 46 to slide on the rectangular shaft 43, and at the same time, the first crushing disk 9 and the second crushing disk 10 slide on the rectangular shaft 43 to squeeze the first spring 44 and the elastic protection ring 45, so that the rectangular shaft 43 and the elastic protection ring 45 are in a compressed state, and at the same time, the push plate 46 drives the material prevention plate 48 to slide on the crushing box 1, and after adjusting the cutting width, the third motor 54 is started, so that the output end of the third motor 54 drives the bidirectional screw 53 to rotate in the rectangular through hole 51, and at the same time, the bidirectional screw 53 is driven to rotate in the rectangular through hole 51. The screw rod 53 drives the moving block 52 to slide in the rectangular through hole 51, and at the same time, the moving block 52 drives the rectangular rotating shaft 43 to slide in the crushing box 1, and at the same time, the two rectangular rotating shafts 43 drive the first crushing disk 9 and the second crushing disk 10 to adjust the distance between them, and then start the second motor 42, so that the second motor 42 drives the first crushing disk 9 with barbs 41 and the second crushing disk 10 to move relative to each other, and then the corrugated paper is placed on the loading plate 8, and the first conveyor belt 7 transports the corrugated paper to the crushing box 1 under the protection of the protective bucket 3 through the adjusting component 4, so that the corrugated paper passes through the first crushing disk 9 and the second crushing disk The first motor 410 and the fourth motor 68 are started, so that the output end of the first motor 410 drives the toggle rod 49 to rotate and squeeze the slider 412, and the slider 412 slides in the slide slot 413, and the slider 412 slides on the guide rod 414 to stretch the second spring 415, and the slider 412 drives the cutting knife 411 to reciprocate and cut the corrugated paper under the first shredding disk 9 and the second shredding disk 10, and the output end of the first motor 410 drives the third sprocket 66 to rotate, and the third sprocket 66 drives one of the first sprockets 6 through the first chain 61. 4, so that the rotating shaft of one of the first sprockets 64 drives the cleaning brush 63 to rotate in the installation groove 67, so that the cleaning brush 63 cleans the debris remaining on the barbs 41 on the first pulverizing disk 9, and at the same time, the output end of the fourth motor 68 drives the second conveyor belt 62 and the second sprocket 65 to rotate synchronously, so that the second sprocket 65 drives the other first sprocket 64 to rotate through the second chain 69, and at the same time, the other first sprocket 64 drives the cleaning brush 63 to rotate to clean the debris remaining on the barbs 41 on the second pulverizing disk 10, and at the same time, the crushed particles are transported from the second conveyor belt 62 to be collected.

[0027] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A corrugated paper box shredding device with adjustable shredding particle size, comprising a shredding box (1) with a protective bucket (3), characterized in that: A plurality of first pulverizing discs (9) and a plurality of second pulverizing discs (10) are rotatably mounted in the pulverizing box (1) for cutting the pulverized width of the corrugated paper box. An adjusting component (4) for adjusting the pulverized particle size is arranged in the pulverizing box (1); The adjustment assembly (4) comprises a rectangular rotating shaft (43) rotatably mounted in the pulverizing box (1); the first pulverizing disc (9) and the second pulverizing disc (10) are mounted on two first springs (44); the first springs (44) and elastic protective rings (45) are fixedly mounted between the two first pulverizing discs (9) and the two second pulverizing discs (10); a push plate (46) is slidably mounted through one end of the rectangular rotating shaft (43); a thread-adjustable adjustment bolt (47) is rotatably mounted on a side of the push plate (46) away from the first pulverizing disc (9); a cutting knife (411) for cutting the pulverized length of the corrugated paper box is slidably mounted in the pulverizing box (1); a toggle rod (49) for toggling the cutting knife (411) is rotatably mounted on the inner wall of the pulverizing box (1) away from the push plate (46); and barbs (41) are fixedly mounted on the first pulverizing disc (9) and the second pulverizing disc (10).

2. The corrugated paper box shredding device with adjustable shredding particle size according to claim 1, characterized in that: A slide groove (413) is provided on the inner wall of the crushing box (1), two sliders (412) are slidably mounted in the slide groove (413), a second spring (415) is fixedly mounted on the back side of the two sliders (412), a guide rod (414) is slidably mounted on the slider (412), a first motor (410) and a second motor (42) are provided on the crushing box (1), and the cutting knife (411) is fixedly mounted on the slider (412).

3. The corrugated paper box shredding device with adjustable shredding particle size according to claim 2, characterized in that: Both ends of the guide rod (414) are fixedly mounted on the inner wall of the slide groove (413); one end of the second spring (415) away from the slider (412) is fixedly mounted on the inner wall of the slide groove (413); the second spring (415) is nested on the outer surface of the guide rod (414); the output end of the first motor (410) slides through the crushing box (1) and is fixedly mounted on the toggle rod (49); the other end of the toggle rod (49) is in sliding contact with the slider (412).

4. The corrugated paper box shredding device with adjustable shredding particle size according to claim 1, characterized in that: The first spring (44) and the elastic protective ring (45) are nested and installed on the outer surface of the rectangular rotating shaft (43), and the first spring (44) is installed between the rectangular rotating shaft (43) and the elastic protective ring (45). The other end of the adjusting bolt (47) is threadedly inserted into the crushing box (1), and a material prevention plate (48) is fixedly installed at one end of the pushing plate (46) close to the protective bucket (3), and the other end of the material prevention plate (48) slides through the crushing box (1).

5. The corrugated paper box shredding device with adjustable shredding particle size according to claim 2, characterized in that: The crushing box (1) is provided with a moving assembly (5), the moving assembly (5) comprising a rectangular through hole (51) opened on one side close to both ends of the rectangular rotating shaft (43), a bidirectional screw (53) rotatably mounted in the rectangular through hole (51), and moving blocks (52) are threadedly mounted through both ends of the bidirectional screw (53), and a third motor (54) is fixedly mounted on one side of the crushing box (1).

6. The corrugated paper box shredding device with adjustable shredding particle size according to claim 5, characterized in that: The output end of the second motor (42) slides through the moving block (52) and is fixedly mounted on the rectangular rotating shaft (43); the output end of the third motor (54) slides through the rectangular through hole (51) and is fixedly mounted on the bidirectional screw (53); two material guide plates (55) are fixedly mounted between the first pulverizing disk (9) and the cutting knife (411); and a material blocking plate (56) is fixedly mounted on a side of the pulverizing box (1) close to the protective bucket (3).

7. The corrugated paper box shredding device with adjustable shredding particle size according to claim 6, characterized in that: The crushing box (1) is provided with a collecting assembly (6), the collecting assembly (6) comprising a second conveyor belt (62) rotatably mounted on the inner bottom wall of the crushing box (1), a fourth motor (68) is fixedly mounted on a side of the crushing box (1) close to the first motor (410), the baffle plate (56) is provided with a mounting groove (67), and a cleaning brush (63) is rotatably mounted on the mounting groove (67).

8. The corrugated paper box shredding device with adjustable shredding particle size according to claim 7, characterized in that: Two first sprocket wheels (64) are rotatably mounted on one side of the crushing box (1) close to the first motor (410), a third sprocket wheel (66) is fixedly mounted on the output end of the first motor (410), and a second sprocket wheel (65) is fixedly mounted on the output end of the fourth motor (68), a first chain (61) is mounted between one of the first sprocket wheels (64) and the third sprocket wheel (66), and a second chain (69) is mounted between the other first sprocket wheel (64) and the second sprocket wheel (65).

9. The corrugated paper box shredding device with adjustable shredding particle size according to claim 8, characterized in that: The third sprocket (66) and the second sprocket (65) rotate in opposite directions, and the two first sprockets (64) rotate relative to each other and in opposite directions to the first shredding disc (9) and the second shredding disc (10).

10. The corrugated paper box shredding device with adjustable shredding particle size according to claim 1, characterized in that: A loading rack (2) is fixedly mounted on the protective bucket (3), a first conveyor belt (7) is rotatably mounted inside the loading rack (2), and a loading plate (8) is fixedly mounted on the first conveyor belt (7).

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