Shredding machine with knife roll convenient to replace

Abstract

The utility model relates to the related technical field of material crushing processing, in particular to a shredding machine with a knife roll convenient to replace, which comprises a hopper, a box body, a transmission belt, a base, a knife roll shaft, a knife changing mechanism and a mounting mechanism, the hopper is fixedly connected with the lower box body, and the outer side edge of the bottom of the box body is fixedly connected with the lower transmission belt. The base is fixedly connected with the upper conveying belt lower protection plate. The cutter changing mechanism is arranged on the box body of the shredding machine, the cutter changing mechanism is arranged between the box body and the cutter roller shaft and is connected through the outer bearing, the cutter roller shaft can be rapidly disassembled by pushing out the cutter changing mechanism and disassembling the outer bearing and the locking pin, and rapid positioning and fixing can be achieved after the cutter roller is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of material crushing and processing, and particularly relates to a shredder which is convenient for replacing a cutter roller. Background Technique

[0002] With the development of society, in order to save resources, most waste products need to be recycled. In the industrial production field, such as ore mining, etc., product crushing equipment is required to process large-sized materials into smaller materials for convenient transportation and later production.

[0003] During the use of traditional cutter roller shredders, the types and quantities of materials that can be processed and produced are relatively few, and it is also difficult to carry out maintenance and repair. This is mainly because the cutter roller is not easy to disassemble and replace. Due to cost and site scale limitations, large-scale production cannot be achieved. Therefore, the utility model proposes a shredder which is convenient for replacing a cutter roller to solve the above problems. Summary of the Invention

[0004] The purpose of the utility model is to provide a shredder which is convenient for replacing a cutter roller to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A shredder which is convenient for replacing a cutter roller, the shredder which is convenient for replacing a cutter roller includes: a hopper, a box body, a conveyor belt, a base, a cutter roller shaft, a cutter changing mechanism and a mounting mechanism. The hopper is fixedly connected to the box body below, the outer side of the bottom of the box body is fixedly connected to the conveyor belt below, and the base is fixedly connected to the lower guard plate of the conveyor belt above.

[0006] Preferably, the number of the cutter roller shafts is two, the two cutter roller shafts are respectively located on the left and right sides of the box body, the number of the cutter changing mechanisms is two, the two cutter changing mechanisms are respectively located on the left and right sides of the box body, and the number of the mounting mechanisms is four, and the four mounting mechanisms are respectively located on the outer sides of the two ends of the cutter changing mechanism.

[0007] Preferably, the cutter changing mechanism includes a locking pin, an outer bearing, a limit block groove, a quick-release box block and a positioning block, and the limit block groove is located inside the front end of the quick-release box block.

[0008] Preferably, the mounting mechanism includes: positioning bolts and limit blocks. The number of the positioning bolts is four, and the four positioning bolts are respectively located at the four corners of the limit block.

[0009] Preferably, the cutter roller shaft and the outer bearing are connected by a locking pin. The outer bearing is located on the outer sides of the two ends of the cutter roller shaft, and the locking pin is located at the openings of the cutter roller shaft and the outer bearing.

[0010] Preferably, the limiting block is connected to the box body through positioning bolts, and the positioning bolts are located at the openings on both sides of the box body.

[0011] The positioning blocks are on the outer ring of the outer bearing. The number of positioning blocks is set to three. Two of the three positioning blocks are distributed on the quick-release box block, and one is located on the box body. The positioning blocks are matched with the slots on the quick-release box block and the box body.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. By arranging a tool-changing mechanism on the shredder box body, the tool-changing mechanism is connected between the box body and the cutter roller shaft through an outer bearing. By pushing out the tool-changing mechanism, the outer bearing and the locking pin can be disassembled to achieve the quick disassembly of the cutter roller shaft, and quick positioning and fixing can be achieved after replacing the cutter roller;

[0014] 2. An installation mechanism is arranged between the box body and the tool-changing mechanism. After replacing the cutter roller, the threaded connection of the limiting block and the box body through the positioning bolt can position and fix the tool-changing mechanism. By arranging the limiting block, it can also prevent the vibration generated by the equipment during actual production from loosening the tool-changing mechanism, thereby improving the system stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic side-sectional structural diagram of the present utility model;

[0017] Figure 3 is a schematic partial structural diagram of the quick-release box body;

[0018] Figure 4 is a schematic diagram of the tool-changing mechanism.

[0019] In the figure: feed hopper 1, box body 2, conveyor belt 3, base 4, cutter roller shaft 5, tool-changing mechanism 6, locking pin 61, outer bearing 62, limiting block groove 63, quick-release box block 64, positioning block 65, installation mechanism 7, positioning bolt 71, limiting block 72. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to clearly and completely describe the purpose and technical solution of the present utility model, and make the advantages more clear and understandable, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] For the purposes of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are set forth to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring these embodiments. Additionally, all embodiments can be used in combination with each other.

[0024] Please refer to Figures 1-4 , the present utility model provides the following embodiments of a preferred solution:

[0025] A shredder facilitating the replacement of a cutter roll, the shredder facilitating the replacement of a cutter roll includes: a hopper 1, a box body 2, a conveyor belt 3, a base 4, a cutter roll shaft 5, a cutter replacement mechanism 6, and a mounting mechanism 7. The hopper 1 is fixedly connected to the lower box body 2, the outer side of the box body 2 is fixedly connected to the lower guard plate of the lower conveyor belt 3, the base 4 is fixedly connected to the lower guard plate of the upper conveyor belt 3. By providing a cutter replacement mechanism 6 on the shredder box body 2, the cutter replacement mechanism 6 is between the box body 2 and the cutter roll shaft 5 and is connected through an outer bearing 62. By pushing out the cutter replacement mechanism 6, the outer bearing 62 and the locking pin 61 can be disassembled to achieve the rapid disassembly of the cutter roll shaft 5, and rapid positioning and fixation can be achieved after replacing the cutter roll.

[0026] There are two knife roller shafts 5, which are respectively located on the left and right sides of the box body 2. There are two tool changing mechanisms 6, which are respectively located on the left and right sides of the box body 2. There are four installation mechanisms 7, which are respectively located on the outer sides of both ends of the tool changing mechanism 6, and each group is correspondingly installed;

[0027] The tool changing mechanism 6 includes a locking pin 61, an outer bearing 62, a limit block groove 63, a quick-release box block 64 and a positioning block 65. The limit block groove 63 is located inside the front end of the quick-release box block 64 and corresponds to the opening slots on both sides of the box body. The knife roller shaft 5 is connected to the outer bearing 62 through the locking pin 61. The outer bearing 62 is located on the outer sides of both ends of the knife roller shaft 5. The locking pin 61 is located at the opening holes of the knife roller shaft 5 and the outer bearing 62, and each group is correspondingly installed. The positioning block 65 is on the outer ring of the outer bearing 62. There are three positioning blocks 65. Two of the three positioning blocks 65 are distributed on the quick-release box block 64, and one is located on the box body 2. The positioning block 65 is matched with the slots on the quick-release box block 64 and the box body 2;

[0028] The installation mechanism 7 includes: positioning bolts 71 and limit blocks 72. There are four positioning bolts 71, which are respectively located at the four corners of the limit block 72 and correspond to the opening holes on the box body 2. The limit block 72 is connected to the box body 2 through the positioning bolts 71. The positioning bolts 71 are located at the opening holes on both sides of the box body 2. The installation mechanism 7 is arranged between the box body 2 and the tool changing mechanism 6. After the knife roller is replaced, the tool changing mechanism 6 can be positioned and fixed. The limit block groove 63 is matched with the corresponding opening slot on the box body.

[0029] Although the above describes the illustrative specific embodiments of the present application for the convenience of those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all application creations using the concept of the present application are within the scope of protection.

[0030] Working principle: When disassembling the knife roller shaft 5, loosen the positioning bolts 71, remove the limit block 72 from the limit block groove 63, push the tool changing mechanism 6 outwards from the box body 2, remove the quick-release box block 64 from the tool changing mechanism 6, push the outer bearing 62 inwards towards the knife roller shaft 5, and remove the locking pin 61, then the knife roller shaft 5 can be removed. If installation is required, the reverse operation of the above steps can be performed.

Claims

1. A shredder that is easy to replace the blade roller, characterized in that: The shredder for easily replacing a knife roller comprises: a hopper (1), a box (2), a conveyor belt (3), a base (4), a knife roller shaft (5), a knife changing mechanism (6) and a mounting mechanism (7), wherein the hopper (1) is fixedly connected to the box (2) below, the outer side of the bottom of the box (2) is fixedly connected to the conveyor belt (3) below, and the base (4) is fixedly connected to the lower guard plate of the conveyor belt (3) above; The number of the knife roller shafts (5) is two, and the two knife roller shafts (5) are respectively located on the left and right sides of the box body (2); the number of the knife changing mechanisms (6) is two, and the two knife changing mechanisms (6) are respectively located on the left and right sides of the box body (2); the number of the mounting mechanisms (7) is four, and the four mounting mechanisms (7) are respectively located on the outer sides of both ends of the knife changing mechanisms (6); The tool changing mechanism (6) comprises a locking pin (61), an outer bearing (62), a limit block groove (63), a quick-release box block (64) and a positioning block (65), wherein the limit block groove (63) is located at the inner side of the front end of the quick-release box block (64); The mounting mechanism (7) comprises: a positioning bolt (71) and a limiting block (72); the positioning bolts (71) are provided in four numbers, and the four positioning bolts (71) are respectively located at the four corners of the limiting block (72).

2. A shredder with easy replacement of blade rollers according to claim 1, characterized in that: The knife roller shaft (5) and the outer bearing (62) are connected via a locking pin (61); the outer bearing (62) is located outside both ends of the knife roller shaft (5); and the locking pin (61) is located at the openings of the knife roller shaft (5) and the outer bearing (62).

3. The shredder with easy-to-replace blade roller according to claim 1, characterized in that: The limit block (72) is connected to the box body (2) via positioning bolts (71), and the positioning bolts (71) are located at openings on both sides of the box body (2).

4. The shredder with easy-to-replace blade roller according to claim 1, characterized in that: The positioning block (65) is on the outer ring of the outer bearing (62). There are three positioning blocks (65). Two of the three positioning blocks (65) are distributed on the quick-release box block (64), and one is located on the box body (2). The positioning block (65) cooperates with the slots on the quick-release box block (64) and the box body (2).

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