Crushing knife assembly and plastic crusher containing the same

Abstract

The utility model relates to the technical field of crushers, and discloses a crushing knife assembly and a plastic crusher containing the assembly; it comprises a crushing box, and also comprises: two groups of crushing rollers arranged inside the crushing box, multiple groups of crushing blades are fixedly connected to the outer sides of the crushing rollers; a mounting mechanism is arranged at both ends of the crushing rollers for convenient installation thereof, the mounting mechanism comprises a mounting plate fixed to both ends of the crushing rollers, two groups of mounting blocks are fixed on one side of the mounting plate, and a driving rod is arranged on one side of the mounting block; the utility model facilitates the subsequent installation and disassembly of the crushing rollers and the disassembly and replacement of the crushing blades by arranging the mounting mechanism, thereby avoiding the problem that the wear of the crushing blades affects the subsequent crushing effect, and the driving mechanism can drive the protrusions to contact the screening net, knock the screening net, dredge the blockages inside the screening holes, and improve the screening effect of plastic fragments.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, in particular to a crushing knife component and a plastic crusher containing the component. Background Art

[0002] Plastic crusher is a mechanical equipment for crushing plastic materials. It is mainly used to decompose various irregularly shaped wastes such as plastic particles and films into smaller particles or flake materials for subsequent processing and reuse. This machine is widely used in plastic processing, packaging and other industries. It can effectively reduce the pollution caused by waste plastics to the environment and improve resource utilization.

[0003] During the use of existing plastic crushers, plastic is usually crushed by crushing blades. The blades will wear out after long-term use. However, the crushing blades are usually integrated with the drive motor, which is inconvenient to disassemble the crushing blades. The worn blades cannot be disassembled and replaced, which affects the subsequent plastic crushing effect. In addition, plastic crushers usually screen plastic fragments through a screening net, but the screening holes of the screening net will be blocked after long-term use, and the internal structure of the crusher cannot clear the screening holes, which affects the subsequent screening efficiency of plastic fragments.

[0004] Therefore, it is necessary to provide a new crushing knife assembly and a plastic crusher containing the assembly to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a crushing knife assembly and a plastic crusher containing the assembly, so as to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a crushing knife assembly, including a crushing box, and also includes:

[0007] Two groups of crushing rollers are arranged inside the crushing box, and multiple groups of crushing blades are fixedly connected to the outer sides of the crushing rollers;

[0008] A mounting mechanism is arranged at both ends of the crushing roller for facilitating its installation, the mounting mechanism comprises a mounting plate fixed to both ends of the crushing roller, two groups of mounting blocks are fixed on one side of the mounting plate, a driving rod is arranged on one side of the mounting block, and the internal thread of the mounting block is connected with a mounting bolt.

[0009] Preferably, a first motor disposed transversely is mounted on the inner wall of the crushing box, and a gear set is fixedly connected to the output end of the first motor.

[0010] Preferably, a plurality of guide plates are fixedly connected to the inner wall of the crushing box, a box cover is provided on the top of the crushing box, and a feed port is provided on the outer side of the box cover.

[0011] The utility model also provides the following technical solution: a plastic crusher, including the crushing knife assembly, further comprising:

[0012] A box body is arranged at the bottom of the crushing box, the inner wall of the box body is slidably connected with a screening plate, and a screening net is arranged inside the screening plate;

[0013] A driving mechanism is arranged inside the box, and two groups of laterally arranged support rods are arranged on the outside of the driving mechanism. Multiple groups of guide rods are vertically slidably connected inside the support rods. A protrusion is fixedly connected to the bottom of the guide rod, and a spring is arranged on the outside of the guide rod.

[0014] Preferably, the driving mechanism comprises a mounting seat, an inner wall of the mounting seat is fixedly connected to a second motor, and an output end of the second motor is fixedly connected to a rotating rod.

[0015] Preferably, the driving mechanism further comprises a first bevel gear fixed to the outer side of the rotating rod, and the outer side of the first bevel gear is meshingly connected with a second bevel gear.

[0016] Preferably, two doors are provided on one side of the box body, and a collection box is provided at the bottom of the inner cavity of the box body.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] The utility model provides an installation mechanism to facilitate the subsequent installation and disassembly of the crushing roller and the disassembly and replacement of the crushing blade, thereby avoiding the problem that the wear of the crushing blade affects the subsequent crushing effect. The driving mechanism can drive the convex block to contact the screening net, knock the screening net, and clear the blockage inside the screening hole, thereby improving the screening effect of plastic fragments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a preferred embodiment of a crushing assembly provided by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure inside the crushing box of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the installation mechanism in the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the plastic crusher in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the driving mechanism in the utility model.

[0024] In the figure: 1. crushing box; 2. crushing roller; 3. crushing blade; 4. mounting mechanism; 41. mounting plate; 42. mounting block; 43. mounting bolt; 44. driving rod; 5. box body; 6. screening plate; 7. driving mechanism; 71. mounting seat; 72. second motor; 73. rotating rod; 74. first bevel gear; 75. second bevel gear; 8. supporting rod; 9. guide rod; 10. bump; 11. spring; 12. first motor; 13. gear set; 14. guide plate; 15. box cover; 16. feed inlet; 17. box door; 18. collecting box. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 As shown, the crushing knife assembly includes a crushing box 1, two groups of crushing rollers 2 arranged inside the crushing box 1, multiple groups of crushing blades 3 are fixedly connected to the outer sides of the crushing rollers 2, the crushing rollers 2 and the crushing blades 3 are used to crush the plastic, and mounting mechanisms 4 are arranged at both ends of the crushing rollers 2 for easy installation. The mounting mechanism 4 is convenient for subsequent installation and disassembly of the crushing rollers 2 and the removal and replacement of the crushing blades 3. The mounting mechanism 4 includes mounting plates 41 fixed to both ends of the crushing rollers 2, both ends of the two groups of crushing rollers 2 are fixed with mounting plates 41, two groups of mounting blocks 42 are fixed to one side of the mounting plate 41, a driving rod 44 is arranged on one side of the mounting block 42, one end of the driving rod 44 is rotatably connected to the inner wall of the crushing box 1, the internal thread of the mounting block 42 is connected with a mounting bolt 43, and the driving rod 44 and the mounting block 42 are fixedly installed by the mounting bolt 43.

[0027] refer to Figure 2 and Figure 3 As shown, a first motor 12 arranged transversely is installed on the inner wall of the crushing box 1, and a gear set 13 is fixedly connected to the output end of the first motor 12. The gear set 13 is composed of two sets of gears, one of which is fixed to the output end of the first motor 12, and one side of the two sets of gears is fixedly connected to the driving rod 44. A plurality of guide plates 14 are fixedly connected to the inner wall of the crushing box 1, and the materials can be guided by the guide plates 14. A box cover 15 is provided on the top of the crushing box 1, and a feed port 16 is provided on the outer side of the box cover 15, and the materials are poured into the crushing box 1 through the feed port 16.

[0028] See also Figure 4-5As shown, the plastic crusher includes a crushing knife assembly and a box body 5 arranged at the bottom of the crushing box 1. The crushed plastic fragments fall into the box body 5. The inner wall of the box body 5 is slidably connected with a screening plate 6, and a screening net is arranged inside the screening plate 6; the plastic fragments are screened by the screening net, and a driving mechanism 7 is arranged inside the box body 5. Two groups of laterally arranged support rods 8 are arranged on the outer side of the driving mechanism 7. The driving mechanism 7 can drive the support rod 8 to rotate. The inner part of the support rod 8 is vertically slidably connected with multiple groups of guide rods 9. The bottom of the guide rod 9 is fixedly connected with a protrusion 10, and the outer side of the guide rod 9 is provided with a spring 11. The support rod 8 rotates to make the protrusion 10 contact the screening net, knock the screening net, and clear the blockage inside the screening hole, thereby improving the screening effect of the screening plate 6.

[0029] refer to Figure 4 and Figure 5 As shown, the driving mechanism 7 includes a mounting base 71, which is fixed to the inner wall of the box body 5, and the inner wall of the mounting base 71 is fixedly connected to a second motor 72, and the output end of the second motor 72 is fixedly connected to a rotating rod 73, and one end of the rotating rod 73 is rotatably connected to the inner wall of the mounting base 71. The driving mechanism 7 also includes a first bevel gear 74 fixed to the outer side of the rotating rod 73, and the outer side of the first bevel gear 74 is meshingly connected to a second bevel gear 75, and the first bevel gear 74 is meshingly connected to the second bevel gear 75, and one side of the second bevel gear 75 is fixedly connected to the support rod 8. Two door 17 are provided on one side of the box body 5, and a collecting box 18 is provided at the bottom of the inner cavity of the box body 5, and the screened material is collected by the collecting box 18.

[0030] Working principle: When the device is in use, the material is poured into the crushing box 1 through the feed port 16, the first motor 12 is started to drive the gear set 13 to rotate, so that the driving rod 44 drives the crushing roller 2 to rotate, and the crushing blade 3 crushes the plastic. The driving rod 44 and the mounting block 42 are fixedly installed by the mounting bolt 43, and the crushing roller 2 is conveniently installed and disassembled, and the crushing blade 3 is conveniently disassembled and replaced later. The crushed plastic fragments fall into the box 5 and are screened by the screening net. , start the second motor 72 to drive the rotating rod 73 to rotate, so that the first bevel gear 74 drives the second bevel gear 75 to rotate, and the support rod 8 rotates. The support rod 8 rotates to make the protrusion 10 contact the screening net, knock the screening net, and make the screening net vibrate and screen the plastic fragments. At the same time, the blockage inside the screening hole is dredged to improve the screening effect of the screening plate 6, and the screened material is collected by the collecting box 18. The screening plate 6 is slidably connected to the inner wall of the box body 5, which is convenient for the subsequent disassembly and replacement of the screening plate 6.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crushing knife assembly, comprising a crushing box (1), characterized in that: Also includes: Two groups of crushing rollers (2) are arranged inside the crushing box (1), and the outer sides of the crushing rollers (2) are fixedly connected to multiple groups of crushing blades (3); A mounting mechanism (4) is arranged at both ends of the crushing roller (2) to facilitate mounting thereof, the mounting mechanism (4) comprising a mounting plate (41) fixed to both ends of the crushing roller (2), two groups of mounting blocks (42) being fixed to one side of the mounting plate (41), a driving rod (44) being arranged on one side of the mounting block (42), and a mounting bolt (43) being connected to the internal thread of the mounting block (42).

2. The crushing knife assembly according to claim 1, characterized in that: A first motor (12) arranged transversely is mounted on the inner wall of the crushing box (1), and a gear set (13) is fixedly connected to the output end of the first motor (12).

3. The crushing knife assembly according to claim 1, characterized in that: A plurality of guide plates (14) are fixedly connected to the inner wall of the crushing box (1), a box cover (15) is provided on the top of the crushing box (1), and a feed port (16) is provided on the outer side of the box cover (15).

4. A plastic crusher, comprising a crushing knife assembly according to any one of claims 1 to 3, characterized in that: Also includes: A box body (5) is arranged at the bottom of the crushing box (1), the inner wall of the box body (5) is slidably connected with a screening plate (6), and a screening net is arranged inside the screening plate (6); A driving mechanism (7) is arranged inside the box (5), two groups of laterally arranged support rods (8) are arranged on the outside of the driving mechanism (7), a plurality of groups of guide rods (9) are vertically slidably connected inside the support rods (8), a protrusion (10) is fixedly connected to the bottom of the guide rods (9), and a spring (11) is arranged on the outside of the guide rods (9).

5. The plastic crusher according to claim 4, characterized in that: The driving mechanism (7) comprises a mounting seat (71), the inner wall of the mounting seat (71) being fixedly connected to a second motor (72), and the output end of the second motor (72) being fixedly connected to a rotating rod (73).

6. The plastic crusher according to claim 5, characterized in that: The driving mechanism (7) further comprises a first bevel gear (74) fixed to the outside of the rotating rod (73), and the outside of the first bevel gear (74) is meshingly connected to a second bevel gear (75).

7. The plastic crusher according to claim 4, characterized in that: Two box doors (17) are provided on one side of the box body (5), and a collection box (18) is provided at the bottom of the inner cavity of the box body (5).

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