Moving cutter of rubber crusher

Abstract

The utility model relates to the technical field of rubber crushing, and provides a rubber crusher moving cutter which comprises a driving motor, a crushing bin and a crushing fixed cutter, an equipment bin is installed on the outer wall of one side of the crushing bin, and a crushing bin is installed on the side, away from the crushing bin, of the equipment bin. A driving shaft of the crushing bin penetrates through the inner wall of the equipment bin and is provided with a first transmission wheel, the side face of the first transmission wheel is movably provided with a second transmission wheel through a bearing, the outer walls of the first transmission wheel and the second transmission wheel are provided with a belt, and the first transmission wheel penetrates through the inner wall of the crushing bin through a bearing and is movably provided with a first crushing roller; the second transmission wheel penetrates through the inner wall of the crushing bin through a bearing and is movably provided with a second crushing roller, first crushing cutters are evenly arranged on the outer wall of the first crushing roller, and second crushing cutters are evenly arranged on the outer wall of the second crushing roller. By means of the technical scheme, the problems that in the prior art, a cutter head of a crushing cutter is prone to damage during crushing, and the crushing efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber crushing, in particular to a rubber crushing motor-driven knife. Background Art

[0002] Rubber crusher is a device used to crush and disassemble waste rubber products such as tires and pipes. The moving knife is one of the key components of the rubber crusher. The technical background of the rubber crushing moving knife involves multiple fields such as material science, mechanical design, processing technology and safety engineering. The purpose is to improve the crushing efficiency of the equipment, extend the service life of the equipment, and ensure the safety of operation.

[0003] The patent specification with the announcement number CN 214320418 U discloses a rubber crushing motor knife, which is composed of a moving knife body and a side blade and a top blade fixed on the moving knife body. The moving knife body has two edge structures, and the edge is an arc-shaped structure with an inner concave and step shape. There are raised mounting steps on both sides of the moving knife body, and the center is a mounting hole and a key slot. The two sides and the top of each edge of the moving knife body are groove structures, and two side blades are placed on both sides of each groove, and a top blade is placed on the top. Every two side blades and one top blade form a three-edge structure with a sharp outer side, which is combined in the concave step-shaped arc structure of the moving knife body. The moving knife body, the side blades, and the top blade are fixed to each other by welding.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned rubber crushing motor knife had the following problems: the crushing knife assembly of the device was fixed, the knife head was easily damaged during crushing, and the crushing efficiency for rubbers of different specifications was low. For this reason, we proposed a rubber crushing motor knife. Utility Model Content

[0005] The utility model provides a rubber crushing motor knife, which solves the problems in the related art that the crushing knife head is easily damaged during crushing and the crushing efficiency is low.

[0006] The technical solution of the utility model is as follows:

[0007] A rubber crushing motor knife comprises a driving motor, a crushing bin and a crushing fixed knife, wherein an equipment bin is installed on the outer wall of one side of the crushing bin, and a crushing bin is installed on the side of the equipment bin away from the crushing bin, a driving shaft of the crushing bin passes through the inner wall of the equipment bin and is installed with a first transmission wheel, a second transmission wheel is movably installed on the side of the first transmission wheel through a bearing, belts are installed on the outer walls of the first transmission wheel and the second transmission wheel, a first crushing roller is movably installed on the first transmission wheel through a bearing passing through the inner wall of the crushing bin, a second crushing roller is movably installed on the second transmission wheel through a bearing passing through the inner wall of the crushing bin, a first crushing knife is evenly arranged on the outer wall of the first crushing roller, and a second crushing knife is evenly installed on the outer wall of the second crushing roller.

[0008] Preferably, mounting plates are installed on the inner walls on both sides of the crushing bin, and a crushing fixed knife is installed on the outer wall of the mounting plate through bolts.

[0009] Preferably, the first crushing knife and the second crushing knife have the same cross-section, and the thickness of the second crushing knife is greater than the thickness of the first crushing knife.

[0010] Preferably, a positioning bolt hole is provided on the outer wall of one side of the crushing fixed knife, and the positioning bolt hole is fixed to the outer wall of the mounting plate by bolts.

[0011] Preferably, a limiting groove is arranged at the top end of the first crushing roller, telescopic rods are evenly arranged on the inner wall of the limiting groove, and springs are installed on the outer wall of the telescopic rods.

[0012] Preferably, a crushing cutter head is installed at one end of the telescopic rod away from the limiting groove, and limiting blocks are symmetrically installed on both sides of the crushing cutter head.

[0013] Preferably, the cross section of the limiting block is trapezoidal, and the limiting block fits the inner walls on both sides of the limiting groove.

[0014] Preferably, the cross section of the crushing cutter head is triangular, and the crushing cutter head and the limiting groove match each other.

[0015] The working principle and beneficial effects of the utility model are:

[0016] In the utility model, by providing a driving motor, a first transmission wheel and a second crushing knife, when crushing the rubber, the rubber is put in from the top of the crushing bin, the driving motor is started, the driving motor drives the first transmission wheel to rotate, and then the belt drives the second transmission wheel to rotate in the same direction, the first transmission wheel and the second transmission wheel are used to rotate the first crushing roller and the second crushing roller respectively, the first crushing knife and the second crushing knife staggered structure are used to crush the rubber, and at the same time, the first crushing knife and the second crushing knife and the staggered structure of the crushing fixed knife are used to crush the rubber in different corners of the crushing bin. This structure can not only speed up the crushing efficiency, but also achieve a comprehensive crushing effect for rubbers of different specifications through the different thicknesses of the first crushing knife, the crushing fixed knife and the second crushing knife and the staggered structure.

[0017] In the utility model, by providing a crushing fixed knife, a positioning bolt hole and a crushing cutter head, the crushing fixed knife is installed on the outer wall of the mounting plate at equal intervals through the positioning bolt hole. When the crushing fixed knife cooperates with the first crushing knife and the second crushing knife for crushing, the crushing cutter head is used to crush the rubber product, and at the same time, the telescopic rod and the spring are squeezed, and the elastic force generated by the deformation of the spring is used to offset the crushing power of the crushing cutter head. This structure can effectively increase the service life of the crushing cutter head, and at the same time, it is convenient to disassemble the crushing fixed knife for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the main structure of the device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the belt structure proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the first crushing knife proposed in the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the crushing cutter head proposed by the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the telescopic rod structure.

[0024] In the figure: 1. driving motor; 2. equipment compartment; 3. crushing compartment; 4. first crushing roller; 5. second crushing roller; 6. first crushing knife; 7. mounting plate; 8. crushing fixed knife; 9. first transmission wheel; 10. second transmission wheel; 11. belt; 12. second crushing knife; 13. positioning bolt hole; 14. crushing knife head; 15. limit block; 16. limit slot; 17. telescopic rod; 18. spring. DETAILED DESCRIPTION

[0025] The following will be combined with 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 of 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] Example 1: Figure 1~Figure 5 As shown, this embodiment proposes a rubber crushing motor knife, including a driving motor 1, a crushing chamber 3 and a crushing fixed knife 8, an equipment chamber 2 is installed on the outer wall of one side of the crushing chamber 3, and a crushing chamber 3 is installed on the side of the equipment chamber 2 away from the crushing chamber 3, the driving shaft of the crushing chamber 3 passes through the inner wall of the equipment chamber 2 and is installed with a first transmission wheel 9, a second transmission wheel 10 is movably installed on the side of the first transmission wheel 9 through a bearing, a belt 11 is installed on the outer walls of the first transmission wheel 9 and the second transmission wheel 10, the first transmission wheel 9 passes through the inner wall of the crushing chamber 3 through a bearing and is movably installed with a first crushing roller 4, the second transmission wheel 10 passes through the inner wall of the crushing chamber 3 through a bearing and is movably installed with a second crushing roller 5, the outer wall of the first crushing roller 4 is evenly provided with a first crushing knife 6, and the outer wall of the second crushing roller 5 is evenly provided with a second crushing knife 12.

[0027] In this embodiment, the cross sections of the first crushing knife 6 and the second crushing knife 12 are the same, and the thickness of the second crushing knife 12 is greater than the thickness of the first crushing knife 6 .

[0028] In this embodiment, the cross section of the crushing blade head 14 is triangular, and the crushing blade head 14 and the limiting groove 16 match each other.

[0029] Specific as Figure 1 , Figure 2 and Figure 3 As shown, when using this structure, the rubber is put in from the top of the crushing bin 3, the driving motor 1 is started, the first transmission wheel 9 is driven to rotate by the driving motor 1, and then the second transmission wheel 10 is driven to rotate in the same direction by the belt 11, the first transmission wheel 9 and the second transmission wheel 10 are used to rotate the first crushing roller 4 and the second crushing roller 5 respectively, the first crushing knife 6 and the second crushing knife 12 are used to crush the rubber by the staggered structure, and at the same time, the first crushing knife 6 and the second crushing knife 12 and the staggered structure of the crushing fixed knife 8 are used to crush the rubber in different corners of the crushing bin 3. This structure can not only speed up the crushing efficiency, but also achieve a comprehensive crushing effect for rubbers of different specifications through the different thicknesses of the first crushing knife 6, the crushing fixed knife 8 and the second crushing knife 12 and the staggered structure.

[0030] Embodiment 2: The inner walls on both sides of the crushing chamber 3 are installed with mounting plates 7, and the outer wall of the mounting plate 7 is installed with a crushing fixed knife 8 through bolts.

[0031] In this embodiment, a positioning bolt hole 13 is provided on the outer wall of one side of the crushing fixed blade 8 , and the positioning bolt hole 13 is fixed to the outer wall of the mounting plate 7 by bolts.

[0032] In this embodiment, a limiting groove 16 is arranged at the top of the first crushing roller 4 , telescopic rods 17 are evenly arranged on the inner wall of the limiting groove 16 , and springs 18 are installed on the outer wall of the telescopic rods 17 .

[0033] In this embodiment, a crushing cutter head 14 is installed at one end of the telescopic rod 17 away from the limiting groove 16 , and limiting blocks 15 are symmetrically installed on both sides of the crushing cutter head 14 .

[0034] In this embodiment, the cross section of the limiting block 15 is trapezoidal, and the limiting block 15 fits the inner walls of both sides of the limiting groove 16 .

[0035] Specific as Figure 1 , Figure 4 and Figure 5As shown, when this structure is used, the crushing fixed blades 8 are installed on the outer wall of the mounting plate 7 at equal intervals through the positioning bolt holes 13. When the crushing fixed blades 8 cooperate with the first crushing blade 6 and the second crushing blade 12 for crushing, the crushing blade head 14 is used to crush the rubber product, and at the same time, the telescopic rod 17 and the spring 18 are squeezed, and the elastic force generated by the deformation of the spring 18 is used to offset the crushing power of the crushing blade head 14. This structure can effectively increase the service life of the crushing blade head 14, and at the same time facilitate the disassembly of the crushing fixed blade 8 for replacement.

[0036] Working principle: Put the large piece of rubber into the crushing bin 3 from the top, start the driving motor 1, drive the first transmission wheel 9 to rotate through the driving motor 1, and then use the belt 11 to drive the second transmission wheel 10 to rotate in the same direction, use the first transmission wheel 9 and the second transmission wheel 10 to rotate the first crushing roller 4 and the second crushing roller 5 respectively, use the first crushing knife 6 and the second crushing knife 12 staggered structure to crush the rubber, and use the first crushing knife 6 and the second crushing knife 12 staggered structure with the crushing fixed knife 8 to crush the rubber in different corners of the crushing bin 3. The structure can fully crush rubbers of different specifications, utilize the first crushing knife 6, the crushing fixed knife 8 and the second crushing knife 12 to squeeze and crush the rubber products by mutual displacement, utilize the triangular structure of the crushing knife head 14 to crush the rubber, and accelerate the crushing efficiency, utilize the crushing knife head 14 to squeeze the telescopic rod 17 and the spring 18 when crushing the rubber products, utilize the elastic force generated by the deformation of the spring 18 to offset the crushing power of the crushing knife head 14, and at the same time, the positioning bolt hole 13 arranged on the side wall of the crushing fixed knife 8 is convenient for disassembly and assembly. The device can not only accelerate the crushing efficiency, but also can crush rubbers of different specifications, and at the same time can increase the service life of the crushing knife head 14, and is convenient for disassembly and assembly.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rubber crushing motor knife, comprising a driving motor (1), a crushing chamber (3) and a crushing fixed knife (8), characterized in that: The outer wall of one side of the crushing bin (3) is mounted with an equipment bin (2); the side of the equipment bin (2) away from the crushing bin (3) is mounted with a crushing bin (3); a driving shaft of the crushing bin (3) passes through the inner wall of the equipment bin (2) and is mounted with a first transmission wheel (9); a second transmission wheel (10) is movably mounted on the side of the first transmission wheel (9) via a bearing; belts (11) are mounted on the outer walls of the first transmission wheel (9) and the second transmission wheel (10); a first crushing roller (4) is movably mounted on the first transmission wheel (9) via a bearing passing through the inner wall of the crushing bin (3); a second crushing roller (5) is movably mounted on the second transmission wheel (10) via a bearing passing through the inner wall of the crushing bin (3); a first crushing knife (6) is evenly arranged on the outer wall of the first crushing roller (4); and a second crushing knife (12) is evenly mounted on the outer wall of the second crushing roller (5).

2. A rubber crushing motor knife according to claim 1, characterized in that: Mounting plates (7) are installed on the inner walls of both sides of the crushing bin (3), and crushing fixed knives (8) are installed on the outer walls of the mounting plates (7) via bolts.

3. A rubber crushing motor cutter according to claim 1, characterized in that: The first crushing knife (6) and the second crushing knife (12) have the same cross-section, and the thickness of the second crushing knife (12) is greater than the thickness of the first crushing knife (6).

4. A rubber crushing motor cutter according to claim 2, characterized in that: A positioning bolt hole (13) is provided on the outer wall of one side of the crushing fixed knife (8), and the positioning bolt hole (13) is fixedly mounted on the outer wall of the mounting plate (7) by means of bolts.

5. The rubber crushing motor cutter according to claim 1, characterized in that: A limiting groove (16) is provided at the top end of the first crushing roller (4), telescopic rods (17) are evenly arranged on the inner wall of the limiting groove (16), and springs (18) are installed on the outer wall of the telescopic rods (17).

6. A rubber crushing motor cutter according to claim 5, characterized in that: A crushing blade head (14) is mounted on one end of the telescopic rod (17) away from the limiting groove (16), and limiting blocks (15) are symmetrically mounted on both sides of the crushing blade head (14).

7. A rubber crushing motor cutter according to claim 6, characterized in that: The cross section of the limiting block (15) is trapezoidal, and the limiting block (15) fits the inner walls on both sides of the limiting groove (16).

8. The rubber crushing motor cutter according to claim 6, characterized in that: The cross section of the crushing blade head (14) is triangular, and the crushing blade head (14) and the limiting groove (16) match each other.

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