Fine rubber powder re-crushing device

Abstract

The utility model discloses a fine rubber powder re-crushing device, which belongs to the technical field of rubber powder re-crushing related equipment and comprises a frame, a protective shell, a feeding and screening component and a crushing component. The rack has corresponding supporting force; the protective shell is arranged at the top end of the rack, and a corresponding containing cavity is formed in the protective shell. A partition plate is arranged in the middle in the containing cavity and divides an inner cavity of the protective shell into an upper screening cavity and a lower smashing cavity. The feeding screening assembly comprises a long feeding cylinder, one end of the long feeding cylinder is located on the outer side of the screening cavity and connected with a feeding hopper, the other end of the long feeding cylinder extends into the screening cavity from one side, a hollowed-out opening with the preset length is formed in the side wall, extending into the corresponding portion of the screening cavity, of the long feeding cylinder, a screening net is arranged at the hollowed-out opening, and the other end of the long feeding cylinder communicates with the smashing cavity through a sliding channel. The spiral feeding assembly is rotationally mounted in the long feeding cylinder and feeds materials from one end of the outer part to one end of the inner part; according to the structure, the crushed rubber powder can be collected after crushing, enters the long feeding cylinder again for screening and is fed into the crushing cavity for crushing, the amount of the re-crushed rubber powder is continuously reduced, and the re-crushing efficiency of the rubber powder is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber powder re-crushing related equipment, in particular to a fine rubber powder re-crushing device. Background Art

[0002] Some waste rubber products are discarded at will, causing environmental pollution. At present, rubber crushers are used in the market to recycle and granulate rubber products. It first cleans waste tires and other rubber products and then puts them into the crusher to crush them into small pieces. Impurities are removed in the subsequent process to obtain clean rubber powder, which is convenient for the subsequent regeneration and reuse of rubber.

[0003] Due to the good toughness of the rubber powder, it needs to be repeatedly crushed to obtain a better crushed particle size. The rubber powder crushing process is crushed by friction contact and cutting with the rotating crushing tool. However, when the amount of rubber powder remains unchanged, the fine rubber powder produced in the multiple crushing processes is also repeatedly crushed, which reduces the efficiency of hard re-crushing and accelerates the wear of the tool. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fine rubber powder re-crushing device to solve the above problems.

[0005] The technical scheme adopted by the utility model is as follows: a fine rubber powder re-crushing device, including a frame, a protective shell, a feeding screening assembly and a crushing assembly; the frame has corresponding supporting force; the protective shell is arranged at the top of the frame, and a corresponding accommodating chamber is formed inside; a partition is arranged in the middle of the accommodating chamber to separate the inner chamber of the protective shell into an upper screening chamber and a lower crushing chamber; the feeding screening assembly includes a feeding cylinder, one end of which is located outside the screening chamber and connected to the feeding hopper, and the other end extends into the screening chamber from one side, and a hollow opening of a predetermined length is arranged on the side wall extending into the corresponding part of the screening chamber, a screening net is arranged at the position of the hollow opening, and the other end of the feeding cylinder is connected to the crushing chamber through a sliding channel; a spiral feeding assembly is rotatably installed inside the feeding cylinder to feed from one end outside to one end inside; the crushing assembly is rotatably installed in the crushing chamber to perform corresponding crushing operations.

[0006] Furthermore, the lower part of the side wall of the pulverizing chamber is connected to a discharge pipe for discharging materials, and a partition net is installed at the connection point between the discharge pipe and the pulverizing chamber.

[0007] Furthermore, the spiral feeding assembly includes a rotating shaft and a spiral blade mounted on the rotating shaft. The rotating shaft is rotatably installed in the feeding cylinder, and one end is connected to a rotary drive to perform corresponding rotation operations in the feeding cylinder. The spiral blade is configured to feed from the feeding end of the feeding cylinder to the discharging end when rotating.

[0008] Furthermore, the crushing assembly includes a turntable and a crushing knife installed on the turntable. The bottom of the turntable is connected to a rotation drive, and the rotation drive is arranged at the bottom of the protective shell to provide a rotational driving force to the turntable. The crushing knife is arranged at the top edge of the turntable and arranged in a circular array.

[0009] Furthermore, a refrigeration device is arranged on the outer wall of the sliding channel, and the refrigeration device is connected with the crushing chamber through a pipeline to perform corresponding air cooling operation.

[0010] Furthermore, a protective door is provided on the side wall of the screening chamber.

[0011] Furthermore, the crushing knife is mounted on the turntable by bolts.

[0012] After adopting the above structure, the beneficial effects of the utility model are as follows: the utility model proposes a fine rubber powder re-crushing device, which screens out and collects the rubber powder that meets the particle size by arranging a hollow opening and a screening net at the position where the feeding cylinder extends into the screening chamber, thereby reducing the amount of rubber powder entering the crushing chamber, reducing the workload of the crushing tool, reducing wear, and improving the crushing efficiency; the crushed rubber powder collected after crushing can enter the feeding cylinder again for screening and feeding to the crushing chamber for crushing, continuously reducing the amount of re-crushed rubber powder and improving the efficiency of rubber powder re-crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] Figure 1 This is a schematic diagram of the overall structure of a fine rubber powder re-crushing device proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the feeding cylinder structure of a fine rubber powder re-crushing device proposed by the utility model;

[0016] Figure 3 This is a half-section view of a fine rubber powder re-crushing device proposed by the utility model;

[0017] Figure 4 This is a top view of the interior of a grinding chamber of a fine rubber powder re-grinding device proposed by the utility model;

[0018] Figure 5 This is a schematic diagram of the overall structure of a fine rubber powder re-crushing device proposed by the utility model from another angle.

[0019] In the attached drawings: 1. frame, 2. protective shell, 3. partition, 4. feeding cylinder, 5. feeding hopper, 6. screening net, 7. sliding channel, 8. crushing chamber, 9. discharge pipe, 10. rotating shaft, 11. spiral blade, 12. crushing knife, 13. turntable, 14. refrigeration device, 15. protective door. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] 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.

[0022] like Figure 1-5 As shown, a fine rubber powder re-crushing device includes a frame 1, a protective shell 2, a feeding screening component and a crushing component; the frame 1 has a corresponding supporting force; the protective shell 2 is arranged at the top of the frame 1, and a corresponding accommodating chamber is formed inside; a partition 3 is arranged in the middle of the accommodating chamber to separate the inner chamber of the protective shell 2 into an upper screening chamber and a lower crushing chamber 8; here, preferably, a protective door 15 is provided on the side wall of the screening chamber for taking out the collected rubber powder of corresponding particle size; a heat dissipation chamber is arranged at the top of the protective shell 2, and a refrigeration device 14 is arranged at the top of the heat dissipation chamber to perform corresponding heat dissipation operations from the sliding channel 7 to the crushing chamber 8 below; in addition, a refrigeration device 14 is arranged on the outer wall of the sliding channel 7, and the refrigeration device 14 is connected to the crushing chamber 8 through a pipeline to perform corresponding air cooling operations. During multiple crushing operations, the cooling operation in the crushing chamber 8 can be strengthened, and the refrigeration device 14 can be a corresponding air cooling device.

[0023] In this embodiment, the feeding and screening assembly includes a feeding long cylinder 4, one end of which is located outside the screening chamber and connected to the feeding hopper 5, and the other end extends into the screening chamber from one side, and a hollow opening of a predetermined length is arranged on the side wall extending into the corresponding part of the screening chamber, and a screening net 6 is arranged at the position of the hollow opening, when the rubber powder is pushed to the screening net 6, the rubber powder of the corresponding particle size that can be screened out from the screening net 6 enters the screening chamber and is collected; the other end of the feeding long cylinder 4 is connected to the crushing chamber 8 through the sliding channel 7, wherein the feeding hopper 5 is used to feed the material into the feeding long cylinder 4 at the feeding end of the feeding long cylinder 4;

[0024] In this embodiment, the feeding and screening assembly also includes a spiral feeding assembly, which is rotatably mounted inside the feeding cylinder 4 and feeds materials from one end outside to one end inside. Specifically, the spiral feeding assembly includes a rotating shaft 10 and a spiral blade 11 mounted on the rotating shaft 10. The rotating shaft 10 is rotatably mounted inside the feeding cylinder 4, one end of which is connected to a rotary drive and performs corresponding rotation operations inside the feeding cylinder 4. The spiral blade 11 is configured to feed materials from the feed end to the discharge end of the feeding cylinder 4 when rotating. Here, it should be noted that the rotating shaft 10 is connected to a rotary motor. After the rotary motor is started, the output end of the rotary motor rotates to drive the rotating shaft 10 to rotate, and the spiral blade 11 rotates synchronously with the rotating shaft 10 to perform corresponding pushing operations.

[0025] In some preferred embodiments, the crushing assembly is rotatably installed in the crushing chamber 8 to perform corresponding crushing operations. The lower part of the side wall of the crushing chamber 8 is connected to a discharge pipe 9 for discharging materials. A partition is installed at the connection between the discharge pipe 9 and the crushing chamber 8. The discharge pipe 9 guides the crushed rubber powder to be discharged from the crushing chamber 8.

[0026] Specifically, the crushing assembly includes a turntable 13 and a crushing knife 12 mounted on the turntable 13. The bottom of the turntable 13 is connected to a rotary drive, and the rotary drive is arranged at the bottom of the protective housing 2 to provide a rotary driving force to the turntable 13. The crushing knife 12 is arranged at the top edge of the turntable 13 and arranged in a circular array. Preferably, the crushing knife 12 is mounted on the turntable 13 by bolts. The crushing knife 12 is arranged in a triangular shape, and the edges are all provided with blades. The crushing knife 12 is inclined to the outside of the turntable 13, and the corresponding crushing knife 12 can be installed in the middle of the rotation to crush the rubber powder accordingly.

[0027] When in use, the device is installed in a suitable working position, and the rubber powder discharged from the discharge pipe 9 can be fed into the feeding cylinder 4 through the feeding hopper 5 through the corresponding feeding assembly, and then continue to enter the screening and re-crushing operation unit; after the rubber powder enters the feeding cylinder 4, the rotating motor is started, and the spiral blades 11 inside the feeding cylinder 4 push the rubber powder into the screening chamber, and the rubber powder is screened by the screening net 6 and enters the screening chamber to be collected; in order to discharge the rubber powder from the feeding cylinder 4, it enters the crushing chamber 8 through the feeding channel; the rotary drive connected to the turntable 13 is started, and the rotary drive 13 is turned. The disc 13 rotates in the crushing chamber 8, and the crushing knives 12 rotate with the turntable 13 to perform corresponding crushing operations on the rubber powder in the crushing chamber 8. The crushed rubber powder is discharged to the outside of the crushing chamber 8 through the discharge pipe 9. If it does not meet the particle size requirements, it can enter the screening and re-crushing unit again through the corresponding feeding component. After continuing to screen out the rubber powder that meets the particle size, the remaining rubber powder is sent to the crushing chamber 8 for re-crushing. In the multiple crushing processes, the amount of rubber powder to be crushed is reduced, the efficiency of re-crushing is improved, and the workload of the crushing knives 12 is reduced.

[0028] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A fine rubber powder re-crushing device, characterized in that: include: The rack has corresponding supporting force; A protective shell is arranged at the top of the frame and has a corresponding accommodation chamber formed inside; A partition is arranged in the middle of the accommodating chamber to separate the inner chamber of the protective shell into an upper screening chamber and a lower crushing chamber; The feeding and screening assembly comprises a feeding long cylinder, one end of which is located outside the screening chamber and connected to the feeding hopper, and the other end of which extends into the screening chamber from one side, and a hollow opening of a predetermined length is arranged on the side wall of the corresponding part of the screening chamber, and a screening net is arranged at the position of the hollow opening, and the other end of the feeding long cylinder is connected to the crushing chamber through a sliding channel; a spiral feeding assembly is rotatably installed inside the feeding long cylinder, and feeds materials from one end outside to one end inside; The crushing assembly is rotatably installed in the crushing chamber to perform corresponding crushing operations.

2. A fine rubber powder re-crushing device according to claim 1, characterized in that: The lower part of the side wall of the pulverizing chamber is connected to a discharge pipe for discharging materials, and a partition net is installed at the connection point between the discharge pipe and the pulverizing chamber.

3. The fine rubber powder re-crushing device according to claim 1, characterized in that: The spiral feeding assembly includes a rotating shaft and a spiral blade mounted on the rotating shaft. The rotating shaft is rotatably installed in the feeding cylinder, and one end is connected to a rotary drive to perform corresponding rotation operations in the feeding cylinder. The spiral blade is configured to feed material from the feeding end to the discharging end of the feeding cylinder when rotating.

4. The fine rubber powder re-crushing device according to claim 1, characterized in that: The crushing assembly includes a turntable and a crushing knife installed on the turntable. The bottom of the turntable is connected to a rotation drive, and the rotation drive is arranged at the bottom of the protective shell to provide a rotational driving force to the turntable. The crushing knife is arranged at the top edge of the turntable and arranged in a circular array.

5. The fine rubber powder re-crushing device according to claim 1, characterized in that: A refrigeration device is arranged on the outer wall of the sliding channel, and the refrigeration device is connected with the crushing chamber through a pipeline to perform corresponding air cooling operation.

6. The fine rubber powder re-crushing device according to claim 1, characterized in that: A protective door is provided on the side wall of the screening chamber.

7. The fine rubber powder re-crushing device according to claim 4, characterized in that: The crushing knife is mounted on the rotating disk through bolts.

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