Regenerated rubber fine powder screening device

By designing a regenerated rubber fine powder screening device combining screening and crushing functions, the problems of incomplete crushing and low screening efficiency in the prior art are solved, and efficient regenerated rubber fine powder screening and re-pulverization of large particles are achieved.

CN222779850UActive Publication Date: 2025-04-22JIANGXI KANGDI NEW MATERIAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421409803.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-22
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing crushing device for the production of recycled rubber needs to be crushed and then screened separately, resulting in incomplete crushing and subsequently need to be screened separately, which is inefficient.

Method used

A recycled rubber fine powder screening device is designed, including the combination of a screening cylinder, a spindle, a crushing blade and an arc-shaped abrasive plate. Through the cooperation of a transmission shaft and a rotating motor, the screening of the recycled rubber fine powder and the re-milling of large particles are achieved.

Benefits of technology

It improves the screening efficiency of recycled rubber fine powder, simplifies the operation process, enhances the flexibility of the equipment, and ensures the thoroughness of crushing and screening.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222779850U_ABST
    Figure CN222779850U_ABST
Patent Text Reader

Abstract

The utility model provides a regenerated rubber fine powder screening device which comprises an installation frame and a device body, transmission shafts are movably installed on the inner wall of the installation frame through bearing seats, the device body is installed between the two transmission shafts, one of the transmission shafts is driven by a rotating motor, a screening cylinder is arranged in the device body, and the screening cylinder is driven by the rotating motor. Screening holes are formed in the outer side surface of the screening barrel in a penetrating mode, a main shaft is installed in the screening barrel, one end of the main shaft penetrates through the screening barrel and the bottom end surface of the device body to be connected with a driving motor, smashing blades are installed on the outer side surface of the main shaft, a connecting rod is arranged on the surface of the main shaft, and an arc-shaped grinding plate is arranged at one end of the connecting rod. The screening barrel, the main shaft, the crushing blades and the arc-shaped grinding plate are arranged and matched for use, so that large-particle regenerated rubber powder inside can be crushed while fine regenerated rubber powder is screened.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of regenerated rubber fine powder screening, in particular to a regenerated rubber fine powder screening device. Background Art

[0002] China is a country with relatively scarce raw rubber resources. About 50% of China's annual recycled rubber consumption needs to be imported. Finding the source of rubber raw materials and its substitute materials is China's unremitting task. Therefore, carefully and properly handling waste rubber has extremely far-reaching positive and practical significance for making full use of renewable resources, getting rid of the scarcity of natural resources, reducing environmental pollution, and improving people's living environment. Recycled rubber has always been an important raw material for the world's rubber industry. On the one hand, it can replace rubber and alleviate the serious shortage of natural rubber; on the other hand, it enables the recycling and reuse of waste rubber and solves the problem of waste rubber polluting the environment.

[0003] The crushing equipment used in the production of recycled rubber generally needs to be screened separately after crushing before other treatments can be carried out, resulting in: 1. Large pieces of crushed rubber cannot be immediately put back into crushing, which reduces the thoroughness of the crushing; 2. The crushed rubber needs to be screened separately and treated differently.

[0004] Therefore, it is necessary to provide a regenerated rubber fine powder screening device to solve the above technical problems. Utility Model Content

[0005] The utility model provides a regenerated rubber fine powder screening device, which solves the problems in the background technology.

[0006] In order to solve the above technical problems, the utility model provides a regenerated rubber fine powder screening device, including a mounting frame and a device body, the inner wall of the mounting frame is movably mounted with a transmission shaft through a bearing seat, the device body is mounted between two of the transmission shafts, one of the transmission shafts is driven by a rotating motor, a screening drum is arranged inside the device body, the outer surface of the screening drum is penetrated by a screening hole, a main shaft is installed inside the screening drum, one end of the main shaft penetrates the screening drum and the bottom surface of the device body and is connected to the driving motor, a crushing blade is installed on the outer surface of the main shaft, a connecting rod is arranged on the surface of the main shaft, and an arc-shaped grinding plate is arranged at one end of the connecting rod, and the screening drum, the main shaft, the crushing blade and the arc-shaped grinding plate are used in coordination, so that the large particles of regenerated rubber powder inside can be crushed while the regenerated rubber fine powder is screened, so that during operation During operation, the staff pours the recycled rubber fine powder into the screening cylinder through the feed pipe, and then starts the drive motor, and then drives the main shaft and the crushing blade to drive the internal recycled rubber fine powder to stir, so that the qualified recycled rubber fine powder is filtered into the device body through the sieve holes, and in the process of rotation, the crushing blade and the arc-shaped grinding plate can crush the large recycled rubber particles inside again. This method is simple to operate and is convenient for improving the efficiency of screening the recycled rubber fine powder. In addition, through the coordinated use of the transmission shaft and the rotating motor, after the screening is completed, the staff starts the rotating motor, and then the rotating motor drives the device body to tilt through the transmission shaft, so that the discharge pipe tilts downward, and finally the second sealing cover is opened to discharge the internal recycled rubber fine powder through the discharge pipe. This method is simple to operate and improves the flexibility of equipment use.

[0007] Preferably, a feed pipe is provided at one end of the device body, the feed pipe is connected with the screening drum, a first sealing cover is spirally connected to one end of the feed pipe, a discharge pipe is provided on the surface of the device body on one side of the feed pipe, and a second sealing cover is spirally connected to one end of the discharge pipe. By providing the feed pipe, during operation, the staff can open the first sealing cover and then pour the regenerated rubber fine powder into the screening drum for screening. The screened regenerated rubber fine powder can be discharged through the discharge pipe.

[0008] Preferably, a plurality of sieve holes are provided, and the plurality of sieve holes are provided at equal distances on the peripheral side of the sieving cylinder. By providing a plurality of sieve holes, the sieving efficiency of the regenerated rubber fine powder can be improved.

[0009] Preferably, there are multiple crushing blades, and the multiple crushing blades are installed at equal distances on the outer surface of the main shaft. By providing multiple crushing blades, it is convenient to crush the regenerated rubber fine powder entering the screening cylinder again, which is convenient for subsequent screening.

[0010] Preferably, a push handle is provided on the outer surface of the mounting frame, and anti-skid bumps are provided on the outer surface of the push handle. By providing the push handle, it is convenient to push the mounting frame to move the device to a specified position, and by providing the anti-skid bumps, the anti-skid performance of the push handle can be improved.

[0011] Preferably, a universal wheel is provided at the bottom end of the mounting frame, and a plurality of universal wheels are provided, and the plurality of universal wheels are installed at equal distances on the bottom end surface of the mounting frame. By providing the universal wheel, the movement of the mounting frame is facilitated, and the operation thereof is convenient.

[0012] Preferably, a controller is installed on the outer surface of the mounting frame, and by providing the controller, it is convenient to control the electrical components inside the device.

[0013] Compared with the related art, the regenerated rubber fine powder screening device provided by the utility model has the following beneficial effects:

[0014] 1. Compared with the prior art, the regenerated rubber fine powder screening device is convenient for screening the regenerated rubber fine powder and crushing the large particles of regenerated rubber powder inside by setting the screening cylinder, the main shaft, the crushing blade and the arc-shaped grinding plate for coordinated use. When operating, the staff pours the regenerated rubber fine powder into the screening cylinder through the feeding pipe, and then starts the driving motor, and then drives the main shaft and the crushing blade to drive the internal regenerated rubber fine powder to stir, so that the qualified regenerated rubber fine powder is filtered into the device body through the sieve hole, and in the process of rotation, the crushing blade and the arc-shaped grinding plate can crush the large regenerated rubber particles inside again. This method is simple to operate and is convenient for improving the efficiency of screening the regenerated rubber fine powder. Moreover, through the coordinated use of the transmission shaft and the rotating motor, after the screening is completed, the staff starts the rotating motor, and then the rotating motor drives the device body to tilt through the transmission shaft, so that the discharge pipe tilts downward, and finally opens the second sealing cover to discharge the internal regenerated rubber fine powder through the discharge pipe. This method is simple to operate and improves the flexibility of equipment use.

[0015] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a regenerated rubber fine powder screening device provided by the utility model;

[0017] Figure 2 A schematic diagram of the screening cylinder structure of a regenerated rubber fine powder screening device provided by the utility model;

[0018] Figure 3A schematic diagram of the internal structure of a regenerated rubber fine powder screening device provided by the utility model;

[0019] Figure 4 The utility model provides a schematic diagram of the structure of an arc-shaped grinding plate of a regenerated rubber fine powder screening device.

[0020] Numbers in the figure:

[0021] 1. Mounting frame; 2. Transmission shaft; 3. Device body; 4. Feed pipe; 5. First sealing cover; 6. Second sealing cover; 7. Discharge pipe; 8. Controller; 9. Rotating motor; 10. Driving motor; 11. Universal wheel; 12. Screening cylinder; 13. Screen hole; 14. Arc grinding plate; 15. Crushing blade; 16. Main shaft; 17. Connecting rod. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] First embodiment

[0024] Please refer to Figure 1-4A regenerated rubber fine powder screening device comprises a mounting frame 1 and a device body 3, wherein a transmission shaft 2 is movably mounted on the inner wall of the mounting frame 1 through a bearing seat, the device body 3 is mounted between two transmission shafts 2, one of the transmission shafts 2 is driven by a rotating motor 9, a screening drum 12 is arranged inside the device body 3, a screening hole 13 is penetrated through the outer surface of the screening drum 12, a main shaft 16 is installed inside the screening drum 12, one end of the main shaft 16 penetrates through the screening drum 12 and the bottom surface of the device body 3 and is connected to a driving motor 10, a crushing blade 15 is installed on the outer surface of the main shaft 16, a connecting rod 17 is arranged on the surface of the main shaft 16, and an arc-shaped grinding plate 14 is arranged at one end of the connecting rod 17, and the screening drum 12, the main shaft 16, the crushing blade 15, and the arc-shaped grinding plate 14 are used in coordination, so that the regenerated rubber fine powder can be screened and the large particles of the regenerated rubber powder inside can be crushed, so that During operation, the staff pours the regenerated rubber fine powder into the screening cylinder 12 through the feed pipe 4, and then starts the drive motor 10, and then drives the main shaft 16 and the crushing blade 15 to drive the internal regenerated rubber fine powder to stir, so that the qualified regenerated rubber fine powder is filtered into the device body 3 through the sieve hole 13, and in the process of rotation, the crushing blade 15 and the arc-shaped grinding plate 14 can crush the large regenerated rubber particles inside again. This method is simple to operate and is convenient for improving the efficiency of screening the regenerated rubber fine powder. Moreover, through the coordinated use of the transmission shaft 2 and the rotating motor 9, after the screening is completed, the staff starts the rotating motor 9, and then the rotating motor 9 drives the device body 3 to tilt through the transmission shaft 2, so that the discharge pipe 7 tilts downward, and finally opens the second sealing cover 6 to discharge the internal regenerated rubber fine powder through the discharge pipe 7. This method is simple to operate and improves the flexibility of equipment use.

[0025] The working principle of the regenerated rubber fine powder screening device provided by the utility model is as follows:

[0026] During operation of the regenerated rubber fine powder screening device, the staff pours the regenerated rubber fine powder into the screening cylinder 12 through the feed pipe 4, then starts the drive motor 10, and then drives the main shaft 16 and the crushing blade 15 to stir the regenerated rubber fine powder inside, so that qualified regenerated rubber fine powder is filtered into the device body 3 through the sieve hole 13, and during the rotation process, the crushing blade 15 and the arc-shaped grinding plate 14 can crush the large regenerated rubber particles inside again. This method is simple to operate and is convenient for improving the efficiency of screening the regenerated rubber fine powder. Moreover, through the coordinated use of the transmission shaft 2 and the rotating motor 9, after the screening is completed, the staff starts the rotating motor 9, and then the rotating motor 9 drives the device body 3 to tilt through the transmission shaft 2, so that the discharge pipe 7 tilts downward, and finally opens the second sealing cover 6 to discharge the regenerated rubber fine powder inside through the discharge pipe 7. This method is simple to operate and improves the flexibility of equipment use.

[0027] Compared with the related art, the regenerated rubber fine powder screening device provided by the utility model has the following beneficial effects:

[0028] By setting the screening drum 12, the main shaft 16, the crushing blade 15, and the arc-shaped grinding plate 14 for coordinated use, it is convenient to screen the regenerated rubber fine powder while crushing the large particles of regenerated rubber powder inside, so that during operation, the staff pours the regenerated rubber fine powder into the screening drum 12 through the feed pipe 4, and then starts the drive motor 10, and then drives the main shaft 16 and the crushing blade 15 to drive the internal regenerated rubber fine powder to stir, so that the qualified regenerated rubber fine powder is filtered into the device body 3 through the sieve hole 13, and in the process of rotation, the crushing blade 15 and the arc-shaped grinding plate 14 can crush the large regenerated rubber particles inside again. This method is simple to operate and is convenient to improve the efficiency of screening the regenerated rubber fine powder. Moreover, through the coordinated use of the transmission shaft 2 and the rotating motor 9, after the screening is completed, the staff starts the rotating motor 9, and then the rotating motor 9 drives the device body 3 to tilt through the transmission shaft 2, so that the discharge pipe 7 tilts downward, and finally opens the second sealing cover 6 to discharge the internal regenerated rubber fine powder through the discharge pipe 7. This method is simple to operate and improves the flexibility of equipment use.

[0029] Second embodiment

[0030] Please refer to Figure 1-4 Based on the regenerated rubber fine powder screening device provided in the first embodiment of the present application, the second embodiment of the present application provides another regenerated rubber fine powder screening device. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0031] Specifically, the second embodiment of the present application provides a regenerated rubber fine powder screening device that is different in that a feed pipe 4 is provided at one end of the device body 3, and the feed pipe 4 is connected to the screening drum 12, and a first sealing cover 5 is spirally connected to one end of the feed pipe 4. A discharge pipe 7 is provided on the surface of the device body 3 on one side of the feed pipe 4, and a second sealing cover 6 is spirally connected to one end of the discharge pipe 7. By providing the feed pipe 4, during operation, the staff can open the first sealing cover 5, and then pour the regenerated rubber fine powder into the screening drum 12 for screening. The discharge pipe 7 is used to facilitate the discharge of the screened regenerated rubber fine powder.

[0032] With this technical solution, a plurality of sieve holes 13 are provided, and the plurality of sieve holes 13 are provided at equal distances on the side surface of the sieving cylinder 12. By providing a plurality of sieve holes, the sieving efficiency of the regenerated rubber fine powder can be improved.

[0033] With this technical solution, a plurality of crushing blades 15 are provided, and the plurality of crushing blades 15 are installed at equal distances on the outer surface of the main shaft 16. By providing a plurality of crushing blades 15, it is convenient to crush the regenerated rubber fine powder entering the screening cylinder 12 again, which is convenient for subsequent screening.

[0034] By adopting this technical solution, a push handle is provided on the outer surface of the mounting frame 1, and anti-skid convex particles are provided on the outer surface of the push handle. By providing the push handle, it is convenient to push the mounting frame 1 to move the device to a specified position, and by providing the anti-skid convex particles, the anti-skid performance of the push handle can be improved.

[0035] With this technical solution, a universal wheel 11 is provided at the bottom of the mounting frame 1, and a plurality of universal wheels 11 are provided, and the plurality of universal wheels 11 are installed at equal distances on the bottom surface of the mounting frame 1. By providing the universal wheel 11, the movement of the mounting frame 1 is facilitated, and the operation thereof is convenient.

[0036] With this technical solution, a controller 8 is installed on the outer surface of the mounting frame 1. By providing the controller 8, it is convenient to control the electrical components inside the device.

[0037] With this technical solution, the control circuit can be set up through a control panel and can be realized through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification, so the control method and circuit connection will not be described in detail.

[0038] It should be noted that all kinds of components used in this application document are standard parts and can be purchased on the market. The specific connection methods of each part adopt conventional means such as mature bolts, rivets and welding in the existing technology. Machinery, parts and electrical equipment all adopt conventional models in the existing technology. Circuit connections adopt conventional connection methods in the existing technology. Electrical equipment are connected to an external safe power supply, and no specific description is given here.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A regenerated rubber fine powder screening device, comprising a mounting frame (1) and a device body (3), characterized in that: A transmission shaft (2) is movably mounted on the inner wall of the mounting frame (1) through a bearing seat, and the device body (3) is mounted between two of the transmission shafts (2), one of the transmission shafts (2) being driven by a rotating motor (9). A screening drum (12) is arranged inside the device body (3), and a screening hole (13) is provided through the outer surface of the screening drum (12). A main shaft (16) is installed inside the screening drum (12), and one end of the main shaft (16) passes through the screening drum (12) and the bottom surface of the device body (3) and is connected to a driving motor (10). A crushing blade (15) is mounted on the outer surface of the main shaft (16), and a connecting rod (17) is arranged on the surface of the main shaft (16), and an arc-shaped grinding plate (14) is arranged at one end of the connecting rod (17).

2. A regenerated rubber fine powder screening device according to claim 1, characterized in that: A feed pipe (4) is provided at one end of the device body (3), the feed pipe (4) is connected to the screening cylinder (12), a first sealing cover (5) is spirally connected to one end of the feed pipe (4), a discharge pipe (7) is provided on the surface of the device body (3) at one side of the feed pipe (4), and a second sealing cover (6) is spirally connected to one end of the discharge pipe (7).

3. The regenerated rubber fine powder screening device according to claim 1, characterized in that: A plurality of sieve holes (13) are provided, and the plurality of sieve holes (13) are provided at equal distances on the side surface of the sieve drum (12).

4. The regenerated rubber fine powder screening device according to claim 1, characterized in that: A plurality of the crushing blades (15) are provided, and the plurality of crushing blades (15) are installed at equal distances on the outer surface of the main shaft (16).

5. The regenerated rubber fine powder screening device according to claim 1, characterized in that: The outer surface of the mounting frame (1) is provided with a push handle, and the outer surface of the push handle is provided with anti-skid convex particles.

6. The regenerated rubber fine powder screening device according to claim 1, characterized in that: The bottom end of the mounting frame (1) is provided with a universal wheel (11), and a plurality of universal wheels (11) are provided, and the plurality of universal wheels (11) are installed at equal distances on the bottom end surface of the mounting frame (1).

7. The regenerated rubber fine powder screening device according to claim 1, characterized in that: A controller (8) is mounted on the outer surface of the mounting frame (1).