Rubber production particle screening device
By designing the structure of the screening cylinder, screen plate and pushing plate, the incomplete screening problem caused by the rotation of the screening cylinder feed port is solved, efficient screening and collection of rubber raw materials is achieved, and the screening effect of the device is improved.
Patent Information
- Application Number
- CN202421694020.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-07-17
AI Technical Summary
In the existing rubber production equipment, the feeding port on the screening cylinder is in a rotating state, resulting in the rubber raw material particles in the screening box being unable to fall smoothly, and the rubber raw material particles on the top of the screen and in the screening cylinder are not thoroughly treated.
A rubber particle screening device is designed, including a screening box, screening cylinder, screening plate and pushing plate structure. Through the cooperation of the push-pull rack and connecting rod, the effective launch of rubber raw materials in the screening cylinder and the collection of particles on the screening plate is achieved. Combined with the use of drive motors and vibrating motors, multi-stage screening and collection are achieved.
Effective screening and collection of rubber raw material particles is realized, ensuring that the particles in the screening cylinder can fall smoothly and the particles on the screen plate are thoroughly treated, improving the screening efficiency and effect.
Smart Images

Figure CN223186792U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of rubber production, and in particular relates to a particle screening device for rubber production. Background Art
[0002] Rubber is divided into two types: natural rubber and synthetic rubber. Natural rubber is made by extracting gum from plants such as rubber trees and rubber grass; synthetic rubber is obtained by polymerization reaction of various monomers. Rubber products are widely used in industry and various aspects of life. The raw material particles need to be screened during the production and processing of rubber.
[0003] A search of CN214918165U discloses a grading and screening device for rubber production and processing raw material particles, which relates to the technical field of rubber production and processing equipment, including a screening box, a feed port is arranged on the left side of the top wall of the screening box, a sealing plate is arranged below the feed port, a support plate is arranged above the screening box, a first-level filter is arranged in the middle of the support plate, a screening box is arranged below the first-level filter, a second-level filter is arranged in the screening box, a third-level screen is arranged at the bottom of the screening box, a screening drum is arranged at the bottom of the screening box, the first-level filter performs initial screening on the rubber raw materials, and the rubber raw material particles after screening by the first-level drying net fall into the screening box, the second-level filter and the third-level screen screen the raw material particles again, and the raw material particles after screening by the third-level screen fall into the screening drum.
[0004] However, the inventors have discovered through exploration that this technical solution still has at least the following defects: in the above-mentioned device, the screening drum is driven to rotate by the driving motor, belt and bearing, and the raw material particles are stirred by the driving motor, bevel gear 1 and bevel gear 2, so as to achieve the screening effect of the rubber raw material particles. However, the screening drum and the rotating rod are both rotated by the operation of the driving motor. When the rubber particle raw material falls into the screening box and is stirred by the rotating rod and the stirring rod, the screening drum is also rotating at the same time. In this case, the material receiving port on the screening drum is also in a rotating state, so there is no way to ensure that the rubber raw material particles in the screening box can fall into the screening drum through the material receiving port on the screening drum after screening is completed, and the rubber raw material particles screened out on the top of the screen and in the screening drum cannot be well processed.
[0005] In view of this, the present utility model is proposed. Utility Model Content
[0006] In order to solve the technical problem that the receiving port on the screening cylinder is also in a rotating state, there is no way to ensure that the rubber raw material particles in the screening box can fall into the screening cylinder through the receiving port on the screening cylinder after screening, and the rubber raw material particles screened out from the top of the screen and the screening cylinder cannot be well processed, the basic concept of the technical solution adopted by the utility model is:
[0007] A rubber production particle screening device comprises a screening box, a screening drum is rotatably installed inside the screening box, a feeding port is provided on the top of the screening drum, a sealing end cover is connected to the feeding port by a hinge, a circular pushing plate is slidably provided on the inner wall of the screening drum, a first connecting rod is fixedly connected to the middle part of one side of the circular pushing plate, a baffle plate is fixedly connected to the end position of the first connecting rod, a movable hole is opened on the right side of the screening box, and the outer wall of the right end of the screening drum contacts the inner wall of the movable hole, the baffle plate contacts the outer wall of the right end of the screening drum, a screen plate is slidably installed on the inner side of the screening box, and the screen The mesh plate is located just below the screening cylinder, and a discharge port is provided on the right side of the screening box. A symmetrically arranged sealing plate is slidably connected to the inner wall of the discharge port, and two sealing plates are fixedly connected to the same connecting plate on opposite sides. A rectangular opening is provided in the middle of the discharge port, and the connecting plate contacts the inner wall of the rectangular opening. A movable groove is provided on one side of the connecting plate, and a second connecting rod is slidably connected to the inner wall of the movable groove. A rectangular pushing plate is fixedly connected to the end position of the second connecting rod, and the bottom of the rectangular pushing plate contacts the top of the screen plate. The baffle plate and the outer wall of one side of the connecting plate are fixedly connected to the same push-pull frame.
[0008] As a preferred embodiment of the present invention, a top plate is slidably mounted on the top of the screening box, and the screening cylinder is provided with sieve holes that are equidistantly arranged around it.
[0009] As a preferred embodiment of the present invention, a through hole is opened on the left side of the screening box, and a mounting shaft is rotatably connected to the inner wall of the through hole, and the end of the mounting shaft is fixedly connected to the left outer wall of the screening cylinder.
[0010] As a preferred embodiment of the present invention, a rotating shaft is rotatably installed on the left outer wall of the screening box, a first pulley is fixedly connected to the outer wall of the rotating shaft, a second pulley is fixedly connected to the outer wall of the end of the mounting shaft, and the first pulley and the second pulley are connected to the same transmission belt.
[0011] As a preferred embodiment of the present invention, a mounting bracket is fixedly connected to the left outer wall of the screening box, a driving motor is fixedly mounted on the mounting bracket, and an output shaft of the driving motor is connected to the end position of the rotating shaft through a coupling.
[0012] As a preferred embodiment of the present invention, a vibration motor is fixedly mounted on the outer wall of the middle portion of the bottom of the screen plate.
[0013] As a preferred embodiment of the present invention, a collection box is slidably installed on the inner wall of the bottom of the screening box, a push-pull plate is fixedly connected to the outer wall of one side of the collection box, a rectangular movable opening is opened on one side of the bottom of the screening box, and the collection box is slidably connected to the inner wall of the rectangular movable opening.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] The utility model adds the rubber raw material particles into the screening cylinder through the feeding port. After the feeding is completed, the sealing end cover is covered on the feeding port to realize the sealing effect of the feeding port. When the feeding port is sealed, the screening cylinder is arranged above the screen plate, so that the rubber raw material particles that have been preliminarily screened can be smoothly fed onto the screen plate, and then the rubber raw material particles fed onto the screen plate are further screened. After screening, the rubber raw material particles that are larger than the mesh holes of the screen plate stay on the screen plate. When the collected rubber raw material particles are taken, the collection box is pulled to the outside of the screening box by the push-pull plate until the collection box moves to the outside of the screening box, and the rubber raw material particles can be taken, and then the push-pull plate is pulled. The pulling frame moves laterally, and the push-pull frame drives the baffle plate and the connecting plate to move laterally. The baffle plate drives the first connecting rod to move laterally, so that the first connecting rod drives the circular pushing plate to slide on the inner wall of the screening cylinder, so that under the action of the lateral movement of the circular pushing plate, the rubber raw material particles remaining in the screening cylinder can be pushed to the outside of the screening cylinder, thereby realizing the processing of the rubber raw material particles in the screening cylinder, and the connecting plate drives the second connecting rod and the two sealing plates to move laterally, so that the second connecting rod drives the rectangular pushing plate to slide on the top of the screen plate, so that under the action of the lateral movement of the rectangular pushing plate, the rubber raw material particles remaining on the screen plate can be pushed to the outside of the screening box through the discharge port, thereby realizing the processing of the rubber raw material particles on the screen plate.
[0016] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In the attached figure:
[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a side structural diagram of the screening box of the utility model;
[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the screening box of the utility model;
[0021] Figure 4 This is a schematic diagram of the side cross-sectional structure of the screening box of the utility model;
[0022] Figure 5 This is a schematic diagram of the screening cylinder structure of the utility model;
[0023] Figure 6 This is a side view structural diagram of the screening cylinder of the utility model;
[0024] Figure 7This is a schematic diagram of the connection structure of the connecting plate and the second connecting rod of the utility model.
[0025] In the figure: 1. Screening box; 2. Screening drum; 3. Collecting box; 4. Baffle plate; 5. Connecting plate; 6. Discharge port; 7. Sealing plate; 8. Push-pull frame; 9. Mounting frame; 10. Driving motor; 11. Rectangular movable port; 12. Push-pull plate; 13. Top plate; 14. Mounting shaft; 15. Rotating shaft; 16. First pulley; 17. Second pulley; 18. Transmission belt; 19. Feed port; 20. Screen plate; 21. Vibrating motor; 22. Circular push plate; 23. First connecting rod; 24. Rectangular push plate; 25. Second connecting rod; 26. Sieve hole; 27. Sealing end cover; 28. Movable groove. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.
[0027] like Figures 1 to 7 shown
[0028] A rubber production particle screening device includes a screening box 1, a screening drum 2 is rotatably installed inside the screening box 1, and the screening drum 2 is provided with sieve holes 26 arranged equidistantly around. A feeding port 19 is provided on the top of the screening drum 2, and a sealing end cover 27 is connected to the feeding port 19 by a hinge. The rubber raw material particles are fed into the screening drum 2 through the feeding port 19. After the feeding is completed, the sealing end cover 27 is covered on the feeding port 19 to achieve a sealing effect on the feeding port 19. A top plate 13 is slidably installed on the top of the screening box 1. After the feeding port 19 is sealed, the top plate 13 is covered on the top position of the screening box 1 to prevent the rubber from being trapped when the screening drum 2 rotates. The glue raw material particles fly to the outside of the screening box 1, and a circular pushing plate 22 is slidingly provided on the inner wall of the screening cylinder 2. A first connecting rod 23 is fixedly connected to the middle part of one side of the circular pushing plate 22, and a baffle plate 4 is fixedly connected to the end position of the first connecting rod 23. A movable hole is provided on the right side of the screening box 1, and the outer wall of the right end of the screening cylinder 2 is in contact with the inner wall of the movable hole, and the baffle plate 4 is in contact with the outer wall of the right end of the screening cylinder 2. A screen plate 20 is slidingly installed on the inside of the screening box 1, and the screen plate 20 is located directly below the screening cylinder 2. A discharge port 6 is provided on the right side of the screening box 1, and a symmetrically arranged sealing plate 7 is slidingly connected to the inner wall of the discharge port 6. The two sealing plates 7 are fixedly connected on opposite sides. There is a same connecting plate 5, a rectangular opening is opened in the middle of the discharge port 6, and the connecting plate 5 is in contact with the inner wall of the rectangular opening, a movable groove 28 is opened on one side of the connecting plate 5, and the inner wall of the movable groove 28 is slidably connected to the second connecting rod 25, and the end position of the second connecting rod 25 is fixedly connected to a rectangular pushing plate 24, and the bottom of the rectangular pushing plate 24 is in contact with the top of the screen plate 20. The outer wall of the baffle plate 4 and one side of the connecting plate 5 is fixedly connected with the same push-pull frame 8. When the screening is completed, the push-pull frame 8 is pulled to move horizontally, and the push-pull frame 8 drives the baffle plate 4 and the connecting plate 5 to move horizontally, and the baffle plate 4 drives the first connecting rod 23 to move horizontally, so that the first connecting rod 2 3 drives the circular push plate 22 to slide on the inner wall of the screening cylinder 2, so that the rubber raw material particles retained in the screening cylinder 2 can be pushed to the outside of the screening cylinder 2 under the action of the lateral movement of the circular push plate 22, thereby realizing the processing of the rubber raw material particles in the screening cylinder 2, and the connecting plate 5 drives the second connecting rod 25 and the two sealing plates 7 to move horizontally, so that the second connecting rod 25 drives the rectangular push plate 24 to slide on the top of the screen plate 20, so that the rubber raw material particles retained on the screen plate 20 can be pushed to the outside of the screening box 1 through the discharge port 6 under the action of the lateral movement of the rectangular push plate 24, thereby realizing the processing of the rubber raw material particles on the screen plate 20.
[0029] In a specific embodiment, a through hole is opened on the left side of the screening box 1, and the inner wall of the through hole is rotatably connected to the mounting shaft 14, the end position of the mounting shaft 14 is fixedly connected to the left outer wall of the screening drum 2, the left outer wall of the screening box 1 is rotatably installed with a rotating shaft 15, the outer wall of the rotating shaft 15 is fixedly connected to a first pulley 16, the outer wall of the end of the mounting shaft 14 is fixedly connected to a second pulley 17, the first pulley 16 and the second pulley 17 are connected to the same transmission belt 18, the left outer wall of the screening box 1 is fixedly connected to a mounting frame 9, the mounting frame 9 is fixedly installed with a drive motor 10, and the output shaft of the drive motor 10 is connected to the rotating shaft 1 through a coupling. 5, after the feeding is completed, the driving motor 10 is started to drive the rotating shaft 15 to rotate, the rotating shaft 15 drives the first pulley 16 to rotate, the transmission belt 18 provided in conjunction with the first pulley 16 drives the second pulley 17 to rotate, and the second pulley 17 drives the mounting shaft 14 to rotate, so that the mounting shaft 14 drives the screening drum 2 to rotate, thereby realizing the preliminary screening of the rubber raw material particles. After screening, the rubber raw material particles smaller than the sieve hole 26 fall on the sieve plate 20, and the rubber raw material particles larger than the sieve hole 26 stay inside the screening drum 2, so that the rubber raw material particles that have passed the preliminary screening can be smoothly discharged onto the sieve plate 20.
[0030] Furthermore, a vibration motor 21 is fixedly installed on the outer wall of the middle bottom of the screen plate 20. When the rubber raw material particles are fed onto the screen plate 20, the vibration motor 21 is started to drive the screen plate 20 to vibrate. At this time, the movable slot 28 and the second connecting rod 25 are provided, so that the rectangular pushing plate 24 can follow the screen plate 20 to move up and down, thereby achieving a further screening effect on the rubber raw material particles. After screening, the rubber raw material particles smaller than the mesh of the screen plate 20 fall into the collection box 3 to collect the screened rubber raw material particles, and the rubber raw material particles larger than the mesh of the screen plate 20 stay on the screen plate 20. The collection box 3 is slidably installed on the inner wall of the bottom of the screening box 1, and a push-pull plate 12 is fixedly connected to the outer wall of one side of the collection box 3. A rectangular movable opening 11 is opened on one side of the bottom of the screening box 1. The collection box 3 is slidably connected to the inner wall of the rectangular movable opening 11, and the collection box 3 is pulled to the outside of the screening box 1 by the push-pull plate 12 until the collection box 3 moves to the outside of the screening box 1 and the rubber raw material particles can be taken.
[0031] The implementation principle of a rubber production particle screening device of this embodiment is as follows:
[0032] When in use, the rubber raw material particles are fed into the screening drum 2 through the feed port 19. After the feeding is completed, the sealing end cover 27 is covered on the feed port 19 to achieve the sealing effect of the feed port 19. After the feed port 19 is sealed, the top plate 13 is covered on the top position of the screening box 1 to prevent the rubber raw material particles from flying to the outside of the screening box 1 when the screening drum 2 rotates. Then the drive motor 10 is started to drive the rotating shaft 15 to rotate, and the rotating shaft 15 drives the first pulley 16 to rotate. The transmission belt 18 provided in conjunction with the first pulley 16 drives the second pulley 17 to rotate, and the second pulley 17 drives the mounting shaft 1 4 rotates, so that the mounting shaft 14 drives the screening drum 2 to rotate, thereby achieving a preliminary screening of the rubber raw material particles. After screening, the rubber raw material particles smaller than the sieve holes 26 fall on the sieve plate 20, and the rubber raw material particles larger than the sieve holes 26 stay inside the screening drum 2, so that the rubber raw material particles that have passed the preliminary screening can be smoothly discharged onto the sieve plate 20, and then the vibration motor 21 is started to drive the sieve plate 20 to vibrate. At this time, the movable slot 28 and the second connecting rod 25 are provided, so that the rectangular push plate 24 can move up and down with the sieve plate 20, thereby achieving a further screening effect on the rubber raw material particles. After screening, The rubber raw material particles smaller than the mesh of the screen plate 20 fall into the collecting box 3, and the rubber raw material particles that have been screened are collected. The rubber raw material particles larger than the mesh of the screen plate 20 stay on the screen plate 20. When the collected rubber raw material particles are taken, the collecting box 3 is pulled to the outside of the screening box 1 by the push-pull plate 12 until the collecting box 3 moves to the outside of the screening box 1, and the rubber raw material particles can be taken. Then the push-pull frame 8 is pulled to move horizontally, and the push-pull frame 8 drives the baffle plate 4 and the connecting plate 5 to move horizontally. The baffle plate 4 drives the first connecting rod 23 to move horizontally, so that the first connecting rod 23 drives the circular pusher The plate 22 slides on the inner wall of the screening cylinder 2, so that the rubber raw material particles remaining in the screening cylinder 2 can be pushed to the outside of the screening cylinder 2 under the action of the lateral movement of the circular pushing plate 22, thereby realizing the processing of the rubber raw material particles in the screening cylinder 2, and the connecting plate 5 drives the second connecting rod 25 and the two sealing plates 7 to move horizontally, so that the second connecting rod 25 drives the rectangular pushing plate 24 to slide on the top of the screen plate 20, so that the rubber raw material particles remaining on the screen plate 20 can be pushed to the outside of the screening box 1 through the discharge port 6 under the action of the lateral movement of the rectangular pushing plate 24, thereby realizing the processing of the rubber raw material particles on the screen plate 20.
Claims
1. A rubber production particle screening device, comprising a screening box (1), characterized in that: A screening drum (2) is rotatably mounted on the inner side of the screening box (1), a feed port (19) is provided on the top of the screening drum (2), and a sealing end cover (27) is connected to the feed port (19) via a hinge. A circular push plate (22) is slidably mounted on the inner wall of the screening drum (2), a first connecting rod (23) is fixedly connected to the middle part of one side of the circular push plate (22), and a baffle plate (4) is fixedly connected to the end position of the first connecting rod (23). A movable hole is opened on the right side of the screening box (1), and the outer wall of the right end of the screening drum (2) contacts the inner wall of the movable hole, and the baffle plate (4) contacts the outer wall of the right end of the screening drum (2). A screen plate (20) is slidably mounted on the inner side of the screening box (1), and the screen plate (20) is located at the screening drum (2). Directly below, a discharge port (6) is provided on the right side of the screening box (1), and the inner wall of the discharge port (6) is slidably connected to a symmetrically arranged sealing plate (7), and the two sealing plates (7) are fixedly connected to the same connecting plate (5) on opposite sides. A rectangular opening is provided in the middle of the discharge port (6), and the connecting plate (5) contacts the inner wall of the rectangular opening. A movable groove (28) is provided on one side of the connecting plate (5), and the inner wall of the movable groove (28) is slidably connected to a second connecting rod (25). The end position of the second connecting rod (25) is fixedly connected to a rectangular pushing plate (24), and the bottom of the rectangular pushing plate (24) contacts the top of the screen plate (20). The outer wall of one side of the blocking plate (4) and the connecting plate (5) is fixedly connected to the same push-pull frame (8).
2. A rubber production particle screening device according to claim 1, characterized in that: A top plate (13) is slidably mounted on the top of the screening box (1), and sieve holes (26) are provided on the screening cylinder (2) at equal intervals and arranged around the top.
3. The rubber production particle screening device according to claim 1, characterized in that: A through hole is provided on the left side of the screening box (1), and a mounting shaft (14) is rotatably connected to the inner wall of the through hole. The end of the mounting shaft (14) is fixedly connected to the left outer wall of the screening cylinder (2).
4. A rubber production particle screening device according to claim 3, characterized in that: A rotating shaft (15) is rotatably mounted on the left outer wall of the screening box (1), a first pulley (16) is fixedly connected to the outer wall of the rotating shaft (15), a second pulley (17) is fixedly connected to the outer wall of the end of the mounting shaft (14), and the first pulley (16) and the second pulley (17) are connected to the same transmission belt (18).
5. A rubber production particle screening device according to claim 4, characterized in that: A mounting frame (9) is fixedly connected to the left outer wall of the screening box (1), a driving motor (10) is fixedly mounted on the mounting frame (9), and an output shaft of the driving motor (10) is connected to the end position of the rotating shaft (15) through a coupling.
6. The rubber production particle screening device according to claim 1, characterized in that: A vibration motor (21) is fixedly mounted on the outer wall of the middle portion of the bottom of the screen plate (20).
7. The rubber production particle screening device according to claim 1, characterized in that: A collection box (3) is slidably mounted on the inner wall of the bottom of the screening box (1), a push-pull plate (12) is fixedly connected to the outer wall of one side of the collection box (3), a rectangular movable opening (11) is opened on one side of the bottom of the screening box (1), and the collection box (3) is slidably connected to the inner wall of the rectangular movable opening (11).