A kind of anti-blocking vibrating screen for the production of plastic recycled particles
By designing anti-blocking vibration screens in the production of plastic recycled particles, using sliding frames, motors, eccentric wheels and screen structures, the problem of cumbersome blockage and screen disassembly and assembly is solved, and efficient screening and convenient operation is achieved.
Patent Information
- Application Number
- CN202421396134.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-19
AI Technical Summary
In the production of existing plastic recycled pellets, the pellets are prone to clogging the screen plate, affecting the screening effect. Different types of pellets need to be disassembled and replaced with filter plates, which is cumbersome.
An anti-blocking vibration screen is designed, which adopts a sliding frame, motor, eccentric wheel and screen structure. The eccentric wheel is driven to rotate through the motor to make the screen move back and forth, preventing blockage, and the fixed plate is driven through the threaded rod to facilitate the disassembly, assembly and replacement of the screen.
It prevents screen clogging, simplifies the disassembly and assembly process of screen, is simple and convenient to operate, and improves the screening efficiency of plastic regenerated particles.
Smart Images

Figure CN222741865U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic particle production, in particular to an anti-blocking vibrating screen for the production of plastic recycled particles. Background Art
[0002] Plastic particles refer to granular plastics, which are generally divided into more than 200 types and subdivided into thousands of types. Common plastic particles include general-purpose plastics, silicone soft plastics, engineering plastics, and special plastics. General-purpose plastics: polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane, etc. Engineering plastics: nylon, polytetrafluoroethylene, polyoxymethylene, polycarbonate silicone, etc. Special plastics: thermosetting plastics, functional polymer plastics.
[0003] In the prior art, plastic recycled particles need to be screened using a vibrating screen during production. In actual use, the particles are easily blocked by the screen plate, which affects the screening effect of the particles. The screen plate is usually fixed inside the screening equipment with bolts. The sizes of plastic recycled particles of different models are not the same. When screening different particles, the filter plate needs to be disassembled and replaced, which is cumbersome and inconvenient to use. Therefore, we propose an anti-blocking vibrating screen for the production of plastic recycled particles to solve the above-mentioned problems. Utility Model Content
[0004] The utility model aims to solve the problem in the prior art that, in actual use, particles are easily blocked in the screen plate, thus affecting the screening effect of the particles, and the screen plate is usually fixed inside the screening equipment with bolts. The sizes of different types of plastic recycled particles are not the same. When screening different particles, the filter plate needs to be disassembled and replaced, which is cumbersome and inconvenient to use. A blocking-proof vibrating screen for the production of plastic recycled particles is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A blocking-proof vibrating screen for producing recycled plastic particles, comprising a housing;
[0007] A sliding frame, a motor, an eccentric wheel and a screen, wherein the sliding frame is slidably connected to the inner wall of the housing, the motor is fixedly connected to the inner wall of the housing, the eccentric wheel is fixedly connected to the front side of the motor, the screen is movably connected to the inner wall of the sliding frame, and the outer wall of the eccentric wheel is in movably contact with the bottom of the screen;
[0008] A threaded rod and a fixed plate, wherein the threaded rod is rotatably connected to the front side of the screen, the screen is a hollow structure, and two fixed plates are symmetrically slidably connected to the inner wall of the screen, and the inner wall of the sliding frame is symmetrically provided with fixed grooves, and the number of the fixed grooves is two, and the two fixed grooves are adapted to the corresponding fixed plates;
[0009] A control mechanism is connected to the threaded rod, and the control mechanism is used to drive the fixed plate to move.
[0010] As a preferred solution of the utility model, the control mechanism includes a threaded plate, a cross bar, a push rod, a transmission plate and a transmission rod;
[0011] The threaded plate is fixedly connected to the front side of the fixed plate on the left side, and the front side of the threaded plate extends to the outside of the screen, the inner wall of the threaded plate is threadedly connected to the outer wall of the threaded rod, the cross bar is fixedly connected to the right side of the fixed plate on the left side, the push rod is rotatably connected to the front side of the cross bar, the transmission plate is slidably connected to the inner wall of the screen, and the front side of the transmission plate is rotatably connected to the rear side of the push rod, the transmission rod is rotatably connected to the front side of the transmission plate, and the rear side of the transmission rod is rotatably connected to the front side of the fixed plate on the right side
[0012] As a preferred solution of the utility model, the inner wall of the shell is symmetrically fixedly connected with sliding rods, and the number of the sliding rods is two, and the two sliding rods both penetrate the sliding frame.
[0013] As a preferred solution of the utility model, the outer walls of the two slide rods are sleeved with return springs, the bottoms of the two return springs are fixedly connected to the inner wall of the shell, and the tops of the two return springs are fixedly connected to the bottom of the slide frame.
[0014] As a preferred solution of the utility model, the inner wall of the screen is fixedly connected to a limiting frame, and the limiting frame passes through the transmission plate.
[0015] As a preferred solution of the utility model, a positioning spring is fixedly connected to the right side of the limiting frame, and the right side of the positioning spring is fixedly connected to the left side of the fixing plate located on the right side.
[0016] Beneficial effects:
[0017] 1. The motor drives the eccentric wheel to rotate and make the screen reciprocate, so as to prevent the screen from being blocked. The threaded rod rotates to drive the control mechanism to move the fixed plate. The fixed plate moves to fix or unlock the screen, so as to disassemble and replace the screen.
[0018] 2. When the threaded rod rotates, the threaded plate connected with the thread moves to the right. When the threaded plate moves, it drives the fixed plate on the left to move to the right and drives the cross bar to move to the right. At this time, the movement of the cross bar will push the push rod. At this time, the movement of the push rod will push the transmission plate down. When the transmission plate moves, it will pull the transmission rod to make the fixed plate on the right move to the left. At this time, the two fixed plates move to the side close to each other and break away from the fixed groove to unlock the screen;
[0019] The utility model discloses the screen is convenient for cleaning by the reciprocating rotation of the eccentric wheel, realizes the effect of preventing the screen from being blocked, and the fixing plate is driven to move by the rotation of the threaded rod, so that the screen is convenient for fixing or unlocking, realizes the effect of convenient disassembly, assembly and replacement of the screen, and the operation is simple and convenient, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the main cross-section of the utility model;
[0021] Figure 2 It is a structural schematic diagram of a partial front and cross-sectional view of the sliding frame and the screen of the utility model;
[0022] Figure 3 It is a schematic diagram of the structure of the main cross-section of the screen of the utility model;
[0023] Figure 4 It is a three-dimensional diagram of the fixing plate and the threaded plate of the utility model.
[0024] In the figure: 1. housing; 2. slide frame; 3. return spring; 4. motor; 5. eccentric wheel; 6. screen; 7. threaded rod; 8. threaded plate; 9. fixed plate; 10. cross bar; 11. push rod; 12. transmission plate; 13. transmission rod; 14. positioning spring. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0026] Example
[0027] Reference Figure 1-Figure 4 , a blocking-proof vibrating screen for producing recycled plastic particles, comprising a housing 1;
[0028] The slide frame 2, the motor 4, the eccentric wheel 5 and the screen 6, the slide frame 2 is slidably connected to the inner wall of the shell 1, the motor 4 is fixedly connected to the inner wall of the shell 1, the eccentric wheel 5 is fixedly connected to the front side of the motor 4, the screen 6 is movably connected to the inner wall of the slide frame 2, and the outer wall of the eccentric wheel 5 is in movably contact with the bottom of the screen 6;
[0029] The threaded rod 7 and the fixed plate 9, the threaded rod 7 is rotatably connected to the front side of the screen 6, the screen 6 is a hollow structure, the two fixed plates 9 are symmetrically slidably connected to the inner wall of the screen 6, the inner wall of the slide frame 2 is symmetrically provided with fixed grooves, and the number of the fixed grooves is two, and the two fixed grooves are adapted to the corresponding fixed plates 9;
[0030] A control mechanism is connected to the threaded rod 7 and is used to drive the fixed plate 9 to move.
[0031] By means of the above mechanism: the motor 4 conveniently drives the eccentric wheel 5 to rotate so that the screen 6 moves back and forth, thereby preventing the screen 6 from being blocked, and the threaded rod 7 is conveniently driven to rotate to drive the control mechanism to move the fixed plate 9, and the fixed plate 9 is conveniently moved to fix or unlock the screen 6, so that the screen 6 can be disassembled, assembled and replaced.
[0032] As a preferred solution of the utility model, the control mechanism includes a threaded plate 8, a cross bar 10, a push rod 11, a transmission plate 12 and a transmission rod 13; the threaded plate 8 is fixedly connected to the front side of the fixed plate 9 located on the left, and the front side of the threaded plate 8 extends to the outside of the screen 6, the inner wall of the threaded plate 8 is threadedly connected to the outer wall of the threaded rod 7, the cross bar 10 is fixedly connected to the right side of the fixed plate 9 located on the left, the push rod 11 is rotatably connected to the front side of the cross bar 10, the transmission plate 12 is slidably connected to the inner wall of the screen 6, and the front side of the transmission plate 12 is rotatably connected to the rear side of the push rod 11, and the transmission rod 13 is connected to the front side of the cross bar 10. 3 is rotatably connected to the front side of the transmission plate 12, and the rear side of the transmission rod 13 is rotatably connected to the front side of the fixed plate 9 on the right side. When the threaded rod 7 rotates, the threaded plate 8 connected by the thread will move right. When the threaded plate 8 moves, it will drive the fixed plate 9 on the left to move right and drive the cross bar 10 to move right. At this time, the movement of the cross bar 10 will push the push rod 11. At this time, the movement of the push rod 11 will push the transmission plate 12 down. When the transmission plate 12 moves, it will pull the transmission rod 13 to make the fixed plate 9 on the right move left. At this time, the two fixed plates 9 move to the side close to each other and break away from the fixed groove to unlock the screen 6.
[0033] As a preferred solution of the utility model, the inner wall of the shell 1 is symmetrically fixedly connected with sliding rods, and the number of sliding rods is two, both of which pass through the sliding frame 2. The sliding rods are used to conveniently limit the sliding frame 2 so that the sliding frame 2 and the screen 6 can only move vertically.
[0034] As a preferred solution of the utility model, the outer walls of the two sliding rods are sleeved with reset springs 3, the bottoms of the two reset springs 3 are fixedly connected to the inner wall of the outer shell 1, and the tops of the two reset springs 3 are fixedly connected to the bottom of the sliding frame 2. Through the elastic force of the reset springs 3, the sliding frame 2 can be conveniently driven to move down and reset.
[0035] As a preferred solution of the utility model, the inner wall of the screen 6 is fixedly connected to a limiting frame, and the limiting frame penetrates the transmission plate 12. The limiting frame is used to conveniently limit the transmission plate 12 so that the transmission plate 12 can move vertically stably.
[0036] As a preferred solution of the utility model, a positioning spring 14 is fixedly connected to the right side of the limit frame, and the right side of the positioning spring 14 is fixedly connected to the left side of the fixed plate 9 on the right side. The elastic force of the positioning spring 14 is used to facilitate pushing the fixed plate 9 on the right side to move right and reset.
[0037] It should be noted that the specific type of motor 4 to be used is selected by the relevant technical personnel familiar with the field, and the above motor 4 and the like belong to the existing technology and will not be elaborated in this solution.
[0038] The working principle of the utility model: in actual use, when it is necessary to screen the recycled plastic particles, the top and bottom of the shell 1 are respectively provided with an inlet and a discharge port, the particles to be screened are poured into the shell 1 through the inlet on the top of the shell 1, and the particles are screened through the screen 6, and the motor 4 is powered by an external power supply. The rotation of the output shaft of the motor 4 will drive the eccentric wheel 5 to rotate, thereby pushing the screen 6, and the upward movement of the screen 6 will drive the slide frame 2 to move and stretch the reset spring 3, when the eccentric wheel 5 is out of contact with the screen 6, the reset spring 3 loses its restriction and will pull the slide frame 2 down and drive the screen 6 to move down and reset, and the reciprocating rotation of the eccentric wheel 5 makes it convenient to clean the screen 6 to prevent the screen 6 from being blocked, and when the screen 6 needs to be disassembled and replaced, the threaded rod 7 is rotated, and the threaded plate 8 connected with the thread will move right when the threaded rod 7 rotates. When the threaded plate 8 moves, it will drive the fixed plate 9 on the left to move right and drive the cross bar 10 to move right. At this time, the movement of the cross bar 10 will push the push rod 11. At this time, the push rod 11 moves to push the transmission plate 12 down. When the transmission plate 12 moves, it will pull the transmission rod 13 to make the fixed plate 9 on the right move left. At this time, the two fixed plates 9 move to the side close to each other and disengage from the fixed groove to unlock the screen 6. At this time, the screen 6 can be pulled out and replaced. When installing the screen 6, the screen 6 is inserted into the slide frame 2 and reset by rotating the threaded rod 7. The rotation of the threaded rod 7 will drive the threaded plate 8 to move horizontally and reset. At the same time, the movement of the threaded plate 8 will drive the fixed plate 9 on the left to move left. At this time, the positioning spring 14 loses its restriction and pushes the fixed plate 9 on the right to move right. At this time, the two fixed plates 9 move to the side away from each other and engage with the fixed groove to fix the screen 6, thereby achieving the effect of disassembling and assembling the screen 6.
[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A blocking-proof vibrating screen for the production of recycled plastic particles, characterized in that: include Housing (1); A sliding frame (2), a motor (4), an eccentric wheel (5) and a screen (6), wherein the sliding frame (2) is slidably connected to the inner wall of the outer shell (1), the motor (4) is fixedly connected to the inner wall of the outer shell (1), the eccentric wheel (5) is fixedly connected to the front side of the motor (4), the screen (6) is movably connected to the inner wall of the sliding frame (2), and the outer wall of the eccentric wheel (5) is in movably contact with the bottom of the screen (6); A threaded rod (7) and a fixed plate (9), wherein the threaded rod (7) is rotatably connected to the front side of the screen (6), the screen (6) is a hollow structure, and two fixed plates (9) are symmetrically slidably connected to the inner wall of the screen (6), and the inner wall of the sliding frame (2) is symmetrically provided with fixed grooves, and the number of the fixed grooves is two, and the two fixed grooves are adapted to the corresponding fixed plates (9); A control mechanism is connected to the threaded rod (7), and is used to drive the fixed plate (9) to move.
2. The anti-blocking vibrating screen for producing recycled plastic particles according to claim 1, characterized in that: The control mechanism comprises a threaded plate (8), a cross bar (10), a push rod (11), a transmission plate (12) and a transmission rod (13); The threaded plate (8) is fixedly connected to the front side of the fixed plate (9) located on the left side, and the front side of the threaded plate (8) extends to the outside of the screen (6), the inner wall of the threaded plate (8) is threadedly connected to the outer wall of the threaded rod (7), the cross bar (10) is fixedly connected to the right side of the fixed plate (9) located on the left side, the push rod (11) is rotatably connected to the front side of the cross bar (10), the transmission plate (12) is slidably connected to the inner wall of the screen (6), and the front side of the transmission plate (12) is rotatably connected to the rear side of the push rod (11), the transmission rod (13) is rotatably connected to the front side of the transmission plate (12), and the rear side of the transmission rod (13) is rotatably connected to the front side of the fixed plate (9) located on the right side.
3. The anti-blocking vibrating screen for producing recycled plastic particles according to claim 1, characterized in that: The inner wall of the housing (1) is symmetrically fixedly connected with sliding rods, and the number of the sliding rods is two, and both sliding rods pass through the sliding frame (2).
4. The anti-blocking vibrating screen for producing recycled plastic particles according to claim 1, characterized in that: The outer walls of the two slide rods are sleeved with return springs (3), the bottoms of the two return springs (3) are fixedly connected to the inner wall of the outer shell (1), and the tops of the two return springs (3) are fixedly connected to the bottom of the slide frame (2).
5. The anti-blocking vibrating screen for producing recycled plastic particles according to claim 2, characterized in that: The inner wall of the screen (6) is fixedly connected to a limiting frame, and the limiting frame passes through the transmission plate (12).
6. The anti-blocking vibrating screen for producing recycled plastic particles according to claim 5, characterized in that: A positioning spring (14) is fixedly connected to the right side of the limiting frame, and the right side of the positioning spring (14) is fixedly connected to the left side of the fixing plate (9) located on the right side.