Multi-layer screening equipment for engineering plastic particles
Through the design of multi-layer screening mechanism and cam-driven sliding columns, the problem of existing equipment being difficult to meet the screening of plastic particles of different particle sizes at the same time, achieving efficient, splash-free and clog-free screening effect.
Patent Information
- Application Number
- CN202422561387.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-22
AI Technical Summary
Existing plastic particle sieving equipment usually uses a single-layer screen, which is difficult to meet the screening needs of plastic particles of different particle sizes at the same time. The vibration screening method can easily cause particles to splash and block the screen.
A multi-layer screening mechanism is adopted, including a first motor, a first screen plate, a second screen plate and a third screen plate. The sliding column and a telescopic rod are driven by a cam to achieve repeated movement of the screen plate left and right, and screening is combined with screen plates of different mesh sizes to prevent particles from splashing and clogging.
It realizes efficient screening of plastic particles of different particle sizes, avoids particle splashing and blocking of screen mesh, and improves screening efficiency and accuracy.
Smart Images
Figure CN223236725U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of engineering plastic preparation, and in particular to a multi-layer screening device for engineering plastic particles. Background Art
[0002] Compared with general-purpose plastics, engineering plastics can meet higher requirements in terms of durability, corrosion resistance, heat resistance, etc., and are easier to process. They have replaced some metal materials. Engineering plastics have also become the fastest growing area in today's plastics industry and provide strong support for modern high-tech industries.
[0003] Currently, some plastic particle screening equipment is available on the market, but these devices often suffer from low screening efficiency and insufficient screening accuracy. Traditional plastic particle screening equipment typically uses a single-layer screen for screening. Due to the limited screen aperture, it is difficult to simultaneously screen plastic particles of different particle sizes. To improve screening efficiency, some equipment uses vibratory screening, but this method is prone to problems such as particle splashing and screen clogging. Utility Model Content
[0004] The purpose of the present invention is to solve or at least alleviate the problem in the prior art that traditional plastic particle screening equipment usually adopts a single-layer screen for screening, and due to the limitation of the screen aperture, it is difficult to simultaneously meet the screening requirements of plastic particles of different particle sizes.
[0005] To achieve the above object, the utility model provides the following technical solution: a multi-layer screening device for engineering plastic particles, comprising a screening box, a feed hopper is provided on the top of the screening box, and a screening mechanism for particle screening is provided inside the screening box;
[0006] The screening mechanism includes a first motor, a first sieve plate, a second sieve plate and a third sieve plate. The first sieve plate and the second sieve plate are symmetrically fixed with two telescopic rods. The two telescopic rods are provided with telescopic springs for repeatedly moving the first sieve plate and the second sieve plate. The two telescopic rods are fixedly installed on the inner wall of one side of the screening box. The outer walls of one side of the first sieve plate and the second sieve plate are fixedly installed with sliding columns. One end of the two sliding columns passes through the inner wall of one side of the screening box and is exposed to the outside. The output end of the first motor is fixedly installed with a long column, and two cams are fixedly sleeved on the long column.
[0007] By adopting the above technical solution, by starting the first motor, the output end of the first motor will drive the long column and the two cams to rotate, and the rotation of the two cams will drive the two sliding columns, the first screen plate and the second screen plate to move. The first screen plate and the second screen plate move and are compressed with the telescopic rod and the telescopic spring, so that the first screen plate and the second screen plate can be repeatedly moved left and right to complete the screening, and plastic particles of different particle sizes can be screened through the first sieve plate, the second sieve plate and the third sieve plate, and there will be no particle splashing and clogging of the screen.
[0008] Optionally, the two cams are in contact with two sliding posts respectively.
[0009] By adopting the above technical solution, the two cams are respectively arranged to contact the two sliding posts, thereby facilitating the sliding posts to move.
[0010] Optionally, the mesh holes on the first sieve plate are larger than the mesh holes on the second sieve plate.
[0011] By adopting the above technical solution, the mesh holes on the first sieve plate are set to be larger than the mesh holes on the second sieve plate, thereby facilitating the screening of plastic particles of different particle sizes.
[0012] Optionally, the third sieve plate is fixedly mounted on the inner walls on both sides of the screening box, and baffles for preventing particles from falling are fixedly mounted on the top outer walls of the first sieve plate, the second sieve plate and the third sieve plate.
[0013] By adopting the above technical solution, a baffle is provided to prevent particles from falling.
[0014] Optionally, a first box body is fixedly mounted on one side outer wall of the screening box, the first motor is fixedly mounted on the top outer wall of the first box body, and the first box body wraps the cam inside.
[0015] By adopting the above technical solution, the first box body is provided to play the role of auxiliary installation and protection.
[0016] Optionally, push plates are slidably mounted on the first screen plate, the second screen plate and the third screen plate, and sliding plates are fixedly mounted on one side outer wall of the three push plates, the same connecting plate is fixedly mounted on one side outer wall of the three sliding plates, a screw is rotatably mounted on one side outer wall of the screening box, a threaded block is screwed on the screw, and the threaded block is fixedly connected to the connecting plate, a second box body is fixedly mounted on one side outer wall of the screening box, a second motor is fixedly mounted on one side inner wall of the second box body, and the output end of the second motor is fixedly connected to the screw.
[0017] By adopting the above technical solution, by starting the second motor, the output end of the second motor will drive the screw to rotate, and the rotation of the screw will drive the threaded block, the connecting plate, the three sliding plates and the three pusher plates to move.
[0018] Optionally, a discharge mechanism is provided on one side outer wall of the screening box, and the discharge mechanism includes a discharge plate. A discharge port is opened on one side outer wall of the screening box, and the discharge plate is hinged in the discharge port. A pull block is fixedly installed on one side outer wall of the discharge plate.
[0019] By adopting the above technical solution, the discharging plate can be opened easily by providing a pull block.
[0020] Optionally, a support plate is fixedly installed on one side outer wall of the screening box, a collection box is provided on the top outer wall of the support plate, a card slot is opened on the top outer wall of the support plate, a card block is slidably installed in the card slot, and the card block is fixedly connected to the collection box, and the top of the collection box is hollow.
[0021] By adopting the above technical solution, the card slot and the card block are provided so as to play an auxiliary limiting role.
[0022] In summary, the beneficial effects of this application are as follows:
[0023] 1. The new model of the present application adopts the cooperation of cams, etc., by starting the first motor, the output end of the first motor will drive the long column and the two cams to rotate, the rotation of the two cams will drive the two sliding columns, the first screen plate and the second screen plate to move, the first screen plate and the second screen plate move and cooperate with the compression telescopic rod and the telescopic spring, so that the first screen plate and the second screen plate can be repeatedly moved left and right to complete the screening, and the first screen plate, the second screen plate and the third screen plate can be used to screen plastic particles of different particle sizes, and there will be no particle splashing and clogging of the screen.
[0024] 2. The new model of the present application adopts the cooperation of the push plate, etc., by starting the second motor, the output end of the second motor will drive the screw to rotate, and the rotation of the screw will drive the threaded block, the connecting plate, the three sliding plates and the three push plates to move. The movement of the push plate can drop the plastic particles after screening from the discharge port into the collection box, thereby completing the collection of plastic particles of different particle sizes, which is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the entire application;
[0026] Figure 2 This is a schematic diagram of the first sieve plate of this application;
[0027] Figure 3 It is a schematic diagram of the telescopic rod of the present application;
[0028] Figure 4 It is a schematic diagram of the support plate of this application.
[0029] Explanation of the accompanying drawings: In the figure: 1. Screening box; 2. Feed hopper; 3. First box body; 4. Second box body; 5. Discharge port; 6. Discharge plate; 7. Pull block; 8. Support plate; 9. Collecting box; 10. Telescopic rod; 11. Telescopic spring; 12. Baffle; 13. First motor; 14. Long column; 15. Cam; 16. Sliding column; 17. First sieve plate; 18. Second sieve plate; 19. Third sieve plate; 20. Second motor; 21. Screw; 22. Threaded block; 23. Connecting plate; 24. Sliding plate; 25. Push plate; 26. Slot; 27. Block. DETAILED DESCRIPTION
[0030] The following is combined with Figure 1-4 This application is described in further detail.
[0031] See also Figure 1-3 A multi-layer screening device for engineering plastic particles includes a screening box 1, a feed hopper 2 is provided on the top of the screening box 1, and a screening mechanism for particle screening is provided inside the screening box 1; the plastic particles are screened by size by setting the screening mechanism.
[0032] The screening mechanism includes a first motor 13, a first sieve plate 17, a second sieve plate 18 and a third sieve plate 19. The first sieve plate 17, the second sieve plate 18 and the third sieve plate 19 can be used to screen plastic particles of different particle sizes without the phenomenon of particle splashing and clogging of the screen. The first sieve plate 17 and the second sieve plate 18 are symmetrically fixed with two telescopic rods 10. The two telescopic rods 10 are provided with telescopic springs 11 for repeatedly moving the first sieve plate 17 and the second sieve plate 18. The two telescopic rods 10 are fixedly installed on the inner wall of one side of the screening box 1. The outer wall of one side of the first sieve plate 17 and the second sieve plate 18 are fixedly installed with sliding columns 16. One end of the two sliding columns 16 passes through the inner wall of one side of the screening box 1 and is exposed to the outside. The output end of the first motor 13 is fixedly installed with a long column 14, and two cams 15 are fixedly sleeved on the long column 14.
[0033] During use, by starting the first motor 13, the output end of the first motor 13 will drive the long column 14 and the two cams 15 to rotate, and the rotation of the two cams 15 will drive the two sliding columns 16, the first sieve plate 17 and the second sieve plate 18 to move, and the first sieve plate 17 and the second sieve plate 18 move and compress the telescopic rod 10 and the telescopic spring 11, so that the first sieve plate 17 and the second sieve plate 18 can be repeatedly moved left and right to complete the screening, and the first sieve plate 17, the second sieve plate 18 and the third sieve plate 19 can be used to screen plastic particles of different particle sizes, and there will be no particle splashing and clogging of the screen.
[0034] Reference Figure 1 and Figure 3 , the two cams 15 are respectively in contact with the two sliding posts 16. By arranging the two cams 15 to be respectively in contact with the two sliding posts 16, it is convenient to drive the sliding posts 16 to move.
[0035] Reference Figure 3 , the mesh holes on the first sieve plate 17 are larger than the mesh holes on the second sieve plate 18. By setting the mesh holes on the first sieve plate 17 to be larger than the mesh holes on the second sieve plate 18, it is convenient to screen plastic particles of different particle sizes.
[0036] Reference Figure 3 The third sieve plate 19 is fixedly mounted on the inner walls on both sides of the screening box 1, and the top outer walls of the first sieve plate 17, the second sieve plate 18 and the third sieve plate 19 are all fixedly mounted with baffles 12 for preventing particles from falling. The baffles 12 are provided to prevent particles from falling.
[0037] Reference Figure 1 and Figure 2 The first box body 3 is fixedly mounted on one side outer wall of the screening box 1, and the first motor 13 is fixedly mounted on the top outer wall of the first box body 3. The first box body 3 wraps the cam 15. By setting the first box body 3, the auxiliary installation and protection functions can be achieved.
[0038] Reference Figure 1 and Figure 3, a push plate 25 is slidably mounted on the first sieve plate 17, the second sieve plate 18 and the third sieve plate 19, and a sliding plate 24 is fixedly mounted on one side outer wall of the three push plates 25, and a same connecting plate 23 is fixedly mounted on one side outer wall of the three sliding plates 24, a screw rod 21 is rotatably mounted on one side outer wall of the screening box 1, a threaded block 22 is screwed on the screw rod 21, and the threaded block 22 is fixedly connected to the connecting plate 23, a second box body 4 is fixedly mounted on one side outer wall of the screening box 1, a second motor 20 is fixedly mounted on one side inner wall of the second box body 4, and the output end of the second motor 20 is fixedly connected to the screw rod 21. By starting the second motor 20, the output end of the second motor 20 will drive the screw rod 21 to rotate, and the rotation of the screw 21 will drive the threaded block 22, the connecting plate 23, the three sliding plates 24 and the three push plates 25 to move.
[0039] Reference Figure 1 and Figure 2 The outer wall of one side of the screening box 1 is provided with a discharge mechanism, which includes a discharge plate 6. A discharge port 5 is opened on the outer wall of one side of the screening box 1, and the discharge plate 6 is hinged in the discharge port 5. A pull block 7 is fixedly installed on the outer wall of one side of the discharge plate 6. The pull block 7 is provided to facilitate opening the discharge plate 6.
[0040] Reference Figure 4 A support plate 8 is fixedly mounted on one side of the outer wall of the screening box 1. A collection box 9 is provided on the top outer wall of the support plate 8. A slot 26 is provided on the top outer wall of the support plate 8. A block 27 is slidably mounted in the slot 26. The block 27 is fixedly connected to the collection box 9. The top of the collection box 9 is hollow. The slot 26 and the block 27 can serve as an auxiliary limit.
[0041] The implementation principle of the present application is as follows: when in use, first pour the particles from the feed hopper 2 into the screening box 1, and then by starting the first motor 13, the output end of the first motor 13 will drive the elongated column 14 and the two cams 15 to rotate, and the rotation of the two cams 15 will drive the two sliding columns 16, the first sieve plate 17 and the second sieve plate 18 to move, and the first sieve plate 17 and the second sieve plate 18 move and compress the telescopic rod 10 and the telescopic spring 11, thereby making the first sieve plate 17 and the second sieve plate 18 repeatedly move left and right and complete the screening, and through the first sieve plate 17, the second sieve plate 18 and the third sieve plate 19, plastic particles of different particle sizes can be screened, and there will be no particle splashing and clogging of the screen;
[0042] When it is necessary to collect the plastic particles after screening, first open the corresponding discharge plate 6, and then start the second motor 20. The output end of the second motor 20 will drive the screw 21 to rotate. The rotation of the screw 21 will drive the threaded block 22, the connecting plate 23, the three sliding plates 24 and the three pushing plates 25 to move. The movement of the pushing plate 25 can drop the plastic particles after screening from the discharge port 5 into the collection box 9, thereby completing the collection of plastic particles of different particle sizes.
[0043] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A multi-layer screening device for engineering plastic particles, comprising a screening box (1), wherein a feed hopper (2) is provided on the top of the screening box (1), characterized in that: The screening box (1) is provided with a screening mechanism for particle screening; The screening mechanism comprises a first motor (13), a first sieve plate (17), a second sieve plate (18) and a third sieve plate (19), the first sieve plate (17) and the second sieve plate (18) are both symmetrically fixedly mounted with two telescopic rods (10), the two telescopic rods (10) are both provided with telescopic springs (11) for repeatedly moving the first sieve plate (17) and the second sieve plate (18), the two telescopic rods (10) are both fixedly mounted on one inner wall of the screening box (1), the first sieve plate (17) and the second sieve plate (18) are both fixedly mounted with sliding columns (16), one end of each sliding column (16) passes through one inner wall of the screening box (1) and is exposed to the outside, the output end of the first motor (13) is fixedly mounted with a long column (14), and two cams (15) are fixedly sleeved on the long column (14).
2. The multi-layer screening device for engineering plastic particles according to claim 1, characterized in that: The two cams (15) are in contact with two sliding posts (16) respectively.
3. The multi-layer screening device for engineering plastic particles according to claim 1, characterized in that: The mesh holes on the first sieve plate (17) are larger than the mesh holes on the second sieve plate (18).
4. The multi-layer screening device for engineering plastic particles according to claim 3, characterized in that: The third sieve plate (19) is fixedly mounted on the inner walls on both sides of the screening box (1), and baffles (12) for preventing particles from falling are fixedly mounted on the top outer walls of the first sieve plate (17), the second sieve plate (18), and the third sieve plate (19).
5. The multi-layer screening device for engineering plastic particles according to claim 2, characterized in that: A first box body (3) is fixedly mounted on one side outer wall of the screening box (1), the first motor (13) is fixedly mounted on the top outer wall of the first box body (3), and the first box body (3) encloses the cam (15).
6. The multi-layer screening device for engineering plastic particles according to claim 4, characterized in that: The first sieve plate (17), the second sieve plate (18) and the third sieve plate (19) are all slidably mounted with push plates (25), and one side outer wall of each of the three push plates (25) is fixedly mounted with a sliding plate (24), and one side outer wall of each of the three sliding plates (24) is fixedly mounted with a same connecting plate (23). A screw rod (21) is rotatably mounted on one side outer wall of the screening box (1), a threaded block (22) is screwed onto the screw rod (21), and the threaded block (22) is fixedly connected to the connecting plate (23). A second box body (4) is fixedly mounted on one side outer wall of the screening box (1), and a second motor (20) is fixedly mounted on one side inner wall of the second box body (4), and an output end of the second motor (20) is fixedly connected to the screw rod (21).
7. The multi-layer screening device for engineering plastic particles according to claim 1, characterized in that: The outer wall of one side of the screening box (1) is provided with a discharge mechanism, and the discharge mechanism includes a discharge plate (6). A discharge port (5) is opened on the outer wall of one side of the screening box (1), and the discharge plate (6) is hinged in the discharge port (5). A pull block (7) is fixedly installed on the outer wall of one side of the discharge plate (6).
8. The multi-layer screening device for engineering plastic particles according to claim 7, characterized in that: A support plate (8) is fixedly mounted on one side outer wall of the screening box (1), a collection box (9) is provided on the top outer wall of the support plate (8), a card slot (26) is provided on the top outer wall of the support plate (8), a card block (27) is slidably mounted in the card slot (26), and the card block (27) is fixedly connected to the collection box (9), and the top of the collection box (9) is hollow.