Plastic particle screening equipment
By designing the difference in screen mesh pore sizes of the screen partition box and screen trough and the inclination of the guide plate, combined with the screen driving mechanism, the problem that existing equipment cannot divide and screen plastic particles with different particle sizes is solved, and efficient plastic particle sieving is achieved , reducing labor and equipment costs.
Patent Information
- Application Number
- CN202420962864.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The existing screening equipment for plastic particle processing is mostly single-stage screening, and it is impossible to effectively screen plastic particles of different particle sizes, resulting in the need to replace the screen or equipment, which increases the labor intensity and equipment cost.
A plastic particle sieve separation equipment is designed, including a screening box, two screening troughs and a screen driving mechanism that drives the screening trough to move up and down. The screening troughs are realized through screening mesh and guide structures. The difference in screen mesh pore size and the inclination design of the guide plate ensure sufficient screening of particles.
It realizes efficient screening of plastic particles of different particle sizes, reduces labor and equipment costs, and improves screening efficiency and effect.
Smart Images
Figure CN222241282U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of plastic particle screening, in particular to a plastic particle screening device. Background Art
[0002] Plastic granules are raw materials for plastic storage, transportation and processing in the form of semi-finished products. Plastic granules need to be screened before use to make them suitable for the production of different products.
[0003] Due to the limitation of the screen mesh of the screening equipment, most of the existing particle screening equipment for plastic product processing is single-stage screening. When it is necessary to screen plastic particles of different particle sizes, the screen mesh or even the equipment needs to be replaced, which increases the labor intensity and equipment cost. Utility Model Content
[0004] The main technical problem solved by the utility model is to provide a plastic particle screening device, which is convenient for screening plastic particles with different particle sizes.
[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: a plastic particle screening device, comprising a screening box, two screening material troughs and a screening material driving mechanism for driving the screening material troughs to move up and down, wherein the two screening material troughs are located inside the screening box;
[0006] The bottom of the screening trough is a screen, and the two opposite ends of the screening trough are respectively a feed end and a discharge end, and the feed end is higher than the discharge end, so that after screening, the plastic particles with larger particle sizes fall out from the side discharge port after passing through the slots of the screening trough, and the plastic particles with smaller particle sizes fall downward, and the side wall of the screening trough is provided with a slot, and the slot is located at the discharge end, and the outer wall of the screening trough is provided with a guide block, and the inner wall of the sub-screening box is provided with an inwardly concave guide groove, and the guide groove is installed with a guide rod, and the guide rod passes through the guide block to make the screening trough move up and down along the inner wall of the sub-screening box, and a spring is provided between the guide block and the guide groove, and the spring is sleeved on the guide rod;
[0007] The two screening troughs are respectively a first screening trough and a second screening trough, the first screening trough is located above the second screening trough, the aperture of the sieve of the first screening trough is larger than the aperture of the sieve of the second screening trough, so as to screen plastic particles of different particle sizes;
[0008] The top of the screening box is provided with a feed port, the bottom of the screening box is provided with a bottom discharge port, and the side wall of the screening box is provided with two side discharge ports, and the two side discharge ports correspond to the slots of the two screening troughs respectively.
[0009] Furthermore, the screening drive mechanism includes a turntable, a connecting rod and a rotating drive motor that drives the turntable to rotate. The side walls of the screening trough extend outward to form a connecting block. The connecting block is provided with a connecting groove. The connecting rod is inserted into the connecting groove, and the connecting rod is eccentrically installed on the turntable. The turntable is connected to the rotating drive motor, and the rotating drive motor is fixed to the screening box. The rotating drive motor drives the turntable to rotate, and the connecting rod of the turntable drives the screening trough to swing up and down through the connecting groove to prevent plastic particles from staying on the screen and ensure the screening efficiency.
[0010] Furthermore, two guide plates are provided inside the screening box, one of which is located above the first screening trough, and the other of the two guide plates is located above the second screening trough. The guide plates are arranged at an angle and gradually tilt downward from the discharge end to the feed end, thereby guiding the plastic particles to the feed end of the screening trough, ensuring that the plastic particles can fully pass through the screen and ensuring the screening effect.
[0011] Furthermore, the bottom surface of the sub-screening box is an inclined surface, and the inclined surface is gradually inclined downward from the side wall of the sub-screening box to the center.
[0012] Furthermore, the side wall of the sub-screening box is provided with two material receiving troughs, and the two material receiving troughs correspond to the two side discharge ports respectively, and the material receiving troughs are provided with discharge ports.
[0013] Furthermore, support feet are installed at the bottom of the screening box.
[0014] Furthermore, the sub-screen box is provided with a clearance groove corresponding to the connecting block.
[0015] Furthermore, the bottom of the discharge end is extended to form an extension plate.
[0016] The beneficial effects of the present invention include at least the following points:
[0017] The utility model is provided with a screening box, two screening troughs and a screening driving mechanism for driving the screening troughs to move up and down, the two screening troughs are respectively a first screening trough and a second screening trough, the first screening trough is located above the second screening trough, the aperture of the screen of the first screening trough is larger than the aperture of the screen of the second screening trough, so as to screen plastic particles of different particle sizes;
[0018] The two opposite ends of the screening trough of the utility model are respectively a feeding end and a discharging end, the feeding end is higher than the discharging end, and the screening trough is shaken up and down by the screening driving mechanism, so that the plastic particles with larger particle sizes after screening fall out from the side discharging port after passing through the slots of the screening trough, and the plastic particles with smaller particle sizes fall downward;
[0019] The screening material driving mechanism of the utility model comprises a turntable, a connecting rod and a rotating driving motor for driving the turntable to rotate. The rotating driving motor drives the turntable to rotate, and the connecting rod of the turntable drives the screening slot to swing up and down through the connecting slot to prevent plastic particles from staying on the screen and ensure the screening efficiency.
[0020] The guide plate of the utility model is inclined and gradually inclined downward from the discharge end to the feed end, thereby guiding the plastic particles to the feed end of the screening trough, ensuring that the plastic particles can fully pass through the screen and ensuring the screening effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of the utility model;
[0022] Figure 2 It is one of the cross-sectional views of the utility model;
[0023] Figure 3 This is the second cross-sectional view of the utility model;
[0024] Figure 4 The utility model Figure 3 A magnified view of point A;
[0025] Figure 5 It is a cross-sectional view of the screening trough and the screening driving mechanism of the utility model;
[0026] Figure 6 The utility model Figure 5 The enlarged view of point B;
[0027] Figure 7 It is a structural schematic diagram of the screening trough of the utility model;
[0028] Figure 8 It is a structural schematic diagram of a turntable of the utility model;
[0029] The parts in the accompanying drawings are marked as follows:
[0030] 1. Screening box; 11. Guide groove; 12. Guide rod; 13. Spring; 14. Feed port; 15. Bottom discharge port; 16. Side discharge port; 17. Inclined surface; 18. Support foot; 19. Make way slot; 2. Screening trough; 21. Screen; 22. Feed end; 23. Discharge end; 24. Slot; 25. Guide block; 26. Connecting block; 261. Connecting groove; 27. Extension plate; 31. Turntable; 32. Connecting rod; 33. Rotating drive motor; 4. Guide plate; 5. Receiving trough; 51. Discharge port. DETAILED DESCRIPTION
[0031] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.
[0032] Embodiment: A plastic particle screening device, such as Figure 1 He Ru Figure 2 As shown, it includes a screening box 1, two screening material troughs 2 and a screening material driving mechanism for driving the screening material troughs 2 to move up and down, and the two screening material troughs 2 are located inside the screening box 1;
[0033] like Figure 7 As shown, the bottom of the screening trough 2 is a screen 21, and the opposite ends of the screening trough 2 are a feed end 22 and a discharge end 23, respectively. The feed end 22 is higher than the discharge end 23. The side wall of the screening trough 2 is provided with a slot 24, and the slot 24 is located at the discharge end 23. The outer wall of the screening trough 2 is provided with a guide block 25. Figure 3 and Figure 4 As shown, the inner wall of the sub-screening box 1 is provided with an inwardly recessed guide groove 11, and the guide groove 11 is installed with a guide rod 12, and the guide rod 12 passes through the guide block 25 to enable the screening trough 2 to move up and down along the inner wall of the sub-screening box 1, and a spring 13 is provided between the guide block 25 and the guide groove 11, and the spring 13 is sleeved on the guide rod 12, and the setting of the spring facilitates the screening trough to move up and down;
[0034] The two screening troughs 2 are respectively a first screening trough 2 and a second screening trough 2, the first screening trough 2 is located above the second screening trough 2, and the aperture of the screen 21 of the first screening trough 2 is larger than the aperture of the screen 21 of the second screening trough 2;
[0035] The top of the screening box 1 is provided with a feed port 14, the bottom of the screening box 1 is provided with a bottom discharge port 15, and the side wall of the screening box 1 is provided with two side discharge ports 16, which correspond to the slots 24 of the two screening troughs 2 one by one.
[0036] During specific implementation, the upper and lower widths of the side discharge port are greater than the upper and lower widths of the slot.
[0037] like Figure 5 He Ru Figure 6 As shown, the screening material driving mechanism includes a turntable 31, a connecting rod 32 and a rotation driving motor 33 for driving the turntable 31 to rotate. The side wall of the screening material trough 2 extends outward to form a connecting block 26. The connecting block 26 is provided with a connecting groove 261. The connecting rod 32 is inserted into the connecting groove 261. Figure 8As shown, the connecting rod 32 is eccentrically mounted on the turntable 31 , the turntable 31 is connected to a rotation drive motor 33 , and the rotation drive motor 33 is fixed to the screening box 1 .
[0038] Two guide plates 4 are provided inside the screening box 1, one of the two guide plates 4 is located above the first screening trough 2, and the other of the two guide plates 4 is located above the second screening trough 2, and the guide plates 4 are inclined and gradually inclined downward from the discharge end 23 to the feed end 22.
[0039] The bottom surface of the sub-screening box 1 is an inclined surface 17 , and the inclined surface 17 is gradually inclined downward from the side wall of the sub-screening box 1 to the center.
[0040] The side wall of the screening box 1 is provided with two receiving grooves 5 , and the two receiving grooves 5 correspond to the two side discharge ports 16 respectively, and the receiving grooves 5 are provided with a discharge port 51 .
[0041] During specific implementation, the bottom discharge port and the discharge port are both provided with control valves.
[0042] A supporting foot 18 is installed at the bottom of the screening box 1 .
[0043] The screening box 1 is provided with a clearance groove 19 corresponding to the connecting block 26 .
[0044] The bottom of the discharge end 23 is extended to form an extension plate 27, which is conducive to the plastic particles falling into the receiving trough.
[0045] The working principle of the utility model is as follows: plastic particles are poured into the screening box from the feed port, the plastic particles are guided to the feed end of the first screening trough through the guide plate, the rotating drive motor drives the turntable to rotate, the connecting rod of the turntable drives the first screening trough to shake up and down through the connecting groove, the large-diameter plastic particles fall from the slot of the first screening trough into the receiving trough, and the medium-diameter and small-diameter plastic particles fall from the screen of the first screening trough;
[0046] The plastic particles are guided to the feed end of the second screening trough by the guide plate, and the rotating drive motor drives the turntable to rotate. The connecting rod of the turntable drives the second screening trough to swing up and down through the connecting groove. The medium-sized plastic particles fall into the receiving trough from the slot of the second screening trough, and the small-sized plastic particles fall from the screen of the second screening trough and fall to the bottom discharge port.
[0047] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made 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 plastic particle screening device, characterized in that: It comprises a screening box (1), two screening material troughs (2) and a screening material driving mechanism for driving the screening material troughs to move up and down, wherein the two screening material troughs are located inside the screening box; The bottom of the screening trough is a screen (21), and the opposite ends of the screening trough are respectively a feed end (22) and a discharge end (23), wherein the feed end is higher than the discharge end, and a side wall of the screening trough is provided with a slot (24), wherein the slot is located at the discharge end, and an outer wall of the screening trough is provided with a guide block (25), and an inner wall of the sub-screening box is provided with an inwardly recessed guide groove (11), wherein a guide rod (12) is installed in the guide groove, wherein the guide rod passes through the guide block so that the screening trough moves up and down along the inner wall of the sub-screening box, and a spring (13) is provided between the guide block and the guide groove, and the spring is sleeved on the guide rod; The two screening troughs are respectively a first screening trough and a second screening trough, the first screening trough is located above the second screening trough, and the aperture of the sieve of the first screening trough is larger than the aperture of the sieve of the second screening trough; The top of the screening box is provided with a feed port (14), the bottom of the screening box is provided with a bottom discharge port (15), and the side wall of the screening box is provided with two side discharge ports (16), and the two side discharge ports correspond to the slots of the two screening troughs respectively.
2. The plastic particle screening device according to claim 1, characterized in that: The screening material driving mechanism comprises a turntable (31), a connecting rod (32) and a rotating drive motor (33) for driving the turntable to rotate. The side wall of the screening material trough extends outward to form a connecting block (26). The connecting block is provided with a connecting groove (261). The connecting rod is inserted into the connecting groove and the connecting rod is eccentrically mounted on the turntable. The turntable is connected to the rotating drive motor, and the rotating drive motor is fixed to the screening box.
3. The plastic particle screening device according to claim 1, characterized in that: Two guide plates (4) are arranged inside the screening box, one of the two guide plates is located above the first screening trough, and the other of the two guide plates is located above the second screening trough, and the guide plates are arranged obliquely and gradually tilt downward from the discharge end to the feed end.
4. The plastic particle screening device according to claim 1, characterized in that: The bottom surface of the sub-screening box is an inclined surface (17), and the inclined surface is gradually inclined downward from the side wall of the sub-screening box to the center.
5. The plastic particle screening device according to claim 1, characterized in that: The side wall of the screening box is provided with two material receiving grooves (5), and the two material receiving grooves correspond to the two side discharge ports respectively, and the material receiving groove is provided with a discharge port (51).
6. The plastic particle screening device according to claim 1, characterized in that: The bottom of the screening box is provided with supporting feet (18).
7. The plastic particle screening device according to claim 2, characterized in that: The sub-screen box is provided with a clearance groove (19) corresponding to the connecting block.
8. The plastic particle screening device according to claim 1, characterized in that: The bottom of the discharge end is extended to form an extension plate (27).