Screening equipment for plastic particles
By designing the cutting mechanism and automatic cleaning system in the plastic particle screening equipment, the problems of inefficiency of existing equipment and screen clogging are solved, and more efficient screening and automated cleaning are achieved.
Patent Information
- Application Number
- CN202421539448.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing plastic particle screening equipment is inefficient during use, and the screen mesh is easily blocked by large plastics, affecting the screening effect.
A feeding mechanism including tooth plate, gear, rotary rod, discharge roller and limit block is designed. The tooth plate and gear drive the rotation rod and discharge roller to rotate through the pneumatic cylinder to achieve uniform discharge, and the movement plate and connecting block are driven by the driving motor and threaded rod to automatically clean the large particle plastic on the screen.
It improves the efficiency of plastic particle screening equipment, reduces the probability of screen clogging, and reduces the labor intensity of operators.
Smart Images
Figure CN222875046U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic particle screening, and more specifically, to a screening device for plastic 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, 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] Operators often use corresponding screening equipment to screen plastic particles during the processing of plastic particles. In actual use, although the existing screening equipment has basic screening functions, most of the general screening equipment will add all the raw materials at one time, which not only reduces the screening efficiency of the equipment, but also increases the probability of the screen being blocked by large plastic particles. Therefore, it needs to be improved. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a screening device for plastic particles, which has the advantage of uniform material discharge.
[0005] To achieve the above purpose, the utility model provides the following technical solution: a screening device for plastic particles, comprising:
[0006] A casing, wherein a feed port is fixedly sleeved inside the middle of the top of the casing, and a transverse groove is provided on the right side of the top of the casing;
[0007] A material discharge mechanism, wherein the material discharge mechanism is arranged on the top of the casing;
[0008] Among them, the unloading mechanism includes a first pneumatic cylinder, which is fixedly installed in the front right side of the top of the casing, and the other end of the first pneumatic cylinder is fixedly connected with a toothed plate, and a limit block is fixedly installed on the bottom of the toothed plate, and the outer surface of the limit block is movably connected to the inside of the transverse groove, and the top of the toothed plate is meshingly connected with a gear, and a rotating rod is fixedly sleeved inside the gear, and the other end of the rotating rod passes through the feed port and extends to the inside of the feed port, and the outer surface of the rotating rod is fixedly sleeved with a unloading roller located inside the feed port, and the outer surface of the unloading roller is movably connected to the inner surface of the feed port, and the forward and backward movement of the toothed plate will cause the unloading roller to rotate.
[0009] As a preferred technical solution of the utility model, a screen is movably connected to the middle of the inner cavity of the casing, a rectangular groove is opened in the middle of the back of the casing, a rectangular block is fixedly connected to the right side of the screen, and the outer surface of the rectangular block is movably connected to the inner surface of the casing.
[0010] As a preferred technical solution of the utility model, a second pneumatic cylinder is fixedly installed in the middle of the back side of the casing, and the other end of the second pneumatic cylinder is fixedly connected to a fixed block, the outer surface of the fixed block is movably connected to the inside of the rectangular groove, and the back side of the fixed block is fixedly installed to the middle of the back side of the screen.
[0011] As a preferred technical solution of the utility model, an inclined plate is fixedly installed below the left side of the casing inner cavity, and the left side and the middle of the bottom of the casing inner cavity are movably connected to the first collection box and the second collection box respectively.
[0012] As a preferred technical solution of the utility model, a driving motor is fixedly installed on the left side of the back of the casing, and the other end of the output shaft of the driving motor is fixedly sleeved with a threaded rod, and the other end of the threaded rod penetrates the casing and extends to the interior of the casing and is movably sleeved with the front side of the inner cavity of the casing.
[0013] As a preferred technical solution of the utility model, a limiting rod is fixedly installed on the right side of the middle part of the inner cavity of the casing, and a movable block is movably sleeved on the outer surface of the limiting rod. The inner part of the top of the movable block is threadedly sleeved with the outer surface of the threaded rod, and an inclined rod is hinged on the left side of the movable block. The other end of the inclined rod is hinged with a moving plate, and the outer surfaces of the moving plate are movably connected to the top of the screen and the inner surface of the casing respectively.
[0014] As a preferred technical solution of the utility model, the tops of the front and back sides of the inner cavity of the casing are provided with slide grooves, and the interior of the slide grooves is movably connected with connecting blocks. There are two connecting blocks, which are respectively fixedly mounted on the tops of both sides of the moving plate.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0016] 1. The utility model is provided with a toothed plate, a gear, a rotating rod, a feeding roller and a limit block. When the first pneumatic cylinder starts to operate, the toothed plate drives the limit block to move horizontally backward under the limiting action of the transverse groove, so that the gear drives the rotating rod to rotate, and the feeding roller starts to rotate inside the feeding port, thereby achieving the purpose of uniform feeding and improving the efficiency of the screening operation of the equipment.
[0017] 2. The utility model sets a moving plate, a threaded rod, a limiting rod, a movable block and an inclined rod. When the driving motor starts to run, the threaded rod starts to rotate. At this time, under the limiting action of the limiting rod, the movable block moves horizontally backward and drives the inclined rod to start moving, so that the moving plate drives the connecting block to move horizontally to the left under the limiting action of the slide slot, thereby pushing large plastic particles that fail to pass through the screen into the interior of the No. 1 collection box, realizing the function of automatically cleaning the surface of the screen, reducing the labor intensity of the operator, and improving the efficiency of the screening operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a structural schematic diagram of the back side of the utility model;
[0020] Figure 3 It is a cross-sectional structural schematic diagram of the side of the utility model;
[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the front side of the utility model;
[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the top of the threaded rod of the utility model.
[0023] In the figure: 1. casing; 2. feeding port; 3. transverse groove; 4. first pneumatic cylinder; 5. tooth plate; 6. gear; 7. rotating rod; 8. unloading roller; 9. limiting block; 10. sieve; 11. rectangular block; 12. second pneumatic cylinder; 13. fixed block; 14. rectangular groove; 15. inclined plate; 16. No. 1 collecting box; 17. No. 2 collecting box; 18. slide; 19. moving plate; 20. connecting block; 21. driving motor; 22. threaded rod; 23. limiting rod; 24. movable block; 25. inclined rod. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] like Figures 1 to 5 As shown, the utility model provides a screening device for plastic particles, comprising:
[0026] The casing 1 has a feed port 2 fixedly sleeved inside the middle of the top of the casing 1, and a transverse groove 3 is provided on the right side of the top of the casing 1;
[0027] A material discharge mechanism, which is arranged on the top of the casing 1;
[0028] Among them, the unloading mechanism includes a first pneumatic cylinder 4, which is fixedly installed in the front right side of the top of the casing 1, and the other end of the first pneumatic cylinder 4 is fixedly connected to a tooth plate 5, and a limit block 9 is fixedly installed at the bottom of the tooth plate 5. The outer surface of the limit block 9 is movably connected to the inside of the transverse groove 3, and the top of the tooth plate 5 is meshingly connected with a gear 6. The inside of the gear 6 is fixedly sleeved with a rotating rod 7, and the other end of the rotating rod 7 passes through the feed port 2 and extends to the inside of the feed port 2. The outer surface of the rotating rod 7 is fixedly sleeved with a unloading roller 8 located inside the feed port 2, and the outer surface of the unloading roller 8 is movably connected to the inner surface of the feed port 2. The forward and backward movement of the tooth plate 5 will cause the unloading roller 8 to rotate.
[0029] When the first pneumatic cylinder 4 starts to operate, under the limiting action of the transverse groove 3, the tooth plate 5 will drive the limiting block 9 to move horizontally backward, and the gear 6 will drive the rotating rod 7 to start rotating, so that the unloading roller 8 will start to rotate inside the feed port 2.
[0030] Among them, a screen 10 is movably connected to the middle of the inner cavity of the casing 1, a rectangular groove 14 is opened in the middle of the back of the casing 1, a rectangular block 11 is fixedly connected to the right side of the screen 10, and the outer surface of the rectangular block 11 is movably connected to the inner surface of the casing 1.
[0031] When the screen 10 moves, the rectangular block 11 will be driven to move horizontally left and right under the limiting effect of the housing 1 .
[0032] Among them, a second pneumatic cylinder 12 is fixedly installed in the middle of the back side of the casing 1, and the other end of the second pneumatic cylinder 12 is fixedly connected to a fixed block 13, the outer surface of the fixed block 13 is movably connected to the inside of the rectangular groove 14, and the back side of the fixed block 13 is fixedly installed with the middle part of the back side of the screen 10.
[0033] When the second pneumatic cylinder 12 starts to move, the fixing block 13 will drive the screen 10 to move horizontally left and right under the limiting effect of the rectangular groove 14 .
[0034] Among them, an inclined plate 15 is fixedly installed at the lower left side of the inner cavity of the casing 1, and a first collecting box 16 and a second collecting box 17 are movably connected to the left side and the middle of the bottom of the inner cavity of the casing 1 respectively.
[0035] When the large plastic particles roll down from the upper surface of the screen 10 , they will slide into the interior of the No. 1 collecting box 16 under the guidance of the inclined plate 15 .
[0036] Among them, a driving motor 21 is fixedly installed on the left side of the back of the casing 1, and a threaded rod 22 is fixedly sleeved on the other end of the output shaft of the driving motor 21. The other end of the threaded rod 22 penetrates the casing 1 and extends to the interior of the casing 1 and is movably sleeved with the front side of the inner cavity of the casing 1.
[0037] When the driving motor 21 starts to run, the threaded rod 22 will rotate.
[0038] Among them, a limiting rod 23 is fixedly installed on the right side of the middle part of the inner cavity of the casing 1, and a movable block 24 is movably sleeved on the outer surface of the limiting rod 23. The inner part of the top of the movable block 24 is threadedly sleeved with the outer surface of the threaded rod 22. An inclined rod 25 is hinged on the left side of the movable block 24, and a moving plate 19 is hinged on the other end of the inclined rod 25. The outer surfaces of the moving plate 19 are movably connected to the top of the screen 10 and the inner surface of the casing 1 respectively.
[0039] When the threaded rod 22 rotates, under the limiting action of the limiting rod 23, the movable block 24 moves horizontally backward and drives the inclined rod 25 to start moving, so that the moving plate 19 moves leftward along the top of the screen 10.
[0040] Among them, the top of the front and back of the inner cavity of the casing 1 are both provided with a slide groove 18, and the inside of the slide groove 18 is movably connected with a connecting block 20. There are two connecting blocks 20, and the two connecting blocks 20 are fixedly installed on the top of both sides of the moving plate 19 respectively.
[0041] When the moving plate 19 moves, the connecting block 20 will be driven to move horizontally left and right under the limiting effect of the sliding groove 18 .
[0042] The working principle and use process of this utility model:
[0043] First, the plastic particles to be screened are added through the feed port 2, and then the first pneumatic cylinder 4 is started, which will cause the tooth plate 5 to drive the limit block 9 to move horizontally backward under the limiting action of the transverse groove 3, and the gear 6 will drive the rotating rod 7 and the discharge roller 8 to start rotating, thereby achieving the purpose of uniform discharge and improving the efficiency of the screening operation of the equipment.
[0044] Then, the second pneumatic cylinder 12 is started, and the fixed block 13 drives the screen 10 and the rectangular block 11 to move horizontally left and right under the limiting action of the rectangular groove 14 and the casing 1. At this time, the screening operation will be carried out, and the small plastic particles that meet the requirements will pass through the screen 10 and fall into the second collecting box 17. After working for a long time, a large number of large plastic particles are accumulated on the top of the screen 10, affecting the screening efficiency of the screen 10. When the screen 10 moves to the far right, the drive motor 21 is started, which will cause the threaded rod 22 to rotate. The movable block 24 is rotated, and the movable block 24 moves horizontally backward under the limiting action of the limiting rod 23, and drives the inclined rod 25 to move, so that the movable plate 19 drives the connecting block 20 to move horizontally to the left along the top of the screen 10 under the limiting action of the slide slot 18, and pushes the large-grained plastic particles to fall into the interior of the No. 1 collecting box 16 under the guidance of the inclined plate 15, thereby achieving the purpose of cleaning the large-grained plastic particles on the surface of the screen 10, reducing the labor intensity of the operators, and improving the efficiency of the screening operation of the equipment.
[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A screening device for plastic particles, characterized in that: Included are: A casing (1), wherein a feed inlet (2) is fixedly sleeved inside the middle of the top of the casing (1), and a transverse groove (3) is provided on the right side of the top of the casing (1); A material discharge mechanism, the material discharge mechanism being arranged on the top of the casing (1); The unloading mechanism comprises a first pneumatic cylinder (4), which is fixedly mounted at the front right side of the top of the casing (1); the other end of the first pneumatic cylinder (4) is fixedly connected to a toothed plate (5); a limit block (9) is fixedly mounted at the bottom of the toothed plate (5); the outer surface of the limit block (9) is movably connected to the inside of the transverse groove (3); the top of the toothed plate (5) is meshedly connected to a gear (6); the inside of the gear (6) is fixedly sleeved with a rotating rod (7); the other end of the rotating rod (7) passes through the feed port (2) and extends to the inside of the feed port (2); the outer surface of the rotating rod (7) is fixedly sleeved with a unloading roller (8) located inside the feed port (2); the outer surface of the unloading roller (8) is movably connected to the inner surface of the feed port (2); the forward and backward movement of the toothed plate (5) causes the unloading roller (8) to rotate.
2. A screening device for plastic particles according to claim 1, characterized in that: A screen (10) is movably connected to the middle of the inner cavity of the casing (1), a rectangular groove (14) is provided in the middle of the back of the casing (1), a rectangular block (11) is fixedly connected to the right side of the screen (10), and the outer surface of the rectangular block (11) is movably connected to the inner surface of the casing (1).
3. A screening device for plastic particles according to claim 1, characterized in that: A second pneumatic cylinder (12) is fixedly mounted in the middle of the back side of the casing (1), and a fixing block (13) is fixedly connected to the other end of the second pneumatic cylinder (12). The outer surface of the fixing block (13) is movably connected to the inside of the rectangular groove (14), and the back side of the fixing block (13) is fixedly mounted to the middle of the back side of the screen (10).
4. A screening device for plastic particles according to claim 1, characterized in that: An inclined plate (15) is fixedly installed below the left side of the inner cavity of the casing (1), and a first collection box (16) and a second collection box (17) are movably connected to the left side and the middle of the bottom of the inner cavity of the casing (1), respectively.
5. The screening device for plastic particles according to claim 1, characterized in that: A drive motor (21) is fixedly mounted on the left side of the back side of the casing (1); a threaded rod (22) is fixedly sleeved on the other end of the output shaft of the drive motor (21); the other end of the threaded rod (22) penetrates the casing (1) and extends to the interior of the casing (1) and is movably sleeved on the front side of the inner cavity of the casing (1).
6. A screening device for plastic particles according to claim 1, characterized in that: A limiting rod (23) is fixedly installed on the right side of the middle of the inner cavity of the casing (1); a movable block (24) is movably sleeved on the outer surface of the limiting rod (23); the inner part of the top of the movable block (24) is threadedly sleeved on the outer surface of the threaded rod (22); an inclined rod (25) is hingedly connected to the left side of the movable block (24); the other end of the inclined rod (25) is hingedly connected to a moving plate (19); the outer surface of the moving plate (19) is movably connected to the top of the screen (10) and the inner surface of the casing (1), respectively.
7. A screening device for plastic particles according to claim 1, characterized in that: The top of the front and back of the inner cavity of the housing (1) are both provided with a slide groove (18), and the interior of the slide groove (18) is movably connected with a connecting block (20). The number of the connecting blocks (20) is two, and the two connecting blocks (20) are respectively fixedly mounted on the top of both sides of the moving plate (19).