Plastic particle screening device

Abstract

The utility model provides a plastic particle screening device, which relates to the technical field of plastic production and processing, and comprises two bases, a drawer cabinet is fixedly arranged on the top surfaces of the two bases, a collecting box is slidably connected in the drawer cabinet, a shaking assembly is arranged on one side surface of the drawer cabinet, and the shaking assembly is connected with the collecting box. The screening device comprises four supporting frames, a long plate is fixedly installed between every two supporting frames as a group, two sliding plates are slidably connected to the surfaces of the two long plates, sliding blocks are slidably connected to the surfaces of the two supporting rods, a screening box is fixedly installed between the opposite sides of the four sliding blocks, and limiting assemblies are arranged on the surfaces of the inner walls of the two ends of a U-shaped plate. According to the plastic particle screening device, the disc drives the connecting plate to do reciprocating motion, so that the screening box does reciprocating motion, plastic particles can be screened by the screening box, meanwhile, large particles can be prevented from staying at a screen opening all the time, and the screening efficiency of the device is improved; and displacement of the screening box is limited through the limiting plate, so that the screening box can be rapidly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic production and processing, in particular to a plastic particle screening device. Background Art

[0002] Plastic particles are the common name for plastic particles. They are raw materials for storage, transportation and processing of plastics in the form of semi-finished products. They 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. In the process of plastic particle processing, screening is one of the indispensable processes, and screening devices are required.

[0003] However, in the prior art, the overall screening of the plastic particle screening device is mostly performed by artificial shaking, which makes the plastic particle screening operation time longer and leads to low operating efficiency of the operator; and, the screen of the existing plastic particle screening device is mostly fixed by bolts. When the screen of different specifications needs to be replaced, it is inconvenient to remove the screen, resulting in a waste of working time. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a plastic particle screening device, comprising: two bases, drawer cabinets are fixedly installed on the top surfaces of the two bases, a collection box is slidably connected inside the drawer cabinet, a shaking assembly is provided on one side surface of the drawer cabinet, two support frames are fixedly installed on both sides of the top surface of the drawer cabinet, four support frames are fixedly installed with long boards between each group of two, two slides are slidably connected on the surfaces of the two long boards, a U-shaped plate is fixedly installed between opposite sides of the four slides, two support rods are symmetrically fixedly installed on the inner wall surface of one side of the U-shaped plate, two sliders are slidably connected on the surfaces of the two support rods, a screening box is fixedly installed between opposite sides of the four sliders, and limit assemblies are provided on the inner wall surfaces at both ends of the U-shaped plate.

[0006] As a preferred embodiment, the shaking assembly includes a base plate, which is fixedly mounted on a side surface of the drawer cabinet, and two support plates are symmetrically fixedly mounted on the surface of the base plate. The surfaces of the two support plates are connected to a rotating rod through bearings, and a worm gear is fixedly mounted on the surface of the rotating rod.

[0007] As a preferred embodiment, turntables are fixedly installed on the two end surfaces of the rotating rod, short rods are fixedly installed on one side surface of the two turntables, two hinged plates are hinged on one side surface of the U-shaped plate, and the ends of the two hinged plates away from the U-shaped plate are connected to the two short rods through bearings.

[0008] As a preferred embodiment, a frame is fixedly mounted on the top surface of the base plate, a worm is connected between the inner walls at both ends of the frame via bearings, the worm and the worm wheel are meshed with each other, a motor is fixedly mounted on one side surface of the frame, the output end of the motor is fixedly connected to the worm, and a controller is provided on one side surface of the drawer cabinet.

[0009] As a preferred embodiment, the two limit assemblies include two vertical grooves, the two vertical grooves are opened on the inner wall surfaces at both ends of the U-shaped plate, vertical rods are fixedly installed on the upper and lower inner wall surfaces of the two vertical grooves, and the surfaces of the two vertical rods are slidably connected with movable plates.

[0010] As a preferred embodiment, springs are fixedly installed between the two movable plates and the top inner wall surfaces of the two vertical grooves, and a limiting plate is fixedly installed on one end surface of the two movable plates.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. The utility model provides a shaking component. When it is necessary to screen plastic particles, the plastic particles to be screened are first placed inside the screening box, and then the motor is operated through the controller. The operation of the motor drives the worm to rotate, and the rotation of the worm and the worm gear engage with each other, so that the worm gear rotates, and the rotation of the worm gear drives the rotating rod to rotate, and the rotation of the rotating rod drives the two turntables to rotate. The rotation of the two turntables drives the two short plates to move, and the movement of the two short plates drives the two hinged plates to move, and the movement of the two hinged plates drives the U-shaped plate to move back and forth on the surface of the long plate with the help of multiple slides, so that the screening box moves back and forth, and the back and forth movement of the screening box causes the plastic particles inside the screening box to be displaced, which is beneficial for the screening box to screen the plastic particles. At the same time, it can also prevent larger particles from staying at the screen mouth, blocking other particles from falling, thereby improving the screening efficiency of the device.

[0013] When the two movable plates are reset, the two limit plates are released, and the two limit plates are reset to limit the multiple sliders to the surfaces of the two support rods, thereby completing the purpose of replacing the screening box. Through the cooperation of the above structure, the screening box can be quickly replaced and adapted for plastic particles of different sizes, thereby greatly saving working time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the three-dimensional structure of a plastic particle screening device provided by the utility model;

[0015] Figure 2 A right side structural schematic diagram of a plastic particle screening device provided by the utility model;

[0016] Figure 3 A rear structural schematic diagram of a plastic particle screening device provided by the utility model;

[0017] Figure 4 A plastic particle screening device provided by the utility model Figure 2 Schematic diagram of the structure of A.

[0018] Legend:

[0019] 1. Base; 2. Drawer cabinet; 3. Collection box; 4. Shaking assembly; 401. Bottom plate; 402. Support plate; 403. Turntable; 404. Worm gear; 405. Turntable; 406. Short rod; 407. Hinge plate; 408. Frame; 409. Worm; 410. Motor; 411. Controller; 5. Support frame; 501. Long board; 502. Slide plate; 503. U-shaped board; 6. Support rod; 601. Slider; 602. Screening box; 7. Limiting assembly; 701. Vertical slot; 702. Vertical rod; 703. Movable plate; 704. Spring; 705. Limiting plate. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: a plastic particle screening device, comprising: two bases 1, drawer cabinets 2 are fixedly installed on the top surfaces of the two bases 1, a collecting box 3 is slidably connected inside the drawer cabinets 2, a shaking component 4 is provided on one side surface of the drawer cabinet 2, two support frames 5 are fixedly installed on both sides of the top surface of the drawer cabinet 2, four support frames 5 are fixedly installed between each group of two long boards 501, two slide plates 502 are slidably connected on the surfaces of the two long boards 501, a U-shaped plate 503 is fixedly installed between the opposite sides of the four slide plates 502, two support rods 6 are symmetrically fixedly installed on the inner wall surface of one side of the U-shaped plate 503, two sliders 601 are slidably connected on the surfaces of the two support rods 6, a screening box 602 is fixedly installed between the opposite sides of the four sliders 601, and limit components 7 are provided on the inner wall surfaces at both ends of the U-shaped plate 503.

[0022] Specifically, the plurality of support frames 5 play a role in supporting the two long boards 501 , and the two long boards 501 play a role in allowing the plurality of slide plates 502 to slide on their surfaces.

[0023] In one embodiment, the shaking assembly 4 includes a base plate 401, which is fixedly mounted on a side surface of the drawer cabinet 2. Two support plates 402 are symmetrically fixedly mounted on the surface of the base plate 401. The surfaces of the two support plates 402 are connected to a rotating rod 403 through bearings, and a worm gear 404 is fixedly mounted on the surface of the rotating rod 403.

[0024] Specifically, the two support plates 402 play a role in supporting the rotating rod 403 .

[0025] In one embodiment, a turntable 405 is fixedly installed on both end surfaces of the rotating rod 403, a short rod 406 is fixedly installed on one side surface of the two turntables 405, and two hinged plates 407 are hinged on one side surface of the U-shaped plate 503. The ends of the two hinged plates 407 away from the U-shaped plate 503 are connected to the two short rods 406 through bearings.

[0026] Specifically, the two rotating disks 405 drive the two hinged plates 407 to move repeatedly.

[0027] In one embodiment, a frame 408 is fixedly mounted on the top surface of the base plate 401, a worm 409 is connected between the inner walls at both ends of the frame 408 through bearings, the worm 409 and the worm wheel 404 are meshed with each other, a motor 410 is fixedly mounted on one side surface of the frame 408, the output end of the motor 410 is fixedly connected to the worm 409, and a controller 411 is provided on one side surface of the drawer cabinet 2.

[0028] Specifically, the worm 409 drives the worm wheel 404 to rotate, the motor 410 drives the worm 409 to rotate, and the controller 411 controls the motor 410 to turn on and off.

[0029] In one embodiment, the two limiting components 7 include two vertical grooves 701, and the two vertical grooves 701 are opened on the inner wall surfaces at both ends of the U-shaped plate 503. Vertical rods 702 are fixedly installed on the upper and lower inner wall surfaces of the two vertical grooves 701, and the surfaces of the two vertical rods 702 are slidably connected with movable plates 703.

[0030] Specifically: the two vertical rods 702 play a role in allowing the two movable plates 703 to move on the surface.

[0031] In one embodiment, springs 704 are fixedly installed between the two movable plates 703 and the top inner wall surfaces of the two vertical slots 701 , and a limiting plate 705 is fixedly installed on one end surface of the two movable plates 703 .

[0032] Specifically, the two springs 704 serve to limit the positions of the two movable plates 703 on the surfaces of the two vertical rods 702 , and the two limit plates 705 serve to limit the movement of the plurality of sliders 601 .

[0033] Working principle: When it is necessary to screen plastic particles, first place the plastic particles to be screened inside the screening box 602, then operate the motor 410 through the controller 411, the motor 410 drives the worm 409 to rotate, the worm 409 rotates and meshes with the worm wheel 404, so that the worm wheel 404 rotates, the worm wheel 404 rotates and drives the rotating rod 403 to rotate, the rotating rod 403 rotates and drives the two rotating disks 405 to rotate, the two rotating disks 405 rotate and drive the two short plates to move, the two short plates move and drive the two hinged plates 407 to move. The two hinged plates 407 move to drive the U-shaped plate 503 to move back and forth on the surface of the long plate 501 with the help of multiple slides 502, so that the screening box 602 moves back and forth. The back and forth movement of the screening box 602 causes the plastic particles inside the screening box 602 to be displaced, which is beneficial for the screening box 602 to screen the plastic particles. At the same time, it can also prevent larger particles from staying at the screen mesh opening all the time, blocking other particles from falling, thereby improving the screening efficiency of the device; when it is necessary to replace the screening box 602 of different specifications, first push the two movable plates 703 so that the two The two movable plates 703 move on the surfaces of the two vertical rods 702. The movement of the two movable plates 703 on the surfaces of the two vertical rods 702 will squeeze the two springs 704, so that the two springs 704 are compressed. At the same time, the two movable plates 703 will also drive the two limit plates 705 to move. The movement of the two limit plates 705 causes the two support rods 6 to detach from their interiors. The two support rods 6 detach from the interiors of the two limit plates 705, so that the multiple sliders 601 lose their limits on the surfaces of the two support rods 6. At this time, the screening box 602 is removed from the two support rods. The surface of the support rod 6 is used to take out and replace the screening boxes 602 of different specifications. When the screening boxes 602 of different specifications are reset, the two movable plates 703 are loosened at this time, and the two limit plates 705 are reset by utilizing the rebound force of the two springs 704. The two limit plates 705 are reset to limit the multiple sliders 601 to the surfaces of the two support rods 6, thereby completing the purpose of replacing the screening boxes 602. Through the cooperation of the above-mentioned structure, the screening boxes 602 can be quickly replaced and adapted to plastic particles of different sizes, which greatly saves working time.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A plastic particle screening device, characterized in that: include: Two bases (1), drawer cabinets (2) are fixedly mounted on the top surfaces of the two bases (1), a collection box (3) is slidably connected inside the drawer cabinets (2), a shaking assembly (4) is provided on one side surface of the drawer cabinet (2), two support frames (5) are fixedly mounted on both sides of the top surface of the drawer cabinet (2), a long board (501) is fixedly mounted between each group of two of the four support frames (5), two slide plates (502) are slidably connected on the surfaces of the two long boards (501), a U-shaped board (503) is fixedly mounted between opposite sides of the four slide plates (502), two support rods (6) are symmetrically fixedly mounted on the inner wall surface of one side of the U-shaped board (503), two sliders (601) are slidably connected on the surfaces of the two support rods (6), a screening box (602) is fixedly mounted between opposite sides of the four sliders (601), and limit assemblies (7) are provided on the inner wall surfaces at both ends of the U-shaped board (503).

2. A plastic particle screening device according to claim 1, characterized in that: The shaking assembly (4) comprises a bottom plate (401), the bottom plate (401) being fixedly mounted on a side surface of the drawer cabinet (2), two support plates (402) being symmetrically fixedly mounted on the surface of the bottom plate (401), the surfaces of the two support plates (402) being connected to a rotating rod (403) via a bearing, and a worm gear (404) being fixedly mounted on the surface of the rotating rod (403).

3. A plastic particle screening device according to claim 2, characterized in that: A rotating disk (405) is fixedly mounted on both end surfaces of the rotating rod (403), a short rod (406) is fixedly mounted on one side surface of the two rotating disks (405), two hinged plates (407) are hingedly mounted on one side surface of the U-shaped plate (503), and one end of the two hinged plates (407) away from the U-shaped plate (503) is connected to the two short rods (406) via a bearing.

4. A plastic particle screening device according to claim 2, characterized in that: A frame (408) is fixedly mounted on the top surface of the bottom plate (401); a worm (409) is connected between the inner walls at both ends of the frame (408) via bearings; the worm (409) and the worm wheel (404) are meshed with each other; a motor (410) is fixedly mounted on one side surface of the frame (408); an output end of the motor (410) is fixedly connected to the worm (409); and a controller (411) is provided on one side surface of the drawer cabinet (2).

5. A plastic particle screening device according to claim 1, characterized in that: The two limit assemblies (7) include two vertical grooves (701), the two vertical grooves (701) are arranged on the inner wall surfaces at both ends of the U-shaped plate (503), vertical rods (702) are fixedly installed on the inner wall surfaces at the upper and lower ends of the two vertical grooves (701), and the surfaces of the two vertical rods (702) are slidably connected to movable plates (703).

6. A plastic particle screening device according to claim 5, characterized in that: A spring (704) is fixedly installed between the two movable plates (703) and the top inner wall surfaces of the two vertical grooves (701), and a limiting plate (705) is fixedly installed on one end surface of the two movable plates (703).

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