Plastic particle screening device

By designing an internal screening box and a cam mechanism-driven screening device, the problem of multiple screenings required by traditional plastic granule screening equipment has been solved, achieving efficient screening of multi-specification granules and simplifying the operation process.

CN224103280UActive Publication Date: 2026-04-10SHANDONG HENGYING CHEMICAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG HENGYING CHEMICAL TECHNOLOGY CO LTD
Filing Date
2025-05-14
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional plastic granule screening equipment mostly adopts a single-stage vibrating screen structure. A single-stage screen can only separate particles within a single particle size range, resulting in multiple screenings or screen replacements for products of various specifications, making the process cumbersome and time-consuming.

Method used

A device comprising an inner screening box, a side fixed seat, a connecting support column, and a screening screen is designed. The screen moves up and down by a rotating rod driven by a motor and a cam mechanism. Combined with the inner screening box, it performs primary and secondary screening, simplifying the screening process.

Benefits of technology

It achieves efficient screening of plastic granules, reduces operation steps, improves screening efficiency, and simplifies the processing flow of products with multiple specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic particle screening device which comprises a supporting frame. The plastic particle screening device has the advantages that the inner screening box, the side fixing bases, the connecting supporting columns and the screening net are arranged, the connecting supporting columns drive the screening net to move synchronously when the inner screening box moves up and down, primary screening is conducted on plastic particles through the screening net, the screening effect is good, and the screening effect is good. According to the plastic particle screening device, plastic particles are screened, then the plastic particles fall into the inner screening box to be subjected to secondary screening treatment, the plastic particles are screened, the screened plastic particles fall into the material guiding base to be discharged, and the screened plastic particles are conveniently collected and treated; a rotating rod, a cam and a motor are arranged, so that the effect that the output end of the motor drives the rotating rod to rotate is achieved; the rotating rod drives the cam on the outer side to rotate and adjust, the inner screening box is jacked through the cam, the inner screening box drives the side fixing base to press the spring on the outer side of the limiting sliding rod, and auxiliary reset treatment is conveniently conducted on the side fixing base and the inner screening box through the spring.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening device, concretely to a plastic particle screening device. BACKGROUND

[0002] Plastic particles are granular materials made of high molecular polymers through processes such as melting, extrusion and granulation, and are direct raw materials for plastic product production. In the production process, due to differences in raw material mixing, melting and extrusion, granulation and other process links, as well as impurities mixed in recycled plastics or particle size fluctuations of different batches of raw materials, the particle size distribution of the final particles is often uneven. Traditional plastic particle screening relies on operators to separate particles through screens, and existing screening equipment mostly adopts single-stage vibrating screen structure. Single-stage screens can only separate particles within a single particle size range, and multiple screening or screen replacement is required for multi-specification product requirements, which is complicated and time-consuming. SUMMARY

[0003] The utility model aims at providing a plastic particle screening device to solve the problem of traditional plastic particle screening relying on operators to separate particles through screens, and existing screening equipment mostly adopting single-stage vibrating screen structure. Single-stage screens can only separate particles within a single particle size range, and multiple screening or screen replacement is required for multi-specification product requirements, which is complicated and time-consuming.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a plastic particle screening device, comprising:

[0005] A support frame;

[0006] A fixed support frame is fixedly connected to the top of the support frame;

[0007] An inner screening box is slidably arranged on the inner side of the support frame, and the outer side of the inner screening box is symmetrically provided with a side fixing seat, which is slidably connected with the fixed support frame;

[0008] A connecting strut is symmetrically arranged on the top of the side fixing seat;

[0009] A screening mesh is fixedly connected to the top of the connecting strut;

[0010] A rotating rod is rotatably arranged on the inner side of the support frame, and the outer side of the rotating rod is symmetrically fixedly connected with a cam cooperating with the inner screening box.

[0011] As a preferred embodiment of the utility model: it further comprises a limiting slide rod, which is symmetrically fixedly connected to the top of the side fixing seat, and the outer side of the fixed support frame is symmetrically fixedly connected with a side fixing plate, the limiting slide rod is slidably connected with the side fixing plate, the outer side of the limiting slide rod is sleeved with a spring, and the top end of the limiting slide rod is fixedly connected with a limiting disc.

[0012] As a preferred scheme of the utility model: the top of support frame is fixedly connected with support top frame, the screening net is slidably connected with the support top frame, the inside of support top frame is fixedly connected with feeding frame, the top of screening net is fixedly connected with top baffle plate.

[0013] As a preferred scheme of the utility model: the both sides of inner screening box are fixedly connected with maintenance side plate through bolt.

[0014] As a preferred scheme of the utility model: the outside of inner screening box is fixedly connected with rubber support matched with side fixed seat.

[0015] As a preferred scheme of the utility model: the side of support frame is installed with motor, the output end of motor is fixedly connected with rotating rod, the bottom of support frame is installed with material guide seat through bolt.

[0016] Compared with the prior art, the utility model has the advantages that: through being provided with inner screening box, side fixed seat, connecting pillar and screening net, realize that when the inner screening box moves up and down, the screening net is driven to move synchronously through connecting pillar, the plastic particles are preliminarily screened through screening net, then drop into the inner screening box to carry out secondary screening treatment, the plastic particles are screened, and after screening, drop into the material guide seat to carry out discharging, so as to conveniently collect and treat the screened plastic particles, through being provided with rotating rod, cam and motor, realize that the output end of motor drives the rotating rod to rotate, the rotating rod drives the cam on the outside to rotate and adjust, the inner screening box is jolted through the cam, the side fixed seat drives the spring on the outside of limiting sliding rod to press, and the side fixed seat and the inner screening box are conveniently assisted to reset through the spring. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is overall structure schematic view of the utility model;

[0018] Figure 2 It is right view of the utility model;

[0019] Figure 3 It is inner screening box structure schematic view of the utility model;

[0020] Figure 4 It is side fixed seat, connecting pillar structure schematic view of the utility model.

[0021] In the figure: 1, support frame; 2, fixed support frame; 3, inner screening box; 4, support top frame; 5, feeding frame; 6, side fixed seat; 7, connecting support column; 8, screening net; 9, top baffle; 10, limiting slide rod; 11, spring; 12, side fixed plate; 13, rubber support; 14, maintenance side plate; 15, rotating rod; 16, cam; 17, motor; 18, limiting disc; 19, material guide seat. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1 to 4 The present application provides a technical solution: a plastic particle screening device, comprising: a support frame 1; a fixed support frame 2 is fixed on the top of the support frame 1 by bolts; an inner screening box 3 is slidingly arranged on the inner side of the support frame 1, and the outer side of the inner screening box 3 is symmetrically fixed with a side fixed seat 6, and the side fixed seat 6 is slidingly connected with the fixed support frame 2; a connecting support column 7 is symmetrically fixed on the top of the side fixed seat 6; a screening net 8 is fixed on the top of the connecting support column 7; a rotating rod 15 is rotatably arranged on the inner side of the support frame 1, and the outer side of the rotating rod 15 is symmetrically fixed with a cam 16 matched with the inner screening box 3.

[0024] It should be noted that in the embodiment, the device is controlled by the external controller, the external power supply is powered on, the rotating rod 15 is driven to rotate by the output end of the motor 17, the rotating rod 15 drives the outer cam 16 to rotate when rotating, the inner screening box 3 is jacked by the cam 16, the inner screening box 3 moves upwards to drive the side fixed seat 6 and the connecting column 7 to move upwards, the connecting column 7 drives the screening net 8 to move upwards, the side fixed seat 6 drives the limiting slide rod 10 and the side fixed plate 12 to slide when moving upwards, the side fixed seat 6 presses the spring 11, the plastic particles that need to be screened are put into the screening net 8 through the feeding frame 5, the primary screening is performed on the plastic particles through the screening net 8, the screened material falls out from one side of the screening net 8, and a collecting box is arranged on one side of the screening net 8 to collect the particles that are not successfully screened, the plastic particles screened by the screening net 8 fall into the inner screening box 3, the secondary screening is performed on the plastic particles through the inner screening box 3, the plastic particles that are successfully screened fall into the guide seat 19, and the discharging is performed on the plastic particles through the guide seat 19, when the rotating rod 15 and the cam 16 continue to rotate, the spring 11 resets and drives the side fixed seat 6, the inner screening box 3, the connecting column 7 and the screening net 8 to move downwards, the side fixed seat 6 presses the rubber support 13, the rotating rod 15 and the cam 16 continue to rotate, and the plastic particles are continuously screened through the inner screening box 3 and the screening net 8.

[0025] In one embodiment, as shown in Figures 1 to 4 The limiting slide rod 10 is symmetrically fixed to the top of the side fixed seat 6, the outer side of the fixed support frame 2 is symmetrically fixed with the side fixed plate 12, the limiting slide rod 10 is in sliding connection with the side fixed plate 12, the outer side of the limiting slide rod 10 is sleeved with the spring 11, and the top end of the limiting slide rod 10 is fixed with the limiting disc 18.

[0026] It should be noted that in the embodiment, the inner screening box 3 moves upwards to drive the side fixed seat 6 to move upwards, the side fixed seat 6 drives the limiting slide rod 10 to move upwards, the spring 11 is pressed by the side fixed seat 6, the side fixed seat 6 and the inner screening box 3 are reset by the spring 11, the up-down reciprocating movement is completed, and the plastic particles are screened.

[0027] In one embodiment, as shown in Figures 1 to 4 The top of the support frame 1 is fixed with the support top frame 4, the screening net 8 is in sliding connection with the support top frame 4, the inside of the support top frame 4 is fixed with the feeding frame 5, and the top of the screening net 8 is symmetrically fixed with the top baffle 9.

[0028] It should be noted that in the embodiment, the top baffle 9 symmetrically arranged at the top of the screening net 8 guides the plastic particles, and the primary screening is performed on the plastic particles through the screening net 8.

[0029] In one embodiment, as shown in Figures 1 to 4As shown, the two sides of the inner screening box 3 are bolted with maintenance side plates 14.

[0030] It should be noted that in the embodiment, the bolt connecting the maintenance side plate 14 and the inner screening box 3 is removed, the maintenance side plate 14 is removed, and the un-screened plastic particles in the inner screening box 3 are taken out and cleaned.

[0031] In one embodiment, as shown in the drawings, Figures 1 to 4 As shown, the outer side of the inner screening box 3 is symmetrically fixed with a rubber support 13 matched with the side fixing seat 6.

[0032] It should be noted that in the embodiment, the side fixing seat 6 is buffered by the rubber support 13.

[0033] In one embodiment, as shown in the drawings, Figures 1 to 3 As shown, one side of the support frame 1 is provided with a motor 17, the output end of the motor 17 is fixedly connected with the rotating rod 15, and the bottom of the support frame 1 is bolted with a material guide seat 19.

[0034] It should be noted that in the embodiment, the output end of the motor 17 drives the rotating rod 15 to rotate, and the rotating rod 15 drives the outer cam 16 to rotate and adjust.

[0035] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0036] In addition, the terms "first", "second", "third", "fourth" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features with "first", "second", "third", "fourth" can explicitly or implicitly include at least one of the features.

[0037] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0038] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plastics particle sizing apparatus characterized by, Include: Support frame (1); Fixed support frame (2) is fixedly connected to the top of the support frame (1); The inner sieve box (3) is slidably arranged on the inner side of the support frame (1), the outer side of the inner sieve box (3) is symmetrically provided with a side fixing seat (6), and the side fixing seat (6) is slidably connected with the fixed support frame (2); The connecting column (7) is symmetrically arranged on the top of the side fixing seat (6); The screening net (8) is fixedly connected to the top of the connecting column (7); The rotating rod (15) is rotatably arranged on the inner side of the support frame (1), and the outer side of the rotating rod (15) is symmetrically fixedly connected with a cam (16) matched with the inner sieve box (3).

2. A plastics particle sizing apparatus according to claim 1, characterised in that: It also includes a limiting slide rod (10) which is symmetrically fixedly connected to the top of the side fixing seat (6), the outer side of the fixed support frame (2) is symmetrically fixedly connected with a side fixing plate (12), the limiting slide rod (10) is slidably connected with the side fixing plate (12), the outer side of the limiting slide rod (10) is sleeved with a spring (11), and the top end of the limiting slide rod (10) is fixedly connected with a limiting disc (18).

3. A plastics particle sizing apparatus according to claim 1, wherein: The top of the support frame (1) is fixedly connected with a support top frame (4), the screening net (8) is slidably connected with the support top frame (4), the inside of the support top frame (4) is fixedly connected with a feeding frame (5), and the top of the screening net (8) is symmetrically fixedly connected with a top baffle (9).

4. A plastics particle sizing apparatus according to claim 1, wherein: The maintenance side plate (14) is mounted on both sides of the inner sieve box (3) through bolts.

5. A plastic particle sizing device according to claim 1, wherein: The outer side of the inner sieve box (3) is symmetrically fixedly connected with a rubber support (13) matched with the side fixing seat (6).

6. A plastics particle sizing apparatus according to claim 1, wherein: The side of the support frame (1) is provided with a motor (17), the output end of the motor (17) is fixedly connected with the rotating rod (15), and the bottom of the support frame (1) is provided with a material guide seat (19) through bolts.