Vibration screening device for granular plastic products

By designing a combination of a dust removal chamber, a fan, a negative pressure chamber and a vibration plate, the problem of multi-stage screening and dust removal difficulties in existing devices is solved, efficient screening and dust removal effects are achieved, and the quality of plastic particles and operational safety are improved.

CN223431846UActive Publication Date: 2025-10-14ANHUI SHUOYU FIREPROOF COATING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422578258.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-10-14
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

Existing vibration screening devices for granular plastic products are difficult to perform multi-stage screening of plastic particles of various particle sizes, and are prone to raising dust during the screening process, affecting the health of operators.

Method used

A vibration screening device for granular plastic products is designed, which includes a dust removal chamber, a fan, a negative pressure chamber, a dust suction pipe and a vibration plate. The device achieves efficient dust removal by combining fan blowing dust removal and negative pressure dust suction. At the same time, the eccentric wheel and the vibration plate are used to perform multi-stage screening to achieve efficient separation of different particle sizes.

Benefits of technology

It realizes efficient multi-stage screening of plastic particles with various particle sizes, improves screening accuracy and dust removal effect, and protects the health of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of plastic processing, and discloses a granular plastic product vibration screening device which comprises a shell, an ash removal chamber is fixedly connected to the upper surface of the shell, a feeding hopper is fixedly connected to the upper surface of the ash removal chamber, and a plurality of fans are rotationally connected to the inner side wall of the ash removal chamber; the side surface of the shell is fixedly connected with a negative pressure chamber, the upper surface of the negative pressure chamber is fixedly connected with a dust suction pipe, the upper end of the dust suction pipe is fixedly connected to the side surface of the dust removal chamber, the inner side wall of the shell is slidably connected with a plurality of vibration plates, and a plurality of blanking grooves are formed in the side surface of the shell; plastic particles with different particle sizes can be efficiently separated, so that the plastic particles are subjected to multi-stage screening, the screening quality and the screening precision of the plastic particles are improved, efficient dust removal can be performed on the plastic particles, and the situation that dust is raised during follow-up vibration screening, and consequently the health of workers is harmed is avoided.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of plastic processing, in particular to a granular plastic product vibration screening device. BACKGROUND

[0002] Plastic particles have a wide range of applications, and in the plastic processing industry, the screening of granular plastics is an important link to ensure product quality. However, most of the existing devices on the market have insufficient screening accuracy, making it difficult to achieve efficient separation of plastic particles of different particle sizes, which affects the processing quality of subsequent plastic particles, and most of them do not remove dust from the plastic particles, which can easily raise a lot of dust during vibration screening, causing adverse effects on the health of the operators.

[0003] In view of the above related technologies, the inventor believes that the granular plastic product vibration screening device has the defects of being difficult to perform multi-stage screening on plastic particles of multiple particle sizes and being inconvenient to remove dust from the plastic particles.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore it can include prior art known to those skilled in the art. CONTENT OF THE INVENTION

[0005] In order to solve the problems of the granular plastic product vibration screening device being difficult to perform multi-stage screening on plastic particles of multiple particle sizes and being inconvenient to remove dust from the plastic particles, the present application provides a granular plastic product vibration screening device.

[0006] The granular plastic product vibration screening device provided by the present application adopts the following technical solution:

[0007] A granular plastic product vibration screening device, comprising a housing, a dust removal chamber is fixedly connected to the upper surface of the housing, a feed hopper is fixedly connected to the upper surface of the dust removal chamber, a plurality of fans are rotatably connected to the inner side wall of the dust removal chamber, a negative pressure chamber is fixedly connected to the side surface of the housing, a dust suction pipe is fixedly connected to the upper surface of the negative pressure chamber, and the upper end of the dust suction pipe is fixedly connected to the side surface of the dust removal chamber, a plurality of vibration plates are slidably connected to the inner side wall of the housing, a plurality of discharge grooves are formed in the side surface of the housing, a fixed box is fixedly connected to the side surface of the housing below each of the discharge grooves, a first storage box is slidably connected to the side surface of the fixed box, and a second storage box is slidably connected to the side surface of the housing.

[0008] Preferably, two baffles are snap-connected to the side surface of the dust removal chamber.

[0009] Preferably, two support plates are fixedly connected to the upper surface of the shell, and opposite side surfaces of the two support plates are rotatably connected to a rotating shaft, and the outer surface of the rotating shaft is fixedly connected to two eccentric wheels.

[0010] Preferably, two first slide grooves are provided on the upper surface of the shell, and connecting plates are fixedly connected to the two side surfaces of several vibration plates, and the connecting plates slide relative to the first slide grooves, and the side surfaces of the connecting plates are fixedly connected to the moving columns, and the side surface of the eccentric wheel is provided with a second slide groove, and the inner wall of the second slide groove slides relative to the moving column.

[0011] Preferably, both side surfaces of the shell are provided with a plurality of third sliding grooves, both side surfaces of the plurality of vibration plates are fixedly connected with sliding plates, and the sliding plates slide relative to the inner walls of the third sliding grooves.

[0012] In summary, this application has the following beneficial technical effects:

[0013] 1. By setting up several vibrating plates, and setting up eccentric wheels, connecting plates, movable columns, and second chutes to work together, it is possible to achieve efficient separation of plastic particles of different particle sizes, so as to perform multi-stage screening of plastic particles, thereby improving the screening quality and screening accuracy of plastic particles; compared with the existing technology, it has the effect of multi-stage screening of plastic particles of various particle sizes;

[0014] 2. By setting up a dust removal chamber, a feed hopper, a fan, a negative pressure chamber, and a dust suction pipe to work together, the plastic particles passing through the dust removal chamber can be efficiently removed, avoiding dust raised during subsequent vibration screening, which may endanger the health of the workers; compared with the existing technology, it has the effect of removing dust from plastic particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of an embodiment of the application;

[0016] Figure 2 It is a cross-sectional structural diagram of an embodiment of the application;

[0017] Figure 3 yes Figure 2 Enlarged schematic diagram of point A.

[0018] Explanation of the accompanying drawings: 1. Shell; 2. Dust removal chamber; 3. Feed hopper; 4. Fan; 5. Negative pressure chamber; 6. Dust suction pipe; 7. Vibration plate; 8. Fixed box; 9. First storage box; 10. Second storage box; 11. Baffle; 12. Support plate; 13. Rotating shaft; 14. Eccentric wheel; 15. First slide; 16. Connecting plate; 17. Moving column; 18. Second slide; 19. Third slide; 20. Sliding plate; 21. Blanking chute. DETAILED DESCRIPTION

[0019] The following is combined with Figures 1-3 This application is described in further detail.

[0020] The present application discloses a vibration screening device for granular plastic products. Figure 1 、 Figure 2 , including a rectangular hollow shell 1, and a frame-shaped dust removal chamber 2 is fixedly connected to the upper surface of the shell 1, and a bucket-shaped feed hopper 3 is fixedly connected to the upper surface of the dust removal chamber 2, so that the plastic particles to be screened are poured into the shell 1 through the feed hopper 3, and a plurality of fans 4 are rotatably connected to the inner side wall of the dust removal chamber 2, and a negative pressure chamber 5 is fixedly connected to the side surface of the shell 1, and a tubular dust suction pipe 6 is fixedly connected to the upper surface of the negative pressure chamber 5, and the upper end of the dust suction pipe 6 is fixedly connected to the side surface of the dust removal chamber 2, so that the plastic particles are When falling through the dust removal chamber 2, the fan 4 can rotate to blow air toward the passing plastic particles to remove dust. At the same time, under the negative pressure of the negative pressure chamber 5, the dust in the dust removal chamber 2 is sucked into the negative pressure chamber 5 through the dust suction pipe 6, thereby better removing the dust on the surface of the plastic particles and improving the dust removal effect. Two baffles 11 are engaged and connected to the side surface of the dust removal chamber 2, so that the baffles 11 can prevent the plastic particles from falling onto the fan 4 and affecting the normal operation of the fan 4, and prevent the plastic particles from falling into the inlet of the dust suction pipe 6 and causing blockage.

[0021] Secondly, a number of grid-plate-shaped vibration plates 7 are slidably connected to the inner wall of the shell 1, and the grids of each vibration plate 7 become smaller from top to bottom, so as to achieve efficient separation of plastic particles of different particle sizes, so as to perform multi-stage screening of plastic particles, thereby improving the screening quality and screening accuracy of plastic particles, and a number of groove-shaped drop chutes 21 are opened on the side surface of the shell 1, and box-shaped fixed boxes 8 are fixedly connected to the side surface of the shell 1 below the several drop chutes 21, and a box-shaped first storage box 9 is slidably connected to the side surface of the fixed box 8, and a box-shaped second storage box 10 is slidably connected to the side surface of the shell 1, so that the plastic particles of various different particle sizes after screening fall into the several first storage boxes 9 and the second storage box 10 respectively for subsequent use.

[0022] Reference Figure 2 A plurality of groove-shaped third chutes 19 are provided on both side surfaces of the shell 1, and a plate-shaped sliding plate 20 is fixedly connected to both side surfaces of the plurality of vibration plates 7, and the sliding plate 20 slides relative to the inner wall of the third chute 19, so that when the vibration plate 7 vibrates to screen the plastic particles, the third chute 19 slides up and down on the inner wall of the sliding plate 20, thereby ensuring the stability of the vibration of the vibration plate 7 and preventing the vibration plate 7 from deflecting.

[0023] Reference Figure 3Two plate-shaped support plates 12 are fixedly connected to the upper surface of the shell 1, opposite side surfaces of the two support plates 12 are rotationally connected to a columnar rotating shaft 13, one end of the rotating shaft 13 penetrates through the support plate 12 to the side surface thereof and is fixedly connected to the output end of the motor, two circular plate-shaped eccentric wheels 14 are fixedly connected to the outer surface of the rotating shaft 13, secondly, two slot-shaped first sliding grooves 15 are formed in the upper surface of the shell 1, plate-shaped connecting plates 16 are fixedly connected to the two side surfaces of the plurality of vibration plates 7, and the connecting plates 16 slide relative to the first sliding grooves 15, columnar moving columns 17 are fixedly connected to the side surfaces of the connecting plates 16, annular slot-shaped second sliding grooves 18 are formed in the side surfaces of the eccentric wheels 14, and the inner walls of the second sliding grooves 18 slide relative to the moving columns 17, so as to drive the rotating shaft 13 to rotate by the motor, thereby driving the eccentric wheels 14 to rotate, since the moving columns 17 slide in the inner walls of the second sliding grooves 18, the moving columns 17 and the connecting plates 16 slide up and down simultaneously when the eccentric wheels 14 rotate, thereby driving the plurality of vibration plates 7 to slide up and down to generate vibration, so as to vibrate and screen the plastic particles.

[0024] The implementation principle of the particle plastic product vibration screening device is as follows: the plastic particles to be screened are poured into the feeding hopper 3, and then the plastic particles fall into the shell 1 for screening after passing through the ash removal chamber 2, when the plastic particles pass through the ash removal chamber 2, the passing plastic particles are blown and dusted by the rotation of the fan 4, and at the same time, under the negative pressure of the negative pressure chamber 5, the dust in the ash removal chamber 2 is sucked into the negative pressure chamber 5 through the dust suction pipe 6, so that the dust on the surface of the plastic particles is better removed, the dusting effect is improved, and the subsequent vibration screening does not cause dust to be raised to harm the health of the workers, then the plastic particles fall into the shell 1 and fall on the uppermost vibration plate 7, then the rotating shaft 13 is driven to rotate by the motor, thereby driving the eccentric wheels 14 to rotate, since the moving columns 17 slide in the inner walls of the second sliding grooves 18, the moving columns 17 and the connecting plates 16 slide up and down simultaneously when the eccentric wheels 14 rotate, thereby driving the plurality of vibration plates 7 to slide up and down to generate vibration, so as to vibrate and screen the plastic particles, since the meshes of the vibration plates 7 gradually decrease from top to bottom, the plastic particles of different particle sizes can be efficiently separated, so as to realize multi-stage screening of the plastic particles, thereby improving the screening quality and precision of the plastic particles, and the plastic particles of different particle sizes after screening fall into the plurality of first storage boxes 9 and the second storage box 10, so as to be processed subsequently.

[0025] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0026] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0027] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

[0028] The above are the 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 according to the structure, shape, principle of the present application, should be covered within the protection scope of the present application.

Claims

1. A vibrating screening device for granular plastic products, comprising a housing (1), characterized in that: The upper surface of the shell (1) is fixedly connected to a dust removal chamber (2), the upper surface of the dust removal chamber (2) is fixedly connected to a feed hopper (3), the inner side wall of the dust removal chamber (2) is rotatably connected to a plurality of fans (4), the side surface of the shell (1) is fixedly connected to a negative pressure chamber (5), the upper surface of the negative pressure chamber (5) is fixedly connected to a dust suction pipe (6), and the upper end of the dust suction pipe (6) is fixedly connected to the side surface of the dust removal chamber (2), the inner side wall of the shell (1) is slidably connected to a plurality of vibration plates (7), the side surface of the shell (1) is provided with a plurality of material dropping grooves (21), the side surface of the shell (1) is fixedly connected to a fixed box (8) located below the plurality of material dropping grooves (21), the side surface of the fixed box (8) is slidably connected to a first storage box (9), and the side surface of the shell (1) is slidably connected to a second storage box (10).

2. The vibrating screening device for granular plastic products according to claim 1, characterized in that: Two baffles (11) are snap-connected to the side surface of the ash removal chamber (2).

3. The vibrating screening device for granular plastic products according to claim 1, characterized in that: Two support plates (12) are fixedly connected to the upper surface of the shell (1), and the opposite side surfaces of the two support plates (12) are rotatably connected to a rotating shaft (13), and the outer surface of the rotating shaft (13) is fixedly connected to two eccentric wheels (14).

4. The vibrating screening device for granular plastic products according to claim 3, characterized in that: Two first slide grooves (15) are provided on the upper surface of the shell (1), and connecting plates (16) are fixedly connected to the two side surfaces of a plurality of the vibration plates (7), and the connecting plates (16) slide relative to the first slide grooves (15). The side surface of the connecting plate (16) is fixedly connected to a moving column (17), and a second slide groove (18) is provided on the side surface of the eccentric wheel (14), and the inner wall of the second slide groove (18) slides relative to the moving column (17).

5. The vibrating screening device for granular plastic products according to claim 1, characterized in that: A plurality of third sliding grooves (19) are provided on both side surfaces of the shell (1), and a plurality of sliding plates (20) are fixedly connected to both side surfaces of the vibration plates (7), and the sliding plates (20) slide relative to the inner walls of the third sliding grooves (19).