Multistage screening device for flame-retardant plastic particles

Abstract

The utility model provides a multistage screening device for flame-retardant plastic particles, and relates to the technical field of plastic particle screening. The feeding hopper is fixedly connected to the upper surface of the screening machine main body, and plastic particle raw materials are put into the screening machine main body; and the first-stage screening device is arranged in the screening machine main body and is used for carrying out primary screening on the plastic particles. According to the flame-retardant plastic particle screening machine, flame-retardant plastic particles are placed in the screening machine body through the arranged feeding hopper, then the flame-retardant plastic particles can fall on the conveying belt, and therefore the arranged driving motor is matched to drive the conveying column to rotate, the conveying column drives the conveying belt to rotate, and the conveying belt can drive the flame-retardant plastic particles to be conveyed; and meanwhile, in the process, the flame-retardant plastic particles are screened through formed first-stage screening holes, and finally, the screened flame-retardant plastic particles are conveyed to a first-stage discharging pipe to be discharged and collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic particle screening, and particularly relates to a multistage screening device for flame-retardant plastic particles. BACKGROUND

[0002] The recycling and resource development of waste plastics are derived from a deep understanding of the environment and resources, and are a survival method for reducing the environmental pollution of waste plastics and reducing resource waste. Most of the plastic products seen in daily life are produced by injection molding machines or blow molding machines. In the production process of plastic products using injection molding machines and blow molding machines, a large amount of plastic particles needs to be consumed, and these plastic particles need to be melted and reshaped into new products.

[0003] Since different plastic products require plastic particles of different diameters, it is necessary to classify and screen the plastic particles. However, most of the existing screening devices can only screen plastic particles of one diameter, and the structure is complex and the cost is high. Therefore, we propose a multistage screening device for flame-retardant plastic particles. SUMMARY

[0004] The multistage screening device for flame-retardant plastic particles provided by the utility model solves the problems raised in the background art.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0006] The embodiment of the utility model provides a multistage screening device for flame-retardant plastic particles, which comprises:

[0007] A screening machine main body;

[0008] A feed hopper is fixedly connected to the upper surface of the screening machine main body to put plastic particle raw materials into the screening machine main body;

[0009] A primary screening device is arranged inside the screening machine main body to screen the plastic particles once;

[0010] A secondary screening device is arranged inside the screening machine main body to screen the plastic particles twice.

[0011] Further, the primary screening device comprises a conveyor belt, the conveyor belt is arranged inside the screening machine main body, the surface of the conveyor belt is provided with uniformly distributed primary screening holes, both ends of the conveyor belt inside are provided with conveying columns, the outer surface of the screening machine main body is fixedly connected with a driving motor, and the outer surface of the screening machine main body is fixedly connected with a primary discharge pipe.

[0012] Through the technical scheme, first, the flame-retardant plastic particles are put into the screening machine body through the feeding hopper, then the flame-retardant plastic particles will fall on the conveying belt, so as to drive the conveying column to rotate by the driving motor, so that the conveying belt can drive the flame-retardant plastic particles to transport, and at the same time, the flame-retardant plastic particles are screened by the first screening hole, and finally the screened flame-retardant plastic particles are discharged and collected through the first discharge pipe.

[0013] Further, the conveying belt is rotatably installed with the screening machine body, the conveying column is drivingly installed with the conveying belt, and the conveying column is rotatably installed with the screening machine body.

[0014] Through the technical scheme,

[0015] Further, the output end of the driving motor is fixedly connected with the conveying column, a first discharge port is arranged at the connecting position between the screening machine body and the first discharge pipe, and the first discharge pipe is in communication with the screening machine body.

[0016] Through the technical scheme, the first discharge port is arranged to facilitate discharging the screened flame-retardant plastic particles.

[0017] Further, a feeding port is arranged at the connecting position between the screening machine body and the feeding hopper, and the feeding hopper is in communication with the screening machine body.

[0018] Through the technical scheme, the feeding port is arranged to facilitate the communication between the feeding hopper and the screening machine body.

[0019] Further, the secondary screening device comprises a screening inclined plate, the screening inclined plate is arranged in the conveying belt, guide plates are fixedly connected to the two sides of the screening inclined plate, and secondary screening holes are arranged on the surface of the screening inclined plate, a secondary discharge pipe is fixedly installed on the outer surface of the screening machine body, a discharge pipe is fixedly connected to the lower surface of the screening machine body, and guide plates are fixedly connected to the bottom of the screening machine body.

[0020] Through the technical scheme, when the flame-retardant plastic particles are screened by the first screening hole, they will first fall on the screening inclined plate, and then be screened by the secondary screening hole, and then the screened flame-retardant plastic particles will be discharged through the secondary discharge pipe under the action of gravity, and the flame-retardant plastic particles falling on the guide plate through the secondary screening hole can be guided to the discharge pipe through the guide plate, so as to facilitate discharging.

[0021] Further, the secondary discharge port is arranged at the connection between the screening machine body and the secondary discharge pipe, and the secondary discharge pipe is communicated with the screening machine body.

[0022] Through the above technical scheme, the discharge pipe is communicated with the screening machine body through the arranged discharge port.

[0023] Further, the screening inclined plate is rotatably installed with the conveying belt and the conveying column, and is fixedly connected with the screening machine body.

[0024] Through the above technical scheme, the discharge pipe is communicated with the screening machine body through the arranged discharge port.

[0025] The above scheme of the utility model has at least the following beneficial effects:

[0026] 1. The utility model discloses a screening machine, which comprises a screening machine body, a conveying belt, a conveying column, a first screening hole, a first discharge pipe, a secondary screening hole, a secondary discharge pipe, a discharge port, a discharge pipe, a drive motor, a screening inclined plate and a guide plate.

[0027] 2. The utility model discloses a screening machine, which comprises a screening machine body, a conveying belt, a conveying column, a first screening hole, a first discharge pipe, a secondary screening hole, a secondary discharge pipe, a discharge port, a discharge pipe, a drive motor, a screening inclined plate and a guide plate. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the overall structure schematic view of the utility model;

[0029] Figure 2 It is the sectional view of the utility model Figure 1 ;

[0030] Figure 3 It is the sectional view of the screening machine body component of the utility model;

[0031] Figure 4 It is the connection schematic view of the conveying belt component and the screening inclined plate component of the utility model.

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 1, the main body of the screening machine; 2, the feed hopper; 3, the first screening device; 301, the conveyor belt; 302, the first screening hole; 303, the conveying column; 304, the driving motor; 305, the first discharge pipe; 4, the feed inlet; 5, the first discharge port; 6, the secondary screening device; 601, the screening inclined plate; 602, the secondary screening hole; 603, the secondary discharge pipe; 604, the guide plate; 605, the discharge pipe; 7, the secondary discharge port; 8, the discharge port; 9, the support seat. DETAILED DESCRIPTION

[0034] Exemplary embodiments of the present application will be described herein below with reference to the accompanying drawings. While exemplary embodiments of the present application are illustrated, it is to be understood that the application is not to be limited to the embodiments described herein, which are presented as examples of the present application only. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

[0035] As shown in Figures 1 to 4 the embodiment of the present application provides a kind of multi-stage screening device of flame-retardant plastic particles, comprising: screening machine main body 1;Feed hopper 2, it is fixedly connected on the upper surface of screening machine main body 1, realize the plastic particle raw material is put into screening machine main body 1;First screening device 3, it is arranged in the inside of screening machine main body 1, realize the first screening of plastic particle;Secondary screening device 6, it is arranged in the inside of screening machine main body 1, realize the secondary screening of plastic particle.

[0036] As shown in Figures 1 to 4 the first screening device 3 includes conveyor belt 301, conveyor belt 301 is arranged in the inside of screening machine main body 1, the surface of conveyor belt 301 is equipped with uniformly distributed first screening hole 302, and the both ends in the inside of conveyor belt 301 are equipped with conveying column 303, the outer surface of screening machine main body 1 is fixedly connected with driving motor 304, and the outer surface of screening machine main body 1 is fixedly connected with first discharge pipe 305.Conveyor belt 301 is rotatably installed with screening machine main body 1, conveying column 303 is drivingly installed with conveyor belt 301, and conveying column 303 is rotatably installed with screening machine main body 1.The output end of driving motor 304 is fixedly connected with conveying column 303, the connecting place of screening machine main body 1 and first discharge pipe 305 is equipped with first discharge port 5, and first discharge pipe 305 is communicated with screening machine main body 1.The connecting place of screening machine main body 1 and feed hopper 2 is equipped with feed inlet 4, and feed hopper 2 is communicated with screening machine main body 1.Through the first discharge port 5 of setting, it is convenient to discharge the flame-retardant plastic particles screened from the overall device

[0037] In the embodiment of the utility model, first of all, the flame-retardant plastic particles are put into the screening machine main body 1 through the feeding hopper 2, then the flame-retardant plastic particles will fall on the conveying belt 301, so that the driving motor 304 drives the conveying column 303 to rotate, the conveying column 303 drives the conveying belt 301 to rotate, so that the conveying belt 301 can drive the flame-retardant plastic particles to transport, and at the same time, the flame-retardant plastic particles are screened through the first screening hole 302, and finally the screened flame-retardant plastic particles are transported to the first discharge pipe 305 for discharge and collection.

[0038] As shown in Figures 1 to 4 The secondary screening device 6 includes a screening inclined plate 601, which is arranged inside the conveying belt 301, both sides of the screening inclined plate 601 are fixedly connected with guide plates 604, and the surface of the screening inclined plate 601 is provided with uniformly distributed secondary screening holes 602, the outer surface of the screening machine main body 1 is fixedly installed with a secondary discharge pipe 603, and the lower surface of the screening machine main body 1 is fixedly connected with a discharging pipe 605, both sides of the bottom end inside the screening machine main body 1 are fixedly connected with guide plates 604. The screening machine main body 1 is connected with the secondary discharge pipe 603, and the secondary discharge pipe 603 is in communication with the screening machine main body 1, the screening machine main body 1 is connected with the discharging pipe 605, and the discharging pipe 605 is in communication with the screening machine main body 1. The screening inclined plate 601 is rotatably installed with the conveying belt 301 and the conveying column 303, and the screening inclined plate 601 is fixedly connected with the screening machine main body 1, the guide plates 604 are fixedly installed with the screening machine main body 1, and both sides of the lower surface of the screening machine main body 1 are fixedly installed with support seats 9. Due to the inclination angle of the guide plates 604, the flame-retardant plastic particles can be guided to the discharging pipe 605 under the action of gravity, so that they can be discharged.

[0039] In the embodiment of the utility model, when the flame-retardant plastic particles are screened by the first screening, they will first fall on the screening inclined plate 601, the flame-retardant plastic particles are screened again through the secondary screening holes 602, then due to the inclination angle of the screening inclined plate 601, the screened flame-retardant plastic particles will be discharged through the secondary discharge pipe 603 under the action of gravity, and the flame-retardant plastic particles falling on the guide plates 604 through the secondary screening holes 602 can be guided to the discharging pipe 605 through the guide plates 604, so that they can be discharged.

[0040] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the principle of the utility model, a number of improvements and refinements can be made, which should also be regarded as the protection range of the utility model.

Claims

1. A multi-stage screening apparatus for flame-retardant plastic particles, characterized in that, Include: Screening machine body (1); Feed hopper (2), fixedly connected to the upper surface of the screening machine body (1), realizing the putting of the plastic particle raw material into the screening machine body (1); Primary screening device (3), arranged in the interior of the screening machine body (1), realizing the primary screening of the plastic particles; Secondary screening device (6), arranged in the interior of the screening machine body (1), realizing the secondary screening of the plastic particles.

2. A multi-stage screening device for flame-retardant plastic particles according to claim 1, characterized in that, The primary screening device (3) includes a conveyor belt (301), which is arranged in the interior of the screening machine body (1), the surface of the conveyor belt (301) is provided with uniformly distributed primary screening holes (302), and both ends of the interior of the conveyor belt (301) are provided with conveying columns (303), the outer surface of the screening machine body (1) is fixedly connected with a driving motor (304), and the outer surface of the screening machine body (1) is fixedly connected with a primary discharge pipe (305).

3. A multi-stage screening apparatus for flame-retardant plastic particles according to claim 2, characterized in that, The conveyor belt (301) is rotatably installed with the screening machine body (1), the conveying column (303) is drivingly installed with the conveyor belt (301), and the conveying column (303) is rotatably installed with the screening machine body (1).

4. A multi-stage screening device for flame-retardant plastic particles according to claim 2, characterized in that, The output end of the driving motor (304) is fixedly connected with the conveying column (303), a primary discharge port (5) is arranged at the connecting position of the screening machine body (1) and the primary discharge pipe (305), and the primary discharge pipe (305) is in communication with the screening machine body (1).

5. A multi-stage screening apparatus for flame retardant plastic particles according to claim 4, characterized in that, The screening machine body (1) is provided with a feeding port (4) at the connecting position of the screening machine body (1) and the feed hopper (2), and the feed hopper (2) is in communication with the screening machine body (1).

6. A multi-stage screening apparatus for flame retardant plastic particles as claimed in claim 2, wherein, The secondary screening device (6) includes a screening inclined plate (601), which is arranged in the interior of the conveyor belt (301), both sides of the screening inclined plate (601) are fixedly connected with guide plates (604), and the surface of the screening inclined plate (601) is provided with uniformly distributed secondary screening holes (602), the outer surface of the screening machine body (1) is fixedly installed with a secondary discharge pipe (603), and the lower surface of the screening machine body (1) is fixedly connected with a discharge pipe (605), both sides of the bottom end of the interior of the screening machine body (1) are fixedly connected with guide plates (604).

7. A multi-stage screening apparatus for flame retardant plastic particles according to claim 6, characterized in that, The screening machine body (1) is provided with a secondary discharge port (7) at the connecting position of the screening machine body (1) and the secondary discharge pipe (603), the secondary discharge pipe (603) is in communication with the screening machine body (1), the screening machine body (1) is provided with a discharge port (8) at the connecting position of the screening machine body (1) and the discharge pipe (605), and the discharge pipe (605) is in communication with the screening machine body (1).

8. A multi-stage screening apparatus for flame retardant plastic particles according to claim 6, characterized in that, The screening inclined plate (601) is rotatably installed with the conveyor belt (301) and the conveying column (303), and the screening inclined plate (601) is fixedly connected with the screening machine body (1), the guide plate (604) is fixedly installed with the screening machine body (1), and both sides of the lower surface of the screening machine body (1) are fixedly installed with support seats (9).

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