CN212147106U - A screening equipment for plastic particles - Google Patents

Abstract

The utility model discloses a plastic particle screening device, which comprises a feed hopper, a winnowing box, a particle screening channel and an air suction opening, wherein the feed hopper is arranged at the top of the winnowing box, the air suction opening is arranged at one side of the winnowing box, the particle screening channel is obliquely arranged at the bottom of the winnowing box, one end of the air suction opening is connected with a ventilation pipe, and one end of the ventilation pipe is communicated to an air inlet of an air blower; the screening equipment sucks out light dust, plastic particle powder and unqualified plastic particles in the plastic particles by wind power, and the plastic particles are screened after being discharged into a waste bin, so that the existence rate of defective products is reduced, and the quality of products is improved; the screening equipment enables the plastic particles to fall into a first screening box, a second screening box, a third screening box and a fourth screening box respectively for storage according to the particle size of the plastic particles; the screening equipment automatically completes the screening process of plastic particles, and is high in working efficiency, simple in structure and convenient and fast to use.

Description

A screening equipment for plastic particles

technical field

The utility model relates to the technical field of plastic particle processing, in particular to a screening equipment for plastic particles.

Background technique

The patent with the application number CN201610502208.2 discloses a plastic particle screening device, which includes a bracket, a main air duct, a screen and a collection bag made of non-woven fabric. The main air duct is placed horizontally and fixed on the bracket; One end of the air duct is the feeding end, and the other end is the material selection end. The side wall of the feeding end is provided with a feeding port, and the end of the feeding end is installed with a feeding fan; the screen is fixed in the material selection end, and the screen is A discharge pipe is fixed on the side walls of the material selection end on both sides of the net, and the discharge pipe is connected with the main air pipe; the end of the discharge pipe is fixed with a discharge air pipe forming a three-way structure with the discharge pipe. One end of the air duct is installed with a discharge fan, and the collecting bag is fixed on the other end of the discharge air duct. The feeding fan and the discharge fan are both ion fans; the device uses plastic particles that are light in weight and can be suspended under airflow interference. , and can be pushed by the airflow to make it pass through the screen, so that the screening of plastic particles can be quickly completed, but there are still the following shortcomings: (1) The plastic particle screening device cannot effectively remove the plastic particles. Dust and unqualified particles make the quality of the produced plastic particles low; (2) the plastic particle screening device needs to suspend the plastic particles before screening, which increases the difficulty of operation and low screening efficiency.

Utility model content

In order to solve the above-mentioned technical problems, the purpose of this utility model is to provide a kind of screening equipment for plastic particles: (1) by adding the plastic particles from the feed hopper into the winnowing box, the plastic particles pass through the first screen at the top. The deflector and the second deflector fall down and disperse after being deflected. The blower runs through the ventilation pipe to generate wind force at the air suction port, and the light unqualified particles and dust in the plastic particles are brought into the discharge pipe by the wind force. , falling into the waste box for storage, which solves the problem that the existing plastic particle screening device cannot effectively remove the dust and unqualified particles in the plastic particles, resulting in the low quality of the produced plastic particles; (2) Drive the first plastic particle by the vibration motor The interior of the sieving area, the second sieving area and the third sieving area are all vibrating. During the process of the plastic particles sliding down the particle sieving channel, according to the particle size of the plastic particles, when they pass through the first sieving rod, part of the The plastic particles fall into the first screening box for storage. When passing through the second screening rod, some plastic particles fall into the second screening box for storage. When passing through the third screening rod, some plastic particles fall into the second screening box. It is stored in the third sieve box, and the remaining plastic particles fall into the fourth sieve box for storage, which solves the problems that the existing plastic particle screening device needs to suspend the plastic particles before screening, the operation difficulty is enlarged, and the screening efficiency is low.

The purpose of the present utility model can be achieved through the following technical solutions:

A screening equipment for plastic particles, comprising a feeding hopper, an air selection box, a particle screening channel, and an air suction port. A particle sieving channel is installed obliquely at the bottom of the air selection box;

One end of the air suction port away from the air selection box is connected with a ventilation pipe, and one end of the ventilation pipe away from the air suction port is connected to the air inlet of the blower. connected to the top of the waste bin;

The inner cavity of the particle sieving channel is divided into a first sieving area, a second sieving area, and a third sieving area in turn, and a first sieving box is installed at the bottom of the first sieving area. A second screening box is installed at the bottom of the second screening area, a third screening box is installed at the bottom of the third screening section, and a fourth screening box is installed at the bottom of one end of the particle screening channel away from the air separation box.

Further, a first deflector is installed on the inner wall of the top and bottom of the air selection box on the side away from the air suction port, and a second deflector is installed on the inner wall of the air selection box on the side away from the first deflector. The top of the second air guide plate is in contact with the top of the air suction port, and the first air guide plate and the second air guide plate are both in the shape of a triangular prism.

Further, blocking plates are installed at the connection between the first screening area and the second screening area and on both sides of the third screening area, and several first screening areas are installed at equal distances inside the first screening area. Several second screening rods are installed equidistantly in the second screening area, and a number of third screening rods are installed in the third screening area at equal distances. The first screening area, the second screening area Vibration motors are installed on the outer walls of both sides of the screening area and the third screening area.

Further, the distance between the adjacent first screening rods is smaller than the distance between the adjacent second screening rods, and the distance between the adjacent second screening rods is smaller than the adjacent third screening rods. the distance between.

Further, the waste box, the first sub-screening box, the second sub-screening box, and the third sub-screening box are all provided with discharge ports.

The beneficial effects of the present utility model:

(1) A kind of screening equipment for plastic particles of the present utility model, by adding plastic particles from a feeding hopper into a winnowing box, the plastic particles are guided through the first and second guide plates at the top Then fall down and disperse, start the blower, the blower operates through the ventilation pipe to generate wind force at the air suction port, the light unqualified particles and dust in the plastic particles are brought into the discharge pipe by the wind force, and fall into the waste box for storage; The screening equipment sucks out the light-weight dust, plastic particle powder and unqualified plastic particles (such as hollow particles with many internal holes) in the plastic particles by wind force, and discharges them into the waste box before performing the plastic particle screening process. , reduce the existence rate of defective products and improve the quality of products;

(2) A kind of screening equipment for plastic particles of the present utility model, by starting the vibration motor, the vibration motor drives the first sub-screening area, the second sub-screening area, and the third sub-screening area to vibrate, and the plastic particles are in the particle size. During the process of sliding down the sieving channel, according to the particle size of the plastic particles, when passing through the first sieving rod, some plastic particles fall into the first sieving box for storage, and when passing through the second sieving rod, some plastic particles It falls into the second screening box for storage. When passing through the third screening rod, some plastic particles fall into the third screening box for storage, and the remaining plastic particles fall into the fourth screening box for storage; the screening The equipment automatically completes the screening process of plastic particles, with high work efficiency, simple structure and convenient use.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of a kind of plastic particle screening equipment of the present invention;

Fig. 2 is the internal structure schematic diagram of the winnowing box of the present utility model;

Fig. 3 is the structural representation of the particle sieving channel of the present utility model;

4 is a schematic diagram of the assembly of the first screen bar, the second screen bar, and the third screen bar of the present invention.

In the figure: 101, feed hopper; 102, winnowing box; 103, particle screening channel; 104, suction port; 105, discharge pipe; 106, ventilation pipe; 107, blower; 108, waste box; 109, outlet Material port; 110, the first screening box; 111, the second screening box; 112, the third screening box; 113, the fourth screening box; 114, the first deflector; 115, the second deflector 116, blocking plate; 117, vibration motor; 118, the first screening area; 119, the second screening area; 120, the third screening area; 121, the first screening rod; 122, the second screening rod ; 123, the third screening rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-4. The utility model is a screening equipment for plastic particles, including a feeding hopper 101, an air selection box 102, a particle screening channel 103, and an air suction port 104. The top of the air selection box 102 is installed with a In the feeding hopper 101, a suction port 104 is installed on one side of the air selection box 102, and a particle screening channel 103 is installed obliquely at the bottom of the air selection box 102;

One end of the air suction port 104 away from the air selection box 102 is connected with a ventilation pipe 106, and one end of the ventilation pipe 106 away from the air suction port 104 is connected to the air inlet of the blower 107. The bottom end of 105 is connected to the top of the waste box 108;

The inner cavity of the particle sieving channel 103 is divided into a first sieving area 118, a second sieving area 119, and a third sieving area 120 equidistantly in turn. A second screening box 111 is installed at the bottom of the second screening area 119, a third screening box 112 is installed at the bottom of the third screening section 120, and a fourth screening box is installed at the bottom of one end of the particle screening channel 103 away from the air separation box 102. 113.

Specifically, a first deflector 114 is installed on the top and bottom inner walls of the air selection box 102 away from the air suction port 104, and a second deflector 115 is installed on the inner wall of the air selection box 102 away from the first deflector 114. The top of the second deflector 115 is in contact with the top of the air suction port 104 , the first deflector 114 and the second deflector 115 are both in the shape of a triangular prism; the connection between the first screening area 118 and the second screening area 119 and Blocking plates 116 are installed on both sides of the third screening area 120 , a plurality of first screening rods 121 are installed equidistantly inside the first screening area 118 , and a number of second screening rods are installed equidistantly inside the second screening area 119 . Rods 122, a number of third screening rods 123 are installed equidistantly inside the third screening area 120, and the outer walls of the first screening area 118, the second screening area 119, and the third screening area 120 are installed on both sides of the outer wall. Vibration motor 117; the distance between adjacent first screening rods 121 is smaller than the distance between adjacent second screening rods 122, and the distance between adjacent second screening rods 122 is smaller than the distance between adjacent third screening rods 123; the waste box 108, the first screening box 110, the second screening box 111, and the third screening box 112 are all provided with a discharge port 109.

Please refer to Figures 1-4. The working process of a plastic particle screening equipment in this embodiment is as follows:

Step 1: Start the blower 107, the blower 107 operates through the ventilation pipe 106 to generate wind force at the air suction port 104, and the plastic particles are added from the feed hopper 101 to the air selection box 102, and the plastic particles pass through the top first deflector 114 After being guided by the second deflector 115, it falls down and disperses, and the light unqualified particles and dust in the plastic particles are brought into the discharge pipe 105 by the wind force, and fall into the waste box 108 for storage;

Step 2: The remaining plastic particles fall into the particle sieving channel 103 through the first deflector 114 at the bottom, start the vibration motor 117, and the vibration motor 117 drives the first sieving area 118, the second sieving area 119, the first The interior of the third screen area 120 is vibrating;

Step 3: During the process of the plastic particles sliding down the particle sieving channel 103, according to the particle size of the plastic particles, when passing through the first sieving rod 121, some plastic particles fall into the first sieving box 110 for storage. When the second sieving bar 122 is used, some plastic particles fall into the second sieving box 111 for storage, and when passing through the third sieving bar 123, some plastic particles fall into the third sieving box 112 for storage, and the remaining plastic particles Fall into the fourth screening box 113 for storage to complete the screening process of plastic particles.

The above content is only an example and description of the structure of the present invention. Those skilled in the art can make various modifications or supplements to the specific embodiments described or replace them in similar ways, as long as they do not deviate from the scope of the present invention. Structure or beyond the scope defined by the claims shall belong to the protection scope of the present invention.

Claims (5)

1. A sieving device for plastic particles, characterized in that it comprises a feeding hopper (101), a winnowing box (102), a particle sieving channel (103), an air suction port (104), and the winnowing box (104) 102) A feeding hopper (101) is installed on the top, a suction port (104) is installed on one side of the air selection box (102), and a particle screening channel (103) is installed obliquely at the bottom of the air selection box (102); One end of the air suction port (104) away from the air selection box (102) is connected with a ventilation pipe (106), and one end of the ventilation pipe (106) away from the air suction port (104) is connected to the air inlet of the blower (107). A discharge pipe (105) is connected to the bottom of one end of the pipe (106) close to the air suction port (104), and the bottom end of the discharge pipe (105) is connected to the top of the waste box (108); The inner cavity of the particle sieving channel (103) is divided into a first sieving area (118), a second sieving area (119), and a third sieving area (120) at equal distances. The first sieving area (118) A first screening box (110) is installed at the bottom, a second screening box (111) is installed at the bottom of the second screening area (119), and a second screening box (111) is installed at the bottom of the third screening area (120). The third sub-screening box (112) has a fourth sub-screening box (113) at the bottom of one end of the particle screening channel (103) away from the air selection box (102). 2. A kind of screening equipment for plastic particles according to claim 1, characterized in that, the top and bottom inner walls of the air selection box (102) away from the air suction port (104) are installed with first guide plates (114), a second deflector (115) is installed on the inner wall of the air selection box (102) away from the first deflector (114), and the top of the second deflector (115) is connected to the air suction port ( 104) top contact, the first air guide plate (114) and the second air guide plate (115) are both in the shape of a triangular prism. 3. A kind of sieving equipment for plastic particles according to claim 1, characterized in that, the junction of the first sieving area (118) and the second sieving area (119) and the third sieving area (120) Blocking plates (116) are installed on both sides of the first screening area (118), a number of first screening rods (121) are installed equidistantly inside the first screening area (118), and the second screening area (119) is installed inside the second screening area (119). A plurality of second screening rods (122) are installed equidistantly, and a plurality of third screening rods (123) are installed equidistantly inside the third screening area (120). The first screening area (118), Vibration motors (117) are installed on both outer walls of the second screening area (119) and the third screening area (120). 4. A kind of sieving equipment for plastic particles according to claim 3, characterized in that, the distance between the adjacent first sieving rods (121) is smaller than the distance between the adjacent second sieving rods (122). The distance between adjacent second screening rods (122) is smaller than the distance between adjacent third screening rods (123). 5 . The sieving device for plastic particles according to claim 1 , wherein the waste box ( 108 ), the first sieving box ( 110 ), the second sieving box ( 111 ), the third The sieving box (112) is provided with a discharge port (109).

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