CN107486390A - A kind of silicon-carbide particles screening system - Google Patents

Abstract

The present invention proposes a kind of silicon-carbide particles screening system, including housing, and base is provided with housing, and base is provided with screening plant, and housing is provided with feed hopper；Screening plant includes screening plant housing, the first sorting mechanism and the second sorting mechanism are provided with screening plant housing, the quantity of first sorting mechanism is at least one group, second sorting mechanism is located at the lower section of the first sorting mechanism, the feed hopper passes through screening plant housing, and above the first sorting mechanism, screening plant housing bottom is provided with the first fixed disk, base is provided with the second fixed disk, second fixed disk is provided with vibrating motor, vibrating motor is fixedly connected through the first fixed disk with screening plant, first fixation tray bottom is provided with some first springs, first spring is connected through the second fixed disk with base, the present invention can carry out sizing screening to silicon-carbide particles automatically, screening efficiency is high, it is easy to use, cost is low.

Description

A silicon carbide particle screening system

technical field

The invention relates to a classification and screening technology, in particular to a silicon carbide particle screening system.

Background technique

At present, the most popular ultrafine powders at home and abroad include ultrafine barite, wollastonite, silicon carbide, ultrafine high-purity quartz powder, silicon dioxide, ultrafine mica powder, and ultrafine talcum powder (calcium carbonate). Silicon carbide uses ultrafine barite powder as the main raw material, which is a non-oxide raw material. It has the stability and reliability that other materials do not have. It belongs to the category of high-tech new materials. It can replace expensive titanium dioxide for industrial additives, especially in the paint and paint industries. The application range is still expanding, and the market demand is also increasing. increase, showing a trend of short supply. The industrialized production of silicon carbide has attracted the attention of the world because of its high added value and large market demand.

The silicon carbide particle screening device is a device for screening silicon carbide particles. With the advancement of science and technology, people have higher requirements for the silicon carbide particle screening device.

Most of the existing silicon carbide particle screening devices cannot classify and screen silicon carbide particles, so that the screening quality is not high, and cannot automatically classify and screen silicon carbide particles, which is troublesome to use and low in screening efficiency.

Contents of the invention

Aiming at the above problems, the present invention proposes a silicon carbide particle screening system, which can automatically classify and screen silicon carbide particles, has high screening efficiency, is convenient to use, and has low cost.

The specific technical scheme is as follows:

A silicon carbide particle screening system, comprising a housing, a base is provided in the housing, a screening device is provided on the base, and a feeding hopper is provided on the housing;

The screening device includes a screening device housing, the screening device housing is provided with a first screening mechanism and a second screening mechanism, the number of the first screening mechanism is at least one group, the second screening mechanism is located below the first screening mechanism, The feed hopper passes through the housing of the screening device and is located above the first screening mechanism;

The first screening mechanism includes a first sieve plate and a second sieve plate, the first sieve plate is located above the second sieve plate, the first sieve plate includes a first guide plate and a first sieve plate, and the first guide plate is inclined fixed on the housing of the screening device, the first sieve plate is fixed horizontally on the bottom side of the first guide plate, the second sieve plate includes the second guide plate and the second sieve plate, the second sieve plate is inclined Fixed on the housing of the screening device, the second guide plate is fixed horizontally on the bottom side of the second sieve plate, the second sieve plate is opposite to the inclination direction of the first guide plate, the first sieve plate and the second guide plate respectively fixed on the two opposite side walls of the screening device housing; the first sieve plate and the second sieve plate are evenly provided with a number of sieve holes;

The second screening mechanism includes a first sieve plate and a third sieve plate, the third sieve plate includes a third guide plate and a fourth guide plate, the third guide plate is arranged in parallel with the second sieve plate, and the fourth guide plate is connected to the second sieve plate. The second guide plate is arranged in parallel;

The bottom of the housing of the screening device is provided with a first fixed plate, the base is provided with a second fixed plate, the second fixed plate is provided with a vibration motor, the vibration motor passes through the first fixed plate and is fixedly connected with the screening device, and the first fixed plate A number of first springs are provided at the bottom of the plate, and the first springs pass through the second fixed plate and are connected to the base;

The first screening mechanism and the second screening mechanism are respectively provided with a baffle plate, and an opening is arranged on the baffle plate, and the baffle plate vertically passes through the second guide plate or the fourth guide plate, and the two sides of the bottom of the baffle plate can respectively be The rotating one is connected with the first transfer rod, the first transfer rod is fixedly connected to the first rotating shaft, the first rotating shaft is rotatably set in the housing of the screening device, and the second transferring rod is also provided on the first rotating shaft , the second transfer rod is located outside the screening device and is parallel to the first transfer rod, the other end of the second transfer rod is provided with a number of first transfer blocks, the first transfer blocks can be rotated with the second The adapter blocks are connected, the second adapter block is fixed on the first transmission plate, the first transmission plate is vertically arranged, its upper end is connected with the cylinder, and its lower end is inserted into the fixed slot of the guide seat, and the fixed insert A pressure sensor is provided at the bottom of the groove, a second spring is provided under the first transmission plate, and a pressure block is provided at the bottom of the second spring, and the position of the pressure block corresponds to the pressure sensor;

When the first transfer rod and the second transfer rod are in a horizontal state, the opening on the baffle is located above the second guide plate or the fourth guide plate, and when the cylinder shrinks, the outer end of the first transfer rod is located at the second Below the outer end of the transfer rod, the baffle moves downward, so that the opening on the baffle is located below the second guide plate or the fourth guide plate;

The wall of the screening device housing is provided with a number of outlets, each outlet is set corresponding to the second guide plate or the fourth guide plate, each outlet is connected to a section of hose, and each hose is connected to the corresponding discharge The pipes are connected, and each discharge pipe is connected to the corresponding fan through the casing, the fan is connected to the PLC controller, and the PLC controller is also connected to the cylinder, the vibration motor and the pressure sensor respectively.

The above-mentioned silicon carbide particle screening system, wherein, when the number of the first screening mechanisms is 2 or more, the adjacent two sets of first screening mechanisms are arranged vertically, and the second of the adjacent first screening mechanisms The apertures of the sieve holes on the sieve plate decrease gradually from top to bottom, and the apertures of the sieve holes on the first sieve plate are larger than those of any second sieve plate.

The above-mentioned silicon carbide particle screening system, wherein, the upper surfaces of the second guide plate and the fourth guide plate are arranged obliquely, and their thickness gradually decreases from the baffle plate to the housing of the screening device.

The above-mentioned silicon carbide particle screening system, wherein, the two walls of the baffle are respectively provided with an avoidance groove, and the avoidance groove is located at the opening.

The above-mentioned silicon carbide particle screening system, wherein, the housing of the screening device is also provided with an air inlet and an air outlet, the air inlet and the air outlet are arranged horizontally and oppositely, both of which are located above the first screening mechanism, and the air inlet is above the first screening mechanism. There is an air inlet blowpipe, and an outlet pipe is provided on the air outlet; the air outlet is a circular truncated structure, and the inner diameter of the air outlet is larger than its outer diameter; The particle size of the silicon carbide particles adjusts the wind speed, and the silicon carbide particles are initially screened.

The beneficial effects of the present invention are:

The invention is used for classifying and screening silicon carbide particles, and can screen out silicon carbide particles whose particle diameter gradually decreases from top to bottom;

When in use, the cylinder is in a contracted state, the opening on the baffle is located under the second guide plate or the fourth guide plate, and the material is fed into the screening device through the feeding hopper, the vibration motor is turned on to vibrate, and the material is dispersed through the first guide plate After that, it falls from the first sieve plate to the second sieve plate for screening. At this time, the material with small particle size falls into the guide plate below for the next stage of dispersion, and the material with large particle size is blocked by the baffle and remains. on the second screen;

After 10 minutes, the cylinder stretches to move the baffle plate upwards. At this time, the opening on the baffle plate is located above the second guide plate or the fourth guide plate, and the screened materials fall into the second guide plate or the fourth guide plate. And the briquetting block is pressed above the pressure sensor;

After 5 minutes, the cylinder shrinks, the opening is closed, and there is no induced pressure on the pressure sensor. The PLC controller controls the fan to start, and collects the materials accumulated on the second guide plate or the fourth guide plate;

Repeat this cycle until the material classification and screening is completed;

To sum up, the present invention can automatically classify and screen silicon carbide particles, with high screening efficiency, convenient use and low cost.

Description of drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a system connection diagram of the present invention.

Fig. 3 is a connection diagram of the first adapter rod and the second adapter rod of the present invention.

Fig. 4 is a structure diagram of the baffle of the present invention.

Fig. 5 is a sectional view of the baffle of the present invention.

Fig. 6 is an enlarged view of part A in Fig. 1 .

detailed description

In order to make the technical solution of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings. Any solution obtained by equivalent replacement and conventional reasoning of the technical features of the technical solution of the present invention falls within the protection scope of the present invention.

reference sign

Housing 1, base 2, feed hopper 3, screening device housing 4, first screening mechanism 5, second screening mechanism 6, first sieve plate 7, second sieve plate 8, first guide plate 9, first Sieve plate 10, second guide plate 11, second sieve plate 12, third sieve plate 13, third guide plate 14, fourth guide plate 15, first fixed plate 16, second fixed plate 17, vibration motor 18. First spring 19, baffle plate 20, opening 21, escape groove 22, first transfer rod 23, first rotating shaft 24, second transfer rod 25, first transfer block 26, second transfer block 27. The first transmission plate 28, cylinder 29, fixed slot 30, pressure sensor 31, second spring 32, pressing block 33, outlet 34, hose 35, discharge pipe 36, fan 37, PLC controller 38, outlet Tuyere 39, air inlet blowpipe 40.

As shown in the figure, a silicon carbide particle screening system includes a housing 1, a base 2 is provided in the housing, a screening device is provided on the base, and a feeding hopper 3 is provided on the housing;

Described screening device comprises screening device housing 4, is provided with the first screening mechanism 5 and the second screening mechanism 6 in the screening device housing, the quantity of the first screening mechanism is at least one group, and the second screening mechanism is positioned at the first screening mechanism Below, the feed hopper passes through the housing of the screening device and is located above the first screening mechanism;

The first screening mechanism includes a first sieve plate 7 and a second sieve plate 8, the first sieve plate is positioned above the second sieve plate, the first sieve plate includes a first guide plate 9 and a first sieve plate 10, and the first sieve plate is positioned above the second sieve plate. A guide plate is obliquely fixed on the screening device housing, the first sieve plate is fixed horizontally on the bottom side of the first guide plate, the second sieve plate includes a second guide plate 11 and a second sieve plate 12, the second sieve plate The second sieve plate is obliquely fixed on the casing of the screening device, and the second guide plate is fixed horizontally on the bottom side of the second sieve plate. The second sieve plate is inclined in the opposite direction to the first guide plate. The plate and the second guide plate are respectively fixed on the two opposite side walls of the screening device housing; the first sieve plate and the second sieve plate are evenly provided with a number of sieve holes;

Described second screening mechanism comprises first sieve plate and the 3rd sieve plate 13, and the 3rd sieve plate comprises the 3rd guide plate 14 and the 4th guide plate 15, and the 3rd guide plate is arranged in parallel with the second sieve plate, the 4th sieve plate The guide plate is arranged in parallel with the second guide plate, and the upper surfaces of the second guide plate and the fourth guide plate are arranged obliquely, and their thickness gradually decreases from the baffle plate to the direction of the screening device housing; the first guide plate, the second guide plate The guide plate, the third guide plate and the fourth guide plate are all non-porous plates;

The bottom of the housing of the screening device is provided with a first fixed plate 16, the base is provided with a second fixed plate 17, the second fixed plate is provided with a vibration motor 18, and the vibration motor passes through the first fixed plate and is fixedly connected with the screening device. The bottom of the first fixed plate is provided with some first springs 19, and the first springs pass through the second fixed plate and are connected to the base;

The first screening mechanism and the second screening mechanism are respectively provided with a baffle plate 20, the baffle plate is provided with an opening 21, and the two walls of the baffle plate are respectively provided with an avoidance groove 22, and the avoidance groove is located at the opening. The baffle vertically passes through the second guide plate or the fourth guide plate, and the two sides of the bottom of the baffle are respectively rotatably connected to the first transfer rod 23, and the first transfer rod is fixedly connected to the first rotating shaft 24, The first rotating shaft is rotatably arranged in the screening device housing. The first rotating shaft is also provided with a second transfer rod 25. The second transfer rod is located outside the screening device and is parallel to the first transfer rod. The other end of the adapter rod is provided with some first adapter blocks 26, the first adapter blocks are respectively rotatable and connected with the second adapter blocks 27, the second adapter blocks are fixed on the first transmission plate 28, and the second adapter blocks are fixed on the first transmission plate 28. A transmission plate is vertically arranged, its upper end is connected with the cylinder 29, and its lower end is inserted into the fixed slot 30 of the guide seat. The bottom of the fixed slot is provided with a pressure sensor 31, and the first transmission plate is provided below. Two springs 32, the bottom of the second spring is provided with a briquetting block 33, and the position of the briquetting block corresponds to the pressure sensor;

When the first transfer rod and the second transfer rod are in a horizontal state, the opening on the baffle is located above the second guide plate or the fourth guide plate, and when the cylinder shrinks, the outer end of the first transfer rod is located at the second Below the outer end of the transfer rod, the baffle moves downward, so that the opening on the baffle is located below the second guide plate or the fourth guide plate;

The wall of the screening device housing is provided with several outlets 34, and each outlet is provided corresponding to the second guide plate or the fourth guide plate, and each outlet is connected with a section of hose 35, and each hose is respectively connected to its corresponding The discharge pipes 36 are connected, and each discharge pipe passes through the housing and is connected to the corresponding fan 37, the fan is connected to the PLC controller 38, and the PLC controller is also connected to the cylinder, the vibration motor and the pressure sensor respectively;

Described screening device housing is also provided with air inlet and air outlet 39, and air inlet and air outlet are horizontal and oppositely arranged, and both are all positioned at the first screening mechanism top, and air inlet is provided with air inlet blowpipe 40, and air outlet is provided with. A discharge pipe is provided; the air outlet is a circular frustum-shaped structure, and the inner diameter of the air outlet is larger than the outer diameter; the air inlet blowpipe blows gas into the housing of the screening device, and the wind speed is adjusted according to the particle size of the silicon carbide particles to be screened. Preliminary screening of silicon carbide particles.

When the number of the first screening mechanism is 2 groups or more than 2 groups, the adjacent two groups of the first screening mechanism are arranged vertically, and the aperture diameter of the sieve hole of the second sieve plate in the adjacent first screening mechanism is from top to bottom. Decreasing gradually, the aperture of the sieve holes on the first sieve plate is larger than the aperture of the sieve holes on any second sieve plate.

The invention is used for classifying and screening silicon carbide particles, and can screen out silicon carbide particles whose particle diameter gradually decreases from top to bottom;

When in use, the cylinder is in a contracted state, the opening on the baffle is located under the second guide plate or the fourth guide plate, and the material is fed into the screening device through the feeding hopper, the vibration motor is turned on to vibrate, and the material is dispersed through the first guide plate After that, it falls from the first sieve plate to the second sieve plate for screening. At this time, the material with small particle size falls into the guide plate below for the next stage of dispersion, and the material with large particle size is blocked by the baffle and remains. on the second screen;

After 10 minutes, the cylinder stretches to move the baffle plate upwards. At this time, the opening on the baffle plate is located above the second guide plate or the fourth guide plate, and the screened materials fall into the second guide plate or the fourth guide plate. And the briquetting block is pressed above the pressure sensor;

After 5 minutes, the cylinder shrinks, the opening is closed, and there is no induced pressure on the pressure sensor. The PLC controller controls the fan to start, and collects the materials accumulated on the second guide plate or the fourth guide plate;

This cycle is repeated until the material classification and screening is completed.

Claims (5)

1. a kind of silicon-carbide particles screening system, it is characterized in that, including housing, base is provided with housing, base is provided with screening Device, housing are provided with feed hopper；

The screening plant includes screening plant housing, and the first sorting mechanism and the second screening machine are provided with screening plant housing Structure, the quantity of the first sorting mechanism are at least one group, and the second sorting mechanism is located at the lower section of the first sorting mechanism, the feed hopper Through screening plant housing and above the first sorting mechanism；

First sorting mechanism includes the first sieve plate and the second sieve plate, and the first sieve plate is located at the top of the second sieve plate, the first sieve Plate includes the first guide plate and first and crosses sieve plate, and the first guide plate is inclined to be fixed on screening plant housing, first crosses sieve plate Horizontal is fixed on the first guide plate bottom side, and the second sieve plate includes the second guide plate and second crosses sieve plate, and second crosses sieve plate It is inclined be fixed on screening plant housing, second guiding plate level be fixed on second cross sieve plate bottom side, second sieving Plate is with the first guide plate incline direction on the contrary, first crosses sieve plate and the second guide plate to be separately fixed at screening plant housing relative In two side walls；Described first sieve plate, second excessively is uniformly provided with some sieve apertures respectively on sieve plate excessively；

Second sorting mechanism includes the first sieve plate and the 3rd sieve plate, and the 3rd sieve plate includes the 3rd guide plate and the 4th and is oriented to Plate, the 3rd guide plate are crossed sieve plate with second and be arranged in parallel, and the 4th guide plate be arranged in parallel with the second guide plate；

The screening plant housing bottom is provided with the first fixed disk, and base is provided with the second fixed disk, and the second fixed disk is provided with Vibrating motor, vibrating motor are fixedly connected through the first fixed disk with screening plant, and first, which fixes tray bottom, is provided with some first Spring, the first spring are connected through the second fixed disk with base；

A baffle plate is respectively equipped with first sorting mechanism and the second sorting mechanism, baffle plate is provided with opening, and baffle plate is vertical Pass through the second guide plate or the 4th guide plate, the both sides of baffle bottom are rotatably connected with the first adapting rod respectively, One adapting rod is fixedly connected in first rotating shaft, and first rotating shaft is spindle rotationally arranged in screening plant housing, in first rotating shaft The second adapting rod is additionally provided with, the second adapting rod is located at outside screening plant and is parallel to each other with the first adapting rod, the second adapting rod The other end be provided with some first transfer blocks, the first transfer block is rotatably connected with the second transfer block respectively, second switching Block is fixed on the first driver plate, and the first driver plate is vertically arranged, and its upper end connects with cylinders, the plug-type setting in its lower end In the fixed slot of guide holder, fixed slot bottom is provided with pressure sensor, and the second bullet is provided with below first driver plate Spring, second spring bottom are provided with briquetting, and the position of briquetting is corresponding with pressure sensor；

When the first adapting rod and the second adapting rod are in horizontality, the opening on baffle plate is located at the second guide plate or the 4th led To the top of plate, when cylinder shrinks, the outboard end of the first adapting rod is located at the lower section of the outboard end of the second adapting rod, and baffle plate is downward Motion, make the opening on baffle plate positioned at the lower section of the second guide plate or the 4th guide plate；

The wall of the screening plant housing is provided with some outlets, and each outlet corresponds to the second guide plate or the 4th guide plate respectively Set, connect one section of flexible pipe in each outlet respectively, corresponding discharge nozzle is connected each flexible pipe respectively, each discharge nozzle The corresponding blower fan of housing is each passed through to be connected, blower fan is connected with PLC, PLC also respectively with cylinder, Vibrating motor, pressure sensor are connected.

2. a kind of silicon-carbide particles screening system as claimed in claim 1, it is characterized in that, when the quantity of the first sorting mechanism is At 2 groups or more than 2 groups, adjacent two group of first sorting mechanism longitudinal arrangement, the second sieving in the first adjacent sorting mechanism The aperture of the sieve aperture of plate is gradually reduced from top to bottom, and the first aperture for crossing the sieve aperture on sieve plate is more than any second and crossed on sieve plate The aperture of sieve aperture.

3. a kind of silicon-carbide particles screening system as claimed in claim 1, it is characterized in that, second guide plate and the 4th is led It is obliquely installed to the upper surface of plate, its thickness is gradually reduced from baffle plate to screening plant housing direction.

4. a kind of silicon-carbide particles screening system as claimed in claim 1, it is characterized in that, set respectively on two walls of the baffle plate There is an escape groove, escape groove is located at opening.

5. a kind of silicon-carbide particles screening system as claimed in claim 1, it is characterized in that, also set on the screening plant housing Have an air inlet and air outlet, air inlet and air outlet it is horizontal and be oppositely arranged, both of which be located at the first sorting mechanism top, air intake Mouth is provided with air intake blowpipe, and air outlet is provided with discharge nozzle；The air outlet is truncated cone-shaped structure, and the inside diameter of air outlet is big In its outside diameter.