CN212284812U

CN212284812U - Vibration classifying screen for feed processing

Info

Publication number: CN212284812U
Application number: CN202020431236.1U
Authority: CN
Inventors: 杨华武
Original assignee: Zhangjiajie Xinruixing Feed Co Ltd
Current assignee: Zhangjiajie Xinruixing Feed Co Ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-05
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a vibrating classifying screen for feed processing, which comprises a frame and a rectangular screening box arranged on the frame; a coarse screen and a fine screen which are parallel to each other are respectively arranged in the screen separating box from top to bottom, the coarse screen and the fine screen are obliquely arranged, and vibrators are respectively arranged on one sides of the bottoms of the coarse screen and the fine screen; a feeding hopper is arranged on one side of the top cover of the screening box, which is close to the top ends of the coarse screen and the fine screen, and a first discharge port and a second discharge port are respectively arranged on one side of the side wall of the screening box, which is close to the bottom ends of the coarse screen and the fine screen; the bottom of the machine base is provided with a shock pad, and the inner wall of the screening box is provided with a sound absorption layer; the device adopts a two-stage vibration screening structure, thereby overcoming the defect that the screening efficiency is influenced in the prior art, realizing automatic continuous screening operation, having high production efficiency and good grading effect, and realizing large-amplitude shock absorption and noise reduction by combining the arrangement of a sound absorption layer and a shock absorption pad; it is widely suitable for matching feed screening operation.

Description

Vibration classifying screen for feed processing

Technical Field

The utility model relates to a material divides the sieve equipment, especially relates to a vibration classifying screen that feed processing used.

Background

The compound feed comprises a plurality of varieties of raw materials such as soybean, corn, grain and the like, and the raw materials are respectively crushed and mixed during processing, and then are granulated and screened, so that granular feed with uniform particle size is obtained; at present, generally adopt the shale shaker that circles round to carry out pellet feed's screening, and the current shale shaker during operation that circles round, tiny granule is selected from the mesh when revolving round the operation through the screen cloth, and remain the thick granule on the screen cloth, generally need the screen cloth to stop to revolve round the operation back again from one side vibration discharge of screen cloth, because the screen cloth can select tiny granule in the operation of circling round, but can not carry out the discharge of thick and big granule simultaneously, thereby influence the efficiency of fodder screening, and the noise is big during the screen cloth vibration, influence operational environment and operating personnel's normal work.

Disclosure of Invention

In view of the above situation, an object of the utility model is to provide a vibration classifying screen that feed processing used, thereby it adopts the structure of second grade vibration screening to overcome prior art influence screening efficiency's defect, can realize automatic continuous screening operation, and production efficiency is high, and hierarchical effect is good to combine to set up sound absorbing layer and shock pad, realize damping and noise reduction by a wide margin, overall structure scientific and reasonable, simple compactness, installation and convenient to use, market prospect is wide, convenient to popularize and use.

In order to achieve the aim, the vibrating classifying screen for feed processing comprises a base and a rectangular classifying screen box arranged on the base; a coarse screen and a fine screen which are parallel to each other are respectively arranged in the screen separating box from top to bottom, the coarse screen and the fine screen are obliquely arranged, and vibrators are respectively arranged on one sides of the bottoms of the coarse screen and the fine screen; a feeding hopper is arranged on one side of the top cover of the screening box, which is close to the top ends of the coarse screen and the fine screen, and a first discharge port and a second discharge port are respectively arranged on one side of the side wall of the screening box, which is close to the bottom ends of the coarse screen and the fine screen; the bottom of frame is equipped with the shock pad, be equipped with the sound absorbing layer on the inner wall of branch sieve case.

In order to realize the optimization of the structure and the effect, the further measures are as follows: the sound absorption layer is formed by sticking and wrapping the polyester fiber sound absorption plate on the inner wall of the sub-screening box.

The inclined included angles between the coarse screen and the fine screen and the horizontal plane are 5-8 degrees.

The shock pad is a polyurethane elastic plate, and the thickness of the shock pad is more than or equal to 25 mm.

The first discharge port and the second discharge port are respectively connected with the collecting barrel.

The bottom of the sieve separating box is conical, and a third discharge hole is formed in the center of the bottom of the sieve separating box.

The utility model discloses compare the produced beneficial effect of prior art:

the utility model discloses a sieve incasement from last to being equipped with mutual parallel coarse screen cloth and fine screen cloth down respectively, when the vibrator during operation, can make coarse screen cloth and fine screen cloth realize the vibration and sieve the fodder, the pellet feed that the particle size is thick is retained on the coarse screen cloth and is discharged through first discharge gate, can return to smash and recycle, the pellet feed that the particle size is less is retained on the fine screen cloth and is discharged through the second discharge gate, sell as finished product packing, finest fodder and powder are discharged from the third discharge gate, can return and granulate again, the particle size grading is obvious, sieve effect is good, be favorable to guaranteeing that the fodder finished product granule size is even, high quality;

(II) the utility model discloses a divide the sieve incasement from last to being equipped with coarse screen cloth and fine screen cloth that are parallel to each other respectively down, when the vibrator during operation, can make coarse screen cloth and fine screen cloth realize the vibration and divide the sieve fodder, and can realize that the screen cloth sieves out the thick granule that remains on the screen cloth when the screen cloth sieves out the fine granule in the vibration, thereby realize automatic continuous screening operation, it is faster to compare the branch sieve speed of the vibration screening equipment that circles round, production efficiency is high, and overall structure is simple, easy to assemble, the cost of manufacture is low;

(III) the coarse screen and the fine screen are obliquely arranged, so that the screening speed and the screening effect of the feed can be further improved, the granulated feed retained on the screens can be conveniently and smoothly discharged, and the normal operation of equipment can be guaranteed;

(IV) the utility model adopts the inner wall of the screening box to be provided with the sound absorbing layer, which can obviously reduce the noise generated by the equipment, reduce the pollution of the noise to the surrounding environment and reduce the influence on the work and the health of the operating personnel, and combine the bottom of the machine base to be provided with the shock pad, thereby achieving the effects of shock absorption, energy conservation and consumption reduction;

(V) the utility model discloses a thereby the defect that prior art influences screening efficiency is overcome to the structure of second grade vibration screening, can realize automatic continuous screening operation, production efficiency is high, and hierarchical effect is good to the combination sets up sound absorbing layer and shock pad, realizes vibration/noise reduction by a wide margin, overall structure scientific and reasonable, simple compactness, installation and convenient to use have apparent economic benefits and social.

The utility model discloses extensively be applicable to the material and divide the sieve operation, be particularly suitable for the fodder to divide the supporting use of sieve operation.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1-machine base, 11-shock pad, 2-screening box, 21-sound absorbing layer, 22-first discharge port, 23-second discharge port, 24-third discharge port, 3-vibrator, 4-fine screen, 5-coarse screen, 6-feed hopper and 7-collecting barrel.

Detailed Description

Referring to fig. 1, the present invention is implemented as follows: a vibration grading sieve for feed processing comprises a machine base 1 and a screening box 2 which is arranged on the machine base 1 and is in a cuboid shape; a coarse screen 5 and a fine screen 4 which are parallel to each other are respectively arranged in the screen separating box 2 from top to bottom, the coarse screen 5 and the fine screen 4 are obliquely arranged, and a vibrator 3 is respectively arranged on one side of the bottom of each of the coarse screen 5 and the fine screen 4; a feed hopper 6 is arranged on one side of the top cover of the screening box 2 close to the top ends of the coarse screen 5 and the fine screen 4, and a first discharge port 22 and a second discharge port 23 are respectively arranged on one side of the side wall of the screening box 2 close to the bottom ends of the coarse screen 5 and the fine screen 4; the bottom of frame 1 is equipped with shock pad 11, be equipped with sound absorbing layer 21 on the inner wall of branch sieve case 2.

As shown in fig. 1, in the present invention, a first discharge port 22 and a second discharge port 23 are respectively connected to a collecting barrel 7, and the first discharge port 22 and the second discharge port 23 are arranged to facilitate smooth discharge of the pellet feed retained on the coarse screen mesh 5 and the fine screen mesh 4; the bottom of the tank body of the sub-screening box 2 is conical, the center of the bottom of the tank body is provided with a third discharge hole 24, and the conical structure is adopted to facilitate the smooth discharge of feed particles; the inclined included angles of the coarse screen 5 and the fine screen 4 and the horizontal plane are 5-8 degrees, the structure is favorable for discharging the pellet feed retained on the screen smoothly, the screening speed and the screening effect of the feed can be further improved, the discharge of the pellet feed is not facilitated due to too small inclined included angles, and the particles are easily concentrated at the bottom end of the screen due to too large inclined included angles, so that the screening speed and the screening effect are influenced.

Referring to fig. 1, the sound absorption layer 21 of the present invention is formed by sticking and wrapping the polyester fiber sound absorption plate on the inner wall of the sub-screen box 2, and generally wraps the inner wall of the sub-screen box all around, and the sound absorption layer can reduce the noise generated by the vibrator, thereby reducing the pollution of the noise to the surrounding environment and the influence on the work and health of the operating personnel; the polyester fiber sound-absorbing board is also called glass wool, and is a material which is prepared by taking polyester fiber and glass fiber as raw materials through hot press molding and has the sound-absorbing function, the polyester fiber sound-absorbing board has the characteristics of sound absorption, heat insulation, heat preservation and the like, the board is uniform and firm, and is rich in elasticity, toughness, wear resistance, impact resistance, tearing resistance, difficult scratching, easy in dust removal and simple in maintenance, and the highest sound-absorbing coefficient in the noise range of 125-4000 HZ reaches more than 0.9; the shock pad 11 is a polyurethane elastic plate, the thickness of the shock pad is larger than or equal to 25mm, and the polyurethane elastic material has excellent performances such as high strength, good toughness, wear resistance, oil resistance and the like and good performances such as shock resistance, fatigue resistance, shock absorption, noise reduction and the like, so that the polyurethane elastic material is used as the shock pad, the noise of equipment can be obviously reduced, the energy-saving and consumption-reducing effects are obvious, and meanwhile, the thickness of the polyurethane elastic plate can ensure the shock absorption and noise reduction effects.

As shown in FIG. 1, the work flow of the present invention is: when the screening machine works, feed particles are conveyed into the screening box through the feed hopper, the vibrator is started at the same time, the coarse screen and the fine screen are controlled to vibrate, and particles falling from the top end of the screen can pass through the screen holes to fall in the vibrating process to realize screening under the action of the screen vibration, so that the particles can be prevented from blocking the screen holes; in the screening, the particles with large particle size are retained on a coarse screen and discharged through a first discharge port, the particles are recycled, crushed and reused by a collecting barrel, the particles with small particle size pass through the holes of the coarse screen and are retained on a fine screen and discharged from a second discharge port, the particles are collected by the collecting barrel to be packaged and put in storage for sale as finished products, and the finest particles and feed powder pass through the fine screen and are discharged from a third discharge port at the bottom of a tank body, and the particles are recycled and re-granulated for use by the collecting barrel, so that continuous automatic screening is realized; the whole operation is simple, the time and the labor are saved, the particle size grading is obvious, and the screening effect is good.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and the technical solution and the concept of the present invention should be replaced or changed equivalently, and all should be included in the scope of the present invention.

Claims

1. A vibration grading sieve for feed processing is characterized by comprising a base (1) and a screening box (2) which is arranged on the base (1) and is in a cuboid shape; a coarse screen (5) and a fine screen (4) which are parallel to each other are respectively arranged in the screen separating box (2) from top to bottom, the coarse screen (5) and the fine screen (4) are obliquely arranged, and vibrators (3) are respectively arranged on one sides of the bottoms of the coarse screen (5) and the fine screen (4); a feed hopper (6) is arranged on one side of the top cover of the screening box (2) close to the top ends of the coarse screen (5) and the fine screen (4), and a first discharge port (22) and a second discharge port (23) are respectively arranged on one side of the side wall of the screening box (2) close to the bottom ends of the coarse screen (5) and the fine screen (4); the bottom of frame (1) is equipped with shock pad (11), be equipped with sound absorbing layer (21) on the inner wall of branch sieve case (2).

2. The vibrating classifying screen for feed processing according to claim 1, wherein the sound absorbing layer (21) is formed by sticking a polyester fiber sound absorbing plate on the inner wall of the classifying box (2).

3. The vibrating classifying screen for feed processing according to claim 1, wherein the inclination angles of the coarse screen mesh (5) and the fine screen mesh (4) with the horizontal plane are 5 ° to 8 °.

4. The vibrating classifying screen for feed processing according to claim 1, wherein the shock-absorbing pad (11) is a polyurethane elastic plate and has a thickness of not less than 25 mm.

5. The vibrating classifying screen for feed processing according to claim 1, wherein the first discharging port (22) and the second discharging port (23) are respectively connected to a collecting barrel (7).

6. The vibrating classifying screen for feed processing according to claim 1, wherein the bottom of the classifying box (2) is conical and a third discharging hole (24) is provided at the center of the bottom.