CN210675960U

CN210675960U - Feed screening machine

Info

Publication number: CN210675960U
Application number: CN201921507515.5U
Authority: CN
Inventors: 张旭辉
Original assignee: Chengdu Yangyuan Animal Science And Technology Co Ltd
Current assignee: Chengdu Yangyuan Animal Science And Technology Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-05
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a fodder sieve separator, include: a feeding hopper is arranged on one side of the top of the body; an inclined powder removing sieve is arranged in the body, and a feed opening is formed between the inclined bottommost end of the powder removing sieve and the inner wall of the body; a sliding plate is arranged below the powder removing sieve, a powder outlet is formed in the powder removing box at the bottommost end of the sliding plate, and a powder collecting box is arranged outside the powder outlet; the surface of the powder removing sieve is provided with a plurality of baffle units, and each baffle unit comprises a pair of first baffles and a second inverted V-shaped baffle; the bottom of the body is provided with a screening barrel, and a material passing screen is arranged in the screening barrel; the feed opening is provided with a feed guiding plate inclined towards the opening at the top of the screening barrel; a first-stage discharge hole is formed in the side wall of the screening barrel on one side of the material passing sieve, and a second-stage discharge hole is formed in one side of the bottom of the screening barrel; the body is hinged with a sealing door opposite to the screening barrel. The utility model provides a fodder sieve separator improves the off-the-shelf quality of fodder, increases economic benefits, and long service life.

Description

Feed screening machine

Technical Field

The utility model relates to a feed production technical field especially relates to a fodder sieve separator.

Background

With the development of the breeding industry, the feed production industry is gradually developed. In the feed production process, due to the influence of various factors during the processing and granulating, a part of small particles and a part of hollow particles and powder with low strength are easily produced, and in order to ensure the quality of finished product particles of the packaged feed and improve the market competitiveness, the small particles and the hollow particles are required to be separated before the finished product is packaged, the feed after the processing and granulating needs to be screened, and the qualified feed particles are subjected to subsequent bagging operation.

In the prior art, most of the feed is separated by a vibrating screen to control the mesh size of the vibrating screen so as to obtain required feed finished product particles, but in the vibrating separation process, a part of fine particles and powder are drifted into the air to pollute the production environment; the vibrating screen has large vibration and noise when working, and the vibration can affect the whole structure of the screening device after long service life, thus reducing the service life; in addition, the vibration amplitude of the traditional vibrating screen is small, feed can be accumulated on the screen surface of the vibrating screen, and the screening efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

In order to solve the deficiency of the prior art, the utility model provides a feed screening machine, include:

a feeding hopper is arranged on one side of the top of the body; an inclined powder removing sieve is arranged in the body, and a feed opening is formed between the inclined bottommost end of the powder removing sieve and the inner wall of the body; a sliding plate with the inclination direction opposite to that of the powder removing sieve is arranged below the powder removing sieve, a powder outlet is formed in the body at the bottommost end of the sliding plate, and a powder collecting box is arranged outside the powder outlet;

the surface of the powder removing sieve is provided with a plurality of baffle units along the length direction, each baffle unit comprises a pair of first baffles and a pair of second inverted V-shaped baffles, the first baffles are combined and distributed on the powder removing sieve in a funnel shape, and the second baffles are positioned right below an opening between the two first baffles;

the bottom of the body is provided with a screening barrel driven by a driving device to rotate, and a material passing sieve is arranged in the screening barrel; the feed opening is provided with a feed guiding plate inclined towards the opening at the top of the screening barrel; a first-stage discharge hole is formed in the side wall of the screening barrel on one side of the material passing sieve, and a second-stage discharge hole is formed in one side of the bottom of the screening barrel; the body is hinged with a sealing door opposite to the screening barrel.

Preferably, the inclination angle of the powder removing sieve is 15-20 degrees.

Preferably, an air inlet cover is arranged in the body between the powder removing sieve and the sliding plate, the air inlet cover is connected with an air inlet end of an exhaust fan through an air suction pipe, and an air outlet end of the exhaust fan is connected with the powder collecting box through an air outlet pipe; the powder collecting box is characterized in that an air outlet is formed in the top of the powder collecting box, and non-woven fabrics are arranged at the air outlet.

Preferably, the driving device comprises a motor, a speed reducer and a rotating shaft, an output shaft of the motor is connected with an input end of the speed reducer, the rotating shaft is connected with an output shaft of the speed reducer, and the top of the rotating shaft is fixed on the bottom of the screening barrel.

Preferably, screening bucket bottom is equipped with the row's flitch of slope, row flitch bottom is located second grade discharge gate department.

Preferably, a rubber pad is laid on the surface of the discharging plate.

The utility model discloses at least, include following beneficial effect: the feed screening machine effectively screens out powder and fine particles in feed particles through the screening of the powder removing screen, so that the quality of feed particle products is guaranteed, and the powder and the fine particles fall on the sliding plate and then slide into the powder collecting box, so that the powder and the fine particles are conveniently collected, recovered and reused; the baffle plate unit is beneficial to prolonging the moving distance of the feed particles on the powder removing sieve, so that the powder removing sieve can fully filter fine particles and powdery feed, and meanwhile, the feed particles are prevented from colliding by the first baffle plate and the second baffle plate in the moving process on the powder removing sieve, so that dust attached to the surfaces of the feed particles falls off, and the powder removing effect is further enhanced; screening bucket adopts the pivoted operation mode to filter the fodder for the fodder granule evenly distributed on punishment in advance sieve surface avoids appearing excessively piling up, and the pivoted screening bucket can comparatively quiet operation, and the noise is little, can not influence the mechanical structure of whole device because of the vibration after long-time the use, is favorable to prolonging sieve separator life.

Drawings

Fig. 1 is a schematic structural view of the feed screening machine of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the screening machine of the present invention.

Fig. 3 is a schematic diagram of the distribution structure of the baffle plate unit on the powder removing sieve of the present invention.

Reference numerals: 1-body, 11-charging hopper, 12-sealing door, 2-powder removing sieve, 21-feed opening, 3-sliding plate, 4-powder collecting box, 41-air outlet, 42-non-woven fabric, 5-baffle unit, 51-baffle I, 52-baffle II, 6-screening barrel, 61-driving device, 611-motor, 612-speed reducer, 613-rotating shaft, 62-primary discharge opening, 63-secondary discharge opening, 64-discharging plate, 7-material passing sieve, 8-material guiding plate, 9-air inlet cover, 91-air suction pipe, 92-air exhauster, 93-air outlet pipe and A-inclination angle of powder removing sieve.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1 ~ 3 show the utility model discloses a feed screening machine, include:

a feeding hopper 11 is arranged on one side of the top of the body 1; an inclined powder removing sieve 2 is arranged in the body 1, and a feed opening 21 is arranged between the inclined bottommost end of the powder removing sieve 2 and the inner wall of the body 1; a sliding plate 3 with the inclination direction opposite to that of the powder removing sieve 2 is arranged below the powder removing sieve 2, a powder outlet is formed in the body 1 at the bottommost end of the sliding plate 3, and a powder collecting box 4 is arranged outside the powder outlet;

the surface of the powder removing sieve 2 is provided with a plurality of baffle units 5 along the length direction of the powder removing sieve, each baffle unit 5 comprises a pair of first baffles 51 and a second inverted V-shaped baffle 52, the first baffles 51 are combined and distributed on the powder removing sieve 2 in a funnel shape, and the second baffles 52 are positioned right below an opening between the first baffles 51;

the bottom of the body 1 is provided with a screening barrel 6 driven by a driving device 61 to rotate, and a material passing sieve 7 is arranged in the screening barrel 6; a material guiding plate 8 inclined towards the top opening of the screening barrel 6 is arranged at the feed opening 21; the side wall of the screening barrel 6 at one side of the material passing sieve 7 is provided with a primary discharge port 62, and one side of the bottom of the screening barrel 6 is provided with a secondary discharge port 63; the body 1 is hinged with a sealing door 12 at the position right facing the screening barrel 6.

In the technical scheme, the body 1 isolates the internal screening environment from the external working environment, so that the dust and fine particles of the feed are prevented from flowing outside to influence the external working environment; the urea particles are controlled to fall into the highest inclined position of the powder removing sieve 2 from the feeding hopper 11, the feed particles slide downwards along the inclined powder removing sieve 2 under the action of self gravity, in the moving process, powder and fine particles mixed in the feed particles fall on the sliding plate 3 through sieve pores of the powder removing sieve 2, and the powder and fine particle feed slide into the powder collecting box 4 along the inclined sliding plate 3 for recycling; the baffle plate unit 5 is beneficial to prolonging the moving distance of the feed particles on the powder removing sieve 2, so that the powder removing sieve 2 can fully filter out fine particles and powdery feed, and meanwhile, the feed particles collide with the first baffle plate 51 and the second baffle plate 52 in the gliding process, so that dust attached to the surfaces of the feed particles falls off, and the powder removing effect is further enhanced; the large-particle feed slides down to the lowest inclined end of the powder removing sieve 2 along the powder removing sieve 2, then falls through the discharge port 62, and is guided by the guide plate 8, the feed falls on the material passing sieve 7 in the sieving barrel 6, the sieving barrel 6 rotates under the action of the driving device, feed particles on the material passing sieve 7 start to move under the double actions of radial rolling and gravity, so that the phenomenon of excessive accumulation is avoided, and the feed particles meeting the particle size requirement in the feed particles fall into the sieving barrel 6 through sieve pores of the material passing sieve 7, and the sieving is completed; the screening barrel 6 is used for screening in a rotating mode, can run quietly, has low noise, cannot influence the mechanical structure of the whole device due to vibration after being used for a long time, and prolongs the service life of the screening machine; after the screening is completed, the sealing door 12 is opened, and the first-stage discharge port 62 and the second-stage discharge port 63 are opened respectively to collect the feed.

In another example, the inclination angle of the powder removing sieve 2 is 15-20 degrees. By adopting the scheme, the smooth gliding of the feed particles on the surface of the powder removing sieve 2 is facilitated, and the insufficient powder screening caused by too fast gliding speed is avoided.

In another example, an air inlet cover 9 is arranged in the body between the powder removing sieve 2 and the sliding plate 3, the air inlet cover 9 is connected with the air inlet end of an exhaust fan 92 through an air suction pipe 91, and the air outlet end of the exhaust fan 92 is connected with the powder collecting box 4 through an air outlet pipe 93; the top of the powder collecting box 4 is provided with an air outlet 41, and the air outlet 41 is provided with a non-woven fabric 42.

In this kind of technical scheme, when the fodder granule slides on the dusting sieve 2, can start air exhauster 92, in the air aspiration channel 91 is inhaled along with the air to the floating dust in slide 3 top, enters into collection powder case 4 through tuber pipe 93 again, and the air is discharged through air exit 41, and the dust is stopped in collection powder case 4 by non-woven fabrics 42, is favorable to further reinforcing the effect of removing powder.

In another example, the driving device 61 includes a motor 611, a speed reducer 612 and a rotating shaft 613, an output shaft of the motor 611 is connected with an input end of the speed reducer 612, the rotating shaft 613 is connected with an output shaft of the speed reducer 612, and a top of the rotating shaft 613 is fixed on the bottom of the screening barrel 6. By adopting the scheme, under the action of the motor 611 and the speed reducer 612, the rotating shaft 613 rotates to drive the screening barrel 6 to stably and effectively rotate, so that the material passing screen 7 is always kept at a constant and slow speed in the rotating process, and the material passing screen 7 is guaranteed to be screened. The reducer 612 may be a helical gear worm reducer, which has features of small volume, light weight, and smooth start.

In another example, the bottom of the screening barrel 6 is provided with an inclined discharge plate 64, and the bottom end of the discharge plate 64 is positioned at the secondary discharge port 63. By adopting the scheme, the screened feed meeting the requirement of the screened grain size can be conveniently collected.

In another example, a rubber pad is laid on the surface of the discharging plate 64. By adopting the scheme, the feed particles meeting the requirement of the screening particle size fall down from the material passing sieve 7, the rubber pad can play a certain buffering role, the feed particles are prevented from colliding with the material discharging plate 64 and being crushed again, the particle size of the finally screened feed product particles is ensured to be consistent, and the quality of the feed is favorably improved.

While the embodiments of the invention have been described above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications can be easily made by those skilled in the art without departing from the general concept defined by the claims and their equivalents, and it is therefore not limited to the specific details and illustrations shown and described herein, and it is obvious that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A feed screening machine, characterized by, includes:

a feeding hopper (11) is arranged on one side of the top of the body (1); an inclined powder removing sieve (2) is arranged in the body (1), and a feed opening (21) is formed between the inclined bottommost end of the powder removing sieve (2) and the inner wall of the body (1); a sliding plate (3) with the inclination direction opposite to that of the powder removing sieve (2) is arranged below the powder removing sieve (2), a powder outlet is formed in the body (1) at the bottommost end of the sliding plate (3), and a powder collecting box (4) is arranged outside the powder outlet;

the surface of the powder removing sieve (2) is provided with a plurality of baffle units (5) along the length direction of the powder removing sieve, each baffle unit (5) comprises a pair of first baffles (51) and a second baffle (52) in an inverted V shape, the first baffles (51) are combined and distributed on the powder removing sieve (2) in a funnel shape, and the second baffles (52) are positioned right below an opening between the first baffles (51);

the bottom of the body (1) is provided with a screening barrel (6) driven by a driving device (61) to rotate, and a material passing sieve (7) is arranged in the screening barrel (6); a feed plate (8) inclined towards the top opening of the screening barrel (6) is arranged at the feed opening (21); a primary discharge hole (62) is formed in the side wall of the screening barrel (6) on one side of the material passing screen (7), and a secondary discharge hole (63) is formed in one side of the bottom of the screening barrel (6); the body (1) is hinged with a sealing door (12) at the position right facing the screening barrel (6).

2. A feed screening machine according to claim 1, characterized in that the inclination angle of the dusting screen (2) is 15 ° -20 °.

3. The feed screening machine according to claim 1, characterized in that an air inlet cover (9) is arranged in the body between the powder removing screen (2) and the sliding plate (3), the air inlet cover (9) is connected with the air inlet end of an exhaust fan (92) through an air suction pipe (91), and the air outlet end of the exhaust fan (92) is connected with the powder collecting box (4) through an air outlet pipe (93); the top of the powder collecting box (4) is provided with an air outlet (41), and a non-woven fabric (42) is arranged at the air outlet (41).

4. The feed screening machine according to claim 1, wherein the driving device (61) comprises a motor (611), a speed reducer (612) and a rotating shaft (613), an output shaft of the motor (611) is connected with an input end of the speed reducer (612), the rotating shaft (613) is connected with an output shaft of the speed reducer (612), and the top of the rotating shaft (613) is fixed on the bottom of the screening barrel (6).

5. A feed screening machine according to claim 1, characterized in that the bottom of the screening barrel (6) is provided with an inclined discharge plate (64), the bottom end of the discharge plate (64) being located at the secondary discharge outlet (63).

6. The feed screening machine of claim 5, wherein a rubber pad is applied to the surface of said discharge plate (64).