A feed screening device

Abstract

The utility model relates to feed screening technical field especially, relates to a feed screening device, include: screening cylinder, the inside of screening cylinder is provided with screening subassembly, the top of screening cylinder is fixedly connected with motor, the output of motor is fixedly connected with the pivot, the side of screening cylinder corresponds motor and is equipped with the feed inlet, screening subassembly includes two groups of symmetrically arranged screening hopper, two groups of screening hopper are fixedly connected with the connecting ring between, the utility model discloses a screening subassembly is set up, and the screen hole of upper screening hopper is greater than the screen hole of lower screening hopper, when screening feed, feed first carries out primary screening on upper screening hopper surface, and the feed of larger particle size is intercepted, and the feed of smaller particle size falls into the inside of lower screening hopper and is screened again, and the feed of smaller particle size falls into the bottom of screening cylinder, thereby realizing the multistage classification of feed, and the feed can be screened in three grades according to the particle size from big to small, and the packaging demand of different particle size feed is satisfied.

Description

Technical Field

[0001] This utility model relates to the field of feed screening technology, and in particular to a feed screening device. Background Technology

[0002] Feed is a general term for the food of all animals raised by humans. The existing feed processing technology mainly includes the following steps: cleaning, screening, crushing, batching, mixing, pelleting, packaging, and conveying. Among them, the pelleting and packaging process is very important as the final processing step in feed production. In particular, the production of pelleted feed is very important. Due to the production limitations of the pelleting equipment itself, feed of different sizes will be produced. If all of them are put into the same packaging bag, it will affect the overall quality of the feed. Different pellet sizes will also affect the feeding of livestock and poultry.

[0003] The existing technology has the following shortcomings;

[0004] Some existing screening devices only use a single screening plate to screen feed, which can only perform a single screening and cannot achieve multi-level grading of feed. This results in a wide range of feed particle sizes after screening, which is difficult to meet the requirements of fine packaging. In addition, after screening, feed is easy to remain in the dead corners inside the device, which not only wastes feed but may also affect the quality of subsequent screening feed due to the deterioration of the residual feed. Utility Model Content

[0005] This utility model addresses the shortcomings of existing technologies by providing the following technical solution.

[0006] A feed screening device includes: a screening cylinder, a screening assembly disposed inside the screening cylinder, a motor fixedly connected to the top of the screening cylinder, a rotating shaft fixedly connected to the output end of the motor, and a feed inlet opened on the side of the screening cylinder corresponding to the motor.

[0007] Specifically, the screening assembly includes two sets of symmetrically arranged screening hoppers, with a connecting ring fixedly connected between the two sets of screening hoppers. The sieve holes on the upper screening hopper are larger than those on the lower screening hopper. The upper screening hopper is fixedly connected to the bottom end of the rotating shaft, and an annular groove is formed on the outer surface of the connecting ring.

[0008] As an improvement to the above technical solution, the screening cylinder has two sets of symmetrically arranged discharge ports on the lower surface corresponding to the upper screening hopper. The screening cylinder has a limit component on the side corresponding to one set of discharge ports. The screening cylinder has a protrusion fixedly connected to the position of the annular groove, and the protrusion is slidably connected to the annular groove.

[0009] As an improvement to the above technical solution, the limiting component includes a limiting hole opened on the side of the discharge port, and sliding grooves are opened on both sides of the limiting hole. A sliding plate is slidably installed inside the limiting hole, and a limiting rod is fixedly connected to the inner side of the sliding plate. The bottom of the limiting rod is adapted to the surface of the screening hopper.

[0010] As an improvement to the above technical solution, the top and bottom of the slide are fixedly connected with connecting belts, and the connecting belts are fixedly connected with locking blocks. The screening cylinder is provided with locking slots above and below the corresponding limiting holes.

[0011] As an improvement to the above technical solution, a discharge pipe is provided directly below the screening cylinder corresponding to the screening component. The top of the discharge pipe is rotatably connected to the screening hopper below, and two sets of symmetrically arranged discharge ports are opened below the screening cylinder corresponding to the screening component.

[0012] As an improvement to the above technical solution, the bottom of the discharge pipe penetrates through the bottom of the screening cylinder and is fixedly connected, and the bottom of the screening cylinder is fixedly connected to multiple sets of support legs.

[0013] As an improvement to the above technical solution, the bottom of the screening cylinder is conical, and a through hole is provided between the two sets of discharge ports of the screening cylinder. An L-shaped scraper is slidably installed inside the through hole, and the scraper is in contact with the bottom of the screening cylinder.

[0014] The beneficial effects of this utility model are:

[0015] 1. By setting up a screening component, with the screen openings of the upper screening hopper being larger than those of the lower screening hopper, when screening feed, the feed first undergoes preliminary screening on the surface of the upper screening hopper, where larger particles are retained, while smaller particles fall into the interior of the lower screening hopper for further screening. The smallest particles then fall to the bottom of the screening cylinder, thus achieving multi-level grading of the feed. The feed can be screened in three grades from large to small particle size to meet the packaging requirements of feeds with different particle sizes.

[0016] 2. With the setting of the limiting component, after screening, the limiting rod is attached to the surface of the upper screening hopper. When the screening hopper rotates, the feed will be discharged through the discharge port under the action of the limiting rod, avoiding the dead corners between the screening hopper and the screening cylinder. At the same time, the scraper at the bottom of the screening cylinder can scrape and clean the residual feed at the bottom, further reducing the residue, reducing feed waste, and preventing the residual feed from deteriorating and affecting the quality of the subsequent screened feed. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a cross-sectional view of the present invention from another perspective;

[0020] Figure 4 This utility model Figure 3 Schematic diagram of the structure at point A.

[0021] Reference numerals: 1. Screening cylinder; 101. Feed inlet; 102. Discharge outlet; 103. Protrusion; 104. Discharge pipe; 105. Discharge port; 106. Support leg; 2. Screening assembly; 201. Screening hopper; 202. Connecting ring; 203. Annular groove; 3. Motor; 301. Rotating shaft; 4. Limiting assembly; 401. Limiting hole; 402. Slide groove; 403. Slide plate; 404. Limiting rod; 5. Connecting belt; 501. Locking block; 502. Locking groove; 6. Through hole; 601. Scraper. Detailed Implementation

[0022] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] A feed screening device includes: a screening cylinder 1, a screening component 2 is provided inside the screening cylinder 1, a motor 3 is fixedly connected to the top of the screening cylinder 1, a rotating shaft 301 is fixedly connected to the output end of the motor 3, and a feed inlet 101 is provided on the side of the screening cylinder 1 corresponding to the motor 3.

[0025] The screening assembly 2 includes two sets of symmetrically arranged screening hoppers 201. A connecting ring 202 is fixedly connected between the two sets of screening hoppers 201. The screen holes on the upper screening hopper 201 are larger than those on the lower screening hopper 201. The upper screening hopper 201 is fixedly connected to the bottom end of the rotating shaft 301. An annular groove 203 is provided on the outer surface of the connecting ring 202.

[0026] First, start motor 3. The output end of motor 3 drives the rotating shaft 301 to rotate, which in turn drives the screening component 2 to rotate. At this time, the feed to be screened is fed into the screening cylinder 1 through the feed inlet 101. The feed will first fall to the surface of the upper screening hopper 201 and be initially screened. The screened feed falls into the lower screening hopper 201 for screening again.

[0027] In this embodiment, the screening cylinder 1 has two sets of symmetrically arranged discharge ports 102 on the lower surface of the upper screening hopper 201. The screening cylinder 1 has a limiting component 4 on the side of one of the discharge ports 102. The screening cylinder 1 has a protrusion 103 fixedly connected to the position of the annular groove 203. The protrusion 103 is slidably connected to the annular groove 203.

[0028] By setting the discharge port 102, during the rotation of the upper screening hopper 201, the centrifugal force and its own inclined structure allow feed with a particle size smaller than the screen hole to pass through the screen hole and fall into the lower screening hopper 201, while feed with a particle size larger than the screen hole remains in the upper screening hopper 201 and gradually moves towards the edge along the inclined surface, and is discharged through the discharge port 102. At the same time, through the cooperation of the protrusion 103 and the annular groove 203, the screening component 2 can be supported during the screening of feed.

[0029] In this embodiment, the limiting component 4 includes a limiting hole 401 opened on the side of the discharge port 102. Sliding grooves 402 are opened on both sides of the limiting hole 401. A sliding plate 403 is slidably installed inside the limiting hole 401. A limiting rod 404 is fixedly connected to the inner side of the sliding plate 403. The bottom of the limiting rod 404 is adapted to the surface of the screening hopper 201. A connecting belt 5 is fixedly connected to the top and bottom of the sliding plate 403. A locking block 501 is fixedly connected to the connecting belt 5. A locking groove 502 is opened above and below the limiting hole 401 on the screening cylinder 1.

[0030] By setting the locking block 501 and the locking groove 502, during the feed screening process, the sliding plate 403 is fixed above the chute 402 through the cooperation of the upper connecting belt 5, the locking block 501 and the locking groove 502, and the limiting rod 404 is disengaged from the screening hopper 201 to avoid the limiting rod 404 interfering with the feed screening. After screening, when it is necessary to discharge the feed remaining in the dead corner of the screening hopper 201 and the screening cylinder 1, the limiting component 4 is adjusted to fix the sliding plate 403 below the limiting hole 401, so that the limiting rod 404 is in contact with the surface of the upper screening hopper 201. When the screening component 2 rotates, the feed is discharged through the discharge port 102 under the blocking action of the limiting rod 404, thereby discharging the feed remaining in the dead corner of the screening hopper 201 and the screening cylinder 1.

[0031] In this embodiment, a discharge pipe 104 is provided directly below the screening cylinder 1 corresponding to the screening component 2. The top of the discharge pipe 104 is rotatably connected to the screening hopper 201 below it, and two sets of symmetrically arranged discharge ports 105 are provided below the screening cylinder 1 corresponding to the screening component 2.

[0032] By setting the discharge port 105, the feed that has been screened by the upper screening hopper 201 and falls into the lower screening hopper 201, under the rotation of the lower screening hopper 201, the feed with a particle size smaller than the screen hole falls into the lower part of the screening cylinder 1 and is discharged through the discharge port 105.

[0033] In this embodiment, the bottom of the discharge pipe 104 passes through the bottom of the screening cylinder 1 and is fixedly connected. Multiple sets of support legs 106 are fixedly connected to the bottom of the screening cylinder 1.

[0034] By setting up the discharge pipe 104, feed with a particle size larger than its screen hole will remain in the lower screening hopper 201 and slide along the inclined surface of the screening hopper 201 to the discharge pipe 104 under the action of the rotation of the lower screening hopper 201, and be discharged through the discharge pipe 104.

[0035] In this embodiment, the bottom of the screening cylinder 1 is conical, and a through hole 6 is provided between the two sets of discharge ports 105. An L-shaped scraper 601 is slidably installed inside the through hole 6, and the scraper 601 is in contact with the bottom of the screening cylinder 1.

[0036] By configuring scraper 601, if there is residual feed at the bottom of the screening cylinder 1 after the feed screening operation is completed, scraper 601 in the through hole 6 can be pushed. Scraper 601 slides along the bottom of the cone and scrapes the residual feed to the discharge port 105 for discharge, completing the overall cleaning and preventing feed from remaining in the dead corners of the screening cylinder 1.

[0037] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A feed screening device, characterized in that, include: Screening cylinder (1), screening assembly (2) is provided inside the screening cylinder (1), motor (3) is fixedly connected to the top of the screening cylinder (1), and a rotating shaft (301) is fixedly connected to the output end of the motor (3). A feed inlet (101) is opened on the side of the screening cylinder (1) corresponding to the motor (3). The screening assembly (2) includes two sets of symmetrically arranged screening buckets (201). A connecting ring (202) is fixedly connected between the two sets of screening buckets (201). The screen holes on the upper screening bucket (201) are larger than the screen holes on the lower screening bucket (201). The upper screening bucket (201) is fixedly connected to the bottom end of the rotating shaft (301). An annular groove (203) is provided on the outer surface of the connecting ring (202).

2. The feed screening device according to claim 1, characterized in that: The screening cylinder (1) has two sets of symmetrically arranged discharge ports (102) on the lower surface of the upper screening hopper (201). The screening cylinder (1) has a limit component (4) on the side of one of the discharge ports (102). The screening cylinder (1) has a protrusion (103) fixedly connected to the position of the annular groove (203). The protrusion (103) is slidably connected to the annular groove (203).

3. The feed screening device according to claim 2, characterized in that: The limiting component (4) includes a limiting hole (401) opened on the side of the discharge port (102). Sliding grooves (402) are opened on both sides of the limiting hole (401). A sliding plate (403) is slidably installed inside the limiting hole (401). A limiting rod (404) is fixedly connected to the inner side of the sliding plate (403). The bottom of the limiting rod (404) is adapted to the surface of the screening hopper (201).

4. The feed screening device according to claim 3, characterized in that: The top and bottom of the slide plate (403) are fixedly connected with connecting belts (5), and the connecting belts (5) are fixedly connected with locking blocks (501). The screening cylinder (1) is provided with locking slots (502) above and below the limiting hole (401).

5. The feed screening device according to claim 1, characterized in that: The screening cylinder (1) is provided with a discharge pipe (104) directly below the screening component (2). The top of the discharge pipe (104) is rotatably connected to the screening hopper (201) below it. The screening cylinder (1) is provided with two sets of symmetrically arranged discharge ports (105) below the screening component (2).

6. The feed screening device according to claim 5, characterized in that: The bottom of the discharge pipe (104) passes through the bottom of the screening cylinder (1) and is fixedly connected. The bottom of the screening cylinder (1) is fixedly connected to multiple sets of support legs (106).

7. The feed screening device according to claim 1, characterized in that: The bottom of the screening cylinder (1) is conical, and a through hole (6) is provided between the two sets of discharge ports (105) of the screening cylinder (1). An L-shaped scraper (601) is slidably installed inside the through hole (6), and the scraper (601) is in contact with the bottom of the screening cylinder (1).

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