Multi-stage screening device for feed production

Abstract

The utility model discloses a feed production multi-stage screening device which comprises an inclined mounting frame, the top of the inclined mounting frame is rotationally connected with a multi-stage screening cylinder assembly, the left side and the right side of the top of the inclined mounting frame are fixedly connected with side plates, and the top between the two side plates is fixedly connected with a dust cover. A feeding hopper is fixedly mounted on the front side of the top of the inclined mounting frame, the bottom of the feeding hopper extends to an inner cavity of the multi-stage screening cylinder assembly, a cleaning brush is arranged at the top of the multi-stage screening cylinder assembly, and the cleaning brush slides up and down at the top of the multi-stage screening cylinder assembly. A plurality of partition plate assemblies are fixedly connected to the top of the inclined mounting frame. Feed raw materials are conveyed to the inner cavity of the multi-stage screening cylinder assembly through the feeding hopper, at the moment, the multi-stage screening cylinder assembly can rotate at the top of the inclined mounting frame to screen feed, and therefore fine dust and large-particle impurities are separated, and the screening efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of feed processing, particularly relates to a multi-stage screening device for feed production. BACKGROUND

[0002] Feed is the general term for the food of all animals raised by people, and the general feed mainly refers to the food of animals raised in agriculture or animal husbandry in a relatively narrow sense. The feed includes more than ten varieties of feed raw materials such as soybeans, soybean meal, corn, fish meal, amino acids, bran, whey powder, oil, bone meal, grains, and feed additives.

[0003] The feed raw materials need to be filtered before processing, and these raw materials may contain large grass leaves and small dust, and if these impurities cannot be completely removed, the production quality of pig feed will be reduced, and the traditional feed processing method mostly adopts manual filtering and screening, and when the amount of feed is large, the efficiency of manual filtering and screening is low. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a multi-stage screening device for feed production, which has the advantages of improving feed screening, so as to solve the above-mentioned background technical problems.

[0005] The technical scheme for solving the above-mentioned technical problems is as follows: a multi-stage screening device for feed production, which comprises an inclined mounting frame: a multi-stage screening drum assembly is rotatably connected to the top of the inclined mounting frame, side plates are fixedly connected to the left and right sides of the top of the inclined mounting frame, a dust cover is fixedly connected to the top between the two side plates, a feed inlet hopper is fixedly installed on the front side of the top of the inclined mounting frame, the bottom of the feed inlet hopper extends to the inner cavity of the multi-stage screening drum assembly, a cleaning brush is arranged on the top of the multi-stage screening drum assembly, the cleaning brush slides up and down on the top of the multi-stage screening drum assembly, a plurality of baffle assemblies are fixedly connected to the top of the inclined mounting frame, the multi-stage screening drum assembly rotates in the inner cavity of the baffle assembly, three discharge hoppers are fixedly installed in the inner cavity of the inclined mounting frame, and a blowdown hopper is fixedly installed on the rear side of the inclined mounting frame.

[0006] Preferably, the multi-stage screening drum assembly is composed of a drum frame and three groups of screen meshes, the screen meshes are detachably installed on the surface of the drum frame through screws, and the three groups of screen meshes are fine mesh screen pieces, medium mesh screen pieces, and large mesh screen pieces.

[0007] Preferably, the baffle assembly comprises two baffles fixedly connected to the top of the inclined mounting frame, a plurality of sliding rods are rotatably connected to the left and right sides of the cleaning brush, and the surface of the baffle is provided with a movable groove for the sliding rods to slide.

[0008] Preferably, the top of the dust cover is fixedly provided with a cylinder, and the output end of the cylinder extends into the inner cavity of the dust cover and is fixedly connected to the top of the cleaning brush.

[0009] Preferably, the surface of the front end of the cylinder holder is fixedly provided with an outer gear ring, the top of the inclined mounting frame is rotatably connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with a gear, the gear is engaged with the outer gear ring, the top of the inclined mounting frame is fixedly provided with a motor, and the output end of the motor is drivingly connected with the rotating shaft through a belt pulley.

[0010] Preferably, the surface of the cylinder holder is fixedly connected with a plurality of fixed rings, and the lower end between the two partitions is rotatably connected with a material supporting roller cooperating with the fixed rings.

[0011] The present application has the following beneficial effects:

[0012] 1. The present application can feed the feed raw materials into the inner cavity of the multi-stage screening cylinder assembly through the feeding hopper, and the multi-stage screening cylinder assembly can rotate on the top of the inclined mounting frame to screen the feed, so that the fine dust and large-particle impurities can be separated, and the screening efficiency can be improved.

[0013] 2. The present application can reduce the blocking of the screen and improve the screening efficiency of the multi-stage screening cylinder assembly by setting the cleaning brush to move downward and rotate the multi-stage screening cylinder assembly to clean the screen in the multi-stage screening cylinder assembly.

[0014] 3. The present application can separate the screens with different hole diameters in the multi-stage screening cylinder assembly through the partition assembly, so that the screened materials can not be mixed on the top of the inclined mounting frame, and the screening effect can be improved.

[0015] 4. The present application can improve the stability of the rotation of the multi-stage screening cylinder assembly by setting the material supporting roller, so that the fixed ring can roll on the top of the material supporting roller when the multi-stage screening cylinder assembly rotates on the top of the inclined mounting frame. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or other aspects of the present application will become more apparent and more readily appreciated through consideration of the following detailed description, taken in conjunction with the accompanying drawings, in which:

[0017] Figure 1 is a perspective view of an embodiment of the present application;

[0018] Figure 2 is a partially exploded perspective view of an embodiment of the present application;

[0019] Figure 3 For an embodiment of the utility model Figure 2 Amplification schematic view of A point in the middle;

[0020] Figure 4 For an embodiment of the utility model partition plate assembly three-dimensional split schematic view;

[0021] Figure 5 For an embodiment of the utility model multistage screening cylinder assembly three-dimensional split schematic view.

[0022] In the drawing, the component list represented by each sign is as follows:

[0023] 1, tilt mounting bracket, 2, multistage screening cylinder assembly, 21, cylinder frame, 22, screen, 3, side plate, 4, dust cover, 5, feed hopper, 6, cleaning brush, 7, partition plate assembly, 71, partition plate, 72, material supporting roller, 73, movable groove, 8, blowdown hopper, 9, discharge hopper, 10, air cylinder, 11, external tooth ring, 12, rotating shaft, 13, gear, 14, motor, 15, fixed ring, 16, sliding rod. Specific implementation

[0024] In the following, the embodiment of the feed production multistage screening device of the utility model will be described with reference to the drawings.

[0025] Figures 1-5The utility model discloses a kind of multi-stage screening devices for feed production, it includes inclined mounting frame 1: the top of inclined mounting frame 1 is rotatably connected with multi-stage screening cylinder assembly 2, the top of inclined mounting frame 1 left and right sides is fixedly connected with side plate 3, the top between two side plates 3 is fixedly connected with dust cover 4, the front side of the top of inclined mounting frame 1 is fixedly installed with feed hopper 5, the bottom of feed hopper 5 extends to the inner chamber of multi-stage screening cylinder assembly 2, the top of multi-stage screening cylinder assembly 2 is provided with cleaning brush 6, cleaning brush 6 slides up and down on the top of multi-stage screening cylinder assembly 2, by the setting of cleaning brush 6, when screen 22 in multi-stage screening cylinder assembly 2 appears to be blocked, cleaning brush 6 is lowered and multi-stage screening cylinder assembly 2 is rotated, so that cleaning brush 6 is washed to screen 22 in multi-stage screening cylinder assembly 2, to reduce the blockage of screen 22, improve the screening efficiency of multi-stage screening cylinder assembly 2, the top of inclined mounting frame 1 is fixedly connected with multiple baffle assembly 7, multi-stage screening cylinder assembly 2 rotates in the inner chamber of baffle assembly 7, by the setting of baffle assembly 7, screen with different aperture in multi-stage screening cylinder assembly 2 can be spaced, avoid the mixture of material screened down on the top of inclined mounting frame 1 again, affect screening effect, the inner chamber of inclined mounting frame 1 is fixedly installed with three discharge hoppers 9, the rear side of inclined mounting frame 1 is fixedly installed with blowdown hopper 8, multi-stage screening cylinder assembly 2 is composed of cylinder frame 21 and three groups of screen 22, screen 22 is detachably installed on the surface of cylinder frame 21 by screw, three groups of screen 22 are fine mesh screen sheet, medium mesh screen sheet and large mesh screen sheet respectively, baffle assembly 7 includes two baffle plates 71 fixedly connected on the top of inclined mounting frame 1, the left and right sides of cleaning brush 6 are rotatably connected with multiple sliding rods 16, the surface of baffle plate 71 is provided with movable groove 73 for sliding rod 16 to slide, the top of dust cover 4 is fixedly installed with pneumatic cylinder 10, the output end of pneumatic cylinder 10 extends to the inner chamber of dust cover 4 and is fixedly connected on the top of cleaning brush 6, the surface of the front end of cylinder frame 21 is fixed with outer gear ring 11, the top of inclined mounting frame 1 is rotatably connected with rotating shaft 12, the surface of rotating shaft 12 is fixedly connected with gear 13, gear 13 and outer gear ring 11 are engaged, the top of inclined mounting frame 1 is fixedly installed with motor 14, the output end of motor 14 and rotating shaft 12 are connected by belt pulley transmission, the surface of cylinder frame 21 is fixedly connected with multiple fixed rings 15, the lower end between two baffle plates 71 is rotatably connected with material supporting roller 72 used in cooperation with fixed ring 15, by the setting of material supporting roller 72, when multi-stage screening cylinder assembly 2 rotates on the top of inclined mounting frame 1, fixed ring 15 will roll on the top of material supporting roller 72, at this time, material supporting roller 72 will lift multi-stage screening cylinder assembly 2, to improve the stability of multi-stage screening cylinder assembly 2 rotation.

[0026] Working principle: the utility model for use, the user through the feed hopper 5 will feed raw materials to the inner chamber of multistage screening cylinder subassembly 2, motor 14 drives rotating shaft 12 and gear 13 to rotate on the top of the inclined mounting frame 1, thereby drive outer tooth ring 11 and multistate screening cylinder subassembly 2 rotate to screen feed, at this time, the fine dust in the feed will first pass through the fine hole screen sheet and drop to the inner chamber of front discharge hopper 9 and discharge, the feed passes through the medium hole screen sheet and drops to the inner chamber of middle discharge hopper 9 and discharge, the large particle impurities pass through the large hole screen sheet and drop to the inner chamber of rear discharge hopper 9 and discharge, the super large particle is discharged from the blowdown hopper 8, thereby realizing the separation operation of feed and impurities, improve the screening efficiency, when the screen 22 is blocked and affects the screening efficiency, the cleaning brush 6 is driven down by the cylinder 10 to make the bristles in the cleaning brush 6 contact the surface of the screen 22, at this time, the sliding rod 16 will rotate downward in the inner chamber of the movable slot 73, then rotate the multistage screening cylinder subassembly 2 and drive the cleaning brush 6 to brush the screen 22, reduce the blockage of the screen 22, improve the screening efficiency of the multistage screening cylinder subassembly 2.

[0027] In conclusion: the feed production multistage screening device, through the feed hopper 5 will feed raw materials to the inner chamber of multistage screening cylinder subassembly 2, at this time, the multistage screening cylinder subassembly 2 will rotate on the top of the inclined mounting frame 1 and screen the feed, thereby separating the fine dust and the large particle impurities, improve the screening efficiency.

Claims

1. A multi-stage screening device for feed production, characterized by The device includes an inclined mounting frame (1): the top of the inclined mounting frame (1) is rotatably connected to a multi-stage screening cylinder assembly (2), the left and right sides of the top of the inclined mounting frame (1) are fixedly connected to side plates (3), the top between the two side plates (3) is fixedly connected to a dust cover (4), the front side of the top of the inclined mounting frame (1) is fixedly installed with a feed hopper (5), the bottom of the feed hopper (5) extends into the inner cavity of the multi-stage screening cylinder assembly (2), the top of the multi-stage screening cylinder assembly (2) is provided with a cleaning brush (6), the cleaning brush (6) slides up and down on the top of the multi-stage screening cylinder assembly (2), the top of the inclined mounting frame (1) is fixedly connected to multiple partition assemblies (7), the multi-stage screening cylinder assembly (2) rotates in the inner cavity of the partition assembly (7), the inner cavity of the inclined mounting frame (1) is fixedly installed with three discharge hoppers (9), and the rear side of the inclined mounting frame (1) is fixedly installed with a sewage hopper (8).

2. A multi-stage screening device for feed production according to claim 1, characterized in that, The multi-stage screening cylinder assembly (2) consists of a cylinder frame (21) and three sets of screens (22). The screens (22) are detachably installed on the surface of the cylinder frame (21) by screws. The three sets of screens (22) are fine-hole screens, medium-hole screens and large-hole screens, respectively.

3. A multi-stage screening device for feed production according to claim 2, characterized in that, The partition assembly (7) includes two partitions (71) fixedly connected to the top of the inclined mounting bracket (1). Multiple sliding rods (16) are rotatably connected to both sides of the cleaning brush (6). The surface of the partition (71) is provided with movable grooves (73) for the sliding rods (16) to slide.

4. A multi-stage screening device for feed production according to claim 3, characterized in that, A cylinder (10) is fixedly installed on the top of the dust cover (4), and the output end of the cylinder (10) extends into the inner cavity of the dust cover (4) and is fixedly connected to the top of the cleaning brush (6).

5. A multi-stage feed production screening device according to claim 4, wherein, An external toothed ring (11) is fixed to the front surface of the cylindrical frame (21). A rotating shaft (12) is rotatably connected to the top of the inclined mounting frame (1). A gear (13) is fixedly connected to the surface of the rotating shaft (12). The gear (13) meshes with the external toothed ring (11). A motor (14) is fixedly installed on the top of the inclined mounting frame (1). The output end of the motor (14) and the rotating shaft (12) are connected by a belt pulley.

6. A multi-stage feed production screening device according to claim 5, wherein, The surface of the tube frame (21) is fixedly connected with a plurality of fixing rings (15), and the lower end between the two partitions (71) is rotatably connected with a material support roller (72) that cooperates with the fixing rings (15).

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