Feed screening device for pet food

Abstract

A feed screening device for pet food relates to the technical field of screening devices and comprises a supporting barrel, a base is fixedly connected to a lower end opening of the supporting barrel, three conical screening net barrels are fixedly connected in the supporting barrel side by side from top to bottom, the number of meshes of the conical screening net barrels is gradually increased, and a valve barrel is jointly arranged at the center positions of the three conical screening net barrels in a vertical penetrating mode. The outer wall, facing the same direction, of the valve cylinder is provided with valve ports corresponding to the conical screening net cylinders, the valve ports are communicated with an inner cavity of the valve cylinder, a discharging cylinder is coaxially and rotatably arranged in the valve cylinder, the side wall of the discharging cylinder is provided with discharging ports corresponding to the valve ports, and the three discharging ports are rotationally and symmetrically arranged in the overlook direction. The feed screening device solves the problems that when a feed screening device in the prior art is used for screening feed, due to the fact that a plurality of different screening grades are arranged, a plurality of discharging ports corresponding to the different screening grades need to be formed in the device, and the external structure of the device is tedious.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a feed screening device for pet food. Background Art

[0002] Pet food is food specially provided for pets and small animals. It is a high-end animal food between human food and traditional livestock and poultry feed. Some pet feeds are in the form of particles. During the production process, pet food particles of different sizes will be produced, which need to be screened and sorted.

[0003] The prior art discloses a patent with announcement number CN212310025U, which includes a screening box, a reducer is installed in the middle part of the top of the screening box, a motor is installed at the power input end of the reducer, a rotating rod is installed in the inner cavity of the reducer, the rotating rod is fixedly connected to the driving end of the motor, the bottom of the rotating rod passes through the top center part of the screening box, and is fixedly connected to a rotating plate assembly 1, which is used to classify and unload feed of different sizes, and the screened feed enters the box and falls onto screening plate 2.

[0004] As the existing devices are used, the shortcomings of the technology are gradually exposed, mainly in the following aspects:

[0005] First, when the existing feed screening device screens the feed, since several different screening levels are set, it is necessary to set multiple discharge ports corresponding to different screening levels on the device, which makes the external structure of the equipment complicated and affects the appearance.

[0006] Second, when the feed screening device is screening the feed, the feed is easily accumulated on the filter screen, which affects the feed screening efficiency and makes it impossible to quickly export the feed, affecting the production efficiency.

[0007] As can be seen from the above, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0008] In view of the defects in the prior art, the utility model provides a feed screening device for pet food, which is used to solve the problem that when the feed screening device in the traditional technology screens the feed, since several different screening levels are set, it is necessary to set multiple discharge ports corresponding to different screening levels on the device, resulting in a cumbersome external structure of the equipment.

[0009] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0010] A feed screening device for pet food comprises a supporting cylinder, the lower end of which is fixedly connected to a base, three conical screening mesh cylinders with increasing mesh sizes are fixedly connected in parallel from top to bottom in the supporting cylinder, a valve cylinder is vertically penetrated through the center of the three conical screening mesh cylinders, a valve port connected to the inner cavity of each conical screening mesh cylinder is provided on the outer wall of the valve cylinder facing the same direction, a discharging cylinder is coaxially rotated in the valve cylinder, a discharging port is provided on the side wall of the discharging cylinder corresponding to each valve port, and the three discharging ports are rotationally symmetrically arranged in the top view direction.

[0011] As an optimized solution, a stirring blade which is in frictional contact with the upper surface of each conical screening mesh cylinder is rotatably provided above the cylinder.

[0012] As an optimized solution, the three stirring blades are arranged to rotate synchronously through a linkage structure.

[0013] As an optimized solution, the linkage structure includes a rotating drum rotatably mounted on the outside of the valve drum, and a plurality of avoidance holes are arranged on the rotating drum corresponding to each of the valve ports. Each stirring blade includes a plurality of stirring plates arranged therearound, and one end of the plurality of stirring plates is fixedly connected to the outer wall of the rotating drum between adjacent avoidance holes.

[0014] As an optimized solution, a support ring is fixedly connected to the upper end of the conical screening mesh cylinder, and a plurality of support plates are fixedly arranged on the inner wall of the support cylinder corresponding to each support ring, and the lower edge of the support ring is supported on the support plate.

[0015] As an optimized solution, a top plate is fixedly connected to the upper end of the rotating drum.

[0016] As an optimized solution, a conical flow-dividing protrusion is fixedly connected to the top plate.

[0017] As an optimized solution, the lower end of the rotating drum extends downward through the base, an upper gear ring is fixedly connected to the outer wall of the rotating drum, an upper driving machine is fixedly connected to the outer bottom surface of the base, and the output shaft of the upper driving machine is meshed with the upper gear ring using an upper gear.

[0018] As an optimized solution, the lower end of the valve cylinder extends to the bottom of the rotating cylinder and is fixedly connected to the outer bottom surface of the base through a support frame.

[0019] As an optimized solution, the lower end of the discharge barrel extends to the bottom of the valve barrel, a lower gear ring is fixedly connected to the outer wall of the discharge barrel, a lower driving machine is fixedly connected to the support frame, and the output shaft of the lower driving machine is meshed with the lower gear ring by a lower gear.

[0020] As an optimized solution, the inner bottom surface of the base is tilted toward one side, and a cleaning cylinder connected to its inner cavity is fixedly connected to the outer wall of the supporting cylinder, and the cleaning cylinder is close to the side of the base inner bottom surface with a lower height.

[0021] As an optimized solution, support legs are fixedly connected in parallel to the outer bottom surface of the base.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The upper end opening of the supporting cylinder can be used to directly pour feed, and the upper driving machine drives the drum to rotate, driving the stirring blades to disperse the materials accumulated on the conical screening net cylinder, wherein small and medium particles pass through the uppermost screening net cylinder and fall down, medium particles are blocked on the conical screening net cylinder in the middle, small particles fall on the lowermost conical screening net cylinder, and large particles are blocked on the uppermost conical screening net cylinder, so that three feed particles with different particle sizes can be screened, and the rotating stirring blades can prevent material accumulation and increase the falling and screening speed of the material;

[0024] When the material needs to be discharged, the lower driving machine drives the discharge barrel to rotate, so that the three discharge ports at different heights correspond to the three valve ports at different heights on the discharge barrel in sequence. The feed passes through the avoidance hole, the valve port, and the discharge port into the discharge barrel, and is finally discharged through the lower port of the discharge barrel, so that feeds of different particle sizes can be classified and exported, and a discharge barrel can be shared, which simplifies the discharge method, overcomes the problem of complicated structure caused by excessive external exposure in the traditional technology, and improves the appearance of the equipment;

[0025] The three valve ports are in the same radial direction, and the three discharge ports are rotationally symmetrical along the top view direction, so that only one discharge port will be aligned with the valve port, and the material enters the discharge barrel from the discharge port and the valve port, while the other two discharge ports cannot be discharged due to the closing effect of the inner wall of the valve barrel; under normal circumstances, one of the discharge ports with the correct particle size can be selected to be aligned with the valve port according to the discharge requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0027] Figure 1 It is a structural schematic diagram of the utility model.

[0028] In the figure: 1-support cylinder; 2-base; 3-conical screening mesh cylinder; 4-support ring; 5-support plate; 6-agitation blades; 7-rotating cylinder; 8-avoidance hole; 9-top plate; 10-conical diversion protrusion; 11-valve cylinder; 12-valve port; 13-discharging cylinder; 14-discharging port; 15-upper driving machine; 16-lower driving machine; 17-support frame; 18-cleaning cylinder. DETAILED DESCRIPTION

[0029] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0030] like Figure 1 As shown, a feed screening device for pet food comprises a supporting cylinder 1, a base 2 is fixedly connected to the lower end of the supporting cylinder 1, three conical screening mesh cylinders 3 with increasing mesh sizes are fixedly connected in parallel from top to bottom in the supporting cylinder 1, a valve cylinder 11 is vertically penetrated in the center of the three conical screening mesh cylinders, a valve port 12 connected to the inner cavity of each conical screening mesh cylinder 3 is opened on the outer wall of the valve cylinder 11 facing the same direction, a discharge cylinder 13 is coaxially rotated in the valve cylinder 11, a discharge port 14 is opened on the side wall of the discharge cylinder 13 corresponding to each valve port 12, and the three discharge ports 14 are rotationally symmetrically arranged in the top view direction.

[0031] Each conical screening mesh cylinder 3 is provided with a stirring blade 6 which is rotatably arranged on the top of the cone-shaped screening mesh cylinder 3 and is in frictional contact with the upper surface thereof.

[0032] The three stirring blades 6 are arranged to rotate synchronously through a linkage structure.

[0033] The linkage structure includes a rotating drum 7 rotatably mounted on the outside of the valve drum 11, and a plurality of avoidance holes 8 are arranged on the rotating drum 7 corresponding to each valve port 12. Each stirring blade 6 includes a plurality of stirring plates arranged therearound, and one end of the plurality of stirring plates is fixedly connected to the outer wall of the rotating drum 7 between adjacent avoidance holes 8.

[0034] A support ring 4 is fixedly connected to the upper end of the conical screening mesh cylinder 3 , and a plurality of support plates 5 are fixedly arranged on the inner wall of the support cylinder 1 corresponding to each support ring 4 , and the lower edge of the support ring 4 is supported on the support plate 5 .

[0035] A top plate 9 is fixedly connected to the upper end of the rotating drum 7 .

[0036] A conical flow-dividing protrusion 10 is fixedly connected to the top plate 9 .

[0037] The lower end of the drum 7 extends downward through the base 2. An upper gear ring is fixedly connected to the outer wall of the drum 7. An upper driving machine 15 is fixedly connected to the outer bottom surface of the base 2. The output shaft of the upper driving machine 15 meshes with the upper gear ring through an upper gear.

[0038] The lower end of the valve cylinder 11 extends to the bottom of the rotating cylinder 7 and is fixedly connected to the outer bottom surface of the base 2 through the support frame 17 .

[0039] The lower end of the discharge barrel 13 extends to the bottom of the valve barrel 11 , a lower gear ring is fixedly connected to the outer wall of the discharge barrel 13 , a lower driving machine 16 is fixedly connected to the support frame 17 , and the output shaft of the lower driving machine 16 is meshed with the lower gear ring by a lower gear.

[0040] The inner bottom surface of the base 2 is tilted toward one side, and a cleaning cylinder 18 connected to the inner cavity of the supporting cylinder 1 is fixedly connected to the outer wall of the supporting cylinder 1. The cleaning cylinder 18 is close to the side of the base 2 with a lower inner bottom surface height, and the powder at the bottom is collected by the cleaning cylinder 18.

[0041] The outer bottom surface of the base 2 is fixedly connected with supporting legs in parallel.

[0042] The axial positioning method among the rotating cylinder 7, the valve cylinder 11 and the discharging cylinder 13 is well known to those skilled in the art, so no further details will be given here.

[0043] The number of rotations of the lower driving machine 16 can be controlled by electronic control, thereby realizing precise control of the angle of the discharge barrel 13. Since the electronic control method is not an innovation of this solution, it will not be elaborated here.

[0044] The working principle of this device is:

[0045] The upper end opening of the supporting cylinder 1 can be used to directly pour feed, and the upper driving machine 15 drives the rotating cylinder 7 to rotate, and drives the stirring blades 6 to disperse the materials accumulated on the conical screening mesh cylinder 3, wherein small and medium particles pass through the uppermost screening mesh cylinder and fall down, medium particles are blocked on the conical screening mesh cylinder in the middle, small particles fall on the lowermost conical screening mesh cylinder, and large particles are blocked on the uppermost conical screening mesh cylinder, so that three feed particles with different particle sizes can be screened, and the rotating stirring blades 6 can prevent material accumulation and increase the falling screening speed of the material;

[0046] When the material needs to be discharged, the lower driving machine 16 drives the discharge barrel 13 to rotate, so that the three discharge ports 14 at different heights correspond to the three valve ports 12 at different heights on the discharge barrel 13 in sequence, and the feed passes through the avoidance hole 8, the valve port 12, and the discharge port 14 into the discharge barrel 13, and is finally discharged through the lower port of the discharge barrel 13, so that feeds of different particle sizes can be classified and exported, and a common discharge barrel 13 is achieved, which simplifies the discharge method, overcomes the problem of complicated structure caused by excessive external exposure in the device of the traditional technology, and improves the appearance of the equipment;

[0047] The three valve ports 12 are located in the same radial direction, and the three discharge ports 14 are rotationally symmetrically arranged along the top view direction, so that only one discharge port 14 will be aligned with the valve port 12, and the material enters the discharge barrel 13 from the discharge port 14 and the valve port 12, while the other two discharge ports 14 cannot be discharged due to the closing effect of the inner wall of the valve barrel 11; under normal circumstances, one of the discharge ports 14 with the correct particle size can be selected to be aligned with the valve port 12 according to the discharge requirements.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A feed screening device for pet food, characterized in that: The invention comprises a support cylinder (1), the lower end of which is fixedly connected to a base (2), three conical screening mesh cylinders (3) with increasing mesh sizes are fixedly connected in parallel from top to bottom in the support cylinder (1), a valve cylinder (11) is vertically penetrated in common at the center of the three conical screening mesh cylinders (3), a valve port (12) connected to the inner cavity of the valve cylinder (11) is provided on the same outer wall of the valve cylinder (11) corresponding to each of the conical screening mesh cylinders (3), a discharge cylinder (13) is coaxially rotatable in the valve cylinder (11), a discharge port (14) is provided on the side wall of the discharge cylinder (13) corresponding to each of the valve ports (12), and the three discharge ports (14) are rotationally symmetrically arranged in a top view direction.

2. The pet food screening device according to claim 1, characterized in that: Each of the conical screening mesh cylinders (3) is provided with a stirring blade (6) which is rotatably arranged on the top of the cylinder and in frictional contact with the upper surface thereof.

3. The pet food screening device according to claim 2, characterized in that: The three stirring blades (6) are arranged to rotate synchronously via a linkage structure.

4. The pet food screening device according to claim 3, characterized in that: The linkage structure comprises a rotating drum (7) rotatably mounted on the outside of the valve drum (11), a plurality of avoidance holes (8) being arranged on the rotating drum (7) corresponding to each of the valve ports (12), and each stirring blade (6) comprises a plurality of stirring plates arranged therearound, one end of each of the stirring plates being fixedly connected to the outer wall of the rotating drum (7) between adjacent avoidance holes (8).

5. The pet food screening device according to claim 4, characterized in that: A support ring (4) is fixedly connected to the upper end of the conical screening mesh cylinder (3); a plurality of support plates (5) are fixedly arranged on the inner wall of the support cylinder body (1) corresponding to each support ring (4); and the lower edge of the support ring (4) is supported on the support plate (5).

6. The pet food screening device according to claim 5, characterized in that: A top plate (9) is fixedly connected to the upper end of the rotating drum (7).

7. The pet food screening device according to claim 6, characterized in that: The lower end of the rotating drum (7) passes through the base (2) and extends downward. An upper gear ring is fixedly connected to the outer wall of the rotating drum (7). An upper driving machine (15) is fixedly connected to the outer bottom surface of the base (2). The output shaft of the upper driving machine (15) meshes with the upper gear ring by means of an upper gear.

8. The pet food screening device according to claim 7, characterized in that: The lower end of the valve cylinder (11) extends to below the rotating cylinder (7) and is fixedly connected to the outer bottom surface of the base (2) via a support frame (17).

9. The pet food screening device according to claim 8, characterized in that: The lower end of the discharge barrel (13) extends to below the valve barrel (11), a lower gear ring is fixedly connected to the outer wall of the discharge barrel (13), a lower drive machine (16) is fixedly connected to the support frame (17), and an output shaft of the lower drive machine (16) is meshed with the lower gear ring by means of a lower gear.

10. The pet food screening device according to claim 9, characterized in that: The inner bottom surface of the base (2) is tilted toward one side, and a cleaning cylinder (18) connected to the inner cavity of the supporting cylinder (1) is fixedly connected to the outer wall of the supporting cylinder (1), and the cleaning cylinder (18) is close to the side of the base (2) where the inner bottom surface height is lower.

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