Crushing and screening device for feed processing

Abstract

The invention discloses a crushing and screening device for feed processing, and relates to the field of feed processing.The crushing and screening device comprises a cavity, an opening is formed in the bottom of the cavity, a chopping cavity is formed in the cavity, a feeding opening is formed in the top of the chopping cavity, and a material returning opening is formed in the top of the chopping cavity on one side of the feeding opening; a material combining plate is arranged in a cavity below the chopping cavity, a feeding port is formed in one side of the cavity on one side of the material combining plate, a discharging hopper is arranged at the bottom end of the material combining plate, two threaded smashing rollers are installed in the cavity below the discharging hopper, and a first filter screen is installed in the cavity below the two threaded smashing rollers. By arranging a series of structures, the feed processing efficiency is improved, processing of different types of feed is facilitated, the feed is screened into different thickness states to be discharged, the feed processing device is conveniently applied to different livestock raising, the screening speed is increased, the efficiency is improved, the feed which is not crushed into fine particles can be circularly crushed, and the automation degree is high.

Description

Technical Field

[0001] The invention relates to the technical field of feed processing, in particular to a crushing and screening device for feed processing. Background Art

[0002] The feeding standards specify the amount of nutrients that animals require under certain conditions. The feed composition table lists the content of various nutrients in different types of feed raw materials. In order to ensure that the feed consumed by animals contains all the nutrients specified in the feeding standards, the feed raw materials must be selected and matched accordingly, that is, a formulated diet or ration.

[0003] When selecting and matching feed, it is necessary to process and crush the feed, and a crushing device for feed processing is needed. Most of the existing crushing and screening devices for feed processing are composed of a single crushing chamber. During the feed crushing process, larger feeds need to be manually chopped and then crushed, which affects the efficiency. Different livestock need to eat feed particles of different sizes, and the feed needs to be crushed into particles of different sizes for feeding. When crushing the feed, most of the time, manual feed screening is required to separate particles of different sizes for feeding today. The operation steps are complicated and the efficiency is low. Summary of the invention

[0004] The object of the present invention is to provide a crushing and screening device for feed processing to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a crushing and screening device for feed processing, comprising a cavity, the bottom of the cavity is provided with an opening, a chopping cavity is arranged inside the cavity, a loading port is arranged at the top of the chopping cavity, a return port is arranged at the top of the chopping cavity on one side of the loading port, a combining plate is arranged inside the cavity below the chopping cavity, a feeding port is arranged on one side of the cavity on one side of the combining plate, a lower hopper is arranged at the bottom end of the combining plate, two threaded crushing rollers are installed inside the cavity below the lower hopper, a first filter is installed inside the cavity below the two threaded crushing rollers, a second filter is installed inside the cavity below the first filter, the first filter and the second filter are both inclined, and the inclination directions of the first filter and the second filter are opposite, both sides of the first filter and the second filter extend out of the cavity, and the first filter and the second filter are Two cams are provided at the extended ends of the filter screens, and the raised ends and the flat ends of the cams on both sides alternately contact the first filter screen and the second filter screen on both sides, and the two cams form a group, wherein a long axis is commonly connected at the middle position of the two groups of cams, and a short axis is commonly connected at the middle position of the other two groups of cams, and the long axis and the top of the short axis on the same side are commonly connected to a second linkage component, and a third motor is installed at the top of the two long axis, a first coarse material outlet is provided at one end of the cavity of the downward inclined end of the first filter screen, and a second coarse material outlet is provided at one end of the cavity of the downward inclined end of the second filter screen, one end of the first coarse material outlet is connected to a first screw feeder through a pipeline, and one end of the second coarse material outlet is connected to a second screw feeder through a pipeline, a discharge pipe of the first screw feeder extends to the inside of the return port, and a discharge pipe of the second screw feeder extends to the inside of the feed port.

[0006] Preferably, both ends of the cavity are provided with lifting components on their outer surfaces, and the lifting components lift the cavity so that the opening at the bottom of the cavity is away from the ground, so as to facilitate the discharge of fine feed.

[0007] Preferably, the outer surfaces of the first screw loader and the second screw loader are both installed with stabilizing frames, one side of the two stabilizing frames is respectively connected to the two sides of the cavity, and the stabilizing frames fix the first screw loader and the second screw loader to ensure that the first screw loader and the second screw loader can transport the uncrushed feed back to the chopping cavity and the threaded crushing roller position for secondary processing.

[0008] Preferably, two rotating shafts are provided inside the chopping chamber, and the outer surfaces of the two rotating shafts are provided with a plurality of cutters, and the plurality of cutters on the outer surfaces of the two rotating shafts are arranged alternately. When the two rotating shafts rotate, the corresponding cutters are driven to rotate. When rotating, the alternately arranged cutters will chop the feed in the chopping chamber into smaller particles, which is convenient for subsequent crushing processing.

[0009] Preferably, a chopping cavity is extended from the top of the two rotating shafts, and the extended ends of the two rotating shafts are commonly connected to a third linkage assembly. A first motor is provided at the extended end of any one of the rotating shafts, and the third linkage assembly contains two pulleys and a transmission belt. The two pulleys are respectively installed on the outer surfaces of the two rotating shafts. When the first motor is running, it will drive the corresponding rotating shaft to rotate, and the driven rotating shaft will cause the other rotating shaft to rotate synchronously through the linkage assembly.

[0010] Preferably, a central axis is provided at one end of each of the two threaded crushing rollers, and one end of each of the two central axis extends out of one side of the cavity. The extended ends of the two central axis are commonly connected to a first linkage assembly, which includes two pulleys and a transmission belt. The two pulleys are respectively installed on the outer surfaces of the two central axis, so that the two central axis can perform synchronous rotation.

[0011] Preferably, a second motor is provided at the extended end of any one of the central shafts, and an output shaft of the second motor is connected to the corresponding central shaft to drive the central shaft to rotate.

[0012] Preferably, the outer surfaces of the major axis and the minor axis are both installed with support bearings, and the support bearings are fixedly installed on the outer surface of the cavity. The support bearings support the major axis and the minor axis at predetermined positions so that the major axis and the minor axis can rotate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The crushing and screening device for feed processing is provided with a crushing chamber and two crushing rollers located below the crushing chamber. When processing feed, the feed is firstly crushed into smaller particles by the cutter inside the crushing chamber and then crushed by the two crushing rollers, thereby improving the feed processing efficiency and facilitating the processing of different types of feed.

[0015] 2. The crushing and screening device for feed processing is provided with a first filter screen and a second filter screen. The first filter screen and the second filter screen are inclined and inclined in opposite directions. They are used in conjunction with the opening at the bottom of the crushing chamber. The hole size of the first filter screen is three millimeters, and the hole size of the second filter screen is two millimeters. The crushed material is screened. The particle size of the material discharged from the first coarse material outlet is greater than three millimeters, the particle size of the material discharged from the second coarse material outlet is less than three millimeters and greater than two millimeters, and the particle size of the material discharged from the bottom of the cavity is less than two millimeters. The feed is screened into different coarse and fine states for discharge, which is convenient for application in different livestock.

[0016] 3. The crushing and screening device for feed processing drives the first filter screen and the second filter screen to shake during screening by means of cams arranged on both sides of the first filter screen and the second filter screen, thereby accelerating the screening speed and improving the efficiency.

[0017] 4. The crushing and screening device for feed processing is provided with a first screw feeder and a second screw feeder, which are respectively connected to the first coarse material outlet and the second coarse material outlet through pipelines, so that feed that has not been crushed into fine particles can be circulated and crushed, and the automation is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the internal structure of the cavity of the present invention;

[0020] Figure 3 It is a schematic diagram of the first filter structure of the present invention;

[0021] Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 5 It is a schematic diagram of the internal structure of the chopping chamber of the present invention.

[0023] In the figure: 1. cavity; 2. shredding cavity; 3. second spiral feeder; 4. stabilizing frame; 5. lifting assembly; 6. first spiral feeder; 7. return port; 8. feed port; 9. threaded crushing roller; 10. first filter; 11. second coarse material outlet; 12. combining plate; 13. lower hopper; 14. first motor; 15. second motor; 16. first linkage assembly; 17. middle shaft; 18. long shaft; 19. supporting bearing; 20. short shaft; 21. first coarse material outlet; 22. second linkage assembly; 23. cam; 24. rotating shaft; 25. cutter; 26. third linkage assembly; 27. third motor; 28. feed port; 29. ​​second filter. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figures 1 to 5As shown, the crushing and screening device for feed processing in this embodiment includes a cavity 1, the bottom of the cavity 1 is provided with an opening, a chopping cavity 2 is arranged inside the cavity 1, a loading port 28 is arranged at the top of the chopping cavity 2, and a return port 7 is arranged at the top of the chopping cavity 2 on one side of the loading port 28. When the crushing and screening device for feed processing is used, a feed conveying pipe is connected at the position of the loading port 28 to convey the feed processing raw materials that need to be crushed, and the raw materials are cut by the chopping cavity 2 so that the raw materials are chopped into smaller particles. A combining plate 12 is arranged inside the cavity 1 below the chopping cavity 2, and the top of the combining plate 12 is a plate inclined toward the middle position. A feeding port 8 is arranged on one side of the cavity 1 on one side of the combining plate 12, and a lower hopper 13 is arranged at the bottom of the combining plate 12. 12 guides the chopped feed processing raw materials to the middle position to ensure that the materials can enter the lower hopper 13 and be transported to the middle position of the two threaded crushing rollers 9. Two threaded crushing rollers 9 are installed in the cavity 1 below the lower hopper 13. When the two threaded crushing rollers 9 rotate, the materials discharged downward from the lower hopper 13 are crushed and pulverized. A first filter 10 is installed in the cavity 1 below the two threaded crushing rollers 9. A second filter 29 is installed in the cavity 1 below the first filter 10. The hole size of the first filter 10 is three millimeters, and the hole size of the second filter 29 is two millimeters. When the crushed material falls to the top of the first filter 10, the crushed material particles smaller than three millimeters will pass through the first filter 10 and fall into the second filter 29. Among the materials falling on the second filter screen 29, the materials with particles smaller than three millimeters and larger than two millimeters will remain on the second filter screen 29, while the materials smaller than two millimeters will pass through the second filter screen 29 and be discharged from the bottom of the cavity 1. They are fine materials. The first filter screen 10 and the second filter screen 29 are both inclined, and the inclination directions of the first filter screen 10 and the second filter screen 29 are opposite. Both sides of the first filter screen 10 and the second filter screen 29 extend out of the cavity 1. The extended ends of the first filter screen 10 and the second filter screen 29 are both provided with two cams 23. The raised ends and the gentle ends of the cams 23 on both sides contact the first filter screen 10 and the second filter screen 29 alternately. The two cams 23 form a group, and the middle positions of the two groups of cams 23 are commonly connected with the long shaft 18, and the middle positions of the other two groups of cams 23 are The common connector has a short shaft 20, and the long shaft 18 on the same side is connected to the top of the short shaft 20 with a second linkage component 22. The second linkage component 22 contains two pulleys and a transmission belt. The two pulleys are respectively installed on the outer surfaces of the short shaft 20 and the long shaft 18. The tops of the two long shafts 18 are installed with third motors 27. The two third motors 27 are controlled by the same circuit and can be turned on at the same time. When the two third motors 27 are running, they will drive the two long shafts 18 to rotate, and the other two short shafts 20 are driven to rotate synchronously through the second linkage component 22, so that the cam 23 rotates at the same speed. The raised ends of the four cams 23 on one side and the flat ends of the four cams 23 on the other side alternately contact the first filter 10 and the second filter 29.The first filter screen 10 and the second filter screen 29 are driven to shake, so that the material particles roll, the screening speed is accelerated, and the material particles are prevented from being stuck in the holes of the filter screen. A first coarse material outlet 21 is provided at one end of the downwardly inclined end cavity 1 of the first filter screen 10, and a second coarse material outlet 11 is provided at one end of the downwardly inclined end cavity 1 of the second filter screen 29. One end of the first coarse material outlet 21 is connected to the first screw feeder 6 through a pipeline, and one end of the second coarse material outlet 11 is connected to the second screw feeder 3 through a pipeline. The discharge pipe of the first screw feeder 6 extends to the inside of the return port 7, and the discharge pipe of the second screw feeder 3 extends to the inside of the feed port 8. A fixed pipeline is installed between the first coarse material outlet 21 and the first screw feeder 6, and a pipe installed between the second coarse material outlet 11 and the second screw feeder 3. The two pipes are installed by screws and can be disassembled. If you need to crush the feed into different finenesses, remove the two pipes. The particle size of the material discharged from the first coarse material outlet 21 is greater than three millimeters, and the particle size of the material discharged from the second coarse material outlet 11 is less than three millimeters and greater than two millimeters. The particle size of the material discharged from the bottom of the cavity 1 is less than two millimeters. If you only need fine materials with a particle size of less than two millimeters, install the two pipes. The material with a particle size greater than three millimeters will be transported to the shredding cavity 2 for secondary shredding and then secondary shredding. The material with a particle size less than three millimeters and greater than two millimeters will be transported to the top of the combining plate 12 and guided to the two threaded shredding rollers 9 for direct secondary shredding, and then screened. The material that does not meet the particle size standard will be continuously circulated and shredded to ensure the fineness of the material.

[0028] Specifically, lifting components 5 are provided on the outer surfaces of both ends of the cavity 1, so that the opening at the bottom of the cavity 1 is away from the ground, which is convenient for discharging fine feed.

[0029] Furthermore, a stabilizing frame 4 is installed on the outer surface of the first screw feeder 6 and the second screw feeder 3, and one side of the two stabilizing frames 4 is respectively connected to the two sides of the cavity 1. The stabilizing frame 4 fixes the first screw feeder 6 and the second screw feeder 3 to ensure that the first screw feeder 6 and the second screw feeder 3 can transport the uncrushed feed back to the chopping cavity 2 and the threaded crushing roller 9 for secondary processing.

[0030] Furthermore, two rotating shafts 24 are provided inside the chopping chamber 2, and a plurality of cutters 25 are arranged on the outer surfaces of the two rotating shafts 24, and the plurality of cutters 25 on the outer surfaces of the two rotating shafts 24 are arranged alternately. When the two rotating shafts 24 rotate, the corresponding cutters 25 are driven to rotate. When rotating, the alternately arranged cutters 25 will chop the feed in the chopping chamber 2 into smaller particles, which is convenient for subsequent crushing processing.

[0031] Furthermore, a chopping chamber 2 is extended from the top of the two rotating shafts 24, and the extended ends of the two rotating shafts 24 are commonly connected to a third linkage assembly 26. A first motor 14 is provided at the extended end of any one of the rotating shafts 24. The third linkage assembly 26 includes two pulleys and a transmission belt. The two pulleys are respectively installed on the outer surfaces of the two rotating shafts 24. When the first motor 14 is running, it will drive the corresponding rotating shaft 24 to rotate, and the driven rotating shaft 24 will cause the other rotating shaft 24 to rotate synchronously through the third linkage assembly 26.

[0032] Furthermore, a central axis 17 is provided at one end of each of the two threaded crushing rollers 9, and one end of each of the two central axes 17 extends out of one side of the cavity 1. The extended ends of the two central axes 17 are commonly connected to a first linkage assembly 16, which includes two pulleys and a transmission belt. The two pulleys are respectively installed on the outer surfaces of the two central axes 17, so that the two central axes 17 can perform synchronous rotation.

[0033] Furthermore, a second motor 15 is disposed at an extended end of any central shaft 17 , and an output shaft of the second motor 15 is connected to the corresponding central shaft 17 to drive the central shaft 17 to rotate.

[0034] Furthermore, support bearings 19 are installed on the outer surfaces of the long axis 18 and the short axis 20. The support bearings 19 are fixedly installed on the outer surface of the cavity 1. The support bearings 19 support the long axis 18 and the short axis 20 at a predetermined position so that the long axis 18 and the short axis 20 can rotate.

[0035] The method of use of this embodiment is as follows: when using the crushing and screening device for feed processing, a feed conveying pipe is connected at the position of the feed inlet 28 to transport the feed processing raw materials that need to be crushed into the chopping chamber 2 for preliminary chopping. The raw materials are chopped into smaller particles. The preliminary chopped materials are transported to the middle position of the two threaded crushing rollers 9 through the combining plate 12 and the lower hopper 13. The materials are crushed by the two continuously rotating threaded crushing rollers 9, and the crushed logistics flows into the top of the first filter screen 10. The crushed material particles smaller than three millimeters will pass through the first filter screen 10 and fall into the second filter screen 29. Among the materials that fall above the second filter screen 29, the materials with particles smaller than three millimeters and larger than two millimeters will remain above the second filter screen 29, and the materials smaller than two millimeters will pass through the second filter screen 29 and be discharged from the bottom of the cavity 1. They are fine materials. A screw feeder 6 is installed between the first coarse material outlet 21 and the first screw feeder 6. The fixed pipe and the pipe installed between the second coarse material outlet 11 and the second screw feeder 3 are installed by screws and can be disassembled. If the feed needs to be crushed into different finenesses, the two pipes are removed. The particle size of the material discharged from the first coarse material outlet 21 is greater than three millimeters, the particle size of the material discharged from the second coarse material outlet 11 is less than three millimeters and greater than two millimeters, and the particle size of the material discharged from the bottom of the cavity 1 is less than two millimeters. If only fine materials with a particle size of less than two millimeters are needed, the two pipes are installed, and materials with a particle size greater than three millimeters will be transported to the shredding chamber 2 for secondary shredding and then secondary shredding. Materials less than three millimeters and greater than two millimeters are transported to the top of the combining plate 12 and guided to between the two threaded shredding rollers 9 for direct secondary shredding, and then sieving. Materials that do not meet the particle size standards will be continuously circulated and pulverized to ensure the fineness of the materials.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A crushing and screening device for feed processing, comprising a cavity (1), characterized in that: The bottom of the cavity (1) is provided with an opening, a chopping cavity (2) is arranged inside the cavity (1), a loading port (28) is arranged at the top of the chopping cavity (2), a return port (7) is arranged at the top of the chopping cavity (2) on one side of the loading port (28), a combining plate (12) is arranged inside the cavity (1) below the chopping cavity (2), a feeding port (8) is arranged on one side of the cavity (1) on one side of the combining plate (12), a lower hopper (13) is arranged at the bottom end of the combining plate (12), and a feeding port (8) is arranged inside the cavity (1) below the lower hopper (13). Two threaded pulverizing rollers (9) are provided, a first filter screen (10) is provided inside a cavity (1) below the two threaded pulverizing rollers (9), a second filter screen (29) is provided inside the cavity (1) below the first filter screen (10), the first filter screen (10) and the second filter screen (29) are both inclined, and the inclination directions of the first filter screen (10) and the second filter screen (29) are opposite, both sides of the first filter screen (10) and the second filter screen (29) extend out of the cavity (1), and the extension ends of the first filter screen (10) and the second filter screen (29) are both provided with two A cam (23) is provided, wherein the raised ends and the flat ends of the cams (23) on both sides are in contact with both sides of the first filter screen (10) and the second filter screen (29) alternately, and the two cams (23) form a group, wherein the middle positions of the two groups of cams (23) are commonly connected to a long shaft (18), and the middle positions of the other two groups of cams (23) are commonly connected to a short shaft (20), and the tops of the long shaft (18) and the short shaft (20) on the same side are commonly connected to a second linkage component (22), and the tops of the two long shafts (18) are both installed with a third motor (27), and the first filter screen (10) is connected to the second filter screen (29). 0) A first coarse material outlet (21) is provided at one end of the downwardly inclined end cavity (1), and a second coarse material outlet (11) is provided at one end of the downwardly inclined end cavity (1) of the second filter screen (29). One end of the first coarse material outlet (21) is connected to a first screw feeder (6) via a pipeline, and one end of the second coarse material outlet (11) is connected to a second screw feeder (3) via a pipeline. The discharge pipe of the first screw feeder (6) extends to the inside of the return port (7), and the discharge pipe of the second screw feeder (3) extends to the inside of the feed port (8).

2. The crushing and screening device for feed processing according to claim 1, characterized in that: Lifting components (5) are provided on the outer surfaces of both ends of the cavity (1).

3. The crushing and screening device for feed processing according to claim 1, characterized in that: The outer surfaces of the first screw feeder (6) and the second screw feeder (3) are both installed with stabilizing frames (4), and one side of the two stabilizing frames (4) is respectively connected to the two sides of the cavity (1).

4. The crushing and screening device for feed processing according to claim 1, characterized in that: Two rotating shafts (24) are arranged inside the chopping chamber (2), and a plurality of cutters (25) are arranged on the outer surfaces of the two rotating shafts (24), and the plurality of cutters (25) on the outer surfaces of the two rotating shafts (24) are arranged in an alternating pattern.

5. The crushing and screening device for feed processing according to claim 4, characterized in that: A chopping chamber (2) extends from the top of the two rotating shafts (24); the extended ends of the two rotating shafts (24) are commonly connected to a third linkage assembly (26); and the extended end of any one of the rotating shafts (24) is provided with a first motor (14).

6. The crushing and screening device for feed processing according to claim 1, characterized in that: One end of each of the two threaded pulverizing rollers (9) is provided with a central axis (17), one end of each of the two central axes (17) extends out of one side of the cavity (1), and the extended ends of the two central axes (17) are commonly connected to a first linkage assembly (16).

7. The crushing and screening device for feed processing according to claim 6, characterized in that: A second motor (15) is provided at the extended end of any one of the central shafts (17).

8. The crushing and screening device for feed processing according to claim 1, characterized in that: The outer surfaces of the long shaft (18) and the short shaft (20) are both installed with support bearings (19), and the support bearings (19) are fixedly installed on the outer surface of the cavity (1).

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