Feed raw material crushing and screening device

Abstract

The utility model discloses a feed raw material crushing and screening device, and belongs to the technical field of feed processing equipment.The crushing and screening device comprises a rack, a box body fixedly installed on the rack, a crushing assembly arranged in the box body and a vibration groove formed in the position, corresponding to the lower portion of a discharging opening of the box body, of the rack; the crushing and screening device further comprises an inclined filter plate and a flat plate, wherein the inclined filter plate is fixedly installed in the vibration groove and is arranged in an inclined mode, and the flat plate is fixedly installed in the vibration groove, fixedly connected with the lower inclined end of the inclined filter plate and used for bearing unscreened materials. According to the feed raw material crushing and screening device, through the design of the material suction assembly, materials which are not screened at the flat plate can be circularly sucked to the box body to be crushed again, it is ensured that the materials can be fully utilized, and material waste caused by incomplete primary crushing is reduced; and the crushing effect and efficiency are further improved, and the utilization rate of raw materials is increased.

Description

Technical Field

[0001] This application relates to the field of feed processing equipment technology, specifically a feed raw material crushing and screening device. Background Technology

[0002] In modern animal husbandry and feed processing, the crushing and screening of feed ingredients are crucial pretreatment steps. The crushing process aims to break large raw materials such as grains, soybean meal, and fishmeal into smaller particles to increase their surface area, facilitating subsequent mixing, granulation, and animal digestion and absorption. Screening, on the other hand, removes excessively large particles or impurities generated during the crushing process, ensuring the uniformity of particle size and the stability of quality in the final product.

[0003] Chinese utility model patent CN215353697U discloses a grinding and screening device for feed processing. It uses a connecting bracket to carry the left and right grinding structures, enabling them to slide in opposite or the same direction. Once the position is defined, the distance between the left and right grinding structures can be quickly changed, allowing the entire device to grind feed raw materials of different sizes. However, after grinding and screening, a certain amount of unscreened material remains. This material is usually discharged directly from the equipment without being recycled and ground again. This unscreened material often requires manual labor to be put back into the equipment for grinding and screening, or it is discarded. This results in the incomplete utilization of ground material, leading to material waste and affecting grinding quality and efficiency.

[0004] Therefore, this application provides a feed ingredient crushing and screening device to solve the above problems. Utility Model Content

[0005] This application provides a feed ingredient crushing and screening device, which aims to solve the problems mentioned in the background art, such as the fact that a certain amount of unscreened material is usually directly discharged from the equipment after crushing and screening, without being directly recycled for further crushing, requiring manual input or being discarded, resulting in material waste and affecting crushing quality and efficiency.

[0006] To achieve the above objectives, this application provides the following technical solution: a feed raw material crushing and screening device, comprising a frame, a box fixedly installed on the frame, a crushing component disposed in the box, and a vibrating groove disposed on the frame at a position below the discharge port corresponding to the box;

[0007] The crushing and screening device also includes an inclined filter plate fixedly installed in the vibrating trough and arranged at an angle, a plate fixedly installed in the vibrating trough and fixedly connected to the lower end of the inclined filter plate for receiving unscreened material, and a suction component disposed on the side of the vibrating trough opposite the plate and away from the inclined filter plate and connected to the feed inlet of the box body for conveying unscreened material into the box body. This design of the crushing component, vibrating trough, and inclined filter plate allows the material to be crushed in the box body and then directly fall from the discharge port of the box body into the vibrating trough below for screening. Smaller particles can fall through the screen holes of the inclined filter plate, while larger unscreened particles slide down the inclined filter plate to the lower end, thus achieving effective screening of the crushed material and ensuring consistent product quality. Simultaneously, the suction component design allows for the cyclical suction of unscreened material from the plate to the box body for further crushing, ensuring full utilization of the material, reducing material waste due to incomplete crushing in a single pass, further improving the crushing effect and efficiency, and increasing the utilization rate of raw materials.

[0008] Preferably, to ensure material screening, a filter screen is fixedly installed at the discharge port of the box, and the aperture of the filter screen is larger than that of the inclined filter plate. Setting a filter screen with a larger aperture at the discharge port can intercept the material inside the box, preventing the material entering the box from falling directly into the vibrating trough. At the same time, it can also perform preliminary screening of the material coming out of the box, intercepting some larger particles of impurities or large pieces of material that have not been fully crushed, reducing the amount of large particles of material entering the vibrating trough and inclined filter plate for screening, and improving the efficiency and effect of subsequent screening.

[0009] Preferably, in order to achieve material crushing, the crushing assembly includes a crushing roller that runs through the housing and is symmetrically rotatably connected to the housing, a connecting gear disposed on the outside of the housing and fixedly connected to one end of each of the two crushing rollers, and a drive motor fixedly installed on the side of the housing away from the connecting gears for driving one of the crushing rollers to rotate. The two connecting gears mesh with each other. Through the drive of the drive motor and the meshing transmission of the two connecting gears, the relative rotation of the two crushing rollers can be achieved, thereby enabling the two crushing rollers to squeeze and crush the feed raw materials.

[0010] Preferably, in order to achieve material screening, vibration springs fixedly connected to the frame are installed around the bottom of the vibration trough, and a vibration motor is fixedly installed on the bottom side of the vibration trough away from the plate. The vibration motor provides vibration power, which, together with the elastic effect of the vibration springs, causes the vibration trough to generate stable and continuous vibration. This vibration can cause the material on the inclined filter plate to move and jump continuously, so that smaller particles can pass through the screen holes more smoothly and improve screening efficiency.

[0011] Preferably, in order to achieve the recycling and reprocessing of unscreened materials, the suction assembly includes a fixed pipe fixedly connected to the vibrating trough and located above the side of the plate away from the inclined filter plate, a flexible hose disposed outside the vibrating trough and fixedly connected to the end of the fixed pipe away from the plate, a fan fixedly installed on the frame and fixedly connected to the end of the flexible hose away from the fixed pipe, and a discharge pipe fixedly connected to the end of the fan away from the flexible hose and fixedly connected to the feed inlet side of the housing. Through the suction force of the fan, the unscreened materials on the plate can be sucked in through the fixed pipe and flexible hose, and then transported back to the feed inlet of the housing through the discharge pipe, ensuring that the materials are fully crushed and screened, improving the utilization rate of raw materials and reducing material waste.

[0012] Preferably, in order to reduce energy consumption, a baffle assembly is provided in the vibrating trough at a position corresponding to the top of the plate, which is connected to the suction assembly and is used to allow unscreened material to accumulate. The design of the baffle assembly can effectively block the unscreened material, allowing it to accumulate to a certain amount above the plate. This avoids the suction assembly from starting to suck up the material when there is little unscreened material, reducing unnecessary running time of the suction assembly and thus reducing energy consumption. At the same time, it can also ensure that there is a sufficient amount of unscreened material for centralized suction and processing, making the production process more stable and orderly.

[0013] Preferably, to facilitate communication with the material suction assembly, the material blocking assembly includes a baffle slidably connected within the vibrating groove at a position above the flat plate for contact with unscreened material, an insert fixedly mounted on the baffle for insertion into the fixed pipe, a sealing cap longitudinally moving on the baffle at the end of the insert away from the fixed pipe, and a transmission assembly mounted on the baffle and the vibrating groove for opening or closing the sealing cap. The combined design of the baffle, insert, sealing cap, and transmission assembly allows the insert to engage with the fixed pipe when the baffle slides to a certain position, enabling communication between the material suction assembly and the unscreened material area, achieving material suction control, and improving the accuracy and efficiency of material suction.

[0014] Preferably, to facilitate the opening or closing of the sealing cap, the transmission assembly includes a transmission gear rotatably connected to the top of the baffle, a lead screw fixedly connected to the side of the baffle corresponding to the sealing cap and fixedly connected to the bottom of the transmission gear, a guide rod fixedly installed on the side of the baffle corresponding to the lead screw, and a rack fixedly connected to the vibration groove at a position above the fixed tube for meshing with the transmission gear. The lead screw is screwed to the top end of the sealing cap away from the insertion tube, and the sealing cap is slidably connected to the guide rod. Through the meshing of the transmission gear and the rack, the movement of the baffle can be converted into the rotation of the transmission gear, and then the rotation can be converted into the longitudinal movement of the sealing cap through the lead screw. This transmission method can realize the opening and closing of the sealing cap. At the same time, the guide rod provides guidance for the sliding of the sealing cap, ensuring that the sealing cap will not deviate or shake during the movement, thus guaranteeing the movement of the sealing cap.

[0015] Preferably, to improve the power of the baffle movement, the transmission assembly further includes a first electromagnet fixedly disposed at one end of the baffle and in the vibration groove and magnetically attracted to each other; a second electromagnet fixedly disposed at the end of the baffle away from the first electromagnet and in the vibration groove and magnetically attracted to each other; a switch one and a switch two fixedly disposed in the vibration groove at positions corresponding to the first and second electromagnets for contacting the baffle to de-energize or energize the first and second electromagnets; and a switch three and a switch four fixedly disposed in the vibration groove at positions corresponding to the first and second switches for contacting the fixed pipe to start and stop the fan. The device includes a reset spring at each end, which is respectively connected to the baffle away from the first and second electromagnets and fixedly connected to the vibrating groove. The first and second electromagnets provide stable and sufficient power for the movement of the baffle, ensuring accurate insertion and removal of the fixed tube. The combined design of switches one, two, three, and four enables the opening and closing of the first and second electromagnets and the fan, avoiding ineffective operation and energy waste of the material suction assembly. At the same time, the reset spring ensures that the baffle is reset in time. After the material suction is completed, the reset spring can push the baffle back to the initial position in time, so that the equipment returns to the ready state and is ready for the next material suction.

[0016] This feed ingredient crushing and screening device, through the design of the suction component, can circulate and suck the unscreened material at the plate to the box for further crushing, ensuring that the material can be fully utilized, reducing material waste caused by incomplete crushing in one step, and further improving the crushing effect and efficiency as well as the utilization rate of raw materials.

[0017] This feed ingredient crushing and screening device, through the design of the baffle component, can effectively block unscreened materials, allowing them to accumulate to a certain amount above the plate. This prevents the suction component from starting to suck up when there is only a small amount of unscreened material, reducing unnecessary running time of the suction component and thus reducing energy consumption. At the same time, it can also ensure that there is a sufficient amount of unscreened material for centralized suction and processing, making the production process more stable and orderly. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a feed ingredient crushing and screening device.

[0019] Figure 2 A cross-sectional view of a feed ingredient crushing and screening device;

[0020] Figure 3 This is a schematic diagram of the material suction component in a feed raw material crushing and screening device.

[0021] Figure 4 This is a schematic diagram of the material blocking component in a feed raw material crushing and screening device.

[0022] In the picture:

[0023] 1. Rack;

[0024] 2. Housing; 21. Inlet; 22. Outlet; 23. Filter screen;

[0025] 3. Crushing assembly; 31. Crushing roller; 32. Connecting gear; 33. Drive motor;

[0026] 4. Vibration groove; 41. Vibration spring; 42. Vibration motor;

[0027] 5. Inclined filter plate;

[0028] 6. Flat panel;

[0029] 7. Suction assembly; 71. Fixed pipe; 72. Flexible hose; 73. Blower; 74. Discharge pipe;

[0030] 8. Material stop assembly; 81. Baffle; 82. Insert tube; 83. Sealing cover; 84. Transmission assembly; 841. Transmission gear; 842. Lead screw; 843. Guide rod; 844. Rack; 845. First electromagnet; 846. Second electromagnet; 847. Switch one; 848. Switch two; 849. Switch three; 8410. Switch four; 8411. Return spring. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] Example 1

[0033] This embodiment provides a feed ingredient crushing and screening device, such as... Figures 1-4 As shown, the crushing and screening device includes a frame 1, a housing 2 fixedly installed on the frame 1, a crushing component 3 disposed in the housing 2, and a vibrating trough 4 disposed on the frame 1 at a position below the discharge port 22 of the housing 2. The crushing and screening device also includes an inclined filter plate 5 fixedly installed in the vibrating trough 4 and inclined, a plate 6 fixedly installed in the vibrating trough 4 and fixedly connected to the lower inclined end of the inclined filter plate 5 for receiving unscreened materials, and a suction component 7 disposed on the side of the plate 6 in the vibrating trough 4 away from the inclined filter plate 5 and connected to the feed port 21 of the housing 2 for conveying unscreened materials into the housing 2.

[0034] To ensure material screening, a filter screen 23 is fixedly installed at the discharge port 22 of the housing 2. The aperture of the filter screen 23 is larger than that of the inclined filter plate 5. The filter screen 23 with a larger aperture at the discharge port 22 can intercept the material in the housing 2, preventing the material entering the housing 2 from falling directly into the vibrating trough 4. At the same time, it can also perform preliminary screening of the material coming out of the housing 2, intercepting some larger impurities or large pieces of material that have not been fully crushed, reducing the amount of large particles of material entering the vibrating trough 4 and the inclined filter plate 5 for screening, and improving the efficiency and effect of subsequent screening.

[0035] In use, the crushing component 3 is activated, and the feed ingredients are poured into the box 2 through the feed inlet 21. The feed ingredients are then squeezed and crushed by the crushing component 3, initially processed into smaller particles. The crushed material then passes through the filter screen 23 at the outlet 22 for preliminary screening. Because the pore size of the filter screen 23 is larger than that of the inclined filter plate 5, larger particles or insufficiently crushed large pieces are intercepted by the filter screen 23 within the box 2 and continue to be crushed along with other feed ingredients. Smaller particles, however, can pass through the filter screen 23 and fall onto the inclined filter plate 5 in the vibrating trough 4. Vibrating in the vibrating trough 4, the material on the inclined filter plate 5 moves and jumps continuously. Smaller particles can fall through the sieve holes of the inclined filter plate 5 and become products that meet the particle size requirements. Larger, unscreened particles slide down the inclined filter plate 5 to the lower end and finally fall onto the plate 6, which is fixedly connected to the lower end of the inclined filter plate 5. The unscreened material on the plate 6 gradually accumulates. When a certain amount is reached, the suction component 7 is activated to suck up the unscreened material on the plate 6 and then transport it back to the feed inlet 21 of the box 2, so that the unscreened material can re-enter the box 2 for crushing and screening, realizing the recycling of materials.

[0036] Specifically, the crushing component 3 includes a crushing roller 31 that passes through the housing 2 and is symmetrically rotatably connected inside the housing 2, a connecting gear 32 that is disposed on the outside of the housing 2 and fixedly connected to one end of each of the two crushing rollers 31, and a drive motor 33 that is fixedly installed on the side of the housing 2 away from the connecting gear 32 for driving one of the crushing rollers 31 to rotate. The two connecting gears 32 mesh with each other.

[0037] After the drive motor 33 is started, it will drive one of the crushing rollers 31 to rotate. Since both crushing rollers 31 are connected to a connecting gear 32 at one end, when one crushing roller 31 rotates under the drive of the drive motor 33, the connecting gear 32 connected to it will also rotate. Since the two connecting gears 32 mesh with each other, the rotating connecting gear 32 will drive the other connecting gear 32 to rotate, which will cause the other crushing roller 31 to start rotating as well. Moreover, because of the meshing relationship of the connecting gears 32, the rotation directions of the two crushing rollers 31 are opposite. Therefore, when the two connecting gears 32 rotate relative to each other, the feed entering the box 2 from the feed inlet 21 of the box 2 will be squeezed and ground by the two crushing rollers 31 when it passes through them. In this process, larger pieces of feed raw materials are gradually crushed into smaller particles, realizing the crushing operation.

[0038] Furthermore, vibration springs 41, which are fixedly connected to the frame 1, are fixedly installed around the bottom of the vibration groove 4, and a vibration motor 42 is fixedly installed on the bottom side of the vibration groove 4 away from the plate 6.

[0039] When the drive motor 33 is started, the vibration motor 42 is started simultaneously. After the material that has fallen from the discharge port 22 of the box 2 and has been preliminarily screened by the filter screen 23 enters the inclined filter plate 5 in the vibration trough 4, the vibration generated by the vibration motor 42 will be transmitted to the vibration spring 41 through the bottom of the vibration trough 4. Since the vibration spring 41 is elastic, it will undergo elastic deformation while receiving vibration. At this time, the elastic restoring force of the vibration spring 41 will interact with the vibration generated by the vibration motor 42, so that the vibration trough 4 will produce stable and continuous vibration. Afterwards, under the continuous vibration of the vibration trough 4, the material on the inclined filter plate 5 will be continuously affected by vibration and move and jump. Since the inclined filter plate 5 is inclined, the smaller particle size material can fall more smoothly through the screen holes of the inclined filter plate 5 under the combined action of vibration and gravity, and become a product that meets the particle size requirements; while the larger particle size unscreened material cannot pass through the screen holes and will slide down the inclined surface of the inclined filter plate 5 to the lower end, and finally fall on the plate 6 fixedly connected to the lower end of the inclined filter plate 5.

[0040] Furthermore, the suction assembly 7 includes a fixed pipe 71 fixedly connected to the vibrating trough 4 and located above the side of the plate 6 away from the inclined filter plate 5, a flexible hose 72 disposed outside the vibrating trough 4 and fixedly connected to the end of the fixed pipe 71 away from the plate 6, a blower 73 fixedly installed on the frame 1 and fixedly connected to the end of the flexible hose 72 away from the fixed pipe 71, and a discharge pipe 74 fixedly connected to the end of the blower 73 away from the flexible hose 72 and fixedly connected to the side of the feed inlet 21 of the housing 2;

[0041] When the unscreened material falling on the plate 6 gradually accumulates to a certain amount, the blower 73 is started. At this time, the impeller inside the blower 73 rotates at high speed, creating a negative pressure area inside the blower 73. Suction is generated on the inlet side, while pressure is generated on the outlet side. Then, the suction generated by the blower 73 is transmitted to the fixed pipe 71 through the hose 72, causing a negative pressure to also be formed at the opening of the fixed pipe 71. Since the fixed pipe 71 is located above the side of the plate 6 away from the inclined filter plate 5, the fixed pipe 71... The inlet of the pipe will exert a suction force on the unscreened material on the plate 6. Under the suction force of the inlet of the fixed pipe 71, the unscreened material accumulated on the plate 6 is sucked into the fixed pipe 71. After entering the fixed pipe 71, the material continues to move along the fixed pipe 71 and the hose 72 towards the blower 73 as the suction force is transmitted. Finally, it is transported back into the box 2 along the discharge pipe 74. The unscreened material that returns to the box 2 re-enters the crushing component 3 in the box 2 for crushing, and then repeats the crushing and screening process.

[0042] Example 2

[0043] Unlike Embodiment 1, in order to reduce energy consumption, a baffle assembly 8 is provided in the vibrating trough 4 above the plate 6, which is connected to the suction assembly 7 and is used to accumulate unscreened material. The design of the baffle assembly 8 can effectively block the unscreened material, allowing it to accumulate to a certain amount above the plate 6. This avoids the suction assembly 7 from starting to suction when there is little unscreened material, reducing unnecessary running time of the suction assembly 7 and thus reducing energy consumption. At the same time, it can also ensure that there is a sufficient amount of unscreened material for centralized suction and processing, making the production process more stable and orderly.

[0044] Furthermore, the baffle assembly 8 includes a baffle 81 slidably connected to the vibrating trough 4 above the plate 6 for contact with unscreened materials, an insert 82 fixedly mounted on the baffle 81 for insertion into the fixed pipe 71, a sealing cap 83 longitudinally moving on the baffle 81 at the end of the insert 82 away from the fixed pipe 71, and a transmission assembly 84 mounted on the baffle 81 and the vibrating trough 4 for opening or closing the sealing cap 83. The transmission assembly 84 includes a transmission gear 841 rotatably connected to the top of the baffle 81, a lead screw 842 fixedly connected to the side of the baffle 81 corresponding to the sealing cap 83 and fixedly connected to the bottom of the transmission gear 841, a guide rod 843 fixedly mounted on the side of the baffle 81 corresponding to the lead screw 842, and a rack 844 fixedly connected to the vibrating trough 4 above the fixed pipe 71 for meshing with the transmission gear 841. The lead screw 842 is screwed to the top of the sealing cap 83 away from the insert 82. The sealing cover 83 is slidably connected to the guide rod 843. The transmission assembly 84 also includes a first electromagnet 845 that is fixedly installed at one end of the baffle 81 and in the vibration groove 4 and magnetically attracted to each other; a second electromagnet 846 that is fixedly installed at one end of the baffle 81 away from the first electromagnet 845 and in the vibration groove 4 and magnetically attracted to each other; a switch 847 and a switch 848 that are fixedly installed in the vibration groove 4 at positions corresponding to the first electromagnet 845 and the second electromagnet 846 for contacting the baffle 81 to de-energize or energize the first electromagnet 845 and the second electromagnet 846; a switch 849 and a switch 8410 that are fixedly installed in the vibration groove 4 at positions corresponding to the first switch 847 and the second switch 848 for contacting the fixed pipe 71 to start and stop the fan 73; and a reset spring 8411 at both ends that are fixedly connected to the baffle 81 at ends away from the first electromagnet 845 and the second electromagnet 846 and in the vibration groove 4.

[0045] The design of the baffle 81 can block unscreened material in the vibrating trough 4. When the unscreened material on the plate 6 in the vibrating trough 4 gradually accumulates to a certain amount, the material will exert a pushing force on the baffle 81, which is slidably connected above the plate 6 in the vibrating trough 4, causing the baffle 81 to slide towards the fixed tube 71. Since the insert tube 82 is fixedly installed on the baffle 81, as the baffle 81 slides, the insert tube 82 will also move towards the fixed tube 71. When the baffle 81 slides to a certain position, the baffle 81 and the first electromagnet 845 on the vibrating trough 4 approach each other. Then, the magnetic attraction between the two first electromagnets 845 provides additional power to the baffle 81, causing the baffle 81 to slide further, and the insert tube 82 moves towards the fixed tube 71. 2. The material is accurately inserted into the fixed tube 71 to connect the suction component 7 with the unscreened material area. During the sliding of the baffle 81, the transmission gear 841 rotatably connected to its top will mesh with the rack 844 fixedly connected to the vibration groove 4 above the fixed tube 71. Since the rack 844 is fixed, the transmission gear 841 will rotate under the action of the rack 844 when the baffle 81 slides. The bottom of the transmission gear 841 is fixedly connected to the lead screw 842, which is screwed to the top of the sealing cover 83 away from the insertion tube 82. The sealing cover 83 is slidably connected to the guide rod 843 fixedly installed on the baffle 81 on the side corresponding to the lead screw 842. Therefore, when the transmission gear 841 rotates... When the screw 842 rotates, it will drive the lead screw 842 to rotate. Since the lead screw 842 is screwed to the sealing cover 83, the rotation of the lead screw 842 will be converted into the longitudinal movement of the sealing cover 83 along the guide rod 843, thereby opening the sealing cover 83 and preparing for material suction. When the two first electromagnets 845 are magnetically attracted together and close to each other, the baffle 81 contacts the first switch 847. At this time, the two first electromagnets 845 are de-energized, the two second electromagnets 846 are energized, and the return spring 8411 is compressed. At the same time, the baffle 81 contacts the third switch 849, triggering the third switch 849 and starting the blower 73. After the blower 73 starts, it generates suction through the fixed pipe 71 and the flexible hose 72, sucking in the unscreened material on the plate 6 and conveying it back to the box through the discharge pipe 74. The material is further crushed inside body 2. As the unscreened material at baffle 81 is gradually absorbed and reduced, baffle 81 will be pushed away from fixed tube 71 by the elastic force of return spring 8411. However, during the movement of baffle 81, transmission gear 841 will rotate in the opposite direction, driving sealing cover 83 to move in the opposite direction along guide rod 843 through screw 842, thus closing sealing cover 83. When baffle 81 moves to contact switch 2 848, the two second electromagnets 846 are de-energized and the two first electromagnets 845 are energized. At the same time, baffle 81 contacts switch 4 8410, triggering switch 4 8410 to shut down fan 73, waiting for the next accumulation and processing of unscreened material.

[0046] It should be added that the crushing and screening device is equipped with a control system, in which the drive motor 33, the fan 73, the vibrating motor 42, switch 1 847, switch 2 848, switch 3 849 and switch 4 8410 are all connected to the output terminal of the control system.

[0047] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.

Claims

1. A feed raw material crushing and screening device, comprising a frame (1), a box (2) fixedly installed on the frame (1), a crushing component (3) disposed in the box (2), and a vibrating groove (4) disposed on the frame (1) at a position below the discharge port (22) of the box (2). Its features are: The crushing and screening device also includes an inclined filter plate (5) fixedly installed in the vibrating trough (4) and inclined, a plate (6) fixedly installed in the vibrating trough (4) and fixedly connected to the lower inclined end of the inclined filter plate (5) for receiving unscreened materials, and a suction component (7) set on the side of the vibrating trough (4) corresponding to the plate (6) away from the inclined filter plate (5) and connected to the feed inlet (21) of the box (2) for conveying unscreened materials into the box (2).

2. The feed ingredient crushing and screening device according to claim 1, characterized in that: A filter screen (23) is fixedly installed at the outlet (22) of the box (2), and the pore size of the filter screen (23) is larger than the pore size of the inclined filter plate (5).

3. The feed ingredient crushing and screening device according to claim 1, characterized in that: The crushing assembly (3) includes a crushing roller (31) that runs through the housing (2) and is symmetrically rotatably connected inside the housing (2), a connecting gear (32) disposed on the outside of the housing (2) and fixedly connected to one end of each of the two crushing rollers (31), and a drive motor (33) fixedly installed on the side of the housing (2) away from the connecting gear (32) for driving one of the crushing rollers (31) to rotate, and the two connecting gears (32) mesh with each other.

4. The feed ingredient crushing and screening device according to claim 1, characterized in that: Vibration springs (41) are fixedly installed around the bottom of the vibration groove (4) and are fixedly connected to the frame (1). A vibration motor (42) is fixedly installed on the bottom side of the vibration groove (4) away from the plate (6).

5. The feed ingredient crushing and screening device according to claim 1, characterized in that: The suction assembly (7) includes a fixed pipe (71) fixedly connected to the vibrating groove (4) and located above the side of the plate (6) away from the inclined filter plate (5); a hose (72) fixedly connected to the outside of the vibrating groove (4) and to the fixed pipe (71) away from the plate (6); a fan (73) fixedly installed on the frame (1) and to the hose (72) away from the fixed pipe (71); and a discharge pipe (74) fixedly connected to the fan (73) away from the hose (72) and to the feed inlet (21) side of the box (2).

6. The feed ingredient crushing and screening device according to claim 5, characterized in that: Inside the vibrating groove (4), at a position above the plate (6), there is a baffle assembly (8) that communicates with the suction assembly (7) and is used to allow unscreened materials to accumulate.

7. The feed ingredient crushing and screening device according to claim 6, characterized in that: The baffle assembly (8) includes a baffle (81) slidably connected in the vibrating groove (4) at a position above the plate (6) for contacting unscreened materials, an insert (82) fixedly mounted on the baffle (81) for insertion into the fixed tube (71), a sealing cap (83) longitudinally moving on the baffle (81) at the end of the insert (82) away from the fixed tube (71), and a transmission assembly (84) mounted on the baffle (81) and the vibrating groove (4) for opening or closing the sealing cap (83).

8. The feed ingredient crushing and screening device according to claim 7, characterized in that: The transmission assembly (84) includes a transmission gear (841) rotatably connected to the top of the baffle (81), a lead screw (842) fixedly connected to the side of the baffle (81) corresponding to the sealing cover (83) and fixedly connected to the bottom of the transmission gear (841), a guide rod (843) fixedly installed on the side of the baffle (81) corresponding to the lead screw (842), and a rack (844) fixedly connected to the vibration groove (4) at a position above the fixed tube (71) for meshing with the transmission gear (841). The lead screw (842) is screwed to the top end of the sealing cover (83) on the side away from the insertion tube (82), and the sealing cover (83) is slidably connected to the guide rod (843).

9. The feed ingredient crushing and screening device according to claim 8, characterized in that: The transmission assembly (84) further includes a first electromagnet (845) fixedly disposed at one end of the baffle (81) and in the vibration groove (4) and magnetically attracted to each other; a second electromagnet (846) fixedly disposed at the end of the baffle (81) away from the first electromagnet (845) and in the vibration groove (4) and magnetically attracted to each other; and a second electromagnet (846) fixedly disposed in the vibration groove (4) at a position corresponding to the first electromagnet (845) and the second electromagnet (846) for the baffle (81) to contact the first electromagnet (845). Switches 1 (847) and 2 (848) for de-energizing or energizing the second electromagnet (846), switches 3 (849) and 4 (8410) respectively fixedly installed in the vibration groove (4) on the side corresponding to switches 1 (847) and 2 (848) for contacting the fixed tube (71) to start and stop the fan (73), and a reset spring (8411) whose two ends are respectively away from the baffle (81) from the first electromagnet (845) and the second electromagnet (846) and fixedly connected in the vibration groove (4).

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