Livestock breeding feed preparation and processing equipment and processing method

Abstract

The application discloses a livestock breeding feed preparation and processing equipment and a processing method, which comprises a rotatable conical body. The conical body has two working states of rotation and stop rotation. The upper end of the conical body is a pointed end, and the lower end is a circular bottom surface. In the application, the forage is put into the first cylinder, distributed around the conical body, and specifically located in the area between two adjacent baffles. The forage is inclined and attached to the outer wall of the conical body. When the conical body and the baffle rotate synchronously, according to the centrifugal effect, the forage will be attached to the inner wall of the first cylinder, and the impurities in the forage will be thrown out of the first cylinder through the sieve hole, so that the gravel and wood chips contained in the forage are removed. When the conical body stops rotating, the forage loses the centrifugal effect and is attached to the outer wall of the conical body again. Through repeated attachment, the forage located between the first cylinder and the conical body can swing back and forth between the inner wall of the first cylinder and the outer wall of the conical body, so that the gravel and wood chips originally contained in the forage are continuously thrown out and separated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of livestock feed preparation, and particularly relates to a livestock breeding feed preparation processing device and a processing method. BACKGROUND

[0002] Preparation of livestock feed is an operation of pulverizing forage received from a farm, reducing the particle size of the feed, and increasing the specific surface area, so as to enhance the digestive capacity of animals, improve the feed utilization rate, and also improve the processing quality and working efficiency of subsequent process steps such as batching, mixing, and granulation, but the received forage usually contains some impurities such as gravel and wood chips, and these impurities need to be removed before the forage is pulverized and processed, so as to ensure good forage quality and protect the machine in subsequent processing steps. SUMMARY

[0003] The present application aims to provide a livestock breeding feed preparation processing device and a processing method, which removes impurities before forage is pulverized, so as to ensure good forage quality and protect the machine in subsequent processing steps.

[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0005] A livestock breeding feed preparation processing device comprises a rotatable conical body, the conical body has two working states of rotation and stop rotation, the upper end of the conical body is a pointed end, and the lower end is a circular bottom surface, a bottom disc is arranged on the bottom surface of the conical body, the diameter of the bottom disc is greater than that of the bottom surface of the conical body, a hollow first cylinder is fixedly connected to the outer edge of the bottom disc, the first cylinder has a sieve hole, a plurality of baffles are fixedly connected to the outer wall of the conical body, and the plurality of baffles are circumferentially arranged inside the cylinder and in contact with the inner wall of the first cylinder.

[0006] Preferably, a disc is fixedly connected to the inner wall of the first cylinder, the disc is located below the bottom disc, a rotating motor is installed on the disc, the output shaft of the rotating motor penetrates the bottom disc above the disc and is fixedly connected to the center of the conical body, and the rotation and stop rotation of the conical body can be controlled.

[0007] Preferably, the first cylinder is divided into an upper part and a lower part, the upper part and the lower part are fixedly connected through a plurality of circumferentially arranged connecting blocks, a screen is arranged between adjacent two connecting blocks, the screen has an arc and is the same as the arc of the first cylinder, and the sieve hole is formed on the screen.

[0008] Preferably, a detachable second cylinder is arranged in the first cylinder, the outer diameter of the second cylinder is smaller than the inner diameter of the first cylinder, the central axis of the second cylinder corresponds to the pointed end of the conical body, the outer wall of the second cylinder further slidably sleeves a circular cover, the circular cover can be covered on the first cylinder, the second cylinder is provided with a sliding groove, the height of the sliding groove is smaller than the height of the second cylinder, the inner ring of the circular cover is fixedly connected with a sliding block, and the sliding block is slidably connected with the sliding groove.

[0009] Preferably, the rotating plate is rotatably connected between two adjacent baffles, the rotating plate is made of magnetic material, a magnetic block is arranged in the connecting block, the magnetic block is opposite to the magnetic pole of the rotating plate, and the two repel each other when close to each other, and the rotating plate naturally falls between the two adjacent baffles.

[0010] Preferably, the base is rotatably connected with a plurality of first rotating shafts, the outer wall of the first rotating shaft is fixedly sleeved with a first limiting ring, the base is provided with a first limiting groove matched with the first limiting ring, the plurality of first rotating shafts are circumferentially arranged on the base, the outer wall of the first rotating shaft is fixedly sleeved with a driven gear, the output shaft of the rotating motor is fixedly sleeved with a driving gear, each driven gear is rotatably connected with the driving gear, the top surface of the first rotating shaft is flush with the top surface of the base, a protrusion is arranged on the top surface of the first rotating shaft, and the protrusion is made of rubber material.

[0011] Preferably, a through hole is arranged in the center of the first rotating shaft, a second rotating shaft is rotatably connected in the through hole, the outer wall of the second rotating shaft is fixedly sleeved with a second limiting ring, the first rotating shaft is provided with a second limiting groove matched with the second limiting ring, the first rotating shaft is fixedly sleeved with a first gear, the output shaft of the rotating motor is fixedly sleeved with a second gear, a plurality of third gears are rotatably connected on the disc, the first gear and the second gear are rotatably connected with the third gears respectively, the top surface of the second rotating shaft is flush with the top surface of the first rotating shaft, a protrusion is arranged on the top surface of the second rotating shaft, and the protrusion is made of rubber material.

[0012] The connecting block is provided with two rectangular grooves, the first magnetic block is fixedly connected in the rectangular groove, the first magnetic block is magnetically connected with the second magnetic block, the second magnetic block is fixedly connected with a long block, the long block has the same height as the connecting block, and the long block is fixedly connected with one side of the screen.

[0013] A processing method of a livestock breeding feed preparation and processing equipment, comprising the following steps:

[0014] The circular cover is covered on the first cylinder, the bottom end of the second cylinder is in contact with the outer wall of the conical body, the baled forage is vertically placed in the second cylinder, and the tip of the conical body and the inclined outer wall thereof make the forage uniformly distributed in the interior of the second cylinder.

[0015] The second cylinder is lifted, the uniformly distributed forage naturally falls and uniformly enters the area between each two adjacent baffles, and the forage distributed between each two baffles has a considerable amount;

[0016] The rotating motor is started, so that the conical body and the baffles rotate, under the centrifugal action, the forage between the baffles adheres to the inner wall of the first cylinder, and the impurities in the forage are thrown out of the first cylinder through the screen holes, so that the gravel and wood chips contained in the forage are removed;

[0017] The baffle rotates correspondingly, the rotating plate flips to the direction of the conical body when approaching the magnetic block, the rotating plate between the two adjacent baffles flips to the direction of the conical body, and the forage between the two adjacent baffles is pushed away from the inner wall of the first cylinder, so that the forage swings back and forth between the two adjacent baffles quickly.

[0018] The rotating motor drives the driving gear and the second gear to rotate, and through meshing transmission, the first rotating shaft and the second rotating shaft rotate synchronously and oppositely, so that the forage is formed into two oppositely rotating parts, namely an outer ring and an inner ring of the forage, and the outer ring and the inner ring rotate and change positions with each other.

[0019] After the gravel and sawdust in the forage are completely thrown out, the rotating motor stops working, the second magnetic block is pulled out through the pulling force, the second magnetic block is separated from the first magnetic block, the screen mesh is separated from the connecting block, and then the forage is conveniently taken out.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] 1. In the present application, the forage is put into the first cylinder, is distributed around the conical body, and is specifically located in the area between the two adjacent baffles, the forage is inclined and attached to the outer wall of the conical body, when the conical body and the baffle rotate synchronously, according to the centrifugal effect, the forage will be attached to the inner wall of the first cylinder, and the impurities in the forage will be thrown out of the first cylinder through the screen hole, so that the gravel and sawdust contained in the forage are removed, when the conical body stops rotating, the forage loses the centrifugal effect and is attached to the outer wall of the conical body again, and thus the forage located between the first cylinder and the conical body swings back and forth between the inner wall of the first cylinder and the outer wall of the conical body repeatedly, so that the gravel and sawdust originally contained in the forage are continuously thrown out and separated.

[0022] 2. In the present application, the forage is attached to the inner wall of the first cylinder with the rotation of the baffle, and when the rotating plate approaches the magnetic block, according to the principle of repulsion between opposite magnetic poles, the rotating plate between the two adjacent baffles flips to the direction of the conical body, and the forage between the two adjacent baffles is pushed away from the inner wall of the first cylinder, so that the forage swings back and forth between the two adjacent baffles quickly under the premise that the conical body does not stop rotating, which helps to throw out the gravel and sawdust contained in the forage.

[0023] 3. In the present application, the rotating motor drives the driving gear to rotate, through the meshing transmission with the driven gear, each first rotating shaft starts to rotate correspondingly, acts on the bottom of the forage between the two adjacent baffles, and makes the forage rotate correspondingly, changes the position of the forage, and makes the place where the forage contacts the screen mesh change constantly, which helps to throw out the gravel and sawdust contained in the forage.

[0024] 4、The application sets the second rotating shaft in the first rotating shaft, and the second rotating shaft rotates synchronously with the first rotating shaft and reversely, so that the forage is divided into two parts which rotate reversely, the outer circle and the inner circle, and the outer circle and the inner circle change positions by rotating, which helps to throw out the gravel and wood chips in the forage. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0026] Figure 2 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0027] Figure 3 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0028] Figure 4 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0029] Figure 5 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0030] Figure 6 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0031] Figure 7 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0032] Figure 8 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0033] Figure 9 The application provides a structure schematic diagram of a livestock breeding feed preparation and processing equipment;

[0034] In the figure: 1, cone; 2, base plate; 3, first cylinder; 4, baffle; 5, disc; 6, rotating motor; 7, connecting block; 8, screen; 9, second cylinder; 10, round cover; 11, chute; 12, sliding block; 13, rotating plate; 14, magnetic block; 15, first rotating shaft; 16, first limiting ring; 17, first limiting groove; 18, driven gear; 19, driving gear; 20, protrusion; 21, perforation; 22, second rotating shaft; 23, second limiting ring; 24, second limiting groove; 25, first gear; 26, second gear; 27, third gear; 28, rectangular groove; 29, first magnetic block; 30, second magnetic block; 31, long block. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0036] Reference is made to the accompanying drawings Figure 1 - the accompanying drawings Figure 9 The present application discloses a livestock breeding feed preparation and processing equipment, which comprises a rotatable cone 1. The cone 1 has two working states of rotation and stop rotation. The upper end of the cone 1 is a pointed end, and the lower end is a circular bottom surface. A base plate 2 is arranged on the bottom surface of the cone 1. The diameter of the base plate 2 is larger than that of the bottom surface of the cone 1. A hollow first cylinder 3 is fixedly connected to the outer edge of the base plate 2. The first cylinder 3 has sieve holes. A plurality of baffles 4 are fixedly connected to the outer wall of the cone 1. The plurality of baffles 4 are circumferentially arranged in the interior of the cylinder and are in contact with the inner wall of the first cylinder 3.

[0037] In use, the forage is put into the first cylinder 3 and is distributed around the cone 1 and specifically in the region between two adjacent baffles 4. The forage is inclined and attached to the outer wall of the cone 1. When the cone 1 and the baffles 4 rotate synchronously, the forage is attached to the inner wall of the first cylinder 3 according to the centrifugal effect, and the impurities in the forage are thrown out of the first cylinder 3 to realize the removal of the stones and wood chips contained in the forage. When the cone 1 stops rotating, the forage is again attached to the outer wall of the cone 1 due to the loss of the centrifugal effect. Through repeated operations, the forage between the first cylinder 3 and the cone 1 is continuously swung and attached between the inner wall of the first cylinder 3 and the outer wall of the cone 1, so that the stones and wood chips originally contained in the forage are continuously thrown out and separated.

[0038] A disc 5 is fixedly connected to the inner wall of the first cylinder 3. The disc 5 is located below the base plate 2. A rotating motor 6 is installed on the disc 5. The output shaft of the rotating motor 6 penetrates the base plate 2 above the disc 5 and is fixedly connected to the center of the cone 1 to control the rotation and stop rotation of the cone 1.

[0039] The first cylinder 3 is divided into an upper part and a lower part, and the upper part is fixedly connected with the lower part through a plurality of circumferentially arranged connecting blocks 7. A screen 8 is arranged between adjacent two connecting blocks 7. The screen 8 has an arc and is the same as the arc of the first cylinder 3. Screen holes are formed on the screen 8;

[0040] The connecting block 7 is provided with two rectangular grooves 28. A first magnetic block 29 is fixedly connected in the rectangular groove 28. The first magnetic block 29 is magnetically connected with a second magnetic block 30. The second magnetic block 30 is fixedly connected with a long block 31. The long block 31 has the same height as the connecting block 7. The long block 31 is fixedly connected with one side of the screen 8;

[0041] A second cylinder 9 is arranged in the first cylinder 3. The outer diameter of the second cylinder 9 is smaller than the inner diameter of the first cylinder 3. The central axis of the second cylinder 9 corresponds to the tip point of the conical body 1. The outer wall of the second cylinder 9 further slidably sleeves a circular cover 10. The circular cover 10 can be covered on the first cylinder 3. The second cylinder 9 is provided with a sliding groove 11. The height of the sliding groove 11 is smaller than the height of the second cylinder 9. The inner circle of the circular cover 10 is fixedly connected with a sliding block 12. The sliding block 12 is slidably connected with the sliding groove 11;

[0042] In use, the circular cover 10 is covered on the first cylinder 3, and the bottom end of the second cylinder 9 is in contact with the outer wall of the conical body 1. The baled forage is vertically placed in the second cylinder 9. The tip point of the conical body 1 and the inclined outer wall thereof make the forage uniformly distributed in the interior of the second cylinder 9 along the inclined outer wall. With the upward movement of the second cylinder 9, the uniformly distributed forage naturally falls and uniformly enters the area between each two adjacent baffles 4, so as to ensure that the forage distributed in each two baffles 4 is equivalent;

[0043] The rotation and stop of the conical body 1 driven by the rotating motor 6 makes the forage between the adjacent two baffles 4 swing back and forth, so that the forage is continuously shaken, and the gravel and wood chips in the forage are shaken out. However, the rotation and stop period of the conical body 1 is relatively long, so that the frequency of the forage swinging back and forth is relatively low. Therefore, the following scheme is provided:

[0044] A rotating plate 13 is rotatably connected between the adjacent two baffles 4. The rotating plate 13 is made of a magnetic material. A magnetic block 14 is arranged in the connecting block 7. The magnetic poles of the magnetic block 14 and the rotating plate 13 are opposite. When the two are close to each other, they repel each other. The rotating plate 13 naturally falls between the adjacent two baffles 4;

[0045] In use, as the baffles 4 rotate correspondingly, the forage is attached to the inner wall of the first cylinder 3, and when the rotating plate 13 approaches the magnetic block 14, the rotating plate 13 between the two adjacent baffles 4 is flipped in the direction of the tapered body 1 according to the principle of repulsion between opposite magnetic poles, and the forage between the two adjacent baffles 4 is pushed away from the inner wall of the first cylinder 3, and under the premise that the tapered body 1 does not stop rotating, the forage is quickly shaken back and forth between the two adjacent baffles 4.

[0046] The base plate 2 is rotationally connected with a plurality of first rotating shafts 15, the outer wall of the first rotating shaft 15 is fixedly sleeved with a first limiting ring 16, the base plate 2 is provided with a first limiting groove 17 matched with the first limiting ring 16, the plurality of first rotating shafts 15 are circumferentially arranged on the base plate 2, the outer wall of the first rotating shaft 15 is fixedly sleeved with a driven gear 18, the output shaft of the rotating motor 6 is fixedly sleeved with a driving gear 19, each driven gear 18 is meshingly connected with the driving gear 19, the top surface of the first rotating shaft 15 is flush with the top surface of the base plate 2, and a protrusion 20 is arranged on the top surface of the first rotating shaft 15; the protrusion 20 is made of rubber material.

[0047] In use, the rotating motor 6 drives the driving gear 19 to rotate, and through the meshing transmission with the driven gears 18, each first rotating shaft 15 starts to rotate correspondingly, acts on the bottom of the forage between the two adjacent baffles 4, and makes the forage rotate correspondingly, changes the position of the forage, and makes the place where the forage contacts the screen 8 change constantly, which helps to fully shake out the gravel and wood chips contained in the forage.

[0048] A through hole 21 is formed in the center of the first rotating shaft 15, a second rotating shaft 22 is rotationally connected in the through hole 21, the outer wall of the second rotating shaft 22 is fixedly sleeved with a second limiting ring 23, the first rotating shaft 15 is provided with a second limiting groove 24 matched with the second limiting ring 23, the first rotating shaft 15 is fixedly sleeved with a first gear 25, the output shaft of the rotating motor 6 is fixedly sleeved with a second gear 26, a plurality of third gears 27 are rotationally connected on the disc 5, the first gear 25 and the second gear 26 are meshingly connected with the third gears 27 respectively, the top surface of the second rotating shaft 22 is flush with the top surface of the first rotating shaft 15, and a protrusion 20 is arranged on the top surface of the second rotating shaft 22; the protrusion 20 is made of rubber material.

[0049] The second rotating shaft 22 is arranged in the rotating first rotating shaft 15 and rotates in the opposite direction, which makes the forage form two opposite rotating parts, i.e. the outer circle and the inner circle of the forage, and the outer circle and the inner circle rotate and change positions with each other, which helps to fully shake out the gravel and wood chips contained in the forage.

[0050] Working principle:

[0051] The circular cover 10 is covered on the first cylinder 3, the bottom end of the second cylinder 9 is in contact with the outer wall of the cone body 1, the baled forage is vertically placed in the second cylinder 9, and the pointed end of the cone body 1 and the inclined outer wall thereof make the forage uniformly distributed along the inclined outer wall in the interior of the second cylinder 9;

[0052] The second cylinder 9 is lifted, the uniformly distributed forage naturally falls and uniformly enters the area between each two adjacent baffles 4, and the forage distributed in the area between each two baffles 4 is equivalent in amount;

[0053] The rotating motor 6 is started, so that the cone body 1 and the baffles 4 rotate, the forage between the baffles 4 adheres to the inner wall of the first cylinder 3 under the centrifugal action, and the impurities in the forage are thrown out of the first cylinder 3 through the screen holes, so that the gravel and wood chips contained in the forage are removed;

[0054] The baffles 4 rotate correspondingly, the rotating plate 13 is close to the magnetic block 14, so that the rotating plate 13 between the adjacent two baffles 4 is flipped in the direction of the cone body 1, and the forage between the adjacent two baffles 4 is pushed away from the inner wall of the first cylinder 3, so that the forage rapidly swings and shakes back and forth between the adjacent two baffles 4;

[0055] The rotating motor 6 drives the driving gear 19 and the second gear 26 to rotate, and through meshing transmission, the first rotating shaft 15 and the second rotating shaft 22 rotate synchronously and oppositely, so that two oppositely rotating parts are formed in the forage, which are the outer circle and the inner circle of the forage, and the outer circle and the inner circle change positions with each other;

[0056] After the gravel and wood chips in the forage are completely thrown out, the work of the rotating motor 6 is stopped, the second magnetic block 30 is pulled out through the pulling force, so that the second magnetic block 30 is separated from the first magnetic block 29, and then the screen 8 is separated from the connecting block 7, so that the forage is conveniently taken out.

[0057] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Livestock breeding feed preparation and processing equipment characterized by, The utility model discloses a cone (1) can rotate, the cone (1) has two working conditions of rotation and stop, the upper end of cone (1) is the tip, the lower end is the bottom surface of circular, the bottom surface of cone (1) is provided with the bottom disc (2), the diameter of bottom disc (2) is greater than the bottom surface of cone (1), hollow structure's first cylinder (3) is fixedly connected on the outer edge of bottom disc (2), and the first cylinder (3) has sieve hole, and the outer wall of cone (1) is fixedly connected with a plurality of baffle (4), and a plurality of baffle (4) are arranged in the circumference in the cylinder and contact with the inner wall of first cylinder (3); Disc (5) is fixedly connected on the inner wall of first cylinder (3), and disc (5) is located below bottom disc (2), and rotating motor (6) is installed on disc (5), and the output shaft of rotating motor (6) penetrates the bottom disc (2) above and is fixedly connected with the center of cone (1), and the rotation and stop of cone (1) can be controlled; The first cylinder (3) is divided into upper part and lower part, and the upper part is fixedly connected with the lower part through a plurality of circumferentially arranged connecting blocks (7), and sieve net (8) is arranged between adjacent two connecting blocks (7), and the sieve net (8) has the same curvature as the curvature of first cylinder (3), and the sieve hole is formed on the sieve net (8); The detachable second cylinder (9) is arranged in the first cylinder (3), the outer diameter of second cylinder (9) is less than the inner diameter of first cylinder (3), the central axis of second cylinder (9) corresponds to the tip of cone (1), the outer wall of second cylinder (9) is also slidably sleeved with circular cover (10), the circular cover (10) can be covered on the first cylinder (3), the second cylinder (9) is provided with sliding slot (11), the height of sliding slot (11) is less than the height of second cylinder (9), the inner ring of circular cover (10) is fixedly connected with sliding block (12), and the sliding block (12) is slidably connected with sliding slot (11); Rotating plate (13) is rotatably connected between adjacent two baffles (4), the rotating plate (13) is made of magnetic material, and magnetic block (14) is arranged in connecting block (7), the magnetic block (14) is opposite to the magnetic pole of rotating plate (13), and when the two are close, they repel each other, and the rotating plate (13) naturally falls between adjacent two baffles (4).

2. The livestock breeding feed preparation and processing apparatus according to claim 1, characterized in that, The bottom disc (2) is rotationally connected with a plurality of first rotating shafts (15), the outer wall of the first rotating shaft (15) is fixedly sleeved with a first limiting ring (16), the bottom disc (2) is provided with a first limiting groove (17) matched with the first limiting ring (16), and the plurality of first rotating shafts (15) are circumferentially arranged on the bottom disc (2). The outer wall of the first rotating shaft (15) is fixedly sleeved with a driven gear (18), the output shaft of the rotating motor (6) is fixedly sleeved with a driving gear (19), each driven gear (18) is in meshing connection with the driving gear (19), the top surface of the first rotating shaft (15) is flush with the top surface of the bottom disc (2), and a protrusion (20) is arranged on the top surface of the first rotating shaft (15). The protrusion (20) is made of rubber material.

3. The livestock breeding feed preparation and processing apparatus according to claim 2, characterized in that, A through hole (21) is formed in the center of the first rotating shaft (15), a second rotating shaft (22) is rotationally connected in the through hole (21), the outer wall of the second rotating shaft (22) is fixedly sleeved with a second limiting ring (23), the first rotating shaft (15) is provided with a second limiting groove (24) matched with the second limiting ring (23), the first rotating shaft (15) is fixedly sleeved with a first gear (25), the output shaft of the rotating motor (6) is fixedly sleeved with a second gear (26), a plurality of third gears (27) are rotationally connected on the disc (5), the first gear (25) and the second gear (26) are in meshing connection with the third gears (27) respectively, the top surface of the second rotating shaft (22) is flush with the top surface of the first rotating shaft (15), the top surface of the second rotating shaft (22) is provided with a protrusion (20), and the protrusion (20) is made of rubber material.

4. The livestock breeding feed preparation and processing apparatus according to claim 3, characterized in that, The connecting block (7) is provided with two rectangular grooves (28), the first magnetic block (29) is fixedly connected in the rectangular groove (28), the first magnetic block (29) is magnetically connected with the second magnetic block (30), the second magnetic block (30) is fixedly connected with a long block (31), the long block (31) has the same height as the connecting block (7), and the long block (31) is fixedly connected with one side of the screen (8).

5. The method of claim 4, wherein the method further comprises the step of: The method comprises the following steps: ​ The circular cover (10) is covered on the first cylinder (3), the bottom end of the second cylinder (9) is in contact with the outer wall of the conical body (1), the baled forage is vertically placed in the second cylinder (9), and the pointed end of the conical body (1) and the inclined outer wall thereof make the forage uniformly distributed in the second cylinder (9) along the inclined outer wall; The second cylinder (9) is lifted, the uniformly distributed forage naturally falls and uniformly enters the area between each two adjacent baffles (4), and the forage distributed in the area between each two baffles (4) has a relatively equal amount; The rotating motor (6) is started, so that the conical body (1) and the baffle (4) rotate, the forage between the baffles (4) adheres to the inner wall of the first cylinder (3) under the centrifugal action, and the impurities in the forage are thrown out of the first cylinder (3) through the screen holes, so that the gravel and wood chips contained in the forage are removed; The baffle (4) rotates correspondingly, the rotating plate (13) flips over in the direction of the cone (1) when approaching the magnetic block (14), and pushes the grass between the two adjacent baffles (4) away from the inner wall of the first cylinder (3), so that the grass shakes back and forth between the two adjacent baffles (4); The rotating motor (6) drives the driving gear (19) and the second gear (26) to rotate, and through meshing transmission, the first rotating shaft (15) and the second rotating shaft (22) rotate synchronously and oppositely, so that two oppositely rotating parts are formed inside the grass, which are the outer circle and the inner circle of the grass, and the outer circle and the inner circle rotate and change positions with each other; After the gravel and wood chips in the grass are completely thrown out, the work of the rotating motor (6) is stopped, the second magnetic block (30) is pulled out through the pulling force, so that the second magnetic block (30) is separated from the first magnetic block (29), and then the screen (8) is separated from the connecting block (7), so that the grass is conveniently taken out.

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