Grass ball kneading device, ruminant pellet feed production line and preparation method

Abstract

The present invention provides a grass ball kneading device, comprising a frame, a bottom plate, a kneading plate and a kneading driving member, wherein the bottom plate is connected to the frame, the kneading plate is located above the bottom plate and together with the bottom plate, forms a kneading space having a feed inlet and a discharge port, the feed inlet and the discharge port are arranged opposite to each other, and the bottom plate and the kneading plate are both inclined so that the feed inlet is located above the discharge port; the kneading driving member is installed on the frame and connected to the kneading plate to drive the kneading plate to revolve around an orbital axis parallel to the normal direction of the kneading plate. The grass ball kneading device can make long strips of grass into grass balls to ensure that the grass feed is palatable and has long fibers to meet the digestion needs of ruminants. The present invention also provides a ruminant pellet feed production line and a ruminant pellet feed preparation method using the grass ball kneading device.

Description

Technical Field

[0001] The invention relates to the technical field of feed preparation, and in particular to a grass ball kneading device, a ruminant pellet feed production line and a preparation method. Background Art

[0002] In the process of raising cattle and sheep, when using straw and other forage to make feed for cattle and sheep, in order to ensure the palatability of cattle and sheep, the straw needs to be cut into appropriate lengths. Usually, the straw needs to be 2cm-4cm in length to ensure palatability. Too long straw affects feeding and causes great waste. Cattle and sheep are ruminants. Only by ensuring the normal number of ruminations can their normal digestion effect and rumen health be guaranteed. Rumination mainly relies on the stimulation of fiber feed. Studies have found that the fiber length in the feed is 7cm-10cm, which is the effective fiber length to stimulate rumination, and can ensure the maximum digestibility of straw feed. Therefore, the existing cattle and sheep feed made from straw cannot achieve the maximum digestibility.

[0003] In addition, pellet feed is also a commonly used feed for cattle and sheep breeding. When processing traditional pellet feed, straw is usually cut or crushed before being extruded into pellets. A pelletizer is usually used for extrusion. The pelletizer uses a screw and other mechanisms to extrude grass and other materials in a manner similar to minced meat to make pellets with a diameter of about 1.0 cm and a length of about 2.0 cm. The pelletizer will cut off all the grass during pelleting, and the fiber length of the pellet feed finally obtained will not be longer than 2 cm. Therefore, when processing traditional pellet feed, the fibers of the grass are cut off during the processing, and the longest fiber is only the fiber of the length of the pellet feed. As a result, the current cattle and sheep pellet feed can only be used in small quantities for a short time in the calf stage, and cannot be used as the main conventional feed for cattle and sheep. This seriously restricts the application of pellet feed in cattle and sheep breeding. Summary of the invention

[0004] The present invention aims to solve at least one of the above-mentioned technical problems and provides a grass ball kneading device, which can make grass balls from straw and other forage to ensure that the forage feed is palatable and has long fibers to meet the digestive needs of ruminants.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A grass ball kneading device comprises a frame, a base plate, a kneading board and a kneading driving member, wherein the base plate is connected to the frame, the kneading board is located above the base plate and together with the base plate forms a kneading space having a feed inlet and a discharge outlet, the feed inlet and the discharge outlet are arranged opposite to each other, and the base plate and the kneading board are both inclined so that the feed inlet is located above the discharge outlet; the kneading driving member is installed on the frame and connected to the kneading board to drive the kneading board to revolve around an orbital axis parallel to the normal direction of the kneading board.

[0007] Furthermore, a circular groove is provided on the side of the kneading board facing away from the bottom plate, and the periphery of the kneading board is movably connected to the frame through a number of reset parts. The kneading drive part includes a cam, a connecting shaft and a driving motor. The cam is located in the circular groove, and the distal end of the cam can be slidably connected to the side wall surrounding the circular groove; the driving motor is installed on the frame and connected to the cam through the connecting shaft; the connecting shaft is parallel to the normal direction of the kneading board, the connection between the connecting shaft and the cam is spaced from the center of the circular groove, and the distance from the distal end of the cam to the connecting shaft is greater than the radius of the circular groove.

[0008] Furthermore, the bottom plate is slidably mounted on the frame, and the grass ball kneading device also includes a sliding drive component, which is connected to the bottom plate to drive the bottom plate to reciprocate along the inclined direction of the bottom plate.

[0009] A ruminant pellet feed production line comprises a forage cutting device, a grass ball kneading device and a pellet pressing device. The grass ball kneading device comprises a frame, a bottom plate, a kneading plate and a kneading driving member. The bottom plate is connected to the frame. The kneading plate is located above the bottom plate and together with the bottom plate, forms a kneading space with a feed inlet and a discharge port. The feed inlet and the discharge port are arranged opposite to each other. The bottom plate and the kneading plate are both inclined so that the feed inlet is located above the discharge port. The feed inlet is used to receive grass strips cut by the forage cutting device. The kneading driving member is installed on the frame and connected to the kneading plate to drive the kneading plate to revolve around an orbital axis parallel to the normal direction of the kneading plate to knead the grass strips into grass balls. The pellet pressing device can receive the grass balls and press the grass balls into pellets.

[0010] Further, the pelletizing device comprises:

[0011] Mounting frame;

[0012] A rotating table for receiving the grass balls, the rotating table is rotatably mounted on the mounting frame via a rotating shaft, a plurality of pellet pressing areas are arranged around the rotating shaft on the rotating table, and a plurality of pellet pressing channels are opened through each pellet pressing area;

[0013] The baffle mechanism includes a fixed baffle and a movable baffle, both of which are arranged below the pellet pressing passage, the fixed baffle is connected to the mounting frame, and the movable baffle is movably connected to the mounting frame or the fixed baffle to open or close the pellet pressing passage;

[0014] A rotary drive mechanism, the rotary drive mechanism is connected to the rotary table to drive the rotary table to perform intermittent rotation;

[0015] The pelletizing mechanism is located above the rotating table and opposite to the movable baffle, and includes a pelletizing driving member installed on a mounting frame and a plurality of pelletizing heads connected to the pelletizing driving member. The number of the pelletizing heads is the same as the number of pelletizing channels in a pelletizing area. Driven by the pelletizing driving member, the plurality of pelletizing heads can move in a vertical direction to cooperate with a pelletizing channel in a pelletizing area; and

[0016] A scraper is installed on the mounting frame and is used to scrape the grass balls on the top surface of the rotating table into the pelletizing channel when the rotating table rotates;

[0017] When the rotating table is stationary, the pelletizing channel of one pelletizing area faces the movable baffle and the pelletizing mechanism, and the pelletizing channels of the other pelletizing areas face the fixed baffle.

[0018] Furthermore, the pelletizing channel includes a pelletizing portion and a guide portion which are interconnected. The guide portion is located above the pelletizing portion, and the side wall of the guide portion is inclined so that the cross-sectional area of ​​the guide portion gradually increases in the direction away from the pelletizing portion. The pelletizing head includes a pressure rod, a pressure rod sleeve and a guide sleeve which are slidably sleeved in sequence. The pressure rod and the pressure rod sleeve can be abutted against the side wall of the guide portion in sequence, the pressure rod can be in slidable contact with the side wall of the pelletizing portion, and the end of the pressure rod away from the rotating table is connected to the pelletizing drive member.

[0019] Furthermore, the grass cutting device includes a feeding mechanism and a cutting mechanism, the cutting mechanism includes a fixed frame, a feeding roller assembly, a transverse cutting knife assembly, a flattening roller assembly and a longitudinal cutting assembly, the feeding roller assembly, the transverse cutting knife assembly, the flattening roller assembly and the longitudinal cutting assembly are sequentially installed on the fixed frame along the conveying direction of the feeding mechanism; the feeding roller assembly is used to convey the grass conveyed by the feeding mechanism to the flattening roller assembly; the transverse cutting knife assembly is used to cut the grass in a first direction, and the first direction is perpendicular to the conveying direction of the feeding mechanism; the flattening roller assembly is used to flatten the cut grass and convey the flattened grass to the longitudinal cutting assembly, and the longitudinal cutting assembly is used to cut the grass in a second direction to form a plurality of grass strips, and the second direction is parallel to the conveying direction of the feeding mechanism.

[0020] A method for preparing pelleted feed for ruminants comprises the following steps:

[0021] S1: Provide the above-mentioned ruminant pellet feed production line;

[0022] S2: Cut the grass into grass strips with a length of 7 cm-10 cm, a width of 0.1 cm-0.5 cm, and a height of 0.5 cm-1 cm by using a grass cutting device;

[0023] S3: The cut grass strips are allowed to enter the kneading space surrounded by the bottom plate and the kneading board through the feed port, and the grass strips fall downward due to their own gravity, and are kneaded into grass balls by the bottom plate and the kneading board at the same time;

[0024] S4: The grass pellets are made into pellet feed through a pelletizing device.

[0025] Furthermore, the grass cutting device includes a feeding mechanism and a cutting mechanism, the cutting mechanism includes a fixed frame, a feeding roller assembly, a transverse cutting knife assembly, a flattening roller assembly and a longitudinal cutting assembly, the feeding roller assembly, the transverse cutting knife assembly, the flattening roller assembly and the longitudinal cutting assembly are sequentially installed on the fixed frame along the conveying direction of the feeding mechanism; the feeding roller assembly is used to convey the grass conveyed by the feeding mechanism to the flattening roller assembly; the transverse cutting knife assembly is used to cut the grass in a first direction, and the first direction is perpendicular to the conveying direction of the feeding mechanism; the flattening roller assembly is used to flatten the cut grass and convey the flattened grass to the longitudinal cutting assembly, and the longitudinal cutting assembly is used to cut the grass in a second direction to form a plurality of grass strips, and the second direction is parallel to the conveying direction of the feeding mechanism. Step S2 includes the following steps:

[0026] S21: The feeding mechanism transmits the grass to the cutting mechanism;

[0027] S22: The feed roller assembly transmits the grass delivered by the feed mechanism toward the flattening roller assembly;

[0028] S23: When the flattening roller assembly bites the grass delivered by the feeding roller assembly, the grass is cut in the first direction by the transverse cutting knife assembly to obtain grass segments with a length of 7 cm-10 cm, and the cut grass segments are delivered to the longitudinal cutting assembly direction by the flattening roller assembly. When the grass segments pass through the flattening roller assembly, they are flattened to a height of 0.5 cm-1 cm by the flattening roller assembly;

[0029] S24: Cutting the flattened grass segments in the second direction by a longitudinal cutting assembly to obtain grass strips with a width of 0.1 cm to 0.5 cm.

[0030] Further, the pelletizing device comprises:

[0031] Mounting frame;

[0032] A rotating table for receiving the grass balls, the rotating table is rotatably mounted on the mounting frame via a rotating shaft, a plurality of pellet pressing areas are arranged around the rotating shaft on the rotating table, and a plurality of pellet pressing channels are opened through each pellet pressing area;

[0033] The baffle mechanism includes a fixed baffle and a movable baffle, both of which are arranged below the pellet pressing passage, the fixed baffle is connected to the mounting frame, and the movable baffle is movably connected to the mounting frame or the fixed baffle to open or close the pellet pressing passage;

[0034] A rotary drive mechanism, the rotary drive mechanism is connected to the rotary table to drive the rotary table to perform intermittent rotation;

[0035] The pelletizing mechanism is located above the rotating table and opposite to the movable baffle, and includes a pelletizing driving member installed on a mounting frame and a plurality of pelletizing heads connected to the pelletizing driving member. The number of the pelletizing heads is the same as the number of pelletizing channels in a pelletizing area. Driven by the pelletizing driving member, the plurality of pelletizing heads can move in a vertical direction to cooperate with a pelletizing channel in a pelletizing area; and

[0036] A scraper is installed on the mounting frame and is used to scrape the grass balls on the top surface of the rotating table into the pelletizing channel when the rotating table rotates;

[0037] When the rotating table is stationary, the pelletizing channel of one pelletizing area faces the movable baffle and the pelletizing mechanism, and the pelletizing channels of the other pelletizing areas face the fixed baffle;

[0038] Step S4 includes:

[0039] S41: The rotary drive mechanism drives the rotary table to rotate intermittently, so that the kneaded grass balls fall into the pelletizing area facing the fixed baffle;

[0040] S42: When the rotating table passes through the scraper, the scraper scrapes the grass mass on the rotating table surface into the pelletizing channel;

[0041] S43: When the rotating table is stationary, the bottom opening of the pelletizing channel in one of the pelletizing areas faces the movable baffle and is blocked by the movable baffle to enclose a pelletizing space together with the pelletizing channel, and the top opening of the pelletizing channel in the pelletizing area faces the pelletizing mechanism; the bottom openings of the pelletizing channels in the remaining pelletizing areas face the fixed baffle and are blocked by the movable baffle to prevent the grass balls from accidentally falling from the pelletizing channels;

[0042] S44: the pelletizing driving member drives a plurality of pelletizing heads to move toward the pelletizing channel, and the pelletizing heads and the movable baffle cooperate to press the grass balls into pelletized feed;

[0043] S45: After pelleting is completed, the movable baffle is moved away from the rotating table to open the pelleting channel, and the pelleting driving member drives the plurality of pelleting heads to continue to move downward until the pellet feed is pushed out of the rotating table through the bottom opening of the pelleting channel, thereby completing the unloading;

[0044] S46: Repeat steps S41-45 until all grass balls are suppressed.

[0045] Due to the adoption of the above technical solution, the present invention has the following beneficial effects:

[0046] 1. When the above-mentioned grass ball kneading device is used, the cut long grass strips are introduced into the kneading space from the feed inlet. Since the bottom plate and the kneading plate are both inclined, the grass strips fall toward the discharge port under the action of gravity, and are kneaded into grass ball feed by the bottom plate and the kneading plate. By kneading the grass strips, the long grass strips can be kneaded into smaller grass balls without crushing or cutting the long grass strips, thereby ensuring that the straw and other grass feeds are palatable, and the long grass strip fibers in the grass ball can meet the digestion needs of ruminants.

[0047] 2. In the above-mentioned grass ball kneading device, the kneading plate and the bottom plate together form a kneading space with a feed inlet and a feed outlet. After the grass enters the kneading space, it is kneaded into a grass ball by the kneading plate. It can not only knead the grass strips during transportation, so that the grass ball kneading process can be carried out continuously, which is beneficial to improving production efficiency, but also has a simple structure, which is beneficial to reducing equipment costs. The grass strips are transported by their own gravity, and there is no need to set up additional conveying equipment, which is beneficial to further reduce equipment costs.

[0048] 3. The above-mentioned ruminant pellet feed production line also presses the grass ball into pellet feed through a pellet pressing device. Compared with the grass ball feed, the pellet feed has a smaller oxidation area, is not easy to mold, can be stored for a longer time, and after being prepared into pellet feed, it has a higher density, occupies a smaller volume, is easier to transport, and is more convenient for daily feeding operations and for preparing a complete mixed diet.

[0049] 4. The pelletizing device is provided with a rotating table, a pelletizing mechanism, a scraper and a baffle mechanism. A number of pelletizing areas are arranged at intervals on the rotating table. By rotating the rotating table, one of the pelletizing areas can be loaded, and the pelletizing mechanism can be used to press the other pelletizing area, and the scraper can be used to scrape the grass into the pelletizing channel of the pelletizing area, so that the loading and pressing steps can be carried out continuously, which greatly improves production efficiency, saves manpower and reduces costs. At the same time, the pressing operation is carried out by the pelletizing head, and the pressed grass will not be broken, which can ensure that the prepared pellet feed has long fibers to meet the digestion needs of ruminants. After the pressing is completed, the pelletizing channel is opened by the baffle mechanism, and the pelletizing mechanism can also be used to push the pressed pellet feed out of the pelletizing channel. There is no need to set up a separate unloading mechanism, which is easy to use and helps to reduce costs.

[0050] 5. The pelletizing device described above has a pelletizing channel comprising a pelletizing portion and a guide portion which are interconnected. The cross-sectional area of ​​the guide portion gradually increases in the direction away from the pelletizing portion, which is more conducive to receiving the grass ball. The pelletizing head comprises a pressing rod, a pressing rod sleeve and a guide sleeve which are slidably sleeved in sequence. When in use, the guide sleeve and the pressing rod sleeve are successively abutted against the side wall of the guide portion, and finally the pressing rod is in sliding contact with the side wall of the pelletizing portion. The multi-layer pressing rod structure prevents the pressing rod from passing through the grass ball during the pelletizing process, and the pressing rod cannot smoothly push the grass ball into the pelletizing portion, which results in the inability to press the grass ball into pelletized feed.

[0051] 6. The above-mentioned forage cutting device, its cutting mechanism includes a transverse cutting knife assembly, a flattening roller assembly and a longitudinal cutting assembly. The transverse cutting knife assembly can cut the forage in the transverse direction, so as to cut the forage into a required length size range. The flattening roller assembly can flatten the cut forage to flatten the forage into a required height size range. The longitudinal cutting assembly can tear the forage in the longitudinal direction, so as to cut the forage into a required width size range. Therefore, through the forage cutting device, the forage can be cut into grass strips of the required size range, so that the forage size is more uniform, which is convenient for consumption and preparation of later feed. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 This is a structural diagram of a ruminant pellet feed production line in a preferred embodiment of the present invention.

[0053] Figure 2 for Figure 1 The structural diagram of the forage cutting device in the ruminant pellet feed production line is shown.

[0054] Figure 3 for Figure 2 The schematic diagram of the structure of the feed mechanism, feed roller assembly, cutting knife, flattening roller assembly and longitudinal cutting assembly in the grass cutting device shown is a top view.

[0055] Figure 4 for Figure 2 A left side view of the longitudinal cutting assembly in the forage cutting device is shown.

[0056] Figure 5 for Figure 1 The structural diagram of the grass ball kneading device in the ruminant pellet feed production line is shown.

[0057] Figure 6 for Figure 5 The schematic diagram of the structure of the bottom plate and the kneading plate in the grass ball kneading device shown.

[0058] Figure 7 for Figure 5 The schematic top view of the frame, bottom plate, kneading plate and reset member A in the grass ball kneading device shown.

[0059] Figure 8 for Figure 1 The structural diagram of the pelletizing device in the ruminant pellet feed production line is shown.

[0060] Fig. 9 for Figure 8 The top view of the structure of the rotating table, baffle mechanism and scraper in the pelletizing device shown.

[0061] Fig.10 for Figure 8 The top view of the baffle mechanism in the pelletizing device is shown, wherein the movable baffle is located at the first position.

[0062] Fig.11 for Fig.10 The structure diagram of the baffle mechanism shown is when the movable baffle is located in the second position.

[0063] Fig.12 Figure 8 A cross-sectional view of the pelletizing head in the pelletizing device shown on the plumb plane.

[0064] Fig.13 for Figure 8 Schematic diagram of the usage status of the pelletizing head in the pelletizing device shown.

[0065] Main component symbols

[0066] 100. Forage cutting device; 1. Feeding mechanism; 2. Cutting mechanism; 21. Fixing frame; 22. Feeding roller assembly; 221. Upper feeding roller; 223. Lower feeding roller; 225. Transmission channel; 23. Horizontal cutting knife assembly; 231. Cutting knife; 232. Cutting drive; 24. Flattening roller assembly; 241. Upper flattening roller; 243. Lower flattening roller; 245. Flattening channel; 25. Longitudinal cutting assembly; 251. Rotating shaft; 253. Tearing disc; 2 6. elastic member; 261. connecting arm; 263. floating spring; 27. protrusion; 200. grass ball kneading device; 3. frame; 31. sliding hole; 32. guide rail; 4. bottom plate; 41. baffle plate; 43. slide block; 5. kneading plate; 51. feeding port; 52. discharging port; 53. kneading space; 54. kneading flat plate; 55. guide plate; 57. circular groove; 58. reset member; 581. sliding rod; 583. reset spring; 585. limit block; 6. kneading drive member; 6 1. Cam; 63. Connecting shaft; 64. Driving motor; 65. Sliding driving member; 300. Grain pressing device; 7. Mounting frame; 8. Rotating table; 81. Grain pressing channel; 811. Grain pressing part; 813. Guide part; 815. Baffle plate; 82. Driving teeth; 83. First grain pressing area; 84. Second grain pressing area; 85. Third grain pressing area; 86. Fourth grain pressing area; 9. Baffle mechanism; 91. Fixed baffle; 92. Movable baffle; 93. Sliding driving member; 10. Rotating driving mechanism; 101. reduction motor; 103. driving gear; 11. pelletizing mechanism; 111. pelletizing driving member; 110. pelletizing head; 112. pressing rod; 1121. rod body; 1123. pelletizing flange; 113. pressing rod sleeve; 1131. sleeve; 1132. pressing protrusion; 114. guide sleeve; 1141. limiting protrusion; 115. inclined portion; 116. fixing plate; 12. scraper; 400. conveying device; 500. forage; 600. grass ball; 700. pellet feed. DETAILED DESCRIPTION

[0067] 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.

[0068] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0069] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0070] Please also see Figure 1 A preferred embodiment of the present invention provides a ruminant pellet feed production line, comprising a forage cutting device 100, a grass ball kneading device 200 and a pellet pressing device 300. The grass ball kneading device 200 is used to receive the grass strips cut by the forage cutting device 100 and knead the grass strips into grass balls. The pellet pressing device 300 can receive the grass balls and press the grass balls into pellet feed. The forage can be a long strip of forage such as straw for making feed.

[0071] Please also see Figure 2 and Figure 3 In this embodiment, the grass cutting device 100 includes a feeding mechanism 1 and a cutting mechanism 2. The feeding mechanism 1 can adopt a belt conveyor device of the prior art, etc., and its structure belongs to the prior art. In order to omit space, it will not be repeated here. The cutting mechanism 2 includes a fixing frame 21, a feeding roller assembly 22, a transverse cutting knife assembly 23, a flattening roller assembly 24 and a longitudinal cutting assembly 25. The feeding roller assembly 22, the transverse cutting knife assembly 23, the flattening roller assembly 24 and the longitudinal cutting assembly 25 are sequentially installed on the fixing frame 21 along the conveying direction of the feeding mechanism 1.

[0072] In this embodiment, the fixed frame 21 is connected to the frame (not shown) of the feeding mechanism 1 to form a whole, which is convenient for use. The feeding roller assembly 22 is used to transfer the grass delivered by the feeding mechanism 1 to the flattening roller assembly 24. In this embodiment, the feeding roller assembly 22 includes an upper feeding roller 221 and a lower feeding roller 223 arranged vertically opposite to each other. The upper feeding roller 221 and the lower feeding roller 223 are both connected to the fixed frame 21 and can rotate relative to the fixed frame 21 under the drive of external force. The axis of the upper feeding roller 221 and the axis of the lower feeding roller 223 are both perpendicular to the conveying direction of the feeding mechanism 1. The rotation directions of the upper feeding roller 221 and the lower feeding roller 223 are opposite. The upper feeding roller 221 and the lower feeding roller 223 together form a conveying channel 225.

[0073] In this embodiment, the opposite ends of the upper feed roller 221 are connected to the fixed frame 21 through the elastic member 26, specifically: the elastic member 26 includes a connecting arm 261 and a floating spring 263, the connecting arm 261 is arranged vertically and is slidably connected to the fixed frame 21; the floating spring 263 is sleeved on the connecting arm 261, and the opposite ends are respectively in contact with the connecting arm 261 and the fixed frame 21; the opposite ends of the upper feed roller 221 are respectively rotatably connected to the bottom end of the corresponding connecting arm 261. When in use, the feeding mechanism 1 conveys the grass to the conveying channel 225, and the upper feed roller 221 and the lower feed roller 223 can rotate in opposite directions, thereby biting the grass conveyed by the feeding mechanism 1, and conveying the grass to the flattening roller assembly 24. The upper feed roller 221 is connected to the fixed frame 21 through an elastic member 26. When in use, the upper feed roller 221 can float up and down according to the thickness of the grass in the conveying channel 225, so that the conveying channel 225 can convey grass of different thicknesses and ensure that the upper feed roller 221 is always in contact with the grass to ensure smooth conveyance of the grass.

[0074] It is understood that the feed roller assembly 22 may also include other components, such as a feed drive (not shown) mounted on the fixed frame 21 and driving the upper feed roller 221 and the lower feed roller 223 to rotate. In one embodiment, the feed drive may be two reduction motors, one of which is mounted on the fixed frame 21 and connected to the lower feed roller 223, and the other is mounted on the connecting arm 261 and connected to the upper feed roller 221. It is understood that the feed drive may also adopt other drive devices in the prior art, which will not be described here for the sake of space saving.

[0075] The transverse cutting blade assembly 23 is used to cut the grass in the first direction Y, and the first direction Y is perpendicular to the conveying direction of the feeding mechanism 1. In this embodiment, the transverse cutting blade assembly 23 includes a cutting blade 231 and a cutting drive 232 connected to the cutting blade 231. The cutting drive 232 is connected to the fixing frame 21 and can drive the cutting blade 231 to move vertically, so as to cut the long strip of grass into a plurality of grass segments of a required length in the first direction Y. The length of each grass segment is the same as the distance from the cutting blade 231 to the center of the flattening roller assembly 24. In this embodiment, the first direction Y is also along the cross-sectional direction of the grass, that is, the transverse direction; preferably, the transverse cutting blade assembly 23 cuts the grass into a plurality of grass segments of 7 cm-10 cm in length, so the distance from the cutting blade 231 to the center of the flattening roller assembly 24 is correspondingly set to 7 cm-10 cm. The cutting drive 232 can adopt a drive device such as an oil cylinder, which belongs to the prior art and is not described here for the sake of space.

[0076] The flattening roller assembly 24 is used to flatten the cut grass segments and transfer the flattened grass segments to the longitudinal cutting assembly 25. In this embodiment, the flattening roller assembly 24 includes an upper flattening roller 241 and a lower flattening roller 243 arranged vertically opposite to each other, the upper flattening roller 241 and the lower flattening roller 243 are both rotatably connected to the fixing frame 21, the upper flattening roller 241 and the lower flattening roller 243 are both parallel to the upper feeding roller 221, the upper flattening roller 241 and the lower flattening roller 243 rotate in opposite directions, and the upper flattening roller 241 and the lower flattening roller 243 together form a flattening channel 245. When in use, the feed roller assembly 22 conveys the grass into the flattening channel 245, the upper flattening roller 241 and the lower flattening roller 243 can rotate in opposite directions to bite the grass conveyed by the feed roller assembly 22, and then the cutting drive 232 drives the cutting knife 231 to move vertically to cut the long strip of grass into grass segments of the required length, and the upper flattening roller 241 and the lower flattening roller 243 continue to rotate to flatten the cut grass segments and convey the flattened grass segments to the longitudinal cutting assembly 25. The flattening roller assembly 24 can flatten the grass segments in the vertical direction to flatten the grass segments to a preset height. The preset height to which the grass segments can be flattened is the same as the spacing between the upper flattening roller 241 and the lower flattening roller 243. In this embodiment, the preset height of the flattened grass segment is 0.5 cm-1 cm, and therefore, the spacing between the upper flattening roller 241 and the lower flattening roller 243 is also correspondingly set to 0.5 cm-1 cm.

[0077] It is understandable that the flattening roller assembly 24 may also include other components, such as a flattening drive member (not shown) mounted on the fixed frame 21 and driving the upper flattening roller 241 and the lower flattening roller 243 to rotate. In one embodiment, the flattening drive member may be two reduction motors, both of which are mounted on the fixed frame 21 and are respectively connected to the upper flattening roller 241 and the lower flattening roller 243; it is understandable that the flattening drive member may also adopt other drive devices in the prior art, which will not be described here to save space.

[0078] In this embodiment, protrusions 27 are spaced apart on the outer peripheral walls of the upper feeding roller 221, the lower feeding roller 223, the upper flattening roller 241 and the lower flattening roller 243. The arrangement of the protrusions 27 can increase the friction between the forage and the upper feeding roller 221, the lower feeding roller 223, the upper flattening roller 241 and the lower flattening roller 243, so that the forage can be transported more smoothly.

[0079] The longitudinal cutting assembly 25 is used to cut the flattened grass segments in the second direction X to form a plurality of grass strips with a preset width. The second direction X is parallel to the conveying direction of the feeding mechanism 1. Figure 4 In this embodiment, the longitudinal cutting assembly 25 includes two rotating shafts 251 arranged vertically opposite to each other, and the two rotating shafts 251 are parallel to the upper flattening roller 241. The two rotating shafts 251 are connected to the fixed frame 21 and can rotate in opposite directions under the action of external force. A plurality of tearing discs 253 are respectively installed on the two rotating shafts 251 along their axial directions. The tearing discs 253 on the two rotating shafts 251 are staggered, that is, the tearing disc 253 on each rotating shaft 251 corresponds to the position between the two adjacent tearing discs 253 on the other rotating shaft 251, and the tearing disc 253 on each rotating shaft 251 is spaced apart from the other rotating shaft 251. When in use, the flattened forage segment is sent between the two rotating shafts 251 by the flattening roller assembly 24, and is output from the space between the two adjacent tearing discs 253 under the action of the two rotating shafts 251 rotating in opposite directions. During the output process, the grass is torn apart in the longitudinal direction (i.e., the second direction X) by the tearing disc 253 as the two rotating shafts 251 rotate, thereby cutting the grass segments into the required width size range. The width of the grass strips obtained after cutting by the longitudinal cutting assembly 25 is related to the width H between two adjacent tearing discs 253. In this embodiment, the width size range of the grass obtained after cutting by the longitudinal cutting assembly 25 is 0.1 cm-0.5 cm, and the width H between two adjacent tearing discs 253 should also be set to 0.1 cm-0.5 cm accordingly.

[0080] It can be understood that the longitudinal cutting assembly 25 can also include other components, such as a rotating drive member (not shown) mounted on the fixed frame 21 and driving the two rotating shafts 251 to rotate. In one embodiment, the rotating drive member can be two reduction motors, and the two reduction motors are both mounted on the fixed frame 21 and respectively connected to the two rotating shafts 251; it can be understood that the two rotating shafts 251 can also adopt other driving devices in the prior art, which will not be repeated here to save space.

[0081] Please also see Figures 5 to 7 The grass ball kneading device 200 includes a frame 3, a bottom plate 4, a kneading plate 5 and a kneading driving member 6. The bottom plate 4 is connected to the frame 3, the kneading plate 5 is located above the bottom plate 4 and together with the bottom plate 4, forms a kneading space 53 having a feed inlet 51 and a discharge port 52, the feed inlet 51 and the discharge port 52 are arranged opposite to each other, and the kneading plate 5 and the bottom plate 4 are both inclined so that the feed inlet 51 is located above the discharge port 52; the feed inlet 51 is used to receive the grass strips 500 cut by the grass cutting device 100; the kneading driving member 6 is installed on the frame 3 and connected to the kneading plate 5 to drive the kneading plate 5 to revolve around a revolution axis parallel to the normal direction of the kneading plate 5, so as to knead the grass strips 500 into grass balls 600. The diameter of the grass ball 600 kneaded by the grass ball kneading device 200 is related to the distance between the bottom plate 4 and the kneading board 5, that is, the height of the kneading space 53. In this embodiment, the diameter of the grass ball 600 kneaded by the grass ball kneading device 200 is 1cm-2cm, and the distance between the bottom plate 4 and the kneading board 5 is also set to 1cm-2cm accordingly.

[0082] In this embodiment, the kneading plate 5 includes a kneading flat plate 54 and a guide plate 55 connected to one side of the kneading flat plate 54. The kneading flat plate 54 is arranged in parallel with the bottom plate 4 and encloses a kneading space 53. The side of the kneading flat plate 54 away from the guide plate 55 and the bottom plate 4 together enclose a discharge port 52. The guide plate 55 and the bottom plate 4 together enclose a feed port 51, and the guide plate 55 gradually moves away from the bottom plate 4 from the direction away from the kneading flat plate 54, so that the opening of the feed port 51 gradually becomes larger in the direction away from the kneading flat plate 54, which is more conducive to guiding the material.

[0083] The kneading driving member 6 drives the kneading plate 5 to revolve around the revolution axis parallel to the normal direction of the kneading flat plate 54. Specifically, in the present embodiment, the bottom plate 4 and the kneading plate 5 are both roughly square plates, and a circular groove 57 is provided on the side of the kneading flat plate 54 facing away from the bottom plate 4; the periphery of the kneading plate 5 is movably connected to the frame 3 through a plurality of reset members 58. In the present embodiment, four long strip sliding holes 31 are provided on the four side edges of the frame 3 corresponding to the kneading plate 5, wherein the length directions of the two sliding holes 31 corresponding to the feed port 51 and the discharge port 52 extend along the width direction of the bottom plate 4, and the length directions of the remaining two sliding holes 31 extend along the length direction of the bottom plate 4; the number of reset members 58 is the same as the sliding holes 31 and they are arranged one by one, and each reset member 58 includes a sliding rod 581 and a reset spring 583, the sliding rod 581 movably passes through the corresponding sliding hole 31, and one end of the sliding rod 581 is connected to the periphery of the kneading plate 5 and can move in the corresponding sliding hole 31 as the kneading plate 5 rotates. Specifically, one end of one of the sliding rods 581 is connected to the guide plate 55, and one end of the other three sliding rods 581 is respectively connected to the three side edges of the rubbing plate 54; the return spring 583 is sleeved on the sliding rod 581, and the opposite ends are elastically against the frame 31 and the rubbing plate 5, respectively. Specifically, one end of one of the return springs 583 is against the guide plate 55, and one end of the other three return springs 583 is against the three side edges of the rubbing plate 54; the rubbing drive member 6 includes a cam 61, a connecting shaft 63 and a driving motor 64, the cam 61 is located in the circular groove 57, and the distal end D of the cam 61 can be slidably connected to the side wall surrounding the circular groove 57; the driving motor 64 is mounted on the frame 3 and connected to the cam 61 through the connecting shaft 63; the connecting shaft 63 is parallel to the normal direction of the kneading plate 5, the connection between the connecting shaft 63 and the cam 61 is spaced from the center of the circular groove 57, and the distance between the distal end D of the cam 61 and the connecting shaft 63 is greater than the radius of the circular groove 57.

[0084] In this embodiment, one end of the sliding rod 581 away from the rubbing plate 5 is also connected to a limit block 585 , and the length of the limit block 585 is greater than the length of the corresponding sliding hole 31 , which can prevent the rubbing plate 5 from detaching from the frame 3 .

[0085] When in use, the driving motor 64 drives the cam 61 to rotate around the connecting shaft 63. Under the cooperation of the cam 61 and the reset member 58, the distal end D of the cam 61 pushes the rubbing plate 5 to revolve around the revolution axis parallel to the normal direction of the rubbing plate 54, that is, to make a circular motion in a plane parallel to the bottom plate 4, and then cooperate with the bottom plate 4 to rub, and it can ensure that the feed port 51 remains at the top during rubbing, without affecting the feeding. It can be understood that the length of each sliding hole 31 should not be less than twice the distance from the connecting shaft 63 to the center of the circular groove 57 to ensure smooth rotation of the rubbing plate 5. The setting of the reset member 58 can not only facilitate the installation of the rubbing plate 5, but also assist in resetting the rubbing plate 5, making it more convenient to use.

[0086] In this embodiment, the bottom plate 4 is slidably mounted on the frame 3, specifically: a guide rail 32 is mounted on the frame 3, a slider 43 is connected to the bottom of the bottom plate 4, and the slider 43 is slidably connected to the guide rail 32. The grass ball kneading device 200 also includes a sliding drive 65, which is mounted on the frame 3 and connected to the bottom plate 4 to drive the bottom plate 4 to reciprocate along the inclined direction of the bottom plate 4, which can increase the relative motion frequency between the bottom plate 4 and the kneading plate 5 and improve the kneading efficiency. The sliding drive 65 can be an electric telescopic rod, a screw drive device, etc., and its structure belongs to the prior art. In order to omit space, it will not be repeated here. Preferably, the bottom plate 4 extends out of one end of the kneading plate 5 close to the feed inlet 51, and the maximum distance of the reciprocating motion of the bottom plate 4 is not greater than the length of the bottom plate 4 protruding from one side of the guide portion 813, so as to further ensure smooth material guiding and not hinder the transmission of the grass strips in the kneading space 53.

[0087] In this embodiment, two baffle plates 41 are also installed on the bottom plate 4, and the two baffle plates 41 are respectively located on the opposite sides of the feed inlet 51 and the discharge outlet 52. Preferably, the baffle plate 41 extends from the side of the bottom plate 4 to the top of the kneading space 53. By providing the baffle plates 41, it is possible to prevent the grass from falling from the two sides of the bottom plate 4 during kneading. A plurality of protrusions 27 are provided at intervals on the side of the kneading flat plate 54 facing the kneading space 53 and the side of the bottom plate 4 facing the kneading space 53. By providing the protrusions 27, the friction between the kneading flat plate 54, the bottom plate 4 and the grass strips can be increased, further improving the kneading efficiency.

[0088] Please also see Figure 8 In this embodiment, the pelletizing device 300 includes a mounting frame 7 , a rotating table 8 , a baffle mechanism 9 , a rotating drive mechanism 10 and a scraper 12 .

[0089] The rotating platform 8 is used to receive the grass balls. The rotating platform 8 is rotatably mounted on the mounting frame 7 via a rotating shaft (not shown). A plurality of pellet pressing areas are arranged around the rotating shaft on the rotating platform 8. Each pellet pressing area is provided with a plurality of pellet pressing channels 81. Fig. 9 In this embodiment, the rotating table 8 is circular, and four sector-shaped pelletizing areas are evenly distributed around the rotating axis on the rotating table 8. For ease of understanding, Fig.10 The dotted lines are used to divide the pelletizing area, and the four sector-shaped pelletizing areas are respectively recorded as the first pelletizing area 83, the second pelletizing area 84, the third pelletizing area 85 and the fourth pelletizing area 86. Please refer to Fig.13The pelletizing channel 81 passes through the upper and lower end surfaces of the rotating table 8, and includes a pelletizing portion 811 and a guide portion 813 that are interconnected. The guide portion 813 is located above the pelletizing portion 811, and passes through the upper end surface of the rotating table 8 to form a top opening (not indicated). The side wall of the guide portion 813 is inclined so that the cross-sectional area of ​​the guide portion 813 gradually increases in the direction away from the pelletizing portion 811, so as to facilitate receiving the grass ball 600. The pelletizing portion 811 passes through the lower end surface of the rotating table 8 to form a bottom opening (not indicated). In this embodiment, a baffle plate 815 is also installed on the periphery of the rotating table 8 to prevent the grass ball 600 from falling from the periphery of the rotating table 8.

[0090] Please also see Fig.10 , the baffle mechanism 9 includes a fixed baffle 91, a movable baffle 92 and a sliding drive member 93. The fixed baffle 91 and the movable baffle 92 are both arranged below the pelletizing channel 81. The fixed baffle 91 is connected to the mounting frame 7, and the movable baffle 92 is slidably connected to the mounting frame 7. The sliding drive member 93 is installed on the mounting frame 7 and connected to the movable baffle 92 to drive the movable baffle 92 to slide, thereby opening or closing the pelletizing channel 81. In this embodiment, the fixed baffle 91 and the movable baffle 92 are located in the same horizontal plane. The fixed baffle 91 can block the bottom opening of the pelletizing channel 81 in three of the pelletizing areas. A fan-shaped notch matching the shape of the pelletizing area is formed on the fixed baffle 91, so that the bottom opening of the pelletizing channel 81 in one of the pelletizing areas is in an open state. The movable baffle 92 is in the shape of a fan-shaped plate, which can slide between a first position and a second position along the radial direction of the rotating table 8 under the action of an external force: when the movable baffle 92 is in the first position ( Fig.10 ), the movable baffle 92 is located in the fan-shaped notch and blocks the bottom opening of the pellet pressing channel 81 in the pellet pressing area corresponding to the fan-shaped notch; when the movable baffle 92 is located in the second position ( Fig.11 ), the movable baffle 92 is separated from the fan-shaped notch, so that the bottom opening of the pellet pressing channel 81 in the pellet pressing area corresponding to the fan-shaped notch is in a state of communication with the outside. It can be understood that the movable baffle 92 can also be movably connected with the mounting frame 7 by rotation or other means, as long as the bottom opening of the pellet pressing channel 81 can be opened and closed. The sliding drive member 93 can be an electric telescopic rod in the prior art, etc., and its structure belongs to the prior art. In order to omit space, it will not be repeated here.

[0091] The rotary drive mechanism 10 is connected to the rotating table 8 to drive the rotating table 8 to rotate intermittently. In this embodiment, the periphery of the rotating table 8 is provided with driving teeth 82, and the rotary drive mechanism 10 includes a reduction motor 101 and a driving gear 103 connected to the reduction motor 101. The reduction motor 101 is installed on the mounting frame 7, and the driving gear 103 is engaged with the driving teeth 82 on the periphery of the rotating table 8. The reduction motor 101 can drive the driving gear 103 to rotate, and then drive the rotating table 8 to rotate around the vertical axis through the driving teeth 82. It can be understood that the rotary drive mechanism 10 can also adopt a driving device of other structures, as long as it can drive the rotating table 8 to rotate intermittently around the vertical axis.

[0092] The pelletizing mechanism 11 is located above the rotating table 8 and opposite to the movable baffle 92. The pelletizing mechanism 11 includes a pelletizing driving member 111 installed on the mounting frame 7 and a plurality of pelletizing heads 110 connected to the pelletizing driving member 111. The number of pelletizing heads 110 is the same as the number of pelletizing channels 81 in a pelletizing area, and they are arranged one by one. Driven by the pelletizing driving member 111, the plurality of pelletizing heads 110 can move in a vertical direction to cooperate with the pelletizing channels 81 of a pelletizing area to thereby press the grass balls 600 in the pelletizing channels 81.

[0093] Please also see Fig.12 and Fig.13In this embodiment, the pelletizing head 110 includes a pressure rod 112, a pressure rod sleeve 113 and a guide sleeve 114 which are slidably sleeved in sequence. One end of the pressure rod 112 is connected to the pelletizing driving member 111. The guide sleeve 114 and the pressure rod sleeve 113 can be abutted against the side wall of the guide portion 813 in sequence. The pressure rod 112 can be in sliding contact with the side wall of the pelletizing portion 811. Specifically, the pressure rod sleeve 113 is slidably sleeved on the outside of the pressure rod 112, and the guide sleeve 114 is slidably sleeved on the outside of the pressure rod sleeve 113. The outer wall of the guide sleeve 114 and the outer wall of the bottom of the pressure rod sleeve 113 are both provided with an inclined portion 115 that abuts against the side wall of the guide portion 813. When in use, the pelletizing driving member 111 drives the pelletizing head 110 to move toward the pelletizing channel 81. During this process, the guide sleeve 114 first contacts the guide portion 813 and pushes the grass ball 600 toward the pelletizing portion 811. When the inclined portion 115 of the guide sleeve 114 is pressed against the upper portion of the guide portion 813, the pelletizing driving member 111 drives the pressing rod 112 and the pressing rod sleeve 113 to continue to move toward the movable baffle 92, and the pressing rod sleeve 113 moves downward relative to the guide sleeve 114 until the lower end of the pressing rod sleeve 113 extends out of the guide sleeve 114 and the pressing rod sleeve 113 is pressed against the movable baffle 92. The inclined portion 115 on the bottom outer wall of 13 is pressed against the lower portion of the guide portion 813. During this process, the pressure rod sleeve 113 and the pressure rod 112 continue to push the grass ball 600 toward the pelletizing portion 811. When the inclined portion 115 on the bottom outer wall of the pressure rod sleeve 113 is pressed against the lower portion of the guide portion 813, the pelletizing drive member 111 drives the pressure rod 112 to continue moving toward the movable baffle 92, and the pressure rod 112 pushes the grass ball 600 into the pelletizing portion 811 until the grass ball 600 is subjected to the pressure of both the pressure rod 112 and the movable baffle 92 to form pelletized feed 700.

[0094] In this embodiment, a limiting protrusion 1141 is protruded on the inner hole wall of the guide sleeve 114; the pressure rod sleeve 113 includes a sleeve 1131 slidably inserted into the inner hole of the guide sleeve 114 and a pressing protrusion 1132 protruded from the bottom end of the sleeve 1131, and the pressing protrusion 1132 is located below the limiting protrusion 1141. When the guide sleeve 114 moves upward, the pressing protrusion 1132 can slide in the inner hole of the guide sleeve 114 and abut against the limiting protrusion 1141 to drive the guide sleeve 114 to move in a direction away from the movable baffle 92; the inclined portion 115 of the pressure rod sleeve 113 is arranged on the outer peripheral wall of the pressing protrusion 1132. The pressing rod 112 includes a rod body 1121 that slides through the inner hole of the sleeve 1131 and a pellet pressing flange 1123 connected to one end of the rod body 1121. The free end of the rod body 1121 is connected to the pellet pressing driving member 111. The pellet pressing flange 1123 is located below the pressing protrusion 1132 and the peripheral wall of the pellet pressing flange 1123 can slide in contact with the side wall of the pellet pressing portion 811. When the pellet pressing flange 1123 moves upward, the pellet pressing flange 1123 can press against the pressing protrusion 1132 to drive the pressing rod sleeve 113 to move in a direction away from the movable baffle 92. When pellet pressing is completed, the pellet pressing driving member 111 drives the pressing rod 112 to move in a direction away from the rotating table 8. By providing the pellet pressing flange 1123, the pressing protrusion 1132 and the limiting protrusion 1141, the pressing rod sleeve 113 and the guide sleeve 114 can be reset together with the movement of the pressing rod 112, which is more convenient to use.

[0095] In this embodiment, the pelletizing drive 111 is connected to a plurality of pelletizing heads 110 via a fixed plate 116, that is, the ends of the rods 1121 in the plurality of pelletizing heads 110 away from the pelletizing flange 1123 are all connected to the fixed plate 116, so as to simultaneously drive the plurality of pelletizing heads 110 to move vertically. The pelletizing drive 111 can adopt a drive device such as an oil cylinder, which belongs to the prior art and will not be described here for the sake of space saving. In this embodiment, the cross-sections of the guide portion 813 and the pelletizing portion 811 are both circular, and the maximum diameter of the guide portion 813 is about 3 cm, and the diameter of the pelletizing portion 811 is 0.3 cm-0.8 cm. It can be understood that it can also be changed according to the size of the pelletized feed to be pressed.

[0096] The scraper 12 is installed on the mounting frame 7 and is located above the fixed baffle 91 and the rotating table 8, so as to scrape the grass balls 600 on the top surface of the rotating table 8 into a plurality of pelletizing channels 81 when the rotating table 8 rotates. The distance between the scraper 12 and the top surface of the rotating table 8 should not be greater than the diameter of the grass balls 600, so as to facilitate pushing the grass balls 600 on the top surface of the rotating table 8 into the pelletizing channels 81. When the rotating table 8 is stationary, the pelletizing channels 81 of one pelletizing area face the movable baffle 92 and the pelletizing mechanism 11, and the pelletizing channels 81 of the other pelletizing areas face the fixed baffle 91, so as to receive the grass balls 600.

[0097] Please see again Figure 1 In this embodiment, the forage cutting device 100, the grass ball kneading device 200 and the pelletizing device 300 are connected by a transmission device 400 to realize automatic transmission of the forage, thereby further improving production efficiency. The transmission device 400 can be a belt transmission device, etc., and its structure belongs to the prior art, so it will not be described here for the sake of space.

[0098] The present invention also provides a method for preparing pelleted feed for ruminants, comprising the following steps:

[0099] S1: Provide the above-mentioned ruminant pellet feed production line;

[0100] S2: The grass cutting device 100 cuts the grass into grass strips with a length of 7 cm-10 cm, a width of 0.1 cm-0.5 cm, and a height of 0.5 cm-1 cm.

[0101] In this embodiment, step S2 specifically includes:

[0102] S21: The forage is conveyed toward the cutting mechanism 2 through the feeding mechanism 1. In this step, when the forage is placed on the feeding mechanism 1, the length direction of the forage should be parallel to the conveying direction of the feeding mechanism 1.

[0103] S22: The grass material transmitted from the feeding mechanism 1 is transmitted toward the flattening roller assembly 24 through the feeding roller assembly 22 .

[0104] S23: When the flattening roller assembly 24 bites the grass delivered by the feed roller assembly 22, the grass is cut along the first direction Y by the transverse cutting knife assembly 23 to obtain grass segments with a length of 7 cm-10 cm, and the cut grass segments are delivered to the longitudinal cutting assembly 25 by the flattening roller assembly 24. When the grass passes through the flattening roller assembly 24, the height is flattened to 0.5 cm-1 cm by the flattening roller assembly 24. It can be understood that in step S23, a proximity switch (not shown) can be set on the fixed frame 21 near the flattening roller assembly 24 to detect whether the grass is delivered to the flattening roller assembly 24. This belongs to the prior art and will not be described here for the sake of space.

[0105] S24: The flattened grass segments are cut in the second direction Y by the longitudinal cutting assembly 25 to obtain grass strips 500 with a width of 0.1 cm-0.5 cm.

[0106] S3: The cut grass strips are allowed to enter the kneading space 53 surrounded by the bottom plate 4 and the kneading board 5 through the feed port 51 , and the grass strips fall toward the discharge port 52 under gravity, and are kneaded into grass balls 600 by the bottom plate 4 and the kneading board 5 .

[0107] S4: The grass ball 600 is made into pellet feed by the pelletizing device 300.

[0108] In this embodiment, step S4 specifically includes:

[0109] S41: The rotary drive mechanism 10 drives the rotating table 8 to rotate intermittently, so that the kneaded grass ball 600 falls into the pelletizing area directly opposite to the fixed baffle 91. In this embodiment, the rotary drive mechanism 10 drives the rotating table 8 to rotate 90° and then stops, and then the kneaded grass ball 600 falls into the first pelletizing area 83. During this process, part of the grass ball 600 falls into the guide part 813 of the pelletizing channel 81 of the pelletizing area, and part of the grass ball 600 may accumulate on the top surface of the rotating table 8. It can be understood that in other embodiments, a guide hopper (not shown) can be fixed above the first pelletizing area 83 to facilitate the introduction of the grass ball 600 into the pelletizing area 83. The guide hopper is connected to the mounting frame 7, and its structure belongs to the prior art. In order to omit space, it will not be repeated here. The rotary drive mechanism 10 drives the rotating table 8 to rotate intermittently, which belongs to the prior art. In order to omit space, it will not be repeated here.

[0110] S42: When the rotating table 8 passes the scraper 12, the scraper 12 scrapes the grass balls 600 accumulated on the top surface of the rotating table 8 into the guide portion 813 of the pelletizing channel 81, thereby ensuring that the grass balls 600 smoothly enter the pelletizing channel 81, and each pelletizing channel 81 only accommodates one grass ball 600, and the excess grass balls 600 enter the next pelletizing area as the rotating table 8 rotates;

[0111] S43: When the rotating table 8 is stationary, the bottom opening of the pelletizing channel 81 of one pelletizing zone faces the movable baffle 92 and is blocked by the movable baffle 92 to enclose a pelletizing space together with the pelletizing channel 81, and the top opening of the pelletizing channel 81 in the pelletizing zone faces the pelletizing mechanism 11; the bottom openings of the pelletizing channels 81 of the remaining pelletizing zones face the fixed baffle 91 and are blocked by the movable baffle 92 to prevent the grass ball 600 from accidentally falling from the pelletizing channel 81;

[0112] S44: The pelletizing driving member 111 drives the plurality of pelletizing heads 110 to move toward the pelletizing channel 81, so that the pelletizing heads 110 enter the pelletizing portion 811 through the guide portion 813, so as to push the grass ball 600 in the guide portion 813 into the pelletizing portion 811, and the grass ball 600 is pressed into pellet feed 700 under the cooperation of the pelletizing heads 110 and the movable baffle 92. In this embodiment, the pelletized feed has a diameter of about 0.3 cm to 0.8 cm and a length of about 1.0 cm to 2.0 cm.

[0113] S45: After pelletizing is completed, the sliding drive member 93 drives the movable baffle 92 away from the rotating table 8 to open the pelletizing channel 81, and the pelletizing drive member 111 drives the plurality of pelletizing heads 110 to continue to move downward until the pellet feed 700 is pushed out of the rotating table 8 through the bottom opening of the pelletizing channel 81, thereby completing the unloading.

[0114] S46: After the unloading is completed, the rotary drive mechanism 10 drives the rotating table 8 to continue rotating, and the above steps are repeated until all the grass balls 600 are pressed.

[0115] In step S4 , the grass ball 600 may be mixed with other feed components, such as corn meal, soybean meal, etc., and then compressed in the pelletizing device 300 .

[0116] In the above method, the straw or other forages used to make the grass balls 600 can be hay or fresh straw, etc. The moisture content of the forages used for pelleting is required to be controlled below 25%, otherwise the pellets cannot be formed.

[0117] When the grass ball kneading device 200 is used, the cut grass strips 500 are introduced into the kneading space 53 from the feed port 51. Since the bottom plate 4 and the kneading plate 5 are both inclined, the grass strips 500 fall toward the discharge port 52 under the action of gravity, and are kneaded into grass balls 600 by the bottom plate 4 and the kneading plate 5. By kneading the grass strips 500, the long grass strips 500 can be kneaded into smaller grass balls 600 without crushing or cutting the long grass strips 500, thereby ensuring that the straw and other grass feeds are palatable, and the long grass strip fibers in the grass balls 600 can meet the digestion needs of ruminants.

[0118] The above-mentioned grass ball kneading device 200, the kneading plate 5 and the bottom plate 4 together form a kneading space 53 with a feed inlet 51 and a discharge port 52. After the grass enters the kneading space 53, it is kneaded into a grass ball 600 by the kneading plate 5. It can not only knead the grass strips 500 during transportation, so that the kneading process of the grass ball 600 can be carried out continuously, which is beneficial to improving production efficiency, but also has a simple structure, which is beneficial to reducing equipment costs; the grass strips 500 are transported by relying on their own gravity, and no additional conveying equipment is required, which is beneficial to further reducing equipment costs.

[0119] The above-mentioned ruminant pellet feed production line also presses the grass ball 600 into pellet feed 700 through the pellet pressing device 300. Compared with the grass ball feed, the pellet feed has a smaller oxidation area, is not easy to mold, can be stored for a longer time, and after being prepared into pellet feed, it has a higher density, occupies a smaller volume, is easier to transport, and is more convenient for daily feeding operations and for preparing a complete mixed diet.

[0120] The pelletizing device 300 is provided with a rotating table 8, a pelletizing mechanism 11, a scraper 12 and a baffle mechanism 9. A plurality of pelletizing areas are arranged at intervals on the rotating table 8. By rotating the rotating table 8, one of the pelletizing areas can be loaded, and the pelletizing mechanism 11 is used to perform a pressing operation on the other pelletizing area, and the grass is scraped into the pelletizing channel 81 of the pelletizing area by the scraper 12, so that the loading and pressing steps are performed continuously, which greatly improves the production efficiency, saves manpower and reduces the cost. At the same time, the pressing operation is performed by the pelletizing head 110, and compared with the pelletizing machine that uses the minced meat method for pelletizing, it will not break the grass, and can ensure that the pellet feed obtained has long fibers to meet the digestion needs of ruminants. After the pressing is completed, the pelletizing channel 81 is opened by the baffle mechanism 9, and the pelletizing mechanism 11 can also push the pressed pellet feed out of the pelletizing channel 81, without the need for a separate unloading mechanism, which is convenient to use and helps to reduce costs.

[0121] The pelletizing device 300 described above has a pelletizing channel 81 comprising a pelletizing portion 811 and a guide portion 813 which are interconnected. The cross-sectional area of ​​the guide portion 813 gradually increases in the direction away from the pelletizing portion 811, which is more conducive to receiving the grass ball 600. The pelletizing head 110 comprises a pressing rod 112, a pressing rod sleeve 113 and a guide sleeve 114 which are slidably sleeved in sequence. When in use, the guide sleeve 114 and the pressing rod sleeve 113 are in sequence against the side wall of the guide portion 813, and finally the pressing rod 112 is in sliding contact with the side wall of the pelletizing area. The multi-layer pressing rod 112 structure prevents the pressing rod 112 from passing through the grass ball 600 during the pelletizing process, and the pressing rod 112 cannot smoothly push the grass ball 600 into the pelletizing portion 811, thereby resulting in the inability to press the grass ball 600 into pelletized feed.

[0122] The above-mentioned forage cutting device 100, its cutting mechanism 2 includes a transverse cutting knife assembly 23, a flattening roller assembly 24 and a longitudinal cutting assembly 25. The transverse cutting knife assembly 23 can cut the forage along the length direction of the forage, so as to cut the forage into a required length size range. The flattening roller assembly 24 can flatten the cut forage to flatten the forage into a required height size range. The longitudinal cutting assembly 25 can cut the forage in the width direction, so as to cut the forage into a required width size range. Therefore, through the forage cutting device 100, the forage can be cut into a required size range, so that the forage size is more uniform, which is convenient for consumption and preparation of subsequent feed.

[0123] Since the grass becomes soft after being flattened by the flattening roller assembly 24, which is not conducive to the transverse cutting operation of the transverse cutting knife assembly 23, the grass cutting device 100 in this embodiment arranges the transverse cutting knife assembly 23 in front of the flattening roller assembly 24, and arranges the longitudinal cutting assembly 25 behind the flattening roller assembly 24. This will not affect the transverse cutting operation of the transverse cutting knife assembly 23, and the grass that becomes soft after being flattened is more conducive to the longitudinal tearing operation of the longitudinal cutting assembly 25.

[0124] It can be understood that the rotating platform 8 can also be rotatably connected to the fixed baffle 91.

[0125] It can be understood that the number of pelletizing zones is not limited to the present embodiment, and may also be set to three or other numbers as required.

[0126] It can be understood that the number of the reset members 58 is not limited to the present embodiment, and can also be set to other numbers as required.

[0127] It can be understood that the movable baffle 92 can also be movably connected to the fixed baffle 91 by sliding or rotating, etc., as long as the pellet pressing channel 81 of the corresponding pellet pressing area can be closed or opened.

[0128] It can be understood that the sliding drive member 93 can be omitted. In this case, the movable baffle 92 can be moved manually to open the pelletizing channel 81 for unloading.

[0129] The above description is a detailed description of the preferred feasible embodiments of the present invention, but the embodiments are not intended to limit the scope of the patent application of the present invention. All equivalent changes or modified changes completed under the technical spirit suggested by the present invention should fall within the patent scope covered by the present invention.

Claims

1. A ruminant pellet feed production line, characterized by: The invention comprises a grass cutting device (100), a grass ball kneading device (200) and a pellet pressing device (300). The grass cutting device (100) comprises a feeding mechanism (1) and a cutting mechanism (2). The cutting mechanism (2) comprises a fixing frame (21), a feeding roller assembly (22), a transverse cutting knife assembly (23), a flattening roller assembly (24) and a longitudinal cutting assembly (25). The feeding roller assembly (22), the transverse cutting knife assembly (23), the flattening roller assembly (24) and the longitudinal cutting assembly (25) are sequentially mounted on the fixing frame (21) along the conveying direction of the feeding mechanism (1). ) on the feed mechanism (1); the feed roller assembly (22) is used to transfer the grass delivered by the feed mechanism (1) to the flattening roller assembly (24); the transverse cutting knife assembly (23) is used to cut the grass in a first direction, the first direction being perpendicular to the delivery direction of the feed mechanism (1); the flattening roller assembly (24) is used to flatten the cut grass and transfer the flattened grass to the longitudinal cutting assembly (25); the longitudinal cutting assembly (25) is used to cut the grass in a second direction to form a plurality of grass strips, the second direction being parallel to the delivery direction of the feed mechanism (1); The grass ball kneading device (200) comprises a frame (3), a bottom plate (4), a kneading plate (5) and a kneading driving member (6), wherein the bottom plate (4) is connected to the frame (3), the kneading plate (5) is located above the bottom plate (4) and together with the bottom plate (4) forms a kneading space (53) having a feed inlet (51) and a discharge outlet (52), the feed inlet (51) and the discharge outlet (52) being arranged opposite to each other, the bottom plate (4) and the kneading plate (5) are both arranged at an angle so that the feed inlet (51) is located above the discharge outlet (52), and the feed inlet (51) is used to receive grass strips cut by the grass cutting device (100); the kneading driving member (6) is mounted on the frame (3) and connected to the kneading plate (5) so as to drive the kneading plate (5) to revolve around an axis of revolution parallel to the normal direction of the kneading plate (5) so as to knead the grass strips into grass balls; The pelletizing device (300) is capable of receiving the grass balls and pressing the grass balls into pellets. The pelletizing device (300) comprises: Mounting frame (7); A rotating table (8) for receiving the grass balls, the rotating table (8) being rotatably mounted on the mounting frame (7) via a rotating shaft, a plurality of pellet pressing areas being arranged around the rotating shaft on the rotating table (8), and a plurality of pellet pressing channels (81) being opened through each pellet pressing area; The baffle mechanism (9) comprises a fixed baffle (91) and a movable baffle (92), wherein the fixed baffle (91) and the movable baffle (92) are both disposed below the pellet pressing passage (81), the fixed baffle (91) is connected to the mounting frame (7), and the movable baffle (92) is movably connected to the mounting frame (7) or the fixed baffle (91) to open or close the pellet pressing passage (81); A rotary drive mechanism (10), the rotary drive mechanism (10) being connected to the rotary table (8) to drive the rotary table (8) to perform intermittent rotation; The pelletizing mechanism (11) is located above the rotating table (8) and opposite to the movable baffle (92), and comprises a pelletizing driving member (111) mounted on the mounting frame (7) and a plurality of pelletizing heads (110) connected to the pelletizing driving member (111), wherein the number of the pelletizing heads (110) is the same as the number of the pelletizing channels (81) of a pelletizing zone, and under the drive of the pelletizing driving member (111), the plurality of pelletizing heads (110) can move in a vertical direction to cooperate with the pelletizing channels (81) of a pelletizing zone; and A scraper (12), the scraper (12) being mounted on the mounting frame (7) and used for scraping grass balls on the top surface of the rotating table (8) into the pelletizing channel (81) when the rotating table (8) rotates; When the rotating platform (8) is stationary, the pelletizing channel (81) of one pelletizing zone faces the movable baffle (92) and the pelletizing mechanism (11), and the pelletizing channels (81) of the remaining pelletizing zones face the fixed baffle (91).

2. The ruminant pellet feed production line according to claim 1, characterized in that: The pellet pressing channel (81) comprises a pellet pressing portion (811) and a guide portion (813) which are interconnected. The guide portion (813) is located above the pellet pressing portion (811). The side wall of the guide portion (813) is arranged to be inclined so that the cross-sectional area of ​​the guide portion (813) gradually increases in a direction away from the pellet pressing portion (811). The pellet pressing head (110) comprises a pressing rod (112), a pressing rod sleeve (113) and a guide sleeve (114) which are slidably sleeved in sequence. The pressing rod (112) and the pressing rod sleeve (113) can abut against the side wall of the guide portion (813) in sequence. The pressing rod (112) can be in slidable contact with the side wall of the pellet pressing portion (811). The end of the pressing rod (112) away from the rotating table (8) is connected to the pellet pressing driving member (111).

3. A method for preparing pelleted feed for ruminants, characterized in that: The following steps are involved: S1: providing a ruminant pellet feed production line as claimed in claim 1; S2: Cutting the grass into grass strips with a length of 7 cm to 10 cm, a width of 0.1 cm to 0.5 cm, and a height of 0.5 cm to 1 cm by using a grass cutting device (100); S3: allowing the cut grass strips to enter the kneading space (53) enclosed by the bottom plate (4) and the kneading board (5) through the feed port (51), and the grass strips fall downward due to their own gravity, and are kneaded into grass balls by the bottom plate (4) and the kneading board (5); S4: The grass balls are made into pellet feed by a pelletizing device (300).

4. The method for preparing pelleted feed for ruminants according to claim 3, characterized in that: Step S2 includes the following steps: S21: The feeding mechanism (1) transmits the grass material toward the cutting mechanism (2); S22: The grass material delivered by the feeding mechanism (1) is delivered to the flattening roller assembly (24) via the feeding roller assembly (22); S23: when the flattening roller assembly (24) bites the grass delivered by the feeding roller assembly (22), the grass is cut in the first direction by the transverse cutting knife assembly (23) to obtain grass segments with a length of 7 cm-10 cm, and the cut grass segments are conveyed in the direction of the longitudinal cutting assembly (25) by the flattening roller assembly (24). When the grass segments pass through the flattening roller assembly (24), they are flattened to a height of 0.5 cm-1 cm by the flattening roller assembly (24); S24: Cutting the flattened grass segments in the second direction by means of a longitudinal cutting assembly (25) to obtain grass strips with a width of 0.1 cm to 0.5 cm.

5. The method for preparing pelleted feed for ruminants according to claim 3, characterized in that: Step S4 includes: S41: the rotary drive mechanism (10) drives the rotary table (8) to rotate intermittently, so that the kneaded grass balls fall into the pelletizing area directly opposite to the fixed baffle (91); S42: When the rotating table (8) passes the scraper (12), the scraper (12) scrapes the grass balls accumulated on the surface of the rotating table (8) into the pelletizing channel (81); S43: When the rotating table (8) is stationary, the bottom opening of the pelletizing channel (81) in one pelletizing zone faces the movable baffle (92) and is blocked by the movable baffle (92) to enclose a pelletizing space together with the pelletizing channel (81), and the top opening of the pelletizing channel (81) in the pelletizing zone faces the pelletizing mechanism (11); the bottom openings of the pelletizing channels (81) in the remaining pelletizing zones face the fixed baffle (91) and are blocked by the movable baffle (92) to prevent the grass balls from accidentally falling from the pelletizing channels (81); S44: the pelletizing driving member (111) drives a plurality of pelletizing heads (110) to move toward the pelletizing channel (81), and the pelletizing heads (110) cooperate with the movable baffle (92) to press the grass balls into pelletized feed; S45: After pelleting is completed, the movable baffle (92) is moved away from the rotating table (8) to open the pelleting channel (81), and the pelleting driving member (111) drives the plurality of pelleting heads (110) to continue to move downward until the pellet feed is pushed out of the rotating table (8) through the bottom opening of the pelleting channel (81), thereby completing the unloading; S46: Repeat steps S41-45 until all grass balls are suppressed.

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