Grass cutting and crushing machine

Abstract

The utility model discloses a chopping and crushing machine, which belongs to the technical field of agricultural processing and is mainly used for material processing. The technical problem to be solved by the utility model is to provide a derusting device which is mainly used for derusting a steel bar mechanical connector and comprises a rack, a shell, a cutterhead and a driving mechanism for driving the cutterhead to rotate, and the shell is communicated with a chopping feed hopper and a second feed hopper; a connecting shaft is arranged in the center of the cutter head, a first disc and a second disc are arranged on the connecting shaft at intervals, first supporting plates extending outwards along the diameter of the first disc are arranged in the circumferential direction of the first disc, and second supporting plates corresponding to the first supporting plates one by one are arranged on the second disc. A connecting column is arranged between each group of corresponding first supporting plate and second supporting plate, a hammer piece rotating with the connecting column as a rotating shaft is arranged on each connecting column in a penetrating mode, and sawteeth are arranged in the circumferential direction of each hammer piece. By additionally arranging the first disc, the second disc and the hammers, cutting and smashing of materials can be completed on the same equipment, the production efficiency is improved, and the cutting and smashing effects of the materials are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural processing technical field, especially a kind of grass chopper. BACKGROUND

[0002] In household farm machinery, often utilize grass chopper to corn stalk, wheat straw, straw and other crops are cut, cut etc., in order to be used for livestock breeding cattle, sheep, horse, deer feed production after cutting section;Existing grass chopper includes rack, shell set on rack, feed inlet connected with shell and located below the discharge outlet of shell, cutterhead rotationally arranged in shell, grass cutting knife fixed on cutterhead and driving mechanism for driving cutterhead rotation;But due to the high hardness of corn stalks, small section of round bar still exists after processing by grass chopper, cannot be directly fed and is not suitable for feed production, need to be smashed by using pulverizer;And now feed production not only needs forage, but also needs dry feed, and before dry feed and forage are mixed and fermented, dry feed needs to be smashed, so as to facilitate mixing and stirring fermentation, change the nutrient structure of feed, improve the absorption rate and conversion rate of feed.

[0003] But existing grass chopper and pulverizer are mostly two independent devices, in use process, forage cut by grass chopper needs to be put into pulverizer again for smashing, and then dry feed is smashed and collected, its process is complex, and the land area of two devices is large, straw forage treated by grass chopper needs to be put into pulverizer for processing again, production efficiency is low, and energy consumption increases. INVENTION CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a grass chopper and pulverizer, mainly used for material processing, to cut and smash material, improve production efficiency.

[0005] The utility model discloses a kind of grass chopper and pulverizer, including rack, shell set on rack, cutterhead rotationally arranged in shell and driving mechanism for driving cutterhead rotation, the shell is connected with the grass cutting feed hopper of discharge outlet and cutterhead corresponding on shell;Second feed hopper is also connected on the shell, the discharge outlet of second feed hopper is located at the side of the discharge outlet of grass cutting feed hopper;The center of cutterhead is equipped with the connecting shaft perpendicular to cutterhead, first disc and second disc are intervally arranged on the connecting shaft, the circumferential interval of first disc is equipped with the first branch plate extending outward along the diameter of first disc, the circumferential interval of second disc is equipped with the second branch plate corresponding with first branch plate one by one;Connecting column is equipped between each group of corresponding first branch plate and second branch plate, hammer piece is arranged on the connecting column and rotates around connecting column as pivot, sawtooth is arranged on the circumference of hammer piece.

[0006] Further, the first baffle for closing the discharge port of the forage cutting feed hopper is movably connected to the shell, and the second baffle for closing the discharge port of the second feed hopper is movably connected to the shell.

[0007] Further, a positioning pin hole is formed in each first supporting plate, a through hole corresponding to the positioning pin hole is formed in each hammer blade, and a positioning pin is arranged in the positioning pin hole and the through hole.

[0008] Further, the second disc is detachably arranged on the connecting shaft, and the second supporting plate is detachably arranged on the connecting column.

[0009] Further, the length of the second supporting plate is smaller than the length of the first supporting plate.

[0010] Further, the first disc is provided with a fan blade arranged along the diameter of the first disc, the fan blade is in an L shape and extends perpendicularly to the first disc to the second disc on one side.

[0011] Further, a protective cover is detachably arranged on the side of the shell away from the cutter head, and the protective cover is in a mesh shape.

[0012] Further, the shell is in an octagonal shape.

[0013] Further, a roller is arranged below the rack.

[0014] The forage cutting and crushing machine has the advantages that the first disc and the second disc are driven to rotate in the shell by the cutter head, the blades on the cutter head cut the materials in the rotating process, the hammer blades arranged between the first disc and the second disc rotate with the cutter head, the materials in the shell are crushed by the circumferential sawteeth of the hammer blades, the hammer blades rotate around the connecting column, the crushing range of the hammer blades is enlarged, the crushing effect of the materials is improved, the first supporting plates arranged circumferentially on the first disc can also cut the materials again in the rotating process of the cutter head, the cutting effect is improved, the same equipment can complete the cutting and crushing of the materials, the production efficiency is improved, and the cutting and crushing effects of the materials are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The forage cutting and crushing machine provided by the utility model has the advantages that the first disc and the second disc are driven to rotate in the shell by the cutter head, the blades on the cutter head cut the materials in the rotating process, the hammer blades arranged between the first disc and the second disc rotate with the cutter head, the materials in the shell are crushed by the circumferential sawteeth of the hammer blades, the hammer blades rotate around the connecting column, the crushing range of the hammer blades is enlarged, the crushing effect of the materials is improved, the first supporting plates arranged circumferentially on the first disc can also cut the materials again in the rotating process of the cutter head, the cutting effect is improved, the same equipment can complete the cutting and crushing of the materials, the production efficiency is improved, and the cutting and crushing effects of the materials are ensured.

[0016] Figure 2 The forage cutting and crushing machine provided by the utility model has the advantages that the first disc and the second disc are driven to rotate in the shell by the cutter head, the blades on the cutter head cut the materials in the rotating process, the hammer blades arranged between the first disc and the second disc rotate with the cutter head, the materials in the shell are crushed by the circumferential sawteeth of the hammer blades, the hammer blades rotate around the connecting column, the crushing range of the hammer blades is enlarged, the crushing effect of the materials is improved, the first supporting plates arranged circumferentially on the first disc can also cut the materials again in the rotating process of the cutter head, the cutting effect is improved, the same equipment can complete the cutting and crushing of the materials, the production efficiency is improved, and the cutting and crushing effects of the materials are ensured.

[0017] Figure 3 The forage cutting and crushing machine provided by the utility model has the advantages that the first disc and the second disc are driven to rotate in the shell by the cutter head, the blades on the cutter head cut the materials in the rotating process, the hammer blades arranged between the first disc and the second disc rotate with the cutter head, the materials in the shell are crushed by the circumferential sawteeth of the hammer blades, the hammer blades rotate around the connecting column, the crushing range of the hammer blades is enlarged, the crushing effect of the materials is improved, the first supporting plates arranged circumferentially on the first disc can also cut the materials again in the rotating process of the cutter head, the cutting effect is improved, the same equipment can complete the cutting and crushing of the materials, the production efficiency is improved, and the cutting and crushing effects of the materials are ensured.

[0018] Fig. 1 - rack; 11 - housing; 12 - driving mechanism; 13 - roller; 14 - discharge hopper; 15 - discharge port; 2 - grass feeding hopper; 21 - discharge port of grass feeding hopper; 22 - first baffle; 3 - second feeding hopper; 31 - discharge port of second feeding hopper; 32 - second baffle; 33 - mounting seat; 34 - connecting channel; 4 - cutter head; 41 - connecting shaft; 411 - bolt; 42 - first disc; 421 - first branch plate; 422 - positioning pin hole; 43 - second disc; 431 - second branch plate; 44 - connecting column; 441 - bolt; 45 - hammer; 451 - sawtooth; 452 - through hole; 46 - fan blade; 5 - protective cover. DETAILED DESCRIPTION

[0019] The utility model is further explained below.

[0020] The utility model provides a grass cutting pulverizer, mainly used for material processing, namely the crushing of forage and granular material, comprising a rack 1, a housing 11 arranged on the rack 1, a cutter head 4 rotatably arranged in the housing 11 and a driving mechanism 12 for driving the cutter head 4 to rotate, a grass feeding hopper 2 corresponding to the cutter head 4 is arranged on the housing 11 in communication with the discharge port, a second feeding hopper 3 is also arranged on the housing 11 in communication, and the discharge port 31 of the second feeding hopper is located on one side of the discharge port 21 of the grass feeding hopper, the center of the cutter head 4 is provided with a connecting shaft 41 perpendicular to the cutter head 4, the connecting shaft 41 is provided with a first disc 42 and a second disc 43 at intervals, the first disc 42 is provided with a first branch plate 421 extending outward along the diameter of the first disc 42 at intervals in the circumferential direction, the second disc 43 is provided with a second branch plate 431 corresponding to the first branch plate 421 one by one in the circumferential direction, a connecting column 44 is arranged between each corresponding first branch plate 421 and second branch plate 431, a hammer 45 is arranged on the connecting column 44 to rotate around the connecting column 44 as the rotation axis, and the hammer 45 is provided with a sawtooth 451 in the circumferential direction.

[0021] As Figures 1-3As shown, the straw cutter includes a rack 1, the rack 1 is provided with a shell 11, the shell 11 is provided with a cutter head 4, the cutter head 4 can adopt the cutter head 4 in the existing straw cutter, specifically including a rotating disc and a blade extending outward along the diameter of the rotating disc, or adopt the cutter head 4 structure as recorded in CN204796238U Straw cutter cutter head 4 assembly; The driving mechanism 12 can utilize the existing motor, the output end of the motor can be directly connected with the rotating shaft of the cutter head 4 to drive the cutter head 4 to rotate, the output end of the motor and the rotating shaft of the cutter head 4 are connected through a belt transmission, a straw feeding hopper 2 is arranged on the shell 11, specifically the discharge port 21 of the straw feeding hopper needs to correspond to the cutter head 4, so that the crops input from the straw feeding hopper 2 can be directly connected with the blade on the cutter head 4, so as to cut them; In order to make the dry feed enter the straw cutter for crushing while not affecting the straw material to enter the straw cutter, such as Figure 1The second feed hopper 3 is also connected to the shell 11, and the discharge port 31 of the second feed hopper is located on one side of the discharge port 21 of the forage cutting feed hopper. In this way, the feeding of the forage cutting feed hopper 2 is not disturbed, and the material output from the discharge port 31 of the second feed hopper can directly contact the hammer blade 45 arranged on the connecting column 44, and the material is crushed by the serrations 451 on the hammer blade 45, ensuring the crushing effect. The first disc 42 and the second disc 43 are arranged on the side of the cutter head 4 away from the shell 11 through the connecting shaft 41 arranged at the center of the cutter head 4. The first disc 42 and the second disc 43 can rotate with the cutter head 4 to crush the material cut by the cutter head 4 using the hammer blade 45 arranged between the first disc 42 and the second disc 43. At the same time, the first disc 42 and the second disc 43 are arranged at intervals to facilitate the subsequent installation of the hammer blade 45. The first disc 42 is circumferentially spaced apart and has first support plates 421 extending outward along the diameter of the first disc 42. The first support plates 421 are arranged in multiple and uniform intervals around the circumference of the first disc 42. The second disc 43 is provided with second support plates 431 corresponding to the first support plates 421 one by one. Each set of corresponding first support plates 421 and second support plates 431 is provided with a connecting column 44. The connecting column 44 penetrates the second support plate 431 and connects with the first support plate 421. The connection mode can be welding or detachable connection. A plurality of hammer blades 45 are arranged on the connecting column 44, and the circumference of the hammer blade 45 is provided with serrations 451. The hammer blade 45 is rotatably arranged on the connecting column 44, so that during the rotation of the first disc 42, the hammer blade 45 can rotate around the connecting column 44 as the rotation shaft to crush the material in the shell 11. The forage crusher drives the first disc 42 and the second disc 43 to rotate together in the shell 11 through the cutter head 4. During rotation, the blades on the cutter head 4 cut the material, and the hammer blade 45 arranged between the first disc 42 and the second disc 43 rotates around the connecting column 44 while rotating with the cutter head 4. Then, the serrations 451 on the circumference of the hammer blade 45 crush the material in the shell 11. At the same time, the hammer blade 45 rotates around the connecting column 44 to expand the crushing range of the hammer blade 45 and improve the crushing effect of the material. The first support plates 421 arranged circumferentially on the first disc 42 can also serve as cutting components to cut the material again during the rotation of the cutter head 4, improving the cutting effect. The same device can complete the cutting and crushing of the material, improving the production efficiency and ensuring the cutting and crushing effect of the material. The number of the above-mentioned first support plates 421 can be set to four, and the blades on the cutter head 4 are arranged at intervals to provide mounting points for the hammer blades 45 while ensuring that the cut material can enter the crushing area of the hammer blades 45 through the gap between adjacent first support plates 421. The connection mode between the hammer blade 45 and the connecting column 44 can adopt the shaft hole connection mode.

[0022] In order to adjust the feeding amount of the material, avoid the simultaneous feeding of the hay feeding hopper 2 and the second feeding hopper 3 arranged on the shell 11, and avoid the material from flowing into the unused feeding hopper during the material crushing process, the first baffle 22 for closing the discharge port 21 of the hay feeding hopper is arranged between the hay feeding hopper 2 and the shell 11, and the first baffle 22 is movably connected to the shell 11; the second baffle 32 for closing the discharge port 31 of the second feeding hopper is arranged between the second feeding hopper 3 and the shell 11, and the second baffle 32 is movably connected to the shell 11; as shown in Figure 1 , the hay feeding hopper 2 is arranged on one side of the shell 11, and the discharge port 21 of the hay feeding hopper corresponds to the cutter head 4; the first baffle 22 is movably arranged on the shell 11, and specifically, the first baffle 22 is arranged to be movable up and down at the connecting position of the shell 11 and the hay feeding hopper 2, and the opening and closing of the discharge port 21 of the hay feeding hopper are realized by moving the first baffle 22 up and down; since the discharge port 31 of the second feeding hopper is located on one side of the discharge port 21 of the hay feeding hopper, in order to avoid the collision between the second baffle 32 and the first baffle 22, as shown in Figure 3 , the second feeding hopper 3 comprises a mounting seat 33 connected to the rack 1, a hopper arranged above the mounting seat 33, and a connecting channel 34 connected to the lower end of the hopper at one end and connected to the inside of the shell 11 at the other end; the second baffle 32 is arranged to be movable left and right at the connecting position of the mounting seat 33 and the connecting channel 34, and the opening and closing of the discharge port 31 of the second feeding hopper are realized by moving the second baffle 32 left and right; when the mixed feed is made, the first baffle 22 and the second baffle 32 are arranged to effectively control the entering amount of the material, and then the proportion of the straw material and the dry feed is controlled.

[0023] In order to control the crushing degree of the hammer 45 on the material, the number of the hammer 45 rotating along the connecting column 44 is controlled, and then the crushing degree of the hammer 45 on the material is controlled; as shown in Figure 2 , a positioning pin hole 422 is arranged on each first branch plate 421, a through hole 452 corresponding to the positioning pin hole 422 is arranged on each hammer 45, and a positioning pin is arranged to pass through the positioning pin hole 422 and the through hole 452 in sequence; the hammer 45 is fixedly connected to the first branch plate 421 through the positioning pin, so that the hammer 45 cannot rotate around the connecting column 44 any more, but rotates with the first disc 42, that is, the crushing degree of the hammer 45 on the material is controlled, and the vibration and noise are also reduced; after the hammer 45 is fixedly connected to the first branch plate 421 through the positioning pin, the straw crops can also be cut, and since the sawtooth 451 is arranged around the hammer 45, the straw crops can also be crushed.

[0024] In order to increase or decrease the number of hammers 45 arranged on the connecting column 44 according to the required crushing degree of the material, and to ensure the crushing effect, the second disc 43 is detachably arranged on the connecting shaft 41, and the second supporting plate 431 is detachably arranged on the connecting column 44. Specifically, the end of the connecting shaft 41 away from the first disc 42 is provided with a threaded section with a smaller diameter than the connecting shaft 41, the central hole of the second disc 43 has a diameter that is adapted to the threaded section and smaller than the diameter of the connecting shaft 41, the second disc 43 is arranged on the threaded section, and the second disc 43 is installed on the threaded section by arranging a bolt that is adapted to the threaded section. When the second disc 43 needs to be detached, the bolt is simply unscrewed, thereby achieving the detachable connection of the second disc 43 and the connecting shaft 41. Alternatively, the central hole of the second disc 43 can be opened as a threaded hole that is adapted to the threaded section, and the detachable connection of the second disc 43 and the connecting shaft 41 is achieved by screwing the second disc 43. The end of each connecting column 44 away from the first supporting plate 421 is provided with two adjacent through holes, the second supporting plate 431 is arranged between the two through holes, and the detachable connection of the second supporting plate 431 and the connecting column 44 is achieved by using the latch 441 in cooperation with the through holes. Alternatively, the end of each connecting column 44 away from the first supporting plate 421 is provided as a threaded section, two bolts are arranged on the threaded section, and the second supporting plate 431 is arranged between the two bolts to achieve the detachable connection between the second supporting plate 431 and the connecting column 44.

[0025] In order to prevent the material after being hit by the hammer 45 from being blocked by the second supporting plate 431, and to improve the crushing effect by repeatedly crushing and hitting the material, as shown in Figure 2 , the length of the second supporting plate 431 is smaller than the length of the first supporting plate 421. The length of the second supporting plate 431 is smaller than the length of the first supporting plate 421, so that the crushing effect of the straw-like material is not affected by the fact that the straw-like material cannot be inserted.

[0026] In order to accelerate the ejection of the material and the uniform distribution and air circulation of the material during the crushing process, and to improve the crushing efficiency, as shown in Figure 1 , Figure 2As shown, the first disc 42 is provided with a fan blade 46 extending outward along the diameter of the first disc 42, the fan blade 46 is L-shaped and one side extends perpendicularly to the first disc 42 to the second disc 43; by setting the fan blade 46 on the first disc 42, the fan blade 46 rotates with the first disc 42, thereby driving the airflow circulation inside the shell 11, and after the cutter head 4 and the hammer 45 cut and crush the material, the material can be moved with the airflow and discharged from the discharge port 15 below the shell 11; meanwhile, the L-shaped fan blade 46 can also assist the cutter head 4 and the hammer 45 to cut and crush the material, improve the crushing efficiency, and when the forage feeding hopper 2 and the second feeding hopper 3 simultaneously feed the material cutting and crushing, the rotation of the fan blade 46 can also mix the material; the above-mentioned fan blade 46 can be symmetrically arranged on the circumference of the first disc 42, and arranged uniformly.

[0027] In order to further ensure the normal air pressure in the shell 11, as shown, Figure 1 As shown, the side of the shell 11 away from the cutter head 4 is detachably provided with a protective cover 5, the protective cover 5 is net-shaped, by setting the detachable net-shaped protective cover 5, the external air pressure and the internal air pressure of the shell 11 can be consistent, and the material splashing can be avoided, the safety of the operator is ensured, and the protective cover 5 and the shell 11 are detachably connected, so that the protective cover 5 can be removed for cleaning, and the cutter head 4 and other structures in the shell 11 can be easily overhauled; the protective cover 5 and the shell 11 can be connected by bolts, connecting flanges and the like.

[0028] In order to enhance the structural stability, so that the shell 11 can bear greater working load, the shell 11 is octagonal; compared with circular and square, the octagonal structure has better structural strength and stability, and the octagonal shell 11 is easy to manufacture and easy to clean residual material.

[0029] In order to facilitate the movement of the forage crusher, the lower side of the rack 1 is provided with a roller 13.

Claims

1. A chaff cutter, comprising a frame (1), a housing (11) mounted on the frame (1), a cutter disc (4) rotatably mounted within the housing (11), and a drive mechanism (12) for rotating the cutter disc (4), wherein the housing (11) is connected to a chaff feed hopper (2) with a discharge port corresponding to the cutter disc (4); characterized in that: The housing (11) is also connected to a second feed hopper (3), and the outlet (31) of the second feed hopper is located on one side of the outlet (21) of the grass-cutting feed hopper; the center of the cutter disc (4) is provided with a connecting shaft (41) perpendicular to the cutter disc (4), and a first disc (42) and a second disc (43) are spaced apart on the connecting shaft (41). The first disc (42) is circumferentially spaced with a first support plate (421) extending outward along the diameter of the first disc (42), and the second disc (43) is circumferentially spaced with a second support plate (431) corresponding to the first support plate (421) one by one; a connecting column (44) is provided between each pair of corresponding first support plates (421) and second support plates (431), and a hammer (45) rotating around the connecting column (44) is provided on the connecting column (44), and the hammer (45) is circumferentially provided with serrations (451).

2. The chaff shredder as described in claim 1, characterized in that: A first baffle (22) for closing the outlet of the first feed hopper is provided between the chaff feed hopper (2) and the housing (11), and the first baffle (22) is movably connected to the housing (11); a second baffle (32) for closing the outlet (31) of the second feed hopper is provided between the second feed hopper (3) and the housing (11), and the second baffle (32) is movably connected to the housing (11).

3. The chaff shredder as described in claim 1, characterized in that: Each of the first support plates (421) is provided with a positioning pin hole (422), and each of the hammer pieces (45) is provided with a through hole (452) corresponding to the positioning pin hole (422). The positioning pin hole (422) is provided with a positioning pin that passes through the positioning pin hole (422) and the through hole (452) in sequence.

4. The chaff cutter and pulverizer as described in claim 1, characterized in that: The second disc (43) is detachably mounted on the connecting shaft (41), and the second support plate (431) is detachably mounted on the connecting column (44).

5. The chaff shredder as described in claim 1, characterized in that: The length of the second support plate (431) is less than the length of the first support plate (421).

6. The chaff shredder as described in claim 1, characterized in that: The first disk (42) is provided with a fan blade (46) arranged along the diameter of the first disk (42). The fan blade (46) is L-shaped and extends perpendicularly to the first disk (42) to the second disk (43) on one side.

7. The chaff cutter and pulverizer as described in claim 1, characterized in that: The housing (11) is provided with a detachable protective cover (5) on the side away from the cutter head (4), and the protective cover (5) is mesh-shaped.

8. The chaff shredder as described in claim 1, characterized in that: The shell (11) is octagonal.

9. The chaff shredder as described in claim 1, characterized in that: The frame (1) is provided with casters (13) underneath.

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