Crushing device for processing hemp stalk granular fuel

Abstract

The utility model relates to the technical field of hemp stalk crushing, and discloses a crushing device for hemp stalk granular fuel processing, which comprises a shell, a conveyor is arranged on the left side of the shell, and a lower convex block is fixedly connected to the outer side surface of a conveyor belt of the conveyor; the right side of the shell is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a rotating shaft, the left side of the rotating shaft movably penetrates into the shell and is fixedly connected with a first cutting knife, and the top of the shell is fixedly connected with two electric push rods; the bottoms of the two electric push rods penetrate into the shell and are fixedly connected with a frame, a pressing roller is rotationally arranged in the frame, and an upper protruding block is fixedly connected to the surface of the pressing roller. According to the smashing device for hemp stalk particle fuel processing, the first motor drives the rotating shaft to enable the first cutting knife to rotate, primary smashing operation is conducted on hemp stalks, stable conveying of materials is guaranteed, and the situation that the materials are rolled off by the first cutting knife when not pressed tightly, and the smashing efficiency is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hemp stalk crushing, in particular to a crushing device for processing hemp stalk particle fuel. Background Art

[0002] Hemp stalks are the peeled stems of hemp and other hemp varieties. They are off-white, slender, strong and flammable. Hemp stalks are the main raw material for pellet fuel processing. They can be made into pellet fuel through processes such as crushing and compacting. When crushing hemp stalks, a raw material crushing device is usually used.

[0003] The utility model patent with the authorization announcement number CN210998929U discloses "A raw material crushing device for biomass pellet fuel processing", which includes a processing box and two support plates of the same structure, and a rotating roller is rotatably installed between the two support plates and on one side wall of the processing box close to the support plate, and a material guide platform is connected between the two rotating rollers, and the rotating shaft of the rotating roller extends to the outside of the processing box and is fixedly connected to a sub-gear plate, and a driving motor is installed inside the processing box. The utility model has a novel structure, and the device can evenly cut the raw materials of biomass pellet fuel, and can compact the raw materials to improve the cutting stability, and can effectively crush the cut raw materials, improve the processing efficiency of biomass pellet fuel, and is suitable for promotion.

[0004] Since hemp stalks are more flammable, they are increasingly used to make pellet fuels, and the market demand is also increasing, which puts higher requirements on the processing efficiency of hemp stalk pellet fuels. In the above-mentioned prior art, when the hydraulic rod is retracted and the material guide platform feeds the material to the right, the material will be rolled down by the rotating cutting blade, causing the material to fall directly, resulting in room for further improvement in the crushing efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a pulverizing device for processing hemp stalk pellet fuel, which ensures the stable transportation of materials and prevents the materials from being rolled off by the first cutting knife when they are not compacted, thereby affecting the pulverizing efficiency.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A pulverizing device for processing hemp stalk pellet fuel comprises a shell, a conveyor is arranged on the left side of the shell, and a lower protrusion is fixedly connected to the outer side surface of the conveyor belt of the conveyor;

[0008] A first motor is fixedly connected to the right side of the shell, a rotating shaft is fixedly connected to the output end of the first motor, a first cutting knife is fixedly connected to the left side of the rotating shaft movably penetrates into the shell and is fixedly connected to the first cutting knife, two electric push rods are fixedly connected to the top of the shell, the bottoms of the two electric push rods penetrate into the shell and are fixedly connected to a frame, a pressure roller is rotatably arranged in the frame, an upper protrusion is fixedly connected to the surface of the pressure roller, and a second motor is fixedly connected to the front side of the frame.

[0009] Preferably, a feed port is provided on the left side of the shell, the right end of the conveyor extends into the shell through the feed port, and the bottom of the conveyor is fixedly connected to the feed port.

[0010] Preferably, the output shaft of the second motor movably passes through the frame and is fixedly connected to the pressure roller, and the interior of the shell is fixedly connected to a lower hopper.

[0011] Preferably, two support rods are fixedly connected to the inner top wall of the shell, and rotation holes are respectively opened on one side of the two support rods, and the rotation shafts are rotatably arranged in the rotation holes through bearings.

[0012] Preferably, a crushing box is fixedly connected to the bottom of the lower hopper, a third motor is fixedly connected to the bottom of the crushing box, a crushing shaft is rotatably provided on the inner bottom wall of the crushing box, and a second cutting knife is fixedly connected to the surface of the crushing shaft.

[0013] Preferably, the bottom of the crushing shaft movably passes through the crushing box and is fixedly connected to the third motor, and both ends of the bottom of the crushing box are respectively provided with feeding openings.

[0014] Preferably, a collecting groove is provided on the front side of the shell, a collecting box is inserted into the collecting groove, and the collecting box is located below the discharge port.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0016] First, the conveyor is used to transport the hemp stalks into the shell. After being pushed to the bottom of the pressing roller, the pressing roller in the frame is pushed downward by two electric push rods to squeeze the hemp stalks. After the hemp stalks reach the position of the first cutting knife, they are rolled down by the first cutting knife. The function of the second motor is to drive the pressing roller to rotate, and the second motor is synchronized with the conveyor. The friction of the hemp stalk transportation is guaranteed by the upper and lower protrusions set. The first motor drives the rotating shaft to rotate the first cutting knife to perform the initial crushing operation on the hemp stalks, thereby ensuring the stable transportation of the material and avoiding the material being rolled down by the first cutting knife when it is not compacted, thereby affecting the crushing efficiency.

[0017] Second, when the hemp stalks after the initial cutting fall into the crushing box from the lower hopper, the third motor drives the crushing shaft to rotate, and then the second cutting knife rotates to perform a secondary crushing operation on the hemp stalks. The crushed hemp stalk particles fall from the lower feeding port to the collecting box for collection. After the secondary crushing, the crushing effect of the hemp stalks is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a front cutaway and overall schematic diagram of the structure of the utility model;

[0020] Figure 3 It is a front cutaway diagram and overall three-dimensional structure diagram of the utility model;

[0021] Figure 4 This is a front section and overall front view structural diagram of the utility model;

[0022] Figure 5 It is a front cutaway diagram and an overall three-dimensional structural diagram of the utility model.

[0023] Among them: 1. shell; 11. conveyor; 12. lower protrusion; 13. first motor; 14. rotating shaft; 15. first cutting knife; 16. electric push rod; 17. frame; 18. pressure roller; 19. upper protrusion; 20. second motor; 21. lower hopper; 22. support rod; 23. crushing box; 24. third motor; 25. crushing shaft; 26. second cutting knife; 27. collecting box. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model will be further described in detail below with reference to the accompanying drawings.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A pulverizing device for processing hemp stalk pellet fuel comprises a housing 1, a conveyor 11 is arranged on the left side of the housing 1, and a lower protrusion 12 is fixedly connected to the outer side of the conveyor belt of the conveyor 11;

[0026] A first motor 13 is fixedly connected to the right side of the shell 1, and a rotating shaft 14 is fixedly connected to the output end of the first motor 13. The left side of the rotating shaft 14 movably penetrates into the shell 1 and is fixedly connected to a first cutting knife 15. Two electric push rods 16 are fixedly connected to the top of the shell 1. The bottoms of the two electric push rods 16 penetrate into the shell 1 and are fixedly connected to a frame 17. A pressure roller 18 is rotatably arranged in the frame 17, and an upper protrusion 19 is fixedly connected to the surface of the pressure roller 18. A second motor 20 is fixedly connected to the front of the frame 17.

[0027] A feed port is provided on the left side of the housing 1 , and the right end of the conveyor 11 extends into the housing 1 through the feed port, and the bottom of the conveyor 11 is fixedly connected to the feed port.

[0028] The output shaft of the second motor 20 movably passes through the frame 17 and is fixedly connected to the pressure roller 18 , and a lower hopper 21 is fixedly connected to the interior of the housing 1 .

[0029] Two support rods 22 are fixedly connected to the inner top wall of the housing 1. One side of the two support rods 22 is respectively provided with a rotation hole, and the rotation shaft 14 is rotatably arranged in the rotation hole through a bearing.

[0030] Through the above technical scheme, the conveyor 11 is used to transport the hemp stalks into the outer shell 1. After being pushed to the bottom of the pressure roller 18, the pressure roller 18 in the frame 17 is pushed downward by two electric push rods 16 to squeeze the hemp stalks. After the hemp stalks are placed at the position of the first cutting knife 15, they are rolled down by the first cutting knife 15. The function of the second motor 20 is to drive the pressure roller 18 to rotate, and the second motor 20 is synchronized with the conveyor 11. The friction force of the hemp stalk transportation is guaranteed by the upper protrusion 19 and the lower protrusion 12. The first motor 13 drives the rotating shaft 14 to rotate the first cutting knife 15, and the hemp stalks are initially crushed, thereby ensuring the stable transportation of the material and preventing the material from being rolled down by the first cutting knife 15 when it is not compacted, thereby affecting the crushing efficiency.

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A crushing device for processing hemp stalk pellet fuel, a crushing box 23 is fixedly connected to the bottom of the lower hopper 21, a third motor 24 is fixedly connected to the bottom of the crushing box 23, a crushing shaft 25 is rotatably provided on the inner bottom wall of the crushing box 23, and a second cutting knife 26 is fixedly connected to the surface of the crushing shaft 25.

[0032] The bottom of the crushing shaft 25 movably passes through the crushing box 23 and is fixedly connected to the third motor 24 . Both ends of the bottom of the crushing box 23 are respectively provided with feeding openings.

[0033] A collecting groove is provided on the front of the housing 1, and a collecting box 27 is inserted into the collecting groove. The collecting box 27 is located below the material discharge port.

[0034] Through the above technical scheme, when the hemp stalks after the initial cutting fall from the lower hopper 21 into the crushing box 23, the third motor 24 drives the crushing shaft 25 to rotate, and then the second cutting knife 26 rotates, and the hemp stalks are subjected to a secondary crushing operation. The crushed hemp stalk particles fall from the lower feeding port to the collecting box 27 for collection. After the secondary crushing, the hemp stalk crushing effect is better.

[0035] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulverizing device for processing hemp stalk pellet fuel, comprising a housing (1), characterized in that: A conveyor (11) is provided on the left side of the housing (1), and a lower protrusion (12) is fixedly connected to the outer side surface of the conveyor belt of the conveyor (11); A first motor (13) is fixedly connected to the right side of the housing (1), a rotating shaft (14) is fixedly connected to the output end of the first motor (13), a left side of the rotating shaft (14) movably penetrates into the housing (1) and is fixedly connected to a first cutting knife (15), two electric push rods (16) are fixedly connected to the top of the housing (1), the bottoms of the two electric push rods (16) penetrate into the housing (1) and are fixedly connected to a frame (17), a pressure roller (18) is rotatably arranged in the frame (17), an upper protrusion (19) is fixedly connected to the surface of the pressure roller (18), and a second motor (20) is fixedly connected to the front of the frame (17).

2. A pulverizing device for processing hemp stalk pellet fuel according to claim 1, characterized in that: A feed port is provided on the left side of the shell (1), the right end of the conveyor (11) extends into the shell (1) through the feed port, and the bottom of the conveyor (11) is fixedly connected to the feed port.

3. A pulverizing device for processing hemp stalk pellet fuel according to claim 1, characterized in that: The output shaft of the second motor (20) movably passes through the frame (17) and is fixedly connected to the pressure roller (18), and a lower hopper (21) is fixedly connected to the interior of the housing (1).

4. A pulverizing device for processing hemp stalk pellet fuel according to claim 1, characterized in that: Two support rods (22) are fixedly connected to the inner top wall of the housing (1), and rotation holes are respectively opened on one side of the two support rods (22). The rotation shafts (14) are rotatably arranged in the rotation holes via bearings.

5. The pulverizing device for processing hemp stalk pellet fuel according to claim 3, characterized in that: The bottom of the lower hopper (21) is fixedly connected to a crushing box (23), the bottom of the crushing box (23) is fixedly connected to a third motor (24), the inner bottom wall of the crushing box (23) is rotatably provided with a crushing shaft (25), and the surface of the crushing shaft (25) is fixedly connected to a second cutting knife (26).

6. A pulverizing device for processing hemp stalk pellet fuel according to claim 5, characterized in that: The bottom of the crushing shaft (25) movably penetrates the crushing box (23) and is fixedly connected to the third motor (24), and both ends of the bottom of the crushing box (23) are respectively provided with feeding openings.

7. The pulverizing device for processing hemp stalk pellet fuel according to claim 1, characterized in that: A collecting groove is provided on the front of the housing (1), a collecting box (27) is inserted into the collecting groove, and the collecting box (27) is located below the material discharge port.

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