Straw treatment device

Abstract

The utility model discloses a straw processing device which comprises a support and a feeding hopper which are fixed in relative positions, a first cutting unit used for longitudinally cutting straw and a second cutting unit used for transversely cutting the straw are installed on the support, the second cutting unit is located below the first cutting unit, and the first cutting unit and the second cutting unit are arranged on the support. A first conveying unit is arranged below the second cutting unit, a second conveying unit used for evenly conveying straw at the position of the feeding hopper to the first cutting unit is installed below the feeding hopper, and straw of various sizes can be conveniently cut.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cutting equipment technical field, concretely is a straw processing device. BACKGROUND

[0002] The existing straw smashing device, when the straw is smashed, the size of the smashing product is small, and when the straw is smashed, the small size of the straw, such as wheat stalk, can use small size of the smashing device, and the large size of the straw, such as corn stalk, does not benefit to use small size of the smashing device, and in the process of recycling the straw and other wastes, producing organic fertilizer, biomass carbon, the straw does not need to be smashed too small, as long as the straw is cut into a certain size, therefore, a device for cutting the straw of various sizes is required. SUMMARY

[0003] In view of the above, in order to solve the problems existing in the prior art, the utility model provides a straw processing device.

[0004] The technical scheme is that a straw processing device comprises a support, a feeding hopper, a first cutting unit for longitudinally cutting the straw is installed on the support, and a second cutting unit for transversely cutting the straw is installed on the support, the second cutting unit is located below the first cutting unit, a first conveying unit is arranged below the second cutting unit, and a second conveying unit for uniformly conveying the straw at the feeding hopper to the first cutting unit is arranged below the feeding hopper.

[0005] As a preferred design, the first cutting unit comprises a first rotating rod and a second rotating rod, the first rotating rod and the second rotating rod are rotationally connected with the support, the rotation axes of the first rotating rod and the second rotating rod are parallel, a first cutting disc is fixedly connected to the first rotating rod, and a second cutting disc matched with the first cutting disc is fixedly connected to the second rotating rod.

[0006] As a preferred design, the rotation directions of the first rotating rod and the second rotating rod are opposite, the first cutting discs are equidistantly distributed along the axial direction of the first rotating rod, and the second cutting discs are equidistantly distributed along the axial direction of the second rotating rod.

[0007] As a preferred design, first fixed plates are installed between the first cutting discs, the two side edges of the first fixed plates are seamlessly connected with the first cutting discs at both sides, the first fixed plates are seamlessly connected with the first rotating shaft, the maximum distance between the first fixed plates and the first rotating shaft is less than the minimum distance between the outer edges of the first cutting discs and the first rotating shaft, second fixed plates are installed between the second cutting discs, the two side edges of the second fixed plates are seamlessly connected with the second cutting discs at both sides, the second fixed plates are seamlessly connected with the second rotating shaft, and the maximum distance between the second fixed plates and the second rotating shaft is less than the minimum distance between the outer edges of the second cutting discs and the second rotating shaft.

[0008] As a preferred design, the first fixed plates are uniformly distributed in a ring shape around the first rotating shaft, the second fixed plates are uniformly distributed in a ring shape around the second rotating shaft, and there are at least three first fixed plates at the same position of the first rotating shaft and at least three second fixed plates at the same position of the second rotating shaft.

[0009] As a preferred design, the second cutting unit includes a first cutting plate and a second cutting plate that cooperate with each other, the first cutting plate is threadedly connected with a support rod through a first bidirectional screw rod, the second cutting plate is threadedly connected with the support rod through a second bidirectional screw rod, the moving directions of the first cutting plate and the second cutting plate are opposite, and each support rod is rotationally connected with a support.

[0010] As a preferred design, a first guide plate is installed above the first cutting plate, and a second guide plate is installed above the second cutting plate, and the first guide plate and the second guide plate cooperate to form an inverted eight-shaped structure.

[0011] As a preferred design, the second conveying unit includes a conveying belt, and baffle plates are slidably connected to both sides above one end of the conveying belt, each baffle plate is parallel to the conveying direction of the conveying belt, and each baffle plate is fixedly connected with the lower end of a feeding hopper, a pressing plate is installed at the lower end of the feeding hopper near one side of the first cutting unit, the pressing plate is fixedly connected with the baffle plates, and the baffle plates and the pressing plate cooperate to form an inverted concave-shaped structure.

[0012] As a preferred design, protruding pushing blocks are installed between the baffle plates on the conveying belt, and the pushing blocks are arranged in an array on the conveying belt.

[0013] As a preferred design, the lower edge of the feeding hopper near one side of the first cutting unit is lower than the height of the pressing plate.

[0014] The straw processing device has the beneficial effects that, compared with the prior art:

[0015] 1. The straw in the feed hopper is evenly conveyed to the first cutting unit through the second conveying unit. After being processed by the first cutting unit and the second cutting unit in sequence, it falls into the first conveying unit. The second cutting unit is located directly below the first cutting unit and is adjacent to the first cutting unit. Through the cooperation of the first cutting unit and the second cutting unit, straw of various sizes is cut.

[0016] 2. By using the first and second fixing plates, the gap between the first and second rotating rods is reduced, pushing the straw downwards to facilitate cutting and prevent the straw from getting stuck between the first and second rotating rods.

[0017] 3. The inverted V-shaped structure facilitates the movement of straw from the first cutting unit downwards along each guide plate. Simultaneously, as each guide plate moves with each cutting plate, the straw at each guide plate vibrates and moves downwards, falling between the first and second cutting plates. Attached Figure Description

[0018] Figure 1 This is a front view schematic diagram of the present utility model.

[0019] Figure 2 This is a magnified left-side view of the feed hopper of this utility model.

[0020] Figure 3 This is a top-view enlarged schematic diagram of the first cutting unit of this utility model.

[0021] Figure 4 This is a schematic diagram of the AA direction of this utility model.

[0022] Figure 5 This is a top-enlarged schematic diagram of the second cutting unit of this utility model.

[0023] Figure 6 This is a magnified front view of the first cutting plate of this utility model.

[0024] In the diagram: 1-Support, 2-Feed hopper, 3-First cutting unit, 3.1-First rotating rod, 3.2-Second rotating rod, 3.3-First cutting disc, 3.4-Second cutting disc, 3.5-First fixing plate, 3.6-Second fixing plate, 4-Second cutting unit, 4.1-First cutting plate, 4.2-Second cutting plate, 4.3-First bidirectional lead screw, 4.4-Second bidirectional lead screw, 4.5-Support rod, 4.6-First guide plate, 4.7-Second guide plate, 5-First conveying unit, 6-Second conveying unit, 6.1-Conveyor belt, 6.2-Baffle, 6.3-Pressure plate, 6.4-Push block. Detailed Implementation

[0025] The technical solutions of the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope protected by the utility model. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0026] In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] The utility model will be described in further detail below through specific examples and in combination with the drawings.

[0028] Please refer to Figures 1-6 The utility model provides a kind of straw processing device, including relative position fixed support 1, feed hopper 2, wherein support 1 is fixed by bolt with ground, feed hopper 2 is fixed by bolt with mounting bracket, mounting bracket is fixed by bolt on ground, first cutting unit 3 for being used to cut straw longitudinally is installed on support 1, and second cutting unit 4 for being used to cut straw transversely, second cutting unit 4 is below first cutting unit 3, first conveying unit 5 is arranged below second cutting unit 4, second conveying unit 6 for being used to evenly transport straw at feed hopper 2 to first cutting unit 3 is installed below feed hopper 2, when using, straw in feed hopper 2 is evenly transported to first cutting unit 3 by second conveying unit 6, in turn after processing of first cutting unit 3, second cutting unit 4, falls into first conveying unit 5, second cutting unit 4 is directly below first cutting unit 3, and second cutting unit 4 is adjacent to first cutting unit 3, and various sizes of straw are processed by the cooperation of first cutting unit 3 and second cutting unit 4.

[0029] In an embodiment, the first cutting unit 3 comprises a first rotating shaft 3.1 and a second rotating shaft 3.2, the first rotating shaft 3.1 and the second rotating shaft 3.2 are rotatably connected with the support 1, the rotation axes of the first rotating shaft 3.1 and the second rotating shaft 3.2 are parallel, the first rotating shaft 3.1 is bolted with first cutting discs 3.3, the second rotating shaft 3.2 is bolted with second cutting discs 3.4 matched with the first cutting discs 3.3, wherein two motors are fixed on the support 1, the output shaft of one motor is fixedly connected with the first rotating shaft 3.1 through a coupling, the output shaft of the other motor is fixedly connected with the second rotating shaft 3.2 through a coupling, the first cutting discs 3.3 and the second cutting discs 3.4 are driven to rotate by the operation of the motors, so that the outer edges of the first cutting discs 3.3 and the second cutting discs 3.4 contact in rotation, thereby longitudinally cutting the straw.

[0030] In an embodiment, the rotation directions of the first rotating shaft 3.1 and the second rotating shaft 3.2 are opposite, wherein the upper sides of the first rotating shaft 3.1 and the second rotating shaft 3.2 are close to each other, thereby cutting the straw falling between the upper sides of the first cutting discs 3.3 and the second cutting discs 3.4, each first cutting disc 3.3 is equidistantly distributed along the axial direction of the first rotating shaft 3.1, and each second cutting disc 3.4 is equidistantly distributed along the axial direction of the second rotating shaft 3.2.

[0031] In an embodiment, each first cutting disc 3.3 is bolted with a first fixed plate 3.5, the two side edges of the first fixed plate 3.5 are seamlessly connected with the first cutting discs 3.3 on both sides, the first fixed plate 3.5 is seamlessly connected with the first rotating shaft 3.1, the maximum distance between the first fixed plate 3.5 and the first rotating shaft 3.1 is less than the minimum distance between the outer edge of the first cutting disc 3.3 and the first rotating shaft 3.1, each second cutting disc 3.4 is bolted with a second fixed plate 3.6, the two side edges of the second fixed plate 3.6 are seamlessly connected with the second cutting discs 3.4 on both sides, the second fixed plate 3.6 is seamlessly connected with the second rotating shaft 3.2, the maximum distance between the second fixed plate 3.6 and the second rotating shaft 3.2 is less than the minimum distance between the outer edge of the second cutting disc 3.4 and the second rotating shaft 3.2, by the first fixed plate 3.5 and the second fixed plate 3.6, the gap between the first rotating shaft 3.1 and the second rotating shaft 3.2 is reduced, the straw is pushed to move downward, thereby facilitating the cutting of the straw, and also preventing the straw from being blocked between the first rotating shaft 3.1 and the second rotating shaft 3.2.

[0032] In an embodiment, each first fixed plate 3.5 is uniformly distributed in a ring shape around the first rotating shaft 3.1, each second fixed plate is uniformly distributed in a ring shape around the second rotating shaft 3.2, and there are at least three first fixed plates 3.5 at the same position of the first rotating shaft 3.1, which can be, for example, three, four or other suitable number, and there are at least three second fixed plates 3.6 at the same position of the second rotating shaft 3.2, which can be, for example, three, four or other suitable number.

[0033] In an embodiment, the second cutting unit 4 comprises a first cutting plate 4.1 and a second cutting plate 4.2, the first cutting plate 4.1 is threadedly connected with the support rod 4.5 through a connecting frame and a first bidirectional screw rod 4.3, the second cutting plate 4.2 is threadedly connected with the support rod 4.5 through a connecting frame and a second bidirectional screw rod 4.4, the moving directions of the first cutting plate 4.1 and the second cutting plate 4.2 are opposite, each support rod 4.5 is rotationally connected with the support frame 1, a driving motor is fixed on the support frame 1 by screws, the output shaft of the driving motor is fixed with the support rod 4.5 through a speed reducer and a shaft coupling, when the support rod 4.5 rotates, the first cutting plate 4.1 and the second cutting plate 4.2 continuously approach, contact, move away, and then approach again, so as to longitudinally cut the straw between the first cutting plate 4.1 and the second cutting plate 4.2. It should be noted that the cutting directions of the first cutting unit 3 and the second cutting unit 4 are perpendicular, so as to cut the straw from two different directions to form a longitudinal and transverse cutting layout. The cutting direction of the first cutting unit 3 is parallel to the moving direction of the straw, and the cutting direction of the second cutting unit 4 is perpendicular to the moving direction of the straw, so as to facilitate cutting the straw.

[0034] In an embodiment, a first guide plate 4.6 is fixed above the first cutting plate 4.1 by screws, a second guide plate 4.7 is fixed above the second cutting plate 4.2 by screws, the first guide plate 4.6 and the second guide plate 4.7 cooperate to form an inverted eight-shaped structure. Through the inverted eight-shaped structure, the straw moving downward from the first cutting unit 3 can move downward along the guide plates, and at the same time, the straw at the guide plates vibrates and moves downward due to the movement of the cutting plates, and falls between the first cutting plate 4.1 and the second cutting plate 4.2.

[0035] In an embodiment, the second conveying unit 6 comprises a conveying belt 6.1, the conveying belt 6.1 is installed on a mounting frame, two side sliding connection baffles 6.2 are arranged above one end of the conveying belt 6.1, the baffles 6.2 are parallel to the conveying direction of the conveying belt 6.1, and the baffles 6.2 are fixedly connected with the lower end of the feeding hopper 2. A pressing plate 6.3 is installed on the side of the lower end of the feeding hopper 2 close to the first cutting unit 3, the pressing plate 6.3 is fixedly connected with the baffles 6.2, and the pressing plate 6.3 and the baffles 6.2 cooperate to form an inverted concave-shaped structure. The baffles 6.2, the pressing plate 6.3, and the feeding hopper 2 are an integral structure, and the amount of straw moving out of the feeding hopper 2 is limited through the inverted concave-shaped structure.

[0036] In an embodiment, the conveying belt 6.1 is bonded with protruding pushing blocks 6.4 between the baffles 6.2, the pushing blocks 6.4 are arranged in an array on the conveying belt 6.1, the pushing blocks 6.4 facilitate the movement of the straw out of the feed hopper 2, the conveying belt 6.1, the pushing blocks 6.4 and the feed hopper 2 cooperate with the undercut letter-shaped structure, so that the volume of the straw moved out of the feed hopper 2 in the same time is substantially the same, thereby facilitating the uniform delivery of the straw at the first cutting unit 3.

[0037] In an embodiment, the feed hopper 2 is located adjacent to one side of the first cutting unit 3, and the lower edge of the feed hopper 2 is slightly lower than the height of the pressing plate 6.3, so as to prevent excessive straw from passing through the lower edge and facilitate the movement of the straw through the undercut letter-shaped structure.

[0038] In an embodiment, the first conveying unit 5 is a suitable device such as a conveyor belt.

[0039] The above detailed description is further detailed for the purpose of the utility model, technical scheme and beneficial effects, and it should be understood that the above is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A straw processing device comprising a support (1), a feed hopper (2), characterized in that: The support (1) is provided with a first cutting unit (3) for longitudinally cutting the straw, and a second cutting unit (4) for transversely cutting the straw, the second cutting unit (4) is located below the first cutting unit (3), and a first conveying unit (5) is arranged below the second cutting unit (4), and a second conveying unit (6) is arranged below the feeding hopper (2) for uniformly conveying the straw in the feeding hopper (2) to the first cutting unit (3).

2. The device according to claim 1, characterized in that: The first cutting unit (3) comprises a first rotating rod (3.1) and a second rotating rod (3.2), the first rotating rod (3.1) and the second rotating rod (3.2) are rotationally connected with the support (1), the rotation axes of the first rotating rod (3.1) and the second rotating rod (3.2) are parallel, the first rotating rod (3.1) is fixedly connected with a first cutting disc (3.3), and the second rotating rod (3.2) is fixedly connected with a second cutting disc (3.4) matched with the first cutting disc (3.3).

3. The device according to claim 2, characterized in that: The rotating directions of the first rotating rod (3.1) and the second rotating rod (3.2) are opposite, the first cutting discs (3.3) are equidistantly distributed along the axial direction of the first rotating rod (3.1), and the second cutting discs (3.4) are equidistantly distributed along the axial direction of the second rotating rod (3.2).

4. The device according to claim 2, characterized in that: The first cutting discs (3.3) are fixedly connected with a first fixed plate (3.5), the two side edges of the first fixed plate (3.5) are seamlessly connected with the first cutting discs (3.3) on the two sides, the first fixed plate (3.5) is seamlessly connected with the first rotating rod (3.1), the maximum distance between the first fixed plate (3.5) and the first rotating rod (3.1) is less than the minimum distance between the outer edge of the first cutting disc (3.3) and the first rotating rod (3.1), and the second cutting discs (3.4) are fixedly connected with a second fixed plate (3.6), the two side edges of the second fixed plate (3.6) are seamlessly connected with the second cutting discs (3.4) on the two sides, the second fixed plate (3.6) is seamlessly connected with the second rotating rod (3.2), and the maximum distance between the second fixed plate (3.6) and the second rotating rod (3.2) is less than the minimum distance between the outer edge of the second cutting disc (3.4) and the second rotating rod (3.2).

5. The device according to claim 4, characterized in that: The first fixed plates (3.5) are annularly and uniformly distributed around the first rotating rod (3.1), the second fixed plates are annularly and uniformly distributed around the second rotating rod (3.2), there are at least three first fixed plates (3.5) located at the same position of the first rotating rod (3.1), and there are at least three second fixed plates (3.6) located at the same position of the second rotating rod (3.2).

6. The device according to any one of claims 1-5, characterized in that: The second cutting unit (4) comprises a first cutting plate (4.1) and a second cutting plate (4.2) which are matched, the first cutting plate (4.1) is threadedly connected with a support rod (4.5) through a first bidirectional screw rod (4.3), the second cutting plate (4.2) is threadedly connected with the support rod (4.5) through a second bidirectional screw rod (4.4), the moving directions of the first cutting plate (4.1) and the second cutting plate (4.2) are opposite, and each support rod (4.5) is rotationally connected with the support frame (1).

7. The device according to claim 6, characterized in that: A first guide plate (4.6) is arranged above the first cutting plate (4.1), a second guide plate (4.7) is arranged above the second cutting plate (4.2), and the first guide plate (4.6) and the second guide plate (4.7) are matched to form an inverted eight-shaped structure.

8. The device according to claim 7, characterized in that: The second conveying unit (6) comprises a conveying belt (6.1), and the upper side of one end of the conveying belt (6.1) is slidably connected with a baffle (6.2) on both sides, the baffle (6.2) is parallel to the conveying direction of the conveying belt (6.1), the baffle (6.2) is fixedly connected with the lower end of the feeding hopper (2), the lower end of the feeding hopper (2) is arranged with a pressing plate (6.3) on the side close to the first cutting unit (3), the pressing plate (6.3) is fixedly connected with the baffle (6.2), and the pressing plate (6.3) and the baffle (6.2) are matched to form an inverted concave-shaped structure.

9. The device of claim 8, wherein: The conveying belt (6.1) is arranged with a protruding pushing block (6.4) between the baffles (6.2), and the pushing blocks (6.4) are arranged in an array on the conveying belt (6.1).

10. The device according to claim 9, characterized in that: The lower edge of the side of the feeding hopper (2) close to the first cutting unit (3) is lower than the height of the pressing plate (6.3).

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