Crop straw cutting machine

Abstract

The utility model relates to the technical field of straw cutting, and discloses a crop straw cutting machine, including a box body, the upper surface of the box body is fixedly connected with a feed pipe, the feed pipe is provided with a segmentation assembly inside, and the lower part of one side of the outer wall of the box body is fixedly connected with a motor 1. The utility model segments the straw through the segmentation assembly, and the segmented straw enters the box body, and at the same time, the motor 1 is started to drive the crushing roller 1 to rotate, and the crushing roller 1 drives the connecting rod 1 to rotate, and then drives the gear 1 to rotate, so that the two crushing rollers 1 can perform preliminary crushing on the straw segments, and the preliminary crushed straw falls on the screen plate, and the straw fragments under the screen fall on the crushing roller 2, and the gear 1 drives the connecting gear to rotate, the connecting gear drives the gear 2 to rotate, and the gear 2 drives the connecting rod 2 to rotate, so as to drive the crushing roller 2 to perform finer crushing on the straw fragments, thereby realizing that the straw can be crushed evenly and finely.

Description

Technical Field

[0001] The utility model relates to the technical field of straw cutting, and more specifically, to a crop straw cutting machine. Background Art

[0002] Straw is a general term for the stems and leaves of mature crops, usually referring to the remaining parts of wheat, rice, corn, potatoes, rapeseed, cotton, sugarcane and other crops after the seeds are harvested. More than half of the products of crop photosynthesis are present in the straw. Straw is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter, and is a multi-purpose renewable biological resource. Straw is also a roughage, characterized by a high crude fiber content and lignin. Although lignin cellulose cannot be used by pigs and chickens, it can be absorbed and used by ruminants, cattle, sheep and other livestock.

[0003] In the process of recycling crop straw, it needs to be cut and crushed to facilitate subsequent processing and use. The existing technology generally uses a crushing shaft to drive the crushing blade to crush and stir the straw, which cannot cut and crush the straw evenly, and when the amount of straw entering is large, the completeness of the cutting cannot be guaranteed. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a crop straw cutter, which has the advantage of being able to evenly and finely crush the straw.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crop straw cutter, comprising a box body, a feed pipe is fixedly connected to the upper surface of the box body, a cutting assembly is arranged inside the feed pipe, a motor is fixedly connected to the lower part of one side of the outer wall of the box body, a crushing roller is rotatably connected to both sides of the upper part of the inner wall of the box body, a crushing roller is rotatably connected to both sides of the lower part of the inner wall of the box body, two crushing rollers are rotatably connected to one end of the two crushing rollers, one end of the two connecting rods is fixedly connected to one gear, and the two gears are meshing devices. The two crushing rollers are arranged in a meshing manner, one end of each of the two connecting rods is fixedly connected to a connecting rod 2, one end of each of the two connecting rods is fixedly connected to a gear 2, the two gears 2 are arranged in a meshing manner, a rotating rod is rotatably connected to the middle of the other side of the outer wall of the box body, the outer wall of the rotating rod is fixedly connected to a connecting gear, the two sides of the connecting gear are respectively meshed with the adjacent sides of one of the gears 1 and one of the gears 2, the other end of one of the crushing rollers 2 is fixedly connected to the output end of motor 1, a sieve plate is arranged in the middle of the inner wall of the box body, and vibration mechanisms are arranged on both sides of the lower surface of the sieve plate.

[0006] As an optimal technical solution for a crop straw cutting machine of the utility model, the cutting assembly includes motor 2, one side of the outer wall of motor 2 is fixedly connected to one side of the upper surface of the box body, the output end of motor 2 is fixedly connected to a cutting knife, and one end of the cutting knife is rotatably connected to one side of the inner wall of the feed pipe.

[0007] As an optimal technical solution for a crop straw cutting machine of the utility model, the vibration mechanism includes a fixed plate, one side of the fixed plate is respectively fixedly connected to the two sides of the inner wall of the box body, both sides of the upper surface of the fixed plate are fixedly connected to fixed rods, the outer wall of the fixed rod is slidably connected to a slider, the middle part of the inner wall of the slider is fixedly connected to a vibration motor, the output end of the vibration motor passes through the outer wall of the slider, the output end of the vibration motor is fixedly connected to a cam, the lower part of the outer wall of the fixed rod is sleeved with a spring, and the top end of the spring is fixedly connected to the lower surface of the slider.

[0008] As a preferred technical solution of the crop straw cutter of the utility model, a discharge port is provided at the lower rear part of the box body, and a guide plate is fixedly connected to the lower surface of the inner wall of the box body.

[0009] As a preferred technical solution of the crop straw cutter of the utility model, the guide plate is arranged obliquely, and one end of the guide plate extends out of the discharge port.

[0010] As a preferred technical solution of the crop straw cutter of the utility model, the spacing between the crushing knives of the first crushing roller is greater than the spacing between the crushing knives of the second crushing roller.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model cuts the straw into segments by means of a segmenting assembly, and the segmented straw enters a box body, and at the same time, a starting motor drives a crushing roller to rotate, and the crushing roller drives a connecting rod to rotate, and further drives a gear to rotate, so that the two crushing rollers can perform preliminary crushing on the straw segments, and the preliminary crushed straw falls on a screen plate, and the sieved straw fragments fall on a crushing roller two, and the gear one drives the connecting gear to rotate, and the connecting gear drives the gear two to rotate, and the gear two drives the connecting rod two to rotate, so as to drive the crushing roller two to perform finer crushing on the straw fragments, thereby achieving the ability to evenly and finely crush the straw. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 It is a side view of the utility model;

[0015] Figure 3 This is a cross-sectional view of the utility model;

[0016] Figure 4 This is an expanded view of the structure of the utility model.

[0017] In the figure: 1. box body; 2. feed pipe; 3. motor 1; 4. crushing roller 1; 5. crushing roller 2; 6. connecting rod 1; 7. gear 1; 8. connecting rod 2; 9. gear 2; 10. rotating rod; 11. connecting gear; 12. sieve plate; 13. vibration mechanism; 1301. fixed plate; 1302. fixed rod; 1303. slider; 1304. vibration motor; 1305. cam; 1306. spring; 14. motor 2; 15. cutting knife; 16. discharge port; 17. guide plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] like Figures 1 to 4 As shown, the utility model provides a crop straw cutting machine, including a box body 1, a feed pipe 2 is fixedly connected to the upper surface of the box body 1, a cutting assembly is arranged inside the feed pipe 2, a motor 3 is fixedly connected to the lower part of one side of the outer wall of the box body 1, crushing rollers 4 are rotatably connected to both sides of the upper part of the inner wall of the box body 1, crushing rollers 5 are rotatably connected to both sides of the lower part of the inner wall of the box body 1, one end of the two crushing rollers 4 are fixedly connected to a connecting rod 6, one end of the two connecting rods 6 are fixedly connected to a gear 7, the two gears 7 are meshingly arranged, and the two crushing rollers 5 are rotatably connected to each other. One end is fixedly connected with a connecting rod 28, one end of the two connecting rods 28 is fixedly connected with a gear 29, the two gears 29 are meshed, a rotating rod 10 is rotatably connected to the middle of the other side of the outer wall of the box body 1, the outer wall of the rotating rod 10 is fixedly connected with a connecting gear 11, the two sides of the connecting gear 11 are respectively meshed with the adjacent sides of one of the gears 17 and one of the gears 29, the other end of one of the crushing rollers 25 is fixedly connected to the output end of the motor 13, a sieve plate 12 is arranged in the middle of the inner wall of the box body 1, and vibration mechanisms 13 are arranged on both sides of the lower surface of the sieve plate 12;

[0020] The straw is cut into segments by the segmenting assembly, and the segmented straw enters the box body 1. At the same time, the motor 3 is started to drive the crushing roller 4 to rotate, and the crushing roller 4 drives the connecting rod 6 to rotate, and then drives the gear 7 to rotate, so that the two crushing rollers 4 can perform preliminary crushing on the straw segments, and the preliminary crushed straw falls on the screen plate 12, and the straw fragments under the screen fall on the crushing roller 2 5, and the gear 17 drives the connecting gear 11 to rotate, and the connecting gear 11 drives the gear 2 9 to rotate, and the gear 2 9 drives the connecting rod 2 8 to rotate, thereby driving the crushing roller 2 5 to crush the straw fragments more finely, thereby achieving uniform and fine crushing of the straw.

[0021] The cutting assembly includes a motor 2 14, one side of the outer wall of the motor 2 14 is fixedly connected to one side of the upper surface of the box body 1, and the output end of the motor 2 14 is fixedly connected to a cutting knife 15, and one end of the cutting knife 15 is rotatably connected to one side of the inner wall of the feed pipe 2;

[0022] The straw is fed into the feed pipe 2, and then the motor 14 is started to drive the cutting knife 15 to rotate, so that the straw can be cut into sections, and the cut sections of the straw enter the box 1 to be crushed.

[0023] The vibration mechanism 13 includes a fixed plate 1301, one side of the fixed plate 1301 is respectively fixedly connected to the two sides of the inner wall of the box body 1, the two sides of the upper surface of the fixed plate 1301 are fixedly connected with fixed rods 1302, the outer wall of the fixed rod 1302 is slidably connected with a slider 1303, the middle part of the inner wall of the slider 1303 is fixedly connected with a vibration motor 1304, the output end of the vibration motor 1304 passes through the outer wall of the slider 1303, the output end of the vibration motor 1304 is fixedly connected with a cam 1305, the lower part of the outer wall of the fixed rod 1302 is sleeved with a spring 1306, and the top end of the spring 1306 is fixedly connected to the lower surface of the slider 1303;

[0024] When the initially crushed straw pieces fall onto the screen plate 12, the vibration motor 1304 is started to drive the convex plate to rotate, thereby causing the slider 1303 to slide on the fixed rod 1302. Under the action of the spring 1306, the slider 1303 can vibrate up and down, thereby driving the screen plate 12 to vibrate and screen the straw pieces.

[0025] A material outlet 16 is provided at the lower rear portion of the box body 1, and a material guide plate 17 is fixedly connected to the lower surface of the inner wall of the box body 1;

[0026] The crushed straw is crushed onto the guide plate 17 and discharged out of the box body 1.

[0027] The guide plate 17 is tilted, and one end of the guide plate 17 extends out of the discharge port 16 ; the spacing between the crushing knives of the crushing roller 1 4 is greater than the spacing between the crushing knives of the crushing roller 2 5 .

[0028] The working principle and use process of this utility model:

[0029] When the device is needed, the straw is fed into the feed pipe 2, and then the motor 14 is started to drive the cutting knife 15 to rotate, so that the straw can be cut into segments, and the cut straw enters the box 1 for crushing; the motor 3 is started to drive the crushing roller 4 to rotate, and the crushing roller 4 drives the connecting rod 6 to rotate, and then drives the gear 7 to rotate, so that the two crushing rollers 4 can perform preliminary crushing on the straw segments. When the preliminary crushed straw pieces fall on the screen plate 12, the vibration motor 1304 is started to drive the convex plate to rotate, so that the slider 130 The slider 1303 slides on the fixed rod 1302, and the spring 1306 makes the slider 1303 vibrate up and down, thereby driving the screen plate 12 to vibrate and screen the straw pieces, and the straw pieces under the screen fall on the crushing roller 2 5, and the gear 1 7 drives the connecting gear 11 to rotate, the connecting gear 11 drives the gear 2 9 to rotate, and the gear 2 9 drives the connecting rod 2 8 to rotate, thereby driving the crushing roller 2 5 to crush the straw pieces more finely, thereby achieving uniform and fine crushing of the straw, and the crushed straw pieces fall on the guide plate 17 and are discharged outside the box body 1.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crop straw cutting machine, comprising a housing (1), characterized in that: The upper surface of the box body (1) is fixedly connected to a feed pipe (2), a cutting assembly is arranged inside the feed pipe (2), a motor (3) is fixedly connected to the lower part of one side of the outer wall of the box body (1), both sides of the upper part of the inner wall of the box body (1) are rotatably connected to crushing rollers (4), both sides of the lower part of the inner wall of the box body (1) are rotatably connected to crushing rollers (5), one end of the two crushing rollers (4) is fixedly connected to a connecting rod (6), one end of the two connecting rods (6) is fixedly connected to a gear (7), the two gears (7) are meshingly arranged, and one end of the two crushing rollers (5) is fixedly connected to a connecting rod (8). ), one end of each of the two connecting rods (8) is fixedly connected to a gear (9), and the two gears (9) are meshingly arranged. A rotating rod (10) is rotatably connected to the middle of the other side of the outer wall of the housing (1), and a connecting gear (11) is fixedly connected to the outer wall of the rotating rod (10). The two sides of the connecting gear (11) are respectively meshed with the adjacent sides of one of the gears (7) and one of the gears (9). The other end of one of the crushing rollers (5) is fixedly connected to the output end of the motor (3). A sieve plate (12) is arranged in the middle of the inner wall of the housing (1), and vibration mechanisms (13) are arranged on both sides of the lower surface of the sieve plate (12).

2. The crop straw cutting machine according to claim 1, characterized in that: The cutting assembly comprises a second motor (14), one side of the outer wall of the second motor (14) is fixedly connected to one side of the upper surface of the box body (1), and the output end of the second motor (14) is fixedly connected to a cutting knife (15), and one end of the cutting knife (15) is rotatably connected to one side of the inner wall of the feed pipe (2).

3. The crop straw cutting machine according to claim 1, characterized in that: The vibration mechanism (13) comprises a fixed plate (1301), one side of the fixed plate (1301) is respectively fixedly connected to two sides of the inner wall of the box body (1), both sides of the upper surface of the fixed plate (1301) are fixedly connected to fixed rods (1302), the outer wall of the fixed rod (1302) is slidably connected to a slider (1303), the middle part of the inner wall of the slider (1303) is fixedly connected to a vibration motor (1304), the output end of the vibration motor (1304) passes through the outer wall of the slider (1303), the output end of the vibration motor (1304) is fixedly connected to a cam (1305), and the lower part of the outer wall of the fixed rod (1302) is sleeved with a spring (1306), and the top end of the spring (1306) is fixedly connected to the lower surface of the slider (1303).

4. The crop straw cutting machine according to claim 1, characterized in that: A material discharge port (16) is provided at the lower rear portion of the box body (1), and a material guide plate (17) is fixedly connected to the lower surface of the inner wall of the box body (1).

5. The crop straw cutting machine according to claim 4, characterized in that: The material guide plate (17) is arranged to be inclined, and one end of the material guide plate (17) extends out of the material outlet (16).

6. The crop straw cutting machine according to claim 1, characterized in that: The spacing between the crushing knives of the crushing roller one (4) is greater than the spacing between the crushing knives of the crushing roller two (5).

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