Rapid straw smashing device for agriculture

Abstract

The utility model discloses a rapid straw smashing device for agriculture, and belongs to the technical field of straw smashing. The crushing device comprises a crushing box, two bearings are embedded in one side of the crushing box, rotating shafts are rotationally connected into the bearings, one ends of the two rotating shafts are connected with driven wheels, the two driven wheels are meshed with each other, the other ends of the two rotating shafts are connected with crushing wheels, and the other ends of the crushing wheels are rotationally connected with one side of the inner wall of the crushing box. One side of the crushing box is connected with a mounting plate, a first motor is fixedly mounted at the top of the mounting plate, and an output shaft of the first motor is connected with a driving wheel; according to the straw smashing device, the anti-winding device is arranged, straw wound on the smashing wheel is made to make contact with one side of the cutting block through rotation of the smashing wheel, the straw is cut off through the cutting block, then the wound straw is broken and falls off, and the situation that follow-up straw smashing is not in place due to the fact that the straw is wound on the smashing wheel is avoided; and the crushing effect of the device is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of straw crushing, and in particular relates to a device for quickly crushing agricultural straw. 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 harvesting seeds. 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.

[0003] Chinese application number: CN202122535940.9 discloses a straw rapid crushing device for agricultural production, including a feed inlet, a crushing bin, a pusher assembly, a crushing assembly, a screening bin and a base, wherein the screening bin is arranged on the base, the crushing bin is arranged above the screening bin, the pusher assembly and the crushing assembly are arranged in the crushing bin, the crushing assembly is arranged below the pusher assembly, the feed inlet is arranged on the crushing bin, the pusher assembly includes a motor 1, a rotating roller and a pusher plate, the motor 1 is arranged on the outer side wall of one end of the crushing bin, one end of the rotating roller is arranged at the output end of the motor 1, and the other end of the rotating roller is arranged on the inner side wall of the other end of the crushing bin through a fixed bearing, the pusher plate is arranged on the rotating roller, and the pusher plates are provided with a plurality of groups, and the plurality of groups of pusher plates are centrally symmetrically arranged on the rotating roller. However, in actual use, since the straw is in the shape of a flexible long strip, it is very likely to be entangled with the crushing wheel during cutting, and long-term cleaning will lead to reduced crushing effect. Utility Model Content

[0004] The utility model aims to solve the problem that straw winding affects the crushing effect, and proposes a rapid agricultural straw crushing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for rapid crushing of agricultural straw, comprising a crushing box, two bearings are embedded in one side of the crushing box, and a rotating shaft is rotatably connected in the bearing, and one end of the two rotating shafts is connected to a driven wheel, and the two driven wheels are meshed with each other, and the other ends of the two rotating shafts are connected to a crushing wheel, and the other end of the crushing wheel is rotatably connected to one side of the inner wall of the crushing box, one side of the crushing box is connected to a mounting plate, and a first motor is fixedly installed on the top of the mounting plate, the output shaft of the first motor is connected to a driving wheel, one side of the driving wheel is meshed with one side of one of the driven wheels, the inner wall of the crushing box is connected to two guide plates, and an anti-winding device is provided at the bottom of the guide plate.

[0006] As a further description of the above technical solution:

[0007] The anti-winding device includes a connecting block, a plurality of fixed blocks are connected to the bottom of the connecting block, a sliding groove is provided at the bottom of the fixed block, and a cutting block is slidably connected in the sliding groove, a fixing groove is provided at the top of the cutting block, and a fixing rod is slidably connected in the fixing groove, a spring is sleeved on the outer wall of the fixing rod, and limiting grooves are provided on both sides of the inner wall of the sliding groove, and a limiting rod is slidably connected in the limiting groove, and one end of the limiting rod is connected to one end of the cutting block.

[0008] As a further description of the above technical solution:

[0009] The two ends of the spring are respectively connected to the top of the cutting block and one side of the sliding groove, and one end of the fixing rod is connected to one side of the inner wall of the sliding groove, and the top of the connecting block is connected to the bottom of the guide plate.

[0010] As a further description of the above technical solution:

[0011] The two crushing wheels are installed staggered with each other, and the cutting block is placed between the two cutting blades in the same crushing wheel.

[0012] As a further description of the above technical solution:

[0013] The top of the crushing box is connected with an upper cover, and the upper cover is connected with a feeding box. The bottom of the crushing box is connected with a filter box. A plurality of fans are embedded in one side of the filter box, and a filter plate is connected to the inner wall of the filter box.

[0014] As a further description of the above technical solution:

[0015] A second motor is fixedly installed on one side of the filter box, and the output shaft of the second motor extends into the filter box and is connected to a rotating rod. The other end of the rotating rod is rotatably connected to one side of the inner wall of the filter box, and two cams are connected to the outer wall of the rotating rod, and the outer wall of the cam fits the bottom of the filter plate.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, an anti-winding device is provided, and the pulverizing wheel rotates so that the straw wound on the pulverizing wheel contacts one side of the cutting block, so that the cutting block cuts the straw, and the wound straw breaks and falls, thereby preventing the straw from winding around the pulverizing wheel and causing the subsequent straw to be not crushed in place, thereby ensuring the crushing effect of the device.

[0018] 2. In the utility model, a second motor output shaft is provided to drive the rotating rod to rotate, so that the rotating rod drives the cam to rotate, so that the cam hits the filter plate, causing the filter plate to vibrate, thereby filtering the soil mixed in the straw, avoiding the need to re-filter the crushed straw before the next process, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of an agricultural straw rapid crushing device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a crushing box of an agricultural straw rapid crushing device proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of an anti-winding device of an agricultural straw rapid crushing device proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the filter box structure of an agricultural straw rapid crushing device.

[0023] Legend: 1. Feeding box; 2. Upper cover; 3. Crushing box; 4. Filter plate; 5. Filter box; 6. Guide plate; 7. Crushing wheel; 8. Driving wheel; 9. Anti-winding device; 901. Connecting block; 902. Fixing block; 903. Fixing rod; 904. Spring; 905. Limiting rod; 906. Cutting block; 907. Limiting groove; 10. First motor; 11. Mounting plate; 12. Driven wheel; 13. Fan; 14. Second motor; 15. Cam; 16. Rotating rod. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] See also Figure 1-4The utility model provides a technical solution: a device for rapid crushing of agricultural straw, comprising a crushing box 3, two bearings are embedded on one side of the crushing box 3, and a rotating shaft is rotatably connected in the bearing, and one end of the two rotating shafts are connected to a driven wheel 12, and the two driven wheels 12 are meshed with each other, and the other ends of the two rotating shafts are connected to a crushing wheel 7, and the other end of the crushing wheel 7 is rotatably connected to one side of the inner wall of the crushing box 3, a mounting plate 11 is connected to one side of the crushing box 3, and a first motor 10 is fixedly installed on the top of the mounting plate 11, and the output shaft of the first motor 10 is connected to a driving wheel 8, and one side of the driving wheel 8 is meshed with one side of one of the driven wheels 12, and two guide plates 6 are connected to the inner wall of the crushing box 3, and an anti-winding device 9 is provided at the bottom of the guide plate 6, and the anti-winding device 9 includes a connecting block 901, and the bottom of the connecting block 901 A plurality of fixed blocks 902 are connected, a sliding groove is provided at the bottom of the fixed block 902, and a cutting block 906 is slidably connected in the sliding groove, a fixed groove is provided at the top of the cutting block 906, and a fixed rod 903 is slidably connected in the fixed groove, a spring 904 is sleeved on the outer wall of the fixed rod 903, and limiting grooves 907 are provided on both sides of the inner wall of the sliding groove, and a limiting rod 905 is slidably connected in the limiting groove 907, one end of the limiting rod 905 is connected to one end of the cutting block 906, two ends of the spring 904 are respectively connected to the top of the cutting block 906 and one side of the sliding groove, and one end of the fixed rod 903 is connected to one side of the inner wall of the sliding groove, the top of the connecting block 901 is connected to the bottom of the guide plate 6, and the two crushing wheels 7 are staggered and installed, and the cutting block 906 is placed between the two cutting blades in the same crushing wheel 7.

[0026] In a specific implementation manner, a spring 904 is provided so that when cutting the straw, the cutting block 906 can move up and down to perform sliding cutting on the straw, thereby avoiding the cutting block 906 from making hard contact with the straw and causing uneven cutting. A limiting rod 905 is provided to slide in a limiting groove 907, thereby making the cutting block 906 more stable when moving and providing better support. A fixing rod 903 is provided so that when the spring 904 is compressed, the spring 904 is prevented from bending, thereby affecting the resilience of the spring 904. A guide plate 6 is provided so that the straw can enter the crushing wheel 7 in a concentrated manner, thereby avoiding the straw from entering from both sides and causing insufficient crushing.

[0027] The top of the crushing box 3 is connected to the upper cover 2, and the upper cover 2 is connected to the feeding box 1, the bottom of the crushing box 3 is connected to the filter box 5, a plurality of fans 13 are embedded on one side of the filter box 5, and the inner wall of the filter box 5 is connected to the filter plate 4, a second motor 14 is fixedly installed on one side of the filter box 5, and the output shaft of the second motor 14 extends into the filter box 5 and is connected to a rotating rod 16, the other end of the rotating rod 16 is rotatably connected to one side of the inner wall of the filter box 5, and two cams 15 are connected to the outer wall of the rotating rod 16, and the outer wall of the cam 15 fits with the bottom of the filter plate 4.

[0028] In a specific implementation, a fan 13 is provided, and when the crushed straw falls into the filter box 5, the fan 13 blows air so that the fine straw is blown out of the filter box 5 for collection, while some dirt falls onto the filter plate 4 due to its heavy weight and is further filtered by the filter plate 4, thereby improving the dirt removal rate in the straw.

[0029] Working principle: When in use, the straw is poured from the feeding box 1, and then guided into the crushing box 3 through the guide plate 6, and then the first motor 10 drives the driven wheel 12 to rotate through the active wheel 8, so that the crushing wheel 7 rotates to crush the straw. At the same time, the straw wrapped on the crushing wheel 7 is cut by the cutting block 906 to avoid the reduction of the crushing effect of the crushing wheel 7 due to long-term cleaning. When the crushed straw falls into the filter box 5, the fan 13 blows air so that the straw is blown out with the wind for collection, while some soil and larger structures fall onto the filter plate 4, and the second motor 14 drives the rotating rod 16 to rotate, so that the cam 15 hits the filter plate 4, so that the soil on the filter plate 4 falls off, avoiding the need to filter the soil again when the straw enters the next process, and the practicality of the device is improved.

[0030] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances;

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for rapid crushing of agricultural straw, comprising a crushing box (3), characterized in that: Two bearings are embedded on one side of the crushing box (3), and a rotating shaft is rotatably connected in the bearing, and one end of each of the two rotating shafts is connected to a driven wheel (12), and the two driven wheels (12) are meshed with each other, and the other ends of each of the two rotating shafts are connected to a crushing wheel (7), and the other end of the crushing wheel (7) is rotatably connected to one side of the inner wall of the crushing box (3), one side of the crushing box (3) is connected to a mounting plate (11), and a first motor (10) is fixedly mounted on the top of the mounting plate (11), the output shaft of the first motor (10) is connected to a driving wheel (8), and one side of the driving wheel (8) is meshed with one side of one of the driven wheels (12), and the inner wall of the crushing box (3) is connected to two guide plates (6), and an anti-winding device (9) is provided at the bottom of the guide plate (6).

2. The agricultural straw rapid crushing device according to claim 1, characterized in that: The anti-winding device (9) comprises a connecting block (901), a plurality of fixed blocks (902) are connected to the bottom of the connecting block (901), a sliding groove is provided at the bottom of the fixed block (902), and a cutting block (906) is slidably connected in the sliding groove, a fixing groove is provided at the top of the cutting block (906), and a fixing rod (903) is slidably connected in the fixing groove, a spring (904) is sleeved on the outer wall of the fixing rod (903), and limiting grooves (907) are provided on both sides of the inner wall of the sliding groove, and a limiting rod (905) is slidably connected in the limiting groove (907), and one end of the limiting rod (905) is connected to one end of the cutting block (906).

3. The agricultural straw rapid crushing device according to claim 2, characterized in that: The two ends of the spring (904) are respectively connected to the top of the cutting block (906) and one side of the sliding groove, and one end of the fixing rod (903) is connected to one side of the inner wall of the sliding groove. The top of the connecting block (901) is connected to the bottom of the guide plate (6).

4. The agricultural straw rapid crushing device according to claim 1, characterized in that: The two crushing wheels (7) are installed in an interlaced manner, and the cutting block (906) is placed between the two cutting blades in the same crushing wheel (7).

5. The agricultural straw rapid crushing device according to claim 1, characterized in that: The top of the crushing box (3) is connected to an upper cover (2), and the upper cover (2) is connected to a feeding box (1); the bottom of the crushing box (3) is connected to a filter box (5); a plurality of fans (13) are embedded on one side of the filter box (5), and a filter plate (4) is connected to the inner wall of the filter box (5).

6. The agricultural straw rapid crushing device according to claim 5, characterized in that: A second motor (14) is fixedly mounted on one side of the filter box (5), and an output shaft of the second motor (14) extends into the filter box (5) and is connected to a rotating rod (16), the other end of the rotating rod (16) is rotatably connected to one side of the inner wall of the filter box (5), and the outer wall of the rotating rod (16) is connected to two cams (15), and the outer wall of the cam (15) is in contact with the bottom of the filter plate (4).

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