Crop straw crushing equipment
By setting up a pretreatment mechanism in the crop straw crushing equipment, including a knock hammer and a dust collection bin, the problem of dust pollution during the crushing process is solved, and a more efficient crushing and a cleaner environment is achieved.
Patent Information
- Application Number
- CN202421621561.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-09
AI Technical Summary
The prior art is prone to dust when crushing crop straw, resulting in a decrease in the ambient air quality and harming human health.
A crop straw crushing equipment is designed, equipped with a pretreatment mechanism, including a feed barrel, a conveying roller, a hydraulic press, a knock hammer and a dust collection bin. The soil on the surface of the straw is removed by a knock hammer, and the dust is collected into the dust collection bin through a dust removal fan.
It effectively reduces dust during the crushing process and avoids dust polluting the air. At the same time, knocking the hammer can also flatten the straw, improving the crushing effect of the crushing roller.
Smart Images
Figure CN222817585U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, and more specifically to a crop straw crushing device. Background Art
[0002] Straw is the general term for the stems and leaves (ears) of mature crops, usually referring to the remaining parts of wheat, rice, corn, potatoes, rapeseed, cotton, sugarcane and other crops (usually coarse grains) after the seeds are harvested.
[0003] In the prior art, a Chinese utility model patent with announcement number CN216452022U discloses a screen-free shearing straw pulverizing device, comprising a mounting base plate, a pulverizing box and a collecting box are respectively arranged on the upper surface of the mounting base plate, a pulverizing chamber is arranged inside the pulverizing box, a feed hopper is arranged on the top of the pulverizing box, a pulverizing mechanism is arranged inside the pulverizing box, the pulverizing mechanism comprises a first rotating rod rotatably connected inside the pulverizing box, a hydraulic rod is fixedly connected to the outer wall of the pulverizing box, a second rotating rod is rotatably connected to the telescopic end of the hydraulic rod, and a transverse groove for the second rotating rod to move is provided on the inner wall of the pulverizing box. The screen-free shearing straw pulverizing device can shear and pulverize the straw inside the pulverizing box by driving the shearing knife to rotate through the first rotating rod and the second rotating rod, and by arranging a reduction motor and an auger blade, the pulverized straw is sent into the collecting box under the conveying action of the auger blade, and the material is discharged quickly, avoiding the situation of material congestion inside the pulverizing box, thereby improving the speed of the pulverizing process. However, the above technical solution still has the following defects: since the roots of crop straw usually contain soil, dust is easily generated during the crushing process, resulting in a decrease in the air quality of the surrounding environment and harming human health. Utility Model Content
[0004] In order to overcome the defects of the prior art, the utility model proposes a crop straw crushing device, which can remove the soil adhering to the crop straw before crushing through the set pretreatment mechanism, which helps to reduce dust in the crushing process and avoid dust pollution in the air.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] The utility model provides a crop straw crushing device, comprising a base, a crushing box, a shaking mechanism, a crushing roller, a pre-treatment mechanism and a storage box, the base is slidably connected with the crushing box, the shaking mechanism is fixed on the base, and the shaking mechanism is connected to the crushing box, two mutually meshing crushing rollers are arranged in the crushing box, a pre-treatment mechanism is arranged on the top of the crushing box, the pre-treatment mechanism comprises a feeding cylinder, a conveying roller, a hydraulic press, a percussion hammer and a dust collecting bin, the feeding cylinder is transversely arranged above the crushing box, and one end of the feeding cylinder is connected with the crushing box, more than two conveying rollers are evenly arranged in the horizontal direction on the inner side wall of the feeding cylinder, a percussion hammer is arranged above the conveying roller, the hydraulic press is fixed on the top of the feeding cylinder, and the output end of the hydraulic press is connected with the percussion hammer, a dust collecting bin is arranged below the conveying roller, and a storage box is also arranged at the lower part of the base, and the discharge port at the bottom of the crushing box is aligned with the opening at the top of the storage box.
[0007] In a preferred technical solution of the utility model, the shaking mechanism includes a swing motor, a turntable and a transmission rod. The swing motor is fixed on the base, the output end of the swing motor is connected to the turntable, one end of the transmission rod is eccentrically hinged to the turntable, and the other end of the transmission rod is hinged to one side of the crushing box.
[0008] In a preferred technical solution of the utility model, a screen is fixedly provided below the crushing roller.
[0009] In a preferred technical solution of the utility model, a dust removal fan is also provided in the dust collection bin.
[0010] In a preferred technical solution of the utility model, a toggle member is also provided above the crushing roller, and the toggle member includes a first rotating shaft, a toggle rod and a retractable rod. The first rotating shaft is rotatably connected to the inner wall of the crushing box, one end of the first rotating shaft is connected to the toggle rod, the other end of the first rotating shaft extends out of the crushing box and is fixedly connected to one end of the retractable rod, and the other end of the retractable rod is hinged to the base.
[0011] In a preferred technical solution of the utility model, a dust cover is hingedly connected to the other end of the feed barrel.
[0012] The beneficial effects of the utility model are:
[0013] The utility model provides a crop straw crushing device, which can remove the soil adhered to the crop straw before crushing through the pre-treatment mechanism, which helps to reduce dust during the crushing process and avoid dust pollution of the air. At the same time, the percussion hammer can also flatten the straw to improve the crushing effect of the crushing roller. The stirring piece can stir the straw above the crushing roller to prevent the crushing box from stacking and jamming. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1It is a structural schematic diagram of a crop straw crushing device provided by a specific embodiment of the utility model;
[0015] Figure 2 yes Figure 1 Left view of .
[0016] In the figure:
[0017] 1. Base; 2. Crushing box; 3. Shaking mechanism; 31. Swinging motor; 32. Turntable; 33. Transmission rod; 4. Crushing roller; 5. Pretreatment mechanism; 51. Feeding barrel; 52. Conveying roller; 53. Hydraulic press; 54. Percussion hammer; 55. Dust collecting bin; 56. Dust removal fan; 57. Dust cover; 6. Storage box; 7. Screen; 8. Toggle member; 81. First rotating shaft; 82. Toggle rod; 83. Retractable rod. DETAILED DESCRIPTION
[0018] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.
[0019] like Figure 1-2As shown, an agricultural crop straw crushing device is provided in the embodiment, including a base 1, a crushing box 2, a shaking mechanism 3, a crushing roller 4, a pre-processing mechanism 5 and a storage box 6. The base 1 is slidably connected with the crushing box 2, the shaking mechanism 3 is fixed on the base 1, and the shaking mechanism 3 is connected to the crushing box 2. Two mutually meshing crushing rollers 4 are arranged in the crushing box 2. The top of the crushing box 2 is provided with a pre-processing mechanism 5, and the pre-processing mechanism 5 includes a feeding cylinder 51, a conveying roller 52, a hydraulic press 53, a percussion hammer 54 and a dust collecting The base 1 is provided with a dust collecting bin 55, a feed barrel 51 is arranged horizontally above the crushing box 2, and one end of the feed barrel 51 is connected with the crushing box 2, more than two conveying rollers 52 are evenly arranged on the inner wall of the feed barrel 51 in the horizontal direction, a percussion hammer 54 is arranged above the conveying roller 52, a hydraulic press 53 is fixed on the top of the feed barrel 51, and the output end of the hydraulic press 53 is connected with the percussion hammer 54, a dust collecting bin 55 is arranged below the conveying roller 52, and a storage box 6 is also arranged at the lower part of the base 1, and the bottom discharge port of the crushing box 2 is aligned with the top opening of the storage box 6. In this embodiment, a support leg is arranged at the bottom of the base 1, and the support leg is fixedly installed on the ground by fastening bolts to prevent the base 1 from being displaced due to the vibration of the device during operation, and the base 1 is a rectangular frame structure, and the bottom discharge port of the crushing box 2 is located on the inner side of the rectangular frame, and the shaking mechanism 3 arranged can drive the crushing box 2 to slide left and right on the top surface of the base 1, so that the material in the crushing box 2 is shaken synchronously to achieve a function similar to stirring, which helps to improve the crushing effect. The crushing roller 4 is used to crush the crop straw, and one end of the crushing roller 4 is also connected to a motor for driving its rotation. The pretreatment mechanism 5 is used to remove impurities such as soil adhering to the crop straw before the crushing process to reduce the dust generated during the crushing process, wherein the feed barrel 51 is fixedly installed on the top of the crushing box 2, and the user can add crop straw to the crushing box 2 through the feed barrel 51; one end of the conveying roller 52 is also connected to a motor for driving its rotation, and the conveying roller 52 can convey the crop straw to the crushing box 2 during the rotation process to achieve automatic feeding; the hydraulic press 53 is able to drive the percussion hammer 54 to move up and down reciprocatingly, and then hammer the crop straw on the surface of the conveying roller 52, through the continuous hammering action, not only can the soil and other impurities adhering to the crop straw fall off, and then fall into the dust collection bin 55 through the gap between the conveying rollers 52, but also can flatten the crop straw, so that it is easier to be crushed into fine particles by the crushing roller 4, and achieve more thorough crushing. The storage box 6 is used to collect the straw particles falling through the discharge port at the bottom of the crushing box 2, and the storage box 6 is detachably connected to the base 1, so as to facilitate the subsequent processing of the straw particles. In addition, a PLC controller is also provided on the base 1, and the shaking mechanism 3, the crushing roller 4 and the pre-treatment mechanism 5 are all electrically connected to the PLC controller to control the coordinated operation of various components.
[0020] Specifically, the shaking mechanism 3 includes a swing motor 31, a rotating disk 32 and a transmission rod 33. The swing motor 31 is fixedly mounted on the base 1. The output end of the swing motor 31 is connected to the rotating disk 32. One end of the transmission rod 33 is eccentrically hinged to the rotating disk 32, and the other end of the transmission rod 33 is hinged to one side of the crushing box 2. In this embodiment, the swing motor 31 is fixedly mounted on the base 1, and the swing motor 31 is located on one side of the crushing box 2. The swing motor 31 can drive the rotating disk 32 to rotate, and then push the crushing box 2 to move back and forth through the transmission rod 33.
[0021] Specifically, a screen 7 is fixedly provided below the crushing roller 4. In this embodiment, the screen 7 can filter the crop straw particles with qualified particle size, while the straw that is not completely crushed will remain on the screen 7, so that the crushing roller 4 can crush it again to ensure the quality of the crushing process. In addition, when the crushing box 2 slides left and right, the straw particles on the screen 7 will also shake, which helps to improve the screening effect.
[0022] Specifically, a dust removal fan 56 is further provided in the dust collection bin 55. In this embodiment, the dust removal fan 56 can suck a small amount of dust generated by knocking the crop straw into the dust collection bin 55 to prevent the dust from escaping to the external environment.
[0023] Specifically, a toggle member 8 is further provided above the crushing roller 4, and the toggle member 8 includes a first rotating shaft 81, a toggle rod 82 and a telescopic rod 83. The first rotating shaft 81 is rotatably connected to the inner wall of the crushing box 2, one end of the first rotating shaft 81 is connected to the toggle rod 82, and the other end of the first rotating shaft 81 extends out of the crushing box 2 and is fixedly connected to one end of the telescopic rod 83, and the other end of the telescopic rod 83 is hinged to the base 1. In this embodiment, the toggle member 8 can continuously toggle the material above the crushing roller 4 to prevent the straw from stacking and jamming the machine, thereby improving the crushing effect. Among them, the first rotating shaft 81 is horizontally arranged above the crushing roller 4, and the first rotating shaft 81 can rotate on the inner wall of the crushing box 2; the toggle rod 82 is an L-shaped rod, and the rotation of the first rotating shaft 81 can drive the toggle rod 82 to swing, thereby achieving the effect of toggling the straw; the retractable rod 83 is a retractable structure that can be freely retracted. When the crushing box 2 slides on the base 1, it can drive the retractable rod 83 to swing synchronously, and then drive the first rotating shaft 81 to rotate, so as to realize the function of synchronously toggling the straw.
[0024] Specifically, a dust cover 57 is hingedly connected to the other end of the feed barrel 51. In this embodiment, the dust cover 57 can seal the opening of the feed barrel 51 to prevent dust from escaping and polluting the environment.
[0025] Working principle: When in use, first place the crop straw on the conveying roller 52 in the feed barrel 51, and start the conveying roller 52 to drive the crop straw to move to the side of the crushing box 2 to achieve automatic feeding, then start the hydraulic press 53 and the dust removal fan 56, the hydraulic press 53 drives the percussion hammer 54 to reciprocately percuss the crop straw, shake off the soil adhering to the surface of the straw and flatten the straw, the fallen soil falls into the dust collection bin 55 through the gap between the conveying rollers 52 for storage, and the dust removal fan 56 will suck the dust generated by the percussion into the dust collection bin 55, thereby completing the pretreatment process. After the pretreated straw enters the crushing box 2, the crushing roller 4 crushes the straw into fine particles, and after filtering through the screen 7, the straw particles with qualified particle size fall into the storage box 6 for storage. At the same time, during the crushing process, the swing motor 31 will drive the turntable 32 to rotate, and then drive the crushing box 2 to slide left and right through the transmission rod 33, so that the material inside the crushing box 2 will shake, and the crushing box 2 will also drive the retractable rod 83 to swing when sliding, and then drive the toggle rod 82 to swing synchronously through the first rotating shaft 81, thereby toggling the straw above the crushing roller 4 to prevent stacking and jamming.
[0026] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.
Claims
1. A crop straw crushing device, characterized in that: The invention comprises a base (1), a crushing box (2), a shaking mechanism (3), a crushing roller (4), a pre-processing mechanism (5) and a material storage box (6); the base (1) is slidably connected with the crushing box (2); the shaking mechanism (3) is fixedly arranged on the base (1), and the shaking mechanism (3) is connected with the crushing box (2); two mutually meshing crushing rollers (4) are arranged in the crushing box (2); the top of the crushing box (2) is provided with a pre-processing mechanism (5); the pre-processing mechanism (5) comprises a feeding cylinder (51), a conveying roller (52), a hydraulic press (53), a knocking hammer (54) and a dust collecting bin (55); the feeding cylinder (51) is provided with a conveying roller (52), a hydraulic press (53), a knocking hammer (54) and a dust collecting bin (55); (51) is horizontally arranged above the crushing box (2), and one end of the feeding cylinder (51) is connected to the crushing box (2), more than two conveying rollers (52) are evenly arranged on the inner wall of the feeding cylinder (51) in the horizontal direction, and a percussion hammer (54) is arranged above the conveying roller (52), a hydraulic press (53) is fixed on the top of the feeding cylinder (51), and the output end of the hydraulic press (53) is connected to the percussion hammer (54), a dust collection bin (55) is arranged below the conveying roller (52), and a storage box (6) is also arranged at the lower part of the base (1), and the bottom discharge port of the crushing box (2) is aligned with the top opening of the storage box (6).
2. The crop straw crushing device according to claim 1, characterized in that: The shaking mechanism (3) comprises a swing motor (31), a rotating disk (32) and a transmission rod (33); the swing motor (31) is fixedly mounted on the base (1); the output end of the swing motor (31) is connected to the rotating disk (32); one end of the transmission rod (33) is eccentrically hinged on the rotating disk (32); and the other end of the transmission rod (33) is hinged to one side of the crushing box (2).
3. The crop straw crushing device according to claim 1, characterized in that: A screen (7) is fixedly arranged below the crushing roller (4).
4. The crop straw crushing device according to claim 1, characterized in that: A dust removal fan (56) is also provided in the dust collection bin (55).
5. The crop straw crushing device according to claim 1, characterized in that: A toggle member (8) is also provided above the crushing roller (4), the toggle member (8) comprising a first rotating shaft (81), a toggle rod (82) and a telescopic rod (83), the first rotating shaft (81) being rotatably connected to the inner wall of the crushing box (2), one end of the first rotating shaft (81) being connected to the toggle rod (82), the other end of the first rotating shaft (81) extending out of the crushing box (2) and being fixedly connected to one end of the telescopic rod (83), the other end of the telescopic rod (83) being hinged to the base (1).
6. The crop straw crushing device according to claim 1, characterized in that: The other end of the feed barrel (51) is hinged with a dustproof cover plate (57).