Straw pulverizer for straw returning to field

Abstract

The invention discloses a straw smashing machine for straw returning to the field, the straw smashing machine comprises a smashing box, a smashing mechanism is arranged at the top of the inner surface of the smashing box, a cutting mechanism is arranged at the bottom of the inner surface of the smashing box, and the cutting mechanism comprises a protection box. By arranging a double-shaft motor, a threaded rod, a threaded sleeve, a supporting plate, a mounting plate and a cut-off tool, smashed straw can be cut off and cut into smashed segments, the smashing effect is improved, follow-up returning to the field is facilitated, the straw smashing effect is good through the mode, secondary smashing is not needed, and the smashing efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of straw crushing, in particular to a straw crusher for returning straw to fields. Background Art

[0002] In recent years, since the laws and regulations prohibiting the burning of various agricultural crop straws in the fields have been enforced, straw crushing and returning it to the field has become one of the methods for comprehensive and effective utilization of straw. It can not only improve soil fertility, restore soil aggregate structure, and reduce straw transportation costs, but also avoid and eliminate environmental pollution caused by straw burning in the field. Therefore, a straw crusher is needed. Although the straw crushers currently used can meet normal use needs, they still have defects in actual use. For example, the straw crushers currently used have poor crushing effect and often leave a lot of incompletely crushed straw, which requires secondary crushing, resulting in low crushing efficiency and needs to be improved. Therefore, a straw crusher for returning straw to the field is now proposed. Summary of the Invention

[0003] In order to improve the crushing effect, a large amount of incompletely crushed straw is often left, which requires secondary crushing. The present invention provides a straw crusher for returning straw to the field.

[0004] The present invention provides a straw crusher for returning straw to fields, which adopts the following technical solutions:

[0005] A straw crusher for returning straw to fields comprises a crushing box, a crushing mechanism is provided on the top of the inner surface of the crushing box, and a cutting mechanism is provided on the bottom of the inner surface of the crushing box;

[0006] The cutting mechanism includes a protective box, which is fixedly installed at the bottom of the left side of the crushing box, and a dual-axis motor is fixedly installed at the center of the inner cavity of the protective box. The output ends on the front and back of the dual-axis motor are fixedly connected to threaded rods, and the end of the threaded rod away from the dual-axis motor is rotatably connected to the connection with the inner cavity of the protective box through a bearing. The outer surface of the threaded rod is threadedly connected to a threaded sleeve, and the bottom of the threaded sleeve is fixedly connected to a support plate, and the end of the support plate away from the threaded sleeve is fixedly connected to a mounting plate, and the end of the mounting plate away from the support plate is fixedly connected to a cutting knife.

[0007] By adopting the above technical solution, the crushed straw can be cut into small segments, the crushing effect can be improved, and the subsequent use of returning to the field can be facilitated. This method has a good straw crushing effect, does not require secondary crushing, and has high crushing efficiency.

[0008] Optionally, the crushing mechanism includes a drive box and a belt, the drive box is fixedly installed on the top of the left side of the crushing box, the left side of the inner cavity of the drive box is fixedly connected to a drive motor, the output end of the drive motor is fixedly connected to a driving pulley, the front and rear positions on the right side of the inner cavity of the crushing box are rotatably connected to a rotating shaft through bearings, the outer surface of the rotating shaft is evenly fixedly connected to a crushing knife, and the left side of the rotating shaft at the rear is fixedly connected to a driven pulley, and the driving pulley and the driven pulley are connected by a belt transmission.

[0009] By adopting the above technical solution, long straw can be crushed.

[0010] Optionally, a guide plate is fixedly connected to the bottom of the inner surface of the crushing box, and a vibration motor is fixedly installed on the left side of the bottom of the guide plate.

[0011] By adopting the above technical solution, the crushed straw can be diverted.

[0012] Optionally, a slider is fixedly connected to the top of the threaded sleeve, and a sliding groove for cooperating with the slider is provided at the top of the inner cavity of the protective box, and the outer surface of the slider is slidably connected to the inner surface of the sliding groove.

[0013] By adopting the above technical solution, the movement of the threaded sleeve can be guided and limited.

[0014] Optionally, a feed pipe is provided at the top of the crushing box, and a discharge port is provided at the bottom of the right side of the crushing box.

[0015] By adopting the above technical solution, it is possible to facilitate feeding of straw.

[0016] Optionally, the four corners of the bottom of the crushing box are movably connected to positioning cylinders, the bottom of the positioning cylinder is threadedly connected to a screw, and the bottom of the screw is fixedly connected to a cushion block.

[0017] By adopting the above technical solution, the bottom of the crushing box can be supported and reinforced.

[0018] Optionally, the four corners of the bottom of the crushing box are movably connected to movable wheels, and a control panel is fixedly installed on the front of the crushing box.

[0019] By adopting the above technical solution, the crushing box can be easily moved.

[0020] Optionally, through slots are provided at the front and rear positions of the bottom of the protective box, and the outer surface of the support plate is slidably connected to the inner surface of the through slots.

[0021] By adopting the above technical solution, the support plate can be easily moved.

[0022] In summary, the present invention has the following beneficial effects:

[0023] The present invention is capable of crushing long straw by providing a crushing mechanism, and can cut the crushed straw into small segments by providing a dual-axis motor, a threaded rod, a threaded sleeve, a support plate, a mounting plate and a cutting knife, thereby improving the crushing effect and facilitating subsequent use in the field. This method has a good straw crushing effect, does not require secondary crushing, and has a high crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 is a cross-sectional view of the structure of the present invention;

[0026] Figure 3 A top cross-sectional view of the structure of the present invention;

[0027] Figure 4 It is a left sectional view of the protective box structure of the present invention.

[0028] In the figure: 1. Crushing box; 2. Crushing mechanism; 201. Drive box; 202. Belt; 203. Drive motor; 204. Active pulley; 205. Rotating shaft; 206. Crushing knife; 207. Driven pulley; 3. Cutting mechanism; 301. Protective box; 302. Dual-axis motor; 303. Threaded rod; 304. Threaded sleeve; 305. Support plate; 306. Mounting plate; 307. Cutting knife; 4. Guide plate; 5. Vibrating motor; 6. Slider; 7. Chute; 8. Feed pipe; 9. Discharge port; 10. Positioning cylinder; 11. Screw; 12. Pad. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention in specific circumstances.

[0032] Example:

[0033] Please refer to Figure 1-4 A straw crusher for returning straw to the field comprises a crushing box 1, a crushing mechanism 2 is provided on the top of the inner surface of the crushing box 1, a cutting mechanism 3 is provided on the bottom of the inner surface of the crushing box 1, and a trailer bar is provided on the bottom of the left side of the crushing box 1;

[0034] The cutting mechanism 3 includes a protective box 301, which is fixedly installed at the bottom of the left side of the crushing box 1. A dual-axis motor 302 is fixedly installed at the center of the inner cavity of the protective box 301. The output ends of the front and back of the dual-axis motor 302 are fixedly connected to threaded rods 303. The end of the threaded rod 303 away from the dual-axis motor 302 is rotatably connected to the connection with the inner cavity of the protective box 301 through a bearing. The outer surface of the threaded rod 303 is threadedly connected to a threaded sleeve 304, and the bottom of the threaded sleeve 304 is fixedly connected to a support plate 305. The end of the support plate 305 away from the threaded sleeve 304 is fixedly connected to a mounting plate 306, and the end of the mounting plate 306 away from the support plate 305 is fixedly connected to a cutting knife 307.

[0035] As a technical optimization solution of the present invention, further, the crushing mechanism 2 includes a drive box 201 and a belt 202. The drive box 201 is fixedly installed on the top of the left side of the crushing box 1. The left side of the inner cavity of the drive box 201 is fixedly connected to a drive motor 203. The output end of the drive motor 203 is fixedly connected to a driving pulley 204. The front and rear positions on the right side of the inner cavity of the crushing box 1 are rotatably connected to a rotating shaft 205 through bearings. The outer surface of the rotating shaft 205 is evenly fixedly connected to a crushing knife 206. The left side of the rear rotating shaft 205 is fixedly connected to a driven pulley 207. The driving pulley 204 and the driven pulley 207 are connected by a belt 202.

[0036] As a technical optimization solution of the present invention, further, a guide plate 4 is fixedly connected to the bottom of the inner surface of the crushing box 1, and a vibration motor 5 is fixedly installed on the left side of the bottom of the guide plate 4.

[0037] As a technical optimization solution of the present invention, further, the top of the threaded sleeve 304 is fixedly connected with a slider 6, and the top of the inner cavity of the protective box 301 is provided with a slide groove 7 for cooperating with the slider 6, and the outer surface of the slider 6 is slidably connected to the inner surface of the slide groove 7.

[0038] As a technical optimization solution of the present invention, further, a feed pipe 8 is opened on the top of the crushing box 1, and a discharge port 9 is opened on the bottom of the right side of the crushing box 1.

[0039] As a technical optimization solution of the present invention, further, the four corners of the bottom of the crushing box 1 are movably connected with positioning cylinders 10, the bottom of the positioning cylinder 10 is threadedly connected with a screw 11, and the bottom of the screw 11 is fixedly connected with a pad 12.

[0040] As a technical optimization solution of the present invention, further, the four corners of the bottom of the crushing box 1 are movably connected with moving wheels, and a control panel is fixedly installed on the front of the crushing box 1.

[0041] As a technical optimization solution of the present invention, further, through grooves are opened at the front and rear positions of the bottom of the protective box 301, and the outer surface of the support plate 305 is slidably connected to the inner surface of the through groove.

[0042] In this embodiment: by setting a driving motor 203, an active pulley 204, a belt 202, a driven pulley 207, a rotating shaft 205 and a crushing knife 206, a crushing mechanism 2 is constructed together, which can crush long straws. By setting a dual-axis motor 302, a threaded rod 303, a threaded sleeve 304, a support plate 305, a mounting plate 306 and a cutting knife 307, the crushed straw can be cut and cut into small segments, thereby improving the crushing effect and facilitating subsequent use in the field. This method has a good straw crushing effect, does not require secondary crushing, and has high crushing efficiency. By setting a trailer bar, it is convenient to connect The agricultural machinery can be connected for long-distance movement. By setting the guide plate 4 and the vibration motor 5, the crushed straw can be discharged. By setting the slider 6 and the slide 7, the movement of the threaded sleeve 304 can be guided and limited. By setting the feeding pipe 8, the straw feeding can be facilitated. By setting the discharge port 9, the crushed straw can be discharged. By setting the positioning cylinder 10, the screw 11 and the pad 12, the crushing box 1 can be supported. By setting the moving wheels, the crushing box 1 can be moved. By setting the control panel, the device can be controlled. By setting the through slot, the support plate 305 can be moved.

[0043] The implementation principle of the present invention is as follows: when in use, the crushing box 1 is connected to the agricultural machine through the trailer bar, and the agricultural machine is used to drag the crushing box 1 to move, and the crushing box 1 is moved to the farmland where the straw needs to be crushed. When crushing, the straw to be crushed is put into the crushing box 1 from the feed pipe 8, and the control switch of the drive motor 203 is started. The drive motor 203 drives the active pulley 204 to rotate, and the active pulley 204 drives the driven pulley 207 to rotate through the belt 202. The active pulley 204 and the driven pulley 207 drive the rotating shaft 205 to rotate, and the rotating shaft 205 drives the crushing knife 206 to rotate, and the crushed straw is crushed by the crushing knife 206. The screw threaded rod 303 is driven by the threaded sleeve 304 to move back and forth, and the threaded sleeve 304 drives the support plate 305, the mounting plate 306 and the cutting knife 307 to move back and forth. The two sets of cutting knives 307 cooperate to cut the crushed straw into small segments, thereby improving the crushing effect. Finally, the control switch of the vibration motor 5 is started, and the vibration motor 5 drives the guide plate 4 to vibrate, and the crushed straw can be discharged from the discharge port 9. This method has a good straw crushing effect, does not require secondary crushing, and has high crushing efficiency.

[0044] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A straw crusher for returning straw to fields, comprising a crushing box (1), characterized in that: A crushing mechanism (2) is provided on the top of the inner surface of the crushing box (1), and a cutting mechanism (3) is provided on the bottom of the inner surface of the crushing box (1); The cutting mechanism (3) comprises a protective box (301), the protective box (301) being fixedly mounted on the bottom of the left side of the crushing box (1), a dual-axis motor (302) being fixedly mounted at the center of the inner cavity of the protective box (301), the output ends of the front and back sides of the dual-axis motor (302) being fixedly connected to threaded rods (303), the end of the threaded rod (303) away from the dual-axis motor (302) being rotatably connected to the connection point of the inner cavity of the protective box (301) via a bearing, the outer surface of the threaded rod (303) being threadedly connected to a threaded sleeve (304), the bottom of the threaded sleeve (304) being fixedly connected to a support plate (305), the end of the support plate (305) away from the threaded sleeve (304) being fixedly connected to a mounting plate (306), and the end of the mounting plate (306) away from the support plate (305) being fixedly connected to a cutting knife (307).

2. The straw crusher for returning straw to fields according to claim 1, characterized in that: The crushing mechanism (2) comprises a drive box (201) and a belt (202). The drive box (201) is fixedly mounted on the top of the left side of the crushing box (1). The left side of the inner cavity of the drive box (201) is fixedly connected to a drive motor (203). The output end of the drive motor (203) is fixedly connected to a driving pulley (204). The front and rear positions of the right side of the inner cavity of the crushing box (1) are rotatably connected to a rotating shaft (205) through bearings. The outer surface of the rotating shaft (205) is evenly fixedly connected to a crushing knife (206). The left side of the rear rotating shaft (205) is fixedly connected to a driven pulley (207). The driving pulley (204) and the driven pulley (207) are connected to each other through a belt (202).

3. The straw crusher for returning straw to fields according to claim 1, characterized in that: A guide plate (4) is fixedly connected to the bottom of the inner surface of the crushing box (1), and a vibration motor (5) is fixedly installed on the left side of the bottom of the guide plate (4).

4. The straw crusher for returning straw to fields according to claim 1, characterized in that: The top of the threaded sleeve (304) is fixedly connected to a slider (6), and the top of the inner cavity of the protective box (301) is provided with a slide groove (7) used in conjunction with the slider (6), and the outer surface of the slider (6) is slidably connected to the inner surface of the slide groove (7).

5. The straw crusher for returning straw to fields according to claim 1, characterized in that: A feeding pipe (8) is provided on the top of the crushing box (1), and a discharge port (9) is provided on the bottom of the right side of the crushing box (1).

6. The straw crusher for returning straw to fields according to claim 1, characterized in that: The four corners of the bottom of the crushing box (1) are movably connected to positioning cylinders (10), the bottom of the positioning cylinder (10) is threadedly connected to a screw rod (11), and the bottom of the screw rod (11) is fixedly connected to a cushion block (12).

7. The straw crusher for returning straw to fields according to claim 1, characterized in that: The four corners of the bottom of the crushing box (1) are movably connected to movable wheels, and a control panel is fixedly installed on the front of the crushing box (1).

8. The straw crusher for returning straw to fields according to claim 1, characterized in that: Through slots are provided at the front and rear positions of the bottom of the protection box (301), and the outer surface of the support plate (305) is slidably connected to the inner surface of the through slots.

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