High-speed impact type straw ultrafine crushing device

Abstract

The utility model relates to the technical field of straw smashing, in particular to a high-speed impact type straw ultrafine smashing device which can automatically convey straw to the position below a cutting-off mechanism to be continuously cut off, avoids manual pushing of the straw, and is convenient to use, low in labor intensity and high in practicability. Comprising a baseplate; the conveying mechanism is installed on the bottom plate, the conveying mechanism has a material conveying function, the cutting mechanism is installed on the bottom plate and located on the right side of the conveying mechanism, the spiral conveyor is installed on the bottom plate, a feeding port is formed in the spiral conveyor, and the crushing mechanism is located on the right side of the cutting mechanism. The output end of the spiral conveyor is located above the smashing mechanism, and the smashing mechanism has the smashing function.

Description

Technical Field

[0001] The utility model relates to the technical field of straw crushing, in particular to a high-speed impact type straw ultra-fine crushing device. Background Art

[0002] As one of the main by-products of crop harvesting in China, straw has a very rich yield. The powder obtained by crushing straw can not only be used as a biodegradable material, but also as a raw material for biogas. When crushing straw, a crushing device is required to crush the straw; in the prior art, the utility model patent with the patent application number 202123071038.2 discloses a corn straw crushing device, which mainly consists of a feeding funnel, a cylinder body, cutting knives and crushing knives, etc. The cutting knives and crushing knives are both installed in the cylinder body. When crushing straw, the straw is continuously pushed into the cylinder body through the feeding funnel. When the straw is pushed into the cylinder body, the cutting knives move reciprocally continuously to cut the straw into small sections, and then the cut straw enters the cylinder body and is crushed by the crushing knives; the inventor believes that there are the following problems in its use process. When cutting the straw with the cutting knives, it is also necessary for the staff to manually push the straw into the cylinder body continuously, and the labor intensity of pushing the straw for feeding by hand is relatively large, and it is not convenient to use. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a high-speed impact type straw ultra-fine crushing device which can automatically convey straw to the lower part of the cutting mechanism for continuous cutting, avoiding manual pushing of straw, being convenient to use, having low labor intensity and high practicability.

[0004] The high-speed impact type straw ultra-fine crushing device of the utility model comprises a bottom plate; it further comprises a conveying mechanism, a cutting mechanism, a crushing mechanism and a screw conveyor. The conveying mechanism is installed on the bottom plate and has the function of conveying materials. The cutting mechanism is installed on the bottom plate and is located on the right side of the conveying mechanism. The screw conveyor is installed on the bottom plate and is provided with a feeding port. The output end of the screw conveyor is located above the crushing mechanism, and the crushing mechanism has a crushing function; when crushing straw, first place the bundled straw on the conveying mechanism, and then the conveying mechanism continuously conveys the straw to the right. At the same time, the cutting mechanism cuts the straw conveyed to the lower part of the cutting mechanism, so that the straw is cut into small sections. The cut straw enters the screw conveyor through the feeding port of the screw conveyor, and then the screw conveyor conveys the cut straw into the crushing mechanism, and then the crushing mechanism crushes the cut straw into powder; when cutting the straw, it can automatically convey the straw to the lower part of the cutting mechanism for continuous cutting, avoiding manual pushing of straw, being convenient to use, having low labor intensity and high practicability.

[0005] Preferably, the conveying mechanism includes a belt conveyor and a pressing mechanism. The belt conveyor is fixedly installed on the bottom plate, and a conveyor belt is arranged on the belt conveyor. The pressing mechanism is located below the conveyor belt and has the following functions. When conveying straw, the dried and bundled straw is placed on the conveyor belt. At the same time, the conveyor belt is driven by the belt conveyor to move the straw to the right until the part of the straw that needs to be cut moves below the cutting mechanism. The straw is pressed against the conveyor belt by the pressing mechanism, and then the straw is cut by the cutting mechanism. It can automatically convey the straw, is convenient to use, and has low labor intensity.

[0006] Preferably, the pressing mechanism includes a fixing plate, a hydraulic cylinder, a lifting rod, a lifting plate, a sliding rod, a spring, a fixing block and a pressing roller. The hydraulic cylinder is fixedly installed at the upper end of the fixing plate. The lifting rod is slidably installed on the fixing plate up and down. The lifting plate is fixedly installed at the lower end of the lifting rod. The upper end of the lifting rod is connected to the output end of the hydraulic cylinder. The sliding rod is slidably installed on the lifting plate up and down. The upper end of the spring is fixedly installed on the lifting plate. The fixing block is fixedly installed at the lower ends of the sliding rod and the spring. The pressing roller is rotatably installed on the fixing block, and the pressing roller is located above the conveyor belt. The fixing plate is fixedly hoisted on the bracket in the workshop. When the part of the straw that needs to be cut moves below the cutting mechanism, the hydraulic cylinder is opened. The hydraulic cylinder drives the lifting plate to drive the spring to descend through the lifting rod. The spring drives the fixing block and the pressing roller to descend until the lower end of the pressing roller contacts the straw. The straw is pressed against the conveyor belt by the pressing roller, which improves the stability of the straw during the cutting process.

[0007] Preferably, the cutting mechanism includes a hanging plate, a cylinder, a push rod, a sliding rod, an upper cutting knife, a lower cutting knife and a diversion plate. The cylinder is fixedly installed at the upper end of the hanging plate. The push rod and the sliding rod are both slidably installed on the hanging plate up and down. The upper end of the push rod is connected to the output end of the cylinder. The upper cutting knife is fixedly installed at the lower ends of the sliding rod and the push rod. The lower cutting knife is located below the upper cutting knife and is fixedly installed on the bottom plate. The diversion plate is inclinedly installed at the right end of the lower cutting knife, and the lower end of the diversion plate is located above the feed inlet of the screw conveyor. The fixing plate is fixedly hoisted on the bracket of the vehicle frame. When the part of the straw that needs to be cut moves below the upper cutting knife, the cylinder is opened. The cylinder drives the upper cutting knife to impact downward through the push rod. The upper cutting knife contacts the straw during the downward high-speed impact process, and the straw is cut by the upper cutting knife. The cut straw falls onto the diversion plate, and then the straw slides onto the feed inlet of the screw conveyor through the diversion plate. Then the straw is conveyed into the conveying mechanism by the screw conveyor for crushing. It is convenient to cut the straw.

[0008] Preferably, the crushing mechanism includes a crushing box, a support plate, a motor, and a crushing roller. The crushing box is fixedly installed on the bottom plate through the support plate. The lower end of the crushing box is arc-shaped. A chamber is provided inside the crushing box. Multiple through holes communicating with the chamber are provided at the lower part of the crushing box. The motor is fixedly installed on the crushing box. The crushing roller is rotatably installed on the crushing box. The input end of the crushing roller is connected to the motor. Multiple crushing knives are provided on the crushing roller. All the multiple crushing knives are located inside the chamber of the crushing box. The output end of the screw conveyor is located above the crushing box. After the cut straw is conveyed into the chamber of the crushing box by the screw conveyor, turn on the motor. The motor drives the multiple crushing knives to rotate through the crushing roller. The multiple crushing knives crush the straw in the chamber of the crushing box into powder during rotation, which facilitates the crushing of the straw.

[0009] Preferably, it further includes a collection box. The collection box is placed on the bottom plate and is located below the crushing box. Through the above settings, the crushed straw in the crushing box can fall into the collection box through multiple through holes at the lower part of the crushing box for collection, which facilitates the collection of the crushed straw.

[0010] Preferably, the crushing box is made of stainless steel. Through the above settings, the rusting of the crushing box is delayed and the service life of the crushing box is improved.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: It can automatically convey the straw to the lower part of the cutting mechanism for continuous cutting, avoiding manual pushing of the straw, being convenient to use, having a low labor intensity, and high practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the first axonometric structure schematic diagram of the present utility model;

[0013] Figure 2 is the second axonometric structure schematic diagram of the present utility model;

[0014] Figure 3 is the structure schematic diagram of the spring, hydraulic cylinder, fixing plate, etc.;

[0015] Figure 4 is the structure schematic diagram of the cutting mechanism;

[0016] Figure 5 is the structure schematic diagram of the motor and the crushing roller.

[0017] Labels in the attached drawings: 1, bottom plate; 2, screw conveyor; 3, belt conveyor; 4, conveyor belt; 5, fixing plate; 6, hydraulic cylinder; 7, lifting rod; 8, lifting plate; 9, sliding rod; 10, spring; 11, fixing block; 12, pressure roller; 13, hoisting plate; 14, cylinder; 15, push rod; 16, sliding rod; 17, upper cutter; 18, lower cutter; 19, deflector; 20, crushing box; 21, support plate; 22, motor; 23, crushing roller; 24, collection box. Specific implementation mode

[0018] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant attached drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0019] Embodiment 1

[0020] As Figures 1 to 5 , the high-speed impact type straw ultra-fine powder crushing device of the present invention includes a bottom plate 1, a conveying mechanism, a cutting mechanism, a crushing mechanism and a screw conveyor 2. The conveying mechanism is installed on the bottom plate 1 and has the function of conveying materials. The cutting mechanism is installed on the bottom plate 1 and is located on the right side of the conveying mechanism. The screw conveyor 2 is installed on the bottom plate 1. The screw conveyor 2 is provided with a feed inlet, and the output end of the screw conveyor 2 is located above the crushing mechanism. The crushing mechanism has a crushing function; when crushing straw, first place the bundled straw on the conveying mechanism, and then the conveying mechanism continuously conveys the straw to the right. At the same time, the straw conveyed to the lower part of the cutting mechanism is cut by the cutting mechanism, so that the straw is cut into small sections. The cut straw enters the screw conveyor 2 through the feed inlet of the screw conveyor 2, and then the screw conveyor 2 conveys the cut straw into the crushing mechanism, and then the crushing mechanism crushes the cut straw into powder; when cutting the straw, it can automatically convey the straw to the lower part of the cutting mechanism and continuously cut it, avoiding manual pushing of the straw, being convenient to use, having a low labor intensity and high practicability.

[0021] As Figure 1 , the conveying mechanism includes a belt conveyor 3 and a pressing mechanism. The belt conveyor 3 is fixedly installed on the bottom plate 1. The belt conveyor 3 is provided with a conveyor belt 4. The pressing mechanism is located below the conveyor belt 4 and has the function of pressing down; when conveying straw, place the dried and bundled straw on the conveyor belt 4, and at the same time, the conveyor belt 4 is driven by the belt conveyor 3 to drive the straw to move to the right until the part of the straw to be cut moves to the lower part of the cutting mechanism. The straw is pressed tightly on the conveyor belt 4 by the pressing mechanism, and then the straw is cut by the cutting mechanism; it can automatically convey the straw, is convenient to use and has a low labor intensity.

[0022] As Figure 1 and Figure 3 shown in FIGS. and, the pressing mechanism includes a fixing plate 5, a hydraulic cylinder 6, a lifting rod 7, a lifting plate 8, a sliding rod 9, a spring 10, a fixing block 11, and a pressing roller 12. The hydraulic cylinder 6 is fixedly installed at the upper end of the fixing plate 5. The lifting rod 7 is slidably installed up and down on the fixing plate 5. The lifting plate 8 is fixedly installed at the lower end of the lifting rod 7. The upper end of the lifting rod 7 is connected to the output end of the hydraulic cylinder 6. The sliding rod 9 is slidably installed up and down on the lifting plate 8. The upper end of the spring 10 is fixedly installed on the lifting plate 8. The fixing block 11 is fixedly installed at the lower ends of the sliding rod 9 and the spring 10. The pressing roller 12 is rotatably installed on the fixing block 11. The pressing roller 12 is located above the conveyor belt 4. The fixing plate 5 is fixedly hoisted on the bracket in the workshop. When the part of the straw that needs to be cut moves below the cutting mechanism, the hydraulic cylinder 6 is opened. The hydraulic cylinder 6 drives the lifting plate 8 to drive the spring 10 to descend through the lifting rod 7. The spring 10 drives the fixing block 11 and the pressing roller 12 to descend until the lower end of the pressing roller 12 contacts the straw. The straw is pressed against the conveyor belt 4 by the pressing roller 12, improving the stability of the straw during the cutting process.

[0023] As Figure 1 and Figure 4 shown in FIGS. and, the cutting mechanism includes a hoisting plate 13, a cylinder 14, a push rod 15, a sliding rod 16, an upper cutter 17, a lower cutter 18, and a deflector 19. The cylinder 14 is fixedly installed at the upper end of the hoisting plate 13. The push rod 15 and the sliding rod 16 are both slidably installed up and down on the hoisting plate 13. The upper end of the push rod 15 is connected to the output end of the cylinder 14. The upper cutter 17 is fixedly installed at the lower ends of the sliding rod 16 and the push rod 15. The lower cutter 18 is located below the upper cutter 17. The lower cutter 18 is fixedly installed on the bottom plate 1. The deflector 19 is obliquely installed at the right end of the lower cutter 18. The lower end of the deflector 19 is located above the feed inlet of the screw conveyor 2. The fixing plate 5 is fixedly hoisted on the bracket of the vehicle frame. When the part of the straw that needs to be cut moves below the upper cutter 17, the cylinder 14 is opened. The cylinder 14 drives the upper cutter 17 to impact downward through the push rod 15. The upper cutter 17 contacts the straw during the downward high-speed impact process. The straw is cut by the upper cutter 17. The cut straw falls onto the deflector 19. Then the straw slides onto the feed inlet of the screw conveyor 2 through the deflector 19. Then the straw is conveyed into the conveying mechanism by the screw conveyor 2 and crushed; facilitating the cutting of the straw.

[0024] As Figure 1 and Figure 5, the crushing mechanism includes a crushing box 20, a support plate 21, a motor 22 and a crushing roller 23. The crushing box 20 is fixedly installed on the bottom plate 1 through the support plate 21. The lower end of the crushing box 20 is arc-shaped. A chamber is provided inside the crushing box 20. Multiple groups of through holes communicating with the chamber are provided at the lower part of the crushing box 20. The motor 22 is fixedly installed on the crushing box 20. The crushing roller 23 is rotatably installed on the crushing box 20. The input end of the crushing roller 23 is connected to the motor 22. Multiple groups of crushing knives are provided on the crushing roller 23. All the multiple groups of crushing knives are located inside the chamber of the crushing box 20. The output end of the screw conveyor 2 is located above the crushing box 20. After the cut straw is conveyed into the chamber of the crushing box 20 by the screw conveyor 2, turn on the motor 22. The motor 22 drives the multiple groups of crushing knives to rotate through the crushing roller 23. The multiple groups of crushing knives crush the straw in the chamber of the crushing box 20 into powder during rotation; this facilitates the crushing of the straw. The material of the crushing box 20 is stainless steel.

[0025] Embodiment 2

[0026] As Figure 1 , on the basis of Embodiment 1, a collection box 24 is added. The collection box 24 is placed on the bottom plate 1. The collection box 24 is located below the crushing box 20. Through the above settings, the crushed straw in the crushing box 20 can fall into the collection box 24 through multiple groups of through holes at the lower part of the crushing box 20 for collection; this facilitates the collection of the crushed straw.

[0027] The screw conveyor 2, belt conveyor 3, spring 10, cylinder 14, motor 22 and crushing roller 23 of the high-speed impact type straw ultra-fine crushing device of the present utility model are all purchased on the market. Those skilled in the industry only need to install and operate according to the attached operation manuals, without the need for those skilled in the art to perform creative labor.

[0028] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A high-speed impact straw ultra-fine pulverizing device, comprising a bottom plate (1); characterized in that: It also comprises a conveying mechanism, a cutting mechanism, a pulverizing mechanism and a screw conveyor (2), wherein the conveying mechanism is mounted on the bottom plate (1) and has the function of conveying materials, the cutting mechanism is mounted on the bottom plate (1) and is located on the right side of the conveying mechanism, the screw conveyor (2) is mounted on the bottom plate (1) and is provided with a feed port, the output end of the screw conveyor (2) is located above the pulverizing mechanism and the pulverizing mechanism has a pulverizing function.

2. A high-speed impact straw ultrafine pulverizing device as claimed in claim 1, characterized in that: The conveying mechanism comprises a belt conveyor (3) and a pressing mechanism. The belt conveyor (3) is fixedly mounted on a bottom plate (1). A conveyor belt (4) is arranged on the belt conveyor (3). The pressing mechanism is located below the conveyor belt (4) and has a downward function.

3. A high-speed impact straw ultrafine pulverizing device as claimed in claim 2, characterized in that: The pressing mechanism comprises a fixed plate (5), a hydraulic cylinder (6), a lifting rod (7), a lifting plate (8), a sliding rod (9), a spring (10), a fixed block (11) and a pressure roller (12); the hydraulic cylinder (6) is fixedly mounted on the upper end of the fixed plate (5); the lifting rod (7) is slidably mounted on the fixed plate (5); the lifting plate (8) is fixedly mounted on the lower end of the lifting rod (7); the upper end of the lifting rod (7) is connected to the output end of the hydraulic cylinder (6); the sliding rod (9) is slidably mounted on the lifting plate (8); the upper end of the spring (10) is fixedly mounted on the lifting plate (8); the fixed block (11) is fixedly mounted on the lower ends of the sliding rod (9) and the spring (10); the pressure roller (12) is rotatably mounted on the fixed block (11); and the pressure roller (12) is located above the conveyor belt (4).

4. The high-speed impact straw ultrafine pulverizing device according to claim 1, characterized in that: The cutting mechanism comprises a hanging plate (13), a cylinder (14), a push rod (15), a sliding rod (16), an upper cutter (17), a lower cutter (18) and a guide plate (19); the cylinder (14) is fixedly mounted on the upper end of the hanging plate (13); the push rod (15) and the sliding rod (16) are both slidably mounted on the hanging plate (13); the upper end of the push rod (15) is connected to the output end of the cylinder (14); the upper cutter (17) is fixedly mounted on the lower ends of the sliding rod (16) and the push rod (15); the lower cutter (18) is located below the upper cutter (17); the lower cutter (18) is fixedly mounted on the bottom plate (1); the guide plate (19) is obliquely mounted on the right end of the lower cutter (18); and the lower end of the guide plate (19) is located above the feed port of the screw conveyor (2).

5. The high-speed impact straw ultrafine pulverizing device according to claim 1, characterized in that: The pulverizing mechanism comprises a pulverizing box (20), a support plate (21), a motor (22) and a pulverizing roller (23); the pulverizing box (20) is fixedly mounted on the bottom plate (1) via the support plate (21); the lower end of the pulverizing box (20) is arc-shaped; a chamber is arranged in the pulverizing box (20); a plurality of through holes communicating with the chamber are arranged at the lower part of the pulverizing box (20); the motor (22) is fixedly mounted on the pulverizing box (20); the pulverizing roller (23) is rotatably mounted on the pulverizing box (20); the input end of the pulverizing roller (23) is connected to the motor (22); a plurality of groups of pulverizing knives are arranged on the pulverizing roller (23); the plurality of groups of pulverizing knives are all located in the chamber of the pulverizing box (20); and the output end of the screw conveyor (2) is located above the pulverizing box (20).

6. A high-speed impact straw ultrafine pulverizing device as claimed in claim 5, characterized in that: It also includes a collection box (24), which is placed on the bottom plate (1) and is located below the crushing box (20).

7. The high-speed impact straw ultrafine pulverizing device according to claim 5, characterized in that: The crushing box (20) is made of stainless steel.

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