Straw pulverizer for agricultural machinery

Abstract

The utility model provides a straw pulverizer for agricultural machinery, which relates to the field of agricultural machinery and comprises a traction support, a pulverizing box is arranged above the traction support, the top surface of the pulverizing box is rotatably connected with a movable cover plate, one side of the movable cover plate is fixedly communicated with a feed port, and the outer wall of the pulverizing box is rotatably connected with a transmission shaft in a penetrating manner. A bottom plate is fixedly connected to the inner wall of the smashing box, a top screen plate is fixedly connected to the top face of the bottom plate, and fixed blades are fixedly connected to the inner wall of the bottom plate and the inner wall of the top screen plate. According to the straw cutting device, straw is put into the feeding port, the rotary cutting blades rotating highly are used for conducting rotary cutting on the put straw in advance, so that the straw is cut into straw sections similar in size, the cut straw enters the bottom plate to flow more easily, the straw sections are further smashed through the rotating smashing blades and the fixed blades, and therefore the straw cutting efficiency is improved. Therefore, the straws are crushed more comprehensively, and the straw crushing efficiency of the straw crusher is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a straw crusher for agricultural machinery. Background Art

[0002] Straw is the general term for the stem and leaf parts of mature crops. It is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter, and is a multi-purpose renewable biological resource. At present, straw is mechanically crushed into small fragments or particles, which can increase the surface area of ​​the straw, facilitate its decomposition and degradation, and also facilitate storage and transportation.

[0003] At present, when straw is crushed, due to the different lengths of straw, after being put into the straw crusher, part of the straw is easily stuck in the blades of the crusher, making it difficult to crush the straw quickly, resulting in low crushing efficiency and poor crushing effect, thus affecting the recycling of the straw. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that when straw is crushed, due to the different lengths of the straw, part of the straw is easily stuck in the blades of the crusher after being put into the straw crusher, making it difficult to crush the straw quickly, resulting in low crushing efficiency and poor crushing effect, thereby affecting the recycling of the straw. A straw crusher for agricultural machinery is proposed to solve the problem.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a straw crusher for agricultural machinery, including a traction bracket, a crushing box is arranged above the traction bracket, the top surface of the crushing box is rotatably connected with a movable cover plate, one side of the movable cover plate is fixedly connected with a feed port, the outer wall of the crushing box passes through a transmission shaft that is rotatably connected, the inner wall of the crushing box is fixedly connected to a bottom plate, the top surface of the bottom plate is fixedly connected with a top screen plate, the inner walls of the bottom plate and the top screen plate are both fixedly connected with fixed blades, the outer wall of the bottom plate is penetrated with a discharge hole, the middle outer wall of the transmission shaft is fixedly connected with a crushing blade, and the outer wall of one end of the transmission shaft is fixedly sleeved with a rotary cutting blade.

[0006] Furthermore, a motor is installed on the top surface of the traction bracket, and a belt transmission assembly is connected between the output shaft end of the motor and one end of the transmission shaft.

[0007] Furthermore, a fixing block is fixedly connected to an outer wall of one side of the crushing box, a connecting shaft is rotatably connected to one side of the fixing block, and the connecting shaft is fixedly connected to the outer wall of the movable cover plate.

[0008] Furthermore, a fixing frame is fixedly connected to the top surface of the traction bracket.

[0009] Furthermore, the crushing box is connected through the top surface of the fixing frame.

[0010] Furthermore, the bottom surface of the crushing box is fixedly connected with a discharge port.

[0011] Furthermore, outer walls at both ends of the transmission shaft are movably sleeved with shaft support frames, and the shaft support frames are fixedly connected to the top surface of the fixing frame.

[0012] Furthermore, outer walls on both sides of the traction bracket are rotatably connected with wheels.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, the straw is put into the feed port, and the high-speed rotating rotary cutting blade is used to pre-rotate the put-in straw, so that the straw is cut into straw segments of similar size. The cut straw is easier to flow into the bottom plate, and the rotating crushing blade and the fixed blade are used to further crush the straw segments, so that the straw is crushed more comprehensively, and the straw crushing efficiency of the utility model is effectively improved.

[0015] 2. In the present invention, by using the bottom plate and the top screen plate in coordination, the crushed materials fall into the discharge port through the discharge hole and are discharged outward, so that the user can collect and process them conveniently. By setting the movable cover plate, the connecting shaft and the fixed block, the user can flip the movable cover plate from the crushing box to open it, so that the user can clean the inside of the present invention conveniently or repair it when a fault occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-dimensional structural diagram of a straw crusher for agricultural machinery;

[0017] Figure 2 The utility model provides a side view of the structure of a straw crusher for agricultural machinery;

[0018] Figure 3 The utility model provides a schematic diagram of the internal structure of a crushing box of a straw crusher for agricultural machinery;

[0019] Figure 4 The utility model provides a structural schematic diagram of a rotary cutting blade for a straw crusher used in agricultural machinery.

[0020] Legend: 1. Traction bracket; 2. Motor; 3. Crushing box; 31. Movable cover; 32. Feed inlet; 33. Drive shaft; 34. Discharge outlet; 35. Connecting shaft; 36. Fixed block; 37. Crushing blade; 38. Peeling blade; 4. Fixed frame; 5. Wheel; 6. Belt drive assembly; 7. Shaft support frame; 8. Bottom plate; 81. Top screen plate; 82. Fixed blade; 83. Discharge hole. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1 - Figure 4 As shown, the utility model provides a straw crusher for agricultural machinery, including a traction bracket 1, a crushing box 3 is arranged above the traction bracket 1, the top surface of the crushing box 3 is rotatably connected with a movable cover plate 31, one side of the movable cover plate 31 is fixedly connected with a feed port 32, the outer wall of the crushing box 3 passes through a transmission shaft 33 that is rotatably connected, the inner wall of the crushing box 3 is fixedly connected with a bottom plate 8, the top surface of the bottom plate 8 is fixedly connected with a top screen plate 81, the inner walls of the bottom plate 8 and the top screen plate 81 are both fixedly connected with fixed blades 82, the outer wall of the bottom plate 8 passes through a discharge hole 83, the middle outer wall of the transmission shaft 33 is fixedly connected with a crushing blade 37, and the outer wall of one end of the transmission shaft 33 is fixedly sleeved with a rotary cutting blade 38.

[0024] The effect achieved by the entire embodiment 1 is that the straw is put into the feed port 32, and the high-speed rotating rotary cutting blade 38 is used to pre-rotate the put-in straw, so that the straw is cut into straw segments of similar size. The cut straw is easier to flow into the bottom plate 8, and the rotating crushing blade 37 and the fixed blade 82 are used to further crush the straw segments, so that the straw is crushed more comprehensively, and the straw crushing efficiency of the utility model is effectively improved. Through the coordinated use of the bottom plate 8 and the top screen plate 81, the crushed material falls into the discharge port 34 through the discharge hole 83 and is discharged outward, thereby facilitating the user to collect and process it.

[0025] Embodiment 2, as Figure 1 - Figure 4As shown, the difference between this embodiment and embodiment 1 is that a motor 2 is installed on the top surface of the traction bracket 1, and a belt transmission assembly 6 is connected between the output shaft end of the motor 2 and one end of the transmission shaft 33, a fixing block 36 is fixedly connected to the outer wall of one side of the crushing box 3, and a connecting shaft 35 is rotatably connected to one side of the fixing block 36, and the connecting shaft 35 is fixedly connected to the outer wall of the movable cover plate 31, the top surface of the traction bracket 1 is fixedly connected to the fixing frame 4, the crushing box 3 is connected to the top surface of the fixing frame 4 through, and the bottom surface of the crushing box 3 is fixedly connected to the discharge port 34, and the outer walls of both ends of the transmission shaft 33 are movably sleeved with shaft support frames 7, and the shaft support frames 7 are fixedly connected to the top surface of the fixing frame 4, and the outer walls of both sides of the traction bracket 1 are rotatably connected to wheels 5.

[0026] The effect achieved by the entire embodiment 2 is that the driving shaft 33 is driven to rotate by the starting motor 2 through the belt drive assembly 6, so that the straw is crushed in the crushing box 3. Through the arrangement of the movable cover 31, the connecting shaft 35 and the fixed block 36, the user can flip the movable cover 31 from the crushing box 3 to open it, so that the user can clean the inside of the utility model or repair it when a fault occurs. Through the arrangement of the traction bracket 1 and the wheel 5, the utility model can be towed and pulled, so that the utility model can be moved for use.

[0027] Working principle: When in use, the utility model is connected to an external power source, the starter motor 2 drives the transmission shaft 33 to rotate through the belt drive assembly 6, the user puts the straw into the feed port 32, and uses the high-speed rotating rotary cutting blade 38 to pre-rotate the input straw so that the straw is cut into straw segments of similar sizes. The cut straw enters the bottom plate 8, and the rotating crushing blade 37 and the fixed blade 82 are used to further crush the straw segments. Through the coordinated use of the bottom plate 8 and the top screen plate 81, the crushed material falls into the discharge port 34 through the discharge hole 83 and is discharged outward, so that the user can collect and process it conveniently.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A straw crusher for agricultural machinery, comprising a traction support (1), characterized in that: A crushing box (3) is arranged above the traction bracket (1); the top surface of the crushing box (3) is rotatably connected to a movable cover plate (31); one side of the movable cover plate (31) is fixedly connected to a feed port (32); the outer wall of the crushing box (3) is penetrated by a transmission shaft (33) rotatably connected; the inner wall of the crushing box (3) is fixedly connected to a bottom plate (8); the top surface of the bottom plate (8) is fixedly connected to a top screen plate (81); the inner walls of the bottom plate (8) and the top screen plate (81) are both fixedly connected to fixed blades (82); a discharge hole (83) is penetrated through the outer wall of the bottom plate (8); a crushing blade (37) is fixedly connected to the middle outer wall of the transmission shaft (33); and a rotary cutting blade (38) is fixedly sleeved on the outer wall of one end of the transmission shaft (33).

2. The agricultural straw crusher according to claim 1, characterized in that: A motor (2) is installed on the top surface of the traction bracket (1), and a belt transmission assembly (6) is connected between the output shaft end of the motor (2) and one end of the transmission shaft (33).

3. The agricultural straw crusher according to claim 1, characterized in that: A fixing block (36) is fixedly connected to one side outer wall of the crushing box (3), and a connecting shaft (35) is rotatably connected to one side of the fixing block (36), and the connecting shaft (35) is fixedly connected to the outer wall of the movable cover plate (31).

4. The agricultural straw crusher according to claim 1, characterized in that: The top surface of the traction bracket (1) is fixedly connected to a fixing bracket (4).

5. The straw crusher for agricultural machinery according to claim 4, characterized in that: The crushing box (3) is connected through the top surface of the fixing frame (4).

6. The straw crusher for agricultural machinery according to claim 5, characterized in that: The bottom surface of the crushing box (3) is fixedly connected to a discharge port (34).

7. The straw crusher for agricultural machinery according to claim 1, characterized in that: The outer walls at both ends of the transmission shaft (33) are movably sleeved with shaft support frames (7), and the shaft support frames (7) are fixedly connected to the top surface of the fixing frame (4).

8. The straw crusher for agricultural machinery according to claim 1, characterized in that: The outer walls on both sides of the traction bracket (1) are rotatably connected to wheels (5).

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