Crop straw pulverizer
By designing a crop straw crusher that includes a segment cutting box and a crushing box, the problem of low crushing efficiency caused by poor cutting of corn stalks in the prior art is solved, and efficient crushing and flexible particle size adjustment are achieved.
Patent Information
- Application Number
- CN202520017600.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The existing corn stalk crushing device cannot effectively cut corn stalks, resulting in low crushing efficiency, long time, and difficulty in quickly responding to changes in particle size requirements in production, and lack of flexibility.
A crop straw crusher is designed, including a section cutting box and a crushing box. The arc-shaped rotor is driven by driving the motor to rotate, and the straw is cut into sections with the return spring and sliding block, and the cutting knife is driven to cut the straw through the crushing roller and discharge material. The motor performs crushing and discharge, and the adjustment knob can adjust the crushing particle size.
It improves the crushing efficiency of straw, reduces crushing time, prevents the shift and warping of straw during the cutting process, enhances production flexibility, and can quickly adjust the crushing particle size as needed.
Smart Images
Figure CN222424795U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural production, and more specifically, to a crop straw crusher. Background Art
[0002] The crop straw crusher is a mechanical equipment specially used for crushing crop straw (such as corn straw, wheat straw, etc.). This equipment uses high-speed blades to quickly crush the straw into the required fineness, which is convenient for subsequent processing and utilization, such as feed, fertilizer, biomass energy, etc.
[0003] The existing corn stalk crushing device does not cut the corn stalk into small segments when in use. Therefore, the crushing device is very inconvenient when crushing the corn stalk, which leads to low crushing efficiency of the corn stalk and requires a long crushing time. The corn stalk crushed material is prone to blockage during the feeding process. During the production process, the demand for the particle size of the straw crushing may change. The existing crushers are difficult to respond to these changes quickly, resulting in insufficient production flexibility. Utility Model Content
[0004] In view of the problems existing in the prior art, the utility model provides a crop straw crusher to solve the technical problem mentioned in the background technology that the straw is not cut into segments, which affects the crushing effect.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crop straw crusher comprises a crusher body, the crusher body comprises a cutting box and a crushing box, the cutting box is fixedly provided with a sliding sleeve, the sliding sleeve is slidably provided with a sliding rod, the bottom of the sliding rod extends into the cutting box and is fixedly provided with a fixed block, the fixed block is installed with a cutting knife, the top of the sliding rod is fixedly provided with a sliding block, the top of the cutting box is provided with a driving motor, the motor shaft of the driving motor is installed with an arc-shaped rotating wheel, one end of the sliding block is provided with a connecting shaft and a connecting sleeve that cooperate with the arc-shaped rotating wheel, the connecting shaft is fixedly provided at one end of the sliding block, and the connecting sleeve is rotatably provided on the connecting shaft And it contacts with the edge of the arc-shaped rotating wheel, a feed port is provided on one side of the cutting box, a tray is installed on one side of the feed port, a clamping frame is fixedly provided on the other end of the sliding block, a clamping plate is fixedly provided on the bottom of the clamping frame, the clamping plate is arranged above the tray and aligned with the tray, a crushing device is provided in the crushing box, inclined plates are symmetrically provided at the bottom of the crushing box, a discharge pipe is provided between the bottoms of the inclined plates, a discharge motor is provided at one end of the discharge pipe, the discharge motor is arranged on the outside of the crushing box, and a discharge shaft and a spiral blade are fixedly provided on the motor shaft of the discharge motor in the crushing box, and the spiral blade is fixedly provided on the discharge shaft and is adapted to the size of the discharge pipe.
[0006] The utility model is further configured that fixed rails cooperating with the fixed blocks are fixedly arranged on both sides of the cutting box to limit the moving direction of the fixed blocks.
[0007] The utility model is further configured that a reset spring is provided between the sliding sleeve and the sliding block, and the reset spring is sleeved on the outer side of the sliding rod to facilitate the sliding block to move upward for reset.
[0008] The utility model is further configured as follows: the crushing device includes a crushing roller, movable grooves are symmetrically provided on the front and rear sides of the crushing box, movable blocks are symmetrically slidably provided on the left and right sides of each movable groove, the crushing roller is rotatably arranged on the movable blocks corresponding to the front and rear sides, and a crushing motor is provided on the two front movable blocks, and the motor shaft of the crushing motor is fixedly connected to the crushing roller, and the position of the crushing roller is adjusted by the position of the movable groove and the movable block, and the crushing roller is driven to rotate by the crushing motor to crush the straw.
[0009] The utility model is further configured that both upper and lower sides of the moving groove are provided with limit blocks, and the moving block is provided with a limit groove to limit the moving direction and position of the moving block.
[0010] The utility model is further configured as follows: adjustment blocks are fixedly provided on the left and right sides of the movable groove on the rear side, and adjustment plates are fixedly provided on the two movable blocks located on the movable groove on the rear side. An adjustment screw is rotatably provided between the two adjustment blocks. The adjustment screw adopts a bidirectional screw, and symmetrically opposite threads are provided on the adjustment screw. The adjustment screw is threadedly connected with the adjustment plate, and an adjustment knob is provided at one end of the adjustment screw. The adjustment knob is used to drive the adjustment screw to rotate, thereby driving the adjustment plate and the movable block to move.
[0011] Compared with the prior art, the utility model provides a crop straw crusher, which has the following beneficial effects:
[0012] 1. The arc-shaped rotating wheel is driven by a driving motor to rotate, and the connecting sleeve and the reset spring are used to drive the sliding block and the sliding rod to move in the vertical direction, thereby driving the fixed block and the cutting knife to cut the straw into segments, thereby improving the crushing effect. The pressing frame and the pressing plate are driven by the sliding block, and the tray is used to press the straw during the cutting process to prevent the straw from shifting and warping during the cutting process, thereby affecting the cutting effect.
[0013] 2. The cooperation of the inclined plate and the discharge pipe makes it easy to collect and aggregate the crushed straw. The discharge motor drives the discharge shaft and spiral blades to rotate, which makes it easy to discharge the crushed straw and improves the discharge efficiency.
[0014] 3. The crushing motor drives the crushing roller to rotate to crush the straw, and the adjusting screw is driven to rotate by the adjusting knob. The adjusting screw drives the adjusting plate to move in the opposite direction, and then drives the adjusting block to move in the adjusting groove, so as to adjust the spacing of the crushing rollers according to needs, and then control the crushing particle size. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of the pulverizer body in the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the cutting box of the utility model;
[0017] Figure 3 for Figure 2 A is a magnified schematic diagram of the local structure;
[0018] Figure 4 It is a schematic diagram of the matching structure of the inclined plate, the discharging pipe, the discharging motor, the discharging shaft and the spiral blade in the utility model;
[0019] Figure 5 It is a schematic diagram of the internal structure of the crushing box in the utility model.
[0020] In the figure: 1. Crusher body; 2. Cutting box; 3. Crushing box; 4. Sliding sleeve; 5. Sliding rod; 6. Fixed block; 7. Cutting knife; 8. Sliding block; 9. Driving motor; 10. Arc wheel; 11. Connecting shaft; 12. Connecting sleeve; 13. Inclined plate; 14. Discharging pipe; 15. Discharging motor; 16. Discharging shaft; 17. Spiral blade; 18. Fixed track; 19. Reset spring; 20. Feed inlet; 21. Tray; 22. Pressing frame; 23. Pressing plate; 24. Crushing roller; 25. Moving groove; 26. Moving block; 27. Crushing motor; 28. Limiting block; 29. Limiting groove; 30. Adjusting block; 31. Adjusting plate; 32. Adjusting screw; 33. Adjusting knob. DETAILED DESCRIPTION
[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0023] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.
[0024] See also Figure 1-Figure 5 The crop straw crusher comprises a crusher body 1, which comprises a cutting box 2 and a crushing box 3. A sliding sleeve 4 is fixedly provided on the cutting box 2, and a sliding rod 5 is slidably provided on the sliding sleeve 4. The bottom of the sliding rod 5 extends into the cutting box 2 and is fixedly provided with a fixed block 6. A cutting knife 7 is installed on the fixed block 6. A sliding block 8 is fixedly provided on the top of the sliding rod 5. A driving motor 9 is provided on the top of the cutting box 2. An arc-shaped rotating wheel 10 is installed on the motor shaft of the driving motor 9. A connecting shaft 11 and a connecting sleeve 12 cooperating with the arc-shaped rotating wheel 10 are provided at one end of the sliding block 8. The connecting shaft 11 is fixedly provided at one end of the sliding block 8. The connecting sleeve 12 is rotatably provided on the connecting shaft 11 and contacts with the edge of the arc-shaped rotating wheel 10. A feeding port 20 is provided on one side of the cutting box 2, and a tray 21 is installed on one side of the feeding port 20. The sliding block A pressing frame 22 is fixedly arranged at the other end of 8, and a pressing plate 23 is fixedly arranged at the bottom of the pressing frame 22. The pressing plate 23 is arranged above the tray 21 and aligned with the tray 21. A crushing device is arranged in the crushing box 3, and inclined plates 13 are symmetrically arranged at the bottom of the crushing box 3. A discharge pipe 14 is arranged between the bottoms of the inclined plates 13, and a discharge motor 15 is arranged at one end of the discharge pipe 14. The discharge motor 15 is arranged on the outside of the crushing box 3, and a discharge shaft 16 and a spiral blade 17 are fixedly arranged on the motor shaft of the discharge motor 15 in the crushing box 3. The spiral blade 17 is fixedly arranged on the discharge shaft 16 and is adapted to the size of the discharge pipe 14. Fixed rails 18 cooperating with the fixed block 6 are fixedly arranged on both sides of the cutting box 2, and a return spring 19 is provided between the sliding sleeve 4 and the sliding block 8. The return spring 19 is sleeved on the outside of the sliding rod 5.
[0025] In this embodiment, when feeding, the straw is placed on the tray 21 and conveyed to the cutting box 2 for a certain length, and then the driving motor 9 is started. The driving motor 9 drives the arc-shaped wheel 10 to rotate, and the arc-shaped wheel 10 squeezes the connecting shaft 11 and the connecting sleeve 12, and drives the sliding block 8 to squeeze the sliding rod 5. The sliding rod 5 slides in the sliding sleeve 4, and the sliding rod 5 drives the fixed block 6 to move vertically in the fixed track 18. The fixed block 6 drives the cutting knife 7 to move vertically to cut the straw into segments, which is convenient for the straw entering the crushing box 3 to be crushed. The sliding block 8 is driven by the reset spring 19 to move upward for reset. When the sliding block 8 moves, the straw on the tray 21 is pressed by the clamping frame 22 and the clamping plate 23, and the straw in the cutting segment is pressed to prevent the straw from shifting and warping during cutting, thereby affecting the cutting effect.
[0026] See also Figure 4-Figure 5 As an implementation method of the crushing device: the crushing device includes a crushing roller 24, a moving groove 25 is symmetrically provided on the front and rear sides of the crushing box 3, and a moving block 26 is symmetrically slidably provided on the left and right sides of each moving groove 25, and the crushing roller 24 is rotatably set on the corresponding moving blocks 26 on the front and rear sides, and a crushing motor 27 is provided on the two front moving blocks 26, and the motor shaft of the crushing motor 27 is fixedly connected to the crushing roller 24, and limit blocks 28 are provided on the upper and lower sides of the moving groove 25, and a limit groove 29 is provided on the moving block 26, and an adjustment block 30 is fixedly provided on the left and right sides of the rear moving groove 25, and an adjustment plate 31 is fixedly provided on the two moving blocks 26 located on the rear moving groove 25, and an adjusting screw 32 is rotatably provided between the two adjusting blocks 30, and the adjusting screw 32 adopts a bidirectional screw, and symmetrical opposite threads are provided on the adjusting screw 32, and the adjusting screw 32 is threadedly connected to the adjusting plate 31, and an adjusting knob 33 is provided at one end of the adjusting screw 32.
[0027] More specifically, the crushing particle size of the crushing device is controlled as needed, and the adjusting knob 33 is turned. The adjusting knob 33 drives the adjusting screw 32 to rotate. The adjusting screw 32 is provided with a bidirectional thread. The adjusting screw 32 drives the adjusting plate 31 to move in opposite directions. The adjusting plate 31 drives the moving block 26 to move in opposite directions in the moving groove 25. The moving direction of the moving block 26 is limited by the cooperation of the limit block 28 and the limit groove 29. The crushing motor 27 drives the crushing roller 24 to rotate, and then the straw is crushed. The crushed straw slides onto the discharge pipe 14 through the inclined plate 13, and the discharge motor 15 is started. The discharge motor 15 drives the discharge shaft 16 and the spiral blade 17 to rotate, which is convenient for discharging the straw.
[0028] In summary, when the overall equipment is in use or running: when feeding, the straw is placed on the tray 21 and transported to the cutting box 2 for a certain length, and then the driving motor 9 is started. The driving motor 9 drives the arc-shaped wheel 10 to rotate, and the arc-shaped wheel 10 squeezes the connecting shaft 11 and the connecting sleeve 12, and drives the sliding block 8 to squeeze the sliding rod 5. The sliding rod 5 slides in the sliding sleeve 4, and the sliding rod 5 drives the fixed block 6 to move vertically in the fixed track 18. The fixed block 6 drives the cutting knife 7 to move vertically to cut the straw into segments, which is convenient for the straw entering the crushing box 3 to be crushed, and the sliding block 8 is driven by the reset spring 19 to move upward for reset. When the sliding block 8 moves, the straw on the tray 21 is pressed by the pressing frame 22 and the pressing plate 23, and the straw in the cutting segment is pressed to prevent the straw from shifting and warping during cutting, thereby affecting the cutting effect.
[0029] The crushing particle size of the crushing device is controlled as needed, and the adjusting knob 33 is turned. The adjusting knob 33 drives the adjusting screw 32 to rotate. The adjusting screw 32 is provided with a bidirectional thread. The adjusting screw 32 drives the adjusting plate 31 to move in opposite directions. The adjusting plate 31 drives the moving block 26 to move in opposite directions in the moving groove 25. The moving direction of the moving block 26 is limited by the cooperation of the limit block 28 and the limit groove 29. The crushing roller 24 is driven to rotate by the crushing motor 27, and then the straw is crushed. The crushed straw slides onto the discharge pipe 14 through the inclined plate 13, and the discharge motor 15 is started. The discharge motor 15 drives the discharge shaft 16 and the spiral blade 17 to rotate, so as to facilitate the discharge of the straw.
[0030] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.
[0031] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;
[0032] In all the schemes mentioned above, if there is no clear description, the operation of electrical components is controlled by the controller. Since the devices matched with the controller are common devices, their control principles and line connections are all well-known and mature technologies, and their electrical connection relationships and specific circuit structures are not described here.
[0033] In all the solutions mentioned above, the motor involved can be matched with a reducer if actually needed. The connection structure and working principle between the motor and the reducer are existing well-known technologies and will not be elaborated in the present utility model.
Claims
1. A crop straw pulverizer, comprising a pulverizer body (1), characterized in that: The pulverizer body (1) comprises a cutting box (2) and a pulverizing box (3). A sliding sleeve (4) is fixedly provided on the cutting box (2). A sliding rod (5) is slidably provided on the sliding sleeve (4). The bottom of the sliding rod (5) extends into the cutting box (2) and is fixedly provided with a fixed block (6). A cutting knife (7) is installed on the fixed block (6). A sliding block (8) is fixedly provided on the top of the sliding rod (5). A driving motor (9) is provided on the top of the cutting box (2). An arc-shaped rotating wheel (10) is installed on the motor shaft of the driving motor (9). A connecting shaft (11) and a connecting sleeve (12) which cooperate with the arc-shaped rotating wheel (10) are provided at one end of the sliding block (8). The connecting shaft (11) is fixedly provided at one end of the sliding block (8). The connecting sleeve (12) is rotatably provided on the connecting shaft (11) and contacts with the edge of the arc-shaped rotating wheel (10). One side of the cutting box (2) is provided with A feed port (20), a tray (21) is installed on one side of the feed port (20), a pressing frame (22) is fixedly provided on the other end of the sliding block (8), a pressing plate (23) is fixedly provided on the bottom of the pressing frame (22), the pressing plate (23) is arranged above the tray (21) and is aligned with the tray (21), a crushing device is arranged in the crushing box (3), inclined plates (13) are symmetrically arranged at the bottom of the crushing box (3), a discharge pipe (14) is arranged between the bottoms of the inclined plates (13), a discharge motor (15) is provided at one end of the discharge pipe (14), the discharge motor (15) is arranged on the outside of the crushing box (3), and a motor shaft of the discharge motor (15) is fixedly provided with a discharge shaft (16) and a spiral blade (17) in the crushing box (3), and the spiral blade (17) is fixedly arranged on the discharge shaft (16) and is adapted to the size of the discharge pipe (14).
2. The crop straw crusher according to claim 1, characterized in that: Fixed rails (18) cooperating with the fixed blocks (6) are fixedly arranged on both sides of the interior of the cutting box (2).
3. The crop straw crusher according to claim 1, characterized in that: A return spring (19) is provided between the sliding sleeve (4) and the sliding block (8), and the return spring (19) is sleeved on the outside of the sliding rod (5).
4. The crop straw crusher according to claim 1, characterized in that: The pulverizing device comprises a pulverizing roller (24), movable grooves (25) are symmetrically provided on the front and rear sides of the pulverizing box (3), and movable blocks (26) are symmetrically slidably provided on the left and right sides of each movable groove (25), and the pulverizing roller (24) is rotatably provided on the movable blocks (26) corresponding to the front and rear sides, and a pulverizing motor (27) is provided on the two movable blocks (26) on the front side, and the motor shaft of the pulverizing motor (27) is fixedly connected to the pulverizing roller (24).
5. The crop straw crusher according to claim 4, characterized in that: Limit blocks (28) are provided on both upper and lower sides of the movable groove (25), and a limit groove (29) is provided on the movable block (26).
6. The crop straw crusher according to claim 5, characterized in that: Adjustment blocks (30) are fixedly provided on the left and right sides of the rear movable groove (25); adjustment plates (31) are fixedly provided on the two movable blocks (26) located on the rear movable groove (25); an adjustment screw (32) is rotatably provided between the two adjustment blocks (30); the adjustment screw (32) is a bidirectional screw; symmetrical and opposite threads are provided on the adjustment screw (32); the adjustment screw (32) is threadedly connected to the adjustment plate (31); and an adjustment knob (33) is provided at one end of the adjustment screw (32).