Crop straw pulverizer
By adopting a combined structure of a crushing screening device and a transmission device in the crop straw crusher, the problem of incomplete crushing is solved, efficient crushing and screening of straw is achieved, and the utilization rate of straw resources is improved.
Patent Information
- Application Number
- CN202421171061.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing crop straw crusher has the problem of incomplete crushing when used, which affects the subsequent use effect.
A crop straw crusher was designed, and the built-in crushing and screening device of the box was used to realize the crushing and screening of straw through a combined structure of rotating rods, gears, stirring blades, pulleys, hitting rods and screening plates, and the straw was crushed and screened through the transmission device. The unqualified straw is re-splied into the crushing to increase the passing rate after crushing.
It effectively improves the pass rate and yield rate of straw crushing, and ensures the efficient utilization of straw resources.
Smart Images

Figure CN222302465U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, in particular to a crop straw crusher. Background Art
[0002] There are five main ways to comprehensively utilize crop straw: one is as pesticide and fertilizer, two is as feed, three is as a new type of rural energy, four is as industrial raw material, and five is as base material.
[0003] According to the Chinese patent publication number CN204409008U, the technical solution disclosed in the patent document is as follows: The utility model relates to the field of agricultural machinery, and in particular to a crop straw crusher. A crop straw crusher includes a machine base, a casing movably arranged on the machine base, a motor arranged in the machine base, and a cutter arranged in the casing. The utility model has a simple structure and is easy to use. It can quickly crush and pulp fresh crop straw. After being processed by the utility model, the fresh crop straw is more delicate and very suitable for use as feed, which improves the utilization rate of fresh crop straw resources.
[0004] The above patent has the following disadvantages: some straws are not completely crushed when the device is used, which affects the subsequent use. In view of this, we propose a crop straw crusher. Utility Model Content
[0005] Aiming at the deficiencies of the prior art, the utility model provides a crop straw crusher.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crop straw crusher, comprising a box body, on which a crushing and screening device is arranged; the crushing and screening device comprises a rotating rod 1, which is rotatably connected to the right side of the inner wall of the box body through a bearing, and the rotating rod 1 movably penetrates the box body and extends to the right side, the outer wall fixed sleeve of the rotating rod 1 is provided with a stirring blade, the outer wall fixed sleeve of the rotating rod 1 is provided with a gear, the outer wall fixed sleeve of the rotating rod 1 located at the back is provided with a pulley, and a belt is wound around the outer wall of the pulley, the right side of the inner wall of the box body is rotatably connected to the rotating rod 2 through a bearing, the left side of the rotating rod 2 is fixedly connected to a striking rod, the right side of the inner wall of the box body is fixedly connected to a bearing block, and a screen plate is placed on the top of the bearing block.
[0007] Preferably, a support plate is fixedly connected to the right side of the box body, a motor 1 is fixedly connected to the left side of the support plate, and the left side of the output end of the motor 1 is fixedly connected to an extension end of a rotating rod 1.
[0008] Preferably, a connecting block is fixedly connected to the front inner wall of the box, a connecting rod is movably passed through the bottom of the connecting block, and the top of the connecting rod is fixedly connected to the bottom of the screen plate, a counterweight block is fixedly connected to the bottom of the connecting rod, a collecting box is placed on the inner wall of the box, and the two gears are meshed with each other.
[0009] Preferably, a transmission device is provided on the box body, and the transmission device includes a feeding box, the feeding box is fixedly connected to the right side of the box body, a fixing rod is fixedly connected to the left side of the feeding box, and a sleeve is fixedly connected to the inner wall of the fixing rod.
[0010] Preferably, the bottom of the inner wall of the sleeve is rotatably connected to a feeding rod through a bearing, and the feeding rod movably passes through the sleeve and extends to the bottom. The bottom of the sleeve is fixedly connected to a vertical plate, the front of the vertical plate is fixedly connected to motor 2, and the top of the output end of motor 2 is fixedly connected to the extended end of the feeding rod.
[0011] Preferably, a connecting pipe is fixedly connected to the left side of the feeding box, and a feeding pipe is fixedly connected to the right side of the sleeve.
[0012] Compared with the prior art, the utility model provides a crop straw crusher, which has the following beneficial effects:
[0013] 1. This crop straw crusher pours the straw into a box body and starts a motor. The motor drives a rotating rod to rotate, and the rotating rod drives the gear to rotate. The rotation of the front gear drives the back gear to rotate. The rotating rod drives the stirring blades on the outer wall to rotate to crush the straw. The crushed straw falls on the screen plate. The rotating rod on the back drives the pulley, and the pulley drives the belt to rotate. The belt drives the pulley sleeved on the outer wall of the rotating rod to rotate. The rotating rod drives the hitting rod to rotate, and the hitting rod hits the screen plate. When the screen plate is hit, it drives the connecting rod to rise. When the hitting rod rotates to a low position, the counterweight block drives the connecting rod and the screen plate to descend, and qualified straw falls into the collecting box, so as to realize the crushing and screening of the straw and improve the qualified rate of the crushed straw.
[0014] 2. This crop straw crusher vibrates the unqualified straw into the feed box through the sieve plate, and enters the sleeve through the connecting pipe. The motor 2 is started, and the motor 2 drives the feeding rod to rotate, and the unqualified straw is re-sent into the box through the feeding pipe for crushing, so as to improve the straw yield. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the right side structure of the utility model;
[0018] Figure 3 It is a front sectional structural schematic diagram of the utility model.
[0019] In the figure: 1. box body; 2. crushing and screening device; 21. support plate; 22. motor 1; 23. rotating rod 1; 24. stirring blade; 25. gear; 26. pulley; 27. belt; 28. rotating rod 2; 29. striking rod; 210. bearing block; 211. sieve plate; 212. connecting block; 213. connecting rod; 214. counterweight; 215. collecting box; 3. transmission device; 31. feeding box; 32. fixing rod; 33. sleeve; 34. connecting pipe; 35. vertical plate; 36. motor 2; 37. feeding rod; 38. feeding pipe. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1
[0021] like Figure 1-3 As shown, the utility model provides a crop straw crusher, including a box body 1, on which a crushing and screening device 2 is arranged; the crushing and screening device 2 includes a rotating rod 23, which is rotatably connected to the right side of the inner wall of the box body 1 through a bearing, and the rotating rod 23 movably penetrates the box body 1 and extends to the right side, the outer wall fixed sleeve of the rotating rod 23 is provided with a stirring blade 24, the outer wall fixed sleeve of the rotating rod 23 is provided with a gear 25, the outer wall fixed sleeve of the rotating rod 23 located at the back is provided with a pulley 26, and the outer wall of the pulley 26 is wound with a belt 27, the right side of the inner wall of the box body 1 is rotatably connected to a rotating rod 28 through a bearing, the left side of the rotating rod 28 is fixedly connected to a striking rod 29, the right side of the inner wall of the box body 1 is fixedly connected to a bearing block 210, and a sieve plate 211 is placed on the top of the bearing block 210.
[0022] A support plate 21 is fixedly connected to the right side of the box body 1, a motor 22 is fixedly connected to the left side of the support plate 21, and the left side of the output end of the motor 22 is fixedly connected to the extended end of the rotating rod 23.
[0023] A connecting block 212 is fixedly connected to the front of the inner wall of the box body 1, a connecting rod 213 movably penetrates the bottom of the connecting block 212, and the top of the connecting rod 213 is fixedly connected to the bottom of the sieve plate 211, and a counterweight block 214 is fixedly connected to the bottom of the connecting rod 213. A collecting box 215 is placed on the inner wall of the box body 1, and two gears 25 are meshed with each other.
[0024] In this embodiment, by pouring straw into the box body 1, starting the motor 22, the motor 22 drives the rotating rod 23 to rotate, the rotating rod 23 drives the gear 25 to rotate, the front gear 25 rotates to drive the back gear 25 to rotate, the rotating rod 23 drives the stirring blade 24 on the outer wall to rotate to crush the straw, and the crushed straw falls on the sieve plate 211, the rotating rod 23 on the back drives the pulley 26, the pulley 26 drives the belt 27 to rotate, the belt 27 drives the pulley 26 mounted on the outer wall of the rotating rod 28 to rotate, the rotating rod 28 drives the striking rod 29 to rotate, and the striking rod 29 strikes the sieve plate 211, when the sieve plate 211 is struck, it drives the connecting rod 213 to rise, when the striking rod 29 rotates to a lower position, the counterweight block 214 drives the connecting rod 213 and the sieve plate 211 to descend, and qualified straw falls into the collecting box 215, so as to realize the crushing and screening of the straw and improve the qualified rate of the crushed straw. Example 2
[0025] like Figure 1-3 As shown, based on Example 1, the utility model provides a technical solution: a transmission device 3 is arranged on the box body 1, and the transmission device 3 includes a feed box 31, the feed box 31 is fixedly connected to the right side of the box body 1, a fixed rod 32 is fixedly connected to the left side of the feed box 31, and a sleeve 33 is fixedly connected to the inner wall of the fixed rod 32.
[0026] A feeding rod 37 is rotatably connected to the bottom of the inner wall of the sleeve 33 through a bearing, and the feeding rod 37 movably passes through the sleeve 33 and extends to the bottom. A vertical plate 35 is fixedly connected to the bottom of the sleeve 33, and a motor 2 36 is fixedly connected to the front of the vertical plate 35. The top of the output end of the motor 2 36 is fixedly connected to the extended end of the feeding rod 37.
[0027] A connecting pipe 34 is fixedly connected to the left side of the feeding box 31 , and a feeding pipe 38 is fixedly connected to the right side of the sleeve 33 .
[0028] In this embodiment, unqualified straw is vibrated into the feed box 31 through the screen plate 211, enters the sleeve 33 through the connecting pipe 34, and the motor 2 36 is started. The motor 2 36 drives the loading rod 37 to rotate, and the unqualified straw is re-sent into the box body 1 through the feed pipe 38 for crushing, thereby improving the straw yield.
[0029] The following is a detailed description of the working principle of this crop straw crusher.
[0030] like Figure 1-3As shown, when in use, straw is poured into the box body 1, and the motor 22 is started. The motor 22 drives the rotating rod 23 to rotate, and the rotating rod 23 drives the gear 25 to rotate. The rotation of the front gear 25 drives the back gear 25 to rotate. The rotating rod 23 drives the stirring blade 24 on the outer wall to rotate to crush the straw. The crushed straw falls on the sieve plate 211. The rotating rod 23 on the back drives the pulley 26. The pulley 26 drives the belt 27 to rotate. The belt 27 drives the pulley 26 set on the outer wall of the rotating rod 28 to rotate. The rotating rod 28 drives the striking rod 29 to rotate. The striking rod 29 strikes the sieve plate 211. When the sieve plate 2 After 11 is struck, it drives the connecting rod 213 to rise. When the striking rod 29 rotates to a lower position, the counterweight block 214 drives the connecting rod 213 and the screen plate 211 to descend, and the qualified straw falls into the collecting box 215, so that the straw is crushed and screened, and the qualified rate of the straw after crushing is improved. The unqualified straw is vibrated into the feeding box 31 through the screen plate 211, and enters the sleeve 33 through the connecting pipe 34, and the motor 36 is started. The motor 36 drives the feeding rod 37 to rotate, and the unqualified straw is re-sent into the box body 1 through the feeding pipe 38 for crushing, so as to improve the straw finished product rate.
Claims
1. A crop straw crusher, comprising a housing (1), characterized in that: The box body (1) is provided with a crushing and screening device (2); The crushing and screening device (2) comprises a rotating rod (23), the rotating rod (23) being rotatably connected to the right side of the inner wall of the box body (1) through a bearing, and the rotating rod (23) movably penetrates the box body (1) and extends to the right side, the outer wall fixed sleeve of the rotating rod (23) is provided with a stirring blade (24), the outer wall fixed sleeve of the rotating rod (23) is provided with a gear (25), the outer wall fixed sleeve of the rotating rod (23) located at the back is provided with a pulley (26), the outer wall of the pulley (26) is wound with a belt (27), the right side of the inner wall of the box body (1) is rotatably connected to the rotating rod (28) through a bearing, the left side of the rotating rod (28) is fixedly connected to a striking rod (29), the right side of the inner wall of the box body (1) is fixedly connected to a bearing block (210), and a sieve plate (211) is placed on the top of the bearing block (210).
2. The crop straw crusher according to claim 1, characterized in that: The right side of the box body (1) is fixedly connected to a support plate (21), the left side of the support plate (21) is fixedly connected to a motor 1 (22), and the left side of the output end of the motor 1 (22) is fixedly connected to an extension end of a rotating rod 1 (23).
3. The crop straw crusher according to claim 1, characterized in that: A connecting block (212) is fixedly connected to the front of the inner wall of the box body (1), a connecting rod (213) movably penetrates the bottom of the connecting block (212), and the top of the connecting rod (213) is fixedly connected to the bottom of the sieve plate (211), and a counterweight (214) is fixedly connected to the bottom of the connecting rod (213). A collecting box (215) is placed on the inner wall of the box body (1), and the two gears (25) are meshed with each other.
4. The crop straw crusher according to claim 1, characterized in that: The box body (1) is provided with a transmission device (3), the transmission device (3) comprising a feeding box (31), the feeding box (31) being fixedly connected to the right side of the box body (1), the feeding box (31) being fixedly connected to a fixing rod (32) on the left side of the feeding box (31), and the inner wall of the fixing rod (32) being fixedly connected to a sleeve (33).
5. The crop straw crusher according to claim 4, characterized in that: The bottom of the inner wall of the sleeve (33) is rotatably connected to a feeding rod (37) via a bearing, and the feeding rod (37) movably penetrates the sleeve (33) and extends toward the bottom. The bottom of the sleeve (33) is fixedly connected to a vertical plate (35), and the front of the vertical plate (35) is fixedly connected to a second motor (36). The top of the output end of the second motor (36) is fixedly connected to the extension end of the feeding rod (37).
6. The crop straw crusher according to claim 5, characterized in that: The left side of the feeding box (31) is fixedly connected to a connecting pipe (34), and the right side of the sleeve (33) is fixedly connected to a feeding pipe (38).
Citation Information
Patent Citations
Crop straw pulverizer
CN204409008U
Cited By
Agricultural straw comprehensive utilization smashing device
CN223745332U