Straw smashing device for artificial humus production and smashing method thereof

Abstract

The application discloses a straw smashing device for artificial humus production and a smashing method thereof, which comprises a smashing bin, a motor, an umbrella type smashing mechanism, a coaxial reverse mechanism, a spring mechanism, a first linear vibration mechanism, a second linear vibration mechanism, a screen and a shaker; the straw enters the smashing bin through a feeding port, the umbrella type smashing mechanism is arranged in the smashing bin, the screen is driven to vibrate up and down through the linear vibration mechanism and the spring mechanism, and the straw is stirred by combining the reciprocating contraction and opening of the umbrella type smashing mechanism, so that the straw is fully smashed and is in the form of powder; the bottom end of the smashing bin is provided with the screen, the shaker is connected below the screen, and the qualified straw powder is discharged quickly through the shaker after passing through the arc-shaped screen.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of straw crushing, and particularly relates to a straw crushing device for artificial humus production and a crushing method thereof. BACKGROUND

[0002] China is a large agricultural country, and tons of straw are produced every year, and the straw contains rich energy. In recent years, the comprehensive utilization rate of straw in China has reached more than 70%. However, in many places, the measures of burning in place are still adopted, which not only has a great influence on air quality but also is a waste of straw resources, so the biomass energy contained in the straw is still worth exploring.

[0003] The most ideal treatment of straw waste is to be converted into artificial humus. However, according to the current humus preparation technology, the straw is often required to be crushed to about 1 mm to meet the subsequent development and utilization. Therefore, fine crushing of straw has important significance for development of straw resources.

[0004] The existing straw crushing device can only be crushed once by a crushing knife, and the crushing effect is poor, the larger particles of straw cannot be intercepted, filtered and repeatedly crushed, and the crushing effect is poor. In addition, during use of the existing part of the technology, the screen mesh is blocked, in addition, after long-term use, the normal work of the crushing part is affected, the crushing effect is affected, and the hammer and the like are damaged. SUMMARY

[0005] In order to solve the above problems existing in the prior art, the present application provides a straw crushing device for artificial humus production and a crushing method thereof. The straw enters the crushing chamber through the feed inlet, the umbrella type crushing mechanism is arranged in the crushing chamber, the screen mesh is driven to vibrate up and down by the linear vibration mechanism and the spring structure, and the straw is stirred by the reciprocating contraction and expansion of the umbrella type crushing mechanism, so that the straw is fully crushed and in powder form. The bottom end of the crushing box is provided with a screen mesh, the screen mesh is connected with a shaker below, and the qualified straw powder is discharged quickly by the shaker after passing through the arc-shaped screen mesh. The present application can realize fine crushing of the straw.

[0006] The purpose of the present application is achieved by the following technical solutions combined with the drawings:

[0007] The utility model provides a kind of straw pulverizing device for artificial humus, including pulverizing bin 1, motor 5, umbrella type pulverizing mechanism A, coaxial reverse mechanism B, spring mechanism C, linear vibration mechanism D, linear vibration mechanism E No.

[0008] Further, the top of the pulverizing bin 1 is provided with a feed inlet 6, and the umbrella type pulverizing mechanism A is located below the feed inlet 6.

[0009] Further, the belt drive mechanism includes synchronous pulley, belt 4 and pulley 2, the synchronous pulley is fixed on the output shaft of the motor 5, and the motor 5 drives the pulley 2 to rotate through the belt 4, and the output shaft of the pulley 2 is connected with the coaxial reverse mechanism B.

[0010] Further, the bevel gear transmission assembly comprises a first bevel gear 30, a second bevel gear 31, a third bevel gear 32 and a fixed frame 35; a long hollow shaft 33 is coaxially connected with the belt pulley 2 output shaft of the belt transmission mechanism, the first bevel gear 30 is keyed to the long hollow shaft 33, the second bevel gear 31 is installed on the fixed frame 35, the first bevel gear 30, the third bevel gear 32 and the second bevel gear 31 are sequentially meshed, and the third bevel gear 32 is keyed to the short hollow shaft 34; the power transmitted by the belt transmission mechanism sequentially passes through the first bevel gear 30, the second bevel gear 31 and the third bevel gear 32, so that the first bevel gear 30 and the third bevel gear 32 are reversely and synchronously rotated, the short hollow shaft 34 and the long hollow shaft 33 are reversely and synchronously rotated, and the umbrella type crushing mechanism A is driven to rotate.

[0011] Further, a plurality of the umbrella type crushing mechanisms A are arranged according to the rotation direction, and the umbrella type crushing mechanism A comprises a plurality of arc-shaped cutters 21, a short arm connecting rod 23, a movable end adjuster 25, a fixed end adjuster 28 and a shaft ring 29; the fixed end adjuster 28 is welded on the shaft ring 29, and the shaft ring 29 is fixed on the outer diameter of the short hollow shaft 34 or the long hollow shaft 33; the plurality of arc-shaped cutters 21 are evenly connected to the fixed end adjuster 28, and the front end of the arc-shaped cutter 21 is connected to the fixed end adjuster 28 through a fixed end connecting pin 27; the arc-shaped cutter 21 is provided with a cutter sliding groove 22 at the middle part, one end of the short arm connecting rod 23 is slidably connected in the cutter sliding groove 22, and the other end of the short arm connecting rod 23 is connected to the movable end adjuster 25 through a movable end connecting pin 26; the short hollow shaft 34 and the long hollow shaft 33 are both provided with an adjuster sliding groove 24, and the inner circle of the movable end adjuster 25 is welded and fixed to the adjusting shaft 7 after passing through the adjuster sliding groove 24, the movable end adjuster 25 can reciprocate along the short hollow shaft 34 within the length range of the adjuster sliding groove 24, and then the arc-shaped cutter 21 is driven to open and close through the short arm connecting rod 23.

[0012] Further, the spring mechanism C comprises a spring 38, a support plate 39 and a movable plate 42; the spring 38 is fixed between the support plate 39 and the movable plate 42; the movable plate 42 is connected to the driving connecting rod 10 of the first linear vibration mechanism D; the two ends of the screen 3 are buckled and connected to the movable plate 42; the movable plate 42 is provided with a movable plate sliding groove 36, and the movable plate 42 is slidably connected to the slide column 37 of the inner wall of the bin body 41 through the movable plate sliding groove 36; the first linear vibration mechanism D drives the screen 3 to vibrate up and down in the bin body 1 through the spring mechanism C.

[0013] Further, the first linear vibration mechanism D and the second linear vibration mechanism E have the same structure; the first linear vibration mechanism D comprises a driving connecting rod 10, a spherical taper connecting piece 11, a base 12, a main shaft 13, a pin shaft 14, a first winding drum 15, a second winding drum 16, a sliding key 17, a third winding drum 18, a speed regulating shaft 19, a shaft coupling 20; the main shaft 13 and the driving connecting rod 10 are installed in parallel on the base 12; the driving connecting rod 10 is connected with the first winding drum 15 through the spherical taper connecting piece 11, and the first winding drum 15 is connected with the main shaft 13 through the pin shaft 14; the first winding drum 15 is connected with the second winding drum 16 through the shaft coupling 20, and the second winding drum 16 is connected with the main shaft 13 through the sliding key 17; the second winding drum 16 is connected with the speed regulating shaft 19 through the third winding drum 18, and the speed regulating shaft 19 is installed on the base 12 and is provided with a speed regulating knob at the outer end; and the main shaft 13 is driven by a motor.

[0014] The application further provides a smashing method of the straw smashing device for artificial humus production.

[0015] S1, the straw is added into the smashing bin 1;

[0016] S2, the power output by the motor 5 is transmitted to the coaxial reverse mechanism B through a belt transmission mechanism, the coaxial reverse mechanism B drives the umbrella type smashing mechanism A to rotate at high speed, and at the same time, the second linear vibration mechanism E drives the adjusting shaft 7 of the coaxial reverse mechanism B to reciprocate, so that the umbrella type smashing mechanism A is expanded and contracted to stir the straw; in addition, with the aid of the mutually reversed concentric shafts, the cutter can roll the straw on both sides to the middle part of the smashing bin, so that the straw can be fully smashed;

[0017] S3, the spring mechanism C and the first linear vibration mechanism D are used to vibrate the screen 3 up and down, and the vibration of the straw on the screen increases the falling speed of the powdery straw and prevents the straw from blocking the screen 3;

[0018] S4, the fully stirred straw falls into the lower discharge channel, and the powder is discharged from the discharge port of the shaker 8, so that the fine powdering and smashing of the straw are completed.

[0019] The application has the following beneficial effects:

[0020] The application provides a straw smashing device for artificial humus production and a smashing method thereof; the straw enters the smashing bin through a feeding port, the umbrella type smashing mechanism is arranged in the smashing bin, the screen is driven to vibrate up and down through the linear vibration mechanism and the spring structure, and the straw is stirred by the reciprocating contraction and expansion of the umbrella type smashing mechanism, so that the straw can be fully smashed and be in a powdery state; the bottom end of the smashing box is provided with a screen, the screen is connected with a shaker below, and the qualified straw powder is discharged quickly through the shaker after passing through the arc-shaped screen. The application can realize the fine powdering and smashing of the straw. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of the contents of the embodiments of the present application and the drawings.

[0022] Figure 1 A schematic structural view of a straw crushing device for artificial humus according to the embodiment 1 of the present application;

[0023] Figure 2 An enlarged schematic structural view of the umbrella type crushing mechanism according to the embodiment 1 of the present application;

[0024] Figure 3 An enlarged schematic structural view of the coaxial reversing mechanism according to the embodiment 1 of the present application;

[0025] Figure 4 An enlarged schematic structural view of the spring mechanism according to the embodiment 1 of the present application;

[0026] Fig. 5(a) is an enlarged schematic structural view of the first linear vibration mechanism according to the embodiment 1 of the present application;

[0027] Fig. 5(b) is an axonometric schematic view of the first linear vibration mechanism according to the embodiment 1 of the present application;

[0028] In the drawings:

[0029] A-umbrella type crushing mechanism; B-coaxial reversing mechanism; C-spring mechanism; D-first linear vibration mechanism; E-second linear vibration mechanism;

[0030] 1-crushing bin; 2-pulley; 3-screen; 4-belt; 5-motor; 6-feed inlet; 7-adjusting shaft; 8-shark; 9-fan; 10-driving connecting rod; 11-ball-cone connecting piece; 12-base; 13-main shaft; 14-pivot; 15-first winding drum; 16-second winding drum; 17-sliding key; 18-third winding drum; 19-adjusting knob; 20-coupling; 21-arc-shaped cutter; 22-cutter sliding groove; 23-short arm connecting rod; 24-adjuster sliding groove; 25-movable end adjuster; 26-movable end connecting pivot; 27-fixed end connecting pivot; 28-fixed end adjuster; 29-collar; 30-first bevel gear; 31-second bevel gear; 32-third bevel gear; 33-long hollow shaft; 34-long hollow shaft; 35-fixed frame; 36-movable plate sliding groove; 37-sliding column; 38-spring; 39-supporting plate; 42-movable plate; 41-bin body. DETAILED DESCRIPTION

[0031] The application will be further described below in connection with the drawings and examples. It should be understood that the specific examples described herein are intended to be illustrative only and are not intended to be limiting of the application. In addition, it should be noted that in the drawings, like elements are referred to with like reference numerals.

[0032] In the description of the present embodiments, the terms "upper", "lower", "left", "right", and the like are terms of reference as shown in the drawings and are merely intended to facilitate description and simplify the operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0033] It should be noted that in this document, relational terms such as one and the other and the like are used solely to distinguish one entity or action from another entity or action, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions.

[0034] Example 1

[0035] As Figures 1 to 5(a) , shown in FIG. 5(b), the present embodiment is a straw crushing device for artificial humus, which comprises a crushing bin 1, a motor 5, an umbrella-shaped crushing mechanism A, a coaxial reverse mechanism B, a spring mechanism C, a first linear vibration mechanism D, a second linear vibration mechanism E, a screen 3, and a shaker 8.

[0036] The motor 5 is connected with the coaxial reverse mechanism B through a belt transmission mechanism; the coaxial reverse mechanism B comprises a bevel gear transmission assembly, a short hollow shaft 34, a long hollow shaft 33 and an adjusting shaft 7, the input end of the bevel gear transmission assembly is connected with the output shaft of the belt pulley 2, the output ends of two reverse rotating bevel gears in the bevel gear transmission assembly are connected with the short hollow shaft 34 and the long hollow shaft 33 respectively, the long hollow shaft 33 is embedded in the short hollow shaft 34, the long hollow shaft 33 and the short hollow shaft 34 both extend into the inner cavity of the crushing chamber 1, the adjusting shaft 7 is nested in the long hollow shaft 33 and the shaft end of the adjusting shaft 7 is connected with the second linear vibration mechanism E; a plurality of the umbrella type crushing mechanisms A are installed on the coaxial reverse mechanism B, part of the umbrella type crushing mechanisms A are fixed on the short hollow shaft 34 and the other part of the umbrella type crushing mechanisms A are fixed on the long hollow shaft 33, the umbrella type crushing mechanisms A are driven to rotate and cut by the motor 5 and are driven to open and close and stir the straw by the second linear vibration mechanism E; the screen 3 is arranged in the inner cavity of the crushing chamber 1 and is located below the umbrella type crushing mechanisms A, the screen 3 is slidably connected with the inner wall of the chamber body 41 of the crushing chamber 1 through the spring mechanism C, the spring mechanism C is arranged below the crushing chamber 1 and is connected with the driving connecting rod 10 of the first linear vibration mechanism D, the first linear vibration mechanism D is powered by the motor 5; a discharging channel is arranged below the screen 3 and a fan 9 is installed in the discharging channel, the straw powder is discharged along the discharging channel through the shaker 8.

[0037] As shown in Figure 1 , further, the top of the crushing chamber 1 is provided with a feeding port 6, and the umbrella type crushing mechanisms A are located below the feeding port 6.

[0038] As shown in Figure 1 , further, the belt transmission mechanism comprises a synchronous belt pulley, a belt 4 and a belt pulley 2, the synchronous belt pulley is fixed on the output shaft of the motor 5, the motor 5 drives the belt pulley 2 to rotate through the belt 4, and the output shaft of the belt pulley 2 is connected with the coaxial reverse mechanism B.

[0039] As shown in Figure 1 , Figure 3 , further, the bevel gear transmission assembly comprises a first bevel gear 30, a second bevel gear 31, a third bevel gear 32 and a fixing frame 35; the long hollow shaft 33 is coaxially connected with the output shaft of the belt pulley 2 of the belt transmission mechanism, the first bevel gear 30 is keyed with the long hollow shaft 33, the second bevel gear 31 is installed on the fixing frame 35, the first bevel gear 30, the third bevel gear 32 and the second bevel gear 31 are sequentially meshed, and the third bevel gear 32 is keyed with the short hollow shaft 34; the power transmitted by the belt transmission mechanism sequentially passes through the first bevel gear 30, the second bevel gear 31 and the third bevel gear 32, so that the first bevel gear 30 and the third bevel gear 32 rotate reversely and synchronously, the short hollow shaft 34 and the long hollow shaft 33 are driven to rotate reversely and synchronously, and the umbrella type crushing mechanisms A are further driven to rotate.

[0040] As shown in Figure 1 , Figure 2 Further, a plurality of umbrella-shaped crushing mechanisms A are arranged according to the rotation direction, and the umbrella-shaped crushing mechanism A comprises a plurality of arc-shaped cutters 21, a short-arm connecting rod 23, a movable-end adjuster 25, a fixed-end adjuster 28, and a shaft ring 29. The fixed-end adjuster 28 is welded on the shaft ring 29, and the shaft ring 29 is fixed on the outer diameter of the short hollow shaft 34 or the long hollow shaft 33. A plurality of arc-shaped cutters 21 are evenly connected on the fixed-end adjuster 28, and the front end of the arc-shaped cutter 21 is connected with the fixed-end adjuster 28 through a fixed-end connecting pin shaft 27. The middle part of the arc-shaped cutter 21 is provided with a cutter sliding groove 22, one end of the short-arm connecting rod 23 is slidingly connected in the cutter sliding groove 22, and the other end of the short-arm connecting rod 23 is connected with the movable-end adjuster 25 through a movable-end connecting pin shaft 26. The short hollow shaft 34 and the long hollow shaft 33 are both provided with an adjuster sliding groove 24, and the inner circle of the movable-end adjuster 25 is welded and fixed with the adjusting shaft 7 after passing through the adjuster sliding groove 24. The movable-end adjuster 25 can reciprocate along the short hollow shaft 34 within the length range of the adjuster sliding groove 24, and then drive the arc-shaped cutter 21 to open and close through the short-arm connecting rod 23.

[0041] As shown in Figure 1 , Figure 4 The spring mechanism C comprises a spring 38, a support plate 39, and a movable plate 42. The spring 38 is fixed between the support plate 39 and the movable plate 42. The movable plate 42 is connected with the driving connecting rod 10 of the first linear vibration mechanism D. The two ends of the screen 3 are connected on the movable plate 42 through buckles. The movable plate 42 is slidingly connected with the slide column 37 on the inner wall of the bin body 41 through the movable plate sliding groove 36. The first linear vibration mechanism D drives the screen 3 to vibrate up and down in the bin body 1 through the spring mechanism C.

[0042] As shown in Figure 1 , Fig. 5(a), and Fig. 5(b), the first linear vibration mechanism D and the second linear vibration mechanism E have the same structure. The first linear vibration mechanism D comprises a driving connecting rod 10, a spherical conical connecting piece 11, a base 12, a main shaft 13, a pin shaft 14, a first winding drum 15, a second winding drum 16, a sliding key 17, a third winding drum 18, a speed regulating shaft 19, and a shaft coupling 20. The main shaft 13 and the driving connecting rod 10 are installed in parallel on the base 12. The driving connecting rod 10 is connected with the first winding drum 15 through the spherical conical connecting piece 11, and the first winding drum 15 is connected with the main shaft 13 through the pin shaft 14. The first winding drum 15 is connected with the second winding drum 16 through the shaft coupling 20, and the second winding drum 16 is connected with the main shaft 13 through the sliding key 17. The second winding drum 16 is connected with the speed regulating shaft 19 through the third winding drum 18, and the speed regulating shaft 19 is installed on the base 12. The outer end of the speed regulating shaft 19 is provided with a speed regulating knob. The main shaft 13 is driven by a motor.

[0043] Embodiment 2

[0044] The embodiment is a pulverizing method of a straw pulverizing device for artificial humus production as described in Embodiment 1, comprising the following steps:

[0045] S1, the straw is added into the pulverizing bin 1 through the feeding port 6;

[0046] S2, the power output by the motor 5 is transmitted to the coaxial reverse mechanism B through the belt transmission mechanism, the umbrella-shaped pulverizing mechanism A is driven to rotate at high speed through the coaxial reverse mechanism B, and the adjusting shaft 7 of the coaxial reverse mechanism B is driven to reciprocate through the No. 2 linear vibration mechanism E, so as to make the umbrella-shaped pulverizing mechanism A open and close to stir the straw; in addition, with the help of the mutually reversed concentric shafts, the cutter can roll the straw on both sides to the middle part of the pulverizing bin, so as to facilitate the pulverization of the straw;

[0047] S3, the screen 3 is vibrated up and down by the spring mechanism C and the No. 1 linear vibration mechanism D, the vibration of the straw on the screen increases the falling speed of the powdery straw and prevents the straw from blocking the screen 3;

[0048] S4, the fully stirred straw falls into the lower discharge channel, the powder is discharged from the discharge port of the shaker 8, and the fine pulverization of the straw is completed.

[0049] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A straw crushing device for artificial humus, characterized in that, The system includes a crushing chamber (1), a motor (5), an umbrella-type crushing mechanism A, a coaxial reversing mechanism B, a spring mechanism C, a first linear vibration mechanism D, a second linear vibration mechanism E, a screen (3), and a cyclone separator (8). The motor (5) is connected to the coaxial reversing mechanism B via a belt drive mechanism. The coaxial reversing mechanism B includes a bevel gear transmission assembly, a short hollow shaft (34), a long hollow shaft (33), and an adjusting shaft (7). The input end of the bevel gear transmission assembly is connected to the output end of the belt drive mechanism. The output ends of the two counter-rotating bevel gears in the bevel gear transmission assembly are respectively connected to the short hollow shaft (34) and the long hollow shaft (33). The long hollow shaft (33) is embedded in the short hollow shaft (34). Both the long hollow shaft (33) and the short hollow shaft (34) extend into the inner cavity of the crushing chamber (1). The adjusting shaft (7) is nested in the long hollow shaft (33), and the shaft end of the adjusting shaft (7) is connected to the second linear vibration mechanism. The vibration mechanism E; multiple umbrella-type crushing mechanisms A are installed on the coaxial reversing mechanism B. Some umbrella-type crushing mechanisms A are connected to the short hollow shaft (34), and other umbrella-type crushing mechanisms A are connected to the long hollow shaft (33). The umbrella-type crushing mechanisms A are driven by the motor (5) to perform high-speed rotary motion to cut the straw, and are driven by the second linear vibration mechanism E to perform opening and closing motion to stir the straw; the screen (3) is set in the inner cavity of the crushing chamber (1) and located below the umbrella-type crushing mechanism A. The screen (3) is slidably connected to the inner wall of the crushing chamber (1) through the spring mechanism C. The spring mechanism C is set below the crushing chamber (1) and connected to the driving end of the first linear vibration mechanism D. The first linear vibration mechanism D is powered by the motor (5); a discharge channel is provided below the screen (3). A fan (9) is installed in the discharge channel. The straw powder is discharged along the discharge channel through the cyclone (8); The umbrella-shaped crushing mechanism A includes multiple arc-shaped cutters (21), a short-arm connecting rod (23), a movable-end adjuster (25), a fixed-end adjuster (28), and a collar (29); the fixed-end adjuster (28) is welded to the collar (29), and the collar (29) is fixed on the outer diameter of the short hollow shaft (34) or the long hollow shaft (33); multiple arc-shaped cutters (21) are evenly connected to the fixed-end adjuster (28), and the front end of the arc-shaped cutter (21) is connected to the fixed-end adjuster (28) through a fixed-end connecting pin (27); the middle part of the arc-shaped cutter (21) is provided with a cutter groove (22), and the short-arm connecting rod... One end of the rod (23) is slidably connected in the tool groove (22), and the other end of the short arm connecting rod (23) is connected to the movable end adjuster (25) through the movable end connecting pin (26); both the short hollow shaft (34) and the long hollow shaft (33) are provided with adjuster grooves (24). The inner circle of the movable end adjuster (25) passes through the adjuster groove (24) and is welded and fixed to the adjusting shaft (7). The movable end adjuster (25) can reciprocate along the short hollow shaft (34) within the length range of the adjuster groove (24) with the adjusting shaft (7), and then drive the arc-shaped tool (21) to open and close through the short arm connecting rod (23); The first linear vibration mechanism D has the same structure as the second linear vibration mechanism E; the first linear vibration mechanism D includes a drive link (10), a ball-cone connector (11), a base (12), a main shaft (13), a pin (14), a first drum (15), a second drum (16), a sliding key (17), a third drum (18), a speed regulating shaft (19), and a coupling (20); the main shaft (13) and the drive link (10) are mounted parallel to each other on the base (12); the drive link (10) is connected by a ball-cone connector. Part (11) is connected to the first drum (15), which is connected to the main shaft (13) via a pin (14); the first drum (15) is connected to the second drum (16) via a coupling (20), which is connected to the main shaft (13) via a slide key (17); the second drum (16) is connected to the speed regulating shaft (19) via the third drum (18), which is mounted on the base (12) and has a speed regulating knob at its outer end; the main shaft (13) is driven by a motor.

2. The straw crushing device for artificial humus as described in claim 1, characterized in that, The crushing chamber (1) is provided with a feed inlet (6) at the top, and the umbrella-type crushing mechanism A is located below the feed inlet (6).

3. The straw crushing device for artificial humus as described in claim 1, characterized in that, The belt drive mechanism includes a synchronous pulley, a belt (4) and a pulley (2). The synchronous pulley is fixed on the output shaft of the motor (5). The motor (5) drives the pulley (2) to rotate through the belt (4). The output shaft of the pulley (2) is connected to the bevel gear transmission assembly of the coaxial reversing mechanism B.

4. The straw crushing device for artificial humus as described in claim 1, characterized in that, The bevel gear transmission assembly includes a first bevel gear (30), a second bevel gear (31), a third bevel gear (32), and a fixed frame (35); the long hollow shaft (33) is connected to the output end of the belt drive mechanism, the first bevel gear (30) is keyed to the long hollow shaft (33), the second bevel gear (31) is mounted on the fixed frame (35), the first bevel gear (30), the third bevel gear (32) mesh with the second bevel gear (31) in sequence, and the third bevel gear (32) is keyed to the short hollow shaft (34); the power transmitted through the belt drive mechanism passes through the first bevel gear (30), the second bevel gear (31), and the third bevel gear (32) in sequence, causing the first bevel gear (30) and the third bevel gear (32) to rotate synchronously in opposite directions, driving the short hollow shaft (34) and the long hollow shaft (33) to rotate synchronously in opposite directions, thereby driving the umbrella-type crushing mechanism A to rotate.

5. A straw crushing device for artificial humus as described in claim 1, characterized in that, Multiple umbrella-shaped crushing mechanisms A are arranged opposite to each other and rotate synchronously in opposite directions under the drive of the coaxial reversing mechanism B.

6. The straw crushing device for artificial humus as described in claim 1, characterized in that, The spring mechanism C includes a spring (38), a support plate (39), and a movable plate (42); the spring (38) is fixed between the support plate (39) and the movable plate (42); the movable plate (42) is connected to the output end of the first linear vibration mechanism D; the two ends of the screen (3) are connected to the movable plate (42) by snap fasteners; the movable plate (42) is provided with a movable plate groove (36), and the movable plate (42) is slidably connected to the sliding column (37) on the inner wall of the silo (41) through the movable plate groove (36); the first linear vibration mechanism D drives the screen (3) to vibrate up and down in the silo (41) through the spring mechanism C.

7. A straw crushing method for artificial humus production as described in any one of claims 1-6, comprising the following steps: S1. Add the straw into the crushing chamber (1); S2. The power output of the motor (5) is transmitted to the coaxial reversing mechanism B through the belt drive mechanism. The coaxial reversing mechanism B drives the umbrella crushing mechanism A to rotate at high speed. At the same time, the adjustment shaft (7) of the coaxial reversing mechanism B is driven to reciprocate through the second linear vibration mechanism E, thereby causing the umbrella crushing mechanism A to open and close to stir the straw. With the help of the coaxial reversing mechanism B, the umbrella crushing mechanisms A installed in two directions rotate in opposite directions synchronously, turning the straw on both sides to the middle part of the crushing chamber, and fully crushing the straw. S3. Using spring mechanism C and linear vibration mechanism D, the screen (3) vibrates up and down, and the straw vibrates on the screen at the same time. S4. After being thoroughly mixed, the straw falls into the discharge channel below, and the powder is discharged from the discharge port of the cyclone (8), thus completing the fine crushing of the straw.

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