CN112121904B

CN112121904B - Raw materials of preparation organic fertilizer prevents stifled crushing apparatus

Info

Publication number: CN112121904B
Application number: CN202010912389.2A
Authority: CN
Inventors: 邓红侠
Original assignee: Shandong Ferbeaut Fertilizer Co ltd
Current assignee: SHANDONG FERBEAUT FERTILIZER Co.,Ltd.
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-12-21
Anticipated expiration: 2040-09-03
Also published as: CN112121904A

Abstract

The invention relates to the technical field of crushing equipment, in particular to raw material anti-blocking crushing equipment for preparing organic fertilizer, which comprises a substrate, the base plate is circular, the middle part of the base plate is provided with a central hole, one side of the base plate is provided with a fan-shaped opening, the opening is communicated with the central hole, the upper surface of the base plate is provided with a plurality of annular convex edges which are concentrically arranged, the convex ribs are disconnected at the openings, the upper part of the base plate is covered with a circular bottom plate, the bottom plate is concentric with the base plate, the bottom plate is provided with a plurality of annular crushed material openings, a plurality of crushed material strips are arranged inside the bottom plate, the extension lines of the crushed material strips pass through the center of the bottom plate, a gap is left between the bottom surface of the crushed material strip and the bottom surface of the bottom plate, the convex edges are all embedded into one crushed material opening, the top surfaces of the convex edges are in sliding fit with the bottom surfaces of the crushed material strips, so that blockage in crushing can be prevented.

Description

Raw materials of preparation organic fertilizer prevents stifled crushing apparatus

Technical Field

The invention relates to the field of crushing equipment, in particular to raw material anti-blocking crushing equipment for preparing organic fertilizer.

Background

The organic fertilizer is mainly derived from plants and/or animals, and is a carbon-containing material which is applied to soil to provide plant nutrition as a main function. Is prepared from biological substances, animal and plant wastes and plant residues, eliminates toxic and harmful substances in the biological substances, and is rich in a large amount of beneficial substances, including: various organic acids, peptides and rich nutrient elements including nitrogen, phosphorus and potassium. Organic fertilizer often needs to be smashed it in process of production, and reducing mechanism among the prior art takes place to block up easily to influence the normal operating of equipment.

Disclosure of Invention

The invention aims to solve the defect that the blockage is easy to occur in the prior art, and provides raw material anti-blocking crushing equipment for preparing organic fertilizer.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a raw materials prevents stifled crushing apparatus of organic fertilizer, includes the base plate, the base plate is circular, the middle part of base plate is equipped with the centre bore, base plate one side is equipped with sectorial opening, opening and centre bore intercommunication, the upper surface of base plate is equipped with a plurality of annular beads, the bead sets up with one heart, the bead is at the opening part disconnection, the upper portion of base plate covers there is the circular shape bottom plate, the bottom plate is concentric with the base plate, be equipped with a plurality of annular crushed aggregates mouths on the bottom plate, the inside a plurality of crushed aggregates strips that are equipped with of bottom plate, the extension line of crushed aggregates strip passes through the center of bottom plate, leave the clearance between the bottom surface of crushed aggregates strip and the bottom surface of bottom plate, the bead all imbeds in one of them crushed aggregates mouth, the top surface of bead and the bottom surface sliding fit of crushed aggregates strip, the equidistance is equipped with the bullet material mechanism on the bead, bullet material mechanism is including establishing the breach on the bead, the convex edge on one side of the notch is fixedly connected with one end of the elastic strip, and an acute included angle is formed between the elastic strip and the surface of the substrate;

the middle part of the bottom plate is vertically connected with an inner surrounding plate which is coaxially arranged with the bottom plate, the inner surrounding plate is cylindrical, the inner surrounding plate is flush with the edge of the central hole, the side wall of the inner surrounding plate is vertically and fixedly connected with a plurality of material pushing plates which are radially distributed, the included angles between the adjacent material pushing plates are equal, the central plane of each material pushing plate passes through the center of the bottom plate, the end surface of one end, far away from the inner surrounding plate, of each material pushing plate is in sliding fit with the inner wall of the outer surrounding plate, the outer surrounding plate is cylindrical, and the lower end of the outer surrounding plate is vertically and fixedly connected with the outer edge of the base plate;

a pressing plate matched with the opening in shape and position is arranged above the opening, two sides of the pressing plate are attached to two of the material pushing plates, the surface of the pressing plate is in sliding fit with the material pushing plates, a pressing rod is vertically and fixedly connected to the middle of the top surface of the pressing plate, two ends of the pressing rod are respectively inserted into a lower sliding sleeve and an upper sliding sleeve which are in sliding fit with the pressing rod, the lower sliding sleeve and the upper sliding sleeve are both fixed on the base frame, one side of the middle of the pressing rod is provided with a section of rack, gaps are reserved between the upper section and the lower section of the rack and the upper sliding sleeve and the lower sliding sleeve respectively, a fixed shaft is rotatably installed on the upper portion of the base frame and is parallel to the bottom plate, the fixed shaft is fixedly connected with the middle of the shifting rod, one end of the shifting rod is connected with a fan-shaped gear ring, the gear ring is meshed with the rack, a sliding groove is arranged on the shifting rod along the length direction of the shifting rod, a sliding block is slidably installed in the sliding groove, and is fixed at the edge of the back surface of the second bevel gear, the front surface of the second bevel gear is rotationally connected with the base frame through a middle shaft, and the middle shaft is parallel to the fixed shaft;

the base frame is provided with a driving mechanism for driving the connecting shaft to rotate around the central axis of the connecting shaft, the connecting shaft is perpendicular to the surface of the bottom plate, the lower end of the connecting shaft is coaxially connected with the upper surface of the first bevel gear, the middle of the lower surface of the first bevel gear is provided with a notched disc, the edge of the lower surface of the first bevel gear is connected with a cylindrical pin, the middle of the inner enclosing plate is provided with a main rotating shaft coaxial with the inner enclosing plate, a plurality of connecting plates are fixedly connected between the side wall of the main rotating shaft and the inner wall of the inner enclosing plate, the upper end of the main rotating shaft is connected with a grooved pulley, and the grooved pulley, the notched disc and the cylindrical pin form a grooved pulley mechanism.

Preferably, both ends of the rib are flush with the edge of the opening, and both ends of the rib are provided with an inclined surface, and a point on the inclined surface is farther from the edge of the opening than the surface of the substrate.

Preferably, the number of the material pushing plates is four, the included angle between every two adjacent material pushing plates is 90 degrees, and the central angle of the opening is 90 degrees.

Preferably, the driving mechanism comprises a third motor, a second transmission gear is coaxially connected to the end of an output shaft of the third motor, a first transmission gear is coaxially connected to the upper end of the connecting shaft, the first transmission gear is meshed with the second transmission gear, and the third motor is fixed on the base frame.

Preferably, the top of bottom plate is equipped with the transport cylinder parallel with it, the one end bottom of transport cylinder is equipped with the discharge gate, the discharge gate is located the top of bottom plate and staggers with the opening, the hob of coaxial setting with it is installed to the transport cylinder internal rotation, the one end of hob and the output shaft end coaxial coupling of second motor, second motor fixed mounting is at the tip of transport cylinder, the feed inlet has been seted up on the other end upper portion of transport cylinder.

Preferably, the bottom of precomminution case is connected to the feed inlet, the upper portion of precomminution case is equipped with puts in the mouth, put in the stock guide that the slope of the precomminution case fixedly connected with of mouth both sides set up, the stock guide below is equipped with two crushing rollers that are parallel to each other, the both ends of crushing roller are rotated through the lateral wall of first pivot and precomminution case and are connected, the outer wall fixed mounting of precomminution case has first motor, the output shaft end coaxial coupling of first motor has drive gear, the tip coaxial coupling of first pivot has driven gear, two driven gear intermeshing, one of them driven gear and drive gear meshing.

Preferably, a plurality of support legs are fixed to the bottom of the base frame and the bottom of the base plate.

Compared with the prior art, the invention has the following beneficial effects: the novel crusher is provided with the base plate and the bottom plate, the bottom plate is provided with the material crushing port and the material crushing strips, the bottom plate is provided with the material pushing plates, the material pushing plates can push raw materials to be crushed on the bottom plate to move along with the rotation of the bottom plate, the pressing plate capable of moving up and down is arranged, the pressing plate can move down to press the raw materials out through the material crushing port, the material crushing port and the material crushing strips play a role in crushing the raw materials, the base plate is provided with the convex edges and the elastic strips arranged on the convex edges, the convex edges can be matched with the bottom of the material crushing port, the crushed materials in the material crushing port are extruded after the pressing plate completes one-time up and down movement, and the elastic strips can extrude the crushed materials embedded at the upper part of the material crushing port, so that the cleaning of the inside of the material crushing port can be realized, and the blockage prevention is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the structure at the pre-crash box of the present invention;

FIG. 4 is a schematic view of the base plate and its superstructure of the present invention;

FIG. 5 is a schematic view of the structure at A in FIG. 4;

fig. 6 is a schematic view of the inventive geneva gear arrangement;

FIG. 7 is a schematic view of a substrate and its upper structure according to the present invention;

FIG. 8 is a schematic view of the structure at B in FIG. 7;

fig. 9 is a schematic view of the structure at C in fig. 7.

In the figure: the device comprises a peripheral plate 1, a first bevel gear 2, a second bevel gear 3, a first transmission gear 4, a second transmission gear 5, a material guide plate 6, a pre-crushing box 7, a driving gear 8, a first motor 9, a first rotating shaft 10, a second motor 11, a conveying cylinder 12, a base frame 13, a support leg 14, a connecting plate 15, an inner enclosing plate 16, a material pushing plate 17, a main rotating shaft 18, a pressing plate 19, a driven gear 20, a sliding block 21, a bottom plate 22, a crushing roller 23, a third motor 24, a feeding hole 25, a screw rod 26, a discharging hole 27, a rack 28, a pressing rod 29, a lower sliding sleeve 30, a deflector rod 31, a sliding groove 32, a crushing hole 33, a crushing strip 34, a connecting shaft 35, a notch disc 36, a cylindrical pin 37, a grooved wheel 38, a base plate 39, a convex rib 40, an opening 41, a central hole 42, a slope 43, a notch 44, a gear ring 45, an upper sliding sleeve 46, a fixed shaft 47 and an elastic strip 48.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-9, the raw material anti-blocking crushing apparatus for preparing organic fertilizer comprises a base plate 39, the base plate 39 is circular, a central hole 42 is formed in the middle of the base plate 39, a fan-shaped opening 41 is formed in one side of the base plate 39, the opening 41 is communicated with the central hole 42, a plurality of annular convex ribs 40 are formed on the upper surface of the base plate 39, the convex ribs 40 are concentrically arranged, the convex ribs 40 are disconnected at the opening 41, a circular bottom plate 22 covers the upper portion of the base plate 39, the bottom plate 22 is concentric with the base plate 39, a plurality of annular crushed material openings 33 are formed in the bottom plate 22, a plurality of crushed material strips 34 are arranged inside the bottom plate 22, the extension lines of the crushed material strips 34 pass through the center of the bottom plate 22, a gap is reserved between the bottom surfaces of the crushed material strips 34 and the bottom surface of the bottom plate 22, the convex ribs 40 are all embedded into one of the crushed material openings 33, the top surfaces of the convex ribs 40 are in sliding fit with the bottom surfaces of the crushed material strips 34, and elastic mechanisms are equidistantly arranged on the convex ribs 40, the elastic mechanism comprises a notch 44 arranged on the rib 40, the rib 40 on one side of the notch 44 is fixedly connected with one end of an elastic strip 48, and an acute included angle is formed between the elastic strip 48 and the surface of the base plate 39.

The raw materials are added to the base plate 22 in sliding fit with the upper portion of the base plate 39 from the top, the material crushing opening 33 and the material crushing strips 34 arranged on the base plate 22 are matched to crush the raw materials, the raw materials are pressed when being moved to the opening 41 and crushed through the material crushing opening 33, the structure for containing organic fertilizers is arranged below the opening 41, for example, a material receiving trolley is arranged, after the raw materials are crushed, the base plate 22 continues to rotate, the protruding edges 40 arranged on the base plate 39 can extrude the residual materials at the bottom of the material crushing opening 33, the elastic strips 48 can extrude the residual materials at the upper portion of the material crushing opening 33, blockage is prevented, the crushing device can be suitable for various fertilizer raw materials, when the elastic strips 48 are in contact with the material crushing strips 34, the elastic strips 48 can enter the gaps 44 after being pressed, and therefore the rotation of the base plate 22 is not affected.

The middle of the bottom plate 22 is vertically connected with an inner surrounding plate 16 coaxially arranged with the bottom plate, the inner surrounding plate 16 is cylindrical, the inner surrounding plate 16 is flush with the edge of the central hole 42, the side wall of the inner surrounding plate 16 is vertically and fixedly connected with a plurality of material pushing plates 17, the material pushing plates 17 are radially distributed, the included angles between the adjacent material pushing plates 17 are equal, the central plane of the material pushing plate 17 passes through the center of the bottom plate 22, one end face, far away from the inner surrounding plate 16, of the material pushing plate 17 is in sliding fit with the inner wall of the outer surrounding plate 1, the outer surrounding plate 1 is cylindrical, and the lower end of the outer surrounding plate 1 is vertically and fixedly connected with the outer edge of the base plate 39.

The bottom plate 22 is rotated under the action of external force, the inner surrounding plate 16 and the outer surrounding plate 1 play a limiting role, so that an accommodating space is formed above the bottom plate 22 and used for temporarily storing organic fertilizer raw materials, the material pushing plate 17 can divide the space above the bottom plate 22 into a plurality of spaces, and the material pushing plate 17 can push the raw materials of the organic fertilizer to move.

A pressing plate 19 matched with the shape and position of the opening 41 is arranged above the opening 41, two sides of the pressing plate 19 are attached to two of the material pushing plates 17, the surface of the pressing plate 19 is in sliding fit with the surface of the material pushing plates 17, a pressing rod 29 is vertically and fixedly connected to the middle of the top surface of the pressing plate 19, two ends of the pressing rod 29 are respectively inserted into a lower sliding sleeve 30 and an upper sliding sleeve 46 which are in sliding fit with the pressing rod 29, the lower sliding sleeve 30 and the upper sliding sleeve 46 are both fixed on the base frame 13, one side of the middle of the pressing rod 29 is provided with a section of rack 28, gaps are respectively reserved between the upper section and the lower section of the rack 28 and the upper sliding sleeve 46 and the lower sliding sleeve 30, the upper part of the base frame 13 is rotatably provided with a fixed shaft 47, the fixed shaft 47 is parallel to the bottom plate 22, the fixed shaft 47 is fixedly connected with the middle of a shifting lever 31, one end of the shifting lever 31 is connected with a fan-shaped gear ring 45, the gear ring 45 is meshed with the gear 28, a sliding chute 32 is arranged on the shifting lever 31 along the length direction thereof, and a sliding block 21 is slidably arranged in the chute 32, the slide block 21 is fixed at the edge of the back of the second bevel gear 3, the front of the second bevel gear 3 is rotatably connected with the base frame 13 through a central shaft, and the central shaft is parallel to the fixed shaft 47.

The pressing plate 19 is used for providing pressure to enable the raw materials of the organic fertilizer to pass through the material crushing opening 33 and the material crushing strips 34 which are arranged on the bottom plate 22, so that the raw materials of the organic fertilizer are crushed, the pressing rod 29 is used for driving the pressing plate 19 to move up and down, when two adjacent material pushing plates 17 move to be aligned with two sides of the pressing plate 19, the pressing plate 19 presses downwards, then the pressing plate 19 moves upwards to be above the material returning plates 17, the two material returning plates 17 move, the two adjacent material pushing plates 17 carry the raw materials to be crushed to enter the lower portion of the pressing plate 19, the process is repeated, the second bevel gear 3 rotates under the action of external force, along with the rotation of the second bevel gear 3, the sliding block 21 slides back and forth in the sliding groove 32 and drives the deflector rod 31 to swing around the fixed shaft 47, along with the swing of the fixed shaft 47, the gear ring 45 drives the rack 28 to move up and down, and the upper sliding sleeve and the lower sliding sleeve play a guiding role.

The base frame 13 is provided with a driving mechanism for driving the connecting shaft 35 to rotate around the central axis thereof, the connecting shaft 35 is perpendicular to the surface of the bottom plate 22, the lower end of the connecting shaft 35 is coaxially connected with the upper surface of the first bevel gear 2, the middle part of the lower surface of the first bevel gear 2 is provided with a notched disc 36, the edge of the lower surface of the first bevel gear 2 is connected with a cylindrical pin 37, the middle part of the inner surrounding plate 16 is provided with a main rotating shaft 18 coaxial with the inner surrounding plate, a plurality of connecting plates 15 are fixedly connected between the side wall of the main rotating shaft 18 and the inner wall of the inner surrounding plate 16, the upper end of the main rotating shaft 18 is connected with a grooved wheel 38, and the grooved wheel 38, the notched disc 36 and the cylindrical pin 37 form a grooved wheel mechanism. The connecting shaft 35 is driven by the driving mechanism to rotate around the central axis, the first bevel gear 2 rotates along with the rotation of the connecting shaft 35, the notched disc 36 and the cylindrical pin 37 at the bottom of the first bevel gear 2 rotate to form a groove wheel mechanism, the grooved wheels 38 rotate intermittently, the bottom plate 22 rotates by a corresponding angle when the grooved wheels 38 rotate once, if the grooved wheels 38 are formed as grooved wheels 38 with four grooves, the included angle between adjacent material pushing plates 17 is set to be 90 degrees, so that the grooved wheels 38 rotate once and just send an adjacent pair of material pushing plates 17 to the lower part of the pressing plate 19, the rotation of the first bevel gear 2 can drive the second bevel gear 3, the second bevel gear 3 rotates to drive the pressing rod 29 to move up and down, wherein the grooved wheels 38 rotate once when the first bevel gear 2 rotates once, the pressing rod 29 moves up and down once when the second bevel gear 3 rotates once, only the transmission ratio of the first bevel gear 2 to the second bevel gear 3 needs to be set to be 1:1, the pressing plate 19 is arranged above the ejector plate 17 when the cylindrical pin 37 is engaged with the groove of the sheave 38, that is, the sheave 38 rotates, so that the rotation of the ejector plate 17 is not affected.

The ends of the rib 40 are flush with the edge of the opening 41 and the two ends of the rib 40 are provided with a ramp 43, the point on the ramp 43 being further from the edge of the opening 41 than the surface of the base plate 39. The number of the material pushing plates 17 is four, the included angle between every two adjacent material pushing plates 17 is 90 degrees, and the central angle of the opening 41 is 90 degrees. The included angle can be set to other angles as needed, and only the number of grooves of the grooved pulley 38 needs to be changed at the same time. For example, at an angle of 60 deg. the sheave 38 is provided with six grooves.

The driving mechanism comprises a third motor 24, a second transmission gear 5 is coaxially connected to the end part of an output shaft of the third motor 24, a first transmission gear 4 is coaxially connected to the upper end of the connecting shaft 35, the first transmission gear 4 is meshed with the second transmission gear 5, and the third motor 24 is fixed on the base frame 13. The third motor 24 is connected with an external power supply through a lead, and the first transmission gear 4 and the second transmission gear 5 can play a role in speed reduction transmission.

The conveying cylinder 12 parallel to the bottom plate 22 is arranged above the bottom plate 22, the discharge port 27 is arranged at the bottom of one end of the conveying cylinder 12, the discharge port 27 is located above the bottom plate 22 and staggered with the opening 41, the conveying cylinder 12 is rotatably provided with a screw rod 26 coaxially arranged with the conveying cylinder 12, one end of the screw rod 26 is coaxially connected with the end part of an output shaft of the second motor 11, the second motor 11 is fixedly arranged at the end part of the conveying cylinder 12, and the feed port 25 is formed in the upper part of the other end of the conveying cylinder 12. The second motor 11 drives the screw 26 to rotate, thereby continuously conveying the raw material introduced into the conveying cylinder 12.

The bottom of precomminution case 7 is connected to feed inlet 25, the upper portion of precomminution case 7 is equipped with puts in the mouth, put in the stock guide 6 that the slope of the precomminution case 7 fixedly connected with slope of mouth both sides set up, stock guide 6 below is equipped with two crushing rollers 23 that are parallel to each other, the lateral wall rotation of first pivot 10 and precomminution case 7 is connected at the both ends of crushing roller 23, the outer wall fixed mounting of precomminution case 7 has first motor 9, the output shaft end coaxial coupling of first motor 9 has drive gear 8, the tip coaxial coupling of first pivot 10 has driven gear 20, two driven gear 20 intermeshing, one of them driven gear 20 and drive gear 8 meshing. A plurality of feet 14 are fixed to the bottom of the base frame 13 and the bottom of the base plate 39. The raw materials get into in the precomminution case 7 through putting in the mouth, carry out precomminution through two crushing rollers 23, stock guide 6 plays the guide raw materials and plays the effect through two crushing rollers 23 cooperation departments.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a raw materials prevents stifled crushing apparatus of preparation organic fertilizer, includes base plate (39), its characterized in that, base plate (39) are circular, the middle part of base plate (39) is equipped with centre bore (42), base plate (39) one side is equipped with sectorial opening (41), opening (41) and centre bore (42) intercommunication, the upper surface of base plate (39) is equipped with a plurality of annular bead (40), bead (40) set up with one heart, bead (40) locate the disconnection at opening (41), the upper portion of base plate (39) covers has circular shape bottom plate (22), bottom plate (22) and base plate (39) are concentric, be equipped with a plurality of annular feed crushing mouth (33) on bottom plate (22), bottom plate (22) inside is equipped with a plurality of feed crushing strip (34), feed crushing strip (34) pass the bottom of each feed crushing mouth (33), crushing strip (34) and feed crushing mouth (33) vertical cross, the crusher is characterized in that the crushed material strips (34) are arrayed in a circular mode around the center of the bottom plate (22), the extension lines of the crushed material strips (34) pass through the center of the bottom plate (22), a gap is reserved between the bottom surfaces of the crushed material strips (34) and the bottom surface of the bottom plate (22), the convex ribs (40) are embedded into one of the crushing ports (33), the top surfaces of the convex ribs (40) are in sliding fit with the bottom surfaces of the crushed material strips (34), elastic mechanisms are arranged on the convex ribs (40) at equal intervals and comprise notches (44) formed in the convex ribs (40), the convex ribs (40) on one side of the notches (44) are fixedly connected with one ends of elastic strips (48), and acute included angles are formed between the elastic strips (48) and the surface of the base plate (39);

the middle part of the bottom plate (22) is vertically connected with an inner enclosing plate (16) which is coaxially arranged with the bottom plate, the inner enclosing plate (16) is cylindrical, the inner enclosing plate (16) is flush with the edge of the central hole (42), the side wall of the inner enclosing plate (16) is vertically and fixedly connected with a plurality of material pushing plates (17), the material pushing plates (17) are radially distributed, included angles between adjacent material pushing plates (17) are equal, the central plane of each material pushing plate (17) passes through the center of the bottom plate (22), the end face, far away from the inner enclosing plate (16), of each material pushing plate (17) is in sliding fit with the inner wall of the outer enclosing plate (1), the outer enclosing plate (1) is cylindrical, and the lower end of the outer enclosing plate (1) is vertically and fixedly connected with the outer edge of the base plate (39);

a pressing plate (19) matched with the opening (41) in shape and position is arranged above the opening, two sides of the pressing plate (19) are attached to two material pushing plates (17), the pressing plate (19) is in surface sliding fit with the material pushing plates (17), a pressing rod (29) is vertically and fixedly connected to the middle of the top surface of the pressing plate (19), two ends of the pressing rod (29) are respectively inserted into a lower sliding sleeve (30) and an upper sliding sleeve (46) in sliding fit with the pressing rod, the lower sliding sleeve (30) and the upper sliding sleeve (46) are fixed on a base frame (13), one side of the middle of the pressing rod (29) is provided with a section of rack (28), gaps are reserved between the upper section and the lower section of the rack (28) and the upper sliding sleeve (46) and the lower sliding sleeve (30), a fixed shaft (47) is rotatably installed on the upper portion of the base frame (13), the fixed shaft (47) is parallel to a bottom plate (22), and the middle of the fixed shaft (47) is fixedly connected with the middle of a shifting rod (31), one end of the shifting lever (31) is connected with a fan-shaped gear ring (45), the gear ring (45) is meshed with the rack (28), a sliding groove (32) is formed in the shifting lever (31) along the length direction of the shifting lever, a sliding block (21) is installed in the sliding groove (32) in a sliding mode, the sliding block (21) is fixed to the edge of the back face of the second bevel gear (3), the front face of the second bevel gear (3) is rotatably connected with the base frame (13) through a middle shaft, and the middle shaft is parallel to the fixed shaft (47);

the improved structure of the bevel gear mechanism is characterized in that a driving mechanism for driving the connecting shaft (35) to rotate around the central axis of the driving mechanism is arranged on the base frame (13), the connecting shaft (35) is perpendicular to the surface of the bottom plate (22), the lower end of the connecting shaft (35) is coaxially connected with the upper surface of the first bevel gear (2), a notched disc (36) is arranged in the middle of the lower surface of the first bevel gear (2), a cylindrical pin (37) is connected with the edge of the lower surface of the first bevel gear (2), a main rotating shaft (18) coaxial with the inner enclosing plate is arranged in the middle of the inner enclosing plate (16), a plurality of connecting plates (15) are fixedly connected between the side wall of the main rotating shaft (18) and the inner wall of the inner enclosing plate (16), a grooved pulley (38) is connected to the upper end of the main rotating shaft (18), and the grooved pulley (38), the notched disc (36) and the cylindrical pin (37) form a grooved mechanism.

2. The raw material anti-blocking crushing device for preparing organic fertilizer as claimed in claim 1, wherein both ends of the rib (40) are flush with the edge of the opening (41), and both ends of the rib (40) are provided with a slope (43), and points on the slope (43) are farther from the edge of the opening (41) than the surface of the substrate (39).

3. The raw material anti-blocking crushing device for preparing the organic fertilizer as claimed in claim 1, wherein the number of the material pushing plates (17) is four, the included angle between the adjacent material pushing plates (17) is 90 degrees, and the central angle of the opening (41) is 90 degrees.

4. The raw material anti-blocking crushing device for preparing the organic fertilizer as claimed in claim 1, wherein the driving mechanism comprises a third motor (24), a second transmission gear (5) is coaxially connected to an end portion of an output shaft of the third motor (24), a first transmission gear (4) is coaxially connected to an upper end of the connecting shaft (35), the first transmission gear (4) is meshed with the second transmission gear (5), and the third motor (24) is fixed on the base frame (13).

5. The raw material anti-blocking crushing device for preparing the organic fertilizer as claimed in claim 1, wherein a conveying cylinder (12) parallel to the bottom plate (22) is arranged above the bottom plate (22), a discharge port (27) is arranged at the bottom of one end of the conveying cylinder (12), the discharge port (27) is positioned above the bottom plate (22) and staggered with the opening (41), a screw rod (26) coaxially arranged with the conveying cylinder (12) is rotatably installed in the conveying cylinder (12), one end of the screw rod (26) is coaxially connected with the end portion of an output shaft of the second motor (11), the second motor (11) is fixedly installed at the end portion of the conveying cylinder (12), and a feed inlet (25) is formed in the upper portion of the other end of the conveying cylinder (12).

6. The raw material anti-blocking crushing device for preparing the organic fertilizer as claimed in claim 5, wherein the feed inlet (25) is connected with the bottom of a pre-crushing box (7), the upper part of the pre-crushing box (7) is provided with a feeding opening, the pre-crushing boxes (7) at two sides of the feeding opening are fixedly connected with a guide plate (6) which is obliquely arranged, two crushing rollers (23) which are parallel to each other are arranged below the guide plate (6), two ends of each crushing roller (23) are rotatably connected with the side wall of the pre-crushing box (7) through a first rotating shaft (10), a first motor (9) is fixedly installed on the outer wall of the pre-crushing box (7), the end part of an output shaft of the first motor (9) is coaxially connected with a driving gear (8), the end part of the first rotating shaft (10) is coaxially connected with a driven gear (20), and the two driven gears (20) are meshed with each other, one of the driven gears (20) is engaged with the drive gear (8).

7. The raw material anti-blocking crushing device for preparing the organic fertilizer as claimed in claim 1, wherein a plurality of supporting legs (14) are fixed to the bottom of the base frame (13) and the bottom of the base plate (39).