CN111545296B

CN111545296B - Integral type organic fertilizer smashes screening plant based on feed back is prevented stifled

Info

Publication number: CN111545296B
Application number: CN202010596605.7A
Authority: CN
Inventors: 杨立新
Original assignee: Hunan Ziyan Biotechnology Co ltd
Current assignee: Hunan Ziyan Biotechnology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2022-09-09
Anticipated expiration: 2040-06-28
Also published as: CN111545296A

Abstract

The invention provides an integrated organic fertilizer crushing and screening device based on feed back blockage prevention, which comprises a crushing and screening box for crushing fertilizer and screening fertilizer particles, supporting legs for supporting the fertilizer screening box, a uniform extrusion crushing mechanism for crushing fertilizer and a graded fertilizer screening mechanism for screening fertilizer, wherein the bottom of the crushing and screening box is fixedly connected with the supporting legs, and the integrated organic fertilizer crushing and screening device relates to the field of fertilizer processing. This screening plant is smashed to integral type organic fertilizer based on feed back is prevented stifled according to the problem that present fertilizer breakage exists with the screening, the design can reduce the motor and accord with, and satisfy the special mechanism of the process of accomplishing breakage and screening under the condition of low energy consumption, thereby the effectual general organic fertilizer breaker that has solved is difficult to carry out even unloading extrusion and row material to fertilizer by oneself, plus equipment increase motor accords with, the breakage and the screening process of fertilizer are separately gone on, increase fertilizer process time, reduce the problem of machining efficiency.

Description

Integral type organic fertilizer smashes screening plant based on feed back is prevented stifled

Technical Field

The invention relates to the technical field of fertilizer processing, in particular to an integrated organic fertilizer crushing and screening device based on feed back blocking prevention.

Background

The stage of crushing and screening materials is needed in the production and processing process of organic fertilizer, the prior fertilizer mainly uses crushing teeth to crush and crush in the crushing process, but the crushing area formed by most of the crushing teeth is cut open to see that the gap is flat, the material needs to use self gravity or exert extrusion force on a crushing structure to crush when being crushed, which not only increases the load of the crushing structure, but also has larger output power and higher energy consumption, therefore, the crushing and screening are often separated to reduce the coincidence of a motor, the condition that the motor is damaged due to long-term high-load operation is avoided, and even under the support of the structure pushing and extruding the material, the material is easy to compact and harden as a whole, the material is difficult to discharge easily, the crushing and processing efficiency is greatly influenced, and the material size generated in the material sieving process is not uniform, the condition that the material dispersion can not be opened often appears, and general organic fertilizer breaker is difficult to carry out even unloading extrusion and row material to fertilizer by oneself, and plus equipment increases the motor and accords with, and the breakage and the screening process of fertilizer are separately gone on, increase fertilizer process time, reduce machining efficiency, so need one kind and prevent stifled integral type organic fertilizer crushing and screening device based on the feed back.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an integrated organic fertilizer crushing and screening device based on feed back blocking prevention, which solves the problems that a common organic fertilizer crushing device is difficult to carry out uniform blanking extrusion and material discharge on fertilizers by self, an additional device increases the motor coincidence, the fertilizer crushing and screening processes are carried out separately, the fertilizer processing time is prolonged, and the processing efficiency is reduced.

(II) technical scheme

In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides an integral type organic fertilizer smashes screening plant based on feed back is prevented stifled, including the crushing screening case that is used for carrying on broken fertilizer and screening fertilizer granule, be used for supporting the supporting leg of fertilizer screening case, be used for carrying on even extrusion crushing mechanism of broken fertilizer and the graded fertilizer screening mechanism that is used for screening fertilizer, the bottom fixedly connected with supporting leg of crushing screening case, extrusion crushing mechanism sets up in the inside of crushing screening case, graded fertilizer screening mechanism sets up in the inside of crushing screening case.

Preferably, the uniform extrusion crushing mechanism comprises a feed hopper for feeding, a fixed crushing top cover, a movable crushing disc, fixed crushing teeth, movable crushing teeth and a motor, the motor is fixedly arranged at the bottom of the crushing and screening box, an output shaft of the motor is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft penetrates through the crushing and screening box and extends into the crushing and screening box, the top end of the rotating shaft is fixedly connected with the lower surface of the movable crushing disc, the surface of the feed hopper is fixedly connected with the inner wall of the crushing and screening box, the bottom of the feed hopper is fixedly connected with a supporting rod, the surface of the supporting rod is fixedly connected with the upper surface of the fixed crushing top cover, the center of the feeding hopper is provided with a feeding hole, the surface of the fixed crushing top cover is provided with a matching opening, and one end of the matching opening is fixedly connected with one end of the feeding hole.

Preferably, fixed crushing top cap is located the top of activity crushing dish, the surface of fixed crushing top cap and the surface of activity crushing dish all are the umbelliform, fixed crushing top cap and activity crushing dish parallel distribution, the fixed surface who smashes the top cap is connected with the fixed tooth that smashes of a plurality of, the tooth is smashed in the last fixed surface who smashes the top cap is connected with a plurality of activity, the fixed tooth that smashes distributes with the activity tooth is crisscross.

Preferably, the cross-sectional view of the fixed crushing teeth is zigzag, the cross-sectional view of the movable crushing teeth is zigzag, the left and right side edges of the cross-sectional view of the fixed crushing teeth are line-symmetric, the left and right side edges of the cross-sectional view of the movable crushing teeth are asymmetric, an upper end feeding area, a middle bending and extruding area and a bottom uniform material sliding area are arranged between the fixed crushing teeth and the movable crushing teeth, and the surfaces of the fixed crushing teeth and the movable crushing teeth are both polished roughly.

Preferably, hierarchical fertilizer screening mechanism includes that inboard loose ring, outside loose ring, one-level shine the net, the second grade shines the net, adsorbs a section of thick bamboo and material transmission fan, the inboard annular has been seted up to the inner wall of interior survey loose ring, the inner wall fixedly connected with extrusion piece of inboard annular, the inner wall sliding connection of inboard annular has the telescopic link, the surface of pivot and the inner wall sliding connection of inboard loose ring, the fixed surface of pivot is connected with flexible pipe, the inner wall of flexible pipe and the sliding surface connection of telescopic link, the inner wall fixedly connected with extrusion spring of flexible pipe, the one end of extrusion spring is connected with the fixed surface of telescopic link, the surface of flexible pipe and the inner wall sliding connection of inboard annular, the surface of telescopic link and the sliding surface connection of extrusion piece.

Preferably, the fixed surface of inboard activity ring is connected with the connecting rod, the fixed surface of connecting rod is connected with outside activity ring, outside annular has been seted up to the lateral surface of outside activity ring, the inner wall sliding connection of outside annular has a plurality of locating lever, the surface of locating lever and the inner wall fixed connection who smashes the screening case are provided with an elasticity piece between two adjacent locating levers, the surface of elasticity piece and the inner wall fixed connection of outside annular, the fixed surface of elasticity piece is connected with the sieve material and trembles the spring, the sieve material trembles the one end of spring and the fixed surface of locating lever is connected.

Preferably, the inner wall of the outer measurement movable ring is fixedly connected with a first-stage drying net, the surface of the first-stage drying net is in a ring shape, the surface of the first-stage drying net is fixedly connected with a second-stage drying net, the aperture of the first-stage drying net is smaller than that of the second-stage drying net, the inner wall of the crushing and screening box is fixedly connected with an adsorption cylinder, the adsorption cylinder is sleeved outside a rotating shaft, the adsorption cylinder is positioned below the second-stage drying net, the first-stage drying net and the second-stage drying net are connected into a whole and are recessed from the outer side to the inner side, a material transmission fan is fixedly installed on the surface of the crushing and screening box, a wind power pumping pipe is sleeved at the feeding end of the material transmission fan, one end of the wind power pumping pipe penetrates through the crushing and screening box and the adsorption cylinder and extends to the inside of the adsorption cylinder, a wind power conveying pipe is sleeved at the discharging end of the material transmission fan, and one end of the wind power conveying pipe penetrates through the crushing and screening box and the fixed crushing top cover and extends to the fixed crushing top cover and the movable crushing disc Between, the fixed surface of an absorption section of thick bamboo is connected with a plurality of and is the biography shake spring that the circumference distributes, the fixed surface of biography shake spring is connected with the induced air piece, the one end and the one-level of biography shake spring shine the net and the second grade shines the junction connection that the net.

(III) advantageous effects

(1) According to the invention, through arranging the uniform extrusion crushing mechanism, the extrusion of materials can be shared on each fixed crushing tooth and each movable crushing tooth by virtue of the special fixed crushing tooth and the special movable crushing tooth, the whole pressure on the materials is not required, the energy consumption is reduced while the motor conforms to the requirement of saving energy consumption, the occurrence of the condition of material hardening in the extrusion process can be avoided, the discharge space is large, the materials can not be accumulated, the processes of uniform blanking, material crushing and material discharging are completed through the fixed crushing tooth and the movable crushing tooth, and compared with the prior art, the energy consumption and the motor conform to each other are obviously reduced.

(2) According to the invention, by arranging the graded fertilizer screening mechanism, materials are continuously lifted and shaken on the drying net through circumferential and back-and-forth bouncing and shaking in the up-and-down direction, the materials are continuously moved and shaken, the drying net can be prevented from being blocked by the materials, the screening efficiency can be improved, larger particles can be transmitted back to a crushing structure through wind power to be crushed again, and the wind power can be added to shake the drying net up and down and promote the rapid flowing and crushing of the materials in the crushing structure.

(3) The invention can meet the energy consumption requirement of material screening while reducing the coincidence of motor crushing, shorten the working time of crushing and material screening, and can timely reflow and re-crush large-particle materials, thereby saving the working time from multiple aspects and greatly improving the working efficiency.

(4) According to the problems existing in the conventional fertilizer crushing and screening, the special mechanism which can reduce the motor coincidence and can complete the crushing and screening procedures under the condition of low energy consumption is designed, so that the problems that the uniform blanking extrusion and discharging of the fertilizer cannot be easily carried out by a common organic fertilizer crushing device, the motor coincidence is increased by additional equipment, the fertilizer crushing and screening processes are separately carried out, the fertilizer processing time is prolonged, and the processing efficiency is reduced are effectively solved.

Drawings

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

FIG. 2 is a sectional view of the crushing and screening box structure of the present invention;

FIG. 3 is a bottom view of the fixed shredder top cover structure of the present invention;

FIG. 4 is a top view of the construction of the movable shredder plate of the present invention;

FIG. 5 is a cross-sectional view of the fixed and movable grating teeth of the present invention;

FIG. 6 is a cross-sectional view of the inboard moving ring structure of the present invention;

FIG. 7 is a cross-sectional view of the outboard moving ring structure of the present invention;

FIG. 8 is a sectional view of the telescopic tube structure of the present invention.

Wherein, 1 smashes screening box, 2 supporting legs, 3 even extrusion crushing mechanism, 31 feeder hopper, 32 fixed crushing top cover, 33 activity crushing dish, 34 fixed crushing tooth, 35 activity crushing tooth, 36 motor, 37 pivot, 38 bracing piece, 39 feed inlets, 310 matching mouth, 311 upper end feeding area, 312 middle bending extrusion area, 313 bottom even sliding material area, 4 grading fertilizer screening mechanism, 41 inside movable ring, 42 outside movable ring, 43 first grade sunning net, 44 second grade sunning net, 45 adsorption cylinder, 46 material transmission fan, 47 inside annular groove, 48 extrusion block, 49 expansion link, 410 expansion pipe, 411 extrusion spring, 412 connecting rod, 413 outside annular groove, 414 locating lever, 415 elastic block, 416 screen material trembling spring, wind

power pumping pipe

417, 418 delivery pipe 419, vibration transmission trembling spring, 420 induced air piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-8, the embodiment of the invention provides an integrated organic fertilizer crushing and screening device based on feed back blocking prevention, which comprises a crushing and screening box 1 for crushing fertilizers and screening fertilizer particles, supporting legs 2 for supporting the fertilizer screening box, a uniform extruding and crushing mechanism 3 for crushing the fertilizers and a graded fertilizer screening mechanism 4 for screening the fertilizers, wherein the supporting legs 2 are fixedly connected to the bottom of the crushing and screening box 1, the extruding and crushing mechanism is arranged inside the crushing and screening box 1, and the graded fertilizer screening mechanism 4 is arranged inside the crushing and screening box 1.

The uniform extrusion crushing mechanism 3 comprises a feed hopper 31 for feeding, a fixed crushing top cover 32, a movable crushing disc 33, fixed crushing teeth 34, movable crushing teeth 35 and a motor 36, the motor 36 is fixedly arranged at the bottom of the crushing and screening box 1, an output shaft of the motor 36 is fixedly connected with a rotating shaft 37 through a coupler, one end of the rotating shaft 37 penetrates through the crushing and screening box 1 and extends into the crushing and screening box 1, the top end of the rotating shaft 37 is fixedly connected with the lower surface of the movable crushing disc 33, the surface of the feed hopper 31 is fixedly connected with the inner wall of the crushing and screening box 1, the bottom of the feed hopper 31 is fixedly connected with a support rod 38, the surface of the support rod 38 is fixedly connected with the upper surface of the fixed crushing top cover 32, a feed inlet 39 is arranged at the center of the feed hopper 31, a matching opening 310 is arranged on the surface of the fixed crushing top cover 32, and one end of the matching opening 310 is fixedly connected with one end of the feed inlet 39, the fixed crushing top cover 32 is positioned above the movable crushing disk 33, the surface of the fixed crushing top cover 32 and the surface of the movable crushing disk 33 are both in an umbrella shape, the fixed crushing top cover 32 and the movable crushing disk 33 are distributed in parallel, the lower surface of the fixed crushing top cover 32 is fixedly connected with a plurality of fixed crushing teeth 34, the upper surface of the movable crushing disk 33 is fixedly connected with a plurality of movable crushing teeth 35, the fixed crushing teeth 34 and the movable crushing teeth 35 are distributed in a staggered way, the sectional view of the fixed crushing teeth 34 is in a sawtooth shape, the sectional view of the movable crushing teeth 35 is in a sawtooth shape, the sectional view of the fixed crushing teeth 34 is in line symmetry with the left side and the right side, the two sectional views of the movable crushing teeth 35 are in line symmetry, the left side and the right side of the two side lines of the movable crushing teeth 35 are in asymmetry, an upper end feeding area 311 is arranged between the fixed crushing teeth 34 and the movable crushing teeth 35, the surfaces of the middle bending extrusion area 312 and the bottom uniform material sliding area 313, the fixed crushing teeth 34 and the movable crushing teeth 35 are all polished roughly.

The graded fertilizer screening mechanism 4 comprises an inner side movable ring 41, an outer side movable ring 42, a first-stage drying net 43, a second-stage drying net 44, an adsorption cylinder 45 and a material transmission fan 46, wherein an inner side annular groove 47 is formed in the inner wall of the inner side movable ring, an extrusion block 48 is fixedly connected to the inner wall of the inner side annular groove 47, a telescopic rod 49 is slidably connected to the inner wall of the inner side annular groove 47, the surface of a rotating shaft 37 is slidably connected with the inner wall of the inner side movable ring 41, a telescopic pipe 410 is fixedly connected to the surface of the rotating shaft 37, the inner wall of the telescopic pipe 410 is slidably connected with the surface of the telescopic rod 49, an extrusion spring 411 is fixedly connected to the inner wall of the telescopic pipe 410, one end of the extrusion spring 411 is fixedly connected with the surface of the telescopic rod 49, the surface of the telescopic pipe 410 is slidably connected with the inner wall of the inner side annular groove 47, the surface of the telescopic rod 49 is slidably connected with the surface of the extrusion block 48, and a connecting rod 412 is fixedly connected to the surface of the inner side movable ring 41, the surface of the connecting rod 412 is fixedly connected with an outer movable ring 42, the outer side surface of the outer movable ring 42 is provided with an outer annular groove 413, the inner wall of the outer annular groove 413 is connected with a plurality of positioning rods 414 in a sliding manner, the surfaces of the positioning rods 414 are fixedly connected with the inner wall of the crushing and screening box 1, an elastic block 415 is arranged between every two adjacent positioning rods 414, the surface of the elastic block 415 is fixedly connected with the inner wall of the outer annular groove 413, the surface of the elastic block 415 is fixedly connected with a screening material shaking spring 416, one end of the screening material shaking spring 416 is fixedly connected with the surface of the positioning rods 414, the inner wall of the outer movable ring is fixedly connected with a first-level airing net 43, the surface of the first-level airing net 43 is in a ring shape, the surface of the first-level airing net 43 is fixedly connected with a second-level airing net 44, the aperture of the first-level airing net 43 is smaller than the aperture of the second-level airing net 44, the inner wall of the crushing and screening box 1 is fixedly connected with an adsorption cylinder 45, the adsorption cylinder 45 is sleeved outside the rotating shaft 37, the adsorption cylinder 45 is positioned below the second-stage drying net 44, the first-stage drying net 43 and the second-stage drying net 44 are connected into a whole and are in a concave shape from the outer side to the inner side, the material transmission fan 46 is fixedly arranged on the surface of the crushing and screening box 1, the feeding end of the material transmission fan 46 is sleeved with a wind power pumping pipe 417, one end of the wind power pumping pipe 417 penetrates through the crushing and screening box 1 and the adsorption cylinder 45 and extends to the inside of the adsorption cylinder 45, the discharging end of the material transmission fan 46 is sleeved with a wind power delivery pipe 418, one end of the wind power delivery pipe 418 penetrates through the crushing and screening box 1 and the fixed crushing top cover 32 and extends to a position between the fixed crushing top cover 32 and the movable crushing disk 33, the surface of the adsorption cylinder 45 is fixedly connected with a plurality of vibration transmission vibration springs 419 which are distributed in the circumferential direction, and the surface of the vibration transmission vibration springs 419 is fixedly connected with an air induction sheet 420, one end of the vibration transfer trembler 419 is connected with the connection part of the first-stage drying net 43 and the second-stage drying net 44.

When in use, the power supply is connected, the motor 36 and the material transmission fan 46 are started, organic fertilizer enters between the fixed crushing top cover 32 and the movable crushing disk 33 through the feeding hole 39 and the matching hole 310, the motor 36 drives the rotating shaft 37 to rotate, the rotating shaft 37 drives the movable crushing disk 33 to rotate, the movable crushing teeth 35 drive the movable crushing teeth 35 to rotate, the movable crushing teeth 35 rotate around the fixed crushing teeth 34, the material is dispersed in the upper end feeding area 311 with a larger area and is rotationally and downwards extruded by the sharp side surfaces of the inclined movable crushing teeth 35 at the concave positions of the fixed crushing teeth 34, the material passes through the narrow middle bending extrusion area 312 under the extrusion of the movable crushing teeth 35 and the fixed crushing teeth 34, is finely enters the bottom uniform material sliding area 313 with a larger space, and then automatically rolls along the inclined surface of the movable crushing teeth 35 and the fixed crushing teeth 34 to the edge of the movable crushing disk 33 to fall onto the primary drying net 43 under the rubbing action of the movable crushing teeth 35 and the fixed crushing teeth 34 with rough surface, the rotating shaft 37 drives the telescopic pipe 410 and the telescopic rod 49 to rotate, when the telescopic rod 49 contacts the extrusion block 48, the extrusion block 48 drives the inner movable ring 41 to rotate, the inner movable ring 41 drives the outer movable ring 42 to rotate through the connecting rod 412, when the outer movable ring 42 drives the extrusion block 415 to rotate and contact the positioning rod 414, the outer movable ring 42 does not rotate any more, the telescopic rod 49 is contracted by extrusion force to enter the telescopic pipe 410, then the telescopic rod 49 passes through the extrusion block 48, the screening material shaking spring 416 can bounce to enable the outer movable ring 42 to swing circumferentially to drive the first-stage airing net 43 and the second-stage airing net 44 to swing, the material is screened by the first-stage airing net 43 and falls on the bottom of the crushing and screening box 1, large particles fall into the adsorption cylinder 45 through the second-stage airing net 44, the material in the adsorption cylinder 45 is sucked by the wind power generated by the material transmission fan 46 through the suction pipe 417, and the continuous wind power can attract the induced air sheet 420, the induced draft blade 420 drives each vibration transmission shaking spring 419 to shake, the vibration transmission shaking springs 419 drive the second-stage airing net 44 and the first-stage airing net 43 to shake up and down, large-particle materials are returned to the space between the fixed crushing top cover 32 and the movable crushing disk 33 through the wind conveying pipe 418 to be crushed again, and wind flows between the fixed crushing top cover 32 and the movable crushing disk 33 to promote the flowing of the materials.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a screening plant is smashed to integral type organic fertilizer based on feed back is prevented stifled, including the crushing screening case (1) that is used for carrying out broken fertilizer and screening fertilizer granule, be used for supporting leg (2) of fertilizer screening case, be used for carrying out broken fertilizer evenly extrude broken mechanism (3) and be used for screening graded fertilizer screening mechanism (4) of fertilizer, its characterized in that: smash bottom fixedly connected with supporting leg (2) of screening case (1), the crushing mechanism of extrusion sets up in the inside of smashing screening case (1), hierarchical fertilizer screening mechanism (4) set up in the inside of smashing screening case (1), hierarchical fertilizer screening mechanism (4) are including inboard loose ring (41), outside loose ring (42), one-level screen cloth (43), second grade screen cloth (44), adsorption cylinder (45) and material transmission fan (46), inboard annular (47) have been seted up to the inner wall of inboard loose ring, the inner wall fixedly connected with extrusion piece (48) of inboard annular (47), the inner wall sliding connection of inboard annular (47) has telescopic link (49), evenly extrude crushing mechanism (3) including feeder hopper (31), fixed crushing top cap (32), activity crushing dish (33) that are used for the feeding, Fixed crushing tooth (34), activity crushing tooth (35) and motor (36), motor (36) fixed mounting is in the bottom of smashing screening case (1), the output shaft of motor (36) passes through shaft coupling fixedly connected with pivot (37), the one end of pivot (37) runs through crushing screening case (1) and extends to the inside of smashing screening case (1), the top of pivot (37) and the lower fixed surface of activity crushing dish (33) are connected, the surface of feeder hopper (31) and the inner wall fixed connection who smashes screening case (1), the bottom fixed connection of feeder hopper (31) has bracing piece (38), the surface of bracing piece (38) and the fixed upper fixed surface fixed connection who smashes top cap (32), feed inlet (39) have been seted up at the center of feeder hopper (31), cooperation mouth (310) have been seted up on the fixed surface of smashing top cap (32), the one end of cooperation mouth (310) and the one end fixed connection of feed inlet (39), the surface of pivot (37) and the inner wall sliding connection of inboard activity ring (41), the fixed surface of pivot (37) is connected with flexible pipe (410), the inner wall of flexible pipe (410) and the surface sliding connection of telescopic link (49), the inner wall fixedly connected with extrusion spring (411) of flexible pipe (410), the one end of extrusion spring (411) and the fixed surface of telescopic link (49) are connected, the surface of flexible pipe (410) and the inner wall sliding connection of inboard annular (47), the surface of telescopic link (49) and the surface sliding connection of extrusion piece (48), the fixed surface of inboard activity ring (41) is connected with connecting rod (412), the fixed surface of connecting rod (412) is connected with outside activity ring (42), outside annular (413) has been seted up to the lateral surface of outside activity ring (42), the inner wall sliding connection of outside annular (413) has a plurality of locating lever (414), the surface of locating lever (414) and the inner wall fixed connection who smashes screening case (1), be provided with one bullet piece (415) between two adjacent locating levers (414), the surface of bullet piece (415) and the inner wall fixed connection of outside annular (413), the fixed surface of bullet piece (415) is connected with sieve material and trembles spring (416), the one end that sieve material trembled spring (416) is connected with the fixed surface of locating lever (414), the inner wall fixed connection of outside activity ring has one-level screen cloth (43), the surface of one-level screen cloth (43) is the annular form, the fixed surface of one-level screen cloth (43) is connected with second grade screen cloth (44), the aperture ratio second grade screen cloth (44) of one-level screen cloth (43) is little, the inner wall fixed connection who smashes screening case (1) has an adsorption cylinder (45), the outside at pivot (37) is established to absorption section of thick bamboo (45) cover, absorption section of thick bamboo (45) are located the below of second grade screen cloth (44), one-level screen cloth (43) and second grade screen cloth (44) connect into wholly and are sunken form by the outside inboard, material transmission fan (46) fixed mounting is on the surface of smashing screening case (1), the feed end of material transmission fan (46) has cup jointed wind-force material pumping pipe (417), the inside of smashing screening case (1) and absorption section of thick bamboo (45) and extending to absorption section of thick bamboo (45) is run through to the one end of wind-force material pumping pipe (417), the discharge end of material transmission fan (46) has cup jointed wind-force material conveying pipe (418), the one end of wind-force material conveying pipe (418) runs through smashes screening case (1) and fixed crushing top cap (32) and extends to fixed crushing top cap (32) and activity and smashes between dish (33), the surface of the adsorption cylinder (45) is fixedly connected with a plurality of vibration transmission shaking springs (419) which are distributed in the circumferential direction, one end of each vibration transmission shaking spring (419) is connected with the joint of the first-stage screen (43) and the second-stage screen (44), and the surface of each vibration transmission shaking spring (419) is fixedly connected with an air inducing sheet (420).

2. The integrated organic fertilizer crushing and screening device based on the blockage prevention of the returned materials as claimed in claim 1, is characterized in that: fixed top cap (32) of smashing is located the top of activity crushing dish (33), the fixed surface of smashing top cap (32) and the surface of activity crushing dish (33) all are the umbelliform, fixed crushing top cap (32) and activity crushing dish (33) parallel distribution, fixed crushing tooth (34) of the fixed surface fixedly connected with a plurality of crushing top cap (32), tooth (35) are smashed in the last fixed surface fixedly connected with a plurality of activity crushing dish (33), fixed crushing tooth (34) smash tooth (35) with the activity and distribute in a staggered way.

3. The integral type organic fertilizer crushing and screening device based on feed back is prevented stifled according to claim 2, characterized in that: the section view of the fixed crushing teeth (34) is in a sawtooth shape, the section view of the movable crushing teeth (35) is in a sawtooth shape, the left side edge and the right side edge of the section view of the fixed crushing teeth (34) are in line symmetry, the left side edge and the right side edge of the section view of the movable crushing teeth (35) are in asymmetry, an upper end feeding area (311), a middle bending and extruding area (312) and a bottom uniform material sliding area (313) are arranged between the fixed crushing teeth (34) and the movable crushing teeth (35), and the surfaces of the fixed crushing teeth (34) and the movable crushing teeth (35) are both polished roughly.