CN212573611U

CN212573611U - Straw picking and dedusting recycling machine

Info

Publication number: CN212573611U
Application number: CN202020910659.1U
Authority: CN
Inventors: 王贯
Original assignee: Siping Shuofeng Machinery Manufacturing Co ltd
Current assignee: Jilin Kaidi Agricultural Development Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-23
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a straw picking and dedusting recycling machine, which comprises a traction frame, a picker and a feeding bin, wherein the picker comprises a picking bin connected with the traction frame, a hammer cutter component, an auger component and a feeding fan; the auger assembly is positioned at the downstream of the hammer claw assembly and comprises an auger shaft, two auger blades and two groups of moving blades, wherein the two auger blades are symmetrically distributed along the axial center of the auger shaft; the two feeding fans are respectively positioned at the two axial ends of the auger shaft, the fan blades and the auger shaft are coaxially and oppositely arranged, and the air inlet is communicated with the picking bin; the feeding bin is provided with two air outlets which are connected with the feeding fan in a one-to-one correspondence manner. The problem of material loading hysteresis among the prior art has been solved to a certain extent.

Description

Straw picking and dedusting recycling machine

Technical Field

The utility model relates to a straw recycle technical field, more specifically say, relate to a dust removal recovery machine is picked up to straw.

Background

The recovered crop straws or grass straws can be reused as silage or fuel, and the method has good economic significance. At present, the straw is usually recovered by picking up the straws by a hammer claw, then crushing the straws by a screw blade, pushing the straws to one side and then blowing the straws to a storage bin by a fan. As the auger blades in the prior art rotate in the same direction, the straws are output to one side, all the straws are concentrated to the air inlet of the fan and then blown by the fan, so that the straws are easy to accumulate in front of the fan, the feeding is delayed, the fan and the auger are easy to block, and the crushing and dust removal effects on the straws are influenced.

Therefore, how to solve the problem of straw feeding delay in the prior art becomes a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust removal recovery machine is picked up to straw, the straw easily causes the problem that the material loading lags behind the influence normal use by single fan material loading among the certain degree solution prior art.

In order to achieve the purpose, the utility model provides a straw picking and dust removing reclaimer, including be used for with power traction equipment connected traction frame, be used for picking up the picker of straw and be used for carrying the feed bin, the picker include with the traction frame is connected pick up the storehouse, be located pick up the interior hammer claw subassembly and auger subassembly and the material loading fan of storehouse, the hammer claw subassembly include with pick up the storehouse wall rotatable coupling's of storehouse hammer claw axle and connect the hammer claw on the hammer claw axle, the hammer claw be provided with a plurality ofly, along the circumference distribution of hammer claw axle and along the axial arrangement; the auger assembly is positioned at the downstream of the hammer claw assembly and comprises an auger shaft, two auger blades and two sets of movable cutters, wherein the two auger blades are symmetrically distributed along the axial center of the auger shaft, the two auger blades are connected to the auger shaft and extend along the axial direction of the auger shaft, the rotating directions of the auger blades are opposite, the movable cutters are positioned at the downstream of the auger blades, each set of movable cutters are provided with a plurality of movable cutters, are distributed along the circumferential direction of the auger shaft and are arranged along the axial direction, and each movable cutter is in a sheet shape and has the same thickness direction as the axial direction of the auger shaft; the two feeding fans are respectively positioned at two axial ends of the auger shaft, fan blades of the feeding fans are coaxial with and opposite to the auger shaft, and air inlets of the feeding fans are communicated with the picking bin; the feeding bin is provided with two feeding fans which are in one-to-one correspondence, and the feeding bin is connected with the air outlet of each feeding fan and communicated with the air inlet of each feeding fan.

Preferably, the auger subassembly is still including connecting pick up the stationary knife on the roof in storehouse, the stationary knife is provided with a plurality ofly and all is located move the top of sword, just the stationary knife with move the sword and follow the axial staggered arrangement each other of auger axle, the stationary knife all be slice, thickness direction with the axial of auger axle is the same.

Preferably, the pickup still includes rotatory knife tackle spare, rotatory knife tackle spare includes the rotation axis and connects rotatory sword on the rotation axis outer wall, the rotation axis with the storehouse wall of picking up the storehouse rotationally connects and is connected with traction power transmission, rotatory sword is long slice form, the cross section of rotation axis is polygonized structure, rotatory sword is provided with a plurality ofly, follows the circumference of rotation axis distributes, rotatory knife tackle spare is located pick up storehouse mouth department, rotation axis and each rotatory sword is all followed pick up the length direction of storehouse mouth and extend and with pick up the last storehouse wall and the lower storehouse wall of storehouse mouth department and all have the interval.

Preferably, still including sieve move dust removal unit, sieve move dust removal unit includes a sieve section of thick bamboo, a sieve section of thick bamboo sets up and rotates in order to follow self axial with frame rotatable coupling along vertical direction, the last nozzle of a sieve section of thick bamboo with the export of last feed bin sets up relatively, it has a plurality of sieve meshes to distribute on the section of thick bamboo wall of a sieve section of thick bamboo.

Preferably, sieve move dust removal unit still include with the auger conveyor who pulls power transmission and connect, the lower nozzle of a sieve section of thick bamboo with auger conveyor's feed inlet sets up relatively, auger conveyor includes an auger section of thick bamboo, is located pivot and connection in the auger section of thick bamboo pivot epaxial auger blade, an auger section of thick bamboo is provided with feed inlet and discharge gate, the discharge gate is located the axial end of pivot.

Preferably, the screening and dedusting unit further comprises a feeding fan connected with the discharge end of the auger conveying device and a feeding bin connected with an air outlet of the feeding fan, and an air inlet of the feeding fan is communicated with a discharge hole of the auger barrel.

Preferably, a dust removal area is arranged on the wall of the picking bin, and a plurality of first dust removal holes which are arranged in a penetrating mode are distributed in the dust removal area and are located on the periphery of the packing auger assembly.

Preferably, go up the feed bin along vertical direction extension and include with the first vertical portion that the material loading fan is connected and with the first circular arc portion that first vertical portion is connected, the roof of first circular arc portion distributes and has a plurality of second dust removal holes that link up the setting.

Preferably, the feeding bin extends in the vertical direction and comprises a second vertical part connected with the feeding fan and a second arc part connected with the second vertical part, and a plurality of third dust removing holes which are arranged in a penetrating mode are distributed in the top wall of the second arc part.

Preferably, a plurality of fourth dust removal holes which are arranged in a penetrating way are distributed on the bin wall of the packing auger barrel.

In the technical scheme provided by the utility model, two auger blades with opposite rotation directions are arranged on an auger assembly in a picking bin of the straw picking and dust-removing reclaimer, the two auger blades are symmetrically distributed on two sides of the center of an auger shaft to carry out bidirectional separate conveying on straws, and two fans and two feeding bins are correspondingly arranged, so that the straws are conveyed and fed in two ways; and a set of movable cutters are arranged between the auger blades and the fan on each side of the auger shaft, and can effectively crush the straws, so that the crushing degree of the straws is improved, and then the straws are fed by the fan, the feeding smoothness of the fan is enhanced, and the problem that crushed materials are easily retained and blocked at the fan is also reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a straw picking and dust removing reclaimer in the embodiment of the utility model;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a front view of a rotary knife assembly in an embodiment of the present invention;

fig. 4 is a cross-sectional view of a rotary knife assembly in an embodiment of the present invention;

FIG. 5 is a schematic view of a rotary knife of different shapes in an embodiment of the present invention;

FIG. 6 is a schematic structural view of an auger assembly according to an embodiment of the present invention;

FIG. 7 is a side view of an embodiment of the auger assembly of the present invention;

fig. 8 is a schematic view of a structure of a wall of a pickup bin according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a sieving device according to an embodiment of the present invention.

In fig. 1-9:

1. a rotary knife assembly; 101. a rotating shaft; 102. a rotary knife; 2. a hammer jaw assembly; 3. a packing auger assembly; 301. a packing auger shaft; 302. a screw blade; 303. moving a knife; 304. fixing a cutter; 4. a feeding fan; 401. a fan blade; 402. an air outlet; 5. feeding a bin; 501. a second dust removal hole; 6. a screen cylinder; 7. a screw conveyor; 8. a feeding fan; 9. a feeding bin; 901. a third dust removal hole; 10. a pickup bin; 11. a first dust removal hole; 12. inserting holes; 13. a driven gear ring; 14. a winding wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of this embodiment is to provide a dust removal reclaimer is picked up to straw, solves among the prior art straw to a certain extent and easily causes the problem that the material loading lags and influences normal use by single fan material loading.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-9, the straw picking and dust removing recycling machine provided in this embodiment includes a traction frame connected to a power traction device, a pickup for picking up straw, and an upper bin 5 for feeding. The pickup device comprises a pickup bin 10 connected with the traction frame, a hammer claw assembly 2 and an auger assembly 3 which are positioned in the pickup bin 10, and a feeding fan 4, wherein the front end of the pickup bin 10 is provided with a pickup bin 10 port, the rear part of the pickup bin is provided with an outlet for outputting crushed straw materials, the feeding fan 4 is connected at the outlet for conveying the crushed straw materials to an upper bin 5, then the crushed straw materials fall to a recovery device through the upper bin 5, and the recovery device is used for concentrating and stockpiling or bundling the straw and the like.

In this embodiment, the hammer claw assembly 2 of the pickup device includes a hammer claw shaft rotatably connected to the bin wall of the pickup bin 10 and a plurality of hammer claws connected to the hammer claw shaft, and the plurality of hammer claws are distributed along the circumferential direction of the hammer claw shaft and arranged along the axial direction; the hammer claw can be a hammer claw in the prior art, is a small fork knife with three claw teeth, and is rotatably hinged on a hammer claw shaft through a pin shaft. The hammer claw shaft is in transmission connection with traction power. The auger assembly 3 is located at the downstream of the hammer claw assembly 2 and comprises an auger shaft 301 which is rotatably connected with the bin wall of the picking bin 10, two auger blades 302 which are symmetrically distributed along the axial center of the auger shaft 301 and two groups of moving blades 303, namely as shown in fig. 1 and 6, one auger blade 302 and one group of moving blades 303 are located at the left side of the auger shaft 301, and the other auger blade 302 and the other group of moving blades 303 are located at the right side of the auger shaft 301. The auger shaft 301 is in transmission connection with traction power and is coaxially arranged with the hammer claw shaft. The two auger blades 302 are connected to the auger shaft 301, the length direction of the two auger blades 302 is the same as the axial direction of the auger shaft 301, the rotating directions of the two auger blades 302 are opposite, and the straw is divided into two paths and is separately conveyed along two sides of the auger shaft 301. The movable blades 303 are located at the downstream of the auger blade 302, as shown in fig. 6, each group of movable blades 303 is provided with a plurality of blades which are distributed along the circumferential direction of the auger shaft 301 and are arranged along the axial direction, each movable blade 303 is sheet-shaped, the thickness direction of each movable blade 303 is the same as the axial direction of the auger shaft 301, when the straws are conveyed by the auger blade 302, the movable blades 303 rotate fast along with the auger shaft 301, the straws can be effectively crushed, the straws are conveyed in two ways, two groups of movable blades 303 are also provided, the straws of each group can be effectively crushed, and the situation that the straws are not completely crushed by one-way centralized conveying is avoided.

Meanwhile, as shown in fig. 1, the picking bin 10 has two outlets for outputting crushed straw materials, the outlets are respectively located at two axial ends of the auger shaft 301, two feeding fans 4 are also arranged, the air inlets are correspondingly connected to the outlets one by one, and the fan blades 401 are coaxially and oppositely arranged with the auger shaft 301, so that the feeding fans 4 are communicated with the picking bin 10. The feeding bin 5 is also provided with two air outlets 402 which are connected with the feeding fan 4 in a one-to-one correspondence manner and are communicated with the air inlet of the feeding fan 4. The straw is divided into two paths to be conveyed and crushed, the feeding fan 4 is positioned at the axial tail end of the auger shaft 301, the air inlet can quickly suck the crushed straw, and then the crushed straw is blown to be output through the feeding bin 5.

So set up, the dust removal recovery machine is picked up to straw that this embodiment provided divides into two tunnel conveyances at auger department to the straw that will pick up the collection to move sword 303 through addding and all effectively smash two tunnel straws, then export two tunnel straw crushed aggregates respectively, compare with prior art, not only effectively solve the straw and concentrate the transport, easily produce the hysteretic problem of material loading, and the crushing degree of straw improves, also makes the straw be convenient for more transport.

In order to improve the crushing degree of straws, enhance the quality of the straws as feed, and simultaneously improve the convenience of straw conveying, and thoroughly solve the problem of straw blockage, as shown in fig. 6 and 7, the auger assembly 3 further comprises a plurality of fixed knives 304 connected to the top wall of the pickup bin 10, the fixed knives 304 are arranged above the fixed knives 304, the fixed knives 304 and the movable knives 303 are staggered with each other along the axial direction of the auger shaft 301, and the fixed knives 304 are all in a sheet shape, and the thickness direction of the fixed knives is the same as the axial direction of the auger shaft 301. So set up, move sword 303 and rotate, the stationary knife 304 is fixed, and the two is crisscross each other, can carry out effectual crushing cutting to the straw, improves the crushing effect to the straw.

In order to facilitate replacement and maintain the crushing effect, the movable knife 303 is detachably connected with the auger shaft 301, and the fixed knife 304 is detachably connected with the top wall of the picking bin 10. Specifically, the auger shaft 301 may be provided with connecting grooves into which the moving blades 303 are inserted, and each connecting groove is internally connected with two moving blades 303 which are distributed at intervals along the axial direction of the auger shaft 301; the fixed knives 304 are connected to the connecting plate and arranged along the length direction of the connecting plate, as shown in fig. 8, the top wall of the picking bin 10 is provided with inserting holes 12 for the fixed knives 304 to extend into, and the inserting holes 12 correspond to the fixed knives 304 one by one and are staggered with the movable knives 303. During connection, the fixed knife 304 is inserted into the insertion hole 12, and the connecting plate is located above the outside of the picking bin 10 and abuts against the outer wall of the top of the picking bin 10. The fixed knife 304 is buckled and connected with the picking bin 10, so that the structure is simple, the processing and the realization are easy, the fast replacement is easy, and the disassembly process is omitted.

Furthermore, because among the prior art, the straw is picked up through the hammer claw usually to the pickup, nevertheless because the hammer claw is the small-size cutter that has three prong, the sharpness is not enough, picks up the effect general, and contact ground easily and pick up fragment debris such as subaerial earth and brickwork together, sneaks into a large amount of earth and brickwork debris in the messenger straw. In this embodiment, to solve this problem, a set of rotary knife assemblies 1 is added to the pickup, as shown in fig. 1 to 5, each rotary knife assembly 1 includes a rotary shaft 101 and a rotary knife 102 connected to an outer wall of the rotary shaft 101, the rotary shaft 101 extends along a length direction of an opening of the pickup bin 10, two axial ends are rotatably connected to two side bin walls of the pickup bin 10 through bearing seats, and the rotary shaft 101 is in transmission connection with traction power through a belt pulley and a transmission belt; rotatory sword 102 is long slice form, extends along the axial of rotation axis 101, and rotatory sword 102 is provided with a plurality ofly, along the circumference distribution of rotation axis 101, and whole rotatory sword subassembly 1 all has the interval with the last bulkhead and the lower bulkhead of picking up 10 mouths of storehouse department for the straw is sent into from here and picks up in the storehouse 10.

When the straw cutting machine works, the distance between the opening of the picking bin 10 and the ground can be adjusted firstly according to the ground condition, namely, the distance between the rotary knife 102 and the ground is adjusted and set, when the rotary shaft 101 rotates rapidly, the rotary knife 102 rotates to a position close to the ground, and the transverse straws of the opening of the whole picking bin 10 can be cut off rapidly; then the straw is picked up and stirred into the picking bin 10 in the quick rotating process under the action of the straw and the rotating shaft 101. Therefore, compared with the picking-up by using the hammer claw in the prior art, the rotary knife 102 firstly cuts off the straws quickly and then picks up the straws, the picking-up force is increased, most of the straws on the ground including the straws frozen on the ground can be picked up, and the picking-up force and the picking-up efficiency are improved; the cutting and picking are rapid, and the soil doping can be reduced to a certain degree; meanwhile, the straw is cut and crushed once. Moreover, when the cutters in the picking bin 10 rotate, the fan conveys the straws, the pressure in the picking bin 10 is reduced, and certain suction force is provided for the straws and the fragments of sundries such as the bricks and stones on the ground, as shown in fig. 2, the picking bin 10 is lengthened as a whole due to the addition of the group of rotary knife assemblies 1, the size of the opening of the picking bin 10 is reduced compared with that of the prior art, and the rotary knife assemblies 1 traverse the opening of the picking bin 10, so that the suction force on the fragments of the bricks and the like can be reduced as a whole; compared with the hammer claw in the prior art, the rotary knife 102 has a certain distance with the ground, and is different in structure, the rotary knife 102 is long and has obviously improved sharpness, the rotary knife can effectively remove the bricks and mud blocks on the ground, the picking amount of the broken block sundries such as the soil and the bricks and stones is reduced, the hard broken blocks picked up in a small amount can be broken, the damage of the broken blocks to the hammer claw and the auger is prevented, the sundries can be removed in the dust removal link, and the straw cleanliness is effectively improved. So set up, the pickup that this embodiment provided compares with the pickup that picks up through the hammer claw among the prior art, has add a set of rotary knife subassembly 1, picks up the straw cutting, not only picks up the dynamics and increases, picks up efficiency and improves, and reduced the volume of picking up, improve the cleanliness factor of smashing back straw to fragment debris such as earth and brickwork piece to increase once extra crushing process, improve the straw and retrieve off-the-shelf quality.

Specifically, the rotating shaft 101 may be in the shape of a hollow long tube and have a polygonal cross section, and as shown in fig. 4, the cross section of the rotating shaft 101 may be a quadrangle, a hexagon, or an octagon. The number of the polygonal sides is the same as that of the rotary knives 102 or can be a multiple relation, the rotary knives 102 are arranged corresponding to the polygonal sides and connected to the side pipe wall of the rotating shaft 101, the thickness direction of the rotary knives 102 is the same as that of the side pipe wall of the rotating shaft 101, and the cutting edges protrude out of the edges of the rotating shaft 101. When the rotary knife 102 rotates to a position close to the ground, the rotary knife can be basically parallel to the ground, so that the straw can be cut quickly and effectively, and the picking strength and picking efficiency are improved; and the square shaft can be made of a square pipe, so that the weight of the whole machine is reduced, and the connection between the rotary knife 102 and the square shaft is simple and convenient and is easy to produce quickly. The rotary knife 102 may have four specifications, such as a straight-toothed knife, a sawtooth knife, an arc-shaped toothed knife, or a helical toothed knife, according to the structure of the knife edge, as shown in fig. 5. Therefore, in the actual production, different collocation modes can be selected automatically according to natural conditions, and the working efficiency of the equipment is greatly improved.

Through repeated crushing, the straw can obtain a good crushing effect, impurities doped in the straw are hard substances, and part of the impurities are also effectively crushed to form powder or small-particle substances, so that the straw and the straw fragments are more conveniently separated. In order to enhance the dust removing effect, in this embodiment, as shown in fig. 8, a dust removing area is disposed on the wall of the picking bin 10, and the dust removing area is distributed with a plurality of first dust removing holes 11 penetrating therethrough and located around the periphery of the auger assembly 3. When the straw is conveyed and crushed at the auger assembly 3, the straw is in a rotating state, and soil and part of crushed sundries have lighter weight and can fly out through the first dust removal holes 11 on the wall of the pickup bin 10 at the periphery of the auger assembly 3 under the action of larger centrifugal force to be separated from straw fragments, so that a primary dust removal effect is achieved, and the cleanliness of the straw output from the straw pickup is improved.

As shown in fig. 1 and 2, the feeding bin 5 extends in the vertical direction, and includes a first vertical portion connected to the feeding fan 4 and a first arc portion connected to the first vertical portion, and a plurality of second dust removing holes 501 penetrating the first arc portion are distributed on the top wall of the first arc portion, so that the top wall of the first arc portion is integrally in the form of a screen. The end of the first arc part far away from the first vertical part is a discharge bin opening of the upper bin 5. When the crushed straw pieces are blown upwards by the feeding fan 4, the crushed straw pieces can contact with the top wall of the first arc part, soil and sundry powder or small particles formed after crushing fly out through the second dust removal hole 501, the straw pieces are blocked to continue to be blown out from the discharge bin opening of the first arc part, and secondary dust removal treatment is performed on the straw.

Go up the discharge end of feed bin 5 and be circular-arc for the discharge bin mouth can be towards the below, and the straw of being more convenient for drops.

For reinforcing dust removal effect, the straw is picked up and is removed dust and retrieve machine that this embodiment provided has still set up the sieve and has moved dust collector. As shown in fig. 1, 2 and 9, the screen-driven dust removing device comprises a screen drum 6 which is rotatably connected with the frame, and the screen drum 6 is arranged in the vertical direction and rotates along the central axis of the screen drum. A plurality of sieve pores are uniformly distributed on the wall of the sieve cylinder 6, and the cylinder wall can be enclosed by the sieve mesh. The upper opening of the screen drum 6 is positioned below the discharge opening of the upper bin 5, and the upper opening and the discharge opening are arranged oppositely to enable crushed aggregates in the upper bin 5 to fall into the rotating screen drum 6. The sieve cylinder 6 can generate certain wind power inside in the rotating process, the straw fragments can be folded towards the center of the sieve cylinder 6 by changing the motion track of the straw fragments due to the small density of the straw fragments, and meanwhile, the friction force between the straw fragments and the cylinder wall is relatively small, so that the straw feed can quickly and freely fall down to enter the auger conveying device 7 under the action of gravity. And debris such as earth, masonry, because its self density is great, can follow self movement track after 5 blowout from last feed bin, erupt the section of thick bamboo wall and then see through the sieve mesh and be sieved out. Therefore, the straw feed and other impurities are effectively separated through the sieving unit, the third dust removal treatment is realized, and harmful substances which are not beneficial to the growth of livestock in the straw feed are removed.

The rotation of the screen drum 6 can be realized by the following structure: the frame of the recovery machine is provided with rotary power such as a motor or a motor, a power output shaft of the rotary power is driven by a driving gear and a driven gear ring 13, a fixed threaded hole is formed in the driven gear ring 13 along the circumferential direction, and the screen cylinder 6 is fixed on the large gear ring through a bolt and is coaxially arranged with the large gear ring and the driven gear ring. In the working process, the screen drum 6 is driven to rotate by the large gear ring. The driven gear ring 13 is coaxially provided with a plurality of winding wheels 14 in the ring direction, and the plurality of winding wheels 14 are distributed along the circumferential direction of the gear ring. The winding wheel 14 is rotatably connected with the frame through a connecting shaft, the outer wheel wall of the winding wheel 14 is abutted against the inner ring wall of the gear ring, and then each winding wheel 14 can fix the driven gear ring 13 and enable the driven gear ring 13 to rotate under the driving of the driving gear.

The sieving dust collector also comprises a packing auger conveying device 7 which is in transmission connection with the traction power. The auger conveying device 7 comprises an auger cylinder, a rotating shaft positioned in the auger cylinder and auger blades connected to the rotating shaft, the rotating shaft is in transmission connection with traction power, and the transmission structure can be connected to the side wall of the picking bin 10. The auger barrel is provided with a feed inlet and a discharge outlet, the feed inlet is positioned below the lower opening of the screen barrel 6 and is arranged oppositely, and the discharge outlet is positioned at the axial tail end of the rotating shaft. The bin wall of the packing auger barrel is distributed with a plurality of fourth dust removing holes which are arranged in a run-through way, so that the bin wall of the packing auger barrel is also in a net shape. The straw fragments are pushed to the discharge port by the auger blade in an axial rotation mode, and in the rotation process, small-particle sundries and soil in the crushed materials fly out through the fourth dust removal holes surrounding the periphery of the rotating shaft, so that the fourth dust removal treatment of the straw crushed materials is realized.

The sieving dust collector also comprises a feeding fan 8 and a feeding bin 9, wherein the air inlet of the feeding fan 8 is communicated with the discharge hole of the auger conveying device 7, one end of the feeding bin 9 is connected with the air outlet of the feeding fan 8, and the discharge bin opening at the other end faces the recovery device. The feeding bin 9 extends along the vertical direction and comprises a second vertical part connected with the feeding fan 8 and a second arc part connected with the second vertical part, and a plurality of third dust removing holes 901 penetrating the feeding bin are distributed on the top wall of the second arc part. When the feeding fan 8 blows the crushed straw upward, the crushed straw is in contact with the top wall of the second arc portion, soil and crushed sundry powder or small particles fly out through the third dust removal hole 901, the straw is blocked from continuously being blown to fall out from the discharge bin opening of the second arc portion, and the straw is subjected to five times of dust removal treatment.

The discharge end of the feeding bin 9 is arc-shaped, so that the discharge bin opening can face downwards to align the recovery device, and the straw can fall off more conveniently. The recycling device may be a whole top-opened bin for collecting and collecting straws, or a compressing and bundling part on a straw recycling apparatus in the prior art for compressing and bundling crushed straws to output the straws in a bundled form.

By combining the structural content in the above embodiments, the straw picking and dust removing reclaimer described herein adds the rotary cutter assembly 1 to pick up and cut and crush the straw for the first time, performs the secondary crushing through the hammer claw, then divides the straw into two paths to be conveyed, and adds the fixed cutter 304 and the movable cutter 303 to the auger in the picking bin 10 to crush the straw for the third time, the crushed straw is also conveyed in two paths, and the dust removing holes are arranged on the region of the picking bin 10 corresponding to the auger assembly 3, the arc top wall of the feeding bin 5, the arc top wall of the feeding bin 9 and the bin wall of the auger conveying device 7, and the screen drum 6 is added to remove dust, compared with the similar devices in the prior art, not only the straw picking strength and picking efficiency can be improved, the picking amount of the sundries can be reduced, but also the straw is divided into two paths to be conveyed, the effect of improving the crushing degree is combined, the feeding pressure of the straw can be greatly reduced, the straw blockage can be effectively prevented, the straw can be subjected to three-time crushing and five-time dust removal treatment operation integrally, the crushing quality and the cleanliness of the straw are effectively improved, the straw is recycled and then used as a feed, and the straw blockage prevention device has higher quality and economic benefit.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A straw picking and dedusting recycling machine is characterized by comprising a traction frame connected with power traction equipment, a picker for picking up straws and an upper storage bin (5) for conveying,

the picker comprises a picking bin (10) connected with the traction frame, a hammer claw assembly (2) and a packing auger assembly (3) which are positioned in the picking bin (10), and a feeding fan (4), wherein the hammer claw assembly (2) comprises a hammer claw shaft which is rotatably connected with the bin wall of the picking bin (10) and hammer claws which are connected to the hammer claw shaft, and a plurality of hammer claws are arranged along the circumferential direction of the hammer claw shaft and are arranged along the axial direction;

auger subassembly (3) are located the low reaches of hammer claw subassembly (2), including auger shaft (301), follow two auger blades (302) and two sets of sword (303) of moving of axial center symmetric distribution of auger shaft (301), two auger blade (302) all connect on auger shaft (301), follow the axial extension of auger shaft (301), two the direction of rotation of auger blade (302) is opposite, move sword (303) and be located the low reaches of auger blade (302), every group move sword (303) all be provided with a plurality ofly, follow the circumference of auger shaft (301) distributes and arranges along the axial, each move sword (303) all be slice, thickness direction with the axial of auger shaft (301) is the same;

the two feeding fans (4) are respectively positioned at two axial ends of the auger shaft (301), fan blades (401) of the feeding fans (4) are coaxial with the auger shaft (301) and are oppositely arranged, and an air inlet of the feeding fan (4) is communicated with the pickup bin (10);

go up feed bin (5) be provided with two, with material loading fan (4) one-to-one, go up feed bin (5) and connect air outlet (402) of material loading fan (4) and with the air intake intercommunication of material loading fan (4).

2. The straw picking and dedusting recycling machine according to claim 1, wherein the auger assembly (3) further comprises a fixed knife (304) connected to the top wall of the picking bin (10), the fixed knife (304) is provided with a plurality of fixed knives and all located above the movable knife (303), the fixed knives (304) and the movable knife (303) are arranged along the axial direction of the auger shaft (301) in a staggered manner, and the fixed knives (304) are all in a sheet shape, and the thickness direction is the same as the axial direction of the auger shaft (301).

3. The straw picking dust-removing recycling machine as claimed in claim 1, wherein the picker further comprises a rotary knife assembly (1), the rotary knife assembly (1) comprises a rotary shaft (101) and a rotary knife (102) connected to the outer wall of the rotary shaft (101), the rotating shaft (101) is rotatably connected with the bin wall of the picking bin (10) and is in transmission connection with traction power, the rotary knife (102) is in a long sheet shape, the cross section of the rotary shaft (101) is in a polygonal structure, the rotary knife (102) is provided with a plurality of blades distributed along the circumferential direction of the rotary shaft (101), rotatory sword subassembly (1) is located pick up storehouse (10) mouth department, rotation axis (101) and each rotatory sword (102) all follow pick up the length direction extension of storehouse (10) mouth and with pick up the last bulkhead and the lower bulkhead of storehouse (10) mouth department and all have the interval.

4. The straw picking, dedusting and recycling machine according to claim 1, further comprising a sieving and dedusting unit, wherein the sieving and dedusting unit comprises a sieve drum (6), the sieve drum (6) is arranged in a vertical direction and is rotatably connected with the frame so as to rotate along the axial direction of the sieve drum, an upper drum opening of the sieve drum (6) is arranged opposite to an outlet of the upper bin (5), and a plurality of sieve holes are distributed on the drum wall of the sieve drum (6).

5. The straw picking and dedusting recycling machine according to claim 4, wherein the sieving and dedusting unit further comprises an auger conveying device (7) connected with the traction power transmission, the lower opening of the sieve cylinder (6) is arranged opposite to the feed inlet of the auger conveying device (7), the auger conveying device (7) comprises an auger cylinder, a rotating shaft arranged in the auger cylinder and an auger blade connected to the rotating shaft, the auger cylinder is provided with a feed inlet and a discharge outlet, and the discharge outlet is arranged at the axial end of the rotating shaft.

6. The straw picking and dedusting recycling machine according to claim 5, wherein the sieving and dedusting unit further comprises a feeding fan (8) connected with the discharge end of the auger conveying device (7) and a feeding bin (9) connected with the air outlet of the feeding fan (8), and the air inlet of the feeding fan (8) is communicated with the discharge hole of the auger barrel.

7. The straw picking and dedusting recycling machine according to claim 1, wherein a dedusting area is arranged on the wall of the picking bin (10), and a plurality of first dedusting holes (11) which are arranged in a penetrating manner are distributed in the dedusting area and are positioned on the periphery of the auger assembly (3).

8. The straw picking and dedusting recycling machine according to claim 1, wherein the feeding bin (5) extends in a vertical direction and comprises a first vertical portion connected with the feeding fan (4) and a first arc portion connected with the first vertical portion, and a plurality of second dedusting holes (501) are distributed on the top wall of the first arc portion and are arranged in a penetrating manner.

9. The straw picking and dedusting recycling machine according to claim 6, wherein the feeding bin (9) extends in a vertical direction and comprises a second vertical portion connected with the feeding fan (8) and a second arc portion connected with the second vertical portion, and a plurality of third dedusting holes (901) are distributed on the top wall of the second arc portion and are arranged in a penetrating manner.

10. The straw picking and dedusting recycling machine as claimed in claim 5, wherein a plurality of fourth dedusting holes are distributed on the bin wall of the packing auger cylinder and are arranged in a penetrating manner.