CN111527893A

CN111527893A - Straw pickup and straw pickup dust removal recovery machine

Info

Publication number: CN111527893A
Application number: CN202010454595.3A
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: 2020-08-14

Abstract

The invention discloses a straw pickup and a straw pickup dust removal recycling machine, wherein the straw pickup comprises a traction frame, a dust removal device and a dust removal device, wherein the traction frame is used for being connected with power traction equipment; the picking bin is connected to the traction frame, and a picking bin opening is formed in the front end of the picking bin; the rotary knife assembly comprises a rotary shaft and rotary knives connected to the outer wall of the rotary shaft, the rotary shaft is rotatably connected with the bin wall of the picking bin and is in transmission connection with traction power, the rotary knives are in a long sheet shape, the rotary knives are distributed along the circumferential direction of the rotary shaft, the rotary knife assembly is positioned at the position of the picking bin opening, the rotary shaft and each rotary knife extend along the length direction of the picking bin opening and have a distance with the upper bin wall and the lower bin wall of the picking bin opening; the hammer claw assembly is positioned in the picking bin and positioned at the downstream of the rotary cutter assembly; the auger assembly is positioned in the picking bin and positioned at the downstream of the hammer claw assembly; and an air inlet of the feeding fan is communicated with the picking bin, and an air outlet of the feeding fan forms a discharge hole of the picking device. The pick-up force is increased and the impurity incorporation is reduced.

Description

Straw pickup and straw pickup dust removal recovery machine

Technical Field

The invention relates to the technical field of straw treatment, in particular to a straw pickup and a straw pickup dust removal recycling machine.

Background

The straw recycling is an important work in crop production areas in China. The existing straw recycling equipment comprises a straw bundling machine, a straw recycling machine and the like. The equipment comprises a pickup device, wherein the pickup assembly of the pickup device collects and picks up the straw from the ground, and then the straw is conveyed and crushed by an auger, and crushed straw particles are output from a feeding bin by a fan. The straw particles or straw fragments output by the pickup device are bundled by different recovery components or are taken as feed for recovery after dust removal. Therefore, the crushing quality of the straws and the cleanliness of the crushed straws are determined by the operation of the structure of the pickup.

Among the prior art, straw pickup's the subassembly of picking up is mainly for installing the epaxial hammer claw of rotatory, and the hammer claw is for having the small-size single cutter of three sword tooth, and a plurality of hammer claws distribute on hammer claw axle, presses close to or contacts ground at rotatory in-process and carries out the straw and pick up. Due to the structure, the hammer claw is not sharp enough, is slow to cut when being picked up and has a common crushing effect on the straws, and often contacts the ground, so that a large amount of soil is mixed into the straws when being harvested, and the ground masonry tile blocks and other objects are easily picked up, so that the crushing effect of the crushed straws is not only to be improved, but also a large amount of soil, other masonry tile blocks and other impurities which can not be digested by livestock are mixed, the quality of the straws serving as the feed is influenced, and the health and the growth speed of the livestock eating the feed are inhibited; meanwhile, when the weather is cold, the existing pickup cannot effectively pick up the straws frozen on the ground, so that the working efficiency of the equipment is greatly reduced.

In view of the above, there is a need to improve the structure of the pickup device, so as to increase the pickup rate and the crushing rate of the straw and reduce the amount of impurities such as soil, masonry and tile mixed in the straw.

Disclosure of Invention

The invention aims to provide a straw pickup device, which is characterized in that a rotary knife assembly is additionally arranged at the upstream of a hammer claw to pick up and cut straws, the rotary knife is in a long sheet shape, penetrates through the mouth of a pickup bin, is sharp enough, has a certain distance with the ground, can effectively cut and pick up straws, can prevent sundries such as masonry, mud blocks and the like from being mixed, and improves the purity of straw feed. The invention also aims to provide the straw picking and dedusting recycling machine comprising the straw picker.

In order to achieve the purpose, the invention provides a straw picker, which comprises a traction frame, a first driving device and a second driving device, wherein the traction frame is used for being connected with power traction equipment; the picking bin is connected to the traction frame, and a picking bin opening is formed in the front end of the picking bin; the rotary knife assembly comprises a rotary shaft and rotary knives connected to the outer wall of the rotary shaft, the rotary shaft is rotatably connected with the bin wall of the picking bin and is in transmission connection with traction power, the rotary knives are in a long sheet shape, the rotary knives are distributed along the circumferential direction of the rotary shaft, the rotary knife assembly is positioned at the position of the picking bin opening, and the rotary shaft and the rotary knives extend along the length direction of the picking bin opening and have intervals with the upper bin wall and the lower bin wall of the picking bin opening; the hammer claw assembly is positioned in the picking bin, positioned at the downstream of the rotary cutter assembly and comprises a plurality of hammer claw shafts which are rotatably connected with the bin wall of the picking bin and are in transmission connection with the traction power and hammer claws connected to the hammer claw shafts, and the hammer claws are distributed along the circumferential direction of the hammer claw shafts and are arranged along the axial direction; the auger assembly is positioned in the picking bin, positioned at the downstream of the hammer claw assembly and comprises an auger shaft which is rotatably connected with the bin wall of the picking bin and is in transmission connection with the traction power and an auger blade connected on the auger shaft; the feeding fan is located at the axial tail end of the auger shaft, an air inlet of the feeding fan is communicated with the pickup bin, and an air outlet of the feeding fan forms a discharge port of the pickup.

Preferably, the rotating shaft is in a shape of a hollow long tube, the cross section of the rotating shaft is polygonal, the rotating knife is arranged on the side tube wall of the rotating shaft, and the thickness direction of the rotating knife is the same as that of the side tube wall of the rotating shaft; the cutting edge of the rotary knife is in any one of an arc tooth structure, a straight tooth structure, a helical tooth structure or a sawtooth structure along the length direction.

Preferably, the auger subassembly is still including being located the auger blade with move the sword between the material loading fan, move the sword and connect the epaxial and be provided with of auger is followed the multiunit of the axial distribution of auger axle, every group move the sword and all include the edge a plurality of the circumferential distribution of auger axle.

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 the top of stationary knife, each the stationary knife all is slice, thickness direction with the axial of auger shaft is the same, just the stationary knife with move the sword and follow the axial staggered arrangement each other of auger shaft.

Preferably, move the sword with auger shaft detachably connects, the stationary knife with pick up the roof detachably connection in storehouse.

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, the auger shaft is provided with connecting grooves for the movable blades to be inserted into, two movable blades are connected in each connecting groove and are distributed at intervals along the axial direction of the auger shaft, the movable blades are flaky, and the thickness direction of the blade bodies is the same as the axial direction of the auger shaft; each fixed knife is connected on the connecting plate and arranged along the length direction of the connecting plate, and the top wall of the picking bin is provided with an inserting hole for the fixed knife to extend into, and the inserting holes correspond to the fixed knives one by one.

The invention also provides a straw picking and dust removing recycling machine which comprises the straw picker, a rack, a feeding bin connected with the air outlet of the feeding fan and a recycling device for recycling crushed straws.

Preferably, still including being located go up the sieve of the discharge end of feed bin moves dust collector, sieve move dust collector include with frame rotatable coupling's a sieve section of thick bamboo, with draw power transmission connection's auger conveyor, with pay-off fan and the feed bin that auger conveyor's discharge gate is connected, the one end of feed bin with the air outlet of pay-off fan is connected, the discharge bin mouth orientation of the other end recovery unit, a sieve section of thick bamboo sets up and rotates along its axial along vertical direction, the last nozzle of a sieve section of thick bamboo with the export of going up the feed bin sets up relatively, lower nozzle with auger conveyor's feed inlet 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, the feeding bin extends in the vertical direction and comprises a first vertical part connected with the feeding fan and a first arc part connected with the first vertical part, and a plurality of second dust removing holes which are arranged in a penetrating manner are distributed in the top wall of the first arc part; the feeding bin extends along 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 manner are distributed in the top wall of the second arc part; the auger conveying device comprises an auger barrel, a rotating shaft and auger blades, wherein the rotating shaft is arranged in the auger barrel, the auger blades are connected to the rotating shaft, a discharge port of the auger barrel is arranged at the axial tail end of the rotating shaft, a plurality of fourth dust removing holes which are communicated are distributed on the wall of the auger barrel, the fourth dust removing holes are encircled at the periphery of the rotating shaft, and the rotating shaft is connected with the traction power transmission.

According to the technical scheme, the straw pickup device is additionally provided with the rotary cutter assembly at the picking port of the picking bin, the rotary cutter is in a long strip shape and extends along the axial direction of the rotary shaft, the rotary shaft extends along the length direction of the picking port and transversely penetrates through the picking port, and a certain distance is reserved between the whole rotary cutter assembly and the upper bin wall and the lower bin wall of the picking port. During operation, rotatory sword rotates to be close to ground department, can sharp cutting straw fast, then whole rotatory knife tackle spare rotate fast, pick up the straw that cuts down, stir the straw into pick up the storehouse through and the space between the storehouse wall in.

Due to the arrangement, the rotary knife is used for picking up and cutting and crushing the straws for the first time, and due to the structural characteristics of the rotary knife, compared with the picking up by using the hammer claw in the prior art, the picking up force is increased, the picking up efficiency is improved, and the cutting and crushing effects are increased; meanwhile, the rotary knife has a certain distance with the ground, so that the straws are picked up and stirred after being cut off rapidly, and in the harvesting process, the straws can effectively block and screen bricks, mud blocks and the like on the ground, so that the picking amount of sundries such as mud bricks and stones is reduced, and the quality of the straw feed is greatly improved; meanwhile, the hammer claw and the auger assembly can be protected to a certain extent, and damage to the auger assembly and the hammer claw such as bricks and stones is avoided.

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 the drawings without creative efforts.

FIG. 1 is a schematic structural view of a straw picker in an embodiment of the invention;

FIG. 2 is an elevation view of a rotary knife assembly in an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a rotary knife assembly in an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the cutting edge of the rotary knife in the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an auger assembly in an embodiment of the invention;

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

FIG. 7 is a schematic view of a wall structure of a pickup bin according to an embodiment of the present invention;

FIG. 8 is a schematic view of the overall structure of the straw picking and dust removing reclaimer in the embodiment of the present invention;

FIG. 9 is a side view of FIG. 8;

fig. 10 is a schematic structural view of a sieving device in an embodiment of the present invention.

In fig. 1-10:

1. a rotary knife assembly; 101. a rotating shaft; 102. a rotary knife; 2. a hammer jaw assembly; 201. a hammer claw; 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 more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

An object of this embodiment is to provide a straw pickup, it adds the rotatory knife tackle spare at hammer claw upper reaches and picks up and cut the straw, and rotatory sword is long slice form, traverses at the storehouse mouth of picking up, and enough sharpness and ground have a certain distance, can effectively cut and pick up the straw, and can block debris such as masonry, mud piece and mix, improve the purity of straw fodder. The purpose of the specific embodiment is also to provide a straw picking and dedusting recycling machine comprising the straw picker.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the invention recited in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

Referring to fig. 1-10, the straw picker provided in this embodiment includes a traction frame for connecting with a power traction device, a picking bin 10 connected to the traction frame, a rotary knife assembly 1, a hammer claw assembly 2, and a packing auger assembly 3 located in the picking bin 10, and further includes a feeding fan 4 for conveying crushed straw out of the picking bin 10. As shown in figure 1, the front end of the picking bin 10 is provided with a picking bin opening, and the rotary knife assembly 1 is connected to the picking bin opening to cut and pick up straws. As shown in fig. 1, 2 and 3, the 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 the picking up bin opening, two axial ends are rotatably connected with two side bin walls of the picking up 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 bulkhead department for the straw is sent into from here and picks up in the storehouse 10.

When the machine works, the distance between the picking bin 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 straws on the whole picking bin opening in the transverse direction 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 201 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.

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. 3, 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. As shown in fig. 4, the rotary knife 102 may have four specifications, specifically, a straight-toothed knife, a serrated knife, an arc-shaped toothed knife, or a helical toothed knife, depending on the structure of the cutting edge. 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.

When the cutters in the picking bin 10 rotate, the fan conveys straws, the pressure in the picking bin 10 is reduced, and certain suction force is provided for the straws and fragments of sundries such as bricks and stones on the ground, as shown in fig. 1, the picking bin 10 is lengthened as a whole due to the addition of the group of rotary knife assemblies 1, the size of a picking bin opening is reduced compared with that in the prior art, and the rotary knife assemblies 1 penetrate through the picking bin opening, so that the suction force on the sundries such as the fragments of bricks and stones can be reduced as a whole; compared with the hammer claw 201 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 in a long sheet shape, the sharpness is obviously improved, the effective removing treatment can be performed on the bricks and stones, mud blocks and the like on the ground, the picking amount of the broken pieces such as the mud and the bricks and stones is reduced, the small amount of picked hard broken pieces can be broken, the damage of the broken pieces to the hammer claw 201 and the auger is prevented, the foreign materials can be removed in the dust removal link, and the cleanliness of the straw is effectively improved.

The hammer claw assembly 2 is located at the downstream of the rotary knife assembly 1 and comprises a hammer claw 201 shaft which is rotatably connected with the bin wall of the picking bin 10 and is in transmission connection with traction power and hammer claws 201 connected to the hammer claw 201 shaft, and the hammer claws 201 are arranged in a plurality and distributed along the circumferential direction of the hammer claw 201 shaft and are arranged along the axial direction. As shown in fig. 8, the hammer claw 201 may be a hammer claw 201 in the prior art, which is a small-sized fork knife with three claw teeth, and is rotatably hinged on the shaft of the hammer claw 201 through a pin shaft. The packing auger assembly 3 is positioned at the downstream of the hammer claw assembly 2 and comprises a packing auger shaft 301 which is rotatably connected with the bin wall of the picking bin 10 and is in transmission connection with traction power and a packing auger blade 302 connected on the packing auger shaft 301. Along the feeding direction, the rotating shaft 101, the hammer claw 201 shaft and the auger shaft 301 are sequentially arranged, and the axial directions of the rotating shaft 101, the hammer claw 201 shaft and the auger shaft 301 are parallel. The straws are conveyed to the hammer claw component 2 after being cut and crushed by the rotary knife 102, are subjected to secondary crushing by the hammer claw 201, and then are conveyed to the auger component 3. As shown in fig. 1, 6 and 8, the air inlet of the feeding fan 4 is communicated with the picking bin 10, the feeding fan 4 is located at the axial tail end of the auger shaft 301, and the fan blades 401 are arranged opposite to the auger shaft 301 in the same axial direction. When the crushed straws are conveyed to the tail end of the auger shaft 301 by the auger blades 302, the straws are blown out of the pickup bin 10 through the air outlet 402 of the feeding fan 4 which reaches the interior of the fan under the suction action of the feeding fan 4. The outlet 402 of the feeding fan 4 forms the outlet of the pickup.

So set up, the straw pickup that this embodiment provided compares with the pickup that picks up through hammer claw 201 among the prior art, has add a set of rotary knife subassembly 1, and to the straw cutting pick-up, not only pick up the dynamics and increase, pick up efficiency and improve, and reduced the volume of picking up, improve the cleanliness factor of smashing the back straw to fragment debris such as earth and brickwork to increase once extra crushing process, improve the straw and retrieve off-the-shelf quality.

The straw is recycled as feed, and the feed quality is related to the crushing degree of the straw. In this embodiment, as shown in fig. 5 and 6, the auger assembly 3 further includes a moving blade 303 located between the auger blade 302 and the feeding fan 4, the moving blade 303 is connected to the auger shaft 301 and is provided with a plurality of groups distributed along the axial direction of the auger shaft 301, and each group of moving blades 303 includes a plurality of groups distributed along the circumferential direction of the auger shaft 301. The movable knife 303 is sheet-shaped, and the thickness direction of the movable knife is the same as the axial direction of the auger shaft 301. The movable knife 303 rotates together with the auger shaft 301, and the knife edge can cut and crush the straws, so that the third crushing treatment of the straws is realized.

Further, the auger assembly 3 further comprises a plurality of fixed knives 304 connected to the top wall of the picking bin 10, the fixed knives 304 are arranged above the fixed knives 304, and the fixed knives 304 and the movable knives 303 are staggered with each other along the axial direction of the auger shaft 301. The fixed knife 304 is also sheet-shaped, and the thickness direction 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 of crushing treatment for the third time.

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, as shown in fig. 5, the auger shaft 301 may be provided with connecting grooves into which the moving blades 303 are inserted, and each connecting groove is 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. 5, 6 and 7, 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.

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. 7, 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 at the auger assembly 3 and is crushed for three times, 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 the primary dust removal effect is achieved, and the cleanliness of the straw output from the straw pickup is improved.

As shown in fig. 8-10, the present embodiment further provides a straw picking and dust removing recycling machine, which comprises the straw picker, a frame, a feeding bin 5 connected to the air outlet 402 of the feeding fan 4, and a recycling device for recycling the crushed straw. According to the arrangement, the straw picking and dedusting recycling machine integrates picking, crushing, dedusting and recycling, and compared with similar equipment in the prior art, the straw picking and dedusting recycling machine has the advantages that a rotary knife 102 is used for cutting and picking, the picking strength is enhanced, the picking effect is improved, and the picking amount of sundries is reduced; and the one-time crushing effect is added, the crushing effect is better, the one-time dedusting effect can be added, and the cleanliness of the crushed straw is obviously improved. The derivation of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the straw pickup, and the description is omitted.

One end of an upper bin 5 of the straw picking and dedusting recycling machine is connected with an air outlet 402 of an upper fan 4, and a bin opening at the other end faces a feed inlet of a sieving and dedusting device. As shown in fig. 1 and 9, 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. 8-10, the screen-driven dust removing device comprises a screen drum 6 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 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.

As shown in fig. 10, 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. And a plurality of winding wheels are arranged in the ring of the driven gear ring 13 in the same axial direction and are distributed along the circumferential direction of the gear ring. The winding wheel is rotatably connected with the frame through a connecting shaft, the outer wheel wall of the winding wheel is abutted against the inner ring wall of the gear ring, and the driven gear ring 13 can be fixed by each winding wheel and driven by the driving gear to rotate by the driven gear ring 13.

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 auger barrel is distributed with a plurality of fourth dust removing holes which are arranged in a penetrating way, so that the bin wall of the auger barrel is also in a whole sieve shape, and the structure is similar to the distribution structure of the first dust removing holes 11 on the bin wall of the picking bin 10 shown in the figure 7. 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.

As shown in fig. 9 and 10, the sieving dust-removing device further comprises a feeding fan 8 and a feeding bin 9, an air inlet of the feeding fan 8 is communicated with a discharge port of the auger conveying device 7, one end of the feeding bin 9 is connected with an air outlet of the feeding fan 8, and a discharge bin port 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.

In combination with the structure content in the above embodiments, the straw picking and dust removing reclaimer described herein is additionally provided with the rotary knife assembly 1 for picking up and first cutting and crushing the straw, the fixed knife 304 and the movable knife 303 are added on the auger in the picking bin 10 for third crushing the straw, dust removing holes are arranged on the area of the picking bin 10 corresponding to the auger assembly 3, the arc top wall of the upper bin 5, the arc top wall of the feeding bin 9 and the bin wall of the auger conveying device 7, a screen cylinder 6 is additionally arranged for removing dust, compared with the similar equipment in the prior art, not only can improve the straw picking strength and picking efficiency and reduce the picking amount of sundries, and the whole straw can be subjected to three-time crushing and five-time dust removal treatment, so that the crushing quality and cleanliness of the straw are effectively improved, the recycled straw is applied as feed, and the straw crushing and dust removing 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 pickup device is characterized by comprising

The traction frame is used for being connected with the power traction equipment;

the picking bin (10) is connected to the traction frame, and a picking bin opening is formed in the front end of the picking bin (10);

the rotary knife assembly (1) comprises a rotary shaft (101) and rotary knives (102) connected to the outer wall of the rotary shaft (101), the rotary shaft (101) is rotatably connected with the bin wall of the picking bin (10) and is in transmission connection with traction power, the rotary knives (102) are in a long sheet shape, the rotary knives (102) are arranged in a plurality and distributed along the circumferential direction of the rotary shaft (101), the rotary knife assembly (1) is located at the picking bin port, and the rotary shaft (101) and the rotary knives (102) extend along the length direction of the picking bin port and have intervals with the upper bin wall and the lower bin wall of the picking bin port;

the hammer claw assembly (2) is positioned in the picking bin (10), is positioned at the downstream of the rotating cutter assembly (1), and comprises a hammer claw (201) shaft which is rotatably connected with the bin wall of the picking bin (10) and is in transmission connection with the traction power and a plurality of hammer claws (201) which are connected to the hammer claw (201) shaft, wherein the plurality of hammer claws (201) are distributed along the circumferential direction of the hammer claw (201) shaft and are arranged along the axial direction;

the auger assembly (3) is positioned in the pickup bin (10), is positioned 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 pickup bin (10) and is in transmission connection with the traction power and an auger blade (302) connected to the auger shaft (301);

the feeding fan (4) is located at the axial tail end of the auger shaft (301), an air inlet of the feeding fan (4) is communicated with the pickup bin (10), and an air outlet (402) of the feeding fan (4) forms a discharge hole of the pickup device.

2. The straw picker according to claim 1, wherein the rotary shaft (101) is in a shape of a hollow long tube with a polygonal cross section, the rotary knife (102) is disposed on a side tube wall of the rotary shaft (101), and a thickness direction of the rotary knife (102) is the same as that of the side tube wall of the rotary shaft (101); the cutting edge of the rotary knife (102) is in any one of an arc-shaped tooth structure, a straight tooth structure, a helical tooth structure or a sawtooth structure along the length direction.

3. The straw picker according to claim 1, wherein the packing auger assembly (3) further comprises a plurality of moving blades (303) positioned between the packing auger blade (302) and the feeding fan (4), the moving blades (303) are connected to the packing auger shaft (301) and are provided with a plurality of groups distributed along the axial direction of the packing auger shaft (301), and each group of the moving blades (303) comprises a plurality of groups distributed along the circumferential direction of the packing auger shaft (301).

4. The straw picker according to claim 3, wherein the packing 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 located above the movable knife (303), each of the fixed knives (304) is in a sheet shape, has the same thickness direction as the axial direction of the packing auger shaft (301), and the fixed knives (304) and the movable knife (303) are staggered with each other along the axial direction of the packing auger shaft (301).

5. The straw picker according to claim 4, wherein 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).

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

7. The straw picker according to claim 5, wherein the auger shaft (301) is provided with connecting grooves for the movable blades (303) to be inserted into, each connecting groove is internally connected with two movable blades (303) which are distributed along the axial direction of the auger shaft (301) at intervals, the movable blades (303) are in a sheet shape, and the thickness direction of the blade body is the same as the axial direction of the auger shaft (301); each fixed knife (304) is connected to a connecting plate and arranged along the length direction of the connecting plate, inserting holes (12) for the fixed knives (304) to extend into are formed in the top wall of the picking bin (10), and the inserting holes (12) are in one-to-one correspondence with the fixed knives (304).

8. A straw pickup dust-removing recycling machine, which is characterized by comprising the straw pickup according to any one of claims 1 to 7, and further comprising a frame, an upper bin (5) connected with an air outlet (402) of the feeding fan (4), and a recycling device for recycling crushed straw.

9. The straw picking and dedusting recycling machine according to claim 8, further comprising a sieving dedusting device at the discharge end of the upper bin (5), the screening dust removal device comprises a screen cylinder (6) which is rotatably connected with the frame, an auger conveying device (7) which is in transmission connection with the traction power, a feeding fan (8) which is connected with a discharge port of the auger conveying device (7) and a feeding bin (9), one end of the feeding bin (9) is connected with the air outlet of the feeding fan (8), the outlet of the other end of the feeding bin faces the recovery device, the sieve drum (6) is arranged in the vertical direction and axially rotates along the vertical direction, an upper drum opening of the sieve drum (6) is opposite to an outlet of the upper storage bin (5), a lower drum opening of the sieve drum is opposite to a feed inlet of the auger conveying device (7), and a plurality of sieve holes are distributed in the drum wall of the sieve drum (6).

10. The straw picking and dedusting recycling machine according to claim 9, 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 penetrate through the first arc portion; the feeding bin (9) extends in 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) which are arranged in a penetrating mode are distributed in the top wall of the second arc part; auger conveyor (7) include an auger section of thick bamboo, be located pivot and connection in an auger section of thick bamboo are in changeing epaxial auger blade, an auger section of thick bamboo's discharge gate is located the axial end of pivot, it has a plurality of fourth dust removal holes that link up the setting to distribute on an auger section of thick bamboo's bulkhead, each fourth dust removal hole encircle in the periphery of pivot, the pivot with pull power transmission and connect.