CN111788925A

CN111788925A - Automatic throwing component for promoting straw returning to field

Info

Publication number: CN111788925A
Application number: CN202010776461.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Anhui Fengniancheng Electromechanical Design Service Co ltd
Current assignee: Anhui Fengniancheng Electromechanical Design Service Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-10-20

Abstract

The invention provides an automatic throwing component for promoting straw returning, which comprises a landing travelling bracket, a harvesting mechanism, a conveying device and a crushing mechanism, wherein the harvesting mechanism, the conveying device and the crushing mechanism are arranged on the travelling bracket; rubbing crusher constructs including hand hay cutter, hand hay cutter platform with, shed the mouth and set up in the fan of shedding mouth department, and in compressing tightly the compacted straw and getting into to shed the mouth, the hand hay cutter is along guiding groove reciprocating motion from top to bottom, and the hand hay cutter cooperatees with the hand hay cutter platform and tailors absolutely to the straw, and the straw will be cut out into 0.5cm to 1 cm's straw piece and by shed the mouth and shed unrestrained to the field in.

Description

Automatic throwing component for promoting straw returning to field

Technical Field

The invention relates to the technical field of straw returning machines, in particular to an automatic throwing component for promoting straw returning.

Background

The straw returning field is a soil fertility increasing and yield increasing measure which is generally regarded as important in the world at present, and has the functions of increasing fertilizer and increasing yield while avoiding atmospheric pollution caused by straw burning. The straw returning can increase soil organic matters, improve soil structure, loosen soil, increase porosity, reduce capacity and promote microbial activity and crop root development. The straw returning, fertilizing and yield increasing effect is obvious, the yield can be increased by 5% -10% generally, but if the method is improper, the adverse phenomena of increase of soil germs, increase of crop diseases, seedling shortage (runt seedlings) and the like can also be caused. Therefore, a reasonable straw returning measure is adopted, and a good returning effect can be achieved.

Traditional straw reducing mechanism, its primary structure is by power device and hobbing cutter, carries out high-speed rotation by power device drive hobbing cutter, and the straw after will tying is put into to smashing the incasement, and high-speed pivoted hobbing cutter carries out shredding to the straw, smashes the back by smashing the case and directly discharge to the field in. The disadvantages are that: 1. traditional rubbing crusher does not possess the function of marcing, can only carry out shredding to the straw in the fixed point, lead to exhaust straw piece to pile up, be unfavorable for earth to dissolve the straw piece, 2, straw piece undersize, because the reason of wind-force, the straw piece can be blown away in the air, cause inconvenience to the resident family on every side, if by human suction, still can lead to respiratory disease, 3, can't carry out the automation to the straw of standing in the field and reap crushing, need artifical supplementary to put in the straw to smashing the incasement and carry out shredding, greatly reduced smash still field's efficiency, increase peasant's intensity of labour. In order to overcome the above disadvantages, it is necessary to provide a cutting-off type automatic throwing member for returning the stalks to the field, which can move freely in the field and has high efficiency, and the cutting-off of the stalks by the guillotine can be performed to avoid the small size of the stalk scraps.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide a chopping type automatic throwing component for returning straws to the field, which can freely advance in the field and has high efficiency.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The automatic throwing component comprises a traveling bracket, a harvesting mechanism, a conveying device and a crushing mechanism, wherein the traveling bracket is grounded, the harvesting mechanism is arranged on the traveling bracket and used for harvesting straws, the crushing mechanism is arranged on one side of the rear end of the traveling bracket in the traveling direction and used for cutting and crushing the straws to form straw chips with the length of 0.5cm to 1cm, the conveying device is arranged in the middle of the traveling bracket and located between the harvesting mechanism and the crushing mechanism, and the conveying device is used for receiving the straws harvested by the harvesting mechanism, sequentially extruding the straws into bundles, stirring, pushing down, compressing and conveying the straws into the crushing mechanism;

the crushing mechanism comprises a rectangular plate-shaped upper guide frame and a rectangular block-shaped lower guide frame which are fixedly connected with a traveling bracket, a hand hay cutter which forms sliding guide fit with the upper guide frame is arranged in the guide groove, a rectangular throwing port is formed in the lower guide frame, a horizontal hand hay cutter table is formed at the bottom of the throwing port, the hand hay cutter can slide downwards along the guide groove and slide to the lowest end, the cutting edge of the hand hay cutter is contacted with the hand hay cutter table, when the compacted straw enters the throwing port, the hand hay cutter slides up and down along the guide groove in a reciprocating manner, the hand hay cutter is matched with the hand hay cutter table to cut the straw, the straw is cut into straw chips of 0.5cm to 1cm, and the straw chips are thrown out from the throwing port and fall into the field;

an inner sinking groove penetrating downwards is formed in the middle of the chopping table along the opening direction of the throwing opening, and a fan is rotationally arranged in the inner sinking groove;

the power shaft is arranged between the second mounting plate and the upper guide frame in a rotating mode, the input end of the power shaft is connected with the power driving device, a crank connecting rod assembly connected with the power shaft and the chopper is arranged between the output end of the power shaft and the middle position of the chopper, the power shaft at one end of the crank connecting rod assembly is fixedly connected with the output end of the power shaft, the other end of the power shaft is in rotating connection and matching with the middle position of the chopper, and the crank connecting rod assembly is used for transmitting power on the power shaft to the chopper and driving the.

As a further optimization or improvement of the present solution.

The conveying device comprises a first conveying mechanism, a second conveying mechanism and a third conveying mechanism which are connected in sequence, the input end of the first conveying mechanism is connected with the harvesting mechanism, the output end of the first conveying mechanism is connected with the input end of the second conveying mechanism, the input end of the third conveying mechanism is connected with the output end of the second conveying mechanism, the output end of the third conveying mechanism is connected with the crushing mechanism, the straws harvested by the harvesting mechanism sequentially pass through the first conveying mechanism, the second conveying mechanism and the third conveying mechanism and enter the crushing mechanism, the first conveying mechanism is used for conveying and extruding the straws into bundles, the second conveying mechanism is used for conveying the straws, stirring and pushing the straws to the transverse position, and the third conveying mechanism is used for compressing the bundled straws and slowly conveying the straws to the crushing.

As a further optimization or improvement of the present solution.

The first conveying mechanism comprises a fixing frame and a rectangular supporting plate, the fixing frame is arranged on the first mounting frame, one end of the supporting plate in the length direction extends to the joint of the first mounting frame and the second mounting frame, the other end of the supporting plate extends to the position of a rotating shaft, the top end of the rotating shaft is matched with the supporting plate in a rotating connection mode, a cutting piece is located between the first mounting frame and the supporting plate, the supporting plate is fixedly connected with the first mounting frame, the fixing frame is fixedly arranged on the upper end face of the supporting plate, the two fixing frames are arranged in a bilateral symmetry mode along the advancing direction of the advancing bracket, guide plates are vertically arranged and fixedly arranged at the front end of the advancing direction of the fixing frame, the lower ends of the guide plates are fixedly connected with the supporting plate and located on one side of the cutting piece, a guide port is formed between the two guide plates, the guide port is gradually increased along the advancing, Extruding and compressing;

the fixing frame is formed by fixedly connecting a rectangular bottom plate, a rectangular vertical plate, a rectangular top plate and clamping plates which are arranged along the advancing direction of the advancing bracket along the length direction, the lower end face of the bottom plate is fixedly connected with the upper end face of the supporting plate, the bottom plate and the top plate are symmetrically arranged up and down, the plane where the bottom plate and the top plate are arranged is parallel to the horizontal plane, the plane where the vertical plate is arranged is parallel to the vertical plane, the upper end of the vertical plate is fixedly connected with the outer side of the top plate, the lower end of the vertical plate is fixedly connected with the outer side of the bottom plate, the plane where the clamping plates are arranged is parallel to the vertical plane, the lower end of the clamping plate is fixedly connected with;

the conveying assembly comprises a first driving roller rotatably arranged between one end of the bottom plate and one end of the top plate along the length direction, a first driven roller rotatably arranged between the other end of the bottom plate and the other end of the top plate along the length direction, the first driving roller and the first driven roller can be driven by the power driving device, the diameters of the first driving roller and the first driven roller are equal, the end parts of the first driving roller and the first driven roller are rotatably connected and matched with the bottom plate or the top plate, the axial direction of the first driving roller and the axial direction of the second driven roller are parallel to the distance direction between the bottom plate and the top plate, a first conveying belt forming a closed circulation loop is wound between the first driving roller and the first driven roller, a vertically arranged rectangular thin-wall extrusion plate is fixedly arranged on the first conveying belt, the length direction of the extrusion plate is parallel to the axial direction of the first driving roller, the width direction of the extrusion, The lower end of the first conveying belt is flush with the lower end of the first conveying belt, the extrusion plates are provided with a plurality of extrusion grooves which are arranged at equal intervals along the running direction of the first conveying belt, the extrusion plates between the two first conveying belts are in contact combination at the input ends of the first conveying belts and are separated and opened at the output ends of the first conveying belts, the extrusion grooves formed by the pair of extrusion plates after the contact combination and the adjacent pair of extrusion plates after the contact combination are in common contact combination, the lower end openings of the extrusion grooves are blocked by the supporting plates, the upper end openings of the extrusion grooves are just opposite to the gap between the two clamping plates, the extrusion plates are in contact combination at the input ends of the first conveying belts and are used for compressing harvested vertical straws into the extrusion grooves, the extrusion grooves perform plasticity on the straws to form bundles, and the extrusion plates are separated and.

As a further optimization or improvement of the present solution.

The conveying direction of the second conveying mechanism is parallel to the advancing direction of the advancing bracket, the second conveying mechanism comprises a second driving roller and a second driven roller which are rotatably arranged on the second mounting frame, the second driving roller and the second driven roller are arranged back and forth along the advancing direction of the advancing bracket, the diameters of the second driving roller and the second driven roller are equal, the end parts of the second driving roller and the second driven roller are rotatably connected and matched with one side of the second mounting frame, the second driving roller can be driven by a power driving device, a second conveying belt forming a closed circulation loop is arranged between the second driving roller and the second driven roller in a winding manner, the second conveying belt extends from one side of the second mounting frame to the other side, the input end of the second conveying belt is aligned with the output end of the first conveying belt, and the second conveying belt is closely adjacent to the rear end;

a first vertical bending plate perpendicular to the first vertical plate is fixedly arranged at the rear end of the vertical plate on the left side in the advancing direction of the advancing bracket, a second vertical bending plate perpendicular to the second vertical plate is fixedly arranged at the rear end of the vertical plate on the right side in the advancing direction of the advancing bracket, the first bending plate and the second bending plate are in the same bending direction and are arranged in parallel to each other at intervals, the second bending plate is of a double-layer plate structure and comprises an inner side plate close to the first bending plate and an outer side plate far away from the first bending plate, a pouring opening is formed between the first bending plate and the inner side plate, the opening direction of the pouring opening points to the left side in the advancing direction of the advancing bracket;

the first bending plate is fixedly connected with the upper end face of the second mounting frame and seals the input end of the second conveying belt, and the second bending plate is located right above the second conveying belt and a gap through which the straw passes is reserved between the first bending plate and the second bending plate.

As a further optimization or improvement of the present solution.

The second conveying mechanism further comprises a driving shaft which is rotatably arranged on the inner side plate and the outer side plate, the axial direction of the driving shaft is parallel to the advancing direction of the advancing bracket, the axis of the driving shaft coincides with the symmetrical center lines of the left fixing frame and the right fixing frame, the driving shaft is aligned with the middle position of the extrusion groove along the height direction of the extrusion groove, the driving end of the driving shaft can receive the driving of the power driving device, a circular turntable is coaxially and fixedly sleeved at the output end of the driving shaft, the turntable is located in the dumping port and is attached to the inner side plate, and a shifting lever which is axially parallel to the axial direction of the turntable is fixedly.

As a further optimization or improvement of the present solution.

The conveying mechanism III comprises a driven roller III which is rotatably arranged on the mounting frame II, the driven roller III is provided with two driven rollers and is respectively positioned on one side of the mounting frame II, the axial direction of the driven roller III is parallel to the advancing direction of the advancing bracket, a conveying belt III which forms a closed circulation loop is arranged between the two driven rollers III in a winding manner, the input end of the conveying belt III and the opening of the pouring opening are positioned on the same side of the mounting frame II, the output end of the conveying belt III and the opening of the pouring opening are positioned on the opposite side of the mounting frame II, the conveying belt III is positioned below the conveying belt II, the input end of the conveying belt III is connected with the output end of the conveying belt II, a vertical mounting plate I which is upwards arranged is fixedly arranged on the mounting frame II, the mounting plate I and the outer side plate are mutually parallel and arranged at intervals, the conveying belt III is positioned, the inclined plate is positioned above the third conveying belt, and a pressing clamping opening which is gradually narrowed along the conveying direction of the third conveying belt is formed between the inclined plate and the third conveying belt;

the third conveying mechanism further comprises a guide pillar fixedly arranged at the joint of the right side vertical plate and the second bending plate, the axial direction of the guide pillar is perpendicular to the plane of the third conveying belt, a retainer capable of sliding up and down along the axial direction of the guide pillar is sleeved on the guide pillar, the retainer is positioned over the third conveying belt, a pressing roller axially parallel to the triaxial direction of the driven roller is rotatably arranged on the retainer, the pressing roller can receive the driving of a power driving device, the pressing roller is positioned over the third conveying belt and has the length equal to the width of the third conveying belt, a pressing spring is movably sleeved on the guide pillar, the elastic force of the pressing spring always pushes the retainer to slide downwards along the guide pillar, and the pressing roller is tightly abutted to the output end of the third conveying belt in the initial.

Compared with the prior art, the invention has the beneficial effects that:

1. the automatic harvesting machine has a simple and reliable structure, can freely advance in the field to automatically harvest the straws standing in the field, and cuts and crushes the straws after harvesting, so that the straw returning efficiency is greatly improved, and the labor intensity of farmers is reduced;

2. the straw is cut by the guillotine, so that the situation that the straw scraps are too small is avoided;

3. the harvested straws can be extruded and compacted into a bundle shape, so that the cutting of a guillotine is facilitated;

4. the length of the straw scraps after cutting is controlled between 0.5cm and 1cm, and the straw scraps are uniformly thrown into the whole field along with the advancing of the whole machine, so that the soil is convenient for dissolving the straw scraps, and meanwhile, the straw scraps are stably and difficultly blown up by wind.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a traveling carriage.

Fig. 3 is a schematic structural view of the second mounting frame.

Fig. 4 is a schematic structural diagram of the first mounting frame.

Fig. 5 is a connection diagram of the conveying device, the harvesting mechanism and the crushing mechanism.

Fig. 6 is a schematic structural diagram of the conveying device.

Fig. 7 is a schematic structural diagram of the first conveying mechanism.

Fig. 8 is a partial structural schematic diagram of the first conveying mechanism.

Fig. 9 is a partial structural schematic diagram of the first conveying mechanism.

Fig. 10 is a schematic internal structure diagram of the first conveying mechanism.

Fig. 11 is a schematic internal structure diagram of the first conveying mechanism.

FIG. 12 is a connection diagram of the first conveying mechanism, the second conveying mechanism and the third conveying mechanism.

Fig. 13 is a schematic structural diagram of the second conveying mechanism.

Fig. 14 is a partial structural schematic view of the second conveying mechanism.

Fig. 15 is a matching view of the second conveying mechanism and the third conveying mechanism.

Fig. 16 is a diagram showing the second and third conveying mechanisms.

Fig. 17 is a schematic structural view of the third conveying mechanism.

Fig. 18 is a schematic structural view of the third conveying mechanism.

Fig. 19 is a schematic structural view of the third conveying mechanism.

Fig. 20 is a matching view of the crushing mechanism and the second mounting frame.

Fig. 21 is a diagram showing the combination of the crushing mechanism and the third conveying mechanism.

Fig. 22 is a schematic structural view of the crushing mechanism.

Fig. 23 is a connection diagram of the power driving device and the first conveying mechanism, the second conveying mechanism, the third conveying mechanism, the harvesting mechanism and the crushing mechanism.

Fig. 24 is a combination view of the engine and the first transmission mechanism.

Fig. 25 is a schematic structural diagram of the first transmission mechanism.

Fig. 26 is a schematic structural diagram of a second transmission mechanism.

Fig. 27 is a schematic structural diagram of a third transmission mechanism.

Labeled as:

100. a traveling carriage; 101. a first mounting frame; 102. a second mounting frame; 103. a column; 104. a handle; 105. a control panel; 106. coiling; 107. a roller; 108a, a first mounting plate; 108b and a second mounting plate; 108c, an output port;

200. a harvesting mechanism; 201. a rotating shaft; 202. cutting the slices;

300. a conveying device; 310. a first conveying mechanism; 311. a fixed mount; 311a, a bottom plate; 311b, a vertical plate; 311c, a top plate; 311d, splint; 312. a support plate; 313. a guide plate; 313a, a guide port; 314. bending a first plate; 315. a second bending plate; 315a, an inner side plate; 315b, outer panels; 316. pouring a spout; 317. a first driving roller; 318. a driven roller I; 319. a first conveying belt; 319a, a compression plate; 319b, extrusion grooves; 320. a second conveying mechanism; 321. a second driving roller; 322. a driven roller II; 323. a second conveying belt; 324. a drive shaft; 325. a turntable; 326. a deflector rod; 330. a third conveying mechanism; 331. a driven roller III; 332. conveying belt III; 333. a sloping plate; 334. a guide post; 335. a holder; 336. a compacting drum; 337. a compression spring;

400. a crushing mechanism; 401. an upper guide frame; 402. a guide groove; 403. a guillotine; 404. a lower guide frame; 405. a throwing port; 406. a chopping table; 407. a fan; 408. a power shaft; 409. a crank link assembly;

500. a power drive device; 510. an engine; 520. a first transmission mechanism; 521. a first transmission shaft; 521a, a belt transmission assembly I; 521b, a first gear transmission component; 521c, a gear transmission assembly II; 522. a second transmission shaft; 522a, a belt transmission component II; 523. a third transmission shaft; 523a, a gear transmission assembly III; 523b, a gear transmission assembly IV; 523c, a gear transmission assembly five; 524. a fourth transmission shaft; 524a, a third belt transmission component; 525. a fifth transmission shaft; 525a, a belt transmission assembly IV; 530. a second transmission mechanism; 540. a third transmission mechanism; 541. a sixth transmission shaft; 542. a gear transmission assembly six; 543. a belt transmission assembly V; 544. and a belt drive assembly six.

Detailed Description

First, the front end and the rear end are referred to as a front end and a rear end, respectively, in the traveling direction of the traveling carriage 100, respectively.

Referring to fig. 1-27, an automatic harvesting and cutting pulverizer for returning straws to field comprises a traveling bracket 100 which falls to the ground, a harvesting mechanism 200 which is arranged on the traveling bracket 100, a conveying device 300, a pulverizing mechanism 400 and a power driving device 500, wherein the harvesting mechanism 200 is arranged at the front end of the traveling bracket 100 along the traveling direction of the traveling bracket 100 and is used for harvesting straws, the pulverizing mechanism 400 is arranged at one side of the rear end of the traveling bracket 100 along the traveling direction of the traveling bracket 100 and is used for cutting and pulverizing straws into straw scraps with the length of 0.5cm to 1cm, the conveying device 300 is arranged at the middle position of the traveling bracket 100 and is positioned between the harvesting mechanism 200 and the pulverizing mechanism 300, the conveying device 300 is used for receiving the straws harvested by the harvesting mechanism 200 and sequentially extruding, bundling, stirring, pushing and compressing the straws into the pulverizing mechanism 400, and the power driving device 500 is arranged at the tail part of the rear end of the traveling bracket 100 and is, The conveyor 300 and the crushing mechanism 400 provide driving power.

Specifically, the conveying device 300 comprises a first conveying mechanism 310, a second conveying mechanism 320 and a third conveying mechanism 330 which are connected in sequence, wherein the input end of the first conveying mechanism 310 is connected with the harvesting mechanism 200, the output end of the first conveying mechanism 310 is connected with the input end of the second conveying mechanism 320, the input end of the third conveying mechanism 330 is connected with the output end of the second conveying mechanism 320, the output end of the third conveying mechanism 330 is connected with the crushing mechanism 400, the straws harvested by the harvesting mechanism 200 sequentially pass through the first conveying mechanism 310, the second conveying mechanism 320 and the third conveying mechanism 330 to enter the crushing mechanism 400, the first conveying mechanism 310 is used for conveying and extruding the straws into bundles, the second conveying mechanism 320 is used for conveying and pushing the straws to be transverse, and the third conveying mechanism 330 is used for pressing and slowly conveying the bundles of the straws to the crushing mechanism 400.

More specifically, the traveling bracket 100 comprises a first mounting frame 101 located at the traveling front end of the traveling bracket and a second mounting frame 102 located at the rear end of the traveling bracket, the first mounting frame 101 and the second mounting frame 102 are fixedly connected and arranged in a ground-off manner, the second mounting frame 102 is fixedly provided with an upright post 103 arranged upwards along the tail part of the traveling direction of the second mounting frame 102, the upright post 103 is arranged in a backward tilting manner, the inclination angle of the upright post 103 is 75-85 degrees, two sides of the upright post 103 close to the top end of the upright post are fixedly provided with a cylindrical handle 104, the handle 104 is used for being held by both hands of a farmer, a control panel 105 is fixedly arranged on the top end surface of the upright post 103 and used for controlling the operation of the power driving device 500, wheels 106 which fall to the ground are rotatably arranged on two sides of the second mounting frame 102, the axial direction of the wheels 106 is perpendicular to the traveling, in an initial state, both the wheels 106 and the rollers 107 are arranged on the ground, in a working state, a farmer presses down the handle 104 to enable the rollers 107 to tilt upwards and to be supported by the wheels 106 to roll, the harvesting mechanism 200 is arranged at the front end of the upper end face of the first mounting frame 101, the crushing mechanism 400 is arranged on one side of the rear end of the upper end face of the second mounting frame 102, the conveying device 300 is arranged between the front end of the first mounting frame 101 and the rear end of the second mounting frame 102, and the power driving device 500 is arranged at the tail end of the rear end of the second mounting frame 102 and is located between the conveying device 300 and the upright post 103.

During the straw crushing and returning process, farmers hold the handle 104 and press down the handle and tilt the roller 107 upwards to push the handle 104 to roll the wheels 106 in the field, at the same time, the control panel 105 starts the power driving device 500, the power driving device 500 transmits power to the harvesting mechanism 200, the first conveying mechanism 310, the second conveying mechanism 320, the third conveying mechanism 330 and the crushing mechanism 400, and drives the harvesting mechanism 200, the first conveying mechanism 310, the second conveying mechanism 320, the third conveying mechanism 330 and the crushing mechanism 400 to normally operate, during the process of advancing the advancing bracket 100, the harvesting mechanism 200 automatically cuts and harvests straws standing in the field, the harvested straws enter the first conveying mechanism 310, the first conveying mechanism 310 extrudes and compresses the straws into bundles and outputs the straws to the second conveying mechanism 320, the bundles of straws are stirred and pushed down in the second conveying mechanism 320 and output to the third conveying mechanism 330, the third conveying mechanism 330 compresses and slowly outputs the straw into the crushing mechanism 400, the crushing mechanism 400 continuously cuts the straw along the length direction and forms straw scraps with the length size of 0.5cm to 1cm, and the straw scraps are thrown out of one side of the traveling bracket 100 and fall into the field.

Reap mechanism 200 including rotating the rotation axis 201 that sets up in first 101 front ends of mounting bracket, coaxial fixed cup connects in circular cockscomb structure cutting piece 202 on rotation axis 201, the front end of mounting bracket 101 sets up to the triangle-shaped shape and one of them corner of the triangle-shaped that this department formed arranges along its advancing direction, rotation axis 201 rotates and sets up in the edge department of this triangle-shaped along its advancing direction, cutting piece 202 is located the up end of mounting bracket 101, the drive of power drive arrangement 500 can be accepted to rotation axis 201, rotate through drive rotation axis 201, thereby drive the high-speed rotation of cutting piece 202, and then make cutting piece 202 carry out the automatic cutout to the straw of standing in the field and reap.

In order to receive straws harvested by the harvesting mechanism 200 and compress the straws into bundles, the first conveying mechanism 310 comprises a fixed frame 311 and a rectangular supporting plate 312, the fixed frame 311 is arranged on the first mounting frame 101, one end of the supporting plate 312 in the length direction extends to the joint of the first mounting frame 101 and the second mounting frame 102, the other end of the supporting plate 312 extends to the rotating shaft 201, the top end of the rotating shaft 201 is in rotating connection and matching with the supporting plate 312, the cutting blade 202 is positioned between the first mounting frame 101 and the supporting plate 312, the supporting plate 312 is fixedly connected with the first mounting frame 101, the fixed frame 311 is fixedly arranged on the upper end surface of the supporting plate 312, the fixed frame 311 is provided with two supporting plates and is arranged in bilateral symmetry along the advancing direction of the advancing bracket 100, a guide plate 313 which is arranged vertically is fixedly arranged at the front end of the fixed frame 311 along the advancing direction, a guide port 313a is formed between the two guide plates 313 and the guide port 313a gradually increases along the advancing direction of the advancing bracket 100, and the fixed frame 311 is provided with a conveying assembly which is used for conveying, extruding and compressing the straws at the gap between the two fixed frames 311.

Specifically, the fixing frame 311 is formed by fixedly connecting a rectangular bottom plate 311a, a rectangular vertical plate 311b, a rectangular top plate 311c and a clamping plate 311c which are arranged along the traveling direction of the traveling bracket 100 in the length direction, the lower end surface of the bottom plate 311a is fixedly connected with the upper end surface of the supporting plate 312, the bottom plate 311a and the top plate 311c are arranged in an up-down symmetrical manner and are arranged on a plane parallel to the horizontal plane, the plane on which the vertical plate 311b is arranged is parallel to the vertical plane, the upper end of the vertical plate 311b is fixedly connected with the outer side of the top plate 311c, the lower end of the vertical plate 311d is fixedly connected with the outer side of the bottom plate 311a, the plane on which the clamping plate 311d is arranged is parallel to the vertical plane, the lower end of the clamping plate 311d is fixedly connected with the inner side of the top.

More specifically, the conveying assembly comprises a driving roller I317 rotatably arranged between one end of the bottom plate 311a and one end of the top plate 311c along the length direction, a driven roller I318 rotatably arranged between the other end of the bottom plate 311a and the other end of the top plate 311c along the length direction, the driving roller I317 can be driven by the power driving device 500, the driving roller I317 and the driven roller I318 have the same diameter, the end parts of the driving roller I317 and the driven roller I318 are positioned and are in rotating connection and matching with the bottom plate 311a or the top plate 311c, the axial directions of the driving roller I317 and the driven roller II 318 are parallel to the front spacing direction of the bottom plate 311a and the top plate 311c, a conveying belt I319 forming a closed circulation loop is arranged between the driving roller I317 and the driven roller I318 in a winding manner, a vertically arranged rectangular thin-wall extrusion plate 319a is fixedly arranged on the conveying belt I319, and, The width direction of the extrusion plate 319a is always vertical to the belt surface of the first conveying belt 319, the upper end of the extrusion plate 319a in the length direction of the extrusion plate 319a is flush with the upper end of the first conveying belt 319, the lower end of the extrusion plate 319a is flush with the lower end of the first conveying belt 319, the extrusion plate 319a is provided with a plurality of extrusion grooves 319a which are arranged in an array at equal intervals in the running direction of the first conveying belt 319, the extrusion plates 319a between the two first conveying belts 319 are contacted and combined at the input end of the two first conveying belts 319 and are separated and opened at the output end of the two first conveying belts, the pair of extrusion plates 319a after contact and the adjacent pair of extrusion plates 319a after contact and combination form an extrusion groove 319b together, the lower end opening of the extrusion groove 319b is blocked by the supporting plate 312, the upper end opening of the extrusion groove 319b is over against the gap between the two clamping plates 311d, the extrusion plates 319a are, the press plate 319a is opened at the outlet end of the first conveyor belt 319 and serves to discharge the straw in the form of bales into the second conveyor 320, in which process the straw is always in a vertical position.

The conveying direction of the second conveying mechanism 320 is parallel to the advancing direction of the advancing bracket 100, the second conveying mechanism 320 comprises a driving roller second 321 and a driven roller second 322 which are rotatably arranged on the second mounting frame 102, the driving roller second 321 and the driven roller second 322 are arranged back and forth along the advancing direction of the advancing bracket 100, the diameters of the driving roller second 321 and the driven roller second 322 are equal, the end parts of the driving roller second 321 and the driven roller second 322 are rotatably connected and matched with one side of the second mounting frame 102, the driving roller second 321 can be driven by the power driving device 500, a second conveying belt 323 forming a closed circulation loop is arranged between the driving roller second 321 and the driven roller second 322 in a winding mode, the second conveying belt 323 extends from one side of the second mounting frame 102 to the other side, the input end of the second conveying belt is aligned with the output end of the first conveying belt 319, and the second conveying belt 323 is adjacent to the rear end of the supporting plate.

Specifically, in order to push the bundled straws discharged from the extrusion slot 319b onto the second conveyor belt 323, a first vertical bending plate 314 perpendicular to the first vertical plate 311b is fixedly arranged at the rear end of the vertical plate 311b on the left side in the advancing direction of the advancing bracket 100, a second vertical bending plate 315 perpendicular to the second vertical plate 311b is fixedly arranged at the rear end of the vertical plate 311b on the right side in the advancing direction of the advancing bracket 100, the first bending plate 314 and the second bending plate 315 are in the same bending direction and are arranged in parallel with each other at intervals, the second bending plate 315 is of a double-layer plate structure and comprises an inner side plate 315a close to the first bending plate 314 and an outer side plate 315b far away from the first bending plate 314, a pouring opening 316 is formed between the first bending plate 314 and the inner side plate 315a, the opening direction of the pouring opening 316 points to the left side in the advancing direction of the advancing bracket 100.

More specifically, in order to avoid the slipping of the straws, the first bending plate 314 is fixedly connected with the upper end face of the second mounting frame 102 and seals the input end of the second conveying belt 323, and the second bending plate 315 is located right above the second conveying belt 323 and a gap through which the straws pass is reserved between the first bending plate and the second bending plate.

More specifically, in order to enable the bundled straws to be tilted to the left in the pouring port 316, the second conveying mechanism 320 further comprises a driving shaft 324 rotatably disposed on the inner side plate 315a and the outer side plate 315b, the axial direction of the driving shaft 324 is parallel to the traveling direction of the traveling bracket 100, the axis of the driving shaft 324 coincides with the symmetric center lines of the left and right fixing frames 311, the driving shaft 324 is aligned with the middle position of the extrusion groove 319b along the height direction thereof, the driving end of the driving shaft 324 can be driven by the power driving device 500, the output end of the driving shaft 324 is coaxially and fixedly sleeved with a circular turntable 325, the turntable 325 is disposed in the pouring port 316 and is attached to the inner side plate 315a, and the edge position of the end face of the turntable 325 facing away from the inner side plate 315a is fixedly provided with a shift lever 326 axially parallel to, the straw bundle discharged from the pressing groove 319b is pushed down and poured onto the second conveyor belt 323 by the rotation of the driving lever 326 around the driving shaft 324.

During the operation of the first conveying mechanism 310 and the second conveying mechanism 320, the reaping mechanism 200 cuts off the reaped straws and enters the input end of the first conveying belt 319 along with the advancing of the advancing bracket 100, the first driving roller 317 and the first driven roller 318 rotate and drive the first conveying belt 319 to operate, the extrusion plate 319a takes in the straws and contacts and combines with the straws at the input end of the first conveying belt 319, the straws enter the extrusion groove 319b and complete extrusion and plasticity into bundles of the straws in the extrusion groove 319b, the extrusion groove 319b moves away from the advancing direction of the advancing bracket 100, the extrusion plate 319a is separated and opened at the output end of the first conveying belt 319, and the bundles of straws after plasticity in the extrusion groove 319b are discharged into the pouring opening 316, at the moment, the bundles of straws are still in a vertical standing state, the driving shaft 324 rotates and drives the rotating disc 325 to rotate, the deflector rod 325 rotates around the axial direction of the driving shaft 324 and pushes down the bundles of straws in the pouring opening 316, the straws are poured downwards towards the opening of the pouring opening 316 and poured onto the second conveying belt 323, the second driving roller 321 and the second driven roller 322 rotate and drive the second conveying belt 323 to rotate, the second conveying belt 323 conveys the straws at the pouring opening into the third conveying mechanism 330, and at the moment, the length direction of the straws is perpendicular to the advancing direction of the advancing bracket 100.

In order to compress and convey the dumped bundled straws towards the crushing mechanism 400, the conveying mechanism three 330 comprises a driven roller three 331 which is rotatably arranged on the mounting frame two 102, the driven roller three 331 is provided with two rollers and respectively positioned at one side of the mounting frame two 102, the axial direction of the driven roller three 331 is parallel to the advancing direction of the advancing bracket 100, a conveying belt three 332 forming a closed circulation loop is connected between the two driven rollers three 331 in a winding way, the input end of the conveying belt three 332 and the opening of the pouring opening 316 are positioned at the same side of the mounting frame two 102, the output end of the conveying belt three 332 and the opening of the pouring opening 316 are positioned at the opposite side of the mounting frame two 102, the conveying belt three 332 is positioned below the conveying belt two 323, the input end of the conveying belt three 332 is connected with the output end of the conveying belt two 323, an upward-arranged vertical mounting plate one 108a is fixedly arranged on the mounting frame two 102, and the mounting, the third conveying belt 332 is positioned right below a gap formed by the first mounting plate 108a and the outer side plate 315b, an inclined plate 333 which is obliquely arranged is fixedly arranged between the first mounting plate 108a and the outer side plate 315b, the inclined plate 333 is positioned above the third conveying belt 332, a pressing clamping opening which is gradually narrowed along the conveying direction of the third conveying belt 332 is formed between the inclined plate 333 and the third conveying belt 332, and the third conveying belt 332 conveys straws and presses the straws under the action of the pressing clamping opening.

Specifically, in order to drive the third conveyor belt 332 to operate, the third conveyor mechanism 330 further includes a guide post 334 fixedly disposed at a connection position between the right vertical plate 311b and the second bending plate 315, the guide post 334 is axially perpendicular to a plane where a belt surface of the third conveyor belt 332 is located, a retainer 335 capable of sliding up and down along the axial direction is sleeved on the guide post 334, the retainer 335 is located right above the third conveyor belt 332, a pressing roller 336 axially parallel to the axial direction of the third driven roller 331 is rotatably disposed on the retainer 335, the pressing roller 336 can be driven by the power driving device 500, the pressing roller 336 is located right above the third conveyor belt 332 and has a length equal to a width of the third conveyor belt 332, a pressing spring 337 is movably sleeved on the guide post 334, an elastic force of the pressing spring 337 constantly pushes the retainer 335 to slide down along the guide post 334, and the pressing roller 336 tightly abuts against an output end of the third conveyor belt 332 in, the pressing roller 336 is driven to rotate anticlockwise to drive the third conveying belt 332 to operate, meanwhile, straws are inserted between the pressing roller 336 and the third conveying belt 332 along with the operation of the third conveying belt 332, the straws are further pressed under the matching of the pressing roller 336 and the third conveying belt 332, the pressing roller 336 transmits friction force to the straws, and the straws transmit the friction force to the third conveying belt 332 and can meet the operation driving of the third conveying belt 332.

During the operation of the third conveying mechanism 330, the second conveying belt 323 conveys the straws to the input end of the third conveying belt 332, the pressing roller 336 rotates anticlockwise and drives the third conveying belt 332 to operate, the straws are conveyed from one side of the second mounting frame 102 to the other side on the third conveying belt 332, the length direction of the straws also points to the other side from one side of the second mounting frame 102, the straws are subjected to first pressing treatment through the pressing interface during the conveying process, the straws are pressed between the pressing roller 336 and the third conveying belt 332 when conveyed to the output end of the third conveying belt 332, the pressing roller 336 tightly presses the straws on the third conveying belt 332 under the elastic force of the pressing spring 337, and then the straws are discharged from the output end of the third conveying belt 332 into the crushing mechanism 400 for crushing treatment, which is characterized in that the straws can be pressed and then enter the crushing mechanism 400, is beneficial to the cutting and crushing of the straw by the crushing mechanism 400.

In order to facilitate the installation of the crushing mechanism 400 and enable the crushing mechanism 400 to be connected with the output end of the third conveying belt 332 in an aligned manner, a second mounting plate 108b which is vertically arranged is fixedly arranged on the second mounting frame 102, the second mounting plate 108b is vertically and fixedly connected with the first mounting plate 108a, the second mounting plate 108b is positioned at the output end of the third conveying belt 332, a rectangular output port 108c which is arranged opposite to the output end of the third conveying belt 332 is formed in the second mounting plate 108b, the crushing mechanism 400 is fixedly arranged on the outer side of the second mounting plate 108b, and straws discharged from the third conveying belt 332 can pass through the output port 108c and be inserted into the.

Specifically, the crushing mechanism 400 comprises a rectangular plate-shaped upper guide frame 401 and a rectangular block-shaped lower guide frame 404 fixedly connected with the outer side of the second mounting plate 108b, a guide groove 402 perpendicular to the plane of the third conveyor belt 332 is arranged on the upper guide frame 401, a chopper 403 matched with the guide groove 402 in a sliding and guiding mode is arranged in the guide groove 402, the width of the chopper 403 along the advancing direction of the advancing bracket 100 is equal to the width of the third conveyor belt 332, a rectangular throwing port 405 communicated with the output port 108c is arranged on the lower guide frame 404, the cross section of the throwing port 405 is consistent with that of the output port 108c, a horizontal chopping table 406 is formed at the bottom of the throwing port 405, when the chopper 403 can slide downwards along the guide groove 402 and slide to the lowest end, the cutting edge of the chopper 403 is in contact with the chopping table 406, when the third conveyor belt 332 outputs compacted straws and penetrates through the output port 108c to enter the throwing port 405, the guillotine 403 slides up and down along the guide groove 402 in a reciprocating manner, the guillotine 403 is matched with the guillotine table 406 to cut and cut the straws, and the straws are cut into straw scraps of 0.5cm to 1cm and are thrown out from the throwing port 405 to fall into the field.

Specifically, in order to facilitate throwing of straw scraps, an inner sinking groove which penetrates downwards is formed in the middle of the chopping board 406 along the opening direction of the throwing opening 405, a fan 407 is rotationally arranged in the inner sinking groove, the fan 407 can receive the driving of the power driving device 500, and the straw scraps can be blown out of the throwing opening 405 through the rotation of the fan 407, so that the straw scraps are thrown.

More specifically, in order to drive the guillotine 403 to slide up and down, a power shaft 408 axially parallel to the conveying direction of the conveying belt three 332 is rotatably arranged between the mounting plate two 108b and the upper guide frame 401, an input end of the power shaft 408 is connected with the power driving device 500, a crank connecting rod assembly 409 for connecting the power shaft 408 and the guillotine 402 is arranged between an output end of the power shaft 408 and the middle position of the guillotine 402, an output end of the power shaft 408 is fixedly connected with a shaft, the other end of the power shaft 408 is rotatably connected and matched with the middle position of the guillotine 403, the crank connecting rod assembly 409 is used for transmitting power on the power shaft 408 to the guillotine 403 and driving the guillotine 403 to slide up and down along the guide groove 402 in a reciprocating manner, and the guillotine.

In the working process of the crushing mechanism 400, the three conveyor belts 332 output the compacted straws and penetrate through the output port 108c to enter the throwing port 405, meanwhile, the crank connecting rod assembly 409 transmits the power on the power shaft 408 to the guillotine 403 and drives the guillotine 403 to slide up and down along the guide groove 402 in a reciprocating manner, the guillotine 403 is matched with the guillotine 406 to cut and cut the straws, the straws are cut into straw chips of 0.5cm to 1cm, and the fan 407 rotates and blows the straw chips out of the throwing port 405 to be scattered into the field.

In order to transmit power to the harvesting mechanism 200, the first conveying mechanism 310, the second conveying mechanism 320, the third conveying mechanism 330 and the cutting mechanism 400 and drive the same to normally operate, the power driving device 500 comprises an engine 510, a first transmission mechanism 520, a second transmission mechanism 530 and a third transmission mechanism 540, wherein the first transmission mechanism 520 is used for transmitting power on the engine 510 to the first conveying mechanism 310, the second conveying mechanism 320, the harvesting mechanism 200 and the power shaft 408, the second transmission mechanism 530 is used for transmitting power on the engine 510 to the driving shaft 324, the third transmission mechanism 540 is used for transmitting power on the engine 510 to the third conveying mechanism 330 and the fan 407, the engine 510 is fixedly arranged on the second mounting frame 102 and is positioned between the first mounting plate 108a and the upright post 103, a signal connection is established between the generator 510 and the control panel 105, and the control panel 105 can control and start the generator 510 and control and regulate the rotating speed of the generator 510.

The first transmission mechanism 520 comprises a first transmission shaft 521 rotatably arranged at the tops of the first mounting plate 108a and the right-side fixing frame 311, a second transmission shaft 522 rotatably arranged on the second mounting plate 108b, a third transmission shaft 523 rotatably arranged at the bottom of the first mounting frame 101, a fourth transmission shaft 524 rotatably arranged at the bottom of the first mounting frame 101, and a fifth transmission shaft 525 rotatably arranged at the bottom of the first mounting frame 101, wherein the axial direction of the first transmission shaft 521 is parallel to the advancing direction of the advancing bracket 100 and is positioned right above the driving end of one of the first driving rollers 317, the axial direction of the second transmission shaft 522 is parallel to the axial direction of the power shaft 408, the second transmission shaft 522 is positioned right above the power shaft 408 and has the same height as the first transmission shaft 521, the axial direction of the third transmission shaft 523 is parallel to the spacing direction of the two first driving rollers 317 and the third transmission shaft 523 is positioned at the lower ends of the two first, a fourth transmission shaft 524 is located above a middle position of the third transmission shaft 523 in the axial direction thereof, and a fifth transmission shaft 525 is located between the fourth transmission shaft 524 and the rotating shaft 201.

Specifically, the axial direction of the output shaft of the engine 510 is parallel to the axial direction of the first transmission shaft 521, a first belt transmission assembly 521a for connecting the first transmission shaft 521 and the output shaft of the generator 510 is arranged between the driving end of the first transmission shaft 521 and the output shaft of the generator 510, the first belt transmission assembly 521a can transmit the power on the output shaft of the generator 510 to the first transmission shaft 521 and drive the first transmission shaft 521 to rotate, a first gear transmission assembly 521b for connecting the first transmission shaft 521 and the second transmission shaft 522 is arranged between the middle position of the first transmission shaft 521 along the axial direction and the driving end of the second transmission shaft 522, the first gear transmission assembly 521b is a bevel gear transmission assembly, the first gear transmission assembly 521b can transmit the power on the first transmission shaft 521 to the second transmission shaft 522 and drive the second transmission shaft 522 to rotate, a second belt transmission assembly 522a for connecting, the belt transmission assembly two 522a can transmit the power on the transmission shaft two 522 to the power shaft 408 and drive the power shaft 408 to rotate, a gear transmission assembly two 521c for connecting the transmission shaft two 521c and the gear transmission assembly two 521c are bevel gear transmission assemblies are arranged between the output end of the transmission shaft one 521 and the driving end of one of the driving rollers one 317, the gear transmission assembly two 521c can transmit the power on the transmission shaft one 521 to the driving rollers one 317 and drive the driving rollers one 317 to rotate, a gear transmission assembly three 523a for connecting the transmission shaft three 523a and the driving rollers three 523a are bevel gear transmission assemblies are arranged between the transmission shaft three 523 and the lower ends of the driving rollers 317, the gear transmission assembly three 523a can transmit the power on the driving rollers one connected with the transmission shaft one 521 to the other driving roller 317 and drive the other driving roller 317 to rotate reversely, and a gear for connecting the transmission shaft three 523a drive end of the transmission shaft three 523 and the driving end of the driving roller two 321 is The transmission component four 523b and the gear transmission component four 523b are straight gear transmission components, the gear transmission component four 523b can transmit the power on the transmission shaft three 523 to the driving roller two 321 and drive the driving roller one 321 to rotate, and the transmission of the transmission shaft one 521, the transmission shaft two 522 and the transmission shaft three 523 realizes the driving of the conveying mechanism one 310, the conveying mechanism two 320 and the power shaft 408, so that the normal operation of the conveying belt one 319, the normal operation of the conveying belt two 323 and the up-and-down reciprocating motion of the guillotine 403 are realized.

More specifically, a gear transmission assembly five 523c for connecting the three transmission shafts and the four 524 driving end of the transmission shaft is arranged between the middle position of the three 523 transmission shaft along the axial direction and the four 524 driving end of the transmission shaft, the gear transmission assembly five 523c is a bevel gear transmission assembly, the five 523 transmission assembly can transmit the power on the three 523 transmission shaft to the four 524 transmission shaft and drive the four 524 transmission shaft to rotate, a belt transmission assembly three 524a for connecting the three transmission shaft and the four 524 transmission shaft is arranged between the output end of the four 524 transmission shaft and the driving end of the five 525 transmission shaft, the three 524a can transmit the power on the four 524 transmission shaft to the five 525 transmission shaft and drive the five 525 transmission shaft to rotate, a belt transmission assembly five 525a for connecting the five 525 transmission shaft and the rotating shaft 201 is arranged between the output end of the five 525 transmission shaft and the rotating shaft 201, and the belt transmission assembly five 525 transmission can transmit, the driving of the rotating shaft 201 is realized through the transmission of the transmission shaft IV 524 and the transmission shaft V525, so that the normal operation of the cutting blade 202 is realized.

The second transmission mechanism 530 is a belt transmission assembly, one end of the second transmission mechanism is connected with the first transmission shaft 521, the other end of the second transmission mechanism is connected with the driving shaft 324, the second transmission mechanism 530 can transmit the power on the first transmission shaft 521 to the driving shaft 324 and drive the driving shaft 342 to rotate, and the driving of the driving shaft 324 is realized through the transmission of the first transmission shaft 521, so that the poking rod 326 can rotate around the driving shaft 324 in the axial direction to push down the straws.

The third transmission mechanism 540 comprises a transmission shaft six 541 rotationally arranged on the outer side plate 315b, the axial direction of the transmission shaft six 541 is parallel to the axial direction of the transmission shaft one 521 and is positioned right below the transmission shaft one 521, a gear transmission assembly six 542 for connecting the transmission shaft six 541 and the transmission shaft one 521 is arranged between the driving end of the transmission shaft six 541 and the transmission shaft one 521, the gear transmission assembly six 542 is a straight gear transmission assembly, the gear transmission assembly six 542 can transmit the power on the transmission shaft one 521 to the transmission shaft six 541 and drive the transmission shaft six 541 to rotate, a belt transmission assembly five 543 for connecting the transmission shaft six 541 and the pressing roller 336 is arranged between the output end of the transmission shaft six 541 and the driving end of the pressing roller 336, the belt transmission assembly six 543 can transmit the power on the transmission shaft six 541 to the pressing roller 336 and drive the pressing roller 336 to rotate, and a belt transmission assembly six 544 for connecting the pressing roller 336 and, the belt transmission assembly six 544 can transmit the power on the pressing roller 336 to the fan 407 and drive the fan 407 to rotate, and the driving of the pressing roller 336 and the fan 407 is realized through the transmission of the transmission shaft one 521 and the transmission shaft six 541, so that the normal operation of the conveyor belt three 332 and the fan 407 is realized.

Claims

1. Promote automatic component of shedding of straw returning, its characterized in that: the straw cutting and smashing device comprises a traveling bracket, a cutting mechanism, a conveying device and a smashing mechanism, wherein the traveling bracket is grounded, the cutting mechanism is arranged on the traveling bracket and is used for cutting straws at the front end of the traveling bracket along the traveling direction of the traveling bracket, the smashing mechanism is arranged on one side of the traveling bracket and is used for cutting and smashing straw scraps on the straws, the conveying device is arranged in the middle of the traveling bracket and is positioned between the cutting mechanism and the smashing mechanism, and the conveying device is used for receiving the straws cut by the cutting mechanism and sequentially extruding the straws into bundles, stirring and pushing the bundles, compressing and conveying the bundles into the smashing mechanism;

the crushing mechanism comprises a rectangular plate-shaped upper guide frame and a rectangular block-shaped lower guide frame which are fixedly connected with a traveling bracket, a hand hay cutter which is in sliding guide fit with the upper guide frame is arranged in the guide groove, a rectangular throwing port is formed in the lower guide frame, a horizontal hand hay cutter table is formed at the bottom of the throwing port, the hand hay cutter can slide downwards along the guide groove and slide to the lowest end, the cutting edge of the hand hay cutter is in contact with the hand hay cutter table, when the compacted straw enters the throwing port, the hand hay cutter slides up and down along the guide groove in a reciprocating manner, the hand hay cutter is matched with the hand hay cutter table to cut the straw into pieces, and the straw pieces are thrown out of the throwing port and fall into the field;

2. The automatic sprinkling member for promoting straw returning to the field according to claim 1, wherein: the conveying device comprises a first conveying mechanism, a second conveying mechanism and a third conveying mechanism which are connected in sequence, the input end of the first conveying mechanism is connected with the harvesting mechanism, the output end of the first conveying mechanism is connected with the input end of the second conveying mechanism, the input end of the third conveying mechanism is connected with the output end of the second conveying mechanism, the output end of the third conveying mechanism is connected with the crushing mechanism, the straws harvested by the harvesting mechanism sequentially pass through the first conveying mechanism, the second conveying mechanism and the third conveying mechanism and enter the crushing mechanism, the first conveying mechanism is used for conveying and extruding the straws into bundles, the second conveying mechanism is used for conveying the straws, stirring and pushing the straws to the transverse position, and the third conveying mechanism is used for compressing the bundled straws and slowly conveying the straws to the crushing.

3. The automatic sprinkling member for promoting straw returning to the field according to claim 2, wherein: the first conveying mechanism comprises a fixing frame and a rectangular supporting plate, the fixing frame is arranged on the first mounting frame, one end of the supporting plate in the length direction extends to the joint of the first mounting frame and the second mounting frame, the other end of the supporting plate extends to the position of a rotating shaft, the top end of the rotating shaft is matched with the supporting plate in a rotating connection mode, a cutting piece is located between the first mounting frame and the supporting plate, the supporting plate is fixedly connected with the first mounting frame, the fixing frame is fixedly arranged on the upper end face of the supporting plate, the two fixing frames are arranged in a bilateral symmetry mode along the advancing direction of the advancing bracket, guide plates are vertically arranged and fixedly arranged at the front end of the advancing direction of the fixing frame, the lower ends of the guide plates are fixedly connected with the supporting plate and located on one side of the cutting piece, a guide port is formed between the two guide plates, the guide port is gradually increased along the advancing, Extruding and compressing;

4. The automatic sprinkling member for promoting straw returning to the field according to claim 2, wherein: the conveying direction of the second conveying mechanism is parallel to the advancing direction of the advancing bracket, the second conveying mechanism comprises a second driving roller and a second driven roller which are rotatably arranged on the second mounting frame, the second driving roller and the second driven roller are arranged back and forth along the advancing direction of the advancing bracket, the diameters of the second driving roller and the second driven roller are equal, the end parts of the second driving roller and the second driven roller are rotatably connected and matched with one side of the second mounting frame, the second driving roller can be driven by a power driving device, a second conveying belt forming a closed circulation loop is arranged between the second driving roller and the second driven roller in a winding manner, the second conveying belt extends from one side of the second mounting frame to the other side, the input end of the second conveying belt is aligned with the output end of the first conveying belt, and the second conveying belt is closely adjacent to the rear end;

5. The automatic sprinkling member for promoting straw returning to the field according to claim 2, wherein: the second conveying mechanism further comprises a driving shaft which is rotatably arranged on the inner side plate and the outer side plate, the axial direction of the driving shaft is parallel to the advancing direction of the advancing bracket, the axis of the driving shaft coincides with the symmetrical center lines of the left fixing frame and the right fixing frame, the driving shaft is aligned with the middle position of the extrusion groove along the height direction of the extrusion groove, the driving end of the driving shaft can receive the driving of the power driving device, a circular turntable is coaxially and fixedly sleeved at the output end of the driving shaft, the turntable is located in the dumping port and is attached to the inner side plate, and a shifting lever which is axially parallel to the axial direction of the turntable is fixedly.

6. The automatic sprinkling member for promoting straw returning to the field according to claim 2, wherein: the conveying mechanism III comprises a driven roller III which is rotatably arranged on the mounting frame II, the driven roller III is provided with two driven rollers and is respectively positioned on one side of the mounting frame II, the axial direction of the driven roller III is parallel to the advancing direction of the advancing bracket, a conveying belt III which forms a closed circulation loop is arranged between the two driven rollers III in a winding manner, the input end of the conveying belt III and the opening of the pouring opening are positioned on the same side of the mounting frame II, the output end of the conveying belt III and the opening of the pouring opening are positioned on the opposite side of the mounting frame II, the conveying belt III is positioned below the conveying belt II, the input end of the conveying belt III is connected with the output end of the conveying belt II, a vertical mounting plate I which is upwards arranged is fixedly arranged on the mounting frame II, the mounting plate I and the outer side plate are mutually parallel and arranged at intervals, the conveying belt III is positioned, the inclined plate is positioned above the third conveying belt, and a pressing clamping opening which is gradually narrowed along the conveying direction of the third conveying belt is formed between the inclined plate and the third conveying belt;