CN109463141B

CN109463141B - Crop straw recycling equipment

Info

Publication number: CN109463141B
Application number: CN201811439068.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Jilin Rixin Clean Heating Technology Co ltd
Current assignee: Jilin Rixin clean heating technology Co.,Ltd.
Priority date: 2018-11-29
Filing date: 2018-11-29
Publication date: 2021-10-01
Anticipated expiration: 2038-11-29
Also published as: CN109463141A

Abstract

The invention belongs to the technical field of straw recycling equipment, and particularly relates to crop straw recycling equipment, which comprises a box body; a material cutting hob is arranged in the box body; a material pushing plate is arranged below the material cutting hob; the upper end of the material pushing plate is hinged with a steel plate; a first conveyor belt and a second conveyor belt are arranged in the box body; two ends of the second conveyor belt are connected with brackets, and threaded rods are connected to the brackets in a sliding manner; the threaded rod penetrates through the box body and is provided with a nut; the outer sides of the nuts are provided with tooth structures; rollers are arranged in the box body; the material shoveling plate is arranged on the roller, and a plurality of groups of material grinding modules are arranged above the roller; the material grinding module comprises a first grinding wheel, a second grinding wheel, a supporting rod and a cam; the first rotating shaft and the second rotating shaft synchronously rotate; the second rotating shaft is synchronously driven by a motor through a synchronous mechanism; according to the invention, the supporting rod is pushed to move by rotating the extrusion push block through the cam, so that the multiple groups of material grinding modules are parallel to each other and move when grinding the straw sections, and the efficiency of the grinding work of the straw sections is improved.

Description

Crop straw recycling equipment

Technical Field

The invention belongs to the technical field of straw recycling equipment, and particularly relates to crop straw recycling equipment.

Background

The straw is a general term of stem leaf (ear) part of mature crops. Typically refers to the remainder of the wheat, rice, corn, potatoes, oilseed rape, cotton, sugar cane and other crops (typically roughages) after harvesting the seed. More than half of the products of crop photosynthesis exist in the straws, and the straws are rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, and are a multipurpose renewable biological resource.

Nowadays, various circles of society advocate environmental protection, and China is used as a big agricultural country and pays more attention to environmental protection; in the rural area in the past, crop straw usually can not be recycled, so most peasants choose to burn on the spot, and is very big to environmental pollution, along with the development of society, advocate the present of environmental protection, various crop straw recycle equipment is more and more, smash still the field and be a numerous way of doing of benefit, but present straw recycle equipment is not high to the crushing degree of straw, smash still field efficiency lower, lead to still having the phenomenon that crop straw burns on the spot.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides crop straw recycling equipment which is mainly used for solving the problems of low straw crushing degree and low efficiency of crushing and returning to fields of the straw recycling equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to crop straw recycling equipment, which comprises a box body; the box body is U-shaped in cross section and is of a hollow structure, the left end of the box body is connected with a discharge pipeline, and the right end of the box body is connected with a feeding pipeline; the bottom surface of the feeding pipeline inclines towards the direction of the box body, a material cutting hob driven by a motor is arranged in the box body, and the material cutting hob is arranged at the joint of the box body of the feeding pipeline; a material pushing plate is arranged below the material cutting hob; the material pushing plate is driven by a first air cylinder, the lower end of the material pushing plate is in contact with the bottom in the box body, and the upper end of the material pushing plate is hinged with a steel plate; the other end of the steel plate is connected in a first sliding groove on the side wall of the box body in a sliding mode through a first sliding block; a first conveyor belt and a second conveyor belt are arranged on the top wall of the middle part in the box body; one end of the first conveyor belt is hinged to the box body, the other end of the first conveyor belt is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the second conveyor belt; two ends of the second conveyor belt are connected with brackets, and a second sliding groove is formed in each bracket; a second sliding block is connected in the second sliding groove in a sliding mode, and a threaded rod is hinged to the middle of the second sliding block; the upper part of the threaded rod penetrates through the box body and is vertically and upwards arranged, and two nuts are meshed and driven on the threaded rod; the nuts are fixed on the box body through a horizontally arranged supporting plate, the two nuts are rotatably connected to one end of the supporting plate through a ring groove formed in the middle of the two nuts, the outer sides of the two nuts are both provided with a toothed structure, and the rotating directions of internal threads of the two nuts are opposite; the left side of the bottom in the box body is provided with a roller connected through a rotating shaft; the material grinding device comprises two rollers, a plurality of material shoveling plates, a plurality of material grinding modules and a plurality of material conveying modules, wherein the two rollers are arranged in parallel, the plurality of material shoveling plates are uniformly distributed on the rollers, and the plurality of groups of material grinding modules are arranged above the rollers; the material grinding modules comprise a first grinding wheel, a second grinding wheel, a supporting rod and a cam, and a plurality of groups of material grinding modules are arranged in parallel; the first grinding wheel and the second grinding wheel are rotatably connected to the left end of the supporting rod, and a gap is reserved between the first grinding wheel and the second grinding wheel; the right end of the supporting rod penetrates through the box body and is arranged on the outer side of the box body, a push block is fixedly connected to the right end of the supporting rod, a first spring is sleeved on the right portion of the supporting rod, and the first spring is arranged between the push block and the box body; the cam is arranged on the right side of the push block, the cam is in contact with the push block, the cams are horizontally and fixedly connected to the first rotating shaft, one ends of the two adjacent cams, far away from the base circle of the cam, are arranged in a staggered mode, one ends of the cams, far away from the base circle of the cam, are provided with tooth-shaped structures, and one ends of the cams, far away from the base circle of the cam, are in meshing transmission with the nuts; the lower end of the first rotating shaft is vertically and rotatably connected to the box body, the upper end of the first rotating shaft is rotatably connected to the first fixing plate, and the first fixing plate is horizontally and fixedly connected to the box body; a second fixing plate is arranged at the upper part of the right side of the box body; a second vertical downward rotating shaft is arranged on the second fixing plate; the second rotating shaft and the first rotating shaft synchronously rotate through gear engagement, a driving wheel is arranged below the second rotating shaft, and the second rotating shaft and the driving wheel synchronously rotate through gear engagement; the transmission wheel is rotatably connected to the box body through a support frame, and the transmission wheel and the motor synchronously rotate through a synchronous belt;

when the straw cutting device works, the motor is started to rotate the material cutting hob, straws enter from the feeding pipeline, the inclined wall of the feeding pipeline is convenient for the straws to enter, and the straws are cut into sections by the material cutting hob; the straw sections fall below the box body, the first air cylinder drives the material pushing plate to push the straw sections to the material grinding module, and because the material cutting operation is continuously carried out, in order to ensure that the fallen straw sections cannot fall to the space behind the push plate due to the forward pushing of the push plate and further influence the working efficiency of the push plate, the upper end of the material pushing plate is hinged with a steel plate, the other end of the steel plate is connected in the box body in a sliding manner, so that the straw sections can fall to the front of the material pushing plate along the steel plate, the straw sections are pushed to the material grinding module by the material pushing plate, the continuous and stable operation is ensured, and the working efficiency of material pushing is improved; in the process that the material pushing plate pushes the straw sections to the material grinding module, the straw sections are conveyed through the rotation of the first conveying belt and the second conveying belt, and the conveying efficiency of the straw sections is improved; the straw sections are conveyed to the lower part of the material grinding module, the straw sections are upwards shoveled and conveyed into the material grinding module through the shoveling plate along with the rotation of the rollers, the straw sections are ground along with the rotation of the first grinding wheel and the second grinding wheel, and after passing through the plurality of groups of material grinding modules, the structure of the straw sections is damaged, so that the straw sections become soft and more convenient for the subsequent grinding work to be carried out, and the efficiency of the subsequent grinding work is improved; when the straw section is rolled by the material rolling module, the motor synchronously drives the driving wheel through the belt pulley, so that the gear on the driving wheel rotates the gear on the second rotating shaft along tangential meshing, the second rotating shaft rotates, the second rotating shaft and the first rotating shaft synchronously rotate through gear meshing, the first rotating shaft rotates to drive the cam to rotate, extrude and push the push block to push the supporting rod to move, and a plurality of groups of the first rolling wheel and the second rolling wheel are parallel to each other to move when the straw section is rolled, so that the effect of rolling and crushing the straw section is improved, the efficiency of rolling and working of the straw section is improved, the push block realizes the left and right movement of the supporting rod under the resilience action of the first spring, and the effect of rolling and crushing the straw section is further improved; along with the rotation of the cam, one end of the cam, which is far away from the base circle of the cam, is in meshing transmission with the nut, and the nut does not displace relative to the box body, so that a threaded rod meshed in an inner ring of the nut moves downwards, a second conveyor belt at the lower end of the threaded rod is pushed to press downwards, the friction force of the second conveyor belt on a straw section is increased, and the conveying efficiency of the second conveyor belt on the straw section is improved; because the inner ring threads of the two nuts are opposite in turning direction, each nut rotates along with the cam which is correspondingly contacted with the nut, the threaded rod is moved up and down, the second conveyor belt is pressed down intermittently to roll the straw sections for one time, and the efficiency of the straw section rolling work is improved; the straw after being rolled and crushed is sent to the crushing device from the discharging pipeline to be crushed and returned to the field on the next step, and the straw is rolled and crushed, so that the time for crushing and returning the straw to the field is shortened, and the working efficiency of crushing and returning the straw to the field is improved.

Preferably, a material shaking plate is arranged above the material cutting hob; one end of the material shaking plate is hinged in the box body, a torsional spring is arranged at the hinged position of the material shaking plate, and the other end of the material shaking plate is connected with a knife stone; the knife stone is contacted with the cutting hob; when the straw chopping machine works, straws continuously enter the box body and are cut into small sections by the material cutting hobbing cutter, and the straws are shaken by the arranged material shaking plate, so that the straws can uniformly enter the box body, the phenomenon that the material cutting hobbing cutter is blocked and is dead due to the fact that the straws are fed into the box body too much at one time is avoided, the stable operation of cutting is ensured, and the working efficiency of straw chopping and returning to the field is ensured; one end connected with a knife stone through the shaking plate is pressed down along with the gravity of the straw, the cutting hob is polished, the sharpness of the cutting hob is kept, the working stability of the cutting hob is further guaranteed, and the working efficiency of the cutting hob is improved.

Preferably, the first sliding block is a cylindrical sliding block; an arc groove is arranged in the first sliding groove; when the pushing plate works, the contact area between the sliding block and the inner wall of the sliding groove is reduced by the cylindrical sliding block, the friction force between the sliding block and the inner wall of the sliding groove is reduced, the service life of the sliding block is prolonged, the smoothness of the sliding of the steel plate is improved, and the working efficiency of pushing of the pushing plate is further ensured; and the cylindrical first sliding block rotates under the pulling of the steel plate in the sliding process, so that the steel plate shakes to a certain extent, and the arc groove arranged in the first sliding groove enables the contact surface of the first sliding groove and the first sliding block to be uneven, so that the arc groove effectively increases the shaking of the first sliding block, and the phenomenon that the straw sections are excessively accumulated above the material pushing plate to influence the material pushing efficiency of the material pushing plate is avoided.

Preferably, a first air bag is arranged above the first conveyor belt; the first air bag is fixed on the box body and is connected with an air storage tank through an air pipe, and the air storage tank is connected with the first air cylinder; when the conveyor belt mechanism works, the first conveyor belt swings along with the up-and-down movement of the second conveyor belt, and the first air bag is continuously extruded in the swinging process of the first conveyor belt; on the other hand, inflate the gas holder through extrusion gasbag No. one, make the atmospheric pressure of gas holder can satisfy the operating requirement of a cylinder, reduce the energy input for the utilization ratio of energy is higher.

Preferably, the roller is oval, and four elastic sheets are arranged below the roller; the elastic pieces are arc-shaped, the four elastic pieces are hinged end to end, the lower ends of the leftmost elastic piece and the rightmost elastic piece are fixed on the box body, and the hinged part of the middle two elastic pieces is also hinged with a second cylinder; a piston rod of the second cylinder is also sleeved with a second spring, and the second cylinder is arranged in a groove at the bottom of the box body; a second air bag is arranged below each of the two middle elastic sheets; the second air bag is connected with the second air cylinder through a hose; during operation, the shovel flitch on the oval gyro wheel rotates the in-process along with the gyro wheel and extrudes the shell fragment, makes the shell fragment extrude No. two gasbags to No. two cylinders of drive upwards ejecting with the shell fragment, utilize the ejecting cooperation gyro wheel of shell fragment to rotate upward pay-off, the pulling force of rethread No. two springs makes the shell fragment move back, realizes the reciprocal pay-off of shell fragment, further shortens the time of shovel material, has improved the efficiency of grinding the material.

Preferably, the first rolling wheel and the second rolling wheel are different in size, and a plurality of groups of the first rolling wheel and the second rolling wheel are arranged in a staggered mode from top to bottom; when the straw crushing machine works, the first grinding wheel and the second grinding wheel are different in size and surface linear velocity, so that the first grinding wheel and the second grinding wheel rub against each other in the process of extruding the straw sections, the surface of the straw sections is rolled, and the first grinding wheel and the second grinding wheel are matched to roll to achieve a certain crushing effect on the straw; through crisscross setting from the top down of a multiunit bull wheel and No. two bull wheels for the straw section can be fully rolled, further improves the quality of grinding material, has shortened follow-up crushing work's time, improves the work efficiency that crops were still field.

The invention has the following beneficial effects:

1. the straw conveying device conveys straw sections by the rotation of the first conveying belt and the second conveying belt, so that the conveying efficiency of the straw sections is improved; meanwhile, the threaded rod drives the second conveyor belt to press down, so that the friction force of the second conveyor belt to the straw section is increased, the conveying efficiency of the second conveyor belt to the straw section is improved, the straw section is rolled once in the pressing process of the second conveyor belt, and the efficiency of straw section grinding work is improved.

2. According to the invention, the straw sections are upwards shoveled and conveyed to the material grinding modules through the shoveling plates, after the straw sections pass through the multiple groups of material grinding modules, the structure of the straw sections is damaged, the straw sections become soft and more convenient for the subsequent grinding work, and the efficiency of the subsequent grinding work is improved.

3. According to the straw rolling and crushing device, the push block is extruded through the rotation of the cam to push the supporting rod to move, so that the multiple groups of material rolling modules are parallel to each other and move when rolling the straw sections, the effect of rolling and crushing the straw sections is improved, the efficiency of rolling work of the straw sections is improved, the push block moves left and right under the resilience action of the first spring, and the effect of rolling and crushing the straw sections is further improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

in the figure: the material grinding device comprises a box body 1, a material cutting hob 2, a material pushing plate 3, a steel plate 4, a first sliding block 5, a first sliding groove 6, a first conveying belt 7, a second conveying belt 8, a support 9, a threaded rod 10, a nut 11, a roller 12, a material shoveling plate 13, a material grinding module 14, a first grinding wheel 141, a second grinding wheel 142, a support rod 143, a cam 144, a pushing block 145, a first rotating shaft 146, a second rotating shaft 147, a driving wheel 148, a material shaking plate 15, a knife stone 16, a first air bag 17, an elastic sheet 18, a second air cylinder 19 and a second air bag 20.

Detailed Description

A crop straw recycling apparatus according to an embodiment of the present invention will be described below with reference to fig. 1 to 2.

As shown in figure 1, the crop straw recycling equipment comprises a box body 1; the section of the box body 1 is U-shaped, the box body 1 is of a hollow structure, the left end of the box body 1 is connected with a discharge pipeline, and the right end of the box body 1 is connected with a feeding pipeline; the bottom surface of the feeding pipeline inclines towards the direction of the box body 1, a material cutting hob 2 driven by a motor is arranged in the box body 1, and the material cutting hob 2 is arranged at the joint of the feeding pipeline box body 1; a material pushing plate 3 is arranged below the material cutting hob 2; the material pushing plate 3 is driven by a first cylinder, the lower end of the material pushing plate 3 is in contact with the bottom in the box body 1, and the upper end of the material pushing plate 3 is hinged with a steel plate 4; the other end of the steel plate 4 is slidably connected into a first sliding groove 6 on the side wall of the box body 1 through a first sliding block 5; a first conveyor belt 7 and a second conveyor belt 8 are arranged on the top wall of the middle part in the box body 1; one end of the first conveyor belt 7 is hinged to the box body 1, the other end of the first conveyor belt 7 is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the second conveyor belt 8; two ends of the second conveyor belt 8 are connected with brackets 9, and a second sliding groove is formed in each bracket 9; a second sliding block is connected in the second sliding groove in a sliding mode, and the middle of the second sliding block is hinged with a threaded rod 10; the upper part of the threaded rod 10 penetrates through the box body 1 and is vertically and upwards arranged, and two nuts 11 are meshed and driven on the threaded rod 10; the nuts 11 are fixed on the box body 1 through a horizontally arranged supporting plate, the two nuts 11 are rotatably connected to one end of the supporting plate through a ring groove formed in the middle of the two nuts 11, the outer sides of the two nuts 11 are both provided with a toothed structure, and the rotating directions of internal threads of the two nuts 11 are opposite; the left side of the bottom in the box body 1 is provided with a roller 12 connected through a rotating shaft; the two rollers 12 are arranged in parallel, the rollers 12 are provided with a plurality of uniformly distributed shoveling plates 13, and a plurality of groups of material grinding modules 14 are arranged above the rollers 12; the material grinding module 14 comprises a first grinding wheel 141, a second grinding wheel 142, a supporting rod 143 and a cam 144, and a plurality of groups of material grinding modules 14 are arranged in parallel; the first rolling wheel 141 and the second rolling wheel 142 are rotatably connected to the left end of the supporting rod 143, and a gap is reserved between the first rolling wheel 141 and the second rolling wheel 142; the right end of the supporting rod 143 penetrates through the box body 1 and is arranged on the outer side of the box body 1, a push block 145 is fixedly connected to the right end of the supporting rod 143, a first spring is sleeved on the right portion of the supporting rod 143, and the first spring is arranged between the push block 145 and the box body 1; the cams 144 are arranged on the right of the push block 145, the cams 144 are in contact with the push block 145, the cams 144 are horizontally and fixedly connected to a first rotating shaft 146, one ends of the two adjacent cams 144, which are far away from the base circle of the cams 144, are arranged in a staggered manner, one ends of the cams 144, which are far away from the base circle of the cams 144, are provided with tooth-shaped structures, and one ends of the cams 144, which are far away from the base circle of the cams 144, are in meshing transmission with the nuts 11; the lower end of the first rotating shaft 146 is vertically and rotatably connected to the box body 1, the upper end of the first rotating shaft 146 is rotatably connected to the first fixing plate, and the first fixing plate is horizontally and fixedly connected to the box body 1; a second fixing plate is arranged at the upper part of the right side of the box body 1; a second vertical downward rotating shaft 147 is arranged on the second fixing plate; the second rotating shaft 147 and the first rotating shaft 146 synchronously rotate through gear engagement, a driving wheel 148 is arranged below the second rotating shaft 147, and the second rotating shaft 147 and the driving wheel 148 synchronously rotate through gear engagement; the driving wheel 148 is rotatably connected to the box body 1 through a support frame, and the driving wheel 148 and the motor synchronously rotate through a synchronous belt;

when the straw cutting device works, the motor is started to rotate the material cutting hob 2, straws enter from the feeding pipeline, the inclined wall of the feeding pipeline is convenient for the straws to enter, and the straws are cut into sections by the material cutting hob 2; the straw sections fall below the box body 1, the first air cylinder drives the material pushing plate 3 to push the straw sections to the material grinding module 14, and because the material cutting work is continuously carried out, in order to ensure that the fallen straw sections cannot fall to the space behind the push plate due to the forward pushing of the push plate and further influence the working efficiency of the push plate, the steel plate 4 is hinged to the upper end of the material pushing plate 3, the other end of the steel plate 4 is connected in the box body 1 in a sliding mode, so that the straw sections can fall to the front of the material pushing plate 3 along the steel plate 4, the straw sections are pushed to the material grinding module 14 by the material pushing plate 3, the continuous and stable working is ensured, and the working efficiency of material pushing is improved; in the process that the material pushing plate 3 pushes the straw sections to the material grinding module 14, the straw sections are conveyed through the rotation of the first conveying belt 7 and the second conveying belt 8, and the conveying efficiency of the straw sections is improved; the straw sections are conveyed to the lower part of the material grinding module 14, the straw sections are upwards shoveled and conveyed into the material grinding module 14 through the shoveling plate 13 along with the rotation of the roller 12, the straw sections are ground along with the rotation of the first grinding wheel 141 and the second grinding wheel 142, and after passing through the multiple groups of material grinding modules 14, the structure of the straw sections is damaged, so that the straw sections become soft and more convenient for the subsequent grinding work, and the efficiency of the subsequent grinding work is improved; when the grinding module 14 grinds the straw sections, the motor synchronously drives the driving wheel 148 through the synchronous belt, so that the gear on the driving wheel 148 is meshed with and rotates the gear on the second rotating shaft 147 in a tangential direction, the second rotating shaft 147 rotates with the first rotating shaft 146 through the gear meshing, the first rotating shaft 146 rotates to drive the cam 144 to rotate and extrude the push block 145 to push the supporting rod 143 to move, and a plurality of groups of first grinding wheels 141 and second grinding wheels 142 are parallel to each other and move when grinding the straw sections, so that the grinding and crushing effects of the straw sections are improved, the grinding work efficiency of the straw sections is improved, the push block 145 realizes the left and right movement of the supporting rod 143 under the resilience effect of the first spring, and the grinding and crushing effects of the straw sections are further improved; along with the rotation of the cam 144, one end of the cam 144, which is far away from the base circle of the cam 144, is meshed with the nut 11 for transmission, and the nut 11 does not displace relative to the box body 1, so that the threaded rod 10 meshed in the inner ring of the nut 11 moves downwards, the second conveyor belt 8 at the lower end of the threaded rod 10 is pushed to press downwards, the friction force of the second conveyor belt 8 on the straw sections is increased, and the conveying efficiency of the second conveyor belt 8 on the straw sections is improved; because the inner ring threads of the two nuts 11 are opposite in turning direction, each nut 11 rotates along with the cam 144 correspondingly contacted with the nut, the threaded rod 10 is moved up and down, the second conveyor belt 8 is pressed down intermittently to roll the straw sections for one time, and the efficiency of the straw section grinding work is improved; the straw after being rolled and crushed is sent to the crushing device from the discharging pipeline to be crushed and returned to the field on the next step, and the straw is rolled and crushed, so that the time for crushing and returning the straw to the field is shortened, and the working efficiency of crushing and returning the straw to the field is improved.

As shown in fig. 1, a material shaking plate 15 is arranged above the material cutting hob 2; one end of the material shaking plate 15 is hinged in the box body 1, a torsional spring is arranged at the hinged position of the material shaking plate 15, and the other end of the material shaking plate 15 is connected with a knife stone 16; the knife stone 16 is contacted with the cutting hob 2; during working, the straws continuously enter the box body 1 and are cut into small sections by the material cutting hob 2, the straws are shaken by the arranged material shaking plate 15, so that the straws can uniformly enter the box body 1, the phenomenon that the material cutting hob 2 is blocked and is dead due to the fact that the straws are fed into the box body 1 too much at one time is avoided, the stable operation of cutting is ensured, and the working efficiency of straw crushing and returning to the field is ensured; even have the one end of whetstone 16 through trembling the flitch 15 and push down along with the gravity of straw, polish cutting material hobbing cutter 2, keep cutting material hobbing cutter 2's sharpness, further guaranteed cutting material hobbing cutter 2 job stabilization nature, improved cutting material hobbing cutter 2 and cut the work efficiency of material.

As shown in fig. 1, the first sliding block 5 is a cylindrical sliding block; an arc groove is arranged in the first sliding groove 6; when the push plate device works, the contact area between the sliding block and the inner wall of the sliding groove is reduced by the cylindrical sliding block, the friction force between the sliding block and the inner wall of the sliding groove is reduced, the service life of the sliding block is prolonged, the sliding smoothness of the steel plate 4 is improved, and the pushing work efficiency of the push plate 3 is further ensured; the cylindrical first sliding block 5 rotates under the pulling of the steel plate in the sliding process, so that the steel plate shakes to a certain extent, the contact surface between the first sliding groove and the first sliding block 5 6 is uneven due to the arc groove arranged in the first sliding groove 6, the shaking of the first sliding block 5 is effectively increased due to the arc groove, the straw sections are prevented from being excessively accumulated above the material pushing plate 3, and the material pushing efficiency of the material pushing plate 3 is influenced.

As shown in fig. 1, a first air bag 17 is arranged above the first conveyor belt 7; the first air bag 17 is fixed on the box body 1, the first air bag 17 is connected with an air storage tank through an air pipe, and the air storage tank is connected with the first air cylinder; when the automatic conveying device works, the first conveying belt 7 swings along with the up-and-down movement of the second conveying belt 8, the first air bag 17 is continuously extruded in the swinging process of the first conveying belt 7, on one hand, the first air bag 17 is extruded, so that the moving processes of the first conveying belt 7 and the second conveying belt 8 are buffered, the first conveying belt 7 and the second conveying belt 8 are prevented from being damaged due to long-time use, and the service lives of the first conveying belt 7 and the second conveying belt 8 are prolonged; on the other hand, inflate the gas holder through extrusion gasbag 17 No. one, make the atmospheric pressure of gas holder can satisfy the operating requirement of a cylinder, reduce the energy and drop into for the utilization ratio of energy is higher.

As shown in fig. 1 and 2, the roller 12 is oval, and four elastic sheets 18 are arranged below the roller 12; the elastic sheets 18 are arc-shaped, the four elastic sheets 18 are hinged end to end, the lower ends of the leftmost elastic sheet 18 and the rightmost elastic sheet 18 are fixed on the box body 1, and the hinged part of the two middle elastic sheets 18 is also hinged with a second cylinder 19; a piston rod of the second cylinder 19 is also sleeved with a second spring, and the second cylinder 19 is arranged in a groove at the bottom of the box body 1; a second air bag 20 is arranged below the middle two elastic sheets 18; the second air bag 20 is connected with the second air cylinder 19 through a hose; during operation, the shoveling plate 13 on the oval roller 12 extrudes the elastic sheet 18 along with the rotation of the roller 12, so that the elastic sheet 18 extrudes the second air bag 20, the second air cylinder 19 is driven to eject the elastic sheet 18 upwards, the ejection of the elastic sheet 18 is matched with the rotation of the roller 12 for feeding upwards, the elastic sheet 18 moves back through the tension of the second spring, the reciprocating feeding of the elastic sheet 18 is realized, the shoveling time is further shortened, and the material grinding efficiency is improved.

As shown in fig. 1, the first rolling wheel 141 and the second rolling wheel 142 have different sizes, and a plurality of sets of the first rolling wheel 141 and the second rolling wheel 142 are staggered from top to bottom; when the straw crushing machine works, the first rolling wheel 141 and the second rolling wheel 142 are different in size, so that the linear velocities of the surfaces of the first rolling wheel 141 and the second rolling wheel 142 are different, and the first rolling wheel 141 and the second rolling wheel 142 twist with each other in the process of extruding the straw sections again to realize the rolling of the surfaces of the straw sections, so that the first rolling wheel 141 and the second rolling wheel 142 are matched to roll to have a certain crushing effect on the straws; through the crisscross setting from the top down of multiunit rolling wheel 141 and No. two rolling wheels 142 for the straw section can be fully rolled, further improves the quality of grinding the material, has shortened the time of follow-up crushing work, improves the still work efficiency of crops field.

The specific working process is as follows:

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a crop straw recycle equipment, includes box (1), its characterized in that: the section of the box body (1) is U-shaped, the box body (1) is of a hollow structure, the left end of the box body (1) is connected with a discharge pipeline, and the right end of the box body (1) is connected with a feed pipeline; the bottom surface of the feeding pipeline inclines towards the direction of the box body (1), a material cutting hob (2) driven by a motor is arranged in the box body (1), and the material cutting hob (2) is arranged at the joint of the feeding pipeline and the box body (1); a material pushing plate (3) is arranged below the cutting hob (2); the material pushing plate (3) is driven by a first cylinder, the lower end of the material pushing plate (3) is in contact with the bottom in the box body (1), and the upper end of the material pushing plate (3) is hinged with a steel plate (4); the other end of the steel plate (4) is slidably connected into a first sliding groove (6) on the side wall of the box body (1) through a first sliding block (5); a first conveyor belt (7) and a second conveyor belt (8) are arranged on the top wall of the middle part in the box body (1); one end of the first conveyor belt (7) is hinged to the box body (1), the other end of the first conveyor belt (7) is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the second conveyor belt (8); two ends of the second conveyor belt (8) are connected with brackets (9), and a second sliding groove is formed in each bracket (9); a second sliding block is connected in the second sliding groove in a sliding mode, and a threaded rod (10) is hinged to the middle of the second sliding block; the upper part of the threaded rod (10) penetrates through the box body (1) and is vertically and upwards arranged, and two nuts (11) are meshed and driven on the threaded rod (10); the nuts (11) are fixed on the box body (1) through a horizontally arranged supporting plate, the two nuts (11) are rotatably connected to one end of the supporting plate through a ring groove formed in the middle of the two nuts (11), tooth-shaped structures are arranged on the outer sides of the two nuts (11), and the rotating directions of internal threads of the two nuts (11) are opposite; the left side of the bottom in the box body (1) is provided with a roller (12) connected through a rotating shaft; the two rollers (12) are arranged in parallel, a plurality of uniformly distributed shoveling plates (13) are arranged on the rollers (12), and a plurality of groups of material grinding modules (14) are arranged above the rollers (12); the material grinding modules (14) comprise a first grinding wheel (141), a second grinding wheel (142), a supporting rod (143) and a cam (144), and the multiple groups of material grinding modules (14) are arranged in parallel; the first rolling wheel (141) and the second rolling wheel (142) are rotatably connected to the left end of the supporting rod (143), and a gap is reserved between the first rolling wheel (141) and the second rolling wheel (142); the right end of the supporting rod (143) penetrates through the box body (1) and is arranged on the outer side of the box body (1), the right end of the supporting rod (143) is fixedly connected with a push block (145), the right part of the supporting rod (143) is sleeved with a first spring, and the first spring is arranged between the push block (145) and the box body (1); the cam (144) is arranged on the right side of the push block (145), the cam (144) is in contact with the push block (145), the cam (144) is horizontally and fixedly connected to the first rotating shaft (146), one ends, far away from the base circle of the cam (144), of the two adjacent cams (144) are arranged in a staggered mode, a tooth-shaped structure is arranged at one end, far away from the base circle of the cam (144), and one end, far away from the base circle of the cam (144), of the cam (144) is in meshing transmission with the nut (11); the lower end of the first rotating shaft (146) is vertically and rotatably connected to the box body (1), the upper end of the first rotating shaft (146) is rotatably connected to the first fixing plate, and the first fixing plate is horizontally and fixedly connected to the box body (1); a second fixing plate is arranged at the upper part of the right side of the box body (1); a second vertical downward rotating shaft (147) is arranged on the second fixing plate; the second rotating shaft (147) and the first rotating shaft (146) synchronously rotate through gear engagement, a driving wheel (148) is arranged below the second rotating shaft (147), and the second rotating shaft (147) and the driving wheel (148) synchronously rotate through gear engagement; the transmission wheel (148) is rotatably connected to the box body (1) through a support frame, and the transmission wheel (148) and the motor synchronously rotate through a synchronous belt.

2. The crop straw recycling device of claim 1, wherein: a material shaking plate (15) is arranged above the cutting hob (2); one end of the material shaking plate (15) is hinged in the box body (1), a torsion spring is arranged at the hinged position of the material shaking plate (15), and the other end of the material shaking plate (15) is connected with a knife stone (16); the knife stone (16) is contacted with the cutting hob (2).

3. The crop straw recycling device of claim 1, wherein: the first sliding block (5) is a cylindrical sliding block; an arc groove is arranged in the first sliding groove (6).

4. The crop straw recycling device of claim 1, wherein: a first air bag (17) is arranged above the first conveyor belt (7); the first air bag (17) is fixed on the box body (1), the first air bag (17) is connected with an air storage tank through an air pipe, and the air storage tank is connected with a first air cylinder.

5. The crop straw recycling device of claim 1, wherein: the roller (12) is oval, and four elastic sheets (18) are arranged below the roller (12); the elastic sheets (18) are arc-shaped, the four elastic sheets (18) are hinged end to end, the lower ends of the leftmost elastic sheet (18) and the rightmost elastic sheet (18) are fixed on the box body (1), and the hinged part of the middle two elastic sheets (18) is also hinged with a second cylinder (19); a piston rod of the second cylinder (19) is also sleeved with a second spring, and the second cylinder (19) is arranged in a groove at the bottom of the box body (1); a second air bag (20) is arranged below the two middle elastic sheets (18); the second air bag (20) is connected with the second air cylinder (19) through a hose.

6. The crop straw recycling device of claim 1, wherein: the first rolling wheel (141) and the second rolling wheel (142) are different in size, and the multiple groups of the first rolling wheel (141) and the second rolling wheel (142) are arranged in a staggered mode from top to bottom.