CN112825683B - Corn thresher - Google Patents

Abstract

The invention discloses a corn thresher which comprises a box body, wherein partition plates are bolted on the right sides of the top and the bottom of an inner cavity of the box body, a fixed cover is bolted on the top of the box body, a control box is bolted on the top of the fixed cover, and a rotating mechanism is arranged in the inner cavity of the fixed cover. The invention is convenient for a user to quickly convey fresh corns to the surface of the soft plastic by using the first motor through the matching of the first motor, the driving wheel, the driven wheel, the first worm wheel, the conveying shaft, the control rod, the connecting piece, the sleeve and the soft plastic, and the size of the corns is quickly calculated through the matching of the electronic measuring device and the spring.

Description

Corn thresher

Technical Field

The invention relates to the technical field of threshing machines, in particular to a corn threshing machine.

Background

The thresher is a harvesting machine, which can separate crop seeds from stalks, mainly refers to a harvesting machine of grain crops, and has different types according to different grains, such as a rice thresher suitable for rice threshing; the threshing machine is commonly called as a threshing machine, is the most common rice threshing machine, and is used for harvesting rice and separating rice grains from stalks through the threshing machine, wherein the threshing machine is divided into two types, one type is driven by manpower and is called as a manpower threshing machine and is a semi-mechanized tool; the rice thresher driven by power is called as a power rice thresher, so that the rice thresher greatly reduces the labor intensity of rice harvesting and improves the agricultural productivity at the same time.

However, traditional corn thresher is when threshing bright maize, can't keep the integrality after the corn grain threshes, can influence user's normal use, simultaneously to the threshing effect of bright maize poor, can't calculate the size of bright maize fast, thereby can't come the size of independently adjusting the blade according to the size of bright maize, and then can't carry out accurate threshing to bright maize, very big reduction the work efficiency of equipment, the user has to do over again in a large number to it, very big reduction user's work efficiency.

Therefore, there is a need to design a corn thresher to solve the above problems.

Disclosure of Invention

The invention aims to provide a corn thresher to solve the problems that the size of fresh corn cannot be calculated quickly by a traditional corn thresher in the background technology, so that the size of a blade cannot be adjusted automatically according to the size of the fresh corn, and the fresh corn cannot be threshed accurately.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a corn thresher, includes the box, the equal bolt in right side of box inner chamber top and bottom has the baffle, the top bolt of box has fixed cover, the top bolt of fixed cover has the control box, the inner chamber of fixed cover is provided with rotary mechanism, rotary mechanism's bottom runs through to the inner chamber of box, the inner chamber of box is provided with threshing mechanism, the feed inlet has been seted up in the positive left side of box, and the inner chamber of feed inlet inlays and is equipped with fixed frame, the positive bottom bolt of fixed frame has the conveying frame, the back bolt of conveying frame bottom has quick-witted case, the bottom bolt of machine case inner chamber has conveying motor, conveying motor's output runs through quick-witted case and bolt has the main belt pulley, one side that conveying motor was kept away from to main belt pulley is connected with vice belt pulley through belt drive, the inner chamber bolt of vice belt pulley has the pivot, the back of conveying frame inner chamber both sides all inlays and is equipped with primary shaft, and the inner circle of primary shaft and the surface bolt of surface of pivot, the both sides of conveying frame inner chamber all loop through the second bearing in the past after to be connected with the surface drive of pivot, the left surface intercommunication has the discharging pipe, the box bottom communicates there is the box bottom has the left bearing frame and is connected with the bearing frame, the left bearing frame top intercommunication has the discharge chute.

Preferably, rotary mechanism includes first motor, action wheel, follows driving wheel, first worm wheel, conveying axle, control lever, connecting piece, sleeve and software plastics, the right side bolt at box top has connected first motor, the output end bolt of first motor has connected the action wheel, the surface of action wheel is connected with from the driving wheel through belt transmission, the bearing frame has all been inlayed at the positive top at the back of support frame inner chamber, and the inner chamber of bearing frame rotates and is connected with first worm, the both sides of first worm all mesh in the past to the back in proper order has first worm wheel, the inner chamber bolt of first worm wheel has connected the conveying axle, the surface of conveying axle rotates through the third bearing and is connected with the sleeve, the connecting piece has all been welded at the positive top at the back of sleeve, the positive both sides at support frame inner chamber top all been bolted has been bolted the control lever, the back of control lever run through the connecting piece and with the top bolt at the support frame inner chamber back, the positive and the back all seted up logical groove all around of support frame inner chamber bottom, telescopic bottom runs through the sleeve and the cover is equipped with software plastics.

Preferably, threshing mechanism includes clipper motor, first belt pulley, second worm wheel, rotation axis, fixed disk, blade hole controller, slide, movable rod, blade and knife tip, the front bolt on box inner chamber bottom right side has the clipper motor, the output end bolt of clipper motor has first belt pulley, the surface of first belt pulley is connected with the second belt pulley through belt drive, the inner chamber bolt of second belt pulley has the second worm, the front and the back of second worm all are connected with the mounting panel through the bearing rotation, and the mounting panel keeps away from one side of second worm and box inner chamber's front and back bolt, the meshing of the surface of second worm has the second worm wheel, the left side bolt of second worm wheel has the rotation axis, the surface of rotation axis runs through to the left side of baffle through the fourth bearing and the bolt has the fixed disk, the left side swing joint of fixed disk has blade hole controller, the slide has all been seted up all around to the blade hole controller, the inner chamber of slide is connected with the movable rod, the right side of movable rod and the movable rod of knife tip all have the fixed disk all through the welding of left side of blade around the movable blade, the left side department is connected with the fixed disk.

Preferably, the two sides of the bottom of the inner cavity of the support frame are bolted with baffle plates, the opposite sides of the baffle plates are sequentially bolted with electronic measuring devices from front to back, the bottom of the outer side of the sleeve is bolted with a spring, and one side of the spring, which is far away from the sleeve, is bolted with the opposite side of the baffle plates.

Preferably, the fixing parts are bolted at the centers of the front surface and the back surface of the top of the supporting frame, and the engine oil adding pipe is clamped in the inner cavities of the fixing parts.

Preferably, the bottom bolt threaded rod of conveying axle, the surperficial threaded connection of threaded rod has the thread bush, the top of thread bush and the bottom swing joint of software plastics, the surface integrated into one piece of software plastics has protruding grain, the software plastics are hourglass form.

Preferably, the left side bolt of bottom of the box has the air-blower, the gas outlet of air-blower runs through to the inner chamber of box through the pipeline, and the pipeline is located the right side of discharging pipe.

Preferably, the blade is L-shaped, and the blade tip is arc-shaped.

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

1. the corn thresher is characterized in that through the cooperation of a first motor, a driving wheel, a driven wheel, a first worm gear, a transmission shaft, a control rod, a connecting piece, a sleeve and soft plastics, a user can conveniently and quickly transmit fresh corn to the surface of the soft plastics by using the first motor, and can also quickly transmit corn cobs after threshing, so that the working efficiency of the equipment is improved, through the cooperation of an electronic measuring device and a spring, when the corn passes through the soft plastics, the corn transmission shaft is forced open to compress the spring, so that the user can conveniently and quickly calculate the size of the corn by using the compressed distance of the spring by using the electronic measuring device arranged on the spring, and through the cooperation of a cutter motor, a first belt pulley, a second worm gear, a rotating shaft, a fixed disk, a blade hole controller, a slide way, a movable rod, a blade and a cutter point, the user utilizes the arc knife tip of more than three to constitute the blade hole, when the blade is rotatory at a high speed, receive centrifugal force's influence, the blade hole reduces, when bright maize passes through the blade hole, the blade hole is forced open by the maize, thereby the blade hole remains throughout to match with the size of maize, simultaneously when electronic measuring device calculates the arm distance that the size of bright maize surpassed blade L shape, automatic rotatory blade hole controller, thereby change the limit distance of blade L shape arm distance, and then make the blade come the size of autonomic regulation according to the size of bright maize, thereby can reach the purpose of accurate threshing, the size of the unable fast calculation bright maize of traditional corn thresher has been solved, thereby can't come the size of autonomic regulation blade according to the size of bright maize, and then can't carry out the problem of accurate threshing to bright maize.

2. This corn thresher passes through the cooperation of mounting, and the person of being convenient for use fixes adding the machine oil pipe, and through the cooperation that adds the machine oil pipe, the person of being convenient for use guarantees the unimpeded operation of bearing frame and first worm, and through the cooperation of threaded rod and thread bush, it is spacing to software plastics to be convenient for, can be to software plastics quick replacement simultaneously, and surface integrated into one piece through software plastics has protruding grain and software plastics to be the hourglass form, has improved the spacing effect of software plastics to bright maize, and then has improved the effect of threshing of equipment.

3. This corn thresher passes through the cooperation of air-blower, and the person of being convenient for will thresh corn silk in the kernel of corn blow away, has improved the purity of kernel of corn, and the shape through the blade is the L type, the shape of knife tip is the arc, is convenient for constitute the blade hole by the arc knife tip more than three to thresh to bright maize accurately.

Drawings

FIG. 1 is a front view of a corn thresher in accordance with the present invention;

FIG. 2 is a left side sectional view of the structure of the fixing cover of the present invention;

fig. 3 is a perspective view of the threshing mechanism of the present invention;

FIG. 4 is a cross-sectional view of the structure of the enclosure and the transfer rack of the present invention;

fig. 5 is a front view of the threaded rod, threaded sleeve and sleeve of the present invention.

In the figure: 1. a box body; 2. a fixed cover; 3. a control box; 4. a fixing frame; 5. a transfer frame; 6. a rotation mechanism; 61. a first motor; 62. a driving wheel; 63. a driven wheel; 64. a first worm; 65. a first worm gear; 66. a transfer shaft; 67. a control lever; 68. a connecting member; 69. a sleeve; 610. soft plastic; 7. a partition plate; 8. an engine oil adding pipe; 9. an electronic measuring device; 10. a spring; 11. a discharge pipe; 12. a threaded sleeve; 13. a discharge chute; 14. a chassis; 15. a transfer motor; 16. a primary pulley; 17. a secondary pulley; 18. a rotating shaft; 19. a blower; 20. a threshing mechanism; 201. a sharpener motor; 202. a first pulley; 203. a second pulley; 204. a second worm; 205. a second worm gear; 206. a rotating shaft; 207. fixing the disc; 208. a blade hole controller; 209. a slideway; 210. a movable rod; 211. a blade; 212. a knife tip; 21. a threaded rod; 22. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown:

a corn thresher comprises a box body 1, a partition plate 7 is bolted on the top of the inner cavity of the box body 1 and the right side of the bottom of the inner cavity of the box body 1, a fixed cover 2 is bolted on the top of the box body 1, a control box 3 is bolted on the top of the fixed cover 2, a rotating mechanism 6 is arranged in the inner cavity of the fixed cover 2, the bottom of the rotating mechanism 6 penetrates through the inner cavity of the box body 1, a threshing mechanism 20 is arranged in the inner cavity of the box body 1, a feed inlet is arranged on the left side of the front surface of the box body 1, a fixed frame 4 is embedded in the inner cavity of the feed inlet, a transmission frame 5 is bolted on the bottom of the front surface of the fixed frame 4, a machine box 14 is bolted on the back surface of the bottom of the transmission frame 5, a transmission motor 15 is bolted on the bottom of the inner cavity of the machine box 14, an output end of the transmission motor 15 penetrates through the machine box 14 and is bolted with a main belt pulley 16, one side of the main belt pulley 16, which is far away from the transmission motor 15 is connected with an auxiliary belt pulley 17 through belt transmission, an inner cavity of the auxiliary belt pulley 18, the back surfaces of two sides of the inner cavity of the conveying frame 5 are embedded with first bearings, inner rings of the first bearings are bolted with the surface of the rotating shaft 18, two sides of the inner cavity of the conveying frame 5 are sequentially connected with a carrier roller through the rotation of a second bearing from front to back, the surface of the rotating shaft 18 is in transmission connection with the surface of the carrier roller through a conveying belt, the bottom of the left side of the box body 1 is communicated with a discharge pipe 11, the bottom of the left side of the back of the box body 1 is communicated with a discharge chute 13, the left side of the front surface of the top of the box body 1 is bolted with a support frame 22, and a user can utilize the first motor 61, the driving wheel 62, the driven wheel 63, the first worm 64, the first worm wheel 65, the conveying shaft 66, the control rod 67, the connecting piece 68, the sleeve 69 and the soft plastic 610 to be matched with each other, so that the fresh corn can be quickly conveyed to the surface of the soft plastic 610 through the first motor 61, and the corn rods after threshing can be quickly conveyed at the same time, thereby improving the working efficiency of the equipment, through the cooperation of the electronic measuring device 9 and the spring 10, when the corn passes through the soft plastic 610, the corn conveying shaft 66 is forced open, thereby compressing the spring 10, and further facilitating a user to utilize the electronic measuring device 9 arranged on the spring 10 to compress the spring 10, thereby rapidly calculating the size of the corn, through the cooperation of the sharpener motor 201, the first belt pulley 202, the second belt pulley 203, the second worm 204, the second worm wheel 205, the rotating shaft 206, the fixed disc 207, the blade hole controller 208, the slideway 209, the movable rod 210, the blade 211 and the knife tip 212, the user utilizes more than three arc-shaped knife tips 212 to form a blade hole, when the blade 211 rotates at a high speed, under the influence of centrifugal force, the blade hole dwindles, when bright maize through the blade hole, the blade hole is forced open by the maize, thereby the blade hole remains throughout to match with the size of maize, simultaneously when the size that electron measuring device 9 calculated bright maize surpasss the arm distance of blade 211L shape, automatic rotating blade hole controller 208, thereby change the limit distance of blade 211L shape arm distance, and then make blade 211 can come the independent regulation size according to the size of bright maize, thereby can reach the purpose of accurate threshing, the size that traditional corn thresher can't calculate bright maize fast has been solved, thereby can't come the size of independent regulation blade according to the size of bright maize, and then can't carry out the problem of accurate threshing to bright maize.

The rotating mechanism 6 comprises a first motor 61, a driving wheel 62, a driven wheel 63, a first worm 64, a first worm wheel 65, a transmission shaft 66, a control rod 67, a connecting piece 68, a sleeve 69 and soft plastic 610, the first motor 61 is bolted on the right side of the top of the box body 1, the driving wheel 62 is bolted on the output end of the first motor 61, the driven wheel 63 is connected on the surface of the driving wheel 62 through belt transmission, bearing seats are embedded on the top of the front and back of the inner cavity of the support frame 22, the inner cavity of each bearing seat is rotatably connected with the first worm 64, the first worm wheel 65 is sequentially meshed on the two sides of the first worm 64 from front to back, the transmission shaft 66 is bolted on the inner cavity of the first worm wheel 65, the sleeve 69 is rotatably connected on the surface of the transmission shaft 66 through a third bearing, and the connecting piece 68 is welded on the top of the front and back of the sleeve 69, control rods 67 are bolted on two sides of the top of the front face of the inner cavity of the support frame 22, the back face of each control rod 67 penetrates through the connecting piece 68 and is bolted with the top of the back face of the inner cavity of the support frame 22, through grooves are formed in the periphery of the front face and the back face of the bottom of the inner cavity of the support frame 22, the bottom of the sleeve 69 penetrates through the sleeve 69 and is sleeved with soft plastic 610, and the fresh corn is quickly conveyed to the surface of the soft plastic 610 by the aid of the first motor 61 through the first motor 61, the driving wheel 62, the driven wheel 63, the first worm 64, the first worm wheel 65, the conveying shaft 66, the control rods 67, the connecting pieces 68 and the sleeve 69 and the soft plastic 610 in a matched mode.

The threshing mechanism 20 comprises a cutter motor 201, a first belt pulley 202, a second belt pulley 203, a second worm 204, a second worm wheel 205, a rotating shaft 206, a fixed disc 207, a blade hole controller 208, a slideway 209, a movable rod 210, a blade 211 and a cutter point 212, the cutter motor 201 is bolted on the front side of the right side of the bottom of the inner cavity of the box body 1, the first belt pulley 202 is bolted on the output end of the cutter motor 201, the second belt pulley 203 is connected on the surface of the first belt pulley 202 through belt transmission, the second worm 204 is bolted on the inner cavity of the second belt pulley 203, the mounting plates are rotatably connected on the front side and the back side of the second worm 204 through bearings, one side of the mounting plate far away from the second worm 204 is bolted on the front side and the back side of the inner cavity of the box body 1, the second worm wheel 205 is meshed on the surface of the second worm 204, the rotating shaft 206 is bolted on the left side of the second worm wheel 205, the surface of the rotating shaft 206 penetrates to the left side of the partition board 7 through a fourth bearing and is bolted with a fixed disc 207, the left side of the fixed disc 207 is movably connected with a blade hole controller 208, the peripheries of the left sides of the blade hole controllers 208 are all provided with slideways 209, the inner cavities of the slideways 209 are connected with movable rods 210 in a sliding manner, the right sides of the movable rods 210 are bolted with the left side of the fixed disc 207, the peripheries of the center of the left side of the fixed disc 207 are all movably connected with blades 211 through movable pieces, the left sides of the blades 211 are welded with blade tips 212, and through the matching of a cutting motor 201, a first belt pulley 202, a second belt pulley 203, a second worm 204, a second worm wheel 205, the rotating shaft 206, the fixed disc 207, the blade hole controllers 208, the slideways 209, the movable rods 210, the blades 211 and the blade tips 212, a user forms blade holes by utilizing more than three arc-shaped blade tips 212, when the blades 211 rotate at a high speed, the blade holes are reduced by the centrifugal force, when fresh corn passes through the blade holes, the blade hole is forced open by the maize to the blade hole remains throughout to match with the size of maize, and when electron measuring device 9 calculated that the size of bright maize surpassed the arm distance of blade 211L shape simultaneously, automatic rotatory blade hole controller 208 to change the limit distance of blade 211L shape arm distance, and then make blade 211 can come the independent size regulation according to the size of bright maize, thereby can reach the purpose of accurate threshing.

The equal bolt in both sides of support frame 22 inner chamber bottom has the baffle, and the baffle one side in opposite directions all has bolted electronic measurement device 9 in proper order from the past to the back, the bottom bolt in the sleeve 69 outside has spring 10, one side that sleeve 69 was kept away from to spring 10 and the baffle one side bolt in opposite directions, cooperation through electronic measurement device 9 and spring 10, when the maize was through software plastics 610, maize conveying shaft 66 was forced open, thereby compress spring 10, and then convenient to use person utilizes the electronic measurement device 9 that is equipped with on the spring 10 to the distance that spring 10 compressed, thereby calculate the size of maize fast.

The equal bolt in center department at the front and the back in support frame 22 top has the mounting, and the inner chamber joint of mounting has with machine oil pipe 8, and through the cooperation of mounting, convenient to use person fixes adding machine oil pipe 8, and through the cooperation that adds machine oil pipe 8, convenient to use person guarantees the unimpeded operation of bearing frame and first worm 64.

The bottom bolt of conveying axle 66 has threaded rod 21, the surperficial threaded connection of threaded rod 21 has thread bush 12, the top of thread bush 12 and the bottom swing joint of software plastics 610, the surface integrated into one piece of software plastics 610 has protruding grain, software plastics 610 is hourglass form, cooperation through threaded rod 21 and thread bush 12, be convenient for carry on spacingly to software plastics 610, can be to software plastics 610 quick replacement simultaneously, there is protruding grain and software plastics 610 to be hourglass form through the surface integrated into one piece of software plastics 610, the spacing effect of software plastics 610 to the fresh corn has been improved, and then the threshing performance of equipment has been improved.

The left side bolt of box 1 bottom has connect air-blower 19, and the gas outlet of air-blower 19 runs through to the inner chamber of box 1 through the pipeline, and the pipeline is located the right side of discharging pipe 11, and through air-blower 19's cooperation, convenient to use person blows off the corn silk in the kernel of corn after will threshing, has improved the purity of kernel of corn.

The shape of the blade 211 is L-shaped, the shape of the knife tip 212 is arc-shaped, the shape of the knife tip 212 is L-shaped, and the shape of the knife tip 212 is arc-shaped, so that a blade hole is formed by more than three arc-shaped knife tips 212 conveniently, and fresh corn can be threshed accurately.

The working principle is as follows: when the corn harvester is used, a user turns on the transmission motor 15 through the control box 3, the transmission motor 15 drives the main belt pulley 16 to rotate so as to drive the auxiliary belt pulley 17 to rotate, then the auxiliary belt pulley 17 drives the rotating shaft 18 to rotate, meanwhile, with the assistance of the carrier roller, the transmission belt is driven to transmit, so that fresh corn is transmitted into the box body 1 through the feeding hole, the control box 3 controls the first motor 61 to turn on, at the moment, the first motor 61 drives the driving wheel 62 to rotate so as to drive the driven wheel 63 to rotate, then the driven wheel 63 drives the first worm 64 to rotate, at the same time, the first worm 64 simultaneously drives eight groups of first worm wheels 65 to rotate so as to drive the transmission shaft 66 to rotate, then the transmission shaft 66 drives the soft plastic 610 to rotate, at the moment, the soft plastic 610 transmits corn, and at the same time, when the corn passes through the soft plastic 610, the corn drives the transmission shaft 66 to open, thereby driving the sleeve 69 to compress the spring 10 outwards, at the moment, the user utilizes the electronic measuring device 9 arranged on the spring 10 to compress the spring 10, thereby rapidly calculating the size of the corn, simultaneously the control box 3 starts the cutter motor 201 to start, at the moment, the cutter motor 201 drives the first belt pulley 202 to rotate, thereby driving the second belt pulley 203 to rotate, then the second belt pulley 203 drives the second worm wheel 205 to rotate through the second worm 204, at the same time, the second worm wheel 205 drives the fixed disc 207 to rotate through the rotating shaft 206, thereby driving the blade 211 to operate at high speed, at the same time, more than three arc-shaped cutter points 212 are utilized to form a blade hole, when the blade 211 rotates at high speed, the blade hole is reduced under the influence of centrifugal force, when the fresh corn passes through the blade hole, the blade hole is forced to open by the corn, thereby the blade hole remains throughout to match with the size of maize, simultaneously when the size that electron measuring device 9 calculated bright maize surpassed the arm distance of blade 211L shape, automatic rotatory blade hole controller 208, thereby change the limit distance of blade 211L shape arm distance, and then make blade 211 can come the independent size of adjusting according to the size of bright maize, thereby can reach the purpose of accurate threshing, the kernel of corn is discharged fast via discharging pipe 11 afterwards, air-blower 19 blows away the corn silk in the kernel of corn after threshing this moment, the purity of kernel of corn has been improved, simultaneously convey the corn-on-cob after threshing under the assistance of conveying shaft 66 and discharge to blown out of blown groove 13.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a corn thresher, includes box (1), its characterized in that: the inner cavity top and the right side of the bottom of the box body (1) are respectively bolted with a partition plate (7), the top of the box body (1) is bolted with a fixed cover (2), the top of the fixed cover (2) is bolted with a control box (3), the inner cavity of the fixed cover (2) is provided with a rotating mechanism (6), the bottom of the rotating mechanism (6) penetrates through the inner cavity of the box body (1), the inner cavity of the box body (1) is provided with a threshing mechanism (20), the front left side of the box body (1) is provided with a feed inlet, the inner cavity of the feed inlet is embedded with a fixed frame (4), the front bottom of the fixed frame (4) is bolted with a transmission frame (5), the back of the bottom of the transmission frame (5) is bolted with a case (14), the bottom of the inner cavity of the case (14) is bolted with a transmission motor (15), the output end of the transmission motor (15) penetrates through the case (14) and is bolted with a main belt pulley (16), one side of the main belt pulley (16) far away from the transmission motor (15) is connected with an auxiliary belt pulley (17) through a transmission belt, the auxiliary belt pulley (17) is connected with a rotating shaft (18), the inner cavity (5), the inner cavity of the transmission belt pulley (17) is arranged on the inner cavity, the inner cavity of the main belt pulley (5), the inner cavity of the main belt pulley (16), the bearing frame (5) and the bearing frame (18) and the bearing support roller (18) and the inner bearing support roller (18 are respectively arranged on two sides, the two sides of the inner cavity of the inner bearing support roller (5) and the inner bearing support roller (18) and the inner bearing support roller (5) respectively connected with a first bearing support roller (5) in turn through the inner bearing support roller (18), the surface of the rotating shaft (18) is in transmission connection with the surface of the carrier roller through a conveyor belt, the bottom of the left side of the box body (1) is communicated with a discharge pipe (11), the bottom of the left side of the back of the box body (1) is communicated with a discharge groove (13), and the left side of the front of the top of the box body (1) is bolted with a support frame (22);

the threshing mechanism (20) comprises a cutter motor (201), a first belt pulley (202), a second belt pulley (203), a second worm (204), a second worm wheel (205), a rotating shaft (206), a fixed disc (207), a blade hole controller (208), a slide way (209), a movable rod (210), a blade (211) and a cutter nose (212), the cutter motor (201) is bolted on the front side of the bottom of an inner cavity of the box body (1), the output end of the cutter motor (201) is bolted with the first belt pulley (202), the surface of the first belt pulley (202) is connected with the second belt pulley (203) through belt transmission, the inner cavity of the second belt pulley (203) is bolted with the second worm (204), the front side and the back side of the second worm (204) are connected with a mounting plate through bearing rotation, one side of the mounting plate far away from the second worm (204) is connected with the front side and the back side of the inner cavity of the box body (1), the surface of the second worm wheel (204) is meshed with the second worm (205), the left side of the second worm wheel (205) is bolted with a rotating shaft (206), the movable shaft (206) penetrates through the bearing hole (207) and controls the fixed disc (207), and the movable blade hole (207) and the movable plate (7), slide (209) have all been seted up all around to blade hole controller (208) left side, the inner chamber sliding connection of slide (209) has movable rod (210), the right side of movable rod (210) and the left side bolt joint of fixed disk (207), all there is blade (211) all through moving part swing joint all around fixed disk (207) left side center department, the left side welding of blade (211) has knife tip (212).

2. The corn thresher of claim 1, wherein: the rotating mechanism (6) comprises a first motor (61), a driving wheel (62), a driven wheel (63), a first worm (64), a first worm wheel (65), a transmission shaft (66), a control rod (67), a connecting piece (68), a sleeve (69) and soft plastic (610), the right side of the top of the box body (1) is bolted with the first motor (61), the output end of the first motor (61) is bolted with the driving wheel (62), the surface of the driving wheel (62) is connected with the driven wheel (63) through belt transmission, the tops of the front surface and the back surface of the inner cavity of the support frame (22) are respectively embedded with a bearing seat, the inner cavity of the bearing seat is rotatably connected with the first worm (64), the two sides of the first worm (64) are respectively meshed with the first worm wheel (65) from front to back in sequence, the inner cavity of the first worm wheel (65) is bolted with the transmission shaft (66), the surface of the transmission shaft (66) is rotatably connected with the sleeve (69) through a third bearing, the connecting pieces (68) are arranged on the tops of the front surface and the back surface of the front surface of the sleeve (69), the control rod (67) is connected with the connecting piece (22) through the inner cavity (67), and the support frame (22) and the bottom of the inner cavity (67) is welded with the through groove (22), the bottom of sleeve (69) runs through logical groove and downwardly extending, the bottom of conveying axle (66) runs through sleeve (69) and is equipped with software plastics (610).

3. The corn thresher of claim 2, wherein: the both sides of support frame (22) inner chamber bottom all are bolted to have the baffle, and the baffle one side in opposite directions all is bolted to have electronic measurement device (9) in proper order from the past to the back, the bottom bolt in the sleeve (69) outside has spring (10), one side and the baffle one side bolt in opposite directions that sleeve (69) were kept away from in spring (10), electronic measurement device (9) measure the distance that spring (10) compressed.

4. The corn thresher of claim 1, wherein: the center department at the front and the back in support frame (22) top all is bolted connection to have the mounting, and the inner chamber joint of mounting has with machine oil pipe (8).

5. The corn thresher of claim 2, wherein: the bottom bolt of conveying axle (66) has threaded rod (21), the surperficial threaded connection of threaded rod (21) has thread bush (12), the top of thread bush (12) and the bottom swing joint of software plastics (610), the surface integrated into one piece of software plastics (610) has protruding grain, software plastics (610) are hourglass form.

6. A corn thresher according to claim 1, wherein: the left side bolt of box (1) bottom has connect air-blower (19), the inner chamber to box (1) is run through the pipeline in the gas outlet of air-blower (19), and the pipeline is located the right side of discharging pipe (11).

7. The corn thresher of claim 1, wherein: the blade (211) is L-shaped, and the tool nose (212) is arc-shaped.

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