CN110720318A

CN110720318A - Full-automatic corn peeling and threshing machine

Info

Publication number: CN110720318A
Application number: CN201911098129.XA
Authority: CN
Inventors: 蒋能新
Original assignee: Shucheng Jiu Lian Pml Precision Mechanism Ltd
Current assignee: Shucheng Jiu Lian Pml Precision Mechanism Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-01-24

Abstract

The invention discloses a full-automatic corn peeling and threshing machine, which comprises a threshing box, a base, a first inclined hopper, a second inclined hopper, a conveyor belt and a pretreatment box, wherein the threshing box is arranged on the base; the invention has the beneficial effects that: threshing and screening are carried out on the corn cobs through the two large-gap threshing roller shafts, the corn cobs are threshed through the three small-gap threshing roller shafts, the efficiency of threshing work can be increased, and the threshing teeth are spirally and uniformly distributed on the threshing roller shafts and can drive the corn cobs to move towards the discharge hole.

Description

Full-automatic corn peeling and threshing machine

Technical Field

The invention relates to traditional Chinese medicine pharmaceutical equipment, in particular to a full-automatic corn peeling and threshing machine.

Background

After the corn-on-cob is ripe, general can dry the corn-on-cob to threshing process, in order to obtain the kernel of corn, the kernel of corn is dried the back, and convenient storage, packing etc. common corn thresher needs the manual work to get rid of the corn-on-cob epidermis before using, wastes time and energy, and crushes the kernel of corn easily when threshing, causes the defective rate to be on the high side. Therefore, the technical personnel in the field provide a full-automatic corn peeling and threshing machine to solve the problems in the background technology.

Disclosure of Invention

The invention aims to provide a full-automatic corn peeling and threshing machine to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a full-automatic corn peeling and threshing machine comprises a threshing box, a base, a first inclined hopper, a second inclined hopper, a conveying belt and a pretreatment box, wherein the threshing box is arranged on the base, the pretreatment box is arranged on the left side of the top of the threshing box, a feeding port is arranged on the left side of the pretreatment box, a first transmission box is arranged on the right side of the top of the pretreatment box, the conveying belt is arranged in the conveying belt base, the conveying belt base is arranged on the left side of the base, the top of the conveying belt base is fixedly connected with the left side of the feeding port, a plurality of threshing rollers are arranged in the threshing box, the left end and the right end of each threshing roller are respectively rotatably connected with the left side wall and the right side wall of the threshing box, a plurality of threshing teeth are arranged on the outer walls of the threshing rollers and are spirally and uniformly distributed on the threshing rollers, a screen is fixedly arranged below the threshing rollers in the base, the screen is inclined, the landslide is the slope of degree below the front, it is provided with first discharge gate to correspond screen cloth department on the back wall of base, first oblique fill is installed and is corresponded first discharge gate department in the base back wall outside, the base right wall corresponds and is provided with the second discharge gate between threshing roller bearing and the screen cloth, and the base right wall outside corresponds second discharge gate department fixed mounting and has the second oblique fill, it is provided with the third discharge gate to correspond landslide department on the base antetheca, and the base antetheca outside corresponds third discharge gate department fixed mounting and has the third oblique fill.

As a further scheme of the invention: threshing box left wall outside fixed mounting has first motor, the pivot right-hand member and the action wheel fixed connection of first motor, the threshing box is internal to be installed five threshing roller bearings, and threshing roller bearing is trapezoidal distribution in threshing box, and threshing roller bearing left end is connected with from the driving wheel, and the action wheel is connected through first belt between five follow driving wheels, and wherein two from the driving wheel and the surface connection of first belt in front top and well below.

As a still further scheme of the invention: both sides all are provided with two rotary drums around the preliminary treatment incasement portion, are provided with the spacing boss of a plurality of on the outer wall of rotary drum, and the rotary drum rotates with the preliminary treatment case to be connected, is provided with the cross recess in the rotary drum, all is provided with a plurality of on the outer wall of cross recess and the inner wall of rotary drum and peels the blade.

As a still further scheme of the invention: a first motor is arranged in the first transmission case, a first belt pulley, a second belt pulley and a third belt pulley are sequentially arranged below the first motor from top to bottom, the first belt pulley, the second belt pulley and the third belt pulley are all fixedly connected with a rotating shaft of the second motor, a fifth belt pulley is arranged on the rear side in the first transmission case, the fifth belt pulley is connected with the second belt pulley through a second belt, the rear side of the third belt pulley is connected with a fourth belt pulley through a fourth belt, the fourth belt pulley and the fifth belt pulley are respectively in axial connection with a front cross groove and a rear cross groove, a sixth belt pulley is arranged on the right side in the first transmission case, the sixth belt pulley is connected with the first belt pulley through a third belt, a first gear is arranged below the sixth belt pulley, the first gear is fixedly connected with the sixth belt pulley through a transmission shaft, and a second gear is fixedly arranged on the outer wall of the rotary drum corresponding to the first gear, the second gear is meshed with the first gear.

As a still further scheme of the invention: a plurality of shifting devices are arranged on the left wall of the feeding hole, and a second transmission case is installed at the bottom of the feeding hole.

As a still further scheme of the invention: the stirring device comprises a stirring plate, a stirring sheet, a lever shaft and a toothed sheet, wherein the stirring plate is installed on the left wall of the feed inlet, the stirring plate is provided with a plurality of stirring sheets, the middle of the left side of the stirring plate is fixedly connected with the lever shaft, the left end of the lever shaft is fixedly connected with the toothed sheet, and a positioning hole is formed in the axle center of the lever shaft corresponding to the toothed sheet.

As a still further scheme of the invention: the third motor is installed in the second transmission case, the right side of the rotating shaft of the third motor is fixedly connected with the seventh belt pulley, the left side of the tooth piece is connected with the third gear in a meshed mode, the eighth belt pulley is installed in the second transmission case corresponding to the upper left side of the third gear, the seventh belt pulley is connected with the eighth belt pulley through a fifth belt, and the eighth belt pulley is connected with the third gear through a right-angle connecting rod.

As a still further scheme of the invention: all fixed mounting has the ball fixing base in eighth belt pulley and the third gear, is provided with three ball in the ball fixing base, the both sides of right angle connecting rod are inserted respectively and are established in two ball fixing bases, are provided with three ball groove on the right angle connecting rod, the ball sets up between ball fixing base and ball groove.

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

1. the peeling blade in the pretreatment box can cut the outer surface of the corn cob, and the cut surface skin falls off from the corn cob, so that peeling is realized;

2. the third motor can drive the shifting plate and the shifting sheet to rotate in a reciprocating mode through the transmission structure, and the shifting device can shift the corn cobs, so that the corn cobs can directly slide to the cross groove in the pretreatment box, and the corn cobs are prevented from being transversely arranged and blocking the cross groove;

3. threshing and screening are carried out on the corn cobs through the two large-gap threshing roller shafts, the threshing roller shafts threshing the corn cobs through the three small-gap threshing roller shafts can increase the efficiency of threshing work, and the threshing teeth are spirally and uniformly distributed on the threshing roller shafts and can drive the corn cobs to move towards the discharge port to carry out discharging work.

4. The whole device is simple in design, and works such as automatic separation, threshing and discharging are realized through the cooperation of a simple mechanical structure, so that the production cost of the threshing machine can be reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a full-automatic corn husking and threshing machine.

FIG. 2 is a schematic view of a pretreatment tank of a full-automatic corn husking and threshing machine.

FIG. 3 is a schematic structural diagram of a threshing device in a full-automatic corn husking and threshing machine.

FIG. 4 is a right sectional view of a full-automatic corn husking and threshing machine

FIG. 5 is a schematic structural view of a peeling device in a full-automatic corn peeling and threshing machine

FIG. 6 is a schematic structural view of a shifting device in a full-automatic corn husking and threshing machine

FIG. 7 is a schematic view showing a connection structure of a right-angle connecting rod and a sixth belt pulley in a full-automatic corn husking and threshing machine

In the figure: 1-threshing box, 2-base, 3-first inclined hopper, 4-first discharge port, 5-second inclined hopper, 6-second discharge port, 7-conveyor belt base, 8-conveyor belt, 9-pretreatment box, 10-first transmission box, 11-second transmission box, 12-feed port, 13-toggle device, 14-cross groove, 15-threshing roller, 16-threshing tooth, 17-driven wheel, 18-first motor, 19-first belt, 20-driving wheel, 21-screen, 22-third inclined hopper, 23-landslide, 101-second motor, 102-first belt pulley, 103-second belt pulley, 104-third belt pulley, 105-fourth belt pulley, 106-fifth belt pulley, 107-a second belt, 108-a sixth belt pulley, 109-a third belt, 120-a fourth belt, 121-a transmission shaft, 122-a first gear, 141-a peeling blade, 142-a rotary drum, 143-a second gear, 144-a limit boss, 111-a third motor, 112-a seventh belt pulley, 113-a fifth belt, 114-an eighth belt pulley, 115-a right-angle connecting rod, 116-a third gear, 117-a ball fixing seat, 118-a ball, 131-a shifting plate, 132-a shifting plate, 133-a lever shaft, 134-a positioning hole and 135-a tooth sheet.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, in the embodiment of the invention, a full-automatic corn peeling and threshing machine comprises a threshing box 1, a base 2, a first inclined hopper 3, a second inclined hopper 5, a conveyor belt 8 and a pretreatment box 9, wherein the threshing box 1 is arranged on the base 2, the pretreatment box 9 is arranged on the left side of the top of the threshing box 1, a feed inlet 12 is arranged on the left side of the pretreatment box 9, a first transmission box 10 is arranged on the right side of the top of the pretreatment box 9, the conveyor belt 8 is arranged in the conveyor belt base 7, the conveyor belt base 7 is arranged on the left side of the base 2, the top of the conveyor belt base 7 is fixedly connected with the left side of the feed inlet 12, a plurality of threshing rollers 15 are arranged in the threshing box 1, the left end and the right end of each threshing roller 15 are respectively rotatably connected with the left side wall and the right side wall of the threshing box 1, a plurality of threshing teeth 16 are arranged on, a screen 21 is fixedly arranged in the base 2 corresponding to the lower part of the threshing roller 15, the screen 21 inclines towards the rear lower part by 15 degrees, a landslide 23 is fixedly arranged in the base 2 corresponding to the lower part of the screen 21, the landslide 23 inclines towards the front lower part by 15 degrees, a first discharge hole 4 is arranged on the rear wall of the base 2 corresponding to the screen 21, a first inclined hopper 3 is arranged on the outer side of the rear wall of the base 2 corresponding to the first discharge hole 4, a second discharge hole 6 is arranged between the threshing roller 15 and the screen 21 corresponding to the right wall of the base 2, a second inclined hopper 5 is fixedly arranged on the outer side of the right wall of the base 2 corresponding to the second discharge hole 6, a third discharge hole 24 is arranged on the front wall of the base 2 corresponding to the landslide 23, a third inclined hopper 22 is fixedly arranged on the outer side of the front wall of the base 2 corresponding to the third discharge hole 24, a first motor 18 is fixedly arranged on the outer side of the left wall of the, the threshing box is characterized in that 5 threshing rollers 15 are installed in the threshing box 1, the threshing rollers 15 are distributed in the threshing box 1 in a trapezoidal mode, the left end of each threshing roller 15 is connected with a driven wheel 17, a driving wheel 20 and 5 driven wheels 17 are connected through a first belt 19, wherein the two driven wheels above and below the front part are connected with the outer surface of the first belt 19, corn cobs are placed in a conveying belt base 7, the corn cobs are conveyed into a feeding hole 12 through a conveying belt 8, a stirring device 13 stirs the corn cobs immediately to enable the corn cobs to slide towards a pretreatment box 9, corn husks are cut in the pretreatment box 9, after being cut, the husks and the corn cobs fall onto the threshing rollers 15 together, threshing teeth 16 on the threshing rollers 15 perform threshing work on the corn cobs, the threshing teeth 16 are distributed in a spiral mode, the threshed corn cobs move towards the right side through the threshing teeth 16 and are finally discharged from a second discharging hole, the corn kernels and corn husks are screened by the screen 21 and discharged from the first hopper 3 and the third hopper 22, respectively.

The pretreatment tank 9 is internally provided with two rotary drums 142 at the front side and the rear side, the outer wall of each rotary drum 142 is provided with a plurality of limiting bosses 144, each rotary drum 142 is rotatably connected with the pretreatment tank 9, each rotary drum 142 is internally provided with a cross groove 14, the outer wall of each cross groove 14 and the inner wall of each rotary drum 142 are respectively provided with a plurality of peeling blades 141, a first motor 101 is installed in the first transmission tank 10, a first belt pulley 102, a second belt pulley 103 and a third belt pulley 104 are sequentially arranged below the first motor 101 from top to bottom, the first belt pulley 102, the second belt pulley 103 and the third belt pulley 104 are fixedly connected with a rotating shaft of the second motor 101, the rear side in the first transmission tank 10 is provided with a fifth belt pulley 106, the fifth belt pulley 106 is connected with the second belt pulley 103 through a second belt 107, the rear side of the third belt pulley 104 is connected with a fourth belt pulley 105 through a fourth belt 120, the fourth belt pulley 105 and the fifth belt pulley 106 are respectively in axial connection with the front and the rear cross grooves 14, a sixth belt pulley 108 is arranged on the right side inside the first transmission case 10, the sixth belt pulley 108 is connected with the first belt pulley 102 through a third belt 109, a first gear 122 is arranged below the sixth belt pulley 108, the first gear 122 is fixedly connected with the sixth belt pulley 108 through a transmission shaft 121, a second gear 143 is fixedly mounted on the outer wall of the rotating drum 142 corresponding to the first gear 122, the second gear 143 is meshed with the first gear 122, the second motor 101 drives the two cross slots 14 to rotate through the second belt 107 and the fourth belt 120, and drives the sixth belt pulley 108 and the first gear 122 to rotate through the third belt 109, thereby driving the second gear 143 and the two drums 142 to rotate, and enabling the drums 142 to rotate in the opposite direction to the cross slot 14, thereby realizing the cutting of the corn cob skins.

The left wall of the feed inlet 12 is provided with a plurality of shifting devices 13, the bottom of the feed inlet 12 is provided with a second transmission case 11, each shifting device 13 comprises a shifting plate 131, a shifting piece 132, a lever shaft 133 and a tooth piece 135, the shifting plate 131 is arranged on the left wall of the feed inlet 12, the shifting plate 131 is provided with a plurality of shifting pieces 132, the middle part of the left side of the shifting plate 131 is fixedly connected with the lever shaft 133, the left end of the lever shaft 133 is fixedly connected with the tooth piece 135, the lever shaft 133 is provided with a positioning hole 134 corresponding to the axle center of the tooth piece 135, the second transmission case 11 is internally provided with a third motor 111, the right side of the rotating shaft of the third motor 111 is fixedly connected with a seventh belt pulley 112, the left side of the tooth piece 135 is meshed with a third gear 116, the second transmission case 11 is internally provided with an eighth belt pulley 114 corresponding to the left upper part of the third gear 116, the seventh belt pulley 112 is, the eighth belt pulley 114 is connected with the third gear 116 through a right-angle connecting rod 115, ball fixing seats 117 are fixedly installed in the eighth belt pulley 114 and the third gear 116, three balls 118 are installed in the ball fixing seats 117, two sides of the right-angle connecting rod 115 are respectively inserted into the two ball fixing seats 117, three ball grooves are formed in the right-angle connecting rod 115, the balls 118 are arranged between the ball fixing seats 117 and the ball grooves, the seventh belt pulley 112 is driven by the second motor 101 to rotate, so that the three eighth belt pulleys 114 are driven to rotate through the fourth belt 113, the upper half part of the right-angle connecting rod 115 is driven to rotate through the eighth belt pulley 114, the third gear 116 is driven to rotate in a reciprocating manner through the lower half part of the right-angle connecting rod 115, the toothed plate 135 is driven to rotate in a reciprocating manner, the dial plate 131 and the dial plate 132 are driven to rotate in a reciprocating manner through the lever, the balls 118 act to reduce the friction experienced by the right angle linkage 115.

The working principle of the invention is as follows:

the invention relates to a fruit and vegetable crisp chip shatter-resistant packaging device, when in use, a first motor 18, a second motor 101 and a third motor 111 are sequentially started, corn cobs are placed in a conveyor belt base 7 and conveyed into a feed inlet 12 through a conveyor belt 8, then a shifting device 13 shifts the corn cobs to enable the corn cobs to slide towards a cross groove 14, wherein the second motor 101 drives a seventh belt pulley 112 to rotate, so that three eighth belt pulleys 114 are driven to rotate through a fourth belt 113, the upper half part of a right-angle connecting rod 115 is driven to rotate through the eighth belt pulley 114, and then a third gear 116 is driven to rotate in a reciprocating manner through the lower half part of the right-angle connecting rod 115, so that a tooth piece 135 is driven to rotate in a reciprocating manner, and a shifting plate 131 and a shifting piece 132 are driven to rotate in a reciprocating manner through a lever shaft 133 to shift stranding operation; after the corn cobs slide into the cross grooves 14, the corn cobs rotate along with the cross grooves 14, peeling blades 141 are arranged in the cross grooves 14 and the rotary drum 142, the peeling blades 141 cut the skins of the corn cobs, after the corn cobs are cut into pieces, the skins and the corn cobs fall onto the threshing rollers 15 together, threshing teeth 16 on the threshing rollers 15 perform threshing work on the corn cobs, the gap between the two threshing rollers 15 at the upper part is larger, the gap between the three threshing rollers 15 at the lower part is smaller, the two threshing rollers 15 at the upper part can thresh the corn cobs with larger thickness, the three threshing rollers 15 at the lower part can thresh the corn cobs with smaller thickness, automatic screening is performed by the method, the working efficiency can be increased, the threshing teeth 16 are distributed spirally, the threshed corn cobs move to the right side by stirring of the threshing teeth 16 and are finally discharged from the second discharge hole 6, the corn cobs and the corn husks are respectively discharged from the first hopper 3 and the third hopper 22, the first motor 18 drives five threshing rollers 15 to rotate simultaneously through the first belt 19, and the rotation directions of two adjacent threshing rollers 15 are opposite, the second motor 101 drives two cross grooves 14 to rotate respectively through the second belt 107 and the fourth belt 120, and drives the sixth belt pulley 108 and the first gear 122 to rotate through the third belt 109, so as to drive the second gear 143 and the two rotary drums 142 to rotate, so that the rotary directions of the rotary drums 142 and the cross grooves 14 are opposite, in order to reduce the friction force between the right-angle connecting rod 115 and the eighth belt pulley 114 as well as between the third gear 116, ball fixing seats 117 are arranged in the eighth belt pulley 114 and the bevel gear 116, three balls 118 are arranged in the ball fixing seats 117, and correspondingly, three ball grooves are arranged in the cross connecting rod 115.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A full-automatic corn peeling and threshing machine comprises a threshing box (1), a base (2), a first inclined hopper (3), a second inclined hopper (5), a conveying belt (8) and a pretreatment box (9), and is characterized in that the threshing box (1) is arranged on the base (2), the pretreatment box (9) is arranged on the left side of the top of the threshing box (1), a feeding hole (12) is formed in the left side of the pretreatment box (9), a first transmission box (10) is arranged on the right side of the top of the pretreatment box (9), the conveying belt (8) is arranged in the conveying belt base (7), the conveying belt base (7) is arranged on the left side of the base (2), the top of the conveying belt base (7) is fixedly connected with the left side of the feeding hole (12), a plurality of threshing rollers (15) are arranged in the threshing box (1), the left end and the right end of each threshing roller (15) are respectively rotatably connected with the left side wall and, threshing roller (15) is provided with a plurality of threshing teeth (16) on the outer wall, threshing teeth (16) are spiral evenly distributed on threshing roller (15), corresponding threshing roller (15) below fixed mounting has screen cloth (21) in base (2), screen cloth (21) is (15) degree and inclines to the rear below, corresponding screen cloth (21) below fixed mounting has landslide (23) in base (2), landslide (23) is (15) degree and inclines to the front below, corresponding screen cloth (21) department is provided with first discharge gate (4) on the back wall of base (2), first oblique bucket (3) is installed and is located corresponding first discharge gate (4) in base (2) back wall outside, base (2) right wall is provided with second discharge gate (6) between corresponding threshing roller (15) and screen cloth (21), base (2) right wall outside corresponds second discharge gate (6) department fixed mounting and is provided with second oblique bucket (5), a third discharge hole (24) is formed in the front wall of the base (2) corresponding to the landslide (23), and a third inclined hopper (22) is fixedly mounted on the outer side of the front wall of the base (2) corresponding to the third discharge hole (24).

2. The full-automatic corn peeling and threshing machine as claimed in claim 1, characterized in that a first motor (18) is fixedly mounted on the outer side of the left wall of the threshing box (1), the right end of the rotating shaft of the first motor (18) is fixedly connected with a driving wheel (20), five threshing rollers (15) are mounted in the threshing box (1), the threshing rollers (15) are distributed in the threshing box (1) in a trapezoidal shape, the left end of the threshing roller (15) is connected with a driven wheel (17), the driving wheel (20) is connected with five driven wheels (17) through a first belt (19), and two driven wheels on the upper front side and the lower side are connected with the outer surface of the first belt (19).

3. The full-automatic corn husking and threshing machine according to claim 1, characterized in that two rotating drums (142) are arranged on the front side and the rear side inside the pretreatment tank (9), a plurality of limiting bosses (144) are arranged on the outer walls of the rotating drums (142), the rotating drums (142) are rotatably connected with the pretreatment tank (9), cross grooves (14) are arranged in the rotating drums (142), and a plurality of husking blades (141) are arranged on the outer walls of the cross grooves (14) and the inner walls of the rotating drums (142).

4. The full-automatic corn husking and threshing machine according to claim 3, characterized in that a first motor (101) is installed in the first transmission case (10), a first belt pulley (102), a second belt pulley (103) and a third belt pulley (104) are sequentially arranged below the first motor (101) from top to bottom, the first belt pulley (102), the second belt pulley (103) and the third belt pulley (104) are all fixedly connected with a rotating shaft of the second motor (101), a fifth belt pulley (106) is arranged on the rear side inside the first transmission case (10), the fifth belt pulley (106) is connected with the second belt pulley (103) through a second belt (107), the rear side of the third belt pulley (104) is connected with a fourth belt pulley (105) through a fourth belt (120), and the fourth belt pulley (105) and the fifth belt pulley (106) are respectively and axially connected with the front cross groove (14) and the rear cross groove (14), the right side in first transmission case (10) is provided with sixth belt pulley (108), and sixth belt pulley (108) is connected with first belt pulley (102) through third belt (109), and sixth belt pulley (108) below is provided with first gear (122), and first gear (122) pass through transmission shaft (121) fixed connection with sixth belt pulley (108), correspond first gear (122) department fixed mounting on rotary drum (142) outer wall and have second gear (143), and second gear (143) and first gear (122) meshing are connected.

5. The full-automatic corn husking and threshing machine according to claim 1, characterized in that a plurality of poking devices (13) are arranged on the left wall of the feeding port (12), and a second transmission case (11) is arranged at the bottom of the feeding port (12).

6. The full-automatic corn husking and threshing machine according to claim 5, characterized in that the toggle device (13) comprises a toggle plate (131), a toggle piece (132), a lever shaft (133) and a tooth piece (135), the toggle plate (131) is installed on the left wall of the feed inlet (12), the toggle plate (131) is provided with a plurality of toggle pieces (132), the middle part of the left side of the toggle plate (131) is fixedly connected with the lever shaft (133), the left end of the lever shaft (133) is fixedly connected with the tooth piece (135), and the lever shaft (133) is provided with a positioning hole (134) corresponding to the axis of the tooth piece (135).

7. The full-automatic corn husking and threshing machine according to claim 6, characterized in that a third motor (111) is installed in the second transmission case (11), the right side of the rotating shaft of the third motor (111) is fixedly connected with a seventh belt pulley (112), the left side of the tooth piece (135) is meshed with the third gear (116), an eighth belt pulley (114) is installed in the second transmission case (11) corresponding to the upper left of the third gear (116), the seventh belt pulley (112) is connected with the eighth belt pulley (114) through a fifth belt (113), and the eighth belt pulley (114) is connected with the third gear (116) through a right-angle connecting rod (115).

8. The full-automatic corn husking and threshing machine according to claim 7, wherein the eighth belt pulley (114) and the third gear (116) are both fixedly provided with a ball fixing seat (117), three balls (118) are arranged in the ball fixing seat (117), two sides of the right-angle connecting rod (115) are respectively inserted into the two ball fixing seats (117), three ball grooves are arranged on the right-angle connecting rod (115), and the balls (118) are arranged between the ball fixing seat (117) and the ball grooves.