CN112262659A - Prevent broken corn thresher of corncob - Google Patents

Prevent broken corn thresher of corncob Download PDF

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Publication number
CN112262659A
CN112262659A CN202011260708.2A CN202011260708A CN112262659A CN 112262659 A CN112262659 A CN 112262659A CN 202011260708 A CN202011260708 A CN 202011260708A CN 112262659 A CN112262659 A CN 112262659A
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CN
China
Prior art keywords
cavity
supporting
fixedly connected
threshing
linkage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011260708.2A
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Chinese (zh)
Inventor
袁莉莉
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Individual
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Individual
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Priority to CN202011260708.2A priority Critical patent/CN112262659A/en
Publication of CN112262659A publication Critical patent/CN112262659A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F11/00—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
    • A01F11/06—Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals for maize, e.g. removing kernels from cobs
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/18—Threshing devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/44—Grain cleaners; Grain separators
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/44—Grain cleaners; Grain separators
    • A01F12/446—Sieving means
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/54—Arrangements for collecting or removing dust

Abstract

The invention discloses a corn thresher capable of preventing corncobs from being crushed, which comprises a supporting circular table, wherein a collecting cavity with an upward opening is arranged in the supporting circular table, a filter screen is arranged in the supporting circular table and is used for communicating the collecting cavity with the outside, a supporting pipe is fixedly connected to the upper end surface of the supporting circular table, a communicating hole which is communicated up and down is arranged in the supporting pipe and is communicated with the collecting cavity, and eight supporting plates are fixedly connected to the outer circular surface of the supporting pipe in an annular array manner; when the corn is threshed, the corn is in a vertical shape, the complete shape of the corncobs is guaranteed while the corn kernels are peeled off, the corn kernels are convenient to collect, the scattered corn kernels and the corncobs are screened through the filter screen and are recovered into the collecting cavity again, the waste of the corn kernels is avoided, and meanwhile, dust generated during threshing is absorbed into the fan blade cavity, so that the environment pollution is avoided.

Description

Prevent broken corn thresher of corncob
Technical Field
The invention relates to the field of corn processing, in particular to a corn thresher capable of preventing corncobs from being broken.
Background
Corn is threshing man-hour, directly stir the maize garrulous during traditional processing mode, make kernel of corn thresh with the corncob, this kind of mode is when threshing, can make the corncob also can be broken, make kernel of corn and corncob difficult separation, and can produce a large amount of scraps of flying dust and dust, the environment has been polluted, mix a large amount of corncob pieces in the kernel of corn, influence the storage after the kernel of corn, and reduced the efficiency of threshing, and it makes the collection of corncob inconvenient to contain a large amount of kernels in the corncob, it is extravagant to cause the kernel of corn.
Disclosure of Invention
The invention aims to provide a corn thresher for preventing corncobs from being broken, and solves the problems of corncob breakage and corncob mixing during corn threshing.
The invention is realized by the following technical scheme.
The invention relates to a corn thresher for preventing corncobs from being crushed, wherein a collecting cavity with an upward opening is arranged in a supporting round platform, a filter screen is arranged in the supporting round platform and is used for communicating the collecting cavity with the outside, a supporting pipe is fixedly connected to the upper end surface of the supporting round platform, a through hole which is communicated up and down is arranged in the supporting pipe and is communicated with the collecting cavity, eight supporting plates are fixedly connected to the outer circular surface of the supporting pipe in an annular array manner, a placing pipe and an absorption box are arranged on the upper side of the supporting pipe, the absorption box is positioned on the upper side of the placing pipe, one end of each of the eight supporting plates, which is close to the supporting pipe, is fixedly connected to the outer circular surface of the placing pipe and the absorption box, a falling hole which is communicated up and down is arranged in the placing pipe, a scrap suction hole with a downward opening is arranged in, a fixed support rod is fixedly connected to the inner wall of the upper side of the fan blade cavity, the lower end of the fixed support rod is located in the collection cavity, a rotating shaft and a linkage shaft are rotatably connected to the fixed support rod, the linkage shaft is located on the upper side of the rotating shaft, the upper end of the linkage shaft is located in the fan blade cavity and is rotatably matched with the inner wall of the lower side of the fan blade cavity, the lower end of the rotating shaft is rotatably matched with the inner wall of the lower side of the collection cavity, a threshing rod is fixedly connected to the annular array between the absorption box and the placing pipe on the linkage shaft, one end, far away from the linkage shaft, of the threshing rod is located in the threshing cavity, a linkage large gear is fixedly connected between the placing pipe and the supporting pipe on the rotating shaft, and a material leaking through hole which; a threshing box is fixedly arranged at one end, away from the supporting tube, of the supporting plate, a threshing cavity which is communicated up and down is arranged in the threshing box, the supporting plate is fixedly connected to the side wall of the inner circle of the threshing cavity, a hopper-shaped box is fixedly connected to the upper end face of the threshing box, a feeding cavity which is communicated up and down is arranged in the hopper-shaped box, the feeding cavity is communicated with the threshing cavity, and the upper end of the absorption box is located in the feeding cavity; put the maize of waiting to thresh in the pay-off intracavity, later the maize drops to thresh between the intracavity two adjacent backup pads and be in vertical state, the universal driving shaft rotates, and then drive threshing rod and rotate, peel off the kernel of corn on the maize from the corncob, because the corncob does not contact with threshing rod, and then guaranteed the complete of corncob, later get rid of the kernel of corn to the downthehole that falls under the drive of pivoted threshing rod, later the kernel of corn passes the hourglass material through-hole, the intercommunicating pore falls to collecting the intracavity, later the kernel of corn drops to the side of supporting the round platform under the gravity of the maize of upper side, when dropping on the side of supporting the round platform from the unrestrained kernel of rotation ring simultaneously, pass the filter screen and drop to collecting the intracavity, and then prevented that unrestrained kernel of corn from mixing with the corncob.
Advantageously, a push plate cavity is arranged at the lower side of the collecting cavity in the supporting circular truncated cone, the lower end of the rotating shaft is positioned in the push plate cavity, four push plates are arranged in the push plate cavity in a penetrating and sliding manner, the position relation among the four push plates is in a cross shape, a section of the push plate, which is far away from the rotating shaft, is positioned on the outer side of the supporting circular truncated cone, the inner wall of the lower side of the push plate cavity is respectively provided with a slide block groove with an upward opening corresponding to the lower side of the push plate, a linkage slide block is arranged in the slide block groove in a sliding way, the upper end of the linkage slide block is fixedly connected to the lower end surface corresponding to the push plate, a return spring is fixedly connected between the end surface of the linkage sliding block far away from the rotating shaft and the side wall of the sliding block groove far away from the rotating shaft, a cam is fixedly connected to the lower end of the rotating shaft, and one end, close to the rotating shaft, of the push plate abuts against the outer circular surface of the cam; the axis of rotation rotates, and then drives the push pedal through the cam and slide, and then the one end of keeping away from the axis of rotation through the push pedal will support the corncob on the round platform side and push away from supporting the round platform, prevents that the corncob from piling up on the side of supporting the round platform to the corncob after the influence drops.
Beneficially, a motor is fixedly connected to the inner side wall of the left side of the dropping hole, a power output shaft is dynamically connected to the right end face of the motor, a driving bevel gear is fixedly connected to the right end of the power output shaft, a linkage bevel gear is fixedly connected to the lower end of the linkage shaft, a driven bevel gear is fixedly connected to the upper end of the rotating shaft, the driven bevel gear and the linkage bevel gear are both meshed with the driving bevel gear, and the tooth profile of the driven bevel gear is opposite to that of the linkage bevel gear; and starting the motor, and then driving the driving bevel gear to rotate through the power output shaft, and further driving the linkage bevel gear and the driven bevel gear to rotate, so that the rotation directions of the linkage bevel gear and the driven bevel gear are opposite.
Beneficially, a fixed block with an opening facing the fixed support rod is fixedly connected between two adjacent support plates on the inner circular side wall of the threshing cavity, an annular groove is formed in the fixed block, a rotating circular ring is rotatably arranged in the annular groove and meshed with the linkage large gear, and a clamping groove is formed in an annular array of the inner circular side wall of the rotating circular ring; after the lower half part of the corn is threshed, the upper half part of the corn which is positioned in the rotating circular ring and is not threshed is clamped in the clamping groove due to the corn kernels, and under the condition that the rotating circular ring and the threshing rod rotate in the same direction, the threshing speed between the corn and the tangent part of the rotating threshing rod is accelerated, so that the threshing of the corn is accelerated, and the corn kernels are prevented from scattering outwards under the blocking of the fixed block.
Beneficially, the inner wall of the upper side of the fan blade cavity is provided with an exhaust hole, the upper end of the linkage shaft is fixedly connected with an air suction fan blade, the inner wall of the fan blade cavity is fixedly connected with an air ventilation screen plate on the lower side of the air suction fan blade, the linkage shaft is in rotating fit with the air ventilation screen plate, and four filter screens are arranged on the inner wall of the lower side of the fan blade cavity in an annular array; the universal driving shaft rotates, and then drives the flabellum rotation of breathing in, and then the flying dust that produces when will falling downthehole threshing corn passes the filter screen and absorbs to the flabellum intracavity and separates and keep off the downside at the otter board of ventilating, and the filter screen is used for preventing that the kernel of corn from being absorbed the flabellum intracavity, and the flabellum rotation of breathing in produces and breathes in and exhausts through the exhaust hole.
The invention has the beneficial effects that: when the corn is threshed, the corn is in a vertical shape, the complete shape of the corncobs is guaranteed while the corn kernels are peeled off, the corn kernels are convenient to collect, the scattered corn kernels and the corncobs are screened through the filter screen and are recovered into the collecting cavity again, the waste of the corn kernels is avoided, and meanwhile, dust generated during threshing is absorbed into the fan blade cavity, so that the environment pollution is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C-C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram at D-D in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The corn thresher capable of preventing corncobs from being broken comprises a supporting circular table 11, a collecting cavity 18 with an upward opening is arranged in the supporting circular table 11, a filter screen 20 is arranged in the supporting circular table 11, the collecting cavity 18 is communicated with the outside through the filter screen 20, a supporting pipe 22 is fixedly connected to the upper end face of the supporting circular table 11, a communicating hole 21 which is communicated with the collecting cavity 18 is arranged in the supporting pipe 22, eight supporting plates 37 are fixedly connected to the outer circular face of the supporting pipe 22 in an annular array, a placing pipe 23 and an absorption box 28 are arranged on the upper side of the supporting pipe 22, the absorption box 28 is located on the upper side of the placing pipe 23, one end, close to the supporting pipe 22, of each of the eight supporting plates 37 is fixedly connected to the placing pipe 23 and the outer circular face of the absorption box 28, a falling hole 24 which is communicated with the placing pipe 23 up and down, be equipped with the decurrent chip absorption hole 29 of opening in the absorption box 28, in the absorption box 28 in the upside of chip absorption hole 29 is equipped with flabellum chamber 47, the rigid coupling has fixed support rod 32 on the inner wall of flabellum chamber 47 upside, the lower extreme of fixed support rod 32 is located collect the intracavity 18, it is connected with axis of rotation 17, universal driving shaft 27 to rotate on the fixed support rod 32, universal driving shaft 27 is located the upside of axis of rotation 17, the upper end of universal driving shaft 27 is located in flabellum chamber 47 and rotate and cooperate in the inner wall of flabellum chamber 47 downside, the lower extreme of axis of rotation 17 rotate cooperate in collect on the inner wall of the downside of chamber 18, on the universal driving shaft 27 in absorption box 28 place between the pipe 23 the rigid coupling of annular array have threshing rod 36, threshing rod 36 keeps away from the one end of universal driving shaft 27 is located in threshing cavity 26, on the axis of rotation 17 in place pipe 23, A linked gearwheel 45 is fixedly connected between the supporting tubes 22, and 6 vertically-through material leaking through holes 46 are formed in the linked gearwheel 45 in an annular array; a threshing box 25 is fixedly arranged at one end, away from the supporting pipe 22, of the supporting plate 37, a threshing cavity 26 which penetrates up and down is formed in the threshing box 25, the supporting plate 37 is fixedly connected to the inner circular side wall of the threshing cavity 26, a hopper-shaped box 30 is fixedly connected to the upper end face of the threshing box 25, a feeding cavity 31 which penetrates up and down is formed in the hopper-shaped box 30, the feeding cavity 31 is communicated with the threshing cavity 26, and the upper end of the absorption box 28 is located in the feeding cavity 31; the corn to be threshed is placed in the feeding cavity 31, the corn falls between two adjacent supporting plates 37 in the threshing cavity 26 and is in a vertical state, the linkage shaft 27 rotates, the threshing rod 36 is driven to rotate, the corn kernels on the corn are peeled off from the corn kernels, the corn kernels are not in contact with the threshing rod 36, the completeness of the corn kernels is guaranteed, the corn kernels are thrown into the falling hole 24 under the driving of the rotating threshing rod 36, the corn kernels penetrate through the material leakage through holes 46, the communication holes 21 fall into the collecting cavity 18, the corn kernels fall onto the side face of the supporting circular truncated cone 11 under the gravity of the corn kernels on the upper side, and meanwhile, when the corn kernels falling onto the side face of the supporting circular cone 11 from the rotating circular ring 43 fall, the corn kernels fall into the collecting cavity 18 through the filter screen 20, and the mixture of the falling corn kernels and the corn kernels is prevented.
Beneficially, a push plate cavity 15 is arranged at the lower side of the collecting cavity 18 in the supporting circular truncated cone 11, the lower end of the rotating shaft 17 is located in the push plate cavity 15, four push plates 19 are slidably arranged in the push plate cavity 15 in a penetrating manner, the position relationship among the four push plates 19 is in a cross shape, one section of each push plate 19 away from the rotating shaft 17 is located at the outer side of the supporting circular truncated cone 11, slide block grooves 14 with upward openings are respectively arranged on the inner walls of the lower sides of the push plate cavities 15 and correspond to the lower sides of the push plates 19, linkage slide blocks 13 are slidably arranged in the slide block grooves 14, the upper ends of the linkage slide blocks 13 are fixedly connected to the lower end surfaces of the corresponding push plates 19, return springs 12 are fixedly connected between the end surfaces of the linkage slide blocks 13 away from the rotating shaft 17 and the side walls of the slide block grooves 14 away from the rotating shaft 17, and, one end of the push plate 19 close to the rotating shaft 17 abuts against the outer circular surface of the cam 16; the axis of rotation 17 rotates, and then drives the push pedal 19 through cam 16 and slide, and then the one end of keeping away from axis of rotation 17 through push pedal 19 pushes away the corncob on the support round platform 11 side from supporting round platform 11, prevents that the corncob from piling up on the side of supporting round platform 11 to the corncob after the influence drops.
Beneficially, a motor 39 is fixedly connected to the inner side wall of the left side of the dropping hole 24, a power output shaft 40 is dynamically connected to the right end face of the motor 39, a driving bevel gear 38 is fixedly connected to the right end of the power output shaft 40, a linkage bevel gear 48 is fixedly connected to the lower end of the linkage shaft 27, a driven bevel gear 41 is fixedly connected to the upper end of the rotating shaft 17, the driven bevel gear 41 and the linkage bevel gear 48 are both meshed with the driving bevel gear 38, and the driven bevel gear 41 is opposite to the linkage bevel gear 48 in tooth form; the motor 39 is started, and the drive bevel gear 38 is driven to rotate through the power output shaft 40, so that the linkage bevel gear 48 and the driven bevel gear 41 are driven to rotate, and the rotation directions of the linkage bevel gear 48 and the driven bevel gear 41 are opposite.
Advantageously, a fixed block 42 with an opening facing the fixed support rod 32 is fixedly connected between two adjacent support plates 37 on the inner circular side wall of the threshing cavity 26, an annular groove 50 is formed in the fixed block 42, a rotating ring 43 is rotatably arranged in the annular groove 50, the rotating ring 43 is meshed with the linkage large gear 45, and a clamping groove 44 is formed in an annular array on the inner circular side wall of the rotating ring 43; after the lower half part of the corn is threshed, the upper half part of the corn which is positioned in the rotating circular ring 43 and is not threshed is clamped in the clamping groove 44 because of the corn kernels, under the condition that the rotating direction of the rotating circular ring 43 is the same as that of the threshing rod 36, the threshing speed between the corn and the tangent part of the rotating threshing rod 36 is accelerated, the threshing of the corn is further accelerated, and the corn kernels are prevented from scattering outwards under the blocking of the fixed block 42.
Beneficially, the inner wall of the upper side of the fan blade cavity 47 is provided with an exhaust hole 33, the upper end of the linkage shaft 27 is fixedly connected with an air suction fan blade 34, the inner side wall of the fan blade cavity 47 is fixedly connected with an air ventilation screen plate 51 on the lower side of the air suction fan blade 34, the linkage shaft 27 is in rotating fit with the air ventilation screen plate 51, and four filter screens 35 are arranged on the inner wall of the lower side of the fan blade cavity 47 in an annular array; the universal driving shaft 27 rotates to further drive the air suction fan blades 34 to rotate, flying scraps generated in corn threshing in the falling hole 24 penetrate through the filter screen 35 to be absorbed into the fan blade cavity 47 and are separated and blocked at the lower side of the ventilation screen plate 51, the filter screen 35 is used for preventing corn kernels from being absorbed into the fan blade cavity 47, and the air suction fan blades 34 rotate to generate air suction and exhaust air through the air exhaust holes 33.
In the initial state, the motor 39 does not operate, and the inside of the collection chamber 18 and the fan blade chamber 47 are in an idle state.
The motor 39 is started, the driving bevel gear 38 is driven to rotate through the power output shaft 40, the linkage bevel gear 48 and the driven bevel gear 41 are driven to rotate, the rotation directions of the linkage bevel gear 48 and the driven bevel gear 41 are opposite, the linkage shaft 27 is driven to rotate through the linkage bevel gear 48, the threshing rod 36 is driven to rotate, meanwhile, the rotating shaft 17 is driven to rotate through the rotation of the driven bevel gear 41, and the rotating ring 43 is driven to rotate through the linkage large gear 45;
corn to be threshed is placed in the feeding cavity 31, then the corn falls between two adjacent supporting plates 37 in the threshing cavity 26 and is in a vertical state, corn kernels on the corn are peeled off from the corn cobs when the threshing rods 36 rotate, the integrity of the corn cobs is ensured because the corn cobs are not in contact with the threshing rods 36, then the corn kernels are thrown into the falling holes 24 under the driving of the rotating threshing rods 36, and then the corn kernels pass through the material leakage through holes 46 and the communication holes 21 and fall into the collecting cavity 18; the corn threshing work is carried out from bottom to top, after the lower half part of the corn is threshed, the corn kernels which are not threshed are clamped in the clamping groove 44 by the upper half part of the corn which is positioned in the rotating circular ring 43 and is not threshed because of the corn kernels, under the condition that the rotating direction of the rotating circular ring 43 is the same as that of the threshing rod 36, the threshing speed between the corn and the tangent part of the rotating threshing rod 36 is accelerated, the corn threshing is further accelerated, and the condition that the corn is threshed when being threshed is prevented under the blocking of the fixed block 42;
then, the corn cob passes through the rotating circular ring 43 under the pressure of the gravity of the corn on the upper side and falls onto the side surface of the supporting circular table 11, a small part of corn kernels can be inevitably dropped while the corn cob falls, and when the corn kernels falling from the rotating circular ring 43 fall onto the side surface of the supporting circular table 11, the corn kernels pass through the filter screen 20 and fall into the collecting cavity 18, so that the dropped corn kernels are prevented from being mixed with the corn cob;
the rotating shaft 17 rotates and simultaneously drives the cam 16 to rotate, so that the push plate 19 slides towards the direction far away from the rotating shaft 17 through the outer circular surface of the cam 16, and the corncobs on the side surface of the supporting circular truncated cone 11 are pushed away from the supporting circular truncated cone 11 through one end, far away from the rotating shaft 17, of the push plate 19, so that the corncobs are prevented from being accumulated on the side surface of the supporting circular truncated cone 11, and the corncobs are prevented from falling off after being influenced;
the linkage shaft 27 rotates and simultaneously drives the air suction fan blades 34 to rotate, flying scraps generated when corns are threshed in the falling hole 24 penetrate through the filter screen 35 to be absorbed into the fan blade cavity 47 and are blocked at the lower side of the ventilation screen plate 51, the filter screen 35 is used for preventing corn kernels from being absorbed into the fan blade cavity 47, the air suction fan blades 34 rotate to suck air and simultaneously exhaust air through the exhaust holes 33, and the air suction fan blades 34 cannot generate suction force due to pressure loss in the fan blade cavity 47;
after the disengagement is completed, the motor 39 is stopped and the apparatus is returned to the initial state.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a prevent broken corn thresher of corncob, includes the support round platform, its characterized in that: a collecting cavity with an upward opening is arranged in the supporting round platform, a filter screen is arranged in the supporting round platform and communicates the collecting cavity with the outside, a supporting tube is fixedly connected to the upper end face of the supporting round platform, a communicating hole which is communicated up and down is arranged in the supporting tube and is communicated with the collecting cavity, eight supporting plates are fixedly connected to the annular array on the outer circular face of the supporting tube, a placing tube and an absorption box are arranged on the upper side of the supporting tube, the absorption box is positioned on the upper side of the placing tube, one end, close to the supporting tube, of the eight supporting plates is fixedly connected to the placing tube and the outer circular face of the absorption box, a falling hole which is communicated up and down is arranged in the placing tube, a chip absorbing hole with a downward opening is arranged in the absorption box, a fan blade cavity is arranged on the upper side of the chip absorbing hole in the absorption box, the lower end of the fixed support rod is positioned in the collection cavity, the fixed support rod is rotatably connected with a rotating shaft and a linkage shaft, the linkage shaft is positioned on the upper side of the rotating shaft, the upper end of the linkage shaft is positioned in the fan blade cavity and is rotatably matched with the inner wall of the lower side of the fan blade cavity, the lower end of the rotating shaft is rotatably matched with the inner wall of the lower side of the collection cavity, threshing rods are fixedly connected with the annular array between the absorption box and the placing pipe on the linkage shaft, one end of each threshing rod, far away from the linkage shaft, is positioned in the threshing cavity, a linkage gear wheel is fixedly connected between the placing pipe and the supporting pipe on the rotating shaft, and the annular array in the linkage gear wheel is provided with a vertically through material leaking; the utility model discloses a threshing device, including stay tube, threshing box, backup pad, threshing box, hopper type incasement, feed chamber, threshing chamber intercommunication just the upper end of absorption box is located the feed chamber, the one end that the backup pad was kept away from the stay tube has set firmly threshing box, threshing box is equipped with the threshing chamber that link up from top to bottom, the backup pad rigid coupling in on the round lateral wall in the threshing chamber, threshing box up end rigid coupling has hopper type case, hopper type incasement is equipped with the pay-off chamber that link up from top to bottom.
2. The corn thresher of claim 1, wherein: a push plate cavity is arranged at the lower side of the collecting cavity in the supporting circular truncated cone, the lower end of the rotating shaft is positioned in the push plate cavity, four push plates are arranged in the push plate cavity in a penetrating and sliding manner, the position relation among the four push plates is in a cross shape, a section of the push plate, which is far away from the rotating shaft, is positioned on the outer side of the supporting circular truncated cone, the inner wall of the lower side of the push plate cavity is respectively provided with a slide block groove with an upward opening corresponding to the lower side of the push plate, a linkage slide block is arranged in the slide block groove in a sliding way, the upper end of the linkage slide block is fixedly connected to the lower end surface corresponding to the push plate, a return spring is fixedly connected between the end surface of the linkage sliding block far away from the rotating shaft and the side wall of the sliding block groove far away from the rotating shaft, the lower extreme rigid coupling of axis of rotation has the cam, the push pedal is close to the one end of axis of rotation is contradicted on the excircle face of cam.
3. The corn thresher of claim 1, wherein: the motor is fixedly connected to the inner side wall of the left side of the falling hole, the power output shaft is connected to the right end face of the motor in a power connection mode, the driving bevel gear is fixedly connected to the right end of the power output shaft, the linkage bevel gear is fixedly connected to the lower end of the linkage shaft, the driven bevel gear is fixedly connected to the upper end of the rotating shaft, the linkage bevel gear is meshed with the driving bevel gear, and the tooth profile of the driven bevel gear is opposite to that of the linkage bevel gear.
4. The corn thresher of claim 1, wherein: the threshing cavity inner circular side wall is fixedly connected with two adjacent supporting plates, an opening faces towards the fixing block of the fixing supporting rod, an annular groove is formed in the fixing block, a rotating ring is arranged in the annular groove in a rotating mode, the rotating ring is meshed with the linkage gear wheel, and a clamping groove is formed in the circular side wall annular array in the rotating ring.
5. The corn thresher of claim 1, wherein: the fan blade cavity air inlet structure is characterized in that exhaust holes are formed in the inner wall of the upper side of the fan blade cavity, an air suction fan blade is fixedly connected to the upper end of the linkage shaft, an air ventilation screen plate is fixedly connected to the lower side of the air suction fan blade on the inner side wall of the fan blade cavity, the linkage shaft is rotatably matched with the air ventilation screen plate, and four filter screens are arranged on the inner wall of the fan blade cavity in an annular array mode.
CN202011260708.2A 2020-11-12 2020-11-12 Prevent broken corn thresher of corncob Withdrawn CN112262659A (en)

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Application Number Priority Date Filing Date Title
CN202011260708.2A CN112262659A (en) 2020-11-12 2020-11-12 Prevent broken corn thresher of corncob

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Application Number Priority Date Filing Date Title
CN202011260708.2A CN112262659A (en) 2020-11-12 2020-11-12 Prevent broken corn thresher of corncob

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CN112262659A true CN112262659A (en) 2021-01-26

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CN202011260708.2A Withdrawn CN112262659A (en) 2020-11-12 2020-11-12 Prevent broken corn thresher of corncob

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CN (1) CN112262659A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210315163A1 (en) * 2018-09-07 2021-10-14 Roy BREWIN Crop dust separation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210315163A1 (en) * 2018-09-07 2021-10-14 Roy BREWIN Crop dust separation system

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