CN107896649B

CN107896649B - Corn thresher capable of realizing threshing and split charging

Info

Publication number: CN107896649B
Application number: CN201711255131.4A
Authority: CN
Inventors: 熊雨淋
Original assignee: Individual
Current assignee: He Liang
Priority date: 2017-12-04
Filing date: 2017-12-04
Publication date: 2020-07-28
Anticipated expiration: 2037-12-04
Also published as: CN107896649A

Abstract

The invention discloses a corn thresher capable of realizing threshing and sub-packaging, which comprises: the feeding device comprises a holding basket and a feeding barrel, wherein the feeding barrel comprises a first shell and a feeding mechanism; the feeding mechanism comprises a first disc, a second disc and a transfer cylinder; the first disc is arranged at the inlet of the first shell, a first round hole is formed in the first disc, the second disc is arranged at the rear end of the first shell, a second round hole is formed in the second disc, and an annular blade is arranged in the second round hole; the transfer cylinder is arranged between the first round hole and the second round hole; the material shaking device is arranged at the rear end of the feeding cylinder and comprises a second shell, a mesh screen, a first vibration mechanism and a second vibration mechanism; a partition plate arranged in the second shell; the second shell is divided into an upper chamber and a lower chamber, the upper chamber separates the corn kernels and the corncobs, and the lower chamber separates the corn kernels and the impurities. The invention can realize automatic threshing and separate treatment of corn, corncob and impurities, thereby facilitating later-stage packaging.

Description

Corn thresher capable of realizing threshing and split charging

Technical Field

The invention relates to agricultural machinery, in particular to a corn thresher capable of realizing threshing and sub-packaging.

Background

Corn is one of the most important food grains in the world, and about one third of the world today has corn as the main food grain in the food composition of asians, 50% of which, more than 90%, africa 25% and latin america 40%. The cultivation history of corn in China is about 470 years. But the yield is high, the quality is good, the adaptability is strong, and the cultivation area develops quickly. At present, the sowing area of China is about 3 hundred million mu, which is second to rice and wheat and is the third place in grain crops. The labor after corn picking is undoubtedly huge for farmers because of the large yield and the value of each part of the corn itself. After the corn is picked, people in rural areas need to be put in an open field for airing after the corn is peeled, the corn is dried to a certain degree for threshing, the corn cob and impurities in the corn kernels need to be treated while threshing, the workload is invariably increased, great burden is caused to farmers, and the threshing machine capable of separating the corn kernels, the corn cob and the impurities is necessary.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

Still another object of the present invention is to provide a corn thresher capable of threshing and sub-packaging, which can separate corn kernels, corncobs and impurities while threshing, so as to reduce the labor intensity during the sub-packaging in the later period.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a corn thresher capable of threshing and sub-packaging integrally, comprising:

the feeding device comprises a placing basket and a feeding barrel, the placing basket is arranged on the side edge of an inlet of the feeding barrel and comprises a square frame body and a conveying belt, and a first opening matched with the corn in size is transversely arranged below the square frame body; the conveyor belt is arranged in the square frame and is connected with the first opening; an extension groove is formed in the front end of the first opening, and a first pushing mechanism is arranged at the bottom end of the extension groove to push the corns into the feeding hole; the feeding cylinder comprises a first shell and a feeding mechanism; the feeding mechanism is rotatably connected in the first shell and comprises a first disc, a second disc and a transmission cylinder; the first disc is arranged at the inlet of the first shell, a plurality of first round holes matched with the radial size of the corn are arranged on the first disc, and the first round holes are connected with the extension groove; the second disc is arranged at the rear end of the first shell, a second round hole opposite to the first round hole is formed in the second disc, and an annular blade which is connected in a rotatable mode is arranged in the second round hole; the transmission and reception cylinder is connected with the first round hole and the second round hole which are opposite, and the first pushing mechanism is arranged in the transmission and reception cylinder.

The material shaking device is arranged at the rear end of the feeding cylinder and comprises a second shell, a mesh screen, a first vibration mechanism and a second vibration mechanism; a partition plate is arranged in the second shell; the second shell is divided into two independent spaces by the partition plate, namely an upper chamber and a lower chamber; the partition plate is arranged below the second disc and connected with the first vibrating mechanism so as to enable the partition plate to shake left and right; a plurality of first holes are arranged along the longitudinal direction or the transverse direction of the clapboard; a second opening is formed in the right side of the upper cavity, and a first cover plate which is connected in a mode of rotating around the upper side edge of the second opening is arranged at the second opening; the extension plate is rotatably connected with the outer side of the bottom edge of the first cover plate, the extension plate is a telescopic plate, fixing clamps which can rotate around the side edges of the extension plate are symmetrically arranged on two sides of the extension plate, and the length of each fixing clamp is 5-15 cm; a first pushing plate is arranged on the left side of the upper chamber and connected with a second pushing mechanism so as to enable the first pushing plate to move left and right, and the length of the first pushing plate is 20-30 cm shorter than that of the upper chamber; the mesh screen is arranged in the lower chamber and is connected with the second vibration mechanism so as to vibrate up and down; the mesh number of the mesh screen is 3-6 meshes; a discharge hole is formed in the rear end of the lower cavity, a second cover plate is arranged at the discharge hole, and a second pushing plate is arranged at the front end of the lower cavity; the second pushing plate is connected with a third pushing mechanism so as to enable the second pushing plate to move back and forth.

Preferably, a baffle is arranged outside the extension groove; the baffle is including setting up preceding baffle and the setting of extending groove front end are in the side shield on the extending groove left side, preceding baffle is the ya keli board.

Preferably, the specific way of vibrating the mesh screen up and down is as follows: the mesh screen reciprocates up and down once per second, and when vibrating up and down for 5 seconds, the vibration stops, and the second pushing plate moves back and forth to push the corns out of the discharge hole.

Preferably, the second casing is provided with a third opening at a lower end of the mesh screen, a drawing box connected in a manner of moving left and right is provided in the third opening, and a pull ring is provided outside the drawing box.

Preferably, the air blower further comprises a blower device arranged at the diagonal position of the bottom end of the partition board, and the blower device comprises a blower body and a driving motor; the air blowing port of the blower body and the partition board form an included angle of 30-60 degrees; the blower body is connected with the driving motor so as to enable the blower body to work.

Preferably, the material receiving plate is further included and is connected to the outer side of the discharge port in a rotatable and detachable mode; the material receiving plate comprises a first end and a second end, the middle of the material receiving plate is sunken downwards, the first end of the material receiving plate is matched with the discharge hole, and the second end of the material receiving plate is matched with the caliber of the packaging bag; connect flitch second end to set up the mount, the mount includes dwang, carriage and dead lever, the dwang sets up with rotatable mode connect the flitch front end, the carriage is connected with the telescopic mode the end of dwang, the dead lever with carriage adaptation is connected with rotatable mode the inboard of carriage.

Preferably, the portable electronic device further comprises a bracket, the bracket is arranged at the lower ends of the first shell and the second shell, the bracket comprises a first supporting rod and a second supporting rod arranged below the first supporting rod, the first supporting rod is provided with a mounting hole, and the second supporting rod is provided with a convex block matched with the mounting hole; the bottom of second branch sets up the rubber sleeve.

The invention at least comprises the following beneficial effects:

in the threshing process, the corn is fed through the first round holes, and the annular blades can act simultaneously, so that the corns can be threshed simultaneously, and the threshing efficiency of the corns is greatly improved; the annular blade ensures the threshing integrity by the size matched with the size of the corncob, avoids the conditions of incomplete threshing and incomplete corn kernels, and ensures the effective output of corn threshing; through the threshing mechanism with the sealing performance, the threshed corns are well kept in the threshing machine, the situation that corn kernels are broken everywhere is avoided, and the trouble of cleaning in the later period is reduced; the corncobs and the corn kernels are well separated and retained in different spaces through the vibration of the partition plate, so that the corncobs and the corn kernels are conveniently separated and subpackaged at the later stage; impurities and corn kernels are separated through the vibration of the mesh screen and fall from mesh holes of the mesh screen, so that the purity of the corn kernels is guaranteed, and the trouble of later-stage screening is reduced; the corncobs and the corn kernels are respectively pushed out from the second opening and the discharge hole under the action of the first pushing plate and the second pushing plate, the second opening and the discharge hole are arranged in different directions so as to facilitate later-stage packaging, the extension plate can stretch to a certain length and is inserted into the packaging bag so as to enable the packaging bag to be propped up, and the two ends of the packaging bag are fixed by using the fixing clamps so as to enable the bag opening to be in an open state, so that the corncobs can conveniently enter the packaging bag, and the corncobs can be conveniently bagged; the threshing machine ensures the threshing integrity and the effective yield, reduces the trouble of cleaning and packaging in the later period and greatly reduces the labor intensity.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic structural diagram of a corn thresher capable of threshing and sub-packaging;

fig. 2 is a schematic structural view of an extension plate and a fixing clip according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 and 2, the present invention provides a corn thresher capable of threshing and sub-packaging, comprising:

the feeding device 100 comprises a holding basket 101 and a feeding barrel 102, wherein the holding basket 101 is arranged on the side of the inlet of the feeding barrel 102, the holding basket 101 comprises a square frame body 102 and a conveyor belt 103, and a first opening 104 matched with the corn in size is transversely arranged below the square frame body 102; the conveyor belt 103 is arranged in the square frame 102 and is connected with the first opening 104; an extension groove 105 is formed in the front end of the first opening 104, and a first pushing mechanism is arranged at the bottom end of the extension groove 105 to push the corns into the feeding hole; the feed cylinder 102 comprises a first housing 106 and a feed mechanism 107; the feeding mechanism 107 is rotatably connected in the first housing 106, and comprises a first disk 108, a second disk 109 and a transfer cylinder 110; the first disk 108 is arranged at the inlet of the first shell 106, a plurality of first round holes 111 matched with the radial size of the corn are arranged on the first disk 108, and the first round holes 111 are connected with the extension groove 105; the second disk 109 is arranged at the rear end of the first housing 106, a second circular hole 112 opposite to the first circular hole 111 is arranged on the second disk 109, and an annular blade 113 connected in a rotatable manner is arranged in the second circular hole 112; the transmission cylinder 110 is connected with the first circular hole 111 and the second circular hole 112 which are opposite, and the first pushing mechanism is arranged in the transmission cylinder 110.

A material shaking device 200 arranged at the rear end of the feeding cylinder 102, wherein the material shaking device 200 comprises a second shell 201, a mesh screen 202, a first vibration mechanism and a second vibration mechanism; a partition plate 203 is arranged in the second shell 201; the partition plate 203 divides the second shell 201 into two independent spaces, namely an upper chamber 204 and a lower chamber 205; the partition plate 203 is arranged below the second disc 109 and connected with the first vibration mechanism, so that the partition plate 203 can shake left and right; a plurality of first holes 206 are arranged along the longitudinal direction or the transverse direction of the baffle plate 203; a second opening 207 is arranged at the right side of the upper chamber 204, and a first cover plate 208 connected in a manner of rotating around the upper side of the second opening 207 is arranged at the second opening 207; an extension plate 209 connected in a rotatable manner is arranged on the outer side of the bottom edge of the first cover plate 208, the extension plate 209 is a telescopic plate, fixing clamps 210 which can rotate around the side edges of the extension plate 209 are symmetrically arranged on two sides of the extension plate 209, and the length of each fixing clamp 210 is 5-15 cm; a first pushing plate 211 is arranged on the left side of the upper chamber 204, the first pushing plate 211 is connected with a second pushing mechanism so that the first pushing plate 211 moves left and right, and the length of the first pushing plate 211 is 20-30 cm shorter than that of the upper chamber 204; the mesh 202 is disposed in the lower chamber 205 and connected to the second vibrating mechanism to vibrate the mesh 202 up and down; the mesh number of the mesh screen 202 is 3-6 meshes; a discharge hole 212 is formed in the rear end of the lower chamber 205, a second cover plate 213 is arranged at the discharge hole 212, and a second pushing plate 214 is arranged at the front end of the lower chamber 205; the second pushing plate 214 is connected to a third pushing mechanism to move the second pushing plate 214 back and forth.

In the scheme, the specific process of corn threshing is as follows: placing a plurality of corns in the holding basket 101, conveying the corns to a first opening 104 through the conveying belt, then falling into the extension groove 105, entering the first round hole 111 through the action of the first pushing mechanism, and entering the annular blade 113 at the second round hole 112 through the action of the first pushing mechanism until the corns pass through the second round hole 112 to complete threshing of the corns; corn cob after threshing gets into under the promotion of rear end maize go up cavity 204, the kernel of corn gets into go up cavity 204, warp again first vibration mechanism makes baffle 203 vibrates, so that the kernel of corn warp in going up cavity 204 gets into first hole 206 cavity 205 falls down on the mesh screen 202, the kernel of corn warp that goes up cavity 204 and leave send out under the effect of first push pedal 211 second opening 207, the mesh screen 202 is in vibration from top to bottom under the effect of second vibration mechanism to make kernel of corn and impurity separate, impurity follow fall down in the mesh hole of mesh screen 202, leave the kernel of corn that the purity is high, warp again the department of delivering under the effect of second push pedal 214 the discharge gate 212 to accomplish the whole process of corn threshing and ejection of compact.

In the threshing process, the corns are fed through the first round holes 111, and the annular blades 113 can act simultaneously, so that the corns can be threshed simultaneously, and the threshing efficiency of the corns is greatly improved; the annular blade 113 ensures the threshing integrity by adapting to the size of the corncob, avoids the conditions of incomplete threshing and incomplete corn kernels, and ensures the effective output of corn threshing; through the threshing mechanism with the sealing performance, the threshed corns are well kept in the threshing machine, the situation that corn kernels are broken everywhere is avoided, and the trouble of cleaning in the later period is reduced; the corncobs and the corn kernels are well separated and retained in different spaces through the vibration of the partition plate 203, so that the corncobs and the corn kernels are conveniently separated and subpackaged at the later stage; impurities are separated from the corn kernels through the vibration of the mesh screen 202 and fall from the mesh holes of the mesh screen 202, so that the purity of the corn kernels is guaranteed, and the trouble of later-stage screening is reduced; the corncobs and the corn kernels are respectively pushed out from the second opening 207 and the discharge hole 212 under the action of the first pushing plate 211 and the second pushing plate 214, the second opening 207 and the discharge hole 212 are arranged in different directions so as to be convenient for later packaging, the extension plate 209 can be stretched to a certain length and inserted into a packaging bag so as to support the packaging bag, two ends of the packaging bag are fixed by using the fixing clamp 210 so as to enable the bag opening to be in an open state, so that the corncobs can conveniently enter the packaging bag, and the corncobs are very convenient to bag; the threshing machine ensures the threshing integrity and the effective yield, reduces the trouble of cleaning and packaging in the later period and greatly reduces the labor intensity.

In a preferred scheme, a baffle plate 114 is arranged outside the extension groove 105; the baffle 114 includes a front baffle 115 disposed at a front end of the extension slot 105 and a side baffle 116 disposed at a left side of the extension slot 105, and the front baffle 115 is an acrylic plate.

In the above scheme, the setting of baffle 114 can prevent that the maize from following it falls to extend groove 105, makes the smooth entering of maize first round hole 111, the inferior gram force board that preceding baffle 115 adopted can make operating personnel clear see the maize and get into because of its transparent attribute the condition of first round hole 111 more does benefit to the process of mastering the maize threshing.

In a preferred embodiment, the specific way of vibrating the mesh screen 202 up and down is as follows: the mesh screen 202 reciprocates up and down once per second, and when the mesh screen vibrates up and down for 5 seconds, the vibration stops, and the second pushing plate 214 moves back and forth to push the corns out of the discharge port 212.

In the above scheme, the mesh screen 202 vibrates up and down relatively quickly so as to separate impurities different from the corn kernels, the impurities fall from the meshes of the mesh screen 202 through multiple times of vibration, so that the corn kernels are cleaner and the impurities are reduced, and after the vibration stops, the second push plate 121 on the same plane as the mesh screen 202 moves forward so that the corn kernels on the mesh screen 202 fall from the discharge hole 210.

In a preferred embodiment, the second housing 201 is provided with a third opening 215 at a lower end of the mesh screen 202, a drawing box 216 connected in a left-right movable manner is provided in the third opening 215, and a pull ring 217 is provided outside the drawing box 216.

In the above scheme, pull box 216 sets up the mesh screen 202 lower extreme, in order to receive the follow dust and impurity that mesh screen 202 fell are favorable to alleviateing the intensity of labour when threshing the place and cleaning after the later stage was threshed, have avoided threshing simultaneously that dust flies upward to the pollution of place environment and to the injury of people's health.

In a preferred scheme, the air blowing device is arranged at the diagonal position of the bottom end of the partition plate 203 and comprises an air blower body 301 and a driving motor; the air blowing port of the blower body 301 and the partition plate 203 form an included angle of 30-60 degrees; the blower body 301 is connected to the driving motor to operate the blower body 301.

In the above scheme, the blower body 301 is arranged at the diagonal position of the bottom end of the partition plate 203, blows air to the vibrating corn kernels, blows dust on the corn kernels and impurities in the corn kernels into the lower end of the mesh screen 202, so as to ensure that the cleanliness of the corn kernels coming out from the discharge port 212 can be directly bagged and packaged, and the overall quality of the corn kernels is ensured.

In a preferred scheme, the material receiving plate 400 is further included, and the material receiving plate 400 is rotatably and detachably connected to the outer side of the material outlet 212; the middle part of the receiving plate 400 is sunken downwards, the first end of the receiving plate 400 is matched with the discharge hole 212, and the second end of the receiving plate 400 is matched with the caliber of the packaging bag; the second end of the material receiving plate 400 is provided with a fixing frame 401, the fixing frame 401 comprises a rotating rod 402, a supporting frame 403 and a fixing rod 404, the rotating rod 402 is rotatably arranged at the front end of the material receiving plate 400, the supporting frame 403 is telescopically connected at the tail end of the rotating rod 402, and the fixing rod 404 is matched with the supporting frame 403 and is rotatably connected at the inner side of the supporting frame 403.

In the above scheme, the first end of the material receiving plate 400 is in butt joint with the discharge port 212, the second end of the material receiving plate 400 is in butt joint with the packaging bag, corn kernels fall to the material receiving plate 400 after being discharged from the discharge port 212, and slide to the second end along the concave part in the middle until entering the packaging bag, so that the corn kernels can be directly packaged during discharging, the corn kernels can be conveniently packaged, the trouble of packaging the corn kernels into the packaging bag by using other loading tools is reduced, and the labor intensity is greatly reduced; the packaging bag is fixed on the supporting frame 403 through the fixing rod 404, and the rotating rod is connected with the material receiving plate 400, so that people do not need to stand on the packaging bag to hold the bag all the time, hands are liberated, and efficiency is improved.

In a preferred scheme, the device further comprises a bracket 500 which is arranged at the lower end of the first shell 106 and the second shell 201, the bracket 500 comprises a first supporting rod 501 and a second supporting rod 502 which is arranged below the first supporting rod 501, a mounting hole 503 is arranged on the first supporting rod 501, and a lug which is matched with the mounting hole 503 is arranged on the second supporting rod 502; the bottom end of the second supporting rod 502 is provided with a rubber sleeve.

In the above solution, the protrusions are inserted into the mounting holes 503 through the matching of the protrusions and the mounting holes 503, so that the rack 500 has different heights, which facilitates to adjust the height of the rack 500 according to the different heights of the filled bags when the bags are filled at the discharge port 212 and the second opening 207, so as to fill the bags one position for the subsequent packaging.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A corn thresher capable of realizing threshing and sub-packaging, which comprises:

the feeding device comprises a placing basket and a feeding barrel, the placing basket is arranged on the side edge of an inlet of the feeding barrel and comprises a square frame body and a conveying belt, and a first opening matched with the corn in size is transversely arranged below the square frame body; the conveyor belt is arranged in the square frame and is connected with the first opening; an extension groove is formed in the front end of the first opening, and a first pushing mechanism is arranged at the bottom end of the extension groove to push the corns into the feeding hole; the feeding cylinder comprises a first shell and a feeding mechanism; the feeding mechanism is rotatably connected in the first shell and comprises a first disc, a second disc and a transmission cylinder; the first disc is arranged at the inlet of the first shell, a plurality of first round holes matched with the radial size of the corn are arranged on the first disc, and the first round holes are connected with the extension groove; the second disc is arranged at the rear end of the first shell, a second round hole opposite to the first round hole is formed in the second disc, an annular blade which is connected in a rotatable mode is arranged in the second round hole, and the annular blade is matched with the outer diameter of the corncob; the transmission and reception cylinder is connected with the first round hole and the second round hole which are opposite, and the first pushing mechanism is arranged in the transmission and reception cylinder;

the material shaking device is arranged at the rear end of the feeding cylinder and comprises a second shell, a mesh screen, a first vibration mechanism and a second vibration mechanism; a partition plate is arranged in the second shell; the second shell is divided into two independent spaces by the partition plate, namely an upper chamber and a lower chamber; the partition plate is arranged below the second disc and connected with the first vibrating mechanism so as to enable the partition plate to shake left and right; a plurality of first holes are arranged along the longitudinal direction or the transverse direction of the clapboard; a second opening is formed in the right side of the upper cavity, and a first cover plate which is connected in a mode of rotating around the upper side edge of the second opening is arranged at the second opening; the extension plate is rotatably connected with the outer side of the bottom edge of the first cover plate, the extension plate is a telescopic plate, fixing clamps which can rotate around the side edges of the extension plate are symmetrically arranged on two sides of the extension plate, and the length of each fixing clamp is 5-15 cm; a first pushing plate is arranged on the left side of the upper chamber and connected with a second pushing mechanism so as to enable the first pushing plate to move left and right, and the length of the first pushing plate is 20-30 cm shorter than that of the upper chamber; the mesh screen is arranged in the lower chamber and is connected with the second vibration mechanism so as to vibrate up and down; the mesh number of the mesh screen is 3-6 meshes; a discharge hole is formed in the rear end of the lower cavity, a second cover plate is arranged at the discharge hole, and a second pushing plate is arranged at the front end of the lower cavity; the second pushing plate is connected with a third pushing mechanism so as to enable the second pushing plate to move back and forth; the receiving plate is connected to the outer side of the discharge hole in a rotatable and detachable mode; the material receiving plate comprises a first end and a second end, the middle of the material receiving plate is sunken downwards, the first end of the material receiving plate is matched with the discharge hole, and the second end of the material receiving plate is matched with the caliber of the packaging bag; connect flitch second end to set up the mount, the mount includes dwang, carriage and dead lever, the dwang sets up with rotatable mode connect the flitch front end, the carriage is connected with the telescopic mode the end of dwang, the dead lever with carriage adaptation is connected with rotatable mode the inboard of carriage.

2. The corn thresher capable of realizing threshing and sub-packaging as a whole according to claim 1, wherein a baffle is arranged outside the extension groove; the baffle is including setting up preceding baffle and the setting of extending groove front end are in the side shield on the extending groove left side, preceding baffle is the ya keli board.

3. The corn thresher capable of threshing and sub-packaging as claimed in claim 1, wherein the screen is vibrated up and down in the following specific manner: the mesh screen reciprocates up and down once per second, and when vibrating up and down for 5 seconds, the vibration stops, and the second pushing plate moves back and forth to push the corns out of the discharge hole.

4. The corn thresher capable of threshing and sub-packaging as claimed in claim 1, wherein said second casing has a third opening at a lower end of said screen, said third opening has a pull box connected in a side-to-side movable manner, and said pull box has a pull ring at an outer side thereof.

5. The corn thresher capable of realizing threshing and sub-packaging as a whole according to claim 1, further comprising a blower device arranged at the diagonal position of the bottom end of the partition plate, wherein the blower device comprises a blower body and a driving motor; the air blowing port of the blower body and the partition board form an included angle of 30-60 degrees; the blower body is connected with the driving motor so as to enable the blower body to work.

6. The corn thresher capable of threshing and sub-packaging as claimed in claim 1, further comprising a bracket disposed at the lower end of the first casing and the second casing, the bracket comprising a first supporting rod and a second supporting rod disposed below the first supporting rod, the first supporting rod having a mounting hole, the second supporting rod having a projection adapted to the mounting hole; the bottom of second branch sets up the rubber sleeve.