阅读说明：本技术 玉米剥皮脱粒装置 (Corn peeling and threshing device ) 是由 张涛 张莹 梁涛 唐兴隆 李鸿 蒋睿 庞有伦 潘良 张先锋 于 2021-09-03 设计创作，主要内容包括：本发明提供一种玉米剥皮脱粒装置,包括机架、动力机构、入料斗、剥皮装置、脱粒装置和玉米粒收集斗；剥皮装置包括一对螺旋剥皮辊和位于两个螺旋剥皮辊上方的剥皮爪,两个螺旋剥皮辊相向转动,用于撕扯玉米皮并将玉米向下游传送,剥皮爪用于将玉米皮沿玉米的轴向剥下；脱粒装置包括主动脱粒辊和两个随动脱粒辊,主动脱粒辊上设置有螺旋叶片和脱粒结构,主动脱粒辊和两个随动脱粒辊之间形成玉米的脱粒传输通道,玉米在脱粒传输通道中脱粒并向下游传送。本发明通过螺旋剥皮辊模仿人的手撕扯玉米皮,并且通过剥皮爪模仿人手抠玉米皮,达到较好的去皮效果,通过主动脱粒辊和两个随动脱粒辊在玉米外围的三个方向的形成揉搓,提高脱粒效率。(The invention provides a corn peeling and threshing device which comprises a rack, a power mechanism, a feeding hopper, a peeling device, a threshing device and a corn kernel collecting hopper, wherein the feeding hopper is arranged on the rack; the peeling device comprises a pair of spiral peeling rollers and peeling claws positioned above the two spiral peeling rollers, the two spiral peeling rollers rotate oppositely and are used for tearing corn husks and conveying the corns to the downstream, and the peeling claws are used for peeling the corn husks along the axial direction of the corns; the threshing device comprises a driving threshing roller and two follow-up threshing rollers, wherein the driving threshing roller is provided with a helical blade and a threshing structure, a threshing transmission channel for corns is formed between the driving threshing roller and the two follow-up threshing rollers, and the corns are threshed in the threshing transmission channel and are transmitted to the downstream. According to the invention, the corn husks are torn by the spiral peeling roller in a human-simulated hand mode, the peeling claw in the human-simulated hand mode is used for picking the corn husks, a better peeling effect is achieved, and the threshing efficiency is improved by kneading the driving threshing roller and the two follow-up threshing rollers in three directions of the periphery of the corn.)

1. A corn husking and threshing device is characterized by comprising:

the corn thresher comprises a rack, and a power mechanism, a feeding hopper, a peeling device, a threshing device and a collecting hopper which are arranged on the rack, wherein the collecting hopper is used for collecting corn kernels;

the peeling device is connected with the feeding hopper and comprises a pair of spiral peeling rollers and peeling claws positioned above the two spiral peeling rollers, the two spiral peeling rollers rotate in opposite directions and are used for tearing corn husks and conveying the corns to the downstream, a corn conveying channel for conveying the corns from the back to the front is formed between the peeling claws and the two spiral peeling rollers, and the peeling claws are used for peeling the corn husks along the axial direction of the corns;

threshing device is located peeling device's low reaches, including initiative threshing roller and two follow-up threshing rollers, be provided with the threshing teeth on the follow-up threshing roller, be provided with helical blade and threshing structure on the initiative threshing roller, form the transmission path of threshing of maize between initiative threshing roller and two follow-up threshing rollers, the maize is threshed and is conveyed downstream in threshing transmission path.

2. The corn husking and threshing device of claim 1, wherein: the device of skinning still including the outer race of skinning, the shell of skinning and be used for the installation to skin the supporting mechanism of claw, it is provided with maize import and maize export on the shell of skinning, go into hopper and maize access connection to be close to the rear end of spiral peeling roller, the claw of skinning is close to the front end of spiral peeling roller, elastic connection between claw of skinning and the supporting mechanism to change maize transmission channel's size.

3. The corn husking and threshing device of claim 2, wherein: the supporting mechanism comprises a first arc-shaped supporting arm and a second arc-shaped supporting arm which are arranged at the front and back of the transmission direction at intervals, the peeling claw comprises a plurality of peeling fingers which are arranged at the intervals of the extending directions of the first arc-shaped supporting arm and the second arc-shaped supporting arm, the peeling fingers are small from the back to the front, the rear end of the peeling finger is rotatably connected with the second arc-shaped supporting arm, the front end of the peeling finger is suspended, and the middle or the front of the peeling finger is connected with the first arc-shaped supporting arm through a spring.

4. The corn husking and threshing device of claim 3, wherein: the rear end of the peeling finger is sleeved on the second arc-shaped supporting arm, and the first arc-shaped supporting arm and/or the second arc-shaped supporting arm are/is provided with an isolation sleeve for separating two adjacent peeling fingers.

5. The corn husking and threshing device of claim 3, wherein: the back of the peeling fingers turns outwards, the front of the peeling fingers shrinks inwards, the peeling fingers gradually get close to each other from back to front, and the width of the peeling fingers gradually decreases from back to front.

6. The corn husking and threshing device of claim 1, wherein: the threshing structure at the rear section of the driving threshing roller is trapezoidal toothed nails which are uniformly distributed along the circumferential direction of the driving threshing roller; the threshing structure of the front section of the driving threshing roller is a spherical beating hammer, and the beating hammer is installed on the driving threshing roller through a beating seat and is uniformly distributed along the circumferential direction of the driving threshing roller.

7. The corn husking and threshing device of claim 6, wherein: the height of the striking hammer along the radial direction of the driving threshing roller is higher than that of the trapezoidal toothed nails along the radial direction of the driving threshing roller.

8. The corn husking and threshing device of claim 6, wherein: the front end of a roll shaft of the driving threshing roll is connected with a forced core discharging plate rotating along with the driving threshing roll, the forced core discharging plate is positioned in front of the threshing transmission channel, and the forced core discharging plate is arranged in a plurality along the circumferential direction of the roll shaft at intervals.

9. The corn husking and threshing device of claim 1, wherein: the corn peeling and threshing device further comprises an impurity conveying mechanism, wherein the impurity conveying mechanism is used for collecting corn husks and corncobs and sending the corn husks and the corncobs out.

10. The corn husking and threshing device of claim 9, wherein: impurity conveying mechanism includes the delivery box and establishes the screw conveyer in the delivery box, the delivery box sets up in the below of device of skinning and thresher, sets up on the delivery box and connects the material mouth and be used for collecting the second of corncob with the first material mouth that connects that the spiral peeling roller corresponds.

Technical Field

The invention belongs to the field of agricultural machinery, and particularly relates to a corn peeling and threshing device.

Background

With the development of science and technology, the corn industry belt is gradually enlarged, the corn yield is greatly improved, and the corn peeling, threshing, cleaning and other links are independent and are not integrated into one device. The existing corn thresher mostly adopts a roller type, corncobs and corn kernels are separated by rotating a rotating shaft at a high speed, however, the separation mode is low in production efficiency mostly, threshing time is long, careful work of corn threshing cannot be realized, one workload is large, blockage is caused easily, use is influenced, the condition of destroying the corn kernels is avoided, the corncobs are easy to smash, impurities and the corn kernels exist simultaneously, and complex work such as impurity screening is needed subsequently. At present, the corn peeling is manually operated, so that the labor intensity is high and the efficiency is low; the threshed corncobs are not effectively recovered, and no corn thresher which can realize peeling and threshing under the condition of protecting corn kernels as far as possible exists in the market at present.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, an object of the present invention is to provide a corn peeling and threshing device, which integrates peeling and threshing, improves peeling and threshing efficiency, and reduces labor intensity.

To achieve the above and other related objects, the present invention provides a corn husking and threshing apparatus comprising: the corn thresher comprises a rack, and a power mechanism, a feeding hopper, a peeling device, a threshing device and a collecting hopper which are arranged on the rack, wherein the collecting hopper is used for collecting corn kernels;

the peeling device is connected with the feeding hopper and comprises a pair of spiral peeling rollers and peeling claws positioned above the two spiral peeling rollers, the two spiral peeling rollers rotate in opposite directions and are used for tearing corn husks and conveying the corns to the downstream, a corn conveying channel for conveying the corns from the back to the front is formed between the peeling claws and the two spiral peeling rollers, and the peeling claws are used for peeling the corn husks along the axial direction of the corns;

threshing device is located peeling device's low reaches, including initiative threshing roller and two follow-up threshing rollers, be provided with the threshing teeth on the follow-up threshing roller, be provided with helical blade and threshing structure on the initiative threshing roller, form the transmission path of threshing of maize between initiative threshing roller and two follow-up threshing rollers, the maize is threshed and is conveyed downstream in threshing transmission path.

Optionally, the device of skinning still includes the outer seat of skinning, skins the shell and is used for installing the supporting mechanism who skins the claw, it is provided with maize import and maize export on the shell to skin, go into hopper and maize access connection to be close to the rear end of spiral peeling roller, the claw of skinning is close to the front end of spiral peeling roller, elastic connection between claw and the supporting mechanism of skinning to change the size of maize transmission channel.

Optionally, supporting mechanism includes first arc support arm and the second arc support arm that the interval set up around the direction of transmission, it indicates to skin a plurality of that the claw includes the extending direction interval setting along first arc support arm and second arc support arm, and each skin the space that indicates to enclose diminishes from back to front gradually, the rear end and the second arc support arm that indicate of skinning rotate to be connected, and the front end is unsettled, it indicates to skin the middle part or the front portion and first arc support arm between through spring coupling.

Optionally, the rear end of each peeling finger is sleeved on the second arc-shaped supporting arm, and an isolating sleeve used for isolating two adjacent peeling fingers is arranged on the first arc-shaped supporting arm and/or the second arc-shaped supporting arm.

Optionally, the rear parts of the peeling fingers are turned outwards, the front parts of the peeling fingers are contracted inwards, the peeling fingers are gradually closed from back to front, and the width of the peeling fingers is gradually reduced from back to front.

Optionally, the threshing structure at the rear section of the driving threshing roller is trapezoidal toothed nails which are uniformly distributed along the circumferential direction of the driving threshing roller; the threshing structure of the front section of the driving threshing roller is a spherical beating hammer, and the beating hammer is installed on the driving threshing roller through a beating seat and is uniformly distributed along the circumferential direction of the driving threshing roller.

Optionally, the height of the striking hammer in the radial direction of the driving threshing roller is higher than the height of the trapezoidal toothed nails in the radial direction of the driving threshing roller.

Optionally, the front end of the roller shaft of the driving threshing roller is connected with a forced core discharging plate rotating along with the driving threshing roller, the forced core discharging plate is located in front of the threshing transmission channel, and the forced core discharging plate is arranged in a plurality of positions at intervals along the circumferential direction of the roller shaft.

Optionally, the corn husking and threshing device further comprises an impurity conveying mechanism, wherein the impurity conveying mechanism is used for collecting corn husks and corn cobs and conveying the corn husks and the corn cobs out.

Optionally, impurity conveying mechanism includes the delivery box and establishes the screw conveyer in the delivery box, the delivery box sets up in the below of peeling device and thresher, offers the first material mouthful that connects that corresponds with spiral peeling roller on the delivery box and connects the material mouthful and be used for collecting the second of corncob to connect the material mouthful.

As described above, the present invention has the following advantageous effects: according to the invention, the spiral peeling roller is used for imitating a human hand to tear corn husks, and the peeling claw is used for imitating a human hand to scratch the corn husks, so that a better peeling effect is achieved, kneading threshing is carried out through the driving threshing roller and the two follow-up threshing rollers in the threshing aspect, compared with a traditional threshing roller, kneading is formed in three directions of the periphery of the corn, the threshing efficiency is improved, and the damage is reduced. The multifunctional threshing machine realizes the integration of peeling and threshing in function, has compact structure, small machine type and convenient transportation, and reduces the manual strength.

Drawings

FIG. 1 is a schematic perspective view of an embodiment;

FIG. 2 is a perspective view of an alternate angle of an embodiment;

FIG. 3 is a front view of one embodiment;

FIG. 4 is a schematic view of the hidden portion of the housing of FIG. 1;

FIG. 5 is a schematic diagram of the peeling apparatus in one embodiment;

FIG. 6 is a perspective view of a debarking assembly in one embodiment;

FIG. 7 is a top view of the debarking assembly in one embodiment;

fig. 8 is a schematic view of the internal structure of the threshing device in one embodiment;

FIG. 9 is a schematic view of the concealed mount and bezel of FIG. 8;

FIG. 10 is a top view of FIG. 8;

FIG. 11 is a bottom view of FIG. 8;

FIG. 12 is an exploded view of FIG. 9;

FIG. 13 is a schematic view showing the position of corn cobs as they are transported in the threshing device;

FIG. 14 is a left side view of FIG. 11;

FIG. 15 is a perspective view of a foreign material transfer mechanism in one embodiment;

fig. 16 is a schematic structural view of a screw conveyor in one embodiment.

Part number description:

100-a frame; 200-feeding into a hopper; 300-a peeling device; 31-a spiral peeling roller; 31 a-a spiral conveying structure; 32-gear; 33-a pulley; 34-a second arcuate support arm; 35-peeling claws; 35 a-peeling fingers; 36-a first arcuate support arm; 37-a spring; 38-spacer sleeve; 39-a guide rod; 310-peeling outer base; 311-peeling the shell; 400-a threshing device; 41-a mounting seat; 42-follow-up threshing roller; 421-threshing teeth; 43-active threshing roller; 431-helical blades; 432-trapezoidal spikes; 433-a striking hammer; 434-striking seat; 44-forced core plate discharge; 45-baffle plate; 46-a housing; 500-collecting hopper; 600-an impurity delivery mechanism; 61-a conveying box; 62-a screw conveyor; 63-a first material receiving port; 64-a second receiving port; 700-corn cob; 81-driving a motor; 82-a transmission rod; 83-a pulley; 84-belt.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Examples

As shown in fig. 1-4, the corn peeling and threshing device in this embodiment includes a frame 100, and a power mechanism, a feeding hopper 200, a peeling device 300, and a threshing device 400, which are disposed on the frame 100, wherein the power mechanism employs a driving motor 81, and the power of the peeling device 300 and the threshing device 400 can be provided by the driving motor 81 or by separate motors.

The front-back direction in this example is forward of the corn conveying direction, i.e., corn is conveyed from back to front.

Wherein the feeding hopper 200 is connected with the peeling device 300 and is used for feeding the corn which is not peeled, the outlet of the feeding hopper 200 is arranged in a strip shape, so that the corn can be transversely fed into the peeling device 300, the peeling device 300 comprises a pair of spiral peeling rollers 31 arranged side by side and a peeling claw 35 positioned above the two spiral peeling rollers 31, the spiral peeling rollers 31 are provided with spiral conveying structures 31a, the two spiral peeling rollers 31 rotate oppositely (namely rotate towards the inner sides of the two spiral peeling rollers from top to bottom), for tearing corn husks downwards and conveying the corn to the downstream, a corn conveying channel is formed between the peeling claw 35 and the two spiral peeling rollers 31, the peeling claw 35 is used for peeling the corn husks along the axial direction of the corn, that is, in the process of conveying the corn from back to front, the head part of the corn with the stigma is in front, the tail part of the corn is in back, and the peeling claw 35 peels the corn from front to back; therefore, a better peeling effect is achieved by simulating tearing and hand digging of a person.

The threshing device 400 is positioned at the downstream of the peeling device 300, the peeled corns are sent into the threshing device 400 to be threshed, the threshing device 400 comprises a driving threshing roller 43 and two following threshing rollers 42, the driving threshing roller 43 is connected with power, and the following threshing rollers 42 are not connected with power; be provided with a plurality of threshing teeth on the follow-up threshing roller 42, be provided with helical blade 431 and threshing structure on the initiative threshing roller 43 to convey maize forward and thresh, form the transmission path of threshing of maize between initiative threshing roller 43 and two follow-up threshing rollers 42, the maize is threshed and is carried downstream in threshing transmission path, realizes threshing through the cooperation of threshing structure and threshing teeth promptly, is different from traditional cylinder threshing mode.

Above-mentioned structure, the hand of imitating the people through spiral peeling roller 31 tears the corn husk to imitate the people through the claw 35 of skinning and hand the corn husk of digging, reach better shelling effect, rub threshing through initiative threshing roller 43 and two follow-up threshing roller 42 in the aspect of threshing, compare in traditional threshing cylinder, rub in the formation of maize outlying three direction, improve threshing efficiency, and reduce the damage. The multifunctional threshing machine realizes the integration of peeling and threshing in function, has compact structure, small machine type and convenient transportation, and reduces the manual strength.

Referring to fig. 4 to 7, in this embodiment, the peeling device 300 further includes an outer peeling base 310 mounted on the frame 100 and a peeling shell 311 mounted on the outer peeling base 310, a supporting mechanism for mounting the peeling claw 35 is disposed on the outer peeling base 310, a corn inlet and a corn outlet a are disposed on the peeling shell 311, the corn inlet is connected to the feeding hopper 200 and is close to the rear end of the helical peeling roller 31, the peeling claw 35 is located close to the front end of the helical peeling roller 31, and the peeling claw 35 is elastically connected to the supporting mechanism to change the size of the corn conveying channel to adapt to peeling of corn with different sizes. Wherein, the rear ends of the two spiral peeling rollers 31 are respectively connected with a gear 32, the gears 32 of the two spiral peeling rollers 31 are meshed, one gear 32 or the spiral peeling roller 31 is connected with power to drive the two spiral peeling rollers 31 to rotate, in this example, the spiral peeling roller 31 connected with power is connected with a belt wheel 33, and the driving motor 81 transmits power to the spiral peeling rollers 31 through a belt, the belt wheel and the like. The specification of the peeling device 300 can be designed to accommodate peeling of one corn at a time, the miniaturization of the structure and the more thorough peeling are realized, the peeling claw 35 can be arranged at the outlet position of the peeling device 300 and is sent into the threshing device 400 after passing through the peeling claw 35, and the peeled corn husks are pulled downwards by the spiral peeling roller 31 and fall into the impurity conveying mechanism 600.

In one embodiment, the support mechanism includes first and second arcuate support arms 36, 34 spaced apart in a fore-and-aft direction, the first and second arcuate support arms 36, 34 each having an upwardly arched configuration, and the first arc-shaped supporting arm 36 is positioned in front of the second arc-shaped supporting arm 34, the peeling claw 35 comprises a plurality of peeling fingers 35a arranged at intervals along the extending direction of the first arc-shaped supporting arm 36 and the second arc-shaped supporting arm 34, and the space surrounded by each peeling finger 35a is gradually reduced from back to front, so as to gradually clamp the corn and play a role of picking up corn husks, the rear end of the peeling finger 35a is rotatably connected with the second arc-shaped supporting arm 34, the front end is suspended, the suspended end can be provided with a blunt blade part or a hook part, the middle or front portion of the peeling claw 35 is connected to a first arcuate support arm 36 by a spring 37. The structure enables the peeling finger 35a to have internal and external movement allowance, and is self-adaptive to corns with different sizes.

As shown in fig. 6 and 7, in particular, the rear ends of the peeling fingers 35a are sleeved on the second arc-shaped supporting arms 34, and the first arc-shaped supporting arms 36 and/or the second arc-shaped supporting arms 34 are provided with isolating sleeves 38 for isolating the two adjacent peeling fingers 35a so as to ensure the interval between the peeling fingers 35 a.

The rear end of the peeling finger 35a is turned outwards to facilitate the introduction of the corn, the front end is contracted inwards to facilitate the elastic compression contact of the corn, and the corn husks are better peeled off, each peeling finger 35a is gradually closed from back to front so as to form a contraction structure at the outlet position of the peeling claw 35 to provide peeling quality, the width of the peeling finger 35a is gradually reduced from back to front, so that the peeling finger 35a integrally has enough strength, and the front end also has enough elasticity and flexibility to avoid damaging the corn. The peeling finger 35a is positioned at the inner side of the first arc-shaped supporting arm 36, the outer side of the peeling finger 35a is connected with a guide rod 39, a corresponding guide hole is formed in the first arc-shaped supporting arm 36, the guide rod 39 is inserted into the guide hole to prevent the peeling finger 35a from deflecting, so that the peeling finger 35a can only move radially inwards and outwards, and the spring 37 is positioned at the periphery of the guide rod 39. The front end of the peeling claw 35 is of a suspended structure, and is combined with the spring 37, the size of the corn can be self-adapted, and the two-stage elastic structure enables the peeling finger 35a to be in flexible contact with the corn, so that corn kernels are prevented from being damaged.

In one embodiment, the threshing device 400 further comprises a housing 46, a mounting seat 41 and other structures, wherein two ends of the driving threshing roller 43 and the following threshing rollers 42 are supported on the mounting seat 41 through bearings, the peeled corn cobs 700 enter a threshing transmission channel formed between the driving threshing roller 43 and the two following threshing rollers 42, the corn cobs 700 are supported by the two following threshing rollers 42 and the driving threshing roller 43 on the outer side in three directions and are transmitted and threshed from back to front, as shown in fig. 15; the corn outlet a of the husking device 300 and the corn inlet of the threshing device 400 may be in a horizontal position.

As shown in fig. 8 to 14, the threshing structure of the rear section (the end close to the incoming material) of the driving threshing roller 43 is a trapezoidal toothed nail 432 gradually reduced from the root to the end, and the trapezoidal toothed nails 432 are arranged in a circumferential array along the driving threshing roller 43; the threshing structure of the front section (close to one end in the discharging direction) of the driving threshing roller 43 is a spherical beating hammer 433, and the beating hammer 433 is installed on the driving threshing roller 43 through a beating seat 434 and is arranged along the circumferential array of the driving threshing roller 43. The trapezoidal toothed nails 432 of the driving threshing roller 43 extrude and rub the corn kernels in the rotating process, and the threshing hammer 433 swings to forcedly thresh the corn kernels from the sticks; flexible squeezing and rubbing threshing can ensure low loss rate, forced beating threshing can ensure threshing rate. The joints of the faces of the trapezoidal spikes 432 are smoothly transitioned to avoid damaging the corn kernels.

In one embodiment, the striking hammers 433 are higher than the trapezoidal teeth 432 in the radial direction of the driving threshing roller 43, i.e. the height of the striking hammers 433 in the radial direction of the driving threshing roller 43 is higher than the height of the trapezoidal teeth 432 in the radial direction of the driving threshing roller 43, as shown in fig. 14.

As shown in fig. 8 and 9, the front end of the roll shaft of the driving threshing roll 43 is connected with a forced core discharging plate 44, the forced core discharging plate 44 and the driving threshing roll 43 rotate synchronously, the forced core discharging plate 44 is positioned in front of the threshing conveying channel, the forced core discharging plates 44 are arranged in a plurality along the circumferential direction of the roll shaft at intervals, and the corn cob discharged from the discharging channel B of the threshing shape 400 is received by the forced core discharging plate 44 and is conveyed downwards to the impurity conveying mechanism 600; baffles 45 are arranged on the front side and the rear side of the compulsory core-discharge plate 44, and a core-discharge passage is formed between the two baffles 45, in this case, between the baffle 45 and the mounting seat 41.

Threshing teeth 421 are arranged on the follow-up threshing roller 42 at intervals along the circumferential direction, the threshing teeth 421 are staggered in the axial direction of the follow-up threshing roller 42, and the end parts of the threshing teeth 421 are chamfered, so that the corn is prevented from being damaged.

As shown in fig. 15 and 16, an impurity conveying mechanism 600 for collecting corn husks and corn cobs is further provided in this example, the impurity conveying mechanism 600 includes a conveying box 61 and a screw conveyor 62 arranged in the conveying box 61, the screw conveyor 62 can be driven by a separately arranged motor, or driven by the same power as the peeling device 300, and driven by gears or belts; the peeling device 300 and the threshing device 400 are arranged side by side along the conveying direction, the conveying box 61 is arranged below the peeling device 300 and the threshing device 400, a first material receiving port 63 corresponding to the spiral peeling roller 31 and a second material receiving port 64 corresponding to the lower portion of the forced core discharging plate 44 are formed in the conveying box 61, the rest positions can be sealed, and impurities are discharged from the discharging end of the conveying box 61. The first material receiving port 63 is used for collecting corn husks, and the second material receiving port 64 is used for collecting corncobs and sending the corncobs out and recycling the corncobs through the screw conveyor 62.

In this embodiment, in order to simplify the structure, the peeling device 300, the threshing device 400, and the impurity conveying mechanism 600 are driven by a driving motor 81 installed at the lower part of the frame 100, and according to the position of each device, the direction can be changed by a bevel gear pair, the driving rod 82 transmits power, and the belt pulley 83 and the belt 84 cooperate to realize power transmission. Of course, in other embodiments, each device may be independently powered.

The working principle of the invention is that corn to be threshed enters the peeling device 300 after entering the hopper 200, 1 rotates towards the spiral peeling roller 31, and the corn husk is clamped and torn and is conveyed to be pushed forwards; as the corn is pushed forward, the peeling claw 35 picks up the corn peel, the corn peel is adaptive to different sizes according to the spring 37, and the corn peel falls into the channel 62 of the screw conveyer; then the corn cobs are pushed into a threshing device 400, two follow-up threshing rollers 42 are arranged above the threshing device, a driving threshing roller 43 is arranged below the threshing device, the corn cobs are clamped from three directions, the trapezoidal tooth nails 432 on the upstream part squeeze and rub the corn kernels in the rotating process, the trapezoidal tooth nails 432 on the downstream part are thrown by a beating hammer 433, the corn kernels are forcedly threshed from the corn cobs, and finally the corn cobs are forcedly discharged to a corn cob discharging channel through a forced core discharging plate 44; the corn husks and corn cobs are discharged together by the screw conveyor 62.

In the aspect of peeling, a pair of spiral peeling rollers 31 and a self-adaptive peeling claw 35 are combined to simulate hand picking and tearing of a person, so that a good peeling effect is achieved, and the corn is effectively protected; the threshing has two parts, the front part is flexibly extruded, rubbed and threshed to ensure low loss rate, and the rear part is forcibly beaten and threshed to ensure threshing rate; realizes the integration of peeling and threshing, has compact structure, small machine type, convenient transportation and reduced labor intensity.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or variations which would be apparent to those skilled in the art without departing from the spirit and scope of the present invention are encompassed by the present claims.