KR101156148B1 - A apparatus for removing a corn husk - Google Patents

Abstract

The present invention provides a corn bract removing apparatus comprising: an upper frame; A frame composed of a lower frame having one side connected to one side of the upper frame with a small key, and the other side of the upper frame connected to the other side with a hinge; A pair of rollers configured in the upper frame, configured in the longitudinal direction of the upper frame, arranged side by side and having different installation heights; Among the pair of rollers are configured in the longitudinal direction of the roller adjacent to the roller having a low installation height, the upper portion is composed of a separation prevention plate hinged to the upper frame and the lower or middle portion is connected to the cam; The height of the pair of rollers is different so that the corn is not separated from the rollers, the bracts are removed well and the damage of the corn grains is reduced. It is effective to prevent the corn from being released from the rollers so as not to be released while pushing to position.

Description

A apparatus for removing a corn husk}

The present invention relates to a corn bract removing apparatus, and more particularly, to a grooved roller, that is, a linear groove roller, parallel to the flat rollers having different installation heights in one device in a longitudinal direction, and to the separation plate of corn and the corn. The present invention relates to a maize bracts removing device configured to remove the maize bracts and prevent the bracts removed by the shatterproof plate from scattering.

Corn is grown around the body extending from the base of the corn, and the bracts are wrapped around the hairs with the beard. It is used as.

However, when manually removing bracts and whiskers from a large amount of corn, there is a problem that labor costs are increased and production efficiency is lowered. In order to solve this problem, a corn husk removing device of Korean Patent No. 10-0708464 has been disclosed. .

The prior art is composed of a conveying unit, a base cutting unit, a bract removing unit, among which the drawing of the bract removing unit 100 is the same as FIG.

 The transfer unit sequentially transfers a plurality of corns by transfer members driven by a motor, and seating surfaces disposed side by side with each corn therebetween so that the corns are not separated from the transfer members when each corn is transferred. Are provided.

The base cutting unit is composed of a rotary blade for cutting the bottom of the corn transported by the transfer unit.

The bract cutting unit is a first rotating blade rotated by a motor to form a cutting belt in the longitudinal direction of the corn on the conveying belt for transporting the corn discharged from the base cutting unit and the corn transported on the conveying belt And a first auxiliary blade disposed to face the first rotary blade with the corn to be transported therebetween and elastically pressurized toward the first rotary blade to form an incision in the corn, and in a line with the first auxiliary blade. A second auxiliary blade arranged in the same structure as the auxiliary blade is configured.

The bracts removing unit has a nozzle 102 for injecting the high pressure air generated in the compressor 104 to the corn discharged from the bracts cutting unit so that the high pressure air is introduced into the bracts through the cuts of the corn. As long as it is driven by a motor 103 mounted on the frame 110, the bracts are removed from the corn by the pressure of the air, and are discharged downward from the corn while being disposed in parallel with each other and rotated in opposite directions. It comprises a pair of rollers 101, the groove is formed spirally along the longitudinal direction of the roller 101 on the outer circumferential surface of one roller 101 of the pair of rollers 101.

In addition, although recently introduced and used bracts remover from foreign countries for processing shipment of edible green corn, the introduced bracts remover is a bracts remover for ripe corn. As ~ 80% of corn is damaged by corn grains, development of bracts removal device with low damage rate of green corn is urgently needed for shipping corn processing.

 The prior art has a complicated problem because the bracts cutting unit for cutting corn bracts and bracts removing unit for removing corn bracts have a separate configuration.

In addition, the prior art has a problem that the height of the pair of rollers are the same so that the corn is separated from the roller.

In addition, the prior art has a spiral groove formed on the outer circumferential surface of the roller along the longitudinal direction of the roller, so that the shear force of the roller is directly transmitted to the corn to remove the bracts, but the damage rate of the corn grain is high.

In addition, the prior art has a problem that the corn is conveyed by the inclined and spiral groove of the roller is not smooth transfer of the corn.

In addition, the prior art has a problem that some of the removed bracts are scattered because the device for preventing the bracts are scattered to the top of the roller.

The present invention has been made to solve the above problems, the corn is not separated from the roller to pass through the roller well so that the removal of corn follicles is good while the damage rate of the corn egg is low and the removed bracts are not scattered. To provide a corn bract removing device.

The present invention provides a corn bract removing apparatus comprising: an upper frame; A frame consisting of a lower frame having one side connected to one side of the upper frame by a small key and the other side connected to the other side of the upper frame by a hinge; It is composed of a pair of rollers, which are configured in the upper frame, are arranged in the longitudinal direction of the upper frame, and are arranged side by side and have different installation heights.

In addition, the present invention is that the pair of rollers are composed of a flat roller and a linear groove roller composed of a plurality of grooves parallel to the longitudinal direction on the outer peripheral surface.

In addition, the present invention is configured to face the other pair of rollers different from the installation height while being spaced apart from the pair of rollers.

 Further, in the present invention, the outer circumferential surfaces of the two rollers in which the pair of rollers and the other pair of rollers are located at the center are the same, respectively, and the outer circumferential surfaces of the two rollers located at the edge are the same.

In addition, the present invention and the transfer chain is rotated while being configured between the pair of rollers and the other pair of rollers; Protrudingly connected to the conveying chain, the conveying device for guiding the corn located in the pair of rollers in the longitudinal direction of the roller is configured.

In addition, the present invention is configured in the longitudinal direction of the roller adjacent to the roller having a low installation height of the pair of rollers, the upper portion is hinged to the upper frame, the lower portion or the middle portion of the cam configured in the separation prevention motor by the hinge Breakaway plate is connected to be configured.

In addition, the present invention is configured to support the nozzle fixed to the upper frame while the air is injected at a spray angle of about 70 ° between a pair of rollers.

In addition, the present invention is the transfer device is the central end is connected to the transfer chain, the "T" shape of the transfer guide is positioned between the pair of rollers, each of the left and right ends, and integrally in the downward direction to the end of the transfer guide Conveying conveying piece is configured.

In addition, the present invention is configured in the longitudinal direction of the roller adjacent to the low installation height of the roller of the other pair of rollers, the upper portion is hinged to the upper frame while being separated from the separation prevention plate second separation prevention The plate is constructed.

In addition, the present invention is configured to be spaced apart at regular intervals on the upper portion of the transfer guide, the central end is connected to the upper frame, each of the left and right ends is located between the pair of rollers in the reverse "T" shape in the longitudinal direction of the roller The shatterproof plate is to be constructed.

Corn bract removing device of the present invention can remove the bracts of corn in one device has a good effect of removing the bracts.

In addition, the corn bract removing apparatus of the present invention is connected to the upper frame and the lower frame with a small key and a hinge can vary the inclination of the upper frame according to the operation of the small key has the effect of varying the working height.

In addition, the corn bract removing apparatus of the present invention has an effect that the corn is not separated from the roller because the installation height of the pair of rollers are different.

In addition, the corn bract removing apparatus of the present invention is the outer peripheral surface of a pair of rollers are composed of a flat roller and a linear groove roller, each roller is different from the removal of corn follicles by removing the follicles is good while the damage rate of corn eggs This has a low effect.

In addition, the corn bract removing apparatus of the present invention has an effect that the transfer device guides the corn through the roller to improve the efficiency of bract removal.

In addition, the corn bract removing apparatus of the present invention is provided with a release preventing plate around the roller to periodically push the corn to be located between the pair of rollers so that the corn is not separated from the roller so as not to be separated.

In addition, the corn bract removing apparatus of the present invention has the effect of preventing the scattering of the bracts from which the shatterproof plate configured on the top of the roller is removed.

In addition, the corn bract removing apparatus of the present invention has a good effect of the bract removal rate and the damage rate of corn grains by the air injection nozzle injects air at a spray angle of about 70 ° between a pair of rollers.

1: Schematic side view of the bract removal unit of the prior art corn husk removal device.
2 is a front perspective view of the present invention.
3 is a rear perspective view of the present invention.
4 is a front view of the present invention.
5 is a roller and nozzle state diagram of the present invention.
6 is a plan view of the roller and the conveying apparatus of the present invention.
7 is a side view of the transfer apparatus of the present invention.
8 is a state diagram of the departure prevention apparatus of the present invention.

The present invention consists of a large structure of a frame, a roller, a transfer device, a release prevention plate, a shatterproof plate as a device for removing the bracts of the corn cut the stem.

Therefore, in order to remove the bracts of corn with this apparatus, corn stalks must be cut by hand or a stem cutting device in advance.

The corn bract removing apparatus of the present invention is to move left and right by the moving means configured in the method and apparatus for removing corn stems of the Korean Patent Publication No. 10-065038 in order to consistently work by cutting the stem of the corn and removing the bracts by the device Stem cutting means for cutting the stem by rotating the first cutting blade of the circular saw blade is formed on the edge connected to the corn bract removing apparatus of the present invention, or the rotary blade of the disc of Korea Patent Publication No. 10-0708464 It is composed of a rotary shaft perpendicular to the disk surface in the center is configured to link to the corn bract removing apparatus of the present invention the base cutting unit for cutting the stem for the corn transferred to the lower side of the rotary blade by the rotation of the rotary shaft.

2 is a front perspective view of the present invention of FIG. 2, a rear perspective view of the present invention of FIG. 3, a front view of the present invention of FIG. 4, and a state of the roller and nozzle of the present invention of FIG. 5, FIG. 6. The preferred embodiment according to the present invention will be described in detail with reference to the planar state diagram of the roller and the conveying apparatus of the present invention, the side state diagram of the conveying apparatus of the present invention of FIG. ,

The present invention is a roller (a) with the conveying device 30 while the bracts are removed from the grooved roller that is parallel to the flat roller 22 having a different installation height in one device in the longitudinal direction, that is, the linear groove roller 21 20 to guide the passage to remove the bracts, and the cornea (a) is not separated from the roller 20 with the release preventing plate 41, and the bracts removed with the scattering prevention plate 60 is not scattered. It is composed.

The frame is composed of a rectangular parallelepiped upper frame 11 and a rectangular parallelepiped lower frame 12, the lower frame 12 is fixed to the four sides of the caster is easy to move and spaced apart from the caster on all four sides. And a support for screw rotation.

A jockey 13 is coupled to the upper portion of one side of the lower frame 12, and the hinge 14 is protruded from the upper portion of the other side, and one side of the upper frame 11 is disposed on the upper portion of the jockey 13. The lower part is configured to be coupled to the hinge 14, the lower side of the other side of the upper frame 11 is protruded and coupled.

In other words, one side of the lower frame 12 is connected to one side of the upper frame 11 and the jockey 13, and the other side of the lower frame 12 is the other side of the upper frame 11. And hinge 14 is configured to be connected.

Accordingly, when the jockey 13 is rotated, the upper frame 11 is rotated about one side of the hinge 14 to change the inclination so that the working height can be variously adjusted.

The roller 20 is configured in the middle of the upper frame 11, composed of a pair in the longitudinal direction of the upper frame 11, arranged in parallel with each other so that the installation height is configured to rotate in the opposite direction to each other Is installed.

In other words, a pair of rollers 20 having the same diameter are arranged side by side while being arranged long in the advancing direction of the corn (a) in the upper frame, one arranged height is slightly higher than the other one .

The pair of rollers 20 are driven by a power transmission by a chain or gear by the roller rotation motor 23 configured at the lower end of the roller 20 of the upper frame 11, a pair of rollers 20 Rotating in the opposite direction to the corn (a) located between the pair of rollers (20) bite the corn (a) bracts and rotate to remove the bracts of the corn (a).

Grooves are formed on the outer circumferential surface of any one of the pair of rollers 20, and the grooves are formed in the longitudinal direction of the rollers while a plurality of grooves parallel to the longitudinal direction are concave in the roller center direction on the outer circumferential surface of the rollers. .

The pair of rollers 20 is a flat roller 22, one of which has a smooth surface, and the other is composed of a linear groove roller 21 in which a straight groove is formed in the longitudinal direction so that each roller is a bract of corn (a). The degree of removal is different so that the corn (a) bracts are more easily removed.

On the other hand, it is composed of a double roller in which another pair of rollers 20 are configured to be spaced apart from the pair of rollers 20.

Another pair of rollers 20 are configured to be spaced apart from the pair of rollers 20 of the upper frame 11 at a predetermined interval, but the outer circumferential surface of the two rollers located at the center and the outer circumferential surfaces of the two rollers located at the edge Are each configured identically.

That is, the two rollers located at the center are the flat rollers 22, and the two rollers located at the outside are formed of the linear groove rollers 21, or the two rollers located at the center are the linear groove rollers 21. And the two rollers located outside are constituted by flat rollers 22.

The configuration of the double roller is to increase the efficiency of bract removal in one operation.

The conveying apparatus 30 is configured to be connected between the pair of rollers 20 and the other pair of rollers 20 spaced apart from each other and is connected to the rotating conveying chain 31, a pair of rollers 20 The corn (a) is guided in the longitudinal direction of the roller (20).

The transfer chain 31 is rotated by a sprocket configured on one side and the other side of the front and rear of the upper frame 11, the sprocket is rotated by the transfer device motor 35 is formed on the lower side of the upper frame 11 do.

The transfer device 30 is connected to the sprocket configured on one side of the middle of the upper frame 11 and the transfer chain 31 rotated in connection with the sprocket configured on the other side, a pair of rollers 20 While being configured in the longitudinal direction of the length is rather longer than the pair of rollers 20 is configured in the form of both ends of the support beam.

The transfer device 30 is composed of a plurality of "T" -shaped transfer guide 33 at regular intervals, the transfer guide 33 is the central end is connected to the outer peripheral surface of the transfer chain 31, the left and right ends of Each is configured to be positioned between the pair of rollers 20.

At the end of the conveying guide 33 is composed of a conveying piece 34 protruding integrally in the downward direction, the conveying piece 34 is the height of the conveying guide 33 is the overall height of the pair of rollers 20 It is configured to be higher so as to prevent the transfer guide 33 from contacting according to the thickness of the corn (a) located on the pair of rollers (20).

The left and right ends of the conveyance guide 33 or the conveying piece 34 are interlocked with the conveying chain 31 which protrudes to the outer roller central axis of the pair of rollers 20 and is rotated by the rotation of the conveying apparatus motor 35. Then, the corn (a) located between the flat roller 22 and the linear groove roller 21 is transferred.

The transfer device 30 protrudes outwardly of the chain and interlocks with the chain to allow corn (a) to pass in the longitudinal direction of the roller 20 while a pair of rollers 20 remove the bracts of the corn (a). To contribute.

That is, if the transfer device 30 is not configured, the corn (a) rotates between the pair of rollers 20, but may not be easily moved downwards. Since a) is transported downward, corn (a) is smoothly rotated and transported so that bracts are completely removed.

The transfer apparatus motor 35 is configured below the transfer apparatus 30, that is, the lower side of the upper frame 11, and the chain configured in the transfer apparatus 30 is a sprocket configured on the transfer apparatus motor 35 axis. And driven by a power transfer chain 31 rotatably connected to the sprocket of the transfer device 30.

The transfer device 30 may be driven by transmitting the power of the transfer device motor 35 by the gear instead of the chain, the power transfer from the transfer device motor 35 to the transfer chain 31 can be directly transferred. Alternatively, it may be indirectly transferred by the transfer device power transmission bar 36 between the transfer device motor 35 and the transfer chain 31.

The indirect transmission is preferable because it can slow down the rotation speed of the feeder motor 35.

The release preventing plate 41 is configured in the longitudinal direction of the roller 20 adjacent to the low installation height of the pair of rollers 20, more specifically, the separation prevention plate on the upper outer peripheral surface of the low height roller The lower part of 41 is comprised so that spaced apart.

The release prevention plate 41 is hinged to the upper frame 11 and the lower end is a free end, the lower or central portion is connected to the cam configured in the separation prevention motor by the hinge.

The release preventing plate 41 is fixed to the upper portion by the hinge and the lower or central portion is reciprocated by the elliptic rotation of the cam when the departure prevention motor is rotated (a) ) Is periodically pushed so as to be positioned between the flat roller 22 and the linear groove roller 21 so that the corn (a) is not separated from the roller 20.

The lower or middle hinge of the release preventing plate 41 may be directly connected to or indirectly connected to a rotating cam configured in the release preventing motor.

The indirect connection is composed of a sprocket in the middle for the deceleration of the departure prevention motor to transfer the power to the separation prevention motor and the sprocket by the chain and prevent the departure prevention operation bar 43 to transmit the rotation of the rotating shaft of the spokkat. It may also be connected to the lower or middle hinge of the plate (41).

In the case of the indirect connection, the rotation cam is not elliptical in the separation prevention motor, but the cam is installed in the intermediate sprocket so that the cam is elliptical and the separation prevention operation bar 43 coupled thereto is reciprocated. will be.

The separation distance is not particularly limited, but the corn (a) of the average diameter of the corn (a) so that the departure preventing plate 41 is not caught in the operation to push the corn (a) without being separated into the spaced apart gap It's about 1/5.

When the double roller is configured, that is, when the other pair of rollers 20 are spaced apart from the pair of rollers 20, the bracts are removed from the other pair of rollers 20. The second departure preventing plate 46 is configured not to be separated from.

The second release preventing plate 46 is configured in the lengthwise direction of the roller 20 adjacent to the roller having a low installation height among the other pair of rollers 20.

The second release preventing plate 46 is upper portion is spaced apart from the upper portion of the release preventing plate 41 and hinged to the upper frame 11 to face the release preventing plate 41 and a pair of rollers (20) and It is configured to be spaced apart by the distance of the other pair of rollers (20).

The configuration of the second departure prevention plate 46 itself, the upper portion is hinged to the upper frame 11, the separation between the upper portion of the outer peripheral surface of the lower height and the separation prevention plate 41 is the separation prevention plate ( 41 and the description thereof will be omitted.

The separation prevention plate 41 and the second separation prevention plate 46 is hinged at both ends of the separation prevention power transmission bar 42, that is, both ends of the middle of the separation prevention plate 41 is composed of a hinge , Both ends of the middle of the second departure prevention plate 46 is composed of a hinge, the hinges of both ends of the departure prevention plate 41 and the hinges of both ends of the second departure prevention plate 46, the separation prevention power transfer bar It is hinged by 42.

The release preventing plate 41 and the second release preventing plate 46 are hinged to each other, so that the second release preventing plate 46 is also interlocked by the periodic operation of the release preventing plate 41.

When the departure prevention plate 41 reciprocates around the upper hinge by the rotation of the departure prevention motor, the departure prevention power transmission bar 42 also reciprocates to reciprocate the departure prevention power transmission bar 42. As a result, the second departure preventing plate 46 also reciprocates in the lower part about the upper hinge.

Therefore, while the separation prevention plate 41 and the second departure prevention plate 46 are moved in the same direction, the second departure prevention plate 46 also has the same corn (a) as the departure prevention plate 41. The separation from the pair of rollers 20 is prevented.

 The shatterproof plate 60 is configured to be spaced apart at a predetermined interval from the transfer guide 33 on the upper portion of the transfer guide 33, the central end is connected to the upper frame and each of the left and right ends of a pair of rollers 20 ) Is positioned between.

The shatterproof plate 60 has an inverted " T " shape, the middle end of which is connected to the inner circumferential surface of the upper side of the upper frame 11, and each of the left and right ends is a pair of rollers 20 or another pair of rollers. That is, the upper portion of the transfer guide 33 is configured to be spaced apart from the transfer guide 33.

The shatterproof plate 60 has a length in the lengthwise direction of the roller 20 similar to the length of the roller 20 so that the corn (a) bracts removed from the roller 20 are moved upwards of the roller 20. To prevent scattering.

Meanwhile, a plurality of nozzles 50 spaced apart from the horizontal end of the shatterproof plate 60 and supported by the upper frame 11 are fixed in a longitudinal direction of the roller 20 at a predetermined interval, that is, in a traveling direction of corn (a). The nozzle 50 is configured to inject air between the flat roller 22 and the linear groove roller 21 as a device for injecting compressed air.

The nozzle 50 is configured such that air is injected at an injection angle of about 70 ° between the flat roller 22 and the linear groove roller 21, that is, a pair of rollers, so as to increase the removal rate of the bracts and reduce the damage rate of the corn grains. do.

When the spray angle of the nozzle 50 is less than 70 ° corneal damage rate is similar, but the removal rate of bracts tends to be lowered, and when the spray angle of the nozzle 50 is 70 ° or more, the removal rate of bracts is low As the loss of corn tends to increase the damage rate.

That is, when the injection angle of the nozzle 50 is 70 degrees, the removal rate of the bracts is good and the damage rate of the corn grains is low.

The nozzle 50 is disposed above the corn (a) to inject the compressed air generated in the compressor (not shown) to the corn (a) so that the compressed air blows between the corn grains and bracts of the corn (a) Induce the bracts to open better while allowing the flanks to bite well on the roller 20 so that the corn (a) bracts are well removed.

In other words, the pair of rollers 20 are rotated in the opposite direction so that each roller rotates in the opposite direction so as to bite the corn (a) bracts peeled off by the compressed air injected by the nozzle 50 and discharge downward. The efficiency of bract removal is improved.

The compressor is connected to the nozzle 50 as a hose to supply high pressure air to the nozzle 50, and a valve (not shown) is configured to open and close the nozzle 50, that is, to open and close the flow of air. .

The nozzle 50 is also configured to spray water together with air so that the bracts of the corn (a) are more smoothly removed.

To this end, a "T" tube is formed between the nozzle 50 and the valve, and the nozzle 50 is connected to the outlet side of the "T" tube by a hose, and the compressor is connected to the inlet side opposite to the outlet side. And the water tank with a hose on the other inlet side.

 In the above configuration, the high pressure air of the compressor sucks up the water in the water tank while passing through the "T" tube, and the high pressure air and the water are mixed in the "T" tube to the corn (a) bract through the nozzle 50. When sprayed, the water is released into the atmosphere, and it expands rapidly into small droplets and reaches the corn (a) bracts. Done.

In front of the nozzle 50 that is configured first in the nozzle 50, that is, the sensor (70) for detecting whether the corn (a) at the inlet side of the roller 20 is present in the upper portion of the roller (20) do.

When the sensor 70 detects that the corn a is on the upper portion of the roller 20, the sensor 70 transmits it to the controller, and the controller operates the valve of the nozzle 50 in response to the detected signal. The high pressure air of the press is injected through the nozzle 50 for a predetermined time.

The predetermined time may be arbitrarily adjusted, but if the detected corn (a) is preferably a time to be transferred to the end of the roller 20, it is possible to prevent waste of high pressure air by doing so.

The valve is preferably composed of a solenoid, the sensor 70, the control device, the compressor and the valve is generally known, so the description of the structure and function thereof is omitted.

Corn bract removing apparatus of the present invention configured as described above is a pair of rollers by the operation of the departure prevention device motor 44 when the corn (a) corn stem (a) from which the stem is removed is placed in a pair of rollers (20) (20) rotates in the opposite direction to remove the bracts of corn (a) to fall in the downward direction of the roller (20).

At this time, while the roller 20 is removing the bracts, the corn (a) in which the bracts are being removed while the feeder 30 is horizontally advanced by the rotation of the transfer chain 31 by the operation of the feeder motor 35. To the back of the roller 20.

At the same time, by the operation of the motor of the separation prevention device 40, the separation prevention plate 41 periodically pushes the corn (a) to be released from the roller 20 to the center of the roller 20 while repeating the repeated movement. do.

And, when the corn (a) is placed in the roller 20, the sensor 70 detects this and operates the valve in the control device so that only the air is sprayed from the nozzle 50 or air and water are simultaneously removed. It is sprayed on (a).

For the present invention, the test for removing the bracts of corn was tested by factors of roller shape and factors of angle of nozzle.

 end. Corn bract removal test by roller surface shape

The rollers were tested for 30 seconds per sample at the circumferential speed of 0.7m / sec by the combination of flat roller, linear groove roller and spiral groove roller. Table 1 is as follows.

In the factors including the spiral groove roller, the shear force was transmitted directly to the corn at the edge of the spiral groove when the roller was rotated.

The combination of the flat roller and the flat roller had a wide contact surface between the roller and the corn, so that the shear force was dispersed, resulting in low bract removal and low damage of corn.

The combination of the flat roller and the linear groove roller had a wide contact surface between the flat roller and the corn, so that the shear force was distributed, and the shear force was transmitted directly to the corn at the edge of the linear groove, resulting in a moderate bract removal rate, resulting in low corn egg damage.

Corn bract removal test by roller surface shape division Flat Rollers + Flat Rollers (A) Flat Roller +
Spiral Groove Rollers (B) Flat Roller +
Straight Groove Rollers (C) Spiral Groove Rollers +
Spiral Groove Rollers (D) Removal rate (%) 48 76 52 100 % Damage 2 34 4 100

I. Lobe removal rate by air blowing angle of nozzle

Factor test for each nozzle's air injection angle was conducted by using a device consisting of 0.4MPa injection pressure of an air jet nozzle with a diameter of 2.5mm by selecting a flat roller and a linear grooved roller that can remove bracts with low damage rate of corn eggs. The pretreatment sample was passed through the nozzle once and the bract removal rate and the damage rate of corn grains were examined for each air jet angle.The most effective jet angle of the air injected from the nozzle is the least significant difference test (LSD 5%). As the result of 70 °, the bract removal rate and the damage rate of corn kernel were the best at the spray angle of 70 °.

Figure 1. The air acting on bracts at different spray angles

Blowing rate of nozzle by spraying angle of nozzle division Injection angle (°) LSD (5%) 45 ^a 70 ^b 90 ^a Removal rate (%) 54 66 56 0.75 % Damage 4.0 4.0 6.0 -

As mentioned above, although preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and various embodiments may be embodied within the scope without departing from the technical spirit of the present invention. It will not depart from the rights of the present invention.

11: upper frame 12: lower frame
13: jockey 14: hinge
20: roller 21: linear groove roller
22: flat roller 23: roller rotation motor
30: transfer device 31: transfer chain
33: transfer guide 34: transfer piece
35: feeder motor 36: feeder power transmission bar
40: release prevention device 41: release prevention plate
42: Power transfer bar for departure prevention 43: Operation bar for departure prevention
44: departure prevention apparatus motor 46: second departure prevention plate
50: nozzle 60: shatterproof plate
70: sensor a: corn

Claims (10)

In the corn bract remover,
An upper frame;
A frame consisting of a lower frame having one side connected to one side of the upper frame by a small key and the other side connected to the other side of the upper frame by a hinge;
A pair of rollers configured in the upper frame, arranged in the longitudinal direction of the upper frame, arranged side by side and having different installation heights;
The pair of rollers rotate in the opposite direction to remove the bracts of corn, and the slope of the upper frame is adjusted by the operation of the operation key corn bracts removing apparatus characterized in that.
The method of claim 1,
The pair of rollers comprises a flat roller and a straight groove roller having a plurality of grooves parallel to the longitudinal direction on the outer circumferential surface thereof;
Each roller is a corn bract removing apparatus, characterized in that the degree of removing the bracts of corn is different.
The method of claim 2,
A pair of rollers spaced apart from the pair of rollers and a pair of rollers different in installation height from each other, facing each other;
Corn bract removing apparatus characterized in that configured to increase the bract removal efficiency of corn.
The method of claim 3,
And the pair of rollers and the other pair of rollers have the same outer circumferential surface of the two rollers positioned at the center, and the outer circumferential surfaces of the two rollers positioned at the edges, respectively.
The method of claim 3,
A transfer chain configured to rotate while being configured between the pair of rollers and the other pair of rollers;
A transfer device protrudingly connected to the transfer chain and configured to guide corn located in a pair of rollers in a longitudinal direction of the roller;
Corn follicles removing device characterized in that the bracts are removed while the corn passes in the longitudinal direction of the roller by the guide of the conveying device.
The method of claim 3,
Out of the pair of rollers are installed in the longitudinal direction of the roller adjacent to the low installation height of the roller, the upper portion is hinged to the upper frame, the lower portion or the middle portion is separated from the hinge connected to the cam configured in the separation prevention motor by the hinge The plate is made up;
Corn stripping device, characterized in that the release preventing plate serves to periodically push the corn between a pair of rollers.
The method of claim 3,
Corn bract removing apparatus characterized in that the nozzle is fixed to the upper frame and the air is injected at a spray angle of 70 ° between a pair of rollers.
The method of claim 5,
The transfer device has a center end connected to the transfer chain, each of the left and right ends having a "T" -shaped transfer guide positioned between a pair of rollers, and a transfer piece integrally protruding downward from the end of the transfer guide. Corn bracts removing device characterized in that configured.
The method of claim 6,
Among the other pairs of rollers are configured in the longitudinal direction of the roller adjacent to the roller having a low installation height, the upper portion is hinged to the upper frame is composed of a second separation prevention plate configured to be spaced apart from the separation prevention plate;
The separation prevention plate and the second separation prevention plate is hinged to each other by the separation prevention power transfer bar, corn bract removing apparatus, characterized in that interlocking with the second departure prevention plate by the periodic operation of the separation prevention plate.
The method of claim 8,
The upper portion of the transfer guide is spaced apart at regular intervals, the central end is connected to the upper frame, each of the left and right ends is positioned between a pair of rollers, the anti- "T" shaped shatterproof plate in the longitudinal direction of the roller is configured Became;
Corn follicles removal device characterized in that the bracts removed by the shatterproof plate is not scattered.

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