KR102572276B1 - Combine - Google Patents

Abstract

The present invention relates to a combine for harvesting, threshing and sorting grain, comprising: a traveling part for movement; a driver's cab installed above the driving unit; A harvesting unit installed in front of the driving unit to cut grain; A grain transfer unit installed at the rear of the harvesting unit to transfer grains cut by the harvesting unit to the rear; a threshing unit installed on the upper side of the driving unit and threshing the grain transported backward by the grain transfer unit; A sorting unit installed below the threshing unit to separate the grains threshed from the threshing unit from the straw; A straw discharge unit installed at the rear of the sorting unit to discharge the straw selected from the sorting unit to the outside; A storage unit installed on the upper side of the driving unit to accommodate the grains selected by the sorting unit; a grain transfer unit for transferring the grains selected by the sorting unit to the storage unit; and a grain discharge unit for discharging the grains accommodated in the storage unit to the outside.

Description

Combine {Combine}

The present invention relates to a combine, and more particularly, to a combine for harvesting, threshing and sorting grain.

Patent Document 001 is a threshing device for threshing the cut grain stem, a reservoir for storing the grain threshed in the threshing device, and a bucket for introducing the grain threshed in the threshing device from the horizontal direction toward the upper opening of the reservoir is installed, and in a combine where a sensor for obtaining the amount of grain input from the bucket to the reservoir is installed above the reservoir, as the sensor, a first grain amount sensor at a place far from the input operation position of the bucket; It proposes a combine characterized in that the second grain amount sensor is installed at a place close to the input operation position of the bucket.

Patent Document 002 is provided with a waste rice straw processing device for processing discharged rice straw at the lower rear of the threshing device, and the discharged rice straw processing device is spirally arranged at intervals in the axial direction of a driving shaft to which rotational power from a driving source is transmitted. It has a plurality of cutting blades arranged parallel to the driving shaft and forming a gap in the axial direction of the free rotating shaft that freely rotates, and discharged between the alternately arranged cutting blades and the disc blades. A combine that cuts rice straw is presented.

Patent Document 003 is a chassis; A threshing device installed on the chassis and threshing crops; A shaking sorting device installed on the chassis and located below the threshing device to shake the threshed crops; A combine characterized in that it includes a blower sorting device located below the shaking sorting device, generating wind and sending air to the shaking sorting device, and controlling the amount of air blown to the shaking sorting device.

Patent Document 004 is a soybean combine equipped with a grain tank for storing threshed soybeans and a carrying out device for taking the beans out of the grain tank to the outside, wherein the carrying out device is vertically installed to be connected to the lower side of the grain tank A withdrawal unit that simultaneously withdraws beans and foreign substances from the grain tank; A take-out unit that transports the selected beans through an internal take-out conveyor and takes them out to the end of the take-out port; A connecting portion rotatably provided at an upper end of a support post installed perpendicular to the combine body and having an end portion of the carrying portion rotatably connected; And a sorting unit for horizontally connecting the upper end of the withdrawal part and the upper end of the connection part to remove foreign substances and fine stones from the beans discharged from the withdrawal part; and a combine with a discharge unit having a secondary sorting device including a.

KR 10-2022-0031993 A (Public date March 15, 2022) KR 10-2021-0058751 A (Public date May 24, 2021) KR 10-2020-0103456 A (Public date September 02, 2020) KR 10-2421445 B1 (registration date July 12, 2022)

The present invention provides a combine for harvesting, threshing and sorting grain, but in particular, by improving the threshing part of the combine so that the stems of the grain are smoothly cut during the threshing operation, the purpose of providing a combine that can improve work efficiency do.

The combine according to an embodiment of the present invention in order to solve the above problems, the driving unit for movement; a driver's cab installed above the driving unit; A harvesting unit installed in front of the driving unit to cut grain; A grain transfer unit installed at the rear of the harvesting unit to transfer grains cut by the harvesting unit to the rear; a threshing unit installed on the upper side of the driving unit and threshing the grain transported backward by the grain transfer unit; A sorting unit installed below the threshing unit to separate the grains threshed from the threshing unit from the straw; A straw discharge unit installed at the rear of the sorting unit to discharge the straw selected from the sorting unit to the outside; A storage unit installed on the upper side of the driving unit to accommodate the grains selected by the sorting unit; a grain transfer unit for transferring the grains selected by the sorting unit to the storage unit; and a grain discharge unit for discharging the grains accommodated in the storage unit to the outside.

The combine of the present invention further includes a conveying unit installed to connect the sorting unit and the threshing unit to convey the unthreshed grains selected in the sorting unit to the threshing unit.

In the combine of the present invention, the threshing unit, the upper surface of the open tubular casing; A threshing rotor rotatably installed inside the casing; a cover installed to open and close the casing so as to cover an upper surface of the casing; and a plurality of exhaust plates mounted on the lower surface of the cover, extending along the width direction of the cover and spaced apart from each other along the length direction of the cover.

In the combine of the present invention, the threshing rotor includes a cylindrical threshing drum; A threshing screw formed to form a spiral along the outer periphery of the threshing drum; And a plurality of threshing teeth arranged along the threshing screw and mounted on the threshing screw so as to protrude outward of the threshing screw, each of the threshing plates extending obliquely to form an angle corresponding to the lead angle of the threshing screw. do.

In the combine of the present invention, a plurality of cutting protrusions arranged along the longitudinal direction of the exhaustion plate are formed at the lower end of each exhaustion plate.

According to the combine of the present invention, during the threshing operation, the stems of grain can be smoothly cut, and accordingly, the grains put into the threshing unit can be quickly and evenly dispersed without clumping, thereby improving work efficiency.

1 is a side configuration diagram of a combine according to an embodiment of the present invention.
Figure 2 is a perspective view of a threshing unit in a combine according to an embodiment of the present invention.
Figure 3 is a front view of the exhaust plate in the combine according to an embodiment of the present invention.
Figure 4 is a front view showing another embodiment of the exhaustion plate in the combine according to an embodiment of the present invention.
Figure 5 is a side cross-sectional view showing another embodiment of the exhaustion plate in the combine according to an embodiment of the present invention.
Figure 6 is an exploded perspective view showing another embodiment of the exhaustion plate in the combine according to an embodiment of the present invention.

Hereinafter, the most preferred embodiment of the present invention will be described in detail in order to explain the present invention in detail to the extent that those skilled in the art can easily practice the present invention.

Numbers cited in the examples below are not limited to the referenced subject and can be applied to all examples. An object that exhibits the same purpose and effect as the configuration presented in the embodiment corresponds to an equivalent replacement object. The high-level concept presented in the examples includes sub-concept objects that are not described.

[Example 1-1] The combine of the present invention, as shown in Figure 1, the traveling unit 100 for movement; a cab 200 installed above the traveling part 100; A harvesting unit 300 installed in front of the driving unit 100 to cut grain; A grain transfer unit 400 installed at the rear of the harvesting unit 300 to transfer the grain cut by the harvesting unit 300 to the rear; A threshing unit 500 installed on the upper side of the driving unit 100 to thresh the grain transported backward by the grain transfer unit 400; A sorting unit 600 installed below the threshing unit 500 to separate the grains threshed from the threshing unit 500 from straw; A straw discharge unit 700 installed at the rear of the sorting unit 600 to discharge the straw selected in the sorting unit 600 to the outside; a storage unit 800 installed on the upper side of the traveling unit 100 to accommodate the grains sorted by the sorting unit 600; a grain transfer unit 900 that transfers the grains sorted in the sorting unit 600 to the storage unit 800; and a grain discharge unit 1000 discharging the grains accommodated in the storage unit 800 to the outside.

The driving part 100 is composed of a crawler or a wheel so that the combine can travel on farmland.

The driver's cab 200 provides a space for a worker to board. In the cab 200, a steering wheel for operating the combine, the driving unit 100, the reaping unit 300, the grain transfer unit 400, the threshing unit 500, the sorting unit 600, and the straw discharge unit 700 and a control unit for operating the grain transfer unit 900 are provided.

The reaping unit 300 includes a reel 310 for winding up the stalks of grain; Cutter 320 for cutting the stem of the grain; and a transfer screw 330 for collecting and transferring the cut grains to the center.

The grain transfer unit 400 transfers the grains collected in the center of the transfer screw 330 to the threshing unit 500. The grain transfer unit 400 may be configured as a chain conveyor.

The sorting unit 600 includes a sieve and a blower, and is configured to sort grains and straws based on differences in size and specific gravity.

The grain transfer unit 900 includes a lateral transfer unit 910 that lateral transfers the grains selected in the sorting unit 600 to the storage unit 800; and an upward transfer unit 920 for transferring the grains transported by the side transfer unit 910 to an upper portion of the storage unit 800. That is, in the grain transfer unit 900, the side transfer unit 910 discharges the grains inside the sorting unit 600 to the outside, and the upward transfer unit 920 discharges the grains outside the sorting unit 600. It is configured to transfer grains to the top of the storage unit 800. The lateral transfer unit 910 may be configured as a screwton conveyor, and the upward transfer unit 920 may be configured as a bucket conveyor.

[Example 2-1] In Example 1-1, the combine of the present invention is installed to connect the sorting unit 600 and the threshing unit 500 to thresh the unthreshed grains sorted in the sorting unit 600 A conveying unit 1100 for conveying to the unit 500 is further included.

The conveying unit 1100 may be composed of a screw conveyor installed to connect the lower end of the sorting unit 600 and the upper end of the threshing unit 500.

[Example 3-1] In the combine of the present invention in Example 1-1, as shown in Figure 2, the threshing unit 500, the upper surface is open, the cylindrical casing 510; A threshing rotor 520 rotatably installed inside the casing 510; a cover 530 installed to be opened and closed on the casing 510 so as to cover the upper surface of the casing 510; and a plurality of exhaust plates 540 mounted on the lower surface of the cover 530 and extending along the width direction of the cover 530 and spaced apart from each other along the length direction of the cover 530.

The threshing rotor 520 is rotated by receiving power from the engine of the combine to thresh grain.

The exhaust plate 540 finely cuts the stems of the grain rotated in the casing 510 by the threshing rotor 520. The exhaust plate 540 may be made of metal, and is particularly preferably made of stainless steel, which has excellent corrosion resistance and is hygienic.

[Example 4-1] In the combine of the present invention, in Example 3-1, the threshing rotor 520 includes a cylindrical threshing drum 521; A threshing screw 522 formed to form a spiral along the outer periphery of the threshing drum 521; And a plurality of threshing teeth (tooth, 523) arranged along the threshing screw 522 and mounted on the threshing screw 522 so as to protrude outward of the threshing screw 522, respectively; including, each of the exhaust plate 540 extends obliquely to form an angle corresponding to the lead angle of the threshing screw 522.

The threshing screw 522 allows grains introduced from the front of the casing 510 to be gradually transferred to the rear so that the grains are evenly distributed.

Each of the threshing teeth 523 threshes the grain by hitting the grain by the rotation of the threshing rotor 520.

As each of the exhaust plate 540 is inclined to form an angle corresponding to the lead angle of the threshing screw 522, the grain stems rotated in the casing 510 along the longitudinal direction of the exhaust plate 540. It can be cut smoothly while contacting.

[Example 4-2] In the combine of the present invention, in Example 4-1, the outer periphery of the threshing drum 521 is formed by a plurality of threshing bars 521a arranged at equal intervals in a circular shape. is formed

The threshing bar (521a) is arranged to extend in the longitudinal direction of the threshing drum (521) made of a long bar-shaped metal plate.

According to the structure as described above, the efficiency of the threshing operation can be improved as each of the threshing bars 521a hits the grain.

[Example 5-1] In the combine of the present invention, in Example 4-1, as shown in FIG. 3, the bottom of each exhaust plate 540 is arranged along the longitudinal direction of the exhaust plate 540 A plurality of cutting protrusions 550 are formed.

Each of the cutting protrusions 550 has a sawtooth-like structure at the lower end of the drain plate 540, so that the stems of grain can be cut more smoothly, and accordingly, the grains put into the threshing unit 500 do not clump together. The efficiency of the threshing operation is improved by allowing it to be dispersed quickly and evenly.

Each of the cutting protrusions 550 may be formed integrally with the exhaust plate 540, and if necessary, after being manufactured separately from the exhaust plate 540, they are detached from the exhaust plate 540 by fastening means such as bolts. It may be provided with a structure that is possibly mounted.

[Example 5-2] In the combine of the present invention, in Example 5-1, each cutting protrusion 550 is provided in a triangular, trapezoidal, or round shape, or a combination of two or more of these shapes.

The shape of each of the cutting protrusions 550 may be optimally selected according to the type of grain.

[Example 5-3] In the combine of the present invention, in Example 5-1, as shown in FIG. 4, each of the cutting protrusions 550 cuts a number of times along the longitudinal direction of the exhaust plate 540 The projection formation section in which the projection 550 is formed and the projection non-formation section in which the cutting projection 550 is not formed are provided repeatedly.

At this time, as shown in [b] of FIG. 4, each cutting protrusion 550 may have a different shape for each protrusion forming section.

[Example 5-4] In the combine of the present invention, in Example 5-1, each cutting protrusion 550 is provided to have various sizes.

According to this, it is possible to smoothly cut the stems of grains of various sizes.

[Example 5-5] In the combine of the present invention, in Example 5-1, each of the cutting protrusions 550 is provided to increase in size from one end to the other end of the drainage plate 540.

According to this, it is possible to smoothly cut the stems of grains of various sizes.

[Example 5-6] In the combine of the present invention, in Example 5-1, as shown in FIG. 5, each of the cutting protrusions 550 is formed inclined toward the front and rear of the displacement plate 540 .

[Example 5-7] In the combine of the present invention, in Example 5-1, as shown in FIG. 6, each cutting protrusion 550 is detachably mounted on the exhaust plate 540, and the The exhaust plate 540 includes a fixing plate 541 mounted on the cover 530 and having a seating groove 541a on one surface into which the upper portions of the cutting protrusions 550 are inserted, and one surface of the fixing plate 541. It includes a cover plate 542 coupled to the fixing plate 541 to cover.

According to the configuration as described above, as each of the cutting protrusions 550 is provided separately, it is possible to easily replace the worn or damaged cutting protrusions 550 .

[Example 5-8] In the combine of the present invention, in Example 5-7, an insertion hole 551 penetrating back and forth is formed on the top of each cutting protrusion 550, and a seating groove of the fixing plate 541 A plurality of fixing protrusions 541b inserted into the insertion holes 551 of each of the cutting protrusions 550 are formed on 541a.

According to the configuration as described above, as each cutting protrusion 550 is inserted into and fixed to each fixing protrusion 541b, each cutting protrusion 550 can be more firmly and stably mounted on the exhaust plate 540.

100: driving unit 200: cab
300: reaper 310: reel
320: cutter 330: transfer screw
400: grain transfer unit 500: threshing unit
510: casing 520: threshing rotor
521: threshing drum 521a: threshing bar
522: threshing screw 523: threshing tooth
530: cover 540: exhaust plate
541: fixed plate 541a: seating groove
541b: fixing protrusion 542: cover plate
550: cutting protrusion 551: insertion hole
600: sorting unit 700: straw discharge unit
800: storage unit 900: grain transfer unit
910: lateral transfer unit 920: upward transfer unit
1000: grain discharge unit 1100: transfer unit

Claims (5)

A driving unit 100 for movement;
a cab 200 installed above the traveling part 100;
A harvesting unit 300 installed in front of the driving unit 100 to cut grain;
A grain transfer unit 400 installed at the rear of the harvesting unit 300 to transfer the grain cut by the harvesting unit 300 to the rear;
A threshing unit 500 installed on the upper side of the traveling unit 100 to thresh the grain transported backward by the grain transfer unit 400;
A sorting unit 600 installed below the threshing unit 500 to separate the grains threshed from the threshing unit 500 from straw;
A straw discharge unit 700 installed at the rear of the sorting unit 600 to discharge the straw selected from the sorting unit 600 to the outside;
a storage unit 800 installed on the upper side of the traveling unit 100 to accommodate the grains sorted by the sorting unit 600;
a grain transfer unit 900 that transfers the grains sorted by the sorting unit 600 to the storage unit 800; and
A grain discharge unit 1000 for discharging the grains accommodated in the storage unit 800 to the outside;
The threshing unit 500 includes a cylindrical casing 510 with an open upper surface; A threshing rotor 520 rotatably installed inside the casing 510; a cover 530 installed to be opened and closed on the casing 510 to cover the upper surface of the casing 510; And a plurality of exhaust plates 540 mounted on the lower surface of the cover 530, extending along the width direction of the cover 530 and spaced apart from each other along the length direction of the cover 530;
The threshing rotor 520 includes a cylindrical threshing drum 521; A threshing screw 522 formed to form a spiral along the outer periphery of the threshing drum 521; And a plurality of threshing teeth 523 arranged along the threshing screw 522 and mounted on the threshing screw 522 so as to protrude outward of the threshing screw 522, respectively;
Each of the exhaust plate 540 extends obliquely to form an angle corresponding to the lead angle of the threshing screw 522,
A plurality of cutting protrusions 550 arranged along the longitudinal direction of the exhaust plate 540 are formed at the lower end of each exhaust plate 540,
Each of the cutting protrusions 550 is detachably mounted on the exhaust plate 540, and the exhaust plate 540 is mounted on the cover 530 and an upper portion of each of the cutting protrusions 550 is inserted into one surface. It includes a fixing plate 541 having a seating groove 541a formed thereon, and a cover plate 542 coupled to the fixing plate 541 to cover one surface of the fixing plate 541,
An insertion hole 551 penetrating back and forth is formed at the upper part of each cutting protrusion 550, and the seating groove 541a of the fixing plate 541 is inserted into the insertion hole 551 of each cutting protrusion 550. A combine that includes forming a plurality of fixing protrusions (541b).
According to claim 1,
The combine further comprising a conveying unit 1100 installed to connect the sorting unit 600 and the threshing unit 500 and conveying the unthreshed grains sorted in the sorting unit 600 to the threshing unit 500.
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