JP5212404B2 - Threshing machine swing sorting device - Google Patents

Description

  The present invention relates to an oscillating and sorting apparatus for a threshing machine that receives a threshing processed product and performs oscillating and sorting.

  Conventionally, the thing of the structure which provided the cleaning apparatus which removes the shavings adhering to a sheave is known in the rocking sorting shelf which receives a threshing processed material and rocks and sorts (for example, refer patent document 1).

JP 2009-1000067 A1

  In the conventional example, the swarf on the sheave is removed by simply moving a flat plate-like plate, and a sufficient swarf removing action cannot be expected.

Object according to the invention, several cleaning tools which are arranged in parallel in the left-right horizontal direction is reciprocated in the lateral transverse direction, so that the straw debris on the sheave can be reliably removed by scan scraper cleaning tools.
Further, by making the reciprocating movement stroke of the cleaning tool larger than the arrangement pitch between the cleaning tools, the scraper operation area extends over the entire sheave surface, so that the scrap removal action can be performed more effectively.

  In order to solve the above problems, the present invention has taken the following technical means.

That is, the invention according to claim 1 includes a chaff sheave (17) of the swing sorting shelf (15) that receives the threshing processed product from the threshing section (3) and swings and sorts it along the front-rear direction and the left-right direction. with cleaning plates arranged every predetermined interval (28) and the sheave (26) surface composed of a Luz scraper to remove deposits in sliding contact (29) into a plurality of cleaning tool (30), the plurality The individual cleaning tools (30) are configured to be integrally reciprocable in the left-right direction, and the reciprocating movement stroke (L) of the cleaning tool (30) is made larger than the arrangement pitch (P) between the cleaning tools. The scraper (29) is set to be large , and a blade edge that is inclined at a predetermined angle with respect to the moving direction protrudes from the cleaning plate (28) on both the left and right sides, and has a substantially C-shaped inclined blade edge in plan view. (29a, 29a) and the inclined blade edges (29a, 29a, 9a) is configured to be in sliding contact with the upper surface of each sheave (26), and a left and right swinging swing arm (40) for reciprocating the cleaning tool (30) is moved upward in the swing sorting shelf (15). The front wall (45a) of the swing sorting case (45) provided with the chaff sheave (17) is disposed at a position on the feed chain (4) side opposite to the side on which a large amount of processed material falls from the side. ) Is provided with a guide groove (46) for swinging and guiding the swing arm (40), and an elastic seal member (47) for elastically closing the guide groove (46) in the guide groove (46) portion. ) Is used as a rocking sorter for threshers.

Since a plurality of the cleaning tool (30) is reciprocated in the left and right integrally with narrow removing action of straw debris with a mobile range effectively performed, inclined blade edge of the scan scraper (29) of (29a, 29a) It is possible to accurately remove deposits such as sawdust adhering to the sheave surface by the action.

Moreover, since the movement stroke of the cleaning tool 30 is larger than the arrangement pitch between the cleaning tool, scan scraper (29) is to act over the entire surface of the chaff sieve (17), the Warakuzu The removal action can be performed more effectively.

The swing arm (40) reciprocally swings left and right about the vertical axis (39) as the center of rotation .

In this connection, each cleaning tool (30) is forcibly reciprocated in the lateral direction .

Then, the swing arm cleaner (30) Ru by reciprocating (40), feed Chen (4) the amount of drop is small of the workpiece from above in the oscillating sorting shelves (15) are arranged on the site of the side because there, the weight balance between the left and right fall intensive other side No. 2 was a large amount of reduced even rocking sorting shelves (15) of the oscillating sorting shelves (15) Ru evenly maintained.

In addition , dust and dust from the swing sorting case (45) can be prevented from flowing out from the guide groove (46) , and the swing arm (40) can be swingably moved without disturbing the operation of the swing arm (40). It is Ru can.

According to a second aspect of the present invention, the scraper (29) has a symmetrical shape with the cleaning plate (28) in between, and a top surface of each scraper (29) has a mountain-shaped upward inclined surface (29s) in front view. the a rocking sorter threshing machine according to claim 1, wherein the Katachi設.

As the scraper (29) moves in the lateral direction, the ascending inclined surface (29s) formed on the upper surface scoops up the deposits on the surface of each chaff sheave (17), and the swarf floats to lift the sorting shelf. of that easily swept away to the swinging direction rear side.

According to a third aspect of the present invention, the swing arm (40) is disposed between the transfer shelf (16) in front of the chaff sheave (17) and the Tanggu wind tunnel (22a) located below the transfer shelf (16). the rocking sorter of claims 1 or claim 2 according threshing machine.

Can effectively utilizing the space portion between the transfer shelves (16) and winnowing fan wind tunnel (22a), the swing arm (40) part can it to configure a compact.

According to the first aspect of the invention, since a plurality of the cleaning tool (30) is reciprocated in the left and right integrally, it is possible to carry out the removal action of the straw chips with a narrow moving range, scan scraper (29) By the action of the inclined blade edges (29a, 29a), deposits such as sawdust adhering to the surface of the chaff sheave (17) can be accurately removed.

Further, since the moving stroke of the cleaning tool (30) is larger than the arrangement pitch between the cleaning tool, scan scraper (29) is to act over the entire surface of the chaff sieve (17), the Warakuzu The removal action can be performed more effectively.

Further , since the swing arm (40) for reciprocating the cleaning tool (30) is arranged at a position on the feed chain (4) side where the amount of the processed material falling from above is small in the swing sorting shelf (15). In the swing sorting shelf (15), even if the second product is reduced in a large amount to the side where the amount of processed material dropped from above is large, the left / right balance of the swing sorting shelf (15) is maintained evenly and the sorting performance is improved. high rather than be you to maintain.

Since the guide groove (46 ) of the swing arm (40) is closed by the elastic seal member (47) , soot and dust can be prevented from flowing out of the guide groove (46) , and the swing arm (40) can be prevented. ) Can be maintained satisfactorily .

According to the second aspect of the present invention, while having the effect of the first aspect of the invention, the upper surface of the symmetrical scraper (29) has a mountain-shaped upward inclined surface (29s) in front view. As the scraper (29) moves in the left-right direction, the rising slant surface (29s) scoops up the deposits on the surface of each chaff sheave (17) and floats up, causing the sawdust to oscillate. sorting shelves (15) of Runode of easily flow rearward, drop straw waste is reduced downward from between the chaff sieve (17) can Rukoto enhance No.1 sorting performance.

According to the third aspect of the present invention, despite those the effects of the invention of claim 1 or claim 2, wherein, the swing arm (40) which drives the cleaning tool (30), chaff sieve (17) forward transfer shelf (16) and arranged to tare Runode between winnowing fan wind tunnel located the lower (22a), can effectively utilizing the space portion between the transfer shelves (16) and winnowing fan wind tunnel (22a) The swing arm (40) can be configured compactly .

Side cross section of threshing machine Front sectional view of the main part Side cross-sectional view of main parts of threshing machine Cross-sectional plan view of the main part Side view of cleaning tool Top view of the main part of the cleaning tool Same as above A view of arrow A in FIG. Top view of the main part of the cleaning tool Perspective view of the cleaning tool Operation diagram showing the reciprocating mechanism of the cleaning tool Front view showing the seal state of the swing arm Side cross section of chaff sheave Top view of the main part of the threshing part

  An embodiment of the present invention will be described with reference to the drawings.

  The threshing machine (threshing unit) shown in FIGS. 1 and 2 has the following configuration.

  That is, the threshing unit 1 is driven by a handling cylinder 3 that drives and rotates the tip portion of the cereal that is conveyed while holding the stock by a threshing feed chain 4 stretched on one side of the handling chamber 2. It is configured to thresh. A receiving net 5 is stretched around the lower half of the handling chamber 2, and a handling cylinder cover 6 that covers the upper portion of the handling cylinder 3 swings and opens with one side of the handling chamber as a fulcrum. On the side opposite to the feed chain 4 side of the processing chamber 2, a second processing cylinder 7 for receiving a second processed material from the processing chamber and performing a grain removal process is parallel to the processing cylinder 3 and is inserted into the second processing chamber 8. It is built. A dust removal treatment cylinder 10 is installed on the same axis as the rear of the second treatment cylinder. The handling chamber 2 is configured between the front side plate 2a and the middle side plates 2b and 2c, and the dust outlet 12 at the end of the handling chamber is formed between the middle side plates 2b and 2c. And the handling cylinder 3 is extended back from the said dust exhaust port 12, and the granule collection | recovery chamber 13 is comprised between the inner side board 2c and the rear side board 2d.

  The threshing feed chain 4 is configured to swing and open with a vertical support shaft 11 on the start end side as a fulcrum. Reference numeral 14 denotes a waste straw cutter.

  The swinging sorting device (swinging sorting shelf) 15 below the handling chamber is configured to receive the processed product after the threshing process and screen it while swinging and transporting it. 17, the second chaff sheave 18, and the straw rack 19 are arranged in this order, and the granule 20, the first return shelf 21 a, and the second return shelf 21 b are arranged below the second chaff sheave 18. The configuration is provided.

  In addition, in order from the upper side of the sorting direction to the lower side of the swing sorting shelf 7, a tang 22, a first spiral 23, a second spiral 24, and a dust exhaust fan 25 are provided above to form a dust sorting chamber. doing.

The first chaff sheave 17 is composed of a fixed sheave (sheave) 26 that is disposed in front of the small grain collection chamber 13 and is inclined in the vertical direction with a predetermined interval in the front-rear direction. The second chaff sheave 18 is configured to receive the processed material from the first chaff sheave 17 and the processed material from the coarse grain collection chamber 13 and to sort the sieve, and includes a movable sheave 27 that can change the inclination angle.

The first chaff sieve 17, consisting longitudinal and cleaning plate 28 and is disposed in every horizontal direction a predetermined distance along the direction, away scraper 29. to remove deposits in contact with the upper surface of the fixed sheave 26 The individual cleaning tools 30, 30, 30 ... are provided. These cleaning tools 30, 30, 30... Are integrally connected and held by the front and rear connecting members 31, 31 and the left and right reinforcing plates 32, 32 and are laterally lateral to the chaff sheave 17 (longitudinal direction of the sheave 26). It is supported so that it can reciprocate.

  The cleaning plate 28 is erected vertically in the vertical direction, and each plate 28 is provided with a guide hole 33 corresponding to the sectional shape of the fixed sheave 26, and each fixed sheave 26 is provided in each guide hole 33. It is configured to slide through and guide.

Scan scraper 29 contacts the inclined upper surface of the fixed sheave 26 which is inclined in the vertical direction is intended to remove deposits by sliding movement, also in this scraper inclined at a predetermined angle with respect to the moving direction gradient It has a blade edge 29a, provided symmetrically with the cleaning plate 28 in between, and has a substantially C-shaped blade edge 29a, 29a in plan view, thereby removing deposits against left and right reciprocating motion. Can be done without difficulty. Further, the scraper is provided with ascending inclined surfaces 29s and 29s (see FIGS. 7 and 8) so as to maintain a mountain-shaped inclination angle θ when viewed from the front. The deposit on the sheave surface is picked up upward. The most projecting end portion 29e of the scraper 29 is configured to coincide with the folding point 26a of the fixed sheave 26 so that dusts accumulated in the folded portion of the sheave can be easily removed.

Further, the cleaning plate 28 and the scan scraper 29 has a configuration which is integrally molded with an integral, synthetic resin material.

  In addition, each cleaning tool 30 includes a pair of operation cables 37a and 37b that are alternately pulled by a rotational drive of a drive motor 34, a balance arm 38 that reciprocates, a balance arm shaft 39, and a swing arm 40 that reciprocates. In order to reciprocate in the horizontal direction through the interlocking mechanism such as

  When the drive motor 34 is driven, the pair of operation cables 37a and 37b connected to the crank pin 36 are alternately pulled by the rotation of the crank arm 35, and the balance arm shaft 39 is rotated by the reciprocating rotation of the balance arm 38. The swing arm 40 reciprocally swings left and right as the center. The cleaning tool 30 connected to the swing arm 40 via the connecting pin 40a and the long hole 41 is forcibly reciprocated in the left-right and left-right directions. The moving range (moving stroke) L (see FIG. 4) is larger than the arrangement pitch P between the cleaning tools 30, 30, 30... (L> P), so that the scraper acts over the entire sheave surface. It is configured.

  The crank pin 36 and the operation cable 37b are connected and held via a spring 42 and a plate 43 so that an excessive load is not applied to the cable.

  The swing arm 40 is disposed on one side opposite to the side where a large amount of processed material from above the swing sorting shelf 15 falls. In the embodiment, since the amount of the processed material falling onto the swing sorting shelf is small on the feed chain 4 side and the second processing cylinder 7 side is large, the swing arm 40 is placed on the feed chain 4 side of the swing sorting shelf 15. By arranging the, the left and right balance of the swing shelf can be equalized.

  Further, the swing arm 40 part is provided in the space part in the upper rear part of the Kara wind tunnel 22a below the transfer shelf 16, so that the blind spot part of the swing shelf part can be used effectively and can be arranged compactly. it can. The balance arm 38 and the operation cable 37 are also arranged between the transfer shelf and the Karabu wind tunnel 22a.

  A guide groove 46 for swinging and guiding the swing arm 40 is provided in the front wall 45a portion of the swing sorting case 45, and an elastic seal member (for elastically closing the guide groove) is provided in the guide groove 46 portion. A brush body) 47 is provided. The oscillating arm 40 oscillates while pushing the slit portion 48 of the seal member 47 along the guide groove 46, but the guide groove is always closed after passing through the oscillating arm, so that soot and dust can flow out. Is prevented.

In the case where the cleaning tool is driven to swing by the rotational movement of the crank arm 35, the operation (moving) speed of the cleaning tool can be fast at the center of the operating range and slow at both ends of the operating range. . According to this, so that the dust such that were received by the diffusion effect size box scraper at the central portion is quickly removed. Further, the operating torque of the scan scraper by increasing the both end sides from the central portion of the operating range, when driving the remaining dust is attracted by the scraper in the opposite direction, since the required torque is larger, the operation of the scraper smoothly Yes.

As shown in FIG. 13, the forwardmost sheave 26f and rearmost sheave 26b of the first chaff sieve 17 parts, it has a configuration with a larger thickness than the other sheave 26 so as to increase the rigidity of the rail of the scan scraper. According to this, it improved supporting rigidity of the scan scraper, also reduces the Koze during exercise due to deflection of the sheave, thereby reliably of operation.

  The chaff sheave 17 and the cleaning tool 30 have their upper portions exposed when the feed chain 4 is opened (swinging open) (FIGS. 1 and 14), and cleaning and maintenance can be easily performed from the opened portion. Yes.

3 thresher unit 15 swings sorting shelves 16 transporting rack 17 chaff sieve 22a winnowing fan wind tunnel 26 fixed sheave (sheave)
28 Cleaning plate 29 scan scraper <br/> 29s rising inclined surface 30 the cleaning tool 40 the swing arm
45 swing sorting case
45a front wall 46 guide groove 47 elastic seal member
L Traveling stroke of the cleaning tool
P Arrangement pitch between each cleaning tool

Claims (3)

On the chaff sheave (17) of the swing sorting shelf (15) that receives the threshing processed product from the threshing part (3) and swings and sorts it, a cleaning plate (in the longitudinal direction and at predetermined intervals in the left and right direction) with 28) and the sheave (26) surface composed of a Luz scraper to remove deposits in sliding contact (29) into a plurality of cleaning tool (30), integrally these plurality of cleaning tool (30) The reciprocating movement stroke (L) of the cleaning tool (30) is set to be larger than the arrangement pitch (P) between the cleaning tools , and the scraper (29) The blade edges that are inclined at a predetermined angle with respect to the moving direction project from the cleaning plate (28) on both the left and right sides to form substantially C-shaped inclined blade edges (29a, 29a) in plan view, Inclined blade edges (29a, 29a) on the top surface of each sheave (26) The side where the left and right oscillating type swinging arm (40) for reciprocating the cleaning tool (30) is configured to be slidably contacted is the side on the oscillating sorting shelf (15) where a large amount of processed material falls from above. The swing arm (40) is disposed on the front wall (45a) of the swing sorting case (45) provided on the feed chain (4) side which is the opposite side in the left-right direction and provided with the chaff sheave (17). The grooving apparatus of the threshing machine is provided with a guide groove (46) for swinging and guiding, and an elastic seal member (47) for elastically closing the guide groove (46) is provided in the guide groove (46) portion. . Before Kiss scraper (29) is a symmetrical shape across the cleaning plate (28), and Katachi設mountain-climbing inclined surface of the (29s) in front view on the upper surface of the respective scan scraper (29) 請 Motomeko first swing sorting device threshing machine according. The pre KiYura rotating arm (40), chaff sieve (17) according to claim 1 or claim disposed between the winnowing fan wind tunnel located under the front of the transfer rack (16) and該移Okutana (16) (22a) 2. A swing sorting device for a threshing machine according to 2.

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