JP4681361B2 - Grain conveyor - Google Patents

Description

  The present invention relates to a grain transport device provided with a transport spiral.

Conventionally, a laterally transporting spiral in which a helical plate is attached to the outer periphery of a lateral helical shaft that is rotationally driven, and a longitudinally extending spiral plate that is attached to the outer periphery of a longitudinal helical shaft that is rotationally driven. The vertical conveying spiral is arranged on the end side of the horizontal conveying spiral, and the grain conveyed by the rotationally driven horizontal conveying spiral is inherited by the rotationally driven vertical conveying spiral and is directed upward. 2. Description of the Related Art A conveying device for grains to be conveyed is known (for example, see Patent Documents 1 and 2).
Japanese Utility Model Publication No. 3-12736 Japanese Utility Model Publication No. 6-38451

  The transport device of Patent Document 1 has a drawback in that straw scraps or the like may adhere to the end of the lateral transport spiral on the lower transport side due to wrapping or the like, which may hinder smooth transport of the grain. On the other hand, although the conveying apparatus of patent document 2 is provided with the rod-shaped removal member for scraping off and removing the said straw scrap etc., it is attached to the helical shaft and is a distance between the helical plates. For this reason, there is a drawback in that straw scraps or the like are wound around the removal member, which may hinder smooth conveyance of the grain.

The grain conveying device of the present invention for solving the above-described problem is a laterally-transported spiral 17 in a lateral direction in which a spiral plate 22 is attached to the outer periphery of a laterally driven spiral shaft 21 and is rotationally driven. And a vertical conveying spiral 18 having a helical plate 24 attached to the outer periphery of the vertical helical shaft 23. The vertical conveying spiral 18 is disposed on the end side of the horizontal conveying spiral 17 and is rotationally driven. In the grain conveying device that conveys the grain conveyed by the horizontal conveying spiral 17 to the vertical conveying spiral 18 that is rotationally driven and conveys the grain upward, the lower conveying conveyance of the horizontal conveying spiral 17 on the vertical conveying spiral 18 side. the removal unit 36, 40 is removed by scraping the contaminants adhering to the end portion side of the side, provided to rotate integrally, the axial center height of the spiral shaft 21 of the transverse conveying spiral 17 the removal portion 36, 40 Sato Are the first, characterized in that arranged on one height.

Secondly, the removing portions 36 and 40 are integrally provided on the spiral plate 24 on the longitudinal conveying spiral 18 side .

  According to the structure of the present invention configured as described above, contaminants such as sawdust adhering to the end side of the lower conveyance side of the horizontal conveyance spiral due to wrapping or the like are removed by the removal unit that rotates integrally with the vertical conveyance spiral. Thus, there is an effect that the grain can be smoothly conveyed. In addition, there exists an advantage that a removal part can be provided easily by providing a removal part integrally in a spiral plate.

  FIG. 1 is a side view of a threshing apparatus employing the grain conveying apparatus of the present invention. The threshing device 1 includes a threshing chamber 2 for threshing the harvested cereal meal and a sorting chamber 3 for sorting the threshed grain. In the threshing chamber 2, a handling cylinder 6 for threshing the cereals conveyed by the feed chain 4 is provided. The sorting room 3 is located below the threshing room 2. The sorting room 3 and the threshing room 2 are separated by a receiving net 7 that leaks a handled item.

  In the sorting chamber 3, a swinging sorter 8 for swinging and sorting the leaked grains, a red pepper fan 9 for raising a sorting wind, a dust exhausting fan 11 for forcibly discharging sawdust and the like, and a swinging sorter 8 The first storage part 12 for storing the first thing selected by the No. 2, the second storage part 13 for storing the second thing including branch incision grains, ear cut grains, etc. that were not stored as the first thing, the first storage part 12 is a cerealing device 14 that lifts and conveys the first thing accommodated in 12, and a reduction conveying device 16 that lifts and conveys the second thing accommodated in the second accommodating portion 13 and returns it to the swinging sorter 8. Is provided.

  The said structure is the same as that of the conventional threshing apparatus, and performs the same threshing, selection, the conveyance operation of a grain, etc. conventionally. The grain conveyance device of the present invention is employed in the reduction conveyance device 16 for the second product reduction.

  As shown in FIGS. 2 to 4, the reducing and conveying apparatus 16 is erected on the second lateral spiral 17 provided in the second accommodating portion 13 in the left-right direction and on one end side of the second lateral spiral 17. The second vertical spiral 18 is provided. The second vertical spiral 18 is covered with a substantially cylindrical conveying cylinder 19 that is erected on one end side of the second accommodating portion 13.

  The second horizontal spiral 17 has a structure in which a helical plate 22 is attached to the outer periphery of a horizontal helical shaft 21 that is rotatably supported on the threshing device 1 side. The second vertical spiral 18 has a structure in which a helical plate 24 is attached to the outer periphery of a vertical helical shaft 23 pivotally supported on the threshing device 1 side. The vertical spiral shaft 23 is disposed in front of the horizontal spiral shaft 17. The spiral plate 24 of the second vertical spiral 18 does not contact the horizontal spiral shaft 21.

  A bevel gear 26 is attached to the lower end of the vertical spiral shaft 23 so as to rotate integrally. A bevel gear 27 meshing with the bevel gear 26 is attached to a shaft 28 parallel to the lateral spiral shaft 21. A sprocket 29 is attached to the shaft 28. A chain 32 is hung between the sprocket 29 and a sprocket 31 attached to the end of the lateral spiral shaft 21.

  When the horizontal spiral shaft 21 is rotationally driven, the second horizontal spiral 17 is rotated, and the driving force is transmitted to the vertical helical shaft 23 via both the sprockets 29 and 31, the chain 32, and the bevel gears 26 and 27. 23 is driven to rotate, and the second vertical spiral 18 rotates.

  The second object accommodated in the second accommodating part 13 by the rotation of the second transverse spiral 17 is laterally conveyed to one end of the second accommodating part 13 and is inherited by the rotating second longitudinal spiral 18 to be inherited. The article is lifted and conveyed by the rotation of the second vertical spiral 18, discharged from the discharge part 33 provided at the upper part of the transfer cylinder 19, and returned to the swinging sorter.

  As shown in FIGS. 2 to 6, a portion of the spiral plate 24 of the second vertical spiral 18 that is at the same height as the axial center height of the horizontal spiral shaft 21 is partially cut off in a straight line. Yes. As shown in FIGS. 6 and 7, on the lower surface (non-conveying surface) of the cut-out portion 34 of the spiral plate 24 whose peripheral edge has been cut off, the plate-like deposit removal protruding from the end of the cut-out portion 34 is removed. The body 36 is fixed integrally.

  The deposit removing body 36 forms a portion of the spiral plate 24 of the second vertical spiral 18 that is substantially the same height as the axial center height of the horizontal spiral shaft 21 in an uneven shape. The front end portion of the deposit removing body 36 is relatively chamfered on both sides and is inclined. The tip of the deposit removing body 36 does not protrude outward from the peripheral edge (portion not cut off) of the spiral plate 24.

  As described above, when the second object is horizontally transported by the second lateral spiral 17, adhered matter is attached to the end of the lateral spiral shaft 17 on the lower transport side due to winding of straw or the like. In particular, the second item has a high mixing ratio of straw scraps and the like, and the frequency of occurrence is higher in materials that generate a lot of straw such as lodging materials and blue materials.

  On the other hand, since the second vertical spiral 18 is rotationally driven, the deposit removing body 36 periodically protrudes in the direction of the horizontal spiral shaft 21 at a position substantially the same as the axial center height of the horizontal spiral shaft 21. Then, the straw wound around the horizontal spiral shaft 21 is scraped off and the adhering matter adhering to the horizontal spiral shaft 21 is removed. Since the front end portion of the deposit removing body 36 is chamfered and inclined on both sides, a clearance angle is formed with respect to the rotation direction, and winding of straw or the like around the deposit removing body 36 is prevented.

  As a result, clogging of the grain due to straw or the like wound around the horizontal spiral shaft 21 is prevented, and the grain is smoothly conveyed. Further, the frequency of cleaning the horizontal spiral shaft 21 can be reduced. Since the deposit removing body 36 is integrally provided on the spiral plate 24 and has a clearance angle with respect to the rotation direction, there is an inconvenience that straw or the like is wound around the longitudinal spiral shaft 23 by the deposit removing body 36. Is also prevented.

  The spiral plate 24 of the second vertical spiral 18 is provided with processing protrusions 37 for making the spiked grains and branch infarct grains into a single grain on a part of the conveying surface. Further, since the spiral plate 24 cannot be provided at the portion of the horizontal spiral shaft 21 facing the second vertical spiral 18, the scraping plate 35 is integrally provided so as to be positioned on the outer peripheral side of the spiral plate 24. ing. As the scraping plate 35 rotates integrally with the horizontal spiral shaft 21, straw scraps accumulated between the second horizontal spiral 17 and the second vertical spiral 18, straw to be wound around the vertical spiral shaft 23, and the like are scraped out.

  On the other hand, as shown in FIG. 8, a portion of the spiral plate 24 of the second vertical spiral 18 that is substantially the same height as the axial center height of the horizontal spiral shaft 21 is cut out, and a part thereof is formed into a protrusion shape. The plate 24 may be formed in an uneven shape.

  In this case, as the second vertical spiral 18 rotates, the protruding portion 40 formed by the notch periodically protrudes in the direction of the horizontal spiral shaft 21 at a position substantially the same as the axial center height of the horizontal spiral shaft 21. Appearing, scraping off the straw wound around the horizontal spiral shaft 21, etc., removing the adhering matter adhering to the horizontal helical shaft 21, and acting as the adhering matter removing body.

  Thereby, the same effect as described above can be obtained. The protruding portion 40 has a clearance angle with respect to the rotation direction, and the inconvenience that straw or the like is wound around the vertical spiral shaft 23 by the protruding portion 40 (attachment removal body) is prevented.

  As shown in FIGS. 2, 4, and 9, a lateral hole 38 is provided in the lower portion of the peripheral surface of the transport cylinder 19. A discharge plate 39 that pushes out water, debris, and the like is integrally attached to the vertical spiral shaft 23 at a portion facing the horizontal hole 38. With the rotation of the second vertical spiral 18, the discharge plate 39 rotates integrally, splashing water, debris and the like in the outer peripheral direction of the second vertical spiral 18 and pushing out.

  As a result, not only moisture but also wet or wet debris is forcibly splashed off by the discharge plate 39 and discharged from the lateral hole 38, so that the bevel gears 26 and 27 are accommodated in the gear case 41 in which the bevel gears 26 and 27 are accommodated. Intrusion of moisture is prevented, and damage to the bevel gears 26 and 27 and bearings is prevented.

  As shown in FIG. 9, since the discharge plate 39 is provided with an inclination on the lower side in the rotational direction, the action of pushing out the second vertical spiral 18 of water, waste, etc. in the outer peripheral direction is high. .

  In the said embodiment, although what applied the grain conveying apparatus of this invention to the reduction | restoration conveying apparatus 16 was demonstrated to the example, the grain conveying apparatus of this invention can also be employ | adopted for the cerealing apparatus 14 grade | etc., Similar effects can be obtained.

It is a right view of a threshing apparatus. It is a principal part rear view of the intersection of 2nd horizontal spiral and 2nd vertical spiral. It is principal part left side sectional drawing of the 2nd vertical spiral part. It is a perspective view of a conveyance cylinder. It is a back perspective view showing the 2nd horizontal spiral and the 2nd vertical spiral. It is a top view which shows the 2nd horizontal spiral and the 2nd vertical spiral. It is a perspective view of the 2nd vertical spiral. It is a top view which shows the 2nd vertical helix and 2nd horizontal helix of other embodiment. It is AA sectional drawing of FIG.

Explanation of symbols

17 Second horizontal spiral (horizontal transport spiral)
21 Horizontal spiral axis (helical axis)
22 helical plate 23 vertical helical shaft (helical shaft)
24 Spiral plate 36 Deposit removal body (removal part)
40 Protruding part (removal part)

Claims (2)

An outer periphery of a lateral lateral conveying spiral (17) in which a helical plate (22) is attached to an outer periphery of a laterally driven helical shaft (21) and a longitudinally driven helical shaft (23) that is rotationally driven. And a vertical transport spiral (18) in the vertical direction to which a spiral plate (24) is attached. The vertical transport spiral (18) is disposed on the end side of the horizontal transport spiral (17) and is rotationally driven. In the grain conveying device that conveys the grain conveyed by the conveying spiral (17) to the vertical conveying spiral (18) that is rotationally driven and conveys the grain upward, it is laterally conveyed to the vertical conveying spiral (18) side. Removal parts (36) and (40) for removing contaminants adhering to the end of the lower side of the spiral (17) by scraping are provided so as to rotate integrally, and the removal parts (36) and (36) 40) Spiral axis of lateral transport spiral (17) Grain conveying device arranged axis at a height substantially the same height position of 21). 2. The grain conveying device according to claim 1, wherein the removing sections (36), (40) are integrally provided on the spiral plate (24) on the longitudinal conveying spiral (18) side .

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