JP4826679B2 - Threshing device - Google Patents

Description

  The present invention relates to a threshing apparatus.

  The combine threshing device includes a swing sorting shelf for sorting threshing, and changes the sheave interval of the chaff sheave of the swing sorting shelf according to the threshing state to enhance the sorting performance.

Microfilm of Japanese Utility Model No. 3-36139 (Japanese Utility Model Application No. 4-124042)

  In the form of interlocking from the waste device that transports the threshed waste to change the sheave interval of the chaff sheave, the waste device is in the position closer to the tip and the sheave interlock changes the sheave interval of the swing sorting shelf Since the cocoons are located on the side of the stock market, it is difficult to make a linked structure between them, which tends to obstruct evacuation and sorting.

In order to solve the above problems, the present invention takes the following technical means.
That is, the invention according to claim 1 is characterized in that the front end of the processing chamber (12) provided with the processing cylinder (32) at the rear end of the threshing chamber (25) provided with the handling cylinder (29) is disposed at the processing port (41). The processing chamber outlet (13) formed at the rear end portion of the processing chamber (12) is opened on the stroll back (42) of the swing sorting shelf (3), and the rear of the threshing chamber (25) is opened. A suction dust remover (9) is provided at the upper part of the dust discharge port (8) side formed at the rear end of the dust discharge chamber (6), and a feed chain (27) is provided above the dust discharge chamber (6). A waste chain (43) that inherits the waste after threshing and supplies it to the rear waste cutter (44), and a straw (2) provided under the waste chain (43); The rear side of the dust chamber (6) is bypassed between the sheave interlocking cage (5) that changes the sheave interval of the chaff sheave (4) in preparation for the outer part of the swing sorting shelf (3). It is linked with the moving mechanism (7), and the cover (14) provided on the wall plate (57) side of the suction dust remover (9) is placed on the swing sorting shelf (3) from the rear of the processing chamber (12). The threshing apparatus is characterized in that it is configured to prevent swarf and dust discharged to a part of the interlocking mechanism (7).

  The invention according to claim 2 is characterized in that the change range of the sheave interval of the chaff sheave (4) that is changed in conjunction with the pinching (2) can be regulated by manual operation of the lever (63). The threshing apparatus according to claim 1.

  According to the first aspect of the present invention, the interlocking mechanism (7) bypasses the rear side portion of the dust removal chamber (6) so as not to obstruct the evacuation and sorting and to maintain smooth interlocking. In addition, maintenance can be performed easily.

Further, it is possible to prevent soot and dust discharged from the rear part of the processing chamber (12) from adhering to a part of the interlocking mechanism (7) and entanglement, thereby enabling smooth interlocking.
According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the change range of the sheave interval of the chaff sheave (4) that is changed in conjunction with the pinch (2) 63) can be regulated by manual operation.

The side view of the interlocking mechanism part of the chaff sheave interval showing the first embodiment of this invention The rear view. The top view of the one part. The top view of the threshing apparatus part of the combine. The side view. The side view of the combine. The side view of the rocking | swiveling selection shelf part which shows a 2nd Example. The side view of the rocking | swiveling selection shelf part which shows a 3rd Example. The same side view which shows the effect | action.

  The present invention can be effectively implemented in a combine threshing apparatus. In the combine, the threshing device holds the stem of the culm that is harvested and transported from the reaping device between the feed chain and the culm along the cereal transfer port on one side of the threshing chamber with the interior of the handling cylinder. And let it thresh while being conveyed backward by this feed chain. A dust evacuation chamber is arranged on the rear side of the threshing chamber, and an upper portion is provided with an evacuation device that inherits the threshed waste that is conveyed by the feed chain and conveys it obliquely to the rear tip side. In addition, a suction dust collector in the form of a cross-flow fan is provided at the rear, and a swing sorting shelf having a chaff sheave, a stroller rack, etc. is provided in the sorting room below the threshing chamber and dust removing chamber. Can be implemented.

  Here, between the rear part of the culling device that transports the threshed sorghum to the back tip side, and the sheave interlocking cocoon that is located on the stock side of the swing sorting shelf and changes the sheave interval of the chaff sheave As a configuration of the threshing rocking sorting device, the rear side portion of the dust removal chamber is linked by a detour linkage mechanism, and a smooth sheave interval that does not disturb the sorting and sorting is performed.

  In addition, a part of the interlocking mechanism is provided along the lower side of the dust separation plate between the dust discharge port at the lower end of the rear end of the dust discharge chamber and the dust discharge port of the upper suction dust discharger. This is characterized in that a part of the interlocking structure is covered with a dust separation plate to perform smooth interlocking and simplify the arrangement of the interlocking structure.

  Furthermore, a part of the interlocking mechanism is located in a dust removal chamber between the suction dust remover and the treatment chamber outlet located on the tip side, and is covered with a cover. Therefore, it is easy to set up the interlocking mechanism, prevent winding of sawdust etc., and make smooth interlocking.

  Next, the chaff sheave of the oscillating sorting shelf is configured as a threshing oscillating sorting device characterized in that a fixed sheave set at a constant opening is arranged at the rear end of a movable sheave whose sheave interval can be freely changed. Even when the sheave interval of the movable sheave is too narrow, the fixed sheave part at the rear end maintains a wide opening and allows the grain to be leaked for sorting, resulting in sorting loss such as discharge to the outside of the machine. Reduce.

  Further, the chaff sheave of the swing sorting shelf automatically changes the sheave interval by interlocking with the threshing unit, and is provided with a change area of the sheave interval that can be regulated by manual interlocking. If the sheave interval of the movable sheave is too narrow or too wide due to automatic change, manually change the sheave interval of the variable sheave at the rear end to cut, thresh, etc. Can be adapted to improve sorting performance.

An embodiment of the present invention will be described with reference to the drawings.
A first embodiment will be described with reference to FIGS. The general structure of the combine is that a reaping device 19 is supported on a vehicle body 18 having a pair of left and right crawlers 17 so that it can be moved up and down, and a threshing device 20, a cockpit 21 and a control table are provided in an interior cabin 22, a Glen tank 23, the threshing auger 24, etc. are mounted, and each part is transmitted by the engine mounted on the lower part of the cockpit 21. The threshing device 20 is arranged so that the feed chain 27 and the cocoon 28 provided along the cereal transfer port 26 of the threshing chamber 25 are along the outside. 22 and Glen tank 23 are mounted.

  The threshing device 20 has a handling cylinder 29 at its upper part, a threshing chamber 25 for shaft mounting, a second processing cylinder 30 for second processing chamber 31 for shaft mounting, a processing cylinder 32 for processing chamber 12 for shaft mounting, a dust removal chamber 6, and A suction dust remover 9 comprising a cross-flow fan is arranged, and the lower sorting chamber 29 is provided with a swing sorting shelf 3, and the sorting wind blown from the red pepper 33 passes through the sorting air passage 34 to be sucked dust remover. It is configured to pass through the 9 side. At the bottom of the sorting air passage 34, a first basket 35 for taking out the first grain, this first cereal plate 36, a second bowl 37 for taking out the second grain, and the like are arranged.

  The threshing chamber 25 has a threshing net 38 at the lower periphery, and a processing net 39 at the lower periphery of the processing chamber 12 to allow threshing and a part of the processed product to leak to the upper surface of the swing sorting shelf 3. be able to. The terminal portion of the threshing chamber 25 is formed with a discharge port 40 for feeding the threshed waste that is held and conveyed by the feed chain 27 to the dust chamber 6, and the front end of the processing chamber 12 is communicated with the processing port 41. . This processing chamber 12 is constructed across the tip side of the dust removal chamber 6 in the front-rear direction, and the processing chamber outlet 13 is formed by opening the rear end portion on the Strollac 42 at the rear end of the swing sorting shelf 3. is doing.

  The dust discharge chamber 6 forms a soot discharge port 8 at the rear end thereof, and guides the discharge of soot and the like discharged from the Strollac 42 to the outside of the machine. A suction dust remover 9 is provided on the part 8 of the dust discharge port, and the dust discharged from the dust chamber 6 can be sucked and discharged from the dust discharge port 10 on the rear side to the outside. In addition, an exhaust chain 43 constituting the exhaust device 1 is provided obliquely to the rear tip side at the upper part of the dust exhaust chamber 6, inheriting the exhaust discharged from the feed chain 27, It is configured to supply to the scissors cutter 44.

  The second processing chamber 31 is located at the tip side of the threshing chamber 25, the second cerealing machine 45 is communicated with the second basket 37 at the rear end, and the discharge port 46 is formed at the front end. Thus, the processed product can be dropped from the discharge port 46 onto the transfer plate 47 of the swing sorting shelf 3. A first cerealing machine (not shown) is provided between the tip side of the first culm 35 and the grain tank 23, so that grains can be accommodated in the grain tank 23.

  The swing sorting shelf 3 is provided with a transfer plate 47 below the threshing chamber 25, and a chaff sheave 4 is arranged from the rear of the threshing chamber 25 to the lower side of the dusting chamber 6, and the suction discharge at the rear end thereof. A stroller 42 is provided below the duster 9. In addition, a Glen sheave 48 is provided below the chaff sheave 4.

  Below the waste chain 43 at the top of the dust chamber 6 is provided a basket 2 that constitutes the waste apparatus 1, holding the drained drained waste and obliquely toward the rear tip side. Can be transported. The waste 2 moves up and down against the spring 49 in accordance with the amount of waste transported. The sheave interlocking mechanism 7 is configured to interlock between the scissors 2 and the sheave interlocking scissors 5 of the chaff sheave 4 so as to bypass the rear side of the dust chamber 6. The link 51 is connected to the rod 50 at the rear end of the link 2, and the lower end of the link 51 is connected to the shaft arm at one end of the link shaft 52 in the horizontal direction. It interlocks to rotate.

  The interlocking shaft 52 is mounted in the horizontal direction along the lower side of the dust separation plate 11 formed on the lower side of the dust outlet 10 of the suction dust collector 9, and is outside the machine wall on the stock side. Has a shaft arm portion 53, a wire 55 is connected through a spring 54, and the wire 55 is connected to a sheave arm 56 of the sheave interlocking rod 5 for changing the sheave angle of the chaff sheave 4. ing. In a state where the amount of waste is small and the waste 2 is moved upward and close to the waste chain 43, the sheave angle is gentle and the selection interval of the chaff sheave 4 is narrowed. When the kite 2 is moved downward, it is interlocked so as to widen the selection interval of the chaff sheave 4.

  The link 51 which is a part of the interlocking mechanism 7 is a dust discharge chamber between the suction dust discharger 9 located below the rear end of the basket 2 and the processing chamber outlet 13 on the tip side. 6 is supported along the wall plate 57 on the tip side of the suction dust remover 9 and is covered with the cover 14. For this reason, even if swarf or dust that is about to be discharged from the processing chamber outlet 13 at the rear end portion of the processing chamber 12 to the lower Strollac 42 is scattered, the cover 14 adheres to the link 51 portion, The entanglement is prevented and the interlocking mechanism can be smoothly interlocked.

  Differences from the above example will be described with reference to FIG. The chaff sheave 4 of the swing sorting shelf 3 is composed of a movable sheave 15 portion that can change and adjust the sheave interval at the front portion, and a fixed sheave 16 that is always open at the sheave interval at the rear end portion. As described above, the sheave interlocking rod 5 is provided and interlocked with the rod 2 of the evacuation device 1 by the wire 55 or the like. However, since the fixed sheave 16 is opened at an appropriate interval, the movable sheave 15 Even when the sheave interval becomes narrower and the sorting is no longer performed, leakage sorting is performed at the fixed sheave 16 portion at the rear end, and the unsorted grain is left as it is on the Strawack 42 as the sawdust discharge port 8. Do not let go.

  The upper end of the first grain plate 36 is positioned below the boundary between the movable sheave 15 and the fixed sheave 16, and the auxiliary plate 58 made of a rubber plate or the like is provided below the swing sorting shelf 3. The grain leaked from the fixed sheave 16 can be collected in the first bowl 35, and the sized particles flow down to the second bowl 37. Can be reduced. The auxiliary plate 58 can also be configured so as to be movable back and forth.

  Differences from the above example will be described with reference to FIGS. The sheave arm 56 of the sheave interlocking rod 5 for changing the sheave interval of the chaff sheave 4 has a pin hole 60 that engages the wire pin 59 at the tip of the wire 55 interlocking with the rod 2 as a long hole, and a spring. 54 is provided to pull the wire pin 59. The wire 61 is connected to the tip of the sheave arm 56 and operated with the lever 63 of the control table 62 near the cockpit 21 to regulate the interlock adjustment of the sheave interval by the wire 55. When the lever 63 is operated to the front side A, the wire 61 is pulled against the spring 64, and the sheave arm 56 is rotated B to adjust the sheave interval of the chaff sheave 4 to be narrowed (FIG. 8). Further, when the lever 63 is operated in the counter arrow A direction, the sheave arm 56 is pulled back in the counter arrow B direction by the spring 64, the sheave angle becomes steep, and the sheave interval is increased.

  In this way, the opening and closing of the sheave interval is restricted by the lever 63. At this time, the wire pin 59 that is interlocked from the side of the flange 2 is absorbed by the pin hole 60 of the sheave arm 56, and the sheave interval by the manual operation. Regulated interlocking opening and closing. For this reason, when the interlocking opening and closing from the heel 2 is performed freely, the sheave arm 56 by the lever 63 may be positioned in the counter arrow B direction.

2 Clamping 3 Swing sorting shelf 4 Chaff sheave 5 Sheave interlocking rod 6 Dust removal chamber 7 Interlocking mechanism 8 Scrap waste outlet 9 Suction dust remover 12 Processing chamber 13 Processing chamber outlet 14 Cover 25 Threshing chamber 27 Feed chain 29 Handling cylinder 32 Processing cylinder 41 Processing port 42 Strollac 43 Waste chain 44 Waste cutter 57 Wall plate 63 Lever

Claims (2)

The processing chamber (12) is made to communicate with the rear end portion of the threshing chamber (25) including the handling cylinder (29) through the processing port (41) at the front end of the processing chamber (12) including the processing cylinder (32). The processing chamber outlet (13) formed at the rear end of the rear is opened on the stroller back (42) of the swing sorting shelf (3), and at the rear end of the dust removal chamber (6) on the rear side of the threshing chamber (25). A suction dust remover (9) is provided at the upper part of the formed dust discharge port (8) side, and the upper part of the dust removal chamber (6) inherits the waste after threshing from the feed chain (27) and is rearward. A waste chain (43) for supplying to the waste cutter (44) is provided, a basket (2) provided below the waste chain (43), and an outer portion of the swing sorting shelf (3) In conjunction with the sheave interlocking rod (5) that changes the sheave interval of the chaff sheave (4), the interlocking mechanism (7) that bypasses the rear side of the dust removal chamber (6) By the cover (14) provided on the wall plate (57) side of the dust collector (9), the waste and dust discharged from the rear part of the processing chamber (12) onto the swing sorting shelf (3) are A threshing apparatus characterized by being configured to prevent scattering to a part of the interlocking mechanism (7). Threshing according to claim 1, characterized in that the change range of the sheave interval of the chaff sheave (4) that is changed in conjunction with the pinch (2) can be regulated by manual operation of the lever (63). apparatus.

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