JP4640112B2 - Thresher - Google Patents

Description

The present invention relates to a threshing machine mounted on a combine or a harvester.

Grains harvested by the harvesting device provided at the front of the combine are threshed in the threshing machine's handling room. ) Is mixed. There is a threshing machine in which a second processing device for further threshing the second product into a single grain is provided in the handling room.

For example, in Patent Document 1 below, as a second processing device of a threshing machine, a transfer spiral and processing teeth and a branch inflection plate are provided on the outer peripheral portion of the second processing cylinder, and the terminal portion of the second processing cylinder has the above-mentioned The structure which provided the resistance board which approaches a branch infarction board from the outside in the inner wall of the 2nd processing cylinder is shown.
JP-A-11-299341

In the No. 2 processing apparatus described in Patent Document 1, the feeding resistance of the No. 2 item tends to be greatly clogged, and the grain size is not sufficient.
Therefore, an object of the present invention is to process the second item more efficiently than in the past.

The above object of the present invention is achieved by the following configuration.
That is, the inventions of claim 1 Symbol placement on one side of the threshing chamber to Jikuka the threshing drum (15) (1), for processing receiving an object to be processed from the rear of該扱chamber (1) dust-exhaust A dust disposal chamber (19) is provided with a processing cylinder (18) as an axis, and a front of the dust disposal cylinder (18) treats the second product discharged from the second lifting cylinder (28) . in turn processing drum (3) a Jikuka the double-dip process chamber (2) is provided with threshing machines, double-dip with approaching the the double-dip process drum agitation conveying member provided upright on the outer periphery of (3) (4) A plurality of transfer resistance plates (5) having a resistance surface (6) having a receding angle (θ) with respect to the transfer direction (A) of the second object in the processing chamber (2) are provided in the second processing chamber (2). of provided on the inner wall, open the maintenance window at a position above the respective transfer resistance sheet with is inclined downward toward the upper end edge inward below the threshing machine (5) of the respective transfer resistance plate (5) Is obtained by a threshing machine, characterized in that a 40).

The inventions of claim 2, wherein in each transfer resistance plate (5), the base resistance surface consisting of a plane perpendicular to the double-dip process cylinder (3) and (7), two number processing chamber (2) in The threshing machine according to claim 1, wherein a resistance surface (6) having a receding angle (θ) with respect to a transfer direction (A) of the second product is formed .

The inventions of claim 3, wherein the plate surface of each transfer resistance plate (5), gradually as those of the transport direction downstream side in the transport direction of the double-dip of the two number processing chamber (2) (A) is obtained by the receding angle (theta) is characterized in that by each curved so increases claim 1 Symbol placement threshing machine.

According to the invention 請 Motomeko 1, wherein two number processing chamber (2) of the two numbers was receding angle (theta) double dip by resistor face (6) that have a relative conveying direction (A) of A returning action works on the object, and the collision with each transfer resistance plate ( 5 ) is repeated to improve the threshing action.
Moreover, the upper end edge of each transfer resistance plate (5) is inclined downward toward the inner lower side of the threshing machine, so that accumulation of sawdust can be prevented and provided at an upper position of each transfer resistance plate (5). Inspection and clogging can be removed by opening and closing the maintenance window (40).

According to the second aspect of the present invention, in addition to the effect of the invention according to the first aspect, the tip having a threshing action and receding angle perpendicular base resistance surface that double-dip product collides strongly (7) (θ) action back by resistance surface (6) is repeated moderately, Ru can be performed threshing two numbers thereof effectively.
According to the invention described in claim 3 , in addition to the effect of the invention described in claim 1 , the plate surface of each transfer resistance plate ( 5 ) is moved in the transfer direction of the second object in the second processing chamber (2) ( gradually receding angle as those of the transport direction downstream side in a) (theta) that is respectively bent so increases, Ru can be minimizing an clogging.

1, FIG. 2 and FIG. 3 show a threshing processing unit of a combine.
A threshing device 11 having a feed chain 10 for transporting cereals, a slaughtering device 12 for transferring and transporting wastes conveyed from the feed chain 10 behind the threshing device 11, and the sewage chain A cutter device 13 that cuts the waste is provided below the terminal portion 12.

The cereal meal is configured to be threshed and sorted by the threshing device 11 while being conveyed backward by the feed chain 10 of the threshing device 11.
In the threshing device 11, a handling chamber 1 having a handling cylinder 15 having a handling net 14 mounted on a handling cylinder shaft 16, and a processed material from the rear of the handling chamber 1 is received on one side of the handling chamber 1. A dust removal treatment chamber 19 is provided in which a dust removal treatment cylinder 18 having a dust treatment network to be processed is mounted on a dust removal treatment cylinder shaft. A swing sorting shelf 20 is provided below the handling chamber 1 and the dust treatment chamber 19.

Further, a second processing chamber 2 including a second processing cylinder 3 and a second processing cylinder receiving rod 21 (which may be a net or a lattice) is configured in front of the dust removal processing cylinder 18. In the present embodiment, the second processing cylinder 3 is one side of the handling cylinder 1 and is integrally formed with the dust processing cylinder 18 in front of the dust processing cylinder 18. The second processing cylinder 3 basically processes a second product. Since the second treatment cylinder 3 is supported by the second treatment cylinder shaft 22, the dust removal treatment cylinder 18 and the second treatment cylinder 3 are integrally formed with the dust treatment cylinder shaft and the second treatment cylinder. The structure is supported by the trunk shaft 22.

Further, FIG. 2 is a cross-sectional view taken along the line A-A shown in FIG. 1. Since the workpiece leaked from the handling net 14 is taken into the second processing chamber 2, the second processing cylinder 3 is In addition to the second item, the object to be processed that has entered from the handling chamber 1 is also processed together. The handling net 14, the second processing cylinder receiving rod 21, and the dust processing net 19 are provided below the handling cylinder 15, the second processing cylinder 3, and the dust processing cylinder 18, respectively.

The dust removal processing teeth 18a of the dust removal processing cylinder 18 need to be fixed in such a direction as to send the cereal from the rear part of the handling chamber 1 in the lower direction of the sorting wind feed direction. In the present embodiment, the dust removal processing teeth 18 a have a spiral shape wound around the outer peripheral surface of the dust removal processing cylinder 18.

The handling cylinder 15, the second processing cylinder 3, and the dust removal processing cylinder 18 are configured to rotate clockwise in a front view of the threshing device 11 that looks from the upper side to the lower side in the sorting wind feed direction. Therefore, it is necessary to fix the direction of the processing teeth 3a of the second processing cylinder 3 in such a direction as to send the cereals in the upper direction of the sorting wind feed direction.

In other words, the processing tooth 3a has an action of conveying the object to be processed to the upper side in the sorting wind feed direction, and further has an action of processing the object to be processed. That is, the processing tooth 3a is a part of the spiral, and is configured to process the object to be processed by the interaction between the circumferential tip portion and the second processing cylinder receiving rod 21. Blade 3b provided in the transfer terminal end portion of the double-dip process cylinder 3 is to forcibly feed the treatment object on the swing sorting shelves 2 0.

The second processing cylinder 3 that pivots on the second processing chamber 2 is provided with a stirring transport body 4, which is a plate body 4 a that is spirally erected at a predetermined interval. Notched.
A plurality (three in this embodiment) of transfer resistance plates 5 are installed on the inner wall of the machine frame 9 at the upper portion of the second processing cylinder 3 at the inner wall of the machine frame 9 for receiving spears that are blown off by the agitating and conveying body 4. . As shown in FIG. 4, the transfer resistance plate 5 has a mounting portion standing vertically with respect to the second processing cylinder 3 and bent at a middle portion with a receding angle θ with respect to the transfer direction A. Yes.

As shown in FIG. 4, the plurality of transfer resistance plates 5 are arranged at intervals L1 from the outlet 30 of the second lifting cylinder 28, which will be described later. By making it narrow, the second thing taking in from the discharge port 30 is made smooth, and the threshing action in each transfer resistance board 5 is performed effectively.

Further, since each transfer resistance plate 5 uses the same components, the distance L3 between the tips is the same as the arrangement distance L2, and the distance L4 between the tips and the mounting portion is set to an interval that does not clog the chips.
Further, as shown in FIG. 5, the plate body 4 a carries around the second object so that the plurality of plate bodies 4 a constituting the agitation transport body 4 can be accommodated in the arrangement interval L <b> 2 of each transfer resistance plate 5. Avoid the number of stirring strokes.

As shown in FIG. 5, the plate surface of each transfer resistance plate 5 is provided with a lead angle α with respect to the transfer direction A so as to give an appropriate feed action to the second object, The lead angle α is substantially the same as or slightly smaller than the spiral angle β of the plurality of plates 4a constituting the stirring and conveying body 4. It has been experimentally clarified that this level can effectively thresh without causing clogging.

When the threshing capacity is sufficient, as shown in FIG. 6, the plate surface of each transfer resistance plate 5 can be set to the reverse lead angle γ. In that case, the reverse lead angle γ is made larger than the spiral angle β to increase the transport resistance and strengthen the threshing action.

As shown in FIG. 4, the plate surface of each transfer resistance plate 5 is composed of a base resistance surface 7 of a vertical mounting base and a tip resistance surface (resistance surface) 6 having a receding angle θ, so that it collides with the second object. Threshing and returning can be performed effectively, but as shown in FIG. 7, the plate surface can be formed into a curved shape that gradually increases the receding angle θ. In this case, the distance between the transfer resistance plates 5 is constant, and an effect of reducing the occurrence of clogging can be expected.

As shown in FIG. 2, the protrusion width M1 of each transfer resistance plate 5 from the machine wall 9 is made larger than the protrusion width M2 of the second processing cylinder receiving rod 21, thereby improving the threshing conveyance efficiency of the second thing. is doing. Furthermore, the protrusion width M1 from the machine wall 9 of each transfer resistance plate 5 is made wider than the discharge port 30 of the second lifting kernel 28, so that the second thing from the discharge port 30 is placed on the second processing cylinder 3. Make sure to guide. Further, the transfer resistance plate 5 on the discharge port 30 side of the second cereal cylinder 28 extends to the extension line of the discharge port 30 to guide the second item into the second processing cylinder 2.

Further, the upper end edge of each transfer resistance plate 5 is inclined downward toward the lower side of the machine so that the sawdust does not accumulate here.
The handling cylinder 1 and the second processing chamber 2 are housed in the machine frame, but a maintenance window 40 that can be opened and closed is provided above the transfer resistance plate 5 so that inspection and clogging can be removed. ing.

Below the handling chamber 1, the second processing chamber 2, and the dust removal processing chamber 19, an oscillating sorting shelf 20 that receives and sorts the falling objects to be sorted is installed. Is provided with a tang 23 on the start side of the sorting air feed direction, and an air passage 24 and an air passage 25 are provided on the lower side of the sorting air sent from the tang 23 in the feeding direction. The first helix 26 is provided on the lower side of the air duct 24 and the air passage 25, and the second helix 27 is provided on the lower side of the first helix 26 in the sorting wind feed direction. A second milling cylinder 28 is provided for milling the second product collected by the second spiral 27 to the second processing chamber 2.

The cereals conveyed from the reaping device are handed over to the starting end of the feed chain 10 of the threshing device 11, and the cereals handed over to the feed chain 15 are transported rearward and handled with the handling cylinder 15. It is threshed by the net 14. A part of the threshed threshing falls on the swing sorting shelf 20 and is sorted by the swinging action of the swing sorting shelf 20 and the wind sorting action from the Kara 23 and taken into the first spiral 26. As a result, the grain taken into the first spiral 26 is temporarily stored in the Glen tank.

After the threshing, the waste is handed over from the end of the feed chain 10 to the start of the waste chain 12, and then sent to the cutter 13 where it is cut and released onto the field below. It has become.

The remaining threshing in the handling chamber 1 is transferred to the dust removal processing chamber 19, and part of the threshing is taken into the second processing chamber 2 in the middle thereof. The threshing taken into the second processing chamber 2 is threshed as described above and falls on the lower swing sorting shelf 20.

In the dust disposal chamber 19, since the mesh of the dust disposal network is rough, some short sawdust falls on the swing sorting shelf 20, and long sawdust that has not fallen falls into the dust disposal chamber 2. And is forcibly discharged from the discharge port onto the Strollac 30 by the blade 3b at the end of the dust removal processing cylinder 3. While the workpiece is thus transported in the dust processing chamber 19, the dust processing cylinder 18, the dust processing teeth 18a provided with the dust processing cylinder 18, and the dust processing net. In addition to the threshing, the threshing is dissolved and the so-called scorpion grains mixed in are taken out and fall on the lower swing sorting shelf 20, and the second spiral In this configuration, the product is collected into 27.

As described above, the remaining threshing that does not fall on the swing sorting shelf 20 due to cerealing in the processing chamber 1 and is not taken into the second processing chamber 2 is transported to the end of the processing chamber 1. It will be done. The threshing that has been transported to the end portion of the handling chamber 1 is taken into the dust removal processing chamber 19 and the taken threshing is transported to the lower side in the sorting wind feed direction. Of the threshing that has been transported to the end of the handling chamber 1, the threshing that has not been taken into the dust disposal chamber 19 falls on the swing sorting shelf 20 below.

In order to prevent clogging of the cereal when the cereal is sent from the terminal end in the handling chamber 1 into the dust disposal chamber 4, the dust disposal cylinder is also provided at the takeover portion from the handling chamber 1 to the dust disposal chamber 19. Spiral-shaped dust removal processing teeth 18a are provided on the outer periphery of 18, so that the grain removal is not clogged in the takeover portion by the feeding action of the dust removal processing teeth 18a.

In spite of the swinging action of the swinging sorting rack 20 and the action of the sorting wind from the tang 23, the remaining grains that are not taken into the spiral 26 are sent further back together with other dusts. The second spiral 27 is taken in. The second product taken into the second spiral 27 is returned to the lower side of the second processing chamber 2 in the sorting wind feed direction by the second lifting cylinder 28 and merged with the cereal from the processing chamber 1. Then, while being transported to the upper side of the sorting wind feed direction, it is transported while being threshed by the interaction with the second processing cylinder receiving rod 21, and is placed on the lower swing sorting shelf 20 by the blade 3b at the end portion. It is the composition that falls forcibly.

It is a plane sectional view showing the threshing part of a combine. It is AA sectional drawing of FIG. It is a front sectional view which shows the threshing part of a combine. It is a back sectional view showing a threshing part of a combine. It is an enlarged front view of the principal part. It is an enlarged front view of the principal part which shows another Example. It is an expanded rear view of the principal part which shows another Example.

DESCRIPTION OF SYMBOLS 1 Handling chamber 2 Second processing chamber 3 Second processing cylinder 4 Stirring conveyance body 5 Transfer resistance plate 6 Tip resistance surface (resistance surface)
7 Base resistance surface
15 barrel
18 dust exhaust treatment cylinder
19 Dust disposal chamber
No. 28 cereal milling cylinder
40 Maintenance window θ Receding angle A Transfer direction

Claims (3)

Dust removal treatment with a dust removal treatment cylinder (18) that receives and treats an object to be processed from the rear of the treatment chamber (1) on one side of the treatment chamber (1) with the treatment cylinder (15) pivoted. A second chamber provided with a chamber (19), and a second processing cylinder (3) for processing a second thing discharged from the second lifting cylinder (28) in front of the dust removal processing cylinder (18). in the processing chamber (2) is provided with threshing machine, the transfer of the double-dip process cylinder (3) d number of the double-dip process chamber (2) while approaching the stirring conveying member provided upright (4) on the outer periphery of provided direction (a) a plurality of transfer resistance plate forming the resistance surface (6) having a receding angle (theta) with respect to the (5) on the inner wall of the double-dip process chamber (2), each of said transfer resistance plate (5 ) characterized by providing that open maintenance window at a position above the respective transfer resistance plate (5) (40) with is inclined downward toward the upper end edge inward below the threshing machine Grain machine. On each of the transfer resistance plates (5), a base resistance surface (7) composed of a surface perpendicular to the second processing cylinder (3), and a transfer direction of the second object in the second processing chamber (2) (A threshing machine according to claim 1, characterized by forming a resistor surface of the tip (6) having a receding angle (theta) with respect to). The receding angle (θ) of the plate of each transfer resistance plate (5) gradually increases toward the lower side in the transfer direction in the transfer direction (A) of the second object in the second processing chamber (2). 1 Symbol placement of threshing machine according to claim, characterized in that to each curved.

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