JPH11164617A - Swing shelf sorting device in thresher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject device reduced in the cost for mounting a sorting sieve plate of a sorting shelf for separating grains and waste straw. SOLUTION: This swing shelf sorting device in a thresher is provided with sieve fixtures 58 each made of e.g. elastic member and provided with an inserting groove 59 in a turnably controllable way to the left side plate 52a and right side plate 52b of a sorting shelf 3, and the groove 59 of each of the fixtures 58, a sorting sieve plate 54 is inserted so as to enable its angle of inclination to be regulatable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a shelving fixture provided with rotatable insertion grooves on the left side plate and the right side plate of a sorting shelf. The present invention relates to an oscillating shelf sorting apparatus in which a sorting sheave plate is inserted and attached, and an inclination angle is adjustable.

[0002]

2. Description of the Related Art Threshing grains, straw chips, and the like are supplied onto a plurality of sorting sheave plates provided at predetermined intervals between a left side plate and a right side plate of a oscillating rotating selection shelf. During the transfer on the respective sieve plates, the particles are sorted into grains and straw waste, and the grains leak between the respective sieves, and are further separated into grains and dust, for example. The straw waste is transferred on the respective sieve plates for sorting and discharged out of the machine.

At the upper and lower ends of the respective sheave plates, auxiliary plates are provided to form insertion holes, and U-shaped support pins are inserted into the insertion holes formed by the auxiliary plates. It is a configuration that rotates as a fulcrum, and a configuration that a retaining plate for retaining this support pin is provided on the left side plate and the right side plate. The mounting inclination angle of each sorting sheave plate is adjusted according to the amount of straw waste mixed into the grain.

[0004]

An insertion hole is formed in the sorting sheave plate of the sorting shelf with an auxiliary plate, mounted with a support pin, and the support pin is further prevented from falling out by a retaining plate. However, the present invention intends to eliminate the cost.

[0005]

In order to achieve this, the present invention provides a plurality of elastic plates at predetermined intervals on a left side plate 52a and a right side plate 52b of a sorting shelf 3 for sorting by receiving a supply of grains and straw chips. Sheave attachment 58 made of a material or the like and provided with an insertion groove 59
Are provided so as to be freely rotatable, and the insertion grooves 5 on both the left and right sides are provided.
The rocking shelf sorting device of the threshing machine is characterized in that a sorting sheave plate 54 is inserted into 9, 59 so that the tilt angle can be adjusted.

[0006]

The thresh-processed grains, straw chips, etc. are inserted into each of the sheave fittings 58 provided at predetermined intervals on the left side plate 52a and the right side plate 52b of the sorting shelf 3 which rotates and rotates. It is supplied onto each sorting sheave plate 54 provided by being inserted into the groove 59, and is sorted into grains and straw chips while being transferred on each sorting sheave plate 54, and the grains are separated into the respective sorting sheave plates 54. It leaks between 54 and is further, for example, wind-sorted into grains and dust. The straw waste is transferred on each of the sorting sheave plates 54 and discharged outside the machine.

Each of the sheave plates 54 for selection is inserted into each of the insertion grooves 59, 59 of each of the sheave attachments 58 made of an elastic material or the like, and each of the sheave attachments 58 is configured to be rotatable. Depending on the amount of straw waste supplied and the amount of straw waste mixed into the sorted grains, the mounting inclination angle of each of the sieve plates 54 for sorting is set to the right and left of each of the sheave fixtures 5.
Adjust via 8,58.

[0008]

According to the present invention, each of the sheave plates 54 for selection can be simply attached by simply inserting them into the respective insertion grooves 59 of the respective sheave attachments 58. Each of the sheave attachments 58 is made of an elastic material or the like. Therefore, it is light and lightweight, and it is also possible to absorb vibration, so that the cost can be significantly reduced.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. A sorting shelf 3 which is a swinging shelf sorting device provided in a threshing machine 2 mounted on a combine 1 will be illustrated and described. A traveling device 6 having a pair of left and right traveling crawlers 5 running on the soil surface is disposed below the chassis 4 of the combine 1. The traveling device 6 is sandwiched by a feed chain 7 and transported above the chassis 4. A threshing machine 2 provided with a grain storage tank 8 for threshing the harvested culm and selectively collecting the threshed grains for temporary storage.

At the front of the threshing machine 2, a weeding body 9 for weeding the trichomes from the front end position, a raising device 10 for raising the weeded culms, and a raised culm 10 A cutting blade device 11 for cutting and conveying the cut stalks rearward,
The reaper 13 provided with the grain stalk raking and conveying device 12 and the like to be delivered to the feed chain 7 is moved by the hydraulically driven telescopic cylinder 1
By means of 4, it is configured to be able to move up and down on the soil surface.

On one side of the threshing machine 2, an operating device 15 for controlling the operation of the combine 1 and a cockpit 16 on which an operator rides are provided, and an engine 17 is mounted below the cockpit 16. At the same time, a grain storage tank 8 is installed at the rear. These traveling device 6, threshing machine 2, reaper 13,
The body 18 of the combine 1 is constituted by the engine 17 and the like.

In the cereal culm conveying path formed by the cereal stalk raking and conveying device 12 of the reaper 13, the culm is fed to the threshing machine 2 by contacting the culm to be cut and conveyed. And a grain stalk sensor 19 for detecting
Transmission mission case 2 mounted on the front end of chassis 4
A vehicle speed sensor 21 for detecting the traveling vehicle speed based on the output rotation speed is provided in the transmission path of 0.

The threshing machine 2 is shown in FIGS. 1 to 5 and FIGS.
As shown in FIG. 13, the threshing chamber 22 and the dust treatment chamber 2
Third and second processing chambers 24 are provided, and sorting chambers 25 are arranged at the bottom. In the threshing room 22, a large number of various handling teeth 26a are planted, and a handling cylinder 26 for threshing the grain stalks.
Are mounted on the front machine wall 27a and the middle machine wall 27b in the front-rear direction by a handle cylinder shaft 28.

In a second processing chamber 24 located in front of the threshing chamber 22 parallel to the right side of the threshing chamber 22, the unthreshed processed material (secondary material) to be reduced is transported forward while being processed. do it,
The second processing cylinder 29 in which a large number of processing teeth 29a to be leaked to the sorting chamber 25 are planted, and the dust processing chamber 23 located on the rear side.
Inside, a dust processing cylinder 30 in which a number of various processing teeth 30a for reprocessing a part of the unthreshing processing material supplied from the threshing chamber 22 are connected to a coaxial processing cylinder shaft 31. Then, it is configured to extend rearward from the threshing room 22 and to be internally mounted on the shaft by the processing cylinder shaft 31.

In the second processing chamber 24, there is provided a grain sensor 24a for detecting a grain mixed in the unthreshed processed material (secondary material) fed back. Reference numeral 24a denotes an ON-OFF switch type that is turned ON when a grain hits, and is configured to detect the amount of grain mixed in the second product based on the number of ONs within a predetermined time. A feed chain 7 for nipping and transporting the grain stalk and a holding rod 32 for nipping the grain stalk are disposed along the handle 22a on the left side in plan view of the threshing room 22 and a feed cylinder 26.
, A handling net 34 surrounding the lower part of the outer peripheral edge of the handling teeth 26a to the handling cylinder cover 33, a handling cylinder processing receiving plate 34b formed in a lattice shape on the transfer terminal end side, and processing teeth of the second processing cylinder 29. 2
9a, a processing net 35a that surrounds the lower part of each outer peripheral edge of the processing teeth 30a of the dust processing cylinder 30 with a step, and a dust processing receiving plate 35b are provided. Dust receiving plate 35
b has a configuration in which a plurality of dust guide rods 35c for guiding a falling object are provided from the middle part in the transport direction to the rear side while being formed in a lattice shape. At the transfer end portion of the dust processing chamber 23, the waste such as straw chips and culm cuts processed in the dust processing chamber 23 are discharged to the horizontal body as shown in FIG. Discharge port 36 is provided.

In the sorting room 25, threshing is performed in the threshing room 22, threshed from the handling net 34 and the handling room processing receiving plate 34 b, and threshing is performed in the second processing room 24 and the dust processing room 23. A vertically long sorter that sorts while transferring the processed materials that have been processed and leaked from the processing nets 35a and the dust receiving plate 35b and the dust discharged from the outlet 36 of the dust processing chamber 23. The sorting shelf 3 driven by the shelf driving device 37 is arranged along the axial direction of the handling cylinder 26, with the front part facing upward, the eccentric drive shaft 38 provided on the front side part, and the rear part extending rearward. And a receiving cam 39 provided at the rear end thereof to reciprocate.

The starting end of the sorting shelf 3 in the transfer direction (upper side)
In the lower part, a plurality of blowing blades 4 provided inside the blowing drum 40 are provided.
A blower 42 is provided to blow the selection wind and blow it to the selection air passage 41 by rotating the unit 2a.
The sorting shelf drive device 37 is provided with an eccentric drive shaft 3 that is driven to rotate.
8 is provided with a support metal 44 in which a bearing 44a for supporting the eccentric portion 43 substantially at the center in the left-right direction is fitted, and the eccentric portion 43 is supported by the bearing 44a. The support metal 44 is provided with a front receiving portion 45 protruding to the front portion connected thereto, and an insertion hole 45a is provided at a central portion of the front receiving portion 45.

On the left and right sides of the front receiving portion 45 of the support metal 44, sorting arms 46, 46 are provided.
Insertion holes 46a, 4 provided substantially at the center in the vertical direction of
6a and an insertion hole 45 of the front receiving portion 45 of the support metal 44.
a, a support shaft 47 is inserted and the sorting arms 46, 46 are supported by the support shaft 47.
It has a configuration with retaining.

The support pins 4 are inserted into the insertion holes 48a, 48a of the upper end 48 of the selection arms 46, 46 and the insertion holes 49a of the selection shelf receiving metal 49 provided on the front plate 3a of the selection shelf 3.
9b, and is supported on the left and right sides of the sorting shelf receiving metal 49. The insertion holes 50a, 50a of the lower end 50 and the insertion hole 51a of the threshing receiving metal 51 provided in the front wall 27a of the threshing machine 2 are also provided. In this case, the support pins 51b are inserted and supported on the left and right sides of the threshing receiving metal 51.
The b and 51b are configured to have a retaining structure.

At the end of the sorting shelf 3 in the transfer direction, on the left and right sides of the lower surface of a second sorting shelf 70, which will be described later, a support rod 39 is provided to project from the second sorting shelf 70 in the left-right direction.
a, 39a rotatably support the receiving cams 39, 39. The receiving cams 39, 39 on the left and right sides are inside sliding plates 39b, 39b provided on the left and right machine walls 27c, 27d of the threshing machine 2. Is reciprocally slid back and forth. The rotation of the eccentric drive shaft 38 causes the selection shelf 3 to reciprocate in the front-rear direction (upper side and lower side) via the support metal 44 and the selection arms 46, 46 and the like. The eccentric drive shaft 38 uses the feed chain 7 as a drive source (not shown).

The sorting shelf 3 is provided on the left machine wall 27c of the threshing machine 2.
Between the left side plate 52a and the right side plate 52b on the left and right sides of the sorting shelf 3 and the thresh and processed products in the upper region of the blower 42 in the transfer direction end portion (lower side). And a rack-shaped transfer shelf 53 for transferring toward the end in the transfer direction (lower side).
Subsequently, the threshing material toward the lower side, and the opening / closing operation of each sorting sheave plate 54 provided at predetermined intervals in the shape of a shutter with the amount of leakage of the processed material, the gap can be adjusted, and the inclination angle can be adjusted. The chaff sheave 67 does not leak from the handling net 34, the processing net 35a, and the dust receiving plate 35b together with the contaminants that did not leak from the chaff sheave 67 toward the lower side from the rear end of the chaff sheave 67. In the dust treatment chamber 23
Of sawdust and culm discharged from the outlet 36 of the above, and furthermore, some of the grains mixed into the straw and culm, etc. The straw racks 55 and the straw racks 55 are respectively arranged in the upper stage, and a mesh-like grain sieve 56 for middle-sorting the coarsely-selected products leaked from the chaff sheave 67 is arranged in the lower stage.

The left side plate 52a and the right side plate 52b of the sorting shelf 3 are provided with elastic materials at predetermined intervals as shown in FIGS.
For example, a sheave attachment 5 made of a resin material, a rubber material, or the like.
8 are inserted into the respective round holes 65 of the left and right plates 52a and 52b, and the upper receiving shaft portion 58a is inserted into the upper receiving shaft portion 58a. Has been stopped. Also, the lower receiving shaft portion 58b provided on the lower side of the sheave attachment 58 is connected to the left and right plates 52a, 52b.
Are inserted into the respective long holes 66.

As shown in FIG. 1, the sheave mounting member 58 is provided with an insertion groove 59 having a narrow upper part and a lower part and a wide intermediate part in the vertical direction of the inner part. As shown in FIG. 2, the insertion grooves 59, 59 of the attachments 58, 58 are provided with a bent portion 54a on one side and a sorting sheave plate 54 having a step portion 54b provided at an intermediate portion. I have.

As shown in FIG. 14, the bent portion 54a of the sorting sheave plate 54 of the chief sheave 67 is inserted into the insertion groove 59 of the sheave fixture 58 of the chief sheave 67, and the bent portion 54a is inserted into the lower portion. A predetermined number of the sheave plates 54 for sorting, in which the curved portions 54a are located, are provided on the end side in the transfer direction. Thereby, it is possible to prevent the leakage of straw chips and culm cuts at the transfer terminal end side, and it is possible to improve the sorting performance.

As shown in FIGS. 15 and 16, the upper side 80a of the sorting sheave plate 80 is formed in an inclined state, and when it is inserted into the sheave fitting 58, it is deformed to a vertical state. Is configured to prevent dropout.
When the upper side 79a of the sorting sheave plate 79 is formed in a circular shape and inserted into the sheave fixture 58, the upper side 79a
The portion is resiliently configured to prevent the separation sheave plate 79 from coming off.

As a result, the upper sheaves 79a and 80a of the sheave plates 79 and 80 are resilient, thereby preventing the sheave plates 79 and 80 from falling off. The straw rack 55 is located at the end of the sorting shelf 3 in the transfer direction.
It is configured to be provided at predetermined intervals in the left-right direction toward the front-back direction of the transfer direction. The mechanism for opening and closing the sorting sheave plate 54 of the chaff sheave 67 is, as shown in FIG.
A connection provided at both ends of each lower receiving shaft portion 58b of each sheave attachment 58 into which a large number of armor-shaped screening sheave plates 54 provided between the left side plate 52a and the right side plate 52b on both left and right sides are inserted. The lower receiving shaft portions 58b are pivotally guided by the plates 60 around the respective upper holes 66 around the respective upper receiving shaft portions 58a as a fulcrum to adjust the clearance between the respective sheave plates 54 for sorting and to incline. The angle is adjusted to adjust the amount of leakage.

An opening / closing arm 61 is fixed to one end of upper and lower shaft receiving portions 58a and 58b of the sheave mounting member 58 at the front end of the chaff sheave 67.
The drive pin 61a at one lower end and the operating arm 62a of the actuator 62 (blade motor) for opening and closing the sorting sheave plate 54 of the chaff sheave 67 are connected by a wire 63. A stopper 64a for stopping the opening / closing arm 61 when the sorting sheave plate 54 is closed, and an opening stopper 64 for stopping the opening / closing arm 61 when opened.
b is fixed to the left side plate 52a on one side, and the opening / closing arm 61 has a structure in which a return spring 57 is stretched.

As shown in FIG. 5, the left machine wall 2 of the threshing machine 2 is provided above the left side plate 52a and the right side plate 52b of the sorting shelf 3.
7c, and seals 68a, 68 to contact the right machine wall 27d.
8a is attached and provided with covers 68b and 68b,
The lower end of the cover 68b presses the upper end of each sheave plate 54 to prevent the sheave plate 54 from coming off.

As a result, since the cover 68b serves as a stopper for the respective sheave plates 54, the respective sheave plates 54 do not come off. Below the above-mentioned Glen Sheave 56, the medium-sorted material leaked from this Glen Sheave 56 is provided with a first-sorted material for wind-sorting the first grain by blowing air from the blower 42 on a fixed first-sorting shelf 69. At the same time, a second sorting section is provided for roughly sorting the second product by blowing air from the blower 42 on the fixed second sorting shelf 70, for the coarsely sorted material leaked from the straw rack 55, And a second sorting section, a sorting air passage 41 for blowing air from the blower 42 is formed.

The lower side of the bottom plate of the blower drum 40 is linearly extended to form the lower lip portion 40a of the blower discharge port, and the lower lip portion 40a and the lower lip portion 40a are sorted down from the first sorting shelf 69. The lowermost side of the bottom gutter 72, which contains the first grain and is fed laterally by the first spiral 71, is in contact with the lower side of the first sorting shelf 69. Sorting shelf 6
In the lower part near the upper end of the upper part 9, an unthreshed processed material (secondary material) which is sorted down from the second sorting shelf 70 is stored, and a second spiral 73 is provided.
Thereby, the upper end of the upper side of the second receiving gutter 74 to be fed laterally is located at an appropriate interval, and the lower side thereof is provided with an appropriate interval at the lower side near the lower end of the second sorting shelf 70, It is configured to be located in a double contact state.

The unthreshed processed material (secondary material) laterally transported by the second spiral 73 is taken over and fed to the upper part of the upper second processing chamber 24 to be supplied. The second reduction cylinder 7 having a pumping spiral 75a having a reduction blade (not shown) at its upper end.
5 is obliquely provided on the right wall 27d of the threshing machine 2 in plan view, and the return port 75b of the second reduction cylinder 75 is fed with the second reduced product pumped to the second processing cylinder 29 of the second processing chamber 24. It is configured to open to return to the rear end position.

Above the end of the sorting shelf 3, both the sorting wind of the blower 42 and the dust sorted by the swing sorting of the sorting shelf 3 are discharged by a centrifugal fan or the like that discharges the dust outside the machine. The configuration is such that a fan 76 is provided. At the bottom of the grain storage tank 8, a horizontal transfer spiral (not shown) for horizontally feeding the sorted and stored grains is provided, and a vertical transport spiral for vertically feeding the horizontally fed grains. (Not shown)
Gear case (not shown)
Is fixed to one side of the tank 8.
An excavating support cylinder 77 containing the vertical transfer spiral is rotatably supported in a vertical position and provided at the upper end of the extruding support cylinder 77 as a fulcrum. A discharge auger 78 internally provided with a discharge spiral (not shown) for discharging kernels is arranged in a lateral direction so as to be able to turn up and down and turn left and right.

As shown in FIG. 17, a circular receiving boss 81b having a predetermined length and having an insertion hole 81a is provided at the center of the distal end of the sorting shelf receiving metal 81. A semicircular stopper receiving portion 82 is provided. Receiving boss 81 of the sorting shelf receiving metal 81
b, on the left and right sides, the upper ends 4 of the sorting arms 46, 46
8 and 48, and the insertion holes 48 of the upper end portions 48 and 48 are provided.
a, 48a and an insertion hole 81a of the sorting shelf receiving metal 81, a support pin 49b is inserted.

By providing the stopper receiving portion 82 on the sorting shelf receiving metal 81, the cost can be reduced, and the sorting arms 46, 46 can be reliably stopped.

[Brief description of the drawings]

FIG. 1 is an enlarged front view of a main part and a cross-sectional view taken along line AA.

FIG. 2 is an enlarged side view of a mounting portion of a main part.

FIG. 3 is an enlarged sectional side view of the threshing machine, which can be partially broken.

FIG. 4 is an enlarged side view of a main part that can be partially broken;

FIG. 5 is an enlarged front view of a part of the main part which can be partially broken;

FIG. 6 is an overall side view of the combine.

FIG. 7 is a sectional view taken along line A1-A1 of FIG. 3;

FIG. 8 is a sectional view taken along line BB of FIG. 3;

9 is a sectional view taken along the line CC in FIG. 3;

FIG. 10 is a sectional view taken along the line DD in FIG. 3;

11 is a sectional view taken along line EE of FIG. 3;

FIG. 12 is an enlarged side view of a sorting rack drive unit that can be partially broken;

FIG. 13 is an enlarged plan view of a sorting shelf drive unit that can be partially broken.

FIG. 14 is a view showing another embodiment, and is an enlarged cross-sectional view of a screening sheave plate mounting portion.

FIG. 15 is a view showing another embodiment, and is an enlarged sectional view of a sheave plate for selection and a mounting portion.

FIG. 16 is a view showing another embodiment, and is an enlarged sectional view of a sheave plate for selection and a mounting portion.

FIG. 17 is a view showing another embodiment, and is an enlarged front perspective view of a sorting shelf receiving metal part.

[Explanation of symbols]

 3 Sorting shelf 52a Left side plate 52b Right side plate 54 Sorting sheave plate 58 Sheave fixture 59 Insertion groove

Claims (1)

[Claims] 1. A sheave attachment comprising a plurality of elastic materials or the like at predetermined intervals and provided with insertion grooves 59 on a left side plate 52a and a right side plate 52b of a sorting shelf 3 for sorting by receiving supply of grains and straw chips. A rocking shelf for a threshing machine characterized in that a tool 58 is provided so as to be freely rotatable, and a separating sheave plate 54 is inserted into the insertion grooves 59, 59 on the left and right sides so that the inclination angle can be adjusted. Sorting device.