JPS602116A - Threshing apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a threshing device in which the threshing material falling from the receiving net and dust outlet of the handling room is sorted by a swinging sorting shelf disposed below the handling room. This is related to the improvement of.

An object of the present invention is to use the above-mentioned threshing device to remove the threshed material that falls from the dust outlet of the handling room onto the shelf surface of the swinging sorting shelf in a lumped state with long pieces of straw. Before falling onto the sorting shelf surface of the dynamic sorting shelf, it is loosened and separated into straw pieces and grains, and the straw pieces and grains are separated from different parts on the sorting shelf surface of the swinging sorting shelf. The objective is to improve the sorting performance of the threshed products by the swinging sorting shelf by allowing the grains to fall on the floor and sorting through different sorting routes.

In order to achieve this object, the threshing device according to the present invention has a sorting shelf located below the dust outlet of the handling chamber of the swinging sorting shelf provided below the handling chamber, which is configured as a chaff sheave, and the chaff sheave A plane line is installed at an intermediate position between the dust outlet and the dust exhaust port, the proximal end of which is supported by the swinging sorting shelf, and the distal end of which extends in the delivery direction of the swinging sorting shelf. .

Next, embodiments will be described in detail with reference to the drawings.

In Fig. 1, (1) is a handling room, which is formed into a cylindrical shape and is located on the upper half side of the front end side (the left end side in the figure) of the machine body a to the threshing device, and whose axial direction is along the front-rear direction of the machine body a. Inside, a handling barrel (10) with its axial direction along the front-rear direction is pivotally supported, and a culm insertion port aυ is opened in the front side root tightening, and the rear side root tightening is The discharge culm opening (12 is open), and the foot chain (1,
4) opens a dust outlet Q5) for discharging the straw debris in the threshed material that has been removed by the handling cylinder σ0 from the tip of the culm inserted into the handling chamber (11).

(2) is installed at the bottom of the inner cavity of the machine a to screen the threshed material that is handled from the grain culm in the handling room (1) and falls from the receiving net (I3) and the dust exhaust port α9. The starting end side is located below the above-mentioned handling room (1) and the air outlet (2
Karachi blower (0a) has an opening facing rearward and upward (
20) is connected to the air outlet (20a), and the terminal side is a dust exhaust chamber (
3), and the first receiving gutter (22) is connected to the floorboard (2]) of it.
) and the second gutter (231 is installed).

(4) is the old receiving screen and dust exhaust port (15) of the handling room (1) mentioned above.
The processing chamber (1, 1) is arranged below the handling chamber (1, 1) and across the sorting air path (2) so that the threshed material falling from the room is sent to the sorting air path (2) while being shaken and sorted. In the swinging sorting rack, the threshed material is placed behind the machine a on a swinging shelf frame mounted on the machine a so as to swing back and forth and swinging back and forth using the swing i mechanism. It is constructed by installing a sorting shelf that sorts the material while sending it out, and the part located above the above-mentioned Karakin blower (20), which is the starting end in the sending direction, collects leakage from the receiving net a3). A corrugated plate-shaped transfer shelf (41) without sieving holes for sending out the liquid to the rear is installed approximately horizontally, and a perforated sorting plate (4 pieces) is installed at the rear end of the transfer shelf (4I).
It extends rearward from the transfer shelf (41) approximately horizontally and connects so that its rear end faces the lower front edge of the dust outlet a9 of the handling chamber (1), and roughly connects its sorting plate (four rear ends In this method, connect a surface wire (431) in which many elastic wire rods such as steel wires are arranged in parallel to the base end thereof or to the sorting plate (421) so that the tip side (free end side) faces backward and is approximately horizontal. The surface line (4□□□ is the dust discharged from the dust outlet 0ω of the above-mentioned handling room (1) (thrested material containing many pieces of straw). It is positioned below the dust exhaust port (I5) so as to receive the dust.
5) The sorting shelf installed in the lower part is configured as a chaff sieve (44), and the above-mentioned surface line 149 is located above the front half of the chaff sieve (44).

Further, on the swinging shelf frame of the swinging sorting shelf (4), a grain sieve (4) is arranged below the chaff sieve (44).
Above the front end side of the sorting plate (4I), which is connected to the rear end of the transfer shelf (4I) and mounted on the swinging shelf frame (401), The rear end edge of the grain sieve (46) is facing.The starting end (45a), which is the front end of the grain sieve (four grains), is facing the grain sieve (46).
As a result, the grain sieve (45) directs the sorting air blown from the air outlet (20a) of the Karachi blower (2o) in the direction indicated by the arrow in Fig. 1. - As shown in the figure, it serves as a wind divider to separate the sorting wind that blows vertically through the chaff sieve (44) and the sorting wind that blows vertically through the grain sieves (4).

In addition, the swinging shelf frame (40 includes the chaff sheave (44)
And at the rear of the terminal end side, which is the rear end side of the grain sheave (45), a fixed piece is formed so as to slope downward from the rear to the front toward the most inlet gutter on the floor plate (2I) of the sorting air passage (2). An inclined flow grain board (47) that substantially follows the shelf surface of the flow grain board (21a) is installed at a portion corresponding to the upward imaginary extension of the flow grain board (21a). The lower end of the plate (47) faces the upper surface of the upper end of the shelf surface of the fixed cereal grain board (21a).
) The sorting wind blowing up along the shelf surface of the fixed flow grain board (ZXa) formed on the floor board (2I) of the ), the ends of the grain sieve (45) and chaff sieve (44) blow upward, and the straw waste is discharged from the end of the chaff sieve (44) as shown in Figure 3. As shown by the chain arrow 2, after the air is blown upwards, the stroke installed above the No. 2 receiving gutter (23) and installed at the end of the swinging shelf frame (40) - Rack (48
) so that it falls onto the top surface.

In this case, the inclined flow grain plate (47) is provided with a guide portion (47b) that bends upward at the upper end, as shown in FIG. (21a), the lower end (47a) is bent toward the shelf surface of the fixed grain board (21a) as shown in FIG. Which bending lower end (4
7a), it is effective to ensure that the grain is guided upward as shown by the arrow in FIG. 5. Furthermore, as shown in FIG.
In some cases, a guide step W is formed to guide the sorting air upward to ensure that it is guided.

In addition, there is a means for guiding this sorting wind by an inclined flow grain plate (47) to improve the effect of sorting straw waste discharged from the terminal end of the chaff sieve (44), and the above-mentioned grain sieve (
By facing the front end (45a) of 45I into the air outlet (20a) of the Karachi blower (20), the grain sieve (4
The means for allowing the dust to play the role of wind splitting function even when there is no node line (d) as described above.In addition, in the illustrated embodiment, 00 is the part of the dust evacuation chamber (3).
Dust exhaust fan consisting of a cross-flow fan installed inside (31)
is the dust exhaust port of the dust exhaust chamber (3), (5) is the straw removal chain, (6
) is a straw cutter.

Next, to explain the function and effect, the threshing device according to the present invention configured as described above has a dust outlet aω of the handling chamber (1).
The nodal line (43) where the waste containing a large amount of straw pieces discharged from is located below and swings together with the swinging sorting shelf (4).
The straw particles fall onto the upper surface of the chaff sieve (4IO), are loosened by the elastic oscillation of this node line (43), and are thrown out backwards, falling onto the upper surface of the rear half of the chaff sieve (4IO), where the grains and straw particles are thrown out. The particles fall onto the upper surface of the front half of the chaff sieve (44) below the node line (4), and are respectively sorted by the chaff sieve (44).

Therefore, the dust discharged from the dust outlet Q5) of the handling room (1) is loosened before falling onto the sorting shelf, and the straw pieces are separated from the grains and straw waste. The chaff sieve (44), which is a sorting shelf, falls on different parts of the upper surface of the chaff sieve (44), and is sorted through different sorting routes, which improves the sorting performance of the swinging sorting shelf for threshed products. make it good

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional side view of a threshing device that can carry out the present invention, and FIG.
The figure is a cross-sectional plan view of the main part of the same device, FIG. 3 is an explanatory diagram of the operation of the same device, and FIG. 4 is a longitudinal cross-sectional side view of a part of the same device.
FIG. 5 is a longitudinal sectional side view of a modification of the same portion, and FIG. 6 is a longitudinal sectional side view of yet another modification. Explanation of drawing symbols A... Threshing device a... Machine body 1... Handling room 10... Handling barrel 11... Culm insertion port 12... Culm discharge port 13... Receiving net 14...・Feet chain 15...Dust exhaust port 2...Selecting air passage 20...Karakin blower 20a...
・Air outlet 21...Floor plate 21a...Fixed grain board 22...First receiving gutter Otsu...Second receiving gutter 3...Dust removal chamber 30...Dust removal fan 31...・Dust exhaust port 4... Swinging sorting shelf 40... Swinging shelf frame 41... Transfer shelf 42... Sorting plate 43...
Surface line 44...chaff sieve 45...grain sieve 45a
... Starting end portion 46 ... Flow grain plate 47 ... Inclined flow grain board 48 ... Stroke rack 47a ... Lower end portion 4
7b... Guide part 5... Straw removal chino 6... Straw removal cutter W... Guide step part

Claims (1)

[Claims] The sorting shelf located below the dust exhaust port of the handling room of the swinging sorting shelf provided below the handling room is configured as a chaff sieve, and the proximal end is placed at an intermediate position above the chaff sieve and the dust exhaust port. A threshing device characterized in that a cotton wire is supported by a sorting rack and has a tip side extending in the sending direction of the swinging sorting rack.