JPS592632A - Sorting apparatus in combine - 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 an improvement in a sorting device for a combine harvester or the like, and particularly relates to a sorting device for a combine harvester or the like in which the installation position of a wind-powered sorting fan is improved.

In combine harvesters, etc., lowering the height of the machine is
■It is possible to stabilize and improve driving performance, ■The threshing supply port can be lowered to improve work efficiency, and the transport distance of the harvested culm can be shortened, ■It is possible to achieve smaller size and lighter weight, etc. Therefore, it is a matter of improvement.

Therefore, the present invention provides a sorting device for a combine harvester, etc., which enables the above-mentioned improvement by lowering the height of the machine, and also uses both the suction side and the discharge side of one fan for sorting work, and achieves high efficiency. This is what I am trying to do.

For this purpose, the present invention disposes a wind selection fan at an intermediate position between the first auger and the second auger, makes this fan a cross-flow fan, and has its suction port placed on the first and second auger sides. It is characterized by having an opening and a discharge port opening toward the second auger side.

The invention will now be described with reference to illustrated embodiments.

In Fig. 1, reference numeral 1 denotes a chassis having crawler-type running wheels 2. At the front of this chassis 1, a weeding body 3 for weeding the crops to be harvested planted in the field, A reaping machine 116 consisting of a pulling body 4, a cutting blade 5 for reaping the base of the crop, etc. is attached. At the rear of the reaping mechanism 6,
Threshing, which will be described later, by inheriting the crops harvested by the reaping mechanism 6;
A transport mechanism 7 for clamping and transporting the material toward the sorting section 8 is arranged in stages IJ.

The threshing and sorting section 8 is provided with a handling chamber 9 in the upper part, and within this handling chamber 9, a handling cylinder 10 is mounted on a shaft almost horizontally with the @ line arranged in the running direction of the chassis 1. A receiving net 11 is stretched below. On one side along the axis of the handling chamber 9, the stock side of the culm conveyed by the conveyance mechanism 7 is inherited and held, and the tip side is supplied to the handling chamber 9, and the tip side is fed from one end of the handling chamber to the other side. A foot chain 12 is provided for moving the grain to the end and threshing it with a handling cylinder 10.

A sorting room 13 is installed below and behind the handling room 9, and inside this sorting room 13, as shown in detail in FIG.
A screw auger 14 for sorting is disposed over the entire length in the front-rear direction from below the receiving net 11 to the rear end of the sorting chamber 13. In the lower gutter part of the auger 14,
A sorting part receiving net 15 is disposed, and the first half of the receiving net 15 has a fine mesh, the rear half has a rough mesh, and the terminal end of the mesh is open. screw auger 1
A belt conveyor 16 is provided below the sorting section receiving net 15 corresponding to the first half of No. 4, and conveys the materials from the left side in the drawing.Below the conveyance end of this conveyor 16, No. A second auger 1B is provided below the rear half of the screening receiving net 15. Transport II of the second auger 18? A two-speed former thrower 19 is installed at the end, and a handling room 9
It is connected to the rear end of the. A suction fan 2o and a dust exhaust port 21 are provided above the rear half of the screw auger 14. Note that the conventional well-known blessing fan and suction dust exhaust fan are omitted in the sorting chamber 13.

Between the first auger 17 and the second auger 18,
A wind power sorting fan 22 according to the present invention is provided.

This fan 22 is of a cross-flow type, and its inlet 22
a to the 1N lower auger 11 side, and the discharge port 22b to 27
#It opens on the lower auger 18 side, and the rear end of the grain plate 23 of the second auger 18 is opened toward the rear of the machine as a dust exhaust port 24.

In the combine harvester configured in this way, as the machine moves forward, the culms of the crops planted in the field are divided by the weed cutting unit 3, and raked in by the raising and resting unit 4, The cutting blade 5 cuts off the base of the stock. Then, the cut culms are held and conveyed by the conveyance mechanism 7 and transferred to the foot chain 12. The foot chain 12 clamps the base of the grain culm and moves the grain tip part facing into the handling chamber 9, and during this movement, the grain culm ridge is threshed by the handling cylinder 10. The large half of the threshed grain in the handling chamber 9 leaks through the receiving net 11 and falls onto the front half of the screw auger 14, and the chaff remaining in the handling chamber 9 flows through the terminal opening of the receiving net 11. Among them, grains with high specific gravity such as grains with ears fall onto the screw auger 14 and are sorted during the transportation process.
Short culms with light specific gravity, dust, etc. are sucked by the suction fan 20 and discharged from the dust outlet 21 to the outside of the machine.

Among the materials to be sorted that have leaked through the receiving net 11, the single grains have leaked through the front half of the sorting receiving net 15 and are transferred to the belt conveyor 1.
Fallen on 6 and its conveyance #! No. 1 auger 1 sequentially from the end
Fall to 7. In addition, the objects to be sorted that remain without leaking through the front half of the sorting net 15 and the objects to be sorted that are discharged from the rear end of the handling chamber 9 are moved between the screen and the sorting net 15 by the rotation and transfer of the screw auger 14. The pellets are shed and sorted, and the particles that leak through the rear half of the sorting receiving net 15 are brought to the second auger 18 and returned to the handling room 9 via the two-speed main stream 19. After being re-threshed, the husks and the like remaining on the sorting receiving net 15 are discharged from the end of the husk to the outside of the machine.

1 leaking the first half of the receiving net 11 and the sorting receiving net 15
Fine shell culms, dust, etc. contained in the products are removed while falling to the belt conveyor 16 and from the belt conveyor 16 to 11j.
While falling to the logger 1γ, it is sucked in by the suction force of the wind sorting fan 22, passes through the fan 22 from the suction port 22a, and is discharged backward through the discharge port 22b.

Pressure air (including dust, etc. in the 1M objects) from the outlet 221 of the fan 22 acts on the second object that leaks through the rear flat part of the sorting net 15 and falls into the 210 auger 18. Then, short culms, stems, leaves, dust, etc., which have a light specific gravity, are blown away and discharged from the dust outlet 24 to the outside of the machine.

Even if some of the 1M grains are sucked into the fan 22, they are returned to the second port by the flow board 23, so no loss occurs.

In the above embodiment, the present invention was applied to a canopy type combine harvester, but it is of course applicable to ordinary combine harvesters, harvesters, stationary threshing equipment, etc., and is not limited to screw type sorting equipment. Needless to say, the present invention can also be applied to the oscillating sorting device.

As explained above, according to the sorting device for a combine harvester, etc. of the present invention, the civilian power sorting fan is disposed between the first auger and the second auger. The space can be used effectively, and the height of the sorting section can be lowered compared to the conventional one in which a fan is installed at the lower front end of the sorting section, improving the running performance of the machine and making it possible to lower the foot chain. This allows the conveyance mechanism to be shortened. In addition, both the suction side and the discharge side of one fan can be used for the sorting action, which has the effect of improving the sorting performance and simplifying and reducing the weight of the mechanism.

[Brief explanation of drawings]

FIG. 1 is a schematic side view of an embodiment of the present invention, and FIG. 2 is a schematic side view of the main parts. 1... Chassis, 2... Running wheels, 3... Division, 4...
... Pulling body, 5 ... Cutting blade, 6 ... Reaping mechanism, 7.
・・Transport m side, 8・Thresching and sorting department, 9・Handling room,
DESCRIPTION OF SYMBOLS 10... Handling cylinder, 11... Receiving net, 12... Foot chain, 13... Sorting room, 14... Screw orker for sorting, 15... Sorting section receiving net, 16... Belt conveyor, 17... No. 1 auger, 18... No. 2 auger, 19... 2-speed former thrower, 20... Suction fan, 21... Dust exhaust port, 22... Wind sorting fan,
22a... Suction port, 22b... Discharge port, 23...
Flowing grain board, 24...dust exhaust port. Figure 1 Figure 2

Claims (1)

[Claims] (1) In a combine harvester, etc., which has a handling room for threshing the supplied grain to be threshed and a sorting device for sorting the material to be sorted that leaks from this handling room, the first A sorting device for a combine harvester, etc., characterized in that a wind sorting fan is disposed at an intermediate position between an auger and a second auger. (2> 1!1 The force sorting fan is a cross-flow fan,
2. The sorting device for a combine harvester or the like according to claim 1, wherein the suction port is opened to the 111th auger side, and the discharge port is opened to the 2nd auger side.