JPH08224042A - Waste straw carrier in thresher - Google Patents

Abstract

PURPOSE: To surely separate waste straw fed to a carrying end part in a path part inclined to upward from a waste straw chain with a guide body and always guide and drop the straw to a fixed position to give excellent stock uniformity. CONSTITUTION: This waste straw carrier 5 nips waste straw after threshing by a waste straw carrying chain 6 and a nipping rail 7 opposing under the carrying chain and carries the waste straw in a laid attitude. A carrying finish end side of the waste straw carrying chain 6 is bent from about horizontal attitude to an upwardly inclined attitude and a guiding body 9 downwardly separating the waste straw is placed at an upwardly inclined path part in the chain.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste straw conveying device in a threshing machine for carrying out a waste straw after threshing.

[0002]

2. Description of the Related Art Conventionally, even if the conveying end side of an exhaust straw conveying chain is bent in an upwardly inclined posture, the exhaust straw may be carried around upward as it is and the flow is not constant.
There was a problem that the stock of discharged straws in the discharged straw binding device deteriorates.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems of the prior art. To achieve this purpose, the following technical measures were taken.

[0004]

DISCLOSURE OF THE INVENTION According to the present invention, a drainage straw conveyor for holding and transporting a waste straw after threshing in a sideways posture by a discharge straw conveying chain 6 and a sandwiching rail 7 provided opposite to this. In the device 5, the transport end side of the discharge straw conveying chain 6 is bent and formed from a substantially horizontal posture to an upward inclined posture, and a guide for pulling the discharge straw downward from the chain in the upward inclined path portion of the chain. It is characterized in that a body 9 is provided.

[0005]

The threshing-discharging discharged straw is carried out by the discharging straw conveying device, and is scraped and supplied from the conveying end portion to the binding portion of the discharging straw binding device. At the terminating end, the discharged straw is reliably separated from the chain by the guide body and is guided and dropped downward. Therefore, the discharged straws are always guided and dropped at a fixed position, which improves the stock alignment in the discharged straw binding device.

[0006]

In summary, according to the present invention, the discharging end portion of the discharging straw conveying chain is bent from the substantially horizontal posture to the upward inclined posture, and the discharged straw fed to the upward inclined path portion. Since the guide body for separating the lower part from the chain is provided, the guide body effectively acts at the discharge straw conveying end portion to reliably separate the discharge straw from the chain.
It can always be guided and dropped to a fixed position. Therefore, the stock alignment is improved, and the binding performance at the discharge straw binding portion can be further enhanced.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 is a combine, which is a cutting unit 2 in front of the fuselage.
And the thresher 3 is mounted on the rear side. The threshing machine 3 is provided with a threshing feeder 4 on one side of the handling room. Reference numeral 5 denotes a discharge straw transporting device for discharging the discharge straw discharged from the threshing machine 3 to the rear side in a state of falling sideways. The discharge straw transport chain 6 and the holding rail 7 and a chain holding rail 7 opposite to the discharge straw transport chain 6 are provided. The chain guide rail 8 guides the inner surface of the transport path. The discharge straw conveying chain 6 is formed by bending the conveying end side from a substantially horizontal posture 6a to an upward inclined posture 6b (angle α). A guide body 9 for forcibly separating the discharged waste straw downward is provided on the upward slope path portion 6b.

A discharge straw cutter 10 is disposed below the end of the discharge straw conveying device 5, and a binding space for collecting and discharging a predetermined amount of the discharge straw behind the discharge straw conveying device 5. An exhaust straw bundling device 12 having 11 is arranged. 1
Reference numeral 3 denotes an exhausted straw scraping / conveying path to the bundling space 11. The upper side of the scraping / conveying path 13 receives a discharging straw that is guided and dropped downward from the end of the exhaust straw conveying device 5 and scrapes backward. A take-in device 14 is provided.

The mowing section 2 is provided with a lateral turning type raising device 16 for raising a grain culm while moving the raising lug 15 in a laterally protruding posture upward, and a front part of the lateral turning type raising device 16 on one side. A roll-up type raising device 1 which raises a grain culm while arranging the raising lug 17 in a forwardly projecting posture and moving it upward.
8 and a harvesting device for harvesting the harvested grain culm, and a plant base clamping transport device 19 for sandwiching the harvested grain culm plant base and transporting it to the feed chain 4 of the thresher 3 and the tip of the harvested culm It is composed of an ear tip locking transfer device 20 and the like that locks the side part and changes it to a substantially horizontal position by cooperating with the stock holding device 19.

A weeding guide rod for guiding and guiding grain culls forcibly cultivated in the left and right directions to the inside of the already trimmed culm side and the outside of the uncut culm side on both the left and right sides of the shunting type raising device 18. 21a, 21
b is provided. The weeding guide rod 21a is configured to guide the culm to be cut laterally into the raising path of the type raising device 16 and the weeding guide rod 21b pushes and guides the uncut culm outward. However, even if the guide rod 21b interferes with the ridge at the time of cutting the high ridge, the guide rod 21b is configured to be foldable so as to rotate in conformity with the ridge. That is, the guide rod 21b includes the fulcrum shaft 22 on the base side and the elastic body 2 on the tip side.
It is configured so as to be rotatable about the three bent portions as a fulcrum, and to constantly project outward due to the restoring force of the elastic body 23 portion.

The embodiment shown in FIG. 8 and FIG. 9 will be described. At the end of the stock-holding and conveying device 19, a conveying chain 19 is provided.
The feed chain 4 behind the holding rod 19b opposite to a.
The 1st guide spring 24 extended toward the side is provided. A second guide spring 25 is provided on the side of the feed chain 4 at the starting end side thereof. The tip of the first guide spring 24 faces the second guide spring 25 above the intermediate position thereof, and also comes close to a related position with a gap of about 5 mm. Therefore, according to this structure, when a small amount of grain culm is succeedingly conveyed, it is possible to prevent the grain culm from sliding down from the second guide spring 25 on the feed chain side.

In the embodiment shown in FIG. 10, the handling drum cover 27 covering the upper portion of the handling barrel 26 is constructed so as to be capable of swinging and opening / closing about a fulcrum P located on the side opposite to the feed chain 4 side. Together with the handle 28 that opens and closes this cover 27
Is a position in front of the feed chain 4 and is lowered to a position near this transportation route, and also serves as a grain culm guide 28a so as to guide while gently pressing the root portion of the grain culm to be conveyed from above. .

By lowering the handle position from the conventional one, it becomes easy for the elderly and women who are short and tall to open and close the handlebar cover. In addition, by holding down the stock of the grain culm that is being transported, there is no rising of the stock or the posture of the stock, and the transportation posture can be stabilized. In the embodiment shown in FIGS. 11 and 12, a sorting device 29 is built in the inner space of the handling cylinder 26. The sorting device 29 includes a sorting drum 30, a collecting spiral gutter 32 having a collecting spiral 31 installed therein, and a sorting fan 33 for sending sorting air into the sorting drum 30 for sorting. The selection drum 30 has a structure in which a corrugated plate 30b having a selection groove 30a is stretched on the inner peripheral surface of the handling cylinder 26.
The selection groove 30a may be formed in a gentle spiral shape. Grain put into the sorting drum 30 is swirled while being lifted in the rotation direction, separated into grains and straw dust, and sent backward by the sorting wind passing therethrough, and light straw dust is blown outside by the sorting wind, The heavy grains are configured so as to be dropped into the collecting spiral gutter 32 and collected, and are sent out by the collecting spiral 31 and conveyed to the Glen tank. The grains threshed by the handling barrel 26 are allowed to leak from the receiving net (crimp net) 34 to be received by the collecting trough 35, and the received grains are collected by the collecting spiral 36.
Also, it is configured to be charged into the sorting drum 30 via a lower and a lower.

[Brief description of drawings]

1] Side view of the main part of the thresher

FIG. 2 is a plan view of a main part of the same as above.

FIG. 3 is a sectional view taken along the line SS of FIG.

FIG. 4 is a perspective view of the combine.

FIG. 5 is a front view of the main part of the same as above.

FIG. 6 is a plan view of the same as above.

FIG. 7 is a partial sectional view of the same as above.

FIG. 8 is a schematic side view of the main part of the combine.

FIG. 9 is a plan view of the main part of the same as above.

FIG. 10 is a front sectional view of the main part of the thresher.

FIG. 11 is a perspective view of a main part of a threshing selection device.

FIG. 12 is a front sectional view of the main part of the same as above.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Combine 2 Cutting part 3 Threshing machine 4 Threshing feed chain 5 Discharging straw conveying device 6 Conveying chain 7 Holding rail 8 Chain guide rail 9 Guide body 10 Discharging wall cutter 11 Binding space 12 Discharging straw binding device 13 Discharging scraper Conveyance path 14 Scraping device 9 Tip guide plate 10 Tip guide means 11 Drive chain 12 Bolts

Front page continuation (72) Inventor Koji Okumoto, No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefectural Engineering Department, Iseki Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A discharge straw conveying device 5 for holding and transporting a waste straw after threshing in a sideways posture by means of a waste straw conveying chain 6 and a sandwiching rail 7 provided opposite to the waste straw conveying chain 6. The conveying end side of the conveying chain 6 is bent from a substantially horizontal posture to an upward inclined posture, and a guide body 9 for pulling the discharged straw downward from the chain is provided in the upward inclined path portion of the chain. Discharging straw conveying device in the threshing machine.