JPH0531U - All culm type combine - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to smoothly introduce grain culms into the grain handling room without retaining them at the grain culm inlet of the handling room. A handling cylinder 3 having screw teeth on its outer periphery is provided in a handling chamber 4 rotatably around a front-rear axis P, and a plurality of rod-shaped members 10 are radially arranged with respect to the front-rear axis P. A grain culm scraping mechanism 11 is installed in the front part of the handling barrel 3 so as to be able to move in and out so that the rod-shaped member 10 is largely projected from the handling barrel 3 in a rotation phase facing the grain culm introduction port 8 of the handling chamber 4. In the phase out of the rotation phase, the protrusion is reduced.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an all-cullet-type combine harvester in which a handling cylinder having screw teeth on its outer periphery is provided in a handling chamber so as to be rotatable around a longitudinal axis.

[0002]

[Prior Art]

 Conventionally, this type of all culm input type combine harvester has been introduced so that the grain culm introduced from the grain culm introduction port of the handling room can be treated while being transferred backward by the screw teeth provided in the handling barrel. Was scraped into the handling room with a scraping member consisting of a rigid member connected to the screw teeth.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional structure, the amount of protrusion of the outer edge of the scraping member from the handling cylinder is limited so that the scraping member does not collide with the ceiling wall of the handling chamber, etc. A large gap was created between the grain culm introduction port and the outer edge of the scraping member, and the grain culm was likely to stay in this gap.

The present invention has been made in view of the above-mentioned circumstances, and is an all-cullet throwing type converter capable of smoothly introducing grain culms into the handling chamber without retaining the grain culms at the grain culm introduction port of the handling room. The purpose is to provide the inn.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the combine according to the present invention is provided with a handle cylinder having screw teeth on its outer periphery in a handle chamber rotatably around the front-rear axis core, and a plurality of rod-shaped members with respect to the front-rear axis core. Is equipped with a grain culm scraping mechanism that is arranged radially so that it can be retracted and retracted in the front part of the handling cylinder, and the rod-shaped member is handled in the rotation phase facing the grain culm inlet of the handling chamber. It is characterized in that it is configured so as to largely project from the body and less project at a phase deviating from the rotation phase. The actions and effects of this characteristic configuration are as follows.

[0006]

[Action]

 That is, the grain-culm scraping mechanism causes the rod-shaped member to largely project from the handling barrel in the rotation phase facing the grain-cullet introduction port of the handling room, and reduces the protrusion in the phase deviating from the rotation phase, so that the handling room There will be no big gap in the grain culm introduction port. Then, while the grain sticks are scraped into the handling room by the protruding rod-shaped members, and at the location where the ceiling wall is close to the handling barrel whose phase deviates from the rotation phase facing the grain-cullet inlet, the rod-shaped members Collisions against walls etc. are avoided.

[0007]

[Effect of the device]

 Therefore, the grain culm scraping mechanism can eliminate the problem that the grain culm transferred to the grain culm inlet of the handling room is immediately introduced into the handling chamber and the grain culm stays in the grain culm inlet of the handling room. I arrived.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a threshing device A of an all culm-type combine harvester comprising a threshing unit 1 and a sorting unit 2. In the threshing unit 1, a handling cylinder 3 that rotates around a front-rear direction axis P is mounted over the front and rear of a handling chamber 4, and a receiving net 5 is arranged below the handling barrel 3 and the handling barrel 3 is provided. A screw-shaped screw tooth 6 is provided on the outer periphery of the grain so that the grain culms to be threshed introduced into the handling chamber 4 are transferred to the rear side in a state where the threshing operation is given.

The grain stalks mowed by the pre-crop treatment section provided in the front part of the combine of the fuselage are transported rearward by the transport belt 7 and fed to the grain stalk introduction port 8 below the front part of the handling chamber 4.

As shown in FIGS. 1 and 2, a spiral scraping blade 9 is provided on the front outer peripheral surface of the handling barrel 3 facing the grain culm introducing port 8 and the front and rear axis P is On the other hand, a grain-scattering mechanism 11 configured by connecting the three rod-shaped members 10 to each other so as to radially dispose the three rod-shaped members 10 ... Equipped freely. In the grain culm scraping mechanism 11, the rod-shaped member 10 facing downward in the rotation phase facing the grain culm inlet 8 is larger than the handling barrel 3 as the barrel 3 rotates. The rod-shaped members 10 and 10 that are projected and are in a phase deviating from the rotation phase facing the grain culm introduction port 8 are configured to reduce the outward projection of the handling cylinder 3 in association with this projection. That is, the connecting central portions of the three rod-shaped members 10 ... Are pivotally attached to the front-rear shaft 13 which is deviated from the front-rear direction axial center, which is cantilevered by the rotation support shaft 12 of the handling cylinder 3. Therefore, therefore, the rod-shaped member 10 that rotates together with the handling barrel 3 actually rotates about the front-rear axis 13, and the rod-shaped member 10 does not rotate with respect to the handling barrel 3 that rotates around the longitudinal axis P. In the rotation phase facing the grain culm introduction port 8 below the handling barrel 3, the protrusions are largely projected from the handling barrel 3, and in the phases deviating from this rotation phase, the protrusions from the handling barrel 3 are reduced.

With the above structure, the grain culm scraping mechanism 11 is configured such that the tip of the rod-shaped member 10 approaches or abuts the bottom face of the grain culm introduction port 8 almost always even when the handling barrel 3 rotates. Since the grain culm has been transferred to the grain culm introduction port 8, the grain culm that has been transferred to the grain culm introduction port 8 is not retained and is scraped into the handling chamber 4 by the protruding rod-shaped member 10. Further, the rod-shaped member 10 does not collide with the wall surface such as the ceiling wall portion of the case 4a in the handling chamber 4 which is close to the handling barrel 3, so that the rod-shaped member 10 does not collide.

The number of rod-shaped members 10 can be set as appropriate, and a large number of radially-arranged rod-shaped members 10 ... Are provided by a cam provided on the shaft around which the handling cylinder 3 is mounted. The rod-shaped members 10 and 10 in a phase deviating from the rotation phase facing the grain culm introduction port 8 are configured to be less protruded to the outside than the handling cylinder 3 only in the rotation phase facing the You may.

It should be noted that reference numerals are added to the claims of the utility model for convenience of comparison with the drawings, but the invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing a threshing / sorting section in a combine.

FIG. 2 is a front view showing a front end portion of a handling cylinder.

[Explanation of symbols]

 3 Handling Cylinder 4 Handling Room 8 Grain Crate Introduction Port 10 Bar-shaped Member 11 Grain Crane Scraping Mechanism P Front and Rear Shaft Core

Claims (1)

[Claims for utility model registration] [Claim 1] A handling cylinder (3) having screw teeth on the outer circumference.
Is provided in the handling chamber (4) so as to be rotatable around the front-rear axis (P), and a plurality of rod-shaped members (10) are radially arranged with respect to the front-rear axis (P). Mechanism (1
1) is equipped on the front part of the handling cylinder (3) so that it can be retracted and retracted.
The rod-shaped member (10) is largely projected from the handling barrel (3) in a rotation phase facing the grain culm introduction port (8) of the handling chamber (4), and the protrusion is reduced in a phase out of the rotation phase. All culm-type combine harvesters that are configured like this.