JPH0753052B2 - Grain culm feeder in combine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a grain culm feeder for a normal combine harvester.

(Prior art) Conventionally, in a threshing chamber of a normal combine harvester, in which two twin screw handling cylinders are installed side by side, the grain culm conveyed from the mowing section is
The grain culm supply in the ordinary combine harvester is such that it is supplied evenly to either one of the screw handling cylinders and to the other screw handling barrel, and No. 2 is returned to either one of the screw handling barrels. Devices are known.

(Problems to be Solved by the Invention) In the above-mentioned known ones, the grain culms conveyed from the reaping unit are supplied evenly to any one of the screw handling cylinders and to the other screw handling cylinder. No. 2 is returned to either screw handling cylinder, so 2
On the other hand, the screw handling cylinder that has returned to the turn has an excessive load, the threshing performance is not stable, and the balance cannot be secured.

(Means for solving the problem) Therefore, the present invention, the threshing chamber 11 of the combine is provided with a pair of left and right screw handling drums 14 and 15 side by side, and a wind selecting chamber 23 is provided in the lower portion of the threshing chamber 11. The second item selected by the wind-selecting chamber 23 is formed so as to be returned to the upper part of one of the screw handling cylinders 14 via the fried grain cylinder 27. The number of 16 is small in the returning screw handling cylinder 14 of the 2nd product, so that a large amount is supplied to the screw handling cylinder 15 of the 2nd product not returning
The screw handling cylinder 15 which is smaller in size and does not return the second one is a grain culm feeding device in a combine, which is provided so as to be larger in size.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. 1 is a frame, 2 is a traveling device provided below the frame 1, 3 is a threshing unit provided above the frame 1, and 4 is the frame 1
The reaping section 5 provided in front of the is a driver's seat located in front of the threshing section 3. A weeding tool 6 is provided at the tip of the mowing unit 4, a scraping roll 7 is located above the weeding tool 6, and a cutting blade is provided below the scraping roll 7. Reference numeral 8 is a rotary type scraping tool for scraping the cut grain stalks, and the rotary type scraping tool 8 has a scraping rod 9
Is provided so that it can enter and leave freely. 10 is an elevator that conveys the culm scraped by the rotary scraper 8 to the threshing chamber 11 of the threshing unit 3, 12 is an endless belt provided in the elevator 10, and 13 is provided on the outer peripheral surface of the endless belt 12. It is a scrap.

Two screw handling cylinders 14 and 15 are provided in the threshing chamber 11, and the supply port 16 of the elevator 10 is formed by being shifted to one of the screw handling cylinders 14 and 15 as shown in FIG.
The screw handling cylinder 14 side is formed so that a small amount thereof is provided, and the screw handling cylinder 15 side is provided with a large amount of dispersed and inflow. 17 is a handling net provided at the bottom of the screw handling barrel 14, 18 is a handling net provided below the screw handling barrel 15, and below the handling net 17 and the handling net 18 are screws 19, 20, and screws in the front-rear direction. Three 21s are installed side by side and the lower part is surrounded by a lower net 22. A wind selection room 23 is provided below the lower net 22. 24 is compressed wind Kara, 25 is the first screw, 26 is the second screw, and the second screw 26 is the frying cylinder.
Connect the lower end of 27, connect the horizontal cylinder 28 to the upper end of the fried cylinder 27,
The end of the horizontal cylinder (28) is opened to the screw handling cylinder (14) with a small supply amount.

The spiral 29 and the spiral 30 provided on the outer circumferences of the screw handling cylinders 14 and 15 have a steeper pitch than the spiral 29 (FIG. 4).
Be processed quickly.

6 to 8 show a second embodiment, in which a processing chamber 31 is provided on the side of the threshing chamber 11, but the processing chamber 31 is formed with a short rear portion to form a space 32 at the rear of the processing chamber 31. The engine in the space 32
33 is arranged, and the fried food container 27 is located between the engine 33 and the processing chamber 31. 9 and 10 show another embodiment, in which a cutting blade 34 is provided at the rear part of the screw handling cylinder 14 and a receiving blade 35 is provided at the rear part of the screw handling cylinder 15, respectively. Of these, the screw handle cylinder 14 is the screw handle cylinder 15
Connection is made by a transmission mechanism 36 that rotates at a higher speed.

(Operation) Next, the operation will be described.

When the traveling device 2 is rotated and moved forward, it is weeded by the weeding tool 6, raised by the take-up roll 7, cut, and then sent into the elevator 10 by the take-up rod 9 of the rotary take-up tool 8, The endless belt 12 feeds the screw handling cylinders 14 and 15 from a supply port 16. At this time, the position of the supply port 16 is as shown in FIG.
14 is less, and more is supplied to the screw handling barrel 15, but the screw handling barrel 14 collects the second product collected by the second screw 26 into the screw handling barrel 14 via the lifting cylinder 27 and the horizontal barrel 28. As it is supplied, the load is leveled and threshed smoothly.

That is, the grain culms supplied into the screw handling cylinders 14 and 15 are processed while being moved backward by the rotation of the helix 29 and the helix 30, and those dropped through the eyes of the handling nets 17 and 18 are arranged in parallel. Screw 19, screw 20, screw 21,
While being transferred to the rear by the
After passing through the eyes, it falls into the wind selection room 23, and in the wind selection room 23, it is sorted by the wind of the compressed air Karano 24, the first one is taken out of the machine by the first screw 25, and the second one is It is collected by the No. screw 26, flows into the fried grain cylinder 27, and is supplied to the screw handling cylinder 14 which is slightly supplied via the horizontal cylinder 28.

In the above case, the pitch of the spiral 29 is formed sharper than that of the spiral 30, so that the spiral 29 will not be clogged even if a large amount of the second material is supplied.

In the embodiment shown in FIGS. 6, 7, and 8, since the mounting space for the engine 33 is formed, the lateral width of the entire body can be reduced,
The left-right balance is good, and the strength of the airframe is improved.

In the embodiment shown in FIGS. 9 and 10, since the straw waste transported to the rear of the screw handling cylinders 14 and 15 is cut by the cutting blade 34 and the receiving blade 35, it can be used as a chopper.

The conventional ordinary combine chopper is uneconomical because it is formed separately from the main body, but the present invention is economical because it can be implemented at a low cost because it is integrally incorporated. .

Further, since the screw handling cylinder 14 for returning No. 2 rotates at a high speed, the filtering action in the handling net 17 is active, and the combine ability is improved.

(Effect) Conventionally, in a threshing room of a normal combine harvester, in which two twin screw handling cylinders are installed in parallel,
The grain culm supply in the ordinary combine harvester is such that it is supplied evenly to either one of the screw handling cylinders and to the other screw handling barrel, and No. 2 is returned to either one of the screw handling barrels. Devices are known.

The above-mentioned known one is such that the grain culm conveyed from the mowing section is evenly supplied to either one of the screw handling cylinders and to the other screw handling cylinder, and the number 2 is for either one. I'm going to put it back in the screw handle
On the other hand, the screw handling cylinder that has returned to the turn has an excessive load, the threshing performance is not stable, and the balance cannot be secured.

Therefore, the present invention, the pair of left and right screw handling cylinders 14 and 15 are arranged in parallel in the threshing chamber 11 of the combine, the wind selecting chamber 23 is provided at the lower part of the threshing chamber 11, and the wind selecting chamber 23 is used for selection. The second one is formed so as to be returned to the upper part of one of the screw handling cylinders 14 via the fried grain cylinder 27, and the supply port 16 of the grain culm cut by the cutting unit 4 is the screw for returning the second one. Fewer than the handling cylinder 14, a screw handling cylinder 15 that does not return the second object
In order to supply a large amount, the screw handling cylinder 14 for returning the second one is smaller, and the screw handling cylinder 15 for which the second one does not return is larger so that the screw handling cylinder 15 is larger. Therefore, since threshing is supplied to the pair of left and right screw handling cylinders 14 and 15 on average, it is possible to thresh favorably.

[Brief description of drawings]

FIG. 1 is an overall plan view, FIG. 2 is a side view of the same, and FIG.
FIG. 4 is a cross-sectional plan view of the first embodiment, FIG. 5 is a side view of the first embodiment, FIG. 6 is a front view of the second embodiment, and FIG. 7 is a third embodiment. Cross-sectional plan view, FIG. 8 is the third
FIG. 9 is a vertical sectional side view of the embodiment, and FIG. 9 is a transverse plan view of the fourth embodiment.
FIG. 10 is a vertical side view of the fourth embodiment. DESCRIPTION OF SYMBOLS 1 ... Frame, 2 ... Traveling device, 3 ... Threshing section, 4 ... Mowing section, 5 ... Driver's seat, 6 ... Weeding tool, 7 ... Scraping roll, 8 ... Rotating scraping tool, 9 ... Scratching Insert rod, 10 ... Elevator, 11 ... Threshing chamber, 12 ... Endless belt, 13 ... Scrap, 14 ... Screw handling barrel, 15 ...
Screw handling cylinder, 16 ... Supply port, 17 ... Handling net, 18 ... Handling net, 19
… Screw, 20… Screw, 21… Screw, 22…
Shimonet, 23 ... Wind selection room, 24 ... Pressed wind Kara, 25 ... First screw, 26 ... Second screw, 27 ... Frying barrel, 28 ... Horizontal barrel, 29 ...
Spiral, 30 ... Spiral, 31 ... Processing chamber, 32 ... Space part, 33 ... Engine, 34 ... Cutting blade, 35 ... Receiving blade, 36 ... Transmission mechanism.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Eiji Shinozaki Eiji Shinozaki, No. 1, Hachikura, Tobe Town, Iyo-gun, Ehime Prefecture, Engineering Department, Iseki Agricultural Machinery Co., Ltd. (56) References JP 61-289817 (JP, A) 115033 (JP, U) Actually opened Sho 60-174535 (JP, U)

Claims (1)

[Claims] 1. A pair of left and right screw handling cylinders 14 and 15 are arranged side by side in a threshing chamber 11 of a combine, a wind selecting chamber 23 is provided below the threshing chamber 11, and the wind selecting chamber 23 is used for sorting. The bait is formed so as to be returned to the upper part of one of the screw handling cylinders 14 via the fried grain cylinder 27, and the feed port 16 of the grain culm cut by the reaping unit 4 is used for returning the 2nd product by the screw handling. There is a small amount in the cylinder 14, and a large amount is supplied to the screw handling cylinder 15 that does not return the second object, so that the screw handling cylinder 14 that returns the second object is smaller and the screw handling cylinder 15 that does not return the second object Is a grain culm feeding device in a combine, which is arranged so as to be large.