JPH033150Y2 - - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application The present invention relates to a grain culm conveying device for a harvester equipped with a binding device for threshing grain culm bundles and tying together several bundles of discharged straw bundles.

(b) Prior art In general, a harvester threshing machine has a feed chain with an upper type to facilitate the feeding of bundles, and the pinch rail straddles the chain plate on the outside of the feed chain so that the feed chain approaches the machine wall. Grain conveying devices for harvesters with binding devices designed to prevent grain residue and grain scattering are already known.

(c) Problems to be solved by the invention As shown in Fig. 4, the grain culm conveying device has the outer plate of the pinching rail pushing up and bending the stem end of the bundle, and the straw bundle in this state is folded. When fed to a bundling device, the plucking performance of the packer deteriorated and the bundle posture was disturbed, resulting in bundling errors or jams.

(d) Means to solve the problem As a way to solve the above-mentioned problem, if an auxiliary transport endless body is connected to the rear of the feed chain and the pinching rail, the bending on the stock side will be restored, but the length will be short. If the bending is not resolved and the auxiliary transport endless body is long, a new problem arises in that the binding device protrudes significantly outward.

The present invention provides a threshing machine in which a binding device is attached to the outside of the culm opening, a feed chain is placed at the top of the handling port, and U-shaped pinching rails placed opposite to each other at the bottom straddle the outside plate of the feed chain. ,
A star foil is provided on the stock side at the end of the feed chain, and only the rail plate on the ear side at the end of the pinching rail is extended to just below the star foil, and the rail plate is extended while the star foil provided at the end of the feed chain scrapes out. By holding the part of the straw bundle between the star foils, the bend on the stock side is corrected.
Thus, the above-mentioned problems were solved.

(E) Action The stock side of the bundled grain culm is conveyed by being held between the feed chain and the pinch rail, and the ear side is inserted into the handling chamber through the supply port for threshing processing.The straw bundles discharged from the discharge culm are transferred to the feed chain and The star foil scrapes out the upper part of the pinching rail, and in the meantime, the straw bundle is released from the rail plate on the stock head side, and the extended rail plate on the panicle side pinches between the star foils, so that the straw bundle is removed from the stock base side. The bending of the straw section is corrected to take an extended position, and the bundling device picks up the straw bundles discharged by the packer into the collecting culm, and when several bundles are collected, they are tied and discharged.

(F) Example An example of the present invention will be explained with reference to the drawings.
Reference numeral 1 denotes a threshing machine mounted on a harvester stand 2, with a feed chain 3 installed at the top of the handling port, a pinch rail 4 at the bottom, and a bundling machine 5 mounted on the strut 6 at the end thereof. Guide rail 14a supported by
The connecting rod 7 is mounted on the roller 14b by rollers 14b, and is movably fixed by screwing the connecting rod 7 onto the front-back guide plate 7a having a long hole on the upper surface with a bolt 7b. Similar to the conventional one, the binding machine 5 has a bundler 9 and a needle 1 at the bottom of the binding part 8.
A discharge arm 13 for discharging a nodule section and a bundle consisting of a building 12a surrounded by a nodule guide 11 and a holder 12b is provided at the top, and a door 15 is disposed on the outside of the convergence section 8. The threshing machine 1 is attached so as to be movable forward and backward by a fitting 16, and the output shaft 17 of the threshing machine 1 drives the input shaft 20 of the binding machine 5 via a belt 18, a tension pulley, etc.

Further, an arm 21 protruding from the nodule guide 11 toward the threshing machine 1 side, and an elastic guide plate 22 extending toward the upper part of the converging section 8 above the culm opening of the threshing machine 1;
The base of 23 is attached.

The pinch rail 4 is U-shaped and straddles the chain plate on the stock side of the feed chain 3, and star wheels 25, 25 are attached to both ends of the feed chain 3 so as to rotate together with the sprocket. The rail plate 4a on the ear side of the pincer rail 4 is extended as shown in FIG.
As shown in the figure, it extends to just below the star foils 25, 25.

Further, an engine covered with an engine cover 26 is mounted on the lower part of the feed chain 3 on the exhaust port side, and a dustproof plate 28 is mounted on the upper surface of the engine cover 26 on the exhaust port 27 (covered with wire mesh) side. is screwed onto the guide plate 30 of the bundling machine 5 so that its tip protrudes close to or overlaps with the guide plate 30 of the bundling machine 5, so that the straw waste that falls from the straw bundle moving to the bundling part 8 is removed from the air outlet 27.
It is possible to prevent the engine from overheating without accumulating on the blowing side of the engine and reducing the exhaust effect.

In the above-mentioned apparatus, when a bundle of grain culms harvested and tied with a binder or the like is fed to the threshing machine 1, the feed chain 3 and the pinching rail 4 pinch and convey the grain culm, so that the grain is threshed and the grain side is removed from the culm opening. When the straw is discharged and the stock side is passed from the feed chain 3 to the star foil 25 and scraped out, the rail plate on the stock side of the pinching rail 4 is detached from the straw bundle, and in this state, the rail plate 4a on the ear side is removed. Since the straw bundle is held between the pair of chain plates of the feed chain 3, the bending of the stock base that was raised during the holding and conveyance is corrected and becomes almost straight, and in this state, the elastic guide plate 2
When a predetermined amount of straw bundles are collected and the door 15 senses and operates, the one-turn clutch engages and the needle shaft and knot shaft rotate. The needle 10 wraps a string around the group of straw bundles, enters the knot through the opening, and is held by the holder 12b, and the bill 12b and holder 12b are activated to knot, and the discharge arm 1
3 releases a large bundle.

Note that 30a in the drawing is an upper guide plate that projects outward from the nodule guide 11.

(G) Effect of the invention As mentioned above, this invention has a binding machine 5 on the outside of the culm.
In a threshing machine configured such that a feed chain 3 is attached to the upper part of the handling opening, and U-shaped pinching rails 4 installed opposite to each other at the lower part straddle the outer plate of the feed chain 3, the stock base at the end of the feed chain 3 Star foils 25, 25 are provided on the sides, and only the rail plate 4a on the ear side at the end of the pinching rail 4 extends directly below the star foils 25, 25, so that the straw that is pinched and conveyed between the feed chain 3 and the pinching rail 4 is When the bundle is transferred to the star foils 25, 25 and scraped out, the stock side side is jumped up during the pinching conveyance, and the rail plate on the stock side side of the pinching rail 4 is detached from the straw bundle, and the rail plate on the ear side is removed. The extension part 4a enters between the chain plates of the feed chain 3 and between the star foils 25, 25 and is transferred while being pinched, and the bent part of the raised stock base is corrected and becomes approximately straight, and this state The straw bundles discharged in the step are neatly pushed into the collecting culm part 8 of the bundling device 5 by the packer 9, thereby preventing bundling errors and clogging.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention,
Figure 1 is a side view of the harvester equipped with a binding machine.
Figure 2 is a front view of the same as above, Figure 3 is a perspective view of the main parts, Figure 4a is an operational view of the conventional example, Figure 4b is an operational view of the present invention, and Figure 5 is a perspective view of another example. It is. 3...Feed chain, 4...Pinch rail, 4
a...Rail board, 5...Binding machine, 25...Star foil.

Claims (1)

[Scope of utility model registration request] A threshing machine configured such that a binding machine 5 is attached to the outside of the culm opening, a feed chain 3 is installed at the upper part of the handling opening, and U-shaped pinching rails 4 installed opposite to each other at the lower part straddle the outer plate of the feed chain 3. In the bundling device, star foils 25, 25 are provided on the stock side at the end of the feed chain 3, and only the rail plate 4a on the ear side at the end of the pinching rail 4 extends directly below the star foils 25, 25. Grain culm conveying device of harvester with attached.