JPH0653022B2 - The second reducing device of the thresher - Google Patents

Description

TECHNICAL FIELD The present invention relates to a second reducing device for a thresher, which is configured to reprocess and then reduce the second selected product.

[Conventional technology]

Examples of the second reducing device for such a thresher include,
-29158, as shown in Japanese Patent Publication No. 29158, the feeding device for reducing the second product is configured as a thrower type, and by providing processing teeth on the thrower blade, the rough treatment of the second product is performed at the time of forced throwing by the thrower blade. What is configured to do is known.

[Problems to be solved by the invention]

This structure is intended to process the second object with the processing teeth (protrusions for scraping) provided on the front surface of the thrower blade, but the processing function is insufficient, especially for the second object with strong entanglement. In most cases, the unwinding function was not exerted.

Further, during wet threshing, it was difficult to carry out sufficient landing and lifting, and the product was likely to be clogged.

The present invention has been made in view of the above circumstances, and provides a second reducing device for a threshing machine that can reliably and properly reprocess a strongly entangled second object or a wet second object. With the goal.

[Means for solving problems]

The second reducing device of the thresher according to the present invention, in order to achieve the above-mentioned object, a processing rotary body having processing teeth protruding is disposed at the end of the second transverse feed screw, and by this processing rotary body, A second lifting screw conveyor for lifting and returning the processed product is provided, and on the inner peripheral surface of the processing case that houses the processing rotor, a plurality of receivers lined up in the axial direction and the circumferential direction of the processing rotor are provided. The teeth are projected and these receiving teeth are arranged in a staggered manner, and a plurality of the processing teeth are arranged in parallel along the axial direction of the processing rotating body, and the tips of the receiving teeth are The characteristic configuration is that it is arranged to enter between the rotation loci of the processing teeth.

The operation and effect of this characteristic configuration are as follows.

[Action]

That is, at the end of the No. 2 horizontal feed screw, a processing rotary body with processing teeth protruding is provided in place of the lower blade, and the No. 2 horizontal product sent by the No. 2 horizontal feed screw is treated inside the processing teeth and processing case. It is reprocessed in cooperation with a plurality of teeth that are projected on the circumferential surface and sent to the starting end of the No. 2 lifting screw conveyor. In this case, a plurality of teeth are arranged in the axial direction and the circumferential direction of the processing rotary body, and moreover, they are arranged in a staggered manner,
The rotating treatment tooth moves along the row of tooth receiving teeth arranged in the circumferential direction, so that the second material is offset or separated, and an effective loosening action and a single graining action are added.

Next, the re-processed second product that has been sent out is forcibly lifted and reduced by the second lifting screw conveyor that is not easily affected by the adhesion of the second product.

〔The invention's effect〕

 According to the present invention, the following effects are brought about.

The second tooth can be effectively reprocessed by the processing teeth rotating in the processing case and the staggered tooth arrangement.

By sending the reprocessed second product from the processing case and lifting and reducing with the second lifting screw conveyor, the second product will be clogged between the processing case and the outlet of the second lifting screw conveyor. Less often.

Sufficient processing and pumping functions can be exhibited even for wet crops.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 7, the threshing section (A), the sorting section (B) and the collecting section
A threshing machine consisting of (C) and is shown.

The threshing section (A) is one in which the handling barrel (2) is mounted in the handling chamber (1) and the receiving net (3) is stretched along the lower side of the handling barrel (2). The grain culms pinched and conveyed by the chain (4) are processed by the handling cylinder (2), and the processed product is leaked and supplied onto the sorting section (B).

The sorting section (B) includes a swing sorting device (5) and this swing sorting device.
It consists of Kara Minou (6) that sends sorting wind to (5). The rocking sorting device (5) is provided with a Glen pan (8) and a Glen sieve (9) in front and back in a continuous state across both sides of a frame body (7) that can be rocked and driven, and a straw in two upper and lower stages. The racks (10) and (11) are provided at the front and the rear. Then, the processed product leaked from the receiving net (3) is received by the Glen pan (8),
After the specific gravity difference is sorted, the latter is oscillated and transferred to the rear Glensieve (9), and then further sifted and selected by the Glensieeve (9) while further oscillated and transferred to the rear, and is dropped and discharged from the rear end. On the other hand, the handling room (1)
The processed product discharged from the dust inlet (1a) of the device is received by the upper Straw rack (10), swings and transfers backward while sorting the leakage, and discharges it to the lower Straw rack (11), and then the lower straw. The rack (11) sorts the leaks again and discharges them from the rear end to outside the machine. Incidentally, (12) is a dust-exhausting fan for discharging straw dust together with the sorting wind to the outside of the machine.

The recovery part (C) is the first item recovery part (13) for recovering the paddy that has leaked from the Glensive (9), and is discharged from the rear end of the Glensive (9) or the straw rack (10), (11). ) And a second crop recovery unit (14) for recovering branched rice and the like. The first item recovery part (13) has the first screw (13a) for conveying the recovered first item to one side, and the second item recovery part (14) has the second item recovered. A second horizontal feed screw (14a) is provided for transporting an item laterally to one side.

As shown in FIGS. 1 and 2, four rotary vanes (15) facing in the circumferential direction are provided at the end of the second transverse feed screw (14a) at intervals of 90 degrees. Rotary vane
Six processing teeth (16) are attached to each of the (15) at equal intervals in the axial direction, and the processing blade (15) and the processing teeth (16) form a processing rotating body (D). . The processing tooth (16) is a blade shape having a clearance angle (α) slightly larger than 20 degrees at the edge on the lower side in the rotational direction, and is a two-sided feed screw (14a). While unraveling the food, it is processed and made into single grains. The outer diameter of the rotary vane (15) is the treating tooth (16).
It is a plate body of about two-thirds of the outer diameter of No. 2, and the second object is impacted to make it into a single particle, and its ejection action causes the second No. Send to the beginning of 20).

As shown in FIG. 4, the connecting case (1) that expands forward is provided on the front side of the processing case (17) in which the processing rotating body (D) is housed.
8) is connected, and the starting end of the second lifting screw conveyor (20) is connected to the discharge port (19) of the connection case (18).

The treatment case (17) has an arc shape along the locus of the tip of the treatment tooth (16), and a maintenance opening (2
1) has been formed. This opening (21) is usually the processing case.
It is closed by a lid body (22) which is bolted to (17), and when necessary, it can be easily opened by removing the bolt (23a) and removing the lid body (22).
Since the bolt hole (23b) through which the bolt (23a) passes is formed in the lid body (22) as a long hole along the axial direction, the position in the closed state can be moved in the axial direction. ing. That is, the distance between the processing tooth (16) and the tooth receiving (24) described later can be adjusted to an optimum distance by moving it to the lid (22).

As shown in FIG. 3, inside the lid (22), the blade (2
4) are planted in a zigzag pattern and are inserted into the gap of the rotation locus of the treated tooth (16). The tooth receiving (24) is for assisting the processing tooth (16) to unravel the second material that has been sent into a single grain, and the processing tooth (16 The clearance angle (β) is formed in the same manner as By the way, this clearance angle (β)
Is about 20 degrees, which is slightly smaller than the clearance angle (α) of the treated tooth (16). In addition, the lowermost receiving blade (24) is the processing case (1
It is set about 40 degrees above the lowest point of 7).

The connecting case (18) is a re-thresholding second product sent from the processing case (17) by the rotary blade (15) and the processing teeth (16), and the starting end of the second lifting screw conveyor (20). The upper side surface (18a) is longer than the lower side surface (18b) and has a tubular shape. Also, as shown in FIG.
The joint angle (γ) between (18a) and the second lifting screw conveyor (20) is smaller than 90 degrees, and as shown in Fig. 5, the width of the discharge port (19) is second lifting. Feeding screw conveyor
The diameter is made larger than the diameter of (20) by L so that the second product can be smoothly supplied to the second lifting screw conveyor (20). Further, the inner peripheral surface of the connecting case (18) is coated with a water-repellent substance so that a damp second object is unlikely to adhere thereto. In addition, the lower side surface (18b) with respect to the upper side surface (18a)
The length ( ₂ ) is quite short, actually about 20 mm.

The second lifting screw conveyor (20) has a vertical screw (26) inside the lifting cylinder (25), and a discharge blade (27) provided at the upper end of the screw (26) is a lifting cylinder ( It is seen through the second return port (25a) on the side of the upper end of 25), and as shown in Fig. 6, the second product sent through the connecting case (18) is pumped and then discharged. The blades (27) reduce the second reduction port (25a) to the sorting unit (B).

As described above, the second reducing device of the threshing machine according to the present invention is a receiving device in which the second product sent by the second transverse feed screw (14a) is arranged in a staggered manner with the processing teeth (16). It separates while fully unraveling due to the interaction of the teeth (24), and becomes single-grained, and while being further single-grained by the impact of the rotating blades (15), it is fed to the second lifting screw conveyor (20) and fed-back reduction. To do. Therefore, even when wet threshing, it is difficult for the moistened second product to become lumps as a single grain, or to adhere to the inside of the feeding route, which makes feeding difficult. After threshing, it can be reliably pumped and reduced.

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

[Brief description of drawings]

The drawings show an embodiment of a second reducing device for a thresher according to the present invention. Fig. 1 is a vertical sectional side view of a processing case, Fig. 2 is a transverse plan view of the same, Fig. 3 is a perspective view of a lid, Fig. 4 is a partially cutaway side view showing the processing case and the second lifting screw conveyor,
FIG. 5 is a cross-sectional plan view of the connecting case and the second lifting screw conveyor, FIG. 6 is a vertical sectional front view of the thresher, and FIG. 7 is a vertical sectional side view thereof. (14a) …… Second traverse screw, (16) …… Processing tooth, (1
7) …… Processing case, (20) …… Second lifting screw conveyor, (24) …… Tooth receiving, (B) …… Sorting section, (D) …… Processing rotating body.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Susumu Onishi 64 Ishizukita-cho, Sakai City, Osaka Prefecture Kubota Iron Works Co., Ltd.Sakai Works (72) Inventor Yoshitada Nakamura 64, Ishizukita-machi, Sakai City Osaka Prefecture Inside the Sakai Works (72) Inventor Katsu Ando 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Iron Works Co., Ltd. Inside the Sakai Works (56) References: 57-138537 (JP, U): 62-27440 (JP) , U) S.K. 57-34928 (JP, Y2)

Claims (1)

[Claims] 1. A processing rotator (D) having processing teeth (16) projecting from the end of a second transverse feed screw (14a) is provided and fed by this processing rotator (D). A second lifting screw conveyor (20) for lifting and reducing the processed material is provided, and on the inner peripheral surface of the processing case (17) that internally houses the processing rotator (D), the axial direction of the processing rotator (D). And multiple teeth on the circumference (24)
Projecting, these receiving teeth (24) are arranged in a staggered manner, and a plurality of the processing teeth (16) are arranged side by side along the axial direction of the processing rotating body (D), and A second reducing device for a thresher in which the tips of the tooth receiving teeth (24) are inserted between the rotation trajectories of the treated teeth (16).