JPS60196114A - Combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a combine harvester that is supplied with the entire amount of harvested crops for threshing and sorting processing, and particularly relates to a combine harvester with improved second crop reduction. .

(0) Prior Art In conventionally well-known axial flow type combine harvesters, there are many systems in which the second material is returned to a handling barrel (handling chamber).

In particular, in the combine harvester equipped with a threshing mechanism having a screw auger-type handling barrel proposed by the applicant and the inventor of the present application, the introduced crops move in the axial direction while drawing a spiral in the handling chamber. It is very difficult to introduce the No. 2 reduced material into this, and depending on the crop conditions, a feeding mechanism (for example, a push roller) to the handling chamber is required. - Q9 Problems to be solved by the invention In view of the above-mentioned circumstances, the present invention provides a combine harvester that enables smooth return of 2m objects even with a screw auger type handling barrel by reducing 2il objects with a numbered scraping device installed on the front end side of the handling barrel. This is what we are trying to provide.

B)) Means for solving the problem In order to achieve this object, the present invention provides a reaping and transporting mechanism that is equipped on a self-propelled vehicle body and that reaps and transports crops planted in a field, and In an axial flow type combine harvester, the harvester is equipped with a threshing/sorting mechanism that is supplied with the entire amount of grain, threshes and sorts the grain, and the crop sent from the reaping/transporting mechanism is placed in the front part of the handling barrel of the threshing mechanism into the handling chamber. The present invention is characterized in that a scraping device for scraping is provided, and a No. 2 reducing passage is communicated with the scraping device to return the No. 2 material.

(Oro Mio side Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 indicates a crawler-type traveling device 2.
The front part of the chassis 1 is equipped with a reaping/transporting device 3 for reaping and transporting crops planted in the field.
is provided. The reaping/conveying device 3 includes a divider 4
, a cutting blade 5, a scraping auger 11 having a reel 6° crank finger 1a, a conveyor 9 provided on the chill conveyor 8, a floor 10 facing the conveyor 9, a cutting device 11 installed on the floor 10, etc. 4, and the entire structure is configured to be vertically adjustable with respect to the ground.

The conveyance end of the competition 178 faces the lower part of the front end of the handling chamber 12 whose axis is arranged in the same direction as the direction of movement of the machine. A cylindrical handling cylinder 14 is integrally mounted on a shaft. The outer periphery of the raking cylinder 13 is provided with spiral raking blades 15 and radial handling teeth 16, and the outer periphery of the raking cylinder 14 is provided with screw handling teeth 11 and radial teeth #118, which allow rough handling. Torso 14
A discharge plate 19 is provided on the outer periphery of the rear end. The # end of the scraping blade 15 and the starting end of the screw handle @11 are connected by a connecting handle #21. Handling room cover 2
As shown in FIG. 2, a dust-feeding plate 22 is provided inside the dust-feeding plate 22 so as to intersect with the axes of the handling chamber 12 and the handling cylinder 14, and one end of this dust-feeding plate 22 is attached to a pivot pin 22a. The dust feeding angle is adjusted to 1 by adjusting screw 22b which is pivotally supported and provided at the other end.
It is flexible. On the outer periphery of the lower part of the handling chamber 12, there is a receiver wJ2 consisting of a raking part receiver @23a and a threshing part receiver net 23b.
3 is stretched, and the rear end of the threshing section receiving net 23b facing the discharge plate 19 of the handling cylinder is open to form a discharge culm opening 24.

Note that the size of the mesh of the threshing section receiving net 23b may be made larger on the rear side.

A sorting chamber 25 is provided below the receiving line 23, and within this sorting chamber 25, two screw augers 26 are installed at their T1m.
The wires are mounted parallel to the axes of the handling chamber 12 and the handling cylinder 14. A stirring plate 21 and a stirring rod 28 are provided between the screw pitches of the screw auger 26, and a screening net 29.
30 is stretched. The size of the mesh of the sorting net 29 (30) is such that the front part 29a is fine, the rear part 29b is coarse, and the rear end is open so that the culm opening 31
is formed. The number of screw augers 26 is not limited to two, but may be one or two or more, and the sorting nets 29 and 30 may also be changed as appropriate depending on changes in the screw augers.

A transfer body 32 consisting of a belt conveyor is provided below the front half of the sorting net 29, 30, and a wind selection chamber 33 is provided below the conveyance end of this transfer body 32.
Sorting air is blown out from a winnowing fan 34 provided below. There are 11 augers 35 at the bottom of the wind selection chamber 33.
and 2 @ auger 36 are provided, and as shown in FIG.
The side portion of the auger 21 communicates with a position corresponding to the scraping cylinder 13, and the rear part of the auger 36 is opened to form a dust exhaust port 38. In addition, m3 is added to the 2゜i reduction thrower 37.
An air inlet 37a may be provided as shown in the figure. Reference numeral 39 is the control section.

Ru.

Next, regarding the operation of this embodiment, what is the function of the divider 4 for harvesting paddy rice? A case where the grass is separated and raised by the reel 6 will be explained.

The harvested rice is cut at its base by the cutting blade 5, and then the entire amount is raked by the raking auger 7. The scraped rice is sent backward by the crank fingers 7a, and while being transferred along the floor 10 to the handling room 12 by the conveyor 9 of the chain conveyor 8, the long stem culms are cut @M11. disconnected by. The rice sent into the handling chamber 12 is first raked by the raking blades 15 of the raking cylinder 13 and simultaneously conveyed in the axial direction, and is threshed by the radiator @ 16 while passing through the connected handling teeth 2.
1 to the screw handling tooth 17 of the handling jlp 14, and as it is conveyed in the axial direction, the at that is generated between the left side of the receiving net 23
It receives a strong threshing effect due to the friction force. During this time, the dust sending plate 2
2, the movement of the grain to be threshed is controlled, and the radial handling teeth 18 also perform threshing and stirring actions, and most of the grains threshed in the handling chamber 12 (including grains attached to branches and spikes) are All of this, along with small straw debris, leaks through the receiving net 23 and is brought into the sorting chamber 25. The large straw culms remaining in the handling chamber 12 are sent in the axial direction,
It is discharged to the outside of the machine from the discharge culm 24 by the discharge plate 19. When the size of the mesh of the threshing section receiving net 23b is increased on the rear side, the leakage of threshed grains is improved and discharge loss is alleviated.

The grains and straw waste that have fallen into the sorting chamber 25 are transferred in the axial direction by the feeding action of the screw auger 26, while the grains and fine straw waste are transferred by leaking through the front half of the sorting net 29.3 (1). Large pieces of straw and branches fell on the body.
The lees powder, ear cut grains, etc. move in the axial direction, and the stalk-attached grains and panicle cut grains leak out from the coarse mesh part of the rear half of the sorting net 29, 30 along with some straw debris, and the remaining large straw The culm is directly taken out of the machine from the culm discharge port 31. During this time, the stirring plate 21 and stirring rod 2 attached to the screw auger 2G
8 smooths the feeding action of the screw and prevents clogging of the sorting wJ29.30, and removes grains, grains with stems attached,
It works to promote leakage of ear cut grains, etc.

The grains and small straw debris that have fallen onto the transfer body 32 are subjected to a sorting wind from the Karachi fan 34 as they fall through the wind selection chamber 33 from the conveyance end of the transfer body 32, and the selected grains are placed in the first place. It falls into the auger 35 and is collected by a collecting means (not shown), and small straw waste is discharged from the dust outlet 38 to the outside of the machine. Also,
The grains attached to branches and panicles that have fallen from the rear half of the sorting net 29 and 30 are returned to the side of the raking drum 13 in the handling chamber 12 by the second auger 3G and the two-way thrower 37, where they are re-thrested. Ru.

At this time, in the scraping J113, the scraping blade 15 acts like a rotary blade of a blower due to its rotation,
Outside air is sucked in from the front and surroundings of the handling chamber 12, and two loads of raw materials are carried on this air flow, where they are combined with the crops sent by the carrier 9 and sent to the handling drum 14 side for re-threshing. Furthermore, when the inside of the handling chamber 12 is under no load, air is also sucked in from the front of the handling chamber 12, but when the number of crops transported from the handling conveyance body 9 increases, it is rather sucked in from around the raking 1li13, that is, from the second
Since external air is mainly sucked in from the left side in the figure, when the two original materials are combined with this, they are easily drawn into the handling chamber 12.

Further, as shown in FIG. 2, the crops sent from the conveyor 9 are first raked in the right direction by the raking blades 15, so a space is created on the left side, where the two transported originals are raked. Therefore, even if the number of original items to be transported in duplicate increases somewhat, the phenomenon of clogging at the entrance of the handling chamber 12 does not occur. Furthermore, since the second selection material is supplied to the starting end of the handling chamber 12, the re-threshing time becomes longer, and when harvesting soybeans, the husks (=ll) of paddy rice, and the pods when harvesting soybeans. ” Each grain is completely single-grained.

Furthermore, if there are many 2-carry original items m, the raking blade 15
In some cases, the amount of incoming air decreases due to the inflow, so it is convenient if the air inlet 37a shown in FIG. 3 is open because the airflow increases.

The shearing device 11 is convenient for cases such as long-culm crops and high-moisture crops that require a lot of power to transport in the handling room 12, or when performing island-style threshing (high-speed work). Therefore, the straw culm is less likely to be wrapped around the raking cylinder 13 and the handling cylinder 14, and the required power is also reduced, allowing stable threshing and conveying action to be performed. The cutting device 11 may have one or more cutting blades.

Further, the dust sending plate 22 is used to adjust the transfer speed of the threshed grains in the handling chamber 12, and the angle with respect to the moving direction of the threshed grains can be freely changed from the plus side to the minus side with the adjustment screw 22b. Even if the movement is braked by setting it to the negative side, it will still be fed by the strong conveying action of the screw handling teeth 11, and is particularly effective for Japanese paddy rice, etc., which have difficulty in shedding.

Further, as shown in FIG. 4, a scraping beater 40 may be provided between the conveying end of the chain conveyor 8 of the conveying device and the entrance of the handling chamber 12, and in this case also, the inflow of the original material in two passes is possible. There is no problem with this.

The combine harvester of the present invention can be used for harvesting many crops such as rice, wheat, soybeans, buckwheat, and rapeseed.

(f) As described in detail, according to the combine harvester of the present invention, the raking @ position is connected to the stage G in the front part of the handling barrel of the threshing mechanism, and the raking device is connected to return the second material. Because of this, the introduction of the 21 items into the handling room was carried out smoothly, and the 21 items were placed at the beginning of the handling room.
Since grain reduction is performed, the threshing process takes a long time and is processed reliably. Further, the raking device mixes the crops sent from the reaping/transporting device without any difficulty and sends the crops into the handling room, ensuring that the threshing process is carried out reliably.

[Brief explanation of the drawing]

Fig. 11 is a vertical side view of the entire combine illustrating an embodiment of the present invention, Fig. 2 is a front view of a part 111i of the flea transport mechanism and the threshing mechanism, and Fig. 3 is a partial modification of Fig. 2. FIG. 4 is a partially longitudinal side view of another embodiment of the same conveying mechanism and threshing/sorting section. DESCRIPTION OF SYMBOLS 1... Agreement, 2... Traveling device, 3... Reaping and conveyance device, 4... Divider, 5... Cutting blade, 6... Reel, 7... Scraping auger, 7a... Crank finger, 8... Chain conveyor, 9... Transport body, 1G.
...Floor surface, 11...Turn off IFi device, 12...Handling room,
13... Scraping cylinder, 14... Handling cylinder, 15... Scraping blade, 16.18... Radial handling tooth, 11... Screw tooth extraction, 19... Discharge plate, 20...・Handling room cover,
21...Connection handling tooth, 22...Dust sending plate, 22a...
Pivot pin, 22b...adjustment screw, 23...reception net, 2
3a... raking part receiving net, 23b... threshing part receiving net, 2
4, 31-...Culm opening, 25...Sorting room, 26...
Screw auger, 21... Stirring plate, 28... Stirring bar, 29.30... Sorting net, 29a... Front part,
29b... Rear part, 32... Transfer body, 33...
Wind selection room, 34...Karami fan, 35...No. 1 auger, 36...No. 2 auger, 37... 2-way flow source thrower 137a... Air inlet, 38... Exhaust Oguchi, 3
9... Control unit, 40... Scraping beater. Patent Applicant Agent for A-Industry Mechanization Research Institute Patent Attorney Nobuko Kobashi Susumu Murai Patent Attorney April 17, 1980 Director General of the Patent Office Waka 1 Ni Technique Mr. Futo 1, Indication of Case 1988 Patent Application No. 05184. ;3 No. 2, Name of the invention Combine 3, Relationship with the case of the person making the amendment Patent Applicant 1-40-2 Nisshin-cho, Omiya City, Saitama Prefecture 4, Agent 5, Drawing plan subject to amendment 6, Contents of the amendment Purification of the drawing (no changes to the content)

Claims (1)

[Claims] An axial-flow type machine equipped with a self-propelled vehicle body that has a reaping/transfer mechanism that harvests and transports crops planted in the field, and a threshing/sorting mechanism that is supplied with the entire amount of transported crops and threshes and sorts them. In the combine harvester, a raking device is provided at the front of the handling barrel of the threshing mechanism for raking the crops sent from the reaping/transporting mechanism into the handling chamber, and the raking device is used to return the second crop to the handling chamber. A combine harvester characterized by having a No. 2 return passage connected to each other.