JPH0618436Y2 - Combine threshing equipment - Google Patents

Description

Detailed Description of the Invention (a) Field of Industrial Use The present invention relates to a combine threshing device for cutting and threshing grain culms such as wheat or beans such as soybeans.

(B) Conventional technology Conventionally, a reel, a cutting blade, an auger for transferring a cut material toward the center of the machine width, and a feeding / supplying conveyor are provided in the front part of the machine body, and the cut material is pumped by the lifting / supplying conveyor. There is already known a combine in which is inserted into a supply port provided on the front surface of the handling room.

(C) Problems to be solved by the invention When the above-mentioned known combine is used for cutting and threshing soybeans, etc., hard branches are irregularly branched, so that the combine is lifted and installed in front of the handling room. When it was inserted from the supply port, the transfer to the handling chamber was not smooth and clogging was likely to occur, and soybean grains and the like were often lost and damaged.

(D) Means for Solving the Problems In the present invention, a lifting device is arranged in the front part of the handling chamber, a supply port is provided on the upper surface of the front part of the handling chamber, and the feeding is performed from the end of the lifting device. By providing a scraping device over the upper part of the mouth, and by providing a guide member inclined toward the rear of the supply port and on the side where the handling cylinder is rotated upward, and which is inclined downward and penetrates below the end of the scraping device. In addition to solving the above problem, the grain was prevented from scattering outside between the end of the scraping device and the supply port.

(E) Action The auger transfers the soybean stalks cut by the cutting blade toward the center, and the pumping and feeding device pumps it to the upper front of the handling room. When the scraping device scrapes it backward, it drops into the handling chamber from the upper supply port.

At that time, since the handle barrel is rotating, the stem with the handle teeth is forcedly scraped to thresh, and the sorting unit sorts.

Then, the guide member provided at the rear portion of the supply port changes the direction of the grain removal scraped up by the handling teeth to the side where the handling cylinder descends and turns, so that soybeans and the like are scattered from the end of the scraping device. Prevent.

(F) Embodiment An embodiment of the present invention will be described with reference to the drawings. An axial flow type threshing device 5 having a front-rear direction of a handling barrel 3 is mounted on one side of a machine base 2 having a traveling device 1, On the other side, a control section is arranged, and a cutting device composed of a reel 8 and a cutting blade 9 is provided at the front part of the pretreatment frame 7 tilted up and down by a hydraulic cylinder 7a about the horizontal shaft 6 above the front part. It is installed.

A plurality of fingers 11 ... and a brush 11a, which perform a lifting action while appearing and retracting in a central portion of a cylinder 10 which is laterally mounted on the rear portion of the cutting blade 9, are attached to the central finger 11 on both outer peripheral surfaces thereof. The augers 12 and 12 that are transported toward the projection are provided projectingly, and the lifting device 13 is a lifting gutter 15 that is obliquely provided from a part facing the rear surface of the finger 11 to a part facing the upper part of the threshing device 5. And a lifting conveyor 16 which is stretched in the lifting trough 15 and whose lower surface side moves upward, and this lifting conveyor 16 has a pair of left and right chains 17, 17 whose rotation direction side becomes longer. A large number of transfer pieces with a U-shaped cross section
It is formed by attaching 18 ..., A flexible plate 18a made of rubber or the like or a brush or the like is attached to the long protruding portion of the transfer piece 18 to improve the lifting performance,
As shown in FIG. 4 (b), the inheritance performance is further improved by providing a concave portion 18b, ... Through which the fingers 11 ,.

The inner ends of the augers 12, 12 are partially wrapped on the outside of the lifting conveyor 16, and the lower ends of both side plates of the lifting gutter 15 are expanded into a trumpet shape as shown in FIG. And face
Between the upper edges of the lower parts of the both side plates, a rubber plate 19 having a lower end extending along the rotation locus of the brush 11a is vertically provided.
The bottom of the is sealed in the middle with a plate 14a, the upper and lower parts of which are openings, and guides 14c that form inward grooves on both sides of these openings are welded so that soybeans and the like do not leak into the grooves. A shutter 14b formed by stretching a net having meshes through which small things such as earth and sand leaks or by forming a large number of small holes is detachably fitted and fixed.

The threshing device 5 forms a supply port 21 by opening an upper surface in front of a midway part of the handling room 20, and the supply port 21 and the lifting device.
As shown in FIG. 2, the reference numeral 13 is deviated toward the side where the handling cylinder 3 descends and turns, and is located near the rear portion of the supply port 21 and on the handling cylinder 3 side.
As shown in FIGS. 1 to 3, a plate-like guide member 21a that is inclined downward toward the side where the handling cylinder descends downward is fixed to the side where the upward rotation of the guide member. 21a is wrapped around a part (rear side) of the top plate 20a of the handling room and the lower surface of the terminal end of the scraping device 47, which will be described later.
The part where the lower part turns downward is curved in plan view
A guide plate 50a that has entered the inside of 20 is provided.

The blower windmill 22 arranged at the lower front portion of the threshing device 5 and the suction windmill 23 mounted on the outer rear side form a sorting wind passage extending from the lower portion of the net 24 of the handling chamber 20 to the rear portion of the dust collection chamber 25. And
An oscillating sorting body 26 is erected in the sorting air passage so as to oscillate back and forth, and the oscillating sorting body 26 is a rough sorting section including a large number of fins.
27, a transfer plate 28 provided in the lower part thereof, a first sorting net 30 facing the first gutter 29, and a second sorting part 32 including a straw rack and the like facing the second gutter 31. The processing chamber 34, whose front portion communicates with the dust inlet 33 on the rear side of the handling chamber 20 and extends rearward, has a processing net 35 and a transfer spiral on the outer periphery.
A processing cylinder 38 having a processing tooth 36 and a processing tooth 37 is rotatably mounted inside.

Further, on the outer peripheral surface of the handling cylinder 3, a transfer spiral 40, a large number of handling teeth 41, ..., and a side surface of the transfer spiral 40 are provided with projecting rods 42. Protrusions 42a are provided at various places on the outer periphery, and at the end of the transfer spiral 40, the transfer spiral 40 is bent rearward or is welded to a plate parallel to the shaft core, and is a throwing plate corresponding to the dust delivery port 33. 43 is provided.

Further, the upper end of the bottom plate 14 of the lifting device 13 and the front wall 20 of the handling chamber 20.
a The upper end is connected with the guide bottom plate 45, and the rear end is made to enter the front part of the handling chamber 20 as the descending inclined part 45a so that the stalk supplied covering the starting end of the transfer spiral 40 is pulled to the starting end of the transfer spiral 40. In order to prevent the hanging, from the upper end of the lifting conveyor 16 through the guide bottom plate 45 to the supply port 21, a large number of scraping plates 46 in which the rear side is long in a pair of left and right chains.・ A scraping device 47 is provided, and an elastic body 48 such as a rubber plate bent in a U shape or a synthetic resin plate having flexibility is provided on the opposing surfaces of the adjacent scraping plates 46, 46. Screw the base of to prevent the grain from scattering from the scraping plate 46 ..
At the front part of the cover 50 that covers the upper surface of the scraping device 47, a rubber plate or a flexible elastic plate 52, whose lower part overlaps with the upper surface of the lifting cover 51, is hung vertically. The weight of
By attaching 52a, it is possible to more surely prevent the scattering of grains, the flexible plate 18a or the brush 11a is attached to the long protruding portion of the scraping plate 46, and the tip thereof slides on the upper surface of the guide bottom plate 45. Then, the cut matter is swept into the handling room 20.

7 to 8 show a connecting portion between the bottom plate 14 of the lifting gutter 15 and the guide bottom plate 45, and when the reaper and the lifting device 13 are moved up and down, the pretreatment frame 7 moves the horizontal shaft 6 Since it rotates about the center, as shown in FIG.
In order to deal with the expansion and contraction of the space by mounting 55 and mounting the rear part on the guide bottom plate 45, the example shown in FIG. 8 (a) is constructed by connecting the guide bottom plate 45 with the flexible plate 55. Yes, (b) is the one in which the guide bottom plate 45 and the bottom plate 14 are connected by the flexible plate 55. In the connection method, when the pretreatment frame 7 is rotated downward, it is in the state shown by the solid line, and when it is raised, it is as shown by the dotted line. Bend upwards.

In the above-mentioned combine, wheat or beans are often cultivated in ridges, and when harvesting them, when the ridges are ridged, a cutting device is used so that the cutting blade 9 cuts the stem at the top of the ridges. Mow while adjusting the height.

The cut material is transferred to the center side by the left and right augers 12, 12, and the fingers 11 ...
16 conveys the cut matter by its transfer piece 18 ... And slides it on the bottom plate 14 and lifts it. In the meantime, soil and small stones scooped up by the cutting blade 9 at the time of harvesting and having a diameter smaller than the grain leaks out from the mesh or small holes of the shutter 14b and is removed.
The grains and stems that have been pumped to the upper end are pushed up onto the guide bottom plate 45, and the scraping plates 46, ... Of the scraping device 47 scrape backward and drop into the supply port 21.

At this time, the elastic body 48 described above receives the scraps and grains thrown by the eccentric force of the handling teeth 41 of the handling barrel 3 and prevents them from scattering from the scraping plate 46. Grow comfortably in the line,
In particular, at the rear end, even if the grain is sandwiched between the scraping plate 46 and the elastic body 48, it falls off due to the elongation and is returned to the handling chamber 20.

When the object to be processed drops into the handling chamber 20 from the supply port 21, the supply port 21 is deviated to the side in which the handling cylinder 3 descends and rotates as described above, and therefore the handling teeth 41 at the same time when it falls. .. will be hooked and scraped downward, and the object to be processed will not stagnate in the supply port 21, and the handling barrel 3 will perform threshing processing by the handling teeth 41. However,
On the handling barrel 3, the object scraped by the handling teeth and the cut material scraped by the scraping device 47 do not interfere with each other, but the scraping rod 42 or the raised portion 42a hooks it. While scraping and handling cylinder 3 is rotated, it is disengaged from the scraping rod 42 and the like due to the eccentric force and the transfer action of the transfer spiral 40, and the transfer spiral 40 sequentially moves the object to be processed backward to handle it. In the rear part of the chamber 20, the handle teeth 41, ... And the throwing plate 43, which are planted in that part, give a centripetal force to the object to be processed, whereby the stalk waste containing some grains is sent to the dust inlet 33.
To the processing chamber 34, where it is reprocessed by the processing cylinder 38, small debris and grains leak from the processing net 35, and the debris is discharged from the discharge port at the rear end toward the suction windmill 23.

Further, the scraping plate 46 of the scraping device 47 turns upward at the rear end and then moves forward, but the guide member 21a lowers the grain removed by the scraping teeth by the scraping barrel 3 obliquely below. Since the soybeans are guided to the rotating side, soybeans and the like are not scraped up by the trailing end traveling part of the scraping device 47 and carried out forward, and the processed material that has repulsed in the handling chamber 20 is rearward of the cover 50. And then guided by the guide plate 50a to the outside slightly in the front and falls downward.

Further, the objects to be sorted containing the grains leaked from the receiving net are sieve-sorted by the coarse sorting unit 27 of the swing sorting body 26, and the leaked substances are further transferred by the transfer plate 28.
It is transferred to the rear and is screened by the first selection net 30 and is wind-selected, and the first transfer helix and the lifting cylinder in the first receiving trough 29 are the fine grains dropped into the first receiving trough 29. The objects to be sorted that have been carried out and moved from the end of the rough sorting section 27 and the first sorting net 30 to the rear side are subjected to sieve sorting and wind sorting in the second sorting section 32, and fall into the second trough 32. Then, the second product carried out to the side is returned to the vicinity of the start end of the rough sorting section 27 by the second thrower or the second lifting spiral cylinder, and the dust is sucked and discharged to the outside by the suction windmill 23.

(G) Effect of the Invention In the present invention, as described above, the lifting device 13 is arranged in the front part of the handling chamber 20, and the supply port 21 is provided on the upper surface of the front part of the handling chamber 20. A scraping device 47 extending from the end to the upper part of the supply port 21.
Since the guide member 21a is provided near the rear of the supply port 21 and on the side where the handling cylinder 3 is rotated upward, the guide member 21a is provided which is inclined downward and enters below the end of the scraping device 47.
The harvested product is thrown into the supply port 21 provided on the upper surface of the handling chamber 20 by the scraping device 47, and is forcibly scraped by the handling teeth protruding from the peripheral surface of the handling barrel 3. Rare, supply port 21
In the rear part, a guide member 21a protruding toward the side where the handling cylinder 3 descends while descending from the side where the handling body 3 rotates upward guides the grain removal scraped up by the handling teeth of the handling barrel 3 obliquely downward. The grain removal can be prevented from being carried out by the scraping device 47.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, and FIG.
(a) is a vertical side view of the combine, (b) is an enlarged side view of a part of the scraping device, (c) is a side view of the shutter, FIG. 2 is a vertical side view, and FIG. FIG. 4 (a) is a plan view of the rear part of the supply port, FIG. 4 (a) is a plan view of the mowing and lifting section, FIG. 4 (b) is a plan view of another example of the same as above, and FIG. 6 (a) is a cross-sectional view of the swab mounting portion, (b) is a front view of another example of the same, FIG. 7 (a), (b)
Is a cross-sectional view of the connecting portion between the upper part of the lifting device and the guide bottom plate,
FIG. 9A and FIG. 9B are sectional views of another example of the same. 3 ... Handling barrel, 5 ... Threshing device, 9 ... Cutting blade, 12 ... Auger, 13 ... Lifting device, 14b ... Shutter, 20 ... Handling room, 21 ... Supply port, 21a. Guide member, 26 ... rocking sorting body, 40 ... transfer spiral, 46 ... scraping plate, 47 ... scraping device, 48 ... elastic body

Claims (1)

[Scope of utility model registration request] 1. A lifting device 13 is provided in the front of the handling chamber 20, a supply port 21 is provided on the upper surface of the front of the handling chamber 20, and the end of the lifting device 13 is located above the feeding port 21. A scraping device 47 extending over
A combine threshing device, characterized in that a guide member (21a) is provided on the rear side of the supply port (21) and on the side where the handling cylinder (3) is rotated upward, and is inclined downward to enter below the end of the scraping device (47). .