JP2556065Y2 - Combine threshing equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a combine threshing apparatus for threshing grain culms that have been cut off at a cutting section at the front of the machine and supplied to a threshing section.

[0002]

2. Description of the Related Art A threshing section is provided at a front portion of a machine body, and a threshing section and a sorting section having a handling room are provided at the rear thereof. The device is already known.

[0003]

In the known threshing apparatus, the known threshing apparatus threshes a cereal culm supplied from a mowing unit with a handling cylinder having teeth handling shafts mounted in a handling room and a receiving net, and removes grains and straw chips. And the like are allowed to leak from the receiving net, and are separated into kernels and straw wastes at a sorting unit. The kernels are collected and the straw wastes and culms are discharged outside the machine. However, in this type of threshing apparatus, the whole harvested grain culm is supplied to the handling room as it is and threshed, and the grain culm is supplied to the handling room from a supply port below the front end of the handling cylinder, The threshing is performed by the rotating action of the teeth of the handling cylinder and the receiving net, but the gap between the teeth and the receiving net is almost constant over the entire circumference. Temporarily stagnant at the time of handover, the stagnated grain culm is rapidly taken over, threshing load increases and excessive power consumption is required, and when the gap is wide, separation of grain and straw waste or culm, etc. In other words, the threshing process is not completely performed, and there is occurrence of unthreshed ear-cutting grains or unprocessed grains, and the unthreshed grains are mixed with straw waste and culms and discharged outside the machine, resulting in a harvest loss. There are problems such as.

[0004]

SUMMARY OF THE INVENTION The present invention has been made based on the above-mentioned circumstances to solve these problems, and the technical measures taken by the present invention are as follows: In a threshing device that provides a threshing unit and a sorting unit having a handling room behind and a threshing process by supplying all the harvested grain culm into the handling room, a handling cylinder having a spiral processing body on the outer periphery is rotated. The handle is freely suspended and the handle cylinder is rotated below the front end of the handle cylinder.
A front portion opens a rectangular supply port toward the lower side in the direction, a guide plate formed in a semi-cylindrical shape connected to the supply port and reaching the rear portion, and the handling cylinder provided adjacent to the guide plate. configure the threshing chamber provided with受網along the threshing drum periphery over the entire length of a rotating downward side of the threshing drum has threshing drum and a gap of <br/> small and without the said受網, the The handling cylinder is eccentrically disposed downward and toward the supply port side with respect to the center of the receiving net so that a gap between the receiving net and the receiving net is gradually increased from a downward side toward an upward side. This can solve the above-mentioned problem.

[0005]

[Action] grain稈全amount that is elevating conveyed by Fi over Zehnder Cutting with reaper with the progress of the aircraft, is smoothly supplied into the threshing chamber from the supply port of the threshing chamber front provided immediately. The grain stalk supplied below the front end of the rotating handling cylinder in this way,
The downward rotation side of the spiral processing body of the handling cylinder, that is, the upward rotation side of the handling cylinder that is carried around by the spiral processing body at the portion where the gap between the spiral processing body and the guide plate is reduced, that is, the spiral processing body and the guide is threshing process the gap between the plate are sequentially supplied from the portion to atmospheric to force the inside threshing chamber. Furthermore, the gap between the receiving net and the spiral processing body over the entire length of the handling cylinder is also set to the downward direction in the rotation direction of the spiral processing body ,
Portion Chi, without the small at the supply side of the culms, forms a gap between the受網the large sequentially toward the upward side from the downward side, tighten made threshing action at small becomes part of the gap becomes large gap By unraveling straw chips and culms that are mixed with grains such as unhulled grain and untreated grains, unhulled grains are repeatedly threshed over the entire length of the handling cylinder. As a result, the grains are not mixed with the straw waste and the culm and are not discharged out of the machine, so that the occurrence of harvest loss is prevented and good threshing is performed.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 2, the combine C is disposed between a cutting unit 1 at the front located near the field scene G and a threshing unit 2 disposed at a high position behind the cutting unit 1. A feeder 3 that lifts and transports the grain stalks cut in the section 1 to the threshing section 2 is provided. The cutting unit 1 rotates the reel 4 for guiding the raised culm to the lower cutting blade 5 while rotating, and the feeder 3 while moving the cutting grain culm disposed behind the cutting blade 5 to the center side of the machine body.
And an auger 6 which is conveyed toward the starting end of the auger. The harvested grain culm conveyed by the feeder 3 is fed and supplied as it is to the starting end of the handling room 7 provided in the threshing unit 2 as it is.

[0007] In the handling chamber 7 of the threshing unit 2, a handling cylinder 9 having a front end formed in a conical portion 8 is rotatably supported, and a spiral processing body 11 is fixed around the handling cylinder 9. ing. The handling room 7 and the handling cylinder 9 are shown in FIG.
Is mounted on a shaft 10 inclined in a direction in which the rear side is upward by an angle θ in a side view, and the grain stalks conveyed from the end of the feeder 3 are transferred. On the front surface of the handling chamber 7, a supply port 13 is opened in a rectangular shape at an inlet plate 14 connected to the end of the feeder 3, and the supply port 13 is provided on the front end of the handling cylinder 9 to the lower left in front view , guide plate 15 forming the rear semi-cylindrical over the受網17 to be described later from the inlet plate 14 is provided, further, the front side plate 16 so as to form the upper edge of the supply port 13 is fixed. And the front side plate 1
The front end of the shaft 10 of the handling cylinder 9 is supported by 6 via a bearing 20. The rear end of the shaft 10 is
Are supported by the bearing 20a of the rear side plate 16a.

Further, the handling cylinder 9 is provided continuously with the guide plate 15.
The receiving network 17 is provided over the entire length of the receiving device. As shown in FIG. 3, reference numeral 22 denotes a partition wall that supports the rear end of the guide plate 15,
Bracket 2 arranged below partition wall 22 and handling room 7
A drive shaft 25 driven by a chain is supported by a bearing 3 via a bearing 24. A drive roller 26 is provided on the drive shaft 25, and support rollers 27 are supported at a portion facing the drive roller 26 with the receiving net 17 interposed therebetween.
These rollers 26, 27... Are provided with a receiving net 1 formed by extending a crimping net on a cylindrical net frame 17d.
7 has a ring rail 28 provided on the outer periphery thereof. The drive roller 26 is configured to drive the receiving net 17 in FIG. 1 in a direction (arrow B) opposite to the rotation direction of the handling cylinder 9 (arrow A) at a lower rotation speed than the rotation speed of the handling cylinder 9. So the handling cylinder 9
The helical processing body 11 and the receiving net 17 cooperate to promote the threshing action of the cereal stems that are fed from the end of the feeder 3 and supplied through the supply port 13, as well as the degranulated grains and straw. The debris leaks from the receiving net 17 and is separated into grains and straw debris by the separation unit 30. The grains are collected by the first grain transport spiral 36, and the straw debris is discharged outside the machine. The culm is discharged out of the machine from a discharge port 19 provided at the end of the handling room 7.
The sorting unit 30 includes a first fan 31 , a first swing transfer sorting plate 32 , a chaff sheave 33 , a second swing transfer sorting plate 34 ,
Second fan 35 , first grain conveying spiral 36 , third fan 3
7 , a second object conveying spiral 38 , and a straw rack 39.

As shown in FIG. 1, the rotating receiving net 17 is driven and supported by the driving roller 26 and the supporting rollers 27 which are supported by a shaft. The receiving net 17 is supported by the rollers 29 supported by the dampers 29a, and is configured to absorb vibrations caused by processing distortion of the receiving net 17 when the receiving net 17 rotates. In addition, the receiving net 1 of the cylindrical crimp net
In order to increase the size of a part of 7, for example, as shown in FIG. 5 and FIG.
a, or a punching plate system 17b in which a long hole 17c is punched out as shown in FIG. 7, so that the degranulated grains may easily leak.

The gap 18 between the spiral processing body 11 of the handling cylinder 9 and the receiving net 17 is small in the downward direction of the rotating direction of the handling cylinder 9 (arrow A), and is sequentially upward from the downward side. The gap 18a with the receiving net 17 is made larger , and the gap 18b with the receiving net 17 is the maximum gap at the opposite side of the shaft 10 facing the downward position. So that the handle cylinder 9 is moved downward and forward with respect to the center of the receiving net 17.
It is configured to be eccentric to the supply port 13 side . Accordingly, the threshing action is performed at the gap 18 and the gap 18 of the receiving net 17 rotating in the opposite direction (arrow B).
In the portion extending from “a” to the gap 18 b, straw chips and culms in which grains such as unshattered ear-cutting grains and untreated grains are mixed fall toward the spiral processing body 11 of the handling cylinder 9. Since the state becomes a state, the action of untangling the grains and the straw debris and the culm is sequentially repeated over the entire length of the handling cylinder 9, so that un-hulled grains are mixed with the straw debris and the culm. A threshing action is performed so as not to prevent the grains from being discharged outside the machine, and a favorable threshing treatment can be performed without generating a harvest loss.

As shown in FIG. 4, a gap 18c is formed between a double spiral 11a at the front end of the spiral processing body 11 of the handling cylinder 9 and a portion 15a where the rear part of the guide plate 15 is formed in a semi-cylindrical shape.
Is substantially the same as the gap 18 between the handling teeth 11b provided on the spiral processing body 11 and the receiving net 17, so that the feeder 3 is formed by the double spiral 11a of the spiral processing body 11.
It promotes the continuous transfer of grain culm conveyed by the fork, and forcibly supplies the culm to the handling room 7 forcibly and smoothly. The threshing load is stable and the required power can be maintained in a steady state. .

As described above , the supply port provided below the front end of the rotating handling cylinder 9 and closer to the downward side in the rotation direction of the handling cylinder 9.
Supplied culms than 13, a downward rotation side of the spiral processing body 11 threshing drum 9, the gap between the guide plate 15 and the spiral processing 11
Because it is in a small gap 18 between 18c and受網17,
In this gap 18c , the cereal stem is smoothly carried around by the spiral processing body 11, and the upward rotation side of the handling drum 9, that is, the spiral processing body 1
In a portion where the gap between the first and receiving nets 17 becomes larger in a successive manner, it is forcibly supplied into the handling room 7 and threshed. Further, a gap 18 between the receiving net 17 and the spiral processing body 11 over the entire length of the handling cylinder 9 is small on the downward side in the rotation direction of the spiral processing body 11, and the gap between the receiving net 17 and the receiving net 17 from the downward side to the upward side is small. The gap 18a is gradually increased, and the shaft 10 facing the downward position is sandwiched.
On the other side , the handle cylinder 9 is moved downward with respect to the center of the receiving net 17 so that the gap 18b with the receiving net 17 becomes the maximum gap.
In addition , since it is configured to be eccentric to the supply port 13 side , the gap 1
In the small part of No. 8, the grain shredding action is mainly performed, and in the large part from the gap 18a to the gap 18b, straw chips and culms in which grains such as unshattered ear cut grains and untreated grains are mixed. By performing both of the above actions over the entire length of the handling cylinder 9, no unhulled grains are mixed with straw chips and culms and discharged outside the machine, A good threshing process is performed by preventing the occurrence of harvest loss, and the threshing load is stable, so that the required power can be maintained in a steady state.

[0013]

As described above, the present invention provides a mowing unit 1 at the front of the body and a threshing unit having a handling room 7 at the rear.
In a threshing apparatus in which the 2 and the sorting unit 30 are provided, and the cut culm is supplied in its entirety into the handling room 7 and threshing is performed, the handling cylinder 9 having the spiral processing body 11 on the outer periphery is rotatably mounted on the shaft. Below the front end of the handling cylinder 9, the front part opens a supply port 13 having a rectangular shape toward the lower side in the rotation direction of the handling cylinder 9 , and is formed in a semi-cylindrical shape as it is connected to the supply port 13 and reaches the rear part. Information board
And 15, constitutes a threshing chamber 7 provided with受網17 along the threshing drum 9 outer periphery along the entire length of the threshing drum 9 and provided adjacent to the guide plate 15, in the direction of rotation downward side of the threshing drum 9 the gap 18 between the the threshing drum 9受網17 small bets without a gap 18a between the受網17 sequentially toward the upward side from the downward side so as to be larger, the receiving the threshing drum 9 It is characterized by being arranged eccentrically below the center of the net 17 and on the side of the supply port 13 so as to supply the grain culm from the cutting section 1 to the handling room 7 of the threshing section 2 immediately after. Perform smoothly, and furthermore, the handling cylinder 9 and the receiving net 1
7 is appropriately set in the gap 18... To promote the threshing action of the supplied cereal stalks, and to mix the threshing action and grains such as unshed ears and untreated grains. And the action of unraveling and removing the culm are repeated, so that unhulled grains are not mixed with straw chips and culm and are not discharged out of the machine. There is an effect of performing a threshing process.

[Brief description of the drawings]

FIG. 1 is a front view of a handling room.

FIG. 2 is a side view showing an outline of the combine.

FIG. 3 is a diagram showing a support structure for a front portion of a handling room and a receiving net.

FIG. 4 is a diagram showing a relationship between gaps in a front part of a handling room.

FIG. 5 is a front view showing another embodiment of the receiving network.

FIG. 6 is a side view showing another embodiment of the receiving network.

FIG. 7 is a main part diagram of another embodiment of the receiving network.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cutting part 2 Threshing part 7 Handling room 9 Handling cylinder 11 Spiral processing body 13 Supply port 15 Guide plate 17 Receiving net 18 Gap 18a Gap 30 Sorting part

Claims (1)

(57) [Scope of request for utility model registration] 1. A cutting section 1 is provided at a front portion of a fuselage, and a threshing section 2 and a sorting section 30 having a handling room 7 are provided at a rear portion thereof. In a threshing apparatus for threshing, a handling cylinder 9 having a spiral processing body 11 on the outer periphery is rotatably mounted on a shaft, and the handling cylinder 9 is disposed below a front end of the handling cylinder 9.
A supply port 13 having a rectangular front portion is opened toward the lower side in the rotational direction , and a guide plate 15 formed in a semi-cylindrical shape is provided continuously with the supply port 13 and reaches the rear portion, and is provided adjacent to the guide plate 15. A receiving net 17 is provided along the outer periphery of the handling cylinder 9 over the entire length of the handling cylinder 9 to form the handling chamber 7. On the downward side in the rotation direction of the handling cylinder 9, the handling cylinder 9 and the receiving net 17 are the gap 18 small Sorted Do <br/>, a gap 18a between the受網17 sequentially toward the upward side from the downward side so as to be large, the threshing drum 9 in the center of the受網17 A threshing device for a combine, which is disposed eccentrically below and below the supply port 13 .