JP3586068B2 - Second threshing cylinder of threshing machine - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a second threshing cylinder of a threshing machine.
[0002]
[Prior art]
Conventionally, threshed threshed in a handling room is sorted into a rocking sorter to collect the first thing, and the second thing is reduced to a rocking sorter through a return port from a No. 2 fryer and re-used. A threshing machine that performs a sorting process is already known.
In addition, the second fryer is provided so that a spiral plate having a discharge blade facing the reduction port is rotatably driven by winding a spiral plate around a spiral shaft in a cylindrical cylindrical body.
[0003]
[Problems to be solved by the invention]
However, the above-mentioned conventional No. 2 fried cereal cylinder merely reduces the No. 2 product by a spiral in the cylinder and reduces it. When a large amount of No. 2 produced during threshing is reduced and returned, this No. 2 material is conveyed in a nodular form. There is a problem that it is difficult to perform good sorting by being returned to the swing sorter as it is.
[0004]
[Means for Solving the Problems]
The present invention has been made in order to solve the problems of the conventional apparatus, and a second fryer cylinder provided with a spiral body rotatably provided in a cylindrical body is provided with a second gutter of a threshing machine. A threshing machine which is provided between the return port and the second material fed from the second gutter to return to the sorting unit in the threshing machine 1 through the second fryer and the return port, A processing chamber is formed between the spiral body and a bulging wall which is bulged by a predetermined range in the circumferential direction at a part of the cylinder of the second fried grain.
[0005]
Further, the bulging wall is formed of a gentle slope wall on the lower side in the lifting direction and a steep slope wall on the upper side in the lifting direction. Further, a processing piece is provided on a portion of the working surface of the spiral body facing the bulging wall.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a second lifting cylinder of a threshing machine according to the present invention will be described with reference to FIGS.
In FIG. 1, reference numeral 1 denotes a threshing machine that can be mounted on a combine or the like. The threshing machine 1 has a handling cylinder 2a rotatably supported and a receiving net 2b provided along the handling cylinder 2a. A processing chamber 3 including a processing cylinder 3a and a crimping net 3b connected to the end of the processing chamber 2 and a blower fan 4a and a haori In the sorting air path 4 formed by the fan 4b, there is provided a swing sorting body 5 (sorting portion) that swings in the front-rear direction to swing and sort threshing.
[0007]
The swing sorter 5 includes a swing flow plate 5a located on the front side below the receiving net 2b below the handling room 2, a chaff sheave 5b connected thereto, and a sorter arranged below the chaff sheave 5b. It comprises a sorting body 5S composed of a net 5c, a flow plate 5d obliquely provided below the sorting net 5c, and a straw rack 5e projecting rearward from the end of the flow plate 5d.
[0008]
A first spiral 7b is rotatably provided below the swinging sorting body 5 in a horizontal first gutter 7a having a structure similar to that of the conventional apparatus, and a first spiral 7b is provided at a shaft end in the transfer direction. The selected first product is stored in the grain tank 1T by the fryer cylinder 7c.
Further, as shown in FIG. 2, a second spiral 71 is rotatably provided in a horizontal second gutter 70, and a transmission portion 72 formed at a shaft end in a transport direction thereof has a second spiral 71 which will be described in detail below. The helical body 10 in the transfer tube 9 (the second product return tube) is configured to be rotationally driven, and the second product processed during the unloading from the discharge port (reduction port) 90 opened at the upper end thereof is described above. The rocking sorter 5 is configured to be released and reduced toward the chaff sheave 5b.
[0009]
That is, as shown in FIG. 2, the second fryer cylinder 9 is attached between the second gutter 70 and the return port 90 along the threshing machine wall 1a. As shown in FIG. 4, a fixing portion A fixed to the threshing machine wall 1a side and provided with a resistance piece 94 described later, and a lid portion B having a bulging wall 93 attached to the fixing portion A by an attachment member C. The lower side of the second reduction cylinder 9 is a supporting cylinder portion 91 and the upper side thereof is a processing cylinder portion 92.
[0010]
The lower shaft end of the helical shaft 11 of the helical body 10 is drivably supported on a transmission case 91 a provided below the support cylinder 91, and the upper shaft end is provided on the upper wall 92 a of the processing cylinder 92. It is supported by the metal part 92b.
The helical body 10 has a helical plate 11 wound around a helical shaft 11 formed of a twisted plate similar to that of the conventional device, and is fixed to the helical body 11.
[0011]
The helical plate 12 is provided with a processing piece 15 having the following plate shape at a predetermined interval on a helical surface on the transfer direction side in at least a vertical length range of a bulging wall 93 of a processing cylinder 92 described later. A plurality is provided radially.
As shown in FIG. 3, the processing piece 15 has a narrow piece 15 a having a low height h on the side of the spiral shaft 11 from the middle part in the length in the radial direction, and has a higher side on the side reaching the outer periphery of the spiral plate 12. It is formed of a plate-shaped piece serving as a wide piece 15b having a height H.
[0012]
Next, with reference to FIGS. 2, 3 and 4, the details of the structure of the processing cylinder 92 of the second-numbered grain cylinder 9 will be described.
The processing cylinder 92 has a bulged wall 93 formed by bulging a middle part on the outer side of the machine body to a predetermined height in the circumferential direction in a side view, and the bulged wall 93 is slightly inclined downward. The processing chamber 9 </ b> S is formed by a wall that forms a wide space between the wall 93 a, the steeply inclined wall 93 b on the upper side, and the outer periphery of the spiral body 10.
[0013]
The range of the bulging wall 93 is in the range of about 1/3 to 1/2 in the circumferential direction, and the height of the bulging portion is about 1/5 to 1/3 of the radius. The angle of the gently inclined wall 93a is 5 to 15 degrees, and the angle of the steeply inclined wall 93b is 30 to 40 degrees.
Further, the processing cylinder 92 is formed along a peripheral wall from the machine side facing the bulging wall 93, and a resistance piece 94 formed of a linear member having a rectangular cross section and curved into a ridge is provided at the transfer pitch of the spiral body 10. And are fixed at substantially equal intervals. As shown in FIG. 3, the resistance piece 94 is inclined in the opposite direction to the twisting direction of the spiral plate 12 of the spiral body 10 and at an angle θ with the spiral surface. In addition, it can be said that the resistance piece 94 forms a part of a spiral in a direction opposite to the spiral of the spiral body 10.
[0014]
With the above-described configuration, the threshing machine 1 including the second deep-frying cylinder 9 of the present invention threws the harvested culm by the handling cylinder 2a in the handling room 2 and swings the threshed threshed by the rocking sorter 5 , And threshing work can be continuously performed while discharging the culm to the outside via the feed chain 2F and the culm chain 2H.
In addition, of the threshed that has been sorted out as described above, the first one is stored in the grain tank 1T via the first gutter 7a and the fryer cylinder 7c. On the other hand, the second product is fed from the second gutter 70 to the second fryer cylinder 9 as shown in FIG. As a result, it is reduced and released onto the oscillating sorter 5, and the sifting by the oscillating sorter 5 is smoothly processed without imposing excessive force.
[0015]
In other words, the second product fed to the second fryer cylinder 9 is quickly lifted in the support cylinder 91 with the rotation of the spiral body 10, so that the transfer from the second gutter 70 is reliably performed. Is
The second product to be pumped is subjected to a pressure relaxation effect by a gentle inclined wall 93a gradually expanding upward forming a bulging wall 93 in the processing tube 92, and the spiral plate 12 of the spiral body 10 And the processing piece 15 provided on the operation surface is rotated outwardly by the rotation of the processing piece 15 and the centrifugal force accompanying the rotation.
[0016]
Therefore, the second product (the second product of the baby nodule) that is pumped in the processing cylinder 92 in the form of a baby nodule is gently and gradually in the processing chamber 9S formed between the bulging wall 93 and the spiral body 10. Unraveling can be performed.
Accordingly, in the processing chamber 9S bulging out of the processing cylinder 92, the second product in the lump state is given a buffering action and a loosening action so as not to be clogged. Good separation of debris and grains can be achieved.
[0017]
Further, the steeply-inclined wall 93b formed on the upstream side of the processing chamber 9S provides a braking action so as to suppress the unprocessed second article in the processing chamber 9S from being lifted. The loosening process is further promoted between them.
Further, the processing pieces 15 radially provided on the working surface of the spiral body 10 stir and loosen the second object on the working surface and vigorously throw it outward in the outer circumferential direction, so that the loosening process by the rotation and the stay is efficiently performed. Can be performed.
[0018]
As shown in the illustrated example, the processing piece 15 is formed with a narrow piece 15a on the helical shaft 11 side and a wide piece 15b connected to the tip on the tip side, so that the processing piece 15 has a stepped shape. The second object is allowed to freely move over the narrow piece portion 15a on the side of the helical shaft 11 having a small diameter, thereby preventing winding around the helical shaft 11 and excessive rotation resistance. Then, stirring and throwing are performed at the wide piece portion 15b at the tip portion having a large centrifugal force, so that the loosening process can be performed favorably with the processing cylinder 92.
[0019]
The resistance piece 94 protruding from the inner wall of the processing cylinder 92 gives a resistance in the lifting direction to the second object to be lifted by the spiral body 10 and regulates the upward movement. By taking a sufficient time between the mixture and No. 12 to carry out the loosening treatment of the second product, it is possible to satisfactorily separate the sled and the branch stalks into single grains.
In this case, as shown in FIG. 3, the resistance piece 94 provided on the inner surface of the processing tube 92 is projected in such a manner as to be inclined in a direction opposite to the spiral direction of the spiral body 10 opposed thereto, and the second object moves upward. This can be further restricted, and the second material is favorably unraveled between the intersection of the resistance piece 94 and the spiral plate 12 to promote the unification of the grains in the second material. Is what you can do.
[0020]
Therefore, the second material in a wet or dusty state is satisfactorily unraveled without causing clogging or the like in the second fried grain 9, and the re-sorting by the swing sorter 5 is performed smoothly. be able to. In addition, there is an advantage that the length of the second fried grain cylinder 9 can be freely set.
[0021]
【The invention's effect】
In the second-floor grain, the second product to be fed stays in the processing chamber formed between the spiral wall and the bulging wall bulging a predetermined range in the circumferential direction in the middle of the processing cylinder. By promoting the rotation and performing the stirring action, it can loosen and spread the branch shoots and ear cuttings, and can make the grains into single grains and release them from the reduction port to the sorting section. Sorting of the reduced second product can be efficiently performed, thereby improving the performance of the threshing machine.
[0022]
At this time, the second product is discharged from the reduction port to the sorting unit in the state where the agitation action accompanying the rotary lifting is gradually applied to the gently inclined wall formed in the processing chamber to make the grains into single grains. As a result, it is possible to satisfactorily sort the second product returned to the sorting unit, thereby improving the performance of the threshing machine.
Also, at this time, the second product is gradually loosened and spread while promoting the agglomeration of grains by gradually imparting the stirring action associated with the rotating and unloading in the gently inclined wall portion formed in the processing chamber. The steeply inclined wall formed in the room can prevent the second product being processed from being unloaded and discharged.
[0023]
In addition, by providing the spiral with a treatment piece, the rotation and loosening and diffusion of the second product are promoted to separate the refuse and the grain, so that good treatment can be performed.
[Brief description of the drawings]
FIG. 1 is a side sectional view of a threshing machine according to the present invention.
FIG. 2 is a front sectional view of a No. 2 deep-fried grain cylinder.
FIG. 3 is a side sectional view showing a main part of a processing cylinder.
FIG. 4 is an exploded perspective view showing a processing tube.
[Explanation of symbols]
DESCRIPTION OF REFERENCE NUMERALS 1 threshing machine 2 handling room 5 swing sorting body (sorting section) 9 2nd graining cylinder 9S processing chamber 10 spiral body 11 spiral shaft 12 spiral plate 13 discharge blade plate 15 processing piece 15a narrow piece section 15b wide piece section 70 2nd gutter 90 reduction port 91 support cylinder 92 processing cylinder 93 bulging wall 93a gentle slope wall 93b steep slope wall 94 resistance piece

Claims (3)

A second fryer cylinder 9 in which a spiral body 10 is rotatably housed in a cylindrical tubular body 9a is provided between a second gutter 70 of the threshing machine 1 and a return port 90, and is fed from the second gutter 70. In a threshing machine in which the supplied second product is returned to the sorting section 5 in the threshing machine 1 through the second fryer cylinder 9 and the return port 90,
A threshing machine 2 in which a processing chamber 9S is formed between the spiral body 10 and a bulging wall 93 bulging a predetermined range in the circumferential direction is provided in a part of the cylinder 9a of the second graining cylinder 9 in the middle. A lift cereal tube. The second threshing cylinder of the threshing machine according to claim 1, wherein the bulging wall 93 forms a gentle inclined wall 93a on the lower side in the lifting direction and a steeply inclined wall 93b on the upper side in the lifting direction. The second threshing cylinder of the threshing machine according to claim 1 or 2, wherein processing pieces (15) are radially arranged on the working surface of the spiral body (10) at a position facing the bulging wall (93).

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