JPH0438677Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a processing rotor for a threshing device, and more particularly, to a processing rotor that mainly processes grains mixed with straw that cannot be threshed in the handling cylinder.

(Prior Art) Various methods have been devised as means for reducing No. 3 loss in threshing equipment, and one of the prior art techniques involves a sorting device that swings along the axial direction of the handling barrel in the lower part of the handling chamber. The dust exhaust port at the rear end of the processing chamber and the adjacent No. 4 socket are connected to the upper part of the screening air path, and the processing chamber formed at the rear of the communication point is , by providing a processing cylinder (processing rotor) having an axis horizontally disposed orthogonal to the processing cylinder axis and a cross-flow fan across the width direction of the sorting air passage, the dust exhaust port and the adjacent four The material to be processed from the number receiving port and the material to be processed at the end of the sorting device are reprocessed in the processing cylinder, and waste straw and dust are discharged outside the machine by a cross-flow fan (actual application). No. 1984-49434).

Further, as in Utility Model Application No. 1983-5909, an application has been filed in which a spiral-shaped stirring blade with stirring claws on the outer periphery is provided as a processing cylinder.

(Problem to be solved by the invention) However, in the conventional spiral-shaped bladed treatment cylinder, two spiral blades are successively wrapped several times around the outer periphery of one cylindrical body having a predetermined length. However, not only is the processing cylinder very complicated and troublesome to manufacture, but it also has the problem that its length cannot be adjusted to an arbitrary length.

The present invention forms a plurality of segmented rotors with spiral blades that are connectable and easy to manufacture, and by selecting the number of segmented rotors to be connected, a processing cylinder of a desired length can be easily obtained. It is possible to prevent straw from being caught or wrapped around the joint portion of the spiral blades in the divided rotor, and when the divided rotors are connected, the spiral blades of each divided rotor can be made continuous; Furthermore, there is no restriction on the order in which the divided rotors are assembled to the drive shaft, and even if any divided rotor is located on the side plate side of the processing chamber, the end plate Installation can be made possible. It is an object of the present invention to provide a processing rotor for a threshing machine.

(Means for Solving the Problems) The present invention includes a drive shaft 40, a cylinder 32 having a boss portion 31 supported on the drive shaft 40,
It consists of a plurality of divided rotors 30 having spiral blades 34 disposed on the outer periphery thereof and having conveyance claws 33 on the periphery, and recessed portions 35a and convex portions 35b at both ends of the cylindrical body 32 in these divided rotors 30. The helical blades 34 of each divided rotor 30 are made continuous by the engagement of the engaging parts 35 of each divided rotor 30, and the cylindrical body 32 of each helical blade 34 is A covering piece 36 is provided on one end surface in the length direction to cover the joint between adjacent spiral blades 34, and an end plate 39 is provided at the other end in the length direction of the cylindrical body 32 of each spiral blade 34.
A mounting portion 38 for mounting is provided.

(Function) Therefore, the engaging portion 35 of one divided rotor 30
By engaging the engaging portion 35 of another split rotor 30, both rotors 30 can be connected, and
By selecting the number of these divided rotors 30 to be connected, it is possible to adjust the processing rotor to a desired length, and when connecting the divided rotors 30,
The helical blades 34 of each of the divided rotors 30 are made continuous by the engagement of the engaging portions 35 of each of the divided rotors 30, and the joint portions of the helical blades 34 are covered by the covering pieces 36, so that each of the divided rotors 30 This prevents straw, etc. from getting caught or wrapped around the seam during rotation.

Further, since the engaging portions 35 are provided on both sides, there is no restriction on the order in which each divided rotor 30 is assembled to the drive shaft 40, and each divided rotor 30 is provided with a mounting portion 38 for attaching the end plate 39. Therefore, the end plate 39 can be attached no matter which of the divided rotors 30 is located on the side plate side of the processing chamber.

(Example) Next, to explain the example of the present invention, the sixth, seventh,
In Fig. 8, reference numeral 1 indicates a machine frame of the threshing machine, and a handling cylinder 3 is arranged in a handling chamber 2 defined inside the machine frame 1 so that its handling cylinder axis 4 is horizontal. On one side of the machine frame 1, there is a handling port 7 connecting between the grain culm supply port 5 of the handling chamber 2 on the front end side of the handling barrel 3 and the empty grain culm discharge port on the rear end side.
A feed chain 6 is installed along the feed chain 6, and the tip of the grain culm, whose stock part is pinched by the feed chain 6, is fed to the lower circumferential surface of the handling barrel 3, so that it is constructed in a so-called underhandling type.

A crimp net 9 is installed in the lower part of the handling chamber 2 except for the dust outlet 8 at the lower rear end of the handling chamber.

The oscillating sorting device 10 is disposed in a sorting air passage 11 formed at the bottom of the handling chamber 2 and has a width that is approximately the same as the left-right width of the handling chamber, and swings back and forth along the 4-direction of the handling cylinder axis of the handling cylinder 3. The device 10 includes a feed pan 12 that slopes diagonally downward from the bottom of the crimp net 9 toward the rear, and a feed pan 12 that extends from the rear end of the feed pan 12 toward the dust outlet 8 or the rear thereof. a chaff sheave 14 arranged diagonally upward;
It consists of a stroke rack and a sieve wire 15 extending rearward at its rear end, and the sieve wire 15 is configured such that its rear end side can be vertically swung from outside the machine.

At the bottom of this swing sorting device 10, there is a Karaoke fan 17 which blows the wind toward the processing chamber 16 after passing through the grain sieve 13.Then there is a No. 1 screw conveyor that receives the leakage from the grain sieve 13. A No. 1 receiving gutter 18 with a screw conveyor and a No. 2 receiving gutter 19 with a No. 2 screw conveyor are provided, and the No. 2 receiving gutter 1
At one end of 9 is the No. 2 reduction thrower 2 connected to this.
0 is provided, and a No. 2 return thrower 2 is installed on one side of the machine frame 1.
No. 2 reduction thrower passage 2 communicating from 0 to handling room 2
form 1.

The processing chamber 16 is formed above the second receiving trough 19 and the sieve wire 15, and the rear end of the processing chamber 16 is closed with the rear cover body 22 of the machine frame 1.
The front plate 24 of the top plate 23 of No. 6 is arranged to be inclined downward toward the dust exhaust port 8 at the rear end of the handling chamber 2 at the lower part of the straw removal chain 25 connected to the rear end of the feed chain 6, and is connected to the No. 4 receiving gutter. A No. 4 socket 27 is opened at the lower end of this front plate 24 adjacent to the dust exhaust port 8.

Therefore, the processing chamber 16 communicates with the dust exhaust port 8, the No. 4 socket 26, and the upper rear end of the sorting device 10.

One side plate 22a in this processing chamber 16
A suction port 27 is opened on the side near the side of the machine frame 1 where the feed chain 6 is arranged, and a suction blower 29 is provided in a case 28 provided outside the suction port 27.
Air is exhausted from the air exhaust port 28a of the case 28 to the rear outside of the machine.

A processing rotor, which will be described later, is installed in the processing chamber 16 so that its axis is perpendicular to the handling cylinder shaft 4 and is substantially horizontal. It is installed so that the rear side rotates upward in the same direction as the rear side.

Therefore, the present invention provides a processing rotor disposed as described above, which includes a drive shaft 40, a cylindrical body 32 having a boss portion 31 supported on the drive shaft 40, a cylindrical body 32 disposed on the outer periphery of the cylindrical body 32, and a peripheral edge. A plurality of divided rotors 30 each having a spiral blade 34 having a conveyance claw 33 are formed, and the cylindrical body 32 in these divided rotors 30 is
An engaging portion 35 consisting of a concave portion 35a and a convex portion 35b is formed at both ends of the rotor, and the engagement of the engaging portion 35 of each divided rotor 30 connects the spiral blades 34 of each divided rotor 30. Each spiral blade 34
A covering piece 36 that covers the seam between adjacent and continuous spiral blades 34 is provided on one end surface in the length direction of the cylinder body 32, and a covering piece 36 is provided on the other end side in the length direction of the cylinder body 32 of each of the spiral blades 34. A mounting portion 38 for mounting the end plate 39 is provided at the end plate 39.

Specifically, as shown in FIGS. 1 to 5, the cylindrical body 32, the conveying claw 33, the spiral blade 34, and the covering piece 36
are integrally molded to form the split rotor 30, and during this integral molding, a mounting plate 37 having the boss portion 31 is formed at one end of the cylindrical body 32,
An engaging portion 35 is formed on the outer peripheral portion of the mounting plate 37 and the other end of the cylinder 32 by a recess 35a and a protrusion 35b, and a gear-shaped locking groove is formed on the outer surface of the central portion of the mounting plate 37. 37a is formed. Furthermore, two spiral blades 3 having a phase angle of 180° are arranged on the outer periphery of the cylinder 32.
4 and 34 protrude in a half-turn spiral shape, and conveyance claws 33D are provided protrudingly on the periphery of the intermediate portion in the length direction of each of these spiral blades 34 and 34 and the end portion on the side of the mounting plate 37, and Covering pieces 36, 36 are integrally formed to cover the joints between the spiral blades 34, 34 and the adjacent spiral blades 34, 34 on the mounting plate 37 side.

The drive shaft 40 has a support cylinder 41 having a smaller diameter than the inner diameter of the cylinder 32 fixed to the side plate 22b of the processing chamber 16 via a support member 41, as shown in FIG.
a, is rotatably supported via bearings 42, 42a, a pulley 43 is provided at the outer end of the drive shaft 40, and the pulley 43 is connected to a power transmission system,
At the inner end, a mounting portion 40a having a substantially oval cross-section and a screw hole 40b are formed at the center of the mounting portion 40a, and a through hole 44a that fits into the mounting portion 40a is provided. A transmission body 44 having an engaging protrusion that engages with the locking groove 37a is formed, and the transmission body 44
A mounting bolt 45 is provided in the threaded hole 40b to be press-locked into the locking groove 37a of the mounting plate 37.

When a plurality of divided rotors 30 are inserted and assembled on the outer periphery of the drive shaft 40, a part of the support cylinder 41a is inserted into the inside of the cylinder 32 of the divided rotor 30 on the side plate 22b side of the processing chamber 16, The support tube 4
The boss portion 31 is brought into contact with the bearing 42 of 1a,
While preventing the cylindrical body 32 from moving toward the side plate 22b, the threaded hole 40b of the mounting bolt 45 is
By screwing the transmission body 44 into the suction blower 2
The drive shaft 40 and the suction blower 29 side split rotor 30 and the adjacent split rotors 30 and 30 are integrated by pressing and locking into the locking groove 37a of the mounting plate 37 of the 9 side split rotor 30, and the drive shaft 4
0 rotation is transmitted to the divided rotor 30 on the suction blower 29 side via the transmission body 44, and each divided rotor 30
He is trying to transmit rotational force to each adjacent divided rotor 30 by the engagement of the engaging parts 35 of .

Further, a cylindrical attachment part 38 having a screw hole is integrally formed at the end opposite to the covering piece 36 of the spiral blade 34, so that the attachment part 38 of the spiral blade 34 located on the side plate 22b side A disc-shaped end plate 39 having a through hole that can be inserted into the outer periphery of the cylindrical body 32 is fixed with screws 39a, while a cylindrical body 46 surrounding the outer periphery of the end plate 39 is provided on the inner surface of the side plate 22b. The cylindrical body 46 and the cylindrical body 39 are configured to prevent straw waste and the like from entering between the cylindrical body 32 and the support tube 41a.

Since the present invention is constructed as described above, when threshing work is carried out, the grain culm whose root portion is held and conveyed by the feed chain 6 is threshed in the handling chamber 2, and is discharged from the empty grain culm discharge port at the rear end of the handling chamber. Then, the straw is transferred to the straw removal chain 25 above the No. 4 socket 36 and discharged to the rear of the machine frame 1.

The handling room 2 is used for threshing, and the threshed grains leaked through the crimp net 9 are sent to the chaff sheave 14 of the swing sorting device 10,
The grains are oscillated and sorted by the grain sieve 13, and at this time, they are also subjected to wind sorting by the wind blown up from the Karachi fan 17, and the fine grains are collected in the first receiving trough 18.

The objects to be processed, such as grains with branches and stalks on the shaking sorting device 10, waste straw mixed with grains from the dust outlet 8 at the rear end of the handling chamber, and grains from the No. 4 socket 26 are shaken. As the dynamic sorting device 10 swings, the grains are fed onto a sieve line 15 extending rearward at the rear end, and fall into the first receiving trough 18 under the sieving action. The material that cannot be completely processed by the sieve line 15 is immediately taken into the lower circumferential side of the processing rotor located above it due to the cooperation with the wind from the screw winnowing fan 17, and as it rotates, the spiral blades 34 of the processing rotor , 34, the material to be processed is loosened, and the grains therein are transferred to No. 2 receiving gutter 1.
9 and is returned to the handling room 2 via the No. 2 return thrower passage 21. On the other hand, light materials such as waste straw pass through a suction blower 29 from a suction port 27 opened in the side plate 22b of the processing chamber 16 on the opposite side from where the processing rotor is placed, and are discharged outside the machine from an exhaust port 28a of the case 28. It is ejected backwards.

When the processing rotor stirs and transports the object to be processed, a transport claw 3 is attached to the periphery of the spiral blade 34.
3, it is possible to reliably stir and transport even grains such as wheat with a slippery surface, and the stirring claws 33 are integrally formed with the spiral blades 34. Therefore, the conveyance claw 3
It is possible to prevent straw etc. from being wrapped around the material 3, and the conveying effect can be improved.

Furthermore, when connecting the divided rotors 30, 30, the covering piece 36 covers the joint portion of the spiral blades 34, thereby preventing the straw from being drawn to the joint portion in the rotational direction of the divided rotor 30 and being rolled up. This can prevent sticking.

Furthermore, when connecting the divided rotors 30, since the engaging portions 35 are provided at both ends of the cylindrical body 32 of the divided rotors 30, there is no restriction on the order in which the divided rotors 30 are combined with the drive shaft 40. Furthermore, since each divided rotor 30 is provided with an end plate 39 and an attachment mounting portion 38, no matter which divided rotor 30 is located on the side plate 22b side of the processing chamber 16, the end plate 39 As shown in the embodiment of FIG. 1, in combination with the cylindrical body 46 provided on the side plate 22b of the processing chamber 16, it is possible to prevent straw waste from entering.

Furthermore, since the split rotor 30 can be integrally molded using a lightweight material such as synthetic resin, it is possible to reduce the weight, reduce vibration during rotation due to cantilever support on the drive shaft 40, and reduce costs. It can be measured.

The divided rotor 30 described above may be used, for example, as shown in FIG.
It can also be applied to 2.

(Effects of the Invention) As described above, the present invention includes a drive shaft 40, a cylindrical body 32 having a boss portion 31 supported by the drive shaft 40,
A conveying claw 33 is disposed on the outer periphery of the cylinder 32, and a conveying claw 33 is provided on the periphery.
It consists of a plurality of divided rotors 30 each having a spiral blade 34 with a concave portion 35a and a convex portion 35 at both ends of the cylindrical body 32 of these divided rotors 30.
b, and by the engagement of the engaging portions 35 of each divided rotor 30, the helical blades 34 of each divided rotor 30 are made continuous, while the cylindrical body 32 of each helical blade 34 is formed. A covering piece 36 is provided on one end face in the length direction to cover the joint between adjacent spiral blades 34, and an end plate 39 is provided at the other end in the length direction of the cylindrical body 32 of each spiral blade 34. Since the attachment portion 38 is provided, the divided rotor 30 can be easily manufactured, and by selecting the number of connected divided rotors 30, a processing rotor of a desired length can be formed. Engagement portion 3 of each split rotor 30
5, the spiral blades 34 of each divided rotor 30 are made continuous, and the covering piece 36 covers the joint portion of the spiral blades 34.
When the divided rotor 30 rotates, it is possible to prevent straw or the like from being caught or wrapped around the joint portion, and in addition, the engaging portion 35 can be prevented from being caught or wrapped around the joint portion.
Since 0 is provided at both ends of the cylinder 32,
There is no restriction on the order in which each divided rotor 30 is combined with the drive shaft 40, and furthermore, each of the divided rotors 30
Since a mounting portion 38 for mounting the end plate 39 is provided on the mount 38, the end plate 39 can be mounted no matter which of the divided rotors 30 is located on the side plate side of the processing chamber. Like,
In combination with the cylindrical body provided on the side plate of the processing cylinder, it is possible to prevent straw waste from entering.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway front view showing the processing rotor of the present invention, FIG. 2 is a left side view of the same, FIG. 3 is a right side view of the split rotor, FIG. 4 is a perspective view of the split rotor, and FIG.
The figure is a partially cutaway side view showing the support structure of the support tube to the side plate, FIG. 6 is a side view of a threshing device to which the processing rotor of the present invention is applied, and FIG. FIG. 8 is a sectional view taken along the line -- in FIG. 6, and FIG. 9 is an explanatory diagram in which the split rotor is applied to a straw evacuation forcing device. 30...Split rotor, 31...Boss part, 32...
... Cylindrical body, 33 ... Conveyance claw, 34 ... Spiral blade, 3
5... Engaging portion, 35a... Concave portion, 35b... Convex portion, 36... Covering piece.

Claims (1)

[Scope of utility model registration request] A plurality of blades including a drive shaft 40, a cylinder 32 having a boss portion 31 supported on the drive shaft 40, and a spiral blade 34 disposed on the outer periphery of the cylinder 32 and having conveyance claws 33 on the periphery. The cylindrical body 32 of these divided rotors 30 has an engaging portion 3 formed of a recess 35a and a convex portion 35b at both ends thereof.
5, and the engaging portion 35 of each split rotor 30
The helical blades 3 of each divided rotor 30 are engaged with each other.
A covering piece 36 is provided on one longitudinal end side of the cylindrical body 32 of each spiral blade 34 to cover the joint between adjacent spiral blades 34, and each spiral blade 34 is made continuous. A processing rotor for a threshing device, characterized in that a mounting portion 38 for mounting an end plate 39 is provided on the other end side in the length direction of a cylindrical body 32.