JP2003236396A - Transmission system for husking separator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify pivot placement constitution and transmission constitution of a suction fan of a husking separator and impeller blades of a husker. <P>SOLUTION: A hollow fan drive shaft 32 for driving the suction fan 13 is placed between a frame of a hulled rice winnowing section 2 and the impeller blades 7b and an impeller drive shaft 33 for driving these blades are inserted into the hollow section of the fan drive shaft 32 and are placed therebetween to a double shaft state. Pulleys are respectively attached to the one-side ends of the fan drive shaft 32 and the impeller drive shaft 33 and driving power is transmitted thereto from a motor, by which the fan drive shaft 32 and the impeller drive shaft 33 are made respectively independently variable in speeds. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission device for a hull sorter.

[0002]

2. Description of the Related Art A suction fan for selecting the falling rice wind is built in the sliding rice wind selecting section of a hulled rice sorter, and an impeller blade type removing device is mounted on one side of the sliding rice wind selecting section. Things are known.

[0003]

DISCLOSURE OF INVENTION Problems to be Solved by the Invention In a hulling and sorting machine equipped with a conventional impeller blade type removing device, and independently driving the removing device and the suction fan, the removing device and the suction fan are separated. In order to drive from one side, it is necessary to dispose the removing device and the suction fan at positions separated by a predetermined distance.
There has been a problem that the cover structure of the power transmission is increased in size, and the drive shaft is provided in the sliding rice wind selecting section, which affects the sorting performance.

Further, if the removing device and the suction fan are coaxial, the above problem can be solved, but there is a problem that the removing device and the suction fan cannot be controlled in rotation speed independently of each other. Therefore, according to the present invention, the rotation speeds of the drive shaft of the suction fan and the drive shaft of the impeller blade type removing device can be independently adjusted, and the power transmission configuration is simplified to reduce the size of the hull sorting machine. It is what

[0005]

According to a first aspect of the invention, a fan drive shaft 32 for driving the suction fan 13 and impeller blades 7b, ... The fan drive shaft 3 is mounted as a double shaft.
2 and the one side end of the impeller drive shaft 33, each of which is provided with a pulley to transmit rotational power.

According to the invention of claim 1, the suction fan 13
The drive fan drive shaft 32 and the impeller blades 7b, ... The drive impeller drive shaft 33 are coaxially mounted on the frame of the sliding rice wind selecting unit 2 by a double shaft concentric with the fan drive shaft 32 and the impeller drive shaft. 33 is transmitted by power from one side of the frame.

According to the second aspect of the invention, the scraped-off rice wind selecting section 2
Fan drive shaft 32 for driving the suction fan 13 in the frame
And impeller blades 7b, ... Impeller drive shaft 33 for driving
Is mounted as a double shaft, and a fan pulley is attached to one end of the fan drive shaft 32 and the impeller drive shaft 33 to transmit rotational power, and the fan drive shaft 32 and the impeller drive shaft 33 are mounted. It is characterized in that each of them can be changed independently.

According to the invention of claim 2, the suction fan 13
The drive fan drive shaft 32 and the impeller blades 7b, ... The drive impeller drive shaft 33 are coaxially mounted on the frame of the sliding rice wind selecting unit 2 by a double shaft concentric with the fan drive shaft 32 and the impeller drive shaft. 33 is transmitted by power from one side of the frame,
Each rotation speed is independently changed.

[0009]

According to the first aspect of the present invention, the fan drive shaft 32 for driving the suction fan and the impeller drive shaft 33 for driving the impeller blades are double shafts and are transmitted from one side. It is not necessary to provide it in the wind selecting unit 2, and the structure of the transmission can be simplified by integrating the cover of the transmission. Further, since the transmission device can be arranged on one side, operability such as inspection and adjustment is improved, and the rice hull sorting machine can be downsized.

According to the invention of claim 2, the fan drive shaft 32
And the impeller drive shaft 33 can be separately shifted to have proper rotation speeds.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention shown in the drawings will be described below. First, the overall configuration of a hulling and sorting machine will be described with reference to FIGS. The hulling and sorting machine rotates and sorts the mixed rice after the wind selection in the hulling part 1, the downland rice wind selecting part 2 for selecting the downland rice from the hulling part 1, and the downland rice wind selecting part 2. It is composed of a mixed rice sorting unit 3 for separating and sorting into rice and brown rice by a cylinder, a mixed rice fried machine 4, a brown rice fried machine 5, and the like.

The hulling section 1 is composed of an impeller blade type removing device, and includes a removing case 7a arranged on one side of the front part of the slide-down rice wind selecting section 2 and impeller blades 7b, 7b. 、…
, A paddy supply section 7c for supplying paddy to the inner peripheral portions of the impeller blades 7b, 7b, ... The paddy hopper 6 and the like are arranged above the front of the rice-style selection box 9.

The slide-down rice wind selection section 2 includes a slide-down rice wind selection path 10 obliquely installed in a slide-down rice wind selection box 9, and a rice bran trough 11 provided below a midway portion of the slide-down rice wind selection path 10. The sliding rice gutter 12, the suction fan 13, and the dust collecting tube 14 provided below the starting end of the sliding rice wind selection path 10.
Etc. Then, a de-polished rice supply box 8 having a diffusion plate 8a is provided above the scraped-rice selection unit 2 and the de-polished rice depleted in the de-pulling case 7a is removed through the de-polished rice supply cylinder 7d. The rice is supplied to the pu rice supply box 8 and the diffusion plate 8a
It is configured to be supplied to the slide-down rice wind selection path 10 by diffusion.

Next, the mixed rice sorting unit 3 will be described.
The mixed rice sorting unit 3 is arranged on the upper rear side of the sliding-rice-style selection box 9 and configured as follows. The rotation selection cylinder 15 that rotates around the horizontal axis is arranged with its axis in the front-rear direction, and is covered with a selection case 16. A pair of left and right drive shafts 17, 17 are installed between the lower part of the front side plate and the lower part of the rear frame of the sorting case 16, and drive rollers 18, 18, ... Are attached to both front and rear ends of the drive shafts 17, 17. Drive roller 18,
18, the cylindrical flange portion of the rotary selection cylinder 15 is placed on the rotary selection cylinder 15, and the rotation selection cylinder 15 is rotated.

A brown rice receiving trough 20 for receiving brown rice is installed in the center of the rotary sorting cylinder 15, and a brown rice spiral 20a for transferring grains is provided in the front side of the brown rice receiving trough 20. Also,
Along the brown rice gutter 20, a supply gutter 22 is provided at the lower position.
This supply gutter 22 is provided with a supply spiral 22a for moving grains to the rear side, and a supply port is opened at the rear part of the supply gutter 22 to the rear side of the rotary selection cylinder 15 at the selection start end side. It is configured to supply grains.

A brown rice control valve 21 is rotatably supported at the end of the rotary selection tube 15 of the brown rice receiving gutter 20 on the rising rotation side so that the receiving area can be adjusted, and the end of the supply gutter 22 can be adjusted. Also, the mixed rice control valve 36 is rotatably supported so that the receiving area can be adjusted. A brown rice grain lower part 50 capable of leaking brown rice grains by a long groove and a net along the rotation direction is formed over a predetermined range at the sorting end portion of the rotary sorting cylinder 15, and the brown rice grains in the grains flowing to the sorting terminal side are This is a structure that prevents leakage and return to the hull portion 1.

Next, the hulling / sorting operation will be described. During the work, the brown rice control valve 21 and the mixed rice control valve 36 are adjusted to appropriate positions to supply the paddy to the paddy hopper 6 and the paddy supply unit 7c.
The paddy is supplied to the inner peripheral portions of the impeller blades 7b, 7b, ... The supplied paddy is splashed to the outer peripheral side over the impeller blades 7b, 7b, ..., Abruptly changes the direction at the outer peripheral bent portion, collides with the lining of the removing case 7a, and most of it is removed. The de-polished rice is supplied downwardly to the sliding-down rice wind selection path 10 through the de-polished rice supply box 8 while rotating upward in the de-polished rice supply cylinder 7d. The supplied de-polished rice is subjected to wind separation in the slide-down rice wind selecting passage 10, light rice husks and dusts are suctioned and removed from the dust discharge tube 14, and heavy mixed rice is dropped and sorted into the slide-down rice receiving trough 12.
The selected mixed rice is fried by the mixed rice fried machine 4 and is supplied to the front side portion of the supply gutter 22 in the rotary selection cylinder 15 through the mixed rice hopper 23 and is conveyed by the supply spiral 22a to be supplied to the rotary selection cylinder 15. It is supplied to the sorting start point.

The mixed rice fed to the rotary sorting cylinder 15 is pumped up by the pot hole of the rotary sorting cylinder 15, and large and long rice grains and some brown rice fall from the middle part and are received by the supply gutter 22. Then, it is transferred and supplied to the sorting start end side of the rotary sorting cylinder 15 by the supply spiral 22a to be re-sorted. Further, small grains and short brown rice are pumped up high and fall to the brown rice receiving trough 20, then transferred to the terminal side by the brown rice spiral 20a, and taken out of the machine through the brown rice falling passage 28 and the brown rice gutter 29. Also, large and long rice grains fall from a lower position and are collected on the inner peripheral surface of the rotary sorting cylinder 15, and then the rotary sorting cylinder 1
When the fluid flows while being pumped to the sorting end side in 5 and reaches the sorting end portion, it is pumped up by the scooping blade 30 provided at the terminal end of the rotary sorting cylinder 15 and supplied to the paddy reduction gutter 31 and the paddy reduction gutter 31. It is returned to the hull portion 1 by 31 and again hulled.

Next, referring to FIGS. 3 and 4, the suction fan 1 will be described.
3 and the transmission structure of the removing device will be described. A hollow fan drive shaft 32 is mounted on the slide-down rice wind selection box 9 via a metal case 34, and a suction fan 13 is attached to an intermediate portion of the fan drive shaft 32. The impeller drive shaft 33 is inserted into the hollow portion of the fan drive shaft 32, and the left and right bosses 35 and 35 and the bearings 3 provided at both ends of the fan drive shaft 32.
The impeller drive shaft 33 is concentrically mounted via 5a and 35a, and the impeller blades 7b are attached to the right end of the impeller drive shaft 33. Further, the fan pulley 3 is attached to the left end portions of the fan drive shaft 32 and the impeller drive shaft 33.
6. The impeller pulley 37 is attached, respectively.

Power is transmitted from a motor pulley 38 of a main motor provided at the rear part of the machine body to a main shaft 41 via a transmission belt 39 and a main shaft pulley 40, and a fan transmission pulley 42 attached to the main shaft 41, and brown rice for driving a brown rice fried machine. Pulley 43, mixed rice pulley 44 and fan pulley 3 for driving the mixed rice fried machine
A fan transmission belt 45 is wound between 6 to transmit power to the fan drive shaft 32.

Further, the impeller transmission pulley 46 of the main shaft 41
The impeller transmission belt 47 is wound between the impeller drive shaft 33 and the impeller pulley 37 of the impeller drive shaft 33.
Is transmitting power to. It should be noted that the fan transmission pulley 42 and the impeller transmission pulley 46 are split pulleys, and the fan drive shaft 32 and the impeller drive shaft 33 can be individually adjusted in rotation speed as expansion / contraction variable pulleys.

That is, the fan transmission pulley 42 and the impeller transmission pulley 46 include a fixed pulley and the driven cam 4.
A movable pulley having 2b and 46b is provided, and drive cams 42a and 46a are provided on the side portions of the driven cams 42b and 46b to forcefully slide the driven cams 42b and 46b. The drive cams 42a and 46a are driven to rotate around the main shaft 41 by a screw motor M, and the screw motor M is drive-controlled by a controller 70.

On the movable pulley side of each of the fan pulley 36 and the impeller pulley 37, a spring S for pressing the movable pulley with a predetermined load and a pressing plate P are attached. Then, when the supply amount from the paddy hopper 6 is increased, when the paddy water is high, when the paddy is difficult to remove, and when the power supply voltage is low, the measured value by the uncovering rate sensor (not shown) does not reach the set removing rate. At this time, the rotation of the impeller blades is controlled to be accelerated, and the rotation of the impeller blades is decelerated when the characteristics of the paddy and the usage environment are reversed. The pulley diameter is changed by 46a, and the rotational speed of the impeller drive shaft 33 is changed and controlled.

When the number of rotations of the impeller drive shaft 33 is changed, the fan drive shaft 32 is driven by the above-mentioned transmission structure.
The rotation speed of is controlled variably. That is, when the rotation speed of the impeller drive shaft 33 is increased, the fan drive shaft 32 is increased in speed according to the speed increase rate of the impeller drive shaft 33 in order to quickly separate the scraped rice into brown rice and rice husks. is there.

As described above, the fan drive shaft 32 for driving the suction fan and the impeller drive shaft 33 for driving the impeller blades.
Is configured as a double shaft, and the respective gears can be individually changed in speed, so that each drive shaft can be adjusted and set to an appropriate rotational speed, and the suction fan 13 and the impeller blades 7b ,.
Since the drive pulley of is arranged on the same side, the transmission belt can be arranged on one side and the transmission belt cover is integrated,
The area occupied by the hull sorting machine is reduced, and inspection and adjustment can be performed from one side of the hull sorting machine.
In the above embodiment, the impeller drive shaft 33 and the fan drive shaft 32
Although the rotational speeds of both are variable, the rotational speed of the fan drive shaft 32 may be constant and only the impeller drive shaft 33 may be variable to further simplify the transmission device.

Next, based on FIGS. 1 and 5, the rotary sorting cylinder 1
The selection configuration of the terminal portion of No. 5 will be described. A brown rice receiving gutter 20 and a supply gutter 22 are provided in the rotary sorting cylinder 15 having an innumerable urn hole, and rice grains do not leak above the selection end of the brown rice receiving gutter 20 and the supply gutter 22. A stone net 48 is arranged, and a grain falling plate 49 is arranged above the sorting end portion of the brown rice receiving trough 20 so that the grains do not drop on the brown rice receiving trough 20. A small particle slit 50 having a width of, for example, about 2.2 mm is formed over a predetermined width at the sorting end portion of the rotary sorting cylinder 15 so as to allow the small particles to leak. The reduction gutter 51 is arranged, and the small-grain reduction gutter 51
The lower end of the grain is exposed on the sliding rice gutter 12 and the small grain slit 50
The scrap rice and the bran that have leaked from the rice are supplied to the scraped rice wind selecting passage 10 for wind selection.

Further, the small grain slit 50 of the rotary selection cylinder 15
A clogging prevention plate 5 made of a flexible material such as rubber is provided on the outer periphery of the portion.
2 is rotatably supported so that it can be brought into contact with the outer peripheral surface of the rotary selection cylinder 15 or can be switched to a separated state by operating the lever 53.

During the work in which the grain presence / absence sensor 54 provided in the paddy hopper 6 detects the presence of grain,
The clogging prevention plate 52 is brought into contact with the outer peripheral surface of the rotary selection cylinder 15, and at the end of the work in which no grain is detected, the clogging prevention plate 52 is separated from the rotation selection cylinder 15 for a predetermined time, and then the clogging prevention is performed. The plate 52 is associated with the rotary selection cylinder 15 so as to be in contact therewith.

However, at the end of the work in which there are no grains in the paddy hopper 6, the clogging prevention plate 5 is moved from the outer peripheral surface of the rotary selection cylinder 15.
By separating 2 from each other, the small grain slits 50 of the rotary selection cylinder 15 are in a clogged state, and the grains flowing to the terminal end of the rotary selection cylinder 15 are quickly discharged and sent to the hulling unit 1 for hulling. Then, after a lapse of a predetermined time, the clogging prevention plate 52 is brought into contact with the small grain slits 50 to eliminate the clogging, and the grains are leaked and discharged from the small grain slits 50 and supplied to the scraped rice wind selection path 10. Then, it can be wind-selected, and the residual grain can be quickly treated.

At the end of the work, the grain layer thickness in the rotary sorting cylinder 15 is thinner than the proper layer thickness, and the sorting efficiency is reduced. However, in this embodiment, at the end of the work, the clogging prevention plate 52 is separated from the small grain slits 50 of the rotary sorting cylinder 15 to bring the small grain slits 50 into the clogging state, so that the grains in the rotary sorting cylinder 15 can be quickly removed. By discharging and hulling with the hulling section 1, the dehulling operation of the grain can be speeded up, and the residual grain processing can be speeded up.

Next, the dust absorption configuration of the brown rice fried machine 5 will be described with reference to FIG. A dust suction box 55 is attached to the tip of the thrower cylinder of the brown rice lifting machine 5.
The grain is thrown out from the thrower cylinder in the direction of the arrow. The dust collection box 55 includes a first shelf board 56a, a second shelf board 56a, and a second shelf board 56a.
The shelves 56b, the third shelves 56c, and the fourth shelves 56d are alternately slanted on the left and right, and the thrown-out grains are sequentially the first shelves 56a.
To second shelf plate 56b, third shelf plate 56c, fourth shelf plate 56d
It is configured to flow down in a zigzag manner through and take out from the outlet 57.

The grain is also thrown from the space between the first shelf plate 56a and the third shelf plate 56c, and the input grain is placed on the third shelf at the lower part of the first shelf plate 56a. A flow-down plate 58 that guides the plate 56c is provided. And the first shelf board 5
Left and right first guide plates 59, 59 for guiding the input grain to the central portion are provided on the lower surface of 6a, and left and right second guide plates 60 for guiding the input grain to the central portion are provided on the upper surface of the falling plate 58. , 60 are provided, and the grain guided to the central side by the first guide plates 59, 59 is further guided to the central portion. The start end side of the dust suction air passage 61 is connected to the vicinity of the outlet 57 at the lower part of the dust suction box 55, and the end portion of the dust suction air passage 61 is connected to the suction portion of the suction fan 13.

FIG. 6B shows a structure in which the first shelf board 56a, the second shelf board 56b, the third shelf board 56c and the fourth shelf board 56d are simply provided in a zigzag shape in the dust collection box 55. As shown, the grains flowing down on the third shelf board 56c were thick on both the left and right sides and thin in the central part, and the dust suction action in the dust suction air passage 61 was not uniform in some cases.

However, in this embodiment, the first shelf board 56a is
And the third shelf plate 56c, the grain is introduced into the third shelf plate 56c while being guided to the central portion by the first guide plates 59, 59 and the second guide plates 60, 60. The layer thickness can be made uniform as shown in FIG. 6C, and the dust absorption performance of the grain can be made uniform and improved.

Next, based on FIGS. 8 and 9, the dust suction air passage 61
The connection configuration to the removing case 7a will be described. The starting end of the dust suction air passage 61 is connected to the dust suction box 55 of the brown rice fried machine 5, and the end portion of the dust suction air passage 61 is connected to the end portion of the paddy supply unit 7c in the impeller type removing device. A switching valve 62 is provided at the terminal end of the paddy supply section 7c so that the paddy supply tube 7c can be switched between a state in which the paddy feed tube 7c communicates with the inner peripheral portions of the impeller blades 7b, ... And a state in which the dust suction air passage 61 communicates. is doing.

Therefore, the switching valve 62 allows the paddy supply cylinder 7c.
Is in a state of communicating with the inner peripheral portions of the impeller blades 7b, ..., The suction action of the impeller type removing device acts on the side of the paddy hopper 6 and sucks dust near the paddy hopper 6 during hulling work to perform a clean work. Can be the environment. Also, at the end of work,
By switching the switching valve 62 to the dust suction air passage 61 side,
Dust and grains that have stagnated in the dust suction air passage 61 can be collected by the scraped-rice drafting unit 2 via the removing device.

When the switching valve 62 is switched to the dust suction air passage 61 side, if the rotation of the impeller blades 7b, ... Can be switched to a low speed rotation, the grain from the brown rice lifting machine 5 is removed again. It is possible to prevent damage to the grain without the need to push. Further, the end portion of the dust suction air passage 61 is connected to the impeller blade 7
In communicating with the inlets of b, ..., the brown rice from the dust suction air passage 61 does not collide with the lining of the removing case 7a, and is attached to the starting end side of the removing rice supply cylinder 7d, as shown by the hatched portion in FIG. If it is configured to communicate with the first communication portion 63 that is blown away, damage to brown rice can be prevented. The second communicating portion 64 is a part for supplying paddy, and when the paddy is supplied from here, the paddy that is splashed off by the impeller blades 7b, ...
It collides with the lining of a and most of it is removed.

Next, the vertical grain sorter 65 for sorting the paddy and supplying it to the removing case 7a of the grain hull 1 will be described with reference to FIG. Vertical grain sorter 65 for sorting paddy and brown rice
Is a paddy sorting unit 65a for sorting paddy grains located at the bottom,
It is composed of a brown rice sorting section 65b located at the upper part.
The paddy sorting unit 65a includes a large-diameter paddy sorting net cylinder 66 and a small-diameter paddy grain spiral barrel 67 that rotate around the same vertical axis center, a paddy grain hopper 68, and a polished paddle take-out barrel 6 that takes out the sorted paddy.
9, a puddle sorting chamber 70 for prayer selection, a puddle extraction cylinder 71, and the like. Then, the lower paddy input hopper 6
When the paddy grains are supplied to 8, the paddy grains are fried in the paddy sorting net cylinder 66 by the paddy grain spiral barrel 67, and the small grain grits are discharged from the paddy sorting net barrel 66 to the outside paddy sorting chamber 70, The refined rice is fried to the upper side, taken out from the refined rice removing cylinder 69, and supplied to the removing case 7a of the rice hull sorting machine.

The brown rice sorting unit 65b takes out a large-diameter brown rice sorting mesh cylinder 72 and a small-diameter brown rice fried helix barrel 73, a brown rice throwing hopper 74, and selected refined brown rice that rotate around the same vertical axis. It is composed of a refined brown rice removing hopper 75, a waste rice sorting chamber 76 for sorting waste rice, a waste rice removing cylinder 77, and the like. When brown rice is fed to the lower brown rice input hopper 74 from the brown rice lifting machine 5 of the grain hull sorting machine, the brown rice is fried in the brown rice sorting net cylinder 72 by the brown rice lifting grain spiral tube 73, and small grain waste rice is generated. The unpolished brown rice is discharged from the unpolished rice sorting net cylinder 72 to the outside waste rice sorting chamber 76, and the unrefined unpolished rice is fried up to the upper side to remove unrefined unpolished rice hopper 75
Is weighed out from.

Then, only the refined rice sorted by the paddy sorting section 65a is supplied to the impeller blade type stripping case 7a to be stripped, and the brown rice taken out from the paddy sorting machine is the brown rice sorting section 65b. The grain refined rice is supplied to the grain refined rice and the grain refined rice is extracted from the grain refined rice extraction hopper 75, so that the hulling and sorting operation can be efficiently performed. Further, since the vertical grain sorter 65 and the hulled sorter are independently configured, the degree of freedom in layout can be increased and work can be performed efficiently as compared with the integrated configuration. In addition, the paddy sorting unit 65a and the brown rice sorting unit 65
Since the vertical grain sorter 65 is configured by arranging b in the vertical direction, the arrangement space can be narrowed and the hulling and sorting work can be performed in the narrow space.

The scrap rice extraction cylinder 77 of the brown rice sorting section 65b
Is connected to the removing case 7a of the rice hull sorting machine, the rice bran can be discharged together with the rice hulls from the dust container 14 through the rice supply box 8, the sliding rice wind selection path 10 and the suction fan 13, The labor of processing can be omitted.

[Brief description of drawings]

FIG. 1 is a side view in which a part of the whole is cut.

[Figure 2] Rear view of the whole cutting

FIG. 3 is a cutaway plan view of a main part.

[Fig. 4] Transmission diagram of main parts

FIG. 5 is a cutaway rear view of the main part.

FIG. 6 is a cutaway side view of a main part.

FIG. 7 is a right side view and an operation view of FIG.

FIG. 8 is an overall side view

FIG. 9 is a side view of the main part.

FIG. 10 is a perspective view of a main part.

[Explanation of symbols]

1 hulling part 2 Drop-off rice style selection 3 Mixed Rice Sorting Department 4 mixed rice fried machine 5 brown rice lifting machine 6 Paddy hopper 7a Take off case 7b impeller blades 7c Paddy supply section 7d Depleted rice supply tube 13 Suction fan 15 Rotating sorting cylinder 20 brown rice gutter 20a brown rice spiral 22 Supply gutter 22a Supply spiral 28 Brown rice flow passage 29 brown rice gutter 32 fan drive shaft 33 Impeller drive shaft 34 metal case 35 Boss 36 fan pulley 37 Impeller pulley 45 fan transmission belt 47 Impeller Transmission Belt

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Shuzo Murakami             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. F-term (reference) 4D043 AA02 DA01 JA03 JA17

Claims (2)

[Claims] 1. A fan drive shaft 32 for driving a suction fan 13 and an impeller blade 7 on the frame of the scraped-rice drafting unit 2.
b, ... The driving impeller drive shaft 33 is double-shafted, and a fan pulley is attached to one end of the fan drive shaft 32 and the impeller drive shaft 33 to transmit rotational power. A transmission device for a hull sorting machine. 2. The fan drive shaft 32 for driving the suction fan 13 and the impeller blade 7 are provided on the frame of the scraped-off rice wind selecting unit 2.
b, ... The driving impeller drive shaft 33 is double-shafted, and the fan drive shaft 32 and the impeller drive shaft 33 are each attached with a pulley at one end thereof to transmit rotational power, A transmission device for a hulling and sorting machine, characterized in that the fan drive shaft 32 and the impeller drive shaft 33 are configured to be capable of shifting independently.