JP2003299969A - Hulling and sorting apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify a driving apparatus of an impeller type hulling apparatus and a driving apparatus of an air blowing fan for hulled rice sorting and improve the hulled rice sorting capability. <P>SOLUTION: A hulling part is composed of an impeller type hulling apparatus 7 and a hulled and dropping rice sorting path 10 for sorting the hulled rice by air blow is provided with an air blowing fan 13a at the starting end side and a suction fan 13b at the terminal side. A fan driving shaft 41 for driving the air blowing fan 13a and an impeller driving shaft 42 for driving impellers 7b,... are journalled with a dual shaft so as to transmit motive force through a fan pulley 43 and an impeller pulley 44 installed in one end sides of these shaft. These pulleys are made independently variably rotatable. A hulled rice supply box 8 to which the hulled rice is supplied from the impeller type hulling apparatus 7 and a suction part of the suction fan 13b communicate with each other through a dust discharging air flow path 34. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved impeller blade type hulling and sorting machine.

[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]

A conventional hulling / sorting machine equipped with an impeller blade type removing device has a structure in which the removing device and the suction fan are arranged at separate positions to separately transmit power. However, there has been a problem that the transmission structure is complicated and the cover for covering the transmission is inevitably large.

Further, in supplying dew-polished rice from the impeller blade type depulling device to the slid-down rice wind selection route, the wind carrying the de-puffed rice together with the depleted rice is supplied to the slid-down rice wind selection route. There was a problem in that the sorting wind in the falling rice sorting route was disturbed and the sorting accuracy deteriorated. Therefore, the present invention is intended to solve such a problem.

[0005]

The invention according to claim 1 is a hulling section constituted by an impeller blade type removing device 7,
In a hulled rice sorting machine having a sliding rice wind selecting unit 2 in which a compressed air fan 13a is provided at the start end side of the sliding rice wind selection path 10 and a suction fan 13b is provided at the end side, a fan drive for driving the compressed air fan 13a. The shaft 41 and the impeller drive shaft 42 for driving the impeller blades 7b, ... Are composed of double shafts, and power is transmitted from one side of these double shafts via a speed change pulley to enable rotational shifts. The dew padded rice supply box 8 is configured so that the dew padded rice from the impeller blade type depulling device 7 is supplied to the slide-down rice wind selection path 10 via the depished rice feed box 8.
And the suction part of the suction fan 13b are communicated with each other through a dust exhaust passage 34.

In the first aspect of the present invention, the impeller blades 7b, ... Are driven by the impeller drive shaft 42 of one of the double shafts to remove the paddy, and the fan drive shaft 4 of the other double shaft is used.
1, the compressed air fan 13a is driven, and the impeller drive shaft 42 and the fan drive shaft 41 can independently and rotationally shift. In addition, the rice husks and wind mixed with the removed rice from the removed rice supply box 8 to which the removed rice is supplied from the impeller blade type removing device 7 through the dust exhaust air passage 34 to the suction portion of the suction fan 13b. Is removed by suction.

The invention of claim 2 is, in addition to claim 1, the paddy supply passage 7c for supplying paddy from the paddy hopper 6 to the impeller blades 7b, ... Of the impeller blade type removing device 7 and the suction fan 1.
It is characterized in that the suction part 3b is communicated with the paddy sorting air passage 35. In the invention of claim 2, in addition to the invention of claim 1, the paddy is fed from the paddy hopper 6 through the paddy supply passage 7c to the impeller blades 7b, ... Dust is sucked and removed from the passing paddy through the paddy sorting air passage 35 by the suction fan 13b.

[0008]

According to the first aspect of the present invention, the fan drive shaft 41 for driving the compressed air fan 13a and the impeller drive shaft 42 for driving the impeller blades 7b, ... Are constituted by double shafts to transmit power from one side. As a result, the transmission can be simplified and the rotational speed can be changed independently for each of the transmissions, and the removal performance and the wind selection performance of the removed rice can be improved. In addition, when the de-polished rice is supplied to the slide-down rice wind selection path 10 via the de-polished rice supply box 8, the rice husks and wind mixed with the de-polished rice from the de-polished rice supply box 8 are discharged as dust. It is possible to reduce the disturbance and the sorting load of the sorting air passage of the scraped rice wind selection passage 10 by suctioning and removing it through the passage 34.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, since dusts are suctioned and removed from the paddy supplied from the paddy hopper 6 to the impeller blade type stripping device 7, the impeller blade type stripping device is provided. The removal performance of the device 7 can be improved.

[0010]

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 the hull sorting machine will be described with reference to FIGS. 1 to 5. 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 7, and a removing case 7a disposed on one side of the front part of the sliding rice wind selecting section 2 and an inside of the removing case 7a. And impeller blades 7b, ...
A paddy supply passage 7c for supplying paddy to the inner peripheral portion of b, ..., and a de-polished rice supply cylinder 7d for conveying the de-polished rice to a de-polished rice supply box 8.
And a paddy hopper 6 arranged above the front part of the sliding-down 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 receiving trough 12 provided below the starting end of the sliding rice wind selecting passage 10, the compressed air fan 13a provided facing the starting end of the sliding rice wind selecting passage 10, and the sliding rice wind selecting passage 10 The suction fan 13b is provided so as to face the terminal end of the, and the dust pipe 14 and the like.

Above the scraped-rice selection unit 2, there is provided a de-polished rice supply box 8 in which a diffusion plate 8a is installed.
The depleted rice depleted by the impeller blade type degumming device 7 is supplied to one side of the depleted rice supply box 8 via the depleted rice supply cylinder 7d and slid while diffusing the removed rice with the diffusion plate 8a. It is a configuration for supplying to the falling rice wind selection path 10.

In addition, the rear side of the upper part of the de-polished rice supply box 8 and the suction part of the suction fan 13b are connected by the dust exhaust air passage 34 to supply the de-polished rice supply box 8 with the de-polished rice medium. The light rice husks and the carrier air are sucked and removed through the dust exhaust air passage 34 to reduce the sorting load of the sliding rice wind air passage 10.
It is configured to prevent disturbance of the sorting wind.

Further, the midway portion 7e of the paddy supply passage 7c and the suction portion of the suction fan 13b are connected by the paddy sorting air passage 35, and the dust mixed in the paddy of the paddy supply passage 7c is fed through the paddy sorting air passage 35. The suction fan 13b is sucked and removed via the suction fan 13b to improve the removing performance of the impeller blades 7b.

Further, when the paddy is supplied to the impeller blade type removing device 7, it may be constructed as shown in FIG. That is, the paddy hopper 6 is provided with the paddy supply control valve 36, and the paddy hopper 6 is
The end portion of the paddy supply passage 7c that communicates with the paddy supply box 37 is hermetically connected to the paddy supply box 37, and the paddy is supplied to the impeller blades 7b through the paddy supply box 37.
A regulating valve 38 that regulates the flow of the paddy is provided at the terminal end of the paddy supply passage 7c, and a spring 39 that constantly biases the regulating valve 38 in the closing direction is interposed. The paddy supply regulating valve 36, the regulating valve 38, the paddy feeding regulating valve 36, and the arms 40a, 40b provided on the regulating valve 38 are linked by the interlocking rod 40,
The restriction valve 38 is also configured to open in association with the opening degree of the paddy supply control valve 36.

When the interlocking rod 40 moves due to the opening adjustment of the paddy supply adjusting valve 36, the regulating valve 38 causes the spring 39 to move.
The opening is adjusted relative to the paddy, and the paddy flows through the paddy supply passage 7c and the paddy supply box 37 to the impeller blades 7b ,. At this time, the paddy in the paddy supply passage 7c is regulated by the control valve 38.
The flow of air is regulated by, and the inflow of air is blocked and reduced, so that the carry air when the removed rice is sent to the removed rice supply box 8 via the removed rice supply passage 7d is reduced. It is possible to reduce the amount of wind flowing into the falling rice wind selection path 10. Therefore, it is possible to reduce the disturbance of the sorting wind in the scraped rice wind selecting passage 10 and improve the wind selecting performance of the scraped rice.

Next, referring to FIGS. 4 and 5, the mixed rice sorting unit 3
Will be described. The mixed rice sorting unit 3 has a sliding rice style selection box 9
It is placed on the upper rear side and is configured as follows. A rotary selection cylinder 15 that rotates around the horizontal axis is arranged along 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, and this drive is performed. The cylindrical flange portion 15a of the rotary selection cylinder 15 is placed on the rollers 18, 18, ... And the rotation selection cylinder 15 is rotated.

A brown rice receiving trough 20 for receiving brown rice is installed in the rotary sorting cylinder 15, and a brown rice spiral 20a for transferring grains to the front side is provided in the brown rice receiving trough 20. In addition, a supply gutter 22 is arranged at a lower position along the brown rice receiving gutter 20.
In the supply gutter 22, a supply spiral 22a for moving the grains to the rear side.
Is provided, and the grain is supplied from the supply port at the rear of the supply gutter 22 to the rear side of the sorting start end of the rotary sorting cylinder 15. A brown rice control valve 20b is provided at the end of the rotation selection cylinder 15 of the brown rice gutter 20 on the rising rotation side.
Is rotatably supported so that the receiving area can be adjusted.

A pumping blade 30 is provided at the end of the rotary selection cylinder 15.
Is provided, and the grains that have flowed to the end portion of the rotary selection cylinder 15 are pumped up by the pumping blade 30 and supplied to the paddy-reducing gutter 31 so that the paddy is reduced to the paddy-sheathing section 1 via the paddy-reducing gutter 31 and again hulled. Is configured. Next, the hulling / sorting operation will be described.

During operation, the brown rice control valve 20b is adjusted to an appropriate position to supply the paddy to the paddy hopper 6, and the paddy is supplied to the inner peripheral portions of the impeller blades 7b, ... Through the paddy supply passage 7c. The supplied paddy is splashed to the outer peripheral side over the impeller blades 7b, ...
Most of them are removed by colliding with the lining of a.

The de-polished rice is conveyed to the de-polished rice supply box 8 while rotating upward in the de-polished rice supply cylinder 7d and slid down rice wind selection path 1
Supplied to zero. The supplied de-puffed rice is scraped rice-style selection route 10
In this way, light rice husks and dust are wind-selected by the sorting wind generated by the compressed air fan 13a and the suction fan 13b, and are discharged from the suction fan 13b to the outside of the machine through the dust pipe 14 and
The heavy mixed rice is dropped and sorted by the scraped rice receiving trough 12.

The mixed rice selected in the drop-off rice receiving trough 12 is fried by the mixed rice lifting machine 4 and is supplied to the front side of the supply gutter 22 in the rotary selection cylinder 15 through the mixed rice hopper 23 to supply the spiral. It is conveyed to the rear side at 22a and is supplied to the sorting start end of the rotary sorting cylinder 15. The mixed rice supplied to the rotary sorting cylinder 15 is pumped up by the pot hole of the rotary sorting cylinder 15, and large and long paddy grains and some brown rice fall from the middle part and are fed into the supply gutter 22.
Then, it is transferred and supplied to the rear side of the sorting start end of the rotary sorting cylinder 15 by the supply helix 22a for re-sorting. In addition, the small and short brown rice is pumped up high and falls into the brown rice receiving trough 20, is transferred to the front end side by the brown rice spiral 20a, and is taken out of the machine through the brown rice downflow passage 28, the brown rice gutter, and the brown rice lifting machine 5. Be done.

Further, large and long rice grains fall from a lower position and are collected in the rotary selection cylinder 15 and are pumped and selected while flowing in the rotary selection cylinder 15 toward the selection end side. And
When it reaches the sorting end portion, it is pumped up by the scooping blade 30, passed through the paddy-reducing gutter 31 and returned to the paddy hull portion 1, and again paddled.

Next, based on FIGS. 6 and 7, the compressed air fan 1
3a and the transmission structure of the impeller blade type take-off device 7 will be described. A hollow fan drive shaft 41 is mounted on the slide-down rice wind selection box 9 via a metal and a bearing, and a compressed air fan 13a is attached to an intermediate portion of the fan drive shaft 41.
The impeller drive shaft 42 is inserted into the hollow portion of the fan drive shaft 41, the impeller drive shaft 42 is projected from both ends of the fan drive shaft 41, and the impeller drive shaft 42 is concentrically shafted via left and right metal and bearings. The impeller drive shaft 42
The impeller blades 7b, ... Are attached to the right end of the.

A fan pulley 43 is attached to the right end of the fan drive shaft 41, and an impeller pulley 44 is attached to the right end of the impeller drive shaft 42. The rotational power of the main motor provided at the rear part of the machine body is transmitted to a fan pulley 43 and an impeller pulley 44 arranged on one side of the machine body via a pulley and a transmission belt. Then, the fan pulley 43 and the impeller pulley 44 are slidable with the semi-fixed pulleys 43a and 44a fixed to the shaft, and the semi-movable pulleys 43b and 4b.
The variable speed pulley is configured to be expandable / contractible by 4b, and the fan drive shaft 41 and the impeller drive shaft 42 can be separately adjusted in rotational speed.

A fan arm 45 is rotatably supported by a fan drive shaft 41 via a bearing 46, and a fan cam body 47 provided on a boss portion of the fan arm 45 is mounted on a half-moving pulley 43b side of a fan pulley 43 to provide a fan. By rotating the arm 45, the half-moving pulley 43b is slid to expand / contract the fan pulley 43b to adjust the rotation speed.

Further, an impeller arm 48 is rotatably supported on the impeller drive shaft 42 via a bearing 49, and an impeller cam body 49a provided on a boss portion of the impeller arm 48 is mounted on the half moving pulley 44b side of the impeller pulley 44. The half-moving pulley 44b is slid by the rotation of the impeller arm 48 to expand / contract the impeller pulley 44b to adjust the rotation speed.

The adjusting lever 50 is provided in the operation hole 51a of the operation plate 51 so as to be rotatable in the left-right direction and the up-down direction, and a plurality of fan locks are provided on the left and right sides of the operation hole 51a of the operation plate 51. The parts 53, ..., Impeller locking parts 52 ,. Then, by rotating the adjusting lever 50 in the left-right direction, the engaging recess 45 of the fan arm 45 is
a, or by selectively engaging with the engaging recess 48a of the impeller arm 48 and rotating the adjusting lever 50 in the vertical direction, one of the fan arm 45 and the impeller arm 48 is rotated, The fan pulley 43 and the impeller pulley 44 are configured so that the number of rotations thereof can be adjusted.

As described above, the fan drive shaft 41 for driving the suction fan and the impeller drive shaft 42 for driving the impeller blades.
Is configured as a double shaft and can be individually changed in speed, so that each drive shaft can be adjusted and set to an appropriate number of rotations, and the suction fan 13 and the impeller blades 7b ,.
Since the drive pulleys of 1 are arranged on the same side, the power transmission devices such as the transmission belt can be arranged on one side, and the cover of the transmission device can be integrated to simplify the configuration. Since the transmission can be arranged on one side of the machine body, operability can be improved.

Next, the control at the time of starting the work of the rotary sorting tubular type hull sorting machine will be described with reference to FIGS. 4 and 5. A mixed rice sensor 56 is provided at the sorting start end of the rotary sorting cylinder 15. The mixed rice sensor 56 includes a sensor shaft 56a provided along the axis of the rotary selection cylinder 15 and a sensor plate 56b integrally attached to the sensor shaft 56a. The sensor plate 56b is rotationally selected. The grain layer thickness is detected by contacting the upper surface of the grain layer in the cylinder 15 and rotating up and down as the grain layer thickness increases and decreases. The brown rice gutter 20 is provided with an opening / closing valve 57 over substantially the entire length, and can be opened / closed by an opening / closing motor (not shown) that is a driving unit.

When the control of the opening / closing valve 57 of the brown rice gutter 20 is started at the start of the work, first, the brown rice gutter 20 is first controlled.
The on-off valve 57 of the is adjusted to open, and then the mixed rice sensor 56
By this, the grain layer thickness in the rotary selection cylinder 15 is detected, and the open / close valve 57 is kept open until the grain layer thickness reaches a predetermined layer thickness. When the mixed rice sensor 56 detects a predetermined layer thickness, the opening / closing valve 57 of the brown rice gutter 20 is closed according to a command from the control unit, and the grain pumped up to the brown rice gutter 20 is taken out of the machine.

When the grain layer thickness at the time of starting the operation of the rotary selection cylinder 15 is thin, the paddy grains may be pumped up to the brown rice trough 20 together with the brown rice, and the paddy may be mixed with the brown rice. However, by performing the above control, the removal of unpolished brown rice from the machine is stopped, and the sorting accuracy at the initial stage of the work can be improved.

Further, a reduced grain sensor 59 for detecting the reduced grain amount is provided in a paddy reduction hopper 58 for returning the sorted grains in the rotary sorting cylinder 15 to the hull portion 1, and at the start of the work,
The open / close valve 57 of the brown rice gutter 20 is opened and adjusted until the reduced grain amount reaches a predetermined amount, and the on / off valve 57 is controlled to be closed when the reduced grain amount reaches the predetermined grain amount. Good. By doing so, it is possible to prevent paddy rice from being mixed with brown rice at the initial stage of the work, and to improve the sorting accuracy, as in the above-described embodiment.

Next, based on FIGS. 8 and 9, the rotary selection cylinder 15
The tilt angle adjusting device will be described. Rotating sorting cylinder 15
Is covered with a sorting case 16, and the lower front side of the sorting case 16 is pivotally supported by pins 62, 62.
Between the rear part of the rear part and the rear part of the sorting case 16 an angle adjusting device 6
3, the rear part of the sorting case 16 is adjusted up and down to adjust the inclination angle of the rotary sorting cylinder 15 gradually, and the flow velocity of the grains in the rotary sorting cylinder 15 can be adjusted.

The angle adjusting device 63 is attached to the selecting frame 63a connected to the left and right side plates of the selecting case 16, the adjusting shaft 63b and the adjusting shaft 63b mounted on the sliding-down rice-style selection box body 9, respectively. Handle 63c, left / right adjusting cylinders 63d, 63d screwed to the threaded portion of the adjusting shaft 63b, one end is pin-connected to the selection frame 63a, and the other end is pin-connecting to the left / right adjusting cylinders 63d, 63d. The left / right adjusting arms 63e, 63e are configured.

Then, the mounting plate 6 provided with mounting slots 64a, 64a at both ends of the selection frame 63a.
4, 64 are attached, and the left and right side plates of the selection cover 16 are fixed by bolts 66 and nuts 67 with a shock absorbing member 65 such as rubber interposed, and when the selection frame 63a receives an impact, the mounting elongated holes 64a, 64a. It is configured so that it can be moved along the vertical direction, and the bent portion 64b of the mounting plate 64 and the sorting case 16
A pin 70 and a compression spring 69 are interposed between the support plate 68 provided on the left and right side plates, and the mounting plates 64, 64 are pressed downward.

The pair of left and right drive shafts 17 for driving the rotary selection cylinder 15 are divided into front and rear parts, and are connected by elastic members such as springs to transmit power. The drive shafts 17, 17 can be smoothly driven to rotate even if the rotation selection cylinder 15 is tilted about the front lower part thereof.

Therefore, even when an impact force acts on the angle adjusting device 63 of the supporting portion of the rotary sorting cylinder 15 when the hulling and sorting machine is unloaded, it is absorbed by the shock absorbing material 65 such as rubber. By moving along the mounting elongated holes 64a, 64a, the impact is mitigated, and damage to the connecting portion between the sorting case 16 and the angle adjusting device 63 can be prevented. During the work, the rotary selection cylinder 15 is supported by the angle adjusting device 63 with a predetermined rigidity so that the work is not hindered.

[Brief description of drawings]

[Fig. 1] Cut side view

FIG. 2 is a rear view of FIG.

FIG. 3A is a perspective view of a main part. (B) Diagram of the lower part of the paddy supply passage

[Fig.4] Side view of cutting of mixed rice sorting section

[Figure 5] Rear view of the mixed rice sorting section

FIG. 6 is a transmission configuration diagram of a compressed air fan and an impeller blade type take-off device 7.

FIG. 7 is a perspective view of a main part

FIG. 8 is a perspective view of a tilt angle adjusting device for a rotary sorting cylinder.

FIG. 9 (a) is a cutaway rear view of an essential part. (B) Perspective view of essential parts

[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 7 Impeller blade type removing device 7a Take off case 7b impeller blades 7c Paddy supply passage 7d Depleted rice supply tube 8 Removed rice supply box 13a Compressed air fan 13b suction fan 34 Exhaust air duct 41 Fan drive shaft 42 Impeller drive shaft 35 Paddy sorting wind path

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor, Yumi Okada             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. (72) Inventor Eiji Mori             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. F-term (reference) 4D043 AA02 DA01 GA09 GB02 GB07                       GB15 GB22 GB25 GB26 JA05                       JA07 JA12 JA16 JB04 JB05                       JD01 JD02

Claims (2)

[Claims] 1. A hulling section composed of an impeller blade type removing device 7, and a slid-down section provided with a compressed air fan 13a at the start end side and a suction fan 13b at the end side of the slid-down rice wind selection path 10. In a hulling and sorting machine having a rice wind selecting section 2, a compressed air fan 1
3a, the fan drive shaft 41 and the impeller blades 7b,
The impeller drive shaft 42 for driving the ... Is constituted by double shafts, and the power is transmitted from one side of these double shafts via a speed change pulley so that both can be rotationally changed. The depleted rice from the pudding device 7 is supplied to the sliding rice wind selection path 10 via the depleted rice supply box 8, and the depleted rice supply box 8 and the suction portion of the suction fan 13b are discharged. A hulling and sorting machine characterized by communicating through a dust passage 34. 2. A paddy supply passage 7 for supplying paddy from the paddy hopper 6 to the impeller blades 7b of the impeller blade type removing device 7.
The paddy sorting machine according to claim 1, wherein c and the suction portion of the suction fan 13b are communicated with each other via a paddy sorting air passage 35.