JPH04135649A - Hulling device - Google Patents

Abstract

PURPOSE:To improve the thrashing rate of unhulled rice grains in the device which hulls the unhulled rice while rotating a pair of thrashing rolls in opposite directions at a circumferential speed difference by providing splashing preventive plates projecting to an outer peripheral side in the lateral side end edges of the thrashing rolls. CONSTITUTION:The splashing preventive plates 23 projecting to the outer peripheral side are mounted in the lateral side end edges of the thrashing rolls 3, 3 of a thrashing section 1 by bringing the plates into contact with the lateral outer side faces of the thrashing rolls 3. The thrashing rolls 3 and the splashing preventive plates 23 may rotate integrally or may not rotate integrally. The constitution to provide the splashing preventive plates 23 on both the lateral side faces of the one thrashing roll 3 or to provide one sheet each of the splashing preventive plates 23 on the lateral outer side faces of the respective thrashing rolls 3, 3 may be adopted to provide the splashing preventive plates 23 on the lateral outer side faces of the thrashing rolls 3. The escape of the unhulled rice grains to the lateral outer side of the thrashing rolls 3, 3 is prevented and the unhulled rice grains are securely supported if the splashing preventive plates 23 are previously disposed in both the lateral side ends of the thrashing rolls 3, 3 in such a manner. The thrashing rate is thus improved.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to an improvement in a hulling device that dehulls rice grains while rotating a pair of dehulling rolls in opposite directions with a difference in circumferential speed. It is.

[Prior art and problems to be solved by the invention] In a hulling device that dehulls rice grains while rotating a pair of dehulling rolls in opposite directions with a difference in circumferential speed, it is necessary to There was a problem in that the rice grains supplied to the side edges were difficult to be dehulled, making it impossible to improve the dehulling rate.

Therefore, the present invention aims to improve the dehulling rate by preventing the paddy grains supplied to the lateral ends of the regulation rolls from falling off.

[Means to solve the problem]

The technical means of the present invention for solving such technical problems is a device that removes the hulls while rotating a pair of dehulling rolls 3, 3 in opposite directions with a difference in circumferential speed,
The structure of the hulling device is characterized in that a scattering prevention plate 23, 23 is provided on the lateral edge of the dehulling roll 3 and protrudes toward the outer periphery.

[Function and effect of the invention]

Hulling work is performed by rotating a pair of regulation rolls 3, 3 in opposite directions with a difference in circumferential speed, but at the lateral outer end of the dehulling roll 3 there is a scattering prevention plate that protrudes toward the outer periphery. 23 is provided, the paddy grains supplied to the lateral outer ends of the dehulling rolls 3, 3 are prevented from scattering outward.
It is firmly sandwiched between a pair of dehulling rolls 3, 3 and scattering prevention plates 23, 23, and has a strong dehulling action, thereby improving the dehulling rate of the paddy grains.

〔Example〕

Embodiments of the invention shown in the drawings will be described below.

First, the configuration of the embodiment will be explained. 1 is a de-hulling part, and this de-hulling part 1 is connected to a paddy hopper 2. A pair of regulation rolls 3,
It is made up of 3rd grade. 4 is a sliding rice wind selection path, where the removal section 1 is
The ground rice from the machine is sorted, the rice husks are discharged from the machine through the suction fan 5 and the dust exhaust tube 6, and the mixed rice of brown rice and paddy is dropped and supplied to the ground rice barley @7 below. The mixed rice that has fallen into the fallen rice catcher 7 is sent to the mixed rice hopper 9 by the mixed rice lifting machine 8.
The mixed rice is then transported to the starting end of the supply gutter 14 which also serves as a mixed rice receiving gutter on the rotary sorting cylinder 11 side.

Reference numeral 10 denotes a sorting case. Inside the sorting case 10, a rotary sorting cylinder 11, which has a large number of pot holes on its inner circumferential surface, is arranged so that it can rotate around a horizontal axis. )
and the sorting end side (left side in Figure 1) is the drive roller 12
, 12, and is rotatably supported. This rotating sorting tube 1
1, a supply gutter 14 with a feed helix 13 and a finishing rice gutter 16 with a finishing rice helix 15 are horizontally suspended.

When disposing this supply @ 14 and finished rice @ 16 in the rotary sorting cylinder 11, as shown in FIG. In addition, a finishing rice bowl 16 is arranged on the side of the rotary sorting cylinder 11 that rotates from above to below, and the mixed rice scraped up by the pot hole of the rotary sorting cylinder 11 is dropped into the supply @14.
The rice is transferred to the terminal end of a supply gutter 14 by a supply helix 13, and the feed gutter 14 also functions as a mixed rice receiving gutter.

The discharge side end of the finishing rice gutter 16 is connected to the finishing rice barley @ 119 via the finishing rice flow lower tube 17 and the finishing rice stream grain board 18, and the brown rice is passed through the finishing rice stream to the top tube 17 and the finishing rice stream. Grain plate 18
The brown rice is wind-selected while falling into the finished rice receiving trough 19, and is taken out of the machine via the finished rice lifting machine 20.

Rotating sorting I! A pumping cylinder 21 is connected to the discharge side end of the till. 22 is the paddy reduction gutter, and this paddy reduction 4ii! The upper end portion of 22 has a function of extending to a position below the pumping of the pumping cylinder 21 on the side of the rotary sorting cylinder 11 and returning the paddy pumped upward by the pumping cylinder 21 to the dehulling part 1.

To explain in more detail about the wall removal rolls 3 of the wall removal section 1, at the lateral edge portions of the wall removal rolls 3, 3.

A scattering prevention plate 23 protruding toward the outer periphery is attached in contact with the lateral outer surface of the wall removal roll 3. In addition, the relationship between this de-scattering roll 3 and the scattering prevention plate 23 is as follows.
It may be a type that rotates integrally with the wall removal roll 3, or a type that does not rotate integrally with the wall removal roll 3. In addition, when providing the scattering prevention plate 23 on the lateral outer surface of the wall removal roll 3, the third
As shown in FIGS. 4 and 4, the structure is provided on both lateral sides of one of the demolition rolls 3, or as shown in FIGS. One anti-scattering plate 23 is provided at each side to prevent the rice grains from scattering from both lateral sides of the dehulling rolls 3, 3. .23, the demolition roll 3 and the scattering prevention plate 23 may be made of the same material or a harder material and molded integrally with the demolition roll 3, or drum 2
Alternatively, as shown in FIGS. 7 and 8, a scattering prevention plate 23 fixed to the fuselage side is attached to both lateral ends of the pair of demolition rolls 3, 3 from above. A configuration may also be adopted in which no rice grains are supplied to the lateral outer ends of the dehulling rolls 3, 3.

In this way, by arranging the scattering prevention plates 23 at both lateral ends of the dehulling rolls 3, 3, it is possible to prevent the paddy grains from escaping to the lateral outside of the dehulling rolls 3, 3. The rice grains are firmly supported by the culling rolls 3, 3 and the scattering prevention plate 23, and the devolatilization rate can be improved.6 Next, FIGS. 9 and 10 will be explained.

When joining the paddy hopper 2 of the dehulling section 1 and the sorting case 10 on the rotary sorting cylinder 11 side, the rear plate section 2a of the paddy hopper 2 is
The middle upper part of 1. is cut out to form a cutout part 2b. The paddy return gutter 22 is fitted into the cutout part 2b and fixed to the sorting cover 10 with bolts and nuts.
It has a structure in which the cutout portion 2b of the paddy hopper 2 is brought into contact with the cutout portion 2b. With this configuration, the side surface of the paddy hopper 2 (the 11th
Even if the paddy grains are supplied from a direction perpendicular to the direction (along the plane of the figure) by leaning against the bag containing the paddy grains, the force applied to the paddy hopper 2, which is attached to the sorting case 10, is reduced. Since it is supported by the paddy return gutter 22, the paddy hopper 2 is firmly supported without wobbling, and also when removing the sorting case 10 of the rotary sorting tube 11 from the machine body, the paddy return gutter 22 can be removed. It can be quickly attached and detached.

Next, referring to FIG. 11, a pumping upper and lower cylinder body 21 in which pumping wing pieces are provided at predetermined intervals is attached to the discharge side end of the rotary sorting cylinder 11.
On the inner periphery side and above the supply gutter 14 and the finished rice gutter 16, there are provided an upper side guide plate 25, a paddy return gutter 22, and a side guide plate 26. Supply gutter 1
4, there is a front receiving plate 27 and a paddy return gutter 2.
A rear side receiving plate 28 is provided at the upper part of the finishing rice gutter 16 of No. 2, and this front side receiving plate 27 is extended toward the pumping cylinder 21 side with a gentle upward slope. The configuration is such that the distance between the tip of the rear receiving plate 28 and the pumping cylinder 21 is approximately the same. Therefore, the grains pumped up by the pumping cylinder 21 as the rotary sorting cylinder 11 rotates can be well caught by the front receiving plate 27 extending with a gentle upward slope on the upper side of the rotation of the pumping cylinder 21, and the grains are The grains pumped up into the return gutter 22 can be well collected by the rear side receiving plate 28 which is close to the pumping cylinder 21, and the efficiency of pumping up the grains can be improved.

Next, the operation of the embodiment will be explained.

When carrying out hulling work, raw materials are supplied to the paddy hopper 2,
Drives each rotating part of the rice huller and sorter. Then, paddy hopper 2
The paddy supplied to the dehulling section 1 is subjected to the action of the dehulling section, the dropped rice is sorted in the downward rice sorting channel 4, and the rice husks are sent to the dust collecting pipe 6.
is ejected from the aircraft. The mixed rice of brown rice and paddy is fed by falling through the rice receiving trough No. 7, and is fed to the starting end side of the supply trough 14 on the rotary sorting cylinder 11 side through the mixed rice hotsuno 9 in the mixed rice grain lifting machine 8. It is lifted up and supplied to the sorting start end side of the rotary sorting tube 11 by the supply helix 13 in the supply gutter 14.

Next, the mixed rice is scraped up by the pot hole of the rotary sorting cylinder 11 which is rotating clockwise in FIG.
Mixed rice of long grain length paddy and some brown rice is scraped up low and falls into the supply @ 14 or the rotary sorting tube 11 for sorting. At step 13, the material is supplied again from the conveyance terminal end of the supply gutter 14 to the sorting start end side in the rotary sorting cylinder 11, and is re-sorted.

In addition, the finished rice that has fallen into the finished rice @ 116 is conveyed to the finishing rice flow lower cylinder 17 by the finishing rice helix 15, and is transferred to the finishing rice flow grain plate 1.
8, the finished rice is sorted by a sorting wind while falling into the finished rice receiving trough 19, and is taken out of the machine by the finished rice lifting machine 20.

The sorted rice sent to the discharge side end of the rotary sorting tube 11? The main grain enters the pumping cylinder 21, is pumped up by the pumping cylinder 21, falls into the upper paddy return gutter 22, is returned to the dehulling part 1, and is subjected to the dehulling action again in the dehulling part 1. It is something you receive.

[Brief explanation of the drawing]

The drawings show an embodiment of the invention; FIG. 1 is a cutaway side view, FIG. 2 is a cutaway rear view, FIG. 3 is a side view,
Fig. 4 is a plan view, Fig. 5 is a side view, Fig. 6 is a plan view, Fig. 7 is a side view, Fig. 8 is a plan view, Fig. 9 is a
FIG. 10 is a perspective view, FIG. 10 is a cutaway side view, and FIG. 11 is a cutaway rear view. Explanation of symbols 1 Dehulling section 2 3 Dehulling roll 4 5 Suction fan 6 7 Slipped rice catcher 8 10 Sorting case 11 12 Drive roller 13 Paddy hopper Slipped rice wind sorting path Dust exhaust tube Mixed rice grain lifting machine rotary sorting Tube supply Spiral supply gutter Finishing gutter Finishing rice flow Lower tube Finished rice receiving gutter Pumping cylinder Shatter prevention plate Upper guide plate Front side receiving handling 15 Finished rice spiral 16a Finished rice control valve 18 Finished rice flow grain plate 20 Finished rice grain lifting machine 22 Rice return gutter 24 Drum 26 Falling side guide plate 28 Rear side receiving plate

Claims (1)

[Scope of Claims] [1] A device that removes the hulls while rotating a pair of removing rolls 3, 3 in mutually opposite directions with a difference in circumferential speed, wherein the lateral edge of the removing rolls 3 A rice hulling device characterized in that scattering prevention plates 23, 23 are provided that protrude toward the outer circumference.