JP3146307B1 - Rice husk crusher - Google Patents

Abstract

A rice husk crushing device that can improve the efficiency of crushing, can be made compact, and can be used without restriction on the installation location. A rice hull crushing chamber (4) is formed in a cylindrical shape, and a crushing rotary blade (8) is provided in an upper portion of the crushing chamber (4). 13,
An opening is freely adjustable, and the upper part of the crushing chamber 4 is communicated with the discharge duct 17 of the crushed rice hull through the shutters 13 and 14, and the fan 11 sucks the husk into the crushing chamber 4 above the crushing chamber 4. Was arranged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a rice husk crushing apparatus.

[0002]

2. Description of the Related Art As is well known, rice hulls are separated into brown rice and rice hulls by a huller, and the rice hulls are further pulverized and used as a high water-absorbing litter or a moisture regulator for composting. . Conventionally, as a rice hull crushing device for crushing rice husk to powdery to coarse particles, for example, there is a batch type as shown in FIG. 4, which includes a rotary blade, a motor for driving the rotary blade, and a crushing chamber. A charging hopper 22 is attached to the upper part of the device body 21, and a blower charging machine is mounted above the hopper 22.
The suction hose 24 has an opening at the tip end, and a discharge hose 26 of a blower discharger 25 is connected to the lower part of the device main body 21.

In order to grind the rice hulls, a blower input device 23 is operated to put the rice hulls stored in a rice hull tank or the like into a hopper 22 via a suction hose 24, and the hopper 22 is supplied to the equipment body 21 from the hopper 22. And pulverized to an arbitrary particle size from powdery to coarse by a rotary blade. After the completion of the pulverization, the blower unloader 25 is operated to suck the pulverized rice hulls from below the pulverizing chamber of the device main body 21 into the unloading hose 26 and deposit them in a storage place or the like.

[0004]

A certain amount of rice hulls to be crushed in the crushing chamber is charged into the crushing chamber, and the fixed amount is crushed and then carried out.
The pulverizing step and the unloading step were completely separated, and the pulverizing operation could not be performed during the unloading operation.

[0005] In addition, the motor for driving the rotary blade and the motor for driving the blower inputting device and the blower unloading device are separately provided. Since the operation is performed from above, an input hopper or the like is required, which increases the size of the apparatus and increases the cost.

Further, since the device is a large-scale device, its installation place is limited, and it is difficult to change the device freely.
It is not easy to use and limits the cases where it can be used.

An object of the present invention is to provide a rice husk crushing apparatus which can solve the above-mentioned disadvantages of the prior art, improve the efficiency of crushing operation, can make the apparatus compact, can be installed at any place, and is easy to use.

[0008]

According to the present invention, in order to achieve the above object, first, a crushing chamber for rice hulls is formed in a cylindrical shape, and a crushing rotary blade is provided at an upper portion in the crushing chamber. A shutter is provided so as to be freely adjustable so as to cover the upper part of the crushing chamber at a position above the crushing chamber, the upper part of the crushing chamber is communicated with the discharge duct of the crushed rice hull through the shutter, and the husk is added to the crushing chamber above the crushing chamber. The gist of the invention is that a fan for sucking air is provided.

Secondly, a cover having a plurality of holes through which the crushed rice hulls pass is interposed between the crushing rotary blade and the shutter. Thirdly, the crushing chamber is formed in a cylindrical shape and crushed. Fourth, the rotary blade is formed in a bar shape that rotates in the circumferential direction of the crushing chamber. Fourth, the shutter is closed above the second shutter having an opening so that the opening of the opening can be adjusted. The gist of the present invention is that the first shutters are rotatably overlapped.

Fifth, the invention is characterized in that holes for sucking rice hulls are appropriately provided on the peripheral wall of the crushing chamber, and sixth, a storage bag for crushed rice hulls is attached to the tip of the discharge duct.

According to the first aspect of the present invention, the rice husk sucked into the crushing chamber from below the cylindrical crushing chamber by the suction force of the fan is rotated by the crushing rotary blade rotating in the upper part of the crushing chamber. The rice hulls that have been pulverized and pulverized into powdery or granular form are conveyed to the upper carry-out duct from the opening of the shutter whose opening degree has been adjusted. In this case, the transfer of the rice husk to the discharge duct is also performed by suction by the fan, and the supply of the rice husk into the crushing chamber and the removal of the crushed rice hull after the crushing from the crushing chamber are performed simultaneously. Then, if the crushing chamber is moved to a place where the rice husk is stored and set, the rice husk can be easily crushed anywhere.

According to the second aspect of the present invention, in addition to the above operation, a cover having a plurality of holes through which the crushed rice hull passes is provided between the crushing rotary blade and the shutter.
Uncrushed rice hulls can be prevented from directly reaching the shutter opening, and the flow to the discharge duct can be smoothly performed.

According to the third aspect of the present invention, in addition to the above operation, the tip of the crushing rotary blade moves along the inner wall of the cylindrical crushing chamber. The hull inside the crushing chamber can be evenly crushed by sliding on the cover.

According to the fourth aspect of the present invention, in addition to the above operation, the opening degree can be easily changed only by rotating the first shutter with respect to the second shutter, and the desired particle size can be obtained. Easy to crush.

According to the fifth aspect of the present invention, in addition to the above-described operation, by appropriately providing a hole for sucking rice hulls on the peripheral wall of the crushing chamber, not only from the opening below the crushing chamber,
Rice husks on the outer side of the peripheral wall can also be sucked into the room and collected there from the peripheral wall portion, thereby improving the crushing efficiency.

According to the sixth aspect of the present invention, in addition to the above-mentioned operation, by attaching a storage bag for crushed rice husk to the tip of the discharge duct, the crushing chamber can be connected to the crushing chamber no matter where the crushing chamber is set. Since the storage bag can be moved integrally, the crushed rice husks can be stored together at the crushing place.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory view showing an embodiment of a rice hull crushing apparatus of the present invention, and FIG. 2 is a bottom view of an upper part of a crushing chamber which is a main part of the rice hull crushing apparatus. The crushing unit 1 includes a driving unit 2 disposed above the crushing unit 1 and a crushed rice husk storage unit 3 communicating with the crushing unit 1.

The crushing unit 1 has an opening 5 for sucking rice hulls at the lower part.
And a main body is formed in a cylindrical crushing chamber 4 having a plurality of suction holes 7a in a peripheral wall, and an upper portion of the main body is closed with a cover 6 having a plurality of suction holes 7b. The cover 6 was formed integrally with a cylinder constituting the crushing chamber 4. The hole 7b is formed in a circular shape near the center of the cover 6.

A bar-shaped crushing rotary blade 8 made of metal is parallel to the lower surface of the cover 6 with a slight gap therebetween.
To be rotatable in the circumferential direction. In this case, the length of the grinding rotary blade 8 is formed substantially equal to the diameter of the grinding chamber 4. In the figure, reference numeral 8a denotes a rotary shaft attached to the center position of the crushing rotary blade 8, and the rotary shaft 8a is connected to a drive shaft of a motor 10 described later.

In the figure, reference numeral 9 denotes a cylindrical casing in which the drive unit 2 is accommodated in an upper part. The lower part of the casing 9 is communicated with the upper cover 6 of the pulverizing chamber 4, and the space between the casing 9 and the cover 6 is formed. The first shutter 13 and the second shutter
14 and a means for adjusting the particle size constituted by the above. The outer shape of the second shutter 14 is substantially equal to that of the cover 6, and a bearing 14a is provided at the center, and a fan-shaped opening 15 is formed at a symmetric position with respect to the bearing 14a.

The first shutter 13 is a second shutter 14
A fan-shaped closing piece 16 protrudes in a symmetrical direction from a bearing 13a arranged at the center. And the first shutter 13 and the second shutter
In the state in which the bearings 14 and 14 are combined, the bearings 13a and 14a are combined and the closing piece 16 is rotatably disposed above the opening 15.

A suction fan 11 is disposed below the motor 10 in a casing 9 in which the drive unit 2 by the motor 10 is disposed in an upper portion. In this case, the rotation drive shaft of the fan 11 is coaxial with the rotation shaft of the crushing rotary blade 8.

At the downstream side of the fan 11, the base end of the discharge duct 17 is opened in the casing 9, and a storage bag 18 of crushed chaff is detachably attached to the tip of the discharge duct 17.

Next, the operation will be described. Prior to crushing the rice hulls, the first shutter 13 is rotated to close the closing piece 16.
The overlapping width of the opening 15 and the opening 15 is appropriately changed, the opening degree of the opening 15 of the second shutter 14 is adjusted, and the size of the crushed chaff powder and grains is set. Then, when the lower opening 5 of the crushing chamber 4 is opened in a mountain of rice hulls, and the motor 10 is driven, the fan 11 operates to suck the rice hulls into the crushing chamber 4 from the lower opening 5 and the surrounding holes 7a. It is. In this case, the rice husks are sucked into the crushing chamber 4 from the lower opening 5 and the surrounding holes 7a as described above, so that the husks can be efficiently collected in the crushing chamber 4 even if the husks are scattered around.

At the same time, the crushing rotary blade 8 rotates, and the chaff sucked into the crushing chamber 4 is ground and crushed in the gap between the crushing rotary blade 8 and the cover 6 which is the ceiling of the crushing chamber 4. The crushed chaff, which has been crushed into powder and granules, is sucked further upward by the fan 11, flows through the hole 7 b of the cover 6, flows into the casing 9 from the opening 15 of the second shutter 14, and is discharged from the duct 9. It flows into the storage bag 18 from 17 and is stored here.

The suction of the chaff into the crushing chamber 4, the crushing in the crushing chamber 4, and the discharge from the crushing chamber 4 to the discharge duct 17 are as follows.
Done at the same time. In addition, the whole apparatus is portable because it is compact, and can be freely moved to the place where the chaff is present.

[0027]

As described above, the rice husk crushing apparatus of the present invention can simultaneously perform suction, crushing, and unloading, so that the efficiency of crushing operation can be improved, the apparatus can be made compact, the installation place is not limited, and the rice husk crushing apparatus can be moved. Because it is free, it is easy to use.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an embodiment of a rice husk crushing apparatus of the present invention.

FIG. 2 is a bottom view of a crushing chamber which is a main part of the embodiment of the rice husk crushing apparatus of the present invention.

FIG. 3 is an exploded plan view of a shutter portion, which is a main part, showing the embodiment of the rice husk crushing apparatus of the present invention.

FIG. 4 is a front view of a conventional rice husk crushing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Crushing part 2 ... Drive part 3 ... Storage part 4 ... Crushing chamber 5 ... Opening 6 ... Cover 7a, 7b ... Hole 8 ... Crushing rotary blade 8a ... Rotating shaft 9 ... Casing 10 ... Motor 11 ... Fan 13 ... First Shutter 13a ... Bearing 14 ... Second shutter 14a ... Bearing 15 ... Opening 16 ... Closing piece 17 ... Export duct 18 ... Storage bag 21 ... Equipment body 22 ... Hopper 23 ... Blower charging device 24 ... Suction hose 25 ... Blower discharging device 26 … Carry-out hose

Claims (6)

(57) [Claims] 1. A rice husk crushing chamber is formed in a cylindrical shape, a crushing rotary blade is provided at an upper portion of the crushing chamber, and a shutter is freely adjustable so as to cover an upper portion of the crushing chamber at a position above the crushing rotary blade. And a fan for sucking rice hulls into the grinding chamber above the grinding chamber is provided, the upper part of the grinding chamber being connected to a discharge duct for the rice hulls via the shutter. 2. The rice husk crusher according to claim 1, wherein a cover having a plurality of holes through which the crushed rice hull passes is interposed between the crushing rotary blade and the shutter. 3. The crushing chamber is formed in a cylindrical shape, and the crushing rotary blade is formed in a bar shape which rotates in the circumferential direction of the crushing chamber.
Or the rice husk crushing apparatus according to claim 2. 4. The shutter according to claim 1, wherein a first shutter for closing the opening is rotatably superimposed on a second shutter having an opening so as to adjust the opening degree of the opening. Item 5. The rice husk crushing apparatus according to any one of Items 3. 5. The rice husk crushing device according to claim 1, wherein a hole for sucking rice husk is appropriately provided on a peripheral wall of the crushing chamber. 6. The apparatus for crushing rice hulls according to claim 1, wherein a storage bag for crushed rice husks is attached to a tip of the carry-out duct.