JPH0740891B2 - Rice mixing method and its equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for mixing rice with seasonings or ingredients such as vinegar.

[0002]

2. Description of the Related Art Conventionally, when making sushi rice by mixing vinegar with freshly cooked rice, a raw material inlet and outlet are provided in a cylindrical rotary container long in the direction of the rotary shaft, and the rotary shaft center is inside the container. A rotary mixing device is used in which two or more partition plates that are parallel to each other are attached and end portions of the partition plates in the direction of the rotation axis are alternately stretched (for example, Japanese Patent Publication No. 62-57).
(See Japanese Patent No. 372).

Then, if necessary, air is forcedly circulated in the rotary container to rapidly cool the rice and quickly remove excess water. In addition to the sushi rice, the rotary mixing device is also used when mixing ingredients with rice to make mixed rice.

[0004]

By the way, in the above-mentioned prior art, since the rice and vinegar and the like hardly move in the axial direction in the rotary container, the vinegar should be mixed with the rice evenly. There was a problem that the rice became dumpling-like and the vinegar could not be evenly mixed, and the mixing time was long and the rice became sticky.

The present invention has been made in view of the above situation, and an object thereof is to allow rice and vinegar to be uniformly mixed in a short time so that the rice does not form a dumpling and is sticky. An object is to provide a method and an apparatus for mixing rice without burning.

[0006]

In order to achieve the above object, the present invention takes the following technical means. That is, the method of the present invention is a method of mixing rice and vinegar put in a rotary container, wherein the rotary container is rotated with its axis of rotation inclined with respect to the axis of the container. A part of the rice etc. rotating in the container by the blades arranged inside is lifted from one of the axial directions of the container and dropped on the other rice etc., and then the axial center of the container It is characterized in that it is lifted from the other side of the direction and dropped on one side of the rice, and the axial movement is repeated alternately.

Further, the device of the present invention is mounted on the base so as to rotate about a rotation axis inclined with respect to the axis and is inserted into the container, the rotation container having one end in the axial direction opened. A lid for removably closing the opening and a rotary drive means for the container. Further, in the device of the present invention, the rotary container can be rotated and removed by the drive wheel and the guide wheel mounted on the base through the rotary ring fixed to the outer circumference of the container in a slanting manner with respect to the container axis. It is characterized by being supported by.

Further, the device of the present invention is characterized in that the guide wheel is pivotally attached to an end of a support arm extending horizontally from an upper portion of the base.

[0009]

According to the present invention, as the rotary container rotates,
A portion of the rice mixed with vinegar in the rotating container is lifted by being supported by the blades, and the rice near one lid falls onto the rice near the bottom of the other container, and then the other rice. The rice near the bottom of the container falls onto the rice near the side of one of the lids, and the rice alternates and moves in the axial direction of the rotating container alternately. Mixing evenly and uniformly, the rice does not become dumpling-like or sticky, and good mixing is performed efficiently.

In addition, when the rice or the like is put into the rotary container, the opening position of the rotary container is up and the lid is opened, and when the rice or the like is taken out from the rotary container, the open position of the rotary container is up. After opening the lid, the opening position may be turned down. Further, when washing the rotating container, the rotating container can be lifted from the guide wheels and the drive wheels of the base to remove it before washing.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of a device for mixing rice or the like according to the present invention, which includes a base 1, a cylindrical rotary container 2 and its lid 3, a support means 4 for the container 2 and a rotary member. It comprises drive means 5 and forced ventilation means 6.

The base 1 is a dolly 8 having free wheels 7.
And a support frame 9 erected on the rear half of the dolly 8, the upper front surface of the support frame 9 is cut out in a substantially stepped manner, and the container support arms 10 are provided at the left and right ends of the upper end front surface 9A. , 10 are projected horizontally, and further, in the center of the upper part of the front end surface 9B of the frame 9, a container support and rotary drive wheel 11 is provided.
Is rotatably mounted via a horizontal drive shaft 12 and bearings 13, 13, and the drive wheel 11 is covered by a cover 14 except the upper part.

The rotation driving means is provided in the frame 9.
5 and the ventilating means 6 are accommodated, and the rice receiver 15 can be placed on the front carriage 8 of the frame 9. The rotary container 2 has one end in the axial center C2 direction (a) (front side).
Has a cylindrical shape with an opening 2A and the other end (b) (rear side) closed by a bottom plate 2B. The inner surface is Teflon-coated and the container 2
The rotating ring 16 is fixed to the outer periphery at a predetermined angle α with respect to the axis C2, and the center of the rotating ring 16 coincides with the rotating axis C.
That is, the axis C2 of the rotary container 2 is inclined by θ (90 ° -α) with respect to the rotation axis C, and the air supply opening is concentric with the rotation axis C on the bottom plate 2B of the rotation container. 17 is provided and the short air supply pipe 18 is fixed.

Further, a lid is provided around the opening 2A of the rotary container 2.
A plurality of clampers 19 that fix the 3 detachably are attached. The lid 3 is in the shape of a disk with a collar, a ring-shaped seal packing 20 is fitted on the inner peripheral edge, an exhaust opening 21 is provided in the center, and a wire mesh 22 is fixed. An exhaust diverting disc 23 is detachably attached at a predetermined interval outside the exhaust gas so that the exhaust gas does not blow out forward. Two flat blades 24 are symmetrically fixed to the inner surface of the lid body 3 in a plane that passes through the center of the lid body 3 and is orthogonal to the lid body 3. Is extended so that its tip is located near the bottom plate 2B of the rotary container 2 (see FIG. 3). In addition, 25 is a handle.

When the lid 3 is attached to the rotary container 2, the blades 24 are positioned and inserted in the direction in which the container axis C2 is inclined with respect to the rotation axis C, and the clamper 19 is inserted.
Fixed by. The support means 4 is the rotary drive wheel.
11 and guide wheels 26, 26 which are pivotally attached to the front ends of the arms 10, 10 so as to be removable and rotatable about a horizontal axis, and the rotary container 2 is rotated by the rotary ring 16. The bearing is freely supported and the rotary container 2 is driven by the rotary drive wheel 11. The drive wheel 11 uses an elastic material such as rubber on the outer circumference in order to reliably transmit the driving force. Further, the rotary container 2 can be easily lifted and removed by loosening the guide rollers 26, 26 and moving it forward.

The drive means 5 includes a motor 27 with a speed reducer mounted in the center of the lower portion of the frame 9, a drive chain wheel 29 fixed to a motor output shaft 28, and a transmission chain wheel fixed to the horizontal drive shaft 12. 30 and both wheels 2
It consists of an endless chain 31 hung on 9,30.
The forced ventilation means 6 is composed of a blower 32 and a blower pipe 33 provided in the frame 9, and the tip of the blower pipe 33 is concentric with the rotation axis C at the center of the front end 9A of the upper end of the frame 9. Is communicated with the air outlet 34 provided in
At the center of the front surface 9A of the upper end of the frame, a short tubular air outlet pipe 35 is concentrically attached to the rotation axis C and is detachably attached so as to enter the short air supply pipe 18, and is attached to the mouthpiece 35. A wire mesh 36 that closes the opening is fixed. A filter 37 is attached to the intake port of the blower 32 to prevent dust from entering.

Next, the operation of the above embodiment will be described with reference to FIGS. 4 and 5 as well as the case where vinegar is mixed with the rice M. First, the opening 2A of the rotary container 2 is positioned upward as shown by the chain double-dashed line in FIG. 1, the lid 3 is removed from the rotary container 2, and the required amount of cooked rice M is added and the required amount of vinegar is added. In addition, after closing the opening 2A of the rotary container 2 by the lid 3 to bring it to the state of the two-dot chain line in FIG. 1, the rotary container 2 is rotated around the rotation axis C by the driving means 5 so that the rice M and vinegar are roughly Seeing the case of mixing, the air is forcedly supplied into the rotary container 2 by the ventilation means 6 to cool the rice M while mixing.

As shown in FIG. 4, when the rotary container 2 is rotated in the direction shown by the arrow (c) in the figure, the food on the bottom plate 2B side when the opening 2A is upward as shown in FIG. M rotates in the opposite direction to the rotary container 2 and one blade 24A causes the rice M
4 (b) in the sideways state after part of the
In the state shown in FIG. 4 (c) in which the opening 2A faces downward as shown by the arrow (d) in FIG.
Is moved to the opening 2A, that is, the lid 3 side, and the rotating container 2 is further rotated, a part of the rice M is lifted by the other blade 24B, and then as shown by an arrow (e) in FIG. 4 (d). Then, the rice M falls on the rice M on the bottom plate 2B side of the container, and when the opening 2A faces upward, the rice M moves toward the bottom plate 2B.

As described above, since the container axis C2 is inclined with respect to the rotation axis C, the rice M in the rotating container 2 moves back and forth in the direction of the container axis C2, and the front and back are alternately switched.
Therefore, the rice M can be mixed smoothly and surely and efficiently, and the rice M can be sufficiently mixed in a short time, and the stickiness of the rice M can be prevented. You can

Further, when the rice M is cooled while being mixed by the forced ventilation means 6, the rice M is rapidly cooled, and shiny sushi rice having a good appearance can be prepared. The flow of air in the rotary container 2 is as shown in FIG.
As shown in (c), a circulation flow is formed in the direction of the rotation axis C, and the presence of the rice M causes the exhaust opening 21 to be opened at the upper, lower, left and right sides of the opening 2A.
When the amount of air exhausted from is different and opening 2A is facing upward,
The number of openings 2A is larger than that in the left-right direction, and the number is smaller when the openings 2A are in the lower direction, so that cooling is efficiently performed.

Further, in the first embodiment, the support arm 10 can be held and pushed. FIG. 6 shows a second embodiment of the device of the present invention. The difference from the first embodiment is that the horizontal drive shaft 12 of the drive wheel 11 is directly connected to the output shaft of the motor 27, and the guide wheel 26 stands on the frame 9. It is pivotally attached to the pillar 38 provided, and a ventilation gap is formed between the air outlet gold 35 and the air supply short pipe 18,
Air is applied to the bottom plate 2B of the rotary container 2 to directly forcibly cool it, and the seasoning supply pipe 39 such as vinegar is connected to the air supply short pipe.
The point is that it can be inserted into and removed from the rotating container 2 from the 18 side.
A water drain hole 40 is provided in the lower curved portion of the blower pipe 33.

The mixing operation of the rice M in the second embodiment is carried out in the same manner as in the first embodiment, and the cooling is carried out in the same manner, but a part of the cooling air directly cools the bottom plate 2B of the rotary container 2 so that the rice M is cooled. The effect is enhanced, mixing can be performed while mixing seasoning such as vinegar into the rotating rice M, and water that has dripped on the inner surface of the blower pipe 33 due to condensation of steam can be easily drained from the drain hole 40. it can.

FIG. 7 is a schematic sectional view of a rotary container 2 which is a main part of a third embodiment of the device of the present invention. An air supply opening 17 and an air supply short pipe 18 are provided on the peripheral wall of the rotary container 2. It is different from the first embodiment in the point, and the same effect as that of the first embodiment can be expected. 8 and 9 show another embodiment of the blade 24. In FIG. 8, the blade 24 is twisted, and in FIG.
Is shaped like a comb.

In each of the above embodiments of the present invention, when the mixed rice is taken out from the rotary container 2, the lid 3 is removed with the opening 2A facing upward, and the rice receiver 15 is placed on the carriage 8.
By rotating the rotary container 2 by 180 degrees so that the opening 2A faces downward, the rice can be slipped off and taken out easily. When washing the rotating container 2, the guide wheel 26
Loosen and pull it forward slightly from the air outlet gold 35
By separating 18 and lifting the rotating container 2,
It can be easily removed and only the rotating container 2 can be washed.

Further, by performing Teflon processing on the inner surface of the lid 3 and the entire surface of the blade 24, it is possible to prevent the adhesion of the rice and to improve the mixing of the rice. The present invention is
The present invention is not limited to each of the above-described embodiments.For example, the shape of the rotary container 2 may be a rectangular tube shape, an elliptic cylinder shape, etc. The blades 24 can be removably attached to the rotary container 2 or the number of blades can be increased or decreased. Further, the forced ventilation means 6 can be omitted to provide a mixing device without forced cooling, and the rice and the ingredients can be mixed.

[0026]

As described above, the method of the present invention is a method of mixing rice and vinegar in a rotary container, wherein the rotary axis of the rotary container is relative to the axis of the container. A part of the rice etc. that rotates in the container by tilting and rotating and rotating in the container by the blades arranged in the rotating container is lifted from one of the axial direction of the container and dropped on the other rice etc. Then, the container is lifted from the other side of the axial direction of the container and dropped on one of the rice, and the axial direction movement is alternately repeated. It can be made uniform and can be mixed efficiently in a short time, and the rice does not form a dumpling or sticky.

As described above, the device of the present invention is, as described above, a rotating container which is supported on the base so as to rotate about a rotation axis inclined with respect to the axis and which has one end in the axis direction opened. It is characterized in that it is composed of a lid body that attaches a blade to be inserted into the container and that removably closes the opening, and a rotation driving means of the container. The mixture is good, and it is easy to put in and take out rice.

Further, in the device of the present invention, the rotating container is rotated by the drive wheels and the guide wheels mounted on the base through the rotating ring fixed to the outer periphery of the container in an inclined shape with respect to the container axis. Also, since the rotary container is detachably supported, the rotary container can be stably supported and can be smoothly rotated, and the rotary container can be easily removed and cleaned.

The device of the present invention is characterized in that the guide wheel is pivotally attached to the end of the support arm extending horizontally from the upper part of the base, so that the guide arm is pushed and held. It is possible and easy to handle.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view showing a first embodiment of the device of the present invention.

FIG. 2 is a right side view (front view) of FIG.

FIG. 3 is a schematic perspective view of a lid body provided with blades.

4 (a) to 4 (d) are explanatory views of a flow state of rice in a rotary container.

5 (a) to 5 (c) are explanatory views showing the flow of air in the rotary container.

FIG. 6 is a central longitudinal side view showing a second embodiment of the device of the present invention.

FIG. 7 is a schematic vertical sectional side view of a main part (rotary container) of a third embodiment of the device of the present invention.

FIG. 8 is a perspective view showing another example of the shape of the blade.

FIG. 9 is a perspective view showing still another example of the shape of the blade.

[Explanation of symbols]

 1 base 2 rotary container 2A opening 2B bottom plate 3 lid 5 rotary drive means 10 support arm 11 rotary drive wheel 16 rotary ring 26 guide roller C rotational axis C2 rotary container axis

Claims (4)

[Claims] 1. A method of mixing rice and vinegar, etc., placed in a rotary container, wherein the rotary container is rotated with its axis of rotation inclined with respect to the axis of the container, Part of the rice or the like that is rotating in the container by the provided blades is lifted from one of the axial directions of the container and dropped onto the other rice or the like, and then in the axial direction of the container. A method for mixing rice, which comprises lifting from one side and dropping it onto one side of the rice, and repeating the movement in the axial direction alternately. 2. A rotary container supported on a base so as to rotate about a rotation axis inclined with respect to an axis and having one end in the axial direction opened, and a blade inserted into the container. A rice mixing device comprising a lid for detachably closing the opening and a rotation driving means for the container. 3. The rotating container can be rotated and removed by a driving wheel and a guide roller mounted on the base via a rotating ring fixed to the outer circumference of the container in an inclined shape with respect to the container axis. The rice mixing device according to claim 2, wherein the rice mixing device is supported. 4. The rice mixing apparatus according to claim 3, wherein the guide wheel is pivotally attached to a support arm end extending horizontally from an upper portion of the base.