JP3409010B2 - Equipment for mixing ingredients such as rice - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for mixing food materials such as rice suitable for producing sushi rice by mixing vinegar with rice.

[0002]

2. Description of the Related Art A conventional mixing device for foods such as rice is shown in FIG.
As shown in FIG. 3, rice and vinegar R are put in a foodstuff mixing container 1 having an opening 1a on the upper surface, and while the container 1 is rotated around a central axis a, a rotating machine base 3 and an arrow mark are provided around the shaft 2. The rice in the container and the vinegar R were mixed by rotating in the A or B direction. Further, a blower 4 is provided inside the rotating machine base 3, and the cooling air from the blower 4 is blown into the inside of the container 1 from the air blow hole 7 through the hollow shaft 5 and the connecting pipe 6 to cool the stirred rice. It had the constitution (Japanese Patent Laid-Open No. 6-170203).

[0003]

By the way, according to the above-mentioned conventional mixing device, the cooling air blown from the air blowing hole 7 is discharged from the upper opening 1a of the mixing container 1 to the outside of the container 1. There was a problem that the room in which the device was installed was filled with the smell of vinegar and the working environment deteriorated. Further, since the mixing container 1 itself rotates in the direction of the arrow A or B while discharging the cooling air from the opening 1a, the exhaust air is dispersed in a wide range, and the exhaust air is rotated even when the ventilation fan provided in the room is rotated. There was a problem that the air could not be exhausted to the outside efficiently.

The present invention relates to a mixing device for foodstuffs such as rice, which solves the above-mentioned conventional problems, can secure a discharge path for cooling air, and can improve the working environment.

[0005]

Means for Solving the Problems The present invention for achieving the above object, mixing inside the food while being rotated about a vertical rotation shaft provided on the rotating machine base about the horizontal axis mixing device der ingredients such as rice with food mixing vessel
And Tsu, thereby sealably constituting the ingredients mixing vessel,
A projecting portion that projects inside the container along the center of rotation of the container is provided, and an air hole that allows the air in the container to enter and exhaust is provided in the projecting portion. By providing a cooling air blower capable of blowing cooling air into the container through the exhaust air and an exhaust air introduction part capable of introducing exhaust air introduced into the air holes, the blower part and the introduction part are provided as described above. An exhaust unit is provided which is disposed in the projecting portion and can discharge the exhaust air sent from the exhaust air introduction unit to the outside of the mixing container, and the cooling air blower unit is supplied with cooling air from a blower. In addition, the exhaust air sent from the exhaust air introduction unit can be discharged to the outside of the mixing container through the exhaust unit. It is a thing.

Therefore, the foodstuffs inside are mixed by throwing the foodstuffs into the foodstuff mixing container and rotating the container. The cooling air sent from the blower is discharged from the cooling air blowing unit into the mixing container through the air holes of the mixing container, and cools the food material inside the container. Since such a food material mixing container is hermetically closed, the cooling air blown into the container is introduced from the air holes of the container to the discharge air introduction portion and discharged to the outside of the container. Therefore, it is possible to secure the exhaust air discharge path and discharge the air at a predetermined position even while the foodstuffs are being rotationally mixed in the foodstuffs mixing container. Further, since the air holes are provided in the projecting portion along the rotation center, it is possible to provide a wide storage area for the foodstuffs in the mixing container and to blow the cooling air evenly to the foodstuffs around the projecting portions. Further, the discharge air can be discharged from the air hole of the projecting portion through the discharge air introducing portion, and the discharge path of the discharge air can be secured. Further, even while the food is mixed in the food mixing container, the exhaust air is exhausted through the air hole and the exhaust air introduction portion by the exhaust portion such as an exhaust stack, so that the exhaust portion is located near the exhaust fan, for example. Ventilation can be performed efficiently by installing it.

Secondly, a cooling air guide passage for guiding the cooling air from the blower to the cooling air blower, and
An apparatus for mixing foodstuffs such as rice according to the first aspect of the present invention, wherein an exhaust air guiding path for guiding the exhaust air from the exhaust air introducing section to the outside of the container is provided in the machine base. It is composed of

Therefore, by connecting a blower pipe or the like from the blower to the cooling air guide passage of the machine base, it is possible to blow the cooling air into the mixing container through the guide passage of the machine base. Exhaust air sent through the exhaust air guide path of the stand can be discharged to the outside of the mixing container via the exhaust pipe, etc., and an exhaust path can be secured even while the food is mixed in the food mixing container. The air can be exhausted at a predetermined position.

Thirdly, the rotary shaft is provided in a vertical direction to serve as a vertical rotary shaft, the machine base is supported by a horizontal shaft orthogonal to the rotary shaft, and the foodstuff mixing container is rotated about the horizontal shaft. It is configured by the mixing device for food materials such as rice according to the first or second invention, which is configured to be possible.

The foodstuff mixing container rotates about a vertical rotation axis while performing a rotational movement about a horizontal axis, whereby the foodstuffs in the container can be mixed. Therefore, even while the food mixing container is rotated and the food is mixed, the discharge air is discharged from the inside of the container to the outside of the container through the discharge air introduction part, and thus is discharged from the discharge air introduction part. The air can be discharged at a predetermined position through a discharge pipe or the like, and the exhaust air is not discharged in a wide range according to the rotation of the container.

Fourthly, the horizontal shaft for supporting the machine base has a hollow structure, and the cooling air is blown from the horizontal shaft to the cooling air blower. It is configured by a mixing device for the ingredients such as the described rice.

Therefore, the cooling air from the blower is blown into the horizontal shaft so that the horizontal shaft can be used as a blower pipe for the cooling air.

Fifthly, a condensation part for accumulating the air discharged from the discharge air introduction part is provided, and a moisture discharge port is provided at the condensation part. It is configured by a mixing device for food materials such as rice described in the invention.

Therefore, the exhaust air temporarily accumulates in the condensation portion, and the water contained in the air can be discharged from the water discharge port, so that the discharged air can be dried with a small amount of humidity. Further, it is possible to prevent the condensed water from returning to the mixing container by rotation.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In FIG. 1, reference numeral 11 denotes a main body having a substantially L-shaped side surface, a bottom plate portion 11a having an inclined mounting portion 11a 'of a container P for feeding rice (see FIG. 10), and a rotating machine stand 16 described later. The drive motor 18 and the upright portion 11b for accommodating devices such as the cooling air blower 25.

In the upright portion 11b, 13 is a horizontal shaft (horizontal axis), and one end 13a thereof is rotatably supported by a bearing disc 14 fixedly provided on the rear surface of the upright portion 11b. Further, the other end 13b of the horizontal shaft 13
A hollow shaft 15 having a plurality of air holes 15a, 15b, 15c and the like formed on the side surface thereof is connected to (see FIGS. 7 and 8). The other end of the hollow shaft 15 has the upright portion 1
1b penetrates through a rear surface 11c 'of a cooling air condensation portion 11c provided in a circular concave shape on the front surface side, and is connected and fixed to a rear surface 16a of a rotating machine stand 16 on the front surface side of the upright portion 11b via a bearing 15'. Accordingly, the hollow shaft 15 supports the rotary base 16 so as to be rotatable in the directions of arrows C and D (see FIG. 8). Further, the other end of the hollow shaft 15 is opened in the turning base 16 with an opening 15d (see FIG. 8).

Reference numeral 17 denotes a sealing box provided so as to cover the air holes 15a, 15b, 15c and the like of the hollow shaft 15, into which cooling air from a blower 25 described later is sent. Is.

Reference numeral 18 denotes a forward / reverse rotation drive motor provided in the upright portion 11b. A rotating arm 19 is connected to the crank of the motor 18 (see FIG. 3), and a connecting rod 20 is provided at the tip of the arm 19. One end 20a of which is pivotally supported. On the other hand, a rotary arm 21 extending in the radial direction of the shaft 13 is fixed to the horizontal shaft 13, and the other end 20b of the connecting rod 20 is pivotally supported at the end of the arm 21. There is. Therefore, when the motor 8 is rotated in the direction of arrow C or D, the horizontal shaft 13 and the hollow shaft 15 are moved in the direction of arrow C or D through the rotary arm 19, the connecting rod 20, and the rotary arm 21. As a result, the rotating machine base 16 connected to the hollow shaft 15 can be rotated about the horizontal axis b in the arrow C direction or D direction (FIGS. 9 and 10). reference).

Further, the limit switches 22a, 22b, 2 are provided on the board surface of the mounting board 24 on the front side of the rotating arm 19.
2c is provided, and the rotating arm 19 is provided with a cam 23 that turns together with the arm 19 to turn on and off the respective switches. When the limit switches 22a and the like are turned on, the motor 18 is turned on. It is configured to automatically stop the rotation of. That is, the limit switch 2
At the time when 2a is turned on, the rotating machine base 16 and the foodstuff mixing container 12 installed on the machine base 16 are upright, as shown in FIG.
When the switch 22b is turned on, the food material mixing container 12 is tilted upward at an angle of 45 degrees as shown in FIG. 9, and when the switch 22c is turned on, the container 12 is tilted at an angle of 45 degrees downward at a position shown in FIG. It is configured to stop each.

In the upright portion 11b, a blower 25 blows cooling air into the closed box 17 through a blower pipe 26.

Reference numeral 27 denotes a circular sealing lid for sealing the condensation portion 11c (see FIGS. 8 and 4), and the upright portion 11b.
The three bolts 28 are attached to the front plate 16b 'of the vertical portion 16b of the rotary base 16 so as to be flush with the front plate 11b'.
A shield member 27a for preventing air leakage from the outer periphery of the condensation portion 11c is provided on the outer periphery of the entire periphery thereof. The circular sealing lid 27 is provided in the direction of arrow C or D of the rotating machine base 16.
It rotates together with the machine base 16 in accordance with the rotation in the direction, and a connecting portion 27b between the lid 27 and the rotary machine base 16 is also provided.
Has a shield structure to prevent air leakage in the condensation portion 11c.

Next, the internal structure of the rotating machine base 16 will be described with reference to FIG. The rotating machine base 16 includes a vertical portion 16b having a taper portion 16b ′ that is inclined forward and a horizontal portion 16 that supports the foodstuff mixing container 12.
c and has a hollow structure inside. On the rear surface 16a of the vertical portion 16b, as described above, the hollow shaft 15 is opened inside the rotating machine base 16 with the opening portion 15d, and the cooling air from the air hole 15a and the like is discharged. The cooling air communication portion 28a is formed in the vertical portion 16b so that it can be introduced into the machine base 16.

Further, inside the horizontal portion 16c, central separation walls 29a and 29b are provided so as to separate the inside of the horizontal portion 16c in the left-right direction, and the inside of the horizontal portion 16c is on the right side by the separation wall 29a and the like. Is separated into the cooling air guide passage 28b and the left exhaust air guide passage 28c. The separation wall is formed by an air guiding hollow cylinder 31 described later on the rear wall 29.
It is divided into a and a front wall 29b.

A top plate 30 is fixedly provided on the upper surface of the inside of the horizontal portion 16c, and the cooling air guide passage 28b is provided.
Is provided with a cutout 28b 'on a portion of the cooling air communication portion 28a side.
Is provided, the cooling air communicating portion 28a and the cooling air guiding path 28b are communicated with each other in the machine base 16. Further, the top plate 30 on the exhaust air guide path 28c side is not provided with such a notch, and the end portion 30a of the top plate 30 has the vertical portion 16b rear surface 16a.
The exhaust air guide passage 28c has an opening 28c 'in the condensation portion 11c (see FIG. 8). The top plate 30 has the air guiding hollow cylinder 3
A circular notch 30b for arranging 1 is provided.

Reference numeral 31 denotes upper and lower end closures which are erected and fixed to the horizontal portion 16c so as to vertically pass through the central portion of the horizontal portion 16c across the cooling air guiding passage 28b and the exhaust air guiding passage 28c. The air guide hollow cylinder of the notch 3
0b and the contact portions with the separation walls 29a and 29b have a shield structure that prevents air from leaking. At the center of the inside of the hollow cylinder 31, a separation wall 32 is installed over the entire length in the vertical direction to separate the cooling air blower side 31a on the right side of the cylinder 31 and the discharge air introduction side 31b on the left side of the cylinder 31. Further, a long hole 31a 'for air blowing is provided on the right side (blower side) across the partition wall 32 in the upper half of the outer periphery of the hollow cylinder 31, and exhaust air is provided on the left side (exhaust air introduction side). An elongated hole 31b 'for introducing the is provided.

In the lower part of the outer periphery of the air guiding hollow cylinder 31, cooling air is introduced from the cooling air guiding passage 28b to the air blowing elongated hole 31a 'on the right side with the separation wall 32 interposed therebetween. A circular hole 31a "is provided, and a circular hole 31 for discharging the exhaust air introduced from the elongated hole 31b 'into the exhaust air guide passage 28c is provided on the left side.
b ″ are provided and these circular holes 31a ″, 31
Both b "are open in the horizontal portion 16c. Therefore, in the present embodiment, the air guiding hollow cylinder 3 is formed.
The right half part of 1 functions as a cooling air blowing part, and the left half part of the hollow cylinder 31 functions as an exhaust air introducing part.

Reference numeral 33 is an exhaust port formed in the rear surface of the condensation portion 11c, 34 is an exhaust guide pipe (see FIGS. 1 and 8) connected to the exhaust port 33, and 35 is the guide pipe 34. The exhaust air is an exhaust pipe erected on the upper surface of the upright portion 11b, and the exhaust air introduced into the condensation portion 11c through the opening 28c ′ passes through the exhaust port 33 and the exhaust induction pipe 34. The exhaust pipe 35 is configured to be discharged to the outside.

Reference numeral 36 is a moisture outlet provided at the lower end of the condensation portion 11c, and 37 and 38 are hoses connected to the discharge outlet 36. The moisture contained in the discharge air in the condensation portion 11c is the condensation portion 11c. It is configured to flow downward inside and be discharged from the discharge port 36 to the hoses 37 and 38 (see FIGS. 2 and 8).

Next, the structure relating to the rotational drive of the food material mixing container 12 will be described with reference to FIG. Reference numeral 39 denotes a ring-shaped bearing fixedly provided on the upper surface of the horizontal portion 16c so as to surround the peripheral edge of the air guiding hollow cylinder 31, and supports thrust bearings 39a and 39b therein. The lower portion 39c of the bearing 39 has a shield structure that is in close contact with the upper surface of the horizontal portion 16c and the side surface of the air guiding hollow cylinder 31 to prevent leakage of air entering and exhausting from the air hole 12b of the food mixing container 12. There is.

40 is supported 40a by the bearing 39,
A sleeve with gears provided rotatably around the bearing 40 about a central axis a ′, and the upper end thereof has a connecting flange 1 of a connecting sleeve 12c of the foodstuff mixing container 12.
A connecting flange 40b is provided to connect with 2c '. On the outer periphery of the lower end of the geared sleeve 40, a mounting disc 41
A large-diameter gear 42 for rotating the mixing container 12 is provided via the.

Reference numeral 43 designates a mounting board fixed on the horizontal portion 16c, and 44 designates a drive motor provided adjacent to the horizontal portion 16c on the lower surface side of the mounting board 43 (see FIG. 2). A small-diameter gear 45 fixed to a pulley of 44 meshes with the large-diameter gear 42 to drive the large-diameter gear 42 by driving the drive motor 44 to move the geared sleeve 40 to the arrow E (or It is driven to rotate in the F direction (see FIG. 7), and as a result, the foodstuff mixing container 12 connected to the sleeve 40 is rotated about the central axis (vertical rotation axis) a ′.
Is configured so as to be rotationally driven in the direction of arrow E (or F direction). Reference numeral 46 is a gear cover for covering the gears and the like on the upper surface of the mounting substrate 43.

The above food mixing container 12 has a cylindrical shape with an upper opening 12a, and a lower end open hollow cylinder 1 having a plurality of air holes 12b, ...
2'is formed as a protruding portion so as to stand upright with the mixing container 12 (see FIG. 5). A connecting sleeve (rotating shaft) 12c having a connecting flange 12c ′ is provided in the center of the lower surface of the mixing container 12 (see FIG. 6), and the air guiding hollow cylinder 31 is arranged in the hollow cylinder 12 ′. So as to cover the mixing container 12 from above the hollow cylinder 31,
The coupling flange 12c 'and the geared sleeve 40
It is installed on the rotating machine base 16 by connecting with the connecting flange 40b (see FIGS. 6 and 8). As a result, the mixing container 12 together with the geared sleeve 40 is driven by the drive motor 44 so that the central axis a'is centered on the arrow E.
(Or F direction). At this time, since the inner diameter of the hollow cylinder 12 'is formed to be slightly larger than the outer diameter of the air guide hollow cylinder 31, the fixed air guide hollow cylinder 31 inside the hollow cylinder 12' is the mixing container 12 '.
There is no hindrance to the rotation of. Further, hooks 12d for connecting with the lid 47 are provided at three locations on the outer peripheral portion of the mixing container 12.
・ Is provided.

Reference numeral 47 denotes a lid of the mixing container 12, which closes the upper opening 12a of the mixing container 12.
Fittings 47a, ... Are provided at three positions on the periphery of the lid 47. Then, the lid 47 is attached to the mixing container 12
Is attached to the upper surface of the container 12, and the fittings 47a, ...
The upper surface opening 12a of the mixing container 12 can be closed to configure the container 12 in a sealed state. Also,
Stirring bars 47b, ... Are provided at three positions on the back surface of the lid 47 at regular intervals, so that the rice and vinegar R put into the mixing container 12 can be stirred when the lid is closed. There is.

Reference numeral 48 denotes a lid engaging portion provided so as to project from the upper surface of the upright portion 11b, and both left and right tapered surfaces 48a, 48 whose width gradually increases from the upper end to the lower side.
b. By engaging the handle 47c of the removed lid 47 with the lid engaging portion 48, the lid 47 can be engaged and stored in the lid engaging portion 48 when the lid is not used. Reference numeral 48 'is a mounting portion of the lid 47.

Since the present invention is constructed as described above,
In order to mix rice and vinegar R with the apparatus according to the present invention, first, the lid 47 of the mixing container 12 is removed, and then the rice and vinegar R are put into the container 12, and the lid 47 is put on the fittings. 47d is engaged with each hook 12d to seal the mixing container 12. Next, the drive motors 18 and 44 and the blower 25 are turned on to start the rice mixing operation. When the drive motor 44 is turned on, the small-diameter gear 45 rotates, and the large-diameter gear 42 meshing with the small-diameter gear 45 rotates in the arrow E (or F direction).
The foodstuff mixing container 12 and the hollow cylinder 12 ′ coupled to the geared sleeve 40 start to rotate about the central axis a ′ in the arrow E (or F direction). At this time, since the air guiding hollow cylinder 31 inside the hollow cylinder 12 ′ is fixed to the horizontal portion 16 c, only the mixing container 12 and the hollow cylinder 12 ′ on the outer periphery of the hollow cylinder 31 are in a rotating state. Become.

By the operation of the blower 25, cooling air is blown to the closed box 17 through the blower pipe 26,
The air is supplied to the hollow shaft 15 through a plurality of air holes 15a, 15a.
The air is blown into the shaft 15 from b, etc.
From the opening 15d of the cooling air communication portion 2 in the rotary base 16
8a, and the horizontal portion 1 through the notch 28b '.
The air is blown into the cooling air guide path 28b in 6c (FIG. 4).
Arrow s1 to s3). Then, the cooling air flows from the guide passage 28b to the circular hole 31 of the air guide hollow cylinder 31.
a) through the same hollow cylinder 31 to rise inside the hollow cylinder 31 and be blown to the outside of the hollow cylinder 31 through the long hole 31a '(arrows s4, s5, s6), and the hollow hollow Tube 1
It is discharged into the container 12 through the air holes 12b on the outer periphery of 2 '(see arrow s12 in FIG. 7). At this time, since the foodstuff mixing container 12 is rotating, the rice and vinegar R in the container 12 are rotated.
You can even cool the rice by blowing it evenly.

When the drive motor 18 is turned on, the rotating arm 19 rotates in the direction of arrow D, and the horizontal shaft 13 and the hollow shaft 15 move in the direction of arrow D by the connecting rod 20 and the rotating arm 21 connected thereto. As the mixing container 12 rotates, the mixing container 12 rotates and rotates about the horizontal axis b in the direction of the arrow D together with the rotating machine base 16 and tilts at the time when the limit switch 22b is turned on, that is, at an angle of 45 degrees upward. At a time point (position in FIG. 9), the rice is temporarily stopped, and the rice is stirred and mixed while rotating on its own axis. After that, when the rotating arm 19 further rotates in the direction of arrow D, the mixing container 12 further rotates in the direction of arrow D, and when the limit switch 22c is turned on, that is, when the limit switch 22c is inclined 45 degrees downward ( 10) and the mixture is stirred and mixed while rotating at this position. Next, the drive motor 18 rotates in the opposite direction, and when the connecting arm rotates in the arrow C direction, the mixing container 12 rotates in the arrow C direction via the connecting rod 20 and the rotating arm 21. In the reverse order to the above, when the limit switch 22a is turned on, that is, the mixing container 12 is temporarily stopped at the vertical position facing upward (the position of FIG. 2).

The air blown by the blower 25 is performed by the container 12
This is continued while the rice stirring operation by the rotation and rotation operation of is performed. That is, the cooling air is blown mainly toward the right side of the rotating mixing container 12 from the long hole 31a ′ of the air guiding hollow cylinder 31 fixed as described above, but the stirring operation is performed by the mixing container 12 described above. The arrow itself is in the E direction (or F direction)
And the container 12 itself is rotated by the arrow C as described above.
Alternatively, since it is performed while rotating in the D direction, the rice in the container 12 is sufficiently stirred by the stirring rod 47b, and the cooling air is evenly blown to the stirred rice.

The air blown into the mixture 12 is sealed through the container 12, so that the air is blown from the left side of the container 12 through the air holes 12b of the hollow cylinder 12 '. The air guiding hollow cylinder 31 is introduced into the hollow cylinder 31 through a long hole 31b ′ for introducing the discharge air (arrow s13 in FIG. 7), and the inside of the hollow cylinder 31 is lowered to a circular hole 31b ″ at the lower end. Air discharge passage 2 in the horizontal portion 16c
8c (arrows s7 to s10 in FIG. 4).
Then, it passes through the guideway 28c and enters the condensation portion 11c through the opening 28c 'of the guideway 28c (arrow s1.
1), after filling the condensation portion 11c, the exhaust port 33
Further, it enters the exhaust pipe 34, passes through the exhaust pipe 34, and is discharged upward from the upper end of the exhaust pipe 35. Condensation part 11
The water content of the exhaust air that has been filled in c is
And is discharged through the hoses 37 and 38.
Therefore, the air discharged from the exhaust pipe 35 becomes dry with low humidity, and the condensed water in the condensation portion 11c can be prevented from returning to the mixing container 12. Further, since the exhaust pipe 35 is formed upward, the exhaust air is vigorously discharged upward (ceiling) based on the blowing pressure of the blower 25. Therefore, the exhaust air can be efficiently discharged to the outside by the ventilation fan or the like installed near the ceiling of the wall of the room where the device is installed, and the working environment is deteriorated due to the room being filled with the odor of vinegar. Can be prevented.

The operation of discharging the cooling air from the long hole 31a 'and the operation of introducing the discharge air from the long hole 31b' are performed while the mixing container 12 is rotated and rotated. Be seen. Therefore, according to this device, unlike the prior art, the discharge air is not widely dispersed and discharged from the rotating mixing container, and the discharge air is maintained even while the foodstuff mixing container 12 is rotating. Upright part 1 via a predetermined route
Since it is discharged upward from the exhaust pipe 35 of 1b, the exhaust pipe 3
5. The exhaust air can be efficiently ventilated by installing a ventilation fan above.

Further, by connecting one end of an exhaust pipe or the like to the exhaust pipe 35 and placing the other end of the pipe outside the room, it is possible to discharge the exhaust air outside without discharging the air into the room.

In order to unload the mixed and stirred rice R in the food mixing container 12, the lid 47 is removed and the food mixing container 12 is removed.
By rotating to the position shown in FIG. 10, the stirred rice R can be unloaded in the container P.

Further, in the above embodiment, the food material such as rice was shown as the mixing member, but the present invention is not limited to the food material, but can be used as a mixing device for other materials.

[0045]

As described above, according to the present invention, the air sent from the discharge air introducing section is supplied to the predetermined position through the exhaust pipe or the like even during the mixing operation of the food by the food mixing container. Can be exhausted, and an exhaust path for the exhaust air can be secured, allowing efficient ventilation.
It is possible to prevent the work environment from deteriorating. In addition, it is possible to provide a wide storage area for the foodstuffs in the mixing container, to uniformly blow the cooling air to the foodstuffs in the peripheral portion of the protruding portion, and to discharge the air from the air holes of the protruding portion. The exhaust air can be exhausted via the, and an exhaust air exhaust path can be secured.

Further, unlike the conventional case, the exhaust air is not discharged in a wide range with the rotation of the food mixing container, and the exhaust air can be exhausted at a predetermined position, so that the ventilation is efficiently performed. It can be carried out.

Further, the exhaust air can be exhausted from the exhaust stack toward the ventilation fan or the like in the room in which the present apparatus is installed, so that the ventilation can be performed efficiently.

Further, the exhaust air can be temporarily stored in the condensation portion, and the moisture contained in the air can be exhausted from the moisture outlet, so that the exhaust air can be made dry with little humidity.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional side view of a mixing device for food materials such as rice according to the present invention.

FIG. 2 is a front view of the same device.

FIG. 3 is a rear view of the same apparatus with the rear plate removed.

FIG. 4 is a perspective view of a rotating machine base of the same apparatus.

FIG. 5 is a partially cutaway perspective view of a food material mixing container of the same apparatus.

FIG. 6 is a cross-sectional view of the geared sleeve of the above apparatus and the vicinity of the coupling sleeve of the foodstuff mixing container.

FIG. 7 is a partial plan view in the vicinity of a rotating machine base of the same apparatus.

FIG. 8 is a side cross-sectional view in the vicinity of a rotating machine base of the same apparatus.

FIG. 9 is a front view of the same apparatus showing a stirring state of the same apparatus.

FIG. 10 is a front view of the same apparatus showing a stirring state of the same apparatus.

FIG. 11 is a partial cross-sectional side view of a conventional food material mixing device.

[Explanation of symbols]

11c Condensation department 12 Food mixing container 12c connecting sleeve 12b air hole 16 swivel base 25 blower 28b Cooling air guide path 28c Exhaust air guideway 31 Air induction hollow cylinder 31a ', 31b' elongated holes 35 Exhaust stack a ′ central axis b Horizontal axis

Claims (5)

(57) [Claims] In 1. A mixing device for foods, such as rice with food mixing vessel for mixing the interior of food while rotating around a vertical rotary shaft provided on the rotating machine base about the horizontal axis
In addition, the food mixing container is configured to be hermetically sealed, and a projecting portion that projects inside the container along the center of rotation of the container is provided, and the air inside the container can be introduced into and exhausted from the projecting portion. An air hole is bored, and a cooling air blower that can blow cooling air into the container through the air hole and an exhaust air that is introduced into the air hole can be introduced into the machine base. A ventilation air introduction part, and these ventilation part and introduction part are arranged in the protrusion, and an exhaust part capable of discharging the exhaust air sent from the exhaust air introduction part to the outside of the mixing container, and The cooling air from the blower is blown to the cooling air blower, and the discharge air sent from the discharge air introduction part can be discharged to the outside of the mixing container through the exhaust part. Mixing equipment of ingredients such as rice characterized by Place 2. A cooling air guide passage for guiding cooling air from the blower to the cooling air blower, and exhaust air for guiding discharge air from the discharge air introducing portion to the outside of the container. The mixing device for foodstuffs such as rice according to claim 1, wherein a taxiway is provided in the machine base. 3. The rotary shaft is provided in a vertical direction to serve as a vertical rotary shaft, the machine base is supported by a horizontal shaft orthogonal to the rotary shaft, and the foodstuff mixing container is rotatable about the horizontal shaft. The mixing device for foodstuffs such as rice according to claim 1 or 2, which is configured. 4. The rice, etc. according to claim 3, wherein the horizontal shaft supporting the machine base has a hollow structure, and cooling air is blown from the horizontal shaft to the cooling air blower. Equipment for mixing food ingredients. 5. The rice according to any one of claims 1 to 4, characterized in that a condensation part for accumulating the air discharged from the discharge air introducing part is provided, and a moisture discharge port is provided at the condensation part. Mixing device for foodstuffs such as.