JPH1076151A - Stirring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To sanitarily and effectively stir and cook by blowing air to a stirring blade while the stirring blade reaches to the waiting position from the stirring position to remove a raw material stuck to the stirring blade. SOLUTION: An air blowing device 70 has one pair of a slender pipe 78 provided with plural air jetting nozzles 76 respectively with a certain interval in the longitudinal direction, air is blown to both of the stirring blade and a scraping blade while-e the stirring blade and the scraping blade move upward from the stirring position and reach the waiting position and the food raw material stuck to both blades are removed to fall down in a vessel 12. One end of the slender pipe 78 is mounted between the upper part opening of the vessel 12 and the lower end level of both blades at the waiting position, a piston cylinder mechanism 79 is connected to the vicinity of one end and the narrow long pipe 78 is freely rotated around an axis line almost parallel to the axis line of the stirring/cooking vessel 12. As a result, the raw material stuck to the stirring blade is returned in the stirring cooking vessel 12 with non-contact system.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a stirring device,
More specifically, the present invention relates to a stirrer that can stir hygienically and efficiently.

[0002]

2. Description of the Related Art Stir cooking devices for stirring and / or heating a large amount of food ingredients at a time to cook large quantities of food ingredients are mainly used in the food industry. This stirring cooking device puts food ingredients inside,
It has a stirring cooking container for stirring cooking and a stirring blade for stirring food ingredients in the stirring cooking container.

[0003] However, in such a stirring and cooking apparatus, food materials, especially high-viscosity kneading materials such as kneaded bean paste, tend to adhere to the stirring blades during stirring, and if the attached materials are left as they are, non-stickiness will occur. It is hygienic and degrades over time and mixes with food ingredients inside the container, adversely affecting product quality. On the other hand, if the food material attached to the stirring blade is removed by directly scraping the surface of the blade, for example, depending on the curing of the scraper, it may become unsanitary. Discarding the scraped raw material outside the container lowers the yield of the food raw material. Therefore, an object of the present invention is to provide a stirring cooking device capable of performing stirring cooking in a sanitary and efficient manner in view of such a problem.

[0004]

In order to achieve the above object, a mixing and stirring apparatus according to the present invention comprises: a stirring vessel into which raw materials are charged; and a stirring vessel for stirring the raw materials in the stirring vessel. In the stirring device provided with the stirring blade of the above, the stirring vessel and the stirring blade, the stirring blade is a stirring position in the stirring vessel through the upper end opening of the stirring vessel and a holding position outside the stirring vessel. The stirrer blades are relatively movable in the vertical direction so that the stirrer blades can take air from the stirrer position to remove the raw materials attached to the stirrer blades. The apparatus further includes an air blowing device for dropping the mixture into the stirring vessel, and the air blowing device includes an elongated pipe having a plurality of air injection nozzles spaced at predetermined intervals in a longitudinal direction.

The elongated tube has one end rotatable about an axis substantially parallel to the axis of the stirring vessel. A vertical moving means for vertically reciprocating the stirring blade at a predetermined horizontal fixed position; a horizontal moving means for moving the stirring container in a horizontal direction; and fixing the stirring container to the predetermined horizontal position. And a horizontal positioning means for positioning the stirring vessel at a position, wherein the stirring blade has a lower end level positioned at the predetermined horizontal fixed position when the stirring blade reaches the holding position from the stirring position. Preferably, the one end of the elongated tube is positioned at a level higher than the upper end opening level, and is fixed between the upper end opening and the stay position lower end level.

Further, it is preferable that a shutter be provided which can be opened and closed in a horizontal direction at a level between the upper end opening and the lower end level of the holding position, and the shutter covers the upper end opening at a closed position. Furthermore, it is preferable to further include a fixed scraper for rubbing the upper surface of the shutter by opening and closing the shutter.

[0007]

According to the stirrer of the present invention having the above-mentioned structure, the food material adhering to the stirring blades can be blown off during stirring by the air blowing device in a non-contact manner, and thereby can be returned into the stirring vessel. In addition to being hygienic, collecting the blown-out food raw material makes it possible to prevent a reduction in the yield of the food raw material. In addition, an elongated tube having a plurality of air injection nozzles is rotatable about an axis substantially parallel to the axis of the stirring cooking container, so that the stirring blade at the circumferential angular position in the container at the end of stirring. In accordance therewith, the angular position of the elongated tube is rotationally adjusted, whereby the blowing area can be effectively secured, and the efficiency of removing attached food material can be improved.

[0008]

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. 1 and 2 are a side view and a horizontal sectional view taken along line II-II of FIG. 1, respectively, of a stirring cooking device according to an embodiment of the present invention. In FIG. 1, reference numeral 10 denotes a stirring cooking device, which includes a stirring cooking container 12, a rotary drive shaft 14 extending vertically along an axis AA of the stirring cooking container 12, and a rotary drive shaft. The apparatus generally comprises a scraping blade 16 and an agitating blade 18 connected to the rotary shaft 14, a rotary drive unit 20 for rotating the rotary drive shaft 14, and an air blowing device 70. The stirring cooking vessel 12 is a thin-walled vessel having a rotationally symmetric shape with respect to the direction of the axis AA.
2a and a head plate attached below the cylindrical body 12a
The food material is filled into the container 12 from the upper opening 22 of the stirring cooking container 12, and is stirred and mixed and / or heated. There are a plurality of agitated cooking containers 12, each of which is a motor-driven cart 71 on a caster.
(See FIG. 4), and can be moved in the horizontal direction.
For each agitated cooking container 12, a large amount of food is produced in a so-called batch method after a pre-process, for example, a raw material charging process is completed, through a agitated cooking process as described later, and further to a next process, for example, a cooked product molding process. The raw material is configured to be able to be stirred and cooked. In addition, from the viewpoint of preventing foreign matter from being mixed during mixing and stirring, the upper cover 4
6 are provided.

The rotation drive shaft 14 extends downward from above the stirring cooking container 12 toward the inside of the stirring cooking container 12, and has an upper end connected to a rotation transmission mechanism 24 described later and a lower end rotated by the scraping blade 16 described later. Each is fixed to the horizontal member 26. The rotation horizontal member 26 is rotated by the rotation of the rotation drive shaft 14 about the axis AA of the stirring cooking vessel 12.
It is configured to perform a horizontal swirling motion in the stirring cooking vessel 12. Each of the two scraping blades 16 is formed of an elongated plate member extending from the cylindrical body 12a toward the end plate 12b, which is connected to both ends of the rotary horizontal member 26 described above.
One extends substantially vertically downward along the inner peripheral surface of the cylindrical body 12a to the lower end of the body 12a, and the other extends along the inner peripheral surface of the cylindrical body 12a and the end plate 12b to the lowermost portion of the stirring cooking vessel 12. Extend to. Each of the scraping blades 16 has a triangular cross section 60 with a truncated side in the revolving direction with respect to the extending direction, and an opposing surface 62 extending along the inner peripheral surface of the stirring vessel;
The inclined surface 64 has a predetermined acute angle with respect to the facing surface 62, for example, about 45 °. On the truncated surface, a scraping material receiving surface 66 oriented in the revolving direction is formed, and a predetermined clearance is provided between the outer edge 27 of the scraping material receiving surface 66 and the inner peripheral surface of the stirring cooking vessel 12. When the scraping blade 16 revolves, the scraping blade 16 is configured not to contact the inner peripheral surface of the stirring cooking container 12. At a middle position of the rotating horizontal member 26 eccentric from the axis AA, a vertical member 28 extending substantially parallel to one of the scraping blades 16 is attached, and a temperature sensor (not shown) is provided at the tip.
Is installed.

[0010] The stirring blades 18
Each of the blades 18 has a stirring shaft 30 extending vertically in a direction substantially parallel to the axis AA, and a stirring portion 32 fixed to a lower end of the stirring shaft 30. At a position eccentric from the axis AA by a predetermined distance, it is connected to a rotation transmission mechanism 24 described later. As shown in FIG. 2, the two stirring shafts 30 are arranged at an angular interval of 180 ° in the circumferential direction, and each stirring shaft 30 is connected to the rotating horizontal member 26 on the advance side of the scraping blade 16 in the revolving direction. They are positioned at an angular interval of 30 ° circumferential angle. Each stirring unit 32
As shown in FIG. 1, the stirring diameter of the stirring vessel 1
2, having a spatula-shaped outer shape that is asymmetric with respect to the axis of the stirring shaft 30, and the outer edge 40 is
The inner edge 42 extends substantially parallel to the axis AA. An opening 44 is formed in each stirring section 32 from the viewpoint of reducing the flow resistance during stirring.

As described above, the stirring section 32 rotates around the stirring shaft 30 as shown in FIG. 2, thereby forming a stirring area (not shown) at least larger than the rotation radius R in the stirring cooking vessel 12. The stirring area is formed near the scraping portion 34 on the inner peripheral surface of the stirring cooking container 12 formed by the outer edge 27. As shown in FIG. 2, the outermost part of the stirring area substantially contacts the inner peripheral surface of the stirring cooking vessel 12, and the stirring area covers the entire inside of the stirring cooking vessel 12 by the revolution of the stirring blade 18. I have. The rotation drive means 20 is composed of a drive motor of a known type, is disposed above the mixing and stirring cooking vessel 12, and has a rotation shaft connected to a rotation transmission mechanism 24. The blades 16 are configured to be able to revolve around the axis AA of the stirring cooking vessel 12 and to rotate each stirring blade 18 about the stirring shaft 30. In other words, the stirring blade 18 and the scraping blade 16 can be revolved integrally by a single drive motor, and the stirring blade 18 can be rotated on its own.

The rotation transmission mechanism 24 will be briefly described. The rotation transmission mechanism 24 includes a well-known combination mechanism (not shown) such as a gear mechanism and a bearing mechanism, and the rotational force of the drive motor is indirectly transmitted to each stirring shaft 30 via the gear mechanism. While the respective stirring blades 18 are rotated around the respective stirring shafts 30, while the stirring force is directly transmitted to the rotation transmission mechanism 24 by the bearing mechanism arranged around the stirring shaft 30. Each of the stirring shafts 30 eccentrically arranged on the rotation transmitting mechanism 24 can revolve around the axis AA while keeping the rotation free. The rotation driving means 20 and the rotation transmission mechanism 24, and thus the stirring blades 18 and the scraping blades 16 connected to them, as shown in FIGS. 4 to 6, are stirred and cooked by a vertical moving means 74 including a known cylinder mechanism. 12 is configured to reciprocate up and down. More specifically, the stirring blade 18 and the scraping blade 16 are moved through the upper opening 22 of the stirring cooking container 12 into a stirring position inside the stirring cooking container 12 (position shown in FIG. 5) and a holding position outside the stirring cooking container 12. (The position shown in FIG. 4). When the stirring blade 18 and the scraping blade 16 reach the holding position from the stirring position, as illustrated in FIG. 4, the lower end level is set to a level higher than the upper opening 22 level of the stirring container positioned at the predetermined horizontal fixed position. Positioned.

Next, the air blowing device 70 will be described with reference to FIG.
It has a pair of elongate tubes 78 each having a plurality of air injection nozzles 76 spaced at predetermined intervals in the longitudinal direction, and as described later, the stirring blade 18 and the scraping blade 16 are held upward from the stirring position. While reaching the position, both wings 1
Air is blown onto 6, 6 to remove the food raw materials attached to both blades and drop them into the container 12. The elongate tube 78 has one end located between the upper opening 22 of the container 12 and the lower end level of the blades 16 and 18 in the holding position, and has a known piston near the one end.
The cylinder mechanism 79 is connected, and is rotatable about an axis substantially parallel to the axis of the stirring cooking container 12. The rotation range may be appropriately selected according to the length of the elongated tube 78, the opening area of the container 12, the relative position of the center of rotation with respect to the container 12, and the like. Thereby, the air blowing device 7
0, as shown by the solid line position and the dotted line position in FIG. 3, avoid collision when the two blades 16 and 18 move up and down, and according to the inner circumferential direction angle of the two blades when blowing air. By adjusting the rotation, the spray area can be secured.

As shown in FIGS. 4 to 6, a shutter 80 which can be opened and closed in the horizontal direction is provided at a level between the upper opening 22 and the lower end level of the holding position. It is configured to cover the upper opening 22 at the position. Fixed scraper 8 for rubbing upper surface 82 of shutter 80 by opening and closing operation of shutter 80
4 is further provided. The operation of the mixing and stirring device 10 having the above configuration will be described below with reference to FIGS. First, as shown in FIG. 4, the stirring cooking container 12 is moved and positioned at a predetermined horizontal fixed position just below the stirring blade 18. Next, the shutter 80 is opened, and at the same time, the fixed scraper 84
The top surface of the shutter 80 is removed by rubbing the top surface of the food container 0 to remove the food ingredients generated in the previous stirring cooking container 12 and dropped on the top surface of the shutter 80. This can prevent the food ingredients from dropping onto the floor while the containers are being replaced, and can reliably prevent the modified food ingredients from being mixed into the new stirring cooking container 12.

Next, the stirring blade 18 is lowered from the holding position to the stirring position to prepare for stirring. At this time, the circumferential angular position of the stirring blade 18 in the container is determined according to the end of stirring in the front container, but the circumferential angular position is
As shown in FIG. 3, so as to achieve a desired spraying effect,
It is determined to be parallel to a pair of elongated tubes 78 having an air injection nozzle. Next, as shown in FIG. 5, the stirring blade 18 is rotated in the container, and the food material is stirred for a desired time. A part of the food raw material adheres to the surface of the stirring blade 18 and the inner surface of the container 12 while being stirred. The food material adhered to the inner surface of the container 12 is scraped off by the scraping blade 16, and a part thereof adheres to the surface of the scraping blade 16.

After completion of the stirring, as shown in FIG. 6, the stirring blades 18 are raised, and air is blown toward the stirring blades 18 and the scraping blades 16 by an air blowing device 70 which has been adjusted in advance to rotate the two blades 16. , 18 are blown off and dropped into the stirring cooking container 12 positioned below. As a result, the step of removing the attached food material is automatically completed before the two blades 16 and 18 reach the original holding position, and the efficiency of the stirring cooking step is not reduced. Stirring blade 1
After 8 reaches the standby position, close the shutter 80,
The upper opening 22 of the stirring cooking container 12 is covered, thereby preventing a small amount of food material still adhering to the stirring blade 18 from dropping onto the floor until the next stirring cooking container 12 is positioned. .

After the shutter 80 reaches the closed position,
The agitated cooking container 12 after the agitated cooking is moved from a predetermined horizontal position to move to the next step, for example, the raw material discharge, and then a new agitated cooking container 12 filled with unstirred cooking food ingredients is moved to the predetermined horizontal position. Position.
Thus, the stirring cooking process in one stirring cooking container 12 is completed. By repeating this process, a large amount of food ingredients can be agitated and cooked hygienically and efficiently. As described above, according to the preferred embodiment of the present invention, when the food ingredients are stirred and cooked in a batch manner using a large number of the stirring and cooking containers 12, the air blowing device 70 rotatably provided at a predetermined level is provided. By providing
When the scraping blade 16 and the stirring blade 18 reciprocate up and down between the stirring position and the holding position, they interfere with each other and do not interfere with each other. Scraping blade 16 and stirring blade 1
8 can be removed, the yield of the food material can be prevented from lowering, and the circumferential stop position of the stirring blade 18 at the end of the stirring in the previous process is determined by the air injection nozzle. Is determined so as to be in parallel with the pair of elongated tubes 78 provided with, so that the spraying area in the post-process can be maximized, and the efficiency of removing attached food material can be increased.

Further, the food material adhering to the stirring blade 18 is prevented from dropping on the floor and becoming unsanitary by the time the next stirring cooking container 12 is positioned at the fixed horizontal position, or the food modified and adhered. The raw material is prevented from being mixed into the next stirring cooking container 12 and changing the quality of the product for each stirring cooking container 12. Further, by providing the shutter 80, food ingredients still adhering to the stirring blades 18 fall to the floor and become unsanitary until the next inside of the stirring cooking container 12 is positioned at the fixed horizontal position. In addition, it prevents the horizontal positioning of the container from being disturbed by slippage of casters or the like caused by the dripping food material. In addition, especially in the case of a food material having a high juice content, the provision of the shutter 80 can further reliably prevent the denatured food material from being mixed into the next stirring cooking container 12.

While the preferred embodiments of the present invention have been described above, various modifications may be made to the disclosed embodiments without departing from the scope or spirit of the present invention without departing from the scope of the present invention. You can make changes. For example,
Naturally, the present invention is also applicable to a form that does not include the scraping blade 16 on the inner surface of the container. In addition, air blowing device 7
0 may be rotatable in the direction of its longitudinal axis, so that the direction of the air injection nozzle 76 can be changed according to the blowing position. The air injection nozzles 76 may be individually rotatable.

[0020]

As is clear from the above description, according to the mixing and stirring apparatus of the present invention, it is possible to return the raw materials adhered to the stirring blades in a non-contact manner into the stirring and cooking vessel. In addition, the yield of food materials can be prevented from being reduced.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a stirring cooking device according to an embodiment of the present invention.

FIG. 2 is a plan view taken along line II-II in FIG.

FIG. 3 is a plan view schematically showing an air blowing device.

FIG. 4 is a schematic side view and a schematic plan view showing a moving process of the stirring cooking device according to the embodiment of the present invention.

FIG. 5 is a schematic side view and a schematic plan view showing a stirring process of the stirring cooking device according to the embodiment of the present invention.

FIG. 6 is a schematic side view and a schematic plan view showing an air blowing step of the stirring cooking device according to the embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 stirring cooking device 12 stirring cooking container 14 rotation drive shaft 16 scraping blade 18 stirring blade 18 20 drive motor 22 upper opening 24 rotation transmission mechanism 26 rotating horizontal member 27 outer edge 28 vertical member 30 stirring shaft 32 stirring portion 34 scraping portion 40 Outer edge 42 Inner edge 44 Opening 46 Top lid 60 Truncated triangular cross section 62 Opposing surface 64 Beveled surface 66 Scraping material receiving surface A Stirring position B Standing position 70 Air blowing device 71 Horizontal moving means 72 Horizontal positioning means 74 Vertical moving Means 76 Air injection nozzle 78 Elongated tube 80 Shutter 82 Fixed scraper

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Takahiro Nakai 3-1-1 Higashi Kawasaki-cho, Chuo-ku, Kobe-shi, Hyogo Inside the Kobe Plant of Kawasaki Heavy Industries, Ltd. (72) Inventor ▲ Too ▼ Takayuki Moto Higashiosaka-shi, Osaka House Foods Co., Ltd., 1-5-7, Mikuni Sakaemachi (72) Inventor Michio Kurokawa House Foods Co., Ltd., 1-5-7, Mikuni Sakaecho, Higashiosaka-shi, Osaka (72) Inventor Shioda Ichigo, Higashi-Osaka, Osaka House Foods Co., Ltd.

Claims (5)

[Claims] 1. A stirring device comprising a stirring vessel into which a raw material is charged, and a stirring blade for stirring the raw material in the stirring vessel, wherein the stirring vessel and the stirring blade are provided with a stirring blade. Can move up and down relative to each other so that a stirring position in the stirring vessel and a holding position outside the stirring vessel can be taken through an upper end opening of the stirring vessel, and the stirring blade is moved from the stirring position. While taking the reserve position,
An air blowing device is further provided for blowing air to the stirring blade to remove raw materials attached to the stirring blade and dropping the raw material into the stirring container, wherein the air blowing device is disposed at predetermined intervals in a longitudinal direction. Characterized in that the stirring device is an elongated tube provided with a plurality of air injection nozzles. 2. The stirring device according to claim 1, wherein the elongated tube has one end rotatable about an axis substantially parallel to an axis of the stirring cooking container. 3. A vertical moving means for vertically reciprocating the stirring blade at a predetermined horizontal fixed position; a horizontal moving means for moving the stirring vessel in a horizontal direction; A horizontal positioning means for positioning at a predetermined horizontal fixed position, wherein the stirring blade has a lower end level positioned at the predetermined horizontal fixed position when the stirring blade reaches the holding position from the stirring position. The stirring device according to claim 1, wherein the stirring tube is positioned at a level higher than the upper end opening level of the stirring vessel, and the one end of the elongated tube is fixed between the upper end opening and the holding position lower end level. 4. A shutter which is openable and closable in a horizontal direction at a level between the upper end opening and the lower end level of the holding position, wherein the shutter covers the upper end opening at a closed position. Item 4. The stirring cooking container according to Item 3. 5. The stirring cooking container according to claim 4, further comprising a fixed scraper for rubbing the upper surface of the shutter by opening and closing the shutter.