JPH08205780A - Cooling apparatus for food material - Google Patents

Abstract

PURPOSE: To provide the subject apparatus capable of efficiently cooling various kinds of creamy food materials such as custard cream and butter cream in an entirely homogeneous state in a short time. CONSTITUTION: This apparatus is composed of a bowl-type pot 17 for placing a food material which is supported on an apparatus frame and whose upper part is open, and a rotating stirrer inserted into the pot through the upper opening from above the pot. The pot 17 is surrounded with a cooling jacket J and the food material M is cooled with a cooling medium flown into the cooling jacket J during the food material M is mixed by the stirrer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to an apparatus for efficiently cooling various creamy foods such as custard cream and butter cream in a short time and uniformly.

[0002]

2. Description of the Related Art For example, in the manufacturing industry of custard cream, egg yolk or soft flour, which is a raw material of the custard cream,
Constarch, sugar, milk, etc. are boiled and stirred at a prescribed mixing ratio, and the flavor is added by adding butter, rum, etc. immediately before boiling, but about 80-100
When left at a high temperature of ℃, there is a problem that a film is formed on the surface and it is difficult to cool, and in the state where the film temperature is lowered to about 40 to 50 ° C., various bacteria are easily propagated, causing deterioration and corrosion.

Therefore, the trader moves the custard cream in a high temperature state, which has been boiled and stirred, into a separate container such as a bowl and then puts water or ice on the bottom of the container and uses a common hand mixer. The custard cream is stirred and cooled to room temperature or lower.

[0004]

However, in such a method, it is necessary to frequently replace water or ice, and a certain unit amount of the custard cream that has been boiled and stirred can be efficiently and generally used in a short time. However, it cannot be cooled uniformly, and this becomes remarkable especially when the unit amount is increased, and it is difficult to cope with the change in the unit amount.

Further, there is a concern that dew condensation may occur on the inner peripheral surface of the container or that water may be mistakenly mixed into the inside of the container to make the custard cream defective.

[0006] Such a problem is not limited to the custard cream, butter cream, fresh cream,
The same applies to other various creamy foods.

[0007]

SUMMARY OF THE INVENTION The present invention is intended to provide a food material cooling device which is useful for solving the above problems, and has an upper open type food product storage bowl supported by a device frame. It is equipped with a pot and a rotary stirrer inserted from above into the pot, and the ball pot is surrounded by a cooling jacket so that the food material being stirred by the rotary stirrer is cooled by a refrigerant flowing into the cooling jacket. It is characterized by being set in.

[0008]

According to the above configuration of the present invention, a certain unit amount of foodstuffs is stored in the bowl and stirred by a rotary stirrer, and the inside of the cooling jacket surrounding the bowl is
By constantly forcing a new refrigerant to flow, its cooling action and stirring action combine, and the above foodstuffs can be efficiently cooled in a short time, and evenly overall, and its workability is improved. Will be significantly improved.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The specific construction of the present invention will be described in detail below with reference to the drawings. FIGS. 1 to 3 show the outline of the entire cooling device, and (F) is a general term for the device frame. A floor-mounting seat (11), a pillar (12) integrally standing upright from the center of the rear end of the floor-mounting seat (11), and a horizontal projection protruding forward from the upper end of the pillar (12). Includes a motor storage case (13).

Moreover, the mid-height position of the column (12) and the front end of the installation seat (11) are connected via a pair of left and right pan-supporting elbows (14) having an inverted L-shape in side view. The two elbows (14) are, as it were, a brace, and the device frame (F) is rigidly integrated with the frame.

(15) is the motor storage case (1
It is a stirrer driving geared motor installed in 3), and the rotary stirrer (A) described in detail later can be freely inserted into and removed from the rotary drive shaft (16) that projects from the front end of the storage case (13) and hangs down. It can be used by connecting to.

Further, (17) is a bowl pot interposed between the left and right sides of the elbow (14), which is made of stainless steel and has a U-shaped cross-section with an open upper portion. A pair of left and right horizontal support shafts (18)
Is rotatably supported near the bent portions of both elbows (14). That is, the bowl pan (17) is supported at a mid-high position of the device frame (F), and the operator can visually check the foodstuffs (M) stored inside.

Reference numeral (19) is an elevating and lowering operation handle of the bowl pan (17), and a worm (21) is fixedly mounted on the handle shaft (20). Reference numeral (22) is a wheel meshing with the worm (21), and is fitted and integrated on the support shaft (18) of the bowl pan (17).

Therefore, when the handle (19) is rotated, the bowl pan (17) is laid down in a horizontal posture as suggested by the chain line in FIG. M) can be taken out quickly and lightly. (23) is the worm (21) and wheel (2)
2) is a gear case with a built-in elbow (14)
It is attached and fixed to one of the two.

As is apparent from the enlarged views of FIGS. 4 to 7, the bowl pan (17) is integrally provided with a cooling jacket (J) surrounding the body surface and the bottom surface.

That is, in FIGS. 4 to 7, reference numeral (24) is a stainless steel outer cover integrally attached to surround the body surface and the bottom surface of the bowl pan (17), and (25) is the outer cover (24). ) Enclosed space surrounded by the refrigerant flow chamber (S1)
And an outer heat-insulating chamber (S2), which is also a stainless steel partition wall, and the heat-insulating chamber (S2) is filled with a heat insulating material (26) such as glass wool.

On the other hand, at the lower end position of the refrigerant flow chamber (S1) corresponding to the central portion of the bottom surface of the bowl pan (17), there is an inlet (2) for communicating with the refrigerant inflow conduit (27).
8) is formed so as to penetrate the heat insulating chamber (S2).

(29) and (30) are the refrigerant flow chamber (S
1) are outlets formed integrally with each other from the upper end position facing the trunk surface of the bowl pan (17) and the mid-height position, and the refrigerant outlet conduit (31) is provided at the upper outlet (29). The second branch pipeline (33) of the refrigerant outflow pipeline (31) is also connected to the middle-stage outlet (30) where the first branch pipeline (32) of FIG.

That is, the refrigerant introduced into the refrigerant flow chamber (S1) from the lower end position corresponding to the central portion of the bottom surface of the bowl pan (17) is brought into the first branch pipe line (S1) at the upper stage position in the flow chamber (S1). 32) or the second branch pipe (3
It is possible to selectively flow out from 3) to the outflow pipe (31), which means that the foodstuffs (M) are stored in the bowl pan (17) according to the amount of the foodstuffs stored. This means that (M) can be cooled with high efficiency without loss of refrigerant.

Therefore, the first and second branch conduits (32)
A check valve (34) is provided between the two (33), and a direction switching valve (35) is provided in the middle of the second branch conduit (33). However, in the case where the bowl pan (17) becomes large, the refrigerant outlets may be provided in three or more stages having different installation heights and the openings may be distributed in the refrigerant flow chamber (S1). On the contrary, when the bowl pan (17) is small, the number of the above-mentioned refrigerant outlets may be one, and the opening may be formed at an appropriate height position corresponding to the body surface of the bowl pan (17). .

As is clear from FIGS. 1 to 3, the inflow conduit (27) and the outflow conduit (31) for the refrigerant are stays attached to the column (12) of the apparatus frame (F) at an intermediate height position. 36) It is installed in parallel in one place on the upper part, so to speak, that the inflow conduit (27) is supplied with cooling water (chilled water) through a flexible hose (not shown). Become.

The coolant is used as cooling water, and the cooling water is positively transferred from the inflow port (28) to the outflow ports (29) (30) so that the cooling water does not stay in the flow chamber (S1) and is always replaced with fresh one. Although it is forced to flow, as long as there is a temperature difference with the food material (M), an antifreezing liquid instead of the cooling water is adopted, and the inflow pipe (27) and the outflow pipe ( 31) may be connected to each other by a circulation pipeline, and a cooling device, a pump or the like may be interposed in the middle of the circulation pipeline.

As described above, the cooling jacket (J) surrounds the bowl pot (17) as a double structure consisting of the inner refrigerant flow chamber (S1) and the outer heat insulating chamber (S2).
The refrigerant forcibly flowing into the flow chamber (S1) is insulated from the outside air by the heat insulating material (26) in the heat insulating chamber (S2), and thus is stored inside the bowl (17). Change the temperature of the place of use and the outside air of the food (M) (season)
It can be surely cooled without being affected by the above.

In this respect, in the illustrated embodiment, a plurality of partition fins (37) having different installation heights are arranged in parallel inside the refrigerant flow chamber (S1) to make the flow chamber (S1) into a small chamber of several stages. The partition is subdivided, and the adjacent upper and lower parts of the small chamber are partially communicated with each other by the notch (38) of the partition fin (37).

According to this, the refrigerant flowing into the flow chamber (S1) from the lower end position corresponding to the central portion of the bottom surface of the bowl pan (17) flows around the small chambers in a regular and upward manner. As a result, the food material (M) stored in the bowl pan (17) can be rapidly and efficiently cooled in a shorter time, and it is preferable because it can be uniformly cooled as a whole.

From the same point of view, the partition fins (37) are formed in a spiral staircase shape to form the refrigerant flow chamber (S).
It may be possible to interpose it in 1) and allow the refrigerant to flow in a regular spiral spiral shape in one direction from the inflow port (28) to the outflow ports (29) (30).

Further, (39) is a temperature sensor for detecting the temperature of the food (M), which is exposed on the inner bottom surface of the bowl pan (17). Therefore, the temperature sensor (39) can always function properly regardless of the amount of food (M) stored.

Reference numeral (40) is a mounting boss for the temperature sensor (39), which is the heat insulation chamber (S) of the cooling jacket (J).
It is fixed and integrated so as to penetrate 2). (41)
Is a heat insulating cover interposed between the upper end of the temperature sensor (39) and its mounting boss (40). The temperature sensor (39) may detect the temperature of the bowl (17) by mistake. prevent. Reference numeral (42) is also a heat insulating sleeve, which is screwed and fastened to the mounting boss (40) from below.

Although not shown, the temperature sensor (39) is electrically connected and wired to a thermometer incorporated in the operation panel, and the thermometer senses the temperature (cooling) of the food (M). Degree) is visible. Further, the rotational driving time of the agitator (A) and the flowing time of the refrigerant can be jointly and automatically controlled according to the level of the sensed temperature.

The rotary stirrer (A) mentioned above is connected to the rotary drive shaft (16) from the geared motor (15) as shown in FIG.
And a plurality of stirring blades (44), (45) and (46) projecting in the radial direction as several stages having different installation heights.

That is, the hanger column (43) has a core shaft (4
7) and a sheath shaft (48) that is fitted thereinto to form a double structure, and a compression coil spring (4) enclosed inside the double structure.
Via 9), the elastic force is urged in the sliding direction to extend each other. Reference numeral (50) is a retaining pin which is penetrated by the core shaft (47) and the sheath shaft (48), whereby both shafts (4)
7) (48) rotates integrally. (51) is a long slot for receiving the retaining pin (50), which is elongated along the vertical direction of the sheath shaft (48), so that the sheath shaft (48) is opposed to the core shaft (47). Needless to say, it works as a slide.

The upper end of the core shaft (47) is formed as an insertion socket (52), which is removably inserted into the rotary drive shaft (16) from below and the connecting pin (53) is inserted. By penetrating, the entire hanger pillar (43) is rotated as a drive shaft (16).
It keeps the connected state that can rotate together with. Reference numeral (54) is a hand-held flange fitted and fixed to the socket (52), which extends from the rotary drive shaft (16) to the hanger column (43).
When pulling out the mandrel (47), it is stably used by hand.

Reference numeral (55) is a fork-shaped blind plug fixedly integrated with the lower end of the sheath shaft (48). The blind plug (55) has a blade support arm ( 5
The central portion of 6) is inserted from below so that it can be inserted and removed freely, and is pivotally supported via a horizontal penetrating pin (57). A pair of lower stirring blades (44) are fixedly integrated with the support arm (56).

The lower surfaces of both lower stirring blades (44) are curved so that they can be fitted to the bottom surface of the bowl pan (17), but the flat front surface in the rotational direction (R) is also shown in FIG. As suggested, it is set as a simple vertical surface that does not knead the ingredients (M), but rather pushes them around to cause convection.

On the other hand, from the outer peripheral surface of the sheath shaft (48), a pair of blade mounting bases (58) are attached to the lower stirring blade (4).
It is extended in a relational state orthogonal to the support arm (56) of 4). Speaking of the lower stage stirring blades (44), a pair of the middle stage stirring blades (45) and the upper stage stirring blades (46) to be stacked are attached to the blades by blade supporting arms (59) (60) each having a constant length. Base (5
It is detachably attached and fixed to 8).

Moreover, the middle-stage stirring blade (45) and the upper-stage stirring blade (46) are mounted in a zigzag arrangement as a whole, and together with the lower-stage stirring blade (44), the foodstuff (M ) Is agitated without leakage and can be cooled quickly and uniformly. Although details of the middle stirring blade (45) and the upper stirring blade (46) are omitted in the drawing, the blade supporting arms (59) and (60) are pivotally pivoted around the vertical axis to the projecting tips. It is worn.

Further, each side surface of the middle stirring blade (45) and the upper stirring blade (46) is shaped so as to fit with the body surface of the bowl pan (17). The flat front surface is an inclined surface with a constant angle as shown in FIG. 10, so that the food material (M) is also pushed around to cause convection and is not kneaded.

Further, when the amount of the foodstuff (M) stored in the bowl pan (17) is small, one or both of the upper stirring blades (46) or the middle stirring blade (45) as shown in FIG. It is also possible to remove one or both and use it. Not only the upper stirring blade (46) but also the middle stirring blade (45) and the lower stirring blade (4).
Since 4) can also be removed from the hanger column (43), it is extremely convenient for cleaning these.

When cooling the custard cream or other creamy food (M) in a high temperature state, which has been boiled and stirred, by using the cooling device configured as described above, as shown in FIGS. The hanger support (43) of the rotary stirrer (A) is connected to the rotary drive shaft (16), and a fixed unit amount of the food (M) is added to the bowl pan (17).
Transfer to.

Then, the agitating blade (4) of the agitator (A)
4) (45) and (46) are slowly rotated by the geared motor (15) to stir the food (M),
Cooling jacket (J) surrounding the bowl pan (17)
The coolant such as cooling water is forcedly or positively flowed into the coolant flow chamber (S1) so that the coolant is always replaced with a new one.

By doing so, the synergistic action of the cooling and the agitation allows the above-mentioned food material (M) to be efficiently cooled in a short time, and moreover, to be evenly cooled as a whole until it reaches the inside, which leads to its workability. Is also outstanding. Unlike the conventional method, it does not require the troublesome manual work of replacing the ice.

Particularly, as in the illustrated embodiment, the refrigerant flow chamber (S1) of the cooling jacket (J) is subdivided into a plurality of small chambers having different installation heights, and the adjacent upper and lower parts thereof are partially separated. By communicating with each other, the above-mentioned refrigerant is added to the bowl (1
If it is made to flow from the lower end position corresponding to the central portion of the bottom surface of 7) to the upper side in a detour manner, the refrigerant can be cooled to the maximum extent while being cooled rapidly and efficiently.

In order to achieve such an effect, the refrigerant flow chamber (S1) is further surrounded by a heat insulating material (26), and the plurality of stirring blades (44) (45) (46) have different heights. It can be said that the arrangement of several stages works organically.

Further, the outlet (2) of the refrigerant flow chamber (S1) is
9) (30) is opened as several steps with different installation heights,
The amount of the foodstuff (M) stored in the bowl pan (17) can be used as an alternative and both of the stirring blades (44) (45) (46) are detachable. Accordingly, the refrigerant can be used without loss, and the risk of dew condensation on the inner peripheral surface of the bowl pan (17) can be reliably prevented.

In any case, the cooled food material (M) can be quickly and comfortably taken out of the bowl pan (17) by laying down the bowl pan (17).

[0046]

As described above, according to the present invention, the upper open-type food storage bowl pan (17) supported by the apparatus frame (F) and the rotary stirrer (A) inserted into the interior from above. The bowl pan (17) is surrounded by a cooling jacket (J), and the food material (M) being stirred by the rotary stirrer (A) is cooled by a refrigerant flowing into the cooling jacket (J). Since it is defined as
There is an effect that the problem of the related art described at the beginning can be completely solved.

That is, according to the above-mentioned configuration of the present invention, a certain unit amount of the food material (M) is stored in the bowl pan (17) and stirred by the rotary agitator (A) while the bowl pan (1)
By forcibly or positively flowing the refrigerant into the cooling jacket (J) that surrounds 7), the cooling action and the stirring action are combined, and the food material (M) can be stored in a short time. It is possible to efficiently and uniformly cool the whole, and the workability thereof is significantly improved.

Further, according to the second aspect of the invention, the temperature (cooling degree) of the food material (M) is detected by the sensor (37), so that the excess or deficiency of the target cooling degree can be detected. It can be known, and accordingly, it becomes easy to control and manage the stirring action by the stirrer (A) and the cooling action by the flow of the refrigerant, which is extremely useful for automation.

According to the structure of claim 3, the bowl (17) is laid down after cooling the food (M), and the food (M) can be quickly and easily taken out from the bowl (17). , Its workability is even better.

Further, if the configuration of claim 4 is adopted,
Refrigerant flow chamber (S1) forming the inside of the cooling jacket (J)
Are surrounded by the outer heat-insulating chamber (S2), the refrigerant flowing in the coolant-flowing chamber (S1) can be insulated in a state of being shielded from the outside air, and no matter where it is affected by the outside air. However, it has the effect that it can be used conveniently at any time.

In particular, according to the structure of claim 5, the refrigerant flows from the refrigerant inlet port (28) corresponding to the central portion of the bottom surface of the bowl (17) through the subdivided small chambers of the refrigerant flow chamber (S1). In the same manner, the material flows toward the refrigerant outlets (29) and (30), which are also located on the body surface of the bowl pan (17), in a so-called levitation manner, so that the food (M) is further absorbed without the loss of the refrigerant. It is possible to efficiently cool in a short time, and in combination with the stirring action, there is an effect that the cooling degree can be kept uniform as a whole.

According to the structure of claim 6, a bowl (1
According to the amount of the food material (M) stored in 7), a plurality of the refrigerant outlets (29) and (30) can be selectively switched and used, and the useless use of the refrigerant can be prevented. Also, there is an effect that it is possible to surely prevent the possibility that dew condensation may occur on the inner peripheral surface of the bowl pan (17) due to the excess amount of the refrigerant rather than the amount of the foodstuff (M) stored.

[Brief description of drawings]

FIG. 1 is a side view of a cooling device according to the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a sectional view taken along line 3-3 of FIG. 2;

FIG. 4 is a plan view showing a cooling jacket extracted.

FIG. 5 is a sectional view taken along line 5-5 in FIG. 4;

6 is a sectional view taken along line 6-6 of FIG.

7 is an enlarged cross-sectional view taken along line 7-7 of FIG.

FIG. 8 is a sectional view showing a rotary stirrer in an extracted manner.

FIG. 9 is an explanatory diagram showing a usage state of the present invention.

FIG. 10 is a plan view of FIG.

FIG. 11 is an explanatory diagram showing another usage state corresponding to FIG. 9;

[Explanation of symbols]

 (17) -Ball pan (26) -Insulation material (28) -Refrigerant inlet (29) -Refrigerant outlet (30) -Refrigerant outlet (37) -Partition fin (39) -Temperature sensor (A) -Rotation Stirrer (F), device frame (J), cooling jacket (M), foodstuff (S1), refrigerant flow chamber (S2), heat insulation chamber

Claims (6)

[Claims] 1. A bowl pan (17) which is supported by a device frame (F) and has an open upper part for storing foodstuffs, and a rotary stirrer (A) which is inserted into the inside of the pan from above. ) Is surrounded by a cooling jacket (J), and the food material (M) being stirred by the rotary stirrer (A) is cooled by a refrigerant flowing into the cooling jacket (J). Cooling device for food. 2. The temperature sensor (39) is made to face the inner peripheral surface of the bowl pan (17), and the temperature sensor (39) is used to detect the temperature of the food (M). The cooling device for food according to claim 1. 3. A bowl pan (17) is pivotally supported at an intermediate height position of the apparatus frame (F) so as to be capable of undulating and rotating operation.
2. The food material cooling device according to claim 1, wherein the food material (M) that has been cooled is set to be taken out by laying down the bowl pan (17). 4. A cooling jacket (J) is formed into a double structure composed of an inner refrigerant flow chamber (S1) and an outer heat insulating chamber (S2), and a heat insulating material (26) is formed in the heat insulating chamber (S2). While filling
In the refrigerant flow chamber (S1), a refrigerant inlet (28) is opened at a position corresponding to the center of the bottom surface of the bowl (17), and a refrigerant outlet is opened at a position corresponding to the body surface of the bowl (17). The food material cooling device according to claim 1, wherein the cooling medium is formed so that the refrigerant flows upward from the refrigerant inlet port (28) to the refrigerant outlet port. 5. The refrigerant flow chamber (S1) is subdivided into a plurality of small chambers having different installation heights by a plurality of partition fins (37), and the upper and lower adjacent chambers are partially communicated with each other. The foodstuff cooling device according to claim 4, wherein the foodstuff cooling device is provided. 6. A bowl pan (17) in which a plurality of refrigerant outlets (29) (30) are distributed in several stages having different installation heights.
5. The food material cooling device according to claim 4, wherein the food material cooling device is selectively used depending on the amount of food material (M) to be stored.