JP2009278911A - Food stirring apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a food stirring apparatus can sufficiently stir food, and consequently, obtain an excellent quality final product. <P>SOLUTION: This food stirring apparatus includes means for stirring food by passing food, while rotatingly driving the internal stirring means 34 by a rotatingly driving means 20, through a space S sandwitched by an outer peripheral surface 34a and a first recessed part 36 in the internal stirring means 34, and an inner peripheral surface 35a and a second recessed part 37 in an external stirring means 35, from a supply port 29 to a discharge port 31. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a food agitation apparatus, and more particularly to a food agitation apparatus suitable for agitating and discharging food.

  Conventionally, for example, in a food processing step such as a soymilk emulsification (coagulation) step in producing tofu, a stirring device for stirring food has been employed.

  As an example of this type of stirring device, for example, a stirring device (soy milk stirring plate in Patent Document 1) used for the production of silken tofu as shown in Patent Document 1 has been proposed.

  In this Patent Document 1, a stirring device is used for the purpose of producing high quality silken tofu by removing bubbles in soymilk.

Japanese Patent Laid-Open No. 5-130846

  However, in patent document 1, since the soy milk as food was stirred by the reciprocating motion by the soy milk stirring plate, there was a problem that it was difficult to sufficiently stir the soy milk.

  Accordingly, the present invention has been made in view of such problems, and provides a food agitation apparatus that can sufficiently agitate food, and thus can obtain a final product with good quality. It is the purpose.

  In order to achieve the above-described object, a food agitating apparatus according to claim 1 of the present invention is a food agitating apparatus for agitating and discharging a supplied food, and supplies the food before agitation into the apparatus main body. A supply port for discharging, a discharge port for discharging the food after stirring out of the apparatus main body, and a space communicating the supply port and the discharge port in the apparatus main body. The outer peripheral surface having a reference axis as a center, and the first outer surface extending from the end on the supply port side on the outer peripheral surface to the end on the discharge port side on the outer peripheral surface. A plurality of inner stirrers formed with a predetermined interval in the circumferential direction and a space communicating with the supply port and the discharge port in the apparatus main body with respect to the inner stirrer. Predetermined gap on the outside in the direction An inner peripheral surface that is concentric with the outer peripheral surface of the inner stirring means and is larger in diameter than the outer peripheral surface, and on the inner peripheral surface on the supply port side of the inner peripheral surface An outer stirrer having a plurality of long second recesses extending from the end of the inner peripheral surface to the end on the discharge port side of the inner peripheral surface with a predetermined interval in the circumferential direction; and the inner stirrer Rotation driving means for rotating and driving one of the outer stirring means and the other stirring means of the inner stirring means and the outer stirring means. While being fixed in the main body and rotating the one stirring means by the rotation driving means, the outer peripheral surface and the first recess in the inner stirring means, the inner peripheral surface in the outer stirring means and The food can be stirred by allowing the food to pass through the space sandwiched between the second recesses from the supply port side toward the discharge port side. Yes.

  And according to such a structure, while rotating one of an inner side stirring means or an outer side stirring means with a rotational drive means, the outer peripheral surface and 1st recessed part in an inner side stirring means, and the inner peripheral surface in an outer side stirring means The food can be sufficiently agitated by allowing the food to pass through the space sandwiched between the second recess and the second recess from the supply port side toward the discharge port side.

  The food stirring apparatus according to claim 2 is characterized in that, in claim 1, the one stirring means is the inner stirring means, and the other stirring means is the outer stirring means. Yes.

  And according to such a structure, since said one stirring means can be reduced in size, the manufacturing cost of a food stirring apparatus can be reduced.

  Furthermore, the food stirring apparatus according to claim 3 is characterized in that, in claim 1 or claim 2, the first recess and the second recess are formed in a straight line.

  And according to such a structure, the manufacturing cost of a food stirring apparatus can be reduced by forming a 1st recessed part and a 2nd recessed part in a simple shape.

  Still further, the food agitating device according to claim 4 is the food agitating device according to any one of claims 1 to 3, wherein the inner agitating means is the reference for the connection portion between the first recess and the outer peripheral surface. The cross section perpendicular to the axis is formed in a shape that forms a predetermined obtuse angle.

  And according to such a structure, the shape of the connection part of the 1st recessed part and outer peripheral surface in an inner side stirring means can be formed in a suitable shape in order to suppress the damage of the said connection part, Lifespan can be improved.

  The food agitating device according to claim 5 is the food agitating device according to any one of claims 1 to 4, wherein the outer agitating means is the reference for the connecting portion between the second recess and the inner peripheral surface. The cross section perpendicular to the axis is formed in a shape that forms a predetermined obtuse angle.

  And according to such a configuration, the shape of the connecting portion between the second recess and the inner peripheral surface in the outer stirring means can be formed into a suitable shape to suppress damage to the connecting portion, Product life can be improved.

  Furthermore, the food stirring apparatus according to claim 6 is the food agitator according to any one of claims 1 to 5, wherein the first recess has a semicircular cross section perpendicular to the reference axis. It is a feature.

  And according to such composition, while being able to form the 1st crevice simply and inexpensively, cleaning of the 1st crevice after use can be performed easily.

  Furthermore, the food stirring apparatus according to claim 7 is the food stirring device according to any one of claims 1 to 6, wherein the second recess has a semicircular cross section perpendicular to the reference axis. It is characterized by.

  And according to such composition, according to such composition, while being able to form the 2nd crevice simply and cheaply, cleaning of the 2nd crevice after use is performed easily. Can do.

  The food stirring device according to claim 8 is characterized in that, in any one of claims 1 to 7, the inner stirring means and the outer stirring means are made of the same material.

  And according to such a structure, the manufacturing cost of a food stirring apparatus can further be reduced.

  According to the present invention, it is possible to sufficiently stir the food, and thus to obtain a final product with good quality.

  Hereinafter, an embodiment of a food agitation apparatus according to the present invention will be described with reference to FIGS. 1 to 9.

  1 is a front view showing a food agitation apparatus 1 according to the present embodiment, FIG. 2 is a bottom view of FIG. 1, FIG. 3 is a bottom perspective view of FIG. 1, and FIG. FIG. 5 shows a cross-sectional view, FIG. 5 shows a cross-sectional view taken along the line AA in FIG. 1, and FIG. 6 shows a cross-sectional view taken along the line BB in FIG.

  The food agitation apparatus (apparatus main body) 1 in this embodiment is a soy milk mixed with an edible coagulant (for example, a liquid obtained by mixing flour, eggs, dairy products, oils and fats, water, etc., called a grasshopper liquid). It is possible to stir and discharge foods such as.

  As shown in FIG. 1, a food agitation apparatus (apparatus main body) 1 in the present embodiment has a motor 2 as a rotation driving means.

  As shown in FIG. 4, the motor 2 includes a pair of bearings 5, 6 disposed in a can-like casing 3 with a space in the vertical direction, and an annular two-layer oil seal that is vertically stacked. 4 has a motor shaft 10 that is elongated in the vertical direction in FIG. 4 and is rotatably supported through 7 and 8, and this motor shaft 10 is a part on the tip end (lower end in FIG. 4) side. However, the lower end of the casing 3 protrudes downward in FIG. The motor 2 has a motor rotor 11 on the outer periphery of the motor shaft 10 in the casing 3, and the motor rotor 11 includes a motor stator (not shown) disposed outside the motor rotor 11. The motor shaft 10 can be rotated by generating torque by a rotating magnetic field acting between the two. Further, the casing 3 is provided with a water draining hole 13 for draining water in the motor 2, and a water draining air tube 12 is attached to the hole 13. ing. Furthermore, a control panel 14 for performing excitation control on the motor stator or the motor rotor is attached to the casing 3. The motor 2 may be, for example, a three-phase excitation type inverter motor.

  As shown in FIGS. 1 and 4, a first body 15 is disposed at the lower part of the motor 2, and the first body 15 is formed with flanges 15 a and 15 b at both upper and lower ends thereof. The motor shaft 10 is formed in a substantially cylindrical shape concentric with the motor shaft 10.

  The flange 15a on the upper end side of the first body 15 formed in this way is stably and detachably connected to the lower end of the casing 3 of the motor 2 via connecting means 16 such as bolts. .

  In addition, in the first body portion 15, annular two-layer mechanical seals 17 and 18 that are stacked one above the other in FIG. 4 are disposed, and a motor shaft is disposed at the center of these mechanical seals 17 and 18. 10 is rotatably supported.

  Further, the first body portion 15 is provided with a water supply opening 20 for supplying lubricating water to the mechanical seals 17, 18. A joint 21 for water supply to which means can be connected is attached.

  Furthermore, an opening 22 for drainage for discharging the lubricating water supplied to the mechanical seals 17, 18 is formed in the first body portion 15. For this purpose, a joint part 23 is connected.

  Further, as shown in FIGS. 1 and 4, a second body portion 25 is disposed below the first body portion 15, and the second body portion 25 includes an annular upper wall portion 25 a, A cylindrical peripheral wall portion 25b surrounding the upper wall portion 25a is formed.

  The second body part 25 formed in this way has the upper end part of the peripheral wall part 25b stably attached and detached via the flange 15b on the lower end part side of the first body part 15 and the connecting means 16 such as a bolt. Connected as possible. Further, as shown in FIG. 4, a flat annular plate 27 is connected to the upper surface of the upper wall portion 25a via a connecting means 16 such as a bolt. Furthermore, the motor shaft 10 passes through the center of the upper wall portion 25a.

  Further, as shown in FIGS. 1, 2, and 4, a bottom plate portion 26 whose outer shape is formed in a substantially square shape is disposed at the lower portion of the second body portion 25. It is stably and detachably connected to the lower end portion of the peripheral wall portion 25b of the second body portion 25 via a connecting means 16 such as a bolt.

  As shown in FIG. 4, a supply port 29 having a circular opening is formed in the center of the bottom plate portion 26, and the food before stirring is supplied into the food stirring device 1 through the supply port 29. It is possible to do.

  In addition, a substantially cylindrical supply port side ferrule 30 having a lower end formed in a flange shape on the inner side of the supply port 29 protrudes downward from the inner peripheral surface of the supply port 29 in FIGS. 1 and 4. The supply port side ferrule 30 stably guides the supply of food into the food stirring device 1. Although not shown, the supply port side ferrule 30 is connected to a supply device for supplying food to the food stirring device 1.

  Further, as shown in FIG. 4, the peripheral wall portion 25 b of the second body portion 25 is provided with a discharge port 31 having a circular opening, and the food after stirring is mixed with the food through the discharge port 31. It can be discharged out of the apparatus 1.

  A substantially cylindrical discharge port side ferrule 32 having a right end portion in FIG. 1 and FIG. 4 formed in a flange shape is provided inside the discharge port 31 from the inner peripheral surface of the discharge port 31. The discharge port side ferrule 32 stably guides the discharge of food out of the food stirring device 1. In addition, although not shown in figure, the apparatus of the next process of the food stirring apparatus 1 is connected to this discharge port side ferrule 32. As shown in FIG.

  However, the supply port 29 and the discharge port 31 may have their arrangement positions reversed. The number of the supply ports 29 and the discharge ports 31 need not be limited to one. For example, the discharge ports 31 or the supply ports 29 are arranged in the circumferential direction on the peripheral wall portion 25b of the second body 25. A plurality may be arranged so as to provide a predetermined interval.

  Furthermore, as shown in FIG. 4, in the space communicating with the supply port 29 and the discharge port 31 in the food stirring device 1, that is, in the space surrounded by the second body portion 25 and the bottom plate portion 26, An annular stirring rotor 34 as an inner stirring means and an annular stirring stator 35 as an outer stirring means are provided.

  The stirring rotor 34 and the stirring stator 35 are preferably made of the same material such as stainless steel.

  The agitating rotor 34 is connected to the front end portion 10a of the motor shaft 10 (the lower end portion in FIG. 4), whereby the torque of the motor 2 is transmitted to the agitating rotor 34 so as to be agitated rotor 34. Can be driven to rotate. Specifically, in FIG. 4, the front end portion 10 a of the motor shaft 10 is inserted into a circular opening 34 b formed in the center of the stirring rotor 34 and then the lower end side of the front end portion 10 a. Thus, it is stably and detachably fixed to the stirring rotor 34 via a washer 39 that contacts the lower surface of the stirring rotor 34 and a bolt 40 that passes through the washer 39 from below.

  As shown in FIGS. 4 and 5, the stirring rotor 34 has an outer peripheral surface 34 a centered on a reference shaft 33 coaxial with the motor shaft 10, and the outer peripheral surface 34 a includes the outer peripheral surface 34 a. A long rotor side as a first recess from the end on the supply port 29 side (lower end in FIG. 4) toward the end on the outer peripheral surface 34a on the discharge port 31 side (upper end in FIG. 4). A plurality of recesses 36 are formed at equal intervals in the circumferential direction.

  In addition, each rotor side recessed part 36 in this embodiment is linearly formed toward the edge part by the side of the discharge port 31 in the outer peripheral surface 34a from the edge part by the side of the supply port 29 in the outer peripheral surface 34a.

Further, as shown in FIG. 5, each rotor-side recess 36 is formed in a substantially semicircular shape in which a cross-sectional shape orthogonal to the reference axis 33 is open toward the outside in the radial direction. Further, along with this, as shown in FIG. 7, a cross section perpendicular to the reference axis 33 of the articulation portion with the rotor-side recess 36 and the outer circumferential surface 34a is shaped to form a predetermined obtuse angle theta ₁ Has been. That is, the connecting portion between the rotor-side recess 36 and the outer circumferential surface 34a is a cross-section perpendicular to the reference axis 33 forms a blade portion 42, such as to form an obtuse angle theta _1.

The rotor side recessed part 36 which consists of such a simple shape can be easily and cheaply formed by a wire cutting device etc., for example. Also, the cross section of the blade portion 42 composed of a connecting part between the rotor-side recess 36 and the outer peripheral surface 34a is by an obtuse angle theta _1, it is possible to suppress the damage of the blade portion 42 at the time of stirring.

  On the other hand, the stirring stator 35 is disposed so as to provide a predetermined gap C (see FIG. 8) on the outer side in the radial direction with respect to the stirring rotor 34. The second body 25 is fixed inside the peripheral wall 25b.

  As shown in FIGS. 4 and 5, the stirring stator 35 is concentric with the outer circumferential surface 34a of the stirring rotor 34 and has a larger radius than the outer circumferential surface 34a by a gap C (see FIG. 8). And an inner peripheral surface 35a. In this inner peripheral surface 35a, from the end on the supply port 29 side (lower end portion in FIG. 4) of the inner peripheral surface 35a to the end portion on the discharge port 31 side (upper end portion in FIG. 4) of the inner peripheral surface 35a. A plurality of elongate stator side recesses 37 as second recesses extending in the circumferential direction are formed at equal intervals in the circumferential direction.

  In addition, each stator side recessed part 37 in this embodiment is linearly formed toward the edge part by the side of the discharge port 31 in the internal peripheral surface 35a from the edge part by the side of the supply port 29 in the internal peripheral surface 35a.

Each stator-side recess 37 is formed in a substantially semicircular shape in which a cross-sectional shape orthogonal to the reference axis 33 is open toward the inside in the radial direction. Further, along with this, as shown in FIG. 7, a cross section perpendicular to the reference axis 33 of the articulation portion with the inner peripheral surface 35a and the stator-side recess 37 is shaped to form a predetermined obtuse angle theta ₂ Is formed. That is, the connecting portion between the inner peripheral surface 35a and the stator-side recess 37, the cross section perpendicular to the reference axis 33 forms a blade portion 43, such as to form a predetermined obtuse angle theta _2.

Similarly to the rotor-side recess 36, the stator-side recess 37 having such a simple shape can be easily and inexpensively formed by, for example, a wire cutting device. Moreover, the cross-sectional shape of the blade part 43 which consists of a connection part of the stator side recessed part 37 and the internal peripheral surface 35a makes obtuse angle (theta) ₂ , Therefore The damage of the said connection part at the time of stirring can be suppressed.

  And in this embodiment, it shows in FIG. 8 between the outer peripheral surface 34a and the rotor side recessed part 36 in the rotor 34 for stirring, and the inner peripheral surface 35a and the stator side recessed part 37 in the stator 35 for stirring. As described above, a space for stirring food (hereinafter referred to as stirring space S) is formed.

As shown in FIG. 4, a slight gap c ₁ is formed in the vertical direction (axial direction) between the lower end surface of the stirring rotor 34 and the upper surface of the bottom plate portion 26. The food before stirring supplied from 29 to the food stirring device 1 flows into the stirring space S through the gap c ₁ .

Further, as shown in FIG. 4, the upper end face of the stirring rotor 34, between the lower end face of the upper wall portion 25a of the second body portion 25, a slight gap c ₂ in the vertical direction is formed cage, food after stirring exiting the stirring space S is adapted to flow to the discharge port 31 through the gap c _2.

In order to stir food using the food stirrer 1 according to the present embodiment formed in this way, the food is fed into the food stirrer 1 through the supply port 29 while the stirring rotor 34 is driven to rotate by the motor 2. Is fed into the stirring space S through the gap c ₁ , and further passes through the stirring space S and the gap c ₂ in order to flow to the discharge port 31.

  Here, FIG. 8 schematically shows the flow state of the food accompanying the rotational drive of the stirring rotor 34 when the food passes through the stirring space S (that is, when the food is stirred). FIG. 9 schematically shows a pressure state acting on the food 47 when the food is stirred. 9, the position where the food 47 is dense indicates a position where the pressure acting on the food is high, and the position where the food 47 is rough indicates a position where the pressure acting on the food is low. ing.

  As shown in FIG. 8, if the rotation direction of the stirring rotor 34 is counterclockwise (counterclockwise) in FIG. 8, the food that passes through the stirring space S is placed on the side of the stirring stator 35 by centrifugal force. Will be pressed against.

  At this time, the blade on the stirring stator 35 side, such as the blade portion 43 on the stirring stator 35 side indicated by arrow A in FIG. 8 and the blade portion 42 on the stirring rotor 34 side indicated by arrow A in FIG. In a position where the blade portion 42 on the side of the stirring rotor 34 closest to the portion 43 approaches, as shown in FIG. 9, the insertion is performed between the rotor side concave portion 36 and the stator side concave portion 37. A pressure region 45 is formed.

  On the other hand, a blade portion on the stirring stator 35 side, such as a blade portion 43 on the stirring stator 35 side indicated by an arrow B and a blade portion 42 on the stirring rotor 34 side indicated by an arrow B in FIG. As shown in FIG. 9, in the position where the blade portion 42 on the side of the agitating rotor 34 closest to 43 is spaced apart, as shown in FIG. 46 will be formed.

  As a result, as shown in FIG. 8, an ultra-high speed turbulent flow is generated that rotates clockwise in the stator-side recess 37 and rotates counterclockwise in the rotor-side recess 36.

  As a result, the food is evenly stirred. For example, when stirring a liquid in which edible coagulant is mixed with soy milk as food, bubbles in the liquid are removed and the particles are sufficiently stirred and mixed to promote solidification. can do. A well-stirred food product in this way can form a good end product (eg, tofu).

  As described above, according to the present embodiment, the food is passed through the stirring space S from the supply port 29 side toward the discharge port 31 side while the stirring rotor 34 is driven to rotate by the motor 2. Can sufficiently stir the food.

  In addition, the food agitation apparatus 1 according to the present embodiment is such that each component is detachably connected by connecting means 16 and 40 such as bolts, so that parts can be easily replaced, cleaned, and the like can be easily handled. It is.

  In addition, this invention is not limited to embodiment mentioned above, A various change is possible as needed.

  For example, in the embodiment described above, the inner stirring means is the rotor (stirring rotor 34) and the outer stirring means is the stator (stirring stator 35). However, the present invention has such a configuration. For example, the inner stirring means may be a stator and the outer stirring means may be a rotor.

  Moreover, you may make it form the recessed parts 36 and 37 helically as needed.

The front view which shows embodiment of the food stirring apparatus which concerns on this invention Bottom view of FIG. 1 is a bottom perspective view of FIG. Partial sectional view of FIG. AA cross-sectional arrow view of FIG. BB sectional view of FIG. In embodiment of the food stirring apparatus which concerns on this invention, the enlarged view which shows a rotor side recessed part and a stator side recessed part Explanatory drawing for demonstrating the flow state of the food accompanying the rotational drive of the rotor for stirring at the time of stirring of food in embodiment of the food stirring apparatus concerning this invention Explanatory drawing for demonstrating the pressure state which acts on the foodstuff at the time of food stirring in embodiment of the foodstuff stirring apparatus which concerns on this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Food stirring apparatus 2 Motor 29 Supply port 31 Discharge port 33 Reference shaft 34 Stirring rotor 35 Stirring stator 36 Rotor side recessed part 37 Stator side recessed part

Claims (8)

A food agitator that agitates and discharges the supplied food,
A supply port for supplying the food before stirring into the apparatus body;
A discharge port for discharging the food after stirring out of the apparatus body;
The device body is disposed in a space communicating with the supply port and the discharge port, and has an outer peripheral surface with a predetermined reference axis as a center, and the outer peripheral surface includes the outer peripheral surface on the supply port side. An inner stirrer having a plurality of elongated first recesses extending from the end of the outer peripheral surface toward the end on the discharge port side of the outer peripheral surface with a predetermined interval in the circumferential direction;
A space between the supply port and the discharge port in the apparatus main body is disposed so as to provide a predetermined gap on the outer side in the radial direction with respect to the inner stirring unit, and the outer periphery of the inner stirring unit An inner peripheral surface that is concentric with the surface and has a larger diameter than the outer peripheral surface, and is formed on the inner peripheral surface from the end on the supply port side of the inner peripheral surface on the outlet side of the inner peripheral surface. A plurality of outer stirrers formed with a plurality of elongated second concave portions directed toward the end portions at predetermined intervals in the circumferential direction;
A rotation driving means for rotating one of the inner stirring means and the outer stirring means.
The other stirring means for the one stirring means of the inner stirring means and the outer stirring means is fixed in the apparatus main body,
While the one stirring means is driven to rotate by the rotation driving means, the outer stirring face and the first recess in the inner stirring means are sandwiched between the inner peripheral face and the second recess in the outer stirring means. A food agitation apparatus characterized in that the food can be agitated by allowing the food to pass through the space from the supply port side toward the discharge port side. The food stirring apparatus according to claim 1, wherein the one stirring means is the inner stirring means, and the other stirring means is the outer stirring means. The food agitator according to claim 1 or 2, wherein the first recess and the second recess are formed in a straight line. The inner stirring means is formed in a shape such that a cross section perpendicular to the reference axis of the connecting portion between the first recess and the outer peripheral surface forms a predetermined obtuse angle. The food stirring device according to any one of claims 3 to 4. The outer stirrer is formed in a shape such that a cross section perpendicular to the reference axis of the connecting portion between the second recess and the inner peripheral surface forms a predetermined obtuse angle. The food stirring device according to any one of claims 1 to 4. The food agitator according to any one of claims 1 to 5, wherein the first recess has a semicircular cross section perpendicular to the reference axis. The food agitator according to any one of claims 1 to 6, wherein the second recess has a semicircular cross section perpendicular to the reference axis. The food stirring device according to any one of claims 1 to 7, wherein the inner stirring means and the outer stirring means are made of the same material.

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