JP2000194926A - Drink agitating and mixing device for automatic vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a drink agitating and mixing device for automatic vending machine which has strong washing force by making the top edge part of a bowl-shaped container curved and folded back in an inward radial direction over all circumference. SOLUTION: The top edge part 11b of a bowl-shaped container 11 is curved and folded back in the inward radial direction over all circumference. In the part 11b, an annular locking nail 11b1 formed in a lower part is snap-interfitted into an annular locking projection 11d1 formed on the upper edge of a lower part 11d of the container 11 and flexibly engaged to be connected to the part 11d. The contact parts of them are subjected to water stopping with an O ring 11e. After a prepared beverage is discharged from the container 11, a motor 13 is operated to rotate an agitating blade 12, and hot water is supplied to the container 11 through a hot water supply tube 15. The hot water in the container 11 is agitated horizontally by the blade 12, also pushed in an outward radial direction by centrifugal force to be guided to the part 11b curved in the inward radial direction, and circulated downward to be also agitated vertically.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a beverage stirring and mixing device for a vending machine.

[0002]

2. Description of the Related Art As shown in FIG. 1, a bowl-shaped container 1 having an opening 1a formed at the bottom, and an opening 1a disposed in the bowl-shaped container 1 close to the bottom wall of the bowl-shaped container at the periphery of the opening 1a. Disk-shaped stirring blade 2 for covering the plate, and a motor 3 for rotating and driving the stirring blade 2
A vending machine that sells a beverage prepared by adding hot water to a beverage powder and stirring and mixing, or a beverage prepared by adding a seasoning powder such as sugar and powdered milk to a liquid beverage and stirring and mixing. Has been used for some time. In the beverage stirring and mixing apparatus shown in FIG. 1, the motor 3 is operated to rotate the stirring blade 2. The beverage powder is supplied to the bowl-shaped container 1 via the raw material chute 4, the hot water is supplied to the bowl-shaped container 1 via the hot water supply tube 5, and the beverage powder and hot water are stirred and mixed in the bowl-shaped container 1. Is prepared. The steam generated during the stirring and mixing is discharged through the exhaust duct 6. After the beverage powder and hot water are sufficiently stirred and mixed, the operation of the motor 3 is stopped and the rotation of the stirring blade 2 is stopped. Bowl-shaped container 1 by centrifugal force
The beverage that has been pushed radially outward along the inclined inner wall flows down along the inner wall, passes through the gap between the stirring blade 2 and the bottom wall of the bowl 1, and passes through the opening 1 a. Then, it flows out of the bowl-shaped container 1 and flows into a cup (not shown) through the conduit 7. After discharging the prepared beverage from the bowl-shaped container 1, the motor 3 is operated to rotationally drive the stirring blades 2,
Hot water is supplied to the bowl-shaped container 1 and the hot water in the bowl-shaped container 1 is stirred to wash the bowl-shaped container 1. After sufficiently stirring the hot water, the motor 3 is stopped to stop the stirring blades 2, and the washing waste liquid is discharged through the conduit 7.

[0003]

In the conventional beverage stirring and mixing apparatus shown in FIG. 1, when the bowl 1 is washed, the hot water in the bowl 1 is simply horizontal as shown by the arrow in FIG. Since the stirring is only performed in the direction, the beverage adhering to the inner wall of the bowl-shaped container 1 cannot be sufficiently washed away, and there is a problem that the inner wall of the bowl-shaped container 1 becomes dirty with time. The present invention has been made in view of the above problems, and an object of the present invention is to provide a beverage stirring and mixing device of a vending machine having a higher detergency than a conventional beverage stirring and mixing device.

[0004]

In order to solve the above-mentioned problems, in the present invention, a bowl-shaped container having an opening formed at the bottom, and a bowl-shaped container approaching the bowl-shaped container bottom wall around the opening. A disk-shaped stirring blade disposed in the inside and covering the opening, and a driving device for rotating and driving the stirring blade, the upper edge portion of the bowl-shaped container is curved radially inward over the entire circumference. Provided is a beverage stirring and mixing device which is folded back. In the beverage stirring and mixing device according to the present invention, since the upper edge portion of the bowl-shaped container is bent inward in the radial direction over the entire circumference and folded back, when the stirring blade is rotated, the inside of the bowl-shaped container is rotated. The hot water is agitated in the horizontal direction, and the hot water pushed radially outward by centrifugal force is guided to the radially inwardly curved upper edge of the bowl-shaped container, and flows downward to the vertical direction. Stirred. As a result, the cleaning power is improved.

In a preferred embodiment of the present invention, an upper edge portion of the bowl-shaped container, which is bent inwardly in a radial direction over the entire circumference, and a lower portion are separately formed and joined. I have. A bowl-shaped container having a complicated shape is formed by separately forming an upper edge portion and a lower portion, which are bent inward in the radial direction over the entire circumference and folded back, and are joined together. It can be easily manufactured.

In a preferred embodiment of the present invention, the upper edge of the bowl-shaped container, which is bent radially inward over the entire circumference and folded back, is snap-fitted to the upper edge of the lower portion. The contact part is stopped by an O-ring. The two-part bowl-shaped container is easily assembled by snap-fitting the upper edge of the bowl-shaped container, which is bent inwardly in the radial direction over the entire circumference, to the upper edge of the lower part. be able to. O-rings can reliably stop water at the two contact portions.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A beverage stirring and mixing apparatus for a vending machine according to an embodiment of the present invention will be described with reference to FIG. An opening 11 a is formed in the bottom of the bowl-shaped container 11. The upper edge portion 11b of the bowl-shaped container 11 is bent radially inward over the entire circumference and folded back. The upper end of the bowl-shaped container 11 is covered with a lid 11c. The upper edge 11b and the lid 11c are integrally formed. The lower part 11d including the inclined wall and the bottom of the bowl-shaped container 11 is integrally formed. The upper edge portion 11b of the bowl-shaped container 11 has an annular locking claw 11 formed at the lower end portion.
The b _1, whereby it snapped elastically engaged to engaging protrusions 11d ₁ annular upper molded to the edge of the lower portion 11d of the bowl-shaped container 11 and is tightly joined to the lower portion 11d. The contact portion between the two is stopped by the O-ring 11e.

[0008] A disk-shaped stirring blade 12 is disposed in a bowl-shaped container 11. The stirring blade 12 is disposed close to the bottom wall of the bowl 11 around the opening 11a and covers the opening 11a. A shaft member 12a extends vertically through the stirring blade 12. The shaft member 12a is rotatably supported by a bearing attached to the bowl-shaped container 11. The upper end of the shaft member 12a is connected to the motor 13 via a coupling.
It is connected to the. A raw material chute 14, a hot water supply tube 15, and an exhaust duct 16 are connected to an opening formed in the lid 11c of the bowl-shaped container 11. A conduit 17 is connected to the opening 11 a of the bowl-shaped container 11.

The operation of the beverage stirring and mixing apparatus according to this embodiment having the above-described configuration will be described. The motor 13 operates and the stirring blade 12 rotates. Beverage powder such as instant coffee powder and cocoa powder and sugar, powdered cream and the like are supplied to the bowl 11 via the chute 14. Hot water is supplied to the bowl-shaped container 11 via the hot water supply tube 15. The above raw materials are stirred and mixed by the rotating stirring blades 12 to prepare a beverage. During the stirring, the beverage which is going to enter the gap between the stirring blade 12 and the bottom wall of the bowl 11 is pushed back radially outward by centrifugal force.
The beverage in 1 does not flow out of the bowl 11. Steam generated during the stirring and mixing of the beverage is discharged through the exhaust duct 16. When the stirring and mixing are completed and the stirring blades 12 are stopped, the prepared beverage passes through a gap between the stirring blades 12 and the bottom wall of the bowl 11 and an opening 11 a formed in the bottom of the bowl 1. Out of the bowl 11 through the
7, and flows into a container such as a paper cup (not shown).

After the prepared beverage is discharged from the bowl-shaped container 11, the driving device 3 operates to rotate the stirring blades 12,
Hot water is supplied to the bowl-shaped container 11 via the hot water supply tube 15. The hot water in the bowl-shaped container 11 is horizontally stirred by the rotating stirring blades 12 as shown by the arrow in FIG. 2 and radially outward by centrifugal force as shown by the double arrow in FIG. It is pushed down, guided by the upper edge 11b curved inward in the radial direction of the bowl-shaped container 11, and refluxed downward, and is also stirred in the vertical direction. As a result, the detergency is improved as compared with the conventional beverage stirring and mixing apparatus that merely agitates in the horizontal direction, and the beverage adhering to the inner surface of the bowl 11 is sufficiently washed away. Are kept in a clean state for a long time. In the beverage stirring and mixing apparatus according to the present embodiment, since the washing power is strong, the bowl-shaped container 11 can be washed with a smaller amount of hot water as compared with the related art, and the power required for washing can be saved as compared with the related art. After sufficiently stirring the hot water, the driving device 13 is stopped, the stirring blade 2 is stopped, and the washing waste liquid is
7 is discharged.

In the beverage stirring and mixing apparatus according to the present embodiment, an upper edge portion 11b and a lid portion 11c of the bowl-shaped container 11 which are bent inward in the radial direction over the entire circumference and are folded are integrally formed. Since the lower portion 11d is separately molded and joined together, it is easy to manufacture the bowl 11 having a complicated shape.

In the beverage stirring and mixing device according to the present embodiment, the upper edge 11b of the bowl-shaped container 11 that is bent inward in the radial direction over the entire circumference is turned into the upper edge of the lower portion 11d. Bowl-shaped container 1 consisting of two parts
1 is easy to assemble. The O-ring 11e can reliably stop the water in the two contact portions.

[0013]

As described above, in the beverage agitating and mixing apparatus according to the present invention, the upper edge of the bowl-shaped container is bent inward in the radial direction over the entire circumference and is folded back. When the is rotated, the hot water in the bowl-shaped container is agitated in the horizontal direction, and the hot water pushed radially outward by the centrifugal force is guided to the curved upper edge portion of the bowl-shaped container radially inward. Then, the mixture is refluxed downward, and is also stirred vertically. As a result,
The cleaning power is improved as compared with the conventional beverage stirring and mixing apparatus which merely stirred in the horizontal direction, the beverage attached to the inner surface of the bowl-shaped container is sufficiently washed away, and the inner surface of the bowl-shaped container is maintained for a long time. It is kept clean. In the beverage stirring and mixing apparatus according to the present invention, since the washing power is strong, the bowl-shaped container can be washed with a small amount of hot water as compared with the conventional case, and the power required for washing can be saved as compared with the conventional case.

An upper edge portion and a lower portion, which are bent inward in the radial direction over the entire circumference of the bowl-shaped container, are formed separately, and the two portions are joined to form a bowl having a complicated shape. The container can be easily manufactured.

The upper edge of the bowl-shaped container, which is bent inwardly in the radial direction over the entire circumference, is snap-fitted to the upper edge of the lower portion to form a bowl-shaped container having two parts. Can be easily assembled. O-rings can reliably stop water at the two contact portions.

[Brief description of the drawings]

FIG. 1 is a sectional view of a beverage stirring and mixing device of a vending machine having a conventional structure.

FIG. 2 is a sectional view of a beverage stirring and mixing device of a vending machine according to the present invention.

[Explanation of symbols]

1,11 bowl-shaped container 1a, 11a opening 2,12 stirring blade 3,13 motor 4,14 chute 5,15 hot water supply tube 6,16 exhaust duct 7,17 conduit 11b upper edge of bowl-shaped container 11b ₁ locking claw 11c Lid 11d Lower part of bowl-shaped container 11d ₁ Locking projection 11e O-ring 12a Shaft member

Claims (3)

[Claims] 1. A bowl-shaped container having an opening formed at the bottom, a disk-shaped stirring blade disposed in the bowl-shaped container close to the bottom wall of the bowl-shaped container on the periphery of the opening and covering the opening, A drive device for rotating and driving the stirring blades, wherein the upper edge of the bowl-shaped container is bent radially inward over the entire circumference and folded back, the beverage stirring and mixing device for a vending machine being characterized in that . 2. The upper edge portion of the bowl-shaped container, which is bent inwardly in the radial direction over the entire circumference and folded over, and the lower portion are formed separately and joined. The beverage stirring and mixing device for a vending machine according to claim 1, wherein: 3. The upper edge of the bowl-shaped container, which is bent inwardly in the radial direction over the entire circumference and folded back, is snap-fitted to the upper edge of the lower portion, and the both edges are in contact with each other. The beverage stirring and mixing device for a vending machine according to claim 2, wherein the contact portion is stopped by an O-ring.