JPH089831Y2 - Agitator for cup-type vending machines - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a stirrer which is mounted on a cup type vending machine and stirs and mixes raw materials and drinking water to cook and produce a beverage.

[Conventional technology]

A cup-type vending machine that cooks, manufactures, and sells various beverages includes a stirring device that stirs and mixes raw materials such as coffee, tea, sugar, and cream with drinking water such as hot water and cold water. This stirring device is provided with a funnel-shaped stirring container having a discharge port formed at the bottom for communicating with the inside and outside, and inside the stirring container, the discharge port and the rotary type that faces each other with a certain gap at the periphery thereof. Stirring blades are provided. The gap between the rotary blade and the discharge port and its peripheral portion is such that the raw material and the drinking water in the stirring container to be stirred and mixed are along the funnel-shaped bottom surface in the stirring container by the stirring blade while the stirring blade is rotating. It is set so that it is swirled while being pushed up by the centrifugal force in the outer peripheral direction and does not flow out from the discharge port through the gap, and when the stirring and mixing ends and the beverage becomes the stirring blade and the stirring blade stops, it flows out through the gap through the discharge port. There is. That is, if the gap is too narrow, it becomes difficult for the beverage to be discharged from the discharge port, and if it is too wide, the beverage flows out from the discharge port while the stirring blade is not sufficiently stirred and mixed while rotating. Therefore, it is important to properly maintain the gap between the stirring blade, the discharge port of the stirring container, and the peripheral portion thereof, and a conventional example of this type of stirring device is shown in FIGS. 2 and 3. FIG. 2 is a front view showing an internal structure including a stirring device of a conventional vending machine, and FIG. 3 is an enlarged vertical cross-sectional view of a right side main part showing a structure of the stirring device of FIG. It is the front side.

In FIGS. 2 and 3, reference numeral 1 denotes a case. In this case 1, a cup supply device 3 for supplying one container 2 at a time on the upper left and a container 2 for supply below the cup supply device 3 are provided. A cup shooter 4 for guiding and a cup receiving stand 5 for placing the container 2 under the cup shooter 4 are arranged. Further, a hot water tank 6 for storing hot water, a hose 7 connected to the right side surface of the hot water tank 6 for supplying hot water, and a hot water valve 8 connected in the middle of the hose 7 are provided on the rear side of the cup supply device 3, respectively. At the same time, the end of the hose 7 on the discharge side is connected to an inlet 10 that opens to the outer periphery of the side wall of the stirrer 9 and takes in drinking water such as hot water and cold water. Further, on the lower side of the stirring device 9, the other end of the hose 12 whose one end is connected to a discharge port 11 formed at the bottom of the stirring device 9 has its tip directed toward the inside of the container 2 on the cup receiving base 5 It is connected to the beverage nozzle 13 fixed on the upper side,
Above the stirring device 9, there are arranged a raw material box 14 for storing raw materials such as powder and granules, and a raw material shooter 15 for guiding the raw material discharged from the raw material box 14 to the stirring device 9.

The stirrer 9 has a discharge port 11 on the bottom and an intake port 10 on the side wall.
And a funnel-shaped stirring container having an exhaust port 16 formed at the front end that opens downward and communicates with the internal space.
17, the rotary stirring blades 19 facing each other with a constant gap 18 on the opening surface of the discharge port 11 opening at the inner bottom surface of the stirring container 17 and its periphery, and the lower end of the stirring blade 19 is fitted to the stirring container 17. A rotating shaft that is inserted into and removed from the formed bearing 20.
21, a lid that forms a raw material inlet 22 that rotatably holds the upper end of the rotary shaft 21 and opens on the upper surface, and fits the outer circumference of the lower end into the outer circumference of the upper end of the stirring container 17 to cover the upper opening of the stirring container 17. 23 and the rotary shaft 21 protruding above the lid 23 are coupled.
And a motor 26 that is rotationally driven by a rotary shaft 24 via 25.

In the above-described configuration, when the motor 26 is started by the sales command signal and the stirring blade 19 rotates, at the same time, the container 2 is guided from the cup supply device 3 to the cup shooter 4 and conveyed onto the cup cradle 5, while the hot water valve. 8 opens, hot water is passed from the hot water tank 6 through the hose 7, and the raw material shooter
A certain amount of raw material from the raw material box 14 through 15
Supplied within 17. The hot water and the raw material supplied in the stirring container 17 are rotated by a stirring blade 19 to pass through a gap 18 and a discharge port.
It does not flow out from 11 and swirls while being pushed up by its centrifugal force along the funnel-shaped bottom surface inside the stirring container 17 while being pushed up by its centrifugal force, and is stirred and mixed by the stirring blades 19, and the raw materials are dissolved in hot water to give a beverage. Manufactured. After a certain period of time has passed, this beverage
When it stops, the beverage nozzle 13 flows down through the hose 12 from the discharge port 11 that opens through the gap 18 at the bottom of the stirring container 17.
Is poured into the container 2 on standby on the cup holder 5 from the tip of the.

[Problems to be solved by the device]

By the way, in the conventional stirring device 9 as described above, the stirring blade 19 is fitted to the rotating shaft 21 rotatably held by the lid 23 covering the upper opening of the stirring container 17, and holds the rotating shaft 21. The gap 18 between the stirring blade 19 and the discharge port 11 varies due to the accuracy of the position and the fitting position of the stirring blade 19, the processing accuracy of the stirring container 17 and the lid 23, and the like. Due to this variation, the raw material and the drinking water supplied into the stirring container 17 may not finish stirring when the gap 18 is too wide, and may flow out of the discharge port 11 through the gap 18 during rotation of the stirring blade 19. If the gap 18 is too narrow, there is a problem that it takes too much time to flow from the discharge port 11 through the gap 18 after the stirring and mixing is completed and the stirring blade 19 is stopped.

An object of the present invention is to provide a stirring device for a vending machine, in which the raw material in the stirring container and drinking water do not flow out during stirring and quickly flow out after completion of stirring.

[Means for solving the problem]

According to the present invention, in order to solve the above-mentioned problems, a funnel-shaped stirring container having a discharge port communicating with the inside and the outside at the lower end, and an opening face of the discharge port disposed in the stirring container and a peripheral portion thereof are provided. Of a cup-type vending machine that stirs and mixes raw materials such as coffee, cocoa, and tea and drinking water such as hot water and cold water in the stirring container with the stirring blades each time it is sold. In the stirrer, a spacing piece inserted between the impeller and the stirring container, or a protrusion formed on either or both of the impeller and the stirring container, the spacing piece or the protrusion. It is assumed that the impeller rotates while abutting on the stirring container via the section.

[Action]

According to the present invention, a gap piece inserted between a stirring blade and a stirring container having a discharge port at the lower end thereof that communicates with the inside and outside of the stirring blade, or either one or both of the impeller and the stirring container. Since the impeller is rotated while contacting the stirring container via the spacing piece or the protrusion, the discharge port and its peripheral portion and the stirring blade are mutually connected. The gap between the surfaces facing each other can be kept constant during rotation, except for the portions that contact each other through the intervening pieces or projections. It is possible to swirl the inside of the stirring container by stirring with the stirring blade without flowing out of the discharge opening through the gap, and when the stirring blade stops, quickly pass through the gap and flow out from the discharge port.

〔Example〕

An embodiment of the present invention will be described below with reference to FIG. FIG. 1 is a vertical cross-sectional view of a right side view showing the structure of a stirring device for a cup type vending machine according to one embodiment of the present invention, and the left side of the figure is the front side. The same or like parts as those in FIGS. 2 and 3 are designated by the same reference numerals.

In FIG. 1, reference numeral 27 denotes a funnel-shaped stirring container of a stirring device 28. The stirring container 27 has a discharge port 11 that opens at the bottom to a bottom surface and a beverage flows downward, and a downward opening that communicates with the internal space. In addition to forming the exhaust port 16, the stirring container 27 is provided with two rotary stirring blades 29 and 30 facing the discharge port 11 vertically. The stirring blades 29, 30 are fitted to a rotary shaft 31 whose lower end is detachably and rotatably fitted to a bearing portion 20 formed in the discharge port 11. This rotating shaft 31
A shaft hole formed in a lid 32 provided with a raw material inlet 22 and an inlet 10 that fits the upper end inner periphery of the upper end of the stirring container 27 with the lower end outer periphery and covers the upper opening of the stirring container 27 and opens on the upper surface.
It is inserted into 33 and rotatably supported. A coupling 34 is fitted on the upper end of the rotary shaft 31, and the lower end of the rotary shaft 24 of the motor 26 mounted so as to project upward on the lid 32 is fitted on the inner peripheral portion of the coupling 34. At the same time, the rotary shaft 31 pressed downward by the compression spring 35 fitted in the inner peripheral portion of the coupling 34 between the end faces of the rotary shaft 24 and the rotary shaft 31 which face each other is slightly covered by the lid 32 and the stirring container 27. It is held rotatably in a backward tilted posture. Therefore, this stirring container 27
The discharge port 11 including the bearing portion 20 formed on the upper surface and the upper surface of the stirring container 27 at the peripheral portion thereof, and the stirring blade on the lower side fitted to the rotating shaft 31.
The lower surface of 30 faces each other with an appropriate gap 36, and the end surface of a projecting portion 37 projecting downward from the lower surface at the center of rotation of the stirring blade 30 is pressed against the upper surface of the bearing section 20 by a compression spring 35. Abutting.

In the above-described configuration, when selling a beverage, the motor 26 is activated by the sales command signal to rotate the stirring blades 29, 30, and at the same time, the raw material and the drinking water are supplied to the stirring container 27 in constant amounts. The hot water and the raw materials supplied in this stirring container 27 are
It is pressed downward by the compression spring 35 via the rotary shaft 31, and the lower end surface of the protrusion 37 is pressed against the upper surface of the shaft hole 33 and abuts and flows out from the discharge port 11 through the gap 36 which is always kept constant and properly. Instead, it is stirred by the rotating stirring blades 29, 30 and swirls along the funnel-shaped bottom surface in the stirring container 27 in the outer peripheral direction while being pushed up by its centrifugal force. When the stirring and mixing is finished and the raw material is dissolved in hot water to become a drink, the stirring blades 29, 30 are stopped, and at the same time, the drink quickly passes through the gap 36 and is discharged from the discharge port 11.

[Effect of device]

According to this invention, one of the interval piece inserted between the stirring blade and the stirring container having the discharge port communicating with the inside and outside facing the stirring blade formed at the lower end portion, or one of the impeller and the stirring container. Alternatively, both of them are provided with protrusions formed to project, and the impeller is rotated while contacting the stirring container via the spacing piece or the protrusion, so that the discharge port and its peripheral portion and the stirring blade are provided. Can maintain a constant gap during rotation, except for the gap between the surfaces facing each other or the portions contacting each other via the protrusions or protrusions,
The raw material and the drinking water in the stirring container do not flow out from the discharge port during stirring, and immediately flow out from the discharge port when stirring is stopped and the stirring blade is stopped. As a result, the accuracy of the fitting position of the stirring blade,
The effect is that the gap can be constantly and properly maintained regardless of variations in the processing accuracy of the stirring container and lid, and that the beverage that has been sufficiently stirred and mixed can be quickly poured into a container such as a cup to shorten the sales time. can get.

[Brief description of drawings]

FIG. 1 is a right-side longitudinal sectional view showing the structure of a stirring device for a cup type vending machine according to one embodiment of the present invention, and FIG. 2 is a front view showing the internal structure including the stirring device for a conventional vending machine. ,
FIG. 3 is a partially enlarged vertical cross-sectional view of a right side main part showing the configuration of the stirring device of FIG. 1 ... Case, 2 ... Container, 3 ... Cup supply device, 4 ... Cup shooter, 5 ... Cup pedestal, 6 ... Hot water tank, 7, 12
… Hose, 8… Hot water valve, 9,28… Stirring device, 10… Intake port, 11… Discharge port, 13… Beverage nozzle, 14… Raw material box, 15… Raw material shooter, 16… Exhaust port, 17,27… Agitation Container, 18, 36 ... Gap, 19, 29, 30 ... Stirring blade, 20 ... Bearing part, 21, 24, 31 ... Rotating shaft, 22 ... Raw material inlet, 23, 32 ... Lid, 25, 34 ... Coupling, 26 ... Motor, 33 ... Shaft hole, 35 ... Compression spring, 37 ... Projection.

Claims (1)

[Scope of utility model registration request] 1. A funnel-shaped stirring container having a discharge port communicating with the inside and the outside formed at a lower end, and a rotary stirring blade disposed in the stirring container and facing an opening face of the discharge port and a peripheral portion thereof. In a stirring device of a cup-type vending machine, which stirs and mixes raw materials such as coffee, cocoa, and tea and drinking water such as hot water and cold water in the stirring container each time when sold, with the impeller. A spacing piece inserted between the stirring vessel and the impeller and the stirring vessel are provided with a protrusion formed on either or both of the stirring vessel, and the impeller is provided via the spacing piece or the protrusion. A stirring device for a vending machine, which rotates while abutting on the stirring container.