JP4923653B2 - Cup vending machine - Google Patents

Description

  The present invention relates to a powder raw material box for storing and discharging a powder raw material in a cup type vending machine.

  Conventionally, this kind of powder raw material box is required to prevent solidification of the stored raw material and to perform first-in first-out in the raw material box in order to prevent deterioration of the beverage taste.

  FIG. 12 shows a conventional raw material storage box described in Patent Document 1. In FIG. As shown in FIG. 12, the powder raw material box 1, the powder raw material 2 filled in the powder raw material box 1, the screw 3 provided at the bottom of the powder raw material box 1, and the outer periphery of the screw 3 are spirally continuous. The formed guide piece 3 a, the motor 4 connected to the screw 3, the material discharge port 5 arranged on one side not connected to the motor 4 of the screw 3, and the rotation shaft support inside the material box 1 The wheel 6, the guide groove 7 formed in the wheel 6, the U-shaped groove 7a forming a part of the guide groove, the holding piece 8 attached to the inner surface of the powder raw material box 1, The agitator main body 9 is pivotally supported at one end by the holding piece 8 and a connecting piece 10 formed from the agitator main body 9. The connecting piece 10 is inserted into the guide groove 7 of the wheel 6 so that the agitator main body 9 is driven by the wheel 6.

  About the raw material storage box comprised as mentioned above, the operation | movement is demonstrated below.

First, when a sales signal is given, the motor 4 is driven and the screw 3 connected thereto is rotated. At this time, the powder raw material 2 is sequentially sent out to the raw material discharge port 5 by the guide piece 3 a of the screw 3. At the same time, since the guide piece 3 a of the screw 3 and the wheel 6 are engaged with each other, the wheel 6 rotates in conjunction with the rotation of the screw 3. Further, the connecting piece 10 inserted into the guide groove 7 of the wheel 6 is interlocked along the guide groove 7, and when the position reaches the position of the U-shaped groove 7 a of the wheel 6, the connecting piece 10 descends, and the agitator body 9 also descends from top dead center. When the agitator body 9 is lowered to the bottom dead center of the U-shaped groove 7a, it moves upward again, moves to the top dead center, and returns to the original state again. By rotating the wheel 6, the agitator main body 9 repeats this operation, whereby the powder raw material 2 is discharged while being stirred.
Japanese Patent Laid-Open No. 5-205149

  However, in the above-described conventional configuration, the agitator main body extending upward is pivotally supported by the holding piece, and a separate connecting piece is connected to the agitator main body by welding or the like, and the raw material box is rotated by the pivoting operation of the agitator main body. The inside was agitated. For this reason, the stirring force of the connecting piece due to the turning operation of the agitator body is small, and the effect of preventing solidification of the powder raw material is small. Further, since the connecting piece is formed only in a shape extending in the horizontal direction, the resistance of the powder raw material that moves from the upper part toward the screw at the lower part of the raw material box is large, and the stirring force does not work.

  The present invention solves the above-mentioned conventional problems, and the cup-type automatic which reduces the damage to the raw material box while preventing the powder raw material from solidifying by stirring the powder in the raw material box with a larger stirring force than before. The purpose is to provide a vending machine.

In order to solve the above-described conventional problems, a cup-type vending machine according to the present invention is provided with a screw for feeding a powder raw material, an agitator wheel that rotates while meshing with the screw, and an upper end of the agitator wheel. In a cup-type vending machine having an agitator plate fixed to a raw material box and held at the other end by a free end , the agitator plate forms a step portion from the fixed end toward the free end, and the agitator The rotation of the wheel causes the convex portion formed on the side surface of the agitator wheel to rotate along the stepped portion , so that the agitator plate swings in the vertical direction, and the lower portion of the agitator plate is placed in the raw material box. A lower connecting piece that stirs the lower part is connected, and the lower connecting piece extends toward a screw provided at the bottom of the raw material box, and the raw material box Of the sold out detection portion near to detect the powder material remaining to allow stirring, is a resin member for preventing damage of the raw material box by the contact of the agitator plate those fitted and fixed to the lower connection piece.

As a result, the agitator plate is directly rotated by the rotating operation of the wheel, so that the powder raw material box can be uniformly stirred with a large stirring force to prevent the powder raw material from solidifying. Also, by connecting the lower connecting piece to the lower part of the agitator plate, the powder raw material below the agitator plate can be agitated, and the powder raw material in the vicinity of the raw material sold-out detection part can be agitated. Therefore, it is possible to accurately detect the remaining amount of the powder and to prevent the powder raw material from running out. Also, by fitting and fixing a resin member to the lower connecting piece connected to the lower part of the agitator plate, the agitator plate can be swung up and down, and the swaying lower connecting piece can be prevented from being damaged by the inside of the powder raw material box. Can do.

The cup type vending machine of the present invention can uniformly stir the powder raw material in the powder raw material box with a large stirring force, so that the raw material can be prevented from solidifying at an intermediate portion in the raw material box. Also, by connecting the lower connecting piece to the lower part of the agitator plate, the powder raw material below the agitator plate can be agitated, and the powder raw material in the vicinity of the raw material sold-out detection part can be agitated. Therefore, it is possible to accurately detect the remaining amount of the powder and to prevent the powder raw material from running out. Also, by fitting and fixing a resin member to the lower connecting piece connected to the lower part of the agitator plate, the agitator plate can be swung up and down, and the swaying lower connecting piece can be prevented from being damaged by the inside of the powder raw material box. Can do.

According to one aspect of the present invention, a screw for delivering a powder material, the agitator spinning wheel meshing with the screw, located in the upper portion of the agitator wheel, the other end is fixed at one end to the feed box at the free end In a cup-type vending machine including a held agitator plate, the agitator plate forms a step portion from a fixed end toward a free end, and rotation of the agitator wheel causes the agitator wheel to move along the step portion . the agitator plate swings in the vertical direction by the convex portion formed on the side surfaces rotationally moves, the lower portion of the agitator plate, connecting the lower connecting piece to stir the bottom of the said feed box, the lower connection The piece extends toward the screw provided at the bottom of the raw material box, and the powder raw material residue in the raw material box
The periphery of the sold-out detection part that detects the amount can be stirred, and a resin member that prevents the raw material box from being damaged by the contact of the agitator plate is fitted and fixed to the lower connecting piece. Since the formed convex portion moves along the agitator plate, the rotating operation of the wheel directly moves the agitator plate in the vertical direction, so that the raw material can be prevented from solidifying and adhering to the raw material box wall. Also, by connecting the lower connecting piece to the lower part of the agitator plate, the powder raw material below the agitator plate can be agitated, and the powder raw material in the vicinity of the raw material sold-out detection part can be agitated. Therefore, it is possible to accurately detect the remaining amount of the powder and to prevent the powder raw material from running out. Also, by fitting and fixing a resin member to the lower connecting piece connected to the lower part of the agitator plate, the agitator plate can be swung up and down, and the swaying lower connecting piece can be prevented from being damaged by the inside of the powder raw material box. Can do.

  In the invention of claim 2, in the invention of claim 1, the powder raw material above the agitator plate can be stirred at the same time by connecting the upper connecting piece to the upper part of the agitator plate. The powder raw material in the raw material box can be efficiently stirred.

The invention according to claim 3 is the invention according to claim 1, wherein the agitator plate is bent toward the upper side of the raw material box to stir the raw material in the vicinity of the inner wall surface of the powder raw material box. It is possible to prevent sticking in the vicinity of the wall surface.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the stirring power of the powder raw material can be further increased by configuring the agitator plate with a spring member having elasticity. The solidification of the powder raw material can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same reference numerals are given to the same configurations as those of the conventional example or the above-described embodiments, and the detailed description thereof will be omitted. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a side sectional view of a powder raw material box of a cup-type vending machine according to Embodiment 1 of the present invention. FIG. 2 is an external perspective view of the agitator plate of the same embodiment, FIG. (b) And (c) is a state transition diagram of the operation of the agitator plate by the rotation of the convex part at the time of wheel rotation shown in FIG.

  In FIG. 1, one end of an agitator plate 11 is fixed to the powder raw material box, the other end is a free end, and a step portion is formed from the fixed end to the free end. The convex portion 12 is formed so as to partially protrude on both side surfaces of the wheel 6, and pushes the agitator plate 11 upward while contacting the lower portion of the agitator plate 11 when the wheel 6 rotates. Further, the convex portion 12 is formed by shifting the position on the right side surface and the left side surface of the wheel 6, and the right side of the agitator plate 11 is in contact with the convex portion 12 formed on the right side surface of the wheel 6. The left side is in contact with the convex portion 12 formed on the left side surface of the wheel 6, and the right side and the left side of the agitator plate 11 are alternately positioned at the top dead center position as the wheel 6 rotates. .

  About the powder raw material storage box comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, as shown in FIG. 3, the agitator plate 11 of FIG. 3A is at the bottom dead center position, and the convex portion 12 rotates while contacting the lower surface of the agitator plate 11 as the wheel 6 rotates. The free end is pushed upward with the fixed end 11 as a fulcrum, and the agitator plate 11 in FIG. 3B reaches the position of the top dead center.

  When the wheel 6 further rotates and the convex portion 12 reaches the step formed on the agitator plate shown in FIG. 3C, the agitator plate 11 suddenly moves from the top dead center position to the bottom dead center position. To do. When the wheel 6 rotates and the agitator plate 11 maintains the bottom dead center position until the convex portion 12 reaches the position of FIG. 3A again, and the wheel 6 rotates to the position of FIG. The same operation shown in FIGS. 3A to 3C is repeated again.

  In addition, the convex portion 12 formed on the other surface of the wheel 6 causes the agitator plate 11 to move to the position of the top dead center when the wheel 6 rotates from FIG. 3 (c) to FIG. 3 (a). Push up. When the wheel 6 reaches FIG. 3A, the convex portion 12 formed on the other surface reaches the step of the agitator plate 11, and the agitator plate 11 rapidly descends to the bottom dead center.

  Therefore, when one of the right side surface and the left side surface of the agitator plate 11 moves toward the top dead center, the other is at the bottom dead center position.

  As described above, when the agitator plate 11 is fixed at one end and the wheel 6 is rotated with the other end being a free end, the agitator plate 11 is directly lifted upward. Since 11 moves rapidly from the top dead center to the bottom dead center position, a large stirring force can be applied and solidification of the powder raw material in the raw material box can be prevented. Further, the solidification of the raw material attached to the raw material box wall develops and becomes large, and it is possible to prevent a hollow portion from being formed between the raw material discharge port 5 and the raw material from being guided to the raw material discharge port 5.

  Further, since the right side surface and the left side surface of the agitator plate 11 alternately reach the top dead center position, the stirring effect can be obtained evenly in the depth direction of the powder raw material box 1.

(Embodiment 2)
FIG. 4 is a side sectional view of a powder raw material box of a cup-type vending machine according to Embodiment 2 of the present invention, and FIG. 5 is an external perspective view of an agitator plate according to the same embodiment.

  In FIG. 5, the upper connecting piece 13 has a substantially V shape, and the upper connecting piece 13 is connected to the upper portion of the agitator plate 11.

  As described above, in the present embodiment, since the upper front part and the rear part of the powder raw material box can be stirred by the upper connecting piece 13, the inside of the powder raw material box can be efficiently stirred.

(Embodiment 3)
FIG. 6 is a side sectional view of a powder raw material box of a cup-type vending machine according to Embodiment 3 of the present invention, and FIG. 7 is an external perspective view of an agitator plate according to the same embodiment.

  In FIG. 6, the lower connecting piece 14 is connected to the lower portion of the agitator plate 11, and the sold-out detection unit 15 is installed at the bottom of the powder raw material box 1.

  As described above, in the present embodiment, the lower connecting piece 14 extends toward the screw 3 provided at the bottom of the powder raw material box 1, so that the vicinity of the sold-out detection unit 15 can be agitated. The remaining amount of the powder raw material 2 can be accurately detected, and the powder raw material can be prevented from running out.

(Embodiment 4)
FIG. 8 is a rear view of the powder raw material box and the agitator plate according to Embodiment 4 of the present invention, and FIG. 9 is an external perspective view of the agitator plate of the same embodiment.

  In FIG. 8, the resin member 16 is fitted and fixed to the lower connecting piece 14.

  As described above, in the present embodiment, the lower connecting piece 14 swings up and down as the agitator plate 11 swings up and down. However, the resin member 16 is disposed between the lower connecting piece 14 and the powder raw material box 1. 14, the contact with the powder raw material box 1 due to the swinging of the lower connecting piece 14 can be prevented, and the powder raw material box 1 can be prevented from being damaged.

(Embodiment 5)
FIG. 10 is a side sectional view of a powder raw material box of a cup-type vending machine according to Embodiment 5 of the present invention, and FIG. 11 is an external perspective view of an agitator plate according to the same embodiment.

  As described above, in the present embodiment, since the vicinity of the inner wall of the powder raw material box 1 can be stirred by bending the free end of the agitator plate 17 upward of the raw material box, Can be evenly stirred, and the powder raw material in the vicinity of the inner wall surface of the powder raw material box 1 can be prevented from sticking.

(Embodiment 6)
In the present embodiment, the agitator plate 11, the upper connecting piece 13, the lower connecting piece 14, and the agitator plate 17 are formed of leaf spring members, and obtain a larger stirring force when swinging due to the elastic force of the leaf springs. Thus, solidification of the powder raw material can be further prevented.

  As described above, since the powder raw material box according to the present invention can stir the powder raw material with a large stirring force, the powder can be discharged without retention of the stored raw material in the powder raw material box, and the stored raw material can be solidified. Can be prevented.

Side surface sectional view of the powder raw material box of the cup type vending machine according to Embodiment 1 of the present invention. External perspective view of the agitator plate of the same embodiment (A) State transition diagram of operation of agitator plate due to rotation of convex portion during rotation of wheel of same embodiment (b) State of operation of agitator plate due to rotation of convex portion at the time of wheel rotation of same embodiment Transition diagram (c) Transition diagram of the operation of the agitator plate due to the rotation of the convex part during wheel rotation of the embodiment Side surface sectional view of the powder raw material box of the cup-type vending machine in Embodiment 2 of the present invention External perspective view of the agitator plate of the same embodiment Side surface sectional view of the powder raw material box of the cup type vending machine in Embodiment 3 of the present invention External perspective view of the agitator plate of the same embodiment Rear view of powder raw material box and agitator plate in Embodiment 4 of the present invention External perspective view of the agitator plate of the same embodiment Side surface sectional view of the powder raw material box of the cup-type vending machine in Embodiment 5 of the present invention External perspective view of the agitator plate of the same embodiment Side sectional view of a conventional powder raw material box

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Agitator plate 12 Convex part 13 Upper connection piece 14 Lower connection piece 15 Sold out detection part 16 Resin member 17 Agitator plate

Claims (4)

A cup provided with a screw that feeds powder raw material, an agitator wheel that rotates in mesh with the screw, and an agitator plate that is positioned at the top of the agitator wheel and that has one end fixed to the raw material box and the other end held at the free end In the vending machine, the agitator plate forms a step portion from a fixed end toward a free end, and the protrusion formed on the side surface of the agitator wheel rotates along the step portion by the rotation of the agitator wheel. The agitator plate swings in the vertical direction, and a lower connecting piece for stirring the lower part in the raw material box is connected to the lower part of the agitator plate, and the lower connecting piece is a screw provided at the bottom of the raw material box The area around the sold-out detection unit that detects the remaining amount of powdered raw material in the raw material box can be stirred, and the Cup type automatic vending machine, characterized in that the resin member for preventing damage of the raw material box by contact Tapureto were fitted and fixed to the lower connection piece.   An upper connecting piece for stirring the upper part of the raw material box is connected to the upper part of the agitator plate, and the upper connecting piece is formed in a substantially V shape so that the upper front and rear of the raw material box can be stirred. The cup type vending machine according to claim 1.   2. The cup type vending machine according to claim 1, wherein a free end side of the agitator plate is bent upward of the raw material box. The cup type vending machine according to any one of claims 1 to 3 , wherein the agitator plate is formed of a leaf spring member having elasticity.

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