JPH07121767A - Raw material discharging device of automatic vending machine - Google Patents

Abstract

PURPOSE:To provide the raw material discharging device which can reduce deterioration of the raw material stored in a raw material tank. CONSTITUTION:A screw 2 is supported freely slidably between a position close to the discharge opening 7 of the raw material tank l and a position distant from it, and a shutter member 8 which opens and closes the discharge opening 7 associatively with the slide movement of the screw 2 is fitted atop of the screw 2; and the discharge opening 7 can be opened and closed with the shutter member 8 associatively with the movement of the screw 2, thereby preventing the raw material stored in the raw material tank from deteriorating.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a raw material dispenser for cutting a raw material from a raw material tank with a screw in an automatic vending machine.

[0002]

2. Description of the Related Art In a cup type vending machine, beverages are sold by cutting the raw material stored in a raw material tank with a screw and cooking the cut raw material.

[0003]

Since the outlet of the raw material tank is open even while waiting for sale, there is a problem that the raw material is easily oxidized and deteriorated.

An object of the present invention is to provide a raw material dispenser capable of reducing deterioration of raw material during storage in a raw material tank.

[0005]

According to a first aspect of the present invention, there is provided a raw material dispenser which is provided with a shutter rotatably supported by a raw material tank and biased by an elastic body in a direction to close the dispense outlet. The shutter is opened against the bias by the raw material extruded by.

According to a second aspect of the present invention, there is provided a raw material discharging device according to the first aspect, further comprising a drive source that moves the shutter in the opening direction against the bias of the elastic body, and the drive source is interlocked with the operation of the screw. It is characterized by driving.

In the raw material discharging device according to a third aspect of the present invention, the screw is slidably supported at a position approaching the discharging port and a position separating from the discharging port, and the tip of the screw is interlocked with the sliding movement of the screw. It is characterized in that a shutter member for opening and closing the outlet is attached.

[0008]

According to the structure of the first aspect, the outlet is closed by the shutter urged by the elastic member until the screw pushes out the raw material. When the screw pushes out the raw material, the shutter rotates in the opening direction against the bias of the elastic body, and the raw material is dispensed from the gap between the shutter and the dispensing port. According to the structure of claim 2, in claim 1, when the screw is operated, the drive source is forcibly driven in the opening direction of the shutter to fully open the outlet. When the drive source is turned off when the operation of the screw is finished, the shutter moves in the direction to close the payout opening by the biasing of the elastic body, and the payout opening is surely closed.

According to the third aspect of the invention, when the screw is in the retracted position away from the outlet, the shutter member attached to the tip of the screw closes the outlet. In a state where the screw is in the forward position close to the outlet, the shutter member attached to the tip of the screw opens the outlet, and the raw material cut out in this state is delivered.

[0010]

Embodiments of the present invention will be described below with reference to FIGS. 1 and 2 show a first embodiment. At the bottom of the raw material tank 1, a screw 2 is movably supported at a retracted position shown by a solid line and an advanced position shown by a wavy line. The motor 4 connected to the drive shaft 3 of the screw 2 is attached to the operating shaft 6 of the cylinder 5 and is pushed out to the forward position indicated by the phantom line when the raw material is discharged. The outer diameter of the tip of the screw 2 is larger than that of the cylindrical outlet 7.
A shutter member 8 made of rubber having a diameter larger than the inner diameter of is attached.

With this configuration, the screw 2 is in the retracted position shown by the solid line during the standby for sale, and the shutter member 8 is drawn inside the payout opening 7 and elastically deformed. In this state, the outer peripheral portion of the shutter member 8 is in close contact with the inner periphery of the outlet 7, and the outlet 7 is closed, so that deterioration of the raw material stored in the raw material tank 1 can be prevented. At the time of discharging the raw material, the operating shaft 6 of the cylinder 5 moves forward, the motor 4 moves forward, the screw 2 moves forward, and the shutter member 8 is pushed out from the discharging outlet 7 to open the discharging outlet 7. When the motor 4 is operated in this state, the raw material cut out by the screw 2 is discharged from the discharge outlet 7.

In the first embodiment, the shutter member 8
Is opened and closed by the movement of the screw 2 into a state in which the screw 2 is drawn into the inside of the payout opening 7 and a state in which it is pushed out of the payout opening 7, but the shutter member 8 is opened and closed by the movement of the screw 2. The same effect can be expected even if the position is changed to a state where the outer periphery of the payout opening 7 is contacted and closed and a state where it is separated from the outer periphery of the payout opening 7 and opened.

3 and 4 show a second embodiment. In this embodiment, a rotary solenoid 9 is attached at a position near the payout opening 7.
A shutter 11 is attached to the output shaft 10 of.

With such a configuration, when the screw 2 is operated, the rotary solenoid 9 is excited to rotate the shutter 11 to the imaginary line position shown in FIG. Are paid out from this payout exit 7. When the cutting of the raw material is completed and the excitation of the rotary solenoid 9 is stopped, the shutter 11 returns to the solid line position shown in FIGS. 3 and 4, and the outlet 7 is closed by the shutter 11 and stored in the raw material tank 1. The deterioration of raw materials can be prevented.

5 and 6 show a third embodiment. In this embodiment, a shutter 11 pivotally supported by the raw material tank 1 by a shaft 12 is attached to a position near the outlet 7.
Reference numeral 13 is a spring for urging the shutter 11 in a direction of pressing it against the payout opening 7.

With this configuration, during the sales standby time when the screw 2 is not operating, the shutter 11 is urged by the spring 13 to close the outlet 7, and the raw material stored in the raw material tank 1 is deteriorated. Can be prevented. When the screw 2 is operated, the raw material pushed out toward the outlet 7 by the screw 2 comes into contact with the shutter 11, and the shutter 1
By rotating 1 to the imaginary line position shown in FIG. 5 against the bias of the spring 13, the dispensing outlet 7 is opened, and the raw material is dispensed from this dispensing outlet 7.

FIG. 7 shows a fourth embodiment. In this embodiment, the shutter 1 is pivotally supported on the raw material tank 1 by a shaft 12.
1 is attached in the vicinity of the payout opening 7. Although not shown, the shutter 11 is urged by the spring 13 in the direction to be pressed against the payout opening 7 as in the third embodiment. 14 is a shutter 11 against the bias of the spring 13.
Is a solenoid that opens.

With this construction, during the sales standby time when the screw 2 is not operating, the shutter 11 is urged by the spring 13 to close the outlet 7, and the raw material stored in the raw material tank 1 is deteriorated. Can be prevented. When the screw 2 is operated, the solenoid 14 is excited to release the shutter 11
Is rotated to an imaginary line position shown in FIG. 7, the outlet 7 is opened, and the raw material is discharged from the outlet 7. The rotary solenoid 9
When the excitation is stopped, the shutter 11 returns to the position shown by the solid line in FIG. 7, the outlet 7 is closed by the shutter 11, and deterioration of the raw material stored in the raw material tank 1 can be prevented.

[0019]

According to the first aspect of the invention, since the shutter is biased by the elastic body in the direction of closing the outlet, when the screw pushes out the raw material, the shutter is opened in the opening direction against the bias of the elastic body. The raw material is stored in the raw material tank until it is rotated and the raw material is dispensed from the gap between the shutter and the dispensing outlet, and the dispensing outlet is closed by the shutter urged by the elastic body until the screw pushes out the raw material. Can be prevented from deteriorating.

According to the second aspect of the present invention, in the first aspect, when the screw is operated, the raw material stored in the raw material tank is forcibly driven by the drive source in the opening direction of the screw to fully open the outlet. Can be prevented and the amount of raw material dispensed can be made constant.

According to the third aspect of the invention, since the shutter member is attached to the tip of the screw slidably supported at the position approaching and the position away from the outlet, the outlet is interlocked with the movement of the screw 2. 7 can be opened and closed by a shutter member, and deterioration of the raw material stored in the raw material tank can be prevented.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of a first embodiment.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a partially cutaway side view of the second embodiment.

FIG. 4 is a front view of the embodiment.

FIG. 5 is a partially cutaway side view of the third embodiment.

FIG. 6 is a plan view of the same embodiment.

FIG. 7 is a partially cutaway side view of the fourth embodiment.

[Explanation of symbols]

 1 Raw Material Tank 2 Screw 5 Cylinder [Drive Source] 7 Discharge Port 8 Shutter Member 9 Rotary Solenoid 11 Shutter 13 Spring [Elastic Body] 14 Solenoid

Claims (3)

[Claims] 1. A raw material dispensing device that cuts out raw material from a raw material tank with a screw and dispenses it from an outlet, and is a shutter rotatably supported by the raw material tank and biased by an elastic body in a direction to close the outlet. And a raw material dispenser for a vending machine configured to open the shutter against the bias by the raw material pushed out by a screw. 2. A material dispenser for a vending machine according to claim 1, wherein a drive source for moving the shutter in the opening direction is provided against the bias of the elastic body, and the drive source is operated in association with the operation of the screw. apparatus. 3. A raw material discharging device for cutting raw material in a raw material tank with a screw and discharging the raw material from a discharging outlet, wherein the screw is slidably supported at a position approaching the discharging outlet and a position separating from the discharging outlet, and is attached to a tip of the screw. Is a material dispenser for a vending machine equipped with a shutter member that opens and closes an outlet in conjunction with the sliding movement of the screw.