JP3213532B2 - Vending machine product delivery device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a merchandise dispensing apparatus for a vending machine that sells merchandise such as paper packs.

[0002]

2. Description of the Related Art Conventionally, as this kind of commodity dispensing apparatus, for example, one described in Japanese Patent Application Laid-Open No. 5-108942 is known. In this product dispensing device, the drive motor and the gear box are unitized, and the gear box is fixed to the top plate of the device housing portion with the drive motor on the lower side. The output shaft protrudes downward from the gear box, and the lower end of the output shaft is connected to an operating shaft for operating a dispensing mechanism via a coupling. At the upper part of the operating shaft, two upper and lower cams are attached below the coupling, and two upper and lower switches are arranged so as to face the cams. These two switches are
The operation of the dispensing mechanism is controlled, and the operation mechanism is fixed to a support plate to which a bearing of an operation shaft is attached.

[0003]

In such a conventional product dispensing apparatus, since the drive motor is disposed below the gear box, lubricating oil in the gear box enters the drive motor, resulting in poor contact. Was likely to occur. Further, since the gearbox (drive motor) is fixed to the top plate and the switch is fixed to the support plate, there is a problem that it is difficult to accurately position the switch with respect to the cam. In addition, since the cam itself is attached to the operating shaft via the coupling instead of the output shaft, the difference between the rotation of the output shaft and the phase of the cam is more likely to occur.
That is, it is difficult to operate the dispensing mechanism with high accuracy.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and can prevent lubricating oil from entering a drive motor, and can accurately adjust a cam and a switch with respect to an output shaft. It is an object of the present invention to provide a vending machine product dispensing device that can be arranged well.

[0005]

Means for Solving the Problems] article dispensing device according to claim 1, operating a drive motor, a gear box which is connected to the output side of the driving motor, extending Beauty from the gear box, the dispensing mechanism
An output shaft having an operating shaft connected to a lower end thereof , a cam provided on the output shaft, and an operation of the dispensing mechanism.
A vending machine having a switch driven by a cam, a vending machine having a drive motor disposed on an upper side of a gear box, and an output shaft extending through the gear box and extending above the gear box. A cam is provided on the extension of the output shaft.

According to this configuration, since the drive motor is disposed above the gear box, lubricating oil in the gear box does not enter the drive motor. Also,
Since the output shaft extends through the gear box and extends above it, and a cam is provided on the extension of the output shaft, the cam can be directly connected to the output shaft without causing rotation of the output shaft itself. Can be fixed. Therefore, the rotation phase of the output shaft and the rotation phase of the cam can be made exactly the same.

[0007] Further, in the commodity dispensing apparatus of claim 1,
Preferably, the drive motor, the gearbox and the switch are fixed on a single support member.

[0008] According to this configuration, the mounting accuracy of the support member does not affect the positioning accuracy of the drive motor, the gear box and the switch, and the mutual positioning can be performed directly. .

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vending machine according to a preferred embodiment of the present invention;

FIG. 1 is a perspective view of one product rack in a vending machine for selling products such as paper packs. As shown in FIG. 1, the product rack 1 is of a type that is pulled out from a product storage (not shown) when loading a product, and has a well-known drawer mechanism 2 at an upper portion thereof. Inside the product rack 1, four product columns 3,
3,3,3 are made. The four product columns 3, 3, 3, 3 are each composed of a pair of product columns 3a, 3a, 3b, 3b adjacent to each other with partition walls 4, 4 therebetween. The dispensing operation is performed by the common commodity dispensing device 5 housed in the partition wall 4.

FIG. 2 shows the above-mentioned partition 4, and the partition 4 has a two-part structure in which left and right casings 4a and 4b are combined. Each casing 4a, 4b is
2, a front plate 13, a back plate 14, and a top plate 15. In this case, the product dispensing device 5 is connected to one of the casings 4.
b, and then the other casing 4a is assembled and screwed, so that the whole can be assembled.

The commodity dispensing device 5 is responsible for the pair of left and right commodity columns 3, 3, and includes a drive section 6 and a dispensing mechanism section 7.
It is composed of The payout mechanism unit 7 includes a pair of left and right upper weir plates 21 that hold the next sale product when the product is paid out,
A pair of left and right lower weir plates 22 for holding the sale merchandise (only one is shown in the drawing), a receiving plate 23 for supporting the lower weir plate 22 from below, and a predetermined timing for the upper weir plate 21 and the receiving plate 23 And an actuating shaft 24 operated by the above. The actuating shaft 24 is connected to the drive unit 6.

The receiving plate 23 is formed in the shape of a fan.
I support. The receiving plate 23 is turned to the one product column 3 side in accordance with the sales command, detaches from the lower weir plate 22 projecting to the other product column 3, and the lower weir plate 22 falls down to pay the goods. put out. The upper weir plate 21 is operated by a cam (not shown) provided on the operating shaft 24, protrudes into the product column 3 immediately before the lower weir plate 22 falls down, and holds the next sale product so as not to fall. Reference numeral 25 in the figure denotes an operator for adjusting the height of the upper dam 21 in accordance with the product.

FIG. 3 and FIG. 4 show the drive unit 6 of the commodity delivery device 5. The drive unit 6 includes a drive motor 31 and a gear box 32 connected to an output side of the drive motor 31.
An output shaft 33 extending from the gear box 32 and having a lower end connected to the operating shaft 24 of the dispensing mechanism 7; two plate cams 34 provided on the output shaft 33; And two detection switches 35, 35. The output shaft 33 and the operating shaft 24 are connected by a coupling 36, and the upper portion of the operating shaft 24 is
a, support plate 3 passed between front plate 13 and back plate 14 of 4b
7 is supported via a bearing 38. Further, the drive motor 31, the gear box 32 and the detection switches 35, 3
5 is fixed to a single support frame 39 extending between the front plate 13 and the back plate 14.

In this case, the gear box 32 is
The drive motor 31 and the detection switch 35 are disposed above the support frame 39. Accordingly, the wiring of the harness (not shown) connected to the drive motor 31 and the detection switch 35 is in one direction in the upper direction, and the wiring of the harness penetrating through the support frame 39 can be avoided.

The gear box 32 is composed of a box body and a reduction gear train (not shown) built therein. The drive motor 31 is connected to the input side, and the output shaft 33 is connected to the output side. The output shaft 33 extends upward through the gear box 32, and two plate cams 34, 34, whose phases are shifted, are fixed to the extension portion 33a. Two detection switches 35, 35 are provided so as to face the two plate cams 34, 34. The detection switch 35 is configured by a micro switch or the like, and the upper detection switch 35 is for operating the dispensing mechanism 7, and the lower detection switch 35 is for standby of the dispensing mechanism 7. The left and right operation control of the payout mechanism 7 is controlled by a control device (not shown) connected to the detection switch 35.

As described above, according to the present embodiment, since the drive motor 31 is disposed above the gear box 32, lubricating oil does not enter the drive motor 31.
Failure of the drive motor 31 due to lubricating oil can be prevented. In addition, since the drive motor 31, the gear box 32 and the detection switch 35 are fixed to the single support plate 39 and the plate cam 34 is provided on the extension 33a of the output shaft 33, the mounting accuracy of the support plate 39 ( Dimensional tolerance)
However, it does not affect the positioning accuracy between these components. Therefore, the mutual positioning can be directly and accurately performed, and the malfunction of the dispensing mechanism 7 can be prevented.

[0018]

As described above, according to the commodity dispensing device for a vending machine according to the present invention, it is possible to prevent the lubricating oil from entering the drive motor and to precisely control the cam and the switch with respect to the output shaft. Since they can be arranged, failures and mistakes in paying out products can be minimized.

[Brief description of the drawings]

FIG. 1 is a perspective view of a merchandise rack of a vending machine to which a merchandise payout device according to an embodiment of the present invention is applied.

FIG. 2 is a perspective view of a partition wall on which the product payout device according to the embodiment is mounted.

FIG. 3 is a front view of the commodity delivery device according to the embodiment.

FIG. 4 is a perspective view of the commodity delivery device according to the embodiment.

[Explanation of symbols]

 1 Commodity rack 3 Commodity column 4 Partition wall 5 Commodity dispensing device 6 Drive unit 7 Dispensing mechanism unit 24 Operating shaft 31 Drive motor 32 Gear box 33 Output shaft 33a Extension unit 34 Plate cam 35 Detection switch 39 Support frame

Claims (2)

(57) [Claims] 1. A drive motor, a gear box connected to an output side of the drive motor, and a gear box extending from the gear box.
And the operating shaft for operating the dispensing mechanism is connected to the lower end
An output shaft, and a cam provided on the output shaft, the
Driven by the cam to control the operation of the dispensing mechanism
A dispensing device for a vending machine, comprising: a switch for driving the motor; disposing the drive motor above the gear box; extending the output shaft through the gear box to extend above the gear box; A product dispensing device for a vending machine, wherein the cam is provided on an extended portion of a shaft. 2. The vending machine according to claim 1, wherein the drive motor, the gear box, and the switch are fixed to a single support member.