JPS5819669Y2 - Vending machine product shelf attachment/detachment mechanism - Google Patents

Description

[Detailed description of the invention] The present invention relates to a product shelf attaching/detaching mechanism for a vending machine, and in particular, a product shelf attaching/detaching mechanism for a vending machine that makes it extremely easy to attach and detach the product shelf in a chain elevator type product storage/unloading device. It provides:

Among the conventionally known chain elevator type product storage/unloading devices, there is one in which the storage capacity is increased by changing the installation interval of product shelves according to the size of the stored products, especially the height of the products. .

Specifically, sprockets are provided at both ends of a pair of shafts that are spaced apart in the vertical direction, and a chain is passed in a loop shape between the two pairs above and below the sprockets.
Two types of pins, long and short, are provided so as to protrude from opposite sides of the set of chains, and a product shelf is fitted to and suspended from the pins, and one of the shafts is driven to rotate. The product placed on the product shelf is moved to a predetermined position.

The above product shelf is placed between the two loop-shaped chains mentioned above.The product shelf is installed by fitting one side of the product shelf to a long pin, then fitting the other side to a short pin, and then attaching the product shelf to a long pin. A removable spring plate is gripped to the pin in the gap between one end of the bottle and the chain on the long bottle side to prevent it from being pulled out.

This restricts the horizontal movement of product shelves,
This prevents the product shelf from coming off the pins.

It is also possible to use screws, R-shaped pins, E-rings, etc. instead of the spring plate.

In the above-mentioned product shelf attachment/detachment mechanism, the product shelf is removed by removing the spring plate or the screw stopper.

This operation is performed on a large number of product shelves by changing the distance between the product shelves and then attaching them.

Therefore, in the conventional type, the operation of attaching and detaching the product shelf is complicated, the number of parts increases, and two types of chains with different pin lengths are required.

Therefore, the present invention provides a mechanism for attaching and detaching a shelf, which facilitates the operation of attaching and detaching a shelf, reduces the number of parts, and has a simple structure.

An embodiment of the present invention will be described below with reference to the drawings. Figs. 1 and 2 show a right side view and a front view of a chain elevator one-type product storage/unloading device according to the present invention.
2 is the main body of a chain elevator one-type product storage/unloading device that is installed in parallel in the storage of a vending machine, 2 is a product transport unit that moves the products in the vertical direction, and 3 is the lowest position transported by the product transport unit 2. 4 is a product transport unit 2 that moves the products forward and supplies them to a product takeout port (not shown);
and a drive section in which drive motors 5 and 6 for driving the product delivery section 3 are arranged.

The product conveyance section 2 has a guide plate 9 fixed between a front frame T and a rear frame 8 extending in the vertical direction, and a shaft 12 having sprockets No. 11 at both ends attached to the upper part of the guide plate 9.
．． A shaft 15 is rotatably supported between the upper and lower shafts 12. Loop-shaped chain 16.
17 and the chains 16 and 17 respectively.
A plurality of horizontal product shelves 18 are installed between them.

The product shelf 18 has locking portions 18a attached to a plurality of pins 16a and 17a that protrude inward from a pair of front and rear chains 16 and 17, respectively.

The locking holes 18b and 18b formed in the hole 18a are engaged with each other.

As a result, the product shelf 18 has locking portions 18a that protrude rearward at both ends of the abbreviated cross-section.

18a is placed in the grooves 9a, 9a provided at both ends of the guide plate 9, and by driving the shaft 15, the chains 16, 17 located in the grooves 9a, 9a are driven downward, and the product shelf 1 is
8 downward.

At this time, the back portion 18c of the product shelf 18 is brought into sliding contact with the guide plate 9, and the product 19 is placed on the placement portion 18d at the bottom.

The front and rear frames 7.8 have grooves 9a, which cover only the chain 16.17, so as to guide the chain 16.17 in the front and rear and lateral sides thereof, and to hold it in a straight line. Guide portions 7a and 8a are formed so as to close 9a.

A notch 7b is provided in the guide portion 7a of the front frame 7, and a cover 20 that closes the notch 7b is removably fixed from the front with screws 21.

The product transport section 2 is provided with a guide plate 22 for guiding the product 19 on the back facing the adjacent guide plate 9 and product shelf 18 of the product storage/unloading device 1 arranged in parallel.

In the product carrying out section 3, a horizontal product rail 23 is provided in the front and back direction opposite to the lowest product shelf 18, and the product rail 23
A push-out member 24 that moves from the rear to the front is provided on the upper surface.

The push-out member 24 has its lower end pivoted forward and backward below the product rail 23 so that the plurality of products 19 placed on the product rail 23 are advanced to a predetermined position and the products 19 are sequentially carried out one by one. sprockets of shafts 25 and 26)
It is connected to a loop-shaped chain 29 attached to 27 and 28.

The chain 29 is provided with two push-out members such that when one push-out member 24 is driven to the forefront, the other push-out member 24 is located near the rearmost portion.

The drive unit 4 includes a drive motor 5 equipped with a sprocket 30Vc chain 31 mounted on a shaft 15 at the bottom of the product transport section 2, and a chain 33 mounted on a sprocket 32 mounted on a shaft 25 in front of the product delivery section 3. A suspended drive motor 6 is provided.

In addition, 34 is a sold-out detection lever that is biased to protrude from the upper part of the product delivery section 3 and moves by the product 19 to detect the presence or absence of the product 19, and 35 is a sold-out detection switch that is interlocked with the sold-out detection lever 34 (Fig. (not shown) and sprocket 30, chain 3 and any cover.

The product storage and carry-out device 1 places a plurality of products 19 in the front and back direction on each of a large number of product shelves 18 between a guide plate 9 and a guide plate 22 of an adjacent product storage and carry-out device, Chain 16 by driving 15
．． 17 is driven downward to transport the products 19 on the product shelf 18 downward.

At this time, the guide plate 9 guides the back part 18c of the product shelf 18, and the front and rear frames 1 and 80 are guided by the chains 16 and 17. a, 8a to keep the placing section 18d substantially horizontal, and the guide plate 22 on the back side of the adjacent product storage/unloading device 1 guides one side of the product 19.

In this way, when the product 19 on the product shelf 18 at the lowest position is placed on the product rail 23, the drive motor 5 is stopped and placed in a sales standby state, and at the time of sale, the drive motor 6 is driven to connect the chain 33 and the shaft. By driving the chain 29 via the chain 25 and moving the pushing member 24 forward, all of the plurality of products 19 on the product rail 23 are moved forward.

At this time, the products 19 are carried out one by one by moving the push-out member 24 by a predetermined amount.

When the products 19 on the product rail 23 are sold out, the upper product shelf 18 is lowered to a predetermined position, and a plurality of products 19 are placed on the product rail 23 to stand by for product sales.

As described above, the product storage/unloading device 1 sells the products 19, but when selling products 19 of different sizes, the intervals between the product shelves 18 are adjusted according to the sizes of the products 19. In addition to maximizing the use of space, the guide plate 22 of the adjacent product storage and carry-out device 1 is moved as necessary to adjust the distance between the product shelf 18 and the product shelf 18.

As shown in FIGS. 3 and 4, the attachment/detachment mechanism for the product shelf 18 of the present invention is as follows: First, loosen the screws 21, remove the cover 20, and then pull the chain 16 forward as shown by the arrow in FIG. , the interval between the chains 16 and 17 is widened, thereby removing the pin 16a from the locking hole 18b of the product shelf 18, and then removing the pin 17a to remove the product shelf 18.

When changing the distance between the product shelves 18, the product shelves 18 to be changed are opposed to the notches 7a of the front frame 7, and then removed in the manner described above, and the chain 1 in a predetermined position is removed.
6, 17 pins 16a.

The product shelf 18 is attached by fitting the locking hole 18b of the product shelf 18 into the product shelf 17a.

At this time, the product shelves 18 are driven by arbitrarily driving the drive motor 5 using a manual switch (not shown) or the like to sequentially move the upper product shelves 18 to face the notches 7a.

Note that the horizontal display line 36 on the guide plate 9 shown in FIG.
indicates the distance between the product shelves 18 and the product shelf 1
8 to be installed horizontally.

The above-mentioned attachment/detachment mechanism for the product shelf 18 allows the product shelf 18 to be attached and detached very easily by operating the cover 20 and the chain 16 in front of the product storage/unloading device 1. This is possible with the product storage and carry-out device 1 fixed in place (1), making attachment and detachment operations extremely easy.

As described above, according to the present invention, it is possible to attach and detach the product shelf 18 without removing the product storage and carry-out device main body 1 from the storage room as in the conventional case, and the attachment and detachment operation is extremely easy and the structure is simple. , the front and rear chains for suspending the product shelf 18 can be made of the same structure, thereby reducing the number of parts and providing an inexpensive product shelf attaching/detaching mechanism for a vending machine.

Regarding the notch 7b provided in the front frame 7, an opening may be provided in the front surface of the front frame 7 to bend the chain 16 and widen the gap between the chains 16 and 17 to attach and detach the product shelf 18. Of course, the present invention may include various design changes.

[Brief explanation of drawings]

Fig. 1 is a right side view showing the product storage/unloading device of the present invention, Fig. 2 is a front view similar to Fig. 1, and Figs.
FIG. 5a is a partially cutaway enlarged view showing the main parts of the present invention, and FIG. 5a is a front view of the product shelf, and the same is a sectional view. 1...Product storage/unloading device main body, 7...Front frame,
7b...notch, 16.17...chain, 16a
. 17a... Pin, 18... Product shelf, 18b... Locking hole, 20... Bag.

Claims (1)

[Scope of utility model registration request] Loop-shaped chains are installed at the front and rear of the two upper and lower axes, multiple product shelves are suspended between the front and rear chains, and the products placed on the product shelves are transported downward by driving the chains downward. In the vending machine, front and rear frames are provided to support the two shafts, and pins protruding inward are provided on the front and rear chains, and the product shelf is fitted into the engaging holes drilled in the pins. The chain guide part of the front frame is provided with a notch for bending the front chain in the direction of widening the distance between the front and rear chains, and a removable cover is provided in the notch. A mechanism for attaching and detaching product shelves for vending machines.