JPH01284996A - Commodity carrying-out mechanism for automatic vending machine - Google Patents

Abstract

PURPOSE:To simplify structure and to reduce cost by providing an engaging part, which switches a slide member and a fall preventing member to an engaging condition and an engagement canceling condition, to the fall preventing member of a receiving shelf. CONSTITUTION:When a prescribed commodity S is selected, a loading stand 3 is moved to a receiving shelf 2, on which there is the selected commodity S, by the regular revolution drive of a second electric motor. An abutting piece 14, which is fit to the loading stand 3 through an arm 16 for repetition, is abutted and operated to a roller 13, which is added to the tip of a pivotally supporting shaft 8, and the central supporting shaft 8 is moved backword against the energizing force of a spring 9. Then, engagement between a fall preventing member 7 and a fixed frame 10 is released. After the commodity S is sent on the loading stand 3, the fall preventing member 17 is returned to a fall preventing position, where the fall of the commodity S is prevented by the energizing force of a spring 15, and the pivotally supporting shaft 8 is returned in a lifting route side by the energizing force of the spring 9. Then, the fall preventing member and pivotally supporting shaft 8 go to the engaging condition and the fall preventing member is fixed in a commodity fall blocking attitude.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a plurality of upper and lower storage shelves equipped with a cross-feeding mechanism for cross-feeding a plurality of products, and products that are selectively fed from these storage shelves. A drive mechanism is provided for vertically raising and lowering a mounting table on which a product is placed, and a fall prevention member is provided on the storage shelf to prevent the product from falling from the storage shelf, and the fall prevention member is interlocked with the lifting and lowering of the storage shelf. This invention relates to a product discharging mechanism of a vending machine, which is provided with a fixing mechanism that can switch freely between a state in which a member is fixed in a posture to prevent products from falling and a fixing release state in which the product on the storage shelf is allowed to be moved sideways to the mounting table. .

[Conventional technology]

Conventionally, as shown in FIG. 7, the above-mentioned fixing mechanism is composed of a slide member (8) that moves toward the backward side by contact with the cam plate (3A) of the mounting table (3), and this slide member (
8) to return to the lifting path side of the mounting table (3), and a fall prevention member (7) that prevents the product (S) from falling from the storage shelf (2). A swingable actuating arm (20) that engages and fixes the actuating arm (20) in a posture, and a spring (not shown) that swings and biases the actuating arm (20) toward the side where it engages with the fall prevention member are mounted on the storage shelf. (2
) side, the slide member (8) is moved to the backward side by contact with the cam plate (3A) of the mounting base (3), and the free end side of this slide member (8) is connected to the actuating arm (20). At this time, the actuating arm (20) is swung toward the side that releases the engagement with the fall prevention member (7) against the biasing force of the spring, and the fall prevention member (7) is moved. Product (S)
It was configured to switch to a state that allows horizontal feeding of the paper to the mounting table (3) side.

[Problem to be solved by the invention]

According to the above conventional configuration, the cam plate (3^) of the mounting table (3)
In addition to the slide member (8) operated by contact with the slide member (8) and the spring (9) therefor, there is also a fall prevention member (7).
Since an actuating arm (20) that engages with the actuating arm (20) and a spring for the actuating arm (20) are required, the number of parts not only increases and the structure becomes complicated (which also leads to an increase in cost).

The purpose of the present invention is to reduce the number of parts.
The purpose is to avoid the above-mentioned inconvenience.

[Means to solve the problem]

In the product discharging mechanism of the vending machine according to the present invention, the fixing mechanism includes a slide member that moves to the backward side by contact with the placement table, and a slide member that returns to the vertical path side of the placement table. A biasing mechanism for biasing is provided on the storage shelf side, and the slide member is brought into engagement with the slide member when the slide member returns to the vertical path side, and the slide member is brought into contact with the mounting base. The fall prevention member is characterized in that the fall prevention member is provided with an engagement portion that is released from the engagement state when the fall prevention member moves toward the rearward side, and the effects and effects thereof are as follows.

[For production]

When a predetermined product is selected by the purchaser, the mounting table is moved up and down to the storage shelf of the selected product based on this selection signal. At this time, by coming into contact with a slide member provided on a predetermined storage shelf side, the slide member is moved to the backward side, and as a result of this movement, the engagement state between the slide member and the fall prevention member is released, The product on the storage shelf is now in a state where it is allowed to be moved laterally to the mounting table side. After a predetermined product is delivered to the loading table, the loading table is moved up and down toward the product discharge exit side to discharge the product. After the predetermined product is placed on the table, when the table is moved up and down and the slide member is released from contact with the slide member, the slide member is moved toward the lifting path of the table by the biasing mechanism. The slide member and fall prevention member are brought into engagement with each other by the biasing force, and the fall prevention member is fixed in the product fall prevention posture.

〔Effect of the invention〕

Therefore, by providing the fall prevention member with an engaging portion for switching the slide member and the fall prevention member between the engaged state and the disengaged state, the gap between the slide member and the fall prevention member can be improved. It is possible to eliminate the need for a necessary operating arm and a subring therefor, thereby simplifying the structure and reducing costs by reducing the number of parts.

〔Example〕

Figure 4 shows an IJJ that sells products (S) such as cans and bottles.
A vending machine is shown. Inside this vending machine, there is a belt conveyor type storage shelf (2) equipped with a first electric motor (1) as a cross-feeding mechanism for cross-feeding multiple products (S).
are provided in multiple upper and lower stages, and a mounting table (3) on which products (S) selectively sent out from these storages 1111 (2) are placed.
A drive mechanism (4) is provided for vertically raising and lowering.

The mounting table (3) is locked to an endless chain (5),
The endless chain (5) is interlocked with the second electric motor (4) as the drive mechanism, and the mounting table (3) can be raised and lowered by forward and reverse rotation of the electric motor (4). is a first operation means for positioning the mounting table (3) on a selected predetermined storage shelf (2); After the product (S) is sent out, this product (S)
a second operating means for raising and lowering the placing table (3) to the product discharge port (6) in the vertical center; , a third stage for raising and lowering the mounting table (3) to a predetermined standby position.
The operation of the electric motor (1) is controlled by an operating means.

As shown in Figures 1 to 3, there is a fall prevention member (7) on the storage shelf (2) that prevents the product (S) from falling therefrom.
, and a state in which the drop prevention member (7) is fixed in a product fall prevention posture in conjunction with the lifting and lowering of the placement table (3), and a placement table (3) for the product (S) on the storage shelf (2). Fixing mechanism (8) that can be switched freely between the fixing release state and the fixing release state that allows horizontal movement to the side.
is provided.

The fixing mechanism (A) includes a slide member (8) that moves toward the retreat side upon contact with the mounting table (3), and a slide member (8) that returns to the vertical path side of the mounting table (3). A spring (9) serving as a biasing mechanism is provided on the storage shelf (2) side, and is engaged with the slide member (8) when the slide member (8) returns to the vertical path side. and the engagement portion (7A), which is released from the engagement state when the slide member (8) moves backward due to contact with the placement table (3), is attached to the fall prevention member (7). Prepared and configured.

The slide member (8) is pivotally connected to a pair of fixed frames (10), (10) of the storage shelf (2), and has a product delivery end provided with a roller (11) for guiding rotation of the heald. It consists of a pivot shaft located on the side, and the fall prevention member (7) is swingably attached to this pivot shaft (8).

The engaging portion (7A) is connected to the pair of fixed frames (10
), (10), an engaging piece (12) protruding from one of
) of the fall prevention member (7), and includes a recess formed with a notch in one of the mounting bosses (7B) and (7B) of the drop prevention member (7), and engages with the other fixed frame (
10) and the other attachment are urged to move toward the engagement side by the spring (9) interposed between the boss (7B) and the boss (7B).

Next, after the product (S) is selected, the product discharge port (6)
We will explain the operation until it is paid out.

First, when the purchaser inserts coins or banknotes into the vending machine and selects a predetermined product (S), the placing table (3) is placed on the storage shelf (2) where the selected product (S) is located. 2. It is moved by the normal rotation drive of the electric motor (4). As the mounting base (3) is positioned on the predetermined storage shelf (2), the pivot shaft (8) is biased back toward the lifting path.
A contact piece (14) attached to the roller (13) attached to the tip of the mounting table (3) via a relay arm (16).
is brought into contact with the pivot shaft (8), and the pivot shaft (8) moves backward against the biasing force of the spring (9), and the fall prevention member (7)
The engagement between the fixed frame (10) and the fixed frame (10) is released. In this state, the first electric motor (1) is driven for a predetermined time,
Due to the contact with the product (S), the fall prevention member (7) is forcibly moved down toward the mounting table (3) against the biasing force of the spring (15) acting on it. The product (S) is sent onto Ya1 machine (3). Product (S)
After the product is sent onto the mounting table (3), the drop prevention member (7) is moved by the biasing force of the spring (15) to release the product (
The second electric motor (4) is driven to lower the mounting table (3) to a position corresponding to the product discharge port (6).

At this time, the contact piece (14) of the mounting table (3) and the pivot shaft (8)
), the pivot shaft (8) returns to the lifting path side by the biasing force of the spring (9), and the fall prevention member and the pivot shaft (8) are in an engaged state. Thus, the fall prevention member is fixed in the product fall prevention posture. When the placing table (3) moves to a position corresponding to the product ejection port (6), the product (S) on the placing table (3) is moved to the front product ejection port (6) by an ejection mechanism (not shown). When the product (S) is moved to , the dispensing of the product (S) is completed.

〔Example〕

In the embodiment described above, the slide member (8) was constructed from a pivot shaft pivotally attached to the product delivery side of the storage shelf (2), but as shown in FIGS. 5 and 6, the sliding member (8) For example, it is constructed of a plate member that is slidably movable via a guide member (17) and is attached in a state in which it is urged back to the vertical path side of the mounting table (2) by a spring (9). Good too. In this embodiment, the engaging portion (7A) that engages with the lower surface of the plate member (8) is composed of an abutment piece attached to the fall prevention member (7), and includes the slide member (8) and the engaging portion. The specific configuration of the joint (7A) can be freely changed.

Further, in the above embodiment, the product outlet (6) is provided at the vertical center of the vending machine, but it may be provided at an upper or lower location, and the product outlet (6) may be installed anywhere.

In addition, the product (8) from the mounting table (3) to the product outlet (6)
In addition to being moved by a discharge mechanism, the mounting surface of the R table (3) is formed in an inclined position with the product discharge port (6) side located at the bottom, so that the product (S) slides down by its own weight. Alternatively, a product discharge port (6) may be provided immediately in front of the placing table (3), and the product (S) on the placing table (3) can be removed by directly inserting the hand through the product discharge port. You may also choose to take

A cross-feeding mechanism (1) that cross-feeds the product (S), a drive mechanism (4) that raises and lowers the mounting table (3), and a storage shelf (
2) Each specific configuration can be changed freely.

Incidentally, although reference numerals are written in the claims section for convenience of reference to the drawings, the present invention is not limited to the structure shown in the accompanying drawings by such entry.

[Brief explanation of the drawing]

The drawings show an embodiment of the product dispensing mechanism of a vending machine according to the present invention, and FIG. 1 is a sectional view of a storage shelf, FIG. 2 is a front view of the storage shelf, and FIG. 3 is a plan view of the storage shelf. FIG. 4 is an overall front view of the vending machine. FIGS. 5 and 6 are a plan view and a rear view showing the side rush side of the storage shelf. Fig. 7 is a perspective view showing a conventional example of a storage shelf. Stand, (4)...
Drive mechanism, (7)...Fall prevention member, (7A)
...Engagement part, (7B) ...Boss installation, (8) ...Slide member, (9) ...
・Biasing mechanism, (1o)・Old・Fixed frame, (12)
......Engagement piece, (A)...Fixing mechanism, (
S)...product.

Claims (1)

[Claims] 1. A plurality of upper and lower storage shelves (2) equipped with a cross-feeding mechanism (1) for cross-feeding a plurality of products (S) are provided, and the products (S) are selectively fed from the storage shelves (2). A drive mechanism (4) is provided for vertically raising and lowering the mounting table (3) on which the product (S) placed is placed, and the storage shelf (2) is
A fall prevention member (7) that prevents the fall of the device S), and a drop prevention member (7) that prevents the fall prevention member (7)
) is fixed in a position to prevent products from falling, and the storage shelf (2
) A product discharging mechanism of a vending machine is provided with a fixing mechanism (A) that can be switched freely between a fixing release state and a fixing release state that allows the product (S) on the top (S) to be moved sideways to the mounting table (3) side, The fixing mechanism (A) consists of a slide member (8) that moves toward the backward side when it comes into contact with the mounting table (3), and a slide member (8) that is placed on the lifting path side of the mounting table (3). A biasing mechanism (9) is provided on the storage shelf (2) side to bias the slide member (8) back to the vertical direction, and the biasing mechanism (9) is engaged with the slide member (8) when the slide member (8) returns to the vertical path side. , and the slide member (8) in contact with the mounting table (3).
A product delivery mechanism for a vending machine, wherein the drop prevention member (7) is provided with an engaging portion (7A) that is released from the engaged state when the product is moved toward the rearward side. 2. The slide member (8) is connected to the fall prevention member (7).
), which is pivotally attached to the product delivery end side of the storage shelf (2) to swingably support the storage shelf (2). ), wherein the engaging portion (7A) that engages with the engaging piece (12) protruding from the fixed frame (10) of the device is formed with a notch.
Product dispensing mechanism of the vending machine described. 3. The sliding member (8) is a plate member provided on one side of the storage shelf (2), and the engaging portion (7A) that engages with the lower surface of the plate member (8) The product delivery mechanism for a vending machine according to claim 1, comprising a contact piece attached to the blocking member (7).