JPH0110704Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a product delivery device for a vending machine that sequentially transports products stored in a vertical product storage unit from the bottom opening of the product storage unit. be.

(Prior Art) This type of product delivery device has one end pivotally supported at the bottom of a vertical product storage unit having an opening at the bottom, and is rotatable in the vertical direction, and the product delivery device is capable of opening and closing the bottom opening. By rotating the flapper downward from a horizontal position by the weight of the product, the lowest product can be dropped and carried out.

Conventionally, as shown in FIGS. 7 and 8, the flapper 110 has a groove surface 110a provided with a plurality of grooves extending from one end edge (upper edge in the figure) to the other end edge serving as a pivot point. It is known that the contact surface is provided on the entire surface that comes into contact with the product.

As shown in FIGS. 5 and 6, the flapper includes a groove surface 210a provided with a plurality of grooves extending from one end edge (upper edge in the figure) to the other end edge serving as a pivot point. provided at the center of the contact surface with the product, and from the groove surface 210a to the groove surface 2.
The applicant has previously proposed a structure in which flat surfaces 210b that slope downward toward both edges perpendicular to the groove surface 210a are provided on both sides of the groove surface 210a (Utility Model Application No.
No. 172379).

(Problem to be solved by the invention) However, when the former flapper 110 shown in FIGS. 7 and 8 is used, the groove surface 110
a is provided on the entire surface of the contact surface with the product, so that after the lowest product is carried out, the product 130 directly above the lowest product is in a tilted state as shown in FIGS. 10 and 11. When the product 130 falls onto the flapper 110 in its original state, the corners of the product 130 are likely to get caught in the grooves of the groove surface 110a, and therefore the product 130 cannot be placed properly on the flapper 110, and the upper part of the product 120 is stuck. There was a problem in that it was held down by the means 106 and could not be carried out.

Furthermore, when the latter flapper 210 shown in FIGS. 5 and 6 is used, since the downwardly sloping flat surface 210b is provided on both sides of the groove surface 210a, the corners of the product 230 are groove surface 21
Although it will not get caught in the groove 0a, if the outer surface of the lowest stacked product 230 is wet as shown in FIG. There is a possibility that the product 230 will come into contact with the side wall 201c of the product storage section 201, and the flapper 210 will not be able to rotate, so that the product 230 will not be carried out.

The present invention has been made in view of the above-mentioned problems, and its purpose is to provide a product delivery device for a vending machine that can smoothly transport products by preventing products from getting caught or sticking to flaps. do.

(Means for solving the problem) In order to achieve the above-mentioned object, the present invention includes a vertical product storage section with an open bottom, one end of which is pivotally supported at the bottom of the product storage section, and a bottom surface of the product storage section. A product dispensing device for a vending machine including a flapper for discharging products whose opening can be opened and closed, wherein the flapper has a plurality of grooves extending from one end edge toward the other end in the center of the surface of the flapper that comes into contact with the product. A first groove surface is provided, and a second groove surface is provided on both sides of the first groove surface, the second groove surface having a plurality of grooves extending toward both edges in a direction perpendicular to the first groove surface. It is characterized by

(Function) According to the present invention, since the product contact surface of the flapper is composed of the first groove surface and the second groove surface, which are made up of a plurality of grooves, the contact area between the corresponding contact surface and the product is are only at the tops of the first and second groove surfaces, so even if the outer surface of the product is wet, the product will not stick to the contact surface. Further, when carrying out the product, the lowest product placed on the flapper is smoothly moved along the plurality of grooves extending from one end edge to the other end edge, which is the pivot point of the first groove surface. I can do it.

In addition, even if the product directly above the lowest product falls onto the flapper in an inclined state after the lowest product is carried out, the second groove surface is at both ends perpendicular to the first groove surface. Since it is provided with a plurality of grooves extending toward the edges, the corners of the product will not get caught on the contact surface.

(Embodiment) FIGS. 1 to 4 show an embodiment of the present invention.

In the figure, reference numeral 1 denotes a box-shaped vertical product storage section with an open bottom, and 2 a rotating shaft extending vertically in the center of the product storage section 1, with the lower end attached to the back of the product storage section 1. It is pivotally supported by a shaft support 3 attached to the plate 1a, and its upper end is connected to a connecting shaft 5 via a pin 5a, and the connecting shaft 5 is connected to the top plate 1 of the product storage section 1.
It is rotatably fitted into a bearing 4 provided at b.

Reference numeral 6 denotes a pair of product locking plates, one end of which is fixed to the back plate 1a of the product storage section 1, and the other end of which is fixed to a horizontal shaft 6a, which is not shown, and which is connected to the rotating shaft 2. They are arranged symmetrically with the lower end of the product 30 in the lowermost position placed in pressure contact with the product 31 directly above the lowest product 30. Reference numeral 6b denotes an arm for driving the product locking plate attached to the rotating shaft 2, and the arm 6b presses the lower end of the product locking plate 6 to project into the product storage section 1, and causes the product locking plate to be moved. Stop plate 6
The product 31 is press-fitted and locked through the .

Reference numeral 7 denotes a rotation control plate installed horizontally at the bottom of the rotating shaft 2 so as to be able to come into contact with the lower surface of a flapper 10, which will be described later.The rotation control plate 7 has a fan-shaped planar shape. , allows or prevents downward rotation of the flapper 10 depending on its rotational position.

Reference numeral 8 denotes a total of two partition plates extending vertically at a predetermined interval in the center of the product storage section 1, and the partition plates 8 correspond to the mounting positions of the product locking plates 6. It has an opening 8a for passing through the product locking plate.

Reference numeral 10 denotes a pair of flappers that are attached to the lower part of the product storage section 1 via a shaft 11 so as to be rotatable in the vertical direction. Through hole 1 for fitting
2 are coaxially provided on the left and right sides of the central notch. A first groove surface 10a is provided at the center of the surface of the flapper 10 that comes into contact with the product 30, and has a wavy cross-sectional shape and a plurality of grooves extending from the upper edge to the lower edge. Also, on the left and right sides sandwiching the first groove surface 10a, there are second groove surfaces having a sawtooth cross section and consisting of a plurality of grooves extending toward both left and right edges in a direction perpendicular to the first groove surface 10a. 10b is provided. Further, the second groove surface 10b has a downward slope from the center toward both left and right edges, and the height of the top of the first groove surface 10a is equal to the height of the top of the second groove surface 10b. It is set higher than that.

20 is a motor connected to the rotating shaft 2 via the connecting shaft 5.

According to this embodiment, when carrying out the lowest product 30 stored in the product storage section 1, the motor 20
Rotate the rotating shaft 2 in the direction of the arrow in FIG. This rotation of the rotating shaft 2 causes the rotation control plate 7 and the arm 6b to
The arms 6b also rotate in the same direction, and the tip of the arm 6b comes into contact with the back surface of the product locking plate 6 from an angular position slightly before the fan-shaped rotation control plate 7 separates from one of the flappers 10. Press and rotate upwards,
As a result, the lower end of the product locking plate 6 comes into pressure contact with the side surface of the product 31 directly above the lowest product 30. When the rotation control plate 7 is completely separated from the flapper 10, the lowest product 30 placed on the flapper 10 falls downward from the bottom opening of the product storage section 1 and is carried out.

Further, according to this embodiment, the contact surface of the flapper 10 with the product 30 is the first groove surface 1 consisting of a plurality of grooves.
0a and a second groove surface 10b,
Further, since the height of the top of the first groove surface 10a is higher than the height of the second top, the flap 1
The contact area between the product 30 placed on the flapper 10 and the flapper 10 is only at the tops of some of the first and second groove surfaces 10a and 10b, and is extremely small. Therefore, even if the outer surface of the product 30 is wet due to liquid flowing out from the inside of the product 30, the product 30 will not be exposed to the flap 10.
It will not stick to the surface. In addition, when carrying out the product, the lowest product 30 placed on the flapper 10 is
It is possible to smoothly move the product 30 along the plurality of grooves extending from the upper end edge to the lower end edge of the first groove surface 10a, and the product 30 can be carried out smoothly.

Furthermore, according to this embodiment, the second groove surface 10b includes a plurality of grooves extending toward both left and right edges in a direction perpendicular to the first groove surface 10a, and grooves extending from the center toward both left and right edges. As it slopes downward,
After the lowest product 30 is carried out, even if the product 31 directly above the lowest product 30 falls onto the flapper 10 in an inclined state, the corner of the product 31 is moved to the second
The grooves and slopes of the groove surface 10b can be used to smoothly move the product 31 toward the left edge or the right edge, preventing the product 31 from getting caught on the contact surface and placing the product on the flapper 10. It can be placed correctly.

(Effects of the invention) As explained above, according to the invention, since the contact surface of the flapper with the product is composed of the first groove surface and the second groove surface, which are composed of a plurality of grooves, The contact area between the product placed on the flapper and the flapper is only at the tops of the first and second groove surfaces, and is extremely small. Therefore, even if the outer surface of the product becomes wet due to liquid flowing out from inside the product, the product will not stick to the flapper. In addition, when carrying out products, the lowest product placed on the flapper is placed in the first position.
The product can be smoothly moved along a plurality of grooves extending from one end edge toward the other end edge, which is the pivot point of the groove surface, and the product can be carried out smoothly.

In addition, since the second groove surface is provided with a plurality of grooves extending toward both edges in a direction perpendicular to the first groove surface, after the lowest product is carried out, the Even if the product falls on the flap in an inclined state, the corner of the product can be smoothly moved toward either of the two edges by using the grooves of the second groove surface, and the product The product can be placed correctly on the flapper by preventing it from getting caught on the contact surface.

[Brief explanation of the drawing]

Figures 1 to 4 show an embodiment of the present invention, in which Figure 1 is a partially cutaway front view of the product storage section of a vending machine, Figure 2 is a plan view of the flapper, and Figure 3 is a partially cutaway front view of the product storage section of the vending machine. 2 is a front view of the flapper shown in FIG. 2, and FIG. 4 is a right side view of the flapper shown in FIG. 2. 5 to 11 show conventional examples. FIG. 5 is a plan view of the flapper showing the first conventional example, FIG. 6 is a front view of the flapper shown in FIG. 5, and FIG. 7 is a front view of the flapper shown in FIG. FIG. 8 is a front view of the flapper shown in FIG. 7, and FIG. 9 is a partial cutaway of the product storage section of the vending machine showing the first conventional example. 10 is a partial front view of a product storage section of a vending machine showing a second conventional example, and FIG. 11 is a left side view of FIG. 10. 1...Product storage section, 10...Flatspa, 10a
...First groove surface, 10b...Second groove surface, 30...
...Product at the lowest rank, 31...Product immediately above the lowest rank.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A vertical product storage unit with an open bottom, and a flapper for carrying out products that has one end pivotally supported at the bottom of the product storage unit and can open and close the bottom opening. In a product dispensing device for a vending machine, a first groove surface having a plurality of grooves extending from one end edge to the other end edge is provided at the center of the contact surface of the flapper with the product; Product carrying out of a vending machine characterized in that a second groove surface is provided on both sides of a first groove surface with a plurality of grooves extending toward both edges in a direction perpendicular to the first groove surface. Device. (2) Product carrying out of the vending machine according to claim 1 of the utility model registration claim, characterized in that the height of the top of the first groove surface is greater than or equal to the height of the top of the second groove surface. Device. (3) The product dispensing device for a vending machine according to claim 1 or 2, wherein the second groove surface is provided with a downward slope toward both edges.