JPH09115041A - Commodity shooter system for automatic vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely rake up dropped from a commodity storage part toward near the center of a receiving plate. SOLUTION: The commodity shooter system 10 in this invention is composed of a receiving plate 11 for receiving commodity A carried out of the commodity storage part, a pair of commodity raking-up arms 12 and 13, which are arranged on the left and right sides of this receiving plate 11, supporting the side of a commodity take-out part, belt 14 interlocked with these respective merchandise raking-up arms 12 and 13, and takeup drum 15 for taking up the belt 14 by turning a driving motor 16. Thus, when operating the driving motor 16, the belt 14 is taken up by the takeup drum 15, and the left and right commodity raking-up arms 12 and 13 are rotated toward the inside of the receiving plate 11. Thus, even the commodity A dropped onto the peripheral edge of the receiving plate 11 is raked up by these commodity raking-up arms 12 and 13 and moved toward the center of the receiving plate 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a product shooter device for an automatic vending machine which smoothly carries out a product dropped and carried out from a product storage unit such as a serpentine rack to a product taking-out unit.

[0002]

2. Description of the Related Art Conventionally, as a commodity shooter device for this type of vending machine, Japanese Patent Laid-Open No. 6-30 shown in FIGS.
The one disclosed in Japanese Patent No. 1849 is known.

The vending machine 1 shown in FIG. 13 is a so-called serpentine rack type vending machine, in which a plurality of product storage sections for storing the product A, that is, the serpentine rack 3 are mounted in the main body 2 of the vending machine. . The sold product is dropped from the serpentine rack 3 and is carried out to the product take-out port 4 through the product shooter device 5.

As shown in FIG. 14, the commodity shooter device 5 has spiral springs 5b arranged at four corners of a receiving plate 5a, and a belt 5c pulled by the spiral springs 5b.
Are arranged in a substantially rectangular shape. A winding drum 5 rotated by a drive motor 5d is provided on a part of the belt 5c.
e is fixed. Here, when the winding drum 5e is rotated by the drive motor 5d, the spiral spring 5b extends and the rectangular belt 5c is deformed into a triangular shape, as shown by a chain double-dashed line. As a result, the product A that has fallen to the corner of the receiving plate 5a is scraped toward the inside of the receiving plate 5a and is smoothly carried out to the product take-out port 4.

[0005]

As described above, in the conventional product shooter device 5, even if the product A has fallen to the corner of the receiving plate 5a, the product A is scraped to the center of the receiving plate 5a.
The belt 5c
Is formed of a belt member that is easily wound around the winding drum 5e, for example, a material having excellent flexibility such as a resin film, and therefore, when scraping a heavy product A, the belt 5c
There was a risk of tearing, and there was concern about its strength. Also,
Even if the belt 5c does not break, when the belt 5c hits the product A, the flexibility of the belt 5c causes the product to twist and ride over the product A, which causes a problem that the product A cannot be delivered properly. Was there.

SUMMARY OF THE INVENTION In view of the conventional problems described above, an object of the present invention is to provide an inexpensive product vending machine for a vending machine which can reliably scrape a product dropped from a product storage section toward the center of a receiving plate. is there.

[0007]

In order to solve the above-mentioned problems, the present invention according to claim 1 is an automatic vending system for receiving a product delivered from a product storage unit and delivering the product to a product removal unit side. In a product shooter device of a machine, a receiving plate for receiving the product carried out from the product storage unit, a pair of product pulling arms arranged on the left and right sides of the receiving plate and pivotally supporting the product taking-out unit side, and each of the product pulling units. It is configured to include a belt that cooperates with the arm, and a winding unit that winds the belt by rotation of the drive motor and rotates each commodity scraping arm toward the inside of the receiving plate.

With this structure, when the drive motor is operated,
The belt is wound around the winding portion, and the left and right product scraping arms rotate toward the inside of the receiving plate. As a result, even a product that has fallen on the periphery of the receiving plate is drawn up by the product drawing arm and moves toward the center of the receiving plate.
As described above, since the product is pulled up by the product pulling arm, the strength is sufficient and troubles such as breakage do not occur.

According to the second aspect of the present invention, since the drive motor and the winding section are installed on one of the product scraping arms, it is not necessary to separately prepare the installation space for the drive motor and the winding section.

According to a third aspect of the present invention, there is provided a product shooter device, wherein protrusions connected to the respective product pulling arms, guide holes for guiding the respective protrusions, and movement of one protrusion passing through one guide hole are restricted. And a cam that rotates when the other protrusion that passes through the other guide hole abuts and moves, and a crank that is connected to the crank and that rotates the cam to rotate the crank and regulate the movement of one protrusion. And a connecting member for releasing.

With this structure, when the drive motor is operated,
Each product pulling arm rotates toward the center of the receiving plate. During this rotation, the protrusion of one of the product scraping arms hits the crank to restrict the rotation, and this restricted state continues until the projection of the other product scraping arm rotates the cam. As a result, the timing of the rotation of one of the product scraping arms is later than that of the other product scraping arm.

[0012] Here, for example, when a square-shaped product is carried out to the center of the receiving plate and the product is carried out by each product scraping arm, when the product scraping arms are simultaneously driven to rotate, the product is sold as a product. Although there is a risk of being pinched by the product scraping arm, this pinching is prevented because the present invention shifts the rotation timing as described above.

In a fourth aspect of the present invention, in a product shooter device of an automatic vending machine that receives a product delivered from the product storage unit and delivers the product to the product removal unit side, the product delivered from the product storage unit is A receiving plate for receiving, a product pulling arm arranged on the left and right of the receiving plate and rotating toward the inside of the receiving plate by a drive motor around the product take-out portion side, and a pushing arm pivotally supported by each product pulling arm. , An operating rod extending from the pushing arm, and a guide hole for guiding the tip of the operating rod and rotating the pushing arm in the same direction as the commodity pulling arms.

With this structure, when the drive motor is operated, each product scraping arm is rotated to move the product toward the center of the receiving plate, and the pushing arm provided on the product scraping arm is used. The product that has been rotated and moved toward the center can be further moved to the product taking-out portion side.

[0015]

1 and 2 show a first embodiment of a commodity shooter device for an automatic vending machine according to the present invention. Since the structure of the entire vending machine is the same as that shown in FIG. 13, the illustration and description thereof will be omitted.

The product shooter device 10 according to the first embodiment has a rectangular receiving plate 11, product pulling arms 12 and 13 arranged on the left and right sides of the receiving plate 11, and resin or rubber products. The belt 14 includes a winding drum 15 that winds the belt 14, and a drive motor 16 that rotates the winding drum 15.

One of the commodity pulling arms 12 (see FIG. 1)
2 has left and right bearings 12a and 12b each having a substantially U-shaped cross section, and the bearings 12 on the base end side are shown in FIG.
a is rotatably supported on the receiving plate 11 by a shaft 12c, while the bearing portion 12b on the front end side is a roller 12 rotatably supported by a shaft 12d.
e is attached. The other product pulling arm 13 (on the right side in FIGS. 1 and 2) has a bearing portion 13a having a substantially U-shaped cross section on the base end side, and is supported by the bearing plate 11 by a shaft 13b. On the other hand, the tip side is a fixed end for fixing the belt 14. Furthermore, the winding drum 15
Is connected to the drive shaft 16a of the drive motor 16, and one end of the belt 14 is fixed to the winding drum 15, while the belt 14 is wound around the roller 12e and fixed to the tip of the other product scraping arm 13. There is. In addition, each shaft 12c, 1
A coil spring 17 for return is wound around 3b.

The product shooter device 1 configured as described above.
When 0, the belt 14 is wound around the winding drum 15 against the biasing force of each coil spring 17 by operating the drive motor 16, and as shown in FIG. It rotates toward the center of the receiving plate 11.
As a result, the product A dropped and carried out to the corner of the receiving plate 11 as shown in FIG. 1 moves to the center of the receiving plate 11 as shown in FIG. 2 and can be reliably carried out to the product takeout port side (not shown). .

Further, the product A is a product scraping arm 12,
Since the product A is raked by 13, the strength is sufficient and, unlike the conventional case, a trouble such as a twist does not occur when the product A is raked.

3 and 4 show a second embodiment of the product shooter device according to the present invention. In the present embodiment, in the configuration of the first embodiment, the product scraping arm 1
3. The winding drum 15 and the drive motor 16 are improved. That is, in the product shooter device 20 according to the present embodiment, the product scraping arm 13 is replaced with the product scraping arm 21 (on the right side in FIGS. 3 and 4). In this commodity scraping arm, the base end side thereof has the bearing portion 21a and the shaft 21b as in the first embodiment.
The shaft 21b is supported by the receiving plate 11 via
A coil spring 21c for return is wound around. On the other hand, a drum motor mounting portion 21d having a substantially U-shaped cross section is formed on the tip end side of the product pulling arm 21, and the winding drum 22 and the drive motor 23 are installed at the front and rear of this mounting portion 21d. The rotational force of the drive motor 23 is transmitted by gears 24a and 24b meshing with each other, and the rotation of the drive motor 23 causes the take-up drum 23 to rotate. The rest of the configuration is similar to that of the first embodiment.

According to this embodiment, since the product scraping arm 21 is a member for installing the winding drum 22 and the drive motor 23, it is not necessary to separately provide an installation space for these parts.

5 to 9 show a third embodiment of the commodity shooter apparatus according to the present invention. In the present embodiment, each commodity scraping arm 12, 21 according to the second embodiment is
In the rotating operation, the mechanism for shifting the timing during the rotation is provided.

That is, in the commodity shooter device 30 according to the present embodiment, as shown in FIGS. 7 to 9, the commodity pulling arms 12 and 21 are provided with downward projections 31a and 31b, and the projections 31a and 31b. The guide holes 32a and 32b are provided in the receiving plate 11 along the rotation locus. Further, an L-shaped bell crank 33 is pivotally supported near the one guide hole 32a (on the side of the product scraping arm 21) on the back surface of the receiving plate 11, and when in standby, as shown in FIG. The end surface of 33 is arranged so as to be orthogonal to the guide hole 32a. On the other hand, similarly, on the back surface of the receiving plate 11, a cam 34 is pivotally supported near the other guide hole 32b (on the product scraping arm 12 side), and its end face is inclined and intersects the guide hole 32b. Further, the tip of the bell crank 33 and the tip of the cam 34 are connected by a linkage rod 35. As shown by the chain double-dashed line in FIG. 9, when the cam 34 rotates clockwise, the bell crank 33 reverses. It is designed to rotate clockwise. The bell crank 33 and the cam 34 are urged by the coil springs 33a and 34a toward the members shown by the solid line in FIG.

According to the present embodiment, when the drive motor 23 is driven, the belt 14 is wound around the winding drum 22, and the product scraping arms 12 and 21 rotate toward the center of the receiving plate 11. During this rotation, the protrusion 31a on the product scraping arm 21 side comes into contact with the end surface of the bell crank 33 as shown by the chain double-dashed line in FIG. 8, and the rotation of the product scraping arm 21 stops. On the other hand, the product scraping arm 12 continues to rotate, and the protrusion 31b on the product scraping arm 12 side contacts the inclined end surface of the cam 34 during the rotation. The contacted protrusion 31b moves further along the guide hole 32b while being pressed against the inclined end surface of the cam 34.

The cam 34 is moved by the pressure contact movement of the protrusion 31b.
Rotates clockwise as shown by the chain double-dashed line in FIG. 9, and with this rotation, the linkage rod 35 moves as shown by the chain double-dashed line, rotating the bell crank 33 counterclockwise. As a result, the end surface of the bell crank 33 is guided by the guide hole
2a is separated, and the movement restriction of the protrusion 31a is released.
With the release of the regulation of the projection 31a, the other product scraping arm 21 rotates again, and rotates toward the center of the receiving plate 11 as shown by the chain double-dashed line in FIG.

As described above, in the product shooter device 30 according to the present embodiment, in the product scraping operation, the rotation of the other product scraping arm 21 is temporarily stopped and then rotated again. The product scraping arm 21 is rotated later than the rotation. In other words, the product scraping arms 12 and 21 do not move to the center of the receiving plate 11 at the same time.
It is possible to prevent a delivery failure such as a product being sandwiched between 2, 21. The other configurations are the same as those in the second embodiment.

10 to 12 show a fourth embodiment of the product shooter device of the vending machine according to the present invention. This embodiment is an improvement of the product scraping arm of each of the first to third embodiments.

That is, the product shooter device 40 according to the present embodiment has a receiving plate 41 for receiving the products dropped and carried out from the product storage portion, and a pair of product pulling arms 42 symmetrical to the left and right of the receiving plate 41. Are arranged. The commodity scraping arm 42 is formed in a U-shaped cross section, and the base end side thereof is axially supported by the receiving plate 41 by a shaft 42a.
Is connected to the drive motor 43 via. By the operation of the drive motor 43, each product scraping arm 42 rotates toward the center of the receiving plate 41. A coil spring 42b for return is wound around the shaft 42a.

A push-out arm 44 is installed at the tip end side of the product scraping arm 42. The push-out arm 44 is formed in a U-shaped cross section so as to cover the side surface of each commodity pulling arm 42, and the base end side of the push-out arm 44 has a shaft 44a.
And is pivotally supported by each product pulling arm 42. Further, an operating rod 45 having a tip bent downward is extended at the lower part of the pushing arm 44, and a guide hole 46 for guiding the tip of the operating rod 45 is formed in the receiving plate 41.
As shown in FIG. 12, the guide locus of the guide hole 46 is such that when the product scraping arm 42 is rotated toward the center of the receiving plate 41, the pushing arm 44 is rotated in the same direction as the product scraping arm 42. Has been formed. A coil spring 44b for returning is wound around the shaft 44a.

According to the present embodiment, the operation of the drive motor 43 resists the urging force of the coil spring 42b so that each commodity scraping arm 42 rotates toward the center of the receiving plate 41,
The product is carried out to the product takeout side. In addition, as the merchandise pulling arm 42 rotates, the pushing arm 44 rotates as shown in FIG. 12, and as shown in FIGS. 11 and 12, the merchandise is moved further to the merchandise takeout portion side than the merchandise pulling arm 42. it can.

Therefore, for example, the receiving plate 41 having a small inclination,
Alternatively, when a rectangular product carried out to the horizontal receiving plate 41 is carried from this receiving plate 41, it becomes an extremely effective carrying-out mechanism.

[0032]

As described above, according to the first aspect of the present invention, the products dropped onto the receiving plate can be moved toward the center of the receiving plate by the left and right product scraping arms. In addition to improving the compatibility with the take-out part, this product movement is performed by the product scraping arm, so the strength is sufficient, and it does not cause problems such as damage or deformation as in the past, and is inexpensive Has become.

According to the second aspect of the present invention, since the drive motor and the winding section are installed on one of the product scraping arms, it is not necessary to separately prepare an installation space for the drive motor and the winding section. The entire product shooter device can be made compact.

According to the third aspect of the present invention, the rotation of one of the product scraping arms is slower than that of the other product scraping arm, and the rotation of each of the product scraping arms is deviated.
The problem that the product is caught in the middle of rotation is solved.

According to the fourth aspect of the present invention, when the drive motor is operated, each merchandise pulling arm is rotated to move the merchandise toward the center of the receiving plate. The pushing arm rotates,
Since the product moved toward the center can be further moved to the product taking-out portion side, the product can be reliably carried out regardless of the shape of the product.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a standby state of a product shooter device according to a first embodiment.

FIG. 2 is a perspective view showing a unloading state of the product shooter device according to the first embodiment.

FIG. 3 is a perspective view showing a standby state of the product shooter device according to the second embodiment.

FIG. 4 is a perspective view showing a carried-out state of the product shooter device according to the second embodiment.

FIG. 5 is a perspective view showing a standby state of the product shooter device according to the third embodiment.

FIG. 6 is a perspective view showing a carry-out state of a product shooter device according to a third embodiment.

FIG. 7 is a cross-sectional view showing a penetration state of a protrusion of the product shooter device according to the third embodiment.

FIG. 8 is a rear view of the receiving plate showing the movement restriction state of the product pulling arm of the product shooter device according to the third embodiment.

FIG. 9 is a rear view of the receiving plate showing the regulation release state of the product pulling arm of the product shooter device according to the third embodiment.

FIG. 10 is a perspective view showing a standby state of the product shooter device according to the fourth embodiment.

FIG. 11 is a perspective view showing a carry-out state of the product shooter device according to the fourth embodiment.

FIG. 12 is a perspective view showing a rotation operation of a product drawing arm of the product shooter device according to the fourth embodiment.

FIG. 13 is a sectional view showing a vending machine.

FIG. 14 is a perspective view showing a conventional product shooter device.

[Explanation of symbols]

1 ... Vending machine, 4 ... Product outlet, 5, 10, 2
0, 30, 40 ... Product shooter device, 11, 41 ... Receiving plate, 12, 13, 21, 42 ... Product scraping arm, 1
4 ... Belt, 15, 22 ... Winding drum, 16, 2
3, 43 ... Drive motors, 31a, 31b ... Protrusions, 32
a, 32b, 46 ... Guide hole, 33 ... Bell crank, 3
4 ... Cam, 44 ... Extruding arm, 45 ... Operating rod, A ...
Product.

Claims (4)

[Claims] 1. A product received from a product storage unit,
In a product shooter device of an automatic vending machine that carries out this product to the product taking-out side, a receiving plate for receiving the product carried out from the product storing part, and a product taking-out part side which is arranged on the left and right of the receiving plate is pivotally supported A pair of product scraping arms, a belt that cooperates with each of the product scraping arms, and a belt that winds the belt by the rotation of a drive motor and rotates the product scraping arms toward the inside of the receiving plate. A product shooter device for a vending machine, characterized by including a take part. 2. The product shooter device for a vending machine according to claim 1, wherein the drive motor and the winding unit are installed on the one product scraping arm. 3. A protrusion connected to each of the commodity scraping arms, a guide hole for guiding the protrusion, and a rotatable crank for restricting movement of one protrusion passing through the one guide hole. , A cam that rotates when the other protrusion passing through the other guide hole abuts and moves, and the crank and the cam are connected to rotate the crank to rotate the cam to release the movement restriction of the one protrusion. 3. A commodity shooter device for an automatic vending machine according to claim 1 or 2, further comprising a connecting member. 4. A product received from a product storage unit,
In a product shooter device of an automatic vending machine that carries out the product to the product taking-out side, a receiving plate for receiving the product carried out from the product storing section,
A product scraping arm arranged on the left and right of the receiving plate and rotating toward the inside of the receiving plate by a drive motor with the product take-out portion side as an axis; and a pushing arm pivotally supported by each of the product scraping arms, An automatic rod extending from the pushing arm; and a guide hole for guiding the tip of the operating rod and rotating the pushing arm in the same direction as each of the commodity pulling arms. Product shooter device.