JP3417894B2 - Sprocket type ball lifting device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a sprocket-type ball lifting device for lifting a pachinko ball collected from a pachinko machine to an upper tank.

[0002]

2. Description of the Related Art A game machine installation island in a pachinko hall is usually composed of an elongated section, and many pachinko machines are arranged back to back around them in an orderly manner. The pachinko balls discharged from each pachinko machine are collected, and then are pumped to an upper ball tank by an appropriate ball hoisting device, and are supplied to each pachinko machine again.

The applicants have developed a circulation path on a pachinko machine installation island as shown in FIG . That is, the pachinko balls discharged from each pachinko machine 11 are collected in a pool tank (not shown), and the balls carried out from the pool tank in a fixed amount pass through a ball supply guide trough 12 whose bottom surface is formed like a cage. It is supplied to the polishing device 13. Here, the balls are the endless belt rotating mechanism 13a and the polishing cloth spreading mechanism 13
Rolled and polished between b and fed to the doffing device 14 on the right side. Here, the polished balls are sent to the upper ball tank 16 by the ball hoisting device 14 via the conveying pipe 15, and the respective devices are arranged so as to be supplied from the upper ball tank 16 to the respective pachinko machines.

Therefore, the present applicants have developed a sprocket-type doffing device whose cross section is shown in FIG. 4 as a doffing device for such a purpose. In this ball hoisting device, a large number of hemispherical ball receiving portions 22 are formed adjacent to each other at regular intervals on the outer peripheral portion of a sprocket 21 that is rotationally driven by a motor (not shown). On the other hand, a ball guide member 23 is arranged below the sprocket 21, and an arc-shaped guide opened upward with a space for accommodating the pachinko balls fitted in the ball receiving portion 22 in a sandwiched state. A surface 24 is formed.

The sprocket 21 having the above structure
When the sprocket 21 is rotated in the arrow direction by the motor in the ball guide member 23 and the pachinko balls T are sandwiched between the guide surface 24 and the ball receiving portion 22 of the sprocket 21, one row in the arrow direction. It will be transported in the state. Thus, the pachinko ball T is introduced into the inside from the ball inflow port 25 provided on the left side of the upper surface of the figure, is also sent out from the ball outflow port 26 on the right side, and is lifted up by a ball lifting pipe or the like. .

[0006]

However, the pachinko balls collected from each pachinko machine are mixed with polishing debris at the time of polishing, and various foreign matters, dust, dust, and circulation path constituent members in the ball circulation path. Wear debris and debris from the pachinko machine, and sometimes assembly screws that have fallen out of the pachinko machine are mixed in, but if these enter the doffing machine, the friction resistance increases and the sprocket tooth There is a risk that damage may be caused or biting may occur to impair the function. The present invention has been made to solve such a problem, and provides a ball lifting device capable of removing foreign matters such as the above contaminants during the above-described pachinko ball transportation operation. Is.

[0007]

Means for Solving the Problems The above problem is caused by a sprocket in which a plurality of rows of ball receiving portions, which are formed by adjoining a large number of ball receiving portions adjacent to each other on the outer peripheral portion, are arranged side by side, and an arc shape. In a sprocket-type ball lifting device configured to rotate the sprocket and sequentially feed the pachinko balls upward while accommodating the pachinko balls between the ball guide member having the guide surface. The sprocket-type doffing of the present invention is characterized in that a plurality of rows of narrow guide surfaces on which the pachinko balls abut while moving are provided, and spaces for discharging foreign matter are provided in parallel on both sides thereof. It can be solved by the sending device.

According to the present invention, the ball guide member is
A plurality of guide member elements are closely assembled and integrated, and the guide member elements are
It can be embodied as the sprocket-type ball lifting device in which one row of arc-shaped narrow guide surfaces with which a pachinko ball abuts is formed on its upper surface, and the thickness of both side surfaces is partially thin. .

According to the present invention, since the guide surface with which the pachinko balls abut while moving is provided with a space for discharging foreign matter on its side, the contaminants mixed in are easily discharged, and It becomes possible to avoid the troubles as described above. Further, in the above-described embodiment, there is an advantage that the guide member elements are closely assembled and the ball guide member having a complicated three-dimensional structure having the arc-shaped guide surface and the space for discharging the foreign matter can be easily manufactured.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of the sprocket type ball lifting device of the present invention will be described with reference to FIGS. The basic structure of the sprocket-type doffing device of the present invention is the same as that described above, but the overall structure thereof is, as shown in FIG. 1, a motor plate 51 and a front plate, which are plate members on both sides. The motor 53 mounted on the motor plate 51 side by disposing the ball guide member 4 on the lower side and the sprocket 3 on the upper side between 52.
The sprocket 3 is configured to be rotatable by the drive shaft 54.

Further, an upper cover 6 having a ball inlet and a ball outlet is arranged on the upper side of the sprocket 3, an inlet guide member 61 having a ball biting preventing function is provided on the inflow side, and an outflow side is provided. An anti-back member 62 having a ball backflow prevention function is assembled. The ball guide member 4 is composed of a plurality (5 in FIG. 1) of guide member elements 41 (see FIG. 2), and the sprocket 3 is also assembled from the same number of sprocket elements 40 .

That is, the sprocket-type ball lifting device of the present invention rotates the sprocket 3 while the pachinko balls are accommodated between the sprocket 3 and the ball guide member 4, and the pachinko balls are sequentially moved upward. As shown in FIG. 2 (A), the ball guide member 4 is provided with a plurality of narrow guide surfaces 41a on which the pachinko balls abut while moving. It is divided into five rows in FIG. 2), and a space 42 for discharging foreign matter is provided in parallel on both sides thereof. It goes without saying that it is preferable that the space 42 for discharging the foreign matter penetrates from the position of the narrow guide surface 41a to the bottom.

The number and spacing pitch of the narrow guide surfaces 41a provided on the ball guide member 4 depend on the number and pitch of the ball receiving portion rows 31 (see FIG. 1) set on the outer periphery of the upper sprocket 3. The width dimension of the pachinko ball is not particularly limited, but may be up to 1/2 of the diameter of the pachinko ball. In this case, the space 4 for discharging foreign matter on both sides of the ball 4 is set.
The width dimension of 2 can be set to 1/2 or more of the diameter of the pachinko ball, and it is possible to obtain an advantage that even a large-sized foreign substance that has entered together with the pachinko ball can be discharged.

Further, the following form is proposed as a preferable form of the ball guide member 4. That is, FIG. 2 (A)
As shown in FIG. 2, the ball guide member 4 can be embodied in a form in which a plurality of prefabricated guide member elements 40 are closely assembled and integrated, and in that case, the guide member element 40 is formed as shown in FIG. ), The upper surface thereof is provided with an arc-shaped narrow guide surface 41a that is open upward, and is formed as a row of passage surfaces with which the pachinko balls accommodated between the sprocket 3 and the sprocket 3 come into contact. . And, at the same time, of the both side surfaces, the thick-walled portions 43a, 4 at the left and right ends.
Except for 3b, a shape in which concave portions 44a and 44b are provided on both sides is adopted so that the thickness is thinned from the position of the narrow guide surface 41a to the bottom.

If a predetermined number of such guide member elements 40, which are right and left end portions 43a and 43b thereof, are closely contacted with each other and assembled to be integrated, a plurality of narrow guide surfaces 41a with which the pachinko balls abut while moving are formed. It is formed on both sides and has a recess 44a or 44b
And due to the recesses in the other adjacent elements,
The ball guide member of the present invention can be easily manufactured so that the space 42 for discharging foreign matter shown in (A) is formed.

[0016]

The sprocket type doffing device of the present invention is
Since the guide surface with which the pachinko ball abuts while moving has a space for discharging foreign matter on its side, foreign matter such as the foreign matter that has been mixed in is easily discharged and the sprocket teeth are damaged as described above. In addition to the effects of avoiding defects, facilitating maintenance of the doffing device, and reducing damage to the bead circulation path after the doffing device, a guide member element with a simple shape can be used. There is an excellent effect that the device itself can be easily manufactured. Therefore, the present invention has an extremely great industrial value as a sprocket-type ball lifting device that solves the conventional problems.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of components for explaining the overall configuration of the present invention.

2A and 2B are perspective views of a main part showing a guide member element of the present invention.

FIG. 3 is an elevation view of a main part of a pachinko machine installation island for explaining a ball circulation path.

FIG. 4 is a sectional view for explaining the basic principle of a sprocket-type doffing device.

[Explanation of symbols]

3 sprocket, 31 ball receiving part row, 4 ball guide member, 40 guide member element, 41 guide surface, 4
1a narrow guide surface, 42 space, 43a, 43b thick portion, 44a, 44b recess, 51 motor plate,
52 front plate, 53 motor, 54 drive shaft, 6 upper cover, 61 inlet guide member, 62 anti-back member.

Claims (2)

(57) [Claims] Number of balls receiving portion 1. A peripheral portion is formed by provided adjacent
While the pachinko balls are housed between the sprocket with multiple rows of ball receiving sections and the ball guide member with the arc-shaped guide surface, the sprocket is rotated and the pachinko balls are sequentially sent out upward. In the sprocket-type ball lifting device, the ball guide member is provided with a plurality of rows of narrow guide surfaces against which the pachinko balls abut while moving,
A sprocket-type doffing device is characterized in that a space for discharging foreign matter is provided in parallel on both sides thereof. 2. The ball guide member is formed by closely assembling and integrating a plurality of guide member elements, and the guide member element has a circular arc shape in which a pachinko ball abuts on its upper surface. Forming a narrow guide surface of
The sprocket-type doffing apparatus according to claim 1, wherein the thickness of both side surfaces is partially thin.