JPH11207009A - Pachinko ball sending-up device with tension adjusting mechanism of sending-up belt - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily adjust the tension of a belt while keeping the rotating orbit width of the belt to be constant by forming the width of one roller of a pachinko ball send-up cylinder larger than the rotating width of the other roller and arranging a position-adjustable width adjusting roller in the neighborhood of the wide-width roller. SOLUTION: Relating to the ball sending-up device obtained by winding a rolling belt 7 across between the rollers 5 and 6 supported by the upper/lower parts of a vertically long sending-up cylinder extending from the lower part of a pachinko island to above a pachinko machine, the rotating width of the lower roller 6 is formed larger than the rotating width of the upper roller 5. In addition the width adjusting roller 14 keeping the rotating orbit width of the belt 7 by being engaged with the outer peripheral surface of the belt 7 is arranged over the roller 6. The rotary shaft position of this roller 14 is provided in the state of being parallelly movable along the shaft direction of the send-up width by engaging the spindle 15 of the roller 14 with a vertically guiding slit, to adjust the tension of the belt while keeping the rotation orbit width of the belt 7 to be constant.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko ball lifting device which is installed on an island of a pachinko hall and lifts pachinko balls flowing from a ball collecting gutter of the island above the island. The present invention relates to a pachinko ball lifting device including a tension adjusting mechanism for a feeding belt.

[0002]

BACKGROUND OF THE INVENTION In this type of pachinko ball lifting device, a pair of upper and lower rollers having an endless belt stretched over a lifting cylinder extending above and below an island are installed and received from a lower ball receiving portion. A pachinko ball that has been clamped between a ball guide and a belt of a lifting cylinder and rolled by a belt that rotates upward to lift the ball while discharging it to an upper discharge port is known. ing.

[0003]

In the conventional apparatus, a lower roller having a wide rotation width is used in order to keep the rotation width of the belt rotating between the upper and lower rollers in parallel and to fit the belt within the lifting cylinder. A width adjustment roller is provided nearby. However, since the width adjustment roller has a fixed bearing position, it has only a width holding function, and therefore cannot adjust the belt tension. Therefore, in order to adjust the tension of the belt, it is necessary to separately provide a tension adjusting means on the upper and lower rollers.

Further, in this type of lifting device, a polishing sheet is interposed in a part of a ball contact surface of a ball guide, and the ball is rolled along the surface of the polishing sheet to lift the ball while polishing. There is something to do. In such a ball lifting device, a large number of convex springs press against the back side of the ball guide in order to bring the polishing sheet into elastic contact with the ball. However, since the elasticity of the convex spring is not flat but localized, the uniform elasticity cannot be given to the entire surface of the ball guide. There is play in the guide. In addition, the convex spring increases the cost.

Accordingly, a first object of the present invention is to make it possible to adjust the belt tension by using a roller that keeps the width of the rotation orbit of the belt rotating between the upper and lower rollers of the lifting cylinder constant. An object of the present invention is to provide a pachinko ball lifting device.

A second object of the present invention is to provide the above-described lifting apparatus in which a polishing sheet is laid on a part of a ball guide, and a uniform elastic force is applied to the entire back surface of the ball guide on which the polishing sheet is laid. Is to do so.

[0007]

In order to achieve the first object, the present invention provides a pachinko ball receiving device at a lower portion and an endless vertical feeding tube having an outlet at an upper portion. The upper and lower rollers supported by a ball rolling belt are supported, and the ball flowing from the ball receiving device is clamped between a rolling belt rotating between rollers by a driving device and a guide plate of a lifting cylinder. In a device that lifts the ball to the upper discharge port while rolling the ball, one roller of the pachinko ball lifting cylinder is
A width adjusting roller which is formed to be wider than the rotation width of the other roller and which is engaged with the outer peripheral surface of the belt and keeps the rotation track width constant near the roller having the wide rotation width is provided. In addition, a position adjusting means for moving the bearing position of the width adjusting roller while maintaining the rotation width constant is provided, and the tension of the belt is adjusted while maintaining the belt rotation path width constant. Features.

[0008] The bearing position adjusting means of the width adjusting roller,
Preferably, a guide slit formed perpendicular to the left and right side plates of the lifting cylinder and movable up and down through a support shaft of the width adjusting roller, and a plurality of width adjusting roller bearings formed along a vertical edge of the guide groove And a part.

In order to achieve the second object, the present invention provides the above-described ball lifting device, wherein the guide plate and a part of the frame plate outside the guide plate in the vertical direction can be opened and closed with respect to the lifting cylinder. The guide plate is divided into section guide plates, and an abrasive plate is detachably stretched on the ball engaging vertical side of the section guide plate, and an elastic plate having a large number of holes formed in a flat plate surface is provided on the rear side of the section guide plate. And an outer frame plate.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, a ball lifting device 1 of the present invention has a ball receiving device 2 at a lower portion, forms a ball outlet 3 at an upper portion, and extends from a lower portion of a pachinko island to an upper portion of a pachinko machine. It has a vertically long lifting cylinder 4
The endless pachinko ball rolling belt 7 is placed between the rollers 5 and 6 installed above and below the belt 7, and the driving device 8 such as a motor rotates the belt 7 between the rollers 5 and 6 in the direction of the arrow. .

A guide plate 9 having a corrugated cross section for aligning and rolling balls in the longitudinal direction inside the lifting cylinder 4 is fixed to face the upper turning surface of the rolling belt 7 and fixed. The pachinko ball introduced from the ball receiving device 2 below the lifting cylinder 4 is clamped between the belt 7 and the guide plate 9, and the ball is rolled up along the guide plate 9 by the upward rotation of the belt 7 to move the ball upward. From the discharge port 3 to a supply gutter (not shown) above the pachinko island.

As shown in FIG. 3, the guide plate 9 has a plurality of rows of longitudinal grooves 1 for rolling the pachinko balls 10 in a row.
1 are formed in parallel, and the vertical groove 11 is formed to a depth that receives a part of the ball and partially protrudes out of the groove. Further, the guide plate 9 is connected to a groove plate 12 constituting a ball introduction path from the ball receiving device 2, and thus the groove 13 of the groove plate 12 communicates with the vertical groove 11 of the guide plate 9. ing.

In the pachinko ball lifting device 1 of the present invention, as shown in FIGS. 1 to 3, the rotation width of the lower roller 6 of the lifting cylinder 4 is larger than the rotation width of the upper roller 5. The belt 7 is formed to have a wide width and a belt 7
And a width adjusting roller 14 which is engaged with the outer peripheral surface of the belt 7 so as to keep the width of the rotation orbit of the belt 7 constant (parallel in the figure). The belt 7 is moved in parallel along the direction, so that the tension of the belt 7 can be adjusted while keeping the rotation track width of the belt 7 constant. In this case, the wide roller 6 is not limited to a single roller as shown in the figure, but includes a case where two or more rollers having a small diameter are used and the rotation width is substantially wider than the other roller.

FIG. 3 shows a specific example of this.
The left and right side plates 4a, 4b are formed with vertical guide slits 16 that enable vertical movement through the support shaft 15 of the width adjustment roller 14, and along the vertical edge of the vertical guide slit 16, the width adjustment roller 14 A plurality of bearing portions 17 with which the support shaft 15 is engaged are formed.

Thus, when the support shaft 15 of the width adjusting roller 14 is moved downward in accordance with the vertical guide slit 16, the tension of the belt is increased while maintaining the rotation track width, and when the belt is moved upward, the tension is relaxed. Then, the support shaft 15 is engaged with the bearing 17 at a desired stage to fix the bearing position. In the drawing, a member indicated by reference numeral 18 is a receiving member that locks the bearing position by engaging with the support shaft 15 of the width adjusting roller 14, but is not necessarily required depending on the shape of the bearing portion 17.

In the embodiment shown in FIG. 1, as shown in FIG. 1, a polishing portion 19 for polishing a pachinko ball while rolling the pachinko ball is detachably provided on a part of the guide plate 9 of the lifting cylinder 4. As shown in FIGS. 4 and 5, the polishing section 19 arranges a polishing sheet 20 made of wool and a synthetic resin material on the surface of the guide plate 9 on which the vertical groove 11 is formed. Flat plate surface 2 between plates 9
An elastic plate 22 made of urethane or the like having a large number of holes 22b formed in the hole 2a is interposed so that the guide plate 9 is uniformly pressed by the perforated elastic plate 22 having a wide flat plate surface 22b. . Thus, the pachinko ball is elastically held between the guide plate 9 and the polishing sheet 20, and the ball is lifted while being polished in the process of rolling the surface of the polishing sheet 20.

As shown in FIG. 2, the endless ball rolling belt 7 is formed integrally with continuous ridges 23 projecting from the inner peripheral surface in the circumferential direction of the inner peripheral surface. , 6 are formed with an annular concave groove 24 which engages with the ridge 23 of the belt 7 in an uneven manner, whereby the belt 7 is engaged with the ridge 23 and the groove 24 of the rollers 5 and 6. In some cases,
The rollers 5 and 6 are rotated on a fixed trajectory without deflecting left and right.

As shown in FIGS. 1 and 6, when there is a roller 25 or a plate 26 in sliding contact with the ridge 23 on the inner peripheral surface of the belt 7 between the upper and lower rollers 5, 6, these rollers 25 Annular groove 2 through which the ridges 23
4 and a longitudinal groove 27 through which the ridge 23 of the belt 7 is passed while engaging with the plate 26.

The belt 7 is made of a relatively rigid material in which a urethane sheet 7b in which a large number of chemical fiber reinforcing wires are embedded in the longitudinal direction is bonded to the inside of a synthetic leather 7a for rolling balls. For this reason, the ridges 23 are
Is preferably formed on a continuous concave and convex surface having a notch as shown in the figure so as to bend along the curved surface of.

[0020]

With the lifting device of the present invention, the bearing position of the width adjusting roller is moved in parallel with the belt so that tension is applied, so that the belt tension is adjusted while maintaining the belt rotation track width. can do. Therefore, in a pachinko ball lifting device in which it is necessary to maintain the belt rotation width at a constant parallel width in a long and narrow lifting cylinder, one member can maintain the rotation width and adjust the tension. The adjusting roller of the present invention having two functions is very reasonable.

Further, since the tension adjusting roller uses a width adjusting roller which was originally required, there is no need to separately provide a tension adjusting means, which is economical.

In a polishing section such as a lift, a resilient pressure is applied to the ball by an elastic plate having a wide flat surface, so that the ball is polished smoothly. In addition, since this elastic plate can be formed only by perforating the urethane plate, the cost is low and the durability is high.

[Brief description of the drawings]

FIG. 1 is an overall schematic view of a ball lifting device of the present invention.

FIG. 2 is an explanatory view of an internal member of the ball lifting device according to the present invention.

FIG. 3 is an explanatory diagram of a main configuration of a ball lifting device according to the present invention.

FIG. 4 is a detailed explanatory view of a polishing section in a lifting cylinder.

FIG. 5 is a sectional view taken along line AA ′ of FIG. 1;

FIG. 6 is an explanatory diagram of members inside a lifting cylinder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Ball lifting device 2 ... Ball receiving device 3 ... Discharge port 4 ... Lifting cylinder 4a, 4b ... Left and right side plate 5 ... Upper roller 6 ... Lower roller 7 ... Rolling belt 7a ... Synthetic leather 7b ... Urethane sheet 8 ... Drive Apparatus 9 Guide plate 10 Pachinko ball 11 Vertical groove 12 Groove plate 13 Groove 14 Width adjustment roller 15 Support shaft 16 Guide slit 17 Bearing part 18 Receiver 19 Polishing part 20 Polishing sheet DESCRIPTION OF SYMBOLS 21 ... Frame plate 22 ... Elastic plate 23 ... Convex ridge 24 ... Annular concave groove 25 ... Roller 26 ... Plate 27 ... Vertical groove

Claims (3)

[Claims] 1. An upper and lower roller having a pachinko ball receiving device at a lower portion thereof and an endless ball rolling belt supported above and below a vertically long lifting tube having a discharge port at an upper portion. A pachinko ball is a device in which a ball flowing from a device is clamped between a rolling belt rotating between rollers by a driving device and a guide plate of a lifting cylinder, and the ball is rolled and lifted to an upper discharge port while being rolled. One roller of the lifting cylinder is formed wider than the rotation width of the other roller, and is engaged with the outer peripheral surface of the belt near the roller with the larger rotation width to keep the rotation track width constant. Width adjustment roller
Position adjustment means for moving the bearing position of the width adjustment roller while maintaining the rotation width constant is provided, and the tension of the belt is adjusted while maintaining the rotation path width of the belt constant. Pachinko ball lifting equipment 2. The bearing position adjusting means of the width adjusting roller,
A guide slit formed perpendicularly to the left and right side plates of the lifting cylinder and capable of moving up and down through a support shaft of the width adjusting roller; and a plurality of width adjusting roller bearings formed along a vertical edge of the guide groove; The pachinko ball lifting device according to claim 1, further comprising: 3. A vertical part of the guide plate and a frame plate outside the guide plate is divided into a divided guide plate which can be opened and closed with respect to the lifting cylinder. 3. An elastic plate having a flat plate surface and a large number of holes perforated therein, and an elastic plate having a plurality of holes perforated therebetween is interposed between a rear side of the section guide plate and an outer frame plate. Or the pachinko ball lifting device according to 3.