JPH08309013A - Roller shaft supporting structure for game ball sending device - Google Patents

Abstract

PURPOSE: To provide a roller shaft supporting structure for a game ball sending device capable of easily exchanging a sending belt as maintaining both bearing structure. CONSTITUTION: This structure is equipped with a first shaft supporting member 30A fixed on a supporting plate 14 and which supports the shaft 20A of a roller 20, and a supporting piece 34 supported on the supporting plate 14 on the side opposite to the first shaft supporting member 30A and connected to a second shaft supporting member 32 loadably/unloadably. The sending belt 25 is dismounted from the roller 20 after the supporting piece 34 is dismounted from a base. After the sending belt 25 is wound across the roller 20, the supporting piece 34 is mounted on the base.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller shaft support structure for a game ball lifting device for supplying game balls to a predetermined height in a pachinko hall.

[0002]

2. Description of the Related Art In recent years, a pachinko machine yard (called an "island" because it is scattered in the pachinko hall) is installed in parallel in a pachinko hall, where a group of pachinko machines are installed facing outward. A game ball lifting device is used that collects and polishes the game balls discharged from each pachinko machine in the machine yard, lifts them to a predetermined height while polishing, and supplies them again to the game ball refilling path of each pachinko machine. .

Inside the pachinko machine yard, there is provided a storage tank whose bottom plate is inclined downward toward the game ball lifting device. A predetermined number of game balls are stored in advance in this storage tank in order to increase the absolute amount of game balls circulating in the pachinko machine yard, and the game balls stored in the storage tank are passages formed downstream of the storage tank. It is polished by a game ball lifting device, conveyed to the upper part of the pachinko machine yard, and returned to the storage tank again after passing through each pachinko machine.

By the way, in the lower roller shaft support structure of the game ball lifting device, both shaft support structure in which both ends of the lower roller are both supported on the base of the game ball lifting device, and only one side of the lower roller is via a bracket. There is a single shaft support structure that is supported by the base.

In this one-shaft support structure, the endless belt can be easily replaced, but in order to ensure the stability of the support of the lower roller, the bracket is required to have a high rigidity, which is expensive. Also, when a strong lifting force is applied to the lower roller, the bracket deforms and the gap between the bite chute that guides the game ball to the outer circumference of the endless belt wound around the lower roller and the outer circumference of the endless belt are not uniform, and the game ball May reduce the ability to pump.

On the other hand, in the two-shaft supporting structure, unlike the above-mentioned one-shaft supporting structure, it is possible to secure the support of the lower roller and the lifting capacity, but since both ends of the lower roller in the axial direction are closed, Replacing the endless belt was complicated.

[0007]

SUMMARY OF THE INVENTION In consideration of the above facts, the present invention aims to provide a roller shaft support structure for a game ball lifting device that facilitates replacement of an endless belt while maintaining both shaft support structures. And

[0008]

According to a first aspect of the present invention, there is provided a roller shaft support structure for a game ball lifting device, wherein an endless belt is hung between an upper roller and a lower roller arranged above and below the lifting body main body. A roller shaft support structure for supporting the lower roller, which is used in a game ball lifting device that lifts a game ball with this endless belt, supports the lifting body main body, and stands from the foundation. A first shaft support member that supports one of the roller shafts of the lower roller, and a second shaft support member that supports the other of the roller shafts and that extends downward from the lower part of the lifting body body. ,
It is characterized by having.

According to another aspect of the present invention, there is provided a roller shaft support structure for a game ball lifting device, comprising a support piece detachably attached to the second shaft support member and the foundation for supporting the second shaft support member to the foundation. The feature is that it is further equipped.

[0010]

In the invention according to claim 1, one of the roller shafts supports the main body of the lifting body, and the first shaft support member is erected from the foundation,
The other is pivotally supported by a second pivot member extending downward from the lower portion of the lifting body main body. As a result, the lower roller is in a substantially double-supported state, and both of the roller shafts are reliably and firmly supported. Further, when the endless belt is replaced, the endless belt is moved through the space between the second shaft supporting member and the foundation for replacement work.

According to the second aspect of the present invention, the load applied to the second shaft supporting member is supported by the base by attaching the support piece to the second shaft supporting member and the base. In the present invention, the endless belt can be replaced after removing the support piece.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention is shown in FIGS. FIG. 1 is an overall perspective view showing a game ball lifting device according to the present embodiment, and FIG. 2 is a partially broken front view showing a main part of a lower roller shaft support structure.

A plurality of pachinko machine yards are provided in the pachinko hall, and a large number of pachinko machines are installed toward the outside in these pachinko machine yards, and the game ball lifting device 10 shown in FIG. 1 is provided inside. It is arranged. In this game ball lifting device 10, the base 12 is fixed to the floor,
A support plate 14 as a foundation is fastened and fixed on the base 12 with bolts.

As shown in FIGS. 2 to 4, the bracket 30
The first shaft support member 30A that partially constitutes the above is fastened and fixed to the support plate 14 with a plurality of bolts 200. A top portion 30D passing through the loop of the lifting belt 25 as an endless belt is continuously formed on the upper portion of the first shaft support member 30A.

The bearing 22 is attached to the first shaft support member 30A.
One of the shafts 20A fixed to the shaft center of the lower roller 20 as a lower roller via 0 is supported. This axis 20
A snap ring 240 is fitted in A to prevent the snap ring 240 from being detached from the first shaft support member 30A. Also, the shaft 20A
A key groove 22B that fits into a pulley (not shown) is formed along the axis of the key groove 22B.

On the other hand, a shaft 20B shorter than the shaft 20A is provided so as to protrude from the shaft center of the left side surface (arrow LT side) of the lower roller 20, and the shaft 20B is supported by a support member 30B.
The support member 30B is the top portion 30 of the first shaft support member 30A.
A second shaft support member 32 extending downward from the free end side of D;
A substantially L-shaped support piece 34 for connecting the second shaft support member 32 to the support plate 14 is provided. The shaft 20 of the lower roller 20 is formed by the second shaft support member 32 and the first shaft support member 30A.
By supporting A and 20B, the lower roller 20 is supported substantially in a cantilevered manner.

The plate-shaped supporting piece 34 has a standing piece 35B which stands up at a right angle from a base piece 35A which is detachably fixed to the supporting body 14, and supports a load applied to the second shaft support member 32. Tell body 14. Further, on the shaft 20B, an engaging surface 21 that abuts and engages with the bearing 220, and a groove 22 that engages with a snap ring 240 at an axial end outside the engaging surface 21.
A is formed.

The second shaft support member 32 is provided on each of the mounting base portion 15 of the base column 50 and the top portion 30D of the first shaft support member 30A with a positioning pin 36 and a bolt 37 which are shown on only one side in FIG. Fixed. That is, the bolt holes 15B and 32B and the pin holes 15A and 32A are provided on the upper surfaces of the mounting base portion 15, the top portion 30D, and the second shaft support member 32.
Are formed corresponding to each other. This pin hole 15
The length of the pin 36 to be inserted into A and 32A is equal to that of the mounting base portion 1.
5, approximately corresponding to the thickness of the top portion 30D and the total depth of the pin holes 15A and 32A on the second shaft support member 32 side. In addition,
The pin 36 attaches the second shaft support member 32 to the attachment base 15 and the second
The positioning is performed when the shaft supporting member 30A is mounted.

A plurality of bolt holes 32C (four in total in this embodiment) are formed in the lower side wall portion of the second shaft support member 32 which overlaps with the support piece 34.
Corresponding to 2C, the same number of holes 34B are formed in the standing pieces 35B of the support pieces 34. These holes 34B and bolt holes 32
A bolt 138 having a washer 139 inserted therein is screwed into C to fasten the support piece 34 to the second shaft support member 32.

The support plate 1 is attached to the base piece 34A of the support piece 34.
The hole 34A has two holes corresponding to the bolt hole 14A formed in No.4.
The bolt holes 14A and the holes 3 are formed in several places.
A bolt 38 having a washer 39 inserted therein is screwed into 4A to fasten and fix the support piece 34 to the support plate 14.

As shown in FIG. 3, on the standing piece 35B of the support piece 34, a positioning piece 35C is provided at an end edge of the support piece 34 on the side of the second shaft support member 32 so as to project toward the side of the second shaft support member 32. Has been done.

As shown in FIGS. 1 and 5, a part of the lifting belt 25 is wound around the lower half of the lower roller 20 and folded. Below the lower roller 20, a biting chute 40 is fixed to the first shaft supporting member 30A and the second shaft supporting member 32 via a pair of L-shaped biting chute brackets 41, respectively. Covering.
A soft material (not shown) is attached to the inner peripheral surface of the bite chute 40, and slightly more than one pachinko ball (not shown) which is a game ball between the bite chute 40 and the outer circumference of the lifting belt 25 wound around the lower roller 20. It has a narrow space. As a result, a pachinko ball located behind the gaming ball lifting device 10 (in the direction of arrow RE) near the end of the biting chute 40 is guided between the lifting belt 25 and this biting chute 40 (in the direction of arrow A), and below. Along the circumferential surface of the roller 20, the game ball lifting device 10 is fed forward (in the direction of arrow FR) and upward (in the direction of arrow UP).

On the top 30D of the bracket 30, a base column 50 as a main body of the lifting body is provided upright via a mounting base 42. A bracket 44 is fixed to the lower end of the base column 50, and a motor 60 is installed. The driving force of the motor 60 is transmitted to the lower roller 20 via a V belt (not shown) in the cover 62. That is, when the motor 60 is driven, the clockwise (arrow B direction) rotational force in FIG. 1 is transmitted to the lower roller 20.

As shown in FIG. 5, a belt cover 48 having a U-shaped horizontal cross section is arranged on the rear side of the base column 50 (arrow RE side).
A part of the lifting belt 25 located on the lower rear side is covered and hidden.

The base column 50 has a U-shaped horizontal cross section, and an upper roller 46 is rotatably and horizontally supported on the upper end of the base column 50. The lifting belt 25 partially wound around the lower roller 20 has another portion wound around the upper roller 46, and circulates between the upper roller 46 and the lower roller 20. The lower roller 20 sends the upper roller 46 to the upper roller 46.
The surface portion of the lifting belt 25 reaching to becomes a lifting path for pachinko balls.

The base column 50 has a plurality of guide rollers 28 in the upper and lower intermediate portions, the axes thereof being horizontal, and the lower roller 20 and the upper roller 46.
It is axially supported in parallel at a predetermined interval. The peripheral surfaces of these guide rollers 28 protrude from the windows formed in the base column 50,
It prevents the intermediate portion of the lifting belt 25 from bending backward (in the direction of the arrow RE) by coming into contact with the rear surface of the lifting belt 25 to be lifted,
In addition to smoothing the movement of the lifting belt 25, the interval between the flexible elastic body 71 or the polishing cloth 90 and the lifting belt 25 is made constant to ensure the lifting of the pachinko balls.

At the upper end of the base column 50, a discharge chute 42 covers the upper part of the upper roller via a discharge chute bracket 43. The discharge chute 42 sends the pachinko balls that have been pumped backward (in the direction of the arrow RE), so that the spacing between the lifting chute 25 and the lifting belt 25 is slightly narrower than that of one pachinko ball. Has been done.

In front of the base column 50 (in the direction of the arrow FR), upper and lower doors 66, 68 are arranged so as to be openable and closable via a hinge for insertion and removal. A plurality of vertical shaft-shaped support portions (not shown) forming one of the hinges are vertically fixed at a predetermined interval at one lateral end of the base column 50 with the axis center vertical. Further, each of the upper and lower doors 66 and 68 has a U-shaped configuration in which both side ends are bent at a right angle in a horizontal sectional shape to form side plates 67A and 67B, and one side plate 67A has a hinge at the position corresponding to the support portion. The cylindrical portion 65B shown in FIG. 5 that constitutes the above is fixed with the axis center vertical. That is, the upper and lower doors 66 and 68 rotate by the cylindrical portion 65B being pivotally supported by the support portion 65A, so that the lifting belt 25 can pass through the lifting path for pachinko balls.
It is located on the opposite side to and is rotatably arranged from a state in which the lifting path is closed (a state in FIG. 1) to a state in which it is opened.

As shown in FIG. 5, a flexible elastic body 71 is arranged inside the upper door 66, and a polishing cloth 90 is arranged inside the lower door 68. The flexible elastic body 71 and the polishing cloth 90 are arranged on the upper and lower doors 66, 66. , 68 are opposed to the lifting belt 25 in the closed state. That is, the flexible elastic body 71 and the polishing cloth 90 are
In the closed state of the feeding passages 6 and 68 (state of FIG. 1), the upper and lower doors 66 and 68 face the feeding belt 25 on the feeding passage side,
The pachinko ball is sandwiched between the lifting belt 25 and the lifting belt 25, and the lifting force is applied to the pachinko ball.

The door has a two-tier structure so that the polishing cloth 90 can be easily exchanged so that an ordinary adult can reach the upper end of the polishing cloth 90 without using a stepladder or the like. It was done. That is, since the height of the game ball lifting device 10 is set in advance so that the pachinko balls can be conveyed above the pachinko machine yard and flow down naturally, the vertical height of the door becomes considerably high. . Therefore, the polishing cloth 9
A length of 0 (the length of the lower door 68 in the vertical direction) can be reached at the upper end without a normal adult using a stepladder, and
Limit the pachinko balls to a level where they can be sufficiently polished while pumping them out.
2. A flexible elastic body 71 for sending the ball to the pachinko ball, that is, sandwiching the pachinko ball with the lifting belt 25 and giving a lifting force to the pachinko ball.
The door has a two-tiered structure in order to correspond to these. Since the flexible elastic body 71 imparts the lifting force to the pachinko balls as described above, the number of times of replacement is smaller than that of the polishing cloth 90.

Further, the upper and lower doors 66 and 68 have hinges 65.
On a side plate 67B opposite to B, a plurality of substantially L-shaped hook portions 85A constituting one of the fasteners for holding the upper and lower doors 66 and 68 in a closed state are vertically arranged. On the other hand, the base pillar 50 has stoppers 85B that constitute the other fastener at positions corresponding to the hooks 85A, respectively. By locking the hooks 85A, the upper and lower doors 66, 68 are closed. Hold. In order to maintain the closed state of the upper and lower doors 66 and 68, various kinds of fasteners can be applied in addition to the fasteners having the above configuration.

Side plates 67 are provided on both sides of the inside of the back surface of the lower door 68.
Two guide rails (not shown) for guiding the insertion of the polishing cloth 90 are arranged near A and 67B, respectively. A pocket-shaped hooking portion 92 is formed at the lower end of the polishing cloth 90. The hooking portion 92 is formed by sewing both ends in the width direction of the polishing cloth 90 with a sewing thread in a state where the lower end of the polishing cloth 90 is bent. Lower door 68
Notches are formed at both ends in the width direction of the lower end of the lower door 68, and the lower end portion of the lower door 68 between the notches 77 serves as a projecting piece. As shown in FIG. 1, the polishing cloth 90 covers the projection 92 with the hook portion 92 so that the lower end side of the polishing cloth 90 is locked to the lower door 68.

A stopper 96 is arranged outside the upper end of the lower door 68. This stopper 96 is a lower door 68.
It is a plate material having a U-shaped horizontal cross section so as to cover the outside of the plate, and a pair of bolts 96B are fixed by being screwed into the lower door 68 through both ends of the stopper 96. That is,
The upper end portion 95 is folded back at the upper end of the lower door 68 while the hook portion 92 is hooked on the lower door 68, and is clamped between the stopper 96 and the lower door 68 to be fixed. Therefore, the length of the polishing cloth 90 is set to be slightly longer than the length of the lower door 68 in the vertical direction.

Next, the attachment / detachment of the lifting belt 25 of this embodiment at the time of replacement will be described. As shown in FIG. 5, for example, after removing the upper and lower doors 66 and 68, the bite chute 40 and the belt cover 48 are removed. After the discharge chute cover 43 is removed from the base column 50, the vertical position adjusting bolt 250 of the upper roller 46 is screwed in by using the square hole of the jig 300, and the position of the upper roller 46 is moved downward to be lifted. The tension of the belt 25 is weakened. The order of removing the above-mentioned components is not limited to the order described above, and the parts may be removed from any order.

As shown in FIG. 4, the shaft 20 of the lower roller 20.
The snap ring 240 is removed from the B groove 22A. In this case, it is not necessary to remove the snap ring 240 on the shaft 20A side of the lower roller 20, and the pulley cover 62,
It is not necessary to remove a pulley or the like (not shown).

After removing the bolts 38 and the bolts 138 fastening the support piece 34 to the support plate 14, the support piece 34 is moved from the shaft 20B of the lower roller 20 in the direction opposite to the arrow R direction in FIG. Pull out. Further, as shown in FIG. 5, the bite chute bracket 41 on the second shaft support member 32 side is removed. In addition, the second shaft support member 32 and the mounting base 1
It is not necessary to remove the bolt 37 that fastens 5 and the pin 36 that is inserted into the holes 15A and 32A.

The lower end of the lifting belt 25 whose tension is weakened as described above is moved in the direction opposite to the arrow R direction in FIG. 4 to remove it from the lower roller 20, and then the upper end of the lifting belt 25 is lifted up. By removing it from the roller 46,
As shown by the dotted line, the lifting belt 25 is removed.

In order to install the repaired or new lifting belt 25, the above procedure is reversed. More specifically, the upper end of the lifting belt 25 in the state shown by the broken line in FIG. 5 is wound around the upper roller 46, and the lower end of the lifting belt 25 is moved in the direction of arrow R in FIG. . After this winding, the support piece 34 is attached. That is, as shown in FIG. 4, the support piece 34 is moved in the direction of arrow R in FIG.
The support piece 34 is fastened to the support plates 14 and 32 at 8,138. After this fastening, the snap ring 240 is attached to the lower roller 2
The bite chute bracket 41 is attached to the second shaft support member 32 while being fitted in the groove 22A of the shaft 0B of 0.

The jig 300 shown in FIG. 5 is used to rotate the vertical position adjusting bolt 250 to adjust the tension of the lifting belt 25 so that there is no slack, and then the belt cover 48, the discharge chute cover 43, and the bite chute. 40, upper and lower doors 66, 68 are attached.

Therefore, in this embodiment, the support piece 34
Is detachably connected to the second shaft support member 32 and the support plate 14, so that the lifting belt 25 can be easily replaced by only attaching and detaching the support piece 34. Further, in the present embodiment, since the double shaft supporting structure in which the shafts 20A and 20B of the lower roller 20 are supported by the first shaft supporting member 30A and the second shaft supporting member 32 is maintained, the conventional single shaft supporting structure is used. Unlike the above, it enables high-performance hoisting and improves the life or reliability of each component for supporting the lower roller 20. Further, in this embodiment, since the support piece 34 is connected to the support plate 14, the second shaft support member 32 and thus the lower roller 20 can be stably supported.

Although the supporting piece 34 is detachably arranged in the above embodiment, the present invention can be applied to the case where the supporting piece 34 is not provided. In this case, since it is not necessary to attach and detach the support piece 34, the lifting belt 25 can be replaced more easily.

After replacing the lifting belt 25, the motor 6
By driving 0, the lower roller 20 rotates in the clockwise direction to lift the pachinko balls into the feeding belt 25 and the bite chute 4
It is drawn in between 0 and sent to the front and upper sides of the game ball lifting device 10. That is, the pachinko balls are sandwiched between the lifting belt 25 and the polishing cloth 90, and are transported while being polished (sliding rotation) by the polishing cloth 90.

Further, as shown in FIG. 5, when the pachinko balls are lifted up to the flexible elastic body 71, the pachinko balls are sandwiched and lifted by the lifting belt 25 and the flexible elastic body 71, and the discharge chute 42. Emitted from.

[0044]

Since the present invention has the above-mentioned structure, the endless belt can be easily attached and detached while maintaining the both-shaft support structure.

[Brief description of drawings]

FIG. 1 is a perspective view showing a game ball lifting device according to an embodiment.

FIG. 2 is a partially cutaway front view showing a main part of a roller shaft support structure according to the present embodiment.

FIG. 3 is an exploded perspective view showing a roller shaft support structure according to the present embodiment.

FIG. 4 is an exploded front view showing the roller shaft support structure in a detached state of the lifting belt according to the present embodiment.

FIG. 5 is an exploded perspective view showing a detached state of the lifting belt according to the present embodiment.

[Explanation of symbols]

 10 Game Ball Lifting Device 12 Base 14 Support Plate (Foundation) 20 Lower Roller (Lower Roller) 20A, 20B Lower Roller Shaft 25 Lifting Belt (Endless Belt) 30A First Shaft Support Member 32 Second Shaft Support Member 34 Support 50 base columns (lifting body)

Claims (2)

[Claims] 1. A game ball lifting device for hanging a endless belt between an upper roller and a lower roller arranged above and below the main body of the lifting body, and for lifting a game ball with the endless belt, A roller shaft supporting structure for supporting the lower roller, comprising: a first shaft supporting member that supports the lifting body main body and that supports one of the roller shafts of the lower roller and that stands upright from a foundation; A second shaft support member that supports the other one of the roller shafts and extends downward from the lower portion of the lifting body main body, and a roller shaft support structure for a game ball lifting device. 2. The game ball according to claim 1, further comprising a support piece detachably attached to the second shaft support member and the foundation to support the second shaft support member to the foundation. Roller shaft support structure for the lifting device.