JPH0810430A - Lift type grinder for game ball - Google Patents

Abstract

PURPOSE:To enable smooth rotation with a hoisting belt kept from contacting a fixed cover by forming a guide groove matching with the width of the hoisting belt at least at one point among an upper roller, a lower roller and a guide roller. CONSTITUTION:Game balls Y flowing down from an inlet 4 flow in between an induction member 20 and a lower roller 6 to press the induction member 20 downward while being grasped between the member and the lower roller 6 by one at a time by a resilience of an elastic body 25 so that they rises while being turned sliding with a soft material 15 having a low friction resistance. The game balls Y are carried upward being turned sliding with the soft material 15 likewise on a lifting surface of a hoisting belt 10 and discharged while being ground from a discharge port 3. The game balls Y fed are grasped one at a time with th elastic body 25 pressing the induction member 20 hence avoiding overlapping of the game balls Y. Zigzagging of the hoisting belt 10 is blocked with the lower roller 6 and a guide groove formed on a guide roller 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention collects game balls discharged from a large number of game machines installed in a pachinko game arcade and pumps them to a supply path connected to a prize ball tank provided at the top of the game machine. While it is an up-and-down polishing device that polishes a game ball.

[0002]

2. Description of the Related Art Conventionally, as a lifting and lowering type polishing apparatus for a game ball,
There is Japanese Patent Application No. 5-28643 filed by the present applicant. According to the invention of this application, a lifting belt is hung on an upper roller and a lower roller and rotated, and a soft material is provided facing a rising surface of the lifting belt, and a game ball is rotated and slid between the flexible members. At this time, it is polished with a soft material.

[0003]

In the structure of the polishing apparatus having the above structure, the tension of the lifting belt is adjusted,
In some cases, the driver may not be able to drive properly when snaking and hitting the cover. In addition, foreign substances such as screws are conveyed along with the game balls to be sent. If the foreign matter is applied to the polishing apparatus together with the foreign matter, troubles such as damage to the soft material occur. In view of the above, the present invention provides an elevating and lowering type polishing apparatus for a game ball which solves the above problem.

[0004]

According to a first aspect of the present invention, there is provided an elevating and lowering type polishing apparatus for a game ball, wherein at least one of an upper roller, a lower roller and a guide roller has a guide groove corresponding to the width of the lifting belt. is there. Further, in the game ball elevating / lowering polishing apparatus according to claim 2, the guide groove is formed on the back surface of the lifting belt, and the guide groove that matches the guide groove is formed on at least one of the upper roller, the lower roller and the guide roller. To do. According to a third aspect of the present invention, there is provided an elevating and lowering type polishing apparatus for a game ball, comprising a punching plate having a hole diameter larger than a diameter of the game ball at an upper portion of the game ball at an entrance portion and a grid having a gap smaller than a diameter of the game ball at a lower portion. Equipment is to be installed.

[0005]

[Function] The game ball is sandwiched between the lifting belt and the soft material layer,
The game ball is rotatably slid and lifted, and the game ball is polished with the soft material layer when it is slid and slid. At this time, the lifting belt is prevented from meandering due to the guide groove that matches the width of the lifting belt in at least one of the upper roller, the lower roller, and the guide roller.
It becomes possible to rotate smoothly. According to the second aspect of the present invention, the belt is rotated through the guide groove that matches the guide groove of the lifting belt, so that the lifting belt can rotate without meandering (rolling). In addition, the foreign matter removing device installed at the entrance of the game ball removes foreign matter larger than the game ball by being prohibited from falling by the punching plate, and also removes foreign matter smaller than the game ball by dropping the punching plate and the grid. .

[0006]

【Example】

(Embodiment 1) A lifting and lowering type polishing apparatus 1 for a game ball according to the present invention will be described with reference to the drawings. FIG. 1 is an overall perspective view with an open / close cover 2a opened, FIG. 2 is a front sectional view, and FIG. A in FIG.
4 is a cross-sectional view of FIG. 2A to FIG. Reference numeral 5 denotes an upper roller, and 6 denotes a lower roller. A lifting belt 10 having a flat back surface is stretched between the rollers 5 and 6, and guide rollers 7 are arranged at appropriate intervals. Rotating through 14. Reference numeral 8 denotes a belt tension adjusting roller, which is a bolt 9a and a nut 9 attached to the support frame 11.
Adjust via b. The rollers 5, 6, the lifting belt 1
Numerals 0 and the like are covered with an opening / closing cover 2a and a fixed cover 2b, and a trumpet-shaped outlet 3 for game balls is formed at an upper portion, and an inlet 4 for game balls is formed at a lower portion. The opening / closing cover 2a has a U-shaped cross section, and has a length corresponding to the rising surface of the lifting belt 10 and can be opened and closed via a hinge 2c.
a and closed with a hook 2d. or,
Inside the opening / closing cover 2a, a detachable frame 12 having a U-shaped cross section is fixed with a double-sided tape 13 or the like.
A flexible material 15 is attached inside. In addition, this soft material 1
Reference numeral 5 is made of natural rubber or synthetic rubber such as polyester or urethane so as to have elasticity. Further, the frame 12 may be fixed to the opening / closing cover 2a and may be formed on the back surface of the flexible material 15 so as to be attachable / detachable with a double-sided tape 13 or the like. Is also good. The guide roller 7 is provided with projecting portions 7a at both ends so as to match the width of the lifting belt 10 so that the guide groove 7b is formed.
To prevent meandering (rolling) of the lifting belt 10 (FIG. 4).

A guide member 20 is attached to the lower part of the lower roller 6 so as to be rotatable about a shaft 21 provided on the support frame 11 along the outer peripheral shape of the lower roller 6. The guide member 20 is formed by attaching a flexible material 15 made of natural rubber or synthetic rubber such as polyester or urethane to the inner peripheral surface of a thin plate-shaped frame 20a. A stop plate 23 is formed horizontally on a support 22 provided on the outer periphery of the guide member 20, and a support rod 24 a into which the elastic body 25 is inserted.
The guide member 20 is constantly pressed to the lower roller 6 side by the elastic body 25 so as to face the support rod 24b erected on the support frame 11 with a gap 26 therebetween. The elastic body 25 is selected to have such strength that one game ball can be pinched between the lower roller 6 and the stop plate 2.
The lower limit of the movement of the guide member 20 is configured to be adjustable via a bolt 27 and a pair of nuts 28 that are inserted through 3 to prevent the game balls Y from being sent in an overlapping manner. Further, as shown in FIG. 3, the lower roller 6 has guide grooves 6b formed with projecting portions 6a at both ends so as to match the width of the lifting belt 10, thereby preventing the lifting belt 10 from meandering.

Explaining the operation of the elevating type polishing apparatus having the above construction, a large number of game balls Y flowing down from the inlet 4 flow between the guide member 20 and the lower roller 6. Then, the game ball Y that has flowed in presses the guide member 20 downward, but the elastic material 25 is elastically sandwiched between the lower roller 6 and the flexible roller 15 with low frictional resistance. It rises while sliding and rotating. Similarly, the game ball Y is also conveyed on the rising surface of the lifting belt 10 while slidingly rotating with the soft material 15, and is discharged from the discharge port 3 in a polished state. A large number of game balls Y thrown in from the entrance 4 are pinched one by one by the elastic body 25 pressing the guide member 20, and the guide member 20 is
Since the support 22 is adjusted to a position corresponding to the position 8, the lowering is prevented, so that the game balls Y are discharged to the rising surface of the lifting belt 10 while avoiding the overlapping state. Further, the lifting belt 10 can be smoothly rotated without being meandered by the guide groove 6b formed in the lower roller 6 and the guide groove 7b formed in the guide roller 7 and hitting the fixed cover 2b.

The guide groove may be formed in the upper roller 5 in addition to the lower roller 6 and the guide roller 7, and the guide grooves are formed in all the rollers in consideration of the length of the lifting belt 10, and the like. It may be configured to form a groove, or may be configured to be provided at any one location.
The back surface of the lifting belt 10 may be flat, uneven, corrugated, or the like. When the flexible material 15 becomes dirty,
Since the open / close cover 2a is opened, the frame 12 is removed, and a new frame 12 is attached with a double-sided tape or the like, the dirty flexible material 15 can be easily replaced. Also, the frame 12
Can be fixed to the opening / closing cover 2a, and the flexible member 15 can be attached to the frame 12 via a double-sided tape.
In this case, the dirty soft material 15 is more economical because only the soft material 15 needs to be replaced.

(Embodiment 2) This embodiment will be described with reference to FIG. 5 showing a front cross section, FIG. 6 showing a C-C cross section of FIG. 5, and FIG. 7 showing a D-D cross section of FIG. As will be described, since the configuration is almost the same as that of the first embodiment, the same components are denoted by the same reference numerals,
The different points will be described. The lifting belt 10 (made of, for example, urethane rubber, neoprene rubber, natural rubber, etc.) used in the present embodiment has a low elasticity, and is used in the first embodiment.
In contrast to this, the belt tension adjusting roller is omitted. Further, the lifting belt 10 is used in which three guide grooves 10a having irregularities are formed on the back surface thereof. On the other hand, a guide groove 6b that matches the guide groove 10a is formed on the outer periphery of the lower roller 6 (FIG. 6). By using the lifting belt 10 with the guide groove 10a formed in this manner, meandering of the lifting belt 10 is prevented, and smooth rotation becomes possible.
In addition, by selecting a material with little elasticity for the material of the lifting belt 10, the belt can be configured without having a tension adjusting mechanism.

Incidentally, the number of guide grooves 10a formed on the back surface of the lifting belt 10 is arbitrary. Further, similarly to the first embodiment, the guide groove may be formed in the upper roller 5 in addition to the lower roller 6 and the guide roller 7. The guide groove may be formed on the roller, or may be provided at any one of the rollers.

The up-and-down type polishing apparatus for a game ball according to this embodiment has a game ball entrance 4 guided to a lower portion of a lower roller 6 as shown in FIG.
A foreign matter removing device 30 shown in (perspective view) is installed.
In the foreign matter removing device 30, a punching plate 32 having a hole 32a having a hole diameter (20 mm) larger than the diameter of the game ball is attached to the upper stage, and a gap (about 8.5 mm) smaller than the diameter of the game ball is attached to the lower stage. Thus, the lattice 33a is composed of the arrayed boards 33. Then, the game balls discharged from each of the pachinko machines (not shown) are sent to the entrance portion 34 and first pass through the punching plate 32, but foreign matters larger than the diameter of the holes 32a remain on the punching plate 32 and are removed. You. On the other hand, the foreign matter that passes through the punching plate 32 is dropped from between the blades 33 and removed. By providing such a simple foreign object removing device for a game ball, breakage of a flexible material or the like is prevented.

[0013]

In order to prevent the lifting belt from meandering, the game ball lifting and lowering polishing apparatus of the present invention forms a guide groove in the lower roller or the like, or forms a guide groove on the back surface of the lifting belt. Therefore, smooth rotation is possible without hitting the fixed cover.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a lifting and lowering type polishing apparatus for a game ball with an open / close cover in an open state.

FIG. 2 is a front sectional view of an elevating and lowering type polishing apparatus for a game ball according to the first embodiment.

FIG. 3 is a sectional view taken along line AA of FIG.

4 is a sectional view taken along line BB of FIG.

FIG. 5 is a front sectional view of an elevating and lowering type polishing apparatus for a game ball according to a second embodiment.

FIG. 6 is a sectional view taken along the line CC of FIG. 5;

7 is a sectional view taken along line D-D in FIG.

FIG. 8 is a perspective view of a foreign matter removing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Elevating type polishing apparatus 2a Opening / closing cover 2b Fixed cover 3 Discharge port 4 Inlet 5 Upper roller 6 Lower roller 6b Guide groove 7 Guide roller 7b Guide groove 10 Lifting belt 10a Guide groove 12 Frame 15 Flexible material 20 Guide member 25 Elastic body

Claims (3)

[Claims] 1. A lifting belt stretched between an upper roller and a lower roller via a guide roller, and a game ball provided with a soft material for sliding the game ball facing a rising surface of the lifting belt. In a lifting and lowering type polishing apparatus, a guide groove corresponding to the width of the lifting belt is formed in at least one of the upper roller, the lower roller and the guide roller. 2. A lifting belt stretched between an upper roller and a lower roller via a guide roller, and a game ball provided with a soft material for sliding the game ball facing a rising surface of the lifting belt. In the lifting type polishing apparatus, a guide groove is formed on the back surface of the lifting belt, and a guide groove that matches the guide groove is formed in at least one of the upper roller, the lower roller, and the guide roller. Elevating polishing device for game balls. 3. At the entrance of the game ball guided to the lower part of the lower roller, in a game ball elevating and lowering polishing device having a foreign matter removing device installed, a punching plate having a hole diameter larger than the diameter of the game ball is provided in the upper stage, and a game ball is provided in the lower stage. An up-and-down polishing device for a game ball, wherein a foreign substance removing device configured by a lattice having a spacing smaller than the diameter is installed.