JP3054599B2 - A guide roller attaching / detaching device in the polishing belt tension mechanism of a pachinko ball polishing reduction machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing reduction machine which dries recovered pachinko balls to an upper distribution box or the like while polishing them with a polishing belt, and attaches and detaches a guide roller of a tension mechanism so that the polishing belt can be easily replaced. The present invention relates to a device provided freely.

[0002]

2. Description of the Related Art When exchanging a polishing belt, it is necessary to remove guide rollers positioned above and below a tension roller to loosen the tension of the polishing belt. Conventionally, each guide roller has been removed alone. It was extremely troublesome work. In order to simplify the work, there is a type in which each guide roller is rotated and displaced from the polishing belt, but according to this, one end side of the guide roller is fixed, so that the guide roller necessary for tension adjustment is required. Even if a vertical movement adjusting mechanism for raising and lowering the guide roller is provided, the guide roller cannot move up and down in parallel, and the guide roller is displaced in an inclined manner, so that the tension cannot be uniformly adjusted.

[0003]

SUMMARY OF THE INVENTION Therefore, according to the present invention, the upper and lower guide rollers can be integrally attached and detached to facilitate replacement of the polishing belt, and the upper guide rollers can be adjusted up and down in parallel to provide a good tension state of the polishing belt. And a guide roller attaching / detaching device capable of holding the guide roller. Further, when the tension roller is effectively moved and urged by a tension spring, the removal of the polishing belt from the tension roller can be easily performed.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention is directed to a pachinko ball polishing and reduction machine, in which a polishing belt is hung outside a tension roller arranged to be urged and protruded in the direction of tension of the polishing belt. In a polishing belt tension mechanism that adjusts the tension of the polishing belt by applying a polishing belt to the inside of guide rollers disposed above and below the substrate, a tension roller is provided on a substrate attached to the lower part of the polishing reduction machine, and the upper and lower guide rollers are placed on both sides. In addition to providing a guide roller holder that is integrally supported by the above, the upper guide roller is mounted so as to be able to move up and down, and a mounting portion that can be attached to and detached from the substrate is provided in the guide roller holder, and vertical movement adjustment that moves the upper guide roller vertically A guide in a polishing belt tension mechanism of a pachinko ball polishing reduction machine having a mechanism with a guide roller holder Roller is detachable device. In addition,
A locking piece that can be inserted and locked into the locking hole connected to the board is projected from the back of the guide roller holder, and a screw hole that can be screwed with the board is attached to the guide roller holder as a mounting part with the board. Many are good. Further, the tension roller is movably arranged in the tension direction by inserting both ends of the support shaft of the tension roller into the pins protruding from the substrate, and the spring receiving pieces are fixed to the tips of the pins, respectively. A connecting piece connected to the spring receiving piece is provided so as to be detachable from one of the spring receiving pieces, and the tension roller is moved and biased by interposing a tension spring between each spring receiving piece and the supporting shaft. Good.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to illustrated embodiments. FIG. 1 shows a pachinko ball polishing and reduction apparatus using the present embodiment. Pachinko balls are collected from a take-off box and supplied to the lower end of the pachinko ball, and are polished while passing between a polishing belt and a guide. It is fried in a distribution box.

This embodiment is a device for attaching and detaching a guide roller in a tension mechanism of a polishing belt, and is shown in FIGS.
And a guide roller holder 5 having upper and lower guide rollers 4 integrally supported by both side pieces 50 as shown in FIG.

[0007] As shown in FIG. 4, the screw 82 is inserted into the substrate 2 by aligning the screw insertion hole 21 provided in the back plate portion 20 thereof with the screw insertion hole 81 of the mounting plate 8 attached to the lower portion of the body of the reduction machine A. Then, it is screwed with a nut 83 and fixed to the mounting plate 8.
A drive roller 3 rotated by a motor 30 is provided at a lower end of the substrate 2, and a bearing plate 23 of the drive roller 3 is placed on a support 9 at a lower end of the body.

A pair of pins 24 are protruded from the substrate 2, and both ends of the support shaft 10 of the tension roller 1 are inserted through the pins 24 so that the tension roller 1 is disposed so as to be movable in the tension direction. 24 each has a spring receiving piece 2
5 is fixed with a nut. Further, one spring receiving piece 2
5, and one end of a connecting piece 26 is screwed to the other spring receiving piece 25 with a wing nut 27 for easy screwing. The tension roller 1 is always urged outward with the tension spring 12 interposed between each spring receiving piece 25 and the support shaft 10.

The guide roller holding body 5 is configured to hold the lower guide roller 4 at a predetermined position by both side pieces 50 and to hold the upper guide roller 4 via a vertical movement adjusting mechanism.
That is, the upper guide roller 4 is, as shown in FIGS.
The flat portions at both ends thereof are fixed to rods 43 projecting from the vertically long holes 52 of both side pieces 50 with screws 44, and the rods 43 are screwed to screw feed screws 41 provided on both side pieces 50 to be screw-fed and raised and lowered. 42. Therefore, the rotation of the knob 410 of the screw feed screw 41 causes the lifting member 4
2 serves as a vertical movement adjusting mechanism that moves up and down, and has the same configuration as that of the related art.

Further, both side plates 50 of the guide roller holder 5 are provided.
A screw insertion hole 54 is provided at a substantially central portion of each of the bent portions 53 in which the bent pieces 53 face inward. For this reason, the screw insertion holes 28 and 85 are provided through the back plate portion 20 and the mounting plate 8 of the substrate 2 that are in contact with the screw insertion holes 54. Further, locking pieces 56 project from the lower ends of both side plates 50 of the guide roller holding body 5, so that locking holes 29 penetrated through the substrate 2 are provided.
So that it can be inserted and locked. Reference numeral 58 denotes a grip bar.

Accordingly, the mounting plate 8 is fixed to the substrate 2 with the screws 82.
4, the locking pieces 56 of the side plates 50 are first inserted into and locked in the locking holes 29 of the board 2 and the screw insertion holes 54 of the bent pieces 53 are inserted into the back of the board 2 as shown in FIG. Plate 20
The guide roller holder 5 can be fixed to the substrate 2 by screwing the screw 55 inserted and inserted into the screw insertion holes 28 and 85 of the mounting plate 8 with the wing nut 57.

As a result, the guide rollers 4 are arranged above and below the tension roller 1 which is arranged to be urged and protruded in the tension direction of the polishing belt 6, and the polishing belt 6 is hung on the outside of the tension roller 1 as in the prior art. And a polishing belt is hung inside the guide roller 4 respectively. Thus, the polishing belt 6 is stretched by the tension of the tension roller 1 by the spring 12. Also,
When the tension of the polishing belt 6 is further adjusted, the knob 41 is used.
By turning 0, the elevating member 42 is screw-fed, and the upper guide roller 4 can be moved up and down to be adjusted.

The feature of this embodiment is that, when the polishing belt 6 is replaced, the wing nut 57 is first removed, the screw 55 is pulled out, and the gripping bar 58 is used to pull out the locking piece 56 from the locking hole 29. The guide roller holder 5 may be separated from the substrate 2 so that the upper and lower guide rollers 4 are integrally separated from the substrate 2.

Next, the wing nut 27 is removed and the connecting plate 26 is removed.
Is removed from the other spring receiving piece 25 so that both spring receiving pieces 2
It is sufficient to secure a space between the belt 5 and the polishing belt 6 from here. It is to be noted that the polishing belt 6 can be completely removed by opening the side plate of the reduction machine A and removing the support 9 as in the conventional case.

After the replacement of the polishing belt 6, the retaining piece 56 is inserted into the retaining hole 29 with the gripping bar 58, and then the screw 55 is screwed with the wing nut 57 to fix the guide roller holder 5. What is necessary is just to fix to the board | substrate 2 and to connect the open end side of the connection plate 26 to the other spring receiving piece 25 with the wing nut 27.

As described above, according to the present embodiment, the upper and lower guide rollers 4 are separated from each other simply by removing the guide roller holder 5, so that the polishing belt 6 can be easily replaced. Further, unlike the conventional guide roller which is rotated and released, the entire guide roller can be released, so that a vertical movement adjusting mechanism which is fed by a screw can be provided on both sides of the upper guide roller 4 so that the upper guide roller can be provided. The roller 4 can be raised and lowered in parallel.

Although this embodiment has the above configuration, the present invention is not limited to this. For example, irrespective of the shape or configuration of the substrate, the means for attaching to the machine body and the means for attaching the tension roller are not limited. For example, as shown in FIG. 6, the tension roller 1 may be urged by the compression spring 15. Further, the shape and configuration of the guide roller holder having the upper and lower guide rollers are also appropriate, and the configuration of providing the upper guide roller so as to be able to move up and down or the configuration of the vertical movement adjusting mechanism for vertically moving the upper guide roller is optional. It is. Further, means for attaching and detaching the guide roller holder to and from the substrate is also appropriate.

[0018]

According to the first aspect of the present invention, by simply removing the guide roller holder, the upper and lower guide rollers are separated from each other, so that the polishing belt can be easily replaced and the entire guide roller can be separated. Therefore, the vertical movement adjusting mechanism can be provided on both sides of the upper guide roller, and the upper guide roller can be adjusted vertically. Claim 2
Thus, the guide roller holder can be easily attached to the substrate. According to the third aspect, since the tension spring is used, the urging force of the tension roller can be increased, and the removal of the polishing belt can be easily performed by separating the connecting piece from the spring receiving piece.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a polishing and reducing machine using an embodiment of the present invention.

FIG. 2 is a perspective view of the polishing belt tension mechanism.

FIG. 3 is a perspective view showing a state where a guide roller holding body is removed.

FIG. 4 is a longitudinal sectional view showing a state where a guide roller holder is mounted.

FIG. 5 is an enlarged vertical sectional view showing a vertical movement adjusting mechanism of a guide roller.

FIG. 6 is a perspective view of a main part showing another example of urging of a tension roller.

[Explanation of symbols]

 A Polishing reduction machine 1 Tension roller 10 Support shaft 12 Tension spring 2 Substrate 20 Back plate 24 Pin 25 Spring receiving piece 26 Connecting piece 29 Locking hole 3 Drive roller 4 Guide roller 41 Screw feed screw 42 Lifting member 5 Guide roller holder 50 Side piece 56 Locking piece 6 Abrasive belt 8 Mounting plate

Claims (3)

(57) [Claims] At the lower part of a pachinko ball polishing and reduction machine, a polishing belt is hung on the outside of a tension roller arranged to be urged and protruded in the direction of tension of the polishing belt, and the inside of guide rollers disposed above and below the tension roller. In the polishing belt tension mechanism for adjusting the tension of the polishing belt by applying a polishing belt, a guide in which a tension roller 1 is provided on a substrate 2 attached to a lower portion of a polishing reduction machine, and upper and lower guide rollers 4 are integrally supported by both side pieces 50. In addition to the provision of the roller holder 5, the upper guide roller is mounted so as to be able to move up and down, and a mounting portion that can be attached to and detached from the substrate 2 is provided in the guide roller holder 5. A guide row in a polishing belt tension mechanism of a pachinko ball polishing reduction machine provided on a roller holder 5. La detachable device. 2. A locking piece 56, which can be inserted and locked into a locking hole 29 provided continuously with the substrate 2, protrudes from the back surface of the guide roller holder 5, and a screw hole, which can be screwed with the substrate 2, holds the guide roller. 2. A mounting portion for attaching to a body and being attached to a substrate.
Guide roller attachment / detachment device. 3. The tension roller 1 is disposed so as to be movable in the tension direction by inserting both ends of the support shaft 10 of the tension roller 1 through pins 24 protruding from the substrate 2.
4 and a connecting piece 26 connected to both of the spring receiving pieces 25 is provided so as to be detachable from one of the spring receiving pieces. 3. The guide roller attaching / detaching device according to claim 1, wherein the tension roller 1 is urged to move with a tension spring 12 interposed therebetween. 4.