JP2003169957A - Abrading cloth holding device for elevating and carrying abrading machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To inexpensively provide an abrading cloth holding device for drawing out an abrading cloth of a belt-type elevating and carrying abrading machine and easily holding it under a stretched condition. <P>SOLUTION: In the holding device S for drawing out the abrading cloth N of the belt-type elevating and carrying abrading machine from an elevating and carrying tower and fixing it under a stretched condition, operations such as drawing-out and temporarily fixing of the abrading cloth are facilitated by using a temporarily holding means 11. These operations comprises making a lower part of the abrading cloth N positioned in the elevating and carrying tower under a fixed condition, drawing out this by a specified amount, pulling up a slide member 3 to once make the temporarily holding means 11 under a stopped condition and laying down a pressing lever 5 to hold thereby the abrading cloth. When the slide member 3 is finally pushed backward and a fitting condition between a hooking part 1d and a fitting part 3f is released and a temporary holding condition is released, the abrading cloth in the elevating and carrying tower becomes a stretched condition by an energizing means 7 to realize a condition being suitable for abrading. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting and polishing machine, and more particularly to a lifting and polishing machine which facilitates a holding operation of the polishing cloth of a belt type lifting and polishing machine when pulling out the polishing cloth for changing the range of use. The present invention relates to a polishing cloth holding device.

[0002]

2. Description of the Related Art There are several types of lifting and polishing machines provided on an island of a pachinko game arcade, and one of them is a belt type lifting and polishing machine. FIG. 7 is a cross-sectional view showing the central portion of the lifting tower of the belt-type lifting polisher. As shown in the figure, the lifting tower 71 comprises a base plate 77, an endless belt 79, and a plurality of tension rollers 81, ... In a space surrounded by a main body 73 and a door 75. As shown in FIG. 8, the surface of the base plate 77 is formed with a plurality of grooves 77a which serve as ascending paths for pachinko balls B, and the surface is covered with a polishing cloth N such as cotton cloth.

In front of the polishing cloth N, a tension side of an endless belt 79 which is vertically supported by being wound around a pulley (not shown) is provided so as to face the polishing cloth. The belt 79 is pressed by a tension roller 81 provided at a key part of the lifting tower 71 so as to approach the polishing cloth side. Pachinko balls B, which are ascending along the groove 77a of the base plate, are sandwiched between the polishing cloth N and the belt 79, and these pachinko balls roll and move along the groove due to the ascending movement of the belt. It is supposed to do. As the polishing cloth N, a band-shaped cotton cloth wound up in a roll is used. This polishing cloth roll is placed in the vicinity of the pumping and polishing machine, the end of the polishing cloth roll is made to enter from the lower part of the polishing machine, and the roll is folded back in the middle of the pumping tower and the door 75
It can be pulled out from outside (see Fig. 7). In addition, a polishing cloth fixing means (not shown) is provided at the bottom of the lifting tower 71.
Is provided, and one end of the polishing cloth is fixed. When changing the range of use of the polishing cloth attached to the lifting and polishing machine, it is possible to lift it by releasing the above fixed state, and when using it, fix the lower part of the polishing cloth with the above polishing cloth fixing means. The slack is not generated by pulling the holding device 85 from above.

The holding device 85 has a main body 85a attached to the cover 75a, a slider 85b mounted on the main body so as to be able to move up and down, and a tension spring 87 for urging the slider downward. I am doing it. The holding device 85 grasps the upper part of the polishing cloth N pulled out from the cover 75a by the slider and holds it by the tension spring 87 in a downwardly biased state, so that the holding device 85 with respect to the range located in the lifting tower. It creates a tension. In this way, the polishing cloth N held in a tensioned state has a slack in the upper part of the polishing cloth because a force that pushes up the pachinko balls moves upward. This slack can be absorbed by the tension spring 87 of the holding device 85 in the initial state, but since it assists the operation of hoisting the pachinko balls while polishing, the dirt advances as the hoisting and polishing machine continues to be used. . Therefore, the portion of the polishing cloth N that has been pulled out of the pumping tower is further pulled out, and the dirty portion is replaced with a portion that is not yet dirty so that the pachinko ball lifting and polishing work can be performed efficiently.

To change the polishing position of the polishing cloth, first, the fixing state of the polishing cloth fixing means is released, the lever 85c of the holding device 85 is raised, and the holding state of the polishing cloth N is released. A predetermined amount. Here, after the lower part of the polishing cloth N is fixed again by using the fixing means, the part of the polishing cloth that is outside the apparatus is pulled out with one hand to bring it into a tensioned state, and the lever 85c is tilted with the other hand. Hold the polishing cloth. By this operation, a portion located above the holding device 85 of the polishing cloth N and inside the lifting tower is tensioned by the tension spring 87, so that normal lifting and polishing of the pachinko balls is possible.

[0006]

By the way, as the work for changing the polishing position of the polishing cloth as described above, the polishing cloth N is pulled out by one hand and the holding device 85 is held by the other hand.
The polishing cloth is fixed in a tensioned state by operating the lever 85c. However, when this holding device is used, the following problems occur. That is, when the lever is operated by using the other hand while being pulled downward by the tension spring 87 at all times, the lever holds the polishing cloth in a state in which the spring is not sufficiently stretched. The result is that the cloth is held in a low tension state. Therefore, the tension of the polishing cloth in the lifting tower becomes insufficient, and the polishing cloth may be loosened due to short-term use. On the other hand, the lever is operated by holding the holding device in a raised state against the spring force of the tension spring with the other hand, but this operation requires skill and is troublesome. It has become a thing.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a polishing cloth holding device which facilitates the operation of changing the position of the polishing cloth and can always maintain the tension of the polishing cloth.

[0008]

In order to achieve the above-mentioned object, the present invention provides a mounting plate fixed to the outside of a cover of a lifting and polishing machine, and a mounting plate mounted on the front surface of the mounting plate so as to be able to move up and down. A slide member, a holding lever provided on both side plates of the slide member so as to be swingable and capable of holding the polishing cloth pulled out to the outside of the cover, and the slide member in the direction in which the polishing cloth is stretched. With respect to the polishing cloth holding device of the lifting and polishing machine provided with the biasing member that is capable of being biased, the following effects are produced by adopting the following means.

(Characteristics of the invention described in claim 1) The polishing cloth holding device of the lifting and polishing machine of the invention described in claim 1 is provided with a temporary holding means for temporarily holding the slide member in a biased state. There is a feature in that. The temporary holding means temporarily holds the slide member biased downward on the upper part of the mounting plate, and operates to hold down the polishing cloth by operating the holding lever under a stable condition. is there. That is, when the slide member is temporarily held by the temporary holding means, the part of the polishing cloth extending below the holding device is pulled by one hand and fixed by the lever operation by the other hand, thereby grasping the polishing cloth. It can be easily performed. Next, when the slide member is pushed inward (rearward), the engagement relationship of the temporary holding means is released, so that the polishing cloth in the range above the holding device is urged through this slide member. It becomes a state. When the slide member descends due to slack due to the use of a polishing cloth or the slide member being displaced, it is possible to prevent the slide member from being detached from the mounting plate by being stopped by the stopper means.

(Characteristics of the Invention Described in Claim 2) The invention described in claim 2 is the invention described in claim 1, in which the above-mentioned temporary holding means is embodied. That is, the above-mentioned temporary holding means partially attaches both sides of the slide member and the engagement portion located at the upper end of the engagement piece formed by raising both sides rearward at a position near the upper part of the mounting plate. It is constituted by an engaging portion located at a lower end portion of an engaging piece provided so as to face the back surface of the plate. Then, when the slide member is raised so that the engaging portion is located above the locking portion and the upper portion of the slide member is pulled forward, the engaging member is urged by the urging member. It will be possible. The temporary holding means holds the part of the polishing cloth outside the lifting tower in a tensioned state by pressing it against the holding lever and the slide member without being affected by the spring force of the biasing means. It has the function of making it easy. Since the structure of the temporary holding means is such that each member is simply processed in the holding device used so far, the manufacturing cost can be reduced.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the present invention will be described with reference to the drawings. The belt type lifting and polishing machine equipped with the polishing cloth holding device (hereinafter referred to as “holding device”) according to the present invention is the same as that described in the section of the related art, and therefore the holding device will be mainly described here. However, the lifting and polishing machine will be explained as necessary.

(Structure of the whole holding device) As shown in FIGS. 1 and 2, the holding device S is a mounting plate 1 for fixing it to a door cover C of a lifting tower, and can be moved up and down on the front side of this mounting plate. Main components are a slide member 3 mounted on the slide member, a pressing lever 5 swingably attached to the front side of the slide member, and a biasing member 7 for applying a downward biasing force to the slide member. As an element. The slide member 3 is
It is mounted on the front surface of the mounting plate 1 and can be moved up and down by a predetermined amount as described later. This slide member 3
It is always urged downward by the urging member 7, and a locking portion 1d or a stopper portion 1e, which will be described later, is provided on the mounting plate.
It is possible to stop at. A pressing lever 5 is swingably attached to the slide member 3, and the polishing cloth pulled out from the door side of the lifting tower can be pressed by the front and the front of the slide portion 3a.

(Structure of Mounting Plate) As shown in FIG. 3, the mounting plate 1 is made of a plate-shaped body obtained by processing a rectangular stainless steel plate, and has an upper portion of a plate portion 1a formed in a rectangular shape close to a square.
Also, a stepped portion that is recessed by a predetermined width is provided in the lower part, and the recessed portion is used as mounting portions 1b, 1b to the cover.
In addition, the locking pieces 1c, 1c are set by raising a small amount from the lower end of each side to a range of about two thirds.
c is formed. The locking portion 1 is provided on the upper end of each locking piece 1c.
d is provided. Further, the stopper portion 1 is provided at a height position about one third of the mounting plate 1 below the locking portions 1d.
e is provided. Each mounting portion 1b, 1b is provided with mounting holes 1f, 1f on the left and right, respectively, so that the mounting plate 1 can be fixed to the door cover C (see FIG. 1) of the lifting tower using screws (not shown). is there. The locking portion 1d is, as described later, a temporary holding means 1 for temporarily holding the slider member 3.
1 (see FIGS. 1 and 6). Further, the stopper portion 1e is for engaging the engagement portion 3f of the slide member 3 so that the slide member 3 cannot be further lowered (see FIG. 2). Guide member mounting holes 1g and 1g for guiding the slide member 3 are provided at a height position of approximately two-thirds from below the plate portion 1a.

(Structure of Slide Member) As shown in FIG. 4, the slide member 3 has a plate-shaped slide portion 3a facing the front surface of the mounting plate, and side plate portions 3 formed by raising both sides thereof.
b, 3b and supporting portions 3c, 3c formed by welding to the outside. The slide portion 3a has a guide groove 3 formed of a vertically long groove.
It is mounted so as to be able to move up and down with respect to the above-mentioned mounting plate by d, 3d and screws 4, and is movable in the front-back direction by a predetermined distance on the front surface of this mounting plate (see FIG. 5). The support portion 3c is composed of a pair of wedge-shaped plates fixed to the outside of each side plate portion 3b by welding or the like. The upper end of each support portion 3c is located in the middle of the side plate portion 3b, and the lower end portion is substantially aligned with the lower end portion of the slide portion 3a.

A range of about one-third from the upper end of each supporting portion 3c overlaps with the side plate portion 3b, and the lower portion of this overlapping area stands on both sides of the slide portion 3a rearward by a predetermined amount. It partially overlaps the raised guide piece 3g. The overlapping portions are joined to each other by welding or the like to form the slide portion 3a.
And each support portion 3c are integrated. An area in which the upper end portion of each support portion 3c overlaps the side plate portion 3b is formed with an engagement piece 3e formed by extending a predetermined distance rearward and bending the same width inward (see FIG. 5). ). The lower end of each engaging piece 3e is an engaging portion 3f. The engaging portion 3f constitutes the temporary holding means 11 together with the locking portion 1d, and also has a function as stopper means for the slide member by engaging with the stopper portion 1e. The engagement piece 3e also has a function as a restriction piece that restricts the relationship between the temporary holding and the temporary holding release by restricting the forward / backward movement of the slide member 3.

On both sides of the slide portion 3a, the above-mentioned guide grooves 3d, 3d which are vertical long grooves are provided. Since the guide groove 3d is provided in the mounting plate 1, the screw hole 1g is formed.
By screwing the screw 4 into (see FIGS. 1 and 5), the slide member 3 can be raised and lowered while maintaining a predetermined relationship with the mounting plate. The pressing lever 5 is supported on the upper portion of the side plate portion 3b through the support shaft 9. Further, an attachment piece 3i for the biasing member 7 is provided at the center of the lower end of the slide portion 3a.

(Structure of Pressing Lever) As shown in FIGS. 1 and 4, the pressing lever 5 has a holding portion 5a formed by raising four sides of a rectangular stainless plate to form an irregular container shape.
And a handle 5b. As described above, the lever 5 is attached to the side plate portion 3 of the slide member 3 via the support shaft 9.
When it is supported on the upper portions of b and 3b, the holding portion 5a is
The upper side 5c is
A polishing cloth interposed between the front surface of the slide portion 3a and the front surface of the slide portion 3a can be pressed (see FIG. 6). The handle 5b is formed by forming a stainless steel rod into a U-shape and bending slightly forward in the middle. The base is inserted into the lower side of the holding portion 5a and fixed by caulking or the like.

(Structure of Energizing Member) The energizing member 7 is composed of a tension spiral spring, the upper hooking portion 7a is hooked on the above-mentioned mounting piece 3i, and the lower hooking portion 7b is a cover of the lifting tower. It is adapted to be hooked on a hooking tool 8 provided on C (see FIGS. 1 and 6). The length of the biasing member 7 is such that it does not cause permanent deformation even when stretched to the longest,
It is desirable that the urging state can be maintained even when the slide member 3 reaches the lowest position.

(Constituent Operation of Temporary Holding Means) As shown in FIG. 6 (a), the temporary holding means 11 has the locking portion 1d.
And the engaging portion 3f are engaged with each other, so that the slide member 3
Is temporarily held and the engaging relationship is released, so that the urging member 7 urges downward. At this time, if the slide member 3 is in a state of gripping the polishing cloth N, the polishing cloth can be held in a biased state. The above engagement relationship is obtained when the gripping state of the polishing cloth is released, the slide member 3 is lifted with one hand against the spring force of the biasing member 7, and the engagement portion 3f reaches above the locking portion 1d. Complete by simply pulling the top of the slide member toward you. At this time, since the downward biasing force is exerted on the slide member 3 by the biasing member 7, the engaging portion 3f is displaced downward and engages with the locking portion 1d, so that the slide member is at this position. Temporarily held.

This engagement is released by applying a force to push the upper part of the slide member 3 backward.
The engagement between d and the engaging portion 3f is released, and the slide member 3 holds the polishing cloth N in a tensioned state. In the state where this engagement relationship is released, the slide member 3 is urged downward by the urging means 7 unless the polishing cloth is grasped, so that the engagement portion 3f is the stopper portion 1e. It descends and is locked here. Of course, when the slide member 3 is in the state of gripping the polishing cloth N, the polishing cloth is pulled and stopped before the engaging portion 3f reaches the stopper portion 1e (see FIG. 6B). ). The slide member 3 is preferably stopped at a stop position before the upper end of the guide groove 3d is engaged with the screw 4.

(Operation procedure for changing the range of the polishing cloth) When the polishing cloth in use is soiled due to the operation of the Pachinko island and the replacement time is reached, the operation range of the polishing cloth is changed by the following operation. First, loosen the fixing member that fixes the lower portion of the polishing cloth N in the lower part of the lifting tower, pull out the portion of the polishing cloth that is outside the cover C by a predetermined amount, and then tighten the fixing member. Fix the lower part of the polishing cloth. Next, the pressing lever 5 is raised, and the range of the polishing cloth N extending below the holding device S is pulled by one hand, and the slide member 3 is pushed by the other hand with the other hand. It is lifted up against the spring force until the engaging portion 3f reaches above the locking portion 1d. Here, when the upper portion of the slide member 3 is pulled toward the front to remove the force, the locking portion 1d of the temporary holding means 11 and the engaging portion 3f of the slide member 3 engage with each other to temporarily hold the slide member ( FIG. 6A).

Here, when the pressing lever 5 is tilted downward, the polishing cloth N is pressed against the front surface of the slide portion 3a by the tip of the upper side 5c thereof (see FIG. 6 (a)). Therefore, when the slide member 3 is slightly lifted against the spring force of the biasing means 7 and then pushed in backward, the engagement relationship of the temporary holding means 11 is released. Therefore, the slide member 3 is pulled downward while holding the polishing cloth,
The engagement portion 3f remains at the intermediate position between the locking portion 1d and the stopper portion 1e (see FIG. 6B). Under this condition, since the polishing cloth N in the portion above the holding device S and the portion located in the lifting tower is in a tension state, it is possible to perform a normal polishing action.

In this way, the polishing cloth is stretched and the slide member 3 is pulled downward by the biasing member 7 while the use of the polishing cloth is continued due to the continued operation of the game hall. Then, finally, the engaging portion 3f reaches the stopper portion 1e and is stopped, so that the polishing cloth N cannot be pulled any further. In this case, the polishing cloth N is pulled down with one hand and the pressing lever 5 is raised with the other hand, the slide member 3 is further lifted, and the slide member 3 is temporarily held by the temporary holding means before being pressed. The normal state can be restored again by tilting the lever 5.

[0024]

As described above, according to the present invention, it is possible to provide a polishing cloth holding device, which can easily perform an operation for changing the polishing position of a dirty polishing cloth, at a low cost.

[Brief description of drawings]

FIG. 1 is a side view showing a polishing cloth holding device according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 shows a mounting plate, (a) is a rear view,
(B) is a side view.

4A and 4B show a slide member and a pressing lever, wherein FIG. 4A is a side view and FIG. 4B is a front view.

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

FIG. 6 is a side view showing a state in which a polishing pad is pulled by a holding device, (a) is a temporary holding state, and (b) is a tensioned state.

FIG. 7 is a side cross-sectional view of a lifting tower according to the related art.

8 is a cross-sectional view taken along the line GG of FIG.

[Explanation of symbols]

S holding device C cover N polishing cloth 1 Mounting plate 1c Locking piece 1d locking part 3 slide members 3e Engagement piece 3f engaging part 5 Presser lever 7 Biasing member 11 Temporary holding means

Claims (2)

[Claims] 1. A mounting plate fixed to the outside of a cover of a lifting and polishing machine, a slide member mounted on the front surface of the mounting plate so as to be able to move up and down, and swingable on both side plates of the slide member. A belt-type lifting device that includes a pressing lever that is capable of pressing the polishing cloth pulled out to the outside of the cover, and a biasing member that is capable of biasing the slide member in the direction of stretching the polishing cloth. In a polishing cloth holding device for a feed polishing machine, temporary holding means for temporarily holding the slide member in a biased state is provided on both sides of the holding device. Cloth holding device. 2. The temporary holding means according to claim 1,
An engaging portion located at an upper end of an engaging piece formed by raising both sides to the rear at a position near the top of the mounting plate, and both sides of the slide member partially oppose the back surface of the mounting plate. And the engaging portion located at the lower end portion of the engaging piece that is provided so as to raise the slide member so that the engaging portion is located above the locking portion, A polishing cloth holding device for a lifting and polishing machine, wherein when the upper part of the slide member is pulled forward, it can be engaged in a state of being biased by the biasing member.