JPH07230680A - Brush attaching and detaching mechanism for washing device - Google Patents

Abstract

PURPOSE:To keep engagement between a brush and a rotary shaft from influence even at whatever degree of bearing from the washing is changed and yet to facilitate brush replacement work on the brush attaching and detaching mechanism for a disk brush type washing device capable of separatably attaching and detaching the side of the rotary shaft and the side of a brush frame body in order to comparatively frequently disk brushes as parts of consumption. CONSTITUTION:The side of the rotary shaft 5 and the side of the brush frame body 2 are freely attachable to and detachable from each other, and the disk brush 1 fitted to the brush frame body 2 is brought into contact with the washing to perform scrubbing. In this washing device, when the side of the rotary shaft 5 and the side of the brush frame body 2, which are the separate parts are to be engaged with each other, a cylinder body 3 fitted to the rotary shaft 5 is lifted up via a spring 4, so that the brush frame body 2 is drawn to the rotary shaft 5 and is held. At this time, the brush frame body 2 is fixed to the rotary shaft 5 under their contact state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device for cleaning, for example, a glass substrate, a silicon substrate or the like, and more specifically, a brush attaching / detaching mechanism for such a device for cleaning a glass substrate or the like by using a disc brush. Regarding

[0002]

2. Description of the Related Art When cleaning a glass substrate, a silicon substrate, or the like with a roll brush type cleaning device, it has been pointed out that there is a problem in cleaning the end of the substrate as a peculiar problem caused by the shape of the roll brush. In place of this, a disk brush type cleaning device which eliminates the problems of the roll brush type cleaning device described above and has a large rubbing cleaning effect is used.

By the way, since the cleaning brush is a consumable part, it is frequently replaced.

Therefore, even in the disc brush type cleaning device, the drive side and the driven side, that is, the rotating shaft side and the brush frame side are detachable.

In the prior art, for example, the actual Kaihei 4
As described in JP-A-96844, a gap is formed between the rotary shaft and the brush, and a spring for holding the brush is installed in the gap, so that the reaction force received by the brush from the object to be cleaned is held by the spring for holding the brush. Will receive it directly.

In addition to the above, the prior art relating to the brush is not limited to the above, for example, Japanese Patent Laid-Open No. 167106/55,
No. 100532, No. 55-100533, No. 4
It is described in Japanese Patent No. 125447.

[0007]

[Problems to be Solved by the Invention]
In the brush attaching / detaching mechanism of the cleaning device represented by Japanese Patent Publication No. 96844, since the reaction force received by the brush from the object to be cleaned acts in such a direction as to compress the spring, when the reaction force becomes large, the brush and the rotating shaft are There is a risk that the mating of will be separated.

If a spring having a larger elastic force is used in order to avoid the danger, the burden on the operator for compressing the spring when replacing the brush with respect to the rotary shaft becomes large and the work becomes difficult. There was a problem.

An object of the present invention is to clean a disk brush type cleaning device in which a rotating shaft side and a brush frame side are detachable so that a disk brush which is a consumable part can be replaced relatively frequently. It is an object of the present invention to provide a brush attaching / detaching mechanism of this type of device, which does not affect the fitting of the brush and the rotating shaft regardless of how the surface pressure from the object changes and which facilitates the brush replacement work.

[0010]

SUMMARY OF THE INVENTION The above object is to provide a cleaning device in which a rotating shaft side and a brush frame body side are detachable, and a disc brush attached to the brush frame body is brought into contact with an object to be cleaned for rubbing cleaning. , When the rotating shaft side and the brush frame body side, which are separate parts, are fitted together, the tubular member attached to the rotating shaft is lifted through the elastic body to hold the brush frame body while attracting the rotating shaft. This is achieved by adopting a structure in which the brush frame is fixed in a state of being in contact with the brush frame.

In other words, the above-mentioned object is that the disc brush moves vertically in the axial direction at the fitting portion between the rotating shaft side and the brush frame side, which are separate parts, even when the surface pressure from the object to be cleaned changes. It is achieved by providing a disc brush vertical movement fixing means.

[0012]

In the above structure, the cylindrical member attached to the rotary shaft is lifted through the elastic body to hold the brush frame while attracting the brush frame to the rotary shaft, and the brush frame is in contact with the rotary frame. Fixed.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to one embodiment shown in FIGS.

In FIG. 1, the rotating shaft 5 supported by bearings 19 is rotated by a torque transmitting piece 6 press-fitted into the rotating shaft 5 to rotate the rotational force obtained by a drive mechanism not shown in the drawing. It is transmitted to the disc brush 1 made of fibers or sponge attached to the disc.

When the cylindrical body 3 is pushed up in the direction of the arrow 7 by the spring 4, the brush frame body 2 having the brush 1 is fixed in surface contact with the lower end surface 8 of the rotary shaft 5.

In this state, the spring 4 constantly exerts an elastic force in the direction of the arrow 7, and the brush frame 2 is in stable contact with the rotating shaft 5.

When removing the brush 1 and the brush frame 2, the torque transmission piece 6 provided on the rotating shaft 5 in the direction of the arrow 9 against the spring 4 in FIG. Pull until it comes out of the transmission recess 10.

After that, the brush frame 2 is rotated, and the brush frame convex portion 11 shown in FIG. 4 is pulled out along with the cylindrical concave portion 12, so that the brush 1 and the brush frame body 2 can be removed from the rotary shaft 5. it can.

When the cylindrical body 3 is released from the brush frame 2, it is lifted by the restoring force of the spring 4 until it comes into contact with the thrust collar 17. The state is shown in FIG.

The brush 1 and the brush frame 2 are attached to the rotary shaft 5.
2 and 4, the brush frame convex portion 11 is aligned with the cylindrical concave portion 12, the spring 4 is compressed, and the torque transmitting piece 6 is attached to the bottom upper surface 18 of the brush frame body 2. Push it in until it hits.

Then, the brush frame 2 is rotated to lock the brush frame convex portion 11 and the cylindrical body convex portion 13 so that the brush frame convex portion 11 slides on the taper 14 of the cylindrical body convex portion 13. By doing so, it is possible to pull the brush frame body 2 toward the cylindrical body 3 against the drag force of the spring 4.

As shown in the illustrated embodiment, a taper 14 is formed on the cylindrical convex portion 13 and the brush frame convex portion 11 is slid on the taper 14 to counteract the resistance of the spring 4. The pulling of the cylindrical body 3 to the brush frame 2 can be smoothly performed with a small force.

Then, after the brush frame convex portion 11 and the cylindrical body convex portion 13 are engaged, the torque transmission piece 6 is inserted into the torque transmission concave portion 10 of the brush frame body to connect the brush frame body 2 and the cylindrical body 3. The mating is complete.

When rotating the brush frame 2 and sliding the brush frame convex portion 11 on the taper 14 of the cylindrical convex portion 13, the rotary shaft 5 is prevented from rotating on the rotary shaft 5. A groove 15 is provided in the groove 5, and the pin 16 is inserted from the cylindrical body 3 into the groove 15.

According to the above construction, even if the rotating shaft 5 side and the brush frame 2 side are detachable so that the brush 1 which is a consumable part can be replaced relatively frequently, When the rotating shaft 5 side and the brush frame 2 side are once attached integrally, the cylindrical body 3 attached to the rotating shaft 5 is lifted up via the spring 4 to attract the brush frame 2 to the rotating shaft 5. Since the brush frame 2 is held and fixed in a state where the brush frame 2 is in contact with the rotary shaft 5, no matter how the surface pressure from the object to be cleaned changes, the brush 1 and the rotary shaft 5 can be fitted with each other. It has no effect.

In the illustrated embodiment, the brush frame 2
Is in surface contact with the lower end surface 8 of the rotary shaft 5 via the bottom surface 18 thereof, the stability of the brush in the axial direction is very good, and the brush does not laterally shake against the object to be cleaned. A uniform cleaning effect can be obtained.

[0027]

According to the present invention, in order to replace the disc brush which is a consumable part relatively frequently, the rotating shaft side and the brush frame side are detachable so that the glass substrate can be cleaned. In the case of using a disk brush type cleaning device that has no problem in cleaning the substrate end portion like a roll brush type cleaning device and has a large scrubbing cleaning effect, the brush is received from the object to be cleaned as in the conventional case. The problem when the reaction force acts in the direction of compressing the spring and the reaction force is large, that is, there is no risk of the brush and the rotating shaft being disengaged from each other, and a stable rotating force can always be obtained, and that danger It is not necessary to use a spring having a larger elastic force in order to avoid the property, that is, when replacing the brush with respect to the rotating shaft, the burden on the operator for compressing the spring becomes large,
The brush can be easily replaced without using a spring having a large elastic force that makes work difficult.

In summary, according to the present invention, no matter how the surface pressure from the object to be cleaned changes, the fitting between the brush and the rotary shaft is not affected, and the brush replacement operation is easy. The brush attaching / detaching mechanism can be obtained.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a cleaning device brush attaching / detaching mechanism according to an embodiment of the present invention in use.

FIG. 2 is a vertical cross-sectional view of the brush attaching / detaching mechanism shown in FIG. 1 when brush removal is completed and when brush attachment is started.

FIG. 3 is a vertical sectional view of the brush attaching / detaching mechanism shown in FIG. 1 when the brush is removed.

FIG. 4 is an exploded perspective view of the brush attaching / detaching mechanism shown in FIG.

[Explanation of symbols]

1 ... Disc brush, 2 ... Brush frame, 3 ... Cylindrical body, 4
... Spring, 5 ... Rotating shaft, 6 ... Torque transmitting piece, 7 ... Elastic force applied to the cylindrical body 3 of the spring 4, 8 ... Lower end surface of the rotating shaft 5, 9 ...
Direction of force against spring 4, 10 ... Torque transmitting recess, 11
... the convex portion of the brush frame 2, 12 ... the concave portion of the cylindrical body 3, 13 ...
Convex portion of cylindrical body 3, 14 ... Taper, 15 ... Groove, 16 ... Pin, 17 ... Thrust collar, 18 ... Bottom surface of brush frame body 2, 19 ... Bearing.

Claims (6)

[Claims] 1. A cleaning device, wherein a rotating shaft side and a brush frame side are detachable, and a disc brush attached to the brush frame body is brought into contact with an object to be cleaned to perform rubbing cleaning, the rotating shaft side being a separate component. When mating with the brush frame body side, the tubular member attached to the rotating shaft is lifted via the elastic body, holds the brush frame body while attracting it to the rotating shaft, and brings the brush frame body into contact with the rotating shaft. A brush attachment / detachment mechanism for a cleaning device, which is configured to be fixed in a closed state. 2. A cleaning device, wherein a rotary shaft side and a brush frame side are detachable, and a disc brush attached to the brush frame body is brought into contact with an object to be cleaned to perform rubbing cleaning, the rotary shaft side being a separate component. A brush attachment / detachment for a cleaning device, characterized in that a disc brush vertical movement fixing means for preventing the disc brush from moving up and down in the axial direction even when the surface pressure changes from the object to be cleaned is provided in the fitting portion between the brush frame and the brush frame side. mechanism. 3. A cleaning device in which a rotary shaft side and a brush frame side are detachable, and a disk brush attached to the brush frame body is brought into contact with an object to be cleaned to perform rubbing cleaning. A cylindrical member that rotates integrally with the rotating shaft is provided, and an elastic body is interposed between the rotating shaft and the cylindrical member, and the lower surface of the rotating shaft has a rotating shaft side and a brush frame side. The torque transmitting piece that engages with the torque transmitting concave portion provided on the bottom surface of the brush frame at the end of fitting is attached to the upper surface of the brush frame with the disk brush attached to the lower surface. Is provided with a hole that allows insertion and removal in the axial direction, and when the brush frame is fitted into the tubular member and the brush frame is rotated in the direction orthogonal to the axial direction, the circumference of the tubular member The block that engages with the cylindrical protrusion that is intermittently provided on the The frame convex portion is provided intermittently, and the torque transmitting concave portion is locked to the torque transmitting piece at the end of the fitting between the rotating shaft side and the brush frame side, and the lower end surface of the rotating shaft and the upper surface of the bottom portion of the brush frame body. A brush attaching / detaching mechanism for a cleaning device, characterized in that the elastic force of the elastic body acts in a direction in which the brush frame is brought into contact with the rotating shaft so as to be attracted to the rotating shaft. 4. The lower end surface of the rotating shaft according to claim 3,
A brush attachment / detachment mechanism for a cleaning device that is in surface contact with the upper surface of the bottom of the brush frame. 5. The brush according to claim 3, wherein a brush frame is fitted into the tubular member on the upper surface of a cylindrical convex portion provided intermittently on the outer periphery of the tubular member on the rotating shaft side. A brush attaching / detaching mechanism for a cleaning device, wherein a taper is formed such that the wall thickness gradually increases from the fitting start direction to the fitting end direction when the frame body is rotated in a direction orthogonal to the axial direction. 6. A cleaning device comprising the brush attaching / detaching mechanism according to claim 1. Description: