JPH10118591A - Ultrasonic washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ultrasonic washer in which a basket is satisfactorily rotated. SOLUTION: This ultrasonic washer is provided with a basket 1 housing workplaces inside and also equipped with driven rollers 1A on the outer periphery thereof, a washing tank 2 freely housing the basket 1 and equipped with an ultrasonic vibrating plate 2A on the bottom part thereof, an ultrasonic oscillator 3 for vibrating the washing tank ultrasonic vibrating plate 2A, two rotary rollers 4, 5 arranged below inside the washing tank 3 and each abutted on a driven roller 1A of the basket 1, and a driving means 6 for applying rotational force to one rotary roller 6. A pressurizing roller 7 pressurizing the driven roller 1A of the basket 1 to the rotary rollers 4, 5 side is arranged above the washing tank 2 through a supporting member 8. The supporting member 8 can freely retract the pressurizing roller 7 from above the basket 2 in the opposite direction to the pressurizing direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic cleaning apparatus, and more particularly, to an ultrasonic cleaning apparatus that stores a work in a rotating basket.

[0002]

2. Description of the Related Art As shown in FIG. 5, a conventional ultrasonic cleaning apparatus 50 has a basket 51 having a work (object to be cleaned) housed therein and having a roller member 51A on its outer periphery. And a cleaning tank 52 having an ultrasonic vibration plate 52A at the bottom.
Ultrasonic oscillator 53 for vibrating the second ultrasonic vibration plate 52A
And two rotating rollers 54, 54 that are disposed below the inside of the washing tank 52 and abut against the roller members 51 </ b> A of the basket 51, respectively, and a driving unit that urges the basket 51 with a rotational force.

The basket 51 is provided with a roller member 5.
A gear 51B for making the center axis equal to 1A is fixedly mounted, and the above-mentioned driving means is such that the basket 51 causes its roller member 51A to rotate rollers 54, 54 in the basket 51.
When the transmission gear 55B is disposed in the cleaning tank 52 in a state where the outer peripheral surfaces thereof are in contact with each other, the transmission gear 55 meshes with the gear 51B.
And a drive source (not shown) for rotating the transmission gear 55.

[0004] The ultrasonic cleaning apparatus 50 having the above configuration is
At the time of use, the washing tank 52 is filled with the washing liquid, and the basket 51 containing the work is put in the washing tank. Then, ultrasonic vibration is applied to the ultrasonic vibration plate 52A of the cleaning tank 52 by the ultrasonic oscillator 53, and at the same time, the basket 51 is rotated by the driving means via the gear 51B. That is, by this rotation, the ultrasonic vibration is transmitted to the work in the basket 51 as a whole via the cleaning liquid, so that the work is uniformly cleaned.

[0005]

However, in the above-mentioned conventional example, the basket 51 can be freely taken in and out from above the washing tank 52 in order to improve workability such as replacing work in the basket 51. . For this reason, when the basket 51 is housed in the washing tank 52, the rotating rollers 54, 54 come into contact with and engage from below the roller member 51A, and are transmitted to the gear 51B mounted on the basket 51. The gear 55 meshes from below.

In such a configuration, especially when the work is a light material, the basket 51 receives buoyancy from the cleaning liquid.
Of the transmission gear 55 and the gear 51B, causing slippage of rotation, breakage and deformation of each gear, and other problems such as a reduction in the cleaning effect. .

[0007]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an ultrasonic cleaning apparatus which can solve the disadvantages of the prior art and can rotate the basket satisfactorily.

[0008]

According to the first aspect of the present invention, a basket for accommodating a work therein and having a driven roller on the outer periphery, and the basket can be accommodated freely.
A cleaning tank having an ultrasonic vibration plate at the bottom, an ultrasonic oscillator for vibrating the ultrasonic vibration plate of the cleaning tank, and two rotating rollers disposed below the cleaning tank and abutting on driven rollers of the basket, respectively; And a driving means for urging one of the rotating rollers to rotate.

A pressing roller for pressing the driven roller of the basket toward the two rotating rollers is disposed above the washing tank via a supporting member, and the supporting member moves the pressing roller from above the basket in the pressing direction from above the basket. It is configured to be able to retract in the opposite direction.

In the above configuration, first, the basket containing the work is stored in the cleaning tank filled with the cleaning liquid. Then, in a state where the driven roller of the basket and the two rotating rollers in the cleaning tank have their outer peripheral surfaces abutted with each other,
Further, the driven rollers are pressed from above by the pressing rollers toward the respective rotating rollers, whereby the basket is held by the three rollers via the driven rollers.

[0011] Then, a rotational force is applied to one of the rotating rollers by the driving means, and the basket is rotated via the driven roller. At the same time, the ultrasonic oscillator is driven to perform cleaning. After cleaning for a predetermined time,
The oscillation of the ultrasonic waves and the rotation of the basket are stopped, the pressing roller is retracted from above the basket, and the basket is pulled up from the washing tank.

According to a second aspect of the present invention, the cleaning tank has the same structure as the first aspect of the present invention, and the cleaning tank is provided with a lid member which can be opened and closed, and the lid member is provided with a pressing roller via a supporting member. Then, in a state in which the cleaning tank is closed by the lid member, the supporting member causes the pressing roller to contact the driven roller with a predetermined pressing force.

In the above configuration, first, the basket containing the work is stored in the cleaning tank filled with the cleaning liquid with the lid member opened. Then, the lid member is closed in a state where the driven roller of the basket and the two rotating rollers in the cleaning tank have their outer peripheral surfaces in contact with each other.

At this time, with the operation of closing the lid member, the pressing roller presses the driven rollers of the basket toward the respective rotating rollers with a predetermined pressing force via the supporting member.
The basket is held by three rollers via driven rollers.

[0015] Then, a rotational force is applied to one of the rotating rollers by the driving means, and the basket is rotated via the driven roller. At the same time, the ultrasonic oscillator is driven to perform cleaning. After cleaning for a predetermined time,
The oscillation of the ultrasonic waves and the rotation of the basket are stopped, and the pressing state of the basket by the pressing roller is released by opening the lid member, and the basket is pulled up from the washing tank.

In the present invention, the following configuration is adopted. This aims to achieve the above-mentioned object.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 1A is a front cross-sectional view of the ultrasonic cleaning apparatus 10 according to the first embodiment, and FIG. 1B is a plan view, all of which are partially omitted.

In the first embodiment, a roller member 1A is provided for accommodating a work therein and as a driven roller on the outer periphery.
, A washing tank 2 which is capable of storing the basket 1 and has an ultrasonic vibration plate 2A at the bottom, an ultrasonic oscillator 3 which vibrates the ultrasonic vibration plate 2A of the cleaning tank 2, and a cleaning tank 2 A free roller (rotating roller) 4 and a driving roller (rotating roller) 5 which are disposed below and inside the roller 1A of the basket 1, and a driving means 6 for urging the driving roller 5 to rotate. 1 shows an ultrasonic cleaning apparatus 10 provided with the above.

In addition to the above configuration, the driven roller 1A of the basket 1 is
A pressing roller 7 that presses to the side is disposed above the cleaning tank 2 via a support member 8.

Hereinafter, each part will be described in detail.

First, as shown in FIG. 1B, the basket 1 has six side walls 1B assembled in a regular hexagonal column shape and disk-shaped roller members 1A provided on upper and lower portions of the side walls 1B, respectively. , 1A. The inside of the side wall 1B is hollow, and one or two of the side walls 1B are detachable, and a work to be cleaned is accommodated therein. Further, when the basket 1 is stored in the cleaning tank 2 filled with the cleaning liquid, the side wall 1B is formed with an infinite number of holes for the cleaning liquid or a mesh or the like so that the cleaning liquid flows to the internal work. Structure is given.

The roller member 1A is a disc larger than the regular hexagon formed by the side wall 1B, and is engaged with the side wall 1B at the same center as the regular hexagon. The end portions of the roller member 1A come into contact with the respective outer peripheral surfaces of the free roller 4, the driving roller 5, and the pressing roller 7, which will be described later.

Next, the cleaning tank 2 will be described. The cleaning tank 2 is a rectangular parallelepiped container whose upper part is opened, and the inside thereof is filled with a cleaning liquid. An ultrasonic vibration plate 2 is provided on the bottom of the cleaning tank 2.
A is provided, and a plurality of ultrasonic oscillators 3 are arranged below the ultrasonic vibration plate 2A. When the ultrasonic vibration plate 2A is brought into an ultrasonic vibration state by the ultrasonic oscillator 3, the ultrasonic vibration is propagated to the cleaning liquid, and the dirt and the like attached to the work placed in the cleaning tank 2 are removed. Is performed.

A free roller 4 and a driving roller 5 are rotatably provided near the bottom of the inner side wall of the cleaning tank 2. The free roller 4 and the driving roller 5 are provided in a pair in the vertical direction in FIG. 1B, and each of them is formed in a frame shape in which a large diameter portion and a small diameter portion are concentrically connected. The outer peripheral surface of the small diameter portion contacts the outer peripheral surface of the roller member 1A of the basket 1 described above.

Here, the free roller 4 is free to rotate according to an external force.
Is a coupling 6B connecting the drive motor 6A and the drive shaft of the drive motor 6A to the rotation shaft 5A of the drive roller 5.
The rotation is energized by the driving means 6 composed of

The one driving roller 5 and the other driving roller 5 are connected via a connecting shaft 5A with the same central axis, and the driving means 6 simultaneously applies a rotational force to the two driving rollers 5, 5. It is to be energized. Each of the drive rollers 5 and 5 has an outer peripheral surface of a small diameter portion of the
The friction coefficient is desirably high because it is necessary to contact the outer peripheral surface of the roller member 1A and transmit the rotational force by frictional force. For example, the material of the drive roller 5 is made of rubber, or the material is made of stainless steel. Knurling is applied to the surface to prevent slippage.

FIG. 2 shows a positional relationship between the roller member 1 A of the basket 1 disposed in the washing tank 2, the free roller 4 and the drive roller 5. The positions of the central axes of the free roller 4 and the driving roller 5 are the same height from the bottom of the washing tank 2 and the distance between the central axes of the rollers 4 and 5 is determined by the gap between the small diameter portions of the basket. Each of the rollers 4, 4 is smaller than the diameter of the roller member 1A.
5 are set.

Thus, when the basket 1 is put into the washing tank 2, the roller member 1A can be placed on the small diameter portions of the free roller 4 and the driving roller 5, and in this state, The distances from the perpendicular passing through the center of the roller member 1A to the centers of the free roller 4 and the driving roller 5 are equal (S = T). Therefore, the roller member 1A is held in a well-balanced manner by the rollers 4 and 5, and the contact state between the drive roller 5 and the roller member 1A can be favorably maintained. Is satisfactorily transmitted to the roller member 1A.

Next, the pressing roller 7 will be described. As shown in FIG. 1A, the pressing roller 7 is rotatably held by a supporting member 8 via a coil spring 8A disposed in a vertical direction, and is provided as a pair in the vertical direction in FIG. Have been. In addition, each shape is formed in a frame shape in which the large-diameter portion and the small-diameter portion are concentrically connected, and the outer peripheral surface portion of the small-diameter portion contacts the outer peripheral surface of each roller member 1A of the basket 1 described above. . The pressing roller 7 is disposed right above the cleaning tank 2 via the support member 8.

The support member 8 is provided with a vertical urging means (not shown) using a pneumatic cylinder or the like provided in parallel with the cleaning tank 2.
Makes it possible to move up and down freely.

The support member 8 is provided with two basket holding arms 8B, 8B extending downward. The basket holding arm 8B is configured such that the side wall 1B of the basket 1 described above moves toward the lower end thereof.
Are formed in an arc shape curved with substantially the same radius as the circumscribed circle of the regular hexagon formed by the above, and the basket 1 is placed on these two basket holding arms 8B, 8B.

Each of the above-mentioned pressing rollers 7 is close to the edge of each of the roller members 1A of the basket 1 placed on the basket holding arms 8B, 8B,
It is arranged at a position vertically above the center point of A.

The operation of the first embodiment having the above configuration will be described below with reference to FIG.

First, one of the side walls 1B of the basket 1 is opened to accommodate a work inside the basket 1 (FIG. 3).
(A)).

Next, the supporting member 8 is lifted up to above the washing tank 2 by the vertical moving urging means, and the basket 1 is placed on the basket holding arms 8B, 8B. At this time, the cleaning tank 2 is previously filled with the cleaning liquid. Then, after the basket 1 has been placed,
The supporting member 8 is lowered into the cleaning tank 2 (FIG. 3).
(B)).

In the lowering operation, each roller member 1A of the basket 1 comes into contact with the outer peripheral surface of each small-diameter portion of each free roller 4 and drive roller 5, and each pressing roller 7,
The process is performed until the outer peripheral surface of the small diameter portion 7 comes into contact with the edge of each roller member 1A and each coil spring 8A (see FIG. 1) is somewhat compressed. As a result, the basket 1 is such that each roller member 1A is pressed against each free roller 4 and drive roller 5 side, and three pairs of rollers 4, 5,
7 (FIG. 3C). In this state, a rotational force is urged by the driving means 6 to each of the drive rollers 5 and 5, and the roller member 1A which comes into contact therewith is transmitted with the rotational force by the frictional force between the contact portions, and the basket 1 is washed. The inside of the tank 2 is rotated. At this time, basket 1
Is formed in a polygonal shape by the side wall 1B, so that a higher stirring effect can be obtained for the cleaning liquid in the cleaning tank 2 than by rotation.

At the same time, the ultrasonic oscillator 3 is driven,
As a result, ultrasonic vibration is transmitted to the cleaning liquid via the ultrasonic vibration plate 2A, and the work contained in the basket 1 is cleaned. After the cleaning for a predetermined time is performed, the oscillation of the ultrasonic waves and the rotation of the basket are temporarily stopped, and the inside of the cleaning tank 2 is changed from the cleaning liquid to the rinsing liquid. Then, the oscillation of the ultrasonic waves and the rotation of the basket are resumed, and the rinsing is performed.

After rinsing for a predetermined time, the rinsing liquid is discharged from the washing tank, and hot air is blown onto the basket 1 from above the washing tank by the drying means while the rotating state of the basket 1 is maintained. The work is dried.

After the drying for a predetermined time, the supporting member 8 is pulled up by the vertical urging means.
At this time, the basket 1 is pulled up simultaneously with the support member 8 by the respective basket holding arms 8B, the respective roller members 1A are separated from the respective free rollers 4 and the driving rollers 5, and simultaneously the respective pressing rollers 7 are also separated from the respective roller members 1A. When separated, the coil spring 8A returns from the compressed state to the natural length state.

As described above, in the first embodiment,
A pressing roller 7 for pressing the roller member 1A of the basket 1 against the free roller 4 and the driving roller 5 is provided. Further, the pressing roller 7 is pressed and retracted (moves in a direction opposite to the pressing) via the support member 8. Since each roller member 1A of the basket 1 is effectively held from three directions, that is, the free roller 4, the driving roller 5, and the pressing roller 7, the rotational force is transmitted from the driving roller in that state.
The whole basket 1 can be brought into a good rotating state,
As a result, it is possible to perform good cleaning.

Also, since the support member 8 is equipped with the basket holding arm 8B, the vertical movement of the pressing roller 7 and the operation of taking the basket 1 out of the cleaning tank 2 are performed at the same time, greatly improving the workability. It is possible to improve.

Hereinafter, a second embodiment of the present invention will be described.
A description will be given based on FIG. The second embodiment is an ultrasonic cleaning apparatus 20 in which the cleaning tank 2 is provided with a lid 21. The same components as those of the above-described ultrasonic cleaning apparatus 10 are denoted by the same reference numerals, and the description thereof will not be repeated. It shall be omitted.

In the second embodiment, a basket 1 containing a work therein and a basket 1 filled with a cleaning liquid are provided.
Tank 2 for washing the inside of the tank, an ultrasonic oscillator 3 for vibrating the ultrasonic vibration plate 2A of the washing tank 2, and a free roller (rotating roller) which comes into contact with the roller member 1A of the basket 1 provided in the washing tank 2. ) 4, a driving roller (rotating roller) 5, and a driving means 6 (not shown in FIG. 5) for urging the driving roller 5 to rotate. 2 shows an ultrasonic cleaning device 20 having a lid member 21.

Further, in addition to the above configuration, the driven roller 1A of the basket 1 is
The pressing roller 7 that presses to the side is disposed on the lid member 21 via the support member 28.

When the lid member 21 is mounted on the cleaning tank 2 (closed state), pin members 21A are provided at both contact ends, whereby the lid member 21 is displaced with respect to the cleaning tank 2. Fixed without.

The pressing roller 7 is rotatably held by the support member 28 via a coil spring 28A disposed in the up-down direction. The support member 28 is connected to the lid member 21.
Is installed in the washing tank 2, the upper part of the roller member 1A of the basket 1 housed inside the washing tank 2 and the pressing roller 7
Contact the outer peripheral surfaces with each other, and the coil spring 28A
Is set so that is somewhat compressed.

The lid member 21 is provided with two basket holding arms 28B, 28B extending downward. This basket holding arm 28B
It is formed in a bent shape so as to wind a regular hexagonal column formed by the above-mentioned side wall 1B of the basket 1 toward its lower end, and the basket 1 is placed on these two basket holding arms 28B, 28B. Is placed.

When the work is cleaned by the ultrasonic cleaning apparatus 20, first, the work is accommodated in the basket 1, and the basket 1 is suspended from the lid member 21 in a state before being mounted. Basket holding arm 28
B, 28B.

Then, with the cleaning tank 2 filled with the cleaning liquid, the lid member 21 is pinned from above the cleaning tank 2 to the pin member 21.
A fixed equipment. At the same time, the basket is stored inside the washing tank 2. That is, with the mounting operation of the lid member 21, each roller member 1 </ b> A of the basket 1 comes into contact with the outer peripheral surface of each small diameter portion of each free roller 4 and drive roller 5, and the outer periphery of the small diameter portion of each pressing roller 7. The surface abuts against the edge of each roller member 1A and each coil spring 28A
Is somewhat compressed, whereby the basket 1 is pressed by the roller members 1A against the free rollers 4 and the driving rollers 5 side, and the three pairs of rollers 4
5 and 7.

After that, the work for cleaning the work is performed in the same manner as in the ultrasonic cleaning apparatus 10, and after the work is completed, the work of removing the lid member 21 from the cleaning tank 2 and the work of taking out the basket 1 are performed. That is, the pin member 21 is removed, and the lid member 21 is pulled up. Along with this, the basket 1 is pulled up by each basket holding arm 28B, each roller member 1A is separated from each free roller 4 and drive roller 5, and simultaneously each pressing roller 7 is also separated from each roller member 1A. The coil spring 28A is returned from the compressed state to the natural length state, thereby completing the cleaning operation.

In the second embodiment, since the cover member 21 of the cleaning tank 2 is provided, it is possible to prevent the cleaning liquid and the like from leaking to the surroundings during the operation.

The cover member 21 is provided with a pressing roller 7 via a support member 28, and when the cleaning tank 2 is provided with the cover member 21, a pressing operation is simultaneously performed on the roller member 1A of the basket 1. Therefore, the opening and closing of the lid member 21 and the holding operation of the basket 1 inside the cleaning tank 2 are performed at the same time, and the workability can be improved.

Further, the lid member 21 is equipped with a basket holding arm, and the operation of opening and closing the lid member 21 and the operation of putting the basket 1 into and out of the cleaning tank 2 are simultaneously performed in the cleaning tank 2, thereby further improving the workability. It is possible to plan.

[0054]

According to the first aspect of the present invention, since the pressing roller for pressing the driven roller of the basket toward each rotating roller is provided, the driven roller of the basket is effective from three directions of the two rotating rollers and the pressing roller. In this state, the rotation force is transmitted from one of the rotation rollers, so that the conventional rotation failure can be effectively prevented, and the entire basket can be satisfactorily rotated. Accordingly, it is possible to cope with frequent switching work of forward and reverse of the rotation direction for urging the basket, and it is possible to perform cleaning more effectively.

Further, since the pressing roller can be retracted via the support member, it does not hinder the removal of the basket from the washing tank, and the workability can be improved.

Further, a driven roller is provided for the basket,
Since the rotational force is transmitted from the rotating roller to the basket via the driven roller, there is no need to provide gears as in the related art, and the same operation can be performed with a simple configuration.
Productivity can be improved. In addition, since the gear is eliminated, the basket can be easily transported and taken in and out of the washing tank, and the portability of the basket can be improved.

According to the second aspect of the present invention, the same effects as those of the first aspect of the present invention are provided, and since the lid member of the cleaning tank is provided, it is possible to prevent the cleaning liquid and the like from leaking to the surroundings during operation. It is possible.

Further, the cover member is provided with a pressing roller via a supporting member, and when the washing tank is provided with the cover member, the basket is simultaneously pressed against the driven roller. And the holding operation of the basket inside the washing tank are performed at the same time, and the workability can be improved.

Since the present invention is constructed and functions as described above, it is possible to provide an unprecedented excellent ultrasonic cleaning apparatus.

[Brief description of the drawings]

FIG. 1 is a partially omitted illustration of a first embodiment of the present invention, and FIG. 1 (A) is a cross-sectional view from a front direction, and FIG.
(B) shows a plan view.

FIG. 2 is an explanatory diagram showing a positional relationship between a roller member of a basket provided in a cleaning tank, a free roller, and a driving roller.

FIG. 3 is a diagram illustrating the operation of the ultrasonic cleaning apparatus disclosed in FIG. 1, and the operation proceeds in the order of FIG. 3 (A) to FIG. 3 (D).

FIG. 4 is a cross-sectional view from a front direction, in which a second embodiment of the present invention is partially omitted.

FIG. 5 is a cross-sectional view from the front direction of a conventional example with a part omitted.

[Explanation of symbols]

 Reference Signs List 1 basket 1A roller member (driven roller) 2 cleaning tank 2A ultrasonic vibration plate 3 ultrasonic oscillator 4 free roller (rotating roller) 5 driving roller (rotating roller) 6 driving means 7 pressing roller 8, 28 supporting member 10, 20 super Sonic cleaning device 21 Lid member

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Naoko Kanno 4-27-2 Higashian Higashi, Shizuoka City, Shizuoka Prefecture Inside the Sanitation Environmental Center (72) Inventor Yasuhiro Tsukamoto 2078 Makigaya, Shizuoka City, Shizuoka Prefecture Shizuoka Industrial Technology Inside the center (72) Inventor Fuji ▲ Saki ▼ Tomoyuki 300 Suzuki, Takatsuka-cho, Hamamatsu-shi, Shizuoka Prefecture (72) Inventor Tetsuro Sakamoto 300, Takatsuka-cho, Hamamatsu-shi, Shizuoka Suzuki Corporation

Claims (2)

[Claims] 1. A basket for accommodating a workpiece therein and having a driven roller on the outer periphery thereof, a washing tank capable of accommodating the basket and having an ultrasonic vibration plate at a bottom portion, and vibrating the ultrasonic vibration plate of the cleaning tank. An ultrasonic oscillator to be provided, two rotating rollers disposed below the inside of the cleaning tank and abutting against driven rollers of the basket, and a driving means for applying a rotational force to one of the rotating rollers. A pressing roller for pressing the driven roller of the basket toward the two rotating rollers is disposed above the cleaning tank via a supporting member, and the supporting member presses the pressing roller from above the basket. An ultrasonic cleaning device characterized in that it can be retracted in a direction opposite to the direction. 2. The cleaning tank is provided with a lid member that can be opened and closed, and the lid member is provided with the pressing roller via the support member. 2. The ultrasonic cleaning apparatus according to claim 1, wherein the member causes the pressing roller to contact the driven roller with a predetermined pressing force.