JPH0985199A - Surface finish treatment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a surface finish treating method by which surface finish is effectively performed without taking much trouble over the handling of materials to be treated. SOLUTION: In a method in which treating materials 31, 32 and materials to be treated 30 are housed in an oscillation tank 1 and the oscillating tank 1 is oscillated to perform surface finish treatment for the material 30, the materials 30 are inserted into the oscillation tank 1 in which the materials to be treated 30 are clamped by a clamping means 22 and the treating materials 31, 32 are housed and which is oscillated to subjected the materials 30 while being held to surface finish treatment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various surface treatments such as mirror finishing and polishing of objects to be treated such as various containers, instruments and parts by using a rocking tank, and surface finishing such as surface cleaning thereof. The present invention relates to a surface finishing treatment method for performing.

[0002]

2. Description of the Related Art Conventionally, a liquid such as a cleaning liquid or a processing liquid, a granular material having a specific gravity equal to or higher than that, and an object to be processed are housed in an oscillating tank which can be oscillated, and the oscillating tank is almost A method is known in which the liquid, the granular material, and the object to be processed are made to flow in a figure 8 shape by rocking at a constant speed to finish the surface. According to this, even if a large amount of granular material is mixed in the liquid, the liquid and the granular material largely flow with complicated behavior due to the rocking of the rocking tank, and a large amount of granular material come close to each other and Since the fluid flows in a disturbed state, the granular material and the liquid frequently contact and collide with the object to be processed arranged therein, and the object to be processed can be efficiently surface-finished.

[0003]

However, it takes a lot of time to store and take out the object to be processed in the rocking tank, and in particular, the rocking tank contains a large amount of granular materials. Therefore, it takes a lot of time and effort to take out the object to be processed embedded in the granular body from the rocking tank after the treatment.
There was a problem that the work efficiency was poor, and therefore there was a problem that automation was not possible.

In view of the above-mentioned conventional problems, the present invention provides a surface finishing treatment method capable of efficiently performing the surface finishing treatment without the trouble of handling the object to be treated and enabling automation. With the goal.

[0005]

According to the surface finishing method of the present invention, a treatment material and an object to be treated are housed in an oscillating tank, the oscillating tank is oscillated, and the object to be surface finished is treated. In, the object to be processed is held by the holding means, the processing material is accommodated and the object to be processed is inserted into the rocking tank that is rocking, and the surface finishing is performed while the object to be processed is held by the holding means. To process. After the processing, the object to be processed is taken out by the gripping means as it is.

Further, during the surface finishing treatment, vibration is applied to the object to be treated by the vibrating means so that the object to be treated and the treated material are brought into contact with each other more frequently to finish the surface more efficiently.

The swinging includes not only swinging about a fixed axis but also swinging upward by an appropriate angle at both ends of a horizontal movement in an appropriate range. By providing the device, the size of the device can be made relatively small while making the upper opening of the rocking tank large, and a large object to be processed can be processed.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the surface finishing method of the present invention will be described below with reference to FIGS.

In FIGS. 1 and 2, reference numeral 1 is a rocking tank,
The side surface is formed in a hexagonal shape, and both side end walls 1a, 1b thereof are formed.
Mounting plates 2a and 2b to which support shafts 3a and 3b are vertically fixed are fixed to the central portion of the. The support shafts 3a, 3b are rotatably supported by bearings 4a, 4b provided on both sides of the upper end of the frame 5, whereby the rocking tub 1 is rockably supported around a constant horizontal axis.

One of the support shafts 3a projects through a pair of bearings 4a arranged in parallel, the gear 10 is fixed to the tip of the support shafts 3a, and the drive shaft is provided below the support shaft 3a at the bottom of the frame 5. The means 6 is configured so that it can be driven to rotate forward and backward. The driving means 6 is composed of a servomotor 7 and a speed reducer 8 capable of rotating in the forward and reverse directions, and a timing chain 11 is wound between a gear 9 fixed to the output shaft of the speed reducer 8 and the gear 10 to drive the same. The rocking tank 1 can be rocked by the means 6 at substantially constant speeds except the rocking end, and the rocking angle range and rocking speed can be arbitrarily selected. The servomotor 7 and the speed reducer 8 are installed on a motor base 12 that is configured to be positionally adjustable so that one side is pivotally supported by a shaft 13 so that tension can be applied to the timing chain 11.

At the lower end of the frame 5, movable wheels 14 and adjusting bolts 15 for installation are provided. FIG.
As shown by phantom lines, the outer surface of the frame 5 and the bearings 4a and 4b and the gears 10 and 11 except for the upper opening of the frame 5.
The outer cover 16 covers the driving parts such as the above. The rocking tub 1 has an opening 17 formed on one side surface of the upper end of the six peripheral side surfaces, and the inner surface of the rocking tub 1 has a rubber lining for enhancing wear resistance and absorbing shock and noise. 18 and the rubber lining 18 has an opening 17
Has been extended to the outer surface of.

Reference numeral 21 is a robot arm, and a gripping means 22 is attached to the tip end of the robot arm via a vibration isolation means 24 such as a vibration-proof rubber and a vibrating means 25. 23
Is a holding jig for holding a plurality of objects to be processed 30 in parallel at a distance from each other, and is configured to be held by the holding means 22. The gripping means 22 is composed of a gripping tool main body 22a having an L-shaped cross section, a gripping plate 22b, and a cylinder 22c for moving the gripping plate 22b between the gripping tool main body 22a so that the gripping tool can be clamped / unclamped. In addition, the holding jig 23
Is composed of a laterally U-shaped jig body 23a and pressing tools 23b arranged at both ends thereof, and the pressing tools 23 face each other.
The rubber space blocks 24 and the object to be processed 30 are alternately arranged and sandwiched between b and 23b.

Next, a processing method for deburring the object 30 to be processed which is formed by pressing the plate material having the coating film by using the apparatus having the above-mentioned structure will be described.

In the rocking tank 1, a treatment liquid 31 obtained by adding a surfactant to water or warm water as a treatment material and a granular body 32 made of ceramic spheres or aluminum spheres having a smooth surface are housed. The storage amount of the processing liquid 31 in the granular body 32 is
It is desirable to be in a range between a state in which the liquid surface is located near the upper end of the granular body layer and a state in which the depth of the treatment liquid on the granular body layer is half or less of the height of the granular body layer. Although the treatment liquid 31 may be water or warm water only, it is preferable to add an appropriate amount of a surfactant.

On the other hand, in a separate step, a plurality of objects to be processed 30 are held by a holding jig 23, and this holding jig 23 is supplied to a predetermined position on the side portion of the surface finishing apparatus. Then, at the time of the surface finishing process, the holding jig 23 is held by the holding means 22 at the tip of the robot arm 21, and as shown by an arrow in FIG.
1 to be inserted into the workpiece 30 as shown in FIGS.
Is immersed in a treatment material composed of the treatment liquid 31 and the granular material 32. At that time, if the rocking tank 1 is rocked in the minute range by the driving means 6, even if a large amount of the granular bodies 32 are accommodated in the rocking tank 1, it can be easily immersed. Thus, the robot automatically collects a plurality of objects 30 to be processed in the rocking tank 1
Can be inserted inside. Further, in the inserted state, the workpieces 30 are held by the holding jig 23 at a distance from each other and arranged in the rocking tank 1 so that their plate surfaces are along the rocking direction of the rocking tank 1. It

Next, the rocking tank 1 is reciprocally rocked at a substantially constant speed within a predetermined rocking range by the driving means 6 as shown by an arrow in FIG. Vibration is applied to the object 30 in the swing direction of the swing tank 1 or in a direction orthogonal to the swing direction. Then, even if a large amount of the granular bodies 32 are accommodated in the rocking tank 1, the sliding layers that are opposite to each other are alternately formed at both ends of the rocking as the rocking tank 1 rocks.
And the treatment liquid 31 largely flow in a figure 8 shape on the rocking plane, and these granular materials are inserted along the surface of the object 30 to be fixedly held by being inserted into the rocking tank 1 by the robot arm 21. Three
2 and the treatment liquid 31 flow, and the burr protruding from the smooth surface of the object to be processed 30 is effectively removed without damaging the coating film on the surface of the object to be processed 30. Further, even if the rocking tank 1 rocks in this way, the object to be processed 3
Since 0 is held by the gripping means 22, the workpiece 3
There is no risk of scratches due to contact or collision between 0 and 30. Further, the object to be processed 30 is vibrated by the vibrating means 25, so that the object to be processed 30 is brought into contact with the granular material 32 and the processing liquid 31 more frequently, so that the burr is removed more efficiently in a short time. To be done.

The object 3 to be processed is caused by rocking the rocking tank 1 for a required time.
When the surface finishing treatment of 0 is completed, the swing and vibration are stopped, the robot arm 21 is operated, and the gripping means 22 is moved to the outside of the swing tank 1.
Can be collectively taken out from the rocking tank 1. Further, in the case of continuously performing the surface finishing treatment, the holding jig 22 holds the next holding jig 23 and inserts it into the rocking tank 1, and by repeating the above operation, the operation is very efficient. It is possible to perform a surface finishing process on the object 30 to be processed. Further, automation can be realized by using a robot or the like in this way.

In the illustrated example, the robot arm 21 is illustrated as a means for moving the holding means 22 holding the object to be processed 30 in and out of the rocking tank 1. However, not limited to the robot, any moving means may be applied. Although the holding jig 23 holds a plurality of objects 30 to be processed, the objects 30 to be processed may be individually gripped by the gripping means 22 and moved. Further, for example, a plurality of objects to be processed 30 such as small metal parts or processed products are attached to a plate-shaped jig or the like, the plate-shaped jigs are attached to a plurality of holding jigs 23, and the holding jigs 23 are gripping means. You may make it hold | grip at 22.

Further, in the above embodiment, the object to be processed 30 is
Is a pressed product of a metal plate having a coating film on its surface,
An example has been shown in which the treatment liquid 31 in which water is mixed with a surfactant and the granular material 32 of ceramics are housed in the rocking tank 1 and the burrs of the object to be treated 30 are removed. The present invention can be applied not only to deburring but also to various surface finishing treatments such as polishing, mirror finishing, plating, various other surface treatments, and cleaning. Further, the object to be treated 30 can also be applied to any shape and size of various materials such as various metal materials, plastics, rubbers, woods, stones and carbon.

Further, the present invention can be applied not only to the moisture treatment method having the treatment liquid 31 but also to the dry treatment method. In addition, as a treatment liquid in the case of wet treatment, water or warm water alone may be mixed with a surfactant or other detergent as described above, and various cleaning polishing liquids and chemical polishing liquids may be mixed depending on the treatment. It may be selected and used as the treating material, and as the treating material, granular materials such as ceramics, glass, plastics, rubbers and metals, and various compounds can be used. In the case of dry processing, plastic, bamboo, walnut, corn core, cotton seed, leather, etc. may be selected and used according to the object to be treated, and a polish such as wax or gloss finish may be added. Can be used for

[0021]

According to the surface finishing method of the present invention,
As described above, in the method of accommodating the processing material and the object to be processed in the rocking tank and rocking the rocking tank to finish the surface of the object to be processed, the object to be processed is gripped by the gripping means and processed. The material to be processed is inserted into the rocking tank in which the material is being swung, and the surface finishing treatment is performed while the object to be processed is held by the gripping means. It is possible to take out efficiently, it is possible to realize automation, and since the object to be processed is fixed and held, there is no risk of scratches due to mutual contact during the surface finishing process. Demonstrate.

Further, by applying vibration to the object to be processed by the vibrating means during the surface finishing process, the object to be processed and the processing material are contacted more frequently, and the surface can be more efficiently finished.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional front view of a surface finishing apparatus according to an embodiment of the present invention.

FIG. 2 is a side view of the surface finishing processing apparatus of the same embodiment.

FIG. 3 is a vertical cross-sectional side view of the rocking tank in the same surface finish processing apparatus with an object to be processed inserted.

[Explanation of symbols]

 1 rocking tank 22 gripping means 25 vibrating means 30 object to be treated 31 treatment liquid (treatment material) 32 granular body (treatment material)

Claims (2)

[Claims] 1. In a method of accommodating a treatment material and a treatment object in a rocking tank and rocking the rocking tank to perform a surface finishing treatment of the work object, the work object is gripped by a gripping means. A surface finishing treatment method characterized in that an object to be treated is inserted into an oscillating tank in which a treatment material is accommodated and is oscillated, and the object to be treated is surface-finished while being held by the holding means. 2. The surface finishing treatment method according to claim 1, wherein the vibrating means applies vibration to the object to be treated during the surface finishing treatment.