JPH0976150A - Equipment for surface finishing treatment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To finish a surface of treated objects in a state in which damage to the treated objects caused by their mutual contact is prevented and to handle the treated objects easily and efficiently. SOLUTION: A fixing part 30 for fixing a plurality of treated objects 40 and a handle part 29 which extends upward from a fixing part 31 are provided. Besides, a treated object holding means 26 is provided whose center of gravity is situated in the vicinity of its lower end part in a state where a plurality of treated objects 40. The treated object holding means 26 is inserted into an oscillating tank 1, which oscillates with treating material 41, 42 accommodated therein. With this, the surface of the treated object 40 is finished by using a flow of the treating materials 41, 42, which accompanies the oscillation of the oscillating tank 1, with the treated object holding means 26 fixed to the bottom of the oscillating tank 1. In addition, by puling up the handle 29, the treated objects 40 can be taken out easily and collectively.

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 device for performing.

[0002]

2. Description of the Related Art The present applicant previously stored a liquid such as a cleaning liquid or a processing liquid, a granular material having a specific gravity equal to or higher than the liquid, and an object to be processed in an oscillating tank which can be oscillated. A method is proposed in which the liquid, the granular material, and the object to be processed are made to flow in a figure eight shape by rocking the moving tank at a substantially 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]

By the way, in order to apply such a surface finishing treatment method to deburring, for example, a pressed product of a plate material having a coating layer or a coating layer, such an object to be treated is placed in a rocking tank. However, there is a problem in that, when the container is housed and the finishing process is performed, the objects to be processed may come into contact with or collide with each other as the rocking tank rocks, and the coating layer and the coating layer may be damaged.

Further, when a large number of objects to be processed are stored in the rocking tank and a surface finishing process is performed, a large amount of particles are contained after the processing, so that the objects to be processed embedded in the particles are removed. It takes a lot of time and effort to take it out from the rocking tank, and there is a problem that work efficiency is poor.

In view of the above-mentioned conventional problems, the present invention makes it possible to finish the surface of the object to be processed in a state where it is prevented from being scratched by mutual contact, and to easily and efficiently handle the object to be processed. It is an object of the present invention to provide a surface finishing treatment device that can be used.

[0006]

A surface finishing treatment apparatus of the present invention stores a treatment material and an object to be treated in an oscillating tank and oscillates the oscillating tank to finish the surface of the object to be treated. In the surface finish processing apparatus, a fixed portion for fixing a plurality of objects to be processed and a handle portion extending upward from the fixed portion, and the center of gravity is near the lower end portion with the plurality of objects to be processed fixed. The object to be treated is inserted by inserting the object-to-be-processed holding means, which has a plurality of object-to-be-processed holding means and fixed a plurality of objects to be processed, into the processing tank which accommodates the processing material and swings. The object holding means sinks in the processing material while maintaining its posture due to its center of gravity and is placed at the bottom of the rocking tank, and the surface of the object to be processed is finished by the flow of the processing material accompanying the rocking of the rocking tank. After finishing the surface, the oscillating tank is stopped to stop the object holding means. And to enable quick easy collectively processing object by pulling with a hand portion.

Preferably, a weight portion is provided below the workpiece holding means.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the surface finishing apparatus 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 an octagonal shape, and both 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 driving parts such as the outer cover 16 are covered, and the swing tank 1
A safety cover 17 is provided to cover the upper opening of the frame 5 when the rocking drive is performed.

The rocking tub 1 has an opening 18 formed on one side surface out of eight peripheral side surfaces, and is closed by an opening / closing lid 19 so as to be opened and closed. The inner surface of the rocking tank 1 has a rubber lining 20 for enhancing wear resistance and absorbing shock and noise.
The rubber lining 20 extends to the outer surface of the opening 18. The opening / closing lid 19 is pivotably supported by a plurality of hinges 21 (three on both sides and the center in the illustrated example) arranged at one side edge of the opening 18 so as to be openable / closable, and hinged on the outer surface of the opening / closing lid 19. A plurality of locking means 22 arranged corresponding to 21 are respectively engaged with engaging fittings 23 arranged on the other side edge of the opening 18 so that the closed state is maintained. . The lock means 22 operates the handle portion 22a to engage the engaging portion 22b with the engaging fitting 2
It is configured so that it can be engaged with and disengaged from 3.
The opening / closing lid 19 is configured such that a wall body 25 having a rubber lining is attached to the inner surface of the frame body 24 to which the hinge 21 and the lock means 22 are attached so that the opening 18 can be sealed. Wall 25 with this rubber lining
Instead of a punching plate or a mesh plate, the rocking tank 1
It is also possible to configure so that only the processing liquid 41 can be easily discharged when the opening portion 18 is positioned downward by rotating 180 °.

Reference numeral 26 denotes an object-holding means for fixing a plurality of objects 40 to be processed and inserting the object 40 into the rocking tank 1. As shown in FIGS. 3 and 4, a weight portion 27 is provided at the bottom. A bracket 28 for both fixing and gripping is extended upward from both ends of the weight 27, and a gripping portion 29 is formed on the upper part thereof. A fixing portion 30 for fixing the object 40 to be processed is provided at an appropriate distance above the weight portion 27 of the fixed / handle bracket 28. The fixed portion 30 includes a fixed / handled bracket 28 and a weight portion 2 of the fixed / handled bracket 28.
7, a nut 31 fixed at an appropriate position above, a fixing bolt 32 screwed into the nut 31, and a pressing plate 33 rotatably attached to the tip of the nut 31, and pressing plates 33 facing each other, Space blocks 34 made of rubber or soft synthetic resin and objects 40 to be processed are alternately arranged and sandwiched between 33. The weight portion 27 has a mountain shape with a substantially low cross-sectional shape, and has a flat top surface and a bottom surface that is a flat surface that is a stationary surface with respect to the inner bottom surface of the rocking tank 1. Further, the weight of the weight portion 27 is set such that the center of gravity of the workpiece holder 26 is located within the cross section of the weight portion 27 with a predetermined number of the workpieces 40 fixed to the fixing portion 30. ing.

Next, a description will be given of a processing method for deburring the object 40 to be processed, which is formed by pressing the plate material having the coating film by using the apparatus having the above-mentioned structure.

In the rocking tank 1, a treatment liquid 41 in which a surfactant is added to water or warm water as a treatment material and a granular body 42 made of ceramic, titanium alloy or the like having a smooth surface are housed.

The amount of the processing liquid 41 accommodated in the granular material 42 is such that the liquid surface is located near the upper end of the granular material layer and the depth of the processing liquid on the granular material layer is less than half the height of the granular material layer. It is desirable to be within a range between certain states. The treatment liquid 41 may be water or warm water only, but it is desirable to add an appropriate amount of a surfactant.

On the other hand, as shown in FIG. 4, the space blocks 34 and the object 40 are alternately arranged between the pressing plates 33, 33 on the weight 27 of the object holding means 26 in advance, and the fixing bolts 32 are provided. The objects 40 to be processed are arranged and fixed at regular intervals by being screwed into the nut 31 and sandwiched.

During the surface finishing treatment, the rocking tank 1
The opening / closing lid 19 is opened, and the object-to-be-processed holding means 26, to which the object to be processed 40 is fixed, is inserted into the processing tank 1 while the swinging tank 1 is swung by the driving means 8 in a minute range. Then, the inserted object holding means 26 maintains the posture due to the center of gravity along with the rocking of the rocking tank 1, and the treatment liquid 41 and the granular body 42.
And then settled on the inner bottom surface of the rocking tank 1 as shown in FIG. When the object holding means 26 sinks from the opening 18, the opening / closing lid 19 is closed and the locking means 22 closes. Thus, the object holding means 2 is placed in the rocking tank 1.
A large number of objects 40 to be processed can be housed in the rocking tank 1 without inserting them by simply inserting 6. In this state, the object 40 to be processed is installed so that its plate surface is along the swing direction of the swing tank 1.

Next, the rocking tank 1 is rocked back and forth at a substantially constant speed within a predetermined rocking range by the driving means 6. Then, even if a large amount of the granular bodies 42 are stored in the rocking tank 1,
As a result of the rocking, the sliding layers that are opposite to each other are alternately formed at both ends of the rocking, and the granular material 42 and the treatment liquid 41 largely flow in the shape of figure 8 in the rocking plane. An object to be processed 40 in which a processing liquid 41 is fixed to a lower portion in the rocking tank 1.
Therefore, the burr protruding from the smooth surface of the object to be processed 40 is effectively removed without damaging the coating film on the surface of the object to be processed 40.
Further, even if the rocking tank 1 swings in this way, the object to be processed 40 is fixed to the fixing portion 30 of the object to be processed holding means 26, so that the objects to be processed 40, 40 are damaged by contact or collision. There is no risk of sticking.

The object to be processed 4 is caused by rocking the rocking tank 1 for a required time.
When the surface finishing treatment of 0 is completed, the swinging is stopped, the opening / closing lid 19 is opened, and the handle 29 of the workpiece holding means 26 is held and pulled up, so that the plurality of workpieces 40 are swung together. It can be taken out of the tank 1. In that case,
When the rocking tank 1 is rocked in a minute range, the object holding means 26 can be easily pulled up. Further, when the surface finishing treatment is continuously performed, the untreated object 4
By inserting another processing object holding means 26 in which 0 is fixed in advance into the rocking tank 1 and repeating the above operation, the surface finishing processing of the processing object 40 can be performed very efficiently. .

In the above embodiment, the object 40 to be processed is a pressed product of a metal plate having a coating film on the surface thereof, and the processing liquid 4 in which water is mixed with a surfactant as a processing material in the rocking tank 1.
1 and the ceramic granules 42 are contained and the burr of the object 40 to be processed is removed, but the present invention can be applied to deburring other articles and parts, and is not limited to deburring. It can be applied to various surface finishing treatments such as polishing, mirror finishing, plating, various other surface treatments, and cleaning. Further, the object 40 to be processed can also be applied to any shape and size of any material such as various metal materials, plastic, rubber, wood, stone, carbon and the like.

Further, the present invention can be applied not only to the moisture treatment method having the treatment liquid 41 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

[0023]

According to the surface finishing apparatus of the present invention,
As described above, the center of gravity is located in the vicinity of the lower end portion with the fixing portion for fixing the plurality of objects to be processed and the handle portion extending upward from the fixing portion, and with the plurality of objects to be processed fixed. Since a plurality of objects to be processed are provided, the plurality of objects to be processed are fixed to the objects to be processed holding means, the processing materials are accommodated, and the processed materials are inserted into the swinging processing tank to hold the objects to be processed. The means can be placed at the bottom of the rocking tank to finish the surface of the object to be processed by the flow of the processing material accompanying the rocking of the rocking tank, and the object to be processed is fixed by the fixed portion. Therefore, there is no risk of scratches coming from contact with each other during the surface finishing treatment.After the surface finishing treatment, the rocking tank is stopped and the handle of the workpiece holding means is pulled up to lift the workpiece. They can be taken out in a batch and easily, so the objects to be processed are scratched by mutual contact. It is possible surface finish without fear attached, it is possible to perform the storage and take-out of the workpiece with respect to the oscillating tank easily and efficiently.

Further, when the processing object holding means has the weight portion, the processing object holding means can be reliably and stably placed on the inner bottom surface of the rocking tank.

[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 a rocking vessel of the surface finishing apparatus.

FIG. 4 is a partially enlarged front view of an object holding means of the surface finishing processing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 rocking | fluctuation tank 26 to-be-processed object holding means 27 deadweight part 29 grip part 30 fixed part 40 to-be-processed object 41 processing liquid (processing material) 42 granular material (processing material)

Claims (2)

[Claims] 1. A surface finishing treatment apparatus for finishing a surface of an object to be processed by accommodating a processing material and an object to be processed in an oscillating tank and oscillating the oscillating tank. Having a fixed portion and a handle portion extending upward from the fixed portion,
A surface finishing treatment apparatus comprising: an object holding means having a center of gravity located near the lower end portion in a state where a plurality of objects are fixed. 2. The surface finishing treatment apparatus according to claim 1, further comprising a weight portion below the workpiece holder.