JPH07268693A - Liquid treating method of work and device therefor - Google Patents

Abstract

PURPOSE:To obtain a liquid treating method free from the generation of stain or discoloration by executing an operation to dip a work with the top upward and to take it out with the top downward in the liquid treating method of the cap like work. CONSTITUTION:The cap like work 1 is loaded with the top of the work 1 faced to the bottom side of a casing 7 and when a hoisting accessory 14 is at the upper position of the liquid vessel 8, the casing 7 is hung to face the bottom side upward and dipped into the liquid vessel 8 to face the bottom side downward by turning the casing 7 when the hoisting accessory descends. Air pocket is not generated since the work 1 is dipped with the top of the work 1 faced downward. Next, when the hoisting accessory 14 ascends, the casing 7 is hung to face the bottom upward by reversely turning the casing. The scooping up of the liquid is not generated since the top of each work 1 is upward, that is, the opening part is downward. Further, the work 1 is dried by inclining it on a dryer. As a result, a series of liquid treating operation with many liquid vessels successively formed is facilitated and easily automated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid treatment method for various parts, in particular, a cap-shaped part (hereinafter referred to as "workpiece") is immersed in a treatment liquid to perform plating, pickling, water washing, alcohol washing,
When performing a series of liquid treatment such as drying, the work is scooped out of the treatment liquid, or air pockets are created in the work in the treatment liquid, which prevents discoloration etc. after the treatment, and a good treatment is performed. Liquid processing method and apparatus.

[0002]

2. Description of the Related Art Various works such as electronic parts are subjected to various liquid treatments such as acid treatment and washing during the manufacturing process. These liquid treatments are usually carried out by placing a work in a basket having a mesh or pores and immersing the work in a liquid tank or stirring.

For example, FIG. 4 is a diagram showing a cleaning process of a cap used for a crystal oscillator. A basket 2 containing a work 1 is immersed in a cleaning liquid 4 in a liquid tank 3 and the basket 2 is shaken in the cleaning liquid 4. After moving or stirring the cleaning liquid 4, the basket 2 is taken out of the liquid tank 3 and a predetermined cleaning process is performed.

[0004]

By the way, in the conventional cleaning processing of electronic parts, each work 1 is randomly accommodated in the basket 2. For example, the work 1a with the head of the cap facing upward is the head. There is a problem that air pockets 5 are formed inside the part, and this part cannot be sufficiently cleaned. On the contrary, the work 1b with the head of the cap facing downward does not cause such a problem of the air pocket 5, but when the basket 2 is pulled up from the liquid tank 3, as shown in FIG.
There was a problem that scooping out 6 of the liquid occurred, it took a long time to dry, and after the drying, the residue of the cleaning liquid remained on this portion, causing discoloration.

Therefore, by adopting a so-called barrel system in which the work 1 is put in the basket 2 and rotated, the problem of the air pocket 5 is considerably improved.
The removal of the air pockets 5 took a considerable amount of time, and the problem of the scooping out of the liquid 6 was still unsolved.

Further, when the work 1 is hot-air dried or centrifugally dried after the above-mentioned washing treatment, there is a problem in quality such that it is difficult to dry the inside of the head of the cap of the work 1 and the work is discolored.

Therefore, the present invention has been made in view of the above-mentioned problems in the quality of the liquid treatment process of the conventional electronic parts, and in particular, when the cap-shaped component having the head is subjected to the liquid treatment, air pockets or the like are not generated and it is ensured. A liquid processing method and a liquid processing apparatus for a work, in which the liquid is not scooped out after the liquid processing and the liquid residue does not cause stains or discoloration due to the residual liquid after the liquid processing. The purpose is to do.

[0008]

In order to achieve the above object, a work aligning jig is used for the liquid treatment of the work of the present invention, the work is mounted on the aligning jig, and the work is loaded into the casing while keeping the aligned state. To do. The loaded casing is immersed in a liquid tank with the head of the work facing downward so as to prevent air pockets from being generated in the work, and a predetermined liquid treatment is performed. After liquid processing, the casing is taken out from the liquid tank with the head of the work facing upward so that the processing liquid will not be squeezed out by the work. Specifically, the configuration is as follows. To do. That is, the liquid processing method of the work of the present invention is a liquid processing method of a work, in which a lifting tool attached to a casing is moved up and down on a liquid tank, and the work loaded in the casing is immersed in the processing liquid together with the casing, The work is attached to the aligning jig, and the aligning jig is loaded into the casing with the head of the work facing the bottom side of the casing, and the bottom side of the casing when the hanging tool is located above the liquid tank. While hanging upwards, when the hanging device is lowered, the casing is rotated to immerse the casing in the liquid tank with the bottom side of the casing facing downward, and when the lifting device is raised, It is characterized in that the casing is rotated in the reverse direction and the bottom side of the casing is lifted up from the inside of the liquid tank. Further, in the liquid processing method of the work of the present invention, the casing hung from the liquid tank is slanted on a dryer so that the head of the work is located above, and the work is dried. It is characterized by that. Further, the liquid processing apparatus for a work of the present invention is a liquid processing apparatus for carrying out liquid processing of a work by raising and lowering a hanging tool attached to a casing onto a liquid tank, immersing the work loaded in the casing in the processing liquid together with the casing. And the work is mounted on an alignment jig,
The head of the work is loaded into the casing with the bottom surface side of the casing, and the casing has a suspending tool rotatably pivoted on the bottom surface side without the center of gravity and a locking tool projectingly provided on the upper surface side. When the hanger is in the upper position on the liquid tank,
The casing is hung with the bottom side facing upward,
When the suspending tool descends, the casing is lowered into the liquid tank with the bottom surface side facing downward while the locking tool on the upper surface side is locked on the liquid tank and rotates around the locking point. When the lifting device is lifted, the casing is lifted from the inside of the liquid tank with the bottom side facing upward while rotating in the opposite direction around the locking point.

[0009]

The work is mounted on the aligning jig, the heads are aligned in the same direction, and loaded in the casing in the aligned state. Therefore, all the works are arranged in the casing with their heads aligned in one direction. Further, since the head is arranged downward in the liquid tank, no air pocket is generated in the head of the work during the liquid treatment. In addition, since the head is turned upside down when taking out from the liquid tank, scooping of the liquid at the work head is prevented. Also, since the casing is placed on the dryer so that the head of the work is located above, the work head can be easily dried without liquid retention, and the work can be dried consistently without taking it in and out. Liquid treatment can be performed. In addition, the casing is a suspension system that uses suspension equipment, and since the casing is inverted when the suspension equipment is moved up and down, the posture of the casing is inverted inside and outside the liquid tank, and a series of liquid treatments in which multiple liquid tanks are connected in series is performed. The device can be easily constructed.

[0010]

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows one embodiment of the present invention, which is a one-liquid treatment step for performing a series of liquid treatments such as plating, acid treatment, water washing, alcohol washing, and drying on a liquid-treated workpiece such as an electronic component. For example, it shows an alcohol washing step after washing with water.

That is, in the liquid processing step of this work, the work 1 to be liquid-processed is loaded into the casing 7, and the casing 7
Is raised and lowered on the liquid tank 8 to immerse the work 1 together with the casing 7 in the processing liquid 9 in the liquid tank 8. In addition, (a) to (d) of the same figure are operation explanatory views of the above-mentioned cleaning process, and mainly show the posture of the casing 7 with respect to the liquid tank 8 at each stage of movement, lowering, liquid treatment, and rising of the casing 7. There is.

FIG. 2 is a side view of the casing 7 in a state where it is lowered into the liquid tank 8. That is, the casing 7 is composed of a rectangular frame in which a plurality of shelves 10 are formed inward, and the work 1 mounted on the alignment jig 11 on each shelf 10 has its head on the bottom surface side a of the casing 7. It is loaded while facing and aligned. Further, on the outside of the upper surface side b of the casing 7,
A locking tool 12 composed of a wide bar that is locked to the upper part of the liquid tank 8 is provided in a protruding manner, and the casing 7 is attached to shafts 13 provided on both sides of the bottom surface side a where the center of gravity of the casing 7 is removed. A lifting tool 14 for raising and lowering is rotatably pivoted. Further, an opening / closing door 15 for loading / unloading the work 1 is arranged on the side surface side c of the shelf 10. Although not shown, the suspending tool 14 is connected to a drive system and horizontally moves to move the casing 7 between the liquid tanks 8 and moves up and down to move the casing 7 up and down on each liquid tank 8 to move the work 1 The prescribed liquid treatment is performed.

In such a structure, first, as shown in FIG. 1 (a), the casing 7 is suspended by a suspending tool 14 so as to move from a water washing tank (not shown) to a position above a liquid tank 8 of an alcohol cleaning tank. Will be transferred. When the casing 7 is transferred between the liquid tanks 8, since the shaft 13 of the casing 7 is displaced to the bottom surface side a where the center of gravity of the casing 7 is removed, the casing 7 is moved to the bottom surface side a.
Is suspended upward, and therefore, the respective works 1 are arranged in the casing 7 so that the head thereof is upward, that is, the mouth thereof is downward, and the water is drained in the previous step at the time of transfer.

Next, as shown in FIG. 1 (b), the suspender 1
4 is lowered on the liquid tank 8, the fastener 1 of the casing 7
2 is locked on the liquid tank 8, the casing 7 rotates in the direction of the arrow around this locking point, and the casing 7 descends into the liquid tank 8.

When the suspending tool 11 is lowered to the minimum, the casing 7 is placed on the bottom surface side a as shown in FIG. 1 (c).
Is completely lowered into the liquid tank 8 and the work 1 is immersed in the processing liquid together with the casing 7. Therefore, the respective works 1 are arranged with their heads facing downward, and the air pockets 5 do not occur. In this state, the processing liquid is agitated or the casing 7 is swung so that each work 1 is processed accurately.

Next, when the liquid treatment is completed, the casing 7 is lifted by the lifting tool 14 as shown in FIG. 1 (d). At the time of this rising, the casing 7 is rotated around the locking point of the locking tool 12 in the direction opposite to that at the time of lowering and is lifted from the liquid tank 8. Therefore, the head of each work 1 is upward,
In other words, the mouth is placed downward, and the treatment liquid in the head is discharged. After that, as in the case of the movement of FIG. 1A, the respective works 1 are arranged such that their heads are upward, that is, their mouths are downward, and are suspended, while discharging the liquid during liquid processing, Move to the next process.

Further, FIG. 3 shows another embodiment of the present invention, which shows a drying process of the work carried out at the final stage of the liquid treatment.

That is, in the process of drying the work, the work 1 which has been subjected to the liquid treatment in the liquid treatment process is dried while being loaded in the casing 7, and the liquid treatment of the work is completed.

That is, the casing 7 which has been subjected to the liquid treatment is
In the moving state shown in FIG. 1A, that is, in a state where the bottom surface side a of the casing 7 is directed upward, the hanging tool 14 suspends the suspension.
Transferred onto the dryer 16, the locking member 12 on the upper surface side b of the casing 7 is locked onto the drying device 16, and the bottom surface side a of the casing 7 is supported by the suspending tool 14 above the drying device 16, The casing 7 is arranged so as to be inclined at a predetermined angle so that the head of the work 1 is located above. According to such a configuration, the works 1 are aligned in the casing 7 with their mouths facing downward, and can be easily dried by the hot air of the dryer 16 or the like. Then, the work loading, the liquid treatment, and the drying work can be performed consistently, and it is not necessary to take the work in and out one by one. Further, the processing can be performed while the casing is loaded, and the work can be automated and the labor can be saved.

[0021]

As described above, according to the present invention, since the casing in which the works are loaded in the aligned state is arranged so that the head of the works faces downward in the liquid tank, the works are liquid-processed. There is no air pocket inside the head, and uniform liquid treatment is possible. When the product is taken out of the liquid tank, the casing is turned upside down so that the work head faces upward, so the liquid is not squeezed out of the work head and stains or discoloration due to liquid residue do not occur. Good liquid treatment is performed. Also, since the casing is hung by a suspender and the casing is inverted when the suspender is moved up and down, the posture of the casing can be inverted inside and outside the liquid tank, and a series of liquid treatment work in which many liquid tanks are connected in series and The automation of the liquid processing apparatus becomes easy, and a liquid processing apparatus for a work having excellent quality can be provided.

[Brief description of drawings]

FIG. 1 is an operation explanatory view of a casing in a liquid treatment process of the present invention.

FIG. 2 is a side view of the casing of FIG. 1 in a state of being lowered into a liquid tank.

FIG. 3 is a side view of the casing in the drying process of the present invention.

FIG. 4 is a schematic diagram illustrating an outline of a conventional liquid treatment process.

FIG. 5 is a schematic diagram illustrating an outline of a conventional liquid treatment process.

[Explanation of symbols]

 1 Work 7 Casing 8 Liquid tank 9 Treatment liquid 11 Alignment jig 12 Locking tool 13 Shaft 14 Lifting tool 16 Dryer a Bottom side b Top side

Claims (3)

[Claims] 1. A liquid processing method of a work, wherein a hanging tool attached to a casing is moved up and down on a liquid tank, and the work loaded in the casing is immersed in the processing liquid together with the casing, wherein the work is mounted on an alignment jig. Then, the alignment jig is loaded into the casing with the head of the workpiece facing the bottom surface side of the casing,
When the suspending tool is located above the liquid tank, the bottom side of the casing is hung upward, and when the suspending tool descends, the casing is rotated to move the bottom side of the casing downward. Liquid treatment of the work, characterized in that the casing is immersed in the liquid tank toward the base and the casing is rotated in the reverse direction when the lifting device is lifted, and the bottom surface side of the casing is lifted upward from the liquid tank. Method. 2. The casing is hung from the liquid tank, the casing is slanted on a dryer so that the head of the work is located above, and the work is dried. 1. The liquid processing method of the work according to 1. 3. A liquid processing apparatus that liquid-processes a work by raising and lowering a hanging tool attached to a casing above a liquid tank, and immersing a work loaded in the casing together with the casing in a processing liquid. It is mounted on an alignment jig and is loaded into the casing with the head of the work facing the bottom surface side of the casing. The casing has a lifting tool rotatably pivoted on the bottom surface side which is out of the center of gravity and is engaged on the upper surface side. When the stopper is projectingly provided and the suspending tool is at an upper position on the liquid tank, the casing is suspended with the bottom surface side facing upward, and when the suspending tool descends, the casing is locked on the upper surface side. The tool is locked on the liquid tank and is rotated around the locking point, and is lowered into the liquid tank with the bottom side facing downward, and when the lifting tool is raised, the casing is centered on the locking point. While rotating in the opposite direction, the bottom side faces upwards Work liquid processing apparatus, characterized by being lifted from the inner.