JP3222389B2 - Jig for plating - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plating jig, and more particularly to a plating jig for moving a contact point between a conductive member in contact with a workpiece and the workpiece.

[0002]

2. Description of the Related Art Conventionally, when a plating process is performed on a surface of a material to be plated, the material to be treated is suspended by a hanging jig and immersed in a plating solution. Before immersion, the material to be processed is supported by a conductive member, and the material to be processed and the suspending jig are immersed together in the processing liquid from this supported state,
After the treatment for a predetermined time, the workpiece and the suspending jig are pulled up, and after moving the contact point between the workpiece and the conductive member, the workpiece and the suspending jig are immersed again in the treatment liquid. The workpiece and the hanging jig are lifted from In such a step of once lifting the material to be processed into the air during the plating process, the plating cannot be applied to the contact portion between the material to be processed and the conductive member, so that the unplated portion remains, so that there is no undeposited portion. This is done for the purpose of If there is no moving step, the contact between the material to be processed and the conductive member is in a non-processed state in which no plating is performed.

[0003]

At the time of plating, withdrawing the above-mentioned material to be processed and the suspending jig from the processing solution,
The operation of moving the contact point of the material to be processed with the conductive member has been performed manually by a person skilled in the art. For this reason, not only the work becomes complicated, but also inconvenience due to processing in a place where the working environment is poor near the plating solution has been a problem.

An object of the present invention is to provide a plating jig in which a plating layer is formed uniformly on the surface of a workpiece by changing the position of a contact portion of the workpiece with a conductive member. With the goal. Another object of the present invention is to provide a plating jig capable of shortening a plating time and performing a plating process with high efficiency.

[0005]

According to the plating jig of the first aspect, the entire surface of the workpiece can be plated during the plating operation. In other words, the mechanical contact portion supporting the material to be processed can be plated also by moving the contact during the plating solution immersion. When the movable portion is moved in one direction, a spring that urges the movable portion to return it is attached to the fixed portion, so that the material to be processed can be easily returned to the original position.

In the plating jig according to the first aspect , the fixed portion is made of copper, the movable portion is made of stainless steel, the fixed portion is a lower frame having at least one horizontal bar, and is detachable from the lower frame. And an upper frame. According to a second aspect of the present invention, in the plating jig, the fixing portion has an upper frame and a lower frame formed integrally.

According to a third aspect of the present invention, in the plating jig, the conductive support member includes at least one pair of legs for elastically supporting the material to be processed. According to a fourth aspect of the present invention, in the plating jig, the legs supporting the material to be processed are fixed by the same horizontal bar portion of the lower frame. Claim
5. The plating jig according to 5, wherein the legs supporting the material to be processed are fixed at opposing portions of different horizontal bars of a lower frame.

According to a sixth aspect of the present invention, in the plating jig, the legs are attached to the lower frame such that the workpieces are arranged in a plane. Utensils. According to a seventh aspect of the present invention, in the plating jig, the conductive support member is provided so that the material to be processed is arranged in a three-dimensional space.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 7 show an embodiment of the plating jig of the present invention. As shown in FIG. 1, the plating jig 1
It comprises a fixed part 2 and a movable part 3. The fixing portion 2 includes a lower frame 4 and an upper frame 5 having a rectangular outer shape. The lower frame 4 has a plurality of horizontal bars 44 as shown in FIG. The lower frame 4 is made of copper, and a conductive support member 9 for supporting the workpiece 7 is erected in an intermediate space of the lower frame 4. Conductive support member 9
Means that one unit has four legs, 11, 12, 13, 1
Consists of four.

The conductive support member 9 is located at a position facing the legs 13 and 14 opposite to the legs 11 and 12. That is, the material 7 to be processed is elastically supported by four legs, one pair of legs 11 and 13 and the other pair of legs 12 and 14. The legs 11, 12 and the legs 13, 14 are fixed at their roots to the same horizontal bar 44 of the lower frame 4 as shown in FIG. The rod 44 is fixed at an opposing portion. As shown in FIG. 3, the opposite legs 11 and 13 are fixed to the horizontal bar 44 of the lower frame 4 in a bilaterally symmetric shape on both sides of the thin plate-shaped material 7 to be processed. As shown in FIG. 4, each of the legs 11, 12, 13, and 14 is
1. Crest 22, valley 23, leg 24 and root 25
Consists of The insertion portion 21 of the opposed legs 11 and 13 a distance of each other open in the shape upwardly opened as easily insert the workpiece 7 from the upper side is set to L _1. The mountain portion 22 is a portion that continues from a position inclined from the insertion portion 21 toward the lower frame 4,
Distance of each other has become a L _2. The valley 23 is the mountain 22
Distance from each other is in the L ₃ at a portion continuing from. The leg portion 24 is a portion extending from the valley portion 23 to the side bar 44 side.
4 so as to approach the surface formed by 4 in the vertical direction. The base portion 25 extends in an S shape so as to be bent from the lower end of the leg portion 24 and is fixed to the horizontal bar 44. Assuming the width a of the processing member 7, the distance between the legs 11 and 13 is
The relationship of L ₂ <L ₃ <a <L ₁ holds. this is,
In the process of assembling the processing target material 7, the processing target material 7 can be inserted from the insertion portion 21, and when the processing target 7 is slid over the peak 21, the processing target 7 is stably supported by the valley 23. That's why. At this time, the legs 24 elastically support both sides of the member 7 to be processed. A large number of such units are supported in a checkerboard shape on a surface at a position slightly away from the surface of the lower frame 4.

The upper frame 5, as shown in FIG.
At the free end sides of 2, 13, and 14, substantially parallel to the lower frame 4
At this point, screws 31, 32 and 33 are used to fix the screws. The movable portion 3 is attached to the lower frame 4 so as to be movable in a direction indicated by an arrow 43 in FIG. The movable portion 3 includes sliding rods 45 and 46 that are slidable with respect to the lower frame 4 and a pressing plate 48 that is disposed at substantially equal intervals in a direction perpendicular to the direction in which the sliding rods 45 and 46 extend. Consists of The push plate 48 pushes the movable portion 3 in the direction of the arrow 43 to thereby move the legs 11, 12,
The relative position between the member 7 and the legs 11, 12, 13, 14 can be moved by pushing the members 13, 14 from the side of the member 7. After the pushing, the movable portion 3 is returned to the original position again by the spring 41. The movable part 3 is preferably made of stainless steel.

According to this embodiment, as shown in FIG.
Material to be processed supported at four points of legs 11, 12, 13, and 14
7 is the end face 7 which was in the position of FIG.
The push plate 48 comes into contact with a, and the push plate 48 moves leftward in FIG.
Is supported by the legs 11, 12, 13, and 14
The workpiece 7 relatively moves to the left, and is shown in FIG.
The processing target material 7 moves to the position. Therefore, the material to be treated 7
Contact point a for legs 11, 12, 13, 14₁, A_Two, A_Three, A
_FourIs exposed on the outer surface and comes into contact with the plating solution.
The contacts are also plated. The contact point of the contact part after that
b₁, B_Two, B _Three, B_FourAnd these contacts b₁, B
_Two, B_Three, B_FourHas a plating film already formed
As a result, a plating layer is formed on the entire surface of the workpiece 7.
It is. This contact moving step is performed during the plating solution immersion.
This saves the operator the trouble of moving the workpiece 7 in the air.
Thus, a plating layer can be formed on the entire surface of the workpiece 7.
Wear.

Next, the procedure of the plating treatment step will be described with reference to FIG. (1) Assembly process First, the legs 11, 12, 13, 14 of the lower frame 4 before the plating process.
The material 7 to be processed is fitted into the support. At this time, legs 11, 1
The processing target material 7 is inserted from the insertion portions 21 of 2, 13, and 14, passes through the crest portion 22, passes through the valley portion 23, and is connected to the leg 11,
It is elastically supported by 12, 13, and 14.

(2) First immersion step The workpiece 7 supported by the upper frame 4 and the lower frame 5 is immersed in a processing liquid as shown in FIG. Then, electricity is supplied to the lower frame 4 side of the fixed portion 2 to be electrically processed. At this time, an electrolytic reaction is performed between the lower frame 4 and the anodes 27 through the legs 11, 12, 13, and 14 and the plating solution, and a plating layer is formed on the surface of the processing target material 7.

(3) Push operation During immersion, the movable part 3 is moved by an air cylinder (not shown).
5 by pressing down, arrow 4 in FIG.
The push plate 48 is pushed in three directions, and the push plate 48
7 comes into contact with the end face 7a of the movable part 3
The workpiece 7 is further pushed leftward in FIG.
As a result, as shown in FIG.
The left side shown in FIG. 7B relative to 2, 13, and 14
The workpiece 7 moves in the direction. At this time, legs 11, 12,
Contact point a between 13 and 14 and workpiece 7 ₁, A_Two, A_Three, A
_FourIs the contact b₁, B_Two, B_Three, B_FourGo to Therefore,
By moving the surface of the material to be treated 7 that is in contact with the plating solution,
Thus, plating is performed on the entire surface of the workpiece 7. This work
The step is performed during immersion.

(4) Second immersion step After the push operation, the energization is continued, and a plating layer is further formed on the surface of the material to be processed 7 thereon. (5) Removal Step When the energization is completed, the fixed part 2 and the movable part 3 are taken out of the plating bath together with the workpiece 7. After taking out, leg 11,
The workpiece 7 is removed from 12, 13, and 14, and is discharged as a plated product.

As shown in the above steps (1) to (5), the push operation is performed during the immersion step, so that the material to be processed is supported from the supporting portions of the legs 11, 12, 13, and 14 as the conductive members. Since the 7 moves, the plating layer can be formed on the entire surface of the material 7 to be processed without taking out the member to be processed during the immersion step. Therefore, a plating layer can be efficiently formed in a short time. At this time,
Worker hands do not come into contact with the plating solution.

According to this embodiment, there is an effect that it is possible to perform processing without contact when plating. In this embodiment, the example of performing the plating process has been described. However, it is needless to say that the moving means as in the present embodiment can be provided in the painting step.

[Brief description of the drawings]

FIG. 1A is a plan view of a plating jig according to an embodiment of the present invention, and FIG. 1B is a side view thereof.

FIG. 2 is a plan view of a lower frame according to the embodiment of the present invention.

FIG. 3 is an enlarged partial view taken along arrow 16 in FIG. 1 showing a support state between a workpiece and a leg according to the embodiment of the present invention.

FIG. 4 is a schematic view showing a shape of a leg according to an embodiment of the present invention.

FIG. 5 is a configuration diagram showing a relationship between a plating tank and a plating jig according to an embodiment of the present invention.

FIG. 6 is a time chart illustrating a plating process according to an embodiment of the present invention.

FIG. 7A shows a position of a material to be processed before being pushed,
(B) is a schematic diagram showing the position of the material to be processed after pushing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plating jig 2 Fixed part 3 Movable part 4 Lower frame 5 Upper frame 7 Material to be processed 9 Conductive support member 11, 12, 13, 14 Leg 21 Insertion part 22 Mountain part 23 Valley part 24 Leg part 25 Root part 41 Leaf spring 44 Horizontal bar 45, 46 Sliding bar 48 Push plate

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-6-302742 (JP, A) JP-A 54-45353 (JP, U) JP-A 62-70117 (JP, U) JP 3 25553 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) C25D 5/00-7/12 C25D 17/06

Claims (7)

(57) [Claims] 1. A fixed portion made of a conductive material made of copper, a conductive support member attached to the fixed portion and capable of elastically supporting a material to be processed, and a material to be processed supported by the conductive support member. A stainless steel movable portion that is abuttable and is relatively movably attached to the fixed portion, wherein the fixed portion has a lower frame having at least one horizontal bar, and an upper frame detachable from the lower frame. A jig for plating, wherein a spring for urging the movable portion in a direction to return it when moved in one direction is attached to the fixed portion. 2. The plating jig according to claim 1, wherein the fixing portion has an upper frame and a lower frame integrally formed. Wherein the conductive support member, plating jig of claim 1, wherein in that it consists of at least a pair of legs to elastically support the workpiece. 4. The plating jig according to claim 3 , wherein said legs supporting said material to be processed are fixed by the same horizontal bar portion of a lower frame. 5. The plating jig according to claim 3 , wherein the legs supporting the material to be processed are fixed at opposing portions of different horizontal bars of a lower frame. 6. The plating jig according to claim 3 , wherein the legs are attached to the lower frame so that the materials to be processed are arranged in a plane. 7. The plating jig according to claim 1, wherein the conductive support member is provided so that the material to be processed is arranged in a three-dimensional space.