JPS63166991A - Pallet for work conveyance of plating treatment device - Google Patents

Abstract

PURPOSE:To improve the efficiency of operation and to reduce the loss of a plating liquid by providing prescribed adapters, etc. to pallets so that various sizes of works can be plated by using the common pallet and that the putting in and out of the plural works are permitted. CONSTITUTION:This pallet P for work conveyance is imposed on a top plate 45 and the plating liquid is injected from a nozzle 46 on the lower side of the plate 45. A resting part 17 for conveyance and an adapter supporting hole 15 having an adapter supporting part 15a are provided to said pallet P. A work supporting part 26a corresponding to the outer shape size of the work W and the adapter 25 provided successively thereto are fitted into the hole 15. The adapter 25 has a plating hole 26 to allow the passage of the plating liquid and is freely interchangeable fitted into said pallet P.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a pallet for transporting a workpiece in a plating processing apparatus that plating a workpiece while spraying a plating solution from a spray nozzle.

(Prior art and its problems) (1) A conventional plating processing device places a plurality of workpieces on the top plate 45 above each direct injection nozzle,
Even after the plating process is completed, each workpiece is attached to the top plate 4.
It is configured to be taken out from 5. Therefore, there is a problem in terms of the efficiency of workpiece supply and removal work.

(2) When plating workpieces of different types and shapes, a top plate is required for each shape, which is an economical burden, and also requires a significant amount of setup work and man-hours.

(3) If the workpiece is fitted onto the top plate and transported together with the top plate to the next process, the amount of plating solution adhering to the top plate taken out becomes significantly large.

(Objective of the Invention) The object of the present invention is to make it possible to easily supply or take out a plurality of workpieces at the same time, to perform plating work on workpieces of various sizes using a common pallet, and to provide a plating solution. The goal is to reduce the number of items taken out.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides a pallet for transporting plating solutions in which plating solution is sprayed from the bottom of a top plate on which a pallet for transporting works is placed. The workpiece conveyance pallet is provided with a conveyance receiver and a top support hole having a top support part, and the top support hole has a workpiece support part corresponding to the external dimensions of the workpiece and a top support hole connected to the workpiece support part. A top having plated holes through which the accumulating liquid can pass is fitted, and the top is replaceably fitted to a workpiece conveying pallet.

(Example) Fig. 1 shows a plan view of a pallet for transporting workpieces according to the present invention. In Fig. 1, assuming that the workpiece transporting direction is the front side, the pallet P has a pair of front and rear frames that are long in the left-right direction. 11, and a body plate 12 fixed to the frame 11 via a connecting member 13, and a top support hole 15 is formed in the plate 12. A pair of rectangular transport receivers 17 are fixed to the left and right ends of the frame 11 and are supported by a transport beam 51 (to be described later). A pair of good sleds 20 are fixed on the left and right sides in the front and rear parts. A pin hole 22 for positioning is formed in the center of the transport receiver 17 and the sled 20, respectively.

In FIG. 2, which shows the side view of the arrow ■ in FIG. part) 15a is formed. A concave sled surface 20a is formed on the lower surface of the sled 20, and a loading roller 52 and a chain roller 72, which will be described later, come into contact with the sled 20.

FIG. 3 is a sectional view of the plating processing part of the plating apparatus of the present invention, in which a conveying pallet P is mounted on the top plate 45.
A fourth piece supporting hole 15 having a top supporting portion 15a is formed in the plate portion 12 of the workpiece conveying pallet P.
Various square-shaped tops 25.25 as shown in Fig. 5.
’ is inserted interchangeably.

The tops 25 and 25' are formed with plating holes 26 through which the plating solution sprayed from a nozzle 46 having a workpiece support part 26a and an electrode part corresponding to the external dimensions of the workpiece can pass through. They are fitted together via the top plate 45 and the packing G1.

Figures 4 and 5 show square-shaped pieces 25 and 25' that correspond to various workpiece sizes. That is, the piece 25 in Figure 4 has a size that perfectly fits a workpiece W having an external dimension W^. A workpiece support portion 26a is formed, and a workpiece support portion 26'a of a size such that a workpiece W' having an outer dimension WB of the workpiece is just fitted is formed in the top 25' of the drawing.

FIG. 6 shows a schematic longitudinal cross-sectional view of a plating processing apparatus using the workpiece conveyance pallet of the present invention. In this FIG. A loading section 2 is disposed behind the plating section 1, and a water washing section 3 and a water immersion section 4 are disposed in this order at the front of the plating section 1. A pallet transport device 8 is provided between the rear end of the loading section 2 and the rear end of the washing section 3, and a pallet conveying device 8 is provided between the rear end of the washing section 3 and the front end of the dipping section 4. A conveyor device 10 for conveying pallets is arranged.

The loading section 2 has a pair of left and right loading rollers 52.
It is equipped with The water washing section 3 includes washing cases 61 in three rows in front and back, and has a pallet passage 66. Water spray nozzles 63 are arranged above and below the passage 66, respectively.
It is supposed to spray water towards you. A receiving plate 64 and a recovery tank 65 are arranged on the lower side of the case 61.

A shallow boule 67 is arranged in the water immersion part 4, and water is poured into the boule 67. Also conveyor device 1
An unloading section 81 is arranged at the rear end of the vehicle.

The plating processing section 1 is mounted on a mounting frame 30 as shown in FIG.
A base plate 31 is provided on the base plate, and a cell block 32 for spray plating is provided on the base plate. Each cell has a built-in plating liquid spray nozzle 46 corresponding to each piece support hole 15 of the pallet P.

Stays 35 projecting upward are arranged on both left and right sides of the base plate 31, and positioning pins 36 projecting upward are provided on the upper end surfaces of the stays 35, respectively. Stay 35
The left and right distances match the distances between the sleds 20 of the pallet P. An upper holder 37 equipped with a vertically movable cylinder 40 is arranged above the cell block 32, and holds the workpiece and supplies power.

The transport device [18] is equipped with a pair of left and right beam guides 50 and a pair of left and right transport beams 51, and by the vertical movement of the beam guide 50 and the movement of the transport beam 51 in the front-rear direction, is capable of performing a square operation as shown in FIG. That is, in FIG. 7, the transport beam 51 starts from the position of the solid line,
The process of ascending, moving forward, descending, retreating, and returning can be repeated. S indicates a movement stroke in the front-back direction.

As shown in FIG. 8, the conveyance beam 51 protrudes further inward than the beam guide 50, and the upper surface of its inner circumferential end abuts against the conveyance receivers 17 at both ends of the pallet P. It is now possible to lift.

Next, plating processing, water washing, etc. will be explained.

(1) When plating a workpiece W as shown in FIG. 4, select a piece 25 that matches the external dimension WA of the workpiece W, and place the piece 25 on the support portion 15a of each piece support hole 15 of the pallet P. Place the workpiece support part 26a of each piece 25
A workpiece W (for example, an integrated circuit board) is placed on each.

The workpiece W is placed on the top 25 with its plated side facing down.

In addition, a workpiece W′ with different external dimensions WB as shown in FIG.
When plating, the external dimensions WB of the workpiece W'
Select the top 25' that matches the
The tops 25' are placed on the five top support sections 15a, and the workpieces W' are placed on the workpiece support sections 26'a of each top 25'.

(2) For example, the conveyance pallet P on which the workpiece W shown in FIG. 4 is placed via the top 25 is placed on the loading section 2. At this time, the sled 20 in FIG. 2 of the conveyance pallet P is placed on the loading roller 52, and the conveyance beam 51 is at the rear position and is lowered together with the beam guide 50.

(3) Beam guide 50. The conveyance beams 51 rise together, and thereby the conveyance pallet P of the loading section 2 is transferred from the loading roller 52 to the portion 17 (the second
Figure) lift through.

Subsequently, the transport beam 51 moves forward to transport the transport pallet P into the plating processing section 1, and then descends to place the transport pallet P on the stay 35 having the positioning bin 36 as shown in FIG. Then, the transport beam 51 returns to the rear.

The conveyance pallet P is positioned in the front and left and right directions by the positioning bin 36, and each workpiece W is positioned above the plating injection nozzle 46 as shown in FIG.

(4) When the pallet P has been set in the plating processing section 1, the upper holder 37 shown in FIG. 8 descends to hold down the workpiece and to supply power to the workpiece.

(5) The plating liquid is sprayed from the injection nozzle 46 onto the lower surface of the work W (
The gold plating is applied to the plating surface. The injected plating liquid is returned to the plating tank 33 shown in FIG.

(6) When the plating process is finished, the upper holder 37 rises,
Subsequently, the conveyance beam 51 rises, lifts the conveyance pallet P in the plating processing section with its front half, moves forward to carry it to the starting end of the conveyor device 10, and descends to lift the conveyance pallet P to the conveyor device 10. Place it on the chain roller 72.

(7) The chain roller 72 supports the sled 20 of the conveying bullet P shown in FIG. 2, and is conveyed forward. Then, it passes through the passage 66 of the washing section 3 shown in FIG. The water washing section 3 is composed of a shower part 61 and a lower circulation tank 65. Each uses a three-stage countercurrent shower cleaning method, and cleaning water is sprayed from a shower nozzle 63. By providing three-stage countercurrent shower cleaning, the cleaning effect in various types is improved, and there is no need to pump undiluted solution to the next process. Therefore, the workpiece can be washed with a small water supply m, and the water load on the wastewater treatment device is extremely small, and the equipment cost is low.

(8)! After the 112 delivery pallet P passes through the water washing section 3,
It is lowered at the intermediate roller portion 77, immersed in the pool 67, and stocked. That is, by immersing it in the pool 67, the plating surface is prevented from drying and oxidizing. The chain rollers 72 slide or shift relative to the stocked transport pallets P. The transport pallets P in the pool 67 are sequentially taken out from the unloading section 81.

(Another Embodiment) (1) Although the illustrated embodiment shows an example in which the present invention is applied to gold plating, it can be applied to various types of spray plating such as spray silver plating.

(2) Although only two types of tops are disclosed in the explanation of the figures, various types of tops having workpiece support portions corresponding to the dimensions of various workpieces can be used. However, their external dimensions are the same as those in FIGS. 4 and 5.

(Effects of the Invention) As explained above, the present invention has the following features: (1) It is a conveying pallet that can support a piece into which a plurality of workpieces are fitted, and the pallet itself has a portion 17 of the conveying receiver supported by the conveying device 8. Since the workpieces can be simultaneously supplied to the plating processing section 1 and taken out at the same time, it is no longer necessary to load the workpieces one by one onto the plating processing section 1 as in the past, which improves the efficiency of workpiece supply and removal work. will improve. (2) Top support hole 15 in body plate 12
At the same time, a top support portion 15a is formed in each top support hole 15.
, and workpiece support pieces 25 and 25' having the same external shape and having workpiece support portions with dimensions corresponding to the external shapes of workpieces of various sizes are exchangeably placed on each top support portion 15a. , the pallet P can be made common to workpieces of various sizes simply by changing the type of pieces.

In other words, since workpieces of various sizes can be plated using a common transport pallet P, there is no need to manufacture and replace a transport pallet for each workpiece, which saves transport pallet manufacturing and management costs and also reduces setup changes. Work efficiency will also improve.

(3) As shown in Fig. 3, the top plate 45 and the pieces 25 and 25' fitted on the transport pallet P
The work W is placed through the frame 25 and 25'.
When these are fitted through the packing G2, the plating solution will only adhere to the plating holes 26 of the pieces 25 and 25' and the surface of the workpiece.

Since the pieces 25 and 25' to which this work is fitted are transported on the transport pallet P, there is no need to transport the work directly fitted to the top plate, which has plating liquid on its entire surface, together with the top plate. The amount of solution taken out can be significantly reduced, resulting in significant savings in plating solution loss and solution management costs.

[Brief explanation of the drawing]

FIG. 1 is a plan view of a conveying pallet according to the present invention, FIG. 2 is a side view of the section viewed from the arrow ■ in FIG. The figures are cross-sectional views of pieces for various workpiece sizes, Figure 6 is a schematic side view of the plating processing device, Figure 7 is a schematic side view showing the moving state of the conveyance device, and Figure 8 is a cross section taken along the line ■-■ of Figure 6. This is an enlarged view. 8... Conveyance device, 12... Body plate, 15.
... Top support hole, 15a... Top support part, 17...
Conveyance receiver is part, 25.25'... workpiece support piece,
26.26'...Plated hole, 26a, 26a'...
・Workpiece support part, 46...Plating solution injection nozzle Patent applicant Uemura Kogyo Co., Ltd. NGK Insulators Co., Ltd. Agent Patent attorney Tadataka Omori (IR Near 7, Fig. 8)

Claims (2)

[Claims] (1) In a pallet for transporting a plating solution in which plating solution is sprayed from the underside of a top plate on which a pallet for transporting a work is placed, the pallet for transporting a work has a transport receiving part and a top support part. A top support hole is provided, and a top having a workpiece support part corresponding to the external dimensions of the workpiece and a plating hole through which a plating solution can pass, which is connected to the workpiece support part, is fitted into the top support hole. . A pallet for transporting a workpiece of a plating processing apparatus, wherein the top is replaceably fitted to the pallet for transporting a workpiece. (2) Workpiece transportation in the plating processing apparatus according to claim 1, wherein the workpiece is maintained airtight between the top, the workpiece transportation pallet, and the top plate to such an extent that the sprayed plating solution does not leak outside. palette.