JP2841615B2 - Black dyeing liquid automatic management system - Google Patents

Black dyeing liquid automatic management system

Info

Publication number
JP2841615B2
JP2841615B2 JP1317690A JP1317690A JP2841615B2 JP 2841615 B2 JP2841615 B2 JP 2841615B2 JP 1317690 A JP1317690 A JP 1317690A JP 1317690 A JP1317690 A JP 1317690A JP 2841615 B2 JP2841615 B2 JP 2841615B2
Authority
JP
Japan
Prior art keywords
solution
concentration
management system
liquid
black dyeing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP1317690A
Other languages
Japanese (ja)
Other versions
JPH03219088A (en
Inventor
健児 井尾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Priority to JP1317690A priority Critical patent/JP2841615B2/en
Publication of JPH03219088A publication Critical patent/JPH03219088A/en
Application granted granted Critical
Publication of JP2841615B2 publication Critical patent/JP2841615B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Chemically Coating (AREA)
  • Chemical Treatment Of Metals (AREA)

Description

【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明は黒染溶液の濃度を管理するメツキ溶液の自動
管理システムに関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to an automatic management system of a plating solution for controlling the concentration of a blackening solution.

(従来の技術) 品質の良いメツキ製品を安定した状態で生産するため
にはメツキ溶液の沿組成の変動をできるだけ少なくして
維持する必要がある。
(Prior Art) In order to produce a high-quality plating product in a stable state, it is necessary to keep the variation of the composition of the plating solution as small as possible.

又メツキする際の溶液の温度は電流効率、光沢、無電
界メツキの析出速度等が重要な因子になつており、これ
等を総合的にCPUを使用して計測する自動分析装置が使
用されている。(文献、表面処理技術総覧 P373沿の管
理) 特に苛性ソーダ及び亜硝酸ソーダよりなる黒染溶液に
ついては沸点測定値を濃度に換算し、溶液の補給量を導
くことにより定量ポンプなどで一定量補給する方式が採
用されこれを利用したメツキ溶液の自動分析装置があ
る。
In addition, the temperature of the solution at the time of plating has important factors such as current efficiency, gloss, and deposition rate of electroless plating, and an automatic analyzer that measures these comprehensively using a CPU is used. I have. (Management according to literature and surface treatment technology overview P373) Especially for black dyeing solution consisting of caustic soda and sodium nitrite, convert the measured boiling point value to the concentration, and guide the replenishing amount of the solution to replenish a fixed amount with a metering pump etc. There is an automatic analyzer for plating solution using this method.

(発明が解決しようとする課題) しかし前記メツキ溶液の自動分岐装置及び溶液の供給
装置は設備費として非常に高価でかつメンテナンスも複
雑であるという問題点がある。
(Problems to be Solved by the Invention) However, the automatic branching device for the plating solution and the device for supplying the solution have a problem that the equipment cost is very expensive and the maintenance is complicated.

本発明は黒染液の濃度自動管理システムに於いてシス
テム全体が簡易でかつ低コストの濃度自動管理システム
を技術的課題とするものである。
An object of the present invention is to provide an automatic concentration control system for black dyeing liquor in which the entire system is simple and inexpensive.

〔発明の構成〕[Configuration of the invention]

(課題を解決するための手段) メッキ槽に溶液を入れ加熱沸騰させて溶液の濃度を一
定に保持する黒染液自動管理システムに於いて、水と補
充溶液を注入する補給部と、メッキ槽内に溶液の液面及
び沸騰状態を検知するフロートと、溶液の排出部を設
け、沸騰する溶液の濃度が既定値よりはずれた場合に、
前記水又は補充液を供給するか、又はメッキ槽内の溶液
を排出して常に溶液の濃度を一定に保持する黒染液自動
管理システムである。
(Means for Solving the Problems) In a black dyeing liquid automatic management system in which a solution is put into a plating tank and heated and boiled to keep the concentration of the solution constant, a replenishing section for injecting water and a replenishing solution, a plating tank A float for detecting the liquid level and the boiling state of the solution and a discharge part for the solution are provided in the case where the concentration of the boiling solution deviates from a predetermined value.
This is a black dyeing liquid automatic management system which supplies the water or the replenisher or discharges the solution in the plating tank to keep the concentration of the solution constant.

(作用) 黒染溶液は溶液の濃度と沸点の間には比例関係が成立
する、これを第2図に示す。
(Action) In the black dyeing solution, a proportional relationship is established between the concentration of the solution and the boiling point. This is shown in FIG.

そのためにメツキ槽内に加熱用のヒータを配置して自
動的に溶液を絶えず沸騰の状態にすれば溶液は一定の巾
の濃度を維持するものである。
Therefore, if a heater for heating is arranged in the plating tank and the solution is automatically brought into a boiling state, the concentration of the solution is maintained at a certain width.

メツキ製品の処理により溶液が少なくなり、又ミスト
として蒸発する場合には規定より溶液が少なくなれば、
メツキ槽内に、水又は補充液を補給し、溶液が一定量を
超えた場合には排液として排出して、絶えず一定量の溶
液を沸騰状態に維持することにより黒染溶液の濃度を保
持し、高品質の製品を生産するものである。
If the solution is reduced due to the processing of the plating product, and if the solution is less than the regulation when it evaporates as a mist,
Fill the tank with water or replenisher, and when the solution exceeds a certain amount, drain it as a drain and keep the constant amount of the solution in the boiling state to maintain the concentration of the black dyeing solution And produce high quality products.

(実施例) 以下実施例について説明する。Example An example will be described below.

第1図は本実施例である極めて簡易な黒染溶液の自動
管理システムである。
FIG. 1 shows an extremely simple system for automatically managing a blackening solution according to this embodiment.

自動黒染溶液管理システムは被処理物を処理するメツ
キ処理槽、液面調整部、水と補給液の補給部、液排出部
及び温度管理部より構成されている。
The automatic blackening solution management system is composed of a plating tank for treating an object to be treated, a liquid level adjusting unit, a replenishing unit for water and replenishing liquid, a liquid discharging unit, and a temperature managing unit.

1は苛性ソーダ及び亜硝酸ソーダよりなる溶液の温度
調節計で2は温度の表示計、3はメツキ処理槽4内の沸
点確認用のフロートで、3aは液面フロートである。
1 is a temperature controller for a solution comprising caustic soda and sodium nitrite, 2 is a temperature indicator, 3 is a float for checking the boiling point in the plating tank 4, and 3a is a liquid surface float.

5はメツキ処理槽内の撹拌機で、6は補給液の補給用
タンク、7は不用な溶液の廃液タンクで7aは電磁弁であ
り、8はヒーター、9は水の投入口、10は補給液の投入
口であり、水及び補給液のバルブにはタイマー(T)が
配置してある。
5 is a stirrer in the plating tank, 6 is a replenishing tank for replenishing liquid, 7 is a waste liquid tank for unnecessary solution, 7a is a solenoid valve, 8 is a heater, 8 is a heater, 9 is a water inlet, and 10 is a replenishing tank. A timer (T) is provided at the liquid inlet and the valves for water and replenishment liquid.

以上の構成についてその作用を述べる。 The operation of the above configuration will be described.

黒染溶液は苛性ソーダ85〜90%、亜硝酸ソーダ15〜10
%の溶液で、溶液の濃度と沸点との間には第2図に示す
ような比例関係にある。
Black dyeing solution is caustic soda 85-90%, sodium nitrite 15-10
% Solution, there is a proportional relationship between the solution concentration and the boiling point as shown in FIG.

第2図より濃度を沸点に置き変えることができるもの
で、例えば濃度管理巾が520〜630g/Lとすれば、沸点が1
30〜140℃にあれば良いことになる。
As shown in FIG. 2, the concentration can be changed to the boiling point. For example, if the concentration control width is 520 to 630 g / L, the boiling point is 1
It should be 30-140 ° C.

第1図に示す自動液管理装置の温調計1を使用して黒
染溶液の温度を測定し、温調表示計2で温度を制御す
る。
The temperature of the blackening solution is measured using the temperature controller 1 of the automatic liquid management apparatus shown in FIG. 1, and the temperature is controlled by the temperature controller 2.

この場合ヒータ8の容量については常に溶液が沸騰状
態にあるような容量のものを使用するもので、フロート
3の上下により溶液の沸騰を確認することが出来る。
In this case, the capacity of the heater 8 is such that the solution is always in a boiling state, and the boiling of the solution can be confirmed by raising and lowering the float 3.

溶液が沸騰状態にあれば溶液の濃度は520〜630g/Lの
最適値にあることになる。又溶液が沸騰状態にあれば水
の蒸発による液の濃縮、あるいは被処理物(以下ワーク
という)による持ち出しやミストとして発散することに
より希釈されるのでその状態に応じて水や補給用の溶液
を補給し自動的に沸点を管理巾内に調整するものであ
る。
If the solution is boiling, the concentration of the solution will be at an optimal value of 520-630 g / L. If the solution is in a boiling state, it is concentrated by evaporating the water, or it is diluted by being taken out by an object to be processed (hereinafter referred to as a work) or diverging as a mist. It replenishes and automatically adjusts the boiling point within the control range.

前記自動黒染液管理システムは水及び補給液の投入と
液排出はすべて沸点と液面の状態により決定されるが、
以下の9通りがある。この場合沸点管理巾を130〜140℃
とした。
In the automatic black dyeing liquid management system, the input and discharge of water and replenisher are all determined by the boiling point and the state of the liquid level,
There are the following 9 types. In this case, the boiling point control width is 130-140 ℃
And

(1)液温度が130〜140℃の場合 (a)液面が下限以下の時→水補給して下限以上でス
トツプ (b)液面が下限〜上限 →正常 (c)液面が上限以上 →上限以下まで液排出 (2)液温が130℃以下 (3)液温が140℃以上 前記水及び補給液の投入時は、常時撹拌機5が駆動
し、水及び補給液はタイマーにより1回の投入量をメツ
キ槽の容量により決定する。
(1) When the liquid temperature is 130 to 140 ° C. (A) When the liquid level is below the lower limit → Replenish with water and stop above the lower limit. (B) The liquid level is lower to upper limit → Normal. → Discharge liquid below the upper limit (2) Liquid temperature is 130 ° C or less (3) The liquid temperature is 140 ℃ or more When the water and the replenishing liquid are charged, the stirrer 5 is driven at all times, and the amount of water and the replenishing liquid to be charged at one time is determined by a timer according to the capacity of the plating tank.

前記液温を常に一定の巾内に管理し、メツキ液を沸騰
状態に維持することにより最適の濃度を確保することが
出来、従つて極めて簡単なシステムにより溶液を自動的
に最適な状況に維持できるものである。
The solution temperature is always kept within a certain range, and the optimal concentration can be ensured by maintaining the plating solution in a boiling state. Therefore, the solution is automatically maintained in an optimal condition by an extremely simple system. You can do it.

(発明の効果) 本発明は次の効果を有する。すなわち、 メッキ槽内の溶液の濃度及び量を、溶液の加熱沸騰と
フロートの上下動という簡単なもので認識でき、一般に
使用されているメッキ液自動分析装置に比較して極めて
簡単で低コストなシステムとなっており、作業者自信が
容易に管理ができ、又故障が起きた場合、システムを構
成するものが単純なものであるためメンテナンス性にも
優れ、かつ溶液の更新についても半自動的に行うことが
できるので維持費が低コストである。
(Effects of the Invention) The present invention has the following effects. In other words, the concentration and amount of the solution in the plating tank can be recognized as simple as the heating and boiling of the solution and the vertical movement of the float, which is extremely simple and low-cost compared to the commonly used plating solution automatic analyzer. It is a system, which allows the operator to easily manage himself / herself, and when a failure occurs, the system is simple, making it easy to maintain. Maintenance cost is low because it can be performed.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本実施例のシステム図、第2図は溶液の濃度と
沸点との比例関係を示す図である。 1……温度調節計,3……沸点確認用フロート,4……メツ
キ槽,5……撹拌機,6……補給液用タンク,7……廃液タン
ク,8……ヒータ,9……水投入口,10……液投入口。
FIG. 1 is a system diagram of this embodiment, and FIG. 2 is a diagram showing a proportional relationship between the concentration of the solution and the boiling point. 1 ... temperature controller, 3 ... float for confirming boiling point, 4 ... plating tank, 5 ... stirrer, 6 ... tank for replenishment liquid, 7 ... waste liquid tank, 8 ... heater, 9 ... water Input port, 10: Liquid input port.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】メッキ槽に溶液を入れ加熱沸騰させて溶液
の濃度を一定に保持する黒染液自動管理システムに於い
て、水と補充溶液を注入する補給部と、メッキ槽内に溶
液の液面及び沸騰状態を検知するフロートと、溶液の排
出部を設け、沸騰する溶液の濃度が規定値よりはずれた
場合に、前記水又は補充液を供給するか、又はメッキ槽
内の溶液を排出して常に溶液の濃度を一定に保持する黒
染液自動管理システム。
In a black dyeing liquid automatic management system for keeping a concentration of a solution by heating and boiling the solution in a plating tank, a replenishing section for injecting water and a replenishing solution, Provide a float for detecting the liquid level and the boiling state, and a discharge part for the solution. When the concentration of the boiling solution is out of the specified value, supply the water or the replenisher or discharge the solution in the plating tank. Black dyeing liquid automatic management system that always keeps the concentration of the solution constant.
JP1317690A 1990-01-22 1990-01-22 Black dyeing liquid automatic management system Expired - Fee Related JP2841615B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1317690A JP2841615B2 (en) 1990-01-22 1990-01-22 Black dyeing liquid automatic management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1317690A JP2841615B2 (en) 1990-01-22 1990-01-22 Black dyeing liquid automatic management system

Publications (2)

Publication Number Publication Date
JPH03219088A JPH03219088A (en) 1991-09-26
JP2841615B2 true JP2841615B2 (en) 1998-12-24

Family

ID=11825876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1317690A Expired - Fee Related JP2841615B2 (en) 1990-01-22 1990-01-22 Black dyeing liquid automatic management system

Country Status (1)

Country Link
JP (1) JP2841615B2 (en)

Also Published As

Publication number Publication date
JPH03219088A (en) 1991-09-26

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