JP3523788B2 - Automatic viscosity controller - Google Patents
Automatic viscosity controllerInfo
- Publication number
- JP3523788B2 JP3523788B2 JP21979698A JP21979698A JP3523788B2 JP 3523788 B2 JP3523788 B2 JP 3523788B2 JP 21979698 A JP21979698 A JP 21979698A JP 21979698 A JP21979698 A JP 21979698A JP 3523788 B2 JP3523788 B2 JP 3523788B2
- Authority
- JP
- Japan
- Prior art keywords
- viscosity
- flow rate
- temperature
- thinner
- main liquid
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/10—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to temperature or viscosity of liquid or other fluent material discharged
Landscapes
- Coating Apparatus (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、塗料をシンナで一
定粘度に希釈して希釈流体として放出するようにした塗
装機のように、主液を希釈して温度変化にかかわらず混
合して得られる希釈流体の粘度を一定に保つようにした
粘度自動調節送致に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating machine in which a paint is diluted with a thinner to a constant viscosity and discharged as a diluting fluid , so that the main liquid is diluted and mixed regardless of temperature change.
The present invention relates to automatic viscosity adjustment and delivery so that the viscosity of a diluent fluid obtained by the combination is kept constant.
【０００２】[0002]
【従来の技術】従来、塗装機などにおいては、あらかじ
め測定した塗料または硬化剤などの主液または塗装雰囲
気の温度に基づいて主液に混入するシンナの量を定めて
適当な粘度とした希釈流体を使用して吹き付けなどを行
っていた。2. Description of the Related Art Conventionally, in a coating machine or the like, it is appropriate to determine the amount of thinner mixed in the main liquid based on the temperature of the main liquid such as paint or curing agent or the coating atmosphere measured in advance. Spraying was performed using a diluting fluid having a high viscosity.
【０００３】このため、塗装機においては当初は適性な
粘度で塗装が行われるものの、温度が変化すると粘度が
変化し、適正な塗装が困難となるため、温度が大きく変
化すると、混入するシンナの量を調節していた。Therefore, although the coating machine initially coats with an appropriate viscosity, when the temperature changes, the viscosity changes, which makes proper coating difficult. I was adjusting the amount.
【０００４】[0004]
【発明が解決しようとする課題】塗料を使用途中で希釈
しようとした時、塗料原液の量が正確に把握できないの
で、正確なシンナ希釈量を割り出せない。このため使用
中の希釈済塗料を廃棄して、新たに塗料原液を計量して
シンナ希釈量を決定することになるため、手間がかか
り、塗料の廃棄量が増えるような欠点があった。When attempting to dilute the paint during use, it is not possible to accurately determine the amount of the stock solution of the paint, and it is not possible to determine the exact thinner dilution amount. For this reason, the diluted paint in use is discarded, and the coating solution is newly measured to determine the thinner dilution amount, which is troublesome and increases the amount of the discarded paint.
【０００５】[0005]
【課題を解決するための手段、作用及び効果】本発明
は、このような課題を解決するための手段として、主液
とシンナとを混合した希釈流体の粘度と温度との関係を
記憶する記憶手段と、主液または塗装雰囲気の温度を検
知する温度検知手段と、所望の粘度を設定する粘度設定
手段と、主液の流量を検知する流量検知手段と、シンナ
の流量を制御する流量制御手段と、温度検知手段から入
力した温度を記憶手段から入力したデータと対比して希
釈流体の粘度が粘度設定手段から入力した粘度と一致す
るように流量検知手段から入力する主液の流量に対応す
るシンナの流量を演算する演算手段と、その演算手段の
演算結果に基づいて流量制御手段を作動させる指令手段
と、からなる構成としたものであるから、温度の変化に
伴う粘度の変化を適時に修正し適正な粘度を維持するこ
とができる効果がある。Means for Solving the Problems, effects and advantages of the present invention, as means for solving such a problem, the main liquid
Storage means for storing the relationship between the viscosity and the temperature of the diluted fluid in which the thinner and thinner are mixed, a temperature detection means for detecting the temperature of the main liquid or the coating atmosphere, a viscosity setting means for setting a desired viscosity, and a main liquid The flow rate detecting means for detecting the flow rate of the diluent, the flow rate controlling means for controlling the flow rate of the thinner, and the temperature input from the temperature detecting means are compared with the data input from the storing means, and the viscosity of the diluent fluid is input from the viscosity setting means. Comprising calculation means for calculating the flow rate of the thinner corresponding to the flow rate of the main liquid input from the flow rate detection means so as to match the viscosity, and command means for activating the flow rate control means based on the calculation result of the calculation means. Since it is configured, there is an effect that a change in viscosity due to a change in temperature can be corrected in a timely manner to maintain an appropriate viscosity.
【０００６】また、本発明において、その目的によっ
て、演算手段及び指令手段が連続的に作動するようにす
るか、演算手段及び指令手段が一定時間間隔で作動する
ようにするか、または、演算手段及び指令手段が温度検
知手段の検知温度の変化量が一定値に達したときに作動
するようにするかを選択することができる。According to the object of the present invention, the calculating means and the commanding means operate continuously, the calculating means and the commanding means operate at regular time intervals, or the calculating means. It is also possible to select whether or not the command means is activated when the amount of change in the temperature detected by the temperature detecting means reaches a constant value.
【０００７】[0007]
【発明の実施の形態】以下、本発明の一実施の形態を添
付図面に基づいて説明する。本実施の形態は、本発明
を、塗料をシンナで適正な粘度に希釈してスプレイガン
から噴射するようにした塗装機に適用したものである。DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described below with reference to the accompanying drawings. The present embodiment is an application of the present invention to a coating machine in which paint is diluted with a thinner to an appropriate viscosity and then sprayed from a spray gun.
【０００８】図１において、１は塗料タンクであって、
開閉弁３を介して塗料ポンプ３の吸引口に接続され、そ
の吐出口は塗料流量計４を介して混合機５に接続され、
混合機５はスプレイガン６に接続されている。In FIG. 1, 1 is a paint tank,
It is connected to the suction port of the paint pump 3 via the open / close valve 3, and its discharge port is connected to the mixer 5 via the paint flow meter 4.
The mixer 5 is connected to the spray gun 6.
【０００９】７はシンナタンクであって、開閉弁８を介
してシンナポンプ９の吸引口に接続され、その吐出口は
流量制御弁１０及び流量計１１を介して混合機５に接続
されている。A thinner tank 7 is connected to a suction port of a thinner pump 9 via an open / close valve 8, and its discharge port is connected to the mixer 5 via a flow control valve 10 and a flow meter 11.
【００１０】１２は演算手段であって、図２に示すよう
に各希釈率毎に温度と粘度との関係をデータとして記憶
した記憶手段１３、所望の粘度を設定する設定手段１
４、塗料タンク１内の塗料の温度を測定する温度センサ
１６及び塗料流量計４からデータが入力され、その演算
結果が指令手段１５に出力されて、その指令信号により
シンナの流量制御弁１０を作動するようになっている。Reference numeral 12 denotes a computing means, as shown in FIG. 2, a storage means 13 for storing the relationship between temperature and viscosity as data for each dilution ratio, and setting means 1 for setting a desired viscosity.
4. Data is input from the temperature sensor 16 that measures the temperature of the paint in the paint tank 1 and the paint flow meter 4, and the calculation result is output to the command means 15, and the command signal causes the thinner flow control valve 10 to operate. It is designed to work.
【００１１】次に、本実施の形態の作動を説明する。ま
ず、スプレイガン６から噴出する塗料の所望の粘度を粘
度設定手段１４より演算手段１２に入力すると、温度セ
ンサ１６及び塗料流量計４からのデータを記憶手段１３
から入力されたデータと比較し、演算により求められた
数値を指令手段１５に出力すると、その指令手段１５か
ら流量制御弁１０の開度を指令する信号が発せられて、
混合機５において塗料と混合してスプレイガン６から噴
出する希釈塗料の粘度が粘度制御手段１４により入力さ
れた粘度に一致するようにシンナの流量が制御される。Next, the operation of this embodiment will be described. First, when the desired viscosity of the paint ejected from the spray gun 6 is input to the calculation means 12 from the viscosity setting means 14, the data from the temperature sensor 16 and the paint flow meter 4 is stored in the storage means 13.
When the numerical value obtained by the calculation is output to the command means 15 in comparison with the data input from, the command means 15 issues a signal instructing the opening degree of the flow control valve 10,
The flow rate of the thinner is controlled so that the viscosity of the diluted paint mixed with the paint in the mixer 5 and ejected from the spray gun 6 matches the viscosity input by the viscosity control means 14.
【００１２】このように、適正な粘度で塗料がスプレイ
ガン６から噴射されている状態、例えば、適正な粘度が
フォードカップNo.４で１８ｓｅｃである場合に、温度
センサ１６の検知温度が２５℃においては２０％希釈が
良好であるとすると、温度センサ１６の検知温度が３５
℃に上昇したときには、図２に示すように、１５％希釈
にしなければ同一の粘度を保つことができず、そのため
には流量制御弁１０を絞ってシンナの流量を減らさなけ
ればならないのであって、その量が演算手段１２で演算
され、その演算値に基づく指令手段１５の信号により、
流量制御弁１０が絞られて所定の粘度が自動的に維持さ
れる。As described above, when the paint is sprayed from the spray gun 6 with a proper viscosity, for example, when the proper viscosity is 18 seconds in the Ford cup No. 4, the temperature detected by the temperature sensor 16 is 25 ° C. In the case of 20% dilution, the temperature detected by the temperature sensor 16 is 35%.
When the temperature rises to 0 ° C., the same viscosity cannot be maintained unless it is diluted to 15% as shown in FIG. 2. Therefore, the flow control valve 10 must be throttled to reduce the flow rate of the thinner. , The amount is calculated by the calculation means 12, and the signal of the command means 15 based on the calculated value,
The flow control valve 10 is throttled to automatically maintain a predetermined viscosity.
【００１３】なお、図１に示すように、シンナの流量計
１１を演算手段１２に接続しておいて、塗料の流量と対
比することにより希釈率が明らかになりより精度の高い
粘度管理を行うことができる。As shown in FIG. 1, the thinner flow meter 11 is connected to the calculating means 12 and the dilution ratio is clarified by comparing it with the flow rate of the paint to perform more accurate viscosity control. be able to.
【００１４】上記した、粘度管理の作動は常時行っても
良く、一定時間間隔で行っても良く、また、温度が一定
幅以上変動した場合に行うようにしてもよい。The above-described operation of viscosity management may be performed all the time, may be performed at regular time intervals, and may be performed when the temperature fluctuates by a certain width or more.
【００１５】上記実施の形態においては、温度センサ１
６で塗料の温度を検知したが、塗装雰囲気の温度を検知
して演算手段１２に入力するようにしてもよい。In the above embodiment, the temperature sensor 1
Although the temperature of the paint is detected in 6, the temperature of the paint atmosphere may be detected and input to the calculation means 12.
【００１６】また、本発明は主剤と硬化剤を混合する２
液塗装の場合の硬化剤の希釈にも使用することができる
ばかりでなく、接着剤の希釈など他の液体の希釈にも適
用することができる。In the present invention, the main agent and the curing agent are mixed.
It can be used not only for diluting a curing agent in the case of liquid coating, but also for diluting other liquids such as an adhesive.
【図１】本発明の一実施の形態のブロック図である。FIG. 1 is a block diagram of an embodiment of the present invention.
【図２】希釈率毎の温度と粘度の関係を示すグラフであ
る。FIG. 2 is a graph showing the relationship between temperature and viscosity for each dilution rate.
【符号の説明】 １：塗料タンク ３：塗料ポンプ ４：塗料流量計 ５：混合機 ６：スプレイガン ７：シンナタンク ９：シンナポンプ １０：流量制御弁 １２：演算手段 １３：記憶手段 １４：設定手段 １５：指令手段 １６：温度センサ[Explanation of symbols] 1: Paint tank 3: Paint pump 4: Paint flow meter 5: Mixer 6: Spray gun 7: thinner tank 9: thinner pump 10: Flow control valve 12: calculating means 13: storage means 14: Setting means 15: Command means 16: Temperature sensor
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B05C 11/10 Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) B05C 11/10
Claims (4)
と温度との関係を記憶する記憶手段と、主液または塗装
雰囲気の温度を検知する温度検知手段と、所望の粘度を
設定する粘度設定手段と、主液の流量を検知する流量検
知手段と、シンナの流量を制御する流量制御手段と、前
記温度検知手段から入力した温度を前記記憶手段から入
力したデータと対比して希釈流体の粘度が前記粘度設定
手段から入力した粘度と一致するように前記流量検知手
段から入力する主液の流量に対応するシンナの流量を演
算する演算手段と、該演算手段の演算結果に基づいて前
記流量制御手段を作動させる指令手段と、からなること
を特徴とする粘度自動調節装置。1. A storage means for storing a relationship between a viscosity and a temperature of a diluted fluid in which a main liquid and thinner are mixed, a temperature detection means for detecting a temperature of the main liquid or a coating atmosphere, and a desired temperature detection means. The viscosity setting means for setting the viscosity, the flow rate detecting means for detecting the flow rate of the main liquid, the flow rate controlling means for controlling the flow rate of the thinner, and the temperature input from the temperature detecting means are compared with the data input from the storing means. Calculating means for calculating the flow rate of the thinner corresponding to the flow rate of the main liquid input from the flow rate detecting means such that the viscosity of the diluting fluid matches the viscosity input from the viscosity setting means, and the calculation result of the calculating means And a command means for activating the flow rate control means based on the above.
作動することを特徴とする請求項１記載の粘度自動調節
装置。2. The automatic viscosity adjusting device according to claim 1, wherein the calculating means and the commanding means operate continuously.
間隔で作動するようになっていることを特徴とする請求
項１記載の粘度自動調節装置。3. The automatic viscosity adjusting device according to claim 1, wherein the calculating means and the commanding means operate at a constant time interval.
検知手段の検知温度の変化量が一定値に達したときに作
動するようになっていることを特徴とする請求項１記載
の粘度自動調節装置。4. The automatic viscosity control system according to claim 1, wherein the calculation means and the command means are activated when the amount of change in the temperature detected by the temperature detection means reaches a constant value. Adjustment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21979698A JP3523788B2 (en) | 1998-07-17 | 1998-07-17 | Automatic viscosity controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21979698A JP3523788B2 (en) | 1998-07-17 | 1998-07-17 | Automatic viscosity controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000033321A JP2000033321A (en) | 2000-02-02 |
| JP3523788B2 true JP3523788B2 (en) | 2004-04-26 |
Family
ID=16741176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21979698A Expired - Fee Related JP3523788B2 (en) | 1998-07-17 | 1998-07-17 | Automatic viscosity controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3523788B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030033936A (en) * | 2001-10-25 | 2003-05-01 | 간사이 페인트 가부시키가이샤 | Paint Supply Method and Paint Supply System |
| JP4560345B2 (en) * | 2004-07-28 | 2010-10-13 | 株式会社大気社 | Painting equipment |
| EP2386362A3 (en) * | 2010-05-12 | 2015-08-26 | Baumer hhs GmbH | Adhesive application device |
| KR101577644B1 (en) | 2013-11-14 | 2015-12-15 | 대우조선해양 주식회사 | System and method for calculating solvent quantity of automatic agitation painting unit |
-
1998
- 1998-07-17 JP JP21979698A patent/JP3523788B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000033321A (en) | 2000-02-02 |
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