JPH0235392Y2 - - Google Patents
Info
- Publication number
- JPH0235392Y2 JPH0235392Y2 JP1984171801U JP17180184U JPH0235392Y2 JP H0235392 Y2 JPH0235392 Y2 JP H0235392Y2 JP 1984171801 U JP1984171801 U JP 1984171801U JP 17180184 U JP17180184 U JP 17180184U JP H0235392 Y2 JPH0235392 Y2 JP H0235392Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- coating agent
- coating
- spray nozzle
- amount
- 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
Links
- 239000011248 coating agent Substances 0.000 claims description 66
- 238000000576 coating method Methods 0.000 claims description 34
- 239000007921 spray Substances 0.000 claims description 32
- 238000009750 centrifugal casting Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Description
【考案の詳細な説明】
産業上の利用分野
本考案は金型遠心鋳造におけるコーテイング量
計測装置に関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a coating amount measuring device in centrifugal mold casting.
従来の技術
鋳鉄管等の管体を遠心鋳造により鋳造する場
合、金型を鋳造管長さ方向に移動させながら溶湯
をこれに注入し、さらに金型の移動速度を制御
し、全長にわたつて管厚を調整しながら製造し、
鋳造された管を引抜く場合は管端部を把持して前
記方向とは逆方向に金型を移動させることによつ
てこれを行つており、また金型に塗型剤をコーテ
イグする場合も同様に行われる。Conventional technology When casting pipe bodies such as cast iron pipes by centrifugal casting, molten metal is injected into the casting pipe while moving the mold in the length direction of the casting pipe, and the moving speed of the mold is controlled to cast the pipe over the entire length. Manufactured while adjusting the thickness,
When pulling out a cast tube, this is done by grasping the tube end and moving the mold in the opposite direction to the above-mentioned direction, and also when coating the mold with a molding agent. The same is done.
塗型剤のコーテイングに際し、その量の管理
は、コーテイング実行前に塗型剤を一定時間だけ
溶器に受け、コーテイング時にそれをスプレーノ
ズルから散布するにすぎない簡易なものであつ
た。 When coating with a molding agent, the amount of the molding agent was controlled simply by holding the molding agent in a melter for a certain period of time before coating, and then spraying it from a spray nozzle during coating.
考案が解決しようとする問題点
このように従来の塗型剤のコーテイング量の管
理は、コーテイング作業開始前にバツチ式で塗型
剤を測定するだけであるため不正確であつた。Problems to be Solved by the Invention As described above, the conventional control of the coating amount of mold coating agent was inaccurate because it only measured the coating agent in batches before starting the coating operation.
本考案はコーテイング作業中において正確かつ
迅速に金型の単位面積当りのコーテイング量を得
ると共に、その表示も容易に行い得るコーテイン
グ量計測装置を提供することを目的とする。 An object of the present invention is to provide a coating amount measuring device that can accurately and quickly obtain the coating amount per unit area of a mold during coating work, and can also easily display the coating amount.
問題点を解決するための手段
本考案のコーテイング量計測装置は、遠心鋳造
機の金型に塗型剤を散布するためのスプレーノズ
ルと塗型剤タンクとの間に配設された塗型剤循環
路および該循環路の途中と塗型剤タンクとの間に
配設された流量調節可能なバイパス路を有し、該
循環路の往路と復路中にそれぞれ介装された第
１，第２の流動計と、遠心鋳造機の運転制御部か
らの作動信号によりスプレーノズルへのエアー供
給路を開閉する電磁弁と、前記金型の内径および
長さを設定するキーボードと、前記第１，第２の
流動計より入力された流量信号の差から塗型剤散
布量を演算すると共に、前記運転制御部より入力
された電磁弁作動信号からスプレーノズルの作動
時間を演算し、これと前記キーボードより入力さ
れた金型の内径信号および長さ信号とから金型単
位面積当りのコーテイング量を算出する演算処理
装置とを具備したことを特徴とする
作 用
この構成により、塗型剤は循環路を通して常時
スプレーノズルまで流れており、コーテイング開
始時に遠心鋳造機の運転制御部からの電磁弁作動
信号により電磁弁が開かれると、循環路を流れる
塗型剤は直ちにスプレーノズルから散布され、２
つの流量計は往路の流量と復路の流量を検出し、
演算処理装置はその流量差信号から塗型散布量を
演算すると共に、運転制御部から出力される電磁
弁作動信号からスプレーノズルの作動時間を演算
し、これらとキーボードで設定した金型の内径信
号および長さ信号とから金型単位面積当りのコー
テイング量を算出するものであり、この結果、コ
ーテイング作業実行中に正確かつ迅速にコーテイ
ング量の管理および塗型剤の噴霧量調節が行える
と共に、その表示も容易に可能となるものであ
る。Means for Solving the Problems The coating amount measuring device of the present invention is a coating amount measuring device that is installed between a spray nozzle for spraying coating agent onto a mold of a centrifugal casting machine and a coating agent tank. It has a circulation path and a bypass path in which the flow rate can be adjusted between the middle of the circulation path and the coating agent tank, and first and second bypass paths are provided in the outgoing and return paths of the circulation path, respectively. a flow meter, a solenoid valve that opens and closes an air supply path to the spray nozzle according to an operation signal from an operation control unit of the centrifugal casting machine, a keyboard that sets the inner diameter and length of the mold, and the first and second molds. The spray nozzle amount is calculated from the difference between the flow rate signals input from the second flowmeter, and the spray nozzle operation time is calculated from the solenoid valve operation signal input from the operation control section. An operation characterized in that it is equipped with an arithmetic processing device that calculates the coating amount per unit area of the mold from the input mold inner diameter signal and length signal.With this configuration, the mold coating agent is passed through the circulation path. The coating agent is constantly flowing to the spray nozzle, and when the solenoid valve is opened by the solenoid valve actuation signal from the operation control section of the centrifugal casting machine at the start of coating, the coating agent flowing through the circulation path is immediately sprayed from the spray nozzle, and 2
Two flowmeters detect the flow rate on the outbound route and the flow rate on the return route.
The arithmetic processing unit calculates the coating mold spray amount from the flow rate difference signal, and calculates the spray nozzle operating time from the solenoid valve operating signal output from the operation control unit, and calculates the spray nozzle operating time from these and the mold inner diameter signal set on the keyboard. The amount of coating per unit area of the mold is calculated from the length signal and the length signal, and as a result, it is possible to accurately and quickly manage the amount of coating and adjust the amount of coating agent sprayed during coating work. Display can also be easily performed.
実施例
以下、本考案の一実施例を図面に基づいて説明
する。Embodiment Hereinafter, an embodiment of the present invention will be described based on the drawings.
１は金型へ塗型剤を散布するスプレーノズル
で、電磁弁２を介してエアーが供給され、スプレ
ーノズル１への塗型剤の供給流路は塗型剤タンク
３からポンプ４を介してスプレーノズル１に塗型
剤５を送る往路６と、スプレーノズル１から塗型
剤タンク３へ戻る復路７とで構成されており、往
路６と復路７中にはそれぞれ第１，第２の流量計
８，９が介装されている。また、スプレーノズル
１への塗型剤供給量を可変にするために、ポンプ
４から吐出された塗型剤の一部を流量調節可能な
バイパス流路１０を介して塗型剤タンク３に戻し
ている。１１は撹拌機である。 Reference numeral 1 denotes a spray nozzle that sprays a coating agent onto the mold.Air is supplied through a solenoid valve 2, and the flow path for supplying the coating agent to the spray nozzle 1 is from a coating agent tank 3 through a pump 4. It consists of an outgoing path 6 that sends the coating agent 5 to the spray nozzle 1, and a return path 7 that returns from the spray nozzle 1 to the coating agent tank 3. A total of 8 and 9 are interposed. In addition, in order to vary the amount of coating agent supplied to the spray nozzle 1, a portion of the coating agent discharged from the pump 4 is returned to the coating agent tank 3 via a bypass channel 10 whose flow rate can be adjusted. ing. 11 is a stirrer.
このように塗型剤循環路を形成したため、電磁
弁２がオフでスプレーノズル１にエアーが供給さ
れない状態では、ポンプ４によつて送り出された
塗型剤のうち、バイパス流路１０を通して塗型剤
タンク３に戻される以外の残りの塗型剤は、常時
第１の流路計８を通してスプレーノズル１に供給
され、その全量が再び第２の流路計９を通して塗
型剤タンク３に戻される。従つて、第１、第２の
流量計８，９の検出流量は等しい。電磁弁２がオ
ンされてスプレーノズル１にエアーが供給される
と、スプレーノズル１から塗型剤が散布され、第
１，第２の流量計８，９の検出流量差が散布量と
なる。 Since the mold coating agent circulation path is formed in this way, when the solenoid valve 2 is off and air is not supplied to the spray nozzle 1, the mold coating agent sent out by the pump 4 passes through the bypass flow path 10 to the coating mold. The remaining coating agent that is not returned to the coating agent tank 3 is always supplied to the spray nozzle 1 through the first flow meter 8, and the entire amount is returned to the coating agent tank 3 through the second flow meter 9. It can be done. Therefore, the detected flow rates of the first and second flowmeters 8 and 9 are equal. When the solenoid valve 2 is turned on and air is supplied to the spray nozzle 1, the coating agent is sprayed from the spray nozzle 1, and the difference in flow rate detected by the first and second flowmeters 8 and 9 becomes the spray amount.
１２は遠心鋳造機１３の運転をその台車位置信
号１４により制御する運転制御部で、この制御信
号の一部である電磁弁作動信号１５により電磁弁
２の開閉が制御される。１６は塗型剤散布量の演
算処理装置で、第１，第２の流量計８，９からの
流量信号と、運転制御部１２からの電磁弁作動信
号１５と、キーボード１７で設定された金型の内
径信号および長さ信号とが入力され、これらから
金型単位面積当りのコーテイング量を算出する。
１８は演算処理装置１６で算出されたコーテイン
グ量を表示するモニター装置である。 Reference numeral 12 denotes an operation control unit that controls the operation of the centrifugal casting machine 13 using a trolley position signal 14, and the opening and closing of the electromagnetic valve 2 is controlled by a solenoid valve actuation signal 15, which is a part of this control signal. Reference numeral 16 denotes a processing unit for calculating the amount of spraying agent, which processes the flow rate signals from the first and second flowmeters 8 and 9, the electromagnetic valve operation signal 15 from the operation control unit 12, and the amount set on the keyboard 17. The inner diameter signal and length signal of the mold are input, and the coating amount per unit area of the mold is calculated from these signals.
Reference numeral 18 denotes a monitor device that displays the coating amount calculated by the arithmetic processing device 16.
演算処理装置１６はマイクロコンピユータ１９
を中心に、電磁弁作動信号１５の読み取り用のデ
ジタル入力回路２０と、第１、第２の流量計８，
９からの流量信号をそれぞれデジタル変換するＡ
−Ｄ変換器２１を有し、マイクロコンピユータ１
９は、デジタル入力回路２０を介して電磁弁作動
信号１５をチエツクし、スプレーノズル１の作動
時間Ｔ〔秒〕を計測する第１のルーチンと、Ａ−
Ｄ変換器２１を介して一定時間間隔ごとにデジタ
ル変換して取り込んだ検出流量値f1，f2〔ｌ／分〕
を減算し、これを複数回サンプリン処理してスプ
レーノズル１からの毎分当りの散布量の平均値Ｑ
〔ｌ／分〕を算出する第２のルーチンと、キーボ
ード１７を介して入力された金型の内径Ｄ〔ｍ〕
および長さ〔ｍ〕と前記第１，第２のルーチンの
結果のＴ，Ｑとをもとにコーテイング量ｘ〔cc／
m2〕を算出し、これをモニター装置１８に表示さ
せる第３のルーチンを有している。 The arithmetic processing unit 16 is a microcomputer 19
, a digital input circuit 20 for reading the solenoid valve actuation signal 15, and first and second flowmeters 8,
A to digitally convert each flow rate signal from 9.
- has a D converter 21, and has a microcomputer 1;
A-9 is a first routine that checks the solenoid valve actuation signal 15 via the digital input circuit 20 and measures the actuation time T [seconds] of the spray nozzle 1;
Detected flow rate values f 1 , f 2 [l/min] that are digitally converted and imported at fixed time intervals via the D converter 21
is subtracted, and this is sampled multiple times to obtain the average value Q of the spray amount per minute from spray nozzle 1.
A second routine that calculates [l/min] and the inner diameter D [m] of the mold input via the keyboard 17.
Based on the length [m] and the results T and Q of the first and second routines, the coating amount x [cc/
m 2 ] and displays it on the monitor device 18.
第２のルーチンでは、それまでのサンプリング
数をｎとすると、Ｑ＝｛o
〓n-1
（f1−f2）｝／ｎの演算
によつてスプレーノズル１からの毎分当りの散布
量の平均値Ｑ〔ｌ／分〕を算出している。 In the second routine, if the number of samplings up to that point is n, then the amount of spray per minute from spray nozzle 1 is calculated by the calculation Q={ o 〓 n-1 (f 1 − f 2 )}/n. The average value Q [l/min] is calculated.
また、第３のルーチンでは、
ｘ＝Ｑ×1000×Ｔ／90×１／πDL
の演算によつてコーテイング作業実行中の金型の
単位面積当りのコーテイング量ｘ〔cc／m2〕を算
出している。 In addition, in the third routine, the coating amount x [cc/m 2 ] per unit area of the mold during coating work is calculated by the calculation x=Q×1000×T/90×1/πDL. ing.
このようにして演算処理装置１６で得られたコ
ーテイング量はモニター装置１８に表示され、こ
れを別途記録することも可能であり、またコーテ
イング量が目標値に近づくよう操作者によつて塗
型剤の流量の調整も、例えばバイパス流路１０の
流量調節によつて可能である。 The coating amount obtained by the processing unit 16 in this way is displayed on the monitor device 18, and it is also possible to record this separately, and the operator can adjust the coating agent so that the coating amount approaches the target value. The flow rate can also be adjusted by, for example, adjusting the flow rate of the bypass channel 10.
考案の効果
以上説明のように本考案のコーテイング量計測
装置は、スプレーノズルへの塗型剤往路と復路に
それぞれ第１，第２の流路計を設けて、これから
得られる検出流量の流量差と、運転制御部から得
られる電磁弁作動信号と、金型の内径および長さ
とを演算処理して、塗型剤の金型への単位面積当
りの散布量を算出するため、コーテイング実施中
に正確なコーテイング量が迅速にしかも簡単に得
られ、製品ごとの鋳造に使用したコーテイング量
の管理を極めて容易に実施できるものである。Effects of the Invention As explained above, the coating amount measuring device of the present invention is provided with first and second flow meters in the outward and return paths of the coating agent to the spray nozzle, and the flow rate difference between the detected flow rates obtained from the first and second flow meters is provided. During coating, the solenoid valve operating signal obtained from the operation control unit and the inner diameter and length of the mold are processed to calculate the amount of coating agent sprayed onto the mold per unit area. An accurate amount of coating can be obtained quickly and easily, and the amount of coating used for casting each product can be extremely easily controlled.
図面は本考案のコーテイング量計測装置の一実
施例の構成図である。
１……スプレーノズル、２……電磁弁、３……
塗型剤タンク、６……往路、７……復路、８，９
……第１、第２の流量計、１０……バイパス流
路、１２……運転制御部、１３……遠心鋳造機、
１５……電磁弁作動信号、１６……演算処理装
置、１７……キーボード、１８……モニター装
置。
The drawing is a configuration diagram of an embodiment of the coating amount measuring device of the present invention. 1... Spray nozzle, 2... Solenoid valve, 3...
Coating agent tank, 6...Outward trip, 7...Return trip, 8,9
...First and second flowmeters, 10...Bypass flow path, 12...Operation control section, 13...Centrifugal casting machine,
15... Solenoid valve actuation signal, 16... Arithmetic processing unit, 17... Keyboard, 18... Monitor device.
Claims (1)
プレーノズルと塗型剤タンクとの間に配設された
塗型剤循環路および該循環路の途中と塗型剤タン
クとの間に配設された流量調節可能なバイパス路
を有し、該循環路の往路と復路中にそれぞれ介装
された第１，第２の流量計と、遠心鋳造機の運転
制御部からの作動信号によりスプレーノズルへの
エアー供給路を開閉する電磁弁と、前記金型の内
径および長さを設定するキーボードと、前記第
１，第２の流量計より入力された流量信号の差か
ら塗型剤散布量を演算すると共に、前記運転制御
部より入力された電磁弁作動信号からスプレーノ
ズルの作動時間を演算し、これらと前記キーボー
ドより入力された金型の内径信号および長さ信号
とから金型単位面積当りのコーテイング量を算出
する演算処理装置とを具備したことを特徴とする
金型遠心鋳造におけるコーテイング量計測装置。 A coating agent circulation path installed between a spray nozzle for spraying coating agent onto a mold of a centrifugal casting machine and a coating agent tank, and between the coating agent tank and the middle of the circulation path. The flow rate can be adjusted by means of first and second flowmeters interposed in the outgoing and returning paths of the circulation path, and an operation signal from the operation control section of the centrifugal casting machine. The coating agent is sprayed based on the difference in flow rate signals input from the solenoid valve that opens and closes the air supply path to the spray nozzle, the keyboard that sets the inner diameter and length of the mold, and the first and second flowmeters. In addition to calculating the amount, the operation time of the spray nozzle is calculated from the solenoid valve operation signal inputted from the operation control section, and the operation time of the spray nozzle is calculated for each mold from these and the mold inner diameter signal and length signal inputted from the keyboard. 1. A coating amount measuring device in mold centrifugal casting, characterized by comprising a calculation processing device that calculates a coating amount per area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984171801U JPH0235392Y2 (en) | 1984-11-13 | 1984-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984171801U JPH0235392Y2 (en) | 1984-11-13 | 1984-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6187640U JPS6187640U (en) | 1986-06-07 |
| JPH0235392Y2 true JPH0235392Y2 (en) | 1990-09-26 |
Family
ID=30729480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984171801U Expired JPH0235392Y2 (en) | 1984-11-13 | 1984-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235392Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2856267B2 (en) * | 1991-05-07 | 1999-02-10 | トヨタ自動車株式会社 | Measurement method of coating film thickness |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813857B2 (en) * | 1974-08-10 | 1983-03-16 | カブシキガイシヤ イシダコウキセイサクシヨ | denshihakarinirendoshita injisouchino injiseigiyokairo |
| JPS5884655A (en) * | 1981-11-12 | 1983-05-20 | Kubota Ltd | Painting method of die for centrifugal casting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813857U (en) * | 1981-07-20 | 1983-01-28 | 東芝機械株式会社 | Release agent spray amount adjustment device |
-
1984
- 1984-11-13 JP JP1984171801U patent/JPH0235392Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813857B2 (en) * | 1974-08-10 | 1983-03-16 | カブシキガイシヤ イシダコウキセイサクシヨ | denshihakarinirendoshita injisouchino injiseigiyokairo |
| JPS5884655A (en) * | 1981-11-12 | 1983-05-20 | Kubota Ltd | Painting method of die for centrifugal casting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6187640U (en) | 1986-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0421631Y2 (en) | ||
| JPH0235392Y2 (en) | ||
| US4483387A (en) | Method of controlling cooling of a continuous casting | |
| JPS5835055A (en) | Controller for flow rate of cooling water for continuous casting machine | |
| JPS6321587B2 (en) | ||
| JPH0976050A (en) | Method and device for controlling molding powder thickness | |
| JPH07112253A (en) | Device for controlling flow rate of inert gas in continuous casting apparatus | |
| CA2002059A1 (en) | Method of automatically starting a continuous casting apparatus | |
| JP3029317B2 (en) | Mold level control device | |
| RU2067904C1 (en) | Method for controlling cooling conditions of heated body | |
| JP2555872B2 (en) | Control method of fluctuation of molten metal level in continuous casting | |
| JP3221990B2 (en) | Mold level measuring device | |
| JP2916830B2 (en) | Flow control method of molten metal in continuous casting | |
| JPH03254345A (en) | Method for controlling measurement of molten steel flow rate | |
| JPS57202952A (en) | Controller for continuous casting of molten metal | |
| JPS6045026B2 (en) | Mold content steel level control method | |
| JP3322388B2 (en) | Sprinkler for casting sand processing | |
| Russo et al. | Continuous temperature measurement of liquid steel in the tundish: Three years of operating history at Bethlehem steel, sparrows point | |
| JPH07120280A (en) | Metering apparatus for used paint in paint marker for road marking | |
| JPH0735647Y2 (en) | Automatic pouring device | |
| JPS637314A (en) | Blowing method for desiliconizing agent | |
| JPH0624653B2 (en) | Paint discharge control device | |
| KR0122341B1 (en) | Control device for alteration speed mold width | |
| SU1680438A1 (en) | Method of feeding control of addition in continuous steel casting | |
| SU1482763A2 (en) | Apparatus for metering molten metal into die-casting machine |