JPH06170600A - Starting circuit for press - Google Patents

Starting circuit for press

Info

Publication number
JPH06170600A
JPH06170600A JP4327794A JP32779492A JPH06170600A JP H06170600 A JPH06170600 A JP H06170600A JP 4327794 A JP4327794 A JP 4327794A JP 32779492 A JP32779492 A JP 32779492A JP H06170600 A JPH06170600 A JP H06170600A
Authority
JP
Japan
Prior art keywords
press
starting
air
clutch
supplied
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.)
Pending
Application number
JP4327794A
Other languages
Japanese (ja)
Inventor
Kiyoshi Nakagawa
潔 中川
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP4327794A priority Critical patent/JPH06170600A/en
Publication of JPH06170600A publication Critical patent/JPH06170600A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/14Control arrangements for mechanically-driven presses
    • B30B15/142Control arrangements for mechanically-driven presses controlling the brake or the clutch

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)

Abstract

PURPOSE:To improve the starting characteristics of a press by shortening the starting time of a clutch brake. CONSTITUTION:This stating circuit for press is made so that working air is supplied to the clutch brake 4 which is provided between a main motor and a slide driving mechanism 2 through a solenoid valve 11 for starting which is turned on and off with a starting switch. Air pressure which is set with a high-pressure regulator 6 and air pressure which is set with a low-pressure regulator 7 are selectively supplied to the solenoid valve 11 for starting with a switching valve 10 which is turned on and off with a fine-inching switch and high-pressure air is supplied to the clutch brake 4 at the time of starting the press, so the clutch starts in a short time and the starting characteristics of the press is improved.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明はクラッチブレーキの立
上り時間を短縮することにより起動性を向上したプレス
の起動回路に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press starter circuit having improved startability by shortening the rise time of a clutch brake.

【0002】[0002]

【従来の技術】従来プレスにはメーンモータの回転をス
ライド駆動機構へ伝達したり、スライドを所定の位置へ
停止させるためにクラッチブレーキが設けられている。
上記クラッチブレーキはプレスの起動時、レギュレータ
により一定の圧力に調整されたエアを電磁弁を介して供
給することによりクラッチを動作させてプレスの起動を
行うようになっている。
2. Description of the Related Art Conventional presses are provided with clutch brakes for transmitting the rotation of a main motor to a slide drive mechanism and for stopping the slide at a predetermined position.
The clutch brake is adapted to operate the clutch by supplying air, which is adjusted to a constant pressure by a regulator, through a solenoid valve when the press is started to start the press.

【0003】[0003]

【発明が解決しようとする課題】しかし従来のクラッチ
ブレーキでは、クラッチ内のピストン室へエアが供給さ
れてから、クラッチが接続されるまでの立ち上り時間が
長いため、起動性が悪い不具合があった。特にダイハイ
ト調整時のようにスライドを微寸動させるような場合、
電磁弁がオンされてからスライドが動作を開始するまで
のタイムラグにより、スライドを所定の位置へ停止させ
るのが難しいことから、ダイハイト調整などに多くの時
間を要して作業能率が悪いなどの不具合があった。この
発明はかかる不具合を改善するためになされたもので、
クラッチブレーキの立上り時間を短縮することにより起
動性を向上したプレスの起動回路を提供することを目的
とするものである。
However, in the conventional clutch brake, there is a problem that the startability is poor because the rising time from the supply of air to the piston chamber in the clutch to the connection of the clutch is long. . Especially when the slide is finely moved, such as when adjusting the die height,
Since it is difficult to stop the slide at a predetermined position due to the time lag between when the solenoid valve is turned on and when the slide starts to operate, it takes a lot of time to adjust the die height, resulting in poor work efficiency. was there. This invention has been made to improve such a problem.
It is an object of the present invention to provide a press starting circuit having improved startability by shortening the rise time of the clutch brake.

【0004】[0004]

【課題を解決するための手段】この発明は上記目的を達
成するために、メーンモータとスライド駆動機構の間に
設けられたクラッチブレーキに、起動スイッチによりオ
ン、オフされる起動用電磁弁を介して動作エアを供給す
るようにしたプレスの起動回路において、高圧レギュレ
ータにより設定されたエア圧と、低圧レギュレータによ
り設定されたエア圧を、微寸動スイッチによりオンオフ
される切換え弁により選択的に起動用電磁弁へ供給する
ようにしたものである。
In order to achieve the above-mentioned object, the present invention provides a clutch brake provided between a main motor and a slide drive mechanism with a starting solenoid valve which is turned on and off by a start switch. In the starting circuit of the press that supplies operating air, the air pressure set by the high pressure regulator and the air pressure set by the low pressure regulator are selectively activated by the switching valve that is turned on and off by the fine adjustment switch. It is designed to be supplied to a solenoid valve for use.

【0005】[0005]

【作 用】上記構成により起動とともに高圧がクラッ
チブレーキへ供給されて、クラッチが短時間で立ち上る
ため、プレスの起動性を向上させることができる。
[Operation] With the above configuration, high pressure is supplied to the clutch brake upon starting, and the clutch starts up in a short time, so that the startability of the press can be improved.

【0006】[0006]

【実 施 例】この発明の一実施例を図面を参照して詳
述する。図1において1はプレス本体で、クランク機構
よりなるスライド駆動機構2により上下動自在なスライ
ド3を有している。上記スライド駆動機構2のクランク
軸2aはクラッチブレーキ4を介して図示しないメーン
モータに接続されていると共に、クラッチブレーキ4に
は起動回路5よりエアが供給されるようになっている。
Embodiment An embodiment of the present invention will be described in detail with reference to the drawings. In FIG. 1, reference numeral 1 denotes a press body, which has a slide 3 which is vertically movable by a slide drive mechanism 2 which is a crank mechanism. The crank shaft 2a of the slide drive mechanism 2 is connected to a main motor (not shown) via a clutch brake 4, and air is supplied to the clutch brake 4 from a starting circuit 5.

【0007】上記起動回路5は高圧レギュレータ6と低
圧レギュレータ7を有していて、高圧レギュレータ6は
例えば7kg/cm2 に、そして低圧レギュレータ7は
例えば5kg/cm2 にエア圧が設定できるようになっ
ている。そしてこれらレギュレータ6,7により設定さ
れたエアはエアタンク8及び9を介して切換え弁10へ
供給されている。上記切換え弁10は電磁弁より形成さ
れていて、図示しない微寸動スイッチを押すと、まず高
圧レギュレータ6側へ切換えられ、その後、t2 時間経
過後低圧レギュレータ7側へ切換えられるようになって
いる。そしてこの切換え弁10により切換えられたエア
は、図示しない起動スイッチによりオン、オフされる起
動用電磁弁11を介してクラッチブレーキ4へ供給され
るようになっている。
The starting circuit 5 has a high pressure regulator 6 and a low pressure regulator 7 so that the high pressure regulator 6 can set the air pressure to 7 kg / cm 2 and the low pressure regulator 7 can set the air pressure to 5 kg / cm 2 , for example. Has become. The air set by the regulators 6 and 7 is supplied to the switching valve 10 via the air tanks 8 and 9. The switching valve 10 is formed of an electromagnetic valve, and when a fine movement switch (not shown) is pressed, the switching valve 10 is first switched to the high pressure regulator 6 side, and then after t 2 time has elapsed, switched to the low pressure regulator 7 side. There is. The air switched by the switching valve 10 is supplied to the clutch brake 4 via a startup electromagnetic valve 11 which is turned on and off by a start switch (not shown).

【0008】次に作用を説明すると、プレスを起動する
に当ってまず微寸動スイッチを入れ、次に起動スイッチ
を入れる。これによって高圧レギュレータ6側から高圧
エアがクラッチブレーキ4へ供給されて、クラッチ内の
圧力が短時間でクラッチ動作圧まで上昇する。そしてク
ラッチが接続されるt2 時間後に切換え弁10により低
圧レギュレータ7側に切換えられる。これによってクラ
ッチブレーキ4の立上り時間が大幅に短縮されるため、
起動性を改善することができる。
The operation will be described below. When the press is started, the fine movement switch is first turned on, and then the start switch is turned on. As a result, high pressure air is supplied to the clutch brake 4 from the high pressure regulator 6 side, and the pressure in the clutch rises to the clutch operating pressure in a short time. Then, t 2 hours after the clutch is connected, the switching valve 10 switches to the low pressure regulator 7 side. As a result, the rise time of the clutch brake 4 is significantly shortened,
The startability can be improved.

【0009】なお図2は起動スイッチを入れてから最大
回転数N1 になるまでの時間を図表にしたものである。
この図表から従来では最大回転数N1 になるまでの時間
1 は、T1 =t0 +t1 +t5 を要していたのに対し
て、この発明ではT2 =t0 +t1 +t4 となり、その
差であるT1 −T2 =(t0 +t1 +t5 )−(t0
1 +t4 )=(t2 −t1 )+(t5 +t4 )だけク
ラッチの立上り時間を短縮することができる。
FIG. 2 is a diagram showing the time from when the start switch is turned on to when the maximum rotation speed N 1 is reached.
According to this diagram, the time T 1 required to reach the maximum rotation speed N 1 conventionally requires T 1 = t 0 + t 1 + t 5 , whereas in the present invention T 2 = t 0 + t 1 + t 4 And the difference is T 1 −T 2 = (t 0 + t 1 + t 5 ) − (t 0 +
The rise time of the clutch can be shortened by t 1 + t 4 ) = (t 2 −t 1 ) + (t 5 + t 4 ).

【0010】また上記実施例は、プレス運転時での起動
性の改善について説明したが、スライド3を微寸動させ
る場合にも使用でき、応答性の改善によりダイハイト調
整などがきわめて容易に行える。
In the above embodiment, the improvement of the starting property during the press operation is explained, but it can be used also when the slide 3 is finely moved, and the die height adjustment and the like can be performed very easily by the improvement of the responsiveness.

【0011】[0011]

【発明の効果】この発明は以上詳述したように、起動時
クラッチブレーキに、はじめは高圧エアを供給してクラ
ッチの立上り時間を短縮し、クラッチ接続後低圧エアに
切換えるようにしたことから、プレスの起動性を大幅に
向上することができる。これによって生産性が向上する
と共に、スライドを微寸動させてダイハイト調整などを
行う場合も、微寸動調整が容易かつ正確に行えるため、
ダイハイト調整などが短時間で能率よく行えるようにな
る。
As described above in detail, according to the present invention, high pressure air is first supplied to the starting clutch brake to shorten the start-up time of the clutch and the low pressure air is switched after the clutch is connected. The startability of the press can be greatly improved. This improves productivity, and even when performing fine adjustment of the slide to adjust die height, fine adjustment can be easily and accurately performed.
Die height adjustment can be done efficiently in a short time.

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

【図1】この発明の一実施例になるプレスの起動回路を
示す回路図である。
FIG. 1 is a circuit diagram showing a starting circuit of a press according to an embodiment of the present invention.

【図2】この発明の一実施例になるプレスの起動回路の
作用説明図である。
FIG. 2 is an explanatory view of the operation of the starting circuit of the press according to the embodiment of the present invention.

【符号の説明】[Explanation of symbols]

2…スライド駆動機構、4…クラッチブレーキ、6…高
圧レギュレータ、7…低圧レギュレータ、10…切換え
弁、11…起動用電磁弁。
2 ... Slide drive mechanism, 4 ... Clutch brake, 6 ... High pressure regulator, 7 ... Low pressure regulator, 10 ... Switching valve, 11 ... Solenoid valve for starting.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 メーンモータとスライド駆動機構2の間
に設けられたクラッチブレーキ4に、起動スイッチによ
りオン、オフされる起動用電磁弁11を介して動作エア
を供給するようにしたプレスの起動回路において、高圧
レギュレータ6により設定されたエア圧と、低圧レギュ
レータ7により設定されたエア圧を、微寸動スイッチに
よりオンオフされる切換え弁10により選択的に起動用
電磁弁11へ供給するようにしてなるプレスの起動回
路。
1. A start-up of a press in which operating air is supplied to a clutch brake 4 provided between a main motor and a slide drive mechanism 2 through a start-up solenoid valve 11 which is turned on and off by a start-up switch. In the circuit, the air pressure set by the high pressure regulator 6 and the air pressure set by the low pressure regulator 7 are selectively supplied to the starting solenoid valve 11 by the switching valve 10 which is turned on / off by the fine movement switch. Start-up circuit of the press.
JP4327794A 1992-12-08 1992-12-08 Starting circuit for press Pending JPH06170600A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4327794A JPH06170600A (en) 1992-12-08 1992-12-08 Starting circuit for press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4327794A JPH06170600A (en) 1992-12-08 1992-12-08 Starting circuit for press

Publications (1)

Publication Number Publication Date
JPH06170600A true JPH06170600A (en) 1994-06-21

Family

ID=18203069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4327794A Pending JPH06170600A (en) 1992-12-08 1992-12-08 Starting circuit for press

Country Status (1)

Country Link
JP (1) JPH06170600A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1916095A2 (en) * 2006-10-23 2008-04-30 Ortlinghaus-Werke GmbH Connection operated by a pressurising medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1916095A2 (en) * 2006-10-23 2008-04-30 Ortlinghaus-Werke GmbH Connection operated by a pressurising medium
EP1916095A3 (en) * 2006-10-23 2012-04-11 Ortlinghaus-Werke GmbH Connection operated by a pressurising medium

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