JPS6137038B2 - - Google Patents
Info
- Publication number
- JPS6137038B2 JPS6137038B2 JP7460579A JP7460579A JPS6137038B2 JP S6137038 B2 JPS6137038 B2 JP S6137038B2 JP 7460579 A JP7460579 A JP 7460579A JP 7460579 A JP7460579 A JP 7460579A JP S6137038 B2 JPS6137038 B2 JP S6137038B2
- Authority
- JP
- Japan
- Prior art keywords
- contact
- button
- relay
- press
- circuit
- 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
- 230000002265 prevention Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/18—Control arrangements requiring the use of both hands
- F16P3/20—Control arrangements requiring the use of both hands for electric control systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Control Of Presses (AREA)
Description
【発明の詳細な説明】
本発明はプレスにおける安全運転装置に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a safe operation device for a press.
安全装置としては、運転ボタン２個１組として
ある距離以上はなして設け、プレス作業者は必ず
両手でこれらのボタンを同時に押さなければ、プ
レスは起動しない方式のものがある。この方式は
数人の作業者が異なつた所で作業をする場合にも
適用できる。すなわち、全員が両手で夫々のボタ
ンを押さなければプレスは起動できない。運転ボ
タンはその接点部が溶着し、(a)で示したようにな
り、運転ボタンを押したと同じ状態になることが
ある。（第１図）この現象は複数の作業者による
プレス運転の場合も(b)(c)で示したような状態が発
生する。（第２図、第３図）
このような現象が発生した場合、１人の作業者
による場合は誤つて片手で運転ボタンを押したと
きでもプレスは起動し、他の片手は危険にさらさ
れることになる。他方、複数の作業者の場合にお
いては運転ボタンが故障した場合、その作業者は
運転ボタンを押さなくてもプレスは起動するから
プレス運転準備中であつてもプレスは起動し、危
険にさらされることになる。 As a safety device, there is a system in which a set of two operation buttons are provided separated by a certain distance or more, and the press operator must press these buttons simultaneously with both hands in order to prevent the press from starting. This method can also be applied when several workers work in different locations. In other words, the press cannot be activated unless everyone presses each button with both hands. The contact part of the run button may become welded, resulting in the state shown in (a), which is the same as pressing the run button. (Fig. 1) This phenomenon also occurs when the press is operated by multiple operators, as shown in (b) and (c). (Figures 2 and 3) If such a phenomenon occurs, if one worker presses the operation button by mistake with one hand, the press will still start, putting the other hand at risk. It turns out. On the other hand, in the case of multiple workers, if the operation button malfunctions, the press will start even if the operator does not press the operation button, so the press will start even if the press is preparing to operate, exposing the operator to danger. It turns out.
本発明はこのような問題を解決するためになさ
れたものである。 The present invention has been made to solve such problems.
以下、本発明の一実施例である図面に基づいて
詳説する。 Hereinafter, an embodiment of the present invention will be explained in detail based on the drawings.
第４図において、両手操作運転ボタンに夫々の
リレーを持たせる。すなわち、右側ボタン（Ｒ）
のａ接点にはリレー（CR1D）、（CR1B）を、ｂ
接点にはリレー（CR1）を夫々接続し、左側ボタ
ン（Ｌ）のａ接点にはリレー（CR2A）、
（CR2B）を、ｂ接点にはリレー（CR3）を夫々
接続する。本実施例においては両ボタンのａ接点
にリレーを２個設け、TC側に接続しているがリ
レーを１個にしてもよく、またRC側に接続して
もよい。 In FIG. 4, each two-handed operation button has its own relay. That is, the right button (R)
Connect the relays (CR1D) and (CR1B) to the a contacts of the
Connect a relay (CR1) to each contact, and connect a relay (CR2A) to the a contact of the left button (L).
(CR2B) and the relay (CR3) to the b contact. In this embodiment, two relays are provided at the a contacts of both buttons and connected to the TC side, but it is also possible to use only one relay or to connect to the RC side.
第５図において、右側ボタン（Ｒ）のａ接点用
リレー（CR1A）、（CR1B）のａ接点と、左側ボ
タン（Ｌ）のｂ接点用リレー（CR3）のｂ接点及
び左側ボタン（Ｌ）のａ接点用リレー
（CR2A）、（CR2B）のａ接点と右側ボタン（Ｒ）
のｂ接点用リレー（CR4）のｂ接点とを直列にし
たものをプレス運転回路１に組込む。両手操作ボ
タンのユニツトが複数個ある場合（作業者が複数
の場合）には同じようにリレーの各接点を直列に
接続したものをプレス運転回路２に組込む。 In Figure 5, the a contact relays (CR1A) and (CR1B) for the a contact of the right button (R), the b contact of the b contact relay (CR3) of the left button (L), and the b contact of the relay (CR3) for the b contact of the left button (L) are shown. A contact relay (CR2A), (CR2B) a contact and right button (R)
The b contact relay (CR4) is connected in series with the b contact of the press operating circuit 1. When there are multiple units of two-handed operation buttons (when there are multiple operators), a relay with each contact point connected in series is similarly incorporated into the press operation circuit 2.
他方、右側ボタン（Ｒ）のａ接点用リレー
（CR1A）、（CR1B）のｂ接点と左側ボタン（Ｌ）
のｂ接点用リレー（CR3）のａ接点、及び左側ボ
タン（Ｌ）のａ接点用リレー（CR2A）、
（CR2B）のｂ接点と右側ボタン（Ｒ）のｂ接点
用リレー（CR4）のａ接点とを直列に接続したも
のを再起動防止回路３に組込む。上述の如く両手
操作ボタンのユニツトが複数個ある場合は同様に
して各接点を再起動防止回路４に組込む。以下、
作用について説明する。 On the other hand, the relay (CR1A) for the a contact of the right button (R), the b contact of (CR1B) and the left button (L)
The A contact of the B contact relay (CR3), and the A contact relay (CR2A) of the left button (L),
Incorporate the restart prevention circuit 3 into which the b contact of (CR2B) and the a contact of the b contact relay (CR4) of the right button (R) are connected in series. If there are a plurality of two-hand operation button units as described above, each contact is incorporated into the restart prevention circuit 4 in the same manner. below,
The effect will be explained.
(i) ボタンを押さないにもかかわらずそのａ接点
がONである場合（例えば、右側ボタンのａ接
点が溶着した場合）
リレー（CR1A）（CR1B）がONであり、再
起動防止回路３がOFFとなり再起動防止用リ
レー（CRN）はOFFのままである。したがつ
てプレス運転回路において、CRNがOFFであ
るからプレス運転用リレー（CRC）はONにな
ることはない。すなわち、プレス運転はできな
い。(i) If the A contact of the button is not pressed (for example, if the A contact of the right button is welded), the relays (CR1A) (CR1B) are ON and restart prevention circuit 3 is activated. OFF, and the restart prevention relay (CRN) remains OFF. Therefore, in the press operation circuit, since CRN is OFF, the press operation relay (CRC) will not turn ON. In other words, press operation is not possible.
(ii) ボタンは押さないにもかかわらずそのｂ接点
がOFFのままである場合。(ii) When the b contact remains OFF even though the button is not pressed.
例えば、右側ボタン（Ｒ）のｂ接点がOFFの
ときは、再起動防止回路３においてCR4が
OFFであるからCRNはOFFであり、(i)と同様
にCRCはOFFのためプレス運転はできない。For example, when the b contact of the right button (R) is OFF, CR4 is activated in the restart prevention circuit 3.
Since it is OFF, CRN is OFF, and as in (i), CRC is OFF and press operation cannot be performed.
(iii) ボタンを押したにもかかわらずそのｂ接点が
OFFにならない場合。(iii) Even though the button is pressed, its b contact is
If it does not turn off.
リレー（CR3）又はリレー（CR4）がONのま
まとなり、プレス運転回路１はOFFであり、
リレー（CRC）はOFFのままであるからプレ
ス運転はできない。Relay (CR3) or relay (CR4) remains ON, press operation circuit 1 is OFF,
Since the relay (CRC) remains OFF, press operation cannot be performed.
本発明は以上のような構成であるので、両手操
作ボタンに故障が発生したときはプレス運転でき
ないようにし、事故を防止する効果がある。な
お、ボタンのｂ接点用リレーをRC側に接続して
いるので、運転スタンド内でのボタンのａ接点、
ｂ接点の接触、あるいはメタルコネクタ内での接
触、さらに運転スタンドケーブル切断による接触
等が発生した場合はリレー（CR3）、リレー
（CR4）は強制的にONとなるので、プレス運転は
できなくなり、安全である。 Since the present invention has the above-described configuration, when a failure occurs in the two-handed operation button, press operation is disabled, which has the effect of preventing accidents. In addition, since the relay for the B contact of the button is connected to the RC side, the A contact of the button in the operation stand,
In the event of contact with the b contact, contact within the metal connector, or contact caused by cutting the operating stand cable, the relays (CR3) and (CR4) will be forcibly turned on, making press operation impossible. It's safe.
第１図〜第３図は故障時の説明図、第４図〜第
５図は電気回路の説明図、１はプレス運転回路、
２はプレス運転回路、３は再起動防止回路、４は
再起動防止回路である。
Figs. 1 to 3 are explanatory diagrams at the time of failure, Figs. 4 to 5 are explanatory diagrams of the electric circuit, 1 is the press operation circuit,
2 is a press operation circuit, 3 is a restart prevention circuit, and 4 is a restart prevention circuit.
Claims (1)
タンの夫々のａ接点とｂ接点に夫々リレーをも
たせる。 (ロ) 前記右側ボタンのａ接点用リレーのａ接点と
前記左側ボタンのｂ接点リレーのｂ接点と前記
左側ボタンのａ接点用リレーのａ接点と前記右
側ボタンのｂ接点用リレーのｂ接点とを直列に
接続したものをプレス運転回路に組込む。 (ハ) 前記右側ボタンのａ接点用リレーのｂ接点
と、前記左側ボタンのｂ接点用リレーのａ接点
と前記左側ボタンのａ接点用リレーのｂ接点と
前記右側ボタンのｂ接点リレーのａ接点とを直
列に接続したものを再起動防止回路に組込む。 上記(イ)(ロ)(ハ)を特徴とする安全運転装置。[Scope of Claims] 1. In the operation operation circuit of the press, (a) Relays are provided at the a and b contacts of the right and left buttons of the two-handed operation button, respectively. (b) The a contact of the a contact relay for the right button, the b contact of the b contact relay for the left button, the a contact of the a contact relay for the left button, and the b contact of the b contact relay for the right button. are connected in series and incorporated into the press operation circuit. (c) The b contact of the a contact relay for the right button, the a contact of the b contact relay for the left button, the b contact of the a contact relay for the left button, and the a contact of the b contact relay for the right button. Connect them in series and incorporate them into the restart prevention circuit. A safe driving device characterized by (a), (b), and (c) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7460579A JPS561299A (en) | 1979-06-15 | 1979-06-15 | Safety operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7460579A JPS561299A (en) | 1979-06-15 | 1979-06-15 | Safety operating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS561299A JPS561299A (en) | 1981-01-08 |
| JPS6137038B2 true JPS6137038B2 (en) | 1986-08-21 |
Family
ID=13551956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7460579A Granted JPS561299A (en) | 1979-06-15 | 1979-06-15 | Safety operating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS561299A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939434A (en) * | 1982-08-25 | 1984-03-03 | Aida Eng Ltd | Pressing method by industrial robot |
-
1979
- 1979-06-15 JP JP7460579A patent/JPS561299A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS561299A (en) | 1981-01-08 |
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