JPS6327854Y2 - - Google Patents
Info
- Publication number
- JPS6327854Y2 JPS6327854Y2 JP10874682U JP10874682U JPS6327854Y2 JP S6327854 Y2 JPS6327854 Y2 JP S6327854Y2 JP 10874682 U JP10874682 U JP 10874682U JP 10874682 U JP10874682 U JP 10874682U JP S6327854 Y2 JPS6327854 Y2 JP S6327854Y2
- Authority
- JP
- Japan
- Prior art keywords
- ram
- slide
- optical axis
- group
- safety device
- 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
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims 1
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 12
- 238000005452 bending Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
- Presses And Accessory Devices Thereof (AREA)
Description
【考案の詳細な説明】
この考案は光軸を利用して作業者の安全を図つ
たプレスブレーキ等の安全装置に関する。[Detailed Description of the Invention] This invention relates to a safety device such as a press brake that uses an optical axis to ensure worker safety.
従来プレス機械やプレスブレーキに設けられた
安全装置は停止信号が出てからスライドまたはラ
ムが停止するまでの停止時間と、作業者の手の動
く速度から、安全装置の取付け位置を次のように
設定している。 The safety devices conventionally installed in press machines and press brakes are installed in the following manner based on the stopping time from when the stop signal is issued until the slide or ram stops, and the speed at which the worker's hand moves. It is set.
すなわちスライドまたはラム（以下スライド等
という）の停止時間をＴ、作業者の手の動く最大
速度を1.6m／ｓとして、安全装置の設置位置、
すなわちスライド等から安全装置までの距離Ｄを
Ｄ＝1.6×Ｔに設定していた。しかしこの方法で
は、安全装置の光軸をダイハイト寸法、スライド
等の調整量及び使用する金型の高さなどを考慮し
て多数の光軸を設ける必要があり、安全装置は大
掛りになる欠点があつた。この考案はかかる欠点
を除去する目的でなされたもので、少ない光軸数
で作業者の安全を図れるようにしたプレスブレー
キ等の安全装置を提供して、安全装置の簡素化と
安全性の向上を図ろうとするものである。 In other words, the stop time of the slide or ram (hereinafter referred to as slide, etc.) is T, the maximum speed of the worker's hand movement is 1.6 m/s, the installation position of the safety device,
In other words, the distance D from the slide etc. to the safety device was set to D=1.6×T. However, with this method, it is necessary to provide a large number of optical axes for the safety device, taking into account the die height dimensions, the amount of adjustment of slides, etc., and the height of the mold used, and the disadvantage is that the safety device becomes large-scale. It was hot. This invention was made with the aim of eliminating such drawbacks, and by providing a safety device such as a press brake that can ensure worker safety with a small number of optical axes, it simplifies the safety device and improves safety. This is what we are trying to achieve.
以下この考案をプレスブレーキに実施した例に
ついて詳述する。 An example in which this invention is applied to a press brake will be described in detail below.
図において１はプレスブレーキ本体で、ダイベ
ース２上に下型３が取付けられている。上記ダイ
ベース２の上方には図示しない駆動機構により下
動自在なラム４が設けられており、このラム４の
下面に上記下型３の間で薄板などを折曲げ加工す
る上型５が取付けられていると共に、記ラム４の
両端部にこの考案の安全装置６が設けられてい
る。上記安全装置６は上記ラム４の両端部より突
設された一対の支持部材７と、これら支持部材７
の互に対向する面に設けられた複数個の発光器群
８及び受光器群９とよりなる。上記支持部材７は
逆Ｌ字形をなしていて、垂直部が上下型５，３よ
り手前側に位置していると共に、これら支持部材
７に取付けられた発光器群８及び受光器群９は縦
方向に等間隔に配列されている。そしてこれら発
光器群８及び受光器群９の間に複数条の光軸１０
が形成さされるようになつている。これら光軸１
０はラム４の前面より手前側へ安全距離l1離間し
た位置に水平に形成されると共に、最下段の光軸
１０′は、停止信号が発生されてラム４の停止後、
ラム４の慣性により降下する最大慣性降下値l2よ
り大きな値に、上型５の先端から光軸１０′まで
の距離l3が設定されている。 In the figure, 1 is a press brake main body, and a lower mold 3 is mounted on a die base 2. A ram 4 is provided above the die base 2 and is movable downward by a drive mechanism (not shown), and an upper die 5 for bending a thin plate or the like between the lower die 3 is attached to the lower surface of the ram 4. In addition, safety devices 6 of this invention are provided at both ends of the recording ram 4. The safety device 6 includes a pair of support members 7 protruding from both ends of the ram 4, and these support members 7.
It consists of a plurality of light emitter groups 8 and a plurality of light receiver groups 9 provided on mutually opposing surfaces. The support member 7 has an inverted L-shape, and the vertical part is located on the front side of the upper and lower molds 5 and 3, and the light emitter group 8 and light receiver group 9 attached to the support member 7 are arranged vertically. They are arranged at equal intervals in the direction. A plurality of optical axes 10 are formed between the emitter group 8 and the receiver group 9.
is beginning to form. These optical axes 1
0 is formed horizontally at a position a safe distance l 1 away from the front side of the ram 4, and the lowest optical axis 10' is formed after the ram 4 stops when a stop signal is generated.
The distance l 3 from the tip of the upper mold 5 to the optical axis 10' is set to a value larger than the maximum inertial drop value l 2 that falls due to the inertia of the ram 4.
一方上記受光器群９には上記ラム４の上下動を
制御する制御手段が接続されていて、上記光軸１
０が手などにより遮光されると、停止信号が出て
ラム４の駆動機構を瞬時に停止するようになつて
いる。 On the other hand, control means for controlling the vertical movement of the ram 4 is connected to the light receiver group 9, and the optical axis 1
0 is blocked by a hand or the like, a stop signal is issued and the drive mechanism of the ram 4 is stopped instantly.
この考案は以上詳述したようになるから、プレ
ス作業中誤つて第３図ａのように作業者の手など
が光軸１０を遮断した場合、作業者の手先がラム
４に達する前にラム４の下降が停止されるため、
作業者の安全が図れると共に、第３図ｂに示すよ
うに作業者の手などが上下型５，３間にある間に
ラム４が下降しても、最下段の光軸１０′が遮光
されると同時にラム４の下降が停止され、かつラ
ム４が慣性により下降しても、上型５の先端が手
などに達する前に停止するよう最下段の光軸１
０′を設定してあることから、作業者の安全が図
れるようになる。また光軸１０の数は従来のもの
に比べて少なくしても十分に安全が確保できるた
め、安全装置自体の簡素化も図れるようになる。 Since this device has been described in detail above, if the operator's hand or the like accidentally blocks the optical axis 10 as shown in FIG. Since the descent of 4 is stopped,
In addition to ensuring the safety of the worker, even if the ram 4 is lowered while the worker's hand is between the upper and lower molds 5 and 3 as shown in FIG. At the same time, the lowering of the ram 4 is stopped, and even if the ram 4 descends due to inertia, the optical axis 1 of the lowest stage is set so that it will stop before the tip of the upper mold 5 reaches your hand, etc.
Since the value is set to 0', worker safety can be ensured. Further, since safety can be ensured even if the number of optical axes 10 is reduced compared to the conventional one, the safety device itself can be simplified.
なお上記実施例ではプレスブレーキに実施した
例について説明したが、プレス機械などにも採用
できることは勿論である。 In the above embodiment, an example was explained in which the present invention was applied to a press brake, but it goes without saying that the present invention can also be applied to a press machine or the like.
図面はこの考案の一実施を示し、第１図は全体
的な正面図、第２図は第１図−線に沿う断面
図、第３図ａ，ｂは作用説明図である。
３は下型、５は上型、８は発光器群、９は受光
器群、１０，１０′は光軸。
The drawings show one implementation of this invention, with FIG. 1 being an overall front view, FIG. 2 being a sectional view taken along the line of FIG. 1, and FIGS. 3 is a lower mold, 5 is an upper mold, 8 is a light emitter group, 9 is a light receiver group, and 10 and 10' are optical axes.
Claims (1)
られた上型５の間でプレス成形するものにおい
て、上記上型５を上下動するスライド等の両端側
に発光器群８及び受光器群９を設けて、これら発
光器群８及び受光器群９の間に、上記上型５を取
付けたスライド等より安全距離l1手前側に離して
複数条の光軸１０を上下方向に間隔的に設け、か
つ最下段の光軸１０′は、上型５の先端よりスラ
イド等の最大慣性降下値ｌ下つた位置より下方に
設けると共に、上記光軸１０が遮光された場合
に、上記スライド等の下降を停止するようにして
なるプレスブレーキ等の安全装置。 In press molding between a lower mold 3 and an upper mold 5 provided above the lower mold 3 so as to be vertically movable, a light emitter group 8 and A light receiver group 9 is provided, and a plurality of optical axes 10 are aligned in the vertical direction between the light emitter group 8 and the light receiver group 9 at a safe distance l 1 in front of the slide etc. on which the upper mold 5 is attached. The optical axis 10' at the lowest stage is provided below the position below the maximum inertial drop l of the slide etc. from the tip of the upper die 5, and when the optical axis 10 is blocked, A safety device such as a press brake that stops the descent of the slide, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10874682U JPS5916739U (en) | 1982-07-20 | 1982-07-20 | Safety devices such as press brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10874682U JPS5916739U (en) | 1982-07-20 | 1982-07-20 | Safety devices such as press brakes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5916739U JPS5916739U (en) | 1984-02-01 |
| JPS6327854Y2 true JPS6327854Y2 (en) | 1988-07-27 |
Family
ID=30253589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10874682U Granted JPS5916739U (en) | 1982-07-20 | 1982-07-20 | Safety devices such as press brakes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916739U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2644962B1 (en) * | 2012-03-30 | 2015-10-14 | Fiessler Elektronik GmbH & Co. KG | Reshaping device and method for operating same |
| JP6499215B2 (en) * | 2017-03-08 | 2019-04-10 | 株式会社アマダホールディングス | Press brake |
-
1982
- 1982-07-20 JP JP10874682U patent/JPS5916739U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5916739U (en) | 1984-02-01 |
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