JPH0424560B2 - - Google Patents
Info
- Publication number
- JPH0424560B2 JPH0424560B2 JP55043894A JP4389480A JPH0424560B2 JP H0424560 B2 JPH0424560 B2 JP H0424560B2 JP 55043894 A JP55043894 A JP 55043894A JP 4389480 A JP4389480 A JP 4389480A JP H0424560 B2 JPH0424560 B2 JP H0424560B2
- Authority
- JP
- Japan
- Prior art keywords
- compressed air
- hole
- vacuum
- piston
- main body
- 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 - Lifetime
Links
- 238000004891 communication Methods 0.000 claims description 61
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 description 10
- 238000012790 confirmation Methods 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
- Jet Pumps And Other Pumps (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Description
【発明の詳細な説明】
本発明は真空制御装置に関するもので、吸着パ
ツトによつてワークを吸着し、該ワークを移動あ
るいは固定する場合に最適であることを特徴とす
るものである。上記のごとき、吸着パツトによる
ワークの移動あるいは固定にあつては完全吸着の
確認とともに、吸着の解除が迅速且つ確実に行わ
れることが望ましい。すなわち、不完全吸着のま
ま、次の工程、例えば吸着パツトを移動等させる
と途中でワークが落下する等して危険であり、さ
らに所要のワーク移動等が完了した場合には迅速
且つ確実に吸着を解除しないと、作業能率が悪く
なる欠点がある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vacuum control device, and is characterized in that it is suitable for sucking a workpiece with a suction pad and moving or fixing the workpiece. When moving or fixing a workpiece using a suction pad as described above, it is desirable to confirm complete suction and to release suction quickly and reliably. In other words, if you move the suction pad to the next step with incomplete suction, the workpiece may fall during the process, which is dangerous. If it is not released, there is a disadvantage that work efficiency will deteriorate.
従来、上記に鑑み、実公昭47−25413号公報に
示された「真空吸着釣上げ装置」が提供されてい
るが、それらは装置各部を多数の連結管で連結す
るものであるため、コンパクトに構成することが
困難であるとともに真空(吸着)確認の点で問題
が残されていた。 Conventionally, in view of the above, a "vacuum suction fishing device" as disclosed in Japanese Utility Model Publication No. 47-25413 has been provided, but since these devices connect each part of the device with a large number of connecting pipes, they have a compact structure. It was difficult to do so, and problems remained in terms of vacuum (adsorption) confirmation.
本発明は上記のごとき問題点を解決するもの
で、真空源本体と、真空破壊バルブと、真空確認
スイツチとが一体構成され、応答が早く、しかも
極てコンパクトであり、さらに吸着パツト及び吸
着するワークの大きさ、性質に合わせた吸着解除
が可能な安全な製品を提供することを目的とす
る。また、本発明では真空源として、従来提供さ
れているレシプロ方式やベーン方式の真空ポンプ
を使用せず、どこの工場にでも常備されているコ
ンプレツサーから圧縮空気を使用する構成簡単か
つ安価なエジエクターポンプを使用し、吸着解除
時にも同様に上記圧縮空気を使用し、さらに該圧
縮空気の節約を図り経済的かつ理想的な吸着解除
が行えることを特徴とするものである。 The present invention solves the above-mentioned problems.The vacuum source main body, the vacuum break valve, and the vacuum confirmation switch are integrally constructed, the response is quick, and it is extremely compact. The aim is to provide a safe product that can be removed from adsorption according to the size and nature of the workpiece. In addition, the present invention does not use conventionally available reciprocating or vane type vacuum pumps as a vacuum source, but uses a simple and inexpensive ejector that uses compressed air from a compressor that is always available in any factory. The present invention is characterized in that a pump is used, the compressed air is used in the same way when the adsorption is released, and furthermore, the compressed air is saved, thereby achieving an economical and ideal adsorption release.
以下に本発明の一実施例を図面について詳細に
説明する。 An embodiment of the present invention will be described in detail below with reference to the drawings.
圧縮空気をエジエクターポンプあるいは真空破
壊バルブに供給する切換制御部、エジエクターポ
ンプ及び吸着パツト連結部を有する真空源本体a
は第6図乃至第11図示のごとく本体1とその両
端にネジ2…及び2a…により着脱自在に取付け
られる締付板3及び4から構成される。 Vacuum source main body a having a switching control section for supplying compressed air to an ejector pump or a vacuum breaker valve, an ejector pump and a suction pad connection section
As shown in FIGS. 6 to 11, it is composed of a main body 1 and clamping plates 3 and 4 which are detachably attached to both ends of the main body 1 with screws 2 and 2a.
まず、本体1内には横方向に圧縮空気の供給通
路5、スリーブ6a,6b及び6c並びにスプー
ル7を嵌装する横孔8、横方向に設けた通路9及
びエジエクターポンプとなるノズル体10及び円
錐孔体11を嵌装する横穴12が設けられ、さら
に供給通路5と横穴8を連通する連通孔13、横
穴8と通路9を連通する連通孔14、通路9とノ
ズル体10を連通する連通孔16、ノズル体10
及び円錐孔11間に構成された隔室Xに吸気用ホ
ース、吸着パツト等(図示さず)を連結するため
の吸着パツト連結部18が設けられる。 First, inside the main body 1, there is a compressed air supply passage 5 in the horizontal direction, a horizontal hole 8 into which the sleeves 6a, 6b, and 6c and the spool 7 are fitted, a passage 9 provided in the horizontal direction, and a nozzle body 10 that serves as an ejector pump. and a lateral hole 12 into which the conical hole body 11 is fitted, a communication hole 13 that communicates the supply passage 5 and the lateral hole 8, a communication hole 14 that communicates the lateral hole 8 and the passage 9, and a communication hole 14 that communicates the passage 9 with the nozzle body 10. Communication hole 16, nozzle body 10
A suction pad connecting portion 18 for connecting an intake hose, a suction pad, etc. (not shown) is provided to the compartment X formed between the conical hole 11 and the conical hole 11.
本発明によれば、上記本体1の供給通路5、横
穴8、通路9、横穴12は締付板3,4の取付面
側からの穴加工により簡単に構成することがで
き、連通孔14,16は第6図上下面からの縦方
向穴加工により構成し、止栓19,20をするこ
とにより構成される。 According to the present invention, the supply passage 5, the horizontal hole 8, the passage 9, and the horizontal hole 12 of the main body 1 can be easily constructed by drilling holes from the mounting surface side of the clamping plates 3, 4, and the communication hole 14, Reference numeral 16 is constructed by drilling a vertical hole from the upper and lower surfaces in FIG. 6, and is constructed by attaching stoppers 19 and 20.
さらに、締付板3には上記圧縮空気の供給通路
5と適合する通孔23並びにスリーブ6a,6b
及び6c並びにスプール7を嵌装した横穴8と適
合する通孔24が設けられ、その外側面には三方
切換弁25及びそれを駆動するソレノイド26が
設けられる。図中27は圧縮空気の供給口であ
る。 Further, the tightening plate 3 has a through hole 23 that matches the compressed air supply passage 5, and sleeves 6a, 6b.
and 6c, and a through hole 24 that fits with the side hole 8 into which the spool 7 is fitted, and a three-way switching valve 25 and a solenoid 26 for driving the same are provided on the outer surface of the through hole 24. In the figure, 27 is a compressed air supply port.
また、締付板4には圧縮空気の供給通路5から
横穴8に連通する通孔28、スプール7の一端に
設けたスプリング29を受け入れる凹孔30及び
圧縮空気の排気口31が設けられ、該排気口31
部には消音マフラー32が取付けられる。 Further, the tightening plate 4 is provided with a through hole 28 communicating from the compressed air supply passage 5 to the horizontal hole 8, a recessed hole 30 for receiving a spring 29 provided at one end of the spool 7, and a compressed air exhaust port 31. Exhaust port 31
A muffler 32 is attached to the section.
図中、33,34はスリーブ押えリング、35
はOリング、36はシールリング、37はシール
パツキン、39はスプール7に構成したピスト
ン、40は取付孔である。 In the figure, 33 and 34 are sleeve holding rings, and 35
36 is an O-ring, 36 is a seal ring, 37 is a seal packing, 39 is a piston formed on the spool 7, and 40 is a mounting hole.
つぎに本発明のスリーブ6a,6b,6c及び
スプール7について述べると、スリーブは一体で
もよいが第6図示のごとく三つに分けられるスリ
ーブ6a及び6cは同様の形状に構成され、それ
ぞれ連通孔41及び42が設けられている。ま
た、スリーブ6bには連通孔43が設けられてい
る。 Next, referring to the sleeves 6a, 6b, 6c and spool 7 of the present invention, the sleeves may be integrated, but the sleeves 6a and 6c, which are divided into three as shown in FIG. and 42 are provided. Further, a communication hole 43 is provided in the sleeve 6b.
また、スプール7は上記スリーブ6a,6b及
び6c内にあつて、略々中央部に太径部7aが構
成され、その一側がスリーブ6aあるいは6cの
それぞれ内部端の一方をシールするよう構成され
ている。 The spool 7 is located inside the sleeves 6a, 6b, and 6c, and has a large diameter portion 7a approximately in the center, and one side of the large diameter portion 7a is configured to seal one of the inner ends of the sleeve 6a or 6c, respectively. There is.
上記真空源本体aの真空作用の一例を説明する
と、第6図示の場合は締付板3に設けられた通孔
23と通孔24は三方切換弁25により遮断され
た状態にあり、スプール7はスプリング29で左
方に静止されており、圧縮空気を供給口27に供
給すると、圧縮空気が供給通路5、連通孔13、
スリーブ6bの連通孔43、スリーブ7の周囲を
まわつて、スリーブ6cの連通孔42、連通孔1
4、通路9、連通孔16を通つてノズル体10か
ら円錐孔体11に向けて噴射され、隔室X内が負
圧となり、吸着パツト連結部18、さらには図示
しないが、吸気用ホース及び吸着パツト部の空気
が吸引排気され、該吸着パツトにワークが吸着さ
れ、ワークを移動あるいは固定させることができ
る。なお、図中、44は上記通路9と後述する真
空破壊バルブbの連通溝65に通ずる連通孔、4
5は横穴8のスリーブ6aの位置からやはり後述
する真空破壊バルブbの連通溝68に通ずる連通
孔、46は後述する真空破壊バルブbの連通溝6
9を介して上記隔室Xに通ずる連通孔、47は後
述する真空スイツチcに通ずる連通孔である。 To explain an example of the vacuum effect of the vacuum source main body a, in the case shown in FIG. is held still to the left by a spring 29, and when compressed air is supplied to the supply port 27, the compressed air flows through the supply passage 5, the communication hole 13,
The communication hole 43 of the sleeve 6b, going around the sleeve 7, the communication hole 42 of the sleeve 6c, the communication hole 1
4, through the passage 9 and the communication hole 16, it is injected from the nozzle body 10 toward the conical hole body 11, and the inside of the compartment X becomes negative pressure, and the suction pad connection part 18, and furthermore, although not shown, the suction hose and The air in the suction pad is suctioned and exhausted, and the workpiece is attracted to the suction pad, allowing the workpiece to be moved or fixed. In addition, in the figure, 44 is a communication hole communicating with the passage 9 and a communication groove 65 of a vacuum breaker b, which will be described later.
5 is a communication hole communicating from the position of the sleeve 6a of the side hole 8 to a communication groove 68 of a vacuum breaker valve b, which will also be described later, and 46 is a communication groove 6 of the vacuum breaker valve b, which will be described later.
A communicating hole 9 communicates with the compartment X, and a communicating hole 47 communicates with a vacuum switch c, which will be described later.
つぎに、真空破壊バルブbについて述べると真
空破壊バルブbは上記真空源本体aと一体とされ
るが、第12図乃至第16図示のごとく構成され
ている。 Next, referring to the vacuum break valve b, the vacuum break valve b is integrated with the vacuum source main body a, and is constructed as shown in FIGS. 12 to 16.
該真空破壊バルブbは、真空源本体aの切換制
御部によるエジエクターポンプへの圧縮空気の供
給停止により切換えられた圧縮空気が上記真空源
本体aから導入される連通溝68及び導入された
圧縮空気を吸着パツト連結部18へ供給するため
の連通溝69が設けられ、さらに上記圧縮空気の
導入により移動させられて上記両連通溝68,6
9間を遮断するピストン55,56、並びにピス
トン55,56の反対側隔室Yに設けられた排気
量調整部Z及びエジエクターポンプへの圧縮空気
供給開始時に圧縮空気が供給され上記ピストン5
5,56を原状に復帰させる圧縮空気の連通溝6
5を有する。 The vacuum break valve b is connected to a communication groove 68 through which compressed air is introduced from the vacuum source main body a when the supply of compressed air to the ejector pump is stopped by the switching control section of the vacuum source main body a, and a communication groove 68 through which compressed air is introduced from the vacuum source main body a. A communication groove 69 is provided for supplying air to the suction pad connecting portion 18, and is further moved by the introduction of the compressed air to connect both the communication grooves 68, 6.
When compressed air starts to be supplied to the pistons 55, 56, the displacement adjustment section Z provided in the compartment Y on the opposite side of the pistons 55, 56, and the ejector pump, compressed air is supplied to the piston 5.
Compressed air communication groove 6 for returning 5, 56 to its original state
5.
すなわち、本体50に横穴51が穿設され、そ
の一方には透孔52を有する仕切壁53が固定さ
れ、その透孔52にルーズにロツド54が挿通さ
れ、その両端、すなわち、内側端にピストン5
5、外部端に横穴51の内径より小径の56を設
けて構成され、横穴51の一端が栓57で密閉さ
れる。さらに横穴51の他方、すなわち、上記ピ
ストン55の反対側隔室Yには排気量調整部Z及
びエジエクターポンプへの圧縮空気供給開始時に
圧縮空気が供給され上記ピストン55,56を原
状に復帰させる圧縮空気の連通溝65が設けられ
る。具体的にはスリーブ58及び透孔59を有す
る仕切壁60が設けられ、上記スリーブ58と仕
切壁60間には、中空のスプール62が設けら
れ、上記スリーブ58に挿通され、外部端に摘み
部が設けられ、本体50側に螺合された調整杆6
1の先端が上記スプール62の中空部に適合させ
られ、該スプール62と上記仕切壁60間にはス
プリング63が介在させられ、さらに、スプール
62には、その内外を連通し、上記調整杆61の
進出、復帰で開度が調整される連通孔64が設け
られている。 That is, a horizontal hole 51 is bored in the main body 50, a partition wall 53 having a through hole 52 is fixed to one side of the side hole 51, a rod 54 is loosely inserted into the through hole 52, and a piston is attached to both ends, that is, the inner end. 5
5. A hole 56 having a smaller diameter than the inner diameter of the side hole 51 is provided at the outer end, and one end of the side hole 51 is sealed with a plug 57. Further, compressed air is supplied to the other side of the side hole 51, that is, the compartment Y on the opposite side of the piston 55, when compressed air supply to the displacement adjustment part Z and the ejector pump is started, and the pistons 55 and 56 are returned to their original states. A compressed air communication groove 65 is provided. Specifically, a sleeve 58 and a partition wall 60 having a through hole 59 are provided, and a hollow spool 62 is provided between the sleeve 58 and the partition wall 60, is inserted through the sleeve 58, and has a knob at the outer end. An adjustment rod 6 is provided and screwed to the main body 50 side.
1 is fitted into the hollow portion of the spool 62, and a spring 63 is interposed between the spool 62 and the partition wall 60. Furthermore, the spool 62 is connected to the adjustment rod 61, which communicates between the inside and outside of the spool 62. A communication hole 64 is provided whose opening degree is adjusted by advancing and returning.
図中65は前記した真空源本体aの切換通路9
の連通孔44と連通し、エジエクターポンプへの
圧縮空気供給開始時に圧縮空気が供給され上記ピ
ストン55,56を原状に復帰させる圧縮空気の
連通溝であり、スリーブ58の外周の適位置に設
けた環状溝66に連通され、該環状溝66部に設
けた連通孔57、中空のスプール62の連通孔6
4を介して、スプール62の内部に通じている。 In the figure, 65 is the switching passage 9 of the vacuum source body a described above.
This is a compressed air communication groove that communicates with the communication hole 44 of the sleeve 58 and returns the pistons 55 and 56 to their original states when compressed air is supplied to the ejector pump at the start of compressed air supply to the ejector pump. The communication hole 57 provided in the annular groove 66 and the communication hole 6 of the hollow spool 62 communicate with the annular groove 66 .
4 into the interior of the spool 62.
また図中68は前記した真空源本体9の横穴8
のスリーブ6aの位置に設けた連通孔45と連通
する連通溝であり、横穴51のピストン55及び
56間に開口されている。 In addition, 68 in the figure is the side hole 8 of the vacuum source main body 9 described above.
This is a communication groove that communicates with the communication hole 45 provided at the position of the sleeve 6a, and is opened between the pistons 55 and 56 of the horizontal hole 51.
また、図中69は横穴51の仕切壁53部と、
前記した真空源本体aの隔室Xに通ずる横穴46
とを連通する連通溝であり、仕切壁53の外周の
適位置に設けた環状溝70とその内部のロツド5
4が連通孔71で連通されている。 In addition, 69 in the figure is the partition wall 53 part of the side hole 51,
A horizontal hole 46 communicating with the compartment X of the vacuum source main body a described above.
An annular groove 70 provided at an appropriate position on the outer periphery of the partition wall 53 and the rod 5 inside the annular groove 70.
4 are communicated with each other through a communication hole 71.
つぎに吸着パツトに吸着されたワークの吸着を
解除する場合について述べると、まず前記した真
空源本体aの稼動中、すなわち、エジエクターポ
ンプへの圧縮空気供給時に圧縮空気の一部が通路
9、連通孔44、真空破壊バルブbの連通溝6
5、スリーブ58の環状溝66、連通孔67、ス
プール62の連通孔64、仕切壁60の透孔59
を通つてピストン55を押圧し、ピストン55、
ロツド54及びピストン56を第12図示のごと
き位置してある。 Next, we will discuss the case of releasing the adsorption of the workpiece adsorbed by the suction pad. First, during the operation of the vacuum source main body a, that is, when compressed air is supplied to the ejector pump, a part of the compressed air is released from the passage 9. Communication hole 44, communication groove 6 of vacuum break valve b
5. Annular groove 66 of sleeve 58, communication hole 67, communication hole 64 of spool 62, through hole 59 of partition wall 60
pressing the piston 55 through the piston 55;
The rod 54 and piston 56 are positioned as shown in FIG.
この状態では真空破壊バルブbに通じる他の連
通孔うち、連通孔45はスリーブ6a側が閉じら
れているため圧縮空気が供給されず、さらに連通
孔46は逆の状態、すなわち、負圧状態となつて
いる。 In this state, among the other communication holes leading to the vacuum breaker valve b, the communication hole 45 is closed on the sleeve 6a side, so compressed air is not supplied to it, and the communication hole 46 is in the opposite state, that is, a negative pressure state. ing.
つぎに真空源本体aのソレノイド26に通電す
ると、三方切換弁25が切換えられ、圧縮空気が
供給口27、供給通路5、通孔23、通孔24を
通つて、スプール7のピストン39の背面に供給
され、スプール7が第6図において右方向に移動
させられ、スプール7の太径部7aがスリーブ6
aの内部端から外れるとともにスリーブ6cの内
部端との間をシールし、真空破壊バルブbの通じ
る連通孔44への圧縮空気の供給が遮断される。 Next, when the solenoid 26 of the vacuum source main body a is energized, the three-way switching valve 25 is switched, and the compressed air passes through the supply port 27, the supply passage 5, the through hole 23, and the through hole 24, and the back of the piston 39 of the spool 7. is supplied to the sleeve 6, and the spool 7 is moved rightward in FIG.
It separates from the inner end of the sleeve 6c and seals with the inner end of the sleeve 6c, cutting off the supply of compressed air to the communication hole 44 through which the vacuum breaker valve b communicates.
その結果、圧縮空気は供給口27、供給通路
5、連通孔13、スリーブ6b連通孔43、スプ
ール7の周囲をまわつて、スリーブ6aの連通孔
41、連通孔45、破壊バルブbの連通溝68を
通つて、横穴51内のピストン55とピストン5
6間に供給され、仕切壁53の連通孔71及び環
状溝70、連通溝69、真空源本体aの通孔4
6、隔室X、吸着パツト連結部18から吸着パツ
ト部(図示せず)に供給され、吸着が積極的に解
除される。同時にピストン56は横穴51との間
に間隙があるため及び排気量調整部Zの調整によ
りピストン55が第12図示の状態で徐々に右方
向に移動させられ、同様にロツド54、ピストン
56も移動させられ、やがてはピストン56と仕
切壁53との間がシールされる。 As a result, the compressed air goes around the supply port 27, the supply passage 5, the communication hole 13, the communication hole 43 of the sleeve 6b, and the spool 7, and then goes around the communication hole 41 of the sleeve 6a, the communication hole 45, and the communication groove 68 of the rupture valve b. The piston 55 in the side hole 51 and the piston 5
6, the communication hole 71 of the partition wall 53, the annular groove 70, the communication groove 69, and the communication hole 4 of the vacuum source main body a.
6. The suction pad is supplied from the compartment X and the suction pad connecting portion 18 to the suction pad section (not shown), and the suction is actively released. At the same time, since there is a gap between the piston 56 and the horizontal hole 51, and due to the adjustment of the displacement adjustment part Z, the piston 55 is gradually moved to the right in the state shown in Figure 12, and the rod 54 and piston 56 are also moved in the same way. Eventually, the space between the piston 56 and the partition wall 53 is sealed.
その結果、連通溝68と連通溝69間が遮断さ
れ、吸着パツト部への圧着空気の供給が自動的に
遮断されるものである。 As a result, the communication groove 68 and the communication groove 69 are cut off, and the supply of compression air to the suction pad section is automatically cut off.
そして、その後ソレノイド26への通電を断つ
とスプリング29によりスプール7が復帰させら
れ吸着可能状態となり、さらに真空破壊バルブb
のピストン55,56は吸着動作時に連通孔44
及び連通溝65からの圧縮エアーで復帰させら
れ、次の真空破壊に備えられるものである。上記
破壊バルブbのピストン55,56の動作、すな
わち、ピストン56による仕切壁53とのシール
までの時間が吸着パツト部への破壊空気の供給時
間であり、その制御は上記調整杆61の進出、復
帰によるスプール62の連通孔64の開度(排気
量)調整により行われる。 Then, when the power to the solenoid 26 is cut off, the spool 7 is returned to its original position by the spring 29 and becomes ready for suction, and the vacuum breaker valve b
The pistons 55 and 56 are connected to the communication hole 44 during suction operation.
It is returned by compressed air from the communication groove 65, and is prepared for the next vacuum break. The operation of the pistons 55 and 56 of the rupture valve b, that is, the time until the piston 56 seals with the partition wall 53 is the supply time of rupture air to the suction pad section, and its control is controlled by the advance of the adjustment rod 61, This is done by adjusting the opening degree (displacement amount) of the communication hole 64 of the spool 62 upon return.
すなわち、本発明によれば、吸着パツト部への
破壊空気の供給時間をソレノイド等を使用するこ
となく、エジエクターポンプへの供給停止により
切換えられた圧縮空気を使用してピストン55,
56の移動速度を制御し、使用している吸着パツ
ト及び吸着するワークの大きさ、性質等に合せて
調整でき、しかも自動停止により圧縮空気を節約
でき経済的である。さらに上記ピストン55,5
6の原状復帰も真空作業開始時、すなわち、エジ
エクターポンプへの圧縮空気供給開始時に圧縮空
気により行うことができる。 That is, according to the present invention, without using a solenoid or the like, the supply time of breaking air to the suction pad part is changed by using the compressed air that is changed by stopping the supply to the ejector pump, and the piston 55,
The moving speed of the suction pad 56 can be controlled and adjusted according to the suction pad being used and the size and properties of the work to be suctioned, and furthermore, the automatic stop saves compressed air, making it economical. Furthermore, the pistons 55, 5
6 can also be restored to its original state using compressed air at the start of vacuum work, that is, at the start of compressed air supply to the ejector pump.
つぎに、真空確認スイツチcについて述べる
と、該真空確認スイツチcは上記真空源本体aの
一端面に密着結合され、第17図乃至第20図示
のごとく構成されている。すなわち、本体80の
適位置に真空源本体aの隔室X部に設けられた連
通孔47と連通する連結部81が設けられ、さら
に別にシリンダー82及びピストン83を設け、
ピストン83のシリンダー内部にはスプリング8
4が嵌装され、さらに上記連通孔81が通孔81
aによつて連通させられる。さらにピストン83
の外側にはピストン83が抜脱することがないよ
うにストツパー91が設けられるとともに、ピス
トン83の調整スプリング85、調整ネジ86が
設けられる。 Next, referring to the vacuum confirmation switch c, the vacuum confirmation switch c is tightly coupled to one end surface of the vacuum source body a, and is constructed as shown in FIGS. 17 to 20. That is, a connecting portion 81 that communicates with the communication hole 47 provided in the compartment X portion of the vacuum source main body a is provided at an appropriate position of the main body 80, and a cylinder 82 and a piston 83 are further provided,
A spring 8 is installed inside the cylinder of the piston 83.
4 is fitted, and the communication hole 81 is connected to the communication hole 81.
communicated by a. Furthermore, piston 83
A stopper 91 is provided on the outside of the piston 83 to prevent the piston 83 from coming off, and an adjustment spring 85 and an adjustment screw 86 for the piston 83 are also provided.
さらに、シリンダー82部には本体80の外側
面に貫通する長孔87が設けられ、該長孔87部
のピストン83には外側面に突出するピン88が
植設される。 Further, the cylinder 82 is provided with an elongated hole 87 that penetrates the outer surface of the main body 80, and the piston 83 of the elongated hole 87 is provided with a pin 88 that projects from the outer surface.
つぎに本体80の外側面であつて、上記ピン8
8と対向する位置にマイクロスイツチ89が設け
られ、ピストン83によりピン88が移動させら
れたとき、マイクロスイツチ89の可動接点90
が押圧されるよう構成されている。 Next, on the outer surface of the main body 80, the pin 8
A micro switch 89 is provided at a position facing 8, and when the pin 88 is moved by the piston 83, the movable contact 90 of the micro switch 89
is configured to be pressed.
上記構成の真空確認スイツチcは真空源本体a
が稼動させられ、隔室Xが負圧になると、真空源
本体aの連通孔47、真空確認スイツチcの連通
孔81、通孔81a、シリンダー83内部が負圧
となり、ピストン83が移動して、該ピストン8
3に植設したピン88がマイクロスイツチ89を
接続等するものであり、その電気信号により安全
吸着を確認して吸着パツトを移動させればよいも
のであり、安全である。 The vacuum confirmation switch c with the above configuration is the vacuum source body a.
is operated and the compartment X becomes negative pressure, the communication hole 47 of the vacuum source main body a, the communication hole 81 of the vacuum confirmation switch c, the communication hole 81a, and the inside of the cylinder 83 become negative pressure, and the piston 83 moves. , the piston 8
A pin 88 implanted in 3 connects a micro switch 89, etc., and the suction pad can be moved only after confirming safe suction using the electric signal, which is safe.
上記ごとく、本発明によれば、完全吸着の確認
と迅速な吸着解除を行うことができ、しかも真空
源本体、真空破壊バルブ及び真空確認スイツチが
一体とされているため、極めて応答が早く、しか
もコンパクトであり、さらに吸着パツト及び吸着
するワークの大きさ、性質等に合せて経済的かつ
安全な吸着解除を行なうことができる。 As described above, according to the present invention, complete suction can be confirmed and suction can be quickly released, and since the vacuum source main body, vacuum break valve, and vacuum confirmation switch are integrated, the response is extremely fast. It is compact and can perform economical and safe suction release according to the size, properties, etc. of the suction pad and the workpiece to be suctioned.
図面は本発明の一実施例を示すもので、第1図
乃至第5図は全体を示し、第1図は正面図、第2
図は背面図、第3図は平面図、第4図は底面図、
第5図は右側面図であり、第6図乃至第11図は
真空源本体を示し、第6図は要部の縦断面図、第
7図は平面図、第8図は底面図、第9図は一部一
点鎖線で表わした左側面図、第10図は一部を一
点鎖線で表わした右側面図、第11図は第6図の
E−E線断面図であり、第12図乃至第16図は
真空破壊バルブを示し、第12図は要部の縦断面
図、第13図は平面図、第14図は第12図のF
−F線断面図、第15図は第12図のG−G線断
面図、第16図は第12図H−H線断面図、第1
7図乃至第20図は真空確認スイツチを示し、第
17図は要部の縦断面図、第18図は平面図、第
19図は第17図のI−I線断面図、第20図は
第17図のJ−J線断面図である。
a…真空源本体、b…真空破壊バルブ、c…真
空確認スイツチ。
The drawings show one embodiment of the present invention, and Fig. 1 to Fig. 5 show the whole, Fig. 1 is a front view, and Fig. 2 is a front view.
The figure is a rear view, the third figure is a top view, the fourth figure is a bottom view,
Fig. 5 is a right side view, Figs. 6 to 11 show the main body of the vacuum source, Fig. 6 is a vertical sectional view of the main part, Fig. 7 is a plan view, Fig. 8 is a bottom view, 9 is a left side view partially indicated by a chain line, FIG. 10 is a right side view partially indicated by a chain line, FIG. 11 is a sectional view taken along line E-E in FIG. 6, and FIG. Figures 16 to 16 show the vacuum breaker valve, Figure 12 is a vertical cross-sectional view of the main parts, Figure 13 is a plan view, and Figure 14 is the F of Figure 12.
-F line sectional view, Fig. 15 is a GG line sectional view of Fig. 12, Fig. 16 is a 12th line H-H sectional view,
7 to 20 show the vacuum confirmation switch, FIG. 17 is a vertical sectional view of the main part, FIG. 18 is a plan view, FIG. 19 is a sectional view taken along line I-I in FIG. 17, and FIG. FIG. 17 is a sectional view taken along line J-J in FIG. 17; a... Vacuum source body, b... Vacuum break valve, c... Vacuum confirmation switch.
Claims (1)
破壊バルブに供給する切換制御部、エジエクター
ポンプ及び吸着パツト連結部を有する真空源本体
と、該真空源本体の一側面に密着結合され、上記
切換制御部によるエジエクターポンプへの圧縮空
気の供給停止により切換えられた圧縮空気が上記
真空源本体から導入される連通溝及び導入された
圧縮空気を吸着パツト連結部へ供給するための連
通溝が設けられ、さらに上記圧縮空気の導入によ
り移動させられて上記両連通溝間を遮断するピス
トン並びに該ピストンの反対側隔室に設けられた
排気量調整部及びエジエクターポンプへの圧縮空
気供給開始時に圧縮空気が供給され上記ピストン
を原状に復帰させる圧縮空気の連通溝を有する真
空破壊バルブと、上記真空源本体の一側面に密着
結合され、エジエクターポンプ稼動時に移動させ
られるピストンにより作用するマイクロスイツチ
を有する真空確認スイツチとからなることを特徴
とする真空制御装置。1. A vacuum source main body having a switching control section for supplying compressed air to an ejector pump or a vacuum breaker valve, an ejector pump and suction pad connection section, and a vacuum source main body that is tightly coupled to one side of the vacuum source main body, A communication groove is provided through which the compressed air switched when the supply of compressed air to the ejector pump is stopped is introduced from the vacuum source main body, and a communication groove is provided through which the introduced compressed air is supplied to the suction pad connection part. Compressed air is supplied when compressed air starts to be supplied to the piston that is moved by the introduction of the compressed air and blocks the communication groove, and the displacement adjustment section and ejector pump provided in the compartment on the opposite side of the piston. a vacuum breaker valve having a compressed air communication groove for returning the piston to its original state, and a micro switch tightly coupled to one side of the vacuum source body and operated by the piston that is moved when the ejector pump is in operation. A vacuum control device characterized by comprising a switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4389480A JPS56141100A (en) | 1980-04-03 | 1980-04-03 | Controller for vacuum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4389480A JPS56141100A (en) | 1980-04-03 | 1980-04-03 | Controller for vacuum |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56141100A JPS56141100A (en) | 1981-11-04 |
JPH0424560B2 true JPH0424560B2 (en) | 1992-04-27 |
Family
ID=12676410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4389480A Granted JPS56141100A (en) | 1980-04-03 | 1980-04-03 | Controller for vacuum |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56141100A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0346240Y2 (en) * | 1985-06-06 | 1991-09-30 | ||
JPH0716080Y2 (en) * | 1985-06-06 | 1995-04-12 | エスエムシ−株式会社 | Ejector device |
JPH03248280A (en) * | 1990-02-26 | 1991-11-06 | Hitachi Medical Corp | Picture contour extracting device |
JP2553892Y2 (en) * | 1990-05-01 | 1997-11-12 | エスエムシー株式会社 | Ejector device |
US5683227A (en) * | 1993-03-31 | 1997-11-04 | Smc Corporation | Multistage ejector assembly |
JP2725999B2 (en) * | 1994-04-28 | 1998-03-11 | エスエムシー株式会社 | Vacuum supply device |
JPH08100799A (en) * | 1995-08-10 | 1996-04-16 | Smc Corp | Vacuum supplying device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4725413U (en) * | 1971-04-17 | 1972-11-22 | ||
JPS5536935B2 (en) * | 1974-04-02 | 1980-09-25 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5536935U (en) * | 1978-08-30 | 1980-03-10 |
-
1980
- 1980-04-03 JP JP4389480A patent/JPS56141100A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4725413U (en) * | 1971-04-17 | 1972-11-22 | ||
JPS5536935B2 (en) * | 1974-04-02 | 1980-09-25 |
Also Published As
Publication number | Publication date |
---|---|
JPS56141100A (en) | 1981-11-04 |
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