EP2191148A1 - Vakuumerzeugervorrichtung und verfahren zu ihrem betreiben - Google Patents
Vakuumerzeugervorrichtung und verfahren zu ihrem betreibenInfo
- Publication number
- EP2191148A1 EP2191148A1 EP08865808A EP08865808A EP2191148A1 EP 2191148 A1 EP2191148 A1 EP 2191148A1 EP 08865808 A EP08865808 A EP 08865808A EP 08865808 A EP08865808 A EP 08865808A EP 2191148 A1 EP2191148 A1 EP 2191148A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- time
- pressure
- suction
- aeration
- evacuation
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
- F04F5/52—Control of evacuating pumps
Definitions
- US Pat. No. 5,617,898 discloses an arrangement of fluid pressure devices each having its own electronic control unit to relieve a connected sequencer.
- the fluid pressure devices may include displays to indicate malfunctions.
- the aeration time is measured, which elapses until the vacuum prevailing in the suction channel has fallen from the region of the working negative pressure to a venting pressure which is associated with releasing the previously sucked-in article.
- the aeration pressure used for the time comparison is expediently a pressure in the presence of which it can be assumed that a previously held object was normally released again.
- the venting pressure may correspond directly to the atmospheric pressure, but is conveniently a slight safety pressure below the atmospheric pressure, allowing for a more accurate measurement because the venting characteristic may leak out to atmospheric pressure in a very shallow manner, especially when operating without a discharge pulse.
- an operation with ejection pulse ie if the release of the object by an overpressure pulse controlled by a blow-off valve
- the check valve 42 is oriented so that it allows an air flow from the suction pad 7 towards the ejector 27, in the opposite direction, however, prevented. In other words, it assumes a shut-off position when the pressure applied to the side of the ejector device 27 is absolutely greater than the pressure prevailing on the side of the suction gripper 7.
- the ventilation can be assisted by this blow-off valve 5 37 or carried out alone.
- a sole venting through the purge valve 37 takes place when the check valve 42 is present.
- pressurized air flowing under pressure causes a discharge impulse via the blowout valve 37 connected in the open position lo at the connection point 28, bypassing the ejector device 27, into the suction channel 35, so that the negative pressure is reduced very rapidly and under certain circumstances even at least for a short time prevails in the suction channel 35.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007061820.6A DE102007061820B4 (de) | 2007-12-20 | 2007-12-20 | Vakuumerzeugervorrichtung |
| PCT/EP2008/009953 WO2009080170A1 (de) | 2007-12-20 | 2008-11-25 | Vakuumerzeugervorrichtung und verfahren zu ihrem betreiben |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2191148A1 true EP2191148A1 (de) | 2010-06-02 |
| EP2191148B1 EP2191148B1 (de) | 2015-08-12 |
Family
ID=40381364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08865808.3A Active EP2191148B1 (de) | 2007-12-20 | 2008-11-25 | Vakuumerzeugervorrichtung und verfahren zu ihrem betreiben |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2191148B1 (de) |
| CN (1) | CN101903662B (de) |
| DE (1) | DE102007061820B4 (de) |
| WO (1) | WO2009080170A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011118173B4 (de) | 2011-11-10 | 2015-10-08 | Festo Ag & Co. Kg | Verfahren zum Betreiben einer Vakuumgreifeinrichtung, Vakuumsteuereinrichtung und Manipulator |
| DE102011118168B4 (de) | 2011-11-10 | 2015-12-31 | Festo Ag & Co. Kg | Verfahren zum Betreiben einer Vakuumgreifeinrichtung, Vakuumsteuereinrichtung und Manipulator |
| DE102011119785B3 (de) | 2011-11-30 | 2012-12-13 | Festo Ag & Co. Kg | Vakuumgreifeinrichtung und Verfahren zum Betreiben einer Vakuumgreifeinrichtung |
| WO2013120802A1 (de) * | 2012-02-13 | 2013-08-22 | J. Schmalz Gmbh | Verfahren zum betreiben eines unterdruckerzeugers und unterdruckerzeuger zur durchführung des verfahrens |
| CN105485040B (zh) * | 2015-12-24 | 2018-04-27 | 合肥敬业电子有限公司 | 一种真空检测装置及检测方法 |
| EP3243608B1 (de) | 2016-05-09 | 2022-04-06 | J. Schmalz GmbH | Verfahren zur überwachung von funktionszuständen eines druckangetriebenen aktors und druckantreibbarer aktor |
| CN106406373A (zh) * | 2016-10-21 | 2017-02-15 | 杭州孚亚科技有限公司 | 新型流体调压装置及其流体调压方法 |
| DE102018110741A1 (de) * | 2018-05-04 | 2019-11-07 | J. Schmalz Gmbh | Unterdruckhandhabungsvorrichtung |
| DE102021208180B4 (de) | 2021-07-29 | 2024-01-11 | Festo Se & Co. Kg | Vakuumerzeugervorrichtung, System und Verfahren |
| JP7217379B1 (ja) | 2022-08-23 | 2023-02-02 | 株式会社ユーシン精機 | 成形品取出機 |
| WO2025032847A1 (ja) * | 2023-08-08 | 2025-02-13 | ミネベアミツミ株式会社 | 真空制御装置、真空発生装置及び吸着装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5188411A (en) | 1991-01-24 | 1993-02-23 | John A. Blatt | Vacuum cup control apparatus |
| JP3418411B2 (ja) | 1991-09-06 | 2003-06-23 | Smc株式会社 | 真空ユニット |
| EP0860609B1 (de) * | 1991-09-10 | 2005-11-30 | Smc Kabushiki Kaisha | Durch Flüssigkeitsdruck betätigte Vorrichtung |
| DE102004031924B4 (de) | 2004-06-23 | 2006-05-04 | J. Schmalz Gmbh | Vorrichtung zum Erzeugen eines Unterdrucks |
| DE102004047853A1 (de) | 2004-10-01 | 2006-04-20 | Festo Ag & Co. | Steuereinrichtung für wenigstens ein Saugelement |
-
2007
- 2007-12-20 DE DE102007061820.6A patent/DE102007061820B4/de active Active
-
2008
- 2008-11-25 CN CN200880121390.0A patent/CN101903662B/zh active Active
- 2008-11-25 WO PCT/EP2008/009953 patent/WO2009080170A1/de not_active Ceased
- 2008-11-25 EP EP08865808.3A patent/EP2191148B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009080170A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101903662B (zh) | 2014-04-09 |
| EP2191148B1 (de) | 2015-08-12 |
| DE102007061820A1 (de) | 2009-06-25 |
| WO2009080170A1 (de) | 2009-07-02 |
| DE102007061820B4 (de) | 2024-08-22 |
| CN101903662A (zh) | 2010-12-01 |
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