EP2025941A2 - Dispositif portatif pour créer le vide - Google Patents

Dispositif portatif pour créer le vide Download PDF

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Publication number
EP2025941A2
EP2025941A2 EP08012469A EP08012469A EP2025941A2 EP 2025941 A2 EP2025941 A2 EP 2025941A2 EP 08012469 A EP08012469 A EP 08012469A EP 08012469 A EP08012469 A EP 08012469A EP 2025941 A2 EP2025941 A2 EP 2025941A2
Authority
EP
European Patent Office
Prior art keywords
vacuum
transport container
vacuum pump
capsule insert
capsule
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
Application number
EP08012469A
Other languages
German (de)
English (en)
Other versions
EP2025941A3 (fr
EP2025941B1 (fr
Inventor
Andreas Randecker
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.)
Festool GmbH
Original Assignee
Festool GmbH
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 Festool GmbH filed Critical Festool GmbH
Publication of EP2025941A2 publication Critical patent/EP2025941A2/fr
Publication of EP2025941A3 publication Critical patent/EP2025941A3/fr
Application granted granted Critical
Publication of EP2025941B1 publication Critical patent/EP2025941B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/005—Vacuum work holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/005—Vacuum work holders
    • B25B11/007—Vacuum work holders portable, e.g. handheld
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0225—Hand held
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/06—Mobile combinations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2220/00—Application
    • F04C2220/10—Vacuum

Definitions

  • the invention relates to a portable vacuum generator device.
  • a portable vacuum generating apparatus for a vacuum holding apparatus for holding a workpiece by vacuum, a vacuum pump for generating a vacuum, having a supply port for connection to a workpiece holder having a suction head for sucking the workpiece, and a lid lockable transport container in which the vacuum pump is arranged, and with a capsule insert for capsulating and holding the vacuum pump in the transport container, wherein the capsule insert rests against at least one wall of the transport container.
  • the transport container is preferably box-like.
  • the transport container forms a hard transport envelope, preferably a hard shell, so to speak.
  • the transport container made of polypropylene, ABS or the like.
  • the capsule insert forms a kind of bed for the vacuum pump and encapsulates it safely, so that it is protected against damage, for example.
  • the vacuum pump remains advantageous in the operation of the vacuum generating device in the transport container.
  • the transport container is preferably a stackable transport container.
  • the transport container fits a transport container system, which is suitable, for example, for transporting other tools, for example drilling tools, grinders and the like.
  • the capsule insert has an outer contour, which preferably correlates with the inner contour of the transport container, so that it fits, as it were, tailor-made into the transport container.
  • the capsule insert rests, for example, on the bottom of the transport container and rests against one or more side walls of the transport container. It is understood that the capsule insert can also be arranged next to another insert, which is arranged in the transport container, and can rest against it, so that the two inserts are supported against each other.
  • the capsule insert encapsulates the vacuum pump at least in the region of a removal opening which can be closed by the cover of the transport container. Through the removal opening can the vacuum pump are principally removed, for example, for maintenance purposes. In itself, however, the vacuum pump remains in the transport container, so that it is always protected.
  • the capsule insert expediently has a vacuum pump receptacle which is suitable for the vacuum pump and the inner contour of which is tailor-made at least substantially correlated with an outer contour of the vacuum pump, so that it rests substantially flat against the inner contour of the receptacle. It is understood that the vacuum pump does not have to be applied to all surfaces of the recording.
  • the vacuum pump is expediently kept floating in the capsule insert.
  • the vacuum pump does not have to be clamped in the capsule insert, so to speak.
  • the capsule insert has expediently a mechanical damper effect.
  • the capsule insert is elastic and / or acts as a mechanical protection, in the manner of a shock absorber.
  • the mechanical damping effect is also appropriate with regard to soundproofing or a silencer effect.
  • the capsule insert is electrically insulating.
  • an ungrounded outer housing of the vacuum pump can be electrically insulated, so that no additional protective conductor cable is required.
  • the capsule insert is suitably made of plastic.
  • the capsule insert is for example a plastic molded part.
  • the capsule insert advantageously consists at least substantially of expanded polypropylene (EPP).
  • EPP expanded polypropylene
  • the capsule insert is two or more parts.
  • the capsule insert for example, a capsule insert base, which rests on a bottom of the transport container.
  • a capsule insert cover part rests on the capsule insert lower part and together with it encapsulates the vacuum pump.
  • the capsule insert cover part is held in the transport container only by a fixation releasable with a tool.
  • the electrical insulation can only be canceled with a tool, which serves the safety of the user.
  • the vacuum pump can not accidentally fall out of the transport container.
  • the capsule insert cover part expediently has a recess for an air filter, for example a suction filter, for the vacuum pump.
  • an air filter for example a suction filter
  • the filter is easily accessible and maintainable.
  • connection elements On an outer wall of the transport container controls and / or connection elements are advantageously provided. An operating area or a connection area is suitable for this purpose. Conveniently, all connections and control components are bundled on a single side of the transport container. The connections are provided, for example, for electric current, for connecting the workpiece holder or the like. Also, a vacuum indicator, electric indicators, and the like are advantageous.
  • the respective operating device or connecting device is preferably not in front of an outer contour of the transport container. This makes transport damage easier to avoid.
  • a vacuum holding device 10 for holding workpieces for holding workpieces, such as wood parts to be processed, plastic parts, metal parts or the like, includes a workpiece holder 11 having a suction head 13 held on a suction head holder 12 for sucking a respective workpiece.
  • a vacuum generator device 14 generates a vacuum for sucking the workpiece. With a foot switch 15, the vacuum, which is present at a suction surface 16 of the suction head 13, can be switched.
  • the vacuum holding device 10 includes a plurality of components, each of which is easily transportable and so on site, For example, in a workshop, on a construction site or the like, are available.
  • a vacuum pump 17 of the vacuum generator device 14 is arranged, for example, in a transport container 18, which is designed as a system transport container or transport case.
  • the transport container 18 fits a system of other transport containers, which serve for example for the transport of tools (drills, grinders and the like).
  • the transport container 18 includes a box-like lower part 19 which is closable with a lid 20.
  • the vacuum pump 17 is arranged in a capsule insert 21, which completely encapsulates the vacuum pump 17 so that it is electrically insulated and is also soundproofed and protected against impact loading in the transport container 18.
  • the transport container 18 protects all in its internally arranged components, in particular the vacuum pump 17, and can be operated even when the lid 20 is closed. Namely, an operating area 23 and a connection area 24 for connecting further components and for operating the vacuum generator device 14 are provided on a side wall 22 of the transport container 18. There are as operating means 25, for example, an electrical on-off switch 26 and a pressure indicator or vacuum display 27, e.g. a pressure gauge or vacuum gauge, and as connection means 28, an electrical connection 29 for the power supply of the vacuum pump 17 and a vacuum connection 30.
  • the vacuum generating device 14 is operable from one side.
  • an air hose 31 for vacuum supply of the workpiece holder 11 can be connected.
  • the air hose 31 advantageously has a quick coupling 31a, which can be plugged into a corresponding quick coupling 31b on the vacuum connection 30.
  • the workpiece holder 11 includes a Abstellbasis 32 for parking on a preferably flat surface.
  • the Abstellbasis could be fixed for example with screws to a substrate, for which screw holes 33 are preferably provided at their corner regions.
  • a Abstellfuß 34 are evacuated, so that the Abstellfuß 34 is firmly sucked on the ground.
  • a valve assembly 35 For switching the vacuum on the underside of the plate-like Abstellfußes 34, a valve assembly 35 is provided with a switching valve 36.
  • the valve arrangement 35 is arranged on an upper side of the Abstellfußes 34, so that it is easily accessible.
  • a switching element 37 of the switching valve 36 can be easily taken, which serves to switch the switching valve 36 between a holding position and a ventilation position.
  • the switching valve 36 connects a vacuum provided at a vacuum supply port 38 of the workpiece holder 11 via the air tube 31 to a stopper port 39 of the valve assembly 35, so that the stop foot 34 is evacuated and sucks on a substrate.
  • the terminals 38, 39 are separated from each other, so that the vacuum at the Abstellfuß 34 is not maintained and thus the workpiece holder 11 can be removed from the ground.
  • the suction head holder 12 is movably mounted on the workpiece holder 11, in this case pivotally.
  • a pivot bearing base 40 from above, on which the suction head holder 12 is pivotally mounted.
  • Bearing pieces 41 of the suction head holder 12, such as bolts, are pivotally mounted in bearing receivers 42 on side parts 43 of the pivot bearing base 40 pivotally.
  • the Auflageraufnamen 42 are, for example, holes in the side walls designed as walls 43.
  • the bearing pieces 41 for example, engage in receptacles 48 of the suction head holder 12 a.
  • a pivot recess 45 for the suction head holder 12 and the suction head 13 is provided, so that the suction head 13 of the in FIG. 1 shown vertical position to the side in a substantially horizontal position can be pivoted.
  • the pivoting range of the suction head 13 is extended, for example to a range of about 90 °.
  • a non-visible locking device such as a clamping screw, a clamping lever or the like on the in FIG. 1 side facing away from the viewer 43.
  • the capsule insert 21 of the transport container 18 comprises a capsule insert lower part 180, in which the vacuum pump 17 is embedded, and a capsule insert cover part 181 for covering the capsule insert lower part 180.
  • the capsule insert cover part 181 rests on the capsule insert lower part 180 and together with it encapsulates the vacuum pump 17 at least in the region of one through the lid 20 closable removal opening 202 of the transport container 18th
  • the lid 20 is usually closed.
  • the two capsule inserts 180, 181 encapsulate the vacuum pump 17 at least partially, but advantageously completely, both mechanically and electrically.
  • the vacuum pump 17 is so to speak embedded in the two capsule insert parts 180, 181 and stored there floating.
  • the capsule insert lower part 180 preferably also the capsule insert cover part 181 are preferably adapted to the outer contour of the vacuum pump 17.
  • a vacuum pump with a vacuum pump receptacle 182 for the vacuum pump 17 is present.
  • the vacuum pump 17 is preferably a dry-running vacuum pump, e.g. a rotary vane pump.
  • the capsule insert cover part 181 completely covers the vacuum pump 17, so that it is encapsulated.
  • the capsule insert 21 is preferably made of foamed plastic, for example EPP. This plastic has both a sound-absorbing and an electrically insulating effect.
  • EPP foamed plastic
  • the electrical connection 29 is only a two-pole connection, i. H. one connection without protective conductor.
  • the vacuum generating device 14 need not be grounded separately, even if, for example, the housing of the vacuum pump 17 is made of metal.
  • a hose 183 extends preferably via a coupling 184 away to an air filter 185, for example an intake air filter.
  • the vacuum pump 17 sucks via the air filter 185, which is connected to a hose 186 to the vacuum port 30 to air.
  • the capsule insert lower part 180 has an air filter receptacle 187 for the air filter 185.
  • the capsule insert cover part 181 has a recess 188, so that the air filter 185 is easily accessible for maintenance purposes, for example.
  • the remaining components of the vacuum generator device 14 are completely encapsulated by the capsule insert 21.
  • the capsule insert cover part 181 is held in the transport container 18 by a fixation 189 which can be released only with a tool.
  • the fixation 189 comprises a support bar 190 which extends between the side wall 22 and one of these opposite side wall 191 of the transport container 18 and extends in a longitudinal recess 192 at the top of the capsule insert cover part 181.
  • the retaining bar 190 can only be removed if two sleeve-like brackets 193, which are pushed through the side walls 22, 191, are removed.
  • the holding rod 190 is inserted in the holders 193. Only with a tool, it is possible to press down on the outer periphery of the holders 193 193 as far as the holders 193 can be pulled out of insertion on the side walls 22, 191, so that the support rod 190th comes free.
  • the capsule inserts 180, 181 are plastic molded parts whose outer contour is adapted to the inner contour of the transport container 18. Thus, the capsule inserts 180, 181 are stored immovably in the transport container 18. For example, both capsule inserts 180, 181 are laterally supported respectively on the inner sides of the side walls 22, 191 and a front wall 195 and a rear wall 196 of the transport container 18 from.
  • the capsule inserts 180, 181 preferably have protrusions 203 and recesses 204 that correlate with and engage recesses 205 and protrusions 206 of the walls 22, 191, 195 and 196, such that the capsule inserts 180, 181 form-fit against the walls 22, 191, 195 and 196 are present.
  • the capsule insert lower part 180 is also completely flat or at several points supported on a surface on a bottom 197 of the transport container lower part 19.
  • the transport container lid 20 can be closed by means of clamping catches 199.
  • the clamping catches 199 simultaneously serve as connecting elements to further transport containers (not shown), which are designed like the transport container 18 as a system container. For example, then further clamping latches 199 of the other transport container can be latched with locking projections 200 of the transport container 18.
  • the transport container 18 forms a hard shell, so to speak, which protects the components arranged in its interior, namely, for example, the vacuum pump 17 and the air filter 185.
  • the capsule insert 21, however, is dimensionally stable, but elastic to a certain extent, so that the components are buffered against impact load.
  • the operating devices 25 and the connection devices 28 are not in front of an outer contour of the transport container 18.
  • cooling air slots 201 are provided, can flow through the cooling air for the vacuum pump 17 in the transport container 18. Since at least the connection and operating area 23, 24 must be freely accessible during operation of the vacuum generator device 14, if the corresponding connection lines are engaged there, the cooling air slots 201 are also freely accessible, so that cooling of the vacuum generator device 14 is readily possible ,
  • the capsule insert 21 has at least one air opening 207 corresponding to the cooling air slots 201.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
EP08012469.6A 2007-08-08 2008-07-10 Dispositif portatif pour créer le vide Ceased EP2025941B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007037334A DE102007037334A1 (de) 2007-08-08 2007-08-08 Tragbare Vakuumerzeugervorrichtung

Publications (3)

Publication Number Publication Date
EP2025941A2 true EP2025941A2 (fr) 2009-02-18
EP2025941A3 EP2025941A3 (fr) 2014-09-03
EP2025941B1 EP2025941B1 (fr) 2018-01-24

Family

ID=40030277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012469.6A Ceased EP2025941B1 (fr) 2007-08-08 2008-07-10 Dispositif portatif pour créer le vide

Country Status (2)

Country Link
EP (1) EP2025941B1 (fr)
DE (1) DE102007037334A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016027032A1 (fr) 2014-08-20 2016-02-25 LAURENT HERVé Appareil de mise sous vide d'air d'un récipient étanche contenant un produit en vue de prolonger la durée de conservation de ce produit
WO2021081336A1 (fr) * 2019-10-24 2021-04-29 Vacuworx Global, LLC Système de ventouse de levage portable
JP2024027744A (ja) * 2022-08-18 2024-03-01 日本車輌製造株式会社 建設機械の油圧配管接続方法
EP4512578A1 (fr) 2023-08-24 2025-02-26 Festool GmbH Dispositif de serrage à vide

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010038059A1 (de) 2010-10-08 2012-04-12 Gebr. Becker Gmbh Umfassungseinrichtung und in einer Umfassungseinrichtung aufgenommenes Strömungsaggregat
CN112901451A (zh) * 2021-04-02 2021-06-04 西安国际医学中心有限公司 一种临床治疗用智能真空泵
DE202021104521U1 (de) 2021-08-23 2021-11-02 Innoconcept Ohg Vakuum-Werkstückhalterung für die spannmittellose Halterung von plattenförmigen Werkstücken

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389166A (en) * 1979-10-22 1983-06-21 Harvey-Westbury Corp. Self-contained portable air compressor
US5290082A (en) * 1992-07-06 1994-03-01 Palmer Harold D Battery operated hand held vacuum handling device
US5624239A (en) * 1994-12-14 1997-04-29 Osika; Thomas W. Portable pneumatic vacuum source apparatus and method
US5795001A (en) * 1996-12-18 1998-08-18 Burke; Stephen H. Vacuum device for handling articles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016027032A1 (fr) 2014-08-20 2016-02-25 LAURENT HERVé Appareil de mise sous vide d'air d'un récipient étanche contenant un produit en vue de prolonger la durée de conservation de ce produit
WO2021081336A1 (fr) * 2019-10-24 2021-04-29 Vacuworx Global, LLC Système de ventouse de levage portable
US12122645B2 (en) 2019-10-24 2024-10-22 Vacuworx Global, LLC Portable vacuum lifter system
JP2024027744A (ja) * 2022-08-18 2024-03-01 日本車輌製造株式会社 建設機械の油圧配管接続方法
EP4512578A1 (fr) 2023-08-24 2025-02-26 Festool GmbH Dispositif de serrage à vide

Also Published As

Publication number Publication date
EP2025941A3 (fr) 2014-09-03
DE102007037334A1 (de) 2009-02-19
EP2025941B1 (fr) 2018-01-24

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