EP0458428A1 - Appareil avec un dispositif pour enfiler une bande d'étanchéité flexible qui bouche un creux particulièrement pour un vérin à piston sans tige - Google Patents

Appareil avec un dispositif pour enfiler une bande d'étanchéité flexible qui bouche un creux particulièrement pour un vérin à piston sans tige Download PDF

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Publication number
EP0458428A1
EP0458428A1 EP91250122A EP91250122A EP0458428A1 EP 0458428 A1 EP0458428 A1 EP 0458428A1 EP 91250122 A EP91250122 A EP 91250122A EP 91250122 A EP91250122 A EP 91250122A EP 0458428 A1 EP0458428 A1 EP 0458428A1
Authority
EP
European Patent Office
Prior art keywords
threading
serving
recess
bevels
cover band
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.)
Withdrawn
Application number
EP91250122A
Other languages
German (de)
English (en)
Inventor
Helmut Dipl.-Ing. Göttling
Norbert Dipl.-Ing. Fortmann
Rudolf Dipl.-Ing. Möller
H.F. Dipl.-Ing. Meyer
Gerhard Dipl.-Ing. Scharnowski
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0458428A1 publication Critical patent/EP0458428A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/082—Characterised by the construction of the motor unit the motor being of the slotted cylinder type

Definitions

  • the invention relates to a device for threading out and threading an elastic covering band covering a recess, in particular for a rodless cylinder according to the preamble of claim 1.
  • Such a device is known from DE-OS 38 07 786.
  • This known device is provided on a carriage of a working cylinder serving as a part to be driven.
  • the slide is slidably mounted in a guide arranged in the longitudinal direction of the working cylinder formed by a profile tube, and is connected via a driving element to a piston, which is sealingly arranged in the profile tube and serves as the drive part.
  • a part of the slide facing the profile tube and connected to the slide extends into a recess running in the longitudinal direction of the profile tube, to which the slide runs parallel.
  • the recess is covered by a masking tape.
  • the masking tape is held in a holder which consists of undercuts provided in the side walls delimiting the recess.
  • the slide points in the area of the ends of the part connected to the slide or in front of and behind the area in the the part connected to the carriage protrudes into the recess in each case a slope on the sides of the cover tape facing away from one another for threading out or threading in the cover tape, the slopes being oblique to the longitudinal axis of the cover tape, viewed in the direction of the longitudinal axis of the cover tape.
  • the cover band is pressed out of the recess by the bevel serving as the threading device, which is located on the side of the cover band facing the recess. During this process, the projections of the masking tape located in the undercuts are pulled out of the undercuts.
  • the cover band is reintroduced by means of the bevel serving as a threading device, which lies on the side of the cover band facing away from the recess and presses the projections of the cover band into the undercuts in the walls delimiting the recess.
  • the disadvantage of this cylinder is that both when the cover tape is threaded out of the recess and when it is threaded into the recess, relatively large deformation forces on the cover tape and also also Relatively large frictional forces occur between the projections of the masking tape and the walls delimiting the undercuts, as a result of which considerable wear and tear can occur on the projections of the masking tape.
  • the masking tape must be made of a material that has a relatively high elasticity.
  • the invention has for its object to provide a device of the type mentioned, which is designed so that the masking tape can be easily threaded out of the recess and re-threaded while avoiding large frictional or deformation forces.
  • the invention has the particular advantage that, during the threading-out process, only one of the two sides of the masking tape running parallel to one another can be lifted out of one of the two undercuts and then the other side of the masking tape can be removed from the other undercut without any effort, or only one during the threading-in process Insert the side of the masking tape into one undercut without effort and press the second side of the masking tape into the other undercut with light effort.
  • FIG. 1 shows a section of a working cylinder which has a tubular body designed as a profile tube (1), in which a piston (3) serving as a drive element is arranged so as to be displaceably sealed.
  • the piston (3) divides the cylinder into a first working chamber (2) and into a second working chamber (4) opposite the first working chamber (2) on the other side of the piston (3).
  • the profile tube (1) has a guide for a slide (21) running in the direction of its longitudinal axis, which is slidably mounted in the guide in the direction of the longitudinal axis of the profile tube (1).
  • the carriage (21) is connected to the piston (3) by means of a driving element (6) which is designed as a pulling element and which is guided via deflection elements (not shown) arranged on the end faces of the cylinder.
  • the piston (3) and the pulling element (6) form the drive element (3, 6) for the slide (21) in this exemplary embodiment.
  • the tension element (6) runs in the region of the guide in a recess (7) which is arranged in the longitudinal direction of the cylinder in the profile tube (1). That is, the slide (21) is guided parallel to the recess (7).
  • depressions formed by undercuts are provided which are arranged opposite one another and taper towards the bottom.
  • the undercuts serve as a holder for an elastic cover band (8), for example a flat band-like body, which serves to cover the recess (7) receiving the tension element (6).
  • the cover band (8) has bevels on its parallel outer edges, which correspond to the bevels of the undercuts and practically represent the positive shape of these undercuts.
  • the cover band (8) is guided through the carriage (21) in the longitudinal direction.
  • the carriage (21) is connected to a part (5) serving as a drive part, which is also connected to the pulling element (6) and which projects past the cover band (8) into the recess (7).
  • the drive part can also be connected directly to the piston (3) via the slide (21). In such a case, the tension element and deflection elements are unnecessary.
  • the slide (21) is thus practically composed of an outer part (17) having a threading device (11, 12, 13 or 23, 24, 25) for the cover band (8) and a threading device (14, 22, 16) for the cover band (8) having the inner part (16, 5) together.
  • the cover band (8) runs in a slot delimited by the outer part (17) with threading device (11, 12, 13, 23, 24, 25) and the inner part (16, 5) with threading device (14, 22, 16) (15).
  • the threading device (14, 22, 16) is screwed on its side facing away from the cover strip (8) to the part (5) of the inner part (5, 16) by means of screws (18 and 19).
  • an end plate (9 or 26) is provided, which are connected to the outer part (17) by means of screws.
  • Slots (10 and 27) are provided in the two plates (9 and 26) for the passage of the tension element (6) and the cover strip (8).
  • the part (14, 22, 16) of the inner part (5, 16) of the slide (21) serving as the unthreading device has a bevel (14 or 22) at its end regions facing away from each other.
  • Each of the two bevels (14 and 22) tapers, starting from the side (20) of the part (16) of the slide (21) facing the outer part (17), running in the direction of the longitudinal axis of the inner part (16, 5) on their free End area towards the bottom of the recess (7).
  • the outer part (17) of the carriage (21) also has on its side facing the inner part (16, 5) of the carriage (21) at its mutually facing end regions each having a slope (13 or 23) serving as a threading device, wherein each of these two bevels (13 and 23) runs substantially parallel to the opposite bevel (14 and 22) of the part (16) of the inner part (16, 5) of the carriage (21). At the ends of the bevels (13 and 23) of the outer part (17) adjoin horizontally extending surfaces (11 and 25), which are part of the threading device.
  • the part (16) of the inner part (16, 5) also has a horizontal surface (20) on its side facing the horizontally extending region of the outer part (17), to which the bevels (14 and 22) adjoin.
  • the carriage (21) thus has two in the region of the ends of the part (5) connected to the carriage (21) or in front of and behind the area in which the part (5) projects into the recess (7) bevels (14, 22) or (13, 23) on opposite sides of the cover tape (8) for threading out or threading the cover tape (8), these bevels (14, 22) or (13, 23) being inclined run to the longitudinal axis of the masking tape (8) (viewed in the direction of the longitudinal axis of the masking tape (8)).
  • bevels (14, 22) or (13, 23) run obliquely to a transverse axis of the cover band (8) intended in the plane of the cover band (8).
  • the cover band (8) is guided in this slot (15) delimited by said horizontal surfaces (17 or 20) and the bevels (13, 23 or 14, 22), the cover band (8) on the horizontal surface (20) and on the slopes (14 and 22) of the part (16) of the inner part (16, 5) of the carriage (21).
  • the threading device (16, 14, 22) provided on the part (16) of the inner part (16, 5) of the carriage (21) has an additional bevel at its end regions facing away from one another, which is inclined to one in the plane of the cover band ( 8) imaginary longitudinal axis of the masking tape (8).
  • the threading device (12, 13, 23, 24) has an additional bevel at its end regions facing away from one another, which runs obliquely to a longitudinal axis of the cover tape (8) in the plane of the cover tape (8).
  • the threading device (12, 13, 24, 23) is practically designed as a negative form of the threading device (14, 16, 22).
  • FIG. 1 An end face (31) of the working cylinder according to FIG. 1 is shown in FIG.
  • the cylinder housing designed as a profile tube has a dovetail-shaped guide (28, 30), in the recesses of which angled projections (29 or 35) of the slide (21) engage.
  • the guide (28, 30) for the slide (21) has a centrally arranged recess (7) in the direction of the longitudinal axis of the guide (28, 30), in which the tension element (6) runs.
  • the recess (7) is covered by the cover band (8) which is held in a holder.
  • the holder for the cover band (8) consists of two undercuts (32 and 33) which are arranged opposite one another in the walls which laterally delimit the recess (7).
  • the undercuts (32 and 33) taper towards the bottom of the undercuts (32 and 33).
  • the sides of the masking tape (8) which face away from one another and run parallel to one another have essentially the same shape as the undercuts (32 and 33) (but positive shape in contrast to the negative shape of the undercuts).
  • the cover band (8) is guided inside the slide (21) over the part (16) of the inner part (16, 5) of the slide (21) designed as a threading device (see FIG. 1).
  • the reference number (34) denotes the horizontally extending side of the outer part (17) of the slide (21) which is designed as a threading device and faces the cover band (8).
  • FIG. 3 shows a plan view of the guide for the slide (21) of the working cylinder with the inner part (16, 5) of the slide (21) which has the threading device.
  • those in the Figures 1 and 2 shown components same components with the same reference numerals.
  • the inner parts (16, 5) of the slide (21) serving as a threading device for the cover strip are arranged in the recess of the guide of the cylindrical profile tube (1) so as to be displaceable in the direction of the longitudinal axis of the guide.
  • the part (16) is designed as a plate-like body with two side surfaces (35 and 36) running in the longitudinal direction of the recess and parallel to one another.
  • the opposite end faces (37 and 38) of the part (14, 16, 22) run in the plane of the cover band (8) obliquely to the longitudinal axis of the part (14, 16, 22), the end faces (37 and 38) also run essentially parallel to each other.
  • the angle between the first side face (35) and the first end face (37) is preferably equal to the horizontal angle diagonally opposite this between the second side face (36) and the second end face (38) of the part (14, 16, 22) Level (level of the masking tape (8)).
  • the angle between the second side surface (36) and the first end face (37) is preferably equal to the diagonally opposite angle between the first side surface (35) and the second end face (38) of the part (14, 16, 22) in FIG horizontal level (level of the masking tape (8)).
  • the two diagonally opposite first angles are preferably smaller than the two diagonally opposite second angles. Ie, that End regions of the part (14, 16, 22) taper asymmetrically in the horizontal plane.
  • the smaller first angles and the larger second angles do not need to lie diagonally opposite one another, they can also be formed by one of the two long sides (35) or (36) and the opposite end sides (37) and (38).
  • Each of the two end regions of the part (14, 16, 22) have both a slope lying in the horizontal plane and a slope lying in the vertical plane, as can be seen from FIGS. 1 and 3.
  • FIGS. 1 to 3 shows the inner part (14, 16, 22) designed as a threading device and the outer part (11, 12, 13, 17, 23, 24, 25) of the slide (21) designed as a threading device.
  • the components that are the same as the components shown in FIGS. 1 to 3 are provided with the same reference numbers.
  • this part of the slide (21) has at its end regions facing away from one another each extending in the longitudinal direction of the part (14, 16, 22) and extending to the respective end face tapered bevel (14 or 22), the end faces (37 and 38) of these beveled end areas in the horizontal plane obliquely to the longitudinal axis of the part (14, 16, 22).
  • the outer part (11, 12, 13, 17, 23, 24, 25) also has two obliquely to the longitudinal axis of the outer part ( 11, 12, 13, 17, 23, 24, 25) extending edges (39 or 40) which are arranged parallel to the end faces (37 or 38) of the inner part (14, 16, 22).
  • edges (39 and 40) are joined by the surfaces (11 and 25) of the threading device (11, 12, 13, 23, 24, 25) of the outer part (17) which run parallel to the horizontal plane of the recess.
  • one side of the cover band (8) is moved in the longitudinal direction of the threading device (14, 16, 22) seen projecting edge of the end face (37) (the smaller angle-limiting side (35), end face (14) and part of the slope (14) of the one serving as the unthreading device inner part (14, 16, 22) from one undercut (32) in the direction of the slot (15) to be pushed out, as shown in dashed lines in Fig.2.
  • the cover band (8) is practically tipped in the area of the bevel (14) of the threading device (14, 16, 22) about an imaginary longitudinal axis of the cover band (8) in the plane of the cover band (8).
  • the cover band (8) is then removed from the undercut (32) by the entire slope (14) of this end region of the part (14, 16, 20, 22) serving as the threading device.
  • opposite undercut (33) lifted out. There is only a very low sliding friction between this side surface of the masking tape (8) and the surface of the undercut (33).
  • the area of the recess (7) in front of and behind the slide (21) always remains covered by the cover band (8). Only the part of the recess (7) located within the area of the slide (21) is released.
  • the one long side of the cover band (8) is from the side of the area (13) having the bevel (13) of the outer part serving as the threading device, the edge (39) of the front side this part (11, 12, 13, 17, 23, 24, 25) is further away, inserted into the associated undercut (33).
  • the cover band (8) is removed from the entire slope (13) of this end region of the part (11, 12, 13, 17, 23, 24, 25) serving as the threading device this undercut (33) opposite undercut (32) pressed.
  • end regions of the inner part (14, 16, 22) which serve as the unthreading device and which face away from one another are of identical design.
  • end regions of the part (11, 12, 13, 17, 23, 24, 25) facing away from one another and facing the bevels are of identical design.
  • the end faces (37 and 38) of the part (14, 16, 22) serving as the threading device can be formed by a straight edge running obliquely to the longitudinal axis of the threading device (14, 16, 20, 22). However, they can also have a curve shape. Likewise, the edges (39 and 40) of the threading device (11, 12, 13, 23, 24, 25) arranged parallel to these end faces can of course also be inclined to the longitudinal axis of the threading device (11, 12, 13, 17, 23, 24, 25 ) run or have a curve shape.
  • the bevels for threading out the masking tape and the bevels for threading in the masking tape run obliquely to the longitudinal axis of the masking tape in the plane of the masking tape and additionally obliquely to a transverse axis of the masking tape in the plane of the masking tape.
  • the bevels mentioned can of course also have a curvilinear course obliquely to a transverse axis of the masking tape in the plane of the masking tape and / or obliquely to a longitudinal axis of the masking tape in the plane of the masking tape.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sewing Machines And Sewing (AREA)
  • Coating Apparatus (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Actuator (AREA)
EP91250122A 1990-05-23 1991-05-03 Appareil avec un dispositif pour enfiler une bande d'étanchéité flexible qui bouche un creux particulièrement pour un vérin à piston sans tige Withdrawn EP0458428A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4016567A DE4016567A1 (de) 1990-05-23 1990-05-23 Einrichtung zum ausfaedeln und einfaedeln eines eine ausnehmung abdeckenden elastischen abdeckbandes, insbesondere fuer einen kolbenstangenlosen arbeitszylinder
DE4016567 1990-05-23

Publications (1)

Publication Number Publication Date
EP0458428A1 true EP0458428A1 (fr) 1991-11-27

Family

ID=6407009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91250122A Withdrawn EP0458428A1 (fr) 1990-05-23 1991-05-03 Appareil avec un dispositif pour enfiler une bande d'étanchéité flexible qui bouche un creux particulièrement pour un vérin à piston sans tige

Country Status (4)

Country Link
US (1) US5117740A (fr)
EP (1) EP0458428A1 (fr)
JP (1) JPH04231706A (fr)
DE (1) DE4016567A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1253328A3 (fr) * 2001-04-25 2004-02-25 SMC Kabushiki Kaisha Dispositif de guidage d'une bande d'étanchéité

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4428655C1 (de) * 1994-02-23 1995-10-26 Mueller Erwin Gmbh & Co Auslaß, insbesondere Deckenluftauslaß
DE19604997C2 (de) * 1996-02-12 1999-07-15 Duewag Ag Antriebssystem für eine zu bewegende Last

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082829A1 (fr) * 1981-12-22 1983-06-29 AB Mecman Dispositif associé à un cylindre à pression de fluide sans tige de piston
EP0113790A1 (fr) * 1983-01-14 1984-07-25 PROMA Produkt- und Marketing Gesellschaft m.b.H. Cylindre sous pression avec un tube cylindrique fendu longitudinalement et fermé aux extrémités
DE8424035U1 (de) * 1984-08-13 1984-11-22 Herion-Werke Kg, 7012 Fellbach Kolbenstangenloser zylinder
EP0157892A1 (fr) * 1984-04-10 1985-10-16 Reinhard Lipinski Transporteur linéaire
DE3802703A1 (de) * 1987-01-30 1988-08-11 Howa Machinery Ltd Kolbenstangenlose zylinderanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373427A (en) * 1980-01-31 1983-02-15 Tol-O-Matic, Inc. Fluid pressure cylinder
CH660513A5 (de) * 1983-05-17 1987-04-30 Sft Ag Spontanfoerdertechnik Antriebsvorrichtung mit einem einer allgemeine bahnbewegung folgenden kraftuebertragung.
DE3504269A1 (de) * 1985-02-08 1986-08-21 ORIGA GmbH Pneumatik, 7024 Filderstadt Druckmittelzylinder
US4829881A (en) * 1987-03-12 1989-05-16 Ckd Corporation Rod-less cylinder
IT1217812B (it) * 1988-06-08 1990-03-30 Univers S P A Dispositivo di tenuta per cilindri pneumatici senz,asta

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082829A1 (fr) * 1981-12-22 1983-06-29 AB Mecman Dispositif associé à un cylindre à pression de fluide sans tige de piston
EP0113790A1 (fr) * 1983-01-14 1984-07-25 PROMA Produkt- und Marketing Gesellschaft m.b.H. Cylindre sous pression avec un tube cylindrique fendu longitudinalement et fermé aux extrémités
EP0157892A1 (fr) * 1984-04-10 1985-10-16 Reinhard Lipinski Transporteur linéaire
DE8424035U1 (de) * 1984-08-13 1984-11-22 Herion-Werke Kg, 7012 Fellbach Kolbenstangenloser zylinder
DE3802703A1 (de) * 1987-01-30 1988-08-11 Howa Machinery Ltd Kolbenstangenlose zylinderanordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1253328A3 (fr) * 2001-04-25 2004-02-25 SMC Kabushiki Kaisha Dispositif de guidage d'une bande d'étanchéité

Also Published As

Publication number Publication date
US5117740A (en) 1992-06-02
DE4016567A1 (de) 1991-11-28
JPH04231706A (ja) 1992-08-20

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