US20180272409A1 - V-drive and slide element for the same - Google Patents

V-drive and slide element for the same Download PDF

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Publication number
US20180272409A1
US20180272409A1 US15/742,638 US201615742638A US2018272409A1 US 20180272409 A1 US20180272409 A1 US 20180272409A1 US 201615742638 A US201615742638 A US 201615742638A US 2018272409 A1 US2018272409 A1 US 2018272409A1
Authority
US
United States
Prior art keywords
slide element
dovetail
receptacle
sliding surfaces
drive
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.)
Abandoned
Application number
US15/742,638
Inventor
Markus Meyer
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.)
Voestalpine Giesserei Linz GmbH
Voestalpine Camtec GmbH
Original Assignee
Voestalpine Camtec 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 Voestalpine Camtec GmbH filed Critical Voestalpine Camtec GmbH
Assigned to VOESTALPINE CAMTEC GMBH reassignment VOESTALPINE CAMTEC GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MEYER, MARKUS
Publication of US20180272409A1 publication Critical patent/US20180272409A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • B21D19/082—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles
    • B21D19/084—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles with linear cams, e.g. aerial cams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape
    • B21D28/325—Perforating, i.e. punching holes in other articles of special shape using cam or wedge mechanisms, e.g. aerial cams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/42—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using T-, V-, dovetail-section or like guides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/1892—Lever and slide
    • Y10T74/18936—Slidable connections

Definitions

  • the invention relates to a slide element for a wedge drive with a slide element receptacle and a drive element between which the slide element is to be placed;
  • the slide element has a dovetail-shaped side with a dovetail-shaped section with sliding surfaces and is embodied to engage in a correspondingly dovetail-shaped receptacle of the slide element receptacle;
  • the first sliding surfaces on the slide element by means of which forces are transmitted during the working stroke during which the slide element is moved outward between the drive element and the slide element receptacle, are arranged at an angle to each other, in a roof shape relative to each other, and have sliding plates; and these first sliding surfaces on the slide element, by means of which forces are transmitted during the working stroke, are larger than the second sliding surfaces on the slide element, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element
  • the object of the invention is to simplify the design of the slide element in order to facilitate the assembly thereof.
  • the slide element should be able to ensure a high wear resistance and a jam-free linear movement.
  • the invention attains the stated object in that the slide element has a head rail, which is detachably fastened to the slide element and, as part of the dovetail-shaped side of the slide element, forms the second sliding surfaces on the dovetail-shaped section, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element.
  • the slide element has a head rail, which is detachably fastened to the slide element, and, as part of the dovetail-shaped side of the slide element, forms the second sliding surfaces on the dovetail-shaped section, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element, then it is possible to dispense with the symmetrical, L-shape arrangement of sliding plates forming the dovetail shape.
  • the head rail according to the invention can simultaneously provide the second sliding surfaces, which are required to form the dovetail shape on the slide element.
  • the design in the region of the fastening of the head rail to the slide element can be further simplified if the head rail is fastened with its rail foot in an at least form-fitting fashion in an in particular T-shaped groove in the slide element.
  • the slide element according to the invention can be used in a wedge drive with a slide element receptacle and a drive element.
  • sliding surfaces can be advantageously provided between the slide element and the drive element; between the slide element and the slide element receptacle, a dovetail-shape guide device is provided with sliding surfaces on the slide element and sliding surfaces on the slide element receptacle; the dovetail-shaped section of the slide element engages in a correspondingly dovetail-shaped receptacle of the slide element receptacle; and on the sliding surfaces of the guide device on the slide element receptacle, respective sliding plates are arranged symmetrically and embodied in an L shape with the narrow side facing inward, forming the dovetail shape.
  • FIG. 1 shows a sectional view of a wedge drive 1 in the transverse direction
  • FIG. 2 is a three-dimensional view of the wedge drive according to FIG. 1 in a partially cut-away depiction.
  • FIGS. 1 and 2 show a wedge drive 1 with a slide element receptacle 2 , a slide element 3 , and a drive element 5 that is connected to the slide element 3 .
  • the slide element 3 and the slide element receptacle 2 are connected to each other in moving fashion by means of a dovetail-shape guide device 6 .
  • the slide element 3 has a dovetail-shaped section 30 , which is provided with a plurality of sliding surfaces 31 , 32 , 33 , 34 oriented at angles to one another and forming the dovetail shape.
  • the first sliding surfaces 32 , 34 by means of which forces are transmitted during the working stroke during which the slide element 3 is moved outward between the drive element 5 and the slide element receptacle 2 , are arranged at an angle to each other and in a roof shape relative to each other.
  • sliding plates 37 , 39 are also provided and are detachably fastened or connected to the slide element 3 by means of a screw connection that is not shown. It is also conceivable to use other detachable fastening means.
  • the other second sliding surfaces 31 , 33 are embodied to be smaller in area than the two first sliding surfaces 32 and 34 .
  • the reason for this is that the forces on the first sliding surfaces 31 , 33 during the working stroke during which the slide element 3 between the drive element 5 and the slide element receptacle 2 is moved outward are greater than the forces on the second sliding surfaces 32 , 34 , which are transmitted during the return stroke during which the slide element receptacle 2 is moved away from the drive element 5 .
  • a head rail 100 which therefore simultaneously forms part of the dovetail-shaped side 30 of the slide element 3 .
  • This not only reduces the design complexity of the slide element 3 , it also eliminates a significant assembly complexity of the slide element 3 because it is not necessary to symmetrically align any sliding plates or to arrange them in an L shape whose narrow side faces inward, forming a dovetail shape.
  • a head rail 100 provides for a high mechanical load-bearing capacity and thus increases the stability of the slide element 3 .
  • the head rail 100 is detachably fastened to the slide element 3 , during maintenance work, a possibly present guidance play can be compensated for in an easy-to-accomplish way by replacing the head rail 100 .
  • This detachable fastening or connection of the head rail 100 can be seen in the figures in that the head rail 100 engages with its rail foot 101 in form-fitting fashion in a T-shaped groove 103 in the slide element 3 and in that it has also been depicted pulled partway out in FIG. 2 .
  • this groove 103 is embodied in such a way that the head rail 100 can be slid into this groove 103 and pulled out from it again.
  • Locking elements that are not shown in detail, for example locking screws or other detachable fastening means, fix the head rail 100 in position in the groove 103 in the slide element 3 , but have been omitted in FIG. 2 for the sake of clarity.
  • the slide element receptacle 2 has a section 20 that is correspondingly shaped in a diametrically opposite fashion, with detachably fastened sliding plates 26 , 27 , which form sliding surfaces 21 , 22 , 23 , 24 on the slide element receptacle 2 .
  • the sliding plates 26 , 27 are arranged symmetrically and in an L shape with the narrow side facing inward, forming the dovetail shape.
  • sliding surfaces 301 , 302 are provided between the slide element 3 and the drive element 5 .

Abstract

A slide element for a wedge drive, with a slide element receptacle and a drive element between which the slide element is to be placed. In order to achieve a high wear resistance and a simple design, it is proposed for the slide element to have a head rail, which is detachably fastened to the slide element and, as part of the dovetail-shaped side of the slide element, forms the second sliding surfaces on the dovetail-shaped section, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element.

Description

    FIELD OF THE INVENTION
  • The invention relates to a slide element for a wedge drive with a slide element receptacle and a drive element between which the slide element is to be placed; the slide element has a dovetail-shaped side with a dovetail-shaped section with sliding surfaces and is embodied to engage in a correspondingly dovetail-shaped receptacle of the slide element receptacle; the first sliding surfaces on the slide element, by means of which forces are transmitted during the working stroke during which the slide element is moved outward between the drive element and the slide element receptacle, are arranged at an angle to each other, in a roof shape relative to each other, and have sliding plates; and these first sliding surfaces on the slide element, by means of which forces are transmitted during the working stroke, are larger than the second sliding surfaces on the slide element, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element
    • BACKGROUND OF THE INVENTION
  • In order to be able to form a dovetail shape on a slide element, it is known from the prior art (WO2009/039895A1) to provide sliding plates, which are arranged symmetrically and in an L shape whose narrow side faces inward, on the sliding surfaces of the dovetail-shaped section of the slide element. This symmetrical and L-shaped arrangement is comparatively complex in design and also requires a comparatively high assembly complexity on the slide element, in order, in cooperation with the receptacle on the slide element receptacle, to permit the presence of a small amount of guidance play for high wear resistance and jam-free linear movements.
  • The object of the invention, therefore, based on the prior art described at the beginning, is to simplify the design of the slide element in order to facilitate the assembly thereof. In addition, the slide element should be able to ensure a high wear resistance and a jam-free linear movement.
    • SUMMARY OF THE INVENTION
  • The invention attains the stated object in that the slide element has a head rail, which is detachably fastened to the slide element and, as part of the dovetail-shaped side of the slide element, forms the second sliding surfaces on the dovetail-shaped section, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element.
  • If the slide element has a head rail, which is detachably fastened to the slide element, and, as part of the dovetail-shaped side of the slide element, forms the second sliding surfaces on the dovetail-shaped section, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element, then it is possible to dispense with the symmetrical, L-shape arrangement of sliding plates forming the dovetail shape. Specifically, the head rail according to the invention can simultaneously provide the second sliding surfaces, which are required to form the dovetail shape on the slide element. It is thus possible not only to reduce the assembly complexity of the slide element because instead of two sliding plates having to be symmetrically aligned with a guide element, a sufficient alternative can be found, but also, it is thus possible to achieve a simply designed embodiment in order to permit there to be a small amount of guidance play on the dovetail-shaped guide device so as to achieve high wear resistance and enable jam-free linear movements. According to the invention, it is therefore possible, through the use of a head rail, to achieve a slide element with a high degree of stability and good guidance properties. If the head rail is detachably fastened to the slide element, then the slide element can be made accessible for maintenance in a comparatively easy-to-accomplish way.
  • The design in the region of the fastening of the head rail to the slide element can be further simplified if the head rail is fastened with its rail foot in an at least form-fitting fashion in an in particular T-shaped groove in the slide element.
  • Maintenance on the wedge drive can be made even easier if the sliding plates are detachably fastened to the slide element.
  • Preferably, the slide element according to the invention can be used in a wedge drive with a slide element receptacle and a drive element. For this purpose, sliding surfaces can be advantageously provided between the slide element and the drive element; between the slide element and the slide element receptacle, a dovetail-shape guide device is provided with sliding surfaces on the slide element and sliding surfaces on the slide element receptacle; the dovetail-shaped section of the slide element engages in a correspondingly dovetail-shaped receptacle of the slide element receptacle; and on the sliding surfaces of the guide device on the slide element receptacle, respective sliding plates are arranged symmetrically and embodied in an L shape with the narrow side facing inward, forming the dovetail shape.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The subject of the invention is depicted in greater detail by way of example in a cut-away side view of an embodiment variant. In the drawings:
  • FIG. 1 shows a sectional view of a wedge drive 1 in the transverse direction and
  • FIG. 2 is a three-dimensional view of the wedge drive according to FIG. 1 in a partially cut-away depiction.
    •  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • FIGS. 1 and 2 show a wedge drive 1 with a slide element receptacle 2, a slide element 3, and a drive element 5 that is connected to the slide element 3.
  • The slide element 3 and the slide element receptacle 2 are connected to each other in moving fashion by means of a dovetail-shape guide device 6. For this purpose, the slide element 3 has a dovetail-shaped section 30, which is provided with a plurality of sliding surfaces 31, 32, 33, 34 oriented at angles to one another and forming the dovetail shape. Of these sliding surfaces, the first sliding surfaces 32, 34, by means of which forces are transmitted during the working stroke during which the slide element 3 is moved outward between the drive element 5 and the slide element receptacle 2, are arranged at an angle to each other and in a roof shape relative to each other. On these first sliding surfaces 32, 34 of the slide element 3, sliding plates 37, 39 are also provided and are detachably fastened or connected to the slide element 3 by means of a screw connection that is not shown. It is also conceivable to use other detachable fastening means.
  • The other second sliding surfaces 31, 33 are embodied to be smaller in area than the two first sliding surfaces 32 and 34. The reason for this is that the forces on the first sliding surfaces 31, 33 during the working stroke during which the slide element 3 between the drive element 5 and the slide element receptacle 2 is moved outward are greater than the forces on the second sliding surfaces 32, 34, which are transmitted during the return stroke during which the slide element receptacle 2 is moved away from the drive element 5.
  • By contrast with the prior art, according to the invention, no sliding plates are provided on the second sliding surfaces 31, 33; instead, these sliding surfaces are formed by a head rail 100, which therefore simultaneously forms part of the dovetail-shaped side 30 of the slide element 3. This not only reduces the design complexity of the slide element 3, it also eliminates a significant assembly complexity of the slide element 3 because it is not necessary to symmetrically align any sliding plates or to arrange them in an L shape whose narrow side faces inward, forming a dovetail shape. In addition, by contrast with a plurality of discontinuous sliding plates, a head rail 100 provides for a high mechanical load-bearing capacity and thus increases the stability of the slide element 3. Since in addition, the head rail 100 is detachably fastened to the slide element 3, during maintenance work, a possibly present guidance play can be compensated for in an easy-to-accomplish way by replacing the head rail 100. This detachable fastening or connection of the head rail 100 can be seen in the figures in that the head rail 100 engages with its rail foot 101 in form-fitting fashion in a T-shaped groove 103 in the slide element 3 and in that it has also been depicted pulled partway out in FIG. 2. Specifically, this groove 103 is embodied in such a way that the head rail 100 can be slid into this groove 103 and pulled out from it again. Locking elements that are not shown in detail, for example locking screws or other detachable fastening means, fix the head rail 100 in position in the groove 103 in the slide element 3, but have been omitted in FIG. 2 for the sake of clarity.
  • In order to form the dovetail-shaped guide device 6, the slide element receptacle 2 has a section 20 that is correspondingly shaped in a diametrically opposite fashion, with detachably fastened sliding plates 26, 27, which form sliding surfaces 21, 22, 23, 24 on the slide element receptacle 2. The sliding plates 26, 27 are arranged symmetrically and in an L shape with the narrow side facing inward, forming the dovetail shape.
  • In addition, sliding surfaces 301, 302 are provided between the slide element 3 and the drive element 5.

Claims (4)

1. A slide element for a wedge drive with a slide element receptacle and a drive element between which the slide element is to be placed; the slide element comprising:
a dovetail-shaped side, which has a dovetail-shaped section with a plurality of sliding surfaces and is embodied to engage in a correspondingly dovetail-shaped receptacle of the slide element receptacle;
a first plurality of the sliding surfaces on the slide element, by means of which forces are transmitted during a working stroke during which the slide element is moved outward between the drive element and the slide element receptacle, are arranged at an angle to each other, in a roof shape relative to each other, and have sliding plates; and
the first plurality of sliding surfaces on the slide element, by means of which forces are transmitted during the working stroke, are larger than a second plurality of the sliding surfaces on the slide element, by means of which forces are transmitted during the return stroke during which the slide element receptacles is moved away from the drive element,
wherein the slide element has a head rail, which is detachably fastened to the slide element and, as part of the dovetail-shaped side of the slide element, forms the second plurality of sliding surfaces on the dovetail-shaped section, by means of which forces are transmitted during the return stroke during which the slide element receptacle is moved away from the drive element.
2. The slide element according to claim 1, wherein the head rail is fastened with a rail foot in an at least form-fitting fashion in a T-shaped groove in the slide element.
3. The slide element according to claim 1, wherein the sliding plates are detachably fastened to the slide element.
4. A wedge drive with a slide element receptacle, a movable slide element according to claim 1, and a drive element;
wherein sliding surfaces are provided between the slide element and the drive element;
between the slide element and the slide element receptacle, a dovetail-shape guide device is provided with sliding surfaces on the slide element and sliding surfaces on the slide element receptacle;
the dovetail-shaped section of the slide element engages in a correspondingly dovetail-shaped receptacle of the slide element receptacle; and
on the sliding surfaces of the guide device on the slide element receptacle, respective sliding plates are arranged symmetrically and embodied in an L shape with the narrow side facing inward, forming the dovetail shape.
US15/742,638 2015-07-07 2016-07-07 V-drive and slide element for the same Abandoned US20180272409A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15175775.4 2015-07-07
EP15175775 2015-07-07
PCT/EP2016/066193 WO2017005875A1 (en) 2015-07-07 2016-07-07 V-drive and slide element for the same

Publications (1)

Publication Number Publication Date
US20180272409A1 true US20180272409A1 (en) 2018-09-27

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ID=53539560

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/742,638 Abandoned US20180272409A1 (en) 2015-07-07 2016-07-07 V-drive and slide element for the same

Country Status (4)

Country Link
US (1) US20180272409A1 (en)
EP (1) EP3319744A1 (en)
CN (1) CN108290201A (en)
WO (1) WO2017005875A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7431502B2 (en) * 2004-09-15 2008-10-07 Anchor Lamina America, Inc. Universal cam slide
DE102005029140B4 (en) * 2005-06-23 2008-04-03 Elke Weigelt Tool fastening device for a wedge drive
DE102007045703A1 (en) * 2007-09-24 2009-04-09 Harald Weigelt Wedge drive with slide holder
CN201271699Y (en) * 2008-09-11 2009-07-15 盘起工业(大连)有限公司 Hoisting wear resistant wedge mechanism
CN201988626U (en) * 2010-12-28 2011-09-28 盘起工业(大连)有限公司 Hoisting wedge double-spring parallel wedge mechanism
DE102012014546A1 (en) * 2012-07-21 2014-01-23 Strack Norma Gmbh & Co. Kg cotter
CN203170838U (en) * 2013-03-28 2013-09-04 安徽成飞集成瑞鹄汽车模具有限公司 Tapered wedge sliding block
CN204320976U (en) * 2014-11-28 2015-05-13 浙江锐泰悬挂系统科技有限公司 The side blow mechanism of diel

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Publication number Publication date
CN108290201A (en) 2018-07-17
EP3319744A1 (en) 2018-05-16
WO2017005875A1 (en) 2017-01-12

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