EP2380678A1 - Dispositif et procédé destinés au positionnement d'un outil dans une machine à laminer des profilés - Google Patents

Dispositif et procédé destinés au positionnement d'un outil dans une machine à laminer des profilés Download PDF

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Publication number
EP2380678A1
EP2380678A1 EP11003422A EP11003422A EP2380678A1 EP 2380678 A1 EP2380678 A1 EP 2380678A1 EP 11003422 A EP11003422 A EP 11003422A EP 11003422 A EP11003422 A EP 11003422A EP 2380678 A1 EP2380678 A1 EP 2380678A1
Authority
EP
European Patent Office
Prior art keywords
piston
tool
pressure
force
receiving space
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
EP11003422A
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German (de)
English (en)
Other versions
EP2380678B1 (fr
Inventor
Eberhard Roth
Ernst Walter Menn
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.)
E W Menn GmbH and Co KG
Original Assignee
E W Menn GmbH and Co KG
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Application filed by E W Menn GmbH and Co KG filed Critical E W Menn GmbH and Co KG
Publication of EP2380678A1 publication Critical patent/EP2380678A1/fr
Application granted granted Critical
Publication of EP2380678B1 publication Critical patent/EP2380678B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other

Definitions

  • the invention relates to a device and a method for hiring a tool in a profile rolling machine.
  • a blank is machined between two tools and the contour, such as a thread, generated on the blank by rolling the blank on the respective profiling bearing surfaces of the tools.
  • This process creates considerable pressure between the tools and the blank. It can happen that the blank gets stuck between the tools and only by the reciprocating motion of the rolling tools within the device can not be freed.
  • the clamping pressure is so great that the machine drive can no longer move a slide with the tool for opening and / or damage the tools in the case of bending occurring here.
  • a large leverage must be applied or the tool or other components are dismantled within the system. This is very time consuming and can lead to damage to the machine.
  • after the disassembly of the tools then re-assembled and adjusted.
  • the object of the invention is to provide an apparatus and a method for hiring a tool in a roll forming machine, which allow a quick and easy opening, as well as a quick repositioning of the rolling tool in its starting position.
  • the profitability and safety of the system should also be improved.
  • a device for adjusting a tool in a profile rolling machine with a base body which is formed with at least one first receiving bore, and at least one adjusting spindle with a tool stop, which is mounted positionally variable in the first receiving bore of the base body.
  • a pull rod is arranged position variable, for hiring the first tool against the tool stop with a tensile force.
  • the first mounting hole is locally expanded to a cylindrical receiving space.
  • a piston is mounted positionally variable in the axial direction.
  • the piston forms with the cylindrical receiving space a piston-cylinder unit.
  • a pressure connection is provided in the base body for introducing a pressure medium into the cylindrical receiving space between the base body and a head-side surface of the piston facing away from the first tool.
  • a vacuum connection is arranged in the base body, for introducing a vacuum into the receiving space between an end face of the piston facing the tool and the base body.
  • a device in a profile rolling machine with which at least the tool can be quickly and easily opened via the position-variable piston, and after removal of the blank from the device, the tool with this piston and the associated adjusting spindle can be repositioned to its original position without elaborate To perform adjustment or calibration or replacement work on the device.
  • the easy opening of the tool with the position-adjustable piston ensures a gentle method for releasing the device without additional lever devices or impact loads that can lead to damage or destruction of the tool or device in the worst case.
  • the economy and safety of the system over the prior art are significantly improved.
  • the constructive alternative of the vacuum connection instead of the pressure connection in the basic body advantageously provides an alternative possibility of applying force to the piston, which can be used, for example, if the pressure medium fails to change the position of the piston.
  • the adjusting spindle is mounted in a position variable in a third receiving bore in the piston in the axial direction of the piston.
  • the adjusting spindle serves as a stop for the first tool and is easily and quickly changed by this arrangement in position.
  • the invention provides that the adjusting spindle and the piston are connected to one another via a thread.
  • the adjusting spindle can be very easily adjusted in this way and adjust or position accurately as a tool stop for the tool in a corresponding stop position.
  • a control unit is arranged for setting the first pressure for the pressure medium or for adjusting the vacuum in the receiving space, depending on the material and on the dimensions of a blank to be rolled.
  • the adjustment force of the tool is easy and accurate with the controller, as well as quickly and flexibly adaptable.
  • the device is adjustable with respect to the necessary Anstell- or contact forces on many different materials such as stainless steels, standard steels, high-strength steels, non-ferrous metals or plastics with different dimensions. Elaborate alterations do not apply, which means that set-up times are significantly reduced.
  • the invention further provides that the control unit for controlling the force means and thus for adjusting the amount of tensile force on the pull rod is formed in dependence on the first pressure or the vacuum in the receiving space.
  • the piston is formed in at its end facing the tool with a first hub approach, which is mounted in the first receiving bore in the base body, and / or the piston on its side facing away from the tool end with a formed second hub approach, which is also stored in a different portion of the first receiving bore in the body.
  • the profile rolling machine is designed as a thread rolling machine.
  • the tool stop is positioned and adjusted by axial displacement of the adjusting spindle within the third receiving bore of the piston.
  • the inventive method provides in a further embodiment of the invention, that the axial adjustment of the adjusting spindle via a thread within the third receiving bore. This method step allows a fine adjustment or fine positioning of the tool stop against the previous pre-positioning of the tool stop by means of the piston.
  • the method provides that with the control unit, the first pressure of the pressure medium or the suction force by the vacuum in the receiving space and the tensile force on the tensioning spindle are each set to a default value, the default values depending on the material and the dimensions of one Deforming blank can be specified appropriately.
  • the profile rolling machine can be formed as a thread rolling machine, and to the blank a thread or profile is rolled.
  • the method further provides that for releasing or opening the tool, the first pressure force of the pressure medium or the vacuum is reduced or reduced to zero, and the tensile force generated by the power means, and acting on the tie rod greater than that by the first pressure generated first pressure force or the suction force on the piston is.
  • the drawbar moves with the tool, and the adjusting spindle with the piston move together in a direction away from the tool.
  • the FIG. 1 describes a device 100 for hiring a tool 21 in a profile rolling machine.
  • a base body 10 is formed with at least one first receiving bore 17.
  • an adjusting spindle 30 is arranged with a tool stop 23, wherein the adjusting spindle 30 is axially displaceably mounted in the first receiving bore 17 of the base body 10 with a second partial length 38.
  • a pull rod 25 is positionally variable is arranged for hiring the tool 21 against the tool stop 23 with a tensile force F2.
  • the tool 21 is supported in this stop position or working position with a first pressure surface 24 against the tool stop 23 of the adjusting spindle 30 from.
  • the pull rod 25 may be arranged in a second receiving bore 28 in the base body 10.
  • the second receiving bore 28 can simultaneously serve to guide the pull rod 25.
  • the drawbar 25 is connected to the tool 21 via a first connecting element 26.
  • the first connecting element 26 may be, for example, as shown in the figure, a sliding block, which is mounted in a guide groove 27.
  • the tool 21 is easy to mount as a removable part of the pull rod 25.
  • the sliding block is simply inserted into the guide groove.
  • a simple screw connection or a bolt connection between the tool 21 and the pull rod 25 can be selected, or the pull rod 25 can be connected directly to the tool 21 by means of a welded connection.
  • the tensile force F2 acting on the drawbar 25 in a direction away from the tool 21 is generated by a force means 50.
  • the power means 50 is preferably connected to the base body 10, but may also be attached to the base frame of the profile rolling machine or for example to a separate mounting frame.
  • the power means 50 is usually formed as a piston-cylinder unit which is operated with air, oil or hydraulic fluid, but may alternatively also be used as a spring element, e.g. be formed in the form of a compression spring or as a rubber element.
  • the pull rod 25 first with a tool carrier 20 as an adapter part between the Connecting rod 25 and the tool 21 to connect, and the tool 21 as a detachable or replaceable attachment to be fastened by means of, for example, a screw connection to the tool carrier 20.
  • the device can be easily adapted to different tasks and loads of the profile rolling process by eg reinforced tool carrier 20 or different tools 21 are used as removable parts in the device.
  • the first receiving bore 17 is locally widened in a region and forms there a cylindrical receiving space 12.
  • a piston 40 is positionally variable in the axial direction.
  • the cylindrical accommodating space 12 and the piston 40 are formed as a piston-cylinder unit.
  • the first receiving bore 17 and the cylindrically enlarged receiving space 12 may be arranged directly in the base body 10, or alternatively as in a partial view of FIG. 1 dargrise, at least partially be arranged in a separate housing 60, which is fastened with a second connecting element 63, for example a dowel, as a removable part of the base body 10. This alternative improves ease of maintenance by allowing quicker replacement of only the interchangeable part.
  • At least a first seal 13 is arranged between the piston 40 and the cylindrical receiving space 12 between the piston 40 and the cylindrical receiving space 12.
  • At least one second seal 14 is arranged between the piston 40 and the adjusting spindle 30, and at least one third seal 15 is arranged between the adjusting spindle 30 and the base body 10 in order to prevent the escape of a pressure medium M or a vacuum introduced into the receiving space 12.
  • the pressure medium M can usually be in the form of air, oil or hydraulic fluid.
  • the pressure medium M is introduced at a first pressure p1 in the cylindrical receiving space 12, for Applying a first pressure force F1 on a facing away from the first tool 21 end face 42 of the piston 40.
  • the axially displaceably mounted in the receiving chamber 12 piston 40 describes at a force application to the first pressure force F1 a stroke L, which is characterized by a stop 11 in the cylindrical Recording room 12 is limited.
  • the stop can be as shown, integrally connected to the main body 10, or be designed as an attachment, for example in the form of a male or screw-in or a locking ring.
  • This design makes it possible to insert insertion or Einschraubhülsen with different lengths as a replacement part in the body 10, and to change the stop for the piston 40, for example by turning the Einsteckhülsen in the receiving bore.
  • the maximum stroke of the piston 40 is limited by the fact that an end face 43 of the piston 40 facing the tool 21 abuts against the stop 11.
  • a vacuum port 47 is arranged in the housing 10, through which a vacuum 48 is generated in the receiving space 12 in a region between the stop 11 and the tool-facing end face 43, and the piston 40 with a suction force F4 is pulled against the stop 11.
  • the adjusting spindle 30 is mounted with a first partial length 37 in a third receiving bore 41 in the piston 40 in the axial direction to the piston 40 position variable.
  • the third receiving bore 41 in the piston 40 is preferably formed as a threaded bore for receiving the first part length 37 of the adjusting spindle 30, wherein the first part length 37 is formed with an external thread corresponding to the threaded bore.
  • a fine thread or a trapezoidal thread is selected for the first part length 37 and the third receiving bore 41 in order to enable a precise adjustment and fine adjustment of the adjusting spindle 30.
  • a control unit 70 is arranged for setting the first pressure p1 or the vacuum 48 in the receiving space 12 and for adjusting the tensile force F2 on the drawbar 25, depending on the material and the outer dimensions of a blank 5 to be rolled in the profile rolling machine.
  • the pressures p1, p2 and p3 or the vacuum 48 and the tensile and / or compressive forces F1, F2, F3 or the suction force F4 for the piston 40 and the pull rod 25 generated therefrom are exactly matched to one another.
  • a detailed description of the procedures is in the FIGS. 5a to 5e represented as a sequence.
  • the FIG. 2 shows the device 100 in a relation to the blank 5 open position after the profile rolling.
  • the tool 21 is arranged with a gap X with respect to a base tool 22, also called die.
  • a base tool 22, also called die In this illustrated setting the blank 5 between the tool 21 and the die 22 is arranged freely movable.
  • the first pressure p1 or the vacuum 48 in the receiving space 12 has moved to zero.
  • the pull rod 25 is moved with a stroke, which corresponds to the gap X, via the force means 50 in a repellent from the tool 21 direction.
  • the tool 21 is employed against the second stop 23 of the adjusting spindle 30.
  • the piston 40 is struck in a direction away from the tool 21 against a third stop 18 of the base body 10.
  • FIG. 3 describes the device 100 as a side view.
  • a sliding member 62 is arranged, for supporting and guiding the tool 21 and / or the tool carrier 20 in the sliding movement during the adjustment of the tool 21 against the blank 5.
  • the sliding member 62 may, so as shown, to act a cylinder or a ball.
  • a sheet-like sliding element 62 in the form of a sliding block is conceivable.
  • FIG. 4 shows an alternative embodiment of the device 100 in a closed against the blank 5 Anstellposition (as well as in FIG. 1 shown).
  • the piston 40 is in the direction of the tool 21 facing the front end with a first hub projection 44 which is mounted and guided in the first receiving bore 17 in the base body 10.
  • the piston 40 furthermore shows on the end face 42, which is remote from the tool 21, a second hub projection 45, which is likewise mounted in the first mounting bore 17 in the base body 10.
  • the hub projections 44, 45 may be advantageous for the hub projections 44, 45 to have different diameters and for the first receiving bore 17 to be adapted thereto.
  • seals 13, 15 are arranged between the piston 40 and the receiving space 12 and between the second hub extension 45 and the first receiving bore 17.
  • the FIG. 5e describes the release or opening of the device 100.
  • the first pressure p1 of the pressure medium M or the vacuum 48 is reduced to a value close to zero.
  • the tensile force F2 generated by the force means 50 acts on the drawbar 25 in a direction repellent from the tool 21, whereby the tool 21 strikes against the tool stop 23 of the adjusting spindle 30 with this tensile force F2, and the tool 21 with the drawbar 25, and the adjusting spindle 30 with the piston 40 together in move the direction away from the tool 21 direction until the piston 40 abuts against the third stop 18 in the receiving space 12.
  • the gap X is now maximum, so that the blank 5 can be removed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Actuator (AREA)
EP20110003422 2010-04-26 2011-04-26 Machine à laminer des profiles et procédé destinés au positionnement d'un outil dans une telle machine à laminer des profilés Active EP2380678B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010018369 2010-04-26
DE102011018678 2011-04-21

Publications (2)

Publication Number Publication Date
EP2380678A1 true EP2380678A1 (fr) 2011-10-26
EP2380678B1 EP2380678B1 (fr) 2012-11-28

Family

ID=44117093

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EP20110003422 Active EP2380678B1 (fr) 2010-04-26 2011-04-26 Machine à laminer des profiles et procédé destinés au positionnement d'un outil dans une telle machine à laminer des profilés

Country Status (3)

Country Link
US (1) US8984922B2 (fr)
EP (1) EP2380678B1 (fr)
ES (1) ES2398936T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103495686A (zh) * 2013-10-24 2014-01-08 太仓市高泰机械有限公司 一种新型螺栓搓丝机
WO2020046486A1 (fr) * 2018-08-27 2020-03-05 Vey Manufacturing Technologies LLC Système de positionnement et de serrage pour roulage de filet
US10722934B2 (en) 2016-08-26 2020-07-28 Vey Manufacturing Technologies LLC Thread rolling assembly
US11351621B2 (en) 2018-08-27 2022-06-07 Vey Manufacturing Technologies LLC Positioning and clamping system for thread rolling

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104815934B (zh) * 2015-04-24 2016-09-14 浙江科佳机械有限公司 适用于搓丝机送料闸刀的导向结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2113667A1 (de) * 1970-04-09 1971-10-21 Nedschroef Octrooi Maats Vorrichtung zum Walzen von Schraubengewinde
JPS63309340A (ja) * 1987-06-11 1988-12-16 Asahi Okuma Ind Co Ltd 平転造盤の異常検知装置
DE3801000A1 (de) * 1988-01-15 1989-07-27 E W Menn Gmbh & Co Maschinenfa Spann- und justiervorrichtung fuer die stationaere werkzeugaufnahme von gewindewalzmaschinen
DE102005013746A1 (de) * 2004-03-24 2005-10-20 Prokos Produktions Kontroll Sy Backenprofilwalze

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4615197A (en) * 1984-10-05 1986-10-07 The National Machinery Company Thread rolling monitoring system
DE3838197A1 (de) * 1988-11-08 1990-05-10 Muhr & Bender Werkzeugmaschine
US5131250A (en) * 1991-02-08 1992-07-21 The National Machinery Company Flat die thread roller
IT1391753B1 (it) * 2008-11-03 2012-01-27 Danieli Off Mecc Apparato e procedimento di comando della movimentazione del contenitore in una pressa per estrusione

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2113667A1 (de) * 1970-04-09 1971-10-21 Nedschroef Octrooi Maats Vorrichtung zum Walzen von Schraubengewinde
JPS63309340A (ja) * 1987-06-11 1988-12-16 Asahi Okuma Ind Co Ltd 平転造盤の異常検知装置
DE3801000A1 (de) * 1988-01-15 1989-07-27 E W Menn Gmbh & Co Maschinenfa Spann- und justiervorrichtung fuer die stationaere werkzeugaufnahme von gewindewalzmaschinen
DE102005013746A1 (de) * 2004-03-24 2005-10-20 Prokos Produktions Kontroll Sy Backenprofilwalze

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103495686A (zh) * 2013-10-24 2014-01-08 太仓市高泰机械有限公司 一种新型螺栓搓丝机
US10722934B2 (en) 2016-08-26 2020-07-28 Vey Manufacturing Technologies LLC Thread rolling assembly
WO2020046486A1 (fr) * 2018-08-27 2020-03-05 Vey Manufacturing Technologies LLC Système de positionnement et de serrage pour roulage de filet
US10710145B2 (en) 2018-08-27 2020-07-14 Vey Manufacturing Technologies LLC Positioning and clamping system for thread rolling
US11351621B2 (en) 2018-08-27 2022-06-07 Vey Manufacturing Technologies LLC Positioning and clamping system for thread rolling
US11638962B2 (en) 2018-08-27 2023-05-02 Vey Manufacturing Technologies LLC Positioning and clamping system for thread rolling
JP7437663B2 (ja) 2018-08-27 2024-02-26 ベイ マニュファクチャリング テクノロジーズ エルエルシー ねじ転造用の位置決めおよびクランプシステム

Also Published As

Publication number Publication date
US20110259069A1 (en) 2011-10-27
US8984922B2 (en) 2015-03-24
EP2380678B1 (fr) 2012-11-28
ES2398936T3 (es) 2013-03-22

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