EP1804982B1 - Kaltwalzmaschine und kaltwalzverfahren - Google Patents

Kaltwalzmaschine und kaltwalzverfahren Download PDF

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Publication number
EP1804982B1
EP1804982B1 EP05795065.1A EP05795065A EP1804982B1 EP 1804982 B1 EP1804982 B1 EP 1804982B1 EP 05795065 A EP05795065 A EP 05795065A EP 1804982 B1 EP1804982 B1 EP 1804982B1
Authority
EP
European Patent Office
Prior art keywords
rolling
accordance
cold rolling
workpiece
rack
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.)
Not-in-force
Application number
EP05795065.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1804982A1 (de
Inventor
Uwe Merath
Holger Pausewang
Jürgen Schmid
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.)
MAG IAS GmbH Eislingen
Original Assignee
MAG IAS GmbH Eislingen
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Publication date
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Publication of EP1804982A1 publication Critical patent/EP1804982A1/de
Application granted granted Critical
Publication of EP1804982B1 publication Critical patent/EP1804982B1/de
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    • 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
    • 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
    • B21H5/00—Making gear wheels, racks, spline shafts or worms
    • B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
    • B21H5/027—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls by rolling using reciprocating flat dies, e.g. racks

Definitions

  • the invention relates to a cold rolling machine according to the preamble of claim 1, comprising a first movable roll bar holder and a second movable roll bar holder, via which a first rolling bar and a second rolling bar of a rolling rod pair are movable in opposite directions in a guiding direction and in a direction transverse to the guiding direction during a rolling operation are adjustable, wherein the first rolling rod and the second rolling rod each have a profiling, which extends with a constant profile over an entire active surface of a side action.
  • the invention further relates to a cold rolling method according to the preamble of claim 19, wherein a first rolling rod and a second rolling rod are moved in opposite directions in a guiding direction, wherein the first rolling rod and the second rolling rod each have a profiling, which is consistent profile over an entire effective area extends an active side and wherein the rolling rods are adjusted during the rolling process in a direction of adjustment transversely to the guide direction.
  • WO 01/94048 A1 is a cold rolling machine with two counter-driven, profiled rolling rods known, the rolling rods are each mounted on a slide on a guide and are in engagement with a rotatably mounted between the rolling rods workpiece;
  • a feed device with at least one feed drive the rolling rods during the rolling process in the direction of engagement are adjustable.
  • the invention has for its object to improve a cold rolling machine of the type mentioned so that there are more applications.
  • This object is achieved in that a workpiece holding device is provided with a plurality of workpiece holders.
  • a workpiece holding device By providing a workpiece holding device according to the invention, a plurality of workpieces, that is to say at least two workpieces, can be processed in one rolling rod stroke. As a result, the processing time per workpiece can be reduced. Furthermore, the relative amount of time for workpiece change can be reduced.
  • the workpiece holders are arranged in parallel in a row. As a result, can be easily act on a plurality of workpieces in a em Walzstangenhub.
  • the workpiece holding device is arranged between the first roll bar holder and the second roll bar holder. This allows workpieces to be machined using counter-rotating rolling rods.
  • a workpiece fixed to a workpiece holder is rotatably held about an axis of rotation.
  • a profiling can be introduced into the workpiece.
  • the axis of rotation coincides with an axis of the workpiece holder.
  • axes of the workpiece holder are aligned in parallel.
  • workpieces to be machined can be arranged in a row simultaneously and it can be the same profiling on all workpieces on the same Walzstangenhübe bring.
  • axes of the workpiece holder are perpendicular to the guide direction. This makes it possible to simultaneously process a plurality of workpieces, that is to act simultaneously with Walzstangenh Weg.
  • axes of the workpiece holder are perpendicular to the direction of adjustment. This ensures that rolling rods are always oriented parallel to each other and are guided. This in turn allows the simultaneous processing ei ner plurality of workpieces.
  • first rolling rod and the second rolling rod are of the same design at least with regard to their active side.
  • a plurality of workpieces can be processed simultaneously; In particular, a plurality of workpieces is acted upon in a rolling rod stroke.
  • the rolling rods have a profiling which extends with a constant profile substantially over the entire effective surface of a side of action.
  • Such racks are in the EP 1 442 808 A2 open-beard, to which express reference is made.
  • rolling rods in the non-prepublished German patent application no. 10 2004 035 153.8 of July 15, 2004.
  • a profile depth of a rolling rod along the active surface is substantially the same.
  • the rolling rods can be guided in parallel in a rolling process.
  • the required tread depth on a workpiece can be achieved by delivery in the direction of adjustment. This in turn allows the simultaneous processing of a plurality of workpieces n in the same Walzstangenh.
  • a plurality of substantially identically formed teeth are arranged on the active surface for forming the profiling.
  • An e wrapping surface of the teeth is then a plane. This makes it possible to guide the rolling rods parallel with respect to their enveloping surface. This in turn allows a plurality of workpieces to be processed simultaneously.
  • the action sides of the first rolling rod and the second rolling rod are aligned in parallel so as to be able to machine a plurality of workpieces in a same Walzstangenhub similar.
  • the effective sides are aligned parallel to the guide direction.
  • the rolling rods acts in the same way on all clamped workpieces of the plurality of workpieces.
  • axes of the workpiece holder are aligned parallel to the effective sides of the rolling rods, so as to allow simultaneous processing of all workpieces.
  • axes of the workpiece holder lie in a plane which is parallel to the effective sides of the rolling rod.
  • the axes of the workpiece holder are defined in particular by the connection points of holding tips of the workpiece holder.
  • a workpiece holder is formed so that a workpiece between a first contact element and a second contact element is clamped.
  • the contact elements are formed in particular by means of tips or have tips.
  • a single workpiece holder of the workpiece holding device comprises, for example, a spindle stock part and a tailstock part, wherein a workpiece can be clamped between the spindle stock part and the tailstock part.
  • the invention is also based on the object to improve the aforementioned cold rolling process so that an effective workpiece machining is possible.
  • the cold rolling process according to the invention has the advantages already explained in connection with the cold rolling machine according to the invention. Further advantageous embodiments have also already been explained in connection with the cold rolling machine according to the invention.
  • the workpieces are arranged in a row in parallel.
  • the workpieces are the same design, that is, the workpiece blank is the same and the processing result should be the same for all workpieces.
  • the cold rolling process according to the invention then at least two workpieces can be processed simultaneously, that is, in a Walzstangenhub can be the same operative engagement of the tool to realize a plurality of workpieces.
  • An embodiment of a cold rolling machine according to the invention which in FIG. 1 shown there and designated as a whole by 10, comprises a machine base frame 12, via which the cold rolling machine 10 is set up on a substrate. With the machine base frame 12, a C-shaped frame 14 is connected.
  • This frame 14 has a first holding region 16 and an opposite second holding region 18.
  • the two holding regions 16 and 18 are connected to one another via a connecting region 20.
  • the first holding region 16 protrudes beyond the connection region 20 in a transverse direction z.
  • the second holding portion 18 protrudes beyond the connecting portion 20 in the transverse direction z.
  • the first holding region 16 and the second holding region 18 thereby each form holding jaws, on each of which a first rolling rod holder 22 (on the first holding region 16) and a second rolling rod holder 24 (on the second holding region 18) are movably held.
  • the two roll bar holders 22, 24 are opposite each other.
  • One or more rolling rods 26a, 26b or 28a, 28b (movable) can be held on each of these.
  • a workpiece holding device is arranged with a plurality of workpiece holders, which are fixed on the connecting region 20 at least on one side (not shown in the drawing).
  • a workpiece can be inserted into the tool holder, wherein it is held rotatably on the cold rolling machine 10 by the workpiece holder, so that a cold rolling process is feasible.
  • the workpiece holding device will be described in more detail below.
  • the connecting region 20 opposite a reinforcing tab 30 is disposed between the first holding portion 16 and the second holding portion 18. In the area of the workpiece holder, this has a continuous opening 32 through which, in particular, tailstock parts of the workpiece holder can dip.
  • the roll bar holders 22 and 24 are each movable in a longitudinal direction x and in the transverse direction y relative to the longitudinal direction x.
  • first holding region 16 and the second holding region 18 each have an inclined guideway 34 or 36, on which a first wedge slide 38 or a second wedge slide 40 is guided.
  • the guideway 34 is inclined with respect to the direction x by an acute angle.
  • the guide track 36 of the second holding area 18 is parallel to the guide track 34 of the first holding area 16.
  • the distance of the roll bar holder 22, 24 set in the direction y.
  • recesses 42, 44 are formed in the holding areas 16 and 18, in which guide rails 46, 48 of the respective wedge slides 38, 40 are immersed.
  • rolling rods 26a, 26b and 28a, 28b can be aligned with a workpiece in the direction y.
  • the rolling rods 26a, 26b and 28a, 28b can be adjusted during a rolling process in the radial direction with respect to the workpiece.
  • a first tool slide 50 is guided linearly displaceable in the direction x. Furthermore, a second tool slide 52 is guided linearly displaceably in the direction x on the second wedge slide 40, wherein the guide directions of the two tool slides 50, 52 are aligned in parallel.
  • the rolling rods 26a, 26b and 28a, 28b sit directly ( FIG. 2 ), ie are immovably fixed to these.
  • the wedge slides 38, 40 have guideways 54, 56 facing each other. On each of these sit the tool slides 50, 52, wherein their movement is driven in the x direction.
  • the corresponding drives are not shown in the drawing. It is in this context on the WO 01/94048 A1 respectively. US 2004/0007034 A1 Referenced.
  • the spaced apart in the y-direction tool slides 50 and 52 are driven in opposite directions; upon movement of the tool carriage 50 in the + x direction, the other tool carriage 52 moves in the -x direction and vice versa.
  • the rolling rods 26a, 26b, 28a, 28b can be moved in the x-direction and y-direction.
  • the movement in the y-direction can be carried out in particular during a machining operation.
  • the tool carriages 50 and 52 are driven driven on their respective guideways 54, 56.
  • the wedge slides 38, 40 are driven driven on their respective guideways 34, 36.
  • a tool carriage 50, 52 may hold a rolling rod or a plurality of rolling rods. If a plurality of rolling rods are held, then different profile machining operations can be performed successively on a workpiece. In particular, different types of profiles can be introduced with appropriate rolling rod training, without an external tool change must be performed.
  • the tool carriage 52 (and corresponding to the tool carriage 50) has a fixing device for one or more rolling rods.
  • the rolling rod or rolling rods in an x-position, y-position and z-position on the tool carriage 52 are firmly positioned.
  • a plurality of rolling rods in the x-direction behind the positionable are firmly positioned.
  • a transverse offset in the z-direction is possible or a height offset in the y-direction is possible. This results in extensive possibilities for the production of profiles on a workpiece.
  • the cold rolling machine 10 has a control device 60 (in FIG FIG. 1 shown schematically).
  • This control device 60 is, for example, in arranged a control box.
  • the cold rolling machine 10 can be controlled.
  • the movement of the roll bar holders 22 and 24 in the direction x and the delivery in the direction y can be controlled.
  • the position of the tool slides 50 and 52 can be controlled with respect to the selection of the rolling rods (26a and 28b or 26b and 28a).
  • An embodiment of a workpiece holding device according to the invention which in FIG. 2 shown there and designated as a whole by 62, comprises a plurality of workpiece holders 64, that is, there are at least two workpiece holders 64 are provided.
  • a first workpiece holder 66a, a second workpiece holder 66b, and a third workpiece holder 66c are provided.
  • a workpiece holder 64 in each case comprises a first abutment element 68 and a second abutment element 70 with respective abutment tips 72, 74, between which a workpiece 76 can be clamped.
  • a clamped workpiece is rotatable about an axis 78 of the corresponding workpiece holder 64.
  • the axis 78 of the corresponding workpiece holder 64 lies between the tips 72 and 74.
  • the axis of rotation of a workpiece 76, which is clamped in the corresponding workpiece holder 64 coincides with this axis 78.
  • a workpiece holder 64 has, for example, a stationary spindle stock part 80 on which the first contact element 68 is arranged or formed. Furthermore, a workpiece holder 64 has a tailstock part 82, on which the second abutment element 70 is formed or arranged. The tailstock part 82 is a direction 84, which is aligned in particular parallel to the axis 78, movable. About the tailstock part 82 can be a workpiece 76 in the associated workpiece holder 64 brace.
  • the headstock portions 80 of the workpiece holding device 62 are fixed to the connecting portion 20.
  • the individual workpiece holder 66a, 66b, 66c can be moved separately in se.
  • the workpiece holding device 62 has a tailstock device 86 which is arranged on a guide 88.
  • the tailstock device 86 can be moved as a whole in the direction 84.
  • the individual tailstock parts 82 of the workpiece holders 66a, 66b and 66c are held or formed.
  • the workpiece holders 66a, 66b, 66c are arranged aligned with respect to their axes 78 on the workpiece holding device 62.
  • the axes 78 lie in one plane.
  • the axes 78 of the workpiece holders 66a, 66b, 66c have the same height spacing, that is, there is no height offset.
  • a plane which is spanned by the respective axes 78 of the workpiece holders 66a, 66b, 66c is parallel to the guide direction x.
  • the workpiece holders 66a, 66b, 66c of the workpiece holder 62 are arranged in a row in parallel. This allows a plurality of identical workpieces, namely corresponding workpieces 76, which in the respective workpiece holder 66a, 66b, 66c are clamped, edit by cold rolling equal, that is, it can be the same profiling on all workpieces 76 produce over the same Walzstangenhübe.
  • the rolling rods 26a, 28b and 26b, 28a of a rolling rod pair are formed so that their action sides 90, 92 (FIG. FIG. 3 ) are aligned in parallel.
  • the whale rods of a rolling rod pair have a profiling which extends with a constant profile over substantially the entire active surface of a knitting surface 90, 92.
  • a tread depth is formed substantially the same along the effective surface.
  • a plurality of substantially identically formed teeth are arranged on the active surface.
  • the envelope surface of these teeth is a flat surface, wherein the enveloping surfaces of the rolling rods of a rolling rod pair are parallel and parallel to the guiding direction x.
  • displacement direction y is substantially perpendicular to these enveloping surfaces.
  • a plurality of workpieces 76 are clamped in the workpiece holding device 62.
  • the workpieces 76 are formed substantially the same.
  • the workpieces 76 are then positioned in the workpiece holder 62 in a row aligned in parallel.
  • rolling rods of a pair of rolling rods (for example, the rolling rods 26a and 28b) then takes a tool-operative engagement on the workpieces n 76.
  • the rolling rods are moved in the guide direction x in opposite directions and in operative engagement with the workpieces 76 standing to work on the workpieces 76 itself to introduce a profiling.
  • the effective sides 90, 92 of the rolling rods are aligned in parallel.
  • the rolling rods 26a, 28b can be formed with constant profile over the active surface and parallel with respect to their effective sides 90, 92. This allows the machining of a plurality of workpieces in the same Walzstangenh.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Machine Tool Units (AREA)
EP05795065.1A 2004-10-28 2005-10-22 Kaltwalzmaschine und kaltwalzverfahren Not-in-force EP1804982B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410053501 DE102004053501B3 (de) 2004-10-28 2004-10-28 Kaltwalzmaschine und Kaltwalzverfahren
PCT/EP2005/011377 WO2006045566A1 (de) 2004-10-28 2005-10-22 Kaltwalzmaschine und kaltwalzverfahren

Publications (2)

Publication Number Publication Date
EP1804982A1 EP1804982A1 (de) 2007-07-11
EP1804982B1 true EP1804982B1 (de) 2013-12-11

Family

ID=35432744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05795065.1A Not-in-force EP1804982B1 (de) 2004-10-28 2005-10-22 Kaltwalzmaschine und kaltwalzverfahren

Country Status (4)

Country Link
EP (1) EP1804982B1 (es)
DE (1) DE102004053501B3 (es)
ES (1) ES2443998T3 (es)
WO (1) WO2006045566A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007044283A1 (de) 2007-09-07 2009-03-12 Ex-Cell-O Gmbh Werkzeugmaschine zur Herstellung von Verzahnungen an Werkstücken und Verfahren zur Herstellung einer Verzahnung an einem Werkstück mittels einer Werkzeugmaschine
DE102008045728C5 (de) * 2008-09-04 2019-10-24 Mag Ias Gmbh Walzstange
CN104117612B (zh) * 2014-07-22 2016-04-06 浙江科佳机械有限公司 搓丝机输送导轨位置调节装置
CN109108192A (zh) * 2018-07-30 2019-01-01 安徽六方重联机械股份有限公司 一种高强度螺栓加工用夹持装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208280B (de) * 1963-06-18 1966-01-05 Hubert Schaaf Walzmaschine fuer profilierte zylindrische Werkstuecke
US4574605A (en) * 1984-08-29 1986-03-11 Ex-Cell-O Corporation Forming machine with multiple work stations
JPS63140737A (ja) * 1986-12-01 1988-06-13 Nachi Fujikoshi Corp 歯車状物の転造方法
SU1581445A1 (ru) * 1987-11-12 1990-07-30 Предприятие П/Я Г-4046 Устройство дл восстановлени профил зубьев
DE10028165A1 (de) * 2000-06-09 2001-12-13 Ex Cell O Gmbh Kaltwalzmaschine
JP2004074163A (ja) * 2002-08-09 2004-03-11 Aisan Ind Co Ltd 歯車転造装置及び歯車転造方法
WO2004022259A1 (de) * 2002-08-17 2004-03-18 H. B. Seissenschmidt Ag Verfahren zur umformtechnischen herstellung von zahnprofilen auf der oder den umfangsflächen von zahnradrohlingen
DE102004035153A1 (de) * 2004-07-15 2006-02-09 Ex-Cell-O Gmbh Walzstange, Kaltwalzmaschine und Kaltwalzverfahren

Also Published As

Publication number Publication date
WO2006045566A1 (de) 2006-05-04
DE102004053501B3 (de) 2006-06-01
EP1804982A1 (de) 2007-07-11
ES2443998T3 (es) 2014-02-21

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