WO2009149914A1 - Walzmaschine zum umformen von metallischen und/oder eisenhaltigen werkstücken mit verstellbaren walzen - Google Patents
Walzmaschine zum umformen von metallischen und/oder eisenhaltigen werkstücken mit verstellbaren walzen Download PDFInfo
- Publication number
- WO2009149914A1 WO2009149914A1 PCT/EP2009/004174 EP2009004174W WO2009149914A1 WO 2009149914 A1 WO2009149914 A1 WO 2009149914A1 EP 2009004174 W EP2009004174 W EP 2009004174W WO 2009149914 A1 WO2009149914 A1 WO 2009149914A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spindle
- roller
- bearing
- rolling machine
- machine according
- Prior art date
Links
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
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
-
- 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
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
- B21H1/20—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling rolled longitudinally
Definitions
- the invention relates to a rolling machine for forming metallic and / or iron-containing workpieces.
- Profile transverse rolling machines comprise two rollers rotating in the same direction about mutually parallel axes of rotation with profile tools arranged on the outer circumference.
- the profile tools in particular have a wedge-shaped or triangular-shaped geometry and can increase along their circumference in their axial dimension in one direction and / or run obliquely to the axis of rotation of the rollers.
- These profile cross rolling machines are also referred to as cross wedge rolling and allow a diverse forming of workpieces in high precision or dimensional accuracy.
- the wedge-shaped tools can create circumferential grooves and other tapers in the rotating workpiece.
- the invention is an object of the invention to provide a rolling machine with a novel adjustment for adjusting the roll spacing or the axes of rotation of the rollers to each other.
- a rolling machine according to the invention is suitable for forming, in particular hot forming, of metallic and / or iron-containing workpieces and comprises a) at least two rollers arranged in respective two associated pivot bearings on opposite sides about an associated one
- Rotary axis are rotatably or rotatably mounted and generally have tools, in particular in a nip between the rollers or their tools, a workpiece, deformable b) an adjusting device, preferably for adjusting the distance between the axes of rotation of two rolls, in particular (also) of the nip between the two rolls or their tools, provided is, which adjusting two spindle assemblies with two rotationally coupled or rotatably connected, opposite spindle threads and on each of the spindle thread has an associated spindle nut with a mating thread, wherein a rotation of a or each spindle assembly in a first
- Direction of rotation causes a movement of the two spindle nuts toward each other, and causes rotation of the spindle assembly in a direction opposite to the first direction of rotation second direction of rotation movement of the two spindle nuts away from each other, c) wherein a first of the spindle nuts of a first of the two
- This adjustment with the spindle assemblies allows a reliable and accurate correction and adjustment of the distance between the two axes of rotation of the two rolls and / or the nip between the two rolls or their tools.
- the adjusting device comprises two adjusting drives, wherein a first adjusting drive for adjusting a distance of a first pivot bearing of a first of the rollers to a first pivot bearing of a second the rollers is provided and is connected to the first spindle assembly and a second adjustment for adjusting a distance of a second pivot bearing of the first roller to a second pivot bearing of the second roller is provided and connected to the second spindle assembly, each adjusting the associated spindle assembly in both Turning directions can rotate or reversible in the direction of rotation.
- the adjusting drives or the spindle arrangements are synchronously rotatable and / or controllable or controlled such that the spindle nuts of both spindle arrangements are moved against each other substantially in the same adjustment direction and the same adjustment path, so that the distance of the pivot bearings in the same way is changed by the same amount or the angle, in particular the parallelism, the axes of rotation is maintained to each other.
- each spindle arrangement comprises a connected or continuous spindle body (or spindle rod) preferably extended along an adjustment axis, on which the two counter-rotating spindle threads are formed axially one behind the other and which is preferably axially mounted between the two counter-rotating spindle threads in a thrust bearing and is positioned or secured.
- At least one or both spindle arrangements comprise two spindle bodies (or: spindle rods) preferably elongated along the adjustment axis, one of the two counter-rotating spindle threads being formed on each of the spindle bodies, and the two spindle bodies being rotationally coupled to one another or are rotatably connected or connectable, in particular with a positive connection, for example with a groove and a groove engaging in the projection (eg tongue and groove connection), and / or in particular at their ends facing each other or end faces.
- each rotary bearing of the rollers is arranged on an associated bearing block and, preferably detachably, attached thereto.
- the spindle nut assigned to the rotary bearing is now provided on or in the associated bearing block, preferably on its outer end region or on the end region facing away from the other bearing block.
- the spindle nut may be fastened to the bearing block or may be formed integrally with the associated bearing block.
- One of the spindle threads of the first spindle arrangement or of the spindle body having the spindle thread now extends in particular at least partially within or through the bearing block (es) associated with the first rotary bearing of the first roller and the other spindle thread of the first spindle arrangement or the spindle body having the other spindle thread at least partially within or through the bearing block (es) associated with the first rotary bearing of the second roller.
- stop bodies are provided for limiting the adjustment movements or adjustment paths of the pivot bearings which, in particular, have stop surfaces co-operating with corresponding stop surfaces on the pivot bearings.
- the bearing blocks are now guided axially to the adjustment axis movable by the stopper body or extend accordingly.
- the rolling machine comprises a machine frame and at least two roller bearing units, each of which comprises one of the two rollers, on which preferably at least one tool is provided, and the associated two pivot bearings, wherein the two pivot bearings of each roller bearing unit with the machine frame by means of a detachable connection fertil, in particular screws or screw or hydraulic or pneumatic or electromagnetic connection means are connected, and wherein each roller-bearing unit after releasing the detachable connections between its two pivot bearings and the Maschinenge- stell is removable from the machine frame.
- the rolling machine generally comprises at least one, in particular one, rotary drive for the rollers of the roller bearing units, wherein preferably each roller bearing unit comprises a rotary shaft of the roller and the rotary shaft is connected to the rotary drive via a detachable connection , If each roller is assigned a rotary drive which comprises a drive motor and a clutch and in particular also a transmission arranged between the drive motor and the clutch, the rotary shaft of the roller can be connected in particular to the coupling of the associated rotary drive via a detachable connection, in particular by means of a coupling connection part.
- Each roller-bearing unit is now expediently removable from the machine frame after releasing the detachable connections between its two pivot bearings and the machine frame on the one hand and after releasing the detachable connection between the rotary shaft and the rotary drive or the coupling of the rotary drive on the other.
- the two roller-bearing units are mounted on the upper side of the machine frame and / or horizontally next to one another or with axes of rotation lying substantially in a horizontal plane, which ensures good accessibility.
- the machine frame comprises in one embodiment two mutually parallel side members and three transverse to the longitudinal members cross member.
- a, in the assembled state, in particular between the roller bearing units arranged, workpiece centering device may be provided, which is fastened in particular via two, in particular between two brackets mounted brackets on the first and the second cross member.
- At least one component of the one or more rotary drives is arranged and / or fixed on the third cross member, in particular in each case the or a gear and / or the or a drive motor and / or the or a clutch.
- each roller is associated with a rotary drive which comprises a drive motor and a clutch.
- the adjusting axis of the adjusting device is directed generally perpendicular or almost perpendicular to the axes of rotation of the rollers.
- the adjustment or changed distance of the axes of rotation is preferably compensated or compensated by the coupling, in particular by a Schmidt coupling or Oldham coupling.
- a transmission arranged between the drive motor and the clutch can also be included.
- the rolling machine is in particular a profile cross rolling machine and / or comprises wedge-shaped tools or profile tools on the rollers.
- FIG. 2 shows the rolling machine according to FIG. 1 in a plan view from above
- FIG 3 shows the rolling machine according to FIG 1 with a disassembled
- FIG 4 shows a longitudinal section through the front roller bearing unit and the associated drive components.
- 5 shows a section through the rolling machine in the line VV in FIG 2 with an adjusting spindle for adjusting the roll distance
- the carriers 10, 20, 30, 40 and 50 are formed in the illustrated embodiment in the form of double-T or H-beams made of steel.
- the first roller bearing unit 62 shown in the front comprises a roller 2, which is rotatably mounted about a rotational axis A in a pair of rotary bearings 12 and 22 arranged at its two end sides via a rotary shaft 15 which is connected in a rotationally fixed manner to the roller 2.
- the second roller bearing unit 63 is structurally identical to the roller bearing unit 62 and also comprises a centrally disposed between two pivot bearings 13 and 23 and rotatably mounted in the pivot bearings 13 and 23 about a rotation axis B roller 3.
- rollers 2 and 3 may be integrally formed with the associated rotary shafts 15 or 16 or Drehwellenstümpfen or made of a material or as separate parts rotatably coupled to each other, in particular by a positive connection with each other. 10
- the tools located on the respective rollers are designated 72 in the roller 2 and 73 in the roller 3.
- the pivot bearings 12 and 13 are arranged side by side on the carrier 10 via a respective bearing block 11 and 14.
- the two pivot bearings 22 and 23 are mounted side by side on the next carrier 20 via a respective bearing block 21 and 24 respectively.
- bearing blocks 11, 14, 21 and 24 mounted on the respective carrier 10 and 20 in a direction perpendicular to the axes of rotation A or B displaceable by a certain displacement and the bearings 12 and 13 and
- the pivot bearings 12, 22, 13 and 23 each have rolling bearings, for rotatably supporting the rotary shaft 15.
- the rolling bearings are indicated in FIG 4 at the pivot bearing 22 and designated 64.
- an inner ring of the pivot bearing non-positively or positively, in particular thermally shrunk the axial to the respective roller 2 or 3 out abuts a stop surface in the pivot bearing, so that the roller 2 or 3 is axially fixed between the two mounted pivot bearings 12 and 22 or 13 and 23 is positioned.
- the rotary shaft 15 or 16 of the associated roller 2 or 3 is guided or coupled into an associated clutch 4 or 5, which is part of an associated rotary drive for the roller 2 or 3.
- the roller 2 further comprises a drive motor 8 and a transmission 6, via which the drive motor 8 is rotationally coupled to the clutch 4.
- a rotation of the drive motor 8 thus causes via the torque transmitted parts, namely the gear 6 and the clutch 4 and the rotary shaft 15, a rotation of the roller 2 about the associated axis of rotation A.
- the second roller 3 is analogous to the rotary drive by a Drive motor 9 and an associated gear 7 and the clutch 5 is formed and the rotary drive rotates by rotation of the drive motor 9, the roller 3 about the associated axis of rotation B.
- the rotary shaft 15 is mounted on the coupling 4 via a coupling connection part 32, which is releasably secured by screws 42 to a coupling projection 34 of the coupling 4.
- a rotationally fixed coupling of the rotary shaft 15 with the coupling projection 34 is characterized by a positive connection of a projection formed as a feather and on the rotary shaft 15 in particular releasably secured projection 35 (see FIG 3) in a corresponding, preferably parallel to the axis of rotation
- a coupling connection part 33 is provided, which is also releasably connected via corresponding screws 43 with a not shown coupling projection of the coupling 5, wherein in an analogous manner, the rotary shaft 16 is rotatably fixed to the coupling approach of the coupling 5.
- Each coupling connection part 32 and 33 and the associated coupling projections 34 are in particular formed semi-cylindrical or as cylinder segments and form a closed cylindrical arrangement around the rotary shaft 15 in the connected state.
- the roller bearing unit 62 which here now next to the roller 2 and the two pivot bearings 12 and 22, the rotary shaft 15 includes, complete and as a structural unit of the rest of the rolling machine be loosened and then raised, for example, by means of chains or ropes, which engage in the eyelets 47 and 48, upwards.
- roller bearing unit 62 Such disassembly of the roller bearing unit 62 is expedient for example when changing the roller 2 or its tool (s) 72 or even a whole roller bearing unit and indicated in FIG. Only screw connections have to be tightened or loosened, so that no sensitive or special parts have to be removed and reinserted within bearings.
- roller-bearing unit 62 can again in reverse order by lowering over the eyelets 47 and 48 located down the chains or ropes and screwing and tightening the screws 42, 46 and 41st to be assembled.
- the new roller-bearing unit is then mounted instead of the previous roller-bearing unit 62 accordingly.
- the second, the roller 3, rotating shaft 16 and the two pivot bearings 13 and 23 comprehensive roller bearing unit 63 by loosening the screws 43, 44 and 45 and then lifting the entire roller bearing unit 63 via the eyelets 57 and 58 are disassembled at the pivot bearings 13 and 23 and in the reverse order, for example, after a tool change of the tools 73, are mounted again.
- roller-bearing units 62 and 63 each form structural units that can be disassembled and assembled as a whole. 13
- pivot bearings 12 and 22, and 13 and 23 remain on the respective rotary shaft 15 or 16 and roller 2 or 3 during roll or tool change, standard machine bearings can be used.
- the axes of rotation A and B are arranged parallel to each other in the illustrated embodiment and lie substantially in a horizontal plane.
- the roller-bearing units 62 and 63 are arranged side by side horizontally and also each provided with associated also juxtaposed drives.
- the workpieces are introduced during forging or rolling via a workpiece conveyor 51 in the space between the tools 72 and 73 of the rollers 2 and 3 and there centered by a workpiece centering device 52 ("ruler") during rolling in the forming position or and then ejected downwardly again through a recess in the tool 72 or 73.
- the workpiece centering device 52 is interposed between a holder 53 which is fixed via an intermediate piece on the cross member 10 in the middle between the two bearing blocks 11 and 14 and a second bracket 54 that over 14
- the holder 53 has an opening 55, through which a workpiece can be transported by the workpiece transport device 51.
- roller spacing d between the tools 72 and 73 of the rollers 2 and 3 to adapt to different workpieces or to compensate for wear of the tools adjustable or adjustable or changeable.
- an adjusting device is provided with two spindle arrangements for adjusting the roll spacing d.
- a first spindle arrangement provided for the front two pivot bearings 12 and 13 comprises, as shown in an exemplary embodiment in FIG. 5, a continuous spindle body (spindle rod) 29 extending along one longitudinal axis along an adjustment axis VA, which at one end engages via a coupling 83 an adjusting drive 81 is coupled, which can rotate the spindle body 29 in both directions of rotation about the adjustment axis VA.
- the spindle body 29 passes successively through both bearing blocks 11 and 14 of the two pivot bearings 12 and 13 and has two axially successively arranged opposite or an opposite thread sense having spindle thread 17 and 18, respectively in a corresponding spindle nut 27 or 28 of the associated bearing block 11 or 14 to run.
- the two bearing blocks 11 and 14 move linearly or axially along or parallel to Adjusting axis VA either towards or away from each other.
- the adjusting movement of the bearing blocks 11 and 14 against each other is stop-limited by stop body 37 inside and 38 on a typically relatively small maximum individual displacement dl or d2, for example, up to one centimeter when readjusting due to factory 15
- the stopper members 37 and 38 are for example U-shaped or rectangular and enclose the bearing blocks 11 and 14 formed on the outside, for example as elongated cuboids, which are displaceable relative to or within the stop body (s) 37 and 38 along the adjustment axis VA ,
- the spindle body 29 is axially mounted in an axial bearing 85, for example a skew rolling bearing, and axially secured or positioned.
- a provided for the rear two pivot bearings 22 and 23 second spindle assembly is constructed according to the first spindle assembly with a spindle body 29 corresponding spindle body (spindle rod) 39 and driven by the adjustment 82 via the clutch 84 and the bearing blocks 11 and 14th corresponding bearing blocks 21 and 24 and the stop bodies 37 and 38 corresponding abutment bodies 77 and 78th
- the described adjustment of the bearing blocks 11 and 21 causes a corresponding adjustment of the pivot bearing 12 and 22 thereon and thus the distance between the two axes of rotation A and B of the two rollers 2 and 3, which in turn the roll spacing or the available for the workpiece Nip d between the tools 72 and 73 or between the rollers 2 and 3 changed.
- the adjustment of the bearing blocks 11 and 21 and thus the pivot bearing 12 and 22 thereon relative to each other and adjustment of the bearing blocks 14 and 24 and thus the pivot bearing 13 and 23 located thereon relative to each other are adapted to the desired adjustment range for the roll spacing, wherein the change of Roller distance d is maximum dl + d2.
- the two clutches 4 and 5 are now designed so that they can allow or compensate for this axial offset or lateral displacement of the axes of rotation A and B.
- Examples of such couplings 4 and 5 are so-called Schmidt couplings from Schmidt-Kupplung GmbH, Wolfenbüttel, or Oldham couplings in which eccentric or rotary movements between coupling parts such an axial offset is possible to some extent.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009001413.5T DE112009001413B4 (de) | 2008-06-12 | 2009-06-10 | Walzmaschine zum Umformen von metallischen und/oder eisenhaltigen Werkstücken mit verstellbaren Walzen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008027964A DE102008027964A1 (de) | 2008-06-12 | 2008-06-12 | Walzmaschine zum Umformen von Werkstücken mit verstellbaren Walzen |
DE102008027964.1 | 2008-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009149914A1 true WO2009149914A1 (de) | 2009-12-17 |
Family
ID=41100751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/004174 WO2009149914A1 (de) | 2008-06-12 | 2009-06-10 | Walzmaschine zum umformen von metallischen und/oder eisenhaltigen werkstücken mit verstellbaren walzen |
Country Status (3)
Country | Link |
---|---|
CZ (1) | CZ305510B6 (de) |
DE (2) | DE102008027964A1 (de) |
WO (1) | WO2009149914A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013007906B4 (de) | 2013-05-08 | 2018-07-26 | Josef Streicher | Verfahren und Vorrichtung zum Gewindewalzen mit Walzrollen |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE910406C (de) * | 1941-08-15 | 1954-05-03 | Pee Wee Maschinen Und Appbau I | Verfahren und Vorrichtung zum Zufuehren von mit Aussengewinden zu versehenden runden Werkstuecken an Gewindewalzmaschinen |
DE4301314A1 (de) * | 1993-01-20 | 1994-07-21 | Beche & Grohs Gmbh | Querwalzmaschine |
DE4340313A1 (de) * | 1993-11-26 | 1995-06-01 | Schloemann Siemag Ag | Walzgerüst |
DE19546290A1 (de) * | 1995-12-12 | 1997-06-19 | Zeitzer Maschinen Anlagen Gera | Walzenwechselvorrichtung |
DE10244483A1 (de) * | 2002-09-24 | 2004-04-08 | Bad Düben Profilwalzmaschinen GmbH | Profilwalzmaschine mit Kraftrahmen zum Walzen mit außenverzahnten Rundwalzwerkzeugen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5316791B2 (de) * | 1974-02-18 | 1978-06-03 | ||
DE19752547A1 (de) * | 1997-11-27 | 1999-06-02 | Schloemann Siemag Ag | Ständerloses Walzgerüst |
US6132101A (en) * | 1999-07-28 | 2000-10-17 | Voest Alpine Industries, Inc. | Roll bearing assembly having integral components |
-
2008
- 2008-06-12 DE DE102008027964A patent/DE102008027964A1/de not_active Withdrawn
-
2009
- 2009-06-10 CZ CZ2010-885A patent/CZ305510B6/cs unknown
- 2009-06-10 WO PCT/EP2009/004174 patent/WO2009149914A1/de active Application Filing
- 2009-06-10 DE DE112009001413.5T patent/DE112009001413B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE910406C (de) * | 1941-08-15 | 1954-05-03 | Pee Wee Maschinen Und Appbau I | Verfahren und Vorrichtung zum Zufuehren von mit Aussengewinden zu versehenden runden Werkstuecken an Gewindewalzmaschinen |
DE4301314A1 (de) * | 1993-01-20 | 1994-07-21 | Beche & Grohs Gmbh | Querwalzmaschine |
DE4340313A1 (de) * | 1993-11-26 | 1995-06-01 | Schloemann Siemag Ag | Walzgerüst |
DE19546290A1 (de) * | 1995-12-12 | 1997-06-19 | Zeitzer Maschinen Anlagen Gera | Walzenwechselvorrichtung |
DE10244483A1 (de) * | 2002-09-24 | 2004-04-08 | Bad Düben Profilwalzmaschinen GmbH | Profilwalzmaschine mit Kraftrahmen zum Walzen mit außenverzahnten Rundwalzwerkzeugen |
Also Published As
Publication number | Publication date |
---|---|
DE112009001413A5 (de) | 2011-04-14 |
CZ305510B6 (cs) | 2015-11-04 |
DE102008027964A1 (de) | 2009-12-17 |
DE112009001413B4 (de) | 2016-05-12 |
CZ2010885A3 (cs) | 2011-02-23 |
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