EP1509348B1 - Automatic rolling machine comprising an insertion device - Google Patents
Automatic rolling machine comprising an insertion device Download PDFInfo
- Publication number
- EP1509348B1 EP1509348B1 EP03755129A EP03755129A EP1509348B1 EP 1509348 B1 EP1509348 B1 EP 1509348B1 EP 03755129 A EP03755129 A EP 03755129A EP 03755129 A EP03755129 A EP 03755129A EP 1509348 B1 EP1509348 B1 EP 1509348B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insertion device
- automatic rolling
- rolling machine
- linear motor
- reciprocating member
- 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.)
- Revoked
Links
- 238000003780 insertion Methods 0.000 title claims abstract description 31
- 230000037431 insertion Effects 0.000 title claims abstract description 31
- 238000005096 rolling process Methods 0.000 title claims abstract description 18
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
Images
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
- 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
-
- 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
- B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
- B21H9/02—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass for screw-rolling machines
Definitions
- the present invention relates to an automatic rolling machine.
- Rolling machines can be used to produce screws and generate the thread by cold rolling.
- the blank is placed between two plates, one of which is motionless while the other can perform a reciprocating motion, and the plates roll the blank under pressure.
- the plates have protrusions that are inclined at the angle that corresponds to the pitch of the thread to be formed, they constitute a female thread spread flat, and by pressing the material they force it to assume the shape of the thread.
- GB-882125 which forms the basis for the preamble of claim 1, discloses a thread rolling machine provided with a mechanism for feeding blanks into a gap formed by two rolling dies.
- the aim of the present invention is to provide an insertion device particularly for automatic rolling machines that is more functional and efficient than insertion devices used in conventional machines.
- An object of the invention is to provide an insertion device that ensures the best kinematic and dynamic characteristics.
- a further object of the invention is to provide an insertion device that allows maximum containment of inertias.
- a further object is to provide an insertion device in which the stroke of the mechanism is limited to the strictly necessary extent.
- a further object is to provide an insertion device in which the rule of motion can be optimized easily, particularly as regards the ramps and pauses in the two directions of operation.
- a further object is to provide an insertion device that facilitates the correct insertion of the part and is able to detect anomalies of insertion, such as for example initial slippage and the insertion of a plurality of blanks in the same rolling step.
- Another object is to provide a device that also constitutes an efficient part counter, this being always a very critical function in these kinds of machine.
- Another object is to provide a device that reduces the wear of the movable chaser in the insertion region, adjusting the contact pressure precisely.
- an insertion device particularly for automatic rolling machines, comprising a reciprocating member that is provided with a means adapted to pick up a part to be machined from a guide and to insert it in a working position, characterized in that the reciprocating member is actuated by a linear motor.
- the insertion device according to the invention can be applied to an automatic rolling machine 1, which is essentially constituted by a fixed plate 2 and a movable plate 3, which has a reciprocating motion.
- the device can also be applied to automatic rolling machines of the roller and sector type.
- a blank 4, arriving from a feeder guide 5, is placed by the insertion device 101 between the two plates 2 and 3, which roll it under pressure.
- the plates have protrusions that are inclined at an angle that corresponds to the pitch of the thread, thus constituting a female thread spread flat, and by pressing the material they force it to assume the shape of the thread.
- the insertion device 101 is constituted by a base 6, which is rigidly coupled to the frame of the machine 1 and supports a reciprocating member 8 that is actuated by a linear motor 9.
- the reciprocating member 8 has a transverse guide 10, to which an insertion punch or pusher 11 is applied; its position on the transverse guide can be adjusted and is fixed for example by means of a screw system.
- the linear motor is controlled electronically and the system therefore allows completely automatic adjustment.
- the insertion device according to the present invention is driven by an electronic servosystem with a linear motor and the corresponding drive, differently from the systems of the prior art that have a conventional kinematic chain constituted by cams, belts, spherical joints, levers et cetera, provides several important advantages.
- the device according to the present invention allows maximum containment of inertias and ensures the best kinematic and dynamic characteristics, limiting the stroke of the mechanism to the strictly necessary extent and at the same time facilitating the correct insertion of the part.
- the device also allows to optimize the rule of motion, i.e., the ramps and pauses in the two directions of operation, and minimizes the wear of the movable chaser in the insertion region, adjusting precisely the contact pressure.
- an insertion device for automatic rolling machines having been provided which is functionally and constructively superior to the devices used so far for the insertion of the parts to be machined.
- the insertion device according to the invention is particularly advantageous in a machine that has a modular structure, so as to facilitate its optimum execution on machine tools of any size, at the same time ensuring an excellent level of quality.
- Another important advantage of the device according to the present invention is that it facilitates and simplifies the operations for fine-tuning and adjusting the machine.
- Another advantage of the device is that it allows to control initial slippage and avoid the insertion of a plurality of blanks in the same rolling step.
- Another advantage of the device is that it also constitutes an efficient part counter.
- the structure of the device according to the invention also contributes to strength and precision in construction, which together with an appropriate choice of materials ensure complete stability of the operating conditions.
- the materials used, as well as the dimensions, may of course be any according to requirements and to the state of the art.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Transmission Devices (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Control Of Metal Rolling (AREA)
Abstract
Description
Claims (3)
- An automatic rolling machine comprising an insertion device (101) which comprises a reciprocating member (8) that is provided with a means adapted to pick up a part (4) to be machined from a guide (5) and to insert it in a working position, characterized in that the reciprocating member is actuated by a linear motor (9).
- The automatic rolling machine according to claim 1, characterized in that said linear motor (9) is driven electronically.
- The automatic rolling machine according to claim 1 or 2, characterized in that said reciprocating member (8) and said linear motor (9) are supported by a base (6) that is rigidly coupled to the frame of the machine (1).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20021146 | 2002-05-28 | ||
IT2002MI001146A ITMI20021146A1 (en) | 2002-05-28 | 2002-05-28 | INTRODUCTION DEVICE PARTICULARLY FOR AUTOMATIC ROLLING MACHINES |
PCT/EP2003/005459 WO2003099489A1 (en) | 2002-05-28 | 2003-05-26 | Insertion device particularly for automatic rolling machines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1509348A1 EP1509348A1 (en) | 2005-03-02 |
EP1509348B1 true EP1509348B1 (en) | 2005-10-12 |
Family
ID=11449986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03755129A Revoked EP1509348B1 (en) | 2002-05-28 | 2003-05-26 | Automatic rolling machine comprising an insertion device |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060054631A1 (en) |
EP (1) | EP1509348B1 (en) |
CN (1) | CN1301163C (en) |
AT (1) | ATE306339T1 (en) |
AU (1) | AU2003242571A1 (en) |
DE (1) | DE60301882T2 (en) |
ES (1) | ES2246483T3 (en) |
IT (1) | ITMI20021146A1 (en) |
WO (1) | WO2003099489A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2095892A1 (en) | 2008-02-27 | 2009-09-02 | E. W. Menn Gmbh & Co. Kg | Profile roller machine |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20021573A1 (en) * | 2002-07-17 | 2004-01-19 | Smart Srl | METHOD FOR THE INTRODUCTION OF BLINDS TO BE THREADED IN AUTOMATIC ROTARY ROLLING MACHINES AND MACHINE WORKING WITH SUCH METHOD |
ITMI20060800A1 (en) * | 2006-04-21 | 2007-10-22 | Smart Srl | AUTOMATIC FLAT ROLLER MACHINE |
IT1400572B1 (en) * | 2009-10-15 | 2013-06-14 | Ingramatic Spa | FLAT THREADED MACHINE. |
IT1399346B1 (en) * | 2010-04-12 | 2013-04-16 | Smart Srl | INTRODUCTION DEVICE FOR ROLLING MACHINES. |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3123251A (en) * | 1964-03-03 | Apparatus for feeding shank buttons to an attaching station | ||
GB882125A (en) * | 1958-03-14 | 1961-11-15 | Malmedie & Co Maschf | Improvements in or relating to thread rolling machines |
DE1935451C2 (en) * | 1969-07-12 | 1982-12-30 | E.W. Menn KG, Maschinenfabrik, 5912 Hilchenbach | Device for separating and inserting bolt-shaped blanks on a processing machine |
US4684309A (en) * | 1983-08-29 | 1987-08-04 | Vulcan Tool Company | System and apparatus for use in fabricating small tubular articles |
US5121329A (en) * | 1989-10-30 | 1992-06-09 | Stratasys, Inc. | Apparatus and method for creating three-dimensional objects |
DE4014671C1 (en) * | 1990-05-08 | 1991-08-29 | E.W. Menn Gmbh & Co Maschinenfabrik, 5912 Hilchenbach, De | |
IT1242989B (en) * | 1990-08-29 | 1994-05-23 | Vamatex Spa | PERFECTED DEVICE FOR THE FORMATION OF CIMOSSA IN FRAMES WITHOUT SHUTTLES |
US6346107B1 (en) * | 1990-12-14 | 2002-02-12 | Robert L. Cucin | Power-assisted liposuction instrument with cauterizing cannual assembly |
IT1250082B (en) * | 1991-07-10 | 1995-03-30 | Siv Soc Italiana Vetro | APPARATUS AND PROCEDURE FOR THE MANUFACTURE OF GLASSES WITH A COMPLEX SHAPE SUITABLE FOR USE ON VEHICLES |
JPH10305337A (en) * | 1997-05-06 | 1998-11-17 | Yamada Dobby Co Ltd | Feeding device for press machine |
DE19831060A1 (en) * | 1998-07-13 | 2000-01-20 | Hilti Ag | Setting tool with nail magazine |
DE19858189A1 (en) * | 1998-08-24 | 2000-06-21 | Ophardt Product Gmbh & Co Kg | Mixing tank |
JP2001025834A (en) * | 1999-07-15 | 2001-01-30 | Exedy Corp | Work transporting device for sending work to press device |
JP3341762B2 (en) * | 2000-11-22 | 2002-11-05 | 松下電器産業株式会社 | Die bonding apparatus and die bonding method |
-
2002
- 2002-05-28 IT IT2002MI001146A patent/ITMI20021146A1/en unknown
-
2003
- 2003-05-26 AU AU2003242571A patent/AU2003242571A1/en not_active Abandoned
- 2003-05-26 US US10/514,987 patent/US20060054631A1/en not_active Abandoned
- 2003-05-26 WO PCT/EP2003/005459 patent/WO2003099489A1/en not_active Application Discontinuation
- 2003-05-26 CN CNB038120658A patent/CN1301163C/en not_active Expired - Fee Related
- 2003-05-26 ES ES03755129T patent/ES2246483T3/en not_active Expired - Lifetime
- 2003-05-26 AT AT03755129T patent/ATE306339T1/en not_active IP Right Cessation
- 2003-05-26 EP EP03755129A patent/EP1509348B1/en not_active Revoked
- 2003-05-26 DE DE60301882T patent/DE60301882T2/en not_active Revoked
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2095892A1 (en) | 2008-02-27 | 2009-09-02 | E. W. Menn Gmbh & Co. Kg | Profile roller machine |
Also Published As
Publication number | Publication date |
---|---|
ITMI20021146A0 (en) | 2002-05-28 |
ITMI20021146A1 (en) | 2003-11-28 |
DE60301882T2 (en) | 2006-05-24 |
CN1301163C (en) | 2007-02-21 |
EP1509348A1 (en) | 2005-03-02 |
DE60301882D1 (en) | 2005-11-17 |
ATE306339T1 (en) | 2005-10-15 |
ES2246483T3 (en) | 2006-02-16 |
US20060054631A1 (en) | 2006-03-16 |
AU2003242571A1 (en) | 2003-12-12 |
CN1655892A (en) | 2005-08-17 |
WO2003099489A1 (en) | 2003-12-04 |
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