EP0811443A1 - Tête de roulage tangentiel - Google Patents

Tête de roulage tangentiel Download PDF

Info

Publication number: EP0811443A1
Authority: EP; European Patent Office
Prior art keywords: thread; rolling head; roller; rollers; holder
Prior art date: 1996-06-07
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

EP97107896A

Other languages

German (de)

English (en)

Other versions

EP0811443B1 (fr

Inventor

Andreas Dipl.-Ing. Focken

Klaus Oppelt

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.)

Fette GmbH

Original Assignee

Wilhelm Fette 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.)

1996-06-07

Filing date

1997-05-15

Publication date

1997-12-10

1997-05-15 Application filed by Wilhelm Fette GmbH filed Critical Wilhelm Fette GmbH

1997-12-10 Publication of EP0811443A1 publication Critical patent/EP0811443A1/fr

2001-12-12 Application granted granted Critical

2001-12-12 Publication of EP0811443B1 publication Critical patent/EP0811443B1/fr

2017-05-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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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
- 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
- B21H3/04—Making by means of profiled-rolls or die rolls
- B21H3/042—Thread-rolling heads
- B21H3/048—Thread-rolling heads working tangentially

Definitions

the invention relates to a tangential rolling head according to the preamble of claim 1.
Tangential roller heads in which thread rollers are rotatably mounted on two fork-shaped roller head arms for producing a thread, are generally known.
the thread rolling head with the non-driven thread rollers is moved from the side onto the rotating workpiece, so that the rotational movement of the workpiece is transmitted to the thread rollers.
the pitch of the thread to be produced results from the pitch of the thread the thread rolling.
the thread rolls must be in a certain position to each other at the beginning of a thread rolling process and also during thread rolling. Otherwise there is no guarantee that the threads of one thread roller will engage in the threads generated on the workpiece by the other thread roller.
the holes of the thread roller and pinion must be aligned with each other so that the axis can be inserted. This assembly requires some skill and is with one some effort. Since two installable rotational positions are possible for the rotating position of the thread roller, the fitter must ensure that the thread roller is installed in the correct rotational position.
the invention has for its object to provide a tangential thread rolling head, in which the installation of the thread rolls is facilitated and the risk of installation in the wrong rotational position is avoided.
the interacting claws of the thread roller and pinion designed so that the roller can only be inserted laterally in a single defined rotational position.
this is achieved, for example, in that the ends of a pair of opposing claws on the thread roller each lie on the leg of an acute angle, the claws of the pinion being complementary in such a way that the angle formed by them diverges outwards .
Such a design of the thread roller and pinion makes it possible, when the pinion is already installed, for the thread roller to be inserted laterally into the arm of the rolling head only in a single rotational position. Any other position would block the insertion.
the claws are shaped at the ends with an angle so that the axes of the pinion and thread roller coincide when the claws are fully inserted laterally.
the conical design of the ends of the claws of the pinion and thread roller not only ensure the rotational position, but also the end position. After the thread roller has been fully inserted, an alignment of the holes of the thread roller and pinion is guaranteed at the same time, so that the axis can be passed straight through without any problems.
the roller head arms are pivotally mounted on the roller head holder about a common axis.
an adjustment mechanism is provided to adjust the distance between the thread rolling axes according to the diameter of the thread to be formed. From the publications mentioned, for example G 81 26 319, it is known to arrange an adjusting screw in the arm of the two-armed lever of the rolling head arm facing the holder, the mutually facing ends of the adjusting screws being located opposite one another. The thread pitch can be changed by turning the two set screws. Once the change has been finally made, and to measure the distance it is known to insert a gauge between the thread rolls, the distance taken is fixed with the help of another locking screw.
Such an adjustment mechanism has several disadvantages. One is that operation must be carried out from two different sides.
a further embodiment of the invention provides that a single adjusting screw in one roll head arm interacts with a fixed jaw of the other roll head arm to adjust the distance between the thread rolls.
the single screw can be arranged to save space so that the overall length of the thread rolling head can be significantly reduced compared to conventional designs.
a further embodiment of the invention provides that the adjusting screw is arranged approximately at the level of the common axis of the roller head arms, namely obliquely to a central plane which extends between the roller head arms through the common axis of the roller head arms.
the jaw connected to the other roller head arm extends beyond the center plane in the direction of the set screw. A particularly short rolling head is obtained in this way.
an embodiment of the invention provides that measuring points, preferably measuring balls, are arranged on the outside of the rolling head arms for determining the center distance of the thread rolls.
measuring points preferably measuring balls
conventional tangential roller heads there is a separate teaching for each thread used. This increases the effort for the operator.
a single conventional measuring instrument can be used, for example a micrometer screw or the like, in order to precisely determine the center distance of the thread rolls.
a specific setting gauge can be omitted.
an embodiment of the invention provides that at least one roller head arm is designed as a double-armed lever and on the arm assigned to the holder an attachment is provided which interacts with an adjustment mechanism for adjusting the attachment on the holder.
the approach can cooperate with a nut which sits on a threaded spindle and which is guided in a rotationally fixed manner.
the storage of the threaded spindle in the holder leads to a linear adjustment of the nut on the threaded spindle when the threaded spindle rotates and thus to a pivoting of the associated rolling head arm.
the rolling head arms are, as is known per se, biased against one another by at least one spring, the pivoting of the one rolling head arm leads to the other arm also being pivoted. This allows the rolling head to be aligned with the center plane.
the spindle is preferably accessible from both ends, so that the operator can choose the end that is more favorable in each case in order to achieve the center setting.
the adjustment mechanism is mounted symmetrically on the holder.
the rolling head can be installed rotated by 180 ° on the holder without the adjustment mechanism having to be converted.
a scale is attached to an arm of the two-armed lever for the roller head arm, which scale interacts with a marking on the common axis.
a further scale is attached between the holder and a rolling head arm for displaying the center position of the rolling head for the axis spacing of the thread rolls that is set in each case. Every thread size has a certain size on it Scale so that the center can be preset using the scale mentioned.
a clamping body 10 for a thread rolling head 12 which has an L-shaped section 14, on one web of which a clamping pin 16 is attached to the outside.
a rolling head holder 18 is attached in the rectangular recess of the L-shaped section 14. This consists of a plate-shaped part 20 and two fork arms, only one of which can be seen at 22.
the plate-shaped section 20 is attached to the clamping body 10 by means of suitable fastening means sitting on a section of the L-shaped section 14 shown.
the rolling head 12 has two fork-shaped rolling head arms 28, 30 which are designed as two-armed levers and which are rotatably supported by the arms 22 of the holder 18 about a common axis (see further figures in this regard). Threaded rollers 32, 36 are rotatably mounted between the fork arms of the arms 28, 30, specifically on an axis 38 or 40 made of hard metal. As can be seen, the right fork arm in Fig. 1 is wider than the left. This is due to the fact that a gear mechanism is arranged in the wider fork arm, a central gear wheel of the transmission, which couples both thread rollers 32, 36 to one another, is arranged on the common axis. In each case one pinion (not shown) of the transmission sits on the axis 38, 40 and interacts with the thread roller 32, 36 in a rotationally fixed manner.
Fig. 2 shows, for example, the side view of the thread roll 32. It can be seen that two arc-segment-shaped claws 42, 44 are provided on the front side, which are opposite one another on both sides of a continuous bore 46. The arc length of the claws 42, 44 is the same, the claws are displaced relative to one another in the circumferential direction, so that a distance a is formed on one side and a distance b is formed on the other side between the ends of opposite claws 42, 44. The ends are shaped so that they lie on the legs of an angle c.
the claws of the pinions, not shown, on the axles 38, 40 are of complementary shape.
rollers 32, 36 By pushing the rollers 32, 36 in from the side, they can be installed in the arms 28, 30, with only a single rotational position of the thread rollers 32, 36 allowing installation.
a position rotated by 180 ° would result, for example, in that the closer distance a would meet the closer distance of the claws of the pinions. Only with a reverse
the claws can be brought into one another in the rotational position of the rollers.
the claws are designed so that the bores 46 of the rollers 32, 36 are aligned with the bores of the built-in pinion when the ends of the interacting claws are properly seated, so that the axes 38, 40 after the insertion of the rollers 32, 36 without more can be inserted. It is no longer necessary to precisely align the rollers.
Figs. 4 and 5 the tangential rolling head removed from the clamping body 10 can be seen in a side view.
the disks 50, 52 support axles 54, 56 of the gear wheels of the transmission, which mesh with the pinions on the axles 38, 40.
the disk 58 supports the common axis 60 about which the arms 28, 30 can be pivoted on the holder 18.
Figs. 6 and 7 it can also be seen that the arms 28, 30 are not constructed identically, rather the roller head arm 28 is relatively short, while the other roller head arm 30 has a jaw portion 70 which extends to the short portion.
the jaw portion 70 extends beyond the center plane that extends between the rollers 32, 36 through the common axis 60.
an adjusting screw 72 is mounted obliquely to the center plane described in the upper roller head arm 28 in a corresponding threaded bore.
the arms 28, 30 can be pivoted relative to one another about the common axis 60, as from the different positions in FIGS. 6 and 7.
the distance between the rollers which are only indicated by dash-dotted lines in FIGS.
a scale 74 is provided on the lower arm 30, which cooperates with a marking 76 on the plate 58 which is firmly connected to the axis 60 and to the arm 28, so that the marking on the scale 74 indicates the distance between the axes of the rollers 32 , 36 have each other.
this setting is relatively rough.
Fine adjustment is carried out with the aid of measuring balls 78, 80 on the outside of the arms 28, 30, the spacing of which can be measured using a suitable precision measuring instrument.
a spring section 82 is also connected to the jaw section 70 and is inserted into the holding section 20 through a slot 84.
the holding section has a bore 86 which supports a threaded spindle 88.
the threaded spindle is acted upon on one side at 88 and also on the opposite side at 90 by a compression spring.
the threaded spindle 88 has a threaded section 92 on which a nut-like slide 94 is seated, with which the attachment 82 cooperates.
the slide 94 is rotatably guided through the slot 84, so that it turns when the spindle 88 is rotated in FIGS. 6 and 7 moved down and up. With the aid of this adjustment mechanism, the lower arm 30 can be pivoted in the desired manner.
the upper arm 28 is also pivoted at the same time. This makes it possible to achieve a central position of the rolling head after, as shown for example in FIG. 7, the thread rolls 32, 36 have been given a predetermined distance from one another.
the section 20 is covered by a plate 24 on the top, which is fastened with screws 26.
Another plate 96 is located on the underside and is attached in the same way. Both plates 24, 96 have an opening 98, 100 for the passage of a tool for rotating the spindle 88.
the arm 22 of the holder 18 has a scale 102 which interacts with a scale 104 on the disk 58.
the disk 58 moves together with the arm 28, so that the center setting of the rolling head can be adjusted with the aid of the scale 102.
Each scale line of both scales has a specific center distance between the thread rolls. If this is e.g. 36, then the lines marked 36 on both scales 102, 104 must be aligned with one another so that the center adjustment is present.
scales corresponding to scales 74 or 102 and 104 are also provided on the opposite sides of the rolling head.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
A Measuring Device Byusing Mechanical Method (AREA)
Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Moulding By Coating Moulds (AREA)
Lining Or Joining Of Plastics Or The Like (AREA)
Rolling Contact Bearings (AREA)
Valve-Gear Or Valve Arrangements (AREA)

EP97107896A 1996-06-07 1997-05-15 Tête de roulage tangentiel Expired - Lifetime EP0811443B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE29610183U DE29610183U1 (de)	1996-06-07	1996-06-07	Tangentialrollkopf
DE29610183U		1996-06-07

Publications (2)

Publication Number	Publication Date
EP0811443A1 true EP0811443A1 (fr)	1997-12-10
EP0811443B1 EP0811443B1 (fr)	2001-12-12

Family

ID=8025000

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP97107896A Expired - Lifetime EP0811443B1 (fr)	1996-06-07	1997-05-15	Tête de roulage tangentiel

Country Status (4)

Country	Link
US (1)	US5784912A (fr)
EP (1)	EP0811443B1 (fr)
DE (2)	DE29610183U1 (fr)
ES (1)	ES2168541T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102004006125B3 (de) *	2004-02-07	2005-05-25	Fette Gmbh	Tangentialgewinderollkopf
CN105710595A (zh) *	2016-04-11	2016-06-29	华纳圣龙（宁波）有限公司	一种轴的滚花对准装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6721840B1 (en)	2000-08-18	2004-04-13	Triscend Corporation	Method and system for interfacing an integrated circuit to synchronous dynamic memory and static memory
DE20102471U1 (de) *	2001-02-13	2001-04-26	Wilhelm Fette Gmbh, 21493 Schwarzenbek	Gewinderollkopf
DE50104846D1 (de) *	2001-11-07	2005-01-20	Fette Gmbh	Tangential-Rollkopf
US6748779B2 (en)	2002-09-30	2004-06-15	C.J. Winter Machine Technologies, Inc.	Tangential rolling attachment for a machine tool
US9573184B2 (en) *	2013-12-18	2017-02-21	United Technologies Corporation	Deep rolling tool for processing blade root
US9421602B2 (en)	2013-12-18	2016-08-23	United Technologies Corporation	Machine for deep rolling tool positioning
US9573175B2 (en) *	2013-12-18	2017-02-21	United Technologies Corporation	Deep rolling tool for blade fatigue life enhancement
US9566638B2 (en) *	2013-12-18	2017-02-14	United Technologies Corporation	Deep rolling tool with force adjustment
CN105522325B (zh) *	2014-10-21	2018-04-06	河北首鼎金属制品有限公司	用于制造磨球的设备和方法
DE202016100891U1 (de)	2016-02-19	2016-03-15	Lmt Fette Werkzeugtechnik Gmbh & Co. Kg	Gewinderollkopf
ES2693578T3 (es) *	2016-02-19	2018-12-12	Lmt Fette Werkzeugtechnik Gmbh & Co. Kg	Cabezal tangencial para rodar roscas
EP3208011B1 (fr)	2016-02-19	2020-04-01	LMT Fette Werkzeugtechnik GmbH & Co. KG	Tete de roulage tangentielle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2933955A (en) *	1954-01-06	1960-04-26	Sheffield Corp	Thread rolling device
SU487699A1 (ru) *	1972-06-30	1975-10-15	Центральное Проектно-Конструкторское И Технологическое Бюро	Головка дл тангенциального накатывани резьб
SU599900A1 (ru) *	1976-06-11	1978-03-30	Центральное Проектно-Конструкторское И Технологическое Бюро	Тангенциальна резьбонакатна головка
SU1098641A1 (ru) *	1982-12-23	1984-06-23	Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции	Тангенциальна резьбонакатна головка
SU1207598A1 (ru) *	1983-04-08	1986-01-30	Gronskij Karl	Тангенциальна резьбонакатна головка
DE9312116U1 (de) *	1993-07-14	1993-10-14	Gustav Wagner Maschinenfabrik GmbH & Co KG, 72760 Reutlingen	Tangentialrollkopf

Family Cites Families (3)

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DE2335651C3 (de) *	1973-07-13	1980-11-06	Wilhelm Fette Gmbh, 2053 Schwarzenbek	Radialwalzkopf
DE2944999C2 (de) *	1979-11-08	1982-11-25	Wilhelm Fette Gmbh, 2053 Schwarzenbek	Tangentialrollkopf
DE8126319U1 (de) *	1981-09-10	1983-05-19	Wilhelm Fette Gmbh, 2053 Schwarzenbek	Gewinderollkopf

1996
- 1996-06-07 DE DE29610183U patent/DE29610183U1/de not_active Expired - Lifetime
1997
- 1997-05-15 DE DE59705736T patent/DE59705736D1/de not_active Expired - Lifetime
- 1997-05-15 ES ES97107896T patent/ES2168541T3/es not_active Expired - Lifetime
- 1997-05-15 EP EP97107896A patent/EP0811443B1/fr not_active Expired - Lifetime
- 1997-06-06 US US08/870,885 patent/US5784912A/en not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2933955A (en) *	1954-01-06	1960-04-26	Sheffield Corp	Thread rolling device
SU487699A1 (ru) *	1972-06-30	1975-10-15	Центральное Проектно-Конструкторское И Технологическое Бюро	Головка дл тангенциального накатывани резьб
SU599900A1 (ru) *	1976-06-11	1978-03-30	Центральное Проектно-Конструкторское И Технологическое Бюро	Тангенциальна резьбонакатна головка
SU1098641A1 (ru) *	1982-12-23	1984-06-23	Киевский Ордена Ленина Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции	Тангенциальна резьбонакатна головка
SU1207598A1 (ru) *	1983-04-08	1986-01-30	Gronskij Karl	Тангенциальна резьбонакатна головка
DE9312116U1 (de) *	1993-07-14	1993-10-14	Gustav Wagner Maschinenfabrik GmbH & Co KG, 72760 Reutlingen	Tangentialrollkopf

Non-Patent Citations (5)

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Title
DATABASE WPI Section PQ Derwent World Patents Index; Class P52, AN 76-H1098X [25], XP002041997 *
FIRMENSCHRIFT: "WAGNER Seitenrollwerkzeuge Nr. 8-300", September 1979, GUSTAV WAGNER MASCHINENFABRIK, REUTLINGEN, DE, XP002041994 *
SOVIET INVENTIONS ILLUSTRATED Section PQ Week 07, 28 March 1979 Derwent World Patents Index; Class P52, AN B4565B, XP002041996 *
SOVIET INVENTIONS ILLUSTRATED Section PQ Week 8505, 13 March 1985 Derwent World Patents Index; Class P52, AN 85-030182, XP002041998 *
SOVIET INVENTIONS ILLUSTRATED Section PQ Week 8637, 26 September 1986 Derwent World Patents Index; Class P52, AN 86-243912, XP002041995 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102004006125B3 (de) *	2004-02-07	2005-05-25	Fette Gmbh	Tangentialgewinderollkopf
EP1561525A3 (fr) *	2004-02-07	2005-11-09	Fette GmbH	Tête de roulage des filets tangentiels
CN105710595A (zh) *	2016-04-11	2016-06-29	华纳圣龙（宁波）有限公司	一种轴的滚花对准装置

Also Published As

Publication number	Publication date
DE29610183U1 (de)	1997-10-02
ES2168541T3 (es)	2002-06-16
EP0811443B1 (fr)	2001-12-12
US5784912A (en)	1998-07-28
DE59705736D1 (de)	2002-01-24

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Publication	Publication Date	Title
DE102014016630B4 (de)	2018-10-25	Verstelleinrichtung für eine Druckrolle einer Bearbeitungsmaschine, insbesondere Kehlmaschine, sowie Bearbeitsmaschine, insbesondere Kehlmaschine, mit einer solchen Verstelleinrichtung
EP0811443B1 (fr)	2001-12-12	Tête de roulage tangentiel
EP0859730B1 (fr)	2000-03-29	Dispositif de pliage
EP2886223B1 (fr)	2016-07-20	Tête à rouler les filets
DE2720673B2 (de)	1979-09-06	Vorrichtung zum ungleichförmigen Spannen eines Gummituches in einer Offsetdruckmaschine
DD291488A5 (de)	1991-07-04	Doppelrolleneinfuehrarmatur
DE9312116U1 (de)	1993-10-14	Tangentialrollkopf
EP0416167B1 (fr)	1993-12-01	Dispositif d'affûtage d'une hélice
DE3242765A1 (de)	1983-07-07	Planfraeskopf mit einstellbarer planschlichtschneide
DE3026513C2 (de)	1982-08-26	Werkzeug zum Aufbohren und Plansenken
EP1445049A1 (fr)	2004-08-11	Outil de moletage
DE2753284C2 (de)	1982-02-18	Schmitzringanordnung zwischen zwei Druckwerkszylindern
DE3232689C2 (de)	1985-10-24	Vorrichtung zum Schleifen von gerad- und wendelgenuteten Schneidwerkzeugen
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