EP0811443B1 - Tête de roulage tangentiel - Google Patents

Tête de roulage tangentiel Download PDF

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Publication number
EP0811443B1
EP0811443B1 EP97107896A EP97107896A EP0811443B1 EP 0811443 B1 EP0811443 B1 EP 0811443B1 EP 97107896 A EP97107896 A EP 97107896A EP 97107896 A EP97107896 A EP 97107896A EP 0811443 B1 EP0811443 B1 EP 0811443B1
Authority
EP
European Patent Office
Prior art keywords
thread
rolling head
claws
rollers
head according
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.)
Expired - Lifetime
Application number
EP97107896A
Other languages
German (de)
English (en)
Other versions
EP0811443A1 (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.)
Filing date
Publication date
Application filed by Wilhelm Fette GmbH filed Critical Wilhelm Fette GmbH
Publication of EP0811443A1 publication Critical patent/EP0811443A1/fr
Application granted granted Critical
Publication of EP0811443B1 publication Critical patent/EP0811443B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21H3/04—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 thread rolling head according to the preamble of claim 1.
  • Tangential thread rolling heads where thread rolling on two fork-shaped roller head arms are rotatably mounted for Production of a thread are generally known, for example from "WAGNER side rolling tools No. 8-300".
  • WAGNER side rolling tools No. 8-300 In the preparation of of a thread by cold working the thread rolling head with the non-driven thread rolls driven from the side onto the rotating workpiece, so that the rotational movement of the workpiece on the thread rolls is transmitted.
  • the slope of the to be manufactured Thread results from the pitch of the thread the thread rolling.
  • the thread rolls need to start a thread rolling process and also during thread rolling stand in a certain position to each other. Otherwise is not guaranteed that the threads of one Thread roll into that of the other thread roll on the workpiece intervene generated threads.
  • the invention has for its object a tangential thread rolling head to create, in which the installation of the Thread rolling facilitates and the risk of installation in an incorrect rotational position is avoided.
  • the interacting claws of thread roll and pinion trained so that the role defined only in one Rotational position can be inserted laterally.
  • This is realized in that the ends of a pair face each other opposite claws on the thread roll each lie on the leg of an acute angle, whereby the claws of the pinion are complementary, that the angle formed by these diverges outwards.
  • 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 pinion and Thread roll not only ensure the rotational position, but also also the end position. After plugging in completely the thread roll is therefore also an alignment ensures that the thread roll and pinion are drilled, so that the axis immediately passed through without any problems can be.
  • the roller head arms can be swiveled around a common axis stored on the roll head holder.
  • DE-U-8 126 319 is known in which the Bracket facing arm of the two-armed lever of the rolling head arm to arrange a set screw, the mutually facing ends of the set screws against each other lie. By turning the two setscrews the thread rolling distance change. Is the change finally set, measuring the distance is known to insert a gauge between the thread rolls, is done with the help of another locking screw fixing the distance taken.
  • Such one Adjustment mechanism has some disadvantages. One exists in that an actuation from two different sides must be made.
  • a further embodiment of the invention therefore provides that having a single adjustment screw in a roller head arm a fixed jaw of the other roller head arm cooperates for adjusting the distance between the thread rolls.
  • the only Space-saving screw can be arranged so that the total length of the thread rolling head compared to conventional Constructions can be significantly reduced.
  • the adjusting screw at about the level of common axis of the roller head arms is arranged, and at an angle to a central plane that is between the Rolling head arms through the common axis of the rolling head arms extends.
  • the one connected to the other roller head arm Cheek extends in the direction beyond the center plane the set screw. This way one becomes special received short rolling head.
  • the exact setting of the center distance requires of the thread rolls a precise measurement.
  • An embodiment of the invention is related before that on the outside of the roller head arms measuring points, preferably measuring balls are arranged to determine the Center distance of the thread rolls.
  • measuring points preferably measuring balls are arranged to determine the Center distance of the thread rolls.
  • conventional tangential roller heads becomes a separate teaching for each thread used. This increases the effort for the operator.
  • the solution according to the invention enables a single conventional one Measuring instrument can be used, for example a micrometer screw or the like to the center distance to determine the thread rolls precisely.
  • a specific one Setting gauge can be omitted.
  • the storage of the threaded spindle in the holder leads to a rotation of the threaded spindle to a linear adjustment the nut on the threaded spindle and thus into one Swiveling the assigned roller head arm. Because the roller head arms, as known per se, via at least one spring are biased against each other, the pivoting leads one roller head arm to pivot the other Arms. This allows the rolling head with respect to the center plane be aligned.
  • the spindle is after one a further embodiment of the invention preferably of both Ends accessible so that the operator each can choose the cheaper end to the center setting to accomplish.
  • the adjustment mechanism is symmetrical on the holder is appropriate. This allows the roll head on the holder Can be installed rotated by 180 ° without the adjustment mechanism must be rebuilt.
  • a scale with a mark cooperates on the common axis.
  • a scale can be the center distance of the thread rolls can be set roughly.
  • Fig. 1 is a clamping body 10 for a thread rolling head 12, which shows an L-shaped section 14 has, on one web on the outside a clamping pin 16 is attached.
  • a rolling head holder 18 In the rectangular recess the L-shaped portion 14 is a rolling head holder 18 attached.
  • This consists of a plate-shaped Part 20 and two fork arms, only one at 22 too is recognizable.
  • the plate-shaped section 20 is with Using suitable fasteners on a shown Heel of the L-shaped section 14 seated on the clamping body 10 attached.
  • the rolling head 12 has two fork-shaped rolling head arms 28, 30, which are designed as two-armed levers and from the arms 22 of the holder 18 about a common axis are rotatably mounted (see further figures). Between the fork arms of the arms 28, 30 are thread rolls 32, 36 rotatably mounted, namely on an axis 38 or 40 made of hard metal. As can be seen, the one on the right in FIG. 1 is Fork arm wider than the left. This is due to the fact that in a gear mechanism is arranged on the wider fork arm, being a middle gear of the gearbox that both thread rolls 32, 36 couples together on the common Axis is arranged. One pinion each (not shown) the transmission sits on the axis 38, 40 and acts rotatably together with the thread roller 32, 36.
  • Fig. 2 shows the side view of the thread roll 32. It can be seen that two arcuate segments on the end face Claws 42, 44 are provided on both Sides of a through bore 46 face each other.
  • the arc length of the claws 42, 44 is indeed the same, the claws are relative to each other in the circumferential direction moved so that there is a distance on one side a and on the other side a distance b between the ends of opposite claws 42, 44 forms.
  • the Ends are shaped so that they rest on the legs of a Angle c are.
  • the claws of the sprockets, not shown on the axes 38, 40 are complementarily shaped.
  • Figs. 4 and 5 is the one removed from the clamping body 10 Tangential rolling head can be seen in side view.
  • the Disks 50, 52 support axles 54, 56 of the gear wheels Gearboxes that mesh with the pinions on axes 38, 40.
  • the disk 58 supports the common axis 60 around the the arms 28, 30 are pivotable on the holder 18. Moreover there is either a single large gear behind it or an arrangement of three gears, the middle sits on axis 60. In this case, a Engagement with the gears on the axles 54, 56 instead, so that the rotation of the thread rolls 32, 36 is coupled.
  • Figs. 6 and 7 it can also be seen that the arms 28, 30 are not constructed in the same way, rather the roller head arm 28 relatively short, while the other roller head arm 30 an extending to the short section Has jaw section 70.
  • the jaw portion 70 extends the middle level, which is between the Rollers 32, 36 extend through the common axis 60, out.
  • Above the common axis 60 is inclined described center plane an adjusting screw 72 in the upper Roll head arm 28 stored in a corresponding threaded hole.
  • the arms can 28, 30 pivoted relative to one another about the common axis 60 be like from the different positions in Fig. 6 and 7. This allows the distance of the Roles, which are only indicated by dash-dotted lines in FIGS. 6 and 7 are, adjust.
  • Fine adjustment is made using measuring balls 78, 80 on the outside of the arms 28, 30, the distance between them a suitable precision measuring instrument can be measured can.
  • a spring section 82 is also provided with the jaw section 70 connected by a slot 84 in the holding portion 20th is led into this.
  • the holding section has one Bore 86, which supports a threaded spindle 88.
  • the threaded spindle is on the one hand at 88 and also on the opposite side at 90 by a compression spring acted upon.
  • the threaded spindle 88 has a threaded section 92 on which a nut-like slide 94 sits with which the approach 82 cooperates.
  • the slider 94 is rotatably guided through the slot 84 so that it with a rotation of the spindle 88 in FIGS. 6 and 7 moved down or up. With the help of this adjustment mechanism can the lower arm 30 in the desired Way be pivoted.
  • the section 20 is through a plate 24 on the top covered, which is fastened with screws 26.
  • Another Plate 96 is at the bottom and is in attached in the same way. Both plates 24, 96 have one Opening 98, 100 open for the passage of a tool for turning the spindle 88.
  • the arm 22 of the holder 18 a scale 102 with a scale 104 on the disc 58 interacts.
  • the disk 58 moves together the arm 28 so that with the help of the scale 102 the center setting of the rolling head can be adjusted.
  • To each The scale line of both scales has a certain center distance the thread rolling. If this is e.g. 36, then must the lines denoted by 36 of both scales 102, 104 be aligned with each other so that the center setting is present.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (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)
  • A Measuring Device Byusing Mechanical Method (AREA)

Claims (14)

  1. Tête à rouler les filets tangentielle comportant deux bras fourchus de tête à rouler, dans lesquels des rouleaux filetés sont montés mobiles en rotation au moyen d'axes parallèles, les rouleaux filetés étant en prise latéralement avec des pignons, montés sur les axes d'un engrenage accouplant les deux rouleaux filetés, et les rouleaux filetés et le pignon comportant latéralement des griffes telles que les griffes des rouleaux peuvent être introduites en glissant latéralement dans les griffes des pignons avant la mise en place des axes, un support de tête à rouler, sur lequel les bras de la tête à rouler sont placés en pouvant basculer autour d'un axe commun parallèle aux axes des rouleaux, des moyens filetés de réglage de la distance séparant les axes des rouleaux filetés et des moyens de réglage de la position de basculement de la tête à rouler sur le support de tête à rouler, caractérisée en ce que les griffes coopérantes (42, 44) du rouleau fileté (32, 36) et du pignon sont constituées de manière que les extrémités des griffes (42, 44) d'une paire de griffes du rouleau fileté (32) opposées l'une à l'autre s'appuient respectivement sur les faces d'un dièdre aigu (c), les griffes du pignon étant constituées de manière complémentaire de manière que le dièdre qu'elles forment diverge vers l'extérieur, de sorte que les rouleaux (32, 36) ne peuvent être introduits latéralement que dans une seule position de rotation définie et que les axes du pignon et du rouleau fileté (32) coïncident, lorsque les griffes (42, 44) sont complètement emboítées l'une dans l'autre latéralement.
  2. Tête à rouler les filets selon la revendication 1, caractérisée en ce qu'une vis de réglage unique (72) coopère dans un bras (28) de tête à rouler avec une mâchoire fixe (70) de l'autre bras de tête à rouler pour le réglage de la distance séparant les rouleaux filetés (32, 36).
  3. Tête à rouler les filets selon la revendication 2, caractérisée en ce que la vis de réglage (72), placée à peu près à la hauteur de l'axe commun (60) des bras (28, 30) de la tête à rouler, s'étend obliquement par rapport au plan médian s'étendant entre les bras (28, 30) de la tête à rouler et passant par l'axe commun (60) et que la mâchoire fixe (70) s'étend au-delà du plan médian en direction de l'extrémité associée de la vis de réglage (72).
  4. Tête à rouler les filets selon l'une des revendications 1 à 3, caractérisée en ce que, sur le côté extérieur des bras (28, 30) de la tête à rouler, sont disposés des points de mesure, de préférence des billes de mesure (78 , 80), pour la détermination de la distance entre les axes des rouleaux filetés (32, 36).
  5. Tête à rouler les filets selon l'une des revendications 1 à 4, caractérisée en ce que les deux axes (38, 40) pour les rouleaux filetés (32, 36) sont formés en métal dur.
  6. Tête à rouler les filets selon l'une des revendications 1 à 5, caractérisée en ce qu'au moins un bras (30) de la tête à rouler est constitué par un levier à deux bras et que, sur le bras (70) associé au support (18), est prévue une pièce rapportée (82) qui coopère avec un mécanisme de déplacement pour déplacer la pièce rapportée sur le support (18).
  7. Tête à rouler les filets selon la revendication 6, caractérisée en ce que la pièce rapportée coopère avec un écrou (94) qui est placé sur une broche filetée (88) et qui est guidé sans pouvoir tourner.
  8. Tête à rouler les filets selon la revendication 7, caractérisée en ce que la broche (88) est disposée en pouvant tourner, mais fixe axialement dans un alésage (86) du support (18).
  9. Tête à rouler les filets selon la revendication 7 ou 8, caractérisée en ce que la broche (88) est soumise à des extrémités opposées à l'action d'un ressort de pression (88, 90).
  10. Tête à rouler les filets selon l'une des revendications 7 à 9, caractérisée en ce que la broche (88) est accessible aux deux extrémités.
  11. Tête à rouler les filets selon l'une des revendications 7 à 10, caractérisée en ce que le mécanisme de déplacement est placé symétriquement sur le support (18).
  12. Tête à rouler les filets selon l'une des revendication 6 à 11, caractérisée en ce que la pièce rapportée (82) est constituée par une pièce élastique fixée au bras associé.
  13. Tête à rouler les filets selon l'une des revendications 1 à 12, caractérisée en ce que, à une extrémité de l'axe commun (60) des bras (28, 30) de la tête à rouler, est placée une échelle (74) pour indiquer la distance entre les axes des rouleaux filetés (32, 36).
  14. Tête à rouler les filets selon l'une des revendications 1 à 13, caractérisée en ce qu'une échelle (102, 104) est placée respectivement sur le support (18) et sur un bras (30) de la tête à rouler, pour indiquer la position intermédiaire de la tête à rouler pour chaque distance réglée entre les axes des rouleaux filetés (32, 36).
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 1996-06-07
DE29610183U DE29610183U1 (de) 1996-06-07 1996-06-07 Tangentialrollkopf

Publications (2)

Publication Number Publication Date
EP0811443A1 EP0811443A1 (fr) 1997-12-10
EP0811443B1 true 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7073361B2 (en) 2004-02-07 2006-07-11 Fette Gmbh Tangential thread-rolling head
DE202016100891U1 (de) 2016-02-19 2016-03-15 Lmt Fette Werkzeugtechnik Gmbh & Co. Kg Gewinderollkopf
EP3208010A1 (fr) * 2016-02-19 2017-08-23 LMT Fette Werkzeugtechnik GmbH & Co. KG Tete de roulage tangentielle
EP3208011A1 (fr) 2016-02-19 2017-08-23 LMT Fette Werkzeugtechnik GmbH & Co. KG Tete de roulage tangentielle

Families Citing this family (10)

* 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
EP1310309B1 (fr) * 2001-11-07 2004-12-15 Fette GmbH Tête de roulage tangentiel
US6748779B2 (en) 2002-09-30 2004-06-15 C.J. Winter Machine Technologies, Inc. Tangential rolling attachment for a machine tool
US9566638B2 (en) * 2013-12-18 2017-02-14 United Technologies Corporation Deep rolling tool with force adjustment
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
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
CN105710595B (zh) * 2016-04-11 2017-10-10 华纳圣龙（宁波）有限公司 一种轴的滚花对准装置

Family Cites Families (9)

* 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
DE2335651C3 (de) * 1973-07-13 1980-11-06 Wilhelm Fette Gmbh, 2053 Schwarzenbek Radialwalzkopf
SU599900A1 (ru) * 1976-06-11 1978-03-30 Центральное Проектно-Конструкторское И Технологическое Бюро Тангенциальна резьбонакатна головка
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
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7073361B2 (en) 2004-02-07 2006-07-11 Fette Gmbh Tangential thread-rolling head
DE202016100891U1 (de) 2016-02-19 2016-03-15 Lmt Fette Werkzeugtechnik Gmbh & Co. Kg Gewinderollkopf
EP3208010A1 (fr) * 2016-02-19 2017-08-23 LMT Fette Werkzeugtechnik GmbH & Co. KG Tete de roulage tangentielle
EP3208011A1 (fr) 2016-02-19 2017-08-23 LMT Fette Werkzeugtechnik GmbH & Co. KG Tete de roulage tangentielle
WO2017140837A1 (fr) 2016-02-19 2017-08-24 Lmt Fette Werkzeugtechnik Gmbh & Co. Kg Tête d'usinage de filets

Also Published As

Publication number Publication date
DE59705736D1 (de) 2002-01-24
ES2168541T3 (es) 2002-06-16
US5784912A (en) 1998-07-28
DE29610183U1 (de) 1997-10-02
EP0811443A1 (fr) 1997-12-10

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