EP0811443B1 - Tangentialrollkopf - Google Patents
Tangentialrollkopf Download PDFInfo
- 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
Links
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 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)
- A Measuring Device Byusing Mechanical Method (AREA)
- Rolling Contact Bearings (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)
- Valve-Gear Or Valve Arrangements (AREA)
Description
- Fig. 1
- zeigt perspektivisch einen Tangentialgewinderollkopf nach einem Ausführungsbeispiel der Erfindung.
- Fig. 2
- zeigt eine Seitenansicht einer Gewinderolle des Rollkopfs nach Fig. 1.
- Fig. 3
- zeigt einen Schnitt durch die Darstellung nach Fig. 2 entlang der Linie 3-3.
- Fig. 4
- zeigt die Seitenansicht des Gewinderollkopfs nach Fig. 1 ohne Aufspannkörper.
- Fig. 5
- zeigt die Draufsicht auf die Darstellung nach Fig. 4 entlang dem Richtungspfeil 5.
- Fig. 6
- zeigt eine ähnliche Darstellung wie Fig. 4, jedoch bei Weglassung eines Arms des gabelartigen Rollkopfhalters und mit Schnitt durch ein Verstellmittel für die Verschwenkung des Rollkopfs.
- Fig. 7
- zeigt eine ähnliche Darstellung wie Fig. 6, jedoch in einer anderen Schwenkposition der Rolikopfarme.
Claims (14)
- Tangentialgewinderollkopf mit zwei gabelförmigen Rollkopfarmen, in denen mittels paralleler Achsen Gewinderollen drehbar gelagert sind, wobei die Gewinderollen seitlich mit einem auf den Achsen sitzenden Ritzel eines beide Gewinderollen koppelnden Getriebes in Eingriff stehen und Gewinderollen und Ritzel seitlich Klauen aufweisen derart, daß die Klauen der Rollen vor dem Einbau der Achsen seitlich in die Klauen der Ritzel einschiebbar sind, einem Rollkopfhalter, an dem die Rollkopfarme um eine gemeinsame, parallel zu den Rollenachsen verlaufende Achse schwenkbar gelagert sind, Gewindemitteln zur Einstellung des Abstands der Gewinderollachsen voneinander und Einstellmitteln für die Schwenklage des Rollkopfs zum Rollkopfhalter, dadurch gekennzeichnet, daß die zusammenwirkenden Klauen (42, 44) von Gewinderolle (32, 36) und Ritzel so ausgebildet sind, daß die Enden der Klauen (42, 44) eines Paars einander gegenüberliegender Klauen an der Gewinderolle (32) jeweils auf dem Schenkel eines spitzen Winkels (c) liegen, wobei die Klauen des Ritzels komplementär so ausgebildet sind, daß der von diesen gebildete Winkel nach außen divergiert, so daß die Rolle (32, 36) nur in einer einzigen definierten Drehlage seitlich eingeschoben werden kann und die Achsen von Ritzel und Gewinderolle (32) zusammenfallen, wenn die Klauen (42, 44) vollständig seitlich ineinandergesteckt sind.
- Gewinderollkopf nach Anspruch 1, dadurch gekennzeichnet, daß eine einzige Einstellschraube (72) in einem Rollkopfarm (28) mit einer festen Backe (70) des anderen Rollkopfarms zusammenwirkt zur Einstellung des Abstands der Gewinderollen (32, 36) voneinander.
- Gewinderollkopf nach Anspruch 2, dadurch gekennzeichnet, daß die Einstellschraube (72) etwa in Höhe der gemeinsamen Achse (60) der Rollkopfarme (28, 30) angeordnet sich schräg zur zwischen den Rollkopfarmen (28, 30) und die gemeinsame Achse (60) erstreckenden Mittenebene erstreckt und die feste Backe (70) sich über die Mittenebene hinaus in Richtung zugeordnetem Ende der Einstellschraube (72) hin erstreckt.
- Gewinderollkopf nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß an der Außenseite der Rollkopfarme (28, 30) Meßpunkte, vorzugsweise Meßkugeln (78, 80) angeordnet sind zur Bestimmung des Achsabstands der Gewinderollen (32, 36).
- Gewinderollkopf nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die beiden Achsen (38, 40) für die Gewinderollen (32, 36) aus Hartmetall geformt sind.
- Gewinderollkopf nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß mindestens ein Rollkopfarm (30) als doppelarmiger Hebel ausgebildet ist und an dem dem Halter (18) zugeordneten Arm (70) ein Ansatz (82) vorgesehen ist, der mit einem Verstellmechanismus zur Verstellung des Ansatzes am Halter (18) zusammenwirkt.
- Gewinderollkopf nach Anspruch 6, dadurch gekennzeichnet, daß der Ansatz mit einer Mutter (94) zusammenwirkt, die auf einer Gewindespindel (88) sitzt und die drehfest geführt ist.
- Gewinderollkopf nach Anspruch 7, dadurch gekennzeichnet, daß die Spindel (88) drehbar, jedoch axial fest in einer Bohrung (86) des Halters (18) angeordnet ist.
- Gewinderollkopf nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Spindel (88) an entgegengesetzten Enden mit einer Druckfeder (88, 90) beaufschlagt ist.
- Gewinderollkopf nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß die Spindel (88) von beiden Enden zugänglich ist.
- Gewinderollkopf nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß der Verstellmechanismus symmetrisch am Halter (18) angebracht ist.
- Gewinderollkopf nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, daß der Ansatz (82) von einem Federstück gebildet ist, das am zugeordneten Arm angebracht ist.
- Gewinderollkopf nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß an einem Ende der gemeinsamen Achse (60) der Rollkopfarme (28, 30) eine Skala (74) angebracht ist zur Anzeige des Achsabstands der Gewinderollen (32, 36).
- Gewinderollkopf nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß am Halter (18) und einem Rollkopfarm (30) jeweils eine Skala (102, 104) angebracht ist zur Anzeige der Mittenlage des Rollkopfes für den jeweils eingestellten Achsabstand der Gewinderollen (32, 36).
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 EP0811443A1 (de) | 1997-12-10 |
EP0811443B1 true EP0811443B1 (de) | 2001-12-12 |
Family
ID=8025000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97107896A Expired - Lifetime EP0811443B1 (de) | 1996-06-07 | 1997-05-15 | Tangentialrollkopf |
Country Status (4)
Country | Link |
---|---|
US (1) | US5784912A (de) |
EP (1) | EP0811443B1 (de) |
DE (2) | DE29610183U1 (de) |
ES (1) | ES2168541T3 (de) |
Cited By (4)
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 |
EP3208011A1 (de) | 2016-02-19 | 2017-08-23 | LMT Fette Werkzeugtechnik GmbH & Co. KG | Tangentialgewinderollkopf |
EP3208010A1 (de) * | 2016-02-19 | 2017-08-23 | LMT Fette Werkzeugtechnik GmbH & Co. KG | Tangentialgewinderollkopf |
Families Citing this family (10)
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 (de) * | 2001-11-07 | 2004-12-15 | 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 |
US9566638B2 (en) * | 2013-12-18 | 2017-02-14 | United Technologies Corporation | Deep rolling tool with force adjustment |
US9421602B2 (en) | 2013-12-18 | 2016-08-23 | United Technologies Corporation | Machine for deep rolling tool positioning |
US9573184B2 (en) * | 2013-12-18 | 2017-02-21 | United Technologies Corporation | Deep rolling tool for processing blade root |
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)
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 |
-
1996
- 1996-06-07 DE DE29610183U patent/DE29610183U1/de not_active Expired - Lifetime
-
1997
- 1997-05-15 ES ES97107896T patent/ES2168541T3/es not_active Expired - Lifetime
- 1997-05-15 EP EP97107896A patent/EP0811443B1/de not_active Expired - Lifetime
- 1997-05-15 DE DE59705736T patent/DE59705736D1/de not_active Expired - Lifetime
- 1997-06-06 US US08/870,885 patent/US5784912A/en not_active Expired - Lifetime
Cited By (5)
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 |
EP3208011A1 (de) | 2016-02-19 | 2017-08-23 | LMT Fette Werkzeugtechnik GmbH & Co. KG | Tangentialgewinderollkopf |
EP3208010A1 (de) * | 2016-02-19 | 2017-08-23 | LMT Fette Werkzeugtechnik GmbH & Co. KG | Tangentialgewinderollkopf |
WO2017140837A1 (de) | 2016-02-19 | 2017-08-24 | Lmt Fette Werkzeugtechnik Gmbh & Co. Kg | Gewinderollkopf |
Also Published As
Publication number | Publication date |
---|---|
US5784912A (en) | 1998-07-28 |
DE29610183U1 (de) | 1997-10-02 |
EP0811443A1 (de) | 1997-12-10 |
ES2168541T3 (es) | 2002-06-16 |
DE59705736D1 (de) | 2002-01-24 |
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