WO2011044970A1 - Dispositif pour rouler des filets - Google Patents

Dispositif pour rouler des filets Download PDF

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Publication number
WO2011044970A1
WO2011044970A1 PCT/EP2010/005398 EP2010005398W WO2011044970A1 WO 2011044970 A1 WO2011044970 A1 WO 2011044970A1 EP 2010005398 W EP2010005398 W EP 2010005398W WO 2011044970 A1 WO2011044970 A1 WO 2011044970A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
thread
axis
profiling tool
tool
Prior art date
Application number
PCT/EP2010/005398
Other languages
German (de)
English (en)
Inventor
Bernd-Arno Behrens
Hagen Schmidt
Philipp Silberkuhl
Dietmar Schnier
Original Assignee
Gottfried Wilhelm Leibniz Universität Hannover
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 Gottfried Wilhelm Leibniz Universität Hannover filed Critical Gottfried Wilhelm Leibniz Universität Hannover
Priority to JP2012533493A priority Critical patent/JP2013507256A/ja
Priority to CN2010800461351A priority patent/CN102574195A/zh
Priority to RU2012119780/02A priority patent/RU2012119780A/ru
Priority to EP10750069A priority patent/EP2488314A1/fr
Publication of WO2011044970A1 publication Critical patent/WO2011044970A1/fr
Priority to US13/393,499 priority patent/US20120186318A1/en
Priority to IL219141A priority patent/IL219141A0/en

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
    • 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
    • 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
    • B21H3/044—Thread-rolling heads working axially

Definitions

  • the invention relates to a device for introducing a thread into a workpiece with a cylindrical outer surface by thread rolling with a
  • Thread rolling often also referred to as thread rolling, is generally understood to mean the non-cutting production of thread by cold forming, in which the profile is rolled into the surface of the corresponding pipe part. According to DIN 8580, thread rolling is part of forming, more accurate pressure forming and rolling. The transformation is based on the generation of
  • Threading namely threading.
  • Jaw pair the thread counter-profile with the pitch angle of the thread one jaw fixed and the other is arranged to be movable.
  • the workpiece is unrolled under the influence of frictional forces, so that the whole
  • the dies have a tapered inlet and outlet and a straight calibration part.
  • Thread rolling with round tools can be done in grooving or
  • the workpiece is either held with a ruler (centerless) or stretched between points. Apart from slight compensatory movements, the workpiece remains axially steady during the rolling process. Since the ratio of roller to workpiece diameter and the number of gears must be exactly matched, a pair of rollers can only be used for a specific thread.
  • stepless thread profiles They will be around the required
  • Self-opening thread rolling heads usually have three rollers. They are brought axially to the workpiece and pull by the inclination of the rollers automatically on the workpiece. If the intended thread length is reached, the roller head opens automatically and can be withdrawn.
  • the object of the invention is a maximum transportable, comparatively easy to use manually operable device for rolling
  • Profiling tool is formed by a circular, rotatably mounted about its axis disc, projecting on the outer edge of two annular, coaxial, stepless profiles which form an annular space between them, which corresponds in shape and dimensions to the thread profile of the thread to be created.
  • the invention relates to a device for thread rolling, in which between the rolling tool and jig a workpiece is to be clamped and clamped by means of screw feed. After locking can now be rolled by a rotary motion by hand, a thread in the workpiece.
  • the thread geometry of the workpiece is determined by the
  • the rolling tool is preferably as a
  • Quick-change plug-in system executed and can thereby customize any external thread.
  • Such a device has a simple construction on such a small design that it can be carried and operated by hand. It does not require an electric drive, but the forces can through
  • Thread rolling device but the device can be easily carried to the point at which a thread is to be created.
  • the workpiece as
  • the solidification of the material by the rolling process is used.
  • a secure hold with the simplest production is given when the cylindrical workpiece is held in a part-cylindrical groove of a bearing part, whose longitudinal axis is arranged obliquely to the axis of the profiling tool.
  • the bearing part can be adjustable transversely and in particular at right angles to the axis of the profiling tool, in particular by hand.
  • the cylindrical workpiece is mounted on the opposite side of the profiling tool by at least two axially parallel to the workpiece rollers, which are mounted on a support member.
  • the bearing part is actuated by a threaded rod, in particular by hand.
  • the workpiece in the space between the profiling tool and bearing member axially and / or radially be introduced and removed. It is particularly advantageous that the
  • Thread rolling device manually operated as a hand tool
  • Figure 1 shows a first embodiment in which the workpiece in the groove of a
  • Figure 2 shows a second embodiment in which the workpiece by two
  • Figure 3 shows an embodiment with a closed annular
  • the thread rolling device 1 has a U-shaped support block 2, with a base 3 from which two legs 4, 5 go out.
  • the first leg 4 is divided by a longitudinal slot 6 in two leg halves 4a, 4b and in the slot 6 a profiling tool 7 is mounted on an axis 8, the ends of both leg halves 4a, 4b penetrate to thereby be held by the leg 4.
  • the profiling tool has a circular disc 9, on whose outer circular edge two adjacent annular coaxial profiles 10 of the same diameter and the same cross-section project such that they form a coaxial groove-shaped annular space 11 between them whose cross-section in shape and dimensions of the cross section of the thread profile of corresponds to the thread to be generated.
  • the dimensions and the cross section of the profiles 10 are selected so that they correspond to the dimensions and the cross section of the thread of the thread to be created.
  • a bearing member 20 which has a part-cylindrical groove 12 in which the workpiece rests, wherein the concave groove surface can be profiled according to the thread to be produced.
  • a threaded rod 12 is mounted on this, which rests in a corresponding threaded bore of the second leg 5 and is rotatable about a handle 14 at its outer end by hand about its longitudinal axis to the support member 20 move the profiling tool to and fro.
  • the profiling tool 7 may be mounted in the storage part 20 and the first
  • the bearing part 20 may carry two guide wheels or two guide rollers 21, which run with profilings in the thread of the workpiece, as shown in FIG. 2.
  • the surfaces of the rollers 21 may be smooth cylindrical, especially in one
  • the support block 2 may not be U-shaped, but closed, d. H. the two legs 4, 5 are suppressed by an upper part 2a so that the
  • Support block 2 is annular and the storage part 20 is in its central opening, as shown in FIG. 3 shows.
  • the axis of rotation 8 of the disc 9 and thus also the two profiles 10 are arranged obliquely relative to the axis of the groove 12 and against the guide edges 21, so that a thread with a
  • Guide member 20 is parallel to the axis 8 of the profiling tool.
  • Machine is that it can be carried out locally, can be used flexibly, and, for example, set-up times eliminated.
  • the tool is thus suitable for the production of small quantities and is also clear
  • a non-lead profile is also used for shaping, but this profile is characterized in that it has exactly two circumferential ribs or rings, which form between them an annular gap which corresponds approximately to the thread profile to be formed. Although it could have several rings, but only two are in an application engaged on the workpiece.
  • This shape of the profile roller ensures that the force that must be applied in order to allow the profile roller to penetrate into the material is minimized. Furthermore, an inclination of this profile roller relative to the workpiece axis to about the thread pitch that can be dispensed with a complicated forced operation as in known tools, and the profile role yet a profile with exactly the desired slope in the
  • the workpiece is supported on the opposite side of the profile roller with a bearing element.
  • This can, for example, as a solid with be formed adapted to the thread negative profile. It is relevant to the bearing element that it transmits the force as large as possible and not only selectively to the workpiece.
  • Pipe cutter which differs from the invention described so far in that instead of a profile-giving, inclined profile roller, a straight cutting wheel is used.
  • the proposed embodiment of the tool is characterized in that it is designed as a mobile mit réellebares hand tool. That's it
  • At least one rest position is adjustable, in which a
  • Insertion option for the workpiece offers maximum flexibility.
  • profiling tool and the bearing element are in a power flow plane, so that no bending or tilting moments on the workpiece to be machined arise by a locking operation.
  • the tool is designed so that the profiling tool relative to
  • Workpiece axis is inclined at an angle which corresponds approximately to the thread pitch.
  • Workpiece center are rolled starting from the end of the workpiece.
  • the tool can not be accidentally set at an angle. Also, a touch of the workpiece at the workpiece end, as in the
  • Thread cutting is common, to avoid tilting or oblique attachment, can be omitted.
  • the advantageous properties of chipless machining can be used by means of the device according to the invention, so that the advantages of a thread produced by such a method can be realized manually by hand.
  • the external thread is without cutting after delivery with a predetermined feed force in the working position by turning the entire device around the tool longitudinal axis
  • Profiling tool with respect to the profile depth and profile shape is clearly predefined. Tilting or imprecise insertion of the profile is virtually impossible. Also, overfeeding is not possible because the forces increase exponentially as soon as the space between the two profiled ribs or rings is completely filled by the formed workpiece, the geometry of the workpiece only requiring a substantially cylindrical outer surface, and Furthermore, the external thread can be completely formed to a defined point so that a thread can be produced without an outlet.
  • Another possible use of the tool is the thread repair. With the tool deformed external thread can be formed back again.
  • Profiling tool is inclined relative to the workpiece axis, from which to are dependent on the generating thread type, it is expedient to use parts of the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Rolling Contact Bearings (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un dispositif pour insérer un filet dans une pièce dotée d'une surface extérieure cylindrique par roulement fileté avec un outil de profilage (7) doté d'un profil sans pas, l'axe de l'outil de profilage étant incliné ou parallèle par rapport à l'axe de la pièce, l'outil de profilage (7) étant formé d'un disque (9) circulaire, monté à rotation autour de son axe (8), sur le bord extérieur duquel font saillie deux profils (10) annulaires, coaxiaux, sans pas, qui forment entre eux un espace annulaire qui correspond en forme et dimensions au profil du filet à créer.
PCT/EP2010/005398 2009-10-15 2010-09-02 Dispositif pour rouler des filets WO2011044970A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2012533493A JP2013507256A (ja) 2009-10-15 2010-09-02 ねじ転造装置
CN2010800461351A CN102574195A (zh) 2009-10-15 2010-09-02 用于滚压螺纹的装置
RU2012119780/02A RU2012119780A (ru) 2009-10-15 2010-09-02 Устройство для накатки резьбы на детали
EP10750069A EP2488314A1 (fr) 2009-10-15 2010-09-02 Dispositif pour rouler des filets
US13/393,499 US20120186318A1 (en) 2009-10-15 2011-09-02 Device for rolling threads
IL219141A IL219141A0 (en) 2009-10-15 2012-04-15 Device for rolling threads

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009049580.0 2009-10-15
DE102009049580A DE102009049580A1 (de) 2009-10-15 2009-10-15 Vorrichtung zum Gewinderollen

Publications (1)

Publication Number Publication Date
WO2011044970A1 true WO2011044970A1 (fr) 2011-04-21

Family

ID=43086205

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/005398 WO2011044970A1 (fr) 2009-10-15 2010-09-02 Dispositif pour rouler des filets

Country Status (8)

Country Link
US (1) US20120186318A1 (fr)
EP (1) EP2488314A1 (fr)
JP (1) JP2013507256A (fr)
CN (1) CN102574195A (fr)
DE (1) DE102009049580A1 (fr)
IL (1) IL219141A0 (fr)
RU (1) RU2012119780A (fr)
WO (1) WO2011044970A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015120868A1 (fr) * 2014-02-13 2015-08-20 Silberkuhl Philipp Outil à rouler les filets

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015003494U1 (de) 2015-05-12 2015-08-21 Gotthard Mayr Gewindeausbesservorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE561304C (de) * 1932-10-13 Else Lorenz Geb Neustein Valzvorrichtung zur Herstellung von konischem Rohrgewinde von Hand
US1983922A (en) * 1932-11-22 1934-12-11 Frederick H Ruppel Pipe grooving tool
DE607660C (de) * 1932-05-11 1935-01-05 Else Lorenz Geb Neustein Verfahren zum unmittelbaren Walzen von Innen- und Aussenrohrgewinde, insbesondere bei Rohren aus Weichmetall
US2684101A (en) * 1950-04-28 1954-07-20 John W Clerke Tube-swaging and thread-rolling apparatus
EP0313279A2 (fr) * 1987-10-19 1989-04-26 ABRAHAM, Moshe Outil de réparation de filet
US5417095A (en) * 1993-11-08 1995-05-23 C.J. Winter Machine Works, Inc. Thread rolling attachment and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1414668A (en) * 1921-04-16 1922-05-02 Fred A Reed Knurling tool
US2508291A (en) * 1945-06-09 1950-05-16 Porro Frank Rethreading tool
US2701484A (en) * 1952-04-30 1955-02-08 Leo W Bedker Rolling apparatus
DE1299270B (de) * 1964-02-03 1969-07-17 Hufnagl Vorrichtung zum Anbringen von Schraubengaengen an stab-und drahtfoermigem Material
JP4407919B2 (ja) * 2004-05-12 2010-02-03 本田技研工業株式会社 ネジの修正治具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE561304C (de) * 1932-10-13 Else Lorenz Geb Neustein Valzvorrichtung zur Herstellung von konischem Rohrgewinde von Hand
DE607660C (de) * 1932-05-11 1935-01-05 Else Lorenz Geb Neustein Verfahren zum unmittelbaren Walzen von Innen- und Aussenrohrgewinde, insbesondere bei Rohren aus Weichmetall
US1983922A (en) * 1932-11-22 1934-12-11 Frederick H Ruppel Pipe grooving tool
US2684101A (en) * 1950-04-28 1954-07-20 John W Clerke Tube-swaging and thread-rolling apparatus
EP0313279A2 (fr) * 1987-10-19 1989-04-26 ABRAHAM, Moshe Outil de réparation de filet
US5417095A (en) * 1993-11-08 1995-05-23 C.J. Winter Machine Works, Inc. Thread rolling attachment and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015120868A1 (fr) * 2014-02-13 2015-08-20 Silberkuhl Philipp Outil à rouler les filets
CN106029251A (zh) * 2014-02-13 2016-10-12 菲利普·施尔伯库赫 螺纹滚压工具
US10543524B2 (en) 2014-02-13 2020-01-28 Philipp Silberkuhl Thread rolling tool

Also Published As

Publication number Publication date
RU2012119780A (ru) 2013-11-27
US20120186318A1 (en) 2012-07-26
IL219141A0 (en) 2012-06-28
JP2013507256A (ja) 2013-03-04
DE102009049580A1 (de) 2011-04-21
EP2488314A1 (fr) 2012-08-22
CN102574195A (zh) 2012-07-11

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