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EP1529579B1 - Matrice plate de filetage par roulage - Google Patents

Matrice plate de filetage par roulage Download PDF

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Publication number
EP1529579B1
EP1529579B1 EP04024449A EP04024449A EP1529579B1 EP 1529579 B1 EP1529579 B1 EP 1529579B1 EP 04024449 A EP04024449 A EP 04024449A EP 04024449 A EP04024449 A EP 04024449A EP 1529579 B1 EP1529579 B1 EP 1529579B1
Authority
EP
European Patent Office
Prior art keywords
clamping
clamping body
rolling die
gearing
opposite
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
EP04024449A
Other languages
German (de)
English (en)
Other versions
EP1529579A1 (fr
Inventor
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
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 Fette GmbH filed Critical Fette GmbH
Publication of EP1529579A1 publication Critical patent/EP1529579A1/fr
Application granted granted Critical
Publication of EP1529579B1 publication Critical patent/EP1529579B1/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
    • 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

Definitions

  • the invention relates to a rod-like gear tool according to the preamble of claim 1.
  • the known rolling rods have at the ends lugs or lugs, with the help of which they are attached to the carriage.
  • the height of the teeth is naturally predetermined and must always be adhered to. It is understood that after a certain period of wear of the teeth takes place. It is also known to remanufacture such worn rods to grind the residual profile and mold a new profile. This gives the entire tooth profile a lower height. To compensate for this amount, it is known to arrange a so-called supplement between carriage and roll bar.
  • the disadvantage of such a solution is that they is limited use, requires a difficult machine assembly and it can easily happen that the lugs or tabs break at the ends of the roll bar.
  • a rolling rod of the type mentioned in which a toothing is provided on two opposite longitudinal sides.
  • the other opposite longitudinal sides are clamped in a clamping device, which clamps the rolling rod against an underlying support surface of a document block. Because of the double toothing, the service life of the rolling rods is doubled.
  • the invention has for its object to provide a gear tool, which has the advantages of the latter solution and also sets the roll bar precisely in position.
  • the service life of the gear tool with double tooth profile is also twice as long. If both tooth profiles are worn, the rolling rod is disposed of.
  • the cost of producing a rolling bar with a double tooth profile is naturally somewhat greater than for one which has only one tooth profile. On the other hand, it is significantly lower than for two separate rolling rods, in particular if the tooth profile is identical on both sides of the roll bar.
  • the service life corresponds, as I said, the double life of simply toothed rolling rods, so that the elimination of a reprocessing, which in turn is associated with corresponding expenditure, is outweighed by the advantages.
  • Rolling rods of a conventional type are known to be supported with their underside on a slide or block of the machine tool. This is not the case with the invention because means are provided on the other longitudinal sides of the rolling rod in order to fix them securely at a predetermined height on a carriage.
  • the means for this purpose each have two oppositely directed abutment surfaces which are formed on the longitudinal sides of the rolling rod.
  • a tensioning device causes the application of the contact surfaces on parallel spaced bearing surfaces. Furthermore, the clamping device on clamping means, with which the contact surfaces are pressed against the bearing surfaces.
  • a further embodiment of the invention provides that the clamping means each have two oppositely directed clamping surfaces, on each side of the opposite other longitudinal sides of the rolling rod, wherein the clamping surfaces form associated with contact surfaces a spline.
  • the tensioning device has an elongated first clamping body on which the bearing surfaces are formed and in which an elongate recess is formed above a bearing surface whose cross-section is complementary to the wedge-shaped profile.
  • the clamping device has a second clamping body, which has an inclined surface which cooperates with the facing clamping surface of the gear tool and means are provided to bias the second clamping body so that the contact surfaces are pressed against the facing bearing surfaces.
  • the second clamping body has a second inclined surface, with the first inclined surface diverges to the outside.
  • the second inclined surface cooperates with a complementary inclined surface of the first clamping body.
  • the clamping bodies are preferably both formed in one piece and extend at least over the length of the rolling rod.
  • a rolling rod 10 is generally rectangular in cross-section and has on opposite longitudinal sides a first toothing 12 and a second toothing 14.
  • the serrations 12, 14 extend over the entire length of the rolling rod.
  • the profile toothing 12, 14 has different shape zones, namely in particular an inlet zone, a calibration zone and an outlet zone. In this order, the zones for the teeth 12 are from right to left and for the teeth 14 from left to right.
  • two such rolling rods are used by being clamped on counter-adjustable slide of a machine tool, not shown, wherein they form a toothing on opposite sides in the workpiece.
  • the rolling rod 10 can first with its tooth profile 12 and then be used with their tooth profile 14, when the first is unusable due to wear.
  • the roll bar 10 has at the other opposite longitudinal sides two parallel spaced strips 16,18 and 20, 22.
  • the strips 16 to 22, which extend over the entire length of the rolling rod 10, have surfaces which point upwards or downwards in FIG. 2.
  • the strips 16, 20 have upwardly facing contact surfaces 24, 26 and the strips 18, 20 downwardly facing contact surfaces 28, 30. The latter are on bearing surfaces 32 and 34 of a clamping body 36, which will be discussed below.
  • each strip 16 to 22 also have mutually facing clamping surfaces 38 and 40, which converge to the outside.
  • each strip 16 to 22 is a wedge profile in cross-section.
  • the strips 16 to 22 are symmetrical about a transverse center plane of the rolling rod 10 and symmetrical about its longitudinal center plane.
  • the first clamping body 36 which extends over the length of the rolling rod 10, is approximately U-shaped in cross section.
  • the left leg forms with its top the bearing surface 32, while the bearing surface 34 is formed by a recess 42 which is formed on the inside of the other leg and complementary to the cross-sectional profile of the strips 16 to 22.
  • the position of the strips 16 to 22 is such in that, when the contact surfaces 24, 26 or 28, 30 rest on the bearing surfaces 32, 34, there is a spacing given to the web of the U-profile. This web is very stable in order to absorb pressing forces which act to a high degree on the rolling rod 10.
  • a second clamping body 44 has a first inclined surface 46 and a second inclined surface 48, which inclined surfaces 46, 48 diverge away from each other and are arranged so that they are complementary to an inclined surface 16 of the swept bar and a further inclined surface 50 of the first clamping body 36th
  • the second clamping body 44 extends over the same length as the first clamping body 36, and with the aid of a plurality of clamping screws, one of which is shown at 52 in dashed lines, the second clamping body 44 is laterally clamped against the first clamping body 36.
  • the associated bar 22 is pressed into the recess 30, wherein the contact surface 30 is pressed firmly against the bearing surface 34.
  • the contact surface 28 is pressed firmly against the bearing surface 32 and the rolling rod 10 laterally held by the inclined surfaces 46, 48.
  • the clamping body 44 is removed and the rolling rod 10 is rotated by 180 ° about its longitudinal axis and clamped again in the manner described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Automatic Assembly (AREA)

Claims (6)

  1. Outil à denture en forme de barre comprenant une barre de laminage (10) et des moyens d'application sur un chariot d'une machine-outil, sachant que la barre de laminage (10) a approximativement une forme de rectangle en coupe transversale et présentant une denture (12, 14) sur des côtés longitudinaux opposés et que, sur les autres côtés longitudinaux opposés, des moyens comprenant un dispositif de serrage sont prévus pour la fixer dans la machine-outil,
    caractérisé en ce que
    les moyens présentent sur les autres côtés longitudinaux opposés à chaque fois deux surfaces d'appui opposées (24, 26, 28, 30) et orientées à chaque fois dans la direction de la denture (12, 14) correspondante pour l'installation sur des surfaces de palier distantes et parallèles (32, 34) du dispositif de serrage, et ce dispositif de serrage présente des moyens de serrage qui permettent de pousser les surfaces d'appui (24, 26, 28, 30) contre les surfaces de palier (32, 34).
  2. Outil à denture selon la revendication 1,
    caractérisé en ce que
    les moyens de serrage présentent à chaque fois deux surfaces de serrage (38, 40), orientées de manière opposée sur chacun des autres côtés longitudinaux opposés de la barre de laminage (10), qui forment à chaque fois un profil cunéiforme avec une surface d'appui associée (24, 26, 28, 30),
    le dispositif de serrage présente un premier corps de serrage longitudinal (36) qui comprend les surfaces de palier (32, 34) ainsi qu'un évidement longitudinal (42) au-dessus d'une surface de palier (34) dont la coupe transversale est complémentaire avec le profil cunéiforme, et
    le dispositif de serrage présente un deuxième corps de serrage (44) qui comprend une surface oblique (46) coopérant avec la surface de serrage (38 respectivement 40) de la barre de laminage (10) qui lui fait face, des moyens étant prévus pour précontraindre le deuxième corps de serrage (44) de telle sorte que les surfaces d'appui (24, 26, 28, 30) soient appuyées contre les surfaces de palier associées (32, 34).
  3. Outil à denture selon la revendication 2,
    caractérisé en ce que
    le deuxième corps de serrage (44) présente une deuxième surface oblique (48) qui diverge de la première surface oblique (46) vers l'extérieur, cette deuxième surface oblique (48) coopérant avec une surface oblique (50) complémentaire du premier corps de serrage (36), et au moins une vis de serrage (52) étant prévue pour serrer le deuxième corps de serrage (44) contre le premier corps de serrage (36), ce qui permet de pousser un profil cunéiforme dans l'évidement complémentaire (42) et de pousser les surfaces d'appui (24, 26, 28, 30) contre les surfaces de palier (32, 34) pour fixer la barre de laminage (10) dans sa position serrée.
  4. Outil à denture selon l'une des revendications 1 à 3,
    caractérisé en ce que
    les surfaces d'appui (24, 26, 28, 30) ont approximativement la longueur de la barre de laminage (10) et les surfaces de palier (32, 34) s'étendent au moins sur une longueur correspondant à la longueur des surfaces d'appui (24 à 30).
  5. Outil à denture selon la revendication 3 ou 4,
    caractérisé en ce que
    le deuxième corps de serrage (44) est de même longueur que le premier corps de serrage (36).
  6. Outil à denture selon l'une des revendications 2 à 5,
    caractérisé en ce que
    le premier et/ou deuxième corps de serrage (44, 46) est formé d'une seule pièce.
EP04024449A 2003-11-06 2004-10-14 Matrice plate de filetage par roulage Expired - Lifetime EP1529579B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20317081U DE20317081U1 (de) 2003-11-06 2003-11-06 Stangenartiges Verzahnungswerkzeug
DE20317081U 2003-11-06

Publications (2)

Publication Number Publication Date
EP1529579A1 EP1529579A1 (fr) 2005-05-11
EP1529579B1 true EP1529579B1 (fr) 2007-05-23

Family

ID=31896631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04024449A Expired - Lifetime EP1529579B1 (fr) 2003-11-06 2004-10-14 Matrice plate de filetage par roulage

Country Status (3)

Country Link
EP (1) EP1529579B1 (fr)
AT (1) ATE362811T1 (fr)
DE (2) DE20317081U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017102146U1 (de) 2017-04-10 2017-05-08 Kamax Holding Gmbh & Co. Kg Mehrstückiges Rollwerkzeug mit einem dünnen Profilteil
WO2018189028A2 (fr) 2017-04-10 2018-10-18 Kamax Holding Gmbh & Co. Kg Outil de roulage en plusieurs éléments à montage flottant
DE102021102040B3 (de) 2021-01-29 2022-05-19 Osg Ex-Cell-O Gmbh Walzwerkzeugeinheit für eine Walzmaschine und Verfahren zur Nachbearbeitung einer Walzstange

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101927307B (zh) * 2010-08-10 2012-12-05 无锡赛可电气有限公司 滚轧搓丝工件弹性定位装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE294822C (fr) *
US1972225A (en) * 1932-12-03 1934-09-04 Wasmer Bolt & Nut Company Apparatus for finishing heads and points of bolts
US4798070A (en) * 1983-07-01 1989-01-17 Colt Industries Operating Corporation Combined thread rolling dies
US5943904A (en) * 1995-03-08 1999-08-31 Ingersoll Cutting Tool Company Thread-rolling die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017102146U1 (de) 2017-04-10 2017-05-08 Kamax Holding Gmbh & Co. Kg Mehrstückiges Rollwerkzeug mit einem dünnen Profilteil
WO2018189028A2 (fr) 2017-04-10 2018-10-18 Kamax Holding Gmbh & Co. Kg Outil de roulage en plusieurs éléments à montage flottant
DE102021102040B3 (de) 2021-01-29 2022-05-19 Osg Ex-Cell-O Gmbh Walzwerkzeugeinheit für eine Walzmaschine und Verfahren zur Nachbearbeitung einer Walzstange

Also Published As

Publication number Publication date
DE502004003867D1 (de) 2007-07-05
ATE362811T1 (de) 2007-06-15
DE20317081U1 (de) 2004-02-19
EP1529579A1 (fr) 2005-05-11

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