US2160742A - Tube rolling mill - Google Patents

Tube rolling mill Download PDF

Info

Publication number
US2160742A
US2160742A US95909A US9590936A US2160742A US 2160742 A US2160742 A US 2160742A US 95909 A US95909 A US 95909A US 9590936 A US9590936 A US 9590936A US 2160742 A US2160742 A US 2160742A
Authority
US
United States
Prior art keywords
tube
nut
rolling mill
tube rolling
screw
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
US95909A
Other languages
English (en)
Inventor
Landrieu Max
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.)
D'escaut & Meuse SA
Escaut & Meuse SA D
Original Assignee
Escaut & Meuse SA D
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 Escaut & Meuse SA D filed Critical Escaut & Meuse SA D
Application granted granted Critical
Publication of US2160742A publication Critical patent/US2160742A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • B21C37/202—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with guides parallel to the tube axis

Definitions

  • the reciprocation oi' the mandrel is usually arranged to be eii'ectedby .piston mechanism in comprising a rod member moving with the mandrei and vprovided with a'steep-pitched external lscrew thread 'adapted to cooperate with in ternally screw-threaded rotatable nut inv such a manner that-'during thereciproca en oi the l5 Urodmeinber in one direction the nut is prevented 'from' rotating by a pawl and ⁇ ratchet mecha- .nismso asto cause the rotation of the rod mem- "ber andthe carriage through one quarter oi' a -revelution.-'while during reciprocation ofr the rod go'm'e'mber in the opposite direction the nut is free j toI 'rotate' and the rod member moves long tolly withoutfrotation.
  • W -g hepresentinvention has for its object to providearrangements whereby tube rolling ap- 3Q paratus'of'the kind above described may' be utij I to-produce a tube' oigcireuiar cross-section 1 jalons any desired portion or'portions of its length and ofi a' different non-circular special probook ⁇ along-anotherportion or portions thereof,
  • Figure Safisarf y ienal view of the: tube taken 'portion-ot the. tube is tohave sinon-'circular Yproille,"thisbeing ;produced by providing -rolissbnthe 'f carriage lo! a meh anim
  • Figure 3b is a sectional view oi the tube taken on the line IIIb--IIIb of'Fig. 3.
  • Figure 4 is an elevational view of anotherrtype of rolled tube.
  • Figure 4a' is a sectional view of the tube taken I5 on the line Iva-Iva of Fig. 4.
  • Figure 4b is a sectional view of the tube taken on theline IVb-IVb of Fig. 4.
  • the mechanism for reciprocating the carriage l0 S comprises a piston I rigidly connected at one side to a driving shaft 2 for the carriage and at the other side to a rod member l having an external Ascrew thread oi one quarter turn;
  • An internally screw-threaded nut 4 is 13l mounted on the rod member 3 and is' provided -with a central circular ilange 5 constituting a ratchet wheel and provided with ratchet teeth i, the iiange I being'located in a chamber I formed in the cover-plate l of a cylinder 9 containing Q0l o the piston I, so as to prevent axial movement of'thenutl- Y In the chamber 'I are arranged pawls Il which,
  • the upper-ends of the rodsl IIv are provided with projecting keys I4, the ends of which are kalways in contact with ramps I5 formed on a 30 curvedmember Il concentrically arranged on the cover land capable oi' being circumferentially displaced thereon by means of arms I1;
  • FIGS 3 and 4 show, by way of example, various proles of tubes which can be obtained by the arrangements described above.
  • the circular part a is obtained by the restraining of the nut 4 so as to compel the rod member 3 to rotate during its forward displacement.
  • The'proboardd part b is obtained when the pawls Vangelofthenutlsothatthemq Il aredisengagedfromtheteethlonfheratchet member] and its attached elements are merely givm a longitudinal to-and-#fro movement. It willbe understood that the invention is not limitedl to the production of the 'tube profiles shown in Figures 3 and 4 and that without exceeding the scope of the invention, it is possible to obtain any special profile desired by utilising the arrangements above described. Y I-claim: Y
  • a piston arranged for reciprocation in said cylinder carrying a screw with a single pitch thread and adapted for.driving the mandrelLa cover plat for said cylinder, a single nut in engagement withs'aid screw housed within a chamber in the cover plate, means permitting partially vaned tubes to'rotate during working passesof the nonvaned parts comprising ratchet teeth on 'the outer periphery of said vsingle nut, pawls adapted for engaging said teeth and a member with ramps shiftable about the axis of said screw and adapted for separating said pawls from said teeth in orderto stop the rotation of the mandrel for rolling a tube part of non-circular section, and means carried by the cover plate adapted to be engaged by said member so as to limit the shifting thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
US95909A 1936-02-27 1936-08-13 Tube rolling mill Expired - Lifetime US2160742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814527T 1936-02-27

Publications (1)

Publication Number Publication Date
US2160742A true US2160742A (en) 1939-05-30

Family

ID=9266762

Family Applications (1)

Application Number Title Priority Date Filing Date
US95909A Expired - Lifetime US2160742A (en) 1936-02-27 1936-08-13 Tube rolling mill

Country Status (4)

Country Link
US (1) US2160742A (en:Method)
BE (1) BE416700A (en:Method)
FR (1) FR814527A (en:Method)
NL (1) NL44849C (en:Method)

Also Published As

Publication number Publication date
BE416700A (en:Method)
NL44849C (en:Method)
FR814527A (fr) 1937-06-24

Similar Documents

Publication Publication Date Title
US2683379A (en) Screw-threaded mechanism
US2160742A (en) Tube rolling mill
US3001428A (en) Rotary impact wrench
US2685948A (en) Sliding dog clutch
US2460948A (en) Pump piston
US2004639A (en) Diestock
GB1137838A (en) The profiling of annular workpieces by rolling
US2394534A (en) Forming machine and feeding device therefor
US1939065A (en) Flanging and corrugating machine and method
US2011761A (en) Screw thread rolling apparatus
US1662428A (en) Machine for making mandrels
DE1924691U (de) Presse od. dgl. zur plastischen verformung.
US2973848A (en) Torque responsive clutch
US2182544A (en) Nibbling machine
US2994918A (en) Die assembly for pellet mills
GB191409284A (en) Improvements in or relating to Collapsible Mandrils for the Manufacture of Fibre and other Tubes.
US2368973A (en) Metal tube shaping machine
CN202215693U (zh) 带加深螺纹的加强型消隙螺母
US1438457A (en) Wheel clutch
US2428419A (en) Shaping or setting machine for metal bands or tire rims
US2258114A (en) Cam follower mechanism
US2383119A (en) Demountable rotor
US2202514A (en) Portable punch
US1717787A (en) Material-feeding apparatus
US1152570A (en) Device for dressing castings and the like.