EP1162009B1 - Die-holder/tray assembly with anti-rotation means for die-forming machines - Google Patents

Die-holder/tray assembly with anti-rotation means for die-forming machines Download PDF

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Publication number
EP1162009B1
EP1162009B1 EP01202014A EP01202014A EP1162009B1 EP 1162009 B1 EP1162009 B1 EP 1162009B1 EP 01202014 A EP01202014 A EP 01202014A EP 01202014 A EP01202014 A EP 01202014A EP 1162009 B1 EP1162009 B1 EP 1162009B1
Authority
EP
European Patent Office
Prior art keywords
die
holder
tray
assembly according
locking means
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
EP01202014A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1162009A2 (en
EP1162009A3 (en
Inventor
Fernando Rimoldi
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.)
Pietro Rimoldi & C Srl
Original Assignee
Pietro Rimoldi & C Srl
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 Pietro Rimoldi & C Srl filed Critical Pietro Rimoldi & C Srl
Priority to SI200130894T priority Critical patent/SI1162009T1/sl
Publication of EP1162009A2 publication Critical patent/EP1162009A2/en
Publication of EP1162009A3 publication Critical patent/EP1162009A3/en
Application granted granted Critical
Publication of EP1162009B1 publication Critical patent/EP1162009B1/en
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
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B21J13/03—Die mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies

Definitions

  • the present invention relates to a die-holder and tray assembly for machines used for the hot press die-forming of materials such as steel and the like, comprising means for constraining the relative rotation/rotary translation of the tray with respect to the said die-holder.
  • Said dies are normally housed inside support trays which are in turn inserted in the die-holders which consist of an apparatus formed by two parts - i.e. an upper part, integral with the press ram and movable therewith and a lower part fixed to the bottom of the press - which are joined together by suitable guiding and centring devices.
  • a further known configuration envisages that the tray is brought into contact against a rear surface of the associated die-holder and that the movements in the lateral direction on the die-holder surface are prevented by an insert which projects from the base, or from the end wall thereof, opposite said rear contact surface and is designed to engage with a seat in the tray, locking in the vertical direction nevertheless being obtained by means of wedges and/or equivalent inclined contact surfaces.
  • DE 199 11 486 discloses a 1) die-holder and tray assembly for the die-forming of materials such as steel and the like in a punch press, said die-holder presenting a closed rear side extended along the transversal direction and an open front side parallel to said rear side comprising first means for relative positioning and locking of the tray with respect to the die-holder, second means for constraining the relative rotation/rotary translation of the tray with respect to the die-holder around an axis parallel to the vertical direction said second anti-rotation means comprising a female element integral with the die-holder and a male element integral with the tray, said female element being provided with a seat having at least one open side in correspondence of the front side of the die-holder and said male element consisting of a projection integral with the tray and extending towards the outside along the vertical axis from the bottom surface of the base of the said tray, to fit the female element through a linear displacement along the longitudinal direction from the open front side towards the closed rear side and viceversa
  • the technical problem which is posed is that of providing die-holder and tray assemblies for the hot-pressing of steel or other material which are designed to prevent both the relative movements of the die-holders and the relative rotational/rotary translatory movement of the tray with respect to its die-holder.
  • the tray should also be able to be inserted into the associated die-holder by means of a translational movement while resting on the surface of the lower die-holder or on corresponding guides in the case of the upper die-holder.
  • the die-holder device 10 consists of an upper die-holder 11 and a lower die-holder 12 which are connected together by columns 3 for guiding the relative translatory movement in the vertical direction.
  • a longitudinal direction X-X, a transverse direction Y-Y and a vertical direction Z-Z are indicated.
  • each bottom surface 12a of the associated die-holder element 12 has a first seat 13 arranged in the vicinity of the closed rear side 12b of the said die-holder 12.
  • Said seat 13 is designed to contain partially an insert 20 - in the example with a parallelepiped shape - which once inserted in the seat 13 will project partially in the vertical direction from the surface 12a ( Fig. 4 ).
  • said insert is formed by a parallelepiped which is totally contained in the seat 13 and by a projection protruding vertically from said parallelepiped and therefore from the base of the die-holder.
  • Each bottom surface 12a is also provided with a second seat 16 arranged on the open front side of the die-holder and in turn open towards said front side.
  • Said seat is designed to house a second insert 30 ( Fig. 3 ) which is in turn provided with a cavity 31 open towards the said front side of the die.
  • the tray 40 to which the die (known per se and therefore not shown) is applied has, in the bottom surface 41a of the base 41, a first seat 43 which is open towards the rear side 12b of the die-holder and has dimensions corresponding to those of the projection 13 emerging from the bottom surface 12a of the die-holder 12.
  • the front side of the bottom surface 41a of the said base 41 of the tray 40 is also provided with a projection 42 extending towards the outside in the vertical direction and having a shape and dimensions such as to mate precisely with the second front seat 31 of the bottom surface of the die-holder.
  • the engagement between said front projection 42 of the tray 40 and second seat 31 of the base 12a is designed to prevent rotation of the tray 40 and consequently the die with respect to the associated die-holder 12.
  • the arrangement of the said seats in the tray and the die-holder which are open on the rear side and front side of the die-holder respectively, allows insertion of the tray into the said die-holder by means of a translatory movement of the former which remains resting on the latter, avoiding the need for complex equipment for gripping, transporting and releasing the tray into its die-holder.
  • the tray is locked in the longitudinal direction X-X and vertical direction Z-Z by means of wedge elements 50 with a double inclination which project from corresponding seats 50a formed in the sides of the die-holder and upon operation of respective means such as oil-hydraulic cylinders or the like, not illustrated.
  • the means for locking rotation/rotary translation of the tray 40 with respect to the die-holder 12 may also be provided with means for adjusting the position of the tray in the transverse direction Y-Y.
  • the male rear block 220 and the female front block 230 have, passing through them in the longitudinal direction, respective holes 222,232 with a female thread; said holes 222,232, once the blocks have been inserted into their respective seat 113,116, are arranged coaxially with further through-holes 18 formed in the die-holder 12.
  • a threaded bar 150 which is arranged inclined with respect to the longitudinal axis X-X and can be manoeuvred on the front side of the die-holder and which is designed to engaged with the respective female threads of the two said inserts 220,230 so that operation of the screw in one direction or the other causes displacement, simultaneously and in the same manner, of the two said inserts either towards the rear or towards the front of the die-holder.
  • both the rear seat 113 and front seat 116 of the die-holder 12 and the associated blocks 220,230 have sides which are parallel, but inclined with respect to the longitudinal axis of symmetry of the die-holder; on the other hand the associated projection 220b and seat 231 of each block are parallel to said axis of symmetry, since they have to allow engagement with the corresponding seat and projection on the bottom side of the tray.
  • the tray 40 may still be inserted into the die-holder by means of a translatory movement while resting on the base of the die-holder and subsequent operation of the threaded bar 150 causes a displacement, in the longitudinal direction, of the elements 220,230 and, consequently, a displacement of the tray 40 in the transverse direction in a sense ( Fig. 7a,7b ) depending on the sense of rotation of the bar 150, this movement in the transverse direction allowing precise adjustment of the position of the tray.
  • the configuration of the adjustment and locking devices described above is moreover particularly strong since it is achieved by inserting the anti-rotation means inside the tray 40, which allows all the resistive forces resulting from the precise insertion thereof into the die-holder to be used.
  • the means for adjusting the position of the tray 40 may also consist of two elements, i.e. rear element 320 and front element 330, which are arranged coaxial with each other and the threaded bar 150 which in this case is arranged parallel to the longitudinal axis of the die-holder and tray assembly.
  • the rotation of the threaded bar 150 in one direction or the other causes the simultaneous displacement in one direction or the other of the two inserts and therefore the displacement of the tray 40 in the transverse direction.
  • Fig. 9 shows a further embodiment of the front insert 420 and rear insert 430 which in this case are a mirror-image of each other; in this configuration the respective female threads have oppositely directed threading so that operation of the threaded bar 150 which is again arranged parallel to the longitudinal axis of the die-holder and tray assembly causes a symmetrical movement of the two inserts towards/away from each other and therefore the displacement in one sense or the other along the transverse direction Y-Y of the tray 40.
  • the threaded bar 150 In both cases ( Fig. 10 ) the threaded bar 150 must be associated with two sliders 151 mating with the respective front/rear insert so as to cause the desired movement of the said inserts.
  • the anti-rotation means have been illustrated positioned along the front edge of the die-holder and tray assembly, the position thereof in the longitudinal direction is not limiting and during practical implementation it will be taken into account that the greater the distance from the rear locking means the greater will be the resistance torque produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Forging (AREA)
  • Punching Or Piercing (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Processing Of Solid Wastes (AREA)
EP01202014A 2000-06-09 2001-05-28 Die-holder/tray assembly with anti-rotation means for die-forming machines Expired - Lifetime EP1162009B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200130894T SI1162009T1 (sl) 2000-06-09 2001-05-28 Sestav drĹľalo utopa/vloĹľek s sredstvi proti vrtenju v stroju za utopno kovanje

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI001305A IT1317810B1 (it) 2000-06-09 2000-06-09 Gruppo portastampo/cassetta con mezzi antirotazione per macchine distampaggio
ITMI001305 2000-06-09

Publications (3)

Publication Number Publication Date
EP1162009A2 EP1162009A2 (en) 2001-12-12
EP1162009A3 EP1162009A3 (en) 2003-05-21
EP1162009B1 true EP1162009B1 (en) 2008-10-29

Family

ID=11445238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01202014A Expired - Lifetime EP1162009B1 (en) 2000-06-09 2001-05-28 Die-holder/tray assembly with anti-rotation means for die-forming machines

Country Status (10)

Country Link
EP (1) EP1162009B1 (pt)
AT (1) ATE412478T1 (pt)
CZ (1) CZ303237B6 (pt)
DE (1) DE60136310D1 (pt)
ES (1) ES2313926T3 (pt)
HU (1) HU226155B1 (pt)
IT (1) IT1317810B1 (pt)
PL (1) PL199270B1 (pt)
PT (1) PT1162009E (pt)
SI (1) SI1162009T1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2303458B1 (es) * 2006-12-01 2009-03-16 Jesus Maria Vazquez Ferreira "portautiles de punzonar".
CN100491013C (zh) * 2007-09-29 2009-05-27 蔡体勇 冷镦机锁定模结构
CN105598332B (zh) * 2015-10-30 2017-10-17 上海明匠智能系统有限公司 一种伺服锻压系统
CN109759534B (zh) * 2019-01-10 2020-04-28 内蒙古科技大学 一种锻造模具装卡装置
CN111085609B (zh) * 2019-12-31 2021-06-08 常州机电职业技术学院 一种上下模分离的工装快速换模装置
CN112845892B (zh) * 2021-01-09 2023-05-09 杭州安友制罐有限公司 一种圆形铁皮包装盒成型加工系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA983325A (en) * 1972-05-08 1976-02-10 Robert J. Gargrave Press adapter system for standardizing die use
US5042352A (en) * 1990-06-04 1991-08-27 Strippit, Incorporated Quick change tool holder
US5269739A (en) * 1991-06-06 1993-12-14 Amada Engineering & Service Co., Inc. Tool changing apparatus for a turret punch press
US6109159A (en) * 1998-05-01 2000-08-29 Amada Mfg America, Inc. Turret punch press

Also Published As

Publication number Publication date
HUP0102386A2 (hu) 2002-01-28
CZ20012010A3 (cs) 2002-05-15
ITMI20001305A1 (it) 2001-12-09
PT1162009E (pt) 2008-11-26
CZ303237B6 (cs) 2012-06-13
PL347997A1 (en) 2001-12-17
ITMI20001305A0 (it) 2000-06-09
EP1162009A2 (en) 2001-12-12
SI1162009T1 (sl) 2009-04-30
DE60136310D1 (de) 2008-12-11
ATE412478T1 (de) 2008-11-15
HU226155B1 (en) 2008-05-28
ES2313926T3 (es) 2009-03-16
HUP0102386A3 (en) 2003-07-28
IT1317810B1 (it) 2003-07-15
HU0102386D0 (en) 2001-08-28
PL199270B1 (pl) 2008-09-30
EP1162009A3 (en) 2003-05-21

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