EP0090621A2 - Combinaison de matrice et structures de support de matrice - Google Patents

Combinaison de matrice et structures de support de matrice Download PDF

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Publication number
EP0090621A2
EP0090621A2 EP83301693A EP83301693A EP0090621A2 EP 0090621 A2 EP0090621 A2 EP 0090621A2 EP 83301693 A EP83301693 A EP 83301693A EP 83301693 A EP83301693 A EP 83301693A EP 0090621 A2 EP0090621 A2 EP 0090621A2
Authority
EP
European Patent Office
Prior art keywords
die
dies
platens
shoes
supports
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.)
Withdrawn
Application number
EP83301693A
Other languages
German (de)
English (en)
Other versions
EP0090621A3 (fr
Inventor
Peter Grefe
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.)
SPS Technologies LLC
Original Assignee
Shur Lok Corp
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 Shur Lok Corp filed Critical Shur Lok Corp
Publication of EP0090621A2 publication Critical patent/EP0090621A2/fr
Publication of EP0090621A3 publication Critical patent/EP0090621A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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 invention set forth in this specification pertains to the combination of a set of dies and a set of support structures serving to hold such dies so that they may be utilised. More specifically the present invention pertains to a new and improved manner of mounting or connecting such dies in such support structures so that they are in precise alignment.
  • die This word is related to the expression "die shoes”, “die sets”, “die sections” and “die plates”.
  • die is intended to designate tool or mould which is employed in connection with the manufacturing operation to either impart shape to or to greate an impression within a specific material.
  • a single die is normally utilised. The present invention is not concerned with the use of such a single die.
  • the dies of a set of dies as indicated in the preceding may be separately mounted upon different supports of a set of supports forming a part of or mounted on an appropriate piece of equipment constructed so that either one of the dies is capable of being moved towards the other or so that both of the dies can be concurrently moved towards one another.
  • the latter is particularly prevelant in connection with inorganic type compositions such as are utilised in forming parts from metal powders.
  • Most commonly such supports are referred to as "platens”. On occasion they are also referred to as plates, movable members and the like.
  • one support of a set of such supports will be referred to as an "anvil” while the other will be referred to as a "ram” or "hammer”.
  • die set is utilised to designate two plates or similar holding structures connected by alignment rods on one of these members fitting within guide bushings or sleeve like members on the other of the bearings.
  • Such rods and bushings or bearings are intended to make sure that only linear relative movement can occur between the two plates used.
  • dies or the operative forming parts of die sets are normally mounted on such plates so as to be moved as they are moved. These plates or similar structures are commonly referred to as "die shoes" because of the function they serve. Normally, the die shoes of such a set will be mounted on supports, such as platens, which are also connected by a guide means or other mechanisms assuring that only linear movement can take place as one support is moved toward the other or as both supports are moved toward one another.
  • die set is also utilised to designate elements which are mounted upon such die shoes.
  • Such elements include a sub-plate or a retainer plate positioned directly against a die shoe and a die plate or a die section located directly upon such a sub-or retainer plate. On occasion such a sub- or retainer plate is omitted.
  • one of the die sections or plates used in such a die set is referred to as a male die while the other is referred to as a female die.
  • each die plate may have one or more ,elements both capable of fitting into a cavity within the other die plate or of receiving an element on the other die plate.
  • die sections or plates may be mounted directly upon supports as noted in the preceding.
  • die set is sometimes utilised to designate a composite structure including platens and/or die shoes, sub-plates and die sections or die plates.
  • die sets is not intended to designate any such composite structure, but is intended to designate the actual elements which are normally mounted only on die shoes, or on occasion on platens or related supports. This terminology is utilised since a set of die shoes is normally considered to be used for the purpose of supporting or holding the actual forming dies - the die sections or plates - even when such die shoes are attached or secured to platens, plates or other supporting structures.
  • dies or die sections or plates upon die shoes, platens or other similar or related structures is quite important. Normally the dies of a set are constructed so that they must fit quite precisely relative to one another as either one die is moved towards the other or as both dies are moved toward one another. Normally, die sections or plates are constructed so that if there is even a very slight amount of misalignment between them damage will occur during such relative motion. As a consequence of this the mounting of die sections or plates is quite critical in many different specific type forming operations.
  • the principal method of mounting a set of dies involves the use of quite accurately formed sets of holes of the identical diameters in both a die section or plate, any sub-plate or retaining plate used and any appropriate support, such as, for example, a platen or die shoe.
  • an accurately formed pin is used in such aligned holes for the purpose of preventing shifting of the parts traversed by the pin so as to make sure that the die sections or plates are held so as to be aligned in an intended manner.
  • each of said connecting means including a hole extending through the die with which it is associated and another aligned hole in the adjacent support upon which it is located, each of said connecting means also including an expandable diameter fastener means having a generally cylindrical shank capable of being manipulated so as to expand to different diameters at different points along its length fitting tightly within said aligned holes of the connecting means of which it forms a part.
  • a combination die and die support structure 10 of the present invention which, within the broad scope of the invention, includes two spaced, parallel platens 12. These platens 12 are adapted to be moved toward and away from one another as the complete combined die and die support structure 10 of the.present invention is used. The precise means of moving such platens 12 will vary to a significant extent depending upon the nature of the machine (not shown) within which such platens 12 are used. For this reason no effort is made in this specification to specifically illustrate or describe any specific structure for moving these platens 12. These platens 12 are shown as being connected by a schematically illustrated conventional mechanism 14 which could be any known mechanism for this purpose.
  • These platens 12 are normally utilised with a set of die shoes consisting of two separate shoes 15 and 16. These shoes 15 and 16 are adapted to be mounted upon the platens 12 in any conventional manner such as, for example, through the use of conventional bolts 18 or other similar fasteners (not shown).
  • One of the die shoes 15 carries upwardly extending alignment rods 20 which fit within guide bushings or sleeve bearings 22 carried by the other die shoe 16. These rods 20 and the bushings 22 connect the shoes 15 and 16 in such a manner that these shoes 15 and 16 can only be moved linearly with respect to one another as the platens 12 are moved in a corresponding manner.
  • These shoes 15 and 16 are adapted to support and carry a set 24 of the dies 26 and 36.
  • One of these dies 26 includes a sub-plate 28 which primarily serves to support a die plate or section 30 on the platen 12 upon which it is located. These two plates 28 and 30 are normally attached to one another as, for example, by brazing or the like so as to serve as an integral unit.
  • the die plate 30 may carry any desired number of projecting male elements 32 which are adapted to fit within corresponding cavities 34 in the second die 36. Because the presence of these elements 32 the die 26 may be referred to as a male die. Because of the presence of the cavities 34 this die 36 may be referred to as a female die.
  • the die 36 may also be'referred co as an anvil because normally a lower die in a machine remains stationary in much the manner in which an anvil is used by a blacksmith as a piece of metal is formed over the anvil.
  • the die 36 includes a sub-plate 38 corresponding to the sub-plate 28 previously described and a die plate 40 corresponding to the previously described die plate 30. These plates 38 and 40 are adapted to be secured together so that they may be handled and used as an integral unit in any manner used to secure the plates 28 and 30 to one another.
  • Each of these connecting means 42 includes a cylindrical hole 44 in a die 26 or 36 and an aligned cylindrical hole 46 in a die shoe 15 or 16.
  • Each hole 44 and the adjacent hole 46 constitutes a set (not shown) of such holes.
  • these holes 44 and 46 of each set of adjacent holes 44 and 46 are of approximately the same diameter. It is important to note that with the present invention these holes 44 and 46 need not be of exactly the same diameter.
  • the connecting means 42 associated with the die 26 and the adjacent shoe 15 also utilises a fastener 48 as indicated in Fig. 5 of the drawing.
  • Each connecting means 42 associated with the die 36 and its adjacent die shoe 16 utilises a fastener 50 as indicated in Fig. 6 of the drawing.
  • These fasteners 48 and 50 are preferably constructed in the manner indicated in U.S. Patent Specification No. 3192820, issued July 6, 1965 entitled “Quick Release Pin". Except as hereinafter indicated the fasteners 48 and 50 are substantially identical in construction. Prior to their use both of these fasteners,48 and 50 are of a generally cylindrical configuration.
  • Each of these fasteners 48 and 50 includes a centrally located support shaft or shank 52 having a bullet-like enlarged end 54 which is adapted to facilitate insertion of a fastener 48 or 50 into a hole such as the hole 44.
  • a plurality of spaced collars 56 each having sloping outer walls 58 are located around the shank 52. These in turn are surrounded by split rings 60 having generally cylindrical exteriors 62 and interior sloping walls 64 which are adapted to be fit against the walls as shown. These walls 64 are adapted to coact with the walls 58 when the collars 56 are moved generally toward one another so as to expand the rings 60.
  • a flanged nut-like sleeve 66 is fitted around the shank 52 in such a manner that when a nut 68 threaded on the shank 52 is manipulated the sleeve 66 will apply pressure to the adjacent collar 56. This will, of course, apply pressure to the sleeve 66 so as to ultimately result in an outward expansion of the rings 60.
  • the individual rings 60 will expand to varying extents so as to conform to the interiors of the holes 44 and 46.
  • corresponding expansion is achieved by the manipulation of an elongated handle 70 mounted upon a cross shaft 72 threaded on the shank 52.
  • This handle 70 carries lower cam surfaces which are adapted to press against a flanged collar 76 taking the place of the sleeve 66 so as to cause expansion as previously indicated.
  • fasteners 48 and 50 can expand to different extents along their lengths so as to closely conform to variations in the internal diameters of the holes 44 and 46 these fasteners are capable of compensating for minor variations in internal diameters in the holes 44 and 46 provided that the axes (not shown) of the holes 44 and 46 of any set of such holes 44 and 46 are aligned. This is considered to be quite important since it makes it possible to dispense with precisely dimensioned alignment pins as were previously used in conjunction with precisely dimensioned holes.
  • the use of the fasteners 48 and 50 is important in other respects. These fasteners 48 and 50 serve as alignment and serve to hold and secure the dies 26 and 36 in place on the platens 12. Further, because of the nature of these fasteners 48 and 50 they may be easily and quickly manipulated so that individual dies 26 and 36 may be replaced or exchanged with minimal difficulty.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP83301693A 1982-03-29 1983-03-25 Combinaison de matrice et structures de support de matrice Withdrawn EP0090621A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36327482A 1982-03-29 1982-03-29
US363274 1982-03-29

Publications (2)

Publication Number Publication Date
EP0090621A2 true EP0090621A2 (fr) 1983-10-05
EP0090621A3 EP0090621A3 (fr) 1985-01-16

Family

ID=23429567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83301693A Withdrawn EP0090621A3 (fr) 1982-03-29 1983-03-25 Combinaison de matrice et structures de support de matrice

Country Status (2)

Country Link
EP (1) EP0090621A3 (fr)
ES (1) ES521052A0 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU619162B3 (en) * 1991-04-23 1991-11-15 M W Trading Aps Lock mechanism
CN115229016A (zh) * 2022-07-22 2022-10-25 江苏恒大风机有限公司 一种空调加工用冲压装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801490A (en) * 1930-01-04 1931-04-21 Monroe Calculating Machine Means for setting dies ? presses
US2433617A (en) * 1946-08-03 1947-12-30 Newman M Marsilius Removable guide pin
US2573928A (en) * 1948-05-20 1951-11-06 Oskar E Peter Clamping system
US3192820A (en) * 1961-01-16 1965-07-06 Paul Gross Quick release pin
DE1527066A1 (de) * 1957-07-31 1970-01-08 Frank Dipl Ing Rudolf Rundschalttisch fuer Schalttischautomaten
US4103574A (en) * 1974-08-01 1978-08-01 Greer H William Tool assembly, method of manufacture and components thereof
US4143574A (en) * 1975-12-15 1979-03-13 Fribosa Ltd. Stamping device for a fineblanking press

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801490A (en) * 1930-01-04 1931-04-21 Monroe Calculating Machine Means for setting dies ? presses
US2433617A (en) * 1946-08-03 1947-12-30 Newman M Marsilius Removable guide pin
US2573928A (en) * 1948-05-20 1951-11-06 Oskar E Peter Clamping system
DE1527066A1 (de) * 1957-07-31 1970-01-08 Frank Dipl Ing Rudolf Rundschalttisch fuer Schalttischautomaten
US3192820A (en) * 1961-01-16 1965-07-06 Paul Gross Quick release pin
US4103574A (en) * 1974-08-01 1978-08-01 Greer H William Tool assembly, method of manufacture and components thereof
US4143574A (en) * 1975-12-15 1979-03-13 Fribosa Ltd. Stamping device for a fineblanking press

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU619162B3 (en) * 1991-04-23 1991-11-15 M W Trading Aps Lock mechanism
CN115229016A (zh) * 2022-07-22 2022-10-25 江苏恒大风机有限公司 一种空调加工用冲压装置
CN115229016B (zh) * 2022-07-22 2023-08-18 江苏恒大风机有限公司 一种空调加工用冲压装置

Also Published As

Publication number Publication date
EP0090621A3 (fr) 1985-01-16
ES8403338A1 (es) 1984-03-16
ES521052A0 (es) 1984-03-16

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