EP1136152A1 - Schieber und mit dem Schieber ausgerüsteter Führungsschlitten - Google Patents

Schieber und mit dem Schieber ausgerüsteter Führungsschlitten Download PDF

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Publication number
EP1136152A1
EP1136152A1 EP00105370A EP00105370A EP1136152A1 EP 1136152 A1 EP1136152 A1 EP 1136152A1 EP 00105370 A EP00105370 A EP 00105370A EP 00105370 A EP00105370 A EP 00105370A EP 1136152 A1 EP1136152 A1 EP 1136152A1
Authority
EP
European Patent Office
Prior art keywords
cam
slider
metal mold
mold tool
cam slider
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.)
Granted
Application number
EP00105370A
Other languages
English (en)
French (fr)
Other versions
EP1136152B1 (de
Inventor
Masahiro Higuchi
Toshiyuki Yarimizu
Shoji Nemoto
Masahiro Shibata
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.)
Sankyo Oilless Industries Inc
Original Assignee
Sankyo Oilless Industries Inc
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 Sankyo Oilless Industries Inc filed Critical Sankyo Oilless Industries Inc
Priority to EP00105370A priority Critical patent/EP1136152B1/de
Priority to AT00105370T priority patent/ATE273089T1/de
Priority to ES00105370T priority patent/ES2223331T3/es
Priority to DE60012880T priority patent/DE60012880T2/de
Publication of EP1136152A1 publication Critical patent/EP1136152A1/de
Application granted granted Critical
Publication of EP1136152B1 publication Critical patent/EP1136152B1/de
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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape
    • 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
    • B21D37/10—Die sets; Pillar guides
    • B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies

Definitions

  • the present invention relates generally to a horizontal, suspension or inclined cam unit, which can be combined with a set of metal mold tools as used for example, in bending selected edges or ends of a car body frame, and particularly to a cam slider to be used in such a cam unit.
  • a large-sized metal plate is formed into a desired car body shape by pressing the metal plate between a stationary metal mold tool and a movable metal mold tool both aligned vertically.
  • a horizontal cam unit la is attached to the movable and stationary metal mold tools 20 and 24 to effect a required machining on the pressed product.
  • the horizontal cam unit la comprises a cam drive 21 and a cam slider 22.
  • the cam drive 21 has an oblique surface 21a formed on its end
  • the cam slider 22 has an oblique surface 22a, also.
  • the cam drive 21 is fixed to the upper movable metal mold tool 20, and the cam slider 22 is slidably fixed to the base 24 of the lower stationary metal mold tool with their oblique surfaces 21a and 22a laid on each other.
  • the cam slider 22 has a machining tool 23 (for example, a drill) fixed to its vertical side.
  • the movable metal mold tool 20 reciprocates up and down to move the cam slider 22 right and left, thereby performing a required machining on the side surface of the pressed product.
  • the cam slider 22 is spring-biased leftward all the time by a resilient body 26 such as a spring mounted to a guide pin 26, which is fixed to the stationary metal mold 24.
  • a resilient body 26 such as a spring mounted to a guide pin 26, which is fixed to the stationary metal mold 24.
  • a suspension cam unit comprises an upper cam holder 27, an intermediate cam slider 28 and a lower cam base 29, all of which are laid slidably on each other.
  • the upper cam holder 27 is fixed to the upper movable metal mold tool, and can be raised and lowered vertically as indicated by a double-headed arrow S1.
  • the raising and lowering of the upper cam holder 27 over the stroke S1 will cause the cam slider 28 to move different strokes S2 and S3 in predetermined directions as indicated by double-headed arrows S2 and S3.
  • the lower cam base 29 is fixed to the stationary metal mold tool to allow the cam slider 28 to perform a required cam action.
  • the cam holder 27 has a guide pin 31 fixed thereto whereas the cam slider 28 has a resilient member 30 contained in its recess.
  • the resilient member 30 is supported by the guide pin 31 to apply a resilient force to the cam slider 28, thereby making the cam slider 28 to return to its original position after performing the required cam action.
  • the spring 26 is fitted on the spring guide pin 26a which is fixed to the base 24 of the stationary metal mold tool, and the spring 26 abuts the vertical side of the cam slide 22 to apply its resilient force to the cam slider 22.
  • the base 24 of the stationary metal mold tool needs to be so modified as to position the spring guide pin 26a and the spring 26 at an oblique angle as desired.
  • the base 24 is massive, and it costs much to make and store a number of massive objects each permitting a selected machining tool to be attached at a desired oblique angle.
  • a large warehouse space is required for storing such massive articles.
  • guide pins 26a and springs 26 be kept in custody at a different place other than the warehouse in which the massive articles are stored.
  • a selected guide pin and associated spring need to be attached to the base 24 and the cam slider 22 in exactly correct positions. This requires a skilful and tedious work; if such resilient parts are fixed a minimum amount apart from the correct position, the cam slider cannot move smoothly.
  • the cam slider 22 has no resilient member equipped therewith for permitting it to automatically return to its original position, and therefore, such cam slider cannot be readily applied to a pressing metal mold tool for shaping car bodies or to any other inclined machining apparatus. Stated otherwise, such cam sliders are reserved for exclusive use, and therefore, they cannot be marketed as separate parts for non-exclusive use.
  • the cam holder 27 is designed to have a guide pin 31 fixed thereto, and therefore, the cam unit has same defects as described above.
  • One object of the present invention is to provide an improved cam unit which is free of such defects as described above.
  • a cam slider in a cam unit to be fixed to a stationary metal mold tool and a movable metal mold tool for machining a pressed product is improved according to the present invention in that the cam slider is equipped with a resilient member to allow the cam slider to return to its original position subsequent to the cam action and a counter member to the resilient member.
  • a cam unit to be fixed to a stationary metal mold tool and a movable metal mold tool for machining a pressed product comprising a cam driver to be fixed to one of the metal mold tools, a cam slider laid on the cam driver to be driven in a predetermined direction by the cam driver, and a cam holder laid on the cam slider to be fixed to the other metal mold tool, is improved according to the present invention in that the cam slider is equipped with a resilient member to allow the cam slider to return to its original position subsequent to the cam action and a counter member to the resilient member.
  • cam slider according to the present invention can be marketed as a separate part for non-exclusive use.
  • the cam slider can be easily fixed to associated parts with bolts, provided that they have inclined surfaces to fit the cam slider, and that they have tapped holes for mounting the cam slider with bolts.
  • a cam unit according to the present invention can be readily fixed to stationary and movable metal mold tools with bolts, provided that such metal mold tools have tapped holes for mounting the cam unit with bolts.
  • the cam slider is laid between the lower cam driver and the upper cam holder, and it suffices that these cam driver and cam holder are so made as to have oblique surfaces inclined to give a desired machining angle to the cam slider, and that holes are made in the cam driver and the cam holder for bolting to the upper movable and lower stationary metal mold tools, thus requiring no precision machining work in producing such parts. Therefore, these parts can be ordered to be made by outsider manufacturers.
  • the cam holder has no guide pins for coiled springs and associated attachments, and accordingly it is simple in shape, small in size, and convenient for warehousing.
  • a cam unit 1 which is to be fixed to a stationary metal mold tool 24 and a movable metal mold tool 20 for machining a pressed product, comprises a cam driver 4 to be fixed to the stationary metal mold tool 24, a cam slider 3 obliquely laid on the cam driver 4 to be driven in a predetermined direction by the cam driver 4, and a cam holder 2 laid on the cam slider 3 to be fixed to the movable metal mold tool 20.
  • a base plate 5 is slidably sandwiched between the cam slider 3 and the cam holder 2. Specifically the base plate 5 is slidably mounted to the cam slider 3, and the base plate 5 is bolted to the cam holder 2 when the cam unit 1 is bolted to the stationary and movable metal mold tools 24 and 20.
  • the cam holder 2 is fixed to the upper movable metal mold tool 20 by inserting bolts in holes "a", and the cam driver 4 is fixed to the lower stationary metal mold tool 24 by inserting bolts in holes "b".
  • the slider body 3a has a "V"-shaped slide surface 3d formed on its bottom side (see Fig.4), on which the slider body 3a can slidably move on the underlying cam drive 4. Also, the slider body 3a has a tool-attaching surface on its front side, and the bottom surface of the base plate 5 is slidably laid on the top surface 3c of the slider body 3a.
  • the slider body 3a has forcedly returning followers 6 and 7 bolted to its opposite sides, thereby jerking the cam slider 3 toward the original position subsequent to the cam action.
  • the top surface 3c of the slider body 3a has holes 8 and 9 made in its center area for bolting a spring guide 10.
  • the cam slider 3 can be assembled by: putting the base plate 5 on the top surface 3c of the slider body 3a; inserting the longitudinal projection of the spring guide 10 in the center, longitudinal hole 5a of the base plate 5 until the longitudinal projection of the spring guide 10 has been put on the top surface 3c of the slider body 3a; and inserting bolts in the tapped holes 8 and 9 to fasten the spring guide 10 to the slider body 3a.
  • the base plate 5 is sandwiched between the top surface 3c of the slider body 3a and the spring guide 10, so that the base plate 5 is permitted to move slidably on the top surface 3c of the slider body 3a.
  • An upright guide pin block 11 is bolted to the front (left in Fig.4) end of the base plate 5.
  • One end of a guide pin rod 12 abuts on the guide pin block 11.
  • a spring 13 and an annular washer 14 are attached to the guide rod 12, and these are fitted in the inner cavity 10a of the spring guide 10.
  • the washer 14 is pushed against the inner wall of the "U"-shaped slot 10b of the spring guide 10.
  • the guide pin rod 12 extends through the U-shaped slot 10b of the spring guide 10, and the other end of the guide pin rod 12 abuts on an L-shaped piece 15, which is bolted to the top surface of the base plate 5. Finally the forcedly returning followers 6 and 7 are bolted to the opposite sides of the slider body 3a.
  • the cam slider 3 thus assembled permits the slider body 3a to return to its original position by the spring 13, which exerts a pushing force to the slider body 3a via the spring guide 10 and washer 14 as a counter action to the guide pin block 11.
  • the cam slider 3 is equipped with the spring 13, which permits the cam slider body 3a to return to its original position subsequent to the cam action.
  • the base plate 5 and guide pin block 11 as a counter part to the spring 13 is provided in the cam slider 3, and therefore, the so designed cam slider 3 can be handled as a separate, independent article to be stored and marketed.
  • the cam holder 2 and the cam drive 4 can be easily combined with the cam slider 3 simply by using bolts to provide a complete cam unit 1 as shown in Fig.1. All of the spring guide 10, guide pin block 11, guide pin rod 12, spring 13 and retainer piece 15 are confined within the inner cavity of the cam holder 2, and the bottom surface of the cam holder 2 is laid on the top surface of the base plate 5 in exact registration with the aid of square projections 5b (see Fig.3).
  • Cam holders 2 and cam drives 4 are made to have different oblique sides to meet occasional demands for different machining angles say 5, 10 or 20 degrees and for fitting on different types of metal mold tools.
  • a cam unit 1 can be built to be most appropriate for use in the metal mold tool combination by selecting appropriate ones among those different cam holders 2, cam drives 4 and cam sliders 3 and by bolting the so selected cam slider 3 to the so selected cam holder 2 and cam drive 4. Then, the so built cam unit 1 is set on the upper movable and lower stationary mold tools 20 and 24.
  • the rising and lowering of the movable metal mold tool 20 causes the machining tool-bearing slider body 3a to move in a predetermined direction to effect a required machining on a semi-fabricated product.
  • the rising of the movable metal mold tool permits the slider body 3a to return to its original position.
  • the cam slider 3 described above includes the return spring 13, the counter base plate 5, the spring guide 10 and the guide pin block 11 along with associated parts, such as the guide pin rod 12 and the retainer piece 15.
  • the spring guide 10, the guide pin block 11, the retainer piece 15 and other parts may be modified or replaced by some appropriate equivalents.
  • the cam slider is described as being used in a suspension cam unit, but it can be equally used in a horizontal or inclined cam unit.
EP00105370A 2000-03-17 2000-03-17 Schieber und mit dem Schieber ausgerüsteter Führungsschlitten Expired - Lifetime EP1136152B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP00105370A EP1136152B1 (de) 2000-03-17 2000-03-17 Schieber und mit dem Schieber ausgerüsteter Führungsschlitten
AT00105370T ATE273089T1 (de) 2000-03-17 2000-03-17 Schieber und mit dem schieber ausgerüsteter führungsschlitten
ES00105370T ES2223331T3 (es) 2000-03-17 2000-03-17 Corredera de leva y unidad de leva que la utiliza.
DE60012880T DE60012880T2 (de) 2000-03-17 2000-03-17 Schiebergleitstück und Schiebereinheit, in der das Schiebergleitstück verwendet wird

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00105370A EP1136152B1 (de) 2000-03-17 2000-03-17 Schieber und mit dem Schieber ausgerüsteter Führungsschlitten

Publications (2)

Publication Number Publication Date
EP1136152A1 true EP1136152A1 (de) 2001-09-26
EP1136152B1 EP1136152B1 (de) 2004-08-11

Family

ID=8168090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105370A Expired - Lifetime EP1136152B1 (de) 2000-03-17 2000-03-17 Schieber und mit dem Schieber ausgerüsteter Führungsschlitten

Country Status (4)

Country Link
EP (1) EP1136152B1 (de)
AT (1) ATE273089T1 (de)
DE (1) DE60012880T2 (de)
ES (1) ES2223331T3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1764168A1 (de) * 2005-09-20 2007-03-21 Fibro GmbH Schieberanordnung für einen Luftnockenaufbau
ITTO20090286A1 (it) * 2009-04-14 2010-10-15 Omcr S R L Camma aerea per stampi
FR2963259A1 (fr) * 2010-07-29 2012-02-03 Peugeot Citroen Automobiles Sa Outil de presse d'emboutissage pour la mise en forme d'une piece de tolerie
EP1197319B2 (de) † 2000-10-13 2013-02-13 voestalpine Giesserei Linz GmbH Keiltrieb
CN104096769A (zh) * 2014-07-23 2014-10-15 优德精密工业（昆山）股份有限公司 一种耐用斜楔机构

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007012657A1 (de) 2007-03-16 2008-09-18 Wilhelm Karmann Gmbh Werkzeug zur Umformung einer Platine
DE202011108083U1 (de) 2011-11-21 2013-02-26 Bernd Klug Vorrichtung mit zumindest einer Einrichtung zum Einstellen eines Führungsspiels
WO2014090264A1 (de) 2012-12-13 2014-06-19 Bernd Klug Vorrichtung mit zumindest einer einrichtung zum einstellen eines führungsspiels
DE202015106966U1 (de) 2015-12-21 2016-01-28 Harald Weigelt Keiltrieb

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881599A (en) * 1995-07-31 1999-03-16 Oiles Corporation Cam for press die
US5904064A (en) * 1997-02-25 1999-05-18 Sankyo Oilless Industry, Inc. Cam assembly for use in a pressing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881599A (en) * 1995-07-31 1999-03-16 Oiles Corporation Cam for press die
US5904064A (en) * 1997-02-25 1999-05-18 Sankyo Oilless Industry, Inc. Cam assembly for use in a pressing machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1197319B2 (de) † 2000-10-13 2013-02-13 voestalpine Giesserei Linz GmbH Keiltrieb
EP1764168A1 (de) * 2005-09-20 2007-03-21 Fibro GmbH Schieberanordnung für einen Luftnockenaufbau
DE102005044951B4 (de) * 2005-09-20 2011-09-15 Fibro Gmbh Schieberanordnung
ITTO20090286A1 (it) * 2009-04-14 2010-10-15 Omcr S R L Camma aerea per stampi
EP2241387A1 (de) * 2009-04-14 2010-10-20 OMCR S.r.l. Luftnockenaufbau für Umformwerkzeuge
FR2963259A1 (fr) * 2010-07-29 2012-02-03 Peugeot Citroen Automobiles Sa Outil de presse d'emboutissage pour la mise en forme d'une piece de tolerie
CN104096769A (zh) * 2014-07-23 2014-10-15 优德精密工业（昆山）股份有限公司 一种耐用斜楔机构

Also Published As

Publication number Publication date
ATE273089T1 (de) 2004-08-15
DE60012880D1 (de) 2004-09-16
EP1136152B1 (de) 2004-08-11
DE60012880T2 (de) 2005-01-05
ES2223331T3 (es) 2005-03-01

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