EP0676477B1 - Procédé et dispositif pour rabattre ou plier - Google Patents

Procédé et dispositif pour rabattre ou plier Download PDF

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Publication number
EP0676477B1
EP0676477B1 EP95105093A EP95105093A EP0676477B1 EP 0676477 B1 EP0676477 B1 EP 0676477B1 EP 95105093 A EP95105093 A EP 95105093A EP 95105093 A EP95105093 A EP 95105093A EP 0676477 B1 EP0676477 B1 EP 0676477B1
Authority
EP
European Patent Office
Prior art keywords
plate
recess
sizing
folding
base
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
EP95105093A
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German (de)
English (en)
Other versions
EP0676477A2 (fr
EP0676477A3 (fr
Inventor
Günter Stilgenbauer
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.)
Individual
Original Assignee
Individual
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25935324&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0676477(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0676477A2 publication Critical patent/EP0676477A2/fr
Publication of EP0676477A3 publication Critical patent/EP0676477A3/fr
Application granted granted Critical
Publication of EP0676477B1 publication Critical patent/EP0676477B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B11/00—Finishing the edges of leather pieces, e.g. by folding, by burning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/033—Magnet

Definitions

  • the invention relates to a device for wrapping or Buggen according to the preamble of claim 1.
  • edge sections of molded parts or cuts or provided coverings such as Shoe parts, suitcase handles, photo albums, diaries, Glasses cases, college folders or the like.
  • the edge section is folded over to the base area in the case of the Buggen of the molded part or blank and pressed with this glued or welded by pressing.
  • leather, synthetic leather, plastic or the like used.
  • the principle is basically also with any molded parts applicable where edge sections are bent.
  • a vacuum folding tool is known from DE 92 13 007 U1, in which the wrapping (folding) in a press frame with an upper tool and a lower tool. The required stroke and pressure is from the press body from above or applied below.
  • the bearing frame is also a spring-loaded one Platen added to the material to be transferred is launched.
  • By creating a vacuum in one Vacuum space becomes the support plate and the one lying on it material to be transferred down into the support frame pulled in so that the material to be transferred is turned by 90 ° is folded.
  • the top tool is from above fed, the material using a pressure beam is hammered in and glued.
  • a well-known buggy comprises a base plate on which a spring-mounted Format plate is arranged vertically.
  • the Format plate is formed a recess in the also slidable on the base plate via springs stored pressure plate is used, the dimensions of which are accurate the dimensions of the finished molded part or blank correspond.
  • a top tool is a bugg plate over Springs slidably mounted on a mounting plate.
  • the protruding beyond the Buggplatte Edge sections of the molded part or blank are at Press down the pressure plate on the edge of the recess bent over in the mold plate so that it runs along the peripheral wall the recess essentially vertically upwards stand.
  • the upper tool is pressed down further the upstanding edge portions of the molding or Cut through the around the recess in the bugg plate trained projection on the base of the Part or blank bent and by one at the Mounting plate attached ring-shaped edge stamp, the between the edge of the recess in the bugg plate and the Pressure stamp is arranged on the base of the molding or pressed blank.
  • the pressure plate pushing down Stamp of the upper tool because of that for the edge to be released edge to be released can attack the entire surface of the pressure plate is straight in the edge areas of the printing plate, which are important for bending clear guidance of the bent edge sections not possible, so that there is an uneven bending can come.
  • the main disadvantage of the known buggy tools is, however, that the printing plate, the format plate, the Buggplatte and the pressure stamp of the upper tool for each Molding must be precisely matched, so that at a change in the shape or dimensions of the item to be transferred Subject the entire bug tool to be replaced got to.
  • buggening in a large number different objects of different sizes is used due to the many necessary complete tools causes considerable costs.
  • four spring levels of the base plate, the format plate, the bugg plate and the printing stamp be coordinated, which is also very expensive is.
  • the object of the invention is therefore a device of type mentioned in such a way that a easier retrofitting of the buggy machine to other molded parts or cut shapes is made possible.
  • the conversion of the buggy machine when changing over to others Workpiece shapes is additionally facilitated in that the Pressure plate on at least one particularly resilient on the Basic tool mounted stamp is arranged vertically is movable.
  • the buggy device according to the invention need to adapt to other shapes or dimensions of the Shaped parts or blanks only the format plate that Pressure plate and the bugg plate are exchanged while the basic tool and the mounting plate for different Workpiece shapes can be used.
  • the lowering of the base plate is a further training Invention facilitated in that in the basic tool a recess on the side facing the format plate is formed, on which the format plate to form a Chamber can be placed, and that the recess via a Vacuum line is connected to a vacuum source.
  • a vacuum in the chamber in the base tool the slidably mounted pressure plate into the recess the format plate is lowered until the vacuum with the force of the springs supporting the pressure plate are in balance.
  • the pressure plate When the pressure plate is lowered, it becomes on the pressure plate lying molded part or the blank pulled downwards, so that the edge portions projecting beyond the pressure plate up on the edge of the recess in the format plate be bent.
  • the vacuum also acts in the recess of the sliding gap on the material of the molded part or blank so that this is pulled down in the edge areas of the pressure plate and it is ensured that the base of the molding or Cut exactly corresponds to the base of the pressure plate.
  • the manufacture of the device according to the invention is thereby simplified that the basic tool a base plate and a Has intermediate plate, and that the recess in the Intermediate plate is formed.
  • the intermediate plate is vertical to the base plate displaceable and is preferably supported by springs on the base plate.
  • This compliant design of the Basic tool ensures that due to a Incorrect operation of the machine or the like. No excessive force the molding or blank is exercised that this could damage.
  • An end position can, for example, by Spacers are set between the intermediate plate and the base plate are arranged.
  • edge sections are preferred in embodiments the invention achieved in that the marginal edges of the Depression in the buggplatte one to the center of the buggplatte indicative slope or a concave radius. Due to the bevel or the radius, the edge sections led so that they turn inside.
  • the bugg plate held magnetically on the mounting plate.
  • the striking device shown in the drawing or Buggen of edge sections of molded parts, blanks or the intended remuneration essentially consists of a basic tool 1, a format plate 2, a printing plate 3, a bugg plate 4 and a mounting plate 5.
  • the basic tool 1 has a base plate 6 on which one Intermediate plate 7 is elastically supported by springs 8, wherein the intermediate plate 7 via guides 9 in the base plate 6 is led. On the side of the intermediate plate facing upwards 7 is formed in this a recess 10, the via a vacuum line 11 with a not shown Vacuum source is connected. In the intermediate plate 7 is in the middle a through opening 12 is formed, into which is sealed a vertically displaceable stamp 13 is inserted. The Stamp 13 is guided over guides 14 in the base plate 6 and is supported by springs 15 on the base plate 6.
  • the format plate 2 has guide openings in its edge regions 16, in the on the intermediate plate 7 of the basic tool 1 engage attached guide pin 17.
  • Downtown the format plate 2 a recess 18 is formed, the Dimensions exactly those of the base 27 of the finished Molding or blank 26 correspond.
  • To the recess 18 of the format plate 2 are on top of the Format plate 2 batten 19 arranged, their arrangement and distance the dimensions of the molded part or blank 26 correspond to the bending of the edge sections 25.
  • the pressure plate is in the recess 18 of the format plate 2 3 used, the dimensions of the pressure plate 3 those correspond to the recess 18 in the format plate 2 in such a way that the pressure plate 3 slidably in the recess 18 Format plate 2 is slidable.
  • the surface profile of the Pressure plate 3 corresponds to the negative profile of the one to be processed Molding or blank 26.
  • the bow plate 4 has guide openings at its edge regions 20 for guiding the push plate 4 in the guide pin 17 of the basic tool 1.
  • a recess 21 formed, the dimension of which is approximately that of the recess 18 in correspond to the format plate 2 and their marginal edges 22 easily are chamfered inwards or have a concave radius exhibit.
  • Recesses 23 formed, their arrangement and dimension in essential to the arrangement and dimensions of the contact strips 19 correspond to the format plate 2, so that the contact strips 19 when placing the push plate 4 in the recesses 23 be recorded and the Buggplatte 4 flush on the Format plate 2 can be placed.
  • the bugg plate 4 is, for example, via quick fasteners or Magnet 24 held on the mounting plate 5.
  • the format plate 2 on the intermediate plate 7 of the Basic tool 1 In the starting position of the pushing device shown in FIG. 2a is the format plate 2 on the intermediate plate 7 of the Basic tool 1. In doing so, the proper arrangement the format plate 2 on the basic tool 1 via the guide bolts 17 in the guide openings 16 of the format plate 2 intervene guaranteed.
  • the on the stamp 13 of the Basic tool 1 resting pressure plate 3 is in the Recess 18 of the format plate 2 used that the pressure plate 3 is flush with the format plate 2.
  • the on the Fastening plate 5 held bugg plate 4 is in some Distance above the basic tool 1 and the format plate 2, see above that the blank 26 are placed on the pressure plate 3 can. This ensures the correct arrangement of the blank 26 guaranteed by the batten 19, between which the blank 26 is arranged.
  • Fig. 2a are the mounting plate 5 and to this attaching Buggplatte 4 shown at a distance from each other.
  • the bugg plate was decisive, was in Fig. 2b to 2d on a additional representation of the mounting plate 5 omitted.
  • the blank 26 resting on the printing plate 3, the Edge portions 25 protrude beyond the pressure plate 3, with the pressure plate 3 pulled down, causing the Edge portions 25 of the blank 26 along the edge of the Recess 18 of the format plate 2 is substantially vertical raise up. Because of the sliding fit of the pressure plate 3 in the recess 18 of the format plate 2 is not complete Sealing is achievable, the blank 26 is in the edge area the pressure plate 3 by the vacuum firmly in the resulting corner between the pressure plate 3 and the recess 18 of the format plate 2 pulled so that the blank 26 exactly reaches the desired footprint of the finished workpiece.
  • the bugg plate 4 is now on the format plate 2 placed, the Buggplatte 4 also by the Guide bolt 17 of the basic tool 1 is guided.
  • the recess 21 are those that protrude beyond the format plate 2 Edge sections 25 of the blank 26 inwards bent over.
  • the bugg plate 4 no further down pressed, but instead the stamp 13 with the Pressure plate 3, for example, hydraulically pushed up so that the Pressure plate 3 passes through the recess 18 of the format plate 2 and in the region of the recess 21 against the push plate 4 creates.
  • This also makes the bent edge sections 25 of the blank 26 on the base 27 of the Blank 26 pressed.
  • the Buggplatte and / or the Pressure plate 3 are heated.
  • Blanks 26 or printing plates 3 do not perform to reduce the vacuum pump shown can in the Recess 10 of the intermediate plate 7 of the basic tool 1 frame 28 be inserted according to the adjusted size, so that volume to be evacuated is kept as low as possible.
  • the parts of the Bending device attached to the workpiece to be machined must be adapted, that is, the format plate 2, the printing plate 3 and the Buggplatte 4, easily replaceable by the Format plate 2 from the guide bolts 17 of the basic tool 1 and the pressure plate 3 can be removed from the stamp 13 and the Buggplatte 4 by unlocking the quick release or turning off the magnet 24 from the mounting plate 5 is solved.
  • the format plate 2, the printing plate 3 and the Buggplatte 4 easily replaceable by the Format plate 2 from the guide bolts 17 of the basic tool 1 and the pressure plate 3 can be removed from the stamp 13 and the Buggplatte 4 by unlocking the quick release or turning off the magnet 24 from the mounting plate 5 is solved.
  • After removing the to a certain Workpiece shape adapted plates 2, 3, 4 can counter this corresponding other plates 2, 3, 4 are exchanged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Claims (11)

  1. Dispositif pour replier ou rabattre les bords (26) de pièces formées, de découpes ou de revêtements (26) prévues pour ceux-ci, en cuir, similicuir, matières synthétiques ou un équivalent, avec une plaque de format (2) présentant un évidement (18) dans lequel est insérée une plaque de butée (3), les dimensions de l'évidement (18) de la plaque de format (2) correspondant à celles de la pièce formée ou de la découpe (26) finie ou d'une partie de celle-ci, avec un outil de base (1) pour recevoir la plaque de format (2) et la plaque de butée (3), la plaque de butée (3) insérée dans l'évidement (18) de la plaque de format (2) étant de préférence montée de façon élastique sur l'outil de base (1) et pouvant coulisser verticalement par rapport à la plaque de format (2) et l'outil de base (1), et avec un outil supérieur, des bordures (22) étant formées sur la surface de l'outil supérieur dirigée vers la plaque de format (2) pour replier les bords (25) de la pièce formée, de la découpe ou du revêtement (26) et qui peut être déplacé verticalement par exemple par un dispositif pneumatique ou hydraulique, la plaque de butée (3) pouvant être introduite depuis le coté de l'outil de base (1) dans l'évidement (18) de la plaque de format (2), caractérisé en ce que l'outil supérieur présente une plaque pour replier ou rabattre (4) et une plaque de fixation (5) et en ce que la plaque pour replier (4) peut être fixée sur la plaque de fixation (5) au moyen de fermetures à changement rapide, la plaque pour replier (4) pouvant être positionnée sur la plaque de format (2).
  2. Dispositif selon la revendication 1, caractérisé en ce que la plaque de butée (3) est placée sur au moins un coussin (13) monté de façon élastique en particulier sur l'outil de base (1), ledit coussin (13) coulissant verticalement par rapport à l'outil de base (1).
  3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce qu'un évidement (10) est formé dans l'outil de base (1), sur la face dirigée vers la plaque de format (2), sur lequel la plaque de format (2) peut être positionnée pour former une chambre, et en ce que l'évidement (10) est relié par une conduite de vide (11) à une source de vide.
  4. Dispositif selon la revendication 3, caractérisé en ce qu'un cadre (28) peut être inséré dans l'évidement (10) de l'outil de base (1).
  5. Dispositif selon la revendication 3 ou 4, caractérisé en ce que l'outil de base (1) présente une plaque de base (6) et une plaque intermédiaire (7), et en ce que l'évidement (10) est formé dans la plaque intermédiaire (7).
  6. Dispositif selon la revendication 5, caractérisé en ce que la plaque intermédiaire (7) peut coulisser verticalement par rapport à la plaque de base (6) et qu'elle s'appuie de préférence au moyen de ressorts (8) sur la plaque de base (1).
  7. Dispositif selon l'une des revendications, caractérisé en ce qu'un renfoncement (21) est formé sur la face de la plaque pour replier (4) dirigée vers la plaque de format (2) dont les bordures (22) servent à replier les bords (25) des pièces formées ou des découpes (26).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que des bordures de positionnement (19) sont placées sur la plaque de format (2) et en ce que des évidements (23) sont formés sur la face de la plaque pour replier (4) dirigée vers la plaque de format (2) dans lesquels les bordures de positionnement (19) sont reçues lorsque la plaque pour replier (4) est posée sur la plaque de format (3).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que les bords (22) du renfoncement (21) dans la plaque pour replier (4) présentent une inclinaison ou un rayon concave dirigé vers le centre de la plaque pour replier (4).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que la plaque pour replier (4) est maintenue à l'aide d'aimants sur la plaque de fixation (5).
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que la plaque pour replier (4) et / ou la plaque de butée (3) peuvent être chauffées.
EP95105093A 1994-04-05 1995-04-05 Procédé et dispositif pour rabattre ou plier Expired - Lifetime EP0676477B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4411500 1994-04-05
DE4411500A DE4411500C2 (de) 1994-04-05 1994-04-05 Verfahren und Vorrichtung zum Einschlagen oder Buggen
US08/415,813 US5593700A (en) 1994-04-05 1995-04-03 Folding apparatus and folding method

Publications (3)

Publication Number Publication Date
EP0676477A2 EP0676477A2 (fr) 1995-10-11
EP0676477A3 EP0676477A3 (fr) 1997-01-08
EP0676477B1 true EP0676477B1 (fr) 2001-08-29

Family

ID=25935324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105093A Expired - Lifetime EP0676477B1 (fr) 1994-04-05 1995-04-05 Procédé et dispositif pour rabattre ou plier

Country Status (3)

Country Link
US (1) US5593700A (fr)
EP (1) EP0676477B1 (fr)
DE (1) DE4411500C2 (fr)

Families Citing this family (17)

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US6298896B1 (en) 2000-03-28 2001-10-09 Northrop Grumman Corporation Apparatus for constructing a composite structure
US6592351B2 (en) 2001-01-22 2003-07-15 Crane Plastics Company Llc Turret loading device for extrusion line
NL1023365C2 (nl) * 2003-05-08 2004-11-09 Fountain Patents B V Werkwijze en inrichting voor het vervaardigen van voertuigonderdelen.
AT501177B1 (de) * 2003-11-11 2009-02-15 Huebner Karl Heinz Dkfm Verfahren und vorrichtung zum einschlagen von flexiblen materialien
US20070063386A1 (en) * 2005-09-01 2007-03-22 Seaver Richard T Mold tool having movable core
US9149990B2 (en) * 2007-03-30 2015-10-06 Airbus Operations Gmbh Apparatus for the forming of a lay-up of fibre composite material
EP2576184B1 (fr) * 2010-06-03 2015-03-04 Cryovac, Inc. Plaque et appareil permettant de former un article creux à rebord en matière plastique
AU2012245500B2 (en) 2011-04-18 2015-12-17 Fyfe Co., Llc Expandable liner for the protection and strengthening of existing pipes
FR2987628B1 (fr) * 2012-03-01 2014-02-28 Vuitton Louis Sa Machine a remborder et son utilisation, procede de rembordage, levier de rembordage, ensemble d'un levier de rembordage et d'un corps de rembordage, kit de rembordage et support de rembordage
KR20170015926A (ko) 2014-06-16 2017-02-10 파이페 씨오. 엘엘씨 파이프의 보수
WO2016009361A1 (fr) 2014-07-14 2016-01-21 Fyfe Co. Llc Procédé de renforcement d'une conduite à l'aide d'un revêtement de conduite, conduite renforcée et procédé d'imperméabilisation d'une conduite renforcée
US9993992B2 (en) 2015-04-17 2018-06-12 Fyfe Co. Llc Structural fabric useful for lining pipe
ITUB20153493A1 (it) * 2015-09-09 2017-03-09 Gruppo Mecc Luciani S R L Attrezzatura per l'applicazione di borchie.
US10077855B2 (en) 2015-09-22 2018-09-18 Ina Acquisition Corp. Method of lining pipe with high strength liner, high strength liner, and pipe lined with high strength liner
US11173634B2 (en) 2018-02-01 2021-11-16 Ina Acquisition Corp Electromagnetic radiation curable pipe liner and method of making and installing the same
IT201800002439A1 (it) * 2018-02-06 2018-05-06 Fustellificio Toscano S A S Di Ugo Naldini & C Dispositivo e metodo per l'assemblaggio di portafogli
US10704728B2 (en) 2018-03-20 2020-07-07 Ina Acquisition Corp. Pipe liner and method of making same

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DE9213007U1 (de) * 1992-09-26 1993-01-14 Traut, Horst, 6570 Kirn Vakuum-Umbugwerkzeug
DE9405666U1 (de) * 1994-04-06 1994-06-01 Traut, Horst, 55606 Kirn Basis-Umbugwerkzeug mit pneumatic Druckpaket und auswechselbaren Teilen

Also Published As

Publication number Publication date
US5593700A (en) 1997-01-14
EP0676477A2 (fr) 1995-10-11
EP0676477A3 (fr) 1997-01-08
DE4411500A1 (de) 1995-11-02
DE4411500C2 (de) 1999-02-11

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