EP0797938B1 - Maschine für die Herstellung von Schuhen - Google Patents

Maschine für die Herstellung von Schuhen Download PDF

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Publication number
EP0797938B1
EP0797938B1 EP96830157A EP96830157A EP0797938B1 EP 0797938 B1 EP0797938 B1 EP 0797938B1 EP 96830157 A EP96830157 A EP 96830157A EP 96830157 A EP96830157 A EP 96830157A EP 0797938 B1 EP0797938 B1 EP 0797938B1
Authority
EP
European Patent Office
Prior art keywords
machine
shoe last
support means
projector
pad
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
EP96830157A
Other languages
English (en)
French (fr)
Other versions
EP0797938A1 (de
Inventor
Carlo Bianchi
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.)
Officine Meccaniche Molina and Bianchi SpA
Original Assignee
Officine Meccaniche Molina and Bianchi SpA
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 Officine Meccaniche Molina and Bianchi SpA filed Critical Officine Meccaniche Molina and Bianchi SpA
Priority to AT96830157T priority Critical patent/ATE225615T1/de
Priority to ES96830157T priority patent/ES2183926T3/es
Priority to DE69624219T priority patent/DE69624219T2/de
Priority to EP96830157A priority patent/EP0797938B1/de
Priority to PT96830157T priority patent/PT797938E/pt
Priority to BR9700763A priority patent/BR9700763A/pt
Publication of EP0797938A1 publication Critical patent/EP0797938A1/de
Application granted granted Critical
Publication of EP0797938B1 publication Critical patent/EP0797938B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D21/00—Lasting machines
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D119/00—Driving or controlling mechanisms of shoe machines; Frames for shoe machines

Definitions

  • the present invention relates to a machine for producing footwear according to the preamble of claim 1.
  • Document DE-C-646383 discloses a machine for producing footwear comprising support means on which a shoe last is positioned, to which is attached an insole and over which is laid an upper, a projector that emits a beam of light towards the said support means so as to mark a line of reference along which the shoe last and the upper are centred and means for gripping and stretching the upper over the shoe last.
  • Machines comprising the above features and further comprising a pad that can move in an approximately vertical direction towards and away from the said support means in order to hold the shoe last and the upper in position for subsequent operations. Said machines are used extensively during the footwear production cycle to perform various operations such as, for example, fixing the upper to the insole.
  • the machines for producing footwear used today have the drawback of having particularly crowded work stations that restrict the operator's movements, thereby increasing the amount of time required to work to a high standard and level of accuracy.
  • the abovementioned drawback is in particular due to the presence of the pad which impedes the positioning of the shoe last and the upper on the support means, and to the presence of the projector.
  • This is because, as the latter has to emit a beam of light towards the said support means in order to mark the line of reference along which the shoe last and upper are to be centred, in known machines it is mounted on a supporting arm positioned towards the front of the machine so as to prevent the beam of light being intercepted by the pad.
  • having the projector positioned in this way means that it gets in the way of the operator who then interferes, especially with his upper body, with it and is therefore obliged, during the positioning of the shoe last and the upper, to work a few steps back from the machine, with his arms outstretched.
  • the technical problem at the basis of this invention is one of devising a machine for producing footwear that has structural and functional characteristics that meet the above requirement, while at the same time overcoming the drawbacks of machines of the prior art.
  • the idea behind the solution to the problem is to make the projector movable so that, once it has been used to centre the upper and the shoe last as described above, it can be moved into a retracted position in which it does not bother the person using the machine or restrict his movements, and leaves room for the pad.
  • the numeral 1 denotes, as a whole, a machine according to the invention for producing footwear.
  • the machine 1 comprises a support base 2 that supports a work surface 3 which is inclined with respect to the vertical by a predetermined angle.
  • the work surface 3 comprises support means 5 which support a shoe last 4, to the base of which is applied an insole and astride which is placed an upper 6, and means for gripping and stretching the upper 6 over the shoe last 4.
  • these means consist of a set of clamps 19 arranged around the support means 5.
  • the support means 5 comprise a base support 20 which is parallel to the work surface 3 and on which the shoe last 4 is supported, and a rear support 21 which prevents the shoe last 4 from sliding off the inclined work surface 3.
  • a framework 7 extends transversely in a direction X-X above the work surface 3.
  • the framework 7 basically consists of a crosspiece 8 having a square cross-section and extending in the transverse direction X-X and of two lateral supporting plates 9 which are hinged to the work surface 3 by means of respective pins 10. These pins 10 are aligned along an axis parallel to the direction X-X so that the framework 7 can be moved angularly towards and away from the support means 5 between a raised position (Fig. 2) and a lowered position (Fig. 3).
  • the rotation of the framework 7 about the axis of the pins 10 is controlled through a predetermined limited angle A by means of a control rod 11 which is actuated by a pneumatic cylinder system 12 connected to a pressurized fluid circuit which is known per se and is not shown in the figure.
  • the abovementioned framework 7 supports a projector 13 that emits a beam of light 14 directed towards the support means 5 in order to mark, using a line of reference 15, the centre line Y-Y of the support means 5 along which the shoe last 4 and upper 6 are to be centred, as will be explained more clearly in the rest of the present description, and a pad 18 which is designed to hold the shoe last 4 and the upper 6 against the support means 5 once the abovementioned operation to centre the shoe last 4 has been carried out.
  • the projector 13 is mounted on a slide 16 which, under the action of a pneumatic cylinder system 17 connected to a pressurized fluid circuit which is known per se and is not shown in the figure, can move in the direction X-X along the crosspiece 8, this crosspiece 8 forming a guide for the slide 16.
  • a pad 18 which faces the support means 5 and is offset with respect to the projector 13 at a predetermined distance from it along the abovementioned transverse direction X-X.
  • the machine 1 also comprises mechanical means for carrying out operations on the upper 6 and on the insole, for example stitching and gluing, which, since they are known per se, are not shown in the figure and are not described below so as not to make the present description unnecessarily tedious.
  • the upper 6 is laid and stretched over the shoe last 4 by the clamps 19, after which the operator starts up the operation to hold the shoe last 4 and upper 6 in position on the base support 20 and on the rear support 21 of the work surface 3 by means of an actuating system of known type, for example, a switch system.
  • an actuating system of known type, for example, a switch system.
  • the slide 16 as a result of the action exerted on it by the pneumatic cylinder system 17, moves rapidly along the crosspiece 8 until the pad 18 is brought into alignment with the centre line Y-Y of the support means 5 and the projector 13 is moved out of the way (Fig. 3).
  • the pneumatic cylinder system 12 causes the framework 7 to rotate towards the work surface 3 until the framework 7 is in the lowered position and the pad 18 is pressing against the upper 6 which is laid over the shoe last 4 (Fig. 3), thereby ensuring that it is held in position before the operations envisaged, for example gluing, are carried out.
  • the machine's operating cycle is terminated and firstly the pneumatic cylinder 12, and then the pneumatic cylinder 17, return the framework 7 and the slide 16 into the abovementioned initial start-of-cycle positions.
  • the operator can centre the shoe last and the upper without having his movements restricted by the presence of the pad, since the latter is moved transversely out of the way by the abovementioned distance L.
  • the abovementioned projector is moved from the operating position into the retracted position in order to make room for the pad.
  • the machine according to the invention enables the abovementioned requirements to be met, given that the operator can carry out the manual operation of centring the shoe last and the upper without being hindered by the pad and without needing to worry about interfering with the projector, as is the case in machines of the prior art.
  • the amount of time needed to make each item of footwear can be reduced compared with that needed by machines of the prior art, while still working to a high standard and level of accuracy.
  • Another advantage of the machine according to the invention lies in the fact that, during the centring operation, it allows the projector to be positioned close to and above the shoe last and upper to be centred, thereby increasing the centring accuracy that can be obtained.
  • the structure supporting the projector which consists of the crosspiece and the slide, stops the projector picking up vibrations from the machine during this centring operation.
  • Another advantage of the machine according to the invention is that it is simple to build and to operate.

Claims (6)

  1. Maschine (1) für die Herstellung von Schuhen, bestehend aus Stützmitteln (5) auf denen ein Schuhleisten (4) positioniert wird, an dem eine Brandsohle angebracht wird und über den ein Schaft (6) gelegt wird, aus einem Projektor (13), der in Richtung dieser Stützmittel (5) einen Lichtstrahl (14) aussendet, so dass er eine Bezugslinie (15) markiert, an der entlang der Schuhleisten (4) und der Schaft (6) zentriert werden, aus Mitteln (19) zum Ergreifen und Dehnen des Schafts (6) über den Schuhleisten (4),
       dadurch gekennzeichnet,    dass die Maschine einen Klotz (18) aufweist, der sich in ungefähr senkrechter Linie auf dieses Stützmittel (5) zu und von ihm weg bewegen kann, um den Schuhleisten (4) und den Schaft (6) bei den nachfolgenden Arbeitsschritten in seiner Position zu halten, und dass der Projektor (13) sich zwischen einer Arbeitsposition, in der er die genannte Bezugslinie (15) markiert, und einer zurückgezogenen Position, in der er sich außerhalb der Bewegungsbahn des Klotzes (18) befindet, wenn der Klotz (18) den Schuhleisten (4) und den Schaft (6) in Position hält, hin- und herbewegen kann.
  2. Maschine (1) nach Anspruch 1, wobei der Projektor (13) auf einem Läufer (16) sitzt, der quer zu den genannten Stützmitteln (5) verschoben werden kann.
  3. Maschine (1) nach Anspruch 2, wobei der Klotz (18) in einer in Querrichtung von dem Projektor (13) entfernten Position auf dem Läufer (16) angebracht ist.
  4. Maschine (1) nach Anspruch 2 oder 3, wobei dieser Läufer (16) gleitend auf einem Querteil (8) sitzt, das sich über den Stützmitteln (5) erstreckt und sich zwischen einer höheren Position und einer tieferen Position zu diesen Stützmitteln (5) hin und von ihnen weg bewegen kann.
  5. Maschine (1) nach Anspruch 4, wobei die Bewegung des Querteils (8) zwischen der höheren Position und der tieferen Position eine Drehbewegung ist.
  6. Maschine (1) nach Anspruch 1, wobei die Stützmittel (5) aus einem Auflagestützmittel (20) und einem hinteren Stützmittel (21) bestehen.
EP96830157A 1996-03-28 1996-03-28 Maschine für die Herstellung von Schuhen Expired - Lifetime EP0797938B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT96830157T ATE225615T1 (de) 1996-03-28 1996-03-28 Maschine für die herstellung von schuhen
ES96830157T ES2183926T3 (es) 1996-03-28 1996-03-28 Maquina para la fabricacion de calzado.
DE69624219T DE69624219T2 (de) 1996-03-28 1996-03-28 Maschine für die Herstellung von Schuhen
EP96830157A EP0797938B1 (de) 1996-03-28 1996-03-28 Maschine für die Herstellung von Schuhen
PT96830157T PT797938E (pt) 1996-03-28 1996-03-28 Maquina para produzir calcado
BR9700763A BR9700763A (pt) 1996-03-28 1997-01-24 Máquina para a produção de calçado

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830157A EP0797938B1 (de) 1996-03-28 1996-03-28 Maschine für die Herstellung von Schuhen

Publications (2)

Publication Number Publication Date
EP0797938A1 EP0797938A1 (de) 1997-10-01
EP0797938B1 true EP0797938B1 (de) 2002-10-09

Family

ID=8225848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96830157A Expired - Lifetime EP0797938B1 (de) 1996-03-28 1996-03-28 Maschine für die Herstellung von Schuhen

Country Status (6)

Country Link
EP (1) EP0797938B1 (de)
AT (1) ATE225615T1 (de)
BR (1) BR9700763A (de)
DE (1) DE69624219T2 (de)
ES (1) ES2183926T3 (de)
PT (1) PT797938E (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI980919A1 (it) * 1998-04-29 1999-10-29 Mec B D F S R L Off Macchina per la lavorazione automatica di parti di calzature
ITMI981211A1 (it) * 1998-06-01 1999-12-01 Cerim S P A Off Mec Macchina di montaggio di calzature con mezzi programmabili di riferimento visivo

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE646383C (de) * 1937-06-12 Nollesche Werke Komm Ges Verfahren und Vorrichtung zum Einstellen von Schuhkappen
CS224272B1 (en) * 1981-02-16 1984-01-16 Miloslav Ing Valasek Apparatus for controlling glued toe lasting machines
DE3732224A1 (de) * 1987-09-24 1989-04-13 Ver Schuhmasch Gmbh Verfahren und vorrichtung zum ueberholen und zwicken von aufgeleistetem schuhwerk
US5205232A (en) * 1989-08-30 1993-04-27 Orisol Ltd. Apparatus for advance edge detection and sewing
GB9102926D0 (en) * 1991-02-12 1991-03-27 British United Shoe Machinery Pulling over and toe lasting machine

Also Published As

Publication number Publication date
PT797938E (pt) 2003-02-28
DE69624219T2 (de) 2003-04-17
DE69624219D1 (de) 2002-11-14
ATE225615T1 (de) 2002-10-15
EP0797938A1 (de) 1997-10-01
ES2183926T3 (es) 2003-04-01
BR9700763A (pt) 1998-10-06

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