EP0123173A2 - Ligne d'assemblage, en particulier pour la production d'articles en cuir et similaires - Google Patents

Ligne d'assemblage, en particulier pour la production d'articles en cuir et similaires Download PDF

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Publication number
EP0123173A2
EP0123173A2 EP19840103645 EP84103645A EP0123173A2 EP 0123173 A2 EP0123173 A2 EP 0123173A2 EP 19840103645 EP19840103645 EP 19840103645 EP 84103645 A EP84103645 A EP 84103645A EP 0123173 A2 EP0123173 A2 EP 0123173A2
Authority
EP
European Patent Office
Prior art keywords
assembly line
support frame
ovens
fitted
oven
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
EP19840103645
Other languages
German (de)
English (en)
Other versions
EP0123173B1 (fr
EP0123173A3 (en
Inventor
Giuseppe Anzani
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
Application filed by Individual filed Critical Individual
Publication of EP0123173A2 publication Critical patent/EP0123173A2/fr
Publication of EP0123173A3 publication Critical patent/EP0123173A3/en
Application granted granted Critical
Publication of EP0123173B1 publication Critical patent/EP0123173B1/fr
Expired 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
    • A43D95/00—Shoe-finishing machines
    • A43D95/12—Devices for conditioning, tempering, or moistening
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D111/00—Shoe machines with conveyors for jacked shoes or for shoes or shoe parts
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D117/00—Racks for receiving or transporting shoes or shoe parts; Other conveying means

Definitions

  • the present invention refers to an assembly line particularly suited for the production of leather and similar goods. More in particular, the present invention refers to an assembly line, particularly suited for the production of leather, imitation - leather, hide, fabric, felt, plastics and similar goods, such as foot-wear, slippers, etc. which allows all the production phases to be completed without unloading and re-loading the product.
  • assembly line Many types of assembly line are known for leather, imitation - leather, fabrics, plastic and similar goods, on which moving trolleys equipped with one or more shelves are anchored by fixed,or releasable coupling devices.
  • the various components of the goods to be produced are placed on the said shelves at the beginning of the cycle, and are progressively assembled in the successive working stations, aligned along the assembly line.
  • foot-wear components are placed on the said shelves, such as for example uppers, moulds, inner soles, soles, heels and so on, which are progressively assembled in the successive working stations, aligned along the assembly line.
  • the operator assigned takes the components that have to be used from the said shelves, mounts them on the portion of the preformed footwear which arrives from the previous station and at the end of the operation, re-loads the footwear obtained onto the same shelves.
  • the trolley that supports the said shelves is then moved to the successive station for another working phase.
  • assembly lines of the above mentioned type, and in particular those for foot-wear have made it possible to overcome considerable problems regarding the rationalisation of the working stages and of the working environments, the productivity of the systems, the quality of the finished product and production economicty, however they are not completely satisfactory, since they do not allow all the treatments foreseen by the process to be performed.
  • the known assembly lines do not permit the treatments to which the footwear is subjected to be performed at the start of the working phases and after the uppers, the toes, the sides and the heels have been mounted . on moulds and before the phases which include the application of the soles, the heels and so on.
  • the treatments include humidifications, heating by hot air, seasoning with stretching under vacuum and evacuation of vapours and radiation using infra-red ray heaters, at present these treatments are performed outside the assembly line.
  • the footwear is unloaded from the assembly line trolleys and placed inside special ovens, or particularly equipped rooms.
  • the same footwear is removed from the ovens, or taken out of the said rooms and re-placed on the conveyor belt trolleys.
  • a multiple containers device may also be used for the stretching and seasoning phases of leather goods and in particular of footwear.
  • the said containers which enter and leave the ovens sequentially, transported by a continuous chain make it possible to substantially reduce the hold-up time of the assembly line trolleys in the treatments station.
  • the purpose of the present invention is that of realising an assembly line which makes it possible to overcome the above mentioned drawbacks.
  • the purpose of the present invention is that of realising an assembly line that makes it possible to perform all the process phases to produce leather, imitation-leather, fabricplastic and similar goods without needing to perform any unloading and re-loading operation.
  • Another purpose is that of realising an assembly line which has an extremely simple structure that permits the use of ovens for the treatments foreseen by the process and that is easy and economic to produce.
  • an assembly line including : a number of conveyor trolleys travelling on rails and fitted with automatic coupling and release devices; vertical hanging and yoke type support frames, hinged to the conveyor trolleys and ovens to humidify, to heat, to season, to stretch under vacuum, to evacuate the vapours and to radiate using infrared ray heaters, beneath the assembly line straddling the support frames and in sequential series with the working stations.
  • the ovens are preferably made up of two opposite and sliding doors which when moved close to one another form a seal with the peripheric structure of the vertical support frame.
  • Each support frame may be fitted with cross-pieces sustaining the footwear support brackets, or of other supporting means.
  • the conveyor trolleys may be fitted with one, or more shelves, or vertical trays.
  • figure 1 is a perspective view of a particular embodiment of footwear trolleys mounted on the rails of an assembly line;
  • the assembly line, subject of the present invention includes a large number of conveyor trolleys 1 and ovens 33 and 34 to perform the humidification , heating, seasoning, stretching treatments, etc. foreseen by the production process.
  • Each conveyor trolley 1 has a supporting structure 2 to which the front shelves, or supporting trays 3 and 4 of a known type are fixed.
  • the upper 5 and lower 6 wheels, which run along the rails 7 of the assembly line are applied on the structure 2.
  • the various drawing, release and coupling devices of the trolleys are not illustrated and described here since they are of a known type and do not concern the present invention.
  • the trays 3 and 4, fixed to the structure 2, may have a single support surface 8, or may be divided into compartments 9 via separators 10.
  • the upper ends 13 of the up-rights 23 are pivoted to the side edges 12 of the upper tray 3 and to a yoke type support frame 14.
  • pins 16 are fixed in correspondence to the side edges 15 of the lower tray 4 inserted in the transversal slits 17 made on the said ends 13.
  • the frame 14 may rotate about its upper fulcrums 18 and oscillate for an amplitude permitted by the length of the slits 17.
  • Figures 1 and 2 represent trolleys 1 specifically equipped for the production of footwear 21.
  • Cross-pieces 19 are fixed in the central part of the frame 14 sustaining the support brackets 20 for the footwear 21.
  • the ovens 33 and 34 for the humidifying, the heating by hot air, the seasoning, the stretching, the evacuation of the vapours and the radiation treatments using infrared ray heaters consist of two sliding half-shells 26 and 27 to enable them to be moved towards and away from one another.
  • the above mentioned parallelogram is made using profiles having at least the two side surfaces 28 and 29 in parallel with another and parallel to the surfaces 31 and 32 of the doors 24 and 25.
  • the half-shells 26 and 27, forming the ovens are mounted beneath the assembly line and straddle the vertical hanging frame 14 so that its external structure, formed by the cross-pieces 22 and by the up-rights 23 are perfectly aligned with the doors 24 and 25.
  • the uppers are preferably subjected to an initial humidifying, softening and possible radiation treatment using infra-red ray heaters to revive the toe piece, to facilitate the successive assembly phases on the moulds.
  • the uppers and the relative moulds are positioned on the brackets 20 of the hanging frame 14, at the beginning of the working cycle, while the other components of the footwear are pre-arranged in an orderly way on the trays 3 and 4.
  • a humidification oven is pre-arranged aligned with the successive working station consisting of two half-shells 26 and 27 fitted with doors 24 and 25 which when moved close together form a seal along the parallel side surfaces 28 and 29 of the frame 14.
  • the half-shells 26 and 27 are moved towards one another by means of hydraulic, or pneumatic pistons of a known type (not illustrated in the figure ) when the structure of the hanging frame 14 is perfectly aligned with the doors 24 and 25, until the surfaces 31 and 32 of the doors come into contact with those 28 and 29 of the frame 14.
  • the half-shells 26 and 27 travel on transversal guides 30 moved by the hydraulic, or pneumatic cylinders.
  • the oven closes entrapping the hanging frame 14 containing the uppers 21 to be treated.
  • the oven seal is ensured by means of rubber gaskets 35, or other suitable material, applied to the edges and over the surfaces 31 and 32 of the doors 24 and 25.
  • rubber gaskets 35 or other suitable material, applied to the edges and over the surfaces 31 and 32 of the doors 24 and 25.
  • the entire trolley 1 may be transferred to the successive working station.
  • the trolley 1 advances and passes the successive stations where the parts of the footwear are progressively assembled until complete assembly is achieved in the station up-stream of the one where the ovens for the successive heat treatments are installed.
  • the operator instead of loading the footwear into ovens outside the assembly line, or of placing them on one of the trays 3 and 4 for transfer to the successive station, pre-arranges them inside the brackets 20.
  • FIG. 3 For the sake of clarity a schematic plan view is illustrated in figure 3 detailing a section of the assembly line during this phase.
  • Two trolleys 1 are arranged in correspondence to each oven. This arrangement and construction of the ovens makes it possible to half the execution times of the treatment.
  • the two separate ovens33 and 34 are pre-arranged to perform the humidification and the hot air heating and the seasoning, the stretching under vacuum and radiation using infra-red ray heater treatments respectively. These ovens are not described in detail since they form a part of the technical note.
  • the carding and adhesive spreading phases are performed in the footwear production cycle in succession to the above mentioned treatments.
  • the rest phase then follows, presently requiring approximately twenty minutes, during which the solvents in the adhesives are completely evacuated, before re-activating the said adhesives and carrying out the application phases of the soles, the heels and of the other possible components.
  • the time required for the 'said rest phase represents another forced hold-up point of the assembly line process and results in forced speed limits or the engagement of a long section of the assembly line. According to the present invention, this period of time may be significantly decreased by the use of trolleys 1 with a vertical hanging frame 14 and of another opposite half-shell type oven 26 and 27, positioned down-stream of the above mentioned adhesive spreading phase.
  • the footwear 21 with adhesive covered bases and the corresponding soles, also spread with adhesive are placed on the brackets 20 of the support 14 and transferred inside an oven entirely similar to the one described previously.
  • This oven is equipped with heating means and means of forced suction under vacuum which permit a rapid and total evacuation of the solvents present in the adhesives, significantly reducing the time necessary for this phase.
  • heating of the environment to evacuate the solvents makes it possible to re-activate the adhesive, necessary to make the relative parts adhere to one another in the phase successive to the exit from the oven.
  • re-activation of the adhesives is performed outside the above mentioned evacuation oven, but however in sequence on the assembly line without having to unload and re-load the parts spread with adhesive into external ovens, as is the case at present.
  • the heat sources as for example halogen lamps, necessary to reactivate the adhesives spread over the bottoms, or over the soles, may be conveniently positioned inside the oven close to the surfaces of the soles and/or of the footwear bottoms thanks to the free surrounding space permitted by the structure of the frames 14.
  • the hanging frame 14 has a fulcrum at the side edges 12 of the upper tray 3 and is pre-arranged to permit its guided oscillation and limited by the pins 16, bound on the side edges 15 of the lower tray 4 and inserted in the slits 17.
  • the trolley 1 fitted with a vertical yoke type frame 14 may be equipped with only one, or more than two trays of the type 3 and 4 in its upper part depending on the working requirements, or may be without, as represented in figures 5 and 6.
  • trolleys with a yoke type frame 14 are represented in figures 4, 5 and 6 applicable to other types of drawing chains, or for other types of use.
  • Another solution may include only the cross-pieces 19 or however other support means which however are contained within the profile of the frame 14.
  • Another possible embodiment, particularly suitable for the treatment of many pieces, may foresee the frame support 14 with more than one drawing trolley; the fundamental concept remaining that the profile of the hanging frame must always form the ledge for the closing doors of the half-shells 26 and 27 making up the said ovens.
  • the hanging yoke type frame 14 though being preferably maae up of a peripheric profile having a parallelogram shape to exploit the space enclosed by it in the best and most rational way, may be realised in accordance with any other shape, for example, circular, elliptic, trapezoidal, and so on. In any case, it is essential that its side surfaces 28 and 29 are substantially parallel and have a peripheric profile equal to that of the doors 24 and 25 of the half-shells 26 and 27 of each oven.

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP19840103645 1983-04-22 1984-04-03 Ligne d'assemblage, en particulier pour la production d'articles en cuir et similaires Expired EP0123173B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2077183 1983-04-22
IT2077183A IT1161177B (it) 1983-04-22 1983-04-22 Carrello trasportatore con telaio di supporto pensile

Publications (3)

Publication Number Publication Date
EP0123173A2 true EP0123173A2 (fr) 1984-10-31
EP0123173A3 EP0123173A3 (en) 1985-05-08
EP0123173B1 EP0123173B1 (fr) 1988-03-23

Family

ID=11171825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840103645 Expired EP0123173B1 (fr) 1983-04-22 1984-04-03 Ligne d'assemblage, en particulier pour la production d'articles en cuir et similaires

Country Status (8)

Country Link
EP (1) EP0123173B1 (fr)
KR (1) KR880002428B1 (fr)
DE (1) DE3469989D1 (fr)
ES (1) ES8504260A1 (fr)
FR (1) FR2544680B1 (fr)
IT (1) IT1161177B (fr)
MX (1) MX159355A (fr)
PT (1) PT78460B (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244547A1 (fr) * 1986-05-06 1987-11-11 Lanfranco Anzani Machine automatique à têtes multiples interchangeables pour la fabrication en masse de chaussures
EP0311120A2 (fr) * 1987-10-08 1989-04-12 UNIMAC ITALIA s.r.l. Système pour sécher la colle à dispersion à l'eau sur les tiges et/ou les semelles de chaussure
US6438780B1 (en) * 1998-06-29 2002-08-27 Ecco Sko A/S Assembly for processing blanks
EP1612116A1 (fr) * 2004-06-29 2006-01-04 Bosch Rexroth AG Dispositif de convoyage comprenant un chariot de transport avec des galets de roulement flottantes
CN101176577B (zh) * 2006-10-18 2012-07-04 蓝法兰可·安札尼 多功能皮件处理工作站
US8755925B2 (en) 2011-11-18 2014-06-17 Nike, Inc. Automated identification and assembly of shoe parts
KR20140091068A (ko) * 2011-11-18 2014-07-18 나이키 인터내셔널 엘티디. 신발 파트들의 자동화된 제조
US8858744B2 (en) 2011-11-18 2014-10-14 Nike, Inc. Multi-functional manufacturing tool
US8960745B2 (en) 2011-11-18 2015-02-24 Nike, Inc Zoned activation manufacturing vacuum tool
US9010827B2 (en) 2011-11-18 2015-04-21 Nike, Inc. Switchable plate manufacturing vacuum tool
US9451810B2 (en) 2011-11-18 2016-09-27 Nike, Inc. Automated identification of shoe parts
CN107969764A (zh) * 2017-12-19 2018-05-01 保丽信(惠州)织造有限公司 鞋片视觉检测校对烫衣装置及其烫衣方法
US10393512B2 (en) 2011-11-18 2019-08-27 Nike, Inc. Automated 3-D modeling of shoe parts
US10552551B2 (en) 2011-11-18 2020-02-04 Nike, Inc. Generation of tool paths for shore assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB386554A (en) * 1932-06-27 1933-01-19 Edmond Ple Improvements in or relating to apparatus for conveying shoes mounted upon lasts
FR811824A (fr) * 1936-10-12 1937-04-23 Paul Dailloux Ets Procédé de manutention automatique et appareillage de transport pour la fabrication des chaussures et objets analogues
FR1004423A (fr) * 1947-04-18 1952-03-31 Dispositif transporteur des chaussures dans les fabriques de chaussures
US3120666A (en) * 1963-01-14 1964-02-11 Richard S Murphy Transportation system for shoe manufacture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB386554A (en) * 1932-06-27 1933-01-19 Edmond Ple Improvements in or relating to apparatus for conveying shoes mounted upon lasts
FR811824A (fr) * 1936-10-12 1937-04-23 Paul Dailloux Ets Procédé de manutention automatique et appareillage de transport pour la fabrication des chaussures et objets analogues
FR1004423A (fr) * 1947-04-18 1952-03-31 Dispositif transporteur des chaussures dans les fabriques de chaussures
US3120666A (en) * 1963-01-14 1964-02-11 Richard S Murphy Transportation system for shoe manufacture

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244547A1 (fr) * 1986-05-06 1987-11-11 Lanfranco Anzani Machine automatique à têtes multiples interchangeables pour la fabrication en masse de chaussures
EP0311120A2 (fr) * 1987-10-08 1989-04-12 UNIMAC ITALIA s.r.l. Système pour sécher la colle à dispersion à l'eau sur les tiges et/ou les semelles de chaussure
EP0311120A3 (fr) * 1987-10-08 1990-04-18 UNIMAC ITALIA s.r.l. Système pour sécher la colle à dispersion à l'eau sur les tiges et/ou les semelles de chaussure
US6438780B1 (en) * 1998-06-29 2002-08-27 Ecco Sko A/S Assembly for processing blanks
EP1612116A1 (fr) * 2004-06-29 2006-01-04 Bosch Rexroth AG Dispositif de convoyage comprenant un chariot de transport avec des galets de roulement flottantes
US7735425B2 (en) 2004-06-29 2010-06-15 Bosch Rexroth Ag Conveyor system with a conveyor carriage with axially aligned track rollers
CN101176577B (zh) * 2006-10-18 2012-07-04 蓝法兰可·安札尼 多功能皮件处理工作站
US11317681B2 (en) 2011-11-18 2022-05-03 Nike, Inc. Automated identification of shoe parts
US10671048B2 (en) 2011-11-18 2020-06-02 Nike, Inc. Automated manufacturing of shoe parts
US8858744B2 (en) 2011-11-18 2014-10-14 Nike, Inc. Multi-functional manufacturing tool
US8958901B2 (en) 2011-11-18 2015-02-17 Nike, Inc. Automated manufacturing of shoe parts
US8960745B2 (en) 2011-11-18 2015-02-24 Nike, Inc Zoned activation manufacturing vacuum tool
US9010827B2 (en) 2011-11-18 2015-04-21 Nike, Inc. Switchable plate manufacturing vacuum tool
US9084451B2 (en) 2011-11-18 2015-07-21 Nike, Inc. Automated identification and assembly of shoe parts
US9451810B2 (en) 2011-11-18 2016-09-27 Nike, Inc. Automated identification of shoe parts
US9939803B2 (en) 2011-11-18 2018-04-10 Nike, Inc. Automated manufacturing of shoe parts
US11911893B2 (en) 2011-11-18 2024-02-27 Nike, Inc. Manufacturing tool
US10194716B2 (en) 2011-11-18 2019-02-05 Nike, Inc. Automated identification and assembly of shoe parts
US10393512B2 (en) 2011-11-18 2019-08-27 Nike, Inc. Automated 3-D modeling of shoe parts
US10552551B2 (en) 2011-11-18 2020-02-04 Nike, Inc. Generation of tool paths for shore assembly
KR20140091068A (ko) * 2011-11-18 2014-07-18 나이키 인터내셔널 엘티디. 신발 파트들의 자동화된 제조
US10667581B2 (en) 2011-11-18 2020-06-02 Nike, Inc. Automated identification and assembly of shoe parts
US11266207B2 (en) 2011-11-18 2022-03-08 Nike, Inc. Automated identification and assembly of shoe parts
US11273514B2 (en) 2011-11-18 2022-03-15 Nike, Inc. Multi-functional manufacturing tool
US8755925B2 (en) 2011-11-18 2014-06-17 Nike, Inc. Automated identification and assembly of shoe parts
US11341291B2 (en) 2011-11-18 2022-05-24 Nike, Inc. Generation of tool paths for shoe assembly
US11346654B2 (en) 2011-11-18 2022-05-31 Nike, Inc. Automated 3-D modeling of shoe parts
US11389972B2 (en) 2011-11-18 2022-07-19 Nike, Inc. Manufacturing tool with selective activation of pickup zones
US11422526B2 (en) 2011-11-18 2022-08-23 Nike, Inc. Automated manufacturing of shoe parts
US11641911B2 (en) 2011-11-18 2023-05-09 Nike, Inc. Automated identification and assembly of shoe parts
US11763045B2 (en) 2011-11-18 2023-09-19 Nike, Inc. Generation of tool paths for shoe assembly
US11879719B2 (en) 2011-11-18 2024-01-23 Nike, Inc. Automated 3-D modeling of shoe parts
CN107969764A (zh) * 2017-12-19 2018-05-01 保丽信(惠州)织造有限公司 鞋片视觉检测校对烫衣装置及其烫衣方法

Also Published As

Publication number Publication date
PT78460A (en) 1984-05-01
IT1161177B (it) 1987-03-11
KR840008268A (ko) 1984-12-14
IT8320771A0 (it) 1983-04-22
ES531780A0 (es) 1985-04-16
MX159355A (es) 1989-05-17
PT78460B (en) 1986-04-29
KR880002428B1 (ko) 1988-11-12
FR2544680A1 (fr) 1984-10-26
EP0123173B1 (fr) 1988-03-23
FR2544680B1 (fr) 1987-10-09
EP0123173A3 (en) 1985-05-08
ES8504260A1 (es) 1985-04-16
DE3469989D1 (en) 1988-04-28

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