US20030110582A1 - Method for handling and transferring lasts for assemblying shoes - Google Patents

Method for handling and transferring lasts for assemblying shoes Download PDF

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Publication number
US20030110582A1
US20030110582A1 US10/258,361 US25836102A US2003110582A1 US 20030110582 A1 US20030110582 A1 US 20030110582A1 US 25836102 A US25836102 A US 25836102A US 2003110582 A1 US2003110582 A1 US 2003110582A1
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US
United States
Prior art keywords
lasts
circular arc
rotating
handling
last
Prior art date
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Abandoned
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US10/258,361
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English (en)
Inventor
Giovanni Torielli
Paolo Rognoni
Livio Scandella
Alberto Caresana
Giuseppe Saija
Enrico Dini
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.)
Torielli Rag Pietro & C SpA
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Torielli Rag Pietro & C 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 Torielli Rag Pietro & C SpA filed Critical Torielli Rag Pietro & C SpA
Assigned to TORIELLI RAG. PIETRO & C. S.P.A. reassignment TORIELLI RAG. PIETRO & C. S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CARESANA, ALBERTO, DINI, ENRICO, ROGNONI, PAOLO, SAIJA, GIUSEPPE, SCANDELLA, LIVIO, TORIELLI, GIOVANNI
Publication of US20030110582A1 publication Critical patent/US20030110582A1/en
Abandoned legal-status Critical Current

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    • 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
    • A43D119/00—Driving or controlling mechanisms of shoe machines; Frames for shoe machines

Definitions

  • the invention relates to a method for handling and transferring lasts for assemblying shoes.
  • the shoes are assembled on a last which supports the shoe during all assembly operations.
  • the conveyor consists of a track supported by a metallic structure which accommodates a certain number of multiple-platform carriages or swing-trays.
  • the swing-trays are moved by a chain which is actuated by a gearmotor producing a slow advancement motion.
  • the term “last” designates the support on which the shoe is assembled.
  • each pallet must be provided with identification markings, such as labels, colored signals, bar codes or microchip transponders, so as to transmit a signal which is capable of identifying the content of the pallet along its entire path.
  • identification markings such as labels, colored signals, bar codes or microchip transponders
  • the dimensions of the pallet are not flexible, so that it is possible to set up either a pallet capable of transferring only the last or a pallet capable of transferring the sole and the components as well.
  • these systems have a considerable linear extension, even more than the conveyor, because the pallet system tends to extend horizontally while the conventional conveyor extends vertically.
  • technical spaces become necessary.
  • the storage facilities that can be provided with this system require a very large ratio of volume to number of lasts, because also the pallets are stored. Accordingly, this worsens the space occupation problems.
  • anthropomorphic robots, usable for work on these systems have very high costs for this sector and this aspect alone can compromise the application of this system.
  • the aim of the present invention is to overcome the above-noted drawbacks with a method for handling and transferring lasts for assemblying shoes, each shoe being assembled on one of the lasts, wherein at least one of the lasts is moved so as to trace a first circular arc, a straight segment which is substantially perpendicular to said first circular arc, and a second circular arc which is substantially perpendicular to said straight segment; said first and second circular arcs belonging to two distinct and spatially separated circles.
  • the last is moved so as to trace a second straight segment which is spatially distinct from the first straight portion and is substantially perpendicular to the second circular arc.
  • the last is moved so as to trace a third circular arc which is substantially perpendicular to the second straight segment; the first, second and third circular arcs belonging to three distinct and spatially separated circles.
  • the last is moved so as to trace a third straight segment which is spatially distinct from the first and second straight segments and is substantially perpendicular to the third circular arc.
  • the invention relates to a method for handling and transferring lasts for the assembly of shoes, each shoe being assembled on one of the lasts, wherein at least one of the lasts is moved so as to perform a plurality of movements which are spatially mutually distinct, each movement including a circular arc and a straight segment which is substantially perpendicular to the circular arc, so that the straight segments transfer the last from one circle to another spatially distinct one, so that the last is moved along a plurality of circles which are spatially distinct from each other.
  • the invention also relates to a device for assemblying shoes, each shoe being assembled on a last, comprising: a plurality of rotating units, each of which supports a plurality of supports, each meant to support one of the lasts, and a transfer unit for transferring the last from one rotating unit to the other.
  • FIG. 1 is a schematic plan view of the device according to the invention.
  • FIG. 2 is a schematic plan view of a detail of the device of FIG. 1;
  • FIG. 3 is an enlarged-scale perspective view of a detail of the device of FIG. 1;
  • FIG. 4 is an enlarged-scale perspective view of a detail of the device of FIG. 3;
  • FIG. 5 is a perspective view of a second embodiment of the device according to the invention.
  • the device is used for the assembly of shoes, each shoe being assembled on a last 10 .
  • the last 10 supports the application of the upper and the sole, according to per se known systems.
  • Each one of a plurality of rotating units 11 , 12 and 13 supports a plurality of supports 14 .
  • Each support 14 supports a last 10 either directly or by means of an interposed container 15 .
  • the container 15 is used to contain additional material which is useful for the assembly of the shoe, such as for example the sole, the upper et cetera.
  • the last 10 is supported by a block 16 , having a shape adapted to interlock within a corresponding block 17 provided on the container 15 .
  • the container 15 has, in its lower part, a coupling 18 adapted to couple to a corresponding member 19 provided on the support 14 .
  • the block 17 is arranged in the place of the coupling 19 , so that the block 16 that supports the last is directly coupled on the support 14 , without interposing the container 15 .
  • FIG. 3 illustrates the case in which the container 15 is used.
  • FIG. 5 illustrates the case in which the block 16 is coupled directly onto the support 14 .
  • a transfer unit is provided in order to transfer the last 10 from one rotating unit 11 , 12 , 13 to the other.
  • a transfer unit 20 is provided for each component with which the rotating unit is interfaced.
  • Production rotating units 11 are provided in order to perform the operations for the assembly of a shoe; the rotating units are accordingly adapted to be coupled to machines dedicated to specific functions, such as a heel seat pounding machine 30 , a heel seat lasting machine 31 , a pulling and lasting machine 32 , or directly to an operator 33 whose task is, for example, to remove tacks.
  • Handling rotating units 13 are provided in order to transfer the lasts 10 from one unit to another, and storage rotating units 12 are provided in order to also provide distributed storage for the lasts 10 .
  • a production rotating unit 11 may have a single transfer unit 20 , because it is interfaced only with a handling rotating unit 13 .
  • a storage rotating unit 12 may have two transfer units 20 , because it is interfaced with two handling rotating units 13 , and a handling rotating unit 13 may have three transfer units 20 , because it is interfaced with two storage rotating units 12 and a production rotating unit 11 .
  • Each transfer unit 20 is arranged at the center of the rotating unit 11 , 12 , 13 and comprises a motorized arm 21 and a pusher body 22 in order to transfer the last 10 from one unit to the other.
  • the arm 21 has a single degree of freedom in order to minimize transfer times. However, it is possible to add other degrees of freedom for additional functions.
  • Each one of the rotating units 11 , 12 and 13 comprises a plurality of arms 23 .
  • An internal end of each arm 23 is supported by a motorized part 24 of the rotating unit, so that each arm 23 can trace a circular arc during its motion.
  • An outer end of the arm 23 supports the support 14 , which is in turn adapted to support the last 10 .
  • each handling unit is interfaced with three production rotating units or storage rotating units.
  • the rotating units can move in angular steps, covering identical angles, within the same rotating unit, so that after each movement the lasts can be moved along the circle of each rotating unit 11 , 12 and 13 and occupy mutually different positions, but within spatially predefined positions around the rotating unit.
  • the device has a finite and known number of states.
  • the number of preset positions of a production rotating unit 11 or of a storage rotating unit 12 is a multiple of the number of interfaces of the handling rotating unit 13 .
  • the handling rotating unit 13 is interfaced with three other rotating units, the number of preset positions of the production rotating unit 11 and of the storage rotating unit 12 is a multiple of three.
  • the device comprises a plurality of modules, and each module comprises a handling rotating unit 13 , a production rotating unit 11 and a storage rotating unit 13 .
  • Each module has its own autonomous operation, but the mutual coupling of the various modules provides the greatest advantages of the invention.
  • the device comprises a linear arrangement formed by an alternating succession of handling rotating units 13 and of storage rotating units 12 and also comprises lateral extensions formed by production rotating units 11 .
  • the production rotating units 11 are coupled to the linear arrangement at the handling rotating units 13 .
  • the operations for manufacturing the shoes are all performed at the production units 11 , such as the roughing machine 40 , the coarse roughing machine 41 , the tacking machine 43 , the gluing machine 44 , the sole gluing machine 45 , the reactivator 46 , the sole mating and pressing machine 47 , the finishing line 48 , the screw-type heel coupling and lace untying machine 49 , and the injection-molding carousel 50 .
  • the fact of having angular steps ensures that at each change of state, i.e., at each angular step, the spatial reference of each object being moved is always maintained. In other words, it is not necessary to perform part centering operations after moving it by an angle ⁇ ; centering is a consequence of the availability of the angular steps.
  • the system has a finite and known number of states, by virtue of which it is possible to determine in each instant the position of a part that has entered the system without continuously monitoring the position of each part. It is sufficient to identify each part only once, preferably only at the input of the system.
  • Various methods such as transponders, bar codes et cetera, can be used to identify the parts.
  • Each module i.e., each set of three units, is controlled by a local intelligent electronic/computerized unit, for example a PLC, which is capable of communicating with a system at a higher level by means of field bus systems or Ethernet systems or other systems.
  • the high-level system which is termed herein “handling system control”, is capable of routing objects along the invention, delegating to the local intelligent units the operations to be performed: part expulsion, part collection, component rotation, et cetera, and all the management of the sensors (proximity sensors, limit switches, photocells, et cetera) and the interfacing with the manufacturing machines.
  • the choice of the rules and policy for control of the invention is therefore implemented by designing and laying multiple layers of software running on the various processing systems (PC and PLC).
  • the lasts 10 are moved through the structure, according to requirements, without particular constraints, since the lasts can move back and forth along the structure according to the particular manufacturing processes that are necessary.
  • the system is flexible both from the mechanical point of view and from the point of view of production; it in fact allows to arrange around the system the stations that deal with the manufacturing processes that affect the parts. By virtue of its shape, the manufacturing stations can be moved without compromising the execution of the operations.
  • each manufacturing unit is considered as a component capable of clustering around itself manufacturing processes for which a sequence is necessary.
  • the system therefore allows management of overtaking and bypasses (production flexibility) according to:
  • Teamwork is possible.
  • the invention in fact allows a plurality of operators facing the same manufacturing unit to work in close cooperation, allowing them to work according to the general criteria of the Toyota and kanban methods. Moreover, in case of temporary absence of one operator, the others can easily move to the vacant post and perform the work of the missing operator as well.
  • the logic structure of the invention in fact inherently comprises two movement loops: a manufacturing loop 11 , i.e., a loop capable of controlling operators and machines, and a fast transfer loop 12 and 13 , i.e., a loop capable of moving the lasts so as to minimize the transfer times and allow overtaking and bypassing.
  • the system has a finite number of states, i.e., it can be likened to a sort of matrix in which each cell represents the spatial arrangements of the parts being conveyed.
  • the cells change state, depending on which part occupies which cell, in known time quanta.
  • part recognition devices to be used is limited and is used only at the input of the device.
  • the parts can in fact be marked with microchip transponders, bar codes or other systems.
  • Manufacturing processes performed directly on the manufacturing units 11 are allowed. Manual assembly operations, as well as some manufacturing processes, can be performed directly on the unit, which acts as a worktable.
  • the structure allows space optimization.
  • the manufacturing units 11 are spaced from the units that deal with the transfer 12 and 13 while ensuring the correct technical spaces for maneuvering and maximum utilization of the work area.
  • the expandable nature of the invention in fact includes three aspects: the mechanical one, the electronic one and the computerized one.
  • the mechanical aspect it has already been stated that the device has good mechanical modularity, capable of ensuring easy reconfigurations.
  • expanding the invention entails the connection of field connectors (bus or network) and the programming of the intelligent units.
  • the last aspect i.e., the computerized one, entails updating the configuration map, consequently defining the new routings of the parts being processed according to the production plan and to its scheduling.

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  • Automatic Assembly (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
US10/258,361 2000-04-26 2001-02-19 Method for handling and transferring lasts for assemblying shoes Abandoned US20030110582A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI000919A IT1317478B1 (it) 2000-04-26 2000-04-26 Procedimento per la manipolazione e il trasferimento di forme per ilmontaggio di calzature.
ITM12000A000919 2000-04-26

Publications (1)

Publication Number Publication Date
US20030110582A1 true US20030110582A1 (en) 2003-06-19

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US10/258,361 Abandoned US20030110582A1 (en) 2000-04-26 2001-02-19 Method for handling and transferring lasts for assemblying shoes

Country Status (8)

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US (1) US20030110582A1 (it)
EP (1) EP1278436A1 (it)
CN (1) CN1254204C (it)
AU (1) AU2001233781A1 (it)
BR (1) BR0110286A (it)
CZ (1) CZ20023542A3 (it)
IT (1) IT1317478B1 (it)
WO (1) WO2001080679A1 (it)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1640144A1 (en) * 2004-09-24 2006-03-29 Calzaturificio Orion S.p.A. A method and an apparatus for soling a safety shoe
US20150101134A1 (en) * 2013-10-16 2015-04-16 Adidas Ag Three-Dimensional Shoe Manufacturing
US9681709B2 (en) 2013-10-16 2017-06-20 Adidas Ag Two-dimensional shoe manufacturing
US11266207B2 (en) 2011-11-18 2022-03-08 Nike, Inc. Automated identification and assembly of shoe parts
US11317681B2 (en) 2011-11-18 2022-05-03 Nike, Inc. Automated identification 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
US11422526B2 (en) * 2011-11-18 2022-08-23 Nike, Inc. Automated manufacturing of shoe parts

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102398322A (zh) * 2011-11-25 2012-04-04 芜湖风雪橡胶有限公司 易悬挂的鞋模
CN103921463A (zh) * 2014-04-18 2014-07-16 洛阳新思路电气股份有限公司 辅助加热装置的输送机构
CN109866447A (zh) * 2019-04-16 2019-06-11 鄂州市源通塑胶机械有限责任公司 一种新型连帮注塑鞋用旋转式自动装卸楦头装置及方法
DK202430541A1 (en) * 2024-09-13 2026-03-26 Ecco Sko As A footwear manufacturing system and method

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US2776609A (en) * 1952-03-31 1957-01-08 Gen Mills Inc Mechanism for making containers
US3785115A (en) * 1970-11-24 1974-01-15 Storck A Gmbh Apparatus for producing a packaged assortment of different sweets
US4291797A (en) * 1977-01-17 1981-09-29 Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag Pallet changer for a manufacture plant
US4326624A (en) * 1977-09-14 1982-04-27 Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag Pallet feeder
US4671755A (en) * 1984-11-06 1987-06-09 Graae Joergen System for moulding soles onto shoe legs

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FR2435220A1 (fr) 1978-09-06 1980-04-04 Bonnet Pierre Installation pour la production de chaussures
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DE3623566A1 (de) * 1985-09-27 1987-04-02 Greiz Plasttechnik Vorrichtung zum direktansohlen von mehrschichtigen schuhsohlen
EP0236655B1 (en) 1986-03-11 1990-02-07 Lanfranco Anzani Continuous processing line for products, equipped with an autoclave to vulcanise rubber components
IT1233886B (it) 1988-05-10 1992-04-21 Anzani Lanfranco Anzani Onorio Catena di montaggio per lavorazione continua di calzature, e simili, con macchine a teste multiple intercambiabili
IT1234088B (it) 1989-05-26 1992-04-29 Gianfranco Ghelli Dispositivo per il riempimento automatico e per la regolazione del livello minimo di serbatoi per liquidi, in particolare di serbatoi sotto carico continuo
FR2705872B1 (fr) 1993-06-04 1995-08-25 Blanc Roger Dispositif de préhension d'une forme pour la fabrication de chaussures.
WO1995019719A1 (es) 1994-01-20 1995-07-27 Adolfo Vilar Diaz Proceso de fabricacion automatica de calzado, e instalacion correspondiente
FR2721913B1 (fr) 1994-07-04 1997-01-10 Blanc Roger Dispositif pour le transfert de plateaux entre une chaine d'entrainement et des postes de travail
FR2742426B1 (fr) 1995-12-18 1998-03-13 Blanc Roger Dispositif d'aiguillage pour deux convoyeurs et dispositif de convoyage comportant un tel aiguillage
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US2776609A (en) * 1952-03-31 1957-01-08 Gen Mills Inc Mechanism for making containers
US3785115A (en) * 1970-11-24 1974-01-15 Storck A Gmbh Apparatus for producing a packaged assortment of different sweets
US4291797A (en) * 1977-01-17 1981-09-29 Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag Pallet changer for a manufacture plant
US4326624A (en) * 1977-09-14 1982-04-27 Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag Pallet feeder
US4671755A (en) * 1984-11-06 1987-06-09 Graae Joergen System for moulding soles onto shoe legs

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1640144A1 (en) * 2004-09-24 2006-03-29 Calzaturificio Orion S.p.A. A method and an apparatus for soling a safety shoe
US11346654B2 (en) 2011-11-18 2022-05-31 Nike, Inc. Automated 3-D modeling of shoe parts
US12313395B2 (en) 2011-11-18 2025-05-27 Nike, Inc. Automated 3-D modeling of shoe parts
US11879719B2 (en) 2011-11-18 2024-01-23 Nike, Inc. Automated 3-D modeling of shoe parts
US11763045B2 (en) 2011-11-18 2023-09-19 Nike, Inc. Generation of tool paths for shoe assembly
US11641911B2 (en) 2011-11-18 2023-05-09 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
US11317681B2 (en) 2011-11-18 2022-05-03 Nike, Inc. Automated identification of shoe parts
US11422526B2 (en) * 2011-11-18 2022-08-23 Nike, Inc. Automated manufacturing of shoe parts
US11341291B2 (en) 2011-11-18 2022-05-24 Nike, Inc. Generation of tool paths for shoe assembly
US10426230B2 (en) * 2013-10-16 2019-10-01 Adidas Ag Three-dimensional shoe manufacturing
US11330870B2 (en) 2013-10-16 2022-05-17 Adidas Ag Three-dimensional shoe manufacturing
US10463114B2 (en) 2013-10-16 2019-11-05 Adidas Ag Two-dimensional shoe manufacturing
US10028552B2 (en) 2013-10-16 2018-07-24 Adidas Ag Two-dimensional shoe manufacturing
US9681709B2 (en) 2013-10-16 2017-06-20 Adidas Ag Two-dimensional shoe manufacturing
US20150101134A1 (en) * 2013-10-16 2015-04-16 Adidas Ag Three-Dimensional Shoe Manufacturing

Also Published As

Publication number Publication date
IT1317478B1 (it) 2003-07-09
AU2001233781A1 (en) 2001-11-07
CZ20023542A3 (cs) 2003-08-13
CN1254204C (zh) 2006-05-03
CN1426280A (zh) 2003-06-25
ITMI20000919A0 (it) 2000-04-26
WO2001080679A1 (en) 2001-11-01
BR0110286A (pt) 2003-02-11
ITMI20000919A1 (it) 2001-10-26
EP1278436A1 (en) 2003-01-29

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Owner name: TORIELLI RAG. PIETRO & C. S.P.A., ITALY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TORIELLI, GIOVANNI;ROGNONI, PAOLO;SCANDELLA, LIVIO;AND OTHERS;REEL/FRAME:013717/0325

Effective date: 20021010

STCB Information on status: application discontinuation

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