EP3951039A1 - Dispositif d'alimentation pour machines à coudre destiné au chargement automatique d'une machine à coudre en pièce à coudre - Google Patents

Dispositif d'alimentation pour machines à coudre destiné au chargement automatique d'une machine à coudre en pièce à coudre Download PDF

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Publication number
EP3951039A1
EP3951039A1 EP20189205.6A EP20189205A EP3951039A1 EP 3951039 A1 EP3951039 A1 EP 3951039A1 EP 20189205 A EP20189205 A EP 20189205A EP 3951039 A1 EP3951039 A1 EP 3951039A1
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EP
European Patent Office
Prior art keywords
sewing
conveyor belt
sewing machine
parts
storage
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
EP20189205.6A
Other languages
German (de)
English (en)
Other versions
EP3951039B1 (fr
EP3951039C0 (fr
Inventor
Hannes Auer
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.)
3CON Anlagenbau GmbH
Original Assignee
3CON Anlagenbau GmbH
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 3CON Anlagenbau GmbH filed Critical 3CON Anlagenbau GmbH
Priority to EP20189205.6A priority Critical patent/EP3951039B1/fr
Publication of EP3951039A1 publication Critical patent/EP3951039A1/fr
Application granted granted Critical
Publication of EP3951039B1 publication Critical patent/EP3951039B1/fr
Publication of EP3951039C0 publication Critical patent/EP3951039C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B35/00—Work-feeding or -handling elements not otherwise provided for
    • D05B35/06—Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B33/00—Devices incorporated in sewing machines for supplying or removing the work

Definitions

  • the invention relates to a sewing machine loading device for automatically loading a sewing machine with first and second sewing parts to be sewn together, according to the preamble of claim 1.
  • sewn garments are required to disguise carrier elements.
  • sewn garments are used for interior fittings in order to laminate base supports with sewn garments.
  • the sewn clothes often consist of a number of sewn parts in the form of individual fabric, imitation leather or genuine leather cuts which are joined together by sewing and/or optionally provided with decorative seams.
  • a particular difficulty is that often sewn parts (material cuts) with non-congruent contours have to be sewn in such a way that a three-dimensional sewing dress is created. This requires extreme precision on the part of a sewer when the sewing parts are fed into a sewing machine, aligned with one another and sewn by hand. Furthermore, the manual alignment and feeding of the sewn parts to the sewing machine is associated with a considerable expenditure of time and thus costs.
  • the invention is therefore based on the object of creating a sewing machine loading device with which sewn parts to be sewn together can be positioned relative to one another and fed to a sewing machine fully automatically and as precisely and quickly as possible.
  • the sewing machine loading device comprises a handling device for removing the sewing parts from a sewing parts magazine or for picking up the sewing parts from a sewing part cutting device, a positioning device for positioning the two sewing parts in a predetermined relative position and a transport device for transporting the sewing parts from the positioning device in the direction of the sewing machine.
  • the sewing parts to be sewn together can be removed fully automatically from a sewing parts magazine or from a sewing parts cutting device (cutter). and are fed to the positioning device in order to be positioned one above the other there in a predetermined manner.
  • the sewn parts positioned in this way are then automatically transported by the transport device by the positioning device in the direction of the sewing machine without further changing their relative position, in particular to a sewn part manipulator arranged on the sewing machine, which continuously aligns the first and second sewn parts relative to one another transversely to the sewing direction during sewing.
  • the sewing machine loading device thus enables the handling of the sewing parts to be sewn together between the sewing parts magazine or the sewing parts cutting device and the sewing machine or the sewing parts manipulator to take place fully automatically.
  • the handling and positioning of the sewing parts can be carried out very precisely, at high speed and without manpower.
  • a high working speed is achieved in particular in that the handling device can immediately return to the sewing parts magazine or to the sewing parts cutting device and fetch new sewing parts after the previous sewing parts have been deposited on the positioning device.
  • the positioning device comprises a first storage table with a first storage surface for depositing the first sewing part in a predetermined storage position and a second storage table with a second storage surface for storing the second sewing part in a predetermined storage position, with at least one of the storage tables from a first position in which the two Storage areas are arranged side by side, can be moved into a second position in which the two storage areas are arranged one above the other.
  • the sewing parts can be arranged one above the other in a very precise manner, with the sewing parts preferably being separated from one another only by one of the storage tables.
  • the transport device comprises first and second conveyor belts, which are spaced vertically and are designed to move the two sewing parts on the storage tables, the first sewing part being able to be brought into contact with the first conveyor belt and the second conveyor belt being able to be brought into contact with the second sewing part, such that the sewing parts can be transported from the storage tables in the direction of the sewing machine without changing their mutual relative position.
  • first and second conveyor belts can transport the sewn parts at any time and in a particularly effective manner from the positioning device to the sewing machine or to the sewn part manipulator.
  • the first conveyor belt is a lower conveyor belt and the second conveyor belt is an upper conveyor belt, the first conveyor belt having a conveyor belt section which is arranged in the region of the first storage surface and in a plane parallel thereto and projects upwards over the first storage surface.
  • the first conveyor belt can preferably be moved between the first and second positions together with the first delivery table.
  • the first sewing part can preferably be pressed by means of the first conveyor belt against a lower surface of the second storage table, which is designed as a sliding surface for the first sewing part.
  • the first depositing table can preferably be moved in the vertical direction together with the first conveyor belt. In this way, the first sewn part can be easily pinched between the first conveyor belt and the slide surface provided on the underside of the second tray table. This ensures that the first sewing part is taken along by the first conveyor belt without slipping.
  • the second storage table preferably has a sliding surface made of a friction-reducing material, against which the second sewn part can be pressed by means of the second conveyor belt. This also ensures that the second sewing part is carried along by the second conveyor belt without slipping.
  • a centering device for centered positioning of the sewing parts on the storage tables is preferably provided on the first storage table and/or second storage table.
  • the centering device can consist of at least one centering pin that protrudes beyond the first and second storage area and onto which the sewing parts can be pushed.
  • the first conveyor belt and/or second conveyor belt is preferably designed as a friction conveyor belt.
  • the first conveyor belt and/or the second conveyor belt preferably has a plurality of encircling belts which are arranged at a distance next to one another. As a result, larger sewing parts can also be conveyed without the sewing parts swiveling on the storage tables.
  • the handling device with which the sewing parts are removed from the sewing parts magazine or from the sewing parts cutting device preferably comprises vacuum suction devices or needle gripping devices which are designed to pick up the sewing parts and can be moved both in the vertical direction and in at least one horizontal direction. This means that the vacuum suction devices or needle gripping devices can be moved in at least two axes. However, it is also readily possible to provide a robot as the handling device, which offers the possibility of free movement in space.
  • the sewing parts magazine preferably comprises individual magazines arranged next to one another for receiving the first and second sewing parts in stacks, with the individual magazines being arranged and aligned next to one another in such a way that the relative position of the first and second sewing parts stacked in the individual magazines corresponds to the relative position in which the sewing parts are placed on the positioning device to have.
  • Such an embodiment is particularly suitable for handling devices that can be moved on two axes, since the sewn parts no longer have to be rotated or tilted before they are deposited on the storage tables.
  • the sewing machine loading device comprises an adhesive application device arranged between the sewing parts magazine or the sewing parts cutting device and the positioning device for applying adhesive to at least one of the sewing parts.
  • figure 1 shows a sewing machine loading device with which a first sewing part 1 and a second sewing part 2, which are stacked in a sewing parts magazine 3, are fed fully automatically to a sewing machine (not shown) or a sewing part manipulator of the sewing machine be able.
  • the sewing machine not shown, is located at the right end of the in figure 1 shown sewing machine loading device.
  • the first sewing part 1 and the second sewing part 2 can be, for example, fabric, leather or imitation leather blanks that can have different contours.
  • the sewing parts magazine 3 and the sewing parts 1, 2 are shown only schematically in the drawings and can have a wide variety of shapes and configurations.
  • the sewing parts magazine 3 is designed in such a way that it comprises a first individual magazine 3a and a second individual magazine 3b.
  • the first individual magazine 3a is designed in such a way that it accommodates a stack of first sewing parts 1 arranged one on top of the other.
  • the second individual magazine 3b is designed in such a way that it accommodates a stack of second sewing parts 2 arranged one on top of the other.
  • the first and second sewing parts 1, 2 are aligned in a predetermined manner on a magazine table 4 and spaced apart from one another.
  • the stacks of sewing parts are held laterally by guide elements 5 which are fastened on the magazine table 4 so that they can be adjusted.
  • the sewing parts magazine 3 can be filled with the first and second sewing parts 1, 2 manually or by means of a device that is not shown.
  • the sewing machine loading device comprises a handling device 6 for removing the sewing parts 1, 2 from the sewing parts magazine 3, a positioning device 7 for positioning the two sewing parts 1, 2 in a predetermined Relative position to each other and a transport device 8 for further transport of the sewing parts 1, 2 from the positioning device 7 in the direction of the sewing machine.
  • the basic structure of the handling device 6 is based on the figures 1 and 2 out.
  • the handling device 6 comprises vacuum suction devices 9a, 9b with suction cups 10 which are attached to suction cup holders 11a, 11b.
  • the vacuum suction devices 9a, 9b can be moved vertically, ie in the z-direction, by means of motor-driven vertical slides 12a, 12b in order to place the suction cups 10 on the uppermost first sewn part 1 or second sewn part 2 of the sewn parts 1 stacked in the individual magazines 3a, 3b. 2 put on and lift the sewing parts 1, 2 from the stacks.
  • holding guides 13a, 13b are fastened to the vertical carriages 11a, 11b and extend in the y-direction.
  • the suction cup holders 11a, 11b can be displaced along the holding guides 13a, 13b and locked in that y-position in which the suction cups 10 are in the desired position above the associated stack of sewing parts.
  • the two vertical slides 12a, 12b are guided in a vertically displaceable manner on a common horizontal slide 14.
  • the handling device 6 is designed in such a way that the two vacuum suction devices 9a, 9b can be lowered and raised simultaneously and can be moved in the x-direction.
  • the horizontal slide 14 is mounted on a plate-shaped console 15 so that it can be displaced in the x-direction and can be moved between the sewing parts magazine 3 and the positioning device 7 by means of a suitable drive in order to position the sewing parts 1, 2 removed from the sewing parts magazine 3 in a manner described in more detail later placed on the positioning device 7.
  • figure 3 shows the positioning device 7.
  • This includes a first storage table 16 with a first storage surface 17 for the first sewing part 1 and a second storage table 18 with a second storage surface 19 for the second sewing part 2.
  • the storage tables 16, 18 can have table extensions 20, 21 in order to to be able to store long sewing parts 1, 2 as well.
  • the storage tables 16, 18 extend at least substantially in parallel horizontal planes and are arranged at different heights. Furthermore, the first storage table 16 is fastened to a guide plate 22 which is mounted on the console 15 so that it can be displaced in the x-direction.
  • the first storage table 16 can be moved by means of a suitable drive between an in figure 3 shown first position, in which the first storage table 16 is at least predominantly next to the second storage table 18, and in the figures 1 and 4 shown second position are moved, in which the first storage table 16 is at least predominantly under the second storage table 18.
  • the filing of the first and second sewn parts 1, 2 on the filing tables 16, 18 takes place in the illustrated embodiment not simultaneously, but sequentially.
  • the handling device 6 is moved to the storage tables 16, 18 arranged next to one another until the first sewing part 1 is in a predetermined position over is located on the first storage table 16, while the second sewing part 2 is in a predetermined position above the second storage table 18.
  • the first sewn part 1 is then placed on the first deposit table 16, as shown in figure 3 shown.
  • the first sewing part 1 is centered on the first storage table 16 in that the first sewing part 1 is placed on a centering pin 23 which is fastened on the first storage table 16 and protrudes upwards over it.
  • the first sewing part 1 has a corresponding centering tab with a centering hole.
  • the first storage table 16 is then moved together with the first sewing part 1 into a second position in which the first storage table 16 is located under the second storage table 18 in such a way that the first sewing part 1 is covered by the second storage table 18 and is exactly below that point of the second depositing table 18, on which the second sewing part 2 is to be deposited.
  • This second position is in the figures 1 and 4 shown.
  • the second storage table 18 initially remains stationary.
  • the centering pin 23 is located outside of the second storage table 18 so that it can be moved past the second storage table 18 .
  • first storage table 16 If the first storage table 16 is in the appropriate position below the second storage table 18, the first storage table 16 together with a first conveyor belt 24, which will be described in more detail later, is moved upwards by means of a suitable lifting device in such a way that the first sewn part 1 is slightly between the first conveyor belt 24 and the second storage table 18 is clamped.
  • the second vertical slide 12b is then lowered and the second sewn part 2 is placed on the second depositing table 18 .
  • the second sewing part 2 is again centered on the second depositing table 18 by the centering pin 23 , in that a centering tab of the second sewing part 2 that has a centering hole is pushed onto the centering pin 23 .
  • the two sewing parts 1, 2 are now in a suitable relative position one above the other, but are separated from one another by the second storage table 18.
  • the transport device 8 comprises the first conveyor belt 24 for transporting the first sewn part 1 and a second conveyor belt 25 for transporting the second sewn part 2.
  • both conveyor belts 24, 25 each have two encircling belts 24a, 24b; 25a, 25b which are arranged next to one another at a certain distance in order to prevent the first and second sewing parts 1, 2 from pivoting when the sewing parts 1, 2 are moved on the storage tables 16, 18.
  • the first conveyor belt 24 and the first delivery table 16 are fixedly connected to one another, so that the position of the first conveyor belt 24 relative to the first delivery table 16 remains unchanged. If the first storage table 16 is moved from the first position next to the second storage table 18 into the second position, in which it is covered by the second storage table 18, the first conveyor belt 24 is also moved accordingly.
  • the first conveyor belt 24 is arranged relative to the first storage table 16 in such a way that an upper conveyor belt section 26 , which runs parallel to the first storage surface 17 , is arranged slightly higher than the first storage surface 17 .
  • the first sewn part 1 placed on the first depositing table 16 thus rests on the upper conveyor belt section 26 and is additionally supported by the areas of the first depositing surface 17 lying laterally next to the conveyor belt section 26 .
  • the second conveyor belt 25 is designed identically or very similarly to the first conveyor belt 24, but relatively in the x-direction to the console 15 arranged stationary.
  • the second conveyor belt 25 is fastened to vertical carriages 27 in a height-adjustable manner, which are mounted on a stationary bearing bracket 28 .
  • the second conveyor belt 25 can be moved vertically by means of a suitable drive between a raised position, in which the second conveyor belt 25 is arranged at a distance above the second storage table 18 and the second sewing part 2 placed on it, and a lowered position, in which a lower conveyor belt section 29 of the second conveyor belt 25 rests on the second sewing part 2.
  • the lower conveyor belt section 29 runs parallel to the second storage area 19.
  • both delivery tables 16, 18 are initially in a position shown in Figure 1 is shown. In this position, the delivery tables 16, 18 are still in front of the second conveyor belt 25. Both delivery tables 16, 18 are then moved together with the first conveyor belt 24 in the x-direction so far that both sewing parts 1, 2 are in the starting area of the conveyor belts 24 , 25 arrive.
  • the second conveyor belt 25 is then lowered to such an extent that the lower conveyor belt section 29 rests lightly on the second sewn part 2 .
  • This position is in figure 5 shown.
  • both conveyor belts 24, 25 are in the x-direction so far over the storage tables 16, 18, as it is necessary that the two sewn parts, when they have been transported to the end of the conveyor belts 24, 25 after switching on the conveyor belts 24, 25, can be taken over by the sewn part manipulation device of the sewing machine, not shown.
  • the sewing part manipulation device can have a horizontal separating and guiding plate (not shown), which protrudes into the space between the two conveyor belts 24, 25 and extends to the second storage table 18, and upper and lower guiding and entrainment rollers, which first and second sewing part 1, 2 in the x-direction, d. h transverse to the sewing direction.
  • the centering pin 23 is lowered until it is outside the centering holes of the sewn parts 1, 2. In this way, the centering pin 23 does not impede the shifting of the sewing parts 1, 2 on the storage tables 16, 18.
  • the two conveyor belts 24, 25 are preferably friction conveyor belts, i. H. the conveyor belt sections 26, 29 of the circulating belts 24a, 24b; 25a, 25b lie with little pressure on the first sewing part 1 or second sewing part 2 and take the sewing parts 1, 2 with them without slipping by means of frictional force when the belts 24a, 24b; 25a, 25b are set in motion.
  • Both the lower surface and the upper surface of the second storage table 18 serve as sliding surfaces for the first sewing part 1 and second sewing part 2.
  • these surfaces are preferably provided with a friction-reducing material 30.
  • This friction-reducing material 30 can, for example, be in the form of elongate strips which are arranged above the first conveyor belt 24 and below the second conveyor belt 25, respectively.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP20189205.6A 2020-08-03 2020-08-03 Dispositif d'alimentation pour machines à coudre destiné au chargement automatique d'une machine à coudre en pièce à coudre Active EP3951039B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20189205.6A EP3951039B1 (fr) 2020-08-03 2020-08-03 Dispositif d'alimentation pour machines à coudre destiné au chargement automatique d'une machine à coudre en pièce à coudre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20189205.6A EP3951039B1 (fr) 2020-08-03 2020-08-03 Dispositif d'alimentation pour machines à coudre destiné au chargement automatique d'une machine à coudre en pièce à coudre

Publications (3)

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EP3951039A1 true EP3951039A1 (fr) 2022-02-09
EP3951039B1 EP3951039B1 (fr) 2024-03-13
EP3951039C0 EP3951039C0 (fr) 2024-03-13

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EP20189205.6A Active EP3951039B1 (fr) 2020-08-03 2020-08-03 Dispositif d'alimentation pour machines à coudre destiné au chargement automatique d'une machine à coudre en pièce à coudre

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EP (1) EP3951039B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752471A (en) * 1967-11-07 1973-08-14 Ivanhoe Research Corp Processes, systems, and composite systems for automating the manufacture of wearing apparel, headgear, footwear, components thereof and similar products
DE2644995A1 (de) * 1975-10-06 1977-04-14 Cluett Peabody & Co Inc Vorrichtung zum selbsttaetigen herstellen von genaehten erzeugnissen
DE102018103591A1 (de) * 2017-02-17 2018-08-23 Juki Corporation Nähsystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752471A (en) * 1967-11-07 1973-08-14 Ivanhoe Research Corp Processes, systems, and composite systems for automating the manufacture of wearing apparel, headgear, footwear, components thereof and similar products
DE2644995A1 (de) * 1975-10-06 1977-04-14 Cluett Peabody & Co Inc Vorrichtung zum selbsttaetigen herstellen von genaehten erzeugnissen
DE102018103591A1 (de) * 2017-02-17 2018-08-23 Juki Corporation Nähsystem

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Publication number Publication date
EP3951039B1 (fr) 2024-03-13
EP3951039C0 (fr) 2024-03-13

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