EP0240779B1 - Anordnung zum Zusammenlegen von flächigen Werkstücken - Google Patents

Anordnung zum Zusammenlegen von flächigen Werkstücken Download PDF

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Publication number
EP0240779B1
EP0240779B1 EP87103826A EP87103826A EP0240779B1 EP 0240779 B1 EP0240779 B1 EP 0240779B1 EP 87103826 A EP87103826 A EP 87103826A EP 87103826 A EP87103826 A EP 87103826A EP 0240779 B1 EP0240779 B1 EP 0240779B1
Authority
EP
European Patent Office
Prior art keywords
arrangement
workpiece
stations
stack
workpieces
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
Application number
EP87103826A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0240779A1 (de
Inventor
Wilhelm Engelbart
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.)
Meyer Herbert GmbH and Co KG
Original Assignee
Meyer Herbert GmbH and Co KG
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 Meyer Herbert GmbH and Co KG filed Critical Meyer Herbert GmbH and Co KG
Priority to AT87103826T priority Critical patent/ATE44985T1/de
Publication of EP0240779A1 publication Critical patent/EP0240779A1/de
Application granted granted Critical
Publication of EP0240779B1 publication Critical patent/EP0240779B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
    • D05B33/02—Devices incorporated in sewing machines for supplying or removing the work and connected, for synchronous operation, with the work-feeding devices of the sewing machine

Definitions

  • the invention relates to an arrangement for superimposing two and more flat workpieces stacked in magazine stations designed as lifting tables in a predetermined mutual position on the laying table of a depositing station with the aid of a device for separating stacked workpieces and of traversing means for successively removing the workpieces from the Magazine stations and for positioned storage on the laying table of the storage station.
  • the invention has for its object to provide a further solution for an arrangement for the automatic folding of flat workpieces of the type described in the introduction, which manages with transition times from one batch of workpieces to another batch of workpieces of different sizes and shapes with extremely short changeover times the use of such arrangements, particularly in the manufacture of ready-made clothing, is significantly increased in their efficiency.
  • the invention is based on the essential finding that when a workpiece is separated from the workpiece stack, it is entirely sufficient to lift the workpiece to be separated on one side, in order then to use this opening gap to pull this workpiece by means of a film-like carrier with a slidable surface texture, for example a Teflon film, which may be tensioned peel between the workpiece to be separated and the workpiece stack to a certain extent from the workpiece stack.
  • the workpiece grippers of the separating device then only have to be aligned on the workpiece distributed along this one edge. This can be done very quickly and easily when changing batches.
  • separating devices such as are described, for example, in the cited document DE-A 33364226
  • a workpiece is separated from the workpiece stack by completely lifting this workpiece with the aid of a larger number of workpiece grippers, which grip the workpiece evenly on the circumference and in the central region of this workpiece .
  • most of the workpiece grippers usually have to be realigned with regard to the contour surface now available, which is time-consuming .
  • the simple reciprocating movement of the carrier between the magazine stations and the depositing station enables a depositing process to be carried out much more quickly than is possible with a conventional lifting device attached to a carriage.
  • the single figure shown in the drawing shows a perspective view of a preferred embodiment of the arrangement according to the invention with two magazine stations and a storage station, which are arranged in a row one behind the other.
  • a and B represent two magazine stations and C the storage station.
  • Each of the magazine stations A and B has a lifting table 1 with a spindle gear 2 for height adjustment, on each of which there is a workpiece stack 3 with three partial stacks 31, 32 and 33.
  • the partial pel 31, 32 and 33 are each arranged according to their size one above the other so that the smallest partial stack 33 is the uppermost partial stack.
  • the magazine stations A and B have a separating device above the lifting table 1 and above the workpiece stacks 3 placed thereon.
  • This separating device 4 consists of a lifting plate 6 which is adjustable in the vertical direction on a lifting cylinder 5 and on the underside of which finger-shaped workpiece grippers 61, 62 and 63 are arranged.
  • the workpiece grippers 61, 62 and 63 are arranged on the lifting plate 6 so that they are aligned along the edge of the workpieces of the workpiece stack 3 on the side of the storage station C.
  • the spindle drive 2 of the magazine stations A and B is controlled in each case by a light switch 7 so that the uppermost workpiece of the workpiece stack 3 is always in a predetermined removal level regardless of the height of the workpiece stack.
  • two blowing nozzles 8 are also provided on the rear of the lifting table 1 of the magazine stations A and B, the air flow of which supports the separation process when a workpiece is separated from the workpiece stack 3.
  • the partial stacks 31, 32 and 33 are stacked one above the other in such a way that they each abut together with a contour edge on the stop 9 in the form of a strip at the rear edge of the lifting table 1.
  • the workpiece gripper 63 which is furthest away from this stop 9, is adjustably arranged on the lifting plate 6 via a drive 63a.
  • the workpiece gripper 63 is additionally assigned a light scanner 63b which, when changing from one partial stack to the next, causes the workpiece gripper 63 to be moved forward until its light beam directed downward onto the workpiece stack 3 is reflected.
  • each of the partial stacks 31, 32 and 33 is covered from above with a template 31 a or 32 a which is adapted to the contour surface of the workpieces of this partial stack and which has a light-reflecting partial surface 30 on its upper side below the adjustable workpiece gripper 63 in the form of a glued-on reflection film.
  • the uppermost partial stack 33 which has already been partially processed, understandably does not show the template originally covering this partial stack 33.
  • the storage station C has a conveyor belt 10 as a storage table, which is oriented perpendicular to the row of stations in its conveying direction.
  • a sliding frame 12 is attached to lifting cylinders 11 in the vertical direction on a mounting frame, not shown, above the conveyor belt 10.
  • three light sensors 13 are fixedly mounted in a suitable mutual arrangement on this mounting frame for controlling the positioning of the workpieces to be placed on the conveyor belt, the light beam of which is oriented downward onto the laying table.
  • the sliding frame 12 also has drives 14 and 15 controlled by the light switches 13 for its sliding movement in the direction of the row of stations arranged one behind the other and in the direction perpendicular thereto.
  • an endless drive belt 17 guided over deflection rollers 16 is provided on each side. Both drive belts 17 are moved together by a drive 19 via a shaft 18 connecting the deflection rollers 16. Between these two drive belts 17 is spanned over brackets 20 of the carrier 21 across the entire width of the stations, in fact at the level of acceptance in the area of the magazine stations A and B. In this way, the film-like carrier 21 can be moved between the different stations. It has the light-reflecting partial surfaces 21 a, 21 b and 21 required for the control of the drives 14 and 15 of the sliding frame 12 by the light sensors 13, which are located in their travel position above the conveyor belt 10 in the region of the light beams of these light sensors 13 .
  • the workpiece stack 3 on the magazine station A consists of jacket outer fabric parts which have been cut in the usual way so that the same fabric sides lie on top of one another in the case of successive workpieces in the stack.
  • the same is said to apply to the workpiece stack 3 on the magazine station B, which consists of inserts corresponding to the outer material parts on the magazine station A.
  • the template covering the uppermost partial stack 33, on the light-reflecting partial surface of which the light scanner 63b of the workpiece gripper 63 has been oriented for controlling the setting of this workpiece gripper, has already been removed on both magazine stations A and B.
  • the now uppermost workpiece on the partial stack 33 lies on the magazine station A with its outside of the fabric facing downwards and on the magazine station B with its side having the adhesive dot grid facing up.
  • the carrier 21 is now moved over the magazine station B to the magazine station A.
  • the top workpiece is gripped simultaneously by lowering the lifting plate 6 with its workpiece grippers 61, 62 and 63 onto the workpiece stack 3, and an opening slit between the gripped edge and simultaneous activation of the blowing nozzles 8 by raising the lifting plate 6 again created this workpiece and the workpiece stack for the carrier 21.
  • the carrier 21 moves into this opening slot up to its end position above the magazine station A and thereby peels off this workpiece from the workpiece stack.
  • the carrier 21 then moves with the workpiece separated from the workpiece stack 3 into its end position on the right-hand side above the conveyor belt 10 of the storage station C.
  • the sliding frame 12 lowers onto the workpiece and depending on the control of the light sensors 13, in cooperation with the light-reflecting partial surfaces 21a, 21b and 21c, it moves into the predetermined position.
  • the lifting plate 6 of the magazine station B lowers with its workpiece grippers 61, 62 and 63 onto the workpiece stack 3 representing the insert parts and then lifts the uppermost workpiece on the part of the storage station C with simultaneous action of the blowing air of the blowing nozzles 8.
  • the carrier 21 By moving the carrier 21 towards the magazine station B again, the workpiece held on the underside of the sliding frame is stripped from the carrier 21 and placed on the conveyor belt 10 in the held position.
  • the sliding frame 12 then moves back into its raised starting position.
  • the carrier 21 in turn moves into the slot opening between the raised workpiece and the rest of the workpiece stack 3 and now peels off this workpiece, which represents an insert part, from the workpiece stack 3.
  • the carrier 21 moves the workpiece again over the conveyor belt 10 of the storage station C and play with the sliding frame 12 begins anew.
  • the insert 21 is then used to first pick up an insert part from the workpiece stack 3 of the magazine station B and finally a workpiece from the magazine station A and in the predetermined position in each case is deposited exactly over the workpiece underneath.
  • the sandwich which has been folded in this way is now, while the carrier 21 is again traveling to the magazine station A, to bring the first workpiece for the folding of another sandwich, via the conveyor belt 10 to the next processing station, which can be, for example, a hand station, for further laying work to make this sandwich.
  • the adjustable workpiece gripper 33 orients itself on the template 32a in connection with the light-reflecting partial surface 30 on the new partial stack 32 in such a way that it is displaced in the direction from that long until the light scanner receives its own reflected light.
  • the templates are then removed in the same way as the workpieces, placed on top of each other on the conveyor belt and then removed at the next work station.
  • the automatic positioning of the individual workpieces on the carrier 21 above the conveyor belt 10 of the storage station C using the Uchttaster 13 in cooperation with the light-reflecting partial surfaces 21a, 21b and 21c is carried out in such a way that the sliding frame 12 first via its drive 15 Workpiece is moved in the backward direction until the light sensor 13 no longer receives its own reflected light at the rear left. Then the drives 14 are activated by the light buttons 13 on the right side at the front and rear and the sliding frame 12 is shifted to the right until the two light buttons no longer receive their own reflected light. In this simple manner, positioning of the workpieces to be placed on top of each other with millimeter precision can be achieved in a simple manner.
  • the finger-shaped workpiece grippers 61, 62 and 63 are expediently designed as adhesive tape recorders, as are described in detail in the literature reference DE-A 3336426.
  • the film-like carrier 21 can be designed quite differently.
  • a stretched film for example a Teflon film, it can also consist of a thin steel sheet or a thin elastic single or multi-layer plastic plate.
  • the conveyor belt 10 is aligned perpendicular to the direction of travel of the film-like carrier 21.
  • the arrangement of the conveyor belt can also be carried out so that its conveying direction is in the direction of travel of the carrier 21.
  • the arrangement according to the invention can be used with advantage wherever in the course of manufacturing flat workpieces are to be automatically placed one above the other and when processing batches of different sizes and shapes in small numbers, particularly short machine changeover times are important for the efficient use of such arrangements.
  • the preferred area of application is the production of men's and women's outer clothing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Sewing Machines And Sewing (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Table Devices Or Equipment (AREA)
  • Press Drives And Press Lines (AREA)
EP87103826A 1986-03-27 1987-03-17 Anordnung zum Zusammenlegen von flächigen Werkstücken Expired EP0240779B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87103826T ATE44985T1 (de) 1986-03-27 1987-03-17 Anordnung zum zusammenlegen von flaechigen werkstuecken.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3610483 1986-03-27
DE19863610483 DE3610483A1 (de) 1986-03-27 1986-03-27 Anordnung zum zusammenlegen von flaechigen werkstuecken

Publications (2)

Publication Number Publication Date
EP0240779A1 EP0240779A1 (de) 1987-10-14
EP0240779B1 true EP0240779B1 (de) 1989-07-26

Family

ID=6297454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103826A Expired EP0240779B1 (de) 1986-03-27 1987-03-17 Anordnung zum Zusammenlegen von flächigen Werkstücken

Country Status (6)

Country Link
US (1) US4753428A (enrdf_load_stackoverflow)
EP (1) EP0240779B1 (enrdf_load_stackoverflow)
JP (1) JPS6312565A (enrdf_load_stackoverflow)
AT (1) ATE44985T1 (enrdf_load_stackoverflow)
CA (1) CA1295586C (enrdf_load_stackoverflow)
DE (2) DE3610483A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20120364A1 (it) * 2012-12-05 2014-06-06 Omac Srl Macchina per la lavorazione di articoli di pelletteria
CN108893876B (zh) * 2018-09-25 2023-10-13 广东溢达纺织有限公司 车缝定位装置及自动车缝设备

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2006071A (en) * 1931-07-06 1935-06-25 Herbert E Edwards Assembling machine
US3083961A (en) * 1960-06-23 1963-04-02 Pfaff Ag G M Pickup device for use in feeding mechanism and the like
GB961371A (en) * 1962-05-29 1964-06-17 Kemp Applic Ltd Improvements relating to sheet feeding devices
US3386396A (en) * 1965-06-29 1968-06-04 Jacobs Machine Corp Combined automatic sewing assembly
US3544098A (en) * 1965-07-30 1970-12-01 Ivanhoe Research Corp Methods and apparatus for automatically transferring and registering fabric workpieces
US3664657A (en) * 1965-07-30 1972-05-23 Ivanhoe Research Corp Methods and apparatus for automatically transfering and registering fabric workpieces and for combining them
US3611957A (en) * 1970-01-26 1971-10-12 Farah Mfg Co Inc Pocket blank forming machine
JPS5015265A (enrdf_load_stackoverflow) * 1973-05-09 1975-02-18
US3945632A (en) * 1973-05-22 1976-03-23 Usm Corporation Machine for assembling flexible workpieces
DE2411300C2 (de) * 1974-03-09 1976-04-29 G. Siempelkamp & Co, 4150Krefeld Einrichtung zum Zusammenlegen einer unteren Decklage, einer Mittellage und einer oberen Decklage zu einem Stapel im Zuge der Herstellung von vergüteten Trägerplatten und dgl
US3964953A (en) * 1975-03-25 1976-06-22 Union Camp Corporation Apparatus and method for laminating liner to box blank
US4198041A (en) * 1976-05-26 1980-04-15 Cluett, Peabody & Co., Inc. Method and apparatus for handling, positioning and assembling fabric plies
CA1069949A (en) * 1976-07-01 1980-01-15 Hubert Blessing Facing ply separator
JPS5545455A (en) * 1978-09-26 1980-03-31 Oji Giken Kk Livinggbody feedback training device
US4343255A (en) * 1979-05-01 1982-08-10 Starkville Tool And Die Company Automated placket shirt machine
FR2456691A1 (fr) * 1979-05-18 1980-12-12 Anvar Procede de positionnement d'une piece souple en feuille sur une surface de support et installation de manutention faisant application de ce procede
DE3016676C2 (de) * 1980-04-30 1982-06-16 Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern Automatische Nähanlage zum randgleichen Zusammennähen zweier Nähgutanlagen
JPS5725458A (en) * 1980-07-18 1982-02-10 Kanai Hiroyuki Core fabric material
DE3236677A1 (de) * 1981-11-26 1983-06-01 Veb Kombinat Textima, Ddr 9010 Karl-Marx-Stadt Verfahren und vorrichtung zum umstapeln textiler flaechengebilde
DE3218189A1 (de) * 1982-05-14 1983-11-17 Rotex Maschinen GmbH, 5600 Wuppertal Vorrichtung zum entnehmen und ablegen von flaechenhaften teilen, insbesondere textilteilen
DE8304012U1 (de) * 1983-02-12 1983-09-15 August Wilhelm Andernach KG, 5300 Bonn Sturzverhinderer fuer einen schraegaufzug
DE3336426A1 (de) * 1983-10-06 1985-04-18 Maschinenfabrik Herbert Meyer KG, 8000 München Vorrichtung zum aufnehmen flaechiger werkstuecke
DD222864A1 (de) * 1983-11-09 1985-05-29 Karl Marx Stadt Tech Hochschul Verfahren und vorrichtung zum ausrichten von stueckigen flaechengebilden
US4708333A (en) * 1984-11-23 1987-11-24 State Of Israel, Ministry Of Defense, Rafael Armament Development Authority Method and apparatus for separating, feeding and/or folding sheets
US4688499A (en) * 1986-12-01 1987-08-25 Collins & Aikman Corporation Apparatus for automatically fabricating textile articles such as bath throw rugs and the like

Also Published As

Publication number Publication date
DE3610483A1 (de) 1987-10-08
DE3760369D1 (en) 1989-08-31
JPH0573667B2 (enrdf_load_stackoverflow) 1993-10-14
EP0240779A1 (de) 1987-10-14
US4753428A (en) 1988-06-28
JPS6312565A (ja) 1988-01-19
ATE44985T1 (de) 1989-08-15
CA1295586C (en) 1992-02-11

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