EP0237803B1 - Verfahren und Vorrichtung zum Konturennähen - Google Patents

Verfahren und Vorrichtung zum Konturennähen Download PDF

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Publication number
EP0237803B1
EP0237803B1 EP87102136A EP87102136A EP0237803B1 EP 0237803 B1 EP0237803 B1 EP 0237803B1 EP 87102136 A EP87102136 A EP 87102136A EP 87102136 A EP87102136 A EP 87102136A EP 0237803 B1 EP0237803 B1 EP 0237803B1
Authority
EP
European Patent Office
Prior art keywords
sewing
gripping
sewing machine
table top
sewn material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87102136A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0237803A2 (de
EP0237803A3 (en
Inventor
Helmut Schips
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.)
Schips AG
Original Assignee
Schips AG
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 Schips AG filed Critical Schips AG
Priority to AT87102136T priority Critical patent/ATE76126T1/de
Publication of EP0237803A2 publication Critical patent/EP0237803A2/de
Publication of EP0237803A3 publication Critical patent/EP0237803A3/de
Application granted granted Critical
Publication of EP0237803B1 publication Critical patent/EP0237803B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D05B35/10—Edge guides
    • D05B35/102—Edge guide control systems with edge sensors
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00—Use of special elements
    • D05D2207/02—Pneumatic or hydraulic devices
    • D05D2207/04—Suction or blowing devices

Definitions

  • the contour line determined by the cutting of the fabric edges to be sewn together can have the shape of a curve piece with an arbitrarily variable curvature.
  • the sewing machine 9 can be any industrial sewing machine known per se. Seen in the sewing feed direction behind the hold-down foot 16 of the sewing machine 9 is a drive motor by the latter operated and cooperating with their sewing material advancing auxiliary conveyor belt 27 for conveying elongated pieces of sewing material after the contour has been completed.
  • the auxiliary conveyor belt 27 can be pivoted up and down about the axis 6 of its left-hand roller 27. 1 visible in FIG. 3 simultaneously with the lifting or lowering movement of the hold-down foot 16 of the sewing machine 9.
  • FIG. 1 shows only one bar 36 suspended vertically from the rollers 31, on which a support plate 37, directed essentially at right angles to the longitudinal edges of the table top 12 and parallel to its surface, for two clamping plates 38, 39 and the middle one actuating them Gripping device 2 is attached in a manner to be described further below (cf. FIGS. 4a and 4b).
  • the two swivel arms 7, 8 each carry a pulley 60, 61 arranged above the respective movement path of the associated slide 32, 50, of which only that 60 of the shorter swivel arm 7 is shown in full in FIG. 1 and only one of the pulley 61 of the longer swivel arm 8 Part can be seen.
  • the pulley systems 60, 61 are each on the load side with a return drive for the respective carriage 32, 50, each fastened on the base plate 62, 63 of the respective pulley system 60, 61, and on the side of the actuating force introduction, each via a respective pivot arm 7, 8 mounted deflection roller 60.1, 61.1 connected to the end of the carriage 32, 50 facing away from the sewing machine 9.
  • the position indicators 25, 33, 52 and 56 are all designed as an inductive proximity switch.
  • the guides 71.2, 72.8, 73.2 of the pedestals 71.1, 72.1, 73.1 are directed parallel to one another and at right angles to the longitudinal edges of the table top 12 and under appropriately oriented, individual slots 12.1, 12.2, 12.3 the same in the frame of the material feed table 10 arranged.
  • the stands 71.1, 72.1, 73.1, which protrude through the slots 12.1, 12.2, 12.3 of the table top 12, together with the gripping devices 71, 72, 73 attached to them, can then be moved back and forth between the insertion station 14 and the transfer station 13, and each time the transfer station is started up 13 can be brought up to the corresponding gripping devices 1, 2, 3 thereof.
  • the middle 72 of the three gripping devices 71, 72, 73 assigned to the insertion station 14 can be lowered from the take-over station 13 to the insertion station 14 together with the associated base 72.1 below the surface of the table top 12 for the purpose of returning them below the floor.
  • the positioning is carried out simultaneously with the setting of the starting position of the gripping devices 2 and 3 on the two swivel arms 7 and 8.
  • Guide devices 80, 81 provided on the front of the table frame in FIG. 1 for the purpose of positioning said parts are visible. Further details can be found in the explanations for FIGS. 8 to 11b.
  • FIG. 4a illustrates the slide 32 of the shorter swivel arm 7 according to FIG. 3 again in an enlarged side view.
  • the construction for guiding the horizontal movement of the slide 32 on the shorter swivel arm 7 on the one hand and the lifting and lowering movement of the horizontal part 40 of the slide 32 along its vertical bar 36 on the other hand and the structure of the horizontal part 40 itself are shown in this figure in individual in mind.
  • the guide structure for the horizontal movements of the carriage 32 consists of the thin-walled guide plate 30 fastened to the shorter swivel arm 7 with the knife-like longitudinal edges and the rollers 31 with circumferential grooves, which are arranged on the surface of the vertical bar 36 facing the guide plate 30.
  • the vertical bar 36 has a further thin-walled and elongated guide plate 44 below the rollers 31, the two knife-like longitudinal edges of which, in turn, can each be moved along two rollers 45 formed with circumferential grooves.
  • the latter are mounted on a vertically bent connection plate 46 screwed to the support plate 37.
  • the structure of the horizontal part 40 can be seen in the lower image area of FIG. 4a and the top view in FIG. 4b below.
  • Two screw bolts 48 anchored on the support plate 37 penetrate a corresponding circular opening 38.1, 38.2, 39.1, 39.2 in the clamping plates 38, 39.
  • Each coil spring 49 is slipped over a screw bolt 48 and with its lower end against a stop ring 38.3 or 39.3 fastened around the circular opening 38.2 or 39.1 of the associated clamping plate 38 or 39 and with its upper end against a clamping nut screwed onto the associated screw bolt 48 49.1 supported.
  • the Pivoting movement of the clamping plates 38, 39 is thus restricted.
  • the two clamping plates 38, 39 each have a recess 41, the curved side of which, facing away from the swivel joint 47, is inserted along a correspondingly curved fabric guide plate 57 with a Tagentialauslauf pointing in the sewing feed direction and screwed to the support plate 37 .
  • the leading edges of the support plate 37 and the clamping plates 38, 39, to which the fabric layers of the sewing material N run during the sewing process, are designed to be inclined towards their outlet edges which are normal to the sewing feed direction. Starting from the support plate 37, the leading edges are increasingly set back in the sewing feed direction. The leading edge of the upper clamping plate 39 is bent up and the plates 37, 38, 39 become smaller and smaller in this order.
  • the longer swivel arm 8 can be seen on an enlarged scale with all the assemblies arranged thereon, with the exception of the complete pulley 61 already shown in FIG.
  • the pulley 61 arranged on the longer swivel arm 8 is illustrated together with the return drive 65 which is missing in FIG. 1 and the roller set 61.2 which is adjacent to it and is also not shown in the figure mentioned.
  • a pressure cylinder is provided as the return drive 64 (see FIGS. 1 and 3) or 65, the pressure piston 64.1, 65.1 of which has a special seal 64.2, 65.2 which ensures a small amount of friction during the stroke movement.
  • FIG. 6 shows the structure of a sleeve-like but differently designed slide 66 for the longer swivel arm 8 in basic and elevation, both in section and viewed from the rear.
  • a friction wheel 69 rolling on the surface of the longer swivel arm 8 and a turbine wheel 70 driving the latter as well as on both sides of it are on a shaft 67 which is mounted between two ball bearings 68 inside the slide 66 at right angles to its longitudinal axis
  • a connection channel 70.1 or 70.2 for the supply or discharge of a pressure medium, such as compressed air, is arranged on the wall of the slide 66.
  • a band cylinder is provided as the displacement drive 71.6 or 73.6.
  • the actuation of the guide devices 80, 81 takes place automatically as a result of a longitudinal adjustment of the middle gripping device 2 on the shorter swivel arm 7, the gripping device 3 movable on the longer swivel arm 8 also being adjusted accordingly (cf. also FIG. 2).
  • the displacement drives 71.6, 72.6, 73.6 of the gripping devices 71, 72, 73 of the insertion station 14 started with the help of a foot switch, not shown.
  • the gripping devices 71, 72, 73 transport the sewing material N to the gripping devices 1, 2 and 3 of the transfer station 13, the fabric edges of the sewing material N coming into the grip area of the latter.
  • the contour seam is first carried out along the hip arch, which forms the first section of the contour line K.
  • the sewing material feed device of the sewing machine 9 Under the action of the sewing material feed device of the sewing machine 9, the sewing material N is conveyed in the direction of the latter, the fabric edges passing between the photocells 18 in the sewing feed direction while the two gripping devices 2 and 3 are simultaneously moved on the swivel arms 7 and 8.
  • the sewing material N is thus mechanically guided in the direction of the sewing machine 9 by the gripping device 3 sliding on the stationary, longer swivel arm 8.
  • the fabric edges run through between the open support or clamping plates 37 and 38, 49 of the gripping device 2, which is also stationary, so that an exact merging of the gripping device remains guaranteed.
  • next sewing material N can be laid out at the insertion station 14.
  • the gripping device 3 guided on the longer swivel arm 8 comes to a standstill at the preset position indicator 33 at the end of this swivel arm facing the sewing machine 9.
  • the position indicator 33 effects on the one hand the loosening of the gripping device 3, so that the sewing material N can be conveyed further to a deposit after passing under the sewing needle 17 by the auxiliary conveyor belt 27.
  • the resetting of the two swivel arms 7, 8 and the two gripping devices 2, 3 which can be moved on them is also caused in their starting position, in which the latter can take over a new sewing material N.
  • Pulleys 60, 61 exert a weak counter pull on the material to be sewn during the sewing process, so that its fabric edges are fed to the sewing machine 9 in a tensioned state.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Details Of Garments (AREA)
EP87102136A 1986-02-17 1987-02-16 Verfahren und Vorrichtung zum Konturennähen Expired - Lifetime EP0237803B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87102136T ATE76126T1 (de) 1986-02-17 1987-02-16 Verfahren und vorrichtung zum konturennaehen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH619/86A CH670844A5 (es) 1986-02-17 1986-02-17
CH619/86 1986-02-17

Publications (3)

Publication Number Publication Date
EP0237803A2 EP0237803A2 (de) 1987-09-23
EP0237803A3 EP0237803A3 (en) 1989-03-15
EP0237803B1 true EP0237803B1 (de) 1992-05-13

Family

ID=4191223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87102136A Expired - Lifetime EP0237803B1 (de) 1986-02-17 1987-02-16 Verfahren und Vorrichtung zum Konturennähen

Country Status (6)

Country Link
US (1) US4841889A (es)
EP (1) EP0237803B1 (es)
JP (1) JPS62266093A (es)
AT (1) ATE76126T1 (es)
CH (1) CH670844A5 (es)
DE (1) DE3778940D1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3819262C1 (es) * 1988-06-06 1989-12-21 Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern, De
US5159874A (en) * 1990-09-06 1992-11-03 Union Special Corporation Aligning device for sleeve

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413891A (en) * 1944-12-29 1947-01-07 Joseph H Roy Mechanism for aligning the edges of sheet material
US3742879A (en) * 1970-12-03 1973-07-03 Usm Corp Automatic work guidance mechanism
US3722437A (en) * 1971-11-24 1973-03-27 P Winberg Intermediate clamp for contour seamer
FR2291305A1 (fr) * 1974-11-14 1976-06-11 Duerkoppwerke Tablette adaptable a une machine a coudre
US4050393A (en) * 1975-09-29 1977-09-27 Usm Corporation Method and apparatus for controlling an automatic bar tacking machine
DE2554022C2 (de) * 1975-12-02 1982-02-11 Dürkoppwerke GmbH, 4800 Bielefeld Werkstückführung
DE2607235C2 (de) * 1976-02-23 1982-12-30 Dürkoppwerke GmbH, 4800 Bielefeld Arbeitsstückführung für flexible Werkstücke
JPS52134544A (en) * 1976-05-04 1977-11-10 Kayaba Industry Co Ltd Automatic sewing machine
IT1071306B (it) * 1977-02-04 1985-04-02 Rockwell Rimoldi Spa Unita' di cucitura per l'assemblaggio di teli di tessuto
US4292908A (en) * 1978-10-02 1981-10-06 Levi Strauss & Co. Hemmer-seamer
IL66381A0 (en) * 1982-07-23 1982-11-30 Beta Eng & Dev Ltd Automatic sewing apparatus
IT1187885B (it) * 1985-03-16 1987-12-23 Pfaff Ind Masch Macchina per cucire con un sistema di governo del movimento di un organo di ritegno dell articolo da cucire

Also Published As

Publication number Publication date
EP0237803A2 (de) 1987-09-23
EP0237803A3 (en) 1989-03-15
JPS62266093A (ja) 1987-11-18
US4841889A (en) 1989-06-27
ATE76126T1 (de) 1992-05-15
DE3778940D1 (de) 1992-06-17
CH670844A5 (es) 1989-07-14

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