EP0401234A1 - Vorrichtung zum bilden und vernähen von falten. - Google Patents
Vorrichtung zum bilden und vernähen von falten.Info
- Publication number
- EP0401234A1 EP0401234A1 EP89901947A EP89901947A EP0401234A1 EP 0401234 A1 EP0401234 A1 EP 0401234A1 EP 89901947 A EP89901947 A EP 89901947A EP 89901947 A EP89901947 A EP 89901947A EP 0401234 A1 EP0401234 A1 EP 0401234A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strips
- pair
- folding
- pairs
- folds
- 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
Links
- 238000009958 sewing Methods 0.000 claims description 23
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000004744 fabric Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000032258 transport Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 102000004315 Forkhead Transcription Factors Human genes 0.000 description 1
- 108090000852 Forkhead Transcription Factors Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/08—Work-feeding or -handling elements not otherwise provided for for ruching, gathering, casing, or filling lace, ribbons, or bindings; Pleating devices; Cuttlers; Gathering feet; Crimpers; Curlers; Rufflers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06J—PLEATING, KILTING OR GOFFERING TEXTILE FABRICS OR WEARING APPAREL
- D06J1/00—Pleating, kilting or goffering textile fabrics or wearing apparel
Definitions
- the invention relates to a device according to the preamble of patent claim 1.
- a device of this type is known from DE-PS 24 28 598.
- a folding shaft made of two parallel rods is provided for the formation of folds, one end of which cantilevers freely in the sewing direction, into which a loop which is wrapped and sewn around the two rods is drawn by a folding sword to form a double fold. It can be drawn into the folding shaft to a greater or lesser depth so that the depth of the folds can be varied.
- the rods can be designed as thin but stable wires or thin, narrow, strip-shaped spatulas. They are arranged together with a stop determining the loop width and the workpiece clamp which transports the double fold for sewing through the stitch formation point of a sewing machine on a slide which is movable relative to the needle. The rods can also be moved out of the area of the workpiece in order to make it easier to insert and remove the workpiece.
- a device for the simultaneous formation of several folds is known from DE-OS 34 05 721.
- This device is used as a workpiece clamp for sewing devices for sewing the edge zones of chuck and outer fabric in the tip and side corner area of a tie and is equipped with three articulated clamping plates to clamply hold the lining and the outer fabric in connection with a tensioning device between the clamping plates, the middle plate on its side facing the outer fabric having a central folding sword and side webs for forming a middle fold and two side folds for receiving outer fabric width is formed.
- the workpiece clamp is equipped on the upper plate, which clamps the outer fabric, with folding slides for folding and holding down the side gussets formed on the side corners, which, together with the clamping plates, clamp the materials to be sewn at the edge zones.
- Folded edges are formed on supports elastically connected to the upper clamping plate.
- the folded edges come into contact with the outer fabric on both sides of the webs following the formation of the middle fold.
- the folding edges provided between the tip and the side corner region are designed such that they come into contact with the outer fabric when the upper clamping plate is lowered following the formation of the middle fold before the other folding edges are put on. Since the folding processes take place one after the other, it is achieved that the fabric or the additional width is drawn from defined ' places in the blank part to the folds. Additional pneumatically actuated slides are provided to flatten the gussets after they have been formed.
- This known device is only used to form simple folds on workpieces of uniform size provided in which the folds are always formed in the same place.
- DE-PS 26 29 117 should also be mentioned, by means of which a folding device arranged in the area of the stitch formation point of a sewing machine with a plurality of folding plates arranged at a distance from one another is known, each in pairs with a fork-shaped folding slide cooperate to form a multiple fold, several of which are formed one after the other, for example at the edge of curtains, the fork-shaped folding slides being displaced in opposite directions.
- Each multiple fold consists of two single folds which are arranged in mirror-image spacing from one another and which are covered by a common central part. The multiple fold is fixed in this folded state by means of needles which can be moved in height and which, after lowering a printing tape which transports the area of the multiple fold through the sewing station, are pulled out of the latter on the multiple fold.
- the invention has for its object to design a device according to the preamble of claim 1 such that a double fold and a plurality of single folds can be formed simultaneously on a workpiece and can also be laid flat with the folding tools.
- the advantage of the invention is that folds of different shapes can be formed in a relatively simple manner and can be brought into a position required for fixing by sewing. It is possible to first pull out a double fold in the middle of the workpiece, for example a blouse or shirt back part, by folding in the hinge-like strips of the first pair of strips, the material from the outside through the then not yet closed outer part
- Folding tools is easily and freely retightened, then by pulling the hinge-like strips in the stretched position to pull out the single folds laterally from the middle double fold and finally all folds by appropriate
- the constructive design of the strips of the first and third pair of strips for holding the folding tools and the design of the folding tools and the design of the folding tools according to claim 3 allow the folding tools to be repositioned and supplemented in a simple manner and thus the distance between the folds to one another as well as changing their number.
- the measure according to claim 4 serves to secure the position of the folding tools.
- the arrangement of the hinge-like strips on a separate holder via handlebars according to claim 5 represents a particularly simple solution to make the strips movable between the stretched and a tilted position and relative to the other pairs of strips.
- the links compensate for the distance between the articulation points that changes when pivoting about the hinge axis.
- the slide In order to insert and remove the folded goods lighter, the slide can be moved with the pairs of strips carrying the folding tools as indicated in claim 8.
- Fig. 1 is a diagrammatic overall view of one
- FIG. 2 shows a diagrammatic representation of the folding station seen from the rear
- Fig. 8 is a side view of part of the
- Transport device with the workpiece taken over from here, the folded edge of which was covered with a fitting part after the removal of the folding tools at the end of the folding process;
- Fig. 9 is a section along the line IX-IX of Fig. 3;
- Fig. 11 is a diagrammatic view of the hinge connection of the first pair of strips.
- the overall system is arranged on a frame (1) in which a plurality of wide endless conveyor belts (2) and a narrow endless conveyor belt (3) are guided over rotatably mounted rollers (4), FIG. 8.
- An upper endless conveyor belt (5) which is driven synchronously with the lower conveyor belts (2, 3), works with the narrow conveyor belt (3) to move a workpiece (W) past the stitch formation point of a sewing machine (6), FIG. 1.
- the conveyor belt (5) is guided on one side of the frame (1) around a deflection roller (7), FIGS. 1 and 8, which is rotatably mounted on a mounting rail (8).
- the lower run of the conveyor belt (5) is under the action of pressure rollers (9) on levers (10), which are pivotally mounted at intervals on the mounting rail (8) and each with a tension spring ( 11) are biased against the lower run of the conveyor belt (8).
- an angle (12) is attached to which a pneumatic cylinder (13) is attached, the piston rod (13a) of which can be moved under the lower run of the conveyor belt (5).
- two vertical slide rods (14, 15) each with a clamp (16, 17), (Fig. 2), attached through a hole in two guide blocks (18, 19) on one with the Frame post (20, 21) firmly connected cross strut (22) are carried out.
- Two pneumatic cylinders (23, 24) are also attached to the cross strut (22), the piston rods (25 and 26) of which are attached to the mounting rail (8).
- the pneumatic cylinders (23, 24) serve to raise and lower the right of the in Fig. 1
- Piston rod (13a) of the pneumatic cylinder (13) over the area of the conveyor belt (5) located above the folding station.
- the lower strand of the upper conveyor belt (5) which engages with the workpiece is towards the sewing machine (6) around a roller (28) which is rotatably mounted on a frame structure (27) of the frame (1) provided for the arrangement of guide rollers roller (29) mounted behind the stitch formation point of the sewing machine (6) upwards, via further rollers (30 to 33) around a pneumatically operable chain separator (34) down again for engagement with the workpiece (W) behind the chain separator (34) , from there as an upper run around a roller (35) in an obliquely upward direction around another roller (36) to the right-hand side with reference to FIG (38) standing lever (39) rotatably mounted tensioning roller (37), over a roller (40) and under a roller (41) through to the deflection roller (7).
- Pressure roller pairs (44, 45) are provided for the lower run of the conveyor belt (5), which can be raised or lowered by means of a pneumatic cylinder (46 or 47).
- a slide (48) is provided for attaching the folding tools, their carriers and drive devices, which is mounted on two slide rods (49, 50) attached to the frame posts (20, 21) perpendicular to the transport and sewing direction, arrow V, FIG. 1 a pneumatic cylinder (51) attached to the frame (1) is displaceable, the piston rod (52) of which engages on a web (53) of the slide (48).
- Two adjusting rings (54, 55 and 56, 57) are attached to each slide rod (49, 50) to limit the sliding movement of the slide (48).
- a vertical slide rod (58, 59) is made through holes in the carriage (48) near its side ends.
- a carrier 60 or 61
- the piston rod (64) of the pneumatic cylinder (62) is connected to a shoulder (65) of the carrier (60) and the piston rod (66) of the pneumatic cylinder (63) is connected to a shoulder (67) of the carrier (61).
- an adjusting ring (68) is attached to the slide rod (58) and an adjusting ring (69) is attached to the slide rod (59).
- a driving block (70 or 71) is fastened with a flat bar (72, 73) screwed onto the top, which extends over one side of the driving blocks (70, 71) protrudes.
- a set screw (74, 75) for adjusting the height of the slide rods (58, 59) is located in the free end of each flat bar (72, 73) provided with a threaded bore. screwed, the lower, not shown end is designed as a pin and protrudes into a support bearing (76, 77) in the carriage (48).
- the widened front ends (60a, 61a) of the carriers (60, 61) which are adjacent to the conveyor belts (2, 3, 5) are connected by two horizontally oriented rods (78, 79) which are spaced apart and on which two sliding pieces ( 80, 81) are slidably arranged.
- Three superimposed cross-sections consisting of strips (86, 87; 88, 89; 90, 91) serve as supports for the folding tools of the device
- the first pair of strips (86, 87) is connected in the middle by a bolt (92) in a hinge-like manner, to which the piston rod (94), which is provided at the end with a receiving head (93) for the bolt (92), is fastened to the frame (1) P ⁇ eumatikzylinders (94a) attacks.
- the outer end of the strips (86, 87) is connected to a holding rail (97) by a link (95 or 96). At the outer ends of the holding rail (97), the piston rod (99) engages one pneumatic cylinder (100) each via a fork head (98).
- Pneumatic cylinders (100) are arranged at the angles (82 and 83).
- the bar (88) is near one end by several screws (103) (Fig. 10) on the flat iron piece (84) and the slide (80) and the bar (89) is also by screws (103) on the flat iron piece (85) and attached to the slider (81).
- a horizontal guide web (104) (FIG. 9) for a groove (105) in the strips (88, 89) is provided on the vertical leg of the bracket (82, 83).
- the strips (90, 91) of the third pair of strips have a groove (106) (FIG. 9) on the underside into which a guide web (107) formed on them engages.
- a number of horizontal bores (108) and an equal number of vertical slots (109) corresponding to the bore diameter are provided on the side adjacent to the conveyor belts (2, 3, 5).
- Z-shaped folding tools (110 and 112) and two straight folding bars (111) are provided to form folds by twisting them twice at an angle.
- the folding tools (110) are inserted in the desired number and at the desired spacing of the side folds (SF) to be formed with one horizontal leg into a bore (108) in the strips (90, 91) of the third pair of strips.
- the middle part is received in a vertical slot (109) so that it cannot rotate, and the horizontal leg of the folding tools (110) protruding from the strips (90, 91) serves as a folding sword.
- the straight folding bars (111) fitted into bores at the opposite ends of the strips (88, 89) serve as folding swords when forming the middle double fold (DF).
- two of the Z-shaped folding tools (112) are provided, which also have a horizontal leg in a bore (108) and for torsion protection with the middle section in a vertical slot (109) the strips (86, 87) of the first pair of strips are inserted, while their other horizontal leg protrudes from the strips (86, 87) and serves as a holder for the fabric.
- U-shaped plates (113) are used, one of which is applied to the strips (90, 91) from above is pushed over the middle part of the folding tools (110) in the slots (109) and onto the strips (86, 87) from below over the middle part of the folding tools (112) in the slots (109).
- a thrust roller (114) is rotatably mounted on the angles (82, 83) and the flat iron pieces (84, 85).
- Two pneumatic cylinders (115) are provided for opposing displacement of the strips (88, 89) of the second pair of strips.
- the end of the housing of one tire atikyzlinders (115) is on the carrier (60) and that other end of the housing of the other pneumatic cylinder (115) attached to the carrier (61).
- the piston rod (116) of one pneumatic cylinder (115) engages on the slide (80) to which the strip (86) is attached and the piston rod (116) of the other pneumatic cylinder (115) on the slide (81) on which the Bar (87) is attached.
- Two pneumatic cylinders (117) are provided for opposing displacement of the strips (90, 91) of the third pair of strips.
- the end of the housing of one of them is attached to the front end (60a) of the carrier (60) and the end of the housing of the other pneumatic cylinder (117) to the front end (61a) of the carrier (61).
- the piston rod (118) of one pneumatic cylinder (117) engages the bar (90) and the piston rod (118) of the other pneumatic cylinder (117) engages the bar (91).
- a pneumatic cylinder (119, FIG. 2) arranged on the frame (1) is provided, the piston rod (120) of which is clamped with the rods (78, 79) and clamped (121 ) is connected to them.
- a workpiece (W) is then inserted between the projecting legs of the folding tools (110 and 111) on the one hand and the projecting legs of the folding tools (112) on the other hand, as can be seen in FIG. 3.
- the pair of strips (86, 87) connected in a hinge-like manner is then moved by the piston rod (94) of the pneumatic cylinder (94a) from the extended position shown in FIG. 3 to a bent position shown in FIG. 4.
- the folding swords (110, 111) and the holder (112) perform a relative movement so that the two middle folds of the double folds (DF) are pulled out deeper than the side folds (SF).
- the length of the material required for the formation of folds is thus traced from the outside without hindrance, because the workpiece (W) wraps around the outer * folding tools (110 and 112) at a small angle, i.e. the friction is much less than if all folds would be pulled out to the same depth at the same time.
- the procedure for the registration object enables the processing of longer or larger workpieces with a plurality of folds.
- the first pair of strips (86, 87) is then brought into the extended position according to FIG. 5 by corresponding compressed air control of the pneumatic cylinders (94a and 100).
- the second and third pairs of strips (88/89, 90/91) become correspondingly downward by appropriately actuating the pneumatic cylinders (62, 63 and 119) and at the same time by the pneumatic cylinders (94a and 100) the first pair of strips (86/87) moved upward so that the protruding horizontal legs of the folding tools (112) maintain their height with respect to the workpiece support surface and the second and third pairs of strips (88/89 and 90/91) are moved towards the first pair of strips (86/87).
- the strips (88, 89) of the second and the strips (90 and 91) of the third pair of strips are each moved in opposite directions to one another by the pneumatic cylinders (115 and 117), namely the
- the individual folds drawn out in the vertical direction, shown in FIG. 5, are flattened out in the described movement sequences of the three pairs of strips (86/87, 88/89, 90/91) in such a way that the two individual folds close to one another in the middle by 90 a double fold (DF, Fig. 7) and the individual folds on both sides of the double fold (DF) are each 90 ° to the outside folds (SF, Fig. 7).
- the folding process is now complete.
- a so-called fitting part (P) is then placed on the flat folds (DF and SF) and the carrier rail (8) with the part of the upper conveyor belt (5) located above the folding station is lowered and activated by actuating the pneumatic cylinders (23, 24) the piston rod (13a) of the pneumatic cylinder (13) is withdrawn.
- the workpiece (W) provided with folds (DF and SF) is pressed together with the fitting part (P) through the lower run of the conveyor belt (5) by the pressure rollers (9) onto the lower conveyor belt (3).
- the conveyor belts (2, 3, 5) are now switched on and the workpiece (W) with the fitting part (P) in the direction of the arrow (V, Fig. 1) through the sewing station for sewing the folded workpiece (W) to the fitting part (P) transported.
- Light barriers for switching the sewing machine (6) and the thread chain separator (34) on and off can be arranged in the transport path, so that the sewing machine (6) and the thread chain separator (34) are switched on and off depending on the workpiece.
- the conveyor belts and the sewing machine can also be switched off depending on the workpiece. As soon as the end edge of the sewing material has passed the roll (28, Fig.
- the part of the upper conveyor belt (5) located above the folding station can be moved through the piston rods (25, 26) of the pneumatic cylinder (23 or 24) raised to the position shown in FIG. 1 and the folding device with the frame (48) through the pneumatic cylinder (51) on the slide rods (49, 50). transversely to the direction of transport, arrow V, FIG. 1, in the loading position of the folding tools (110, 111, 112) on the three pairs of strips (86/87, 88/89, 90/91) are shifted so that the next workpiece (W ) between the folding swords (110 and 111) on the one hand and the holder (112) on the other hand and the process described can begin again.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
- Treatment Of Fiber Materials (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3804376 | 1988-02-12 | ||
DE3804376A DE3804376C1 (de) | 1988-02-12 | 1988-02-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0401234A1 true EP0401234A1 (de) | 1990-12-12 |
EP0401234B1 EP0401234B1 (de) | 1992-06-03 |
Family
ID=6347275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89901947A Expired - Lifetime EP0401234B1 (de) | 1988-02-12 | 1989-02-02 | Vorrichtung zum bilden und vernähen von falten |
Country Status (7)
Country | Link |
---|---|
US (1) | US5080030A (de) |
EP (1) | EP0401234B1 (de) |
JP (1) | JPH03502411A (de) |
KR (1) | KR920000852B1 (de) |
DE (2) | DE3804376C1 (de) |
ES (1) | ES2013001A6 (de) |
WO (1) | WO1989007675A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3798298B2 (ja) * | 2000-12-01 | 2006-07-19 | 株式会社瑞光 | 回転装置、着用物品の搬送方法およびウェブの搬送方法 |
JP4949691B2 (ja) * | 2006-02-01 | 2012-06-13 | ユニ・チャーム株式会社 | シート状構造体の製造システム及び製造方法 |
JP4949690B2 (ja) * | 2006-02-01 | 2012-06-13 | ユニ・チャーム株式会社 | シート状構造体の製造システム及び製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1993799A (en) * | 1932-07-22 | 1935-03-12 | Philips Henry | Curtain plaiting and stitching machine |
US3190512A (en) * | 1964-03-26 | 1965-06-22 | Nathanson Herbert | Multiple-pleat forming and fastening apparatus to prevent stretching and tearing |
US3511424A (en) * | 1968-04-22 | 1970-05-12 | Anthony G Tucci | Pleat forming device and process |
US3661103A (en) * | 1970-11-02 | 1972-05-09 | Hand Louis Inc | Automatic pleating machine |
US3824964A (en) * | 1973-03-29 | 1974-07-23 | Ryan E | Automated pleater for draperies |
US3822034A (en) * | 1973-09-04 | 1974-07-02 | J Lawson | Pleating apparatus |
DE2629117C2 (de) * | 1976-06-29 | 1978-05-18 | Eisele App Und Geraetebau Gmbh | Nähmaschine mit einer Faltvorrichtung |
US4515097A (en) * | 1982-08-30 | 1985-05-07 | Herman Rovin | Drapery pleat hemming method |
DE3405721A1 (de) * | 1984-02-17 | 1985-08-22 | Kochs Adler Ag, 4800 Bielefeld | Werkstueck-klemmhalter fuer naeheinrichtungen |
DE8430596U1 (de) * | 1984-10-18 | 1985-01-17 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Vorrichtung zum herstellen von abgenaehten falten an zuschnitteilen von bekleidungsstuecken |
US4599958A (en) * | 1985-03-15 | 1986-07-15 | Multiple-Housing Drapery Services, Inc. | Method and apparatus for making pleated draperies of arbitrary lengths |
-
1988
- 1988-02-12 DE DE3804376A patent/DE3804376C1/de not_active Expired
-
1989
- 1989-02-02 JP JP1501718A patent/JPH03502411A/ja active Pending
- 1989-02-02 US US07/573,029 patent/US5080030A/en not_active Expired - Fee Related
- 1989-02-02 WO PCT/EP1989/000092 patent/WO1989007675A1/de active IP Right Grant
- 1989-02-02 EP EP89901947A patent/EP0401234B1/de not_active Expired - Lifetime
- 1989-02-02 KR KR1019890701875A patent/KR920000852B1/ko not_active IP Right Cessation
- 1989-02-02 DE DE8989901947T patent/DE58901610D1/de not_active Expired - Fee Related
- 1989-02-08 ES ES8900443A patent/ES2013001A6/es not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8907675A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2013001A6 (es) | 1990-04-16 |
KR900700678A (ko) | 1990-08-16 |
US5080030A (en) | 1992-01-14 |
DE58901610D1 (de) | 1992-07-09 |
WO1989007675A1 (en) | 1989-08-24 |
DE3804376C1 (de) | 1989-07-13 |
KR920000852B1 (ko) | 1992-01-30 |
JPH03502411A (ja) | 1991-06-06 |
EP0401234B1 (de) | 1992-06-03 |
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