EP0493492B1 - Verfahren und vorrichtung zum zusammenführen, ausrichten und gemeinsamen verarbeiten von biegeschlaffen werkstücklagen - Google Patents

Verfahren und vorrichtung zum zusammenführen, ausrichten und gemeinsamen verarbeiten von biegeschlaffen werkstücklagen Download PDF

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Publication number
EP0493492B1
EP0493492B1 EP90914697A EP90914697A EP0493492B1 EP 0493492 B1 EP0493492 B1 EP 0493492B1 EP 90914697 A EP90914697 A EP 90914697A EP 90914697 A EP90914697 A EP 90914697A EP 0493492 B1 EP0493492 B1 EP 0493492B1
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EP
European Patent Office
Prior art keywords
workpiece layers
workpiece
scanning
alignment
layers
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
EP90914697A
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German (de)
English (en)
French (fr)
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EP0493492A1 (de
Inventor
Philipp Moll
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Individual
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Individual
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Publication of EP0493492A1 publication Critical patent/EP0493492A1/de
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Publication of EP0493492B1 publication Critical patent/EP0493492B1/de
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Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • 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 a method according to the preamble of claim 1 and to an apparatus for performing the method.
  • Such a method and such a device are known from EP-OS 0 260 331.
  • the workpiece layers are fed to one another by means of conveying devices which comprise carriages guided on rails, on each of which clips are attached which hold the upper end of the workpiece layers.
  • conveying devices which comprise carriages guided on rails, on each of which clips are attached which hold the upper end of the workpiece layers.
  • These conveyors have web sections that are guided parallel to one another in a scanning and an alignment station.
  • the clamps are attached to the carriage of one of the conveying devices by means of a holding head which can be moved in several directions with respect to the carriage carrying it.
  • This holding head carries a magnetizable plate which comes into frictional engagement in the alignment station on a permanent magnet which is attached to the adjacent carriage of the other conveyor.
  • the movable holding head of the clamps on the first-mentioned carriage is adjusted in accordance with the scanning result so that the two workpiece positions adjacent to one another in the alignment station reach the predetermined relative position. Because of The frictional connection between the magnetizable plate on the holding head of the one carriage and the permanent magnet on the other carriage maintains this relative position when the two carriages move together from the alignment station into a subsequent processing station after the workpiece layers have been aligned.
  • This construction is relatively complex since it requires a holding head which can be adjusted in several directions on each of the carriages of the one conveyor device.
  • the adjusting device for adjusting the holding heads to achieve the prescribed relative position of the two workpiece layers must exert a considerable force in order to be able to overcome the frictional force between the magnetizable plate and the permanent magnet, which, as explained, must be so great that the one once set Relative position between permanent magnet and plate and thus the alignment position of the workpiece positions is maintained.
  • the invention is based on the object of specifying a method which, on the one hand, enables the workpiece layers to be automatically fed to the scanning and alignment station and, on the other hand, is designed in such a way that it can be carried out with a simply constructed device.
  • the object is achieved by the characterizing features of claim 1.
  • the measure of connecting the process steps picking up and transferring to a vertical position with the feeding of the workpiece layers to the scanning and aligning station makes it possible to manually assign the workpiece layers to one another, lying next to one another on a support table and therefore not mutually influence influencing, or to take over the workpiece positions from an output station of an upstream processing machine.
  • the workpiece layers are transferred to the scanning and alignment station and are only taken over again after alignment for the purpose of further transport in the direction of the treatment or connection point, the workpiece layers are detached from the conveying means causing the supply and removal during the alignment, so that the Alignment can take place independently and unaffected by these funds. Because of these circumstances, the prerequisite is that the device for carrying out the method can be comparatively simple.
  • the device according to the invention contains several interacting basic components, namely a frame G, two conveyor devices F and F 'arranged next to one another, a scanning and alignment station R and a sewing station N.
  • the conveyor devices F, F' comprise a feed conveyor Z or Z 'for feeding two workpiece layers W1, W2 to the scanning and alignment station R and a transport device T or T' for conveying the aligned workpiece layers W1, W2 to the sewing station N.
  • the feed conveyor Z is designed as a manipulator and has an arm 1, one end of which is attached to the shaft 2 of a geared motor 3 fastened to the frame G and can thereby be pivoted about a horizontal axis A1 and the other end of which is fork-shaped and carries a gripper-like gripper 4 .
  • the gripper 4 contains a first (according to FIG. 5 lower) gripping plate 5, which is fastened on a shaft 6 mounted at the end of the arm 1, and a second (upper) gripping plate 7, which is pivotably mounted on the shaft 6.
  • a compressed air cylinder 9 is articulated to an extension 8 of the first gripping plate 5, the piston rod 10 of which is articulated to an extension 11 of the second gripping plate 7.
  • the shaft 6 is drivingly connected to a rotary magnet 12 attached to the arm 1, through which the gripping plates 5 and 7 can be pivoted together about the longitudinal axis A2 of the shaft 6, the longitudinal axis A2 running perpendicular to the longitudinal extension of the arm 1 and parallel to its pivoting plane.
  • the two gripping plates 5 and 7 have a plurality of cutouts 15 and 16, respectively, which extend as far as their drain-side edge, the cutouts 15 of the first gripping plate 5 with the cutouts 16 of the second Align gripping plate 7.
  • outlet side is meant that edge of the gripping plates 5, 7 over which the workpiece layer W1 is pulled off when it is transferred to the scanning and alignment station R.
  • the workpiece position W1 which is to be gripped by the gripper 4, is placed on a substantially horizontally extending support table 17, which can be the discharge end of an upstream processing device, for example the cooling station of a fusing machine.
  • a plurality of recesses 18 extending parallel to one another and extending up to the outlet-side edge thereof are provided, which receive the ribs 14 of the first gripping plate 5 when the gripper 4 is in the receiving position (FIG. 5).
  • a corresponding beveling of the front, inlet-side edge area of the first gripping plate 5 ensures that when the gripper 4 (FIG.
  • the first gripping plate could also be fork-shaped, so that in this case not only the front, inlet-side edge region, but the entire gripping plate would be flush with the top of the support table 17.
  • the workpiece layer W1 is transferred from the horizontal top of the support table 17 with two superimposed pivoting movements to a hanging position in which the workpiece position of the scanning and alignment station R is presented.
  • the workpiece position W1 is brought from the horizontal to the vertical and at the same time by pivoting the gripper 4 about the axis A2 pivoted so that it is finally in extension of the arm 1, as shown in Fig. 3.
  • the feed conveyor Z 'of the conveyor device F' is essentially identical to the feed conveyor Z described above. Therefore, the same reference numerals have been used for the same components, the reference numerals for the feed conveyor Z 'being different from those Distinguish reference numerals for the feed conveyor Z only by an apostrophe. It should be noted that the same gear motor 3 is used for pivoting the arm 1 'as for pivoting the arm 1, for which purpose the gear motor 3 has a continuous shaft 2 and thus two outputs.
  • An intermediate plate 19 is assigned to the scanning and aligning station R, which is fastened vertically in the frame G and which is opposed by a clamp 20, 20 'on both sides at a predetermined distance in the upper region of the intermediate plate 19.
  • the alignment device 21 is explained in more detail for the clamp 20 with reference to FIG. 7.
  • the alignment device 21 is accommodated within a housing 22 of the scanning and alignment station R fastened on the frame G.
  • a carriage 30 which is essentially displaceable in the horizontal direction is accommodated.
  • the displacement of the carriage 30 relative to the carrier plate 24 is brought about by a stepper motor 32 which is fastened to a fixed extension 31 of the carrier plate 24 and is connected to the carriage 30 via a threaded spindle 33.
  • a second carriage 35 which is essentially displaceable in the vertical direction, is received.
  • the displacement of this slide 35 with respect to the first slide 30 is brought about by a stepper motor 37 which is fastened to a fixed extension 36 of the first slide 30 and is connected to the second slide 35 via a threaded spindle 38.
  • the bracket 20 which consists of a horizontally extending bracket beam 40 and a plurality of compressed air cylinders 41 arranged on it, is fastened to an attachment 39 arranged at the lower end of the second slide 35.
  • the number of compressed air cylinders 41 and their mutual spacing corresponds to the number of recesses 15 and 16 in gripping plates 5 and 7 and the mutual spacing of these recesses 15 and 16.
  • the piston rods, designated 42, of compressed air cylinders 41 form with workpiece position W1 in Interlocking clip elements.
  • the free ends of the piston rods 42 are conical.
  • the workpiece position W1 is pressed by the piston rods 42 against the intermediate plate 19 serving as an abutment and is thereby held in a form-fitting manner. So that the intermediate plate 19 is not scratched by the movements of the tips of the piston rods 42, the compressed air cylinders 41 are adjusted so that the tips of the piston rods 42 keep a small distance from the intermediate plate 19 when compressed air cylinders 41 are actuated.
  • the bracket 20 ' is also assigned an alignment device, which is designated by 21'.
  • the alignment device 21 ' is identical to the alignment device 21 described above. Therefore, the same reference numerals have been used for the same components, insofar as they are shown in the drawing, the reference numerals for the alignment device 21' being separated by an apostrophe from the reference numerals for the Differentiate alignment device 21.
  • each bracket 20, 20 ' is assigned its own alignment device 21 or 21', each of the two brackets 20, 20 'can be linearly adjusted relative to the other bracket 20' or 20 in two mutually perpendicular directions and also in the through direction these two directions defined plane are pivoted.
  • the scanning and alignment station R has an optical scanning device 43 and 43 'for each workpiece position W1, W2.
  • the scanning device 43 has three reflective light barriers 45, 46, 47 (FIGS. 3 and 4) arranged on a carrier 44, which cooperate with the intermediate plate 19 which is designed to be reflective at least in this region.
  • the scanning device 43 ' is constructed in an identical manner to the scanning device 43 and therefore likewise has three reflective light barriers 45', 46 'and 47'.
  • the scanning devices 43, 43 ' are used for point-by-point detection of the contour of the workpiece positions W1, W2 and thus for detection of their current alignment position.
  • the transport device T shown in FIG. 1 is formed by an endless conveyor belt 48 which extends in a horizontal plane below the clamp 20 and which rotates around a drive wheel 49 and a deflection wheel 50.
  • the transport device T 'located on the other side of the intermediate plate 19 is identical to the transport device T, which is why the same reference numerals, only additionally identified with an apostrophe, are used for the components of the transport device T' as for the transport device T.
  • a common motor 51 is provided, which is fastened on the frame G and is drivingly connected to the shaft 52' of the drive wheel 49 'shown in FIG. 2.
  • a gear 53 ' is fastened on the shaft 52' and is drivingly connected to a gear 53 fixed on the shaft 52 via a reversing gear 54 formed by two gearwheels. In this way, the two conveyor belts 48, 48 'are driven with opposite directions of rotation.
  • a deflection wheel 56 mounted on a carrier 55 and a deflection wheel 58 mounted on a carrier 57 are arranged opposite the two runs 48a and 48b of the conveyor belt 48.
  • the transport device T is in a first section T1 extending from the deflection wheel 50 to the deflection wheels 56, 58 and one of the Deflection wheels 56, 58 divided up to the drive wheel 49 reaching second section T2.
  • a compressed air cylinder 59 is pivotally mounted on the frame G, the piston rod 60 of which is articulated to a rod-shaped carrier 61 on which the deflection wheel 50 is rotatably mounted.
  • the first section T1 of the transport device T can be pivoted back and forth between a driving position adjacent to the intermediate plate 19 for the workpiece position W1 and a non-driving position further away from the intermediate plate 19, the strands 48a and 48b being moved one by one Longitudinal axis of the carrier 55 and 57 coinciding axis are pivoted.
  • the first section T1 'of the transport device T' can also be pivoted back and forth with the aid of the compressed air cylinder 59 '.
  • the strands 48 a, 48 a 'of the conveyor belts 48, 48' can optionally be supported on the back in the region of the two sections T1, T2, T1 'and T2' in order to ensure the required holding action on the workpiece layers to be transported.
  • a support which can be provided, for example, by rail-like supports provided with pressure rollers, is not shown in the drawings for reasons of clarity.
  • the sewing station N contains a sewing machine 62 which is fastened on a carriage 63.
  • the carriage 63 is mounted on a vertically running guide rail 64 and can be moved up and down by means of a chain transmission 65.
  • a guide device 66 is arranged to be sewn together.
  • Such a guide device is described for example in DE-GM 85 16 184, so that it is unnecessary to go into more detail at this point.
  • the device works as follows:
  • the arms 1, 1' are pivoted upwards about the axis A1 and at the same time the grippers 4, 4 'are pivoted about the axes A2, so that the grippers 4, 4 'and the workpiece layers W1, W2 assume the position shown in FIG. 3. So that the grippers 4, 4 'can be moved into this position unhindered, the sections T1, T1' of the transport devices T, T 'must be in the non-driving position remote from the intermediate plate 19 and the piston rods 42 forming the clamp elements must be retracted.
  • the current position of the workpiece layers W1, W2 is determined with the aid of the scanning device 43, 43'.
  • the angle position of the front, downward-running edge of the workpiece layers W1, W2 is measured by the relex light barriers 46, 47 and 46 '47' and, in the event of deviations from the desired alignment position, the angular alignment of the workpiece layers is acted upon by the stepping motor 25 and / or 25 ' W1, W2 made.
  • the vertical and on the other hand the horizontal relative position of the two workpiece positions W1, W2 is determined and, if a difference is present, one is applied to the corresponding stepper motors 32, 37, 32 ', 37' mutual alignment of the workpiece layers W1, W2 performed.
  • the vertical and horizontal alignment is carried out by simultaneously acting in opposite directions on the corresponding stepper motors 32, 32 'and 37, 37' of the two alignment devices 21, 21 ', whereby the alignment time is reduced to a minimum.
  • the sections T1, T1 'of the transport devices T, T' are pivoted with the motor 51 still switched off into the driving position, in which they seal the workpiece layers W1, W2 in connection with the intermediate plate 19 serving as an abutment below the brackets 20, 20 '.
  • the clamps 20, 20' are opened by venting the compressed air cylinder 41 and the motor 51 is switched on, whereupon the workpiece layers W1, W2 together in the direction while maintaining their mutual alignment position moved to the sewing station N and after reaching this station can be stopped by switching off the motor 51 in the sewing position.
  • the sewing machine 62 is moved downward from the rest position shown in FIG. 1, the protruding edge regions of the workpiece layers W1, W2 being detected by the guide device 66. As soon as the sewing machine 62 reaches the upper edge of the workpiece layers W1, W2, it is switched on, whereupon it forms an edge-parallel connecting seam along the front longitudinal edge of the workpiece layers W1, W2 in cooperation with the guide device 66.
  • the guide device 66 which is moved downwards in a straight line in the vertical direction together with the sewing machine 62, can also be moved in those by corresponding transverse or pivoting movements of parts of the workpiece layers W1, W2 Ensure a seam parallel to the edge where the edge course deviates from the vertical.
  • This embodiment shown in FIG. 8 relates to a device in which the workpiece layers W3, W4 are not aligned on a narrow side as in the previously described device of the first embodiment, but are now aligned on a long side.
  • the device according to FIG. 8 is constructed essentially the same as the device according to FIGS. 1 to 7 and therefore also consists of a frame GA, two conveying devices FA, FA ', a scanning and aligning station RA and a sewing station NA.
  • the conveyor devices FA, FA 'each include a feed conveyor ZA or. ZA 'for feeding two workpiece layers W3, W4 to the scanning and aligning station RA and one transport device TA or TA' each for further conveying the aligned workpiece layers W3, W4 to the sewing station NA.
  • the feed conveyors ZA, ZA ' differ from the feed conveyors Z, Z' of the first embodiment only in the greater length of the grippers 104, 104 ', the greater length being due to the fact that the grippers 104, 104' have the workpiece layers W3, W4 grasp on one long side.
  • the scanning and alignment station RA is completely identical with respect to its alignment devices (not shown) with the scanning and alignment station R of the first exemplary embodiment. Only the clamps 120 '(the opposite clamp is not shown) are made wider in accordance with the length of the long sides of the workpiece layers W3, W4. In the same way, the scanning devices, not shown, must also be adapted to the particular alignment position of the workpiece layers W3, W4.
  • the transport devices TA, TA ' are also essentially identical to the transport devices T, T' of the first exemplary embodiment and are therefore also divided into first sections TA1, TA1 ', which can be moved back and forth between a take-away and a non-take-away position, and in second sections TA2, TA2 '.
  • the sewing station NA alone differs to a greater extent from the sewing station N, since the sewing machine 162 provided with a guide device 166 is not movable, but is arranged in a fixed position on the frame GA and, moreover, is in a different alignment position.
  • the relative movement required for the seam formation takes place between the sewing machine 162 and the workpiece layers W3, W4 in that the transport devices TA, TA 'are formed and the aligned workpiece layers W3, W4 in via the transport devices TA, TA' pull out a continuous movement from the scanning and aligning station RA and then move along the fixed sewing machine 162. In cooperation with the guide device 166, this forms an edge-parallel connecting seam along the upper longitudinal edge.
  • the device of the second exemplary embodiment can preferably be used to process workpiece layers with a straight line or Process only a little contoured edge.
  • the sewing machine it could be expedient to arrange the sewing machine to be movable transversely to the feed direction and to control its distance from the edge profile by the signals of an edge scanning device.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Specific Conveyance Elements (AREA)
EP90914697A 1989-09-22 1990-09-18 Verfahren und vorrichtung zum zusammenführen, ausrichten und gemeinsamen verarbeiten von biegeschlaffen werkstücklagen Expired - Lifetime EP0493492B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3931673 1989-09-22
DE3931673A DE3931673A1 (de) 1989-09-22 1989-09-22 Verfahren und vorrichtung zum zusammenfuehren, ausrichten und gemeinsamen verarbeiten von biegeschlaffen werkstuecklagen

Publications (2)

Publication Number Publication Date
EP0493492A1 EP0493492A1 (de) 1992-07-08
EP0493492B1 true EP0493492B1 (de) 1993-12-15

Family

ID=6389989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90914697A Expired - Lifetime EP0493492B1 (de) 1989-09-22 1990-09-18 Verfahren und vorrichtung zum zusammenführen, ausrichten und gemeinsamen verarbeiten von biegeschlaffen werkstücklagen

Country Status (5)

Country Link
US (1) US5337687A (enrdf_load_stackoverflow)
EP (1) EP0493492B1 (enrdf_load_stackoverflow)
JP (1) JP2510045B2 (enrdf_load_stackoverflow)
DE (1) DE3931673A1 (enrdf_load_stackoverflow)
WO (1) WO1991004365A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592890A (en) * 1994-09-19 1997-01-14 Design Technology Corporation Crotch-forming apparatus
US6454257B1 (en) 2000-08-15 2002-09-24 Versa Tech, L.L.C. Article jogging apparatus
EP3477248B1 (de) * 2017-10-26 2023-06-07 Heinrich Georg GmbH Maschinenfabrik Inspektionssystem und verfahren zur fehleranalyse

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997267A (en) * 1932-03-04 1935-04-09 Stokes & Smith Co Laundry system
US2264032A (en) * 1939-08-31 1941-11-25 Singer Mfg Co Method of sewing articles
DE1161813B (de) * 1959-04-04 1964-01-23 Floyd Ernest Collette Foerdervorrichtung mit Aufhaengeelementen
US3227119A (en) * 1964-10-30 1966-01-04 Riegel Textile Corp Mechanism for automatically producing pillow cases, bags, and the like
GB1191456A (en) * 1966-06-04 1970-05-13 Courtaulds Ltd Apparatus for Picking Up Textile Materials.
US3527180A (en) * 1968-02-28 1970-09-08 Renzo Giuseppe Cerioni Devices for transporting and feeding sacks and similar nonrigid containers into sewing machines for their sealing
US4388879A (en) * 1981-05-14 1983-06-21 Springs Mills Inc Apparatus for sequentially fabricating pillowcases or like products
US4433632A (en) * 1981-10-28 1984-02-28 International Shoe Machine Corporation Transferring successive workpieces to and from a work station
DE3509974A1 (de) * 1985-03-20 1986-09-25 Herbert Kannegiesser Gmbh + Co, 4973 Vlotho Verfahren zum foerdern von textilien zu bearbeitungs-/behandlungs-vorrichtungen und foerdervorrichtungen zur durchfuehrung des verfahrens
DE3670195D1 (de) * 1986-09-15 1990-05-17 Pfaff Ind Masch Verfahren und vorrichtung zur relativpositionierung von biegeschlaffen werkstuecklagen.
DE3734660A1 (de) * 1987-10-13 1989-04-27 Philipp Moll Verfahren und vorrichtung zum herstellen von kleidungsstuecken oder einzelteilen derselben
DD275993A3 (de) * 1988-03-07 1990-02-14 Inst Spielzeug Sonneberg Veb Vorrichtung zur uebergabe von zuschnitteilen in warentraeger von haengetransportanlagen, die ueber eine kette bewegt werden
DD275995A3 (de) * 1988-03-07 1990-02-14 Inst Spielzeug Sonneberg Veb Vorrichtung zur automatischen beschickung von transportanlagen, vorzugsweise haengetransportanlagen in der bekleidungsindustrie
US5140919A (en) * 1990-07-03 1992-08-25 Bevington Charles E Method for manufacturing tee shirts from tubular blanks including fastening blanks in registry during finishing steps

Also Published As

Publication number Publication date
WO1991004365A1 (de) 1991-04-04
JPH05503228A (ja) 1993-06-03
US5337687A (en) 1994-08-16
EP0493492A1 (de) 1992-07-08
DE3931673A1 (de) 1991-04-04
DE3931673C2 (enrdf_load_stackoverflow) 1992-12-24
JP2510045B2 (ja) 1996-06-26

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