EP0419382B1 - Vorrichtung zur Positionierung von Artikeln sowie Textilstücken - Google Patents

Vorrichtung zur Positionierung von Artikeln sowie Textilstücken Download PDF

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Publication number
EP0419382B1
EP0419382B1 EP90420410A EP90420410A EP0419382B1 EP 0419382 B1 EP0419382 B1 EP 0419382B1 EP 90420410 A EP90420410 A EP 90420410A EP 90420410 A EP90420410 A EP 90420410A EP 0419382 B1 EP0419382 B1 EP 0419382B1
Authority
EP
European Patent Office
Prior art keywords
rollers
sheet
roller
front edge
edge
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
EP90420410A
Other languages
English (en)
French (fr)
Other versions
EP0419382A1 (de
Inventor
Michel Baboz
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.)
JEAN MICHEL SA
Original Assignee
JEAN MICHEL SA
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Filing date
Publication date
Application filed by JEAN MICHEL SA filed Critical JEAN MICHEL SA
Publication of EP0419382A1 publication Critical patent/EP0419382A1/de
Application granted granted Critical
Publication of EP0419382B1 publication Critical patent/EP0419382B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00
    • D06F67/04—Arrangements for feeding or spreading the linen

Definitions

  • the present invention relates to a machine for positioning a product in the form of a flexible sheet.
  • Industrial processing of sheet-shaped products involves providing, between the different processing units, one or more devices making it possible to position the product correctly so that it can automatically switch from one processing unit to another.
  • This type of device rather rudimentary, is slow to use and requires the presence of one or two operators.
  • the motors act to cause the tube to twist until the edge of the sheet is brought to the level of the photocells .
  • This device has the drawback of being complex and therefore expensive to produce, since it requires the use of two drive motors and the production of a specific tube.
  • the present invention aims to remedy this drawback by providing a device for production and simple use and of moderate cost.
  • this device is of the known prior type comprising at least one clamp for gripping the sheet and engaging it astride one or more horizontal and parallel rollers, means for causing the opening of the clamp when the two lateral edges of the sheet deposited on the roller (s) are equidistant from the ends of the roller (s), as well as presence detectors of the edge of the sheet aligned horizontally at the desired height for positioning the anterior edge of the sheet, and which control the action of the roller (s) for the correct positioning of this front edge, and in which each roller is associated with a motor intended to drive it in rotation in one direction or the other depending on the signal transmitted by the detectors presence sensitive to the position of the edge of the sheet.
  • the device comprises means making it possible to tilt the roller (s) relative to the horizontal by tilting about a horizontal axis perpendicular to their axis of rotation and passing through the center of the latter, one presence detectors being placed in line with the tilt axis, so as to be sensitized by the central point of the anterior edge of the sheet, and to detect the correct positioning in level with this central point to stop the action of each motor for driving the rollers in rotation, while the other detectors, sensitized by the anterior edge of the sheet on either side of its central point, are intended to control the tilting of the roller (s), until detection by them of the correct positioning of this anterior edge.
  • the motor (s) drive the roller (s) in rotation until bringing the central point from the front edge of the sheet at the level of the detector arranged in line with the pivot axis.
  • the edge of the sheet acts on the detector which stops the rotation of the roller (s).
  • the other detectors actuate the tilting means of the latter so that the edge of the sheet is gradually brought into the desired horizontal position. The tilt stops when the edge is at the level of the detectors.
  • the sheet is then taken over by a processing unit.
  • this device comprises two parallel rollers around which are engaged several endless belts, perpendicular to their longitudinal axes.
  • each roller is constituted by two coaxial rollers of identical lengths, connected to each other by a tubular piece or sleeve forming a bearing, which is crossed diametrically by the axis of tilting of the rollers.
  • the means actuating the inclination of the rollers is constituted by a jack whose body is fixed to the frame of the device, and whose end of the piston rod is connected to one of the ends of the rollers.
  • the detectors for the presence of the anterior edge of the sheet consist of photoelectric cells.
  • this device comprises two clamps carried by a motorized endless belt, which are located opposite one another. This improves the speed of the machine.
  • this device comprises an inclined ramp facilitating the engagement of the sheet on the rollers.
  • Figures 1 and 4 show, from different angles, the device 1 which comprises a frame 2 and two parallel and horizontal rollers 3, each constituted by two coaxial rollers 3a and 3b of identical length, connected to each other by a tubular sleeve 4 forming a bearing.
  • the sleeve 4 is crossed by a horizontal axis 5 perpendicular to the axis of rotation of the rollers 3, and passing through its center.
  • the ends of the axis 5 are engaged in bores made in two uprights 7, forming a hinge bearing, carried by a spar 2a of the frame 2.
  • the rollers 3 are connected, by one of their ends, to the rod piston 8a of a jack 8 whose body 8b is fixed to the frame 2.
  • the frame 2 carries photoelectric cells 10 aligned horizontally, one of which 10a is located in line with the axis 5.
  • the cell 10a controls, by appropriate means (not shown) the action of motors (not shown) for driving the rollers 3 in rotation, while the photoelectric cells 10 control, by appropriate means, also not shown, the action of the jack 8.
  • the device 1 also comprises two clamps 11 secured to a motorized endless belt 12, which is guided by rollers 13, the clamps 11 being located opposite one another.
  • the device 1 is provided with an inclined ramp 14 facilitating the handling of a sheet 15, as well as a pusher 16 movable in translation, provided for transferring the sheet 15 from the device 1 to a processing unit 17 of the sheet 15, which is shown in broken lines in FIG. 4.
  • the clamps 11 are intended to grip part of one of the side edges 15a of the sheet 15, and to engage the latter astride the rollers 3, so that two edges 15b and 15c of the sheet 15 hang on either side of the rollers 3.
  • the device 1 comprises a photoelectric cell, fixed on the side of the ramp 14, and a sensor connected to a computer (not shown), which measure the length of the sheet 15 in order to cause the opening of the clamp 11 having gripped the sheet 15, and therefore the deposition of the sheet 15 on the rollers 3, when the two lateral edges 15a of the sheet 15 are at equal distance roller ends 3.
  • the motors will drive the rollers 3 in rotation to gradually bring the central point of the anterior edge 15b of the sheet 15 at the photoelectric cell 10a.
  • the rotation of the rollers 3 is interrupted when the edge 15b is at the level of the cell 10a (FIG. 2), and the cells 10 then actuate the jack 8, which causes the inclination with respect to the horizontal of the rollers 3 by tilting around the axis 5 until the edge 15b of the sheet 15 coincides with the alignment of the cells 10 (FIG. 3).
  • This alignment corresponds to the correct horizontal positioning at the edge 15b of the sheet 15.
  • the pusher 16 and the rollers 3 then act to transfer the sheet 15 to the engagement system of the processing unit 17.
  • the rollers 3 are brought back in a horizontal position for the engagement on them of another sheet 15.
  • the presence of two clamps 11 improves the performance of the device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Sewing Machines And Sewing (AREA)
  • Details Of Garments (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Advancing Webs (AREA)

Claims (7)

  1. Vorrichtung zum Positionieren eines Produktes in Form eines flexiblen Tuches, mit wenigstens einer Klemme, um das Tuch zu greifen und auf eine oder mehrere horizontale und parallele Walzen, beidseits herunterhängend, aufzuziehen, mit Mitteln, um das Öffnen der Klemme herbeizuführen, wenn die beiden Seitenränder des auf der oder den Walzen abgelegten Tuches in gleicher Entfernung von den Enden der einen Walze bzw. der Walzen sind, sowie mit Fühlern zum Feststellen, ob der Tuchrand die Fühler erreicht hat (Präsenz-Fühler), welche in der gewünschten Positionierungshöhe des vorderen Tuchrandes horizontal aneinandergereiht sind und die die Bewegung der einen oder der Walzen im Hinblick auf die richtige Positionierung dieses vorderen Randes steuern, und in der jede Walze mit einem Motor verbunden ist, der für ihren Drehbewegungsantrieb in der einen oder der anderen Richtung bestimmt ist, welche von dem Signal abhängt, das von den Präsenz-Fühlern, die die Position des Tuchrandes wahrnehmen können, übertragen wird, dadurch gekennzeichnet, daß sie Mittel (5, 7, 8) aufweist, mit denen die eine oder die Walzen (3) durch Schaukeln um eine horizontale, zu deren Drehachse senkrechte Achse (5), welche durch die Mitte der Drehachse verläuft, in bezug auf die Horizontale schräg gestellt werden kann bzw. können, wobei einer (10a) der Präsenz-Fühler (10) rechtwinklig zur Schaukelachse (5) angeordnet ist, um die Mitte des vorderen Randes (15b) des Tuches (15) wahrnehmen und um die richtige Positionierung über die Höhe dieser Mitte feststellen zu können, um die Bewegung jedes Motors für den Drehbewegungsantrieb der Walzen (3) zu stoppen, während die anderen Fühler (10), die auf den Vorderrand (15b) des Tuches (15) beiderseits seiner Mitte ansprechen, dazu bestimmt sind, das Schaukeln der einen oder der Walzen (3) zu steuern, bis durch sie die richtige Positionierung dieses vorderen Randes (15b) festgestellt wird.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sie zwei parallele Walzen (3) aufweist, um die herum, senkrecht zu ihren Längsachsen, mehrere Endlosbänder (9) angeordnet sind.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß jede Walze (3) von zwei koaxialen Walzen (3a, 3b) gleicher Länge gebildet ist, die durch ein ein Lager bildendes rohrförmiges Teil oder eine Muffe (4) miteinander verbunden sind, durch das bzw. durch die die Schaukelachse (5) der Walzen (3) diametral hindurchgeführt ist.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das die Schrägstellung der Walzen (3) herbeiführende Mittel ein Zylinder (8) ist, dessen Gehäuse (8b) am Rahmen (2) der Vorrichtung (1) befestigt ist, während das andere Ende der Kolbenstange (8a) mit einem der Enden der Walzen (3) verbunden ist.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Präsenz-Fühler des vorderen Randes (15b) des Tuches (15) fotoelektrische Zellen (10) sind.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß sie zwei auf einem von einem Motor angetriebenen Endlosband (12) angeordnete Klemmen (11) aufweist, die sich einander gegenüberliegen.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß sie eine schräge Zuführung (14) aufweist, die das Aufziehen des Tuches (15) auf die Walzen (3) erleichtert.
EP90420410A 1989-09-19 1990-09-18 Vorrichtung zur Positionierung von Artikeln sowie Textilstücken Expired - Lifetime EP0419382B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8912610A FR2652095B1 (fr) 1989-09-19 1989-09-19 Dispositif de positionnement d'un produit en forme de feuille souple.
FR8912610 1989-09-19

Publications (2)

Publication Number Publication Date
EP0419382A1 EP0419382A1 (de) 1991-03-27
EP0419382B1 true EP0419382B1 (de) 1995-02-15

Family

ID=9385838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90420410A Expired - Lifetime EP0419382B1 (de) 1989-09-19 1990-09-18 Vorrichtung zur Positionierung von Artikeln sowie Textilstücken

Country Status (7)

Country Link
EP (1) EP0419382B1 (de)
AT (1) ATE118565T1 (de)
DE (1) DE69016902T2 (de)
DK (1) DK0419382T3 (de)
ES (1) ES2068367T3 (de)
FR (1) FR2652095B1 (de)
GR (1) GR3015442T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430915A (en) * 1992-04-20 1995-07-11 Mitsubishi Jukogyo Kabushiki Kaisha Apparatus for spreading rectangular cloth pieces
DK0573810T3 (da) * 1992-06-04 1997-09-22 Mitsubishi Heavy Ind Ltd Transportør til at bære og fremføre linned
DK170907B1 (da) * 1994-02-08 1996-03-11 Jensen Ejnar & Soen As Fremgangsmåde og apparat til ilægning af et vaskestykke i et tøjbehandlingsapparat
DK172194B1 (da) * 1994-02-08 1997-12-22 Jensen Ejnar & Soen As Fremgangsmåde og apparat til udfoldning og ilægning af et vaskestykke i et tøjbehandlingsapparat
DK171332B1 (da) * 1994-04-28 1996-09-09 Jensen Ejnar & Soen As Indretning til indfødning af tøjstykker i en ilægger
DK172243B1 (da) * 1994-04-28 1998-02-02 Jensen Ejnar & Soen As Indretning til indfødning af i hovedsagen rektangulære tøjstykker i en ilægger
DK171241B1 (da) * 1994-04-28 1996-08-05 Jensen Ejnar & Soen As Fremgangsmåde til ilægning af tøjstykker i et tøjbehandlingsapparat samt apparat til udførelse af fremgangsmåden
WO2017060226A1 (en) * 2015-10-09 2017-04-13 Jensen Denmark A/S A device and a method for reorienting/orienting and alignment of cloth

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL92494C (de) * 1900-01-01
DK150381C (da) * 1979-02-19 1987-10-19 Andreas Stichnoth Apparat til indfoering af vaskede rullehaandklaeder til haandklaedeautomater i et rulleapparat
BE905687A (nl) * 1986-10-31 1987-02-16 Werkhuizen Lapauw Bv Met Beper Insteekmachine voor lakens.

Also Published As

Publication number Publication date
GR3015442T3 (en) 1995-06-30
EP0419382A1 (de) 1991-03-27
FR2652095B1 (fr) 1991-11-29
DK0419382T3 (da) 1995-05-22
ATE118565T1 (de) 1995-03-15
DE69016902T2 (de) 1995-06-08
FR2652095A1 (fr) 1991-03-22
ES2068367T3 (es) 1995-04-16
DE69016902D1 (de) 1995-03-23

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