EP0120752A1 - Verfahren und Vorrichtung zum Umstülpen von Unterhosen - Google Patents

Verfahren und Vorrichtung zum Umstülpen von Unterhosen Download PDF

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Publication number
EP0120752A1
EP0120752A1 EP84400429A EP84400429A EP0120752A1 EP 0120752 A1 EP0120752 A1 EP 0120752A1 EP 84400429 A EP84400429 A EP 84400429A EP 84400429 A EP84400429 A EP 84400429A EP 0120752 A1 EP0120752 A1 EP 0120752A1
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EP
European Patent Office
Prior art keywords
article
turning
threading
installation according
tubular body
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.)
Withdrawn
Application number
EP84400429A
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English (en)
French (fr)
Inventor
Joel Doyen
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.)
Institut Textile de France
Original Assignee
Institut Textile de France
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 Institut Textile de France filed Critical Institut Textile de France
Publication of EP0120752A1 publication Critical patent/EP0120752A1/de
Withdrawn legal-status Critical Current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
    • D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
    • D06G3/00—Turning inside-out flexible tubular or other hollow articles
    • D06G3/02—Turning inside-out flexible tubular or other hollow articles by mechanical means
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H3/00—Inspecting textile materials
    • D06H3/16—Inspecting hosiery or other tubular fabric; Inspecting in combination with turning inside-out, classifying, or other handling

Definitions

  • the invention relates to the clothing industry comprising a tubular body having a single opening on one side and two openings separated by a bottom on the other side. It is mainly a question of making briefs and similar articles where two openings correspond to the passage of the legs and the main opening to the passage of the body itself.
  • the confection of these articles consists in assembling the various constituent parts and in sewing them under very precise conditions. When the last sewing operation is carried out, the article is on the wrong side, seams on the outside. It must therefore be turned over to put it on the place, seams inside, so that it is then packaged for sale: visited, labeled, folded and wrapped.
  • the invention relates more particularly to the article turning operation, and its possible combination with the visita g e and flattening.
  • the last step of the method according to the invention consists in releasing the article from the turning elements, while it is still stretched thanks to the gripping means, so that the bottom of the article rests on top of the stack, then to release the article from the gripping means.
  • the release of the article is progressive, and the laying flat can be done with more precision.
  • the turning elements consist of two rods, the ends of which are curved towards one another, so that, when the reversing elements approach, the curved ends of the two rods come to touch.
  • the threading form also comprises two spacer rods, the distance of which is approximately equal to the internal diameter of the tubular body of the article, positioned and dimensioned so that each of them can pass respectively through one openings located on the bottom side of the article, which can move back and forth independently of the two turning elements.
  • each turning element is a hollow rod, inside which a spacer rod is slidably mounted.
  • the spacer rod has a stop finger which, during the movement of the threading form back and forth, bears on a stop, whereby the spacer rods are held in place by the stop while the turning elements continue to move backwards.
  • a return element such as a spring, integral with the stop finger and the turning element, makes it possible to slide the spacer rod inside the turning element by retracting the stop.
  • the means for gripping the tubular body of the article preferably consist of two clamps placed facing the threading form and in such a way that, the article being threaded on the threading form, the two clamps can grasp, in diametrically opposite position, the side of the article which has only one opening, one arm of the clamp being inside, the other arm outside of the article.
  • each of the clamps is movable in rotation around an axis perpendicular to the plane of the article when it is stretched on the threading form, so that during turning proper of the article the clamps follow the movement of the tubular body of the article and pivot by an angle of 180 °.
  • the gripping means are accompanied by presence sensors, which control the closing of said means when the displacement from front to back of the form of threading on which the article is threaded brings the latter at said sensors.
  • This particular arrangement avoids the introduction by the operator of the tubular body of the article between the open arms of the grippers when he threads the article onto the threading form; it limits the range of operator gestures and also simplifies adjustments.
  • the means for bringing the two spacing elements closer and apart from one another comprise, on the one hand, a pre-o "mier set of two racks each fixed to the movement carriage of one of the turning elements and a reversing mechanism integral with the two racks, and on the other hand a second rack, controlled by a rotary actuator and acting on the transverse movement of one of the two turning elements.
  • Adjustment means can also be provided for the turning of articles whose tubular body would have a different internal diameter.
  • These adjustment means have in this case the essential function of limiting to a predetermined value the movement of the turning element under the action of the rack which is itself actuated by the rotation of the rotary actuator. This will notably be a stop that the operator will position with precision as a function of the internal diameter of the tubular body of the article. The positioning of this stopper will be coupled to that of the two grippers, the spacing of which is also a function of the width of the article.
  • the means for moving the threading form back and forth comprise a carriage for longitudinal displacement and two sensors, one of which controls the stopping of said carriage in the rear position and the other its stopping in the front position.
  • the two sensors are adjustable in position: the front position corresponds to the initial stage during which the article is threaded on the threading form, the rear position corresponds to the final step during which the item is returned and released.
  • the adjustment of the front position does not have to be particularly precise since it suffices that the ends of the two turning elements protrude from the two openings on the bottom side of the article once the latter is threaded onto the form d threading, on the other hand the adjustment of the rear position must be very precise in particular if the turning is combined with the flat laying of the article on a pile: it is necessary that the turning elements which enclose the bottom of the article keep it taut in the rear position but without excessive tension before releasing it.
  • the rear position sensor of the longitudinal displacement carriage can be replaced by a sensor measuring the tensile force exerted by the ends of the turning elements on the bottom of the article which they enclose.
  • the extr mites of the turning elements have the function of passing the bottom of the article inside the tubular body blocked by the gripping means; at the end of the operation, when the actual turning is completed, the rearward movement of the turning elements whose ends grip the bottom of the article exerts on the article a tensile force which increases rapidly when the article is in the stretched state.
  • the variation of this force can be detected either on the gripping means or on the turning elements by means of an appropriate sensor.
  • the installation according to the invention may also comprise a frame comprising a stacking table for the returned articles and a frame on which the threading form is fixed, the means for moving the threading form and turning elements and the gripping means.
  • said chassis is pivotally mounted relative to the fixed frame so as to adopt two positions: one horizontal during the deliberation of the article on the stacking table and the other inclined to the horizontal during threading of the article.
  • the threading form can be mounted movable in rotation about the axis of the longitudinal displacement carriage: the operator threads the article onto the threading form, visit the first face of the article, then rotate the threading form around its axis, visit the second face of the article, then initiate the automatic turning cycle.
  • the installation for automatically turning over articles comprising a tubular body having a single opening on one side and two openings separated by a bottom on the other side, comprises a frame 1 which can pivot around an axis 2 under the action of the cylinder 3, the chassis 1 being able to adopt two extreme positions: one horizontal and parallel to the stacking table 28 and the other inclined with respect to the horizontal; as shown in Figure 1.
  • a longitudinal displacement carriage 4, sliding on a rodless cylinder 5, is mounted in the chassis 1.
  • the carriage 6 slides along a rule 11, which is positioned in a groove provided for this purpose in the upper part of the carriage 6.
  • This rule 11 can be moved transversely by means of the block 32 connected to the rack 12, itself actuated by the rotary actuator 25.
  • Each of the carriages 6 and 7 carries a hollow rod 13 and 14 ending in curved ends 15 and 16 in the form of a hook.
  • Two straight rods 17 and 18 can move inside the hollow rods 13 and 14 and protrude outside the hooks 15 and 16.
  • the rods 17 and 18 each carry one of the two fingers at their rear part 19 and 2Q.
  • a retractable stop 26 comes to the contact of the fingers 19 and 20 and blocks the movement of the rods 17 and 18.
  • springs 21 and 22 which make it possible to return the rods 17 and 18 in the retracted position inside the hollow rods 13 and 14 by retracting the stop 26.
  • the hollow rods 13 and 14 terminated by a hook constitute the turning elements, the straight rods 17 and 18 the spacer rods, and the assembly constitutes the form of threading on which the slip is slipped.
  • Two clamps 23 and 24 are arranged on the side of the hollow rods 13 and 14, they comprise two gripping arms 23a and 23b, and 24a and 24b which close to grip the article and open to release it, they are mobile rotating around an axis perpendicular to the plane of the article so that they rotate 180 ° when the article is turned.
  • the installation has two settings, one for variations in width of the article, the other for variations in length.
  • a crank 29 makes it possible to move, by means of the screw 30, the stop 31 which limits the movement of the block 32, which we have seen previously that it connects the rack 12 to the rule 11 which controls the spacing of the carriages 6 and 7 and therefore of the hollow rods 13 and 14 on which the article is threaded.
  • the crank 29 By turning the crank 29 in one direction or the other, the operator adjusts the spacing of the rods 13 and 14, so that their distance is approximately equal to the inside diameter of the tubular body of the article to be returned.
  • a crank 34 makes it possible to move, by means of the screws 35 and 36, the position sensors 27 and 37: when the longitudinal displacement carriage 4 passes in front of the sensor 27, its movement reversing movement is stopped, likewise its advance movement is stopped by the sensor 37.
  • the operation of the automatic panty turning facility is as follows.
  • the operator after having examined one side of the slip to be turned over, put this slip 38 on the hollow rods 13 and 14 (fi q .3a a '), the unvisited side turned upwards.
  • the hollow rods are in the separated position, their distance corresponding approximately to the width of the body of the panties.
  • the operator places the waistband 39 of the briefs on the arms 23a and 24a of the clamps 23 and 24 open.
  • the curved ends 15 and 16 of the rods 13 and 14 protrude through the openings of the legs of the panty 38.
  • the operator After examining and peeling the upper face of the panty, the operator actuates a pedal not shown which controls the start of the automatic turning cycle.
  • the clamps 23 and 24 close (fig 3a 'and a').
  • the rotary actuator 25 by acting, via the rack 12 and the block 32, on the rule 11 causes the carriages 6 and 7 to be brought together and therefore that of the hollow rods 13 and 14 terminated by the hooks 15 and 16 (fig 3b and b ').
  • the hooks 15 and 16 being closed, the jack 5 drives backwards the assembly constituted by the carriages 6 and 7 and the hollow rods 13 and 14.
  • the hooks 15 and 16 turned one towards each other and almost in contact with each other, cause the bottom of the panty 38 in their movement (fig 3c and c ').
  • the hooks 15 and 16 arrive at the height of the clamps 23 and 24, the latter pivot 180 ° about their axis of rotation, which causes the belt 39 of the briefs to turn over (fig 3d and d ').
  • the rods 13 and 14 continue to run backwards and the fingers 19 and 20 come into contact with the stop 26, which causes the immobilization of the rods 17 and 18, their ends being at the level of the belt 39.
  • the chassis 1 which is inclined, tilts horizontally, so that the pants are placed horizontally above the stack 40.
  • the slip is held in this position on the one hand by the belt 39 taken in the clips 23 and 24, and on the other hand by the bottom pulled by the closed hooks 15 and 16 (fig 3f and f ').
  • the hooks 15 and 16 are moved apart by the reverse rotation of the rotary actuator 25 which by acting through the rack 12 and the block 32 on the rod 11 causes 1 1 spacing of the carriages 6 and 7 and therefore that of the hollow rods 13 and 14 terminated by the hooks 15 and 16.
  • the hooks 15 and 16 release the bottom of the briefs which comes to rest on the stack 40 (fig 3g and g ').
  • the body of the brief is returned and kept flat by the rods 17 and 18, which move away at the same time as the hooks 15 and 16 (fig 3h and h ').
  • the stop 26 disappears, and the rods 17 and 18 are returned towards the rear under the action of the springs 21 and 22 linked to the fingers 19 and 20, the clamps 23 and 24 open, and the panty 38, completely released, is laid flat on the stack 40 carried by the rising table 25 (fig 3i and i ').
  • the hooks 15 and 16 are brought forward by the rotation of the jack 25, the chassis is returned to its inclined position by the action of the jack 3. The operator can then put on a new slip that '' he grasped and examined on a first side during the automatic operation of turning over the previous panties.
  • the operator After having visited the first face of the briefs, engages the latter on the threading form without bringing the belt 39 from the briefs to the clips 23 and 24.
  • the belt 39 will be engaged automatically in these open clamps during the retraction of the threading form.
  • the closing of the clips 23 and 24 on the belt will be controlled by a presence sensor when the belt arrives at one of the clips.
  • the two improved variants described below make it possible to remove the sensor 27, stopping the recoil of the carriage 4 for longitudinal movement, and to replace it with a sensor measuring the tensile force exerted by the hooks 15 and 16 on the end article. turning operation.
  • the variation in the tensile force is detected on one of the clamps 23 (fig 4).
  • the support axis 50 of the clamp 23 is mounted in a socket 51 which can pivot around the axis 52; this sleeve 51 is returned to the vertical position by the spring 54.
  • the clamp 23 which blocks the belt 39 is subjected to a tensile force, which tends to tilt the assembly formed by the clamp 23, the axis 50 and the sleeve 51.
  • the return spring 54 is calibrated so that the aforementioned assembly does not begin to tilt until the tensile force reaches a predetermined threshold.
  • the start of movement of the clamp 23 is detected by a sensor of known type, electrical contact or proximity sensor.
  • the signal communicated by the sensor interrupts the jack 5 and therefore the recoil of the hooks 15 and 16.
  • the variation in the traction force is detected on one of the hooks 15 (fig 5).
  • the hollow rod 13 which carries the hook 15 is slidably mounted in the transverse displacement carriage 6. It is held in the rear position by the action of the compression spring 60.
  • the force of traction exerted on the hooks 15 and 16 increases rapidly. This leads to the compression of the calibrated spring 60 and therefore to a relative displacement of the hollow rod 13 relative to its sup carriage port 6.
  • This movement is detected by a sensor 61 of known type: electrical contact, proximity sensor for example.
  • the signal communicated by the sensor interrupts the jack 5 and therefore the backward movement of the hooks 15 and 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Specific Conveyance Elements (AREA)
  • Sewing Machines And Sewing (AREA)
EP84400429A 1983-03-18 1984-03-05 Verfahren und Vorrichtung zum Umstülpen von Unterhosen Withdrawn EP0120752A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8304518A FR2542584B1 (fr) 1983-03-18 1983-03-18 Procede et installation pour retourner les slips
FR8304518 1983-03-18

Publications (1)

Publication Number Publication Date
EP0120752A1 true EP0120752A1 (de) 1984-10-03

Family

ID=9287025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84400429A Withdrawn EP0120752A1 (de) 1983-03-18 1984-03-05 Verfahren und Vorrichtung zum Umstülpen von Unterhosen

Country Status (3)

Country Link
EP (1) EP0120752A1 (de)
JP (1) JPS6071766A (de)
FR (1) FR2542584B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107164938A (zh) * 2017-07-13 2017-09-15 重庆固高自动化应用技术开发有限公司 一种皮套翻皮设备
CN108147084A (zh) * 2017-12-29 2018-06-12 宁波继峰汽车零部件股份有限公司 一种汽车扶手皮套翻面装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017175765A1 (ja) * 2016-04-06 2017-10-12 山田菊夫 衣類製造装置及び衣類製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2142503A5 (de) * 1971-06-17 1973-01-26 Hall Textiles Ltd
US3730405A (en) * 1971-06-22 1973-05-01 M Ezell Hosiery inspection apparatus
FR2384056A1 (fr) * 1977-03-15 1978-10-13 Allaire Emile Machine a retourner des articles tubulaires, notamment des pantalons
FR2417577A1 (fr) * 1978-02-21 1979-09-14 Pastorello Bruno Dispositif pour le retournement des pantalons

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2142503A5 (de) * 1971-06-17 1973-01-26 Hall Textiles Ltd
US3730405A (en) * 1971-06-22 1973-05-01 M Ezell Hosiery inspection apparatus
FR2384056A1 (fr) * 1977-03-15 1978-10-13 Allaire Emile Machine a retourner des articles tubulaires, notamment des pantalons
FR2417577A1 (fr) * 1978-02-21 1979-09-14 Pastorello Bruno Dispositif pour le retournement des pantalons

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107164938A (zh) * 2017-07-13 2017-09-15 重庆固高自动化应用技术开发有限公司 一种皮套翻皮设备
CN108147084A (zh) * 2017-12-29 2018-06-12 宁波继峰汽车零部件股份有限公司 一种汽车扶手皮套翻面装置

Also Published As

Publication number Publication date
FR2542584B1 (fr) 1985-08-09
FR2542584A1 (fr) 1984-09-21
JPS6071766A (ja) 1985-04-23

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Inventor name: DOYEN, JOEL