EP0633131A1 - Dispositif de traitement de produits plats de forme rectangulaire - Google Patents

Dispositif de traitement de produits plats de forme rectangulaire Download PDF

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Publication number
EP0633131A1
EP0633131A1 EP94104034A EP94104034A EP0633131A1 EP 0633131 A1 EP0633131 A1 EP 0633131A1 EP 94104034 A EP94104034 A EP 94104034A EP 94104034 A EP94104034 A EP 94104034A EP 0633131 A1 EP0633131 A1 EP 0633131A1
Authority
EP
European Patent Office
Prior art keywords
belt
product
transport means
station
blank
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Withdrawn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
EP94104034A
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German (de)
English (en)
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.)
Widmann Karl Schweissmaschinen GmbH
Original Assignee
Widmann Karl Schweissmaschinen GmbH
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 Widmann Karl Schweissmaschinen GmbH filed Critical Widmann Karl Schweissmaschinen GmbH
Publication of EP0633131A1 publication Critical patent/EP0633131A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F21/00—Indexing means; Indexing tabs or protectors therefor
    • B42F21/04—Tabs permanently fastened to sheets, papers, cards, or suspension files
    • B42F21/045—Tabs permanently fastened to sheets, papers, cards, or suspension files for suspension files
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
    • B31F5/06—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape
    • B31F5/08—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape for reinforcing edges ; Applying a strip or tape to an edge, e.g. for decorating, for protecting
    • B31F5/085—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape for reinforcing edges ; Applying a strip or tape to an edge, e.g. for decorating, for protecting combined with folding the strip around the edge, or applying an already folded strip on

Definitions

  • register inserts as examples of flat, rectangular products
  • the position of the printing and the position of the tab depend on the type of symbol, so that with a complete set of register inserts, all symbols belonging to the set appear one below the other on the relevant edge. Accordingly, in the production of the register inserts, which are produced in sets, the respectively supplied blank, which later forms the register insert, must be positioned in such a way that the processing such as printing, Attaching a reinforcement or cutting out the tab is done in the correct position.
  • the known device works satisfactorily. However, if the working speed is increased significantly, damage can occur to the edge with which the blank abuts the stop device because the delays increase with increasing transport speed. In the case of very flexible material, such as thin plastic films, there is no permanent damage, but the corresponding square blanks can slip to the side or otherwise be disturbed in the position.
  • the delay no longer occurs, as in the prior art, by bumping into a stop with the resulting risk of edge damage , but by stopping the means of transport, whereby the braking distance of the product is equal to the stopping distance of the means of transport.
  • the forces on the product are correspondingly smaller and, moreover, the edge of the product is no longer used for stopping. Particularly good entrainment of the products is achieved if at least one endless belt mounted in the machine frame is used for this.
  • the transport device is designed as a vacuum transport device. If a belt is used, it is provided with holes accordingly. The holes can also be used as transport holes if appropriate drive rollers are provided. However, if the product is particularly sensitive, it is recommended to use perforated timing belts, which are flat and smooth in the area of the perforations on both sides of the belt so that leaks in a vacuum box located under the belt are largely excluded. With such an arrangement, very high speeds with short stopping distances are possible because of the very high pressure forces for the products.
  • the drive device can be both regulated and controlled, and in the simplest case, in the case of the controlled drive, it contains a stepping motor in order to stop and move the means of transport.
  • a controlled drive device can also be implemented with the aid of a stepper motor.
  • an AC drive with a corresponding position transmitter can also be used.
  • Fig. 1 shows a register insert 1, which consists of an essentially rectangular main part 2, which, based on the normal position of use, is delimited by a rear or rear edge 3, a front edge 4 running parallel thereto, an upper edge 5 and a lower edge 6.
  • the register insert 1 has a strip-shaped reinforcement 7 and there is a perforation 8 in this area for filing the register insert 1.
  • a tab 9 protrudes from the front edge 4, on which a symbol 11 corresponding to the desired sorting topic, in this case the letter "B", is attached.
  • the tab 9 is also designed with a reinforcement 12 which is attached both on the front side visible in FIG. 1 and on the rear side of the register insert 1 facing away from the viewer.
  • the reinforcement 12 not only covers the tab 9, but it still extends, as can be seen in FIG. 1, a little way into the main part 2, so that the highly stressed bending line which extends through the tab 9 in the extension of the front edge 4 , is protected with.
  • the reinforcement 12 is integrally connected to the tab 9 or the main part 2 by gluing over the entire surface.
  • Fig. 2 shows in detail the structure and also shows the manufacturing process.
  • a rectangular blank 13 is assumed which is delimited by four edges 3, 5, 6 and 14.
  • the edges 3, 5 and 6 form the corresponding edges of the finished register insert 1, which is why the same reference numerals are used for identification.
  • This blank 13 is obtained by that the blank 13 is cut from a correspondingly wide band.
  • the material of the blank 13 can be reinforced paper, cardboard or solid cardboard or a suitable plastic film.
  • the reinforcement strip 7 is then glued over the entire area to the blank 13 obtained, in addition to the rear edge 3.
  • the perforation 8 is made.
  • a further rectangular blank 15 is cut from a band of its own, made of a suitable material, which later forms the reinforcement 12. Since in the embodiment shown the reinforcement 12 is present both on the front and on the back of the register insert 1, the width of the blank 15 is twice as wide as the distance from the front edge of the tab 9 to that on the main section 2 Edge of the reinforcement 12. The height extension of the blank 15, on the other hand, is significantly larger than corresponds to the later height extension of the tab 9.
  • the material from which the reinforcement 12 is made is a transparent or transparent plastic film in the exemplary embodiment shown.
  • the reinforcement 12 After the reinforcement 12 has been cut off from the endless belt in the manner described above, it is printed or embossed with the symbol 11 on the side which later forms the inside. Since the symbol 11 is located on the inside, it is printed in mirror image, preferably twice, in order to be able to place the symbol 11 both from the front of the register insert 1 and from the rear.
  • the reinforcement 15 is folded in the middle along a bending line 16. This bending line 16 runs in the middle between the two printed symbols 11.
  • the reinforcement 15 After the reinforcement 15 has been prepared so far, it is placed on the blank 13 over its front edge 14 until it bumps against the front edge 14 with its bending fold corresponding to the bending line 16.
  • the distance of the reinforcement 12 from the upper edge 5 is chosen so that the symbol 11 is finally in the middle of the finished tab 9.
  • the attached reinforcement blank 15 is then integrally connected to the blank 13, for example by a type of heat sealing process. Since the symbols 11 are located on the inside of the reinforcement blank 15, they are between the blank 13 and the reinforcement blank 15 after being glued on. They are therefore protected on both sides.
  • the blank 13 is punched out in the region of its front edge 14 along dash-dotted lines 17 which are congruent with the front edge 4 of the finished register insert 1.
  • the tab 9 protruding from the front edge 4 is produced by punching out the dash-dotted lines 17, since its front edge is identical to the edge 14 of the blank 13.
  • each symbol of the sorting scheme is assigned an individual distance from the upper edge 5 or on the lower edge 6, the tab 9 gradually moves from the upper edge 5 to the lower edge 6 according to the lexicographical order of the symbols within the sorting scheme Offset of the tab 9 from register insert 1 to register insert 1 requires a corresponding relative positioning between the station in which the reinforcement blank 15 is applied and the blank 13 arriving in this station.
  • the device 18 shown in a highly schematic manner in FIG. 3 is provided.
  • the obvious parts, such as bearings, machine frame and the like, have been omitted for the sake of clarity in order not to overload the drawing with details which are not necessary for understanding the structure of the device 18.
  • the device 18 essentially consists of a transport device 19 for transporting the rectangular blanks 13 provided with the reinforcement strip 7, which were previously cut down from an endless belt in a known manner in a preceding station. Furthermore, the device 18 has an application device 21, with which the reinforcement blanks 15 are fed to the blank 13, a cutting device 22, which is used to cut the reinforcement blanks 15 from a supply strip 23, and a stitching device 24, for provisionally, the reinforcement blanks 15 on the pin each blank 13. The correct position of the blank 13 is set using a stop device 25.
  • the transport device 19 contains two roller-shaped deflecting rollers which are rotatably mounted parallel to one another and are provided with teeth, of which only the deflecting roller 26 is visible for reasons of illustration. It is arranged upstream of the path of the blank 13.
  • the deflection roller 26 is driven by a drive device 27 connected to selectively set the roller 26 in revolutions.
  • Two endless conveyor belts 28, designed as toothed belts, run parallel to and around both deflection rollers 18, the blanks 13 resting on the working run 29 above them, and they are carried along as a result of frictional engagement.
  • the working section 29 of the two transport belts 28 defines the path along which the blanks 13 are transported.
  • the timing belts have a shape that differs from that of conventional timing belts. Its toothed side opposite the smooth back is not, as is customary, provided with teeth that are continuous over the width, but rather its teeth 31 are toothlessly smooth along a central region 32 that extends over the entire longitudinal extent of the toothed belt 28. In this toothless smooth area 32 there are a large number of openings 33 which connect the front to the back of the respective toothed belt 28. In this way, a fluid connection between the front and the back of the toothed belt 28 is made.
  • the width of the toothless region 32 of each of the two toothed belts 28 corresponds to the width of two suction boxes or suction channels 34 which are held in the machine frame in accordance with the distance between the toothed belts 28.
  • these suction boxes 34 form the guide device which supports the section of the respective toothed belt 28 which forms the working strand 29.
  • the suction boxes 34 are open in a known manner towards the underside of the toothed belt 28 and are also connected to a vacuum source, not shown.
  • the suction boxes 34 begin a little downstream from the toothed deflection roller 26 and end a little downstream from the application device 21.
  • control the drive device 27 which is formed, for example, by a correspondingly powerful stepper motor, there is a control device 35 via which the drive device 27 is controlled to start or stop so that the two toothed belts 28 can move synchronously in the start / stop mode .
  • a sensor 36 for example in the form of a reflective light barrier, is arranged upstream of the toothed deflection roller 26 and is connected to the control device 35 via electrical lines (not shown).
  • the application device 21 is arranged. It contains a cylindrical drum 37 which is rotatably mounted about its longitudinal axis. This drum 37 serves as a gripper for the reinforcement blanks 15 in order to apply them to the blanks 13.
  • the axis of rotation of the drum 37 runs parallel to the working run 29 and at the level of the plane defined by the two working runs 29.
  • the drum 37 is provided with a total of six V-shaped grooves 38 in its outer peripheral surface. These grooves 38 penetrate the cylindrical drum 37 over the entire length and are open towards the end faces of the drum 37. They are also oriented so that they converge towards the axis.
  • the drum 37 is fixed in a rotatable manner and connected via a shaft 39 to a stepper motor drive 41, by means of which the drum 37 can be rotated and stopped in a controlled manner in each case by the angular distance between two adjacent grooves 38.
  • the cutting device 22 contains a die 42 which is arranged next to the upstream end of the drum 37 and whose flat-ground cutting surface extends at right angles to the axis of rotation of the drum 37.
  • a die 42 which is arranged next to the upstream end of the drum 37 and whose flat-ground cutting surface extends at right angles to the axis of rotation of the drum 37.
  • an opening 43 which has a similar shape to the grooves 38, but a smaller opening angle compared to these.
  • the opening 43 is aligned in corresponding positions of the drum 37 with its V-shaped grooves 38.
  • the cutting knife 44 is driven by means of a toggle mechanism 45 via a push rod 46.
  • a working cylinder 51 engages the toggle lever arrangement 45, which is supported on the frame by a shaft 47. An actuation of the working cylinder 51 leads to a stretching of the toggle lever arrangement 45 and thus to an advancement of the cutting knife 44.
  • the cutting device 42 serves to cut a piece off the strip 23 coming from a supply roll (not shown), which forms the reinforcement blank 15. Simultaneously with the cutting movement, the cut piece is pushed into the V-shaped groove 38 by the slider 45 in accordance with the reinforcement cut. In this groove 38, the reinforcement blank 15 by small, to the Edges of the grooves 38 provided strip held.
  • a folding station 54 upstream of the cutting device 22, which serves to fold the band-shaped strip 23 along its center line in accordance with the bending line 16 of the finished reinforcement blank 15.
  • the folding station 54 has a guide device 56 at its entrance, which prevents the fold from spreading too far upstream along the strip 23.
  • two pinch rollers 57 are provided, between which the pre-folded strip 23 runs. In addition, the pinch rollers 57 serve to transport the strip 23.
  • a printing device 58 is provided upstream of the folding station 54 in order to print the strips 23 with the symbols 11 in succession.
  • the printing station 58 has a rotatably mounted print head 59, the axis of rotation of which is perpendicular to the transport movement of the strip 23.
  • the print head 59 carries on its outer peripheral surface in two rows one above the other two sets of symbols that belong to the selected storage scheme.
  • a ribbon 61 which comes from a rotatably mounted supply roll 62 and is wound on a roll 63, leads around the print head 59.
  • a pressure device which is not further illustrated, and which is located on the back of the strip 23, the strip 23 can be pressed against the ink ribbon 61 and the print head 59 in order to print on the strip 23 in accordance with the contours of the respective symbol.
  • This stapling device has two beams 65, 66 movably mounted in the machine frame, which carry a total of five prongs 67 on their side facing the drum 37.
  • These tines 67 are aligned with grooves 68 lying in the circumferential direction in the outer circumferential surface of the drum 37 and the tines 67 are also directly opposite one another. They are arranged on both sides of the drum 37 and can be moved towards one another by a drive device (not shown), where they meet in the region of one of the V-shaped grooves 38, namely that groove into which the blank 13, as in FIG. 3 is introduced.
  • control device 35 sets the drive device 27 in motion again and the two toothed belts 28 create the blank 13 in a subsequent station (not shown), in which the reinforcement 15 is glued to the blank 13 over the entire surface .
  • a further piece of the strip 23 can now be advanced through the cutting die 42 with the aid of the pinch rollers 57, in accordance with the length of a reinforcement 15.
  • the symbols are simultaneously printed upstream of the strip 23.
  • the working cylinder 53 is started to advance the knife 44 which, in cooperation with the die 42, cuts off the next reinforcement 15 and with the aid of the bar 65 inserted into the relevant groove 38.
  • a further blank 13 was cut from a corresponding endless belt by a cutting station, not shown, and placed on the two toothed belts 28 by its transport device. Since the vacuum device takes effect immediately downstream of the deflection roller 26, the incoming blank 13 is immediately sucked onto the two working strands 29 with great force. The force with which the suction takes place is so great that the other forces acting on the blank 13 can no longer move it on the back of the toothed belt 28.
  • the control device 35 When a new blank 13 comes in, the control device 35 has started the drive device 27 at a speed such that there is no speed difference between the feed movement of the blank 13 and the path speed of the toothed belt 28. The new blank 13 consequently runs continuously and without kinks in the direction of the application device 21. The exact temporal or spatial position is supplied to the control device 35 by the reflex light barrier 36, which detects when the upstream edge of the blank 13 has passed it. Based on this information and the information about how many blanks 13 within a set, the control device 35 can stop the drive device 27 exactly when that area of the blank 13 is correctly positioned in the drum 37 that is later in the finished set forms the relevant tab.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Making Paper Articles (AREA)
EP94104034A 1993-07-06 1994-03-16 Dispositif de traitement de produits plats de forme rectangulaire Withdrawn EP0633131A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4322454 1993-07-06
DE19934322454 DE4322454C2 (de) 1993-07-06 1993-07-06 Vorrichtung zum Bearbeiten von im wesentlichen rechteckigen flachen Produkten

Publications (1)

Publication Number Publication Date
EP0633131A1 true EP0633131A1 (fr) 1995-01-11

Family

ID=6492075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94104034A Withdrawn EP0633131A1 (fr) 1993-07-06 1994-03-16 Dispositif de traitement de produits plats de forme rectangulaire

Country Status (2)

Country Link
EP (1) EP0633131A1 (fr)
DE (1) DE4322454C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016123422A1 (fr) * 2015-01-30 2016-08-04 Ccl Label, Inc. Ensemble bande d'adhérence de séparation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504336A (en) * 1983-12-27 1985-03-12 Anselm Talalay Tab applying method and apparatus
EP0383612A2 (fr) * 1989-02-17 1990-08-22 Fujitsu Limited Appareil pour transporter des feuilles
DE3934217A1 (de) * 1989-10-13 1991-04-25 Widmann Karl Schweissmasch Vorrichtung zum anbringen von verstaerkungen an registereinlagen
DE4201411A1 (de) * 1992-01-21 1993-07-22 Blohm Voss Ag Niederhalter an behandlungsanlagen, insbesondere stanzmaschinen, fuer duenne flache gegenstaende, insbesondere boegen aus papier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000111B (en) * 1977-06-16 1982-01-13 Ricoh Kk Document feed apparatus
CH642594A5 (de) * 1979-06-25 1984-04-30 Hunkeler Jos Ag Fabrik Fuer Gr Verfahren und vorrichtung zum automatischen aufbringen von aufklebern auf eine endlosbahn.
DE4036824C2 (de) * 1990-11-19 1994-11-24 Lemke Wolfgang Vorrichtung zum Zuführen einer aufzuklebenden Karte

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504336A (en) * 1983-12-27 1985-03-12 Anselm Talalay Tab applying method and apparatus
EP0383612A2 (fr) * 1989-02-17 1990-08-22 Fujitsu Limited Appareil pour transporter des feuilles
DE3934217A1 (de) * 1989-10-13 1991-04-25 Widmann Karl Schweissmasch Vorrichtung zum anbringen von verstaerkungen an registereinlagen
DE4201411A1 (de) * 1992-01-21 1993-07-22 Blohm Voss Ag Niederhalter an behandlungsanlagen, insbesondere stanzmaschinen, fuer duenne flache gegenstaende, insbesondere boegen aus papier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016123422A1 (fr) * 2015-01-30 2016-08-04 Ccl Label, Inc. Ensemble bande d'adhérence de séparation
US9895923B2 (en) 2015-01-30 2018-02-20 Ccl Label, Inc. Divider adhesion strip assembly

Also Published As

Publication number Publication date
DE4322454A1 (de) 1995-01-12
DE4322454C2 (de) 1995-08-10

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