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EP0039850B1 - Process for making link belts and apparatus for carrying it into effect - Google Patents

Process for making link belts and apparatus for carrying it into effect Download PDF

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Publication number
EP0039850B1
EP0039850B1 EP81103306A EP81103306A EP0039850B1 EP 0039850 B1 EP0039850 B1 EP 0039850B1 EP 81103306 A EP81103306 A EP 81103306A EP 81103306 A EP81103306 A EP 81103306A EP 0039850 B1 EP0039850 B1 EP 0039850B1
Authority
EP
European Patent Office
Prior art keywords
connecting wires
wire link
helices
closure
openings
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
Application number
EP81103306A
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German (de)
French (fr)
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EP0039850A1 (en
EP0039850B2 (en
Inventor
Heinz Kerber
Hella Kerber
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Individual
Original Assignee
Individual
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Application filed by Individual filed Critical Individual
Priority to AT83112252T priority Critical patent/ATE29908T1/en
Priority to AT81103306T priority patent/ATE7314T1/en
Priority to DE8383112252T priority patent/DE3176466D1/en
Publication of EP0039850A1 publication Critical patent/EP0039850A1/en
Application granted granted Critical
Publication of EP0039850B1 publication Critical patent/EP0039850B1/en
Publication of EP0039850B2 publication Critical patent/EP0039850B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F43/00—Making bands, e.g. bracelets, or wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F27/00—Making wire network, i.e. wire nets
    • B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
    • B21F27/18—Making special types or portions of network by methods or means specially adapted therefor of meshed work for filters or sieves
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0072—Link belts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49782—Method of mechanical manufacture of a slide fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/4987—Elastic joining of parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53291—Slide fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53657—Means to assemble or disassemble to apply or remove a resilient article [e.g., tube, sleeve, etc.]

Definitions

  • the subject matter of the invention is a method and a device for the production of wire link belts for the execution thereof.
  • the invention is based on wire link belts as described in the patent specification CH-A-610273.
  • One coil after the other is pressed by hand into the respective previously created coil by means of sliding pressure.
  • the previously created helix offers the next helix to be applied a fixed pitch that corresponds to twice the wire thickness. It is difficult and requires dexterity to achieve the deep interlocking of all turns of the coils. If the helix is not pressed in deep enough, it springs out due to the contracting spring force and the whole process has to be repeated. If, on the other hand, they are pressed too deeply into one another, the head arches of the turns protrude too little for the next coil to be applied and it can no longer be connected.
  • the connecting wires are pushed in by hand from one side into the last pair of coils after each pressed-in coil. If the turns of the helix are not aligned uniformly, so that a uniform tubular opening of the respective corresponding turns of the helix is produced, the connecting wire can no longer be pushed. This is favored by the contracting tension of the coils. Once a helix has misaligned, it can no longer be moved by the connecting wire, since the coils cling to one another and hold in a fixed position due to their contracting spring force.
  • the object of the invention is to overcome the disadvantages mentioned and to find a simple method for producing wire link belts mechanically and economically.
  • Another object of the invention is to find a simple device for carrying out this method.
  • the object is achieved in that three or more wire coils are laterally pressed into one another by pulling together through a narrow closing gap.
  • the turns of adjacent wire coils open just enough, due to their contracting pre-tension, that they can interlock and connect to form a wire link belt.
  • wires are used as the connecting means, these are inserted simultaneously, or later, into the corresponding openings in the interlocking turns of the coils of the sectional sieve as soon as the coils have passed the closing gap or the drive. How far the tips of the connecting wires are brought to the exit of the closing gap depends on the shape and size of the spirals used and the connecting wires. They should help to secure the connection of the coils as early as possible. They can also be introduced rotating around their central axis. During the insertion of the connecting wires, the coils are stretched in the direction of the connecting wires, so that the mutual clamping of the coils, which is brought about by the contracting property, is released for a short time.
  • a stationary or traversing closing gap has a narrowing passage opening which is limited by a top surface, two side surfaces and a bottom surface, the narrowest cross-section of which is approximately the cross-sectional dimension of the part to be formed Corresponds to the wire link belt and the wire coils are pulled through the closing gap by a drive.
  • a transport head In the case of a stationary closing gap, after leaving the drive, a transport head, through which the connecting wires also run, detects the beginning of the link screen formed and, by means of suitable centering devices, pushes the openings of the corresponding turns of the coils onto the fixed connecting wires.
  • the connecting wires are held in position during the pushing on by a rolling pressure roller, or pressure roller pair, or by pressure roller belt, arranged in the transport head. Uniform stretching is achieved by the transport head moving away faster than the drive pulling coils out of the closing gap. If the transport head has reached the intended link screen width, it will Section sieve cut off on both side edges.
  • the transport head moves back to the closing gap drive, taking the new connecting wires with it and pushing them back into the openings of the corresponding coils using a suitable device. A new step can begin.
  • the drive and the spiral storage containers also traverse.
  • the sectional sieve drawn by the drive through the closing gap is held in position with its first turns by a suitable clamping device.
  • An insertion device for the connecting wires consisting of a tape drive or several tape drives with a suitable centering device, is arranged on one or both side edges.
  • the filaments can be put down from the closing gap or from the drive and the connecting wires can be pushed in each time it is moved back and forth.
  • a heat-fixing device for heat-fixing the connecting wires can be arranged in front of the insertion device.
  • sectional sieves can be connected to a longer sectional sieve according to the invention by producing several closing gaps next to one another, or step-by-step side by side forming sectional sieves and their respective adjacent turns of their coils are brought together so that they engage and are connected, or are brought together so that an additional coil , or spiral pair, or an additional sectional sieve for connecting between the adjacent turns of the sectional sieves can be introduced.
  • An advantageous arrangement for extending sectional sieves is when a third sectional sieve with a traversing closing gap is produced between two sectional sieves from stationary closing gaps, the two outermost coils of which lie with their turns in the turns of the other two sectional sieves. This combination can be reproduced.
  • the technical progress consists in the fact that in a surprisingly simple manner a large number of coils are zipped together exactly to form a link screen, and at the same time all the connecting wires required for connecting the coils are inserted, so that mechanical production is possible and very fine link screens can be manufactured with small pitches and pitches over large widths and lengths.
  • Another advantage is that by pulling through a narrow closing gap, the spirals arrange themselves automatically before entering the closing gap and, despite the large number of spirals, no complex feeding and dividing arrangement is necessary.
  • a further advantage is that the prefabricated coils can be manufactured turn by turn, which simplifies their production and that even pitch differences or twists within individual coils do not cause any disturbances.
  • closing gap can produce sectional sieves with different pitches and can connect different sizes of coils by small adjustments.
  • sectional screens are prefabricated as partial sections, which are then later combined according to the known system or according to the invention to form a sectional screen of greater length.
  • the advantage of this method lies in the simplicity of the device and the relatively easy insertion of the connecting wires. Stockpiling and manufacturing in stock can also be facilitated.
  • the resulting sections can be connected at the same time to the last spiral of the previously manufactured sectional screen section.
  • a suitable extraction device enables continuous production of sectional sieves.
  • coils 1, 2 turned to the right and left are pulled alternately through the closing gap 3.
  • these coils In front of the closing gap, these coils have a pitch smaller than twice the wire diameter. Due to the narrowing of the closing gap 3, the turns open up to one another and slide into one another by means of tension and lateral pressure to form a wire link belt 10.
  • the exemplary embodiment only three coils are drawn for a better overview. But there can be many.
  • the insertion device 12 for the connecting wires is stationary.
  • the terminal 15 detects the beginning of the wire link belt 10, which was pulled through the closing gap 3 by means of the drive 4 and stored.
  • the connecting wires 8 are inserted into the openings 13, 14 of the turns of the wire link belt 10 via the centering device 6.
  • the stationary closing gap 3 with drive 4 and the transport head 11 work on a solid base 17.
  • the connecting wires are drawn off from supply rolls 16 after each operation by the returning transport head.
  • the traversing closing gap can also be arranged.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Paper (AREA)
  • Ropes Or Cables (AREA)

Description

Gegenstand der Erfindung ist ein Verfahren und eine zu dessen Ausführung dienende Vorrichtung zum Herstellen von Drahtgliederbändern.The subject matter of the invention is a method and a device for the production of wire link belts for the execution thereof.

Die Erfindung geht aus von Drahtgliederbändern, wie sie in der Patentschrift CH-A-610273 beschrieben sind. Per Hand wird eine Wendel nach der anderen in die jeweilige vorher angelegte Wendel mittels Gleitdruck eingepresst. Die vorher angelegte Wendel bietet der jeweils nächsten anzulegenden Wendel eine fixierte Steigung an, die der doppelten Drahtstärke entspricht. Es ist schwierig und benötigt Fingerfertigkeit, das gleichmässig tiefe Ineinandergreifen aller Windungen der Wendeln zu erreichen. Ist die Wendel nicht tief genug eingepresst, so springt sie durch die ihr aufgeprägte kontrahierende Federkraft wieder heraus und der ganze Vorgang muß wiederholt werden. Sind sie dagegen zu tief ineinandergepresst, so ragen die Kopfbögen der Windungen zu wenig hervor für die nächste anzulegende Wendel und sie kann nicht mehr verbunden werden.The invention is based on wire link belts as described in the patent specification CH-A-610273. One coil after the other is pressed by hand into the respective previously created coil by means of sliding pressure. The previously created helix offers the next helix to be applied a fixed pitch that corresponds to twice the wire thickness. It is difficult and requires dexterity to achieve the deep interlocking of all turns of the coils. If the helix is not pressed in deep enough, it springs out due to the contracting spring force and the whole process has to be repeated. If, on the other hand, they are pressed too deeply into one another, the head arches of the turns protrude too little for the next coil to be applied and it can no longer be connected.

In der Ausführung, bei welcher die Wendeln mittels Steckdrähten verbunden werden, werden die Verbindungsdrähte nach jeder eingepressten Wendel in das letzte Wendelpaar von einer Seite her per Hand eingeschoben. Sind die Windungen der Wendel nicht gleichmässig ausgerichtet, so daß eine gleichmässige röhrenförmige Öffnung der jeweils korrespondierenden Windungen der Wendeln entsteht, so läßt sich der Verbindungsdraht nicht mehr weiterschieben. Begünstigt wird dies durch die kontrahierende Verspannung der Wendeln. Hat eine Wendel eine Fehlstellung einmal eingenommen, so kann sie durch den Verbindungsdraht auch nicht mehr verschoben werden, da sich die Windungen gegenseitig durch ihre kontrahierende Federkraft ineinanderkrallen und in fester Position halten.In the embodiment in which the coils are connected by means of plug-in wires, the connecting wires are pushed in by hand from one side into the last pair of coils after each pressed-in coil. If the turns of the helix are not aligned uniformly, so that a uniform tubular opening of the respective corresponding turns of the helix is produced, the connecting wire can no longer be pushed. This is favored by the contracting tension of the coils. Once a helix has misaligned, it can no longer be moved by the connecting wire, since the coils cling to one another and hold in a fixed position due to their contracting spring force.

Es sind für das Anlegen und das Einführen der Verbindungsdrähte mindestens zwei Personen nötig. Das ist sehr zeitaufwendig und bedarf großer Genauigkeit der Arbeiten und Aufmerksamkeit und ist außerdem nur über kleinere Breiten ausführbar. Aus diesen Gründen mußte man den Innendurchmesser der Windungs-Kopfbögen größer halten, oder die Durchmesser der Verbindungsdrähte kleiner, was den Einsatzzweck und die Lebensdauer beschränkte. Auch konnte der Drahtdurchmesser der Wendel, sowie die Teilung nicht beliebig klein gehalten werden, was die nötige Feinheit, z. B. für Papiermaschinen wesentlich einschränkte und nachteilig war.At least two people are required to put on and insert the connecting wires. This is very time-consuming and requires great accuracy of work and attention and is also only feasible over smaller widths. For these reasons, the inside diameter of the winding head bends had to be kept larger, or the diameter of the connecting wires smaller, which limited the intended use and the service life. Also, the wire diameter of the coil and the pitch could not be kept arbitrarily small, which required the necessary fineness, e.g. B. for paper machines was significantly restricted and disadvantageous.

Bei Reißverschlüssen ist bekannt, daß ein Gliederkettenpaar, durch Tragbänder im exakten Steigungs-Abstand fixiert, mittels beweglichem Schieber ineinander verbunden werden. Es ist eine allgemeine Erfahrung, daß Reißverschlüsse schon bei kleinsten Differenzen der Steigung z. B. durch Schrumpfung des Tragbandes nicht mehr zu schließen sind. Über größere Breiten wird das Schließen ganz unmöglich.In the case of zippers, it is known that a pair of link chains, fixed at the exact pitch by means of support straps, are connected to one another by means of a movable slide. It is a common experience that zippers even with the smallest differences in the slope z. B. can no longer be closed by shrinking the carrier tape. Closing becomes completely impossible over larger widths.

Aufgabe der Erfindung ist es, die genannten Nachteile aufzuheben und ein einfaches Verfahren zu finden, Drahgtgliederbänder maschinell und wirtschaftlich herzustellen.The object of the invention is to overcome the disadvantages mentioned and to find a simple method for producing wire link belts mechanically and economically.

Aufgabe der Erfindung ist es ferner, eine einfache Vorrichtung zur Durchführung dieses Verfahrens zu finden.Another object of the invention is to find a simple device for carrying out this method.

Die Aufgabe wird dadurch gelöst, daß drei oder mehr Drahtwendeln durch gemeinsames Ziehen durch einen engen Schließspalt seitlich ineinandergepreßt werden. Dabei öffnen sich die Windungen benachbarter Drahtwendeln gerade so weit, infolge ihrer kontrahierenden Vorspannung, daß sie ineinandergreifen können und sich zu einem Drahtgliederband verbinden.The object is achieved in that three or more wire coils are laterally pressed into one another by pulling together through a narrow closing gap. The turns of adjacent wire coils open just enough, due to their contracting pre-tension, that they can interlock and connect to form a wire link belt.

Wenn als Verbindungsmittel Drähte verwendet werden, werden diese gleichzeitig, oder später, in die entsprechenden Öffnungen der ineinandergreifenden Windungen der Wendeln des Gliedersiebes eingeführt, sobald die Wendeln den Schließspalt, respektive den Antrieb passiert haben. Wie weit die Spitzen der Verbindungsdrähte an den Ausgang des Schließspaltes herangeführt werden, hängt ab von der Form und Größe der verwendeten Wendeln und der Verbindungsdrähte. Sie sollen mithelfen, die Verbindung der Wendeln möglichst frühzeitig zu sichern. Sie können auch sich um ihre Mittelachse drehend eingeführt werden. Während des Einführens der Verbindungsdrähte werden die Wendeln in Richtung der Verbindungsdrähte gestreckt, so daß die gegenseitige Verklammerung der Wendeln, die durch die Kontrahierende Eigenschaft bewirkt ist, kurzfristig aufgehoben wird.If wires are used as the connecting means, these are inserted simultaneously, or later, into the corresponding openings in the interlocking turns of the coils of the sectional sieve as soon as the coils have passed the closing gap or the drive. How far the tips of the connecting wires are brought to the exit of the closing gap depends on the shape and size of the spirals used and the connecting wires. They should help to secure the connection of the coils as early as possible. They can also be introduced rotating around their central axis. During the insertion of the connecting wires, the coils are stretched in the direction of the connecting wires, so that the mutual clamping of the coils, which is brought about by the contracting property, is released for a short time.

Ferner wird die Aufgabe der Erfindung durch eine Vorrichtung gelöst, bei der ein stationärer, oder traversierend laufender Schließspalt eine sich verengende Durchlauföffnung hat, die begrenzt ist durch eine Deckenfläche, zwei Seitenflächen und einer Bodenfläche, deren engster Querschnitt annähernd der Querschnitts-Dimension des zu formenden Drahtgliederbandes entspricht und wobei durch einen Antrieb die Drahtwendeln durch den Schließspalt gezogen werden.Furthermore, the object of the invention is achieved by a device in which a stationary or traversing closing gap has a narrowing passage opening which is limited by a top surface, two side surfaces and a bottom surface, the narrowest cross-section of which is approximately the cross-sectional dimension of the part to be formed Corresponds to the wire link belt and the wire coils are pulled through the closing gap by a drive.

Bei stationären Schließspalt erfasst, nach Verlassen des Antriebs ein Transportkopf, durch den auch die Verbindungsdrähte laufen, den Anfang des gebildeten Gliedersiebes und schiebt durch geeignete Zentriereinrichtungen die Öffnungen der korrespondierenden Windungen der Wendeln auf die feststehenden Verbindungsdrähte. Die Verbindungsdrähte werden während des Aufschiebens durch eine sich abrollende Druckwalze, oder Druckwalzenpaar, oder durch Druckwalzenband, im Transportkopf angeordnet, in Position gehalten. Das gleichmässige Strecken wird erreicht, indem der Transportkopf schneller wegfährt, als der Antrieb Wendeln aus dem Schließspalt zieht. Hat der Transportkopf die vorgesehene Gliedersiebbreite erreicht, wird das Gliedersieb an beiden Seitenkanten abgeschnitten. Der Transportkopf fährt zum Schließspalt-Antrieb zurück und nimmt dabei die neuen Verbindungsdrähte mit und schiebt sie durch eine geeignete Vorrichtung wieder in die Öffnungen der korrespondierenden Wendeln. Ein neuer Arbeitsgang kann beginnen.In the case of a stationary closing gap, after leaving the drive, a transport head, through which the connecting wires also run, detects the beginning of the link screen formed and, by means of suitable centering devices, pushes the openings of the corresponding turns of the coils onto the fixed connecting wires. The connecting wires are held in position during the pushing on by a rolling pressure roller, or pressure roller pair, or by pressure roller belt, arranged in the transport head. Uniform stretching is achieved by the transport head moving away faster than the drive pulling coils out of the closing gap. If the transport head has reached the intended link screen width, it will Section sieve cut off on both side edges. The transport head moves back to the closing gap drive, taking the new connecting wires with it and pushing them back into the openings of the corresponding coils using a suitable device. A new step can begin.

Beim traversierenden Schließspalt traversieren gleichzeitig der Antrieb und die Wendelvorratsbehälter mit. Das durch den Antrieb durch den Schließspalt gezogene Gliedersieb wird mit seinen ersten Windungen durch geeignete Klemmeinrichtung in Position gehalten. Eine Einschiebevorrichtung für die Verbindungsdrähte, bestehend aus einem Bandantrieb, oder mehreren Bandantrieben mit geeigneter Zentriereinrichtung ist an einer oder beiden Seitenkanten angeordnet. Das Ablegen der Wendeln aus dem Schließspalt, respektive vom Antrieb und das Einschieben der Verbindungsdrähte kann bei jedem Hin- und Herbewegen erfolgen. Vor der Einschiebvorrichtung kann eine Thermofixiereinrichtung zum Thermofixieren der Verbindungsdrähte angeordnet sein.In the traversing closing gap, the drive and the spiral storage containers also traverse. The sectional sieve drawn by the drive through the closing gap is held in position with its first turns by a suitable clamping device. An insertion device for the connecting wires, consisting of a tape drive or several tape drives with a suitable centering device, is arranged on one or both side edges. The filaments can be put down from the closing gap or from the drive and the connecting wires can be pushed in each time it is moved back and forth. A heat-fixing device for heat-fixing the connecting wires can be arranged in front of the insertion device.

Einzelne Gliedersiebe können nach der Erfindung zu einem längeren Gliedersieb verbunden werden, indem mehrere Schließspalte nebeneinander, oder stufenförmig nebeneinander Gliedersiebe herstellen und deren jeweils angrenzenden Windungen ihrer Wendeln so zusammengeführt werden, daß sie ineinandergreifen und verbunden werden, oder so zusammengeführt werden, daß eine zusätzliche Wendel, oder Wendelpaar, oder ein zusätzliches Gliedersieb zum Verbinden zwischen den jeweils angrenzenden Windungen der Gliedersiebe eingeführt werden kann. Eine vorteilhafte Anordnung zum Verlängern von Gliedersieben ist, wenn zwischen zwei Gliedersieben aus stationären Schließspalten, ein drittes Gliedersieb mit einem traversierenden Schließspalt hergestellt wird, dessen beide äußersten Wendeln mit ihren Windungen sich in die Windungen der beiden anderen Gliedersiebe einlegen. Diese Kombination läßt sich vervielfältigen.Individual sectional sieves can be connected to a longer sectional sieve according to the invention by producing several closing gaps next to one another, or step-by-step side by side forming sectional sieves and their respective adjacent turns of their coils are brought together so that they engage and are connected, or are brought together so that an additional coil , or spiral pair, or an additional sectional sieve for connecting between the adjacent turns of the sectional sieves can be introduced. An advantageous arrangement for extending sectional sieves is when a third sectional sieve with a traversing closing gap is produced between two sectional sieves from stationary closing gaps, the two outermost coils of which lie with their turns in the turns of the other two sectional sieves. This combination can be reproduced.

Der technische Fortschritt besteht darin, daß auf überraschend einfache Weise in einem Arbeitsgang eine Vielzahl von Wendeln reißverschlußartig exakt zu einem Gliedersieb ineinander verbunden werden und gleichzeitig alle für die Verbindung der Wendeln nötigen Verbindungsdrähte eingeführt werden, so daß eine mechanische Fertigung möglich ist und sehr feine Gliedersiebe mit kleiner Steigung und Teilung auch über große Breiten und Längen hergestellt werden können.The technical progress consists in the fact that in a surprisingly simple manner a large number of coils are zipped together exactly to form a link screen, and at the same time all the connecting wires required for connecting the coils are inserted, so that mechanical production is possible and very fine link screens can be manufactured with small pitches and pitches over large widths and lengths.

Ein weiterer Vorteil liegt darin, daß durch das Ziehen durch einen engen Schließspalt die Wendeln vor dem Einlauf in den Schließspalt sich selbsttätig ordnen und trotz der Vielzahl der Wendeln keine aufwendige Zuführ- und Teilungsanordnung nötig ist.Another advantage is that by pulling through a narrow closing gap, the spirals arrange themselves automatically before entering the closing gap and, despite the large number of spirals, no complex feeding and dividing arrangement is necessary.

Ein weiterer Vorteil ist ferner, daß die vorgefertigten Wendeln Windung an Windung gefertigt werden können, was deren Produktion vereinfacht und daß selbst Steigungsdifferenzen oder Verwindungen innerhalb einzelner Wendeln keine Störungen verursachen.A further advantage is that the prefabricated coils can be manufactured turn by turn, which simplifies their production and that even pitch differences or twists within individual coils do not cause any disturbances.

Ein weiterer Vorteil ist, daß der Schließspalt Gliedersiebe herstellen kann mit verschiedenen Teilungen und durch kleine Verstellungen verschiedene Größen von Wendeln verbinden kann.Another advantage is that the closing gap can produce sectional sieves with different pitches and can connect different sizes of coils by small adjustments.

Beim Einsatz von Verbindungsdrähten ist das Strecken der verketteten Wendeln von Vorteil, da erst dadurch das Einbringen langer Verbindungsdrähte, wie zum Beispiel für Papiermaschinensiebe mit Arbeitsbreiten bis zu 10 Meter, möglich ist.When connecting wires are used, stretching the chained coils is advantageous, since only then is it possible to insert long connecting wires, such as for paper machine screens with working widths of up to 10 meters.

Bei der Ausführung mit stationärem Schließspalt werden Gliedersiebe als Teilabschnitte vorgefertigt, die dann später nach bekanntem System oder nach der Erfindung zu einem Gliedersieb größerer Länge zusammengereiht werden. Der Vorteil dieses Verfahrens liegt in der Einfachheit der Vorrichtung und dem relativ leichten Einführen der Verbindungsdrähte. Auch kann die Vorratshaltung und Fertigung auf Vorrat erleichtert werden.In the version with a stationary closing gap, sectional screens are prefabricated as partial sections, which are then later combined according to the known system or according to the invention to form a sectional screen of greater length. The advantage of this method lies in the simplicity of the device and the relatively easy insertion of the connecting wires. Stockpiling and manufacturing in stock can also be facilitated.

Bei der Ausführung mit traversierendem Schließspalt können die entstehenden Teilabschnitte gleichzeitig mit der jeweilig letzten Wendel des zuvor gefertigten Gliedersiebabschnittes verbunden werden. Durch geeignete Abzugsvorrichtung ist somit eine fortlaufende Herstellung von Gliedersieben möglich.In the version with a traversing closing gap, the resulting sections can be connected at the same time to the last spiral of the previously manufactured sectional screen section. A suitable extraction device enables continuous production of sectional sieves.

Es zeigen die Figuren :

  • Figur 1 ein Ausführungsbeispiel nach der Erfindung für einen Schließspalt mit drei Wendeln als Querschnitt in Draufsicht und Seitenansicht.
  • Figur 2 skizziert ein Ausführungsbeispiel für eine Vorrichtung nach der Erfindung mit einem stationären Schließspalt und mit einem traversierenden Transportkopf.
  • Figur 3 skizziert ein Ausführungsbeispiel nach der Erfindung für eine Vorrichtung mit einem traversierenden Schließspalt und mit einer stationären seitlichen Einführvorrichtung für die Verbindungsdrähte.
  • Figur 4 skizziert ein weiteres Ausführungsbeispiel nach der Erfindung für eine Vorrichtung mit einem stationären Schließspalt und mit einem traversierenden Transportkopf.
The figures show:
  • Figure 1 shows an embodiment of the invention for a closing gap with three coils as a cross section in plan view and side view.
  • Figure 2 outlines an embodiment for a device according to the invention with a stationary closing gap and with a traversing transport head.
  • FIG. 3 outlines an exemplary embodiment according to the invention for a device with a traversing closing gap and with a stationary lateral insertion device for the connecting wires.
  • FIG. 4 outlines a further exemplary embodiment according to the invention for a device with a stationary closing gap and with a traversing transport head.

Nach Fig. 1 werden abwechselnd rechts- und links gedrehte Wendeln 1, 2 durch den Schließspalt 3 gezogen. Vor dem Schließspalt haben diese Wendeln eine Steigung kleiner als der doppelte Drahtdurchmesser. Durch die Verengung des Schließspaltes 3 öffnen sich die Windungen gegenseitig und schieben sich durch Zug und seitlichen Druck zu einem Drahtgliederband 10 ineinander. Im Ausführungsbeispiel sind der besseren Übersicht nur drei Wendeln gezeichnet. Es können aber eine Vielzahl sein.According to FIG. 1, coils 1, 2 turned to the right and left are pulled alternately through the closing gap 3. In front of the closing gap, these coils have a pitch smaller than twice the wire diameter. Due to the narrowing of the closing gap 3, the turns open up to one another and slide into one another by means of tension and lateral pressure to form a wire link belt 10. In the exemplary embodiment, only three coils are drawn for a better overview. But there can be many.

Nach Fig. 2 und 4 bewirken das Durchziehen der Wendeln der Antrieb 4 auf das Drahtgliederband 10. Beim stationären Schließspalt nach Fig. 2 und 4 werden die Wendeln 1, 2 des Drahtgliederbandes 10 gleichzeitig auf die feststehenden Verbindungsdrähte 8 aufgeschoben. Der besseren Übersicht wegen ist in den Zeichnungen nur ein Verbindungsdraht gezeichnet. Der Transportkopf 11 erfaßt mit seinem Greifer 5 das Drahtgliederband 10 und transportiert es mit größerer Geschwindigkeit, als durch Antrieb 4 vermittelt, vom Schließspalt weg. Dadurch wird das Drahtgliederband gestreckt. Durch Abrollen der Walzen 7 auf den Verbindungsdrähten 8 wird erreicht, daß die Verbindungsdrähte nicht die Bewegung des Transportkopfes mitmachen, sondern ihre Position behalten. Der für die Abrollung nötige Antrieb der Walzen 7 wird durch bekannte Mittel z. IB. Zahnstange/Zahnrad erreicht. Die Walzen 7 können mit Hilfe der Zentriereinrichtung 6 für die Verbindungsdrähte auch zum Einführen der Verbindungsdrähte in die Öffnungen 13, 14 der Wendeln benutzt werden.According to FIGS. 2 and 4, pulling the coils of the drive 4 onto the wire link belt 10. In the stationary closing gap according to FIGS. 2 and 4, the coils 1, 2 of the wire link belt 10 are simultaneously pushed onto the fixed connecting wires 8. For the sake of clarity, only one connecting wire is drawn in the drawings. The transport head 11 grips the wire link belt 10 with its gripper 5 and transports it away from the closing gap at a higher speed than mediated by the drive 4. This stretches the wire link belt. By rolling the rollers 7 on the connecting wires 8 it is achieved that the connecting wires do not participate in the movement of the transport head, but keep their position. The necessary for the unwinding of the rollers 7 is by known means such. I B. Rack / gear reached. With the help of the centering device 6 for the connecting wires, the rollers 7 can also be used for inserting the connecting wires into the openings 13, 14 of the coils.

Beim traversierenden Schließspalt nach Fig. 3 ist die Einschiebevorrichtung 12 für die Verbindungsdrähte stationär. Die Klemme 15 erfaßt den Anfang des Drahtgliederbandes 10, welches durch den Schließspalt 3 mittels des Antriebes 4 gezogen und abgelegt wurde. Durch Antrieb 9 werden die verbindungsdrähte 8 über die Zentriereinrichtung 6 in die Öffnungen 13, 14 der Windungen des Drahtgliederbandes 10 eingeführt.In the traversing closing gap according to FIG. 3, the insertion device 12 for the connecting wires is stationary. The terminal 15 detects the beginning of the wire link belt 10, which was pulled through the closing gap 3 by means of the drive 4 and stored. By means of drive 9, the connecting wires 8 are inserted into the openings 13, 14 of the turns of the wire link belt 10 via the centering device 6.

In Fig. 4 arbeitet der stationäre Schließspalt 3 mit Antrieb 4 sowie der Transportkopf 11 auf einer festen Unterlage 17. Die Verbindungsdrähte werden von Vorratsrollen 16 nach jedem Arbeitsgang durch den zurückfahrenden Transportkopf abgezogen. Analog zu dieser Anordnung kann auch der traversierende Schließspalt angeordnet sein.In Fig. 4, the stationary closing gap 3 with drive 4 and the transport head 11 work on a solid base 17. The connecting wires are drawn off from supply rolls 16 after each operation by the returning transport head. Analogously to this arrangement, the traversing closing gap can also be arranged.

Claims (12)

1. Method for manufacturing wire link bands of synthetic or metal material, having helices with virtue of contractive pre-stress, which are arranged alternatively adjacent with right and left wound pitch and pressed together toward each other and wherein their head-bows are connected by connecting means, characterized in that three or more helices (1, 2) are laterally pressed toward each other by commonly pulling them through a narrow closure slot (3, 3a, 3b).
2. Method according to claim 1, characterized in that a corresponding number of connecting wires (8) as connecting means is commonly inserted into the openings (13,14) of the interdigitated turns of the helices after passing through the closure slot (3, 3a, 3b).
3. Method according to claim 2, characterized in that the helices (1, 2) of the wire link band (10) are extended in such a manner during the time, when the connecting wires are inserted, that they have for a short while a pitch greater than twice of the wire diameter.
4. Method according to claim 2 or 3, characterized in that the connecting wires (8) are heat set before they are inserted into the wire link band (10).
5. Method according to one of the claims 1-4, characterized in that one or more closure slots (3) produce wire link bands side by side and that the respective adjacent turns of the helices (1, 2) are caused to interdigitate by suitable guiding means of the wire link bands and that they are connected to a larger wire link band by connecting means.
6. Apparatus for execution of the method according to one of the claims 1-5, characterized in that a closure slot (3) having a narrowing passage way, which is limited by a cover surface (3, 3a), two lateral surfaces (3, 3a) and a bottom surface (3b) whose narrowest cross-section dimension correspond approximately to the cross-section dimension of the wire link band (10) which should be formed and whereby the helices (1, 2) are pulled through the closure slot (3, 3a, 3b) by drive means (4).
7. Apparatus according to claim 6, characterized in that the closure slot (3) is arranged stationary.
8. Apparatus according to claim 6, characterized in that the closure slot (3) is arranged movable traversingly.
9. Apparatus according to one of the claims 6-8, characterized in that a movable traversing transport head (11) for transporting the wire link band (10) and simultaneously inserting of the connecting wires (8) into the openings (13, 14) of the interdigitating turns of the helices essentially comprising of the following aggregates : a gripper (5) with clamp (15) for gripping and transporting of the wire link band (10), a centering- and guiding device (6) for guiding the connecting wires (8) into the openings (13, 14), a pressure roller (7), or more pressure rollers, or belt pressure rollers, rolling along the connecting wires (8), which hold the connecting wires in position and a drive device for transporting the transport head.
10. Apparatus according to one of the claims 6-8, characterized in that a stationary insertion device (12) for insertion of the connecting wires (8) into the openings (13, 14) is arranged om one or both edges of the wire link band (10) and essentially comprising of the following aggregates : a clamping device (5) with clamp (15) for holding the helices (1, 2) in position on the insertion side of the connecting wires, a centering - and guiding device (6) for guiding the connecting wires (8) into the openings (13, 14), a belt - or pressure driving rollers (9) for driving forward the connecting wires (8).
11. Apparatus according to one of the claims 6-10, characterized in that several closure slots (3) and drive means (4), or several closure slots with common drive means, or groups of drive means are arranged side by side.
12. Apparatus according to one of the claims 6-11, characterized in that one or more stationary closure slots are arranged side by side with one or more traversing movable closure slots.
EP81103306A 1980-05-07 1981-05-02 Process for making link belts and apparatus for carrying it into effect Expired EP0039850B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT83112252T ATE29908T1 (en) 1980-05-07 1981-05-02 PROCESS FOR MANUFACTURING WIRE LINK TAPE.
AT81103306T ATE7314T1 (en) 1980-05-07 1981-05-02 METHOD AND APPARATUS FOR CARRYING OUT THEREOF FOR PRODUCTION OF WIRE LINK STRIPS.
DE8383112252T DE3176466D1 (en) 1980-05-07 1981-05-02 Process for making link belts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3017378 1980-05-07
DE3017378A DE3017378C2 (en) 1980-05-07 1980-05-07 Method and device for the production of wire link belts representing flat structures from metal wire or plastic wire coils

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP83112252.8 Division-Into 1983-12-06

Publications (3)

Publication Number Publication Date
EP0039850A1 EP0039850A1 (en) 1981-11-18
EP0039850B1 true EP0039850B1 (en) 1984-05-02
EP0039850B2 EP0039850B2 (en) 1989-02-15

Family

ID=6101777

Family Applications (2)

Application Number Title Priority Date Filing Date
EP83112252A Expired EP0117304B1 (en) 1980-05-07 1981-05-02 Process for making link belts
EP81103306A Expired EP0039850B2 (en) 1980-05-07 1981-05-02 Process for making link belts and apparatus for carrying it into effect

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP83112252A Expired EP0117304B1 (en) 1980-05-07 1981-05-02 Process for making link belts

Country Status (5)

Country Link
US (1) US4535824A (en)
EP (2) EP0117304B1 (en)
JP (1) JPS6033572B2 (en)
DE (3) DE3017378C2 (en)
ES (1) ES8202704A1 (en)

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ZA814393B (en) * 1980-07-12 1982-07-28 Haaksbergen T T Bv Method of and apparatus for arranging helical coils in interdigitated side-by-side disposition
DE3108522C2 (en) * 1981-03-06 1983-02-24 Jürgens Maschinenbau GmbH & Co KG, 4407 Emsdetten Method and device for the production of a wire spiral link belt from prefabricated wire spirals
DE3228033A1 (en) * 1982-07-27 1984-02-02 Siteg Siebtechnik GmbH, 4422 Ahaus LARGE LENGTH SPIRAL FOR PRODUCING A SPIRAL BAND AND METHOD AND DEVICE FOR INPUTING FILLING MATERIAL IN THESE SPIRALS
GB8302118D0 (en) * 1983-01-26 1983-03-02 Scapa Porritt Ltd Link belts
US4539730A (en) * 1983-08-22 1985-09-10 Albany International Corp. Seaming means and a tool for forming the seam
IT1183354B (en) * 1985-02-15 1987-10-22 Pirelli Cavi Spa PROCEDURE FOR FORMING FLEXIBLE TUBULAR BODIES AND DEVICE FOR IMPLEMENTING THE PROCEDURE
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FI854323A0 (en) * 1985-09-04 1985-11-04 Filztuchverwaltungs Gmbh FOERFARANDE OCH ANORDNING FOER FRAMSTAELLNING AV ETT TRAODLAENKBAND.
DE3545805A1 (en) * 1985-12-23 1987-06-25 Wangner Gmbh Co Kg Hermann METHOD AND DEVICE FOR PRODUCING A FLAT SPIRAL LINKED COMPOSITION
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IT1318095B1 (en) * 2000-06-30 2003-07-23 Feltri Marone S P A MACHINE FOR THE MANUFACTURE OF CORRUGATED CARDBOARD.
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Also Published As

Publication number Publication date
EP0039850A1 (en) 1981-11-18
EP0039850B2 (en) 1989-02-15
DE3017378A1 (en) 1981-11-12
EP0117304A1 (en) 1984-09-05
DE3163360D1 (en) 1984-06-07
DE3176466D1 (en) 1987-10-29
EP0117304B1 (en) 1987-09-23
ES501915A0 (en) 1982-02-01
ES8202704A1 (en) 1982-02-01
JPS6033572B2 (en) 1985-08-03
JPS571535A (en) 1982-01-06
DE3017378C2 (en) 1983-11-17
US4535824A (en) 1985-08-20

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