DE896101C - Line-shaped, in particular roller or tape-shaped electrode for welding, in particular dielectric welding, of thermoplastic materials - Google Patents
Line-shaped, in particular roller or tape-shaped electrode for welding, in particular dielectric welding, of thermoplastic materialsInfo
- Publication number
- DE896101C DE896101C DES23452A DES0023452A DE896101C DE 896101 C DE896101 C DE 896101C DE S23452 A DES23452 A DE S23452A DE S0023452 A DES0023452 A DE S0023452A DE 896101 C DE896101 C DE 896101C
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- welding
- auxiliary body
- electrode according
- auxiliary
- 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
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
- B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/735—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the extensive physical properties of the parts to be joined
- B29C66/7352—Thickness, e.g. very thin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81461—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being multi-lamellar or segmented, i.e. comprising a plurality of strips, plates or stacked elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
- B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
- B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
- B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
- B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
- B29C66/83411—Roller, cylinder or drum types
- B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
- B29C66/83411—Roller, cylinder or drum types
- B29C66/83417—Roller, cylinder or drum types said rollers, cylinders or drums being hollow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
Linienförmige, insbesondere rollen- oder bandförmige Elektrode zum Verschweißen, insbesondere dielektrischen Verschweißen von thermoplastischen Stoffen Die Erfindung bezieht sich auf das Verschweißen, insbesondere auf das dielektrische Verschweißen von thermoplastischen Stoffen. Sie betrifft die Ausbildung hierbei verwendeter linienförmiger, insbesondere rollen- oder bandförmiger Schwetißelektroden und besteht darin, daß an den die Schweißung bewirkenden, auf das zu verschweißende Gut aufzusetzenden Elektrodenteil beiderseits Hilfskörper angrenzen, die sich auf die ganze Länge der Schweißelektrode erstrecken, mit dem schveißwirksamen Elektrodenteil eine bauliche Einheit bilden und so bemessen sind, daß. sie beim Schweißen zusammen mit der Elektrode an dem Gut flächenfirmig anliegen.Linear, in particular roller or band-shaped electrode for Welding, in particular dielectric welding, of thermoplastic materials the The invention relates to welding, in particular to dielectric Welding of thermoplastic materials. It concerns the training here Line-shaped, in particular roller-shaped or band-shaped welding electrodes used and consists in the fact that the weld is effected on the one to be welded The electrode part that is to be placed on both sides is adjacent to auxiliary bodies that are located on extend the entire length of the welding electrode, with the welding-effective electrode part form a structural unit and are dimensioned so that. them while welding together with the electrode in full contact with the material.
Die Vorteile, die sich durch die Verwendung der neuen Elektroden ergeben, bestehen zunächst darin, daß sich mit ihnen saubere und einwandfreie Schweißnähte herstellen lassen. Die an den schweißwirksamen Teil der Elektrode angrenzenden Hilfskörper bewirken, daß die Schweißlstelle, die bei dem Schweißvorgang plastisch wird, sicher im Verband des nicht erwärmten Schweißgutes festgehalten wird, so daß auf die erwärmte Schweißstelle keine Kräfte von außen einwirken können, die zu Verzerrungen oder Verbeulungen des Gutes führen können. Da die neuen Elektroden nicht ausschließlich an der erwärmten und plastisch werdenden Schweißstelle angreifen, kann beim Schweißen mit bewegten Elektroden, also beim Nahtschweißen mit rollen- oder bandförmigen Elektroden, der Vorschub gleich durch die Elektroden bzw. deren Hilfskörper bewirkt werden; besondere Vorschub- und Führungsmittel für das Schweißgut können daher entbehrt werden. The advantages of using the new electrodes arise, consist in the fact that with them clean and perfect welds can be produced. The auxiliary bodies adjoining the welding part of the electrode cause the weld, which becomes plastic during the welding process, to be secure is held in the association of the unheated weld metal, so that on the heated Welding point no external forces can act that lead to distortions or Can cause dents in the property. As the new electrodes are not exclusive attack at the heated and becoming plastic welding point during welding with moving electrodes, i.e. when welding seams with roller or band-shaped electrodes, the advance can be brought about by the electrodes or their auxiliary bodies; special feed and guide means for the weld metal therefore be dispensed with.
Ein besonderer Vorteil der neuen Elektroden ergibt sich bei der dielektrischen Nahtverschwelißung dünner Kunststoffolien. Diese waren bisher nur schwierig zu verschweißen, und es konnte leicht geschehen, Idaß sich die Elektroden durch die beim Schweißen plastischen Folien durchdrücken. Es gab dann keine Schweißnaht, sondern Löcher und Fehlstellen. Außerdem traten Überschläge und Kurz schlüsse zwischen den Elektroden auf. Bei den Elektroden nach der Erfindung ist ein Durchdrücken durch das Schweißgut vermieden, da sich stets nicht erwärmte Teile des Gutes mit zwischen den Elektroden befinden, die also nicht weich werden und so einen großen, gegen Druck unempfindlichen Widerstand bilden. One particular advantage of the new electrodes is the dielectric one Seam welding of thin plastic films. These were previously difficult to weld, and it could easily happen that the electrodes get through while welding push through plastic foils. There was then no weld, but holes and Imperfections. In addition, flashovers and short circuits occurred between the electrodes on. In the case of the electrodes according to the invention, there is a pressing through of the weld metal avoided, as parts of the goods that are not heated are always between the electrodes that do not become soft and so a large one that is insensitive to pressure Form resistance.
Ein weiterer Vorteil, der sich hieraus bei der Herstellung von Schweißverbindungen, insbesondere bei sehr dünnem Gut, ergibt, liegt in der Anwendbarkeit größerer Drücke als bisher. Dies hat zur Folge, daß Zwischenräume zwischen den zu verschweißenden Gutteilen sowie zwischen diesen und den schweißwirksamen Elektrodenteilen besser vermieden werden; denn auch durch solche schweißgutfreien Zwischenräume können Uberschläge zwischen den Elektroden beim dielektrischen Verschweißen auftreten. Another advantage that results from this in the production of welded joints, especially with very thin material, it is found that higher pressures can be used as before. This has the consequence that gaps between the to be welded Good parts as well as between these and the welding electrode parts are better be avoided; because gaps that are free of weld metal can also cause flashovers occur between the electrodes during dielectric welding.
Die Erfindung ist mit weiteren Vorteilen in der Zeichnung in mehreren Ausführungsbeispielen dargestellt. Es zeigt Fig. I eine Rollenelektrode in Aufsicht auf die Schweißfläche, Fig. 2 eine Aufsicht auf eine ebene Elektrode, Fig. 3 zwei andere Rollenelektroden in Arbeitsstellung in Ansicht und im Schnitt, Fig. 4 die profilierte Oberfläche einer Elektrode, Fig. 5 den Teil einer Elektrode vergrößert im Schnitt und Fig. 6 eine ähnliche Rollenelektrode im Schnitt, jedoch mit Innenkühlung. The invention is shown in the drawing in several ways with further advantages Embodiments shown. It shows Fig. I a roller electrode in plan of the welding surface, FIG. 2 shows a plan view of a flat electrode, FIG. 3 shows two other roller electrodes in the working position in view and in section, FIG. 4 the profiled surface of an electrode, Fig. 5 enlarged the part of an electrode in section and FIG. 6 shows a similar roller electrode in section, but with internal cooling.
In Fig. I ist eine Rollenelektrode für dielektrisches Schweißen gezeigt, die vorteilhaft elastisch sein kann. Sie besteht aus einem Isolierstoffkörper I, auf dessen Rollfläche 2 ein schmaler metallischer Belag 3 stoffschlüssig, z. B. durch Aufspritzen oder Aufdampfen im Vakuum, aufgebracht ist. Dieser Belag 3 bildet den schweißwirksamen Teil der Elektrode. Die über den Belag 3 hinausragenden Teile des Isolierstoffkörperis I stellen die Hilfskörper nach der Erfindung dar. Hilfskörper und Belag bilden also einen einzigen Bauteil. Die Welle der Rollenelektrode ist mit 4 bezeichnet. In Fig. I a roller electrode for dielectric welding is shown, which can advantageously be elastic. It consists of an insulating body I, on the rolling surface 2 a narrow metallic covering 3 cohesively, z. B. is applied by spraying or vapor deposition in a vacuum. This covering 3 forms the welding part of the electrode. The parts protruding beyond the covering 3 of Isolierstoffkörperis I represent the auxiliary body according to the invention. Auxiliary body and covering thus form a single component. The shaft of the roller electrode is denoted by 4.
In Fig. 2 ist die Elektrode hinsichtlich ihrer Oberfläche ähnlich wie in Fig. I ausgebildet. Es handelt sich hier jedoch um eine Elektrode mit ebener Oberfläche. Beiderseits des schweißwirksamen Elektrodenteils 5 sind die mit diesem in einer Ebene liegenden und sich auf dessen ganze Länge erstreckenden Hilfskörper 6 und 7 angebracht. In Fig. 2 the electrode is similar in terms of its surface designed as in FIG. However, this is an electrode with a flat surface Surface. On both sides of the welding electrode part 5 are those with this lying in one plane and extending over its entire length auxiliary body 6 and 7 attached.
Um zu verhindern, daß die Hilfskörper der neuen Elektrode sich beim Schweißen durch Wärmeleitung miterwärmen, können erfindungsgemaß zwischen Hilfskörper und schweißwirksamlen Teil der Elektrode Spalte, z. B. in Form von Fugen oder Kerben, angebracht sein. To prevent the auxiliary body of the new electrode from becoming Heat welding by conduction, can according to the invention between auxiliary bodies and weldable part of the electrode column, e.g. B. in the form of joints or notches, to be appropriate.
In Fig. 3 sind derartig ausgebildete Elektroden in Ansicht und im Schnitt zu sehen. Die Figur zeigt zwei gleich ausgebildete Rollenelektroden 8 und 9 in Arbeitsstellung. Die Pfeile 10 geben die Drehrichtung an. Der Vorschub des Schweißgutes, das aus zwei zu verschweißenden dünnen Folien II und 12 besteht, erfolgt also senkrecht zur Zeichnungsebene. In Fig. 3 such formed electrodes are in view and in Cut to see. The figure shows two identically designed roller electrodes 8 and 9 in working position. The arrows 10 indicate the direction of rotation. The advance of the Welding material, which consists of two thin foils II and 12 to be welded, takes place i.e. perpendicular to the plane of the drawing.
Die Elektroden 8 und 9 bestehen jeweils aus einer metallischen Mittelscheibe I3 und zwei beiderseitig angrenzenden, ebenfalls scheibenförmigen Hilfskörpern 14 und I5, die zusammen mit den Hülsen I6 und den Vorlegscheiben I7 auf der Welle IS angebracht sind. Die Hilfskörper sind so ausgebildet, daß zwischen ihnen und der Mittelscheibe I3. Spalte 19 bleiben, die eine Wärmeisolierung des schweißwirksamen Mittelteils I3 bewirken.The electrodes 8 and 9 each consist of a metallic central disk I3 and two adjacent, likewise disk-shaped auxiliary bodies 14 on both sides and I5, which together with the sleeves I6 and the washers I7 on the shaft IS are attached. The auxiliary bodies are designed so that between them and the Middle disk I3. Column 19 remain, which is a thermal insulation of the weldable Cause middle part I3.
Erfolgt beim Schweißen der Vorschub der Folien II und 12 mit Hilfe der Wellen Is durch die Elektroden 8 und g selbst, so kann es vorteilhaft sein, die Oberfläche der Hilfskörper griffig auszubilden, so daß das Schweißgut sicher erfaßt und mitte nommen wird. Die Griffigkeit der Elektroden kann beispielsweise dadurch erreicht werden, daß sie aufgerauht oder mit einem Profil versehen werden. Ein Beispiel für eine profilierte Oberfläche einer Schweißelektrode zeigt Fig. 4. Die vorstehenden Teile 21 des Profils können dabei in einer Ebene mit dem schweiß wi rks amen Elektrodenmiftelteil 22 liegen, was besonders für das Verschweißen sehr dünner Folien vorteilhaft ist. Sie können aber gegenüber dem Mittelteil auch versetzt, z. B. zurückgesetzt sein. Als ein Beispiel hierfür ist in Fig. 5 eine Schweißelektrode dargestellt, bei der der schweißwirksame Teil 23 den aus Isolierstoff bestehenden Hilfskörper um ein geringes Miaß, den Abstand a, überragt. Der Teil 23 kann bei einer Rollenelel<-trode ein durch Aufschrumpfen aufgebrachter Ring sein. a ist ein Maß der gewünschten Eindringtiefe der Elektrode, so daß die Hilfskörper als Abstandhalter wirken. When welding, the advance of the foils II and 12 takes place with the aid of the waves Is through the electrodes 8 and g themselves, it can be advantageous to design the surface of the auxiliary body with good grip, so that the weld metal is secure is captured and taken in the middle. The grip of the electrodes can, for example can be achieved in that they are roughened or provided with a profile. An example of a profiled surface of a welding electrode is shown in FIG. 4. The protruding parts 21 of the profile can be in a plane with the weld wi rks amen electrode center part 22 are, which is especially great for welding thin foils is advantageous. But they can also be offset from the middle section, z. B. be reset. As an example of this, FIG. 5 shows a welding electrode shown, in which the welding part 23 consists of insulating material Auxiliary body protrudes by a small amount, the distance a. Part 23 can be at a roller electrode can be a shrink-fitted ring. a is a measure of the desired depth of penetration of the electrode, so that the auxiliary body as Spacers act.
Ein weiteres Mittel, die Schweißwärme von den nicht zu verschweißenden Gutteilen zwischen zwei Schweißelektroden fernzuhalten, ist eine künstliche Kühlung. Fig. 6 zeigt einen hohlen Elektrodenhilfskörper 25, z. B. aus keramischem Werksto'ff, der zur Aufnahme eines strömenden Kühlmittels vorgesehen ist. Beiderseits der wirksamen Schweißfläche 26 sind zudem Einkerbungen 27 vorgesehen. Another means of removing the heat of welding from the non-welded ones Keeping good parts away between two welding electrodes is artificial cooling. Fig. 6 shows a hollow auxiliary electrode body 25, e.g. B. made of ceramic material, which is provided for receiving a flowing coolant. Both sides of the effective Notches 27 are also provided for welding surface 26.
Es ist auf diese Weise weitgehend Gewähr gegeben, daß an die Anliegeflächen 28 der Elektroden keine schädliche Wärme gelangt.In this way, it is largely guaranteed that the contact surfaces No harmful heat reaches the electrodes.
Es ist ferner noch möglich, die Anliegefläche mit einer schlecht wärmeleitenden Schicht zu aber ziehen, z. B. aus Asbest oder einem asbesthaltigen Kunststoff. Gegebenenfalls können auch die Hilfskörper selbst aus einem solchen Stoff bestehen. It is also possible to have the contact surface with a bad but pull the thermally conductive layer, z. B. from asbestos or an asbestos-containing Plastic. If necessary, the auxiliary bodies themselves can also consist of such a Consist of substance.
Soll die Elektrode nach der Erfindung statt zum dielektris chen Schweißen zum Schweißen mittels erwärmter, also als Heizkörper wirkender Elektroden angewendet werden, so ergeben sich für das Schweißen die gleichen günstigen Wirkungen. Bei der Ausbildung der Elektrode ist diese dann lediglich in an sich bekannter Weise mit einem Heiz mittel zu versehen. Am einfachsten ist hierfür die Verwendung eines elektrischen Heizmittels. Beispielsweise kann im Innern der Elektrode eine Heizwicklung eingebaut werden, es kann aber auch der schweißwirksame Teil der Elektrode selbst als elektrischer Widerstandsheizkörper dienen. In letzterem Fall können beispielsweise die Hilfskörper aus einem zweckmäß ig schlecht wärmeleitenden einzigen Körper bestehen, um den ein Metallband aus elektrischem Widerstandsstoff geschlungen ist und als Heizkörper bzw. als Schweißelektrode dient. Should the electrode according to the invention instead of dielectric welding used for welding by means of heated electrodes that act as heating elements will result for that Welding the same cheap Effects. In the formation of the electrode, this is then only inherent known manner to be provided with a heating medium. The easiest way to do this is Use of an electric heating means. For example, inside the electrode a heating coil can be installed, but the welding part of the Electrode itself serve as an electrical resistance heater. In the latter case For example, the auxiliary body can be made of an expediently poorly thermally conductive a single body, around which a metal band made of electrically resistive material is looped and serves as a heating element or welding electrode.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES23452A DE896101C (en) | 1951-06-10 | 1951-06-10 | Line-shaped, in particular roller or tape-shaped electrode for welding, in particular dielectric welding, of thermoplastic materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES23452A DE896101C (en) | 1951-06-10 | 1951-06-10 | Line-shaped, in particular roller or tape-shaped electrode for welding, in particular dielectric welding, of thermoplastic materials |
Publications (1)
Publication Number | Publication Date |
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DE896101C true DE896101C (en) | 1953-11-09 |
Family
ID=7477384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DES23452A Expired DE896101C (en) | 1951-06-10 | 1951-06-10 | Line-shaped, in particular roller or tape-shaped electrode for welding, in particular dielectric welding, of thermoplastic materials |
Country Status (1)
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DE (1) | DE896101C (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1114630B (en) * | 1958-05-17 | 1961-10-05 | Herfurth Gmbh | Method and device for welding thermoplastic plastics or materials coated therewith |
DE1157765B (en) * | 1959-09-24 | 1963-11-21 | Darex A G | Sealing roll with electrical heating wires for sealing thermoplastic plastic films |
DE1262565B (en) * | 1962-04-13 | 1968-03-07 | Du Pont | Device for the continuous heat sealing of thermoplastic films lying on top of one another using pressure and heat |
DE1479821B1 (en) * | 1960-09-15 | 1970-10-22 | Wilhelm Will Fa | Device for welding and separating plastic films lying on top of one another |
DE1303455B (en) * | 1963-03-12 | 1971-12-09 | Pirelli Plast S P A | Weld seam on sheet-like structures made of thermoplastic material |
WO2018036574A3 (en) * | 2016-08-26 | 2018-04-19 | Kiefel Gmbh | Device for filling a bag, bag contour sealing tool, sealing tool, method for filling a bag, method for producing a bag, system and bag |
DE102018113999A1 (en) * | 2018-06-12 | 2019-12-12 | ConsultEngineerIP AG | Roller electrode assembly, apparatus comprising a roller electrode assembly and method for acting on two plastic sections with a hochfreuqenten alternating electric field |
-
1951
- 1951-06-10 DE DES23452A patent/DE896101C/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1114630B (en) * | 1958-05-17 | 1961-10-05 | Herfurth Gmbh | Method and device for welding thermoplastic plastics or materials coated therewith |
DE1157765B (en) * | 1959-09-24 | 1963-11-21 | Darex A G | Sealing roll with electrical heating wires for sealing thermoplastic plastic films |
DE1479821B1 (en) * | 1960-09-15 | 1970-10-22 | Wilhelm Will Fa | Device for welding and separating plastic films lying on top of one another |
DE1262565B (en) * | 1962-04-13 | 1968-03-07 | Du Pont | Device for the continuous heat sealing of thermoplastic films lying on top of one another using pressure and heat |
DE1303455B (en) * | 1963-03-12 | 1971-12-09 | Pirelli Plast S P A | Weld seam on sheet-like structures made of thermoplastic material |
WO2018036574A3 (en) * | 2016-08-26 | 2018-04-19 | Kiefel Gmbh | Device for filling a bag, bag contour sealing tool, sealing tool, method for filling a bag, method for producing a bag, system and bag |
EP3785886A1 (en) * | 2016-08-26 | 2021-03-03 | KIEFEL GmbH | Welding tool, bag, installation for making and filling a bag and method for filling a bag |
DE102018113999A1 (en) * | 2018-06-12 | 2019-12-12 | ConsultEngineerIP AG | Roller electrode assembly, apparatus comprising a roller electrode assembly and method for acting on two plastic sections with a hochfreuqenten alternating electric field |
DE102018113999B4 (en) * | 2018-06-12 | 2020-11-05 | ConsultEngineerIP AG | Roller electrode arrangement, device comprising a roller electrode arrangement and method for applying a high-frequency alternating electrical field to two plastic sections |
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