FR2886573A1 - Butt welding electrode for high frequency welding machine, has metallic wire winding helically wound on core, and coiling fillets, in rectilinear support on material to be welded, independently engaged when pressure is excreted on core - Google Patents

Butt welding electrode for high frequency welding machine, has metallic wire winding helically wound on core, and coiling fillets, in rectilinear support on material to be welded, independently engaged when pressure is excreted on core Download PDF

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Publication number
FR2886573A1
FR2886573A1 FR0505660A FR0505660A FR2886573A1 FR 2886573 A1 FR2886573 A1 FR 2886573A1 FR 0505660 A FR0505660 A FR 0505660A FR 0505660 A FR0505660 A FR 0505660A FR 2886573 A1 FR2886573 A1 FR 2886573A1
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France
Prior art keywords
high frequency
welding
wire
core
welded
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FR0505660A
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French (fr)
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Patrick Aubert
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Individual
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Individual
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Classifications

    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—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 mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • B29C66/81611—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 mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material by resilient material
    • 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
    • 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
    • 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
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • 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
    • 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
    • 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
    • B29C66/81453—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 made of flexible slats, flexible fins, flexible bristles or springs, e.g. coiled springs
    • 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
    • B29C66/81455—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 a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
    • 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
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • B29C66/82421—Pneumatic or hydraulic drives using an inflatable element positioned between the joining tool and a backing-up part
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • B29C66/832—Reciprocating joining or pressing tools

Abstract

The electrode has a solenoidal metallic wire winding (3) helically wound on a core (2) and screwed at its ends by two screws to two covers. The covers are fixed at a case by four screws and are longitudinally maintained by two extruded strings (5), where the strings are embedded on the length of the case. Each coiling fillet is in rectilinear support on a material (7) to be welded by high frequency and is independently engaged when a pressure is excreted on the core.

Description

La présente invention concerne une électrode à spirale de soudage à platThe present invention relates to a spiral electrode for flat welding

pour machine à souder haute fréquence comportant un boîtier fixé sur le porte outil de la machine, une répartition des charges et de la hau-  for a high frequency welding machine having a housing fixed to the tool holder of the machine, a distribution of the loads and the

teur de surface de l'enroulement,en pression antagoniste à la table de travail, nivelant et écrasant uniformément, de long en large la surface des matériaux à souder par 1' intermédiaire d' un fil métallique solénoïdal, enroulé en hélice sur un noyau, recouvert à sa base d'une bande de caoutchouc, transmettant un appui réparti et conducteur électrique, sur la surface porteuse des matériaux à souder.  surface-mounted winder, in counter-pressure to the work table, leveling and crushing uniformly, up and down the surface of the materials to be welded by means of a solenoidal wire wound helically on a core, covered at its base with a rubber band, transmitting a distributed support and electrical conductor, on the bearing surface of the materials to be welded.

Les machines à souder haute fréquence, conçues pour effectuer des opérations de soudage avec des maté- riaux en PVC, avec ou sans armature textile, ainsi que des matériaux à base de polyuréthanne sont réalisés avec des électrodes, d'une largeur et d'une longueur bien déterminées, en forme de règle plate et métallique, généralement en laiton, montées sur le porte-outil, en pression par une presse sur la matière à souder, conducteur de haute fréquence entre la base de la règle et celle de la table, traversant la matière à souder, faisant rôle d'anode et de cathode. Il est à remarquer que dès qu' il y a une surépaisseur de matière à souder, les abords de ce surplus ne sont pas soudés car ne faisant pas contact avec la matière et qu' il faut y repasser soit avec les extrémités de 1' électrode soit à 1' aide d' une cale métallique.  High-frequency welding machines, designed to perform welding operations with PVC materials, with or without textile reinforcement, as well as polyurethane-based materials are made with electrodes, of a width and a defined length, in the form of a flat and metallic ruler, generally made of brass, mounted on the tool holder, under pressure by a press on the material to be welded, high frequency conductor between the base of the ruler and that of the table, passing through the material to be welded, acting as anode and cathode. It should be noted that as soon as there is a thickness of the material to be welded, the surroundings of this surplus are not welded because they do not make contact with the material and must be ironed either with the ends of the electrode either with a metal shim.

Des électrodes à lamelles sont conçues pour remédier à ce problème de hauteur et y parviennent aisément grâce aux facettes en contact avec la matière à souder et épousent parfaitement les différences de hauteur, ce qui facilite le passage de la haute fréquence.  Lamella electrodes are designed to overcome this problem of height and are easily achieved through the facets in contact with the material to be welded and perfectly match the differences in height, which facilitates the passage of the high frequency.

Les électrodes de ce type sont de construction 35 lourde et de fabrication onéreuse.  Electrodes of this type are of heavy construction and expensive to manufacture.

L'invention a pour but d' équilibrer la différence de hauteur des matériaux à souder et de répartir, dans un aplanissement linéaire multicontacts sur sa surface porteuse, en écrasant uniformément, le long de la matière à souder, afin de 1' assembler par soudure haute fréquence.  The object of the invention is to balance the difference in height of the materials to be welded and to distribute, in a multicontact linear planarization on its bearing surface, by uniformly crushing, along the material to be welded, in order to assemble it by welding high frequency.

Ce problème est résolu conformément à l'invention en ce que la spirale métallique s' applique à plat sur le plateau de la table et épouse la matière à souder par 1' intermédiaire d' un enroulement à fil métallique solénoïdal, enroulé en hélice autour d' un noyau, recou- vert à sa base d'une bande de caoutchouc, encastrée dans un boîtier, maintenu longitudinalement par deux joncs en caoutchouc logés dans les logements longitudinaux, se fixant sur le porte-outil de la machine, et qui mise en pression, ses spires égalisent la différence de hauteur et répartissent les charges sur la surface de la matière à souder,par un contact homogène et uniforme.  This problem is solved according to the invention in that the metal spiral is applied flat on the table top and matches the material to be welded by means of a solenoidal wire winding wound helically around the wire. a core, covered at its base with a rubber band, embedded in a housing, held longitudinally by two rubber rods housed in the longitudinal housings, fixing on the tool holder of the machine, and which pressure, its turns equalize the difference in height and distribute the charges on the surface of the material to be welded, by a uniform and uniform contact.

Selon d' autres particularités de 1' invention: - Le boîtier peut être fabriqué à partir d' un profil U standard en aluminium et possédant deux évide- ments sur la longueur intérieure pour permettre un logement aux joncs, afin de maintenir la spirale.  According to other features of the invention: - The housing can be made from a standard aluminum U profile and having two recesses on the inner length to allow housing to the rods, to maintain the spiral.

- Le boîtier peut être usiné dans son ensemble et comporter des taraudages à ses extrémités pour la fixation des couvercles.  - The housing can be machined as a whole and include threads at its ends for fixing lids.

-Le noyau peut être de fabrication industrielle en matériau léger, fibre de verre, aluminium ou autre, possédant des taraudages aux extrémités pour permettre sa fixation sur les couvercles.  The core may be of industrial manufacture in light material, fiberglass, aluminum or other, having threads at the ends to allow its attachment to the covers.

- Le noyau peut être fabriqué par un tube, d' un 30 matériau quelconque, bouchonné aux deux extrémités afin de le fixer aux couvercles.  The core may be made by a tube, of any material, capped at both ends to attach to the covers.

-Le fil métallique peut être de section carré, rectangulaire, ronde ou autre, raboté sur sa surface porteuse.  The wire may be of square, rectangular, round or other section, planed on its bearing surface.

-Le fil métallique peut être constitué d'un al-liage possédant des propriétés élastique, rigide et bon conducteur électrique ou d' une résistance électrique.  The wire may consist of an al-bond having elastic properties, rigid and good electrical conductor or an electrical resistance.

-Le fil métallique peut être façonné sur les côtés, pour permettre un effet élastique au moment de sa compression, et d'une arrête dorsale, pouvant être soudée sur toute sa longueur, afin de maintenir 1' ensemble des spirales du bobinage.  The wire may be shaped on the sides, to allow an elastic effect at the time of its compression, and a backbone, which can be welded over its entire length, in order to maintain all the spirals of the coil.

- Le fil métallique peut être plié, à sa base, de façon à varier la largeur de 1' empreinte de soudure.  The wire may be folded at its base so as to vary the width of the weld footprint.

- La bande de caoutchouc peut être de qualité standard taillée aux dimensions exactes et assez souple pour pouvoir répartir unformément, sous pression, les contraintes de 1' écrasement du bobinage.  The rubber band may be of standard quality cut to exact dimensions and flexible enough to be able to distribute the pressure of the crimping of the winding under pressure.

- La bande de caoutchouc peut être creuse, en forme de tuyau, et être remplie d' un liquide ou d' un gaz, pouvant ainsi mieux répendre sur sa longueur, les char- ges de la pression des filets du bobinage, du fil métallique (3) et être régulé par un régulateur de pression.  - The rubber band may be hollow, in the form of a pipe, and be filled with a liquid or a gas, thus being able to better spread over its length, the loads of the pressure of the threads of the winding, the wire (3) and be regulated by a pressure regulator.

Selon une autre particularité de 1' invention: - Les joncs peuvent être de qualité standard, rond et en caoutchouc, de densité dure.  According to another feature of the invention: - The rods can be of standard quality, round and rubber, hard density.

-Les couvercles d'extrémités peuvent être fabriqués en tôle, découpés aux dimensions exactes et possédant des trous pour permettre sa fixation au boîtier et de maintenir le noyau.  -The end caps can be made of sheet metal, cut to exact dimensions and having holes to allow its attachment to the housing and maintain the core.

D'autres caractéristiques et avantages de l'inven- tion seront mis en évidence dans la suite de la description, donnée à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels: La figure 1 représente une vue de face de 1' en-semble du dispositif selon 1' invention.  Other characteristics and advantages of the invention will be demonstrated in the remainder of the description, given by way of nonlimiting example, with reference to the appended drawings in which: FIG. 1 represents a front view of 1 of the device according to the invention.

La figure 2 représente en coupe longitudinalement, le dispositif selon 1' invention.  Figure 2 shows a longitudinal section, the device according to the invention.

La figure 3, la figure 4, la figure 5, la figure 6, la figure 7 et la figure 8 sont des vues de chaque pièce qui se rapportent aux figures 1 et 2.  FIG. 3, FIG. 4, FIG. 5, FIG. 6, FIG. 7 and FIG. 8 are views of each piece which relate to FIGS. 1 and 2.

Sur la figure 1, un noyau (2) recouvert à sa base par une bande de caoutchouc (4) , encastré dans un boîtier (1) se fixant sur le porteoutil de la machine haute fréquence et fixé à chaque extrémités par deux vis sur les couvercles (6) vissés sur le boîtier par quatre vis, et surmonté d' un enroulement à fil métallique (3) solénoïdal maintenu sur sa longueur par deux joncs (5), faisant blocage de 1' ensemble. Une mise en pression du porte-outil de la machine sur le boîtier (1) presse le noyau (2), recouvert d' une bande de caoutchouc (4), et transmet sur chaqu' un des filets du bobinage, du fil métallique (3), un appui rectiligne sur les différentes hauteurs de la matière (7) et 1' épouse indépendament afin d' établir un contact plat, rigide et conducteur électrique sur la longueur à souder par haute fréquence.  In Figure 1, a core (2) covered at its base by a rubber band (4), embedded in a housing (1) attaching to the tool holder of the high frequency machine and fixed at each end by two screws on the covers (6) screwed on the housing by four screws, and surmounted by a solenoidal wire winding (3) held along its length by two rods (5), blocking the assembly. Pressurizing the tool holder of the machine on the housing (1) presses the core (2), covered with a rubber band (4), and transmits on each of the threads of the winding wire ( 3), a rectilinear support on the different heights of the material (7) and the wife independently to establish a flat contact, rigid and electrically conductive over the length to be welded by high frequency.

La figure 2 représente la position du fil métallique (3), enroulé autour du noyau (2), recouvert à sa base par une bande de caoutchouc (4), faisant rôle de répartiteur des charges, qui mise pression, les spires épousent et égalisent la différence de hauteur sur la surface de la matière à souder (7) par un contact d' une largeur bien déterminée, par la forme de sa base.  FIG. 2 shows the position of the wire (3), wound around the core (2), covered at its base by a rubber band (4), acting as a load distributor, which presses, the turns take and equalize the difference in height on the surface of the material to be welded (7) by a contact of a certain width, by the shape of its base.

La figure 3 représente le boîtier (1), en forme d' étrier, se fixant sur le porte-outil de la machine haute fréquence, usiné sur sa longueur de deux gorges pour reçevoir les joncs (5) de caoutchouc dur.  Figure 3 shows the housing (1) in the form of stirrup, attaching to the tool holder of the high frequency machine, machined along its length of two grooves to receive the rods (5) of hard rubber.

La figure 4 représente le noyau (2) qui possède deux cavités pour permettre au fil métallique (3) une flexion et un maintient du jonc (5) de caoutchouc dur.  FIG. 4 shows the core (2) which has two cavities to allow the wire (3) to bend and hold the rod (5) of hard rubber.

La figure 5 représente le fil métallique (3) qui vient s' enrouler sur le noyau (2), façonné sur les côtés pour permettre un effet élastique, au moment de la compression, et d'une arrête dorsale, soudé sur toute sa longueur, maintenant 1' ensemble des spires du bobinage.  FIG. 5 shows the wire (3) which is wound on the core (2), shaped on the sides to allow an elastic effect, at the time of compression, and a backbone, welded over its entire length , now 1 'set of turns of the winding.

La figure 6 représente le caoutchouc (4), maintenu sous le noyau (2), recevant les poussés des filets du fil métalique (3) sur toute sa longueur.  Figure 6 shows the rubber (4), held under the core (2), receiving the thrusts of the threads of the metal wire (3) along its length.

La figure 7 représente un des deux couvercles (6) vissés sur chaque extrémités afin de maintenir le noyau (2) sur le boîtier (1).  Figure 7 shows one of the two covers (6) screwed on each end to maintain the core (2) on the housing (1).

Claims (9)

REVENDICATIONS 1.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence, comportant un boîtier fixé sur le porte-outil d'une machine, une répartition des hauteurs et des charges de l'électrode à fil métallique solénoïdal, dans un rattrapage linéaire et renforcée par un chemin multi-contact sur sa surface porteuse en écrasant uniformément de long en large la longueur des matériaux à souder, caractérisée en ce qu'elle est constituée par un fil métallique (3) enroulé en hélice sur un noyau (2), vissé à ses extrémités par deux vis aux deux couvercles (6) fixé par quatre vis au boîtier (1) et maintenu longitudinalement par deux joncs (5) encastrés sur la longueur du boîtier (1), interposé sur la longueur par le caoutchouc (4), entre la partie basse du noyau (2) et la surface intérieure de 1' enroulement du fil métallique (3), lorsque la pression est exercée sur le boîtier (1) chaque filet du bobinage est en appui rectiligne sur la matière (7) et 1' épouse indépendament afin d' établir un contact rigide et conducteur électrique sur la longueur à souder par haute fréquence.  1.Flat welding spiral welding electrode for high frequency welding machine, having a housing fixed to the tool holder of a machine, a distribution of heights and charges of the solenoid wire electrode, in a linear catching and reinforced by a multi-contact path on its bearing surface by uniformly crushing the length of the materials to be welded, characterized in that it consists of a wire (3) helically wound on a core ( 2), screwed at its ends by two screws to the two covers (6) fixed by four screws to the housing (1) and held longitudinally by two rods (5) embedded along the length of the housing (1), interposed on the length by the rubber (4), between the lower part of the core (2) and the inner surface of one winding of the wire (3), when the pressure is exerted on the housing (1) each thread of the winding is in rectilinear abutment on the Matie re (7) and the wife independently to establish a rigid and electrically conductive contact over the length to be welded by high frequency. 2.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que le fil métallique (3) est de section ronde et avoir une section différente comme rectangulaire ou carré et raboté à sa base pour avoir une portée pafaitement plane.  2.Flat welding spiral welding electrode for high frequency welding machine according to claim 1, characterized in that the wire (3) is of round section and have a different section as rectangular or square and planed at its base. to have a reach pafaitement flat. 3.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que le fil métallique (3) possède des plis qui permettent un effet élastique aux contraintes des charges.  3.Flat welding spiral welding electrode for high frequency welding machine according to claim 1, characterized in that the wire (3) has folds which allow an elastic effect to load stresses. 4.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que le fil métalli- que (3) est constitué d' un alliage qui possède des pro-priétés élastique, rigide et bon conducteur électrique.  4.Flat welding spiral welding electrode for a high frequency welding machine according to claim 1, characterized in that the metal wire (3) consists of an alloy which has elastic, rigid and good electric conductor. 5.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que le fil métalli- que (3) possède une arrête dorsale sur toute sa longueur, pour maintenir 1' ensemble des spirales du bobinage.  5.The flat welding spiral welding electrode for a high frequency welding machine according to claim 1, characterized in that the wire (3) has a dorsal edge along its entire length to hold the spiral assembly together. winding. 6.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que le fil métalli- que (3) est plié à sa base et de varier, sur sa longueur la largeur de 1' empreinte de la soudure.  6.Flat welding spiral welding electrode for a high frequency welding machine according to claim 1, characterized in that the metal wire (3) is folded at its base and varies over its length by the width of 1 impression of the weld. 7.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que le fil métalli- que (3) est constitué d' une résistance électrique et qui, parcouru par un courant électrique, permet la chauffe de la matière à souder (7)  7.Flat welding spiral welding electrode for a high frequency welding machine according to claim 1, characterized in that the metallic wire (3) consists of an electrical resistance and which is traversed by an electric current, allows the heating of the material to be welded (7) 8.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que la bande de caoutchouc (4) est de densité dure et supporter les contraintes des charges des filets du bobinage, du fil métallique (3), en pression sur la matière à souder (7).8.Flat welding spiral welding electrode for high frequency welding machine according to claim 1, characterized in that the rubber band (4) is of hard density and withstand the stresses of the loads of the threads of the winding, the wire metal (3), under pressure on the material to be welded (7). 9.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 1, caractérisée en ce que la bande de caoutchouc (4), remplacée par un tuyau d' une matière élastique, rempli d' un liquide ou d' un gaz, et de mieux répendre, sur sa longueur, les charges de la pression des filets du bobinage, du fil métallique (3).  9.The flat welding spiral welding electrode for a high frequency welding machine according to claim 1, characterized in that the rubber band (4) is replaced by a hose of an elastic material, filled with a liquid or of a gas, and to better spread, over its length, the charges of the pressure of the threads of the winding, the wire (3). 1O.Electrode de soudage à spirale de soudage à plat pour machine à souder haute fréquence suivant la revendication 9, caractérisée en ce que le tuyau, rempli d' un liquide ou d' un gaz, peut varier sa densité par un régulateur de pression.  Welding spiral welding electrode for a high frequency welding machine according to claim 9, characterized in that the pipe, filled with a liquid or a gas, can vary its density by a pressure regulator.
FR0505660A 2005-06-06 2005-06-06 Butt welding electrode for high frequency welding machine, has metallic wire winding helically wound on core, and coiling fillets, in rectilinear support on material to be welded, independently engaged when pressure is excreted on core Withdrawn FR2886573A1 (en)

Priority Applications (1)

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FR0505660A FR2886573A1 (en) 2005-06-06 2005-06-06 Butt welding electrode for high frequency welding machine, has metallic wire winding helically wound on core, and coiling fillets, in rectilinear support on material to be welded, independently engaged when pressure is excreted on core

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Application Number Priority Date Filing Date Title
FR0505660A FR2886573A1 (en) 2005-06-06 2005-06-06 Butt welding electrode for high frequency welding machine, has metallic wire winding helically wound on core, and coiling fillets, in rectilinear support on material to be welded, independently engaged when pressure is excreted on core

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FR2886573A1 true FR2886573A1 (en) 2006-12-08

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FR0505660A Withdrawn FR2886573A1 (en) 2005-06-06 2005-06-06 Butt welding electrode for high frequency welding machine, has metallic wire winding helically wound on core, and coiling fillets, in rectilinear support on material to be welded, independently engaged when pressure is excreted on core

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH285276A (en) * 1949-05-24 1952-08-31 Siemens Ag Equipment for high frequency treatment of substances.
GB726885A (en) * 1953-10-24 1955-03-23 Sakuji Yamaguchi Welding electrodes for high frequency electric sewing machines
GB777279A (en) * 1955-02-21 1957-06-19 Marius Berghgracht Improvements in bag making machines
US3269885A (en) * 1963-09-25 1966-08-30 Packaging Frontiers Inc Heat-sealing head
DE3213997A1 (en) * 1982-04-16 1983-10-20 Behn Maschinenfabrik GmbH & Co KG, 4150 Krefeld Welding device for closing a valve tube of a valve bag
DE4219784C1 (en) * 1992-06-17 1993-07-15 Maschinenfabrik Knaup Gmbh & Co, 3320 Salzgitter, De Ultrasonic-welding device with pipe-shaped base - has corrugated bearing area formed by external surface of helical spring with closely placed windings fixed in position by pins at housing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH285276A (en) * 1949-05-24 1952-08-31 Siemens Ag Equipment for high frequency treatment of substances.
GB726885A (en) * 1953-10-24 1955-03-23 Sakuji Yamaguchi Welding electrodes for high frequency electric sewing machines
GB777279A (en) * 1955-02-21 1957-06-19 Marius Berghgracht Improvements in bag making machines
US3269885A (en) * 1963-09-25 1966-08-30 Packaging Frontiers Inc Heat-sealing head
DE3213997A1 (en) * 1982-04-16 1983-10-20 Behn Maschinenfabrik GmbH & Co KG, 4150 Krefeld Welding device for closing a valve tube of a valve bag
DE4219784C1 (en) * 1992-06-17 1993-07-15 Maschinenfabrik Knaup Gmbh & Co, 3320 Salzgitter, De Ultrasonic-welding device with pipe-shaped base - has corrugated bearing area formed by external surface of helical spring with closely placed windings fixed in position by pins at housing

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