EP3765276A1 - Ensemble de liaison et procédé destiné au soudage d'un premier élément en matière plastique à un second élément en matière plastique - Google Patents

Ensemble de liaison et procédé destiné au soudage d'un premier élément en matière plastique à un second élément en matière plastique

Info

Publication number
EP3765276A1
EP3765276A1 EP19705490.1A EP19705490A EP3765276A1 EP 3765276 A1 EP3765276 A1 EP 3765276A1 EP 19705490 A EP19705490 A EP 19705490A EP 3765276 A1 EP3765276 A1 EP 3765276A1
Authority
EP
European Patent Office
Prior art keywords
plastic
plastic component
induction ring
component
joining region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19705490.1A
Other languages
German (de)
English (en)
Inventor
Till Schade
Werner Steinberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3765276A1 publication Critical patent/EP3765276A1/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3644—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a ribbon, band or strip
    • B29C65/3652—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a ribbon, band or strip forming a sleeve, e.g. a wrap-around sleeve
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3608—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint comprising single particles, e.g. fillers or discontinuous fibre-reinforcements
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/362—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint comprising at least a single wire, e.g. in the form of a winding
    • B29C65/3628—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint comprising at least a single wire, e.g. in the form of a winding said at least a single wire having a waveform, e.g. a sinusoidal form
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3644—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a ribbon, band or strip
    • B29C65/3648—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a ribbon, band or strip said strip being perforated
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3668—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special induction coils
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3684—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being non-metallic
    • 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
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre 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
    • B29C66/01—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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124—Tongue and groove 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3034—Particular design of joint configurations the joint involving an anchoring effect making use of additional elements, e.g. meshes
    • 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
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3034—Particular design of joint configurations the joint involving an anchoring effect making use of additional elements, e.g. meshes
    • B29C66/30341—Particular design of joint configurations the joint involving an anchoring effect making use of additional elements, e.g. meshes non-integral with the parts to be joined, e.g. making use of extra 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/526—Joining bars
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular 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
    • B29C66/70—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/08—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/362—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint comprising at least a single wire, e.g. in the form of a winding
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/126—Tenon and mortise 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/322—Providing cavities in the joined article to collect the burr

Definitions

  • the invention relates to a connection assembly and a procedural ren for welding a first plastic component with a second plastic component according to the preamble of the independent claims.
  • EWS electromagnetic resistance welding
  • induction welding Induction welding
  • an alternating electromagnetic field typ. 10 kHz to 40 kHz
  • the induction ring heats up due to heat losses and leads by heat conduction to a melting of the plastic polymers of the two joining partners, which are then connected under pressure ver and consolidated.
  • 9 to 12 show a known from the prior art Kunststoffsan Regulation 1, 1A with a first plastic component 2, a second plastic component 3 and a closed induction ring 4, which has a polygonal cross-section and in a joint gap 1.1 between the two plastic components. 2 , 3 is arranged.
  • the first plastic component 2 has a first joining region 2.2, which comprises a receiving opening, a circumferential first collar 2.4 and a joining gap 1.1.
  • the second plastic component 3 has a second joining region 3.2, which has a shoulder and a circumferential second Kra conditions 3.4, wherein between the shoulder and the circumferential second collar 34 is formed a recess.
  • FIG. 9 and 10 show a known from the prior art Kunststoffsan Regulation 1, 1A with a first plastic component 2, a second plastic component 3 and a closed induction ring 4, which has a polygonal cross-section and in a joint gap 1.1 between the two plastic components. 2 , 3 is arranged.
  • the first plastic component 2 has a first joining
  • the induction ring 4 in the joint gap 1.1 is between a bottom of the joint gap 1.1 and an end face of the second collar 3.4 is arranged, which is also introduced into the joint gap 1.1.
  • the first collar 2.4 is inserted into the recess between tween the second collar 3.4 and the paragraph.
  • the induction ring 4 and the second collar 3.4 divide the gap 1.1 into an upper annular gap 1.3 and a lower annular gap 1.5.
  • connection arrangement 1, 1A before a welding process in which a coil, not shown, generates an alternating field which heats the induction ring 4 in the induced eddy currents and to a local melting of the first plastic component 2 and the second plastic component 3 in the area of the joining gap 1.1 leads.
  • the two plastic components 2, 3 are connected under pressure and the two before seen annular gaps 1.3, 1.5 filled with plastic melt 1.7, 1.9, as shown in FIG. 11 can be seen.
  • 11 shows the faultless connection arrangement 1 after the welding process.
  • the induction ring 1. 1 has an eccentric position after the welding operation, so that in contrast to FIG. 11 there is no uniform annular gap 1.3 filled with plastic melt 1.7, 1.9. 1.5 arise.
  • the uneven or partially non-existent annular gaps 1.3, 1.5 can impair the quality of the illustrated connection arrangement 1A.
  • connection arrangements has in common that melt the plastic of the two plastic components substantially only the hollow spaces, and connect only in the immediate vicinity of the induction ring together to a "Bindenaht" and produce a cohesive connection.
  • connection arrangement with the features of the independent patent claim 1 and the method for welding a first plastic co mponent with a second plastic component having the features of inde pendent claim 9 each have the advantage that in addition to the materially coherent connection produces a durable form-fitting connection becomes.
  • the joining geometries of the plastic components are advantageously easy to implement in the injection molding tools. sierbar.
  • the induction ring can be inexpensively rolled or deep drawn as a mass product.
  • embodiments of the invention provide induction rings with a radially flexibilized ring design, which can be improved ver in some way, a TWS resistance (TWS: temperature shock) ver.
  • TWS temperature shock
  • Embodiments of the present invention provide a connection arrangement with a first plastic component, a second plastic component, and a closed induction ring.
  • the first plastic component has a first joining region designed as a receptacle
  • the second plastic component has at one end a second joining region introduced into the first joining region.
  • the induction ring is melted at the joining areas at least partially in the two plastic components, so that at a contact area between a first plastic melt of the first plastic component and a second plastic melt of the second plastic component creates a material connection.
  • the induction ring is melted to form at least a first undercut in the first plastic component and training at least a second undercut in the second plastic component, so that between the plastic components and the induction ring each form a positive connection.
  • a method for welding a first plastic component which has a first joining region designed as a receptacle, is proposed with a second plastic component which has a second joining region at one end.
  • a closed induction ring is interposed between the joining regions of the two plastic components, wherein the closed induction ring by an electromagnetic alternating field he is heated and melts the plastic polymers of the two plastic components.
  • the molten plastic components are moved towards each other under pressure, so that at a contact area between a first Plastic melt of the first plastic component and a second plastic melt of the second plastic component a cohesive connec tion arises.
  • the induction ring is melted to form at least a first undercut in the first plastic component and at least forming a second undercut in the second plastic component, so that onsring between the plastic components and the Indukti each creates a positive connection.
  • the at least one first undercut and a resulting first positive connection between the induction ring and the first plastic component prevent the induction ring from being taken out of the receptacle of the first plastic component.
  • the at least one second undercut and a resultant second positive connection between the induction ring and the second plastic component prevents the second plastic component from being pulled out of the induction ring and out of the receptacle of the first plastic component.
  • the first joining region of the first plastic component can be designed as a cylindrical receiving opening
  • the second joining region of the second plastic component can be designed as a cylindrical section, which can be introduced into the cylindrical receiving opening of the first plastic component without gap formation
  • an outer diameter of the cylindrical portion of the second plastic components substantially corresponds to the diameter of the cylindrical receiving opening.
  • the first Fügebe be rich of the first plastic component leads out as a conical receiving opening
  • the second joining region of the second plastic component can be designed as a conical section, which is block in the koni cal receiving opening of the second plastic component inserted.
  • the conical design of the two joining contours advantageously effect an independent centering of the first plastic component, the second plastic component and the induction ring relative to each other. This results in uniform undercuts, so that the quality of the Ver connection arrangement or the weld can be improved.
  • the embodiment is insensitive to component tolerances.
  • the ge closed induction ring may have a running as a cylindrical or conical hollow body and consist of a metal or a leitfähi conditions plastic or filled with ferromagnetic particles plastic.
  • a metal or a leitfähi conditions plastic or filled with ferromagnetic particles plastic.
  • the induction ring with a conical body can melt evenly into the two plastic components.
  • the expansion coefficients of the two plastic components and the induction ring tion tion can harmonize better in an advantageous manner.
  • the induction ring can melt, which can further increase the quality of the connection.
  • the design of the induction ring of conductive plastic and the thermal shock resistance of the welded joint and thus the quality of the welded joint can be further improved.
  • the base body in its lateral surface has at least one opening and / or at least one recess.
  • the at least one opening may, for example, have a round cross section or a polygonal cross section, wherein the corners may be rounded.
  • the at least one savings can be performed, for example, as a wave-shaped recess or as a loop-shaped recess.
  • the base body may have a knurling and / or an embossing in some areas in its lateral surface. Also, undercuts between the plastic components and the induction ring can be generated and the positive Ver compounds are improved.
  • the induction ring for example, gap freely inserted into the running as a recording first joining portion of the first plastic component.
  • the induction ring can be plugged gap-free on the second joining region of the second plastic component.
  • FIG. 1 shows a schematic sectional view of components for a first embodiment of a connection arrangement according to the invention.
  • Fig. 2 shows a schematic sectional view of the firstimportesbei game a connection assembly according to the invention after the Sch hasslevor gear.
  • Fig. 3 shows a schematic perspective view of components for a second embodiment of a dacasanord invention voltage.
  • Fig. 4 shows a schematic perspective partial sectional view of the compo nents of FIG. 3 with inserted induction ring.
  • Fig. 5 shows a schematic perspective partial sectional view of the compo nents of Fig. 3 and 4 before the welding process.
  • Fig. 6 shows a schematic perspective partial sectional view of the second embodiment of the connecting arrangement according to the invention after the welding process.
  • Fig. 7 shows a schematic perspective view of an embodiment example of an induction ring for a kausanord invention voltage.
  • Fig. 8 shows a schematic perspective view of another imple mentation of an induction ring for a connec tion arrangement according to the invention.
  • Fig. 9 shows a schematic perspective view of components for a connection arrangement known from the prior art.
  • Fig. 10 shows a schematic sectional view of the known from the prior tech technology components of Fig. 9 before the welding process.
  • FIG. 11 shows a schematic sectional view of a made of the known from the prior art components of Fig. 10 error-free Ver connection arrangement after the welding process.
  • FIG. 12 shows a schematic sectional illustration of a faulty connection arrangement produced after the welding process, which components are made from the components of FIG. 10 known from the prior art.
  • connection arrangement 10A, 10B each comprise a first plastic component 20, 20A, 20B, a second plastic component 30, 30A, 30B and a closed induction ring 40
  • Component 20, 20A, 20B has a first joining area 22 designed as a receptacle
  • the second plastic component 30, 30A, 30B has at one end a second joining area 32 introduced into the first joining area 22.
  • the induction ring 40 is at the partially at the joining areas 22, 32 at least partiallyLemol zen in the two plastic components 20, 20A, 20B, 30, 30A, 30B, so that at a contact area between a first plastic melt 24 of the first plastic component 20, 20A, 20B and a second plastic melt 34 of the second plastic component 30, 30 A, 30 B a cohesive ge compound is formed.
  • the induction ring 40 is under training min least a first undercut 14 in the first plastic component 20,
  • the closed induction ring 40 is heated by an electromagnetic cal alternating field and melts the plastic polymers of the two plastic components 20, 20A, 20B, 30, 30A, 30B, wherein the molten plastic components 20, 20A, 20B, 30, 30A, 30B under pressure towards each other- moved or inserted into each other, so that at a contact area between tween a first plastic melt 24 of the first plastic component 20, 20A, 20B and a second plastic melt 34 of the second plastic component 30, 30A, 30B a cohesive connection is formed.
  • the induction ring 40 is fused to form at least a first undercut 14 in the first plastic component 20, 20A, 20B and forming at least one second undercut 16 in the second plastic component 30, 30A, 30B, so that between the plastic components 20, 20A, 20B .
  • the first joining region 22 of the first plastic component 20A is designed as a cylindrical receiving opening 22A in the illustrated embodiment.
  • the second joining portion 32 of the second plastic component 30A is configured as a cylindrical portion 32A, which can be inserted into the cylindrical receiving opening 22A of the first plastic component 20A without gap formation.
  • the first joining region 22 of the first plastic component 20B is designed as a conical receiving opening 22B in the illustrated embodiment.
  • the second joining region 32 of the second plastic component 30 B is designed as a conical section 32 B, which can be introduced block in the conical receiving opening 22 B of the second Kunststoffkompo component 20 B.
  • the closed induction ring 40 in the illustrated embodiment has a main body 46 made of a metal designed as a cylindrical hollow body 46A.
  • the base body 46 may be made of a conductive plastic or plastic filled with ferromagnetic particles.
  • the base body 46 has in its outer surface a plurality of arranged in a row openings 42 with a diamond-shaped cross-section 42 B, wherein the corners of the rhombus are rounded.
  • number, shape and position of the openings 42 can be chosen arbitrarily.
  • the shape should, however, each be selected so that the first plastic melt 24 of the first plastic Material component 20A can flow from the outside into the openings 42, and the two te plastic melt 34 of the second plastic component 30A can flow from the inside into the openings.
  • This results in the openings 42 each have a first undercut 14 and a resulting first positive Ver bond between the induction ring 40 and the first plastic component 20A, which prevents the induction ring 40 from the cylindrical receiving opening 22A of the first plastic component 20A taken out can be.
  • openings 42 each have a second rear section 16 and a resulting second positive connection between tween the induction ring 40 and the second plastic component 30A, wel che prevents the second plastic component 30A from the induction ring 40 and from the cylindrical receiving opening 22A the first plastic component 20A can be pulled out.
  • the closed induction ring 40 in the exemplary embodiment shown has a main body 46 made of a metal and designed as a conical hollow body 46B.
  • the base body 46 may be made of a conductive plastic or plastic filled with ferromagnetic particles.
  • the base body 46 has, in its lateral surface, a plurality of openings 42 arranged in two rows with a round cross-section 42A.
  • number, shape and position of the openings 42 can be chosen arbitrarily.
  • the two th joining region 32 and the induction ring 40 is formed on a nikringförmi gene end face on the larger cross-sectional area of the conical induction ring 40, a first undercut 14, from which a first positive connec tion between the conical induction ring 40 and the first plastic component 20B results which prevents the induction ring 40 from being taken out of the female receiving opening 22B of the first plastic component 20B.
  • a second background section 16 is formed, from which a second positive connection between the induction ring 40 and the second plastic component 30B results, which prevents the second plastic component 30B from the induction ring 40 and from the conical receiving opening 22B of the first plastic component 20B can be pulled out.
  • the first plastic melt 24 of the first plastic component 20 B flow from the outside into the openings 42 and the two te plastic melt 34 of the second plastic component 30 B can flow from the inside into the openings on the Ausry tion according to FIGS. 1 and 2.
  • the openings 42 each have a first undercut 14 and a resulting first positive connection between the induction ring 40 and the first plastic component 20B, wel che prevents the induction ring 40 from the conical receiving opening 22 B of the first plastic component 20 B can be removed ,
  • the results in the openings 42 each have a second undercut 16 and a resulting second positive connection between the Indukti onsring 40 and the second plastic component 30 B, which prevents the second plastic component 30 B from the induction ring 40 and from the conical receiving opening 22 B of the first Plastic component 20B can be pulled out.
  • the main body 46 of the induction ring 40 is in the illustrated embodiment as a cylindrical hollow body 46C leads out, which in its outer surface several arranged in a row Publ opening 42 with a diamond-shaped cross section 42 B, wherein the corners of the rhombus are rounded.
  • the hollow body 46C may be made frustoconical.
  • the main body 46 of the induction ring 40 is in the illustrated embodiment as a cylindrical hollow body 46 D leads out, which has a plurality of loop-shaped recesses 43 B in its lateral surface.
  • the main body 46 of Induction ring 40 gebil det by a number of juxtaposed loops, which are closed to form a ring and thus form the lateral surface of a cylinder.
  • the hollow body 46D can be made frusto-conical.
  • the base body 46 of the induction ring 40 in its outer surface partially knurling and / or embossing. These may additionally or alternatively to the Publ openings 42 and / or recesses 43 are provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un ensemble de liaison (10, 10B) doté d'un premier élément en matière plastique (20, 20B), d'un second élément en matière plastique (30, 30B) et d'une bague d'induction fermée (40), ainsi qu'un procédé destiné au soudage d'un premier élément en matière plastique (20, 20B) à un second élément en matière plastique (30, 30B). Le premier élément en matière plastique (20, 20B) comprend une première zone d'assemblage (22) conçue sous forme de logement, et le second élément en matière plastique (30, 30B) comprend, à une extrémité, une seconde zone d'assemblage (32) insérée dans la première zone d'assemblage (22), la bague d'induction (40) étant incorporée par fusion, au niveau des zones d'assemblage (22, 32), au moins en partie dans les deux éléments en matière plastique (20, 20B, 30, 30B), de sorte qu'une liaison par liaison de matière soit créée au niveau d'une zone de contact entre une première masse fondue en matière plastique (24) du premier élément en matière plastique (20, 20B) et une seconde masse fondue en matière plastique (34) du second élément en matière plastique (30, 30B). Selon l'invention, la bague d'induction (40) est incorporée par fusion dans le premier élément en matière plastique (20, 20B) en formant au moins une première contre-dépouille (14), et dans le second élément en matière plastique (30, 30B) en formant au moins une seconde contre-dépouille (16), de sorte qu'une liaison par liaison par complémentarité de formes soit créée respectivement entre les éléments en matière plastique (20, 20B, 30, 30B) et la bague d'induction (40).
EP19705490.1A 2018-03-15 2019-02-14 Ensemble de liaison et procédé destiné au soudage d'un premier élément en matière plastique à un second élément en matière plastique Withdrawn EP3765276A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018203923.2A DE102018203923A1 (de) 2018-03-15 2018-03-15 Verbindungsanordnung und Verfahren zum Verschweißen einer ersten Kunststoffkomponente mit einer zweiten Kunststoffkomponente
PCT/EP2019/053609 WO2019174843A1 (fr) 2018-03-15 2019-02-14 Ensemble de liaison et procédé destiné au soudage d'un premier élément en matière plastique à un second élément en matière plastique

Publications (1)

Publication Number Publication Date
EP3765276A1 true EP3765276A1 (fr) 2021-01-20

Family

ID=65440964

Family Applications (1)

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EP19705490.1A Withdrawn EP3765276A1 (fr) 2018-03-15 2019-02-14 Ensemble de liaison et procédé destiné au soudage d'un premier élément en matière plastique à un second élément en matière plastique

Country Status (5)

Country Link
US (1) US11279093B2 (fr)
EP (1) EP3765276A1 (fr)
CN (1) CN111867816B (fr)
DE (1) DE102018203923A1 (fr)
WO (1) WO2019174843A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022148726A1 (fr) 2021-01-07 2022-07-14 Tomas Pink Système chauffant pour tuyaux flexibles et agent de scellement ainsi que procédé de scellement de tuyaux flexibles et de tubes thermoplastiques
EP4026683B1 (fr) 2021-01-07 2024-03-27 Tomas Pink Chauffe-tuyau et tuyau flexible, ainsi que procédé de scellage de tuyaux flexibles et tubes thermoplastiques

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032632A (ja) 1983-08-04 1985-02-19 Masuji Yasuda 熱溶融性合成樹脂パイプの接続方法
GB8617311D0 (en) 1986-07-16 1986-08-20 Protector Safety Ltd Induction welding of plastics components
JP2000146073A (ja) * 1998-11-16 2000-05-26 Yamato Setsubi Construction Co Ltd 継手の誘導加熱接続方法およびその装置
DE102013003105A1 (de) 2013-02-25 2014-08-28 Gwa Hausanschluss Armaturen Gmbh Rohrleitungsabschnitteinrichtung und Verfahren zum Verbinden eines Rohrelementes aus Kunststoff mit einem Gehäuse einer Rohrleitung

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US20210008811A1 (en) 2021-01-14
CN111867816A (zh) 2020-10-30
WO2019174843A1 (fr) 2019-09-19
CN111867816B (zh) 2023-02-14
US11279093B2 (en) 2022-03-22
DE102018203923A1 (de) 2019-09-19

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