EP2293922A2 - Appareil de soudage à main - Google Patents

Appareil de soudage à main

Info

Publication number
EP2293922A2
EP2293922A2 EP09765453A EP09765453A EP2293922A2 EP 2293922 A2 EP2293922 A2 EP 2293922A2 EP 09765453 A EP09765453 A EP 09765453A EP 09765453 A EP09765453 A EP 09765453A EP 2293922 A2 EP2293922 A2 EP 2293922A2
Authority
EP
European Patent Office
Prior art keywords
welding device
hand
welding
hand welding
inliner
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Withdrawn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
EP09765453A
Other languages
German (de)
English (en)
Inventor
Hermann Van Laak
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.)
Plasticon Germany GmbH
Original Assignee
Plasticon Germany 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 Plasticon Germany GmbH filed Critical Plasticon Germany GmbH
Publication of EP2293922A2 publication Critical patent/EP2293922A2/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Withdrawn legal-status Critical Current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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1435—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. transmission welding
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1464—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1477—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation making use of an absorber or impact modifier
    • B29C65/1483—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation making use of an absorber or impact modifier coated on the article
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1654—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • B29C65/1658—Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined scanning once, e.g. contour laser welding
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • B29C65/1683—Laser beams making use of an absorber or impact modifier coated on the article
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like
    • B29C65/5021—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like being multi-layered
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5064—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped
    • B29C65/5071—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped and being composed by one single element
    • 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
    • B29C66/01—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
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/40—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
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • B29C66/4722—Fixing strips to surfaces other than edge faces
    • 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
    • B29C66/69—General aspects of joining filaments 
    • 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
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81266—Optical properties, e.g. transparency, reflectivity
    • B29C66/81267—Transparent to electromagnetic radiation, e.g. to visible light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81419—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
    • 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
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/865—Independently movable welding apparatus, e.g. on wheels
    • B29C66/8652—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling
    • B29C66/86521—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being self-propelling
    • B29C66/86523—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being self-propelling the traction being made on the seam
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
    • B29C65/1619—Mid infrared radiation [MIR], e.g. by CO or CO2 lasers
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5092—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the tape handling mechanisms, e.g. using vacuum
    • 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
    • B29C65/82—Testing the joint
    • B29C65/8207—Testing the joint by mechanical methods
    • B29C65/8246—Pressure tests, e.g. hydrostatic pressure tests
    • 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
    • B29C65/82—Testing the joint
    • B29C65/8269—Testing the joint by the use of electric or magnetic means
    • 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
    • B29C65/82—Testing the joint
    • B29C65/8269—Testing the joint by the use of electric or magnetic means
    • B29C65/8276—Testing the joint by the use of electric or magnetic means by the use of electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • B29K2995/0069—Permeability to liquids; Adsorption non-permeable

Definitions

  • the invention relates to a hand welding device, in particular for producing a welded connection between plastic materials with one another or with a wall, comprising at least one pressure element and at least one electromagnetic radiation head, wherein a compound can be produced using a welding agent.
  • lining containers that are made of either metal or a non-compatible plastic or fiberglass.
  • lining films are required for high-purity containers (semiconductors), for highly resistant containers (chemicals), for columns, containers, gas channels, heat exchangers and other apparatus (chemicals).
  • the materials used for the containers are usually not acid-resistant or impure, so that an additional acid-resistant and / or high-purity lining of the container is required.
  • the lining materials provided for this purpose are used as inner lining (inliner film) wherever, as a result of large temperature fluctuations, a shock effect can occur due to cooling of the outer materials and cracks or leaks are caused.
  • a lining is required where working with corrosive gases or liquid substances and the housing walls are exposed to these gases or liquids.
  • the interior areas facing the flow areas are therefore provided with anticorrosion films of plastic as interior lining.
  • the plastic MFA, PFA or FEP in film form is used, because this plastic provides adequate corrosion protection and can be used at the same time for good insulation against thermal shock.
  • the corrosive gases or liquids are usually sourced from chemical producers and distributors as well as power plants, waste incinerators and numerous industrial process plants. Due to the size of the container to be lined and The high demands on the gas and liquid tightness are made extremely high demands on the welds to be provided.
  • hot gas drawing welding or electrical resistance welding or heating element contact welding with relatively large melting cross sections is used, which leads to time-consuming and expensive processing. Due to the large melting cross-sections exact weld preparation and a long welding seam fixation for welding and during cooling are required, so that such welding process for the film welding are economically less interesting.
  • thermoplastics such as PFA, FEP, MFA
  • PFA polymethyl methacrylate
  • FEP fluorinated thermoplastic
  • MFA polymethyl methacrylate
  • the above-mentioned welding process can in principle also be transferred to modified PTFE, since it can generally be welded to a chemical structure similar to PFA.
  • Thermal contact welding using the hot wedge method is also used, but this can only be used to join second non-bonded foils, because the known welding devices are guided along the edges of the foil and must surround the foil edges for propulsion.
  • a use of the welding equipment in steel or GRP existing containers with an adhesive layer, such as an adhesive layer, and a plastic coating is therefore not possible.
  • the invention has for its object to provide a hand welder available, which eliminates the disadvantages of the prior art and also allows in a particularly simple manner, the production of a weld for the plastic materials.
  • the propulsion of the hand welding device and / or the materials to be welded takes place via the welding means, which can be fed by a drive means.
  • the welding process can be substantially simplified, in particular along the film edges, because the propulsion takes place directly via the welding agent itself.
  • the welding agent is supplied continuously via a drive means, so that in this way a targeted and individually adjustable propulsion for the manual welding device is achieved.
  • no manual driving force is required by the welder, whereby the work is much easier.
  • the use of electromagnetic radiation to connect the plastic materials also releases significantly less gas through the weld, so this process is considered to be environmentally friendly and, moreover, does not require any special safety precautions for the operator.
  • the welding agent has a low elasticity and thus can be supplied continuously via the drive means, which is part of the manual welding device, the welding agent, by an end-side fixation of the welding agent, for example by welding a continuous transport of the welder with Help the drive means along the welding means and thus achieved along the edge of the film.
  • rigid welding means can be used, which, although windable, have a high deformation stability in the longitudinal direction.
  • the welding means can be fed to the drive means via first guide means. Furthermore, the welding means is guided via second guide elements between the drive means and a welding zone, which is also referred to as a joining area, so that for example via slightly curved guide elements a continuous supply of the welding agent takes place in the joining area.
  • a welding zone which is also referred to as a joining area
  • the welding device according to the invention offers the possibility of a diverse use, for example, the welding device can be used stationary and the plastic materials are continuously supplied to the welder as well as the welding means.
  • the hand welding device mobile and to guide along the plastic materials to be welded, for example in the edge region, so that using the welding means, a welding of the edge regions of two adjacent plastic materials can be done.
  • a weld can be made with a wall in the central region of the plastic materials, as far as, for example, light-transparent plastic materials are used.
  • the drive means consist of an opposing Andruckrollencru, between which the welding means is guided, wherein the pinch roller pair is driven by electric motor or manually.
  • the drive can be done manually via a hand crank.
  • the pair of pinch rollers allows for a tight feed of the welding agent and an electromotive drive thus ensures on the one hand the supply of the welding agent and on the other hand no additional force must be applied by the welder to take over the propulsion of the welder in mobile use.
  • the pressure element, an electromagnetic radiation head and the drive means for example in the form of An horrrollencrues, taken together to form a unit so that it is guided along the plastic materials to be welded, the propulsion according to the invention by the rigid welding means and the supply via the electric motor drivable pressure rollers takes place.
  • a contact pressure on the joining region of the welding means and the plastic materials can be generated manually.
  • the welder knows at any time whether he exerts sufficient contact pressure on the manual welding device and whether this pressure is possibly under or exceeded.
  • the essential idea of the invention here is that the welder only has to generate the manual contact pressure, while on the other hand, the propulsion of the hand welding device via the drive means, which supplies the welding means.
  • the drive means is controlled by pressure sensors, wherein also the electromagnetic radiation head can be formed controllable via the pressure sensors.
  • the drive means and the radiation head can be switched off in order to prevent burning of the plastic materials. This means that as soon as the contact pressure is undershot, the propulsion can be interrupted via the drive means and energy input through a radiation head. Only at a sufficient contact pressure of the electric motor drive of the drive means and the radiation head is set in motion to allow the propulsion of the manual welding device and the welding process.
  • the manual welding device is designed in one or more stages.
  • a single-stage manual welder a single hand sewn seam can be pulled, while in a multi-stage manual welder optionally two welds, which can also be arranged one above the other, can be pulled.
  • the welding agent can be prepared so far so that it is supplied to the joining area.
  • the welding means consisting of a carrier material and an absorbent coating to be initially connected to one another before the finished welding material is used to weld the plastic materials.
  • the contact pressure can be transmitted uniformly to both pressure elements, the pressure elements being used to compress the carrier material with the absorbent coating on the one hand and the welding material with the plastic material to be welded on the other hand.
  • the manual welder is equipped with temperature sensors which detect the temperature of the welding agent directly or indirectly via the pressure element.
  • the temperature detection can be done either directly to the leadership of the welding agent or indirectly via the pressure element, the first variant allows a more accurate determination of the temperature.
  • a trailing temperature measurement can be carried out with the aid of temperature sensors.
  • the hand welder can be equipped with optical sensors for controlling the feed direction, for example via a stick-on barcode on the plastic materials or the welding means. The optical sensors serve to monitor the guidance of the hand welding device along the plastic materials and thus indicate deviations from a weld to be made in order to be able to act in a corrective manner.
  • At least one pressure element consists of a holding-down device, preferably of a pressure plate transparent to electromagnetic radiation.
  • the pressure element may be transparent.
  • a pressure element may be equipped with a counter-holder, so that a contact pressure between the absorbent coating and the carrier material can be achieved before the welding agent in a further welding process is welded to the plastic material.
  • the wall serves as an anvil when the lining material is attached to the wall by means of the hand welding device or two lining materials are welded together.
  • the electromagnetic radiation of the radiation head within a closed wall or via a light guide to the joining region, which is formed by the welding means and the plastic materials can be fed.
  • This provision is required, for example, if, for example, a laser is used as the electromagnetic radiation source.
  • electromagnetic radiation is generated which is used to plasticize the joining region of the welding means and the plastic materials or also the joining region between the carrier material and the absorbent coating insofar as a secure connection is created.
  • a significant advantage of using the hand welder and the welding means is that the plastic materials and welding means are plasticized only over a limited area of the cross-section, this area extending substantially to the surface of the welding means and the plastic materials.
  • the required energy input for heating the plastic materials and the welding material used is much lower than in conventional welding, wherein the plastic materials to be processed are not permanently deformed due to the low plasticization and thus damage to the plastic materials, for example in the form of liner films, can be excluded.
  • the hand welder along the welding means can be used on this resting or possibly resting on the plastic materials, without damaging the welding material or the plastic materials occur.
  • the contact pressure required in this case can thus be readily transmitted via the plastic materials or the welding agent to the underlying layers, which serve as an anvil.
  • the contact pressure is needed only for a short period of time, since both the welding agent and the plastic materials can be relatively quickly connected by rapid cooling.
  • the hand welding device Another important advantage of the hand welding device is that the low energy input required does not lead to any deformation of the plastic materials and in particular the formation of weak points due to cross-sectional reductions can be avoided.
  • the energy input can be kept as low as possible with the hand welder according to the invention, wherein by the use of an electromagnetic radiation head, an accurate dosage can be done and the applied energy is introduced directly into an absorbent coating which is part of the welding means.
  • the Pressure be kept as low as possible, with a manual pressure force by hand is sufficient.
  • Another significant advantage is that the contact pressure and the energy input is decoupled from a propulsion speed and thus manually or with electromotive assistance the hand welding device can be performed on the welding surface to be connected.
  • the hand welder intended for use can be used for both mobile and stationary use.
  • a mobile application is carried out on site at the site for welding the plastic materials on the welding means, which are available in limited web widths, which due to the present container dimensions long welds must be made.
  • a stationary insert is used where the films are cut and sealed, for example, prior to insertion into the container in preparation for subsequent assembly due to a special shapes of the container shape, so that the plastic materials are already prepared and thus only to the container must be attached.
  • the hand welder can be used to connect multi-layer plastic materials or welding means.
  • the welding agent consisting of a carrier material and an absorbent coating in stationary use can be connected to one another with the aid of the hand welding device.
  • the hand-held welder can be supplied separately with the carrier material and the absorbent coating in a first stage, wherein the hand-welder is used to first weld the carrier material to the absorbent coating and then to weld the plastic materials, such as using a two-stage hand welder comes.
  • the welding means already consist of carrier material with absorbent coating
  • a one-step design of the manual welder is sufficient.
  • the applied pressure force is usually done manually by physical application.
  • the plastic materials provided for this purpose are generally films which are used as inliner films for lining the container walls. These films can be several millimeters thick and must be welded several times due to their own weight with the container wall, and not only in the edge region, so that after completion of the welding process, the entire container interior is lined with the inliner films.
  • the procedure for fixing the liner films on a container wall for example, in a first step in that first the welding agent is welded via the absorbent coating to the wall, if the wall is made of a weldable plastic or coated with such, wherein the welding agent and the absorbent coating can be connected to the hand welding device connected to each other and thus provided directly for welding by means of a single-stage hand welding device.
  • a plastic carrier material and the absorbent coating may be supplied separately and in a two-stage embodiment of the hand welding apparatus, first the connection between the carrier material and the absorbent coating is made and then a connection to the wall.
  • This possibility of one or two-stage execution of a manual welder is particularly advantageous because several millimeters thick strips are used as welding means, which can be connected to a lower energy input with the absorbent coating, then after laying on the wall and a renewed Apply energy directly to the weld with the wall.
  • the inliner film can be welded to the already attached welding agent, wherein a second absorbent coating, which faces the inliner film, is welded onto the welding agent.
  • This second absorbent coating may also be welded with a two-stage hand welder, the first stage of the hand welder being for connecting the second absorbent coating to the substrate and the second stage for directly welding the liner foil.
  • a second welding agent can be welded onto the first inliner film in a subsequent work step and then a second inliner film can be joined to the welding agent analogously to the abovementioned welding process.
  • the one- or two-stage hand welder is used, where it depends on whether the used second welding agent in one-piece form already exists or optionally in a further step previously the carrier material is provided with the absorbent coating, then welded to the first liner film to become.
  • the attachment of a second inliner foil serves the purpose of creating a gap between the two inliner foils, which can absorb any escaping gases or liquids which can be sucked out of the intermediate space via suitable known methods.
  • the attachment of the liner sheets is preferably strip-shaped at defined intervals, for example, at intervals of half a meter, so that the weight of the liner films can be collected and beyond special shapes of the container does not lead to sagging of the liner films.
  • a special procedure is required in the seam area, since the plastic materials used are not available in endless width and thus several film strips must be welded together.
  • the inliner foils are connected to each other with the help of the welding means, either on impact or with a joint. As far as a joint is formed, this can be used, for example, to receive conductive materials that allow a subsequent inspection of the existing weld in the joint area.
  • the special arrangement of the welding agent in the edge region of the inliner films also means that the welding means for simultaneous attachment of one or two inliner films can be used with an appropriate width with overlap.
  • the welding means used consist of a plastic-compatible carrier material, which is preferably designed to be light-transparent and has a coating absorbing on one side.
  • the coating may optionally also be formed on two sides or may be welded in an intermediate step by, for example, a two-stage hand welding device, so that a welding agent can be used, for example, for attaching one or two inliner films.
  • the absorbent coating serves to heat with the aid of the electromagnetic radiation to be introduced and this energy input is transferred to the carrier material or the plastic materials to be joined, so that a connection between the carrier material of the welding agent and the inliner foils is established as a result of the plasticization taking place
  • Support material is formed in the wavelength range of 300 to 2,500 nm non-absorbent and absorbs the absorbent coating in the wavelength range of 150 to 2,500 nm, preferably 500 to 1,500 nm, more preferably from 800 to 1,000 nm and wherein the carrier material has a thickness of 1, 0 to 5 , 0 mm, while the absorbent coating has a layer thickness of 0.05 to 0.5 mm, preferably 0.1 to 0.4 mm and more preferably from 0.2 to 0.3 mm.
  • the support material has a thickness of 1.0 to 5.0 mm, preferably 1.5 to 4.0 mm, particularly preferably 2.0 to 3.0 mm, so that after the application of a second Inlinerfolie the already mentioned gap in the millimeter range arises.
  • the container walls can be made of metal or GRP with a plastic coating for the intended use, so that the welding agent can be welded directly on this plastic coating.
  • plastic materials may be considered for the walls if they meet the static requirements with appropriate dimensioning, so that compatible plastic materials are used for the inliner films and an immediate welding can take place.
  • a solid-state laser, a gas laser, a semiconductor laser, an infrared light source, for example a xenon short-arc lamp, or a CO 2 laser are used as the electromagnetic radiation source.
  • a microwave radiation or an induction method can be used.
  • the heat required for welding is introduced into the joining zone by means of an alternating magnetic field.
  • the main phases of this process are heating, consolidation under pressure and cooling, the main influencing parameters being determined by the feed rate, the consolidation pressure and the temperatures of the joining zone.
  • a welding additive is required, which converts the energy of the electromagnetic field into heat. This welding additive, hereinafter referred to as filler, remains permanently in the welding zone.
  • Nanoparticles or nanoparticles are a combination of a few to a few thousand atoms or molecules. The name has a direct reference to their size which is typically between 1 and 100 nanometers. Nanoparticles can be produced both by natural means and by synthetic methods that are specifically equipped with new properties or functionalities, such as electrical conductivity, chemical reactivity. Synthetic nanoparticles can be subdivided according to their chemical and physical properties.
  • Carbonaceous nanoparticles, metal oxides, titanium dioxide, alumina, iron oxide, zinc oxide, and zeolites and other silicon-based mesoporous materials such as MCM-41 or SBA-15, semiconductors, metals, metal sulfides, and polymers such as dendrimers and block copolymers wherein the carbonaceous nanoparticles are in various forms can, for example, as fullerenes, nanotubes or Cabon black (soot particles).
  • the nanoparticles or the millbase can undergo thermal excitation by a magnetic field or an electric field, wherein a magnetic field causes a movement of the nanoparticles in a substance, while electric fields cause excitation of the electrons. Both measures lead to a warming of the nanoparticles or the ground material due to the resulting friction.
  • a magnetic reversal of a magnetized ferromagnetic substance is carried out at normal materials with many white 'rule districts by the displacement of the potential barriers between the different domains that is, the magnetic moments may be at the limits of a White' approach magnetic domain, and then are adjacent domain. Now decreases the size of the particles below the size of the Weiss domains consisting of the particles in question only of a white 'rule district. In such "single domain particels" a shift of a potential barrier is not possible because there is no wall between two domains and thus there is no probability for an antiparallel aligned atomic magnetic moment, ie in single domain particles, the spins can only change collectively, which is reflected in a very high coercivity field strength.
  • Crystallites of ferromagnetics can be thought of as being composed of domains. Within these domains or Weiss ' domains, the atomic magnetic moments are aligned in parallel. The volume of Weiss ' districts is typically 10 "4 to 10 " 6 mm 3 .
  • a ferromagnetic material If a ferromagnetic material is brought into an external magnetic field, the magnetic moments of the Weiss ' domains are directed parallel to the external magnetic field out. There is therefore a magnetization.
  • the magnetization of the sample goes back to zero. If the field strength of the external magnetic field continues to rise to a value, then the negative saturation magnetization is achieved. If you reduce the field strength again, the direction turns around and then increases it successively.
  • the ferromagnetic substances may consist of, for example, a metallic millbase or nanoparticles may be used which have further positive properties.
  • non-spherical particles may exhibit particle shape isotropy because it is easier to magnetize a cylindrical particle along the edge than along the short edge.
  • the deviation from the spherical shape need not be particularly pronounced, so A deviation of 1, 1 to 1, 5% of the spherical shape already causes a fourfold increase in the coercivity field strength.
  • nanoparticles which may be magnetic, ferrimagnetic, ferromagnetic, antiferromagnetic or supraparamagnetic.
  • the superparamagnetism in nanoparticles is further substantiated by the decrease in the particle volume, so that the atomic magnetic moments are influenced more and more by the thermal movement of the particles and can not be aligned in parallel. It comes to superparamagnetism.
  • Superparamagnetic particles behave in the same way as paramagnetic particles, but they have a much larger magnetic moment. Below a so-called block temperature, these substances behave again ferromagnetically.
  • Superparamagnetic materials show no hysteresis loop, so they can be easily differentiated experimentally from ferromagnetic particles.
  • the property of the nanoparticles depends, for example, on the mentioned block temperature and on the shape of the particles.
  • rod-shaped magnetic nanoparticles measuring 2 ⁇ 10 nm may have a block temperature of only 110 K, but spherical particles having a diameter of 2 nm may have one of 12 K.
  • the synthesis of magnetic nanoparticles faces a number of problems. In order to obtain a uniform behavior of the nanoparticles, it is of essential importance to control some parameters as precisely as possible. On the one hand, it is desirable to obtain the smallest possible size distribution of the particles, since the magnetic behavior of nanoparticles is decisively determined by their size. Standard synthesis methods can narrow the size distribution only to a deviation of about 10%. In general, however, fractions are required whose size range distribution is less than 5%. A common method is fractionated flocculation, adding a pure solvent to a sample of nanoparticles of different sizes conglomerates the largest particles because they have the largest van der Waals attractions. The conglomerate can then be separated by centrifuging and the process repeated.
  • Another parameter is the crystallinity of the products. It is desirable to have a high crystallinity in order to achieve the highest possible magnetization. However, influencing the crystal structure is also an important parameter since it allows the anisotropy of the magnetic nanoparticles to be controlled. In general, one achieves both the increase in crystallinity and the influence of the crystal structure by a controlled aging process, which can be achieved for example by heating to a certain temperature over a certain period of time. For the preparation in the individual nanoparticles, various methods are known which can not be discussed in detail here.
  • nanoparticles as filler with their magnetic, ferrimagnetic, ferromagnetic, antiferromagnetic or supraparamagnetic properties is particularly suitable for bonding a wide variety of plastic materials, the filler containing nanoscale, magnetic or oxidic particles, which may consist of aggregated primary particles or wherein the filler consists of Ferrites, oxides or mixed metal oxides may exist.
  • the particle size is typically between 1 and 500 nm, in particular between 2 and 100 nm.
  • excitation of the nanoparticles can be effected by microwave radiation at a frequency of 1.5 to 10 GHz, preferably in the range of 2 to 3 GHz, but other electromagnetic radiation can likewise be used by which the properties of the nanoparticles can also be utilized as fillers to a heating of the materials to be welded, preferably plastic materials leads.
  • various metals can be added as regrind to the plastic materials in enriched form, so that with the aid of an electromagnetic field, taking into account the resulting by the field change movements within the enriched material to a warming lead and thus can be used for welding various plastic materials.
  • an electromagnetic radiation should be used, which is typically in the resonance range of the nanoparticles or the ground material used in order to achieve a high energy input, whereby by targeted addition of nanoparticles, a change in the resonant frequency can take place.
  • nanoparticles or millbase here is that it can be dispensed with the use of transparent plastic materials and instead optionally inexpensive plastic material can be used with appropriate enrichment.
  • enrichments of nanoparticles typically 1 to 5%, preferably 2 to 3%, are sufficient in order to carry out welding by means of an induction device or microwave irradiation.
  • regrind in particular finely ground metal (metal dust) is also suitable because of the dipole effect for compounds.
  • a high level of safety is subsequently ensured by the microwave irradiation or induction welding due to the energy sources used.
  • 3 is a sectional side view of a welded connection with the welder
  • 4 is a sectional schematic side view of a hand welder with a supply of the welding means for connecting the welding means with a partially made of plastic wall
  • FIG. 6 is a sectional side view of a welder produced with the welder welding means
  • FIG. 7 is a sectional schematic side view of a hand welder for producing the welding means according to Figure 6,
  • FIG. 8 shows in a further sectional side view according to FIG. 7 the welding of the welding agent
  • FIG. 10 is a sectional schematic side view of a hand welder in a two-stage embodiment and the supply of welding means for welding the liner films,
  • FIG. 11 shows in two further sectional side views according to FIG. 10 the welding of the welding means according to FIG. 6,
  • FIG. 13 is a sectional schematic side view of a hand welder, which is used to a welding agent in Form a substrate and an absorbent coating with a plastic coating,
  • FIG. 14 is a sectional schematic side view of a hand welder which is used to weld a second absorbent coating by means of a non-heat sealable Teflon tape so that it can be welded to a second liner film;
  • FIG. 15 is a sectional perspective view of the attachment of a second liner film after welding of an absorbent coating by means of the hand welding apparatus according to Figure 14,
  • FIG. 16 is a sectional side view of the use of a welding agent as shown in FIG. 12;
  • 17 is a sectional schematic side view of a two-stage hand welding device which is used to weld a carrier material with an absorbent coating on a plastic coating and then to weld the carrier material again with an absorbent coating on the top.
  • FIG. 18 is a sectional perspective view of the attachment of a second liner film by means of a two-stage hand welder according to Figure 17,
  • FIG. 19 is a side view of a welding agent consisting of carrier material and absorbent coating
  • Fig. 20 shows the production of the welding agent in a partially sectioned schematic side view
  • FIG. 21 shows a further schematic side view according to FIG. 20.
  • FIG. 1 shows, in a partially sectioned side view, a hand welding device 100 according to the invention which consists essentially of a drive means 101 for the welding means 102, an electromagnetic radiation head 103 and a pressure element 104 and a hand rest 105.
  • the handheld scraper 100 serves to fix the welding agent 102 on a plastic coating 106 by means of a welding process.
  • the plastic coating 106 rests on a supporting wall 107, which can be arranged both vertically and horizontally.
  • the existing plastic coating 106 is hereby generally adapted to the carrier material 108 of the welding agent 102 with regard to the material used.
  • the welding agent 102 is supplied by first guide elements 111 to a pressure roller pair 112 and forwarded by second guide elements 113 in the joining region 110.
  • the pressure roller pair 112 is driven by a motor 114 by an electric motor, so that a continuous supply of the welding agent 102 by means of the pressure roller pair 112 takes place. Due to the fact that the hand welder 100 forms a compact structural unit consisting of pinch roller pair 112 with electric drive motor 114, first guide elements 111, second guide elements 113 and the pressure element 104 as well as the radiation head 103 and a hand rest 105, the propulsion of the hand welding device 100 along one to be welded plastic coating 106 guaranteed.
  • a hand rest 105 it is possible for the operator to control the guidance of the hand welding device 100, wherein it simultaneously generates a contact pressure on the hand rest 105, which is transmitted via a spring 115 directly to the pressure element 104.
  • the radiation head 103 of the electromagnetic radiation 117 in the joint area 110 emits.
  • a funnel-shaped housing wall 118 is provided, which ends immediately above the pressure element 104, so that the radiation only reaches the joint area 110.
  • the pressure element 104 is part of the hand welding device 100 in the illustrated embodiment and has an opening 119 through the electromagnetic radiation 117 passes into the joining region 110.
  • the pressure element 104 permeable to electromagnetic radiation so that it can be a closed pressure element 104.
  • the hand rest 105 is shown in the right-hand illustration in the unloaded state, whereas in the left-hand depiction the manual rest 105 is pressed down against the spring force 115 by the manual pressure force, whereby the force is transmitted to the pressure element 104 and thus to the joining region 110.
  • the leadership of the manual welder 100 takes place.
  • Figure 2 shows in a partially sectioned view of the invention welder 100 in a plan view from which the plastic coating 106 can be seen and the welding agent 102 after welding with the plastic coating 106.
  • Part of the hand welder 100 is the hand rest 105 and the bell-shaped housing wall 118; the drive motor 114 for the Andruckrollencru 112 and a housing 120, which receives the components of the welder 100.
  • FIG. 3 shows, in a sectional side view, a wall 1, consisting of a container wall 2 with a plastic coating 3, onto which an inliner film 4, 5 is glued or welded.
  • the seam region 6 of the inliner film 4, 5 is sealingly welded by means of a welding means 7, wherein the welding means 7 consists of a carrier material 8 and an absorbent coating 9.
  • FIG. 4 shows, in a sectional side view, the schematic representation of a hand welding device 10, which is provided for welding on a welding means 7.
  • the welding agent 7 is welded by means of the welder 10 on a wall 11.
  • the wall 11 consists of a container wall 12 and a plastic coating 13, which are glued together by an adhesive layer 14.
  • the welding means 7 is welded in strip form, so that, for example, in a subsequent step, a second liner foil can be welded.
  • the welding means 7 consists of a carrier material 8 and an absorbent coating 9, which in the exemplary embodiment shown are unwound independently of one another from a supply roll, not shown, and supplied to the hand welding device 10.
  • a pinch roller pair 15 is provided, which ensures a uniform transport of the carrier material 8.
  • the hand welder 10 has a radiation head, not shown, which introduces electromagnetic radiation into the joint area and a pressure element 16, which rests directly on the carrier material 8 in order to achieve a necessary contact pressure.
  • the contact pressure is achieved, for example, by means of a hand rest 17, wherein the hand rest 17 transmits the contact pressure to the pressure element 16 via a spring 18, so that the contact pressure for connecting the welding agent 7 to the plastic coating 13 is sufficient for the time of the plastification.
  • electromagnetic radiation is introduced directly into the joining area using the hand welder 10 and provides for a partial plasticization of both the carrier material 8, the welding means 7 and the plastic coating 13.
  • the peculiarity of this method is that both the carrier material 8 and the Plastic coating 13 is plasticized only slightly in the surface region of the sides facing each other, so that neither the plastic coating 13 nor the substrate 8 is deformed.
  • FIG. 5 shows, in another sectional schematic side view, the hand welder 10 known from FIG. 3, which is used for welding the welding means 7, consisting of the carrier material 8 and the absorbent coating 9 according to FIG.
  • FIG. 6 shows, in a sectional side view, a welding means 20 which consists of a carrier material 21 and an absorbent coating 22 and an electrically conductive material 23.
  • FIG. 7 shows, in a sectional schematic view, the hand welder 10 known from FIG. 4, which is used for welding the welding means 20, consisting of a carrier material 21 and an absorbent coating 22.
  • the conductive material 23 is supplied below the welding means 20 and connected to the welding agent 20.
  • a counter-holder 19 is used to bring the contact pressure in the joint area.
  • FIG. 8 shows, in a further sectional side view, the arrangement of the hand welding device 10 according to FIG. 7 relative to the anvil 19.
  • FIG. 9 shows a sectional side view of the arrangement of the welding means 20 with conductive material 23 in a butt joint 25 of the inliner materials 26, 27.
  • Figure 10 shows in a sectional schematic view of a two-stage hand welder 30 with two pressure elements 31, 32 and a hand rest 33 and a spring 34 for transmitting the contact pressure on the two pressure elements 31, 32. Furthermore, the hand welder 30 has two electromagnetic radiation heads in this schematic view, however, are indicated only by the lightning arrows 35.
  • the welding means 20 corresponds to the welding means 20 known from FIG. 6 with a carrier material 21 and an absorbing coating 22 as well as a electrically conductive material 23. Both the substrate 21 and the absorbent coating 22 and the conductive material 23 are unwound from supply rolls, not shown, and individually supplied to the welder 30, wherein in a first welding process, the carrier material 21 is connected to the absorbent coating 22. Below the pressure element 31 is a counter-holder 36. After the connection of the carrier material 21 with the absorbent coating 22, the further connection of the conductive material 23 with the welding agent 20, wherein a counter-holder 37 is used.
  • FIG. 11 shows, in two further side views, the hand welding device 30 above the welding means 20 and the counter holders 36, 37.
  • FIG. 12 shows, in a perspective side view, a special arrangement of the materials to be welded, namely an inliner foil 41 is first applied on a housing wall 40 by means of an adhesive bond 42 or a weld.
  • inliner films 41 which are applied in a plurality of webs to the housing wall 40 and in the illustrated embodiment have a butt joint 43.
  • a welding agent 45 is arranged, which consists of a carrier material 46 with a first absorbent coating 47 and a second absorbent coating 48.
  • the first absorbent coating 47 rests on the inliner films 41 and serves to weld the carrier material 46 to the inliner films 41 with the aid of the absorbent coating 47.
  • the second absorbent coating 48 serves to bond the welding agent 45 to a second inliner film 49.
  • FIG. 13 shows, in a partially sectioned schematic side view, a manual welder 10, which is known, for example, from FIG.
  • the hand welding apparatus 10 is supplied with a carrier material 46 and an absorbent coating 47, which is provided for welding to a plastic coating 50.
  • the plastic coating 50 is part of a wall surface, which consists of a supporting wall 51 and the plastic coating 50.
  • the supply of the absorbent coating 47 and the carrier material 46 is carried out separately, respectively, wherein a pinch roller pair 15 is provided for transporting the carrier material 46. If necessary, further pressure rollers can also be provided for transporting the absorbent coating 47.
  • welding of the welding agent 45 to the plastic coating 50 takes place in a first operation.
  • FIG. 14 also shows, in a cut-away schematic view, the hand welding device 10 for welding an absorbent coating 48 in a second operation with the aid of a Teflon tape 54, wherein the Teflon tape 54 is removed again and only required for applying the second absorbent coating 48.
  • FIG. 15 shows, in a cutaway perspective view, the hand welder 10 from which the welding agent 45 is provided with an additional coating 48, which subsequently serves to weld a plastic material, here an inliner foil 49, onto the welding means 45 with the same hand welder 10 ,
  • FIG. 16 shows the welded connection known from FIG. 12, wherein a two-stage hand welding device 30 is used to produce this welded connection.
  • FIG. 17 shows, in a sectional schematic view, the two-stage hand welding device 30 known from FIG. 8, which is provided for welding according to FIG.
  • the hand welder 30 has the two pressure elements 31, 32, which achieve the necessary contact pressure via a hand rest 33 and a spring 34, while the radiation head, not shown, is symbolized by the lightning arrows 35.
  • the welding apparatus 30 is supplied with the welding agent 45, which consists of a carrier material 46 and a first absorbent coating 47, so that with the aid of the pressure element 31 and the associated radiation head, a first welding of the carrier material 46 via the absorbent coating 47 with a plastic coating 50.
  • the plastic coating 50 is part of a wall 51, which may consist of metal or fiberglass 52, on the plastic coating 50 is attached by means of an adhesive or welding layer 53.
  • the absorbent coating 47 serves to weld the carrier material 46 to the plastic coating 50 in a first working step, while the hand welding device 30 directly welds the second absorbent coating 48 on the second side of the carrier material 46 in a second working step.
  • an inliner film can then be directly welded onto the welding means 45 with the aid of the single-stage hand welding device 30.
  • FIG. 18 shows, in a cutaway perspective view, the arrangement of the wall 51 with welding agent 45, on the one hand in the abutment region of the first plastic coating 50 and at a distance thereof a second welding agent 45 for further attachment of a second inliner foil 49, wherein in each case between the plastic coating 50 and the Welding agent 45 and the inliner 49, the absorbent coatings 47, 48 are arranged.
  • FIG. 19 shows in a sectional side view a welding means 7, which is already known from FIG.
  • the welding means 7 consists of a carrier material 8 and an absorbent coating 9.
  • FIG. 20 shows the production of the welding means 7 in a sectional schematic side view with the aid of a hand welding device 10.
  • the hand welding device 10 is used with the known structure to weld the substrate 8 with the absorbent coating 9.
  • a counter-holder 19 which only receives the contact pressure and is not intended for welding.
  • the counter-holder may for example consist of Teflon or a similar material.
  • FIG. 21 shows the arrangement known from FIG. 20 in a further sectional diagrammatic side view from which the structural design of the welding means 7 is again apparent in Figure 19, wherein the connection between the carrier material 8 and the absorbent coating 9 by means of the hand welder 10 according to FIG 20 takes place.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Optics & Photonics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un appareil de soudage à main (100) permettant en particulier de réaliser un joint soudé entre des matériaux plastiques fixés contre une paroi (107), ledit appareil comportant au moins un élément de pression (104) et au moins une tête à rayonnement électromagnétique (103), un joint pouvant être réalisé à l'aide d'un moyen de soudage (102). L'appareil de soudage à main (100) permet en particulier de souder des matériaux plastiques, par exemple des feuilles de revêtement intérieur, de manière avantageuse à l'aide d'un moyen de soudage (102), seul un faible apport d'énergie étant nécessaire et la feuille de revêtement intérieur ainsi que le moyen de soudage (102) n'étant plastifiés que sur une zone limitée de la section transversale. Le but de l'invention est de faciliter le travail. A cet effet, l'appareil de soudage à main (100) est avancé par l'intermédiaire du moyen de soudage (102) qui peut être amené par un moyen d'entraînement (101).
EP09765453A 2008-06-20 2009-06-18 Appareil de soudage à main Withdrawn EP2293922A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008029007A DE102008029007A1 (de) 2008-06-20 2008-06-20 Handschweißgerät
PCT/DE2009/000847 WO2009152817A2 (fr) 2008-06-20 2009-06-18 Appareil de soudage à main

Publications (1)

Publication Number Publication Date
EP2293922A2 true EP2293922A2 (fr) 2011-03-16

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EP09765453A Withdrawn EP2293922A2 (fr) 2008-06-20 2009-06-18 Appareil de soudage à main

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EP (1) EP2293922A2 (fr)
DE (1) DE102008029007A1 (fr)
WO (1) WO2009152817A2 (fr)

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Publication number Priority date Publication date Assignee Title
JP5427434B2 (ja) * 2009-02-26 2014-02-26 日東電工株式会社 シート接続体の製造方法
EP3431265B1 (fr) * 2017-07-18 2024-02-14 Leister Technologies AG Procédé d'étanchéification et de raccordement ainsi que dispositif d'étanchéification et de raccordement pour arêtes de bord d'éléments de revêtement de sol en matière plastique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0248929A (ja) * 1988-08-10 1990-02-19 Noritsu Kenkyu Center:Kk 合成樹脂材の自動溶接装置

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
DE2426154B2 (de) * 1974-05-29 1978-12-14 Schlegel Engineering Gmbh, 2000 Hamburg Verfahren zum kontinuierlichen Überlappungsverschweißen von Kunststoff-Folien oder -Tafeln
ZA774427B (en) * 1977-07-22 1978-10-25 Gfa Flaechenabdichtung Gmbh Continuous welding method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0248929A (ja) * 1988-08-10 1990-02-19 Noritsu Kenkyu Center:Kk 合成樹脂材の自動溶接装置

Non-Patent Citations (1)

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Title
See also references of WO2009152817A2 *

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DE102008029007A1 (de) 2009-12-24
WO2009152817A2 (fr) 2009-12-23
WO2009152817A3 (fr) 2010-07-01

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