DE102015013439A1 - Method and device for welding profile bars made of plastic - Google Patents
Method and device for welding profile bars made of plastic Download PDFInfo
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- DE102015013439A1 DE102015013439A1 DE102015013439.6A DE102015013439A DE102015013439A1 DE 102015013439 A1 DE102015013439 A1 DE 102015013439A1 DE 102015013439 A DE102015013439 A DE 102015013439A DE 102015013439 A1 DE102015013439 A1 DE 102015013439A1
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- welding
- welding mirror
- mirror
- window frame
- bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/326—Shaping the burr, e.g. by the joining tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/022—Particular heating or welding methods not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
- B29C65/242—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool the heat transfer being achieved by contact, i.e. a heated tool being brought into contact with the welding tool and afterwards withdrawn from it
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
- B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/116—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/324—Avoiding burr formation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—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
- B29C66/524—Joining profiled elements
- B29C66/5243—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—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
- B29C66/524—Joining profiled elements
- B29C66/5243—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces
- B29C66/52431—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces with a right angle, e.g. for making L-shaped pieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
- B29C66/91641—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time
- B29C66/91643—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time following a heat-time profile
- B29C66/91645—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time following a heat-time profile by steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
- B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/001—Profiled members, e.g. beams, sections
- B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
- B29L2031/005—Profiled members, e.g. beams, sections having a profiled transverse cross-section for making window frames
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/9604—Welded or soldered joints
- E06B3/9608—Mitre joints
Abstract
Die Erfindung bezieht sich auf ein Verfahren zum Verschweißen von zwei hohlen Profilstäben aus Kunststoff zur Bildung eines Fensterrahmens, bei dem die miteinander zu verbindenden Profilstäbe durch Einfügen eines Schweißspiegels zwischen deren Verbindungsflächen und Anpressen derselben an den Schweißspiegel unter Bildung eines Schweißwulstes auf eine vorgegebene Temperatur erhitzt und nach dem Entfernen des Schweißspiegels bei gleichzeitiger Vergrößerung des Schweißwulstes unter Druck zusammengefügt werden. Um zumindest einen Teil des Aufwandes für die Beseitigung der sichtbaren und somit störenden Schweißraupen zu vermeiden, die Zeit für die Fertigung eines Fensterrahmens zu verringern und die Entstehung einer Schattennut auszuschließen, werden nach dem Entfernen des Schweißspiegels die an den Sichtflächen des späteren Fensterrahmens im Bereich der Verbindungsstellen der beiden Profilstäbe entstandenen äußeren Teile der Schweißwülste nach innen gepresst, danach wird der Schweißspiegel erneut zwischen die Verbindungsflächen der Profilstäbe bewegt und die Verbindungsflächen werden bei gleichzeitiger Verformung der nach innen gepressten Schweißwülste nacherhitzt und schließlich werden nach dem Entfernen des Schweißspiegels die Verbindungsflächen der beiden Profilstäbe zusammengefügt.The invention relates to a method for welding two hollow profile rods made of plastic to form a window frame, wherein the profile bars to be joined heated by inserting a welding mirror between the connecting surfaces and pressing them to the welding mirror to form a Schweißwulstes to a predetermined temperature and after removal of the welding mirror with simultaneous enlargement of the welding bead are joined together under pressure. In order to avoid at least a portion of the effort for the removal of the visible and thus disturbing weld beads to reduce the time for the production of a window frame and exclude the emergence of a shadow, are after removing the welding mirror on the visible surfaces of the later window frame in the Connecting points of the two profiled bars resulting outer parts of the weld beads pressed inwards, then the welding mirror is moved again between the connecting surfaces of the profiled bars and the connecting surfaces are reheated with simultaneous deformation of the internally pressed Schweißwülste and finally, after removing the welding mirror, the connecting surfaces of the two profiled bars together.
Description
Die Erfindung bezieht sich auf ein Verfahren zum Verschweißen von zwei hohlen Profilstäben aus Kunststoff zur Bildung eines Fensterrahmens, bei dem die miteinander zu verbindenden Profilstäbe durch Einfügen eines Schweißspiegels zwischen deren Verbindungsflächen und Anpressen derselben an den Schweißspiegel unter Bildung eines teilweise äußeren Schweißwulstes auf eine vorgegebene Temperatur erhitzt und nach dem Entfernen des Schweißspiegels bei gleichzeitiger Vergrößerung des Schweißwulstes unter Druck zusammengefügt werden sowie auf eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a method for welding two hollow profile rods made of plastic to form a window frame, wherein the profile bars to be joined together by inserting a welding mirror between the connecting surfaces and pressing them to the welding mirror to form a partially outer Schweißwulstes to a predetermined temperature heated and after removal of the welding mirror with simultaneous enlargement of the weld bead are joined together under pressure and to a device for carrying out the method.
Zur Herstellung von Fensterrahmen aus durchgehende Kammern aufweisenden Profilstäben aus Kunststoff sind Schweißvorrichtungen bekannt, mit denen – je nach Ausgestaltung der Fertigungsvorrichtung – eine Ecke, zwei Ecken oder alle vier Ecken eines Fensterrahmens gleichzeitig zusammengeschweißt werden können. Dabei besitzt jede Schweißvorrichtung für jede Ecke einen Schweißkopf mit einem beheizbaren Schweißspiegel sowie für jeden Profilstab eine Spanneinheit. Jede Spanneinheit weist dabei eine obere und eine untere Begrenzungsrampe auf, zwischen denen jeweils ein Profilstab gehalten ist.For the production of window frames from continuous chambers having profiled bars made of plastic welding devices are known with which - depending on the configuration of the manufacturing device - a corner, two corners or all four corners of a window frame can be welded together simultaneously. Each welding device has a welding head with a heated welding mirror for each corner and a clamping unit for each profile bar. Each clamping unit has an upper and a lower boundary ramp, between each of which a profile bar is held.
Für den eigentlichen Schweiß- bzw. Fügevorgang werden zunächst die beiden Profilstäbe, die an jedem Ende etwa 3 mm länger sind als die Maße des fertigen Fensterrahmens, aufeinander ausgerichtet und in einer Lage gesichert, in der die beiden Verbindungsflächen so weit voneinander gehalten sind, dass der auf eine vorgegebene Temperatur erhitzte Schweißspiegel zwischen dieselben eingeführt werden kann. Sodann werden die Verbindungsflächen der beiden Profilstäbe gegen den Schweißspiegel gepresst und so weit angeschmolzen, dass sich die Länge der Profilstäbe um etwa 2 mm verringert. Dabei entsteht bei diesem Pressvorgang in allen Bereichen der Profilstäbe ein erster Teil einer sogenannten Schweißwulst. Danach werden die Profilstäbe kurzzeitig vom Schweißspiegel zurückgezogen, so dass derselbe wieder in seine Ausgangslage zurückkehren kann. Anschließend werden die erhitzten Verbindungsflächen der beiden Profilstäbe erneut gegeneinander gepresst, wobei sich der vorerwähnte Schweißwulst vergrößert und gleichzeitig die Länge der Profilstäbe weiter um etwa 1 mm verkürzt, so dass dieselben bereits an den geschweißten bzw. zusammengefügten Enden das für den Fensterrahmen vorgegebene Endmaß erreicht haben.For the actual welding or joining process, first the two profile bars, which are about 3 mm longer at each end than the dimensions of the finished window frame, aligned and secured in a position in which the two connecting surfaces are so far apart that the heated to a predetermined temperature welding mirror between them can be introduced. Then the joining surfaces of the two profiled bars are pressed against the welding mirror and fused so far that the length of the profiled bars is reduced by about 2 mm. During this pressing process, a first part of a so-called welding bead is produced in all areas of the profiled bars. Thereafter, the profile bars are briefly withdrawn from the welding mirror, so that the same can return to its original position. Subsequently, the heated connecting surfaces of the two profiled bars are pressed against each other again, whereby the aforementioned weld bead increases and at the same time further shortens the length of the profiled bars by about 1 mm, so that they have already reached the final dimensions specified for the window frame at the welded or joined ends ,
Die durch das Zusammenfügen der Profilstäbe im Bereich der Verbindungsflächen entstandenen Schweißwulste sind nicht nur umlaufend außen, sondern auch an allen im Inneren der Profilstäbe befindlichen Stegen vorhanden. Diese Schweißwulste können teilweise scharfkantig sein und ergeben an den sichtbaren Flächen des späteren Fensterrahmens kein schönes Aussehen. Deshalb werden diese Schweißwulste zumindest an den sichtbaren Flächen des geschweißten bzw. zusammengefügten Fensterrahmens entfernt. Dies erfolgt mittels besonderer Messer und/oder Fräser an der Ober- bzw. Vorderseite und an der Unter- bzw. Rückseite des geschweißten Fensterrahmens in mindestens einem nachfolgenden, zusätzlichen Arbeitsvorgang, wobei meist eine sogenannte Schattennut entsteht. Durch diese zusätzlichen Arbeitsgänge erhöht sich nicht nur zwangsläufig die Zeit für die Fertigung eines Fensterrahmens, sondern es wird auch eine zusätzliche Vorrichtung benötigt. Darüber hinaus weist eine Schattennut eine gegenüber der sonstigen Oberfläche des Fensterrahmens eine etwas rauere Oberfläche auf, die die Ablage von Schmutzpartikeln begünstigt.The resulting by the joining of the profile bars in the region of the connecting surfaces Schweißwulste are not only circumferentially outside, but also at all located in the interior of the profile bars webs available. These Schweißwulste can be partially sharp and give no apparent appearance on the visible surfaces of the later window frame. Therefore, these weld beads are removed at least on the visible surfaces of the welded window frame. This is done by means of special knives and / or cutters on the top or front and on the bottom or back of the welded window frame in at least one subsequent additional operation, usually a so-called shadow groove is formed. These additional operations not only inevitably increases the time required to manufacture a window frame, but also requires an additional device. In addition, a shadow groove has a slightly rougher surface than the other surface of the window frame, which favors the deposition of dirt particles.
Der Erfindung liegt nun die Aufgabe zugrunde, ein Verfahren und eine dafür anwendbare Vorrichtung zum Verschweißen von zwei der Bildung eines Fensterrahmens dienenden Profilstäben aus Kunststoff so auszubilden, dass zumindest ein Teil des Aufwandes für die Beseitigung der sichtbaren und somit störenden Schweißraupe vermieden und zusätzlich die Zeit für die Fertigung eines Fensterrahmens verringert wird. Die Entstehung einer Schattennut soll ausgeschlossen sein.The invention is based on the object, a method and an applicable device for welding two of the formation of a window frame serving profile bars made of plastic so that at least a portion of the effort for the removal of the visible and thus disturbing weld bead avoided and additionally the time is reduced for the manufacture of a window frame. The emergence of a shadow groove should be excluded.
Zur Lösung dieser Aufgabe wird gemäß der Erfindung bei dem eingangs beschriebenen Verfahren vorgeschlagen, dass nach dem Entfernen des Schweißspiegels die an den Sichtflächen des späteren Fensterrahmens im Bereich der Verbindungsstellen der beiden Profilstäbe entstandenen äußeren Teile der Schweißwülste nach innen gepresst werden, dass danach der Schweißspiegel erneut zwischen die Verbindungsflächen der Profilstäbe bewegt wird und die Verbindungsflächen bei gleichzeitiger Verformung der nach innen gepressten Schweißwülste nacherhitzt werden und dass schließlich nach dem Entfernen des Schweißspiegels die Verbindungsflächen der beiden Profilstäbe zusammengefügt werden.To solve this problem is proposed according to the invention in the method described above, that after removing the welding mirror resulting from the visible surfaces of the later window frame in the region of the joints of the two profile bars outer parts of the weld beads are pressed inwards, that after the welding mirror again is moved between the connecting surfaces of the profiled bars and the connecting surfaces are reheated with simultaneous deformation of the internally pressed Schweißwülste and that finally after the removal of the welding mirror, the connecting surfaces of the two profiled bars are joined together.
Durch ein solches Verfahren und die das Verfahren ausführende Vorrichtung wird erreicht, dass zumindest an der Ober- bzw. Vorderseite und an der Unter- bzw. Rückseite der zusammengefügten Profilstäbe bzw. des fertigen Fensterrahmens keine sichtbaren Schweißwulste mehr vorhanden sind. Der zu ihrer Beseitigung erforderliche vorrichtungsmäßige und zeitliche Aufwand entfällt und die Zeit für die Fertigung eines Fensterrahmens verringert sich. Die bisher durch das Entfernen der Schweißwulste entstandene Schattennut ist nicht mehr vorhanden, so dass sich an dieser Verbindungsstelle keinerlei Schmutzpartikel ablagern können.By means of such a method and the device carrying out the method, it is achieved that no visible weld beads are present any more at least on the top or front side and on the bottom or rear side of the assembled profile bars or of the finished window frame. The time required for their removal device and time required and the time for the production of a window frame is reduced. The previously incurred by removing the Schweißwulste shadow groove is no longer available, so that can deposit any dirt particles at this junction.
Die Erfindung wird nachfolgend anhand eines in einer Zeichnung in stark vereinfachter Weise dargestellten Ausführungsbeispiels näher erläutert.The invention will be explained in more detail with reference to an embodiment shown in a drawing in a greatly simplified manner.
Dabei zeigen die
In den
Der vorerwähnte Schweißkopf nimmt nun, wie nur die
Für die Einleitung des Schweiß- bzw. Fügevorganges wird der sich normalerweise außerhalb des Bereiches der Profilstäbe
Direkt danach wird der Schieber
Sobald der Schweißspiegel seine Lage zwischen den beiden Profilstäben
Bekanntlich sind die Profilstäbe aus Kunststoff zur Bildung eines Fensterrahmens an der oberen bzw. vorderen Fläche desselben selten vollkommen eben ausgebildet. Meist ist am inneren und/oder äußeren Rand eine Schräge oder eine Abrundung vorhanden. Um auch in diesen Bereichen sicher zu stellen, dass dort kein äußerer Schweißwulst mehr entstehen wird, kann beispielsweise der Schieber
Claims (8)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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DE102015013439.6A DE102015013439B4 (en) | 2015-10-15 | 2015-10-15 | Process and device for welding profile bars made of plastic |
PL416840A PL227776B1 (en) | 2015-10-15 | 2016-04-13 | Method for pressure welding of two hollow profiled bars and the device for pressure welding of two hollow profiled bars |
BE2016/5261A BE1023591B1 (en) | 2015-10-15 | 2016-04-15 | Process for shaving two hollow profiled plastic rods and apparatus for carrying out the method |
CN201610266135.1A CN106584863B (en) | 2015-10-15 | 2016-04-26 | Method and device for welding plastic profiled bars |
ITUA2016A003484A ITUA20163484A1 (en) | 2015-10-15 | 2016-05-16 | Process and device for welding plastic profiles |
TR2016/14399A TR201614399A2 (en) | 2015-10-15 | 2016-10-13 | Methods and equipment for welding plastic profile bars. |
CA2945712A CA2945712A1 (en) | 2015-10-15 | 2016-10-17 | Welding method and device |
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DE102015013439.6A DE102015013439B4 (en) | 2015-10-15 | 2015-10-15 | Process and device for welding profile bars made of plastic |
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DE102015013439A1 true DE102015013439A1 (en) | 2017-04-20 |
DE102015013439B4 DE102015013439B4 (en) | 2022-10-13 |
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DE102015013439.6A Active DE102015013439B4 (en) | 2015-10-15 | 2015-10-15 | Process and device for welding profile bars made of plastic |
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CN (1) | CN106584863B (en) |
BE (1) | BE1023591B1 (en) |
CA (1) | CA2945712A1 (en) |
DE (1) | DE102015013439B4 (en) |
IT (1) | ITUA20163484A1 (en) |
PL (1) | PL227776B1 (en) |
TR (1) | TR201614399A2 (en) |
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EP3542996A1 (en) * | 2018-03-19 | 2019-09-25 | Urban GmbH & Co. Maschinenbau KG | Method and device for processing a frame or sub-frame |
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WO2022048872A1 (en) * | 2020-09-07 | 2022-03-10 | Rotox Besitz- Und Verwaltungsgesellschaft Mbh | Method and device for welding at least two profiled sections for window or door frames or leaves |
Also Published As
Publication number | Publication date |
---|---|
PL227776B1 (en) | 2018-01-31 |
BE1023591A1 (en) | 2017-05-10 |
PL416840A1 (en) | 2017-04-24 |
CA2945712A1 (en) | 2017-04-15 |
CN106584863B (en) | 2020-10-02 |
BE1023591B1 (en) | 2017-05-10 |
CN106584863A (en) | 2017-04-26 |
ITUA20163484A1 (en) | 2017-11-16 |
DE102015013439B4 (en) | 2022-10-13 |
TR201614399A2 (en) | 2017-02-21 |
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