DE1763171U - ELECTRICALLY HEATED PLASTIC WELDING DEVICE. - Google Patents

ELECTRICALLY HEATED PLASTIC WELDING DEVICE.

Info

Publication number
DE1763171U
DE1763171U DEA11056U DEA0011056U DE1763171U DE 1763171 U DE1763171 U DE 1763171U DE A11056 U DEA11056 U DE A11056U DE A0011056 U DEA0011056 U DE A0011056U DE 1763171 U DE1763171 U DE 1763171U
Authority
DE
Germany
Prior art keywords
plastic welding
welding device
switch
chamber
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEA11056U
Other languages
German (de)
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.)
AUTOGENWERK ZINSER
Original Assignee
AUTOGENWERK ZINSER
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 AUTOGENWERK ZINSER filed Critical AUTOGENWERK ZINSER
Priority to DEA11056U priority Critical patent/DE1763171U/en
Publication of DE1763171U publication Critical patent/DE1763171U/en
Expired 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
    • 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
    • B29C66/01—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
    • B29C66/70—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
    • 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
    • B29C66/8167—Quick change joining tools or surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • 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
    • B29C66/90—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
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • 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
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91212—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods involving measurement means being part of the welding jaws, e.g. integrated in the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

Autogenwerk ZINSER, Ebersbach (Fils) Elektrisch beheiztes Kunststoffschweissgerät Die Erfindung betrifft ein elektrisch beheiztes Kunststoffschweissgerät.Autogenwerk ZINSER, Ebersbach (Fils) Electrically heated plastic welding machine The invention relates to an electrically heated plastic welding device.

Es sind bereits elektrisch beheizte Kunststoffschweissgeräte mit einem an eine Druckluftquelle anschliessbaren, den Schweisseinsatz tragenden Gehäuse bekannt, in dessen Inneren@ eine von dem Luftstrom bestrichene1elektrische Beheizungseinrichtung, beispielsweise ein Heizwiderstand, angeordnet ist. There are already known electrically heated plastic welding devices with a housing that can be connected to a compressed air source and carrying the welding insert, in the interior of which an electrical heating device, for example a heating resistor, is arranged is.

Es kann beim Schweissen bestimmter Kunststoffarten wichtig sein, die Schweisstemperatur auf einer ganz bestimmten Höhe zu halten. So müssen Kunststoffe mit einem niedrigen Fliesspunkt bei niedrigeren Lufttemperaturen als solche mit einem hohen Fliesspunkt geschweisst werden, um zu vermeiden, dass der Kunststoff verbrennt. Die Kunststoffe mit hohem Fliesspunkt dagegen müssen bei entsprechend höherer Temperatur geschweißt werden, um eine ausreichende Festigkeit an den Schweißstellen zu erhalten. Bei den bekannten Kunststoffsohweisageräten wird die Sohweisstemperatur dadurch geregelt, dass der die Beheizungseinrichtung bestreichende Luftstrom, beispielsweise mit Hilfe eingebauter Drosselklappen, Schieber und dergleichen. oder durch Änderung der Drehzahl des Drucklufterzeugers, gedrosselt oder verstärkt wird.It can be important when welding certain types of plastic that the Welding temperature at a very specific level to keep. So need plastics with a low pour point at lower air temperatures be welded as such with a high pour point in order to avoid that the plastic burns. The plastics with a high pour point, on the other hand, have to be be welded at a correspondingly higher temperature in order to achieve sufficient strength to get at the welds. With the known plastic welding devices the so-called welding temperature is regulated by the fact that the heating device is brushed Air flow, for example with the help of built-in throttle valves, slides and the like. or by changing the speed of the compressed air generator, throttled or increased will.

Diese Ausführungsformen sind jedoch unvorteilhaft, weil die pro Zeiteinheit erzeugte Wärmemenge konstant ist und bei schwachem Luftstrom nur teilweise abgeleitet wird, wodurch sich das Gerät übermäßig aufheizt. Der Erfindung liegt nun die Aufgabe zugrunde, ein elektrisch beheiztes Kunststoffschweissgerät zu schaffen, bei dem auf einfache Weise die Temperatur des aus der Schweissdüse austretenden Luftstromes geregelt werden kann ; und dies wird dadurch erreichte dass im Gehäuse ein von aussen mit Hilfe eines Schaltgriffes betätigbarer Schalter zur stufenweisen Verstellung der Beheizungseinrichtung vorgesehen ist. Der Schalter kann dabei beliebig, beispielsweise als Kippschalter, ausgebildet sein, doch ist es vorteilhaft, wenn der Schalter ein Drehschalter mit radial angeordnetem Griff ist, dessen eines Ende durch eine Öffnung des Gehäuses nach aussen ragt. Um das Gehäuse auf einfache Weise nach aussen abzudichten und das Entweichen von Druckluft zu vermeiden, wird die Öffnung möglichst klein gehalten, beispielsweise als schmaler Schlitz ausgebildet. und vorteilhaft mit einer Gummi-oder Kunststoffdichtung versehen.However, these embodiments are disadvantageous in that they are per unit time The amount of heat generated is constant and only partially dissipated when the air flow is weak causing the device to heat up excessively. The invention now has the task based on creating an electrically heated plastic welding device in which the temperature of the air flow emerging from the welding nozzle can be regulated; and this is achieved by the fact that in the housing from the outside with the help of a switch handle operated switch for step-by-step adjustment the heating device is provided. The switch can be arbitrary, for example be designed as a toggle switch, but it is advantageous if the switch is a Rotary switch with a radially arranged handle, one end of which through an opening of the housing protrudes outwards. To seal the housing from the outside in a simple way and to avoid the escape of compressed air, the opening is as small as possible held, for example, designed as a narrow slot. and advantageous with one Rubber or plastic seal provided.

Um zu verhindern, dass der Drehschalter den Temperaturen des Warmluftstromes ausgesetzt wird, ist eine Anordnung des Drehschalters hinter der Beheizungseinrichtung vorteilhaft. Gleichzeitig können zur Vereinfachung des Gesamtaufbaues des Kunststoffschweissgerätes und zur Vereinfachung der Montage der Drehschalter und die Beheizungseinrichtung eine Baueinheit bilden. So kann beispielsweise der Mittelzapfen des Drehschalters in einer Richtung so weit verlängert und als mit Längsschlitz versehenes, federndes Rohr ausgebildet sein. Auf diese Verlängerung des Zapfens ist dann die mit einem entsprechenden Loch versehene Beheizungseinrichtung aufgesteckt und die Stromzuführdrähte sind mit dem Schalter entsprechend verbunden. Ferner ist es zweclcmässigg das Gehäuse zweiteilig zu machen, so dass es aus einer im wesentlichen zylindrischen, den Heizwiderstand umschließenden Kammer und aus einer zweiten, den Schalter umschliessenden Kammer besteht, in der gegebenenfalls ein Lüfterrad zur Druckerzeugung untergebracht isto Diese Ausführungsform hat den Vorteil, dass alle der Abnützung besonders unterliegenden Teile leicht zugänglich sind wenn beide Kammern voneinander getrennt werden.To prevent the rotary switch from changing the temperature of the hot air flow is exposed, the rotary switch is located behind the heating device advantageous. At the same time, to simplify the overall structure of the plastic welding device and to simplify the assembly of the rotary switch and the heating device form a unit. For example, the center pin of the rotary switch so far extended in one direction and provided with a longitudinal slot, resilient Be formed tube. On this extension of the pin is then with a corresponding hole provided heating device attached and the power supply wires are connected to the switch accordingly. It is also useful to make the housing in two parts, so that it consists of a substantially cylindrical, the heating resistor enclosing chamber and from a second, enclosing the switch Chamber consists in which, if necessary, a fan wheel for pressure generation is housed isto This embodiment has the advantage that all of them are particularly subject to wear and tear Parts are easily accessible when both chambers are separated from each other.

Eine einfache und sichere Verbindung beider Kammern wird erreicht, wenn an den Kammern radial nach innen und/oder aussen gerichtete Flansche vorgesehen werden. Die gegeneinander anliegenden Flansche werden mit Hilfe von die Flansche durchdringenden Schrauben gegeneinander gepresst. Dabei können die Schrauben zugleich zur Befestigung des Drehschalters dienen. Da die Druckluft möglichst unbehindert von der Druckluftquelle zur Beheizungseinrichtung strömen soll, ist der Drehschalter im Abstand von der Kammerinnenwand angeordnet. Dabei kann es vorteilhaft sein, wenn wenigstens eine der Schrauben zur Befestigung des Schalters verlängert ist und die Verlängerung in das Innere der Kammer ragt und der Drehschalter auf diese Weise, beispielsweise mit Hilfe einer entsprechenden Abstandshülse, gehalten ist.A simple and safe connection of both chambers is achieved, if radially inwardly and / or outwardly directed flanges are provided on the chambers will. The flanges lying against each other are made with the help of the flanges penetrating screws pressed against each other. The screws can be used at the same time serve to attach the rotary switch. Because the compressed air is as unobstructed as possible The rotary switch is to flow from the compressed air source to the heating device arranged at a distance from the inner wall of the chamber. It can be advantageous if at least one of the screws for fastening the switch is extended and the Extension protrudes into the interior of the chamber and the rotary switch in this way, is held, for example with the aid of a corresponding spacer sleeve.

Eine besonders günstige Konstruktion ergibt sich, wenn die zylindrische, die Beheizungseinrichtung einschliessende Kammer eine im radialen Abstand von der Innenfläche angeordnete Zwischenhülse aus vorzugsweise feuerfestem Material aufweist. Die Anordnung der Zwischenhülse schafft zwischen sich und der Kammerinnenwand einen der Wärmeisolierung dienenden Raum, der verhindert, dass die von der Beheizungeinrichtung erzeugte Wärme ungenutzt nach aussen durch die Kammerwand abgeleitet wird oder beim Arbeiten mit hohen Temperaturen die das Gerät bedienende Person Verbrennungen erleidet. Die Zwischenhülse weist dabei zweckmässig einen Flansch auf, der zwischen den Kammerflanschen befestigt ist. Um zu verhindern, dass Wärme und Druckluft zwischen den Flanschen nach aussen entweichens können beiderseits des Zwischenhülsenflansches wärmeisolierende Ringe vorgesehen sein. In der Zeichnung ist die Erfindung an einem Beispiel erläutert. Es zeigen : Fig 1 die Seitenansicht eines Gerätes gemaß der Erfindung teilweise im Schnitt nach Linie 1-1 der Fig. 2, Fig. 2 eine Teildraufsicht gemäss Fig. 1, teilweise aufgebrochen. und Fig. 3 einen Schnitt nach Linie 3-3 in Fig. 1.A particularly favorable construction results when the cylindrical, the heating device enclosing a chamber at a radial distance from the Has inner surface arranged intermediate sleeve of preferably refractory material. The arrangement of the intermediate sleeve creates one between itself and the inner wall of the chamber the space used for thermal insulation, which prevents the heating device from reaching generated heat is dissipated unused to the outside through the chamber wall or at Working at high temperatures can cause burns to the person operating the device. The intermediate sleeve expediently has a flange between the chamber flanges is attached. To prevent heat and compressed air from getting between the flanges Thermal insulation can escape to the outside on both sides of the intermediate sleeve flange Rings may be provided. The invention is explained using an example in the drawing. 1 shows a partial side view of a device according to the invention in section along line 1-1 of Fig. 2, Fig. 2 is a partial plan view according to FIG. 1, partially broken open. and FIG. 3 is a section along line 3-3 in Fig. 1.

Mit 10 ist als Ganzes ein Gehäuse bezeichnet, das zwei Kammern 11 und 12 aufweist, an denen Flansche 15 und 16 angeordnet sind und die mit Hilfe von Schrauben 17, 18 und 19, 20 miteinander dadurch verbunden sind, dass die Schrauben die Flansche durchgreifen und gegeneinander pressen. In der Kammer 11 ist auf einem in die Kammer hineinragenden Wellenstummel 25 eines Elektromotores 26 ein Lüfterrad 28 zur Drucklufterzeugung angeordnet. Der Elektromotor 26 ist in einem besonderen Gehäuseteil 29 untergebracht. Da die Einzelheiten des Antriebs bekannt sind, brauchen sie hier nicht näher erläutert zu werden.A housing is designated as a whole with 10, which has two chambers 11 and 12, on which flanges 15 and 16 are arranged and which with the aid of Screws 17, 18 and 19, 20 are connected to one another in that the screws reach through the flanges and press against each other. In the chamber 11 is on one Stub shaft 25 of an electric motor 26 protruding into the chamber is a fan wheel 28 arranged for generating compressed air. The electric motor 26 is special Housing part 29 housed. Since the details of the drive are known, need they do not need to be explained here.

Ausserdem ist in der Kammer 11 ein als Ganzes mit 30 bezeichneter Drehschalter angeordnet, der eine Kontaktplatte 31 aufweist, auf der Kontaktstifte 33 und Kabelklemmen 35 vorgesehen sind. Die Kontaktplatte 33 ist von den Schrauben 19 und 20 mit Hilfe von Abstandshülse 23 im Abstand von der Kammerinnenwand gehalten.In addition, a designated 30 as a whole is in the chamber 11 Rotary switch arranged, which has a contact plate 31, on the contact pins 33 and cable clamps 35 are provided. The contact plate 33 is from the screws 19 and 20 held at a distance from the inner wall of the chamber with the aid of spacer sleeve 23.

Zentral in der Kontaktplatte 31 ist gleichachsig mit dem Wellenstummel 25 des Elektromotors 26 eine Drehachse 40 angeordnet, auf deren einem Ende ein mit einem Kontaktstück 42 versehener Handgriff 41 schwenkbar befestigt ist. Der Handgriff 41 ragt mit seinem Ende 44 durch einen Schlitz 47 der Kammer 11 nach aussen. Das Kontaktstück 42 wirkt mit den Kontaktstiften 33 zusammen.Central in the contact plate 31 is coaxial with the stub shaft 25 of the electric motor 26 is arranged an axis of rotation 40, on one end of which a with a contact piece 42 provided handle 41 is pivotally attached. The handle 41 protrudes with its end 44 through a slot 47 of the chamber 11 to the outside. That Contact piece 42 interacts with the contact pins 33.

Das andere Ende der Drehachse 40 ist mit einem Schlitz 48 versehen und ragt in das Innere der Kammer 12 zentral hinein. Auf dieses Ende ist ein aus Isolierkörper 51 und Heizdraht 52 bestehendes Heizelement 50 mittels einer Bohrung 53 aufgesteckt und gehalten. Die Enden des Heizdrahtes 52 sind mit den Kontaktstiften 33 bzw. den Kabelklemmen 30 verbunden.The other end of the axis of rotation 40 is provided with a slot 48 and protrudes into the interior of the chamber 12 centrally. This end is an out Insulating body 51 and heating wire 52 existing heating element 50 by means of a bore 53 attached and held. The ends of the heating wire 52 are with the contact pins 33 or the cable clamps 30 connected.

Am vorderen Ende der Kammer 12 ist eine bekannte Warmluftdüse 55 vorgesehen.A known hot air nozzle 55 is provided at the front end of the chamber 12.

Zwischen der Innenwand der Kammer 12 und dem Heizelement 50 ist noch eine Zwischenhülse 60 angeordnet, die mit ihrem Flansch 61 zwischen den Flanschen 15 und 16 der Kammern 11 und 12 gehalten ist. Beiderseits des Flansches 61 sind wärmeisolierende Ringe 63 und 64 vorgesehen. Durch die Anordnung der Zwischenhülse 60 wird zwischen der Innenwand der Kammer 12 und der Aussenwand der Zwischenhülse 60 ein wärmeisolierender Raum 70 geschaffen.Between the inner wall of the chamber 12 and the heating element 50 is still an intermediate sleeve 60 is arranged with its flange 61 between the flanges 15 and 16 of the chambers 11 and 12 is held. Both sides of the flange 61 are heat insulating rings 63 and 64 are provided. Due to the arrangement of the intermediate sleeve 60 is between the inner wall of the Chamber 12 and the outer wall the intermediate sleeve 60, a heat-insulating space 70 is created.

Die Wirkungsweise der Einrichtung ist folgende : Der von dem Lüfterrad 28 erzeugte Luftstrom wird aus der Kammer 11 durch die Kammer 12 gepresst und umfliesst dabei den Heizdraht 52. Wie Fig. 3 zeigt, ist der Querschnitt des Isolierkörpers 51 der Beheizungseinrichtung 50 so gewählt, dass der Luftstrom eine grösstmögliche Berührung mit dem Heizdraht 52 hat. Von dort gelangt der erhitzte Luftstrom zur Düse 55. Durch Schwenken des Handgriffes 40 am Drehschalter 30 kann die Länge des beheizten Heizdrahtes und damit die Grösse der Erwärmung des Luftstromes verändert werden, in dem das Kontaktstück 42 von einem Kontaktstift zum anderen bewegt wird.The mode of operation of the device is as follows: That of the fan wheel The air flow generated 28 is pressed out of the chamber 11 through the chamber 12 and flows around it thereby the heating wire 52. As Fig. 3 shows, the cross section of the insulating body 51 of the heating device 50 is selected so that the air flow is as large as possible Has contact with the heating wire 52. From there the heated air flow reaches the Nozzle 55. By pivoting the handle 40 on the rotary switch 30, the length of the heated heating wire and thus the size of the heating of the air flow changed in which the contact piece 42 is moved from one contact pin to the other.

Claims (1)

Schut z ans p rüche Elektrisch beheiztes Kunststoffschweissgerät mit einem an eine Druckluftquelle anschliessbaren, den Sehweisseinsatz tragenden Gehäuse, in dessen Inneremeine von dem Luftstrom bestrichene, elektrische Beheisungseinrichtungp beispielsweise ein Heizwiderstand, angeordnet ist, dadurch gekennzeichnet, das im Gehäuse ein von aussen mit Hilfe eines Schaltgriffes betätigbarer Schalter zur stufenweisen Verstellung der Beheizungseinrichtung vorgesehen ist. 20 Kunststoffschweissgerät nach Anspruch 1, dadurch x, ake gekemnzeishnet dass der Schalter ein Drehschalter
mit radial angeordnetem Griff ist, dessen eines E@de durch eine Öffnung des Gehäuses nach aussen ragt.Protection against damage Electrically heated plastic welding device with a housing that can be connected to a compressed air source and that carries the welding insert, inside of which an electrical heating device, for example a heating resistor, is arranged, which is swept by the air flow, characterized in that the housing is equipped with a switch from the outside with the help of a switch handle actuatable switch is provided for the gradual adjustment of the heating device. 20 plastic welding device according to claim 1, characterized x, ake gekemnzeishnet that the switch is a rotary switch
with a radially arranged handle, one E @ de of which protrudes through an opening in the housing to the outside. 3. Kunststoffschweissgerãt nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Drehschalter hinter der Beheizungseinrichtung angeordnet ist. 4. Kunststoffschweissgerãt nach Anspruch 1 bis 3, ß dadurch gekennzeichnet, dass der Drehschalter und die Beheizungseinrichtung eine Baueinheit
bilden.3. Kunststoffschweissgerãt according to claim 1 or 2, characterized in that the rotary switch is arranged behind the heating device. 4. Kunststoffschweissgerãt according to claim 1 to 3, ß characterized in that the rotary switch and the heating device is a structural unit
form. 5. Kunststoffschweissgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gehäuse zweiteilig ist und aus einer im wesentlichen zylindrischen, den Heizwiderstand umschliessenden Kammer besteht, in der gegebenenfalls ein Lüfterrad zur Drucklufterzeugung untergebracht ist.5. Plastic welding device according to one of the preceding claims, characterized in that the housing is in two parts and consists essentially of one cylindrical chamber enclosing the heating resistor, in which, if necessary a fan wheel for generating compressed air is housed. 6. Kunststoffschweissgerät nach Anspruch 5, dadurch gekennzeichnet, dass die Kammern an ihren Berührungsflächen radial nach aussen und/oder nach innen gerichtete Flansche aufweisen.6. Plastic welding device according to claim 5, characterized in that that the chambers radially outwards and / or inwards at their contact surfaces have directed flanges. 7. Kunststoffschweissgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Abstandshalter vorgesehen sind, durch die der Drehschalter mit Abstand von der Kammerinnenwand gehalten ist.7. Plastic welding device according to one of the preceding claims, characterized in that Spacers are provided by which the rotary switch is held at a distance from the inner wall of the chamber. 8. Kunststoffschweissgerät,insbesondere nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zylindrische, den Heizwiderstand einschliessende Kammer eine in radialem Abstand von der Innenfläche angeordnete Zwischenhülse aus vorzugsweise feuerfestem Material aufweist.8. Plastic welding device, in particular according to one of the preceding Claims, characterized in that the cylindrical, the heating resistor enclosing Chamber from an intermediate sleeve arranged at a radial distance from the inner surface preferably comprises refractory material. 9. Kunststoffschweissgerät nach Anspruch 8, dadurch gekennzeichnet, dass die Zwischenhülse einen Flansch aufweist, der zwischen den Kammerflanschen befestigtist. 1 ! 0. Kunststoffschweissgerät nach Anspruch 9, dadurch gekennzeichnet, dass beiderseits des Zwischen-
hülsenflansches wärmeisolierende Ringe vorgesehen sind.9. Plastic welding device according to claim 8, characterized characterized in that the intermediate sleeve a Has flange between the chamber flanges is attached. 1 ! 0. Plastic welding device according to claim 9, characterized marked that on both sides of the intermediate
sleeve flange heat insulating rings are provided.
DEA11056U 1958-01-10 1958-01-10 ELECTRICALLY HEATED PLASTIC WELDING DEVICE. Expired DE1763171U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA11056U DE1763171U (en) 1958-01-10 1958-01-10 ELECTRICALLY HEATED PLASTIC WELDING DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA11056U DE1763171U (en) 1958-01-10 1958-01-10 ELECTRICALLY HEATED PLASTIC WELDING DEVICE.

Publications (1)

Publication Number Publication Date
DE1763171U true DE1763171U (en) 1958-03-13

Family

ID=32779519

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA11056U Expired DE1763171U (en) 1958-01-10 1958-01-10 ELECTRICALLY HEATED PLASTIC WELDING DEVICE.

Country Status (1)

Country Link
DE (1) DE1763171U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246218B (en) * 1963-02-16 1967-08-03 Wilhelm Kuch Electric hot air welding machine for thermoplastics
DE1284261B (en) * 1963-10-28 1968-11-28 Texas Instruments Inc Welding device, especially for semiconductor components

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246218B (en) * 1963-02-16 1967-08-03 Wilhelm Kuch Electric hot air welding machine for thermoplastics
DE1284261B (en) * 1963-10-28 1968-11-28 Texas Instruments Inc Welding device, especially for semiconductor components

Similar Documents

Publication Publication Date Title
DE1557346C3 (en) Hairdryer
DE69001977T2 (en) Hand pressure washer.
DE1540860B1 (en) FLEXIBLE DEVICE FOR SUPPLYING WELDING WIRE, WELDING CURRENT, PROTECTIVE GAS AND COMPRESSED GAS TO A WELDING GUN
DE1540862B1 (en) WELDING DEVICE FOR THE SHIELDING GAS ARC WELDING WITH A MELTING ELECTRODE
DE4130287C2 (en)
DE2016964A1 (en) Hand-operated hammer with built-in electric drive motor
DE1763171U (en) ELECTRICALLY HEATED PLASTIC WELDING DEVICE.
DE2255362B2 (en) Burner in the shape of a fork with two legs
DE1566265C3 (en) DENTAL DRILL HANDPIECE
DE1629728C3 (en) Extrusion screw
AT252694B (en) Nozzle for plasma torch
DE3504773C2 (en)
DE1604607B2 (en) DEVICE FOR WELDING THE LAYERS OF THERMOPLASTIC PLASTIC FILMS
DE736854C (en) Process for the production of a vapor or gas-filled discharge vessel with a control electrode
DE1490643C2 (en) Electric liquid switch
CH495825A (en) Press for the extrusion of masses, especially ceramic masses, in the plastic state
DE29720203U1 (en) Heated cutting tool
DE1184486B (en) Heating element for welding thermoplastics using heat pulse processing
DE680211C (en) Electric soldering iron
DE4006448A1 (en) Hand spot-welding device - is operated by cylinder unit which moves tongs and feeds current to work tops via flexible leads
DE2320044C3 (en) Device for cleaning the inner surfaces of containers and pipes of all kinds
DE1913716U (en) FLOW IRRADIATION DEVICE.
CH667348A5 (en) Tuyere AT A GAS PRESSURE SWITCH.
DE968422C (en) Gas burner for surface hardening, in particular burning hardening of workpieces
DE627751C (en) Annealing drum for heat treatment of small pieces of incandescent material