DE4318781B4 - Device for joining strand material ends - Google Patents
Device for joining strand material ends Download PDFInfo
- Publication number
- DE4318781B4 DE4318781B4 DE19934318781 DE4318781A DE4318781B4 DE 4318781 B4 DE4318781 B4 DE 4318781B4 DE 19934318781 DE19934318781 DE 19934318781 DE 4318781 A DE4318781 A DE 4318781A DE 4318781 B4 DE4318781 B4 DE 4318781B4
- Authority
- DE
- Germany
- Prior art keywords
- jaws
- strand ends
- clamping
- movable
- drive motor
- 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 - Lifetime
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
- 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
- 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
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin 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
- B29C65/78—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
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/526—Joining bars
- B29C66/5261—Joining bars for forming coaxial connections, i.e. the bars to be joined forming a zero angle relative to each other
-
- 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
- B29C66/8161—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
- B29C66/82—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
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G3/00—Belt fastenings, e.g. for conveyor belts
- F16G3/16—Devices or machines for connecting driving-belts or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Vorrichtung zum koaxialen Verbinden von Strängen aus thermoplastischem Material, beispielsweise um zu endlosen Riemen für Antriebs- oder Transportzwecke zu gelangen, mit zwei Klemmbacken (18, 19) zum Einspannen und Halten der miteinander zu verbindenden Strangenden und mit einer die beiden Klemmbacken gegeneinander drückenden Felder (23), wobei die Klemmbacken (18, 19) und damit die in ihren fixierten Strangenden mittels eines hochtourigen Antriebsmotors (8) über eine Exzentereinheit (6, 14) sowohl quer zu ihren an sich koaxialen Achsen als auch in sich umkreisender Bahn in hochfrequente Relativbewegungen versetzt werden, um die Strangenden bis zum Aufschmelzen zu erwärmen und letztlich unter Federdruck zu verbinden.contraption for coaxially connecting strands made of thermoplastic material, for example, to endless belt for drive or transport, with two jaws (18, 19) for Clamping and holding the strand ends to be joined together and with one pressing the two jaws against each other Fields (23), wherein the jaws (18, 19) and thus in their fixed strand ends by means of a high-speed drive motor (8) about one Eccentric unit (6, 14) both transversely to their coaxial axes as well as orbiting path in high-frequency relative movements be offset to heat the strand ends until melting and ultimately to connect under spring pressure.
Description
Die Erfindung betrifft eine Vorrichtung zum Verbinden der Enden von Strängen aus thermoplastischem Material, beispielsweise um zu endlosen Riemen für Antriebs- oder Transportzwecke zu gelangen, wobei die Vorrichtung zwei in axialer Richtung der Strangenden relativ zueinander verfahrbare Klemmbacken zum Einspannen und koaxialen Halten der miteinander zu verbindenden Strangenden aufweist und mit einer die beiden Klemmbacken gegeneinander drückenden Druckfeder ausgestattet ist.The The invention relates to a device for connecting the ends of strands made of thermoplastic material, for example, to endless belt for drive or transport purposes, the device being two in axial direction of the strand ends relative to each other movable jaws for clamping and coaxial holding the interconnected Strangenden has and with one the two jaws against each other suppressive Compression spring is equipped.
Zum Verschweißen der Enden von aus Kunststoff bestehenden Riemen, beispielsweise um Keilriemen oder Transportriemen endlos zu machen, ist es bekannt, ein Schweißgerät zu benutzen, dem von außen Wärme zugeführt wird, beispielsweise über elektrischen Strom, und das die Schweißwärme der Schweißstelle über Kontakt zuführt. Dieses Verfahren zum Herstellen einer Schweißverbindung ist vor allem sehr zeitaufwändig. Der zum Erzeugen der Schweißwärme notwendige so genannte Heiz- oder Schmelzspiegel muss über einen Regler auf die notwendige Schweißtemperatur gebracht werden, was ca. 10 min in Anspruch nimmt. Da die Wärme nur durch Kontakt der Strangenden mit dem Schmelzspiegel eingebracht wird, vergeht weitere Zeit, bis das Material der Strangenden aufgeschmolzen ist. Da die Wärme nicht nur auf die Kontaktfläche begrenzt bleibt, was wünschenswert wäre, werden auch die Strangenden unnötig stark mit aufgeheizt, was eine längere Abkühlphase nötig macht, ehe der endlose Riemen belastet werden darf. Durch dieses umständliche, zeitaufwändige Verfahren kann es zu teuren Produktionsunterbrechungen einer mit derartigen Riemen ausgestatteten Maschine kommen. Obendrein ist der Schmelzspiegel ein anfälliges und pflegebedürftiges Werkzeug, an dem es bei nicht fachgerechter Handhabung auch noch zu Verbrennungen des Bedienenden kommen kann.To the weld together the ends of plastic belts, for example in order to make endless V-belts or transport belts, it is known to use a welding machine, from the outside Heat is supplied, for example about electric current, and that the welding heat of the weld over contact supplies. This method of making a welded joint is very important time-consuming. The necessary for generating the welding heat So-called heating or melting mirrors must have a regulator on the necessary welding temperature be brought, which takes about 10 minutes. Because the heat is only through Contact of the strand ends with the melting mirror is introduced Time passes until the material of the strand ends melts is. Because the heat not just on the contact surface remains limited, which is desirable would be, too the strand ends unnecessary Heavily heated, which is longer cooling phase necessary, before the endless belt may be loaded. Through this awkward, time-consuming Procedures may cause expensive production interruptions with one come equipped machine such belt equipped. On top of that is the melting mirror a susceptible and dependent Tool on which there is also in case of improper handling can cause burns of the operator.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum koaxialen Verbinden zweier Enden von Strängen aus thermoplastischem Material zu schaffen, bei der die oben aufgeführten Nachteile nicht auftreten und man die Enden von Riemen ohne Verwendung einer externen Wärmequelle verschweißen kann, und die sich auch innerhalb einer Antriebs- oder Transportvorrichtung benutzen lässt, beispielsweise um einen gerissenen Antriebs- oder Transportriemen an Ort und Stelle reparieren zu können.Of the Invention is based on the object, a device for coaxial Connecting two ends of strands to provide thermoplastic material, in which the above-mentioned disadvantages do not occur and the ends of straps without using an external heat source weld together can, and also within a drive or transport device lets use, for example, a torn drive or transport belt to repair on the spot.
Diese Aufgabe wird erfindungsgemäß mit einer Vorrichtung gelöst, welche die Merkmale des Patentanspruches 1 aufweist. Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.These Task is according to the invention with a Device solved, which has the features of claim 1. advantageous Embodiments of the invention are the subject of the dependent claims.
Bei der erfindungsgemäßen Vorrichtung wird die zum Verschweißen der Enden von Strangmaterialien benötigte Wärme durch Reibung erzeugt, so dass der erwärmte Bereich der miteinander zu verschweißenden Enden eng begrenzt und eine externe Wärmequelle nicht erforderlich ist. Deshalb kann die erfindungsgemäße Vorrichtung auch innerhalb einer Antriebs- oder Transportvorrichtung, in der ein Riemen gerissen ist, benutzt werden, denn sie lässt sich kompakt ausbilden und benötigt keine Wärmeabschirmung, um Teile der Vorrichtung gegen Wärmestrahlung zu schützen.at the device according to the invention becomes the welding heat generated by the ends of strand materials by friction, so that the heated Area of the ends to be welded together narrowly and an external heat source is not required. Therefore, the device according to the invention also within a drive or transport device, in the a strap is torn, used, because it can be compact train and needed no heat shield, around parts of the device against heat radiation to protect.
Die Erfindung soll anhand eines Ausführungsbeispiels im Folgenden näher erläutert werden, jedoch ist die Erfindung nicht auf diese Ausführung beschränkt. Insbesondere kann die Erzeugung der Relativbewegung zwischen den Strangenden auf verschiedene Weise realisiert werden. So kann die beschriebene Schwingungsbewegung der Klemmbacken auch durch eine geradlinige Bewegung der Klemmbacken relativ zueinander erzeugt werden, was besonders bei Flachriemen sinnvoll ist, oder durch eine Schwingungsbewegung um eine in Profilmitte gedachte Achse.The Invention is based on an embodiment in the following explained However, the invention is not limited to this embodiment. Especially can the generation of relative movement between the strand ends be realized in different ways. So the described Vibrational movement of the jaws also by a rectilinear Movement of the jaws relative to each other produces what Especially useful with flat belts, or by a vibrational motion around an axis in the middle of the profile.
Bei der im folgenden Beispiel beschriebenen erfindungsgemäßen Vorrichtung ist die eine Einspannbacke zum Einspannen eines der beiden Strangenden feststehend und die andere sowohl in axialer Richtung als auch in radialer Richtung bewegbar angeordnet, um auf diese Weise die für die Verschweißung benötigte Reibungswärme zu erzeugen und gleichzeitig die beiden Strangenden zusammen zu drücken, um die Verschweißung zu bewirken. Nach Beendigung des zeitlich sehr kurzen Schweißvorganges kehrt die bewegliche Backe stets in die zentrierte Ausgangslage zurück, damit die beiden Strangenden axial Fluchtend miteinander verbunden werden.at the device according to the invention described in the following example is the one clamping jaw for clamping one of the two strand ends fixed and the other both in the axial direction and in arranged to be movable in the radial direction, in order to produce in this way the heat of friction required for the welding and at the same time press the two strand ends together to the welding to effect. After completion of the temporally very short welding process The movable jaw always returns to the centered starting position back, so that the two strand ends are connected axially aligned.
Für die Reibungsbewegungen der bewegbaren Einspannbacke wird ein hochtourig laufender Elektromotor verwendet, der beispielsweise mit einer Drehzahl von 20.000 U/min läuft. Solche Motoren sind in kleiner Ausführung handelsüblich. Deshalb kann die erfindungsgemäße Vorrichtung auch leicht und handlich ausgebildet werden, so dass sie von einer Person mit einer Hand gehalten werden kann. Sie lässt sich deshalb pistolenförmig ausbilden. Der Benutzer hat die zweite Hand frei, um die miteinander zu verbindenden und insbesondere zu verschweißenden Strangenden in die Einspannbacken der Vorrichtung einführen und in diesen festlegen zu können, bevor die Vorrichtung zum Verbinden der beiden Strangenden in Tätigkeit gesetzt wird. Hierzu ist lediglich ein einfacher Handgriff oder Fingerzug erforderlich, der bereits nach kurzer Zeit beendet werden kann, weil die zum Schweißen benötigte Reibungswärme sehr schnell erzielt wird.For the frictional movements of the movable clamping jaw, a high-speed electric motor is used, which runs for example at a speed of 20,000 rpm. Such motors are commercially available in a small version. Therefore, the device according to the invention can also be made light and handy, so that it can be held by a person with one hand. It can therefore be trained pistol-shaped. The user has the second hand free, in order to introduce the strand ends to be joined together and in particular to be welded into the clamping jaws of the device and set in this before the device for connecting the two strand ends is set in operation. For this purpose, only a simple handle or finger is required derlich, which can be stopped after a short time, because the frictional heat required for welding is achieved very quickly.
In der Zeichnung ist ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung zum Verbinden zweier Enden von Strängen aus thermoplastischem Material schematisch dargestellt, und zwar zeigtIn the drawing is an embodiment of Device according to the invention for joining two ends of strands of thermoplastic material schematically shown, and that shows
An
einem Rahmen
Der
Bügel
Auf
dem Rahmen
Auf
der Antriebswelle
Am
Bügel
Auf
der Welle
Auf
dem Rahmen
Jede
der Klemmbacken
Der
Sockel
Die
Relativbewegungen zwischen den Strang- oder Riemenenden werden nur
hervorgerufen, wenn der Bügel
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19934318781 DE4318781B4 (en) | 1993-06-05 | 1993-06-05 | Device for joining strand material ends |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19934318781 DE4318781B4 (en) | 1993-06-05 | 1993-06-05 | Device for joining strand material ends |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4318781A1 DE4318781A1 (en) | 1994-12-08 |
DE4318781B4 true DE4318781B4 (en) | 2007-02-22 |
Family
ID=6489748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19934318781 Expired - Lifetime DE4318781B4 (en) | 1993-06-05 | 1993-06-05 | Device for joining strand material ends |
Country Status (1)
Country | Link |
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DE (1) | DE4318781B4 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2998936B1 (en) | 2012-12-03 | 2015-11-27 | Tanals | METHOD FOR MANUFACTURING A BELT OF CIRCULAR OR SIMILAR SECTION CLOSED IN LOOP BY MEANS OF A JUNCTION AND BELT OBTAINED BY SAID METHOD |
-
1993
- 1993-06-05 DE DE19934318781 patent/DE4318781B4/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4318781A1 (en) | 1994-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: BEHA INNOVATION GMBH, 79286 GLOTTERTAL, DE |
|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |