EP2685573B1 - Crimping tool for turned contacts - Google Patents
Crimping tool for turned contacts Download PDFInfo
- Publication number
- EP2685573B1 EP2685573B1 EP13175961.5A EP13175961A EP2685573B1 EP 2685573 B1 EP2685573 B1 EP 2685573B1 EP 13175961 A EP13175961 A EP 13175961A EP 2685573 B1 EP2685573 B1 EP 2685573B1
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- EP
- European Patent Office
- Prior art keywords
- crimping
- crimping tool
- spring
- swage
- tool
- 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.)
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Links
- 238000002788 crimping Methods 0.000 title claims description 118
- 239000004020 conductor Substances 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 3
- 241000755266 Kathetostoma giganteum Species 0.000 claims description 2
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 230000002028 premature Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 6
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 210000003746 feather Anatomy 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 244000248349 Citrus limon Species 0.000 description 2
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/042—Hand tools for crimping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/042—Hand tools for crimping
- H01R43/0424—Hand tools for crimping with more than two radially actuated mandrels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
- Y10T29/53209—Terminal or connector
- Y10T29/53213—Assembled to wire-type conductor
- Y10T29/53222—Means comprising hand-manipulatable implement
- Y10T29/53226—Fastening by deformation
Definitions
- the present invention relates to a crimping tool for turned contacts on electrical conductors.
- a crimping tool for rotated contacts in which a missing force-displacement compensator must be compensated by manually unlocking a pawl in the grip part of the pliers, after which the crimping die was crimped onto a conductor during crimping of a turned contact.
- the tool must be set exactly to the crimping cross section before crimping.
- a crimping tool for turned contacts is desirable that has an automatically acting force-displacement compensation, so that the manual unlocking or adjusting the crimping tool is eliminated and also allows the crimping of turned contacts on conductors in the largest possible diameter range, so that the widest possible range of conductor cross-sections can be provided with turned contacts with a single crimping tool.
- the first spring is structurally realized in each case by a part of the base plate, which is limited by an incision. It is advantageous that the first spring has substantially a geometry in the form of an arcuate, in particular a circular arc segment-shaped leaf spring.
- the incision runs substantially parallel to the outer contour of the base plate.
- the end point of the incision is preferably made rounded.
- the incision circulates in its contour advantageously the hinge pin and opens at the top of the handle from the base plate.
- the spring is thus preferably substantially each given a geometry in the form of an arcuate or Vietnamesebogenabitessförmigen leaf spring.
- the incision is preferably made correspondingly long and wide. The thus realized spring is thus outside the handle.
- the arrangement of the incision in the two base plates thus results in a parallel connection of the two springs.
- the crimping tool has a pressure ring for accommodating the crimping dies of a particularly compact design and advantageous, wherein the pressure ring in turn has an opening in the form of a "lemon stocking".
- the term "twisted contact” is understood to mean contacts based on flexible conductors whose flexibility is based on the combination of a multiplicity of thin conductor wires that are combined to form a conductor through a sheath of the conductor. If such conductors, for example, integrated into plugs, usually corresponding contacts are used, which consist on the one hand of a sleeve which record the stripped conductor in the uncrimped state and form a solid contact on the other side, for example, integrated into a plug with multiple contacts become can. Such contacts are made, for example, as an automatic lathe, so that the term "rotated contact” in a noticeable manner about a possible manufacturing technology of such a contact information, so that such contacts are known in this term to a corresponding expert in the art.
- a crimping tool 101 for crimping turned contacts on electrical conductors 3 (not shown) is shown.
- the hand-operated crimping tool 101 in the form of a pliers comprises a crimping die 104 with automatic adjustment to the crimping sleeve and conductor cross-section to be processed, which is formed from a plurality of crimping dies 105.
- a compressed rotated contact 102 may be implemented as a three or n-point crimp.
- the crimping tool 101 has two base plates 106, between which essential components of the crimping tool 101 are mounted. Between two base plates 106, coaxial with a circular opening 107 (not shown) in the base plates 106, which serve to pass a conductor 103 to be crimped with a turned contact 102, there is a pressure ring 139.
- the pressure ring 139 takes three or more Crimp stamp 105 formed Crimpgesenk 104.
- the crimping dies 105 are each arranged and guided in a punch holder 141 radially to the opening 107 of the crimping die 104.
- the punch holder 141 is fixedly connected to the base plate 106 via bolts 140.
- a rotational angle limit on the pressure ring 139 formed by a pin 112 and a recess 113 that is movable relative to the stationary pin 112 defines the maximum angle of rotation of the pressure ring 139 and thus the minimum and maximum opening of the crimping die 104.
- the two base plates 106 are bolted together by the bolt 112.
- the crimping tool 101 has a toggle kinematics 114.
- the toggle kinematics 114 is clamped between two hinge pins 115, 116 and an eccentric pin 117.
- the hinge points, which form the two hinge pins 115, 116 are connected by a push bar 118, wherein the hinge pin 115 is additionally connected to the base plates 106 and the hinge pin 116 in addition to a movable lever 119.
- the lever 119 can be provided with a handle 126 (not shown here).
- the pushrod 118 is supported at rest on a rounded projection 120 (not shown), which is an integral part of the pressure ring 139.
- the eccentric pin 117 By turning the eccentric pin 117, the basic position of the crimping die 104 can be changed. Thereby, the opening degree of the opened crimping die 104 can be adjusted to the diameter of the rotated contact 102 before crimping, so that a substantial part of the working stroke of the crimping die 104 is prevented from having to be carried out only as an unproductive idle stroke until the crimp die 104 rotates with the rotated crimping die 104 Contact 102 comes into contact.
- An adjusting disk 121 and a flat-head screw 122 fix the eccentric pin 117 in the set position.
- the eccentric pin 117 serves only for basic adjustment and possibly the compensation of manufacturing tolerances. Usually, the eccentric pin 117 is not adjusted by the user of the crimping tool.
- the thrust strut 118 has a toothing 123 into which a catch 124 engages, thus preventing premature opening of the crimping die 104.
- a compression spring 125 provides for the self-opening of the crimping die 104 after the crimped contact 102 has been crimped.
- a rotated contact 102 is shown inserted into the opened crimp die 104.
- the rotated contact 102 on the conductor 103 (not shown) is crimped.
- the handles 126, 127 or the components 119, 106 enclosed by the handles 126, 127 have no local cross-sectional reductions or weakenings, eg in the form of a constriction, from which an increased elasticity or an increased spring action would result.
- Fig. 4 or 5 the drive mechanism of a crimping tool 101 according to the invention for rotated contacts 102 is illustrated.
- the toggle kinematics 114 is further brought into the extended position, whereby the pressure ring 139 performs a rotary movement in a clockwise direction.
- the pressure ring 139 slides along the crimping dies 105 and radially moves the crimping dies 105 toward the contact in the opening 107.
- the opening of the pressure ring 139 has to receive the punch holder 141 and the crimping die 105 has an opening whose geometry is reminiscent of the bore of a hydrodynamic sliding bearing in which a circular bore with two or more arc-like surfaces is extended, in which a lubricating wedge can form , Such plain bearings are known in the trade as "lemon rack".
- the contact area S in the pressure ring 139 can be designed as a curve with a constant slope or as a curve with a specially tuned pitch for optimizing manual and pressing forces.
- the crimping dies 105 are stored in the punch holder 141 for radial movement.
- the compression spring 142 moves the crimping dies 105 back to the starting position after the crimping process along the curve S.
- a force-displacement compensating device in the form of a cascade spring 129 is integrated in each case in the base plate 106, which makes it possible to escape the rearward knee-joint fulcrum in the direction of the arrow (see FIG Fig. 6 or 7).
- a second or other spring 131 of the cascade spring 129 is driven via a cylindrical pin 130.
- the spring 131 is located on the same plane as the thrust strut 118 located between the two base bleachers 106 and, like the thrust strut 118, has a thickness that is virtually identical to the gap between the base plates 106.
- the second or other spring 131 is attached as a single part to a lever-like extension of the base plates 106. In Fig. 1 if this is an example-simple and thus advantageously realized by two bolts 148.
- the attachment of the second or other spring 131 can also be realized in a different manner. Due to the advantageous spring action of the interaction of two springs, a first spring 132 and a second or other spring 131, an increased force and an enlarged path for the force-displacement compensating device for the crimping tool to be created are provided.
- the cascade spring 129 takes on the required residual stroke of the crimping die 104 as elastic deformation work, when the crimping die 104 has already moved to block when crimping a turned contact 102, but still has to travel, so that the barrier 124 releases the opening of the crimping die 104.
- the crimping tool 101 thus automatically adjusts itself to the cross section of the turned contacts 102 and the conductor cross section to be crimped. This makes it possible to cover the crimping of conductor cross sections of 0.08 mm 2 to 6.0 mm 2 steplessly with only one crimping die 104.
- the crimping tool 101 can be closed until the lock 124 is skipped and opens automatically.
- first spring 132 of the cascade spring 129 as a parallel-connected leaf spring in the base plates 106 allows a compact design of the crimping tool 101 while precise tuning to the required force-displacement compensation. Compared to other designs, less space is required for the same performance.
- the first spring 132 is bounded or realized respectively in the basic bleach 106 by an incision 137 running essentially parallel to the outer contour of the base metal sheet 106 into the base metal sheet 106.
- the end point 138 of the incision 137 is made rounded.
- the incision 137 circumscribes the hinge pin 115 in its contour, so that the hinge pin 115 is located in each case in the region of the base plate 106 in the spring 132 and otherwise in the push bar 118, and opens at the top of the handle 127 respectively from the base plate 106.
- the spring 132 thus essentially receives in each case a geometry in the form of an arcuate or circular arc segment-shaped leaf spring, which is formed by the outer contour of the base plates 106 and the respective incision 137.
- the incision 137 is designed in each case correspondingly long and wide. The spring 132 is thus outside the handle 127th
- the base plates 106 each have a high rigidity cross section in the region M. Deformation of the base sheets 106 below Load is thus prevented and realized a constant reproducible force-displacement.
- a crimping tool 101 is shown with a rotated contact locator 143.
- the locator 143 is set to the type of contact to be processed and engages via a toothing 144 in the set position.
- the contact 102 (not shown) is inserted into the opened crimp die 104 and held in crimping position by the locator 143. Simple handling and crimping at the intended location of the contact 102 is thus realized in a process-reliable manner.
- the handle 126 or 119 of the tool 101 By operating the handle 126 or 119 of the tool 101, the contact 102 is crimped on the conductor 103 (not shown).
- a conductor 103 is shown, on the stripped end of a rotated contact 102 has been pressed.
- the rotated contact 102 was crimped with a four-point crimp.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
Die vorliegende Erfindung betrifft ein Crimpwerkzeug für gedrehte Kontakte auf elektrischen Leitern.The present invention relates to a crimping tool for turned contacts on electrical conductors.
In der
Durch die fehlende Kraft-Weg-Ausgleichsvorrichtung ist deshalb der Betrieb der Crimpzange recht umständlich. Darüber hinaus ist der Durchmesserbereich der gedrehten Kontakte, die mit der Crimpzange verpresst werden können, begrenzt. Wünschenswert ist jedoch ein Crimpwerkzeug für gedrehte Kontakte, dass über einen automatisch wirkenden Kraft-Weg-Ausgleich verfügt, so dass das manuelle Entsperren bzw. Einstellen der Crimpzange entfällt und darüber hinaus das Vercrimpen von gedrehten Kontakten auf Leitern in einem möglichst großen Durchmesserbereich erlaubt, so dass ein möglichst großes Spektrum von Leiterquerschnitten mit einem einzigen Crimpwerkzeug mit gedrehten Kontakten versehen werden können.Due to the lack of force-displacement compensation device, therefore, the operation of the crimping tool is quite cumbersome. In addition, the diameter range of the turned contacts, which can be crimped with the crimping tool, limited. However, a crimping tool for turned contacts is desirable that has an automatically acting force-displacement compensation, so that the manual unlocking or adjusting the crimping tool is eliminated and also allows the crimping of turned contacts on conductors in the largest possible diameter range, so that the widest possible range of conductor cross-sections can be provided with turned contacts with a single crimping tool.
Gattungsgemäße Crimpwerkzeuge sind aus dem Stand der Technik bekannt, so aus der
Die Erfindung löst die Aufgabe durch den Gegenstand des Anspruchs 1. Dabei wird baulich einfach die erste Feder jeweils durch einen Teil des Basisbleches realisiert, der durch einen Einschnitt begrenzt ist. Es ist dabei vorteilhaft, dass die erste Feder im Wesentlichen eine Geometrie in Form einer bogenförmigen, insbesondere einer kreisbogenabschnittsförmigen Blattfeder aufweist.The invention achieves the object by the subject matter of claim 1. Here, the first spring is structurally realized in each case by a part of the base plate, which is limited by an incision. It is advantageous that the first spring has substantially a geometry in the form of an arcuate, in particular a circular arc segment-shaped leaf spring.
Der Erfindung nach Anspruch 1, weiter spezifiziert in den Unteransprüchen, liegt also der Gedanke zu Grunde, durch die vorteilhafte Federwirkung durch das Zusammenspiel der Federn eine vergrößerte Kraft und einen vergrößerten Weg für die zu schaffende Kraft-Weg Ausgleichsvorrichtung für das Crimpwerkzeug zu Verfügung zu stellen. Dadurch wird gewährleistet, dass mit dem Crimpwerkzeug gedrehte Kontakte bzw. Leiter mit einen möglichst großen Durchmesserbereich vercrimpt werden können.The invention according to claim 1, further specified in the dependent claims, therefore, the idea is based on the advantageous effect of spring by the interaction of the springs to provide an increased force and an enlarged path for the force-way balance device to be created for the crimping tool , This ensures that contacts or conductors rotated with the crimping tool can be crimped with the largest possible diameter range.
Dabei ist es ferner bevorzugt, wenn der Einschnitt im Wesentlichen jeweils parallel zur Außenkontur des Basisblechs verläuft. Zur Reduzierung der mechanischen Spannung am Endpunkt des Einschnitts, ist der Endpunkt des Einschnitts vorzugsweise abgerundet ausgeführt. Der Einschnitt umläuft in seinem Konturzug vorteilhafterweise den Gelenkbolzen und mündet an der Oberseite des Griffs aus dem Basisblech aus. Die Feder erhält vorzugsweise so im Wesentlichen jeweils eine Geometrie in Form einer bogenförmigen bzw. kreisbogenabschnittsförmigen Blattfeder. Um einen nennenswerten Federweg zu realisieren, ist der Einschnitt vorzugsweise entsprechend lang und breit ausgeführt. Die so realisierte Feder liegt somit außerhalb des Griffs. Durch die Anordnung des Einschnitts in beiden Basisblechen ergibt sich so eine Parallelschaltung beider Federn.In this case, it is further preferred if the incision runs substantially parallel to the outer contour of the base plate. To reduce the mechanical stress at the end point of the incision, the end point of the incision is preferably made rounded. The incision circulates in its contour advantageously the hinge pin and opens at the top of the handle from the base plate. The spring is thus preferably substantially each given a geometry in the form of an arcuate or kreisbogenabschnittsförmigen leaf spring. In order to realize a significant travel, the incision is preferably made correspondingly long and wide. The thus realized spring is thus outside the handle. The arrangement of the incision in the two base plates thus results in a parallel connection of the two springs.
Besonders konstruktiv kompakt und vorteilhaft weist ferner das Crimpwerkzeug einen Druckring zur Aufnahme der Crimpstempel aufweist, wobei der Druckring wiederum einen Durchbruch in Form eines "Zitronenspiellagers" aufweist.In addition, the crimping tool has a pressure ring for accommodating the crimping dies of a particularly compact design and advantageous, wherein the pressure ring in turn has an opening in the form of a "lemon stocking".
Weitere vorteilhafte Ausführungen des erfindungsgemäßen Crimpwerkzeugs für gedrehte Kontakte sind den Unteransprüchen zu entnehmen.Further advantageous embodiments of the crimping tool according to the invention for turned contacts can be found in the dependent claims.
Ausführungsbeispiele eines erfindungsgemäßen Crimpwerkzeug für gedrehte Kontakte sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben.Embodiments of a crimping tool according to the invention for rotated contacts are shown in the drawings and will be described in more detail below.
Es zeigen:
- Figur 1:
- eine Schnittdarstellung eines erfindungsgemäßen Crimpwerkzeugs für gedrehte Kontakte;
- Figur 2:
- eine Vorderansicht eines erfindungsgemäßen Crimpwerkzeuges für gedrehte Kontakte;
- Figur 3:
- eine Ausschnittsvergrößerung der Vorderansicht aus
Fig. 2 eines erfindungsgemäßen Crimpwerkzeuges für gedrehte Kontakte, die insbesondere die zusammenwirkenden Crimpstempel zeigt; - Figur 4:
- eine Schnittdarstellung eines erfindungsgemäßen Crimpwerkzeugs für gedrehte Kontakte, in der die für die Antriebsmechanik des Crimpwerkzeugs relevanten Bauteile hervorgehoben sind;
- Figur 5:
- eine Ausschnittsvergrößerung der Schnittdarstellung aus
Fig. 4 eines erfindungsgemäßen Crimpwerkzeuges für gedrehte Kontakte, die insbesondere die für die Antriebsmechanik des Crimpwerkzeugs relevanten Bauteile im Bereich des Crimpgesenks zeigt; - Figur 6:
- eine Vorderansicht eines erfindungsgemäßen Crimpwerkzeuges für gedrehte Kontakte, bei der sich eine erfindungsgemäße Kaskadenfeder in Grundstellung befindet;
- Figur 7
- eine Vorderansicht eines erfindungsgemäßen Crimpwerkzeuges für gedrehte Kontakte, bei der sich eine erfindungsgemäße Kaskadenfeder in maximaler Auslenkung befindet;
- Figur 8:
- eine räumliche Ansicht einer Ausschnittsvergrößerung der Schnittdarstellung aus
Fig. 4 eines erfindungsgemäßen Crimpwerkzeuges für gedrehte Kontakte, die insbesondere die Anordnung des Lokators detailliert zeigt; - Figur 9:
- eine räumliche Ansicht einer Leiterader mit abisoliertem Ende und durch ein erfindungsgemäßes Crimpwerkzeug für gedrehte Kontakte aufgecrimpter gedrehter Kontakt.
- FIG. 1:
- a sectional view of a crimping tool according to the invention for rotated contacts;
- FIG. 2:
- a front view of a crimping tool according to the invention for rotated contacts;
- FIG. 3:
- an enlarged detail of the front view
Fig. 2 a rotated contact crimping tool according to the invention, particularly showing the co-operating crimping dies; - FIG. 4:
- a sectional view of a crimping tool according to the invention for rotated contacts, in which the components relevant to the drive mechanism of the crimping tool are highlighted;
- FIG. 5:
- an enlarged detail of the sectional view
Fig. 4 a crimping tool according to the invention for rotated contacts, which in particular shows the relevant components for the drive mechanism of the crimping tool in the region of the crimping die; - FIG. 6:
- a front view of a crimping tool according to the invention for rotated contacts, in which a cascade spring according to the invention is in the home position;
- FIG. 7
- a front view of a crimping tool according to the invention for rotated contacts, in which a cascade spring according to the invention is in maximum deflection;
- FIG. 8:
- a spatial view of an enlarged detail of the sectional view
Fig. 4 a crimping tool according to the invention for rotated contacts, which shows in particular the arrangement of the locator in detail; - FIG. 9:
- a spatial view of a conductor wire with stripped end and by a crimping tool according to the invention for rotated contacts crimped turned contact.
Unter dem Begriff "gedrehter Kontakt" werden im Sinne der vorliegenden Erfindung solche Kontakte verstanden, die auf flexible Leiter basieren, dessen Flexibilität auf die Zusammenfassung einer Vielzahl von dünnen Leiterdrähten beruht, die zu einem Leiter durch eine Ummantelung des Leiters zusammengefasst sind. Werden solche Leiter z.B. in Steckern integriert, werden üblicherweise entsprechende Kontakte verwendet, die auf der einen Seite aus einer Hülse bestehen, die im unvercrimpten Zustand den abisolierten Leiter aufnehmen und auf der anderen Seite einen massiven Kontakt ausbilden, der z.B. in einen Stecker mit Mehrfachkontakten integriert werden kann. Derartige Kontakte werden beispielsweise als Automatendrehteil gefertigt, so dass der Begriff "gedrehter Kontakt" in sinnfälliger Weise über eine mögliche Fertigungstechnologie eines solchen Kontakts Auskunft gibt, so dass solche Kontakte unter diesem Begriff einem entsprechenden Fachmann einschlägig bekannt sind.For the purposes of the present invention, the term "twisted contact" is understood to mean contacts based on flexible conductors whose flexibility is based on the combination of a multiplicity of thin conductor wires that are combined to form a conductor through a sheath of the conductor. If such conductors, for example, integrated into plugs, usually corresponding contacts are used, which consist on the one hand of a sleeve which record the stripped conductor in the uncrimped state and form a solid contact on the other side, for example, integrated into a plug with multiple contacts become can. Such contacts are made, for example, as an automatic lathe, so that the term "rotated contact" in a noticeable manner about a possible manufacturing technology of such a contact information, so that such contacts are known in this term to a corresponding expert in the art.
In
Das Crimpwerkzeug 101 weist zwei Basisbleche 106 auf, zwischen denen wesentliche Bauteile des Crimpwerkzeugs 101 montiert sind. Zwischen zwei Basisblechen 106, koaxial zu einer kreisförmigen Öffnung 107 (nicht dargestellt) in den Basisblechen 106, die dem Durchführen einem mit einem gedrehten Kontakt 102 zu vercrimpenden Leiter 103 dienen, befindet sich ein Druckring 139. Der Druckring 139 nimmt das aus drei oder mehr Crimpstempeln 105 gebildete Crimpgesenk 104 auf. Die Crimpstempel 105 sind jeweils in einem Stempelhalter 141 radial zur Öffnung 107 des Crimpgesenks 104 angeordnet und geführt. Der Stempelhalter 141 ist über Bolzen 140 fest mit dem Basisblech 106 verbunden. Durch eine durch einen Bolzen 112 und eine sich relativ zum feststehenden Bolzen 112 bewegbare Aussparung 113 gebildete Drehwinkelbegrenzung am Druckring 139 wird der maximale Drehwinkel des Druckrings 139 und damit die minimale und maximale Öffnung des Crimpgesenks 104 definiert. Die beiden Basisbleche 106 sind durch den Bolzen 112 miteinander verschraubt.The crimping
Zum Schließen des Crimpgesenks 104 weist das Crimpwerkzeug 101 eine Kniehebelkinematik 114 auf. Die Kniehebelkinematik 114 wird zwischen zwei Gelenkbolzen 115, 116 und einem Exzenterbolzen 117 aufgespannt. Die Gelenkpunkte, die die beiden Gelenkbolzen 115, 116 bilden, sind durch eine Schubstrebe 118 verbunden, wobei der Gelenkbolzen 115 zusätzlich mit den Basisblechen 106 und der Gelenkbolzen 116 zusätzlich mit einem beweglichen Hebel 119 verbunden ist. Der Hebel 119 kann mit einem Griff 126 (hier nicht dargestellt) versehen werden. Die Schubstrebe 118 stützt sich im Ruhezustand an einem abgerundeten Vorsprung 120 (nicht dargestellt) ab, die integrativer Bestandteil des Druckrings 139 ist.To close the crimping
Durch Verdrehen des Exzenterbolzens 117 kann die Grundstellung des Crimpgesenks 104 verändert werden. Dadurch kann der Öffnungsgrad des geöffneten Crimpgesenks 104 an den Durchmesser des gedrehten Kontakts 102 vor dem Vercrimpen angepasst werden, so dass verhindert wird, dass ein wesentlicher Teil des Arbeitshubes des Crimpgesenks 104 lediglich als unproduktiver Leerhub ausgeführt werden muss, bis das Crimpgesenk 104 mit dem gedrehten Kontakt 102 in Kontakt kommt. Eine Justierscheibe 121 und eine Flachkopfschraube 122 fixieren den Exzenterbolzen 117 in der eingestellten Position. Der Exzenterbolzen 117 dient dabei nur zur Grundeinstellung und ggf. dem Ausgleich von Fertigungstoleranzen. Üblicherweise wird der Exzenterbolzen 117 vom Anwender des Crimpwerkzeugs nicht verstellt.By turning the
Damit das Crimpgesenk 104 immer sicher bis zum Endanschlag betätigt wird, weist die Schubstrebe 118 eine Verzahnung 123 auf, in die eine Sperre 124 greift und somit ein vorzeitiges Öffnen des Crimpgesenks 104 verhindert. Eine Druckfeder 125 sorgt für das selbstständige Öffnen des Crimpgesenks 104 nach dem Vercrimpen des gedrehten Kontakts 102.So that the crimping
In
In
Um die unterschiedlichen Querschnitte der gedrehten Kontakte 102 bzw. Leiterquerschnitte in einem Crimpgesenk 104 verarbeiten zu können, ist eine Kraft-Weg-Ausgleichsvorrichtung in Form einer Kaskadenfeder 129 jeweils in das Basisblech 106 integriert, die ein Ausweichen des hinteren Kniehebeldrehpunktes in Pfeilrichtung ermöglicht (siehe
Jeweils über die Fläche H am Basisblech 106 wird über einen Zylinderstift 130 eine zweite bzw. andere Feder 131 der Kaskadenfeder 129 angetrieben. Die Feder 131 befindet sich auf der gleichen Ebene wie die Schubstrebe 118, die zwischen den beiden Basisbleichen 106 liegt und weist - wie die Schubstrebe 118 - eine Dicke auf, die mit dem Zwischenraum zwischen den Basisblechen 106 quasi identisch ist. Die zweite bzw. andere Feder 131 ist als Einzelteil an einer hebelartigen Verlängerung der Basisbleche 106 befestigt. In
Die Kaskadenfeder 129 nimmt dabei den erforderlichen Resthub des Crimpgesenks 104 als elastische Verformungsarbeit auf, wenn das Crimpgesenk 104 beim Vercrimpen eines gedrehten Kontakts 102 bereits auf Block gefahren ist, jedoch noch Weg zurückzulegen ist, damit die Sperre 124 die Öffnung des Crimpgesenks 104 freigibt. Das Crimpwerkzeug 101 stellt sich somit automatisch auf den zu vercrimpenden Querschnitt der gedrehten Kontakte 102 und den Leiterquerschnitt ein. Dadurch wird es möglich, mit nur einem Crimpgesenk 104 das Vercrimpen von Leiterquerschnitten von 0,08 mm2 bis zu 6,0 mm2 stufenlos abzudecken. Das Crimpwerkzeug 101 kann bis zum Überspringen der Sperre 124 geschlossen werden und öffnet selbständig.The
Die Integration einer ersten Feder 132 der Kaskadenfeder 129 als parallel geschaltete Blattfeder in die Basisbleche 106 ermöglicht eine kompakte Bauweise des Crimpwerkzeugs 101 bei gleichzeitiger präziser Abstimmung auf den benötigten Kraft-Weg-Ausgleich. Im Vergleich zu anderen Konstruktionen wird weniger Bauraum bei gleicher Leistung benötigt.The integration of a
Die erste Feder 132 wird jeweils im Basisbleich 106 durch einen im Wesentlichen parallel zur Außenkontur des Basisblechs 106 verlaufenden Einschnitt 137 in das Basisblech 106 begrenzt bzw. realisiert. Zur Reduzierung der mechanischen Spannung am Endpunkt 138 des Einschnitts 137, ist der Endpunkt 138 des Einschnitts 137 abgerundet ausgeführt. Der Einschnitt 137 umläuft in seinem Konturzug den Gelenkbolzen 115, so dass sich der Gelenkbolzen 115 jeweils im Bereich des Basisblechs 106 in der Feder 132 und ansonsten in der Schubstrebe 118 befindet, und mündet an der Oberseite des Griffs 127 jeweils aus dem Basisblech 106 aus. Der Feder 132 erhält so im Wesentlichen jeweils eine Geometrie in Form einer bogenförmigen bzw. kreisbogenabschnittsförmigen Blattfeder, die durch die Außenkontur der Basisbleche 106 und dem jeweiligen Einschnitt 137 gebildet wird. Um einen nennenswerten Federweg der Feder 132 zu realisieren, ist der Einschnitt 137 jeweils entsprechend lang und breit ausgeführt. Die Feder 132 liegt somit außerhalb des Griffs 127.The
Um ein Abheben der Fläche H von dem Zylinderstift 130 und der Basisbleche 106 unter Last zu verhindern, weisen die Basisbleche 106 jeweils im Bereich M einen Querschnitt mit hoher Steifigkeit auf. Eine Verformung der Basisbleche 106 unter Last wird so verhindert und ein konstanter reproduzierbarer Kraft -Weg-Ausgleich realisiert.In order to prevent lifting of the surface H from the
In
In
- 101101
- CrimpwerkzeugCrimp Tool
- 102102
- Gedrehter KontaktTurned contact
- 103103
- Leiterladder
- 104104
- Crimpgesenkcrimping die
- 105105
- Crimpstempelcrimping dies
- 106106
- Basisblechbase plate
- 107107
- Öffnungopening
- 108108
- 109109
- 110110
- 111111
- 112112
- Bolzenbolt
- 113113
- Aussparungrecess
- 114114
- KniehebelkinematikToggle kinematics
- 115115
- Gelenkbolzenhinge pins
- 116116
- Gelenkbolzenhinge pins
- 117117
- Exzenterbolzeneccentric
- 118118
- SchubstrebeSchubstrebe
- 119119
- Hebellever
- 120120
- Abgerundeter VorsprungRounded edge
- 121121
- Justierscheibeadjustment disc
- 122122
- FlachkopfschraubeFlat headed screw
- 123123
- Verzahnunggearing
- 124124
- Sperrebarrier
- 125125
- Federfeather
- 126126
- GriffHandle
- 127127
- GriffHandle
- 128128
- 129129
- Kaskadenfedercascade spring
- 130130
- Zylinderstiftstraight pin
- 131131
- Federfeather
- 132132
- Federfeather
- 133133
- Verzahnunggearing
- 134134
- 135135
- 136136
- 137137
- Einschnittincision
- 138138
- Endpunktendpoint
- 139139
- Druckringpressure ring
- 140140
- Bolzenbolt
- 141141
- Stempelhalterpunch holder
- 142142
- Druckfedercompression spring
- 143143
- LocatorLocator
- 144144
- Verzahnunggearing
Claims (15)
- Crimping tool (101) for turned contacts (102) on electrical conductors (103), which has a crimping swage (104) that is made up of at least three crimping stamps (105), which furthermore has at least one basic sheet metal piece (106) and at least one lever (119) by means of which, via a toggle lever kinetic (114), the opening (107) of the crimping swage (104) can be made smaller and which also has a force-distance adjustment device that is designed to receive the required residual stroke of the crimping swage (104) as elastic deformation action in a stage in which the crimping swage (104), during the crimping of a turned contact (102), is already run on the block, although the distance still has to be covered, so that a block (124) will release the opening of the crimping swage (104), wherein the force-distance adjustment device is made as a cascade spring (129), whose one - first - spring (132) is a part of the basic sheet metal pieces (106) and whose other spring (131) has a lever, characterized in that the first spring (132) is in each case limited toward the rest of the basic sheet metal piece (106) by a cut (137) into the basic sheet metal piece (106) and essentially has a geometry in the shape of an arc-shaped leaf spring.
- Crimping tool (101) according to Claim 1, characterized in that the lever of the other spring (131) of the cascade spring (129) is arranged between the basic sheet metal pieces (106) and is preferably fastened on these with one of its ends.
- Crimping tool (101) according to one of the above claims, characterized in that the cut (137) essentially runs in each case parallel to the outer contour of the basic sheet metal piece (106).
- Crimping tool (101) according to one of the above claims, characterized in that the first spring (132) is a leaf spring, which essentially has a circular arc section-shaped geometry.
- Crimping tool (101) according to one of the above claims, characterized in that the crimping tool (101) has a thrust collar (139) to receive the crimping stamp (105).
- Crimping tool (101) according to one of the above claims, characterized in that the crimping stamp (105) of the crimping swage (104) are radially extended into a stamp holder (141) with relation to the opening (107) for the insertion of a turned contact (102) into the crimping swage (104).
- Crimping tool (101) according to one of the above claims 5 or 6, characterized in that the crimping stamps are extended radially through a contact area (S) in the thrust collar (139).
- Crimping tool (101) according to claim 7, characterized in that the contact area (S) is made as a curve with a constant slope.
- Crimping tool (101) according to one of the above claims 7 or 8, characterized in that the contact area (S) is made as a curve with a slope.
- Crimping tool (101) according to one of the above claims, characterized in that the crimping tool (101) phaselessly permits the crimping of conductor cross-sections with a size of 0.08 mm2 to 6.0 mm2.
- Crimping tool (101) according to one of the above claims, characterized in that the crimping tool (101) has a locator (143) by means of which the contact (102) is inserted into the opened crimping swage (104) and is retained in the crimping position.
- Crimping tool (101) according to claim 11, characterized in that the locator (143), after adjusting to the contact type to be processed, latches on in the adjusted position by means of a tooth gearing (144).
- Crimping tool (101) according to one of the above claims, characterized in that the crimping tool (101) has an eccentric bolt (117) by means of which one can adjust the basic position of the crimping swage (104).
- Crimping tool (101) according to claim 13, characterized in that the crimping tool (101) has an adjusting disc (121) and a flathead screw (122) by means of which the eccentric bolt (117) fixes them in the adjusted position.
- Crimping tool (101) according to one of the above claims, characterized in that the crimping tool (101) has a thrust strut (118) that is worked into a tooth gearing (123) to which engages a block (124) and thus prevents a premature opening of the crimping swage (104).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13175961T PL2685573T3 (en) | 2012-07-11 | 2013-07-10 | Crimping tool for turned contacts |
HRP20192290TT HRP20192290T1 (en) | 2012-07-11 | 2019-12-19 | Crimping tool for turned contacts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202012102562 | 2012-07-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2685573A2 EP2685573A2 (en) | 2014-01-15 |
EP2685573A3 EP2685573A3 (en) | 2014-05-07 |
EP2685573B1 true EP2685573B1 (en) | 2019-10-30 |
Family
ID=48790222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13175961.5A Active EP2685573B1 (en) | 2012-07-11 | 2013-07-10 | Crimping tool for turned contacts |
Country Status (10)
Country | Link |
---|---|
US (1) | US9564727B2 (en) |
EP (1) | EP2685573B1 (en) |
CN (1) | CN103545691B (en) |
DE (1) | DE202013103070U1 (en) |
DK (1) | DK2685573T3 (en) |
ES (1) | ES2777348T3 (en) |
HR (1) | HRP20192290T1 (en) |
HU (1) | HUE047071T2 (en) |
PL (1) | PL2685573T3 (en) |
RU (1) | RU2636652C2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2899708B1 (en) * | 2014-01-28 | 2017-05-17 | Siemens Schweiz AG | Combination of buses for a danger management system |
DE202014101650U1 (en) | 2014-04-08 | 2015-07-09 | Weidmüller Interface GmbH & Co. KG | Self-adjusting crimping tool |
DE202014103292U1 (en) * | 2014-07-17 | 2015-10-21 | Weidmüller Interface GmbH & Co. KG | Tool for stripping a cable |
USD838564S1 (en) * | 2015-03-02 | 2019-01-22 | Phoenix Contact Gmbh & Co. Kg | Tool |
CN107706692B (en) * | 2016-08-23 | 2023-12-19 | 昆山科森科技股份有限公司 | Wire crimping terminal pressfitting machine |
CN108075341B (en) * | 2017-01-18 | 2019-09-03 | 南昌友星电子电器有限公司 | A kind of compression bonding method and crimp of Wiring harness terminal |
RU196862U1 (en) * | 2019-12-23 | 2020-03-18 | Акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" | Universal Hand Crimping Tool |
USD901271S1 (en) * | 2020-07-23 | 2020-11-10 | Shenzhenshi Qinbaokeji Youxiangongsi | Crimping tool |
CN113474471B (en) * | 2021-03-18 | 2023-06-20 | 上海精智实业股份有限公司 | Flexible clamping device |
DE102021134355A1 (en) | 2021-12-22 | 2023-06-22 | Weidmüller Interface GmbH & Co. KG | Hand operated pliers tool |
Family Cites Families (17)
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US3063313A (en) | 1959-09-29 | 1962-11-13 | Buchanan Electrical Prod Corp | Locator controlled crimping tool |
US3459029A (en) * | 1967-02-28 | 1969-08-05 | Buchanan Electric Products Cor | Adjustable crimping tool |
SU1403172A1 (en) * | 1986-06-26 | 1988-06-15 | Предприятие П/Я М-5671 | Device for crimping contacts of electric connectors with wires |
WO1990000098A1 (en) | 1988-06-30 | 1990-01-11 | Karl Sauder | Radial press for essentially cylindrical workpieces |
DE9305607U1 (en) * | 1993-04-14 | 1993-06-17 | Minnesota Mining And Manufacturing Co., Saint Paul, Minn. | Tool for crimping insulated conductors in an electrical connector |
DE19507347C1 (en) | 1995-03-02 | 1996-09-12 | Rennsteig Werkzeuge Gmbh | Crimping pliers for wire end ferrules |
DE29806179U1 (en) * | 1998-04-03 | 1998-10-08 | Connectool GmbH & Co., 32758 Detmold | Crimping tool |
DE10060165A1 (en) * | 2000-12-04 | 2002-06-20 | Rennsteig Werkzeuge Gmbh | Adjustment and setting device for crimping tongs, has adjusting spindle for moving curved body holding arm part |
DE102004009489B4 (en) * | 2004-02-27 | 2013-09-05 | Gesellschaft für Fertigungstechnik und Entwicklung mbH | Method for operating a crimping tool |
FR2873504B1 (en) * | 2004-07-26 | 2007-04-13 | Airbus France Sas | TOOL AND METHOD FOR CRIMPING A CONTACT ON A CABLE |
DE102005003617B3 (en) | 2005-01-26 | 2006-06-14 | Wezag Gmbh Werkzeugfabrik | Crimping pliers e.g. for pressing edges of optical fibers or polymer conductors, has forced closure locking mechanism combined structurally with adjustable stop |
DE102005042450B4 (en) * | 2005-09-06 | 2008-01-17 | Airbus France | double crimping |
SE529618C2 (en) * | 2006-02-21 | 2007-10-09 | Pressmaster Ab | Crimping tool link |
DE102007005176B4 (en) | 2007-01-29 | 2009-10-08 | Rennsteig Werkzeuge Gmbh | Positioning device for crimping tools |
DE102007063669B4 (en) | 2007-01-29 | 2011-04-28 | Rennsteig Werkzeuge Gmbh | Crimping insert for a crimping tool |
FR2916091B1 (en) * | 2007-05-11 | 2009-07-17 | Eurocopter France | IMPROVEMENT IN INTEGRATED CONTROL CRIMPING SYSTEMS. |
DE102009026470A1 (en) * | 2009-05-26 | 2010-12-09 | Rennsteig Werkzeuge Gmbh | Method for monitoring the wear of a hand tool and device therefor |
-
2013
- 2013-06-29 US US13/931,880 patent/US9564727B2/en active Active
- 2013-07-04 RU RU2013130352A patent/RU2636652C2/en active
- 2013-07-10 PL PL13175961T patent/PL2685573T3/en unknown
- 2013-07-10 EP EP13175961.5A patent/EP2685573B1/en active Active
- 2013-07-10 DE DE202013103070U patent/DE202013103070U1/en not_active Expired - Lifetime
- 2013-07-10 HU HUE13175961A patent/HUE047071T2/en unknown
- 2013-07-10 DK DK13175961.5T patent/DK2685573T3/en active
- 2013-07-10 ES ES13175961T patent/ES2777348T3/en active Active
- 2013-07-11 CN CN201310291505.3A patent/CN103545691B/en not_active Expired - Fee Related
-
2019
- 2019-12-19 HR HRP20192290TT patent/HRP20192290T1/en unknown
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
PL2685573T3 (en) | 2020-05-18 |
HUE047071T2 (en) | 2020-04-28 |
EP2685573A3 (en) | 2014-05-07 |
CN103545691A (en) | 2014-01-29 |
US20140013594A1 (en) | 2014-01-16 |
RU2013130352A (en) | 2015-01-10 |
EP2685573A2 (en) | 2014-01-15 |
HRP20192290T1 (en) | 2020-03-20 |
US9564727B2 (en) | 2017-02-07 |
DE202013103070U1 (en) | 2013-10-14 |
ES2777348T3 (en) | 2020-08-04 |
RU2636652C2 (en) | 2017-11-27 |
DK2685573T3 (en) | 2020-02-03 |
CN103545691B (en) | 2017-03-01 |
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