EP0884811B1 - Verfahren und Einrichtung zur Herstellung einer Crimpverbindung - Google Patents
Verfahren und Einrichtung zur Herstellung einer Crimpverbindung Download PDFInfo
- Publication number
- EP0884811B1 EP0884811B1 EP19980110014 EP98110014A EP0884811B1 EP 0884811 B1 EP0884811 B1 EP 0884811B1 EP 19980110014 EP19980110014 EP 19980110014 EP 98110014 A EP98110014 A EP 98110014A EP 0884811 B1 EP0884811 B1 EP 0884811B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crimping
- crimp
- dead centre
- tool
- crimping process
- 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
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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
- H01R43/048—Crimping apparatus or processes
- H01R43/0488—Crimping apparatus or processes with crimp height adjusting means
Definitions
- the invention relates to a method and a device to control the connection of a contact with a conductor serving crimping process in which a Crimping tool of a crimping press from an initial position in a crimping position and then in an end position is moved, the movement of the crimping tool between the start position and the end position their Originating in a rotational movement with an upper one Has dead center and a bottom dead center and the Crimp position is approximately at bottom dead center
- the Crimping press essentially consists of a stand which is arranged a drive for a crimping tool on the stand led and driven crimp bear that the Exchangeable tool for making the crimp connection actuated.
- the one necessary for the crimping process Linear movement of the tool is, for example, from derived from a rotational movement that by means of a Motors, a transmission and one from the transmission driven shaft with eccentric pin is generated. Also crimping presses are known in which the linear movement directly by means of hydraulic and / or pneumatic Linear drives is generated.
- the size and shape of the contacts vary widely, which requires different tools makes.
- the crimp zones are the contacts structured differently.
- the stripped conductor becomes contact with an open crimp zone brought about 5-10 mm over the contact and in axial Direction compared to the contact by means of a sensor positioned.
- a first crimp stamp for the Insulation crimp and second crimp stamp for the Wire crimp the conductor is made using mechanical Device held and by the tool movement co-lowered, with a crimp connection between the Contact and the conductor insulation and a crimp connection between the contact and the electrically conductive Conductor wire is produced.
- Processing a Contact with a closed crimp zone is more complex because the stripped conductor into a tubular opening of the Crimp zone must be introduced.
- the processing of contacts with closed crimp zone is opposite the Processing of contacts with an open crimp zone time-consuming.
- the crimp connection is made between the movable one first and second crimp stamps for the insulation crimp or for the wire crimp and one accordingly trained fixed anvil.
- the contact also by means of the stamp movement via a mechanism a contact grid advanced.
- Crimp presses are mainly used in conductor processing with a tool stroke of 30 mm or 40 mm.
- the Crimping presses work mainly on the eccentric principle, wherein the linear movement of the stamp by means of the driven shaft arranged eccentric pin generated becomes.
- the rotating eccentric pin is loose Connection with the crimp bear and moves it linearly.
- the Rotational movement can also be done by means of a connecting rod in the Linear motion can be implemented.
- Eccentric crimping presses work quickly and are cheap to manufacture.
- a crimping press is known from DE 195 48 533 become, in which the crimping process in the upper Dead center position of the eccentric pin begins.
- the crimp stamp is then in the crimp position near bottom dead center of the eccentric pin moved. So that the sleeve of the contact the crimp stamp is not rebounded during a stopped at a certain time. Then the crimp stamp is in opposite direction in the top dead center position emotional.
- the swivel angle measured from top dead center of the eccentric pin depends on the type of contact elements selectable and determines the crimp position. This means that at the processing of different contact elements Anvil height cannot be changed.
- the invention seeks to remedy this.
- the invention as characterized in claim 1 solves the problem to avoid the disadvantages of the known device and a crimping press for making crimp connections create at which the tool stroke is adjustable.
- the advantages achieved by the invention are in essential to see in the fact that when processing different contacts no changeover of the crimping press is necessary and that even small contacts can be processed are. It is also advantageous that no sensors for Monitoring the starting position or intermediate position of the Tools with the stamps are necessary.
- the Crimping press according to the invention can without changing the Mechanics the number of crimping operations per unit of time be significantly increased.
- the controller also knows the crimping press the exact tool position at all times, with which a simple evaluation of the crimping forces is feasible and other machines involved in the crimping process can be synchronized.
- 1 to 16 with 1 is a stand without a right Designated side wall on which an engine 2 and an Stator 1 mounted gear 3 is arranged. Furthermore are arranged on the stand 1 first guides 4, on which a crimp bear 5 is guided.
- One from transmission 3 driven shaft 6 has an eccentric pin 7 at one end on, the other is a resolver 8 for detecting the Angle of rotation coupled.
- the crimp bear 5 consists of a in the first guides 4 out slide 9 and out a tool holder 10 with a holding fork 11.
- the slide 9 is in loose connection with the eccentric pin 7, wherein the rotational movement of the eccentric pin 7 in one Linear movement of the slider 9 is implemented.
- the maximum stroke of the slider 9 is by the upper Dead center and the bottom dead center of the eccentric pin 7 certainly.
- the tool holder 10 actuates a tool 12, this together with an anvil 13 belonging to the tool 12 makes the crimp connection.
- a Adjusting screw 14 By means of a Adjusting screw 14, the stroke can be adjusted precisely.
- a Operating terminal 15 provided as the interface between the operator and the crimping press.
- the operator terminal 15 For entering operating data and commands to a controller 16, the operator terminal 15 a knob 17 and a keyboard 18 on and for A display 19 is provided for the visualization of data.
- FIG. 2 and 3 show details of the tool 12 for Establishing a crimp connection.
- One in one Tool housing 20 guided stamp carrier 21 has a Carrier head 22, which is in loose connection with the Holding fork 11 of the tool holder 10 is.
- At the Stamp carriers are a first crimp stamp 23 and a second crimping die 24 arranged together with the appropriately trained anvil 13 the crimp connections produce.
- Fig. 2 shows the crimp stamp 23, 24 in the bottom dead center position of the eccentric pin 7, in which the Establishment of the crimp connection is complete.
- Fig. 3 shows the crimp stamps 23, 24 in the top dead center position of the eccentric pin 7. The punch stroke is determined by the two Dead center positions determined.
- FIG. 4 to 6 show the crimping process in which the end a conductor 25 is connected to a contact 26.
- a open crimp zone 27 of contact 26 has a first Double tab 28 for the insulation crimp and a second Double tab 29 for the wire crimp.
- Fig. 4 shows the Crimp stamp 23, 24 in the top dead center position, the end the conductor insulation lies in the first double tab 28 and the stripped conductor is in the second Double strap 29.
- Fig. 5 when lowering the crimp stamp 23, 24 the double tabs 28, 29 by means of wedge-shaped recesses 30 of the crimping dies 23, 24 pressed against each other.
- a dome shaped top of the Recess 30 gives the double tab 28, 29 together with the Conductor insulation or the conductor wire the final shape.
- FIG. 6 shows the finished crimp connection with a Insulation crimp 33, in which the first double tab 28 um the conductor insulation 31 is pressed and with a Wire crimp 34, in which the second double strap 29 around the Conductor wire 32 is pressed.
- Fig. 7 shows how the Wire crimp 34 the second double tabs 29 with the as Strand formed conductor wire 32 are squeezed.
- 8 to 13 show the rotation diagram of the eccentric pin 7.
- the rotational movement of the eccentric pin 7 during the straight Crimping processes are shown with a solid line.
- the Rotary movement of the eccentric pin 7 during the odd Crimping processes are shown with a broken line.
- 8 and 9 show the prior art, in which the Eccentric pin 7 at maximum stroke with each crimping process spins in the same direction.
- Start and end position A, E and intermediate position Z are determined using the Eccentric pin 7 detecting sensors 35, usually Proximity switch, detected and the crimp press with the corresponding signals controlled.
- Start and end position A, E and intermediate position Z are due to the geometric Arrangement of the sensors 35 predetermined and can only by Changing the sensor arrangement can be changed.
- the resolver 37 which is an absolute signal delivers per revolution and insensitive to Vibration exposure and temperature is. Because of his mechanical construction, its angular information remains as well received in the event of a power failure.
- the resolver 37 consists of a stator 38 and one driven by the shaft 6 Rotor 39 and is used to measure angular positions.
- At the Stator 38 is a first stator winding 40 and a second Stator winding 41 and a rotor winding 42 on the rotor 39 arranged.
- the rotor winding 42 is replaced by a AC voltage U1 with constant amplitude and frequency, for example 5000 Hz excited.
- the second stator winding 41 is 90 ° with respect to the first stator winding 40 shifted.
- Fig. 16 shows details of the controller 16 for the Crimping press.
- One at the entrance with a line filter 46 Equipped converter 47 sets the mains voltage in one DC voltage with which an inverter 48 is fed.
- Controlled semiconductor switches Gu ... Gz of the inverter 48 chop the DC voltage in one Pulse width modulation methods in three rectangular ones AC voltages in the motor 2 sinusoidal currents generate variable frequency.
- the rotational movement is from Motor 2 onto gear 3 and then onto shaft 6 transferred, at one end of the eccentric pin 7 and the other end of the resolver 37 is arranged.
- the Eccentric pin 7 moves the crimp bear 5 into one Linear motion.
- a pulse generator 49 generates that for the Control of the semiconductor switch Gu ...
- Gz necessary Pulse pattern which is fed to a driver stage 50, the at the output with the control lines of the semiconductor switches Gu ... Gz is connected.
- a computer 51 controls them all Functions of the crimping press. For data exchange between that stands for the computer and the peripheral components Bus system 45 available.
- a power supply 52 generates the necessary for the operation of the controller 16 Auxiliary voltages.
- a quartz-controlled clock 53 generates the clock frequency for the computer 51st battery-supported read-write memory 54 is used Computer 51 as working memory.
- a read memory 55 the program for controlling the crimping press is stored.
- Other machines involved in the crimping process such as for example conductor feed or contact feed, Control devices, safety circuits, etc. are with the Reference numeral 56 denotes and communicate for example for synchronization via bus system 45 with the Control 16.
- the operator terminal 15 is by means of a serial interface 57 connected to the computer 51.
- User-specific menus can be menu-guided at the operator terminal 15
- Data such as password, language, units etc., company-specific data such as acceleration, deceleration, Frequency of the motor, position points along the stroke Synchronization of the peripheral involved in the crimping process Machines and facilities can be entered. Furthermore can access system information via operator terminal 15, service-relevant data, statistical evaluations, Communication protocol data, drive data etc. be accessed.
- Operating modes such as calibration of the Starting position of the crimp bear 5, setup for Specification of the stroke required for the respective tool, Triggering a one-time crimping process to check the Crimp connection, crimping process with intermediate stop Positioning of the contact and subsequent pressing of the contact, crimping process with preselected stroke etc. can also be menu-guided via the control terminal 15 16 given, the crimp bear 5 and thus the tool 12 can be positioned by means of rotary knob 17.
- the principle of the selectable stroke can also be used, for example applied to crimp presses where the Linear movement of the crimping tool directly using Linear drives is generated. Instead of the resolver a linear encoder is used that runs along the tool position of the stroke.
Description
Es zeigen:
- Fig. 1
- eine Crimppresse mit einem Werkzeug zur Herstellung einer Crimpverbindung,
- Fig. 2
- das Werkzeug mit Crimpstempeln in der unteren Totpunktlage,
- Fig. 3
- das Werkzeug mit Crimpstempeln in der oberen Totpunktlage,
- Fig. 4, 5, 6,
- einen Crimpvorgang zur gleichzeitigen Herstellung eines Isolationscrimps und eines Drahtcrimps,
- Fig. 7
- Einzelheiten eines Drahtcrimps,
- Fig. 8
- ein Drehbild der Crimppresse mit gleichbleibender Drehung und maximalem Hub für Kontakte mit offener Crimpzone,
- Fig. 9
- ein Drehbild der Crimppresse mit gleichbleibender Drehung, maximalem Hub und Zwischenposition zur Kontaktzentrierung für Kontakte mit geschlossener Crimpzone,
- Fig. 10
- ein Drehbild der Crimppresse mit alternierender Drehung und maximalem Hub für Kontakte mit offener Crimpzone,
- Fig. 11
- ein Drehbild der Crimppresse mit alternierender Drehung und kleinerem Hub für Kontakte mit offener Crimpzone,
- Fig. 12
- ein Drehbild der Crimppresse mit alternierender Drehung, maximalem Hub und Zwischenposition zur Kontaktzentrierung für Kontakte mit geschlossener Crimpzone,
- Fig. 13
- ein Drehbild der Crimppresse mit alternierender Drehung, kleinerem Hub und Zwischenposition zur Kontaktzentrierung für Kontakte mit geschlossener Crimpzone,
- Fig. 14
- den prinzipiellen Aufbau eines Resolvers zur Messung von Winkelpositionen,
- Fig. 15
- eine Resolverschnittstelle und
- Fig. 16
- Einzelheiten einer Pressensteuerung.
Claims (5)
- Verfahren zur Steuerung eines der Verbindung eines Kontaktes mit einem Leiter dienenden Crimpvorganges, bei dem ein Crimpwerkzeug (12) einer Crimppresse von einer Anfangsposition (A) in eine Crimpposition (C) und anschliessend in eine Endposition (E) verfahren wird, wobei die Bewegung des Crimpwerkzeuges (12) zwischen der Anfangsposition (A) und der Endposition (E) ihren Ursprung in einer Rotationsbewegung mit einem oberen Totpunkt und einem unteren Totpunkt hat und die Crimpposition (C) etwa im unteren Totpunkt liegt,
dadurch gekennzeichnet, dass die Anfangsposition (A) wählbar ist und im Laufe des Crimpvorganges vor dem unteren Totpunkt liegt und dass die Endposition (E) wählbar ist und im Laufe des Crimpvorganges nach dem unteren Totpunkt liegt, wobei der Crimpvorgang ohne Überfahren des oberen Totpunktes erfolgt. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Richtung der Rotationsbewegung für den nachfolgenden Crimpvorgang der Richtung der Rotationsbewegung für den vorangehenden Crimpvorgang entgegengesetzt ist. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die jeweilige Position des Crimpwerkzeuges (12) erfasst und zur Steuerung verwendet wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass ein einmaliger Crimpvorgang zur Prüfung der Crimpverbindung, ein Crimpvorgang mit Zwischenhalt zur Positionierung des Kontaktes oder ein Crimpvorgang mit vorgewähltem Hub wählbar sind. - Einrichtung zur Herstellung einer Crimpverbindung mittels eines motorisch angetriebenen Crimpwerkzeuges (12), welches von einer Anfangsposition (A) in eine Crimpposition (C) und anschließend in eine Endposition (E) verfahrbar ist, wobei des Crimpwerkzeuges (12) zwischen der Anfangsposition (A) und des Endposition (E) mittels einer Exzenters (7) mit einem oberen und einem unteren Totpunkt verfahrbar ist und die Crimpposition (C) etwa ein unteren Totpunkt liegt, wobei der Crimpvorgang ohne Überfahren des oberen Totpunktes erfolgt, wobei eine Steuerung (16) vorgesehen ist, die einen Antriebsmotor (2) für das Crimpwerkzeug (12) nach wählbaren Vorgaben und nach einem Geber (37) für die jeweilige Position des Crimpwerkzeuges (12) steuert und wobei ein mit der Steuerung (16) in Verbindung stehendes Bedienterminal (15) vorgesehen ist, das eine Tastatur (18) und eine Anzeige (19) zur Eingabe und Visualisierung von Benutzer- und Systemdaten aufweist,
dadurch gekennzeichnet, dass das Bedienterminal (15) einen Drehknopf (17) zur Wahl der Anfangs- und Endposition (A, E) des Crimpwerkzeugs (12) aufweist.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19980110014 EP0884811B1 (de) | 1997-06-12 | 1998-06-02 | Verfahren und Einrichtung zur Herstellung einer Crimpverbindung |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97810371 | 1997-06-12 | ||
EP97810371 | 1997-06-12 | ||
EP19980110014 EP0884811B1 (de) | 1997-06-12 | 1998-06-02 | Verfahren und Einrichtung zur Herstellung einer Crimpverbindung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0884811A1 EP0884811A1 (de) | 1998-12-16 |
EP0884811B1 true EP0884811B1 (de) | 2003-01-22 |
Family
ID=26148037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980110014 Expired - Lifetime EP0884811B1 (de) | 1997-06-12 | 1998-06-02 | Verfahren und Einrichtung zur Herstellung einer Crimpverbindung |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0884811B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006043561B3 (de) * | 2006-09-16 | 2008-04-30 | Schäfer Werkzeug- und Sondermaschinenbau GmbH | Verfahren und Vorrichtung zur Kalibrierung einer Anschlagpresse |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1202404B1 (de) * | 2000-10-30 | 2011-05-18 | Komax Holding AG | Verfahren und Einrichtung zur Herstellung einer Crimpverbindung |
EP1381123B1 (de) * | 2002-07-10 | 2011-06-22 | Komax Holding AG | Crimppresse mit Kontaktzuführung |
US7024752B2 (en) | 2002-07-10 | 2006-04-11 | Komax Holding Ag | Crimping press with contact feed |
EP1879266B1 (de) * | 2006-07-13 | 2013-03-20 | Schäfer Werkzeug- und Sondermaschinenbau GmbH | Verfahren und Vorrichtung zum Einstellen der Hubbewegung einer Crimpvorrichtung |
ES2453376T3 (es) | 2007-02-03 | 2014-04-07 | Schafer Werkzeug- Und Sondermaschinenbau Gmbh | Dispositivo de engarce |
DE102007036095A1 (de) * | 2007-08-01 | 2009-02-19 | Bernhard Schäfer Werkzeug- und Sondermaschinenbau GmbH | Crimppresse mit einer um eine Achse rotierbaren Exzenterwelle zum Antrieb eines Pressenbärs |
DE102007056460B4 (de) * | 2007-11-23 | 2009-11-05 | Schäfer Werkzeug- und Sondermaschinenbau GmbH | Crimppresse mit einer um eine Achse rotierbaren Exzenterwelle zum Verschieben eines Pressenbärs |
DE102011004473A1 (de) * | 2011-02-21 | 2012-08-23 | Tyco Electronics Amp Gmbh | Crimpwerkzeug |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8914501D0 (en) * | 1989-06-23 | 1989-08-09 | Amp Gmbh | Press with control circuit arrangement |
SG48725A1 (en) * | 1992-11-11 | 1998-05-18 | Bruderer Ag | A method of operating a punch press during start-up and stopping |
US5727409A (en) * | 1994-12-28 | 1998-03-17 | Yazaki Corporation | Method of controlling a terminal crimping apparatus |
-
1998
- 1998-06-02 EP EP19980110014 patent/EP0884811B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006043561B3 (de) * | 2006-09-16 | 2008-04-30 | Schäfer Werkzeug- und Sondermaschinenbau GmbH | Verfahren und Vorrichtung zur Kalibrierung einer Anschlagpresse |
Also Published As
Publication number | Publication date |
---|---|
EP0884811A1 (de) | 1998-12-16 |
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