EP2378615A1 - Presse de sertissage - Google Patents

Presse de sertissage Download PDF

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Publication number
EP2378615A1
EP2378615A1 EP10160378A EP10160378A EP2378615A1 EP 2378615 A1 EP2378615 A1 EP 2378615A1 EP 10160378 A EP10160378 A EP 10160378A EP 10160378 A EP10160378 A EP 10160378A EP 2378615 A1 EP2378615 A1 EP 2378615A1
Authority
EP
European Patent Office
Prior art keywords
crimping
force
press
spring
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.)
Withdrawn
Application number
EP10160378A
Other languages
German (de)
English (en)
Inventor
Thomas Wortmann
Mustafa Ayabakan
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.)
Schleuniger Holding AG
Original Assignee
Schleuniger Holding AG
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 Schleuniger Holding AG filed Critical Schleuniger Holding AG
Priority to KR1020127026388A priority Critical patent/KR101801997B1/ko
Priority to JP2013504380A priority patent/JP5916706B2/ja
Priority to EP11722534.2A priority patent/EP2559116B1/fr
Priority to BR112012021935A priority patent/BR112012021935A2/pt
Priority to CN201180016813.4A priority patent/CN102859812B/zh
Priority to PCT/IB2011/051576 priority patent/WO2011128844A1/fr
Priority to CA2789636A priority patent/CA2789636C/fr
Priority to RU2012148043/07A priority patent/RU2012148043A/ru
Priority to MX2012009827A priority patent/MX2012009827A/es
Publication of EP2378615A1 publication Critical patent/EP2378615A1/fr
Priority to US13/650,150 priority patent/US9300102B2/en
Withdrawn legal-status Critical Current

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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
    • 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
    • H01R43/0486—Crimping apparatus or processes with force measuring means
    • 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
    • H01R43/0482—Crimping apparatus or processes combined with contact member manufacturing mechanism
    • 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
    • H01R43/0484—Crimping apparatus or processes for eyelet contact members
    • 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
    • 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
    • Y10T29/53235—Means to fasten by deformation

Definitions

  • the invention relates to a crimping press comprising a first crimping tool, a second crimping tool movable relative to the first crimping tool, and a drive for applying a crimping force between first and second crimping tools during a crimping operation.
  • Crimping which is a special way of crimping, is a joining process in which a wire or cable is connected by plastic deformation to a contact, often in the form of a plug.
  • the resulting non-detachable connection between conductor and contact ensures high electrical and mechanical safety and thus represents an alternative to conventional connections such as soldering or welding.
  • electrical engineering eg HF electronics, telecommunications , Automotive electrical system.
  • connection is created by pressure, whereby exactly on the connecting part and conductor cross-section matched crimping effect a precisely predetermined deformation of the connection element and conductor.
  • This process is usually carried out with the help of a special crimping tool or a crimping press.
  • crimping tools are usually relatively simple, the construction of a crimping press is comparatively complex.
  • the wire or cable usually inserted with already stripped strands, in the crimp claw of the contact in the press and the contact pressed on it in the tool of the crimping press with the wire or cable.
  • a press ram presses against the tool and thus generates the pressure necessary for the crimping process.
  • the force-displacement curve or the force-time profile during a crimping process is quite frequently determined.
  • the force acting between the two crimping tools is recorded as a function of the distance between the two tools and analyzed with regard to various desired parameters. If the actual course differs significantly from a desired course, then the (faulty) crimp connection should be sorted out, or parameters of the crimp press should be readjusted so that proper crimp connections are produced again.
  • a disadvantage of known crimping presses is that the drive of a crimping press generally consists of a plurality of movable components, which are connected to one another via different bearings.
  • an eccentric press on a drive shaft with a drive shaft bearing the drive shaft in turn comprises an eccentric, which is mounted in a connecting rod. This acts via a connecting rod bearing on the press carriage, which is mounted on both sides in a carriage guide.
  • the bearing surfaces of the individual bearings are pressed together at different times, resulting in the force-displacement curve or force-time curve by flattening (variable path or variable time with the same force ) or even expressed by local minima and discontinuities.
  • flattening variable path or variable time with the same force
  • the object of the invention is therefore to provide an improved crimping press, in particular a crimping press, in which the impairment of a determined force-displacement curve or force-time course is reduced by bearing clearance.
  • a crimping press of the type mentioned additionally comprising biasing means for applying a Vorkraft between the first and second crimping tool, which is rectified with the crimping force and already acts before the crimping process.
  • the benefit of the invention is therefore primarily to be able to build a press with machine elements of low precision and also to be able to save adjustment work without having to forego the detection of a meaningful force-displacement curve or force-time curve. Furthermore, the inventive problem is solved in principle, since even before the crimp manufacturing process adjacent bearing surfaces can not scatter any abnormalities in the determined force-displacement curve or force-time curve. By the measures according to the invention, therefore, a great effect is achieved with little effort. These are therefore not only cost effective but also efficient.
  • the inventive measures not only have a positive effect on the determination of a force-displacement curve or force-time curve, but also influence the production process of a crimp connection as such in an advantageous manner because of the reduced influence of bearing clearance.
  • the effectiveness of the invention is largely independent of the nature of the drive mechanism of the press.
  • the invention is therefore equally applicable to e.g. Crank presses, presses with eccentric shaft and slide gate, spindle presses and toggle mechanisms can be used.
  • the term "drive” in the context of the invention designates not only a motor as such (that is, for example, an electric rotary motor or a hydraulic linear motor) but also the means for transmitting the motor power to the crimping tool or crimping tools.
  • the drive also includes all types of shafts, pulleys, tenons, levers, connecting rods, carriages and the like located in the drive train.
  • the preliminary force is dimensioned such that bearing surfaces of the drive lie against each other without play before the crimp-producing process.
  • all bearing clearances are "degraded" before the actual crimping process, so that the crimping process and in particular the determination of a force-displacement curve or a force-time curve during the crimping process are entirely uninfluenced by bearing clearance can.
  • a preliminary force is applied between a crimping tool and the machine frame. This may be easier to accomplish than applying the pre-load directly to both crimping tools. If one of the two crimping tools is stationary with respect to the machine frame, the application of the crimping tool, which is movable relative to the machine frame, is generally sufficient. If both crimping tools are movable, then advantageously both are subjected to a pre-load.
  • the biasing means are formed by at least one spring, in particular a helical spring, an evolute spring, a leaf spring, a plate spring, a gas spring, an elastomer spring and / or a spring made of a fiber composite material.
  • the said springs are known per se and represent proven means for applying a force.
  • the biasing means can thus be implemented in a particularly simple technical way in practice.
  • the said springs have different spring characteristics and can therefore be particularly well adapted to the inventive requirements, in particular by combining different springs and spring types. Depending on the design of the press namely different spring characteristics are advantageous. Springs are also divided into compression, torsion, bending, tension and gas springs.
  • Elastomeric springs offer excellent damping properties as well as high mechanical strength and good resistance to many chemicals and oils. Due to the generally smooth surface, they are also less susceptible to contamination or easy to clean. It should also be noted at this point that in the context of the invention the term "elastomer springs” also means springs made of silicone.
  • the biasing means are formed by at least one actuator, in particular by a pneumatic cylinder, a hydraulic cylinder or a PiezoElement.
  • a pneumatic cylinder instead of a spring or in addition to a Vorkraft can in principle be used up by an actuator, for example by a pneumatic cylinder. This is applied before the crimp manufacturing process with appropriate pressure. Since a gas spring can also be subjected to variable pressure, the boundaries between gas springs and pneumatic cylinders are fluid.
  • actuators can also be completely relieved if necessary, which can be particularly advantageous when changing tools or other maintenance on the crimping press.
  • the biasing means are designed to be adjustable, in particular manually or automatically adjustable.
  • the header means be optimally adapted to the crimping process.
  • aging effects on the crimping press eg soiled bearings, changed viscosity of lubricating grease
  • temperature influences can thus be well compensated.
  • the adjustment takes place automatically.
  • the biasing force can be adjusted depending on an ambient temperature.
  • Fig. 1 shows a first exemplary force-time curve during a crimping process.
  • the force F acting between the two crimping tools is plotted against time t, which elapses as the first crimping tool moves relative to the second crimping tool.
  • the force F increases relatively sharply from a certain point, namely, when both crimping tools abut the workpiece. After a maximum force, however, the force F drops again sharply, namely, when the crimping tools move away from each other again.
  • This is a typical force-time curve during a crimping process.
  • the force-time curve in practice significantly differ, for example, when different types of contacts are pressed onto a wire.
  • the section D of the force-time curve which is actually intended to determine the quality of a crimp connection, but in this example has two sections A, B, which caused not by the crimp manufacturing process as such, but by bearing clearance become. As can easily be seen, this greatly impedes the assessment of the quality of a crimp connection. Under certain circumstances, the bearing clearance could even lead so far that the force-time curve in the areas A and B leaves an allowable tolerance band and the crimp connection is therefore erroneously qualified as unusable.
  • Fig. 2 shows the same situation as in Fig. 1 , except that in this example according to the invention a pre-load between the first and second crimping tool is applied, which is rectified with the crimping force F and already acts before the crimping process. In the present case this is caused by a spring with linear spring characteristic C (Note: Since the crimping tools move away from the maximum force F again from each other, the spring characteristic C falls again from this point).
  • Fig. 3 shows a similar situation as in Fig. 2 , but with a modified spring characteristic C.
  • a spring characteristic C can be realized with a gas pressure spring, which has a pressure relief valve. The pressure in the interior of the gas pressure spring and thus the external force increase first strong, but remain at a constant level when the pressure relief valve opens.
  • the spring characteristic C can be well adapted to various requirements.
  • other types of springs with a degressive spring characteristic can be used equally.
  • Fig. 4 shows a similar situation as in Fig. 3 , however, the pre-load is actively influenced by an actuator in this example.
  • the force F increases as in Fig. 3 first strong and then remains constant. Unlike the in Fig. 3 However, it remains constant even at the beginning of the crimping process (see dashed curve). This is achieved by measuring the force F and reducing the pre-load to such an extent that the total force F remains at a constant level. The force F is thus regulated. If it increases because of the beginning of the crimping process, the pre-load is correspondingly reduced.
  • the force F is higher than the pre-power due to the crimping process
  • the force F - because a further lowering of the pre-power is no longer possible - no longer be kept constant and increases as in the above examples (it because, the actuator for applying the Vorkraft can apply this in the opposite direction).
  • the force-time curve therefore compensates for the force-time curve in this area Fig. 1 , However, if the force F drops below the set level for the pre-load again, then the pre-load is successively increased again, so that at the end of the crimping process, there is again a horizontal section in the force-time curve.
  • the advantage of this variant of the invention is that the maximum force in the force-time curve despite applying a Vorkraft not above the in Fig. 1 level without pre-power.
  • the crimping press is controlled by the pre-load unlike the ones in the Figures 2 and 3 illustrated cases - not claimed.
  • actuators for in Fig. 4 illustrated variant of the invention are, for example, pneumatic or hydraulic cylinders into consideration, the pressure can be actively controlled.
  • actuators which are suitable for applying an adjustable Vorkraft be used.
  • the biasing means or the pre-load are adjusted so that the bearing surfaces play each other without play during the crimping process lie down and thus no more anomalies occur.
  • the pre-load is advantageously dimensioned so that no anomalies can be detected.
  • the crimping press 1 comprises a machine frame 2, a drive shaft 4 mounted in a drive shaft bearing 3, an eccentric 5 connected to the drive shaft 4 and a connecting rod 6 connected to the eccentric 5, which has a connecting rod bearing 7 a press carriage 8 is connected.
  • the press carriage 8 is displaceably mounted in the slide guides 9a and 9b.
  • a crimping apparatus 10 which comprises a first crimping tool 11, is connected to the machine frame 2.
  • this is the first crimping tool 11 fixed relative to the machine frame 2. This is by no means a mandatory condition. Rather, the first crimping tool 11 can also be movably mounted relative to the machine frame 2.
  • the press slide 8 Via a bending beam, on which a crimp force sensor 12 is arranged, the press slide 8 is also connected to a second crimping tool 13, which in such a way is movable relative to the machine frame 2.
  • the crimping press 1 comprises a carriage-side mount 14, a frame-fixed mount 16 and an elastic element 15 arranged between the carriage-side mount 14 and the frame-fixed mount 16.
  • an elastic element 18 can also be provided, which is arranged between a frame-fixed holder 17 and the carriage-side holder 14 and is subjected to tension.
  • a coil spring, an Evolutfeder, a leaf spring, a plate spring, a gas spring, an elastomeric spring or a spring may be provided from a fiber composite material to effect a force-time curve, as he, for example, in Fig. 2 and 3 is shown.
  • actuators 15 or 18 may also be provided actuators.
  • a pneumatic cylinder may be provided, the pressure of which can be actively controlled, so as to effect a force-time curve, as he, for example, in Fig. 4 is shown.
  • elastic elements or actuators are arranged elsewhere than shown.
  • these can be arranged directly between the first and the second crimping tool 11 and 13.
  • a plurality of biasing means may be arranged on the press 1, for example, between the connecting rod 6 and eccentric 5 and between the connecting rod 6 and press carriage 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Press Drives And Press Lines (AREA)
  • Control Of Presses (AREA)
EP10160378A 2010-04-13 2010-04-19 Presse de sertissage Withdrawn EP2378615A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PCT/IB2011/051576 WO2011128844A1 (fr) 2010-04-13 2011-04-12 Presse de sertissage
JP2013504380A JP5916706B2 (ja) 2010-04-13 2011-04-12 圧着プレス
EP11722534.2A EP2559116B1 (fr) 2010-04-13 2011-04-12 Presse de sertissage
BR112012021935A BR112012021935A2 (pt) 2010-04-13 2011-04-12 prensa de crimpagem.
CN201180016813.4A CN102859812B (zh) 2010-04-13 2011-04-12 压接机
KR1020127026388A KR101801997B1 (ko) 2010-04-13 2011-04-12 압착 프레스
CA2789636A CA2789636C (fr) 2010-04-13 2011-04-12 Presse de sertissage
RU2012148043/07A RU2012148043A (ru) 2010-04-13 2011-04-12 Обжимной пресс
MX2012009827A MX2012009827A (es) 2010-04-13 2011-04-12 Prensa engarzadora.
US13/650,150 US9300102B2 (en) 2010-04-13 2012-10-12 Crimping press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5302010 2010-04-13

Publications (1)

Publication Number Publication Date
EP2378615A1 true EP2378615A1 (fr) 2011-10-19

Family

ID=43012767

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10160378A Withdrawn EP2378615A1 (fr) 2010-04-13 2010-04-19 Presse de sertissage
EP11722534.2A Active EP2559116B1 (fr) 2010-04-13 2011-04-12 Presse de sertissage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11722534.2A Active EP2559116B1 (fr) 2010-04-13 2011-04-12 Presse de sertissage

Country Status (10)

Country Link
US (1) US9300102B2 (fr)
EP (2) EP2378615A1 (fr)
JP (1) JP5916706B2 (fr)
KR (1) KR101801997B1 (fr)
CN (1) CN102859812B (fr)
BR (1) BR112012021935A2 (fr)
CA (1) CA2789636C (fr)
MX (1) MX2012009827A (fr)
RU (1) RU2012148043A (fr)
WO (1) WO2011128844A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104885312A (zh) * 2012-12-27 2015-09-02 矢崎总业株式会社 用于端子压接装置的压力传感器装接结构以及采用该压力传感器装接结构的压接力检测方法
CN112106264A (zh) * 2018-04-24 2020-12-18 施洛伊尼格股份公司 换刀装置，加工机，更换刀具的方法

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* Cited by examiner, † Cited by third party
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EP2378615A1 (fr) 2010-04-13 2011-10-19 Schleuniger Holding AG Presse de sertissage
JP2013105560A (ja) * 2011-11-11 2013-05-30 Furukawa Electric Co Ltd:The 端子圧着装置
CN104158057A (zh) * 2014-08-22 2014-11-19 苏州昌飞自动化设备厂 双耳扁缆铜接头组装机的电缆卡爪下顶机构
DE102019101016A1 (de) * 2019-01-16 2020-07-16 Harting Electric Gmbh & Co. Kg Verfahren und Vorrichtung zur Überprüfung der Qualität einer Crimpung
CN112453898B (zh) * 2020-12-12 2022-10-11 江西洪都航空工业集团有限责任公司 一种花洒弹簧组装设备
CN114512872A (zh) * 2022-03-04 2022-05-17 东莞市锐升电线电缆有限公司 一种排接线剥线打端子设备

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KR101801997B1 (ko) 2017-11-27
EP2559116B1 (fr) 2017-11-01
EP2559116A1 (fr) 2013-02-20
CA2789636A1 (fr) 2011-10-20
CA2789636C (fr) 2018-12-18
US20130055563A1 (en) 2013-03-07
WO2011128844A1 (fr) 2011-10-20
JP2013524475A (ja) 2013-06-17
KR20130064726A (ko) 2013-06-18
RU2012148043A (ru) 2014-05-20
CN102859812B (zh) 2016-01-20
MX2012009827A (es) 2012-09-12
CN102859812A (zh) 2013-01-02
JP5916706B2 (ja) 2016-05-11
BR112012021935A2 (pt) 2016-05-31

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