EP3599041A1 - Tragbares werkzeug mit abmontierbarem kopf - Google Patents

Tragbares werkzeug mit abmontierbarem kopf Download PDF

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Publication number
EP3599041A1
EP3599041A1 EP19184712.8A EP19184712A EP3599041A1 EP 3599041 A1 EP3599041 A1 EP 3599041A1 EP 19184712 A EP19184712 A EP 19184712A EP 3599041 A1 EP3599041 A1 EP 3599041A1
Authority
EP
European Patent Office
Prior art keywords
barrel
portable tool
pressure
shoe
groove
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.)
Granted
Application number
EP19184712.8A
Other languages
English (en)
French (fr)
Other versions
EP3599041B1 (de
Inventor
Yann-Erick LEMONNIER
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.)
Airbus Operations SAS
Original Assignee
Airbus Operations SAS
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 Airbus Operations SAS filed Critical Airbus Operations SAS
Publication of EP3599041A1 publication Critical patent/EP3599041A1/de
Application granted granted Critical
Publication of EP3599041B1 publication Critical patent/EP3599041B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/105—Portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
    • B21J15/142—Aerospace structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/20—Drives for riveting machines; Transmission means therefor operated by hydraulic or liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
    • B21J15/285—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups for controlling the rivet upset cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/36—Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
    • B21J15/48—Devices for caulking rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor

Definitions

  • the present invention relates to a portable tool comprising a removable head, as well as a system using such a portable tool.
  • the installation of a rivet is carried out using a tool which includes a jaw intended to crush the rivet as it is described in the document DE 20 2016 102 595 .
  • a tool which includes a jaw intended to crush the rivet as it is described in the document DE 20 2016 102 595 .
  • An object of the present invention is to provide a portable tool which has an easily removable head.
  • the head of such a tool can therefore be easily and quickly disassembled and replaced as required, without the aid of a tool or a specialist technician.
  • the portable tool includes a brake for each drawer.
  • the brake takes the form of a ball mounted on a spring in the shoe where the spring constrains the ball against the drawer.
  • the portable tool comprises an O-ring placed in a groove around the barrel and which rubs against the surface of the shoe bore.
  • the Fig. 1 shows a portable tool 100 according to the invention and which is configured here for setting rivets.
  • the Fig. 2 shows a section of the portable tool 100 according to a median plane and without the head.
  • the portable tool 100 comprises a hollow body 102 delimiting two chambers 104a, 104h and a jack 106 comprising a piston 107 slidably mounted in the chambers 104a, 104h.
  • the two chambers 104a and 104h are arranged on either side of the piston 107.
  • the pressure difference between the two chambers 104a, 104h makes it possible to move the piston 107 in one direction or the other.
  • the body 102 has a barrel 112 which extends outwards from a shoulder 113 and the jack 106 has a rod 110 which is integral with the piston 107 and which is housed in the barrel 112. Depending on the position of the piston 107 in chambers 104a and 104h, the free end of the rod 110 more or less emerges from the barrel 112.
  • the jack 106 is hydraulically activated and for this purpose, the body 102 has an inlet socket h which communicates with the chamber 104h which is opposite the rod 110 and which is intended to be connected to a pressure generator hydraulic.
  • the portable tool 100 also includes a head 114 in the form of a C, a first end 116 of which forms a shoe 124 which has a bore in which the barrel 112 is fitted and whose second end 118 is opposite the free end of the rod 110.
  • the second end 118 is aligned with the rod 110.
  • the shoe 124 bears against the shoulder 113.
  • the portable tool 100 also includes a fixing system 120, a section of which is shown in Fig. 3 and which is provided for removably fixing the shoe 124 to the barrel 112.
  • the fixing system 120 comprises a groove 122 produced on the periphery of the barrel 112 and therefore coaxially with the axis of the barrel 112.
  • the fixing system 120 also includes two drawers 126a-b which are slidably mounted on the shoe 124 parallel to a displacement plane which is perpendicular to the axis of the barrel 112.
  • Each drawer 126a-b has a front 128 in an arc of a circle and is movable between a tightened position and a separated position. In the tightened position, the front 128 is housed in the groove 122 and in the separated position, the front 128 is outside the groove 122.
  • the shoe 124 in the closed position, the shoe 124 is wedged between the shoulder 113 and the groove 122 by means of the drawers 126a-b and it is therefore secured to the body 102.
  • the shoe 124 In the separated position, the shoe 124 can be detached from the body 102 and the head 114 can be replaced by another head.
  • the operation of the portable tool 100 is then as follows: the rivet is placed at the second end 118 which is shaped to receive and maintain it, for example due to the presence of an appropriate hole or of a snap, then the cylinder 106 is activated to deploy the rod 110, the free end of which crushes the rivet to fix it.
  • the free end may include a dowel.
  • the installation and replacement of the head 114 are therefore simple, rapid and do not require any tool or the assistance of a specialist technician.
  • the shoe 124 To guide each drawer 126a-b in translation, the shoe 124 has a guide rib 302 on which is fitted a guide groove 304 of the drawer 126a-b.
  • the guide rib 302 and the guide groove 304 each take the form of a T, but other forms are possible.
  • screws 130 are screwed into the shoe 124 by passing through said drawer 126a-b through slots 132 provided for this purpose.
  • the lights 132 take an oblong shape to allow the displacement of the drawer 126a-b.
  • the screws 130 prevent the loss of the drawer 126a-b.
  • a brake 306 is provided for each drawer 126a-b.
  • the brake 306 takes the form of a ball mounted on a spring in the shoe 124 where the spring constrains the ball against the drawer 126a-b and ensures the stability of the positioning of the drawer 126a-b in the closed position and in the separated position.
  • the rotating brake 202 is here an O-ring which is arranged in a groove around the barrel 112 and which rubs against the surface of the bore of the shoe 112.
  • the head 114 can therefore take different positions around the axis of the barrel 112 and be maintained in these different positions, which facilitates the work of the technician.
  • the free end of the rod 110 and the second end 118 are shaped to receive the rivet to be fixed, and may include rivets.
  • the portable tool 100 can be used for other types of fixing. For example, it is possible to attach a first jaw to the free end of the rod 110 and a second jaw at the second end 118 and after activation of the jack 106, the first jaw approaches the second jaw to crush the part arranged between them. Depending on the type of jaw set up, it is then possible to draw or stretch necking. It is also possible to clinch by putting in place the means necessary for the free end of the rod 110 and the second end 118.
  • the Fig. 4 shows a system 400 using the portable tool 100 according to the invention.
  • the system 400 thus comprises the portable tool 100 and a hydraulic system 402.
  • the hydraulic system 402 comprises a control unit 404, a hydraulic pressure generator 406 which supplies hydraulic pressure to the portable tool 100 through the inlet 108h and an adjustment panel 408.
  • the hydraulic pressure generator 406 is capable of delivering a fluid under at least two different operating pressures.
  • the control panel 408 can be a touch screen or buttons or the like. It adjusts the two operating pressures for the hydraulic pressure generator 406.
  • the first pressure corresponds to a pressure which makes it possible to move the rod 110 to bring it into abutment against the second end 118 until contact with the rivet
  • the second pressure greater than the first pressure corresponds to a pressure which makes it possible to exceed the elastic limit of the rivet to deform it plastically and produce a rivet
  • the control unit 404 conventionally comprises, connected by a communication bus: a processor or CPU ("Central Processing Unit” in English); a random access memory RAM (“Random Access Memory” in English); a read only memory (ROM); a storage unit such as a hard disk or a storage medium reader, such as an SD (“Secure Digital”) card reader; at least one communication interface, allowing for example the control unit 404 to communicate with the adjustment panel 408 and the hydraulic pressure generator 406.
  • a processor or CPU Central Processing Unit
  • RAM Random Access Memory
  • ROM read only memory
  • storage unit such as a hard disk or a storage medium reader, such as an SD (“Secure Digital”) card reader
  • SD Secure Digital
  • the processor is capable of executing instructions loaded in RAM from the ROM, an external memory (not shown), a storage medium (such as an SD card), or a network of communication.
  • the processor is able to read and execute instructions from RAM.
  • These instructions form a computer program causing the processor to implement all or part of the algorithms and steps described below.
  • All or part of the algorithms and steps described below can be implemented in software form by execution of a set of instructions by a machine programmable, for example a DSP (“Digital Signal Processor” in English) or a microcontroller, or be implemented in hardware form by a machine or a dedicated component, for example an FPGA (“Field-Programmable Gate Array”) or a ASIC ("Application-Specific Integrated Circuit" in English).
  • a machine programmable for example a DSP (“Digital Signal Processor” in English) or a microcontroller
  • FPGA Field-Programmable Gate Array
  • ASIC Application-Specific Integrated Circuit
  • the portable tool 100 has two buttons 410a-b and the control unit 404 communicates with these buttons 410a-b through the communication interface.
  • an electrical connector 108e connected with the buttons 410a-b is provided on the body 102 for connecting electrical conductors of the control unit 404.
  • the technician releases one or both buttons 410a-b, the control unit 404 then controls the hydraulic pressure generator 406 so that it ceases to deliver the fluid under pressure.
  • the rod 110 then retracts for example under the effect of a spring or by pressure reversal in the jack 106.
  • the portable tool 100 may include a return outlet 108a which communicates with the chamber 104a which is on the side of the rod 110 and which is connected to a source of pressurized air. The release of the pressure in the chamber 104h and the pressurization of the chamber 104a allows the piston 107 to return.
  • the hydraulic pressure generator 406 can be supplied with hydraulic, electrical, pneumatic energy.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Automatic Assembly (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP19184712.8A 2018-07-25 2019-07-05 Tragbares werkzeug mit abmontierbarem kopf Active EP3599041B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1856894A FR3084269B1 (fr) 2018-07-25 2018-07-25 Outil portatif avec une tete demontable

Publications (2)

Publication Number Publication Date
EP3599041A1 true EP3599041A1 (de) 2020-01-29
EP3599041B1 EP3599041B1 (de) 2021-04-14

Family

ID=63579476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19184712.8A Active EP3599041B1 (de) 2018-07-25 2019-07-05 Tragbares werkzeug mit abmontierbarem kopf

Country Status (3)

Country Link
US (1) US11407024B2 (de)
EP (1) EP3599041B1 (de)
FR (1) FR3084269B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107574A1 (de) * 1982-10-14 1984-05-02 Aero-Technic S.A. Pressnietgerät mit Kraftbegrenzung
US7313852B2 (en) * 2003-12-23 2008-01-01 Magna Structural Systems, Inc. Method of forming a rivet using a riveting apparatus
FR2975025A1 (fr) * 2011-05-13 2012-11-16 Airbus Operations Sas Dispositif d'ecrasement de rivets et machine de rivetage comportant ce dispositif
EP2656943A2 (de) * 2012-04-24 2013-10-30 TKR Spezialwerkzeuge GmbH Nietbügelkopplung
DE202016102595U1 (de) 2016-05-13 2016-06-24 Tkr Spezialwerkzeuge Gmbh Nietbügelkopplung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2169423A (en) * 1936-08-04 1939-08-15 Midland Steel Prod Co Riveter
US2229218A (en) * 1937-03-30 1941-01-21 Midland Steel Prod Co Hydraulic riveting apparatus
US2365538A (en) * 1939-11-18 1944-12-19 Chicago Pneumatic Tool Co Riveting tool
US3581373A (en) * 1968-12-20 1971-06-01 Dresser Ind Riveting device
US9015920B2 (en) * 1997-07-21 2015-04-28 Newfrey Llc Riveting system and process for forming a riveted joint
WO2008032341A1 (en) * 2006-09-11 2008-03-20 Cembre S.P.A. Hydraulic pressing and/or cutting tool and mechanism for converting a rotary motion into a translational oscillating motion for this tool
US9027220B2 (en) * 2012-08-07 2015-05-12 Newfrey Llc Rivet setting machine
DE102016111874A1 (de) * 2016-06-29 2018-01-04 Gustav Klauke Gmbh Verfahren zum Betreiben eines hydraulisch betriebenen Handgerätes sowie hydraulisch betriebenes Handgerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107574A1 (de) * 1982-10-14 1984-05-02 Aero-Technic S.A. Pressnietgerät mit Kraftbegrenzung
US7313852B2 (en) * 2003-12-23 2008-01-01 Magna Structural Systems, Inc. Method of forming a rivet using a riveting apparatus
FR2975025A1 (fr) * 2011-05-13 2012-11-16 Airbus Operations Sas Dispositif d'ecrasement de rivets et machine de rivetage comportant ce dispositif
EP2656943A2 (de) * 2012-04-24 2013-10-30 TKR Spezialwerkzeuge GmbH Nietbügelkopplung
DE202016102595U1 (de) 2016-05-13 2016-06-24 Tkr Spezialwerkzeuge Gmbh Nietbügelkopplung

Also Published As

Publication number Publication date
FR3084269A1 (fr) 2020-01-31
FR3084269B1 (fr) 2020-10-23
EP3599041B1 (de) 2021-04-14
US20200030871A1 (en) 2020-01-30
US11407024B2 (en) 2022-08-09

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