EP3025824B1 - Outil hydraulique mobil - Google Patents

Outil hydraulique mobil Download PDF

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Publication number
EP3025824B1
EP3025824B1 EP15195797.4A EP15195797A EP3025824B1 EP 3025824 B1 EP3025824 B1 EP 3025824B1 EP 15195797 A EP15195797 A EP 15195797A EP 3025824 B1 EP3025824 B1 EP 3025824B1
Authority
EP
European Patent Office
Prior art keywords
tool
drive piston
hydraulic
unit
pulling
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.)
Active
Application number
EP15195797.4A
Other languages
German (de)
English (en)
Other versions
EP3025824A1 (fr
Inventor
Thorsten Weyland
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.)
TKR Spezialwerkzeuge GmbH
Original Assignee
TKR Spezialwerkzeuge GmbH
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 TKR Spezialwerkzeuge GmbH filed Critical TKR Spezialwerkzeuge GmbH
Publication of EP3025824A1 publication Critical patent/EP3025824A1/fr
Application granted granted Critical
Publication of EP3025824B1 publication Critical patent/EP3025824B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
    • 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
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0007—Tools for fixing internally screw-threaded tubular fasteners
    • B25B27/0014—Tools for fixing internally screw-threaded tubular fasteners motor-driven
    • 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
    • B21J15/10—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
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
    • B25B27/064—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races fluid driven

Definitions

  • the drive piston which is hydraulically adjustable in the hydraulic tool housing between the starting position and the end position, serves to drive a tool unit connected to the mobile hydraulic tool.
  • the tool unit is either a pulling or a pressure tool unit.
  • a typical embodiment of a drawing tool unit is, for example, a blind rivet setting unit, in which blind rivets are set due to the pulling movement applied by the drive piston and acting on the blind rivet.
  • a pressure tool unit can be formed, for example, by a punching unit which is used to form openings in a component.
  • an adapter for a blind rivet setting tool is also known.
  • the blind rivet setting tool can be converted so that hollow rivets, semi-hollow rivets, punch rivets, solid rivets or the like can also be set.
  • the adapter can also be used for punching or other operations that require squeezing or squeezing. To do this, the head of the blind rivet setting tool is removed and replaced with the adapter.
  • the disadvantage here is that each changeover process is associated with an additional expenditure of time.
  • the invention is based on the object of providing a mobile hydraulic tool in which the movement provided by the drive piston can be used to selectively drive a drawing tool unit and a pressure tool unit.
  • a characteristic of the mobile hydraulic tool according to the invention is that the hydraulic tool housing is designed on the one hand for the arrangement of the drawing tool unit that can be connected to the drive piston and on the other hand for the arrangement of the pressure tool unit that can be connected with the drive piston.
  • the possibility of arranging a tool unit on both sides of the hydraulic tool housing - viewed in the direction of the longitudinal axis of the drive piston, along which the drive piston is adjustable within the hydraulic tool housing - and connecting it to the drive piston allows the adjustment movement of the drive piston between its starting position and its end position both to drive a to use pressure acting as well as to drive a pulling tool unit.
  • the pressure tool unit can be arranged on the side of the hydraulic tool housing into which the drive piston extends from the Starting position moved to the end position.
  • the pulling tool can be arranged on the side of the hydraulic tool housing in which the drive piston moves from the end position into the starting position.
  • the embodiment of the mobile hydraulic tool according to the invention thus enables the mobile hydraulic tool to be used both for drawing work and for printing work by means of exchangeable drawing tool and pressure tool units that are adapted to the hydraulic tool housing.
  • the corresponding tool unit can be arranged in a simple manner on the corresponding side of the hydraulic tool housing and can be connected to the drive piston.
  • On the use of at least two mobile hydraulic tools for carrying out drawing and printing work can be dispensed with due to the simple interchangeability of the tool units.
  • connection of the tool units to the hydraulic tool housing can in principle take place in any way.
  • simple snap-in connections or locks in the manner of a bayonet catch are conceivable.
  • the hydraulic tool housing has a thread on both sides, in particular an internal thread, which is designed on the one hand for the arrangement of the drawing tool unit and on the other hand for the arrangement of the pressure tool unit.
  • the inventive design of the hydraulic tool housing with two, preferably at the opposite ends - viewed in the adjustment direction of the drive piston - arranged threads, in particular internal threads, allows a particularly simple and safe positioning of the tool units connectable to the hydraulic tool housing.
  • the tool units, which are connected to the hydraulic tool housing as well as to the drive piston to transfer its adjustment movement, are secured in position in a special way due to the connection made via the thread, so that compressive and tensile forces can be reliably transferred to the tool units.
  • the connection established via the thread protects the interior of the hydraulic tool housing, in particular the cylinder section which is used to guide the drive piston, from contamination which could lead to a malfunction of the mobile hydraulic tool.
  • the connection of the pressure tool unit and the pulling tool unit takes place, as already explained above, in such a way that the movement of the drive piston is transmitted to the pulling or pushing tool of the pulling tool unit or pressure tool unit.
  • the drawing tool can be, for example, a set of clamping jaws, and a pressure tool can be a punching head.
  • the design of the drive piston, so that it can be connected both to the drawing tool and to the pressure tool, is carried out in any way.
  • the drive piston in the region of its end that the for the arrangement of the pulling tool unit is facing the side of the hydraulic tool housing designed for connection to a pulling tool and in the area of its end facing the side of the hydraulic tool housing designed for arranging the pressure tool unit is designed for connection to a pressure tool.
  • the opposite ends of the drive piston are designed for the arrangement of the pressure tool or pulling tool of the pressure tool unit or pulling tool unit.
  • a corresponding design of the drive piston allows the respective tool unit and the associated tool (drawing tool or pressure tool) to be reliably connected to the hydraulic tool housing and the drive piston regardless of the configuration of the opposite end of the drive piston.
  • the opposite ends of the drive piston can be designed differently according to the tools to be used, so that the hydraulic tool can be easily adapted to the tool units to be used.
  • the drive piston can be provided with internal threads, for example, which enable the drive piston to be reliably connected to the tool.
  • the drive piston is longitudinally channeled, in particular has a through opening.
  • a longitudinally channeled drive piston preferably having a through opening, enables the drawing tool unit and / or pressure tool unit or the drawing tools or pressure tools to be non-positively and / or positively connected to an end of the drive piston opposite the tool.
  • the through opening can be used to use a pulling mandrel, which rests against the drive piston on the side of the drive piston opposite the pulling tool, thereby converting an adjustment movement in which the drive piston presses on the pulling mandrel into a pulling movement of the pulling tool.
  • the drive piston prefferably has a stop surface surrounding the through opening at its end facing the end position, which enables a coupling means, for example the pulling mandrel, but also a pressure tool, to abut well and flat, so that reliable force transmission is ensured.
  • a coupling means for example the pulling mandrel, but also a pressure tool
  • the hydraulic tool housing is connected to a connector that can be connected to a hydraulic line, so that the application of pressure causes the drive piston to be moved from the starting position to the end position in the cylinder section of the hydraulic tool housing.
  • the connection piece for the hydraulic line is rotatably and / or pivotably connected to the hydraulic tool housing.
  • FIG. 1 is a mobile hydraulic tool 1 designed as a riveting tool in an exploded view ( Fig. 1 ) and in a sectional view ( Fig. 2 ) shown.
  • the mobile hydraulic tool 1 has a drive unit 2 as a central component, which has a hydraulic tool housing 4 and a drive piston 3 that is adjustably mounted in the hydraulic tool housing 4 between an initial position and an end position.
  • the adjustment of the drive piston 3 takes place hydraulically, the drive piston 3 being mounted in a liquid-tight manner in the area of a cylinder section 5 of the hydraulic tool housing 4 within the hydraulic tool housing 4 on an inner surface 28 of the cylinder, so that the drive piston 3 is pressurized via a connection piece 43 that can be connected to a connection piece 43, but not here hydraulic line shown, a displacement of the drive piston 3 from the in Fig. 1 causes shown starting position in an end position not shown here.
  • annular seal 30 is arranged inside the hydraulic tool housing 4 for sealing against the drive piston 3 and an annular seal 47 resting on the cylinder inner surface 28 is arranged on the drive piston 3.
  • this is designed as a riveting tool, the hydraulic tool housing 4 and the drive piston 3 being connected to a drawing tool unit 52.
  • the drawing tool unit 52 has, inter alia. a pulling tool 10 and a pulling mandrel 11, which are coupled to the drive piston 3, and a sleeve receptacle 13 and a guide sleeve 7, which are connected to the hydraulic tool housing 4.
  • the drive piston 3 is used to adjust the pulling mandrel 11, which is detachably connected to the pulling tool 10 in the longitudinal axis direction and in the circumferential direction in a form-fitting manner via a coupling unit 12.
  • the pull rod 11 extends within a through opening 44 of the drive piston 3, the insertion depth of the pull rod 11 in the drive piston 3 being limited by a flange facing the drive piston 3 which, in the assembled position, rests against a stop surface of the drive piston 3 in the direction of the longitudinal axis.
  • the mandrel 11 and the drawing tool 10 have ring-shaped projections 41 in a connection section in contact with the coupling unit 12.
  • Two coupling half-shells 14 used to form the coupling unit 12 have inwardly protruding grooves 15 and webs 50 in the assembled state, which engage in the grooves of the mandrel 11 and the drawing tool 10 arranged between the projections 41 and thus establish a positive connection in the direction of the longitudinal axis.
  • the position of the coupling half-shells 14 is also secured by means of pins (not shown here) which are arranged on a coupling half-shell 14 and which engage in pin receptacles 16 of the other coupling half-shell 14.
  • a centering pin 18 protruding from the end face of the pull rod 11 in the direction of the pulling tool 10 also serves to determine the position of the To secure the drawing tool 10 with respect to the mandrel 11, the drawing tool 10 engaging in a correspondingly designed bore of the drawing tool 10.
  • the pulling tool 10 is provided with a guide sleeve 7 which forms a guide unit 6 and which is adapted on the inside to the diameter of the coupling unit 12 and thus serves as a linear guide.
  • the guide sleeve 7 is attached via an external thread 32 to an internal thread 33 of a sleeve receptacle 13, which is fixed via an external thread 34 to an internal thread 35 arranged on the hydraulic tool housing 4.
  • a locking ring 51 is used, which is arranged coaxially to the guide sleeve 7 and rests on an end face of the sleeve receptacle 13.
  • the guide sleeve 7 has a rivet head receptacle 9, within which a plurality of holding magnets 29 are arranged in a ring-shaped manner, coaxially to a through opening, which enable the rivet head 8 to be detachably attached to the guide sleeve 7.
  • the pulling mandrel 11 detachably connected to the drawing tool 10 forms, with a guide pin 22, a threaded sleeve 23, a rotary wheel 24 and a helical compression spring 21, a structural unit which is permanently connected in normal operation.
  • the mandrel 11 has a bore 26 within which the guide pin 22 is axially displaceable.
  • the axial displaceability is determined over the length of a slot 25 extending in the direction of the longitudinal axis through the guide pin 22, a securing bolt 20 connected to the pull rod 11 extending through this slot 25.
  • the securing bolt 20 also ensures that the rotational movements of the securing pin 22 are transmitted to the pulling mandrel 11, this rotational movement then being transmitted to the drawing tool 10.
  • the rotary movement of the guide pin 22 is brought about by the actuation of a rotary wheel 24 which is arranged non-rotatably in a receiving opening 46 of a receiving section 48 of the guide pin 22.
  • the threaded sleeve 23 has an internal thread 42 which can be screwed onto an external thread 39 of an adapter socket 17, the Adapter socket 17 can be screwed with a further external thread section 38 into an internal thread 37 of the hydraulic tool housing 4.
  • Different tool units can thus be combined with the standard hydraulic tool housing 4 of the mobile hydraulic tool 1 via the adapter socket 17.
  • the helical compression spring 21 is supported at one end on an inner surface of the threaded sleeve 23 and at the other end on a flange of the tension mandrel 11. In the assembled state, the helical compression spring 21 thus pretensions the pull rod 11 in the direction of the drive piston 3. A displacement of the drive piston 3 and of the tension rod 11, which is positively connected to the drive piston 3 in the direction of the longitudinal axis, from the starting position into the end position thus takes place against the spring force of the helical compression spring 21.
  • the internal threads 35, 37 arranged on both sides at the opposite ends of the hydraulic tool housing 4 allow a simple conversion of the mobile hydraulic tool 1 with a drawing tool unit 52 or a pressure tool unit, not shown here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Shearing Machines (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Rotary Presses (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (6)

  1. Outil de rivetage et de poinçonnage mobile comprenant
    - un piston d'entraînement (3) réglable de façon hydraulique entre une position de départ et une position finale,
    - un boîtier d'outil hydraulique (4) présentant une section de cylindre (5) guidant le piston d'entraînement (3) et
    - une unité d'outil d'emboutissage (52) ou une unité d'outil de pressage apte à être reliée de façon amovible au piston d'entraînement (3) et au boîtier d'outil hydraulique (4),
    caractérisé en ce que
    - une unité d'outil peut être agencée de part et d'autre du boîtier d'outil hydraulique - vu dans la direction d'axe longitudinal du piston d'entraînement, le long de laquelle le piston d'entraînement peut être réglé à l'intérieur du boîtier d'outil hydraulique - et reliée au piston d'entraînement, et
    - le boîtier d'outil hydraulique (4) est conçu
    - sur un côté pour l'agencement de l'unité d'outil d'emboutissage (52) apte à être reliée au piston d'entraînement (3) et
    - sur l'autre côté pour l'agencement de l'unité d'outil de pressage apte à être reliée au piston d'entraînement (3).
  2. Outil de rivetage et de poinçonnage mobile selon la revendication 1, caractérisé en ce que le boîtier d'outil hydraulique (4) présente un filetage de part et d'autre, en particulier un filetage interne (35, 37), lequel est conçu sur un côté pour l'agencement de l'unité d'outil d'emboutissage (52) et sur l'autre côté pour l'agencement de l'unité d'outil de pressage.
  3. Outil de rivetage et de poinçonnage mobile selon la revendication 1 ou 2, caractérisé en ce que le piston d'entraînement (3) est conçu
    - pour être relié à un outil d'emboutissage (10) dans la région de son extrémité tournée vers le côté du boîtier d'outil hydraulique (4) conçu pour l'agencement de l'unité d'outil d'emboutissage (52) et
    - pour être relié à un outil de pressage dans la région de son extrémité tournée vers le côté du boîtier d'outil hydraulique (4) conçu pour l'agencement de l'unité d'outil de pressage.
  4. Outil de rivetage et de poinçonnage mobile selon l'une des revendications précédentes, caractérisé en ce que le piston d'entraînement (3) est canalisé longitudinalement, et présente en particulier une ouverture de passage (44).
  5. Outil de rivetage et de poinçonnage mobile selon l'une des revendications précédentes, caractérisé en ce qu'à son extrémité tournée vers la position finale, le piston d'entraînement (3) présente une surface de butée entourant l'ouverture de passage (44).
  6. Outil de rivetage et de poinçonnage mobile selon l'une des revendications précédentes, caractérisé en ce qu'une tubulure de raccordement (43) pour une conduite hydraulique est reliée de façon rotative et/ou pivotante au boîtier d'outil hydraulique (4).
EP15195797.4A 2014-11-27 2015-11-23 Outil hydraulique mobil Active EP3025824B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014117403.8A DE102014117403A1 (de) 2014-11-27 2014-11-27 Mobiles Hydraulikwerkzeug

Publications (2)

Publication Number Publication Date
EP3025824A1 EP3025824A1 (fr) 2016-06-01
EP3025824B1 true EP3025824B1 (fr) 2021-07-21

Family

ID=54703818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15195797.4A Active EP3025824B1 (fr) 2014-11-27 2015-11-23 Outil hydraulique mobil

Country Status (4)

Country Link
US (1) US10415607B2 (fr)
EP (1) EP3025824B1 (fr)
CN (1) CN105642816A (fr)
DE (1) DE102014117403A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021107054U1 (de) 2021-12-23 2022-01-19 Alfra Gmbh Stanzwerkzeug für den mobilen Einsatz
EP4201548A1 (fr) 2021-12-23 2023-06-28 Alfra GmbH Outil de poinçonnage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018211566A1 (de) * 2018-07-12 2020-01-16 Bayerische Motoren Werke Aktiengesellschaft Werkzeug und Verfahren zum Verpressen eines Hilfsfügeelements mit einem separat von dem Hilfsfügeelement ausgebildeten Werkstück, insbesondere zum Herstellen eines Kraftfahrzeugs
CN111136209B (zh) * 2019-10-29 2021-11-16 宁波蓝圣智能科技有限公司 一种伺服电动自动铆接机

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DE102008013044B3 (de) * 2008-03-06 2009-07-02 Gesipa Blindniettechnik Gmbh Adapter für ein Blindniet-Setzgerät und Blindniet-Setzgerät

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TW201317089A (zh) 2011-10-28 2013-05-01 bao fang Liu 模組式氣動扣件機
DE202012001633U1 (de) 2012-02-16 2013-05-17 Daniel Goedermans Stanznietvorrichtung und Stanznietwerkzeuge
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DE102008013044B3 (de) * 2008-03-06 2009-07-02 Gesipa Blindniettechnik Gmbh Adapter für ein Blindniet-Setzgerät und Blindniet-Setzgerät

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021107054U1 (de) 2021-12-23 2022-01-19 Alfra Gmbh Stanzwerkzeug für den mobilen Einsatz
EP4201548A1 (fr) 2021-12-23 2023-06-28 Alfra GmbH Outil de poinçonnage
DE102021134528B3 (de) 2021-12-23 2023-06-29 Alfra Gmbh Stanzwerkzeug für den mobilen Einsatz

Also Published As

Publication number Publication date
US10415607B2 (en) 2019-09-17
EP3025824A1 (fr) 2016-06-01
DE102014117403A1 (de) 2016-06-02
US20160153478A1 (en) 2016-06-02
CN105642816A (zh) 2016-06-08

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