EP3144105A1 - Procede de retrait d'un element de rivet borgne d'une riveteuse - Google Patents

Procede de retrait d'un element de rivet borgne d'une riveteuse Download PDF

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Publication number
EP3144105A1
EP3144105A1 EP16189638.6A EP16189638A EP3144105A1 EP 3144105 A1 EP3144105 A1 EP 3144105A1 EP 16189638 A EP16189638 A EP 16189638A EP 3144105 A1 EP3144105 A1 EP 3144105A1
Authority
EP
European Patent Office
Prior art keywords
connecting element
mandrel
rotary drive
rotation
driving
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
EP16189638.6A
Other languages
German (de)
English (en)
Other versions
EP3144105B1 (fr
Inventor
Michael H. Honsel
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.)
Honsel Distribution GmbH and Co KG
Original Assignee
VVG Befestigungstechnik GmbH and Co
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 VVG Befestigungstechnik GmbH and Co filed Critical VVG Befestigungstechnik GmbH and Co
Publication of EP3144105A1 publication Critical patent/EP3144105A1/fr
Application granted granted Critical
Publication of EP3144105B1 publication Critical patent/EP3144105B1/fr
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
    • B21J15/36—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
    • B21J15/10—Riveting machines
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/26—Drives for riveting machines; Transmission means therefor operated by rotary drive, e.g. by electric motor
    • 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
    • B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting

Definitions

  • the invention relates to a method for removing a blind rivet element from a riveting tool according to the preamble of claim 1.
  • the Blindnietelement is bolted via a first thread assembly with a mandrel of the riveting tool.
  • the mandrel is also connected via a second threaded arrangement with a connecting element on the riveting tool.
  • the riveting tool comprises a longitudinal drive for axially driving the connecting element and a rotary drive for rotatably driving the connecting element in each case with respect to an axis of rotation of the connecting element.
  • Such a riveting tool is for example from the DE 10 2013 105 703 A1 known.
  • an emergency program is started by a user input on the riveting device.
  • the emergency program then causes on the one hand a driving of the connecting element by the rotary drive in such a direction of rotation that the connection between the mandrel and the connecting element via the second threaded arrangement is released.
  • the emergency program causes the emergency program to stop the driving by the rotary drive after reaching a target.
  • the essence of the invention now consists, in particular, in the fact that the user is given the idea of how he can detach the blind rivet element from the riveting tool despite a damaged first thread arrangement. He just starts the emergency program.
  • the connecting element is first driven by the rotary drive, that over the other, still intact second threaded arrangement of the mandrel is released from the connecting element.
  • the rotation ends automatically as soon as the mandrel is released from the connection element.
  • a separate tool such as a standard wrench that can attach to the mandrel, the mandrel can now be solved manually by Blindnietelement.
  • the state of rotation is preferably monitored by a sensor. Only when it has been detected by means of the sensor that the anti-rotation lock is released, the rotary drive is activated and the release of the mandrel from the connecting element begins.
  • the connecting element at least temporarily during the driving of the connecting element by the rotary drive, in addition, the connecting element axially retracted by means of the longitudinal drive in the housing of the riveting tool.
  • the connecting element thus, it is drawn into the housing of the riveting, while at the same time the connecting element is unscrewed by rotational movement of the mandrel.
  • the axial feed of the connecting element which is generated by the thread rotation, can be compensated by the longitudinal drive.
  • the axial relative movement between the housing of the riveting tool and the Blindnietelement can be reduced.
  • the rotary drive and the longitudinal drive are synchronized with each other such that during the driving of the connecting element by the rotary drive an axial distance between the housing, the riveting tool and the dummy element is kept constant.
  • the axial feed can be calculated via the thread pitch and the applied rotational speed of the connecting element.
  • the housing in this context represents, in particular, a casing of parts of the riveting device.
  • grab handles on which the user can hold the riveting device, are fixedly provided on the housing.
  • a rotary position sensor is arranged on riveting, which serves to determine the rotational position of the rotary drive. Based on the known rotational position of the rotary drive can be determined how many revolutions the connecting element has already made. From this it can in turn be determined when a time is reached at which the connecting element is completely unscrewed from the mandrel. This time may then be the default value, which finally represents the condition for stopping the drive by the rotary drive.
  • the invention further comprises a riveting device with a control unit that is set up to control the method according to one of the preceding claims.
  • FIG. 1 a riveter 10 is shown, which is set up for carrying out the method according to the invention.
  • the riveting tool 10 comprises a housing 20 in which a non-illustrated longitudinal drive 17 and a non-illustrated rotary drive 18 are arranged.
  • the two drives 17 and 18 may be executed, as in the DE 10 2013 105 703 A1 is described.
  • the longitudinal drive 17 serves to drive a connecting element 15 along the axis of rotation A of the connecting element 15 relative to the housing 20.
  • the rotary drive 18 serves to rotate the connecting element 15 about its axis of rotation A relative to the housing 20th
  • the connecting element 15 is formed as a sleeve and mounted axially displaceably and rotatably in the housing 20. With one end, the connecting element 15 protrudes out of the housing and has there on its inner circumferential surface a second internal thread 16, which is designed as a left-hand thread. On this second internal thread a mandrel 11 is screwed. The mandrel 11 has for this purpose a second threaded portion 22 which has a second external thread 14, which is also designed as a left-hand thread.
  • the connecting element 15 is guided within a guide sleeve 19, which is firmly connected to the housing 20.
  • An anti-rotation 24 prevents the mandrel 11 can be rotated relative to the connecting element 15.
  • the connecting element 15 is then rotated via the rotary drive 18, the mandrel 11 is also set in rotation, depending on the direction of rotation. If, however, the rotation lock 24 is released, then a relative rotation between the connecting element 15 and mandrel 11 is possible.
  • the mandrel 11 can be held by hand, for example, while the rotary actuator 18, the connecting element in rotation. Depending on the direction of rotation of the mandrel 11 is then screwed onto the connecting element 15 or unscrewed from it.
  • the anti-rotation device 24 in this case comprises a securing section 23 of the mandrel 11, which comprises on the outer circumference of an outer hexagonal surface 25.
  • Thiscomposingsechskant Chemistry 25 is received in an axially displaceable locking sleeve 27 which has a hexagonal surface 26 which is complementary to the matterssechskant Chemistry 25. Gleicher drunk the locking sleeve 27 rotatably but axially displaceable to the connecting element 15 is held.
  • FIG. 1 the position of the securing sleeve 27 is shown in a securing position in which the outer hexagonal surface 25 is enclosed by the hexagonal surface 26, and thus constitutes a rotation between the connecting element 15 and the mandrel 11.
  • the locking sleeve 27 in the in FIG. 1 dashed line position is shifted axially in the arrow direction, the locking sleeve is in its release position. In this release position, the hexagonal surfaces 25, 26 are disengaged and a relative rotation between connecting element 25 and mandrel 11 is possible.
  • FIG. 2 shows a simplified anti-rotation in the cross section comprising the securing portion 23 of the mandrel 11 with the locking sleeve 27 according to the section line II-II, which has been omitted for reasons of simplicity, in the illustration FIG. 2 also to show the guide sleeve 19 and the connecting element 15 in more detail.
  • the mandrel 11 further comprises a first threaded portion 21, which comprises a first external thread 12, in this case a right-hand thread. This is screwed into a first internal thread 2 of a blind rivet element 1 in preparation for the riveting operation.
  • the Blindnietelement 1 is cup-shaped and has a stop collar 3. A mouthpiece 13 on the guide sleeve 19 serves as a stop for the stop collar 3 during setting of the blind rivet element 1.
  • the riveting tool 10 further comprises a control unit 30, which drives the longitudinal drive 17 and the rotary drive 18. Furthermore, a rotational position sensor 29 is provided, by means of which the rotational position of the connecting element 15 and / or the rotary drive 18 can be determined.
  • the rotational position sensor may also be part of a brushless motor rotary drive.
  • the blind rivet 1 is first screwed onto the first internal thread of the mandrel 11.
  • the connecting element 15 is rotated by the rotary drive 18 by a few turns, so that the rotatably connected to the connecting element 15 mandrel 11 is screwed into the blind rivet.
  • the longitudinal drive 17 is started in jerky manner, which pulls the connecting element 15 into the housing 20.
  • the mouthpiece 13 remains in its position relative to the housing 20 and abuts against the stop collar 3.
  • Tensile load of the right moving threaded portion 21 and the concomitant Buchbeetzschlagung the thread 2 the blind rivet 1 is intended deformed and thus set.
  • FIG. 3 now shows the state of the riveting and the blind rivet element 1 mounted thereon after a riveting operation. Due to the already mentioned tensile loading via the thread has a Sch Strukturwulst 4 is formed on the blind rivet 1, through which results in the tension with a component, not shown in the receiving bore. Normally, the rotary drive 18 would now rotate counterclockwise, whereby the mandrel 11 would be rotated counterclockwise and from the mandrel 11 is screwed out of the blind rivet 1. In the present case, however, damage to the first internal thread 2 of the blind rivet element 1 or of the first external thread of the mandrel has resulted during the setting process, so that the mandrel 11 can no longer be rotated relative to the blind rivet element 1.
  • an emergency program is now started. This is done, for example, by pressing a specific key or key combination by the user at the riveting tool 10. Subsequently, as in FIG. 4 shown, the locking sleeve 27 pulled by the user in the direction of the housing 20, whereby the rotation lock 24 between the connecting element 15 and mandrel 11 is released.
  • the longitudinal drive 17 is activated and causes a displacement of the connecting element 15 into the housing 20.
  • the connecting element 15 is moved in the present figure to the right, so that the relative alignment between mandrel 11 and housing 20 remains substantially unchanged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
EP16189638.6A 2015-09-21 2016-09-20 Procede de retrait d'un element de rivet borgne d'une riveteuse Active EP3144105B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015115869.8A DE102015115869B4 (de) 2015-09-21 2015-09-21 Verfahren zum Entfernen eines Blindnietelements von einem Nietgerät

Publications (2)

Publication Number Publication Date
EP3144105A1 true EP3144105A1 (fr) 2017-03-22
EP3144105B1 EP3144105B1 (fr) 2022-08-24

Family

ID=56979415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16189638.6A Active EP3144105B1 (fr) 2015-09-21 2016-09-20 Procede de retrait d'un element de rivet borgne d'une riveteuse

Country Status (5)

Country Link
US (1) US10220436B2 (fr)
EP (1) EP3144105B1 (fr)
CN (1) CN106541066B (fr)
DE (1) DE102015115869B4 (fr)
ES (1) ES2929555T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107838361A (zh) * 2017-11-27 2018-03-27 平顶山市美伊金属制品有限公司 一种铁锅用三孔铁头去除装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0670199A1 (fr) * 1994-03-04 1995-09-06 GESIPA Blindniettechnik Gesellschaft mit beschränkter Haftung Appareil pour la pose des écrous à rivets aveugles
DE29502918U1 (de) * 1995-02-21 1996-06-20 VVG Befestigungstechnik Beteiligungs-GmbH, 58730 Fröndenberg Nietsetzgerät zum Setzen von Blindnietmuttern und -schrauben
GB2306368A (en) * 1995-10-31 1997-05-07 Emhart Inc Rivet setting tool
DE102013105703A1 (de) 2013-06-04 2014-12-04 VVG-Befestigungstechnik GmbH & Co. KG Nietgerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201055899Y (zh) 2007-05-25 2008-05-07 黄鼎钧 拉帽铆合机
CN202105966U (zh) 2011-02-01 2012-01-11 义国工业股份有限公司 电动拉帽机
FR3016417B1 (fr) 2014-01-14 2016-01-22 Lisi Aerospace Rivet pour fixation aveugle, outil de pose associe et methode de pose d'un tel rivet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0670199A1 (fr) * 1994-03-04 1995-09-06 GESIPA Blindniettechnik Gesellschaft mit beschränkter Haftung Appareil pour la pose des écrous à rivets aveugles
DE29502918U1 (de) * 1995-02-21 1996-06-20 VVG Befestigungstechnik Beteiligungs-GmbH, 58730 Fröndenberg Nietsetzgerät zum Setzen von Blindnietmuttern und -schrauben
GB2306368A (en) * 1995-10-31 1997-05-07 Emhart Inc Rivet setting tool
DE102013105703A1 (de) 2013-06-04 2014-12-04 VVG-Befestigungstechnik GmbH & Co. KG Nietgerät

Also Published As

Publication number Publication date
US10220436B2 (en) 2019-03-05
DE102015115869B4 (de) 2019-02-14
US20170080480A1 (en) 2017-03-23
DE102015115869A1 (de) 2017-03-23
CN106541066B (zh) 2019-07-16
EP3144105B1 (fr) 2022-08-24
ES2929555T3 (es) 2022-11-30
CN106541066A (zh) 2017-03-29

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