EP3071348A1 - Dispositif pour mettre en place un élément d'assemblage au niveau d'une partie d'élément structural et outil - Google Patents

Dispositif pour mettre en place un élément d'assemblage au niveau d'une partie d'élément structural et outil

Info

Publication number
EP3071348A1
EP3071348A1 EP14796470.4A EP14796470A EP3071348A1 EP 3071348 A1 EP3071348 A1 EP 3071348A1 EP 14796470 A EP14796470 A EP 14796470A EP 3071348 A1 EP3071348 A1 EP 3071348A1
Authority
EP
European Patent Office
Prior art keywords
joining element
original position
joining
tool
gas
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
EP14796470.4A
Other languages
German (de)
English (en)
Other versions
EP3071348B1 (fr
Inventor
Michael Badent
Roland Wendt
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.)
Tox Pressotechnik GmbH and Co KG
Original Assignee
Tox Pressotechnik GmbH and Co KG
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 Tox Pressotechnik GmbH and Co KG filed Critical Tox Pressotechnik GmbH and Co KG
Publication of EP3071348A1 publication Critical patent/EP3071348A1/fr
Application granted granted Critical
Publication of EP3071348B1 publication Critical patent/EP3071348B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B21J15/30—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
    • 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
    • B21J15/025—Setting self-piercing 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

Definitions

  • Joining elements known on components such as riveting tools. With such tools, joining elements such as functional elements or semi-hollow punch rivets, solid punch rivets or clinch rivets can be processed.
  • the joining elements provided for a joining point on the component must be moved to the component before being attached to the component from a reference position on or in the tool.
  • the object of the present invention is to improve devices or tools initially mentioned, in particular with regard to a space-saving and non-critical provision of joining elements on the tool
  • the invention is based on a device for attaching a joining element to a component section for a tool for attaching a joining element to a component section with a linearly movable stamp, with which a joining element presented in an initial position is removed from the component
  • Template position can be offset to the component section.
  • the invention relates to a device for a joining or riveting tool for semi-hollow punching riveting
  • Such tools include a punch assembly with a driven linearly movable punch member or punch, usually with an outside of the punch existing
  • the component portion for example, two or more layers of material made of sheet metal and / or other materials for attaching the joining element is positioned.
  • the stamp takes from a retracted position a waiting in the original position joining element for further processing and leads the joining element up to the joining point on the component section, where it is firmly anchored to the component section to
  • Example is pressed.
  • the respective tools are often formed with a C-shaped tool part or a so-called C-bracket, which includes the punch assembly and the die unit.
  • Components are understood, for example, single or multilayer flat components. If necessary, two or more component layers can be connected to one another with the tool.
  • the essence of the invention is that means for
  • the pressure difference can also be advantageously realized in particular with a frequently existing pneumatic arrangement.
  • Pneumatic arrangements are in rivet or
  • the mechanical stop may be on a portion of an outer shape of the joining element
  • the pressure difference acting on the joining element can be achieved, for example, by increasing the air pressure or reducing the pressure in the air
  • the pressure difference can be provided statically or dynamically or by a gas flow. Further, it is advantageous that Anströmstoff for
  • Provision of a directed gas flow in the region of a submitted joining element are present, wherein the gas flow flows around the joining element such that a holding force can be provided on the joining element, which holds the joining element in the original position.
  • the joining element is forced by the gas flow or pneumatically in the desired original position and remains there.
  • the directed gas flow in particular causes a force acting on the pad element, such that a displacement or moving away of the joining element from the original position due to the gravity or the dead weight of the
  • the directed gas flow may in particular be directed horizontally or transversely to a vertical direction of movement of the punch.
  • a joining element with its longitudinal axis is aligned or offset parallel to the longitudinal or
  • Movement axis of the punch held in the original position In this case, the punch is in a retracted position relative to the component portion, so that the joining element between the front end of the retracted punch and the component portion is held in a waiting or the original position or pickup position.
  • Fügelement can accordingly z. B. transversely or obliquely to
  • Joining be directed to the joining element.
  • volume areas or outflow paths to
  • Gas flow is discharged behind the Fügelement via a discharge opening, but with the reaching of the original position of the joining element, the discharge opening is closed. From this moment on, the gas flow is, for example, on the side of
  • Joining element is urged by the gas flow in the original position.
  • a low pressure or negative pressure is applied to the closed discharge opening, with the result that a suppression or suction holding force acts on the joining element in the supply position in this area.
  • the joining element is so for example via a conveyor line to the original position
  • the wall portion may be tuned so that under the action of the pressure difference or the gas flow outside of the joining element this on a punctual, linear and / or planar contact with the wall section, the joining element in a desired exact
  • Orientation takes the template position.
  • the wall section is designed to match an outer contour of the joining element. If the wall section concerned on the corresponding
  • the joining element can be brought exactly under the action of the gas flow in the desired position template, in which the portion of the outer contour of the joining element fits snugly or possibly flat against the wall portion.
  • the gas stream is advantageously used in addition to the holding power supply as a transport medium for the directional movement of a joining element to this of a zoom reaching to the device or the tool end of a conveyor line to the original position
  • the transport of the joining elements in the conveying line also takes place pneumatically or under the action of a directed gas flow. This gas stream then serves to hold the respective joining element in the original position.
  • Joining element assumes the original position, discharge sections for a removal of the directed gas flow are present.
  • the gas flow can be targeted outside of the pad in the
  • the derivation section may refer to a related to
  • held joining element for example, as at least one discharge line for the gas stream.
  • the flow through the gas stream is preferably carried out from the direction from which the joining element is transported via a feed line to the original position.
  • the joining element reaches in the direction of the conveying movement
  • a vacuum arrangement for generating a gas negative pressure in the region of the original position is present.
  • Template position for example, in a zoom reaching to the template position low pressure bore creates a negative pressure or sucks the existing air there.
  • the negative pressure must be set up such that a resulting suction force acting on the joining element pulls the joining element into the original position.
  • the vacuum arrangement can serve in addition to Garf tion or alternatively to the holding function for checking whether a joining element is present or properly present at the original position. This can be done for example with an arrangement which z.
  • Joins joining element in the template position includes.
  • the arrangement in question can determine if there is a
  • Template position is or not.
  • an overpressure arrangement for generating a gas overpressure in the region of the original position is present.
  • the overpressure is preferably such
  • the gas overpressure is advantageous with a targeted gas flow, in particular with a continuous and / or
  • Constant gas flow or air flow set up It is also advantageous that the inflow means are adapted to generate a gas flow, so that gas flows to an existing in the initial position joining element.
  • the holding force esp. can be reproducibly realized.
  • an overpressure in the region of the original position can be generated via the gas flow in order to provide the desired or necessary holding force acting on the joining element. With a greater weight of the joining element, a correspondingly higher holding force
  • the inflow means are adapted to generate a gas flow, so that gas flows away from a joining element present in the initial position.
  • a negative pressure at the joining element can be generated with the gas flow, so that a corresponding vacuum holding force the
  • the holding force in amount and height can also be determined.
  • the joining element is advantageously taken from the stamp at the original position.
  • the punch can be a much greater force than the holding force on the pad for detachment from the
  • the punch does not have to move to representational holding means in the vicinity of the held joining element to move towards the joining element, since no such substantive holding means exist with the pressure difference or can be dispensed with. This will be a possible
  • the invention also relates to a tool for attaching a joining element to a component portion with a linearly movable punch, wherein a device according to one of the aforementioned variants is present.
  • Figure 1 shows a part of a tool according to the invention in
  • FIG. 2 shows an enlarged detail from FIG. 1.
  • Riveting tool 1 trained tool for processing of joining elements, wherein exemplified as
  • the Halbhohlstanzniet 2 designed joining element is processed.
  • the Halbhohlstanzniet 2 is in a holding or
  • Semi-hollow punch rivet 2 in, for example, two or more to be joined together material layers (not shown), which consist for example of a metallic or other material.
  • formed punch of the riveting tool 1 takes each a single Halbgohlstanzniet 2 from the original position 3 in the direction P4 and pushes the Halbhohlstanzniet 2 in a joining operation, for example, in a laminated core to bring the sheets in an at least positively connected state.
  • FIGS. 1 and 2 results from a section along the longitudinal axis of the rivet setting pin 5.
  • the Nietsetzstatt 5 is in the extended in the direction of a not shown Matrizeniser the riveting tool 1 outside circumferentially of a hold-down nose.
  • Material layers such. B. a laminated core lie in the joining process with a bottom on a die assembly of the
  • Riveting tool 1 wherein the Niederhalternase 9 fixed from above or punch side pressing the laminated core.
  • the Halbhohlstanzniet 2 is not from the memory in
  • Halblohlstanzniets 2 introduced into the Nietsetzkopf 4, but in the transverse direction to the longitudinal axis L of the
  • the Halbhohlstanzniets 2 immediately below the Nietsetzstatt 5 are shot, with an otherwise necessary mechanism, for example, a slider mechanism can be dispensed with, which rotates the Halbhohlstanzniet 2 by 90 degrees before the punch
  • the Halbhohlstanzniet 2 is conveyed by means of an air flow 8 in the direction P3 and injected directly below the Nietsetzchan 5 and its front or end-side flat end surface 5a and aligned there held positionally fixed in an original position 3, as shown in Figures 1 and 2.
  • the Halbhohlstanzniet 2 by a corresponding to the
  • Low pressure bore 10 is provided in which, based on a reference pressure such as ambient or atmospheric pressure, a negative pressure or low pressure prevails. If the reference pressure such as ambient or atmospheric pressure, a negative pressure or low pressure prevails. If the reference pressure such as ambient or atmospheric pressure, a negative pressure or low pressure prevails.
  • Low pressure bore 10 may be configured, for example, by a suction or vacuum arrangement which removes air from the Low pressure hole 10 sucks.
  • a slide mechanism can be dispensed with.
  • the Halbhohlstanzniets 2 is particularly by negative pressure or excess pressure under the Nietsetzlink 5 promoted or
  • Stop 11 forms opposite to the feed 7 a part of a movement channel for the
  • Rivet setting pin 5 in the region of the original position 3.
  • the stop 11 is located immediately below the
  • the shape of the wall IIa of the stop 11 is cupped with a
  • Semi-holed punching rivet is the same.
  • the wall IIa is pierced and the thus formed low-pressure bore 10 is subjected to negative pressure.
  • the semi-hollow punch rivet 2 or its shaft 12 is sucked against the wall IIa and the half-hollow punch rivet 2 is held in the feed position 3.
  • the low-pressure bore 10 extends through the rivet setting head 4 to a suitable location, in particular in an impurity-critical area of the riveting tool 1, at the z.
  • Low pressure bore 10 can determine if a
  • Holding function provides a presence control for a held Halblöchstanzniet 2.
  • a plurality of, for example, several ten thousand semi-hollow punch rivets can be treated in such a way that the half-hollow punch rivet 2 in all
  • Feed tube or the supply 6 or a coating of Halbhohlstanzniets 2 are conditional.
  • the sensor for example, a pressure sensor can also check in another function, whether the air filter is clogged.
  • the Halbhohlstanzniet 2 can be offset in the first movement section from the original position 3 from Nietsetzlink 5 in the direction P4 and at the same time slightly opposite to the direction P3 until the longitudinal axis L and the longitudinal axis S of the punch match.
  • Halblohlstanzniet 2 slightly moved by the advancing Nietsetzstatt 5 relative to the end face 5a of the Nietsetzmits 5, and indeed back towards the feed channel 7. After the rivet head 13 has moved from its positive position on the wall IIa out, he is through the cylindrical wall of the punch channel 9a continued in the Niederhalternase 9.
  • the Halbhohlstanzniet 2 automatically moved out of its positive position from the original position 3, without z. B. a mechanical lever or a snapper must be activated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Forging (AREA)

Abstract

L'invention concerne un dispositif servant à mettre en place un élément d'assemblage (2) au niveau d'une partie d'élément structural, pour un outil (1) servant à mettre en place un élément d'assemblage (2) au niveau d'une partie d'élément structural et comportant un poinçon (5) pouvant être déplacé linéairement , ledit poinçon servant à déplacer un élément d'assemblage (2) qui est présenté dans une position d'attente (3), depuis cette position d'attente (3), au niveau de la partie d'élément structural. Selon l'invention, des moyens servent à assurer une différence de pression dans la zone d'un élément d'assemblage (2) présenté, la différence de pression que lesdits moyens exercent sur un élément d'assemblage (2) induisant une force de retenue au niveau de l'élément d'assemblage (2), de manière que ledit élément d'assemblage (2) demeure maintenu en position, dans la position de présentation.
EP14796470.4A 2013-11-22 2014-11-04 Outil pour mettre en place un élément d'assemblage au niveau d'une partie d'élément structural Active EP3071348B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013019519.5A DE102013019519A1 (de) 2013-11-22 2013-11-22 "Vorrichtung zum Anbringen eines Fügeelements an einem Bauteilabschnitt und Werkzeug"
PCT/EP2014/073654 WO2015074862A1 (fr) 2013-11-22 2014-11-04 Dispositif pour mettre en place un élément d'assemblage au niveau d'une partie d'élément structural et outil

Publications (2)

Publication Number Publication Date
EP3071348A1 true EP3071348A1 (fr) 2016-09-28
EP3071348B1 EP3071348B1 (fr) 2022-08-17

Family

ID=51894014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14796470.4A Active EP3071348B1 (fr) 2013-11-22 2014-11-04 Outil pour mettre en place un élément d'assemblage au niveau d'une partie d'élément structural

Country Status (5)

Country Link
US (1) US10870145B2 (fr)
EP (1) EP3071348B1 (fr)
CN (1) CN105745037B8 (fr)
DE (1) DE102013019519A1 (fr)
WO (1) WO2015074862A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014224600A1 (de) * 2014-12-02 2016-06-02 Robert Bosch Gmbh Stanznietzange mit Stanzniethaltevorrichtung
DE102017209118A1 (de) * 2017-05-31 2018-12-06 Robert Bosch Gmbh Stanznietvorrichtung zum setzen eines stanzniets mit einer eine stempelkraft unterstützenden schwingung, und verfahren zum stanznieten mit einer solchen stanznietvorrichtung
DE102018113870A1 (de) * 2018-06-11 2019-12-12 Profil Verbindungstechnik Gmbh & Co. Kg Setzeinrichtung
EP3747587B1 (fr) * 2019-06-04 2022-04-27 Newfrey LLC Système de fixation et procédé de détection de la présence d'un élément de fixation dans un tube de charge
CN117655274B (zh) * 2023-12-29 2024-08-06 上海固极智能科技股份有限公司 一种用于铆接装置的供钉管路及供钉方法

Citations (1)

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DE19512198A1 (de) * 1995-03-31 1996-10-02 Boellhoff Gmbh Verbindungs Und Nietvorrichtung

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Also Published As

Publication number Publication date
CN105745037B8 (zh) 2019-10-08
WO2015074862A1 (fr) 2015-05-28
US10870145B2 (en) 2020-12-22
DE102013019519A1 (de) 2015-05-28
EP3071348B1 (fr) 2022-08-17
CN105745037A (zh) 2016-07-06
US20160279695A1 (en) 2016-09-29
CN105745037B (zh) 2019-08-23

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