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EP1711288B1 - Joining apparatus - Google Patents

Joining apparatus Download PDF

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Publication number
EP1711288B1
EP1711288B1 EP05707134.2A EP05707134A EP1711288B1 EP 1711288 B1 EP1711288 B1 EP 1711288B1 EP 05707134 A EP05707134 A EP 05707134A EP 1711288 B1 EP1711288 B1 EP 1711288B1
Authority
EP
European Patent Office
Prior art keywords
holder
bracket
face
joining apparatus
contact surface
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.)
Ceased
Application number
EP05707134.2A
Other languages
German (de)
French (fr)
Other versions
EP1711288A1 (en
EP1711288B2 (en
Inventor
Reinhold Opper
Ruben Gutierrez Romero
Georg HÜFNER
Leonhard Will
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.)
Newfrey LLC
Original Assignee
Newfrey LLC
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
Family has litigation
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Application filed by Newfrey LLC filed Critical Newfrey LLC
Publication of EP1711288A1 publication Critical patent/EP1711288A1/en
Publication of EP1711288B1 publication Critical patent/EP1711288B1/en
Application granted granted Critical
Publication of EP1711288B2 publication Critical patent/EP1711288B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B21J13/03—Die mountings
    • 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
    • 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
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
    • Y10T29/49897—Registering mating opposed tool parts [e.g., registering a punch and a cooperating die]
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
    • Y10T29/49943—Riveting
    • 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
    • Y10T29/53039—Means to assemble or disassemble with control means energized in response to activator stimulated by condition sensor
    • Y10T29/53061—Responsive to work or work-related machine element
    • Y10T29/53065—Responsive to work or work-related machine element with means to fasten by deformation
    • 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
    • Y10T29/5343—Means to drive self-piercing work part
    • 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
    • Y10T29/53704—Means to assemble or disassemble tool chuck and tool
    • 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
    • Y10T29/53709—Overedge assembling means
    • Y10T29/5377—Riveter
    • 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
    • Y10T29/53961—Means to assemble or disassemble with work-holder for assembly
    • Y10T29/5397—Means to assemble or disassemble with work-holder for assembly and assembling press [e.g., truss assembling means, etc.]
    • 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
    • Y10T29/53991—Work gripper, anvil, or element
    • 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
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8745—Tool and anvil relatively positionable
    • Y10T83/8746—Straight line

Definitions

  • the invention relates to a joining device according to the preamble of claim 1 or the preamble of claim 2 with a punch tool and a counter tool and a holder having an opening for receiving the punch tool or the counter tool. Both tools are arranged coaxially aligned with each other at different ends of a C-bracket.
  • Such joining devices are known and are used in particular for producing connections, for example rivet and punched rivet connections.
  • the known joining devices have a stamp provided with a drive and as a counter tool on a matching die, which are arranged coaxially to each other, wherein the coaxiality of the punch and die high demands are made, since this the strength and appearance of the compound produced to a large extent is dependent.
  • the coaxiality must be ensured here in the long term and during movement of the joining device, since these devices produce a high number of connections per unit time with the aid of robots.
  • the so-called C-frame or C-bracket serves as a holder and an abutment in the movement of the tools, the C-bracket on the one hand have a low mass and on the other to absorb the forces occurring in the connection processes.
  • US 4,756,072 is a joining device specified in the preamble of claim 1 type, in which the holder for the counter-tool is releasably clamped by means of a dovetail-shaped guide formed at its attachment end to the correspondingly shaped end of a C-bracket.
  • a known joining device forms a solid body, the holder for a counter-tool in the form of a tongue with a socket for receiving a rivet.
  • the holder is integrally connected to a back plate, with which the holder is attached to an end face of a C-bracket.
  • the invention has for its object to provide a joining device, the coaxial adjustment of stamping tool and counter tool is easy and inexpensive to reach. It must be ensured that the coaxiality is given over time and during movement of the joining device.
  • the joining device In addition to the task corresponding advantages of the invention to achieve a cost-effective, simple and way permanent coaxiality of punching tool and counter tool, it is also possible by the joining device according to the invention, different tool spacings and the use of different tools of different materials and the use of tool holders to realize with a different diameter of the receiving bore with a C-bracket.
  • the tools can be retrofitted for wear or a further development easier, faster and cheaper or adapted to new tasks. This is particularly advantageous because C-clamps are very expensive. Due to the high rigidity requirements, they are usually manufactured in one piece with the holder. Due to the separate production of two or more items, the production of the entire C-bracket can be made cheaper and the production time for the C-bracket is shortened.
  • FIG. 1 are parts of a joining device, in this case a Stanzniet worn shown.
  • a holder 4 is arranged on one, in this case the upper end 2 of the C-bracket 1, in the continuous, preferably cylindrical opening or bore 5, a punch tool 8, in this case a punch riveting tool, is arranged.
  • the punch tool 8 at its end remote from the C-bracket 1 still has a number of means for moving the punch tool 8 and the power supply.
  • a feed device 11 which provides the small parts required for the connection, in this case punch rivets.
  • the extreme end of the punch tool which faces the lower end 9 of the C-bracket 1, has a punch 13.
  • a Matrizen obviously 15 with a die or anvil 25 is arranged at the other, lower end 9 of the C-bracket 1, a Matrizen obviously 15 with a die or anvil 25 is arranged.
  • a punch rivet arranged on the punch 13 is split in two between punch 13 and die 25 arranged plates pressed by a movement of the punch 13 in the direction of the die 25 along the axis 16, so that the ends of the punch rivet cut into the sheets and produces a compound of these sheets together with a corresponding deformation of the sheets. Due to the interaction between the punch 13 and die 25 required for this and similar processes, they must be aligned exactly coaxially, the coaxiality being influenced by the attachment of the holder 4 at the upper end 2 of the C-bracket 1.
  • the feeding device 11 can also be guided through a hole in the holder 4 (not shown).
  • a bore extends substantially parallel to the holder opening 5 and may be arranged, for example, behind the holder opening 5 in the direction of the front end 2 of the C-bracket 1.
  • the bore for the feeding device may have, for example, a round or a rectangular cross section.
  • FIG. 2 shows the C-bracket 1, the holder 4, the Matrizenarme 15 with die 25 and all the other other parts again in a perspective exploded view.
  • the planar contact surface 6 of the holder 4 is arranged opposite the front, flat end face 3 of the C-bracket.
  • the end face 3 and the contact surface 7 extend parallel to the middle part of the C-bracket 1 or parallel to the axis of the holder opening 5.
  • the holder 4 is provided with a U-shaped recess which through the contact surface 6 and perpendicular to this contact surfaces 7 are formed.
  • the contact surfaces 7 are arranged opposite the upper and lower end faces 33 of the C-bracket 1.
  • the contact surfaces 7 and end faces 33 in this case run approximately perpendicular to the middle section of the C-bracket 1 or perpendicular to the axis of the holder opening 5.
  • the holder 4 consists of a plate-shaped portion 10 and a receiving body 12 which on the plate-shaped portion 10 on the
  • Abutment surface 6 opposite side is arranged.
  • the longest extent of the plate-shaped portion 10 extends parallel to the axis through the holder opening 5.
  • the holder 4 On the receiving body 12 opposite side of the plate-shaped portion 10, the holder 4, the U-shaped recess for the contact surfaces 6 and 7.
  • the holder opening 5 is arranged in the receiving body 12.
  • the receiving body is arranged eccentrically on the plate-shaped portion, so that in this embodiment, the above, on the die 25 opposite side of the receiving body 12 of the longer part 41 of the plate-shaped portion 10 and below the receiving body of the shorter portion 40 of the plate-shaped portion 10 is located.
  • Cartesian coordinate system 100 is arranged, which shows the three mutually perpendicular spatial directions x, y and z. These directions should also be retained for the following figures.
  • an intermediate layer 17 is inserted between the contact surface 6 and the end face 3, which is formed here as an example wedge-shaped.
  • the intermediate layer 17 By the intermediate layer 17, the lower end of the axis of the punch 13 is tilted a little in the x direction, since the wedge is thickened in the direction of the upper end 10 of the C-bracket 1.
  • the holder 4 and the intermediate layer 17 are releasably secured by means of screws 19 and washers 20 on the end face 3.
  • the holder 4 in the plate-shaped portion 10 corresponding stepped holes 18, the intermediate layer 17 through holes and the C-bracket in the end face 3 threaded holes.
  • the stepped holes 18 and the U-shaped recess for the contact surfaces 6 and 7 are arranged rotationally symmetrical, that the holder 4 even after a rotation through 180 ° about the x-axis, which is perpendicular to the plate-shaped portion 10 at the upper end 2 of the C-bracket 1 can be attached.
  • the intermediate layer 17 may be formed to adjust the holder 4 as a wedge or triangular prism whose thickening in the in FIG. 2 illustrated embodiment in the direction of the other end 9 of the C-bracket has.
  • the intermediate layer 17 may also be formed as a cuboidal plate, so that the axis of the bore 5 and thus the direction of movement of the punch 13 is displaced only in the direction away from the C-bracket 1, ie in the direction of the x-axis.
  • the intermediate layer 17 is formed very thin with two parallel, flat surfaces, so that the existing holes for mounting the holder 4 on the C-bracket 1 can be used.
  • the first flat surface is arranged adjacent to the end face 3 of the C-bracket 1 and the second flat surface faces the contact surface 6 of the holder 4.
  • the two flat surfaces can be arranged parallel to one another (cuboid intermediate layer) or enclose any angle in any desired spatial direction, the angle being at most a few degrees.
  • both planes preferably have a thickness of a few tenths of a millimeter to a few millimeters, in particular from 2 mm to 4 mm, at the location of their greatest thickness.
  • the intermediate layer 17 can be arranged both on the contact surface 6 of the holder 4, which runs parallel to the axis of the bore / opening 5.
  • the orientation of the axis of the holder bore 5 and thus the direction of movement of the punch tool can be selectively influenced such that a displacement of the axis of the holder bore 5 in the direction of the x-axis and / or the y-axis and / or the z-axis and / or a tilting of the axis of the holder bore to the x-axis and / or the y-axis takes place.
  • the Matrizenlie 15 is attached. On the Matrizenlement 15, the die 25 is arranged. It is also conceivable that, in particular during a movement of the die carrier, instead of the punch 13, the die carrier 15 has a holder analogous to the holder 4 of the punch 13, which can be adjusted analogously to this.
  • FIG. 3 is the C-bracket 1 with holder 4 and 15 Matrizenlism of FIG. 2 again shown in a perspective view obliquely from the front.
  • the die carrier 15 has a height h1, so that in this arrangement between the upper end of the Matrizenarmes 15 and the lower end of the receiving body 12 in the direction of the z-axis, a length I1 is given, in which the stamping tool can act.
  • the bore 5 has the diameter d in this embodiment.
  • the holder 4 which is designed to be detachable and replaceable, can now be combined with different diameters d of the bore 5, with different holder design and different holder materials and with different heights of the counter tool.
  • FIG. 4b For example, it is shown to provide the die carrier 15 with a height h2 greater than h1. Furthermore, the holder 4 was compared to the embodiment in FIG. 4a rotated through 180 ° about the x-axis, which is perpendicular to the plate-shaped portion, so that the shorter portion 40 of the plate-shaped portion 10 is now located above the receiving body 12. The longer part 41 of the plate-shaped portion 10 is accordingly arranged on the side of the receiving body 12, which lies opposite the lower end 9 of the C-bracket 1. Accordingly, a length 12 is formed in the direction of the z-axis between the lower end of the receiving body 12 and the upper end of the die carrier 15, the die carrier 15 having a height h 2 above the lower end of the C-bow 1.
  • FIG. 4c illustrated embodiment corresponds to the embodiment according to FIG. 4b , wherein the height h3 of the die carrier 15 above the lower end 9 of the C-bracket 1 is smaller than the height h2 and greater than the height h1. Between the lower end of the receiving body 12 and the upper end of the Matrizenarris 15 thus a length I3 is formed in the direction of the z-axis.
  • FIG. 5a is arranged in a further embodiment of the invention at the end 2 of the C-bracket of the holder 4, between the contact surface 6 and the end face 3 of the upper end 2 of the C-bracket, the intermediate layer 22 is inserted.
  • the holder 4 has analogous to the holder 4 in Figures 2 . 3 and 4 U-shaped contact surfaces 6, 7 on.
  • the perpendicular to the axis of the bore. 5 arranged contact surfaces 7 are in the assembled state on the upper and lower end surfaces 33, which are offset by means of a step of the remaining areas of the one end 2 of the C-bracket.
  • the holder 4 and the intermediate layer 22 are analogous to the embodiment according to Figures 2 . 3 and 4 releasably secured by screws 19 at the upper end 2 of the C-bracket.
  • Pictured key 23 has a rectangular cross-section.
  • FIG. 5c is a further embodiment of a key 23 'shown, which is provided with steps which are arranged along the longitudinal direction of the key.
  • FIG. 5b It can be seen that the contact surfaces 7 are arranged to support the reaction force on the separated with a step from the remaining part of the end 2 of the C-bracket end surfaces 33.
  • FIG. 6 shows a further embodiment of the invention with a holder 24 and the one end 2 of the C-bracket.
  • the through hole 5 is arranged for receiving the punch tool.
  • the holder 24 has a contact surface 6 which runs parallel to the axis of the bore 5.
  • Analogous to the embodiments according to FIGS. 2 to 5 can be arranged between the contact surface 6 and end face 3 an intermediate layer (not shown here).
  • the stepped bores 18 for receiving the fastening elements are located on the stalk-like, the contact surface 6 forming region of the cylindrical holder part.
  • FIG. 6b is the area of an upper one Stepped bore 18 and the region of the associated, arranged in the end face threaded hole cut shown.
  • the screw 19 is sunk in the stepped bore 18 and engages with its thread in the thread of the threaded hole in the end face 3.
  • FIG. 7a Based on Figure 7a to Figure 7c another embodiment is explained, of which one end 2 of the C-bracket and the holder 34 is shown.
  • the cylindrical part of the holder with bore 5 has an extension, which has a contact surface 6 parallel to the axis of the bore 5 and a perpendicular thereto bearing surface 7. Accordingly, the end faces 3 and 33 of the upper end 2 of the C-bracket 1 are formed perpendicular to each other.
  • the holes 18 for receiving the fasteners are on the contact surface 7 opposite side of the holder extension. This is in Figure 7a clearly visible.
  • the thin intermediate layers between the contact surface 6 and end face 3 and / or contact surface 7 and end face 33 for adjusting the holder 34 in the direction of the x-axis and / or the y-axis and / or the z-axis are arranged.
  • FIG. 8 another embodiment of the invention is shown.
  • the holder 44 is provided with U-shaped arranged contact surfaces 47 and 6, all of which are parallel to the axis of the bore 5, wherein the parallel bearing surfaces 47 and the abutment surface 6 are perpendicular to each other.
  • the holder 44 comprises the front end 2 of the C-bracket with the corresponding lateral end faces 43 and is located with the perpendicular to this end face 3 on the contact surface 6 at.
  • the holes 18 for the releasable attachment of the holder 44 at the end 2 of the C-bracket are arranged in the abutment surfaces 47 forming legs of the holder 44 and the intermediate end 2.
  • FIG. 9 shows a further embodiment of the invention, with a lateral contact surface 47 and two arranged perpendicular thereto Contact surfaces 6 on the holder 54 and corresponding end faces 3 at one end 2 of the C-bracket.
  • the two contact surfaces 6 and the corresponding end faces 3 are offset in the x direction and are separated from one another by a lateral contact surface 47 or a lateral end surface 43.
  • a lateral contact surface 47 or a lateral end surface 43 Compared to FIG. 8 is the lateral abutment surface 47 and accordingly the lateral end face 43 provided only once.
  • the attachment of the holder 54 takes place at the upper end 2 of the C-bracket 1 by means of holes 18.
  • the holes are arranged in the extension or leg of the holder 54, which forms the contact surface 47.
  • thin intermediate layers (not shown) between contact surface 47 and lateral end face 43 and / or abutment surface 6 and end face 3 are arranged, which allow an adjustment of the holder 44 or 54 for adjusting the coaxiality.
  • a tongue and groove connection may be provided to relieve the screw connection of the embodiments according to FIG. 8 or 9.
  • FIG. 10 Another embodiment of the invention is the FIG. 10 refer to.
  • the figures show the one end 2 of the C-bracket and the holder 64, which is arranged on the flat end face 3 of the C-bracket.
  • the end face 3 of the C-bracket extends parallel to the axis of movement of the punch or the holder bore 5.
  • the holder 64 is prism-shaped with an octagonal base.
  • the holder 64 has a through hole 5, which serves to receive the punch tool.
  • the bore 5 is formed so that it is not concentric with the axis of the octagonal prism and / or does not coincide with this axis.
  • the prism is not circularly symmetrical, so that no axis can be defined for the prism.
  • the deviations ie the angle between the prism axis and the bore axis or the deviations from the circular symmetry are very small.
  • the bore to at least two different, preferably all flat contact surfaces 6, which are also side surfaces of the holder 64, a different distance and / or a different inclination. All abutment surfaces 6 form the mantle of the prism.
  • the holder 64 can with each of the contact surfaces 6 on the end face 3 according to the required inclination of Bore axis and / or in each case the required distance of the bore axis of the end face 3 in the direction of the x-axis and / or the y-axis and / or the z-axis are arranged so that a particularly simple adjustment of the holder and thus the punch tool or the counter tool is possible.
  • the end 2 of the C-bracket at the front end to a plate-shaped portion 62 which is formed substantially cuboid and the holder 64 facing, planar side of the end face 3 for mounting the holder forms.
  • This end face 3 is at the same time the largest surface of the cuboid and serves for better attachment of the holder 64 on the end face third
  • the holes 18 for the releasable attachment of the holder 64 are present on each contact surface 6, wherein in a preferred embodiment, analogous to the embodiment according to FIG. 6
  • the bores 18 are provided symmetrically such that when the prism is rotated by 180 ° about the x-axis, which is perpendicular to the axis of the bore 5, the prism can also be fastened to the end face 3.
  • the side surfaces may have notches and correspondingly the end surface 3 lugs, wherein when mounting the holder at the end of the C-bracket, the nose of the end face into the notch of a side surface intervenes.
  • the prism of the holder 64 may also have other base surfaces, for example a triangle, square or hexagon.
  • Another embodiment of the invention may be that one of the holders described above simultaneously forms the housing of the stamping tool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Connection Of Plates (AREA)
  • Insertion Pins And Rivets (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Description

Die Erfindung betrifft eine Fügeeinrichtung gemäß dem Oberbegriff des Anspruchs 1 oder dem Oberbegriff des Anspruchs 2 mit einem Stempelwerkzeug und einem Gegenwerkzeug und einem Halter mit einer Öffnung zur Aufnahme des Stempelwerkzeugs oder des Gegenwerkzeugs. Beide Werkzeuge sind koaxial zueinander ausgerichtet an verschiedenen Enden eines C-Bügels angeordnet.The invention relates to a joining device according to the preamble of claim 1 or the preamble of claim 2 with a punch tool and a counter tool and a holder having an opening for receiving the punch tool or the counter tool. Both tools are arranged coaxially aligned with each other at different ends of a C-bracket.

Derartige Fügeeinrichtungen sind bekannt und dienen insbesondere zum Herstellen von Verbindungen, beispielsweise von Niet- und Stanznietverbindungen. Die bekannten Fügeeinrichtungen weisen einen mit einem Antrieb versehenen Stempel und als Gegenwerkzeug eine passende Matrize auf, die koaxial zueinander angeordnet sind, wobei an die Koaxialität von Stempel und Matrize hohe Ansprüche gestellt werden, da hiervon die Festigkeit und das Aussehen der hergestellten Verbindung in starkem Maße abhängig ist. Die Koaxialität muss hierbei auf Dauer und bei Bewegung der Fügeeinrichtung gewährleistet sein, da durch diese Einrichtungen eine hohe Anzahl von Verbindungen pro Zeiteinheit mit Hilfe von Robotern gefertigt wird. Der sogenannte C-Rahmen oder C-Bügel dient hierbei als Halterung und Gegenlager bei der Bewegung der Werkzeuge, wobei der C-Bügel zum einen eine geringe Masse aufweisen und zum anderen die bei den Verbindungsprozessen auftretenden Kräfte aufnehmen soll.Such joining devices are known and are used in particular for producing connections, for example rivet and punched rivet connections. The known joining devices have a stamp provided with a drive and as a counter tool on a matching die, which are arranged coaxially to each other, wherein the coaxiality of the punch and die high demands are made, since this the strength and appearance of the compound produced to a large extent is dependent. The coaxiality must be ensured here in the long term and during movement of the joining device, since these devices produce a high number of connections per unit time with the aid of robots. The so-called C-frame or C-bracket serves as a holder and an abutment in the movement of the tools, the C-bracket on the one hand have a low mass and on the other to absorb the forces occurring in the connection processes.

Ähnliche Probleme treten auch bei Pressen, Prägemaschinen und Stanzen auf, d.h. überall dort, wo zwei zusammen wirkende Werkzeuge (Stempel und Matrize bzw. Amboss) koaxial zueinander ausgerichtet sein müssen.Similar problems also occur in presses, embossing machines and stamping, i. wherever two co-acting tools (punch and die or anvil) must be aligned coaxially with each other.

Aus US 4 756 072 A ist eine Fügeeinrichtung der im Oberbegriff des Patentanspruchs 1 angegebenen Art bekannt, bei der der Halter für das Gegenwerkzeug mittels einer an seinem Befestigungsende ausgebildeten schwalbenschwanzförmigen Führung an dem entsprechend ausgebildeten Ende eines C-Bügels lösbar festgeklemmt ist.Out US 4,756,072 is a joining device specified in the preamble of claim 1 type, in which the holder for the counter-tool is releasably clamped by means of a dovetail-shaped guide formed at its attachment end to the correspondingly shaped end of a C-bracket.

Bei einer aus US 3 127 044 A bekannten Fügeeinrichtung bildet ein massiver Körper den Halter für ein Gegenwerkzeug in der Form einer Zunge mit einer Fassung zur Aufnahme eines Niets. Der Halter ist einstückig mit einer Rückenplatte verbunden, mit der der Halter an einer Stirnfläche eines C-Bügels befestigt ist.At one off US 3 127 044 A known joining device forms a solid body, the holder for a counter-tool in the form of a tongue with a socket for receiving a rivet. The holder is integrally connected to a back plate, with which the holder is attached to an end face of a C-bracket.

In der Druckschrift DE 197 43 277 A1 wird eine Fügeeinrichtung der genannten Art beschrieben, bei der in einer Aufnahmebohrung im oberen Steg eines C-Bügels zur Halterung eines Nietsetzwerkzeuges zwei Exzenterbuchsen angeordnet sind. Die Exzenterbuchsen weisen die gleiche Exzentrizität auf und werden zum Einstellen der Koaxialität bzw. zum Ausgleich von Fluchtungsfehlern mit einem Hakenschlüssel gegeneinander verdreht. Die Drehlage ist mittels einer in Ausfräsungen am Umfang der Exzenterbuchse einsetzbaren Schraube arretierbar.In the publication DE 197 43 277 A1 a joining device of the type mentioned is described in which two eccentric bushes are arranged in a receiving bore in the upper web of a C-bracket for holding a Nietsetzwerkzeuges. The eccentric bushes have the same eccentricity and are rotated against each other to adjust the coaxiality or to compensate for misalignment with a hook wrench. The rotational position can be locked by means of a screw which can be inserted into cutouts on the circumference of the eccentric bushing.

Aus dem Artikel "Stanznieten ist zukunftsträchtig in der Blechverarbeitung" aus der Zeitschrift "Bänder, Bleche, Rohre" 5/ 91, Seite 94 ff., ist ein Stanznietsystem bekannt, bei dem das Stempelwerkzeug an das obere Ende eines C-Bügels angeschraubt ist.From the article "punch rivets is promising in sheet metal processing" from the magazine "bands, sheets, tubes" 5/91, page 94 et seq., A stamped riveting system is known in which the stamping tool is screwed to the upper end of a C-bracket.

Der Erfindung liegt die Aufgabe zugrunde, eine Fügeeinrichtung zu schaffen, deren koaxiale Einstellung von Stempelwerkzeug und Gegenwerkzeug einfach und kostengünstig erreichbar ist. Dabei muss gewährleistet sein, dass die Koaxialität auf Dauer und bei Bewegung der Fügeeinrichtung gegeben ist.The invention has for its object to provide a joining device, the coaxial adjustment of stamping tool and counter tool is easy and inexpensive to reach. It must be ensured that the coaxiality is given over time and during movement of the joining device.

Die Aufgabe wird erfindungsgemäß durch die Fügeeinrichtung mit den Merkmalen nach Anspruch 1 gelöst.The object is achieved by the joining device with the features of claim 1.

Neben den der Aufgabenstellung entsprechenden Vorteilen der Erfindung, auf eine kostengünstige, einfache und Weise eine dauerhafte Koaxialität von Stempelwerkzeug und Gegenwerkzeug zu erreichen, wird es durch die erfindungsgemäße Fügeeinrichtung zusätzlich möglich, verschiedene Werkzeugabstände und die Verwendung verschiedener Werkzeuge aus verschiedenen Materialien sowie die Verwendung von Werkzeugaufnahmen mit unterschiedlichem Durchmesser der Aufnahmebohrung mit einem C-Bügel zu realisieren. Außerdem können die Werkzeuge bei Verschleiß oder einer Weiterentwicklung einfacher, schneller und kostengünstiger nachgerüstet oder an neue Aufgaben angepasst werden. Dies ist insbesondere vorteilhaft, da C-Bügel sehr teuer sind. Sie werden aufgrund der hohen Anforderungen an die Steifigkeit in der Regel mit dem Halter aus einem Stück gefertigt. Durch die getrennte Fertigung aus zwei oder mehreren Einzelteilen kann die Fertigung des gesamten C-Bügels preiswerter gestaltet werden und die Herstellzeit für den C-Bügel verkürzt sich.In addition to the task corresponding advantages of the invention to achieve a cost-effective, simple and way permanent coaxiality of punching tool and counter tool, it is also possible by the joining device according to the invention, different tool spacings and the use of different tools of different materials and the use of tool holders to realize with a different diameter of the receiving bore with a C-bracket. In addition, the tools can be retrofitted for wear or a further development easier, faster and cheaper or adapted to new tasks. This is particularly advantageous because C-clamps are very expensive. Due to the high rigidity requirements, they are usually manufactured in one piece with the holder. Due to the separate production of two or more items, the production of the entire C-bracket can be made cheaper and the production time for the C-bracket is shortened.

Die in den abhängigen Ansprüchen beschriebenen Gegenstände stellen vorteilhafte Weiterbildungen des Gegenstands des Anspruchs 1 dar. Es ist insbesondere vorteilhaft, die Zwischenlage keilförmig auszubilden, da so die Achsenlage des Stempel- oder Gegenwerkzeugs gezielt in eine Richtung beeinflussbar ist. Es ist ebenso von Vorteil, mehrere Anlageflächen vorzusehen, die rechtwinklig aufeinander stehen oder durch die Innenflächen eines U-förmigen Elementes gebildet werden, so dass das Werkzeug bei Bewegungen stabiler ausgebildet ist. Eine sehr vorteilhafte vielseitige Einsetzbarkeit des Halters in Bezug zum Abstand zum Gegenwerkzeug wird ermöglicht, wenn der Halter und das zugehörige Ende des C-Bügels derart ausgebildet sind, dass der Halter um 180° drehbar ist. Weitere Vorteile der bevorzugten Ausführungsformen sind der nachfolgenden Beschreibung zu entnehmen.The objects described in the dependent claims represent advantageous developments of the subject matter of claim 1. It is particularly advantageous to form the intermediate wedge-shaped, since so the axial position of the punch or counter tool can be selectively influenced in one direction. It is also advantageous to provide a plurality of contact surfaces that are perpendicular to each other or formed by the inner surfaces of a U-shaped element, so that the tool at Movements is made more stable. A very advantageous versatility versatility of the holder with respect to the distance to the counter tool is made possible when the holder and the associated end of the C-bracket are formed such that the holder is rotatable by 180 °. Further advantages of the preferred embodiments can be found in the following description.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher erläutert, die in der Zeichnung dargestellt sind. Es zeigen

Figur 1
Teile einer erfindungsgemäßen Fügeeinrichtung in einer Ansicht von der Seite,
Figur 2
den C-Bügel, Halter und Gegenwerkzeug einer erfindungsgemäßen Fügeeinrichtung in Explosionsdarstellung,
Figur 3
C-Bügel, Halter und Gegenwerkzeug in einer perspektivischen Ansicht von schräg vorn,
Figur 4
verschiedene Anordnungen von Halter und Gegenwerkzeug am C-Bügel einer erfindungsgemäßen Fügeeinrichtung in Seitenansichten,
Figur 5
eine weitere Ausführungsform für Halter und zugehöriges Ende des C-Bügels einer erfindungsgemäßen Fügeeinrichtung in einer perspektivischen Explosionsansicht (a) und einer Ansicht von der Seite (b) sowie ein Ausführungsbeispiel einer Passfeder in einer perspektivischen Ansicht von der Seite (c),
Figur 6
eine weitere Ausführungsform für Halter und zugehöriges Ende des C-Bügels einer erfindungsgemäßen Fügeeinrichtung in einer Ansicht von unten (a), einer Ansicht von der Seite (b), einer Ansicht von vorn (c) und einer perspektivischen Ansicht von der Seite (d),
Figur 7
eine weitere Ausführungsform für Halter und zugehöriges Ende des C-Bügels einer erfindungsgemäßen Fügeeinrichtung in einer Ansicht von unten (a), einer Ansicht von der Seite (b) und einer perspektivischen Ansicht von der Seite (c),
Figur 8
eine weitere Ausführungsform für Halter und zugehöriges Ende des C-Bügels einer erfindungsgemäßen Fügeeinrichtung in einer Ansicht von unten (a), einer Ansicht von der Seite (b) und einer perspektivischen Ansicht von der Seite (c),
Figur 9
eine weitere Ausführungsform für Halter und zugehöriges Ende des C-Bügels einer erfindungsgemäßen Fügeeinrichtung in einer Ansicht von unten (a), einer Ansicht von der Seite (b) und einer perspektivischen Ansicht von der Seite (c) und
Figur 10
eine weitere Ausführungsform für Halter und zugehöriges Ende des C-Bügels einer erfindungsgemäßen Fügeeinrichtung in einer Ansicht von der Seite (a), einer Ansicht von oben (b) und einer perspektivischen Ansicht von der Seite (c).
The invention will be explained in more detail by means of embodiments which are illustrated in the drawing. Show it
FIG. 1
Parts of a joining device according to the invention in a view from the side,
FIG. 2
the C-bracket, holder and counter tool of a joining device according to the invention in an exploded view,
FIG. 3
C-bracket, holder and counter tool in a perspective view obliquely from the front,
FIG. 4
various arrangements of holder and counter-tool on the C-bracket of a joining device according to the invention in side views,
FIG. 5
a further embodiment of the holder and associated end of the C-bracket of a joining device according to the invention in an exploded perspective view (a) and a view from the side (b) and an embodiment of a key in a perspective view from the side (c),
FIG. 6
a further embodiment for holder and associated end of the C-bracket of a joining device according to the invention in a view from below (a), a view from the side (b), a front view (c) and a perspective view from the side (d) .
FIG. 7
a further embodiment for holder and associated end of the C-bracket of a joining device according to the invention in a view from below (a), a view from the side (b) and a perspective view from the side (c),
FIG. 8
a further embodiment for holder and associated end of the C-bracket of a joining device according to the invention in a view from below (a), a view from the side (b) and a perspective view from the side (c),
FIG. 9
a further embodiment of the holder and associated end of the C-bracket of a joining device according to the invention in a view from below (a), a view from the side (b) and a perspective view from the side (c) and
FIG. 10
a further embodiment of the holder and associated end of the C-bracket of a joining device according to the invention in a view from the side (a), a view from above (b) and a perspective view from the side (c).

In Figur 1 sind Teile einer Fügeeinrichtung, in diesem Fall einer Stanznieteinrichtung, dargestellt. Am C-Bügel 1 ist an einem, in diesem Fall dem oberen Ende 2 des C-Bügels 1 ein Halter 4 angeordnet, in dessen durchgehende, vorzugsweise zylinderförmige Öffnung oder Bohrung 5 ein Stempelwerkzeug 8, in diesem Fall ein Stanznietwerkzeug, angeordnet ist. Hierbei ist in Figur 1 nicht dargestellt, dass das Stempelwerkzeug 8 an seinem dem C-Bügel 1 abgewandten Ende noch eine Reihe von Einrichtungen zur Bewegung des Stempelwerkzeugs 8 und zur Energiezufuhr aufweist. An dem Ende des Stempelwerkzeugs 8, das dem anderen, in diesem Fall dem unteren Ende 9 des C-Bügels 1 zugewandt ist, befindet sich eine Zuführeinrichtung 11, die die für die Verbindung benötigten Kleinteile, in diesem Fall Stanzniete, bereitstellt. Das äußerste Ende des Stempelwerkzeugs, das dem unteren Ende 9 des C-Bügels 1 zugewandt ist, weist einen Stempel 13 auf. Am anderen, unteren Ende 9 des C-Bügels 1 ist ein Matrizenträger 15 mit einer Matrize oder einem Amboss 25 angeordnet. Zum Herstellen einer Verbindung wird beispielsweise ein am Stempel 13 angeordneter Stanzniet in zwei zwischen Stempel 13 und Matrize 25 angeordnete Bleche durch eine Bewegung des Stempels 13 in Richtung Matrize 25 entlang der Achse 16 hineingedrückt, so dass die Enden des Stanzniets in die Bleche einschneiden und zusammen mit einer entsprechenden Verformung der Bleche eine Verbindung dieser Bleche herstellt. Durch das für diesen und ähnliche Vorgänge erforderliche Zusammenwirken zwischen Stempel 13 und Matrize 25 müssen diese exakt koaxial ausgerichtet sein, wobei die Koaxialität durch die Befestigung des Halters 4 am oberen Ende 2 des C-Bügels 1 beeinflusst wird.In FIG. 1 are parts of a joining device, in this case a Stanznieteinrichtung shown. On the C-bracket 1, a holder 4 is arranged on one, in this case the upper end 2 of the C-bracket 1, in the continuous, preferably cylindrical opening or bore 5, a punch tool 8, in this case a punch riveting tool, is arranged. Here is in FIG. 1 not shown that the punch tool 8 at its end remote from the C-bracket 1 still has a number of means for moving the punch tool 8 and the power supply. At the end of the punch tool 8, which faces the other, in this case the lower end 9 of the C-bracket 1, there is a feed device 11, which provides the small parts required for the connection, in this case punch rivets. The extreme end of the punch tool, which faces the lower end 9 of the C-bracket 1, has a punch 13. At the other, lower end 9 of the C-bracket 1, a Matrizenträger 15 with a die or anvil 25 is arranged. To establish a connection, for example, a punch rivet arranged on the punch 13 is split in two between punch 13 and die 25 arranged plates pressed by a movement of the punch 13 in the direction of the die 25 along the axis 16, so that the ends of the punch rivet cut into the sheets and produces a compound of these sheets together with a corresponding deformation of the sheets. Due to the interaction between the punch 13 and die 25 required for this and similar processes, they must be aligned exactly coaxially, the coaxiality being influenced by the attachment of the holder 4 at the upper end 2 of the C-bracket 1.

In einem weiteren Ausführungsbeispiel kann die Zuführeinrichtung 11 auch durch eine Bohrung im Halter 4 geführt werden (nicht dargestellt). Eine derartige Bohrung verläuft im Wesentlichen parallel zur Halteröffnung 5 und kann beispielsweise hinter der Halteröffnung 5 in Richtung des vorderen Endes 2 des C-Bügels 1 angeordnet sein. Die Bohrung für die Zuführeinrichtung kann beispielsweise einen runden oder einen rechteckigen Querschnitt aufweisen.In a further embodiment, the feeding device 11 can also be guided through a hole in the holder 4 (not shown). Such a bore extends substantially parallel to the holder opening 5 and may be arranged, for example, behind the holder opening 5 in the direction of the front end 2 of the C-bracket 1. The bore for the feeding device may have, for example, a round or a rectangular cross section.

Figur 2 zeigt den C-Bügel 1, den Halter 4, den Matrizenträger 15 mit Matrize 25 und alle zugehörigen anderen Teile noch einmal in einer perspektivischen Explosionsdarstellung. Am oberen Ende 2 des C-Bügels 1 ist gegenüber der vorderen, ebenen Stirnfläche 3 des C-Bügels die ebene Anlagefläche 6 des Halters 4 angeordnet. Die Stirnfläche 3 und die Anlagefläche 7 verlaufen dabei parallel zum mittleren Teil des C-Bügels 1 oder parallel zur Achse der Halteröffnung 5. Der Halter 4 ist mit einer U-förmigen Aussparung versehen, die durch die Anlagefläche 6 und die zu dieser senkrecht stehenden Anlageflächen 7 gebildet werden. Die Anlageflächen 7 sind gegenüber den oberen und unteren Stirnflächen 33 des C-Bügels 1 angeordnet. Die Anlagenflächen 7 und Stirnflächen 33 verlaufen dabei in etwa senkrecht zum Mittelteil des C-Bügels 1 bzw. senkrecht zur Achse der Halteröffnung 5. FIG. 2 shows the C-bracket 1, the holder 4, the Matrizenträger 15 with die 25 and all the other other parts again in a perspective exploded view. At the upper end 2 of the C-bracket 1, the planar contact surface 6 of the holder 4 is arranged opposite the front, flat end face 3 of the C-bracket. The end face 3 and the contact surface 7 extend parallel to the middle part of the C-bracket 1 or parallel to the axis of the holder opening 5. The holder 4 is provided with a U-shaped recess which through the contact surface 6 and perpendicular to this contact surfaces 7 are formed. The contact surfaces 7 are arranged opposite the upper and lower end faces 33 of the C-bracket 1. The contact surfaces 7 and end faces 33 in this case run approximately perpendicular to the middle section of the C-bracket 1 or perpendicular to the axis of the holder opening 5.

Im Folgenden werden alle am vorderen Ende des oberen Endes 2 des C-Bügels 1 den Anlageflächen des Halters gegenüber liegenden Flächen des C-Bügels als Stirnflächen bezeichnet.In the following, all the surfaces of the C-bracket opposite the contact surfaces of the holder will be referred to as end surfaces at the front end of the upper end 2 of the C-bracket 1.

Der Halter 4 besteht aus einem plattenförmigen Abschnitt 10 und einem Aufnahmekörper 12, der am plattenförmigen Abschnitt 10 auf der derThe holder 4 consists of a plate-shaped portion 10 and a receiving body 12 which on the plate-shaped portion 10 on the

Anlagefläche 6 gegenüber liegenden Seite angeordnet ist. Die längste Erstreckung des plattenförmigen Abschnitts 10 verläuft parallel zur Achse durch die Halteröffnung 5. Auf der dem Aufnahmekörper 12 gegenüber liegenden Seite des plattenförmigen Abschnitts 10 weist der Halter 4 die U-förmige Aussparung für die Anlageflächen 6 und 7 auf. Die Halteröffnung 5 ist in dem Aufnahmekörper 12 angeordnet. Der Aufnahmekörper ist außermittig am plattenförmigen Abschnitt angeordnet, so dass in diesem Ausführungsbeispiel der oben, auf der der Matritze 25 entgegengesetzten Seite des Aufnahmekörpers 12 der längere Teil 41 des plattenförmigen Abschnitts 10 und unterhalb des Aufnahmekörpers der kürzere Teil 40 des plattenförmigen Abschnitts 10 liegt.Abutment surface 6 opposite side is arranged. The longest extent of the plate-shaped portion 10 extends parallel to the axis through the holder opening 5. On the receiving body 12 opposite side of the plate-shaped portion 10, the holder 4, the U-shaped recess for the contact surfaces 6 and 7. The holder opening 5 is arranged in the receiving body 12. The receiving body is arranged eccentrically on the plate-shaped portion, so that in this embodiment, the above, on the die 25 opposite side of the receiving body 12 of the longer part 41 of the plate-shaped portion 10 and below the receiving body of the shorter portion 40 of the plate-shaped portion 10 is located.

Zur besseren Veranschaulichung von Richtungsbeschreibungen ist seitlich in Figur 2 ein kartesisches Koordinatensystem 100 angeordnet, das die drei senkrecht aufeinander stehenden Raumrichtungen x, y und z zeigt. Diese Richtungen sollen auch für die folgenden Figuren beibehalten werden.For better illustration of directional descriptions is sideways in FIG. 2 a Cartesian coordinate system 100 is arranged, which shows the three mutually perpendicular spatial directions x, y and z. These directions should also be retained for the following figures.

Um die Halteröffnung 5 und damit auch den Stempel koaxial zur Matrize 25 auszurichten, wird zwischen der Anlagefläche 6 und der Stirnfläche 3 eine Zwischenlage 17 eingefügt, die hier als Beispiel keilförmig ausgebildet ist. Durch die Zwischenlage 17 wird das untere Ende der Achse des Stempels 13 ein wenig in x-Richtung gekippt, da der Keil in Richtung des oberen Endes 10 des C-Bügels 1 verdickt ist. Nach Einfügen der passenden Zwischenlage 17 werden der Halter 4 und die Zwischenlage 17 mittels Schrauben 19 und Unterlegscheiben 20 an der Stirnfläche 3 lösbar befestigt. Hierfür weist der Halter 4 im plattenförmigen Abschnitt 10 entsprechende Stufenbohrungen 18, die Zwischenlage 17 Durchgangsbohrungen und der C-Bügel in der Stirnfläche 3 Gewindebohrungen auf. Hierbei sind die Stufenbohrungen 18 und die U-förmige Ausnehmung für die Anlageflächen 6 und 7 derart drehsymmetrisch angeordnet, dass der Halter 4 auch nach einer Drehung um 180° um die x-Achse, die auf dem plattenförmigen Abschnitt 10 senkrecht steht, am oberen Ende 2 des C-Bügels 1 befestigt werden kann.In order to align the holder opening 5 and thus also the punch coaxial with the die 25, an intermediate layer 17 is inserted between the contact surface 6 and the end face 3, which is formed here as an example wedge-shaped. By the intermediate layer 17, the lower end of the axis of the punch 13 is tilted a little in the x direction, since the wedge is thickened in the direction of the upper end 10 of the C-bracket 1. After inserting the appropriate intermediate layer 17, the holder 4 and the intermediate layer 17 are releasably secured by means of screws 19 and washers 20 on the end face 3. For this purpose, the holder 4 in the plate-shaped portion 10 corresponding stepped holes 18, the intermediate layer 17 through holes and the C-bracket in the end face 3 threaded holes. Here, the stepped holes 18 and the U-shaped recess for the contact surfaces 6 and 7 are arranged rotationally symmetrical, that the holder 4 even after a rotation through 180 ° about the x-axis, which is perpendicular to the plate-shaped portion 10 at the upper end 2 of the C-bracket 1 can be attached.

Die Zwischenlage 17 kann zur Justierung des Halters 4 als Keil oder Dreieck-Prisma ausgebildet sein, dessen Verdickung in dem in Figur 2 dargestellten Ausführungsbeispiel in Richtung des anderen Endes 9 des C-Bügels weist. In einem weiteren Ausführungsbeispiel kann die Zwischenlage 17 auch als quaderförmiges Plättchen ausgebildet sein, so dass die Achse der Bohrung 5 und damit die Bewegungsrichtung des Stempels 13 lediglich in die vom C-Bügel 1 abgewandte Richtung, also in Richtung der x-Achse verschoben wird. Im Allgemeinen ist die Zwischenlage 17 sehr dünn mit aus zwei parallelen, ebenen Flächen ausgebildet, so dass die vorhandenen Bohrungen zum Befestigen des Halters 4 am C-Bügel 1 genutzt werden können. Die erste ebene Fläche ist benachbart zur Stirnfläche 3 des C-Bügels 1 angeordnet und die zweite ebene Fläche ist der Anlagefläche 6 des Halters 4 zugewandt. Die beiden ebenen Flächen können parallel zueinander angeordnet sein (quaderförmige Zwischenlage) oder jeden beliebigen Winkel in jede beliebige Raumrichtung einschließen, wobei der Winkel höchstens wenige Grad beträgt. In einem Ausführungsbeispiel haben beiden Ebenen am Ort ihrer größten Dicke vorzugsweise eine Dicke von wenigen Zehntel Millimeter bis einigen Millimeter, insbesondere von 2 mm bis 4 mm. Die Zwischenlage 17 kann sowohl an der Anlagefläche 6 des Halters 4, die parallel zur Achse der Bohrung/Öffnung 5 verläuft, angeordnet sein. Durch die Verwendung von verschiedenen Zwischenlagen an der Anlagefläche 6 kann die Ausrichtung der Achse der Halterbohrung 5 und somit die Bewegungsrichtung des Stempelwerkzeugs gezielt derart beeinflusst werden, dass eine Verschiebung der Achse der Halterbohrung 5 in Richtung der x-Achse und/oder der y-Achse und/oder der z-Achse und/oder eine Verkippung der Achse der Halterbohrung zur x-Achse und/oder zur y-Achse erfolgt.The intermediate layer 17 may be formed to adjust the holder 4 as a wedge or triangular prism whose thickening in the in FIG. 2 illustrated embodiment in the direction of the other end 9 of the C-bracket has. In According to another embodiment, the intermediate layer 17 may also be formed as a cuboidal plate, so that the axis of the bore 5 and thus the direction of movement of the punch 13 is displaced only in the direction away from the C-bracket 1, ie in the direction of the x-axis. In general, the intermediate layer 17 is formed very thin with two parallel, flat surfaces, so that the existing holes for mounting the holder 4 on the C-bracket 1 can be used. The first flat surface is arranged adjacent to the end face 3 of the C-bracket 1 and the second flat surface faces the contact surface 6 of the holder 4. The two flat surfaces can be arranged parallel to one another (cuboid intermediate layer) or enclose any angle in any desired spatial direction, the angle being at most a few degrees. In one embodiment, both planes preferably have a thickness of a few tenths of a millimeter to a few millimeters, in particular from 2 mm to 4 mm, at the location of their greatest thickness. The intermediate layer 17 can be arranged both on the contact surface 6 of the holder 4, which runs parallel to the axis of the bore / opening 5. By using different intermediate layers on the contact surface 6, the orientation of the axis of the holder bore 5 and thus the direction of movement of the punch tool can be selectively influenced such that a displacement of the axis of the holder bore 5 in the direction of the x-axis and / or the y-axis and / or the z-axis and / or a tilting of the axis of the holder bore to the x-axis and / or the y-axis takes place.

Am unteren Ende 9 des C-Bügels 1 ist der Matrizenträger 15 befestigt. Auf dem Matrizenträger 15 ist die Matrize 25 angeordnet. Es ist auch denkbar, dass, insbesondere bei einer Bewegung des Matrizenträgers, statt des Stempels 13 der Matrizenträger 15 einen Halter analog zum Halter 4 des Stempels 13 aufweist, der analog zu diesem justiert werden kann.At the lower end 9 of the C-bracket 1, the Matrizenträger 15 is attached. On the Matrizenträger 15, the die 25 is arranged. It is also conceivable that, in particular during a movement of the die carrier, instead of the punch 13, the die carrier 15 has a holder analogous to the holder 4 of the punch 13, which can be adjusted analogously to this.

In Figur 3 ist der C-Bügel 1 mit Halter 4 und Matrizenträger 15 von Figur 2 noch einmal in einer perspektivischen Ansicht von schräg vorn dargestellt.In FIG. 3 is the C-bracket 1 with holder 4 and 15 Matrizenträger of FIG. 2 again shown in a perspective view obliquely from the front.

In Figur 4a bis Figur 4c sind verschiedene Ausführungsformen für die Anordnung des Halters 4 nach Figur 2 und 3 sowie für die Matrizenträger 15 dargestellt.In Figure 4a to Figure 4c are different embodiments for the arrangement of the holder 4 after FIG. 2 and 3 and for the Matrizenträger 15 shown.

In Figur 4a weist der Matrizenträger 15 eine Höhe h1 auf, so dass bei dieser Anordnung zwischen dem oberen Ende des Matrizenträgers 15 und dem unteren Ende des Aufnahmekörpers 12 in Richtung der z-Achse eine Länge I1 gegeben ist, in der das Stempelwerkzeug agieren kann. Die Bohrung 5 weist in diesem Ausführungsbeispiel den Durchmesser d auf. Zur Lösung unterschiedlicher Verbindungsaufgaben kann nun der Halter 4, der lösbar und auswechselbar gestaltet ist, mit unterschiedlichen Durchmessern d der Bohrung 5, mit unterschiedlicher Haltergestaltung und unterschiedlichen Haltermaterialien sowie mit unterschiedlichen Höhen des Gegenwerkzeugs kombiniert werden.In FIG. 4a the die carrier 15 has a height h1, so that in this arrangement between the upper end of the Matrizenträgers 15 and the lower end of the receiving body 12 in the direction of the z-axis, a length I1 is given, in which the stamping tool can act. The bore 5 has the diameter d in this embodiment. To solve different connection tasks, the holder 4, which is designed to be detachable and replaceable, can now be combined with different diameters d of the bore 5, with different holder design and different holder materials and with different heights of the counter tool.

In Figur 4b ist beispielsweise gezeigt, der Matrizenträger 15 mit einer Höhe h2, die größer ist als h1, vorzusehen. Des weiteren wurde der Halter 4 gegenüber dem Ausführungsbeispiel in Figur 4a um 180° um die x-Achse, die auf dem plattenförmigen Abschnitt senkrecht steht, gedreht, so dass der kürzere Teil 40 des plattenförmigen Abschnitts 10 nun oberhalb des Aufnahmekörpers 12 angeordnet ist. Der längere Teil 41 des plattenförmigen Abschnitts 10 ist demnach auf der Seite des Aufnahmekörpers 12 angeordnet, die dem unteren Ende 9 des C-Bügels 1 gegenüber liegt. Zwischen unterem Ende des Aufnahmekörpers 12 und oberem Ende des Matrizenträgers 15 wird demnach in Richtung der z-Achse eine Länge I2 ausgebildet, wobei der Matrizenträger 15 eine Höhe h2 über dem unteren Ende des C-Bügels 1 aufweist.In FIG. 4b For example, it is shown to provide the die carrier 15 with a height h2 greater than h1. Furthermore, the holder 4 was compared to the embodiment in FIG. 4a rotated through 180 ° about the x-axis, which is perpendicular to the plate-shaped portion, so that the shorter portion 40 of the plate-shaped portion 10 is now located above the receiving body 12. The longer part 41 of the plate-shaped portion 10 is accordingly arranged on the side of the receiving body 12, which lies opposite the lower end 9 of the C-bracket 1. Accordingly, a length 12 is formed in the direction of the z-axis between the lower end of the receiving body 12 and the upper end of the die carrier 15, the die carrier 15 having a height h 2 above the lower end of the C-bow 1.

Das in Figur 4c abgebildete Ausführungsbeispiel entspricht dem Ausführungsbeispiel nach Figur 4b, wobei die Höhe h3 des Matrizenträgers 15 über dem unteren Ende 9 des C-Bügels 1 kleiner ist als die Höhe h2 und größer als die Höhe h1. Zwischen dem unteren Ende des Aufnahmekörpers 12 und dem oberen Ende des Matrizenträgers 15 wird somit in Richtung der z-Achse eine Länge I3 ausgebildet.This in Figure 4c illustrated embodiment corresponds to the embodiment according to FIG. 4b , wherein the height h3 of the die carrier 15 above the lower end 9 of the C-bracket 1 is smaller than the height h2 and greater than the height h1. Between the lower end of the receiving body 12 and the upper end of the Matrizenträgers 15 thus a length I3 is formed in the direction of the z-axis.

In Figur 5a ist in einem weiteren Ausführungsbeispiel der Erfindung am Ende 2 des C-Bügels der Halter 4 angeordnet, zwischen dessen Anlagefläche 6 und der Stirnseite 3 des oberen Endes 2 des C-Bügels die Zwischenlage 22 eingefügt ist. Der Halter 4 weist analog zum Halter 4 in Figuren 2, 3 und 4 U-förmige Anlageflächen 6, 7 auf. Die senkrecht zur Achse der Bohrung 5 angeordneten Anlageflächen 7 liegen im montierten Zustand auf den oberen und unteren Stirnflächen 33 auf, die mittels einer Stufe von den übrigen Bereichen des einen Endes 2 des C-Bügels abgesetzt sind. Um das Verrutschen der Zwischenlage 22 in Bezug auf den Halter 4 zu verhindern, weisen die Zwischenlage 22 und (nicht dargestellt) die Anlageflächen 6 des Halters 4 sowie die vordere Stirnseite 3 des Endes 2 je eine Ausnehmung 21 oder einen Schlitz auf, in die eine Passfeder 23 einlegt wird. Hierbei liegen die Ausnehmungen 21 in der Zwischenlage 22, in der Anlagefläche 6 und in der Stirnseite 3 des Halters 4 übereinander. Der Halter 4 und die Zwischenlage 22 sind analog zum Ausführungsbeispiel nach Figuren 2, 3 und 4 mittels Schrauben 19 an dem oberen Ende 2 des C-Bügels lösbar befestigt. Die in Figur 5a abgebildete Passfeder 23 weist einen rechteckigen Querschnitt auf.In FIG. 5a is arranged in a further embodiment of the invention at the end 2 of the C-bracket of the holder 4, between the contact surface 6 and the end face 3 of the upper end 2 of the C-bracket, the intermediate layer 22 is inserted. The holder 4 has analogous to the holder 4 in Figures 2 . 3 and 4 U-shaped contact surfaces 6, 7 on. The perpendicular to the axis of the bore. 5 arranged contact surfaces 7 are in the assembled state on the upper and lower end surfaces 33, which are offset by means of a step of the remaining areas of the one end 2 of the C-bracket. In order to prevent slippage of the intermediate layer 22 with respect to the holder 4, the intermediate layer 22 and (not shown), the contact surfaces 6 of the holder 4 and the front end face 3 of the end 2 each have a recess 21 or a slot into which a Key 23 is inserted. Here are the recesses 21 in the intermediate layer 22, in the contact surface 6 and in the end face 3 of the holder 4 above the other. The holder 4 and the intermediate layer 22 are analogous to the embodiment according to Figures 2 . 3 and 4 releasably secured by screws 19 at the upper end 2 of the C-bracket. In the FIG. 5a Pictured key 23 has a rectangular cross-section.

In Figur 5c ist ein weiteres Ausführungsbeispiel für eine Passfeder 23' gezeigt, die mit Stufen versehen ist, die entlang der Längsrichtung der Passfeder angeordnet sind. Hierdurch ist der Ausgleich eines Versatzes zwischen den Ausnehmungen 21 in der vorderen Stirnseite 3 und in der Anlagefläche 6 und ggf. der Zwischenlage 22 in y-Richtung möglich.In FIG. 5c is a further embodiment of a key 23 'shown, which is provided with steps which are arranged along the longitudinal direction of the key. As a result, the compensation of an offset between the recesses 21 in the front end face 3 and in the contact surface 6 and possibly the intermediate layer 22 in the y direction is possible.

In Figur 5b ist zu erkennen, dass die Anlageflächen 7 zur Abstützung der Gegenkraft auf den mit einer Stufe vom übrigen Teil des Endes 2 des C-Bügels getrennten Stirnflächen 33 angeordnet sind.In FIG. 5b It can be seen that the contact surfaces 7 are arranged to support the reaction force on the separated with a step from the remaining part of the end 2 of the C-bracket end surfaces 33.

Figur 6 zeigt ein weiteres Ausführungsbeispiel der Erfindung mit einem Halter 24 und dem einen Ende 2 des C-Bügels. Der Halter 24, der an der Stirnfläche 3 des oberen Endes 2 des C-Bügels angeordnet ist, hat die Form eines Zylinders mit stielartigem Fortsatz. Im Zylinder ist die durchgehende Bohrung 5 zur Aufnahme des Stempelwerkzeugs angeordnet. Am Ende des Fortsatzes weist der Halter 24 eine Anlagefläche 6 auf, die parallel zur Achse der Bohrung 5 verläuft. Analog zu den Ausführungsbeispielen nach Figuren 2 bis 5 kann zwischen Anlagefläche 6 und Stirnfläche 3 eine Zwischenlage (hier nicht dargestellt) angeordnet werden. FIG. 6 shows a further embodiment of the invention with a holder 24 and the one end 2 of the C-bracket. The holder 24, which is arranged on the end face 3 of the upper end 2 of the C-bracket, has the shape of a cylinder with a stalk-like extension. In the cylinder, the through hole 5 is arranged for receiving the punch tool. At the end of the extension, the holder 24 has a contact surface 6 which runs parallel to the axis of the bore 5. Analogous to the embodiments according to FIGS. 2 to 5 can be arranged between the contact surface 6 and end face 3 an intermediate layer (not shown here).

Die Stufenbohrungen 18 zur Aufnahme der Befestigungselemente (Schrauben 19) befinden sich am stielartigen, die Anlagefläche 6 ausbildenden Bereich des zylinderförmigen Halterteils. In Figur 6b ist der Bereich einer oberen Stufenbohrung 18 und der Bereich der zugehörigen, in der Stirnfläche angeordneten Gewindebohrung ausgeschnitten dargestellt. Die Schraube 19 ist versenkt in der Stufenbohrung 18 angeordnet und greift mit ihrem Gewinde in das Gewinde der Gewindebohrung in der Stirnfläche 3. Zum Anordnen der Schraube 19 in der Stufenbohrung 18 sind in der der Stufenbohrung 18 gegenüber liegenden Seite des zylinderförmigen Abschnitts des Halters 24 Bohrungen 18' vorgesehen, die zum Hindurchstecken der Schrauben 19 in Richtung Stufenbohrung 18 dienen.The stepped bores 18 for receiving the fastening elements (screws 19) are located on the stalk-like, the contact surface 6 forming region of the cylindrical holder part. In FIG. 6b is the area of an upper one Stepped bore 18 and the region of the associated, arranged in the end face threaded hole cut shown. The screw 19 is sunk in the stepped bore 18 and engages with its thread in the thread of the threaded hole in the end face 3. To arrange the screw 19 in the stepped bore 18 are in the stepped bore 18 opposite side of the cylindrical portion of the holder 24 holes 18 'are provided, which serve to pass through the screws 19 in the direction of the stepped bore 18.

Anhand von Figur 7a bis Figur 7c wird ein weiteres Ausführungsbeispiel erläutert, von welchem das eine Ende 2 des C-Bügels und der Halters 34 dargestellt ist. Der zylindrische Teil des Halters mit Bohrung 5 weist einen Fortsatz auf, der eine Anlagefläche 6 parallel zur Achse der Bohrung 5 und eine hierzu senkrecht verlaufende Anlagefläche 7 aufweist. Entsprechend sind die Stirnflächen 3 und 33 des oberen Endes 2 des C-Bügels 1 senkrecht aufeinander stehend ausgebildet. In diesem Ausführungsbeispiel befinden sich die Bohrungen 18 für die Aufnahme der Befestigungselemente auf der der Anlagefläche 7 gegenüber liegenden Seite des Halterfortsatzes. Dies ist in Figur 7a deutlich zu erkennen. In der Zeichnung nicht dargestellt sind die dünnen Zwischenlagen, die zwischen Anlagefläche 6 und Stirnseite 3 und/oder Anlagefläche 7 und Stirnfläche 33 zur Justierung des Halters 34 in Richtung der x-Achse und/oder der y-Achse und/oder der z-Achse angeordnet sind.Based on Figure 7a to Figure 7c another embodiment is explained, of which one end 2 of the C-bracket and the holder 34 is shown. The cylindrical part of the holder with bore 5 has an extension, which has a contact surface 6 parallel to the axis of the bore 5 and a perpendicular thereto bearing surface 7. Accordingly, the end faces 3 and 33 of the upper end 2 of the C-bracket 1 are formed perpendicular to each other. In this embodiment, the holes 18 for receiving the fasteners are on the contact surface 7 opposite side of the holder extension. This is in Figure 7a clearly visible. Not shown in the drawing, the thin intermediate layers between the contact surface 6 and end face 3 and / or contact surface 7 and end face 33 for adjusting the holder 34 in the direction of the x-axis and / or the y-axis and / or the z-axis are arranged.

In Figur 8 ist ein weiteres Ausführungsbeispiel der Erfindung dargestellt. In diesem Fall ist der Halter 44 mit U-förmig angeordneten Anlageflächen 47 und 6 versehen, die sämtlich parallel zur Achse der Bohrung 5 verlaufen, wobei die parallelen Anlageflächen 47 und die Anlagefläche 6 senkrecht aufeinander stehen. Der Halter 44 umfasst das stirnseitige Ende 2 des C-Bügels mit den entsprechenden seitlichen Stirnflächen 43 und liegt mit der zu diesen senkrecht stehenden Stirnfläche 3 an der Anlagefläche 6 an. Die Bohrungen 18 für die lösbare Befestigung des Halters 44 am Ende 2 des C-Bügels sind in den die Anlageflächen 47 ausbildenden Schenkeln des Halters 44 und dem dazwischen liegenden Ende 2 angeordnet.In FIG. 8 another embodiment of the invention is shown. In this case, the holder 44 is provided with U-shaped arranged contact surfaces 47 and 6, all of which are parallel to the axis of the bore 5, wherein the parallel bearing surfaces 47 and the abutment surface 6 are perpendicular to each other. The holder 44 comprises the front end 2 of the C-bracket with the corresponding lateral end faces 43 and is located with the perpendicular to this end face 3 on the contact surface 6 at. The holes 18 for the releasable attachment of the holder 44 at the end 2 of the C-bracket are arranged in the abutment surfaces 47 forming legs of the holder 44 and the intermediate end 2.

Figur 9 zeigt ein weiteres Ausführungsbeispiel der Erfindung, mit einer seitlichen Anlagefläche 47 und zwei hierzu senkrecht angeordneten Anlageflächen 6 am Halter 54 und entsprechenden Stirnseiten 3 am einen Ende 2 des C-Bügels. Die beiden Anlageflächen 6 und die entsprechenden Stirnflächen 3 liegen in x-Richtung versetzt und sind durch eine seitliche Anlagefläche 47 oder eine seitliche Stirnfläche 43 voneinander getrennt. Im Vergleich zu Figur 8 ist die seitliche Anlagefläche 47 und entsprechend die seitliche Stirnfläche 43 nur einmal vorgesehen. Auch in diesem Fall erfolgt die Befestigung des Halters 54 am oberen Ende 2 des C-Bügels 1 mittels Bohrungen 18. Die Bohrungen sind in dem Fortsatz oder Schenkel des Halters 54 angeordnet, der die Anlagefläche 47 ausbildet. FIG. 9 shows a further embodiment of the invention, with a lateral contact surface 47 and two arranged perpendicular thereto Contact surfaces 6 on the holder 54 and corresponding end faces 3 at one end 2 of the C-bracket. The two contact surfaces 6 and the corresponding end faces 3 are offset in the x direction and are separated from one another by a lateral contact surface 47 or a lateral end surface 43. Compared to FIG. 8 is the lateral abutment surface 47 and accordingly the lateral end face 43 provided only once. Also in this case, the attachment of the holder 54 takes place at the upper end 2 of the C-bracket 1 by means of holes 18. The holes are arranged in the extension or leg of the holder 54, which forms the contact surface 47.

In den Anhand von Figuren 8 und 9 erläuterten Ausführungsbeispielen sind dünne Zwischenlagen (nicht dargestellt) zwischen Anlagefläche 47 und seitliche Stirnfläche 43 und/oder Anlagefläche 6 und Stirnfläche 3 angeordnet, welche eine Justierung des Halters 44 bzw. 54 zum Einstellen der Koaxialität ermöglichen. Zur Entlastung der Schraubenverbindung der Ausführungsbeispiele nach Figur 8 oder 9 kann eine Nut-Feder-Verbindung vorgesehen sein.In the light of FIGS. 8 and 9 illustrated embodiments, thin intermediate layers (not shown) between contact surface 47 and lateral end face 43 and / or abutment surface 6 and end face 3 are arranged, which allow an adjustment of the holder 44 or 54 for adjusting the coaxiality. To relieve the screw connection of the embodiments according to FIG. 8 or 9 may be provided a tongue and groove connection.

Ein weiteres Ausführungsbeispiel der Erfindung ist der Figur 10 zu entnehmen. Die Figuren zeigen das eine Ende 2 des C-Bügels und den Halter 64, der an der ebenen Stirnfläche 3 des C-Bügels angeordnet ist. Die Stirnfläche 3 des C-Bügels verläuft parallel zur Achse der Bewegung des Stempels bzw. der Halterbohrung 5. Der Halter 64 ist prismenförmig mit einer achteckigen Grundfläche ausgebildet. Der Halter 64 weist eine durchgehende Bohrung 5 auf, die zur Aufnahme des Stempelwerkzeuges dient. Die Bohrung 5 ist so ausgebildet, dass sie nicht konzentrisch zur Achse des achteckigen Prismas verläuft und/oder nicht mit dieser Achse zusammenfällt. In einem weiteren Ausführungsbeispiel ist das Prisma nicht kreissymmetrisch ausgebildet ist, so dass für das Prisma keine Achse festgelegt werden kann. Die Abweichungen, d.h. der Winkel zwischen Prismenachse und Bohrungsachse oder die Abweichungen von der Kreissymmetrie sind sehr gering. Hierdurch weist die Bohrung zu mindestens zwei verschiedenen, vorzugsweise allen ebenen Anlageflächen 6, die gleichzeitig Seitenflächen des Halters 64 sind, einen anderen Abstand und/oder eine andere Neigung auf. Alle Anlageflächen 6 bilden den Mantel des Prismas aus. Der Halter 64 kann mit jeder einzelnen der Anlageflächen 6 an der Stirnfläche 3 entsprechend der benötigten Neigung der Bohrungsachse und/oder jeweils dem benötigten Abstand der Bohrungsachse von der Stirnfläche 3 in Richtung der x-Achse und/oder der y-Achse und/oder der z-Achse angeordnet werden, so dass eine besonders einfache Justierung des Halters und damit des Stempelwerkzeuges oder des Gegenwerkzeuges möglich ist.Another embodiment of the invention is the FIG. 10 refer to. The figures show the one end 2 of the C-bracket and the holder 64, which is arranged on the flat end face 3 of the C-bracket. The end face 3 of the C-bracket extends parallel to the axis of movement of the punch or the holder bore 5. The holder 64 is prism-shaped with an octagonal base. The holder 64 has a through hole 5, which serves to receive the punch tool. The bore 5 is formed so that it is not concentric with the axis of the octagonal prism and / or does not coincide with this axis. In a further embodiment, the prism is not circularly symmetrical, so that no axis can be defined for the prism. The deviations, ie the angle between the prism axis and the bore axis or the deviations from the circular symmetry are very small. In this way, the bore to at least two different, preferably all flat contact surfaces 6, which are also side surfaces of the holder 64, a different distance and / or a different inclination. All abutment surfaces 6 form the mantle of the prism. The holder 64 can with each of the contact surfaces 6 on the end face 3 according to the required inclination of Bore axis and / or in each case the required distance of the bore axis of the end face 3 in the direction of the x-axis and / or the y-axis and / or the z-axis are arranged so that a particularly simple adjustment of the holder and thus the punch tool or the counter tool is possible.

In einem bevorzugten Ausführungsbeispiel weist das Ende 2 des C-Bügels am stirnseitigen Ende einen plattenförmigen Abschnitt 62 auf, der im Wesentlichen quaderförmig ausgebildet ist und der an dem Halter 64 zugewandten, ebenen Seite die Stirnfläche 3 zur Befestigung des Halters ausbildet. Diese Stirnfläche 3 ist gleichzeitig die größte Fläche des Quaders und dient der besseren Befestigung des Halters 64 an der Stirnfläche 3.In a preferred embodiment, the end 2 of the C-bracket at the front end to a plate-shaped portion 62 which is formed substantially cuboid and the holder 64 facing, planar side of the end face 3 for mounting the holder forms. This end face 3 is at the same time the largest surface of the cuboid and serves for better attachment of the holder 64 on the end face third

Die Bohrungen 18 für die lösbare Befestigung des Halters 64 sind an jeder Anlagefläche 6 vorhanden, wobei in einem bevorzugten Ausführungsbeispiel analog zu dem Ausführungsbeispiel nach Figur 6 auf der gegenüber liegenden Seite des Prismas durchgehende Öffnungen vorhanden sein können, durch die die Schrauben beim Befestigen des Halters 64 an der Stirnfläche 3 hindurch gesteckt werden. Hierbei sind die Bohrungen 18 derart symmetrisch vorgesehen, dass bei einer Drehung des Prismas um 180°um die x-Achse, die senkrecht zur Achse der Bohrung 5 steht, das Prisma ebenfalls an der Stirnfläche 3 befestigt werden kann.The holes 18 for the releasable attachment of the holder 64 are present on each contact surface 6, wherein in a preferred embodiment, analogous to the embodiment according to FIG. 6 On the opposite side of the prism through openings may be present, through which the screws are stuck when attaching the holder 64 to the end face 3 therethrough. In this case, the bores 18 are provided symmetrically such that when the prism is rotated by 180 ° about the x-axis, which is perpendicular to the axis of the bore 5, the prism can also be fastened to the end face 3.

Als Alternative zu den ebenen Seitenflächen des Halters 64 können in einem weiteren Ausführungsbeispiel (nicht dargestellt) die Seitenflächen Kerben und entsprechend die Stirnfläche 3 Nasen aufweisen, wobei bei der Befestigung des Halters am Ende des C-Bügels die Nase der Stirnfläche in die Kerbe einer Seitenfläche eingreift.As an alternative to the flat side surfaces of the holder 64, in a further embodiment (not shown) the side surfaces may have notches and correspondingly the end surface 3 lugs, wherein when mounting the holder at the end of the C-bracket, the nose of the end face into the notch of a side surface intervenes.

In einem weiteren Ausführungsbeispiel kann das Prismas des Halters 64 auch andere Grundflächen, beispielsweise ein Dreieck, Quadrat oder Sechseck, aufweisen.In a further embodiment, the prism of the holder 64 may also have other base surfaces, for example a triangle, square or hexagon.

Ein weiteres Ausführungsbeispiel der Erfindung kann darin bestehen, dass einer der vorstehend beschriebenen Halter gleichzeitig das Gehäuse des Stempelwerkzeugs bildet.Another embodiment of the invention may be that one of the holders described above simultaneously forms the housing of the stamping tool.

Claims (12)

  1. Joining apparatus having a ram tool (8) and a countertool (25) and a holder (4, 24, 34, 44, 54) having an opening (5) to accommodate the ram tool or the countertool, the two tools being oriented coaxial with each other at different ends (2, 9) of a C-bracket (1), wherein the holder comprises at least one plane contact surface (6, 7, 47) arranged on the outside surface of the holder, which contact surface can be in contact with at least one plane end face (3, 33, 43) of the corresponding end of the C-bracket and the holder is detachably fastened to said end face, characterized in that at least one interlay (17, 22) is arranged between the contact surface and the end face, determining the inclination and/or the distance of the contact surface from the end face.
  2. Joining apparatus having a ram tool (8) and a countertool (25) and a holder (64) having an opening (5) to accommodate the ram tool or the countertool, the two tools being oriented coaxial with each other at different ends (2, 9) of a C-bracket (1), characterized in that one or more contact surfaces (6) arranged on the outer surface of the holder are in contact with a plane end face (3) of the corresponding end of the C-bracket and detachably fastened to said end face, the axis of the opening having different distances and/or inclinations with respect to each contact surface.
  3. Joining apparatus according to claim 1, characterized in that the interlay comprises two plane surfaces, one neighboring upon the contact and the other upon the end face.
  4. Joining apparatus according to claim 3, characterized in that the interlay is configured wedge-shaped.
  5. Joining apparatus according to any of claims 1, 3 and 4, characterized in that the holder comprises two contact surfaces arranged at right angles to each other.
  6. Joining apparatus according to any of claims 1, 3 and 4, characterized in that the contact surfaces of the holder are formed by the inner surfaces (6, 7) of a U-shaped element.
  7. Joining apparatus according to any of claims 1 and 3 to 6, characterized in that the contact surface and the bores (18) for attachment of the holder to the C-bracket are arranged symmetrically in the holder and the receiving body (12) with the opening (5) eccentrically, so that according to the rotation of the holder, two length adjustments with respect to the distance of the lower end of the receiving body from the upper end of the countertool are realizable.
  8. Joining apparatus according to claim 2, characterized in that the contact surfaces more or less form an envelope of a prism having a triangular or polygonal base.
  9. Joining apparatus according to any of claims 1 to 8, characterized in that the opening (5) is a through opening of cylindrical configuration.
  10. Joining apparatus according to any of claims 1 to 9, characterized in that the holder is detachably fastened by means of screws (19) to the at least one end face of the corresponding end of the C-bracket.
  11. Joining apparatus according to any of claims 1 to 10, characterized in that the holder and the corresponding end of the Bracket are of such configuration that the axis of the opening is rotatable through 180°, the course of the axis after the rotation corresponding essentially to the course of the axis before the rotation.
  12. Joining apparatus according to any of claims 1 to 11, characterized in that the end face and the contact surface and the interlay each comprise a recess (21) intended to accommodate a fitting key (23), where in case of use of a non-stepped fitting key, the recesses are aligned with each other in installed condition and in case of use of a stepped fitting key, the recesses of the end face and of the contact surface are offset from each other.
EP05707134.2A 2004-02-05 2005-02-02 Joining apparatus Ceased EP1711288B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410005884 DE102004005884B4 (en) 2004-02-05 2004-02-05 Joining device with a punch tool and a counter tool and a holder
PCT/EP2005/001002 WO2005075126A1 (en) 2004-02-05 2005-02-02 Joining device

Publications (3)

Publication Number Publication Date
EP1711288A1 EP1711288A1 (en) 2006-10-18
EP1711288B1 true EP1711288B1 (en) 2014-04-09
EP1711288B2 EP1711288B2 (en) 2018-02-28

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EP05707134.2A Ceased EP1711288B2 (en) 2004-02-05 2005-02-02 Joining apparatus

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US (5) US8151454B2 (en)
EP (1) EP1711288B2 (en)
JP (1) JP2007520358A (en)
DE (1) DE102004005884B4 (en)
WO (1) WO2005075126A1 (en)

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Also Published As

Publication number Publication date
JP2007520358A (en) 2007-07-26
US10512966B2 (en) 2019-12-24
US8555490B2 (en) 2013-10-15
DE102004005884A1 (en) 2005-08-25
WO2005075126A1 (en) 2005-08-18
DE102004005884B4 (en) 2012-03-29
EP1711288A1 (en) 2006-10-18
US20150224564A1 (en) 2015-08-13
US8151454B2 (en) 2012-04-10
US20070034662A1 (en) 2007-02-15
US20120159776A1 (en) 2012-06-28
US20140007424A1 (en) 2014-01-09
EP1711288B2 (en) 2018-02-28
US9050648B2 (en) 2015-06-09
US9649683B2 (en) 2017-05-16
US20170246676A1 (en) 2017-08-31

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