WO2021023540A1 - Outils auxiliaires destinés à la fixation d'un composant pour assemblage par liaison d'un seul tenant, utilisation de ceux-ci et procédés de fixation d'un composant pour assemblage par liaison d'un seul tenant - Google Patents

Outils auxiliaires destinés à la fixation d'un composant pour assemblage par liaison d'un seul tenant, utilisation de ceux-ci et procédés de fixation d'un composant pour assemblage par liaison d'un seul tenant Download PDF

Info

Publication number
WO2021023540A1
WO2021023540A1 PCT/EP2020/071085 EP2020071085W WO2021023540A1 WO 2021023540 A1 WO2021023540 A1 WO 2021023540A1 EP 2020071085 W EP2020071085 W EP 2020071085W WO 2021023540 A1 WO2021023540 A1 WO 2021023540A1
Authority
WO
WIPO (PCT)
Prior art keywords
cushion elements
component
auxiliary tool
cushion
frame element
Prior art date
Application number
PCT/EP2020/071085
Other languages
German (de)
English (en)
Inventor
Oliver Scharkowski
Original Assignee
Auto-Kabel Management Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Auto-Kabel Management Gmbh filed Critical Auto-Kabel Management Gmbh
Publication of WO2021023540A1 publication Critical patent/WO2021023540A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/26—Auxiliary equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work

Definitions

  • the invention relates to auxiliary tools for fixing a component for integral joining and to their use.
  • the invention also relates to a method for fixing a component for material-locking joining.
  • the assembly For ultrasonic welding of an assembly, for example for welding a connection element to a flat conductor or busbar assembly, the assembly is typically firmly clamped so that the area of the assembly to be joined is arranged in the area of the ultrasonic welding device.
  • auxiliary tools made of vibration-absorbing hard materials are used in the prior art to fix the assembly.
  • the present invention is based on the object of providing auxiliary tools for fixing a component for integral joining, their use and methods for fixing a component for integral joining, with which the above-described problems from the prior art are reduced or can even be fixed.
  • this object is achieved according to the invention by an auxiliary tool for fixing a component for integral joining with a rigid frame element, with one or more flexible cushion elements arranged on one side of the rigid frame element, in particular for direct or indirect contact with a component to be fixed, and with a line system which is designed to fill the one or more cushion elements with a pressurized fluid.
  • auxiliary tool is made available which enables components to be fixed in place in a vibration-damping manner.
  • Fluids such as gases or liquids have very high vibration-absorbing properties, so that cushion elements filled with such a fluid are well suited for the vibration damping of components attached to them.
  • a component is understood to mean not only individual components but also related assemblies.
  • the auxiliary tool according to the first teaching has a rigid frame element.
  • the rigid frame element serves as a carrier for the one or more cushion elements and is preferably designed so rigidly that it holds the one or more cushion elements in position upon contact with a component.
  • the frame element can in particular be designed in sheet metal form.
  • the auxiliary tool according to the first teaching also has one or more flexible cushion elements arranged on one side of the rigid frame element (front side).
  • the one or more cushion elements each have in particular a cushion cover which surrounds an inner space which can be filled with a pressurized fluid via the line system.
  • the inner space can also be limited in sections by the frame element.
  • the one or more cushion elements are flexible, so that the one or more cushion elements when filled with pressurized fluid, preferably essentially perpendicular to the local plane of the frame element, can deform and / or expand. In this way, a component resting against the one or more cushion elements can be fixed by the one or more cushion elements.
  • the one or more cushion elements can be glued or welded to the frame element, for example.
  • the one or more cushion elements serve in particular to rest against a component to be fixed.
  • the contact with the component or the contact with the component can take place directly, so that the one or more cushion elements directly touch the component to be fixed.
  • the contact with the component or the contact with the component can also take place indirectly if a further intermediate element is arranged between the one or more cushion elements and the component to be fixed.
  • the intermediate element can be, for example, an elastic element, for example made of foam.
  • a protective layer for example a fiberglass mesh, can be arranged as an intermediate element between the one or more cushion elements and the component to be fixed.
  • the auxiliary tool preferably has a plurality of cushion elements arranged next to one another, which can further preferably be filled with a pressurized fluid independently of one another via the line system.
  • an auxiliary tool is provided which can be individually adapted for differently shaped components by, for example, filling those cushion elements in the area of which the component is arranged.
  • the auxiliary tool preferably has at least nine, more preferably at least sixteen cushion elements. The higher the number of The more uniformly and precisely the differently shaped components can be fixed in place.
  • cushion elements are preferably arranged in a regular pattern, for example in regular columns and / or rows.
  • the auxiliary tool according to the first teaching furthermore has a line system which is designed for filling the one or more cushion elements with a pressurized fluid.
  • the line system comprises at least one, preferably several feed lines with which fluid can be introduced into the one or more cushion elements.
  • the line system is preferably arranged on the side of the frame element (rear side) facing away from the one or more cushion elements in order not to hinder the installation of components on the one or more cushion elements.
  • one or more openings can be provided in the frame element through which a pressurized fluid can be introduced from the rear into the one or more cushion elements on the front.
  • the fluid can in particular be a gas, for example air, or a liquid, for example water.
  • an auxiliary tool is also made available which enables components to be fixed in place in a vibration-damping manner.
  • a component is understood to mean not only individual components but also connected assemblies.
  • the auxiliary tool according to the second teaching has a rigid frame element.
  • the rigid frame element serves as a carrier for the one or more cushion elements and is preferably designed so rigidly that it holds the one or more cushion elements in position upon contact with a component.
  • the frame element can in particular be designed in sheet form.
  • the auxiliary tool according to the second teaching furthermore has one or more flexible cushion elements arranged on one side of the rigid frame element (front side).
  • the one or more cushion elements each have, in particular, a cushion cover which surrounds an inner space which is filled with a powder.
  • the inner space can also be limited in sections by the frame element.
  • the powder is preferably a large number of particles with a diameter of less than 0.01 mm.
  • the one or more cushion elements are flexible, so that the one or more cushion elements can deform when the air is sucked out.
  • the one or more cushion elements can be glued or welded to the frame element, for example.
  • the one or more cushion elements serve in particular to rest against a component to be fixed.
  • the abutment or contact can take place directly, so that the one or more cushion elements directly touch the component to be fixed.
  • the abutment or the contact can also take place indirectly if a further intermediate element is arranged between the one or more cushion elements and the component to be fixed.
  • the intermediate element can be, for example, an elastic element, for example made of foam.
  • a protective layer for example a fiberglass mesh, can be arranged as an intermediate element between the one or more cushion elements and the component to be fixed.
  • the auxiliary tool preferably has a plurality of cushion elements arranged next to one another, from which air can further preferably be sucked out independently of one another via the line system.
  • an auxiliary tool is provided that can be individually adapted for differently shaped components in that air is sucked out of those cushion elements in whose area the component is arranged.
  • the auxiliary tool preferably has at least nine, more preferably at least sixteen, cushion elements. The higher the number of cushion elements, the more evenly and precisely differently shaped components can be fixed.
  • cushion elements are preferably arranged in a regular pattern, for example in regular columns and / or rows.
  • the auxiliary tool according to the second teaching furthermore has a line system which is designed to suck air from the one or more cushion elements, the powder remaining in the cushion elements.
  • the line system comprises at least one, preferably several supply lines with which air can be sucked out of the one or more cushion elements.
  • the line system is preferably arranged on the side of the frame element (rear side) facing away from the one or more cushion elements in order not to hinder the installation of components on the one or more cushion elements.
  • one or more openings can be provided in the frame element, through which air can be sucked out of the one or more cushion elements on the front side.
  • the powder contained in the one or more cushion elements compacts and thereby brings about an adaptation of the cushion element shape to an adjacent component.
  • a component can be fixed in a form-fitting manner by the one or more cushion elements.
  • the powder remains in the one or more cushion elements during suction.
  • one or more membranes are preferably provided on the one or more feed lines for suction, which are air-permeable but retain the powder.
  • the cushion cover (s) of the one or more cushion elements are preferably air-permeable, so that air can flow into the one or more cushion elements during suction. In this way, better vibration damping can be achieved.
  • the line system has one or more supply lines for filling individual cushion elements or groups of cushion elements. In this way, individual cushion elements or groups of cushion elements can be filled in a targeted manner. This enables the auxiliary tool to be better adapted to different component geometries.
  • the line system can in particular have feed lines for the targeted filling of each individual cushion element. Furthermore, the line system can also have feed lines for the targeted filling of a group of cushion elements. Such a supply line can, for example, branch and lead to several cushion elements.
  • the line system preferably has a feed line for each cushion element, so that each cushion element can be selectively filled.
  • the frame element on the rear side can have a respective opening for each cushion element with a feed line connected to it for the targeted introduction of a pressurized fluid into the respective cushion element. This enables the auxiliary tool to be highly adaptable to different component geometries.
  • the line system is further designed for emptying one or more cushion elements filled with fluid. In this way, a component fixed with the auxiliary tool can be released again.
  • the feed lines of the line system for filling the one or more cushion elements can, for example, also be designed to be suitable for emptying the one or more cushion elements.
  • the line system can also have separate one or more lines for emptying the one or more cushion elements. In particular, it can
  • Frame element have corresponding one or more openings to the one or more cushion elements, to which separate one or more lines for emptying the one or more cushion elements are connected.
  • one or more connections for level monitoring of the one or more several cushion elements can be provided, for example for a pressure sensor.
  • a fill level sensor for example a pressure sensor, can be integrated into or connected to the line system and / or the one or more cushion elements.
  • the auxiliary tool further comprises a filling device which is set up to fill the one or more cushion elements with a pressurized fluid via the line system.
  • the filling device can in particular have a hydraulic or pneumatic system for pressurizing the one or more cushion elements with fluid.
  • the filling device is preferably set up to fill the fluid into the one or more cushion elements with an excess pressure of at least 1 bar, preferably at least 3 bar. In this way, the one or more cushion elements produce a sufficiently high contact pressure for the secure fixation of a component.
  • the filling device is set up in particular to selectively fill individual cushion elements or groups of cushion elements.
  • those one or more cushion elements that are in contact with the component to be fixed can be specifically filled with fluid.
  • the auxiliary tool can be specifically adapted to the geometry of the component to be fixed.
  • the number of cushion elements to be filled is reduced in this way, as a result of which the total pressure required for filling becomes lower or higher pressures are available for the one or more cushion elements to be filled.
  • valves controlled by the filling device can be provided, with which a fluid flow through the line system to the cushion elements can be regulated.
  • the filling device is preferably set up to fill one or more cushion elements, in particular a predetermined selection of one or more cushion elements, upon receipt of a corresponding control signal, for example upon receipt of a corresponding user input via a user interface.
  • the filling device is set up to fill one or more cushion elements selected in advance with a fluid.
  • the auxiliary tool can be specifically adapted to the component to be fixed.
  • the filling device can be set up, for example, to fill one or more cushion elements with a fluid, selected in advance via one or more control signals.
  • the control signal can, for example, be a user input via a user interface, via which the user can select, for example, individual cushion elements or predefined groups of cushion elements. This enables the user to easily adapt the auxiliary tool to the component to be fixed.
  • the filling device is designed to include one or more fluid-filled ones
  • the filling device is preferably set up to effect emptying upon receipt of a corresponding control signal, for example a user input via a user interface.
  • the filling device is set up to control the temperature, in particular to cool it, of the fluid passed into the one or more cushion elements. Fluids such as gases or liquids can easily be tempered, in particular cooled, and therefore allow the auxiliary tool and thus the fixed component to be tempered or cooled. In this way, during a joining process, in particular Ultrasonic welding, heat introduced into the component can be dissipated via the auxiliary tool.
  • the filling device preferably has a temperature control unit or a cooling unit, for example a through-flow cooler.
  • the one or more cushion elements are made of plastic, in particular fiber-reinforced plastic.
  • a mixture of nitrile and PVC (NP VC) or polyurethane (PU) is particularly suitable as the plastic.
  • the one or more cushion elements are preferably made of fiber-reinforced NPVC or fiber-reinforced PU. In this way, the one or more cushion elements have a high
  • the cushion elements can withstand the possibly high pressures of the fluid and the forces that occur when a component is fixed and do not fail prematurely.
  • the one or more cushion elements are coated with a heat-resistant material. In this way, damage to the one or more cushion elements by the heat introduced during the joining process, in particular ultrasonic welding, of a fixed component can be prevented.
  • the frame element consists of metal. In this way, sufficient rigidity of the frame element is achieved so that it bends only little or practically not at all when a component is fixed.
  • the frame element is shaped such that the one or more cushion elements arranged thereon lie in different planes.
  • a component to be fixed can be fixed from several sides.
  • the frame element is preferably shaped in such a way that at least two, preferably some of the cushion elements arranged thereon lie opposite one another.
  • this can Frame element can be U-shaped for this purpose, pillow elements lying opposite one another being arranged on the two legs of the U-shape, so that they can fix a component arranged between the pillow elements.
  • a cushion element extends over a correspondingly shaped frame element in such a way that the cushion element itself lies in several planes and preferably one part of the cushion element is opposite another part of the cushion element.
  • the frame element can furthermore also be designed in several parts, with preferably two parts of the frame element, on the respective front side of which one or more cushion elements are arranged, being connected via a hinge.
  • the two parts of the frame element connected via the hinge can preferably be folded together in such a way that the one or more cushion elements arranged on the respective front sides of the parts lie opposite one another.
  • a component in the folded-up arrangement of the frame element is surrounded on both sides by one or more cushion elements and can thereby be fixed on both sides.
  • a securing device for example with one or more clamps, is preferably provided which fix the parts of the frame element in the folded arrangement, preferably temporarily.
  • the frame element can preferably be brought into an unfolded arrangement around the hinge. This makes it easier to insert and remove a component.
  • a counter bearing for example a counter bearing made of an elastic material such as foam, rubber or cork
  • a second auxiliary tool can be used to fix a component.
  • these are preferably fastened relative to one another, for example in a common frame. In this way, it is ensured that the frame elements of the two auxiliary tools do not move when a component is fixed move apart.
  • One of the auxiliary tools can be designed to be movable, for example, so that the distance to the other auxiliary tool can be adjusted. This makes it easier to insert and remove a component between the two auxiliary tools.
  • the frame element and the one or more cushion elements are designed in such a way that the one or more cushion elements surround an area, which is essentially closed in a circumferential direction, for positioning a component to be fixed. In this way, a secure fixation can be achieved with differently shaped components.
  • the frame element can be designed, for example, in the form of a pipe section, on the inside of which one or more cushion elements are arranged in the circumferential direction, which surround a channel-shaped area for positioning a component to be fixed. To fix a component, it can be inserted into the channel-shaped area. If the one or more cushion elements are then filled with the pressurized fluid via the line system, then the one or more cushion elements expand in the direction of the channel-shaped area and thereby nestle against the component, preferably from essentially all sides in the circumferential direction so that this is fixed.
  • a system for fixing a component for integral joining with several of the auxiliary tools described here or embodiments thereof the auxiliary tools being arranged in relation to one another, in particular by a holding structure such as a scaffold that a component can be embedded and / or fixed between the respective one or more cushion elements of the plurality of auxiliary tools.
  • the multiple auxiliary tools can also share a common line system or a common filling device or suction device.
  • a common supply line of the line system can be provided for two opposite cushion elements. In this way, two opposing cushion elements of one or two auxiliary tools can be filled with fluid at the same time via a supply line or air can be pumped out of both opposing cushion elements via the supply line.
  • the auxiliary tool further comprises a suction device which is set up to suction air from the one or more cushion elements via the line system.
  • the suction device is set up in particular to suction air selectively from individual cushion elements or groups of cushion elements. In this way, for example, air can be specifically sucked out of those cushion elements that are in contact with the component to be fixed.
  • the auxiliary tool can be specifically adapted to the geometry of the component to be fixed.
  • valves controlled by the suction device can be provided, with which the air suctioned off via the line system can be regulated.
  • the suction device is preferably set up to suck air from the one or more cushion elements, in particular from a predetermined selection of cushion elements, upon receipt of a corresponding control signal, for example upon receipt of a corresponding user input via a user interface.
  • the suction device is set up to suction air from previously selected cushion elements.
  • the suction device can, for example, be set up to suction air from cushion elements selected in advance via one or more control signals.
  • the one or more control signals can be, for example, a user input via a user interface, via which the user can select, for example, individual cushion elements or predefined groups of cushion elements. This enables the user to easily adapt the auxiliary tool to the component to be fixed.
  • the above-mentioned object is further achieved according to the invention according to the first teaching by a method for fixing a component for integral joining, in which a component is embedded in one or more of the auxiliary tools described above according to the first teaching or an embodiment thereof and in which with the Component in contact one or more cushion elements are filled with a pressurized fluid, so that the component is fixed.
  • the component can also be embedded in several auxiliary tools of the system described above.
  • the above-mentioned object according to the second teaching is further achieved according to the invention by a method for fixing a component for integral joining, in which a component is embedded in one or more of the auxiliary tools described above according to the second teaching or an embodiment thereof and in which with air is extracted from one or more cushion elements in contact with the component.
  • the component can also be embedded in several auxiliary tools of the system described above.
  • the component of the method according to the first or second teaching can in particular be a flat conductor, in particular a busbar, or an assembly with a flat conductor, in particular a busbar.
  • the integral joining of the method according to the first or second teaching can in particular involve ultrasonic welding.
  • the component to be fixed is preferably positioned on the one or more cushion elements of the auxiliary tool before the one or more cushion elements are filled with fluid.
  • the component to be fixed is preferably positioned on the one or more cushion elements of the auxiliary tool before air is sucked out of the one or more cushion elements. In this way, a better adaptation of the one or more cushion elements to the component to be fixed can be achieved in each case.
  • the one or more cushion elements fix the component in a form-fitting manner.
  • a form fit increases not only the better fixation but also the vibration-absorbing properties of the individual one or more cushion elements.
  • the component is preferably fixed from at least two sides, in particular from all sides, by one or more cushion elements.
  • auxiliary tools or one auxiliary tool with one or more cushion elements in more than one plane can be used for this purpose. In this way, a secure fixation of the component with increased vibration damping can be achieved.
  • the fixed component is joined in a materially bonded manner, in particular ultrasonic welding.
  • auxiliary tool described above in accordance with the first or second teaching or an embodiment thereof or the system described above for fixing a component during material-to-material joining, in particular during ultrasonic welding.
  • the component to be fixed can in particular be a flat conductor, in particular a busbar, or an assembly with a flat conductor, in particular a busbar.
  • Fig. La-b an embodiment of the auxiliary tool according to the first teaching
  • Fig. 2a-b an embodiment of the use of the auxiliary tool from Fig. La-b
  • FIG. 3 shows a further exemplary embodiment of the auxiliary tool according to the first teaching and its use
  • FIG. 6a-b show a sectional view of the auxiliary tool from FIG. 5 when used for the first time in two different operating states
  • FIGS. 7a-b show a further sectional view of the auxiliary tool from FIG. 5 when used for a second time in two different operating states
  • FIGS. 8a-b show a further sectional view of the auxiliary tool from FIG. 5 when used for a third time in two different operating states
  • 9 shows a further exemplary embodiment of the auxiliary tool according to the first
  • Fig. 10a-b a sectional view of the auxiliary tool from Fig. 9 when used for the first time in two different operating states
  • FIGS. 11a-b show a further sectional view of the auxiliary tool from FIG. 9 in a second use in two different operating states.
  • Fig. La-b show an embodiment of the auxiliary tool according to the first teaching.
  • Fig. Lb shows a sectional view corresponding to the sectional plane designated in Fig. La with "1b".
  • the auxiliary tool 2 for fixing a component has a rigid, sheet-like frame element 6 made of metal.
  • On one side 8 of the frame element 6 (front side) is a plurality of flexible cushion elements 10.
  • the individual cushion elements 10 each have a cushion cover 12 made of a fiber-reinforced plastic, for example fiber-reinforced NPVC or fiber-reinforced polyurethane, and together with the frame element 6 enclose a respective inner space 14.
  • the frame element 6 has a recess 16 for each cushion element 10, wherein the cushion cover 12 of each cushion element 10 can be glued or welded, for example, to the respective side edge 18 of the recess 16, so that the cushion element 10 is firmly attached to the frame element 6 and are fluid-tight on the front side 8 of the frame element 6.
  • the frame element 6 can also be designed with a flat front side 8 without recesses 16 and the cushion elements 10 can be glued or welded directly to the flat front side 8.
  • the auxiliary tool 2 furthermore has a line system 20 with a number of lines 22 corresponding to the number of the cushion elements 10, which lead through openings 24 provided in the frame element into the cushion elements 10, so that a fluid, for example a gas or a liquid can be filled into the individual cushion elements 10 under pressure.
  • the auxiliary tool 2 has a filling device 26 which is set up to effect the filling of the individual cushion elements 10 with fluid via the lines 22.
  • the filling device 26 can, for example, have a pressure source 28 for pressurized fluid, for example a pneumatic or hydraulic system, as well as controllable valves 30 in order to conduct the pressurized fluid selectively via the respective lines 22 to the individual cushion elements 10.
  • the filling device 26 is preferably set up to suck the fluid filled into the cushion elements 10 again from the cushion elements 10 as required.
  • lines 22 are again used for this purpose. Instead, separate lines can also be provided for filling and emptying the cushion elements 10, one feed line and one each
  • Derivation leads through a respective opening in the frame element 6 into the individual cushion elements 10.
  • FIG. 2b shows a sectional view corresponding to the sectional plane designated by "IIb" in FIG. 2a.
  • the component 40 is an assembly with a flat conductor.
  • another auxiliary tool 2 'with an identical structure is used.
  • the auxiliary tool 2 ' is hidden for the sake of clarity.
  • the filling device 26 is hidden in FIG. 2b and the line systems 20, 20 'are shown by arrows.
  • the line system 20 'of the auxiliary tool 2' can also be connected to the filling device 26, so that the two auxiliary tools 2, 2 'share a filling device.
  • the positions of the frame elements 6, 6 'of the two auxiliary tools 2, 2' are fixed to one another, for example by a frame 42 in which the two auxiliary tools 2, 2 'are clamped.
  • the two auxiliary tools 2, 2 'and the frame 42 correspondingly form a system for fixing a component for integral joining.
  • the cushion elements 10, 10 ' are initially emptied and the component 40 is positioned between the two auxiliary tools 2, 2'.
  • the filling device 26 By means of a user input on the filling device 26, the user can select the cushion elements 10, 10 'of the auxiliary tools 2, 2' to be filled.
  • the filling device 26 (see FIG. 1b) then, if necessary after a further user input, opens the valves 30 (see FIG. 1b) of the selected cushion elements 10, 10 'or closes the valves 30 of the remaining cushion elements 10, 10' and activates the pressure source 28 (see FIG. 1b), so that a fluid under pressure is directed into the selected cushion elements 10, 10 ′ in a targeted manner.
  • the cushion elements 10, 10 'expand or deform so that the component 40 is fixed between the auxiliary tools 2, 2' securely and in a vibration-damping manner.
  • the cushion elements selected and filled with fluid are marked by symbols "x".
  • the component 40 is fixed in such a way that a region 44 of the component 40 to be joined is positioned on an anvil 46 of an ultrasonic welding device, so that the component 40 in the region 44 is brought into contact with a second component 48 and is ultrasonically welded by placing an ultrasonic head of the ultrasonic welding device can. Vibrations transmitted to the component 40 are damped by the cushion elements 10, 10 ′ in contact with the component 40.
  • the heat introduced into the component 40 during the ultrasonic welding process can be dissipated via the cushion elements 10, 10 ′.
  • the filling device 26 preferably has a cooling unit for cooling the fluid filled into the cushion elements 10, 10 '.
  • the previously filled cushion elements 10, 10 ' are emptied again, preferably by sucking or draining the fluid from the cushion elements 10, 10' again by the filling device 26.
  • the welded component 40 is released again so that it can be easily removed from the auxiliary tools 2, 2 '.
  • FIG. 3 shows a further exemplary embodiment of an auxiliary tool according to the first teaching in a sectional illustration.
  • the auxiliary tool 52 has a rigid frame element 54 in the form of a U-profile.
  • a flexible cushion element 64 is arranged on each of the opposite inner sides 56, 58 of the legs 60, 62.
  • a plurality of flexible cushion elements 64 arranged one behind the other and / or next to one another can also be arranged on the inner sides 56, 58.
  • each leg - similar to FIG. 1 a - has a matrix of cushion elements.
  • the inner sides 56, 58 of the legs 60, 62 form (together with the adjoining side of the web connecting the legs 60, 62) the front side of the frame element 54, which in the present case lies in several planes.
  • the auxiliary tool 52 further comprises a line system 66 (shown in FIG.
  • the cushion elements 64 can be filled with fluid via respective openings 68 in the frame element 54 or fluid can be drained or sucked out of the cushion elements 64.
  • the line system 66 is connected to a filling device (not shown) which can specifically apply fluid to the individual cushion elements 64 or suck fluid out of the cushion elements 64.
  • a component 70 With the auxiliary tool 52, it is positioned between the legs 60, 62 of the auxiliary tool 52 when the cushion elements 64 are empty. Then the filling device fills the cushion elements 64 with fluid so that they force the component 70 as shown in FIG. 3 - and preferably fix in a form-fitting manner. If, in an alternative exemplary embodiment, a plurality of cushion elements are each arranged on the legs 60, 62, one or more previously selected cushion elements of the plurality of cushion elements can preferably be filled with fluid by the filling device.
  • a component 70 fixed in this way with the auxiliary tool 52 can be ultrasonically welded analogously to FIG. 2a.
  • Cushion elements 64 an elastic protective element (not shown), for example a glass fiber fabric or a thin foam layer, can be arranged between the possibly sharp-edged component and one or more cushion elements 64.
  • a two-part frame element can also be used, the two parts of the frame element being connected to one another by a hinge.
  • a hinge (not shown) could be provided instead of the web of the U-profile connecting the two legs 60, 62.
  • the two legs 60, 62 would then correspond to the two parts of the frame element connected by means of a hinge.
  • the two parts of the frame element that is to say the legs 60, 62 in FIG. 3) can be folded apart for inserting and removing the component 70.
  • a securing device such as for example a clamp opposite the hinge, can be provided in this case.
  • Fig. 4 shows an embodiment of the auxiliary tool according to the second teaching in a sectional view.
  • the auxiliary tool 82 has a rigid frame element 84, on one side 86 (front side) of which a plurality of flexible cushion elements 88 are arranged, which are filled with a powder 90.
  • the cushion cover 92 of the cushion elements 88 is air-permeable.
  • only a single cushion element can be provided.
  • the auxiliary tool 82 also has a line system 94 (shown by arrows) with which air can be sucked out of the cushion elements 88 through openings 96 provided in the frame element 84. So that the powder 90 in the
  • the line system 94 is connected to a suction device (not shown) which is set up to suction the air from previously selected cushion elements 88.
  • a suction device not shown
  • the line system 94 is connected to a suction device (not shown) which is set up to suction the air from previously selected cushion elements 88.
  • the auxiliary tool 82 can, like the auxiliary tool 2 in FIG. Alternatively, like the auxiliary tool 52 in FIG. 3, the auxiliary tool 82 can also be designed with a U-shaped frame element 84.
  • a component is arranged between cushion elements 88 of one or more auxiliary tools 82, analogous to the structure in FIGS. 2 a-b or 3.
  • the cushion elements 88 preferably rest against the component under prestress, so that the cushion elements 88 deform in accordance with the contour of the component (analogous to the cushion elements 64 in FIG. 3).
  • the auxiliary tool 82 can partially or fully enclose the component to be damped with high surface pressure.
  • the component fixed in this way can then - analogously to FIG. 2a - be subjected to ultrasonic welding. Vibrations transmitted to the component are dampened by the cushion elements 88 filled with powder 90.
  • a component can also be fixed with a single auxiliary tool 82 with a flat frame element 84, in particular if this has a single cushion element 88.
  • the component is embedded in the cushion element so that the component is at least partially enclosed by the cushion element.
  • sucking the air out of the cushion element solidifies the powder and thus the shape of the cushion element, so that the component is securely fixed in the one cushion element.
  • the auxiliary tools according to the first or second teaching can be used to mount components for integral joining in a vibration-damping manner.
  • the auxiliary tools can be adapted to the partial area of the component to be joined to be fixed. This achieves a vibration-damping fixing that is independent of the component or assembly.
  • one, preferably several previously defined sub-areas of an assembly can be fixed and damped in a permanently secure and thus function-fulfilling manner.
  • the auxiliary tools according to the first or second teaching enable quick fixation and release of the components, since the cushion elements can be filled or emptied with fluid in a very short time or the suction of air from the cushion elements can be started and ended in a very short time.
  • FIG. 5 shows a further embodiment of the auxiliary tool according to the first teaching in a schematic plan view.
  • FIG. 6a also shows a sectional view of the auxiliary tool from FIG. 5 corresponding to the sectional plane designated by “VI” in FIG. 5.
  • the auxiliary tool 102 has a rigid frame element 104 with a tubular part 106, on the inside 107 of which a likewise tubular, flexible cushion element 108 is arranged, which surrounds a channel-shaped, circumferentially closed area 110 for positioning a component 112 to be fixed.
  • the tubular part 106 is arranged in FIG. 6a on a carrier part 113 of the frame element 104 for the secure positioning of the auxiliary tool 102.
  • the auxiliary tool 102 has a line system 114 with an inlet 116 for filling the cushion element 108 with a pressurized fluid, a Outlet 118 for draining the fluid from the cushion element 108 and with a connection 120 for level monitoring, for example a pressure sensor.
  • the inlet and outlet lines of the line system 114 are connected to the inlet and 116 and the outlet 118 (not shown).
  • FIG. 5 shows an example of the use of the auxiliary tool 102 to fix the component 112, which in the present case is a conductor 122 stripped at both ends, which is already welded to a connection element 124 at one end and using it at the other end of a joining tool 126 is to be welded to a further connection element 128.
  • FIG. 6 a shows the auxiliary tool 102, which is arranged in the region of the conductor 122 in which the conductor 122 is stripped and connected to the connection element 124.
  • the conductor 122 and the connection element 124 are inserted into the channel-shaped region 110.
  • the cushion element 108 expands and thereby reduces the cross section of the channel-shaped area 110 until the cushion element 108 rests against the component 112 and thereby fixes it.
  • FIG. 6b shows, in a representation corresponding to FIG. 6a, this operating state of the auxiliary tool 102 after the cushion element 108 has been filled.
  • the design of the frame element 104 and of the cushion element 108 allow the component 112 to be enclosed from practically all sides in the circumferential direction, whereby it can be securely fixed.
  • this configuration of the frame element 104 and the cushion element 108 has the advantage that differently shaped components 112 or component sections can be securely fixed.
  • FIG. 5 shows, in dashed lines, an alternative positioning 130 of the auxiliary tool 102 to the component 112, in which a central insulated section of the conductor 122 is arranged in the channel-shaped region 110.
  • Fig. 7a shows the corresponding
  • Cross section corresponding to the section plane designated "VII" in FIG. 5 7b shows, in a representation corresponding to FIG. 7a, the operating state of the auxiliary tool 102 in the positioning 130 shown in dashed lines in FIG. 5 after the cushion element 108 has been filled with fluid.
  • this cross-sectional shape, which is different from that of FIGS. 6a-b, of the component 112 arranged in the region 110 is also securely fixed in the auxiliary tool 102.
  • FIGS. 7a-b show a representation corresponding to FIGS. 7a-b when an insulated conductor 132 is fixed with a round cross section instead of the flat cross section as in FIGS. 7a-b.
  • This cross-sectional shape can also be securely fixed in the auxiliary tool 102.
  • FIG. 9 shows a further embodiment of the auxiliary tool according to the first teaching in a schematic plan view.
  • FIG. 10a also shows a sectional view of the auxiliary tool from FIG. 9 corresponding to the sectional plane designated by "X" in FIG. 9.
  • the auxiliary tool 142 has a rigid frame element 144 with a U-shaped part 146, on the opposite inner sides 147a-b of which two mutually opposite flexible cushion elements 148a and 148b are arranged, between which an area 150 for positioning a component 152 to be fixed is arranged.
  • the U-shaped part 146 is arranged lying on its side in FIG. 10 a on a carrier part 153 of the frame element 144 for the secure positioning of the auxiliary tool 142.
  • the auxiliary tool 142 has a line system 154 with an inlet 156 for filling the cushion elements 148a-b with a pressurized fluid, an outlet 158 for draining the fluid from the cushion elements 148a-b and with a connection 160 for level monitoring, for example a Pressure sensor.
  • the inlet and outlet lines of the line system 154 are connected to the inlet and 156 and the outlet 158 (not shown).
  • auxiliary tool 142 for fixing the component 152, which in the present case has a structure similar to that of the component 152 with a conductor 162 stripped at both ends, which is welded at one end to a connection element 164 and the other end below Using a joining tool 166 to be welded to a further connection element 168.
  • FIG. 10 a shows the auxiliary tool 142 which is arranged in the region of the conductor 162 at which the conductor 162 is connected to the connection element 164.
  • the conductor 162 and the connection element 164 are arranged in the area 150.
  • the cushion elements 148a-b expand and thereby reduce the height of the area 150 until the cushion elements 148a-b rest on the component 152 and thereby fix it
  • FIG. 10b shows this operating state of the auxiliary tool in a representation corresponding to FIG. 10a
  • the design of the frame element 104 and the cushion elements 148a-b allow the component 152 to be enclosed on two opposite sides, as a result of which it can be securely fixed. Different shaped components 152 or component sections can also be securely fixed with this auxiliary tool 142.
  • FIG. 9 shows, in dashed lines, an alternative positioning 170 of the auxiliary tool 142 to the component 152, in which a central insulated section of the conductor 162 is arranged in the region 150.
  • FIG. 11 a shows the corresponding cross section corresponding to the section plane designated by “XI” in FIG. 9. Furthermore, Fig.
  • FIG. 11b shows, in a representation corresponding to FIG. 11a, the operating state of the auxiliary tool 142 with the positioning 170 shown in broken lines in FIG. 9 after the cushion elements 148a-b have been filled with fluid.
  • this cross-sectional shape, which is different from that of FIGS. 10a-b, of the component 152 arranged in the region 150 is securely fixed in the auxiliary tool 142.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un outil auxiliaire (2, 2', 52) de fixation d'un composant (40, 70) destiné à l'assemblage par liaison d'un seul tenant, comportant un élément rigide d'encadrement (6, 6', 54), comportant un ou plusieurs élément(s) amortisseur(s) souple(s) (10, 10', 64), disposé(s) sur un côté (8, 8', 56, 58) de l'élément rigide d'encadrement (6, 6', 54) et comportant un système de lignes (20, 20', 66), conçu pour remplir lesdits éléments amortisseurs (10, 10', 64) d'un fluide sous pression. L'invention concerne également un outil auxiliaire (82) de fixation d'un composant (40, 70) pour un assemblage par liaison d'un seul tenant, comportant un élément rigide d'encadrement (84), comportant un ou plusieurs élément(s) amortisseur(s) souple(s) (92), disposé(s) sur un côté (86) de l'élément rigide d'encadrement (84) et remplis d'une poudre (90), et comportant un système de lignes (94), conçu pour aspirer de l'air hors desdits éléments amortisseurs (92), la poudre (90) restant dans lesdits éléments amortisseurs (92). L'invention concerne également des utilisations des outils auxiliaires (2, 2', 52, 82) et des procédés de fixation d'un composant (40, 70) pour un assemblage par liaison d'un seul tenant.
PCT/EP2020/071085 2019-08-02 2020-07-27 Outils auxiliaires destinés à la fixation d'un composant pour assemblage par liaison d'un seul tenant, utilisation de ceux-ci et procédés de fixation d'un composant pour assemblage par liaison d'un seul tenant WO2021023540A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019120990.0 2019-08-02
DE102019120990.0A DE102019120990A1 (de) 2019-08-02 2019-08-02 Hilfswerkzeuge zum Fixieren eines Bauteils zum stoffschlüssigen Fügen, deren Verwendung und Verfahren zum Fixieren eines Bauteils zum stoffschlüssigen Fügen

Publications (1)

Publication Number Publication Date
WO2021023540A1 true WO2021023540A1 (fr) 2021-02-11

Family

ID=71846383

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/071085 WO2021023540A1 (fr) 2019-08-02 2020-07-27 Outils auxiliaires destinés à la fixation d'un composant pour assemblage par liaison d'un seul tenant, utilisation de ceux-ci et procédés de fixation d'un composant pour assemblage par liaison d'un seul tenant

Country Status (2)

Country Link
DE (1) DE102019120990A1 (fr)
WO (1) WO2021023540A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989909A (en) * 1989-08-17 1991-02-05 Franks Casing Crew And Rental Tools, Inc. Friction grip for tubular goods
EP1042102A1 (fr) * 1997-10-21 2000-10-11 Allison Advanced Development Company Aube pour turbine a gaz et son procede de fabrication
DE102005057859A1 (de) * 2005-12-03 2007-06-06 Mtu Aero Engines Gmbh Verfahren und Vorrichtung zum Fixieren eines Bauteils
DE102009051255A1 (de) * 2009-10-29 2010-06-17 Daimler Ag Bauteil-Positionsvorrichtung, Bauteil-Prüfstand und Prüfverfahren unter Verwendung der Bauteilpositioniervorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59309016D1 (de) * 1992-11-21 1998-10-29 Kroplin Bernd Druckkissen, insbesondere zum auffüllen von hohlräumen im bergbau
DE102008063975A1 (de) * 2008-12-19 2010-07-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren für das Laserstrahlfügen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989909A (en) * 1989-08-17 1991-02-05 Franks Casing Crew And Rental Tools, Inc. Friction grip for tubular goods
EP1042102A1 (fr) * 1997-10-21 2000-10-11 Allison Advanced Development Company Aube pour turbine a gaz et son procede de fabrication
DE102005057859A1 (de) * 2005-12-03 2007-06-06 Mtu Aero Engines Gmbh Verfahren und Vorrichtung zum Fixieren eines Bauteils
DE102009051255A1 (de) * 2009-10-29 2010-06-17 Daimler Ag Bauteil-Positionsvorrichtung, Bauteil-Prüfstand und Prüfverfahren unter Verwendung der Bauteilpositioniervorrichtung

Also Published As

Publication number Publication date
DE102019120990A1 (de) 2021-02-04

Similar Documents

Publication Publication Date Title
DE4318343A1 (de) Vorrichtung zum Dämpfen von Schwingungen in einer Abgasanlage eines Fahrzeugs
EP0501234A1 (fr) Procédé et appareil pour mesurer la pression intérieure dans un tuyau
WO2014086713A1 (fr) Amortisseur pour véhicule muni d'une bride de raccordement à un tube de module externe
DE102009012694A1 (de) Ausbuchtungsbildungsverfahren und Ausbuchtungsbildungsvorrichtung
DE102017102331A1 (de) Halteelement für eine Leitung
DE3020812B1 (de) Vorrichtung zum Befestigen eines Waermetauschers
WO2021023540A1 (fr) Outils auxiliaires destinés à la fixation d'un composant pour assemblage par liaison d'un seul tenant, utilisation de ceux-ci et procédés de fixation d'un composant pour assemblage par liaison d'un seul tenant
EP3277491B1 (fr) Élément de support et procédé de fabrication d'une barre stabilisatrice de véhicule
DE19749230A1 (de) Spannvorrichtung
DE60213001T2 (de) Gerät zum verteilen von flüssigkeiten und grundplatte
EP0340514B1 (fr) Courroie à barreaux pour convoyeur à bande
DE102009057176A1 (de) Verfahren zur Autofrettage eines Bauteils
EP3152453B1 (fr) Bride de liaison d'un tuyau d'amortisseur de vibrations avec un tuyau de module d'un amortisseur de vibrations
DE102018205713B4 (de) Vorrichtung zur Montage von Verschlussstopfen
DE202019105926U1 (de) Verbindungseinrichtung
EP3260277B1 (fr) Procédé et dispositif d'assemblage thermique d'une couche en matière plastique sur un tube en matière plastique
DE102009008443B4 (de) Selbstnachstellende, thermisch nachgiebige Motorhalterung sowie damit ausgestattete Motoranordnung
DE102014218677A1 (de) Wärmeübertrager und Verfahren zur Herstellung eines Wärmeübertragers
DE102019108592A1 (de) Sitzanlage für einen Kraftwagen sowie Verfahren zum Einstellen einer Sitzanlage für einen Kraftwagen
DE10304514A1 (de) Fixierteil für eine Schlauchschelle
DE102017006211B4 (de) Fahrgastzellenvorrichtung für ein Kraftfahrzeug und Kraftfahrzeug mit einer Fahrgastzellenvorrichtung
DE2151129A1 (de) Fixiervorrichtung fuer Innenrohre in Rohrbuendelwaermeuebertragern
DE4138416C2 (de) Vorrichtung zum Prüfen von ringförmigen Bauteilen, insbesondere aus Keramik, auf Zug
DE202009000438U1 (de) Vorrichtung zur Behandlung des Kiefergelenks
DE102018104145B4 (de) Aggregatelager

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20747377

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20747377

Country of ref document: EP

Kind code of ref document: A1