EP3328579A1 - Sonotrode, vorrichtung sowie verfahren zur herstellung einer verbindung - Google Patents
Sonotrode, vorrichtung sowie verfahren zur herstellung einer verbindungInfo
- Publication number
- EP3328579A1 EP3328579A1 EP16739093.9A EP16739093A EP3328579A1 EP 3328579 A1 EP3328579 A1 EP 3328579A1 EP 16739093 A EP16739093 A EP 16739093A EP 3328579 A1 EP3328579 A1 EP 3328579A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sonotrode
- cable
- anvil
- profile
- axis
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0263—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for positioning or holding parts during soldering or welding process
-
- 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
- B23K20/106—Features related to sonotrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/187—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping combined with soldering or welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0207—Ultrasonic-, H.F.-, cold- or impact 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
Definitions
- the invention relates to a sonotrode according to the preamble of claim 1. It further relates to an apparatus and a method using the sonotrode.
- Such a sonotrode is known from DE 10 2013 212 331 AI ⁇ known.
- the known sonotrode has a symmetrical mass distribution with respect to a first plane of symmetry. It is bounded by two circular connecting surfaces running perpendicular to the first plane of symmetry for connection to ultrasound sources. Through the connecting surfaces and the first Symme ⁇ trieebene extends an axis of the sonotrode.
- the sono ⁇ trode has two opposing work surfaces, which extend from its peripheral surface.
- the Ar ⁇ beits vom are convex or comb each curved in a to the axis duri ⁇ fenden parallel first profile.
- a ridge line of the curved work surface extends perpendicular ⁇ right to an axis of the sonotrode.
- the ridge line of the working ⁇ surface is straight.
- DE 11 2011 102 335 T5 discloses a method for connecting a tubular cable lug with a cable.
- the cable is partially melted by means of ultrasonic vibrations and made a connection with the pipe cable lug.
- a torsion sonotrode is ⁇ be known, in which a torsion beam is perpendicular to kausflä ⁇ surfaces for connection to an ultrasound generating device and the ultrasonic source. Between the connecting surfaces extending from the circumference of the cylindrical sonotrode in opposing arrangement projections with substantially flat trained work surfaces. The work surfaces extend in the direction of the axis or torsion axis of Torsionssonotrode.
- the cable In order to establish a connection between a tubular cable lug and a cable, the cable is inserted into the tube section of the tube lug .
- the tubular cable lug is then firmly clamped on an anvil in the area of a connection terminal extending from the pipe section. Subsequently, the sonotrode is pressed into the region of the pipe section and by Ul ⁇ traschallschwingung a compound, in particular a
- Both the working surfaces of the sonotrode and the opposite counter surface of the anvil are in the prior art typically structured such that a is relative motion ⁇ prevented between the clamped between the anvil and horn part or parts as possible.
- This has the consequence that the structures provided on the working surfaces and the anvil are embossed into the surface of the parts to be joined, in particular to be welded and / or soldered.
- Such a change of the surface is especially undesirable in electrical components, such as connection terminals, because of consequent Maisprob ⁇ lems.
- it is due to the structure during bonding often too high temperatures and to a rapid wear of the working surface and the counter ⁇ surface. The wear is particularly pronounced with nickel-plated tubular cable lugs.
- a sonotrode which comprises the production of a connection, in particular a welded joint and / or a solder joint, between a cable and a sheathing enclosing the cable with simultaneously reduced damage and / or Deformation of the surface of the connecting, in particular to be welded and / or soldered, component allows.
- an apparatus and a method for producing a compound, in particular a welded joint and / or a solder joint, using the sonotrode are given.
- the invention in a first aspect, relates to a sonotrode for making a connection between a cable and a sheath enclosing the cable.
- the connection may be a welded joint and / or a solder joint.
- the enclosure may be, for example, a sleeve, in particular a metal sleeve, in particular a metal sleeve (ie egg ⁇ nen tube section) of a tubular cable lug, which is attached to the cable.
- ⁇ hüllung may also be a wrapping of a portion of the cable.
- the working surface is concavely curved in a second profile at least in sections.
- the work surface is concavely curved in the two ⁇ th profile.
- the sonotrode acts upon application of a pressure or a force to the sheath, in particular, the metal sleeve ⁇ "self-centering". This effect is particularly stamped out ⁇ when the second profile perpendicular to a below-described axis of the sonotrode.
- the enclosure is displaced so that a longitudinal axis of the enclosure aligns with the concave curvature of the work surface.
- the envelope in particular the metal sleeve, is cylindrical. is formed, a cylinder axis of the envelope is aligned approximately paral ⁇ lel to the axis of the sonotrode.
- the envelope in particular the metal sleeve
- the envelope must only be positioned opposite the working surface, in particular placed on the anvil, in such a way that a longitudinal extension axis of the envelope is approximately in out ⁇ direction with the axis of the sonotrode, ie the envelope should be arranged so that their longitudinal extension direction forms with the axis of the sonotrode an angle of at most 60 °, preferably at most 45 °, more preferably at most 30 °.
- the cable may be, for example, a copper cable or an aluminum cable.
- the sonotrode has a bezüg ⁇ Lich a first symmetry plane symmetric mass distribution.
- the sonotrode may further include a connection surface for connection to an ultrasound source.
- Advantageously ver ⁇ runs the connection surface perpendicular to the first Symmetrieebe ⁇ ne.
- the sonotrode includes an axis extending through the connecting surface and the first plane of symmetry, and the at least one working surface extends from a peripheral surface of the sonotrode in a direction perpendicular to this axis.
- the working surface is at least partially convexly curved in a parallel to the axis extending first profile, in particular convex curved. This can in the preparation of a compound, in particular a
- the first profile may also be formed in the invention straight or concave, or it may be convex portions and / or straight portions and / or concave portions aufwei ⁇ sen. In this way, further advantageous contours can be embossed into the envelope.
- the second profile in which the work surface is concavely curved at least in sections, runs perpendicular to the said axis of the sonotrode.
- the working surface may comprise one or more comb-like Abschnit ⁇ te.
- the comb-like portion may extend longitudinally, transversely, or at any other angle to the axis of the sonotrode.
- Several, for example two, comb-like sections can also extend at different angles to the axis of the sonotrode.
- two o more of the comb-like portions of the working surface can intersect at ⁇ play at a right angle. In this way, one or more grooves may be pressed into the enclosure, which may extend longitudinally, transversely or at any other angle to the axis.
- the working surface in the first profile is curved over an angle of 90 ° to 180 °.
- the first profile is formed in the manner of a full bead.
- the first profile can be configured semicircular in this case.
- the first profile is expediently symmetrical removablebil ⁇ det.
- a radius of curvature of the first profile may be uniform or variable.
- the second profile is curved in sections concave.
- the second profile may have a groove, which is designed such that when exerting a pressure or a force on the Umhül ⁇ ment means of the work surface, the envelope is forced in a vorgege ⁇ bene position with respect to the work surface.
- the "channel" in the sense of the present invention is advantageous ⁇ way to be such a manner that the surface of the envelope a centrally located between the channel banks channel bottom does not touch upon contact with ⁇ the channel bank, the surface of the envelope, ie initially remains a distance between the channel bottom and the surface of the Umhül ⁇ ment.
- the troughs it is possible for the troughs to first slide along the surface of the enclosure, thereby moving the enclosure to the predetermined position with respect to the work surface. Only when a pressure or force is subsequently applied to the work surface does the gutter base also come into contact with the casing.
- the second profile may also be configured in sections in a convex manner, provided that it is designed to be concave at least in sections according to the invention. In this way, advantageous contours can be impressed into the envelope.
- the working surface on both sides of the channel in each case a projecting and especially hump-shaped pressure surface.
- the Rin ⁇ nenufer are each formed as projecting and particularly hö ⁇ sugar-like print areas.
- the hump-like Substituted ⁇ staltung the printing surface allows a substantially frictionless sliding of the sheath to the pressure surfaces and DA with a quick and accurate setting of the given position with respect to the work surface.
- the concave curvature of the second profile extends over the entire Län ⁇ ge of the work surface.
- length of the Häflä ⁇ che is the distance between the two the concave curvature of the second section delimiting highest points is understood.
- the surface of the working surface may have a mean roughness R a of at most 0.4 ⁇ m, preferably 0.1 ⁇ m.
- R a mean roughness
- the pressure faces and the work surface are smooth, preferably polished, is formed. So before ⁇ Trains t it has no superficial structure example ⁇ as projections, ribs or the like. , on.
- the production of a compound, in particular a welded joint and / or a solder joint between the cable and the sheath by means of ultrasonic welding. It is currently believed that the connection is achieved by swaging the cable and sheath.
- the lack of a superficial structure also has the effect of increasing the friction between the sonotrode, the cladding and the anvil, thereby increasing the development of heat. It is currently assumed that this results in a cohesive connection between the casing and the cable in the interior of the casing in cooperation with the welding force. Furthermore, the lack of a superficial structure has the advantage that the wear of the work surface is reduced. As a result, a longer and higher energy input is possible.
- the horn When the horn can be han spindles ⁇ a torsion sonotrode.
- the axis of the sonotrode is a Tor ⁇ sion axis.
- the sonotrode can also be a longitudinal sonotrode. In this case, the equivalent Axis of the sonotrode of a propagation direction of the longitudinal waves.
- two opposing connecting surfaces are pre ⁇ see, so that in each case an ultrasonic source is connected to each of the connecting surfaces.
- the ultrasonic source includes fully advantageously at least a converter, insbeson ⁇ particular for producing a torsional or longitudinal ultrasonic vibration, wherein the converter is connected directly or indirectly through a booster with the connecting surface.
- a radially encircling offset attack ⁇ surface is conveniently provided for the engagement of a pressure generating means.
- the attack surface can jump radially outward in front of ⁇ jump.
- the device may comprise a pressure generating device acting on an attack surface of the anvil for generating a pressure acting in the direction of the sonotrode or a force acting in the direction of the sonotrode.
- the counter surface is a compound, in particular a welded joint and / or a solder joint for the manufacture ⁇ lung, between a cable and a cable wrapped envelope, in particular between a cable and a subsequent plugged sleeve, in particular a metal sleeve, in particular a metal sleeve of a tubular cable ⁇ shoe , can be arranged opposite a work surface of a sonotrode.
- the counter surface is concavely curved in a second profile at least in sections, in particular concavely curved.
- the counter surface of the anvil according to the invention So it is designed analogous to the working surface of the inventive sonotrode. As has especially been surprisingly compared with the first aspect of the invention, can also be with such an anvil and a conventional horn many of the advantages already explained above erzie ⁇ len.
- the mating surface can be convexly curved, in particular convexly curved, at least in sections in a first profile running perpendicular to the second profile.
- the mating surface may be ge ⁇ curves in the first profile over an angle of 90 ° to 180 °.
- the mating surface may be formed in the first profile in the manner of a full bead.
- the second profile of the Ge ⁇ genization may be partially concave curved.
- the two ⁇ te profile of the mating surface may have a groove, which is designed such that when exerting a pressure or a force on the envelope by means of the mating surface Um ⁇ hull is forced into a predetermined position with respect to the mating surface.
- the counter surface may each have a projecting ⁇ wells and particularly hump-like pressure ⁇ surface on both sides of the channel.
- the concave curvature of the second profile of the mating surface may extend over an entire length of the mating surface.
- a surface of the mating surface may have an average rough value R a of at most 0.4 ⁇ m, preferably at most 0.1 ⁇ m.
- a device for producing a connection, in particular a welded joint and / or a solder joint, between a cable and a sheath enclosing the cable, in particular between a cable and a sleeve attached thereto, in particular a metal sleeve, in particular one Me ⁇ tallhülse a tubular cable lug.
- the device comprises an at least at a connection surface with an ultrasonic sonotrode, and a source connected ⁇ oppositely arranged working face of the horn anvil.
- There are the sonotrode and / or the anvil according to the invention are the sonotrode and / or the anvil according to the invention.
- the apparatus further comprises a at least one contact surface acting on the Druckerzeu ⁇ restriction device for generating a pressure acting in the direction of the anvil or a force acting in the direction of the anvil force.
- an opposing surface of the anvil arranged opposite the working surface has a mean roughness R a of at most 0.4 ⁇ m, preferably at most 0.1 ⁇ m.
- the counter surface of the anvil is similar to the work surface of the sonotrode smooth ⁇ forms. Thus, it preferably has no superficial structural ⁇ structure, such as projections, ribs, or the like. , on. Kochra ⁇ ingly, it is also formed with a smooth Ar ⁇ beits Structure and a simultaneously smoothly formed counter-surface ⁇ possible to sufficiently ultrasonic energy for the manufacture of a compound to couple into the cladding.
- the proposed device is particularly suitable for connecting, in particular for welding and / or for welding, a cable with a tubular cable lug.
- a tubular cable shoe comprises a metal sleeve, which is closed at one end. From the closed end extends a connection terminal, which is formed in the manner of a sheet.
- the anvil has in a surface section adjoining the counter surface two parallel shoulders for holding such a connection terminal against lateral displacement. A ⁇ by the connecting terminal between put in particular disposed parallel shoulders, a rough alignment of the enclosure with respect to the work surface can be predetermined.
- the sonotrode is arranged above the anvil.
- the anvil is arranged above the sonotrode.
- the sonotrode and the anvil are adjustable de preferred one another in a closing direction re ⁇ tively.
- the device may also include at least one side gate with a side boundary surface, preferably two einan ⁇ the opposite side slide arranged with a respective side boundary surface.
- the at least one lateral slide is preferably displaceable in a transverse direction perpendicular to the closing direction.
- the working surface of the sonotrode, the counter surface of the anvil and the side boundary surface of the side slider can enclose a space in which the connection takes place.
- the side shifters like the shoulders, can provide a rough orientation of the sheath with respect to the work surface.
- the second profile of the working surface and the counter surface Kgs ⁇ NEN be, for example as the profiles formed in a known crimping tools, in order to achieve in this way be ⁇ known from crimping profiles of the envelope.
- the ultrasonic source conveniently comprises at least egg ⁇ NEN converter for generating a torsional or a lon gitudinalen ultrasonic vibration. It may further comprise at least one introduced ⁇ connected between the converter and the connecting surface boosters.
- a method for producing a compound, in particular a welded joint and / or a soldered connection between a cable and a cable wrapped envelope, in particular between a cable and a sleeve insbesonde ⁇ re a metal sleeve, in particular a Metal sleeve of a tubular cable lug.
- the procedure includes the following steps:
- Provision of a device with a sonotrode according to the invention Positioning the enclosure such that an axis of the enclosure is approximately in alignment with a trough axis of a trough of the work surface,
- a distance between pressure surfaces of the working surface is smaller than an outer diameter of the casing. This allows a higher clamping force during centering.
- the ratio of the distance between the pressure surfaces and the outer diameter of the envelope may, for example, be in the range from 0.5 to 0.9, preferably in the range from 0.6 to 0.8.
- a distance between pressure surfaces of the working surface is greater than an outer diameter of the casing. In this way, with the same sonotrode and sheaths of different outer diameter can be connected to a respective cable. Furthermore, the self-centering when adjusting the sonotrode in the direction of the anvil is improved, and there is a more uniform force entry.
- the pressure ⁇ surfaces can be arranged on both sides of the channel and formed salient and particular hump.
- the application can be done by wrapping the wrapper around the wrapper.
- the axis of the envelope corresponds to its longitudinal direction. When the envelope is cylindrical, the axis corresponds to the axis of rotation.
- approximately in alignment means that the axis of the envelope with the axis of the sonotrode forms an angle of at most 60 °, preferably at most 45 °, particularly preferably at most 30 °.
- the positioning of the envelope, in particular of the sleeve takes place by placing the envelope on an anvil arranged opposite the working surface.
- the posi tioning ⁇ of the envelope is performed by a placement of the sheath onto the working surface of the sonotrode.
- the metal sleeve is movably mounted on the anvil or the sonotrode.
- the sheath is preferably not attached Klem ⁇ mend on the anvil before it comes into contact with the work surface, or it is attached does not clampingly on the sonotrode before it comes into contact with the opposing face of the anvil. It is aligned by the sinking on the envelope working surface or counter surface by means provided in the work surface concave curvature.
- the work surface are pressed ⁇ into the enclosure and coupled ultrasonic vibration, to give a compound, in particular a welded joint and / or a solder joint, within the envelope with which sheathed cable, in particular with the inserted therein, cable provides Herge ⁇ is.
- the envelope is placed on the opposite surface of the anvil, wherein the counter surface has the above-mentioned average roughness R a .
- the metal sleeve is advantageously part of a connection terminal having a tubular cable lug.
- the connection terminal can be placed between the shoulders of the anvil.
- the coupled-in ultrasonic vibration is expediently a torsional ultrasonic vibration, so that the working surface is moved back and forth in a direction perpendicular to the torsion axis of the sonotrode and / or to the axis of the covering.
- the coupled-in ultrasonic vibration can also be a longitudinal ultrasonic vibration, so that the working surface is moved back and forth in a direction parallel to the axis of the sonotrode and / or to the axis of the envelope.
- 1 is a first side view of a first sonotrode
- FIG. 13 is a plan view of an anvil with a pipe ⁇ cable lug
- FIG. 14 is a side view according to FIG. 13,
- Fig. 16 is a detail view of the second sonotrode according to
- Fig. 18a-d four pairs of sonotrodes and anvils in a sectional view for producing various profiles
- Fig. 20a / b an ultrasonic welding device, wherein the
- Distance between pressure surfaces of the working surface is greater than the outer diameter of the casing, before and after centering.
- FIGS. 1 to 4 show views of a first sonotrode according to the invention.
- the first horn has a first symmetry is ⁇ ration level Sl.
- the masses are relative to the first symmetry is ⁇ trie plane S symmetrically distributed.
- ⁇ ne Sl is an axis X of the first sonotrode.
- the axis X corresponds to a rotation axis of a cylindrical portion of the first sonotrode. From a cylindrical body 1 of the sonotrode extending work surfaces 2 in opposing arrangement.
- Fig. 1 shows a first profile of the work surfaces 2.
- the first profile is parallel to the axis X.
- the work surfaces 2 have in the first profile on a convex curvature. They are designed here in the manner of a Vollwulsts.
- the work surfaces 2 extend perpendicular to the axis X.
- each of the work surfaces 2 a concave portion or a channel 3, which on both sides of projecting hump ⁇ style pressure surfaces 4 is limited.
- Each printing surface 4 has a center M in plan view (see FIG. 4).
- a channel axis R connects the lowest points of the channel 3.
- the first sonotrode has a first connection surface 5 with a threaded bore 6. Furthermore, the first sonotrode is provided with a circumferential engagement surface 7 which extends radially from the fuselage 1 between the first connection surface 5 and the work surfaces 2.
- FIG. 8 shows schematically a first ultrasonic welding device according to the invention.
- An ultrasound source 8 is here connected to the first sonotrode, shown in FIGS. 1 to 4, at its connecting surface 5.
- the reference numeral 9 schematically denotes a pressure generating device which acts on the engagement surface 7 of the first sonotrode.
- an anvil is referred to, which has a counter surface 11 opposite the working surface 2.
- FIGS. 5 to 7 show a schematic view of a second inventive ultrasonic welding device.
- the second sonotrode shown in FIGS. 5 to 7 is connected to an ultrasound source 8 at their connecting surfaces 5.
- the pressure generating device 9 is supported here on two attack surfaces 7.
- the working surface 2 of the sonotrode toward the counter surface 11 of the anvil moves ⁇ ses 10th
- a metal sleeve 12 On the smooth formed counter surface 11 of the anvil 10 is a metal sleeve 12, which is for example part of a tubular cable lug 13.
- the metal sleeve 12 has a second plane of symmetry S2.
- the second symmetry ⁇ level S2 is initially not in alignment with the work surface 2 in alignment with a third plane of symmetry S3, wel ⁇ che perpendicular to the first plane of symmetry Sl through the axis X of the sonotrode.
- the groove axis R is preferably in the third plane of symmetry S3.
- a distance between the two center points M of the pressure surfaces 4 is designated by the reference symbol A.
- the strainszei ⁇ chen D denotes an outer diameter of the metal shell 12.
- the distance A is smaller than in this embodiment the outside diameter D of the metal shell 12.
- A k * D, where k is a factor in the range of 0.5 to 0.9, preferably 0.6 to 0.8.
- FIGS. 13 and 14 show an embodiment of an anvil 10, on which a tubular cable lug 13 is placed.
- the tubular cable lug 13 has a metal sleeve 12, which rests on the smooth counter surface 11.
- the anvil 10 has in one of the mating surface 11 adjacent surface portion 15 two pa ⁇ rallele shoulders 16.
- a distance between the shoulders 16 is conveniently chosen so that the Rantermi ⁇ nal 14 can be displaced laterally in a predetermined range.
- a cable 17 is inserted into the metal sleeve 12.
- the metal sleeve 12 thus constitutes an envelope of the Ka ⁇ bels 17.
- the cable lug 13 may be nickel-plated.
- the sonotrode With the sonotrode according to the invention, it is possible to produce a reproducible and firm welded connection and / or in particular when using the torsional ultrasonic welding method Solder connection of a metal sleeve 12 with a cable 17 inserted therein.
- the cable 17 may in particular be a strand, for example made of copper or aluminum.
- the proposed ultrasonic welding device a cable may be welded to a pipe 17 with lug 13 and / or soldered, without the surface of the Rantermi ⁇ Nals 14 damaged, in particular scratched, is.
- the lack of superficial structures on the working surface 2 and on the counter surface 11 also has the effect that the friction between sonotrode, metal sleeve 12 and anvil 10 is increased and thereby the heat development is increased.
- the work surface 2 in the second profile shown here over its entire length L has a concave curvature.
- a shortest distance between the opposing curvature lines of the two work surfaces 2 advantageously intersects the axis X ⁇ .
- Fig. 16 shows a detail view according to FIG. 5. From this it is clear ⁇ that the work surface 2 curves shown here, the first profile over an angle of 180 °.
- FIGS. 18a to 18d four pairs of sonotrodes 18 and anvils 10 are shown in sectional views, in which the second profiles can be seen. Also visible are the metal sleeves 12 and cable 17 after connection.
- the second profiles of sonotro ⁇ 18 and anvil 10 each have both convex and concave portions.
- Fig. 18b only the second profile of the anvil 10 has a convex profile, but not the second profile of the sonotrode 18th
- FIG. 19 shows a further inventive Schweisseinrich ⁇ tion, which except a sonotrode 18 and an anvil 10 two oppositely disposed side slide 19, each with a side boundary surface 20 contains.
- the sonotrode 18 is adjustable in a direction of vertical closing direction B in the direction of the anvil 10.
- the side sliders 19 are displaceable in a transverse direction Q perpendicular to the closing direction B.
- the working surface 2 of the sonotrode 18, the mating surface 11 of the anvil 10 and the side boundary surfaces 20 of the side shift 10 surround a space in which the connection takes place.
- the side shifter 19 provide a rough From ⁇ direction of the metal sleeve 12 with respect to front of the work space. 2
- the distance between pressure surfaces 4 of the working surface 12 of the sonotrode 18 is greater than the outside diameter of the metal sleeve 12.
- the self-centering is improved when adjusting the sonotrode 18 in the direction of the anvil 10, and he follows ⁇ a more uniform force input.
- Fig. 20a shows the state before centering
- Fig. 20b shows the state after centering.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015214408.9A DE102015214408C5 (de) | 2015-07-29 | 2015-07-29 | Sonotrode, Vorrichtung sowie Verfahren zur Herstellung einer Schweißverbindung |
PCT/EP2016/066652 WO2017016875A1 (de) | 2015-07-29 | 2016-07-13 | Sonotrode, vorrichtung sowie verfahren zur herstellung einer verbindung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3328579A1 true EP3328579A1 (de) | 2018-06-06 |
Family
ID=55974947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16739093.9A Pending EP3328579A1 (de) | 2015-07-29 | 2016-07-13 | Sonotrode, vorrichtung sowie verfahren zur herstellung einer verbindung |
Country Status (9)
Country | Link |
---|---|
US (1) | US10554004B2 (de) |
EP (1) | EP3328579A1 (de) |
JP (1) | JP7109359B2 (de) |
KR (1) | KR102552995B1 (de) |
CN (1) | CN108136536B (de) |
DE (1) | DE102015214408C5 (de) |
MA (1) | MA42511A (de) |
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CN112203794B (zh) * | 2018-11-20 | 2022-08-09 | 株式会社Link-Us | 超声波接合装置 |
DE102018132839A1 (de) * | 2018-12-19 | 2020-06-25 | Herrmann Ultraschalltechnik Gmbh & Co. Kg | Ultraschallschweißanlage mit Abstützelement |
CN109865931B (zh) * | 2019-03-25 | 2022-03-11 | 惠州亿纬锂能股份有限公司 | 用于焊接电池的超声波焊接辅助组件、装置及方法 |
US11697172B2 (en) * | 2019-09-05 | 2023-07-11 | Ohio State Innovation Foundation | Systems and methods for joining and repair using ultrasonic additive manufacturing with a contoured sonotrode |
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2015
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- 2016-07-13 CN CN201680055532.2A patent/CN108136536B/zh active Active
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- 2016-07-13 EP EP16739093.9A patent/EP3328579A1/de active Pending
- 2016-07-13 US US15/747,481 patent/US10554004B2/en active Active
- 2016-07-13 WO PCT/EP2016/066652 patent/WO2017016875A1/de active Application Filing
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Publication number | Publication date |
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WO2017016875A1 (de) | 2017-02-02 |
MX2018001185A (es) | 2018-04-20 |
US10554004B2 (en) | 2020-02-04 |
MA42511A (fr) | 2018-06-06 |
KR102552995B1 (ko) | 2023-07-06 |
DE102015214408C5 (de) | 2020-01-09 |
JP2018530429A (ja) | 2018-10-18 |
CN108136536A (zh) | 2018-06-08 |
CN108136536B (zh) | 2023-11-14 |
KR20180035870A (ko) | 2018-04-06 |
US20180219345A1 (en) | 2018-08-02 |
JP7109359B2 (ja) | 2022-07-29 |
DE102015214408B3 (de) | 2016-06-09 |
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