129 results about "Sonotrode" patented technology

A sonotrode configured for use in an ultrasonic welding system is provided. The sonotrode includes a body portion terminating at a tip portion, the tip portion including a working surface. The working surface defines an aperture configured to hold a conductive pin during an ultrasonic welding process. The working surface also defines a plurality of linear depressions. Each of the plurality of linear depressions follows a path that does not intersect the aperture.

An ultrasonic welding system is provided. The ultrasonic welding system includes a sonotrode configured to ultrasonically weld a conductive pin to a workpiece. The ultrasonic welding system also includes a pin feeding system configured to feed the conductive pin to the sonotrode, the pin feeding system including a pin supply tube.

A sonotrode (10) has knurled projections and recesses (10b) formed by a plurality of projections (11) on a first end face (10a). Among the plurality of projections (11), at least one pair of projections arranged symmetrically at both outermost ends in one direction along a direction of oscillation are asymmetric surface projections (11a and 11b). In each of the asymmetric surface projections (11a and 11b), an angular value (θb) of an outer inclination angle is smaller than an angular value (θa) of an inner inclination angle.

An ultrasonic welding system is provided. The ultrasonic welding system includes a support structure for supporting a workpiece. The ultrasonic welding system also includes a weld head assembly including an ultrasonic converter carrying a sonotrode. The ultrasonic welding system also includes a conductive pin supply configured to provide a plurality of conductive pins for welding using the sonotrode.

An ultrasonic weld / seal-cut system having an ultrasonic cut stack assembly, including an ultrasonic cutting horn with a transducer arranged to impart an ultrasonic energy to the ultrasonic cutting horn (sonotrode) and allow for wider cutting applications while minimizing deflections of the cutting horn under force. The cutting horn has a cutting feature configured to contact a part to be cut and a major surface adjacent to the cutting feature and a booster. The booster can have a generally flat shape and a major surface that is generally coplanar with the major surface of the ultrasonic cutting horn. One or more controllers can be operatively coupled to the ultrasonic cut stack assembly and configured to apply ultrasonic energy through the ultrasonic cut horn via the transducer to cause the cutting feature to move back and forth along its length as the ultrasonic energy is applied by the transducer to the cutting horn. The cutting horn and booster can be a unitary piece, and can be produced by machining a solid plate of metal into the cutting horn with integrated the booster.

An ultrasonic welding system is provided. The ultrasonic welding system includes a sonotrode configured to ultrasonically weld a conductive pin to a workpiece. The ultrasonic welding system also includes a pin feeding system configured to feed the conductive pin to the sonotrode, the pin feeding system including a pin supply tube.

A sealing tool for sealing a base into a sleeve with a sonotrode and an anvil with an end face, the anvil having a cavity in the end face to accommodate the sleeve and base, the cavity having an inner surface section formed as a first sealing surface, the sonotrode having a section that can be guided into the cavity in a longitudinal direction and has a circumferential surface section formed as a second sealing surface, the sonotrode and anvil being movable relative to each other in a longitudinal direction between a starting position, in which the sonotrode is positioned outside the cavity, and a welding position, in which the sonotrode is positioned inside the cavity so that the two sealing surfaces are arranged opposite each other and a gap for accommodating the sleeve and base remains between the two sealing surfaces, wherein an inner surface section serving as a guide section adjoins the first sealing surface in the longitudinal direction.

An ultrasonic weld / seal-cut system having an ultrasonic cutting horn with a flat ultrasonic booster to provide increased stiffness to the ultrasonic cutting horn (sonotrode) and allowing for wider cutting applications while minimizing deflections of the cutting horn under force. The flat booster has a small footprint but provides high stiffness to the cutting horn. The cutting horn and booster can be a unitary piece and can be manufactured, for example, by machining a solid plate of metal into the cutting horn with integrated booster.

An ultrasonic weld / seal-cut system having an ultrasonic cutting horn with a flat ultrasonic booster to provide increased stiffness to the ultrasonic cutting horn (sonotrode) and allowing for wider cutting applications while minimizing deflections of the cutting horn under force. The flat booster has a small footprint but provides high stiffness to the cutting horn. The cutting horn and booster can be a unitary piece and can be manufactured, for example, by machining a solid plate of metal into the cutting horn with integrated booster.

A sonotrode for ultrasonically welding a conductive pin to a workpiece is provided. The sonotrode includes a body portion configured to be coupled to an ultrasonic converter. The body portion terminates at a tip portion, the tip portion defining a mating feature configured to mate with a corresponding mating feature of a base portion of the conductive pin. The conductive pin is oriented in a predetermined configuration by mating of the mating feature with the corresponding mating feature of the base portion.

In one embodiment, a method includes feeding a continuous wire including a plurality of segments into a first end of a channel, and further feeding through the channel formed in a sonotrode of a welding tool until the first end of the continuous wire protrudes from a second end of the channel opposite the first end of the channel, the plurality of sections are arranged in succession to form a continuous wire; welding the first end of the continuous wire to the substrate through an ultrasonic welding electrode; and severing a first section from the continuous wire, the first section comprising a first portion and a second portion, the first portion comprising a first end, the second portion directly adjoining and extending from the first portion, where a hardness of the second portion is greater than a hardness of the first portion at least during the step of soldering the first end of the continuous wire to the substrate.

A welding device for machines for packaging products comprises a first sonotrode (2) and a second sonotrode (3), wherein one of them has a first projection (4) configured to form a respective first welding (SI) of a material and wherein the other has a second projection (5) configured to form a respective second welding (S2) of the material.

An ultrasonic welding assembly comprising a sonotrode with a first body portion, a first nodal region, a welding region, a second nodal region, and a second body portion; a transducer rotationally connected to the second body portion for transmitting acoustic vibrations to the welding region; a roller device connected to the transducer and the sonotrode to allow axial rotation of the transducer and the sonotrode; a support device flexibly connected to the roller device to maintain axial alignment of the transducer and the sonotrode with respect to a target welding area; a bracket for holding the sonotrode; and four frictionless bearings located around the nodal regions of the sonotrode, where the frictionless bearings are attached to the bracket.

Ultrasonic welding system, comprehensive: a welding head assembly with an ultrasonic transducer; and a sonotrode configured to be carried by the welding head assembly, the sonotrode comprising a functional end configured to weld a conductive pin to a workpiece using ultrasound, the functional end defining a conical opening configured to receive the conductive pin.

The present application relates to the technical field of airflow mill, especially to the airflow mill material level control system, which solves the problems in the prior art, comprising a mill cavity, a bottom patch is pasted on the inner side of the bottom of the mill cavity, a plurality of convex parts arranged from top to bottom are welded on the inner side wall of the mill cavity, an electric telescopic rod is installed on the mill cavity in the convex part, a side induction sheet is arranged on the outer side of the telescopic end of the electric telescopic rod, a protection tube is welded on the outer side of the convex part, a cleaning pad is pasted on the inner side of the protection tube, an electrode detection end is connected to the outer surface of the side induction sheet, a detection switch and a potential measuring instrument are arranged between the electrode detection end and the bottom patch, and a sonotrode is installed on the outer side of the mill cavity, the airflow mill material level control system can intuitively and real-timely understand the material level in the mill cavity through the sensor, can realize the dynamic constant material level automatic feeding of the airflow mill, has no material level zero point offset, does not need to be calibrated during long-term operation, does not need to consider the material level problem during the airflow mill with material debugging, and is simple to debug.

The present invention relates to an ultrasonic welding installation (1) with an ultrasonic oscillating unit which comprises a sonotrode (2) and a converter (3), wherein the sonotrode (2) and the converter (3) are arranged one after the other along a longitudinal axis, optionally with the interposition of an amplitude transformer, and the ultrasonic oscillating unit can be caused to resonate with an ultrasonic oscillation with a wavelength λ in the direction of the longitudinal axis, and with a counterpart tool (11), wherein the sonotrode (2) comprises a sealing surface (12; 13) and the longitudinal axis extends parallel to the sealing surface (12, 13) or forms an angle of less than 90° therewith, wherein the counterpart tool (11) comprises a counterpart tool sealing surface (16) which faces the sealing surface (12, 13) of the sonotrode (2) and the sonotrode (2) and the counterpart tool (11) being movable relative to each other in a processing direction perpendicular to the longitudinal axis, whereby the distance between the sealing surface (12, 13) of the sonotrode (2) and the counterpart tool sealing surface (16) can be adjusted. In order to specify an ultrasonic welding installation which at least reduces the described disadvantages, it is proposed according to the invention that the ultrasonic oscillating unit or the counterpart tool is held by a rotary holder which can be rotated about a rotation axis which extends perpendicularly to the longitudinal axis, wherein the rotation axis is arranged in such a way that the distance between the sealing surface (12, 13) of the sonotrode (2) and the counterpart tool sealing surface (16) can be adjusted by rotating the rotary holder.

Sonotrode (10) for an ultrasonic welding device with at least one sealing surface (20) for contacting a workpiece, wherein a planar welding structure (30) is provided on the sealing surface (20) which is designed to introduce welding energy into the workpiece, wherein a suppression structure (40) is further provided on the sealing surface (20), wherein the suppression structure (40) extends around the welding structure (30) and has a closed contour.

A method for producing a plastic film (48) provided with a local material weakening arrangement (12) comprises the following steps: i. Providing an ultrasonic tool arrangement (25) comprising at least one sonotrode (26(i)) and at least one anvil (30) as ultrasonic tools (28, 32) with mutually approachable and mutually removable cooperating action formations (33, 35), wherein at least one ultrasonic tool (28, 32) has a structure action formation (33) which has a complementary shape with respect to the shape of at least one section of the local material weakening arrangement (12), ii. Inserting a plastic film blank (22) into a working gap (24) between the ultrasonic tools (28, 32), iii. Reducing a working gap width (W) to a first working gap final width (w) which is less than the film thickness (D) of the plastic film blank (22), iv. Activating at least one sonotrode (26(i)) at least during step iii. of working gap reduction, and v. Increasing the working gap width (W) to a second working gap end width (W) max ), which is greater than the film thickness (D) of the plastic film blank (22).

The invention relates to a method for sealing hollow cylindrical components (100), in which an open end of the hollow cylindrical component (100) is closed by ultrasonic welding with a circular cover (200), wherein a hollow cylindrical component (100) with an annular, flangeless end face (110) and a lid (200) with a circular lid rim (210) are provided, wherein the lid rim (210) of the lid (200) has an outer diameter which substantially corresponds to an outer diameter of the end face (110) of the hollow cylindrical component (100), The lid (200) is placed concentrically onto the end face (110) of the hollow cylindrical component (100), a sonotrode (400) with an annular working surface (410) is provided, the working surface (410) having an outer diameter that essentially corresponds to the outer diameter of the end face (110) of the hollow cylindrical component (100), and the sonotrode (400) is pressed concentrically onto the lid (200) with a contact force (420) and set into a torsional ultrasonic vibration (430). The invention further relates to a device for carrying out the method.

The present invention relates to a soldering / press-in pin for electrically contacting a power module in an electric vehicle, comprising a tip at a first end along a longitudinal axis of the soldering / press-in pin, a fastening region at a second end along the longitudinal axis, and an elongate body between the tip and the fastening region, wherein the fastening region at the second end has a welding surface which is oriented perpendicularly to the longitudinal axis, and wherein the fastening region has a contact surface which is designed to contact a sonotrode in order to form an integrally bonded connection on the welding surface by ultrasonic welding.

The invention relates to an ultrasonic generator for supplying an electrical power for fragmenting calculi, the ultrasonic generator being assignable a sonotrode, an ultrasonic vibration excitation means for exciting a vibration of the at least one sonotrode, and optionally a force generation apparatus for generating a force for moving a projectile for shock excitation of the sonotrode, with the ultrasonic vibration excitation means being excitable at a vibration frequency by means of the ultrasonic generator by supplying an AC voltage, and the ultrasonic generator comprising a measuring apparatus with at least one measuring unit for measuring a time profile of a voltage and / or current, and an open-loop and / or closed-loop control apparatus for adjusting an electrical power suppliable by the ultrasonic generator to the ultrasonic vibration excitation means, with the measuring apparatus comprising at least one resistor arranged in parallel with the at least one measuring unit and optionally a capacitor arranged in parallel with the measuring unit, wherein the measuring apparatus comprises, in parallel with the at least one measuring unit, at least one suppressor diode for suppressing overvoltage. The invention also relates to a lithotripsy device and a method for operating and controlling a lithotripsy device.

The utility model discloses a helical tooth welding head for ultrasonic welding, and relates to the technical field of ultrasonic welding. The helical tooth welding head for ultrasonic welding comprises a circular block and a dismounting and mounting mechanism, the dismounting and mounting mechanism is arranged below the circular block, the dismounting and mounting mechanism comprises a placing groove, limiting grooves, a positioning block and a sliding cavity, the placing groove is formed in the bottom of the circular block, the inner walls of the two sides of the placing groove are each provided with a set of limiting grooves, and the positioning block is arranged in the placing groove; the outer wall of the positioning block and the inner wall of the placing groove are tightly attached but not connected, two sets of symmetrically-arranged sliding cavities are formed in the positioning block, and the sliding cavities communicate with the exterior of the positioning block. The welding tooth connecting piece can be taken down by directly pulling the welding tooth connecting piece downwards, the positioning block can be directly pushed into the placing groove during mounting, dismounting and mounting are simple and easy to operate, workers can conveniently and rapidly replace the welding tooth connecting piece when welding different workpieces, the workload of the workers is reduced, and the dismounting and mounting efficiency of the welding head is improved.

The present invention relates to a welding method for connecting a joining surface of a first joining partner with a joining surface of a second joining partner, comprising the steps A) Arranging the two joining partners between a first coupling surface of a sonotrode and a second coupling surface of a counter tool, so that the first joining partner is in contact with the first coupling surface, the second joining partner is in contact with the second coupling surface and the two joining surfaces are in contact with each other, B) exerting a force on the two joining partners via at least one of the coupling surfaces in the direction of the other coupling surface, C) Excitation of the sonotrode with a mechanical vibration so that the first coupling surface moves with a vibration frequency, D) reducing or stopping the application of force in step B) and / or reducing or stopping the excitation in step C), characterized by the step, E) Detecting a connection between the first and the second joining partner during step B) and / or step C) by detecting a mechanical vibration of at least one side surface of a joining partner which is in contact with a coupling surface and, if a value detected in step E) meets a predetermined criterion, detecting that a connection exists between the first and second joining partners.

The invention relates to a method for operating an ultrasonic welding machine. During a welding process, a flat material is continuously moved through a gap formed between a sonotrode (1), which is vibrated at an ultrasonic frequency with a welding amplitude, and an anvil (2) at a welding speed while a welding force is exerted onto the flat material by the anvil (2) and / or the sonotrode (1). The invention is characterised in that during a welding phase, the ACTUAL temperature of the flat material is measured after the flat material has passed through the gap, the ACTUAL temperature is compared with a predetermined TARGET temperature, and the welding amplitude is varied on the basis of the comparison result.

A sonotrode and a method for reshaping a connecting element to form a closing head of a rivet. The sonotrode includes a cavity for forming the closing head, the sonotrode defines a longitudinal axis, the cavity provides a contact surface including two opposing side surface sections and at least two ridges protruding from each of the opposing side surface sections in an alternating manner. The method includes providing a connecting element defining a normal axis and two opposing side faces, providing a sonotrode, wherein the longitudinal axis of the sonotrode is aligned with the normal axis of the connecting element, moving the sonotrode and the connecting element towards each other, thereby initially bringing the ridges in contact with the side faces, applying an ultrasonic vibration via the sonotrode to the connecting element, thereby initially softening or melting the material of the connecting element in the region of initial contact.

The ultrasonic welding device (1) includes a sonotrode (3) and a sonotrode carrier (2) configured to generate ultrasonic vibrations of the sonotrode (3). Both the sonotrode (3) and the sonotrode carrier (2) have contact surfaces (5), at least one of the contact surfaces (5) being at least partially roughened. The sonotrode (3) is replaceably fastened to the sonotrode carrier (2) such that the contact surfaces (5) are pressed against one another.

The invention relates to an ultrasonic welding device (100) with at least one tool arrangement (200), comprising a sonotrode (210) having a welding surface (211) and an anvil (220) having a support surface (221) arranged opposite the welding surface (211) for receiving components (400) to be welded, wherein the welding surface (211) and the support surface (221) define a welding area (230) and are movable towards each other in a clamping direction (CD) in order to clamp the components (400) to be welded between them and weld them together in the welding area (230), wherein the ultrasonic welding device (100) comprises a clamping jaw arrangement (300) with two clamping jaws (310) having opposing contact surfaces (311) that define a damping area (320) and are movable towards each other in the clamping direction (CD).to absorb energy from at least one component (400) outside the welding area (230).

The invention relates to an ultrasonic welding device (1) comprising a sonotrode (3), an anvil (5), a contact element (7), a side slide (9), a first stop element (11), an actuating device (29), and a receiving space (13) in which the parts to be joined (15) are housed. The receiving space is delimited on a first side by a surface (21) of the sonotrode and on a second side, opposite the first, by a surface (23) of the anvil. The receiving space is also delimited on a third side by a surface (25) of the contact element and on a fourth side, opposite the third, by a surface (27) of the side slide. The first stop element is movable between a retracted and an extended position.In the retracted position, the first stop defines the receiving space on a fifth side that extends transversely from the first to the fourth side; in the extended position, the first stop leaves the receiving space open on the fifth side. The actuating device is designed to actively move the first stop between the retracted and extended positions.

Method for ultrasonic sealing, wherein a sonotrode and an anvil are operated to seal two edges of sheet arranged therebetween, said method comprising the steps of feeding a continuous sheet (S) along a packaging direction (D1); superimposing two longitudinal edges (S1, S2) of said continuous sheet (S) placing them facing each other between a sonotrode (2) and an anvil (3); dragging said continuous sheet (S) by means of dragging means (6, 7) so as to obtain the advancement of said continuous sheet (S) along a packaging direction (D1) during sealing; activating the sonotrode (2) by making it vibrate at a predetermined sealing amplitude and frequency; arranging the sonotrode (2) and the anvil (3) reciprocally in a sealing position (WP); applying a reciprocal sealing force (RF) between said sonotrode (2) and said anvil (3) to seal the two longitudinal edges (S1, S2) facing each other to form a sealed fin (SP); and interrupting the sealing by removing the application of the sealing force (RF) between said sonotrode (2) and said anvil (3), wherein during the step of interrupting the sealing, the sonotrode (2) is maintained active while simultaneously leaving said sonotrode (2) and said anvil (3) in said sealing position (WP), whereby the vibration of said sonotrode (2) generates a thrust against the anvil (3) substantially equal to the amplitude of the vibration of the sonotrode (2).