15 results about "Ultrasonic drilling" patented technology

The application discloses a kind of ultrasonic drilling device and drilling method of auxiliary liquid using laser heating, belong to ultrasonic auxiliary processing technical field, it includes spindle assembly, spindle Z direction feed assembly, laser heating assembly, auxiliary liquid buffer drainage assembly, workpiece fixed platform assembly, ultrasonic vibration assembly, X direction and Y direction moving assembly, monitoring component, portal frame;The X direction and Y direction moving assembly are used to realize the horizontal two-dimensional motion of workpiece, and the spindle Z direction feed assembly is fixedly connected on the portal frame, to control the movement of spindle assembly in Z direction;Laser heating assembly realizes the up-down movement of auxiliary liquid buffer drainage assembly by bidirectional screw rod, and buffer heating unit with shallow groove structure rotates, to realize the uniform and rapid heating of auxiliary liquid;Ultrasonic vibration assembly contains four ultrasonic vibration units, to realize the vibration of workpiece during processing together;The monitoring component includes force sensor, temperature sensor and position switch sensor, to assist the whole processing process.

A method for classifying a subterranean formation includes rotating an ultrasonic logging tool in a borehole penetrating a formation. The ultrasonic logging tool includes an ultrasonic transducer and an array of spaced apart ultrasonic receivers deployed on a logging tool body. The ultrasonic logging tool measures an azimuthal shear slowness image and an azimuthal compressional slowness image while rotating in the borehole. The images are evaluated to classify the homogeneity / heterogeneity and isotropy / anisotropy of the formation.

The invention provides a double-wall turbine blade large-depth-diameter-ratio film hole remelting-layer-free machining method which comprises the steps that a coaxial electric spark ultrasonic drilling integrated technology is adopted, an electric spark high-speed small hole machining technology is used for removing materials, an electric spark machining surface is subjected to finishing and reaming through drilling, the surface remelting layer is removed, meanwhile, the surface roughness is improved, and the remelting-layer-free machining method for the double-wall turbine blade large-depth-diameter-ratio film hole is achieved. And ultrasonic vibration is added in the drilling process to reduce orifice burrs and tool loss. The problem of machining slippage of large-depth-diameter-ratio inclined holes in the air film holes is solved through a staged technology and parameter development, meanwhile, based on signal control, extraction and contact sensing modes in the machining process, self-adaptive adjustment and control of the machining depth are achieved, and remelting-layer-free and wall-damage-free machining of the air film holes of the blade body of the double-layer-wall turbine blade is achieved. The method has the advantages that the method is suitable for remelting-layer-free and high-precision surface machining requirements of single-crystal-material double-wall turbine blade film holes, is suitable for machining of multi-model turbine blade film holes, and can be popularized to machining of precise micro holes such as spray rods and nozzle holes.

To provide an implementation method of ultrasonic drilling for forming a hole on a workpiece at a first portion of the workpiece.SOLUTION: A method of ultrasonic drilling may be used to form perforated sheets 100 by forming holes 44 through a workpiece 32 using a needle 36 or needle array 60 operatively coupled to an ultrasonic actuator 38. The needle 36 is repeatedly brought into contact with the surface of the workpiece 32 at an ultrasonic operating frequency, thereby forming the hole 44 through the workpiece 32. Such steps are repeated to form a plurality of holes 44 in the workpiece 32, thereby forming a perforated sheet 100 which may be used in an acoustic liner 33 for noise attenuation. The workpiece 32 may be heated while the holes 44 are formed, via a remote heating unit 96 that locally heats a portion of the workpiece 32.SELECTED DRAWING: Figure 3

This invention provides a numerical modeling method for instantaneous cutting thickness in ultrasonic drilling of intersecting holes, comprising: S1. Establishing a drill coordinate system and a workpiece coordinate system, and discretizing the two main cutting edges into several discrete points; S2. Establishing a kinematic model of the drill spindle rotation, axial feed motion, and superposition of axial ultrasonic vibration; S3. Constructing a surface function model of the intersecting hole exit and establishing a material deficiency determination function; S4. Calculating the instantaneous undeformed cutting thickness using the periodic trajectory difference method of the previous spindle; correcting the cutting state of the intersecting region using the material deficiency determination function; S5. Simulating the complete drilling process through time-stepping loops. This invention uses a combination of discrete geometric modeling and spatiotemporal trajectory difference to effectively solve the problem of difficulty in accurately calculating the instantaneous cutting thickness under the abrupt change in material support and the coupling effect of ultrasonic vibration during the drilling of intersecting holes, avoiding the intersection calculation of complex spatial surfaces, simplifying the modeling process, and improving the calculation accuracy and numerical stability.

Ultrasonic drilling device (300) with a sonotrode (310) and with an ultrasonic drilling tool (320), characterized in that a mechanical interface (350) is provided at which the ultrasonic drilling tool (320) can be connected to the sonotrode (310) in a vibration-resistant and detachable manner, wherein the sonotrode (310) has a substantially cylindrical end mass (312) with an integrally formed sonotrode rod (314) which is formed concentrically to a longitudinal central axis (150) of the end mass (312) and is directed axially away from it, wherein a diameter (D E ) the final mass (312) greater than a diameter (D S ) of the sonotrode rod (314), wherein the mechanical interface (350) is arranged in the area of ​​a free end (352) of the sonotrode rod (314) formed receiving section (354) for low-loss transmission of the ultrasonic vibration (120) from the sonotrode (310) to the ultrasonic drilling tool (320).

This invention discloses a multi-directional force fusion sensing system for an ultrasonic drilling three-jaw chuck. The three-jaw chuck has a first base jaw slide, a second base jaw slide, and a third base jaw slide evenly distributed along its circumference. A clamping force monitoring module is detachably mounted on the first base jaw slide, an axial feed force monitoring module is detachably mounted on the second base jaw slide, and a cutting torque monitoring module is detachably mounted on the third base jaw slide. When clamping the workpiece, the workpiece clamping surface abuts against the clamping force monitoring module, the axial feed force monitoring module, and the cutting torque monitoring module. By having the three monitoring modules directly abut against the workpiece clamping surface and bottom end while the workpiece is clamped, the sensor placement is moved forward to near the machining deformation zone, shortening the force signal transmission path, avoiding high-frequency noise pollution from ultrasonic vibration on the sensor signal, improving the signal-to-noise ratio and anti-interference capability of the monitoring system, and solving the problems of low measurement accuracy and high false alarm rate caused by the long signal path and the distance of sensors from the machining area in traditional monitoring methods.

The utility model provides a kind of dispersed laser-assisted ultrasonic coaxial coring device, it is related to drilling equipment technical field, including: shell;Laser irradiation module, including optical isolator and the lens being arranged below optical isolator;And ultrasonic drilling module, including ultrasonic transducer, spiral groove amplitude rod and coring drill bit, coring drill bit includes drill cylinder and hollow drill rod, drill rod upper end is connected spiral groove amplitude rod lower end and is connected with laser channel, drill rod lower end is connected drill cylinder, the lateral wall of drill cylinder is equipped with multiple optical fiber holes extending to drill cylinder bottom surface, multiple optical fibers are equipped in drill rod, each optical fiber lower end is inserted into optical fiber hole and extends to drill cylinder bottom surface.The utility model has the beneficial effects that laser is dispersed and radiated to the area of drill cylinder and rock surface contact by optical fiber, so that laser thermal effect is more remarkable, and coring is carried out using the composite mode of laser thermal effect and ultrasonic vibration effect, so that the problem of secondary effect reducing laser rock breaking efficiency is solved.

The invention discloses a rock breaking device and method with cooperation of ultrasonic drilling and shield cutting, and relates to the technical field of hard rock efficient breaking. The rock breaking device comprises a shield tunneling machine cutting system and an ultrasonic vibration drilling device. During construction, the size of a target cutting face of a hard rock to be constructed is determined firstly, and parameters of the large-diameter pressure relief empty hole are determined in combination with rock mechanical parameters; then the ultrasonic vibration drilling device is fixedly arranged at the circle center of a cutter head of the shield tunneling machine, a large-diameter pressure relief empty hole is drilled through the ultrasonic resonance effect, the cutter of the shield tunneling machine cuts the rock after pressure relief, the ultrasonic vibration drilling rate and the cutter head cutting rate are synchronously controlled, and parallel operation of ultrasonic vibration drilling and shield cutting is achieved. According to the method, the radius and the length of the empty hole are quantitatively designed according to the elastic-plastic mechanics principle, so that a pressure relief area covering the whole section of the shield is formed on the periphery of the empty hole, stress redistribution and strength degradation of hard rock are achieved, meanwhile, the adaptive relation between empty hole parameters and the rock breaking speed is determined, and optimization of the rock breaking efficiency is achieved.

The invention discloses a numerical control machine tool for ultrasonic punching, which relates to the technical field of ultrasonic punching equipment and comprises an ultrasonic machine tool body, an ultrasonic drill bit body arranged in the ultrasonic machine tool body and a processing material body arranged on the outer wall of the ultrasonic machine tool body. The ultrasonic machining device comprises a machining material body, pressing reset switch bodies symmetrically arranged on the two sides of the bottom of the machining material body, ultrasonic generator bodies arranged on one sides of the pressing reset switch bodies, a vibration detection mechanism arranged at the bottom of the machining material body, and a swing stopping mechanism arranged on one side of the vibration detection mechanism. Through the arrangement of the vibration detection mechanism and the swing stopping mechanism, when the ultrasonic drill bit body is used for machining a machining material body, automatic detection can be conducted according to the vibration frequency change of the machining material body, equipment is stopped, and the embrittlement condition of the machining material body during machining can be effectively avoided.

The ultrasonic-assisted drilling system comprises a positioning carrying table, a workpiece pose adjusting mechanism, a drilling mechanism and a drill rod pose adjusting mechanism, and the drilling mechanism comprises a drill rod motor, an ultrasonic power source, a support, a rotating main shaft, an ultrasonic transducer and a variable amplitude assembly. The variable amplitude assembly is connected in the hole of the rotating main shaft through the first supporting wall and the second supporting wall. The ultrasonic-assisted drilling system can drive the workpiece to do translational motion in the X-axis direction and do rotary motion around the Y-axis direction, and can drive the drill rod to do translational motion in the Y-axis direction, do rotary motion around the X-axis direction and do translational motion in the length direction of the drill rod, so that deep holes, inclined holes and space holes can be machined through five-axis machining; the drilling mechanism is an ultrasonic drilling mechanism and can drive the drill rod to vibrate, the machining precision and quality are higher, the amplitude variation assembly is connected with the rotating main shaft through the first supporting wall and the second supporting wall, and the axial vibration precision of the amplitude variation assembly can be improved.

The invention discloses a portable drill rod assembled rotary-impact ultrasonic drilling tool system, which belongs to the technical field of high-altitude mountain glacier drilling equipment and comprises a T-shaped grip, at least one assembled drill rod and a rotary power module which are sequentially and detachably connected from top to bottom. The ice core sampling drill bit or the combined impact power module and the rock core sampling drill bit are selected according to a drilling object; a cable bundle is arranged in the T-shaped grip, the assembled drill rod, the rotary power module and the impact power module in a penetrating manner, and the cable bundle comprises a motor driving cable and a piezoelectric driving cable which are respectively used for supplying power to a motor in the rotary power module and transmitting signals to a piezoelectric transducer in the impact power module; the system is powered by an outdoor mobile power supply and is controlled by a controller. The novel drilling system can adapt to the extreme environment of high-altitude mountain glacier, has efficient and low-consumption drilling capacity, and can realize continuous transmission of underground power and signals.

This invention discloses a method for ultrasonic drilling and rigid tapping of threads in titanium alloys, high-temperature alloys, and duplex stainless steel. Specifically, it relates to the field of thread tapping technology, including: S1, integration and intelligent monitoring of a machining center ultrasonic system; S2, precise adjustment of ultrasonic frequency and accurate strength detection; S3, ultrasonic-assisted efficient pre-drilling and intelligent chip management; S4, intelligent optimization of tapping parameters and multi-factor collaborative processing; and S5, dynamic enhancement of cooling and lubrication for rigid tapping. This invention can effectively improve processing efficiency by 9-15 times, better ensure thread perpendicularity and surface finish, significantly improve thread processing quality, and, due to the ultrasonic processing mechanism, greatly increase tool life by 3-5 times.

The utility model provides an ultrasonic drilling sampling device capable of monitoring drilling force, and relates to the technical field of drilling equipment. An ultrasonic transducer; an ultrasonic power supply; the longitudinal-torsional amplitude-change pole comprises a connector and a twisting column, the twisting column is in a circular truncated cone shape, a plurality of spiral grooves are formed in the surface of the twisting column, the spiral grooves are arranged around the axis of the twisting column at intervals, and the connector is connected with the ultrasonic transducer; the upper end of the drill bit is connected to the lower end of the twisting column; the pressure sensor is used for detecting the drilling force of the drill bit; the controller is connected with the ultrasonic power source and the pressure sensor and used for adjusting the current output by the ultrasonic power source according to the drilling force of the drill bit. The device has the advantages that collision force is monitored in real time through the pressure sensor at the front end of the longitudinal-torsional amplitude-change pole, movement of the drill bit is accurately controlled, drill bit damage caused by overlarge rock-soil counter-acting force is avoided, the service life of the drill bit is prolonged, system safety is improved, and the device has high environmental adaptability and is particularly suitable for extraterrestrial extreme environment detection tasks.

The invention relates to an ultrasonic drilling mechanism with a quick release structure, and belongs to the field of ultrasonic drilling equipment, the ultrasonic drilling mechanism comprises a transducer body with an output end located at the bottom end, the output end of the transducer body is connected with a connecting seat with an insertion hole formed in the bottom, and a circular containing hole is formed in the outer side wall of the connecting seat; the outer side wall of the connecting base is further sleeved with a limiting sleeve, the limiting sleeve comprises a limiting ring, and the inner side wall of the limiting ring is attached to the outer side wall of the connecting base and covers the circular containing hole. A limiting ball is slidably embedded in the circular containing hole and abuts against the inner side wall of the limiting ring, and the side, away from the inner side wall of the limiting ring, of the limiting ball extends into the inserting hole to form a limiting part. A connecting end is formed at the top end of the amplitude-change pole body, and the connecting end is embedded in the inserting hole; the limiting part is embedded in a connecting groove formed in the outer side wall of the connecting end. The detachable fixed connection structure is arranged between the amplitude-change pole body and the transducer body, so that the amplitude-change pole can be quickly replaced, and the production efficiency can be improved.