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CN-224222750-U - Wireless power supply ultrasonic spindle

CN224222750UCN 224222750 UCN224222750 UCN 224222750UCN-224222750-U

Abstract

The utility model provides a wireless power supply ultrasonic spindle, which relates to the technical field of ultrasonic spindles, and comprises a supporting sleeve, a rotating shaft core, a broach mechanism, a wireless power supply module, a wireless power receiving module and a tool handle mechanism, wherein the supporting sleeve plays a limiting role on an internal device and is detachably connected with a numerical control machine tool, the rotating shaft core is rotatably connected with the inner wall of the supporting sleeve, the rear end of the rotating shaft core is connected with a rotating mechanism, the broach mechanism is arranged in the middle of the rotating shaft core, one end of the broach mechanism is detachably connected with the tool handle mechanism, the wireless power supply module is annularly arranged on the inner wall of the supporting sleeve, the wireless power receiving module corresponds to the wireless power supply module and is used for receiving wireless energy and outputting the wireless energy to a target load through a wire, and the tool handle mechanism is provided with a power transmission connector, and is connected with the broach mechanism or is in matched connection with the rotating shaft core.

Inventors

  • LIN CHENGWEI
  • ZHAO QINGFENG
  • Zhan Zixian
  • LIN SHIHUAI

Assignees

  • 全意科技(浙江)有限公司

Dates

Publication Date
20260512
Application Date
20250519

Claims (9)

  1. 1. A wireless power supply ultrasonic spindle is characterized by comprising The support sleeve (1) plays a limiting role on an internal device, and a first connecting hole (2) is annularly arranged outside the support sleeve (1) and is used for being detachably connected with a numerical control machine tool; The rotating shaft core (3) is rotationally connected with the inner wall of the supporting sleeve (1), and the rear end of the rotating shaft core is connected with the rotating mechanism through a coupler; the broaching mechanism (4) is arranged in the middle of the rotating shaft core (3), and one end of the broaching mechanism is detachably connected with the knife handle mechanism (5); the wireless power supply module (6) is annularly arranged on the inner wall of the supporting sleeve (1) and is used for receiving the input of an external power supply and carrying out wireless energy transmission; the wireless power receiving module (7) is annularly arranged outside the rotating shaft core (3), corresponds to the wireless power supply module (6) and is used for receiving wireless energy and outputting the wireless energy to a target load through a wire; The cutter handle mechanism (5) is provided with a power transmission joint (8), and the power transmission joint (8) is connected with the broach mechanism (4) or is connected with the rotating shaft core (3) in a matching way.
  2. 2. The wireless power supply ultrasonic spindle according to claim 1, wherein a wire inlet hole (11) is formed in the outer portion of the supporting sleeve (1), and the wire inlet hole (11) is connected with the wireless power supply module (6) through a wire.
  3. 3. The ultrasonic spindle powered by wireless according to claim 1, wherein when the power transmission joint (8) is connected with the rotating shaft core (3), the power transmission joint (8) is annularly arranged on the outer ring of the tool handle mechanism (5), a first positioning protrusion (51) is annularly arranged on the outer ring of the tool handle mechanism (5), a first positioning groove and a first power supply groove (52) are arranged on the rotating shaft core (3), the first positioning groove is connected with the first positioning protrusion (51) in a matching manner, and the first power supply groove (52) is connected with the power transmission joint (8) in a matching manner.
  4. 4. The ultrasonic spindle powered by wireless according to claim 1, wherein when the power transmission joint (8) is connected with the broach mechanism (4), the power transmission joint (8) is arranged at the end part of the tool handle mechanism (5), a second power supply groove (53) is arranged at the end part of the broach mechanism (4), and a second positioning protrusion (54) is also annularly arranged on the outer ring of the tool handle mechanism (5) and is clamped with the rotating shaft core (3).
  5. 5. The wireless power supply ultrasonic spindle according to claim 1, wherein a conductive channel is arranged in the rotating shaft core (3), a power transmission line is arranged in the conductive channel, and one end of the power transmission line is connected with the wireless power receiving module (7).
  6. 6. The wireless power supply ultrasonic spindle according to claim 1, wherein electromagnetic induction coupling type power supply is adopted between the wireless power supply module (6) and the wireless power receiving module (7).
  7. 7. The wireless power supply ultrasonic spindle as set forth in claim 1, wherein a bearing assembly (9) is provided between the support sleeve (1) and the rotating shaft core (3) for ensuring smooth rotation of the rotating shaft core (3).
  8. 8. The wireless power supply ultrasonic spindle according to claim 1, wherein the bottom of the wireless power receiving module (7) is provided with a manganese zinc ferrite ring-shaped magnetic core.
  9. 9. The wireless power supply ultrasonic spindle according to claim 1, wherein the peripheries of the wireless power supply module (6) and the wireless power receiving module (7) are provided with electromagnetic shielding layers, the electromagnetic shielding layers are made of conductive materials and are annularly coated on the outer sides of the wireless power supply module (6) and the wireless power receiving module (7) to inhibit electromagnetic radiation interference and improve wireless energy transmission efficiency.

Description

Wireless power supply ultrasonic spindle Technical Field The utility model mainly relates to the technical field of ultrasonic spindles, in particular to a wireless power supply ultrasonic spindle. Background At present, the field of machine tool machining widely adopts an ultrasonic spindle to carry out high-precision machining, and the ultrasonic spindle converts high-frequency electric energy into mechanical vibration through a piezoelectric ceramic transducer to realize micron-sized cutting of materials. However, conventional ultrasonic spindles typically rely on wired power to transfer electrical energy to the rotating components through carbon brushes or slip rings. The power supply mode has the obvious defects that the carbon brush and the slip ring are easy to generate abrasion and electric spark under high-speed rotation, so that the contact resistance is increased, the energy loss is increased, even electromagnetic interference is caused, and the processing precision and the service life of equipment are influenced. Wireless power technology (such as magnetic coupling resonance or radio frequency energy transmission) has been used in some rotary devices, but its suitability in the ultrasound spindle field remains a challenge. The ultrasonic spindle requires a stable high frequency power supply and is extremely sensitive to transmission efficiency and power fluctuations. The existing wireless power supply scheme is difficult to consider the stability and the efficiency of high-frequency power transmission, particularly frequency detuning is easy to occur when the load is suddenly changed, so that the output amplitude of the piezoelectric transducer is unstable, and the quality of a processed surface is directly influenced. The above-described contents are within the technical knowledge of the inventors, and the technical contents in the art are huge and complicated, and thus the above-described contents of the present application do not necessarily constitute the prior art. Disclosure of utility model 1. The utility model aims to solve the technical problems that: the utility model provides a wireless power supply ultrasonic spindle which is used for solving the technical problems in the background technology. 2. The technical scheme is as follows: in order to achieve the above purpose, the utility model provides a technical scheme that the ultrasonic spindle with wireless power supply comprises The support sleeve plays a limiting role on the internal device, and a first connecting hole is annularly arranged outside the support sleeve and is used for being detachably connected with the numerical control machine tool; The rotating shaft core is rotationally connected with the inner wall of the supporting sleeve, and the rear end of the rotating shaft core is connected with the rotating mechanism through a coupling; The broaching mechanism is arranged in the middle of the rotating shaft core, and one end of the broaching mechanism is detachably connected with the knife handle mechanism; The wireless power supply module is annularly arranged on the inner wall of the supporting sleeve and is used for receiving the input of an external power supply and carrying out wireless energy transmission; the wireless power receiving module is annularly arranged outside the rotating shaft core, corresponds to the wireless power supply module and is used for receiving wireless energy and outputting the wireless energy to a target load through a wire; The cutter handle mechanism is provided with a power transmission joint, and the power transmission joint is connected with the broach mechanism or the rotating shaft core in a matched connection mode. When the device works, the ultrasonic main shaft is connected with the existing numerical control machine tool through the bolts, the wireless power supply module is connected with a power supply of the numerical control machine tool after locking, the tool shank mechanism needing to work is inserted into the end part of the tool shank mechanism, the rotating mechanism of the numerical control machine tool can drive the rotating shaft core and the tool shank mechanism to do rotary motion in the supporting sleeve during working, the wireless power supply module can convey electric power to the wireless power receiving module in a wireless transmission mode in the rotating process, the wireless power receiving module guides the electric power to the tool mechanism or the end part of the rotating shaft core through a wire, and after the tool shank mechanism is connected with the tool shank mechanism in a clamping mode or the rotating shaft core in a matching mode, the device can stably perform electric power transmission on the tool shank mechanism in a wireless power supply mode, and the efficient processing operation of the ultrasonic main shaft is guaranteed. Further, a wire inlet hole is formed in the outer portion of the supporting sleeve, and the wire inlet hole is co