Ultrasonic machining device

By adopting a wireless energy transmission design in the ultrasonic machining device, the problem of spatial interference between the ultrasonic tool holder and the machine tool is solved, achieving more efficient machining and more stable energy transmission, expanding the scope of application, and improving machining efficiency and quality.

CN224196414UActive Publication Date: 2026-05-05SHENZHEN MULTIFIELD PRECISION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN MULTIFIELD PRECISION CO LTD
Filing Date
2025-04-21
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Traditional ultrasonic machining equipment is limited in its flexible application and affects machining efficiency on some machine tools due to spatial interference between the energy transmission components around the tool holder and the machine tool.

Method used

The ultrasonic machining device employs wireless power transmission. By setting a power receiving module on the outer periphery of the spindle core and a power supply module on the spindle housing with a gap fit, wireless power transmission of the ultrasonic tool holder is achieved. The transducer assembly is connected by wires, simplifying the tool holder structure and avoiding spatial interference.

Benefits of technology

It expands the application range of ultrasonic tool holders, improves processing efficiency and stability, reduces operational inconvenience and downtime, and enhances the surface quality and tool life of the machined parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of precision machining, and discloses an ultrasonic machining device which comprises a main shaft shell and a shaft core arranged in the main shaft shell, a power supply module is arranged at the end of the main shaft shell, a power receiving module is arranged at the end of the shaft core, and the power supply module and the power receiving module are in clearance fit to achieve wireless energy transmission. An ultrasonic knife handle is arranged in an inner cavity of the end of the shaft core, the ultrasonic knife handle corresponds to the power receiving module in position, and a transducer assembly in the ultrasonic knife handle is connected with the power receiving module through a wire. The utility model can effectively solve the problem of insufficient space of a machine tool, simplify the structure of the ultrasonic knife handle, expand the application range of the ultrasonic knife handle, and ensure the reliability and stability of wireless transmission of ultrasonic energy, thereby improving the overall processing efficiency of the device.
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Description

Technical Field

[0001] This utility model relates to the field of precision machining technology, and more specifically, to an ultrasonic machining device. Background Technology

[0002] With the increasing demand for high-performance material processing in industrial production, the processing of high-end, difficult-to-machine materials such as hard and brittle materials, titanium alloys, and stainless steel is becoming increasingly challenging. Traditional processing techniques for these materials suffer from problems such as poor surface finish, low processing efficiency, and short tool life, making it difficult to meet the needs of modern industrial production.

[0003] Ultrasonic machining, as a novel machining method, utilizes the ultrasonic energy of ultrasonic cutting tools and is widely used in the machining of non-metallic materials, hard and brittle materials, as well as micro-holes and deep holes. Ultrasonic machining offers significant advantages, effectively solving many problems encountered in traditional machining processes, and has important application value in the precision machining of difficult-to-machine materials.

[0004] When ultrasonic machining is performed using ultrasonic tool holders, the energy transmission components are usually located on the outer periphery of the tool holder. This facilitates the use of ultrasonic tool holders with different types of machine tools. However, when working on certain specific machine tools, there is a risk of spatial interference between the energy transmission components on the outer periphery of the tool holder and the machine tool, which limits the flexible application of ultrasonic machining equipment and affects the processing efficiency of the equipment. Summary of the Invention

[0005] The purpose of this invention is to address the technical problems existing in the prior art by providing an ultrasonic processing device that can effectively solve the problem of insufficient machine tool space, simplify the structure of the ultrasonic tool holder, and ensure the overall processing efficiency of the device.

[0006] To solve the problems mentioned above, the technical solution adopted by this utility model is as follows:

[0007] This utility model provides an ultrasonic processing device, including a spindle housing and a core disposed in the spindle housing. A power supply module is provided at the end of the spindle housing, and a power receiving module is provided at the end of the core. The power supply module and the power receiving module are gap-fitted to achieve wireless energy transmission.

[0008] An ultrasonic scalpel handle is provided in the inner cavity of the end of the shaft core. The ultrasonic scalpel handle corresponds to the position of the power receiving module. The transducer assembly inside the ultrasonic scalpel handle is connected to the power receiving module via a wire.

[0009] Furthermore, the end of the shaft is provided with a spindle positioning key along the axial direction, which mates with the positioning keyway on the ultrasonic scalpel handle; the positioning keyway of the ultrasonic scalpel handle is provided with a scalpel handle positioning block, which is connected and mates with the spindle positioning key.

[0010] Furthermore, one end of the shank positioning block extends into the inner cavity of the ultrasonic scalpel shank and is connected to the transducer assembly via a wire; the other end of the shank positioning block is provided with a positioning protrusion, which engages with the spindle positioning key and is also connected to the power receiving module via a wire.

[0011] Furthermore, the spindle positioning key is provided with a positioning groove that mates with the positioning protrusion.

[0012] Furthermore, the spindle positioning key is provided with a limiting step within the positioning groove, and the positioning protrusion is provided with a limiting protrusion, which engages with the limiting step for limiting.

[0013] Furthermore, the large end diameter of the mounting part on the ultrasonic scalpel handle is D1, and the outer diameter of the spindle housing is D2, where D2 = n1 × D1, and 1 < n1 < 10.

[0014] Furthermore, the distance between the mounting end face of the ultrasonic scalpel handle and the corresponding end face on the shaft core is L1, and a mounting boss that mates with the end face of the shaft core is formed on the power receiving housing of the power receiving module. The axial length of the mounting boss is L2, L2 = n2 × L1, 0 < n2 < 8.

[0015] Furthermore, the end face of the outer peripheral connecting flange of the ultrasonic scalpel handle is provided with a snap-fit ​​part, and the power receiving housing of the power receiving module is provided with a snap-fit ​​groove that mates with the snap-fit ​​part; the two ends of the snap-fit ​​part are respectively connected to the coils of the transducer assembly and the power receiving module through wires.

[0016] Furthermore, the power supply module and the power receiving module are arranged sequentially along the axial or radial direction of the shaft core.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] This invention achieves wireless power transmission by placing the power receiving module on the outer periphery of the spindle core and making clearance fit with the power supply module on the spindle housing. This effectively solves the problem of insufficient machine tool space, simplifies the structure of the ultrasonic tool holder, and expands the applicable range of the ultrasonic tool holder, enabling it to be adapted to more types of machine tools. By eliminating spatial interference problems, it also ensures the reliability and stability of wireless ultrasonic energy transmission, thereby improving the overall processing efficiency of the device. Attached Figure Description

[0019] To more clearly illustrate the solutions in this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0020] Figure 1 This is an overall cross-sectional view of Embodiment 1 of the ultrasonic processing device of this utility model.

[0021] Figure 2 This is a partial structural diagram of Embodiment 1 of the ultrasonic processing device of this utility model.

[0022] Figure 3 This is a partial cross-sectional view of Embodiment 1 of the ultrasonic processing device of this utility model.

[0023] Figure 4 This is another partial structural diagram of the ultrasonic processing device in Embodiment 1 of this utility model.

[0024] Figure 5 This is a partial parameter diagram of Embodiment 1 of the ultrasonic processing device of this utility model.

[0025] Figure 6 This is a partial cross-sectional view of Embodiment 2 of the ultrasonic processing device of this utility model.

[0026] Figure 7 This is a schematic diagram showing partial parameters of the ultrasonic processing device in Embodiment 2 of this utility model.

[0027] Figure 8 This is a partial cross-sectional view of Embodiment 3 of the ultrasonic processing device of this utility model.

[0028] Among them, 10-spindle housing, 20-shaft core, 30-ultrasonic scalpel holder, 40-power supply module, 50-power receiving module, 21-spindle positioning key, 22-wire hole, 31-transducer assembly, 32-wire wire, 33-scalpel holder positioning block, 34-positioning protrusion, 35-mounting protrusion, 36-connecting flange, 37-clamping part. Detailed Implementation

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. For example, terms such as “length,” “width,” “upper,” “lower,” “left,” “right,” “front,” “rear,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer” indicate orientations or positions based on the orientations or positions shown in the accompanying drawings and are merely for ease of description and should not be construed as limiting the invention.

[0030] The terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this utility model are intended to cover non-exclusive inclusion; the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish different objects, not to describe a particular order. In the specification, claims, and accompanying drawings of this utility model, when an element is referred to as "fixed to," "mounted to," "set on," or "connected to" another element, it can be directly or indirectly located on that other element. For example, when an element is referred to as "connected to" another element, it can be directly or indirectly connected to that other element.

[0031] Furthermore, the reference to "embodiment" herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0032] See Figures 1 to 4 As shown, this utility model provides an ultrasonic processing device, including a spindle housing 10 and a spindle core 20 disposed within the spindle housing 10. The spindle core 20 is capable of rotating within the spindle housing 10. A power supply module 40 is provided at one end of the spindle housing 10, and a power receiving module 50 is provided at one end of the spindle core 20. The power supply module 40 and the power receiving module 50 are positioned correspondingly and fitted with a clearance to achieve wireless energy transmission.

[0033] An ultrasonic scalpel handle 30 is provided in the inner cavity of the end of the shaft core 20. The ultrasonic scalpel handle 30 is positioned corresponding to the power receiving module 50. The transducer assembly 31 inside the ultrasonic scalpel handle 30 is connected to the power receiving module 50 via a wire 32 for energy transmission.

[0034] In this embodiment, the power supply module 40 is mounted on the spindle housing 10, and the power receiving module 50 is mounted on the outer periphery of the spindle core 20. The power receiving module 50 and the transducer assembly 31 are connected by a wire 32 to achieve power transmission. That is, the power receiving module 50 does not need to occupy the installation space on the outer periphery of the ultrasonic scalpel 30, thereby reducing the volume of the ultrasonic scalpel 30 and avoiding interference between the ultrasonic scalpel 30 and the machine tool during installation and operation.

[0035] In one embodiment, the end of the shaft core 20 is provided with a spindle positioning key 21 along the axial direction, which cooperates with the positioning keyway 32 on the ultrasonic scalpel holder 30; the positioning keyway 32 of the ultrasonic scalpel holder 30 is provided with a scalpel holder positioning block 33, which is connected and cooperates with the spindle positioning key 21 to realize the installation and positioning of the ultrasonic scalpel holder 30 and the shaft core 20, thereby ensuring the installation stability of the ultrasonic scalpel holder 30.

[0036] Specifically, in this embodiment, the ultrasonic scalpel holder 30 adopts a BT series scalpel holder, which has a positioning keyway 32 on its outer periphery. The positioning keyway 32 cooperates with the spindle positioning key 21 to facilitate the detachable installation of the ultrasonic scalpel holder 30 and the spindle core 20.

[0037] In one embodiment, one end of the shank positioning block 33 extends into the inner cavity of the ultrasonic scalpel 30 and is connected to the transducer assembly 31 via a wire 32; the other end of the shank positioning block 33 is provided with a positioning protrusion 34, which cooperates with the spindle positioning key 21, and is also connected to the power receiving module 50 via a wire, further ensuring the reliability of the ultrasonic scalpel 30 and the shaft core 20 installation and positioning, as well as the reliability of the power transmission between the power receiving module 50 and the transducer assembly 31.

[0038] Understandably, the shaft core 20 is provided with a wire hole 22 along the radial direction to facilitate the passage of the wire connecting the positioning protrusion 34 and the power receiving module 50. The end face of the positioning protrusion 34 can serve as a connection contact point, thereby ensuring the reliability of energy transmission.

[0039] Specifically, the spindle positioning key 21 is provided with a positioning groove 23 that cooperates with the positioning protrusion 34, so as to facilitate the installation and cooperation between the positioning protrusion 34 and the spindle positioning key 21, thereby ensuring the stability of the ultrasonic scalpel holder 30 installation and the reliability of power transmission.

[0040] Specifically, the spindle positioning key 21 is located in the positioning groove 23 and is provided with a limiting step 24. The positioning protrusion 34 is provided with a limiting protrusion 35. The limiting protrusion 35 and the limiting step 24 cooperate to limit the positioning, so that when the positioning protrusion 34 and the positioning groove 23 are installed and cooperated, the positioning can be quickly positioned by the limiting protrusion 35 and the limiting step 24.

[0041] In one embodiment, see Figure 5 As shown, the large end diameter of the mounting portion on the ultrasonic scalpel holder 30 is D1, and the outer diameter of the spindle housing 10 is D2, where D2 = n1 × D1, and 1 < n1 < 10. Specifically, n1 can take values ​​of 1.5, 3, 5, 7, 9, 9.5, or any value within the aforementioned range, which can satisfy the reliability and stability of the installation and fit between the ultrasonic scalpel holder 30 and the spindle core 20.

[0042] In one embodiment, the power supply module 40 and the power receiving module 50 are arranged sequentially along the axial direction of the spindle core 20, which can reduce the maximum outer diameter of the spindle housing 10 while ensuring wireless energy transmission.

[0043] Understandably, in other embodiments, see [reference]. Figure 6As shown, the power supply module 40 and the power receiving module 50 can also be arranged radially along the spindle core 20, which can also realize wireless energy transmission and reduce the axial length of the spindle housing 10 to meet different installation conditions of the machine tool.

[0044] For details, please refer to Figure 7 As shown, the distance between the mounting end face of the ultrasonic scalpel holder 30 and the corresponding end face on the shaft core 20 is L1. A mounting boss is formed on the power receiving housing 51 of the power receiving module 50 to mate with the end face of the shaft core 20. The axial length of the mounting boss is L2, where L2 = n2 × L1, and 0 < n2 < 8. Specifically, n2 can take values ​​of 0.5, 2, 4, 6, 7.5, or any value within the aforementioned range. This ensures the reliability of the mounting fit between the ultrasonic scalpel holder 30 and the shaft core 20, while also preventing the axial length of the mounting boss from being too large and extending into the positioning keyway 32 of the ultrasonic scalpel holder 30, thus affecting the rotational movement and operational reliability of the ultrasonic scalpel holder 30.

[0045] In other embodiments, see Figure 8 As shown, the end face of the outer peripheral connecting flange 36 of the ultrasonic scalpel handle 30 is provided with a snap-fit ​​part 37, and the power receiving housing 51 of the power receiving module 50 is provided with a snap-fit ​​groove 52. The snap-fit ​​part 37 and the snap-fit ​​groove 52 are connected and engaged to achieve a reliable installation and engagement between the ultrasonic scalpel handle 30 and the shaft core 20. The two ends of the snap-fit ​​part 37 are respectively connected to the coils of the transducer assembly 31 and the power receiving module 50 through wires to achieve reliable power transmission.

[0046] Specifically, in this embodiment, the ultrasonic scalpel handle 30 is an HSK series scalpel handle. The outer peripheral end face of the ultrasonic scalpel handle 30 is provided with a snap-fit ​​part 37. By engaging the snap-fit ​​part 37 with the snap-fit ​​groove 52 on the power receiving housing 51, the ultrasonic scalpel handle 30 and the shaft core 20 can be installed and limited. The structure is simple and easy to implement, and the reliability of the installation and engagement is guaranteed.

[0047] Similarly, in this embodiment, the power supply module 40 and the power receiving module 50 are arranged sequentially along the axial or radial direction of the shaft core 20 and are fitted with a clearance, which can realize wireless power transmission between the power supply module 40 and the power receiving module 50.

[0048] This invention effectively solves the problem of insufficient machine tool space, simplifies the structure of the ultrasonic tool holder 30, and expands its application range, enabling it to adapt to more types of machine tools, thereby improving processing efficiency. By eliminating spatial interference, it reduces operational inconvenience and downtime, making the processing smoother. Simultaneously, this power supply method can stably provide ultrasonic energy, which not only improves the surface quality of the machined material but also extends the tool's lifespan.

[0049] The ultrasonic processing device of this invention significantly improves processing efficiency and product quality, providing important support for the widespread application of ultrasonic processing technology in industrial production.

[0050] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.

Claims

1. An ultrasonic processing device, characterized in that: The device includes a spindle housing and a spindle core disposed within the spindle housing. A power supply module is provided at one end of the spindle housing, and a power receiving module is provided at one end of the spindle core. The power supply module and the power receiving module are fitted together to achieve wireless energy transmission. An ultrasonic scalpel handle is provided in the inner cavity of the end of the shaft core. The ultrasonic scalpel handle corresponds to the position of the power receiving module. The transducer assembly inside the ultrasonic scalpel handle is connected to the power receiving module via a wire.

2. The ultrasonic processing apparatus according to claim 1, characterized in that: The end of the shaft is provided with a spindle positioning key along the axial direction, which mates with the positioning keyway on the ultrasonic scalpel handle; the positioning keyway of the ultrasonic scalpel handle is provided with a scalpel handle positioning block, which is connected and mates with the spindle positioning key.

3. The ultrasonic processing apparatus according to claim 2, characterized in that: One end of the shank positioning block extends into the inner cavity of the ultrasonic scalpel handle and is connected to the transducer assembly via a wire; the other end of the shank positioning block is provided with a positioning protrusion, which cooperates with the spindle positioning key and is also connected to the power receiving module via a wire.

4. The ultrasonic processing apparatus according to claim 3, characterized in that: The spindle positioning key is provided with a positioning groove that mates with the positioning protrusion.

5. The ultrasonic processing apparatus according to claim 4, characterized in that: The main spindle positioning key is located in the positioning groove and is provided with a limiting step. The positioning protrusion is provided with a limiting protrusion, and the limiting protrusion and the limiting step are engaged for limiting.

6. The ultrasonic processing apparatus according to claim 1, characterized in that: The large end diameter of the mounting part on the ultrasonic scalpel handle is D1, and the outer diameter of the spindle housing is D2, where D2 = n1 × D1, and 1 < n1 < 10.

7. The ultrasonic processing apparatus according to claim 1, characterized in that: The distance between the mounting end face of the ultrasonic scalpel handle and the corresponding end face on the shaft core is L1. The power receiving housing of the power receiving module forms a mounting boss that mates with the end face of the shaft core. The axial length of the mounting boss is L2, L2 = n2 × L1, 0 < n2 < 8.

8. The ultrasonic processing apparatus according to claim 1, characterized in that: The end face of the outer peripheral connecting flange of the ultrasonic scalpel handle is provided with a snap-fit ​​part, and the power receiving housing of the power receiving module is provided with a snap-fit ​​groove that mates with the snap-fit ​​part; the two ends of the snap-fit ​​part are respectively connected to the coils of the transducer assembly and the power receiving module through wires.

9. The ultrasonic processing apparatus according to any one of claims 1 to 8, characterized in that: The power supply module and the power receiving module are arranged sequentially along the axial or radial direction of the shaft.