Ultrasonic power device and ultrasonic tool system

Abstract

The present invention discloses an ultrasonic power device and an ultrasonic tool system. The ultrasonic power device has a fixed ring fixedly connected to the housing of a machine tool spindle, a rotor rotatably connected to the housing, and can be connected to the machine tool spindle; a transducer fixedly connected to the rotor and used to connect to a tool; a first electrical connection component fixedly arranged on the fixed ring, a second electrical connection component arranged on the housing, the first electrical connection component electrically connected to a power source, and the second electrical connection component can be plugged into the first electrical connection component; a first conductive component fixedly arranged on the rotor, a second conductive component fixedly arranged on the housing, the first conductive component and the second conductive component rollingly connected, and the first conductive component is electrically connected to the transducer, and the second conductive component is electrically connected to the second electrical connector. The ultrasonic power device avoids wear and sparking caused by sliding connection between the first and second conductive components, has a long service life, high safety, is easy to assemble and disassemble, and has high efficiency in tool replacement.

Description

Technical Field

[0001] The present invention relates to the technical field of ultrasonic vibration machining, and in particular to an ultrasonic electric energy device and an ultrasonic tool system. Background Art

[0002] With the development of modern science and technology and production, especially the development of technology in the field of aerospace, the conditions for the use of materials are becoming more and more harsh, and the performance requirements for materials are becoming higher and higher. In order to meet the needs of the development of high-tech, high-performance new materials have emerged, such as hard and brittle materials, composite materials, high-temperature alloys, titanium alloys and other advanced materials with outstanding performance. However, since most of these high-performance new materials have high hardness and high brittleness, their cutting performance is poor. When processed by traditional processing methods, it is easy to cause workpiece breakage, surface / subsurface damage and reduce the life of the tool, which seriously restricts the development and application of hard and brittle materials. Ultrasonic assisted processing technology is a composite processing technology that applies ultrasonic frequency vibration to the tool to change the contact state between the tool and the workpiece from continuous contact to high-frequency intermittent contact, thereby effectively reducing cutting force, improving processing quality and extending tool life.

[0003] Among them, the ultrasonic power device is one of the important components of the ultrasonic tool holder system. Existing ultrasonic power devices are mainly divided into two categories: one is a non-contact ultrasonic power device, and the other is a contact ultrasonic power device. For the contact ultrasonic power device, an existing contact ultrasonic power transmission device includes a conductive slip ring module, wherein the conductive slip ring module includes a rotor slip ring and a carbon brush. When the ultrasonic-assisted machining system is working, the rotor slip ring and the carbon brush slide relative to each other. However, the relative speed of the rotor slip ring and the carbon brush is relatively high, resulting in a high degree of sparking between the rotor slip ring and the carbon brush. In addition, the rotor slip ring and the carbon brush are severely worn, which greatly limits the increase in tool speed and ultrasonic vibration power. In addition, when replacing the ultrasonic vibration tool holder assembled on the ultrasonic power device, the existing contact ultrasonic power transmission device needs to first unplug the ultrasonic cable plug from the ultrasonic vibration tool holder housing, then remove the tool holder, and then install the tool holder to be used on the spindle. Finally, the cable structure is installed. The operation steps are cumbersome and the work efficiency is low. Summary of the Invention

[0004] The purpose of the present invention is to provide an ultrasonic power device and an ultrasonic tool system to solve the problems in existing ultrasonic power devices, such as the rotor slip rings and carbon brushes are very prone to sparking, the rotor slip rings and carbon brushes are severely worn, which limits the tool rotation speed and ultrasonic vibration power, and the steps for replacing the ultrasonic vibration tool are cumbersome.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] An ultrasonic electric energy device, used for assembly on a machine tool spindle, comprising:

[0007] A fixing ring, a rotor and a housing, wherein the fixing ring is fixedly connected to the housing of the machine tool spindle, the rotor is rotatably connected to the housing, and the rotor can be connected to the machine tool spindle;

[0008] a transducer, the transducer being fixedly connected to the rotor and being used to connect to a tool;

[0009] an electrical connection assembly, the electrical connection assembly comprising a power supply fixedly disposed on the fixing ring and a first electrical connection assembly, and a second electrical connection assembly disposed on the housing, the first electrical connection assembly being electrically connected to the power supply, and the second electrical connection assembly being pluggable into the first electrical connection assembly;

[0010] A conductive component includes a first conductive component fixedly disposed on the rotor, and a second conductive component fixedly disposed on the housing, the first conductive component and the second conductive component are rollingly connected, the first conductive component is electrically connected to the transducer, and the second conductive component is electrically connected to the second electrical connector.

[0011] Preferably, the first electrical connection component includes an electrical connector fixedly mounted on the fixing ring, the electrical connector is electrically connected to the power supply, and the electrical connector is provided with a slot. The second electrical connection component includes an electrical plug slidably connected to the housing, the electrical plug is electrically connected to the second conductive component, and the electrical plug can be elastically plugged into the slot.

[0012] Preferably, the housing is provided with a slide groove, the electrical plug part is slidably located in the slide groove, and the second electrical connection assembly further comprises a first elastic member, the two ends of the first elastic member are respectively connected to the bottom wall of the slide groove and the electrical plug.

[0013] Preferably, one of the electric plug and the inner wall of the sliding slot is provided with a limiting surface, and the other is provided with a limiting structure, and along the sliding direction of the electric plug, the limiting surface can abut against the limiting structure.

[0014] Preferably, the first conductive component includes a conductive ring fixedly mounted on the rotor, and the second conductive component includes a conductive wheel rollingly connected to the conductive ring, the conductive ring is electrically connected to the transducer, and the conductive wheel is electrically connected to the electrical plug.

[0015] Preferably, the second conductive component further includes a bracket, the conductive wheel is rotatably connected to the bracket, and the bracket is detachably connected to the housing.

[0016] Preferably, the second conductive component further includes a second elastic member and an adjusting member, the bracket is provided with a first through hole, the adjusting member passes through the second elastic member and the first through hole in sequence and is threadedly connected to the housing.

[0017] Preferably, the rotor is provided with a second through hole, one end of the lead is connected to the transducer, and the other end passes through the second through hole and is connected to the conductive ring.

[0018] Preferably, at least the portion of the rotor in contact with the conductive ring is provided with an insulating layer.

[0019] An ultrasonic tool system comprises the ultrasonic electric energy device mentioned above.

[0020] Beneficial effects of the present invention:

[0021] The present invention provides an ultrasonic power device and an ultrasonic tool system, the ultrasonic power device comprising a fixing ring, a rotor, a housing, a transducer, an electrical connection assembly, and a conductive assembly. The ultrasonic power device is configured such that the fixing ring is fixedly connected to the housing of a machine tool spindle, and the rotor is fixedly connected to the machine tool spindle. The rotor is fixedly connected to the machine tool spindle, and the second electrical connection assembly is plugged into the first electrical connection assembly. The first and second conductive assemblies of the conductive assembly are configured to be rollingly connected, the first conductive assembly is electrically connected to the transducer, and the second conductive assembly is electrically connected to the second electrical connection member, thereby electrically connecting the transducer to a power source. The transducer is fixedly connected to the rotor and is used to connect to a tool. The transducer converts electrical energy into high-frequency mechanical vibrations and transmits them to the tool, so that the contact between the tool and the workpiece is high-frequency intermittent contact, thereby reducing the cutting force of the tool, improving the quality of the workpiece processed by the tool, and extending the service life of the tool. Among them, compared with the prior art through the sliding connection of the rotor slip ring and the carbon brush, the ultrasonic electric energy device is able to effectively reduce the friction between the first conductive component and the second conductive component by setting a rolling connection between the first conductive component and the second conductive component, thereby effectively avoiding the wear and sparking of the first conductive component and the second conductive component due to sliding, thereby effectively improving the service life and safety of the conductive component, thereby improving the service life and safety of the ultrasonic electric energy device; wherein, when the tool needs to be replaced, the rotor is removed from the machine tool spindle, and at the same time, the second electrical connection component is away from the first electrical connection component. It can be understood that the rotor, housing, transducer, tool and second electrical connection component are removed as a whole, and the disassembly or assembly steps are simple, which effectively improves the work efficiency of tool replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a cross-sectional view of an ultrasonic power device provided by a specific embodiment of the present invention;

[0023] Figure 2 is a schematic structural diagram of an ultrasonic power device provided by a specific embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of a partial structure of an ultrasonic power device provided by a specific embodiment of the present invention. Figure 1 ;

[0025] Figure 4 This is a schematic diagram of a partial structure of an ultrasonic power device provided by a specific embodiment of the present invention. Figure 2 .

[0026] In the picture:

[0027] 1. Fixing ring; 11. Fixing ring body; 12. Connecting part;

[0028] 2. rotor; 21. second through hole;

[0029] 3. Shell; 31. Slide;

[0030] 4. Transducer;

[0031] 51. Power supply; 52. Electrical connector; 521. Slot; 53. Second electrical connection assembly; 531. Electrical plug; 5311. Position limiting structure; 532. First elastic member;

[0032] 6. Conductive component; 61. Conductive ring; 62. Second conductive component; 621. Conductive wheel; 622. Bracket; 623. Second elastic member; 624. Adjusting member;

[0033] 7. Plug;

[0034] 8. Bearings;

[0035] 9. Seal. DETAILED DESCRIPTION

[0036] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all structures.

[0037] In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0038] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0039] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meanings.

[0040] The present invention provides an ultrasonic electric energy device, such as Figure 1 As shown, the ultrasonic electric energy device includes a fixed ring 1, a rotor 2, a shell 3, a transducer 4, an electrical connection component and a conductive component 6. The fixed ring 1 is fixedly connected to the shell of the machine tool spindle, the rotor 2 is rotatably connected to the shell 3, and the rotor 2 can be connected to the machine tool spindle; the transducer 4 is fixedly connected to the rotor 2, and the transducer 4 is used to connect the tool, specifically, the transducer 4 is used to connect the tool handle; the electrical connection component includes a power supply 51, a first electrical connection component fixedly arranged on the fixed ring 1, and a second electrical connection component 53 arranged on the shell 3, the first electrical connection component is electrically connected to the power supply 51, and the second electrical connection component 53 can be plugged into the first electrical connection component; the conductive component 6 includes a first conductive component fixedly arranged on the rotor 2, and a second conductive component 62 fixedly arranged on the shell 3, the first conductive component and the second conductive component 62 are rollingly connected, and the first conductive component and the transducer 4 are electrically connected, and the second conductive component 62 is electrically connected to the second electrical connector.

[0041] The ultrasonic power device, such as Figure 1As shown, the fixing ring 1 is fixedly connected to the housing of the machine tool spindle, and the rotor 2 is fixedly connected to the machine tool spindle, wherein the rotor 2 is fixedly connected to the machine tool spindle and the second electrical connection component 53 is plugged into the first electrical connection component. By setting the first conductive component and the second conductive component 62 of the conductive component 6 for rolling connection, the first conductive component and the transducer 4 are electrically connected, and the second conductive component 62 is electrically connected to the second electrical connector, so that the transducer 4 is electrically connected to the power supply 51. The transducer 4 is fixedly connected to the rotor 2 and the transducer 4 is used to connect the tool. The transducer 4 converts electrical energy into high-frequency mechanical vibration and transmits it to the tool, so that the contact mode between the tool and the workpiece is high-frequency intermittent contact, thereby reducing the cutting force of the tool, improving the processing quality of the workpiece processed by the tool, and extending the service life of the tool. Among them, compared with the prior art in which the rotor slip ring and the carbon brush are used for sliding connection, the ultrasonic electric energy device is connected by rolling the first conductive component and the second conductive component 62 of the conductive component 6, which can effectively reduce the friction between the first conductive component and the second conductive component 62, thereby effectively avoiding the wear and sparking of the first conductive component and the second conductive component 62 due to sliding, thereby effectively improving the service life and safety of the conductive component 6, thereby improving the service life and safety of the ultrasonic electric energy device; wherein, when the tool needs to be replaced, the rotor 2 is removed from the machine tool spindle, and at the same time, the second electrical connection component 53 is away from the first electrical connection component. It can be understood that the rotor 2, the housing 3, the transducer 4, the tool and the second electrical connection component 53 are removed as a whole, and the disassembly or assembly steps are simple, which effectively improves the work efficiency of replacing the tool.

[0042] Among them, such as Figure 1-3As shown, the first electrical connection component includes an electrical connector 52 fixedly arranged on the fixing ring 1, the electrical connector 52 is electrically connected to the power supply 51, and the electrical connector 52 is provided with a slot 521. The second electrical connection component 53 includes an electrical plug 531 slidably connected to the housing 3, the electrical plug 531 is electrically connected to the second conductive component 62, and the electrical plug 531 can be elastically plugged into the slot 521. The electrical connector 52 is electrically connected to the power source 51. When the electrical plug 531 is inserted into the slot 521, the electrical connector 52 is electrically connected to the electrical plug 531, the electrical plug 531 is electrically connected to the second conductive component 62, the second conductive component 62 is in rolling connection with the first conductive component, and the first conductive component is electrically connected to the transducer 4. As a result, the power source 51 provides electrical energy to the transducer 4, which converts the electrical energy into mechanical vibration and transmits it to the tool. This creates a high-frequency intermittent contact between the tool and the workpiece, thereby reducing the cutting force of the tool, improving the quality of the workpiece processed by the tool, and extending the service life of the tool. Furthermore, by allowing the electrical plug 531 to be elastically inserted into the slot 521, the electrical plug 531 is prevented from being excessively inserted into the slot 521 and damaging the structure of the slot 521. This also prevents the electrical plug 531 from being insufficiently inserted into the slot 521 and failing to effectively connect to the electrical connector 52. As an alternative, the insertion depth of the electrical plug 531 into the slot 521 may be adjusted by adjusting the assembly position of the fixing ring 1 along the axial direction of the machine tool spindle.

[0043] In this embodiment, if Figure 1 and Figure 2 As shown, the fixing ring 1 includes a fixing ring body 11 and a connecting portion 12. The fixing ring body 11 is fixedly connected to the housing of the machine tool spindle, and the power supply 51 and the electrical connector 52 are fixedly provided on the connecting portion 12. In this embodiment, the fixing ring body 11 is a clamp, the power supply 51 is screwed to the connecting portion 12, and the electrical connector 52 is bonded to the connecting portion 12 with an adhesive.

[0044] In this embodiment, the number of the first electrical connection component, the second electrical connection component 53 and the conductive component 6 are all two, the two first electrical connection components and the two second electrical connection components 53 are arranged in a one-to-one correspondence, the two electrical plugs 531 are plugged into the slots 521 of the two electrical connectors 52 in a one-to-one correspondence, and the two conductive components 6 and the two second electrical connection components 53 are arranged in a one-to-one correspondence and electrically connected. This realizes the electrical connection between the power supply 51 and the transducer 4. Figure 1 and Figure 3As shown, the ultrasonic power device also includes a plug 7. Two electrical connectors 52 are connected to the two electrodes of the plug 7 via leads, and the two electrodes of the plug 7 are connected to the positive and negative poles of the power supply 51 via leads. The plug 7 can control the connection and disconnection between the power supply 51 and the transducer 4. In this embodiment, the plug 7 is an aviation plug. Aviation plugs feature fast connection and disconnection, good environmental resistance, high reliability, and suitability for connecting high-current power supply systems. In other embodiments, other types of plugs can be used for the plug 7 depending on the actual operating conditions.

[0045] Preferably, at least the portion of the connecting portion 12 that contacts the electrical connector 52 is provided with an insulating layer, thereby ensuring that the electrical connector 52 can work effectively and further improving the safety of the ultrasonic power device.

[0046] Specifically, if Figure 1-3 As shown, the housing 3 is provided with a slot 31, in which the electrical plug 531 partially slides. The second electrical connection assembly 53 also includes a first elastic member 532, the two ends of which are respectively attached to the bottom wall of the slot 31 and the electrical plug 531. It is understood that the first elastic member 532 is always in a compressed state. When the electrical plug 531 is excessively inserted into the slot 521, the first elastic member 532 is compressed, and the portion of the electrical plug 531 retracted into the slot 31 increases. Simultaneously, the elastic restoring force of the first elastic member 532 drives the portion of the electrical plug 531 retracted into the slot 31 out of the slot 31 along the extension direction of the slot 31. In this embodiment, the electrical plug 531 is cylindrical, and the end of the electrical plug 531 that engages with the slot 521 is hemispherical. The slot 521 is cylindrical, and the bottom of the slot 521 is hemispherical. This ensures that the electrical plug 531 can be inserted into the slot 521 efficiently and quickly.

[0047] Specifically, if Figure 1-3 As shown, one of the electrical plug 531 and the inner wall of the chute 31 is provided with a limiting surface, and the other is provided with a limiting structure 5311. Along the sliding direction of the electrical plug 531, the limiting surface can abut against the limiting structure 5311. This arrangement prevents the electrical plug 531 from falling out of the chute 31, thereby ensuring that the electrical plug 531 can be effectively inserted into the slot 521. In this embodiment, the inner wall of the chute 31 is provided with a limiting surface, and the electrical plug 531 is provided with a limiting structure 5311, wherein the limiting structure 5311 is an annular protrusion disposed around the electrical plug 531. As an alternative, the inner wall of the chute 31 is provided with a limiting structure 5311, and the electrical plug 531 is provided with a limiting surface, wherein the limiting structure 5311 is an annular protrusion disposed around the inner wall of the chute 31.

[0048] More specifically, an insulating layer is provided on the inner wall of the chute 31, thereby ensuring that the electric plug 531 can work effectively and further improving the safety of the ultrasonic power device.

[0049] Among them, such as Figure 1 As shown, the first conductive assembly includes a conductive ring 61 fixedly mounted on the rotor 2, and the second conductive assembly 62 includes a conductive wheel 621 that is rollingly connected to the conductive ring 61. The conductive ring 61 is electrically connected to the transducer 4, and the conductive wheel 621 is electrically connected to the electrical plug 531. The electrical plug 531 is plugged into the slot 521 of the electrical connector 52, thereby electrically connecting the transducer 4 and the power supply 51 through the conductive assembly 6. The conductive wheel 621 is arranged to roll on the conductive ring 61, which effectively reduces friction between the conductive wheel 621 and the conductive ring 61, thereby effectively preventing wear and sparking caused by sliding between the conductive wheel 621 and the conductive ring 61. This improves the service life and safety of the conductive assembly 6, and thus improves the service life and safety of the ultrasonic power device.

[0050] Specifically, the conductive ring 61 is made of a metal material, and the conductive wheel 621 is made of a conductive metal material or a non-metal material. In this embodiment, the conductive ring 61 is a copper ring.

[0051] Specifically, an insulating layer is provided on at least the portion of rotor 2 that contacts conductive ring 61. This prevents current from flowing through rotor 2 and ensures the proper functioning of conductive ring 61. In this embodiment, the insulating layer is made of tetrafluoroethylene. In other embodiments, the insulating layer may be made of other insulating materials.

[0052] The conductive ring 61 is interference-fitted on the rotor 2 or bonded to the rotor 2. Thus, when the machine tool spindle drives the rotor 2 to rotate, the conductive ring 61 rotates synchronously with the rotor 2, so that the conductive wheel 621 rolls on the conductive ring 61.

[0053] Among them, such as Figure 1 and Figure 4 As shown, the second conductive component 62 further includes a bracket 622, the conductive wheel 621 is rotatably connected to the bracket 622, and the bracket 622 is detachably connected to the housing 3. Thus, the setting position of the conductive wheel 621 is fixed to ensure that the conductive wheel 621 can effectively roll on the conductive ring 61. Specifically, the bracket 622 and the housing 3 are both made of insulating materials. Figure 1 and Figure 4As shown, the second conductive component 62 further includes a second elastic member 623 and an adjusting member 624. The bracket 622 is provided with a first through hole. The adjusting member 624 sequentially passes through the second elastic member 623 and the first through hole and is threadedly connected to the housing 3. It is understandable that the two ends of the second elastic member 623 abut against the adjusting member 624 and the housing 3, respectively. When the contact tightness between the conductive wheel 621 and the conductive ring 61 needs to be adjusted, the second elastic member 623 is compressed or relaxed by screwing the adjusting member 624. The elastic restoring force of the second elastic member 623 can drive the bracket 622 closer to the housing, thereby driving the conductive wheel 621 disposed on the bracket 622 closer to the conductive ring 61, so as to adjust the contact tightness between the conductive wheel 621 and the conductive ring 61.

[0054] Among them, such as Figure 1 As shown, the rotor 2 is provided with a second through hole 21, one end of the lead is connected to the transducer 4, and the other end passes through the second through hole 21 and is connected to the conductive ring 61. Thus, the conductive ring 61 and the transducer 4 are electrically connected through the lead.

[0055] Among them, such as Figure 1 As shown, the ultrasonic power device further includes two bearings 8, which are spaced apart and arranged on the rotor 2 along the axial direction of the rotor 2. The inner rings of the two bearings 8 are interference-fitted onto the rotor 2, and the outer rings of the two bearings 8 are fixedly connected to the inner wall of the housing 3. Specifically, in this embodiment, a cylindrical accommodating cavity is provided on the portion of the housing 3 for rotational connection with the rotor 2. The end of the rotor 2 away from the machine tool spindle is located within the accommodating cavity. The outer rings of the two bearings 8 are interference-fitted onto the side walls of the accommodating cavity to achieve rotational connection of the rotor 2 to the housing 3, thereby enabling the machine tool spindle to drive the rotor 2, transducer 4, and tool to rotate synchronously.

[0056] Among them, such as Figure 1 and Figure 2 As shown, the ultrasonic power device also includes a cover 9. The housing 3 has an opening. The cover 9 is detachably connected to the housing 3 and can close the opening. In this embodiment, there are two openings and covers 9, which are opposite each other and spaced apart. The two covers 9 correspond to the two openings and can close both openings. This facilitates assembly of the rotor 2 to the housing 3. The cover 32 is screwed to the housing 3. In other embodiments, the cover 9 can also be welded or riveted to the housing 3.

[0057] The specific structure of the transducer 4 belongs to the prior art, and the connection structure between the transducer 4 and the tool belongs to the prior art, which will not be described in detail here.

[0058] The present invention also provides an ultrasonic tool system, which includes the ultrasonic power device mentioned above.

[0059] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. An ultrasonic power device for assembly on a machine tool spindle, characterized in that: include: A fixing ring (1), a rotor (2) and a housing (3), wherein the fixing ring (1) is fixedly connected to the housing of the machine tool spindle, the rotor (2) is rotatably connected to the housing (3), and the rotor (2) can be connected to the machine tool spindle; a transducer (4), the transducer (4) being fixedly connected to the rotor (2), and the transducer (4) being used to connect to a tool; An electrical connection assembly, comprising a power supply (51) fixedly disposed on the fixing ring (1) and a first electrical connection assembly, and a second electrical connection assembly (53) disposed on the housing (3), wherein the first electrical connection assembly is electrically connected to the power supply (51), and the second electrical connection assembly (53) is pluggable into the first electrical connection assembly; A conductive component (6), the conductive component (6) comprising a first conductive component fixedly disposed on the rotor (2), and a second conductive component (62) fixedly disposed on the housing (3), the first conductive component and the second conductive component (62) being rollingly connected, the first conductive component and the transducer (4) being electrically connected, and the second conductive component (62) being electrically connected to the second electrical connection component; The first conductive component comprises a conductive ring (61) fixedly sleeved on the rotor (2), and the second conductive component (62) comprises a conductive wheel (621) rollingly connected to the conductive ring (61); The second conductive component (62) further includes a bracket (622), the conductive wheel (621) is rotatably connected to the bracket (622), and the bracket (622) is detachably connected to the housing (3); The second conductive component (62) further includes a second elastic member (623) and an adjusting member (624). The bracket (622) is provided with a first through hole. The adjusting member (624) passes through the second elastic member (623) and the first through hole in sequence and is threadedly connected to the housing (3). The two ends of the second elastic member (623) are respectively in contact with the adjusting member (624) and the housing (3). When the contact tightness between the conductive wheel (621) and the conductive ring (61) needs to be adjusted, the adjusting member (624) is screwed to compress or relax the second elastic member (623). The elastic restoring force of the second elastic member (623) can drive the bracket (622) close to the housing, thereby driving the conductive wheel (621) provided on the bracket (622) close to the conductive ring (61), so as to adjust the contact tightness between the conductive wheel (621) and the conductive ring (61).

2. The ultrasonic power device according to claim 1, characterized in that: The first electrical connection component comprises an electrical connector (52) fixedly arranged on the fixing ring (1), the electrical connector (52) being electrically connected to the power supply (51), and the electrical connector (52) being provided with a slot (521); the second electrical connection component (53) comprises an electrical plug (531) slidably connected to the housing (3), the electrical plug (531) being electrically connected to the second conductive component (62), and the electrical plug (531) being elastically plugged into the slot (521).

3. The ultrasonic power device according to claim 2, characterized in that: The housing (3) is provided with a slide groove (31), and the electrical plug (531) is partially slidably located in the slide groove (31). The second electrical connection component (53) further includes a first elastic member (532), and the two ends of the first elastic member (532) are respectively connected to the bottom wall of the slide groove (31) and the electrical plug (531).

4. The ultrasonic power device according to claim 3, characterized in that: One of the inner walls of the electric plug (531) and the sliding groove (31) is provided with a limiting surface, and the other is provided with a limiting structure (5311). Along the sliding direction of the electric plug (531), the limiting surface can abut against the limiting structure (5311).

5. The ultrasonic power device according to claim 2, characterized in that: The conductive ring (61) is electrically connected to the transducer (4), and the conductive wheel (621) is electrically connected to the electrical plug (531).

6. The ultrasonic power device according to claim 5, characterized in that: The rotor (2) is provided with a second through hole (21); one end of a lead wire is connected to the transducer (4), and the other end passes through the second through hole (21) and is connected to the conductive ring (61).

7. The ultrasonic power device according to claim 5, characterized in that: At least the portion of the rotor (2) that contacts the conductive ring (61) is provided with an insulating layer.

8. An ultrasonic tool system, characterized in that: The ultrasonic electric energy device comprises any one of claims 1 to 7.

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