Wireless transmission device

Abstract

The utility model relates to mechanical processing technical field discloses a wireless transmission device, and wireless power supply unit includes upper board, lower board and side plate, the upper board with lower board opposite arrangement and located the both ends of side plate, the outside of upper board with lower board is connected with the both end surface of side plate respectively, upper board and lower board both are square board structure, upper board and lower board all include the inside relative the outside setting, the inside all recesses form arc surface to the outside direction. The utility model can reduce the size of power supply unit and then reduce the overall size of transmission device, and the convenient installation and cooperation improve the work efficiency of device.

Description

Technical Field

[0001] This utility model relates to the field of mechanical processing technology, and more specifically, to a wireless transmission device. Background Technology

[0002] Compared with conventional cutting, grinding, and drilling methods, ultrasonic vibration machining can reduce cutting forces and heat during the machining process, reduce tool wear, and improve the surface quality, making it widely used in machining hard and brittle materials. Currently, ultrasonic vibration machining generally transmits power wirelessly between the power supply module of the ultrasonic system and the power receiving module on the tool holder. However, existing power supply modules use a fan-shaped structure coaxial with the tool holder, making the coil inside the power supply module difficult to machine, and the overall size of the power supply module is also relatively large. When the tool holder is fixed, it can cause interference with the tool holder, preventing automatic tool changing. Summary of the Invention

[0003] The purpose of this invention is to address the technical problems existing in the prior art by providing a wireless transmission device that can reduce the size of the power supply unit and thus the overall size of the transmission device, making it easier to install and coordinate, and improving the working efficiency of the device.

[0004] To solve the problems mentioned above, the technical solution adopted by this utility model is as follows: This utility model provides a wireless power supply unit, including an upper plate, a lower plate, and a side plate. The upper plate and the lower plate are arranged opposite to each other and located at both ends of the side plate. The outer surfaces of the upper plate and the lower plate are respectively connected to the two end surfaces of the side plate. Both the upper plate and the lower plate are square plate structures. Both the upper plate and the lower plate include an inner side that is disposed opposite to the outer side. The inner side is recessed towards the outer side to form an arc-shaped surface.

[0005] Furthermore, the side plate is an arc-shaped plate structure or a flat plate structure for winding the coil.

[0006] Furthermore, the upper plate and the lower plate are arranged in parallel.

[0007] Furthermore, the outer surfaces of both the upper and lower plates bulge outward in a direction away from the inner surface, forming arc-shaped surfaces, and the outer and inner surfaces have the same curvature and length.

[0008] Furthermore, the central angle corresponding to the arc-shaped surface structures of the upper and lower plates is θ, which satisfies 0°<θ≤180°.

[0009] This utility model also provides a wireless transmission device, including the aforementioned wireless power supply unit, skeleton module, housing and coil, wherein the housing is provided with a receiving cavity, and the wireless power supply unit and skeleton module are sequentially arranged in the receiving cavity; The skeleton module includes a first skeleton and a second skeleton, which are arranged facing each other and located on opposite sides of the wireless power supply unit; the coil is wound sequentially around the side plate of the wireless power supply unit, the first skeleton, and the second skeleton.

[0010] Furthermore, both the first frame and the second frame are right-angled structures. The first frame and the second frame are symmetrically arranged on both sides of the wireless power supply unit and form a U-shaped structure. The inner sides of the upper plate and the lower plate are located away from the first frame and the second frame.

[0011] Furthermore, the housing is provided with a mounting base, which is located on one side of the receiving cavity; the mounting base is provided with a wire passage hole communicating with the receiving cavity.

[0012] Furthermore, the side of the housing away from the mounting base is recessed towards the mounting base to form a concave surface, and a transition surface is provided between the concave surface and the adjacent side surface; the concave surface corresponds to the inner side surface of both the upper plate and the lower plate, and the concave surface and the inner side surface have the same curvature.

[0013] Furthermore, the height of the receiving cavity is greater than the height of the mounting base.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: The wireless power supply unit of this utility model includes an upper plate, a lower plate, and a side plate. The upper plate and the lower plate adopt a square plate structure, and the inner side of both are recessed towards the outer side to form an arc-shaped surface. Compared with the fan-shaped plate structure, the size of the wireless power supply unit can be reduced, making it easier to install and fit together.

[0015] The wireless transmission device of this utility model includes a wireless power supply unit, a skeleton module, a housing, and a coil. The skeleton module includes a first skeleton and a second skeleton, which facilitates installation and cooperation with the wireless power supply unit, facilitates coil winding processing, further reduces the overall installation volume, avoids interference caused by automatic tool changing under a fixed tooling bracket, reduces failure rate and cost, and simplifies assembly method and process. Attached Figure Description

[0016] 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: Figure 1 This is a schematic diagram of the wireless power supply unit in this utility model.

[0017] Figure 2 This is a schematic diagram of the wireless transmission device in this utility model.

[0018] Figure 3 This is a front view of the wireless transmission device in this utility model.

[0019] Among them, 100-wireless power supply unit, 200-wireless transmission device, 10-upper plate, 20-lower plate, 30-side plate, 40-skeleton module, 50-shell, 60-coil, 41-first skeleton, 42-second skeleton, 51-accommodating cavity, 52-mounting base, 511-side, 512-transition surface. Detailed Implementation

[0020] 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.

[0021] 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.

[0022] 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.

[0023] See Figure 1As shown, this utility model provides a wireless power supply unit 100, including an upper plate 10, a lower plate 20, and a side plate 30. The upper plate 10 and the lower plate 20 are arranged opposite each other and are located on both sides of the side plate 30. The same side of the upper plate 10 and the lower plate 20 are respectively fixedly connected to the two end faces of the side plate 30 to form a U-shaped structure. That is, the outer side of the upper plate 10 is fixedly connected to the upper end face of the side plate 30, and the outer side of the lower plate 20 is fixedly connected to the lower end face of the side plate 30, thereby forming a U-shaped structure.

[0024] Both the upper plate 10 and the lower plate 20 are square plate structures. In order to facilitate pairing with the wireless receiving unit to achieve wireless energy transmission, and the wireless receiving unit usually adopts a ring structure set on the outer periphery of the tool holder, the inner surfaces of both the upper plate 10 and the lower plate 20 are concave towards the outer surface to form an arc surface, that is, the wireless transmitting unit and the wireless receiving unit can form an inner and outer ring structure.

[0025] Specifically, the upper plate 10 and the lower plate 20 adopt a square plate structure, which can reduce the overall installation volume of the wireless power supply unit 100 compared with the existing fan-shaped plate structure, making installation and coordination easier. When the tooling bracket is fixed, interference with the tool holder is avoided, thus improving the working performance of the wireless power supply unit 100.

[0026] Furthermore, the side plate 30 is an arc-shaped plate structure for winding the coil, that is, the inner surfaces of the upper plate and the lower plate 20 are also arc-shaped. Compared with the flat plate structure of the side plate 30, the arc-shaped plate structure of the side plate 30 has a larger area. When the overall size of the wireless power supply unit 100 is small, since the wireless power supply unit 100 is usually a ferrite structure, the magnetic field strength of the side plate 30 can be improved, thereby ensuring the working efficiency of the wireless power supply unit 100.

[0027] Understandably, in other embodiments, the side plate 30 may adopt a flat plate structure. Since the coil is wound around the side plate 30, that is, the wound coil has the same curvature as the side plate 30, the flat plate structure of the side plate 30 is simpler and easier to wind the coil on the side plate 30 compared with the curved plate structure, provided that the magnetic field strength meets the actual needs.

[0028] Furthermore, the upper plate 10 and the lower plate 20 are arranged in parallel. This parallel arrangement can reduce the radial dimension, that is, the cross-sectional area utilization of the wireless power supply unit 100 is high, and its corresponding tool holder length is shortened, that is, the volume is smaller and the weight is reduced, thereby reducing vibration energy loss.

[0029] The upper plate 10 and the lower plate 20 have equal lengths and widths, meaning their areas are equal, which further increases the magnetic flux and thus improves transmission efficiency. Since the wireless power supply unit 100 is fixedly mounted on the spindle or machine tool, it is necessary to avoid interfering with the tool changing trajectory. Furthermore, to maximize the magnetic core area, chamfers are provided at both ends of the upper plate 10 and the lower plate 20.

[0030] Furthermore, the upper plate 10, lower plate 20, and side plate 30 can be integrally molded, simplifying the manufacturing process and thus reducing production costs. In order to match and correspond with the external wireless receiving unit, the inner surfaces of the upper plate 10 and lower plate 20 form an arc-shaped surface structure, that is, an inner and outer ring structure, and the outer and inner surfaces of the upper plate 10 and lower plate 20 have the same curvature and length.

[0031] Furthermore, to avoid affecting transmission efficiency and interference during actual tool changing, the central angle between the arc-shaped surfaces of the upper plate 10 and the lower plate 20 is θ, satisfying 0°<θ≤180°. Specifically, θ can take values ​​of 5°, 30°, 60°, 90°, 120°, 150°, 180°, or any value within the aforementioned range, all of which can guarantee the transmission efficiency of the wireless power supply unit 100.

[0032] See Figure 2 and Figure 3 As shown, the present invention also provides a wireless transmission device 200, including a wireless power supply unit 100, a skeleton module 40, a housing 50, and a coil 60, wherein the skeleton module 40 includes a first skeleton 41 and a second skeleton 42. The housing 50 is provided with a receiving cavity 51, in which a wireless power supply unit 100 and a skeleton module 40 are arranged in sequence; the first skeleton 41 and the second skeleton 42 are arranged facing each other and located on opposite sides of the wireless power supply unit 100; the coil 60 is wound in sequence on the side plate 30 of the wireless power supply unit 100, the first skeleton 41 and the second skeleton 42.

[0033] Specifically, the skeleton module 40 adopts a first skeleton 41 and a second skeleton 42 facing each other on both sides of the wireless power supply unit 100. Compared with the skeleton module 40 adopting an integrated structure, it is convenient to cooperate with the wireless power supply unit 100 for installation, and it is also convenient for the coil 60 to be wound on the skeleton module 40 and the wireless power supply unit 100, which simplifies the winding process and can improve the compactness of the overall structure and reduce the volume of the overall structure.

[0034] Furthermore, the housing 50 is provided with a mounting base 52, which is located on one side of the receiving cavity 51. The mounting base 52 facilitates the wireless transmission device 200 to cooperate with an external spindle or machine tool to achieve wireless energy transmission. The mounting base 52 is provided with a wire through hole 53 that communicates with the receiving cavity 51, so that the coil 60 can be wound and passed through.

[0035] Furthermore, the first frame 41 and the second frame 42 are both right-angled structures. The first frame 41 and the second frame 42 are symmetrically arranged on both sides of the wireless power supply unit 100 and form a U-shaped structure. The inner sides of the upper plate 10 and the lower plate 20 are set away from the first frame 41 and the second frame 42, which facilitates the winding of the coil 60 on the side plate 30, the first frame 41 and the second frame 42, and also reduces the volume of the frame module 40, thereby reducing the overall size of the wireless transmission device 200.

[0036] Furthermore, the side 511 of the housing 50 away from the mounting base 52 is recessed towards the mounting base 52 to form a concave surface 511, and a transition surface 512 is also provided between the concave surface 511 and the adjacent side. The concave surface 511 corresponds to the inner side of both the upper plate 10 and the lower plate 20, and the concave surface 511 and the inner side have the same curvature. The wireless power supply unit 100 can be reliably installed in the receiving cavity 51, and the volume of the housing 50 can also be reduced, further reducing the overall volume of the wireless transmission device 200.

[0037] Furthermore, the height of the receiving cavity 51 is greater than the height of the mounting base 52, which reduces the overall axial length of the mounting base 52 after it is installed with the external spindle or machine tool, thus avoiding interference during operation; it also allows the receiving cavity 51 to protect the internal wireless power supply unit 100, improving the reliability of the wireless transmission device 200.

[0038] The wireless transmission device 200 of this utility model is mounted on the fixed bracket of the external spindle or machine tool and is located on the outer periphery of the tool holder, corresponding to the position of the wireless receiving unit to form an ultrasonic machining system. The concave surface 511 of the housing 50 is located on the outer periphery of the tool holder. After the wireless power supply unit 100 is equipped with the coil 60, it transmits a signal. The wireless receiving unit on the tool holder converts the sensed signal into a high-frequency electrical signal and transmits it to the ultrasonic transducer on the tool holder. The ultrasonic transducer is used to convert the frequency electrical signal into a high-frequency mechanical vibration by utilizing the piezoelectric inverse effect of the piezoelectric vibrator. The mechanical vibration is amplified and transmitted to the cutting tool to process the workpiece through the amplitude transformer. In this way, it can be used with traditional ordinary machine tools to realize ultrasonic machining, realize the rotary ultrasonic machining mode, has a wide range of applications, and is simpler in structure and lower in price than traditional ultrasonic machining machine tools.

[0039] The wireless power supply unit 100 and wireless transmission device 200 of this utility model are small in size and easy to install. They also simplify the winding process of the coil 60, improve work efficiency, and have a simple overall structure and functions.

[0040] 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. A wireless transmission device, characterized in that: The device includes a wireless power supply unit, a frame module, a housing, and a coil. The housing has a receiving cavity, in which the wireless power supply unit and the frame module are sequentially arranged. The wireless power supply unit includes an upper plate, a lower plate, and a side plate. The upper plate and the lower plate are arranged opposite each other and located at both ends of the side plate. The outer surfaces of the upper plate and the lower plate are respectively connected to the two end faces of the side plate. The skeleton module includes a first skeleton and a second skeleton, which are arranged facing each other and located on opposite sides of the wireless power supply unit; the coil is wound sequentially around the side plate of the wireless power supply unit, the first skeleton, and the second skeleton.

2. The wireless transmission device according to claim 1, characterized in that: Both the first frame and the second frame are right-angled structures. The first frame and the second frame are symmetrically arranged on both sides of the wireless power supply unit and form a U-shaped structure. The inner sides of the upper plate and the lower plate are located away from the first frame and the second frame.

3. The wireless transmission device according to claim 1 or 2, characterized in that: The housing is provided with a mounting base, which is located on one side of the receiving cavity; the mounting base is provided with a wire passage hole that communicates with the receiving cavity.

4. The wireless transmission device according to claim 3, characterized in that: The side of the housing away from the mounting base is recessed towards the mounting base to form a concave surface, and a transition surface is provided between the concave surface and the adjacent side surface; the concave surface corresponds to the inner side surface of both the upper plate and the lower plate, and the concave surface and the inner side surface have the same curvature.

5. The wireless transmission device according to claim 3, characterized in that: The height of the receiving cavity is greater than the height of the mounting base.

6. The wireless transmission device according to claim 1, characterized in that: Both the upper plate and the lower plate are square plate structures. Both the upper plate and the lower plate include an inner side surface that is disposed opposite to the outer side surface. The inner side surface is recessed towards the outer side surface to form an arc-shaped surface. The outer side surface of both the upper plate and the lower plate is convex outward in a direction away from the inner side surface to also form an arc-shaped surface. The side plate is an arc-shaped plate structure for winding coils.

7. The wireless transmission device according to claim 6, characterized in that: The upper plate and the lower plate are arranged in parallel.

8. The wireless transmission device according to claim 6, characterized in that: The outer surface and the inner surface both have the same curvature and length.

9. The wireless transmission device according to claim 6, characterized in that: The central angle corresponding to the arc-shaped surface structures of the upper and lower plates is θ, which satisfies 0°<θ≤180°.

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