An ultrasonic horn
By introducing adjustment blocks and variable cooling modules on the ultrasonic amplitude rod, the frequency modulation and heat dissipation problems are solved, and efficient ultrasonic welding is achieved, which extends the service life of the equipment and improves processing efficiency.
Patent Information
- Application Number
- CN202211335504.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-10-28
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2042-10-28
AI Technical Summary
Existing ultrasonic amplitude rods are difficult to adjust frequency when the processing conditions change, and the heat dissipation effect is poor, which affects the processing quality and efficiency and has a short service life.
The adjustment block and variable cooling module are adopted to dissipate heat through the cooling shell and thermal fluid of flexible materials, and frequency regulation is achieved through the linkage of the judgment wheel, steering wheel and rack. The structure is simple and easy to use.
It significantly improves the heat dissipation effect, extends the service life, improves work efficiency, and achieves flexible frequency regulation, simple structure and reliable use.
Smart Images

Figure CN115647556B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of ultrasonic welding, and in particular to an ultrasonic horn. Background Art
[0002] Ultrasonic welding is widely used due to its advantages such as good welding effect and high efficiency. The main function of an ultrasonic horn is to amplify the ultrasonic mechanical vibration generated by an ultrasonic transducer and then transmit it to a tool; during the actual processing, when the processing conditions change, the natural frequency of the ultrasonic horn does not match the processing conditions, thus affecting the processing quality and efficiency; at this time, it is necessary to tune the ultrasonic horn. The existing technology is to install an adjusting nut on it and change its position by screwing the adjusting nut to achieve the purpose of frequency tuning. However, this method will change with the continuous vibration during work, deviate from the original set frequency, and the heat generated by vibration during work will also affect the processing effect of the equipment. At present, the heat dissipation effect of the horn is poor and it is not suitable for long-term work.
[0003] For example, the "ultrasonic horn assembly with a cylinder" disclosed in the Chinese patent literature has a publication number of CN212493800U. In this patent, an ultrasonic horn assembly with a cylinder includes a horn body, a horn cylinder, a gland, and a central retaining ring; the middle part of the horn body has the minimum position of the horn's own vibration, which is defined as the horn zero position here; a central retaining ring is sleeved on the horn zero position of the horn body, the horn cylinder is sleeved on the horn body, and the welding head of the horn body is exposed. A gland is also sleeved inside the welding head, and the gland is connected to the horn cylinder at the inner end face, and the central retaining ring is located at the connection between the gland and the horn cylinder. In this patent, the heat dissipation effect is poor, which is not conducive to long-term use, affects the service life, and increases the use cost. Summary of the Invention
[0004] In order to solve the above technical problems, the present invention provides a method that uses an adjusting block and a variable cooling module; this makes the heat dissipation effect remarkable, ensures the service life, can be used for a long time, improves the work efficiency, can achieve frequency tuning at different positions, has a simple structure, and is convenient to use.
[0005] In order to solve the above technical problems, the present invention is realized through the following technical solutions:
[0006] An ultrasonic horn includes a rod main body; an adjusting block is provided on the rod main body, and a plurality of the adjusting blocks are provided and evenly arranged around the circumference of the rod main body; a cooling module is inserted into the top of the adjusting block; wherein, the adjusting block is arranged on the circumference of the rod main body through a detachable structure; the cooling module includes a cooling shell inserted into the top of the adjusting block and extending to the outside of the adjusting block and an adjusting component for compressing the cooling shell; the part of the cooling shell located outside the adjusting block is made of a flexible material. The above-mentioned adjusting block is arranged on the circumference of the above-mentioned rod main body through the above-mentioned detachable structure, which can be conveniently adjusted to achieve amplitude variation, with a simple structure and convenient use; through the above-mentioned arrangement of the cooling shell, a heat-conducting liquid is provided inside the cooling shell, and heat exchange can be carried out through the heat-conducting liquid to improve the heat dissipation effect; the upper part of the above-mentioned cooling shell is made of a flexible material, and under the action of the above-mentioned adjusting component, it can be deformed, but the volume of the above-mentioned cooling shell remains unchanged after deformation, the heat exchange efficiency is not affected, and the deformation during the frequency modulation process will not interfere with the transducer connected to the horn, and it is flexible to use.
[0007] Further, the adjusting component includes a judgment wheel arranged on the adjusting block and rolling on the rod main body, a steering wheel adapted to the judgment wheel, and a rack adapted to the steering wheel; one end of the rack is connected to the top of the cooling shell, and the other end penetrates the cooling shell and extends to the outside of the cooling shell. During the frequency modulation process, the position is adjusted by the rolling of the above-mentioned judgment wheel on the above-mentioned rod main body. The above-mentioned judgment wheel drives the above-mentioned steering wheel and then drives the movement of the above-mentioned rack. The above-mentioned rack is connected to the top of the above-mentioned cooling shell, so that the above-mentioned cooling shell is deformed, without interfering with other components, with a simple structure, strong linkage and convenient use.
[0008] Further, a reset structure is provided on the cooling shell. It can ensure the deformation of the above-mentioned cooling shell and improve the use reliability.
[0009] Further, the reset structure includes a trapezoidal block arranged on the inner top of the cooling shell and a reset block arranged on the side of the cooling shell and abutted against the trapezoidal block; a connecting plate is provided at the bottom of the reset block; a reset spring is provided between the connecting plate and the cooling shell. During the deformation of the above-mentioned cooling shell, the above-mentioned trapezoidal block moves downward, pressing the above-mentioned reset block outwards. During the pressing process, the above-mentioned reset spring is in a stretched state. When reset is needed, under the action of the above-mentioned reset spring, the above-mentioned trapezoidal block moves upwards, with a simple structure and convenient use.
[0010] Further, a sealing body is provided between the cooling shell and the rod main body. It ensures the sealing performance and thus ensures the heat conduction efficiency.
[0011] Further, a card slot is provided at the top of the cooling housing; a baffle is inserted into the card slot. After the frequency conversion is completed, by pulling up the baffle, the heat-conducting liquid directly contacts the rod body, increasing the heat-conducting efficiency.
[0012] Further, the detachable structure is an installation hole provided on the adjustment block and a bolt adapted to the installation hole, or a magnet. The structure is simple and easy to use.
[0013] Compared with the prior art, the advantages of the present invention are: remarkable heat dissipation effect, ensuring the service life, capable of being used for a long time, improving the working efficiency, capable of realizing frequency modulation at different positions, simple structure and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a three-dimensional schematic diagram of the present invention.
[0015] Figure 2 is a three-dimensional schematic diagram of the adjustment block and the cooling module of the present invention.
[0016] Figure 3 is Figure 2 a cross-sectional view of.
[0017] Figure 4 is Figure 3 an enlarged view of part A in.
[0018] Figure 5 is Figure 2 another cross-sectional view of.
[0019] Figure 6 is Figure 5 an enlarged view of part B in.
[0020] In the figure:
[0021] 1. Rod body; 2. Adjustment block; 3. Cooling module; 4. Cooling housing; 5. Adjustment assembly; 6. Judgment wheel; 7. Steering wheel; 8. Rack; 9. Trapezoidal block; 10. Reset block; 11. Connecting plate; 12. Reset spring; 13. Card slot; 14. Baffle; 15. Installation hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The embodiments of the present invention will be described in detail below, and the examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0024] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically defined.
[0025] In the present invention, unless otherwise clearly defined and limited, the terms "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] See Figures 1-6This is an embodiment of a horn of the present invention. In this embodiment, the horn includes a rod body 1, and a plurality of adjusting blocks 2 are evenly arranged on the circumferential side of the rod body 1. In this embodiment, there are five adjusting blocks 2, and they are arranged on the rod body 1 through a detachable structure. In this embodiment, the detachable structure is a mounting hole 15 provided on the adjusting block 2 and a bolt adapted to the mounting hole 15. In other embodiments, it can also be set in other forms, such as magnet setting, which will not be elaborated here and is not limited to this; a cooling module 3 is provided on the top of the adjusting block 2. The cooling module 3 includes a cooling housing 4. The bottom of the cooling housing 4 is inserted into the top of the adjusting block 2, and the top extends to the outside of the adjusting block 2. The part located outside the adjusting block 2 is made of flexible material and deforms under the action of an adjusting assembly 5. The adjusting block 2 is arranged on the circumferential side of the rod body 1 through the detachable structure, which can be conveniently adjusted to achieve amplitude variation, with a simple structure and convenient use; through the setting of the cooling housing 4, a heat-conducting liquid is provided inside the cooling housing 4, and heat exchange can be carried out through the heat-conducting liquid to improve the heat dissipation effect; the upper part of the cooling housing 4 is made of flexible material and can deform under the action of the adjusting assembly 5. However, the volume of the cooling housing 4 remains unchanged after deformation, the heat exchange efficiency is not affected, and the deformation during the frequency modulation process will not interfere with the transducer connected to the horn, making it flexible to use.
[0027] See Figures 1-6This is an embodiment of a horn of the present invention. In this embodiment, the basic part is the same as that of the above embodiment and will not be described in detail here. In this embodiment, the adjusting assembly 5 includes a judgment wheel 6 arranged on the adjusting block 2 and rolling-connected to the rod body 1, a steering wheel 7 adapted to the judgment wheel 6, and a rack 8 adapted to the steering wheel 7. One end of the rack 8 is connected to the top of the cooling housing 4, and the other end penetrates through the cooling housing 4 and extends to the outside of the cooling housing 4. During the frequency modulation process, the position is adjusted by the rolling of the judgment wheel 6 on the rod body 1. The judgment wheel 6 drives the steering wheel 7, which in turn drives the movement of the rack 8. The rack 8 is connected to the top of the cooling housing 4, so that the cooling housing 4 deforms without interfering with other components. The structure is simple, the linkage is strong, and it is convenient to use. A reset structure is provided on the cooling housing 4. The reset structure includes a trapezoidal block 9 arranged on the inner top of the cooling housing 4 and a reset block 10 arranged on the side of the cooling housing 4 and abutting against the trapezoidal block 9. A connecting plate 11 is provided at the bottom of the reset block 10. A reset spring 12 is provided between the connecting plate 11 and the cooling housing 4, which can ensure the deformation of the cooling housing 4 and improve the reliability of use. During the deformation of the cooling housing 4, the trapezoidal block 9 moves downward and presses the reset block 10 outward. During the pressing process, the reset spring 12 is in a stretched state. When reset is needed, under the action of the reset spring 12, the trapezoidal block 9 moves upward. The structure is simple and convenient to use. In this embodiment, a sealing body is provided between the cooling housing 4 and the rod body 1 to ensure the sealing performance and thus ensure the heat conduction efficiency. A card slot 13 is provided at the top of the cooling housing 4, and a baffle 14 is inserted into the card slot 13. After the frequency conversion is completed, by pulling up the baffle 14, the heat conduction liquid directly contacts the rod body 1, increasing the heat conduction efficiency.
[0028] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present invention are covered by the patent scope of the present invention.
Claims
1. An ultrasonic horn, comprising a rod main body; characterized in that: The rod body is provided with adjusting blocks, and a plurality of the adjusting blocks are provided and evenly arranged around the circumference of the rod body; a cooling module, and the cooling module is inserted into the top of the adjusting block; wherein, the adjusting block is arranged on the circumference of the rod body through a detachable structure; the cooling module includes a cooling housing inserted into the top of the adjusting block and extending outside the adjusting block and an adjusting component for compressing the cooling housing; the part of the cooling housing located outside the adjusting block is made of a flexible material; the adjusting component includes a judgment wheel arranged on the adjusting block and rolling on the rod body, a steering wheel adapted to the judgment wheel and a rack adapted to the steering wheel; one end of the rack is connected to the top of the cooling housing, and the other end penetrates through the cooling housing and extends outside the cooling housing.
2. The ultrasonic horn according to claim 1, wherein: The cooling housing is provided with a reset structure.
3. The ultrasonic horn according to claim 2, wherein: The reset structure includes a trapezoidal block arranged on the inner top of the cooling housing and a reset block arranged on the side of the cooling housing and abutting against the trapezoidal block; a connecting plate is arranged at the bottom of the reset block; a reset spring is arranged between the connecting plate and the cooling housing.
4. The ultrasonic horn according to any one of claims 1-3, characterized in that: A sealing body is arranged between the cooling housing and the rod body.
5. The ultrasonic horn according to any one of claims 1-3, characterized in that: A clamping groove is arranged at the top of the cooling housing; a baffle is inserted into the clamping groove.
6. The ultrasonic horn according to claim 4, wherein: A clamping groove is arranged at the top of the cooling housing; a baffle is inserted into the clamping groove.
7. The ultrasonic horn according to any one of claims 1-3, characterized in that: The detachable structure is a mounting hole arranged on the adjusting block and a bolt adapted to the mounting hole, or a magnet.
8. The ultrasonic horn according to claim 4, wherein: The detachable structure is a mounting hole arranged on the adjusting block and a bolt adapted to the mounting hole, or a magnet.
Citation Information
Patent Citations
Ultrasonic amplitude transformer assembly with bobbin
CN212493800U
Temperature-adjustable storage device and adjusting method
CN113879713A
Ultrasonic efficient amplitude-change pole transduction mechanism
CN214107756U
Amplitude-change pole for ultrasonic welding machine
CN218745493U