Ultrasonic torque welding structure

Abstract

The utility model discloses an ultrasonic torque welding structure. The ultrasonic torque welding structure comprises a mounting frame, a transducer and a welding head, a mounting frame comprises a main body part and mounting rods which integrally extend outwards from the left side and the right side of the main body part, and each side of the main body part comprises two mounting rods which are arranged in a front-back spaced mode; the number of the matched transducers is four, and each transducer is arranged on the corresponding mounting rod; the welding head is arranged on the main body part, and the extension direction of the welding head is perpendicular to the extension direction of the mounting rod and the transducer; according to the rotary welding device, the four different transducers are matched to drive the mounting frame and the welding head to perform rotary welding during welding, an existing vertical vibration welding mode is replaced, the rotary welding device can be applied to the welding process of thinner products, the use limitation is smaller, and the welding requirements of different products can be met.

Description

Technical Field

[0001] This utility model relates to the field of ultrasonic welding technology, and in particular to an ultrasonic torque welding structure. Background Technology

[0002] Ultrasonic welding converts a 50 / 60 Hz current into 15, 20, 30, or 40 kHz electrical energy using an ultrasonic generator. This high-frequency electrical energy is then converted into mechanical motion of the same frequency by a transducer. This mechanical motion is then transmitted to the welding head via an amplitude converter. The welding head transfers the received vibrational energy to the joint of the workpieces to be welded, where the vibrational energy is converted into heat energy through friction, melting the plastic. Ultrasonic waves can be used not only to weld hard thermoplastics but also to process fabrics and films, and can also be used for welding metals. The transducer is a crucial component that provides energy to the ultrasonic welding head.

[0003] Existing ultrasonic welding heads achieve the welding process by using a transducer to drive the welding head to vibrate up and down. However, this welding method can only be used for products with a certain thickness. When the product is thin, it is easy to damage the product during the welding process, which greatly limits its use and cannot meet the welding needs of different products. Therefore, it is necessary to study a new technical solution to solve the above problems. Utility Model Content

[0004] In view of this, the present invention addresses the shortcomings of the existing technology and its main objective is to provide an ultrasonic torque welding structure that can effectively solve the problems of existing ultrasonic welding structures being unable to weld thinner products, having large limitations in use, and being unable to meet the welding needs of different products.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An ultrasonic torque welding structure includes a mounting frame, transducers, and a welding head. The mounting frame includes a main body and mounting rods extending outward integrally from the left and right sides of the main body. Each side of the main body includes two mounting rods arranged at intervals, and a support rod connects adjacent mounting rods. Four transducers are provided, each mounted on a corresponding mounting rod. The welding head is mounted on the main body, and the extension direction of the welding head is perpendicular to the extension directions of the mounting rods and the transducers.

[0007] As a preferred embodiment, the main body has a first fixing hole, the upper end of the welding head includes a connecting part, the upper end face of the connecting part has a second fixing hole that mates with the first fixing hole, and a fixing bolt passes through the first fixing hole and the second fixing hole in sequence to fix the welding head on the main body.

[0008] As a preferred option, the output of each transducer is connected to the end of the mounting rod.

[0009] As a preferred embodiment, the welding head is recessed and formed with stress grooves extending spirally upwards and downwards, and the stress grooves are multiple grooves arranged at equal angles along the sidewall of the welding head.

[0010] As a preferred embodiment, the upper end of the welding head has an integrally extended annular heat dissipation section, and the heat dissipation section has multiple heat dissipation grooves arranged at equal angles.

[0011] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution:

[0012] The mounting frame includes a main body and mounting rods extending outward from both sides of the main body. Each side of the main body includes two mounting rods arranged at intervals. Four transducers are provided, each mounted on a corresponding mounting rod. The welding head is located on the main body, and the extension direction of the welding head is perpendicular to the extension direction of the mounting rods and the transducers. During welding, the four different transducers work together to drive the mounting frame and the welding head to rotate and weld, replacing the existing up-and-down vibration welding method. This allows it to be applied to the welding process of thinner products, reduces its limitations, and meets the welding needs of different products.

[0013] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a preferred embodiment of the present utility model;

[0015] Figure 2 This is an exploded view of a preferred embodiment of the present invention;

[0016] Figure 3 This is a partial structural schematic diagram of the welding head in a preferred embodiment of the present invention.

[0017] Explanation of reference numerals in the attached diagram:

[0018] 10. Mounting bracket 101. First fixing hole

[0019] 11. Main body 12. Mounting rod

[0020] 13. Support rod; 20. Transducer

[0021] 30. Welding head 301. Second fixing hole

[0022] 302, stress groove; 303, heat dissipation groove

[0023] 31. Connecting part; 32. Fixing bolt

[0024] 33. Heat dissipation section. Detailed Implementation

[0025] Please refer to Figures 1 to 3 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, including a mounting bracket 10, a transducer 20, and a welding head 30.

[0026] The mounting bracket 10 includes a main body 11 and mounting rods 12 extending outward integrally from the left and right sides of the main body 11. Each side of the main body 11 includes two mounting rods 12 arranged at intervals. A support rod 13 connects adjacent mounting rods 12. The mounting rods 13 increase the structural stability between adjacent mounting rods 12 on each side, preventing damage to the structural stability of the mounting rods 12 under the operation of the transducer 20, and ensuring the welding effect. In this embodiment, a first fixing hole 101 is provided on the main body 11.

[0027] Four transducers 20 are configured, each mounted on a corresponding mounting rod 12. These transducers, along with two mounting rods 12 spaced apart on each side of the main body 11, allow the transducers 20 to be distributed simultaneously on both sides of the main body 11. This enables simultaneous action from both sides during welding, resulting in a more stable torsional welding process compared to transducers mounted on only one side. Furthermore, the four transducers 20 allow for greater overall welding power, further reducing limitations in their application. In this embodiment, the output end of each transducer 20 is connected to the end of the mounting rod 12, ensuring that the output of the transducer 20 directly acts on the end of the mounting rod 12, thus avoiding energy waste.

[0028] The welding head 30 is mounted on the main body 11, and its extension direction is perpendicular to the extension directions of the mounting rod 12 and the transducer 20. This prevents the welding head 30 from being subjected to forces from other directions during operation, further ensuring the quality of the weld. In this embodiment, the upper end of the welding head 30 includes a connecting portion 31. The upper surface of the connecting portion 31 has a second fixing hole 301 that mates with the first fixing hole 101. A fixing bolt passes through the first fixing hole 101 and the second fixing hole 301 in 32 passes to fix the welding head 30 onto the main body 11. The welding head 30 has internally recessed stress grooves 302 that extend spirally upwards and downwards. Multiple stress grooves 302 are arranged at equal angles along the sidewall of the welding head 30. These stress grooves 302 are used to reduce the internal stress of the welding head 30 during operation, preventing damage to the welding head 30 due to stress and ensuring the service life of the welding head 30. The upper end of the welding head 30 extends outward in an annular heat dissipation part 33. Multiple heat dissipation grooves 303 arranged at equal angles pass through the heat dissipation part 33. The heat dissipation part 33 is used to dissipate the heat generated by the welding head 30 during operation, so as to avoid heat accumulation inside the welding head 30. At the same time, the multiple heat dissipation grooves 303 are arranged to increase its heat dissipation efficiency.

[0029] The key design feature of this invention is as follows: the mounting frame includes a main body and mounting rods extending outward from both sides of the main body. Each side of the main body includes two mounting rods arranged at intervals. Four transducers are also included, each mounted on a corresponding mounting rod. The welding head is mounted on the main body, and its extension direction is perpendicular to the extension directions of the mounting rods and transducers. During welding, the four different transducers work together to rotate the mounting frame and welding head, replacing the existing up-and-down vibration welding method. This allows it to be applied to the welding process of thinner products, reduces limitations in application, and meets the welding needs of different products.

[0030] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. An ultrasonic torque welding structure, characterized in that: It includes a mounting frame, transducers, and welding heads; the mounting frame includes a main body and mounting rods extending outward integrally from the left and right sides of the main body, each side of the main body includes two mounting rods arranged at intervals, and a support rod connects the two adjacent mounting rods; there are 4 transducers, each transducer is mounted on a corresponding mounting rod; the welding head is mounted on the main body, and the extension direction of the welding head is perpendicular to the extension direction of the mounting rods and the transducers.

2. The ultrasonic torque welding structure according to claim 1, characterized in that: The main body has a first fixing hole, and the upper end of the welding head includes a connecting part. The upper end face of the connecting part has a second fixing hole that mates with the first fixing hole. A fixing bolt passes through the first fixing hole and the second fixing hole in sequence to fix the welding head on the main body.

3. The ultrasonic torque welding structure according to claim 1, characterized in that: The output end of each transducer is connected to the end of the mounting rod.

4. The ultrasonic torque welding structure according to claim 1, characterized in that: The welding head is recessed and formed with stress grooves extending vertically and vertically. The stress grooves are multiple grooves arranged at equal angles along the side wall of the welding head.

5. The ultrasonic torque welding structure according to claim 1, characterized in that: The welding head has an integrally formed annular heat dissipation part extending outward from the upper end, and the heat dissipation part has multiple heat dissipation grooves arranged at equal angles.

Images