阅读说明：本技术 一种激光辅助加热式超声波焊接装置 (Laser-assisted heating type ultrasonic welding device ) 是由 姬中华 王伟 于 2021-07-24 设计创作，主要内容包括：本发明涉及一种激光辅助加热式超声波焊接装置,包括框架、激光器、隔离器、第一扩光元件以及第二扩光元件；所述框架包括横板、连接板件以及工作板,所述框架上设置有第一反射镜和第二反射镜,所述隔离器位于激光器和第一反射镜之间,所述第一扩光元件位于第一反射镜和第二反射镜之间,所述工作板上设置有安装部和焊接机构,所述安装部和焊接机构位于第二反射镜和第二扩光元件之间,所述焊接机构位于安装部的上方。本发明提供一种激光辅助加热式超声波焊接装置,减少了焊接时间,减轻了超声波焊头的损伤,有效地保护了超声波的换能器,节约了超声能量和生产成本,拓展了可焊接工件尺寸。(The invention relates to a laser-assisted heating type ultrasonic welding device which comprises a frame, a laser, an isolator, a first light diffusion element and a second light diffusion element, wherein the laser is arranged on the frame; the frame includes diaphragm, connection plate and working plate, be provided with first speculum and second mirror on the frame, the isolator is located between laser instrument and the first speculum, first light expansion component is located between first speculum and the second mirror, be provided with installation department and welding mechanism on the working plate, installation department and welding mechanism are located the second mirror and the second expands between the light component, welding mechanism is located the top of installation department. The invention provides a laser-assisted heating type ultrasonic welding device, which reduces the welding time, lightens the damage of an ultrasonic welding head, effectively protects an ultrasonic transducer, saves the ultrasonic energy and the production cost, and expands the size of a weldable workpiece.)

1. The utility model provides a laser auxiliary heating formula ultrasonic welding device which characterized in that: comprises a frame (1), a laser (5), an isolator (6), a first light diffusion element (8) and a second light diffusion element (10); frame (1) includes diaphragm (2), connection plate (3) and working plate (4), be provided with first speculum (7) and second reflector (9) on frame (1), isolator (6) are located between laser instrument (5) and first speculum (7), first light component (8) that expands is located between first speculum (7) and second reflector (9), be provided with installation department (11) and welding mechanism (12) on working plate (4), installation department (11) and welding mechanism (12) are located second reflector (9) and second and expand between light component (10).

2. The laser-assisted heating type ultrasonic welding apparatus according to claim 1, characterized in that: the first light component (8) that expands is perpendicular with the horizontal plane, the second expands light component (10) and installation department (11) height corresponding, laser instrument (5) and isolator (6) and first speculum (7) are on a straight line, second speculum (9) are certain contained angle with connection plate (3), welding mechanism (12) are located the top of installation department (11).

3. The laser-assisted heating type ultrasonic welding apparatus according to claim 2, characterized in that: the first light expansion element (8) is an optical lens, the second light expansion element (10) is an optical reflector, the first reflector (7) and the transverse plate (2) and the connecting plate (3) are both at a certain included angle, and the first reflector (7) and the second reflector (9) are on the same straight line with the first light expansion element (8).

4. A laser-assisted heating type ultrasonic welding apparatus as set forth in claim 3, wherein: the first light expansion element (8) is a cylindrical lens, the second light expansion element (10) is a cylindrical reflector, and the transverse plate (2) is connected with the working plate (4) through the connecting plate (3).

5. The laser-assisted heating type ultrasonic welding apparatus according to claim 1, characterized in that: the first light diffusion element (8) is a concave lens, and the second light diffusion element (10) is a concave reflector.

6. The laser-assisted heating type ultrasonic welding apparatus according to claim 5, characterized in that: the first light diffusion element (8) is a concave cylindrical lens, and the second light diffusion element (10) is a concave cylindrical reflector.

7. The laser-assisted heating type ultrasonic welding apparatus according to claim 6, characterized in that: an antireflection film is arranged on the first light diffusion element (8), and an antireflection film is arranged on the second light diffusion element (10).

8. The laser-assisted heating type ultrasonic welding apparatus according to claim 5, characterized in that: the concave surface of the first light expansion element (8) faces the first reflector (7), the concave surface of the second light expansion element (10) faces the installation part (11) and the welding mechanism (12), the top edge of the concave surface of the first light expansion element (8) is vertical to the horizontal plane, and the top edge of the concave surface of the second light expansion element (10) is parallel to the horizontal plane.

Technical Field

The invention relates to the field of welding, in particular to a laser-assisted heating type ultrasonic welding device.

Background

Ultrasonic metal welding is a special method for connecting the same metal or different metals by using mechanical vibration energy of ultrasonic frequency, when the metal is subjected to ultrasonic welding, the metal does not transmit current to a workpiece or apply a high-temperature heat source to the workpiece, only under static pressure, the mechanical energy is converted into internal energy, deformation energy and limited temperature rise, and the two base metals are subjected to solid-phase welding at the recrystallization temperature.

When a conventional ultrasonic metal welding machine is used for welding a cable with a thicker workpiece or a thicker wire diameter, a high-power transducer is needed or the welding time is prolonged, so that an ultrasonic welding head can be damaged, and the transducer is saved and is easy to damage; especially when the transducer power is limited, the welder is unable to complete the welding of large workpieces even with increased operating time.

Disclosure of Invention

The purpose of the invention is: provided is a laser-assisted heating type ultrasonic welding device which solves the above problems.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a laser-assisted heating type ultrasonic welding device comprises a frame, a laser, an isolator, a first light diffusion element and a second light diffusion element; the frame includes diaphragm, connection plate and working plate, be provided with first speculum and second mirror on the frame, the isolator is located between laser instrument and the first speculum, first light expansion component is located between first speculum and the second mirror, be provided with installation department and welding mechanism on the working plate, installation department and welding mechanism are located the second mirror and the second expands between the light component.

Further, the first light expanding element is perpendicular to the horizontal plane, the second light expanding element corresponds to the height of the installation part, the laser and the isolator are in the same straight line with the first reflector, the second reflector and the connecting plate are at a certain included angle, and the welding mechanism is located above the installation part.

Further, the first light expansion element is an optical lens, the second light expansion element is an optical reflector, the first reflector and the transverse plate and the connecting plate are both at a certain included angle, and the first reflector and the second reflector are on the same straight line with the first light expansion element.

Further, the first light expansion element is a cylindrical lens, the second light expansion element is a cylindrical reflector, and the transverse plate is connected with the working plate through the connecting plate.

Further, the first light diffusing element is a concave lens, and the second light diffusing element is a concave reflector.

Further, the first light diffusing element is specifically a concave cylindrical lens, and the second light diffusing element is a concave cylindrical reflector.

Further, an antireflection film is arranged on the first light diffusing element, and an antireflection film is arranged on the second light diffusing element.

Furthermore, the concave surface of the first light expansion element faces the first reflector, the concave surface of the second light expansion element faces the installation part and the welding mechanism, the top edge of the concave surface of the first light expansion element is vertical to the horizontal plane, and the top edge of the concave surface of the second light expansion element is parallel to the horizontal plane.

The invention has the beneficial effects that: the utility model provides a laser auxiliary heating formula ultrasonic welding device, through the frame, the laser instrument, the isolator, first diffusion optical element and second diffusion optical element use of mutually supporting, realize through dispersing laser, the effect of preheating needs welded work piece with laser before ultrasonic welding, welding time has been reduced, the damage of ultrasonic bonding tool has been alleviateed, ultrasonic transducer has been protected effectively, ultrasonic energy and manufacturing cost have been practiced thrift, especially can realize that low-power ultrasonic transducer accomplishes the weldment work of big work piece, the work piece size that can weld has been expanded.

Drawings

Fig. 1 is an isometric view of the overall construction of a laser-assisted heated ultrasonic welding apparatus of the present invention.

Fig. 2 is an isometric view of another overall structure of a laser-assisted heated ultrasonic welding apparatus of the present invention.

Fig. 3 is a front view of the entire structure of a laser-assisted heating type ultrasonic welding apparatus according to the present invention.

Fig. 4 is a plan view showing the entire structure of a laser-assisted heating type ultrasonic welding apparatus according to the present invention.

In the figure: 1. a frame; 2. a transverse plate; 3. connecting the plate members; 4. a working plate; 5. a laser; 6. an isolator; 7. a first reflector; 8. a first light diffusing element; 9. a second reflector; 10. a second light diffusing element; 11. an installation part; 12. and (7) a welding mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a laser-assisted heating type ultrasonic welding apparatus includes a frame 1, a laser 5, an isolator 6, a first light diffusing element 8, and a second light diffusing element 10; frame 1 includes diaphragm 2, connecting plate 3 and working plate 4, be provided with first speculum 7 and second reflector 9 on the frame 1, first speculum 7 and second reflector 9 are planar circular lens for the direction of transfer of adjustment laser, isolator 6 is located between laser instrument 5 and the first speculum 7, is used for making laser one-way to pass through, prevents that light reflection from returning laser instrument 5, causes the damage of laser instrument 5, laser instrument 5 model specifically is SFM70E, isolator 6 model specifically does: IO-8-1064-VHP, first light diffusion component 8 is located between first speculum 7 and the second mirror 9, be provided with installation department 11 and welding mechanism 12 on the working plate 4, installation department 11 is used for placing the lower part that needs ultrasonic bonding's work piece, welding mechanism 12 is used for the installation to need the upper portion of ultrasonic bonding's work piece to provide welded heat, installation department 11 and welding mechanism 12 are located the second mirror 9 and the second light diffusion component 10 between, laser instrument 5 and welding mechanism 12 all with external control system electric connection.

First light element 8 and the horizontal plane of expanding are perpendicular for reach best effect, the second expands light element 10 and 11 height correspondences of installation department, is used for guaranteeing that laser can be by abundant utilization, laser instrument 5 and isolator 6 and first speculum 7 are on a straight line, second speculum 9 is certain contained angle with connecting plate 3, welding mechanism 12 is located the top of installation department 11.

The first light expansion element 8 is an optical lens and is used for ensuring that laser can completely pass through the first light expansion element 8, the model of the first light expansion element 8 is specifically LK1336L1-C, the second light expansion element 10 is an optical reflector and is used for ensuring that the laser can be completely reflected by the second light expansion element 10, the model of the second light expansion element 10 is specifically CCM254-025-P01, the first reflector 7, the transverse plate 2 and the connecting plate 3 form a certain included angle, the first reflector 7 and the second reflector 9 and the first light expansion element 8 are on the same straight line, the model of the first reflector 7 is specifically BBSQ05-E03, and the model of the second reflector 9 is specifically BB 2-E03.

The first light expansion element 8 is a cylindrical lens, the second light expansion element 10 is a cylindrical reflector, and the transverse plate 2 is connected with the working plate 4 through the connecting plate 3.

The first light diffusing element 8 is a concave lens for widening the size of the laser light in the horizontal direction, and the second light diffusing element 10 is a concave reflector for widening the size of the laser light in the vertical direction.

The first light diffusing element 8 is specifically a concave cylindrical lens, and the second light diffusing element 10 is a concave cylindrical reflector.

An antireflection film is arranged on the first light diffusion element 8, the model of the first light diffusion element 8 is LK1336L1-C, the model of the second light diffusion element 10 is an antireflection film, and the model of the second light diffusion element 10 is CCM 254-025-P01. The concave surface of the first light spreading element 8 faces the first reflecting mirror 7, the concave surface of the second light spreading element 10 faces the mounting part 11 and the welding mechanism 12, the top edge of the concave surface of the first light spreading element 8 is perpendicular to the horizontal plane and is used for widening the size of the laser in the horizontal direction, and the top edge of the concave surface of the second light spreading element 10 is parallel to the horizontal plane and is used for widening the size of the laser in the vertical direction.

The working principle of the invention is as follows: before the welding work is started, the external control system controls the laser 5 to start to emit laser with a laser wavelength of 1065nm and a power of 70W, the laser reaches the first reflector 7 through the isolator 6, the first reflector 7 reflects the laser onto the first light-diffusing element 8, the laser is divided into sectors in the horizontal direction under the action of the first light-diffusing element 8, then the laser reaches the second reflector 9 and is reflected out, the laser reaches the second light-diffusing element 10 through a gap between the mounting part 11 and the welding mechanism 12, the laser is divided into sectors in the vertical direction under the action of the second light-diffusing element 10 and is reflected onto the welding surface of the workpiece to be welded on the mounting part 11 and the welding mechanism 12, because the second light-diffusing element 10 is specifically a concave cylindrical reflector, the second light-diffusing element 10 can reflect most of the laser onto the welding surface of the workpiece to be welded on the mounting part 11 and the welding mechanism 12, thereby completing the preheating of the ultrasonic welding.

The above examples are intended to further illustrate the present invention, but are not intended to limit the invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.