CN220881003U

CN220881003U - Laser double-observation system

Info

Publication number: CN220881003U
Application number: CN202322492124.3U
Authority: CN
Inventors: 杜刚; 李冠青
Original assignee: Shenzhen Nengsheng Technology Co ltd
Current assignee: Shenzhen Nengsheng Technology Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-05-03
Anticipated expiration: 2033-09-13

Abstract

The utility model is suitable for the field of laser welding equipment, and provides a laser dual-observation system, which comprises a structural body, wherein a microscope, a focusing objective lens, a display screen, a lens and a CCD imaging module are connected to the structural body; the microscope is matched with the display screen, double aiming, positioning and observation are adopted, operation is facilitated, and welding observation can be carried out for a long time.

Description

Laser double-observation system

Technical Field

The utility model belongs to the field of laser welding equipment, and particularly relates to a laser double-observation system.

Background

The laser welding apparatus is an apparatus that performs welding after locally heating a material in a micro region by using a high-energy laser pulse. At present, the welding observation in the laser industry is generally carried out by adopting a microscope, so that a tiny welding position can be observed more clearly, eyes are required to be attached to an ocular lens during welding, the eyes are uncomfortable for a long time, and the welding observation for a long time is not suitable.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a laser double-observation system.

The utility model is realized in the following way: the utility model provides a two observation system of laser, includes the structure body, be connected with microscope, focus objective, display screen, camera lens and CCD imaging module on the structure body, the one end of structure body is equipped with the light trap that is used for transmitting welding laser, the microscope with focus objective is same horizontal line setting, just the inside of structure body be in the microscope with be equipped with the reflector between the focus objective, the one end of camera lens stretches into in the structure body, the other end with the CCD imaging module is connected, the inside of structure body corresponds the position of camera lens is equipped with closes the beam mirror, close the beam mirror with the reflector is same horizontal line setting, welding laser follow the light trap passes in proper order close the beam mirror with the reflector and pass through focus objective jets out, the CCD imaging module pass through the signal line with the display screen is connected.

Further, the included angle between the reflecting mirror plate and the mirror surface of the microscope and the included angle between the reflecting mirror plate and the mirror surface of the focusing objective lens are 45 degrees respectively.

Further, the microscope is arranged at the upper end of the structure body, the focusing objective lens is arranged at the lower end of the structure body, and the workpiece is arranged below the focusing objective lens.

Further, the lens is matched with the CCD imaging module and arranged at the side end of the structural body, and an included angle between the beam combining lens and the lens face of the lens is 45 degrees.

According to the laser double-observation system provided by the utility model, the welding laser changes the path by passing through the beam combining lens and the reflecting lens, so that on one hand, the welding position can be observed through the microscope, and on the other hand, the welding image can be transmitted to the display screen for an operator to observe through the cooperation of the lens and the CCD imaging module, and the double-aiming positioning observation is adopted, so that the operation is more convenient, and the welding observation can be performed for a long time.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model.

Fig. 1 is a schematic view of the structure provided by the present utility model.

Fig. 2 is a schematic view of the positions of the light holes according to the present utility model.

Fig. 3 is a schematic diagram of the operation of the present utility model.

Reference numerals illustrate: 1. a structural body; 11. a light hole; 2. a microscope; 3. a focusing objective lens; 4. a display screen; 5. a lens; 6. a CCD imaging module; 7. a reflection lens; 8. and a beam combining lens.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, a dual laser observation system disclosed by the utility model comprises a structural body 1, wherein a microscope 2, a focusing objective lens 3, a display screen 4, a lens 5 and a CCD imaging module 6 are connected to the structural body 1, a light hole 11 for transmitting welding laser is arranged at one end of the structural body 1, the microscope 2 and the focusing objective lens 3 are arranged in the same horizontal line, the microscope 2 is arranged at the upper end of the structural body 1 according to actual production conditions and human body structures, the focusing objective lens 3 is arranged at the lower end of the structural body 1, and a workpiece is arranged below the focusing objective lens 3. And the inside of the structure body 1 is provided with a reflecting lens 7 between the microscope 2 and the focusing objective 3, specifically, the included angles between the reflecting lens 7 and the mirror surface of the microscope 2 and the included angles between the mirror surfaces of the focusing objective 3 are 45 degrees respectively. One end of the lens 5 extends into the structural body 1, the other end of the lens 5 is connected with the CCD imaging module 6, a beam combining lens 8 is arranged in the structural body 1 at a position corresponding to the lens 5, specifically, the lens 5 is matched with the CCD imaging module 6 to be arranged at the side end of the structural body 1, and an included angle between the beam combining lens 8 and a mirror surface of the lens 5 is 45 degrees. The beam combining lens 8 and the reflecting mirror 7 are arranged in the same horizontal line, welding laser sequentially passes through the beam combining lens 8 and the reflecting mirror 7 from the light hole 11 and is emitted through the focusing objective lens 3, and the CCD imaging module 6 is connected with the display screen 4 through a signal line.

During laser welding operation, the welding laser enters the structural body 1 from the light hole 11, and changes the path under the action of the reflecting mirror 7 to be emitted from the focusing objective lens 3, at this time, the focusing objective lens 3 converges the welding laser into Sub>A point to irradiate on Sub>A workpiece for welding, such as Sub>A focus C and Sub>A focusing path F-A-B-C in FIG. 3, at this time, the workpiece can be directly and clearly observed by the eyes of an operator approaching the microscope 2, and the precise positioning of the workpiece and the focus C, such as an observation path G-B-C in FIG. 3, is realized.

Meanwhile, the lens 5 is used for adjusting the size, definition and light incoming quantity of CCD imaging, and the lens 5 is matched with the CCD imaging module 6 to map the image adjusted by the lens 5 onto a photosensitive device and finally display the image through the display screen 4. Specifically, the beam combiner 8 is configured to reflect visible light and transmit welding laser, reflect imaging of the focal point C back to the CCD imaging module 6, as shown in fig. 3, and finally display an image of ase:Sub>A welding position through the display screen 4, so as to further realize accurate positioning of the workpiece and the focal point C, and preferably, the display screen 4 can also adjust other laser parameters. The microscope 2 is matched with the display screen 4, and double aiming positioning is adopted, so that a workpiece and laser are positioned more accurately, and welding observation can be performed for a long time.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims

1. A laser dual vision system, characterized by: including structure body (1), be connected with microscope (2), focus objective (3), display screen (4), camera lens (5) and CCD formation of image module (6) on structure body (1), the one end of structure body (1) is equipped with light trap (11) that are used for transmitting welding laser, microscope (2) with focus objective (3) are same horizontal line setting, just the inside of structure body (1) microscope (2) with be equipped with reflector (7) between focus objective (3), the one end of camera lens (5) stretch into in structure body (1), the other end with CCD formation of image module (6) are connected, the inside of structure body (1) corresponds the position of camera lens (5) is equipped with beam combining mirror (8), beam combining mirror (8) with reflector (7) are same horizontal line setting, and welding laser is followed beam combining mirror (8) with reflector (7) and through focus lens (3) go out in proper order, CCD formation of image module (4) passes through the image module and penetrates the image module (6).

2. A laser dual vision system as defined in claim 1, characterized in that: the included angle between the reflecting mirror plate (7) and the mirror surface of the microscope (2) and the included angle between the mirror surface of the focusing objective lens (3) are 45 degrees respectively.

3. A laser dual vision system as defined in claim 2, characterized in that: the microscope (2) is arranged at the upper end of the structure body (1), the focusing objective lens (3) is arranged at the lower end of the structure body (1), and a workpiece is arranged below the focusing objective lens (3).

4. A laser dual vision system as set forth in claim 3, characterized in that: the lens (5) is matched with the CCD imaging module (6) and arranged at the side end of the structural body (1), and an included angle between the beam combining lens (8) and the mirror surface of the lens (5) is 45 degrees.