Variable-focus laser homogenization edge sealing system

Abstract

The invention discloses a variable-focus type laser homogenization edge sealing system which comprises a base shell and an adjusting assembly arranged in the base shell, the adjusting assembly is used for conducting distance adjusting operation on laser, the variable-focus type laser homogenization edge sealing system further comprises fixing assemblies arranged on the front side and the rear side of a base, and the fixing assemblies are used for fixing a laser system conveniently. A pumping source and a leading-out module are fixedly connected to the left side and the right side of the base respectively, a third opening is formed in the upper end of the base shell, and a cover body is connected to the upper end of the third opening through a fixing nut. The invention belongs to the technical field of laser edge sealing, and particularly relates to a variable-focus laser homogenization edge sealing system capable of improving the laser utilization rate and saving the QBH optical fiber cost.

Description

Technical Field

[0001] The invention belongs to the technical field of laser edge sealing, and in particular relates to a variable-focus laser homogenization edge sealing system. Background Art

[0002] Traditional fixed-focus laser systems have shortcomings in many application scenarios: for materials of different thicknesses or different processing requirements, fixed focal lengths are difficult to meet diverse needs. For example, in the field of material processing, different workpiece thicknesses require different laser focus depths, and fixed-focus lasers may not be able to achieve the best processing results for materials of various thicknesses.

[0003] In some applications with high precision requirements, such as microelectronics manufacturing and precision instrument processing, fixed-focus lasers may not be able to accurately adjust the focal position, resulting in insufficient processing accuracy and affecting product quality. Existing laser equipment has low homogenization of the emitted laser, resulting in low laser utilization, and the QBH optical fiber is expensive, which increases the processing cost. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the existing equipment cannot achieve the adjustability of laser homogenization.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: a variable-focus laser homogenization edge sealing system, including a base shell, and an adjustment component arranged in the base shell, the adjustment component is used to adjust the distance of the laser, and also includes a fixing component arranged on the front and rear sides of the base, the fixing component is used to facilitate the fixation of the laser system, the left and right sides of the base are respectively fixed with a pump source and an export module, the upper end of the base shell is opened with an opening three, and the upper end of the opening three is connected to a cover body through a fixing nut.

[0006] Furthermore, the adjustment module includes a slider, a bracket 1, a screw and a mirror group 1. The bottom end of the base shell is connected to a slide groove through a fixing bolt 1. The slider is slidably arranged at the upper end of the slide groove. A blocking block is fixedly connected to the side of the slider. The upper end of the base shell is symmetrically fixed to a support block. The lower end of the support block is fixedly connected to a sensing module matched with the blocking block. The screw is penetrated and arranged between the base shells. The bracket 1 is fixed to the lower end of the slider. The mirror group is fixed to the inside of the bracket 1. The bottom end of the base shell is fixedly connected with brackets 2, 3 and 4 at intervals. The insides of the brackets 2, 3 and 4 are respectively clamped with mirror groups 2, 3 and 4.

[0007] Furthermore, the fixing assembly includes a fixing block and a positioning column, the fixing block is symmetrically fixed to the outer side of the base shell through a second fixing bolt, a positioning groove is penetrated through the upper part of the fixing block, one end of the positioning groove passes through the fixing block, the upper end of the fixing block is threadedly connected with a third fixing bolt, the plurality of positioning columns are arranged and threadedly connected to the other end of the base shell, and the positioning column is provided with threads.

[0008] Furthermore, the export module includes a support block, which is trapezoidal in shape. One side of the support block is fixedly connected to the base shell. A closed export cavity is provided inside the support block. An opening one is provided on the side of the export cavity close to the base shell, and the opening one is connected to the base shell. An opening two is provided on the other side of the export cavity, and the opening two is connected to the outside. A mirror group five is clamped on the inner side of the opening two, and a reflection module is fixedly connected to the inner wall surface of one side of the export cavity.

[0009] Furthermore, the slide groove is a protruding rectangular parallelepiped, and the lower end of the sliding block is matched with the slide groove.

[0010] Furthermore, one end of the screw is rotatably connected to the inner wall of the base shell via a rotating shaft, and the other end of the screw is dynamically connected to a power shaft of a servo motor, and the servo motor is fixedly connected to the outer wall of the base shell.

[0011] Furthermore, the blocking block is arranged between the sensing modules, and the blocking block is connected to the sliding block via a fixing bolt three.

[0012] Furthermore, the microprocessor is electrically connected to the sensing module via a wire, the microprocessor is electrically connected to the servo motor via a wire, and the microprocessor is electrically connected to the pump source via a wire.

[0013] Furthermore, the pump source, mirror group one, mirror group two, mirror group three and mirror group are located on the same straight line, and the pump source, mirror group one, mirror group two, mirror group three, mirror group four, mirror group five and the transmitting module are located on the same horizontal plane.

[0014] Furthermore, the above system operation steps are as follows:

[0015] 1) The microprocessor controls the power supply, energizes the pump source, and generates a laser source;

[0016] 2) The excitation laser passes through mirror group 1 after being refracted by mirror group 2 and mirror group 3;

[0017] 3) Control the unidirectional control servo motor to drive the screw to rotate, thereby achieving the displacement of the first mirror group;

[0018] 4) The laser refracted by the mirror group 1 is directed to the reflection module in the output cavity through the mirror group 4, and then reflected by the reflection module and then directed out through the mirror group 5.

[0019] After adopting the above structure, the beneficial effects of the present invention are as follows:

[0020] In the field of laser edge sealing, the present invention uses a microprocessor to unidirectionally control a servo motor to achieve controllable adjustment of a rectangular light plate, thereby improving the fineness of light spot homogenization, increasing the utilization rate of lasers, saving the cost of QBH optical fibers, and increasing or decreasing laser power through multiple groups of pump sources. The optical fiber of the pump source is collimated and focused, and a rectangular homogenized light spot is achieved through multiple groups of specially designed mirrors. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 The semi-section structure of the present invention is shown in FIG. Figure 1 ;

[0024] Figure 3 The semi-section structure of the present invention is shown in FIG. Figure 2 ;

[0025] Figure 4 The half-section structure of the present invention is shown in FIG. Figure 3 ;

[0026] Figure 5 for Figure 2 Enlarged view of part A.

[0027] In the accompanying drawings: 1, base shell, 2, slider, 3, bracket one, 4, screw, 5, mirror group one, 6, bracket two, 7, bracket three, 8, bracket four, 9, mirror group two, 10, mirror group three, 11, mirror group four, 12, blocking block, 13, sensing module, 14, pump source, 15, fixing block, 16, positioning column, 17, supporting block, 18, mirror group five, 19, reflection module, 20, servo motor, 21, supporting block. DETAILED DESCRIPTION

[0028] like Figure 1 As shown, a variable-focus laser homogenization edge sealing system includes a base shell 1 and an adjustment component arranged in the base shell 1, the adjustment component is used to adjust the distance of the laser, and also includes a fixing component arranged on the front and rear sides of the base, the fixing component is used to facilitate the fixation of the laser system, and the left and right sides of the base are respectively fixed with a pump source 14 and an export module, the pump source 14 is set to two or more groups according to specific circumstances, and the laser power is increased or decreased by multiple groups of pump sources 14. An opening three is opened at the upper end of the base shell 1, and the upper end of the opening three is connected to a cover body through a fixing nut.

[0029] like Figure 2-4 -5, the adjustment module includes a slider 2, a bracket 3, a screw 4 and a mirror group 5, the bottom end of the base shell 1 is connected with a slide groove through a fixing bolt 1, the slider 2 is slidably set at the upper end of the slide groove, a blocking block 12 is fixedly connected to the side of the slider 2, the upper end of the base shell 1 is symmetrically fixed with a support block 21, the lower end of the support block 21 is fixedly connected with a sensing module 13 matched with the blocking block 12, the screw 4 is penetrated and set between the base shells 1, the bracket 13 is fixedly connected to the lower end of the slider 2, the mirror group is fixedly connected to the inside of the bracket 13, the bottom end of the base shell 1 is fixedly connected with a bracket 2 6, a bracket 3 7 and a bracket 4 8 at intervals, and the inside of the bracket 2 6, the bracket 3 7 and the bracket 4 8 are respectively clamped with a mirror group 2 9, a mirror group 3 10 and a mirror group 4 11.

[0030] Among them, the slide groove is a protruding rectangular parallelepiped, the lower end of the slider 2 is matched with the slide groove, one end of the screw 4 is rotatably connected to the inner wall of the base shell 1 through a rotating shaft, and the other end of the screw 4 is dynamically connected to the power shaft of the servo motor 20, the servo motor 20 is fixedly connected to the outer wall of the base shell 1, and the blocking block 12 is arranged between the sensing modules 13. The blocking block 12 is connected to the slider 2 through a fixing bolt 3, the microprocessor is electrically connected to the sensing module 13 through a wire, the microprocessor is electrically connected to the servo motor 20 through a wire, and the microprocessor is electrically connected to the pump source 14 through a wire. The servo motor 20 is controlled in one direction by the microprocessor to realize controllable adjustment of the rectangular light plate. The spot length is preferably 80 mm, which improves the fineness of the spot homogenization, improves the utilization rate of the laser, and saves the cost of QBH optical fiber.

[0031] like Figure 3 As shown, the fixing assembly includes a fixing block 15 and a positioning column 16. The fixing block 15 is symmetrically fixed to the outer side of the base shell 1 through a second fixing bolt. A positioning groove is penetrated through the upper part of the fixing block 15. One end of the positioning groove passes through the fixing block 15. The upper end of the fixing block 15 is threadedly connected with a fixing bolt 3. A plurality of positioning columns 16 are arranged and threadedly connected to the other end of the base shell 1. The positioning columns 16 are threaded.

[0032] like Figure 2 As shown, the export module includes a support block 17, which is trapezoidal. One side of the support block 17 is fixedly connected to the base shell 1. A closed export cavity is provided inside the support block 17. An opening one is provided on one side of the export cavity close to the base shell 1, and the opening one is connected to the base shell 1. An opening two is provided on the other side of the export cavity, and the opening two is connected to the outside. A mirror group five 18 is clamped on the inner side of the opening two, and a reflection module 19 is fixedly connected to the inner wall surface of one side of the export cavity.

[0033] Among them, the pump source 14, mirror group 1 5, mirror group 2 9, mirror group 3 10 and mirror group are located on the same straight line, the pump source 14, mirror group 1 5, mirror group 2 9, mirror group 3 10, mirror group 4 11, mirror group 5 18 and the transmitting module are located on the same horizontal plane, and the rectangular homogenized light spot is realized through the optical fiber collimation and focusing of the pump source 14 and through multiple groups of specially designed mirror groups.

[0034] The operating steps of the above system are as follows:

[0035] 1) The microprocessor controls the power supply to energize the pump source 14 to generate a laser source;

[0036] 2) The excitation laser is refracted by mirror group 2 9 and mirror group 3 10 and then passes through mirror group 1 5;

[0037] 3) Controlling the unidirectional control servo motor 20 to drive the screw 4 to rotate, thereby achieving the displacement of the lens group 1 5;

[0038] 4) The laser refracted by the mirror group 1 5 is directed to the reflection module 19 in the output cavity through the mirror group 4 11, and then reflected by the reflection module 19 and then directed out through the mirror group 5 18.

[0039] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural modes and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they shall all fall within the scope of protection of the present invention.

Claims

1. Variable focus laser homogenization edge banding system, characterized by: It includes a base shell, and an adjusting component arranged in the base shell, the adjusting component is used to adjust the distance of the laser, and also includes a fixing component arranged on the front and rear sides of the base, the fixing component is used to facilitate the fixation of the laser system, the left and right sides of the base are respectively fixed with a pump source and an export module, the upper end of the base shell is opened with an opening three, and the upper end of the opening three is connected to a cover body through a fixing nut.

2. The variable focus laser homogenization edge banding system according to claim 1, characterized in that: The adjustment module includes a slider, a bracket 1, a screw and a mirror group 1. The bottom end of the base shell is connected to a slide groove through a fixing bolt 1. The slider is slidably arranged at the upper end of the slide groove. A blocking block is fixedly connected to the side of the slider. The upper end of the base shell is symmetrically fixed to a support block. The lower end of the support block is fixedly connected to a sensing module matched with the blocking block. The screw is penetrated and arranged between the base shells. The bracket 1 is fixedly connected to the lower end of the slider. The mirror group is fixedly connected to the inside of the bracket 1. The bottom end of the base shell is fixedly connected with brackets 2, 3 and 4 at intervals. The insides of the brackets 2, 3 and 4 are respectively clamped with mirror groups 2, 3 and 4.

3. The variable focus laser homogenization edge banding system according to claim 2, characterized in that: The slide groove is a protruding rectangular parallelepiped, and the lower end of the sliding block is matched with the slide groove.

4. The variable focus laser homogenization edge banding system according to claim 2, characterized in that: One end of the screw is rotatably connected to the inner wall of the base shell through a rotating shaft, and the other end of the screw is dynamically connected to the power shaft of a servo motor, and the servo motor is fixedly connected to the outer wall of the base shell.

5. The variable focus laser homogenization edge banding system according to claim 2, characterized in that: The blocking block is arranged between the sensing modules, and the blocking block is connected to the sliding block via a fixing bolt three.

6. The variable focus laser homogenization edge banding system according to claim 2, characterized in that: The microprocessor is electrically connected to the induction module through a wire, the microprocessor is electrically connected to the servo motor through a wire, and the microprocessor is electrically connected to the pump source through a wire.

7. The variable focus laser homogenization edge banding system according to claim 1, characterized in that: The fixing assembly includes a fixing block and a positioning column. The fixing block is symmetrically fixed to the outer side of the base shell through a second fixing bolt. A positioning groove is provided through the upper part of the fixing block. One end of the positioning groove passes through the fixing block. A third fixing bolt is threadedly connected to the upper end of the fixing block. The plurality of positioning columns are arranged and threadedly connected to the other end of the base shell. The positioning column is provided with threads.

8. The variable focus laser homogenization edge banding system according to claim 1, characterized in that: The export module includes a support block, which is trapezoidal. One side of the support block is fixedly connected to the base shell. A closed export cavity is provided inside the support block. An opening one is provided on the side of the export cavity close to the base shell, and the opening one is connected to the base shell. An opening two is provided on the other side of the export cavity, and the opening two is connected to the outside. A mirror group five is clamped on the inner side of the opening two. A reflection module is fixedly connected to the inner wall surface of one side of the export cavity.

9. The variable focus laser homogenization edge banding system according to claim 8, characterized in that: The pump source, mirror group 1, mirror group 2, mirror group 3 and mirror group are located on the same straight line, and the pump source, mirror group 1, mirror group 2, mirror group 3, mirror group 4, mirror group 5 and emission module are located on the same horizontal plane.

Images