High-precision linear light source module debugging tool system

Abstract

The application discloses a high-precision linear light source module debugging tool system, which comprises an optical breadboard, a screen projection, a support and a fixing block, the right side of the top of the optical breadboard is fixedly connected with the bottom of the screen projection, the left side of the top of the optical breadboard is fixedly connected with the bottom of the support, the top of the support is fixedly connected with the bottom of the fixing block, the top of the fixing block is fixedly connected with a spiral adjusting mechanism, and an industrial camera is fixedly connected with the top of the optical breadboard and located on one side of the support through a fixing frame. The application relates to the technical field of 3D machine vision. The high-precision linear light source module debugging tool system is convenient to install and debug, has high accuracy, guarantees the beam directivity, effectively avoids the problems of uneven energy distribution of a linear light and light bending, has a visual software interface, can track the debugging effect of the linear light in real time, gives a Pass / Fail judgment result, guides the debugging production of an operator, and effectively improves the production efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to the field of 3D machine vision, in particular to a high-precision linear light source module debugging tool system. BACKGROUND

[0002] In the assembly and debugging of the existing product, the sensitivity of the optical system is not considered, and the performance of the optical system cannot be guaranteed by simply relying on the machining accuracy; the characteristics of the Powell prism are not fully understood, and the matching accuracy of the prism and the light beam is not understood enough, so that the performance consistency of the linear module is poor after assembly and debugging, or the product meeting the requirements cannot be debugged at all, resulting in low production efficiency, poor product quality consistency, and inability to realize batch production. SUMMARY

[0003] 1. Objectives of the application

[0004] The application proposes a high-precision linear light source module debugging tool system to solve the problems of poor light beam consistency, uneven one-line energy distribution, and light bending of the existing product.

[0005] 2. Technical solutions of the application

[0006] A high-precision linear light source module debugging tool system comprises an optical face breadboard, a projection screen, a support and a fixed block, the right side of the top of the optical face breadboard is fixedly connected with the bottom of the projection screen, the left side of the top of the optical face breadboard is fixedly connected with the bottom of the support, and the top of the support is fixedly connected with the bottom of the fixed block, the top of the fixed block is fixedly connected with a screw adjustment mechanism, and an industrial camera is fixedly connected with the side of the top of the optical face breadboard through a fixing frame;

[0007] The screw adjustment mechanism comprises a fixing frame, and a laser module is arranged in the fixing frame, the fixing frame is fixedly connected with the left side of the support through fixing bolts, mounting holes are formed around the circumferential surface of the fixing frame, adjusting columns are fixedly connected in the four mounting holes, and micro-differentiation knobs are threadedly connected in the adjusting columns, and one end of the micro-differentiation knobs penetrates through the laser module and extends into the laser module.

[0008] The laser module comprises an outer shell, a front end cover and a rear end cover, and the two ends of the outer shell are threadedly connected with one end of the front end cover and the rear end cover, respectively, a diode mounting frame is fixedly connected to one end in the outer shell, a laser diode is fixedly connected in the diode mounting frame, a groove is formed in the circumferential surface of the diode mounting frame, and one end of the micro-differentiation knob extending into the laser module is in contact with the inner wall of the groove.

[0009] Preferably, a limiting block is fixedly connected to one side of the top of the fixing block by a connecting bolt, and inclined guide posts are threaded to both sides inside the limiting block, with one end of each of the two inclined guide posts in contact with the surface of the laser module.

[0010] Preferably, a connecting post is fixedly connected inside the outer casing and on the side near the front end cover, a mirror mount is fixedly connected inside the front end cover, and a Powell prism is movably connected inside the mirror mount, with the surface of the mirror mount slidingly connected to the inner wall of the connecting post.

[0011] Preferably, a laser column is movably connected inside the housing and on the side near the rear end cover, and a limit ring is fixedly connected to the surface of the laser column. The surface of the limit ring contacts the inner wall of the housing, and an aspherical lens and a laser module power supply are fixedly connected inside the laser column.

[0012] Preferably, an adjustment bracket is provided between the bottom of the industrial camera and the top of the mounting bracket, and the interior of the industrial camera is electrically connected to the internal computer via a data transmission cable.

[0013] Preferably, the bottom of the limiting block and the top of the fixing block are both provided with V-shaped grooves, and the top and bottom of the laser module surface are respectively in contact with the inner surfaces of the two V-shaped grooves.

[0014] 3. Beneficial effects of the present invention

[0015] (1) By using a specially designed differential knob adjustment fixture, the position of the laser tube is finely adjusted up, down, left and right to match the pre-installed collimating lens group, and the spot is adjusted to the pre-set target range to ensure that the beam directionality meets the requirements. The installation and adjustment are convenient, the accuracy is high, the beam directionality is guaranteed, and the problem of uneven energy distribution and light bending in a straight line is effectively avoided.

[0016] (2) The uniformity of the line is captured in real time by the camera, and the results are analyzed and judged by the self-developed structured light analysis software. Adjustments are made according to the actual situation to ensure the uniform distribution of the line. This high-precision line light source module debugging tooling system has a visual software interface, tracks the debugging effect of the line in real time, and gives the Pass / Fail judgment result to guide the operators to debug production, effectively improving production efficiency. Attached Figure Description

[0017] Figure 1 This is a perspective view of the high-precision line light source module debugging fixture system structure of the present invention;

[0018] Figure 2 This is a perspective view of the spiral adjustment mechanism, laser module, and fixing block structure of the present invention;

[0019] Figure 3 This is a perspective view of the laser module and limiting block structure of the present invention;

[0020] Figure 4 This is an exploded view of the laser module structure of the present invention;

[0021] Figure 5 This is a top view of the laser module structure of the present invention.

[0022] The components are: 1. Optical breadboard, 2. Projection screen, 3. Bracket, 4. Fixing block, 5. Spiral adjustment mechanism, 6. Industrial camera, 7. Fixing frame, 8. Laser module, 9. Fixing bolt, 10. Mounting hole, 11. Adjusting column, 12. Micrometer knob, 13. Housing, 14. Front cover, 15. Rear cover, 16. Diode mounting bracket, 17. Laser diode, 18. Groove, 19. Connecting bolt, 20. Limiting block, 21. Angled guide post, 22. Connecting post, 23. Single-line mirror base, 24. Powell prism, 25. Laser column, 26. Limiting ring, 27. Adjusting bracket, 28. V-groove. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0024] Please see Figures 1-5 This invention provides a technical solution: a high-precision line light source module debugging fixture system, including an optical breadboard 1, a projection screen 2, a bracket 3, and a fixing block 4. A limiting block 20 is fixedly connected to one side of the top of the fixing block 4 via connecting bolts 19. V-grooves 28 are formed on both the bottom of the limiting block 20 and the top of the fixing block 4. The top and bottom surfaces of the laser module 8 respectively contact the inner surfaces of the two V-grooves 28. Slanted guide posts 21 are threadedly connected to both sides inside the limiting block 20, and one end of each of the two slanted guide posts 21 is connected to the laser module 8. The optical breadboard 1 is in surface contact with the bottom of the projection screen 2. The top right side of the optical breadboard 1 is fixedly connected to the bottom of the bracket 3. The top of the bracket 3 is fixedly connected to the bottom of the fixing block 4. The top of the fixing block 4 is fixedly connected with a spiral adjustment mechanism 5. An industrial camera 6 is fixedly connected to the top of the optical breadboard 1 and to one side of the bracket 3 via a fixing frame. An adjustment bracket 27 is provided between the bottom of the industrial camera 6 and the top of the fixing frame. The interior of the industrial camera 6 is electrically connected to the computer via a data transmission line.

[0025] The spiral adjustment mechanism 5 includes a fixed frame 7, and a laser module 8 is installed inside the fixed frame 7. The fixed frame 7 is fixedly connected to the left side of the bracket 3 by a fixing bolt 9. Mounting holes 10 are opened on all four sides of the fixed frame 7, and an adjustment column 11 is fixedly connected inside each of the four mounting holes 10. A micro knob 12 is threaded inside the adjustment column 11, and one end of the micro knob 12 passes through the laser module 8 and extends into the interior of the laser module 8.

[0026] The laser module 8 includes a housing 13, a front cover 14, and a rear cover 15. A connecting post 22 is fixedly connected inside the housing 13, near the front cover 14. A linear mirror mount 23 is fixedly connected inside the front cover 14, and a Powell prism 24 is movably connected inside the linear mirror mount 23. The surface of the linear mirror mount 23 is slidably connected to the inner wall of the connecting post 22. A laser column 25 is movably connected inside the housing 13, near the rear cover 15, and a limiting ring 26 is fixedly connected to the surface of the laser column 25. The surface of the limiting ring 26 contacts the inner wall of the housing 13. An aspherical lens and a laser module power supply are fixedly connected inside the housing 25. The two ends of the housing 13 are threadedly connected to one end of the front cover 14 and the rear cover 15, respectively. A diode mounting bracket 16 is fixedly connected to one end inside the housing 13. A laser diode 17 is fixedly connected inside the diode mounting bracket 16. A groove 18 is formed on the circumferential surface of the diode mounting bracket 16. The end of the differential knob 12 extending into the laser module 8 contacts the inner wall of the groove 18. All contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0027] In use, the laser module 8 is fixedly connected to the top of the fixed block 4 using two connecting bolts 19 inside the limiting block 20. Then, the laser module 8 is fixed to the surface using two inclined guide posts 21 inside the limiting block 20, so that the laser module 8 is pre-installed on the fixed block 4. Next, the fixing frame 7 in the spiral adjustment mechanism 5 is fixedly installed on one side of the bracket 3 using two fixing bolts 9. After the laser diode 17 inside the laser module 8 is lit by a red cross ring pre-marked on the projection screen 2, the up, down, left, and right positions of the laser diode 17 are adjusted by the micro-knobs 12 inside the four adjustment posts 11. The laser spot is positioned within a pre-marked red crosshair. After installing the Powell prism 24 inside the linear mirror mount 23, the industrial camera 6 is turned on to acquire real-time images. The performance of the linear laser is analyzed using the developed structured light analysis software. The up, down, left, and right positions of the laser diode 17 are adjusted using the differential knobs 12 inside the four adjustment columns 11 to achieve optimal light uniformity. By precisely adjusting the orientation of the Powell prism 24 and the up, down, left, and right positions of the laser diode 17, the linear deviation ratio of the linear line is reduced, ensuring that the straightness index meets the requirements.

[0028] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A high-precision line light source module debugging fixture system, comprising an optical breadboard (1), a projection screen (2), a bracket (3), and a fixing block (4), wherein the right side of the top of the optical breadboard (1) is fixedly connected to the bottom of the projection screen (2), the left side of the top of the optical breadboard (1) is fixedly connected to the bottom of the bracket (3), and the top of the bracket (3) is fixedly connected to the bottom of the fixing block (4), characterized in that: The top of the fixed block (4) is fixedly connected to a spiral adjustment mechanism (5), and the top of the optical breadboard (1) and one side of the bracket (3) is fixedly connected to an industrial camera (6) via a fixing frame. The spiral adjustment mechanism (5) includes a fixed frame (7), and a laser module (8) is installed inside the fixed frame (7). The fixed frame (7) is fixedly connected to the left side of the bracket (3) by a fixing bolt (9). Mounting holes (10) are opened around the perimeter of the fixed frame (7), and an adjustment column (11) is fixedly connected inside each of the four mounting holes (10). A micro knob (12) is threaded inside the adjustment column (11), and one end of the micro knob (12) passes through the laser module (8) and extends into the interior of the laser module (8). The laser module (8) includes a housing (13), a front cover (14) and a rear cover (15), and the two ends of the housing (13) are threaded to one end of the front cover (14) and the rear cover (15) respectively. A diode mounting bracket (16) is fixedly connected to one end inside the housing (13), and a laser diode (17) is fixedly connected inside the diode mounting bracket (16). A groove (18) is provided on the circumferential surface of the diode mounting bracket (16), and the differential knob (12) extends to one end inside the laser module (8) and contacts the inner wall of the groove (18). One side of the top of the fixed block (4) is fixedly connected to the limiting block (20) by the connecting bolt (19), and both sides of the inside of the limiting block (20) are threaded with inclined guide posts (21), and one end of the two inclined guide posts (21) is in contact with the surface of the laser module (8). A laser column (25) is movably connected inside the outer casing (13) and on the side near the rear end cover (15), and a limiting ring (26) is fixedly connected to the surface of the laser column (25). The surface of the limiting ring (26) is in contact with the inner wall of the outer casing (13). An aspherical lens and a laser module power supply are fixedly connected inside the laser column (25).

2. The high-precision line light source module debugging fixture system according to claim 1, characterized in that: A connecting post (22) is fixedly connected inside the outer casing (13) and on the side near the front end cover (14). A mirror mount (23) is fixedly connected inside the front end cover (14), and a Powell prism (24) is movably connected inside the mirror mount (23). The surface of the mirror mount (23) is slidably connected to the inner wall of the connecting post (22).

3. The high-precision line light source module debugging fixture system according to claim 1, characterized in that: An adjustment bracket (27) is provided between the bottom of the industrial camera (6) and the top of the mounting bracket, and the interior of the industrial camera (6) is electrically connected to the computer via a data transmission line.

4. The high-precision line light source module debugging fixture system according to claim 1, characterized in that: The bottom of the limiting block (20) and the top of the fixing block (4) are both provided with V-shaped grooves (28), and the top and bottom of the surface of the laser module (8) are in contact with the inner surfaces of the two V-shaped grooves (28).

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