A laser scribing tool

Abstract

This utility model discloses a laser scribing fixture for use on vehicle sunroof covers, comprising a positioning component, a detection component, and a working platform. The positioning component is connected to the working platform and is used to fix the sunroof cover. The detection component includes a scribing detection element and a detection disc. The detection disc is connected to the circumferential sidewall of the scribing detection element, and the detection disc has detection notches. The scribing detection element is assembled and connected to the working platform and is used to detect the scribing position of the sunroof cover. This utility model can significantly improve the accuracy of product positioning and scribing detection during processing, mainly by combining the positioning component, the detection component, and the working platform to achieve functional integration. The scribing detection element and the detection disc in the detection component are circumferentially connected and have multiple detection notches, which can intuitively confirm the scribing position without affecting the laser path, thereby greatly improving debugging efficiency and accuracy.

Description

Technical Field

[0001] This utility model relates to the field of tooling, and specifically designs a laser engraving tooling. Background Technology

[0002] With the continuous development of the automotive industry, the level of refinement in vehicle exterior design is increasing, especially for aluminum decorative parts such as sunroof covers. Their surfaces typically require precise laser engraving to meet design requirements such as aesthetics, light shielding, or functional zoning. Laser engraving, as a high-precision, non-contact processing method, has advantages such as high processing efficiency, flexible processing trajectory, and fine engraving lines, and has been widely used in the production process of automotive aluminum products.

[0003] In existing technologies, sunroof covers typically require pre-positioning and fixing using fixtures before laser engraving to ensure the engraving path matches the design trajectory. However, most existing laser engraving fixtures have simple structures, only providing basic product fixing functions and failing to achieve online detection and position confirmation of the engraving path. During actual debugging or production, operators need to transfer the engraved cover to a separate inspection platform for position verification. If deviations are found, the clamping, adjustment, and re-engraving must be repeated, which is time-consuming and affects production cycle and accuracy. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a laser scribing fixture that can detect the position of the scribing line during the process of scribing lines on a vehicle cover using a laser.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A laser scribing fixture, applied to the sunroof cover of a vehicle, is characterized by comprising a positioning component, a detection component, and a working platform;

[0007] The positioning component is connected to the working platform and is used to fix the sunroof cover.

[0008] The detection component includes a scribing detection element and a detection disc; the detection disc is connected to the circumferential sidewall of the scribing detection element, and the detection disc is provided with a detection notch; the scribing detection element is assembled and connected to the working platform and is used to detect the scribing position of the sunroof cover.

[0009] In some embodiments, the positioning component includes a limiting member and a fixing member, the limiting member and the fixing member being positioned to match the geometry of the sunroof cover on the working platform, the limiting member and the fixing member enclosing a placement space for accommodating the sunroof cover; the detection component is located within the placement space.

[0010] In some embodiments, the limiting member is used to contact and limit the sunroof cover.

[0011] In some embodiments, the limiting member includes a first limiting member and a second limiting member, wherein the first limiting member is used to abut against and limit the sunroof cover; and the second limiting member is engaged with and limits the sunroof cover.

[0012] In some embodiments, the fastener includes a support platform and a clamp, the clamp being connected to the support platform, and the support platform being connected to the working platform; when the clamp descends, it cooperates with the support platform to clamp the sunroof cover.

[0013] In some embodiments, the number of the fasteners is at least two, and the fasteners are symmetrically arranged on the working platform.

[0014] In some embodiments, the working platform is provided with a positioning pin, the engraving detection element is provided with a positioning hole, and the positioning pin and the positioning hole are matched in position.

[0015] In some embodiments, the number of detection notches is at least two, and the detection notches are distributed circumferentially along the detection disk.

[0016] In some implementations, the detection disc abuts against the sunroof cover.

[0017] In some embodiments, the scribe line detection element has a handle at its top.

[0018] The beneficial effects of this utility model are as follows: It provides a laser scribing fixture, which is applied to the sunroof cover of a vehicle. During processing, it can significantly improve the accuracy of product positioning and scribing detection. This is mainly achieved by combining a positioning component, a detection component, and a working platform to achieve functional integration. The positioning component is connected to the working platform, which can stably fix the sunroof cover and prevent its position from shifting during processing, which is especially important in the high-precision process of laser scribing. The scribing detection element and detection disk in the detection component are connected circumferentially and have multiple detection notches, which can intuitively confirm the scribing position without affecting the laser path, thereby greatly improving debugging efficiency and accuracy. Attached Figure Description

[0019] Figure 1 This is an assembly diagram of a laser scribing fixture in one of the embodiments;

[0020] Figure 2 This is a top view of a laser scribing fixture in one of the embodiments;

[0021] Figure 3 This is a schematic diagram showing the distribution of the positioning components of a laser scribing fixture in one embodiment;

[0022] Figure 4 This is a top view showing the distribution of positioning components in a laser scribing fixture according to an embodiment;

[0023] Label Explanation:

[0024] 1. Positioning component; 11. First limiting component; 12. Second limiting component; 13. Support platform; 14. Clamping clamp; 2. Detection component; 21. Grating detection component; 22. Detection disc; 23. Detection notch; 24. Positioning hole; 25. Handle; 3. Working platform; 31. Positioning pin; 4. Sunroof cover. Detailed Implementation

[0025] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0026] Please refer to Figure 1 as well as Figure 2 A laser engraving tooling is used on a sunroof cover 4 of a vehicle, characterized in that it includes a positioning component 1, a detection component 2 and a working platform 3;

[0027] The positioning component 1 is connected to the working platform 3 and is used to fix the sunroof cover 4;

[0028] The detection component 2 includes a scribing detection element 21 and a detection disk 22; the detection disk 22 is connected to the circumferential sidewall of the scribing detection element 21, and the detection disk 22 is provided with a detection notch 23; the scribing detection element 21 is assembled and connected to the working platform 3 and is used to detect the scribing position of the sunroof cover plate 4.

[0029] As described above, a laser scribing fixture is proposed for use on the sunroof cover 4 of a vehicle. During processing, it significantly improves the accuracy of product positioning and scribing detection. This is achieved by integrating the positioning component 1, the detection component 2, and the working platform 3. The positioning component 1, connected to the working platform 3, stably fixes the sunroof cover 4, preventing positional shifts during processing, which is especially important in the high-precision laser scribing process. The scribing detection element 21 and detection disc 22 in the detection component 2 are circumferentially connected and have multiple detection notches 23, allowing for intuitive confirmation of the scribing position without affecting the laser path, thus greatly improving debugging efficiency and accuracy. The scribing detection element 21 can be mounted on the working platform 3, ensuring its installation accuracy and consistent positioning for repeated use. In practical applications, the detection disc 22 can be made of a transparent, heat-resistant material to enhance operational visibility; the working platform 3 can be equipped with a guide rail structure to improve loading and unloading convenience. This structure utilizes a modular design principle, eliminating the need for additional fixtures for pre-laser scribing adjustments. The fixing and testing process can be completed on a single platform, avoiding cumulative errors and wasted time caused by multiple clamping operations.

[0030] Please refer to Figure 3 and Figure 4 In some embodiments, the positioning component 1 includes a limiting member and a fixing member. The distribution positions of the limiting member and the fixing member match the geometry of the sunroof cover plate 4 and are provided on the working platform 3. The limiting member and the fixing member enclose a placement space for accommodating the sunroof cover plate 4. The detection component 2 is located within the placement space.

[0031] As described above, the internal structure of positioning component 1 is further clarified as consisting of limiting and fixing components, and it is positioned on the work platform 3 according to the geometric characteristics of the skylight cover 4, forming a placement space. This arrangement ensures that the cover has corresponding geometric constraints in all directions, achieving stable positioning. The detection component 2 is placed within the placement space, ensuring it does not interfere with workpiece placement while facilitating observation and adjustment, greatly improving overall space utilization and the structural rationality of the tooling. The limiting and fixing components can be designed as adjustable modules to adapt to cover plates of different sizes and models, possessing advantages such as high versatility and reusability. This structure constructs a clamping environment based on the principles of structural symmetry and clamping force balance, thereby reducing manufacturing and operating costs while ensuring processing quality.

[0032] Specifically, the limiting member is used to contact and limit the sunroof cover 4.

[0033] As described above, the limiting component directly contacts the sunroof cover 4 to achieve limiting. The limiting component can be made of wear-resistant polyurethane, engineering plastics, or a metal part with an anti-scratch pad, protecting the product surface from damage while ensuring clamping rigidity. This limiting strategy relies on solid contact and mating surface design to provide line or surface contact limiting to the cover, ensuring the geometric stability of the workpiece in the X and Y directions, and serving as a crucial support for establishing the coordinate reference of the entire fixture system.

[0034] Preferably, the limiting member includes a first limiting member 11 and a second limiting member 12. The first limiting member 11 is used to abut against and limit the sunroof cover plate 4; the second limiting member 12 is engaged with and limits the sunroof cover plate 4.

[0035] As described above, the internal components of the limiting member are further refined, dividing it into a first limiting member 11 and a second limiting member 12. The former abuts against the edge of the cover plate for limiting, while the latter engages with the outer shape of the cover plate. This composite limiting design can simultaneously control the linear movement and rotational degrees of freedom of the workpiece, thereby significantly improving the overall positioning accuracy and repeatability. The first limiting member 11 can be an adjustable stop, a magnetic component, etc., while the second limiting member 12 is preferably a slot structure or an embedded guide. The complementarity of the two limiting forms enhances the adaptability of the fixture to different types of workpieces, enabling this invention to achieve high-precision clamping even when facing complex curved surfaces or irregularly shaped cover plates.

[0036] Specifically, the fixing component includes a support platform 13 and a clamp 14. The clamp 14 is connected to the support platform 13, and the support platform 13 is connected to the working platform 3. When the clamp 14 descends, it cooperates with the support platform 13 to clamp the sunroof cover 4.

[0037] As described above, the fixing component consists of a support platform 13 and a clamp 14. The support platform 13 forms an integral structure with the work platform 3, providing a stable bearing surface for the sunroof cover. The clamp 14 is connected to the support platform 13 via threads, a cylinder, or a lever structure to achieve vertical clamping. After the clamp 14 descends, it cooperates with the support platform 13 to clamp the sunroof cover 4, thereby providing a stable Z-axis constraint during laser engraving. In practical applications, the clamp 14 can adopt various structures, such as a rocker arm type, a handwheel screw type, or a quick-locking type, to meet the needs of different work cycles and levels of automation. This clamping method not only provides rigid fixation but also establishes a machining reference plane through the clamping contact between the tooling and the workpiece, providing a stable basis for laser head path setting.

[0038] Preferably, the number of the fixing members is at least two, and the fixing members are symmetrically arranged on the working platform 3.

[0039] As described above, there are at least two fasteners, arranged symmetrically on the work platform 3. This structural layout provides a more balanced distribution of clamping force, helping to prevent warping or uneven loading of the sunroof cover 4 during clamping. The symmetrical arrangement conforms to the principle of mechanical balance, maintaining strong overall structural stability when subjected to thermal deformation and vibration during laser engraving.

[0040] Please refer to Figures 1 to 4 In some embodiments, the working platform 3 is provided on the positioning pin 31, the engraving detection element 21 is provided with a positioning hole 24, and the positioning pin 31 and the positioning hole 24 are matched in position.

[0041] As described above, the working platform 3 is equipped with a positioning pin 31, while the scribing detection component 21 is equipped with a positioning hole 24, and the two are matched and fitted together. This structure enables the rapid assembly and precise positioning of the scribing detection component 21, ensuring that it can be repeatedly assembled and disassembled during debugging without affecting relative accuracy. This pin-hole fitting method not only facilitates module replacement but also improves efficiency. The positioning pin 31 can be a conical inlet structure to assist in rapid alignment of the detection component; a metal bushing can be added inside the positioning hole 24 to prevent wear deviations caused by long-term use. Positioning methods based on pin-hole fitting are commonly used in high-precision clamping structures, ensuring a constant spatial relationship between the laser path and the detection module, facilitating consistent operating benchmarks during system switching between different products.

[0042] In some embodiments, the number of detection notches 23 is at least two, and the detection notches 23 are distributed circumferentially along the detection disk 22.

[0043] As described above, there are at least two detection notches 23, distributed circumferentially along the detection disk 22. This design allows the detection component to observe the relative relationship between the laser path and the actual etched line position from multiple angles, significantly improving detection flexibility and judgment accuracy. Multi-point detection enables omnidirectional alignment of annular or complex multi-segment etched lines without repeatedly rotating the workpiece or fixture. The shape of the notches can be designed as straight grooves, arcs, or V-shapes according to actual needs, to accommodate laser equipment with different wavelengths or focal characteristics for observation and measurement. A well-arranged detection notch 23 also effectively prevents misjudgments, improving the yield and first-pass rate during the debugging phase.

[0044] In some embodiments, the detection disc 22 abuts against the sunroof cover.

[0045] As described above, the detection disc 22 directly abuts against the sunroof cover. This structure avoids the problem of laser path deviation or reflection angle changes caused by gaps in the middle, making the laser beam more stable and directly illuminating the detection area, effectively improving positioning reliability.

[0046] In some embodiments, the top of the scribing detection element 21 is provided with a handle 25.

[0047] As described above, the handle 25 at the top of the scribing detection component 21 enhances ergonomics and facilitates quick loading, unloading, and position adjustment of the component. During repeated testing, since the component needs to be frequently replaced or repositioned during multiple adjustments, the handle 25 effectively reduces operation time and improves safety.

[0048] In some embodiments, the working process of a laser scribing fixture is as follows:

[0049] 1. When using, manually place the sunroof cover plate, and position the product according to the geometric features of the cover plate and the limiting parts. After positioning, use clamps to fix it.

[0050] 2. During laser engraving debugging, fix the engraving detection block above the cover plate and position it with the positioning pin;

[0051] 3. During debugging, the laser directly passes through the detection notch to make the engraving, which facilitates the debugging of the product.

[0052] 4. At the same time, during the production process, the scribing detection piece can be used directly to detect the scribing position of the product.

[0053] In summary, the laser engraving fixture provided by this utility model has a compact structure and high functional integration, enabling efficient fixing and precise inspection of sunroof covers, significantly improving the debugging efficiency and processing accuracy of the laser engraving process. Through the cooperation of limiting and fixing components, multi-directional rigid positioning of the cover is achieved; the modular design of the inspection components facilitates reusability and quick replacement; the inspection disc has multiple inspection notches, making the engraving position observation more intuitive and accurate. The overall structure of the fixture is optimized, improving human-machine interaction and ease of operation, possessing high adaptability and reliability, and suitable for engraving production of various aluminum parts.

[0054] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A laser engraving fixture, applied to a sunroof cover of a vehicle, characterized in that: Includes positioning components, detection components, and a working platform; The positioning component is connected to the working platform and is used to fix the sunroof cover. The detection component includes a scribing detection element and a detection disc; the detection disc is connected to the circumferential sidewall of the scribing detection element, and the detection disc is provided with a detection notch; the scribing detection element is assembled and connected to the working platform and is used to detect the scribing position of the sunroof cover.

2. The laser scribing fixture according to claim 1, characterized in that: The positioning component includes a limiting member and a fixing member. The limiting member and the fixing member are positioned on the working platform to match the geometry of the sunroof cover. The limiting member and the fixing member together create a space for accommodating the sunroof cover. The detection component is located within the placement space.

3. The laser scribing fixture according to claim 2, characterized in that: The limiting component is used to contact and limit the sunroof cover.

4. The laser scribing fixture according to claim 3, characterized in that: The limiting component includes a first limiting component and a second limiting component. The first limiting component is used to abut against and limit the sunroof cover plate; the second limiting component is engaged with and limits the sunroof cover plate.

5. The laser scribing fixture according to claim 2, characterized in that: The fixing component includes a support platform and a clamp, the clamp is connected to the support platform, and the support platform is connected to the working platform; when the clamp descends, it cooperates with the support platform to clamp the sunroof cover.

6. The laser scribing fixture according to claim 2, characterized in that: The number of the fixing components is at least two, and the fixing components are symmetrically arranged on the working platform.

7. The laser scribing fixture according to claim 1, characterized in that: The working platform is located on the positioning pin, and the engraving detection component is provided with a positioning hole. The positioning pin and the positioning hole are matched in position.

8. The laser scribing fixture according to claim 1, characterized in that: The number of detection gaps is at least two, and the detection gaps are distributed circumferentially along the detection disk.

9. The laser scribing fixture according to claim 1, characterized in that: The detection disc abuts against the sunroof cover.

10. A laser scribing fixture according to claim 1, characterized in that: The scribe line detection piece has a handle at its top.

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