2D plane laser cutting plate positioning tool

By designing a 2D planar laser cutting plate positioning fixture, and adopting a support platform frame and an adjustable limiting mechanism, the problem of inaccurate plate positioning was solved, achieving precise positioning and efficient cutting, reducing the scrap rate of parts and production costs, and improving production efficiency and environmental friendliness.

CN224182347UActive Publication Date: 2026-05-01CHONGQING BOJUN IND TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING BOJUN IND TECH CO LTD
Filing Date
2025-04-25
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The lack of a dedicated sheet metal positioning mechanism in the existing technology leads to unstable sheet metal positioning that is susceptible to human factors and inaccurate positioning. This results in inaccurate dimensions and distorted shapes of the cut parts, increasing scrap rates and production costs. Furthermore, existing alternative solutions are either cumbersome or lack sufficient precision.

Method used

Design a 2D planar laser cutting plate positioning fixture, including a support platform frame, transverse and longitudinal positioning reinforcing ribs, plate support serrations, side limit seats and tail limit seats. It adopts adjustable installation and strip adjustment holes to achieve precise positioning and stable clamping of the plate.

Benefits of technology

It improves the accuracy and stability of sheet metal positioning, reduces the scrap rate of parts, increases production efficiency and product quality, reduces production costs, and enables the reuse of resources.

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Abstract

The utility model belongs to the field of mechanical tool positioning, and relates to a 2D plane laser cutting plate positioning tool which comprises a supporting frame, transverse and longitudinal positioning reinforcing ribs, plate supporting sawteeth, a side limiting seat, a tail end limiting seat and a mounting mechanism of the tail end limiting seat. The supporting frame is formed by welding rectangular steel pipes, and transverse and longitudinal reinforcing ribs are arranged in the supporting frame to enhance rigidity. The plate supporting sawteeth are installed on the reinforcing rib grids and used for supporting a to-be-cut plate. The side limiting seat and the tail end limiting seat limit transverse and longitudinal movement of a plate respectively, are fixed to the frame through the adjustable mounting mechanism and are provided with strip-shaped adjusting holes so as to improve positioning flexibility. When the laser cutting device is used, an operator places a plate on the frame, the position of the limiting base is adjusted to achieve accurate positioning, and then the laser cutting device is started. The plate positioning device is simple in structure, convenient to operate, accurate in positioning and high in efficiency, effectively solves the problem of plate positioning, improves the cutting quality and efficiency, and reduces the production cost and the rejection rate.
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Description

2D planar laser cutting sheet positioning fixture Technical Field

[0001] This utility model belongs to the field of mechanical tooling positioning, and relates to a 2D planar laser cutting plate positioning tooling. Background Technology

[0002] In the field of 2D laser cutting production of automotive sheet metal, precise positioning of the sheet metal is an indispensable step in ensuring cutting quality and efficiency. However, this field currently faces a series of challenges in sheet metal positioning.

[0003] First, in the design and production of laser cutting equipment, manufacturers generally do not include a sheet metal positioning mechanism as a standard configuration. This means that when the sheet metal is placed on the laser cutting platform, there is a lack of a dedicated mechanism to ensure that it can be accurately positioned at the predetermined location. This deficiency directly leads to instability and uncertainty in sheet metal positioning.

[0004] In the absence of a dedicated positioning mechanism, operators are forced to rely on manual operation to position the sheet metal. They typically use the red light emitted by the laser cutting head as a reference, repeatedly adjusting the sheet metal's position to attempt accurate positioning. However, this manual positioning method is not only inefficient but also highly susceptible to human factors, such as the operator's experience, eyesight, and fatigue, all of which directly affect the accuracy of the positioning.

[0005] Inaccurate positioning has serious consequences. On the one hand, it leads to inaccurate dimensions and distorted shapes in the cut parts, failing to meet design requirements and thus increasing the scrap rate and production costs. On the other hand, inaccurate positioning can also damage the laser processing head, because when the sheet material deviates from the predetermined track, the laser beam may irradiate non-target areas, causing unnecessary impact and wear to the laser processing head.

[0006] Furthermore, existing alternative solutions also have many shortcomings. While some solutions can achieve sheet metal positioning to a certain extent, the steps for adjusting the positioning sheet are too cumbersome, and switching between different types of sheet metal requires a significant amount of time, which greatly reduces production efficiency. Other solutions may have deficiencies in positioning accuracy and stability, failing to meet the requirements of high-precision cutting.

[0007] In summary, the existing technologies for positioning sheet metal in 2D planar laser cutting mainly suffer from the following problems: the equipment lacks a dedicated sheet metal positioning mechanism; manual positioning methods are inefficient and susceptible to human error; inaccurate positioning leads to higher parts scrap rates and increased production costs; and existing alternative solutions are insufficient. These problems severely restrict the application and development of laser cutting technology in the automotive sheet metal manufacturing industry. Summary of the Invention

[0008] In view of this, the purpose of this utility model is to provide a 2D planar laser cutting plate positioning fixture to solve the above problems.

[0009] To achieve the above objectives, this utility model provides the following technical solution: a 2D planar laser cutting plate positioning fixture for positioning the plate to be cut, including a plate support platform frame, and transverse and longitudinal positioning reinforcing ribs disposed within the plate support platform frame. The transverse and longitudinal positioning reinforcing ribs are orthogonally welded to form a grid-like support structure, on which several plate support saw teeth are installed; a side limiting seat mounting mechanism is selectively welded between two adjacent plate support saw teeth; a tail limiting seat mounting mechanism is also provided at the end of the longitudinal positioning reinforcing rib; a side limiting seat is installed on the side limiting seat mounting mechanism, and a tail limiting seat is installed on the tail limiting seat mounting mechanism.

[0010] Optionally, the bottom of the sheet metal support platform frame is equipped with platform moving rollers made of nylon.

[0011] Optionally, the plate support platform frame is constructed by welding 80×60×5mm rectangular steel pipes.

[0012] Optionally, the side limiting seat is adjustablely mounted on the side limiting seat mounting mechanism using M8×10 cylindrical head hex bolts.

[0013] Optionally, the tail end limit seat is installed on the tail end limit seat mounting mechanism by means of an M8×10 cylindrical head hex bolt.

[0014] Optionally, both the side limiting seat and the tail limiting seat are provided with strip-shaped adjustment holes, the long axis of which is parallel to the extension direction of the sheet support platform frame.

[0015] Optionally, the mounting base surfaces of the side limit seats and the tail limit seats are perpendicular to the working surface of the sheet metal support saw blade.

[0016] Optionally, the longitudinal positioning reinforcing rib of the blade is provided with several limiting grooves, and the plate support saw teeth are engaged in the limiting grooves.

[0017] Optionally, the tail end limit seat mounting mechanism achieves positioning and installation through the limit groove of the plate supporting the sawtooth strip.

[0018] The beneficial effects of this utility model are as follows:

[0019] The application of 2D planar laser cutting sheet positioning fixtures has brought significant benefits to the field of 2D laser cutting production of automotive sheet metal.

[0020] First, this fixture optimizes the limiting method for laser-cut sheet metal. By employing specialized limiting mechanisms, such as side limiting seats, side limiting seat mounting mechanisms, tail-end limiting seats, and tail-end limiting seat mounting mechanisms, the fixture achieves precise positioning of the sheet metal. This limiting method not only improves positioning accuracy but also enhances positioning stability, thereby ensuring that the cut parts are dimensionally accurate and regularly shaped, significantly reducing the scrap rate and production costs.

[0021] Secondly, this tooling reduces the scrap rate of defective laser-cut parts caused by improper positioning. By employing a more scientific and rational positioning method, the tooling effectively avoids cutting quality problems caused by inaccurate positioning. This not only improves the product qualification rate but also enhances the company's market competitiveness.

[0022] Furthermore, this fixture reduces the debugging time for switching between different types of sheet metal and improves sheet metal positioning efficiency. Traditional positioning methods often require a significant amount of time to adjust the positioning sheet metal, while this fixture, through its adjustable installation method and strip-shaped adjustment holes, makes switching between different types of sheet metal much faster and more convenient. This not only improves production efficiency but also reduces the labor intensity of operators.

[0023] It is worth mentioning that the tooling was designed with production costs and environmental protection requirements in mind. By utilizing waste materials or scraps, the tooling achieves resource reuse, reduces the need for new materials, thereby lowering production costs and contributing to environmental sustainability.

[0024] In summary, the application of 2D planar laser cutting sheet metal positioning fixtures has brought numerous beneficial effects to the 2D laser cutting production of automotive sheet metal, including optimized positioning methods, reduced scrap rates, improved production efficiency, and environmental and energy-saving aspects. These effects not only enhance enterprise production efficiency and product quality but also contribute to the continued development and progress of this field.

[0025] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, wherein:

[0027] Figure 1 is a schematic diagram of the overall structure of this utility model.

[0028] Reference numerals: 1. Side limiting seat; 2. Tail-end limiting seat; 3. Side limiting seat mounting mechanism; 4. Sheet metal support serrations; 5. Tail-end limiting seat mounting mechanism; 6. Lateral positioning reinforcing rib; 7. Longitudinal positioning reinforcing rib; 8. Support frame. Detailed Implementation

[0029] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this utility model. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0030] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures. They should not be construed as limiting the present invention. To better illustrate the embodiments of the present invention, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0031] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "front," and "rear" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this utility model. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0032] Example 1,

[0033] Please refer to Figure 1, which shows a 2D planar laser cutting fixture for positioning sheet metal. This fixture is used to position the sheet metal to be cut, ensuring the accuracy and efficiency of laser cutting. The fixture includes several key components, which will be described in detail below with reference to the accompanying reference numerals:

[0034] Support Frame 8: As the foundation of the entire positioning fixture, support frame 8 is welded from 80×60×5mm rectangular steel pipes, possessing sufficient strength and stability to support other components and the sheet metal to be cut. The bottom of support frame 8 is equipped with nylon platform casters for easy movement and positioning of the fixture.

[0035] Lateral positioning stiffeners 6 and longitudinal positioning stiffeners 7: To enhance the rigidity and stability of the support frame 8, lateral positioning stiffeners 6 and longitudinal positioning stiffeners 7 are installed inside the support frame 8. These stiffeners are orthogonally welded to form a grid-like support structure, which not only improves the overall strength of the tooling but also provides a stable reference for the installation of subsequent components.

[0036] Sheet support saw teeth 4: Sheet support saw teeth 4 are installed on the grid formed by the intersection of the transverse positioning reinforcing ribs 6 and the longitudinal positioning reinforcing ribs 7, and are used to support the sheet metal to be cut. The design of sheet support saw teeth 4 can increase the friction between the sheet metal and the tooling, and prevent the sheet metal from sliding or shifting during the cutting process.

[0037] Side limiting seat 1 and side limiting seat mounting mechanism 3: Side limiting seat 1 is used to restrict the movement of the sheet metal in the lateral direction. Side limiting seat 1 is adjustablely mounted between two adjacent sheet metal support teeth 4 via side limiting seat mounting mechanism 3. Side limiting seat mounting mechanism 3 is welded to the lateral positioning reinforcing rib 6 or the longitudinal positioning reinforcing rib 7, while side limiting seat 1 is fixed to side limiting seat mounting mechanism 3 by M8×10 cylindrical head hex bolts. This adjustable mounting method allows side limiting seat 1 to be adjusted according to the size and shape of different sheet metals to adapt to different types of cutting needs.

[0038] Tail-end limiting seat 2 and tail-end limiting seat mounting mechanism 5: Tail-end limiting seat 2 is used to restrict the movement of the sheet metal in the longitudinal direction. Tail-end limiting seat 2 is mounted on the end of the longitudinal positioning reinforcing rib 7 via tail-end limiting seat mounting mechanism 5. Tail-end limiting seat mounting mechanism 5 uses the limiting groove of the sheet metal support saw teeth 4 for positioning and installation, while tail-end limiting seat 2 is fixed to tail-end limiting seat mounting mechanism 5 by M8×10 cylindrical head hexagonal bolts. Similar to the side limiting seat 1, tail-end limiting seat 2 is also adjustable to adapt to the cutting requirements of different sheet metals.

[0039] Strip-shaped adjustment holes: To facilitate the adjustment of the positions of the side limit seat 1 and the tail limit seat 2, both the side limit seat 1 and the tail limit seat 2 are provided with strip-shaped adjustment holes. The long axis of the strip-shaped adjustment holes is parallel to the extension direction of the support frame 8, allowing the operator to change the specific positions of the side limit seat 1 and the tail limit seat 2 by adjusting the position of the bolts in the strip-shaped adjustment holes. This design not only improves the flexibility of positioning but also enhances the adaptability of the tooling.

[0040] Example 2,

[0041] In practice, the operator first places the sheet material to be cut on the support frame 8, ensuring it contacts the sheet material support saw teeth 4. Then, based on the size and shape of the sheet material, the positions of the side limiting seat 1 and the tail limiting seat 2 are adjusted to ensure they fit tightly against the edge of the sheet material. Finally, the laser cutting equipment is started, and cutting is performed according to the predetermined cutting path.

[0042] By adopting the above-described structure and components, the 2D planar laser cutting plate positioning fixture provided in this embodiment can effectively solve the problems of inaccurate plate positioning and difficulty in adjustment in the prior art, thereby improving the accuracy and efficiency of laser cutting.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of this technical solution, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. 2D planar laser cutting plate positioning fixture, used for positioning the plate to be cut, characterized in that: The system includes a sheet metal support platform frame, and transverse and longitudinal positioning reinforcing ribs disposed within the sheet metal support platform frame. The transverse and longitudinal positioning reinforcing ribs are orthogonally welded to form a grid-like support structure, on which several sheet metal support serrations are installed. A side limiting seat mounting mechanism is selectively welded between two adjacent sheet metal support serrations. A tail limiting seat mounting mechanism is also provided at the end of the longitudinal positioning reinforcing rib. A side limiting seat is installed on the side limiting seat mounting mechanism, and a tail limiting seat is installed on the tail limiting seat mounting mechanism.

2. The 2D planar laser cutting plate positioning fixture according to claim 1, characterized in that: The bottom of the sheet metal support platform frame is equipped with platform moving rollers made of nylon.

3. The 2D planar laser cutting plate positioning fixture according to claim 1, characterized in that: The frame of the sheet metal support platform is constructed by welding 80×60×5mm rectangular steel pipes.

4. The 2D planar laser cutting plate positioning fixture according to claim 1, characterized in that: The side limit seat is adjustablely mounted on the side limit seat mounting mechanism using M8×10 cylindrical head hex bolts.

5. The positioning fixture for 2D planar laser cutting of sheet metal according to claim 1, characterized in that: The tail end limit seat is installed on the tail end limit seat mounting mechanism by means of an M8×10 cylindrical head hex bolt.

6. The 2D planar laser cutting plate positioning fixture according to claim 1, characterized in that: Both the side limiting seat and the tail limiting seat are provided with strip-shaped adjustment holes, and the long axis of the strip-shaped adjustment holes is parallel to the extension direction of the sheet support platform frame.

7. The 2D planar laser cutting plate positioning fixture according to claim 1, characterized in that: The mounting base surfaces of the side limit seats and the tail limit seats are perpendicular to the working surface of the sheet metal support saw blade.

8. The 2D planar laser cutting plate positioning fixture according to claim 1, characterized in that: The longitudinal positioning reinforcing rib of the blade has several limiting grooves, and the plate support saw teeth are engaged in the limiting grooves.

9. The 2D planar laser cutting plate positioning fixture according to claim 8, characterized in that: The tail end limit seat installation mechanism achieves positioning and installation through the limit groove of the plate supporting the saw toothed strip.