Cutting, supporting and positioning device for composite laminated board

By combining a metal back plate and a transparent plastic support plate with a powerful spring clamping mechanism, the problem of fixing composite laminates during cutting is solved, achieving stable clamping and easy cleaning, and reducing cutting damage.

CN223877084UActive Publication Date: 2026-02-06WUHU STATE-OWNED FACTORY OF MACHINING
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Patent Information

Application Number
CN202520243053.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-02-06
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Composite laminates are prone to defects such as splitting and delamination during cutting. Existing fixing methods are difficult to use effectively and are also difficult to clean, affecting the repair and experimental process.

Method used

It adopts a combination of a metal back plate and a transparent plastic support plate with a strong spring clamping mechanism, and is magnetically fixed to the worktable of a precision grinding machine. Rubber pads are set on the clamping mechanism to prevent scratches. It can be clamped at the four corners to ensure easy fixation and cleaning.

Benefits of technology

It effectively solves the problem of unstable fixation during the cutting of composite laminates, reduces the probability of damage such as delamination and edge splitting, and facilitates cleaning after cutting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of composite material laminated board cutting, in particular to a supporting and positioning device for composite material laminated board cutting. Comprising a metal back plate used for being fixed between the whole tool and a precision grinding machine workbench during cutting, a transparent plastic supporting plate fixed to the metal back plate through fixing nuts, and a plurality of sets of strong spring clamping mechanisms used for fixing a laminated board to be cut to the transparent plastic supporting plate. The problem that the composite material laminated board is difficult to fix in the cutting process is effectively solved when the composite material laminated board is cut, cleaning is convenient after cutting is completed, and meanwhile the probability of damage such as layering and edge splitting of the cut laminated board can be reduced.
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Description

Technical Field

[0001] This utility model relates to the field of composite material laminate cutting technology, specifically a composite material laminate cutting support and positioning device. Background Technology

[0002] High-performance composite materials have wide applications in high-tech fields such as aerospace and wind power generation. In routine maintenance and experimental research, there is a frequent need to cut and fabricate samples or perform repairs, with carbon fiber composite laminates being the most common example. When cutting composite laminates, defects such as splitting and delamination are easily generated, affecting the repair and experimental process. Currently, the common method of fixing the laminate during cutting is to stick double-sided tape on the back. This is difficult to clean after cutting, and removing the double-sided tape can easily cause delamination and edge splitting damage to the sample laminate.

[0003] Chinese patent application CN202322721763.2 and publication CN220922515U disclose a composite material pipe cutting and inspection support frame. This frame uses a cutting assembly to cut the composite material pipe, and a conveying assembly allows the pipe to be moved after a section has been cut. This method is suitable for pipe fittings, but cannot be used for cutting composite laminates.

[0004] Chinese patent application number CN202322472168.X and publication number CN22091138U disclose a cutting fixture for composite material parts. This device is mainly used for laser cutting of automotive parts. It cannot be used for aerospace composite laminate structures, and the laser cutting process will cause ablation damage to the edges of the composite material, making it unsuitable for aerospace product repair and experimental research.

[0005] Therefore, it is necessary to develop support and quick positioning fixtures for abrasive wheel cutting of carbon fiber composite laminates. Utility Model Content

[0006] To address the aforementioned problems, this utility model proposes a composite material laminate cutting support positioning device.

[0007] A composite laminate cutting support and positioning device includes a metal back plate for fixing the entire fixture to the precision grinding machine table during cutting, a transparent plastic support plate fixed to the metal back plate by fixing nuts, and several sets of strong spring clamping mechanisms for fixing the laminate to be cut to the transparent plastic support plate.

[0008] Furthermore, the metal back plate has a built-in magnetic block.

[0009] Furthermore, the high-strength spring clamping mechanism is an elbow clamp.

[0010] Further, the strong spring clamping mechanism is arranged at four corners of the cut laminated board.

[0011] The utility model discloses the beneficial effect is:

[0012] The utility model solves the problem of difficult fixation during the cutting of the composite laminated board, and reduces the probability of delamination and edge splitting damage of the cut laminated board. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further described below in combination with the drawings and examples.

[0014] Figure 1 It is the front view structural schematic drawing of the utility model;

[0015] Figure 2 It is the top view structural schematic drawing of the utility model;

[0016] Reference signs:

[0017] 1, metal backboard; 2, transparent plastic support plate; 3, strong spring clamping mechanism; 4, rubber pad; 5, cut laminated board; 6, fixed nut. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below.

[0019] As shown in Figure 1 and Figure 2 A composite laminated board cutting support positioning device, comprising a metal backboard 1 for fixing between the entire tooling and the precision grinding machine workbench during cutting, a transparent plastic support plate 2 fixed on the metal backplate 1 by a fixed nut 6, a plurality of strong spring clamping mechanisms 3 for fixing the cut laminated board 5 on the transparent plastic support plate 2, the transparent plastic support plate 2 is used as a support for cutting laminated board, and is also a consumable that needs to be replaced after multiple cutting.

[0020] The metal backplate 1 is provided with a magnetic block for realizing the magnetic attraction between the entire tooling and the precision grinding machine workbench during cutting.

[0021] As shown in Figure 1 and Figure 2 The strong spring clamping mechanism 3 is provided with a rubber pad 4 at the end to prevent scratching the cut laminated board 5, which is low in cost and good in scratch prevention effect.

[0022] Specific, as an optimization design, the rubber pad 4 surface is provided with anti-skid lines, prevent the phenomenon of sliding when working.

[0023] The utility model discloses a cutting device for composite material laminated board, which effectively solves the problem of difficult fixation of the composite material laminated board during cutting and reduces the probability of delamination and edge splitting of the cut laminated board.

[0024] As Figure 1 The strong spring clamping mechanism 3 is an elbow clamp, which is used for clamping the cut laminated board 5 during cutting test.

[0025] In actual application, the strong spring clamping mechanism is arranged at four corners of the cut laminated board 5, and four groups are arranged.

[0026] The use method of the utility model is as follows:

[0027] Firstly, the transparent plastic support plate 2 and the surface of the cut laminated board 5 are cleaned to ensure that the adhering surface is free of foreign matters and the surface of the composite material laminated board is prevented from being scratched.

[0028] Secondly, the cut laminated board 5 is placed on the transparent plastic support plate 2, and the strong spring clamping mechanism 3 is used for clamping to ensure that the composite material laminated board and the support plate are closely adhered.

[0029] Thirdly, the machine tool cabin door is opened, the whole cutting support positioning device is placed in the middle position of the precision grinding machine workbench, and the grinding machine magnetic attraction function is started to fix the cutting support positioning device.

[0030] Fourthly, according to the cutting requirement, the initial position of the cutting blade is determined, and interference with the clamping device 3 is avoided.

[0031] Fifthly, the cutting depth, speed and quantity parameters are set.

[0032] Sixthly, the machine tool cabin door is closed, the cutting fluid and the machine tool main shaft are opened, and it is ensured that the cutting fluid can be normally circulated.

[0033] Seventhly, cutting is started.

[0034] Eighthly, after cutting is stopped, the surface of the cut laminated board 5 and the cutting support positioning device is cleaned of the cutting fluid and sundries.

[0035] Ninthly, the device is taken out from the precision grinding machine workbench.

[0036] Tenthly, the strong spring clamping mechanism 3 is loosened, and then the cut laminated board 5 and the support tooling are cleaned.

[0037] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A composite laminate cutting support positioning device, characterized by: It includes a metal back plate (1) for fixing the whole tooling and the precision grinding machine workbench when cutting, a transparent plastic support plate (2) fixed on the metal back plate (1) by fixing nuts (6), and several groups of strong spring clamping mechanisms (3) for fixing the cutting laminated board (5) on the transparent plastic support plate (2).

2. A composite material laminate cutting support positioning device as defined in claim 1, wherein: The metal back plate (1) is internally provided with a magnetic block.

3. The composite laminate cutting support and positioning device of claim 1, wherein: The strong spring clamping mechanism (3) is provided with a rubber pad (4) at the end to prevent scratching the cutting laminated board (5).

4. A composite material laminate cutting support positioning device as defined in claim 3, wherein: The rubber pad (4) is provided with anti-skid lines on the surface.

5. The composite material laminate cutting support positioning apparatus of Claim 1, wherein: The strong spring clamping mechanism (3) is an elbow clamp.

6. A composite material laminate cutting support positioning device as defined in claim 1, wherein: The strong spring clamping mechanism is arranged at the four corners of the cutting laminated board (5).

Citation Information

Patent Citations

  • Composite material pipeline cutting detection supporting frame

    CN220922515U

  • A composite material parts cutting tool

    CN220971138U