A carbon fiber composite material slitting bottom knife

CN224928076UActive Publication Date: 2026-11-03JIANGSU YINGYOU TEXTILE MACHINERY
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Patent Information

Application Number
CN202521766473.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-19
Publication Date
2026-11-03
Estimated Expiration
2035-08-19

AI Technical Summary

Technical Problem

Existing carbon fiber composite material slitting tools have insufficient edge protection, poor debris removal, and limited compatibility, which affects slitting quality and efficiency.

Method used

A bottom cutter for slitting carbon fiber composite materials is designed, which adopts an inclined surface and beveled groove structure, combined with a right-angle groove design, to protect the cutting edge and smoothly remove debris, and is compatible with a variety of slitting tools.

Benefits of technology

It effectively protects the cutting edge of the slitting blade, smoothly removes debris, improves slitting quality and efficiency, adapts to various slitting methods, and extends the life of the cutting tool.

✦ Generated by Eureka AI based on patent content.

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Abstract

A kind of carbon fiber composite material slitting with bottom tool, including bottom tool disc by metal processing, the bottom tool disc is fixedly installed on roller, and bottom tool disc is rotated by motor driven roller;Two side edges of the disc edge of the bottom tool disc for shearing are provided with inclined surface inclined to the rotation center of inner disc, and circle annular bevel groove is arranged at the disc surface along the root of inclined surface.The right angle groove suitable for right angle cutter is opened along the disc rim of the bottom tool disc.The problems existing in the prior art are effectively solved, and the bottom tool has the advantages of protecting the cutting edge, smoothly removing debris, adapting to various slitting cutters and various slitting methods.
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Description

Technical Field

[0001] This utility model relates to the field of composite material processing equipment, and in particular to a bottom knife for slitting carbon fiber composite materials. Background Technology

[0002] In the production and processing of carbon fiber composite materials, slitting is a crucial step. Existing slitting tools often fail to adequately protect the cutting edge, leading to easy edge wear. Furthermore, they do not effectively remove debris during the shearing process, affecting slitting quality and efficiency. In addition, the types of slitting tools available are limited, failing to meet diverse slitting needs. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to address the shortcomings of the existing technology by proposing a bottom blade for slitting carbon fiber composite materials to improve slitting quality and efficiency.

[0004] The technical problem to be solved by this utility model is achieved through the following technical solution: a bottom blade for slitting carbon fiber composite materials, characterized by: It includes a bottom cutter disc made of metal, which is fixedly mounted on a roller and driven by a motor to rotate the bottom cutter disc. The two sides of the disc surface edge used for cutting are provided with inclined surfaces that are inclined toward the rotation center of the inner disc surface, and an annular oblique groove is provided at the disc surface along the root of the inclined surface.

[0005] The technical problem to be solved by this utility model can also be further achieved through the following technical solution, wherein the inclination angle of the inclined surface is 2~3°.

[0006] The technical problem to be solved by this utility model can also be further achieved by the following technical solution: a central groove is opened along the circumferential direction of the edge of the bottom cutter disc.

[0007] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: the intermediate groove is a right-angle groove adapted to a right-angle cutter.

[0008] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: the right-angle groove is opened at the center of the circumferential rim of the bottom cutter disc.

[0009] Compared with the prior art, the present invention effectively solves the problems of existing slitting tools by setting an inclined shearing surface and beveled and right-angled grooves in the bottom knife for slitting carbon fiber composite materials. It has the advantages of protecting the cutting edge of the slitting tool, smoothly removing debris, and being compatible with a variety of slitting tools and slitting methods. Attached Figure Description

[0010] Figure 1This is a simplified structural diagram of the present invention; Figure 2 for Figure 1 Partial view; Figure 3 This is a magnified view of the cut section. Detailed Implementation

[0011] A bottom cutter for slitting carbon fiber composite materials includes a bottom cutter disc 1 made of metal, which is fixedly mounted on a roller. The roller is driven by a motor to rotate the bottom cutter disc. The two sides of the disc's edge used for cutting are provided with inclined surfaces 2 that slope towards the rotation center of the inner disc surface. An annular beveled groove 3 is provided along the root of the inclined surface. The inclination angle of the inclined surfaces is 2~3°. A right-angled groove is formed along the center of the circumference of the bottom cutter disc. The right-angled groove is located at the exact center of the circumference of the bottom cutter disc, dividing the cutting portion of the bottom cutter disc into two discs, left and right.

[0012] The tilt angle can protect the cutting edge of the slitting knife during the slitting process and guide the fragments generated by shearing through the angled groove.

[0013] The right-angle groove is compatible with right-angle cutters, which facilitates the removal of debris during right-angle cutting. It is also compatible with various types of slitting blades, enabling diverse slitting operations.

[0014] The bottom blade disc can be used with a slitting blade. When the slitting blade is pressed down by air pressure, it forms a shearing effect with the slitting blade to shear the carbon fiber composite material. It can also be used for slitting by pressure cutting.

[0015] As shown in the figure, it mainly consists of a bottom cutter disc 1 made of metal. In actual production, the bottom cutter disc 1 is firmly fixed to the rollers. The motor drives the rollers to rotate, causing the bottom cutter disc 1 to rotate accordingly. The two sides of the bottom cutter disc 1 used for shearing in conjunction with the slitting blade have an inward tilt angle of 2-3°. This tilt angle design has multiple functions. On the one hand, when the slitting blade and the bottom cutter disc 1 are shearing, the tilt angle can effectively prevent the cutting edge of the slitting blade from directly colliding or rubbing violently with the side of the bottom cutter disc 1, thus providing good protection for the cutting edge of the slitting blade and extending the service life of the slitting blade. On the other hand, the debris generated during the shearing process can be smoothly discharged along the inclined groove 3 formed by the tilted blade, preventing debris from accumulating in the shearing area and affecting the slitting effect.

[0016] A right-angle groove 4 is provided in the middle of the bottom blade disc 1. When using a right-angle cutter for slitting, the right-angle cutter can precisely fit into the right-angle groove 4. During the right-angle shearing process, the right-angle groove 4 not only provides a stable shearing position for the right-angle cutter, but also allows the shearing debris generated to be smoothly discharged along the right-angle groove 4, ensuring continuous and efficient shearing. At the same time, due to the presence of the right-angle groove 4, the bottom blade of this invention can be adapted to various types of slitting blades, including right-angle cutters and other shaped cutters, greatly improving the versatility and applicability of the bottom blade. During operation, the slitting blade generates a downward pressing action under air pressure, forming a shearing force with the rotating bottom blade disc 1 to shear the carbon fiber composite material. Furthermore, this bottom blade also has the ability to slitting using a pressure cutting method, further enriching the selection of slitting processes. It can flexibly adjust the slitting method according to different carbon fiber composite material characteristics and slitting requirements, improving slitting quality and efficiency.

[0017] In summary, the bottom blade for slitting carbon fiber composite materials of this utility model, through its unique structural design, effectively solves the problems existing in existing slitting tools. It has advantages such as protecting the cutting edge, smoothly removing debris, adapting to various slitting blades, and supporting multiple slitting methods. It has good application prospects and promotional value in the field of carbon fiber composite material slitting. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

Claims

1. A bottom blade for slitting carbon fiber composite materials, characterized in that: It includes a bottom cutter disc made of metal, which is fixedly mounted on a roller and driven by a motor to rotate the bottom cutter disc. The two sides of the disc surface edge used for cutting are provided with inclined surfaces that are inclined toward the rotation center of the inner disc surface, and an annular oblique groove is provided at the disc surface along the root of the inclined surface.

2. The bottom blade for slitting carbon fiber composite materials according to claim 1, characterized in that: The inclination angle of the inclined surface is 2~3°.

3. The bottom blade for slitting carbon fiber composite materials according to claim 1, characterized in that: A central groove is formed along the circumferential edge of the bottom cutter disc.

4. The bottom blade for slitting carbon fiber composite materials according to claim 3, characterized in that: The intermediate groove is a right-angle groove adapted to a right-angle cutter.

5. The bottom blade for slitting carbon fiber composite materials according to claim 4, characterized in that: The right-angle groove is located at the center of the circumference of the bottom cutter head.