TCT straight knife

Abstract

The utility model discloses a TCT straight knife in the field of straight knives, which comprises a knife handle and a cutting head integrally formed with the knife handle, the surface of the cutting head extends outwards to form an inclined cutting part, the surface of the cutting head extends outwards to form a chip removal part, the surface of the chip removal part sinks towards the inside of the chip removal part to form a chip removal groove, and the chip removal groove is formed in the surface of the cutting head. A chip removal groove is formed in the cutting head and extends in the inclination direction of the chip removal part, one end of the cutting head extends outwards to form a straight blade rod, the surface of the straight blade rod extends outwards to form inclined tool edge parts, and chip separation grooves are formed between the tool edge parts; according to the TCT straight cutter, the surface of the straight blade rod extends to form the inclined cutter edge parts and the chip separating grooves between the cutter edge parts, the cutting capacity and the chip discharging effect of the cutter are enhanced, the cutting process is smoother, the chip discharging grooves extend in the inclined direction of the chip discharging parts, cuttings generated in the cutting process can be rapidly discharged, and the cutting efficiency is improved. And cutter abrasion and machining surface quality reduction caused by chip accumulation are prevented.

Description

Technical Field

[0001] This utility model relates to the field of straight blades, specifically a TCT straight blade. Background Technology

[0002] TCT straight cutters are a special type of cutting tool whose cutting edge is primarily made of cemented carbide (also known as tungsten steel). Due to their wear resistance, durability, high cutting precision, and improved efficiency, these tools hold an important position in the cutting industry, especially in furniture, woodworking, and construction. TCT straight cutters are versatile, suitable for various machining tasks such as grooving, cutting, trimming, and instant drilling. They are particularly suitable for CNC machining equipment such as CNC engraving machines and CNC machining centers, significantly improving machining efficiency and precision.

[0003] Publication (Announcement) No.: CN203636929U, a TCT straight cutter includes a shank and an alloy bar cutter body, wherein the rear end of the alloy bar cutter body is welded to the shank, and the front two sides of the alloy bar cutter body are respectively provided with cutting edges, which are symmetrically arranged along the axis of the alloy bar cutter body. It has the advantages of high production efficiency, stable cutter body quality, high cutting accuracy, wide range of applications, and convenient operation.

[0004] The TCT straight cutter with the above-mentioned structure also has the following defects: the surface of the alloy bar cutter body is not equipped with chip removal grooves, making it difficult to remove chips generated when the alloy bar cutter body is cutting. This causes chips to cut during cutting, and due to the large cutting volume, chips cannot be removed in real time. The accumulated chips will cause local temperature rise and repeated chipping. Once the chips become blocked, the cutting operation cannot continue, the machining must be temporarily stopped, and the cutting tool must be replaced. The residual chips make the cutting process unsmooth, and repeated cutting will lead to wear of the straight cutter and a decrease in the surface quality of the machined surface. The residual chips are easy to adhere to the inner wall of the machined material. In addition, chips will also accumulate on the cutter head and the side of the cutter head, making it impossible for the cutter head to advance, which in turn leads to the inability to cut deep into the workpiece material, increasing cutting resistance and cutting force. Finally, the machining efficiency is significantly reduced, the machining cost is increased, and the TCT straight cutter's cutting ability and cutting efficiency are reduced. Utility Model Content

[0005] In order to overcome the shortcomings of existing technical solutions, this utility model provides a TCT straight cutter, which can effectively solve the technical problems of poor cutting ability, low cutting efficiency and difficulty in chip removal of existing TCT straight cutters.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a TCT straight cutter, including a cutter shank and a cutting head integrally formed with the cutter shank. The surface of the cutting head extends outward to form a beveled section, and the surface of the cutting head extends outward to form a chip removal section. The surface of the chip removal section is recessed inward to form a chip removal groove. The chip removal groove extends along the inclined direction of the chip removal section. One end of the cutting head extends outward to form a straight cutting rod. The surface of the straight cutting rod extends outward to form an inclined cutting edge. Chip-separating grooves are formed between the cutting edges.

[0007] Furthermore, the surface of the beveled portion is provided with a curved surface piece, which extends along the inclined direction of the beveled portion.

[0008] Furthermore, the inner wall of the chip removal section is provided with an inclined blade, which extends along the inner wall of the chip removal section.

[0009] Furthermore, the length of the inclined chipper is less than the length of the chip removal section.

[0010] Furthermore, the inner wall of the chip-dividing groove is provided with a cutting blade, which extends along the inner wall of the chip-dividing groove.

[0011] Furthermore, the surfaces of the beveled portion, the chip removal portion, and the cutting edge portion are all coated.

[0012] Furthermore, the coating is one of TiNC coating, TiN coating, TiSiNC coating, diamond-like carbon coating, aluminum oxide coating, nickel-chromium alloy coating, and tungsten carbide coating.

[0013] Furthermore, both the tool holder and the cutting head are made of high-speed steel.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: The TCT straight cutter of this utility model has an inclined cutting edge formed by the extension of the straight cutting edge surface and a chip groove between the cutting edges, which enhances the cutting ability and chip removal effect of the tool, making the cutting process smoother. The chip groove extends along the inclined direction of the chip removal part, which can quickly remove the chips generated during the cutting process, prevent the tool wear and the decline in the surface quality caused by chip accumulation. The inclined cutting part formed by the outward extension of the cutting head surface can more effectively cut into the workpiece material, reduce cutting resistance and cutting force, improve cutting efficiency, and help to form a smoother machined surface. Attached Figure Description

[0015] Figure 1 This is a perspective view of a TCT straight blade according to the present invention;

[0016] Figure 2 for Figure 1 Enlarged view of a portion of point A in the middle;

[0017] Figure 3 This is a side view of a TCT straight knife according to the present invention.

[0018] Numbering on the map:

[0019] 1-Tool holder; 2-Cutting head; 3-Bevel section; 4-Curved surface plate; 5-Chip removal section; 6-Chip removal groove; 7-Bevel plate; 8-Straight cutting rod; 9-Tool edge; 10-Chip separating groove; 11-Splitting plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1-3 As shown, a TCT straight cutter includes a shank 1 and a cutting head 2 integrally formed with the shank 1. The surface of the cutting head 2 extends outward to form a beveled portion 3, and the surface of the cutting head 2 extends outward to form a chip removal portion 5. The surface of the chip removal portion 5 is recessed inward to form a chip removal groove 6, which extends along the inclined direction of the chip removal portion 5. One end of the cutting head 2 extends outward to form a straight cutting edge 8, and the surface of the straight cutting edge 8 extends outward to form an inclined cutting edge 9. A chip-breaking groove 10 is formed between the cutting edges 9. The chip-breaking groove 10 has a large opening, allowing most of the chips generated during cutting to be discharged from the chip-breaking groove 10. The chip-breaking groove 10 also serves a heat dissipation function, dissipating the heat generated during cutting and reducing the accumulation of heat and chips. This prevents chips from accumulating on the cutting head 2, which could prevent the cutting head 2 from advancing and thus avoid failing to cut deep into the workpiece material. By setting the chip-breaking groove 6, the remaining small amount of chips can be discharged, greatly improving the chip removal capacity.

[0022] The surface of the beveled section 3 is provided with a curved surface plate 4, which extends along the inclined direction of the beveled section 3. The inner wall of the chip removal section 5 is provided with a beveled blade 7, which extends along the inner wall of the chip removal section 5. The length of the beveled blade 7 is less than the length of the chip removal section 5, which can further optimize the force distribution during the cutting process and improve machining accuracy and surface quality. The inner wall of the chip divider 10 is provided with a cutting blade 11, which extends along the inner wall of the chip divider 10. The surfaces of the beveled section 3, the chip removal section 5, and the cutting edge 9 are all provided with a coating, which is a TiNC coating, and can significantly improve the cutting edge... The tool's hardness, wear resistance, corrosion resistance, and high-temperature stability further extend the service life of the straight cutter. Both the tool holder 1 and the cutting head 2 are made of high-speed steel, ensuring the straight cutter's high strength, high hardness, and good cutting performance. It is suitable for various high-difficulty and high-efficiency cutting tasks. Furthermore, the curved surface plate 4, the slant cutting plate 7, and the cutting plate 11 are all plate-like structures, and are all made of cemented carbide. They have a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. Even at a temperature of 500℃, they remain basically unchanged, and at 1000℃, they still have very high hardness.

[0023] In this embodiment, a TCT straight cutter features an inclined cutting edge 9 extending from the surface of the straight cutting rod 8 and a chip-removing groove 10 between the cutting edge 9. These features enhance the cutting ability and chip removal effect of the cutter, making the cutting process smoother. The chip removal groove 6 extends along the inclined direction of the chip removal part 5, which can quickly remove the chips generated during the cutting process, preventing chip accumulation that leads to tool wear and a decrease in the quality of the machined surface. The inclined cutting part 3 extending outward from the surface of the cutting head 2 can more effectively cut into the workpiece material, reduce cutting resistance and cutting force, improve cutting efficiency, and help form a smoother machined surface. It can effectively guide the chips to be discharged smoothly, improving the smoothness of chip removal and preventing overheating during the cutting process, which would reduce the service life.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A TCT straight cutter, comprising a tool holder and a cutting head integrally formed with the tool holder, characterized in that: The surface of the cutting head extends outward to form a beveled section, the surface of the cutting head extends outward to form a chip removal section, the surface of the chip removal section is recessed inward to form a chip removal groove, the chip removal groove extends along the inclined direction of the chip removal section, one end of the cutting head extends outward to form a straight cutting bar, the surface of the straight cutting bar extends outward to form an inclined cutting edge, and chip separation grooves are formed between the cutting edges.

2. The TCT straight blade according to claim 1, characterized in that: The surface of the beveled portion is provided with a curved surface piece, which extends along the inclined direction of the beveled portion.

3. A TCT straight blade according to claim 1, characterized in that: The inner wall of the chip removal section is provided with an oblique cutting blade, which extends along the inner wall of the chip removal section.

4. A TCT straight blade according to claim 3, characterized in that: The length of the oblique cutting blade is less than the length of the chip removal section.

5. A TCT straight blade according to claim 1, characterized in that: The inner wall of the chip separating groove is provided with a cutting blade, which extends along the inner wall of the chip separating groove.

6. A TCT straight blade according to any one of claims 1-5, characterized in that: The surfaces of the beveled section, chip removal section, and cutting edge section are all coated.

7. A TCT straight blade according to claim 6, characterized in that: The coating is one of the following: TiNC coating, TiN coating, TiSiNC coating, diamond-like carbon coating, aluminum oxide coating, nickel-chromium alloy coating, and tungsten carbide coating.

8. A TCT straight blade according to claim 1, characterized in that: Both the tool holder and the cutting head are made of high-speed steel.

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