Turning blade with CVD (Chemical Vapor Deposition) coating

Abstract

The utility model relates to the field of turning blades, and discloses a turning blade with a CVD (chemical vapor deposition) coating, which comprises a blade body, heat dissipation mechanisms are arranged on the upper surface and the lower surface of the blade body, and each heat dissipation mechanism comprises heat dissipation holes formed in the front end and the rear end of the upper surface of the blade body. A plurality of heat dissipation grooves are formed in the inner wall of the heat dissipation hole, a water guiding groove is formed in the middle of the inner wall of the heat dissipation hole, and a water flowing groove, a water guiding groove, a side end water guiding opening, a water guiding opening, a front end water guiding opening and a rear end water guiding opening are formed in the upper surface and the lower surface of the blade body correspondingly. According to the turning blade, when the turning blade is used, the turning blade is firstly fixed on the cutter body through the through hole, then cooling liquid flows into the water guide groove along with the water flow groove in the cutting machining process through the cutter feeding part, flows into the heat dissipation holes along the water guide groove after flowing into the water guide groove, and flows out along the heat dissipation groove; and when the tool needs to be replaced, the blade can be taken down through the through hole.

Description

Technical Field

[0001] This utility model relates to the field of turning inserts, and more particularly to a turning insert with a CVD coating. Background Technology

[0002] Turning inserts are commonly used cutting tools in metalworking. They are inserts used on lathes to perform turning operations on workpieces. Turning inserts typically consist of two parts: a tool body and an insert. The insert is mounted on the tool body, and then the workpiece is cut by the movement of the lathe. There are many types of turning inserts, including external turning inserts, internal turning inserts, and thread turning inserts. The shape, tip angle, cutting edge shape, and cutting edge angle of the turning insert affect the cutting force, surface quality, and machining efficiency. Turning inserts are generally made of materials such as cemented carbide, ceramics, and high-speed steel. Different materials are used for different machining materials and conditions.

[0003] Some current turning inserts generate a lot of heat after prolonged use, which reduces their lifespan and affects their turning accuracy. Furthermore, the surface of some current turning inserts is easily worn during turning operations, affecting their lifespan as well.

[0004] Therefore, those skilled in the art have provided a turning insert with a CVD coating to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a turning insert with a CVD coating. The turning insert is sequentially coated with an anti-corrosion layer and a CVD coating. The anti-corrosion layer is made of epoxy resin, which has excellent corrosion resistance and is suitable for long-term protection of metal surfaces. The CVD coating is made of chromium nitride, which can improve the wear resistance of the tool without reducing the toughness of the substrate and extend the tool's service life.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A turning insert with a CVD coating includes an insert body. The upper and lower surfaces of the insert body are provided with heat dissipation mechanisms. The heat dissipation mechanisms include heat dissipation holes at the front and rear ends of the upper surface of the insert body, multiple heat dissipation grooves on the inner wall of the heat dissipation holes, and a water guide groove in the middle of the inner wall of the heat dissipation holes. The upper and lower surfaces of the insert body are respectively provided with a water flow groove, a water guide groove, a side water inlet, a water guide, and front and rear end water inlets.

[0008] The outer wall of the blade body is provided with a protective mechanism, which includes an anti-corrosion layer fixedly connected to the outer wall of the blade body, and also includes a CVD coating.

[0009] With the above technical solution, when using the turning insert, the turning insert is first fixed to the tool body through the through hole. Then, during the cutting process through the feed section, the coolant flows into the water inlet channel along the water inlet channel. After flowing into the water inlet channel, it flows into the heat dissipation hole along the water inlet channel and flows out along the heat dissipation channel to cool the turning insert. When it is necessary to change the tool, the insert can be removed simply through the through hole.

[0010] Furthermore, the CVD coating is fixedly attached to the outer wall of the anti-corrosion layer;

[0011] Through the above technical solution, an anti-corrosion layer and a CVD coating are sequentially sprayed onto the turning insert. The anti-corrosion layer is made of epoxy resin, which has excellent corrosion resistance and is suitable for long-term protection of metal surfaces. The CVD coating is made of chromium nitride, which can improve the wear resistance of the tool without reducing the toughness of the substrate and extend the service life of the tool.

[0012] Furthermore, the anti-corrosion layer is made of epoxy resin, and the CVD coating is made of chromium nitride.

[0013] Through the above technical solutions, the anti-corrosion layer is made of epoxy resin, which has excellent corrosion resistance, and the CVD coating is made of chromium nitride, which can improve the wear resistance of the cutting tool.

[0014] Furthermore, the outer walls of both the front and rear ends of the blade body are fixedly connected with infeed portions;

[0015] The above technical solution allows for cutting of the workpiece by setting up an infeed section.

[0016] Furthermore, a through hole is provided at the center of the upper surface of the blade body;

[0017] The above technical solution allows the blade body to be fixed by setting through holes.

[0018] Furthermore, the water flow channel is formed at the edges of the upper and lower surfaces of the blade body, and the water flow channel is connected to the water inlet through the side water inlet and the front and rear water inlets;

[0019] The above technical solution allows the coolant to have a complete flow channel by connecting the water trough with the side inlet and the front and rear inlets.

[0020] Furthermore, the water inlet channel is connected to the heat dissipation channel through a water guide port;

[0021] The above technical solution allows coolant to enter the heat dissipation tank through a water inlet connected to the water inlet of the water inlet.

[0022] Furthermore, a water passage is provided on one inner wall of the water tank;

[0023] The above technical solution allows coolant to flow through all the water tanks by creating water flow channels.

[0024] This utility model has the following beneficial effects:

[0025] 1. The present invention proposes a turning insert with CVD coating. When using the turning insert, the turning insert is first fixed to the tool body through the through hole. Then, during the cutting process through the feed section, the coolant flows into the water inlet channel along the water inlet channel. After flowing into the water inlet channel, it flows into the heat dissipation hole along the water inlet channel and flows out along the heat dissipation channel to cool the turning insert. When it is necessary to change the tool, the insert can be removed simply through the through hole.

[0026] 2. The present invention proposes a turning insert with a CVD coating. The turning insert is sequentially coated with an anti-corrosion layer and a CVD coating. The anti-corrosion layer is made of epoxy resin, which has excellent corrosion resistance and is suitable for long-term protection of metal surfaces. The CVD coating is made of chromium nitride, which can improve the wear resistance of the tool without reducing the toughness of the substrate and extend the service life of the tool. Attached Figure Description

[0027] Figure 1 Axonometric view of a turning insert with CVD coating proposed in this utility model;

[0028] Figure 2 A top view of a turning insert with a CVD coating proposed in this utility model;

[0029] Figure 3 A front sectional view of a turning insert with a CVD coating proposed in this utility model;

[0030] Figure 4 A side sectional view of a turning insert with a CVD coating proposed in this utility model;

[0031] Figure 5 This is a partial cross-sectional view of a turning insert with a CVD coating proposed in this utility model.

[0032] Legend:

[0033] 1. Blade body; 2. Through hole; 3. Heat dissipation mechanism; 301. Water channel; 302. Water inlet channel; 303. Heat dissipation hole; 304. Heat dissipation groove; 305. Water guide channel; 306. Side water inlet; 307. Water guide port; 308. Front and rear water inlets; 309. Water flow passage; 4. Protective mechanism; 401. Anti-corrosion layer; 402. CVD coating; 5. Infeed section. Detailed Implementation

[0034] 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.

[0035] Reference Figure 1-5 One embodiment provided by this utility model:

[0036] A turning insert with a CVD coating includes an insert body 1. The upper and lower surfaces of the insert body 1 are provided with heat dissipation mechanisms 3. The heat dissipation mechanism 3 includes heat dissipation holes 303 at the front and rear ends of the upper surface of the insert body 1. The inner wall of the heat dissipation holes 303 is provided with multiple heat dissipation grooves 304. The middle part of the inner wall of the heat dissipation holes 303 is provided with a water guide groove 305. The upper and lower surfaces of the insert body 1 are respectively provided with a water flow groove 301, a water guide groove 302, a side water inlet 306, a water guide 307, and a front and rear end water inlet 308.

[0037] The outer wall of the blade body 1 is provided with a protective mechanism 4, which includes an anti-corrosion layer 401 fixedly connected to the outer wall of the blade body 1, and the protective mechanism 4 also includes a CVD coating 402.

[0038] When using this turning insert, first fix the turning insert to the tool body through the through hole 2. Then, during the cutting process through the feed part 5, the coolant will flow into the water inlet 302 through the water inlet 301. After flowing into the water inlet 302, it will flow into the heat dissipation hole 303 along the water inlet 302 and then flow out along the heat dissipation groove 304 to cool the turning insert. When it is necessary to change the tool, simply remove the insert through the through hole 2.

[0039] The CVD coating 402 is fixedly connected to the outer wall of the anti-corrosion layer 401. The anti-corrosion layer 401 and the CVD coating 402 are sequentially sprayed onto the turning insert. The anti-corrosion layer 401 is made of epoxy resin, which has excellent corrosion resistance and is suitable for long-term protection of metal surfaces. The CVD coating 402 is made of chromium nitride, which can improve the wear resistance of the tool without reducing the toughness of the substrate, thus extending the tool's service life. The anti-corrosion layer 401 is made of epoxy resin, and the CVD coating 402 is made of chromium nitride. The anti-corrosion layer 401 is made of epoxy resin, which has excellent corrosion resistance. The CVD coating 402 is made of chromium nitride, which can improve the wear resistance of the tool. The front and rear ends of the insert body 1 are both fixedly connected to the feed section 5. By setting the feed section 5, the workpiece can be fed... For cutting, a through hole 2 is provided at the center of the upper surface of the blade body 1. The blade body 1 can be fixed by providing the through hole 2. The water channel 301 is provided at the edge of the upper and lower surfaces of the blade body 1. The water channel 301 is connected to the water channel 302 through the side water inlet 306 and the front and rear water inlets 308. The connection between the water channel 301 and the water channel 302 through the side water inlet 306 and the front and rear water inlets 308 can provide a complete flow channel for the coolant. The water channel 302 is connected to the heat dissipation tank 304 through the guide water inlet 307. The connection between the water channel 302 and the heat dissipation tank 304 through the guide water inlet 307 can allow the coolant to enter the heat dissipation tank 304. A water passage 309 is provided on one inner wall of the water channel 301. The water passage 309 can allow the coolant to pass through all the water channels 301.

[0040] Working principle: When using this turning insert, the insert is first fixed to the tool body through the through hole 2. Then, during the cutting process through the feed section 5, the coolant flows into the water inlet 302 through the side inlet 306 and the front and rear inlet 308 via the water inlet 301. After flowing into the water inlet 302, it flows into the heat dissipation hole 303 through the guide port 307, and then flows into the guide channel 305 along the heat dissipation channel 304. Finally, it flows out from the heat dissipation channel 304, thus cooling the turning insert. The turning insert has an anti-corrosion layer 401 and a CVD coating 402 sprayed sequentially on its outer surface. The anti-corrosion layer 401 is made of epoxy resin, which has excellent corrosion resistance and is suitable for long-term protection of metal surfaces. The CVD coating 402 is made of chromium nitride, which can improve the wear resistance of the tool without reducing the toughness of the substrate, thus extending the tool's service life.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A turning insert with a CVD coating, comprising an insert body (1), characterized in that: The upper surface and the lower surface of the blade body (1) are provided with heat dissipation mechanisms (3), the heat dissipation mechanisms (3) comprise heat dissipation holes (303) which are arranged at the front end and the rear end of the upper surface of the blade body (1), the inner wall of the heat dissipation hole (303) is provided with a plurality of heat dissipation grooves (304), the middle part of the inner wall of the heat dissipation hole (303) is provided with a water guide groove (305), the upper surface and the lower surface of the blade body (1) are respectively provided with water flow grooves (301), water guide grooves (302), side end water guide openings (306), water guide openings (307) and front and rear end water guide openings (308). The outer wall of the blade body (1) is provided with a protection mechanism (4), the protection mechanism (4) comprises a corrosion-resistant layer (401) which is fixedly connected to the outer wall of the blade body (1), and the protection mechanism (4) further comprises a CVD coating (402).

2. A turning insert with a CVD coating according to claim 1, characterized in that: The CVD coating (402) is fixedly connected to the outer wall of the corrosion-resistant layer (401).

3. The turning insert with a CVD coating according to claim 1, characterized in that: The corrosion-resistant layer (401) is made of epoxy resin, and the CVD coating (402) is made of chromium nitride.

4. The turning insert with a CVD coating according to claim 1, characterized in that: The outer wall of the front end and the rear end of the blade body (1) is fixedly connected with an entering part (5).

5. The turned insert with a CVD coating according to claim 1, characterized in that: The upper surface of the blade body (1) is provided with a through hole (2) at the center.

6. The turned insert with a CVD coating according to claim 1, characterized in that: The water flow groove (301) is arranged at the edge of the upper surface and the lower surface of the blade body (1), and the water flow groove (301) is in communication with the water guide groove (302) through the side end water guide opening (306) and the front and rear end water guide opening (308).

7. The turned insert with a CVD coating according to claim 1, characterized in that: The water guide groove (302) is in communication with the heat dissipation groove (304) through the water guide opening (307).

8. The turned insert with a CVD coating according to claim 1, characterized in that: One side of the water flow groove (301) is provided with a water flow passage (309).

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