A diamond film coating apparatus

Abstract

This utility model discloses a diamond film coating device, including a reaction chamber. A cathode and an anode are disposed in the upper middle part of the reaction chamber. The anode is cylindrical and surrounds the cathode. When the cathode and anode are powered on, an electric arc is ejected from the anode to form a plasma sphere. A base is disposed below the plasma sphere. A cooling water inlet pipe is connected to the left side of the base, and a cooling water outlet pipe is connected to the right side of the base. A tray is disposed above the base, and the surface of the tray has raised spacers. The cutting tool to be processed is placed on the tray. A hydrogen pipe is connected to the top left side of the reaction chamber, and a methane pipe is connected to the top right side of the reaction chamber. A vacuum pipe is connected to the lower right side of the reaction chamber, and a vacuum pump is connected to the vacuum pipe. This utility model can solve the problems in the prior art and meet current market demands.

Description

Technical Field

[0001] This utility model belongs to the field of coating equipment technology, and specifically relates to a diamond film coating equipment. Background Technology

[0002] Cutting tools are commonly used in machining, primarily for cutting operations. Technicians have discovered that depositing a diamond film on the surface of cutting tools can significantly extend their lifespan and improve machining quality. To this end, they have developed diamond film coating equipment; however, this equipment is relatively complex and difficult to operate. Furthermore, in the event of emergencies such as power outages or water shortages, the gases in the hydrogen and methane pipes cannot be released in time, affecting the safety of on-site equipment. Utility Model Content

[0003] In response to the shortcomings and defects of existing technologies, the inventors have developed a diamond film coating equipment based on their extensive experience in the field of coating equipment technology.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a diamond film coating device, comprising a reaction chamber, wherein a cathode and an anode are disposed in the upper middle part of the reaction chamber, the anode being cylindrical and surrounding the cathode; after the cathode and anode are powered on, an electric arc is ejected from the anode to form a plasma ball; a base is disposed below the plasma ball, a cooling water inlet pipe is connected to the left side of the base, a cooling water outlet pipe is connected to the right side of the base, a tray is disposed above the base, the surface of the tray is provided with raised spacers, and the cutting tool to be processed is placed on the tray; a hydrogen pipe is connected to the top left side of the reaction chamber, a methane pipe is connected to the top right side of the reaction chamber, and a vacuum pipe is connected to the lower middle part of the right side of the reaction chamber, the vacuum pipe being connected to a vacuum pump.

[0005] Furthermore, a cooling pump is connected to the left side of the cooling water inlet pipe, a pump inlet pipe is connected to the left side of the cooling pump, a cooling water pool is connected to the left side of the pump inlet pipe, and a pump self-control valve is installed on the pump inlet pipe.

[0006] Furthermore, the tray is circular, and the spacer is cross-shaped, dividing the tray into four knife placement areas.

[0007] Furthermore, the surface of the tray is a plane, the height of the spacer block near the center point of the tray is H1, and the height of the spacer block away from the center point of the tray is H2, where H2 > H1.

[0008] Furthermore, a hydrogen self-control valve is installed on the hydrogen pipe, and a methane self-control valve is installed on the methane pipe.

[0009] Furthermore, the hydrogen pipe is also connected to a hydrogen pressure relief pipe, which is equipped with a hydrogen pressure relief valve; the methane pipe is also connected to a methane pressure relief pipe, which is equipped with a methane pressure relief valve.

[0010] Compared with existing technologies, the advantages of this invention are as follows: By setting up a reaction chamber, base, tray, and cooling pump, this invention simplifies the structure of existing coating devices and makes them easier for on-site personnel to operate. Furthermore, this invention adds pressure relief valves to the hydrogen and methane pipes, allowing for timely discharge of gas from these pipes in case of power outages, water outages, or other emergencies, ensuring the safety of on-site equipment. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is a top view of the tray and spacers.

[0013] Figure 3 This is a sectional view of the base, tray, and spacer block.

[0014] Reference numerals: 1. Reaction chamber; 2. Anode; 3. Cathode; 4. Power supply; 5. Plasma sphere; 6. Tray; 7. Cutting tool; 8. Base; 9. Cooling water inlet pipe; 10. Cooling water outlet pipe; 11. Vacuum pipe; 12. Vacuum pump; 13. Hydrogen pipe; 14. Hydrogen automatic control valve; 15. Methane pipe; 16. Methane automatic control valve; 17. Spacer block; 18. Cutting tool placement area; 19. Cooling pump; 20. Pump inlet pipe; 21. Pump automatic control valve; 22. Cooling water tank; 23. Hydrogen pressure relief pipe; 24. Hydrogen pressure relief valve; 25. Methane pressure relief pipe; 26. Methane pressure relief valve. Detailed Implementation

[0015] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0016] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The following description of at least one exemplary embodiment is actually illustrative only and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0017] like Figures 1-3 As shown, a diamond film coating device includes a reaction chamber 1. A cathode 3 and an anode 2 are arranged in the upper middle part of the reaction chamber 1. The anode 2 is cylindrical and surrounds the cathode 3. After the cathode 3 and anode 2 are connected to a power supply 4, an electric arc is ejected from the anode 2 to form a plasma ball 5. A base 8 is arranged below the plasma ball 5. A cooling water inlet pipe 9 is connected to the left side of the base 8, and a cooling water outlet pipe 10 is connected to the right side of the base 8. A tray 6 is arranged above the base 8. The surface of the tray 6 is provided with raised spacers 17. The cutting tool 7 to be processed is placed on the tray 6. A hydrogen pipe 13 is connected to the top left side of the reaction chamber 1, and a methane pipe 15 is connected to the top right side of the reaction chamber 1. A vacuum pipe 11 is connected to the lower middle part of the right side of the reaction chamber 1, and a vacuum pump 12 is connected to the vacuum pipe 11.

[0018] In this embodiment, a cooling pump 19 is connected to the left side of the cooling water inlet pipe 9, a pump inlet pipe 20 is connected to the left side of the cooling pump 19, a cooling water tank 22 is connected to the left side of the pump inlet pipe 20, and a pump self-control valve 21 is provided on the pump inlet pipe 20.

[0019] In this embodiment, the tray 6 is circular, and the spacer block 17 is cross-shaped, dividing the tray 6 into 4 knife placement areas 18.

[0020] In this embodiment, the surface of the tray 6 is a plane, the height of the spacer block 17 near the center point of the tray 6 is H1, and the height of the spacer block 17 away from the center point of the tray 6 is H2, where H2 > H1.

[0021] In this embodiment, a hydrogen self-control valve 14 is provided on the hydrogen pipe 13, and a methane self-control valve 16 is provided on the methane pipe 15.

[0022] In this embodiment, the hydrogen pipe 13 is also connected to a hydrogen pressure relief pipe 23, and a hydrogen pressure relief valve 24 is provided on the hydrogen pressure relief pipe 23. The methane pipe 15 is also connected to a methane pressure relief pipe 25, and a methane pressure relief valve 26 is provided on the methane pressure relief pipe 25.

[0023] In practical use, the tool 7 to be processed is first placed on the tray 6. Then, the hydrogen control valve 14 and the methane control valve 16 are opened to introduce hydrogen and methane into the reaction chamber 1. Next, the cathode 3 and anode 2 are connected to the power supply 4. An electric arc is ejected from the anode 2 to form a plasma ball 5. The plasma ball 5 flies towards the tool 7 and deposits a diamond film on the tool surface. This equipment can perform coating operations on four tools at a time.

[0024] During the coating process, the temperature of the base 8 will continue to rise. On-site operators should start the cooling pump 19 in time to cool down the base 8.

[0025] In case of emergencies such as power outages or water outages, promptly open the hydrogen pressure relief valve 24 on the hydrogen pressure relief pipe 23 and the methane pressure relief valve 26 on the methane pressure relief pipe 25 to release the gas remaining in the pipes and ensure the safety of the equipment on site.

[0026] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements 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 diamond film coating apparatus characterized by: The device includes a reaction chamber, in which a cathode and an anode are located in the upper middle part. The anode is cylindrical and surrounds the cathode. When the cathode and anode are powered on, an electric arc is ejected from the anode to form a plasma sphere. A base is located below the plasma sphere. A cooling water inlet pipe is connected to the left side of the base, and a cooling water outlet pipe is connected to the right side of the base. A tray is located above the base, and the surface of the tray is provided with raised spacers. The cutting tool to be processed is placed on the tray. A hydrogen pipe is connected to the top left side of the reaction chamber, and a methane pipe is connected to the top right side of the reaction chamber. A vacuum pipe is connected to the lower right side of the reaction chamber, and a vacuum pump is connected to the vacuum pipe.

2. A diamond film coating apparatus as claimed in claim 1, wherein: A cooling pump is connected to the left side of the cooling water inlet pipe, a pump inlet pipe is connected to the left side of the cooling pump, a cooling water tank is connected to the left side of the pump inlet pipe, and a pump self-control valve is installed on the pump inlet pipe.

3. A diamond film coating apparatus as claimed in claim 1, wherein: The tray is circular, and the spacer is cross-shaped, dividing the tray into four knife placement areas.

4. A diamond film coating apparatus as claimed in claim 1, wherein: The surface of the tray is a plane. The height of the spacer block near the center point of the tray is H1, and the height of the spacer block away from the center point of the tray is H2, where H2 > H1.

5. A diamond film coating apparatus as claimed in claim 1, wherein: The hydrogen pipe is equipped with a hydrogen self-control valve, and the methane pipe is equipped with a methane self-control valve.

6. A diamond film coating apparatus as claimed in claim 1, wherein: The hydrogen pipe is also connected to a hydrogen pressure relief pipe, which is equipped with a hydrogen pressure relief valve. The methane pipe is also connected to a methane pressure relief pipe, which is equipped with a methane pressure relief valve.

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