High-performance cobalt-based diamond heat treatment equipment

Abstract

The utility model relates to the field of heat treatment equipment, in particular to high-performance cobalt-based diamond heat treatment equipment which comprises a shell, an inner container is rotatably arranged in the shell, a plurality of electric heating pipes are arranged in the shell, a feeding pipe and a discharging pipe are arranged at the two ends of the inner container respectively, and both the feeding pipe and the discharging pipe extend out of the shell. A rotating mechanism is arranged between the shell and the inner container. The diamond powder heating device has the advantages that heating is uniform, diamond powder is heated uniformly, and the impurity removal effect is good.

Description

Technical Field

[0001] The utility model relates to the field of heat treatment equipment, in particular to high-performance cobalt-based diamond heat treatment equipment. Background Art

[0002] Cobalt-based diamond is a material synthesized from diamond powder and cobalt powder under high temperature and high pressure. It has the advantages of high hardness, good wear resistance, high tensile strength and dimensional temperature. It is widely used in mechanical manufacturing, metallurgy and high-precision cutting. In order to improve the performance of cobalt-based diamond and make the cobalt-based components purer, it is necessary to purify the raw materials for producing cobalt-based diamond. The treatment of diamond powder includes removing the graphite powder contained therein. The commonly used method is gas phase oxidation. Its working principle is: based on the different starting oxidation temperatures of diamond and graphite in the air, the appropriate temperature is selected to oxidize the graphite. Therefore, it is particularly necessary to develop a high-performance cobalt-based diamond heat treatment equipment suitable for diamond powder purification and uniform heating of diamond powder. Summary of the invention

[0003] The utility model aims to provide a high-performance cobalt-based diamond heat treatment equipment, which has the advantages of uniform heating, uniform heating of diamond powder and good impurity removal effect.

[0004] The technical solutions adopted are as follows:

[0005] A high-performance cobalt-based diamond heat treatment equipment comprises an outer shell, an inner shell is rotatably arranged in the outer shell, a plurality of electric heating tubes are arranged in the outer shell, a feed pipe and a discharge pipe are respectively arranged at both ends of the inner shell, the feed pipe and the discharge pipe both extend to the outside of the outer shell, and a rotating mechanism is arranged between the outer shell and the inner shell.

[0006] Preferably, the rotating mechanism includes a driving motor, a driving gear and a driven gear, the driving motor is fixedly arranged on the outer shell, the driving gear is fixedly connected to the driving motor, the driven gear is fixed on the inner liner and coaxially arranged with the inner liner, and the driving gear is meshed with the driven gear.

[0007] Preferably, a bracket is provided on the outside of the shell, a feed funnel is provided on the bracket, a bent pipe is provided at the lower end of the feed funnel, the lower end of the bent pipe is inserted into the feed pipe and is rotatably sealed and connected to the feed pipe.

[0008] Preferably, a blower is provided on the outside of the shell, an air inlet box is provided on the outside of the discharge pipe, the air inlet box is fixedly connected to the shell, the air inlet box and the discharge pipe are rotatably and sealedly connected, a feed port is provided on the discharge pipe in the air inlet box, and the blower is provided with an air supply pipe, which is connected to the air inlet box.

[0009] Preferably, the inner wall of the inner container is provided with a plurality of push plates.

[0010] Preferably, a base is provided below the shell, a rotating shaft is fixedly provided at the lower end of the shell, and a driving mechanism connected to the rotating shaft is provided on the base.

[0011] Compared with the prior art, the beneficial effects are:

[0012] 1. The utility model puts diamond powder into the inner tank, and uses the electric heating tube to evenly heat the inner tank. The electric heating tube heats the rotating inner tank, and the temperature of the inner tank is uniform, thereby evenly heating the diamond powder inside the inner tank. When the temperature reaches the oxidation temperature of graphite, oxidation occurs, thereby removing impurities from the diamond powder, so as to produce high-performance cobalt-based diamond.

[0013] 2. The utility model uses a blower to transport air into the inner tank, thereby increasing the oxygen concentration inside the inner tank, making it easier for graphite powder to be oxidized. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a high-performance cobalt-based diamond heat treatment equipment of the utility model.

[0015] Figure 2 yes Figure 1 The structural diagram at A in the middle,

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the inner tank of a high-performance cobalt-based diamond heat treatment equipment of the utility model.

[0017] In the figure: 1. outer shell, 2. liner, 3. electric heating tube, 4. feed pipe, 5. discharge pipe, 6. push plate, 7. drive motor, 8. drive gear, 9. driven gear, 10. feed hopper, 11. blower, 12. air intake box, 13. air duct, 14. base, 15. rotating shaft. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. Figures 1 to 3 As shown:

[0019] Embodiment 1: A high-performance cobalt-based diamond heat treatment equipment comprises a shell 1, an inner liner 2 is rotatably arranged in the shell 1, a plurality of electric heating tubes 3 are arranged in the shell 1, the electric heating tubes 3 heat the inner liner 2, a feed pipe 4 and a discharge pipe 5 are respectively arranged at both ends of the inner liner 2, the feed pipe 4 and the discharge pipe 5 extend coaxially, the feed pipe 4 and the discharge pipe 5 both extend to the outside of the shell 1, the inner liner 2 is rotatably connected to the shell 1 through the feed pipe 4 and the discharge pipe 5,

[0020] A rotating mechanism is provided between the outer shell 1 and the inner liner 2. The rotating mechanism controls the inner liner 2 to rotate. Diamond powder is put into the inner liner 2. The electric heating tube 3 heats the rotating inner liner 2. The temperature of the inner liner 2 is uniform, so that the diamond powder inside the inner liner 2 is uniformly heated. When the temperature reaches the oxidation temperature of graphite, oxidation occurs, thereby achieving impurity removal of the diamond powder.

[0021] Embodiment 2: A high-performance cobalt-based diamond heat treatment equipment comprises a shell 1, an inner liner 2 is rotatably arranged in the shell 1, a plurality of electric heating tubes 3 are arranged in the shell 1, the electric heating tubes 3 heat the inner liner 2, a feed pipe 4 and a discharge pipe 5 are respectively arranged at both ends of the inner liner 2, the feed pipe 4 and the discharge pipe 5 extend coaxially, and the feed pipe 4 and the discharge pipe 5 both extend to the outside of the shell 1, the inner liner 2 is rotatably connected to the shell 1 through the feed pipe 4 and the discharge pipe 5, a plurality of push plates 6 are arranged on the inner wall of the inner liner 2, and the push plates 6 are used to push the diamond powder to move in the inner liner 2,

[0022] A rotating mechanism is provided between the outer shell 1 and the inner liner 2, and the rotating mechanism includes a driving motor 7, a driving gear 8 and a driven gear 9. The driving motor 7 is fixedly provided on the outer shell 1, the driving gear 8 is fixedly connected to the driving motor 7, the driven gear 9 is fixed on the inner liner 2 and is coaxially provided with the inner liner 2, the driving gear 8 is meshed with the driven gear 9, and the rotating mechanism controls the rotation of the inner liner 2.

[0023] A bracket is arranged outside the shell 1, and a feed hopper 10 is arranged on the bracket. A bend is arranged at the lower end of the feed hopper 10. The lower end of the bend is inserted into the feed pipe 4 and is rotatably and sealedly connected with the feed pipe 4. The feed hopper 10 is convenient for feeding. A blower 11 is arranged outside the shell 1. An air inlet box 12 is arranged outside the discharge pipe 5. The air inlet box 12 is fixedly connected to the shell 1. The air inlet box 12 is rotatably and sealedly connected with the discharge pipe 5. A feed port is provided on the discharge pipe 5 in the air inlet box 12. The blower 11 is provided with an air delivery pipe 13. The air delivery pipe 13 is connected with the air inlet box 12. The blower 11 delivers air to the inner liner 2, thereby increasing the oxygen concentration inside the inner liner 2, which is convenient for the oxidation of graphite powder.

[0024] A base 14 is provided below the shell 1 , a rotating shaft 15 is fixedly provided at the lower end of the shell 1 , a driving mechanism connected to the rotating shaft 15 is provided on the base 14 , and the driving mechanism controls the rotation of the rotating shaft 15 , thereby controlling the tilt of the shell 1 to facilitate the discharge of diamond powder from the discharge pipe 5 .

[0025] The specific working process is as follows: the inner tank 2 is heated by the electric heating tube 3, and the inner tank 2 is driven to rotate by the rotating mechanism, so as to achieve a uniform temperature of the inner tank 2, and then the diamond powder is put into the inner tank 2 by the feeding funnel 10, so that the diamond powder inside the inner tank 2 is evenly heated by the high-temperature inner tank 2, and oxidation occurs when the temperature reaches the oxidation temperature of graphite, so as to achieve impurity removal of the diamond powder, and the outer shell 1 is controlled to tilt during feeding, so as to discharge the diamond powder from the discharge pipe 5.

[0026] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A high performance cobalt-based diamond heat treatment equipment, characterized in that: It includes an outer shell, an inner shell is rotatably arranged inside, a plurality of electric heating tubes are arranged inside the outer shell, a feed pipe and a discharge pipe are respectively arranged at both ends of the inner shell, the feed pipe and the discharge pipe both extend to the outside of the outer shell, and a rotating mechanism is arranged between the outer shell and the inner shell.

2. A high performance cobalt-based diamond heat treatment equipment as claimed in claim 1, characterized in that: The rotating mechanism comprises a driving motor, a driving gear and a driven gear. The driving motor is fixedly arranged on the outer shell, the driving gear is fixedly connected to the driving motor, the driven gear is fixed on the inner shell and is coaxially arranged with the inner shell, and the driving gear is meshed with the driven gear.

3. A high performance cobalt-based diamond heat treatment equipment as claimed in claim 1, characterized in that: The outer part of the shell is provided with a bracket, a feeding funnel is provided on the bracket, a bent pipe is provided at the lower end of the feeding funnel, the lower end of the bent pipe is inserted into the feeding pipe and is rotatably sealed and connected with the feeding pipe.

4. A high performance cobalt-based diamond heat treatment equipment as claimed in claim 1, characterized in that: A blower is arranged outside the shell, an air inlet box is arranged outside the discharge pipe, the air inlet box is fixedly connected to the shell, the air inlet box is rotatably and sealedly connected to the discharge pipe, a feed port is opened on the discharge pipe in the air inlet box, the blower is provided with an air supply pipe, and the air supply pipe is connected to the air inlet box.

5. A high performance cobalt-based diamond heat treatment equipment as claimed in claim 1, characterized in that: The inner wall of the inner container is provided with a plurality of push plates.

6. A high performance cobalt-based diamond heat treatment equipment as claimed in claim 1, characterized in that: A base is arranged below the shell, a rotating shaft is fixedly arranged at the lower end of the shell, and a driving mechanism connected with the rotating shaft is arranged on the base.

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