Raw material processing device for PCBN cutter production

Abstract

The utility model relates to the field of cubic boron nitride production equipment, in particular to a raw material processing device for PCBN (Polycrystalline Cubic Boron Nitride) cutter production, which comprises a heating tank, a heating jacket wrapped on the outer side of the heating tank, a discharge pipe arranged at the lower end of the heating tank and extending below the heating jacket, and a liquid outlet pipe and a liquid inlet pipe respectively arranged at the upper end and the lower end of the heating pipe, a heating oil tank is arranged on the outer side of the heating sleeve, an electric heating pipe is arranged in the heating oil tank, a conveying pump is arranged at the upper end of the heating oil tank and comprises an input pipe and an output pipe, the input pipe is inserted into the heating oil tank, the output pipe is connected with a liquid inlet pipe, and the liquid outlet pipe is communicated with the heating oil tank. The device has the advantages of uniform acid liquid heating and good cubic boron nitride micro powder impurity removal effect.

Description

Technical Field

[0001] The utility model relates to the field of cubic boron nitride production equipment, in particular to a raw material processing device for PCBN tool production. Background Art

[0002] PCBN tools, also known as cubic boron nitride tools, are tools made of superhard cubic boron nitride, commonly used for cutting metal materials. The synthetic materials of PCBN tools include CBN powder and binder, wherein the binder is metal or ceramic. The CBN powder used to synthesize PCBN tools needs to be purified before use to remove impurities remaining in the CBN powder. The traditional method for purifying cubic boron nitride powder is acid treatment, which is to add acid solution to the reactor for heating and impurity removal. The existing heating method is to use electric heating tubes for heating, which is unevenly heated and has poor impurity removal effect. Therefore, it is particularly necessary to develop a raw material processing device for PCBN tool production with uniform heating and good impurity removal effect of cubic boron nitride powder. Summary of the invention

[0003] The utility model aims to provide a raw material processing device for PCBN tool production, which has the advantages of uniform acid liquid heating and good cubic boron nitride micropowder impurity removal effect.

[0004] The technical solutions adopted are as follows:

[0005] A raw material processing device for PCBN tool production comprises a heating tank, a heating sleeve is wrapped around the outside of the heating tank, a discharge pipe extending to the bottom of the heating sleeve is arranged at the lower end of the heating tank, a liquid outlet pipe and a liquid inlet pipe are arranged at the upper and lower ends of the heating pipe, a heating oil tank is arranged at the outside of the heating sleeve, an electric heating pipe is arranged in the heating oil tank, a delivery pump is arranged at the upper end of the heating oil tank, the delivery pump comprises an input pipe and an output pipe, the input pipe is inserted into the heating oil tank, the output pipe is connected with the liquid inlet pipe, and the liquid outlet pipe is communicated with the heating oil tank.

[0006] Preferably, a driving mechanism is provided at the upper end of the heating tank, a stirring mechanism is provided inside the heating tank, and the stirring mechanism is connected to the driving mechanism.

[0007] Preferably, a first temperature sensor is provided in the heating jacket.

[0008] Preferably, an air inlet valve is provided at the upper end of the heating jacket, and a quick liquid discharge valve is provided at the lower end of the heating jacket.

[0009] Preferably, a liquid storage box is arranged below the discharge pipe, a feed pipe is arranged at the upper end of the liquid storage box, an extension pipe is slidably arranged outside the feed pipe, and a plurality of rollers are arranged at the lower end of the liquid storage pipe.

[0010] Preferably, a plurality of heat dissipation fins are arranged on the outside of the liquid storage box.

[0011] Preferably, a second temperature sensor is provided in the liquid storage box.

[0012] Compared with the prior art, the beneficial effects are:

[0013] 1. The utility model utilizes an electric heating tube to heat the heating oil in the heating oil tank, and after the heating oil is heated, a delivery pump is used to deliver the heated oil to the heating sleeve, and the heating oil is used to heat the acid liquid in the heating tank, and cubic boron nitride powder is added into the heating tank for impurity removal. The acid liquid is heated evenly and the impurity removal effect is good.

[0014] 2. When the acid solution needs to be cooled after the impurity removal is completed, the acid solution and cubic boron nitride powder in the heating tank are transported to the liquid storage box, and the acid solution is cooled quickly after being away from the heating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a raw material processing device for PCBN tool production in the utility model.

[0016] Figure 2 yes Figure 1 The structural diagram at A in the middle,

[0017] In the figure: 1. heating tank, 2. heating jacket, 3. discharge pipe, 4. feeding port, 5. liquid outlet pipe, 6. liquid inlet pipe, 7. heating oil tank, 8. electric heating pipe, 9. delivery pump, 10. first temperature sensor, 11. air inlet valve, 12. quick liquid discharge valve, 13. driving mechanism, 14. stirring mechanism, 15. liquid storage tank, 16. feed pipe, 17. extension pipe, 18. roller, 19. heat dissipation fins, 20. second temperature sensor. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. Figure 1 to Figure 2 As shown:

[0019] Embodiment 1: A raw material processing device for PCBN tool production, comprising a heating tank 1, the outer side of the heating tank 1 is wrapped with a heating sleeve 2, the lower end of the heating tank 1 is provided with a discharge pipe 3 extending to the bottom of the heating sleeve 2, the upper end of the heating tank 1 is provided with a feeding port 4, the upper and lower ends of the heating pipe are respectively provided with a liquid outlet pipe 5 and a liquid inlet pipe 6, a heating oil tank 7 is provided on the outer side of the heating sleeve 2, and the heating oil tank 7 is filled with heating oil. The heating oil is a prior art and will not be described in detail here;

[0020] The heating oil tank 7 is provided with an electric heating pipe 8, which heats the heating oil in the heating oil tank 7. The upper end of the heating oil tank 7 is provided with a delivery pump 9, which includes an input pipe and an output pipe. The input pipe is inserted into the heating oil tank 7, the output pipe is connected to the liquid inlet pipe 6, and the liquid outlet pipe 5 is connected to the heating oil tank 7. The delivery pump 9 delivers the heated heating oil to the heating jacket 2 to heat the heating tank 1.

[0021] The acid liquid in the heating tank 1 is heated by heating oil, and the cubic boron nitride powder is added into the heating tank 1 for impurity removal. The acid liquid is heated evenly and the impurity removal effect is good.

[0022] Embodiment 2: A raw material processing device for PCBN tool production, comprising a heating tank 1, the outer side of the heating tank 1 is wrapped with a heating sleeve 2, the lower end of the heating tank 1 is provided with a discharge pipe 3 extending to the bottom of the heating sleeve 2, the upper end of the heating tank 1 is provided with a feeding port 4, the upper and lower ends of the heating pipe are respectively provided with a liquid outlet pipe 5 and a liquid inlet pipe 6, a heating oil tank 7 is provided on the outer side of the heating sleeve 2, and the heating oil tank 7 is filled with heating oil. The heating oil is a prior art and will not be described in detail here;

[0023] An electric heating pipe 8 is arranged in the heating oil tank 7, and the electric heating pipe 8 heats the heating oil in the heating oil tank 7. A delivery pump 9 is arranged at the upper end of the heating oil tank 7, and the delivery pump 9 includes an input pipe and an output pipe. The input pipe is inserted into the heating oil tank 7, and the output pipe is connected with the liquid inlet pipe 6. The liquid outlet pipe 5 is communicated with the heating oil tank 7. The delivery pump 9 delivers the heated heating oil to the heating jacket 2 to heat the heating tank 1. A first temperature sensor 10 is arranged in the heating jacket 2, and the first temperature sensor 10 monitors the temperature of the heating oil. An air inlet valve 11 is arranged at the upper end of the heating jacket 2, and a quick liquid discharge valve 12 is arranged at the lower end of the heating jacket 2. Opening the air inlet valve 11 and the quick liquid discharge valve 12 is convenient for quickly releasing the heating oil from the heating jacket 2.

[0024] A driving mechanism 13 is provided at the upper end of the heating tank 1, and a stirring mechanism 14 is provided in the heating tank 1. The stirring mechanism 14 is connected to the driving mechanism 13. The acid liquid in the heating tank 1 is heated by heating oil, and the cubic boron nitride powder is added into the heating tank 1 for impurity removal. The acid liquid is heated evenly and the impurity removal effect is good. The driving mechanism 13 drives the stirring mechanism 14 to stir the liquid in the heating tank 1, so that the acid liquid is heated evenly.

[0025] A liquid storage box 15 is arranged below the discharge pipe 3, a feed pipe 16 is arranged at the upper end of the liquid storage box 15, an extension tube 17 is slidably arranged on the outer side of the feed pipe 16, a plurality of rollers 18 are arranged at the lower end of the liquid storage tube, and the extension tube 17 is extended and sleeved on the discharge pipe 3, so as to facilitate the acid liquid and cubic boron nitride powder to be placed in the liquid storage box 15, and facilitate the rapid cooling of the acid liquid after being away from the heating oil. A plurality of heat dissipation fins 19 are arranged on the outer side of the liquid storage box 15, and the heat dissipation fins 19 improve the heat dissipation efficiency. A second temperature sensor 20 is arranged in the liquid storage box 15, and the second temperature sensor 20 monitors the temperature of the acid liquid in the liquid storage box 15.

[0026] The specific working process is as follows: heating oil is added into the heating oil tank 7, and the heating oil in the heating oil tank 7 is heated by the electric heating pipe 8. After the heating oil is heated, the heating oil is transported to the heating sleeve 2 by the delivery pump 9. The first temperature sensor 10 monitors the temperature in the heating sleeve 2. The acid liquid in the heating tank 1 is heated by the heating oil. After heating to a predetermined temperature, the cubic boron nitride powder is put into the heating tank 1. The cubic boron nitride powder is added to the heating tank 1 for impurity removal, and the acid liquid is stirred by the stirring mechanism 14. After the temperature is maintained for a period of time, the discharge pipe 3 is opened to discharge the acid liquid and the cubic boron nitride powder into the liquid storage tank 15 to facilitate the rapid cooling of the acid liquid.

[0027] 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 raw material processing device for PCBN tool production, characterized in that: It includes a heating tank, which is wrapped with a heating jacket on the outside of the heating tank, a discharge pipe extending to the bottom of the heating jacket is arranged at the lower end of the heating tank, a liquid outlet pipe and a liquid inlet pipe are arranged at the upper and lower ends of the heating pipe respectively, a heating oil tank is arranged on the outside of the heating jacket, an electric heating pipe is arranged in the heating oil tank, a delivery pump is arranged on the upper end of the heating oil tank, the delivery pump includes an input pipe and an output pipe, the input pipe is inserted into the heating oil tank, the output pipe is connected with the liquid inlet pipe, the liquid outlet pipe is connected with the heating oil tank, a liquid storage box is arranged below the discharge pipe, a feed pipe is arranged at the upper end of the liquid storage box, an extension pipe is slidably arranged on the outside of the feed pipe, and a plurality of rollers are arranged at the lower end of the liquid storage pipe.

2. A raw material processing device for PCBN tool production according to claim 1, characterized in that: The upper end of the heating tank is provided with a driving mechanism, and a stirring mechanism is provided inside the heating tank, and the stirring mechanism is connected to the driving mechanism.

3. A raw material processing device for PCBN tool production according to claim 1, characterized in that: A first temperature sensor is arranged in the heating jacket.

4. A raw material processing device for PCBN tool production according to claim 1, characterized in that: The upper end of the heating jacket is provided with an air inlet valve, and the lower end of the heating jacket is provided with a quick liquid discharge valve.

5. A raw material processing device for PCBN tool production according to claim 1, characterized in that: A plurality of heat dissipation fins are arranged on the outside of the liquid storage box.

6. A raw material processing device for PCBN tool production as claimed in claim 5, characterized in that: A second temperature sensor is arranged in the liquid storage box.

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