Powder mixing equipment for PCBN cutter material production

Abstract

The utility model discloses powder mixing equipment for PCBN (Polycrystalline Cubic Boron Nitride) cutter material production, which comprises a mixing tank provided with a feeding hole, a cover body is arranged on the feeding hole, a discharging mechanism is arranged on the lower side of the mixing tank, the discharging mechanism is communicated with a feeding mechanism through an inclined pipe, a first valve is arranged on the inclined pipe, and a second valve is arranged on the inclined pipe. The outlet end of the feeding mechanism penetrates through and extends into the mixing tank; a driving mechanism is arranged above the mixing tank, and the driving end of the driving mechanism penetrates through and extends into the mixing tank to be connected with a horizontally arranged scattering mechanism. According to the powder mixing equipment for PCBN cutter material production, when materials and binders are mixed, the mixing uniformity is improved as much as possible under the cooperation of all the components.

Description

Technical Field

[0001] The utility model relates to the technical field of PCBN tool material production, in particular to powder mixing equipment for PCBN tool material production. Background Art

[0002] When producing PCBN tool materials, most of the production methods adopt the more common secondary polymerization method of adding a binder. When sintering, it is usually necessary to mix the CBN raw material with the binder. At the sintering temperature, the metal binder becomes a liquid phase. The appearance of the liquid phase has a certain promoting effect on the sintering of CBN. However, most of the current raw material mixing equipment uses stirring to mix them. The uniformity of this mixing method is uneven, and the same materials are easily piled together and cannot be stirred. Therefore, a mixing equipment with better mixing uniformity is needed. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a powder mixing device for producing PCBN tool materials, which can improve the mixing uniformity as much as possible.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a powder mixing device for PCBN tool material production, comprising a mixing tank provided with a feed inlet, a cover body provided on the feed inlet, a discharge mechanism provided on the lower side of the mixing tank, the discharge mechanism is connected with a feeding mechanism through an inclined pipe, a first valve is provided on the inclined pipe, and the outlet end of the feeding mechanism penetrates and extends into the interior of the mixing tank;

[0005] A driving mechanism is provided above the mixing tank, a driving end of the driving mechanism penetrates and extends into the mixing tank and is connected to a horizontally arranged material spreading mechanism, and an outlet end of the feeding mechanism extends above the material spreading mechanism;

[0006] A binder tank is provided outside the mixing tank, a feed pipe inserted into the mixing tank is connected to the lower end of the binder tank through a pipeline, a gate valve is provided on the pipeline, a blower is provided on the side of the feed pipe opposite to the mixing tank, and a vent is provided above the mixing tank.

[0007] Preferably, the discharge mechanism comprises a discharge pipe coaxially arranged below the mixing tank, and a second valve is provided on the discharge pipe.

[0008] Preferably, the feeding mechanism comprises a screw conveyor, the feeding end of the screw conveyor is connected to the discharging mechanism through an inclined pipe, and the outlet end of the screw conveyor passes through the mixing tank and extends to above the spreading mechanism.

[0009] Preferably, the driving mechanism comprises a motor vertically arranged on the mixing tank, and the driving end of the motor penetrates into the mixing tank and is connected to a material spreading mechanism.

[0010] Preferably, the material spreading mechanism includes a transmission column coaxially connected to the driving mechanism, a horizontally arranged circular plate is connected to the lower end of the transmission column, a coaxial circular ring is provided above the circular plate through a support rod, and a screen is provided between the circular ring and the circular plate.

[0011] Preferably, an isolation net is provided on the vent.

[0012] The utility model provides a powder mixing device for producing PCBN tool materials, which has the following beneficial effects:

[0013] The powder mixing equipment for producing PCBN tool materials, when mixing the material and the binder, puts the material into the bulk material mechanism through the feeding mechanism, so that the material is gradually scattered to the bottom of the mixing tank. When the material is scattered to the bottom of the mixing tank, the blower can blow the binder dropped in the feed pipe into the mixing tank, and the material and the binder are mixed with each other in the mixing tank, thereby improving the mixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0016] In the figure: 1. feed port; 2. mixing tank; 3. cover; 4. inclined pipe; 5. first valve; 6. adhesive tank; 7. pipeline; 8. feed pipe; 9. blower; 10. vent; 11. discharge pipe; 12. second valve; 13. screw conveyor; 14. motor; 15. transmission column; 16. circular plate; 17. support rod; 18. ring; 19. screen; 20. isolation net. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with specific embodiments. Figure 1 to Figure 2 As shown:

[0018] Embodiment 1: A powder mixing device for producing PCBN tool materials, comprising a mixing tank 2 provided with a feed port 1, wherein a cover 3 is provided on the feed port 1, so that after the material is added into the mixing tank 2 through the feed port 1, the cover 3 can cover the feed port 1;

[0019] A discharge mechanism is provided at the lower side of the mixing tank 2 for discharging the material out of the mixing tank 2;

[0020] The discharge mechanism is connected to the feeding mechanism through an inclined pipe 4, and a first valve 5 is provided on the inclined pipe 4. The outlet end of the feeding mechanism penetrates and extends into the mixing tank 2. When the first valve 5 is opened, the material can enter the feeding mechanism from the inclined pipe, so that the material is discharged into the mixing tank 2 through the feeding mechanism for circulation.

[0021] A driving mechanism is provided above the mixing tank 2, and the driving end of the driving mechanism penetrates and extends into the mixing tank 2 to be connected with a horizontally arranged spreading mechanism, and the outlet end of the feeding mechanism extends above the spreading mechanism. After the feeding mechanism transports the material to the top of the mixing tank 2, the material can directly fall into the spreading mechanism. When the driving mechanism drives the spreading mechanism to rotate, the spreading mechanism can evenly spread the material to the bottom of the mixing tank 2.

[0022] A binder tank 6 is provided on the outside of the mixing tank 2. A feed pipe 8 inserted into the mixing tank 2 is connected to the lower end of the binder tank 6 through a pipe 7. A gate valve is provided on the pipe 7 to control the discharge speed of the binder. A blower 9 is provided on the side of the feed pipe 8 opposite to the mixing tank 2. The blower 9 can blow the binder dropped in the feed pipe 8 into the mixing tank 2 to mix with the material sprinkled to the bottom of the mixing tank 2. A vent 10 is provided above the mixing tank 2 to discharge the gas blown into the mixing tank 2.

[0023] Embodiment 2: A powder mixing device for producing PCBN tool materials, comprising a mixing tank 2 provided with a feed port 1, wherein a cover 3 is provided on the feed port 1, so that after the material is added into the mixing tank 2 through the feed port 1, the cover 3 can cover the feed port 1;

[0024] A discharge mechanism is provided at the lower side of the mixing tank 2, and the discharge mechanism includes a discharge pipe 11 coaxially arranged below the mixing tank 2, and a second valve 12 is provided on the discharge pipe 11, which is used to discharge the material from the mixing tank 2 after the material mixing and doping is completed;

[0025] The discharge mechanism is connected to the feeding mechanism through an inclined pipe 4, and a first valve 5 is provided on the inclined pipe 4. The outlet end of the feeding mechanism penetrates and extends into the interior of the mixing tank 2;

[0026] The feeding mechanism includes a screw conveyor 13, the feeding end of the screw conveyor 13 is connected to the discharging mechanism through an inclined pipe 4, and the outlet end of the screw conveyor 13 passes through the mixing tank 2 and extends to the top of the spreading mechanism;

[0027] Opening the first valve 5 allows the material to enter the feeding mechanism from the inclined tube, so that the material is discharged into the mixing tank 2 through the feeding mechanism for circulation;

[0028] A driving mechanism is provided above the mixing tank 2, and a driving end of the driving mechanism penetrates and extends into the mixing tank 2 and is connected to a horizontally arranged material spreading mechanism. The driving mechanism includes a motor 14 vertically arranged on the mixing tank 2, and the motor 14 is a servo motor. The driving end of the motor 14 penetrates into the mixing tank 2 and is connected to the material spreading mechanism.

[0029] The outlet end of the feeding mechanism extends to the top of the spreading mechanism, and the spreading mechanism includes a transmission column 15 coaxially connected to the driving mechanism, a horizontally arranged circular plate 16 is connected to the lower end of the transmission column 15, a coaxial circular ring 18 is arranged above the circular plate 16 through a support rod 17, and the support rod 17 is arranged vertically, and a screen 19 is arranged between the circular ring 18 and the circular plate 16;

[0030] After the material is transported to the top of the mixing tank 2 by the feeding mechanism, it can directly fall into the spreading mechanism. Under the cooperation of the motor 14, the transmission column 15, the circular plate 16, the ring 18, the support rod 17 and the screen 19, when the motor 14 rotates, the material on the circular plate 16 can be evenly sprinkled to the bottom of the mixing tank 2;

[0031] A binder tank 6 is provided on the outside of the mixing tank 2. A feed pipe 8 inserted into the mixing tank 2 is connected to the lower end of the binder tank 6 through a pipe 7. A gate valve is provided on the pipe 7 to control the discharge speed of the binder. A blower 9 is provided on the side of the feed pipe 8 opposite to the mixing tank 2. The blower 9 can blow the binder dropped in the feed pipe 8 into the mixing tank 2 to mix with the material sprinkled to the bottom of the mixing tank 2. A vent 10 is provided above the mixing tank 2. An isolation net 20 is provided on the vent 10 to discharge the gas blown into the mixing tank 2 and prevent the material from splashing out of the vent.

[0032] Working principle:

[0033] The material to be mixed is put into the mixing tank 2 through the feed port 1, and then the first valve 5 is opened to allow the material to enter the screw conveyor 13 through the inclined tube 4, and the material is transported to the circular plate 16 in the spreading mechanism. Through the setting of the screen 19, the material can gradually pass through the screen 19 and fall to the bottom of the mixing tank 2. Through the setting of the driving mechanism, the circular plate 16 sprinkles the material to the bottom of the mixing tank 2 during the rotation, which is conducive to uniform spreading of the material. In the process of spreading the material, the gate valve is opened, and the binder is discharged into the feed pipe 8 at a certain feeding speed. Through the setting of the blower 9, the material can be blown into the mixing tank 2, so that the binder and the scattered material are mixed with each other and mixed evenly. After the mixing of the material and the binder is completed, the first valve 5 is closed, and the material is discharged from the mixing tank 2 through the discharging mechanism.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A powder mixing device for producing PCBN tool materials, comprising a mixing tank (2) provided with a feed inlet (1), the feed inlet (1) being provided with a cover (3), characterized in that: A discharge mechanism is provided at the lower side of the mixing tank (2), the discharge mechanism is connected to a feeding mechanism via an inclined pipe (4), a first valve (5) is provided on the inclined pipe (4), and an outlet end of the feeding mechanism penetrates and extends into the interior of the mixing tank (2); A driving mechanism is provided above the mixing tank (2), the driving end of the driving mechanism penetrates and extends into the mixing tank (2) to be connected to a horizontally arranged material spreading mechanism, and the outlet end of the material feeding mechanism extends above the material spreading mechanism; A binder tank (6) is provided on the outside of the mixing tank (2); a feed pipe (8) inserted into the mixing tank (2) is connected to the lower end of the binder tank (6) via a pipe (7); a gate valve is provided on the pipe (7); a blower (9) is provided on the side of the feed pipe (8) opposite to the mixing tank (2); and a vent (10) is provided above the mixing tank (2).

2. A powder mixing device for producing PCBN tool materials according to claim 1, characterized in that: The discharge mechanism comprises a discharge pipe (11) coaxially arranged below the mixing tank (2), and a second valve (12) is provided on the discharge pipe (11).

3. The powder mixing device for producing PCBN tool materials according to claim 1, characterized in that: The feeding mechanism comprises a screw conveyor (13), the feeding end of the screw conveyor (13) being connected to the discharging mechanism via an inclined pipe (4), and the outlet end of the screw conveyor (13) penetrating the mixing tank (2) and extending to above the spreading mechanism.

4. The powder mixing device for producing PCBN tool materials according to claim 1, characterized in that: The driving mechanism comprises a motor (14) vertically arranged on the mixing tank (2), and a driving end of the motor (14) penetrates into the mixing tank (2) and is connected to a material spreading mechanism.

5. The powder mixing device for producing PCBN tool materials according to claim 1, characterized in that: The material spreading mechanism comprises a transmission column (15) coaxially connected to the driving mechanism, a horizontally arranged circular plate (16) is connected to the lower end of the transmission column (15), a coaxial circular ring (18) is arranged above the circular plate (16) via a support rod (17), and a screen (19) is arranged between the circular ring (18) and the circular plate (16).

6. The powder mixing device for producing PCBN tool materials according to claim 1, characterized in that: An isolation net (20) is provided on the ventilation opening (10).

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