Metal powder mixing device for diamond production

By designing a metal powder mixing device with a rotating mixing tank and an inert gas charging system, the problems of powder agglomeration and oxidation in traditional devices have been solved, achieving efficient mixing and anti-oxidation effects.

CN223641703UActive Publication Date: 2025-12-09SHAANXI XINFU PURE OPTOELECTRONICS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423255021.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-12-09
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

Traditional mixing devices are prone to agglomeration and powder oxidation when mixing diamond powder and metal powder, which affects mixing efficiency and product quality.

Method used

A metal powder mixing device was designed, which includes a rotating mixing tank, a stirring device, and an inert gas charging system. The rotating mixing tank prevents agglomeration, and the inert gas prevents oxidation.

Benefits of technology

It improves mixing efficiency, avoids powder agglomeration and oxidation, and ensures product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of diamond production and processing, and discloses a metal powder mixing device for diamond production, which comprises a bottom plate, a first motor and a mixing tank, the first motor is fixed on the vertical plate on one side, the mixing tank is rotatably arranged between the two vertical plates and is driven by the first motor, and a stirring device is arranged in the mixing tank; an inflation structure; the inert gas filling device is arranged on one side of the top end of the bottom plate and is used for filling the mixing tank with inert gas. Compared with the prior art, the metal powder mixing device has the advantages that rotation of the mixing tank can be realized while metal powder is mixed and stirred, powder particles can continuously roll back and forth under the action of gravity, the mixing efficiency is further improved, the agglomeration phenomenon is avoided, anti-oxidation measures are conveniently taken, and the service life of the mixing tank is prolonged. And deoxidizing the powder before mixing.
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Description

Technical Field

[0001] This utility model relates to the field of diamond production and processing technology, specifically to a metal powder mixing device for diamond production. Background Technology

[0002] Diamond has excellent physical properties and high hardness, and is widely used in precision machining, abrasive manufacturing and other fields. Metal powder plays a crucial role in the manufacture of diamond tools. These metal powders are mainly used as binders or components of the matrix to improve the hardness, toughness, wear resistance and service life of diamond tools. Therefore, mixing devices are often used in the production process of diamond tools.

[0003] Traditional mixing devices typically use a combination of a stirring shaft and stirring blades to mix diamond powder and metal powder. However, due to the interaction forces between metal powder particles, the powder is prone to agglomeration during the mixing process. Using different mixing tanks can lead to larger agglomerated powder particles, affecting mixing efficiency. Furthermore, the powder is prone to reacting with oxygen in the air during the mixing process, causing oxidation and affecting the quality of subsequent products. Utility Model Content

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by this utility model is to overcome the above-mentioned technical difficulties and provide a method that can mix and stir metal powder while rotating the mixing tank. The powder particles will roll back and forth continuously under the action of gravity, which further improves the mixing efficiency, avoids the occurrence of agglomeration, and facilitates the implementation of anti-oxidation measures, such as deoxygenating the powder before mixing.

[0006] II. Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a metal powder mixing device for diamond production, comprising a base plate, wherein a pair of vertical plates are provided at the top of the base plate, and further comprising:

[0008] A first motor and a mixing tank; the first motor is fixed on one side of a vertical plate, the mixing tank is rotatably disposed between two vertical plates and driven by the first motor, and the mixing tank is equipped with a stirring device.

[0009] An inflatable structure is provided on one side of the top of the base plate for filling the mixing tank with inert gas.

[0010] As an improvement, the mixing tank is provided with a rotating shaft on both sides, and the end of the rotating shaft away from the mixing tank is rotatably connected to the vertical plate.

[0011] As an improvement, one end of the rotating shaft is provided with a second gear, and the output end of the first motor is provided with a first gear that meshes with the second gear.

[0012] As an improvement, the inflation structure includes an air tank, an air inlet pipe, and an air outlet pipe; the air tank is placed directly on one side of the top of the base plate, the air inlet pipe and the air outlet pipe are respectively set on both sides of the top of the mixing tank, and each is controlled by a valve; the top of the air tank is equipped with a vacuum pump, and the output end of the vacuum pump is equipped with an air supply pipe that can be connected to the air inlet pipe; the inflation structure also includes a pressure gauge; the pressure gauge is set on the top of the mixing tank and is connected to the mixing tank.

[0013] As an improvement, the stirring device includes a second motor located at the bottom of the mixing tank, and a stirring shaft rotatably connected to and driven by the second motor is provided inside the mixing tank, with stirring blades on both sides of the stirring shaft.

[0014] As an improvement, the bottom of the stirring shaft is provided with inverted L-shaped scrapers that are in contact with the inner wall of the mixing tank on both sides, and the stirring blades are inclined and evenly distributed on both sides of the stirring shaft.

[0015] As an improvement, the mixing tank is provided with a feed inlet at the top, and a sealing cap is provided inside the feed inlet.

[0016] III. Beneficial Effects

[0017] The advantages of this utility model compared with the prior art are as follows:

[0018] 1. The mixing tank can be driven to rotate continuously by the first motor, rotating shaft, gear one and gear two, which further improves the mixing efficiency. The powder particles will roll back and forth under the action of gravity to avoid agglomeration. Moreover, with the assistance of the second motor, stirring shaft and stirring blade, the metal powder in the mixing tank can be mixed and stirred. At the same time, the L-shaped scraper rotates to scrape off the powder residue on the inner wall of the mixing tank to avoid residue.

[0019] 2. By using a gas tank, air pump, gas delivery pipe, air inlet pipe, air outlet pipe, and pressure gauge, inert gas can be pre-filled into the mixing tank to facilitate anti-oxidation measures. The powder is deoxygenated before mixing to prevent oxidation and ensure the quality of subsequent products. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of a metal powder mixing device for diamond production according to this utility model. Figure 1 .

[0021] Figure 2 This is a three-dimensional schematic diagram of a metal powder mixing device for diamond production according to this utility model. Figure 2 .

[0022] Figure 3 This is a cross-sectional structural schematic diagram of a metal powder mixing device for diamond production according to this utility model.

[0023] Figure 4 This is a partial structural schematic diagram of a metal powder mixing device for diamond production according to this utility model.

[0024] Figure 5 This is a cross-sectional structural schematic diagram of the mixing tank of a metal powder mixing device for diamond production according to this utility model.

[0025] As shown in the figure: 1. Base plate; 2. Vertical plate; 3. First motor; 4. Mixing tank; 5. Rotating shaft; 6. Gear 1; 7. Gear 2; 8. Second motor; 9. Stirring shaft; 10. Stirring blade; 11. L-shaped scraper; 12. Feed inlet; 13. Air inlet pipe; 14. Exhaust pipe; 15. Pressure gauge; 16. Air tank; 17. Air pump; 18. Air delivery pipe. Detailed Implementation

[0026] In the description of this utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

[0027] The present invention will now be described in further detail with reference to the accompanying drawings.

[0028] A metal powder mixing device for diamond production, as shown in the attached... Figure 1 and attached Figure 4The system includes a base plate 1, with a pair of vertical plates 2 arranged at the top of the base plate 1, a first motor 3, and a mixing tank 4. The first motor 3 is fixed on one side of the vertical plate 2, and the mixing tank 4 is rotatably positioned between the two vertical plates 2 and driven by the first motor 3. One end of the rotating shaft 5 on one side is provided with a second gear 7, and the output end of the first motor 3 is provided with a first gear 6 that meshes with the second gear 7. The first motor 3 drives the rotating shaft 5 to rotate continuously through the first gear 6 and the second gear 7, thereby realizing the rotation of the mixing tank 4. This facilitates the improvement of mixing efficiency, and the powder particles will continuously roll back and forth under the action of gravity, avoiding the occurrence of agglomeration. The top of the mixing tank 4 is provided with a feed inlet 12, and the feed inlet 12 is provided with a sealing cover for easy opening, facilitating material discharge or feeding.

[0029] Combined with appendix Figure 3 and attached Figure 5 The mixing tank 4 is equipped with a stirring device, which includes a second motor 8 located at the bottom of the mixing tank 4. The mixing tank 4 is equipped with a stirring shaft 9 rotatably connected and driven by the second motor 8. Stirring blades 10 are provided on both sides of the stirring shaft 9. The stirring blades 10 are inclined and evenly distributed on both sides of the stirring shaft 9. Under the drive of the second motor 8, the stirring shaft 9 and the stirring blades 10 rotate continuously, which can directly mix and stir the powder.

[0030] Combined with appendix Figure 5 The bottom of the stirring shaft 9 is provided with inverted L-shaped scrapers 11 on both sides, which are in contact with the inner wall of the mixing tank 4, so as to directly scrape off the metal powder remaining on the inner wall of the mixing tank 4 and avoid waste.

[0031] Combined with appendix Figure 1 and attached Figure 2 An inflation structure is provided on one side of the top of the base plate 1 for filling the mixing tank 4 with inert gas. The inflation structure includes a gas tank 16, an inlet pipe 13, and an outlet pipe 14. The gas tank 16 is placed directly on one side of the top of the base plate 1. The inlet pipe 13 and the outlet pipe 14 are respectively located on both sides of the top of the mixing tank 4 and are controlled by valves. A vacuum pump 17 is provided at the top of the gas tank 16, and the output end of the vacuum pump 17 is provided with a gas delivery pipe 18 that can be connected to the inlet pipe 13. The inflation structure also includes a pressure... Pressure gauge 15 is installed at the top of mixing tank 4 and is connected to mixing tank 4. Gas supply pipe 18 is connected to air inlet pipe 13. When the valve on air inlet pipe 13 is opened, the support of air pump 17 draws inert gas from gas tank 16 and sends it directly to mixing tank 4. At the same time, the valve on exhaust pipe 14 is opened to discharge air from the tank. During the filling process, pressure gauge 15 is used to monitor the pressure change in mixing tank 4. The powder can be deoxygenated before mixing to prevent powder oxidation and ensure the quality of subsequent products.

[0032] In specific implementation of this utility model:

[0033] First, the metal powder to be mixed is poured directly into the mixing tank 4 through the feed port 12, and then the sealing cap is closed.

[0034] Then, connect the gas supply pipe 18 and the air inlet pipe 13 together, open the valve on the air inlet pipe 13, and the vacuum pump 17 bracket draws inert gas from the gas tank 16 and sends it directly to the mixing tank 4. At the same time, open the valve on the exhaust pipe 14 to expel the air from the tank. During the filling process, use the pressure gauge 15 to monitor the pressure change in the mixing tank 4. Based on the size of the mixing tank 4, and given that the weight of the inert gas is greater than the mass of oxygen, it will continuously sink until the mixing tank 4 is filled with inert gas. Then disconnect the gas supply pipe 18 and close the valves on the air inlet pipe 13 and the exhaust pipe 14. This allows for deoxygenation of the powder before mixing, preventing powder oxidation and ensuring the quality of subsequent products.

[0035] Finally, the first motor 3 and the second motor 8 are started. The second motor 8 drives the stirring shaft 9 and the stirring blade 10 to rotate continuously, which can directly mix and stir the powder. The L-shaped scraper 11 can directly scrape off the metal powder remaining on the inner wall of the mixing tank 4 to ensure uniform mixing. At this time, the first motor 3 drives the gear 6 to rotate, and the gear 7 meshing with the gear 6 rotates accordingly, which in turn drives the rotating shaft 5 to rotate, so that the mixing tank 4 rotates continuously, further improving the mixing efficiency. The powder particles will roll back and forth continuously under the action of gravity, avoiding the occurrence of agglomeration.

[0036] After mixing is complete, rotate the mixing tank 4 so that the inlet 12 faces downwards, and directly remove the mixed material.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0038] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A metal powder mixing device for diamond production, comprising a base plate (1), wherein a pair of vertical plates (2) are provided at the top of the base plate (1), characterized in that, Also includes: The first motor (3) and the mixing tank (4) are fixed on one side of the vertical plate (2). The mixing tank (4) is rotatably set between the two vertical plates (2) and driven by the first motor (3). The mixing tank (4) is equipped with a stirring device. An inflatable structure is provided on one side of the top of the base plate (1) for filling the mixing tank (4) with inert gas.

2. The metal powder mixing device for diamond production according to claim 1, characterized in that: The mixing tank (4) is provided with rotating shafts (5) on both sides, and the end of the rotating shaft (5) away from the mixing tank (4) is rotatably connected to the vertical plate (2).

3. The metal powder mixing device for diamond production according to claim 2, characterized in that: One end of the rotating shaft (5) on one side is provided with a second gear (7), and the output end of the first motor (3) is provided with a first gear (6) that meshes with the second gear (7).

4. The metal powder mixing device for diamond production according to claim 1, characterized in that: The inflation structure includes an air tank (16), an air inlet pipe (13), and an exhaust pipe (14); the air tank (16) is placed directly on one side of the top of the base plate (1), the air inlet pipe (13) and the exhaust pipe (14) are respectively set on both sides of the top of the mixing tank (4), and each is controlled by a valve. The top of the air tank (16) is provided with a vacuum pump (17), and the output end of the vacuum pump (17) is provided with an air supply pipe (18) that can be connected to the air inlet pipe (13); The inflation structure also includes a pressure gauge (15); the pressure gauge (15) is located at the top of the mixing tank (4) and is connected to the mixing tank (4).

5. A metal powder mixing device for diamond production according to claim 1, characterized in that: The stirring device includes a second motor (8) located at the bottom of the mixing tank (4). The mixing tank (4) is provided with a stirring shaft (9) rotatably connected and driven by the second motor (8). Stirring blades (10) are provided on both sides of the stirring shaft (9).

6. A metal powder mixing device for diamond production according to claim 5, characterized in that: The bottom of the stirring shaft (9) is provided with inverted L-shaped scrapers (11) that are in contact with the inner wall of the mixing tank (4), and the stirring blades (10) are inclined and evenly distributed on both sides of the stirring shaft (9).

7. The metal powder mixing device for diamond production according to claim 1, characterized in that: The mixing tank (4) has an inlet (12) at the top and a sealing cap inside the inlet (12).