Efficient ball-milling device for spherical alloy powder

Abstract

The utility model relates to an efficient ball-milling device for spherical alloy powder, which relates to the technical field of ball-milling equipment and comprises a milling bin, the milling bin is rotatably mounted on a support frame through a bearing and is driven to rotate through a transmission part, a bin body is spherical or cylindrical, a plurality of lining plates are arranged on the inner side of the bin body, and spherical alloy powder particles are shaped and polished. A screening mechanism is arranged at the rear end of the grinding bin and comprises a screening net barrel, a rotating roller is arranged at the axis position in the screening net barrel, and the screening mechanism screens the spherical alloy powder particles which are crushed or not completely ball-milled, so that the granularity uniformity of the spherical alloy powder particles is ensured; the air vent is formed in the outer surface of the grinding bin and externally connected with the air pump and the air tank filled with inert gas through the air duct, the blocking plate is arranged at the air vent, and the air vent is closed through the blocking plate, so that the content of oxygen in the grinding bin is reduced, the ball-milling effect is better, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball milling equipment, in particular to a high-efficiency ball milling device for spherical alloy powder. Background Technique

[0002] Ball mills are widely used in industries such as mineral processing, building materials, and chemical engineering for dry or wet ball milling of ores or other grindable materials. Its main structure is a grinding chamber with openings at both ends. When in use, the grindable material is conveyed into the grinding chamber, and the grinding chamber is rotated. Under the action of the gravity of the abrasive and the grindable material itself, the grindable material is ground.

[0003] In the prior art, ball mills are also used to shape and polish spherical alloy powder particles. When the grinding chamber rotates, the 3D printed spherical alloy powder particles tumble and rub against each other in the grinding chamber for shaping and polishing. However, the existing ball mills have low working efficiency, and the production finished products do not meet the production specifications. Content of the Utility Model

[0004] In order to improve the problems of alloy powder during ball milling in the above background technique, the utility model provides a high-efficiency ball milling device for spherical alloy powder.

[0005] The high-efficiency ball milling device for spherical alloy powder provided by the utility model adopts the following technical scheme:

[0006] A high-efficiency ball milling device for spherical alloy powder includes a grinding chamber. The grinding chamber is rotatably installed on a support frame through bearings and is driven to rotate by a transmission member. The front end of the grinding chamber is connected to a feeding roller, and a screening mechanism is arranged at the rear end of the grinding chamber. An air vent is opened on the outer surface of the grinding chamber, and the air vent is externally connected to an air pump and a gas tank filled with inert gas through an air vent pipe.

[0007] Preferably, the screening mechanism includes a screening mesh cylinder. The screening mesh cylinder is connected to the rear end of the grinding chamber, and a rotating roller is arranged at the central axis position inside the screening mesh cylinder. The rotating roller is driven to rotate by a rotating motor. A spiral blade is arranged between the rotating roller and the screening mesh cylinder. The spiral blade is fixed on the rotating roller and contacts the screening mesh cylinder. A collection cart is arranged below the screening mesh cylinder.

[0008] Preferably, the grinding chamber includes a chamber body. A plurality of lining plates are arranged in the chamber body in an array. An arc-shaped groove is arranged inside the lining plate. A mounting hole penetrates through the central position of the lining plate and is fixed to the chamber body by bolts.

[0009] Preferably, a plugging plate is arranged at the position of the air vent, and the air vent is closed by the plugging plate. A sealing strip is arranged at the inner edge of the plugging plate, and a lining plate is fixedly installed inside the plugging plate.

[0010] Preferably, the chamber body is spherical or cylindrical.

[0011] Preferably, abrasive is placed in the grinding chamber.

[0012] Preferably, a gas sensor is arranged at the outlet position of the rear end of the grinding chamber, and the gas sensor is communicatively connected to a controller arranged on one side of the air pump.

[0013] In summary, the utility model has the following beneficial technical effects:

[0014] 1. The utility model uses a ball milling device to shape and polish spherical alloy powder particles. The surface of the spherical alloy powder particles contains an oxide layer. Ball milling exposes the surface of the spherical alloy powder particles, facilitating subsequent processes. The screening mechanism at the rear end of the grinding chamber screens the broken or incompletely ball-milled spherical alloy powder particles to ensure uniform particle size of the spherical alloy powder particles.

[0015] 2. Ventilation openings are provided on the outer surface of the grinding chamber. An inert gas is introduced into the grinding chamber before ball milling to reduce the oxygen content in the grinding chamber, resulting in better ball milling effect and improved work efficiency. Description of the Drawings

[0016] Figure 1 is an overall structural schematic diagram of a high-efficiency ball milling device for spherical alloy powder according to an embodiment of the utility model;

[0017] Figure 2 is an internal structural schematic diagram of a cylindrical grinding chamber according to an embodiment of the utility model;

[0018] Figure 3 is an internal structural schematic diagram of the screening mechanism according to an embodiment of the utility model;

[0019] Figure 4 is a structural schematic diagram of a lining plate according to an embodiment of the utility model;

[0020] Figure 5 is a structural schematic diagram of a ventilation opening according to an embodiment of the utility model;

[0021] Figure 6 is a structural schematic diagram of a spherical housing according to an embodiment of the utility model.

[0022] Description of the reference numerals: 1, grinding chamber; 2, bearing; 3, support frame; 4, transmission member; 5, feeding roller; 6, screening mechanism; 7, ventilation opening; 8, ventilation pipeline; 9, air pump; 10, gas tank; 11, screening mesh cylinder; 12, rotating roller; 13, rotating motor; 14, spiral blade; 15, collection vehicle; 16, housing; 17, lining plate; 18, arc-shaped groove; 19, mounting hole; 20, bolt; 21, plugging plate; 22, seal strip; 23, abrasive; 24, gas sensor; 25, controller. Detailed Embodiments

[0023] The following is combined withFigures 1 - 6 A further detailed description of the present utility model will be given.

[0024] An embodiment of the present utility model discloses a high-efficiency ball milling device for spherical alloy powder.

[0025] Referring to Figure 1 、 Figure 2 A high-efficiency ball milling device for spherical alloy powder includes a grinding bin 1. The grinding bin 1 is rotatably installed on a support frame 3 through a bearing 2 and is driven to rotate by a transmission member 4. The transmission member 4 includes a servo motor. A speed reducer is provided at the output end of the servo motor. The servo motor outputs through a coupling and is in gear transmission with a gear ring on the outer side of the grinding bin 1 to drive the grinding bin 1 to rotate. The front end of the grinding bin 1 is connected to a feeding roller 5. A screening mechanism 6 is provided at the rear end of the grinding bin 1. An air vent 7 is opened on the outer surface of the grinding bin 1. The air vent 7 is externally connected to an air pump 9 and a gas tank 10 filled with inert gas through an air vent pipe 8.

[0026] Referring to Figure 1 、 Figure 3 The screening mechanism 6 includes a screening mesh cylinder 11. The screening mesh cylinder 11 is connected to the rear end of the grinding bin 1 and a rotating roller 12 is arranged at the axial center position inside the screening mesh cylinder 11. The rotating roller 12 is driven to rotate by a rotating motor 13. A spiral blade 14 is arranged between the rotating roller 12 and the screening mesh cylinder 11. The spiral blade 14 is fixed on the rotating roller 12 and contacts the screening mesh cylinder 11. A collection cart 15 is arranged below the screening mesh cylinder 11 to collect broken or incompletely ball-milled spherical alloy powder particles. A collection box is arranged at the rear end of the screening mesh cylinder 11 to collect finished products and for subsequent processes.

[0027] Referring to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 The grinding bin 1 includes a bin body 16. A plurality of lining plates 17 are arranged in an array on the inner side of the bin body 16. Reinforcing ribs are arranged on the back of the lining plates 17. An arc-shaped groove 18 is arranged on the inner side of the lining plates 17. A mounting hole 19 penetrates through the center position of the lining plates 17 and is fixed to the bin body 16 through a bolt 20.

[0028] Referring to Figure 5 A sealing plate 21 is arranged at the position of the air vent 7 and the air vent 7 is closed through the sealing plate 21. One end of the sealing plate is hinged to the upper edge of the air vent 7, and the other end of the sealing plate is locked to the lower edge of the air vent 7. A seal strip 22 is arranged on the inner edge of the sealing plate 21. The lining plate 17 is fixedly installed on the inner side of the sealing plate 21. The edge of the lining plate 17 located on the inner side of the sealing plate 21 is chamfered to facilitate the sealing plate 21 to be closed at the position of the air vent 7.

[0029] Referring to Figure 1 、 Figure 6, the storage body 16 is spherical or cylindrical. Currently, the storage body 16 on the market is mainly cylindrical, or the storage body 16 can be set as spherical, fixed and buckled by two hemispheres, and the grinding effect of spherical alloy powder is better.

[0030] Refer to Figure 1 , Figure 2 , abrasive 23 is placed in the grinding chamber 1, and the abrasive 23 is doped between the spherical alloy powders to reduce the fragmentation of the spherical alloy powders caused by collision and extrusion.

[0031] Refer to Figure 1 , Figure 2 , a gas sensor 24 is arranged at the outlet position at the rear end of the grinding chamber 1. The gas sensor 24 is communicatively connected to a controller 25 arranged on one side of the air pump 9. The communication connection is a kind of electrical connection. The controller 25 receives the gas information detected by the gas sensor 24 and controls the opening and closing of the air pump 9.

[0032] The implementation principle of a high-efficiency ball mill device for spherical alloy powder according to an embodiment of the present invention is as follows: Before ball milling, the plugging plate 21 at the position of the ventilation port 7 is opened, and the controller 25 is operated to control the air pump 9 to start. The air pump 9 introduces the inert gas in the gas tank 10 into the grinding chamber 1 along the ventilation pipeline 8. When the gas sensor 24 detects the inert gas information, the air pump 9 is closed; the transmission member 4 drives the grinding chamber 1 to rotate, and the spherical alloy powder particles enter the grinding chamber 1 along the feeding roller 5 and are ball milled in the grinding chamber 1. The grinding chamber 1 rotates at a low speed to shape and polish the surface of the spherical alloy powder particles, and the grinding chamber 1 rotates at a high speed to break and grind the spherical alloy powder particles. The spherical alloy powder particles after ball milling are screened by the screening mechanism 6 to screen the broken or incompletely ball milled spherical alloy powder particles, ensure the uniformity of the particle size of the spherical alloy powder particles, and output the finished product.

[0033] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. An efficient ball milling device for spherical alloy powder, comprising a grinding chamber (1), wherein the grinding chamber (1) is rotatably installed on a support frame (3) through a bearing (2) and is driven to rotate by a transmission member (4), and is characterized in that: The front end of the grinding bin (1) is connected to the feeding roller (5), a screening mechanism (6) is arranged at the rear end of the grinding bin (1), a ventilation port (7) is opened on the outer surface of the grinding bin (1), and the ventilation port (7) is externally connected to an air pump (9) and a gas tank (10) filled with inert gas through a ventilation pipeline (8).

2. The high-efficient ball milling device for spherical alloy powder according to claim 1, characterized in that: The screening mechanism (6) includes a screening mesh cylinder (11). The screening mesh cylinder (11) is connected to the rear end of the grinding bin (1), and a rotating roller (12) is arranged at the central axis position inside the screening mesh cylinder (11). The rotating roller (12) is driven to rotate by a rotating motor (13). A spiral blade (14) is arranged between the rotating roller (12) and the screening mesh cylinder (11). The spiral blade (14) is fixed on the rotating roller (12) and contacts the screening mesh cylinder (11). A collection vehicle (15) is arranged below the screening mesh cylinder (11).

3. The high-efficiency ball milling device for spherical alloy powder according to claim 1, wherein: The grinding bin (1) includes a bin body (16). A plurality of lining plates (17) are arranged in a row on the inner side of the bin body (16). An arc-shaped groove (18) is arranged on the inner side of the lining plate (17). A mounting hole (19) penetrates through the center position of the lining plate (17) and is fixed to the bin body (16) by bolts (20).

4. A high-efficiency ball milling device for spherical alloy powder according to claim 3, characterized in that: A sealing plate (21) is arranged at the position of the ventilation port (7), and the ventilation port (7) is closed by the sealing plate (21). A seal strip (22) is arranged on the inner edge of the sealing plate (21). The inner side of the sealing plate (21) is fixedly installed with a lining plate (17).

5. The high-efficiency ball milling device for spherical alloy powder according to claim 3, characterized in that: The bin body (16) is spherical or cylindrical.

6. The high-efficiency ball milling device for spherical alloy powder according to claim 3, wherein: A grinding abrasive (23) is placed inside the grinding bin (1).

7. The high-efficiency ball milling device for spherical alloy powder according to claim 1, wherein: A gas sensor (24) is arranged at the outlet position of the rear end of the grinding bin (1), and the gas sensor (24) is communicatively connected to a controller (25) arranged on one side of the air pump (9).

Images