A tungsten powder ball milling apparatus
By introducing an escape hood and a linear drive mechanism into the tungsten powder ball mill, combined with a vibrating motor and a screening frame, the problem of tungsten powder leakage during the feeding process is solved, achieving directional feeding of tungsten powder and separation of grinding balls, thus improving production efficiency and environmental safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEYUAN KAIYUAN CEMENTED CARBIDE CO LTD
- Filing Date
- 2025-04-23
- Publication Date
- 2026-06-05
AI Technical Summary
Existing tungsten powder ball milling equipment is prone to material loss due to airflow disturbances during the feeding process, leading to raw material waste, health hazards, and environmental pollution.
A tungsten powder ball milling device was designed, which includes an escape hood and a linear drive mechanism. The material outlet is sealed by an extension sleeve, and combined with a vibrating motor and a screening frame, the directional feeding of tungsten powder and the effective separation of grinding balls are achieved.
It effectively prevents tungsten powder from escaping, reduces raw material waste, keeps the processing environment clean, lowers production costs, and improves equipment operating efficiency.
Smart Images

Figure CN224321511U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of tungsten powder grinding technology, specifically relating to a tungsten powder ball milling device. Background Technology
[0002] Tungsten powder ball milling equipment is a key piece of equipment used to process tungsten powder raw materials to the required fineness and uniformity through ball milling. It is widely used in high-tech fields such as cemented carbide, electronic materials, and aerospace. During rotation or vibration, the grinding balls apply impact and friction forces to the material, causing particle breakage. The technological development of tungsten powder ball milling equipment needs to be closely integrated with material performance requirements, driving technological breakthroughs in high-end fields such as cemented carbide and electronic materials through process optimization and equipment innovation.
[0003] Existing tungsten powder ball milling equipment generally faces a significant problem during operation: the tungsten powder easily falls from the feed inlet into the storage tank and is dispersed into the surrounding environment due to airflow disturbances. This dispersion not only wastes tungsten powder and increases production costs but also poses potential health hazards to workshop operators. Inhalation of tungsten powder can cause respiratory illnesses and other health problems. Furthermore, the dispersed powder pollutes the production workshop environment, affecting the normal operation of the equipment and the conduct of other production processes. Utility Model Content
[0004] The purpose of this invention is to provide a tungsten powder ball milling device, which aims to solve the problem that in the prior art, tungsten powder easily falls from the feed port into the storage tank and escapes into the surrounding environment due to airflow disturbances during the feeding process of the tungsten powder ball milling device.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a tungsten powder ball milling device, comprising a powder ball mill body, a storage basin for carrying powder is provided directly below the discharge port of the material cylinder of the powder ball mill body, guide plates perpendicularly connected to the powder ball mill body are provided on both sides of the storage basin, an anti-escape cover is provided between the material cylinder and the storage basin and installed on the surface of the powder ball mill body, and an extension sleeve that can move axially along the discharge port of the material cylinder is provided on the surface of the anti-escape cover;
[0006] When the extension sleeve moves to its maximum stroke, its upper end is sealed and connected to the discharge port of the material cylinder, so as to confine the dust inside the anti-escape cover when the material cylinder discharges.
[0007] As a preferred embodiment of the tungsten powder ball milling equipment of this utility model, a first guide rod is connected to the surface of the anti-escape cover, and a guide cylinder connected to the side surface of the extension sleeve is sleeved on the surface of the first guide rod. A linear drive mechanism connected to the anti-escape cover is provided on one side of the extension sleeve so that the linear drive mechanism drives the extension sleeve to move axially.
[0008] As a preferred embodiment of the tungsten powder ball milling equipment of this utility model, the inner wall size of the extension sleeve opening is adapted to the outer wall size of the material cylinder outlet. When the extension sleeve moves to the top of its stroke, the extension sleeve opening is fitted onto the material cylinder outlet.
[0009] As a preferred embodiment of the tungsten powder ball milling equipment of this utility model, the lower end of the anti-escape hood is provided with a hood opening that matches the size of the storage basin opening, and an elastic pad is connected to the bottom surface of the anti-escape hood opening, and the anti-escape hood opening abuts against the storage basin opening through the elastic pad.
[0010] As a preferred embodiment of the tungsten powder ball milling equipment of this utility model, the inner wall of the storage basin is connected to an external threaded pipe, and a matching threaded sleeve is fitted on the surface of the external threaded pipe. A vibrating screening frame is provided at the bottom opening of the threaded sleeve.
[0011] As a preferred embodiment of the tungsten powder ball milling equipment of this utility model, a second guide rod is connected to each side of the threaded sleeve via a side lug. A connecting frame connected to the sieve frame is respectively fitted on the surface of the two second guide rods. A spring strip fitted on the second guide rod is connected between the side lug and the connecting frame. A vibration motor is respectively installed on the side surface of the two connecting frames.
[0012] In a preferred embodiment of the tungsten powder ball milling equipment of this utility model, the connecting frame forms an elastic structure between the spring strip and the side lug.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] In this invention, when the tungsten powder ball mill finishes grinding and needs to be unloaded, the linear drive mechanism extends, causing the extension sleeve to move upward until it is fitted onto the surface of the discharge port of the cylinder. After the valve body in the middle of the discharge port of the cylinder opens, the tungsten powder falls from the discharge port of the cylinder into the anti-escape hood and finally falls into the storage basin. During this process, the anti-escape hood prevents the tungsten powder from being affected by airflow and thus avoids the waste of tungsten powder raw materials, which would increase production costs. At the same time, it can maintain the cleanliness of the processing environment.
[0015] This invention uses a sieving frame to sieve grinding balls so that they fall inside the sieving frame. The vibration of the vibrating motor can drive the sieving frame to vibrate through the connecting frame. This vibration of the sieving frame can shake off most of the tungsten powder adhering to the surface of the grinding balls, thus effectively separating the grinding balls from the tungsten powder and avoiding waste of tungsten powder during subsequent cleaning of the grinding balls. Attached Figure Description
[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0017] Figure 1 This is a schematic diagram of the rear view structure of this utility model;
[0018] Figure 2 This is a side view of the structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the connection structure of the escape shield of this utility model;
[0020] Figure 4 This is a cross-sectional view and a partial enlarged view of the connection structure of the escape shield of this utility model;
[0021] Figure 5 This is a schematic diagram of the connection structure of the screening frame of this utility model.
[0022] In the diagram: 1. Main body of powder ball mill; 2. Material cylinder; 3. Storage basin; 4. Anti-escape cover; 5. Extension sleeve; 6. Guide cylinder; 7. First guide rod; 8. Linear drive mechanism; 9. External threaded pipe; 10. Threaded sleeve; 11. Screening frame; 12. Side lug; 13. Connecting frame; 14. Second guide rod; 15. Spring strip; 16. Vibration motor; 17. Guide plate. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figures 1-5The present invention provides the following technical solution: a tungsten powder ball milling device, including a powder ball mill body 1, a storage basin 3 for carrying powder is provided directly below the discharge port of the material cylinder 2 of the powder ball mill body 1, and guide plates 17 vertically connected to the powder ball mill body 1 are provided on both sides of the storage basin 3. An escape cover 4 is installed on the surface of the powder ball mill body 1 between the material cylinder 2 and the storage basin 3. An extension sleeve 5 that can move axially along the discharge port of the material cylinder 2 is provided on the surface of the escape cover 4. When the extension sleeve 5 moves to the top of its stroke, the upper end is sealed and connected to the discharge port of the material cylinder 2, so as to restrict the dust in the escape cover 4 when the material cylinder 2 discharges.
[0025] When using a tungsten powder ball mill, the tungsten powder raw material is first fed into the cylinder 2. Then, the cylinder 2 is driven to rotate by the power mechanism inside the main body 1 of the powder ball mill. When the cylinder 2 rotates, it can drive the tungsten powder raw material inside to rotate with the grinding balls, so that the tungsten powder raw material can be ground into powder through the impact between the grinding balls.
[0026] Preferably, the surface of the escape cover 4 is connected to a first guide rod 7, and the surface of the first guide rod 7 is fitted with a guide cylinder 6 connected to the side surface of the extension sleeve 5. A linear drive mechanism 8 connected to the escape cover 4 is provided on one side of the extension sleeve 5 so that the linear drive mechanism 8 drives the extension sleeve 5 to move axially.
[0027] In practical use, when the linear drive mechanism 8 extends, it can drive the extension sleeve 5 to move upward. When the extension sleeve 5 moves upward, it can drive the guide cylinder 6 to slide on the surface of the first guide rod 7, thereby limiting the movement direction of the extension sleeve 5.
[0028] Preferably, the inner wall size of the opening of the extension sleeve 5 is adapted to the outer wall size of the discharge port of the material cylinder 2. When the extension sleeve 5 moves to the top of its stroke, the opening of the extension sleeve 5 is fitted onto the discharge port of the material cylinder 2.
[0029] In practical use, when the extension sleeve 5 moves upward to the top and fits onto the surface of the discharge port of the material cylinder 2, it can connect the anti-escape cover 4 and the discharge port of the material cylinder 2, thus preventing the tungsten powder from escaping between the anti-escape cover 4 and the discharge port of the material cylinder 2.
[0030] Preferably, the lower end of the anti-escape cover 4 is provided with a cover opening that matches the size of the opening of the storage basin 3, and an elastic pad is connected to the bottom surface of the cover opening of the anti-escape cover 4, and the cover opening of the anti-escape cover 4 abuts against the opening of the storage basin 3 through the elastic pad.
[0031] In practical use, the opening of the escape shield 4 is sealed to the opening of the storage basin 3 by means of an elastic pad, thereby preventing the tungsten powder from escaping between the escape shield 4 and the storage basin 3.
[0032] Preferably, the inner wall of the storage basin 3 is connected to an external threaded pipe 9, and a matching threaded sleeve 10 is fitted on the surface of the external threaded pipe 9. A vibrating screening frame 11 is provided at the bottom opening of the threaded sleeve 10.
[0033] In practical use, the sieve frame 11 can be installed through the threaded connection between the external threaded pipe 9 and the threaded sleeve 10, so that tungsten powder and grinding balls can be sieved through the sieve frame 11.
[0034] Preferably, a second guide rod 14 is connected to each side of the threaded sleeve 10 via a side lug 12. A connecting frame 13 connected to the screening frame 11 is respectively fitted on the surface of the two second guide rods 14. A spring strip 15 fitted on the second guide rod 14 is connected between the side lug 12 and the connecting frame 13. A vibration motor 16 is respectively installed on the side surface of the two connecting frames 13. The connecting frame 13 forms an elastic reset structure with the side lug 12 through the spring strip 15.
[0035] In practical use, when the vibration motor 16 is running, it can drive the connecting frame 13 to vibrate axially on the surface of the second guide rod 14, thereby driving the screening frame 11 to vibrate so as to shake off the tungsten powder adhering to the surface of the grinding ball.
[0036] Working principle: When the tungsten powder ball mill finishes grinding and needs to discharge, the linear drive mechanism 8 can be activated. When the linear drive mechanism 8 extends, it can drive the extension sleeve 5 to move upward until it is sleeved on the surface of the discharge port of the material cylinder 2. Then, the valve body in the middle of the discharge port of the material cylinder 2 can be opened. After the valve body is opened, the tungsten powder and grinding balls can fall from the discharge port of the material cylinder 2. After the tungsten powder and grinding balls fall, they can enter the inside of the anti-escape cover 4 and fall onto the surface of the screening frame 11. At this time, the tungsten powder falls into the inside of the storage basin 3 through the screening frame 11, while the grinding balls remain on the surface of the screening frame 11.
[0037] Next, the vibration motor 16 can be run. Under the action of the spring bar 15, the vibration motor 16 vibrates and the connecting frame 13 drives the screening frame 11 to vibrate, so that most of the tungsten powder adhering to the surface of the grinding ball can be shaken off by the vibration of the screening frame 11.
[0038] Finally, pull the storage basin 3 out from the bottom of the escape cover 4, and then rotate the screening frame 11 from the bottom of the escape cover 4. When the screening frame 11 rotates, it can drive the threaded sleeve 10 to rotate on the surface of the external threaded tube 9. When the threaded sleeve 10 rotates on the surface of the external threaded tube 9, it can move downward. When the threaded sleeve 10 moves to the outside of the external threaded tube 9, the screening frame 11 can be removed and the grinding ball can be taken out. After the grinding ball is taken out, it can be rinsed and cleaned.
[0039] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A tungsten powder ball milling device, comprising a powder ball mill body (1), characterized in that: The powder ball mill body (1) has a storage basin (3) for carrying powder directly below the discharge port of the cylinder (2). The storage basin (3) has guide plates (17) on both sides that are vertically connected to the powder ball mill body (1). An escape cover (4) installed on the surface of the powder ball mill body (1) is provided between the cylinder (2) and the storage basin (3). An extension sleeve (5) that can move along the axial direction of the discharge port of the cylinder (2) is provided on the surface of the escape cover (4). When the extension sleeve (5) moves to the top of its travel, its upper end is sealed and connected to the discharge port of the material cylinder (2) so that when the material cylinder (2) discharges material, the dust is confined inside the anti-escape cover (4).
2. The tungsten powder ball milling equipment according to claim 1, characterized in that: The surface of the escape shield (4) is connected to a first guide rod (7), and the surface of the first guide rod (7) is fitted with a guide cylinder (6) connected to the side surface of the extension sleeve (5). A linear drive mechanism (8) connected to the escape shield (4) is provided on one side of the extension sleeve (5) so that the linear drive mechanism (8) drives the extension sleeve (5) to move axially.
3. The tungsten powder ball milling equipment according to claim 1, characterized in that: The inner wall size of the opening of the extension sleeve (5) is adapted to the outer wall size of the discharge port of the material cylinder (2). When the extension sleeve (5) moves to the top of its stroke, the opening of the extension sleeve (5) is fitted onto the discharge port of the material cylinder (2).
4. The tungsten powder ball milling equipment according to claim 1, characterized in that: The lower end of the anti-escape cover (4) is provided with a cover opening that matches the size of the opening of the storage basin (3). An elastic pad is connected to the bottom surface of the cover opening of the anti-escape cover (4), and the cover opening of the anti-escape cover (4) abuts against the opening of the storage basin (3) through the elastic pad.
5. The tungsten powder ball milling equipment according to claim 1, characterized in that: The inner wall of the storage basin (3) is connected to an external threaded pipe (9), and a matching threaded sleeve (10) is fitted on the surface of the external threaded pipe (9). A vibrating screening frame (11) is provided at the bottom opening of the threaded sleeve (10).
6. The tungsten powder ball milling equipment according to claim 5, characterized in that: The threaded sleeve (10) is connected to a second guide rod (14) on both sides via side ears (12). The surfaces of the two second guide rods (14) are respectively fitted with connecting frames (13) connected to the screening frame (11). A spring strip (15) fitted on the second guide rod (14) is connected between the side ears (12) and the connecting frames (13). A vibration motor (16) is installed on the side surface of each of the two connecting frames (13).
7. The tungsten powder ball milling equipment according to claim 6, characterized in that: The connecting frame (13) forms an elastic structure between the spring strip (15) and the side ear (12).