Ultrasonic vibration filter for narrow particle size distribution of abrasive micro powder

By using an ultrasonic vibration filter in the production of abrasive micro powder, combined with coarse and fine screens and a vibration damping structure, the problem of wide particle size distribution of abrasive micro powder was solved, and filtration of narrow particle size distribution was achieved, thus improving filtration efficiency and practicality.

CN223571291UActive Publication Date: 2025-11-21SHENZHEN SHINYUE SEMICONDUCTOR TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423065345.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-21
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

In current abrasive powder production, the particle size distribution is wide, making it difficult to achieve filtration with a narrow particle size distribution. This results in waste and surface scratches caused by excessively large or small particles, failing to meet the requirements of specialized processes.

Method used

An ultrasonic vibration filter with narrow particle size distribution for abrasive powder was designed. By setting coarse and fine screens in the filter tank and combining them with an ultrasonic vibration plate, segmented filtration is achieved to separate abrasive powder of different particle sizes. The vibration effect is reduced by the vibration damping structure to prevent powder sedimentation.

Benefits of technology

It achieves narrow particle size distribution filtration of abrasive powder, prevents powder sedimentation, improves filtration efficiency and practicality, reduces particle waste, and meets the requirements of special processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an abrasive micro-powder narrow distribution particle size ultrasonic vibration filter which comprises a supporting box body and a filtering water tank, the filtering water tank is installed on the top of the supporting box body in a sliding mode, the filtering water tank is obliquely arranged, and a feeding port is formed in the top of the higher end of the filtering water tank. A coarse screen and a fine screen are fixedly connected into the filtering water tank, the coarse screen is located at the position close to the feeding port, three filtering cavities are formed in the filtering water tank through the coarse screen and the fine screen, a discharging port is formed in the position, located at the bottom of the filtering water tank, in each filtering cavity, and a valve is arranged on each discharging port. The coarse screen and the fine screen are arranged in the filtering water tank, micro-powder slurry to be screened is poured into the filtering water tank from the feeding port, large-particle-size abrasive micro-powder in the micro-powder slurry is screened and isolated through the coarse screen, small-particle-size abrasive micro-powder in the micro-powder slurry is screened and isolated through the fine screen, and sectional type filtering of the abrasive micro-powder is achieved; the narrow distribution particle size of the abrasive micro powder is obtained.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibration filter, concretely is abrasive micro powder narrow distribution particle size ultrasonic vibration filter. BACKGROUND

[0002] Generally, abrasive (such as diamond, boron carbide, chromium oxide, silicon carbide, silicon nitride and alumina etc.) micro powder production plant considers the applicability of various purposes of customers, and the product particle size distribution is relatively wide, cannot satisfy the requirement of narrow distribution particle size of special process, unless the demand is very large and long-term demand, otherwise abrasive micro powder production plant will not accept the customization of narrow distribution particle size product, which causes many inconveniences to the customers of abrasive micro powder, and the wide abrasive micro powder particle size distribution, too large particle is easy to scratch the surface of the material being polished, too small particle cannot play the due role, and the invalid cost of too large particle and too small particle is wasted, therefore, it is necessary to design abrasive micro powder narrow distribution particle size ultrasonic vibration filter to solve the above problems. SUMMARY

[0003] In view of the defects in the prior art, the abrasive micro powder narrow distribution particle size ultrasonic vibration filter aims to solve the problems of wide abrasive micro powder particle size distribution and difficulty in filtering the abrasive micro powder narrow distribution particle size in the prior art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] Abrasive micro powder narrow distribution particle size ultrasonic vibration filter, including support box and filter water tank, the filter water tank is slidably installed at the top of support box, the filter water tank is inclinedly arranged and is provided with feed inlet at the top of the higher end, the filter water tank is fixedly connected with coarse screen and fine screen in the inside, the coarse screen is located close to the feed inlet, three filter cavities are formed in the filter water tank by the coarse screen and fine screen, the filter cavities are all provided with discharge port at the bottom of the filter water tank, the discharge port is provided with valve, the bottom of the filter water tank is fixedly installed with ultrasonic vibration plate, the ultrasonic vibration plate is electrically connected with ultrasonic generator, the vibration damping structure is arranged between the support box and filter water tank.

[0006] Preferably, the vibration damping structure includes upper fixed plate fixedly connected to the outer wall on both sides of the filter water tank and lower fixed plate fixedly connected to the outer wall on both sides of the support box, a plurality of shock absorbers are fixedly connected between the upper fixed plate and the lower fixed plate.

[0007] Preferably, the included angle β between the bottom surface of the filter water tank and the vertical surface is less than 90°.

[0008] Preferably, the angle a between the coarse screen and the bottom surface of the filter water tank is smaller than the angle b, and the coarse screen and the fine screen have the same inclination angle.

[0009] Preferably, a collecting barrel is arranged below each discharge port in the interior of the support box body, and a limiting mechanism for limiting and blocking the collecting barrel is arranged at the front end of the support box body.

[0010] Preferably, the limiting mechanism comprises a pair of guide sleeves fixedly connected to the support box body, guide rods slidingly connected in the guide sleeves, a same baffle fixedly connected to the bottom of the pair of guide rods and used for limiting and blocking the collecting barrel, reset springs sleeved outside the guide rods between the guide sleeves and the baffle, and a same connecting plate fixedly connected to the top of the pair of guide rods and provided with a handle at the top.

[0011] Preferably, positioning plates are fixedly connected to the bottom end of the interior of the support box body and located on both sides of the rear end of the collecting barrel.

[0012] Compared with the prior art, the abrasive micro-powder narrow distribution particle size ultrasonic vibration filter has the following beneficial effects:

[0013] 1. The abrasive micro-powder narrow distribution particle size ultrasonic vibration filter has the following beneficial effects: the coarse screen and the fine screen are arranged in the filter water tank, the micro-powder slurry to be screened is poured into the filter water tank from the feeding port, the coarse screen is used for screening and separating the large-diameter abrasive micro-powder in the micro-powder slurry, the large-diameter abrasive micro-powder is retained in the large-diameter abrasive micro-powder filtering cavity, the remaining micro-powder slurry enters the corresponding particle size abrasive micro-powder filtering cavity, the fine screen is used for screening and separating, the corresponding particle size abrasive micro-powder is retained in the corresponding particle size abrasive micro-powder filtering cavity, the small-diameter abrasive micro-powder enters the small-diameter abrasive micro-powder filtering cavity, the abrasive micro-powder is filtered in a segmented manner, the abrasive micro-powder has a narrow distribution particle size, in the process of filtering the abrasive micro-powder, the ultrasonic vibration plate is controlled to work by the ultrasonic generator to generate oscillation, which can prevent the micro-powder from depositing and help the micro-powder to disperse in water and pass through the screen, then the valve on the corresponding discharge port is opened, the abrasive micro-powder of the corresponding particle size is conveniently collected in the corresponding collecting barrel, and the abrasive micro-powder narrow distribution particle size ultrasonic vibration filter is convenient, fast and high in practicability.

[0014] 2. The abrasive micro-powder narrow distribution particle size ultrasonic vibration filter has the following beneficial effects: the angle b between the bottom surface of the filter water tank and the vertical surface is smaller than 90°, the angle a between the coarse screen and the bottom surface of the filter water tank is smaller than the angle b, the coarse screen and the fine screen are in a prone posture relative to the micro-powder slurry, and the micro-powder slurry is prevented from adhering to the screen and blocking the screen holes. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an abrasive micro-powder narrow distribution particle size ultrasonic vibration filter overall structure diagram.

[0016] Figure 2 It is an abrasive micro-powder narrow distribution particle size ultrasonic vibration filter internal structure diagram.

[0017] Figure 3 Supporting box cross section structure schematic view;

[0018] Figure 4 For Figure 1 A zone structure in the enlarged schematic view.

[0019] In the figure: 1, supporting box; 2, filter water tank; 3, feed inlet; 4, coarse screen; 5, fine screen; 6, ultrasonic vibration plate; 7, discharge port; 8, material collecting barrel; 9, upper fixed plate; 10, lower fixed plate; 11, shock absorber; 12, limiting mechanism; 1201, guide sleeve; 1202, guide rod; 1203, connecting plate; 1204, baffle; 1205, reset spring; 13, positioning plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment:

[0022] Please refer to Figures 1-4The embodiment provides an abrasive micro-powder narrow-distribution particle size ultrasonic vibration filter, which comprises a support box body 1 and a filter water tank 2, the filter water tank 2 is slidably arranged on the top of the support box body 1, the filter water tank 2 is arranged in an inclined mode, an inlet 3 is arranged at the top of the end of the filter water tank 2 which is relatively high, a coarse screen 4 and a fine screen 5 are fixedly connected in the filter water tank 2, the coarse screen 4 is arranged close to the inlet 3, three filter cavities are formed in the filter water tank 2 by the coarse screen 4 and the fine screen 5, a filter cavity for abrasive micro-powder with a conforming particle size is formed between the coarse screen 4 and the fine screen 5, a filter cavity for abrasive micro-powder with a large particle size is formed between the coarse screen 4 and the filter water tank 2, and a filter cavity for abrasive micro-powder with a small particle size is formed between the fine screen 5 and the filter water tank 2, an ultrasonic vibration plate 6 is fixedly arranged at the bottom of the filter water tank 2, and the ultrasonic vibration plate 6 is electrically connected with an ultrasonic generator, in use, the micro-powder slurry to be screened is poured into the filter water tank 2 from the inlet 3, the abrasive micro-powder with a large particle size in the micro-powder slurry is separated by the coarse screen 4, the abrasive micro-powder with a large particle size is retained in the filter cavity for abrasive micro-powder with a large particle size, the remaining micro-powder slurry enters the filter cavity for abrasive micro-powder with a conforming particle size, then the abrasive micro-powder with a conforming particle size is separated by the fine screen 5, the abrasive micro-powder with a conforming particle size is retained in the filter cavity for abrasive micro-powder with a conforming particle size, and the abrasive micro-powder with a small particle size enters the filter cavity for abrasive micro-powder with a small particle size, so that the abrasive micro-powder is filtered in a segmented mode, the abrasive micro-powder with a narrow distribution of particle sizes is obtained, and in the process of filtering the abrasive micro-powder, the ultrasonic vibration plate 6 is controlled to work by the ultrasonic generator to generate oscillation, so that the micro-powder is prevented from depositing and the micro-powder is helped to disperse in water and pass through the screen.

[0023] In the embodiment, as shown in Figure 1 A damping structure is arranged between the support box body 1 and the filter water tank 2, the damping structure comprises upper fixed plates 9 fixedly connected to the outer walls on the two sides of the filter water tank 2 and lower fixed plates 10 fixedly connected to the outer walls on the two sides of the support box body 1, a plurality of shock absorbers 11 are fixedly connected between the upper fixed plates 9 and the lower fixed plates 10, the shock absorbers 11 are helpful to reduce the influence of the vibration generated by the ultrasonic vibration plate 6 and the ultrasonic generator on the support box body 1, and improve the stability of the filter in use.

[0024] In the embodiment, as shown in Figure 2 The angle β between the bottom surface of the filter water tank 2 and the vertical surface is less than 90°, the angle α between the coarse screen 4 and the bottom surface of the filter water tank 2 is less than the angle β, the angle ω between the coarse screen 4 and the vertical surface is ensured, and the inclination angles of the coarse screen 4 and the fine screen 5 are consistent, so that the coarse screen 4 and the fine screen 5 are in a prone posture to the micro-powder slurry, and the micro-powder slurry is prevented from adhering to and clogging the screen holes.

[0025] In the embodiment, each filtering cavity is provided with a discharge port 7 at the bottom of the filtering water tank 2, and a valve is arranged near the discharge port 7. The discharge port 7 of the large-particle-size abrasive powder filtering cavity is located near the coarse screen 4, the discharge port 7 of the conforming-particle-size abrasive powder filtering cavity is located near the fine screen 5, and the discharge port 7 of the small-particle-size abrasive powder filtering cavity is located away from the fine screen 5. A collecting barrel 8 is arranged below each discharge port 7 in the interior of the support box body 1. The collecting barrel 8 is provided with three collecting barrels arranged below the three discharge ports 7, respectively. By opening the valve of the corresponding discharge port 7, the abrasive powder with a particle size that is too large, the abrasive powder with a conforming particle size, and the abrasive powder with a particle size that is too small and does not meet the requirements can be conveniently collected into the corresponding collecting barrel 8.

[0026] In the embodiment, the support box body 1 is fixedly connected with a positioning plate 13 at the bottom end of the interior and on both sides of the rear end of the collecting barrel 8. The positioning plate 13 is of an L-shaped structure. A limiting mechanism 12 for limiting and blocking the collecting barrel 8 is installed at the front end of the support box body 1. The limiting mechanism 12 includes a pair of guide sleeves 1201 fixedly connected to the support box body 1. A guide rod 1202 is slidably connected in the guide sleeve 1201. The bottom of the pair of guide rods 1202 is fixedly connected with the same baffle 1204. The baffle 1204 is used for limiting and blocking the collecting barrel 8. A return spring 1205 is sleeved on the outside of the guide rod 1202 between the guide sleeve 1201 and the baffle 1204. The top of the pair of guide rods 1202 is fixedly connected with the same connecting plate 1203. The connecting plate 1203 is fixedly connected with a handle at the top. In use, the collecting barrel 8 is abutted on the positioning plate 13, which is used for the preliminary positioning of the collecting barrel 8. Then, the baffle 1204 and the guide rod 1202 are pushed downward by the action of the return spring 1205, so that the baffle 1204 is blocked in front of the collecting barrel 8, which is used for limiting and blocking the collecting barrel 8, limiting and fixing the position of the collecting barrel 8, avoiding the position deviation of the collecting barrel 8, and enabling the collecting barrel 8 to better receive and accommodate the collecting barrel 8. After the collecting barrel 8 is filled, the connecting plate 1203 is moved upward by the handle, the connecting plate 1203 drives the guide rod 1202 and the baffle 1204 to move upward synchronously, so that the baffle 1204 is separated from the collecting barrel 8, the baffle 1204 no longer blocks the collecting barrel 8, which is helpful for taking out and replacing the collecting barrel 8 from the support box body 1, and is convenient to use.

[0027] Working principle: in use, the micro powder slurry to be screened is poured into the filter water tank 2 from the feed inlet 3, the large particle size abrasive micro powder in the micro powder slurry is separated and isolated through the coarse screen 4, the large particle size abrasive micro powder is retained in the large particle size abrasive micro powder filtering cavity, the remaining micro powder slurry enters the particle size abrasive micro powder filtering cavity, and then the particle size abrasive micro powder is separated and isolated through the fine screen 5, the particle size abrasive micro powder is retained in the particle size abrasive micro powder filtering cavity, and the small particle size abrasive micro powder enters the small particle size abrasive micro powder filtering cavity, so that the abrasive micro powder is filtered in a segmented manner, the ultrasonic vibration plate 6 is controlled to work by the ultrasonic generator to generate oscillation, which can prevent the micro powder from depositing and help the micro powder to disperse in water and pass through the screen, the shock absorber 11 is arranged to help reduce the vibration of the ultrasonic vibration plate 6 and the ultrasonic generator to the support box 1, improve the stability of the filter, the angle β between the bottom surface of the filter water tank 2 and the vertical surface is less than 90°, the angle α between the coarse screen 4 and the bottom surface of the filter water tank 2 is less than the angle β, so that the coarse screen 4 and the fine screen 5 are in a prone posture to the micro powder slurry, preventing the micro powder slurry from adhering to and clogging the screen holes, then the valve on the corresponding discharge port 7 is opened, the abrasive micro powder with a particle size that is too large, the abrasive micro powder with a particle size that meets the requirements and the abrasive micro powder with a particle size that is too small and does not meet the requirements can be conveniently collected into the corresponding material collecting barrel 8, the connecting plate 1203 is moved upward through the handle, the connecting plate 1203 drives the guide rod 1202 and the baffle 1204 to move upward synchronously, so that the baffle 1204 is separated from the material collecting barrel 8, the baffle 1204 no longer blocks the material collecting barrel 8, which helps to take out the material collecting barrel 8 from the support box 1 for replacement, and the use is quick and convenient.

[0028] The above embodiment is a preferred implementation scheme of the present application, and in addition thereto, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. An ultrasonic vibration filter for narrow particle size distribution of abrasive powder, comprising a support housing (1) and a filter water tank (2), characterized in that: The filter tank (2) is slidably installed on the top of the support box (1). The filter tank (2) is inclined and has a feed inlet (3) at the top of the higher end. A coarse screen (4) and a fine screen (5) are fixedly connected inside the filter tank (2). The coarse screen (4) is located near the feed inlet (3). The filter tank (2) forms three filter chambers through the coarse screen (4) and the fine screen (5). Each filter chamber has a discharge port (7) at the bottom of the filter tank (2). A valve is provided on the discharge port (7). An ultrasonic vibration plate (6) is fixedly installed at the bottom of the filter tank (2). The ultrasonic vibration plate (6) is electrically connected to an ultrasonic generator. A vibration damping structure is provided between the support box (1) and the filter tank (2).

2. The abrasive micro-powder narrow-distribution particle size ultrasonic vibration filter according to claim 1, characterized in that: The vibration damping structure includes an upper fixing plate (9) fixedly connected to the outer walls of both sides of the filter water tank (2) and a lower fixing plate (10) fixedly connected to the outer walls of both sides of the support box (1). Several shock absorbers (11) are fixedly connected between the upper fixing plate (9) and the lower fixing plate (10).

3. The abrasive micro-powder narrow-distribution particle size ultrasonic vibration filter according to claim 1, characterized in that: The angle β between the bottom surface of the filter tank (2) and the vertical plane is less than 90°.

4. The abrasive micro-powder narrow-distribution particle size ultrasonic vibration filter according to claim 3, characterized in that: The angle α between the coarse screen (4) and the bottom surface of the filter tank (2) is less than the angle β, and the inclination angles of the coarse screen (4) and the fine screen (5) are the same.

5. The abrasive micro-powder narrow-distribution particle size ultrasonic vibration filter according to claim 1, characterized in that: Inside the support box (1), below each discharge port (7), there is a collection bucket (8), and at the front end of the support box (1), there is a limiting mechanism (12) for limiting and blocking the collection bucket (8).

6. The abrasive micro-powder narrow-distribution particle size ultrasonic vibration filter according to claim 5, characterized in that: The limiting mechanism (12) includes a pair of guide sleeves (1201) fixedly connected to the support box (1). A guide rod (1202) is slidably connected inside the guide sleeve (1201). The bottom of the pair of guide rods (1202) is fixedly connected to the same baffle (1204). The baffle (1204) is used to limit and block the collection bucket (8). A return spring (1205) is sleeved between the guide sleeve (1201) and the baffle (1204) and outside the guide rod (1202). The top of the pair of guide rods (1202) is fixedly connected to the same connecting plate (1203). A handle is fixedly connected to the top of the connecting plate (1203).

7. The abrasive micro-powder narrow-distribution particle size ultrasonic vibration filter according to claim 5, characterized in that: Positioning plates (13) are fixedly connected to the bottom of the inner side of the support box (1) and on both sides of the rear end of the collection bucket (8).