Screening and impurity removing device
By using a combination design of a drive motor and a spreading plate in the screening and impurity removal device, the problem of screen clogging caused by alumina powder accumulation is solved, enabling faster screen application in alumina screening devices. This solves the screening efficiency problem in existing technologies, improves screening speed and efficiency, and addresses the issues of low screening efficiency and clogging in existing technologies.
Patent Information
- Application Number
- CN202423120648.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-18
AI Technical Summary
In existing technologies, alumina powder tends to accumulate on the screen during the screening process, causing the mesh to become clogged, which affects screening efficiency and speed, and increases the workload of the workers.
A screening and impurity removal device is adopted. The screw is driven by a drive motor to rotate, so that the alumina powder in the storage box is slowly and evenly sprinkled onto the screen. Combined with the high-speed vibration of the material tray driven by the vibration motor, the screening is carried out. At the same time, the screening thickness is adjusted by adjusting the spreading plate to avoid accumulation.
It effectively reduces the probability of screen mesh clogging, improves the screening efficiency of alumina powder, reduces the risk of clogging caused by powder accumulation, and improves screening speed and efficiency.
Smart Images

Figure CN223698457U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a screening and impurity removing device belongs to the field of alumina powder screening. BACKGROUND
[0002] In prior art, the alumina powder to be screened is poured into the screening box from the feed inlet, so that the alumina powder is above the screen, and then the material tray is vibrated at high speed by the vibration motor to screen the alumina powder through the screen. However, when screening the alumina powder, if too much powder is poured onto the screen, the powder accumulated in one place can easily block the screen mesh, affecting the screening effect, resulting in slow screening and slag removing speed and low efficiency, and increasing the workload of the workers. Therefore, a screening and impurity removing device capable of spreading the accumulated alumina powder is needed. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model aims to provide a screening and impurity removing device to solve the problems raised in the background art. The utility model reduces the situation that the alumina powder is accumulated in one place on the screen, causing the screen mesh to be blocked.
[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a screening and impurity removing device, comprising a supporting bottom plate, a plurality of control buttons are installed on the front side of the supporting bottom plate, a plurality of buffer springs are installed above the supporting bottom plate, a vibration motor is installed above the supporting bottom plate, the buffer springs are distributed around the vibration motor, a material tray is installed above the vibration motor, one end of the buffer springs away from the supporting bottom plate is installed at the bottom of the material tray, a feed inlet is formed above the material tray, a top cover is installed inside the feed inlet, protective covers are installed on both sides of the material tray, a screen is installed inside the material tray, a storage box is installed inside the material tray, the storage box is located above the screen, a moving mechanism is installed on one side of the storage box, and a spreading piece is installed on the storage box.
[0005] Further, a discharge outlet is formed on both sides of the material tray, the discharge outlets are located above and below the screen respectively, and protective covers are installed outside the discharge outlets.
[0006] Further, the moving mechanism comprises a driving motor, the driving motor is installed outside the material tray, a screw rod is installed at the output end of the driving motor, the screw rod is installed inside the material tray, the screw rod is located above the screen, a threaded sleeve is installed on the screw rod, and the threaded sleeve is installed on one side of the storage box.
[0007] Further, a guide rod is installed inside the material tray, the guide rod and the screw rod are symmetrically installed inside the material tray, a fixing sleeve is installed on the guide rod, and the fixing sleeve is installed on one side of the storage box.
[0008] Further, the flattening piece comprises a fixed base, two fixed bases are symmetrically installed on both sides of the storage box, an adjusting knob is installed above the fixed base, a lead screw is installed at the bottom of the adjusting knob, and the lead screw is rotatably installed in the fixed base.
[0009] Further, a flattening plate is slidably installed in the fixed base, one end of the flattening plate outside the fixed base is arc-shaped, screw holes are formed in the middle of the flattening plate, and a lead screw is installed in the screw holes.
[0010] The beneficial effects of the utility model are as follows: the utility model relates to a screening and impurity removing device, a threaded sleeve installed on a screw rod is driven to move the position of a storage box along the outer wall of the screw rod by a driving motor, so that the alumina powder stored in the storage box is slowly and uniformly sprinkled on a screen from the powder outlet formed at the bottom of the storage box, the alumina powder falling on the screen is screened by a high-speed vibration of a vibration motor, the accumulation of the alumina powder on the screen is reduced, and the probability of screen mesh blockage caused by the accumulation of the powder on the screen is reduced.
[0011] The position of the flattening plate on the fixed base is adjusted by rotating the lead screw when the adjusting knob is rotated, the distance between the flattening plate and the screen is adjusted, the thickness of the alumina powder to be flattened and screened is adjusted according to the need, the flattening plate can be synchronously moved with the storage box when the storage box moves to sprinkle the alumina powder on the screen, the alumina powder sprinkled on the screen from the storage box is flattened, the screen can more quickly screen the alumina powder, the screening efficiency of the alumina powder is improved, and the accumulation of the alumina powder on the screen is further avoided. BRIEF DESCRIPTION OF DRAWINGS
[0012] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0013] Figure 1 It is a whole structure schematic view of the utility model's screening and impurity removing device;
[0014] Figure 2 It is an internal structure schematic view of the utility model's screening and impurity removing device's tray;
[0015] Figure 3 It is a whole structure schematic view of the utility model's screening and impurity removing device's storage box;
[0016] Figure 4 It is an internal structure schematic view of the utility model's screening and impurity removing device's fixed base;
[0017] In the figure: 1, support bottom plate; 2, control button; 3, vibration motor; 4, buffer spring; 5, tray; 6, protective cover; 7, feed inlet; 8, top cover; 9, discharge port; 10, storage box; 11, screen; 12, screw; 13, threaded sleeve; 14, drive motor; 15, guide rod; 16, fixed sleeve; 17, fixed base; 18, adjusting knob; 19, screw rod; 20, flattening plate; 21, screw hole. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a screening and impurity removing device, including support bottom plate 1, a plurality of control buttons 2 are installed to the front side of support bottom plate 1, a plurality of buffer springs 4 are installed to support bottom plate 1 top, vibration motor 3 is installed to support bottom plate 1 top, a plurality of buffer springs 4 are all distributed in vibration motor 3 four quarters, tray 5 is installed to vibration motor 3 top, a plurality of buffer springs 4 are installed at tray 5 bottom away from support bottom plate 1 one end, feed inlet 7 is set up to tray 5 top, top cover 8 is installed to feed inlet 7 inside, protective cover 6 is installed to tray 5 both sides, screen 11 is installed to tray 5 inside, storage box 10 is installed to tray 5 inside, storage box 10 is located screen 11 upside, mobile mechanism is installed to storage box 10 one side, flattening piece is installed to storage box 10, discharge port 9 is set up to tray 5 both sides, two discharge ports 9 are located screen 11 upside and downside respectively, two discharge ports 9 outside are all installed with protective cover 6, through the cooperation of top cover 8 and two protective covers 6, the feed inlet 7 and two discharge ports 9 set up on tray 5 are locked, avoid in the process of screening alumina powder, the dust in the alumina powder is scattered everywhere, reduce the pollution of alumina powder in the process of screening to the air in the operating workshop.
[0020] Please refer to Figure 3 Mobile mechanism includes drive motor 14, drive motor 14 is installed to tray 5 outside, the output of drive motor 14 is installed with screw 12, screw 12 is installed to tray 5 inside, screw 12 is located screen 11 upside, screw 12 is installed with threaded sleeve 13, threaded sleeve 13 one side is installed on storage box 10, guide rod 15 is installed to tray 5 inside, guide rod 15 and screw 12 are symmetrically installed in tray 5 inside, fixed sleeve 16 is installed to guide rod 15, fixed sleeve 16 one side is installed on storage box 10, through the cooperation of guide rod 15 and fixed sleeve 16 set up, can limit the angle of storage box 10 when moving horizontally in tray 5 inside, support the end of storage box 10 away from screw 12, avoid the situation that the angle of storage box 10 is inclined due to the weight mismatch of the alumina powder stored in the two ends inside.
[0021] Please refer to Figure 3 and Figure 4 The flattening piece comprises a fixed base 17, two fixed bases 17 are symmetrically installed on both sides of the storage box 10, an adjusting knob 18 is installed above the fixed base 17, a lead screw 19 is installed at the bottom of the adjusting knob 18, the lead screw 19 is rotatably installed in the fixed base 17, a flattening plate 20 is slidably installed in the fixed base 17, one end of the flattening plate 20 outside the fixed base 17 is arc-shaped, a screw hole 21 is formed in the middle of the flattening plate 20, and the lead screw 19 is installed in the screw hole 21. Through the cooperation of the lead screw 19 and the flattening plate 20, the distance between the flattening plate 20 and the screen 11 can be adjusted according to the screening effect of different aluminum oxide powders, so that the aluminum oxide powder spilled on the screen 11 can be flattened faster, and the screen 11 hole blockage condition is reduced.
[0022] Specific implementation: the driving motor 14 drives the screw rod 12 to rotate, the threaded sleeve 13 installed on the screw rod 12 moves the storage box 10 along the outer wall of the screw rod 12, so that the aluminum oxide powder stored in the storage box 10 is slowly and evenly spilled from the powder outlet formed at the bottom of the storage box 10 on the screen 11, and the aluminum oxide powder falling on the screen 11 is screened by the high-speed vibration of the vibrating motor 3. The material disc 5 reduces the accumulation of aluminum oxide powder on the screen 11, reduces the probability of screen 11 hole blockage caused by powder accumulation on the screen 11, adjusts the position of the flattening plate 20 on the fixed base 17 by rotating the adjusting knob 18, and adjusts the distance between the flattening plate 20 and the screen 11, so as to adjust the thickness of the flattened and screened aluminum oxide powder according to the need, and when the storage box 10 moves to spill the aluminum oxide powder on the screen 11, the flattening plate 20 can move synchronously with the storage box 10, so as to flatten the aluminum oxide powder spilled from the inside of the storage box 10 on the screen 11, facilitate the screen 11 to screen the aluminum oxide powder faster, improve the screening efficiency of the aluminum oxide powder, and further avoid the accumulation of aluminum oxide powder on the screen 11.
[0023] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A screening device for removing impurities, comprising a support bottom plate (1), characterized in that: The front side of the supporting bottom plate (1) is provided with a plurality of control buttons (2), a plurality of buffer springs (4) are installed above the supporting bottom plate (1), a vibration motor (3) is installed above the supporting bottom plate (1), and the buffer springs (4) are distributed around the vibration motor (3), a material tray (5) is installed above the vibration motor (3), one end of the buffer springs (4) away from the supporting bottom plate (1) is installed at the bottom of the material tray (5), an inlet (7) is formed above the material tray (5), a top cover (8) is installed in the inlet (7), a protective cover (6) is installed on both sides of the material tray (5), a screen (11) is installed in the material tray (5), a storage box (10) is installed in the material tray (5), the storage box (10) is located above the screen (11), a moving mechanism is installed on one side of the storage box (10), a flattening piece is installed on the storage box (10), the moving mechanism comprises a driving motor (14), the driving motor (14) is installed outside the material tray (5), a screw rod (12) is installed at the output end of the driving motor (14), the screw rod (12) is installed inside the material tray (5), the screw rod (12) is located above the screen (11), a threaded sleeve (13) is installed on the screw rod (12), one side of the threaded sleeve (13) is installed on the storage box (10), the flattening piece comprises a fixed base (17), two fixed bases (17) are symmetrically installed on both sides of the storage box (10), an adjusting knob (18) is installed above the fixed base (17), a lead screw (19) is installed at the bottom of the adjusting knob (18), and the lead screw (19) is rotatably installed in the fixed base (17).
2. A screening device as claimed in claim 1, wherein: The material tray (5) is provided with a discharge port (9) on both sides, and the discharge ports (9) are located above and below the screen (11), respectively.
3. The impurity removal device of claim 1, wherein: The material tray (5) is provided with a discharge port (9) on both sides, and the discharge ports (9) are located above and below the screen (11), respectively.
4. The impurity removal device of claim 1, wherein: The material tray (5) is provided with a discharge port (9) on both sides, and the discharge ports (9) are located above and below the screen (11), respectively. The fixed base (17) is provided with a flattening plate (20) slidingly installed therein, one end of the flattening plate (20) outside the fixed base (17) is arc-shaped, a screw hole (21) is formed in the middle of the flattening plate (20), and the lead screw (19) is installed in the screw hole (21).