Grading screening device
By introducing sealing components, ultrasonic vibration screening, and storage components into the calcium carbonate powder grading device, the problems of poor screening effect and dust generation were solved, achieving efficient screening and low dust generation grading effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN SILVER FISH CALCIUM IND CO LTD
- Filing Date
- 2025-07-15
- Publication Date
- 2026-05-19
AI Technical Summary
Existing calcium carbonate powder grading devices suffer from poor screening efficiency and severe dust generation during discharge.
The discharge port is sealed with a sealing component. Combined with the design of ultrasonic vibrating screening and storage components, the material is sent into the storage box for static placement through the discharge component, and the dust is reduced by the covering component.
It improves screening efficiency, reduces dust during discharge, and enhances the convenience and practicality of the device.
Smart Images
Figure CN224253485U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grading and screening technology, specifically a grading and screening device. Background Technology
[0002] Calcium carbonate powder, also known as heavy calcium carbonate or simply heavy calcium carbonate, is made by grinding natural carbonate minerals such as calcite, marble, and limestone. It is a commonly used powdered inorganic filler, characterized by high chemical purity, high inertness, low chemical reactivity, and good thermal stability. During the processing of heavy calcium carbonate powder, the pulverized powder needs to be graded, and then further processed according to the required size.
[0003] Existing patent CN222901779U discloses a grading and processing device for heavy calcium carbonate powder, including a shell, a grading sieve slidably connected inside the shell, a feeding pipe fixedly connected to the right end of the shell, a feeding mechanism inside the feeding pipe, a support plate fixedly connected to the lower inner wall of the shell, a guide pin slidably connected inside the support plate, and a spring provided on the outer side of the guide pin. This utility model makes feeding more convenient.
[0004] However, this screening device still has certain defects. The vibration generated between the arc and the cam is not effective, and it is not easy to fully screen the calcium carbonate powder, resulting in inconsistent particle size of the material discharged from the outlet. At the same time, the vibration will generate a lot of dust when the equipment is in use, which will easily cause dust problems during the discharge.
[0005] Based on this, a grading and screening device is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content
[0006] The purpose of this invention is to provide a grading and screening device to solve the problems of dust at the discharge port and poor screening effect in the prior art.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A grading and screening device includes a support trough, three screening boxes are stacked on top of the support trough, a shock absorber is installed at the bottom of the support trough, a base plate is installed at the bottom of the shock absorber, and a discharge port is opened on one side of the screening box.
[0009] A sealing assembly is installed on one side of the discharge port. The sealing assembly includes a support frame, which is installed on one side of the discharge port. A fixing frame is installed on the top of the support frame. An electric actuator is installed inside the fixing frame. A sealing plate is installed at the output end of the electric actuator.
[0010] A discharge assembly is installed on one side of the support frame;
[0011] Three storage components are installed on three sides of the base plate.
[0012] Based on the above technical solutions, this utility model also provides the following optional technical solutions:
[0013] In one alternative: a base is mounted on the bottom of the base plate, and an ultrasonic controller is mounted on one side of the base.
[0014] In one alternative: an ultrasonic transducer is installed inside one side of the screening box and one side of the support trough, the ultrasonic transducer and the ultrasonic controller are electrically connected, and a screen is installed at the bottom of the support trough.
[0015] In one alternative: the top of the screening box is fitted with a top cover, and the top cover has a feed inlet in the middle.
[0016] In one alternative: the discharge assembly includes a discharge box, which is mounted on one side of the support frame, and a discharge hopper is installed at the bottom of the discharge box, with a rubber tube installed at the bottom of the discharge hopper.
[0017] In one alternative: the storage assembly includes a support ring mounted on three sides of a base plate, a storage box is installed inside the support ring, and a discharge port is installed at the bottom of the storage box.
[0018] In one alternative: a cover assembly is installed at the bottom of the discharge port.
[0019] In one alternative embodiment: the covering assembly includes connecting rings installed on both sides of one side of the discharge port, a micro motor is installed on one side of the left connecting ring, a rotating column is installed at the output end of the micro motor, the rotating column is rotatably connected in the middle of the two connecting rings, and a sealing cap is installed on one side of the rotating column.
[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0021] 1. This utility model seals the discharge port with a sealing component to facilitate thorough screening of materials, thereby improving the screening effect of the device. The material is then sent into the storage box for collection through the discharge component, which enhances the convenience and practicality of the device.
[0022] 2. This utility model uses the storage component and the covering component together to store and settle the screened material, so that the material floating in the air falls and settles. The material is discharged by opening the covering component, thereby reducing the problem of excessive dust during material discharge and improving the dust prevention effect of the device. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0024] Figure 2 This is a schematic diagram of the support groove of this utility model.
[0025] Figure 3 This is a schematic diagram of the sealing component and the discharge component of this utility model.
[0026] Figure 4 This is a schematic diagram of the storage component and the covering component of this utility model.
[0027] Figure reference numerals: 1. Support groove; 11. Screening box; 12. Shock absorber; 13. Base plate; 14. Base; 15. Ultrasonic controller; 16. Discharge port; 17. Ultrasonic transducer; 18. Screen; 19. Top cover; 110. Feed inlet; 2. Support frame; 21. Fixing frame; 22. Electric actuator; 23. Sealing plate; 24. Discharge box; 25. Discharge hopper; 26. Rubber tube; 3. Support ring; 31. Storage box; 32. Discharge port; 33. Connecting ring; 34. Micro motor; 35. Rotating column; 36. Sealing cover. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.
[0029] In one embodiment, such as Figures 1-4 As shown, a grading and screening device includes a support trough 1, three screening boxes 11 are stacked on the top of the support trough 1, a shock absorber 12 is installed at the bottom of the support trough 1, a base plate 13 is installed at the bottom of the shock absorber 12, and a discharge port 16 is opened on one side of the screening box 11.
[0030] A sealing assembly is installed on one side of the discharge port 16. The sealing assembly includes a support frame 2. The support frame 2 is installed on one side of the discharge port 16. A fixing frame 21 is installed on the top of the support frame 2. An electric push rod 22 is installed inside the fixing frame 21. A sealing plate 23 is installed at the output end of the electric push rod 22.
[0031] A discharge assembly is installed on one side of the support frame 2;
[0032] Three storage components are installed on three sides of the base plate 13.
[0033] In this embodiment, the operation of the electric push rod 22 inside the top fixed frame 21 of the support frame 2 pushes the sealing plate 23 to move downward, thereby sealing the inside of the support frame 2 and preventing unscreened materials from entering the discharge box 24. The material is then sent out through the discharge component and stored and allowed to stand through the storage component.
[0034] In one embodiment, such as Figure 1 and Figure 2 As shown, a base 14 is installed at the bottom of the base plate 13, and an ultrasonic controller 15 is installed on one side of the base 14 to control the operation of the ultrasonic transducer 17.
[0035] In one embodiment, such as Figure 1 and Figure 2 As shown, an ultrasonic transducer 17 is installed inside one side of the screening box 11 and one side of the support groove 1. The ultrasonic transducer 17 is electrically connected to the ultrasonic controller 15. A screen 18 is installed at the bottom of the support groove 1. The operation of the ultrasonic transducer 17 causes the screen 18 to vibrate and screen the material.
[0036] In one embodiment, such as Figure 1 and Figure 2 As shown, a top cover 19 is installed on the top of the screening box 11, and a feed inlet 110 is installed in the middle of the top cover 19. The top is covered by the top cover 19, and the material is fed in through the feed inlet 110.
[0037] In one embodiment, such as Figure 1 and Figure 3 As shown, the discharge assembly includes a discharge box 24, which is installed on one side of the support frame 2. A discharge hopper 25 is installed at the bottom of the discharge box 24, and a rubber tube 26 is installed at the bottom of the discharge hopper 25. The material is fed into the storage assembly through the rubber tube 26 via the discharge hopper 25.
[0038] In one embodiment, such as Figure 1 , Figure 2 and Figure 4 As shown, the storage assembly includes a support ring 3, which is installed on three sides of the base plate 13. A storage box 31 is installed inside the support ring 3, and a discharge port 32 is installed at the bottom of the storage box 31. The storage box 31 is supported by the support ring 3, and the screened material is placed in the storage box 31 to avoid dust problems.
[0039] In one embodiment, such as Figure 1 and Figure 4 As shown, a cover assembly is installed at the bottom of the discharge port 32 to seal the bottom of the discharge port 32.
[0040] In one embodiment, such as Figure 1 and Figure 4 As shown, the covering assembly includes connecting rings 33, which are installed on both sides of the discharge port 32. A micro motor 34 is installed on one side of the left connecting ring 33, and a rotating column 35 is installed at the output end of the micro motor 34. The rotating column 35 is rotatably connected to the middle of the two connecting rings 33. A sealing cover 36 is installed on one side of the rotating column 35. The operation of the micro motor 34 drives the rotating column 35 to rotate inside the connecting ring 33, thereby causing the sealing cover 36 to flip over, thus sealing the bottom of the discharge port 32.
[0041] The above embodiment discloses a grading and screening device, wherein the bottom of the device is supported by a base 14, and the support groove 1 is supported by a shock absorber 12 on the top of the base plate 13, thereby reducing vibration. The ultrasonic transducer 17 is controlled by an ultrasonic controller 15, causing the support groove 1 and the screening box 11 to vibrate, so as to facilitate the screening of materials through the screens 18 inside the screening box 11. The top is covered by a top cover 19, and the material is fed in through the feed inlet 110. The apertures of the three screens 18 decrease from large to small, with the largest at the top, which facilitates three-stage screening of materials and improves the practicality of the device. The operation of the electric push rod 22 in the fixed frame 21 at the top of the support frame 2 pushes the sealing plate 23 downward, thereby sealing the inside of the support frame 2 and preventing vibration. The problem of unscreened material entering the discharge box 24 inside the screening box 11 affects the screening effect. After the material is screened, the support frame 2 is opened by the retraction of the electric push rod 22, and the screened material is sent into the discharge box 24 by vibration. The material is then sent into the storage box 31 through the rubber tube 26 at the bottom of the discharge hopper 25. The connection between the rubber tube 26 and the storage box 31 facilitates the absorption of vibration and avoids the problem of vibration of the storage box 31. The screened material is stored in the storage box 31 to avoid the problem of large-scale dust generation during discharge. After the material has settled, the micro motor 34 on one side of the connecting ring 33 drives the rotating column 35 to rotate, thereby opening or closing the sealing cover 36, which improves the convenience and practicality of the device.
[0042] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A grading and screening device, comprising a support groove (1), characterized in that, Three screening boxes (11) are stacked on top of the support trough (1), a shock absorber (12) is installed at the bottom of the support trough (1), a base plate (13) is installed at the bottom of the shock absorber (12), and a discharge port (16) is opened on one side of the screening box (11). A sealing assembly is installed on one side of the discharge port (16). The sealing assembly includes a support frame (2). The support frame (2) is installed on one side of the discharge port (16). A fixing frame (21) is installed on the top of the support frame (2). An electric push rod (22) is installed inside the fixing frame (21). A sealing plate (23) is installed at the output end of the electric push rod (22). A discharge assembly is installed on one side of the support frame (2); Three storage components are installed on three sides of the base plate (13).
2. The grading and screening device according to claim 1, characterized in that, A base (14) is installed at the bottom of the base plate (13), and an ultrasonic controller (15) is installed on one side of the base (14).
3. The grading and screening device according to claim 1, characterized in that, An ultrasonic transducer (17) is installed inside one side of the screening box (11) and one side of the support groove (1). The ultrasonic transducer (17) and the ultrasonic controller (15) are electrically connected. A screen (18) is installed at the bottom inside the support groove (1).
4. A grading and screening device according to claim 1, characterized in that, The top of the screening box (11) is equipped with a top cover (19), and the top cover (19) has a feed inlet (110) in the middle.
5. A grading and screening device according to claim 1, characterized in that, The discharge assembly includes a discharge box (24), which is installed on one side of the support frame (2). A discharge hopper (25) is installed at the bottom of the discharge box (24), and a rubber tube (26) is installed at the bottom of the discharge hopper (25).
6. A grading and screening device according to claim 1, characterized in that, The storage assembly includes a support ring (3) which is installed on three sides of the base plate (13). A storage box (31) is installed inside the support ring (3), and a discharge port (32) is installed at the bottom of the storage box (31).
7. A grading and screening device according to claim 6, characterized in that, A cover assembly is installed at the bottom of the discharge port (32).
8. A grading and screening device according to claim 7, characterized in that, The covering assembly includes a connecting ring (33), which is installed on both sides of the discharge port (32). A micro motor (34) is installed on one side of the connecting ring (33) on the left side. A rotating column (35) is installed at the output end of the micro motor (34). The rotating column (35) is rotatably connected to the middle of the two connecting rings (33). A sealing cover (36) is installed on one side of the rotating column (35).