Multi-stage screening device for high-activity calcium carbonate powder
By designing a multi-stage sieving device with adjustable sieve aperture, the problem of fixed sieve aperture in existing technologies has been solved, enabling precise sieving and dust treatment of highly active calcium carbonate powder, thereby improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-24
AI Technical Summary
The existing multi-stage screening devices for high-activity calcium carbonate powder have fixed sieve plate apertures, which makes it difficult to meet diverse screening needs, resulting in low screening efficiency and unstable product quality.
A multi-stage screening device with adjustable screen aperture was designed. The position of the screen plate is adjusted by a rotating rod and a moving plate structure. Combined with a fan and dust collection box structure, the screening accuracy and dust handling efficiency are improved.
It enables precise sieving of calcium carbonate powder particle size, improves product quality and production efficiency, and reduces dust accumulation and environmental pollution.
Smart Images
Figure CN224025684U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to calcium carbonate powder processing technical field especially, relates to a high activity calcium carbonate powder multistage screening device. BACKGROUND
[0002] The calcium carbonate powder processing technical field mainly relates to natural calcium carbonate ore or chemical synthetic calcium carbonate raw materials, through crushing, grinding, grading, surface modification process, prepares the calcium carbonate powder product satisfying different application needs.
[0003] The existing high activity calcium carbonate powder multistage screening device, when actually using, the aperture of its sieve plate is mostly fixed, difficult to satisfy different screening needs, this reduces screening efficiency, and leads to product quality instability, cannot realize ideal screening effect. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem in prior art: the existing high activity calcium carbonate powder multistage screening device, the aperture of its sieve plate is mostly fixed, difficult to satisfy diverse screening needs, reduces screening efficiency and product quality stability, cannot realize ideal screening effect, therefore we propose a kind of high activity calcium carbonate powder multistage screening device.
[0005] In order to realize the above-mentioned purpose, the following technical scheme is adopted in the present application: a high activity calcium carbonate powder multistage screening device, comprising a box body, a feed inlet is installed at the top end of the box body, support legs are fixed at the four corners of the bottom end of the box body, two stirring rods are installed inside the box body, a first sieve plate is fixed inside the box body, the first sieve plate is located below the stirring rods, a second sieve plate is fixed inside the box body, a third sieve plate is slidably connected inside the box body, the third sieve plate is located below the second sieve plate, L-shaped brackets are fixed on both sides of the box body, a fixed shell is fixed at the other end of the L-shaped bracket, a trapezoidal block is arranged inside the fixed shell, a rotating rod is fixed at one side of the trapezoidal block, the surface of the rotating rod is slidably connected with the inside of the fixed shell, a circular plate is fixed at the other end of the rotating rod, a moving plate is fixed at the bottom end of the trapezoidal block, an insertion block is fixed at the bottom end of the moving plate, a plurality of insertion slots are formed at both sides of the third sieve plate, which are matched with the insertion block, a pull plate is slidably connected with the surface of the rotating rod, fixed blocks are fixed at both ends of the pull plate, a plurality of fixed holes are formed at one side of the fixed shell, which are matched with the fixed blocks, and the number of the fixed holes is four.
[0006] Preferably, a first spring is slidably connected with the surface of the rotating rod, one end of the first spring is fixed with the pull plate, and the other end of the first spring is fixed with the circular plate.
[0007] Preferably, the fixed shell is internally fixed with sliding blocks on both sides, and the moving plate is internally provided with grooves matched with the sliding blocks.
[0008] Preferably, the moving plate is internally fixed with two second springs at the bottom end, and the other ends of the second springs are fixed to the inside of the fixed shell.
[0009] Preferably, the inside of the box body is slidably connected with a collecting box, and the collecting box is located below the third sieve plate.
[0010] Preferably, the box body is internally provided with a discharging box, one end of the discharging box extends to the inside of the box body, the inside of the discharging box is internally fixed with a fixing frame, one side of the fixing frame is internally provided with a fan, one end of the discharging box is internally provided with a dust collecting box, and the other end of the discharging box is internally provided with a guide shell.
[0011] Preferably, the inside of the discharging box is internally provided with a dust cover, and the dust cover is located on one side of the fan.
[0012] The technical effects and advantages of the present application are as follows:
[0013] In the present application, the fixed block is separated from the inside of the fixed hole by pulling the pull plate, the trapezoidal block is moved by pulling the rotating rod, the moving plate is moved, the plug is separated from the inside of the slot, the third sieve plate is moved to the appropriate position, the aperture between the second sieve plate and the third sieve plate is adjusted, the rotating rod is pulled to move the trapezoidal block and the moving plate, the plug is pushed back to the inside of the slot, the calcium carbonate powder particle size is accurately screened, the screening requirements of different particle sizes are met, the product quality is improved, the screening process is optimized, and the production efficiency is further improved.
[0014] In the present application, the structure of the discharging box, the fixing frame and the fan is set, the fan can generate strong airflow, the airflow circulation in the box body is promoted, the dust and fine particles generated in the screening process are quickly taken away, the accumulation of dust in the box body is reduced, the structure of the dust collecting box is set, the dust is effectively collected and treated, and the environmental pollution is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view structural schematic diagram of the present application;
[0016] Figure 2 It is a cross-sectional view structural schematic diagram of the inside of the box body of the present application;
[0017] Figure 3 It is a rotating rod structural schematic diagram of the present application;
[0018] Figure 4 It is the inside section view structure schematic diagram of the shell of the utility model;
[0019] Figure 5 It is the inside split structure schematic diagram of the discharge box of the utility model.
[0020] Legend: 1, box; 2, feed inlet; 3, support leg; 4, stirring rod; 5, first sieve plate; 6, second sieve plate; 8, third sieve plate; 9, L-shaped frame; 10, fixed shell; 11, trapezoidal block; 12, rotating rod; 13, round plate; 14, moving plate; 15, plug; 16, insertion slot; 17, pull plate; 18, fixed block; 19, fixed hole; 20, first spring; 21, sliding block; 22, groove; 23, second spring; 24, collection box; 25, discharge box; 26, fixed frame; 27, fan; 28, dust collection box; 29, guide shell; 30, dust cover. DETAILED DESCRIPTION
[0021] The utility model will be further explained in detail in combination with the preferred embodiments and the drawings, and these drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, so it only shows the structure related to the utility model.
[0022] Reference Figure 1 - Figure 5The utility model provides a technical scheme: a high activity calcium carbonate powder multistage screening device, including the box 1, the top of box 1 is installed feed inlet 2, the four corners of box 1 bottom end are all fixed with support leg 3, the inside installation of box 1 has two stirring rod 4, the inside fixed of box 1 has first sieve plate 5, and first sieve plate 5 is below stirring rod 4, the inside fixed of box 1 has second sieve plate 6, the inside sliding connection of box 1 has third sieve plate 8, and third sieve plate 8 is below second sieve plate 6, both sides of box 1 are all fixed with L type frame 9, and the other end of L type frame 9 is fixed with fixed shell 10, and the inside of fixed shell 10 is provided with trapezoidal block 11, and one side of trapezoidal block 11 is fixed with rotating rod 12, and the surface of rotating rod 12 is slidably connected with the inside of fixed shell 10, and the other end of rotating rod 12 is fixed with round plate 13, and the bottom of trapezoidal block 11 is fixed with moving plate 14, and the bottom of moving plate 14 is fixed with plug 15, and the both sides of third sieve plate 8 are all set up with a plurality of with the cooperation of plug 15 and use the insertion slot 16, and the surface of rotating rod 12 is slidably connected with pull plate 17, and the both ends of pull plate 17 are all fixed with fixed block 18, and one side of fixed shell 10 is set up with with the cooperation of fixed block 18 and use the fixed hole 19, and the number of fixed hole 19 is four, by pulling pull plate 17 and drive fixed block 18 to separate from the inside of fixed hole 19, pull rotating rod 12 and drive trapezoidal block 11 to move, make it drive moving plate 14 to move, in this process, plug 15 will separate from the inside of insertion slot 16, to release the spacing of third sieve plate 8, operating personnel move third sieve plate 8 to the appropriate position, make the aperture between second sieve plate 6 and third sieve plate 8 be adjusted, after completing adjustment, pull rotating rod 12 and drive trapezoidal block 11, moving plate 14 moves, pushes plug 15 to return to the inside of insertion slot 16, by the above setting, can realize the accurate screening of calcium carbonate powder particle size, satisfy the screening requirement of different particle size, improve the quality of product, optimize the screening process, further improve production efficiency.
[0023] Referring to Figure 3 As shown in the embodiment, the surface of the rotating rod 12 is slidably connected with the first spring 20, one end of the first spring 20 is fixed with the pull plate 17, the other end of the first spring 20 is fixed with the round plate 13, by setting the structure of the first spring 20, pulling the pull plate 17 outward at the same time, using the resilience of the first spring 20, drive the fixed block 18 to smoothly leave the inside of the fixed hole 19, convenient for the next use of the operator.
[0024] Referring to Figure 4 As shown in the embodiment, the both sides of the inside of the fixed shell 10 are fixed with the sliding block 21, the both sides of the moving plate 14 are set up with the recess 22 used in cooperation with the sliding block 21, by setting the structure of the sliding block 21 and the recess 22, effectively restrict the moving track of the moving plate 14, prevent from shaking.
[0025] Referring to Figure 4As shown, in the embodiment: the bottom end of the moving plate 14 is fixed with two second springs 23, the other end of the second spring 23 is fixed with the inside of the fixed shell 10, the second spring 23 is located on both sides of the plug block 15, through the structure of the second spring 23, when fixing the fixed shell 10 and the third sieve plate 8, pull the rotating rod 12 to drive the trapezoidal block 11 to move, and cooperate with the stretching force of the second spring 23, pull the moving plate 14 to drive the plug block 15 back to the inside of the plug slot 16, the operation is very simple.
[0026] Referring to Figure 2 As shown, in the embodiment: the inside of the box body 1 is slidably connected with a collection box 24, the collection box 24 is located below the third sieve plate 8, through the structure of the collection box 24, it is convenient for the operator to collect the screened calcium carbonate powder, and the collection efficiency of the powder is improved.
[0027] Referring to Figure 1 And Figure 5 As shown, in the embodiment: the side of the box body 1 is installed with a discharge box 25, one end of the discharge box 25 extends to the inside of the box body 1, the inside of the discharge box 25 is fixed with a fixed frame 26, one side of the fixed frame 26 is installed with a fan 27, one end of the discharge box 25 is installed with a dust collection box 28, the other end of the discharge box 25 is fixed with a guide shell 29, through the structure of the discharge box 25, the fixed frame 26 and the fan 27, the fan 27 can produce strong airflow, promote the airflow circulation inside the box body 1, help to quickly take away the dust and fine particles generated in the screening process, reduce the accumulation of dust inside the box body 1, at the same time, the structure of the dust collection box 28 realizes the effective collection and treatment of dust, reduces environmental pollution.
[0028] Referring to Figure 5 As shown, in the embodiment: the inside of the discharge box 25 is installed with a dust cover 30, the dust cover 30 is located on one side of the fan 27, through the structure of the dust cover 30, the damage of dust to the fan 27 is reduced, the dust cover 30 can prolong the service life of the fan 27, reduce the maintenance and replacement cost.
[0029] Working principle: the user pulls the pull plate 17 outward to drive the fixed block 18 to be separated from the inside of the fixed hole 19, pulls the rotating rod 12 to drive the trapezoidal block 11 to move, so that it drives the moving plate 14 to move, in the process, the plug 15 will be separated from the inside of the slot 16, thereby releasing the limiting of the third sieve plate 8, the operator moves the third sieve plate 8 to the appropriate position, so that the pore size between the second sieve plate 6 and the third sieve plate 8 is adjusted, after the adjustment, the rotating rod 12 drives the trapezoidal block 11 and the moving plate 14 to move, and the plug 15 is pushed back to the inside of the slot 16, through the above setting, the accurate screening of the high-activity calcium carbonate powder particle size can be realized, the screening requirements of different particle sizes are met, the quality and consistency of the product are improved, the screening process is optimized, the production efficiency is further improved, through the structure of the first spring 20, the fixed block 18 is driven to smoothly leave the inside of the fixed hole 19 by the resilience of the first spring 20 when the pull plate 17 is pulled outward, facilitating the next use of the operator, through the structure of the sliding block 21 and the groove 22, the movement track of the moving plate 14 is effectively constrained, preventing shaking, through the structure of the second spring 23, when fixing between the fixed shell 10 and the third sieve plate 8, the rotating rod 12 drives the trapezoidal block 11 to move, and cooperates with the stretching force of the second spring 23 to pull the moving plate 14 to drive the plug 15 back to the inside of the slot 16, the operation is very simple, through the structure of the collection box 24, the operator can conveniently collect the screened calcium carbonate powder, and the powder collection efficiency is improved, through the structure of the discharge box 25, the fixed frame 26 and the fan 27, the fan 27 can generate strong airflow to promote the airflow circulation in the box body 1, which helps to quickly take away the dust and fine particles generated in the screening process, reduces the accumulation of dust in the box body 1, and the structure of the dust collection box 28 realizes effective collection and treatment of dust, reduces environmental pollution, through the structure of the dust cover 30, the damage of dust to the fan 27 is reduced, and the service life of the fan 27 is prolonged, and the maintenance and replacement cost is reduced.
[0030] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A high-activity calcium carbonate powder multi-stage screening device comprising a box body (1), characterized in that: The top of the box (1) is equipped with a feed inlet (2), and the four corners of the bottom of the box (1) are all fixed with support legs (3). Two stirring rods (4) are installed inside the box (1). A first sieve plate (5) is fixed inside the box (1) and is located below the stirring rods (4). A second sieve plate (6) is fixed inside the box (1). A third sieve plate (8) is slidably connected inside the box (1) and is located below the second sieve plate (6). L-shaped frames (9) are fixed on both sides of the box (1). A fixed shell (10) is fixed at the other end of the L-shaped frame (9). A trapezoidal block (11) is set inside the fixed shell (10). A rotating rod (12) is fixed on one side of the (11) and the surface of the rotating rod (12) is slidably connected to the inside of the fixed shell (10). A circular plate (13) is fixed at the other end of the rotating rod (12). A movable plate (14) is fixed at the bottom end of the trapezoidal block (11) and an insert (15) is fixed at the bottom end of the movable plate (14). Multiple slots (16) that cooperate with the insert (15) are provided on both sides of the third sieve plate (8). A pull plate (17) is slidably connected to the surface of the rotating rod (12). Fixed blocks (18) are fixed at both ends of the pull plate (17). A fixing hole (19) that cooperates with the fixing block (18) is provided on one side of the fixed shell (10). The number of fixing holes (19) is four.
2. The high-activity calcium carbonate powder multi-stage screening device according to claim 1, characterized in that: The rotating rod (12) is slidably connected to a first spring (20), one end of the first spring (20) is fixed to the pull plate (17), and the other end of the first spring (20) is fixed to the circular plate (13).
3. The high-activity calcium carbonate powder multi-stage screening device according to claim 1, characterized in that: The fixed shell (10) has sliders (21) fixed on both sides inside, and the movable plate (14) has grooves (22) on both sides that cooperate with the sliders (21).
4. The multi-stage sieving device for highly active calcium carbonate powder according to claim 1, characterized in that: Two second springs (23) are fixed at the bottom of the movable plate (14). The other end of the second spring (23) is fixed to the inside of the fixed shell (10). The second spring (23) is located on both sides of the insert block (15).
5. The multi-stage sieving device for highly active calcium carbonate powder according to claim 1, characterized in that: The inside of the box (1) is slidably connected to a collection box (24), which is located below the third sieve plate (8).
6. The multi-stage sieving device for highly active calcium carbonate powder according to claim 1, characterized in that: A discharge box (25) is installed on one side of the box (1). One end of the discharge box (25) extends into the interior of the box (1). A fixing frame (26) is fixed inside the discharge box (25). A fan (27) is installed on one side of the fixing frame (26). A dust collection box (28) is installed at one end of the discharge box (25). A guide shell (29) is fixed at the other end of the discharge box (25).
7. The multi-stage sieving device for highly active calcium carbonate powder according to claim 6, characterized in that: The discharge box (25) is equipped with a dust cover (30) inside, which is located on one side of the fan (27).