Screening device for calcium carbonate powder production

Abstract

The utility model discloses a screening device for calcium carbonate powder production, and relates to the technical field of screening devices. The device comprises supporting legs, and a screening mechanism and a dust collection mechanism which are arranged on the supporting legs. When the first rotating shaft rotates, a cam on the first rotating shaft can be driven to be matched with a semicircular block at the bottom of a fine material screen, so that the fine material screen can synchronously drive a coarse material screen on the fine material screen to move upwards by being matched with a plurality of sliding rods, and in the upward moving process of the sliding rods, springs on the outer walls of the sliding rods can be compressed; when a cam rotates to the lowest point, a coarse material screen and a fine material screen can rapidly move downwards under the cooperation of a spring and a plurality of sliding rods, and through the mutual cooperation of the cam, the sliding rods and limiting blocks, the coarse material screen and the fine material screen can vibrate up and down in a reciprocating mode, so that materials falling on the coarse material screen are vibrated, and the materials fall into the fine material screen. The small materials can flow into the fine material screen through the filter screen of the coarse material screen, and the large materials can continue to be left on the coarse material screen.

Description

Technical Field

[0001] This utility model belongs to the technical field of screening devices, and in particular relates to a screening device for the production of calcium carbonate powder. Background Technology

[0002] The screening device for calcium carbonate powder production is an important piece of equipment specifically designed for the calcium carbonate powder production process. Its main function is to accurately screen the produced calcium carbonate powder by particle size. Through a specific structure and working principle, it effectively separates calcium carbonate powder particles of different sizes to meet different production needs and quality standards, thereby ensuring that the produced calcium carbonate powder meets the specified requirements in terms of particle size distribution and guaranteeing the quality and performance of subsequent products.

[0003] The existing equipment has revealed a problem in the actual operation of screening calcium powder: it cannot accurately screen the calcium powder by size. This situation will inevitably lead to a significant reduction in the quality of the calcium powder, making it unable to meet the expected standards and requirements. At the same time, the lack of this screening function will also seriously affect work efficiency, hinder the progress of the entire production process, and prevent the completion of the established production tasks on time, thus bringing many potential losses and adverse effects to the enterprise. Utility Model Content

[0004] The purpose of this invention is to provide a screening device for calcium carbonate powder production, which solves a problem that has been exposed: the inability to accurately screen calcium carbonate powder by size. This situation inevitably leads to a significant reduction in the quality of calcium carbonate powder, making it unable to meet the expected standards and requirements. At the same time, the lack of this screening function will also seriously affect work efficiency, hindering the progress of the entire production process and making it impossible to complete the established production tasks on time, thus bringing many potential losses and adverse effects to the enterprise.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a screening device for calcium carbonate powder production, including support legs and a screening mechanism and a dust collection mechanism disposed on the support legs;

[0007] The screening mechanism includes a rectangular frame fixedly connected to the top of the support leg. Several sliding rods are slidably connected to the rectangular frame. Coarse and fine material screens are fixedly fitted on the upper outer walls of the sliding rods. Limit blocks are fixedly connected to the bottom ends of the sliding rods. Springs are wound around the lower outer walls of the sliding rods. One end of each spring is fixedly connected to the rectangular frame, and the other end of each spring is fixedly connected to the limit blocks. A rotating shaft is rotatably connected to the rectangular frame. The left end of the rotating shaft extends outside the rectangular frame and is rotatably connected to it. A cam is fixedly fitted on the outer wall of the rotating shaft. A semi-circular block is fixedly connected to the bottom of the fine material screen, and the semi-circular block is adapted to the cam.

[0008] Furthermore, the dust collection mechanism includes a drive assembly and a dust collection assembly. The drive assembly includes a material box fixedly connected to the top of the rectangular frame. A motor is fixedly connected to the right side of the material box. A rotating shaft is fixedly connected to the output shaft of the motor. The rotating shaft passes through the material box and is rotatably connected to the material box. A stirring blade is fixedly sleeved on the outer wall of the rotating shaft.

[0009] Furthermore, pulleys are fixedly fitted on the outer walls of both the second and first rotating shafts, and belts are wound around the outer walls of the two pulleys.

[0010] Furthermore, the vacuuming assembly includes a base fixedly connected to the support leg, a vacuuming box is provided on the base, a collection box is threadedly connected to the vacuuming box, and the vacuuming box and the collection box communicate with each other.

[0011] Furthermore, a support rod is fixedly connected inside the dust collection box, a second motor is fixedly connected inside the support rod, and a third rotating shaft is fixedly connected to the output shaft of the second motor.

[0012] Furthermore, a fan blade is fixedly fitted on the outer wall of the rotating shaft three, and an exhaust filter is fixedly connected inside the dust collection box, and a dust collection filter is fixedly connected inside the dust collection box.

[0013] Furthermore, two U-shaped rods are fixedly connected to the top of the rectangular frame, and a dust collection hood is fixedly connected to the side of the two U-shaped rods that are close to each other. A dust collection pipe is fixedly connected to the dust collection end of the collection box, and the dust collection end of the dust collection pipe is fixedly connected to the dust collection hood.

[0014] This utility model has the following beneficial effects:

[0015] (1) By setting up a screening mechanism, the rotating shaft 2 will rotate synchronously with the rotating shaft 1 through the cooperation of two pulleys and the base. At the same time, when the rotating shaft 1 rotates, it will drive the cam on it to cooperate with the semi-circular block at the bottom of the fine material screen, so that the fine material screen can move upward synchronously with the coarse material screen through the cooperation of multiple sliding rods. In the process of the multiple sliding rods moving upward, the spring on its outer wall will be compressed. When the cam rotates to the lowest point, the coarse material screen and the fine material screen will move downward rapidly under the cooperation of the spring and multiple sliding rods. Through the cooperation of the cam, sliding rod and limiting block, the coarse material screen and the fine material screen can realize up and down reciprocating vibration. At the same time, the material falling on the coarse material screen will flow into the fine material screen through the filter screen of the coarse material screen through the vibration, while the larger material will continue to remain on the coarse material screen, thereby realizing the screening of material size and improving its quality and working efficiency.

[0016] (2) By setting up a dust collection mechanism, this utility model can generate a lot of dust during the screening of materials. At this time, the second motor can be started, which will drive the third rotating shaft and the fan blade to rotate synchronously. At the same time, when the fan blade rotates, it can exhaust air to the outside of the dust collection box, so that negative pressure is generated in the dust collection box. Through the collection box and the dust collection pipe, the dust collection hood generates suction, so that the generated dust can be sucked into the collection box for collection and treatment. This setting helps to avoid dust overflow during the screening process, reduce environmental pollution, protect the health of operators, create a cleaner and safer working environment, and also helps to maintain the normal operation of the equipment and extend its service life.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the screening mechanism of this utility model;

[0021] Figure 3 This is a schematic diagram of the dust collection mechanism of this utility model;

[0022] Figure 4This utility model Figure 2 A magnified view of part A in the diagram;

[0023] Figure 5 This utility model Figure 3 A magnified view of part B in the diagram.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Support leg; 2. Screening mechanism; 3. Dust collection mechanism; 21. Rectangular frame; 22. Slide rod; 23. Coarse material screen; 24. Fine material screen; 25. Limiting block; 26. Spring; 27. Rotating shaft one; 28. Cam; 29. ​​Semicircular block; 31. Material box; 32. Motor one; 33. Rotating shaft two; 34. Stirring blade; 35. Pulley; 36. Belt; 37. Base; 38. Dust collection box; 39. Collection box; 391. Support rod; 392. Motor two; 393. Rotating shaft three; 394. Fan blade; 395. Exhaust filter; 396. Dust collection filter; 397. U-shaped rod; 398. Dust collection hood; 399. Dust collection pipe. Detailed Implementation

[0026] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-5 As shown, this utility model is a screening device for calcium carbonate powder production, including a support leg 1 and a screening mechanism 2 and a dust collection mechanism 3 disposed on the support leg 1.

[0028] The screening mechanism 2 includes a rectangular frame 21 fixedly connected to the top of the support leg 1. Several slide rods 22 are slidably connected to the rectangular frame 21. Coarse material screen 23 and fine material screen 24 are fixedly sleeved on the upper outer wall of the slide rods 22. Limiting blocks 25 are fixedly connected to the bottom of the slide rods 22. Springs 26 are wound on the lower outer wall of the slide rods 22. One end of the springs 26 is fixedly connected to the rectangular frame 21, and the other end of the springs 26 is fixedly connected to the limiting blocks 25. A rotating shaft 27 is rotatably connected to the rectangular frame 21. The left end of the rotating shaft 27 extends to the outside of the rectangular frame 21 and is rotatably connected to the rectangular frame 21. A cam 28 is fixedly sleeved on the outer wall of the rotating shaft 27. A semi-circular block 29 is fixedly connected to the bottom of the fine material screen 24. The semi-circular block 29 is adapted to the cam 28.

[0029] The dust collection mechanism 3 includes a drive assembly and a dust collection assembly. The drive assembly includes a material box 31 fixedly connected to the top of the rectangular frame 21. A motor 32 is fixedly connected to the right side of the material box 31. A rotating shaft 33 is fixedly connected to the output shaft of the motor 32. The rotating shaft 33 passes through the material box 31 and is rotatably connected to the material box 31. A stirring blade 34 is fixedly sleeved on the outer wall of the rotating shaft 33.

[0030] By starting motor 32, motor 32 will drive rotating shaft 33 and stirring blade 34 to rotate synchronously. At the same time, when stirring blade 34 rotates, it will agitate the calcium powder in the material box 31, so that the calcium powder can flow evenly onto the screen, effectively preventing the calcium powder from clogging the feed port and thus avoiding affecting work efficiency.

[0031] Both shaft 23 and shaft 127 are fixedly fitted with pulleys 35, and belts 36 are wound around the outer walls of the two pulleys 35.

[0032] By starting motor 32, motor 32 will drive shaft 2 33. During the rotation of shaft 2 33, the two pulleys 35 and the base 37 will cooperate to make shaft 1 27 rotate synchronously with shaft 2 33.

[0033] The vacuuming assembly includes a base 37 fixedly connected to the support leg 1, a vacuum box 38 is provided on the base 37, and a collection box 39 is threadedly connected to the vacuum box 38, with the vacuum box 38 communicating with the collection box 39.

[0034] The dust collection box 39, which is threadedly connected to the dust collection box 38, can be easily disassembled to empty the dust collected inside.

[0035] A support rod 391 is fixedly connected inside the dust collection box 38. A second motor 392 is fixedly connected inside the support rod 391. A third rotating shaft 393 is fixedly connected to the output shaft of the second motor 392.

[0036] By starting motor 392, motor 392 will drive shaft 393 and fan blade 394 to rotate synchronously. At the same time, when fan blade 394 rotates, it can exhaust air to the outside of dust collection box 38, so that negative pressure is generated inside dust collection box 38.

[0037] A fan blade 394 is fixedly fitted on the outer wall of the rotating shaft 393. An exhaust filter 395 is fixedly connected inside the dust collection box 38, and a dust collection filter 396 is fixedly connected inside the dust collection box 38.

[0038] By blocking the dust in the dust filter 396, the dust drawn into the collection box 39 can interfere with the operation of the fan blades 394.

[0039] Two U-shaped rods 397 are fixedly connected to the top of the rectangular frame 21. A dust hood 398 is fixedly connected to the side of the two U-shaped rods 397 that are close to each other. A dust suction pipe 399 is fixedly connected to the dust suction end of the collection box 39. The dust suction end of the dust suction pipe 399 is fixedly connected to the dust suction hood 398.

[0040] The dust collection box 39 and the suction pipe 399 generate suction force in the dust collection hood 398, so that the generated dust can be sucked into the collection box 39 for collection and treatment.

[0041] A specific application of this embodiment is as follows: In use, calcium powder is first placed into the hopper 31. Then, motor 32 is started. Motor 32 drives shaft 33 and stirring blade 34 to rotate synchronously. Simultaneously, the stirring blade 34 agitates the calcium powder in the hopper 31, ensuring it flows evenly onto the screen, effectively preventing excessive calcium powder from clogging the discharge port and thus avoiding impact on work efficiency. Furthermore, during rotation, shaft 33, through the cooperation of two pulleys 35 and the base 37, ensures the shaft... Shaft 27 rotates synchronously with shaft 33. Simultaneously, as shaft 27 rotates, it drives cam 28 to engage with the semi-circular block 29 at the bottom of the fine material screen 24. This allows the fine material screen 24 to move upwards synchronously with the coarse material screen 23 via multiple sliding rods 22. During the upward movement of the sliding rods 22, the spring 26 on their outer wall is compressed. When cam 28 reaches its lowest point, the coarse material screen 23 and the fine material screen 24 rapidly move downwards under the coordination of the spring 26 and the multiple sliding rods 22. 8. The cooperation between the slide bar 22 and the limiting block 25 enables the coarse material screen 23 and the fine material screen 24 to vibrate up and down. This allows smaller materials falling onto the coarse material screen 23 to pass through the filter screen and flow into the fine material screen 24, while larger materials remain on the coarse material screen 23. This achieves material size separation, thereby improving quality and work efficiency. Furthermore, during the material screening process, a lot of dust is generated. At this time, starting the motor 392 will drive the rotating shaft. The three blades 393 and 394 rotate synchronously. At the same time, when the fan blades 394 rotate, they can exhaust air to the outside of the dust collection box 38, creating negative pressure inside the dust collection box 38. Through the collection box 39 and the dust collection pipe 399, the dust collection hood 398 generates suction, so that the generated dust can be sucked into the collection box 39 for collection and treatment. This setting helps to avoid dust spillage during the screening process, reduce environmental pollution, protect the health of operators, create a cleaner and safer working environment, and also helps to maintain the normal operation of the equipment and extend its service life.

[0042] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0043] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A screening device for calcium carbonate powder production, comprising a support leg (1) and a screening mechanism (2) and a dust collection mechanism (3) disposed on the support leg (1); The screening mechanism (2) includes a rectangular frame (21) fixedly connected to the top of the support leg (1). A plurality of slide rods (22) are slidably connected to the rectangular frame (21). A coarse material screen (23) and a fine material screen (24) are fixedly sleeved on the upper outer wall of the plurality of slide rods (22). A limit block (25) is fixedly connected to the bottom end of each of the plurality of slide rods (22). A spring (26) is wound around the lower outer wall of each of the plurality of slide rods (22). One end of each of the plurality of springs (26) is connected to the rectangular frame (21). The rectangular frame (21) is fixedly connected, and the other end of several springs (26) is fixedly connected to the limiting block (25). A rotating shaft (27) is rotatably connected to the rectangular frame (21). The left end of the rotating shaft (27) extends to the outside of the rectangular frame (21) and is rotatably connected to the rectangular frame (21). A cam (28) is fixedly sleeved on the outer wall of the rotating shaft (27). A semi-circular block (29) is fixedly connected to the bottom of the fine material screen (24). The semi-circular block (29) is adapted to the cam (28).

2. The screening device for calcium carbonate powder production according to claim 1, characterized in that, The dust collection mechanism (3) includes a drive assembly and a dust collection assembly. The drive assembly includes a material box (31) fixedly connected to the top of the rectangular frame (21). A motor (32) is fixedly connected to the right side of the material box (31). A rotating shaft (33) is fixedly connected to the output shaft of the motor (32). The rotating shaft (33) passes through the material box (31) and is rotatably connected to the material box (31). A stirring blade (34) is fixedly sleeved on the outer wall of the rotating shaft (33).

3. A screening device for calcium carbonate powder production according to claim 2, characterized in that, Both the second shaft (33) and the first shaft (27) are fixedly fitted with pulleys (35), and belts (36) are wound around the outer walls of the two pulleys (35).

4. A screening device for calcium carbonate powder production according to claim 3, characterized in that, The vacuuming assembly includes a base (37) fixedly connected to the support leg (1), a vacuum box (38) is provided on the base (37), a collection box (39) is threadedly connected to the vacuum box (38), and the vacuum box (38) and the collection box (39) are in communication.

5. A screening device for calcium carbonate powder production according to claim 4, characterized in that, The dust collection box (38) is fixedly connected to a support rod (391), and a second motor (392) is fixedly connected to the inside of the support rod (391). A third rotating shaft (393) is fixedly connected to the output shaft of the second motor (392).

6. A screening device for calcium carbonate powder production according to claim 5, characterized in that, Fan blades (394) are fixedly fitted on the outer wall of the rotating shaft (393), an exhaust filter (395) is fixedly connected inside the dust collection box (38), and a dust collection filter (396) is fixedly connected inside the dust collection box (38).

7. A screening device for calcium carbonate powder production according to claim 6, characterized in that, Two U-shaped rods (397) are fixedly connected to the top of the rectangular frame (21). A dust hood (398) is fixedly connected to the side of the two U-shaped rods (397) that are close to each other. A dust suction pipe (399) is fixedly connected to the dust suction end of the collection box (39). The dust suction end of the dust suction pipe (399) is fixedly connected to the dust suction hood (398).

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