Heavy calcium carbonate powder screening device

The air heating air and the motor mixing rod are combined with vibration screening through the air pump, which solves the problem of low drying efficiency of the heavy calcium carbonate powder screening device, and achieves efficient screening and drying.

CN223171302UActive Publication Date: 2025-08-01NANZHAO COUNTY QINGSHAN BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202422295609.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-08-01
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing heavy calcium carbonate powder screening device has insufficient drying efficiency before screening, resulting in a slow drying speed of powder.

Method used

The air pump is used to pump the external air into the filter and filter it through the filter, and then heat it by the electric heating wire. The hot gas is input into the cylinder and the stirring rod is stirred by the driving motor. The vibration motor drives the filter frame vibration and the material pushing mechanism to push the material to prevent accumulation.

Benefits of technology

It improves the powder drying efficiency, prevents moisture from affecting the screening effect, and improves the screening efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223171302U_ABST
    Figure CN223171302U_ABST
Patent Text Reader

Abstract

The ground calcium carbonate powder screening device comprises a box body, the bottom of the box body is fixedly connected with a supporting rod, the left end of the box body is fixedly connected with a fixing box, the interior of the box body is fixedly connected with a barrel body, the lower end of the barrel body is fixedly connected with a discharging port, an electromagnetic valve is arranged on the discharging port, and the bottom of the box body is fixedly connected with the fixing box. The top of the box body is fixedly connected with a support, and the top of the support is fixedly connected with a driving motor. Through the effect of designing the air pump, the air pump can suck external air into the fixed box, then dust and impurities can be filtered out under the effect of the filter screen, the air can be heated under the effect of the electric heating wire, and the heated air can be input into the cylinder through the air outlet, so that the air can be conveniently heated. And a driving motor is matched to drive a rotating shaft and a stirring rod to rotate so as to stir the materials, hot air can dry the materials so as to prevent the materials from being moist to affect the screening effect, and the drying efficiency is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a screening device for heavy calcium carbonate powder materials. Background Art

[0002] Heavy calcium carbonate powder materials usually need to be screened to remove impurities and ensure the uniformity and quality of the powder materials. Different specifications of sieve meshes can be used in the screening process. Usually, appropriate sieve mesh apertures and vibration frequencies are selected to separate the powder materials according to particle sizes.

[0003] The utility model patent with the patent authorization announcement number CN219943545U discloses a calcium carbonate powder screening device, including a box body. An inlet is arranged at the top end of the box body. Fixed plates are arranged on the opposite inner side walls of the box body. A sieve mesh fixing frame is arranged at the upper end of the fixed plate. Vibration motors are also arranged on the opposite outer side walls of the sieve mesh fixing frame. This utility model uses a drying lamp to dry the powder first and then conducts screening treatment, improving the screening efficiency. Through the described screening assembly, the calcium carbonate powder can be screened multiple times through sieve grids with different diameters.

[0004] In the above-mentioned prior art, when the screening device is in use, although the powder can be dried by the drying lamp, the heat transfer efficiency of the drying lamp is relatively low, resulting in a slow drying speed of the powder and insufficient drying efficiency. Therefore, improvement is needed. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a screening device for heavy calcium carbonate powder materials, which solves the problem of insufficient drying efficiency during the drying before screening the powder.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A screening device for heavy calcium carbonate powder materials, including a box body. A support rod is fixedly connected to the bottom of the box body. A fixed box is fixedly connected to the left end of the box body. A cylinder is fixedly connected to the inside of the box body. A blanking port is fixedly connected to the lower end of the cylinder. An electromagnetic valve is arranged on the blanking port. A support is fixedly connected to the top of the box body. A driving motor is fixedly connected to the top of the support. The output end of the driving motor is rotationally connected to the support. A rotating shaft is fixedly connected to the lower end of the output end of the driving motor. The rotating shaft is rotationally connected to the cylinder. A plurality of stirring rods are fixedly connected to the outer side of the rotating shaft. A filter frame is slidably connected to the inside of the box body. A vibration motor is arranged on the filter frame. A spring is fixedly connected to the bottom of the filter frame. The bottom of the spring is fixedly connected to a support frame. The support frame is fixedly connected to the box body. A material receiving groove is in contact with the bottom of the inner wall of the box body. A material pushing mechanism is arranged on the box body. A drying mechanism is arranged on the cylinder.

[0007] Preferably, a sealing ring is fixedly connected inside the cylinder body, and the sealing ring is rotatably connected to the rotating shaft. By designing the sealing ring, the connection between the rotating shaft and the cylinder body can be sealed.

[0008] Preferably, the feeding mechanism includes a first bevel gear. The bottom of the rotating shaft is fixedly connected with a first bevel gear. A second bevel gear is meshed outside the first bevel gear. A positive and negative screw rod is fixedly sleeved inside the second bevel gear. A fixed seat is rotatably sleeved outside the positive and negative screw rod. The fixed seat is rotatably connected to the rotating shaft. Two symmetrically distributed connecting seats are threadedly connected outside the positive and negative screw rod. A pushing block is fixedly connected to the bottom of the connecting seat. By designing the feeding mechanism, the material can be pushed to prevent accumulation.

[0009] Preferably, a guide rod is slidably sleeved inside the connecting seat, and the guide rod is fixedly connected to the fixed seat. By designing the guide rod, the movement of the connecting seat can be guided.

[0010] Preferably, the drying mechanism includes an air inlet. The air inlet is fixedly connected inside the upper end of the fixed box. A filter screen is slidably connected inside the fixed box. An electric heating wire is arranged inside the fixed box. An air pump is fixedly connected to the inner side wall of the fixed box. The right end of the air pump is fixedly connected with an exhaust pipe. The exhaust pipe is fixedly connected to the fixed box and the cylinder body respectively. The exhaust pipe is fixedly connected to the cylinder body. The right end of the exhaust pipe is fixedly connected with an air outlet. By designing the drying mechanism, the powder can be dried.

[0011] Preferably, a support block contacts the bottom of the filter screen, and the support block is fixedly connected to the fixed box. By designing the support block, the filter screen can be supported.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By designing the function of the air pump, the air pump can suck external air into the fixed box. Then, under the action of the filter screen, dust and impurities can be filtered. Under the action of the electric heating wire, the air can be heated. After heating, the gas will be input into the cylinder body through the air outlet. Cooperating with the driving motor to drive the rotation of the rotating shaft and the stirring rod, the material can be stirred. The hot gas can dry the material to prevent the material from being damp and affecting the screening effect, and the drying efficiency is higher.

[0014] 2. By designing the vibration motor and the vibration of the filter frame, the screening work of heavy calcium carbonate powder can be realized. During the screening process, when the rotating shaft rotates forward and backward continuously, the reciprocating movement of the pushing block in the horizontal direction can be realized. The pushing block can push and level the material inside the filter frame, which can avoid the accumulation of the material affecting the screening work and achieve the effect of improving the screening efficiency of the material. Description of the Drawings

[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 for the present utility model Figure 1 is a three-dimensional sectional view of the partial structure;

[0017] Figure 3 for the present utility model Figure 2 is an enlarged view of part A;

[0018] Figure 4 for the present utility model Figure 1 is a front sectional view of the fixed box.

[0019] In the figure: 1, box body; 2, support rod; 3, fixed box; 4, cylinder; 5, blanking port; 6, bracket; 7, drive motor; 8, pushing mechanism; 9, drying mechanism; 10, rotating shaft; 11, stirring rod; 12, sealing ring; 13, filter frame; 14, support frame; 15, spring; 16, vibration motor; 17, material receiving groove; 81, first bevel gear; 82, second bevel gear; 83, positive and negative screw rod; 84, fixed seat; 85, connecting seat; 86, pushing block; 87, guide rod; 91, air inlet; 92, filter screen; 93, support block; 94, heating wire; 95, air pump; 96, exhaust pipe; 97, air outlet. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1 、 Figure 2, a screening device for heavy calcium carbonate powder, comprising a box body 1. A support rod 2 is fixedly connected to the bottom of the box body 1. A fixed box 3 is fixedly connected to the left end of the box body 1. A cylinder body 4 is fixedly connected inside the box body 1. A material discharge port 5 is fixedly connected to the lower end of the cylinder body 4. An electromagnetic valve is arranged on the material discharge port 5. A support 6 is fixedly connected to the top of the box body 1. A driving motor 7 is fixedly connected to the top of the support 6. The output end of the driving motor 7 is rotatably connected to the support 6. A rotating shaft 10 is fixedly connected to the lower end of the output end of the driving motor 7. The rotating shaft 10 is rotatably connected to the cylinder body 4. A plurality of stirring rods 11 are fixedly connected to the outer side of the rotating shaft 10. A sealing ring 12 is fixedly connected inside the cylinder body 4. The sealing ring 12 is rotatably connected to the rotating shaft 10. By designing the sealing ring 12, the connection between the rotating shaft 10 and the cylinder body 4 can be sealed. A filter frame 13 is slidably connected inside the box body 1. A vibration motor 16 is arranged on the filter frame 13. A spring 15 is fixedly connected to the bottom of the filter frame 13. The bottom of the spring 15 is fixedly connected to a support frame 14. The support frame 14 is fixedly connected to the box body 1. A material receiving groove 17 is in contact with the bottom inner wall of the box body 1. A material pushing mechanism 8 is arranged on the box body 1. A drying mechanism 9 is arranged on the cylinder body 4.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , the material pushing mechanism 8 includes a first bevel gear 81. The bottom of the rotating shaft 10 is fixedly connected to the first bevel gear 81. A second bevel gear 82 is meshed with the outer side of the first bevel gear 81. A positive and negative screw rod 83 is fixedly sleeved inside the second bevel gear 82. A fixed seat 84 is rotatably sleeved on the outer side of the positive and negative screw rod 83. The fixed seat 84 is rotatably connected to the rotating shaft 10. Two symmetrically distributed connecting seats 85 are threadedly connected to the outer side of the positive and negative screw rod 83. A pushing block 86 is fixedly connected to the bottom of the connecting seat 85. A guide rod 87 is slidably sleeved inside the connecting seat 85. The guide rod 87 is fixedly connected to the fixed seat 84. By designing the guide rod 87, the movement of the connecting seat 85 can be guided. By designing the material pushing mechanism 8, the material can be pushed to prevent accumulation.

[0023] Please refer to Figure 1 , Figure 2 , Figure 4 , the drying mechanism 9 includes an air inlet 91. The air inlet 91 is fixedly connected to the upper inner part of the fixed box 3. A filter screen 92 is slidably connected inside the fixed box 3. The bottom of the filter screen 92 is in contact with a support block 93. The support block 93 is fixedly connected to the fixed box 3. By designing the support block 93, the filter screen 92 can be supported. An electric heating wire 94 is arranged inside the fixed box 3. An air pump 95 is fixedly connected to the inner side wall of the fixed box 3. An exhaust pipe 96 is fixedly connected to the right end of the air pump 95. The exhaust pipe 96 is fixedly connected to both the fixed box 3 and the box body 1. The exhaust pipe 96 is fixedly connected to the cylinder body 4. An air outlet 97 is fixedly connected to the right end of the exhaust pipe 96. By designing the drying mechanism 9, the powder can be dried.

[0024] The specific implementation process of the present utility model is as follows: During use, the material is first added into the interior of the cylinder body 4. Subsequently, the air pump 95 sucks the interior of the fixed box 3, causing a negative pressure state to form inside the fixed box 3. As a result, it will suck the outside through the air inlet 91, enabling the outside air to be inhaled into the fixed box 3. Subsequently, the air can be filtered under the action of the filter screen 92. After filtration, the air will be heated under the action of the heating wire 94. The heated gas will then be input into the cylinder body 4 through the exhaust pipe 96 and the air outlet 97 to heat and dry the material. While drying, the output end of the driving motor 7 can drive the rotating shaft 10 and the stirring rod 11 to continuously rotate forward and backward, so as to stir the material to improve the drying efficiency, prevent the dampness of the material from affecting the screening effect, and the drying efficiency is higher.

[0025] After drying, the material will fall into the interior of the filter frame 13. With the vibration of the filter frame 13 driven by the vibration motor 16 and the elastic action of the spring 15, the material can be screened. When the rotating shaft 10 rotates forward and backward, it will also drive the first bevel gear 81 to rotate. The first bevel gear 81 can drive the second bevel gear 82 and the positive and negative screw rod 83 to rotate, causing the connecting seat 85 to perform a threaded movement. The two connecting seats 85 will move in opposite directions. While the connecting seat 85 slides along the guide rod 87, it will drive the push block 86 to perform a reciprocating movement in the horizontal direction. The push block 86 can push and level the material inside the filter frame 13, avoiding the accumulation of the material from affecting the screening work and achieving the effect of improving the screening efficiency of the material. After screening, the material will fall into the receiving trough 17.

[0026] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A screening device for heavy calcium carbonate powder, comprising a box body (1), characterized in that: The bottom of the box body (1) is fixedly connected with a support rod (2). The left end of the box body (1) is fixedly connected with a fixed box (3). The inside of the box body (1) is fixedly connected with a cylinder body (4). The lower end of the cylinder body (4) is fixedly connected with a feeding port (5). An electromagnetic valve is arranged on the feeding port (5). The top of the box body (1) is fixedly connected with a bracket (6). The top of the bracket (6) is fixedly connected with a driving motor (7). The output end of the driving motor (7) is rotatably connected with the bracket (6). The lower end of the output end of the driving motor (7) is fixedly connected with a rotating shaft (10). The rotating shaft (10) is rotatably connected with the cylinder body (4). A plurality of stirring rods (11) are fixedly connected to the outer side of the rotating shaft (10). A filter frame (13) is slidably connected to the inside of the box body (1). A vibration motor (16) is arranged on the filter frame (13). A spring (15) is fixedly connected to the bottom of the filter frame (13). The bottom of the spring (15) is fixedly connected with a support frame (14). The support frame (14) is fixedly connected with the box body (1). A material receiving groove (17) is in contact with the bottom inner wall of the box body (1). A material pushing mechanism (8) is arranged on the box body (1). A drying mechanism (9) is arranged on the cylinder body (4).

2. The screening device for heavy calcium carbonate powder according to claim 1, characterized in that: A sealing ring (12) is fixedly connected to the inside of the cylinder body (4). The sealing ring (12) is rotatably connected with the rotating shaft (10).

3. The screening device for heavy calcium carbonate powder according to claim 1, wherein: The material pushing mechanism (8) includes a first bevel gear (81). The bottom of the rotating shaft (10) is fixedly connected with a first bevel gear (81). A second bevel gear (82) is meshed with the outer side of the first bevel gear (81). A positive and negative screw rod (83) is fixedly sleeved inside the second bevel gear (82). A fixed seat (84) is rotatably sleeved on the outer side of the positive and negative screw rod (83). The fixed seat (84) is rotatably connected with the rotating shaft (10). Two symmetrically distributed connecting seats (85) are threadedly connected to the outer side of the positive and negative screw rod (83). A pushing block (86) is fixedly connected to the bottom of the connecting seat (85).

4. A heavy calcium carbonate powder screening device according to claim 3, characterized in that: A guide rod (87) is slidably sleeved inside the connecting seat (85). The guide rod (87) is fixedly connected with the fixed seat (84).

5. A screening device for heavy calcium carbonate powder according to claim 1, characterized in that: The drying mechanism (9) includes an air inlet (91). The upper end inside the fixed box (3) is fixedly connected with an air inlet (91). A filter screen (92) is slidably connected to the inside of the fixed box (3). An electric heating wire (94) is arranged inside the fixed box (3). An air pump (95) is fixedly connected to the inner side wall of the fixed box (3). The right end of the air pump (95) is fixedly connected with an exhaust pipe (96). The exhaust pipe (96) is fixedly connected with both the fixed box (3) and the box body (1). The exhaust pipe (96) is fixedly connected with the cylinder body (4). The right end of the exhaust pipe (96) is fixedly connected with an air outlet (97).

6. The screening device for heavy calcium carbonate powder according to claim 5, characterized in that: The bottom of the filter screen (92) is in contact with a support block (93). The support block (93) is fixedly connected with the fixed box (3).

Citation Information

Patent Citations

  • Calcium carbonate powder screening device

    CN219943545U