Calcium carbonate powder screening device

Abstract

The utility model relates to a calcium carbonate powder screening device which comprises a box body and a box cover, a feeding port is formed in the top of the box cover, a discharging port is formed in the side wall of the box body, a filtering plate is arranged in the box body, filtering holes are formed in the filtering plate, a material distributing cone is fixedly arranged in the center of the filtering plate, and the material distributing cone and the feeding port are arranged in an up-down corresponding mode. The filter plate can move up and down along the central axis of the box body and synchronously rotate, a driving rod is fixedly arranged at the bottom of the filter plate, a spiral groove is formed in the outer wall of the driving rod, the driving rod is sleeved with a driving cylinder, a driving block matched with the spiral groove is fixedly arranged on the inner wall of the driving cylinder, and a pressure spring is installed between the bottom wall of the driving cylinder and the bottom wall of the driving rod; the top end of the compression spring abuts against the bottom wall of the driving rod, and the bottom end of the compression spring abuts against the bottom wall of the driving cylinder.

Description

Technical Field

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

[0002] Calcium carbonate is an inorganic compound commonly known as limestone, limestone, stone powder, and marble. It is neutral, slightly soluble in water, and soluble in hydrochloric acid. It is a common substance on Earth, found in rocks such as aragonite, calcite, chalk, limestone, marble, and travertine, and is also a major component of animal bones and shells. Calcium carbonate is also an important building material with a wide range of industrial applications. However, the crushing of calcium carbonate powder requires screening, but existing calcium carbonate powder screening devices are prone to clogging during screening, necessitating urgent improvements. Utility Model Content

[0003] The utility model aims to provide a calcium carbonate powder screening device, which is used to solve the problem that the filter screen of the existing calcium carbonate powder screening device is easily clogged.

[0004] In order to solve the above problems, the utility model provides a calcium carbonate powder screening device, including a box body and a box cover, the top of the box cover is provided with a feed port, the side wall of the box body is provided with a discharge port, a filter plate is provided in the box body, and a filter hole is provided on the filter plate. A dividing cone is fixedly provided at the center of the filter plate, and the dividing cone is arranged corresponding to the feed port above and below. The filter plate can move up and down along the central axis of the box body and rotate synchronously. A driving rod is fixedly provided at the bottom of the filter plate, and a spiral groove is provided on the outer wall of the driving rod. The driving rod is sleeved in the driving cylinder, and a driving block matching the spiral groove is fixedly provided on the inner wall of the driving cylinder. A compression spring is installed between the bottom wall of the driving cylinder and the bottom wall of the driving rod, and the top end of the compression spring abuts against the bottom wall of the driving rod, and the bottom end of the compression spring abuts against the bottom wall of the driving cylinder.

[0005] The calcium carbonate powder screening device provided by the utility model also has the following technical features:

[0006] Furthermore, the discharge port is provided with a blocking block.

[0007] Furthermore, a motor assembly for driving the driving cylinder to rotate is installed at the bottom of the box, and the motor assembly includes a motor, a driving gear fixedly connected to the output end of the motor, and a driven gear meshing with the driving gear, and the driven gear is fixedly connected to the driving cylinder coaxially.

[0008] Furthermore, a partition is fixedly provided in the box body, the partition is located below the discharge port, and the driving cylinder passes through the center of the partition and is rotatably connected to the partition.

[0009] Furthermore, crushing rods are symmetrically fixed on both sides of the driving cylinder.

[0010] Furthermore, the rotation speed of the motor is 60r / min.

[0011] The utility model has the following beneficial effects: first, the calcium carbonate powder is poured into the filter plate from the feed port, and since the distribution cone corresponds to the feed port up and down, the calcium carbonate powder is evenly scattered around to avoid accumulation; the driving rod is driven to rotate by the driving cylinder, so that the filter plate can move up and down and rotate at the same time to dynamically screen the calcium carbonate powder, and at the same time avoid the filter plate from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Schematic diagram of the overall structure of the calcium carbonate powder screening device;

[0013] Figure 2 for Figure 1 A magnified schematic diagram of the local structure at point A in the middle. DETAILED DESCRIPTION

[0014] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

[0015] like Figures 1 to 2 In the embodiment of a calcium carbonate powder screening device of the present invention shown in FIG, the device comprises a box body 10 and a box cover 11. The top of the box cover 11 is provided with a feed port 110, and the side wall of the box body 10 is provided with a discharge port 100. A filter plate 2 is provided in the box body 10, and a filter hole 21 is provided on the filter plate 2. A dividing cone 22 is fixedly provided at the center of the filter plate 2. The dividing cone 22 is arranged correspondingly to the feed port 110 above and below. The filter plate 21 can move up and down along the central axis of the box body 10 and rotate synchronously. A driving rod 3 is fixedly provided at the bottom of the filter plate 2. A spiral groove 31 is provided on the outer wall of the driving rod 3. The driving rod 3 is sleeved in the driving cylinder 4. The driving cylinder 4 The inner wall is fixed with a driving block 41 that cooperates with the spiral groove 31, and a compression spring 5 is installed between the bottom wall of the driving cylinder 4 and the bottom wall of the driving rod 3. The top end of the compression spring 5 is in contact with the bottom wall of the driving rod 3, and the bottom end of the compression spring 5 is in contact with the bottom wall of the driving cylinder 4. Specifically, first, the calcium carbonate powder is poured into the filter plate 2 from the feed port 110. Since the dividing cone 22 corresponds to the feed port 110 up and down, the calcium carbonate powder is evenly scattered around to avoid accumulation. The driving cylinder 4 drives the driving rod 3 to rotate, so that the filter plate 2 can move up and down and can also rotate to dynamically screen the calcium carbonate powder, while avoiding clogging of the filter plate 2.

[0016] In one embodiment of the present application, a blocking block 6 is provided at the discharge port 100 for discharging cards.

[0017] In one embodiment of the present application, a motor assembly 7 for driving the driving cylinder 4 to rotate is installed at the bottom of the box body 10. The motor assembly 7 includes a motor 71, a driving gear 72 fixedly connected to the output end of the motor 71, and a driven gear 73 meshing with the driving gear 72. The driven gear 73 is fixedly connected to the driving cylinder 4 coaxially.

[0018] In one embodiment of the present application, a partition 8 is fixedly provided in the box body 10 , and the partition 8 is located below the discharge port 100 . The driving cylinder 4 passes through the center of the partition 8 and is rotatably connected to the partition 8 .

[0019] In one embodiment of the present application, crushing rods 42 are symmetrically fixed on both sides of the driving cylinder 4. Specifically, the powder rods 42 can continue to crush the calcium carbonate powder that continues to fall after being screened by the filter plate 2 to avoid large particles.

[0020] In one embodiment of the present application, the rotation speed of the motor 71 is 60 r / min.

[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A calcium carbonate powder screening device, characterized in that, The filter assembly comprises a box body and a box cover, the top of the box cover is provided with a feed port, the side wall of the box body is provided with a discharge port, a filter plate is provided in the box body, a filter hole is provided on the filter plate, a dividing cone is fixedly provided at the center of the filter plate, the dividing cone is arranged corresponding to the feed port above and below, the filter plate can move up and down along the central axis of the box body and rotate synchronously, a driving rod is fixedly provided at the bottom of the filter plate, a spiral groove is provided on the outer wall of the driving rod, the driving rod is sleeved in the driving cylinder, and a driving block matching the spiral groove is fixedly provided on the inner wall of the driving cylinder, a compression spring is installed between the bottom wall of the driving cylinder and the bottom wall of the driving rod, the top end of the compression spring is in contact with the bottom wall of the driving rod, and the bottom end of the compression spring is in contact with the bottom wall of the driving cylinder.

2. A calcium carbonate powder screening device according to claim 1, characterized in that: The discharge port is provided with a blocking block.

3. A calcium carbonate powder screening device according to claim 1, characterized in that: A motor assembly for driving the driving cylinder to rotate is installed at the bottom of the box. The motor assembly includes a motor, a driving gear fixedly connected to the output end of the motor, and a driven gear meshing with the driving gear. The driven gear is fixedly connected to the driving cylinder coaxially.

4. A calcium carbonate powder screening device according to claim 3, characterized in that: A partition is fixedly provided in the box body, and the partition is located below the discharge port. The driving cylinder passes through the center of the partition and is rotatably connected to the partition.

5. A calcium carbonate powder screening device according to claim 4, characterized in that: Crushing rods are symmetrically fixed on both sides of the driving cylinder.

6. A calcium carbonate powder screening device according to claim 3, characterized in that: The rotation speed of the motor is 60 r / min.

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