Diatomite powder grader

Abstract

The utility model discloses a diatomite powder grader which comprises a machine body, a high-pressure fan is arranged at the top of an inner cavity of the machine body, a screen is arranged at the top of the inner wall of the machine body, a powder scraping mechanism is arranged on the outer wall of the screen, the powder scraping mechanism comprises an electric telescopic rod, and the bottom end of the electric telescopic rod is arranged at the bottom of the inner wall of the machine body through a plurality of fixing rods; the supporting rod is fixed at the top end of the electric telescopic rod; the plurality of pressure springs are respectively fixed on two sides of the supporting rod; the brush plate is fixed to the top ends of the multiple pressure springs, and the brush plate is used for pushing powder on the outer wall of the bottom of the screen; and the brushing assembly is arranged at the top of the brushing plate and used for brushing the periphery of the outer wall of the screen. Through the arrangement mode that the screen cloth is matched with the powder scraping mechanism, powder grading is facilitated, blockage at the bottom of the screen cloth is reduced, powder on the screen cloth can be brushed away conveniently, powder accumulation waste on the screen cloth is reduced, and cleaning convenience of the screen cloth on the grading machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder classifiers, in particular to a diatomite powder classifier. Background Art

[0002] Diatomaceous earth is a siliceous rock. The mineral components of diatomaceous earth are mainly opal and its variants, followed by clay minerals such as hydromica, kaolinite and mineral fragments. The mineral fragments include quartz, feldspar, biotite and organic matter. The colors of diatomaceous earth are white, off-white, gray and light gray-brown. It is fine, loose, light, porous, absorbent and permeable. The existing diatomaceous earth needs to use a powder classifier in the production process.

[0003] A powder classifier is an industrial equipment that can screen and classify diatomite so that the powder can be collected in different coarsenesses and can be screened again through a screening net. During the use of existing powder classifiers, due to the suction of the high-pressure fan, diatomite powder is easy to adhere to the screening net, and it is difficult to screen diatomite powders of different coarsenesses, resulting in waste in the diatomite powder classification process and causing certain difficulties in cleaning the classifier. Utility Model Content

[0004] The purpose of the utility model is to provide a diatomite powder classifier to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a diatomite powder classifier, comprising: a machine body, a high-pressure fan is arranged on the top of the inner cavity of the machine body, a screen is fixedly connected to the top of the inner wall of the machine body, and a powder scraping mechanism is arranged on the outer wall of the screen, and the powder scraping mechanism comprises:

[0006] An electric telescopic rod, the bottom end of which is arranged on the bottom of the inner wall of the machine body through a plurality of fixing rods;

[0007] A support rod, wherein the support rod is fixed to the top end of the electric telescopic rod;

[0008] A plurality of compression springs, wherein the plurality of compression springs are respectively fixed on both sides of the support rod;

[0009] A brush plate, the brush plate is fixed to the top of a plurality of compression springs, and the brush plate is used to push the powder on the outer wall of the bottom of the screen;

[0010] The brushing component is arranged on the top of the brush plate and is used for brushing the periphery of the outer wall of the screen.

[0011] Preferably, the brushing assembly comprises:

[0012] A plurality of support rods, wherein the plurality of support rods are respectively fixed at two ends of the support rod;

[0013] A cleaning ring, the cleaning ring is fixedly and interlacedly connected with the tops of the plurality of support rods;

[0014] A plurality of bristle blocks are fixed on the inner wall of the cleaning ring in an annular array.

[0015] Preferably, one end of the bristle block is in contact with the outer wall of the screen, and a positioning rod is provided in the inner cavity of the compression spring.

[0016] Preferably, the positioning rod is fixedly connected to the bottom end of the brush plate, and the positioning rod is slidably and interlacedly connected to the side of the support rod.

[0017] Preferably, an air inlet pipe is fixedly inserted and connected to the bottom of the machine body, and a feed port is fixedly inserted and connected to one side of the outer wall of the machine body.

[0018] Preferably, a discharge port is fixedly connected to the top of the machine body, and a fine powder collection box is fixedly connected to one end of the discharge port.

[0019] Technical effects and advantages of the utility model:

[0020] The utility model adopts the setting mode of matching the screen and the powder scraping mechanism and utilizes the high-pressure fan to facilitate the fine powder of diatomaceous earth to pass through the screen and be separated from the coarse powder outside the screen, so as to facilitate the powder classification. The electric telescopic rod is driven to enable the brush plate on the top of the compression spring to push the bottom of the screen, so as to facilitate the pushing of the powder adsorbed on the bottom of the screen and reduce the blockage of the bottom of the screen. At the same time, the brushing component can brush the outer wall of the screen, so as to facilitate the brushing of the powder on the screen, reduce the waste of powder accumulation on the screen, and improve the convenience of cleaning the screen on the classifier. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the overall front structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the top structure of the cleaning ring of the utility model.

[0024] In the figure: 1. machine body; 2. high-pressure fan; 3. screen; 4. powder scraping mechanism; 41. electric telescopic rod; 42. support rod; 43. compression spring; 44. brush plate; 45. brush moving assembly; 451. support rod; 452. cleaning ring; 453. brush block; 5. air inlet pipe; 6. feed inlet; 7. discharge outlet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-3 A diatomite powder classifier shown includes:

[0027] The machine body 1 has a high-pressure fan 2 at the top of its inner cavity. The high-pressure fan 2 is fixed to the top of the inner cavity of the machine body 1. The high-pressure fan 2 can inhale the air at the top of the machine body 1, so that the fine powder in the inner cavity of the machine body 1 can be sucked into the top of the machine body 1 along with the air, which is convenient for classifying the diatom powder entering the inner cavity of the machine body 1;

[0028] The top of the inner wall of the machine body 1 is fixedly connected with a screen 3, and the high-pressure fan 2 is arranged above the inner cavity of the screen 3, so that the fine powder can be sucked into the inner cavity of the screen 3. The outer wall of the screen 3 is an annular continuous wavy structure, which is convenient for increasing the peripheral surface area of ​​the screen 3, increasing the space for the diatomite fine powder and wind to enter, and improving the screening efficiency of the screen 3;

[0029] The outer wall of the screen 3 is provided with a powder scraping mechanism 4, which includes: an electric telescopic rod 41, a support rod 42, a plurality of compression springs 43, a brush plate 44 and a brushing assembly 45. The bottom end of the electric telescopic rod 41 is arranged at the bottom of the inner wall of the body 1 through a plurality of fixing rods, and the plurality of fixing rods are fixed to the bottom end of the electric telescopic rod 41 in a circular array. The bottom ends of the plurality of fixing rods are fixedly connected to the bottom of the inner wall of the body 1, so that the electric telescopic rod 41 can be stabilized at the bottom position of the inner cavity of the body 1. The support rod 42 is fixed to the top of the electric telescopic rod 41, and the support rod 42 is a long plate structure. , multiple compression springs 43 are respectively fixed on both sides of the support rod 42, the multiple compression springs 43 are two compression springs 43, and a brush plate 44 is fixed on the top of the multiple compression springs 43. The brush plate 44 is used for pushing the powder on the outer wall of the bottom of the screen 3. The brush plate 44 is composed of a hollow plate and a plurality of bristles. The bristles are fixed at the non-hollow position of the hollow plate. Through the hollow plate, it is convenient for the powder on the lower surface of the screen 3 to fall off. Through the extrusion of the lower surface of the screen 3 by the bristles, it is convenient to brush the lower surface of the screen 3. Through the elasticity of the compression spring 43, it does not affect the pushing of the brush component 45 by the support rod 42;

[0030] The inner cavity of the compression spring 43 is provided with a positioning rod, which is fixedly connected to the bottom end of the brush plate 44, and is slidably connected to the side of the support rod 42. The positioning rod is used to improve the stability of the compression spring 43 and the stability of the position of the brush plate 44.

[0031] The brushing assembly 45 is arranged on the top of the brush plate 44 and is used for brushing the periphery of the outer wall of the screen 3. The brushing assembly 45 includes: a plurality of support rods 451, a cleaning ring 452 and a plurality of bristle blocks 453. The plurality of support rods 451 are respectively fixed at both ends of the support rod 42. The plurality of support rods 451 are two support rods 451. The cleaning ring 452 is fixedly connected with the top of the plurality of support rods 451 through insertion. The support rods 451 facilitate the stable support of the cleaning ring 452, so that the cleaning ring 452 can keep up with the support rod 42 for stable movement, and the cleaning ring 452 is sleeved on the outer wall of the screen 3, and a plurality of brush blocks 453 are fixed on the inner wall of the cleaning ring 452 in a ring array. One end of the brush block 453 is in contact with the outer wall of the screen 3, and one end of the brush block 453 is in a wavy structure matched with the outer wall of the screen 3, which is convenient for brushing the outer wall of the screen 3, so that the brush block 453 can follow the cleaning ring 452 to clean the outer wall of the screen 3, reduce the blockage of the outer wall of the screen 3 by the powder, and the powder classification of the diatomaceous earth is not affected, and at the same time, it is convenient for screening the powder and cleaning the outer wall of the screen 3;

[0032] An air inlet pipe 5 is fixedly inserted and connected at the bottom of the body 1, so as to improve the air intake efficiency of the inner cavity of the body 1 and facilitate the diatomaceous earth fine powder entering the inner cavity of the body 1 to be blown upward and enter the inner cavity of the screen 3. A feed port 6 is fixedly inserted and connected at one side of the outer wall of the body 1. The inner cavity of the feed port 6 is the same as the inner cavity of the body 1, so that the diatomaceous earth powder can be put into the inner cavity of the body 1. A discharge port 7 is fixedly inserted and connected at the top of the body 1, and one end of the discharge port 7 is fixedly connected to a fine powder collection box, which can collect the graded fine powder, and the coarse powder filtered by the screen 3 can fall to the bottom of the inner cavity of the body 1, so that its grading function can stably grade the diatomaceous earth powder.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A diatomite powder classifier, comprising: A machine body (1) is provided with a high-pressure fan (2) at the top of its inner cavity, characterized in that a screen (3) is fixedly connected to the top of the inner wall of the machine body (1), and a powder scraping mechanism (4) is provided on the outer wall of the screen (3), and the powder scraping mechanism (4) comprises: An electric telescopic rod (41), the bottom end of the electric telescopic rod (41) being arranged on the bottom of the inner wall of the machine body (1) via a plurality of fixing rods; A support rod (42), wherein the support rod (42) is fixed to the top end of the electric telescopic rod (41); A plurality of compression springs (43), wherein the plurality of compression springs (43) are respectively fixed on both sides of the support rod (42); A brush plate (44), the brush plate (44) being fixed to the top ends of the plurality of compression springs (43), the brush plate (44) being used to push the powder against the outer wall of the bottom of the screen (3); A brushing assembly (45) is arranged on the top of the brush plate (44) and is used for brushing the periphery of the outer wall of the screen (3).

2. A diatomite powder classifier according to claim 1, characterized in that: The brushing assembly (45) comprises: A plurality of support rods (451), wherein the plurality of support rods (451) are respectively fixed to two ends of the support rod (42); A cleaning ring (452), wherein the cleaning ring (452) is fixedly interlaced with the tops of the plurality of support rods (451); A plurality of bristle blocks (453) are fixed to the inner wall of the cleaning ring (452) in an annular array.

3. A diatomite powder classifier according to claim 2, characterized in that: One end of the bristle block (453) is in contact with the outer wall of the screen (3), and a positioning rod is provided in the inner cavity of the compression spring (43).

4. A diatomite powder classifier according to claim 3, characterized in that: The positioning rod is fixedly connected to the bottom end of the brush plate (44), and the positioning rod is slidably and interlacedly connected to the side of the support rod (42).

5. The diatomite powder classifier according to claim 2, characterized in that: An air inlet pipe (5) is fixedly inserted and connected to the bottom of the machine body (1), and a feed port (6) is fixedly inserted and connected to one side of the outer wall of the machine body (1).

6. The diatomite powder classifier according to claim 2, characterized in that: A discharge port (7) is fixedly connected to the top of the machine body (1) and one end of the discharge port (7) is fixedly connected to a fine powder collection box.

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