Air pressure sealing ring structure of powder concentrator

Abstract

The utility model discloses an air pressure sealing ring structure of a powder concentrator, and relates to the technical field of powder concentrators. The air pressure sealing ring structure of the powder concentrator comprises a local powder concentrator and an air injection mechanism, a penetrating hole is formed in the top of the local powder concentrator, a sealing ring is fixedly installed on the inner wall of the penetrating hole, a driving part is movably inserted into the sealing ring in a penetrating mode, and a first sealing cover and a second sealing cover which are attached to each other are arranged on the top of the local powder concentrator. The air injection mechanism is arranged on the first sealing cover and comprises a hollow plate and an injection pipe, and the hollow plate is fixedly installed on the inner wall of the first sealing cover. According to the air pressure sealing ring structure of the powder concentrator, through the air injection mechanism, compressed air forms a uniform and continuous air pressure barrier in the first sealing cover and the second sealing cover, particularly on the end face, making contact with the driving piece, of the sealing ring, the phenomenon of coarse powder leakage is completely eradicated, the operation efficiency of the powder concentrator is improved, the service life of equipment is further prolonged, and the service life of the equipment is prolonged. And the stability of the product quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a powder concentrator technical field, especially a powder concentrator air pressure sealing ring structure. BACKGROUND

[0002] ‌The superfine powder concentrator is a kind of equipment specially used for screening and grading superfine powder materials, it is widely used in multiple industrial fields, such as manufacturing, metallurgy, chemical industry and building materials etc., to meet the classification requirement of different size particles in production process, superfine powder concentrator has high-precision screening capacity, by advanced technology and process design, can efficiently grade superfine powder materials, ensure product quality and production efficiency‌.

[0003] In the operation process of superfine powder concentrator, sealing ring end coarse is a common and thorny problem, coarse phenomenon refers to that powder particles leak to undue area through the gap of sealing ring, which not only reduces powder concentration efficiency, but also can cause damage to equipment, even influences product quality, for this purpose, a kind of powder concentrator air pressure sealing ring structure is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of powder concentrator air pressure sealing ring structure, can solve the problem of superfine powder concentrator sealing ring end coarse.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of powder concentrator air pressure sealing ring structure, including:

[0006] Local powder concentrator, its top is provided with perforation, the inner wall of perforation is fixedly installed with sealing ring, driving piece is movably inserted in sealing ring, the top of local powder concentrator is provided with the first sealing cover and the second sealing cover mutually adhering;

[0007] Jet mechanism, it is set on the first sealing cover, jet mechanism includes hollow plate and injection pipe, the inner wall of first sealing cover is fixedly installed with hollow plate, the inner wall of hollow plate is fixedly installed with at least two groups of injection pipe, and the one end of each group of injection pipe is communicated with the inside of hollow plate.

[0008] Preferably, the jet mechanism further includes air inlet pipe and flange, the outer surface of first sealing cover is fixedly installed with air inlet pipe, one end of air inlet pipe penetrates first sealing cover and is communicated with the inside of hollow plate, the other end of air inlet pipe is fixedly installed with flange.

[0009] Preferably, the outer surfaces of the first sealing cover and the second sealing cover are fixedly installed with a set of mounting plates, the bottoms of the two sets of mounting plates are fixedly installed with a set of sealing pads, the two sets of sealing pads are attached to the top of the partial powder selecting machine, and two sets of mounting holes are formed through the two sets of mounting plates and the corresponding sealing pads.

[0010] Preferably, one side of the first sealing cover close to the second sealing cover is provided with two sets of positioning grooves, and the second sealing cover is fixedly installed with two sets of positioning pieces on the side close to the first sealing cover, and the two sets of positioning pieces are inserted into the corresponding positioning grooves.

[0011] Preferably, the top of the first sealing cover and the second sealing cover is provided with a set of semicircular openings, and the two sets of semicircular openings form a circular hole, and the driving member is inserted into the circular hole.

[0012] Preferably, the inner walls of the two sets of semicircular openings are fixedly installed with a set of sealing rings, and the two sets of sealing rings are attached to the outer surface of the driving member.

[0013] Preferably, the outer surfaces of the first sealing cover and the second sealing cover are provided with at least two sets of anti-skid grooves.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The powder selecting machine air pressure sealing ring structure forms a uniform and continuous air pressure barrier on the end face of the sealing ring and the driving member through the air injection mechanism, prevents the occurrence of coarse running, solves the problem that the powder particles leak to the area that should not be leaked through the gap of the sealing ring, improves the operation efficiency of the powder selecting machine, prolongs the service life of the equipment, and ensures the stability of the product quality.

[0016] (2) The powder selecting machine air pressure sealing ring structure is convenient to disassemble and assemble, so that the structure can be regularly maintained during use, ensures the use effect of the structure, and is favorable to the promotion and use of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and embodiments:

[0018] Figure 1 It is the front view perspective drawing of the utility model;

[0019] Figure 2 It is the front view perspective sectional view of the utility model;

[0020] Figure 3 It is the right view solid figure of the second sealing cover and the upper associated parts thereof of the utility model;

[0021] Figure 4 It is the left view solid figure of the first sealing cover and the upper associated parts thereof of the utility model.

[0022] Reference signs: 1, partial powder selecting machine; 2, driving piece; 3, sealing ring; 4, first sealing cover; 5, second sealing cover; 6, air jet mechanism; 61, hollow plate; 62, jet pipe; 63, air inlet pipe; 64, flange plate; 7, mounting plate; 8, sealing gasket; 9, mounting hole; 10, bolt; 11, positioning groove; 12, positioning sheet; 13, semicircular port; 14, sealing ring; 15, anti-skid groove. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme: a powder selecting machine air pressure sealing ring structure, including partial powder selecting machine 1 and air jet mechanism 6, the top of partial powder selecting machine 1 is provided with perforation, the inner wall of perforation is fixedly installed with sealing ring 3, and driving piece 2 is movably inserted in sealing ring 3, and the top of partial powder selecting machine 1 is provided with first sealing cover 4 and second sealing cover 5 that mutually adhere,

[0025] Air jet mechanism 6 is arranged on first sealing cover 4, and air jet mechanism 6 includes hollow plate 61 and jet pipe 62, hollow plate 61 is fixedly installed on the inner wall of first sealing cover 4, at least two groups of jet pipes 62 are fixedly installed on the inner wall of hollow plate 61, and one end of each group of jet pipes 62 communicates with the inside of hollow plate 61.

[0026] The air injection mechanism 6 further comprises an air inlet pipe 63 and a flange plate 64, the air inlet pipe 63 is fixedly installed on the outer surface of the first sealing cover 4, one end of the air inlet pipe 63 penetrates through the first sealing cover 4 and communicates with the inside of the hollow plate 61, the other end of the air inlet pipe 63 is fixedly installed with the flange plate 64, through the air injection mechanism 6, the compressed air is in the first sealing cover 4 and the second sealing cover 5, especially in the end surface of the sealing ring 3 in contact with the driving part 2, a uniform and continuous air pressure barrier is formed, which prevents the occurrence of running coarse phenomenon, solves the problem that the powder particles leak to the area that should not be leaked through the gap of the sealing ring, which not only reduces the powder selection efficiency, but also may cause damage to the equipment, even affects the product quality, improves the operation efficiency of the powder selection machine, prolongs the service life of the equipment, and ensures the stability of the product quality.

[0027] Further, the outer surfaces of the first sealing cover 4 and the second sealing cover 5 are fixedly installed with a group of mounting plates 7, the bottoms of the two groups of mounting plates 7 are fixedly installed with a group of sealing pads 8, the two groups of sealing pads 8 are in close contact with the top of the partial powder selection machine 1, the two groups of mounting plates 7 and the corresponding sealing pads 8 are both commonly penetrated with two groups of mounting holes 9, each group of mounting holes 9 is movably penetrated with a group of bolts 10, each group of bolts 10 is threadedly installed on the top of the partial powder selection machine 1, one side of the first sealing cover 4 close to the second sealing cover 5 is provided with two groups of positioning grooves 11, one side of the second sealing cover 5 close to the first sealing cover 4 is fixedly installed with two groups of positioning pieces 12, the two groups of positioning pieces 12 are inserted into the corresponding positioning grooves 11, the tops of the first sealing cover 4 and the second sealing cover 5 are penetrated with a group of semicircular openings 13, the two groups of semicircular openings 13 form a circular hole, the driving part 2 penetrates the circular hole, a group of sealing rings 14 are fixedly installed on the inner walls of the two groups of semicircular openings 13, the two groups of sealing rings 14 are in close contact with the outer surface of the driving part 2, at least two groups of anti-skid grooves 15 are formed on the outer surfaces of the first sealing cover 4 and the second sealing cover 5, through the cooperation of the first sealing cover 4 and the second sealing cover 5, the structure can be quickly disassembled and assembled, so that regular maintenance can be carried out during use, the use effect of the structure is guaranteed, and the popularization and use of the structure are facilitated.

[0028] Working principle: when installing, butt joint the first sealing cover 4 and the second sealing cover 5, and sleeve on the driving element 2, the driving element 2 is in close contact with the sealing ring 14 in the two groups of semicircular ports 13, and the two groups of positioning sheets 12 are inserted into the corresponding positioning grooves 11, and are bolted on the local powder selecting machine 1 through the installation plate 7 on the first sealing cover 4 and the second sealing cover 5, the installation hole 9 and the bolt 10, the air inlet pipe 63 is connected with the compressed air supply system through the flange plate 64, when the driving element 2 operates in the local powder selecting machine 1, the compressed air supply system stably and continuously supplies high-pressure air, the high-pressure air enters the hollow plate 61 through the air inlet pipe 63, and is sprayed to the contact position between the sealing ring 3 and the driving element 2, i.e. the end face of the sealing ring 3, through the various spray pipes 62, a gas pressure barrier is formed on the sealing ring end face, so that the powder particles in the local powder selecting machine 1 are prevented from leaking through the gap between the driving element 2 and the sealing ring 3.

[0029] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A structure of air pressure seal ring of a sifter, characterized by, The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other. The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other. The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other.

2. The air pressure seal ring structure of a powder selector according to claim 1, characterized in that: The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other.

3. The air pressure seal ring structure of a powder concentrator according to claim 2, wherein: The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other.

4. The air pressure seal ring structure of a powder concentrator according to claim 3, wherein: The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other.

5. The air pressure seal ring structure of a powder concentrator according to claim 4, wherein: The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other.

6. The air pressure seal ring structure of a powder concentrator according to claim 5, wherein: The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other.

7. The air pressure seal ring structure of a powder concentrator according to claim 6, wherein: The utility model relates to a local powder selecting machine, which comprises a local powder selecting machine (1) with a perforated top, a sealing ring (3) fixedly installed on the inner wall of the perforation, a driving element (2) movably inserted into the sealing ring (3), a first sealing cover (4) and a second sealing cover (5) arranged on the top of the local powder selecting machine (1) and adhered to each other.

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