CN216779438U

CN216779438U - Can improve sieve plate structure of shale shaker screening efficiency

Info

Publication number: CN216779438U
Application number: CN202123405719.8U
Authority: CN
Inventors: 王金龙; 樊伟; 郭素梅; 姚大山; 周桃巨; 徐笑笑; 李冰玉; 肖元培; 潘大明
Original assignee: Hefei John Finlay Mining Equipment Co ltd
Current assignee: Hefei John Finlay Mining Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-21
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a sieve plate structure capable of improving the screening efficiency of a vibrating screen, which comprises a sieve plate mounting body, wherein the sieve plate mounting body comprises a plurality of sieve plate monomers, each sieve plate monomer is made by casting, each sieve plate monomer comprises a guide distribution block and an end cover, a screen is fixed on the inner side of each sieve plate monomer, the guide distribution blocks are of triangular prism-shaped cavity structures and are symmetrically fixed on two sides of each sieve plate monomer, the end covers are detachably connected with the distribution blocks, the outer surfaces of the end covers and the distribution blocks are flush, a vibrating structure is arranged inside each guide distribution block, and a vertically arranged air cylinder is fixedly connected to the inner side of each end cover. The vibrating screen improves the screening efficiency of the vibrating screen, ensures that all materials are screened by the screen, prevents the materials from being retained on the vibrating screen, improves the purity rate of the final materials, can prolong the service life of equipment parts, has stable structure, convenient use and strong applicability, and meets the use requirements of people when using the vibrating screen.

Description

Can improve sieve plate structure of shale shaker screening efficiency

Technical Field

The utility model relates to the technical field of mine washing, in particular to a sieve plate structure capable of improving the sieving efficiency of a vibrating sieve.

Background

The vibrating screen is a kind of equipment widely used in coal industry, and is used as a screening machine for grading, dewatering and medium-removing of materials, and it is mainly composed of eccentric block type vibration exciter, screen box, screen plate, supporting spring, driving device and other parts, where the screen plate system is the main working face and the screen plate is composed of screen mesh and polyurethane frame.

Although the shale shaker uses comparatively extensively, its problem exists when using, and the shale shaker is at the during operation, has the condition of no screen cloth between two sieves, and when the position of material from the sieve frame passed through in the shale shaker work, the sieve frame can't play the effect of screening, can form the material screening inequality, screening inefficiency, increase operating time, energy consumption and increase the problem to still have some impurity after as for the screening.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a sieve plate structure capable of improving the sieving efficiency of a vibrating sieve.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a can improve sieve structure of shale shaker screening efficiency, includes the sieve installation body, the sieve installation body includes a plurality of sieve monomers, and each sieve monomer is the pouring and makes, the sieve monomer is including direction branch shifting block and end cover, and sieve monomer inboard is fixed with the screen cloth, the direction divides the shifting block to be triangular prism form cavity structure to the symmetry is fixed in the free both sides of sieve, the end cover can be dismantled with the branch shifting block and be connected, and both surface parallel and level, the inside of direction branch shifting block is equipped with vibrating structure, the cylinder of the vertical setting of inboard fixedly connected with of end cover.

Preferably, the vibrating structure comprises a horizontal pressing rod, an I-shaped rod, a supporting plate, two limiting housings and a spring, the top side of the horizontal pressing rod is fixedly connected with an output shaft of the cylinder, the bottom side of the horizontal pressing rod is uniformly and fixedly connected with a plurality of vertical rods, the I-shaped rods are two, the top ends of the two vertical rods are fixedly connected with the bottoms of the two ends of the horizontal pressing rod respectively, the bottom ends of the two vertical rods are fixedly connected with the two springs respectively, the inner side walls of the supporting plate and the guide distribution block are fixedly connected, the limiting housings are fixedly connected with the supporting plate, and the bottoms of the I-shaped rods and the spring are arranged inside the limiting housings.

Preferably, the top of the limiting housing is provided with a through hole, the cylindrical rod at the center of the I-shaped rod is connected with the through hole in a sliding manner, and the widths of the top rod and the bottom rod are both larger than the diameter of the through hole.

Preferably, one side of the bottom rod of the I-shaped rod, which is far away from the spring, is fixedly connected with a buffer gasket, and the buffer gasket is made of rubber.

Preferably, the inclined edge of the guide distribution block is close to the screen, the vertical side of the guide distribution block is flush with the vertical outer wall of each screen plate monomer, and the vertical edges of the guide distribution blocks on every two screen plate monomers are tightly attached.

Preferably, the sieve plate monomer and the guide shifting block are both made of polyurethane materials.

Compared with the prior art, the utility model has the beneficial effects that:

1. through mutual cooperation among all parts, the screening efficiency of the vibrating screen is greatly improved, all materials are guaranteed to be screened through the screen, so that impurities of the finally screened materials are reduced, the working time can be reduced, and the service life of equipment parts is prolonged;

2. the vibrating screen is stable in structure, firm and durable, and when the vibrating screen works, the vibrating structure in the guide distributing block performs auxiliary work, so that materials can be ensured to completely fall onto the screen mesh for screening, and the materials are prevented from being accumulated and stopped on the inclined surface of the guide distributing block.

The vibrating screen improves the screening efficiency of the vibrating screen, ensures that all materials are screened by the screen, prevents the materials from being retained on the vibrating screen, improves the purity rate of the final materials, can prolong the service life of equipment parts, has stable structure, convenient use and strong applicability, and meets the use requirements of people when using the vibrating screen.

Drawings

Fig. 1 is a schematic perspective view of a screen plate structure capable of improving the screening efficiency of a vibrating screen according to the present invention;

FIG. 2 is a schematic structural diagram of a screen plate structure capable of improving the screening efficiency of a vibrating screen according to the present invention;

FIG. 3 is a schematic side view of a screen deck structure for improving the screening efficiency of a vibrating screen according to the present invention;

fig. 4 is a schematic partial sectional structural view of a screen plate structure capable of improving the screening efficiency of a vibrating screen according to the present invention.

In the figure: the screen plate installation body 1, the screen plate single body 2, the guide shifting block 21, the horizontal pressing rod 211, the I-shaped rod 212, the supporting plate 213, the limiting cover 214, the spring 215, the buffer gasket 216, the end cover 22 and the air cylinder 221.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-4, a sieve plate structure capable of improving the screening efficiency of a vibrating screen, in order to guide the flow of materials, reduce the phenomenon of non-uniform screening, and ensure the quality of the material screening, the sieve plate structure includes a sieve plate mounting body 1, the sieve plate mounting body 1 includes a plurality of sieve plate monomers 2, each sieve plate monomer 2 is made by casting, the sieve plate monomers 2 include guide sub-shifting blocks 21 and end covers 22, and the inner sides of the sieve plate monomers 2 are fixed with a screen, in order to ensure the uniform distribution of the materials, so that the materials can fall on the screen uniformly for screening, the guide sub-shifting blocks 21 are set to be a triangular prism-shaped cavity structure and are symmetrically fixed on the two sides of the sieve plate monomers 2, in order to enhance the screening effect of the vibrating screen and improve the screening efficiency, the end covers 22 are detachably connected with the sub-shifting blocks 21, and the outer surfaces of the two are flush, a vibrating structure is arranged inside the guide sub-shifting blocks 21, a vertically arranged cylinder 221 is fixedly connected to the inner side of the end cover 22;

when using this sieve installation body 1, install its slope on external vibrating device, when the material falls from the eminence, along the downward landing of 1 incline direction of sieve installation body, the material filters via the screen cloth, and the material is when dividing shifting block 21 through the direction, the material is along with the slope outer wall that the direction divides shifting block 21 to divide the screen cloth of its both sides to divide the material even branch to sieve, thereby ensure that all materials all can effectively sieve, improve the quality of final material, reduce impurity content, and at the shale shaker during operation, strengthen the vibration effect of screen cloth through vibrating structure, thereby improve the screening efficiency of shale shaker.

Example two

Referring to fig. 1-4, in this embodiment, basically the same as the first embodiment, it is more preferable that the horizontal compression bar 211, the i-shaped bar 212, the supporting plate 213, the limiting cover 214 and the spring 215 are provided, wherein the top side of the horizontal compression bar 211 is fixedly connected to the output shaft of the cylinder 221, and the bottom side of the horizontal compression bar 211 is uniformly and fixedly connected to a plurality of vertical bars, in order to ensure the stress balance between the two ends of the horizontal compression bar 211 at the two sides, thereby ensuring the synchronization of vibration, two i-shaped bars 212 are provided, and the top ends of the two i-shaped bars are respectively and fixedly connected to the bottoms of the two ends of the horizontal compression bar 211, and the bottom ends of the two i-shaped bars are respectively and fixedly connected to two springs 215, in order to limit the positions of the spring 215 and the i-shaped bar 212 and provide resistance, and prevent the bottom of the i-shaped bar 212 from moving without limitation, the supporting plate 213 is fixedly connected to the inner side wall of the guiding sub-shifting block 21, and the limiting cover 214 is fixedly connected to the supporting plate 213, and the bottom of the i-shaped bar 212 and the spring 215 are both arranged inside the limiting cover 214, in order to ensure the smoothness of the movement of the I-shaped rod 212 and prevent the I-shaped rod 212 from being clamped, a through hole is formed in the top of the limiting cover 214, a cylindrical rod at the center of the I-shaped rod 212 is slidably connected with the through hole, the widths of an ejector rod and a bottom rod of the I-shaped rod are larger than the diameters of the through hole, and in order to reduce the hard collision between the I-shaped rod 212 and the limiting cover 214 and prolong the service lives of the I-shaped rod 212 and the limiting cover 214, a buffer gasket 216 is fixedly connected to one side, away from a spring 215, of the bottom rod of the I-shaped rod 212, the buffer gasket 216 is made of a rubber material, when the structure works, an air cylinder 221 is started, the air cylinder 221 drives a horizontal compression rod 211 to rapidly reciprocate, and a vertical rod at the bottom side of the horizontal compression rod 211 collides with the bottom wall of the guide sub-shifting block 21 in the movement process of the horizontal compression rod 211, so that the whole screen plate single body 2 vibrates, and further strengthens the vibration effect of the whole screen plate mounting body 1, the screening efficiency of the whole vibrating screen is improved, and when the vertical rod collides with the bottom wall of the guide shifting block 21, the horizontal pressure rod 211 collides with the limiting housing 214 at the same time, so that vibration is transmitted to the supporting plate 213, the inclined surface of the guide shifting block 21 vibrates, and materials are prevented from being retained on the inclined surface;

the inclined edges of the guide shifting blocks 21 are close to the screen, the vertical sides of the guide shifting blocks are flush with the vertical outer walls of the screen plate monomers 2, the vertical edges of the guide shifting blocks 21 on each two screen plate monomers 2 are tightly attached, and all materials are guided through seamless proximity between the adjacent guide shifting blocks 21, so that the materials are prevented from being stuck in gaps and being retained;

the sieve plate monomer 2 and the guide shifting block 21 are both made of polyurethane materials, so that the overall strength of the structure is enhanced, and the structure is firmer.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a can improve sieve structure of shale shaker screening efficiency, includes sieve installation body (1), its characterized in that, sieve installation body (1) is including a plurality of sieve monomers (2), and each sieve monomer (2) are the pouring and make, sieve monomer (2) divide shifting block (21) and end cover (22) including the direction, and sieve monomer (2) inboard is fixed with the screen cloth, the direction divides shifting block (21) to be triangular prism form cavity structure to the symmetry is fixed in the both sides of sieve monomer (2), end cover (22) can be dismantled with minute shifting block (21) and be connected, and both surface parallel and levels, the inside of direction branch shifting block (21) is equipped with vibrating structure, the cylinder (221) of the vertical setting of inboard fixedly connected with of end cover (22).

2. The screen plate structure capable of improving the screening efficiency of the vibrating screen according to claim 1, wherein the vibrating structure comprises horizontal pressing rods (211), I-shaped rods (212), supporting plates (213), a limiting casing (214) and springs (215), the top sides of the horizontal pressing rods (211) are fixedly connected with an output shaft of an air cylinder (221), the bottom sides of the horizontal pressing rods (211) are uniformly and fixedly connected with a plurality of vertical rods, the I-shaped rods (212) are provided with two parts, the top ends of the two parts are fixedly connected with the bottoms of the two ends of the horizontal pressing rods (211), the bottom ends of the two parts are fixedly connected with the two springs (215), the supporting plates (213) are fixedly connected with the inner side wall of the guide shifting block (21), the limiting casing (214) is fixedly connected with the supporting plates (213), and the bottoms of the I-shaped rods (212) and the springs (215) are arranged inside the limiting casing (214).

3. The screen plate structure capable of improving the screening efficiency of the vibrating screen as claimed in claim 2, wherein a through hole is formed in the top of the limiting housing (214), the cylindrical rod at the center of the I-shaped rod (212) is slidably connected with the through hole, and the widths of the top rod and the bottom rod are both larger than the diameter of the through hole.

4. A screening deck structure for improving the screening efficiency of a vibrating screen according to claim 2, wherein a cushion (216) is fixedly connected to the side of the bottom rod of the i-shaped rod (212) far away from the spring (215), and the cushion (216) is made of rubber.

5. The screen plate structure capable of improving the screening efficiency of the vibrating screen as claimed in claim 1, wherein the inclined edges of the guide shifting blocks (21) are close to the screen cloth, the vertical side of the guide shifting blocks is flush with the vertical outer wall of each screen plate unit (2), and the vertical edges of the guide shifting blocks (21) on every two screen plate units (2) are tightly attached.

6. The screen plate structure capable of improving the screening efficiency of the vibrating screen according to claim 1, wherein the screen plate single body (2) and the guide shifting block (21) are both made of polyurethane material.