CN219324439U

CN219324439U - Reinforced tensioning elastic screen plate

Info

Publication number: CN219324439U
Application number: CN202320527636.6U
Authority: CN
Inventors: 王晓枫; 杨鑫; 王振东; 杨光宇; 武迪; 王如意
Original assignee: Anshan Anzhong Mining Machinery Co ltd
Current assignee: Anshan Anzhong Mining Machinery Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-11
Anticipated expiration: 2033-03-17

Abstract

A reinforced tensioning elastic screen plate belongs to the field of vibration screening machinery and solves the problem that a tensioning type screen is easy to damage. Comprises a sieve plate body and an installation hook plate, and is connected with a side plate of a sieve box through a tensioning device. The sieve plate body is made of square elastic materials, embedded steel plates are arranged at the thickening positions of the two side edges of the sieve plate body, and the mounting hook plates are connected with the embedded steel plates through bolts and nuts. Strip-shaped thickening protrusions which are in contact with the supporting device are longitudinally and uniformly arranged below the screen plate body. At the transverse position of the sieve plate body, a pre-buried rope for increasing the strength of the sieve plate is arranged in the sieve plate body. The sieve holes on the sieve plate body are sieve holes with small upper part and large lower part formed by the cylindrical surface at the upper end and the conical surface at the lower end; the shape of the sieve holes is round holes, square holes or elliptical holes. Has the characteristics of compact and reasonable structure, good screen penetrating effect, difficult damage, convenient maintenance and long service life. The elastic screen surface is suitable for screening various viscous wet fine-fraction materials.

Description

Reinforced tensioning elastic screen plate

Technical Field

The utility model belongs to the field of vibration screening machinery, and mainly relates to a reinforced tensioning elastic screen plate for solving the problem that a tensioning screen plate is easy to damage during operation and preventing hole blocking during screening of wet fine-particle-size materials.

Background

The screening of the viscous wet fine-grained materials is a difficulty in researching screening technology at home and abroad at present, and is a problem to be solved in the screening operation. In the case of coal, as raw coal contains argillaceous, coal dust generated by mechanized coal mining is also more. When the water sprinkling and dust removing operation is carried out, the moisture of raw coal is rapidly increased, so that when the wet and sticky raw coal is screened, the sieve holes of a sieve plate are easily blocked, and the normal operation of production operation is influenced. The screening machine with the tensioning elastic screen plate is mainly used for screening wet and fine-grained materials, the tensioning elastic screen plate can generate secondary vibration in the vibration process along with the vibration exciter, and micro deformation of screen holes can be generated, so that the screening efficiency of the screening machine is greatly improved. However, in the use process of the tensioning elastic sieve plate, as the tensioning hooks are connected with the sieve plate body in a clamping mode, the connection between the tensioning hooks and the sieve plate body is easy to loose, so that the connecting part of the mounting hook plate and the sieve plate is easy to break along the direction of 45 degrees of exciting force. At the contact department of sieve and strutting arrangement, can produce relative motion at vibration screening's in-process, also make the sieve produce the phenomenon of damage or fracture, shortened the life of elasticity sieve. In addition, the sieve holes of the elastic sieve plate are usually inverted cone-shaped or cylindrical holes, the inverted cone-shaped sieve holes are beneficial to preventing the holes from being blocked, but the aperture is easy to be worn and enlarged, and the sieving quality of the sieving machine is directly affected; although the cylindrical hole has long service life, the wet materials are easy to clamp in the sieve holes, and the sieving efficiency of the sieving machine are affected. Therefore, there is an urgent need to develop an elastic sieve plate which can increase the service life of the sieve plate and can effectively prevent the blocking of holes.

Disclosure of Invention

The utility model aims to provide a reinforced tensioning elastic sieve plate which has high structural strength, is not easy to damage and can effectively prevent a wet fine-particle-grade material from blocking holes.

The utility model is realized by the following technical scheme, comprising a sieve plate body and an installation hook plate, and is connected with a side plate of a sieve box through a tensioning device, and is characterized in that: the sieve plate body is made of square elastic materials, embedded steel plates are arranged at thickening positions of two side edges of the sieve plate body, and the mounting hook plates are connected with the embedded steel plates through bolts and nuts; strip-shaped thickening protrusions which are in contact with the supporting device are longitudinally and uniformly arranged below the screen plate body; at the transverse position of the sieve plate body, a pre-buried rope for increasing the strength of the sieve plate is arranged in the sieve plate body.

The elastic material forming the sieve plate body is rubber or polyurethane. The sieve holes on the sieve plate body are sieve holes with small upper part and large lower part formed by the cylindrical surface at the upper end and the conical surface at the lower end; the shape of the sieve holes is round holes, square holes or elliptical holes. In order to increase the bonding strength of the embedded steel plate and the elastic sieve plate body, the embedded steel plate is provided with process holes or process columns for increasing the bonding strength. The interval between the strip-shaped thickening protrusions longitudinally arranged below the sieve plate body is 300-350 mm. The elasticity of the embedded rope is smaller than that of the sieve plate body.

The utility model has the beneficial effects that the elastic sieve plate is arranged on the vibrating screen, and the secondary vibration of the screen surface can be realized due to the elasticity of rubber or polyurethane materials. The sieve holes with small upper part and large lower part are beneficial to the sieve penetration of the materials on the whole sieve surface, so as to achieve the anti-blocking effect on the materials with viscous wet fine particle size. Holes or columns on the embedded steel plates can enable the elastic sieve plate body to be fused into the holes or wrap the columns in the forming process, and the connection strength of the embedded steel plates and the elastic sieve plate body is increased. The arrangement of the embedded ropes in the sieve plate body effectively prevents the overstretching of the elastic sieve plate, so that the service life of the sieve plate is prolonged. Has the characteristics of compact and reasonable structure, good screen penetrating effect, difficult damage, convenient maintenance and long service life. The elastic screen surface is suitable for screening various viscous wet fine-fraction materials.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of an installation in connection with a side panel of a screen box;

FIG. 4 is an enlarged view of the screen holes at I of FIG. 2;

FIG. 5 is a schematic view of a process column on a pre-buried steel plate;

fig. 6 is a schematic view of a process hole in a pre-buried steel plate.

In the figure, a hook plate is installed, a pre-buried steel plate is 2, a screw is 3, a nut is 4, a sieve plate body is 5, a thickening protrusion is 6, a pre-buried rope is 7, a sieve hole is 8, a supporting device is 9, a supporting angle steel is 10, a tensioning bolt is 11, a side plate of a sieve box is 12, a tensioning nut is 13, and a tensioning hook plate is 14; 2-1 is a connecting hole, 2-2 is a process column, and 2-3 is a process hole; the double arrow B indicates the longitudinal direction of the screen deck.

Description of the embodiments

The following describes specific embodiments of the present utility model with reference to the drawings:

the reinforced tensioning elastic sieve plate comprises a sieve plate body 5 and an installation hook plate 1, and is connected with a side plate 12 of the sieve box through a tensioning device. The tensioning hook plates 14 of the tensioning device on the two screen box side plates 12 are hooked with the mounting hook plates 1 on the screen plate body 5, and the elastic screen plate is tensioned through the tensioning bolts 11 and the tensioning nuts 13. Simultaneously, under the action of the supporting device, the screen surface forms an upward radian. The sieve plate body 5 is made of square elastic materials, embedded steel plates 2 are arranged at the thickening positions of the two side edges of the sieve plate body 5, and the installation hook plate 1 is connected with the embedded steel plates 2 through bolts 3 and nuts 4. Strip-shaped thickening protrusions 6 which are in contact with the supporting devices 9 are longitudinally and uniformly arranged below the screen plate body 5. At the transverse position of the screen plate body 5, a pre-buried rope 7 for increasing the strength of the screen plate is arranged in the screen plate body 5.

The elastic material constituting the screen plate body 5 is rubber. The sieve holes 8 on the sieve plate body 5 are sieve holes with small upper part and large lower part formed by the cylindrical surface at the upper end and the conical surface at the lower end; the shape of the sieve holes 8 is round holes, square holes or elliptical holes. In order to increase the bonding strength of the embedded steel plate 2 and the elastic sieve plate body 5, the embedded steel plate 2 is provided with a process hole 2-3 or a process column 2-2 for increasing the bonding strength. The interval between the strip-shaped thickening protrusions 6 longitudinally arranged below the sieve plate body 5 is 330mm. The elasticity of the embedded ropes 7 is smaller than that of the sieve plate body 5.

Claims

1. The utility model provides a strenghthened type tensioning elasticity sieve, includes the sieve body (5) and installs hook board (1), is connected characterized by through overspeed device tensioner and sieve case curb plate (12): the sieve plate body (5) is made of square elastic materials, embedded steel plates (2) are arranged at the thickening positions of the two side edges of the sieve plate body (5), and the installation hook plate (1) is connected with the embedded steel plates (2) through bolts (3) and nuts (4); strip-shaped thickening protrusions (6) which are contacted with the supporting device (9) are longitudinally and uniformly arranged below the sieve plate body (5); and a pre-buried rope (7) for increasing the strength of the sieve plate is arranged in the transverse position of the sieve plate body (5) and penetrates through the sieve plate body (5).

2. A reinforced tensioned elastic screen panel in accordance with claim 1 wherein: the elastic material constituting the screen plate body (5) is rubber or polyurethane.

3. A reinforced tensioned elastic screen panel in accordance with claim 1 wherein: the sieve holes (8) on the sieve plate body (5) are sieve holes with small upper part and big lower part formed by the cylindrical surface at the upper end and the conical surface at the lower end; the shape of the sieve holes (8) is round holes, square holes or elliptical holes.

4. A reinforced tensioned elastic screen panel in accordance with claim 1 wherein: and the embedded steel plate (2) is provided with a process hole (2-3) or a process column (2-2) for increasing the bonding strength.

5. A reinforced tensioned elastic screen panel in accordance with claim 1 wherein: the interval between the strip-shaped thickening protrusions (6) longitudinally arranged below the sieve plate body (5) is 300-350 mm.

6. A reinforced tensioned elastic screen panel in accordance with claim 1 wherein: the elasticity of the embedded rope (7) is smaller than that of the sieve plate body (5).