CN217857321U

CN217857321U - High-resilience anti-blocking hole polyurethane clearance staggered hole fiber rope screen

Info

Publication number: CN217857321U
Application number: CN202221862393.3U
Authority: CN
Inventors: 韩锋
Original assignee: ANPING HONGXING MESH MANUFACTURING CO LTD
Current assignee: ANPING HONGXING MESH MANUFACTURING CO LTD
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-22
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a wrong hole cordage screen cloth of stifled hole polyurethane boundary limit is prevented in high resilience, include: the screen comprises a screen main frame, a screen surface fixed in the screen main frame, an adjusting screen frame superposed on the top surface of the screen main frame, and an adjusting screen surface fixed in the adjusting screen frame; and the mesh surface of the screen is overlapped with the surface of the adjusting screen in a staggered manner. The utility model provides a screen cloth has wear-resisting, elasticity is high, toughness is strong, and sieve mesh deformability is strong, from the excellent advantage of cleaning effect, prevents the stifled hole phenomenon effectively, under the prerequisite that does not reduce screen cloth intensity, greatly reduced the weight of screen cloth, easy to assemble and maintenance have reduced the energy consumption of screen (ing) machine.

Description

High-resilience anti-blocking-hole polyurethane limiting staggered-hole fiber rope screen

Technical Field

The utility model belongs to material grading screening field especially relates to a wrong hole rope screen cloth of stifled hole polyurethane clearance is prevented to high resilience.

Background

The polyurethane high-resilience anti-blocking screen produced and used at present is a screen with a single fixed hole shape formed by pouring and vulcanizing a steel wire rope core coated polyurethane layer serving as a weft at a certain high temperature, a specially-made metal tensioning hook is arranged on the edge part of the screen, the screen is tensioned on a screen wallboard by a specially-made fixed bent iron and a tensioning bolt when in use, and the purposes of prolonging the service life of the screen and improving the wear resistance are achieved by utilizing the rigidity and the strength of the steel wire rope and the high wear resistance of polyurethane. However, the polyurethane high-resilience screen mesh with the polyurethane layer coated by the steel wire rope core used at present can have the following phenomena in the using process: because in order to improve the intensity and the screening precision of screen cloth wire side, the pass of screen cloth all is fixed shape mesh, and the longitude and latitude silk that constitutes the hole is the dislocation that does not allow to appear, and the pass is big end down, and wire rope is difficult for deformation at the vibration in-process as the screen cloth of skeleton, causes some to press from both sides downtheholely with the nearly sized particulate material of sieve mesh, is difficult for the thru hole, has the stifled hole phenomenon of large tracts of land to appear, causes the regional inefficacy of screening, influences screening efficiency, seriously influences the screening effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a wrong hole rope screen cloth of high resilience anti-blocking hole polyurethane boundary limit. The preparation method has the advantages of excellent high wear resistance, high resilience, strong toughness and self-cleaning property, and can effectively eliminate the hole blocking phenomenon of the screen surface, improve the screening effect, reduce the maintenance difficulty and improve the working efficiency.

In order to achieve the above object, the utility model provides a following scheme: a high resilience prevents alternate hole rope screen cloth of stifled hole polyurethane confined, includes:

the screen comprises a screen main frame, a screen surface fixed in the screen main frame, an adjusting screen frame superposed on the top surface of the screen main frame, and an adjusting screen surface fixed in the adjusting screen frame; and the mesh surface of the screen is overlapped with the surface of the adjusting screen in a staggered manner.

Preferably, the screen main frame is provided with fixing holes, the edge of the screen surface of the screen is connected with tensioning hooks, and the tensioning hooks are fixed on the fixing holes of the screen main frame through bolts.

Preferably, the mesh of the screening area of the screen is obtained by performing thermal welding on the mesh surface of the screen and the adjusting screen through warps and wefts, and the mesh is in an inverted cone shape.

Preferably, the mesh holes comprise warp fixing type holes and warp misplacement type holes;

the warp fixing holes and the warp dislocation holes are distributed in a crossed regular manner.

Preferably, the warp yarn is a frameless polyurethane warp yarn, and the weft yarn is a polyurethane rubber-coated steel wire fiber rope.

Preferably, the aperture of the screen surface of the screen is the same as that of the adjusting screen surface, and the aperture of the screen surface after the screen surface and the adjusting screen surface are overlapped in a staggered manner is half of that of the screen surface of the screen.

Preferably, four sides of the adjusting screen frame are respectively provided with a fixed bump, a bump clamping groove is formed in the position, corresponding to the bump, of the screen main frame, and the adjusting screen frame is clamped into the corresponding bump clamping groove and fixed with the screen main frame through the fixed bumps.

The utility model discloses a following technological effect:

1. the high-resilience anti-blocking hole polyurethane limiting staggered hole fiber rope screen has the advantages of wear resistance, high elasticity, strong toughness, strong screen hole deformation capacity and excellent self-cleaning effect, and is particularly suitable for grading materials with medium and fine granularity, irregular shape, water content, silt content and much dust;

2. the utility model is a great technical improvement to the existing polyurethane high-resilience composite screen, and the transverse tension strength and toughness of the screen are ensured by arranging the steel wire fiber rope polyurethane coating glue weft; the mesh formed by the polyurethane frameless warps and the polyurethane coated rubber wefts of the steel wire fiber rope is sequentially and transversely arranged according to a warp fixing hole and a warp dislocation hole, so that the integrity of the screen is ensured, transverse deformation is generated in the holes between the warps due to the elastic extension of the frameless polyurethane wefts, materials with the granularity close to the hole shape and the hole size can smoothly pass through the screen, and the screening efficiency is improved.

3. The sieve plate not only has excellent wear resistance, corrosion resistance, oil resistance and aging resistance, but also has strong toughness, and the steel wire fiber rope can generate strong secondary high resonance when the sieve plate vibrates, thereby effectively preventing the phenomenon of hole blockage.

4. Due to the design that one warp fixing hole and one warp misplacable hole are transversely arranged, the screen has high trafficability and high stability, and is beneficial to the material passing through.

5. The adoption of materials such as steel wire fiber ropes, polyurethane and the like greatly reduces the weight of the screen under the premise of not reducing the strength of the screen, is convenient to install and maintain, and reduces the energy consumption of the screen machine.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a top view of a screen according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a polyurethane adhesive-coated tension hook plate;

FIG. 3 is a view of a mesh structure;

wherein, 1-bolt, 2-tension hook, 3-warp fixing holes, 4-warp misplacable holes, 5-screen mesh surface and 6-polyurethane rubber-coated steel wire fiber rope weft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the utility model provides a wrong hole rope screen cloth of high resilience anti-blocking hole polyurethane boundary limit, include:

the screen comprises a screen main frame, a screen surface 5 fixed in the screen main frame, an adjusting screen frame superposed on the top surface of the screen main frame, and an adjusting screen surface fixed in the adjusting screen frame;

the screen cloth is characterized in that the screen cloth main frame is provided with fixing holes, the edge of the screen cloth surface 5 is connected with tensioning hooks 2, and the tensioning hooks 2 are fixed on the fixing holes of the screen cloth main frame through bolts.

The screen mesh surface 5 and the screen mesh surface are adjusted to obtain meshes of a screen mesh screening area through thermal welding of warps and wefts, and the meshes are inverted cones.

The meshes comprise warp yarn fixing holes and warp yarn dislocation holes;

The warp yarns are frameless polyurethane warp yarns, and the weft yarns are polyurethane rubber-coated steel wire fiber ropes.

Further optimizing the scheme, as shown in fig. 1-3, the polyurethane-limited staggered-hole fiber rope screen is composed of polyurethane aramid rope coated glue weft yarns, a polyurethane coated glue tensioning hook plate, bolts and frameless polyurethane warp yarns, the aramid rope polyurethane coated glue weft yarns are used as weft yarns, the polyurethane coated glue tensioning plate is used as reinforcement of the installation part of the edge part of the screen, and the frameless polyurethane warp yarns are used as warp yarns of the screen and are arranged in a screening area to form meshes with the fiber rope polyurethane coated glue weft yarns; the weft of the polyurethane rubber-coated steel wire fiber rope and the polyurethane frameless warp form a warp fixing hole 3, and one warp can be regularly arranged in the dislocation hole 4.

Further optimizing the scheme, all meshes of the polyurethane limiting staggered-hole fiber rope screen are sequentially and transversely arranged according to a warp yarn fixing hole and a warp yarn staggered-hole.

Further optimizing the scheme, the production process of the polyurethane clearance staggered hole fiber rope screen comprises the following steps of (1) casting and producing the polyurethane clearance staggered hole fiber rope screen on a vulcanization platform by taking a polyurethane rubber-coated steel wire fiber rope and a frameless polyurethane material as warp and weft yarns according to requirements; the polyurethane rubber-coated steel wire fiber rope must be pre-laid according to the specified external dimension; (2) And adjusting the height according to the size of the die, fixing the polyurethane rubber-coated steel wire fiber rope on the tensioning hook plate by using a bolt in advance, and checking the directions of warp and weft of the die.

4. Due to the design that one warp fixing hole and one warp staggered hole are transversely arranged, the screen has high trafficability and high stability, and is beneficial to the material passing through.

5. The adoption of materials such as steel wire fiber ropes and polyurethane greatly reduces the weight of the screen on the premise of not reducing the strength of the screen, is convenient to install and maintain, and reduces the energy consumption of the screening machine.

In the embodiment, the polyurethane rubber-coated steel wire fiber rope is used as the weft, so that the strength of the steel wire fiber rope and the high wear resistance of the polyurethane high polymer elastomer are fully utilized, and the strength and the service life of the screen are ensured; the polyurethane rubber-coated tensioning hook plate is adopted, so that the edge strength can be effectively enhanced, and the firmness and reliability of installation are improved; the mesh that adoption no skeleton polyurethane silk is woof and polyurethane cladding glue steel wire rope woof and constitutes carries out a warp fixed type hole and a warp can dislocation type hole and transversely arranges in proper order, not only can guarantee that the pass of screen cloth is neat, and the size meets the requirements, because there is elasticity in the polyurethane no skeleton warp moreover, but the warp can dislocation type hole has high trafficability characteristic again, when the material gets into the sieve mesh, can make the material bounce or pass through the sieve through deformation under the sieve machine vibration condition.

Further optimizing the scheme, the screen surface of the screen is overlapped with the surface of the adjusting screen in a staggered manner. The aperture of the screen surface of the screen is the same as that of the adjusting screen surface, and the aperture of the screen surface of the screen after being staggered and superposed with the adjusting screen surface is half of that of the screen surface of the screen.

Further optimize the scheme, be equipped with fixed lug on four sides of adjusting the screen cloth frame respectively, the screen cloth main frame with the lug corresponding position is seted up the lug draw-in groove, adjust the screen cloth frame through fixed lug card respectively go into corresponding lug draw-in groove with the screen cloth main frame is fixed.

In the embodiment, a main screen frame and an adjusting screen frame which are overlapped with each other are arranged, a screen surface of the screen and a screen surface of the adjusting screen are respectively fixed in the main screen frame and the adjusting screen frame, the screen surfaces of the screen and the adjusting screen are overlapped in a staggered manner, the apertures of the screen surfaces of the screen and the adjusting screen are the same, and when the apertures after the staggered overlapping are half of the apertures of the screen surfaces; in the use, be fixed with the screen cloth main frame of screen cloth wire side or be fixed with the equal exclusive use of adjusting screen cloth frame of adjusting screen cloth wire side, and when the screen cloth that needs use the mesh number for screen cloth wire side twice mesh number, overlap adjusting screen cloth frame on screen cloth main frame, it can to consolidate it through the draw-in groove simultaneously, it is extremely convenient to make up, and is extremely firm during the use, can reduce the cost of screen cloth at double.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a high stifled hole polyurethane boundary limit mistake hole cordage screen cloth is prevented in resilience which characterized in that includes:

the screen comprises a screen main frame, a screen surface fixed in the screen main frame, an adjusting screen frame superposed on the top surface of the screen main frame, and an adjusting screen surface fixed in the adjusting screen frame; the mesh surface of the screen is overlapped with the surface of the adjusting screen in a staggered manner;

the mesh of the screening area of the screen is obtained by the screen surface of the screen and the screen surface of the adjusting screen through the thermal fusion welding of warp yarns and weft yarns, and the mesh is in an inverted cone shape;

the meshes comprise warp yarn fixing holes and warp yarn dislocation holes;

the warp fixing holes and the warp dislocating holes are distributed in a crossed regular manner;

2. The high resilience anti-blocking hole polyurethane defined staggered hole fiber rope screen cloth according to claim 1,

the screen cloth is characterized in that fixing holes are formed in the screen cloth main frame, the edge of the net surface of the screen cloth is connected with tensioning hooks, and the tensioning hooks are fixed on the fixing holes of the screen cloth main frame through bolts.

3. The high resilience anti-blocking hole polyurethane defined staggered hole fiber rope screen cloth according to claim 1,

the aperture of the screen surface of the screen is the same as that of the adjusting screen surface, and the aperture of the screen surface of the screen after being staggered and superposed with the adjusting screen surface is half of that of the screen surface of the screen.

4. The high resilience anti-blocking hole polyurethane defined staggered hole fiber rope screen cloth according to claim 1,

the screen cloth adjusting device is characterized in that fixed lugs are arranged on four sides of the screen cloth adjusting frame respectively, lug clamping grooves are formed in the positions, corresponding to the lugs, of the screen cloth main frame, and the screen cloth adjusting frame is fixed through the corresponding lug clamping grooves, clamped by the fixed lugs, of the screen cloth main frame.