CN216137671U

CN216137671U - Tension type polyurethane screen mesh

Info

Publication number: CN216137671U
Application number: CN202121627725.5U
Authority: CN
Inventors: 程尧; 马险峰; 程舜禹; 纵兆申
Original assignee: Anhui Fangyuan Yizhi Screening Technology Co ltd
Current assignee: Anhui Fangyuan Yizhi Screening Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-29
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a tension type polyurethane screen, which solves the problem that the existing screen is inconvenient to install and is characterized by comprising a framework and a screening area; the framework comprises edge tensioning bent iron, a steel wire rope and a cold-drawn steel wire; the edge tensioning bent irons are arranged at two ends of the screening area and comprise C-shaped grooves and stretching plates, the stretching plates are vertically arranged at the lower parts of back plates of the C-shaped grooves, and bolt holes are uniformly formed in the stretching plates; two ends of the steel wire rope are fixed in the bolt holes to form a latitudinal framework of the screen; forming a warp-wise framework of the screen by cold drawing the steel wires; the screening area is formed by pouring a polyurethane material, and the steel wire rope and the cold-drawn steel wire are coated in the polyurethane material. The C-shaped groove of the utility model changes the original fixed bolt hole into the bolt position which can be conveniently adjusted according to the hole opening condition of the side plate of the screening machine, simplifies the mapping and is beneficial to realizing the standardization of the fixed bent iron processing; the working strength of workers is reduced, and the processing technology is optimized.

Description

Tension type polyurethane screen mesh

Technical Field

The utility model relates to the field of material screening equipment, in particular to a tensioning type polyurethane screen.

Background

The tensioning type mounting method is widely applied to mounting of screen meshes such as rubber, polyurethane, metal bar screens, metal woven screens, polyurethane bar fusion welding screens and the like. The traditional installation mode of the tensioning screen is that a tensioning hook is arranged on the edge of the screen, and in addition, an Contraband-shaped fixed bent iron and a carriage bolt are fixed on a screen machine wall plate. The fixed bent iron comprises an upper supporting plate, a vertical plate and a lower hook plate. The specific fixing method is that a lower hook plate hooks a screen tensioning hook, an upper supporting plate is supported on a wall plate of the screening machine, bolt holes are uniformly formed in a vertical plate, and carriage bolts penetrate through the bolt holes of the vertical plate into holes of the wall plate and penetrate out of the holes. The whole screen surface is in a tensioning state by tightening the carriage bolts at the two ends of the screen, so that the purpose of fixing the screen is achieved, and the screening of materials and the service life of the screen are facilitated. This screen mounting method has a drawback when installing: different reinforcing ribs are arranged on the wall plate of the screening machine for reinforcement, bolt holes in the tensioning plate cannot be accurately positioned and standardized during design, and bolt holes of each fixed bent iron are not necessarily the same, so that trouble is brought to installation; thirdly, in order to achieve the purpose of tensioning the screen, the screen and the fixed bent iron are designed in a split mode, the structure is complex, and the difficulty of processing, transporting and installing is increased.

Disclosure of Invention

The utility model provides a tensioning type polyurethane screen for overcoming the defects in the prior art, which simplifies the mounting structure of the screen, reduces mounting accessories, reduces the workload of screen mounting and maintenance and realizes the standardized production of the tensioning type screen.

The utility model provides a tension type polyurethane screen which characterized in that: comprises a framework and a screening area; the framework comprises edge tensioning bent iron, a steel wire rope and a cold-drawn steel wire; the two edge tensioning bent irons are arranged at two ends of the screening area and comprise C-shaped grooves and stretching plates, the stretching plates are vertically arranged at the lower parts of back plates of the C-shaped grooves and form a whole with the C-shaped grooves, and bolt holes are uniformly formed in the stretching plates; two ends of the steel wire rope are pressed into cable buckles by aluminum buckles and are respectively fixed in bolt holes of the stretching plate by bolts to form a latitudinal framework of the screen; the screening area is formed by pouring a polyurethane material, and the steel wire rope and the cold-drawn steel wire are coated in the polyurethane material; the screening area is provided with different screen holes according to different screening requirements; set up the blind area between the sieve district, the blind area is as the support rib, the cold drawn steel wire is placed in support rib department, forms the warp direction skeleton of screen cloth.

Furthermore, the tensioning type polyurethane screen cloth is tiled on the screen cloth supporting frame, the screen cloth supporting frame is welded on a crossbeam of the screening machine, edge tensioning bent irons at two ends of the tensioning type polyurethane screen cloth are placed on the inner side angle steel of the side plate of the screening machine, T-shaped bolts are arranged in C-shaped grooves, the T-shaped bolts can be conveniently fixed on the side plate of the screening machine through bolt holes formed in the side plate of the screening machine in a sliding mode, and the tensioning type polyurethane screen cloth is tensioned through fastening bolts.

Furthermore, the top of the screen support frame is provided with a rubber or polyurethane protective sleeve which is in contact with the bottom surface of the tension type polyurethane screen.

The utility model has the advantages that: 1. according to the utility model, through the arrangement of the C-shaped groove on the edge tensioning bent iron, the original fixed bolt hole is changed into a bolt hole which can be conveniently adjusted according to the hole opening condition of the side plate of the screening machine, so that the mapping of a designer is simplified, and the standardization of fixed bent iron processing is favorably realized; 2. the working strength of installation workers is reduced, oxygen cutting is not needed during installation, and time and maintenance cost are saved; 3. through the arrangement of the edge tensioning bent iron with a special structure, the functions of a tensioning hook and a fixed bent iron in the original mounting structure are replaced, the processing technology is optimized, and the problem that the edge mounting structure which cannot be solved by the original structure cannot be standardized and serialized is solved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of an edge tension bent iron.

Fig. 3 is a cross-sectional view of an edge tensioned iron bend.

Fig. 4 is a front view of the present invention.

Fig. 5 is a skeleton structural view of the present invention.

Fig. 6 is a schematic view of the mounting structure of the present invention.

Fig. 7 is an enlargement at a in fig. 6.

Fig. 8 is an enlargement at B in fig. 6.

In the figure, 1, a tension type polyurethane screen 2, a framework 3, a screening area 31, screen holes 32, support ribs 4, edge tension bent iron 41, a C-shaped groove 42, a tension plate 43, bolt holes 5, a steel wire rope 6, a cold-drawn steel wire 7, bolts 8, T-shaped bolts 9, a screen machine side plate 10, angle steel 11, a screen support frame 12 and a protective sleeve.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1, a tension type polyurethane screen 1 comprises a framework 2 and a middle screening area 3. The framework 2 comprises an edge tensioning bent iron 4, a steel wire rope 5 and a cold-drawn steel wire 6; as can be seen from fig. 4 or 5, two edge tension bending irons 4 are provided at both ends of the screening area 3. The two ends of the cold-drawn steel wire 6 are bent into right angle bends of about 10 mm, the length of each right angle bend is slightly shorter than the width of the screen, the right angle bends are directly placed on the steel wire rope 5 before the polyurethane raw material is poured, the direction of each right angle bend is perpendicular to the steel wire rope 5, the right angle bends are placed at the blind area supporting ribs of the screen, the blind area supporting ribs are covered in the polyurethane raw material after the polyurethane raw material is poured, the polyurethane raw material, the steel wire rope 5, the raw material and the like are integrated, and the blind area is reinforced and supported.

As shown in fig. 2 and 3, the edge tension bent iron 4 is P-shaped, and includes a C-shaped groove 41 and a stretching plate 42, wherein the stretching plate 42 is vertically arranged at the lower part of the back plate of the C-shaped groove 41, and forms an integral body with the C-shaped groove 41; bolt holes 43 are uniformly arranged on the stretching plate 42.

As shown in fig. 4, two ends of the expanded polyurethane screen 1 are provided with expanded bending irons 4, the middle part of the expanded polyurethane screen comprises a plurality of screening areas 3, and the screening areas 3 are provided with different screen holes 31 according to different screening requirements; the blind areas are arranged between the screening areas 3 and can be used as supporting ribs 32 and can be arranged at the supporting plate of the screening machine for tensioning and supporting the screen cloth so as to improve the strength of the screen cloth and prolong the service life of the screen cloth.

As shown in fig. 5, the framework 2 includes an edge tension bent iron 4, a steel wire rope 5, and a cold-drawn steel wire 6. Two ends of the steel wire rope 5 are pressed into cable buckles by aluminum buckles, and the cable buckles are respectively fixed in bolt holes 43 of the edge tension bent iron 4 by bolts 7 to form a latitudinal skeleton of the tension polyurethane screen mesh 1; and pouring polyurethane material at the position of the cold-drawn steel wire 6 to form a support rib 32, so as to form a warp-shaped framework of the tension type polyurethane screen 1.

As shown in figure 6, the length of the tension type polyurethane screen 1 is shorter than the size of an inner gear of a screening machine by 40-50mm, and the tension type polyurethane screen is arranged on a screen support frame 11 in a screen body of a vibrating screen. Referring to fig. 7, the edge tensioning bent iron 4 is covered on angle steel 10 on the side plate 9 of the screening machine, the T-shaped bolt 8 is installed in a C-shaped groove 41 of the tensioning bent iron 4, the head part of the T-shaped bolt passes through a bolt hole of the side plate 9 of the screening machine, and the tensioning and fixing purposes of the tensioning polyurethane screen 1 can be achieved by tightening the T-shaped bolts 41 on the two sides.

As shown in fig. 8, a protective sleeve 12 contacting with the bottom surface of the tensioned polyurethane screen 1 is arranged on the top of the screen support 11.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a tension type polyurethane screen which characterized in that: comprises a framework (2) and a screening area (3); the framework (2) comprises an edge tensioning bent iron (4), a steel wire rope (5) and a cold-drawn steel wire (6); the two edge tensioning bent irons (4) are arranged at two ends of the screening area (3) and comprise C-shaped grooves (41) and stretching plates (42), the stretching plates (42) are vertically arranged at the lower parts of back plates of the C-shaped grooves (41) and form a whole with the C-shaped grooves (41), and bolt holes (43) are uniformly formed in the stretching plates (42); two ends of the steel wire rope (5) are buckled into cable buckles by aluminum buckles, and the cable buckles are fixed in bolt holes (43) of the stretching plate (42) by bolts (7) respectively to form a latitudinal framework of the screen; the screening area (3) is formed by pouring a polyurethane material, and the steel wire rope (5) and the cold-drawn steel wire (6) are coated in the polyurethane material; the screening area (3) is provided with different screen holes (31) according to different screening requirements; set up the blind area between screening district (3), the blind area is as support rib (32), cold drawn steel wire (6) are placed in support rib (32) department, form the warp-wise skeleton of screen cloth.

2. The tensioned polyurethane screen of claim 1 wherein: the tension type polyurethane screen cloth (1) is tiled on the screen cloth support frame (11), the screen cloth support frame (11) is welded on a crossbeam of the screening machine, edge tension bent irons (4) at two ends of the tension type polyurethane screen cloth (1) are placed on angle steel (10) on the inner side of a side plate (9) of the screening machine, and T-shaped bolts (8) are arranged in C-shaped grooves (41) and are conveniently fixed on the side plate (9) of the screening machine through sliding.

3. The tensioned polyurethane screen of claim 1 wherein: the top of the screen support frame (11) is provided with a rubber or polyurethane protective sleeve (12) which is in contact with the bottom surface of the tension type polyurethane screen (1).