CN210449854U

CN210449854U - Improved Bronst BHX screen

Info

Publication number: CN210449854U
Application number: CN201920788289.6U
Authority: CN
Inventors: 王力生
Original assignee: Machtec Tianjin Petroleum Equipment Co ltd
Current assignee: Machtec Tianjin Petroleum Equipment Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-05
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a modified Brown's BHX screen cloth, including plastic frame, stainless steel mesh cloth, metal crate has been inlayed in the plastic frame, be fixed with a plurality of vertically and horizontally staggered's grid strip on the plastic frame inner wall, it is a plurality of grid strip constitutes a plurality of rectangle holes, middle part in the frame and be fixed with the bar muscle respectively on two grid strip backs along length direction, plastic frame's top surface direct heating 200 ℃ back is fixed with the direct bonding of stainless steel mesh cloth, metal crate is formed by many tubular metal resonator welds, it is protruding to be fixed with the anticreep of a plurality of equidistant range on the outer wall of tubular metal resonator. The utility model discloses not only whole light in weight, preparation simple process, with low costs adopt plastic frame not rusty, do not have the problem of corruption moreover.

Description

Improved Bronst BHX screen

Technical Field

The utility model relates to a screen cloth preparation technical field, concretely relates to modified Brown special BHX screen cloth.

Background

Currently, in the field of oil drilling machinery, a branst screen is used in a steel frame structure. The screen mesh structure is formed by using a frame structure formed by welding 20-by-20 carbon steel square tubes as a back support, bonding a cold-rolled carbon steel punched steel plate with the thickness of 2mm on one surface of the frame structure as a back lining for bonding stainless steel mesh cloth, and finally bonding the stainless steel mesh cloth on the steel plate back lining. The disadvantages of this construction screen are as follows:

1. the weight of the screen is large, which is not beneficial to the screening efficiency of the vibrating screen; and the manual replacement of the screen is laborious.

2. The screen mesh backing with the structure adopts a square tube welding structure, so that welding thermal deformation is easy to generate, the flatness of mesh cloth bonding is not facilitated, and the mesh cloth is easy to loosen;

3. the screen mesh with the structure needs a series of processes such as sand blasting, plastic spraying, glue distribution and the like, and has complex manufacturing process and higher cost. It is therefore desirable to provide a screen that is simple in process and inexpensive to manufacture.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides a modified Brown's BHX screen cloth, not only whole light in weight, preparation simple process, with low costs adopt the plastic frame not rusty moreover, do not have the problem of corruption.

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

the utility model provides a modified Brown's BHX screen cloth, includes plastic frame, stainless steel mesh cloth, metal crate has been inlayed in the plastic frame, be fixed with a plurality of vertically and horizontally staggered's grid strip on the plastic frame inner wall, it is a plurality of grid strip constitutes a plurality of rectangle check holes, middle part in the plastic frame just is fixed with the bar muscle respectively on two grid strip backs along length direction, the top surface direct heating 200 ℃ back of plastic frame is fixed with the direct bonding of stainless steel mesh cloth, metal crate is formed by many tubular metal resonator welds, it is protruding to be fixed with the anticreep of a plurality of equidistant range on the outer wall of tubular metal resonator.

In any of the above aspects, it is preferred that the metal tube has a cross-sectional dimension of 20 x 20 mm.

In any one of the above aspects, preferably, the anti-slip protrusion is one of a truncated cone and a truncated pyramid.

In any of the above embodiments, the plastic frame is preferably formed by pouring polypropylene plastic in a molten state onto the outer circumferential wall of the metal frame and solidifying the polypropylene plastic.

In any of the above schemes, preferably, the back parts of the two ends of the plastic frame along the length direction are respectively provided with an inward concave groove handle.

In any of the above aspects, preferably, the plastic frame has a length of 1250mm and a width of 634mm, and the rectangular cells have a length and a width of 85 × 20 mm.

Compared with the prior art, the utility model provides an improved Brown's BHX screen cloth has following beneficial effect:

1. the plastic frame made of polypropylene materials can be directly bonded and fixed with stainless steel wire gauze after the top surface of the plastic frame is directly heated to 200 ℃, and the bonding mode has the advantages of simple process, low cost, firm bonding quality, no rusting and corrosion problems, no need of treatment of processes such as sand blasting, plastic spraying and the like, simplified manufacturing procedures, improved production efficiency, light overall weight of the screen, contribution to improving the screening efficiency of the vibrating screen, and more convenience and easiness for workers to replace the screen;

2. the metal frame is embedded in the plastic frame, so that the overall structural strength of the plastic frame is enhanced, and the anti-falling bulge is arranged on the outer wall of the metal pipe, so that the plastic frame can be prevented from being separated from the metal frame, and the overall strength of the screen is enhanced;

3. through the design of rectangle check hole, enlarged the sieve area of screen cloth.

Drawings

FIG. 1 is a schematic diagram of the overall construction of a preferred embodiment of an improved Bronst BHX screen provided by the present invention;

fig. 2 is a schematic structural view of the connection between the metal frame and the plastic frame in the embodiment shown in fig. 1.

The figures are labeled as follows: 1. a plastic frame; 2. a bar-shaped rib; 3. rectangular grid holes; 4. grid bars; 5. a groove handle; 6. The anti-drop bulge; 7. a metal tube.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1-2, an embodiment of the improved brant BHX screen according to the present invention comprises a plastic frame 1 and a stainless steel wire mesh, wherein a metal frame is embedded in the plastic frame 1, a plurality of criss-cross grid bars 4 are fixed on an inner wall of the plastic frame 1, the grid bars 4 form a plurality of rectangular grid holes 3, bar-shaped ribs 2 are respectively fixed on the back surfaces of two grid bars 4 along a length direction at a middle portion in the plastic frame, the bar-shaped ribs 2 are used for increasing the structural strength of the screen, the top surface of the plastic frame 1 is directly heated to 200 ℃ and then directly bonded and fixed with the stainless steel wire mesh, the bonding method has a simple process, low cost and firm bonding quality, the metal frame is formed by welding a plurality of metal tubes 7, a plurality of anti-falling protrusions 6 arranged at equal intervals are fixed on the outer wall of the metal tubes 7, the anti-falling bulge 6 is one of a cone frustum and a quadrangular frustum, and the plastic frame 1 is formed by pouring molten polypropylene plastic on the peripheral wall of the metal frame and solidifying the molten polypropylene plastic. With metal crate embedded the holistic structural strength of plastic crate 1 that has strengthened in plastic crate 1 to set up anticreep arch 6 on the outer wall of tubular metal resonator 7, can hinder breaking away from of plastic crate 1 and metal crate, be favorable to strengthening the bulk strength of screen cloth equally.

The cross-sectional dimension of the metal tube 7 is 20 x 20 mm.

The back parts of the two ends of the plastic frame 1 along the length direction are respectively provided with an inwards concave groove handle 5, so that workers can conveniently lift the screen.

The length of the plastic frame is 1250mm, the width is 634mm, the length and the width of the rectangular grid holes 3 are 85 x 20mm, and the design of the rectangular grid holes 3 enlarges the sieving area of the sieve.

Compared with the prior art, the embodiment has the following beneficial effects:

the plastic frame made of polypropylene materials can be directly bonded and fixed with stainless steel wire gauze after the top surface of the plastic frame is directly heated to 200 ℃, and the bonding mode has the advantages of simple process, low cost, firm bonding quality, no rusting and corrosion problems, no need of treatment of processes such as sand blasting, plastic spraying and the like, simplified manufacturing procedures, improved production efficiency, light overall weight of the screen, contribution to improving the screening efficiency of the vibrating screen, and more convenience and easiness for workers to replace the screen; the metal frame is embedded in the plastic frame, so that the overall structural strength of the plastic frame is enhanced, the anti-falling protrusions are arranged on the outer wall of the metal pipe, the plastic frame can be prevented from being separated from the metal frame, and the overall strength of the screen mesh is enhanced.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An improved Bronst BHX screen, characterized in that: including plastic frame, stainless steel wire net cloth, metal frame has been inlayed in the plastic frame, be fixed with a plurality of vertically and horizontally staggered's grid strip on the plastic frame inner wall, it is a plurality of the grid strip constitutes a plurality of rectangle check holes, middle part in the plastic frame just is fixed with the bar muscle on two grid strip backs along length direction respectively, the top surface direct heating of plastic frame 200 ℃ back and stainless steel wire net cloth directly bond fixedly, metal frame is formed by many tubular metal resonator welds, it is protruding to be fixed with the anticreep of a plurality of equidistant ranges on the outer wall of tubular metal resonator.

2. The improved Bronsted BHX screen of claim 1, wherein: the cross-sectional dimension of the metal tube is 20 x 20 mm.

3. The improved Bronsted BHX screen of claim 1, wherein: the anti-falling bulge is one of a cone frustum and a quadrangular frustum.

4. The improved Bronsted BHX screen of claim 1, wherein: the plastic frame is formed by pouring molten polypropylene plastic on the peripheral wall of the metal frame and solidifying the molten polypropylene plastic.

5. The improved Bronsted BHX screen of claim 1, wherein: the back parts of the two ends of the plastic frame along the length direction are respectively provided with an inward concave groove handle.

6. The improved Bronsted BHX screen of claim 1, wherein: the length of the plastic frame is 1250mm, the width is 634mm, and the length and width of the rectangular grid hole is 85 x 20 mm.