阅读说明：本技术 一种耐磨钢丝网管管件及其生产工艺 (Wear-resistant steel wire mesh pipe fitting and production process thereof ) 是由 孙树金 刘志钢 李文宝 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种耐磨钢丝网管管件生产工艺,包括如下步骤：一、耐磨钢丝网管进行封口；二、耐磨钢丝网管第一次斜切,斜切沿耐磨钢丝网管的径向方向切割；三、耐磨钢丝网管斜切处预置中空耐磨环,并使中空耐磨环两端和耐磨钢丝网管相连接；四、耐磨钢丝网管设有缠绕车削层,缠绕车削层的两端分别大于第一次斜切口的两端；五、对耐磨钢丝网管进行第二次斜切,第二次斜切的位置和第一次斜切的位置相同,得第一段耐磨钢丝网管和第二段耐磨钢丝网管；六、使第一段耐磨钢丝网管的斜切面和第二段耐磨钢丝网管的斜切面进行热熔对接焊。本发明延长了管件的使用寿命,使管件的生产工艺简单、节省了时间、保证了环境的清洁,适用于耐磨钢丝网管管件生产。(The invention discloses a production process of a wear-resistant steel wire mesh pipe fitting, which comprises the following steps: firstly, sealing the wear-resistant steel wire mesh pipe; secondly, beveling the wear-resistant steel wire mesh pipe for the first time, wherein the beveling is cut along the radial direction of the wear-resistant steel wire mesh pipe; thirdly, presetting a hollow wear-resistant ring at the beveling position of the wear-resistant steel wire mesh pipe, and connecting two ends of the hollow wear-resistant ring with the wear-resistant steel wire mesh pipe; fourthly, the wear-resistant steel wire mesh pipe is provided with a winding turning layer, and two ends of the winding turning layer are respectively larger than two ends of the first inclined notch; fifthly, performing second beveling on the wear-resistant steel wire mesh pipe, wherein the position of the second beveling is the same as that of the first beveling, and obtaining a first section of wear-resistant steel wire mesh pipe and a second section of wear-resistant steel wire mesh pipe; and sixthly, performing hot-melt butt welding on the oblique cut surface of the first section of wear-resistant steel wire mesh pipe and the oblique cut surface of the second section of wear-resistant steel wire mesh pipe. The invention prolongs the service life of the pipe fitting, simplifies the production process of the pipe fitting, saves time, ensures the cleanness of the environment, and is suitable for the production of wear-resistant steel wire mesh pipe fittings.)

1. A production process of wear-resistant wire mesh pipe fittings is characterized by comprising the following steps: the method comprises the following steps:

firstly, respectively sealing two end faces of the wear-resistant steel wire mesh pipe (1);

step two, chamfering (5) the sealed wear-resistant steel wire mesh pipe (1) for the first time, wherein the chamfering (5) for the first time is cut along the radial direction of the wear-resistant steel wire mesh pipe (1);

thirdly, presetting a hollow wear-resistant ring (3) at the first beveling (5) of the wear-resistant steel wire mesh pipe (1), and respectively connecting two ends of the hollow wear-resistant ring (3) with the corresponding wear-resistant steel wire mesh pipes (1);

fourthly, a winding turning layer (4) is arranged on the outer surface of the wear-resistant steel wire mesh pipe (1), and two ends of the winding turning layer (4) are respectively larger than two ends of the first beveling opening (5);

fifthly, performing second beveling (6) on the wear-resistant steel wire mesh pipe (1) obtained in the fourth step, wherein the position of the second beveling (6) is the same as that of the first beveling (5), and obtaining a first section of wear-resistant steel wire mesh pipe (104) and a second section of wear-resistant steel wire mesh pipe (105);

and step six, performing hot-melt butt welding on the oblique plane of the first section of wear-resistant steel wire mesh pipe (104) and the oblique plane of the second section of wear-resistant steel wire mesh pipe (105).

2. The production process of the wear-resistant wire mesh pipe fitting according to claim 1, characterized in that: the wear-resistant steel wire mesh pipe (1) comprises an inner wall (102), an outer wall (101) and an intermediate layer (103), wherein the inner wall (102) is a wear-resistant material layer, the outer wall (101) is a polyethylene layer, and the intermediate layer (103) is a steel wire mesh reinforcing layer.

3. A process for producing a wear-resistant wire mesh pipe fitting according to claim 2, characterized in that: in the first step, the sealing is performed by a sealing ring (2), and the sealing ring (2) is made of wear-resistant materials with the same inner wall as the wear-resistant steel wire mesh pipe (1).

4. A process for producing a wear-resistant wire mesh pipe fitting according to claim 2, characterized in that: the hollow wear-resistant ring (3) in the third step is made of wear-resistant materials with the same inner wall as the wear-resistant steel wire mesh pipe (1).

5. A process for producing a wear-resistant wire mesh pipe fitting according to claim 2, characterized in that: and in the fourth step, the winding turning layer (4) is formed by adopting the same material as the outer wall of the wear-resistant steel wire mesh pipe (1).

6. A process for producing a wear-resistant wire mesh pipe fitting according to claim 2, characterized in that: and in the fourth step, the thickness of the winding and turning layer (4) is more than or equal to the thickness of the pipe wall of the polyethylene plastic pipe with the same pressure grade.

7. A process for producing a wear-resistant wire mesh pipe fitting according to claim 2, characterized in that: in the fifth step, the width of the second beveling (6) is smaller than the length of the hollow wear-resisting ring (3), and the hollow wear-resisting ring (3) at the beveling end of the first section of wear-resisting steel wire mesh pipe (104) and the second section of wear-resisting steel wire mesh pipe (105) form a groove.

8. The wear-resistant wire mesh pipe fitting prepared by the production process of the wear-resistant wire mesh pipe fitting according to any one of claims 1 to 7, is characterized in that: the welding strength of the wear-resistant wire mesh pipe fitting (7) is not lower than the pressure grade of a pipeline system, and the inner wall wear-resistant layer of the wear-resistant wire mesh pipe fitting (7) is continuous and uniform.

9. A wear resistant wire mesh tube element according to claim 8, wherein: the wear-resistant steel wire mesh pipe fitting (7) comprises a bent pipe fitting (701) and an N-shaped through pipe fitting (702).

10. A wear resistant wire mesh tube element according to claim 9, characterized in that: the angle of the bent pipe fitting (701) is a, and the angle is more than 0 degree and less than or equal to 90 degrees; n of the N through pipe (702) is an integer larger than 2.

Technical Field

The invention belongs to the field of wear-resistant steel-plastic composite pipes, and particularly relates to a wear-resistant steel wire mesh pipe fitting and a production process thereof.

Background

The wear-resistant steel wire mesh pipe is gradually applied and popularized in the fields of tailing, mortar conveying and the like due to excellent wear resistance and corrosion resistance, most of the existing matched wear-resistant steel wire mesh pipe is steel-lined wear-resistant pipe fittings, the connection mode is flange connection, and the lining of the steel-lined wear-resistant pipe is easy to delaminate, so that the service life of the pipe fitting is short. At present, the company also adopts wear-resistant steel wire mesh pipe fittings with chamfered end surfaces for grooving and butt welding, but the grooving process has the problems of high grooving difficulty, long time consumption, poor working environment caused by plastic scraps generated in the polishing process during grooving and the like.

Disclosure of Invention

The invention provides a production process of a wear-resistant steel wire mesh pipe fitting, which solves the problems of delamination of a wear-resistant layer on the inner wall of the pipe fitting, large difficulty of a grooving process, long time consumption and poor environment.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a production process of a wear-resistant wire mesh pipe fitting comprises the following steps:

step one, respectively sealing two end faces of the wear-resistant steel wire mesh pipe;

step two, chamfering the sealed wear-resistant steel wire mesh pipe for the first time, wherein the chamfering for the first time is cut along the radial direction of the wear-resistant steel wire mesh pipe;

step three, prefabricating a hollow wear-resistant ring at the first beveling position of the wear-resistant steel wire mesh pipe, and respectively connecting two ends of the hollow wear-resistant ring with the corresponding wear-resistant steel wire mesh pipes;

fourthly, a winding turning layer is arranged on the outer surface of the wear-resistant steel wire mesh pipe, and two ends of the winding turning layer are respectively larger than two ends of the first inclined notch;

fifthly, performing second beveling on the wear-resistant steel wire mesh pipe obtained in the fourth step, wherein the position of the second beveling is the same as that of the first beveling, and obtaining a first section of wear-resistant steel wire mesh pipe and a second section of wear-resistant steel wire mesh pipe;

and step six, performing hot-melt butt welding on the oblique plane of the first section of wear-resistant steel wire mesh pipe and the oblique plane of the second section of wear-resistant steel wire mesh pipe.

Furthermore, the wear-resistant steel wire mesh pipe comprises an inner wall, an outer wall and an intermediate layer, wherein the inner wall is a wear-resistant material layer, the outer wall is a polyethylene layer, and the intermediate layer is a steel wire mesh reinforcing layer.

Further, in the step one, the sealing is performed by a sealing ring, and the sealing ring is made of the same wear-resistant material as the inner wall of the wear-resistant steel wire mesh pipe.

Furthermore, the hollow wear-resistant ring in the third step is made of the same wear-resistant material as the inner wall of the wear-resistant steel wire mesh pipe.

And further, in the fourth step, the winding and turning are made of the same materials as the outer walls of the wear-resistant steel wire mesh pipes.

Further, the thickness of the winding turning layer in the fourth step is larger than or equal to the thickness of the pipe wall of the polyethylene plastic pipe with the same pressure grade.

Further, in the fifth step, the width of the second beveling is smaller than the length of the hollow wear-resisting ring, and the hollow wear-resisting ring on the beveling surface of the first section of wear-resisting steel wire mesh pipe and the second section of wear-resisting steel wire mesh pipe forms a groove.

Furthermore, the welding strength of the wear-resistant wire mesh pipe fitting is not lower than the pressure grade of a pipeline system, and the inner wall wear-resistant layer of the wear-resistant wire mesh pipe fitting is continuous and uniform.

Further, the wear-resistant wire mesh pipe fitting comprises a bent pipe fitting and an N-shaped through pipe fitting.

Furthermore, the angle of bending the pipe fitting is a, and the angle is more than 0 degree and less than or equal to 90 degrees; n of the N through pipe fitting is an integer larger than 2.

As the invention adopts the invention, compared with the prior art, the invention has the technical progress that:

(1) the inner wall wear-resistant layer of the wear-resistant wire mesh pipe fitting is continuous and is not easy to separate, so that the service life of the wear-resistant wire mesh pipe fitting is ensured;

(2) the two ends of the wear-resistant steel wire mesh pipe fitting are respectively sealed, so that the corrosion resistance of the wear-resistant steel wire mesh pipe fitting is ensured;

(3) the two ends of the wear-resistant steel wire mesh pipe fitting are the same as the sizes and the materials of the ends of the wear-resistant steel wire mesh pipe fitting, and can be connected by adopting a capacitor sleeve;

(4) the production process of the invention replaces the step of slotting the beveled end face, and solves the problems of difficult slotting process, long time consumption and poor environment;

(5) the winding turning layer increases the pipe wall thickness of the beveled wear-resistant steel wire mesh pipe fitting, increases the contact area of hot-melt butt welding, and ensures the welding strength and the pipe fitting pressure-bearing requirement;

(6) the groove formed by the prefabricated hollow wear-resistant ring reserves a space for the extrusion of polyethylene molten materials to the inner wall in the hot-melting butt welding process, so that the wear-resistant layer is not extruded inwards and overflows, and the continuity and uniformity of the wear-resistant layer on the inner wall of the pipe fitting are ensured.

In conclusion, the invention prolongs the service life of the wear-resistant wire mesh pipe fitting, simplifies the production process of the wear-resistant wire mesh pipe fitting, saves time, ensures the cleanness of the environment and is suitable for the production of the wear-resistant wire mesh pipe fitting.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of seals at two ends of a wear-resistant wire mesh tube according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a first beveling of a wear-resistant wire mesh tube according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a hollow wear-resistant ring preset in the wear-resistant wire mesh tube of the embodiment of the invention;

FIG. 4 is a schematic structural view of a turning layer wound by a wear-resistant wire mesh tube in the embodiment of the present invention;

FIG. 5 is a schematic structural view of a second beveling of the wear-resistant wire mesh tube according to the embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a butt welding of a first section of wear-resistant wire mesh pipe and a second section of wear-resistant wire mesh pipe according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a wear-resistant wire mesh tube according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of a wear-resistant wire mesh tube fitting according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a bent pipe according to an embodiment of the present invention;

fig. 10 is a schematic structural view of an N-tube component according to an embodiment of the present invention.

Labeling components: 1-wear-resistant wire mesh pipe 101-outer wall, 102-inner wall, 103-middle layer, 104-first section wear-resistant wire mesh pipe, 105-second section wear-resistant wire mesh pipe, 2-sealing ring, 3-hollow wear-resistant ring, 4-winding turning layer, 5-first beveling, 6-second beveling, 7-wear-resistant wire mesh pipe fitting, 701-bending pipe fitting and 702-N through pipe fitting.

Detailed Description

The following description is given in conjunction with preferred embodiments of the present invention. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

Embodiment of wear-resistant steel wire mesh pipe fitting and production process thereof

The embodiment discloses a wear-resistant wire mesh pipe fitting and a production process thereof, and as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the production process of the wear-resistant wire mesh pipe fitting 7 comprises the following steps:

the first step is to select the qualified wear-resistant steel wire mesh pipe 1, preferably, the wear-resistant steel wire mesh pipe 1 comprises an inner wall 102, an outer wall 101 and an intermediate layer 103, wherein the inner wall 102 is a wear-resistant material layer, the wear-resistant material layer is preferably made of a weldable wear-resistant material, the outer wall 101 is a polyethylene layer, the intermediate layer 103 is a steel wire mesh reinforcing layer, and the wear-resistant material layer, the steel wire mesh reinforcing layer and the polyethylene layer which are used for producing the qualified wear-resistant steel wire mesh pipe 1 are a complete whole and have the characteristic of being not easy to separate. The two end faces of the wear-resistant steel wire mesh pipe 1 are respectively sealed, the sealing treatment is to treat the peripheral faces of the two ends of the wear-resistant steel wire mesh pipe 1, the sealing ring 2 and the wear-resistant steel wire mesh pipe 1 are fixedly connected through welding, the sealing ring 2 is made of a wear-resistant material, the wear-resistant material adopted by the sealing ring 2 is the same as the wear-resistant material of the inner wall 102 of the wear-resistant steel wire mesh pipe 1, so that the corrosion performance of the wear-resistant steel wire mesh pipe 1 is guaranteed, the continuity of the wear-resistant layer of the inner wall 102 of the wear-resistant steel wire mesh pipe 1 is guaranteed, and the integrity of the wear-resistant steel wire mesh pipe 1 and the sealing ring 2 is guaranteed.

Step two, carrying out primary beveling 5 on the wear-resistant steel wire mesh pipe 1 subjected to sealing treatment, wherein the wear-resistant steel wire mesh pipe 1 is cut by adopting a machine tool, preferably, the machine tool adopts a computer precision machine tool, and data needing to be cut, such as numerical values of width, depth, angle and the like, can be input through a control system of the computer precision machine tool by the arrangement, so that the cutting accuracy is improved; the beveling angle is set according to actual needs, the beveling 5 is cut along the radial direction of the wear-resistant steel wire mesh pipe 1 for the first time, the process replaces the grooving process before the existing hot-melt butt welding, the defects of large difficulty, long time consumption and poor operation environment of the grooving process are avoided, the environmental cleanliness is improved, the time is saved, and the working efficiency is improved.

And thirdly, presetting a hollow wear-resistant ring 3 at the first beveling 5 of the wear-resistant steel wire mesh pipe 1, wherein the hollow wear-resistant ring 3 is matched with the notch of the first beveling 5, preferably, the hollow wear-resistant ring 3 is made of a wear-resistant material, the wear-resistant material adopted by the hollow wear-resistant ring 3 is the same as that of the inner wall 102 of the wear-resistant steel wire mesh pipe 1, two ends of the hollow wear-resistant ring 3 are fixedly connected with the corresponding wear-resistant steel wire mesh pipe 1 in a welding mode respectively, the inner wall and the outer wall of the hollow wear-resistant ring 3 are flat and smooth with the inner wall 102 and the outer wall 101 of the wear-resistant steel wire mesh pipe 1 respectively, the integrity of the hollow wear-resistant ring 3 and the wear-resistant steel wire mesh pipe 1 is ensured, the environmental cleanliness is improved by the process, the time is saved, and the working efficiency is improved.

Forming a winding turning layer 4 on the outer surface of the wear-resistant steel wire mesh pipe 1 through a machine tool, wherein two ends of the winding turning layer 4 are respectively larger than two ends of the first beveling 5 cut, namely the winding turning layer 4 completely wraps the first beveling 5 cut, preferably, the material selected for the winding turning layer 4 is the same as the material of the outer wall 101 of the wear-resistant steel wire mesh pipe 1, namely polyethylene, the arrangement can increase the connection stability between the winding turning layer 4 and the outer wall 101 of the wear-resistant steel wire mesh pipe 1, and the integrity of the wear-resistant steel wire mesh pipe 1 is improved; the thickness of the winding turning layer 4 is preferably larger than or equal to the thickness of the pipe wall of the polyethylene plastic pipe with the same pressure grade, and the pressure-bearing strength of the wear-resistant steel wire mesh pipe fitting 7 after butt welding is ensured by the process.

Fifthly, performing secondary beveling 6 on the wear-resistant steel wire mesh pipe 1, preferably adopting the same computer precision machine tool for the secondary beveling 6 and the primary beveling 5, and avoiding data errors caused between different machine tools by the arrangement; the position of the second beveling 6 is the same as that of the first beveling 5, the angle of the second beveling 6 is cut according to the angle of manufacturing a wear-resistant steel wire mesh pipe fitting 7 according to actual requirements, preferably, the width of the second beveling 6 is smaller than the length of the hollow wear-resistant ring 3, the second beveling 6 comprises complete cutting and incomplete cutting, the complete cutting is to completely cut off the wear-resistant steel wire mesh pipe 1, and the beveling surface is flat and smooth; incomplete cutting means that the wear-resistant steel wire mesh pipe 1 is cut incompletely, one side of the wear-resistant steel wire mesh pipe 1 is kept in small connection, and a chute formed by the second beveling 6 is flat and smooth; obtaining a first section of wear-resistant steel wire mesh pipe 104 and a second section of wear-resistant steel wire mesh pipe 105 after chamfering 6 for the second time, wherein the chamfering end of the first section of wear-resistant steel wire mesh pipe 104 comprises a section of hollow wear-resistant ring 3, the chamfering end of the second section of wear-resistant steel wire mesh pipe 105 comprises a section of hollow wear-resistant ring 3, a groove is formed by each hollow wear-resistant ring 3, the depth of the groove of the first section of wear-resistant steel wire mesh pipe 104 is equal to the depth of the groove of the second section of wear-resistant steel wire mesh pipe 105, the depth of the groove of the first section of wear-resistant steel wire mesh pipe 104 can not be equal to the depth of the groove of the second section of wear-resistant steel wire mesh pipe 105, but the difference between the depth of the groove of the first section of wear-resistant steel wire mesh pipe 104 and the depth of the second section of wear-resistant steel wire mesh pipe 105 cannot exceed 1/2; the procedure ensures that the first section of wear-resistant wire mesh pipe 104 and the second section of wear-resistant wire mesh pipe 105 are convenient and simple to butt joint, and ensures the flat, smooth and complete butt welding surface.

Sixthly, performing hot-melt butt welding on the oblique plane of the first section of wear-resistant steel wire mesh pipe 104 and the oblique plane of the second section of wear-resistant steel wire mesh pipe 105; when hot-melt butt welding is carried out, through setting of technological parameters such as pressure, temperature and angle, the technological parameters such as pressure, temperature and angle during hot-melt butt welding are set to be common knowledge of technicians in the field; after the hot-melt butt welding process is finished, the welding strength of the wear-resistant wire mesh pipe fitting 7 is not lower than the pressure grade of the wear-resistant wire mesh pipe fitting 1 pipeline system, the wear-resistant layer of the inner wall 102 of the wear-resistant wire mesh pipe fitting 7 is continuous and uniform, and the angle of the wear-resistant wire mesh pipe fitting 7 meets the compound requirement; the winding turning layer 4 increases the pipe wall thickness of the beveled wear-resistant steel wire mesh pipe fitting 7, increases the contact area of hot melt butt welding, and ensures the welding strength and the pressure-bearing requirement of the wear-resistant steel wire mesh pipe fitting 7; the grooves formed by the hollow wear-resistant ring 3 at the inclined plane end of the first section of wear-resistant wire mesh pipe 104 and the hollow wear-resistant ring 3 at the inclined plane end of the second section of wear-resistant wire mesh pipe 105 respectively reserve a space for extruding polyethylene molten material to the inner wall 102 in the hot-melt butt welding process, so that the polyethylene molten material cannot extrude a wear-resistant layer inwards and overflow, and the continuous and uniform wear-resistant layer on the inner wall of the wear-resistant wire mesh pipe 7 is ensured.

Embodiment of the invention relates to a wear-resistant wire mesh pipe fitting

The embodiment discloses a wear-resistant wire mesh pipe fitting 7, as shown in fig. 7, fig. 8, fig. 9 and fig. 10, the wear-resistant wire mesh pipe fitting 7 manufactured by the above steps has the welding strength of the wear-resistant wire mesh pipe fitting 7 not lower than the pressure grade of a wear-resistant wire mesh pipe 1 pipeline system, and the inner wall wear-resistant layer of the wear-resistant wire mesh pipe fitting 7 is continuous and uniform, so that the inner wall wear-resistant layer of the wear-resistant wire mesh pipe fitting 7 is continuous and is not easy to separate, and the service life of the wear-resistant wire mesh pipe fitting 7 is ensured; the wear-resistant steel wire elbow pipe fitting 7 comprises an elbow pipe fitting 701 and an N-shaped through pipe fitting 702, the elbow pipe fitting 701 comprises an outlet and an inlet, namely the elbow pipe fitting 702 comprises two ports, the included angle between the elbow pipe fittings is a,0 degrees < a is less than or equal to 90 degrees, such as 22.5 degrees, 30 degrees, 45 degrees, 60 degrees, 90 degrees and the like; the N-way pipe 702 comprises a tee joint, a four-way joint, a five-way joint and an N-way joint, wherein N is an integer larger than 2; the arrangement of the bent pipe 701 and the N-shaped through pipe 702 improves the application range of the wear-resistant wire mesh pipe 7; when the device is used, firstly, a wear-resistant steel wire bent pipe fitting 7 which is matched with the wear-resistant steel wire mesh pipe 1 in the direction is selected, the size and the material of the two ends of the selected wear-resistant steel wire mesh pipe fitting 7 are the same as those of the wear-resistant steel wire mesh pipe 1, then the wear-resistant steel wire mesh pipe 1 and the wear-resistant steel wire mesh pipe fitting 7 are fixedly connected in a butt welding mode through a capacitor sleeve, and finally, the hot-melting butt welding end is cooled, so that the connection of the wear-resistant steel wire mesh pipe 1 and the wear-resistant steel wire mesh pipe fitting 7 is completed. The advantage of this embodiment is that with the above arrangement, the application range of the wear-resistant wire mesh pipe fitting 7 is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.