阅读说明：本技术 一种高强度高耐候性排水管及其制备方法 (High-strength and high-weather-resistance drain pipe and preparation method thereof ) 是由 赵志兴 吴才芳 于 2021-09-22 设计创作，主要内容包括：本发明公开了一种高强度高耐候性排水管及其制备方法,包括排水管本体,所述排水管本体内壁上部设置有内凸缘,所述排水管本体内壁固定安装有内环管,所述内环管内壁固定安装有若干叶轮片,且若干叶轮片等间距分布。本发明所述的一种高强度高耐候性排水管及其制备方法,通过在内环管内壁设置的若干叶轮片,可有效的阻止和消除噪声通过管道的直线传播,并且若干叶轮片和内环管共同构成螺旋结构,可便于水体通过叶轮片之间的螺旋通道以螺旋输送方式通过内环管进行传输,在实现有效隔音的同时保证水体的正常运输,便于大面积推广使用,提高排水管的耐候性,避免排水管快速老化,保证排水管的使用寿命。(The invention discloses a high-strength high-weather-resistance drain pipe and a preparation method thereof. According to the high-strength high-weather-resistance drain pipe and the preparation method thereof, the plurality of impeller blades are arranged on the inner wall of the inner ring pipe, so that the noise can be effectively prevented and eliminated from being transmitted linearly through a pipeline, the plurality of impeller blades and the inner ring pipe jointly form a spiral structure, a water body can be conveniently transmitted through the inner ring pipe in a spiral conveying mode through the spiral channel between the impeller blades, the normal transportation of the water body is guaranteed while effective sound insulation is realized, the large-area popularization and use are facilitated, the weather resistance of the drain pipe is improved, the rapid aging of the drain pipe is avoided, and the service life of the drain pipe is guaranteed.)

1. The utility model provides a high strength high weatherability drain pipe, includes drain pipe body (1), its characterized in that: the water draining pipe is characterized in that an inner flange (2) is arranged on the upper portion of the inner wall of the water draining pipe body (1), an inner ring pipe (3) is fixedly mounted on the inner wall of the water draining pipe body (1), a plurality of impeller blades (4) are fixedly mounted on the inner wall of the inner ring pipe (3), and the impeller blades (4) are distributed at equal intervals.

2. The high strength high weatherability drain pipe according to claim 1 wherein: the inner diameter of the upper end of the inner ring pipe (3) is larger than that of the lower end of the inner ring pipe (3).

3. The high strength high weatherability drain pipe according to claim 1 wherein: the width of the impeller blades (4) is gradually reduced from top to bottom.

4. The high strength high weatherability drain pipe according to claim 1 wherein: the impeller blades (4) are longitudinally distributed along the inner wall of the inner ring pipe (3) in the length direction.

5. A high strength high weatherability drain pipe according to any one of claims 1-4 wherein: the method comprises the following steps:

the method comprises the following steps: preparing raw materials: the raw materials are prepared according to the following weight proportion, 50-100 parts of PVC resin, 5-8 parts of MBS agent, 10-14 parts of glass fiber, 1-3 parts of flow modifier, 2 parts of antioxidant, 2-3 parts of copper stearate, 1-2 parts of melamine, 15-18 parts of filler, 2-3 parts of lubricant and 1-2 parts of flame retardant, and the prepared raw materials are dried at 35-40 ℃;

step two: hot mixing of raw materials: carrying out hot mixing and stirring operation on the raw materials by using a high-speed mixer, wherein the mixing time is 5-20min, and the hot mixing temperature is 110-140 ℃;

step three: cold mixing of raw materials: performing cold mixing and stirring operation on the raw materials by using a high-speed mixer, wherein the mixing time is 5-20min, and the cold mixing temperature is 2-5 ℃;

step four: extrusion operation: preheating each section of the extruder to a certain temperature, adding the cold-mixed raw materials into the extruder, melting and plasticizing the raw materials under the action of the extruder, introducing the melted and plasticized materials into a head die of the extruder, and extruding a heat pipe blank;

step five: secondary forming of a heat pipe blank: the servo motor component drives the inner rod body of the head die of the extruder to rotate, so that a plurality of impeller blades (4) are formed on the inner wall of the extruded heat pipe blank;

step six: sizing the pipe: shaping the heat pipe blank by a shaping device, and cooling by a cooling water tank after shaping to obtain a finished product pipe;

step seven: pipe traction: through draw gear, stretch and pull finished product tubular product, carry out secondary cooling through spraying cooling water to finished product tubular product when drawing tensile, finally pass through and the cutting obtains the drain pipe.

6. The high strength high weatherability drain pipe according to claim 5 wherein: and in the fifth step, the size of one side of the inner rod body, which is close to the drain pipe body (1), is gradually reduced to the size of one side, which is far away from the drain pipe body (1).

7. The high strength high weatherability drain pipe according to claim 5 wherein: and a plurality of grooves are formed in the outer surface of the inner rod body in the fifth step.

8. The high strength high weatherability drain pipe according to claim 5 wherein: the fillers in the step one are argil, mica and calcium carbonate.

9. The high strength high weatherability drain pipe according to claim 5 wherein: and in the first step, the lubricant is any one of stearic acid, paraffin, polyethylene wax and oxidized polyethylene.

10. The high strength high weatherability drain pipe according to claim 5 wherein: and in the first step, the fire retardant is iron powder and copper oxide.

Technical Field

The invention relates to the technical field of drain pipes, in particular to a high-strength high-weather-resistance drain pipe and a preparation method thereof.

Background

Drainage pipelines are taken as a branch of the water delivery field, and are increasingly emphasized nowadays when the industries such as residential buildings, municipal engineering, agriculture, gardens and the like are increasingly prosperous. For a long time, the drain pipe, particularly the installation of some middle and low-grade buildings, adopts an open installation mode, and some drain pipes are also used together with a rainwater pipe, so that the use requirement of the drain pipe is higher, and the existing drain pipe has the following problems in the use and preparation process: 1. the existing drain pipe does not have the noise reduction function in the drainage process, the noise is extremely high in the drainage operation, and the drainage operation of the drain pipe is often influenced for part of the drain pipes with the noise reduction function, so that the drain pipe is inconvenient to popularize and use; 2. the existing drain pipe has low strength, and is easy to break due to collision, extrusion and other conditions in the long-term use process, so that the service life of the drain pipe is influenced; 3. the existing drain pipe has weak weather resistance and is easy to age in the using process.

Disclosure of Invention

The invention mainly aims to provide a high-strength high-weather-resistance drain pipe and a preparation method thereof, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a high strength high weatherability drain pipe, includes the drain pipe body, drain pipe body inner wall upper portion is provided with the inner flange, drain pipe body inner wall fixed mounting has the inner ring pipe, inner ring pipe inner wall fixed mounting has a plurality of impeller blades, and a plurality of impeller blades equidistant distribution.

Preferably, the inner diameter of the upper end of the inner ring pipe is larger than that of the lower end of the inner ring pipe.

Preferably, the width of a plurality of impeller blades is gradually reduced from top to bottom.

Preferably, a plurality of impeller blades are longitudinally distributed along the inner wall of the inner ring pipe along the length direction.

Preferably, the method comprises the following steps:

the method comprises the following steps: preparing raw materials: the raw materials are prepared according to the following weight proportion, 50-100 parts of PVC resin, 5-8 parts of MBS agent, 10-14 parts of glass fiber, 1-3 parts of flow modifier, 2 parts of antioxidant, 2-3 parts of copper stearate, 1-2 parts of melamine, 15-18 parts of filler, 2-3 parts of lubricant and 1-2 parts of flame retardant, and the prepared raw materials are dried at 35-40 ℃;

step two: hot mixing of raw materials: carrying out hot mixing and stirring operation on the raw materials by using a high-speed mixer, wherein the mixing time is 5-20min, and the hot mixing temperature is 110-140 ℃;

step three: cold mixing of raw materials: performing cold mixing and stirring operation on the raw materials by using a high-speed mixer, wherein the mixing time is 5-20min, and the cold mixing temperature is 2-5 ℃;

step four: extrusion operation: preheating each section of the extruder to a certain temperature, adding the cold-mixed raw materials into the extruder, melting and plasticizing the raw materials under the action of the extruder, introducing the melted and plasticized materials into a head die of the extruder, and extruding a heat pipe blank;

step five: secondary forming of a heat pipe blank: the servo motor component drives an inner rod body of a head die of the extruder to rotate, so that a plurality of impeller blades are formed on the inner wall of an extruded heat pipe blank;

step six: sizing the pipe: shaping the heat pipe blank by a shaping device, and cooling by a cooling water tank after shaping to obtain a finished product pipe;

step seven: pipe traction: through draw gear, stretch and pull finished product tubular product, carry out secondary cooling through spraying cooling water to finished product tubular product when drawing tensile, finally pass through and the cutting obtains the drain pipe.

Preferably, the size of the inner rod body in the fifth step gradually decreases from the side close to the drain pipe body to the side far away from the drain pipe body.

Preferably, a plurality of grooves are formed on the outer surface of the inner rod body in the fifth step.

Preferably, the fillers in the first step are clay, mica and calcium carbonate.

Preferably, the lubricant in the first step is any one of stearic acid, paraffin wax, polyethylene wax and oxidized polyethylene.

Preferably, the flame retardant in the first step is iron powder and copper oxide.

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

1. according to the invention, the plurality of impeller blades are arranged on the inner wall of the inner ring pipe, so that the noise can be effectively prevented and eliminated from being transmitted linearly through the pipeline, and the plurality of impeller blades and the inner ring pipe jointly form a spiral structure, so that the water body can be conveniently transmitted through the inner ring pipe in a spiral conveying mode through spiral channels among the impeller blades, the sound insulation is effectively realized, the normal transportation of the water body is ensured, and the large-area popularization and use are facilitated.

2. According to the invention, the drain pipe is made of PVC resin as a base material, and glass fiber, argil, mica and calcium carbonate are added into the drain pipe, so that the strength of the drain pipe is increased, the drain pipe is prevented from being broken due to collision and extrusion and the like in a long-term use process, and the service life of the drain pipe is ensured.

3. According to the invention, the weather resistance of the drain pipe is improved by adding the copper stearate, the melamine and the antioxidant into the raw materials taking the PVC resin as the base material, and the prepared raw materials are subjected to hot mixing operation and cold mixing operation through the high-speed mixer, so that the weather resistance of the drain pipe is further improved, and the rapid aging of the drain pipe is avoided.

Drawings

FIG. 1 is an overall structural view of a high-strength high-weatherability drain pipe and a method for manufacturing the same according to the present invention;

FIG. 2 is a schematic structural view of another aspect of a high strength and high weather resistance drain pipe and a method for manufacturing the same according to the present invention;

FIG. 3 is a flow chart of the operation of the high-strength and high-weather-resistance drain pipe and the manufacturing method thereof according to the present invention.

In the figure: 1. a drain pipe body; 2. an inner flange; 3. an inner ring pipe; 4. impeller blades.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the technical solution provided in this embodiment is as follows:

the utility model provides a high strength high weatherability drain pipe, includes drain pipe body 1, and 1 inner wall upper portion of drain pipe body is provided with interior flange 2, and 1 inner wall fixed mounting of drain pipe body has interior ring canal 3, and 3 inner wall fixed mounting of interior ring canal have a plurality of impeller blades 4, and a plurality of impeller blades 4 equidistant distribution.

Specifically, referring to fig. 2, the inner diameter of the upper end of the inner ring pipe 3 is larger than the inner diameter of the lower end of the inner ring pipe 3; the width of the impeller blades 4 is gradually reduced from top to bottom; the impeller blades 4 are longitudinally distributed along the inner wall of the inner ring pipe 3 in the length direction.

In the specific embodiment of the invention, the impeller blades 4 arranged on the inner wall of the inner ring pipe 3 can effectively prevent and eliminate the linear transmission of noise through a pipeline, and the impeller blades 4 and the inner ring pipe 3 jointly form a spiral structure, so that the water body can be conveniently transmitted through the inner ring pipe 3 in a spiral conveying mode through spiral channels among the impeller blades 4, the sound insulation is effectively realized, and the normal transportation of the water body is ensured.

Specifically, please refer to fig. 3, which includes the following steps:

the method comprises the following steps: preparing raw materials: the raw materials are prepared according to the following weight proportion, 50-100 parts of PVC resin, 5-8 parts of MBS agent, 10-14 parts of glass fiber, 1-3 parts of flow modifier, 2 parts of antioxidant, 2-3 parts of copper stearate, 1-2 parts of melamine, 15-18 parts of filler, 2-3 parts of lubricant and 1-2 parts of flame retardant, and the prepared raw materials are dried at 35-40 ℃;

step two: hot mixing of raw materials: carrying out hot mixing and stirring operation on the raw materials by using a high-speed mixer, wherein the mixing time is 5-20min, and the hot mixing temperature is 110-140 ℃;

step three: cold mixing of raw materials: performing cold mixing and stirring operation on the raw materials by using a high-speed mixer, wherein the mixing time is 5-20min, and the cold mixing temperature is 2-5 ℃;

step four: extrusion operation: preheating each section of the extruder to a certain temperature, adding the cold-mixed raw materials into the extruder, melting and plasticizing the raw materials under the action of the extruder, introducing the melted and plasticized materials into a head die of the extruder, and extruding a heat pipe blank;

step five: secondary forming of a heat pipe blank: the servo motor component drives the inner rod body of the head die of the extruder to rotate, so that a plurality of impeller blades 4 are formed on the inner wall of the extruded heat pipe blank;

step six: sizing the pipe: shaping the heat pipe blank by a shaping device, and cooling by a cooling water tank after shaping to obtain a finished product pipe;

step seven: pipe traction: through draw gear, stretch and pull finished product tubular product, carry out secondary cooling through spraying cooling water to finished product tubular product when drawing tensile, finally pass through and the cutting obtains the drain pipe.

Specifically, referring to fig. 2, in the fifth step, the size of the inner rod body is gradually reduced from the side close to the drain pipe body 1 to the side far away from the drain pipe body 1; a plurality of grooves are formed in the outer surface of the inner rod body in the fifth step; in the first step, the fillers are argil, mica and calcium carbonate; in the first step, the lubricant is any one of stearic acid, paraffin, polyethylene wax and oxidized polyethylene; in the first step, the fire retardant is iron powder and copper oxide.

In the embodiment of the invention, the prepared raw materials are subjected to hot mixing operation and cold mixing operation in a high-speed mixer, so that the temperature resistance of the raw materials is improved, and finally, the prepared and formed drain pipe has excellent weather resistance.

The invention relates to a high-strength high-weatherability drain pipe and a preparation method thereof, wherein the drain pipe comprises the following raw materials, by weight, 50-100 parts of PVC resin, 5-8 parts of MBS agent, 10-14 parts of glass fiber, 1-3 parts of flow modifier, 2 parts of antioxidant, 2-3 parts of copper stearate, 1-2 parts of melamine, 15-18 parts of filler, 2-3 parts of lubricant and 1-2 parts of flame retardant, the prepared raw materials are dried at 35-40 ℃, then a high-speed mixer is used for carrying out hot mixing and stirring operation on the raw materials, the mixing time is 5-20min, the hot mixing temperature is 110-140 ℃, then the high-speed mixer is used for carrying out cold mixing and stirring operation on the raw materials, the mixing time is 5-20min, the cold mixing temperature is 2-5 ℃, each section of an extruder is preheated to a certain temperature, the method comprises the steps of adding cold-mixed raw materials into an extruder, melting and plasticizing the raw materials under the action of the extruder, introducing the materials subjected to melting and plasticizing into a head die of the extruder, extruding a heat pipe blank, driving an inner rod of the head die of the extruder to rotate by a servo motor assembly, forming a plurality of impeller blades 4 on the inner wall of the extruded heat pipe blank, shaping the heat pipe blank by a shaping device, cooling by a cooling water tank after shaping to obtain a finished pipe, stretching and drawing the finished pipe by a drawing device, secondarily cooling the finished pipe by spraying cooling water while drawing and drawing, and finally cutting to obtain a drain pipe.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.