阅读说明：本技术 一种耐热抗老化pe给水管材料及其制备方法、装置 (Heat-resistant anti-aging PE (polyethylene) water supply pipe material and preparation method and device thereof ) 是由 张荣景 于 2021-07-02 设计创作，主要内容包括：本发明涉及PE管材制备技术领域,具体涉及一种耐热抗老化PE给水管材料及其制备方法、装置；通过第一出料管将进料箱内的聚乙烯树脂颗粒输送至混合箱的内部,利用多个第二出料管和第三出料管分别将粉末状化合物原料和液态化合物原料输送至连接管内,进而通过输出管输送至搅拌轴内,在利用动力组件通过从动齿部带动搅拌轴转动,使得搅拌扇叶转动的同时,在离心力的作用下,使得搅拌轴内的化合物原料,通过通孔输送至混合桶的内部,与混合桶内的聚乙烯树脂颗粒充分混合,使得混合更加均匀。(The invention relates to the technical field of PE pipe preparation, in particular to a heat-resistant anti-aging PE water supply pipe material and a preparation method and a device thereof; carry the inside to the mixing box through the polyethylene resin granule of first discharging pipe in with the feed box, utilize a plurality of second discharging pipes and third discharging pipe to carry powdered compound raw materials and liquid compound raw materials to the connecting tube respectively, and then carry to the (mixing) shaft in through the output tube, it drives the (mixing) shaft rotation through driven tooth portion to utilize power component, when making stirring fan blade pivoted, under the effect of centrifugal force, make the compound raw materials in the (mixing) shaft, carry to the inside of mixing drum through the through-hole, with the polyethylene resin granule intensive mixing in the mixing drum, make and mix more evenly.)

1. A heat-resistant anti-aging PE feed pipe material is characterized in that,

the heat-resistant anti-aging PE water supply pipe material comprises polyethylene resin, an antioxidant 1010, an auxiliary agent, a filling agent and polypropylene grafted maleic anhydride.

2. A method for preparing the heat-resistant anti-aging PE feed pipe material of claim 1, characterized by the following steps:

mixing polyethylene resin, an antioxidant 1010, an auxiliary agent, a filler and polypropylene grafted maleic anhydride at the temperature of 40-50 ℃ and the rotating speed of 500-1000r/min for 1-3min to obtain a mixture A;

conveying the mixture A to an extruder, wherein the temperature of an extruder barrel is 180 ℃ and 222 ℃, and the temperature of a machine head is 220 ℃ and 240 ℃ to obtain a fluid B;

injecting the fluid B into a mold, and carrying out neck mold molding, wherein the neck mold temperature is 180-;

vacuumizing the amorphous object C, setting the inner diameter and the outer diameter of the pipe at the vacuum degree of 0.02-0.07MPa, and obtaining a pipeline D;

and cooling the pipeline D, wherein the temperature of the cooling water is 15-25 ℃, and obtaining the anti-aging PE water supply pipe.

3. A manufacturing apparatus using the manufacturing method of a heat and aging resistant PE feed pipe material according to claim 2,

the preparation device of the heat-resistant anti-aging PE water supply pipe material comprises a support frame, a mixing barrel, a feeding box, a feeding barrel, a liquid storage box, a stirring device and a communicating pipe, wherein the mixing barrel is detachably connected with the support frame and is positioned above the support frame, an interlayer is arranged inside the mixing barrel, an electric heating wire is arranged in the interlayer, the feeding box, a plurality of feeding barrels and the liquid storage box are arranged at one end, away from a heating seat, of the mixing barrel, a first discharging pipe is arranged between the feeding box and the mixing barrel, second discharging pipes are arranged between the plurality of feeding barrels and the mixing barrel, a third discharging pipe is arranged on the liquid storage box, and the communicating pipe comprises an output pipe and a connecting pipe;

agitating unit includes (mixing) shaft, power component and stirring fan blade, the (mixing) shaft runs through the top of blending hopper, the one end of (mixing) shaft is provided with stirring fan blade, the other end of (mixing) shaft is provided with driven tooth portion, the top of blending hopper still is provided with power component, power component's output with driven tooth portion is corresponding, the (mixing) shaft is hollow structure setting, the (mixing) shaft is located the inside one end of blending hopper is provided with the through-hole, the one end of output tube is located the inside of (mixing) shaft, the other end of output tube is provided with the connecting pipe, be provided with a plurality of connectors on the connecting pipe, every the connector respectively with correspond the second discharging pipe with third discharging pipe flange joint.

4. A heat and ageing resistant PE feed pipe material manufacturing apparatus as claimed in claim 3,

the power assembly comprises a servo motor, a gear transmission case and an output gear, the servo motor is detachably connected with the mixing barrel and is positioned at the top of the mixing barrel, the output end of the servo motor is provided with the gear transmission case, the output end of the gear transmission case is provided with the output gear, and the output gear is meshed with the driven tooth part.

5. A heat and ageing resistant PE feed pipe material manufacturing apparatus as claimed in claim 3,

the quantity of through-hole is a plurality of, and is a plurality of through-hole evenly distributed is in the (mixing) shaft is located the one end of blending drum's inside, every all be provided with the filter screen on the through-hole.

6. A heat and ageing resistant PE feed pipe material manufacturing apparatus as claimed in claim 3,

the top of mixing barrel still is provided with the support, the one end of support with the top of mixing barrel is dismantled and is connected, the other end of support is provided with the standing groove, the standing groove is the slope structure setting, the conveyer pipe block is in the standing groove.

Technical Field

The invention relates to the technical field of PE pipe preparation, in particular to a heat-resistant anti-aging PE water supply pipe material and a preparation method and device thereof.

Background

The PE water supply pipe is formed by one-step extrusion molding of special polyethylene serving as a raw material through a plastic extruder. The method is mainly applied to urban water supply pipe networks, irrigation diversion projects, garbage disposal plants, sewage collection pipeline projects, agricultural irrigation projects and the like. The PE pipe has good sanitation, self-cleaning and antibiosis, and no scale formation after long-term use, thereby avoiding secondary pollution of drinking water and having a service life as long as 50 years.

In the preparation process of the PE water supply pipe, in order to enable the pipe to obtain better heat resistance and ageing resistance, more powdery and liquid compound raw materials are often added, but when the chemical compound raw materials and polyethylene resin particles are mixed in the existing PE water supply pipe, the polyethylene resin particles positioned at the bottom of a mixing barrel are often not uniformly mixed with the compound raw materials.

Disclosure of Invention

The invention aims to provide a heat-resistant anti-aging PE water supply pipe material and a preparation method and a device thereof, and solves the problem that the production efficiency is not ideal due to high manual participation and low intellectualization in the preparation process of the existing PE water supply pipe material in the prior art.

In order to achieve the purpose, the invention provides a heat-resistant anti-aging PE water supply pipe material which comprises polyethylene resin, an antioxidant 1010, an auxiliary agent, a filling agent and polypropylene grafted maleic anhydride.

The invention also provides a preparation method for preparing the heat-resistant anti-aging PE water supply pipe material, which comprises the following steps:

mixing polyethylene resin, an antioxidant 1010, an auxiliary agent, a filler and polypropylene grafted maleic anhydride at the temperature of 40-50 ℃ and the rotating speed of 500-1000r/min for 1-3min to obtain a mixture A;

conveying the mixture A to an extruder, wherein the temperature of an extruder barrel is 180 ℃ and 222 ℃, and the temperature of a machine head is 220 ℃ and 240 ℃ to obtain a fluid B;

injecting the fluid B into a mold, and carrying out neck mold molding, wherein the neck mold temperature is 180-;

vacuumizing the amorphous object C, setting the inner diameter and the outer diameter of the pipe at the vacuum degree of 0.02-0.07MPa, and obtaining a pipeline D;

and cooling the pipeline D, wherein the temperature of the cooling water is 15-25 ℃, and obtaining the anti-aging PE water supply pipe.

The invention also provides a preparation device using the preparation method of the heat-resistant anti-aging PE feed pipe material, the preparation device of the heat-resistant anti-aging PE water supply pipe material comprises a support frame, a mixing barrel, a feeding box, a feeding barrel, a liquid storage box, a stirring device and a communicating pipe, wherein the mixing barrel is detachably connected with the support frame, and is positioned above the supporting frame, an interlayer is arranged inside the mixing barrel, an electric heating wire is arranged in the interlayer, one end of the mixing barrel, which is far away from the heating seat, is provided with the feeding box, a plurality of feeding barrels and the liquid storage box, a first discharging pipe is arranged between the feeding box and the mixing barrels, a second discharging pipe is arranged between the plurality of feeding barrels and the mixing barrels, the liquid storage tank is provided with a third discharge pipe, and the communicating pipe comprises a discharge pipe and a connecting pipe;

agitating unit includes (mixing) shaft, power component and stirring fan blade, the (mixing) shaft runs through the top of blending hopper, the one end of (mixing) shaft is provided with stirring fan blade, the other end of (mixing) shaft is provided with driven tooth portion, the top of blending hopper still is provided with power component, power component's output with driven tooth portion is corresponding, the (mixing) shaft is hollow structure setting, the (mixing) shaft is located the inside one end of blending hopper is provided with the through-hole, the one end of output tube is located the inside of (mixing) shaft, the other end of output tube is provided with the connecting pipe, be provided with a plurality of connectors on the connecting pipe, every the connector respectively with correspond the second discharging pipe with third discharging pipe flange joint.

Through first discharging pipe will polyethylene resin particles in the feeding box carry extremely the inside of mixing box utilizes a plurality ofly the second discharging pipe with the third discharging pipe is carried powdered compound raw materials and liquid compound raw materials respectively extremely in the connecting tube, and then passes through the output tube is carried extremely in the (mixing) shaft, utilizing power component passes through driven tooth portion drives the (mixing) shaft rotates, makes when stirring fan blade rotates, under the effect of centrifugal force, makes compound raw materials in the (mixing) shaft, through the through-hole is carried extremely the inside of mixing drum, with polyethylene resin particles intensive mixing in the mixing drum for it is more even to mix.

The power assembly comprises a servo motor, a gear box and an output gear, the servo motor is detachably connected with the mixing barrel and is positioned at the top of the mixing barrel, the gear box is arranged at the output end of the servo motor, the output gear is arranged at the output end of the gear box, and the output gear is meshed with the driven tooth part.

And starting the servo motor, accelerating the output rotating speed of the servo motor by using the gear transmission box, and driving the driven tooth part to rotate through the output gear.

The mixing barrel is characterized in that the number of the through holes is multiple, the through holes are uniformly distributed at one end of the mixing shaft, which is positioned in the mixing barrel, and a filter screen is arranged on each through hole.

The quantity of through-hole is a plurality of for compound raw materials in the (mixing) shaft more smoothly carry extremely the inside of blending tank, every all be provided with on the through-hole the filter screen, thereby avoid the polyethylene resin granule to pass through the through-hole enters into the inside of (mixing) shaft.

The top of the mixing barrel is further provided with a support, one end of the support is detachably connected with the top of the mixing barrel, the other end of the support is provided with a placing groove, the placing groove is arranged in an inclined structure, and the conveying pipe is clamped in the placing groove.

Will the conveyer pipe card is in the standing groove, the standing groove is the slope structure setting to make the conveyer pipe is the slope structure setting, makes compound raw materials in the conveyer pipe more smooth and easy carry to the inside of (mixing) shaft.

The invention relates to a heat-resistant anti-aging PE feed pipe material and a preparation method and a device thereof, wherein a first discharge pipe is arranged between a feed box and a mixing barrel, a second discharge pipe is arranged between a plurality of feed barrels and the mixing barrel, a third discharge pipe is arranged on a liquid storage box, one end of a stirring shaft is provided with a stirring fan blade, the other end of the stirring shaft is provided with a driven tooth part, the top of the mixing barrel is also provided with a power assembly, the output end of the power assembly corresponds to the driven tooth part, the stirring shaft is arranged in a hollow structure, one end of the stirring shaft positioned in the mixing barrel is provided with a through hole, polyethylene resin particles in the feed box are conveyed to the inside of the mixing barrel through the first discharge pipe, and powdery compound raw materials and liquid compound raw materials are respectively conveyed into a connecting pipe by utilizing the second discharge pipes and the third discharge pipes, and then through the output tube carry to in the (mixing) shaft, utilize power component passes through driven tooth portion drives the (mixing) shaft rotates, makes when stirring fan blade rotates, under the effect of centrifugal force, make compound raw materials in the (mixing) shaft, through the through-hole carry to the inside of blending vessel, with polyethylene resin granule intensive mixing in the blending vessel makes the mixture more even.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.

FIG. 1 is a flow chart of the steps of the preparation method of the heat-resistant anti-aging PE feed pipe material provided by the invention.

FIG. 2 is a schematic structural diagram of a device for preparing a heat-resistant anti-aging PE feed pipe material provided by the invention.

Fig. 3 is an enlarged view of a portion of the structure of fig. 2 a according to the present invention.

FIG. 4 is a front view of a device for preparing a heat-resistant anti-aging PE feed pipe material provided by the present invention.

Fig. 5 is a sectional view of the inner structure taken along line a-a of fig. 4 according to the present invention.

Fig. 6 is a schematic view of the internal structure of the feeding box provided by the invention.

1-supporting frame, 2-mixing barrel, 21-electric heating wire, 3-feeding box, 31-first discharging pipe, 32-clapboard, 4-feeding barrel, 41-second discharging pipe, 5-liquid storage box, 51-third discharging pipe, 6-stirring device, 61-stirring shaft, 62-power component, 621-servo motor, 622-gear gearbox, 623-output gear, 63-stirring fan blade, 64-driven tooth part, 65-through hole, 66-filter screen, 7-communicating pipe, 71-output pipe, 72-connecting pipe, 721-connecting port, 8-bracket, 81-placing groove, 82-connecting plate, 83-supporting rod, 84-clamping block, 9-control panel, 91-metering valve, 3-feeding box, 9-first discharging pipe, 32-clapboard, 4-feeding barrel, 41-second discharging pipe, 5-liquid storage box, 51-third discharging pipe, 6-stirring device, 61-stirring shaft, 62-power component, 621-servo motor, 623-gear gearbox, 623-output gear, 63-stirring fan blade, 64-driven tooth part, 65-through hole, 66-filter screen, 7-communicating pipe, 71-connecting pipe, 72-connecting pipe, 721-connecting port, 8-bracket, 81-placing groove, 82-connecting plate, 83-supporting rod, 84-supporting rod, 9-control panel, 91-measuring valve, and the like, 92-weighing device, 921-weighing plate, 922-weighing sensor, 923-control valve, 924-delivery pipe and 93-electric control valve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, the present invention further provides a method for preparing the heat-resistant anti-aging PE water supply pipe material, comprising the following steps:

s1: mixing polyethylene resin, an antioxidant 1010, an auxiliary agent, a filler and polypropylene grafted maleic anhydride at the temperature of 40-50 ℃ and the rotating speed of 500-1000r/min for 1-3min to obtain a mixture A;

s2: conveying the mixture A to an extruder, wherein the temperature of an extruder barrel is 180 ℃ and 222 ℃, and the temperature of a machine head is 220 ℃ and 240 ℃ to obtain a fluid B;

s3: injecting the fluid B into a mold, and carrying out neck mold molding, wherein the neck mold temperature is 180-;

s4: vacuumizing the amorphous object C, setting the inner diameter and the outer diameter of the pipe at the vacuum degree of 0.02-0.07MPa, and obtaining a pipeline D;

s5: and cooling the pipeline D, wherein the temperature of the cooling water is 15-25 ℃, and obtaining the anti-aging PE water supply pipe.

In the embodiment, polyethylene resin, an antioxidant 1010, an auxiliary agent, a filling agent and polypropylene grafted maleic anhydride are mixed for 1-3min at the temperature of 40-50 ℃ and the rotation speed of 500-plus 1000r/min to obtain a mixture A, the mixture A is conveyed to an extruder, the temperature of a machine barrel is 180-plus 222 ℃, the temperature of a machine head is 220-plus 240 ℃ to obtain a fluid B, the fluid B is injected into a mold for neck mold forming, the temperature of the neck mold is 180-plus 200 ℃ to obtain an amorphous substance C, the amorphous substance C is vacuumized, the vacuum degree is 0.02-0.07MPa, the inner diameter and the outer diameter of a pipe are shaped to obtain a pipeline D, the pipeline D is cooled, and the temperature of cooling water is 15-25 ℃ to obtain the anti-aging PE water supply pipe.

Referring to fig. 2 to 6, the invention further provides a preparation device using the preparation method of the heat-resistant anti-aging PE water supply pipe material, the preparation device of the heat-resistant anti-aging PE water supply pipe material comprises a support frame 1, a mixing barrel 2, a feed box 3, a feed barrel 4, a liquid storage box 5, a stirring device 6 and a communicating pipe 7, the mixing barrel 2 is detachably connected with the support frame 1 and is positioned above the support frame 1, an interlayer is arranged inside the mixing barrel 2, an electric heating wire 21 is arranged in the interlayer, the feed box 3, a plurality of feed barrels 4 and liquid storage boxes 5 are arranged at one end of the mixing barrel 2 far away from the heating seat, a first discharge pipe 31 is arranged between the feed box 3 and the mixing barrel 2, and second discharge pipes 41 are arranged between the plurality of feed barrels 4 and the mixing barrel 2, a third discharge pipe 51 is arranged on the liquid storage tank 5, and the communicating pipe 7 comprises an output pipe 71 and a connecting pipe 72;

the stirring device 6 comprises a stirring shaft 61, a power assembly 62 and stirring blades 63, the stirring shaft 61 penetrates through the top of the mixing barrel 2, one end of the stirring shaft 61 is provided with the stirring fan blades 63, the other end of the stirring shaft 61 is provided with a driven tooth part 64, the top of the mixing barrel 2 is also provided with the power assembly 62, the output end of the power assembly 62 corresponds to the driven gear part 64, the stirring shaft 61 is arranged in a hollow structure, a through hole 65 is arranged at one end of the stirring shaft 61 positioned in the mixing barrel 2, one end of the output pipe 71 is positioned inside the stirring shaft 61, the other end of the output pipe 71 is provided with the connecting pipe 72, a plurality of connection ports 721 are provided on the connection pipe 72, and each connection port 721 is flange-connected to the corresponding second discharge pipe 41 and the third discharge pipe 51.

In this embodiment, the first discharging pipe 31 transports the polyethylene resin particles in the feeding box 3 to the inside of the mixing box, the second discharging pipe 41 and the third discharging pipe 51 transport the powdery compound raw material and the liquid compound raw material to the connecting pipe 72 respectively, and further transport the mixture to the stirring shaft 61 through the output pipe 71, and the power assembly 62 drives the stirring shaft 61 to rotate through the driven tooth part 64, so that the stirring blades 63 rotate, and simultaneously, the compound raw material in the stirring shaft 61 is transported to the inside of the mixing barrel 2 through the through hole 65 under the action of centrifugal force, and is fully mixed with the polyethylene resin particles in the mixing barrel 2, so that the mixing is more uniform.

Further, the power assembly 62 includes a servo motor 621, a gear box 622 and an output gear 623, the servo motor 621 is detachably connected to the mixing tub 2 and is located at the top of the mixing tub 2, the output end of the servo motor 621 is provided with the gear box 622, the output end of the gear box 622 is provided with the output gear 623, and the output gear 623 is engaged with the driven tooth portion 64.

In this embodiment, the servo motor 621 is started, and after the output rotation speed of the servo motor 621 is increased by the gear transmission 622, the driven gear 64 is driven to rotate by the output gear 623.

Further, the quantity of through-hole 65 is a plurality of, and is a plurality of through-hole 65 evenly distributed is in the (mixing) shaft 61 is located the one end of the inside of blending bucket 2, every all be provided with filter screen 66 on the through-hole 65.

In this embodiment, the number of the through holes 65 is plural, so that the compound raw material in the stirring shaft 61 is more smoothly conveyed to the inside of the mixing tub 2, and each of the through holes 65 is provided with the filter screen 66, thereby preventing the polyethylene resin particles from entering the inside of the stirring shaft 61 through the through holes 65.

Further, a support 8 is further arranged on the top of the mixing barrel 2, one end of the support 8 is detachably connected with the top of the mixing barrel 2, a placing groove 81 is arranged on the other end of the support 8, the placing groove 81 is arranged in an inclined structure, and the conveying pipe 924 is clamped in the placing groove 81.

In this embodiment, the transport pipe 924 is engaged with the placement tank 81, and the placement tank 81 is provided in an inclined configuration, so that the transport pipe 924 is provided in an inclined configuration, and the compound raw material in the transport pipe 924 is transported to the inside of the stirring shaft 61 more smoothly.

Further, the support 8 includes a connecting plate 82, a supporting rod 83 and a clamping block 84, the connecting plate 82 is detachably connected to the mixing tub 2, one end of the supporting rod 83 is fixedly connected to the connecting plate 82, the other end of the supporting rod 83 is fixedly connected to the clamping block 84, and the clamping block 84 is provided with the clamping groove.

In this embodiment, the connecting plate 82 is fixed to the top of the mixing tub 2 by screws, and the connecting plate 82 and the engaging block 84 are both fixedly connected to the support rod 83, so that the structure is more stable by using an integral molding technique during manufacturing.

Further, be provided with control panel 9 on the blending barrel 2, every all be provided with metering valve 91 on second discharging pipe 41 with the third discharging pipe 51, the inside of feeding case 3 is provided with weighing device 92, be provided with electric control valve 93 on the first discharging pipe 31, electric control valve 93 and every metering valve 91 all with control panel 9 electric connection.

In the present embodiment, a metering valve 91 is used to deliver a predetermined amount of powdery compound raw material and liquid compound raw material into the stirring shaft 61, a weighing device 92 is used to weigh a predetermined amount of polyethylene resin particles, and then the electric control valve 93 is controlled to deliver the polyethylene resin particles into the mixing tub 2.

Further, weighing device 92 includes weighing plate 921, weighing sensor 922, control valve 923 and conveyer pipe 924, the inside of pay-off case is provided with baffle 32, be provided with on the baffle 32 the conveyer pipe 924, be provided with on the conveyer pipe 924 control valve 923, the bottom of pay-off case is the slope structure setting, the bottom of pay-off case is provided with weighing sensor 922, be provided with on the weighing sensor 922 weighing plate 921.

In this embodiment, the polyethylene resin granule exists temporarily the top of baffle 32 is closed electric control valve 93 is opened control valve 923 makes the polyethylene resin granule drop extremely on weighing plate 921, utilize after weighing sensor 922 weighs the polyethylene resin granule of predetermineeing parts by mass, close control valve 923 opens electric control valve 93 to carry the polyethylene resin granule of predetermineeing parts by mass extremely the inside of agitator.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.