CN218593401U

CN218593401U - A heating plastify equipment for producing many ribs of HDPE reinforcing winding pipe

Info

Publication number: CN218593401U
Application number: CN202223218480.8U
Authority: CN
Inventors: 何建炎; 黄秀柳
Original assignee: Hunan Chuangnaishi Pipe Industry Co ltd
Current assignee: Hunan Chuangnaishi Pipe Industry Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-10
Anticipated expiration: 2032-12-02

Abstract

The utility model provides a heating plastify equipment for producing many ribs of HDPE reinforcing winding pipe, including the injection molding machine main part, be equipped with the unloading pipe in the injection molding machine main part, be equipped with the switch valve on the unloading pipe, the fixed intercommunication of the top end opening part of unloading pipe has the feeder hopper, the central authorities' fixedly connected with driving motor of department at bucket cover top, and the below of bucket cover is equipped with actuating mechanism, and the top of bucket cover is equipped with the negative pressure adsorption apparatus who cooperatees the operation with actuating mechanism and constructs, and the top of bucket cover is symmetrical connection still has two handles. The application provides a can carry out the dust removal treatment's of clearing heat plastify equipment to the dust that attaches on the plastic granules raw materials surface that adds in its feeder hopper to make this equipment effectively get rid of the raw materials surface and be stained with the dust that attaches and avoid the inside condition that black impurity appears of the plastics finished product of making to appear when preparing HDPE multi-rib reinforcing winding bellows, be favorable to promoting the processingquality of HDPE multi-rib reinforcing winding bellows goods, improve plastics finished product's processing qualification rate.

Description

A heating plastify equipment for producing many ribs of HDPE reinforcing winding pipe

Technical Field

The utility model relates to a winding pipe processing equipment technical field specifically discloses a heating plastify equipment for producing many ribs of HDPE reinforcing winding pipe.

Background

HDPE multi-rib reinforcing winding bellows belongs to HDPE winding arrangement wall pipe B type, is the pure plastic conduit that newly develops on the existing market, is the pure flexible green drain pipe of advocating today.

The production and processing process of the HDPE multi-rib reinforced winding corrugated pipe needs to use a heating and plasticizing device such as an injection molding machine to heat plastic particle raw materials of the pipe, and then fluid plastics after heating and softening are conveyed to a workpiece mold to be plasticized so as to be convenient for shaping.

When the existing injection molding machine is used, most of plastic particle raw materials added into a feed hopper of the existing injection molding machine cannot be subjected to dust removal treatment by dust attached to the surfaces, so that the plastic particle raw materials with dust impurities attached to the surfaces are heated to be soft and then are injected into a workpiece mold to be cooled and molded, black impurities are often contained in the prepared HDPE multi-rib reinforced winding corrugated pipe product, and the processing quality and the qualification rate of the HDPE multi-rib reinforced winding corrugated pipe product are reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect among the prior art or not enough, this application aims at providing a heating plastify equipment for producing many ribs of HDPE reinforcing winding pipe, including the injection molding machine main part, be equipped with the unloading pipe in the injection molding machine main part, be equipped with switch valve in the unloading pipe, the fixed intercommunication of the top end opening part of unloading pipe has the feeder hopper, the top end opening part lid of feeder hopper closes and is used for stirring the lid subassembly of getting rid of with pouring into the plastics raw materials adsorbed on surface to the feeder hopper inside, this lid subassembly is including the hopper cover that the lid fits feeder hopper top end opening part, the central authorities department fixedly connected with driving motor at hopper cover top, the below of hopper cover is equipped with actuating mechanism, the top of hopper cover is equipped with the negative pressure adsorption apparatus who cooperates the operation with actuating mechanism, the top of hopper cover is symmetrical connection has two handles still.

Preferably, actuating mechanism includes that one is vertical arranging and inside cavity montant for hollow structure, driving motor's output shaft runs through the fill lid and is connected with the top of cavity montant, the bottom opening part of cavity montant is connected with first dust removal net, be connected with the battery on the top surface of first dust removal net, the internal connection of cavity montant has the electric fan that admits air, evenly be fixed the intercommunication on the lateral wall of cavity montant has many side joints that are the level and arrange, one of keeping away from the cavity montant of side joint pipe is served and is equipped with the stirring rod subassembly, the inside of cavity montant still is connected with the baffle.

Preferably, the side duct is located between the intake fan and the partition plate.

Preferably, the stirring rod subassembly is located the side including the cover and is taken over and keep away from the hollow stirring rod that cavity montant was served, the inside of hollow stirring rod is equipped with the heating wire, evenly be connected with many dead levers that are vertical arrangement on the lateral wall of heating wire, and the dead lever is kept away from the one end of connecting the heating wire and is connected with the inner wall of hollow stirring rod, evenly run through on the lateral wall of hollow stirring rod and seted up a plurality of ventholes, the inside of every venthole all is connected with the inscription and removes dust the net, one side that the hollow stirring rod inner chamber was taken over near the side is equipped with the internal thread, be equipped with the external screw thread with the interior thread fit operation on the lateral wall that cavity montant one end was kept away from to the side pipe, and hollow stirring rod serves through interior thread threaded connection in the side is taken over.

Preferably, the negative pressure adsorption mechanism comprises an L-shaped air guide pipeline fixedly communicated with the top of the bucket cover, an inner cavity of the L-shaped air guide pipeline is further connected with a third dust removal net, one end, far away from the bucket cover, of the L-shaped air guide pipeline is fixedly communicated with a connecting pipe, one end, far away from the L-shaped air guide pipeline, of the connecting pipe is provided with an end collecting cylinder, a cylinder nozzle of the end collecting cylinder is sleeved on the periphery of the connecting pipe, a cylinder nozzle of the end collecting cylinder is connected to the connecting pipe in a threaded mode, one end, far away from the connecting pipe, of the end collecting cylinder is connected with a small vacuum pump, an input end of the small vacuum pump is fixedly communicated with an air suction pipe, one end, far away from the small vacuum pump, of the air suction pipe is communicated with the outer wall of the end collecting cylinder, the inner wall of the end collecting cylinder is connected with a fourth dust removal net at a position corresponding to the end of the air suction pipe, and an anti-backflow unit used for placing dust collected inside the end collecting cylinder to flow back into the L-shaped air guide pipeline is arranged inside the connecting pipe.

Preferably, prevent that the unit that backflows includes sealed sliding connection in linking up the inside sealed piston of pipe, sealed piston keeps away from one side interval of tip collecting vessel and is equipped with a bar support, and one side that sealed piston is close to this bar support is connected with the level and leads the stick, and the periphery cover that the stick was led to the level is equipped with extension spring, and extension spring connects between bar support and sealed piston, and the one end that sealed piston was kept away from to the level is run through the bar support and is connected with the stopper.

Preferably, the storage battery is arranged below the air intake fan, and the air intake fan and the heating wire are both electrically connected with the storage battery.

Has the advantages that:

1. the application provides a can carry out the dust removal treatment's plastify equipment of clearing heat to the dust that attaches on the plastic granules raw materials surface that adds in its feeder hopper to make this equipment can effectively get rid of the raw materials surface and be stained with the dust that attaches and avoid the inside condition of black impurity that appears of the plastics finished product of making appearing when preparing the many ribs of HDPE reinforcing winding bellows, be favorable to promoting the processingquality of many ribs of HDPE reinforcing winding bellows goods, improve plastics finished product's processing qualification rate.

2. After starting driving motor, driving motor passes through the cavity montant and drives hollow stirring rod and rotate, stir upset processing by rotatory hollow stirring rod to pouring into the inside plastic granules material of feeder hopper, simultaneously will pass through the electric fan that admits air and carry to inside the feeder hopper through the hot-blast of heating wire heating, realize having the plastic granules raw materials of water to the surface and carry out preliminary heating drying process, be favorable to quick drying plastic granules raw materials surface to be stained with the dust that attaches, simultaneously under the stirring effect of hollow stirring rod, make plastic granules raw materials surface be stained with attach and the dust after the drying can be raised and break away from the raw materials surface, afterwards under the effect of small-size vacuum pump, the inside dust that breaks away from out from the raw materials surface through stirring and drying process of feeder hopper is concentrated the absorption under the effect of negative pressure and is collected to inside the tip collecting vessel, thereby make this application can effectively get rid of the raw materials surface and be stained with attached dust.

3. The inside of tip collecting vessel gradually forms the negative pressure state under the effect of small-size vacuum pump, afterwards, sealed piston removes towards the direction of tip collecting vessel, the inside dust of raising of feeder hopper gets into to inside back of L type guide duct, get into to inside the tip collecting vessel through linking up the pipe again, after small-size vacuum pump closed, under extension spring's elasticity effect, draw back to the inside of linking up the pipe in the sealed piston fast, and can effectively avoid the inside dust of collecting of tip collecting vessel to flow back again to inside and then the surface of backflowing to the inside raw materials of feeder hopper to cause the pollution, thereby can further improve this application to the processing quality of HDPE multi-ribbed reinforcing winding bellows.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic perspective view of the cover assembly of the present invention;

FIG. 3 is an enlarged schematic cross-sectional view of the stirring mechanism of the present invention;

fig. 4 is a schematic cross-sectional enlarged view of the collecting member of the present invention.

In the figure:

1. an injection molding machine main body; 2. a feed hopper; 3. a bucket cover; 4. a drive motor; 5. a hollow vertical rod; 6. a side connection pipe; 7. a hollow stirring rod; 8. an L-shaped air guide pipeline; 9. an end collecting cylinder; 10. a small vacuum pump; 11. connecting the pipe; 12. an electric heating wire; 13. the dust removing net is connected inside; 14. an air intake fan; 15. a storage battery; 16. a sealing piston; 17. an extension spring; 18. a horizontal guide rod.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

The embodiment of the utility model provides an in the attached drawing: the different types of hatching in the figures are not given the national standards, do not require the material of the elements, and distinguish between cross-sectional views of the elements in the figures.

Please refer to fig. 1, fig. 2 shows, a heating plastification apparatus for producing HDPE multi-rib reinforced winding pipe, including injection molding machine main body 1, be equipped with the unloading pipe on the injection molding machine main body 1, be equipped with the switch valve on the unloading pipe, the fixed intercommunication of the top end opening part of unloading pipe has feeder hopper 2, the top end opening part lid of feeder hopper 2 has the lid subassembly that is used for stirring the dust of pouring into to the plastics raw materials surface adsorption of feeder hopper 2 inside and gets rid of, this lid subassembly is including covering the hopper cover 3 that fits 2 top end opening parts of feeder hopper, the central authorities fixedly connected with driving motor 4 of 3 tops of hopper cover, the below of hopper cover 3 is equipped with actuating mechanism, the top of hopper cover 3 is equipped with the negative pressure adsorption apparatus who cooperates the operation with actuating mechanism, the top of hopper cover 3 is symmetrical connection has two handles still. The application provides a can carry out the dust removal treatment's of clearing heat plastify equipment to the dust that attaches on the plastic granules raw materials surface that adds in its feeder hopper to make this equipment effectively get rid of the raw materials surface and be stained with the dust that attaches and avoid the inside condition that black impurity appears of the plastics finished product of making to appear when preparing HDPE multi-rib reinforcing winding bellows, be favorable to promoting the processingquality of HDPE multi-rib reinforcing winding bellows goods, improve plastics finished product's processing qualification rate.

Please refer to fig. 3, wherein, the executing mechanism includes a hollow vertical rod 5 which is vertically arranged and has a hollow structure inside, the output shaft of the driving motor 4 penetrates through the bucket cover 3 and is connected with the top end of the hollow vertical rod 5, the bottom opening of the hollow vertical rod 5 is connected with a first dust removing net, the top surface of the first dust removing net is connected with a storage battery 15, the inside of the hollow vertical rod 5 is connected with an air intake fan 14, the side wall of the hollow vertical rod 5 is uniformly and fixedly communicated with a plurality of side connecting pipes 6 which are horizontally arranged, one end of each side connecting pipe 6 far away from the hollow vertical rod 5 is provided with a stirring rod assembly, and the inside of the hollow vertical rod 5 is further connected with a partition board. Wherein the side connection pipe 6 is between the intake fan 14 and the partition plate.

Please refer to fig. 3, wherein the stirring rod assembly includes a hollow stirring rod 7 sleeved on the side connection pipe 6 and far away from one end of the hollow vertical rod 5, a heating wire 12 is disposed inside the hollow stirring rod 7, a plurality of fixing rods vertically disposed are uniformly connected to a side wall of the heating wire 12, one end of the fixing rod far away from the connected heating wire 12 is connected to an inner wall of the hollow stirring rod 7, a plurality of air outlets are uniformly formed through the side wall of the hollow stirring rod 7, an internal dust removal net 13 is connected to the inside of each air outlet, an internal thread is disposed at one side of the hollow stirring rod 7 close to the side connection pipe 6, an external thread cooperating with the internal thread is disposed on a side wall of the side connection pipe 6 far away from one end of the hollow vertical rod 5, and the hollow stirring rod 7 is connected to one end of the side connection pipe 6 far away from the hollow vertical rod 5 through the internal thread. The storage battery 15 is located below the air intake fan 14, and both the air intake fan 14 and the heating wire 12 are electrically connected to the storage battery 15. After starting driving motor 4, driving motor 4 drives hollow stirring rod 7 through cavity montant 5 and rotates, stir upset processing by rotatory hollow stirring rod 7 to pouring into the plastic granules material of 2 inside of feeder hoppers, simultaneously will carry to feeder hopper 2 inside through the hot-blast of electric-heating wire 12 heating through electric fan 14 that admits air, realize carrying out preliminary heat drying process to the plastic granules raw materials that the surface has water, be favorable to the dust that quick drying plastic granules raw materials surface is stained with and attaches, simultaneously under the stirring effect of hollow stirring rod 7, make plastic granules raw materials surface be stained with and the dust after the drying can be raised and break away from the raw materials surface, afterwards under small vacuum pump 10's effect, feeder hopper 2 inside through stirring and drying process from the dust that raw materials surface breaks away from out is concentrated absorption collection to tip collection section of thick bamboo 9 inside under the effect of negative pressure, thereby make this application can effectively get rid of the dust that the raw materials surface is stained with.

Referring to fig. 4, the negative pressure adsorption mechanism further includes a third dust removing net connected to an inner cavity of the L-shaped air guiding duct 8,L type air guiding duct 8 fixedly connected to the top of the bucket cover 3, a connecting pipe 11 is fixedly connected to an end of the L-shaped air guiding duct 8 away from the bucket cover 3, an end portion collecting cylinder 9 is disposed on an end of the connecting pipe 11 away from the L-shaped air guiding duct 8, a nozzle of the end portion collecting cylinder 9 is sleeved on an outer periphery of the connecting pipe 11, a nozzle of the end portion collecting cylinder 9 is screwed to the connecting pipe 11, a small vacuum pump 10 is connected to an end portion of the end portion collecting cylinder 9 away from the connecting pipe 11, an input end of the small vacuum pump 10 is fixedly connected to an air suction pipe, an end of the air suction pipe away from the small vacuum pump 10 is connected to an outer wall of the end portion collecting cylinder 9, a fourth dust removing net is connected to an inner wall of the end portion of the air suction pipe at a position corresponding to the end portion of the air suction pipe, and a backflow preventing unit for preventing dust collected in the end portion collecting cylinder 9 from flowing back into the L-shaped air guiding duct 8 is disposed in the connecting pipe 11.

Referring to fig. 4, the backflow prevention unit includes a sealing piston 16 connected to the inside of the connecting tube 11 in a sealing and sliding manner, a strip-shaped support is disposed at an interval on one side of the sealing piston 16 away from the end portion collecting cylinder 9, a horizontal guide rod 18 is connected to one side of the sealing piston 16 close to the strip-shaped support, an extension spring 17 is sleeved on the outer periphery of the horizontal guide rod 18, the extension spring 17 is connected between the strip-shaped support and the sealing piston 16, and one end of the horizontal guide rod 18 away from the sealing piston 16 penetrates through the strip-shaped support and is connected to a limiting block. Under the effect of small vacuum pump 10, the inside of tip collecting vessel 9 gradually forms negative pressure state, afterwards, sealing piston 16 removes towards the direction of tip collecting vessel 9, the inside dust of raising of feeder hopper 2 enters into to L type ducting 8 inside after, enter into to tip collecting vessel 9 inside through linking pipe 11 again, after small vacuum pump 10 closed, under extension spring 17's elastic force effect, draw back to the inside of linking pipe 11 in sealing piston 16 fast, and can effectively avoid the inside dust of collecting of tip collecting vessel 9 to flow back again to L type ducting 8 inside and then flow back to feeder hopper 2 inside and cause the pollution to the surface of raw materials, thereby can further improve this application to the processing quality of HDPE multi-rib reinforcing winding bellows.

As shown in fig. 1 to 4, the application provides an antipyretic plasticizing apparatus capable of removing dust attached to the surface of a plastic particle raw material added to a feeding hopper of the antipyretic plasticizing apparatus, so that the apparatus can effectively remove dust attached to the surface of the raw material and prevent black impurities from appearing inside a manufactured plastic finished product when the HDPE multi-rib reinforced winding corrugated pipe is manufactured, thereby facilitating the improvement of the processing quality of the HDPE multi-rib reinforced winding corrugated pipe product and the improvement of the processing qualification rate of the plastic finished product.

After starting driving motor 4, driving motor 4 drives hollow stirring rod 7 through cavity montant 5 and rotates, stir upset treatment by rotatory hollow stirring rod 7 to pouring into the 2 inside plastic granules materials of feeder hopper, simultaneously will pass through the hot-blast transport to feeder hopper 2 insides of electric wire 12 heating through electric fan 14 that admits air, realize that there is the plastic granules raw materials of water to the surface to carry out preliminary heating drying process, be favorable to quick drying plastic granules raw materials surface to be stained with the dust that attaches, simultaneously under the stirring effect of hollow stirring rod 7, make plastic granules raw materials surface be stained with attach and the dust after the drying can be raised and break away from the raw materials surface, afterwards under small vacuum pump 10's effect, feeder hopper 2 inside through stirring and drying process from the dust that the raw materials surface breaks away from outside under the effect of negative pressure by concentrated absorption collection to inside tip collection section of thick bamboo 9, thereby make this application can effectively get rid of the dust that the raw materials surface attaches.

Under the effect of small vacuum pump 10, the inside of tip collecting vessel 9 gradually forms negative pressure state, afterwards, sealing piston 16 removes towards the direction of tip collecting vessel 9, the inside dust of raising of feeder hopper 2 enters into to L type ducting 8 inside after, enter into to tip collecting vessel 9 inside through linking pipe 11 again, after small vacuum pump 10 closed, under extension spring 17's elastic force effect, draw back to the inside of linking pipe 11 in sealing piston 16 fast, and can effectively avoid the inside dust of collecting of tip collecting vessel 9 to flow back again to L type ducting 8 inside and then flow back to feeder hopper 2 inside and cause the pollution to the surface of raw materials, thereby can further improve this application to the processing quality of HDPE multi-rib reinforcing winding bellows.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like. Those not described in detail in this specification are within the skill of the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A heating plastify equipment for producing HDPE multi-rib reinforcing winding pipe, includes injection molding machine main part (1), its characterized in that: be equipped with the unloading pipe on injection molding machine main part (1), be equipped with switch valve on the unloading pipe, the fixed intercommunication of top end opening part of unloading pipe has feeder hopper (2), the top end opening part lid of feeder hopper (2) closes and is used for stirring the lid subassembly of getting rid of with pouring into the plastics raw materials adsorbed surface inside feeder hopper (2), and this lid subassembly is including covering hopper cover (3) that fit feeder hopper (2) top end opening part, the central authorities department fixedly connected with driving motor (4) at hopper cover (3) top, the below of hopper cover (3) is equipped with actuating mechanism, the top of hopper cover (3) is equipped with the negative pressure adsorption apparatus who cooperates the operation with actuating mechanism, the top of hopper cover (3) still symmetric connection has two handles.

2. A thermoplasticizing apparatus for producing HDPE multi-rib reinforced wrapped pipe according to claim 1, characterized in that: actuating mechanism includes that one is vertical arranging and inside cavity montant (5) for hollow structure, the output shaft of driving motor (4) runs through fill lid (3) and is connected with the top of cavity montant (5), the bottom opening part of cavity montant (5) is connected with first dust removal net, be connected with battery (15) on the top surface of first dust removal net, the internal connection of cavity montant (5) has air intake fan (14), evenly fixed intercommunication has many side connection pipes (6) that are the level and arrange on the lateral wall of cavity montant (5), one of keeping away from cavity montant (5) of side connection pipe (6) is served and is equipped with the stirring rod subassembly, the inside of cavity montant (5) still is connected with the baffle.

3. A thermoplasticizing apparatus for producing HDPE multi-rib reinforced wrapped pipe according to claim 2, characterized in that: the side connecting pipe (6) is arranged between the air inlet fan (14) and the partition plate.

4. A thermoplasticizing apparatus for the production of HDPE multi-ribbed reinforced wrapped pipes in accordance with claim 2, characterized in that: the utility model discloses a hollow montant (5) one end hollow stirring rod (7) is kept away from to stirring rod subassembly is located side takeover (6) including the cover, the inside of hollow stirring rod (7) is equipped with heating wire (12), evenly be connected with many dead levers that are vertical arrangement on the lateral wall of heating wire (12), and the dead lever is kept away from the one end of connecting heating wire (12) and is connected with the inner wall of hollow stirring rod (7), evenly run through on the lateral wall of hollow stirring rod (7) and seted up a plurality of ventholes, the inside of every venthole all is connected with inscription dust removal net (13), one side that hollow stirring rod (7) inner chamber was taken over near side (6) is equipped with the internal thread, side takeover (6) are kept away from and are equipped with the external screw thread with the interior thread fit operation on the lateral wall of hollow montant (5) one end, just hollow stirring rod (7) are taken over through interior thread connection in the side and serve one of keeping away from hollow montant (5).

5. A thermoplasticizing apparatus for producing HDPE multi-rib reinforced wrapped pipe according to claim 1, characterized in that: the negative pressure adsorption mechanism comprises an L-shaped air guide pipeline (8) fixedly communicated with the top of a bucket cover (3), the inner cavity of the L-shaped air guide pipeline (8) is further connected with a third dust removal net, one end, away from the bucket cover (3), of the L-shaped air guide pipeline (8) is fixedly communicated with a connecting pipe (11), one end, away from the L-shaped air guide pipeline (8), of the connecting pipe (11) is provided with an end collecting cylinder (9), a cylinder nozzle of the end collecting cylinder (9) is sleeved on the periphery of the connecting pipe (11), a cylinder nozzle of the end collecting cylinder (9) is in threaded connection with the connecting pipe (11), one end, away from the connecting pipe (11), of the end collecting cylinder (9) is connected with a small vacuum pump (10), an input end, away from the small vacuum pump (10), of the air suction pipe is fixedly communicated with an air suction pipe, one end, away from the small vacuum pump (10), of the air suction pipe is communicated with the outer wall of the end collecting cylinder (9), the inner wall of the end collecting cylinder (9) is connected with a fourth dust removal net at a position corresponding to the end of the air guide pipe, and an air guide pipe (8) used for placing the end collecting cylinder (9) is arranged inside of the connecting pipe and preventing dust from flowing back.

6. A thermoplasticizing apparatus for the production of HDPE multi-ribbed reinforced wrapped pipe according to claim 5, characterized in that: prevent the unit that backflows including sealed sliding connection in the inside sealed piston (16) of linking pipe (11), sealed piston (16) keep away from one side interval of tip collecting vessel (9) and are equipped with a bar support, sealed piston (16) are close to one side of this bar support and are connected with horizontal guide rod (18), the periphery cover that horizontal guide rod (18) was equipped with extension spring (17), and extension spring (17) are connected between bar support and sealed piston (16), the one end that horizontal guide rod (18) kept away from sealed piston (16) runs through the bar support and is connected with the stopper.

7. A thermoplasticizing apparatus for the production of HDPE multi-ribbed reinforced wrapped pipe according to claim 4, characterized in that: the storage battery (15) is arranged below the air intake fan (14), and the air intake fan (14) and the heating wire (12) are both electrically connected with the storage battery (15).