Plastic pipe extrusion production machine

Abstract

The utility model relates to the technical field of plastic pipe extrusion, and discloses a plastic pipe extrusion production machine which comprises a conveying barrel, a stirring barrel, a tubular molding cavity, a stirring rod, a plurality of stirring blades, a rotating rod, a conveying roller, a cylindrical extrusion block, a water pump, a cooling ring pipe and the like. The stirring rod is vertically arranged in the stirring barrel, the stirring blades are transversely arranged on the outer side of the stirring rod, the rotating rod is transversely arranged in the conveying barrel, the conveying rollers are transversely arranged on the outer side of the rotating rod, and the cooling ring pipe is arranged on the outer side of the tubular molding cavity. The molten plastic material is conveyed into the tubular molding cavity through the conveying barrel, the plastic material is extruded in a tubular shape through the cylindrical extrusion block, the plastic pipe cannot be bent and drooped through the tubular molding cavity and the cooling ring pipe, rapid cooling molding and discharging are achieved, and follow-up machining and using are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe extrusion, in particular to an extrusion production machine for plastic pipes. Background Art

[0002] Plastic pipes are increasingly widely used in construction projects due to their light weight, corrosion resistance, beautiful appearance, no bad odor, easy processing, and convenient construction. Extruders are special equipment for producing plastic pipes. Extruders are equipment that extrude products into the required shape.

[0003] After the existing extruder extrude the plastic tube, there is a lot of residual temperature on the surface of the plastic tube, and the shape of the plastic tube when transported outward is not stable enough. It is easily affected by external force or natural gravity, causing sagging and bending, resulting in certain damage to the shape of the plastic tube, affecting the later processing and use of the plastic tube. Utility Model Content

[0004] The utility model aims to solve the technical problem of how to quickly cool a plastic pipe after extrusion to prevent the plastic pipe from bending and sagging and affecting subsequent processing and use, and provides an extrusion production machine for a plastic pipe.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a plastic pipe extrusion production machine, including two support columns, a transport barrel, a mixing barrel, a tubular shaping chamber, a first motor, a feed port, a stirring rod, a plurality of stirring blades, two heating plates, a blanking port, a first electric valve, a second motor, a rotating rod, a transport roller, a first discharge port, a cylindrical extrusion block, a second discharge port, a water pump, a water inlet pipe, a cooling ring pipe, a water outlet pipe, a second electric valve, and a controller. The transport barrel is horizontally arranged above the two support columns, and the transport barrel is fixedly connected to the top of the two support columns. The mixing barrel is vertically arranged above the transport barrel, and the mixing barrel is fixedly connected to the transport barrel. The tubular shaping chamber is horizontally arranged on the side of the transport barrel, and the tubular shaping chamber is connected to the transport barrel. The first motor is arranged above the mixing barrel, and the rotating shaft of the first motor vertically passes through the top of the mixing barrel, and the bottom surface of the first motor is fixedly connected to the upper surface of the mixing barrel. The feed port is arranged at the top of the mixing barrel, and is connected to the mixing barrel and the outside world. The stirring rod is vertically arranged inside the stirring barrel, the axis of the stirring rod coincides with the axis of the rotating shaft of the first motor, and the top of the stirring rod is fixedly connected to the rotating shaft of the first motor. A plurality of stirring blades are horizontally arranged inside the stirring barrel and outside the stirring rod, and one end of the plurality of stirring blades close to the stirring rod is fixedly connected to the outer surface of the stirring rod. Two heating plates are vertically arranged on the sides of the stirring barrel, and the two heating plates are fixedly connected to the sides of the stirring barrel. The blanking port is arranged at the bottom of the stirring barrel, communicated with the transport barrel, and communicated with the stirring barrel. The first electric valve is horizontally arranged inside the blanking port and communicated with the blanking port. The second motor is arranged on the side of the stirring barrel away from the tubular shaping cavity, the rotating shaft of the second motor horizontally penetrates the stirring barrel, the rotating shaft axis of the second motor coincides with the axis of the tubular shaping cavity, and the side of the second motor close to the transport barrel is fixedly connected to the outer surface of the transport barrel. The rotating rod is horizontally arranged inside the transport barrel, the axis of the rotating rod coincides with the axis of the rotating shaft of the second motor, and one end of the rotating rod close to the second motor is fixedly connected to the rotating shaft of the second motor. The transport roller is arranged inside the transport barrel and outside the rotating rod. The axis of the transport roller coincides with the axis of the rotating shaft of the second motor, and the transport roller is fixedly connected to the outer surface of the rotating rod. The first discharge port is arranged on the side of the transport barrel, and the first discharge port is connected to the transport barrel and the tubular shaping cavity. The cylindrical extrusion block is arranged transversely inside the tubular shaping cavity and on the side of the rotating rod away from the second motor. The axis of the cylindrical extrusion block coincides with the axis of the rotating shaft of the second motor, and one end of the cylindrical extrusion block close to the rotating rod is fixedly connected to one end of the rotating rod away from the second motor. The second discharge port is arranged on the side of the tubular shaping cavity away from the transport barrel, and the second discharge port is connected to the tubular shaping cavity and the outside world. The water pump is arranged above the transport barrel, and the bottom surface of the water pump is fixedly connected to the upper surface of the transport barrel. The cooling ring pipe is arranged transversely on the outside of the tubular shaping cavity, and the cooling ring pipe is fixedly connected to the outer surface of the tubular shaping cavity. The water inlet pipe is vertically arranged above the cooling ring pipe, and the water inlet pipe is communicated with the cooling ring pipe and the water outlet of the water pump respectively.The water outlet pipe is vertically arranged below the cooling ring pipe, and the water outlet pipe is connected to the cooling ring pipe and the outside world. The second electric valve is transversely arranged inside the water outlet pipe, and the second electric valve is connected to the water outlet pipe. The controller is arranged outside the mixing barrel, and the side of the controller close to the mixing barrel is fixedly connected to the outer surface of the mixing barrel. The controller is respectively electrically connected to the first motor, the first electric valve, the two heating plates, the second motor, the water pump, and the second electric valve.

[0006] Pour the plastic material into the mixing barrel from the feed inlet, start the first motor and the two heating plates through the controller, the first motor works, the rotating shaft of the first motor drives the stirring rod to rotate, the stirring rod drives the plurality of stirring blades to rotate, the plurality of stirring blades stir the plastic material, the two heating plates work, continuously heat, cooperate with the stirring rod and the plurality of stirring blades to melt the plastic material. The first electric valve and the second motor are started by the controller, the first electric valve is opened, the melted high-temperature plastic material enters the transport barrel from the blanking port, the second motor works, the rotating shaft of the second motor drives the rotating rod to rotate, the rotating rod drives the transport roller to rotate, the transport roller transports the melted plastic material to the first discharge port, the melted plastic material enters the tubular molding cavity from the first discharge port, the melted plastic material is tubular through the extrusion of the cylindrical extrusion block, the water pump is started by the controller, the cold water in the water pump enters the cooling ring pipe through the water inlet pipe, the temperature of the plastic pipe is absorbed by the cold water in the cooling ring pipe, the plastic pipe is cooled quickly, and the plastic pipe is prevented from bending and sagging, and finally the cooled and formed plastic pipe is discharged through the second discharge port, the second electric valve is started by the controller to discharge the water in the cooling ring pipe.

[0007] Furthermore, the two support columns are welded and fixed to the transport barrel.

[0008] The two supporting columns and the transport barrel are welded and fixed to enhance the stability of the device and facilitate subsequent work.

[0009] Furthermore, there are six stirring blades in total, and they are arranged parallel to each other.

[0010] A plurality of stirring blades are arranged parallel to each other to facilitate stirring of materials at different depths in the stirring barrel, thereby preventing solidification and facilitating subsequent extrusion of plastic pipes.

[0011] Furthermore, it includes a temperature sensor, which is arranged in the inner wall of the mixing barrel, the temperature sensor is fixedly connected to the mixing barrel, and the temperature sensor is electrically connected to the controller.

[0012] The temperature sensor can detect the temperature inside the mixing barrel, making it easy to judge the degree of material melting for subsequent work.

[0013] Furthermore, it includes two coolers, which are arranged inside the cooling ring pipe, the two coolers are fixedly connected to the cooling ring pipe, and the two coolers are electrically connected to the controller.

[0014] The two coolers can reduce the temperature of the cold water in the cooling ring pipe, thereby improving the efficiency of cooling and molding the plastic pipe.

[0015] Furthermore, the two heating plates are heated by resistance.

[0016] Resistance heating can be conveniently controlled by a controller, is easy to use and has a simple structure.

[0017] Beneficial effects of the utility model:

[0018] 1. The utility model provides a stirring barrel, a first motor, a transport barrel, a second motor, a rotating roller, a tubular shaping cavity, a cooling ring tube and other structures, so that the plastic tube formed by the melted high-temperature plastic material after extrusion can be quickly cooled down, and the tubular shaping cavity can also prevent the plastic tube from bending and sagging, which is beneficial to subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the front cross-sectional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the side structure of the tubular shaping cavity of the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings: 1. Support column; 2. Transport barrel; 3. Stirring barrel; 4. Tubular shaping chamber; 5. First motor; 6. Feed inlet; 7. Stirring rod; 8. Stirring blade; 9. Heating plate; 10. Temperature sensor; 11. First electric valve; 12. Second motor; 13. Rotating rod; 14. Transport roller; 15. First discharge port; 16. Cylindrical extrusion block; 17. Second discharge port; 18. Water pump; 19. Water inlet pipe; 20. Cooling ring pipe; 21. Cooler; 22. Water outlet pipe; 23. Second electric valve; 24. Dropping port; 25. Controller. DETAILED DESCRIPTION

[0022] The concept of the present invention and the technical effects produced will be clearly and completely described below in conjunction with the embodiments so as to fully understand the purpose, features and effects of the present invention.

[0023] In the present utility model, descriptions involving "first", "second", etc. are only for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0024] The technical solution adopted by the utility model to solve its technical problems is: a plastic pipe extrusion production machine, including two support columns 1, a transport barrel 2, a stirring barrel 3, a tubular shaping chamber 4, a first motor 5, a feed port 6, a stirring rod 7, a plurality of stirring blades 8, two heating plates 9, a drop port 24, a first electric valve 11, a second motor 12, a rotating rod 13, a transport roller 14, a first discharge port 15, a cylindrical extrusion block 16, a second discharge port 17, a water pump 18, a water inlet pipe 19, a cooling ring pipe 20, a water outlet pipe 22, a second electric valve 23, and a controller 25. The transport barrel 2 is horizontally arranged above the two support columns 1, and the transport barrel 2 is fixedly connected to the top of the two support columns 1. The stirring barrel 3 is vertically arranged above the transport barrel 2, and the stirring barrel 3 is fixedly connected to the transport barrel 2. The tubular shaping chamber 4 is horizontally arranged on the side of the transport barrel 2, and the tubular shaping chamber 4 is connected to the transport barrel 2. The first motor 5 is arranged above the mixing barrel 3, the rotating shaft of the first motor 5 vertically penetrates the top of the mixing barrel 3, and the bottom surface of the first motor 5 is fixedly connected to the upper surface of the mixing barrel 3. The feed port 6 is arranged at the top of the mixing barrel 3, communicated with the mixing barrel 3, and communicated with the outside. The stirring rod 7 is vertically arranged inside the mixing barrel 3, the axis of the stirring rod 7 coincides with the axis of the rotating shaft of the first motor 5, and the top of the stirring rod 7 is fixedly connected to the rotating shaft of the first motor 5. A plurality of stirring blades 8 are horizontally arranged inside the mixing barrel 3 and outside the stirring rod 7, and one end of the plurality of stirring blades 8 close to the stirring rod 7 is fixedly connected to the outer surface of the stirring rod 7. Two heating plates 9 are vertically arranged on the sides of the mixing barrel 3, respectively, and the two heating plates 9 are fixedly connected to the sides of the mixing barrel 3, respectively. The blanking port 24 is arranged at the bottom of the mixing barrel 3, communicated with the transport barrel 2, and communicated with the mixing barrel 3. The first electric valve 11 is horizontally arranged inside the blanking port 24 and communicated with the blanking port 24. The second motor 12 is arranged on the side of the mixing barrel 3 away from the tubular shaping chamber 4. The rotating shaft of the second motor 12 passes through the mixing barrel 3 transversely. The axis of the rotating shaft of the second motor 12 coincides with the axis of the tubular shaping chamber 4. The side of the second motor 12 close to the transport barrel 2 is fixedly connected to the outer surface of the transport barrel 2. The rotating rod 13 is arranged transversely inside the transport barrel 2. The axis of the rotating rod 13 coincides with the axis of the rotating shaft of the second motor 12. One end of the rotating rod 13 close to the second motor 12 is fixedly connected to the rotating shaft of the second motor 12. The transport roller 14 is arranged inside the transport barrel 2 and outside the rotating rod 13. The axis of the transport roller 14 coincides with the axis of the rotating shaft of the second motor 12. The transport roller 14 is fixedly connected to the outer surface of the rotating rod 13. The first discharge port 15 is arranged on the side of the transport barrel 2. The first discharge port 15 is connected to the transport barrel 2 and the tubular shaping chamber 4. The cylindrical extrusion block 16 is laterally arranged inside the tubular shaping cavity 4, and is arranged on the side of the rotating rod 13 away from the second motor 12. The axis of the cylindrical extrusion block 16 coincides with the axis of the rotating shaft of the second motor 12, and the end of the cylindrical extrusion block 16 close to the rotating rod 13 is fixedly connected to the end of the rotating rod 13 away from the second motor 12.The second discharge port 17 is arranged on the side of the tubular shaping cavity 4 away from the transport barrel 2, and the second discharge port 17 is connected to the tubular shaping cavity 4 and the outside world. The water pump 18 is arranged above the transport barrel 2, and the bottom surface of the water pump 18 is fixedly connected to the upper surface of the transport barrel 2. The cooling ring pipe 20 is transversely arranged on the outside of the tubular shaping cavity 4, and the cooling ring pipe 20 is fixedly connected to the outer surface of the tubular shaping cavity 4. The water inlet pipe 19 is vertically arranged above the cooling ring pipe 20, and the water inlet pipe 19 is respectively connected to the cooling ring pipe 20 and the water outlet of the water pump 18. The water outlet pipe 22 is vertically arranged below the cooling ring pipe 20, and the water outlet pipe 22 is connected to the cooling ring pipe 20 and the outside world. The second electric valve 23 is transversely arranged inside the water outlet pipe 22, and the second electric valve 23 is connected to the water outlet pipe 22. The controller 25 is arranged on the outside of the mixing barrel 3. The side of the controller 25 close to the mixing barrel 3 is fixedly connected to the outer surface of the mixing barrel 3. The controller 25 is electrically connected to the first motor 5, the first electric valve 11, the two heating plates 9, the second motor 12, the water pump 18, and the second electric valve 23 respectively.

[0025] The plastic material is poured into the stirring barrel 3 from the feed port 6, and the first motor 5 and the two heating plates 9 are started by the controller 25. The first motor 5 works, and the rotating shaft of the first motor 5 drives the stirring rod 7 to rotate, and the stirring rod 7 drives the plurality of stirring blades 8 to rotate, and the plurality of stirring blades 8 stir the plastic material, and the two heating plates 9 work to continuously heat, and cooperate with the stirring rod 7 and the plurality of stirring blades 8 to melt the plastic material. The first electric valve 11 and the second motor 12 are started by the controller 25, the first electric valve 11 is opened, the melted high-temperature plastic material enters the transport barrel 2 from the blanking port 24, the second motor 12 works, the rotating shaft of the second motor 12 drives the rotating rod 13 to rotate, the rotating rod 13 drives the transport roller 14 to rotate, the transport roller 14 transports the melted plastic material to the first discharge port 15, the melted plastic material enters the tubular shaping cavity 4 from the first discharge port 15, the melted plastic material is tubular through the extrusion of the cylindrical extrusion block 16, the water pump 18 is started by the controller 25, the cold water in the water pump 18 enters the cooling ring pipe 20 through the water inlet pipe 19, the temperature of the plastic pipe is absorbed by the cold water in the cooling ring pipe 20, the plastic pipe is quickly cooled, the cooling ring pipe 20 cooperates with the tubular shaping cavity 4, so that the plastic pipe does not bend and sag, and finally the cooled and formed plastic pipe is discharged through the second discharge port 17, the second electric valve 23 is started by the controller 25, and the water in the cooling ring pipe 20 is discharged.

[0026] Furthermore, the two support columns 1 are fixed to the transport barrel 2 by welding.

[0027] The two support columns 1 and the transport barrel 2 are welded and fixed to each other, so as to enhance the stability of the device and facilitate subsequent work.

[0028] Furthermore, there are six stirring blades 8 in total, and they are arranged parallel to each other.

[0029] The plurality of stirring blades 8 are arranged parallel to each other to facilitate stirring of materials at different depths in the stirring barrel 3, thereby preventing solidification and facilitating subsequent extrusion of the plastic pipe.

[0030] Furthermore, it includes a temperature sensor 10 , which is disposed in the inner wall of the mixing barrel 3 , the temperature sensor 10 is fixedly connected to the mixing barrel 3 , and the temperature sensor 10 is electrically connected to the controller 25 .

[0031] The temperature sensor 10 can detect the temperature inside the mixing barrel 3, which is convenient for judging the degree of melting of the material so as to facilitate subsequent work.

[0032] Furthermore, two coolers 21 are included. The two coolers 21 are arranged inside the cooling ring pipe 20 , the two coolers 21 are fixedly connected to the cooling ring pipe 20 , and the two coolers 21 are electrically connected to the controller 25 .

[0033] The two coolers 21 can reduce the temperature of the cold water in the cooling ring pipe 20, thereby improving the efficiency of cooling and molding the plastic pipe.

[0034] Furthermore, the two heating plates 9 are heated by resistance.

[0035] The resistance heating can be conveniently controlled by the controller 25, is easy to use and has a simple structure.

[0036] Working principle: Pour the plastic material into the mixing barrel 3 from the feed port 6, start the first motor 5 and the two heating plates 9 through the controller 25, the first motor 5 works, the rotating shaft of the first motor 5 drives the stirring rod 7 to rotate, the stirring rod 7 drives the plurality of stirring blades 8 to rotate, the plurality of stirring blades 8 stir the plastic material, the two heating plates 9 work, continuously heat, cooperate with the stirring rod 7 and the plurality of stirring blades 8 to melt the plastic material, the temperature in the mixing barrel 3 can be monitored through the temperature sensor 10 to determine the degree of melting of the plastic material. Start the first electric valve 11 through the controller 25, the first electric valve 11 opens, and the melted high-temperature plastic material enters the transport barrel 2 from the drop port 24.

[0037] The second motor 12 is started by the controller 25, and the second motor 12 works. The rotating shaft of the second motor 12 drives the rotating rod 13 to rotate, and the rotating rod 13 drives the transport roller 14 to rotate. The transport roller 14 transports the melted plastic material to the first discharge port 15. The melted plastic material enters the tubular shaping cavity 4 from the first discharge port 15, and is extruded by the cylindrical extrusion block 16 so that the melted plastic material is tubular.

[0038] The water pump 18 and the two coolers 21 are started by the controller 25, and the cold water in the water pump 18 enters the cooling loop 20 through the water inlet pipe 19. The cold water in the cooling loop 20 absorbs the temperature of the plastic pipe, so that the plastic pipe is quickly cooled. The cooler 21 can reduce the temperature of the cold water in the cooling loop 20 and continuously absorb the temperature on the plastic pipe. The cooling loop 20 cooperates with the tubular shaping cavity 4, so that the plastic pipe will not bend or sag. Finally, the cooled and formed plastic pipe is discharged through the second discharge port 17, and the second electric valve 23 is started by the controller 25 to discharge the water in the cooling loop 20.

[0039] The above embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work all fall within the scope of protection of the utility model.

Claims

1. A plastic pipe extrusion production machine, characterized in that: The invention comprises two support columns (1), a transport barrel (2), a stirring barrel (3), a tubular shaping chamber (4), a first motor (5), a feed port (6), a stirring rod (7), a plurality of stirring blades (8), two heating plates (9), a feed port (24), a first electric valve (11), a second motor (12), a rotating rod (13), a transport roller (14), a first discharge port (15), a cylindrical extrusion block (16), a second discharge port (17), a water pump (18), a water inlet pipe (19), a cooling ring pipe (20), a water outlet pipe (22), a second electric valve (23), and a controller (25). The transport barrel (2) is arranged horizontally above the two support columns (1). The barrel (2) is fixedly connected to the top ends of the two support columns (1); the stirring barrel (3) is vertically arranged above the transport barrel (2), and the stirring barrel (3) is fixedly connected to the transport barrel (2); the tubular shaping chamber (4) is horizontally arranged on the side of the transport barrel (2), and the tubular shaping chamber (4) is communicated with the transport barrel (2); the first motor (5) is arranged above the stirring barrel (3), the rotating shaft of the first motor (5) vertically passes through the top of the stirring barrel (3), and the bottom surface of the first motor (5) is fixedly connected to the upper surface of the stirring barrel (3); the feeding port (6) is arranged at the top of the stirring barrel (3), and is connected to the stirring barrel ( 3) is connected to the outside; the stirring rod (7) is vertically arranged inside the stirring barrel (3), the axis of the stirring rod (7) coincides with the axis of the rotating shaft of the first motor (5), and the top end of the stirring rod (7) is fixedly connected to the rotating shaft of the first motor (5); a plurality of stirring blades (8) are horizontally arranged inside the stirring barrel (3), arranged on the outside of the stirring rod (7), and one end of a plurality of stirring blades (8) close to the stirring rod (7) is fixedly connected to the outer surface of the stirring rod (7); two heating plates (9) are vertically arranged on the side of the stirring barrel (3), and the two heating plates (9) are respectively connected to the side of the stirring barrel (3); The first electric valve (11) is arranged transversely inside the material drop opening (24) and is in communication with the material drop opening (24); the second motor (12) is arranged on the side of the mixing barrel (3) away from the tubular shaping cavity (4); the rotating shaft of the second motor (12) transversely penetrates the mixing barrel (3); the axis of the rotating shaft of the second motor (12) coincides with the axis of the tubular shaping cavity (4); the side of the second motor (12) close to the transport barrel (2) is fixedly connected to the outer surface of the transport barrel (2);The rotating rod (13) is transversely arranged inside the transport barrel (2), the axis of the rotating rod (13) coincides with the axis of the rotating shaft of the second motor (12), and the end of the rotating rod (13) close to the second motor (12) is fixedly connected to the rotating shaft of the second motor (12); the transport roller (14) is arranged inside the transport barrel (2), arranged on the outside of the rotating rod (13), the axis of the transport roller (14) coincides with the axis of the rotating shaft of the second motor (12), and the transport roller (14) is fixedly connected to the outer surface of the rotating rod (13); the first discharge port (15) is arranged on the side of the transport barrel (2), and the first discharge port (15) is arranged on the side of the transport barrel (2). A discharge port (15) is connected to the transport barrel (2) and the tubular shaping chamber (4); the cylindrical extrusion block (16) is transversely arranged inside the tubular shaping chamber (4), and is arranged on the side of the rotating rod (13) away from the second motor (12); the axis of the cylindrical extrusion block (16) coincides with the axis of the rotating shaft of the second motor (12); one end of the cylindrical extrusion block (16) close to the rotating rod (13) is fixedly connected to one end of the rotating rod (13) away from the second motor (12); the second discharge port (17) is arranged on the side of the tubular shaping chamber (4) away from the transport barrel (2); the second discharge port (17) ) is connected to the tubular shaping cavity (4) and to the outside world; the water pump (18) is arranged above the transport barrel (2), and the bottom surface of the water pump (18) is fixedly connected to the upper surface of the transport barrel (2); the cooling ring pipe (20) is horizontally arranged on the outside of the tubular shaping cavity (4), and the cooling ring pipe (20) is fixedly connected to the outer surface of the tubular shaping cavity (4); the water inlet pipe (19) is vertically arranged above the cooling ring pipe (20), and the water inlet pipe (19) is respectively connected to the cooling ring pipe (20) and the water outlet of the water pump (18); the water outlet pipe (22) is vertically arranged below the cooling ring pipe (20), and the The water outlet pipe (22) is in communication with the cooling ring pipe (20) and the outside world; the second electric valve (23) is transversely arranged inside the water outlet pipe (22), and the second electric valve (23) is connected to the water outlet pipe (22); the controller (25) is arranged on the outside of the mixing barrel (3), and the side of the controller (25) close to the mixing barrel (3) is fixedly connected to the outer surface of the mixing barrel (3), and the controller (25) is respectively electrically connected to the first motor (5), the first electric valve (11), the two heating plates (9), the second motor (12), the water pump (18), and the second electric valve (23).

2. A plastic pipe extrusion production machine according to claim 1, characterized in that The two support columns (1) are fixed to the transport barrel (2) by welding.

3. A plastic pipe extrusion production machine according to claim 1, characterized in that There are six stirring blades (8) in total, and they are arranged parallel to each other.

4. A plastic pipe extrusion production machine according to claim 1, characterized in that : It comprises a temperature sensor (10), wherein the temperature sensor (10) is arranged in the inner wall of the stirring barrel (3), the temperature sensor (10) is fixedly connected to the stirring barrel (3), and the temperature sensor (10) is electrically connected to the controller (25).

5. The plastic pipe extrusion production machine according to claim 1, characterized in that : comprising two coolers (21), the two coolers (21) being arranged inside the cooling ring pipe (20), the two coolers (21) being fixedly connected to the cooling ring pipe (20), and the two coolers (21) being electrically connected to the controller (25).

6. A plastic pipe extrusion production machine according to claim 1, characterized in that The two heating plates (9) are heated by resistance.

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