CN215825930U

CN215825930U - Single screw extruder is used in production of polyethylene outer pillar

Info

Publication number: CN215825930U
Application number: CN202122298964.7U
Authority: CN
Inventors: 王军; 王进
Original assignee: Nanjing Hongwei Rubber And Plastic Machinery Parts Co ltd
Current assignee: Nanjing Hongwei Rubber And Plastic Machinery Parts Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-15
Anticipated expiration: 2031-09-18

Abstract

The application discloses a single screw extruder for producing a polyethylene outer protective pipe, which relates to the technical field of polyethylene pipe production and solves the problems that when the conventional single screw extruder for producing the polyethylene outer protective pipe is used for producing, the cooling speed of a pipe is low, the pipe is easy to deform, and the production quality of the pipe is further influenced; the cooling assembly comprises a water tank fixed on the mounting plate, a shell is fixedly mounted on the upper surface of the water tank, and a water pump is mounted inside the water tank. This application passes through the water pump and takes out the water in the water tank to the inside of spiral pipe through the delivery pipe, and the axle center department that passes the spiral pipe from extruding end extrusion's tubular product, and the heat of tubular product is absorbed and is taken away to the water that flows, simultaneously, starts the heat dissipation fan, realizes the rapid cooling to tubular product to promote the tubular product quality.

Description

Single screw extruder is used in production of polyethylene outer pillar

Technical Field

The application relates to the technical field of polyethylene pipe production, in particular to a single-screw extruder for producing a polyethylene outer protective pipe.

Background

Polyethylene pipe is also known as high density polyethylene. Polyethylene is a nonpolar thermoplastic resin with high crystallinity, the appearance of the original polyethylene is milk white, and the original polyethylene is semitransparent in a certain degree on a micro-thin section, a single-screw extruder is commonly used for producing polyethylene pipes, the single-screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, and can be used for processing various plastic products, such as blown films, extruded pipes, pressing plates, wire drawing belts and the like, and can also be used for melt granulation.

When the existing single-screw extruder for producing the polyethylene outer protective pipe is used for production, the cooling speed of the pipe is low, so that the pipe is easy to deform, and the production quality of the pipe is further influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve current polyethylene outer pillar production and use single screw extruder when production, tubular product cooling rate is slower, makes tubular product easy deformation, and then influences the problem of the quality of tubular product production, this application provides a polyethylene outer pillar production and uses single screw extruder.

The application provides a single screw extruder is used in production of polyethylene outer pillar, adopts following technical scheme:

a single-screw extruder for producing a polyethylene outer protective pipe comprises a body and an extrusion end arranged on one side of the body, wherein one side of the body is fixedly connected with a mounting plate, and a cooling assembly is arranged on the mounting plate;

the cooling assembly comprises a water tank fixed on the mounting plate, a shell is fixedly mounted on the upper surface of the water tank, a water pump is mounted inside the water tank, an output end of the water pump is fixedly connected with a water supply pipe, a spiral pipe is fixedly connected with the end of the water supply pipe, a return pipe is fixedly connected between the water outlet end of the spiral pipe and the water tank, and a heat dissipation fan is mounted on the inner top wall of the shell.

Through adopting above-mentioned technical scheme, through cooling module's setting, can cool down the pipeline of extrusion, be difficult for making tubular product warp to promote tubular product quality.

Optionally, a collecting tank is arranged at the bottom of the casing, and a connecting pipe is connected between the collecting tank and the water tank.

Through adopting above-mentioned technical scheme, through the setting of collecting vat, can collect the liquefied water droplet in spiral pipe surface, then flow to the inside of water tank through the connecting tube.

Optionally, the top fixedly connected with inlet pipe of body, the top of inlet pipe is provided with the feeder hopper, the first connecting pipe of the equal fixedly connected with in both sides of feeder hopper bottom, the bottom fixedly connected with of first connecting pipe filters the casing, filter the bottom of casing and install the filter screen, it is connected with the inlet pipe through the second connecting pipe between casing and the inlet pipe to filter.

Through adopting above-mentioned technical scheme, through the setting of filter screen, can carry out impurity filtering to the material of adding to improve the production quality of tubular product.

Optionally, the motor is installed at the top of the filtering shell, the output end of the motor is fixedly connected with a connecting rod, and the connecting rod is located at one end of the filtering shell, which is fixedly connected with the scraper.

Through adopting above-mentioned technical scheme, through the setting of scraper blade, can clear up the surface of filter screen, prevent that the filter screen from blockking up to improve unloading efficiency.

Optionally, a movable door is installed on one side of the filtering shell.

Through adopting above-mentioned technical scheme, through the setting of dodge gate, can conveniently clear up the impurity on the filter screen.

Optionally, the body is provided with a controller.

Through adopting above-mentioned technical scheme, through the setting of controller, realize the control to water pump, heat dissipation fan, motor and body.

In summary, the present application includes at least one of the following benefits:

this application passes through the water pump and takes out the water in the water tank to the inside of spiral pipe through the delivery pipe, and the axle center department that passes the spiral pipe from extruding end extrusion's tubular product, and the heat of tubular product is absorbed and is taken away to the water that flows, simultaneously, starts the heat dissipation fan, realizes the rapid cooling to tubular product to promote the tubular product quality.

Drawings

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

FIG. 2 is a schematic cross-sectional front view of the cooling module of the present invention;

fig. 3 is a schematic front sectional view of the filter housing according to the present invention.

Description of reference numerals: 1. a body; 2. an extrusion end; 3. mounting a plate; 4. a water tank; 5. a housing; 6. a water pump; 7. a water supply pipe; 8. a spiral tube; 9. a return pipe; 10. a heat dissipation fan; 11. collecting tank; 12. a connecting pipe; 13. a feed pipe; 14. a feed hopper; 15. a first connecting pipe; 16. a filter housing; 17. filtering with a screen; 18. a second connecting pipe; 19. a motor; 20. a connecting rod; 21. a squeegee; 22. a movable door; 23. and a controller.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Please refer to fig. 1 and 2, a single screw extruder for producing a polyethylene outer protective pipe comprises a body 1 and an extrusion end 2 installed on one side of the body 1, wherein a mounting plate 3 is fixedly connected to one side of the body 1, and a cooling assembly is installed on the mounting plate 3.

Cooling element is including fixing water tank 4 on mounting panel 3, the last fixed surface of water tank 4 installs casing 5, the internally mounted of water tank 4 has water pump 6, output fixedly connected with delivery pipe 7 of water pump 6, the tip fixedly connected with spiral pipe 8 of delivery pipe 7, the axle center of spiral pipe 8 is located same water flat line with the axle center of extruding end 2, fixedly connected with back flow 9 between the play water end of spiral pipe 8 and the water tank 4, setting through back flow 9, make rivers can flow back to the inside of water tank 4, thereby realize the recycle of water resource, heat dissipation fan 10 is installed to the interior roof of casing 5, heat dissipation fan 10 is located spiral pipe 8 directly over, setting through heat dissipation fan 10, can play supplementary radiating effect to tubular product.

Referring to fig. 1 and 2, the bottom of casing 5 is provided with collecting vat 11, and collecting vat 11 is the ramp design, is connected with connecting pipe 12 between collecting vat 11 and the water tank 4, and connecting pipe 12 installs in the lower one end of collecting vat 11, through the setting of collecting vat 11, can collect the water droplet of 8 surperficial liquefaction on spiral pipe, then flows to the inside of water tank 4 through connecting pipe 12.

Referring to fig. 1 and 3, the top fixedly connected with inlet pipe 13 of body 1, the top of inlet pipe 13 is provided with feeder hopper 14, the first connecting pipe 15 of the equal fixedly connected with in both sides of feeder hopper 14 bottom, the bottom fixedly connected with of first connecting pipe 15 filters casing 16, filter screen 17 is installed to the bottom of filtering casing 16, be connected with inlet pipe 13 through second connecting pipe 18 between filtering casing 16 and the inlet pipe 13, setting through filter screen 17, can carry out impurity filtering to the material of adding, thereby improve the production quality of tubular product.

Referring to fig. 1 and 3, motor 19 is installed at the top of filtering shell 16, and motor 19's output fixedly connected with connecting rod 20, connecting rod 20 pass through the bearing and filter shell 16 and rotate and be connected, and connecting rod 20 is located the inside one end fixedly connected with scraper blade 21 of filtering shell 16, through the setting of scraper blade 21, can clear up the surface of filter screen 17, prevents that filter screen 17 from blockking up to improve unloading efficiency.

Referring to fig. 3, a movable door 22 is installed on one side of the filtering shell 16, the movable door 22 is connected with the filtering shell 16 through a hinge, a connecting assembly for connection is arranged between the movable door 22 and the filtering shell 16, and impurities on the filter screen 17 can be conveniently cleaned through the arrangement of the movable door 22.

Referring to fig. 1, a controller 23 is installed on a body 1, a water pump 6, a heat dissipation fan 10, a motor 19 and the body 1 are all electrically connected with the controller 23, and the water pump 6, the heat dissipation fan 10, the motor 19 and the body 1 are controlled by the controller 23.

The implementation principle of the application is as follows:

when the water cooling device is used, the water pump 6 is started, the water in the water tank 4 is pumped into the spiral pipe 8 by the water pump 6 through the water supply pipe 7, the pipe extruded from the extrusion end 2 passes through the axis of the spiral pipe 8, the heat of the pipe is absorbed and taken away by flowing water, meanwhile, the heat dissipation fan 10 is started to realize rapid cooling of the pipe, and then the water in the spiral pipe 8 flows back to the inside of the water tank 4 through the return pipe 9 to realize recycling of water resources; when adding the raw materials to the inside of body 1, the raw materials in the feeder hopper 14 enters into the inside of two filter shell bodies 16 respectively through two first connecting pipes 15, filter screen 17 filters the back to the impurity in the raw materials, the raw materials enters into to the inside of inlet pipe 13 through second connecting pipe 18, finally get into inside the body 1, through starter motor 19, motor 19's rotation drives the scraper blade 21 rotation of connecting rod 20 and bottom, clear up the upper surface of filter screen 17, prevent that filter screen 17 from blockking up.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a production of polyethylene outer pillar is with single screw extruder, includes body (1) and installs and extrude end (2) in body (1) one side, its characterized in that: one side of the body (1) is fixedly connected with an installation plate (3), and a cooling assembly is installed on the installation plate (3);

cooling unit is including fixing water tank (4) on mounting panel (3), the last fixed surface of water tank (4) installs casing (5), the internally mounted of water tank (4) has water pump (6), the output fixedly connected with delivery pipe (7) of water pump (6), the tip fixedly connected with spiral pipe (8) of delivery pipe (7), fixedly connected with back flow (9) between the play water end of spiral pipe (8) and water tank (4), heat dissipation fan (10) are installed to the interior roof of casing (5).

2. The single screw extruder for producing the polyethylene outer protective pipe according to claim 1, wherein: the bottom of casing (5) is provided with collecting vat (11), be connected with connecting pipe (12) between collecting vat (11) and water tank (4).

3. The single screw extruder for producing the polyethylene outer protective pipe according to claim 1, wherein: the top fixedly connected with inlet pipe (13) of body (1), the top of inlet pipe (13) is provided with feeder hopper (14), the first connecting pipe (15) of the equal fixedly connected with in both sides of feeder hopper (14) bottom, the bottom fixedly connected with of first connecting pipe (15) filters casing (16), filter screen (17) are installed to the bottom of filtering casing (16), be connected with inlet pipe (13) through second connecting pipe (18) between filtering casing (16) and inlet pipe (13).

4. The single screw extruder for producing the polyethylene outer sheath according to claim 3, wherein: the top of filtering shell (16) is installed motor (19), the output fixedly connected with connecting rod (20) of motor (19), connecting rod (20) are located the inside one end fixedly connected with scraper blade (21) of filtering shell (16).

5. The single screw extruder for producing the polyethylene outer sheath according to claim 3, wherein: one side of the filtering shell (16) is provided with a movable door (22).

6. The single screw extruder for producing the polyethylene outer protective pipe according to claim 1, wherein: the body (1) is provided with a controller (23).