CN110667078A

CN110667078A - HDPE plastic tubing former

Info

Publication number: CN110667078A
Application number: CN201910955195.8A
Authority: CN
Inventors: 陈全明; 贾建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-01-10

Abstract

The invention discloses HDPE plastic pipe forming equipment, which relates to the technical field of pipeline processing, and comprises a machine barrel, a heating jacket I, a heating jacket II, a heating jacket III, an extrusion die and a material guide device, wherein a feeding port is arranged on the machine barrel, the heating jacket I, the heating jacket II and the heating jacket III are arranged outside the machine barrel, the machine barrel is divided into a preheating section, a heating section and a heat preservation section, the temperature of the heating jacket I, the temperature of the heating jacket II and the temperature of the heating jacket III are controlled by independent temperature control devices and heat sources, so that the temperatures of the preheating section, the heating section and the heat preservation section are different, and an outlet at the end part of the machine barrel is connected with the extrusion die through a connecting pipe, and the HDPE plastic: carry out the plastify banburying through the twin-screw to raw materials to heating temperature through the echelonment is in order to guarantee the effect of plastify banburying, when material temperature does not reach the settlement threshold value, can make the raw materials enter into the barrel again through the switching of valve and plasticize in order to guarantee finished product quality.

Description

HDPE plastic tubing former

Technical Field

The invention relates to the technical field of pipeline processing, in particular to HDPE plastic pipe forming equipment.

Background

HDPE is a highly crystalline, non-polar thermoplastic resin. The appearance of the original HDPE is milky white, and the micro-thin section is semitransparent to a certain degree. Compared with the traditional pipe, the HDPE plastic pipe not only has good economical efficiency, but also has a series of advantages of stable and reliable interface, impact resistance, cracking resistance, aging resistance, corrosion resistance and the like.

The HDPE plastic pipe is generally processed by an extruder, but the existing HDPE plastic pipe forming equipment is limited by factors such as temperature control and the like, and the quality of the finished product is relatively low.

Based on this, this application has proposed HDPE plastic tubing former.

Disclosure of Invention

The invention aims to provide HDPE plastic pipe forming equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a HDPE plastic tubing former, includes barrel, heating jacket I, heating jacket II, heating jacket III, extrusion tooling and guide device, be equipped with the feed inlet on the barrel, the externally mounted of barrel has heating jacket I, heating jacket II and heating jacket III, divides into preheating section, heating section and heat preservation section with the barrel, and heating jacket I, heating jacket II and heating jacket III are controlled the temperature by independent temperature control device and heat source, make the temperature inequality of preheating section, heating section and heat preservation section, the tip export of barrel is connected with extrusion tooling through the connecting pipe, extrusion tooling's output end position department is equipped with the guide device for the output is led to the shaping pipeline to cool off the pipeline of output.

As a still further scheme of the invention: the guide device comprises an outer housing and guide rollers, the guide rollers are respectively arranged in two rows and are arranged on the bottom plane of the outer housing, the surface of each guide roller is provided with an arc-shaped abdication for a pipeline, the guide rollers in the same row are connected through synchronous belt wheels and synchronous belts, and the synchronous belt wheels are driven by a discharge motor to rotate.

As a still further scheme of the invention: and the surface of the outer housing is also provided with an induced draft fan for inputting wind power into the outer housing to cool the pipeline.

As a still further scheme of the invention: the temperature measuring device is further installed in the connecting pipe, the connecting pipe is further connected with the machine barrel through a material return pipe, and valves are installed on the connecting pipe and the material return pipe.

As a still further scheme of the invention: the machine barrel is internally provided with a conical screw I and a conical screw II which are arranged in the same direction and used for plasticizing and banburying raw materials, and the feeding directions of the conical screw I and the conical screw II are kept consistent.

As a still further scheme of the invention: and a driving motor is arranged at one side of the machine barrel and drives the conical screw I and the conical screw II to rotate in the same direction and at the same speed through a reduction box and a transmission box.

As a still further scheme of the invention: and the shaft ends of the conical screw I and the conical screw II are respectively provided with a driven gear I and a driven gear II, the driven gear I and the driven gear II are respectively meshed with a driving gear, and the driving gear is arranged on an output shaft of the reduction box.

Compared with the prior art, the invention has the beneficial effects that: carry out the plastify banburying through the twin-screw to the raw materials to heating temperature through the echelonment is in order to guarantee the effect of plastify banburying, when the material temperature does not reach the settlement threshold value, can make the raw materials enter into the barrel again through the switching of valve and plasticize in order to guarantee finished product quality, and final shaping pipeline can be through the high-efficient stable outside output of guide device.

Drawings

Fig. 1 is a schematic structural diagram of an HDPE plastic pipe molding device.

Fig. 2 is a schematic structural view of a material guiding device in the HDPE plastic pipe molding equipment.

Fig. 3 is a schematic transmission diagram of an HDPE plastic pipe molding device.

In the figure: 1-machine barrel, 101-conical screw I, 102-conical screw II, 2-driving motor, 3-reduction gearbox, 4-transmission box, 401-driven gear I, 402-driven gear II, 403-driving gear, 5-feeding port, 6-heating jacket I, 7-heating jacket II, 8-heating jacket III, 9-connecting pipe, 10-extrusion die, 11-material guiding device, 111-outer cover shell, 112-guide roller, 113-motor mounting bracket, 114-discharging motor, 115-synchronous pulley and 12-material returning pipe.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Example 1

Referring to fig. 1-2, in an embodiment of the present invention, an HDPE plastic pipe forming apparatus includes a cylinder 1, a heating jacket I6, a heating jacket II7, a heating jacket III8, an extrusion mold 10, and a material guiding device 11,

wherein, the feeding port 5 is arranged on the machine barrel 1 and is used for inputting raw materials such as HDPE powder and additives into the machine barrel 1, the heating jacket I6, the heating jacket II7 and the heating jacket III8 are arranged outside the machine barrel 1, the machine barrel 1 is divided into a preheating section, a heating section and a heat preservation section, the temperature of the heating jacket I6, the temperature of the heating jacket II7 and the temperature of the heating jacket III8 are controlled by independent temperature control devices and heat sources, so as to ensure that the temperatures of the preheating section, the heating section and the heat preservation section are different, in this embodiment, the media introduced into the heating jacket I6, the heating jacket II7 and the heating jacket III8 can be heat conduction oil, steam or water, and the like, and no specific limitation is made herein, the end outlet of the machine barrel 1 is connected with the extrusion die 10 through the connecting pipe 9, the raw materials after mixing, shearing and banburying can be input into the extrusion die 10 to, and a material guide device 11 is arranged at the output end of the extrusion die 10 and used for guiding and outputting the formed pipeline and cooling the output pipeline.

Specifically, the material guide device 11 includes an outer casing 111 and guide rollers 112, the guide rollers 112 are respectively installed on the bottom plane of the outer casing 111 in two rows, the surface of the guide rollers 112 is provided with arc-shaped abdicating positions for the pipeline to ensure that the two rows of guide rollers 112 can perform good clamping and guiding on the pipeline, the guide rollers 112 in the same row are connected with a synchronous belt through a synchronous belt pulley 1115, and the synchronous belt pulley 1115 is driven by a discharging motor 114 to rotate so as to ensure that the guide rollers 112 have rotation power to guide the guide rollers 112.

Further, in this embodiment, an induced draft fan is further installed on the surface of the outer casing 111, and is used for inputting wind power into the outer casing 111 to cool the pipeline.

And when in actual application, still install temperature measuring device in the connecting pipe 9, temperature measuring device can be for temperature sensor, thermocouple etc. for detect the raw materials temperature in the connecting pipe 9, and connecting pipe 9 still is connected with barrel 1 through feed back pipe 12, can set up pay-off spiral etc. in the feed back pipe 12, carries the raw materials, all install the valve on connecting pipe 9 and the feed back pipe 12, when the raw materials temperature in the connecting pipe 9 does not reach the settlement threshold value, can make the raw materials enter into barrel 1 again through the switching of valve and plasticize, when the raw materials temperature reaches the settlement requirement, with raw materials input in the extrusion tooling 10.

Example 2

Referring to fig. 1 to 3, in the embodiment of the invention, in the HDPE plastic pipe forming apparatus, a conical screw I101 and a conical screw II102 which are arranged in the same direction are installed in a cylinder 1 for plasticizing and banburying raw materials, and the feeding directions of the conical screw I101 and the conical screw II102 are consistent.

Specifically, a driving motor 2 is installed at one side of the machine barrel 1, and the driving motor 2 drives the conical screw I101 and the conical screw II102 to rotate in the same direction and at the same speed through a reduction box 3 and a transmission box 4. Specifically, the method comprises the following steps: the shaft ends of the conical screw I101 and the conical screw II102 are respectively provided with a driven gear I401 and a driven gear II402, the driven gear I401 and the driven gear II402 are respectively meshed with a driving gear 403, and the driving gear 403 is arranged on an output shaft of the reduction gearbox 3 so as to drive the conical screw I101 and the conical screw II 102.

With reference to the embodiments 1-2, it is easy to understand that the working principle of the technical scheme is as follows: raw materials such as HDPE powder, additives and the like enter the machine barrel 1 through the feeding port 5, are plasticized and internally mixed and finally enter the connecting pipe 9 under the driving of the heating jacket II7 and the heating jacket III8 and the action of the heating jacket I6, the heating jacket II7 and the heating jacket III8, when the temperature measuring device detects that the temperature of the raw materials does not reach a set threshold value, the raw materials enter the machine barrel 1 again for plasticizing through the switching of a valve, and are input into the extrusion die 10 until the temperature of the raw materials reaches a set requirement, the raw materials are molded into a pipeline in the extrusion die 10, enter the material guide device 11, are clamped between two rows of guide rollers 112, and are output outwards and cooled.

It should be particularly noted that, in this technical scheme, carry out the plastify banburying through the twin-screw to raw materials to through the effect of echelonment heating temperature in order to guarantee the plastify banburying, when material temperature does not reach the settlement threshold value, can make the raw materials enter into barrel 1 again through the switching of valve and plasticize, in order to guarantee finished product quality, the outside output that final shaping pipeline can be through guide device 11 high efficiency stable.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An HDPE plastic pipe forming device comprises a machine barrel (1), a heating jacket I (6), a heating jacket II (7), a heating jacket III (8), an extrusion die (10) and a material guiding device (11), and is characterized in that a feeding port (5) is arranged on the machine barrel (1), the heating jacket I (6), the heating jacket II (7) and the heating jacket III (8) are arranged outside the machine barrel (1), the machine barrel (1) is divided into a preheating section, a heating section and a heat preservation section, the heating jacket I (6), the heating jacket II (7) and the heating jacket III (8) are controlled by independent temperature control devices and heat sources, so that the temperatures of the preheating section, the heating section and the heat preservation section are different, an end outlet of the machine barrel (1) is connected with the extrusion die (10) through a connecting pipe (9), the material guiding device (11) is arranged at the position of an output end of the extrusion die (10), the cooling device is used for guiding and outputting the formed pipeline and cooling the output pipeline.

2. The HDPE plastic pipe forming device according to claim 1, wherein the material guiding device (11) comprises an outer housing (111) and two rows of guide rollers (112), the guide rollers (112) are respectively installed on the bottom plane of the outer housing (111), the surface of each guide roller (112) is provided with an arc-shaped abdication for the pipeline, the guide rollers (112) in the same row are connected with a synchronous belt through a synchronous pulley (1115), and the synchronous pulley (1115) is driven by the discharging motor (114) to rotate.

3. The HDPE plastic pipe molding device as claimed in claim 1, wherein an induced draft fan is further installed on the surface of the outer housing (111) for inputting wind force into the outer housing (111) to cool the pipe.

4. An HDPE plastic pipe forming device according to claim 1, 2 or 3, characterized in that a temperature measuring device is further installed in the connecting pipe (9), the connecting pipe (9) is further connected with the machine barrel (1) through a material return pipe (12), and valves are installed on the connecting pipe (9) and the material return pipe (12).

5. Equipment for forming HDPE plastic pipe according to claim 4, wherein the barrel (1) is equipped with a conical screw I (101) and a conical screw II (102) which are arranged in the same direction for plasticizing and banburying the raw materials, and the feeding direction of the conical screw I (101) and the conical screw II (102) is kept consistent.

6. The HDPE plastic pipe forming device according to claim 1, 2, 3 or 5, wherein a driving motor (2) is installed at one side of the cylinder (1), and the driving motor (2) drives the conical screw I (101) and the conical screw II (102) to rotate in the same direction and at the same speed through the reduction box (3) and the transmission box (4).

7. The HDPE plastic pipe forming device according to claim 6, wherein the shaft ends of the conical screw I (101) and the conical screw II (102) are respectively provided with a driven gear I (401) and a driven gear II (402), the driven gear I (401) and the driven gear II (402) are respectively meshed with a driving gear (403), and the driving gear (403) is arranged on an output shaft of the reduction gearbox (3).