CN114043699A

CN114043699A - PE pipe extrusion molding device

Info

Publication number: CN114043699A
Application number: CN202111354106.8A
Authority: CN
Inventors: 杨林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-02-15

Abstract

The invention relates to a PE pipe extrusion molding device which comprises a bottom plate frame, a support frame and an extrusion molding assembly, wherein the support frame is arranged in the middle of the upper end of the bottom plate frame, the extrusion molding assembly is arranged on the left side of the upper end of the bottom plate frame, and the middle of the extrusion molding assembly is positioned at the upper end of the support frame. The invention can solve the problems that the prior PE pipe can not effectively process the whole circle inside the PE pipe, so that the formed PE pipe is easy to generate an irregular phenomenon, the inner wall of the PE pipe is easy to generate the defects of roughness, depression, bubbles and the like, and the subsequent use effect of the pipe is influenced, and meanwhile, when the prior PE pipe is processed, the wall thickness of the PE pipe is usually adjusted by replacing different molds, the wall thickness of the PE pipe can not be accurately and conveniently adjusted, the processing efficiency of the PE pipe is influenced, and the like.

Description

PE pipe extrusion molding device

Technical Field

The invention relates to the field of PE pipes, in particular to a PE pipe extrusion molding device.

Background

The PE pipe is one of the most common pipelines and has the advantages of low-temperature impact resistance, chemical corrosion resistance, wear resistance and the like; the plastic pipeline in China develops quickly, and the quality is improved continuously; at present, because of its unique advantages, PE pipe is widely used in building water supply, building drainage, buried drainage pipe, building heating, gas transmission and distribution, gas pipe, electrical and telecommunication protective casing, industrial pipe, agricultural pipe, etc., and it is mainly used in city water supply, city gas supply, farmland irrigation, etc.

At present, the existing PE pipe generally has the following defects during the forming and processing: 1. when the existing PE pipe is processed, the inner part of the PE pipe cannot be effectively processed in a full circle, so that the formed PE pipe is easy to have an irregular phenomenon, and the inner wall of the PE pipe is easy to have the defects of roughness, depression, bubbles and the like, so that the subsequent use effect of the PE pipe is influenced; 2. when an existing PE pipe is processed, the wall thickness of a PE pipeline is required to be adjusted usually by replacing different dies, the wall thickness of the PE pipeline cannot be adjusted accurately and conveniently, and the processing efficiency of the PE pipeline is affected.

Disclosure of Invention

Technical problem to be solved

The invention can solve the problems that the prior PE pipe can not effectively process the whole circle inside the PE pipe, so that the formed PE pipe is easy to generate an irregular phenomenon, the inner wall of the PE pipe is easy to generate the defects of roughness, depression, bubbles and the like, and the subsequent use effect of the pipe is influenced, and meanwhile, when the prior PE pipe is processed, the wall thickness of the PE pipe is usually adjusted by replacing different molds, the wall thickness of the PE pipe can not be accurately and conveniently adjusted, the processing efficiency of the PE pipe is influenced, and the like.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a PE pipe extrusion molding device, includes bottom plate frame, support frame and extrusion molding subassembly, bottom plate frame upper end mid-mounting have the support frame, the extrusion molding subassembly is installed in bottom plate frame upper end left side, extrusion molding subassembly middle part is located the support frame upper end.

The plastic extruding component comprises a baffle, a fixed cylinder, a feeding pipe, a driving unit, a stirring unit, a filter plate, a conical frame and a rounding unit, wherein the baffle is arranged on the left side of the upper end of the bottom plate frame, a connecting flange is arranged on the right side surface of the baffle, the fixed cylinder is connected with the connecting flange through a screw, the fixed cylinder is detachably connected and can further process pipelines with different sizes, the inner wall of the fixed cylinder is of a smooth structure with a heat preservation function, the feeding pipe is arranged on the left side of the upper end of the fixed cylinder, the driving unit is arranged on the baffle, the right end of the driving unit is positioned in the fixed cylinder, the stirring unit is arranged on the left side of the driving unit, the conical frame is arranged on the right side of the driving unit through a bearing, the outer surface of the conical frame is a smooth surface, the middle part of the outer side of the conical frame is connected with the fixed cylinder through a screw, the filter plate is arranged at the left end of the conical frame, the outer side of the filter plate is connected with the fixed cylinder in a sliding fit manner, the fixed cylinder is provided with a sliding groove matched with the filter plate, the outer side of the filter plate is hermetically connected with the fixed cylinder, and the right end face of the driving unit is provided with a rounding unit.

The rounding unit comprises a fixing frame, an adjusting mechanism, an adjusting frame, connecting pads and a rotating roller, the fixing frame is mounted on the right side of the driving unit through screws, the adjusting mechanism is mounted in the fixing frame, the adjusting frame is symmetrically mounted on the outer side of the adjusting mechanism, the rotating roller is uniformly mounted between the adjusting frames through bearings, and the connecting pads are mounted between the outer side of the adjusting frame located on the inner side of the fixing cylinder and the driving unit.

Adjustment mechanism including adjusting pole, regulating plate, slider and guide arm, the mount inside install the regulation pole through the bearing, adjust the pole inboard and be connected with drive unit through the bearing, the regulating plate is installed to the symmetry on the regulation pole, is provided with the external screw thread on the regulating plate lateral surface, the external screw thread is the plane structure, evenly is provided with the round hole on the mount, is connected with the guide arm through sliding fit's mode in the round hole, the slider is installed to the guide arm inboard, be provided with on the slider with external screw thread fit's thread groove, the guide arm outside is connected with the alignment jig.

As a preferred technical scheme of the invention, the driving unit comprises a driving motor and a rotating shaft, the driving motor is installed on the left side of the baffle through a motor base, the rotating shaft is installed on the baffle through a bearing, the rotating shaft is connected with an output shaft of the driving motor, the section of the rotating shaft is of a T-shaped structure, the connecting area of the rotating shaft and the rounding unit is increased, the phenomenon that the rounding unit shakes during movement is prevented, and a threaded hole matched with the rounding unit is formed in the right side of the rotating shaft.

As a preferred technical scheme, the stirring unit comprises a connecting plate and a stirring frame, the connecting plate is mounted on the driving unit, inclined clamping grooves are uniformly formed in the connecting plate, the stirring frame is detachably mounted in the clamping grooves, and the stirring frame can play a role in stirring and feeding.

As a preferred technical scheme of the invention, the filter plate is of an annular structure, the left side of the filter plate is provided with an annular groove, the right side surface of the filter plate is uniformly provided with through holes communicated with the annular groove, a steel wire mesh frame is arranged in the annular groove, the right side surface of the steel wire mesh frame is uniformly provided with a filter screen, the filter screen is positioned in the through holes, and the filter screen can effectively filter impurities which are not melted in the raw materials.

As a preferred technical scheme of the invention, the adjusting frame comprises arc-shaped blocks, connecting blocks and connecting springs, the arc-shaped blocks are arranged outside the adjusting mechanism and are of a fan-shaped structure, the rotating rollers are arranged in the middle of the fan-shaped structures of the arc-shaped blocks, sliding grooves are formed in the arc-shaped blocks, the connecting blocks are arranged in the sliding grooves between the adjacent arc-shaped blocks and are of an arc-shaped structure, and the connecting springs are arranged between the connecting blocks and the arc-shaped blocks.

As a preferred technical scheme of the invention, the connecting pad is of an annular structure, the connecting pad is made of flexible wear-resistant rubber, the end part of the connecting pad is respectively connected with the driving unit and the end part of the adjusting frame, and the connecting pad can be adjusted randomly according to the size of the adjusting frame.

As a preferred technical scheme of the invention, the surface of the rotating roller is a smooth surface, the surface of the rotating roller is coated with an anti-sticking layer, the anti-sticking layer is a polytetrafluoroethylene layer, and the surface of the rotating roller is also sprayed with a release agent, so that the phenomenon that a formed pipeline is adhered to the surface of the rotating roller is further prevented, and the accurate forming of a PE pipeline is facilitated.

(III) advantageous effects

1. According to the PE pipe extrusion molding device provided by the invention, the rounding unit can round the inner wall of the molded PE pipe, so that the regular round and the regular roundness of the section of the molded pipe are ensured, meanwhile, the defects of roughness, depression, bubbles and the like on the inner wall of the PE pipe can be avoided, the stress concentration of the PE pipe at the depression and the bubble under the high-temperature and high-pressure regulation is avoided, and the phenomenon of cracking of the PE pipe is prevented;

2. according to the PE pipe extrusion molding device provided by the invention, the adjusting mechanism can accurately adjust the distance between the rounding unit and the fixed cylinder, so that the function of processing pipelines with different wall thicknesses can be realized, the phenomenon of low efficiency caused by die replacement is avoided, and the processing efficiency of the pipelines is improved;

3. according to the PE pipe extrusion molding device, the connecting pad is designed to be of a flexible structure, and when the size of the adjusting mechanism is changed, the connecting pad can be randomly contracted by the size of the adjusting mechanism, so that raw materials can effectively pass through the outer side of the rounding unit, and accurate processing of a PE pipe is facilitated;

4. according to the PE pipe extrusion molding device provided by the invention, the filter plate can effectively filter large-particle impurities which are molten in the raw materials, so that the impurities are prevented from generating spots on the surface of a PE pipe, and the quality effect of the formed PE pipe is ensured.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic cross-sectional view of the baffle plate, the fixing cylinder, the feeding pipe, the driving unit, the stirring unit, the filter plate and the conical frame according to the present invention;

FIG. 6 is a schematic cross-sectional view of a filter plate according to the present invention;

FIG. 7 is a schematic diagram of a first cross-sectional structure of the rounding unit according to the present invention;

fig. 8 is a schematic diagram of a second cross-sectional structure of the rounding unit according to the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in figures 1 to 8, a PE pipe extrusion molding device, including bottom plate frame 1, support frame 2 and extrusion molding subassembly 3, 1 upper end mid-mounting of bottom plate frame have support frame 2, extrusion molding subassembly 3 is installed in 1 upper end left side of bottom plate frame, 3 middle parts of extrusion molding subassembly are located 2 upper ends of support frame.

The extrusion molding component 3 comprises a baffle 31, a fixed cylinder 32, a feeding pipe 33, a driving unit 34, a stirring unit 35, a filter plate 36, a conical frame 37 and a rounding unit 38, the baffle 31 is installed on the left side of the upper end of the bottom plate frame 1, a connecting flange is arranged on the right side surface of the baffle 31, the fixed cylinder 32 is connected with the connecting flange through screws, the feeding pipe 33 is installed on the left side of the upper end of the fixed cylinder 32, the driving unit 34 is installed on the baffle 31, the right end of the driving unit 34 is located inside the fixed cylinder 32, the stirring unit 35 is installed on the left side of the driving unit 34, the conical frame 37 is installed on the right side of the driving unit 34 through a bearing, the middle part of the outer side of the conical frame 37 is connected with the fixed cylinder 32 through screws, the filter plate 36 is installed on the left end of the conical frame 37, the outer side of the filter plate 36 is connected with the fixed cylinder 32 in a sliding fit manner, and the outer side of the filter plate 36 is hermetically connected with the fixed cylinder 32, install whole circle unit 38 on the drive unit 34 right-hand member face, in concrete work, inside the PE raw materials got into fixed cylinder 32 through inlet pipe 33, drive unit 34 drove stirring unit 35 and stirs the extrusion to the PE raw materials, make the PE raw materials remove right through filter plate 36, toper frame 37 drives PE raw materials extrusion, whole circle unit 38 can carry out whole circle processing to the pipeline inner wall after the shaping, avoid the PE pipeline after the shaping to appear anomalous phenomenon, can increase the smoothness degree of PE pipeline inner wall simultaneously, reduce the resistance of PE pipeline inner wall.

The driving unit 34 include driving motor 341 and axis of rotation 342, driving motor 341 is installed through the motor cabinet in baffle 31 left side, install axis of rotation 342 through the bearing on the baffle 31, axis of rotation 342 is connected with driving motor 341's output shaft, axis of rotation 342 cross-section is T font structure, axis of rotation 342 right side is provided with the screw hole with the cooperation of rounding unit 38, during concrete work, driving motor 341 can drive stirring unit 35 and the synchronous rotation of rounding unit 38 through axis of rotation 342, guarantees that the pipeline can accurate extrusion.

Stirring unit 35 include connecting plate 351 and stirring frame 352, connecting plate 351 install on drive unit 34, evenly be equipped with the draw-in groove of slope on the connecting plate 351, detachable installs stirring frame 352 in the draw-in groove, concrete during operation, when drive unit 34 drives stirring frame 352 and rotates, stirring frame 352 can stir the raw materials, prevent that the phenomenon that the melting raw materials takes place to solidify, stirring frame 352 slope sets up simultaneously for stirring frame 352 can drive the raw materials right movement, the accurate extrusion of the PE pipeline of being convenient for.

Filter 36 be the loop configuration, filter 36 left side is provided with the ring channel, filter 36 right flank evenly is provided with the through-hole that communicates with the ring channel, install the wire net frame in the ring channel, evenly be provided with the filter screen on the wire net frame right flank, the filter screen is located the through-hole, concrete during operation, the wire net frame can play the effect of protection effectively, the filter screen can filter the inside large granule impurity for melting of raw materials effectively, prevent that the impurity from producing the spot to PE pipeline surface, guarantee the quality effect after the PE pipeline shaping.

The rounding unit 38 comprises a fixing frame 381, an adjusting mechanism 382, an adjusting frame 383, a connecting pad 384 and a rotating roller 385, wherein the fixing frame 381 is installed on the right side of the driving unit 34 through screws, the adjusting mechanism 382 is installed in the fixing frame 381, the adjusting frames 383 are symmetrically installed on the outer sides of the adjusting mechanism 382, the rotating roller 385 is evenly installed between the adjusting frames 383 through bearings, and the connecting pad 384 is installed between the outer side of the adjusting frame 383 positioned on the inner side of the fixing cylinder 32 and the driving unit 34. in specific work, when the driving unit 34 rotates, the driving unit 34 can drive the rotating roller 385 to rotate, so that the rotating roller 385 can round the inner wall of the molded PE pipeline, the cross section of the molded pipeline is ensured to be regular and round, meanwhile, the defects of roughness, depression, bubbles and the like of the inner wall of the PE pipeline can be avoided, and stress concentration of the pipeline at the depression and the bubbles under high-temperature and high-pressure adjustment can be avoided, preventing the phenomenon of causing the pipeline to break.

The adjusting mechanism 382 comprises an adjusting rod 3821, an adjusting plate 3822, a sliding block 3823 and a guide rod 3824, the inside of the fixing frame 381 is provided with the adjusting rod 3821 through a bearing, the inner side of the adjusting rod 3821 is connected with the driving unit 34 through a bearing, the adjusting plate 3822 is symmetrically installed on the adjusting rod 3821, the outer side surface of the adjusting plate 3822 is provided with an external thread, the external thread is of a planar structure, the fixing frame 381 is uniformly provided with a round hole, the guide rod 3824 is connected in the round hole in a sliding fit manner, the sliding block 3823 is installed on the inner side of the guide rod 3824, the sliding block 3823 is provided with a thread groove matched with the external thread, the outer side of the guide rod 3824 is connected with the adjusting frame 383, during specific work, when the adjusting rod 3821 is manually rotated, the adjusting rod 3821 rotates through the adjusting plate 3822, the external thread on the outer side of the adjusting plate 3822 drives the guide rod 3824 to synchronously ascend or descend through the sliding block 3823, so that the guide rod 3824 can accurately adjust the opening size of the adjusting frame 383, and then can be directed against the PE pipeline of different wall thicknesses and process, the follow-up use of the PE pipeline of being convenient for.

Adjusting bracket 383 include arc piece 3831, connecting block 3832 and coupling spring 3833, arc piece 3831 install in the adjustment mechanism 382 outside, arc piece 3831 is fan-shaped structure, arc piece 3831 is the middle rotation roller 385 of installing of fan-shaped structure, arc piece 3831 inside is provided with the spout, be provided with connecting block 3832 in the spout between the adjacent arc piece 3831, connecting block 3832 is the arc structure, install coupling spring 3833 between connecting block 3832 and the arc piece 3831, concrete during operation, when adjustment mechanism 382 drives arc piece 3831 upward movement, connecting block 3832 outwards move, and then can increase the interval between the arc piece 3831 outside and the fixed cylinder 32 inside, and then can realize the function of processing the pipeline of different wall thicknesses.

The connecting pad 384 is of an annular structure, the connecting pad 384 is made of flexible wear-resistant rubber, the end part of the connecting pad 384 is respectively connected with the driving unit 34 and the end part of the adjusting frame 383, and when the size of the adjusting frame 383 is adjusted, the connecting pad 384 can be adjusted to be randomly contracted in the size of the adjusting frame 383, so that raw materials can effectively pass through the outer side of the rounding unit 38, and accurate processing of the PE pipeline is facilitated.

The surface of the rotating roller 385 is a smooth surface, the surface of the rotating roller 385 is coated with an anti-sticking layer, the anti-sticking layer is a polytetrafluoroethylene layer, the surface of the rotating roller 385 is further coated with a release agent, the anti-sticking layer can effectively prevent raw materials from being adhered to the rotating roller 385, and the raw materials are prevented from influencing the smoothness of the inner wall of the PE pipeline.

The working steps of the invention during use are as follows:

s1: injecting raw materials: the feeding pipe 33 is communicated with an external feeding pipe, so that the PE raw material in a molten state enters the fixed cylinder 32 through the feeding pipe 33;

s2: conveying raw materials: when the driving unit 34 drives the stirring frame 352 to rotate, the stirring frame 352 can stir the raw materials to prevent the molten raw materials from being solidified, and meanwhile, the stirring frame 352 is obliquely arranged to enable the stirring frame 352 to drive the raw materials to move rightwards, so that the filter plate 36 can effectively filter large molten particle impurities in the raw materials, prevent the impurities from generating spots on the surface of the PE pipeline, and ensure the quality effect of the formed PE pipeline;

s3: and (3) extrusion molding: when the raw materials pass through the right end of the conical frame 37, the PE pipeline is extruded and molded, the rounding unit 38 can carry out rounding processing on the inner wall of the molded pipeline, the irregular phenomenon of the molded PE pipeline is avoided, meanwhile, the smoothness degree of the inner wall of the PE pipeline can be increased, and the resistance of the inner wall of the PE pipeline is reduced;

s4: wall thickness adjustment: when the pole 3821 is adjusted in artifical rotation, adjust pole 3821 and rotate through regulating plate 3822, the external screw thread in the regulating plate 3822 outside drives guide arm 3824 through slider 3823 and rises or descend in step for guide arm 3824 can adjust the opening size of alignment jig 383 accurately, and then can process to the PE pipeline of different wall thicknesses.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a PE pipe extrusion molding device, includes bottom plate frame (1), support frame (2) and extrusion molding subassembly (3), its characterized in that: bottom plate frame (1) upper end mid-mounting have support frame (2), extrusion molding subassembly (3) are installed in bottom plate frame (1) upper end left side, extrusion molding subassembly (3) middle part is located support frame (2) upper end, wherein:

the extrusion molding component (3) comprises a baffle (31), a fixed cylinder (32), a feeding pipe (33), a driving unit (34), a stirring unit (35), a filter plate (36), a conical frame (37) and a rounding unit (38), wherein the baffle (31) is installed on the left side of the upper end of the bottom plate frame (1), a connecting flange is arranged on the right side surface of the baffle (31), the fixed cylinder (32) is connected with the connecting flange through a screw, the feeding pipe (33) is installed on the left side of the upper end of the fixed cylinder (32), the driving unit (34) is installed on the baffle (31), the right end of the driving unit (34) is positioned inside the fixed cylinder (32), the stirring unit (35) is installed on the left side of the driving unit (34), the conical frame (37) is installed on the right side of the driving unit (34) through a bearing, the middle part of the outer side of the conical frame (37) is connected with the fixed cylinder (32) through a screw, the filter plate (36) is installed at the left end of the conical frame (37), the outer side of the filter plate (36) is connected with the fixed cylinder (32) in a sliding fit mode, the outer side of the filter plate (36) is connected with the fixed cylinder (32) in a sealing mode, and the right end face of the driving unit (34) is provided with a rounding unit (38);

the rounding unit (38) comprises a fixed frame (381), an adjusting mechanism (382), an adjusting frame (383), a connecting pad (384) and a rotating roller (385), the fixed frame (381) is installed on the right side of the driving unit (34) through screws, the adjusting mechanism (382) is installed in the fixed frame (381), the adjusting frames (383) are symmetrically installed on the outer sides of the adjusting mechanisms (382), the rotating rollers (385) are evenly installed between the adjusting frames (383) through bearings, and the connecting pad (384) is installed between the outer side of the adjusting frame (383) located on the inner side of the fixed cylinder (32) and the driving unit (34);

adjustment mechanism (382) including adjusting pole (3821), regulating plate (3822), slider (3823) and guide arm (3824), mount (381) inside install through the bearing and adjust pole (3821), it is connected with drive unit (34) to adjust pole (3821) inboard through the bearing, adjust pole (3822) and go up the symmetry and install regulating plate (3822), be provided with the external screw thread on regulating plate (3822) lateral surface, the external screw thread is the plane structure, evenly be provided with the round hole on mount (381), be connected with guide arm (3824) through sliding fit's mode in the round hole, slider (3823) are installed to guide arm (3824) inboard, be provided with on slider (3823) with external screw thread complex thread groove, guide arm (3824) outside is connected with alignment jig (383).

2. An extrusion molding apparatus for PE pipe according to claim 1, wherein: the driving unit (34) comprises a driving motor (341) and a rotating shaft (342), the driving motor (341) is installed on the left side of the baffle plate (31) through a motor base, the rotating shaft (342) is installed on the baffle plate (31) through a bearing, the rotating shaft (342) is connected with an output shaft of the driving motor (341), the cross section of the rotating shaft (342) is of a T-shaped structure, and a threaded hole matched with the rounding unit (38) is formed in the right side of the rotating shaft (342).

3. An extrusion molding apparatus for PE pipe according to claim 1, wherein: stirring unit (35) including connecting plate (351) and stirring frame (352), connecting plate (351) install on drive unit (34), evenly be equipped with the draw-in groove of slope on connecting plate (351), stirring frame (352) are installed to detachable in the draw-in groove.

4. An extrusion molding apparatus for PE pipe according to claim 1, wherein: filter (36) be the loop configuration, filter (36) left side is provided with the ring channel, filter (36) right flank evenly be provided with the through-hole of ring channel intercommunication, install the wire net frame in the ring channel, evenly be provided with the filter screen on the wire net frame right flank, the filter screen is located the through-hole.

5. An extrusion molding apparatus for PE pipe according to claim 1, wherein: adjusting bracket (383) include arc piece (3831), connecting block (3832) and connecting spring (3833), arc piece (3831) install in adjustment mechanism (382) outside, arc piece (3831) are fan-shaped structure middle installation and rotate roller (385), arc piece (3831) inside is provided with the spout, be provided with connecting block (3832) in the spout between adjacent arc piece (3831), connecting block (3832) are the arc structure, install connecting spring (3833) between connecting block (3832) and arc piece (3831).

6. An extrusion molding apparatus for PE pipe according to claim 1, wherein: the connecting pad (384) is of an annular structure, the connecting pad (384) is made of flexible wear-resistant rubber, and the end part of the connecting pad (384) is connected with the end parts of the driving unit (34) and the adjusting frame (383) respectively.

7. An extrusion molding apparatus for PE pipe according to claim 1, wherein: the surface of the rotating roller (385) is a smooth surface, the surface of the rotating roller (385) is coated with an anti-sticking layer, and the anti-sticking layer is a polytetrafluoroethylene layer.