CN207161902U - A kind of butt welding formula directly melts type steady state pipe - Google Patents
A kind of butt welding formula directly melts type steady state pipe Download PDFInfo
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- CN207161902U CN207161902U CN201621300857.6U CN201621300857U CN207161902U CN 207161902 U CN207161902 U CN 207161902U CN 201621300857 U CN201621300857 U CN 201621300857U CN 207161902 U CN207161902 U CN 207161902U
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Abstract
The utility model is applied to the technical field of aluminium plastic composited tube, disclose a kind of butt welding formula and directly melt type steady state pipe, described directly molten type steady state pipe is multi-layer compound structure, it is made up of five-layer structure, tube layer in being respectively from the inside to the outside, interior hot melt adhesive layer, aluminum tube layer, external hot melting glue-line and external tube layer, the thickness of described interior tube layer is 0.5~5.0mm, described aluminum tube layer is that argon arc docks layer, junction is Butt welded seam, thickness is 0.2~1.0mm, the thickness of described external tube layer is 2~18mm, the utility model also proposed the preparation method that a kind of butt welding formula directly melts type steady state pipe.The utility model produces aluminum tube layer using butt welding mode, and weld strength is high, improves the compressive resistance and antiseepage oxygen ability of tubing, applicability is wider, has security and economy concurrently, easy for construction, greatly improves efficiency of construction.
Description
【Technical field】
The technical field of aluminium plastic composited tube is the utility model is related to, more particularly to a kind of butt welding formula directly melts type steady state pipe.
【Background technology】
It is steady frequently with modeling aluminium in building water supply system, central air-conditioning pipe-line system, heating system, solar heating system
State multiple tube, the advantages of steady-state plastic aluminum composite pipe integrates plastic tube and metal tube, be provided simultaneously with plastic conduit wholesomeness,
The rigidity of sealing and metal tube, the special attribute better than general plastic tube of uniqueness is formed, it is small, no with linear expansion coefficient
The features such as oozing oxygen, uvioresistant, high intensity, high antibiotic property.
The distribution of steady-state plastic aluminum composite pipe pipeline radial stress, from inside to outside, from big to small, more to outer wall circumference stress more
Small, i.e., inner-walls of duct stress is maximum, and pipe outer wall minimum (zero), Application of composite mechanics principle, pipe structure is more reasonable, and performance is more
It is stable.Solves the problems such as lamination and influence hygienic quality that aluminium-plastic pipe easily occurs.Although the product has plastic tube
Road wholesomeness, sealing and metal tube UV resistant, it is bright fill indeformable feature, and its linear expansion coefficient is close to metal
Pipe, intensity is high, stable mechanical performance.But such product need to carry out peeling processing, construction when constructing connection to connecting portion
Connection is inconvenient, low construction efficiency, to solve the above problems, being necessary to propose that a kind of butt welding formula directly melts type steady state pipe.
【Utility model content】
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of butt welding formula directly melts type stable state
Pipe, it aims to solve the problem that steady-state plastic aluminum composite pipe of the prior art when constructing connection, need to carry out peeling processing to connecting portion,
Construction connection is inconvenient, the technical problem of low construction efficiency.
To achieve the above object, the utility model proposes a kind of butt welding formula directly to melt type steady state pipe, described directly molten type
Steady state pipe is multi-layer compound structure, is made up of five-layer structure, be respectively from the inside to the outside in tube layer, interior hot melt adhesive layer, aluminum tube layer, outer
Hot melt adhesive layer and external tube layer, the thickness of described interior tube layer is 0.5~5.0mm, and described aluminum tube layer is that argon arc docks layer, even
It is Butt welded seam to meet place, and thickness is 0.2~1.0mm, and the thickness of described external tube layer is 2~18mm, and described interior tube layer is
II type heat-proof polythene layers, described external tube layer are the main bearing course of atactic copolymerized polypropene, and the thickness of described external tube layer accounts for directly
More than the 50% of molten type steady state pipe total wall thickness.
Preferably, the internal diameter of the external diameter and common PPR pipe part of described straight molten type steady state pipe matches.
Preferably, the thickness of described interior hot melt adhesive layer and external hot melting glue-line is 0.1~0.5mm.
Preferably, the thickness of described interior tube layer is 2.8mm, the thickness of aluminum tube layer is 0.45mm, the thickness of external tube layer
For 5.2mm, the thickness of interior hot melt adhesive layer is 0.1mm, and the thickness of external hot melting glue-line is 0.1mm.
The beneficial effects of the utility model：Compared with prior art, a kind of butt welding formula provided by the utility model directly melts
Type steady state pipe, has the following advantages that：1. producing aluminum tube layer using butt welding mode, solderable thicker aluminium strip, weld seam situation can
On-line checking, shaping is accurate, and weld strength is high, improves the compressive resistance and antiseepage oxygen ability of tubing；2. according to thickness of pipe wall
Difference, the utility model can select tubing with pipe series S, be easy to according to different use occasions, to select suitable wall thickness
Tubing, to have security and economy concurrently；3. tubing is connected with the direct hot melt spigot-and-socket of pipe fitting, pipe during construction is greatly facilitated
Road connects, and reduces construction intensity, improves efficiency of construction.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is the schematic cross-section that a kind of butt welding formula of the utility model embodiment directly melts type steady state pipe.
In figure：Tube layer in 1-, hot melt adhesive layer, 3- aluminum tube layers, 4- external hot meltings glue-line, 5- external tube layers, 6- butt welding weldering in 2-
Seam.
【Embodiment】
To make the purpose of this utility model, technical scheme and advantage of greater clarity, below by drawings and Examples,
The utility model is further elaborated.However, it should be understood that specific embodiment described herein is only solving
The utility model is released, is not limited to the scope of the utility model.In addition, in the following description, eliminate to known features
With the description of technology, to avoid unnecessarily obscuring concept of the present utility model.
Refering to Fig. 1, the utility model embodiment provides a kind of butt welding formula and directly melts type steady state pipe, described directly molten type stable state
Manage as multi-layer compound structure, be made up of five-layer structure, be respectively from the inside to the outside in tube layer 1, interior hot melt adhesive layer 2, aluminum tube layer 3, outer
Hot melt adhesive layer 4 and external tube layer 5, the thickness of described interior tube layer 1 is 0.5~5.0mm, and described aluminum tube layer 3 is argon arc butt welding
Layer, junction is Butt welded seam 6, and thickness is 0.2~1.0mm, and the thickness of described external tube layer 5 is 2~18mm.
Further, described interior tube layer 1 is II type heat-proof polythene layers, and described external tube layer 5 is random copolymerization poly- third
The main bearing course of alkene, the thickness of described external tube layer 5 account for more than the 50% of straight molten type steady state pipe total wall thickness, described directly molten type stable state
The internal diameter of the external diameter of pipe and common PPR pipe part matches.
In the utility model embodiment, described aluminum tube layer 3 is produced using argon arc butt welding mode, and weld seam situation can be
Line detects, and shaping is accurate, and weld strength is high, and the tubing bearing strength height of production, antiseepage oxygen ability are strong；Interior tube layer 1 uses II types
Heat-proof polythene (PE-RT II) is made, and PE-RT II materials are a kind of with special molecular structure design and synthesis technique production
Heat-proof polythene, it has good mechanical property, creep properties and heat endurance, during for duct products, can improve tubing
Resistance to elevated temperatures and long-term hydrostatic ability；External tube layer 5 is main bearing course, using atactic copolymerized polypropene (PP-R), this reality
The internal diameter that the external diameter and common PPR pipe part of type steady state pipe are melted with Novel direct matches, and realizes that the direct hot melt of tubing and pipe fitting is held
Connection is inserted, pipeline connection during construction is greatly facilitated, improves efficiency of construction.
Further, the thickness of described interior hot melt adhesive layer 2 and external hot melting glue-line 4 is 0.1~0.5mm.
Specific embodiment：
It is five layers of composite construction that a kind of butt welding formula, which directly melts type steady state pipe, is respectively interior tube layer 1, interior PUR from the inside to the outside
Layer 2, aluminum tube layer 3, external hot melting glue-line 4 and external tube layer 5, interior tube layer 1 are made, outer tube using II types heat-proof polythene (PE-RT II)
Layer 5 is main bearing course, is made of atactic copolymerized polypropene (PP-R), the thickness of external tube layer 5 accounts for this product butt welding formula and directly melted
More than the 50% of type steady state pipe total wall thickness, aluminum tube layer 3 are produced using argon arc butt welding mode, and the thickness of interior tube layer 1 is 2.8mm,
The thickness of aluminum tube layer 3 is 0.45mm, and the thickness of external tube layer 5 is 5.2mm, and the thickness of interior hot melt adhesive layer 2 and external hot melting glue-line 4 is
0.1mm。
The utility model embodiment also provides the preparation method that a kind of butt welding formula directly melts type steady state pipe, including following step
Suddenly：
The first step, extrude interior tube layer 1 and interior hot melt adhesive layer 2 respectively with two extruderses, after vacuum sizing and cooling, shape
The interior tube layer 1 of hot melt adhesive layer 2 in into tyre；
Second step, stand-by aluminium strip is laid in into the docking of uncoiling and handled through bead cutter trimming, and bent and be coated on through first
In the formed tyre of step on the outer wall of the interior tube layer 1 of hot melt adhesive layer 2, using argon arc welding machine and coordinate tapered sleeve shaped device, it is right
The aluminum tube layer 3 of cladding carries out docking vertical weldering, and weld forms Butt welded seam 6；
3rd step, aluminum tube layer 3 of the second step after compound is heated using baking oven；
4th step, after the completion of heating, then with other two extruderses compound extruded external hot melting glue-line 4 and external tube layer 5, successively
The outside of aluminum tube layer 3 is coated on, obtains pipe；
5th step, pipe first pass through it is cold at the beginning of constant temperature dipping bath, after cooled down by spraying cooling water tank after shape, then pass through dipping bath
The further cooling and shaping of formula water tank, obtains tubing；
6th step, the tubing after cooling and shaping, first pass through annular blower and remove the water stain of pipe outer surface, rear spray
Ink recorder carries out lettering mark, then by cutting machine metering fixed length cutting, and the product after cutting is through after the assay was approved, packaging and storage.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent substitution or improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of butt welding formula directly melts type steady state pipe, it is characterised in that：Described directly molten type steady state pipe is multi-layer compound structure, by
Five-layer structure form, from the inside to the outside be respectively in tube layer (1), interior hot melt adhesive layer (2), aluminum tube layer (3), external hot melting glue-line (4) and
External tube layer (5), the thickness of described interior tube layer (1) is 0.5~5.0mm, and described aluminum tube layer (3) is that argon arc docks layer, even
It is Butt welded seam (6) to meet place, and thickness is 0.2~1.0mm, and the thickness of described external tube layer (5) is 2~18mm, and described is interior
Tube layer (1) is II type heat-proof polythene layers, and described external tube layer (5) is the main bearing course of atactic copolymerized polypropene, described outer tube
The thickness of layer (5) accounts for more than the 50% of straight molten type steady state pipe total wall thickness.
2. a kind of butt welding formula as claimed in claim 1 directly melts type steady state pipe, it is characterised in that：Described directly molten type steady state pipe
The internal diameter of external diameter and common PPR pipe part match.
3. a kind of butt welding formula as claimed in claim 1 directly melts type steady state pipe, it is characterised in that：Described interior hot melt adhesive layer
(2) and the thickness of external hot melting glue-line (4) is 0.1~0.5mm.
4. a kind of butt welding formula as claimed in claim 1 directly melts type steady state pipe, it is characterised in that：Described interior tube layer (1)
Thickness is 2.8mm, and the thickness of aluminum tube layer (3) is 0.45mm, and the thickness of external tube layer (5) is 5.2mm, the thickness of interior hot melt adhesive layer (2)
Spend for 0.1mm, the thickness of external hot melting glue-line (4) is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300857.6U CN207161902U (en) | 2016-11-30 | 2016-11-30 | A kind of butt welding formula directly melts type steady state pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621300857.6U CN207161902U (en) | 2016-11-30 | 2016-11-30 | A kind of butt welding formula directly melts type steady state pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161902U true CN207161902U (en) | 2018-03-30 |
Family
ID=61708434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621300857.6U Active CN207161902U (en) | 2016-11-30 | 2016-11-30 | A kind of butt welding formula directly melts type steady state pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161902U (en) |
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2016
- 2016-11-30 CN CN201621300857.6U patent/CN207161902U/en active Active
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