CN209026370U

CN209026370U - PPR tee tube

Info

Publication number: CN209026370U
Application number: CN201821239553.2U
Authority: CN
Inventors: 叶益辉; 陈营; 赵相盈
Original assignee: Zhejiang Weixing New Building Materials Co Ltd
Current assignee: Zhejiang Weixing New Building Materials Co Ltd
Priority date: 2017-12-13
Filing date: 2018-08-02
Publication date: 2019-06-25
Anticipated expiration: 2028-08-02

Abstract

The utility model provides a kind of PPR tee tube, the first connecting pin, second connection end, third connecting pin including being respectively used to the tubulose of three PPR pipes of connection, there is bridge section between the third connecting pin and first connecting pin, second connection end, this cross bridge section perpendicular to first connecting pin, second connection end, third connecting pin axis where plain bending form space for accommodating PPR pipe.The utility model has the beneficial effects that solving the problems, such as single pair of mold difficult forming by separate operations, injection molding process is adjusted, the problems such as very good solution weld mark of product appearance, water ripples, contraction, also radian can be adjusted according to the difference of operating condition, realize the diversification of product.

Description

PPR tee tube

Technical field

The utility model relates to conduit coupling technical fields, in particular to a kind of PPR tee tube.

Background technique

There is presently no any mould structures and technology to form gap bridge tee pipe fitting, and existing molding, which exists, passes a bridge The problems such as weld mark of formula threeway tube exterior, water ripples, contraction.

Utility model content

In consideration of it, the utility model proposes a kind of PPR tee tube and its manufacturing methods, it is intended to solve the above problems.

The utility model proposes a kind of PPR tee tubes, connect including being respectively used to the first of tubulose of three PPR pipes of connection Connect end, second connection end, third connecting pin, which is characterized in that the third connecting pin and first connecting pin, second connection end it Between there is bridge section, this cross bridge section perpendicular to first connecting pin, second connection end, third connecting pin axis where plane It is formed by bending the space for accommodating PPR pipe.

In one embodiment of the PPR tee tube of the utility model, first connecting pin, the second connection end Axis is located at same straight line.

In one embodiment of the PPR tee tube of the utility model, the axis of the third connecting pin is perpendicular to described First connecting pin, the second connection end.

In one embodiment of the PPR tee tube of the utility model, first connecting pin, the second connection end, The third connecting pin is used to connection PPR pipe.

In one embodiment of the PPR tee tube of the utility model, first connecting pin, the second connection end, The third connecting pin, the bridge section of crossing are integrally formed.

It is described to cross bridge section axis and the third connecting pin in one embodiment of the PPR tee tube of the utility model It is generally aligned in the same plane.

In one embodiment of the PPR tee tube of the utility model, the axis of the third connecting pin and described first The axis of connecting pin or the second connection end is located at same straight line.

The utility model has the beneficial effects that solving the problems, such as single pair of mold difficult forming, adjustment note by separate operations Mould moulding process, it, can also be according to the difference of operating condition the problems such as the very good solution weld mark of product appearance, water ripples, contraction Radian is adjusted, realizes the diversification of product.

Detailed description of the invention

By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:

Fig. 1 is the perspective view of the utility model embodiment PPR tee tube；

Fig. 2 is the top view of the utility model embodiment PPR tee tube；

Fig. 3 is the front view of the utility model embodiment PPR tee tube；

Fig. 4 is the mold schematic perspective view of the utility model embodiment PPR tee tube；

Fig. 5 is that the mold of the utility model embodiment PPR tee tube squeezes the schematic diagram of PPR tee tube.

Specific embodiment

Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, the implementation in the utility model Feature in example and embodiment can be combined with each other.It is below with reference to the accompanying drawings and in conjunction with the embodiments practical new this is described in detail Type.

The utility model is formed by injection molding machine using PPR raw material and lengthens the tee pipe fittings such as branch.

With reference to Fig. 1,2 and 3, in one embodiment of the PPR tee tube of the utility model, a kind of PPR tri- for producing Siphunculus, the first connecting pin 11, second connection end 12, the third connecting pin 13 of the tubulose including being respectively used to three PPR pipes of connection, There is bridge section 2 between the third connecting pin 13 and first connecting pin 11, second connection end 12, this cross bridge section perpendicular to this One connecting pin, second connection end, third connecting pin axis where plain bending form the space 3 for accommodating PPR pipe.

It continues to refer to figure 1, specifically, the axis of first connecting pin, second connection end is located at same straight line, the third The axis of connecting pin is perpendicular to first connecting pin, second connection end.

In one embodiment of the PPR tee tube of the utility model, the PPR tee tube is by PPR100 parts, composite assistant 1.3 parts are made.Those of ordinary skill in the art should be understood that above-mentioned composite assistant effect is to optimize material Performance reinforces processing effect, such as adds antioxidant, ultraviolet absorber, light stabilizer and metallic ion passivation agent or a combination thereof Reach technical effect above-mentioned.Those skilled in the art are also easier it is envisioned that being reached using other common composite assistants Improve the technical effect of respective performances.

As the further improvement of above-mentioned raw materials mix proportion scheme, by raw material proportioning be preferably PPR100 parts, 4 parts of Masterbatch, 1.3 parts of composite assistant are made.The characteristics of those skilled in the art should know, Masterbatch: there is pigment in product Preferably dispersibility is conducive to the chemical stability for keeping pigment, guarantees the stabilization of product color.

In one embodiment of the PPR tee tube of the utility model, which includes that weight ratio is 8:2:2:1 For antioxidant, ultraviolet absorber, light stabilizer and metallic ion passivation agent.The utility model passes through octadecyl vinyl ether and horse The alternate copolymer for carrying out acid anhydrides shows signs of anger carrier, addition diffusing oil and silane coupling agent to surface of pigments wetting, in obtained tubing Outer wall is smooth, and product meets the related request in national standard, compared with the tubing of regular convention formula production, the mechanics of pipe fitting Performance and ageing-resistant performance etc. are significantly improved, and tubing oxidation induction time extends, the raising of tubing impact strength, manages Material hydraulic pressure strength and tubing ageing-resistant performance increase.

Another embodiment provided by the utility model, a kind of manufacturing method manufacturing aforementioned PPR tee tube, including following step It is rapid:

Step A, injection molding PPR tee tube embryo material 1, the PPR tee tube embryo material include the first connecting pin, the second connection End, third connecting pin have straight pipe between the third connecting pin and first connecting pin, second connection end；Step B, heating The PPR tee tube embryo material；Step C, perpendicular to first connecting pin, second connection end, third connecting pin axis where it is flat Face is bent the straight pipe and forms the space for accommodating PPR pipe.

The manufacturing method of above-mentioned PPR tee tube, step B include heating the PPR tee tube embryo material to 130 DEG C -140 DEG C.It needs It is noted that the softening point of PPR pipe part is 131.5 degree.

As a further improvement of the foregoing solution, by preferred, 135 DEG C are optimum temperature.

With reference to Fig. 4 and Fig. 5, further, the manufacturing method of above-mentioned PPR tee tube, the step B includes after heating PPR tee tube embryo material 1 is put into lower die 42, and driving upper mold 41, which pushes, is bent the straight pipe, after the PPR tee tube is cooling The upper mold is driven to rise, it is corresponding that the upper mold and the lower die offer first connecting pin, second connection end, third connecting pin respectively The semicircular locating slot 43 in section；The upper mold includes downward raised press section 51, and the lower die has and the extruding The corresponding notch 52 in portion, the press section are equipped with the semicircular contact groove 53 being bonded with the straight pipe outer surface.This field skill Art personnel should be understood that locating slot and contact groove complete the positioning to tee pipe fitting embryo material to be processed, and protrusion is squeezed Splenium can be adjusted according to the space 3 for accommodating PPR pipe.Above-mentioned mold may be arranged as diversified forms, to meet processing The needs of various forms of PPR bridge type tee tubes.

Further, the manufacturing method of above-mentioned PPR tee tube, the driving upper mold are gone back before pushing the bending straight pipe Including filling in flexible rod in the straight tube end, the section of the straight pipe when flexible rod is used to that the straight pipe to be prevented to be bent It deforms excessive.

Specifically, multiple and different PPR fusion temperature: preceding barrel: 200-240 is arranged during above-mentioned manufacturing method Degree, middle barrel 160-190 degree, rear barrel 160-190 degree remove deviation in actual production as far as possible, can reduce well overlap and Contraction problem.Mold temperature uses 50 degree or so, and molding effect is best, too low (less than 40 degree) the tube surface gloss difference of temperature, Too high (being greater than 90 degree) the pipe fitting buckling deformation of temperature, systolic depression.

For above-mentioned processing and manufacturing scheme specifically, since PPR molding shrinkage is big, size is unstable, easily-deformable receipts Therefore the characteristics of contracting, can be such that molding shrinkage drops by improving injection pressure and injection moulding speed to reduce shearing strength between layers It is low, but PPR mobility is fine, easily occurs overlap when injection pressure is big and directional strong defect, injection pressure are general are as follows: 50-70MPA.It here is preferably one section of 60MPA, two sections of 60MPA, three sections of 45MPA.Injection moulding speed is preferably one section 55, two sections 50, three section 45.In addition, dwell pressure takes percent 80 of injection pressure or so, longer dwell time feeding and longer is preferably taken Cooling time guarantee plastics size, deformation extent.Injection molding is completed since product wall thickness is thicker about molding cycle Pipe fitting, be put into baking oven, the softening point of PPR pipe part is 131.5 degree, so the temperature range of baking oven setting is 130-135 degree, 135 degree are optimum temperature, and standing time is 1 hour or so.The pipe fitting of its baking oven is taken out, is placed in molding die, passes through Hydraulic press compression moulding.

In one embodiment of the PPR tee tube of the utility model, the pipe including being respectively used to three PPR pipes of connection The first connecting pin, second connection end, the third connecting pin of shape, which is characterized in that the third connecting pin and first connecting pin, the There is bridge section between two connecting pins, this cross bridge section perpendicular to first connecting pin, second connection end, third connecting pin axis The plain bending at place forms the space for accommodating PPR pipe.

Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims

1. a kind of PPR tee tube, the first connecting pin of the tubulose including being respectively used to three PPR pipes of connection, second connection end, the Three connecting pins, which is characterized in that there is bridge section between the third connecting pin and first connecting pin, second connection end, the mistake Bridge section perpendicular to first connecting pin, second connection end, third connecting pin axis where plain bending formed for accommodating The space of PPR pipe.

2. PPR tee tube according to claim 1, which is characterized in that first connecting pin, the second connection end Axis is located at same straight line.

3. PPR tee tube according to claim 1, which is characterized in that the axis of the third connecting pin is perpendicular to described First connecting pin, the second connection end.

4. PPR tee tube according to claim 1, which is characterized in that first connecting pin, the second connection end, The third connecting pin is used to connection PPR pipe.

5. PPR tee tube according to claim 3 or 4, which is characterized in that first connecting pin, second connection End, the third connecting pin, the bridge section of crossing are integrally formed.

6. PPR tee tube according to claim 3 or 4, which is characterized in that the bridge section axis of crossing is connect with the third End is generally aligned in the same plane.

7. PPR tee tube according to claim 3 or 4, which is characterized in that the axis of the third connecting pin and described the The axis of one connecting pin or the second connection end is located at same straight line.