CN207224554U - A kind of vacuum sizing box of square plastic expects pipe - Google Patents
A kind of vacuum sizing box of square plastic expects pipe Download PDFInfo
- Publication number
- CN207224554U CN207224554U CN201720971340.8U CN201720971340U CN207224554U CN 207224554 U CN207224554 U CN 207224554U CN 201720971340 U CN201720971340 U CN 201720971340U CN 207224554 U CN207224554 U CN 207224554U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- expects pipe
- square
- babinet
- sizing box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to plastic pipe production technical field, more particularly to a kind of vacuum sizing box of square plastic expects pipe, babinet including vacuum sizing box, calibration sleeve is provided with babinet, cavity is left between the babinet and calibration sleeve, which is vacuum chamber, the water inlet of connection vacuum chamber is provided with babinet and takes out pressure mouth, it is characterized in that, the internal cavities of the calibration sleeve are sizing chamber, the sizing chamber is diameter-changing cavity.The vacuum sizing box of square plastic expects pipe described in the utility model is between extruder and water tank, sizing processing timely and effectively can be carried out to tubing, and structure square shaped tubing cooling sizing is uniform, obtained square pipe surface is smooth, product quality is high, and the vacuum sizing box of square plastic expects pipe described in the utility model is simple in structure, cost is low, wide market.
Description
Technical field
The utility model belongs to plastic pipe production technical field, more particularly to a kind of vacuum sizing of square plastic expects pipe
Case.
Background technology
One of important forming method of the processing such as plastics, high molecular material during extrusion molding, accounts in tube forming processing
There is critical role, most of thermoplastic can use the method for extrusion molding to process.Thermoplastic plastic pipe production line
Production equipment include console, extruder, vacuum sizing box and cutting machine, raw material is inserted in the hopper of extruder, and heating is stirred
Mix plastic grain and become molten state, be constantly extruded into through spiral propeller from head extrusion, it is circular ring shape to become section
Thin-walled cylinder section bar, cooling sizing is carried out subsequently into vacuum sizing box.The structure is for round plastic pipe vacuum sizing effect
It is good, but for square pipe, if head extrusion mouth is changed into it is square, vacuum sizing pipe also directly change into it is square, due to side
Shape structure, there are point effect, in vacuum sizing pipe cooling procedure, is usually present inhomogeneous cooling phenomenon, life there are four right angles
The rectangular area of the square pipe of output and non-straight angular zone cooling effect differ, and ultimately cause square plastic pipe structure office
Portion's deformation is serious, poor product quality.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of vacuum sizing box of square plastic expects pipe.
The technical solution adopted in the utility model is as follows:
A kind of vacuum sizing box of square plastic expects pipe, includes the babinet of vacuum sizing box, is provided with calibration sleeve in babinet, institute
State and cavity is left between babinet and calibration sleeve, which is vacuum chamber, and the water inlet and pumping of connection vacuum chamber are provided with babinet
Mouth is pressed, the internal cavities of the calibration sleeve are sizing chamber, and the sizing chamber is diameter-changing cavity.
Further, one end of the diameter-changing cavity be circular ring shape, the other end be square.
Further, the fillet surface that the both ends of the diameter-changing cavity are gradually changed by radius of curvature links up.The mistake
The radius of curvature for crossing curved surface becomes larger from square end to circular ring shape end.
Further, the streamlined curved surface of the fillet surface.
Further, the tank ends are provided with flange end cap and soft diaphragm seal, and the internal diameter of the diaphragm seal
Less than the internal diameter of calibration sleeve.
Further, straggly on the calibration sleeve to be evenly equipped with multiple vacuum ports, the shape of the vacuum port is circular, strip
One or both of shape.
Further, the water inlet is located at the lower end of the babinet, and the pumping pressure mouth is located at the upper end of the babinet.
Compared with prior art, the utility model has following innovative point:
The vacuum sizing box of square plastic expects pipe described in the utility model, sizing chamber are diameter-changing cavities, and modeling material pipe Pei is carried out
Sizing, since fillet surface is flowing transition curved surface, so being smooth square in surface in the plastic tube that square calibre comes out
Pipe.The vacuum sizing box of square plastic expects pipe described in the utility model, can be timely and effectively to pipe between extruder and water tank
Material carries out sizing processing, and structure square shaped tubing cooling sizing is uniform, and obtained square pipe surface is smooth, product quality
Height, and the vacuum sizing box of square plastic expects pipe described in the utility model is simple in structure, cost is low, wide market.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the outline structural diagram of the vacuum sizing box of square plastic expects pipe described in the utility model;
Fig. 2 is the outline structural diagram of the vacuum sizing box of square plastic expects pipe described in the utility model;
Fig. 3 is the left view of the vacuum sizing box of square plastic expects pipe described in the utility model.
Embodiment
The detailed content and its embodiment of the utility model are further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
A kind of vacuum sizing box of square plastic expects pipe, as shown in Figs. 1-3, includes the babinet of vacuum sizing box, is set in babinet
Calibration sleeve is equipped with, cavity is left between the babinet and calibration sleeve, which is vacuum chamber, and connection vacuum chamber is provided with babinet
Water inlet and take out pressure mouth, the internal cavities of the calibration sleeve are sizing chamber, and the sizing chamber is diameter-changing cavity.
Preferably, one end of the diameter-changing cavity be circular ring shape, the other end be square.The both ends of the diameter-changing cavity
The fillet surface gradually changed by radius of curvature links up, and the radius of curvature of the fillet surface is from square end to circular ring shape end
Become larger.The fillet surface is preferably streamlined curved surface.
Preferably, the tank ends are provided with flange end cap and soft diaphragm seal, and the diaphragm seal
Internal diameter is less than the internal diameter of calibration sleeve.Straggly on the calibration sleeve to be evenly equipped with multiple vacuum ports, the shape of the vacuum port is preferred
For one or both of circular, strip.
Further, the water inlet is located at the lower end of the babinet, and the pumping pressure mouth is located at the upper end of the babinet.
The operation principle of the vacuum sizing box of above-mentioned square plastic expects pipe is:Plastic grain is inserted in the hopper of extruder, warp
Heating stirring, plastic grain become molten state, are successively extruded into through spiral propeller from head extrusion, obtain plastics
Guan Pei, Su Liao Guan Pei travel forward in sizing chamber;The cooling water enters vacuum chamber from the bottom to top from water inlet, takes out pressure mouth
Start to take out pressure, vacuum chamber is in vacuum state, due to being in vacuum state in vacuum chamber, the boiling point of cooling water is lower, cooling water
Gasify in the vacuum chamber, the gas after gasification leaves vacuum chamber by taking out pressure mouth, and cooling water decalescence in the vacuum chamber, takes away
Heat realizes that to the cooling sizing of Su Liao Guan Pei sizing chamber is the diameter-changing cavity become larger in curvature reducing, to Su Liao Guan Pei into
Row sizing, since fillet surface is flowing transition curved surface, so being the smooth side in surface in the plastic tube that square calibre comes out
Shape pipe.The vacuum sizing box of square plastic expects pipe described in the utility model, can be timely and effectively right between extruder and water tank
Tubing carries out sizing processing, and structure square shaped tubing cooling sizing is uniform, and obtained square pipe surface is smooth;In addition, by
In square plastic tubing, occupation rate is relatively low in the market, and the manufacturer of plastic pipe is without the extruder for needing to change modeling material pipe Pei
Head, need to only install the vacuum sizing pipe of square plastic expects pipe described in the utility model before extruder head, and other equipment is kept not
Change can be used to manufacture square plastic expects pipe, reduce the equipment investment cost of manufacturer.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this practicality
It is new.Person skilled in the art obviously easily can make these embodiments various modifications, and illustrating herein
General Principle be applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to here
Embodiment, those skilled in the art's announcement according to the present utility model, does not depart from the improvement that the utility model category is made
All should be within the scope of protection of the utility model with modification.
Claims (9)
1. a kind of vacuum sizing box of square plastic expects pipe, includes the babinet of vacuum sizing box, calibration sleeve is provided with babinet, described
Cavity is left between babinet and calibration sleeve, which is vacuum chamber, and the water inlet of connection vacuum chamber is provided with babinet and is taken out and is pressed
Mouthful, it is characterised in that the internal cavities of the calibration sleeve are sizing chamber, and the sizing chamber is diameter-changing cavity.
2. the vacuum sizing box of square plastic expects pipe according to claim 1, it is characterised in that one end of the diameter-changing cavity
It is square for circular ring shape, the other end.
3. the vacuum sizing box of square plastic expects pipe according to claim 2, it is characterised in that the both ends of the diameter-changing cavity
The fillet surface gradually changed by radius of curvature links up.
4. the vacuum sizing box of square plastic expects pipe according to claim 3, it is characterised in that the song of the fillet surface
Rate radius becomes larger from square end to circular ring shape end.
5. the vacuum sizing box of square plastic expects pipe according to claim 3, it is characterised in that the fillet surface is stream
Line style curved surface.
6. the vacuum sizing box of square plastic expects pipe according to claim 1, it is characterised in that the tank ends are set
There are flange end cap and soft diaphragm seal, and the internal diameter of the diaphragm seal is less than the internal diameter of calibration sleeve.
7. the vacuum sizing box of square plastic expects pipe according to claim 1, it is characterised in that straggly on the calibration sleeve
It is evenly equipped with multiple vacuum ports.
8. the vacuum sizing box of square plastic expects pipe according to claim 7, it is characterised in that the shape of the vacuum port is
One or both of circular, strip.
9. the vacuum sizing box of square plastic expects pipe according to claim 1, it is characterised in that the water inlet is located at institute
The lower end of babinet is stated, the pumping pressure mouth is located at the upper end of the babinet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720971340.8U CN207224554U (en) | 2017-08-05 | 2017-08-05 | A kind of vacuum sizing box of square plastic expects pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720971340.8U CN207224554U (en) | 2017-08-05 | 2017-08-05 | A kind of vacuum sizing box of square plastic expects pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207224554U true CN207224554U (en) | 2018-04-13 |
Family
ID=61856655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720971340.8U Expired - Fee Related CN207224554U (en) | 2017-08-05 | 2017-08-05 | A kind of vacuum sizing box of square plastic expects pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207224554U (en) |
-
2017
- 2017-08-05 CN CN201720971340.8U patent/CN207224554U/en not_active Expired - Fee Related
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PP01 | Preservation of patent right | ||
PP01 | Preservation of patent right |
Effective date of registration: 20210412 Granted publication date: 20180413 |
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PD01 | Discharge of preservation of patent | ||
PD01 | Discharge of preservation of patent |
Date of cancellation: 20211012 Granted publication date: 20180413 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20210805 |