CN109228238A - A kind of double orientation plastic pipe extruder head - Google Patents
A kind of double orientation plastic pipe extruder head Download PDFInfo
- Publication number
- CN109228238A CN109228238A CN201810931178.6A CN201810931178A CN109228238A CN 109228238 A CN109228238 A CN 109228238A CN 201810931178 A CN201810931178 A CN 201810931178A CN 109228238 A CN109228238 A CN 109228238A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- plastic pipe
- handpiece body
- spacing
- mouth mold
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention proposes a kind of double orientation plastic pipe extruder head, it is related to plastic molding equipment field of components, it is characterized by comprising have handpiece body, extract head it is intracorporal between handpiece body there are the mandrel of spacing, extract in mandrel there are the centering spindles of spacing between mandrel, bearing is wherein provided between handpiece body and mandrel, the connection of the outer ring of handpiece body and bearing, the inner ring of mandrel and bearing connects, and is provided with gear on the lateral surface of mandrel；The side of the handpiece body is connected with end cap, and the side of end cap is connect with mouth mold；Plug is provided in the mouth mold, there are spacing between plug and mouth mold, one end of mandrel is connect after being pierced by end cap with plug.The macromolecule melt that the present invention is able to achieve plastic pipe realizes double orientation in extrusion process, improves tubing in the intensity of circumferential and axial, improves the pressure-bearing pressure resistance performance of tubing.
Description
Technical field
The present invention relates to plastic molding equipment field of components, more particularly, to a kind of double orientation plastic tube extrusion
Head.
Background technique
When plastic pipe carries out squeezing out processing with common head, macromolecular chain, can edge due to the effect by shear tension
Flow direction orientation so that the axial tensile strength of tubing is slightly above circumferential tension intensity.And for conveyer belt pressure fluid
Pipeline for, tube wall circumferential tension stress is twice of axial tensile stress, so we prefer in actual processing
The circumferential tension intensity of pipe fitting is higher than axial tensile strength.And a kind of existing inside and outside wall double-shear oriented plastic tubing rotatably squeezes
Head out can realize that plastic molecules chain is orientated along circumferential direction, improve tubing circumferential strength.But since the head only realizes
The one direction of molecule is orientated, and axial direction intensity is not improved not only, also reduced instead, and this one direction orientation is to plastic tube
Material bearing capacity is promoted limited.
Summary of the invention
The present invention is to overcome the insufficient defect of promotion plastic pipe bearing capacity described in the above-mentioned prior art, provides one kind
Effectively improve the double orientation plastic pipe extruder head of tubing bearing capacity.
In order to solve the above technical problems, technical scheme is as follows:
A kind of double orientation plastic pipe extruder head includes handpiece body, extracts and stayed between handpiece body head is intracorporal
Have the mandrel of spacing, extract in mandrel between mandrel there are the centering spindle of spacing, wherein set between handpiece body and mandrel
It is equipped with bearing, the outer ring of handpiece body and bearing connects, and the inner ring of mandrel and bearing connects, and is arranged on the lateral surface of mandrel with teeth
Wheel；The side of the handpiece body is connected with end cap, and the side of end cap is connect with mouth mold；Plug, plug are provided in the mouth mold
There are spacing between mouth mold, one end of mandrel is connect after being pierced by end cap with plug.
In the specific use process, the gear and external impetus mechanism being arranged on the outside of mandrel are driven by tooth engagement, gear
Band moving mandrel's rotary motion.The toroidal cavity that melt enters centering spindle through the spacing between mandrel and centering spindle and mandrel is constituted
In, melt is as the rotation of mandrel is along the circular motion of toroidal cavity, and the strand in melt is orientated in circumferencial direction at this time.It is molten
Body moves forward to the orientation space of plug and mouth mold composition, and melt is expanded by the effect of plug, and cooperates appropriate lead
Draw speed, axial tensile force is applied to melt, is orientated melt axially simultaneously, to realize the double orientation of melt.
Preferably, one end of centering spindle is fixedly installed connecting tube by connector, between connecting tube and centering spindle, mandrel
Spacing connection.
Preferably, it is tangent to be formed by ring cavity for the spacing between the setting direction and centering spindle, mandrel of connecting tube, uses
In melt is squeezed into head from connecting tube, macromolecule melt is made to be easier circumferentially to be orientated in extrusion process.
Preferably, cooling bath is offered on the lateral surface of mouth mold, cooling bath carries out closed by sleeve, offers on sleeve
The inlet opening and apopore for being connected to cooling bath reduce high molecular kinetic energy, farthest retain for melt to be pre-chilled
High molecular orientation.
Preferably, mandrel is provided with tap hole on the lateral surface of one end of mouth mold.
Preferably, tap hole is spirally distributed, and the direction of rotation phase in the direction of the Spiral distribution of tap hole and mandrel
Together, for being orientated macromolecule circumferentially.
Compared with prior art, the beneficial effect of technical solution of the present invention is: the macromolecule melt of plastic pipe is squeezing out
Double orientation is realized in the process, is improved tubing in the intensity in circumferential and axial direction, is effectively improved the pressure-bearing energy of tubing
Power reduces tube wall thickness, reduces production cost.
Detailed description of the invention
Fig. 1 is the double orientation plastic pipe extruder header structure schematic diagram of the present embodiment；
Fig. 2 is the double orientation plastic pipe extruder head left side structure schematic diagram of the present embodiment；
Fig. 3 is the double orientation plastic pipe extruder head right side structure schematic diagram of the present embodiment.
Wherein, 1- centering spindle, 2- connecting tube, 3- connector, 4- thrust ball bearing, 5- gear, 6- handpiece body, 7- radial ball
Bearing, 8- mandrel, 9- end cap, 10- mouth mold, 11- sleeve, 12- plug, 13- cooling bath, 140- toroidal cavity, 141- runner,
142- tap hole, 143- are orientated section.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the ruler of actual product
It is very little；
To those skilled in the art, the omitting of some known structures and their instructions in the attached drawings are understandable.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
As shown in Figure 1, the structural schematic diagram of the double orientation plastic pipe extruder head for the present embodiment.The head includes
Centering spindle 1, connecting tube 2, connector 3, thrust ball bearing 4, gear 5, handpiece body 6, radial ball bearing 7, mandrel 8, end cap 9, mouth
Mould 10, sleeve 11, plug 12 and cooling bath 13.
Wherein, mandrel 8 is arranged in handpiece body 6 and there are spacing with handpiece body 6, the spacing between mandrel 8 and handpiece body 6
It is provided with bearing, including thrust ball bearing 4 and radial ball bearing 7, handpiece body 6 is connect with bearing outer ring, mandrel 8 and bearing
Inner ring connection, and gear 5 is provided on the lateral surface of mandrel 8；Centering spindle 1 be arranged in mandrel 8 and with mandrel 8 there are
Away from one end of centering spindle 1 is fixedly installed the connecting tube 2 symmetrical along 3 two sides of connector, and connecting tube 2 by connector 3
Spacing between centering spindle 1, mandrel 8 is connected to, the spacing institute shape between the setting direction and centering spindle 1, mandrel 8 of connecting tube 2
At toroidal cavity 140 it is tangent；The side of handpiece body 6 is connected with end cap 9, and the side of end cap 9 is connect with mouth mold 10, mouth mold 10
Cooling bath 13 is offered on lateral surface, and the sleeve 11 for sealing cooling bath 13 is provided with above cooling bath 13, is opened on sleeve 11
Inlet opening and apopore equipped with connection cooling bath；Mandrel 8 is provided with tap hole 141 on the lateral surface of 10 one end of mouth mold,
And tap hole 141 is uniformly distributed in the shape of a spiral, the direction of Spiral distribution is identical as the direction of rotation of mandrel 8；Inside mouth mold 10
It is provided with and the matched plug 12 of 10 interior shape of mouth mold, there are spacing between plug 12 and mouth mold 10, sky which is constituted
Between for orientation section 143, one end of mandrel 8 is connect after being pierced by end cap 9 with plug 12.It as shown in Figures 2 and 3, is the present embodiment
The left side structure schematic diagram and right side structure schematic diagram of double orientation plastic pipe extruder head.
In the specific implementation process, the melt being kneaded is used into edge by being vertically connected with pipe 2 respectively by double extruders
Head tangentially squeezes into toroidal cavity 140 into glue mode, and melt moves after entering toroidal cavity 140 along its circumferencial direction, thus molten
Strand in body is also in circumferential orientation.Under the pressure effect of double extruders, melt is along between centering spindle 1 and mandrel 8
The runner 141 that spacing is constituted moves forward.For gear 5 under the driving of external power mechanism, axial rotation is done by band moving mandrel 8
Turn, and its direction of rotation is consistent with the rotation mode of melt.Into runner melt mandrel 8 rotation drive under, make melt
Ectonexine molecule generates speed difference, is further orientated macromolecule circumferentially.Melt enters tap hole 142 by runner 141, melts
Body flows out in a spiral manner along the surface of mandrel 8, and enters the orientation section 143 of plug 12 and the composition of mouth mold 10.Melt is taking
Into section 143, plug 12 expands melt, is orientated melt circumferentially again, and cooperates hauling speed appropriate, core
Stick 12 applies axial tensile force to melt, makes melt axial orientation simultaneously, realizes the double orientation to melt.Melt flows through orientation
Behind section 143, by the cooling bath 13 being arranged above mouth mold 10, cooling bath 13 starts that melt is pre-chilled, and reduces in time molten
Temperature reduces macromolecule kinetic energy in melt, prevents the macromolecule of double orientation from curling rebound, farthest retain
Macromolecular orientation.
The macromolecule that double orientation is completed at this time will be completely fixed and be retained in plastic pipe, to reach raising
Tubing intensity reduces tube wall thickness, reduces the purpose of production cost.
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent；
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to this hair
The restriction of bright embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Other various forms of variations or variation out.There is no necessity and possibility to exhaust all the enbodiments.It is all in the present invention
Spirit and principle within made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the claims in the present invention
Within the scope of shield.
Claims (6)
1. a kind of double orientation plastic pipe extruder head, it is characterised in that: include handpiece body, extract head it is intracorporal with
Between handpiece body there are the mandrel of spacing, extract in mandrel between mandrel there are the centering spindle of spacing, wherein handpiece body
Bearing, the outer ring connection of handpiece body and bearing, the inner ring connection of mandrel and bearing, the lateral surface of mandrel are provided between mandrel
On be provided with gear；The side of the handpiece body is connected with end cap, and the side of end cap is connect with mouth mold；It is provided in the mouth mold
Plug, there are spacing between plug and mouth mold, one end of mandrel is connect after being pierced by end cap with plug.
2. double orientation plastic pipe extruder head according to claim 1, it is characterised in that: one end of the centering spindle
It is fixedly installed connecting tube by connector, the spacing between connecting tube and centering spindle, mandrel is connected to.
3. double orientation plastic pipe extruder head according to claim 2, it is characterised in that: the setting of the connecting tube
It is tangent that spacing between direction and centering spindle, mandrel is formed by ring cavity.
4. described in any item double orientation plastic pipe extruder heads according to claim 1 ~ 3, it is characterised in that: the mouth mold
Lateral surface on offer cooling bath, cooling bath is carried out closed by sleeve, and the inlet opening of connection cooling bath is offered on sleeve
And apopore.
5. double orientation plastic pipe extruder head according to claim 4, it is characterised in that: the mandrel is close to mouth mold
One end lateral surface on be provided with tap hole.
6. double orientation plastic pipe extruder head according to claim 5, it is characterised in that: the tap hole is helically
Shape distribution, and the direction of the Spiral distribution of tap hole is identical as the direction of rotation of mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931178.6A CN109228238A (en) | 2018-08-15 | 2018-08-15 | A kind of double orientation plastic pipe extruder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931178.6A CN109228238A (en) | 2018-08-15 | 2018-08-15 | A kind of double orientation plastic pipe extruder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109228238A true CN109228238A (en) | 2019-01-18 |
Family
ID=65071386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810931178.6A Pending CN109228238A (en) | 2018-08-15 | 2018-08-15 | A kind of double orientation plastic pipe extruder head |
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| CN (1) | CN109228238A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128928A (en) * | 1986-11-18 | 1988-06-01 | Toyotsukusu:Kk | Method and apparatus for forming synthetic resin tube with spiral filament on inner surface |
| JPH0393529A (en) * | 1989-09-07 | 1991-04-18 | Toyotsukusu:Kk | Method and apparatus for molding flexible tube having ridge spirally provided to inside surface thereof in protruding state |
| CN2426408Y (en) * | 2000-06-30 | 2001-04-11 | 中国科学院化学研究所 | Rotary extrusion handpiece for plastics tubing |
| CN101670665A (en) * | 2009-10-19 | 2010-03-17 | 杭州波达塑料科技股份有限公司 | Online biaxial-orienting PVC extrusion molding mould |
| CN204869570U (en) * | 2015-08-21 | 2015-12-16 | 湖北鄂丰模具有限公司 | Online biaxial stretching plastic extrusion mould |
| CN107351354A (en) * | 2017-07-10 | 2017-11-17 | 四川大学 | The tube extruding machine head for the three-layer plastic multiple tube that intermediate layer fiber is circumferentially orientated |
| CN208855007U (en) * | 2018-08-15 | 2019-05-14 | 广东联塑科技实业有限公司 | A kind of double orientation plastic pipe extruder head |
-
2018
- 2018-08-15 CN CN201810931178.6A patent/CN109228238A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128928A (en) * | 1986-11-18 | 1988-06-01 | Toyotsukusu:Kk | Method and apparatus for forming synthetic resin tube with spiral filament on inner surface |
| JPH0393529A (en) * | 1989-09-07 | 1991-04-18 | Toyotsukusu:Kk | Method and apparatus for molding flexible tube having ridge spirally provided to inside surface thereof in protruding state |
| CN2426408Y (en) * | 2000-06-30 | 2001-04-11 | 中国科学院化学研究所 | Rotary extrusion handpiece for plastics tubing |
| CN101670665A (en) * | 2009-10-19 | 2010-03-17 | 杭州波达塑料科技股份有限公司 | Online biaxial-orienting PVC extrusion molding mould |
| CN204869570U (en) * | 2015-08-21 | 2015-12-16 | 湖北鄂丰模具有限公司 | Online biaxial stretching plastic extrusion mould |
| CN107351354A (en) * | 2017-07-10 | 2017-11-17 | 四川大学 | The tube extruding machine head for the three-layer plastic multiple tube that intermediate layer fiber is circumferentially orientated |
| CN208855007U (en) * | 2018-08-15 | 2019-05-14 | 广东联塑科技实业有限公司 | A kind of double orientation plastic pipe extruder head |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |