CN205929397U - PVC self enhancement extrusion moulding mould - Google Patents
PVC self enhancement extrusion moulding mould Download PDFInfo
- Publication number
- CN205929397U CN205929397U CN201620596209.3U CN201620596209U CN205929397U CN 205929397 U CN205929397 U CN 205929397U CN 201620596209 U CN201620596209 U CN 201620596209U CN 205929397 U CN205929397 U CN 205929397U
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- CN
- China
- Prior art keywords
- air flue
- plug
- reposition
- redundant personnel
- support
- 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.)
- Withdrawn - After Issue
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- 238000001125 extrusion Methods 0.000 title claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 208000004141 microcephaly Diseases 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 14
- 210000003205 muscle Anatomy 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 235000012489 doughnuts Nutrition 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 abstract description 23
- 239000004033 plastic Substances 0.000 abstract description 23
- 230000000916 dilatatory effect Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010094 polymer processing Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a PVC self enhancement extrusion moulding mould relates to a polymer processing forming die, including the die holder body, preceding die holder, reposition of redundant personnel structure, plug, bush and dilating the head, the reposition of redundant personnel structure is bored including shunting, reposition of redundant personnel awl support, and the reposition of redundant personnel is bored the support and is included inner support, outer support, on the die holder body was fixed in the outer support, the reposition of redundant personnel awl set up in reposition of redundant personnel awl support one side, and the reposition of redundant personnel awl is located the internal chamber of die holder, the reposition of redundant personnel structure sets up the reposition of redundant personnel air flue, dilate head and plug hookup, the plug center is provided with the plug air flue, sets up the arch on the reposition of redundant personnel awl, constitutes the reposition of redundant personnel passageway, it including base, microcephaly, changeover portion, major part, couples in proper order to dilate the head, it is provided with central air flue, central air flue opening and plug air flue intercommunication to dilate first center, base and changeover portion outer peripheral face are provided with the radial air flue with central air flue intercommunication. The beneficial effects of the utility model are that: reduce the plastics fluid to the accumulational phenomenon in reposition of redundant personnel awl lower part, prevent dilating first outer peripheral face from die extrusion's plastics fluid adhesion, effectively eliminate the production of weld mark.
Description
Technical field
This utility model is related to a kind of Polymer Processing mould, concretely relates to a kind of PVC self-reinforcing extrusion
Mould.
Background technology
The advantages of PVC is due to its high-modulus, high intensity and lower price, so always whole world application amount is maximum
Plastic duct system, be widely used in a lot of fields of modern society.China's plastic conduit industry development is fast
Speed, has become as world's plastic conduit and produces and apply one of big country.PVC adopt extrusion molding mould produce, include divide
Flow area, compressional zone, shaping area, dilate area and shaping area.Traditional extrusion molding adopts traction machine axial tension PVC；Double
Axle orientation PVC is that the PVC of extrusion method is carried out axial tension and radial drawing, so that the PVC long-chain in tubing is divided
Son, in biaxially regular arrangement, obtains high intensity, high tenacity, high-impact, the novel PVC tubing of resisting fatigue, performance is much better than general
Logical PVC.Whether axial tension extrusion molding is also biaxially oriented extrusion molding, and the extrusion molding mould being adopted all is deposited
In several shortcomings：First, easily plastic liquid because of random packing under gravity, poor fluidity in shunting zone bottom, occurs that PVC divides when serious
Solution；2nd, because shunting muscle acts on to the beam splitting of plastic liquid, make the plastic liquid of entrance compressional zone that weld mark to occur, particularly exist
Ring becomes apparent from after dilating, and affects pipe performance；3rd, plastic liquid is dilating area's contract on cooling, easily in its surfaces stick.
Disadvantages mentioned above reflects on PVC finished product, and it is unstable to directly result in end product quality, and product intensity and toughness are relatively low, anti-opens
Split impact property poor.
Utility model content
The purpose of this utility model is for above-mentioned deficiency, provides a kind of PVC self-reinforcing extrusion molding mould, to expect
Solve to dilate core rod and lead to unstable the asking of pipe finished quality because of plastic liquid poor fluidity, the obvious and easy adhesion of weld mark
Topic, the intensity of further PVC and toughness, strengthen cracking resistance impact property.
For solving above-mentioned technical problem, this utility model employs the following technical solutions：
A kind of PVC self-reinforcing extrusion molding mould provided by the utility model, including die holder body, front die holder, shunting knot
Structure, plug, mouth mould and dilate head, described flow dividing structure includes spreader, spreader support, spreader support include inner support,
Support arm；Described die holder body is fixedly installed on support arm, and described spreader is arranged at spreader support side, and spreader is located at
Die holder intracoelomic cavity；Flow dividing structure setting can be passed through the shunting air flue of gas；Dilate head to couple with plug, plug is provided centrally with core
Excellent air flue, described spreader arranges projection, convex outer surface and die holder intracoelomic cavity surface close-fitting, constitutes and divide between adjacent protrusion
Circulation road；The described head that dilates includes base, microcephaly, changeover portion, major part, couples successively；The described head that dilates is provided centrally with connecting
Base, microcephaly, the central airway of changeover portion, described central airway opening is connected with plug air flue；Outside described base and changeover portion
Side face is respectively arranged with the radial direction air flue connecting with described central airway；Described shunting air flue and described plug air flue, central gas
Road, radial direction air flue are connected, and form mold gases passage；Described major part outer peripheral face is provided with the aerofluxuss not connected with central airway
Passage.
Described inner support and support arm pass through to shunt muscle connection, described raised and shunting muscle location matches.
Described convex outer surface is smooth, equal with described shunting muscle quantity, is annularly uniformly distributed, quantity is 4～24.
Described microcephaly and major part are conical structure, and described changeover portion is cylindrical structure；Described radial direction air flue is circle
Through hole, a diameter of 1～4mm, described radial direction air flue is annularly uniformly distributed, and quantity is 4～12；Described exhaust passage is circle
Through hole, a diameter of 1～4mm, annularly it is uniformly distributed, quantity is 4～12.
On described spreader support, screen plate is set, positioned at split channel end；Described filter surface is provided with and institute
State the manhole that split channel communicates, each manhole arranged tangential.
Described manhole, with screen plate center as the center of circle, is in that donut is distributed on screen plate, each annulus setting
Manhole quantity equal, the manhole of adjacent rings interlocks arranged tangential.
Described plug includes plug flat segments and plug changeover portion, described front die holder inner chamber and mandrel changeover portion outer surface shape
Become fluid compression passages, described screen plate is arranged on described fluid compression passages front end.
Segment length that described plug is straight is 4～6 times of described mouth mold cavity diameter.
Compared with prior art, the beneficial effects of the utility model are：First, the setting of spreader outer peripheral face is raised, adjacent convex
Form split channel between rising, drainage can be played to the plastic liquid entering spreader, simultaneously because of raised stop, reduce
Plastic liquid affects the phenomenon to the accumulation of spreader bottom because of gravity；And then improve the mobility by spreader for the plastic liquid,
Prevent from decomposing and reduce products machinery performance.2nd, dilate a central airway and be passed through the controlled gas of temperature and air pressure, from changeover portion and
The radial direction air flue of base outer perimeter face setting is discharged, and forms, dilating an outer peripheral face, the gas medium flowing, prevents from die extrusion
Plastic liquid stick to and dilate an outer peripheral face, improve the mobility of plastic liquid, prevent adhesion it is ensured that tubing article wall thickness is equal
Even.3rd, pass through to arrange screen plate in fluid compression passages front end, can allow after shunting the plastic liquid of muscle beam splitting and re-mixing
Enter fusion pressure channel, solve welding trace problem；Or replace support arm in shunting muscle connection with screen plate, effectively eliminate molten
The generation of lapping defect.
Brief description
Fig. 1 is this utility model structural representation
Fig. 2 is flow dividing structure schematic diagram
Fig. 3 is flow dividing structure upward view
Fig. 4 is flow dividing structure top view
Fig. 5 is flow dividing structure profile (A-A sectional view)
Fig. 6 is flow dividing structure three-dimensional effect diagram
Fig. 7 is prior art flow dividing structure three-dimensional effect diagram
Fig. 8 is to filter plate structure schematic diagram
Fig. 9 is to dilate header structure schematic diagram
Figure 10 is to dilate a profile
Description of reference numerals：Die holder body 1, front die holder 2, flow dividing structure 3, plug 4, mouth mould 5, dilate 6, spreader 7, point
Flow cone support 8, raised 9, split channel 10, plug changeover portion 11, plug flat segments 12, fluid compression passages 13, pipe molding
Passage 14, base 15, microcephaly 16, changeover portion 17, major part 18, central airway 19, shunt air flue 20, plug air flue 21, radial direction gas
Road 22, exhaust passage 23, screen plate 24, inner support 25, support arm 26, shunt muscle 27.
Specific embodiment
With reference to specific embodiments and the drawings, this utility model is further elaborated.
Referring to figs. 1 to shown in Fig. 6, an embodiment of the present utility model is a kind of PVC self-reinforcing extrusion molding mould, bag
Include die holder body 1, front die holder 2, flow dividing structure 3, plug 4, mouth mould 5 and dilate 6；Flow dividing structure 3 includes spreader 7 and spreader
Support 8, spreader support 8 setting can be passed through the shunting air flue 20 of gas；Die holder body 1 and front die holder 2 are fixedly mounted on spreader
On support 8, form dies cavity；Spreader 7 is arranged on spreader support 8, or is overall structure with spreader support 8, and
And be located in dies cavity；The outer peripheral face of spreader 7 arranges the projection 9 of 8 road smooth outer surfaces, and ring-type is uniformly distributed, raised 9
Outer surface profile is fitted close with the surface of internal cavity profile of die holder body 1, constitutes split channel 10 between each adjacent protrusion 9；Mouth mould 5
It is fixedly mounted on front die holder 2；Plug 4 is fixedly mounted on spreader support 8, collectively forms positioned at front die holder 2 and mouth mould 5
In mould cavity；Plug 4 includes plug changeover portion 11 and plug flat segments 12, the centrally disposed plug air flue 21 of plug 4 and shunting
Air flue 20 connects；The outer surface profile of the flat changeover portion of plug 11 constitutes fluid compression passages 13 with the inner chamber of front die holder 2, and plug is put down
The outer surface profile of straight section 12 constitutes pipe shaping channel 14 with the inner chamber of mouth mould 5；Fluid compression passages 13 and pipe molding are led to
Road 14 connects and is located at the side of spreader support 8, and split channel 10 is located at the opposite side of spreader support 8；Dilate 6 fixation
It is arranged on the front end of plug 4.Include base 15, microcephaly 16, changeover portion 17 and major part 18 with reference to shown in Fig. 9, Figure 10, dilating 6,
Base 15 is connected with plug 4 front end, dilates the central airway of 6 centrally disposed connection base 15, microcephaly 16 and changeover portion 17
19, diameter 15mm, opening is connected with plug air flue 21, and the other end is enclosed construction, can install seal plug；Base 15, transition
Section 17 is cylinder, and microcephaly 16 and major part 18 are cone；Dilate a base 15 near with microcephaly 16 intersection, and changeover portion 17
It is respectively provided with 6 circular radial direction air flues 22, diameter 2.5mm near the outer peripheral face with major part 18 intersection, ringwise uniformly divide
Cloth, radial direction air flue 22 is connected with central airway 19；6 circular exhaust passages 23 of major part 18 outer peripheral face setting, diameter 2.5mm,
Do not connect with central airway 19；Radial direction air flue 22, central airway 19, plug air flue 21 are collectively forming mould gas with shunting air flue 20
Body passage.
With reference to shown in Fig. 1, Fig. 8, another embodiment of the present utility model, spreader support 8 arranges screen plate 24,
For circular ring structure, surface is provided with the 4 row's manholes communicating with split channel 10, and manhole is with screen plate 24 center as circle
The heart, is distributed in donut, and each annulus setting manhole quantity is 138, the staggered phase of manhole of adjacent rings
Cut.Screen plate 24 and spreader support 8 can be overall structure, and screen plate 24 is located at split channel 10 end.
Screen plate 24 is alternatively Split type structure with spreader support 8, and spreader support 8 is divided into inner support 25 and support arm
26, rely on shunting muscle 27 to connect；Screen plate 24 is arranged between inner support 25 and support arm 26, raised 9 with shunting muscle 27 quantity
Equal and location matches.
In other embodiment of the present utility model, raised 9 quantity is 4 roads；A diameter of 1mm of radial direction air flue 22, number
Measure as 12；A diameter of 1mm of exhaust passage 23, quantity is 12.
In other embodiment of the present utility model, raised 9 quantity is 24 roads；A diameter of 4mm of radial direction air flue 22, number
Measure as 4；A diameter of 4mm of exhaust passage 23, quantity is 4.
In other embodiment of the present utility model, dies compress is than for 6.
Under utility model works state, the molten plastic fluid of extruder extrusion flows into dies cavity, is split boring 7 and leads
Enter the split channel 10 arranging thereon, split channel 10 has guide effect to plastic liquid, and prevents plastic liquid because of gravity
Act on and piling up to spreader 7 bottom；Plastic liquid flow forward is through spreader support 8, logical by arrange on screen plate 24
Hole enters fluid compression passages 13 after being mixed again, effectively eliminates through fusion compression and enters pipe shaping channel after weld mark
14；Plastic liquid continues to run to dilate 6, in expansion processes along pipe shaping channel 14, dilates 6 central airway 19 and leads to
Cross mold gases passage persistently to input hot gas and discharge through the radial direction air flue 22 that base 15 and changeover portion 17 outer peripheral face are arranged,
Form, dilating 6 outer peripheral face, the gas medium flowing, prevent the plastic liquid from mouth mould 5 extrusion from sticking to and dilate 6 periphery
Face；Exhaust passage 23 through setting on major part 18 returns to and dilates 6 inner chamber and from molding radial direction air flue 22 expellant gas again
Tubing center cavity discharges mould；Plastic liquid dilates through dilating 6 radial direction, extruding pipe material after traction machine travel sizing.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (8)
1. a kind of PVC self-reinforcing extrusion molding mould, including die holder body, front die holder, flow dividing structure, plug, mouth mould with dilate head,
Described flow dividing structure includes spreader, spreader support, and spreader support includes inner support, support arm；Described die holder body is fixed
It is installed on support arm, described spreader is arranged at spreader support side, spreader is located at die holder intracoelomic cavity；Flow dividing structure sets
Put the shunting air flue that can be passed through gas；Dilate head to couple with plug, plug is provided centrally with plug air flue it is characterised in that institute
State and on spreader, projection, convex outer surface and die holder intracoelomic cavity surface close-fitting are set, between adjacent protrusion, constitute split channel；Institute
State and dilate head and include base, microcephaly, changeover portion, major part, couple successively；Described dilate head be provided centrally with connect base, microcephaly,
The central airway of changeover portion, described central airway opening is connected with plug air flue；Described base and changeover portion outer peripheral face set respectively
It is equipped with the radial direction air flue connecting with described central airway；Described shunting air flue and described plug air flue, central airway, radial direction air flue
It is connected, form mold gases passage；Described major part outer peripheral face is provided with the exhaust passage not connected with central airway.
2. as claimed in claim 1 a kind of PVC self-reinforcing extrusion molding mould it is characterised in that described inner support and outer
Frame passes through to shunt muscle connection, described raised and shunting muscle location matches.
3. as claimed in claim 2 a kind of PVC self-reinforcing extrusion molding mould it is characterised in that described convex outer surface light
Sliding, equal with described shunting muscle quantity, annularly it is uniformly distributed, quantity is 4～24.
4. as claimed in claim 3 a kind of PVC self-reinforcing extrusion molding mould it is characterised in that described microcephaly and major part are
Conical structure, described changeover portion is cylindrical structure；Described radial direction air flue is manhole, a diameter of 1～4mm, described footpath
Annularly it is uniformly distributed to air flue, quantity is 4～12；Described exhaust passage is manhole, a diameter of 1～4mm, annularly
It is uniformly distributed, quantity is 4～12.
5. as claimed in claim 4 a kind of PVC self-reinforcing extrusion molding mould it is characterised in that on described spreader support
Setting screen plate, positioned at split channel end；Described filter surface is provided with the manhole communicating with described split channel,
Each manhole arranged tangential.
6. as claimed in claim 5 a kind of PVC self-reinforcing extrusion molding mould it is characterised in that described manhole is with mistake
Filter plate center is the center of circle, is in that donut is distributed on screen plate, and the manhole quantity of each annulus setting is equal, adjacent circle
The staggered arranged tangential of the manhole of ring.
7. a kind of PVC self-reinforcing extrusion molding mould as described in claim 5 or claim 6 is it is characterised in that described core
Rod includes plug flat segments and plug changeover portion, and described front die holder inner chamber and mandrel changeover portion outer surface form fluid compression and lead to
Road, described screen plate is arranged on described fluid compression passages front end.
8. as claimed in claim 7 a kind of PVC self-reinforcing extrusion molding mould it is characterised in that the straight segment length of described plug
Spend 4～6 times for described mouth mold cavity diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596209.3U CN205929397U (en) | 2016-06-15 | 2016-06-15 | PVC self enhancement extrusion moulding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596209.3U CN205929397U (en) | 2016-06-15 | 2016-06-15 | PVC self enhancement extrusion moulding mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205929397U true CN205929397U (en) | 2017-02-08 |
Family
ID=57932323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620596209.3U Withdrawn - After Issue CN205929397U (en) | 2016-06-15 | 2016-06-15 | PVC self enhancement extrusion moulding mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205929397U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881848A (en) * | 2017-02-28 | 2017-06-23 | 天津永高塑业发展有限公司 | PVC electrician's pipe processing mold with visual window |
| CN107175805A (en) * | 2016-06-15 | 2017-09-19 | 浙江驰讯管业有限公司 | A kind of PVC self-reinforcings extrusion molding mould |
| CN107379574A (en) * | 2017-08-07 | 2017-11-24 | 江西中煜程塑业股份有限公司 | PVC O tubing one step processing devices |
-
2016
- 2016-06-15 CN CN201620596209.3U patent/CN205929397U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175805A (en) * | 2016-06-15 | 2017-09-19 | 浙江驰讯管业有限公司 | A kind of PVC self-reinforcings extrusion molding mould |
| CN107175805B (en) * | 2016-06-15 | 2024-02-02 | 浙江驰讯管业有限公司 | PVC self-reinforcing extrusion molding die |
| CN106881848A (en) * | 2017-02-28 | 2017-06-23 | 天津永高塑业发展有限公司 | PVC electrician's pipe processing mold with visual window |
| CN107379574A (en) * | 2017-08-07 | 2017-11-24 | 江西中煜程塑业股份有限公司 | PVC O tubing one step processing devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20240202 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20240202 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |