CN206085649U - Radially tensile mould of PVC tubular product - Google Patents
Radially tensile mould of PVC tubular product Download PDFInfo
- Publication number
- CN206085649U CN206085649U CN201620947573.XU CN201620947573U CN206085649U CN 206085649 U CN206085649 U CN 206085649U CN 201620947573 U CN201620947573 U CN 201620947573U CN 206085649 U CN206085649 U CN 206085649U
- Authority
- CN
- China
- Prior art keywords
- die head
- extruder die
- radial drawing
- mould
- pvc
- 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
Links
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a radially tensile mould of PVC tubular product, include extruder die head and the discoid radial tensile mould that is located extruder die head front end, be connected through screw mandrel between radial tensile mould and the extruder die head. The utility model discloses a setting up radial tensile mould at the front end of extruder die head and going on radially tensilely to tubular product, the product is through radial tensile back, has improved PVC tubular product's comprehensive properties by a wide margin, and compression strength can improve more than 20%.
Description
Technical field
The utility model is related to technical field of mold, more specifically, more particularly to a kind of PVC radial drawing mould
Tool.
Background technology
At present, PVC adopts extrusion technique, PVC macromolecular materials to pass through mould after extruder barrel plasticizing
Extrusion tubing is carried out, PVC macromolecular materials are pulled the stretching action of machine after mould is extruded and axial drawing occurs
Orientation is stretched, then tubing article is obtained through cooling and shaping, because macromolecular material receives axial stretching, so as to improve
The axial strength of PVC product, but the stretching that radial direction does not occur is because, so low strength of the tubing in radial direction, product
Combination property be affected.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, there is provided a kind of PVC radial drawing mould
Tool, carries out in process of production radial drawing to tubing, lifts the radial strength of tubing.
For achieving the above object, the technical solution adopted in the utility model is：A kind of PVC radial drawing mould, bag
Include extruder die head and the discoid radial drawing mould positioned at extruder die head front end, the radial drawing mould and extruder die head
Between by fixed screw mandrel connection.
The utility model carries out radial drawing, product by arranging radial drawing mould in the front end of extruder die head to tubing
After radial drawing, the combination property of PVC product is greatly improved, compressive resistance can improve more than 20%.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- extruder die heads；2- radial drawing moulds；3- fixes screw mandrel.
Specific embodiment
The utility model is described in further detail for embodiment in below in conjunction with the accompanying drawings, but does not constitute to this reality
With new any restriction.
As shown in figure 1, a kind of PVC radial drawing mould that the utility model is provided, including extruder die head 1 and position
In the discoid radial drawing mould 2 of the front end of extruder die head 1, by fixing between the radial drawing mould 2 and extruder die head 1
Screw mandrel 3 connects.
The size of the radial drawing mould 2 and its can be entered according to practical condition with the distance between extruder die head 1
Row is changed and adjusted.Under normal circumstances, the size of radial drawing mould 2 is with its diameter D1 as the annular channel external diameter of extruder die head 1
1.4 times of D2 are optimal, and the distance between it is with extruder die head 1, and L values are advisable for 18-20cm.
In process of production, the high temperature stock of melting is from after the extrusion molding of extruder die head 1, through radial drawing mould 2
When, its radial drawing effect can be subject to, tubing is diametrically expanded, then cooled down through cooling and shaping equipment, so as to
Prepared PVC.
The utility model carries out radial drawing to tubing by arranging radial drawing mould 2 in the front end of extruder die head 1, produces
Product greatly improved the combination property of PVC product after radial drawing, and compressive resistance can improve more than 20%, meet
In the case of equality strength, the consumption of raw material can be reduced during production.
Claims (2)
1. a kind of PVC radial drawing mould, it is characterised in that：Including extruder die head and positioned at extruder die head front end
Discoid radial drawing mould, by fixed screw mandrel connection between the radial drawing mould and extruder die head.
2. PVC radial drawing mould according to claim 1, it is characterised in that：The diameter of the radial drawing mould
D1 is 1.4 times of extruder die head annular channel outer diameter D 2, and the distance between it is with extruder die head, and L values are 18-20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947573.XU CN206085649U (en) | 2016-08-26 | 2016-08-26 | Radially tensile mould of PVC tubular product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947573.XU CN206085649U (en) | 2016-08-26 | 2016-08-26 | Radially tensile mould of PVC tubular product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206085649U true CN206085649U (en) | 2017-04-12 |
Family
ID=58470035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620947573.XU Expired - Fee Related CN206085649U (en) | 2016-08-26 | 2016-08-26 | Radially tensile mould of PVC tubular product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206085649U (en) |
-
2016
- 2016-08-26 CN CN201620947573.XU patent/CN206085649U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170412 Termination date: 20190826 |