CN102049850A - Triple crosshead for plastic pipe - Google Patents
Triple crosshead for plastic pipe Download PDFInfo
- Publication number
- CN102049850A CN102049850A CN2010105131612A CN201010513161A CN102049850A CN 102049850 A CN102049850 A CN 102049850A CN 2010105131612 A CN2010105131612 A CN 2010105131612A CN 201010513161 A CN201010513161 A CN 201010513161A CN 102049850 A CN102049850 A CN 102049850A
- Authority
- CN
- China
- Prior art keywords
- mould
- layer
- triple
- crosshead
- layers
- 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.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 42
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 8
- 239000003000 extruded plastic Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a triple crosshead for a plastic pipe, which comprises an interlayer mould and inner and outer double-layer moulds respectively connected with two extrusion machines and then connected to a triple-layer mould for confluence, wherein an outer neck ring mould is connected to the triple mould; a central spindle is arranged on the inner ring of the outer neck ring mould and forms a triple-layer gathering channel together with the outer neck ring mould; the inner and outer double-layer moulds are arranged on the main axis of the crosshead; and the central line of the interlayer mould and the central line of the crosshead form an inclined angle of 30-60 degrees. The triple extrusion crosshead provided by the invention has high production efficiency, the wall of the produced pipe has uniform thickness, the triple-layer mould closing effect is good and no parting line exists.
Description
Technical field
The present invention relates to a kind of plastic pipe three-layer co-extruding machine head.
Background technology
The three-layer co-extruded plastic pipe of producing in the prior art, the inside and outside layer material of most of tubing uses with a kind of plastic material, the material that use in the intermediate layer is different with the material that inside and outside layer uses, thereby uses two extruders just can finish fully and extrude production task.Three-layer co-extruded plastic pipe head of the prior art, it mainly adopts two extruders, wherein on the center line that is arranged in unit, molten plastic is clamp-oned the inside and outside layer of head, and another is vertical with center line, and the molten plastic of extruding is clamp-oned the intermediate layer by the aperture in the shunting support ribs.This mode mainly contains following shortcoming: (1) production efficiency is low, and head intermediate layer runner will be by the aperture on the shunting support ribs, and sectional area can not be excessive, and this will make pressure increase, and forms the larynx footpath.(2) two extruders becomes 90 ° of layouts, intermediate layer extruder inlet melt flows direction and pipe forming direction differ 90 ° of angles, the interlayer melted fluid is difficult for arriving a mouthful mould simultaneously on 360 ° of directions of circumference, and is easily that the mouth mould is crowded flat when particularly just having driven, and makes tube wall thickness inhomogeneous.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming of the prior art, the three-layer co-extruding machine head of a kind of production efficiency height, even tube wall is provided.
A kind of plastic pipe three-layer co-extruding machine head of the present invention, comprise the intermediate layer mould and the inside and outside double stack mold that link to each other respectively with two extruders, be connected respectively to again on three layers of mould and conflux, the collar extension mould links to each other with three layers of mould, plug is at the inner ring of collar extension mould, constitute tubing with the collar extension mould and gather runner for three layers, described inside and outside double stack mold is on the general axis of head, and intermediate layer mold center line and head center line are 30-60 ° of angle and arrange.
In a preferred embodiment of the invention, described three layers of mould outer ring are connected with outer heating collar.
In a preferred embodiment of the invention, described intermediate layer mould and inside and outside double stack mold are connected on the extruder by the head connector.
The present invention compares its advantage with the prior art scheme: the production efficiency height, and the tube material and tube wall thickness of being produced is even, and three laminated moulds are effective, no die parting line.
Description of drawings
Fig. 1 is an embodiment of the present invention structural representation.
Among the figure: 1,2 is that head connector, 3 is that ectonexine die head, 4 is that intermediate layer die head, 5 is that internal layer runner, 6 is that outer runner, 7 is that intermediate layer runner, 8 is that heating collar, 9 is that three layers of mould, 10 are mandrel, and 11 is the collar extension mould.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby protection scope of the present invention is made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
As shown in Figure 1, this head is by the two extruders feed, by head connector 1,2 one connect two extruders respectively, the other end connects intermediate layer mould 4 and inside and outside double stack mold 3, intermediate layer mould 4 and inside and outside double stack mold 3 are connected respectively on three layers of mould 9 again and conflux, collar extension mould 11 links to each other with three layers of mould 9, mandrel 10 is at the inner ring of collar extension mould 11, constitute tubing with collar extension mould 11 and gather runner for three layers, described inside and outside double stack mold 3 is on the general axis of head, intermediate layer mould 4 center lines and head center line are 30-60 ° of angle and arrange that described three layers of mould 9 outer ring are connected with outer heating collar 8.
This embodiment is performed such work: the melting charge stream of an extruder flows into inside and outside double stack mold 3 by head connector 1, shunts then, and a part flows into internal layer runner 5, and a part flows into outer runner 6; The another kind of melting charge stream of another extruder flows into intermediate layer mould 4 by head connector 2 simultaneously, and then imports intermediate layer runner 7; Three layers of mould 9 are flow through in materials flow in the three laminar flow roads more together, converge inflow again and gather runner for three layers, form pipe through further compression combined back, and again through supercooling, sizing and tubulation subsidiary engine have just formed the three-layer composite pipe material.
Production efficiency height of the present invention, the tube material and tube wall thickness of being produced is even, and three laminated moulds are effective, no die parting line.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (3)
1. plastic pipe three-layer co-extruding machine head, it is characterized in that, comprise the intermediate layer mould and the inside and outside double stack mold that link to each other respectively with two extruders, be connected respectively to again on three layers of mould and conflux, the collar extension mould links to each other with three layers of mould, and mandrel constitutes three layers with the collar extension mould and gathers runner at the inner ring of collar extension mould, described inside and outside double stack mold is on the general axis of head, and intermediate layer mold center line and head center line are 30-60 ° of angle and arrange.
2. a kind of plastic pipe three-layer co-extruding machine head according to claim 1 is characterized in that, described three layers of mould outer ring are connected with outer heating collar.
3. a kind of plastic pipe three-layer co-extruding machine head according to claim 1 is characterized in that described intermediate layer mould and inside and outside double stack mold are connected on the extruder by the head connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105131612A CN102049850A (en) | 2010-10-20 | 2010-10-20 | Triple crosshead for plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105131612A CN102049850A (en) | 2010-10-20 | 2010-10-20 | Triple crosshead for plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102049850A true CN102049850A (en) | 2011-05-11 |
Family
ID=43954810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105131612A Pending CN102049850A (en) | 2010-10-20 | 2010-10-20 | Triple crosshead for plastic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102049850A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231500A (en) * | 2013-03-25 | 2013-08-07 | 江苏百新塑业有限公司 | Molding method and special extrusion mold head of multilayer plastic building template |
| CN114376919A (en) * | 2022-01-08 | 2022-04-22 | 江苏康进医疗器材有限公司 | Nasal gastrointestinal tube full-developing catheter and production equipment and production process thereof |
| CN114633501A (en) * | 2022-03-14 | 2022-06-17 | 安徽源锂高新材料有限公司 | Double-wall corrugated pipe strength enhancing process |
-
2010
- 2010-10-20 CN CN2010105131612A patent/CN102049850A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231500A (en) * | 2013-03-25 | 2013-08-07 | 江苏百新塑业有限公司 | Molding method and special extrusion mold head of multilayer plastic building template |
| CN114376919A (en) * | 2022-01-08 | 2022-04-22 | 江苏康进医疗器材有限公司 | Nasal gastrointestinal tube full-developing catheter and production equipment and production process thereof |
| CN114633501A (en) * | 2022-03-14 | 2022-06-17 | 安徽源锂高新材料有限公司 | Double-wall corrugated pipe strength enhancing process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101229680B (en) | Die head of canulate forming machine | |
| CN205395084U (en) | A five layers of compound tubular product molding die for extrude at a high speed | |
| CN203713035U (en) | Handpiece for co-extrusion biaxial stretching composite pipe | |
| CN102767651A (en) | Three-wall corrugated pipe and manufacturing equipment thereof | |
| CN106738757A (en) | Double-layer composite pipe extruded mould improved structure | |
| CN101539223B (en) | Double-walled plastic pipeline manufacturing method and double-walled plastic pipeline extruding mould | |
| CN206357607U (en) | Double-layer composite pipe extruded mould | |
| CN102049850A (en) | Triple crosshead for plastic pipe | |
| CN202412660U (en) | Double-layer composite pipe headpiece | |
| CN201863382U (en) | Plastic pipe three-layer co-extruder head | |
| CN2774751Y (en) | Three layer coextruding device for blow molding machine | |
| CN204604855U (en) | A kind of PPR pipe co-extruder head | |
| CN204773481U (en) | Mould of coextru -lamination plastics | |
| CN2336949Y (en) | Plastic three-layer co-extruding machines heads for tubes | |
| CN209176140U (en) | The three-layer co-extruded spiral mould of PE tubing | |
| CN211542302U (en) | Extrusion die with cooling sleeve for plastic extruder | |
| CN107297881A (en) | A kind of co-extruder head prepared for electric wire | |
| CN106738774A (en) | Double-layer composite pipe extruded mould | |
| CN202507508U (en) | Three-layer screw-type pipe co-extrusion handpiece | |
| CN201192895Y (en) | Mold head of hollow molding machine | |
| CN103737887B (en) | A kind of processing method of multi-layer thermoplasticity plastic pipe | |
| CN104260310B (en) | Device for manufacturing fiber materials and product by laminating method | |
| CN204658919U (en) | Bulk plastic hollow blow molding three layers of extruder head | |
| CN206201437U (en) | A kind of two-layer compound PP R pipe molds | |
| CN206357602U (en) | Double-layer composite pipe extruded mould improved structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110511 |