CN106608034A - Continuous fiber bundle multi-layer co-extrusion head die - Google Patents
Continuous fiber bundle multi-layer co-extrusion head die Download PDFInfo
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- CN106608034A CN106608034A CN201510697401.1A CN201510697401A CN106608034A CN 106608034 A CN106608034 A CN 106608034A CN 201510697401 A CN201510697401 A CN 201510697401A CN 106608034 A CN106608034 A CN 106608034A
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- die
- compound
- external mold
- mold
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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
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A continuous fiber bundle multi-layer co-extrusion head die comprises a compound die head used for being connected with a main extruder, a compound outer die used for being connected with an auxiliary extruder, a core die, a mouth die and a die head pressing plate. The compound die head is provided with a main material runner used for communicating with the main extruder. The compound outer die is provided with an auxiliary material runner used for communicating with the auxiliary extruder. A first runner is formed between the mouth die and the compound outer die, and a second runner is formed between the mouth die and the core die. A continuous fiber bundle enters a filament penetrating channel through a filament penetrating hole in the mouth die, intersects with resin from the main material runner and the auxiliary material runner at the port of the mouth die and is evenly wrapped by the resin, and a multi-layer compound structure is formed. The continuous fiber bundle multi-layer co-extrusion head die has the beneficial effects that the application range is wide, high efficiency and energy saving are achieved, the technology operation is simple, fiber bundles are arranged in order, and the fiber modification effect is obvious.
Description
Technical field
The present invention relates to mould, more particularly to a kind of multi-layer co-extruded extrusion die of continuous tow.
Background technology
Plastic pipe has the advantages that light weight, corrosion-resistant, long service life, but with traditional piping material (such as concrete
Pipe etc.) compare, there is certain gap in use intensity.This defect greatly limit the popularization of plastic pipe with
Using.Fiber has the features such as intensity is high, wear-resisting, resistance to impact is good, therefore is commonly used for the enhancing of plastic pipe
It is modified, plastic pipe is strengthened especially by addition continuous tow, toughening modifying.
Patent of invention CN201293157Y is disclosed a kind of " PE coiled composite tubes ".The continuous fibre referred in patent
The production stage of dimension beam reinforced plastics tubing is as follows：Embryo in extrusion die extrusion circular pipe is first passed around, it is to be cooled
Continuously weave cotton cloth in its outer surface after sizing and wind one layer of fibre bundle, enter back into extruder and coat one layer of resin, it is cold again
But shape, form a kind of " sandwich " structure.This mode of production has the disadvantage that：(1) product limitation,
Can only realize on real wall, circular plastic pipe, it is impossible to be applied on plastic tubing of hollow structural wall, especially
Be I-shaped die, ripple type, cyclic rib type structure-wall pipe material；(2) low production efficiency, the production line of tubing
Long, equipment is various, and long the production cycle, product quality is not easy stability contorting；(3) production power consumption is high, the tubing
Shaping needs 2 moulding process；(4) adhesion between fiber and resin is limited, fiber when being acted on by external force
Easily mutually peel off with resin, product service life is low.
Patent of invention CN2601817Y discloses a kind of " roving glass fiber spiral online mixed round plastic tube extrusion
Head ".The head may be installed on various general-purpose plastics pipe extruders, and glass fibre can continuously be cut into one
The chopped fiber of measured length, makes glass fibre be mixed in plastic melt, then makes blend melt around tubing plug axis
Helical flow.The method achieve between fiber and resin melt it is uniform mix, simplify fiber reinforcement tubing
Production procedure, reduces production cost；Fiber can be caused simultaneously to be orientated along pipe wall screw.But this producer
The maximum problem of formula is accompanied by the chopped fiber that continuous fiber is cut into 3～5mm, and fiber is greatly lowered
To tubing impact strength, the room for promotion of tensile strength.
The content of the invention
A kind of purpose of the present invention, exactly in order to solve the above problems, there is provided the multi-layer co-extruded head of continuous tow
Mould.
In order to achieve the above object, present invention employs technical scheme below：A kind of continuous tow is multi-layer co-extruded
Extrusion die, it includes：
For the compound die head being connected with main extruder, the master for connecting with main extruder is provided with compound die head
Stream road；
For the compound external mold being connected with auxiliary extruder, it is provided with compound external mold for auxiliary with what auxiliary extruder was connected
Stream road；
Core, is connected with compound die head thread；
Mouth mold, it is outer and be bolted by compound external mold to be enclosed within core, and the is formed between mouth mold and compound external mold
One runner, forms second flow channel between mouth mold and core；
Die head pressing plate, is sleeved on compound external mold and is connected with compound die head by bolt.
The mouth mold includes annular head and tubular body portion, and head exterior surface is provided with multiple wire holes, body portion phase
Multiple passage of wearing should be provided with to connect with the wire hole；Continuous tow is entered by wire hole and wears a passage,
The port of mouth mold crosses with the resin from major ingredient runner and auxiliary material runner and is equably coated, and forms MULTILAYER COMPOSITE
Structure.
The compound die head is connected in series by the first die head, the second die head and the 3rd die head order, wherein the first die head
The main feed mouth for being connected with main extruder is provided with, the 3rd die head is provided with core threaded connection
Screw thread mesopore；Resin from main extruder enters the major ingredient runner by main feed mouth, and by major ingredient runner
Into the first flow and second flow channel, converge with continuous tow in mouth mold port.
The compound external mold includes the first external mold, the second external mold and the 3rd external mold that order is arranged, and the first external mold passes through
Die head pressing plate is connected with the 3rd die head in compound die head, is provided with interval between the second external mold and the first external mold, and second
External mold and the 3rd external mold are chained together and are sleeved in mouth mold, and are connected with the first external mold by screw rod；The mouth mold
On wire hole from it is described interval expose；The auxiliary charging aperture for being connected with auxiliary extruder is provided with the 3rd external mold,
The auxiliary material runner is arranged between the 3rd external mold and the second external mold；Resin from auxiliary extruder passes through auxiliary charging aperture
Into the auxiliary material runner, and external protection is extruded in mouth mold port.
Spacing between the wire hole is more than 1mm.
The continuous tow by glass fibre, carbon fiber, superhigh molecular weight polyethylene fibers, polyurethane fiber,
The combination of one or more in nylon fiber, polyester fiber, metallic fiber is made.
Additional gas ket and temperature sensor are cased with the compound external mold.
The big I of the first flow is adjusted by adjusting the gap between mouth mold and the second external mold.
The big I of the second flow channel is adjusted by adjusting the gap between mouth mold and core.
The quantity and size of the wire hole is arranged according to the actual demand of product.
Of the invention structure is relatively simple, flow passage design compared with traditional multi-layer co-extruded extrusion die, fine
Dimension beam can continuously, be evenly distributed in resin while playing the modified effect of enhancing, toughness reinforcing.With applicable model
Enclose that wide, energy-efficient, technological operation is simple, fibre bundle aligned orderly, the advantage of fibre modification effect is significant.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2, Fig. 3 are the exploded structural representation of the present invention.
Specific embodiment
Referring to Fig. 1, coordinate referring to Fig. 2, Fig. 3, the multi-layer co-extruded extrusion die of continuous tow of the invention,
Including being connected in series compound die head by the first die head 1, the second die head 2 and the order of the 3rd die head 2, by sequentially arranging
The first external mold 4, the second external mold 5 and the composition of the 3rd external mold 6 compound external mold, and core 7, the and of mouth mold 8
Die head pressing plate 9.
Compound die head is used to be connected with main extruder, and the major ingredient for connecting with main extruder is provided with compound die head
Runner 10；Wherein the first die head 1 is provided with the main feed mouth 11 for being connected with main extruder, the 3rd die head
3 are provided with the internal thread mesopore 31 for core threaded connection；Resin from main extruder is entered by main feed mouth
Stream road is become owner of, and first flow and second flow channel are entered by major ingredient runner, in mouth mold port and continuous tow
Converge.
Compound external mold is used to be connected with auxiliary extruder, and the auxiliary material for connecting with auxiliary extruder is provided with compound external mold
Runner 14；Wherein, the first external mold 4 is connected by die head pressing plate 9 with the 3rd die head 3 in compound die head, the
Interval is provided between two external molds 5 and the first external mold 4, the second external mold 5 is chained together with the 3rd external mold 6 and is sleeved on
In mouth mold 8, and it is connected with the first external mold by screw rod；Wire hole in mouth mold 8 exposes from above-mentioned interval；
Three external molds 6 are provided with the auxiliary charging aperture 61 for being connected with auxiliary extruder, and above-mentioned auxiliary material runner 14 is arranged on the 3rd
Between external mold and the second external mold；Resin from auxiliary extruder enters above-mentioned auxiliary material runner 14 by auxiliary charging aperture 61,
And it is extruded into external protection in the port of mouth mold 8.Auxiliary charging aperture 61 can be by Flux Valve Control from auxiliary
The resin flow size of extruder, even turns off.
Core 7 is connected with compound die head thread.
Mouth mold 8 is enclosed within outside core 7 and is bolted by compound external mold, the shape between mouth mold 8 and compound external mold
Into first flow 12, second flow channel 13 is formed between mouth mold 8 and core 7.Above-mentioned mouth mold 8 includes annular
Head and tubular body portion, head exterior surface is provided with multiple wire holes 81, and body portion is correspondingly provided with multiple wears a passage
Connect with the wire hole；Continuous tow is entered by wire hole and wears a passage, autonomous with next in the port of mouth mold
The resin of stream road and auxiliary material runner crosses and is equably coated, and forms multi-layer compound structure.
Die head pressing plate 9 is sleeved on compound external mold and is connected with compound die head by bolt.
The spacing between wire hole in the present invention is more than 1mm.
Continuous tow in the present invention is by glass fibre, carbon fiber, superhigh molecular weight polyethylene fibers, polyurethane
The combination of one or more in fiber, nylon fiber, polyester fiber, metallic fiber is made.
Additional gas ket and temperature sensor (not shown out) are cased with compound external mold.For controlling extrusion die
Temperature.
The big I of the first flow in the present invention is adjusted by adjusting the gap between mouth mold and the second external mold.
The big I of the second flow channel in the present invention is adjusted by adjusting the gap between mouth mold and core.
The quantity and size of the wire hole in the present invention is arranged according to the actual demand of product.
The embodiment concrete operating principle is as follows：Continuous tow is pulled into relatively by wire hole 81 before start
That what is answered wears a passage, and the molten resin of main extruder is shunted when mouth mold 8 is flowed through, and respectively enters mouth mold and core
Second flow channel between mould, the first flow between mouth mold and compound external mold, and cross in mouth mold port and uniform
Ground covered fiber beam.Auxiliary extruder adds resin, molten resin to flow through auxiliary material runner 14 by auxiliary charging aperture 61,
Outer jacket is extruded in mould port.
The present invention has that applied widely, energy-efficient, technological operation is simple, fibre bundle aligned orderly, fiber change
The advantage of property effect is significant.
Claims (10)
1. the multi-layer co-extruded extrusion die of a kind of continuous tow, it is characterised in that include：
For the compound die head being connected with main extruder, the master for connecting with main extruder is provided with compound die head
Stream road；
For the compound external mold being connected with auxiliary extruder, it is provided with compound external mold for auxiliary with what auxiliary extruder was connected
Stream road；
Core, is connected with compound die head thread；
Mouth mold, it is outer and be bolted by compound external mold to be enclosed within core, and the is formed between mouth mold and compound external mold
One runner, forms second flow channel between mouth mold and core；
Die head pressing plate, is sleeved on compound external mold and is connected with compound die head by bolt.
2. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 1, it is characterised in that：It is described
Mouth mold includes annular head and tubular body portion, and head exterior surface is provided with multiple wire holes, and body portion is correspondingly provided with many
An individual passage of wearing is connected with the wire hole；Continuous tow is entered by wire hole and wears a passage, at the end of mouth mold
Mouth crosses with the resin from major ingredient runner and auxiliary material runner and is equably coated, and forms multi-layer compound structure.
3. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 1, it is characterised in that：It is described
Compound die head is connected in series by the first die head, the second die head and the 3rd die head order, wherein the first die head is provided with use
In the main feed mouth being connected with main extruder, the 3rd die head is provided with the internal thread for core threaded connection
Hole；Resin from main extruder enters the major ingredient runner by main feed mouth, and enters institute by major ingredient runner
First flow and second flow channel are stated, is converged with continuous tow in mouth mold port.
4. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 1, it is characterised in that：It is described
Compound external mold includes the first external mold, the second external mold and the 3rd external mold that order is arranged, and the first external mold passes through die head pressing plate
It is connected with the 3rd die head in compound die head, interval, the second external mold and is provided between the second external mold and the first external mold
Three external molds are chained together and are sleeved in mouth mold, and are connected with the first external mold by screw rod；Silk is worn in the mouth mold
Expose from the interval in hole；The auxiliary charging aperture for being connected with auxiliary extruder, the auxiliary material are provided with the 3rd external mold
Runner is arranged between the 3rd external mold and the second external mold；Resin from auxiliary extruder enters described by auxiliary charging aperture
Auxiliary material runner, and it is extruded into external protection in mouth mold port.
5. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 2, it is characterised in that：It is described
Spacing between wire hole is more than 1mm.
6. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 1, it is characterised in that：It is described
Continuous tow by glass fibre, carbon fiber, superhigh molecular weight polyethylene fibers, polyurethane fiber, nylon fiber,
The combination of one or more in polyester fiber, metallic fiber is made.
7. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 1, it is characterised in that：It is described
Additional gas ket and temperature sensor are cased with compound external mold.
8. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 1, it is characterised in that：It is described
The big I of first flow is adjusted by adjusting the gap between mouth mold and the second external mold.
9. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 1, it is characterised in that：It is described
The big I of second flow channel is adjusted by adjusting the gap between mouth mold and core.
10. the multi-layer co-extruded extrusion die of continuous tow as claimed in claim 2, it is characterised in that：It is described
The quantity and size of wire hole is arranged according to the actual demand of product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697401.1A CN106608034B (en) | 2015-10-23 | 2015-10-23 | The multi-layer co-extruded extrusion die of continuous tow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697401.1A CN106608034B (en) | 2015-10-23 | 2015-10-23 | The multi-layer co-extruded extrusion die of continuous tow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106608034A true CN106608034A (en) | 2017-05-03 |
| CN106608034B CN106608034B (en) | 2018-10-19 |
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ID=58613707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510697401.1A Active CN106608034B (en) | 2015-10-23 | 2015-10-23 | The multi-layer co-extruded extrusion die of continuous tow |
Country Status (1)
| Country | Link |
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| CN (1) | CN106608034B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738428A (en) * | 2017-10-13 | 2018-02-27 | 深圳大学 | The method of extruding machine mold and production continuous fiber enhancing composite |
| CN108177320A (en) * | 2018-02-10 | 2018-06-19 | 山东大学 | A kind of fiber reinforcement pipe class section bar Compound Extrusion device and its pressing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59131432A (en) * | 1983-08-22 | 1984-07-28 | Meiji Gomme Kasei:Kk | Molding method of pipe having different diameters |
| CN101025347A (en) * | 2007-02-13 | 2007-08-29 | 陈鸿文 | Technology for making bendable heat pipe by tubelike extruding formation method |
| CN101653983A (en) * | 2009-09-08 | 2010-02-24 | 上海清远管业科技有限公司 | Extrusion die for manufacturing wall pipe with plastic winding structure |
| CN103264512A (en) * | 2013-05-24 | 2013-08-28 | 南京工业大学 | Continuous production equipment and continuous production technology of foam core composite material sandwich plate |
| CN205219671U (en) * | 2015-10-23 | 2016-05-11 | 上海清远管业科技有限公司 | Continuous fibers restraints multilayer coextrusion aircraft nose mould |
-
2015
- 2015-10-23 CN CN201510697401.1A patent/CN106608034B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59131432A (en) * | 1983-08-22 | 1984-07-28 | Meiji Gomme Kasei:Kk | Molding method of pipe having different diameters |
| CN101025347A (en) * | 2007-02-13 | 2007-08-29 | 陈鸿文 | Technology for making bendable heat pipe by tubelike extruding formation method |
| CN101653983A (en) * | 2009-09-08 | 2010-02-24 | 上海清远管业科技有限公司 | Extrusion die for manufacturing wall pipe with plastic winding structure |
| CN103264512A (en) * | 2013-05-24 | 2013-08-28 | 南京工业大学 | Continuous production equipment and continuous production technology of foam core composite material sandwich plate |
| CN205219671U (en) * | 2015-10-23 | 2016-05-11 | 上海清远管业科技有限公司 | Continuous fibers restraints multilayer coextrusion aircraft nose mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738428A (en) * | 2017-10-13 | 2018-02-27 | 深圳大学 | The method of extruding machine mold and production continuous fiber enhancing composite |
| CN108177320A (en) * | 2018-02-10 | 2018-06-19 | 山东大学 | A kind of fiber reinforcement pipe class section bar Compound Extrusion device and its pressing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106608034B (en) | 2018-10-19 |
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