CN209320260U - A kind of three-layer co-extruded mold - Google Patents
A kind of three-layer co-extruded mold Download PDFInfo
- Publication number
- CN209320260U CN209320260U CN201822130668.4U CN201822130668U CN209320260U CN 209320260 U CN209320260 U CN 209320260U CN 201822130668 U CN201822130668 U CN 201822130668U CN 209320260 U CN209320260 U CN 209320260U
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- mold
- sprue
- master mold
- fixed
- layer
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Abstract
The utility model discloses a kind of three-layer co-extruded molds, including master mold and secondary mold, the bottom end of master mold and the top of secondary mold are connected together, top on the outside of secondary mold is fixed with fixed ring, the two sides of fixed ring pass through screw and are fixedly connected with the bottom end of master mold, the inside of master mold and the inside of secondary mold offer sprue, the inside of master mold offers middle layer runner, the bottom end of middle layer runner is connected to sprue, the inside of master mold is also provided with outer layer runner, the bottom end of outer layer runner is connected to sprue, a kind of three-layer co-extruded mold of the utility model, the length of sprue can be extended by secondary mold, the bonding time of material can be extended when soft-hard coextrusion, then the quality of product is improved, it can be cooled down to the sprue of secondary mould inside by water cooling duct, by electrothermal ring can to sprue into Row heating improves product quality then convenient for the co-extrusion temperature of control sprue.
Description
Technical field
The utility model relates to technical field of mold, in particular to a kind of three-layer co-extruded mold.
Background technique
The characteristics of coextrusion is two kinds of materials along flow passage independent, is converged close to mouth mold exit, jointly
Extrusion neck ring mold.When the different each melt coextrusion of the rheological equationm of state is by a common stream road, multilayer flowing will be formed, how to be guaranteed
The pressure loss of the material in common runner is consistent, will be the key problem in co-extruding mould design.
The coextrusion product of different function, it is desirable that the technical indicator that coextruded layer reaches on profile is entirely different, therefore
Different requirements also proposed to the Die Design of coextrusion: when soft-hard coextrusion, it is desired to which coextruded layer has firm knot to profile with main
With joint efforts, therefore when design coextrusion head, it should ensure that two kinds of materials have the sufficiently long bonding time in head, existing three layers
The bonding time of co-extruding mould is short, and product quality is poor when soft-hard coextrusion, and existing Three-layer co-extrusion mold is not easy to adjust altogether
Squeeze temperature.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of three-layer co-extruded mold
The bonding time of existing Three-layer co-extrusion mold is short and is not easy to the problem of adjusting co-extrusion temperature.
To achieve the above object, the utility model provides the following technical solutions: a kind of three-layer co-extruded mold, including main mould
Tool and secondary mold, the bottom end of the master mold and the top of secondary mold are connected together, and the top fixation on the outside of the pair mold is set
Have fixed ring, the two sides of the fixed ring pass through screw and are fixedly connected with the bottom end of master mold, the inside of the master mold and
The inside of secondary mold offers sprue, and the inner ring on the master mold top is fixed with two and connects with the top of sprue
Logical main charge pipe, the inside of the master mold offer middle layer runner, and the bottom end of the middle layer runner is connected to sprue, institute
The outer ring for stating master mold top is fixed with two middle charge pipes being connected to the top of middle layer runner, the master mold it is interior
Portion is also provided with outer layer runner, and the bottom end of the outer layer runner is connected to sprue, and the two sides of the master mold are fixed with two
A additional expects pipe being connected to the top of outer layer runner.
As a kind of optimal technical scheme of the utility model, the inner wall of the pair mold offers spiral helicine water cooling hole
The both ends in road, the water cooling duct have been respectively fixedly connected with water inlet pipe and outlet pipe.
As a kind of optimal technical scheme of the utility model, several electric heating are fixed in the middle part of the pair mold
The side of ring, the pair mold is fixed with switch panel, and the surface of the switch panel is equipped with electrothermal ring control switch, if
The dry electrothermal ring passes through electrothermal ring control switch and is electrically connected with the power supply.
As a kind of optimal technical scheme of the utility model, insulating layer is fixed on the outside of the pair mold.
As a kind of optimal technical scheme of the utility model, the contact surface of the fixed ring and master mold is fixed with close
Packing.
Compared with prior art, the utility model has the beneficial effects that a kind of three-layer co-extruded mold of the utility model, leads to
The length of sprue can be extended by crossing secondary mold, and when soft-hard coextrusion can extend the bonding time of material, then improve product
Quality can cool down to the sprue of secondary mould inside by water cooling duct, can be carried out to sprue by electrothermal ring
Heating improves product quality then convenient for the co-extrusion temperature of control sprue.
Detailed description of the invention
Fig. 1 is the utility model positive structure schematic.
In figure: 1, master mold；2, secondary mold；3, sprue；4, main charge pipe；5, middle layer runner；6, middle charge pipe；7, outer
Laminar flow road；8, additional expects pipe；9, fixed ring；10, screw；11, water cooling duct；12, outlet pipe；13, water inlet pipe；14, electrothermal ring；
15, insulating layer；16, switch panel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of three-layer co-extruded mold, including master mold 1 and secondary mold 2, it is main
The bottom end of mold 1 and the top of secondary mold 2 are connected together, and the top in secondary 2 outside of mold is fixed with fixed ring 9, fixed ring 9
Two sides pass through screw 10 and are fixedly connected with the bottom end of master mold 1, and the inside of the inside of master mold 1 and secondary mold 2 offers
Sprue 3, the inner ring on 1 top of master mold are fixed with two main charge pipes 4 being connected to the top of sprue 3, master mold 1
Inside offer middle layer runner 5, the bottom end of middle layer runner 5 is connected to sprue 3, and the outer ring on 1 top of master mold is fixed with
Two middle charge pipes 6 being connected to the top of middle layer runner 5, the inside of master mold 1 are also provided with outer layer runner 7, outer laminar flow
The bottom end in road 7 is connected to sprue 3, the two sides of master mold 1 be fixed with two be connected to the top of outer layer runner 7 it is additional
Expects pipe 8.
Preferably, the inner wall of secondary mold 2 offers spiral helicine water cooling duct 11, and the both ends in water cooling duct 11 are fixed respectively
It is connected with water inlet pipe 13 and outlet pipe 12, the inside in the duct Xiang Shuileng 11, which is passed through cold water, may be implemented the mesh to cool down to material
, then reach suitable co-extrusion temperature.
Preferably, the middle part of secondary mold 2 is fixed with several electrothermal rings 14, and the side of secondary mold 2 is fixed with switch
Panel 16, the surface of switch panel 16 are equipped with electrothermal ring control switch, several electrothermal rings 14 are opened by electrothermal ring control
Pass is electrically connected with the power supply, and is carried out heating and thermal insulation by switch panel 16 convenient for controlling several electrothermal rings 14, is guaranteed material
Temperature.
Preferably, the outside of secondary mold 2 is fixed with insulating layer 15, and heat-insulated effect can be played by insulating layer 15,
Extraneous temperature is avoided to influence the temperature inside sprue 3.
Preferably, the contact surface of fixed ring 9 and master mold 1 is fixed with gasket, improves master mold 1 and secondary mold 2 connects
The leakproofness for meeting place avoids leaking.
When specifically used, a kind of three-layer co-extruded mold of the utility model passes through main charge pipe 4, middle charging respectively first
Pipe 6 and additional expects pipe 8 inject different materials to the inside of master mold 1, and then material passes through middle layer runner 5 and outer layer runner 7
Converge in sprue 3 into the sprue 3 inside secondary mold 2, the length of sprue 3 can be extended by secondary mold 2, it is soft or hard
The bonding time of material can be extended when co-extrusion, then the quality of raising product, during co-extrusion, pass through 11 both ends of water cooling duct
Water inlet pipe 13 and outlet pipe 12 can be passed through cold water to the inside in water cooling duct 11, by cold water to the master inside secondary mold 2
Runner 3 cools down, while can be heated to the sprue 3 inside secondary mold 2 by electrothermal ring 14, then convenient for control
The co-extrusion temperature of sprue 3 reduces the influence too high or too low for temperature to co-extrusion, improves product quality.
In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this
The limitation of type.
In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear
Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art
In concrete meaning.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of three-layer co-extruded mold, including master mold (1) and secondary mold (2), which is characterized in that the master mold (1)
Bottom end and the top of secondary mold (2) are connected together, and the top on the outside of the pair mold (2) is fixed with fixed ring (9), described solid
The two sides for determining ring (9) pass through screw (10) and are fixedly connected with the bottom end of master mold (1), the inside of the master mold (1) and pair
The inside of mold (2) offers sprue (3), and the inner ring on master mold (1) top is fixed with two and sprue
(3) the main charge pipe (4) of top connection, the inside of the master mold (1) offer middle layer runner (5), the middle layer runner
(5) bottom end is connected to sprue (3), the outer ring on master mold (1) top be fixed with two with middle layer runner (5)
The middle charge pipe (6) of top connection, the inside of the master mold (1) are also provided with outer layer runner (7), the outer layer runner (7)
Bottom end be connected to sprue (3), the two sides of the master mold (1) be fixed with two with the top of outer layer runner (7) connect
Logical additional expects pipe (8).
2. the three-layer co-extruded mold of one kind according to claim 1, it is characterised in that: the inner wall of the pair mold (2) is opened
Equipped with spiral helicine water cooling duct (11), the both ends of the water cooling duct (11) have been respectively fixedly connected with water inlet pipe (13) and water outlet
It manages (12).
3. the three-layer co-extruded mold of one kind according to claim 1, it is characterised in that: the middle part of the pair mold (2) is solid
Surely several electrothermal rings (14) are equipped with, the side of the pair mold (2) is fixed with switch panel (16), the switch panel
(16) surface is equipped with electrothermal ring control switch, several described electrothermal rings (14) pass through electrothermal ring control switch and power supply
It is electrically connected.
4. the three-layer co-extruded mold of one kind according to claim 1, it is characterised in that: the outside of the pair mold (2) is solid
Surely insulating layer (15) are equipped with.
5. the three-layer co-extruded mold of one kind according to claim 1, it is characterised in that: the fixed ring (9) and master mold
(1) contact surface is fixed with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130668.4U CN209320260U (en) | 2018-12-19 | 2018-12-19 | A kind of three-layer co-extruded mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130668.4U CN209320260U (en) | 2018-12-19 | 2018-12-19 | A kind of three-layer co-extruded mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209320260U true CN209320260U (en) | 2019-08-30 |
Family
ID=67727300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822130668.4U Expired - Fee Related CN209320260U (en) | 2018-12-19 | 2018-12-19 | A kind of three-layer co-extruded mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209320260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561616A (en) * | 2020-05-20 | 2020-08-21 | 安徽英标新材料科技有限公司 | High-pressure-resistant PE drain pipe and preparation method thereof |
-
2018
- 2018-12-19 CN CN201822130668.4U patent/CN209320260U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561616A (en) * | 2020-05-20 | 2020-08-21 | 安徽英标新材料科技有限公司 | High-pressure-resistant PE drain pipe and preparation method thereof |
| CN111561616B (en) * | 2020-05-20 | 2021-07-27 | 安徽英标新材料科技有限公司 | High-pressure-resistant PE drain pipe and preparation method thereof |
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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 |
Granted publication date: 20190830 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |