CN206484912U - Double-layer plastic pipeline connection electric melting pipe fittings and its injection mold - Google Patents
Double-layer plastic pipeline connection electric melting pipe fittings and its injection mold Download PDFInfo
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- CN206484912U CN206484912U CN201720069715.1U CN201720069715U CN206484912U CN 206484912 U CN206484912 U CN 206484912U CN 201720069715 U CN201720069715 U CN 201720069715U CN 206484912 U CN206484912 U CN 206484912U
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- liner
- overcoat
- core
- moving platen
- binding post
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Abstract
The utility model discloses a kind of double-layer plastic pipeline connection electric melting pipe fittings and its injection mold, electric melting pipe fittings include tubular liner, spiral helicine heating wire groove is provided with the periphery wall of liner, heating wire is wound with heating wire groove, the two ends of liner are provided with a binding post indent, a binding post is installed in each binding post indent, the two ends of heating wire are respectively wound around corresponding binding post bottom and are pressed between the bottom of the binding post and the binding post indent;It is provided with the middle part of liner in liner groove, liner groove and metal tube is installed, the two ends of metal tube is each passed through the side wall of liner groove and extend into the inner chamber of liner;Overcoat is injection molded with the outside of liner, outer wall and the overcoat of binding post indent are combined together, and weld monitor device is provided with overcoat;The technical program is simple in construction, easy to use, it is adaptable to the quick connection of double-layer plastic pipeline.
Description
Technical field
The utility model patent is related to a kind of injecting products field, more particularly to a kind of for double-skin duct connection electric smelting
Pipe fitting and its injection mold.
Background technology
In the electric melting pipe fittings used at present, the electric melting pipe fittings in few band logical hole in need are used, therefore, without very ripe
Technology can use for reference, the electric melting pipe fittings of through hole are carried particularly in electric melting pipe fittings, due to the affected by high in injection moulding process, are used
Displacement is easily deformed in the pipe fitting of through hole, so as to cause a large amount of generations of defective work, is unfavorable for continuous and stable production.
Utility model content
First technical problem to be solved in the utility model is to provide a kind of Double-layer Plastic simple in construction, easy to use
Pipe material connection electric melting pipe fittings.
In order to solve the above technical problems, the technical solution of the utility model is:Double-layer plastic pipeline connection electric melting pipe fittings,
Including tubular liner, it is provided with the periphery wall of the liner in spiral helicine heating wire groove, the heating wire groove and is wound with electricity
Heated filament, the two ends of the liner are provided with a binding post indent, and a wiring is provided with each binding post indent
Post, two free ends of the heating wire are respectively wound around corresponding binding post bottom and are pressed in the binding post and described connect
Between the bottom of terminal indent;It is provided with the middle part of the liner in liner groove, the liner groove and metal tube is installed, institute
The two ends for stating metal tube are each passed through the side wall of the liner groove and extend into the inner chamber of the liner;The liner it is interior
Inscribed pipeline stopping means is provided with wall;
Overcoat is injection molded with the outside of the liner, outer wall and the overcoat of the binding post indent melt as one
Weld monitor device is provided with body, the overcoat.
As a kind of perferred technical scheme, it is provided with binding post protective case on the overcoat.
As a kind of perferred technical scheme, the weld monitor device includes the monitoring being arranged on the overcoat
Monitoring post is provided with hole, the monitoring holes.
As a kind of perferred technical scheme, the inscribed pipeline stopping means includes being arranged in the middle of the liner inwall
It is symmetrically arranged with the spacing preiection ring spacing for inner tube, the liner inwall of the spacing preiection ring both sides for limiting
The limited block of position outer tube.
By adopting the above-described technical solution, double-layer plastic pipeline connection electric melting pipe fittings, including tubular liner, it is described interior
It is provided with the periphery wall of lining in spiral helicine heating wire groove, the heating wire groove and is wound with heating wire, the two ends of the liner
A binding post indent is provided with, a binding post, two of the heating wire are installed in each binding post indent
Free end is respectively wound around corresponding binding post bottom and is pressed between the bottom of the binding post and the binding post indent;
It is provided with the middle part of the liner in liner groove, the liner groove and metal tube is installed, the two ends difference of the metal tube
Through the liner groove side wall and extend into the inner chamber of the liner;Inscribed pipeline is provided with the inwall of the liner
Stopping means;Be injection molded with overcoat on the outside of the liner, outer wall and the overcoat of the binding post indent melt for
Weld monitor device is provided with one, the overcoat;The technical program is simple in construction, is connected firmly, easy to use, is applicable
In the quick connection of double-layer plastic pipeline.Metal tube can play outer layer pipe conducting effect, play to internal layer pipe leakage
Monitoring, detection effect.
Second technical problem to be solved in the utility model is to provide a kind of double-layer plastic pipeline connection electricity consumption fusion tube
The injection mold of part.
In order to solve the above technical problems, the technical solution of the utility model is:Double-layer plastic pipeline connection electric melting pipe fittings
Injection mold, including liner injection mold and overcoat injection mold;
The liner injection mold include liner solid plate and liner moving platen setting up and down, the liner solid plate and
It is provided with inside bearing strip core assembly between the liner moving platen, the inside bearing strip core assembly and the liner solid plate and described interior
It is provided between lining moving platen and is provided with what is connected with the liner injection die cavities on liner injection die cavities, the liner solid plate
The liner runner connected with the liner injection die cavities is provided with liner hot flow path, the liner hot flow path, the liner is moved
Liner core liftout attachment is installed below template, is provided between the liner core liftout attachment and the liner moving platen
Liner resetting means, is provided with liner matched moulds guider between the liner solid plate and the liner moving platen;
The overcoat injection mold includes overcoat solid plate and overcoat moving platen setting up and down, the overcoat
Overcoat core assembly, the overcoat core assembly and the protection are provided between solid plate and the overcoat moving platen
Layer solid plate and the overcoat moving platen between be provided with overcoat injection die cavities, the overcoat solid plate be provided with
Protection stratotype is installed below the overcoat injection feed module of the overcoat injection die cavities connection, the overcoat moving platen
Core liftout attachment, overcoat resetting means is provided between the overcoat core liftout attachment and the overcoat moving platen,
Overcoat matched moulds guider is installed between the overcoat solid plate and the overcoat moving platen.
As a kind of perferred technical scheme, the top of the liner solid plate is installed with liner cover half pressing plate, institute
Liner hot flow path is stated to sequentially pass through the liner cover half pressing plate and the liner solid plate and connect with the liner injection die cavities;
Two binding post extended into the liner injection die cavities indent types are symmetrically installed with the liner moving platen
Core, the bottom of the liner moving platen is provided with liner support, and the bottom of the liner support is provided with liner support block, described interior
Serve as a contrast to be provided with the top that core liftout attachment is arranged on the liner support block, the liner support block and be easy to operate the inside bearing strip
The liner ejection hole of core liftout attachment;
The inside bearing strip core assembly includes the liner main core with liner form fit, and the liner main core two ends are respectively pacified
Equipped with liner small-sized core, the liner main core groove for being molded liner groove is provided with the liner main core, it is described interior
Lining small-sized core one end reaches the liner main core recess edge, and the other end stretches out from the end of the liner main core, described
The two ends of liner main core are installed with the liner pressing plate being pressed on the liner small-sized core in the liner main core;
The liner core liftout attachment includes liner and ejects backing plate, and the liner ejects and is installed with liner on backing plate
End is installed on liftout plate, the liner liftout plate to extend up through the liner moving platen and be resisted against the liner master
Liner push rod on core;
The liner that the inner lining mould resetting means includes being fixedly mounted on the liner core liftout attachment resets bullet
Liner back-moving spring litter passage, the top of the multiple liner position spring litter are provided with spring litter, the liner moving platen
The liner back-moving spring litter passage is extend into, it is described between the liner core liftout attachment and the liner moving platen
Liner back-moving spring is set with liner back-moving spring litter;
The liner matched moulds guider includes the overcoat guide pillar being fixed on the liner moving platen, described interior
Liner guide pillar pilot hole is provided with lining solid plate, the liner guide pillar is extend into liner guide pillar pilot hole.
As a kind of perferred technical scheme, the top of the overcoat solid plate is installed with overcoat cover half pressure
Plate, overcoat injection feed module sequentially pass through the overcoat cover half pressing plate and the overcoat solid plate and with it is described
Overcoat injection die cavities are connected;
Two binding post extended into the overcoat injection die cavities guarantors are symmetrically installed with the overcoat moving platen
Two monitoring passes extended into the overcoat injection die cavities are symmetrically installed with sheath core, the overcoat moving platen
Core, the top of the monitoring holes core is provided with monitoring post holes, and the bottom of the overcoat moving platen is provided with overcoat support,
The bottom of the overcoat support is provided with overcoat support block, and the overcoat core liftout attachment is arranged on the overcoat mould
It is provided with the top of pin, the overcoat support block and is easy to the overcoat for operating the overcoat core liftout attachment to eject hole;
The overcoat core assembly includes the overcoat main core with overcoat form fit, the overcoat main core
The moving core of liner is molded with including surface, the interior lining of the moving core is wound with heating wire, the two ends of the liner
The binding post being connected with the heating wire is installed, the interior lining is provided with metal tube in the binding post indent of setting;It is described
Overcoat main core two ends are respectively provided with overcoat small-sized core, and the metal tube is withstood in described overcoat small-sized core one end, another
Hold from the end of the main core and stretch out, the two ends of the overcoat main core are installed with the overcoat small-sized core pressure
The tight protection laminate in the overcoat main core;
The overcoat core liftout attachment includes overcoat and ejects fixed installation on backing plate, the overcoat ejection backing plate
Have be provided with overcoat liftout plate, the overcoat liftout plate end extend up through the overcoat moving platen and against
Overcoat push rod in the overcoat main core;
The overcoat that the overcoat resetting means includes being fixedly mounted on the overcoat core liftout attachment resets
Overcoat back-moving spring litter passage is provided with spring litter, the overcoat moving platen, the overcoat back-moving spring is slided
The top of pole extend into the overcoat back-moving spring litter passage, and the overcoat core liftout attachment and the overcoat are moved
Overcoat back-moving spring is set with the overcoat back-moving spring litter between template;
The overcoat matched moulds guider includes the overcoat guide pillar being fixed on the overcoat moving platen, institute
State and overcoat guide pillar pilot hole is provided with overcoat solid plate, the overcoat guide pillar is deep into overcoat guide pillar pilot hole
It is interior;
The overcoat injection feed module includes sprue bush, runner frame and the overcoat hot flow path being sequentially connected, described
Sprue bush passes through the overcoat cover half pressing plate and bottom is connected with the runner frame, and the overcoat injection feed module is also
Protective layer runner including sequentially passing through the sprue bush, the runner frame and the overcoat hot flow path, the protection laminar flow
The port of export in road is connected with the overcoat injection die cavities.
By adopting the above-described technical solution, the injection mold of double-layer plastic pipeline connection electric melting pipe fittings, including liner
Injection mold and overcoat injection mold;The liner injection mold includes liner solid plate and liner dynamic model setting up and down
Plate, is provided with inside bearing strip core assembly, the inside bearing strip core assembly and institute between the liner solid plate and the liner moving platen
State and liner injection die cavities are provided between liner solid plate and the liner moving platen, be provided with and institute on the liner solid plate
State in the liner hot flow path of liner injection die cavities connection, the liner hot flow path and be provided with what is connected with the liner injection die cavities
Liner core liftout attachment is installed below liner runner, the liner moving platen, the liner core liftout attachment with it is described
Liner resetting means is installed between liner moving platen, liner is installed between the liner solid plate and the liner moving platen
Matched moulds guider;The overcoat injection mold includes overcoat solid plate and overcoat moving platen setting up and down, described
Overcoat core assembly, the overcoat core assembly and institute are provided between overcoat solid plate and the overcoat moving platen
State and overcoat injection die cavities are provided between overcoat solid plate and the overcoat moving platen, set on the overcoat solid plate
The overcoat injection feed module connected with the overcoat injection die cavities is equipped with, the overcoat moving platen lower section is provided with anti-
Sheath core liftout attachment, is provided with overcoat reset between the overcoat core liftout attachment and the overcoat moving platen
Device, is provided with overcoat matched moulds guider between the overcoat solid plate and the overcoat moving platen;In first carrying out
Lining injection, then overcoat injection is carried out, two kinds of moulds are used cooperatively, the good product quality of production, high yield rate.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein:
Fig. 1 is the structural representation of the utility model embodiment electric melting pipe fittings;
Fig. 2 is the structural representation of the utility model embodiment liner injection mold;
Fig. 3 is the structural representation of the overcoat injection mold of the utility model embodiment;
In figure:11- liners;12- heating wire;13- heating wire grooves;14- binding posts;15- binding post indents;16- liners are recessed
Groove;21- metal tubes;22- spacing preiection rings;23- limited blocks;31- overcoats;32- binding post protective cases;33- monitoring holes;34-
Monitor post;411- liner injection die cavities;412- liner hot flow paths;421- liner solid plates;422- liner cover half pressing plates;In 423-
Serve as a contrast positioning sleeve;431- liner moving platens;432- binding post indent cores;441- liner supports;442- liner support blocks;443- liners
Eject hole;451- liner main cores;452- liner small-sized cores;453- liner pressing plates;461- liners eject backing plate;462- liners top
Ejecting plate;463- liner push rods;471- liner back-moving spring litter;472- liner back-moving spring litter passages;473- liners reset
Spring;481- liner guide pillars;482- liner guide pillar pilot holes;51- overcoat injection die cavities;521- overcoat solid plates;522-
Overcoat cover half pressing plate;523- overcoat positioning sleeves;531- overcoat moving platens;532- binding post protective case cores;533- is supervised
Gaging hole core;541- overcoat supports;542- overcoat support blocks;543- overcoats eject hole;551- overcoat small-sized cores;
552- protects laminate;553- moving cores;561- overcoats eject backing plate;562- overcoat liftout plates;563- overcoats top
Bar;571- overcoat back-moving spring litter;752- overcoat back-moving spring litter passages;573- overcoat back-moving springs;581-
Overcoat guide pillar;582- overcoat guide pillar pilot holes;591- sprue bush;592- runner framves;593- overcoat hot flow paths.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only by saying
Bright mode describes some one exemplary embodiments of the present utility model.Undoubtedly, one of ordinary skill in the art can be with
Recognize, can be with a variety of modes to described in the case of without departing from spirit and scope of the present utility model
Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim
Scope.
As shown in figure 1, double-layer plastic pipeline connection electric melting pipe fittings, including tubular liner 11, the periphery of the liner 11
It is provided with wall in spiral helicine heating wire groove 13, the heating wire groove 13 and is wound with heating wire 12, the two ends of the liner 11
It is provided with a binding post indent 15, each binding post indent 15 and a binding post 14 is installed, the welder of binding post 14
Diameter 2mm is held, takes inserted mode to insert in liner 11;Two free ends of the heating wire 12 are respectively protruding into corresponding described
The bottom of binding post 14 is simultaneously wrapped in the corresponding bottom of binding post 14 and is compacted the bottom of binding post indent 15 and the binding post 15
Between;The middle part of the liner 11 is provided with liner groove 16, the liner groove 16 and is provided with metal tube 21, the metal
The two ends of pipe 21 are each passed through the side wall of the liner groove 16 and extend into the inner chamber of the liner 11;The liner 11
Inscribed pipeline stopping means is provided with inwall, the inscribed pipeline stopping means includes being arranged in the middle of the inwall of liner 11
It is symmetrical arranged on the spacing preiection ring 22 spacing for inner tube, the inwall of the liner 11 of the both sides of spacing preiection ring 22
There is the limited block 23 for spacing outer tube;
The outside of the liner 11 is injection molded with overcoat 31, outer wall and the overcoat of the binding post indent 15
31 are combined together, and binding post protective case 32 is provided with the overcoat 31.Weld monitor dress is provided with the overcoat 31
Put, the weld monitor device includes being provided with monitoring in the monitoring holes 33 being arranged on the overcoat, the monitoring holes 33
Post 34.
The technical program is simple in construction, is connected firmly, easy to use, it is adaptable to the quick connection of double-layer plastic pipeline.Should
Weld electric melting pipe fittings effectively can carry out composite joint to double-skin duct, that is, improve joint efficiency, cost-effective, while in
Between the metal tube 21 that is inserted with can play outer layer pipe conducting effect, play the monitoring to internal layer pipe leakage, detection effect.It is main
To be applied to oil, oil gas, chemical industry and other chemical fields needs to connect double-layer compound pipeline, with antiseep and inner tube
The function of road monitoring.
The injection mold of double-layer plastic pipeline connection electric melting pipe fittings, including liner injection mold and overcoat injection mould
Tool;As shown in Fig. 2 the liner injection mold includes liner solid plate 421 and liner moving platen 431 setting up and down, it is described
Be provided with inside bearing strip core assembly between liner solid plate 421 and the interior lining moving platen 431, the inside bearing strip core assembly with it is described
It is provided between liner solid plate 421 and the liner moving platen 431 on liner injection die cavities 411, the liner solid plate 421
It is provided with the liner hot flow path 412 connected with the liner injection die cavities 411, the liner hot flow path 412 and is provided with and institute
The liner runner of the connection of liner injection die cavities 411 is stated, the charging aperture of liner runner is spot pouring mouth;Under the liner moving platen 431
Side is provided with liner core liftout attachment, is provided between the liner core liftout attachment and the liner moving platen 431 interior
Resetting means is served as a contrast, liner matched moulds guider is installed between the liner solid plate 421 and the liner moving platen 431;
Specifically, it is interior as shown in Fig. 2 the top of the liner solid plate 421 is installed with liner cover half pressing plate 422
The top of lining cover half pressing plate 422 is provided with liner positioning sleeve 423, and the liner hot flow path 412 sequentially passes through liner positioning sleeve
423rd, the liner cover half pressing plate 422 and the liner solid plate 421 and connected with the liner injection die cavities 411;In described
The two binding post indent extended into the liner injection die cavities 411 cores 432, institute are symmetrically installed with lining moving platen 431
The bottom for stating liner moving platen 431 is provided with liner support 441, and the bottom of the liner support 441 is provided with liner support block
442, the liner core liftout attachment is arranged on the top of the liner support block 442, the liner support block 442 and is provided with just
Hole 443 is ejected in operating the liner of the liner core liftout attachment;The inside bearing strip core assembly includes and the shape of liner 11
The liner main core 451 matched somebody with somebody, the two ends of the liner main core 451 are provided with liner small-sized core 452, the liner small-sized core
452 one end reach the edge of liner main core groove 16, and the other end stretches out from the end of the liner main core 451, the liner
The two ends of main core 451 are installed with the liner pressure being pressed on the liner small-sized core 452 in the liner main core 451
Plate 453;The liner core liftout attachment includes liner and ejects backing plate 461, and the liner is ejected to be installed with backing plate 461
End is installed on liner liftout plate 462, the liner liftout plate 462 to extend up through the liner dynamic model body and be resisted against
Liner push rod 463 in the liner main core 451;The liner resetting means includes being fixedly mounted on the liner core top
Liner back-moving spring litter passage is provided with the liner back-moving spring litter 471 gone out on device, the liner moving platen 431
472, the top of the liner back-moving spring litter 471 is stretched into the liner back-moving spring litter passage 472, the inside bearing strip
Liner is set with the liner back-moving spring litter 471 between core liftout attachment and the liner moving platen 431 and resets bullet
Spring 473;The liner matched moulds guider includes the guide pillar 481 being fixedly mounted on the liner moving platen 431, the liner
Liner guide pillar pilot hole 482 is provided with solid plate 421, the top of the liner guide pillar 481 is stretched into the liner guide pillar and is oriented to
In hole 482.Liner main core 451 is moving core 553, it is possible to achieve rapid_replacing core after shaping, so as to realize quickly, even
Continuous, steady production.
Complete after injection, by the liner small-sized core 452 for being molded the related assembling of liner 11 and the liner master of liner pressing plate 453
Core 451 takes out in the lump.This light structure, liner main core 451 is moving core 553, liner small-sized core 452 and liner principal mode
Core 451 is dismantled flexible, conveniently, is more beneficial for stabilization, quick production.
As shown in figure 3, the overcoat injection mold is dynamic including overcoat solid plate 521 and overcoat setting up and down
Template 531, is provided with overcoat core assembly between the overcoat solid plate 521 and the overcoat moving platen 531, described
Overcoat note is provided between overcoat core assembly and the overcoat solid plate 5211 and the overcoat moving platen 531
Be provided with plastotype chamber 51, the overcoat solid plate 521 overcoat connected with the overcoat injection die cavities 51 be molded into
Expect module, the lower section of overcoat moving platen 531 is provided with overcoat core liftout attachment, the overcoat core liftout attachment
Overcoat resetting means, the overcoat solid plate 521 and the overcoat are installed between the overcoat moving platen 531
Overcoat matched moulds guider is installed between moving platen 531.
Specifically, as shown in figure 3, the top of the overcoat solid plate 521 is installed with overcoat cover half pressing plate
522, the top of the overcoat cover half pressing plate 522 is provided with overcoat positioning sleeve 523, the overcoat injection feed module according to
It is secondary through the overcoat positioning sleeve 523, the overcoat cover half pressing plate 522 and the overcoat solid plate 521 and with it is described
Overcoat injection die cavities 51 are connected;
Be symmetrically installed with the overcoat moving platen 531 two extend into the overcoat injection die cavities 51 connect
Two are symmetrically installed with terminal protective case core 532, the overcoat moving platen 531 into the overcoat injection die cavities 51
The monitoring holes core 533 of extension, the top of the monitoring holes core 533 is provided with monitoring post 34 hole, the overcoat moving platen
531 bottom is provided with overcoat support 541, and the bottom of the overcoat support 541 is provided with overcoat support block 542, described
Overcoat core liftout attachment, which is arranged on to be provided with the top of the overcoat support block 542, the overcoat support block 542, to be easy to
The overcoat of the overcoat core liftout attachment is operated to eject hole 543;
The overcoat core assembly includes the overcoat main core with the form fit of overcoat 31, the overcoat principal mode
Two ends are provided with overcoat small-sized core 551 on core, and metal tube 21 is withstood in described overcoat small-sized core one end, and the other end is prevented from described
The end of sheath main core is stretched out, and the two ends of the overcoat main core, which are installed with, presses the overcoat small-sized core 551
The tight protection laminate 552 in the overcoat main core;The overcoat main core is molded with liner 11 including surface
Moving core 553, moving core 553 is to be wound with electric heating on liner main core 451, the liner 11 of the moving core 553
The binding post 14 being connected with the heating wire 12 is installed in silk 12, the binding post indent 15 of the two ends setting of the liner 11,
Metal tube 21 is installed on the liner 11;
The overcoat core liftout attachment includes overcoat and ejected on backing plate 561, the overcoat ejection backing plate 561 admittedly
Dingan County is equipped with overcoat liftout plate 562, and being provided with end on the overcoat liftout plate 562 extends up through the overcoat
Moving platen 531 and the overcoat push rod 563 being resisted against in the overcoat main core;
The overcoat that the overcoat resetting means includes being fixedly mounted on the overcoat core liftout attachment resets
Overcoat back-moving spring litter passage 572 is provided with spring litter 571, the overcoat moving platen 531, the overcoat is answered
The top of position spring litter 571 is stretched into the overcoat back-moving spring litter passage 572, the overcoat resetting means and institute
State and be set with overcoat back-moving spring 573 on the overcoat back-moving spring litter 571 between the 531 of overcoat moving platen;
The overcoat matched moulds guider includes the overcoat guide pillar being fixedly mounted on the overcoat moving platen 531
581, overcoat guide pillar pilot hole 582 is provided with the overcoat solid plate 521, and the top of the overcoat guide pillar 581 is stretched
Enter in the overcoat guide pillar pilot hole 582;
The overcoat injection feed module includes sprue bush 591, runner frame 592 and the overcoat hot flow path being sequentially connected
593, the sprue bush 591 sequentially pass through the overcoat positioning sleeve 523 and the overcoat cover half pressing plate 522 and bottom with
The runner frame 592 is connected, and the overcoat injection feed module also includes sequentially passing through the sprue bush 591, the runner
The protective layer runner of frame 592 and the overcoat hot flow path 593, the charging aperture of protective layer runner is also spot pouring mouth;The protection
The port of export in laminar flow road is connected with the overcoat injection die cavities 51.
First carry out liner 11 to be molded, then carry out overcoat 31 to be molded, two kinds of moulds are used cooperatively, the product quality of production
It is good, high yield rate.The mould structure ensures to be accurately positioned liner 11, metal tube 21 in injection moulding process, is product quality
Improve and the raising of production efficiency provides guarantee.
Binding post 14 is wrapped in by the upper heating wire 12 of core winding of liner injection molded, by the two ends of heating wire 12
On, and binding post 14 is pressed into binding post groove 15, install metal tube 21;The overcoat core assembly installed, in liner
Overcoat small-sized core 551 is installed in main core 451, overcoat small-sized core 551 is inserted in protection laminate 552, bolt is used
Protection pressing plate is fastened in liner main core 451, overcoat injection die cavities 51 are put into, slide bar is oriented to by overcoat matched moulds
581 guiding, matched moulds, injection complete overcoat 31 and produced.
It is superimposed by core, small-sized core positioning through hole pipe fitting is taken out using side, oriented side is taken out on moving core using pressing plate
The mode of small-sized core, eliminates the pipe fitting displacement influence of high pressure belt.
The material therefor of liner 11 is polyethylene and polyethylene-polyethylene alcohol composite or polyethylene-polyethylene alcohol
(EVOH) material, polyethylene-nylon composite or PET material.The material therefor of overcoat 31 is 80 grades of poly- second of PE 100 or PE
Alkene material.Heating wire 12 is constantan heating wire 12 or nichrome heating wire 12.Metal tube 21 is chromium-plated brass pipe or stainless steel
Pipe, metal tube 21 Φ 3.8mm- Φ 4mm, wall thickness 0.4-0.5mm, in two protruding ends formation communicating passage.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (7)
1. double-layer plastic pipeline connection electric melting pipe fittings, including tubular liner, it is characterised in that:Set on the periphery wall of the liner
It is equipped with spiral helicine heating wire groove, the heating wire groove and is wound with heating wire, the two ends of the liner is provided with one and connect
A binding post is installed in terminal indent, each binding post indent, two free ends of the heating wire are wound respectively
In corresponding binding post bottom and it is pressed between the bottom of the binding post and the binding post indent;The middle part of the liner
It is provided with liner groove, the liner groove and metal tube is installed, it is recessed that the two ends of the metal tube are each passed through the liner
The side wall of groove is simultaneously extend into the inner chamber of the liner;Inscribed pipeline stopping means is provided with the inwall of the liner;
Overcoat is injection molded with the outside of the liner, outer wall and the overcoat of the binding post indent combine together,
Weld monitor device is provided with the overcoat.
2. double-layer plastic pipeline connection electric melting pipe fittings as claimed in claim 1, it is characterised in that:Set on the overcoat
There is binding post protective case.
3. double-layer plastic pipeline connection electric melting pipe fittings as claimed in claim 1, it is characterised in that:The weld monitor device
Including the monitoring holes being arranged on the overcoat, monitoring post is provided with the monitoring holes.
4. double-layer plastic pipeline connection electric melting pipe fittings as claimed in claim 1, it is characterised in that:The inscribed pipeline is spacing
Device, which includes being arranged on, is used for the spacing spacing preiection ring of inner tube in the middle of the liner inwall, the spacing preiection ring both sides
The limited block for spacing outer tube is symmetrically arranged with the liner inwall.
5. the injection mold of double-layer plastic pipeline connection electric melting pipe fittings, it is characterised in that:Including liner injection mold and protection
Layer injection mold;
The liner injection mold includes liner solid plate and liner moving platen setting up and down, the liner solid plate and described
Inside bearing strip core assembly is provided between liner moving platen, the inside bearing strip core assembly and the liner solid plate and the liner are dynamic
It is provided between template on liner injection die cavities, the liner solid plate and is provided with the liner connected with the liner injection die cavities
The liner runner connected with the liner injection die cavities, the liner moving platen are provided with hot flow path, the liner hot flow path
Lower section is provided with liner core liftout attachment, and liner is provided between the liner core liftout attachment and the liner moving platen
Resetting means, is provided with liner matched moulds guider between the liner solid plate and the liner moving platen;
The overcoat injection mold includes overcoat solid plate and overcoat moving platen setting up and down, the overcoat cover half
Overcoat core assembly is provided between plate and the overcoat moving platen, the overcoat core assembly is determined with the overcoat
Be provided between template and the overcoat moving platen on overcoat injection die cavities, the overcoat solid plate be provided with it is described
Overcoat core top is installed below the overcoat injection feed module of overcoat injection die cavities connection, the overcoat moving platen
Go out device, overcoat resetting means is installed between the overcoat core liftout attachment and the overcoat moving platen, it is described
Overcoat matched moulds guider is installed between overcoat solid plate and the overcoat moving platen.
6. the injection mold of double-layer plastic pipeline connection electric melting pipe fittings as claimed in claim 5, it is characterised in that:In described
The top of lining solid plate is installed with liner cover half pressing plate, the liner hot flow path sequentially pass through the liner cover half pressing plate and
The liner solid plate is simultaneously connected with the liner injection die cavities;
Two binding post extended into the liner injection die cavities indent cores, institute are symmetrically installed with the liner moving platen
The bottom for stating liner moving platen is provided with liner support, and the bottom of the liner support is provided with liner support block, the inside bearing strip
Core liftout attachment, which is arranged on to be provided with the top of the liner support block, the liner support block, to be easy to operate the liner core top
Go out the liner ejection hole of device;
The inside bearing strip core assembly includes the liner main core with liner form fit, and the liner main core two ends are respectively provided with
The liner main core groove for being molded liner groove is provided with liner small-sized core, the liner main core, the liner is small
Core one end reaches the liner main core recess edge, and the other end stretches out from the end of the liner main core, the liner
The two ends of main core are installed with the liner pressing plate being pressed on the liner small-sized core in the liner main core;
The liner core liftout attachment includes liner and ejects backing plate, and the liner, which is ejected, is installed with liner ejection on backing plate
End is installed on plate, the liner liftout plate to extend up through the liner moving platen and be resisted against the liner main core
On liner push rod;
The liner back-moving spring that the inner lining mould resetting means includes being fixedly mounted on the liner core liftout attachment is slided
Liner back-moving spring litter passage is provided with pole, the liner moving platen, the top of the liner back-moving spring litter is stretched into
To the liner back-moving spring litter passage, the liner between the liner core liftout attachment and the liner moving platen
Liner back-moving spring is set with back-moving spring litter;
The liner matched moulds guider includes the liner guide pillar being fixed on the liner moving platen, the liner cover half
Liner guide pillar pilot hole is provided with plate, the liner guide pillar is deep into liner guide pillar pilot hole.
7. the injection mold of double-layer plastic pipeline connection electric melting pipe fittings as claimed in claim 5, it is characterised in that:It is described anti-
The top of sheath solid plate is installed with overcoat cover half pressing plate, and the overcoat injection feed module sequentially passes through described anti-
Sheath cover half pressing plate and the overcoat solid plate are simultaneously connected with the overcoat injection die cavities;
Two binding post protective cases extended into the overcoat injection die cavities are symmetrically installed with the overcoat moving platen
Two monitoring holes cores extended into the overcoat injection die cavities are symmetrically installed with core, the overcoat moving platen,
The top of the monitoring holes core is provided with monitoring post holes, and the bottom of the overcoat moving platen is provided with overcoat support, institute
The bottom for stating overcoat support is provided with overcoat support block, and the overcoat core liftout attachment is arranged on the overcoat support block
Top, be provided with the overcoat support block and be easy to the overcoat for operating the overcoat core liftout attachment to eject hole;
The overcoat core assembly includes the overcoat main core with overcoat form fit, and the overcoat main core includes
Surface is molded with the moving core of liner, and the interior lining of the moving core is wound with heating wire, and the two ends of the liner are set
Binding post indent in the binding post being connected with the heating wire is installed, the interior lining is provided with metal tube;The protection
The two ends of layer main core are respectively provided with overcoat small-sized core, and the metal tube, the other end are withstood in described overcoat small-sized core one end
Stretched out from the end of overcoat main core, the two ends of the overcoat main core are installed with the overcoat small-sized core pressure
The tight protection laminate in the overcoat main core;
The overcoat core liftout attachment include overcoat eject be installed with backing plate, overcoat ejection backing plate it is anti-
End is installed on sheath liftout plate, the overcoat liftout plate to extend up through the overcoat moving platen and be resisted against institute
State the overcoat push rod in overcoat main core;
The overcoat resetting means includes the overcoat back-moving spring being fixedly mounted on the overcoat core liftout attachment
Overcoat back-moving spring litter passage is provided with litter, the overcoat moving platen, the overcoat back-moving spring litter
Top extend into the overcoat back-moving spring litter passage, the overcoat core liftout attachment and the overcoat moving platen
Between the overcoat back-moving spring litter on be set with overcoat back-moving spring;
The overcoat matched moulds guider includes the overcoat guide pillar being fixed on the overcoat moving platen, described anti-
Overcoat guide pillar pilot hole is provided with sheath solid plate, the overcoat guide pillar is deep into the overcoat guide pillar pilot hole
It is interior;
The overcoat injection feed module includes sprue bush, runner frame and the overcoat hot flow path being sequentially connected, the cast gate
Set is connected through the overcoat cover half pressing plate and bottom with the runner frame, and the overcoat, which is molded feed module, also to be included
The overcoat runner of the sprue bush, the runner frame and the overcoat hot flow path is sequentially passed through, the overcoat runner
The port of export is connected with the overcoat injection die cavities.
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CN201720069715.1U CN206484912U (en) | 2017-01-20 | 2017-01-20 | Double-layer plastic pipeline connection electric melting pipe fittings and its injection mold |
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CN201720069715.1U CN206484912U (en) | 2017-01-20 | 2017-01-20 | Double-layer plastic pipeline connection electric melting pipe fittings and its injection mold |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108995133A (en) * | 2018-07-19 | 2018-12-14 | 福建祥云科创新型管业科技有限公司 | A kind of hot melt peep hole production technology |
CN112873712A (en) * | 2021-01-14 | 2021-06-01 | 重庆西洲管业有限公司 | Preparation method of antibacterial capacitor tube |
-
2017
- 2017-01-20 CN CN201720069715.1U patent/CN206484912U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108995133A (en) * | 2018-07-19 | 2018-12-14 | 福建祥云科创新型管业科技有限公司 | A kind of hot melt peep hole production technology |
CN112873712A (en) * | 2021-01-14 | 2021-06-01 | 重庆西洲管业有限公司 | Preparation method of antibacterial capacitor tube |
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