A kind of power cable sheath tube extrusion molding deviceTechnical field
The utility model is related to protecting pipe production equipment technologies more particularly to a kind of power cable sheath pipe to be extruded intoType device.
Background technology
Extrusion molding is also known as extrusion moulding in plastic processing, refers to that material passes through the work between extruder barrel and screw rodWith while by thermoplastification, while being pushed forward by screw rod, the one kind for continuing through head and various cross section articles or semi-products being made addsWork method；Extrusion molding is mainly for the production of the continuous section bar with certain cross section, such as film, piece, plate, hard tube, hose, waveLine pipe, profile shapes, silk, cable, strap, stick, net and composite membrane etc.；Also it can be repeated cyclically production blow moulded part parison, such asThe hollow containers such as bottle, bucket；Extrusion molding is since variation is more, purposes is wide, production efficiency is high, small investment, produces the advantages that continuous for itAs one of the basic forming method of Polymer Processing industry, polymer product about 40% is extruded by extrusion machine-shapingType plays very important effect in Polymer Processing；
However in the prior art, during carrying out extrusion molding to plastic tube, since material can not fully meltAnd barrel clogging is caused, the extrusion molding quality of product is influenced, is made troubles to production, working efficiency is reduced.
Utility model content
The utility model can not fully melt and the phenomenon that results in blockage for material in the prior art, influence squeezing for productThe problem of going out Forming Quality, reducing production efficiency, the utility model provide a kind of power cable sheath tube extrusion molding device, behaviourMake it is simple, easy to use, can by spring coordinate movable block so that material pressure is increased, to allow material fully to melt,It prevents from resulting in blockage in process of production, and then improves production efficiency and the quality of extrusion molding；
Technical solution used by the utility model is：
A kind of power cable sheath tube extrusion molding device, including feedboard, barrel and driving motor, inside the barrelIt is provided with screw rod, the screw rod end is connected with driven wheel, and the driven wheel is connected with driving wheel, the active by conveyer beltWheel is connected with driving motor, is provided with the feedboard above the barrel, is provided with to material on the barrel outer wallThe heating tube heated, the barrel end are connected with installation set, and the installation set is internally provided with movable block, the movementBlock is connected with the barrel end, and the installation set is internally provided with spring, and the spring is connected with the movable block, instituteStating installation set end set has mouth mold, the mouth mold to be internally provided with core model, is hollow cavity structure inside the core model, describedLocating piece is provided in mouth mold, the locating piece is attached by the way that the lock-screw in the mouth mold is arranged, the positioningBlock is connected with the core model, and the mouth mold end is connected with cooling body；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the cooling body includes outer tube and interiorIt manages, is provided with spiral groove on the outer tube wall, spiral groove, said inner tube are provided on said inner tube outer wallA spiral circulation duct is formed with the outer tube, water inlet pipe and outlet pipe are installed on the outer wall of the outer tube；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, described movable block one end is cone structure,Multiple apertures of the oriented movable block end connection are opened up on cone structure outer wall；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the driving motor is servo motor；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the conveyer belt is V-type band, V-ribbed beltOr chain；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the barrel front end is provided with end cap, instituteScrew rod is stated to be mounted in the end cap by bearing；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the feedboard is leakage wide at the top and narrow at the bottomBucket-shaped structure；
When using above structure：Material is launched into the feedboard, the driving motor, the driving motor are startedThe driving wheel is driven to rotate, the driving wheel drives the driven wheel to rotate by the conveyer belt, and the driven wheel drivesScrew rod rotation in the barrel, makes material be moved along barrel axial direction extruding, is mounted on describedThe heating tube of barrel outer surface can heat material, and material is made to melt, and the screw drive material moves forward,Due to being provided with the movable block in the end of the barrel, the movable block pastes under the action of the spring with the barrelIt closes so that material generates certain resistance, and the material internal pressure of the barrel end gradually increases, and coordinates the heating tube canSo that material is fully melted, when pressure increases to certain value, the spring is made to shrink, the movable block and the materialCylinder generates separation, and material enters the installation set inner cavity from the aperture on the movable block, and material passes through the installation setInner cavity after, from the outlet of the installation set enter the mouth mold inside, so that casing is molded by the mouth mold and the core model,Casing after molding is cooled down by the cooling body, completes forming process；
The beneficial effects of the utility model are：
The utility model is easy to operate, easy to use, can coordinate movable block that material pressure is made to increase by spring, toSo that material is fully melted, prevent from resulting in blockage in process of production, so that product quality production is stablized, greatly improve lifeProduce efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodimentOr attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is onlyIt is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative laborUnder, other drawings may also be obtained based on these drawings；
Fig. 1 is a kind of sectional view of power cable sheath tube extrusion molding device described in the utility model；
Fig. 2 is a kind of structural representation of the movable block of power cable sheath tube extrusion molding device described in the utility modelFigure；
Fig. 3 is a kind of section view of the cooling body of power cable sheath tube extrusion molding device described in the utility modelFigure；
The reference numerals are as follows：
1, barrel；2, feedboard；3, screw rod；4, end cap；5, driven wheel；6, conveyer belt；7, driving wheel；8, driving motor；9, heating tube；10, installation set；11, movable block；12, aperture；13, spring；14, mouth mold；15, core model；16, locating piece；17, it locksTight screw；18, cooling body；19, outer tube；20, inner tube；21, circulation duct；22, water inlet pipe；23, outlet pipe.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearerScheme is described in detail；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than allEmbodiment；Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative workObtained all other embodiment is put, the range that the utility model is protected is belonged to；
As shown in Figs. 1-3, the utility model provides a kind of power cable sheath tube extrusion molding device, including feedboard2, barrel 1 and driving motor 8, the barrel 1 are internally provided with screw rod 3, and 3 end of the screw rod is connected with driven wheel 5, it is described fromDriving wheel 5 is connected with driving wheel 7 by conveyer belt 6, and the driving wheel 7 is connected with driving motor 8, and 1 top of the barrel is provided withThe feedboard 2, the heating tube 9 to be heated to material is provided on 1 outer wall of the barrel, and 1 end of the barrel connectsIt is connected to installation set 10, the installation set 10 is internally provided with movable block 11, and the movable block 11 is connected with 1 end of the barrelIt connects, the installation set 10 is internally provided with spring 13, and the spring 13 is connected with the movable block 11,10 end of the installation setPortion is provided with mouth mold 14, and the mouth mold 14 is internally provided with core model 15, and 15 inside of the core model is hollow cavity structure, the mouthLocating piece 16 is provided on mould 14, the locating piece 16 is attached by the lock-screw 17 being arranged in the mouth mold 14,The locating piece 16 is connected with the core model 15, and 14 end of the mouth mold is connected with cooling body 18；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the cooling body 18 includes outer tube 19With inner tube 20, spiral groove is provided on 19 inner wall of the outer tube, is provided on 20 outer wall of said inner tube spiral recessedSlot, said inner tube 20 form a spiral circulation duct 21 with 19 inside of the outer tube, pacify on the outer wall of the outer tube 19Equipped with water inlet pipe 22 and outlet pipe 23, when flow is injected the water inlet pipe 22, flow is by the circulation duct 21 from instituteThe discharge of outlet pipe 23 is stated, the circulation duct 21 is spiral shape, and flow can be made to generate flowing, cooled down to product, is shortenedThe molding time improves working efficiency；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, 11 one end of the movable block is cone knotStructure opens up multiple apertures 12 of oriented 11 end of movable block connection on cone structure outer wall, can using these apertures 12With after the movement of the movable block 11, material enters from the aperture 12 inside the mouth mold 14, realizes the flowing of material；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the driving motor 8 is servo motor,The automatic operating that the extrusion molding apparatus may be implemented reduces the workload of operating personnel；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the conveyer belt 6 is V-type band, V-ribbed beltOr chain, it is advantageously implemented the transmission of power；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, 1 front end of the barrel is provided with end cap 4,The screw rod 3 is mounted on by bearing in the end cap 4, and the end cap 4, which is arranged, to prevent material from flowing backwards, can also be to describedScrew rod 3 plays the role of fixed；
Optimization, a kind of above-mentioned power cable sheath tube extrusion molding device, the feedboard 2 is leakage wide at the top and narrow at the bottomBucket-shaped structure can quickly put into material inside the feedboard 2, improve working efficiency；
When using above structure：Material is launched into the feedboard 2, the driving motor 8, the driving electricity are startedMachine 8 drives the driving wheel 7 to rotate, and the driving wheel 7 drives the driven wheel 5 to rotate by the conveyer belt 6, described drivenWheel 5 drives the screw rod 3 being mounted in the barrel 1 to rotate, and material is made to be moved along the extruding of 1 axial direction of the barrel,The heating tube 9 mounted on 1 outer surface of the barrel can heat material, and material is made to melt, and the screw rod 3 drivesMaterial moves forward, and due to being provided with the movable block 11 in the end of the barrel 1, the movable block 11 is in the spring 13Under the action of be bonded with the barrel 1 so that material generates certain resistance, and the material internal pressure of 1 end of the barrel is gradualIncrease, coordinates the heating tube 9 material can be made fully to be melted, when pressure increases to certain value, make the spring 13It shrinks, the movable block 11 is detached with the generation of the barrel 1, and material enters from the aperture 12 on the movable block 1110 inner cavity of the installation set behind inner cavity of the material by the installation set 10, enters the mouth from the outlet of the installation set 10Inside mould 14, casing is set to be molded by the mouth mold 14 and the core model 15, casing after molding passes through the cooling body 18It is cooled down, completes forming process；
It the advantage is that：
The utility model is easy to operate, easy to use, can coordinate movable block 11 that material pressure is made to increase by spring 13,It to allow material fully to melt, prevents from resulting in blockage in process of production, so that product quality production is stablized, greatly improveProduction efficiency；
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited toIn this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variationOr replace, it should be covered within the scope of the utility model；Therefore, the scope of protection of the utility model should be with the powerSubject to the protection domain that profit requires.