CN207327550U - A kind of cable jacket cross-head system - Google Patents
A kind of cable jacket cross-head system Download PDFInfo
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- CN207327550U CN207327550U CN201721111145.4U CN201721111145U CN207327550U CN 207327550 U CN207327550 U CN 207327550U CN 201721111145 U CN201721111145 U CN 201721111145U CN 207327550 U CN207327550 U CN 207327550U
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- head
- mold
- deflector
- mould
- preceding mould
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Abstract
The utility model discloses a kind of cable jacket cross-head system, including head leading portion, head stage casing and head back segment, head back segment is equipped with die cavity, deflector and die holder are equipped with die cavity, this cable jacket cross-head system further includes discrete Integral mold, discrete Integral mold includes preceding mould and rear mold, preceding mould and rear mold are rotary body and are coaxially disposed in the discrete Integral mold installation cavity of deflector and die holder, preceding mould and rear mold are bonded with discrete Integral mold installation cavity wall, preceding mould center is equipped with formed product chamber, preceding mould, the front and rear mould spacer of annular is equipped between rear mold.The utility model can make shaped article have more preferably stability, and structure is relatively easy, and handling, adjustment are more convenient.
Description
Technical field
A kind of rubber and plastic extrusion equipment is the utility model is related to, more specifically, it relates to a kind of cable jacket extruder machine
Head system.
Background technology
The lasting propulsion of " broadband China " strategy is benefited from, policy driving operator networking dynamics of investment increases, " a band one
Road " implementation, and digital the Silk Road accelerate to go to sea the appearance of policy, and communications optical cable sheath product demand is with about 20% or so
Year amplification continue the situation of steady-state growth.Oversheath as last procedure of communications optical cable sheath production was molded
Essential process equipment is cross-head system in journey, and every extruder is equipped with 1 set or 2 sets or even covers head more
System, structure type also tend to variation, each communications optical cable sheath manufacturing enterprise in daily production and living increasingly from
Outstanding head system is not opened and brings convenient, and this convenience also makes competition become each one big power of enterprise；Enterprise is all opening
Hair or the more convenient, adjustment time of Entrust research dismounting it is less or without adjustment, be molded more stable extruder head system and
Matching die；This is also related to that manufacturer realizes and makes a profit and the competitiveness in market, thus when becoming practitioner's innovation urgently
The factor that need to be considered；Conventional cable jacket oversheath cross-head system and the structure of mould mainly include a head sheet
Body, a temperature control package assembly, a mixing flow-guiding structure body, external mold installation positioning chamber, an internal model plug, are equipped with necessary
Internal model and external mold, there are head is bigger, energy consumption is high, mould is relatively large in head, optical cable shield for the head system of this structure
Cover oversheath shaping and rely on minimum 4 set screws, and the defects of adjusting, inconvenient etc..Publication No.
The invention of CN104494100B disclosed a kind of extruder head on 2 15th, 2017, including external mold, mouth mold, core, plug,
Connecting cylinder and mesh plate.External mold is equipped with open cavity.Core is contained in open cavity, formed with melting material between core and external mold
Runner.Mesh plate is fixed between the inner wall of connecting cylinder.Core one end is fixedly connected with mesh plate, and the core other end is consolidated with plug
Fixed connection.Core one end of extruder head of the present invention is directly fixedly connected with mesh plate, and the core other end is fixedly connected with plug,
Compared with the prior art that spreader is fixed on external mold by some supporting ribs, do not have in the melting material runner between core and external mold
There is supporting rib, this is avoided that melting material in extrusion, and melting material is uneven and caused by shows because of the stop of supporting rib by during melting material runner
As being not in cause extruding pipe material to produce line trace phenomenon because melting material is uneven, will not cause to be easy to showing for cracking because of line trace
As, therefore the tubing of extruder head of the present invention extrusion does not have line trace, apparent good and not easy to crack.But the invention is also and the prior art
Plug is equally provided with, adds structural complexity and assembling, the difficulty of adjusting.
Utility model content
In the prior art, when cable jacket oversheath is extruded, since structure is relative complex, head is bigger than normal, easily tears open
The problems such as ETL estimated time of loading is long, sheath is molded and eccentricity control depends on the real-time adjusting in production operation, to overcome these defects, this
Utility model provides that a kind of energy consumption is low, structure is relatively easy, easy to loading and unloading, the molding cable jacket cross-head of Integral mold
System.
The technical solution of the utility model is：A kind of cable jacket cross-head system, including in head leading portion, head
Section and head back segment, head back segment are equipped with die cavity, deflector and die holder, this cable jacket cross-head system are equipped with die cavity
System further includes discrete Integral mold, and discrete Integral mold includes preceding mould and rear mold, and preceding mould and rear mold are rotary body and coaxially set
It is placed in the discrete Integral mold installation cavity of deflector and die holder, preceding mould and rear mold and discrete Integral mold installation cavity wall patch
Close, preceding mould center is equipped with formed product chamber, and the front and rear mould spacer of annular is equipped between preceding mould, rear mold.Preceding mould in the utility model,
Rear mold can ensure installation concentricity by the constraint of discrete Integral mold installation cavity, and front and rear mould spacer makes to protect between preceding mould, rear mold
Hold certain intervals, form uniform annular sizing material circulation road, sizing material can from all directions uniformly, be rapidly introduced into formed product chamber.
This discrete Integral mold ensures to assemble concentricity without the plug in routine techniques, without the sector by being opened on plug
Conduit provides axial sizing material circulation road, therefore can not only simplify structure, when can also effectively strengthen cable jacket product extrusion
The uniformity of plastic thickness.Front and rear mould spacer width can be arranged as required to, and can be increased when sizing material is extruded according to the width of spacer
Subtract the internal pressure for adjusting and making extruder and head, sizing material extrusion is stablized, uniformly by adjusting pressure.
Preferably, deflector and die holder one end are equipped with stationary gland, the discrete Integral mold is located at deflector
And die holder is enclosed in the region formed with stationary gland, preceding one end face of mould is abutted with the inner face of stationary gland.Stationary gland
, can be right after discrete Integral mold loads discrete Integral mold installation cavity for closing the openend of discrete Integral mold installation cavity
The outer end of discrete Integral mold carries out axially position.
Preferably, the discrete Integral mold installation cavity is the rotary body cavity that shaft section is in convex shape, described point
Vertical Integral mold is located in cavity larger in rotary body cavity, and with large and small two cavity engaging portions in rotary body cavity
The terrace of ledge structure abuts.Small cavity passes through hole, two cavity intersection shapes of size as uncoated oversheath cable
Into step be used for positioning the inner of discrete Integral mold, so as to by head back segment deflector and head stage casing
When sizing material flows into, the sizing material circulation road flowed between position and forward and backward mould forms fixed position relationship, forms the thing at no dead angle
Expect passage.
Preferably, being contacted between preceding mould, rear mold by symmetrically arranged front and rear mould positioning pin, front and rear mould positioning pin is with before
Mould, the axis of rear mold are parallel and run through front and rear mould spacer.Mould and rear mold are opposite in use before front and rear mould positioning pin can make
Fix and realize integrated on the whole, it is ensured that sizing material external form after mould is extruded is opposite to be cured, and is so extruded in cable outer sheath
Afterwards in the exterior cable outer sheath uniform distribution formed of optical cable cable.
Preferably, preceding mould is equipped with the concave cone face of indent, rear mold is equipped with the convex cone face of evagination, concave cone face and convex cone face
Adaptation is chimeric, and peviform gap is equipped between concave cone face and convex cone face.During the extrusion molding of cable jacket, the convex cone of rear mold
Face can prevent sizing material from forming feed back waste in extrusion, and the concave cone face of preceding mould is beneficial to sizing material and is flowed along peviform clearance channel,
Sizing material extrusion nature passage is integrally formed in this discrete Integral mold, and one side material is very short in the time of head internal stops, separately
One side material machine-shaping speed is than traditional head faster.
Preferably, deflector and die holder are equipped with deflector positioning pin, deflector positioning pin extends radially through machine
The die cavity wall of head back segment die cavity.Fixed pin effect is to realize head back segment deflector interface area and head stage casing material interface area
Position after correspondence is fixed.
Preferably, stationary gland is threadedly coupled with deflector and die holder.Screw connection structure it is relatively easy compact and
It is easy to process, it is convenient for disassembly and assembly, rapid.
Preferably, head back segment outer circumferential surface is equipped with arc electric heating sheets, arc electric heating sheets heat for water cooling aluminum
Piece.Inside the heating plate there are current lead to must be needed for water stream channel gap, so as to prevent plastics warm temperature
It is excessive to form the drawbacks such as burnt material, caking.
The beneficial effects of the utility model are：
With good formed product stability.The utility model employs annular sizing material circulation road, and sizing material can be from each side
To uniformly, be rapidly introduced into formed product chamber, the axial sizing material stream provided relative to fan-shaped conduit on plug in the prior art
For passage, the uniformity of plastic thickness when can better ensure that cable jacket product extrusion, so that shaped article has more
Good stability.
Structure is relatively easy, and handling, adjustment are more convenient.The cooperation of discrete Integral mold and head back segment in the utility model
The optimized design of structure, does not depend on traditional mandrel structure and also ensures that assembling concentricity, and the circulation of sizing material, simplify machine
Head overall structure, handling, adjustment are also more easy, and forming quality of products is influenced smaller by operating personnel's technical ability, is more easy to keep
Good forming stability and cosmetic look.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of discrete Integral mold in the utility model；
Fig. 2 is a kind of overall structure diagram of the utility model.
In figure, 1- head leading portions, 2- heads stage casing, 3- head back segments, 4- deflectors and die holder, mould before 5-, 6- rear molds,
Mould spacer before and after 7-, 8- stationary glands, mould positioning pin before and after 9-, 10- deflector positioning pins, 11- die holder fixing bolts.
Embodiment
The utility model is described in further detail for specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
As shown in Figure 1 and Figure 2, a kind of cable jacket cross-head system, including head leading portion 1, head stage casing 2 and machine
Head back segment 3, one section close to extruding machine barrel is also referred to as flange for head leading portion 1, its effect is and extruder host matching
Docking；Head stage casing 2 is machine neck region, its effect is to strengthen the mixing of protective cover material, molding temperature control and pressure monitoring；Machine
Head back segment 3 is mould area, its effect is sizing material water conservancy diversion, installation mold, heating and extrusion moulding.Head back segment 3 is equipped with die cavity,
Be equipped with deflector and die holder 4 in die cavity, the bottom of deflector and die holder 4 be located at die cavity outside and with 3 bottom surface of head back segment patch
Close, the bottom of deflector and die holder 4 is fixed on 3 bottom surface of head back segment by die holder fixing bolt 11.This cable jacket squeezes
Go out machine head system and further include discrete Integral mold, discrete Integral mold includes preceding mould 5 and rear mold 6, and preceding mould 5 and rear mold 6 are
Rotary body and it is coaxially disposed in the discrete Integral mold installation cavity of deflector and die holder 4, preceding mould 5 and rear mold 6 and discrete
Integral mold installation cavity wall fitting, preceding 5 center of mould is equipped with formed product chamber, the front and rear mould of annular is equipped between preceding mould 5, rear mold 6
Spacer 7.Deflector and 4 bottom of die holder are equipped with stationary gland 8, and stationary gland 8 is threadedly coupled with deflector and die holder 4, institute
State discrete Integral mold and be located at deflector and die holder 4 and enclosed with stationary gland 8 in the region formed, the bottom face of preceding mould 5 with
The inner face of stationary gland 8 abuts.Rotary body cavity of the discrete Integral mold installation cavity for shaft section in convex shape, institute
State discrete Integral mold to be located in cavity larger in rotary body cavity, and combined with large and small two cavitys in rotary body cavity
The terrace of the ledge structure in portion abuts.Contacted between preceding mould 5, rear mold 6 by symmetrically arranged front and rear mould positioning pin 9, front and rear mould
Positioning pin 9 is parallel with the axis of preceding mould 5, rear mold 6 and runs through front and rear mould spacer 7.Preceding mould 5 is equipped with the concave cone face of indent, rear mold 6
The convex cone face of evagination is equipped with, concave cone face is chimeric with convex cone face adaptation, and peviform gap is equipped between concave cone face and convex cone face.Flow guiding machine
Structure and die holder 4 are equipped with deflector positioning pin 10, and deflector positioning pin 10 extends radially through the die cavity of 3 die cavity of head back segment
Wall.Head back segment 3 and head leading portion 1, the outer circumferential surface application in head stage casing 2 have arc electric heating sheets and corresponding temperature control device,
Arc electric heating sheets are water cooling aluminum heating plate.
Front and rear mould spacer makes to keep certain intervals between preceding mould, rear mold, forms uniform annular sizing material circulation road, sizing material can
From all directions uniformly, be rapidly introduced into formed product chamber, during the extrusion molding of cable jacket, the convex cone face of rear mold can
Prevent sizing material from forming feed back waste in extrusion, the concave cone face of preceding mould is beneficial to sizing material and is flowed along peviform clearance channel.
Claims (8)
1. a kind of cable jacket cross-head system, including head leading portion（1）, head stage casing（2）With head back segment（3）, machine
Head back segment（3）Equipped with die cavity, deflector and die holder are equipped with die cavity（4）, it is characterized in that discrete Integral mold is further included, it is discrete
Formula Integral mold includes preceding mould（5）And rear mold（6）, preceding mould（5）And rear mold（6）Be rotary body and be coaxially disposed in deflector and
Die holder（4）Discrete Integral mold installation cavity in, preceding mould（5）And rear mold（6）It is bonded with discrete Integral mold installation cavity wall, it is preceding
Mould（5）Center is equipped with formed product chamber, preceding mould（5）, rear mold（6）Between be equipped with annular front and rear mould spacer（7）.
2. cable jacket cross-head system according to claim 1, it is characterized in that deflector and die holder（4）One end
Equipped with stationary gland（8）, the discrete Integral mold is located at deflector and die holder（4）With stationary gland（8）Enclose what is formed
In region, preceding mould（5）One end face and stationary gland（8）Inner face abut.
3. cable jacket cross-head system according to claim 2, it is characterized in that the discrete Integral mold peace
The rotary body cavity behaveing affectedly for shaft section in convex shape, the discrete Integral mold are located at cavity larger in rotary body cavity
It is interior, and abutted with the terrace of the ledge structure of large and small two cavity engaging portions in rotary body cavity.
4. cable jacket cross-head system according to claim 1, it is characterized in that preceding mould（5）, rear mold（6）Between lead to
Cross symmetrically arranged front and rear mould positioning pin（9）Series winding, front and rear mould positioning pin（9）With preceding mould（5）, rear mold（6）Axis it is parallel and
Through front and rear mould spacer（7）.
5. cable jacket cross-head system according to claim 1, it is characterized in that preceding mould（5）It is equipped with the recessed of indent
The conical surface, rear mold（6）The convex cone face of evagination is equipped with, concave cone face is chimeric with convex cone face adaptation, and basin is equipped between concave cone face and convex cone face
Shape gap.
6. cable jacket cross-head system according to claim 1, it is characterized in that deflector and die holder（4）On set
There is deflector positioning pin（10）, deflector positioning pin（10）Extend radially through head back segment（3）The die cavity wall of die cavity, fixed pin
Effect be the deflector interface area of handpiece body it is corresponding with Ji Jing areas material interface area after fixation.
7. cable jacket cross-head system according to claim 2, it is characterized in that stationary gland（8）With deflector
And die holder（4）It is threadedly coupled.
8. cable jacket cross-head system according to any one of claim 1 to 7, it is characterized in that head back segment
（3）Outer circumferential surface is equipped with arc electric heating sheets, and arc electric heating sheets are water cooling aluminum heating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111145.4U CN207327550U (en) | 2017-08-31 | 2017-08-31 | A kind of cable jacket cross-head system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111145.4U CN207327550U (en) | 2017-08-31 | 2017-08-31 | A kind of cable jacket cross-head system |
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| Publication Number | Publication Date |
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| CN207327550U true CN207327550U (en) | 2018-05-08 |
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ID=62371964
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721111145.4U Active CN207327550U (en) | 2017-08-31 | 2017-08-31 | A kind of cable jacket cross-head system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471593A (en) * | 2017-08-31 | 2017-12-15 | 浙江富春江光电科技有限公司 | A kind of cable jacket cross-head system and its manufacture method |
-
2017
- 2017-08-31 CN CN201721111145.4U patent/CN207327550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471593A (en) * | 2017-08-31 | 2017-12-15 | 浙江富春江光电科技有限公司 | A kind of cable jacket cross-head system and its manufacture method |
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