CN107139419A - A kind of 8-shaped cable is extruded mould - Google Patents
A kind of 8-shaped cable is extruded mould Download PDFInfo
- Publication number
- CN107139419A CN107139419A CN201710284083.5A CN201710284083A CN107139419A CN 107139419 A CN107139419 A CN 107139419A CN 201710284083 A CN201710284083 A CN 201710284083A CN 107139419 A CN107139419 A CN 107139419A
- Authority
- CN
- China
- Prior art keywords
- cable
- plane
- messenger wire
- cable core
- extrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
Abstract
The invention discloses a kind of 8-shaped cable extruded mould, including：First passage provided with cone in extrusion molding die cap, extrusion molding die cap a, side end face of extrusion molding die cap is provided with the cable exits being adapted to outer diameter of cable, and cable exits are connected with first passage；The extrusion mandrel used is assembled with extrusion molding die cap, extrusion mandrel includes cylindrical shape second channel and the interflow face positioned at second channel end, and interflow face is provided with the second messenger wire via and the second cable core via, the second messenger wire via and the second cable core via and second channel UNICOM；Extrusion mandrel is close to water conservancy diversion inclined-plane of the side of extrusion molding die cap provided with cone, inclined-plane is pressed provided with two in water conservancy diversion inclined-plane outer surface, and when extrusion mandrel is assembled on extrusion molding die cap, pressure inclined-plane is at least partially disposed in first passage, the intersection on pressure inclined-plane and interflow face is inclined-plane line, and inclined-plane line is parallel with the outer tangent line of homonymy the second messenger wire via and the second cable core via.The present invention ensures that extrusion pressure is uniform, it is to avoid cable sheath uniform wall thickness.
Description
Technical field
The present invention relates to cable extrusion technique field, and in particular to a kind of 8-shaped cable is extruded mould.
Background technology
A kind of entitled figures of eight of Chinese patent notification number CN103163606A are low additional to be subtracted type optical cable and has suffered cable structure
Including cable core and messenger wire, cable core and messenger wire are connected by suspender belt.Have the advantages that product size is compact, structure is attractive in appearance, but 8 words
Extrusion thickness control and the shaped cross-section control of shape optical cable are extremely important, and too thin jacket thickness does not reach technical indicator will
Ask, relatively after jacket thickness loss production cost.In 8-shaped cable extruding production process, because product belongs to non-revolved body knot
Structure, extrusion pressure skewness on product circumferencial direction when causing the extrusion molding to produce, and then cause extrusion pressure in production process
Fluctuation, causes oversheath wall thickness fluctuating change.Simultaneously as sheath is different with respect to cable inner amount of force, cause cable
Internal state differs, and causes product stability and performance inconsistency.
The content of the invention
For defect present in prior art, extruded mold it is an object of the invention to provide a kind of 8-shaped cable
Tool, it is ensured that extrusion pressure is uniform, it is to avoid cable sheath uniform wall thickness.
To achieve the above objectives, the present invention is adopted the technical scheme that：
A kind of 8-shaped cable is extruded mould, including：
First passage provided with cone in extrusion molding die cap, the extrusion molding die cap, a side end face of the extrusion molding die cap is set
There are the cable exits being adapted to outer diameter of cable, the cable exits are connected with the first passage；
The extrusion mandrel used is assembled with the extrusion molding die cap, the extrusion mandrel includes cylindrical shape second channel and is located at
The interflow face of the second channel end, the interflow face is provided with the second messenger wire via and the second cable core via, and described second hangs
Line via and the second cable core via and the second channel UNICOM；Meanwhile,
The extrusion mandrel is outside water conservancy diversion inclined-plane of the side of the extrusion molding die cap provided with cone, the water conservancy diversion inclined-plane
Inclined-plane is pressed in surface provided with two, and when the extrusion mandrel is assembled on the extrusion molding die cap, the pressure inclined-plane at least portion
Divide in the first passage, the pressure inclined-plane is with collaborating the intersection in face for inclined-plane line, described in the inclined-plane line and homonymy
The outer tangent line of second messenger wire via and the second cable core via is parallel.
On the basis of above-mentioned technical proposal, where the minimum point being located at the pressure inclined-plane on the extrusion mandrel
Circumference is justified for projection, and the inclined-plane line is projected to the projection circle along the extrusion mandrel axis vertical；
If the width in the suspender belt hole is not more than 2.3mm, the water between the quadrantal points and the inclined-plane line of the projection circle
Flat distanceWherein D2For the second cable core via external diameter, d2The second messenger wire via external diameter；
If the width in the suspender belt hole is more than 2.3mm, the level between the quadrantal points and the inclined-plane line of the projection circle
Distance
On the basis of above-mentioned technical proposal, the outer diameter D of the second cable core via2=conductor assembly outer diameter+1mm.
On the basis of above-mentioned technical proposal, the outside diameter d of the second messenger wire via2=messenger wire external diameter+0.6mm.
On the basis of above-mentioned technical proposal, the cable exits are by the first messenger wire via, suspender belt hole and the first cable core mistake
Hole is constituted, and the second messenger wire via and the second cable core via are corresponding with the first messenger wire via and the first cable core via respectively.
On the basis of above-mentioned technical proposal, the distance of center circle of the first messenger wire via and the first cable core via and described the
The port radius that one passage is located at the end face is equal.
On the basis of above-mentioned technical proposal, external diameter=messenger wire external diameter+2* messenger wire wall thickness+0.4mm of the first messenger wire via.
On the basis of above-mentioned technical proposal, the interflow face is provided with cable core pipe, and the second cable core via is located at described
In cable core pipe, the cable core pipe extends to the extrusion molding die cap side.
On the basis of above-mentioned technical proposal, the distance that the cable core pipe extends the interflow face is 0.5mm.
Compared with prior art, the advantage of the invention is that：
(1) a kind of 8-shaped cable of the invention mould of extruding includes extrusion molding die cap and extrusion mandrel, by extrusion mandrel
It is fixed on extrusion head plug, extrudate is flowed to through the cable core of the second cable core via along water conservancy diversion inclined-plane and hung through second
The messenger wire element of line via, when extrusion is without pressure inclined-plane is flow to, extrusion pressure further changes, and presses oblique by adjustment
The angle of inclination in face acts on the pressure on cable core and messenger wire when controlling whole extrusion mandrel circumferencial direction to flow to interflow face, reaches
The purpose of extrusion molding pressure of the control extrusion without relative cable core and messenger wire, it is ensured that the pressure in extrusion on product circumferencial direction
Equalization stable.
(2) a kind of 8-shaped cable of the invention extrudes the inclined-plane line on pressure inclined-plane of mould and the second of homonymy hangs
The outer tangent line of line via and the second cable core via is parallel so that the second messenger wire via and the second cable core via respectively with inclined-plane line it
Between distance it is equal, it is ensured that messenger wire and cable core, can be according to the chis of messenger wire, cable core and suspender belt hole by approximately equalised extrusion molding pressure
The positions and dimensions on inclined-plane are pressed in very little design, and design is simple, the scope of application.
Brief description of the drawings
Fig. 1 is the structural representation of extrusion mandrel in the embodiment of the present invention；
Fig. 2 is the sectional view after extrusion molding die cap in the embodiment of the present invention and extrusion mandrel assembling；
Fig. 3 is the vertical projection figure for pressing inclined-plane of extrusion mandrel in the embodiment of the present invention；
Fig. 4 is the top view of extrusion molding die cap in the embodiment of the present invention.
In figure：1- extrusion molding die caps, 10- first passages, 11- cable exits, 12- the first messenger wire vias, 13- suspender belts hole, 14-
First cable core via, 15- extrusion mandrels, 20- second channels, 21- the second messenger wire vias, 22- the second cable core vias, 23- is circumscribed
Line, 24- cable core pipes, 25- interflow face, 26- water conservancy diversion inclined-plane, 3- presses inclined-plane, 30- inclined-planes line, 31- projection circles, 32- quadrantal points.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Referring to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the embodiment of the present invention provides a kind of 8-shaped cable and extruded mould, bag
Extrusion molding die cap 1 is included, the extrusion mandrel 2 used is assembled with extrusion molding die cap 1 and presses inclined-plane 3.Wherein, referring to shown in Fig. 2 and Fig. 4,
The first passage 10 of cone is axially arranged with extrusion molding die cap 1 along it, a side end face of extrusion molding die cap 1 is provided with suitable with outer diameter of cable
The cable exits 11 matched somebody with somebody, cable exits 11 are connected with first passage 10, and cable exits 11 are by supplying the first messenger wire that messenger wire is passed
Via 12, suspender belt hole 13 and the first cable core via 14 passed for cable core are constituted, the first messenger wire via 12 and the first cable core via
14 distance of center circle is equal with the port radius that first passage 10 is located at end face.
Referring in the assembled condition, the part of extrusion mandrel 2 is stretched into first passage 10, extrusion mandrel 2 shown in Fig. 1 and Fig. 2
Including axially disposed cylindrical shape second channel 20 and located at second channel 20 close to the interflow face of the side end of extrusion molding die cap 1 one
25, interflow face 25 is provided with the second cable core mistake for being provided with and being passed through for cable core in the messenger wire via 2 of cable core pipe 24 and second, cable core pipe 24
Hole 22, wherein the second messenger wire via 21 and the second cable core via 22 respectively with the first messenger wire via 12 and the phase of the first cable core via 14
To setting, the second messenger wire via 21 and the second cable core via 22 and the UNICOM of second channel 20.Cable core pipe 24 prolongs to the side of extrusion molding die cap 1
Stretch, the distance that cable core pipe 24 extends interflow face 25 is 0.5mm.
Extrusion mandrel 2 is close to one section of water conservancy diversion inclined-plane 26 for cone of extrusion molding die cap 1, and two pressure inclined-planes 3 are located at water conservancy diversion
The outer surface on inclined-plane 26, in the assembled condition, presses inclined-plane 3 to be located in first passage 10, presses inclined-plane 3 to be located on interflow face 25
Inclined-plane line 30 it is parallel with the outer tangent line 23 of the second messenger wire of homonymy via 21 and the second cable core via 22.Pressure inclined-plane 3 is main
It act as slowing down and is pressed due to extruding the inconsistent caused basis of gap length due to special-shaped optical cable on circumferencial direction in extrusion
The problem of power is inconsistent, is reached unanimity, it is to avoid outer shield by pressing inclined-plane to ensure that special-shaped optical cable extrudes gap in a circumferential direction
Set is in uneven thickness.
According to the requirement of different 8-shaped cables, conductor assembly outer diameter, messenger wire external diameter, the width in suspender belt hole 13, the second cable are obtained
The external diameter of core via 22, the external diameter of the second messenger wire via 21, the external diameter of the first messenger wire via 12 and the external diameter conduct of the first cable core via 14
Basis, calculating processes pressure inclined-plane 3.Referring to shown in 3, obtaining the circumscribed of the second cable core via and the second messenger wire via 21
After line, outwards at the outer tangent line of translation to the desired position of inclined-plane line 30.To press the minimum point that inclined-plane 3 is located on extrusion mandrel 2
The circumference at place is projection circle 31, inclined-plane line 30 is projected to projection circle 31 along the axis vertical of extrusion mandrel 2, if suspender belt hole 13
Width be not more than 2.3mm, it is contemplated that the influence of extrusion molding viscosity and extrusion molding amount, the quadrantal points 32 and inclined-plane line 30 of projection circle 31 it
Between horizontal rangeWherein D2For the external diameter of the second cable core via 22, d2The external diameter of second messenger wire via 21；If suspender belt hole 13
Width be more than 2.3mm, projection circle 31 quadrantal points 32 and inclined-plane line 30 between horizontal rangeWherein,
The outer diameter D of second cable core via 222=conductor assembly outer diameter+1mm, the outside diameter d of the second messenger wire via 212=messenger wire external diameter+0.6mm, the
The external diameter of one messenger wire via 12=messenger wire external diameter+2* messenger wire wall thickness+0.4mm.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (9)
- The mould 1. a kind of 8-shaped cable is extruded, it is characterised in that including：First passage (10) provided with cone in extrusion molding die cap (1), the extrusion molding die cap (1), the one of the extrusion molding die cap (1) Side end face is provided with the cable exits (11) being adapted to outer diameter of cable, and the cable exits (11) connect with the first passage (10) It is logical；The extrusion mandrel (2) used is assembled with the extrusion molding die cap (1), the extrusion mandrel (2) includes cylindrical shape second channel (20) and the interflow face (25) positioned at the second channel (20) end, the interflow face (25) is provided with the second messenger wire via (21) With the second cable core via (22), the second messenger wire via (21) and the second cable core via (22) join with the second channel (20) It is logical；Meanwhile,The extrusion mandrel (2) is close to water conservancy diversion inclined-plane (26) of the side of the extrusion molding die cap (1) provided with cone, the water conservancy diversion Inclined-plane (3) are pressed in inclined-plane (26) outer surface provided with two, and when the extrusion mandrel (2) is assembled on the extrusion molding die cap (1), Pressure inclined-plane (3) is at least partially disposed in the first passage (10), pressure inclined-plane (3) and the friendship at interflow face (25) Line is inclined-plane line (30), the inclined-plane line (30) and the second messenger wire via (21) described in homonymy and the second cable core via (22) outside Tangent line (23) is parallel.
- The mould 2. a kind of 8-shaped cable as claimed in claim 1 is extruded, it is characterised in that：Using the circumference where the minimum point that pressure inclined-plane (3) is located on the extrusion mandrel (2) described as projection circle (31), by institute Inclined-plane line (30) is stated to project to the projection circle (31) along the extrusion mandrel (2) axis vertical；If the width of the suspender belt hole (13) is not more than 2.3mm, the quadrantal points (32) and the inclined-plane line of the projection circle (31) (30) horizontal range betweenWherein D2For second cable core via (22) external diameter, d2The second messenger wire via (21) External diameter；If the width of the suspender belt hole (13) is more than 2.3mm, the quadrantal points (32) and the inclined-plane line of the projection circle (31) (30) horizontal range between
- The mould 3. a kind of 8-shaped cable as claimed in claim 2 is extruded, it is characterised in that：The second cable core via (22) outer diameter D2=conductor assembly outer diameter+1mm.
- The mould 4. a kind of 8-shaped cable as claimed in claim 2 is extruded, it is characterised in that：The second messenger wire via (21) outside diameter d2=messenger wire external diameter+0.6mm.
- The mould 5. a kind of 8-shaped cable as claimed in claim 1 is extruded, it is characterised in that：The cable exits (11) It is made up of the first messenger wire via (12), suspender belt hole (13) and the first cable core via (14), the second messenger wire via (21) and Two cable core vias (22) are corresponding with the first messenger wire via (12) and the first cable core via (14) respectively.
- The mould 6. a kind of 8-shaped cable as claimed in claim 5 is extruded, it is characterised in that：The first messenger wire via (12) it is equal with the port radius that the first passage (10) is located at the end face with the distance of center circle of the first cable core via (14).
- The mould 7. a kind of 8-shaped cable as claimed in claim 5 is extruded, it is characterised in that：First messenger wire via (12) External diameter=messenger wire external diameter+2* messenger wire wall thickness+0.4mm.
- The mould 8. a kind of 8-shaped cable as claimed in claim 1 is extruded, it is characterised in that：The interflow face (25) sets There is cable core pipe (24), the second cable core via (22) is located in the cable core pipe (24), the cable core pipe (24) is squeezed to described Mold lid (1) side extends.
- The mould 9. a kind of 8-shaped cable as claimed in claim 8 is extruded, it is characterised in that：The cable core pipe (24) is prolonged The distance for stretching out the interflow face (25) is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284083.5A CN107139419A (en) | 2017-04-26 | 2017-04-26 | A kind of 8-shaped cable is extruded mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284083.5A CN107139419A (en) | 2017-04-26 | 2017-04-26 | A kind of 8-shaped cable is extruded mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107139419A true CN107139419A (en) | 2017-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284083.5A Pending CN107139419A (en) | 2017-04-26 | 2017-04-26 | A kind of 8-shaped cable is extruded mould |
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| Country | Link |
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| CN (1) | CN107139419A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710186A (en) * | 2018-08-10 | 2018-10-26 | 浙江亨通光网物联科技有限公司 | Extrusion moulding mold of fire-retardant 8 word optical cable, half squash type |
| CN112388937A (en) * | 2020-10-26 | 2021-02-23 | 重庆鸽牌电线电缆有限公司 | Manufacturing process of double-core mask wire |
| CN115179523A (en) * | 2022-08-29 | 2022-10-14 | 湖南美康光电有限公司 | Isobaric equal-wall-thickness concentric small splayed cable mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635193A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Self-supporting wire cable jacket extrusion mold |
| CN201518253U (en) * | 2009-11-03 | 2010-06-30 | 江苏永鼎股份有限公司 | Plastic wire and cable squeeze extrusion mold |
| CN202034124U (en) * | 2011-05-10 | 2011-11-09 | 河南省通信电缆有限公司 | Self-supporting cable extrusion molding die and fixed-diameter members of same |
| CN203818531U (en) * | 2014-04-03 | 2014-09-10 | 广东华声电器股份有限公司 | Wire-cable parallel-line extruding mold |
| CN205751700U (en) * | 2016-05-26 | 2016-11-30 | 浙江万马天屹通信线缆有限公司 | A kind of band blank pipe jacket mould |
-
2017
- 2017-04-26 CN CN201710284083.5A patent/CN107139419A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635193A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Self-supporting wire cable jacket extrusion mold |
| CN201518253U (en) * | 2009-11-03 | 2010-06-30 | 江苏永鼎股份有限公司 | Plastic wire and cable squeeze extrusion mold |
| CN202034124U (en) * | 2011-05-10 | 2011-11-09 | 河南省通信电缆有限公司 | Self-supporting cable extrusion molding die and fixed-diameter members of same |
| CN203818531U (en) * | 2014-04-03 | 2014-09-10 | 广东华声电器股份有限公司 | Wire-cable parallel-line extruding mold |
| CN205751700U (en) * | 2016-05-26 | 2016-11-30 | 浙江万马天屹通信线缆有限公司 | A kind of band blank pipe jacket mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710186A (en) * | 2018-08-10 | 2018-10-26 | 浙江亨通光网物联科技有限公司 | Extrusion moulding mold of fire-retardant 8 word optical cable, half squash type |
| CN112388937A (en) * | 2020-10-26 | 2021-02-23 | 重庆鸽牌电线电缆有限公司 | Manufacturing process of double-core mask wire |
| CN115179523A (en) * | 2022-08-29 | 2022-10-14 | 湖南美康光电有限公司 | Isobaric equal-wall-thickness concentric small splayed cable mold |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170908 |
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| RJ01 | Rejection of invention patent application after publication |