CN109507778B - The extruder die of double-colored double colour bar optical cables - Google Patents
The extruder die of double-colored double colour bar optical cables Download PDFInfo
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- CN109507778B CN109507778B CN201910113921.1A CN201910113921A CN109507778B CN 109507778 B CN109507778 B CN 109507778B CN 201910113921 A CN201910113921 A CN 201910113921A CN 109507778 B CN109507778 B CN 109507778B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4482—Code or colour marking
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of double-colored double colour bar optical cables and its extruder dies, it solves the homochromy colour bar in the left and right sides and is not enough to distinguish all optical cables, it needs increasing the problem of different colors is to distinguish more optical cables on same colour bar at this time, it is related to fiber optic cable manufacture field, its key points of the technical solution are that: including cable core and the oversheath being arranged in outside cable core, the oversheath outer wall is equipped with several colour bars, in the colour bar insertion oversheath, each colour bar is made of the vitta of two different colours；So that oversheath is externally provided with two-color bar, it is conducive to optical cable and identifies.
Description
Technical field
The present invention relates to fiber optic cable manufacture fields, more specifically, it relates to a kind of extruding machine mould of double-colored double colour bar optical cables
Tool.
Background technique
In the prior art, it in order to guarantee transmission performance, mechanical mechanics property and the environmental resistance of optical cable, needs in optical fiber
The sheath materials such as one layer of sheath monochromatic polyethylene, polyvinyl chloride or nylon form optical fiber cable to outer layer again.But when more optical cables are same
It is not easy to recognize when managing, being laid with slot, increases the difficulty of installation, maintenance and detection.
Notification number is that the Chinese patent of CN206946057U discloses a kind of outdoor optical cable of double-colored item of band, comprising: outer shield
Set, double plastic-coated steel band and cable core；The cable core is mounted in double plastic-coated steel band, and the oversheath is wrapped in double plastic-coated steel
Band is external, and the oversheath is used for electric insulation, and for protecting cable core, the cable core passes the double plastic-coated steel band for information
It is defeated；The left side of the oversheath is equipped with a red bar, and right side is equipped with a blue bar, the red bar, blue bar and oversheath one
It is body formed, it is distributed in the surface of oversheath.
But when optical cable quantity increases, the colour bar that the left and right sides is homochromy is not enough to distinguish all optical cables, needs at this time
Increase different colors on same colour bar to distinguish more optical cables.
Summary of the invention
The object of the present invention is to provide a kind of double-colored double colour bar optical cables, the advantage is that, oversheath is externally provided with two-color bar,
Conducive to optical cable identification.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of double-colored double colour bar optical cables,
Including cable core and the oversheath being arranged in outside cable core, the oversheath outer wall is equipped with several colour bars, and the colour bar insertion is outer
In sheath, each colour bar is made of the vitta of two different colours.
By using above-mentioned technical proposal, a colour bar is made of 2 kinds of color vittas, can quickly identify optical cable,
It is different from the optical cable for not marking color and has marked monochromatic optical cable.
It is a further object to provide a kind of extruder die for manufacturing above-mentioned double-colored double colour bar optical cables, including it is outer
Die sleeve, the outer mold piece being embedded in outer die casing, the internal module being arranged in outer mold piece, the outer die casing, outer mold piece and internal module
The first feed opening, the second feed opening, the third feed opening of coaxial distribution taper, the cone of first feed opening are inside offered respectively
Degree is greater than the taper of the second feed opening, offers respectively and the second feed opening and third feed opening on the outer mold piece and internal module
The first discharge port being coaxially distributed and the second discharge port of connection, there are first between first discharge port and the second discharge port
Gap, there are the second gap between second feed opening and internal module outer wall, second gap is greater than the first gap；
The vitta first charging aperture and second charging aperture being distributed in 90 degree are offered on the outer die casing, on the outer mold piece
Offer the first storage material slot corresponding with first charging aperture and second charging aperture and the second storage material slot respectively；
It is semicircular first runner that the section that is connected to the first storage material slot is offered on the outer mold piece outer wall, described the
One storage material slot is connected to the middle position of first runner, and the both ends of the first runner, which are offered, injects outer mold piece for vitta material
The first injection hole between internal module；
The second flow channel that the section being connected to the second storage material slot is a quarter circle is offered on the outer mold piece outer wall,
The second flow channel extends to the direction far from the first storage material slot and is communicated with third flow channel in one end far from the second storage material slot,
The section of the third flow channel is semicircle, and second flow channel is connected to the middle position of third flow channel, the third flow channel
Both ends are offered for the second injection hole between vitta material injection outer mold piece and internal module, second injection hole and the first note
Enter hole to be dislocatedly distributed, first injection hole and the second injection hole project to the one end outer mold piece any longitudinal section Shang Shi phase mutual connection
Touching.
By using above-mentioned technical proposal, the vitta of different colours is injected separately by first charging aperture and second charging aperture
To the first storage material slot and the second storage material slot, the vitta material of the first storage material slot enters first runner, and through the first injection hole in
Between module and outer mold piece, the vitta stream of the second storage material slot to second flow channel, third flow channel, then by the second injection hole into
Enter between internal module and outer mold piece, the vitta material in the first injection hole and the second injection hole is between internal module and outer mold piece
The flowing of oversheath material be gradually coated on the outside of optical cable, the vitta Yu oversheath of two kinds of colors are integrally formed manufacture at this time,
Reduce production process, saved cost, when needing to use monochromatic colour bar, it is only necessary to feed first charging aperture and second
The material solid colour of mouth just, therefore is also convenient for manufacturing monochromatic colour bar, increases use scope.
Preferably, the third flow channel offers first collection of the size greater than the second injection hole in the upper end of the second injection hole
Hopper, the first runner offer second material collecting tank of the size greater than the first injection pore size in the upper end of the first injection hole.
By using above-mentioned technical proposal, the setting of the first material collecting tank and the second material collecting tank increases the second injection hole respectively
With the flowing velocity of material in the first injection hole, and flows into the second injection hole and the first injection hole material and enrich.
Preferably, the third flow channel is equipped with the first adjustment hole in the position for offering the second injection hole, and described first adjusts
The first adjusting block is equipped in knothole, second injection hole is arranged on the first adjusting block, and the third flow channel is equipped with the
One adjusting block is fixed on the first locating part in the first adjustment hole.
By using above-mentioned technical proposal, when needing to change the size of the second injection hole, it is only necessary to release the first limit
Restriction of the part to the position of the first adjusting block then replaces the first adjusting block for the second different injection hole of length and is installed to external mold
On block, i.e., the width of changeable colour bar meets requirement.
Preferably, first locating part includes that the fixation of the first adjusting block towards one end periphery of third flow channel is arranged in
Disk offers the groove for fixed disk insertion in the third flow channel, is threaded with check lock lever, the lock in the fixed disk
Tight bar passes through fixed disk and protrudes into groove slot bottom, and connect with groove slot bottom internal screw thread.
It will be fixed when the first adjusting block enters in the first adjustment hole by check lock lever by using above-mentioned technical proposal
Disk is fixed, and then the first adjusting block is fixed, and structure is simple.
Preferably, the fixed disk is equipped with several ring packings protruded into groove slot bottom towards the side of groove slot bottom
Plate.
By using above-mentioned technical proposal, the setting of sealing plate increases the connection between fixed disk and groove slot bottom, subtracts
Small material flows out between sealing plate and groove slot bottom.
Preferably, the first runner is equipped with the second adjustment hole in the position for offering the first injection hole, and described second adjusts
The second adjusting block is equipped in knothole, first injection hole is arranged on the second adjusting block, and the first runner is equipped with the
Two adjusting blocks are fixed on the second locating part in the second adjustment hole, and second locating part and the first locating part structure are consistent.
By using above-mentioned technical proposal, the setting of the second adjusting block so that the width of another vitta is also adjustable,
So that the vitta equivalent width of two kinds of colors.
Preferably, the first storage material slot and the second storage material slot are circular trough, and the first runner and the first storage material
Slot junction arc transition, the second flow channel and the second storage material slot junction arc transition, the second flow channel and third stream
Road junction arc transition.
By using above-mentioned technical proposal, arc transition reduces material and is trapped in turning in flowing, improves material
Utilization rate, and it is convenient for the flowing of material.
Preferably, the outer mold piece offers the fixing groove of annular, the fixing groove in one end outer wall far from internal module
It is arranged with external mold lid outside, the external mold cover outer wall is connect with outer die casing inner thread.
By using above-mentioned technical proposal, one end of outer mold piece is fixed on outer die casing by outer die cap, limits outer mold piece
One end, the other end of outer mold piece is under the pressure of Flow of Goods and Materials, so that outer mold piece is compressed in external mold and covers.
In conclusion the invention has the following advantages: a colour bar is made of 2 kinds of color vittas, it can be quick
It identifies optical cable, be different from the optical cable for not marking color and marked monochromatic optical cable；The vitta of different colours passes through the first charging
Mouth and second charging aperture are injected separately into the first storage material slot and the second storage material slot, and the vitta material of the first storage material slot enters first-class
Road, and by the first injection hole between internal module and outer mold piece, the vitta stream of the second storage material slot to second flow channel, third stream
Road is then entered between internal module and outer mold piece by the second injection hole, the vitta in the first injection hole and the second injection hole
Material is gradually coated on the outside of optical cable with the flowing of the oversheath material between internal module and outer mold piece, at this time the color of two kinds of colors
Item and oversheath, which are integrally formed, to be manufactured, and is reduced production process, has been saved cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is embodiment 2 for embodying the structural schematic diagram of the first feed opening, the second feed opening, third feed opening；
Fig. 4 is embodiment 2 for embodying the structural schematic diagram of the first storage material slot；
Fig. 5 is embodiment 2 for embodying the structural schematic diagram of the second storage material slot；
Fig. 6 is embodiment 2 for embodying the structural schematic diagram of third flow channel；
Fig. 7 is embodiment 2 for embodying the structural schematic diagram of the first injection hole, the second injection hole；
Fig. 8 is embodiment 2 for embodying the structural schematic diagram of the second adjustment hole；
Fig. 9 is the structural schematic diagram in Fig. 8 at A；
Figure 10 is embodiment 2 for embodying the structural schematic diagram of the first locating part.
In figure: 1, cable core；11, oversheath；12, vitta；2, outer die casing；21, outer mold piece；211, the first storage material slot；212,
Second storage material slot；213, first runner；2131, the second adjustment hole；2132, the second adjusting block；214, the first injection hole；2141,
Second material collecting tank；215, second flow channel；216, third flow channel；2161, the first adjustment hole；2162, the first adjusting block；2163,
One locating part；2164, fixed disk；2165, groove；2166, check lock lever；2167, sealing plate；217, the second injection hole；2171,
One material collecting tank；22, internal module；23, the first feed opening；24, the second feed opening；25, third feed opening；26, the first discharge port；
27, the second discharge port；28, first charging aperture；29, second charging aperture；3, fixing groove；31, outer die cap.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1:
A kind of double-colored double colour bar optical cables, such as Fig. 1, including cable core 1 and the oversheath being arranged in outside cable core 1 11, oversheath
11 outer walls are equipped with two colour bars, and colour bar is embedded in oversheath 11, when in colour bar insertion oversheath 11, colour bar outer wall and outer shield
11 outer walls are covered on same cylindrical surface, and each colour bar is made of the vitta 12 of two different colours.A colour bar is by 2 kinds at this time
Color vitta 12 forms, and can quickly identify optical cable, is different from the optical cable for not marking color and has marked monochromatic optical cable.
Embodiment 2:
A kind of extruder die manufacturing above-described embodiment 1 such as Fig. 2 and Fig. 3, including outer die casing 2, is embedded in outer die casing 2
Interior outer mold piece 21, the internal module 22 being arranged in outer mold piece 21 are opened up respectively in outer die casing 2, outer mold piece 21 and internal module 22
There are the first feed opening 23, the second feed opening 24, third feed opening 25 of coaxial distribution taper, the taper of the first feed opening 23 is greater than
The taper of second feed opening 24 offers and second respectively convenient for the entrance of 11 material of oversheath on outer mold piece 21 and internal module 22
The first discharge port 26 and the second discharge port 27 that feed opening 24 was connected to third feed opening 25 be coaxially distributed, the first discharge port 26
And second between discharge port 27 there are the first gap, convenient for the removal of 11 material of oversheath, outside the second feed opening 24 and internal module 22
There are the second gaps between wall, and 22 outer wall of internal module is equipped with the conical surface at this time, and the second gap is greater than the first gap.
Such as Fig. 2 and Fig. 3,11 material of oversheath and 12 material of vitta flow in the second gap at this time, and cable core 1 is in third feed opening
Transmission is simultaneously removed from the second discharge port 27 in 25,11 material of oversheath and 12 material of vitta during removal in the second gap by
Gradually it is coated on 1 outer wall of cable core.Furthermore outer mold piece 21 offers the fixing groove 3 of annular in one end outer wall far from internal module 22, Gu
Determine to be arranged with external mold lid 31 outside slot 3, outer 31 outer wall of die cap is connect with 2 inner thread of outer die casing, in the mistake that 11 stream of oversheath is moved
Outer mold piece 21 is squeezed in journey, so that outer mold piece 21 is gradually compressed on outer die cap 31, so that installation and removal 21 side of outer mold piece
Just.
Such as Fig. 2 and Fig. 3, for the ease of 12 material of vitta of different colours is transferred in the second gap, therefore in outer die casing 2
On offer in 90 degree be distributed 12 first charging aperture 28 of vitta and second charging aperture 29, outer mold piece 21 be cylindrical body, first into
Material mouth 28 is distributed upward, 29 horizontal distribution of second charging aperture, offered on outer mold piece 21 respectively with first charging aperture 28 and second
The corresponding first storage material slot 211 of feed inlet 29 and second storage material slot 212(such as Fig. 4).
Such as Fig. 4 and Fig. 5, further, it is half that the section being connected to the first storage material slot 211 is offered on 21 outer wall of outer mold piece
Circular first runner 213, the first storage material slot 211 are connected to the middle position of first runner 213, the both ends of first runner 213
Offer the first injection hole 214 injected between outer mold piece 21 and internal module 22 for 12 material of vitta.
Such as Fig. 5 and Fig. 6, it is quadrant that the section being connected to the second storage material slot 212 is offered on 21 outer wall of outer mold piece
The second flow channel 215 of shape, second flow channel 215 is distributed along a quarter of 21 outer wall of outer mold piece at this time, and second flow channel 215 is to separate
The direction of first storage material slot 211 extends and is communicated with third flow channel 216, third flow channel in one end far from the second storage material slot 212
216 section is semicircle, and second flow channel 215 is connected to the middle position of third flow channel 216, the both ends of third flow channel 216
Offer the second injection hole 217 injected between outer mold piece 21 and internal module 22 for 12 material of vitta.
Such as Fig. 7, the second injection hole 217 and the first injection hole 214 are dislocatedly distributed, and the first injection hole 214 and the second injection
Hole 217 projects to 21 one end any longitudinal section Shang Shi of outer mold piece and contacts with each other, can be very convenient for two different colors of vitta 12
Good fusion, sharpness of border, not will cause two kinds of colors mutually mixes, and color is caused color difference occur.
Such as Fig. 5 and Fig. 6, in manufacture production process, the vittas 12 of different colours by first charging aperture 28 and second into
Material mouth 29 is injected separately into the first storage material slot 211 and the second storage material slot 212, and 12 material of vitta of the first storage material slot 211 enters first
Runner 213, and arrived between internal module 22 and outer mold piece 21 by two in 180 ° of the first injection hole 214, so that vitta 12 is pressed
Power is evenly distributed；To second flow channel 215, third flow channel 216, then pass through two is in 12 stream of vitta of second storage material slot 212
180 ° of the second injection hole 217 enters between internal module 22 and outer mold piece 21, so that 12 pressure of vitta is evenly distributed, to protect
The 12 material width and thickness of vitta for having demonstrate,proved each color is uniform, symmetrical；Such as Fig. 3, the first injection hole 214 and the second injection hole
12 material of vitta in 217 is gradually coated on the outer of optical cable with the flowing of 11 material of oversheath between internal module 22 and outer mold piece 21
Side, the first injection hole 214 and the second injection hole 217 do not contact directly, but the first injection hole 214 and the second injection hole 217
Interior side contacts form the double-colored double color of 2 180 ° of distributions i.e. in the same horizontal line (such as Fig. 7), by the drive of 11 material of oversheath
Item, the vitta 12 Yu oversheath 11 of two kinds of colors are integrally formed manufacture at this time, reduce production process, have saved cost；When need
When using monochromatic colour bar, it is only necessary to first charging aperture 28 and the material color tune of second charging aperture 29 is consistent just, because
This is also convenient for manufacturing monochromatic colour bar, increases use scope.
Such as Fig. 5 and Fig. 6, furthermore the first storage material slot 211 and the second storage material slot 212 are circular trough, and 213 He of first runner
First storage material slot, 211 junction arc transition, 212 junction arc transition of second flow channel 215 and the second storage material slot, second flow channel
215 and 216 junction arc transition of third flow channel.Arc transition reduces material and is trapped in turning in flowing, improves material
Utilization rate, and be convenient for material flowing.
Such as Fig. 3, third flow channel 216 offers the of size greater than the second injection hole 217 in the upper end of the second injection hole 217
One material collecting tank 2171, first runner 213 offer size greater than 214 size of the first injection hole in the upper end of the first injection hole 214
The second material collecting tank 2141.The setting of first material collecting tank 2171 and the second material collecting tank 2141 increases the second injection hole 217 respectively
With the flowing velocity of material in the first injection hole 214, and material in the second injection hole 217 and the first injection hole 214 is flowed into
It enriches.
Such as Fig. 8, Fig. 9 and Figure 10, when needing to change the width of colour bar, third flow channel 216 is offering the second injection hole
217 position is equipped with the first adjustment hole 2161, is equipped with the first adjusting block 2162, the second injection hole 217 in the first adjustment hole 2161
It is arranged on the first adjusting block 2162, third flow channel 216, which is equipped with, is fixed on the first adjustment hole 2161 for the first adjusting block 2162
The first interior locating part 2163.When needing to change the size of the second injection hole 217, it is only necessary to it is right to release the first locating part 2163
The restriction of the position of first adjusting block 2162 then replaces the first adjusting block 2162 and pacifies the second different injection hole 217 of length
It is attached on outer mold piece 21, i.e., the width of changeable colour bar meets requirement.
Such as Fig. 8, Fig. 9 and Figure 10, first runner 213 is equipped with the second adjustment hole in the position for offering the first injection hole 214
2131, the second adjustment hole 2131 is interior equipped with the second adjusting block 2132, and the first injection hole 214 is arranged on the second adjusting block 2132,
First runner 213, which is equipped with, is fixed on the second locating part in the second adjustment hole 2131, the second limit for the second adjusting block 2132
Part and 2163 structure of the first locating part are consistent, and the second adjusting block 2132 is arranged so that the width of another vitta 12 can also be adjusted
Section, so that 12 equivalent width of vitta of two kinds of colors.
Such as Fig. 8, Fig. 9 and Figure 10, the first locating part 2163 includes setting in the first adjusting block 2162 towards third flow channel 216
The fixed disk 2164 of one end periphery offers the groove 2165 being embedded in for fixed disk 2164, works as fixed disk in third flow channel 216
When in 2164 insertion grooves 2165, the upper surface of fixed disk 2164 is flushed with 216 bottom surface of third flow channel, and fixed disk 2164 is towards recessed
The side of 2165 slot bottom of slot is equipped with several annular seal plates 2167 protruded into 2165 slot bottom of groove, and sealing plate 2167 increases solid
Connection between 2165 slot bottom of price fixing 2164 and groove reduces material and flows out between 2165 slot bottom of sealing plate 2167 and groove,
Check lock lever 2166 is threaded in fixed disk 2164, check lock lever 2166 passes through fixed disk 2164 and protrudes into 2165 slot bottom of groove
It is interior, and connect with 2165 slot bottom internal screw thread of groove, at this time check lock lever 2166 also enter in fixed disk 2164 and with fixed disk 2164
Upper surface flushes, and is equipped with criss-cross driver slot in 2166 upper surface of check lock lever, convenient for by check lock lever 2166 from fixed disk 2164
Interior back-out, and then change the first adjusting block 2162.
As Fig. 3 increases the feed pressure of oversheath 11 material and vitta 12, so that respectively when needing to change the thickness of colour bar
The thickness of a oversheath 11 and colour bar increases simultaneously.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of extruder die of double-colored double colour bar optical cables, it is characterized in that: including outer die casing (2), being embedded in outer die casing (2)
Outer mold piece (21), internal module (22) in outer mold piece (21), the outer die casing (2), outer mold piece (21) and internal module are set
(22) the first feed opening (23), the second feed opening (24), the third feed opening (25) of coaxial distribution taper, institute are offered in respectively
The taper for stating the first feed opening (23) is greater than the taper of the second feed opening (24), divides on the outer mold piece (21) and internal module (22)
The first discharge port (26) and second being coaxially distributed being connected to the second feed opening (24) and third feed opening (25) is not offered
Discharge port (27), there are the first gap, second feed openings between first discharge port (26) and the second discharge port (27)
(24) there are the second gap between internal module (22) outer wall, second gap is greater than the first gap；
Vitta (12) first charging aperture (28) and second charging aperture (29) being distributed in 90 degree are offered on the outer die casing (2),
The first storage material slot corresponding with first charging aperture (28) and second charging aperture (29) respectively is offered on the outer mold piece (21)
(211) and the second storage material slot (212)；
It is semicircular first runner that the section being connected to the first storage material slot (211) is offered on outer mold piece (21) outer wall
(213), the first storage material slot (211) is connected to the middle position of first runner (213), and the two of the first runner (213)
End offers the first injection hole (214) expected between injection outer mold piece (21) and internal module (22) for vitta (12)；
It is round second of a quarter that the section being connected to the second storage material slot (212) is offered on outer mold piece (21) outer wall
Runner (215), the second flow channel (215) extend to the direction far from the first storage material slot (211) and far from the second storage material slots
(212) one end is communicated with third flow channel (216), and the section of the third flow channel (216) is semicircle, and second flow channel
(215) it is connected to the middle position of third flow channel (216), the both ends of the third flow channel (216) are offered for vitta (12)
The second injection hole (217) between material injection outer mold piece (21) and internal module (22), second injection hole (217) and the first note
Enter hole (214) to be dislocatedly distributed, it is any vertical that first injection hole (214) and the second injection hole (217) project to outer mold piece (21)
Section one end Shang Shi contacts with each other；
The third flow channel (216) is equipped with the first adjustment hole (2161) in the position for offering the second injection hole (217), and described the
The first adjusting block (2162) are equipped in one adjustment hole (2161), second injection hole (217) is arranged in the first adjusting block
(2162) on, the third flow channel (216) is equipped with and the first adjusting block (2162) is fixed in the first adjustment hole (2161)
First locating part (2163).
2. the extruder die of double-colored double colour bar optical cables according to claim 1, it is characterized in that: the third flow channel
(216) the first material collecting tank (2171) that size is greater than the second injection hole (217) is offered in the upper end of the second injection hole (217),
The first runner (213) offers the of size greater than the first injection hole (214) size in the upper end of the first injection hole (214)
Two material collecting tanks (2141).
3. the extruder die of double-colored double colour bar optical cables according to claim 2, it is characterized in that: first locating part
It (2163) include being arranged in the first adjusting block (2162) towards the fixed disk (2164) of (216) one end periphery of third flow channel, it is described
The groove (2165) for fixed disk (2164) insertion is offered in third flow channel (216), screw thread connects on the fixed disk (2164)
It being connected to check lock lever (2166), the check lock lever (2166) passes through fixed disk (2164) and protrudes into groove (2165) slot bottom, and with
The connection of groove (2165) slot bottom internal screw thread.
4. the extruder die of double-colored double colour bar optical cables according to claim 3, it is characterized in that: the fixed disk (2164)
Several annular seal plates (2167) protruded into groove (2165) slot bottom are equipped with towards the side of groove (2165) slot bottom.
5. the extruder die of double-colored double colour bar optical cables according to claim 1, it is characterized in that: the first runner
(213) the second adjustment hole (2131) are equipped in the position for offering the first injection hole (214), in second adjustment hole (2131)
Equipped with the second adjusting block (2132), first injection hole (214) is arranged on the second adjusting block (2132), the first runner
(213) it is equipped with and the second adjusting block (2132) is fixed on the second locating part in the second adjustment hole (2131), second limit
Position part and the first locating part (2163) structure are consistent.
6. the extruder die of double-colored double colour bar optical cables according to claim 1, it is characterized in that: the first storage material slot
(211) and the second storage material slot (212) is circular trough, and the first runner (213) and the first storage material slot (211) junction are round
Arc transition, the second flow channel (215) and second storage material slot (212) junction arc transition, the second flow channel (215) and
Three runners (216) junction arc transition.
7. the extruder die of double-colored double colour bar optical cables according to claim 1, it is characterized in that: the outer mold piece (21) exists
One end outer wall far from internal module (22) offers the fixing groove (3) of annular, and external mold lid is arranged with outside the fixing groove (3)
(31), outer die cap (31) outer wall is connect with outer die casing (2) inner thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113921.1A CN109507778B (en) | 2019-02-14 | 2019-02-14 | The extruder die of double-colored double colour bar optical cables |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113921.1A CN109507778B (en) | 2019-02-14 | 2019-02-14 | The extruder die of double-colored double colour bar optical cables |
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| Publication Number | Publication Date |
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| CN109507778A CN109507778A (en) | 2019-03-22 |
| CN109507778B true CN109507778B (en) | 2019-06-28 |
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| CN201910113921.1A Active CN109507778B (en) | 2019-02-14 | 2019-02-14 | The extruder die of double-colored double colour bar optical cables |
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| CN114851514B (en) * | 2022-07-06 | 2022-09-20 | 江苏中天科技股份有限公司 | Method for manufacturing color bar butterfly optical cable and color bar butterfly optical cable |
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