CN209534103U - A kind of anti-bulge mold of plastic sleeve - Google Patents
A kind of anti-bulge mold of plastic sleeve Download PDFInfo
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- CN209534103U CN209534103U CN201822170138.2U CN201822170138U CN209534103U CN 209534103 U CN209534103 U CN 209534103U CN 201822170138 U CN201822170138 U CN 201822170138U CN 209534103 U CN209534103 U CN 209534103U
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Abstract
The utility model provides a kind of anti-bulge mold of plastic sleeve, it provides a kind of crowded extrusion moulding mold of tubular type of skeining formula optical fiber secondary coating, not only plastic sleeve high speed 600m/min and the above high-speed production demand can guarantee, but also can solve the problem of buildup causes bulge in mold core in high speed manufacturing processes.It includes mold core, die sleeve, the center from-inner-to-outer of the die sleeve is respectively arranged with the first taper closing in chamber, second taper closing in chamber, centered cylinder chamber, the taper of the first taper closing in chamber is greater than the taper of the second taper closing in chamber, the closing in end of the first taper closing in chamber connects the starting point of the second taper closing in chamber, the closing in end of the second taper closing in chamber connects the starting point of the centered cylinder chamber, the central axis of the central axis of the mold core and die sleeve arrangement, the center from-inner-to-outer of the mold core is respectively arranged with the first centered cylinder chamber, taper closing in chamber, second centered cylinder chamber.
Description
Technical field
The utility model relates to the technical field of cable production, specially a kind of anti-bulge molds of plastic sleeve.
Background technique
Layer-stranding cable is a kind of optical cable suitable for long distance communication and interoffice communication.Its fiber transmission attenuation is small, dispersion
It is low, it is rationally designed because of it and accurately controls optical fiber excess length and stranding mode in Loose tube, make optical cable that there is excellent mechanicalness
Energy and environmental performance.Cable configuration is compact, can ensure that optical cable under rugged environment optical fiber not by stress.Because its outdoor is aerial
Cable laying operation is convenient, fast, at home and abroad there is extensive utilization.Traditional skeining formula optical cable plastic sleeve manufacturing process, uses crowded pipe
For formula mold with smaller, it is to need to change mold that production size, which differs biggish structure, is easily occurred in existing mold high speed production
Mold core inner product material strip goes out and leads to plastic sleeve bulge situation, can not adapt to high-speed production demand.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of anti-bulge mold of plastic sleeve, provide a kind of at stranded cables
Secondary coating squeezes extrusion moulding mold of tubular type, not only can guarantee plastic sleeve high speed 600m/min and the above high-speed production demand, but also
It can solve the problem of buildup causes bulge in mold core in high speed manufacturing processes.
A kind of anti-bulge mold of plastic sleeve, it is characterised in that: it includes mold core, die sleeve, the center from-inner-to-outer of the die sleeve
It is respectively arranged with the first taper closing in chamber, the second taper closing in chamber, centered cylinder chamber, the taper of the first taper closing in chamber is big
The second taper closing in chamber is connected in the closing in end of the taper of the second taper closing in chamber, the first taper closing in chamber
Starting point, the closing in end of the second taper closing in chamber connects the starting point of the centered cylinder chamber, in the mold core
The central axis of mandrel and die sleeve arrangement, the center from-inner-to-outer of the mold core are respectively arranged with the first centered cylinder
Chamber, taper closing in chamber, the second centered cylinder chamber, the outer peripheral surface from-inner-to-outer of the mold core be respectively the first taper flaring section,
Second taper closing in section, central circular section, the end in the first taper flaring section connect second taper and close up
The end of the starting point in section, the second taper closing in section connects the starting point in the central circular section, the center
The outer end of ring cross-section is plugged in the combined space face domain formed of the second taper closing in chamber, centered cylinder chamber, described
The starting point in central circular section is located at the lateral surface domain position of the first taper closing in chamber, the first taper closing in chamber
The starting point in starting point and the second taper closing in section is located at same vertical elevation arrangement, the first taper closing in chamber
Face domain from-inner-to-outer composed by inner wall and the outer wall in the second taper closing in section uniformly closes up setting.
It is further characterized by: the length direction center in the first taper flaring section is provided with pair of indent
Middle annular groove is centered in die sleeve by joint outer part centering, and play the role of it is anti-skidding, can be simultaneous with original mould dimensional structure
Hold, at the same increase installation certain length to further groove as anti-slip section, the self-centering stable validity of increase；
The surfaces externally and internally mirror finish processing of the die sleeve inner wall, mold core, is conducive to the stream of material extrusion by 0.2 μm of finish
Freely, reducing high molecular material considerable sticking problems causes mold core mouth to accumulate flow rock problem；
The centered cylinder chamber of the die sleeve is extrusion cavities, and the length of the extrusion cavities is 3mm~5mm, second cone
The length for spending closing in chamber is 3mm, and the taper that taper is 5 °~10 ° can preferably control the pressure in matching die, so that high
Fast-growing has stable extrusion output in producing；
The length of second centered cylinder chamber of the mold core is 5~8mm；
The material of the mold core is high slightly alloy, tungsten alloy or S136, so that the second centered cylinder chamber
The thickness in the central circular section of periphery is small, so that mold core inner space expands, facilitates the air stream in high-speed production
It is logical；The alloy of slight, high polishing high simultaneously can be effectively reduced PBT and form flow rock problem.
After the utility model, by the inner wall of the first taper closing in chamber and the outer wall institute group in the second taper closing in section
At face domain from-inner-to-outer uniformly close up setting so that the uniform extrusion molding of the injection molding material in outside, and due to the second taper closing in chamber
In the presence of, the second taper closing in chamber taper less than the taper of the first taper closing in chamber can so that the injection molding material discharging in outside is smooth
It leans on, further, since the center from-inner-to-outer of mold core is respectively arranged with the first centered cylinder chamber, taper closing in chamber, the second center circle
Column chamber makes the discharging of inside injection molding material smooth reliable, provides a kind of skeining formula optical fiber secondary coating and squeezes tubular type and once squeezes
Molding die tool, not only can guarantee plastic sleeve high speed 600m/min and the above high-speed production demand, but also can solve in high speed manufacturing processes
Buildup causes the problem of bulge in mold core.
Detailed description of the invention
Fig. 1 is the section view figure structure schematic representation of the utility model；
Title corresponding to serial number is as follows in figure:
Mold core 1, die sleeve 2, the first taper closing in chamber 3, the second taper closing in chamber 4, centered cylinder chamber 5, the first centered cylinder
Chamber 6, taper closing in chamber 7, the second centered cylinder chamber 8, the first taper are flared section 9, the second taper closing in section 10, central circular
Section 11, face domain 12, to further groove 13.
Specific embodiment
A kind of anti-bulge mold of plastic sleeve, is shown in Fig. 1: it includes mold core 1, die sleeve 2, and the center from-inner-to-outer of die sleeve 2 is set respectively
It is equipped with the first taper closing in chamber 3, the second taper closing in chamber 4, centered cylinder chamber 5, the taper of the first taper closing in chamber 3 is greater than second
The taper of taper closing in chamber 4, the closing in end of the first taper closing in chamber 3 connect the starting point of the second taper closing in chamber 4, the second cone
Spend the starting point of the closing in end connection centered cylinder chamber 5 of closing in chamber 4, the central axis of mold core 1 and the central axis cloth of die sleeve 2
It sets, the center from-inner-to-outer of mold core 1 is respectively arranged with the first centered cylinder chamber 6, taper closing in chamber 7, the second centered cylinder chamber 8,
The outer peripheral surface from-inner-to-outer of mold core 1 is respectively the first taper flaring section 9, the second taper closing in section 10, central circular section
11, the end that the first taper is flared section 9 connects the starting point in the second taper closing in section 10, the second taper closing in section 10
End connects the starting point in central circular section 11, and the outer end in central circular section 11 is plugged in the second taper closing in chamber 4, center
In the combined space face domain formed of cylindrical cavity 5, the starting point in central circular section 11 is located at the outside of the first taper closing in chamber 3
The starting point in face domain position, the starting point of the first taper closing in chamber 3 and the second taper closing in section 10 is located at same vertical elevation
12 from-inner-to-outer of face domain composed by the outer wall in arrangement, the inner wall of the first taper closing in chamber 3 and the second taper closing in section 10 is equal
Even closing in setting.
The length direction center in the first taper flaring section 9 is provided with the centering annular groove 13 of indent, passes through outside
Connector centering is centered in die sleeve 2, and play the role of it is anti-skidding, can be compatible with original mould dimensional structure, while increasing installation
Certain length is used as anti-slip section to further groove 13, increases self-centering stable validity；
The surfaces externally and internally mirror finish processing of 2 inner wall of die sleeve, mold core 1, is conducive to the smoothness of material extrusion by 0.2 μm of finish,
Reducing high molecular material considerable sticking problems causes mold core mouth to accumulate flow rock problem；
The centered cylinder chamber 5 of die sleeve 2 is extrusion cavities, and the length of extrusion cavities is 3mm~5mm, the second taper closing in chamber 4
Length is 3mm, and the taper that taper is 5 °~10 ° can preferably control the pressure in matching die, so that having in high-speed production
Stable extrusion output；
The length of second centered cylinder chamber 8 of mold core 1 is 5~8mm；
The material of mold core 1 is high slightly alloy, tungsten alloy or S136, so that the periphery of the second centered cylinder chamber 8
The thickness in central circular section 11 is small, so that 1 inner space of mold core expands, facilitates the air circulation in high-speed production；
The alloy of slight, high polishing high simultaneously can be effectively reduced PBT and form flow rock problem.
The face domain from-inner-to-outer as composed by the inner wall of the first taper closing in chamber and the outer wall in the second taper closing in section
It uniformly closes up and is arranged, so that the uniform extrusion molding of the injection molding material in outside, and since the presence of the second taper closing in chamber, the second taper close up
The taper of chamber less than the first taper closing in chamber taper so that the injection molding material discharging in outside is smooth reliable, further, since mold core
Center from-inner-to-outer is respectively arranged with the first centered cylinder chamber, taper closing in chamber, the second centered cylinder chamber, and inside is molded
The discharging of material is smooth reliable, provides a kind of crowded extrusion moulding mold of tubular type of skeining formula optical fiber secondary coating, both can guarantee
Plastic sleeve high speed 600m/min and the above high-speed production demand, and can solve in high speed manufacturing processes that buildup causes bulge in mold core
Problem.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment should not be construed as limiting the practical range of the utility model creation.All create according to the utility model is applied
All the changes and improvements made by range etc., shall still fall within the scope of this patent.
Claims (6)
1. a kind of anti-bulge mold of plastic sleeve, it is characterised in that: it includes mold core, die sleeve, the center from-inner-to-outer point of the die sleeve
It is not provided with the first taper closing in chamber, the second taper closing in chamber, centered cylinder chamber, the taper of the first taper closing in chamber is greater than
The taper of the second taper closing in chamber, the closing in end of the first taper closing in chamber connect the second taper closing in chamber
The closing in end of starting point, the second taper closing in chamber connects the starting point of the centered cylinder chamber, the center of the mold core
The central axis of axis and the die sleeve arrangement, the center from-inner-to-outer of the mold core be respectively arranged with the first centered cylinder chamber,
Taper closing in chamber, the second centered cylinder chamber, the outer peripheral surface from-inner-to-outer of the mold core are respectively the first taper flaring section, second
The end in taper closing in section, central circular section, the first taper flaring section connects the second taper closing in section
Starting point, the end in the second taper closing in section connects the starting point in the central circular section, the central circular
The outer end in section is plugged in the combined space face domain formed of the second taper closing in chamber, centered cylinder chamber, the center
The starting point of ring cross-section is located at the lateral surface domain position of the first taper closing in chamber, the starting of the first taper closing in chamber
The starting point in end and the second taper closing in section is located at same vertical elevation arrangement, the inner wall of the first taper closing in chamber
Face domain from-inner-to-outer composed by outer wall with the second taper closing in section uniformly closes up setting.
2. a kind of anti-bulge mold of plastic sleeve as described in claim 1, it is characterised in that: the length in the first taper flaring section
Degree direction center is provided with the centering annular groove of indent, is centered in die sleeve by joint outer part centering.
3. a kind of anti-bulge mold of plastic sleeve as described in claim 1, it is characterised in that: the die sleeve inner wall, mold core it is inside and outside
Surface mirror finish is handled, and 0.2 μm of finish.
4. a kind of anti-bulge mold of plastic sleeve as described in claim 1, it is characterised in that: the centered cylinder chamber of the die sleeve is
Extrusion cavities, the length of the extrusion cavities are 3mm~5mm, and the length of the second taper closing in chamber is 3mm, taper is 5 °~
10 ° of taper.
5. a kind of anti-bulge mold of plastic sleeve as described in claim 1, it is characterised in that: the second centered cylinder chamber of the mold core
Length be 5~8mm.
6. a kind of anti-bulge mold of plastic sleeve as described in claim 1, it is characterised in that: the material of the mold core is high slight conjunction
Gold, tungsten alloy or S136.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170138.2U CN209534103U (en) | 2018-12-24 | 2018-12-24 | A kind of anti-bulge mold of plastic sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170138.2U CN209534103U (en) | 2018-12-24 | 2018-12-24 | A kind of anti-bulge mold of plastic sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209534103U true CN209534103U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822170138.2U Active CN209534103U (en) | 2018-12-24 | 2018-12-24 | A kind of anti-bulge mold of plastic sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352947A (en) * | 2018-12-24 | 2019-02-19 | 浙江东通物联科技有限公司 | A kind of anti-bulge mold of plastic sleeve |
-
2018
- 2018-12-24 CN CN201822170138.2U patent/CN209534103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352947A (en) * | 2018-12-24 | 2019-02-19 | 浙江东通物联科技有限公司 | A kind of anti-bulge mold of plastic sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191107 Address after: 313009 No. 2299 East strong Garden Road, Nanxun Economic Development Zone, Huzhou, Zhejiang Patentee after: Zhejiang Dongtong optical network IOT Technology Co., Ltd Address before: 313009 No. 2299 East strong Garden Road, Nanxun Economic Development Zone, Huzhou, Zhejiang Patentee before: Zhejiang Dongtong Wulian Technology Co., Ltd. |
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| TR01 | Transfer of patent right |