CN104608401A - Preparation method of fiber-reinforced composite mandrel - Google Patents
Preparation method of fiber-reinforced composite mandrel Download PDFInfo
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- CN104608401A CN104608401A CN201510019569.7A CN201510019569A CN104608401A CN 104608401 A CN104608401 A CN 104608401A CN 201510019569 A CN201510019569 A CN 201510019569A CN 104608401 A CN104608401 A CN 104608401A
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- baking oven
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- thermoplastic resin
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Abstract
The invention discloses a preparation method of a fiber-reinforced composite mandrel. During production, thermoplastic resin fibers and glass fibers on a fiber support are bundled and then guided to the upper end of an oven through a bundle guiding tube; after the preheating temperature of the oven reaches the preset temperature, the thermoplastic resin fibers and the glass fibers are fed into the oven at the preset speed, and the process can be monitored and operated on an operating platform; when the thermoplastic resin fibers are molten and infiltrated into the glass fibers in the oven, the molten thermoplastic resin fibers are prevented from dropping under the action of a segmented automatic temperature control assembly, and a composite fiber enters a corresponding extruding mold after molten through a funnel-shaped channel; the composite fiber is pulled and extruded into a mandrel material through the extruding mold under actions of the gravity and the traction force of a traction device; the mandrel material enters a measurement device under the traction of the traction device for inspection after cooled through cooling water, is wound after inspected to be qualified, and is packaged after cut as per specifications.
Description
Technical field
The invention belongs to optical cable strengthening core field, be specifically related to a kind of preparation method of fiber-reinforced composite plug.
Background technology
In existing market, the nonmetal bracing piece of extensive use fiber reinforcement has Basalt fiber reinforced plastic bar and aromatic polyamide fiber reinforced plastics bar, Basalt fiber reinforced plastic bar (BFRP) is owing to being inorganic fiber reinforced composite material, there is minimum bending radius large, frangibility and be combined the problems such as difference with protecting sleeve of optical cable, limits its application in nonconductive optical fiber cable and indoor optical cable; Aromatic polyamide fiber reinforced plastics bar (KFRP) is although have relatively low bending radius, but material expression power is crisp and import price is higher and the production domesticization of aramid fiber low production popularity rate is low in its application, also exists and be combined with Cable jacket materials problems such as differing from.Production technology of the prior art is mainly after silvalin impregnated with thermoset resin through mold cured pultrusion, the major defect of this pultrusion is the slow general 2-3m per minute of pultrusion speed and the inconsistent easy appearance solidification bad phenomenon of shaping rear properties of product, current pultrusion thermosetting resin mainly adopts vinyl epoxy, due to vinyl epoxy adopt styrene as solvent styrene volatility more greatly suspect carcinogen, have when stimulation and anesthetic effect high concentration the eyes of human body and upper respiratory tract mucosa and can cause human body acute poisoning, serious harm is had to environment, to water body, soil and air can pollute.And it is not FRP core is thermoset resin based materials, recyclable, pliability is poor.
Summary of the invention
The object of the invention is to provide a kind of preparation method that can solve conventional thermosetting resin-based strengthening core material and be difficult to degrade, waste product is difficult to recovery, production process produces the fiber reinforced plastics pole of poisonous fume.
For realizing above-mentioned technical purpose, use following technical scheme:
A preparation method for fiber-reinforced composite plug, comprises the following steps:
1. the composite fibre after 10-50 stock 1000tex thermoplastic resin fibre and glass fibre boundling is drawn to baking oven upper end by leading beam tube.
2. baking oven is preheated to 160 DEG C-300 DEG C.
3. composite fibre is entered baking oven with the speed of 0.1-20m/min.
4. the speed by thermoplastic resin fibre's melting and with 0.1-20m/min after sized glass fibres enters extrusion molding mould, and composite fibre becomes mandrel material along extrusion molding mould pultrusion under the effect of self gravitation with tractive force.
5. mandrel material pultrusion gone out guides to enter in bosh and cools.
6. cooled mandrel material is led by draw-gear and carry out passed examination into measurement mechanism.
7. by the mandrel material rolling of passed examination and by packaging after specification cutting.
Described thermoplastic resin fibre is PA (polyamide), ABS (ABS resin), PP (acrylic resin), PET (polyester resin), PPS (polyphenylene sulfide) wherein at least one mix, glass fiber weight is than for 60%-70%.
Be provided with funnel bottom described baking oven, the funnel-shaped passage of funnel respectively with extrusion molding mould one_to_one corresponding.More even, perfect when making thermoplastic resin fibre's sized glass fibres.
Described funnel is provided with at least two funnel-shaped passage.Make equipment can carry out machine-shaping to many group composite fibres simultaneously.
Described baking oven is diameter 300-500mm, cylindric highly for 500-2000mm.
Described extrusion molding mould is the circular channel mould that diameter 1-20mm overlaps with gravity direction, and is embedded in baking oven bottom.
Described measurement mechanism is roller type meter, adds noctovisor scan metering device, and infrared (laser) diameter repetition measurement device.
Described draw-gear is how anti-skidding rubber roll cylinder extruding draw-gear, and leading beam tube is stainless steel tube or plastic tube.
Heating component in described baking oven is provided with the automatic temperature-controlled assembly of segmentation.Make in baking oven, effectively to prevent the thermoplastic resin fibre of melting to drip.
Described oven side wall is provided with half arc side door.Make baking oven at side opening, wiring of entrying can be convenient to, cleaning, and change baking oven heating accessory etc.
Beneficial effect of the present invention is: the present invention adopts composite fibre as raw material, does not need to add resin, reduces costs and can not produce poisonous fume as in conventional thermosetting resin curing process in production process.What technique adopted is the moulding process of vertical tower vertical oven and mould, compared with the horizontal form of conventional thermosetting plug, reduces the drippage of resin, saves raw material, and workshop can be made to keep clean clean, ensures enterprise employee health.Obtained core, intensity is high, good toughness, corrosion-resistant, lightweight, and linear expansion coefficient is little, long service life and waste product degradable, recycles, realizes environmental protection.
Accompanying drawing explanation
Fig. 1 is operative installations structural representation of the present invention.
In accompanying drawing: 1-fiber mounting, 2-operating platform, 3-bosh, 4-composite fibre, 5-leads beam tube, 6-baking oven, 7-extrusion molding mould, 8-draw-gear, 9-mandrel material, 10-measurement mechanism.
Detailed description of the invention
Embodiment one:
As shown in Figure 1, a kind of preparation method of fiber-reinforced composite plug, comprises the following steps:
1. the composite fibre 4 after 10 gangs of 1000tex thermoplastic resin fibres and glass fibre boundling is drawn to baking oven 6 upper end by leading beam tube 5.
2. baking oven 6 is preheated to 160 DEG C.
3. composite fibre 4 is entered baking oven 6 with the speed of 0.1m/min.
4. thermoplastic resin fibre's melting is entered extrusion molding mould 7 with the speed of 0.1m/min after sized glass fibres, composite fibre 4 becomes mandrel material 9 along extrusion molding mould 7 pultrusion under the effect of self gravitation with tractive force.
5. the mandrel material 9 pultrusion gone out guides to enter in bosh 3 and cools.
6. cooled mandrel material 9 is led by draw-gear 8 and carry out passed examination into measurement mechanism 10.
7. by mandrel material 9 rolling of passed examination and by packaging after specification cutting.
Embodiment two:
A preparation method for fiber-reinforced composite plug, comprises the following steps:
1. the composite fibre 4 after 50 gangs of 1000tex thermoplastic resin fibres and glass fibre boundling is drawn to baking oven 6 upper end by leading beam tube 5.
2. baking oven 6 is preheated to 300 DEG C.
3. composite fibre 4 is entered baking oven 6 with the speed of 20m/min.
4. thermoplastic resin fibre's melting is entered extrusion molding mould 7 with the speed of 20m/min after sized glass fibres, composite fibre 4 becomes mandrel material 9 along extrusion molding mould 7 pultrusion under the effect of self gravitation with tractive force.
5. the mandrel material 9 pultrusion gone out guides to enter in bosh 3 and cools.
6. cooled mandrel material 9 is led by draw-gear 8 and carry out passed examination into measurement mechanism 10.
7. by mandrel material 9 rolling of passed examination and by packaging after specification cutting.
Embodiment three:
A preparation method for fiber-reinforced composite plug, comprises the following steps:
1. the composite fibre 4 after 30 gangs of 1000tex thermoplastic resin fibres and glass fibre boundling is drawn to baking oven 6 upper end by leading beam tube 5.
2. baking oven 6 is preheated to 200 DEG C.
3. composite fibre 4 is entered baking oven 6 with the speed of 10m/min.
4. thermoplastic resin fibre's melting is entered extrusion molding mould 7 with the speed of 10m/min after sized glass fibres, composite fibre 4 becomes mandrel material 9 along extrusion molding mould 7 pultrusion under the effect of self gravitation with tractive force.
5. the mandrel material 9 pultrusion gone out guides to enter in bosh 3 and cools.
6. cooled mandrel material 9 is led by draw-gear 8 and carry out passed examination into measurement mechanism 10.
7. by mandrel material 9 rolling of passed examination and by packaging after specification cutting.
Described thermoplastic resin fibre is PA (polyamide), ABS (ABS resin), PP (acrylic resin), PET (polyester resin), PPS (polyphenylene sulfide) wherein at least one mix, glass fiber weight is than for 60%-70%.Be provided with funnel bottom described baking oven 6, the funnel-shaped passage of funnel respectively with extrusion molding mould 7 one_to_one corresponding.More even, perfect when making thermoplastic resin fibre's sized glass fibres.Described funnel is provided with at least two funnel-shaped passage.Make equipment can carry out machine-shaping to many group composite fibres 4 simultaneously.Described baking oven 6 is diameter 300-500mm, cylindric highly for 500-2000mm.Described extrusion molding mould 7 is the circular channel mould that diameter 1-20mm overlaps with gravity direction, and is embedded in baking oven 6 bottom.Described measurement mechanism 10 is roller type meter, adds noctovisor scan metering device, and infrared (laser) diameter repetition measurement device.Described draw-gear 8 is how anti-skidding rubber roll cylinder extruding draw-gear 8, and leading beam tube 5 is stainless steel tube or plastic tube.Heating component in described baking oven 6 is provided with the automatic temperature-controlled assembly of segmentation.Make can effectively prevent the thermoplastic resin fibre of melting to drip in baking oven 6.Described baking oven 6 sidewall is provided with half arc side door.Make baking oven 6 at side opening, wiring of entrying can be convenient to, cleaning, and replacing baking oven 6 heat accessory etc.
In process of production, baking oven 6 upper end is guided to after the thermoplastic resin fibre in fiber mounting 1 and glass fibre boundling by derivative beam tube.When baking oven 6 preheat temperature reaches preset temperature, thermoplastic resin fibre and glass fibre are entered baking oven 6 with pre-set velocity, this process can carry out monitoring and operating at operating platform 2.Thermoplastic resin fibre in baking oven 6 melting and sized glass fibres time under the effect of the automatic temperature-controlled assembly of segmentation, prevent the thermoplastic resin fibre of melting to drip, thermoplastic resin fibre in baking oven 6 melting and sized glass fibres time further ensure that melting is more even, perfect by the funnel-shaped passage of funnel, composite fibre 4 is from entering corresponding extrusion molding mould 7 after funnel-shaped passage completes melting.Composite fibre 4 becomes mandrel material 9 by extrusion molding mould 7 pultrusion under the tractive force of self gravitation with draw-gear 8.Check entering measurement mechanism 10 under the traction of mandrel material 9 by draw-gear 8 again after water quench, rolling after passed examination is also by packaging after specification cutting.
Claims (10)
1. a preparation method for fiber-reinforced composite plug, is characterized in that: comprise the following steps:
1. the composite fibre (4) after 10-50 stock 1000tex thermoplastic resin fibre and glass fibre boundling is drawn to baking oven (6) upper end by leading beam tube (5);
2. baking oven (6) is preheated to 160-300 DEG C;
3. composite fibre (4) is entered baking oven (6) with the speed of 0.1-20m/min;
4. thermoplastic resin fibre's melting is entered extrusion molding mould (7) with the speed of 0.1-20m/min after sized glass fibres, composite fibre (4) becomes mandrel material (9) along extrusion molding mould (7) pultrusion under the effect of self gravitation with tractive force;
5. the mandrel material (9) pultrusion gone out guides to enter in bosh (3) and cools.
2. the preparation method of fiber-reinforced composite plug as claimed in claim 1, it is characterized in that: described thermoplastic resin fibre is polyamide, ABS resin, acrylic resin, polyester resin, polyphenylene sulfide wherein at least one mix, glass fiber weight is than for 60%-70%.
3. the preparation method of fiber-reinforced composite plug as claimed in claim 1, is characterized in that: described baking oven (6) bottom is provided with funnel, the funnel-shaped passage of funnel respectively with extrusion molding mould (7) one_to_one corresponding.
4. the preparation method of fiber-reinforced composite plug as claimed in claim 3, is characterized in that: described funnel is provided with at least two funnel-shaped passage.
5. the preparation method of fiber-reinforced composite plug as described in as arbitrary in claim 1-4, is characterized in that: described baking oven (6) is diameter 300-500mm, cylindric highly for 500-2000mm.
6. the preparation method of fiber-reinforced composite plug as described in as arbitrary in claim 3-4, it is characterized in that: the circular channel mould that described extrusion molding mould (7) overlaps with gravity direction for diameter 1-20mm, and be embedded in baking oven (6) bottom.
7. the preparation method of fiber-reinforced composite plug as claimed in claim 1, is characterized in that: described measurement mechanism (10) is roller type meter, adds noctovisor scan metering device, and infrared (laser) diameter repetition measurement device.
8. the preparation method of fiber-reinforced composite plug as claimed in claim 1, is characterized in that: described draw-gear (8) is how anti-skidding rubber roll cylinder extruding draw-gear (8), leads beam tube (5) for stainless steel tube or plastic tube.
9. as described in as arbitrary in claim 1-4, the preparation method of fiber-reinforced composite plug, is characterized in that: the heating component in described baking oven (6) is provided with the automatic temperature-controlled assembly of segmentation.
10. as described in as arbitrary in claim 1-4, the preparation method of fiber-reinforced composite plug, is characterized in that: described baking oven (6) sidewall is provided with half arc side door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019569.7A CN104608401A (en) | 2015-01-14 | 2015-01-14 | Preparation method of fiber-reinforced composite mandrel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019569.7A CN104608401A (en) | 2015-01-14 | 2015-01-14 | Preparation method of fiber-reinforced composite mandrel |
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| CN104608401A true CN104608401A (en) | 2015-05-13 |
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| CN201510019569.7A Pending CN104608401A (en) | 2015-01-14 | 2015-01-14 | Preparation method of fiber-reinforced composite mandrel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626447A (en) * | 2017-03-17 | 2017-05-10 | 远东电缆有限公司 | Pultrusion device and pultrusion process for thermoplastic substrate layer production |
| CN106945321A (en) * | 2016-01-06 | 2017-07-14 | 余姚市创辉树脂笔头厂 | A kind of microporous fibre bar preparation method |
| CN114834077A (en) * | 2022-04-24 | 2022-08-02 | 国网电力科学研究院武汉南瑞有限责任公司 | Light insulating composite core rod and preparation method thereof |
-
2015
- 2015-01-14 CN CN201510019569.7A patent/CN104608401A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945321A (en) * | 2016-01-06 | 2017-07-14 | 余姚市创辉树脂笔头厂 | A kind of microporous fibre bar preparation method |
| CN106626447A (en) * | 2017-03-17 | 2017-05-10 | 远东电缆有限公司 | Pultrusion device and pultrusion process for thermoplastic substrate layer production |
| CN114834077A (en) * | 2022-04-24 | 2022-08-02 | 国网电力科学研究院武汉南瑞有限责任公司 | Light insulating composite core rod and preparation method thereof |
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Application publication date: 20150513 |