CN204340029U - Melt feed device, continuous fiber reinforced thermoplastic impregnated tape shaped device - Google Patents
Melt feed device, continuous fiber reinforced thermoplastic impregnated tape shaped device Download PDFInfo
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- CN204340029U CN204340029U CN201420823568.9U CN201420823568U CN204340029U CN 204340029 U CN204340029 U CN 204340029U CN 201420823568 U CN201420823568 U CN 201420823568U CN 204340029 U CN204340029 U CN 204340029U
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Abstract
The utility model relates to a kind of melt feed device, continuous fiber reinforced thermoplastic impregnated tape shaped device, belong to the preparing technical field of continuous fiber reinforced thermoplastic resin based composites, melt feed device comprises sprue, sprue successively with one-level runner, secondary runner and three fraction flow passage, one-level runner separated by sprue and along sprue parallel connection distribution; Continuous fiber reinforced thermoplastic impregnated tape shaped device comprises impregnating unit, arranges described melt feed device and dipping running roller in impregnating unit, wherein, presses down dipping running roller be arranged on directly over the sprue of melt feed device along feedstock direction first.The utility model structure is simple, and fiber preheating speed is fast, efficiency is high, and reduce melt flows resistance and heated time, prepreg tape fiber effect of impregnation is good.
Description
Technical field
The utility model relates to a kind of melt feed device, continuous fiber reinforced thermoplastic impregnated tape shaped device, belongs to the preparing technical field of continuous fiber reinforced thermoplastic resin based composites.
Background technology
Continuous fiber reinforced thermoplastic composite material CFRTP is matrix using continuous fiber as reinforcing material, with thermoplastic resin, the advanced composite material (ACM) of the high strength manufactured by special process, high rigidity, high tenacity.Fortifying fibre due to CFRTP is continuous print, and its mechanical property is far above long fibre and short fiber reinforced thermoplastic composite.
Continuous fiber reinforced thermoplastic resin base impregnated tape adopts proprietary technique, the banded semi-finished product made with the abundant impregnating continuous fibres of thermoplastic resin blend or goods.Fiber is unidirectional or 0/90 bidirectional arrangements, fiber content 40%-80% in band.Plastic content is 60-20%.Feature is high along machine direction hot strength, has exceeded most of high-quality structural steel.Originally, CFRTP is mainly used in the high field of the added value such as Aero-Space and military affairs, and matrix adopts special engineering plastics, as polyether-ether-ketone, polyphenylene sulfide, polyimides etc.; Fiber adopts high-performance fiber, as carbon fiber, aramid fiber etc.But in recent years, market opens to automobile, physical culture, transport, industry and other field gradually, engineering plastics, general-purpose plastics that matrix and fiber adopt price relatively cheap, as nylon, Merlon, polyethylene, polypropylene etc., fiber glass fibre.
Patent CN101474868A, disclose a kind of Preparation equipment of continuous fiber reinforced thermoplastic resin composite material presoaked belt, this equipment comprises creel, tension-adjusting gear, static eraser, preheats baking oven, tension-adjusting gear, two extrusion die, three roller immersion systems, chill roll pressure device and traction coiler device, this equipment adopts staggered two extrusion dies to carry out pre-preg to continuous fiber band.Only adopt and preheat baking oven and heat fiber, air heat, heat transfer efficiency is not high.
Patent CNCN102950780A relates to a kind of preparation facilities and application thereof of continuous fiber reinforced thermoplastic composite material prepreg, this device comprises creel, fibre bundle tension force apparatus for regulating draw-gear, fiber dispersion tension-adjusting gear, pressing shaping equipment, wrap-up, also comprise dipping set composite, described dipping set composite comprises composite roll, two-way flame-spraying head and powder recovering device.The two-way flame-spraying powdered resin of main employing and fiber hot submersion altogether.
Utility model patent CN202895503U discloses the shaping melt impregnation head of a kind of continuous fiber reinforced thermoplastic resin, be provided with melt in head and distribute runner and dipping runner, each discharging opening that melt distributes runner is connected with dipping runner by discharge roller; Dipping runner two ends are access road and exit passageway, arrange at least one group of jockey pulley, arrange at least one group of jockey pulley between exit passageway and discharge roller between access road and discharge roller.The dipping head incoming flow road of this patent adopts the version of multilevel branch, and connect in multi-stage diffluence road, runner is longer.
Utility model content
According to above the deficiencies in the prior art, technical problem to be solved in the utility model is: provide a kind of melt feed device, melt flow channel flow process is short, and reduce melt flows resistance and heated time, prepreg tape fiber effect of impregnation is good.
Another object of the present utility model is: provide a kind of continuous fiber reinforced thermoplastic impregnated tape shaped device, and structure is simple, and fiber preheating speed is fast, efficiency is high.
Melt feed device described in the utility model, comprises sprue, sprue successively with one-level runner, secondary runner and three fraction flow passage, one-level runner separated by sprue and along sprue parallel connection distribution.Sprue progressively diminishes along melt flows orient diameter.
Described sprue diminishes piecemeal along melt flows orient diameter, and wherein, the equal diameters of same section, connects transition by transition chamfering between adjacent segment.
Described sprue is 2% ~ 20% along the diameter amplitude of successively decreasing of the diameter of latter a section relative its last period in melt flows direction.Transition chamfering is 45 ° ~ 60 °.
Described one-level runner, secondary runner and three fraction runners are connected successively, one-level runner, secondary runner and sprue are in same plane, three fraction runners are perpendicular to this plane and be symmetrically distributed in sprue both sides, and three grades of flow passage ends arrange discharging opening.
Continuous fiber reinforced thermoplastic impregnated tape shaped device, comprises impregnating unit, arranges described melt feed device and dipping running roller in impregnating unit, wherein, presses down dipping running roller be arranged on directly over the sprue of melt feed device along feedstock direction first.
Also comprise the pay-off unit, the pre-dispersed unit of preheating, preheating stretching unit, calendering cooling unit and the curling unit of tensioning that set gradually, impregnating unit is arranged between preheating stretching unit and calendering cooling unit.
The pre-dispersed unit of described preheating comprises the pre-dispersed cell enclosure of preheating, its porch arranges the pre-dispersed unit entrance of preheating, its exit arranges the pre-dispersed unit outlet of preheating, and its inside arranges the pre-dispersed running roller of preheating, the pre-dispersed cell enclosure of preheating is arranged the pre-dispersed unit heating jacket of preheating.
Described preheating stretching unit comprises preheating stretching unit shell, its porch arranges the pre-tensioner unit entrance of preheating, its exit arranges the pre-tensioner unit outlet of preheating, and its inside arranges the pre-tensioner running roller of preheating, preheating stretching unit shell is arranged preheating stretching unit heating jacket.
Continuous fiber reinforced thermoplastic impregnated tape forming method, comprises the following steps:
A, drawn by the silvalin on diverse location on creel, enter the pre-dispersed unit of preheating in the horizontal direction, silvalin by the pre-dispersed roller surface slippage of multiple preheating, friction, is drawn after carrying out preliminary preheating and loosen collagen fibre bundle;
B, the silvalin introducing preheating stretching unit will drawn by the pre-dispersed unit of preheating, through the slippage of multiple preheating idler roller wheel surface, friction, draw after carrying out tensioning and further preheating;
C, the silvalin that be drawn by preheating stretching unit is introduced impregnating unit, enter melt feed device dipping, then through each dipping running roller, make fiber force dipping, dispersed in the melt, drawn by impregnating unit mouth mould;
D, the silvalin introducing stack glazing by flooding, cooling, be required impregnated tape, enter tensioning winding unit, impregnated tape is through jockey pulley, final by takers-in rolling, can obtain fiber dispersion evenly, flood good continuous fiber reinforced thermoplastic resin impregnated tape.
The pre-dispersed unit of described preheating, preheating stretching unit, impregnating unit adopt the pre-dispersed unit heating jacket of preheating, preheating stretching unit heating jacket, impregnating unit heating mantle heats respectively, and the heating-up temperature of the pre-dispersed unit heating jacket of preheating, preheating stretching unit heating jacket exceeds impregnating unit heating jacket setting heating-up temperature 10 ~ 50 DEG C.
Compared with prior art, the beneficial effect that the utility model has is:
1, this melt feed device is by adopting parallel runner structure, can significantly shortening runner, and reduce melt flows resistance and heated time, fluidity of molten is good, and discharging is uniform and stable.
2, sprue adopt segmentation and distally diameter reduce structure piecemeal, to improve the pressure of far-end melt, make up the Pressure Drop of far-end melt.
3, this continuous fiber reinforced thermoplastic impregnated tape shaped device can make silvalin just can fully disperse before melt impregnation by the pre-dispersed unit of preheating, by continuous fiber by the pre-dispersed unit of preheating and two the unit heating of preheating stretching unit, fiber is while pre-dispersed and tensioning, directly contact to conduct with roller surface and absorb heat, by the direct heat conduction of running roller, overcome the shortcoming that baking oven air heat transfer efficiency is low, make that fiber preheating speed is fast, efficiency is high, be beneficial to the dipping of fiber.
4, with first, sprue presses down that to flood running roller positive corresponding up and down, three fraction runners and discharging opening divide be located at first pressure dipping running roller both sides, prepreg tape fiber, through out-of-date, contacts with the discharging opening of front side, and resin enters between fibre bundle, the extruding of dipping running roller is pressed down through first, contact with the discharging opening of rear side again, again flood, then repeatedly extrude through follow-up dipping running roller, resin is evenly immersed on fiber fully, and dipping effect is good.
5, the utility model structure is simple, the pre-thermal efficiency of silvalin is high, and melt flow channel flow process is short, flow resistance is little, and prepreg tape fiber impregnation is effective.
Accompanying drawing explanation
Fig. 1 is this continuous fiber reinforced thermoplastic impregnated tape shaped device structural representation;
Fig. 2 is melt feed device top view;
Fig. 3 is melt feed device front view.
In figure: 10, pay-off unit; 11, creel; 12, yarn roller; 13, lower directive wheel; 14, upper directive wheel; 20, the pre-dispersed unit of preheating; 21, the pre-dispersed unit entrance of preheating; 22, preheating pre-dispersed unit observation panel bolt; 23, the pre-dispersed cell enclosure of preheating; 24, the pre-dispersed running roller of preheating; 25, the pre-dispersed unit outlet of preheating; 26, the pre-dispersed unit heating jacket of preheating; 30, preheating stretching unit; 31, preheating stretching unit entrance; 32, preheating stretching unit observation panel bolt; 33, preheating tensioning running roller; 34, preheating stretching unit shell; 35, preheating stretching unit outlet; 36, preheating stretching unit heating jacket; 40, impregnating unit; 41, impregnating unit entrance; 42, first presses down dipping running roller; 43, melt feed device; 44, running roller is flooded; 45, impregnating unit shell; 46, impregnated tape mouth mould; 47, impregnating unit heating jacket; 50, cooling unit is rolled; 51, stack; 52, impregnated tape; 60, tensioning winding unit; 61, jockey pulley; 62, takers-in.4301, sprue; 4302, one-level runner; 4303, secondary runner; 4304, three fraction runners; 4305, discharging opening; 4306, transition chamfering.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in figures 2-3, melt feed device 43 comprises sprue 4301, sprue 4301 is communicated with one-level runner 4302, secondary runner 4303 and three fraction runners 4304 successively, and one-level runner 4301 is separated by sprue 4301 and distributes along sprue 4301 parallel connection.Sprue 4301 progressively diminishes along melt flows orient diameter, diameter variation pattern can be gradual change or decreasing fashion piecemeal, sprue 4301 is divided into multistage by the present embodiment, each section of diameter successively decreases, the equal diameters of same section, the diameter amplitude of successively decreasing along the diameter of latter a section relative its last period in melt flows direction is 2% ~ 20%, and connect transition by transition chamfering 4306 between adjacent segment, transition chamfering 4306 angle is 45 ° ~ 60 °.
One-level runner 4302, secondary runner 4303 and three fraction runners 4304 are connected successively, one-level runner 4302, secondary runner 4303 are in same plane with sprue 4301, three fraction runners 4304 are perpendicular to this plane and be symmetrically distributed in sprue 4301 both sides, and three grades of runner 4304 ends arrange discharging opening 4305.One-level runner 4302 is 1 ~ 4 in the quantity of equal diameter sprue section, as 2, secondary runner 4303 quantity communicated with an one-level runner 4302 is 1 ~ 2, three fraction runner 4304 quantity communicated with a secondary runner 4303 are 1, sprue 4301, one-level runner 4302 and secondary runner 4303 cross section are circle, and three fraction runner 4304 cross sections are square.
As shown in Figure 1, continuous fiber reinforced thermoplastic impregnated tape shaped device, comprises the pay-off unit 10, the pre-dispersed unit of preheating 20, preheating stretching unit 30, impregnating unit 40, calendering cooling unit 50 and the curling unit 60 of tensioning that set gradually.
Pay-off unit 10 comprises creel 11, creel 11 is arranged many row's yarn rollers 12, arrange between pay-off unit 10 and the pre-dispersed unit of preheating 20 and lower directive wheel 13, upper directive wheel 14 are once set, wherein, upper directive wheel 14 is corresponding with preheating pre-dispersed unit 20 entrance to be horizontally disposed with, silvalin is drawn along all angles by yarn roller 12, through the unified direction of lower directive wheel 13, then after upper directive wheel 14 transfers level to, enters the pre-dispersed unit 20 of preheating.
The pre-dispersed unit of preheating 30 comprises the pre-dispersed cell enclosure 23 of preheating, its porch arranges the pre-dispersed unit entrance 21 of preheating, its exit arranges the pre-dispersed unit outlet 25 of preheating, its inside arranges the pre-dispersed running roller 24 of preheating, the pre-dispersed cell enclosure of preheating 23 is arranged the pre-dispersed unit heating jacket 26 of preheating, the pre-dispersed cell enclosure of preheating 23 is also provided with preheating pre-dispersed unit observation panel bolt 22, heated by the pre-dispersed unit heating jacket 26 of preheating, by preheating pre-dispersed running roller 24 heat conduction, conduction efficiency is high.
Preheating stretching unit 30 comprises preheating stretching unit shell 34, its porch arranges the pre-tensioner unit entrance 31 of preheating, its exit arranges the pre-tensioner unit outlet 35 of preheating, its inside arranges the pre-tensioner running roller 33 of preheating, preheating stretching unit shell 34 is arranged preheating stretching unit heating jacket 36, preheating stretching unit shell 34 is also arranged preheating stretching unit observation panel bolt 32, heated by preheating stretching unit heating jacket 36, by preheating tensioning running roller 33 heat conduction, conduction efficiency is high.
Impregnating unit 40 comprises impregnating unit shell 45, its porch arranges impregnating unit entrance 41, its exit arranges impregnated tape mouth mould 46, impregnating unit shell 45 is arranged impregnating unit heating jacket 47, in impregnating unit 40, front portion arranges melt feed device 43, pressing down dipping running roller 42 along feedstock direction first is arranged on directly over the sprue 4301 of melt feed device 43, arranges multiple dipping running roller 44 arranged up and down successively on rear side of melt feed device 43.The heating-up temperature of the pre-dispersed unit heating jacket 26 of preheating, preheating stretching unit heating jacket 36 exceeds impregnating unit heating jacket 47 and sets heating-up temperature 10 ~ 50 DEG C.
In calendering cooling unit 50, stack 51 is set, jockey pulley 61 and takers-in 62 are set in tensioning winding unit 60.
Continuous fiber reinforced thermoplastic impregnated tape forming method, comprises the following steps:
A, drawn by the silvalin on diverse location on creel 11, enter the pre-dispersed unit 20 of preheating in the horizontal direction, silvalin by multiple preheating pre-dispersed running roller 24 surface sliding, friction, is drawn after carrying out preliminary preheating and loosen collagen fibre bundle;
B, the silvalin introducing preheating stretching unit 30 will drawn by the pre-dispersed unit of preheating, through multiple preheating tensioning running roller 33 surface sliding, friction, draw after carrying out tensioning and further preheating;
C, the silvalin that be drawn by preheating stretching unit 30 is introduced impregnating unit 40, enter melt feed device 43 and flood, then through each dipping running roller 44, make fiber force dipping, dispersed in the melt, drawn by impregnating unit mouth mould 46;
D, silvalin introducing stack 51 glazing by flooding, cooling, be required impregnated tape, enter tensioning winding unit 60, impregnated tape is through jockey pulley 61, final by takers-in 62 rolling, can obtain fiber dispersion evenly, flood good continuous fiber reinforced thermoplastic resin impregnated tape.
Claims (8)
1. a melt feed device, comprise sprue (4301), it is characterized in that: sprue (4301) is communicated with one-level runner (4302), secondary runner (4303) and three fraction runners (4304) successively, one-level runner (4301) is separated by sprue (4301) and distributes along sprue (4301) parallel connection.
2. melt feed device according to claim 1, it is characterized in that: described sprue (4301) diminishes piecemeal along melt flows orient diameter, wherein, the equal diameters of same section, connects transition by transition chamfering (4306) between adjacent segment.
3. melt feed device according to claim 2, is characterized in that: described sprue (4301) is 2% ~ 20% along the diameter amplitude of successively decreasing of the diameter of latter a section relative its last period in melt flows direction.
4. according to the arbitrary described melt feed device of claims 1 to 3, it is characterized in that: described one-level runner (4302), secondary runner (4303) and three fraction runners (4304) are connected successively, one-level runner (4302), secondary runner (4303) and sprue (4301) are in same plane, three fraction runners (4304) are perpendicular to this plane and be symmetrically distributed in sprue (4301) both sides, and three grades of runner (4304) ends arrange discharging opening (4305).
5. one kind adopts the continuous fiber reinforced thermoplastic impregnated tape shaped device of melt feed device as claimed in claim 1, comprise impregnating unit (40), it is characterized in that: described melt feed device (43) and dipping running roller (44) are set in impregnating unit (40), wherein, press down dipping running roller (42) along feedstock direction first to be arranged on directly over the sprue (4301) of melt feed device (43).
6. continuous fiber reinforced thermoplastic impregnated tape shaped device according to claim 5, it is characterized in that: also comprise set gradually pay-off unit (10), the pre-dispersed unit of preheating (20), preheating stretching unit (30), calendering cooling unit (50) and the curling unit of tensioning (60), impregnating unit (40) is arranged on preheating stretching unit (30) and rolls between cooling unit (50).
7. continuous fiber reinforced thermoplastic impregnated tape shaped device according to claim 6, it is characterized in that: the pre-dispersed unit of described preheating (30) comprises the pre-dispersed cell enclosure of preheating (23), its porch arranges the pre-dispersed unit entrance (21) of preheating, its exit arranges pre-dispersed unit outlet (25) of preheating, its inside arranges the pre-dispersed running roller of preheating (24), the pre-dispersed cell enclosure of preheating (23) is arranged the pre-dispersed unit heating jacket (26) of preheating.
8. continuous fiber reinforced thermoplastic impregnated tape shaped device according to claim 6, it is characterized in that: described preheating stretching unit (30) comprises preheating stretching unit shell (34), its porch arranges the pre-tensioner unit entrance (31) of preheating, its exit arranges pre-tensioner unit outlet (35) of preheating, its inside arranges the pre-tensioner running roller of preheating (33), preheating stretching unit shell (34) is arranged preheating stretching unit heating jacket (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823568.9U CN204340029U (en) | 2014-12-23 | 2014-12-23 | Melt feed device, continuous fiber reinforced thermoplastic impregnated tape shaped device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420823568.9U CN204340029U (en) | 2014-12-23 | 2014-12-23 | Melt feed device, continuous fiber reinforced thermoplastic impregnated tape shaped device |
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| CN204340029U true CN204340029U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420823568.9U Withdrawn - After Issue CN204340029U (en) | 2014-12-23 | 2014-12-23 | Melt feed device, continuous fiber reinforced thermoplastic impregnated tape shaped device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441323A (en) * | 2014-12-23 | 2015-03-25 | 谭洪生 | Melt feeding device, and device and method for forming continuous fiber reinforced thermoplastic impregnated belts |
| CN111923446A (en) * | 2020-10-09 | 2020-11-13 | 山东国维复合材料科技有限公司 | Wide-width continuous fiber thermoplastic resin pre-impregnation equipment and production process thereof |
-
2014
- 2014-12-23 CN CN201420823568.9U patent/CN204340029U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441323A (en) * | 2014-12-23 | 2015-03-25 | 谭洪生 | Melt feeding device, and device and method for forming continuous fiber reinforced thermoplastic impregnated belts |
| CN104441323B (en) * | 2014-12-23 | 2017-05-10 | 谭洪生 | Melt feeding device, and device and method for forming continuous fiber reinforced thermoplastic impregnated belts |
| CN111923446A (en) * | 2020-10-09 | 2020-11-13 | 山东国维复合材料科技有限公司 | Wide-width continuous fiber thermoplastic resin pre-impregnation equipment and production process thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20170510 |
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| AV01 | Patent right actively abandoned |