CN106346636B - A kind of vibration dispersion dipping glass LFT manufacturing equipments and the LFT preparation methods using the equipment - Google Patents
A kind of vibration dispersion dipping glass LFT manufacturing equipments and the LFT preparation methods using the equipment Download PDFInfo
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- CN106346636B CN106346636B CN201610750658.3A CN201610750658A CN106346636B CN 106346636 B CN106346636 B CN 106346636B CN 201610750658 A CN201610750658 A CN 201610750658A CN 106346636 B CN106346636 B CN 106346636B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
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Abstract
The invention discloses a kind of vibration dispersions to impregnate glass LFT manufacturing equipments, its key points of the technical solution are that：Including impregnating mechanism, the impregnating mechanism includes the accommodating cylinder for having heating function, impregnation chamber is equipped in the accommodating cylinder, one end of the accommodating cylinder is connected with the feeding end for conveying polymer and glass into the impregnation chamber respectively, the other end of the accommodating cylinder is connected with the discharge end for output glass after dipping out of described impregnation chamber, the impregnating mechanism further includes that one end passes through the feeding end to extend into the conduct vibrations stick in the impregnation chamber, and the conduct vibrations stick is used to make glass disperse by polymer conductive vibration.The present invention provides a kind of vibration dispersion and impregnates glass LFT manufacturing equipments, and the preparation method of application above equipment, glass good dispersion, is not easily broken in dipping, and glass interfascicular is effectively prevent to interfere with each other, is suitable for common and special glass production, continuous production is good.
Description
【Technical field】
The present invention relates to the LFT preparation methods of a kind of vibration dispersion dipping glass LFT manufacturing equipments and the application equipment.
【Background technology】
The production technology of (fire-retardant) the enhancing thermoplastic polymer of glass is that double screw extruder squeezes out and LFT is (long fine at present
Dimension enhancing thermoplastic material, the abbreviation of English Long Fiber reinforced Thermoplastics) based on technique, LFT
There is fiberglass reinforced material caused by technique good physical performance, stretch bending intensity to have 1.3~1.5 times relative to expressing technique
Promotion, notch impact strength has 2~3 times of promotion, to expand the application of fiberglass reinforced plastics, due to existing LFT works
Skill production is more complicated, apparent despite advance, but there is no popularization and applications, at present only in polypropylene (PP) and polyamide
(PA) based on being applied on, and the ratio for accounting for fiberglass reinforced PP and PA is very low, and in terms of production cost, the special glasses of LFT are current
Unit price about 9000 yuan/ton, and squeeze out special glass be 6000 yuan/ton, with 30% glass fiber reinforced materials calculate, glass per ton at
Originally 900 yuan are increased, due to complex process and production cost are higher etc., limits the LFT techniques in the general of modified plastics
And application, how to simplify LFT production technologies, reduce production cost, further increasing the performance of glass fiber reinforced materials just becomes mesh
Preceding improved purpose.
In terms of production technology, the dispersion of existing LFT techniques glass is to generate tension to glass by jockey pulley, it is made to dissipate
It opens and carries out impregnating dispersion in impregnation chamber with polymer, coat glass to reach polymer uniform, but only pass through tension in this way
The effect that roller generates tension dispersion glass is extremely limited, while jockey pulley can also be such that glass is broken, and be dissipated to generate
Random glass seriously affects glass passing through in impregnation chamber, increases glass beam and fractures probability, after glass beam fractures,
If you need to resume production again, needing to shut down, and dismantle impregnation chamber, glass conveying could be restored again later by cleaning out polymer,
This process is very complicated.
Incomplete dipping and very distinct issues, other than influencing the physical property of material, since glass does not have
There is thorough impregnation, there is glass to be scattered after material pelletizing, when injection molding is dried, glass can be flown upward, and cause the skin of operator
Phenomena such as allergy, discomfort.
Existing LFT dippings are disperseed naturally by tension, and the special glasses of LFT, the glass need to be selected to be easy under tension
Dispersion makes polymer be easy to complete dipping in impregnation chamber, but the glass production cost is high, and dipping effect is not good enough.
【Invention content】
Purpose of the present invention is to overcome deficiency in the prior art, a kind of vibration dispersion dipping glass LFT manufacturing equipments are provided,
Glass good dispersion is not easily broken in dipping, and glass interfascicular is effectively prevent to interfere with each other, and is suitable for common and special glass life
Production, continuous production are good.
The present invention also provides a kind of methods preparing LFT using above-mentioned manufacturing equipment.
The present invention is achieved by the following technical solutions：
A kind of vibration dispersion dipping glass LFT manufacturing equipments, it is characterised in that：Including impregnating mechanism, the impregnating mechanism
Include the accommodating cylinder with heating function, impregnation chamber is equipped in the accommodating cylinder, one end of the accommodating cylinder is connected with for dividing
Convey the feeding end of polymer and glass not into the impregnation chamber, the other end of the accommodating cylinder is connected with for from the leaching
The discharge end of stain intracavitary output glass after dipping, the impregnating mechanism further includes that one end is extended into across the feeding end
Conduct vibrations stick in the impregnation chamber, the conduct vibrations stick are used to make glass disperse by polymer conductive vibration.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：Along glass in the impregnation chamber
Fine conveying direction is equipped with a plurality of rib for protruding from its inner wall, and the rib is uniformly distributed in gear-like, is equipped between the rib
The glass dispersion slot for transmitting for glass and being impregnated with mixed with polymers.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：The conduct vibrations stick
The other end is connected with vibratory drive mechanism, and the vibratory drive mechanism is supersonic generator, and the glass dispersion slot is described in
Conduct vibrations stick side is uniformly distributed.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：The feeding end is equipped with
For the glass entrance that the glass penetrates, the glass entrance is identical as the conveying direction of impregnation chamber, in the glass entrance
Heart line is overlapped with the central axes of the glass dispersion slot.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：It is also set on the feeding end
There is the polymer inlet vertical with the conveying direction of the impregnation chamber, is arranged in the glass entrance for being oriented to entering for glass
Expect guide member, polymer after the polymer inlet by passing through pan feeding guide member gap to enter in the impregnation chamber, institute
It states and is equipped with pan feeding guide hole in pan feeding guide member, the central axes weight of the center line of the pan feeding guide hole and the glass dispersion slot
It closes.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：The discharge end is equipped with
For the discharge port that glass exports after dipping, the discharging guide member for being oriented to glass is arranged in the discharge port, it is described
The guide member that discharges is equipped with discharging guide hole, the center line of the discharging guide hole and the central axes weight of the glass dispersion slot
It closes.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：The glass dispersion slot
Bottom is equipped with and protrudes from its inner wall and towards the auxiliary projection of the conduct vibrations stick, the auxiliary projection surface is round and smooth smoother.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：In the glass dispersion slot
Auxiliary projection have multiple, the auxiliary projection is located at the axis side of the conduct vibrations stick and the oscillation of conduct ultrasound generator
Amplitude maximum.
A kind of vibration dispersion as described above impregnates glass LFT manufacturing equipments, it is characterised in that：The glass entrance and go out
Material mouth, which corresponds to the glass dispersion slot, to be had multiple, and the corresponding glass entrance, glass dispersion slot and discharge port are vertical successively
Connection.
A method of preparing LFT using above-mentioned manufacturing equipment, it is characterised in that：It comprises the steps of：
A. the glass beam after drying is entered into impregnation chamber across feeding end, and is exported by traction through discharge end；
B. conduct vibrations stick is passed through into feeding end, be inserted at the center of impregnation chamber；
C. polymer is mixed with auxiliary agent, after double screw extruder melts, is transported in impregnating mechanism；
D. the polymer through double screw extruder extrusion molten enters impregnation chamber by feeding end, and cylinder is housed in dipping process
Temperature divides three stage control, and it is 180~280 DEG C to maintain temperature；
E. glass beam sequentially passes through glass entrance, glass dispersion slot and discharge port, only has in the slot in glass dispersion slot
Glass beam carry out dipping with polymer and mix；
F. while polymer is mixed with glass Shu Jinhang dippings, vibrating head is by polymer by conduct vibrations to glass
Beam makes the dispersion of glass beam be mixed with polymer impregnated；
G. the glass beam through being impregnated with mixed with polymers is exported across discharge end；
H. after cooling, pelletizing, vibrating dust removing, packaging.
Compared with prior art, the present invention has the following advantages：
1, a kind of vibration dispersion of the invention impregnates glass LFT manufacturing equipments, ultrasonic wave is applied, in molten polymer
There are good peptizaiton, ultrasonic wave to act on vibration wave in glass by molten polymer, makes glass in not tension
The lower dispersion of effect, molten polymer also under the action of vibration wave, are scattered between glass well, make glass and polymer very
It is good to complete dipping, it is vibrated by introducing, so that glass is fully scattered with the vibration of polymer, extrusion also can adequately be soaked with glass
Stain makes the more readily dispersible dipping of glass, when selecting extrusion roving glass fiber, the monofilament of the glass is straight by introducing external vibration
Diameter is 13 microns, and the filament diameter of the special glasses of LFT is 17 microns, increases the contact area of glass and polymer, thus
Under the conditions of same glass fiber content, the physical property of Glass Fiber Reinforced Polymer, present apparatus deft design, device interpolymer are increased
Storage it is few, rate flow is fast, reduces the degradation of polymer, to promote the physical property of LFT products；
2, a kind of vibration dispersion of the invention impregnates glass LFT manufacturing equipments, glass entrance, impregnation chamber and discharge port it is defeated
Send direction identical, vertical connection, and correspond, the glass entered through glass entrance is directly entered in glass dispersion slot, is avoided
Glass is bent, and reduces the risk that glass wrecks, and cancel closedown situation is reduced, even if can be light if when glass entrance blocks
Pan feeding guide member and discharging guide member, quickly clean feeding end, glass dispersion slot and discharge end, reduce different under loose unloading
The repairing intensity often shut down, saves the repairing time；
3, a kind of vibration dispersion of the invention impregnates glass LFT manufacturing equipments, can not only meet the LFT productions of special glass
Dipping demand can also be used cooperatively the slightly worse general thermoplasticity glass production of glass beam dispersibility, still can ensure glass point
It is good to dissipate property, has higher product qualification rate, application range is wider, significantly reduces production cost；
4, a kind of vibration dispersion of the invention impregnates glass LFT manufacturing equipments, and design impregnation chamber is arc-shaped structure, is used
Dispersion force uniform force of the glass in dipping process can uniformly carry out dip operation with polymer, and convex using assisting
The spacing for further shortening glass and conduct vibrations stick is played, plays the dispersion effect of ultrasonic vibration to greatest extent, ensures product
Quality；
5, a kind of of the present invention prepares LFT methods, and special roving glass fiber progress LFT technique productions are squeezed out due to can be used, from
And the production range of the technique further expands, and expands the category of LFT technique productions modified high-molecular polymer, favorably
In the promotion of the physical property of modified plastics, to reduce the usage amount of down-stream enterprise's raw material, be good for the environment with it is energy saving.
【Description of the drawings】
Fig. 1 is stereogram of the present invention；
Fig. 2 is decomposition diagram of the present invention；
Fig. 3 is decomposition diagram of the present invention；
Fig. 4 is decomposition diagram of the present invention；
Fig. 5 is decomposition diagram of the present invention；
Fig. 6 is diagrammatic cross-section of the present invention；
Fig. 7 is diagrammatic cross-section of the present invention；
Fig. 8 is diagrammatic cross-section of the present invention；
Fig. 9 is diagrammatic cross-section of the present invention；
Figure 10 is diagrammatic cross-section of the present invention；
Figure 11 is diagrammatic cross-section of the present invention.
【Specific implementation mode】
A kind of vibration dispersion as shown in Figs. 1-3 impregnates glass LFT manufacturing equipments, including impregnating mechanism 1, the impregnator
Structure 1 includes the accommodating cylinder 11 for having heating function, and impregnation chamber 2 is equipped in the accommodating cylinder 11, and one end of the accommodating cylinder 11 connects
It is connected to the feeding end 3 for conveying polymer and glass into the impregnation chamber 2 respectively, the other end connection of the accommodating cylinder 11
It is useful for the discharge end 4 of output glass after dipping out of the impregnation chamber 2, the impregnating mechanism 1 further includes that one end passes through
The feeding end 3 extends into the conduct vibrations stick 6 in the impregnation chamber 2, and the conduct vibrations stick 6 is for passing through polymer conductive
Vibration makes glass disperse.When glass in impregnation chamber is impregnated with mixed with polymers, conduct vibrations stick is by polymer by vibration wave
It acts on glass beam, glass fiber bundle is made to be well-dispersed in polymer, can be sufficiently impregnated mixing with polymer, the application
Configuration can guarantee good dipping effect, the physical property of modified plastics be greatly improved, simultaneously because the not destruction of tension
Effect, glass beam are not easily broken, and continuous production is good, and the amplitude transformer of similar ultrasonic generator can be used in vibrations conducted rod,
It is vibration source conduction vibration by supersonic generator, it can also be by other vibration source conduction vibrations, such as vibrating motor, bent wheel
Deng being used as vibration source, accommodating cylinder 11 to have the function of heat stepwise, it is top temperature control segment 91 to house cylinder 11 close to the position of feeding end,
Accommodating cylinder middle section position is middle part temperature control segment 92, and it is lower part temperature control segment 93 to house cylinder close to discharging end position, and temperature sets basis
Depending on the difference of polymer, it can preferably promote the dipping (as shown in table 1) of glass and polymer.
It is equipped with a plurality of rib 21 for protruding from its inner wall along glass conveying direction in the impregnation chamber 2, the rib 21 is in
Gear-like is uniformly distributed, and the glass dispersion slot 5 for transmitting for glass and being impregnated with mixed with polymers is equipped between the rib 21.Glass
Fine dispersion slot be set to impregnation chamber in rib between, rib and glass dispersion slot are uniformly distributed, and glass dispersion slot respectively with leaching
Stain chamber is connected to, and glass dispersion slot cross section is rendered as equally distributed quincunx gear-like, in every glass dispersion slot one or
Multi beam glass is carried out at the same time dipping with stock, and with stock glass with each other with equidirectional traction, the glass in different glass dispersion slots is mutual
It does not interfere, the glass dispersion trench bottom far from conduct vibrations stick is arc-shaped, close to the side of conduct vibrations stick, is passed towards vibration
Opening becomes larger at lead rod, be combined with each other dipping convenient for glass and the molten polymer after dispersion, improves dipping effect, promotion
LFT qualities.
The other end of the conduct vibrations stick 6 is connected with vibratory drive mechanism 8, the vibratory drive machine as shown in figures 4-9
Structure 8 is supersonic generator, and the glass dispersion slot 5 has a plurality of and uniformly distributed along 6 side of conduct vibrations stick.In impregnation chamber
Internal vibration conducted rod is installed along glass conveying direction, the polymer full of melting in impregnation chamber, and along conduct vibrations stick surrounding, it is more
Glass dispersion slot is uniformly distributed, one glass dipping in every glass dispersion slot, one glass includes a branch of or multi beam is parallel
Roving glass fiber, the glass in multiple-grooved can disperse simultaneously by supersonic oscillations, be impregnated respectively with polymer, each other mutually not
It influences, ultrasonic wave has preferable peptizaiton, the vibration source of preferred conduct vibrations stick is ultrasonic wave in the polymer of melting
The amplitude transformer for heat insulation and dissipation can be also arranged, to meet conduct vibrations in energy converter between ultrasonic transducer and conduct vibrations stick
Stick is worked continuously for a long time under high temperature environment, and ultrasonic generator should select the suitable specification of power, too small to play point
Effect is dissipated, polymer degradation may well be caused very much.
The feeding end 3 is equipped with the glass entrance 31 penetrated for the glass, the glass entrance 31 and impregnation chamber 2
Conveying direction is identical, and the glass entrance 31 is interconnected with glass dispersion slot 5.The conveying direction phase of glass entrance and impregnation chamber
Together, the glass entered through glass entrance is directly entered in glass dispersion slot, and glass is avoided to bend, and reduces the risk that glass wrecks,
Multi beam glass with stock can also not interfere successively, reduces cancel closedown situation, improves efficiency of working continuously.
The polymer inlet 32 vertical with the conveying direction of the impregnation chamber 2, the glass are additionally provided on the feeding end 3
The pan feeding guide member 33 for being oriented to glass is arranged in entrance 31, polymer is described by being passed through after the polymer inlet 32
33 gap of pan feeding guide member enters in the impregnation chamber 2, and pan feeding guide hole 34, the pan feeding are equipped in the pan feeding guide member 33
Guide hole 34 is interconnected with glass dispersion slot 5.Glass and conduct vibrations stick pass through feeding end along impregnation chamber conveying direction
Into in impregnation chamber, and molten polymer is sent after double screw extruder processing melting from the conveying direction perpendicular to impregnation chamber
Enter in impregnation chamber, hollow mixing chamber is equipped in feeding end, the pan feeding guide member being oriented to for glass is arranged in glass entrance, by glass
It is fine it is gapless is sent in glass dispersion slot directly across polymer inlet, molten polymer pass through the gap of pan feeding guide member into
Enter mixing chamber, it is too big to influence to gather especially for the specification of polymer feeding mouth because molten polymer has certain viscosity
The retaining amount for closing object, causes polymer degradation, and cause to impact to the traction of glass, too small and may be decreased dip operation
Efficiency, application scheme can meet multiply roving glass fiber dip operation, and avoid glass by the impact flow of molten polymer and
It bends or confuses, reduce and influence each other, it, can be rapidly to glass in impregnation chamber and conduct vibrations stick after polymer enters hollow cavity
Gap be filled, start dipping process, process has higher Continuous maching productivity, even if occurring in glass entrance stifled
When plug, pan feeding guide member also can be easily unloaded, feeding end, glass dispersion slot and discharge end are cleared up, reduces abnormal stop
The repairing intensity of machine, saves the repairing time, improves work efficiency.
The discharge end 4 is equipped with the discharge port 41 for the glass output after dipping, is arranged in the discharge port 41
Discharging guide member 42 for being oriented to glass, the discharging guide member 42 are equipped with discharging guide hole 43, the discharging guide hole
43 are interconnected with glass dispersion slot 5.Discharge port inner sleeve sets out material guide member, and the glass after dipping is facilitated to be pulled out dipping
Chamber, and the guide hole that discharges is interconnected with glass dispersion slot, and the junction of discharge guide hole and glass dispersion slot, in horn-like
Opening, convenient for accept with it is polymer impregnated after glass pulled out, the resistance that is pulled out of reduction glass avoids glass from bending
Or disconnect, even if glass disconnects extremely, and when blocking discharge end, also discharging guide member can be blocked by individually unloading, to discharging
End carries out prune job, reduces the repairing intensity of cancel closedown, saves the repairing time, improve work efficiency, discharge end
Side in impregnation chamber, is also devised with the big sharp cone distal projection such as bottom and impregnation chamber diameter, the sharp cone distal projection
Surface is smooth, and by the polymer of impregnation chamber bottom, design can avoid forming the conveying dead angle of polymer in impregnation chamber bottom, prevent
Polymer solidification caking, can auxiliary polyalcohol taken out of by glass.
The bottom of the glass dispersion slot 5 as shown in Figure 10, which is equipped with, protrudes from its inner wall and towards the conduct vibrations stick 6
Auxiliary projection 7,7 surface of the auxiliary projection is round and smooth smoother.Because molten polymer has viscosity, in order to make glass preferably divide
It dissipates, makes full use of the reinforcement peptizaiton of vibrating head output vibration amplitude maximum, the present apparatus preferably can be in glass dispersion slot
It is interior to increase auxiliary projection structure design (fixed screw holes of accommodating cylinder do not run through inside it), by glass from far from conduct vibrations
One its laterally closer side push of stick, coordinates the draw of glass, reduces in amplitude maximum glass and vibrating head
Distance further increases the dispersion effect of glass, but avoids glass stress excessive again simultaneously and wreck, auxiliary projection protrusion
It is different and different according to the specification of glass beam in the depth of glass dispersion slot inner wall, the end of auxiliary projection known to refer to the attached drawing,
It is straight line in the horizontal direction, can be with glass parallel contact, and be arc-shaped in vertical direction, glass can be made to smoothly transit,
The width of end is identical as the widest part of glass dispersion slot, and auxiliary projection is designed as two-part, and front extends into glass dispersion
The end direction of slot must enter in direction as illustrated, and rear portion is connect using lead screw with accommodating cylinder, and can adjust front and prolong
The depth stretched.
Auxiliary projection 7 in the glass dispersion slot 5 has multiple, and the auxiliary projection 7 is located at the conduct vibrations stick 6
The amplitude of oscillation maximum of axis side and conduct ultrasound generator.The dispersion of glass is made in order to maximumlly play auxiliary projection
With in glass dispersion slot on the transport path of glass, multiple auxiliary projections are arranged, make glass beam in conveying and dipping process
In, can eject glass makes it closer to conduct vibrations stick, and preferred position is set to the amplitude maximum weight of conduct vibrations stick
It is folded, for example the end of conduct vibrations stick is one of amplitude maximum, so that dispersion effect is generated superposition, another glass with it is molten
The dipping effect for melting polymer is more preferable, configures the supersonic generator of different vibration frequencies, and the end of auxiliary projection extends into glass
In fine dispersion slot, and it can adjust each auxiliary projection according to different glasses and polymer impregnated demand and extend into glass dispersion
Depth distance in slot.
The glass entrance 31 and discharge port 41, which correspond to the glass dispersion slot 5, to be had multiple, and the corresponding glass enters
Mouthfuls 31, glass dispersion slot 5 and discharge port 41 vertical connection successively.Glass entrance and glass dispersion slot, discharge port vertically through, in
Between without bending, ensure in dispersion dipping process, glass is smoothly drawn, and is avoided bending or be disconnected, impregnating mechanism can right angle setting,
Also there can be certain angle of inclination according to production environment needs, notice that angle of inclination cannot be less than 60 degree, glass entrance and discharging
Mouthful, it is corresponded with glass dispersion slot, pan feeding guide member and discharging guide member and glass dispersion slot are also one-to-one correspondence, multiply glass
Fibre can towage simultaneously, improve operating efficiency, and when certain a branch of glass disconnects extremely, only need to unload corresponding pan feeding and lead
Impregnation chamber can be cleared up by drawing part and discharging guide member, and a rigid rod is used when cleaning, stretches into, passes through from glass entrance
Glass dispersion slot, then stretched out from corresponding discharge port, you can cleaning is completed, while new glass beam can be passed through this rigid rod
Auxiliary is rapidly completed glass and draws across pan feeding guide member, glass dispersion slot and discharging guide member, operation of quickly resuming production,
Abnormality processing is rapid, saves the repairing time, improves work efficiency.
LFT preparation methods of the present invention are further described with reference to specific embodiment：
Embodiment 1：
A. the glass beam after drying is entered into impregnation chamber across feeding end, and is exported by traction through discharge end；
B. conduct vibrations stick is passed through into feeding end, be inserted at the center of impregnation chamber；
C. fiberglass reinforced PE is mixed with auxiliary agent, after double screw extruder melts, is transported in impregnating mechanism；
D. the polymer through double screw extruder extrusion molten enters impregnation chamber by feeding end, and temperature is maintained in dipping process
Top temperature control segment temperature is 200 DEG C, and middle part temperature control segment temperature is 180 DEG C, and lower part temperature control segment temperature is 200 DEG C；
E. glass beam sequentially passes through glass entrance, glass dispersion slot and discharge port, only has in the slot in glass dispersion slot
Glass beam carry out dipping with polymer and mix；
F. while polymer is mixed with glass Shu Jinhang dippings, vibrating head is by polymer by conduct vibrations to glass
Beam makes the dispersion of glass beam be mixed with polymer impregnated；
G. the glass beam through being impregnated with mixed with polymers is exported across discharge end；
H. after cooling, pelletizing, vibrating dust removing, packaging.
Table 1：Embodiment 2-13 temperature control conditions
Table 2：Embodiment 1-13 the physical property of product indexs
Note：Glass fiber product manufacturer is tai shan glass fibre Co., Ltd
It summarizes：As shown in Table 2, after using the immersion system of the present invention, preparation method can coordinate the polymerization of various performances
Object carries out LFT productions under different temperature conditions, and because dispersibility is promoted, the surface area for squeezing out special roving glass fiber is larger, makes
Product has tensile strength, bending strength, notch impact strength of preferable physical property, especially product etc., has good
Productivity effect, while cost-effective, expand production range.
Claims (9)
1. a kind of vibration dispersion impregnates glass LFT manufacturing equipments, it is characterised in that：Including impregnating mechanism (1), the impregnating mechanism
(1) include the accommodating cylinder (11) with heating function, impregnation chamber (2), the accommodating cylinder (11) are equipped in the accommodating cylinder (11)
One end be connected with for respectively to the feeding end (3) of conveying polymer and glass in the impregnation chamber (2), the accommodating cylinder
(11) the other end is connected with the discharge end (4) for output glass after dipping out of the impregnation chamber (2), the dipping
Mechanism (1) further includes that one end passes through the feeding end (3) to extend into the conduct vibrations stick (6) in the impregnation chamber (2), described to shake
Dynamic conducted rod (6) is used to make glass disperse by polymer conductive vibration, is equipped with along glass conveying direction in the impregnation chamber (2)
The a plurality of rib (21) for protruding from its inner wall, the rib (21) are uniformly distributed in gear-like, are equipped with and supply between the rib (21)
The glass dispersion slot (5) that glass is transmitted and impregnated with mixed with polymers, the glass dispersion slot (5) is along the conduct vibrations stick
(6) side is uniformly distributed.
2. a kind of vibration dispersion according to claim 1 impregnates glass LFT manufacturing equipments, it is characterised in that：The vibration
The other end of conducted rod (6) is connected with vibratory drive mechanism (8), and the vibratory drive mechanism (8) is supersonic generator.
3. a kind of vibration dispersion according to claim 1 impregnates glass LFT manufacturing equipments, it is characterised in that：The pan feeding
End (3) is equipped with the glass entrance (31) penetrated for the glass, the conveying direction of the glass entrance (31) and impregnation chamber (2)
Identical, the glass entrance (31) is interconnected with glass dispersion slot (5).
4. a kind of vibration dispersion according to claim 3 impregnates glass LFT manufacturing equipments, it is characterised in that：The pan feeding
The polymer inlet (32) vertical with the conveying direction of the impregnation chamber (2) is additionally provided on end (3), the glass entrance (31) is interior
It is arranged with the pan feeding guide member (33) for being oriented to glass, polymer passes through the pan feeding afterwards by the polymer inlet (32)
Guide member (33) gap enters in the impregnation chamber (2), and pan feeding guide hole (34) is equipped in the pan feeding guide member (33), described
Pan feeding guide hole (34) is interconnected with glass dispersion slot (5).
5. a kind of vibration dispersion according to claim 3 impregnates glass LFT manufacturing equipments, it is characterised in that：The discharging
(4) are held to be equipped with for the discharge port (41) that glass exports after dipping, the discharge port (41) is interior to be arranged with for being oriented to glass
Fine discharging guide member (42), the discharging guide member (42) are equipped with discharging guide hole (43), the discharging guide hole (43)
It is interconnected with glass dispersion slot (5).
6. a kind of vibration dispersion according to claim 1 impregnates glass LFT manufacturing equipments, it is characterised in that：The glass
The bottom of dispersion slot (5), which is equipped with, protrudes from its inner wall and towards the auxiliary projection (7) of the conduct vibrations stick (6), the auxiliary
Raised (7) surface is round and smooth smoother.
7. a kind of vibration dispersion according to claim 6 impregnates glass LFT manufacturing equipments, it is characterised in that：The glass
Auxiliary projection (7) in dispersion slot (5) has multiple, and the auxiliary projection (7) is located at the axis side of the conduct vibrations stick (6) and biography
Lead the amplitude of oscillation maximum of supersonic generator.
8. a kind of vibration dispersion according to claim 5 impregnates glass LFT manufacturing equipments, it is characterised in that：The glass
Entrance (31) and the corresponding glass dispersion slot (5) of discharge port (41) have multiple, corresponding the glass entrance (31), glass
Dispersion slot (5) and discharge port (41) vertical connection successively.
9. a kind of method preparing LFT using any one of the claim 1-8 manufacturing equipments, it is characterised in that：By following step
Rapid composition：
A. the glass beam after drying is entered into impregnation chamber across feeding end, and is exported by traction through discharge end；
B. conduct vibrations stick is passed through into feeding end, be inserted at the center of impregnation chamber；
C. polymer is mixed with auxiliary agent, after double screw extruder melts, is transported in impregnating mechanism；
D. the polymer through double screw extruder extrusion molten enters impregnation chamber by feeding end, and three sections of temperature point is controlled in dipping process
System, it is 180~280 DEG C to maintain temperature；
E. glass beam sequentially passes through glass entrance, glass dispersion slot and discharge port, there was only the glass in the slot in glass dispersion slot
Fine beam carries out dipping with polymer and mixes；
F. while polymer is mixed with glass Shu Jinhang dippings, vibrating head gives conduct vibrations to glass beam by polymer, makes
The dispersion of glass beam is mixed with polymer impregnated；
G. the glass beam through being impregnated with mixed with polymers is exported across discharge end；
H. after cooling, pelletizing, vibrating dust removing, packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610750658.3A CN106346636B (en) | 2016-08-29 | 2016-08-29 | A kind of vibration dispersion dipping glass LFT manufacturing equipments and the LFT preparation methods using the equipment |
Applications Claiming Priority (1)
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| CN111409293A (en) * | 2020-03-31 | 2020-07-14 | 华南理工大学 | Dipping method of ultrasonic reinforced long fiber reinforced polymer composite material and ultrasonic reinforced long fiber reinforced polymer composite material |
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