CN102950779A - Resin transfer molding forming glue injection machine of continuous fiber reinforced PBT (polybutylece terephthalate) composite materials - Google Patents
Resin transfer molding forming glue injection machine of continuous fiber reinforced PBT (polybutylece terephthalate) composite materials Download PDFInfo
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- CN102950779A CN102950779A CN2012105085863A CN201210508586A CN102950779A CN 102950779 A CN102950779 A CN 102950779A CN 2012105085863 A CN2012105085863 A CN 2012105085863A CN 201210508586 A CN201210508586 A CN 201210508586A CN 102950779 A CN102950779 A CN 102950779A
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Abstract
The invention discloses a resin transfer molding forming glue injection machine of continuous fiber reinforced PBT (polybutylece terephthalate) composite materials. The resin transfer molding forming glue injection machine comprises a first material tank, a second material tank and a third material tank, wherein the first material tank is used for containing monomers and heating the monomers, and the second material tank is used for containing catalysts. The monomers and the catalysts are respectively conveyed to the third material tank through respective metering devices to be mixed into glue injection raw materials, the glue injection raw materials are filled into a mold through a material outlet arranged at the bottom end of the third material tank and a connecting pipeline for carrying out molding forming, and in addition, the size of the third material tank is greater than the size of the mold for containing the glue injection raw materials. The automatic glue injection machine provided by the invention has the advantages that the metering blending and the glue injection can be automatically carried out, the process is continuous, and the glue injection efficiency is high.
Description
Technical field
The present invention relates to glue-injection machine, particularly a kind of resin transfer moulding glue injection machine is specifically related to a kind of continuous fiber and strengthens the resin dedicated Transfer molding glue-injection machine of polybutylene terephthalate (PBT) (PBT) thermoplastic composite.
Background technology
At present, usually adopt resin transfer moulding (Resin Transfer Moulding, RTM) method or vacuum-assisted resin transfer molding (VARTM) method to prepare fiber-resin composite.So-called resin transfer moulding refers to resin injection in the close die such as fortifying fibre, to infiltrate the process of reinforcing material and curing to containing reinforcing material.
Continuous fiber strengthens polybutylene terephthalate (PBT) (PBT) thermoplastic composite and has higher mechanical property, also have higher shock resistance and the advantage such as can recycle than the thermosetting resin based composites, so continuous fiber strengthens the PBT thermoplastic composite and is with a wide range of applications.But there be limited evidence currently of has the semi-automatic or full-automatic RTM glue-injection machine that is applicable to continuous fiber enhancing PBT thermoplastic composite, is unfavorable for that continuous fiber strengthens applying of PBT thermoplastic composite.Therefore, still needing and develop the semi-automatic or full-automatic RTM glue-injection machine that continuous fiber strengthens the PBT thermoplastic composite that is applicable in this area, promotes to promote continuous fiber and strengthen the PBT thermoplastic composite.
Summary of the invention
The object of the present invention is to provide a kind of continuous fiber to strengthen PBT composite resin transfer moulding glue injection machine, Automatic continuous carries out injecting glue, improves injecting glue efficient and quality.
A first aspect of the present invention provides a kind of glue-injection machine, comprising:
The first batch can, described the first batch can is used for the splendid attire monomer, disposes the first agitating device, first heater, the first inert gas conveying device on described the first batch can; The second batch can, described the second batch can is used for holding catalyst, disposes the second inert gas conveying device on described the second batch can;
The 3rd batch can, described monomer and described catalyst are mixed into the injecting glue raw material in described the 3rd batch can, dispose the 3rd agitating device, the 3rd heater, the 3rd inert gas conveying device on described the 3rd batch can;
Described the first batch can bottom joins by the first pipeline and described the 3rd batch can, and is provided with the first metering device on described the first pipeline;
Described the second batch can bottom joins by the second pipeline and described the 3rd batch can, and is provided with the second metering device on described the second pipeline;
The bottom of described the 3rd batch can arranges discharging opening, be connected with the 3rd pipeline, on described the 3rd pipeline discharging controlling element is set, open described discharging controlling element, described injecting glue raw material is injected in the mould through the 3rd pipeline of discharging opening and connection, and the volume of described the 3rd batch can hold the volume of injecting glue raw material greater than described mould.
In another preference, described monomer is the ring-type mutual-phenenyl two acid bromide two alcohol ester.
In another preference, described catalyst is liquid catalyst or solid catalyst.
In another preference, described catalyst is tin class or titanium class catalyst.Described tin class catalyst includes but not limited to dihydroxy dibutyl tin oxide, three (2-ethyl-1-caproic acid) butyl tin, 1,1,6, the 6-tetrabutyl-1,6 two tin-2,5,7,10-four oxygen-cyclodecane; Described titanium class catalyst includes but not limited to positive isopropyl titanate, and four (2-ethyl-1,3-hexylene glycols) close titanium, ethylacetoacetate titanium compound.
In another preference, described first heater comprises the first temperature sensor and the first heating jacket, described the first batch can top arranges the first temperature sensor entrance, it is inner that described the first temperature sensor is inserted into described the first batch can by described the first temperature sensor entrance, be used for surveying described the first batch can internal temperature, described the first heating jacket places described the first batch can periphery, is used for heating described the first batch can.
In another preference, described the first heating jacket adopts electrical heating or heat-conducting oil heating.
In another preference, described the first batch can top is provided with the first inert gas entrance and the first gas vent, described the first inert gas entrance links to each other with described the first inert gas conveying device by the first tracheae, inert gas is delivered to described the first batch can inner; Be provided with the first gas vent valve on described the first gas vent.
In another preference, open described the first gas vent valve, so that inert gas with the Bas Discharged in the first batch can, guarantees to be full of atmosphere of inert gases in the first batch can, prevent that monomer is oxidized in the first batch can.
In another preference, nitrogen flow is controlled at 0.2~2L/min.
In another preference, the first agitating device is electric mixing device, comprise paddle, shaft, driver, described paddle is arranged at the lower end of described shaft, and the monomer that extend into described the first batch can inside is inner, and described driver is arranged at the upper end of described shaft, be positioned at described the first batch can top, open described driver, drive described shaft, paddle rotation, described monomer is stirred.
In another preference, described the second batch can top is provided with the second inert gas entrance and the second gas vent, described the second inert gas entrance links to each other with described the second inert gas conveying device by the second tracheae, inert gas is delivered to described the second batch can inner; Be provided with the second gas vent valve on described the second gas vent.
In another preference, open described the second gas vent valve, so that inert gas with the Bas Discharged in the batch can, guarantees to be full of atmosphere of inert gases in the second batch can, prevent that catalyst is oxidized in the second batch can.
In another preference, inert gas flow is controlled at 0.2~2L/min.
In another preference, described the 3rd heater comprises three-temperature sensor and the 3rd heating jacket, described the 3rd batch can top arranges the three-temperature sensor entrance, it is inner that described three-temperature sensor is inserted into described the 3rd batch can by described three-temperature sensor entrance, be used for surveying described the 3rd batch can internal temperature, described the 3rd heating jacket places described the 3rd batch can periphery, is used for heating described the 3rd batch can.
In another preference, described the 3rd heating jacket adopts electrical heating or heat-conducting oil heating.
In another preference, described the 3rd batch can top is provided with the 3rd inert gas entrance and the 3rd gas vent, described the 3rd inert gas entrance links to each other with described the 3rd inert gas conveying device by the 3rd tracheae, inert gas is delivered to described the 3rd batch can inner; Be provided with the 3rd gas vent valve on described the 3rd gas vent.
In another preference, open described the 3rd gas vent valve, so that inert gas with the Bas Discharged in the batch can, guarantees to be full of atmosphere of inert gases in the 3rd batch can, prevent that the injecting glue raw material is oxidized in the 3rd batch can.
In another preference, nitrogen flow is controlled at 0.2~2L/min.In another preference, close the 3rd gas vent valve, increase the gas pressure of the 3rd inert gas entrance, open the controlling element of the 3rd batch can lower end, preferably, controlling element is discharge valve, described injecting glue raw material is extruded described the 3rd batch can carry out injecting glue, when adopting gas to extrude described injecting glue raw material, described the 3rd batch can internal pressure maintains 0.1-0.5MPa.
In another preference, described the 3rd batch can also disposes pressure sensor, is used for surveying the air pressure of described the 3rd batch can inside.
In another preference, described discharging controlling element is pump, under the effect of pump the extraction of the injecting glue raw material in described the 3rd batch can is injected in the mould by described the 3rd pipeline.
In another preference, described pump is gear pump or piston pump.
In another preference, the 3rd agitating device is electric mixing device, comprise paddle, shaft, driver, described paddle is arranged at the lower end of described shaft, and the injecting glue raw material that extend into described the 3rd batch can inside is inner, and described driver is arranged at the upper end of described shaft, be positioned at described the 3rd batch can top, open described driver, drive described shaft, paddle rotation, described injecting glue raw material is stirred.
In another preference, the revolution of described electric mixing device shaft is adjustable.
In another preference, described the first metering device is measuring pump;
Described the second metering device is measuring pump or pressed powder measuring equipment.
In another preference, described measuring pump is gear wheel metering pump or piston type dosing pump.
In another preference, described glue-injection machine also has following one or more feature:
(i) described first heater heats described the first batch can, and the temperature that makes described monomer is 180-200 ℃;
(ii) described the 3rd heater heats described the 3rd batch can, and the temperature that makes described injecting glue raw material is 180-200 ℃;
(iii) each point of attachment of described the first batch can, the second batch can, the 3rd batch can has good air-tightness without Leakage Gas;
(iv) described the first inert gas conveying device, the second inert gas conveying device, the 3rd inert gas conveying device include compression High Purity Nitrogen gas cylinder, carry high pure nitrogen to described the first batch can, the second batch can, the 3rd batch can respectively, gas flow is 0.2~2L/min;
(v) temperature of described mould is 180-220 ℃.
In another preference, described the first batch can, the second batch can, the 3rd batch can have good air-tightness.
In another preference, described mould is built-in with continuous fiber.
In another preference, described continuous fiber is carbon fiber, glass fibre, aramid fiber, polypropylene (PP) fiber, polyamide (PA) fiber, polyethylene (PE) fiber, the inorganic or organic fibers such as polyester (PET/PBT) fiber.
In another preference, described continuous fiber exists with form of fabric.
The invention provides a kind of novel automatic glue injection machine, by predetermined ratio configuration monomer and catalyst, accuracy rate is high automatically, can continuous glue injection, improve injecting glue efficient.Be specially adapted to the injection process of fibre-reinforced thermoplastic composite.
In should be understood that within the scope of the present invention, above-mentioned each technical characterictic of the present invention and can making up mutually between specifically described each technical characterictic in below (eg embodiment), thus consist of new or preferred technical scheme.As space is limited, this tired stating no longer one by one.
Description of drawings
Fig. 1 is glue-injection machine structural representation of the present invention.
The specific embodiment
The present inventor is through extensive and deep research, accident is designed a kind of resin transfer moulding glue injection machine that continuous fiber strengthens the polybutylene terephthalate (PBT) thermoplastic composite that is applicable to of automation first, comprise: splendid attire monomer and to its first batch can that heats, the second batch can of holding catalyst, and the 3rd batch can.Monomer and catalyst are delivered to the 3rd batch can through separately metering device respectively and are mixed into the injecting glue raw material; Discharging opening, the pipeline of injecting glue raw material through the 3rd batch can bottom be injected into carry out in the mould molded, and the volume of the volume of described the 3rd batch can injecting glue raw material that can hold greater than described mould.This glue-injection machine can automatically measure and is mixed, and automatically carries out injecting glue, and technique is continuous, and injecting glue efficient is high.On this basis, finished the present invention.
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.The experimental technique of unreceipted actual conditions in the following example is usually according to normal condition or the condition of advising according to manufacturer.
Unless otherwise defined, employed all specialties are identical with the meaning that scientific words and one skilled in the art are familiar with in the literary composition.In addition, any method similar or impartial to described content and material all can be applicable in the inventive method.The usefulness that better implementation method described in the literary composition and material only present a demonstration.
Inert gas
Among the present invention, " inert gas " refers to not participate in reacting, preventing the oxidized gas of material in the batch can, and preferably, inert gas is helium, nitrogen, argon gas, and more preferably, inert gas is high pure nitrogen.
Glue-injection machine
As shown in Figure 1, glue-injection machine of the present invention comprises:
The first batch can 1, described the first batch can 1 is used for the splendid attire monomer, disposes the first agitating device 4, first heater, the first inert gas conveying device (not shown) on described the first batch can 1;
The second batch can 2, described the second batch can 2 is used for holding catalyst, disposes the second inert gas conveying device (not shown) on described the second batch can 2;
The 3rd batch can 3, described monomer and described catalyst are mixed into the injecting glue raw material in described the 3rd batch can 3, dispose the 3rd agitating device 5, the 3rd heater, the 3rd inert gas conveying device (not shown) on described the 3rd batch can 3;
Described the first batch can 1 bottom joins with described the 3rd batch can 3 by the first pipeline 20, and is provided with the first metering device 15 on described the first pipeline 20;
Described the second batch can 2 bottoms join with described the 3rd batch can 3 by the second pipeline 21, and are provided with the second metering device 16 on described the second pipeline 21;
The bottom of described the 3rd batch can 3 arranges discharging opening 22, be connected with the 3rd pipeline 23, on described the 3rd pipeline 23 discharging controlling element 17 is set, open described discharging controlling element 17, described injecting glue raw material is injected in the mould 18 through discharging opening 22 and the 3rd pipeline 23 that connects, and the volume of the volume of described the 3rd batch can 3 injecting glue raw material that can hold greater than 18 on described mould.
In another preference, glue-injection machine of the present invention also comprises control system, by described the first agitating device 4 of described control system auto-control, first heater, the first inert gas conveying device, the second inert gas conveying device, the 3rd agitating device 5, the 3rd inert gas conveying device, the 3rd heater and discharging controlling element 17.
In another preference, glue-injection machine of the present invention also is provided with the digital display console, the relevant parameters such as the temperature of real-time reflection material, temperature of charge, agitating device revolution, the interior gas pressure of batch can, rationally the control monomer melts (thawing), monomer and catalyst mix and injecting glue time etc., farthest increases work efficiency.
(1) first batch can
Described the first batch can 1 has good air-tightness, and each point of attachment is without Leakage Gas.
Described the first batch can 1 top is provided with the first inert gas entrance 9 and the first gas vent 10, described the first inert gas entrance 9 links to each other with described the first inert gas conveying device by the first tracheae (not shown), and inert gas is delivered to described the first batch can 1 inside; Be provided with the first gas vent valve on described the first gas vent 10.
Open described the first inert gas conveying device, to described the first batch can 1 interior conveying inert gas, the flow-control of inert gas is at 0.2~2L/min by the first tracheae, the first inert gas entrance 9.Open described the first gas vent valve, so that inert gas with the Bas Discharged in the first batch can 1, guarantees to be full of atmosphere of inert gases in the first batch can 1, prevent that monomer is oxidized in the first batch can 1.
In another preference, described the first inert gas conveying device comprises air feed equipment, supply air line, air inlet valve and gas outlet valve.
In another preference, described the first inert gas entrance links to each other with the air feed equipment of described the first inert gas conveying device by the first tracheae.
In another preference, the air feed equipment of described the first inert gas conveying device is compression High Purity Nitrogen gas cylinder, carries high pure nitrogen (purity is equal to or higher than 99.999%) to described the first batch can 1, and gas flow is 0.2~2L/min.
Described first heater comprises the first temperature sensor 6 and the first heating jacket (not shown), described the first batch can top arranges the first temperature sensor entrance, described the first temperature sensor 6 is inserted into described the first batch can 1 inside by described the first temperature sensor entrance, be used for surveying described the first batch can 1 internal temperature, described the first heating jacket places described the first batch can 1 periphery, is used for heating described the first batch can.
In another preference, described the first heating jacket can adopt electrical heating or heat-conducting oil heating.
In another preference, described first heater heats described the first batch can 1, and the temperature that makes described monomer is 180-200 ℃.
The first agitating device can be any agitating device that is applicable to this area, be preferably electric mixing device, comprise paddle, shaft, driver, described paddle is arranged at the lower end of described shaft, and the monomer that extend into described the first batch can 1 inside is inner, described driver is arranged at the upper end of described shaft, be positioned at described the first batch can 1 top, open described driver, drive described shaft, paddle rotation, described monomer is stirred, so that the monomer feed liquid is heated evenly.
In another preference, the revolution of described electric mixing device shaft is adjustable.
In another preference, described the first metering device 15 is measuring pump.Preferably, described measuring pump is gear wheel metering pump or piston type dosing pump.
(2) second batch cans
Described the second batch can 2 has good air-tightness, and each point of attachment is without Leakage Gas.
Described the second batch can 2 tops are provided with the second inert gas entrance 11 and the second gas vent 12, described the second inert gas entrance 11 links to each other with described the second inert gas conveying device by the second tracheae (not shown), inertia is delivered to described the second batch can inner; Be provided with the second gas vent valve on described the second gas vent 12.
Open described the second inert gas conveying device, to described the second batch can 2 interior conveying inert gases, the flow-control of inert gas is at 0.2~2L/min by the second tracheae, the second inert gas entrance 11.Open described the second gas vent valve, so that inert gas with the Bas Discharged in the second batch can 2, guarantees to be full of atmosphere of inert gases in the second batch can 2, prevent that catalyst is oxidized in the second batch can 2.
In another preference, described the second inert gas conveying device comprises air feed equipment, supply air line, air inlet valve and gas outlet valve.
In another preference, described the second inert gas entrance links to each other with the air feed equipment of described the second inert gas conveying device by the second tracheae.
In another preference, the air feed equipment of described the second inert gas conveying device is compression High Purity Nitrogen gas cylinder, carries high pure nitrogen (purity is equal to or higher than 99.999%) to described the second batch can 2, and gas flow is 0.2~2L/min.
Described the second metering device 16 is measuring pump or pressed powder measuring equipment.Described measuring pump is used for the metering liquid volume, preferably is gear wheel metering pump or piston type dosing pump.
(3) the 3rd batch cans
Described the 3rd batch can 3 has good air-tightness, and each point of attachment is without Leakage Gas.
The 3rd batch can 3 tops are provided with the 3rd inert gas entrance 13 and the 3rd gas vent 14, described the 3rd inert gas entrance 13 carries protection to link to each other by the 3rd tracheae (not shown) and described the 3rd gas, and inert gas is delivered to described the 3rd batch can 3 inside; Be provided with the 3rd gas vent valve on described the 3rd gas vent 14.
Open described the 3rd inert gas conveying device, to described the 3rd batch can 3 interior conveying inert gases, the flow-control of inert gas is at 0.2~2L/min by the 3rd tracheae, the 3rd inert gas entrance 13.Open described the 3rd gas vent valve, so that inert gas with the Bas Discharged in the 3rd batch can 3, guarantees to be full of atmosphere of inert gases in the 3rd batch can 3, prevent that the injecting glue raw material is oxidized in the 3rd batch can 2.
In another preference, described the 3rd inert gas conveying device comprises air feed equipment, supply air line, air inlet valve and gas outlet valve.
In another preference, described the 3rd inert gas entrance links to each other with the gas equipment of described the 3rd inert gas conveying device by the 3rd tracheae.
In another preference, the air feed equipment of described the 3rd inert gas conveying device is carried high pure nitrogen (purity is equal to or higher than 99.999%) for compression High Purity Nitrogen gas cylinder to described the 3rd batch can, and gas flow is 0.2~2L/min.
Described the 3rd heater comprises three-temperature sensor 7 and the 3rd heating jacket (not shown), described the 3rd batch can 3 tops arrange the three-temperature sensor entrance, described three-temperature sensor 7 is inserted into described the 3rd batch can 3 inside by described three-temperature sensor entrance, be used for surveying described the 3rd batch can 3 internal temperatures, described the 3rd heating jacket places described the 3rd batch can 3 peripheries, is used for heating described the 3rd batch can 3.
Described the 3rd heating jacket can adopt electrical heating or heat-conducting oil heating.
In another preference, described the 3rd heater heats described the 3rd batch can 3, and the temperature that makes described injecting glue raw material is 180-200 ℃.
The 3rd agitating device can be any agitating device that is applicable to this area, be preferably electric mixing device, comprise paddle, shaft, driver, described paddle is arranged at the lower end of described shaft, and the injecting glue raw material that extend into described the 3rd batch can 3 inside is inner, and described driver is arranged at the upper end of described shaft, be positioned at described the 3rd batch can 3 tops, open described driver, drive described shaft, paddle rotation, described injecting glue raw material is stirred.
In another preference, the revolution of described electric mixing device shaft is adjustable.
In another preference, described the 3rd batch can 3 also disposes pressure sensor 8, is used for surveying the air pressure of described the 3rd batch can 3 inside.
In another preference, described discharging controlling element 17 is pump, under the effect of pump the extraction of the injecting glue raw material in described the 3rd batch can 3 is injected in the mould 18 by described the 3rd pipeline 23.
In another preference, described pump is gear pump or piston pump.
In another preference, described discharging controlling element 17 is discharge valve.During injecting glue, close the 3rd gas vent valve, pass into continuously inert gas from the 3rd inert gas entrance 13, increase the gas pressure of the 3rd batch can 3, open discharge valve, gas extrudes described the 3rd batch can 3 with described injecting glue raw material and carries out injecting glue, and when adopting gas to extrude described injecting glue raw material, described the 3rd batch can internal pressure preferably maintains 0.1-0.5MPa.
The use of glue-injection machine
In the first batch can 1 and the second batch can 2, drop into monomer and catalyst respectively.
Open described the first inert gas conveying device, to described the first batch can 1 interior conveying inert gas, the flow-control of inert gas is at 0.2~2L/min by the first tracheae, the first inert gas entrance 9.Open described the first gas vent valve, so that inert gas with the Bas Discharged in the first batch can 1, guarantees to be full of atmosphere of inert gases in the first batch can 1, prevent that monomer is oxidized in the first batch can 1.
Open described the second inert gas conveying device, to described the second batch can 2 interior conveying inert gases, the flow-control of inert gas is at 0.2~2L/min by the second tracheae, the second inert gas entrance 11.Open described the second gas vent valve, so that inert gas with the Bas Discharged in the second batch can 2, guarantees to be full of atmosphere of inert gases in the second batch can 2, prevent that catalyst is oxidized in the second batch can 2.
Open the first agitating device, the monomer of the first batch can 1 inside is stirred.Open first heater, with the Unit heating to 180 of the first batch can 1 inside~200 ℃, treat that the first batch can 1 inner monomer melts fully, by the first metering device 15 predetermined amounts monomer is injected into the 3rd batch can 3 by the first pipeline 20, by the second metering device 16 predetermined amounts catalyst is injected into the 3rd batch can 3 by the second pipeline 21 simultaneously.Among the present invention, in the gross weight of monomer and catalyst, the mass percent of catalyst is 0.2 ~ 1.0%.
Open described the 3rd inert gas conveying device, to described the 3rd batch can 3 interior conveying inert gases, the flow-control of inert gas is at 0.2~2L/min by the 3rd tracheae, the 3rd inert gas entrance 13.Open described the 3rd gas vent valve, so that inert gas with the Bas Discharged in the 3rd batch can 3, guarantees to be full of atmosphere of inert gases in the 3rd batch can 3, prevent that the injecting glue raw material is oxidized in the 3rd batch can 2.
Open the 3rd agitating device, monomer and the catalyst of the 3rd batch can 3 inside stirred, mixing becomes the injecting glue raw material, stops to stir, and leaves standstill 1~3 minute.
In a preferred embodiment, close the 3rd gas vent valve, pass into continuously inert gas from the 3rd inert gas entrance 13, increase the gas pressure of the 3rd batch can 3, described the 3rd batch can internal pressure preferably maintains 0.1-0.5MPa.Open discharge valve, inert gas extrudes described the 3rd batch can 3 with described injecting glue raw material and carry out injecting glue in mould 18.
In another preferred embodiment, discharging controlling element 17 is pump, the injecting glue raw material in described the 3rd batch can 3 is extracted out to be injected into by described the 3rd pipeline 23 under the effect of pump and carries out injecting glue in the mould 18.
Among the present invention, described monomer is the ring-type mutual-phenenyl two acid bromide two alcohol ester.
Described catalyst is liquid catalyst or solid catalyst.When adopting liquid catalyst, the second used metering device 16 is measuring pump, preferably is gear wheel metering pump or piston type dosing pump.When adopting solid catalyst, the second used metering device 16 is the pressed powder measuring equipment.
Among the present invention, preferred catalyst is tin class or titanium class catalyst.Described tin class catalyst includes but not limited to dihydroxy dibutyl tin oxide, three (2-ethyl-1-caproic acid) butyl tin, 1,1,6, the 6-tetrabutyl-1,6 tin-2,5,7, the stalwart alkane of 10-four oxygen-encircle; Described titanium class catalyst includes but not limited to positive isopropyl titanate, and four (2-ethyl-1,3-hexylene glycols) close titanium, ethylacetoacetate titanium compound.
Among the present invention, mould has no particular limits, and the various moulds that can be used in this area all can be used for the present invention.During use, the temperature of mould is preferably 180-220 ℃.
Preferably, described mould is built-in with continuous fiber.Preferred continuous fiber is carbon fiber, glass fibre, aramid fiber, polypropylene (PP) fiber, polyamide (PA) fiber, polyethylene (PE) fiber, the inorganic or organic fibers such as polyester (PET/PBT) fiber.
In another preference, described continuous fiber exists with form of fabric.
Adopt glue-injection machine of the present invention, can obtain the PBT resin that pure polybutylene terephthalate (PBT) (PBT) resin or continuous fiber strengthen.
The above-mentioned feature that the present invention mentions, or the feature that embodiment mentions can any combination.All features that this case specification discloses can with any composition forms and usefulness, each feature that discloses in the specification can be replaced by any alternative characteristics of identical, impartial or similar purpose that provides.Therefore except special instruction is arranged, the feature that discloses only is the general example of equalization or similar features.
Usefulness of the present invention is:
(1) the invention provides a kind of novel automatic glue injection machine.
(2) by predetermined ratio configuration monomer and catalyst, accuracy rate is high automatically for glue-injection machine of the present invention.
(3) glue-injection machine of the present invention can continuous glue injection, for batch production, has improved injecting glue efficient.
(4) glue-injection machine of the present invention is specially adapted to the injection process of fibre-reinforced thermoplastic composite.
(5) glue-injection machine of the present invention can prepare the product of different size.
All quote in this application as a reference at all documents that the present invention mentions, just as each piece document is quoted separately as a reference.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after having read above-mentioned instruction content of the present invention, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. a glue-injection machine is characterized in that, described glue-injection machine comprises:
The first batch can, described the first batch can is used for the splendid attire monomer, disposes the first agitating device, first heater, the first inert gas conveying device on described the first batch can;
The second batch can, described the second batch can is used for holding catalyst, disposes the second inert gas conveying device on described the second batch can;
The 3rd batch can, described monomer and described catalyst are mixed into the injecting glue raw material in described the 3rd batch can, dispose the 3rd agitating device, the 3rd heater, the 3rd inert gas conveying device on described the 3rd batch can;
Described the first batch can bottom joins by the first pipeline and described the 3rd batch can, and is provided with the first metering device on described the first pipeline;
Described the second batch can bottom joins by the second pipeline and described the 3rd batch can, and is provided with the second metering device on described the second pipeline;
The bottom of described the 3rd batch can arranges discharging opening, be connected with the 3rd pipeline, on described the 3rd pipeline discharging controlling element is set, open described discharging controlling element, described injecting glue raw material is injected in the mould through the 3rd pipeline of discharging opening and connection, and the volume of described the 3rd batch can hold the volume of injecting glue raw material greater than described mould.
2. glue-injection machine as claimed in claim 1, it is characterized in that, described first heater comprises the first temperature sensor and the first heating jacket, described the first batch can top arranges the first temperature sensor entrance, it is inner that described the first temperature sensor is inserted into described the first batch can by described the first temperature sensor entrance, be used for surveying described the first batch can internal temperature, described the first heating jacket places described the first batch can periphery, is used for heating described the first batch can.
3. glue-injection machine as claimed in claim 1, it is characterized in that, described the first batch can top is provided with the first inert gas entrance and the first gas vent, described the first inert gas entrance links to each other with described the first inert gas conveying device by the first tracheae, inert gas is delivered to described the first batch can inner; Be provided with the first gas vent valve on described the first gas vent.
4. glue-injection machine as claimed in claim 1, it is characterized in that, the first agitating device is electric mixing device, comprises paddle, shaft, driver, and described paddle is arranged at the lower end of described shaft, the monomer that extend into described the first batch can inside is inner, described driver is arranged at the upper end of described shaft, is positioned at described the first batch can top, opens described driver, drive described shaft, paddle rotation, described monomer is stirred.
5. glue-injection machine as claimed in claim 1, it is characterized in that, described the second batch can top is provided with the second inert gas entrance and the second gas vent, described the second inert gas entrance links to each other with described the second inert gas conveying device by the second tracheae, inert gas is delivered to described the second batch can inner; Be provided with the second gas vent valve on described the second gas vent.
6. glue-injection machine as claimed in claim 1, it is characterized in that, described the 3rd heater comprises three-temperature sensor and the 3rd heating jacket, described the 3rd batch can top arranges the three-temperature sensor entrance, it is inner that described three-temperature sensor is inserted into described the 3rd batch can by described three-temperature sensor entrance, be used for surveying described the 3rd batch can internal temperature, described the 3rd heating jacket places described the 3rd batch can periphery, is used for heating described the 3rd batch can.
7. glue-injection machine as claimed in claim 1, it is characterized in that, described the 3rd batch can top is provided with the 3rd inert gas entrance and the 3rd gas vent, described the 3rd inert gas entrance links to each other with described the 3rd air transporting arrangement by the 3rd tracheae, inert gas is delivered to described the 3rd batch can inner; Be provided with the 3rd gas vent valve on described the 3rd gas vent.
8. glue-injection machine as claimed in claim 1, it is characterized in that, the 3rd agitating device is electric mixing device, comprises paddle, shaft, driver, and described paddle is arranged at the lower end of described shaft, the injecting glue raw material that extend into described the 3rd batch can inside is inner, described driver is arranged at the upper end of described shaft, is positioned at described the 3rd batch can top, opens described driver, drive described shaft, paddle rotation, described injecting glue raw material is stirred.
9. glue-injection machine as claimed in claim 1 is characterized in that, described the first metering device is measuring pump;
Described the second metering device is measuring pump or pressed powder measuring equipment.
10. glue-injection machine as claimed in claim 1 is characterized in that, described glue-injection machine also has following one or more feature:
(i) described first heater heats described the first batch can, and the temperature that makes described monomer is 180-200 ℃;
(ii) described the 3rd heater heats described the 3rd batch can, and the temperature that makes described injecting glue raw material is 180-200 ℃;
(iii) each point of attachment of described the first batch can, the second batch can, the 3rd batch can is without Leakage Gas;
(iv) described the first inert gas conveying device, the second inert gas conveying device, the 3rd inert gas conveying device include compression High Purity Nitrogen gas cylinder, carry high pure nitrogen to described the first batch can, the second batch can, the 3rd batch can respectively, gas flow is 0.2~2L/min;
(v) temperature of described mould is 180-220 ℃.
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Cited By (6)
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CN103302000A (en) * | 2013-06-27 | 2013-09-18 | 常熟康尼格科技有限公司 | Glue melting device for low-pressure glue injection machine |
CN104476692A (en) * | 2014-12-06 | 2015-04-01 | 荣成复合材料有限公司 | Fiber composite material stirring method and device adopting same |
CN105082389A (en) * | 2015-08-17 | 2015-11-25 | 芜湖蓝博塑胶有限公司 | Plastic particle mixing device |
CN107263889A (en) * | 2017-06-19 | 2017-10-20 | 新乡市景龙复合材料有限公司 | A kind of unsaturated polyester resin fiberglass production glue-injection machine and technique |
CN109065830A (en) * | 2018-09-18 | 2018-12-21 | 博众精工科技股份有限公司 | Melt bottler placer feeding system |
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CN102490376A (en) * | 2011-12-12 | 2012-06-13 | 中国科学院宁波材料技术与工程研究所 | Resin transfer molding forming device and forming method |
CN102490375A (en) * | 2011-12-12 | 2012-06-13 | 中国科学院宁波材料技术与工程研究所 | Resin transfer molding device applicable to thermoplastic resin composite materials and application thereof |
CN202922986U (en) * | 2012-11-29 | 2013-05-08 | 中国科学院宁波材料技术与工程研究所 | Resin transfer molding glue-injection machine for continuous fiber reinforcement PBT (polybutylece terephthalate) composite material |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN103302000A (en) * | 2013-06-27 | 2013-09-18 | 常熟康尼格科技有限公司 | Glue melting device for low-pressure glue injection machine |
CN104476692A (en) * | 2014-12-06 | 2015-04-01 | 荣成复合材料有限公司 | Fiber composite material stirring method and device adopting same |
CN105082389A (en) * | 2015-08-17 | 2015-11-25 | 芜湖蓝博塑胶有限公司 | Plastic particle mixing device |
CN107263889A (en) * | 2017-06-19 | 2017-10-20 | 新乡市景龙复合材料有限公司 | A kind of unsaturated polyester resin fiberglass production glue-injection machine and technique |
CN109262879A (en) * | 2018-08-22 | 2019-01-25 | 四川航天五源复合材料有限公司 | A kind of manufacture basalt fibre multiple tube send colloid system automatically |
CN109065830A (en) * | 2018-09-18 | 2018-12-21 | 博众精工科技股份有限公司 | Melt bottler placer feeding system |
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