CN105153650B - Compound impeller of pump and its manufacturing method - Google Patents

Compound impeller of pump and its manufacturing method Download PDF

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CN105153650B
CN105153650B CN201510411858.1A CN201510411858A CN105153650B CN 105153650 B CN105153650 B CN 105153650B CN 201510411858 A CN201510411858 A CN 201510411858A CN 105153650 B CN105153650 B CN 105153650B
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nano
pump
elastomer
compound
impeller
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CN105153650A (en
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张君波
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JUNHE PUMPS CO Ltd
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JUNHE PUMPS CO Ltd
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Abstract

The compound impeller of pump and its manufacturing method of the present invention, compound impeller of pump include the engineering plastics matrix that polyester fiber is formed;The elastomer that thermoplastic polymer is formed;And compatilizer, elastomer is interspersed in the composite mesh structure for forming high intensity in engineering plastics matrix for polymerization by compatilizer, wherein, engineering plastics matrix is polypropylene terephthalate, what elastomer was chosen is one or both of thermoplastic polyester elastomer, polyolefin elastomer, and compatilizer is ethylene-vinyl acetate copolymer, so as to, compound impeller of pump has high mechanical properties and good stability, effectively solves galvanic corrosion problems.

Description

Compound impeller of pump and its manufacturing method
Technical field
The present invention relates to a kind of composite materials, are a kind of high-strength complexes for being suitable for manufacture impeller of sea water pump specifically Close impeller of pump and its manufacturing method.
Background technology
Water pump is a kind of rotating machinery for being used for pumping various different liquids, and operating reliability and the service life of water pump exist To a certain extent with the liquid medium pumped to water pump overcurrent impeller used by extent of corrosion it is related, but correctly to accomplish It is very difficult to select the material of water pump vane.The especially material of impeller of sea water pump but will run into many difficulties.As seawater The ideal material of impeller of pump should not only have very high corrosion resistance, but also should have very good founder Skill and machining property.In addition, it should also have certain availability and economy.
Following main factor should be considered when selecting water pump vane manufacture material:Impeller material mechanical strength, corrosion resistant Corrosion energy, electrochemical corrosion resistant intensity, economy of sherardizing steel performance and material etc..In view of the specific work of sea water pump Make condition, seawater is a kind of Korrosionsmedium, is respectively provided with corrosivity to most of alloys and metal, and corrosion rate also compares Greatly.Meanwhile seawater is the electrolyte for having certain electric conductivity, when different metal or alloys contacts in the seawater, due to Metal or alloy has different electrode potentials in the seawater, the effect of primary cell will be generated, so that electrode potential Relatively low metal or alloy generates dissolving, so in the seawater it should be specifically noted that above-mentioned corrosion resistance and electrochemical corrosion resistant Characteristic.
Under normal circumstances, used by the impeller of water pump material by following several:1st, cast iron, because source is sufficient, price is just It is preferably employed in the preparation of water pump, still, in practical applications, (referred to herein be general cast iron to cast iron, is not wrapped Include some alloy cast irons) there is certain use limitation as the impeller of pump material for directly pumping seawater, it is tried in seawater corrosion It tests and is able to find rust caused by CAST IRON SEAWATER pump and cast iron impeller material after investigating coastal waters and foreign-going ship Lose phenomenon and adverse consequences;2nd, steel and stainless steel are also frequently used to the material as impeller of sea water pump, especially stainless Steel, wherein, the corrosion of formula body stainless steel difficult to understand in the seawater is very faint, even if also showing that under conditions of high flow rate good Corrosion resistance, but the utilization of steel and stainless steel is also to be subject to certain restrictions, in addition to the price problem of some stainless steels, also There are some other reasons, such as by taking casting character as an example, the technics comparing of cast steel is complicated, complex for some planforms Part, cast steel can not be completed, in addition, monel metal is the resistant material for being acknowledged as being used as at present, but for multiple The shaping of the impeller of miscellaneous shape, scrappage are quite high;3rd, copper alloy, the pump case of existing many sea water pumps and impeller brass alloys It is prepared with bell metal, these above-mentioned materials have good service life and mechanical performance, but are closed in brass A lot of other metallic elements such as tin, zinc, lead, nickel, chromium etc. must be added in gold or bell metal, it is necessary to consider it in sea Whether strong potential corrosion can be led to the problem of in this electrolyte of water;4th, plastics, it is well known that have many plastics in the seawater With superfine corrosion resistance and stability, manufacture to pump including seawater instead of metal with plastics The water pump vane of corrosive liquids can not only give the manufacture of pump to bring great economic effect, but also can make the runnability of pump Energy index is improved.In general the major advantage of plastics is light weight, has superior chemical stability and machine-shaping Performance has better corrosion resistance compared to metal, but the intensity of general plastics influences its using effect not as good as metal.It is existing Useful nylon plastic(s) (polyamide-based plastics) makes impeller of pump peculiar to vessel, but its intensity and some metal phase ratios still have one Fixed gap.
The content of the invention
It is a primary object of the present invention to provide a kind of compound impeller of pump and its manufacturing method, with high mechanical properties and Good stability, effectively solves galvanic corrosion problems, so as to significantly improve the durable performance of compound impeller of pump.
Another object of the present invention is to provide a kind of compound impeller of pump and its manufacturing method, it is suitable for sea water pump leaves Wheel replaces traditional metal alloy so that corrosion resistance, the electrochemical corrosion resistant of impeller material are strong by plastic composite Degree and sherardizing steel performance improve, and effectively prevent impeller of pump from being corroded in corrosive Seawater.
Another object of the present invention is to provide a kind of compound impeller of pump and its manufacturing method, pass through ethyl vinyl acetate second The elastomer that the engineering plastics matrix that alkene copolymer (EVA) polymeric polyester fiber is formed is formed with thermoplastic polymer, makes whole A system has high mechanical strength and in the seawater good stability.
Another object of the present invention is to provide a kind of compound impeller of pump and its manufacturing method, introduce nano-filled dose with The paradigmatic structure of strengthening material improves the bending modulus and robustness of product.
Another object of the present invention is to provide a kind of compound impeller of pump and its manufacturing method, pass through ethyl vinyl acetate second Thermoplastic polyester elastomer (TPEE), polyolefin elastomer (POE) are interspersed in polypropylene terephthalate by alkene copolymer (PTT) net structure is formed in, so as to obtain stable structural system, meanwhile, ethylene-vinyl acetate copolymer can also improve multiple Close the toughness of impeller of pump.
To achieve the above objectives, compound impeller of pump provided by the invention includes the engineering plastics base that polyester fiber is formed Body;The elastomer that thermoplastic polymer is formed;And the elastomer is interspersed in the engineering plastic by compatilizer, the compatilizer The composite mesh structure of high intensity is formed in material matrix for polymerization, wherein, the engineering plastics matrix is poly- terephthaldehyde Acid propylene glycol ester, what the elastomer was chosen is one or both of thermoplastic polyester elastomer, polyolefin elastomer, described Compatilizer is ethylene-vinyl acetate copolymer.
According to an embodiment of the invention, the compound impeller of pump further comprises adjuvant and assisted reaction agent, described Adjuvant is for the paradigmatic structure of the assisted and strengthened compound impeller of pump, and the assisted reaction agent is for by the adjuvant It is compound in the engineering plastics matrix and the elastomer, wherein, the adjuvant is nano-filled dose, the assisted reaction Agent is methacryloxypropyl silane and titanate coupling agent.
According to an embodiment of the invention, the nano-filled dose of selection is nanoclay, nano-calcium carbonate, nano-silica SiClx, nano-aluminium oxide, the nano-titanium dioxide of nano zine oxide are one or more.
According to an embodiment of the invention, the mixing of the nano-filled dose of selection nano zine oxide and nano-titanium dioxide The mixed proportion of object, the nano zine oxide and nano-titanium dioxide is 1: 2.
According to an embodiment of the invention, the compound impeller of pump further comprises additives, described compound for enhancing Stability, structural strength and the performance of impeller of pump, what the additives were chosen is stabilizer, plasticizer and stabilization The one or more of agent, wherein, the stabilizer is polycarboimide stabilizer, and the plasticizer is diisononyl adipate, The anti-aging agent is nickel dibutyl dithiocarbamate.
According to an embodiment of the invention, the material composition composition of the compound impeller of pump, is calculated as by weight:Gather to benzene two Formic acid propylene glycol ester is 10~70 parts;Thermoplastic polyester elastomer is 0~35 part;Polyolefin elastomer is 0~30 part;Ethylene- Acetate ethylene copolymer is 1~15 part;Methacryloxypropyl silane is 0~5 part;Nano-filled dose is 0~15 part;Titanate esters Coupling agent is 0~5 part;Plasticizer is 0~5 part;0~2 part of stabilizer;And 0~2 part of anti-aging agent.
According to an embodiment of the invention, the material composition composition of the compound impeller of pump, is calculated as by weight:Gather to benzene two Formic acid propylene glycol ester is 30~50 parts;Thermoplastic polyester elastomer is 20~35 parts;Polyolefin elastomer is 15~30 parts;Second Alkene-acetate ethylene copolymer is 3~8 parts;Methacryloxypropyl silane is 1~3 part;Nano-filled dose is 4~12 parts;Metatitanic acid Ester coupling agent is 1~4 part;Plasticizer is 1~4 part;0.5~1 part of stabilizer;And 0.5~1 part of anti-aging agent.
The manufacturing method of compound impeller of pump, including step:
(a) by engineering plastics matrix, elastomer dispersion mixing in compatilizer, substrate mixture is obtained, wherein, the work Engineering plastics matrix is polypropylene terephthalate, and what the elastomer was chosen is thermoplastic polyester elastomer, polyolefin bullet One or both of property body, the compatilizer is ethylene-vinyl acetate copolymer;
(b) modified adjuvant, the adjuvant are nano-filled dose, and titanate coupling agent and nano-filled dose are occurred occasionally Connection reaction so that described nano-filled dose is coated in the titanate coupling agent, obtains auxiliary mixture;
(c) auxiliary mixture and additives are introduced into described matrix mixture, are heated by graft polymerization reaction To compound;And
(d) by the compound melting extrusion, and pass through injection molding and obtain compound impeller of pump.
Wherein, the step (b) further comprises step:
(b.1) nano-filled dose is pre-processed, the titanate coupling agent of corrresponding quality is dissolved in a small amount of toluene solvant, is added 10-30min is stirred at room temperature in enter corrresponding quality part nano-filled dose;
(b.2) 90 DEG C are warming up to, continues to stir 30min so that titanate coupling agent occurs coupling with nano-filled dose and makees With;And
(b.3) extra solvent and nano-filled dose of drying for coating coupling agent are removed, obtains the auxiliary mixture.
Wherein, the auxiliary mixture is to carry out the modified of chemistry by nano-filled dose to coat so that described nano-filled Agent is with the engineering plastics matrix that the polypropylene terephthalate is formed with described two thermoplastic polyester elastomers with gathering The elastomer that olefin elastomer is formed has better compatible role, has undersaturated double bond can be with institute on titanate coupling agent It states elastomer and carries out graft reaction, and nano-filled dose be conducive to after being modified uniformly disperses in described matrix mixture.
Wherein, the step (d) includes step:
(d.1) compound is added in and melt blending, extrusion, cooling and granulation is carried out in double screw extruder, obtained To composite plastic particle;And
(d.2) the composite plastic particle is added in into injection molding machine, is sent to injection molding machine nozzle, goes forward side by side through being molded rotary screw Row pressurize forms the compound impeller of pump, suitable for impeller of sea water pump.
Wherein, in the manufacturing method of the compound impeller of pump, include the following steps:
(i) by proportioning will with polypropylene terephthalate, thermoplastic polyester elastomer, polyolefin elastomer, ethylene- Acetate ethylene copolymer and methacryloxypropyl silane are put into high-speed mixer, and 900~1000 revs/min of stirrings 5~ 10min obtains described matrix mixture;
(ii) described matrix mixture is heated to 70~80 DEG C, adds in the auxiliary mixture, increasing of corrresponding quality part Agent, anti-aging agent and stabilizer are moulded, continues 10~20min of stirring, obtains the compound;
(iii) compound is added in and melt blending, extrusion, cooling, granulation, twin-screw is carried out in double screw extruder The blending extrusion temperature of extruder is:One 170~180 DEG C of area, two 180~190 DEG C of areas, three 190~200 DEG C of areas, four areas 200~ 210 DEG C, five 210~220 DEG C of areas, 210~230 DEG C of head;180~220r/min of screw speed obtains the composite plastic grain Son;And
(iv) plastic pellet is added in into injection molding machine, is sent to through being molded rotary screw to injection molding machine nozzle, wherein, it is described Screw speed is 80~120r/min, and nozzle temperature is arranged on 250~280 DEG C, and injection pressure is 70~80Mpa, and is protected Pressure, dwell time are 45~50 seconds, and the compound impeller of pump of high intensity is prepared in shaping.
Specific embodiment
It is described below to disclose the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
The compound impeller of pump of the present invention includes the engineering plastics matrix that polyester fiber is formed;What thermoplastic polymer was formed Elastomer;And the elastomer is interspersed in the engineering plastics matrix to polymerize shape by compatilizer, the compatilizer Into high intensity composite mesh structure, wherein, the engineering plastics matrix is polypropylene terephthalate (PTT), described What elastomer was chosen is one or both of thermoplastic polyester elastomer (TPEE), polyolefin elastomer (POE), described compatible Agent is ethylene-vinyl acetate copolymer (EVA).
Wherein, the polypropylene terephthalate (PTT) is a kind of polyesters tencel haveing excellent performance, and is obtained To be formed by terephthalic acid (TPA) (PTA) and 1,3-PD (PDO) polycondensation.It by each repetitive unit is rigid phenyl ring that main chain, which is, The saturated linear molecular composition connected with flexible fatty alcohol, the height geometrical regularity and rigid element of molecule make entire body System has high mechanical strength, prominent chemical reagent resistance, heat resistance, and PTT symmetrical configurations, and what satisfaction was closely piled up will It asks, is suitable as the engineering plastics matrix of compound impeller of pump, be satisfied the intensity requirement of impeller of pump.
Wherein, the thermoplastic polyester elastomer (TPEE) is the block copolymerization containing polyester hard section and polyester soft segment Object, wherein polyester soft segment and uncrystallized polyester form amorphous phase polyester hard section partially crystallizable and form crystalline domains, play physics The effect of crosslinking points.TPEE has the elasticity of rubber and the intensity of engineering plastics;Soft segment assigns its elasticity, makes it as rubber;Firmly Section assigns its processing performance, makes it as plastics;With rubber phase ratio, it has better processing performance and longer service life; Compared with engineering material, equally have the characteristics that intensity is high, and flexibility and dynamic mechanical are more preferable.TPEE has splendid resistance to Oiliness is resistant to most of polar liquid chemical mediators at room temperature (such as acid, alkaloid compound).
Wherein, the polyolefin elastomer (POE) structure is similar to ethylene propylene diene rubber (EPDM), therefore POE also can With excellent properties such as ageing-resistant, resistance to ozone, resistant to chemical media.By being crosslinked to POE, the heat resisting temperature of material is carried Height, permanent deformation reduce, and the main mechanical properties such as tensile strength, tearing strength all have significant improvement.
Preferably, what the elastomer was chosen is thermoplastic polyester elastomer (TPEE) and polyolefin elastomer (POE), By the synergistic effect of described two elastomers, suitable for improving the tensile strength and impact strength of the compound impeller of pump Performance.
Wherein, the ethylene-vinyl acetate copolymer (EVA) is nontoxic, tasteless, grease resistance, acid and alkali corrosion, have compared with High elasticity and toughness, low temperature performance excellent may also function as the effect of bulking agent.The addition of EVA makes PTT, POE and TPEE mechanical Performance is greatly improved, this is because EVA has good compatibility with PTT, POE and TPEE, is total to by ethene-vinyl acetate Thermoplastic polyester elastomer (TPEE), polyolefin elastomer (POE) are interspersed in polypropylene terephthalate (PTT) by polymers Middle polymerization makes three form the structure of interspersed network very well, obtains a kind of structural system of stabilization.In addition, EVA can also improve material The toughness of material, meanwhile, ethylene-vinyl acetate copolymer can also improve the toughness of composite material, be conducive to making for compound impeller of pump With.So as to the engineering plastics matrix and thermoplasticity formed by ethylene-vinyl acetate copolymer (EVA) polymeric polyester fiber The elastomer that polymer is formed makes whole system have high mechanical strength and in the seawater good stability.
The compound impeller of pump further comprises adjuvant and assisted reaction agent, and the adjuvant is for assisted and strengthened The paradigmatic structure of the compound impeller of pump, the assisted reaction agent by the adjuvant for being compound in the engineering plastic Expect in matrix and the elastomer, wherein, the adjuvant is nano-filled dose, and the assisted reaction agent is methacryloxypropyl Base silane and titanate coupling agent, the methacryloxypropyl silane is for increase nano-filled dose, engineering plastics base The compatibility of body and elastomer, the titanate coupling agent are scattered in organic system for improving nano-filled dose Property.
Wherein, the nano-filled dose of selection is nanoclay, nano-calcium carbonate, nano silicon dioxide, three oxygen of nanometer It is one or more to change two aluminium, the nano-titanium dioxide of nano zine oxide.Described nano-filled dose can be with the polymerization of strengthening material Structure improves bending modulus, robustness, tensile strength, ductility, shear strength, shock resistance, compression strength of product etc. Performance can also reduce production cost.
Preferably, the mixture of the nano-filled dose of selection nano zine oxide and nano-titanium dioxide, the nanometer The mixed proportion of zinc oxide and nano-titanium dioxide is 1: 2.
Wherein, the methacryloxypropyl silane be able to by described nano-filled dose with the engineering plastics matrix and The elastomer has preferably compatibility, while described nano-filled dose can be made preferably to divide in PTT, TPEE and POE It dissipates.Simultaneously as TPEE hot water resistances are poor, TPEE, POE will be interspersed in PTT with EVA form netted knot in the present invention It during structure, adds in methacryloxypropyl silane and is grafted its unsaturated sites, entire compound pump impeller body system is made to have in the seawater Good stability suitable for impeller of sea water pump, replaces traditional metal alloy so that impeller material by plastic composite Corrosion resistance, electrochemical corrosion resistant intensity and sherardizing steel performance improve, effectively prevent impeller of pump corrosive Corroded in Seawater.
Wherein, the titanate coupling agent has good coupling effect for thermal plastic polymer and dry filler, In the present invention titanate coupling agent replace traditional silane coupling agent, effectively change inorganic matter (present invention refers to nano-filled dose) and Interface state between organic matter improves dispersiveness and anti-settling of the inorganic matter in organic system.This kind of coupling agent can use General formula:ROO (4-n) Ti (OX-R ' Y) n (n=2,3) is represented;Wherein RO- is hydrolyzable lower alkyloxy, can be with inorganic matter table Face hydroxyl reacts, so as to achieve the purpose that chemical coupling;OX- can be carboxyl, alkoxy, sulfonic group, phosphorus base etc., with high score Subbase material is physically or chemically combined.Compared with silane series coupling agent, titanate coupling agent price is cheaper, is both coupling Agent has the multiple efficacies such as dispersant, adhesive accelerant, curing catalysts, crosslinking agent, antirust agent and fire retardant concurrently again.
The compound impeller of pump further comprises additives, for enhancing the stability of the compound impeller of pump, knot Structure intensity and performance, what the additives were chosen is the one or more of stabilizer, plasticizer and stabilizer, In, the stabilizer is polycarboimide stabilizer, for improving the hydrolytic Resistance of the compound impeller of pump, the plasticising Agent is diisononyl adipate, and the anti-aging agent is nickel dibutyl dithiocarbamate.
The compound impeller of pump passes through polypropylene terephthalate (PTT), thermoplastic polyester elastomer (TPEE), poly- Olefin elastomer (POE), ethylene-vinyl acetate copolymer (EVA), methacryloxypropyl silane, nano-filled dose, titanate esters Coupling agent and additives are combined, and have high mechanical properties and good stability, effectively solve electrochemical corrosion and ask Topic, so as to significantly improve the durable performance of compound impeller of pump.
The material composition composition of the compound impeller of pump, is calculated as by weight:Polypropylene terephthalate (PTT) is 10~70 parts;Thermoplastic polyester elastomer (TPEE) is 0~35 part;Polyolefin elastomer (POE) is 0~30 part;Ethyl vinyl acetate Ethylene copolymer (EVA) is 1~15 part;Methacryloxypropyl silane is 0~5 part;Nano-filled dose is 0~15 part;Metatitanic acid Ester coupling agent is 0~5 part;Plasticizer is 0~5 part;0~2 part of stabilizer;And 0~2 part of anti-aging agent.
Preferably, the material composition composition of the compound impeller of pump, is calculated as by weight:Polypropylene terephthalate (PTT) it is 30~50 parts;Thermoplastic polyester elastomer (TPEE) is 20~35 parts;Polyolefin elastomer (POE) is 15~30 parts; Ethylene-vinyl acetate copolymer (EVA) is 3~8 parts;Methacryloxypropyl silane is 1~3 part;Nano-filled dose is 4~12 Part;Titanate coupling agent is 1~4 part;Plasticizer is 1~4 part;0.5~1 part of stabilizer;And 0.5~1 part of anti-aging agent.
That is, a kind of compound impeller of pump manufacturing method provided by the invention, including step:
(a) by engineering plastics matrix, elastomer dispersion mixing in compatilizer, substrate mixture is obtained, wherein, the work Engineering plastics matrix is polypropylene terephthalate, and what the elastomer was chosen is thermoplastic polyester elastomer, polyolefin bullet One or both of property body, the compatilizer is ethylene-vinyl acetate copolymer;
(b) modified adjuvant, the adjuvant are nano-filled dose, and titanate coupling agent and nano-filled dose are occurred occasionally Connection reaction so that described nano-filled dose is coated in the titanate coupling agent, obtains auxiliary mixture;
(c) auxiliary mixture and additives are introduced into described matrix mixture, are heated by graft polymerization reaction To compound;And
(d) by the compound melting extrusion, and pass through injection molding and obtain compound impeller of pump.
Wherein, the step (b) further comprises step:
(b.1) nano-filled dose is pre-processed, the titanate coupling agent of corrresponding quality is dissolved in a small amount of toluene solvant, is added 10-30min is stirred at room temperature in enter corrresponding quality part nano-filled dose;
(b.2) 90 DEG C are warming up to, continues to stir 30min so that titanate coupling agent occurs coupling with nano-filled dose and makees With;And
(b.3) extra solvent and nano-filled dose of drying for coating coupling agent are removed, obtains the auxiliary mixture.
Wherein, the step (d) includes step:
(d.1) compound is added in and melt blending, extrusion, cooling and granulation is carried out in double screw extruder, obtained To composite plastic particle;And
(d.2) the composite plastic particle is added in into injection molding machine, is sent to injection molding machine nozzle, goes forward side by side through being molded rotary screw Row pressurize forms the compound impeller of pump, suitable for impeller of sea water pump.
Wherein, in the manufacturing method of the compound impeller of pump, include the following steps:
(i) by proportioning will with polypropylene terephthalate, thermoplastic polyester elastomer, polyolefin elastomer, ethylene- Acetate ethylene copolymer and methacryloxypropyl silane are put into high-speed mixer, and 900~1000 revs/min of stirrings 5~ 10min obtains described matrix mixture;
(ii) described matrix mixture is heated to 70~80 DEG C, adds in the auxiliary mixture, increasing of corrresponding quality part Agent, anti-aging agent and stabilizer are moulded, continues 10~20min of stirring, obtains the compound;
(iii) compound is added in and melt blending, extrusion, cooling, granulation, twin-screw is carried out in double screw extruder The blending extrusion temperature of extruder is:One 170~180 DEG C of area, two 180~190 DEG C of areas, three 190~200 DEG C of areas, four areas 200~ 210 DEG C, five 210~220 DEG C of areas, 210~230 DEG C of head;180~220r/min of screw speed obtains the composite plastic grain Son;And
(iv) plastic pellet is added in into injection molding machine, is sent to through being molded rotary screw to injection molding machine nozzle, wherein, it is described Screw speed is 80~120r/min, and nozzle temperature is arranged on 250~280 DEG C, and injection pressure is 70~80Mpa, and is protected Pressure, dwell time are 45~50 seconds, and the compound impeller of pump of high intensity is prepared in shaping.
It the following is specific embodiment, embodiment 1
Combination pump impeller material ingredient forms proportioning:
The manufacturing method of the compound impeller of pump, includes the following steps:
(1) nano-filled dose is pre-processed, the titanate coupling agent of corrresponding quality is dissolved in a small amount of toluene solvant In, 10min is stirred at room temperature in add in corrresponding quality part nano-filled dose, is warming up to 90 DEG C, continues to stir 30min, ensure Titanate coupling agent and nano-filled dose of generation coupled action, remove extra solvent and the nano-filled object for coating coupling agent It is dry, obtain auxiliary mixture;
(2) PTT, POE, TPEE, EVA and methacryloxypropyl silane are put into high-speed mixer by proportioning, 1000 Rev/min stirring 8min, obtain substrate mixture;
(3) described matrix mixture is heated to 70 DEG C, adds in the auxiliary mixture of corrresponding quality part, plasticizer, anti-old Agent and stabilizer continue to stir 15min, obtain compound;
(4) compound is added in and melt blending, extrusion, cooling, granulation is carried out in double screw extruder, twin-screw squeezes The blending extrusion temperature for going out machine is:One 170 DEG C of area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, head 220℃;Screw speed 210r/min obtains composite plastic particle;And
(5) the composite plastic particle is added in into injection molding machine, (screw speed is through being molded rotary screw:100r/min) send Injection molding machine nozzle is reached, nozzle temperature is arranged on 250 DEG C, and injection pressure is:70Mpa, and carry out pressurize, dwell time be:45 Second, the compound impeller of pump prepared by above-mentioned material is formed, suitable for briny environment.
Embodiment 2
Combination pump impeller material ingredient forms proportioning:
The manufacturing method of the compound impeller of pump, includes the following steps:
(1) nano-filled dose is pre-processed, the titanate coupling agent of corrresponding quality is dissolved in a small amount of toluene solvant In, 20min is stirred at room temperature in add in corrresponding quality part nano-filled dose, is warming up to 90 DEG C, continues to stir 30min, ensure Titanate coupling agent and nano-filled dose of generation coupled action, remove extra solvent and the nano-filled object for coating coupling agent It is dry, obtain auxiliary mixture;
(2) PTT, POE, TPEE, EVA and methacryloxypropyl silane are put into high-speed mixer by proportioning, 900 Rev/min stirring 9min, obtain substrate mixture;
(3) described matrix mixture is heated to 75 DEG C, adds in the auxiliary mixture of corrresponding quality part, plasticizer, anti-old Agent and stabilizer continue to stir 15min, obtain compound;
(4) compound is added in and melt blending, extrusion, cooling, granulation is carried out in double screw extruder, twin-screw squeezes The blending extrusion temperature for going out machine is:One 175 DEG C of area, two 180 DEG C of areas, three 195 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, head 220℃;Screw speed 200r/min obtains composite plastic particle;And
(5) the composite plastic particle is added in into injection molding machine, (screw speed is through being molded rotary screw:120r/min) send Injection molding machine nozzle is reached, nozzle temperature is arranged on 260 DEG C, and injection pressure is:75Mpa, and carry out pressurize, dwell time be:45 Second, the compound impeller of pump prepared by above-mentioned material is formed, suitable for briny environment.
Embodiment 3
Combination pump impeller material ingredient forms proportioning:
The manufacturing method of the compound impeller of pump, includes the following steps:
(1) nano-filled dose is pre-processed, the titanate coupling agent of corrresponding quality is dissolved in a small amount of toluene solvant In, 15min is stirred at room temperature in add in corrresponding quality part nano-filled dose, is warming up to 90 DEG C, continues to stir 30min, ensure Titanate coupling agent and nano-filled dose of generation coupled action, remove extra solvent and the nano-filled object for coating coupling agent It is dry, obtain auxiliary mixture;
(2) PTT, POE, TPEE, EVA and methacryloxypropyl silane are put into high-speed mixer by proportioning, 1100 Rev/min stirring 5min, obtain substrate mixture;
(3) described matrix mixture is heated to 80 DEG C, adds in the auxiliary mixture of corrresponding quality part, plasticizer, anti-old Agent and stabilizer continue to stir 15min, obtain compound;
(4) compound is added in and melt blending, extrusion, cooling, granulation is carried out in double screw extruder, twin-screw squeezes The blending extrusion temperature for going out machine is:One 180 DEG C of area, two 185 DEG C of areas, three 195 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, head 220℃;Screw speed 200r/min obtains composite plastic particle;And
(5) the composite plastic particle is added in into injection molding machine, (screw speed is through being molded rotary screw:100r/min) send Injection molding machine nozzle is reached, nozzle temperature is arranged on 270 DEG C, and injection pressure is:80Mpa, and carry out pressurize, dwell time be:45 Second, the compound impeller of pump prepared by above-mentioned material is formed, suitable for briny environment.
Embodiment 4
Combination pump impeller material ingredient forms proportioning:
The manufacturing method of the compound impeller of pump, includes the following steps:
(1) nano-filled dose is pre-processed, the titanate coupling agent of corrresponding quality is dissolved in a small amount of toluene solvant In, 10min is stirred at room temperature in add in corrresponding quality part nano-filled dose, is warming up to 90 DEG C, continues to stir 30min, ensure Titanate coupling agent and nano-filled dose of generation coupled action, remove extra solvent and the nano-filled object for coating coupling agent It is dry, obtain auxiliary mixture;
(2) PTT, POE, TPEE, EVA and methacryloxypropyl silane are put into high-speed mixer by proportioning, 1000 Rev/min stirring 8min, obtain substrate mixture;
(3) described matrix mixture is heated to 70 DEG C, adds in the auxiliary mixture of corrresponding quality part, plasticizer, anti-old Agent and stabilizer continue to stir 15min, obtain compound;
(4) compound is added in and melt blending, extrusion, cooling, granulation is carried out in double screw extruder, twin-screw squeezes The blending extrusion temperature for going out machine is:One 170 DEG C of area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, head 220℃;Screw speed 220r/min obtains composite plastic particle;And
(5) the composite plastic particle is added in into injection molding machine, (screw speed is through being molded rotary screw:90r/min) send Injection molding machine nozzle is reached, nozzle temperature is arranged on 280 DEG C, and injection pressure is:80Mpa, and carry out pressurize, dwell time be:50 Second, the compound impeller of pump prepared by above-mentioned material is formed, suitable for briny environment.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these variation and Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its Equivalent defines.

Claims (3)

1. a kind of compound impeller of pump, which is characterized in that including:
The engineering plastics matrix that polyester fiber is formed;
The elastomer that thermoplastic polymer is formed;
The elastomer is interspersed in the engineering plastics matrix and forms high intensity for polymerization by compatilizer, the compatilizer Composite mesh structure, wherein, the engineering plastics matrix is polypropylene terephthalate, the elastomer be thermoplasticity Polyester elastomer and polyolefin elastomer, the compatilizer are ethylene-vinyl acetate copolymers;
Adjuvant and assisted reaction agent, the adjuvant is for the paradigmatic structure of the assisted and strengthened compound impeller of pump, institute Assisted reaction agent is stated for the adjuvant is compound in the engineering plastics matrix and the elastomer, wherein, it is described Adjuvant is nano-filled dose, the nano-filled dose of selection be nanoclay, nano-calcium carbonate, nano silicon dioxide, receive Rice alundum (Al2O3), nano zine oxide, the one or more of nano-titanium dioxide, the assisted reaction agent are methacryloxypropyl Base silane and titanate coupling agent, wherein, the material composition composition of the compound impeller of pump is by mass percentage 40% Polypropylene terephthalate, 28% thermoplastic polyester elastomer, 12% polyolefin elastomer, 4% ethyl vinyl acetate Ethylene copolymer, 2% methacryloxypropyl silane, nano-filled dose of 7%, 3% titanate coupling agent, 3% increasing Mould agent, 0.5% stabilizer and 0.5% anti-aging agent.
2. compound impeller of pump according to claim 1, the stabilizer is polycarboimide stabilizer, and the plasticizer is for oneself Diisononyl adipate, the anti-aging agent are nickel dibutyl dithiocarbamates.
3. a kind of manufacturing method of compound impeller of pump as claimed in claim 1 or 2, includes the following steps:
(i) proportioning is pressed by polypropylene terephthalate, thermoplastic polyester elastomer, polyolefin elastomer, ethyl vinyl acetate second Alkene copolymer and methacryloxypropyl silane are put into high-speed mixer, and 900~1000 revs/min of 5~10min of stirring are obtained Substrate mixture;
(ii) described matrix mixture is heated to 70~80 DEG C, adds in the auxiliary mixture of corrresponding quality part, plasticizer, anti-old Agent and stabilizer continue 10~20min of stirring, obtain compound, wherein, the preparation method of the auxiliary mixture includes step:
(b.1) nano-filled dose is pre-processed, the titanate coupling agent of corrresponding quality is dissolved in a small amount of toluene solvant, adds in phase Answer nano-filled dose of mass parts 10-30min, the nano-filled dose of selection nano zine oxide and nanometer two is stirred at room temperature The mixed proportion of the mixture of titanium oxide, the nano zine oxide and nano-titanium dioxide is 1: 2;
(b.2) 90 DEG C are warming up to, continues to stir 30min so that titanate coupling agent and nano-filled dose of generation coupled action;With And
(b.3) extra solvent and nano-filled dose of drying for coating coupling agent are removed, obtains the auxiliary mixture;
(iii) compound is added in and melt blending, extrusion, cooling, granulation, twin-screw extrusion is carried out in double screw extruder The blending extrusion temperature of machine is:One 170~180 DEG C of area, two 180~190 DEG C of areas, three 190~200 DEG C of areas, four areas 200~210 DEG C, five 210~220 DEG C of areas, 210~230 DEG C of head;180~220r/min of screw speed obtains composite plastic particle;And
(iv) plastic pellet is added in into injection molding machine, is sent to through being molded rotary screw to injection molding machine nozzle, wherein, the screw rod Rotating speed is 80~120r/min, and nozzle temperature is arranged on 250~280 DEG C, and injection pressure is 70~80Mpa, and carries out pressurize, is protected It is 45~50 seconds to press the time, and the compound impeller of pump of high intensity is prepared in shaping.
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Address after: 315171 Wanzhong village, jishigang Town, Haishu District, Ningbo City, Zhejiang Province

Patentee after: JUNHE PUMPS HOLDING Co.,Ltd.

Address before: 315171, Zhejiang, Ningbo province Yinzhou District Collection Town Village

Patentee before: JUNHE PUMPS HOLDING Co.,Ltd.