CN102322442A - Water pump impeller made of polyphenylene sulfide (PPS) material and manufacturing method of water pump impeller - Google Patents
Water pump impeller made of polyphenylene sulfide (PPS) material and manufacturing method of water pump impeller Download PDFInfo
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- CN102322442A CN102322442A CN201110260518A CN201110260518A CN102322442A CN 102322442 A CN102322442 A CN 102322442A CN 201110260518 A CN201110260518 A CN 201110260518A CN 201110260518 A CN201110260518 A CN 201110260518A CN 102322442 A CN102322442 A CN 102322442A
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Abstract
The invention relates to a water pump impeller made of a polyphenylene sulfide (PPS) material. A material of an impeller body is an engineering plastic composed of pure polyphenylene sulfide (PPS) which accounts for 50-70 percent of the weight of the impeller body and modified glass fibers which account for 30-50 percent of the weight of the impeller body; an impeller seat with an inner groove is installed in the impeller body, and the impeller seat and the impeller body are integrated into a whole. A manufacturing method of the water pump impeller provided by the invention comprises the steps of: separating a preheated movable mould of an impeller mould from a stationary mould; sleeving the preheated impeller seat into an impeller seat positioning shaft inside the movable mould; then performing mould matching and mould locking; and delivering PPS plastic in a charging barrel of a plastic injection moulding machine to a spray nozzle of the plastic injection moulding machine, injecting the PPS plastic into the movable mould of the impeller mould, and maintaining pressure to form a finished water pump impeller product made of PPS material. The water pump impeller has the characteristics of lighter weight, good dimensional stability and dynamic balance, corrosion resistance, high strength and the like, and an automobile water pump employing the PPS impeller has the advantages of smooth operation, high efficiency and long service life.
Description
Technical field
The present invention relates to a kind of impeller, specifically relate to a kind of water pump vane and production method thereof that is applied on the automobile.
Background technique
At present, the auto pump assembly is by formations such as belt pulley, water pump body, impeller shaft (containing bearing), water-sealed component, impellers.Water pump vane is the power unit of the liquid circulation used of water pump; Its working principle is: motor is through the rotation of belt pulley impeller axle; Impeller and impeller shaft connect as one; The rotation of impeller shaft rotation impeller is thrown out of cooling liquid, thereby reaches the purpose of liquid circulation in the acceleration cooling system under the impeller centrifugal action.The material that water pump vane uses is mainly cast iron, steel plate or aluminum alloy, differs from one another and deficiency.The cast iron impeller uses at most, its anticorrosive, long service life, but weight is heavier, and because impeller is a casting, the dynamic balance of impeller is poor; Water pump is when work, and the stationarity of this impeller reduces, and consumed power is big during work, thereby has reduced the efficient of water pump.The steel plate impeller weight is lighter, but corrosion-resistant, and leaf wing shape receives process technology limit and can only make simple leaf wing shape.The aluminum alloy impeller weight is lighter, can make multiple leaf wing shape, but corrosion-resistant.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, is the water pump vane and the production method thereof of master's the polyphenyl thioether material that weight is light, dimensional stability is good, dynamic balance is good, corrosion-resistant, intensity is high with polyphenylene sulfide (being called PPS) material and provide a kind of.
The object of the invention is realized through following technological scheme: a kind of water pump vane of polyphenyl thioether material; Comprise impeller body; The material of said impeller body is to account for the engineering plastics that pure polyphenylene sulfide and the modified glass-fiber of the 30-50% that accounts for impeller body weight of the 50-70% of impeller body weight are formed; And the impeller base of tool inner groovy is housed in the impeller body, and this impeller base and impeller body constitute one.
Production method like the water pump vane of said polyphenyl thioether material is: impeller mold dynamic model that preheating is good and quiet mould are separately; The impeller base that preheating is good is inserted on the impeller base positioning shaft in the impeller mold dynamic model; Impeller mold dynamic model and the quiet mould of impeller mold are carried out matched moulds, locked mode, and the PPS plastics are sent to the injection machine nozzle through the injection moulding rotary screw of injection machine in injecting machine material tube and are injected in the impeller mold dynamic model, and carry out pressurize; Form the water pump vane of PPS material; Impeller mold dynamic model and quiet mould separately eject the impeller mold dynamic model by the mould ejector rod in the impeller mold dynamic model with the water pump vane of PPS material, take out this water pump vane finished product.
PPS, Chinese are polyphenylene sulfide, and it has hard and crisp, characteristics such as degree of crystallinity is high, difficult combustion, good thermal stability, mechanical strength is higher, electrical property is good, resistance to chemical corrosion is strong.PPS is one of best kind of heat resistance in the engineering plastics, and generally greater than 260 ℃, chemical resistance is only second to teflon to its heat distortion temperature.In addition, it also has advantages such as molding shrinkage is little, water absorption rate is low, fire retardancy is good, the vibration resistance fatigability is good, arc resistance is strong.Its deficiency is that fragility is big, poor toughness, and impact strength is low, but through after the glass fibre modification, has overcome above-mentioned deficiency, has obtained very excellent comprehensive performance, can on water pump vane, use fully.The impeller body of this water pump vane combines with the impeller base of tool inner groovy firmly closely; It is by the injection machine compression molding; The technology simple possible has that weight is light, characteristics such as dimensional stability is good, dynamic balance is good, corrosion-resistant, intensity height, adopts the auto pump stable working of PPS impeller; Efficient is high, long service life.
Description of drawings
Fig. 1 is the structural representation of the water pump vane of polyphenyl thioether material of the present invention.
Fig. 2 is the employed injection molding process schematic representation of water pump vane production method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and mode of execution the present invention is made further detailed description.
Can know with reference to Fig. 1; The water pump vane of polyphenyl thioether material of the present invention; Comprise impeller body 1; The material of said impeller body 1 be account for impeller body weight 50-70% pure polyphenylene sulfide (abbreviating PPS as) and account for the engineering plastics that the modified glass-fiber of the 30-50% of impeller body weight is formed, and the impeller base 2 of tool inner groovy is housed in the impeller body 1, this impeller base 2 constitutes one with impeller body 1.
The water pump vane of PPS material comprises impeller body 1, the impeller base 2 of PPS material.The forming process of this water pump vane is mainly by the quiet mould of injection machine 9 (comprising injecting machine material tube 5, injection machine nozzle 6, injection moulding rotary screw etc.) and impeller mold dynamic model 3 (impeller base positioning shaft 7, mould ejector rod 8 are housed in it), impeller mold 4, mould seat 10 common completion.
With reference to Fig. 2; The production method of the water pump vane of polyphenyl thioether material is: for making the water pump vane of good PPS material; At first, must PPS plastic pellet (solid) be prepared drying, its drying temperature and time are: 120 ℃ * 5 hours～150 ℃ * 2 hours; PPS plastics (liquid) must be preheated to 270 ℃～290 ℃ in the injecting machine material tube 5 of injection machine before injection moulding; The impeller mold dynamic model must be preheated to 135 ℃～150 ℃ (dynamic model inner chamber measured values) before PPS was plastic injection-moulded, and impeller base is put into the preceding necessary clean of impeller mold dynamic model, and is preheated to 100 ℃～130 ℃; Impeller mold dynamic model that preheating is good and quiet mould are separately; The impeller base 2 that preheating is good is inserted on the impeller base positioning shaft 7 in the impeller mold dynamic model; Impeller mold dynamic model and the quiet mould of impeller mold are carried out matched moulds, locked mode, and (screw speed is: 50～150rpm) send to and are injected into to injection machine nozzle 6 (nozzle temperature is: 280 ℃～320 ℃) that (injection pressure is: 600～1400kg/m in the impeller mold dynamic model PPS plastics through the injection moulding rotary screw of injection machine in injecting machine material tube 5
2); And carry out pressurize (dwell time be: 45～50 seconds), and forming the water pump vane of PPS material, impeller mold dynamic model and quiet mould are separately; By the mould ejector rod 8 in the impeller mold dynamic model water pump vane of PPS material is ejected the impeller mold dynamic model, take out this water pump vane finished product.
At present, Yuchai, domestic well-known motor enterprise one Guangxi machine supporting auto pump assembly all adopted the PPS water pump vane, and through reaching 18 months checking, the early stage fault of damaging of none routine water pump vane takes place, and receives client's favorable comment deeply.
Claims (4)
1. the water pump vane of a polyphenyl thioether material; Comprise impeller body (1); It is characterized in that: the material of said impeller body (1) be account for impeller body weight 50-70% pure polyphenylene sulfide (PPS) and account for the engineering plastics that the modified glass-fiber of the 30-50% of impeller body weight is formed; And the impeller base (2) of tool inner groovy is housed in the impeller body (1), and this impeller base (2) constitutes one with impeller body (1).
2. the production method of the water pump vane of polyphenyl thioether material as claimed in claim 1; It is characterized in that: impeller mold dynamic model that preheating is good and quiet mould are separately; The impeller base that preheating is good is inserted on the impeller base positioning shaft in the impeller mold dynamic model; Impeller mold dynamic model and the quiet mould of impeller mold are carried out matched moulds, locked mode, and the PPS plastics are sent to the injection machine nozzle through the injection moulding rotary screw of injection machine in injecting machine material tube and are injected in the impeller mold dynamic model, and carry out pressurize; Form the water pump vane of PPS material; Impeller mold dynamic model and quiet mould separately eject the impeller mold dynamic model by the mould ejector rod in the impeller mold dynamic model with the water pump vane of PPS material, take out this water pump vane finished product.
3. the production method of the water pump vane of polyphenyl thioether material as claimed in claim 2; It is characterized in that: at first; Must the PPS plastic pellet be prepared drying; Its drying temperature and time are: 120 ℃ * 5 hours～150 ℃ * 2 hours, the PPS plastics must be preheated to 270 ℃～290 ℃ in the injecting machine material tube of injection machine before injection moulding, and the impeller mold dynamic model must be preheated to 135 ℃～150 ℃ before PPS was plastic injection-moulded; Impeller base is put into the preceding necessary clean of impeller mold dynamic model, and is preheated to 100 ℃～130 ℃.
4. the production method of the water pump vane of polyphenyl thioether material as claimed in claim 3, it is characterized in that: described screw speed is: 50～150rpm, nozzle temperature is: 280 ℃～320 ℃, injection pressure is: 600～1400kg/m
2, the dwell time is: 45～50 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110260518A CN102322442A (en) | 2011-08-30 | 2011-08-30 | Water pump impeller made of polyphenylene sulfide (PPS) material and manufacturing method of water pump impeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110260518A CN102322442A (en) | 2011-08-30 | 2011-08-30 | Water pump impeller made of polyphenylene sulfide (PPS) material and manufacturing method of water pump impeller |
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| Publication Number | Publication Date |
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| CN102322442A true CN102322442A (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110260518A Pending CN102322442A (en) | 2011-08-30 | 2011-08-30 | Water pump impeller made of polyphenylene sulfide (PPS) material and manufacturing method of water pump impeller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423192A (en) * | 2013-08-02 | 2013-12-04 | 孟轲 | Method for manufacturing automobile engine water pump plastic impeller |
| CN103600476A (en) * | 2013-11-22 | 2014-02-26 | 四川华通特种工程塑料研究中心有限公司 | Preparation process of paper-making polyphenylene sulfide millstone |
| CN104669535A (en) * | 2013-12-02 | 2015-06-03 | 苏州市吴中区临湖俊峰机械厂 | Plastic mold for molding small wind wheel for draught fan |
| CN109251532A (en) * | 2018-09-14 | 2019-01-22 | 江苏新孚达复合材料有限公司 | A kind of plastic impeller composite material and preparation method and application |
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| CN1087921A (en) * | 1992-12-09 | 1994-06-15 | 刘祚礼 | Extraordinary sulfone and ether engineering plastic and non-metal alloy pump and valve technology |
| CN1580579A (en) * | 2003-08-05 | 2005-02-16 | 松下电器产业株式会社 | Blower impeller |
| CN1621679A (en) * | 2003-11-26 | 2005-06-01 | 陈镇华 | Impeller of impeller-type electric spraying pump and composition for manufacturing the impeller |
| CN201650734U (en) * | 2009-12-23 | 2010-11-24 | 博山精工泵业有限公司 | Compound corrosion-resistant water-ring type vacuum pump |
| CN202280650U (en) * | 2011-08-30 | 2012-06-20 | 浙江三工汽车零部件有限公司 | Water pump impeller made of polyphenylene sulfide material |
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2011
- 2011-08-30 CN CN201110260518A patent/CN102322442A/en active Pending
Patent Citations (5)
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| CN1087921A (en) * | 1992-12-09 | 1994-06-15 | 刘祚礼 | Extraordinary sulfone and ether engineering plastic and non-metal alloy pump and valve technology |
| CN1580579A (en) * | 2003-08-05 | 2005-02-16 | 松下电器产业株式会社 | Blower impeller |
| CN1621679A (en) * | 2003-11-26 | 2005-06-01 | 陈镇华 | Impeller of impeller-type electric spraying pump and composition for manufacturing the impeller |
| CN201650734U (en) * | 2009-12-23 | 2010-11-24 | 博山精工泵业有限公司 | Compound corrosion-resistant water-ring type vacuum pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423192A (en) * | 2013-08-02 | 2013-12-04 | 孟轲 | Method for manufacturing automobile engine water pump plastic impeller |
| CN103600476A (en) * | 2013-11-22 | 2014-02-26 | 四川华通特种工程塑料研究中心有限公司 | Preparation process of paper-making polyphenylene sulfide millstone |
| CN103600476B (en) * | 2013-11-22 | 2016-01-27 | 四川华通特种工程塑料研究中心有限公司 | A kind of preparation technology of paper grade (stock) Polyphenylene sulfide millstone |
| CN104669535A (en) * | 2013-12-02 | 2015-06-03 | 苏州市吴中区临湖俊峰机械厂 | Plastic mold for molding small wind wheel for draught fan |
| CN109251532A (en) * | 2018-09-14 | 2019-01-22 | 江苏新孚达复合材料有限公司 | A kind of plastic impeller composite material and preparation method and application |
| CN109251532B (en) * | 2018-09-14 | 2021-01-12 | 江苏新孚达复合材料有限公司 | Composite material for plastic impeller and preparation method and application thereof |
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Application publication date: 20120118 |