CN106837507A - A kind of internal combustion engine cooling water pump and its production technology - Google Patents
A kind of internal combustion engine cooling water pump and its production technology Download PDFInfo
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- CN106837507A CN106837507A CN201710036196.3A CN201710036196A CN106837507A CN 106837507 A CN106837507 A CN 106837507A CN 201710036196 A CN201710036196 A CN 201710036196A CN 106837507 A CN106837507 A CN 106837507A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/007—Ferrous alloys, e.g. steel alloys containing silver
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
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- Chemical & Material Sciences (AREA)
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- Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of internal combustion engine cooling water pump, including water pump cover, rotating shaft, cover plate and impeller, water pump cover is formed with cavity, and rotating shaft is arranged on cavity middle part by bearing, impeller can be along own axes rotation in rotating shaft, and cover plate is affixed with the side that water pump cover is formed with cavity；Water pump cover is provided with water inlet and delivery port, and cut water is formed near water outlet in cavity, and volute chamber runner is formed between cut water and delivery port, and volute chamber runner is circular arc type；Impeller includes wheel hub, wheel disc and blade, and wheel hub is affixed with the center of wheel disc, and blade is arc-shaped flaky, and blade is at least two panels and is disposed in an evenly spaced relation on wheel disc around wheel hub, and at least two openings are provided with wheel disc, and opening is set between the blades；Internal combustion engine cooling water pump of the invention increases available volume in cavity by reducing the volume and quality of impeller in wheel disc upper shed, and the flow of water pump is improve in the case where water pump appearance and size and interface is not changed and energy consumption is reduced.
Description
Technical field
The present invention relates to a kind of internal combustion engine cooling water pump and its production technology, belong to technical field of automobile.
Background technology
During internal combustion engine need cooling in case temperature raise, generally using cooling water pump press-in cooling water carry out water-cooled,
Because Structure of Internal-Combustion Engine is complicated, its internal cooling water channel curved narrow is big to resistance to water-flow, therefore cooling water pump is in certain operating mode
With the key that the uninterrupted under use condition has become influence internal combustion engine cooling effect.
Existing internal combustion engine cooling water pump major part is mechanical water pump, and the operating of water pump is driven by engine spindle, hair
When motivation rotating speed is high, pump rotary speed is just high, and flow just increases, and when engine speed is low, flow reduces；Due to engine cold-start
When, engine does not need cooling system work in itself, but engine water pump can start working as engine is operated, and can make
More long into engine warm-up time, engine consumption is higher, discharges poor etc., and the flow of its water pump can not be according to engine cool
The demand of system is adjusted.
The content of the invention
The technical problem to be solved in the present invention is, in view of the shortcomings of the prior art, proposing that a kind of flow is big, to cool down fast and energy
Enough internal combustion engine cooling water pumps being adjusted according to the demand of engine-cooling system and its production technology.
The present invention is that the technical scheme for solving above-mentioned technical problem proposition is：A kind of internal combustion engine cooling water pump, including water
Pump case, rotating shaft, cover plate and impeller, water pump cover are formed with cavity, and rotating shaft is arranged on cavity middle part by bearing, and impeller can be along certainly
Body axis rotation in rotating shaft, cover plate is affixed with the side that water pump cover is formed with cavity；Water pump cover is provided with into water
Mouth and delivery port, cut water is formed with cavity near water outlet, and volute chamber runner is formed between cut water and delivery port, and volute chamber runner is
Circular arc type；
Impeller includes wheel hub, wheel disc and blade, and wheel hub is affixed with the center of wheel disc, and blade is arc-shaped flaky, and blade is at least two
Piece is simultaneously disposed in an evenly spaced relation on wheel disc around wheel hub, and at least two openings are provided with wheel disc, and opening is set between the blades；
The mass percent of each composition is in internal combustion engine cooling water pump：C：0.02-0.03%, Al:1.16-1.83%,Zn:
1.22-1.39%,Mn：0.37-0.58%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.02-0.04%, Ni：0.84-1.19%,
Cu：0.25-0.29%, V：0.02-0.05%, Mo：0.06-0.09%, Ti：1.33-1.59%, B：0.01-0.02%, Pd：0.02-
0.04%,Pt：0.33-0.49%,W：0.23-0.36%,Nd：0.13-0.16%,Ce：0.11-0.12%,Eu：0.07-0.15%,
Lu:0.03-0.07%, Au：0.33-0.42%, Ag:0.86-1.04%, Ga：0.01-0.02%, Y：0.21-0.27%, Sn：1.34-
1.58%, Zr：0.02-0.07%, Re：0.01-0.03%, Bi：0.05-0.09%, magnesia：0.33-0.37%, cupric oxide：
0.08-0.13%, iron oxide：0.12-0.18%, manganese dioxide：0.06-0.09%, Kocide SD：0.05-0.08%, hydrogen-oxygen
Change iron：0.03-0.05%, balance of Fe；
The production technology of internal combustion engine cooling water pump is comprised the following steps：
(i) melting raw material：
A, added raw materials into smelting furnace by the mass percent of each composition in predetermined internal combustion engine cooling water pump, by smelting furnace
Temperature brings up to 1520 degrees Celsius to 1540 degrees Celsius, and raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water-cooled is combined with air cooling during cooling, first uses water-cooled with 15-18
DEG C/cooldown rate of s by alloy solution water-cooled to 450-460 DEG C of formation alloy, be then air cooled to 340-350 DEG C, then using water
The cold cooldown rate with 18-20 DEG C/s is by alloy water-cooled to room temperature；
C, heating, the alloy after previous step is cooled down carry out secondary smelting in smelting furnace, and the temperature in smelting furnace is brought up into 1580
Degree Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, the alloy solution in smelting furnace is poured into electric furnace, nodulizer and inovulant are sequentially added in the bag hole of casting ladle, use thin steel
Plate is covered on nodulizer, inovulant, and is consolidated, and the thickness of sheet metal is 0.5mm to 1mm；
E, the opposite side that the alloy solution in electric furnace is poured into casting ladle indent, spheroidizing reacion 70s to 85s, after spheroidizing reacion is abundant,
The slag agent of one layer of collection is spread, is quickly skimmed；
F, it is quick skim after, be sprinkled into swelling perlite powder on alloy solution surface immediately, twice of slag hitting after the completion of slag hitting, is formed
Alloy solution to be cast, was poured in five minutes；
(ii) prepared by wax-pattern：Using mechanical casting, making is consistent with the impeller size of internal combustion engine cooling water pump and includes insulation
The wax-pattern of rising head, and wax-pattern is repaired, wax-pattern is cleaned using wax base cleaning agent afterwards；
(iii) shell model sand mold is made in step (ii) obtained wax-pattern；
(iv) dewax：Using steam dewaxing, the pressure of steam is 0.8MPa, and the time is 25-45 minutes, and shell mould is obtained；
(v) shell mould roasting；
(vi) the (v) roasting shell mould of step is put into the sandbox prepared by formative technology, blend compounds band is sealed to be used on the shell mould
The cast gate and insulated feeder of cast, are then placed in the mixed sand by preparing, and are carried out with foundry jolter again after piling mixed sand
Ram-jolt, forms sand mold；
(vii) pour into a mould
Baking 1 hour is carried out to shell mould with the air-heater of 400-420 degrees Celsius of constant temperature before cast, during cast, pouring temperature is
1550-1650 degrees Celsius, after cast, casting is incubated 2-3 hours in sand mold；After moulding by casting, the demoulding is carried out, crushes shell mould,
The insulated feeder of casting is cut off, casting is obtained；
(viii) the casting after moulding by casting is machined, and cylinder iron Vehicle Processing goes out water pump cover, rotating shaft and cover plate；
(ix) the casting after Vehicle Processing is heat-treated, concrete technology is：
A, heating：Casting is heated to 640-665 DEG C, and is incubated 45-55min；
B, cooling：After using the air-cooled cooldown rate with 15-18 DEG C/s to accelerate to be cooled to 410-420 DEG C by casting, then it is air cooled to
Room temperature；
C, once it is tempered：After casting is heated into 560-575 DEG C of tempering 41-43min, warm 30-45s is treated, make automobile gearbox tooth
Wheel equalizing temperature, after accelerating to be cooled to 355-365 DEG C with the cooldown rate of 28-35 DEG C/s afterwards, then is air cooled to room temperature；
D, double tempering：Room temperature is air cooled to after automobile gearbox gear is heated into 614-618 DEG C of tempering 53-59min；
E, will be processed through double tempering after casting be put into well formula gas heating furnace, Quench heating treatment is carried out to casting,
Quenching and preserving heat temperature is 740 DEG C ± 10 DEG C, and soaking time is 1.2-1.5h；Quickly tank water is put into after the completion of casting Quench heating
Cold 15-25 minutes, cooling bath water temperature is controlled at 25-50 DEG C；
(x) the casting after heat treatment is covered into abrasion-resistant metal coating, concrete technology is：
A, dispensing：The component of the abrasion-resistant metal coating is by mass percentage：Carbon：0.17-0.22%, boron：0.23-0.26%,
Chromium：3.5-3.7%, titanium：3.1-3.6%, vanadium：1.5-1.7%, cobalt：0.23-0.45%, niobium：0.33-0.45%, calcium：0.32-
0.37%, barium：0.15-0.27%, tungsten：0.74-0.97%, zinc：2.5-2.8%, samarium：1.3-1.6%, neodymium：2.2-2.7%, promethium：
0.32-0.44%, europium：0.29-0.34%, gadolinium：1.6-1.8%, aluminium：4.25-4.78%, auxiliary agent：6.3-6.6%, balance of iron；
The component of the auxiliary agent is calculated by weight as：Zircon：9-13 parts, kaolinite：13-16 parts, graphite powder：5-8 parts, copper
Powder：15-17 parts, nickel powder：11-14 parts, aluminium powder：12-15 parts；
B, carbon, boron, chromium, titanium, vanadium, cobalt, niobium, calcium, barium and ferro element are put into smelting furnace, furnace temperature is then risen into 520-530
After DEG C, 1.5-2 hours is incubated, temperature is then risen to 1350-1360 DEG C, be put into tungsten, zinc, samarium, neodymium, promethium, europium, gadolinium, aluminium element,
Stir, be incubated 2-6 hours, then water-cooled is to 350-360 DEG C, then is air cooled to room temperature；
C, melting furnace temperature is increased to 1520-1530 DEG C, and be put into auxiliary agent, be incubated 4-7h, then whole nitrogen flushing gas agitating will
Temperature is reduced to 670-680 DEG C；Then water-cooled is cooled to 320-330 DEG C with the speed of 18-25 DEG C/s, is then air cooled to room temperature；
D, the metal that step c is obtained is put into ball mill, temperature is increased to 320-350 DEG C, be incubated 1-3 hours, Ran Houqi
Dynamic ball mill milling, then temperature is increased to 620-630 DEG C, 1-2 hours is incubated, 350-360 DEG C is being reduced to, crush, cross 100
Mesh sieve, obtains powder particle A；
E, the surface that the powder particle A in step d is sprayed into the casting after heat treatment, and thickness is 0.65-1.05mm, then
650-670 DEG C is heated to the speed of 15-20 DEG C/min, 1-2 hours is incubated, then temperature is air-cooled with the speed of 5-8 DEG C/min
To 220-250 DEG C, 1-2 hours is incubated, is air cooled to room temperature, impeller is obtained, then impeller is carried out with water pump cover, rotating shaft and cover plate
Assembling is obtained final internal combustion engine cooling water pump.
The improvement of above-mentioned technical proposal is：Also include the motor for drive shaft, output shaft and the rotating shaft of motor pass through
Shaft coupling is connected.
The improvement of above-mentioned technical proposal is：Motor is interval with water pump seal with rotating shaft.
The improvement of above-mentioned technical proposal is：The water inlet of water pump cover is provided with temperature control valve.
The improvement of above-mentioned technical proposal is：Sealing ring is provided between temperature control valve and water inlet.
The improvement of above-mentioned technical proposal is：Gasket seal is provided between water pump cover and cover plate.
The improvement of above-mentioned technical proposal is：Water pump cover is provided with least one piece fin at motor.
The improvement of above-mentioned technical proposal is：The mass percent of each composition is in internal combustion engine cooling water pump：C：0.02%,
Al:1.17%,Zn:1.25%,Mn：0.38%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.03%, Ni：0.89%, Cu：0.26%,
V：0.03%, Mo：0.07%, Ti：1.37%, B：0.01%, Pd：0.03%,Pt：0.34%,W：0.27%,Nd：0.15%,Ce：
0.11%,Eu：0.08%,Lu:0.04%, Au：0.35%, Ag:0.88%, Ga：0.01%, Y：0.22%, Sn：1.36%, Zr：0.03%,
Re：0.02%, Bi：0.06%, magnesia：0.34%, cupric oxide：0.09%, iron oxide：0.15%, manganese dioxide：0.07%,
Kocide SD：0.06%, iron hydroxide：0.04%, balance of Fe.
The improvement of above-mentioned technical proposal is：The mass percent of each composition is in internal combustion engine cooling water pump：C：0.03%,
Al:1.77%,Zn:1.29%,Mn：0.48%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.04%, Ni：1.14%, Cu：0.26%,
V：0.04%, Mo：0.08%, Ti：1.39%, B：0.02%, Pd：0.04%,Pt：0.49%,W：0.29%,Nd：0.15%,Ce：
0.12%,Eu：0.09%,Lu:0.06%, Au：0.37%, Ag:0.96%, Ga：0.02%, Y：0.25%, Sn：1.38%, Zr：0.04%,
Re：0.02%, Bi：0.06%, magnesia：0.35%, cupric oxide：0.09%, iron oxide：0.16%, manganese dioxide：0.07%,
Kocide SD：0.06%, iron hydroxide：0.05%, balance of Fe.
The present invention is using the beneficial effect of above-mentioned technical proposal：
（1）Internal combustion engine cooling water pump of the invention prevents water outlet due to being formed with cut water near water outlet in cavity
Water turns round and round to vaporize and forms cavitation erosion, and the effect with current stabilization improves water pump effective power and extends the life-span of water pump；
（2）Internal combustion engine cooling water pump of the invention is circle due to being formed with volute chamber runner, volute chamber runner between cut water and delivery port
Camber, reduces the impact of water outlet current so that water outlet is more smooth, effectively improves pump capacity；
（3）Internal combustion engine cooling water pump of the invention includes wheel hub, wheel disc and blade due to impeller, and at least two are provided with wheel disc
Individual opening, opening is set between the blades, by reducing the volume and quality of impeller in wheel disc upper shed, so as to increase sky
Available volume in chamber, improves the flow of water pump simultaneously on the premise of water pump complement profile installation dimension and interface is not changed
And reduce energy consumption；
（4）Internal combustion engine cooling water pump of the invention is interval with water pump seal due to motor and rotating shaft, prevents water from entering electricity
Machine position is caused to leak electricity and is damaged, and extends the water pump life-span；
（5）Internal combustion engine cooling water pump of the invention is provided with temperature control valve, Neng Gougen due to the water inlet of water pump cover
According to the temperature adjustment inflow of internal combustion engine, energy consumption is reduced；
（6）Internal combustion engine cooling water pump of the invention improves due to being provided with sealing ring between temperature control valve and water inlet
The sealing property of water inlet, prevents leak；
（7）Internal combustion engine cooling water pump of the invention improves pump due to being provided with gasket seal between water pump cover and cover plate
Sealing property at body；
（8）Internal combustion engine cooling water pump of the invention due to also include for drive shaft motor, the output shaft of motor with turn
Axle is connected by shaft coupling, is driven by internal combustion engine itself, and in internal combustion engine cold start-up, internal combustion engine need not be cooled down in itself
System works, and traditional cooling water pump can start working with internal combustion engine operation, internal combustion engine warm-up period can be caused more long, oil consumption
It is higher, discharge it is poor the problems such as, and internal combustion engine cooling water pump of the invention by oneself motor drive, with temperature control valve phase
Mutually coordinate, flow can be adjusted according to the cooling requirement of internal combustion engine, improve the operating efficiency of internal combustion engine, reduce energy
Consumption；
（9）Internal combustion engine cooling water pump of the invention is provided with least one piece fin, energy due to water pump cover at motor
It is enough effective for water pump is radiated, prevent that temperature at motor is too high to be caused to damage；
（10）Internal combustion engine cooling water pump of the invention due in raw material contain Zn, Ni and W, strengthen the heat-resisting of cooling water pump and
Decay resistance；
（11）Internal combustion engine cooling water pump of the invention alleviates cooling water pump due to containing Ti, Al and rare earth element in raw material
Quality, increased structural strength and decay resistance；
（12）Internal combustion engine of the invention is due to having carried out secondary smelting in raw material melting then anti-by nodularization with cooling water pump
The cooperation that should, skim with slag hitting so that raw material melting is more thorough, can effectively remove the impurity in raw material, improve casting matter
Amount；
（13）Due to using steam dewaxing in dewaxing, the pressure of steam is 0.8MPa to internal combustion engine cooling water pump of the invention,
Time is 25-45 minutes, and dewaxing is efficiently thorough；
（14）Internal combustion engine cooling water pump of the invention due in pouring operation, with 400-420 degrees Celsius of air-heater of constant temperature
Baking 1 hour is carried out to shell mould, effectively prevents the shell mould in cast from occurring to ftracture and broken by the preheating to shell mould；
（15）Internal combustion engine cooling water pump of the invention due to being machined to the casting after moulding by casting, to the details of impeller
Position is by Vehicle Processing accurate dimension, and cylinder iron Vehicle Processing goes out water pump cover, rotating shaft and cover plate so that each accessory of water pump
Overall precision is high, convenient for assembly；
（16）Internal combustion engine of the invention, due to the casting after Vehicle Processing being heat-treated, can control the horizontal stroke of impeller with cooling water pump
To with the longitudinally concave face crack for causing, and impeller table surface layer can be made to produce the residual stress opposite with working stress, stand under load
When can offset part working stress, increase service life；
（17）By double tempering when internal combustion engine cooling water pump of the invention is due to heat treatment, tempering for the first time can turn round Austria
Family name's body is formed on lath circle or lath beam circle, and alloying element is further enriched with insulating process to improve stability；Iron
Ferritic lath beam is then replied in insulating process, while the harmful element in ferrite is also discharged in rotary austenite,
So as to improve substrate performance；Second tempering can make rotary austenite be enriched with enough conjunctions on the premise of proof strength
Gold element, makes few net carbide, is more uniformly distributed tissue, can holding structure stabilization, further enhance contact fatigue strength
And impact flexibility；
（18）Internal combustion engine cooling water pump of the invention by the casting after heat treatment due to covering abrasion-resistant metal coating so that impeller
Appearance forms layer protective layer, further increases the heat-resisting and decay resistance of impeller, and it is wear-resisting to cause that impeller has
Feature.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of embodiment of the present invention internal combustion engine cooling water pump；
Fig. 2 is the structural representation of the water pump cover of embodiment of the present invention internal combustion engine cooling water pump；
Fig. 3 is the structural representation of the impeller of embodiment of the present invention internal combustion engine cooling water pump；
Wherein：1- fin；2- motors；3- water pump covers；3a- cavitys；3b- cut waters；3c- volute chamber runners；4- water pump seals；5-
Rotating shaft；6- impellers；6a- blades；6b- wheel hubs；6c- wheel discs；6d- is open；7- delivery ports；8- gasket seals；9- cover plates；10- is close
Seal ring；11- temperature control valves；12- water inlets.
Specific embodiment
Embodiment one
A kind of internal combustion engine cooling water pump is present embodiments provided, as shown in Figure 1,2 and 3, including water pump cover 3, rotating shaft 5, lid
Plate 9 and impeller 6, water pump cover 3 are formed with cavity 3a, and rotating shaft 5 is arranged on cavity 3a middle parts by bearing, and impeller 6 can be along itself axle
Line rotation in rotating shaft 5, cover plate 9 is affixed with the side that water pump cover 3 is formed with cavity 3a；Water pump cover 3 be provided with into
The mouth of a river 12 and delivery port 7, are provided with temperature control valve 11 at the water inlet 12 of water pump cover 3, in cavity 3a at delivery port 7
Cut water 3b is formed with, volute chamber runner 3c is formed between cut water 3b and delivery port 7, volute chamber runner 3c is circular arc type；
Impeller 6 includes wheel hub 6b, wheel disc 6c and blade 6a, and wheel hub 6b is affixed with the center of wheel disc 6c, and blade 6a is arc-shaped flaky,
Blade 6a is five and is disposed in an evenly spaced relation on wheel disc 6c around wheel hub 6b that five opening 6d are provided with wheel disc 6c, and be open 6d
It is arranged between blade 6a.The internal combustion engine of the present embodiment cooling water pump also includes the motor 2 for drive shaft 5, motor 2
Output shaft is connected with rotating shaft 5 by shaft coupling.Motor 2 is interval with water pump seal 4 with rotating shaft 5.Temperature control valve 11 with enter
Sealing ring 10 is provided between the mouth of a river 12.Gasket seal 8 is provided between water pump cover 3 and cover plate 9.Water pump cover 3 is near electricity
Fin 1 has been uniformly arranged at machine 2.
The mass percent of each composition is in internal combustion engine cooling water pump：C：0.02%, Al:1.17%,Zn:1.25%,Mn：
0.38%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.03%, Ni：0.89%, Cu：0.26%, V：0.03%, Mo：0.07%, Ti：
1.37%, B：0.01%, Pd：0.03%,Pt：0.34%,W：0.27%,Nd：0.15%,Ce：0.11%,Eu：0.08%,Lu:0.04%,
Au：0.35%, Ag:0.88%, Ga：0.01%, Y：0.22%, Sn：1.36%, Zr：0.03%, Re：0.02%, Bi：0.06%, oxidation
Magnesium：0.34%, cupric oxide：0.09%, iron oxide：0.15%, manganese dioxide：0.07%, Kocide SD：0.06%, hydroxide
Iron：0.04%, balance of Fe；
The production technology of internal combustion engine cooling water pump is comprised the following steps：
(i) melting raw material：
A, added raw materials into smelting furnace by the mass percent of each composition in predetermined internal combustion engine cooling water pump, by smelting furnace
Temperature brings up to 1520 degrees Celsius to 1540 degrees Celsius, and raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water-cooled is combined with air cooling during cooling, first uses water-cooled with 15-18
DEG C/cooldown rate of s by alloy solution water-cooled to 450-460 DEG C of formation alloy, be then air cooled to 340-350 DEG C, then using water
The cold cooldown rate with 18-20 DEG C/s is by alloy water-cooled to room temperature；
C, heating, the alloy after previous step is cooled down carry out secondary smelting in smelting furnace, and the temperature in smelting furnace is brought up into 1580
Degree Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, the alloy solution in smelting furnace is poured into electric furnace, nodulizer and inovulant are sequentially added in the bag hole of casting ladle, use thin steel
Plate is covered on nodulizer, inovulant, and is consolidated, and the thickness of sheet metal is 0.5mm to 1mm；
E, the opposite side that the alloy solution in electric furnace is poured into casting ladle indent, spheroidizing reacion 70s to 85s, after spheroidizing reacion is abundant,
The slag agent of one layer of collection is spread, is quickly skimmed；
F, it is quick skim after, be sprinkled into swelling perlite powder on alloy solution surface immediately, twice of slag hitting after the completion of slag hitting, is formed
Alloy solution to be cast, was poured in five minutes；
(ii) prepared by wax-pattern：Using mechanical casting, making is consistent with the impeller size of internal combustion engine cooling water pump and includes insulation
The wax-pattern of rising head, and wax-pattern is repaired, wax-pattern is cleaned using wax base cleaning agent afterwards；
(iii) shell model sand mold is made in step (ii) obtained wax-pattern；
(iv) dewax：Using steam dewaxing, the pressure of steam is 0.8MPa, and the time is 25-45 minutes, and shell mould is obtained；
(v) shell mould roasting；
(vi) the (v) roasting shell mould of step is put into the sandbox prepared by formative technology, blend compounds band is sealed to be used on the shell mould
The cast gate and insulated feeder of cast, are then placed in the mixed sand by preparing, and are carried out with foundry jolter again after piling mixed sand
Ram-jolt, forms sand mold；
(vii) pour into a mould
Baking 1 hour is carried out to shell mould with the air-heater of 400-420 degrees Celsius of constant temperature before cast, during cast, pouring temperature is
1550-1650 degrees Celsius, after cast, casting is incubated 2-3 hours in sand mold；After moulding by casting, the demoulding is carried out, crushes shell mould,
The insulated feeder of casting is cut off, casting is obtained；
(viii) the casting after moulding by casting is machined, and cylinder iron Vehicle Processing goes out water pump cover, rotating shaft and cover plate；
(ix) the casting after Vehicle Processing is heat-treated, concrete technology is：
A, heating：Casting is heated to 640-665 DEG C, and is incubated 45-55min；
B, cooling：After using the air-cooled cooldown rate with 15-18 DEG C/s to accelerate to be cooled to 410-420 DEG C by casting, then it is air cooled to
Room temperature；
C, once it is tempered：After casting is heated into 560-575 DEG C of tempering 41-43min, warm 30-45s is treated, make automobile gearbox tooth
Wheel equalizing temperature, after accelerating to be cooled to 355-365 DEG C with the cooldown rate of 28-35 DEG C/s afterwards, then is air cooled to room temperature；
D, double tempering：Room temperature is air cooled to after automobile gearbox gear is heated into 614-618 DEG C of tempering 53-59min；
E, will be processed through double tempering after casting be put into well formula gas heating furnace, Quench heating treatment is carried out to casting,
Quenching and preserving heat temperature is 740 DEG C ± 10 DEG C, and soaking time is 1.2-1.5h；Quickly tank water is put into after the completion of casting Quench heating
Cold 15-25 minutes, cooling bath water temperature is controlled at 25-50 DEG C；
(x) the casting after heat treatment is covered into abrasion-resistant metal coating, concrete technology is：
A, dispensing：The component of the abrasion-resistant metal coating is by mass percentage：Carbon：0.17-0.22%, boron：0.23-0.26%,
Chromium：3.5-3.7%, titanium：3.1-3.6%, vanadium：1.5-1.7%, cobalt：0.23-0.45%, niobium：0.33-0.45%, calcium：0.32-
0.37%, barium：0.15-0.27%, tungsten：0.74-0.97%, zinc：2.5-2.8%, samarium：1.3-1.6%, neodymium：2.2-2.7%, promethium：
0.32-0.44%, europium：0.29-0.34%, gadolinium：1.6-1.8%, aluminium：4.25-4.78%, auxiliary agent：6.3-6.6%, balance of iron；
The component of the auxiliary agent is calculated by weight as：Zircon：9-13 parts, kaolinite：13-16 parts, graphite powder：5-8 parts, copper
Powder：15-17 parts, nickel powder：11-14 parts, aluminium powder：12-15 parts；
B, carbon, boron, chromium, titanium, vanadium, cobalt, niobium, calcium, barium and ferro element are put into smelting furnace, furnace temperature is then risen into 520-530
After DEG C, 1.5-2 hours is incubated, temperature is then risen to 1350-1360 DEG C, be put into tungsten, zinc, samarium, neodymium, promethium, europium, gadolinium, aluminium element,
Stir, be incubated 2-6 hours, then water-cooled is to 350-360 DEG C, then is air cooled to room temperature；
C, melting furnace temperature is increased to 1520-1530 DEG C, and be put into auxiliary agent, be incubated 4-7h, then whole nitrogen flushing gas agitating will
Temperature is reduced to 670-680 DEG C；Then water-cooled is cooled to 320-330 DEG C with the speed of 18-25 DEG C/s, is then air cooled to room temperature；
D, the metal that step c is obtained is put into ball mill, temperature is increased to 320-350 DEG C, be incubated 1-3 hours, Ran Houqi
Dynamic ball mill milling, then temperature is increased to 620-630 DEG C, 1-2 hours is incubated, 350-360 DEG C is being reduced to, crush, cross 100
Mesh sieve, obtains powder particle A；
E, the surface that the powder particle A in step d is sprayed into the casting after heat treatment, and thickness is 0.65-1.05mm, then
650-670 DEG C is heated to the speed of 15-20 DEG C/min, 1-2 hours is incubated, then temperature is air-cooled with the speed of 5-8 DEG C/min
To 220-250 DEG C, 1-2 hours is incubated, is air cooled to room temperature, impeller is obtained, then impeller is carried out with water pump cover, rotating shaft and cover plate
Assembling is obtained final internal combustion engine cooling water pump.
Embodiment two
Present embodiments provide a kind of internal combustion engine cooling water pump, including water pump cover 3, rotating shaft 5, cover plate 9 and impeller 6, water pump
Housing 3 is formed with cavity 3a, and rotating shaft 5 is arranged on cavity 3a middle parts by bearing, impeller 6 can be rotated along own axes installed in turning
On axle 5, cover plate 9 is affixed with the side that water pump cover 3 is formed with cavity 3a；Water pump cover 3 is provided with water inlet 12 and delivery port 7,
Temperature control valve 11 is provided with the water inlet 12 of water pump cover 3, cut water 3b, cut water are formed with delivery port 7 in cavity 3a
Volute chamber runner 3c is formed between 3b and delivery port 7, volute chamber runner 3c is circular arc type；
Impeller 6 includes wheel hub 6b, wheel disc 6c and blade 6a, and wheel hub 6b is affixed with the center of wheel disc 6c, and blade 6a is arc-shaped flaky,
Blade 6a is five and is disposed in an evenly spaced relation on wheel disc 6c around wheel hub 6b that five opening 6d are provided with wheel disc 6c, and be open 6d
It is arranged between blade 6a.The internal combustion engine of the present embodiment cooling water pump also includes the motor 2 for drive shaft 5, motor 2
Output shaft is connected with rotating shaft 5 by shaft coupling.Motor 2 is interval with water pump seal 4 with rotating shaft 5.Temperature control valve 11 with enter
Sealing ring 10 is provided between the mouth of a river 12.Gasket seal 8 is provided between water pump cover 3 and cover plate 9.Water pump cover 3 is near electricity
Fin 1 has been uniformly arranged at machine 2.
The mass percent of each composition is in internal combustion engine cooling water pump：C：0.03%, Al:1.77%,Zn:1.29%,Mn：
0.48%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.04%, Ni：1.14%, Cu：0.26%, V：0.04%, Mo：0.08%, Ti：
1.39%, B：0.02%, Pd：0.04%,Pt：0.49%,W：0.29%,Nd：0.15%,Ce：0.12%,Eu：0.09%,Lu:0.06%,
Au：0.37%, Ag:0.96%, Ga：0.02%, Y：0.25%, Sn：1.38%, Zr：0.04%, Re：0.02%, Bi：0.06%, oxidation
Magnesium：0.35%, cupric oxide：0.09%, iron oxide：0.16%, manganese dioxide：0.07%, Kocide SD：0.06%, hydroxide
Iron：0.05%, balance of Fe；
The production technology of internal combustion engine cooling water pump is comprised the following steps：
(i) melting raw material：
A, added raw materials into smelting furnace by the mass percent of each composition in predetermined internal combustion engine cooling water pump, by smelting furnace
Temperature brings up to 1520 degrees Celsius to 1540 degrees Celsius, and raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water-cooled is combined with air cooling during cooling, first uses water-cooled with 15-18
DEG C/cooldown rate of s by alloy solution water-cooled to 450-460 DEG C of formation alloy, be then air cooled to 340-350 DEG C, then using water
The cold cooldown rate with 18-20 DEG C/s is by alloy water-cooled to room temperature；
C, heating, the alloy after previous step is cooled down carry out secondary smelting in smelting furnace, and the temperature in smelting furnace is brought up into 1580
Degree Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, the alloy solution in smelting furnace is poured into electric furnace, nodulizer and inovulant are sequentially added in the bag hole of casting ladle, use thin steel
Plate is covered on nodulizer, inovulant, and is consolidated, and the thickness of sheet metal is 0.5mm to 1mm；
E, the opposite side that the alloy solution in electric furnace is poured into casting ladle indent, spheroidizing reacion 70s to 85s, after spheroidizing reacion is abundant,
The slag agent of one layer of collection is spread, is quickly skimmed；
F, it is quick skim after, be sprinkled into swelling perlite powder on alloy solution surface immediately, twice of slag hitting after the completion of slag hitting, is formed
Alloy solution to be cast, was poured in five minutes；
(ii) prepared by wax-pattern：Using mechanical casting, making is consistent with the impeller size of internal combustion engine cooling water pump and includes insulation
The wax-pattern of rising head, and wax-pattern is repaired, wax-pattern is cleaned using wax base cleaning agent afterwards；
(iii) shell model sand mold is made in step (ii) obtained wax-pattern；
(iv) dewax：Using steam dewaxing, the pressure of steam is 0.8MPa, and the time is 25-45 minutes, and shell mould is obtained；
(v) shell mould roasting；
(vi) the (v) roasting shell mould of step is put into the sandbox prepared by formative technology, blend compounds band is sealed to be used on the shell mould
The cast gate and insulated feeder of cast, are then placed in the mixed sand by preparing, and are carried out with foundry jolter again after piling mixed sand
Ram-jolt, forms sand mold；
(vii) pour into a mould
Baking 1 hour is carried out to shell mould with the air-heater of 400-420 degrees Celsius of constant temperature before cast, during cast, pouring temperature is
1550-1650 degrees Celsius, after cast, casting is incubated 2-3 hours in sand mold；After moulding by casting, the demoulding is carried out, crushes shell mould,
The insulated feeder of casting is cut off, casting is obtained；
(viii) the casting after moulding by casting is machined, and cylinder iron Vehicle Processing goes out water pump cover, rotating shaft and cover plate；
(ix) the casting after Vehicle Processing is heat-treated, concrete technology is：
A, heating：Casting is heated to 640-665 DEG C, and is incubated 45-55min；
B, cooling：After using the air-cooled cooldown rate with 15-18 DEG C/s to accelerate to be cooled to 410-420 DEG C by casting, then it is air cooled to
Room temperature；
C, once it is tempered：After casting is heated into 560-575 DEG C of tempering 41-43min, warm 30-45s is treated, make automobile gearbox tooth
Wheel equalizing temperature, after accelerating to be cooled to 355-365 DEG C with the cooldown rate of 28-35 DEG C/s afterwards, then is air cooled to room temperature；
D, double tempering：Room temperature is air cooled to after automobile gearbox gear is heated into 614-618 DEG C of tempering 53-59min；
E, will be processed through double tempering after casting be put into well formula gas heating furnace, Quench heating treatment is carried out to casting,
Quenching and preserving heat temperature is 740 DEG C ± 10 DEG C, and soaking time is 1.2-1.5h；Quickly tank water is put into after the completion of casting Quench heating
Cold 15-25 minutes, cooling bath water temperature is controlled at 25-50 DEG C；
(x) the casting after heat treatment is covered into abrasion-resistant metal coating, concrete technology is：
A, dispensing：The component of the abrasion-resistant metal coating is by mass percentage：Carbon：0.17-0.22%, boron：0.23-0.26%,
Chromium：3.5-3.7%, titanium：3.1-3.6%, vanadium：1.5-1.7%, cobalt：0.23-0.45%, niobium：0.33-0.45%, calcium：0.32-
0.37%, barium：0.15-0.27%, tungsten：0.74-0.97%, zinc：2.5-2.8%, samarium：1.3-1.6%, neodymium：2.2-2.7%, promethium：
0.32-0.44%, europium：0.29-0.34%, gadolinium：1.6-1.8%, aluminium：4.25-4.78%, auxiliary agent：6.3-6.6%, balance of iron；
The component of the auxiliary agent is calculated by weight as：Zircon：9-13 parts, kaolinite：13-16 parts, graphite powder：5-8 parts, copper
Powder：15-17 parts, nickel powder：11-14 parts, aluminium powder：12-15 parts；
B, carbon, boron, chromium, titanium, vanadium, cobalt, niobium, calcium, barium and ferro element are put into smelting furnace, furnace temperature is then risen into 520-530
After DEG C, 1.5-2 hours is incubated, temperature is then risen to 1350-1360 DEG C, be put into tungsten, zinc, samarium, neodymium, promethium, europium, gadolinium, aluminium element,
Stir, be incubated 2-6 hours, then water-cooled is to 350-360 DEG C, then is air cooled to room temperature；
C, melting furnace temperature is increased to 1520-1530 DEG C, and be put into auxiliary agent, be incubated 4-7h, then whole nitrogen flushing gas agitating will
Temperature is reduced to 670-680 DEG C；Then water-cooled is cooled to 320-330 DEG C with the speed of 18-25 DEG C/s, is then air cooled to room temperature；
D, the metal that step c is obtained is put into ball mill, temperature is increased to 320-350 DEG C, be incubated 1-3 hours, Ran Houqi
Dynamic ball mill milling, then temperature is increased to 620-630 DEG C, 1-2 hours is incubated, 350-360 DEG C is being reduced to, crush, cross 100
Mesh sieve, obtains powder particle A；
E, the surface that the powder particle A in step d is sprayed into the casting after heat treatment, and thickness is 0.65-1.05mm, then
650-670 DEG C is heated to the speed of 15-20 DEG C/min, 1-2 hours is incubated, then temperature is air-cooled with the speed of 5-8 DEG C/min
To 220-250 DEG C, 1-2 hours is incubated, is air cooled to room temperature, impeller is obtained, then impeller is carried out with water pump cover, rotating shaft and cover plate
Assembling is obtained final internal combustion engine cooling water pump.
The present invention is not limited to above-described embodiment.The technical scheme that all use equivalents are formed, all falling within the present invention will
The protection domain asked.
Claims (9)
1. a kind of internal combustion engine cooling water pump, it is characterised in that：Including water pump cover（3）, rotating shaft（5）, cover plate（9）And impeller
（6）, the water pump cover（3）It is formed with cavity（3a）, the rotating shaft（5）The cavity is arranged on by bearing（3a）Middle part, institute
State impeller（6）Can be along own axes rotation installed in the rotating shaft（5）On, the cover plate（9）With the water pump cover（3）System
There is cavity（3a）Side it is affixed；The water pump cover（3）It is provided with water inlet（12）And delivery port（7）, the cavity（3a）
It is interior to be close to the delivery port（7）Place is formed with cut water（3b）, the cut water（3b）And delivery port（7）Between be formed with volute chamber runner
（3c）, the volute chamber runner（3c）It is circular arc type；The impeller（6）Including wheel hub（6b）, wheel disc（6c）And blade（6a）, it is described
Wheel hub（6b）With the wheel disc（6c）Center it is affixed, the blade（6a）It is arc-shaped flaky, the blade（6a）At least two
Piece and around wheel hub（6b）It is disposed in an evenly spaced relation in the wheel disc（6c）On, the wheel disc（6c）On be provided with least two openings
（6d）, the opening（6d）It is arranged on the blade（6a）Between；
The mass percent of each composition is in the internal combustion engine cooling water pump：C：0.02-0.03%, Al:1.16-1.83%,Zn:
1.22-1.39%,Mn：0.37-0.58%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.02-0.04%, Ni：0.84-1.19%,
Cu：0.25-0.29%, V：0.02-0.05%, Mo：0.06-0.09%, Ti：1.33-1.59%, B：0.01-0.02%, Pd：0.02-
0.04%,Pt：0.33-0.49%,W：0.23-0.36%,Nd：0.13-0.16%,Ce：0.11-0.12%,Eu：0.07-0.15%,
Lu:0.03-0.07%, Au：0.33-0.42%, Ag:0.86-1.04%, Ga：0.01-0.02%, Y：0.21-0.27%, Sn：1.34-
1.58%, Zr：0.02-0.07%, Re：0.01-0.03%, Bi：0.05-0.09%, magnesia：0.33-0.37%, cupric oxide：
0.08-0.13%, iron oxide：0.12-0.18%, manganese dioxide：0.06-0.09%, Kocide SD：0.05-0.08%, hydrogen-oxygen
Change iron：0.03-0.05%, balance of Fe；
The production technology of the internal combustion engine cooling water pump is comprised the following steps：
(i) melting raw material：
A, added raw materials into smelting furnace by the mass percent of each composition in predetermined internal combustion engine cooling water pump, by smelting furnace
Temperature brings up to 1520 degrees Celsius to 1540 degrees Celsius, and raw material is smelted to form alloy solution；
B, alloy solution obtained in the previous step is cooled down, water-cooled is combined with air cooling during cooling, first uses water-cooled with 15-18
DEG C/cooldown rate of s by alloy solution water-cooled to 450-460 DEG C of formation alloy, be then air cooled to 340-350 DEG C, then using water
The cold cooldown rate with 18-20 DEG C/s is by alloy water-cooled to room temperature；
C, heating, the alloy after previous step is cooled down carry out secondary smelting in smelting furnace, and the temperature in smelting furnace is brought up into 1580
Degree Celsius to 1610 degrees Celsius, alloy forms alloy solution by secondary smelting；
D, the alloy solution in smelting furnace is poured into electric furnace, nodulizer and inovulant are sequentially added in the bag hole of casting ladle, use thin steel
Plate is covered on nodulizer, inovulant, and is consolidated, and the thickness of sheet metal is 0.5mm to 1mm；
E, the opposite side that the alloy solution in electric furnace is poured into casting ladle indent, spheroidizing reacion 70s to 85s, after spheroidizing reacion is abundant,
The slag agent of one layer of collection is spread, is quickly skimmed；
F, it is quick skim after, be sprinkled into swelling perlite powder on alloy solution surface immediately, twice of slag hitting after the completion of slag hitting, is formed
Alloy solution to be cast, was poured in five minutes；
(ii) prepared by wax-pattern：Using mechanical casting, making is consistent with the impeller size of internal combustion engine cooling water pump and includes insulation
The wax-pattern of rising head, and wax-pattern is repaired, wax-pattern is cleaned using wax base cleaning agent afterwards；
(iii) shell model sand mold is made in step (ii) obtained wax-pattern；
(iv) dewax：Using steam dewaxing, the pressure of steam is 0.8MPa, and the time is 25-45 minutes, and shell mould is obtained；
(v) shell mould roasting；
(vi) the (v) roasting shell mould of step is put into the sandbox prepared by formative technology, blend compounds band is sealed to be used on the shell mould
The cast gate and insulated feeder of cast, are then placed in the mixed sand by preparing, and are carried out with foundry jolter again after piling mixed sand
Ram-jolt, forms sand mold；
(vii) pour into a mould
Baking 1 hour is carried out to shell mould with the air-heater of 400-420 degrees Celsius of constant temperature before cast, during cast, pouring temperature is
1550-1650 degrees Celsius, after cast, casting is incubated 2-3 hours in sand mold；After moulding by casting, the demoulding is carried out, crushes shell mould,
The insulated feeder of casting is cut off, casting is obtained；
(viii) the casting after moulding by casting is machined, and cylinder iron Vehicle Processing goes out water pump cover, rotating shaft and cover plate；
(ix) the casting after Vehicle Processing is heat-treated, concrete technology is：
A, heating：Casting is heated to 640-665 DEG C, and is incubated 45-55min；
B, cooling：After using the air-cooled cooldown rate with 15-18 DEG C/s to accelerate to be cooled to 410-420 DEG C by casting, then it is air cooled to
Room temperature；
C, once it is tempered：After casting is heated into 560-575 DEG C of tempering 41-43min, warm 30-45s is treated, make automobile gearbox tooth
Wheel equalizing temperature, after accelerating to be cooled to 355-365 DEG C with the cooldown rate of 28-35 DEG C/s afterwards, then is air cooled to room temperature；
D, double tempering：Room temperature is air cooled to after automobile gearbox gear is heated into 614-618 DEG C of tempering 53-59min；
E, will be processed through double tempering after casting be put into well formula gas heating furnace, Quench heating treatment is carried out to casting,
Quenching and preserving heat temperature is 740 DEG C ± 10 DEG C, and soaking time is 1.2-1.5h；Quickly tank water is put into after the completion of casting Quench heating
Cold 15-25 minutes, cooling bath water temperature is controlled at 25-50 DEG C；
(x) the casting after heat treatment is covered into abrasion-resistant metal coating, concrete technology is：
A, dispensing：The component of the abrasion-resistant metal coating is by mass percentage：Carbon：0.17-0.22%, boron：0.23-0.26%,
Chromium：3.5-3.7%, titanium：3.1-3.6%, vanadium：1.5-1.7%, cobalt：0.23-0.45%, niobium：0.33-0.45%, calcium：0.32-
0.37%, barium：0.15-0.27%, tungsten：0.74-0.97%, zinc：2.5-2.8%, samarium：1.3-1.6%, neodymium：2.2-2.7%, promethium：
0.32-0.44%, europium：0.29-0.34%, gadolinium：1.6-1.8%, aluminium：4.25-4.78%, auxiliary agent：6.3-6.6%, balance of iron；
The component of the auxiliary agent is calculated by weight as：Zircon：9-13 parts, kaolinite：13-16 parts, graphite powder：5-8 parts, copper
Powder：15-17 parts, nickel powder：11-14 parts, aluminium powder：12-15 parts；
B, carbon, boron, chromium, titanium, vanadium, cobalt, niobium, calcium, barium and ferro element are put into smelting furnace, furnace temperature is then risen into 520-530
After DEG C, 1.5-2 hours is incubated, temperature is then risen to 1350-1360 DEG C, be put into tungsten, zinc, samarium, neodymium, promethium, europium, gadolinium, aluminium element,
Stir, be incubated 2-6 hours, then water-cooled is to 350-360 DEG C, then is air cooled to room temperature；
C, melting furnace temperature is increased to 1520-1530 DEG C, and be put into auxiliary agent, be incubated 4-7h, then whole nitrogen flushing gas agitating will
Temperature is reduced to 670-680 DEG C；Then water-cooled is cooled to 320-330 DEG C with the speed of 18-25 DEG C/s, is then air cooled to room temperature；
D, the metal that step c is obtained is put into ball mill, temperature is increased to 320-350 DEG C, be incubated 1-3 hours, Ran Houqi
Dynamic ball mill milling, then temperature is increased to 620-630 DEG C, 1-2 hours is incubated, 350-360 DEG C is being reduced to, crush, cross 100
Mesh sieve, obtains powder particle A；
E, the surface that the powder particle A in step d is sprayed into the casting after heat treatment, and thickness is 0.65-1.05mm, then
650-670 DEG C is heated to the speed of 15-20 DEG C/min, 1-2 hours is incubated, then temperature is air-cooled with the speed of 5-8 DEG C/min
To 220-250 DEG C, 1-2 hours is incubated, is air cooled to room temperature, impeller is obtained, then impeller is carried out with water pump cover, rotating shaft and cover plate
Assembling is obtained final internal combustion engine cooling water pump.
2. internal combustion engine cooling water pump according to claim 1, it is characterised in that：Also include for driving the rotating shaft
（5）Motor（2）, the motor（2）Output shaft and the rotating shaft（5）Connected by shaft coupling.
3. internal combustion engine cooling water pump according to claim 2, it is characterised in that：The motor（2）With rotating shaft（5）Between
Every being provided with water pump seal（4）.
4. internal combustion engine cooling water pump according to claim 3, it is characterised in that：The water pump cover（3）Water inlet
（12）Place is provided with temperature control valve（11）.
5. internal combustion engine cooling water pump according to claim 4, it is characterised in that：The temperature control valve（11）With it is described
Water inlet（12）Between be provided with sealing ring（10）.
6. internal combustion engine cooling water pump according to claim 5, it is characterised in that：The water pump cover（3）With cover plate（9）
Between be provided with gasket seal（8）.
7. internal combustion engine cooling water pump according to claim 6, it is characterised in that：The water pump cover（3）Near described
Motor（2）Place is provided with least one piece fin（1）.
8. internal combustion engine cooling water pump according to claim 7, it is characterised in that：It is each in the internal combustion engine cooling water pump
The mass percent of composition is：C：0.02%, Al:1.17%,Zn:1.25%,Mn：0.38%, S：≤ 0.030%, P：≤ 0.030%,
Cr：0.03%, Ni：0.89%, Cu：0.26%, V：0.03%, Mo：0.07%, Ti：1.37%, B：0.01%, Pd：0.03%,Pt：
0.34%,W：0.27%,Nd：0.15%,Ce：0.11%,Eu：0.08%,Lu:0.04%, Au：0.35%, Ag:0.88%, Ga：0.01%,
Y：0.22%, Sn：1.36%, Zr：0.03%, Re：0.02%, Bi：0.06%, magnesia：0.34%, cupric oxide：0.09%, oxidation
Iron：0.15%, manganese dioxide：0.07%, Kocide SD：0.06%, iron hydroxide：0.04%, balance of Fe.
9. internal combustion engine cooling water pump according to claim 7, it is characterised in that：It is each in the internal combustion engine cooling water pump
The mass percent of composition is：C：0.03%, Al:1.77%,Zn:1.29%,Mn：0.48%, S：≤ 0.030%, P：≤ 0.030%,
Cr：0.04%, Ni：1.14%, Cu：0.26%, V：0.04%, Mo：0.08%, Ti：1.39%, B：0.02%, Pd：0.04%,Pt：
0.49%,W：0.29%,Nd：0.15%,Ce：0.12%,Eu：0.09%,Lu:0.06%, Au：0.37%, Ag:0.96%, Ga：0.02%,
Y：0.25%, Sn：1.38%, Zr：0.04%, Re：0.02%, Bi：0.06%, magnesia：0.35%, cupric oxide：0.09%, oxidation
Iron：0.16%, manganese dioxide：0.07%, Kocide SD：0.06%, iron hydroxide：0.05%, balance of Fe.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107630171A (en) * | 2017-09-22 | 2018-01-26 | 张家港沙工科技服务有限公司 | A kind of crane tensile type metal lifting rope |
| CN107815596A (en) * | 2017-11-14 | 2018-03-20 | 郑媛媛 | A kind of processing technology of valve high intensity handle |
| CN107893198A (en) * | 2017-11-14 | 2018-04-10 | 曹安飞 | Air bleeding valve and its casting technique in a kind of pipe-line system |
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| CN110614347A (en) * | 2019-11-06 | 2019-12-27 | 晋江渠成机械有限公司 | Investment casting process of fan-shaped impeller |
| CN114273679A (en) * | 2021-11-30 | 2022-04-05 | 太仓市凯福士机械有限公司 | Machining process of pump shell |
| CN116163831A (en) * | 2022-12-29 | 2023-05-26 | 盐城海纳汽车零部件有限公司 | Automobile engine cooling water pump device and adjusting system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107630171A (en) * | 2017-09-22 | 2018-01-26 | 张家港沙工科技服务有限公司 | A kind of crane tensile type metal lifting rope |
| CN107815596A (en) * | 2017-11-14 | 2018-03-20 | 郑媛媛 | A kind of processing technology of valve high intensity handle |
| CN107893198A (en) * | 2017-11-14 | 2018-04-10 | 曹安飞 | Air bleeding valve and its casting technique in a kind of pipe-line system |
| CN110259711A (en) * | 2019-07-01 | 2019-09-20 | 肖志林 | A kind of bilobed wheel low-noise fan |
| CN110614347A (en) * | 2019-11-06 | 2019-12-27 | 晋江渠成机械有限公司 | Investment casting process of fan-shaped impeller |
| CN110614347B (en) * | 2019-11-06 | 2020-11-20 | 晋江渠成机械有限公司 | Investment casting process of fan-shaped impeller |
| CN114273679A (en) * | 2021-11-30 | 2022-04-05 | 太仓市凯福士机械有限公司 | Machining process of pump shell |
| CN114273679B (en) * | 2021-11-30 | 2024-05-28 | 太仓市凯福士机械有限公司 | Processing technology of pump shell |
| CN116163831A (en) * | 2022-12-29 | 2023-05-26 | 盐城海纳汽车零部件有限公司 | Automobile engine cooling water pump device and adjusting system thereof |
| CN116163831B (en) * | 2022-12-29 | 2023-10-03 | 盐城海纳汽车零部件有限公司 | Automobile engine cooling water pump device and adjusting system thereof |
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