CN203239624U - Water pump impeller of automobile - Google Patents
Water pump impeller of automobile Download PDFInfo
- Publication number
- CN203239624U CN203239624U CN 201320221879 CN201320221879U CN203239624U CN 203239624 U CN203239624 U CN 203239624U CN 201320221879 CN201320221879 CN 201320221879 CN 201320221879 U CN201320221879 U CN 201320221879U CN 203239624 U CN203239624 U CN 203239624U
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- CN
- China
- Prior art keywords
- chassis
- blade
- hole
- pump impeller
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a water pump impeller of an automobile. The water pump impeller of the automobile comprises a chassis (1) and vanes (2), wherein the number of the vanes (2) is eight, at least one vane chamfer (3-1) is arranged at the junction of each vane (2) and the chassis (1), each vane (2) is of an arc structure, the vanes (2) are vertically arranged on the chassis (1) and are connected with the chassis (1) in a dispersing mode, a cambered slope-shaped through hole (4) is formed in the middle of the chassis (1), the ratio of the diameter of the through hole (4) to the diameter of the chassis (1) is 4:1, the ratio of the diameter of the chassis (1) to the width of the chassis (1) is 4:1, the radian of the outer circle of each vane (2) and the radian of the inner circle of each vane (2) are 28-30 mm, and the slope-shaped through hole (4), the vanes (2) and the chassis (1) are integrated. According to the water pump impeller of the automobile, due to the precise adjustment of the press-pouring angle and the reasonable design of the shape of a die, the water pump impeller in a special shape is machined with high-quality materials; due to the fact that the slope-shaped through hole, the vanes and the chassis are manufactured through pressing of powder alloy materials, the strength of the impeller is improved, the strength requirements of a cold punching die are met, the service life is prolonged, and the environment is protected.
Description
Technical field
The utility model relates to a kind of auto parts machinery field, relates in particular to a kind of Water-pump impeller of automobile.
Background technique
Auto pump plays vital effect to the cooling water circulation running of whole car engine inside, at present, Water-pump impeller of automobile adopts ironcasting, sheet stamping member and plastic materials pressure injection to make mostly, the water pump that above-mentioned material is made in use often meets with corrosion, working life is short, foundry goods or working of plastics easily cause environmental pollution aborning, and stamping part is because shape is high to the requirement of strength of Cold pressing die; In addition, the water pump vane dynamic balance performance that adopts ironcasting, sheet stamping member and plastic materials pressure injection to make is difficult for accomplishing the standard-required of 40g/cm.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of water pump vane by powdered metallurgical material one injection-compression molding.
In order to solve the problems of the technologies described above, the utility model provides a kind of Water-pump impeller of automobile, it comprises chassis and blade, described blade is eight, blade and joint, chassis are provided with at least one blade chamfering, described blade is arcuate structure, described blade is vertically installed on the chassis and with the chassis and is discrete shape coupled condition, be provided with arcuation domatic through hole in the middle of the described chassis, described through-hole diameter and chassis diameter proportion are 1:4, described chassis diameter and chassis height ratio are 4:1, the peripheral radian of described blade with in to enclose radian be 28-30mm, described domatic through hole, blade and chassis are monolithic construction, described domatic through hole, blade and chassis are formed by the powdered metallurgical material compacting, and described blade end and chassis outer rim are on the same face.
Described all blade tips also are provided with the blade chamfering between described blade tip and the chassis in chassis diameter 65 mm scopes, described blade chamfering scope is 0.5-1.0mm, and the arc radius of arcuation domatic through hole is 11-12 mm.
Adopt said structure, the beneficial effects of the utility model are:
Described blade is vertically installed on the chassis and with the chassis and is discrete shape coupled condition, be provided with arcuation domatic through hole in the middle of the described chassis, described domatic through hole, blade and chassis are monolithic construction, adopt the mode of whole pressure injection, accurate adjustment pressure injection angle adds rational designing mould shape, has realized selecting higher material to be processed into the requirement of water pump vane special shape.
Described blade is eight, blade and joint, chassis are provided with at least one blade chamfering, described blade is arcuate structure, described through-hole diameter and chassis diameter proportion are 1:4, described chassis diameter and chassis height ratio are 4:1, the peripheral radian of described blade with in to enclose radian be 28-30mm, above-mentioned strictly accurately control to impeller angle, cooling waterpump to whole automobile reaches the cooling effect, described blade end and chassis outer rim adopt the blade chamfering to connect on the same face between blade and the chassis, so that stressed even, avoid concentrating stressed weak part, increase the service life.
Described domatic through hole, blade and chassis are formed by the powdered metallurgical material compacting, strengthen impeller intensity, reach the requirement of strength of Cold pressing die, increase the service life protection of the environment.
Described domatic through hole, blade and chassis are monolithic construction, and disposable injection-compression molding can be produced in enormous quantities, saves time, and reduces production costs.
Description of drawings
Fig. 1 is the structural representation of water pump vane of the present utility model.
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of Water-pump impeller of automobile, it comprises chassis 1 and blade 2, and described blade 2 is eight, and blade 2 is provided with blade chamfering 3-1 with 1 joint, chassis, and described blade chamfering 3-1 scope is 0.5-1.0mm.
Described blade 2 is arcuate structure, described blade 2 is vertically installed on the chassis 1 and with chassis 1 and is discrete shape coupled condition, be provided with arcuation domatic through hole 4 in the middle of the described chassis 1, described through hole 4 diameters and chassis 1 diameter proportion are 1:4, described chassis 1 diameter and chassis 1 height ratio are 4:1, described blade 2 peripheral radians with in to enclose radian be 28-30mm, described domatic through hole 4, blade 2 are monolithic construction with chassis 1, described domatic through hole 4, blade 2 are formed by the powdered metallurgical material compacting with chassis 1, and described blade 2 ends and chassis 1 outer rim are on the same face.
Described all blade 2 tops also are provided with blade chamfering 3-2 between described blade 2 tops and the chassis in the 1 diameter 33-36 mm scope of chassis, described blade chamfering 3-2 scope is 0.5-1.0mm, and the arc radius of arcuation domatic through hole 4 is 11-12 mm.
The making flow process of the utility model water pump vane is: after impeller mold installs; the debugging press; female die step; when upper punch is unkitted, press run to 180 ° of seats in the plane; measure former to the first undershoot; the height of the second undershoot; whether reach casting die height 3-5mm; filling former and the first undershoot; the second undershoot; input press data; open the press motor; this moment, press was 270 ° of seats in the plane; press the both hands control knob; the former filling begins; the simultaneously filling of the first undershoot and the second undershoot; inhalation is adopted in the filling at the first undershoot and the second undershoot place; guarantee that eight lobe place filling powder amounts are identical; when press runs to 0 °; former and the first undershoot; the second undershoot filling is complete, and the feed box powder feeding is when press runs to 15 °; feed box is return the feeding seat in the plane; the upper punch pressing action begins simultaneously, and upper punch runs in the negative impression, and the press angles of display is between 122-130 °; former floats downwards; upper punch continues to move downward, and when press operation angle during at 150 °, bed die floating puts in place; during 165 ° of upper punch motions; the air pressure downward air pressure protection that resets is opened, and upper punch continues to press down until 180 °, and impeller is shaped; from 190 °; demoulding action beginning, the negative template beginning of leaving behind is when press runs to 230 °; large cylindrical depanning; former demoulding this moment push rod pushes up next plate, begins to take off the first undershoot and the second undershoot shaped portion, and press runs to 250 °; the casting die demoulding is complete; top slide block backhaul, upper punch also continue to push down casting die, and press runs to 260 ° of upper punch backhauls; press runs to the seat in the plane, and the compacting action is finished.
Claims (3)
1. Water-pump impeller of automobile, it comprises chassis (1) and blade (2), it is characterized in that: described blade (2) is eight, blade (2) is provided with at least one blade chamfering (3-1) with joint, chassis (1), also be provided with blade chamfering (3-2) between described blade (2) top and the chassis, described blade (2) is arcuate structure, described blade (2) is vertically installed in chassis (1) upward and is discrete shape coupled condition with chassis (1), described blade (2) end and chassis (1) outer rim are on the same face, be provided with arcuation domatic through hole (4) in the middle of the described chassis (1), described through hole (4) diameter and chassis (1) diameter proportion are 1:4, described chassis (1) diameter and chassis (1) height ratio are 4:1, the peripheral radian of described blade (2) with in to enclose radian be 28-30mm, described all blades (2) top is in the diameter 65 mm scopes of chassis (1), described domatic through hole (4), blade (2) is monolithic construction with chassis (1), described domatic through hole (4), blade (2) is formed by the powdered metallurgical material compacting with chassis (1).
2. Water-pump impeller of automobile according to claim 1, it is characterized in that: described blade chamfering (3-1,3-2) scope is 0.5-1.0mm.
3. Water-pump impeller of automobile according to claim 1, it is characterized in that: the arc radius of arcuation domatic through hole (4) is 11-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221879 CN203239624U (en) | 2013-04-27 | 2013-04-27 | Water pump impeller of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320221879 CN203239624U (en) | 2013-04-27 | 2013-04-27 | Water pump impeller of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239624U true CN203239624U (en) | 2013-10-16 |
Family
ID=49316931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320221879 Expired - Fee Related CN203239624U (en) | 2013-04-27 | 2013-04-27 | Water pump impeller of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239624U (en) |
-
2013
- 2013-04-27 CN CN 201320221879 patent/CN203239624U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20180427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |