Aluminum alloy metal mold gravity casting turbocharger compressor casing die
Technical Field
The utility model relates to the field of mechanical equipment, specifically be an aluminum alloy metal type gravity casting turbo charger compressor casing mould.
Background
At present, with the increasing requirements of energy conservation and emission reduction of vehicles such as automobiles, airplanes and the like, the requirements of miniaturization and high-efficiency output of engines are increasingly strong. The compressor shell is a main bearing part of the compressor, the compressor shell of the common small-displacement gasoline engine and diesel oil has small volume and simple structure, is easy to manufacture, and has large volume and thin wall thickness (3 mm) for the compressor shell of the large-displacement diesel engine, the common production process is lost wax method precision casting, and the difficulty in producing the thin-wall and precision parts by metal mold casting is very high.
The existing thin-wall and large-volume compressor shell is produced by precision casting by a lost wax method, and the production cost of the product is high and is generally 3-5 times of the casting cost of a metal mold. Low production efficiency, long period, and is not beneficial to mass production and rapid reaction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aluminum alloy metal mold gravity casting turbo charger compressor casing mould to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aluminum alloy metal mold gravity casting turbo charger compressor casing mould, includes cope match-plate pattern and lower mould, the surface of cope match-plate pattern is provided with the pouring subassembly, is provided with the shaping subassembly between cope match-plate pattern and the lower mould, and the bottom of lower mould is provided with the support installed part, the inboard of support installed part is provided with the top and holds and take off the module, the top is held and is taken off the module and is pulled by the damping piece that resets.
Preferably, the pouring component comprises a sand core pouring cup, the sand core pouring cup is fixed on the top surface of the upper template, the sand core pouring cup is arranged in the middle of the top surface of the upper template, and the sand core pouring cup penetrates through a plate body of the upper template.
Preferably, the forming assembly comprises an upper mold core and a bottom mold core, the upper mold core is fixed on the bottom surface of the upper mold plate, the bottom mold core is fixed on the top surface of the lower mold, a sand core is arranged above the bottom mold core, and the upper mold core and the sand core are used for clamping and pouring the compressor housing.
Preferably, the bottom surface of the upper mold core is provided with a positioning pin, and the surface of the lower mold is inserted with a heating pipe.
Preferably, the support mounting part comprises a lower template and a die foot connecting column fixed on the bottom surface of the lower template, a support frame is arranged between the top surface of the lower template and the bottom surface of the lower die, and a die foot is arranged at the bottom end of the die foot connecting column.
Preferably, the ejection demolding part comprises an ejector plate and an ejector rod fixed on the top surface of the ejector plate, the ejector rod penetrates through the lower die plate and the lower die, and a pressing plate is arranged on the bottom surface of the ejector plate.
Preferably, the damping piece that resets pulls and establishes the damping circle in the reset lever outside including reset lever and cover, and the reset lever is fixed at the top surface of ejector plate, and the reset lever is "T" font cylinder structure, and the lower bolster is run through to the reset lever, and when the roof overlap joint of reset lever was on the lower bolster, the top surface of ejector pin was in the perforation of ejector pin and lower mould.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides an aluminum alloy metal mold gravity casting turbocharger compressor casing mould adopts metal mold composite gravity casting to produce thin-wall compressor casing, the casting quality is stable, the product internal quality is stable, the material performance is obviously higher than the lost wax method precision casting, the cost is controllable; 3. the thin wall of the compressor shell is difficult to fill, and the temperature of the mould can be controlled by the design of a mould heating system, so that the fluidity of the molten aluminum is ensured, and the filling integrity is ensured;
2. the utility model provides an aluminum alloy metal mold gravity casting turbo charger compressor casing mould adds on the kicking plate surface and establishes the release link, and when the clamp plate drove the kicking plate tenesmus, a plurality of damping rings on release link surface got into release link and lower bolster in proper order perforate, realized reducing the reduction action to the release link roof and pounded the dynamics of hitting the lower bolster.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the utility model discloses lower mould and lower bolster connection structure sketch map.
In the figure: 1. a sand core pouring cup; 2. mounting a template; 3. an upper mold core; 4. a compressor housing; 5. a sand core; 6. a bottom die mold core; 7. a lower die; 8. a top rod; 9. a lower template; 10. a material ejecting plate; 11. pressing a plate; 12. a mould leg; 13. a connecting column of the mould leg; 14. a reset lever; 15. heating a tube; 16. positioning pins; 17. a support frame; 18. a damping ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative work, all belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an aluminum alloy metal mold gravity casting turbocharger compressor shell mold comprises an upper mold plate 2 and a lower mold 7, wherein a casting assembly is arranged on the surface of the upper mold plate 2 and comprises a sand core pouring cup 1, the sand core pouring cup 1 is fixed on the top surface of the upper mold plate 2, the sand core pouring cup 1 is arranged in the middle of the top surface of the upper mold plate 2, the sand core pouring cup 1 penetrates through a plate body of the upper mold plate 2, a forming assembly is arranged between the upper mold plate 2 and the lower mold 7 and comprises an upper mold core 3 and a bottom mold core 6, the upper mold core 3 is fixed on the bottom surface of the upper mold plate 2, the bottom mold core 6 is fixed on the top surface of the lower mold 7, a sand core 5 is arranged above the bottom mold core 6, the upper mold core 3 and the sand core 5 clamp a casting compressor shell 4, a positioning pin 16 is arranged on the bottom surface of the upper mold core 3, and a heating pipe 15 is inserted into the surface of the lower mold 7;
the bottom of the lower die 7 is provided with a supporting installation part, the supporting installation part comprises a lower die plate 9 and a die pin connecting post 13 fixed on the bottom surface of the lower die plate 9, a supporting frame 17 is arranged between the top surface of the lower die plate 9 and the bottom surface of the lower die 7, the bottom end of the die pin connecting post 13 is provided with a die pin 12, the inner side of the supporting installation part is provided with a jacking demoulding part, the jacking demoulding part comprises a jacking plate and a mandril 8 fixed on the top surface of the jacking plate, the mandril 8 penetrates through the lower die plate 9 and the lower die 7, the bottom surface of the jacking plate is provided with a pressing plate 11, the jacking demoulding part is pulled by a damping resetting part, the damping resetting part is pulled to comprise a resetting rod 14 and a damping ring 18 sleeved on the outer side of the resetting rod 14, the resetting rod 14 is fixed on the top surface of the jacking plate, the resetting rod 14 is in a T-shaped structure, the resetting rod 14 penetrates through the lower die plate 9, and the top plate of the resetting rod 14 is lapped on the lower die plate 9, the top surface of the ejector rod 8 is positioned in the through holes of the ejector rod 8 and the lower die 7.
The working principle is as follows: during the in-service use, cope match-plate pattern 2 links to each other with last mould core 3, cope match-plate pattern 2 snap-on is on the gravity casting machine, lower bolster 9 passes through the die foot 12 to be fixed on the gravity casting machine, lower bolster 9 design has ejecting device, because structural design's restriction, compressor casing 4 after the pouring is accomplished can stay on the equipment, through removing the ejector plate, ejector pin 8 with compressor casing 4 jack-up from the mould, take out, the product takes out the back, clamp plate 11 pulls the ejector plate and descends, release link 14 descends the plays the guide effect to the ejector plate, a plurality of damping rings 18 on release link 14 surface get into the perforation of release link 14 and lower bolster 9 in proper order, play the damping effect, reduce the dynamics that release link 14 roof whereabouts hits lower bolster 9. The sand core pouring cup 1 is used as a flow guide structure of molten aluminum during pouring and is arranged at the pouring gate position of the upper template 2, and the sand core pouring cup 1 can also be used as a heat insulation riser during solidification due to the heat insulation effect of the sand core 5; the thin wall of the compressor shell 4 is difficult to fill, and the heating pipe 15 is adopted for heating through the design of a mold heating system, so that the temperature of the mold can be controlled, the fluidity of aluminum liquid is ensured, and the complete filling is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.