CN106141088A - A kind of metal mold gravity casting method and casting mould - Google Patents
A kind of metal mold gravity casting method and casting mould Download PDFInfo
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- CN106141088A CN106141088A CN201510193153.7A CN201510193153A CN106141088A CN 106141088 A CN106141088 A CN 106141088A CN 201510193153 A CN201510193153 A CN 201510193153A CN 106141088 A CN106141088 A CN 106141088A
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- 238000005266 casting Methods 0.000 title claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 52
- 239000002184 metal Substances 0.000 title claims abstract description 52
- 230000005484 gravity Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004513 sizing Methods 0.000 claims abstract description 25
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 230000000630 rising effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000012549 training Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of metal mold gravity casting method and casting mould, including metal mold body, left side mould, right side mould, front end mould, rear end mould and bed die, it is placed with air flue core and oil passage sand core in the die cavity of described metal mold body, described metal gravity casting die is provided with sizing point, air flue core and oil passage sand core being accurately positioned in die cavity by sizing point, the kenel of described sizing point passes through numerical control machining center machine-shaping.Core of the present invention is mutually buckled by sizing point with metal mold, advantageously forms baroque foundry goods, it is ensured that the quality of interiors of products；The present invention can complete cast casting mould shell without manual monitoring, the operation semi-automatic by machinery, reduce the human cost during castings production, the beneficially growth of enterprise's self benefits；The present invention is simple to operate, and staff is the most independently operable after simple training, and the good reliability of device, essentially without breaking down.
Description
Technical field
The invention belongs to casting field, specifically refer to a kind of metal mold gravity casting method and casting mould.
Background technology
Development along with automobile industry, automobile engine cylinder head casing is more and more higher for the requirement reducing engine noise and Quality Cost, developing low-cost high-quality and have the automobile engine cylinder head casing of noise reduction and become the focus that domestic and international manufacturing is paid close attention to, it is extremely the most urgent that the core manufacture of automobile engine integral Al-alloy integrated cylinder head cover parts realizes production domesticization.At present there are technological difficulties in this product, and owing to casting section thickness is relatively thin, morphosis is complicated, and core quantity is many, and front and back end mould is that dynamic model is loosed core, and core location has certain highly difficult, and cylinder head cover is easily generated loose, cold shut, dislocation, phenomenon of osmosis.
Summary of the invention
It is an object of the invention to: overcome prior art drawbacks described above, it is provided that a kind of metal mold gravity casting method and casting mould.
The present invention is achieved through the following technical solutions:
A kind of metal gravity casting die, including metal mold body, left side mould, right side mould, front end mould, rear end mould and bed die, it is placed with air flue core and oil passage sand core in the die cavity of described metal mold body, described metal gravity casting die is provided with sizing point, air flue core and oil passage sand core being accurately positioned in die cavity by sizing point, the kenel of described sizing point passes through numerical control machining center machine-shaping.
As the preferred mode of one, in the design of described sizing point and bed die.
As the preferred mode of one, the kenel of described sizing point can be square, T-shaped, oval or trumpet type.
As the preferred mode of one, described metal gravity casting die is provided with the axle of loosing core of aerofluxus exhausting system, described front end mould and rear end mould and all uses H13 steel to make, and described left side mould, right side mould and bed die are equipped with water-cooling apparatus, and described bed die is provided with plunger tip plate.
As the preferred mode of one, described metal gravity casting die uses parting gating, and described parting gating includes pouring basin, cross gate and ingate.
As the preferred mode of one, the top of described metal gravity casting die running channel is provided with drainage screen.
As the preferred mode of one, described drainage screen is alumina silicate fibre mesh grid.
As the preferred mode of one, the mesh bore of described drainage screen is 2.0mmx2.0mm.
The present invention includes following technical process:
(1) coremaking: making core, core includes oil passage sand core, air flue core and rising head core；
(2) preheating: casting mould is preheated to 220-250 DEG C, blows off die cavity, and sprayed coating；
(3) core under: oil passage sand core and air flue core are put into die cavity, and is fixed by sizing point；
(4) front end mould and rear end mould mould assembly: first by left side mould and right side mould mould assembly, mould assembly opens left side mould and right side mould again after completing, then by front end mould and rear end mould mould assembly；
(5) assemble rising head core: by rising head assembly of sand core to metal gravity casting die, then blow off die cavity, then by left side mould and right side mould mould assembly, mould assembly complete after etc. to be cast；
(6) cast: poured into a mould at pouring basin by casting ladle by molten metal, is kept pouring basin to be in full state, can not interrupt flow velocity, until rising head core is full of；
(7) solidification pickup: after waiting that molten metal solidifies completely, take out foundry goods by plunger tip plate.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) core of the present invention is mutually buckled by sizing point with metal mold, when aluminum water fills type, metal mold chance high temperature matches with core, avoid core skew, the inner wall size overproof quality phenomenon that vibration, the changing of the relative positions cause, advantageously form baroque foundry goods, it is ensured that the quality of interiors of products；
(2) present invention can complete cast casting mould shell without manual monitoring, the operation semi-automatic by machinery, reduce the human cost during castings production, the beneficially growth of enterprise's self benefits；
(3) present invention is simple to operate, and staff is the most independently operable after simple training, and the good reliability of device, practical, essentially without breaking down.
Accompanying drawing explanation
Fig. 1 is the top view of the present invention.
Fig. 2 is the side view of the present invention.
Wherein: mould on the right side of in the of 1,2 pouring basins, mould on the left of in the of 3,4 rear end moulds, 5 plunger tip plates.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
See Fig. 1, Fig. 2, a kind of metal gravity casting die, including metal mold body, left side mould 3, right side mould 1, front end mould, rear end mould 4 and bed die, it is placed with air flue core and oil passage sand core in the die cavity of described metal mold body, described metal gravity casting die is provided with sizing point, air flue core and oil passage sand core being accurately positioned in die cavity by sizing point, the kenel of described sizing point passes through numerical control machining center machine-shaping.
The sizing point of the present invention uses CAE analogue simulation dynamic analysis technology to be designed, and by numerical control machining center machine-shaping.The kenel of sizing point can be square, T-shaped, oval or trumpet type.Arranged by this kind, core can be made mutually to be buckled by sizing point with metal mold, core includes air flue core and oil passage sand core, when aluminum water fills type, metal mold chance high temperature matches with core, avoid core skew, the inner wall size overproof quality phenomenon that loosening, the changing of the relative positions causes, advantageously forms baroque foundry goods, it is ensured that the quality of interiors of products.
As the preferred mode of one, the design of described sizing point, with on bed die, is arranged by this kind, can ensure the dimensional accuracy of product.
As the preferred mode of one, described metal gravity casting die is provided with aerofluxus exhausting system, the axle of loosing core of described front end mould and rear end mould 4 all uses H13 steel to make, and described left side mould 3, right side mould 1 and bed die are equipped with water-cooling apparatus, and described bed die is provided with plunger tip plate 5.By aerofluxus exhausting system, gas and the oil smoke that can be produced by core in casting process are discharged.Axle of loosing core uses H13 just to make, and its intensity and anti-wear performance are higher by more than 30% than ordinary steel, and H13 steel is through special Technology for Heating Processing, and material is durable in use, can use 150,000-20 ten thousand times.By water cooling system device, automatic regulating valve water cooling can be controlled, to ensure in the control lower mold temperature specified at 260 DEG C ± 20 DEG C.
As the preferred mode of one, described metal gravity casting die uses parting gating, and described parting gating includes pouring basin 2, cross gate and ingate.Parting gating combines the advantage of the system of bottom filling or top pouring type, improves feeding condition, fills type steady；Be conducive to again aerofluxus, consecutive solidification from bottom to top can easily be realized；Rising head abundant feeding foundry goods be can make, product slag inclusion, pore, the defect such as loose reduced, to guarantee the quality of foundry goods.Additionally, parting gating is simple and compact for structure, be conducive to improving the utilization rate of casting mold area and facilitating moulding to dispose from foundry goods.
As the preferred mode of one, the top of described metal gravity casting die running channel is provided with drainage screen.Drainage screen is preferably alumina silicate fibre mesh grid.As preferably, the mesh bore of drainage screen is 2.0mmx2.0mm.Arranged by this kind, pouring basin 2 can be made to be in full state, it is to avoid foreign gas is involved in, reduce the phenomenon of the defect such as cold shut, slag inclusion simultaneously.
The specific embodiment of the present invention is as follows:
(1) coremaking: making core, core includes oil passage sand core, air flue core and rising head core；
(2) preheating: casting mould is preheated to 220-250 DEG C, blows off die cavity, and sprayed coating；
(3) core under: oil passage sand core and air flue core are put into die cavity, and is fixed by sizing point；
(4) front end mould and rear end mould 4 mould assembly: first by left side mould 3 and right side mould 1 mould assembly, mould assembly opens left side mould 3 and right side mould 1 again after completing, then by front end mould and rear end mould 4 mould assembly；
(5) assemble rising head core: by rising head assembly of sand core to metal gravity casting die, then blow off die cavity, then by left side mould 3 and right side mould 1 mould assembly, mould assembly complete after etc. to be cast；
(6) cast: poured into a mould at pouring basin 2 by casting ladle by molten metal, is kept pouring basin 2 to be in full state, can not interrupt flow velocity, until rising head core is full of；
(7) solidification pickup: after waiting that molten metal solidifies completely, take out foundry goods by plunger tip plate 5.
The present invention changes evaporative pattern and the sand casting process of employing both at home and abroad, former technique class yield (8 40, hour/class), at the bottom of production efficiency, quality cost is high, using class's yield (8 60, hour/class) after present invention process, production efficiency has obtained promoting at double, and stabilizes product quality, reduce production cost, machinery can be realized semi-automatic.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every above example is made according to the technical spirit of the present invention any simple modification, equivalent variations, each fall within protection scope of the present invention.
Claims (9)
1. a metal gravity casting die, it is characterized in that: include metal mold body, left side mould (3), right side mould (1), front end mould, rear end mould (4) and bed die, it is placed with air flue core and oil passage sand core in the die cavity of described metal mold body, described metal gravity casting die is provided with sizing point, air flue core and oil passage sand core being accurately positioned in die cavity by sizing point, the kenel of described sizing point passes through numerical control machining center machine-shaping.
A kind of metal gravity casting die the most according to claim 1, it is characterised in that: in the design of described sizing point and bed die.
A kind of metal gravity casting die the most according to claim 1, it is characterised in that: the kenel of described sizing point can be square, T-shaped, oval or trumpet type.
A kind of metal gravity casting die the most according to claim 1, it is characterized in that: described metal gravity casting die is provided with aerofluxus exhausting system, the axle of loosing core of described front end mould and rear end mould (4) all uses H13 steel to make, described left side mould (3), right side mould (1) and bed die are equipped with water-cooling apparatus, and described bed die is provided with plunger tip plate (5).
A kind of metal gravity casting die the most according to claim 4, it is characterised in that: described metal gravity casting die uses parting gating, and described parting gating includes pouring basin (2), cross gate and ingate.
A kind of metal gravity casting die the most according to claim 5, it is characterised in that: the top of described metal gravity casting die running channel is provided with drainage screen.
A kind of metal gravity casting die the most according to claim 6, it is characterised in that: described drainage screen is alumina silicate fibre mesh grid.
A kind of metal gravity casting die the most according to claim 7, it is characterised in that: the mesh bore of described drainage screen is 2.0mmx2.0mm.
9. a metal mold gravity casting method, it is characterised in that: use a kind of metal gravity casting die described in claim 5, including following technical process:
(1) coremaking: making core, core includes oil passage sand core, air flue core and rising head core；
(2) preheating: casting mould is preheated to 220-250 DEG C, blows off die cavity, and sprayed coating；
(3) core under: oil passage sand core and air flue core are put into die cavity, and is fixed by sizing point；
(4) front end mould and rear end mould (4) mould assembly: first by left side mould (3) and right side mould (1) mould assembly, mould assembly opens left side mould (3) and right side mould (1) again after completing, then by front end mould and rear end mould (4) mould assembly；
(5) assemble rising head core: by rising head assembly of sand core to metal gravity casting die, then blow off die cavity, then by left side mould (3) and right side mould (1) mould assembly, mould assembly complete after etc. to be cast；
(6) cast: poured at pouring basin (2) place by casting ladle by molten metal, is kept pouring basin (2) to be in full state, can not interrupt flow velocity, until rising head core is full of；
(7) solidification pickup: after waiting that molten metal solidifies completely, take out foundry goods by plunger tip plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193153.7A CN106141088A (en) | 2015-04-22 | 2015-04-22 | A kind of metal mold gravity casting method and casting mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193153.7A CN106141088A (en) | 2015-04-22 | 2015-04-22 | A kind of metal mold gravity casting method and casting mould |
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| CN106141088A true CN106141088A (en) | 2016-11-23 |
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| CN201510193153.7A Pending CN106141088A (en) | 2015-04-22 | 2015-04-22 | A kind of metal mold gravity casting method and casting mould |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107199312A (en) * | 2017-07-13 | 2017-09-26 | 广西玉柴机器股份有限公司 | The quick cast and manufacturing process of integrated cylinder cap |
| CN107598132A (en) * | 2017-09-28 | 2018-01-19 | 苏州明志科技有限公司 | Injecting glue workbench for assembly of sand core |
| CN109482819A (en) * | 2018-11-16 | 2019-03-19 | 中国航发西安动力控制科技有限公司 | The casting method of Al-alloy casing |
| CN110000337A (en) * | 2019-04-26 | 2019-07-12 | 广东肇庆动力金属股份有限公司 | A kind of aluminium alloy electric casing casting mould |
| CN113319255A (en) * | 2021-05-28 | 2021-08-31 | 江西新德合汽配有限责任公司 | Production process of engine cylinder cover |
| CN114210925A (en) * | 2021-12-13 | 2022-03-22 | 湖南鑫泉科技有限公司 | A kind of metal mold gravity casting method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107199312A (en) * | 2017-07-13 | 2017-09-26 | 广西玉柴机器股份有限公司 | The quick cast and manufacturing process of integrated cylinder cap |
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| CN110000337A (en) * | 2019-04-26 | 2019-07-12 | 广东肇庆动力金属股份有限公司 | A kind of aluminium alloy electric casing casting mould |
| CN113319255A (en) * | 2021-05-28 | 2021-08-31 | 江西新德合汽配有限责任公司 | Production process of engine cylinder cover |
| CN114210925A (en) * | 2021-12-13 | 2022-03-22 | 湖南鑫泉科技有限公司 | A kind of metal mold gravity casting method |
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Application publication date: 20161123 |