CN106180627A - The die-casting system of a kind of electric steering gear housing and method - Google Patents
The die-casting system of a kind of electric steering gear housing and method Download PDFInfo
- Publication number
- CN106180627A CN106180627A CN201610762892.8A CN201610762892A CN106180627A CN 106180627 A CN106180627 A CN 106180627A CN 201610762892 A CN201610762892 A CN 201610762892A CN 106180627 A CN106180627 A CN 106180627A
- Authority
- CN
- China
- Prior art keywords
- steering gear
- gear housing
- electric steering
- die
- hydraulic cylinder
- 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.)
- Pending
Links
- 238000004512 die casting Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract 2
- 239000007924 injection Substances 0.000 claims abstract 2
- 238000001514 detection method Methods 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention provides a kind of die-casting system and the method for electric steering gear housing, including: mould, electric steering gear housing and hydraulic cylinder.Described mould has die cavity.Electric steering gear housing is by the housing of half curdled appearance formed in the aluminum liquid described die cavity of injection.The squeeze pin of described hydraulic cylinder is corresponding with the thick position of described electric steering gear housing, is used for extruding described electric steering gear housing, it is to avoid shrinkage cavity defect, and porosity, within 3%, is greatly improved product strength.
Description
Technical field
The present invention relates to a kind of housing, relate to die-casting system and the method for a kind of electric steering gear housing.
Background technology
Along with popularizing of electric boosted steering, the capacity requirements turning to casing body is more and more higher.Simultaneously along with
Under the influence of automobile market reduces cost and lightweight, the use of pack alloy and the weight saving of parts, it is ensured that automobile
The while of light-weighted, security performance is higher, shows that the interior porosity of the foundry goods key force part turning to casing body is 3%
Hereinafter, occur without shrinkage cavity simultaneously.
At present, casing body force part is turned to use cooling water mode to guarantee porosity and internal soundness, but due to gently
Quantitative design causes major part wall thickness at about 4mm so that it is big that connecting hole position, product local exists local thickness, die casting cast gate
Cannot transmit supercharging during die casting, cause conforming product rate the highest, internal soundness is poor, and safety reduces.
Summary of the invention
Present invention aims to above-mentioned the deficiencies in the prior art, it is provided that the die casting system of a kind of electric steering gear housing
System and method, it is to avoid shrinkage cavity defect, porosity, within 3%, is greatly improved product strength.
For achieving the above object, present invention employs following technical scheme:
The invention provides the die-casting system of a kind of electric steering gear housing, the die-casting system of described electric steering gear housing
Including: mould, described mould has die cavity；The thick position of hydraulic cylinder, the squeeze pin of described hydraulic cylinder and electric steering gear housing
Correspondence, is used for extruding described electric steering gear housing, and wherein, described electric steering gear housing is to be injected in described die cavity by aluminum liquid
The housing of half curdled appearance formed.
Further, described squeeze pin is configured to extrude the thick position of described electric steering gear housing, makes
The thick position of described electric steering gear housing has pre-manufactured hole.
Further, the hole depth of described pre-manufactured hole and aperture ratio are 1:2.
Further, the tapering of described squeeze pin is 2 °.
Further, the die-casting system of described electric steering gear housing also includes:
Detection device, described detection device is arranged in described die cavity, the position letter of aluminum liquid in detecting described die cavity
Breath；
Controller, described controller is connected with described detection device and described hydraulic cylinder, for according to described detection device
The positional information of the described aluminum liquid of detection, controls described hydraulic cylinder works.
Present invention also offers the pressure casting method of a kind of electric steering gear housing, use electric powered steering casing described above
The die-casting system of body, the pressure casting method of described electric steering gear housing comprises the following steps:
Aluminum liquid will be injected in the die cavity of mould；
In predefined conditions, described aluminum liquid forms the electric steering gear housing of half curdled appearance in described die cavity；
The squeeze pin of hydraulic cylinder extrudes the thick position of described electric steering gear housing.
Further, the squeeze pin of described hydraulic cylinder extrudes the thick position of described electric steering gear housing, particularly as follows:
The squeeze pin of hydraulic cylinder extrudes the thick position of described electric steering gear housing, makes the thickness of described electric steering gear housing
It is the pre-manufactured hole of 1:2 that position forms hole depth with aperture ratio.
Use technique scheme, the electric steering gear housing of use present invention offer is provided
Die-casting system and method are by by injecting aluminum liquid in the die cavity of mould, treating that aluminum liquid forms the electric steering gear housing of half curdled appearance
Time, the thick position of the squeeze pin extruding electric steering gear housing of hydraulic cylinder, so that the thick position tool of electric steering gear housing
There is the pressure inwardly with to surrounding so that electric steering gear housing interior structure is tight, thus avoids shrinkage cavity defect, and porosity exists
Within 3%, it is greatly improved product strength.
Accompanying drawing explanation
Fig. 1 is the structural representation of the die-casting system of the electric steering gear housing of the present invention；
Fig. 2 be the electric steering gear housing of the present invention die-casting system in part-structure profile；
Fig. 3 is the flow chart of the pressure casting method of the electric steering gear housing of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and embodiment, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Fig. 1 is the structural representation of the die-casting system of the electric steering gear housing 2 of the present invention.Shown in Fig. 1 and Fig. 2,
The die-casting system of described electric steering gear housing 2 includes mould 1 and hydraulic cylinder 3.Described mould 1 has die cavity.Hydraulic cylinder 3 uses
A diameter of 180mm, the tapering of described squeeze pin 31 is 2 °.Wherein, electric steering gear housing 2 is to be injected in described die cavity by aluminum liquid
The housing of half curdled appearance formed.The squeeze pin 31 of described hydraulic cylinder 3 and the thick position pair of described electric steering gear housing 2
Should, it is used for extruding described electric steering gear housing 2.
The embodiment that the present invention provides is by by injecting aluminum liquid in the die cavity of mould 1, treating that aluminum liquid forms half curdled appearance
During electric steering gear housing 2, the squeeze pin 31 of hydraulic cylinder 3 extrudes the thick position of electric steering gear housing 2, so that electric rotating
There is the pressure inwardly with to surrounding to the thick position of casing body 2 so that electric steering gear housing 2 compact internal structure, thus
Avoiding shrinkage cavity defect, porosity, within 3%, is greatly improved product strength.
Further, the squeeze pin 31 described in foregoing invention embodiment extrudes the thick portion of described electric steering gear housing 2
Position, makes the thick position of described electric steering gear housing 2 have pre-manufactured hole.Wherein, the hole depth of described pre-manufactured hole with aperture ratio is
1:2。
The opportunity every time extruding electric steering gear housing 2 in order to ensure the squeeze pin 31 of hydraulic cylinder 3 is consistent with the dwell time,
The die-casting system of electric steering gear housing 2 farther includes: detection device and controller.Described detection device is arranged on described type
Intracavity, the positional information of aluminum liquid in detecting described die cavity.Described controller connects with described detection device and described hydraulic cylinder 3
Connect, for the positional information of the described aluminum liquid according to the detection of described detection device, control described hydraulic cylinder 3 and work.
Fig. 3 is the flow chart of the pressure casting method of the electric steering gear housing of the present invention.As it is shown on figure 3, described electric powered steering
The pressure casting method of casing body uses the die-casting system of the electric steering gear housing described in above-described embodiment, and the method includes:
Step 1, will inject aluminum liquid in the die cavity of mould.
Step 2, in predefined conditions, described aluminum liquid forms the electric powered steering casing of half curdled appearance in described die cavity
Body.
Wherein, predetermined condition is the condition that aluminum liquid can be formed in prior art half curdled appearance, such as pressure, temperature
Deng.The embodiment of the present invention is not specifically limited.
Step 3, the squeeze pin of hydraulic cylinder extrudes the thick position of described electric steering gear housing.
In this step, the squeeze pin of hydraulic cylinder extrudes the thick position of described electric steering gear housing, makes described electric rotating
Forming hole depth is the pre-manufactured hole of 1:2 to the thick position of casing body with aperture ratio.
The embodiment that the present invention provides is by by injecting aluminum liquid in the die cavity of mould, treating that aluminum liquid forms the electricity of half curdled appearance
Dynamic when turning to casing body, the thick position of the squeeze pin extruding electric steering gear housing of hydraulic cylinder, so that electric powered steering casing
The thick position of body has the pressure inwardly with to surrounding so that electric steering gear housing interior structure is tight, thus avoids shrinkage cavity
Defect, porosity, within 3%, is greatly improved product strength.
Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but can not
Therefore the restriction to the scope of the claims of the present invention it is interpreted as.It should be pointed out that, for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. the die-casting system of an electric steering gear housing, it is characterised in that the die-casting system bag of described electric steering gear housing
Include:
Mould, described mould has die cavity；
Hydraulic cylinder, the squeeze pin of described hydraulic cylinder is corresponding with the thick position of electric steering gear housing, is used for extruding described electric rotating
To casing body,
Wherein, described electric steering gear housing is by the housing of half curdled appearance formed in the aluminum liquid described die cavity of injection.
The die-casting system of electric steering gear housing the most according to claim 1, it is characterised in that
Described squeeze pin is configured to extrude the thick position of described electric steering gear housing, makes the thick portion of described electric steering gear housing
Position has pre-manufactured hole.
The die-casting system of electric steering gear housing the most according to claim 2, it is characterised in that the hole depth of described pre-manufactured hole
It is 1:2 with aperture ratio.
4. according to the die-casting system of the electric steering gear housing according to any one of claims 1 to 3, it is characterised in that described
The tapering of squeeze pin is 2 °.
5. according to the die-casting system of the electric steering gear housing according to any one of claims 1 to 3, it is characterised in that also wrap
Include:
Detection device, described detection device is arranged in described die cavity, the positional information of aluminum liquid in detecting described die cavity；
Controller, described controller is connected with described detection device and described hydraulic cylinder, for detecting according to described detection device
The positional information of described aluminum liquid, control described hydraulic cylinder works.
6. a pressure casting method for electric steering gear housing, uses the electric powered steering according to any one of the claims 1～5
The die-casting system of casing body, it is characterised in that comprise the following steps:
Aluminum liquid will be injected in the die cavity of mould；
In predefined conditions, described aluminum liquid forms the electric steering gear housing of half curdled appearance in described die cavity；
The squeeze pin of hydraulic cylinder extrudes the thick position of described electric steering gear housing.
The die-casting system of electric steering gear housing the most according to claim 1, it is characterised in that the extruding of described hydraulic cylinder
Pin extrudes the thick position of described electric steering gear housing, particularly as follows:
The squeeze pin of hydraulic cylinder extrudes the thick position of described electric steering gear housing, makes the thick position of described electric steering gear housing
Forming hole depth with aperture ratio is the pre-manufactured hole of 1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610762892.8A CN106180627A (en) | 2016-08-30 | 2016-08-30 | The die-casting system of a kind of electric steering gear housing and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610762892.8A CN106180627A (en) | 2016-08-30 | 2016-08-30 | The die-casting system of a kind of electric steering gear housing and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106180627A true CN106180627A (en) | 2016-12-07 |
Family
ID=58089631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610762892.8A Pending CN106180627A (en) | 2016-08-30 | 2016-08-30 | The die-casting system of a kind of electric steering gear housing and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106180627A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623845A (en) * | 2017-01-12 | 2017-05-10 | 太仓海嘉车辆配件有限公司 | Die casting extrusion mechanism and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05253658A (en) * | 1992-03-12 | 1993-10-05 | Nippondenso Co Ltd | Casting apparatus and casting method for die casting |
| JP2004223610A (en) * | 2003-01-21 | 2004-08-12 | Kyosan Hirota | Method for manufacturing die cast product and apparatus for manufacturing the same |
| US20070193712A1 (en) * | 2006-02-21 | 2007-08-23 | Toshiba Kikai Kabushiki Kaisha | Method of detection of abnormality of squeeze pin and molding machine |
| CN201720411U (en) * | 2010-07-28 | 2011-01-26 | 重庆东科模具制造有限公司 | Die-casting die provided with local pressing device |
| CN202212563U (en) * | 2011-08-25 | 2012-05-09 | 营口压铸业有限公司 | Extrusion die-casting die |
| CN104858388A (en) * | 2015-05-21 | 2015-08-26 | 上海东岩机械股份有限公司 | Local extrusion forming device for die and extrusion forming technology thereof |
| CN205949815U (en) * | 2016-08-30 | 2017-02-15 | 太仓海嘉车辆配件有限公司 | Electronic die -casting system that turns to casing body |
-
2016
- 2016-08-30 CN CN201610762892.8A patent/CN106180627A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05253658A (en) * | 1992-03-12 | 1993-10-05 | Nippondenso Co Ltd | Casting apparatus and casting method for die casting |
| JP2004223610A (en) * | 2003-01-21 | 2004-08-12 | Kyosan Hirota | Method for manufacturing die cast product and apparatus for manufacturing the same |
| US20070193712A1 (en) * | 2006-02-21 | 2007-08-23 | Toshiba Kikai Kabushiki Kaisha | Method of detection of abnormality of squeeze pin and molding machine |
| CN201720411U (en) * | 2010-07-28 | 2011-01-26 | 重庆东科模具制造有限公司 | Die-casting die provided with local pressing device |
| CN202212563U (en) * | 2011-08-25 | 2012-05-09 | 营口压铸业有限公司 | Extrusion die-casting die |
| CN104858388A (en) * | 2015-05-21 | 2015-08-26 | 上海东岩机械股份有限公司 | Local extrusion forming device for die and extrusion forming technology thereof |
| CN205949815U (en) * | 2016-08-30 | 2017-02-15 | 太仓海嘉车辆配件有限公司 | Electronic die -casting system that turns to casing body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623845A (en) * | 2017-01-12 | 2017-05-10 | 太仓海嘉车辆配件有限公司 | Die casting extrusion mechanism and method |
| CN106623845B (en) * | 2017-01-12 | 2019-07-26 | 太仓海嘉车辆配件有限公司 | A kind of die casting pressing mechanism and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |