CN103231013A - Transmission housing pouring method and sand casting mould used in transmission housing pouring method - Google Patents
Transmission housing pouring method and sand casting mould used in transmission housing pouring method Download PDFInfo
- Publication number
- CN103231013A CN103231013A CN2013101427419A CN201310142741A CN103231013A CN 103231013 A CN103231013 A CN 103231013A CN 2013101427419 A CN2013101427419 A CN 2013101427419A CN 201310142741 A CN201310142741 A CN 201310142741A CN 103231013 A CN103231013 A CN 103231013A
- Authority
- CN
- China
- Prior art keywords
- piece
- transmission
- case
- locating piece
- module
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a transmission housing pouring method. The transmission housing pouring method comprises the following steps of: firstly, casting molten aluminum at 650-750 DEG C in a mould for 13-17 seconds; secondly, demoulding; thirdly, trimming; fourthly, heating a transmission housing after the trimming is finished to 515-535 DEG C from normal temperature for 2-4 hours, and keeping the temperature for 3-5 hours after the heating is finished; fifthly, taking out the transmission housing after the heat preservation is finished and quenching till room temperature, wherein the quenching medium is water, and the quenching lasts 10-15 minutes; and sixthly, secondarily heating the transmission housing after the quenching is finished to 160-180 DEG C from normal temperature and then keeping the temperature, wherein the heat preservation lasts for 2-3 hours.
Description
Technical field
The present invention relates to engine speed changer, specifically is the sand casting mould of a kind of case of transmission pouring procedure and use thereof.
Background technology
Speed changer is one of most important parts in the engine, and the structure more complicated, therefore needs to guarantee its higher quality requirement.At present, existing case of transmission processing method is to dig out by solid aluminum block, and its part that comes with some shortcomings: above-mentioned processing method makes case of transmission differ bigger after the batch process between the product, produces instability, can't guarantee the quality of product; Another kind of case of transmission processing method is for opening mantle, produces in batches more stablely, and product quality is better, but its production cost is higher, and debugging cycle is longer, makes that the friendship phase is slower.
Summary of the invention
Technical problem to be solved by this invention: provide that a kind of production cost is lower, the friendship phase is very fast and produce in batches after more stable case of transmission pouring procedure.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of case of transmission pouring procedure, and it may further comprise the steps: 1., the aluminium liquid of 650～750 ° of C is poured into a mould the sand casting mould, be 13～17s the duration of pouring; 2., the demoulding; 3., deburring; 4., the case of transmission that will finish deburring is heated to 515～535 ° of C from normal temperature, be 2～4h described heat time heating time, insulation 3～5h after described heating is finished; 5., will be incubated that case of transmission after finishing takes out and quench cooled to room temperature, hardening media is water, the cool time is 10～15min; 6., the case of transmission that will finish quenching is incubated behind ° C of normal temperature post bake to 160～180, described temperature retention time is 2～3h.
A kind of sand casting mould of case of transmission, the sand casting mould of described step in 1. comprises dynamic model piece and cover half piece, described cover half piece is positioned on the dynamic model piece, be equipped with running channel on described dynamic model piece and the cover half piece, three weeks of described dynamic model piece are respectively equipped with left module, upper module and right module, on can be with left module, upper module and right module slave module after case of transmission cast and the cooling, disassemble, and then make the demoulding be easier to, thereby increase work efficiency.
After adopting said method and structure, the advantage that the present invention has is: above-mentioned case of transmission casting material is AlSi10MgCu, the method that the present invention adopts the sand casting method to cooperate with heat treatment phase, make production cost lower, the friendship phase is very fast, and the motor body quality of producing is more stable, and product yield can reach 50.5%.
As preferably, the temperature of aluminum liquid of described step in 1. is 690 ° of C, and the duration of pouring of described step in 1. is 15s.
As preferably, the case of transmission that described step will be finished deburring in 4. is heated to 525 ° of C from normal temperature, and the heat time heating time of described step in 4. is 3h, and temperature retention time is 4h.
As preferably, described step 5. in the cool time be 13min.
As preferably, the case of transmission that described step will be finished quenching in 6. is from normal temperature post bake to 170 ° C, and temperature retention time is 2.5h.
Described cover half piece is provided with sprue, described dynamic model piece is provided with main cross gate, described sprue is communicated with main cross gate, described main cross gate along the foundry goods outline around distribution, described main cross gate is provided with several branch's cross gates, described cover half piece is provided with blind riser, above-mentioned running channel structure, it is more reasonable with the flow direction in proper order to make that casting metal fills type, when filling type, can not produce backflow phenomenon, accomplish exhaust in proper order, be conducive to get rid of fully the gas in the die cavity, and then minimizing casting flaw, the quality of raising foundry goods; Described cover half piece is provided with blind riser, can carry out feeding to foundry goods, and then reduces casting flaw, thereby improves the quality of foundry goods.
As preferably, described left module one side is provided with first locating piece, described upper module one side and is provided with that second locating piece, all right module one sides are provided with the 3rd locating piece, described cover half piece one side is provided with the 4th locating piece, described dynamic model piece one side is provided with respectively first detent, second detent, the 3rd detent and the 4th detent that cooperates one by one with first locating piece, second locating piece, the 3rd locating piece and the 4th locating piece, structure is simpler, more convenient during dismounting, make the demoulding be more prone to.
Described first locating piece, second locating piece, the 3rd locating piece and the 4th locating piece are the truncated cone-shaped locating piece, less than the end diameter of truncated cone-shaped locating piece near module, the truncated cone-shaped locating piece makes the module dismounting be easier to described truncated cone-shaped locating piece away from an end diameter of module.
As preferably, described dynamic model piece, cover half piece, left module, upper module and right module are the sand mold module, are equipped with the gap between described left module, upper module and right module and the dynamic model piece, adopt the sand mold to make production cost lower, and the cycle of mold are shorter; Be equipped with the gap between described left module, upper module and right module and the dynamic model piece, be convenient to get rid of gas in the die cavity, thereby improve casting quality, the gap makes the gap between the module make that dismounting is more convenient in addition, and then is easier to when making the foundry goods demoulding.
Description of drawings
Fig. 1 is the left modular structure schematic diagram of case of transmission sand casting mould of the present invention.
Fig. 2 is the upper module structural representation of case of transmission sand casting mould of the present invention.
Fig. 3 is the right modular structure schematic diagram of case of transmission sand casting mould of the present invention.
Fig. 4 is the dynamic model block structure schematic diagram of case of transmission sand casting mould of the present invention.
Fig. 5 is the knocked-down dynamic model block structure schematic diagram of case of transmission sand casting mould of the present invention.
Fig. 6 is the cover half block structure schematic diagram of case of transmission sand casting mould of the present invention.
As shown in the figure: 1-dynamic model piece, 2-cover half piece, 3-left side module, the 4-upper module, the right module of 5-, 6-sprue, 7-master's cross gate, 8-branch cross gate, 9-blind riser, 10.1-first locating piece, 10.2-second locating piece, 10.3-the 3rd locating piece, 10.4-the 4th locating piece, 11.1-first detent, 11.2-second detent, 11.3-the 3rd detent, 11.4-the 4th detent.
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing.
A kind of case of transmission pouring procedure, it may further comprise the steps: 1., the aluminium liquid of 650～750 ° of C is poured into a mould the sand casting mould, be 13～17s the duration of pouring; 2., the demoulding; 3., deburring; 4., the case of transmission that will finish deburring is heated to 515～535 ° of C from normal temperature, be 2～4h described heat time heating time, insulation 3～5h after described heating is finished; 5., will be incubated that case of transmission after finishing takes out and quench cooled to room temperature, hardening media is water, the cool time is 10～15min; 6., the case of transmission that will finish quenching is incubated behind ° C of normal temperature post bake to 160～180, described temperature retention time is 2～3h.
Above-mentioned case of transmission casting material is AlSi10MgCu, and the method that the present invention adopts the sand casting method to cooperate with heat treatment phase makes production cost lower, and the friendship phase is very fast, and the motor body quality of producing is more stable, and product yield can reach 50.5%.
The temperature of aluminum liquid of described step in 1. is 690 ° of C, and the duration of pouring of described step in 1. is 15s; The case of transmission that described step will be finished deburring in 4. is heated to 525 ° of C from normal temperature, and the heat time heating time of described step in 4. is 3h, and temperature retention time is 4h; 5. the middle cool time is 13min to described step; The case of transmission that described step will be finished quenching in 6. is from normal temperature post bake to 170 ° C, and temperature retention time is 2.5h.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, a kind of case of transmission sand casting mould, the sand casting mould of described step in 1. comprises dynamic model piece 1 and cover half piece 2, described cover half piece 2 is positioned on the dynamic model piece 1, be equipped with running channel on described dynamic model piece 1 and the cover half piece 2, three weeks of described dynamic model piece 1 are respectively equipped with left module 3, upper module 4 and right module 5, on can be with left module 3, upper module 4 and right module 5 slave modules 1 after case of transmission cast and the cooling, disassemble, and then make the demoulding be easier to, thereby increase work efficiency.
Described cover half piece 2 is provided with sprue 6, described dynamic model piece 1 is provided with main cross gate 7, described sprue 6 is communicated with main cross gate 7, described main cross gate 7 along the foundry goods outline around distribution, described main cross gate 7 is provided with several branch's cross gates 8, described cover half piece 2 is provided with blind riser 9, above-mentioned running channel structure, it is more reasonable with the flow direction in proper order to make that casting metal fills type, when filling type, can not produce backflow phenomenon, accomplish exhaust in proper order, be conducive to get rid of fully the gas in the die cavity, and then minimizing casting flaw, the quality of raising foundry goods; Described cover half piece 2 is provided with blind riser 9, can carry out feeding to foundry goods, and then reduces casting flaw, thereby improves the quality of foundry goods.
Described left module 3 one sides are provided with first locating piece 10.1, described upper module 4 one sides are provided with second locating piece 10.2, all right module 5 one sides are provided with the 3rd locating piece 10.3, described cover half piece 2 one sides are provided with the 4th locating piece 10.4, described dynamic model piece 1 one sides are provided with respectively and first locating piece 10.1, second locating piece 10.2, first detent 11.1 that the 3rd locating piece 10.3 and the 4th locating piece 10.4 cooperate one by one, second detent 11.2, the 3rd detent 11.3 and the 4th detent 11.4, structure is simpler, more convenient during dismounting, make the demoulding be more prone to.
Described first locating piece (10.1), second locating piece (10.2), the 3rd locating piece (10.3) and the 4th locating piece (10.4) are the truncated cone-shaped locating piece, less than the end diameter of truncated cone-shaped locating piece near module, the truncated cone-shaped locating piece makes the module dismounting be easier to described truncated cone-shaped locating piece away from an end diameter of module.
Described dynamic model piece 1, cover half piece 2, left module 3, upper module 4 and right module 5 are the sand mold module, are equipped with the gap between described left module 3, upper module 4 and right module 5 and the dynamic model piece 1, adopt the sand mold to make production cost lower, and the cycle of mold are shorter; Be equipped with the gap between described left module 3, upper module 4 and right module 5 and the dynamic model piece 1, be convenient to get rid of gas in the die cavity, thereby improve casting quality; The gap makes the gap between the module make that dismounting is more convenient in addition, and then is easier to when making the foundry goods demoulding.
Above-mentioned dynamic model piece 1, cover half piece 2, left module 3, upper module 4 and right module 5 have been formed the die cavity of foundry goods, foundry goods is by dynamic model piece 1 and 2 moulding of cover half piece, foundry goods wherein three sides by left module 3, upper module 4 and right module 5 form, another side is by 2 moulding of cover half piece, during casting, molten metal enters main cross gate 7 by the sprue 6 on the cover half piece 2, enters die cavity by the branch's cross gate 8 on the main cross gate 7 again.
More than the present invention and embodiment thereof are described, this description does not have restricted, also one of the embodiments of the present invention just shown in the accompanying drawing, practical structure is not limited thereto.If generally speaking those of ordinary skill in the art is enlightened by it, under the situation that does not break away from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (10)
1. case of transmission pouring procedure, it is characterized in that: it may further comprise the steps:
1., the aluminium liquid of 650～750 ° of C is poured into a mould the sand casting mould, be 13～17s the duration of pouring;
2., the demoulding;
3., deburring;
4., the case of transmission that will finish deburring is heated to 515～535 ° of C from normal temperature, be 2～4h described heat time heating time, insulation 3～5h after described heating is finished;
5., will be incubated that case of transmission after finishing takes out and quench cooled to room temperature, hardening media is water, the cool time is 10～15min;
6., the case of transmission that will finish quenching is incubated behind ° C of normal temperature post bake to 160～180, described temperature retention time is 2～3h.
2. case of transmission pouring procedure according to claim 1 is characterized in that: the temperature of aluminum liquid of described step in 1. is 690 ° of C, and the duration of pouring of described step in 1. is 15s.
3. case of transmission pouring procedure according to claim 1 is characterized in that: the case of transmission that described step will be finished deburring in 4. is heated to 525 ° of C from normal temperature, and the heat time heating time of described step in 4. is 3h, and temperature retention time is 4h.
4. case of transmission pouring procedure according to claim 1 is characterized in that: described step 5. in the cool time be 13min.
5. case of transmission pouring procedure according to claim 1 is characterized in that: the case of transmission that described step will be finished quenching in 6. is from normal temperature post bake to 170 ° C, and temperature retention time is 2.5h.
6. case of transmission pouring procedure according to claim 1, it is characterized in that: the sand casting mould of described step in 1. comprises dynamic model piece (1) and cover half piece (2), described cover half piece (2) is positioned on the dynamic model piece (1), be equipped with running channel on described dynamic model piece (1) and the cover half piece (2), be respectively equipped with left module (3), upper module (4) and right module (5) three weeks of described dynamic model piece (1).
7. case of transmission pouring procedure according to claim 6, it is characterized in that: described cover half piece (2) is provided with sprue (6), described dynamic model piece (1) is provided with main cross gate (7), described sprue (6) is communicated with main cross gate (7), described main cross gate (7) along the foundry goods outline around distribution, described main cross gate (7) is provided with several branch's cross gates (8), and described cover half piece (2) is provided with blind riser (9).
8. case of transmission pouring procedure according to claim 6, it is characterized in that: described left module (3) one sides are provided with first locating piece (10.1), described upper module (4) one sides are provided with second locating piece (10.2), all right module (5) one sides are provided with the 3rd locating piece (10.3), described cover half piece (2) one sides are provided with the 4th locating piece (10.4), and described dynamic model piece (1) one side is provided with respectively and first locating piece (10.1), second locating piece (10.2), first detent (11.1) that the 3rd locating piece (10.3) and the 4th locating piece (10.4) cooperate one by one, second detent (11.2), the 3rd detent (11.3) and the 4th detent (11.4).
9. case of transmission pouring procedure according to claim 6, it is characterized in that: described first locating piece (10.1), second locating piece (10.2), the 3rd locating piece (10.3) and the 4th locating piece (10.4) are the truncated cone-shaped locating piece, described truncated cone-shaped locating piece away from an end diameter of module less than the end diameter of truncated cone-shaped locating piece near module.
10. case of transmission pouring procedure according to claim 6, it is characterized in that: described dynamic model piece (1), cover half piece (2), left module (3), upper module (4) and right module (5) are the sand mold module, are equipped with the gap between described left module (3), upper module (4) and right module (5) and the dynamic model piece (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142741.9A CN103231013B (en) | 2013-04-22 | 2013-04-22 | Transmission housing pouring method and sand casting mould used in transmission housing pouring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310142741.9A CN103231013B (en) | 2013-04-22 | 2013-04-22 | Transmission housing pouring method and sand casting mould used in transmission housing pouring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103231013A true CN103231013A (en) | 2013-08-07 |
| CN103231013B CN103231013B (en) | 2015-01-21 |
Family
ID=48879121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310142741.9A Active CN103231013B (en) | 2013-04-22 | 2013-04-22 | Transmission housing pouring method and sand casting mould used in transmission housing pouring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103231013B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695311A (en) * | 2019-08-28 | 2020-01-17 | 贵州大学 | Casting process of gearbox shell |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021986A (en) * | 2000-07-07 | 2002-01-23 | Sumitomo Heavy Ind Ltd | Separable type gearbox and mold for casting split box |
| US20040103964A1 (en) * | 2002-09-09 | 2004-06-03 | Takeyoshi Nakamura | Process for thermally treating light alloy casting |
| JP2006334567A (en) * | 2005-06-06 | 2006-12-14 | Seigu:Kk | Fermentation method |
| CN201147825Y (en) * | 2008-01-31 | 2008-11-12 | 宁波合力模具科技股份有限公司 | Pouring channel structure of automobile gearbox main casing cast die |
| CN201632623U (en) * | 2010-04-16 | 2010-11-17 | 共立精机(大连)有限公司 | Pressure-casting mold of speed changer shell |
| CN102052450A (en) * | 2010-10-27 | 2011-05-11 | 天津市奥亚机电有限公司 | Technology for casting transfer case casing of concrete pump truck through aluminum alloy |
| CN102363211A (en) * | 2011-10-10 | 2012-02-29 | 陈伟军 | Extrusion casting method for aluminum alloy automobile speed changing box shell |
| CN102605206A (en) * | 2012-03-29 | 2012-07-25 | 天津千鑫有色金属制品有限公司 | Aluminium alloy casting manufacturing process |
| CN102764873A (en) * | 2011-05-03 | 2012-11-07 | 远轻铝业（中国）有限公司 | Low-pressure casting process for turbocharger compressor casing |
| CN202701344U (en) * | 2012-08-03 | 2013-01-30 | 共立精机(大连)有限公司 | Die-casting die of tank cover |
-
2013
- 2013-04-22 CN CN201310142741.9A patent/CN103231013B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021986A (en) * | 2000-07-07 | 2002-01-23 | Sumitomo Heavy Ind Ltd | Separable type gearbox and mold for casting split box |
| US20040103964A1 (en) * | 2002-09-09 | 2004-06-03 | Takeyoshi Nakamura | Process for thermally treating light alloy casting |
| JP2006334567A (en) * | 2005-06-06 | 2006-12-14 | Seigu:Kk | Fermentation method |
| CN201147825Y (en) * | 2008-01-31 | 2008-11-12 | 宁波合力模具科技股份有限公司 | Pouring channel structure of automobile gearbox main casing cast die |
| CN201632623U (en) * | 2010-04-16 | 2010-11-17 | 共立精机(大连)有限公司 | Pressure-casting mold of speed changer shell |
| CN102052450A (en) * | 2010-10-27 | 2011-05-11 | 天津市奥亚机电有限公司 | Technology for casting transfer case casing of concrete pump truck through aluminum alloy |
| CN102764873A (en) * | 2011-05-03 | 2012-11-07 | 远轻铝业（中国）有限公司 | Low-pressure casting process for turbocharger compressor casing |
| CN102363211A (en) * | 2011-10-10 | 2012-02-29 | 陈伟军 | Extrusion casting method for aluminum alloy automobile speed changing box shell |
| CN102605206A (en) * | 2012-03-29 | 2012-07-25 | 天津千鑫有色金属制品有限公司 | Aluminium alloy casting manufacturing process |
| CN202701344U (en) * | 2012-08-03 | 2013-01-30 | 共立精机(大连)有限公司 | Die-casting die of tank cover |
Non-Patent Citations (1)
| Title |
|---|
| 吕建强: "变速箱壳体铸造设工艺设计", 《金属铸锻焊技术》, vol. 137, no. 17, 15 September 2008 (2008-09-15), pages 148 - 150 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695311A (en) * | 2019-08-28 | 2020-01-17 | 贵州大学 | Casting process of gearbox shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103231013B (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201677021U (en) | Low-pressure casting hub die | |
| CN108543914A (en) | A kind of high pressure hub casting mould and its casting method | |
| CN202398784U (en) | Cast sand mould | |
| CN201455235U (en) | Water-cooling mechanism | |
| CN202639227U (en) | Automobile brake caliper casing pouring system on vertical parting molding line | |
| CN207272100U (en) | A kind of metal mold for improving casting homogeneity | |
| CN106890978B (en) | One mould two pieces low pressure casting die of hybrid power engine cylinder cap and its casting method | |
| CN105665650A (en) | Precoated sand mold for casting stainless steel thin-walled workpiece | |
| CN103056306A (en) | Method for casting bearing seat | |
| CN103231013A (en) | Transmission housing pouring method and sand casting mould used in transmission housing pouring method | |
| CN104174817B (en) | A kind of ocean platform climb casting and the Technology for Heating Processing of machine Connection Block | |
| CN102756080A (en) | Casting process of diesel engine bearing seat | |
| CN203018706U (en) | Casting device of zinc alloy ingot | |
| CN202591551U (en) | Pouring gate structure for casting retaining plate of injection molding machine | |
| CN202144104U (en) | Injection mould | |
| CN207105540U (en) | Spiral retinue cooling water channel structure | |
| CN201997688U (en) | Runner structure for kirsite pressure casing mould | |
| CN204171285U (en) | A kind of aero-engine aluminum alloy baffle plate metal type cast system | |
| CN105499493A (en) | Casting technology for preventing shrinkage and porosity | |
| CN219852007U (en) | Detachable casting pouring device | |
| CN204685960U (en) | A kind of shrinkproof loose structure for aluminium alloy row oil pipe casting mold | |
| CN220329937U (en) | Loose piece subassembly that cooling was used | |
| CN217095571U (en) | Low-cost technology production processingequipment | |
| CN203917814U (en) | A kind of dead head structure of aluminium alloy water inlet pipe | |
| CN208083414U (en) | A kind of die casting with aluminium loose piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 358 Xigu road Xiangshan Industrial Park Ningbo Zhejiang 315700 Patentee after: Ningbo Heli Technology Co.,Ltd. Address before: 315700 No. 358, Xigu Road, Xiangshan Xizhou Industrial Park, Ningbo, Zhejiang Patentee before: NINGBO HELI MOULD TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |