CN208895114U - Casting mold is used in the casting of aluminium alloy engine shell - Google Patents
Casting mold is used in the casting of aluminium alloy engine shell Download PDFInfo
- Publication number
- CN208895114U CN208895114U CN201821418176.9U CN201821418176U CN208895114U CN 208895114 U CN208895114 U CN 208895114U CN 201821418176 U CN201821418176 U CN 201821418176U CN 208895114 U CN208895114 U CN 208895114U
- Authority
- CN
- China
- Prior art keywords
- type core
- shell
- sealing plate
- copper tube
- motor body
- 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
Links
- 238000005266 casting Methods 0.000 title claims abstract description 42
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 105
- 229910052802 copper Inorganic materials 0.000 claims abstract description 105
- 239000010949 copper Substances 0.000 claims abstract description 105
- 239000004576 sand Substances 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 238000005192 partition Methods 0.000 claims abstract description 21
- 238000005476 soldering Methods 0.000 claims abstract description 4
- 230000037237 body shape Effects 0.000 claims abstract description 3
- 244000035744 Hura crepitans Species 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 43
- 238000005516 engineering process Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a kind of aluminium alloy engine shell casting casting molds, the type chamber of sand mold matches with the outer wall shape of motor body, type core is equipped in sand mold, the shell wall running channel and shell fin running channel to match with motor body shape is equipped between the outer wall of type core and the cavity wall of sand mold, core package includes type core one, type core two and type core three, is equipped with the internal partition running channel coincideing with motor body internal partition shape between the opposite outer wall of various core；The copper tube to match with motor body oil duct shape is installed in shell fin running channel, the inner cavity of copper tube is filled with precoated sand, the upper port of copper tube is closed by copper pipe upper sealing plate, the lower port of copper tube is closed by sealing plate under copper pipe, sealing plate passes through soldering respectively and is connected with the nozzle of copper tube under copper pipe upper sealing plate and copper pipe, sealing plate is in the sand mold of drag box under copper pipe, and copper pipe upper sealing plate is in type core.The casting mold can cast the aluminium alloy engine shell and high yield rate of the oil duct containing small-bore.
Description
Technical field
The utility model relates to a kind of sand casting type core, in particular to a kind of aluminium alloy engine shell casting casting
Type belongs to metal casting technique field.
Background technique
Type core is in casting to form the internal cavities of casting, the core sand being usually made by sand grains and binder, in core
Craft or machine (such as core blower, core shooter) are made in box.Type core generally needs drying, before casting device in casting mold,
After molten metal pours into condensation, it is removed when shaking out, cavity can be formed in casting.
The structure of casting is ever-changing, with the development of science and technology being increasingly intended to combine to the structural requirement of product
Property, integration, especially motor body class, the medium-sized chamber of shell casting is more, and oil duct, the diameter of oil duct are equipped in housing wall
Diversity is had more with shape need.
The material of common sand core has the materials such as quartz sand, precoated sand, resin sand or red sand, but intensity and toughness cannot be simultaneous
It cares for；The lesser oil circuit of diameter in motor body is encountered, the production sand core of the above material cannot be used, because of the hardness of sand itself
With the limitation of toughness.Sand core hardness is really up to the mark, then sand removal is difficult after casting, and hardness is too low, and sand core is difficult to form.Oilhole
Surface smoothness need to guarantee that cost is very high by specific coating.Encounter low pressure or compression casting, in the case where suppressing, sand core
Intensity itself cannot resist, and formation is defeated and dispersed, so that being formed and being blocked up in fact, then generate waste product in aluminium alloy access aperture.
Utility model content
The purpose of this utility model is that overcoming problems of the prior art, a kind of aluminum alloy engine casing is provided
Body casting casting mold, the aluminium alloy engine shell for the oil duct containing small-bore that can cast, and high yield rate.
In order to solve the above technical problems, a kind of aluminium alloy engine shell the casting casting mold, including sand of the utility model
The inner cavity of case, the sandbox is equipped with sand mold, and the type chamber of the sand mold matches with the outer wall shape of motor body, the sand mold
Type chamber in be equipped with type core, the shape of the type core matches with the shell chamber shape of motor body, and the sandbox includes successively
The divisional plane of stacked drag box, cheek and cope, drag box and cheek and the shell method of motor body lower port
Blue lower end surface is concordant, and the divisional plane of cheek and cope is concordant with the top of the type core；The outer wall of the type core and institute
State the shell wall running channel and shell fin running channel for being equipped between the cavity wall of sand mold and matching with motor body shape, the type core
Including type core one, type core two and type core three, it is equipped between the type core one, type core two and the opposite outer wall of type core three and engine
The identical internal partition running channel of shell internal partition shape；It is equipped in the shell fin running channel and motor body oil duct shape phase
Identical copper tube, the inner cavity of the copper tube are filled with precoated sand, and the upper port of the copper tube is closed by copper pipe upper sealing plate,
The lower port of the copper tube is closed by sealing plate under copper pipe, and sealing plate passes through soldering and purple respectively under the copper pipe upper sealing plate and copper pipe
The nozzle of copper pipe is connected, and sealing plate is in the sand mold of drag box under the copper pipe, and the copper pipe upper sealing plate is in type core.
Compared with the existing technology, the utility model achieves following the utility model has the advantages that core body is located in cheek, reduces
The moulding difficulty of sand mold is convenient for molding；Shell wall running channel and shell between aluminum alloy melt inflow type outer core and sand mold cavity wall
Fin running channel forms the shell fin of the shell and attachment of motor body on the shell after cooling；Aluminum alloy melt inflow type
Core one, type core two and type core three-phase form shell internal partition after cooling to the internal partition running channel between outer wall.Copper tube is passed through
Oil duct shape of the Mold Making at needs, copper tube lumen loading precoated sand prevent from producing in casting to improve the intensity of copper tube
Change shape, the sand removal after being also convenient for casting.In the sand mold of drag box, copper pipe upper sealing plate is embedded in type core just sealing plate under copper pipe
In accurately fixing copper tube, prevent copper tube from glancing off.After aluminum alloy melt is poured and cools down, just form in shell fin
In be embedded with copper tube, by copper tube precoated sand remove after, soak motor body in dust technology, copper tube corrodes quickly
Finish, forms the oil duct of motor body.And aluminium alloy and reacting for dust technology are faint and slow, are not damaged；So both guaranteed
The quality of aluminium alloy engine shell and small-bore oil duct therein, and saved production cost.
As the improvement of the utility model, the type core one, type core two and type core three are axisymmetricly distributed, the type core one
It matches with the big shell chamber of motor body, the type core two and type core three match with the small shell chamber of motor body；It is described
Type core two and type core three are respectively positioned on the left side of type core one, and are symmetric centered on the transverse axis of type core one, the shell
Internal partition running channel between body fin running channel and type core two and type core three is aligned, and the copper pipe upper sealing plate is embedded in the type core one
Top.Shell fin running channel is symmetric centered on the transverse axis of type core one, and between type core two and type core three
Internal partition running channel alignment, increase thickness herein, be conducive to arrange copper tube, copper tube along shell fin running channel extend and to
The top of the top curved of type core one, type core one positions the fixation of copper pipe upper sealing plate to the upper end of copper tube.
The copper tube includes prolonging straight up along the shell fin running channel as a further improvement of the utility model,
It stretches and to the main copper tube of the top curved of type core one, is connected at least one branch copper tube along the short transverse of main copper tube,
The other end of each branch copper tube is connected with the side wall of type core one respectively.Each branch copper tube is along shell fin running channel and internal partition running channel
Horizontal extension, after corrosion, main copper tube and each branch copper tube form interconnected multiple oil ducts.
The wall thickness of the copper tube is 0.2 ± 0.02mm as a further improvement of the utility model,.Thin cylinder of purple copper pipe with
The intensity that the precoated sand of its inner cavity is formed resists deformation when casting enough, and can be corroded by dust technology in very short time.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments, and attached drawing only provides ginseng
It examines and illustrates to use, it is non-to limit the utility model.
Fig. 1 is the main view that casting mold is used in the casting of the utility model aluminium alloy engine shell.
Fig. 2 be Fig. 1 in along the sectional view of A-A.
Fig. 3 is the perspective view of the medium-sized core of casting mold.
Fig. 4 is cast the perspective view of motor body by the utility model.
Fig. 5 is the partial sectional view of Fig. 4.
Fig. 6 is cast the main view of motor body by the utility model.
Fig. 7 by casting motor body soak nitric acid before cross-sectional view.
In figure: 1. sandboxes；1a. drag box；1b. cheek；1c. cope；2. sand mold；3. type core；3a. type core one；3b.
Type core two；3c. type core three；4a. shell wall running channel；4b. internal partition running channel；4c. shell fin running channel；The main copper tube of 5a.；5b. branch
Copper tube；5c. copper pipe upper sealing plate；5d. sealing plate under copper pipe；6. precoated sand；7. motor body；7a. shell flange；7b. shell
Internal partition；7c. shell fin；7d. oil duct.
Specific embodiment
As shown in Figures 1 to 7, the aluminium alloy engine shell casting casting mold of the utility model includes sandbox 1, sandbox 1
Inner cavity be equipped with sand mold 2, the type chamber of sand mold 2 matches with the outer wall shape of motor body 7, equipped with type in the type chamber of sand mold 2
Core 3, the shape of type core 3 match with the shell chamber shape of motor body 7, and sandbox 1 includes drag box 1a, the middle sand being sequentially stacked
Under the divisional plane of case 1b and cope 1c, drag box 1a and cheek 1b and the shell flange 7a of 7 lower port of motor body
End face is concordant, and the divisional plane of cheek 1b and cope 1c are concordant with the top of type core 3；The outer wall of type core 3 and the type chamber of sand mold 2
The shell wall running channel 4a and shell fin running channel 4c to match with 7 shape of motor body is equipped between wall, type core 3 includes type core one
It is equipped between the opposite outer wall of three 3c of 3a, two 3b of type core and type core three 3c, one 3a of type core, two 3b of type core and type core and engine shell
The identical internal partition running channel 4b of internal partition shape；It is equipped in shell fin running channel 4c and motor body oil duct shape kissing
The copper tube of conjunction, the inner cavity of copper tube are filled with precoated sand 6, and the upper port of copper tube is closed by copper pipe upper sealing plate 5c, copper tube
Lower port closed by sealing plate 5d under copper pipe, sealing plate 5d passes through the pipe of soldering and copper tube respectively under copper pipe upper sealing plate 5c and copper pipe
Mouth is connected, and sealing plate 5d is in the sand mold 2 of drag box 1a under copper pipe, and copper pipe upper sealing plate 5c is in type core 3.
3 main body of type core is located in cheek 1b, reduces the moulding difficulty of sand mold 2, is convenient for molding；Aluminum alloy melt inflow type core
Shell wall running channel 4a and shell fin running channel 4c between 2 cavity wall of 3 outer walls and sand mold form the outer of motor body 7 after cooling
The shell fin 7c of shell and attachment on the shell；One 3a of aluminum alloy melt inflow type core, two 3b of type core and three 3c phase of type core are outside
Internal partition running channel 4b between wall forms shell internal partition 7b after cooling.By copper tube by Mold Making at needs shape,
Copper tube lumen loading precoated sand 6 prevents from being deformed in casting to improve the intensity of copper tube, clear after being also convenient for casting
Sand.Sealing plate 5d is in the sand mold 2 of drag box 1a under copper pipe, and copper pipe upper sealing plate 5c is in type core 3 convenient for copper tube is accurate
It is fixed, prevent copper tube from glancing off.After aluminum alloy melt is poured and cools down, just form in shell fin 7c embedded with red copper
Pipe after removing the precoated sand 6 in copper tube, soaks motor body 7 in 10~20% (wt) dust technologies, copper tube is rotten quickly
Erosion finishes, and forms the oil duct 7d of motor body 7.And aluminium alloy and reacting for dust technology are faint and slow, are not damaged；So
Not only it ensure that the quality of aluminium alloy engine shell 7 and oil duct 7d in small-bore therein, but also saved production cost.
One 3a of type core, two 3b of type core and three 3c of type core are axisymmetricly distributed, the big shell chamber of one 3a of type core and motor body 7
It matches, two 3b of type core and three 3c of type core match with the small shell chamber of motor body 7；Two 3b of type core is respectively positioned on three 3c of type core
The left side of one 3a of type core, and be symmetric centered on the transverse axis of one 3a of type core, shell fin running channel 4c and type core two
Internal partition running channel 4b alignment between three 3c of 3b and type core, copper pipe upper sealing plate 5c are embedded in the top of one 3a of type core.Shell fin pours
Road 4c is symmetric centered on the transverse axis of one 3a of type core, and the internal partition between three 3c of two 3b of type core and type core pours
Road 4b alignment, increases thickness herein, is conducive to arrange that copper tube, copper tube extend along shell fin running channel 4c and to type cores
The top of the top curved of one 3a, one 3a of type core positions copper pipe upper sealing plate 5c fixation to the upper end of copper tube.
Copper tube includes extending straight up along shell fin running channel 4c and the main red copper of the top curved to one 3a of type core
Pipe 5a is connected at least one branch copper tube 5b, the other end difference of each branch copper tube 5b along the short transverse of main copper tube 5a
It is connected with the side wall of one 3a of type core.Each branch copper tube 5b is along shell fin running channel 4c and internal partition running channel 4b horizontal extension, corrosion
Afterwards, main copper tube 5a and each branch copper tube 5b form interconnected multiple oil duct 7d.
The wall thickness of copper tube is 0.2 ± 0.02mm.The intensity that the precoated sand 6 of the inner cavity thin cylinder of purple copper Guan Yuqi is formed is anti-enough
Deformation when casting is refused, and can be corroded by dust technology in very short time.
The foregoing is merely the preferable possible embodiments of the utility model, patent that is non-therefore limiting to the utility model
Protection scope.In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, is all fallen in the protection scope of the requires of the utility model.
Claims (4)
1. a kind of casting of aluminium alloy engine shell casting mold, including sandbox, the inner cavity of the sandbox are equipped with sand mold, the sand mold
Type chamber match with the outer wall shape of motor body, in the type chamber of the sand mold be equipped with type core, the shape of the type core with
The shell chamber shape of motor body matches, it is characterised in that: the sandbox include the drag box being sequentially stacked, cheek and on
The divisional plane of sandbox, drag box and cheek is concordant with the lower end surface of the shell flange of motor body lower port, cheek and
The divisional plane of cope is concordant with the top of the type core；Between the outer wall of the type core and the cavity wall of the sand mold be equipped with
The shell wall running channel and shell fin running channel that motor body shape matches, the core package include type core one, type core two and type core
Three, between the type core one, type core two and the opposite outer wall of type core three be equipped with motor body internal partition shape coincide in
Partition running channel；The copper tube to match with motor body oil duct shape, the red copper are installed in the shell fin running channel
The inner cavity of pipe is filled with precoated sand, and the upper port of the copper tube is closed by copper pipe upper sealing plate, the lower port quilt of the copper tube
Sealing plate is closed under copper pipe, and sealing plate passes through soldering respectively and is connected with the nozzle of copper tube under the copper pipe upper sealing plate and copper pipe, described
Sealing plate is in the sand mold of drag box under copper pipe, and the copper pipe upper sealing plate is in type core.
2. aluminium alloy engine shell casting casting mold according to claim 1, it is characterised in that: the type core one, type
Core two and type core three are axisymmetricly distributed, and the type core one matches with the big shell chamber of motor body, the type core two and type
Core three matches with the small shell chamber of motor body；The type core two is respectively positioned on the left side of type core one with type core three, and with type core
It is symmetric centered on one transverse axis, the internal partition running channel between the shell fin running channel and type core two and type core three
Alignment, the copper pipe upper sealing plate are embedded in the top of the type core one.
3. aluminium alloy engine shell according to claim 1 casting casting mold, it is characterised in that: the copper tube includes
Extend straight up along the shell fin running channel and to the main copper tube of the top curved of type core one, along the height of main copper tube
Direction is connected at least one branch copper tube, and the other end of each branch copper tube is connected with the side wall of type core one respectively.
4. aluminium alloy engine shell casting casting mold according to claim 1 or 2 or 3, it is characterised in that: the red copper
The wall thickness of pipe is 0.2 ± 0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418176.9U CN208895114U (en) | 2018-08-31 | 2018-08-31 | Casting mold is used in the casting of aluminium alloy engine shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418176.9U CN208895114U (en) | 2018-08-31 | 2018-08-31 | Casting mold is used in the casting of aluminium alloy engine shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208895114U true CN208895114U (en) | 2019-05-24 |
Family
ID=66570860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821418176.9U Expired - Fee Related CN208895114U (en) | 2018-08-31 | 2018-08-31 | Casting mold is used in the casting of aluminium alloy engine shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208895114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570657A (en) * | 2020-11-25 | 2021-03-30 | 共享装备股份有限公司 | Oil pipe sand core of air inlet cylinder |
-
2018
- 2018-08-31 CN CN201821418176.9U patent/CN208895114U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570657A (en) * | 2020-11-25 | 2021-03-30 | 共享装备股份有限公司 | Oil pipe sand core of air inlet cylinder |
| CN112570657B (en) * | 2020-11-25 | 2022-09-06 | 共享装备股份有限公司 | Oil pipe sand core of air inlet cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Casting mold for aluminum alloy engine housing Effective date of registration: 20220519 Granted publication date: 20190524 Pledgee: Jiangsu Yangzhou Rural Commercial Bank Co.,Ltd. Fangxiang sub branch Pledgor: YANGZHOU FENGMING PHOTOELECTRIC NEW MATERIAL Co.,Ltd. Registration number: Y2022980005803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 |