CN205967308U - Lost pattern casting special shape mo(u)lding box disappears with six air chambers - Google Patents
Lost pattern casting special shape mo(u)lding box disappears with six air chambers Download PDFInfo
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- CN205967308U CN205967308U CN201620975025.8U CN201620975025U CN205967308U CN 205967308 U CN205967308 U CN 205967308U CN 201620975025 U CN201620975025 U CN 201620975025U CN 205967308 U CN205967308 U CN 205967308U
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- air chamber
- orifice plate
- plate
- sandbox
- upper cover
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Abstract
The utility model relates to a lost pattern casting special shape mo(u)lding box disappears with six air chambers, its structure includes the sand box body, is equipped with the bottom air chamber in the bottom of sand box body, is equipped with the lateral part air chamber on four lateral walls of sand box body respectively, is provided with mobilizable top aspirating chamber at the top of sand box body, forms six air chambers from this, the top aspirating chamber includes frame, upper cover plate, orifice plate, clamp plate and sets up the screen cloth between orifice plate and clamp plate, form airflow channel between upper cover plate and the orifice plate, be equipped with the top exhaust tube on the upper cover plate, exhaust tube and airflow channel intercommunication corresponds on upper cover plate and orifice plate and has seted up the pouring basin hole, has seted up a plurality of gas pockets on orifice plate and clamp plate respectively, and the gas pocket on the clamp plate corresponds from top to bottom with gas pocket on the orifice plate. The utility model discloses can guarantee that the sand box internal vacuum is even, can eliminate the bleb defect to reducible top gas collection, scum riser size has improved the process yield of foundry goods, has effectively prevented the emergence of crush problem.
Description
Technical field
This utility model is related to a kind of lost foam casting sandbox, specifically a kind of disappearance molding being provided with hexahedro air chamber
Make special shape mo(u)lding box.
Background technology
The air suction mode of existing lost foam casting sandbox generally has two kinds, and one kind is bottom pumping type, and another kind is side-extract type, this
Both of which is with sealing film, the top of sandbox casing to be sealed.
There is vacuum gradient in vertical direction, apart from sandbox bottom more remote gas more hard-pumped, especially in bottom pumping type casting sandbox
After casting metals liquid, the gas of evaporative pattern gasification often concentrates on the top half of die cavity or sandbox, in many cases, pumping
The gas of generation all can not be taken away by system in time, so that foundry goods forms gas hole defect.Drawbacks described above to be eliminated is it is necessary in casting
The top of part model arranges larger gas collection, scum riser, and this greatly reduces gradual yield rate, and causes the wave of material
Take, and, relatively low vacuum state also easily causes sandbox top half crush.
Side-extract type casting sandbox is substantially the same with bottom pumping type casting model powder box structure, and except for the difference that the aspirating chamber of sandbox is located at sand
The side of case, although this mode improves the vacuum state of sandbox top half to a certain extent, but still difficult to reach is
Good state.
In addition, whether bottom pumping type casts sandbox or side-extract type casting sandbox, often cast and be once accomplished by plastics
Thin film, plastic sheeting is easily burnt by molten metal, causes sandbox gas leakage and crush, meanwhile, also increases production cost, causes environment
Pollution.
Utility model content
The purpose of this utility model is exactly to provide a kind of lost foam casting special shape mo(u)lding box being provided with hexahedro air chamber, existing to solve
Have that vacuum in lost foam casting sandbox case is uneven, foundry goods has pore and the problem of easy crush.
This utility model is realized in：A kind of lost foam casting special shape mo(u)lding box being provided with hexahedro air chamber, including sandbox
Body, is provided with bottom air plenum in the bottom of described sandbox body, is respectively equipped with sidepiece on four side walls of described sandbox body
Air chamber, is provided with moveable top aspirating chamber at the top of described sandbox body, is consequently formed hexahedro air chamber；Described top is taken out
Air chamber includes frame, the upper cover plate being arranged on frame top, is arranged on the orifice plate of frame bottom, is arranged on pressing plate below orifice plate
And it is arranged on the screen cloth between orifice plate and pressing plate；Form gas channel, on described between described upper cover plate and described orifice plate
Cover plate is provided with top exhaust tube, and described exhaust tube is connected with described gas channel, opens described upper cover plate is corresponding with orifice plate
It is provided with cast gate cup aperture, the pore on some pores, and described pressing plate and institute are offered respectively on described orifice plate and described pressing plate
The pore stated on orifice plate corresponds to up and down.
It is provided with corner air chamber in the knuckle portion of described sandbox body, described corner air chamber, described sidepiece air chamber and described
Bottom air plenum is connected, and is provided with sidepiece exhaust tube in the side of described bottom air plenum.
Two relative side walls of described sandbox body are respectively equipped with hanger, set outside the side wall of described sandbox body
It is equipped with flange.
It is provided with cup in described cup in the hole.
When burying case moulding, first in the casing of sandbox, add bed load, the EPS handling well mould is put into wherein, reinstalls type
Sand, equal with the tip platform of corner air chamber after molding sand ram-jolt, then top aspirating chamber is attached to four corner gas in sandbox
The top of room, by the apical support top aspirating chamber of corner air chamber, installs cup, adds above the upper cover plate of top aspirating chamber
Full molding sand, during casting, is evacuated to top exhaust tube and sidepiece exhaust tube simultaneously, equal to ensure the vacuum within sandbox
Even.
This utility model can ensure that sandbox internal vacuum uniformly, can eliminate bleb defect, and can reduce top collection
Gas, scum riser size, improve the product yield of foundry goods；The gasification product of EPS can be extracted out by this utility model in time, has
Effect prevents the generation of crush problem；Top of the present utility model aspirating chamber can life-time service, and the molten metal that will not be splashed burns
Wear, more more environmentally friendly than using plastic sheeting, do not form waste, effectively reduce cost.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is semi-cutaway of the present utility model.
Fig. 3 is the profile of top aspirating chamber.
In figure：1st, sandbox body, 2, top aspirating chamber, 3, bottom air plenum, 4, sidepiece air chamber, 5, flange, 6, hanger, 7, angle
Portion's air chamber, 8, sidepiece exhaust tube, 9, frame, 10, upper cover plate, 11, orifice plate, 12, screen cloth, 13, pressing plate, 14, top exhaust tube,
15th, cast gate cup aperture.
Specific embodiment
As shown in Fig. 1 ~ Fig. 3, this utility model includes sandbox body 1 and packaged type top aspirating chamber 2.
Sandbox body 1 is the cube structure of open top, is provided with bottom air plenum 3 in the bottom of sandbox body 1, in bottom
The side of air chamber 3 is provided with sidepiece exhaust tube 8.Sidepiece air chamber 4 is respectively equipped with four walls of sandbox body 1, sidepiece air chamber 4 is horizontal
To the middle part being arranged on sandbox body 1 side wall, therefore it is called waist air chamber again, a circle method is provided with the side wall of sandbox body 1
Blue 5, two relative side walls are respectively equipped with hanger 6.It is respectively equipped with corner air chamber 7 in four corners of sandbox body 1,
Corner air chamber 7 is in vertical bar shape, and the top surface flush of four corner air chambers 7.Corner air chamber 7 and flange 5 are by waist air chamber and bottom
Portion's air chamber 3 is connected, and makes waist air chamber, corner air chamber 7 and bottom air plenum 3 form the gas flow channel of insertion, thus by gas
Body converges at sidepiece exhaust tube 8, and sidepiece exhaust tube 8 is connected with vacuum pump set, is evacuated at sidepiece exhaust tube 8, protects
The vacuum of card sandbox bottom.
Packaged type top aspirating chamber 2 is the independent aspirating chamber with sandbox body 1, is embedded in sandbox body during use
In 1, supported by the top surface of four corner air chambers 7, collectively form hexahedro air chamber with bottom air plenum 3 and four sidepiece air chambers 4.Top
Aspirating chamber 2 includes square frame 9, the upper cover plate 10 being arranged on square frame 9 top, is arranged on the orifice plate of square frame 9 bottom
11st, it is arranged on the pressing plate 13 of orifice plate 11 lower section and be folded in the screen cloth 12 between orifice plate 11 and pressing plate 13.Square frame 9, on
Cover plate 10 and orifice plate 11 surround gas channel jointly, form top air plenum, are provided with top and take out on the upper face of upper cover plate 10
Trachea 14, the bottom of top exhaust tube 14 is connected with gas channel, and its top is connected with vacuum pump set, in top exhaust tube 14
It is evacuated it is ensured that the vacuum on sandbox top.On upper cover plate 10 and orifice plate, correspondence offers cast gate cup aperture 15, for placing
Cup, is sealed with quartz sand waterglass mixture between the plate body of cup and upper cover plate 10, with anti-gas-leak, simultaneously
Upper cover plate 10 can be avoided by the liquid metal scaling loss of high temperature.Pressing plate 13 with orifice plate 11 offer some pores respectively, and presses
Pore on plate 13 is corresponding up and down with the pore on orifice plate 11, enters the passage of top air plenum as gas in case.Screen cloth 12 is
Double-layer screen, is folded between orifice plate 11 and pressing plate 13, for filtering dry sand, prevents dry sand suction vacuum machine during evacuation
In.
When carrying out burying case moulding, top aspirating chamber 2 is taken out in sandbox, sandbox is in opening, now can be to
Bed load, EPS mould, molding sand etc. is added in case；Bury after case finishes, top aspirating chamber 2 is buckled in the top of sandbox, sandbox is in closure
State, after installing cup, you can is cast in this case.
This utility model is respectively provided with air chamber in the bottom of sandbox casing, top and sidepiece, forms the structure of hexahedro air chamber,
Ensure that the vacuum of box house during pumping is uniform.
Claims (4)
1. a kind of lost foam casting special shape mo(u)lding box being provided with hexahedro air chamber, including sandbox body, in the bottom of described sandbox body
It is provided with bottom air plenum, four side walls of described sandbox body is respectively equipped with sidepiece air chamber, it is characterized in that, in described sandbox originally
The top of body is provided with moveable top aspirating chamber, is consequently formed hexahedro air chamber；Described top aspirating chamber includes frame, setting
Upper cover plate at frame top, be arranged on frame bottom orifice plate, be arranged on the pressing plate below orifice plate and be arranged on orifice plate and
Screen cloth between pressing plate；Form gas channel between described upper cover plate and described orifice plate, described upper cover plate is provided with top and takes out
Trachea, described exhaust tube is connected with described gas channel, offers cast gate cup aperture described upper cover plate is corresponding with orifice plate, in institute
The pore offering respectively on some pores, and described pressing plate is stated on orifice plate and described pressing plate upper and lower with the pore on described orifice plate
Corresponding.
2. the lost foam casting special shape mo(u)lding box being provided with hexahedro air chamber according to claim 1, is characterized in that, in described sandbox
The knuckle portion of body is provided with corner air chamber, and described corner air chamber, described sidepiece air chamber and described bottom air plenum are connected, in institute
The side stating bottom air plenum is provided with sidepiece exhaust tube.
3. the lost foam casting special shape mo(u)lding box being provided with hexahedro air chamber according to claim 1, is characterized in that, in described sandbox
It is respectively equipped with hanger on two relative side walls of body, outside the side wall of described sandbox body, be provided with flange.
4. the lost foam casting special shape mo(u)lding box being provided with hexahedro air chamber according to claim 1, is characterized in that, in described cast gate
It is provided with cup in cup aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975025.8U CN205967308U (en) | 2016-08-30 | 2016-08-30 | Lost pattern casting special shape mo(u)lding box disappears with six air chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975025.8U CN205967308U (en) | 2016-08-30 | 2016-08-30 | Lost pattern casting special shape mo(u)lding box disappears with six air chambers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205967308U true CN205967308U (en) | 2017-02-22 |
Family
ID=58037457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620975025.8U Expired - Fee Related CN205967308U (en) | 2016-08-30 | 2016-08-30 | Lost pattern casting special shape mo(u)lding box disappears with six air chambers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205967308U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108160953A (en) * | 2018-03-19 | 2018-06-15 | 江西亿丰精密铸造有限公司 | A kind of lost foam casting sandbox |
| CN108481523A (en) * | 2018-05-21 | 2018-09-04 | 都江堰瑞泰科技有限公司 | AZS- checkers bricks die, process units and production technology |
| CN108971440A (en) * | 2018-08-20 | 2018-12-11 | 黟县新达机械铸造有限公司 | A kind of lost foam casting sandbox |
| CN110405145A (en) * | 2019-08-30 | 2019-11-05 | 重庆钢铁(集团)有限责任公司 | Dispellable mould casting slow cooling sandbox |
| CN112676541A (en) * | 2020-12-27 | 2021-04-20 | 林旺开 | Lost foam precision composite casting equipment |
| CN113042709A (en) * | 2021-03-09 | 2021-06-29 | 滁州金诺实业有限公司 | V-method sand burying mechanism for sand mold low-pressure casting of ultra-large aluminum alloy casting |
| CN117047050A (en) * | 2023-10-09 | 2023-11-14 | 陇东学院 | Casting sand box based on 3DP sand mold and metal casting method |
-
2016
- 2016-08-30 CN CN201620975025.8U patent/CN205967308U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108160953A (en) * | 2018-03-19 | 2018-06-15 | 江西亿丰精密铸造有限公司 | A kind of lost foam casting sandbox |
| CN108481523A (en) * | 2018-05-21 | 2018-09-04 | 都江堰瑞泰科技有限公司 | AZS- checkers bricks die, process units and production technology |
| CN108481523B (en) * | 2018-05-21 | 2023-10-31 | 都江堰瑞泰科技有限公司 | AZS-grid brick mold, production device and production process |
| CN108971440A (en) * | 2018-08-20 | 2018-12-11 | 黟县新达机械铸造有限公司 | A kind of lost foam casting sandbox |
| CN110405145A (en) * | 2019-08-30 | 2019-11-05 | 重庆钢铁(集团)有限责任公司 | Dispellable mould casting slow cooling sandbox |
| CN112676541A (en) * | 2020-12-27 | 2021-04-20 | 林旺开 | Lost foam precision composite casting equipment |
| CN113042709A (en) * | 2021-03-09 | 2021-06-29 | 滁州金诺实业有限公司 | V-method sand burying mechanism for sand mold low-pressure casting of ultra-large aluminum alloy casting |
| CN117047050A (en) * | 2023-10-09 | 2023-11-14 | 陇东学院 | Casting sand box based on 3DP sand mold and metal casting method |
| CN117047050B (en) * | 2023-10-09 | 2023-12-29 | 陇东学院 | Casting sand box based on 3DP sand mold and metal casting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20210830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |