CN104759605A - Side-sucking vacuum casting die adjustable in suction force - Google Patents
Side-sucking vacuum casting die adjustable in suction force Download PDFInfo
- Publication number
- CN104759605A CN104759605A CN201510216006.7A CN201510216006A CN104759605A CN 104759605 A CN104759605 A CN 104759605A CN 201510216006 A CN201510216006 A CN 201510216006A CN 104759605 A CN104759605 A CN 104759605A
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- China
- Prior art keywords
- die
- mold
- runner
- mould
- side draught
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention relates to a side-sucking vacuum casting die adjustable in suction force. The side-sucking vacuum casting die adjustable in suction force comprises an upper die, a flow pass, a middle die, an inner die, a lower die and a base, wherein the lower die is provided with two vacuum channels with arc-shaped cross sections. The middle die comprises a recess, a protrusion and an inner cavity for the inner die to be assembled, wherein the recess and the protrusion are matched with the flow pass in size. The upper portion of the inner die is cylindrical, the lower portion of the inner die is an entity provided with two arc-shaped protrusions evenly distributed on the periphery. An adjustable-replaceable cooling gasket is arranged in the cavity of the inner die. When the casting die is used for producing different castings, only one or more of the upper die, the flow pass, the inner die and the cooling gasket are needed to be replaced, the production effect can be achieved without opening of the whole die, time, labors and materials are saved, and cost is greatly reduced.
Description
Technical field
The present invention relates to vacuum pressing and casting technical field, especially relate to a kind of suction adjustable side draught vacuum pressing and casting mould.
Background technology
Vacuum sealed molding technology is formed at 20 century 70s, be born vacuum casting process afterwards on this basis, this technique is widely applied in the quick cast of complex thin-wall component, decrease the pore in foundry goods while improving metal casting cavity filling energy, improve the comprehensive mechanical property of foundry goods.
Precision-investment casting can produce precision, complicated part, after part forming, only needs a small amount of processing or does not reprocess, just can be used as mechanical component, is the liquid metal forming technology of an excellent near-net-shape.It is not only applicable to the casting of the multiple alloy of polytype, and can produce complex-shaped, high temperature resistant, dimensional accuracy and surface quality requirements is higher, be not easy to the foundry goods processed.
Vacuum fusible pattern hot investment casting combines the advantage of vacuum sealed molding technology and melted module precise casting technology, precision, complexity, high-quality can be produced, only need process on a small quantity or do not reprocess the part that just can directly use, be suitable for batch production, have broad application prospects.
What the domestic and international research to vacuum fusible pattern hot investment casting at present mainly concentrated on metal liquid fills type steadily and the aspect such as the cooling velocity of filling velocity and foundry goods.Casting mould is used to the important process equipment manufacturing fusible pattern.Vacuum pressing and casting mould should guarantee that molten metal is steadily full of again casting mold, the homogeneous distribution of foundry goods fast, and the convenient cooling velocity regulating filling velocity and foundry goods.In addition, in actual production, often producing a kind of product all needs out one set of die, take time and effort, and cost is higher.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of suction adjustable side draught vacuum pressing and casting mould is provided, can not only guarantee that metal liquid fills that type is stable, the homogeneous distribution of foundry goods, and the convenient cooling velocity regulating filling velocity and foundry goods.When producing different foundry goods, what only need replace with in mould, runner, inner mold and cooling pad is one or more, without the need to opening whole set of die, improve mould utilization factor, reducing production cost.
Object of the present invention can be achieved through the following technical solutions:
A kind of suction adjustable side draught vacuum pressing and casting mould, comprises pedestal, is connected on pedestal, connect successively from top to bottom, the die assembly that the mutually through mold in middle part, middle mould, bed die are formed,
The valve be connected with vavuum pump is provided with outside described pedestal,
Described mold inner chamber top is a cylindrical heavy stand, and for putting metal liquid temporarily, middle part is up big and down small conical structure, and bottom is cylindrical structural,
Runner and inner mold is embedded with in described middle mould, the connection side of middle mould and mold is provided with depression that channel size matches with protruding, inner mold is embedded with in the inner chamber of middle mould, and can need to change inner mold according to foundry goods, in described bed die, offer two arc section vacuum passages.
Preferably, the arc section vacuum passage that the arc section vacuum passage that the top of inner mold and middle mould are formed is aligned in bed die is arranged, and below runner, symmetrical distribution centered by runner, forms side draught structure.
Preferably, inner mold is columnar structured, and the uniform two sections of arc convex in periphery of bottom, match with the arc section vacuum passage of two in bed die.Like this, by rotating inner mold, what utilize arc convex to change arc section vacuum passage and middle dies cavity is communicated with area, just can regulate the closure of vacuum passage, and then regulate suction size suffered by runner inner metal liquid body, finally have adjusted the flowing velocity of metal liquid.
Preferably, the die cavity of inner mold is provided with interchangeable cooling pad, can be regulated the cooling velocity of foundry goods by the cooling pad changing unlike material in inner mold die cavity, sequence of crystallization, quantity and crystal shape when affecting molten metal solidification and crystallization, crystal grain thinning, finally improves casting quality.
Preferably, the projection of runner and the depression of middle mould adopt larger matched in clearance, and the depression of runner and the projection of middle mould adopt excessive or less matched in clearance.
Preferably, mold, middle mould, bed die and inner mold connect and compose through screw by symmetrical two parts.
Preferably, the internal diameter of mold and runner is replaced according to using the difference of specification, such as, the internal diameter D of mold and runner all has 3,5,10,15 4 kind of specification, and need equivalent specifications to support the use.
Compared with prior art, the present invention is at casting mould, when producing different foundry goods, what only need replace with in mould, runner, inner mold and cooling pad is one or more, without the need to opening whole set of die, production effect can be reached, time saving and energy saving province material, greatly reduce production cost, also there is following advantages simultaneously:
(1) what the pyramid type structure of mold added metal liquid fills type stability; Change the filling velocity of all adjustable metal liquid of closure of the mold of different size and runner, adjustment vacuum passage, specifically, the closure of vacuum passage can be regulated by rotating inner mold, change vacuum, and then regulate suction size suffered by runner inner metal liquid body, finally have adjusted the flowing velocity of metal liquid;
(2) the side draught structure that formed of arc section vacuum passage and runner is not only convenient regulates the filling velocity of metal liquid but also makes metal liquid be uniformly distributed in inner mold die cavity, specifically, the arc section vacuum passage that the arc section vacuum passage formed by inner mold top and middle mould is aligned in bed die is arranged, and below runner, symmetrical distribution centered by runner, form side draught, while coutroi velocity, make again metal liquid be distributed in inner mold die cavity more uniformly;
(3) the cooling pad changing unlike material in inner mold die cavity can regulate the cooling velocity of foundry goods;
(4) mold and runner detachably may be combined with, and are convenient to clean the metal liquid solidified in runner.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of mold;
Fig. 3 is the structural representation of runner;
Fig. 4 is the structural representation of middle mould;
Fig. 5 is the structural representation of inner mold;
Fig. 6 is the structural representation of bed die.
In figure: 11 be mold, 12 be runner, 13 be middle mould, 14 be inner mold, 15 be bed die, 16 be pedestal, 17 for cooling pad, 21 be mold top, 22 in the middle part of mold, 23 be mold bottom, 24 be mold left part, 25 be mold right part, 31 for protruding, 32 be depression, 33 be endoporus, 41 be depression, 42 for protruding, 43 be inner chamber, 51 be inner mold die cavity, 52 be inner mold bottom, 53 be internal mold top, 61 for arc section vacuum passage.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of suction adjustable side draught vacuum pressing and casting mould, as shown in Figure 1, part constituent components as shown in figures 2-6 for its structure.Casting mould in the present embodiment, comprise mold 11, runner 12, middle mould 13, inner mold 14, bed die 15 and pedestal 16, be provided with the valve be connected with vavuum pump outside pedestal 16, bed die 15 has two arc section vacuum passages 61, and arc range can be 45 ° ~ 135 °.Middle mould 13 comprises the depression 41 and projection 42 and the inner chamber 43 that can assemble inner mold 14 that match with runner 12 size, runner 12 inside is cylindrical structural, the die cavity 52 of inner mold 14 is provided with cooling pad 17, mold 11 inner chamber top 21 is a cylindrical heavy stand, for putting metal liquid temporarily, middle part 22 adopts up big and down small conical structure, and bottom 23 is cylindrical structural.
The projection 31 of runner 12 adopts larger matched in clearance with the depression 41 of middle mould 13, for convenience detach.The depression 32 of runner 12 adopts excessive or less matched in clearance with the projection 42 of middle mould 13, ensures the fastness of assembling, offers endoporus 33 in depression 32.
Inner mold 14 top is cylindrical shape, and peripheral uniform the entity of two sections of arc convex in inner mold bottom 52, matches with arc section vacuum passage 61.Rotate inner mold 14, what utilize arc convex to change arc section vacuum passage 61 and middle dies cavity is communicated with area, can regulate the closure of vacuum passage, change vacuum, and then regulate suction size suffered by runner inner metal liquid body, finally have adjusted the flowing velocity of metal liquid.
Inner mold 14 is connected by screw on middle mould, adjusts unscrew to rotate or to take out inner mold 14.Inner mold 14 is connected by screw by left and right two parts and forms, and facilitates molding.
The inner chamber on mold top 21 is a cylindrical heavy stand, and for putting metal liquid temporarily, in the middle part of mold, 22 adopt up big and down small conical structure, and what pyramid type structure added metal liquid fills type stability, and mold bottom 23 is cylindrical structural.
Mold to be centrosymmetric by pin and screw by mold left part 24, mold right part 25 two parts and to be formed by connecting, and mold and runner detachably may be combined with, and is all convenient to clean the metal liquid that inwall solidifies.
The arc section vacuum passage 61 that the arc section vacuum passage formed by inner mold top 53 and middle mould is aligned in bed die is arranged, and below runner, symmetrical distribution centered by runner, form side draught, while coutroi velocity, make again metal liquid be distributed in more uniformly in inner mold die cavity.
The cooling pad 17 changing unlike material in inner mold die cavity 51 can regulate the cooling velocity of foundry goods, and sequence of crystallization, quantity and crystal shape when affecting molten metal solidification and crystallization, crystal grain thinning, finally improves casting quality.
The internal diameter D of mold and runner all has 3,5,10,15 4 kind of specification, and need equivalent specifications to support the use.Select the mold of different size and runner and inner mold, the needs of multiple foundry goods can be met, improve mould utilization factor.
By reference to the accompanying drawings detailed elaboration is carried out to embodiments of the invention above; its object is to allow person skilled in the art understand content of the present invention and to be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (8)
1. suction adjustable side draught vacuum pressing and casting mould, is characterized in that,
Comprise pedestal (16), be connected on pedestal (16), connect successively from top to bottom, the die assembly that the mutually through mold (11) in middle part, middle mould (13), bed die (15) are formed,
Described pedestal (16) outside is provided with the valve be connected with vavuum pump,
Described mold (11) inner chamber top (21) is a cylindrical heavy stand, and middle part (22) are up big and down small conical structure, and bottom (23) are cylindrical structural,
Runner (12) and inner mold (14) is embedded with in described middle mould (13), the connection side of middle mould (13) and mold (11) is provided with the depression (41) and protruding (42) that runner (12) size matches, inner mold (14) is embedded with in the inner chamber (43) of middle mould (13)
Two arc section vacuum passages (61) are offered in described bed die (15).
2. a kind of suction according to claim 1 adjustable side draught vacuum pressing and casting mould, it is characterized in that, the arc section vacuum passage that the arc section vacuum passage that the top of described inner mold (14) and middle mould (13) are formed is aligned in bed die (15) is arranged, and in runner (12) below, symmetrical distribution centered by runner (12), forms side draught structure.
3. a kind of suction according to claim 1 adjustable side draught vacuum pressing and casting mould, it is characterized in that, described inner mold (14) is for columnar structured, the uniform two sections of arc convex in periphery of bottom, match with two arc section vacuum passages (61) in bed die (15).
4. a kind of suction according to claim 3 adjustable side draught vacuum pressing and casting mould, it is characterized in that, described inner mold (14) is rotatable structure, utilize arc convex change arc section vacuum passage (61) with middle mould (13) inner chamber be communicated with area.
5. a kind of suction according to claim 1 adjustable side draught vacuum pressing and casting mould, is characterized in that, the die cavity (51) of described inner mold (14) is provided with interchangeable cooling pad (17).
6. a kind of suction according to claim 1 adjustable side draught vacuum pressing and casting mould, it is characterized in that, the projection (31) of described runner (12) and the depression (41) of middle mould (13) adopt larger matched in clearance, and the depression (32) of runner (12) and the projection (42) of middle mould (13) adopt excessive or less matched in clearance.
7. a kind of suction adjustable side draught vacuum pressing and casting mould according to any one of claim 1-6, it is characterized in that, described mold (11), middle mould (13), bed die (15) and inner mold (14) connect and compose through screw by symmetrical two parts.
8. a kind of suction adjustable side draught vacuum pressing and casting mould according to any one of claim 1-6, is characterized in that, described mold (11) and the internal diameter of runner (12) are replaced according to using the difference of specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216006.7A CN104759605B (en) | 2015-04-29 | 2015-04-29 | Inhale vacuum pressing and casting mould in a kind of adjustable side of suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216006.7A CN104759605B (en) | 2015-04-29 | 2015-04-29 | Inhale vacuum pressing and casting mould in a kind of adjustable side of suction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759605A true CN104759605A (en) | 2015-07-08 |
| CN104759605B CN104759605B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510216006.7A Active CN104759605B (en) | 2015-04-29 | 2015-04-29 | Inhale vacuum pressing and casting mould in a kind of adjustable side of suction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514792A (en) * | 2018-01-17 | 2019-03-26 | 张艳琛 | A kind of cold formed packaging mold of quick thermoforming |
| CN113894268A (en) * | 2021-10-12 | 2022-01-07 | 江苏海洋大学 | Vacuum suction casting device mold base with adjustable suction force |
| CN113894267A (en) * | 2021-10-11 | 2022-01-07 | 江苏海洋大学 | Vacuum suction casting mold capable of adjusting size of casting |
Citations (9)
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|---|---|---|---|---|
| US3712364A (en) * | 1970-11-25 | 1973-01-23 | A Daniel | Method of vacuum casting metal |
| JPS55165266A (en) * | 1979-06-13 | 1980-12-23 | Denki Kogyo Kk | Pressure vaccum suction casting device utilizing high-frequency heating |
| JPS5717364A (en) * | 1980-07-02 | 1982-01-29 | Iwatani & Co | Method for precision casting |
| JPS59110456A (en) * | 1982-12-15 | 1984-06-26 | Nissan Motor Co Ltd | Suction casting device |
| JPS6289559A (en) * | 1985-10-11 | 1987-04-24 | Iwatani & Co | Precision casting method for titanium or the like |
| JPH07116819A (en) * | 1993-10-20 | 1995-05-09 | Kiyasuteingu Okamoto:Kk | Method for pretreating metal for casting and device therefor |
| CN1960822A (en) * | 2004-04-01 | 2007-05-09 | 新东工业株式会社 | Method and device for pouring molten metal in vacuum molding and casting |
| CN202763015U (en) * | 2012-09-20 | 2013-03-06 | 宁波吉威熔模铸造有限公司 | Vacuum casting mold |
| CN204700276U (en) * | 2015-04-29 | 2015-10-14 | 上海工程技术大学 | A kind of suction adjustable side draught vacuum pressing and casting mould |
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2015
- 2015-04-29 CN CN201510216006.7A patent/CN104759605B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3712364A (en) * | 1970-11-25 | 1973-01-23 | A Daniel | Method of vacuum casting metal |
| JPS55165266A (en) * | 1979-06-13 | 1980-12-23 | Denki Kogyo Kk | Pressure vaccum suction casting device utilizing high-frequency heating |
| JPS5717364A (en) * | 1980-07-02 | 1982-01-29 | Iwatani & Co | Method for precision casting |
| JPS59110456A (en) * | 1982-12-15 | 1984-06-26 | Nissan Motor Co Ltd | Suction casting device |
| JPS6289559A (en) * | 1985-10-11 | 1987-04-24 | Iwatani & Co | Precision casting method for titanium or the like |
| JPH07116819A (en) * | 1993-10-20 | 1995-05-09 | Kiyasuteingu Okamoto:Kk | Method for pretreating metal for casting and device therefor |
| CN1960822A (en) * | 2004-04-01 | 2007-05-09 | 新东工业株式会社 | Method and device for pouring molten metal in vacuum molding and casting |
| CN202763015U (en) * | 2012-09-20 | 2013-03-06 | 宁波吉威熔模铸造有限公司 | Vacuum casting mold |
| CN204700276U (en) * | 2015-04-29 | 2015-10-14 | 上海工程技术大学 | A kind of suction adjustable side draught vacuum pressing and casting mould |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514792A (en) * | 2018-01-17 | 2019-03-26 | 张艳琛 | A kind of cold formed packaging mold of quick thermoforming |
| CN113894267A (en) * | 2021-10-11 | 2022-01-07 | 江苏海洋大学 | Vacuum suction casting mold capable of adjusting size of casting |
| CN113894267B (en) * | 2021-10-11 | 2022-12-27 | 江苏海洋大学 | Vacuum suction casting mold capable of adjusting size of casting |
| CN113894268A (en) * | 2021-10-12 | 2022-01-07 | 江苏海洋大学 | Vacuum suction casting device mold base with adjustable suction force |
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| Publication number | Publication date |
|---|---|
| CN104759605B (en) | 2017-03-15 |
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