CN107774913A - Pouring basin and its manufacture method for sand mold - Google Patents
Pouring basin and its manufacture method for sand mold Download PDFInfo
- Publication number
- CN107774913A CN107774913A CN201710954954.XA CN201710954954A CN107774913A CN 107774913 A CN107774913 A CN 107774913A CN 201710954954 A CN201710954954 A CN 201710954954A CN 107774913 A CN107774913 A CN 107774913A
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- CN
- China
- Prior art keywords
- molten iron
- pouring basin
- accommodating chamber
- wall
- inwall
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
Abstract
The application provides a kind of pouring basin for sand mold, including：The molten iron accommodating chamber surrounded by tub wall, the top of molten iron accommodating chamber have molten iron entrance, and bottom has molten iron outlet；It is arranged on the support frame at the top of molten iron accommodating chamber；The sediment block canister being suspended on support frame, sediment block canister have relative and insertion top and bottom, and the bottom of sediment block canister is aligned with molten iron outlet and is spaced apart with the bottom surface of molten iron accommodating chamber；And can extend across sediment block canister and molten iron is exported to and blocked up up to the mouth of a river outside molten iron accommodating chamber, the sprue entrance of the stifled sealing sand mold in the mouth of a river.The purpose of the application is to provide a kind of pouring basin for being capable of effective pushing off the slag.The application also provides a kind of manufacture method of pouring basin.
Description
Technical field
The application is related to a kind of pouring basin for sand mold and production and preparation method thereof.
Background technology
Cast and refer to dissolving solid metallic into the casting mold for pouring into given shape for liquid, treat the processing side of its solidification forming
Formula, it is to obtain the planform of part.
Pouring basin is connected with the running gate system sprue top in sand mold, to accept and import the appearance of molten metal
Device, molten metal is set to flow into sprue again after reaching suitable poring rate.Especially for ironcasting, can ensure in pouring basin
The certain liq amount and depth of liquid is big, it can prevent that iron liquid stops in casting process, can prevent the generation of whirlpool, beneficial to iron liquid
The guarantee of quality.
Pouring basin is the throat of whole casting process, and the quality of its quality has important influence to the quality of casting；
For the method for traditional mode of production, before mould assembling is cast, the one or more disposable cast gates being fabricated using molding sand are used
Basin, it can only be used once, and cost is high, and efficiency is low, while its high temperature impact resistance ability is weak, and the problems such as sand washing easily occurs.It is special
Be not can not effective pushing off the slag, the scum silica frost slag in molten iron is easily accessible in the die cavity of sand mold, so as to easily produce casting slag inclusion
Defect.
The content of the invention
For problem present in correlation technique, the purpose of the application is to provide a kind of cast gate for being capable of effective pushing off the slag
Basin.
The application provides a kind of pouring basin for sand mold, including：The molten iron accommodating chamber surrounded by tub wall, molten iron accommodating chamber
Top there is molten iron entrance, bottom has molten iron outlet；It is arranged on the support frame at the top of molten iron accommodating chamber；It is suspended on support
Sediment block canister on frame, sediment block canister have relative and insertion top and bottom, and the bottom of sediment block canister is aligned simultaneously with molten iron outlet
And it is spaced apart with the bottom surface of molten iron accommodating chamber；And it can extend across sediment block canister and molten iron is exported to up to outside molten iron accommodating chamber
The mouth of a river is blocked up, the sprue entrance of the stifled sealing sand mold in the mouth of a river.
According to the application, tub wall includes inwall and covers the outer wall of inwall, and outer wall is made up of metal sheet, and inwall is by fire resisting
Cement production systD.
According to the application, the inner surface setting of outer wall has multiple spaced reinforcements, and reinforcement extends into inwall
In.
According to the application, reinforcement is fixed on the montant at the middle part of cross bar including cross bar and one end, and the other end of montant is consolidated
The inner surface of outer wall is scheduled on, cross bar is buried in inwall.
According to the application, mouth of a river blocking package includes spherical sealed portion and is connected to the handle in spherical sealed portion, and handle extends through
The bottom and top of sediment block canister.
According to the application, sprue inlet configuration is infundibulate earthenware, and spherical sealed portion makes pottery against infundibulate is fitted in
The flared end of porcelain tube.
According to the application, the size of molten iron outlet is bigger more than 30mm than the flared end of infundibulate earthenware.
According to the application, the distance of bottom surface of the bottom of sediment block canister away from molten iron accommodating chamber is 10mm to 100mm.
The application also provides a kind of manufacture method of pouring basin, comprises the following steps：
S10, there is provided surround the tub wall of molten iron accommodating chamber, the top of molten iron accommodating chamber has molten iron entrance, molten iron accommodating chamber
Bottom there is molten iron outlet, the sprue entrance of molten iron outlet alignment sand mold；
S20, the position that molten iron outlet is corresponded in molten iron entrance set support frame, sediment block canister are hung on support frame, keep off
The bottom of slag cylinder is aligned with molten iron outlet and is spaced apart with the bottom surface of molten iron accommodating chamber；
S30, the mouth of a river is set to block up through sediment block canister, the sprue entrance of the stifled sealing sand mold in the mouth of a river.
According to the application, step S10 includes, there is provided outer wall, pouring basin mould is placed in the inside of outer wall, in outer wall
Gap filling refractory cement between surface and pouring basin mould, and consolidate, dry taking-up pouring basin mould after refractory cement
To form inwall, outer wall and inwall are collectively forming tub wall.
According to the application, step S10 also includes, and behind the surface of inwall of being polished using sand paper, is applied on the surface of inwall resistance to
High-temperature coatings, whole pouring basin is placed into air-set more than two weeks.
According to the application, the step of applying high-temperature resistant coating, includes applying twice of osmosis type coating and applies a painting hung type
Coating.
The advantageous effects of the application are：
The pouring basin of the application due to bottom and the molten iron outlet of its sediment block canister be aligned and with the bottom surface of molten iron accommodating chamber
It is spaced apart, before the molten iron of injection is not up to the certain volume of molten iron accommodating chamber, the stifled sprue for sealing sand mold always in the mouth of a river
Entrance, when molten iron reaches the certain volume of molten iron accommodating chamber, unplug the mouth of a river and block up, molten iron begins to pass sediment block canister from its bottom
Gap between bottom and the bottom surface of molten iron accommodating chamber and by molten iron outlet into the sprue of sand mold.Swim in molten iron table
Scum silica frost slag on face is effectively blocked by sediment block canister, prevents it from entering in sand mold, so as to solve the problems, such as casting slag inclusion.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the pouring basin of the application.
Fig. 2 is schematic cross-section of the pouring basin of the application along Fig. 1 center lines A-A.
Fig. 3 is partial enlarged drawing of the pouring basin in molten iron exit of the application.
Fig. 4 is the flow chart of the manufacture method of the pouring basin of the application.
Embodiment
Refer to the attached drawing discloses the embodiment shown.It will be appreciated, however, that the disclosed embodiments be only can with various and
The embodiment that alternative form is shown.Accompanying drawing is not necessarily drawn to scale, and it is specific to show to zoom in or out some features
The details of part.Disclosed concrete structure and functional details should not be construed as limiting, but is used as and is used to instruct this area
How technical staff puts into practice the representative basis of the disclosure.
With reference to figure 1 and Fig. 2, the application provides a kind of pouring basin 2 for sand mold 1, including：The molten iron surrounded by tub wall 10
Accommodating chamber 20, the top of molten iron accommodating chamber 20 have molten iron entrance 21, and there is molten iron to export 22 for bottom；It is arranged on molten iron accommodating chamber
The support frame 30 at 20 top；The sediment block canister 40 being suspended on support frame 30, sediment block canister 40 have relative and insertion top
41 and bottom 42, the bottom 42 of sediment block canister and molten iron outlet 22 are aligned and are spaced apart with the bottom surface 23 of molten iron accommodating chamber；And
It can extend across the mouth of a river stifled 50 outside sediment block canister 40 and the arrival molten iron accommodating chamber 20 of molten iron outlet 22, the stifled 50 sealing sand molds in the mouth of a river
1 sprue entrance 11.The pouring basin 2 of the application is aligned and and iron due to bottom 42 and the molten iron outlet 22 of its sediment block canister 40
The bottom surface 23 of water accommodating chamber is spaced apart, before the molten iron of injection is not up to the certain volume of molten iron accommodating chamber 20, the mouth of a river stifled 50
The sprue entrance 11 of sand mold is sealed always, when molten iron reaches the certain volume of molten iron accommodating chamber 20, unplugs the mouth of a river stifled 50, iron
Water begins to pass the gap between the bottom 42 of sediment block canister and the bottom surface 23 of molten iron accommodating chamber from its bottom and exported by molten iron
22 enter in the sprue 12 of sand mold 1.But the scum silica frost slag swum on molten iron surface is effectively blocked by sediment block canister 40, makes it
It can not enter in sand mold 1, so as to solve the problems, such as casting slag inclusion.Preferably, the bottom 42 of sediment block canister is away from molten iron accommodating chamber
The distance of bottom surface 23 is 10mm to 100mm, and the distance can ensure that molten iron quickly fills type, can effectively stop scum silica frost again.
Reference picture 2, in one embodiment, tub wall 10 include inwall 13 and cover inwall 13 outer wall 14, outer wall 13 by
Metal sheet (preferably steel plate) is made, and inwall 14 is made up of refractory cement.Because outer wall 13 is made up of metal sheet, inwall 14 by
Refractory cement is made, and is made up so as to avoid tub wall 10 of molding sand, therefore, punching will not be produced when injecting molten iron to pouring basin 1
Sand defect, and whole pouring basin is sturdy and durable, it is reusable.
With continued reference to Fig. 2, in one embodiment, the inner surface setting of outer wall 13 has multiple spaced reinforcements
15, reinforcement 15 is extended into inwall 14, and reinforcement 15 has the function that to prevent inwall from coming off from outer wall.Specifically, add
Strengthening tendons 15 is fixed on the montant 152 at the middle part of cross bar 151 including cross bar 151 and one end, and the other end of montant 152 is fixed on outer wall
13 inner surface, cross bar 151 are buried in inwall 14.That is, reinforcement 15 is configured to T-shaped, the T-shaped energy of reinforcement 15
It is enough preferably to reinforce inwall 14, prevent inwall from coming off.Preferably, outer wall 13 can be welded or cast by steel plate and formed, outer wall 13
Outer surface, which is provided with, hangs 16, easily to carry mobile pouring basin 2.
With continued reference to Fig. 2, in one embodiment, the mouth of a river stifled 50 includes spherical sealed portion 51 and is connected to spherical sealed portion
51 handle 52, handle 52 extend through the bottom 42 and top 41 of sediment block canister 40.Handle 52 can be configured to long and narrow thin bar,
And spherical sealed portion 51 is it is so structured that the weight of such as steel ball etc is larger and resistant to elevated temperatures spheroid, the so whole mouth of a river stifled 50
Center of gravity fall in spherical sealed portion 51, thus when 50 sealing sprue entrance 11 is blocked up at the mouth of a river, can stably position without
It can tilt and skew, here with the principle of tumbler.
Reference picture 3, in one embodiment, sprue entrance 11 are configured to infundibulate earthenware, and spherical sealed portion 51 supports
Flared end by being fitted in infundibulate earthenware.Sprue entrance 11 is configured to infundibulate earthenware, is on the one hand advantageous to iron
It is steady that water fills type, no cutout, without volume gas；On the other hand be advantageous to the stable mouth of a river of placing and block up 50 and sealing sprue entrance 11.Enter
Preferably, the size of molten iron outlet 22 is bigger more than 30mm than the flared end of infundibulate earthenware, thus the molten iron in structure for one step
Outlet 22 forms a bigger funnel with sprue entrance 11, so as to be more beneficial for molten iron Stable Filling.
The application also provides a kind of manufacture method of pouring basin, comprises the following steps：
S10, there is provided surround the tub wall 10 of molten iron accommodating chamber 20, the top of molten iron accommodating chamber 20 has molten iron entrance 21, iron
There is molten iron to export 22 for the bottom of water accommodating chamber 20, the sprue entrance 11 of the alignment sand mold of molten iron outlet 22；
S20, the position that molten iron outlet 22 is corresponded in molten iron entrance 21 set support frame 30, gear are hung on support frame 30
Slag cylinder 40, the bottom 42 of sediment block canister 40 are aligned with molten iron outlet 22 and are spaced apart with the bottom surface 23 of molten iron accommodating chamber；
S30, the mouth of a river stifled 50, the sprue entrance 11 of the stifled 50 sealing sand mold in the mouth of a river are set through sediment block canister 40.
Preferably, step S10 includes, there is provided outer wall 13, pouring basin mould is placed in the inside of outer wall 13, in outer wall 13
Gap filling refractory cement between inner surface and pouring basin mould, and consolidate, dry taking-up pouring basin mould after refractory cement
For tool to form inwall 14, outer wall 13 and inwall 14 are collectively forming tub wall 10.Specific practice can be：Pre-production forms molten iron and held
Receive the pouring basin mould of the shape of chamber 20, pouring basin mould is placed on correct position in outer wall 13, the high-temperature resistant water that will be blended
The gap that mud is inserted between outer wall and pouring basin mould, and constantly shake, ensure filling compactness；, will after hardening of cement
The tub wall 10 that outer wall 13 and inwall 14 are formed separates with pouring basin mould；The preferred metal pattern of pouring basin mould or resin mold.
Preferably, step S10 also includes, and behind the surface of inwall 14 of being polished using sand paper, resistance to height is applied on the surface of inwall
Thermo-paint, whole pouring basin 2 is placed into air-set more than two weeks.
Preferably, the step of applying high-temperature resistant coating applies hung type painting including applying twice of osmosis type coating and applying one time
Material.The application of high-temperature resistant coating ensure that pouring basin can keep shape intact under the impact of molten iron, no sand washing defect so that
Pouring basin may be reused.
In a specific embodiment, the pouring basin of the application has following method of manufacture and use thereof：
1) it is pre-designed pouring basin mould；
2) moulding：Outer wall made of steel plate 13 has been prepared with mould, the outer wall 13 that has manufactured will be pre-designed and be placed into
Position, refractory cement has been made added to outer wall 13 with the gap of pouring basin mould, constantly consolidating during making, being taken after drying
Go out and inwall 14 formed after mould, apply three times coating to inwall 14, respectively osmosis type coating 2 times, apply hung type coating 1 time；
3) during casting moulding, on sand mold 1, one or more snippets sprue 12 is led to the position for being expected to place pouring basin 2
Place is put, then placing infundibulate earthenware, (earthenware may be placed over the mouth of a river and block up, and avoid molten iron during cast from entering type in advance
Chamber)；
4) during mould assembling, fire clay is placed on funnel type earthenware, carries out the placement of pouring basin so that molten iron outlet 22 with
Sprue 12 is tightly connected；
5) behind more than the 2/3 of molten iron casting to pouring basin volume, the mouth of a river stifled 50 is extracted, molten iron is entered by sprue 12
Die cavity, complete the cast of casting.
6) after casting complete, pouring basin is transferred from, prepares next of production after cleaning.
To sum up, pouring basin that the application provides and production and preparation method thereof a, it is possible to achieve pouring basin is repeatable to be made
With, and effective pushing off the slag and the risk for preventing pouring basin sand washing；Risk without burning into sand, sand washing；Cost is low, and quality is high, pushing off the slag effect
Well, it is steady to fill type, it is no to stop, without quality problems such as volume gas, so as to realize the production of high-quality casting.
The preferred embodiment of the application is these are only, is not limited to the application, for those skilled in the art
For member, the application can have various modifications and variations.All any modifications within spirit herein and principle, made,
Equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (12)
- A kind of 1. pouring basin for sand mold, it is characterised in that including：The molten iron accommodating chamber surrounded by tub wall, the top of the molten iron accommodating chamber have molten iron entrance, and bottom has molten iron outlet；It is arranged on the support frame at the top of the molten iron accommodating chamber；The sediment block canister being suspended on support frame as described above, the sediment block canister have relative and insertion top and bottom, the gear The bottom of slag cylinder is aligned with molten iron outlet and is spaced apart with the bottom surface of the molten iron accommodating chamber；AndIt can extend across the sediment block canister and the molten iron exported to and blocked up up to the mouth of a river outside the molten iron accommodating chamber, the mouth of a river The sprue entrance of the stifled sealing sand mold.
- 2. pouring basin according to claim 1, it is characterised in that the tub wall includes inwall and covers the outer of the inwall Wall, the outer wall are made up of metal sheet, and the inwall is made up of refractory cement.
- 3. pouring basin according to claim 2, it is characterised in that the inner surface setting of the outer wall has multiple be spaced Reinforcement, the reinforcement extended into the inwall.
- 4. pouring basin according to claim 3, it is characterised in that the reinforcement is fixed on described including cross bar and one end The montant at the middle part of cross bar, the other end of the montant are fixed on the inner surface of the outer wall, and the cross bar is buried in described In inwall.
- 5. pouring basin according to claim 1, it is characterised in that the mouth of a river blocking package includes spherical sealed portion and is connected to institute The handle in spherical sealed portion is stated, the handle extends through the bottom and top of the sediment block canister.
- 6. pouring basin according to claim 5, it is characterised in that the sprue inlet configuration is infundibulate earthenware, The spherical sealed portion is against the flared end for being fitted in the infundibulate earthenware.
- 7. pouring basin according to claim 6, it is characterised in that the size of the molten iron outlet is than infundibulate ceramics Big more than the 30mm of flared end of pipe.
- 8. pouring basin according to claim 1, it is characterised in that the bottom of the sediment block canister is away from the molten iron accommodating chamber The distance of bottom surface is 10mm to 100mm.
- 9. a kind of manufacture method of pouring basin, it is characterised in that comprise the following steps：S10, there is provided surround the tub wall of molten iron accommodating chamber, the top of the molten iron accommodating chamber has molten iron entrance, and the molten iron holds Receiving the bottom of chamber has a molten iron outlet, the sprue entrance of the molten iron outlet alignment sand mold；S20, the position that molten iron outlet is corresponded in the molten iron entrance set support frame, gear are hung on support frame as described above Slag cylinder, the bottom of the sediment block canister are aligned with molten iron outlet and are spaced apart with the bottom surface of the molten iron accommodating chamber；S30, the mouth of a river is set to block up through the sediment block canister, the sprue entrance of the stifled sealing sand mold in the mouth of a river.
- 10. manufacture method according to claim 9, it is characterised in that the step S10 includes, there is provided outer wall, described Pouring basin mould is placed in the inside of outer wall, the gap filling fire resisting between the inner surface and the pouring basin mould of the outer wall Cement, and consolidate, dry and take out the pouring basin mould after the refractory cement to form inwall, the outer wall and described interior Wall is collectively forming the tub wall.
- 11. manufacture method according to claim 10, it is characterised in that the step S10 also includes, and is polished using sand paper Behind the surface of the inwall, high-temperature resistant coating is applied on the surface of the inwall, the whole pouring basin is placed into air-set More than two weeks.
- 12. manufacture method according to claim 11, it is characterised in that described the step of applying high-temperature resistant coating includes applying Apply twice of osmosis type coating and apply a painting hung type coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954954.XA CN107774913B (en) | 2017-10-13 | 2017-10-13 | Pouring basin for sand mold and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954954.XA CN107774913B (en) | 2017-10-13 | 2017-10-13 | Pouring basin for sand mold and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107774913A true CN107774913A (en) | 2018-03-09 |
| CN107774913B CN107774913B (en) | 2020-04-07 |
Family
ID=61434752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710954954.XA Active CN107774913B (en) | 2017-10-13 | 2017-10-13 | Pouring basin for sand mold and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107774913B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024826A (en) * | 2020-08-26 | 2020-12-04 | 共享装备股份有限公司 | Anti-siphon pouring basin and manufacturing method and using method thereof |
| CN113059123A (en) * | 2021-03-25 | 2021-07-02 | 共享装备股份有限公司 | Pouring basin and manufacturing and using method thereof |
| WO2022212219A1 (en) * | 2021-03-29 | 2022-10-06 | Skuld Llc | Process for evaporative casting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024826A (en) * | 2020-08-26 | 2020-12-04 | 共享装备股份有限公司 | Anti-siphon pouring basin and manufacturing method and using method thereof |
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| CN113059123A (en) * | 2021-03-25 | 2021-07-02 | 共享装备股份有限公司 | Pouring basin and manufacturing and using method thereof |
| WO2022212219A1 (en) * | 2021-03-29 | 2022-10-06 | Skuld Llc | Process for evaporative casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107774913B (en) | 2020-04-07 |
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