CN106238683A - Running gate system for sand mold - Google Patents
Running gate system for sand mold Download PDFInfo
- Publication number
- CN106238683A CN106238683A CN201610609656.2A CN201610609656A CN106238683A CN 106238683 A CN106238683 A CN 106238683A CN 201610609656 A CN201610609656 A CN 201610609656A CN 106238683 A CN106238683 A CN 106238683A
- Authority
- CN
- China
- Prior art keywords
- sand mold
- sprue
- cross gate
- gate
- running
- 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.)
- Pending
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Classifications
-
- 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 invention provides a kind of running gate system for sand mold, including: sprue and the cross gate being connected with sprue；It is arranged on the junction of sprue and cross gate and connects the sprue base of sprue and cross gate；Collection slag nest relative to the other end that sprue base is arranged on cross gate；Connect the ingate of cross gate and sand mold；Wherein, sprue and ingate are made up of earthenware, and cross gate, sprue base, collection slag nest are made up of industrial refractory brick.It is an object of the invention to provide a kind of running gate system for sand mold, this running gate system can overcome the existing easy sand washing of sand mold running gate system and pushing off the slag and the defect of unhurried current weak effect.
Description
Technical field
The present invention relates to casting field, a kind of running gate system for sand mold.
Background technology
Casting is to become meet necessarily required liquid and water in casting mold by Metal Melting, cooled solidification, levels process
After obtain the technical process that there is the foundry goods of reservation shape, size and performance.Running gate system is as liquid metal introduces casting mold type
Chamber and the passage offered in casting mold, the effect of running gate system is, 1. controls the speed of molten metal filling casting mold and full casting mold
The required time；2. make molten metal stably enter casting mold, it is to avoid turbulent flow and casting mold is washed away；3. slag and other folders are stoped
Foreign material enter die cavity；4. non-involvement gas during cast, and make foundry goods when cooling down, meet the principle of consecutive solidification as far as possible.For sand
Mold casting, general running gate system is that molding sand is formed, and owing to high temperature liquid iron washes away for a long time, easily causes the burning into sand defect of foundry goods,
The anti-impact sand running gate system that can use large-scale ductile iron part solves, but the anti-impact sand cast of general large-scale ductile iron part is
System mostly is circular pipe fitting, and this kind of running gate system cost is high, and it is big that produced on-site controls difficulty, it is impossible to ironcasting is effectively ensured to cast
The requirement of systemic effect.
In prior art, the Chinese patent of Application No. CN201220480867.8 discloses a kind of pottery running gate system,
Including main depositing and connect with described main depositing from depositing, main depositing is made up of multiple pipe fittings, and multiple described pipe fitting is different
Footpath eccentric setting.Its main depositing is made up of multiple pipe fittings arranged in reducing, effectively prevent extending stress band and carrys out air pressure inequality
Cause the problem that casting quality declines.The shortcoming of this scheme is: one, pipe fitting joint, inconvenient in actual use, moulding
Cannot clear up inside rear tubular member；Two, dimensions is many, produces for heavy castings, when needing multiple ingate, connects complexity,
Being difficult to control to, efficiency is low；Three, running gate system self pushing off the slag and unhurried current DeGrain；Four, without sprue base and cross gate collection
Slag nest designs, and running gate system cannot reduce slag inclusion problem.
Summary of the invention
For problem present in correlation technique, it is an object of the invention to provide a kind of running gate system for sand mold,
This running gate system can overcome the existing easy sand washing of sand mold running gate system and pushing off the slag and the defect of unhurried current weak effect.
The invention provides a kind of running gate system for sand mold, including: sprue and horizontal watering of being connected with sprue
Road；It is arranged on the junction of sprue and cross gate and connects the sprue base of sprue and cross gate；Relative to sprue base
It is arranged on the collection slag nest of the other end of cross gate；Connect the ingate of cross gate and sand mold；Wherein, sprue and ingate are by making pottery
Porcelain tube is constituted, and cross gate, sprue base, collection slag nest are made up of industrial refractory brick.
According to the present invention, sprue is vertical with cross gate to be connected.
According to the present invention, sprue base is configured to the cube being spliced by some industrial refractory bricks, cubical top
Portion's open communication sprue, cubical sidewall opening connection cross gate.
According to the present invention, cross gate is spliced by some industrial refractory bricks.
According to the present invention, cross gate includes sidewall refractory brick, bottom refractory brick and cover plate refractory brick, and cover plate refractory brick is optional
Close the open top surrounded by sidewall refractory brick of cross gate with selecting.
Connector according to the present invention, ingate and cross gate is arranged on the bottom of cross gate.
According to the present invention, height and the width of cross gate are controlled by the spacing of the termination sidewall refractory brick of regulation cross gate
System.
According to the present invention, the intracavity bottom of collection slag nest is less than the bottom of cross gate.
According to the present invention, ingate connects with the bottom of sand mold.
According to the present invention, the top of sand mold is provided with the gas off-take that multiple die cavity with sand mold connects.
The Advantageous Effects of the present invention is:
The running gate system for sand mold of the present invention slows down the flow velocity of molten iron by sprue base, increases the unhurried current effect of system
Really；Stop the scum silica frost in molten iron by collection slag nest, increase the pushing off the slag effect of system；And pass through sprue and ingate by earthenware
Constituting, cross gate, sprue base, collection slag nest be made up of industrial refractory brick, realizes more than the 90% of whole running gate system by work
Industry refractory brick and pottery cover, and high temperature resistant molten iron impact capacity is strong, reduce foundry goods burning into sand defect.
Accompanying drawing explanation
Fig. 1 is the front view of the running gate system of the present invention.
Fig. 2 is the axonometric chart of the running gate system of the present invention.
Fig. 3 is the side view of the running gate system of the present invention.
Detailed description of the invention
It is described with reference to the representative embodiment of the present invention.The running gate system of the present invention is preferably applied to casting large-scale
The sand mold of nodular iron casting.Instant invention overcomes the easy sand washing of sand mold running gate system and the operation of cast running gate system in prior art existing
Wayward and the pushing off the slag in field and the defect of unhurried current weak effect, it is provided that watering of a kind of sand mold for casting large-scale nodular iron casting
Injection system, described running gate system low cost, simple to operate, simple for structure, improve production efficiency.
Reference Fig. 1, the running gate system for sand mold of the present invention, including: sprue 1 and the horizontal stroke being connected with sprue 1
Running channel 3；It is arranged on the junction of sprue 1 and cross gate 3 and connects the sprue base 2 of sprue 1 and cross gate 3；Relative to
Sprue base 2 is arranged on the collection slag nest 4 of the other end of cross gate 3；Connect the ingate 5 of cross gate 3 and sand mold 7；Wherein, directly water
Road 1 and ingate 5 are made up of earthenware, and cross gate 3, sprue base 2, collection slag nest 4 are made up of industrial refractory brick.The use of the present invention
Running gate system in sand mold is passed through sprue base 2 and is slowed down the flow velocity of molten iron, increases the unhurried current effect of system；Hindered by collection slag nest 4
Scum silica frost in buting iron water, increases the pushing off the slag effect of system；And be made up of earthenware by sprue 1 and ingate 5, cross gate 3,
Sprue base 2, collection slag nest 4 are made up of industrial refractory brick, realize more than the 90% of whole running gate system by industrial refractory brick and
Pottery covers, and high temperature resistant molten iron impact capacity is strong, reduces foundry goods burning into sand defect.
In a preferred embodiment, sprue 1 is vertical with cross gate 3 to be connected, can effectively slow down at sprue base 2
The flow velocity of molten iron.Specifically, sprue 1 uses round ceramic pipe, and one end connects pouring basin, and the other end connects sprue base 2
Manhole.Should be appreciated that sprue 1 and cross gate 3 can be connected in the angle between 90 ° to 180 °.Further, it is possible to
Understanding, in order to preferably buffer molten iron flow rates, the bottom surface of the inner chamber of sprue base 2 can be less than the bottom surface of the inner chamber of cross gate 3.
With continued reference to Fig. 2, sprue base 2 is configured to the cube being spliced by some industrial refractory bricks, cubical
Open top connection sprue 1, cubical sidewall opening connection cross gate 3.Preferably, cross gate 3 is by some industry
Refractory brick is spliced.Industrial refractory brick is the refractory material being fired into refractory clay or other refractory raw materials, faint yellow or
Band brown, is mainly used in building smelting furnace, is resistant to the high temperature of 1580 DEG C-1770 DEG C.
With continued reference to Fig. 2, cross gate 3 includes sidewall refractory brick 11, bottom refractory brick 12 and cover plate refractory brick 13, and cover plate is resistance to
The open top surrounded by sidewall refractory brick 11 of cross gate selectively closed by firebrick 13.In the apperance mould assembling forming cross gate
Before, cover plate refractory brick 13 be not closed open-topped, say, that cross gate 3 is open type, easy cleaning casting horizontal stroke
Fall into the loose sand within cross gate and floating sand during running channel, reduce foundry goods burning into sand.
With continued reference to Fig. 2, between the height of cross gate 3 and the width sidewall refractory brick 11 by the termination of regulation cross gate
Away from controlling.The size of cross gate 3 is by industrial refractory brick size limitation, and cross gate height is 230mm, width ＜ 220mm.Can root
Size and the quantity of ingate 5, the highly versatile in running gate system each several part cross section is freely regulated according to the size of foundry goods.
With reference to Fig. 3, the connector of ingate 5 and cross gate 3 is arranged on the bottom of cross gate 3.Specifically, ingate 5
Can be round ceramic pipe, one end connects cross gate 3, and the other end connects sand mold 7.Owing to the density of the scum silica frost in molten iron is less than ferrum
The density of water, therefore, what scum silica frost was swims in the upper surface of molten iron, thus, the connector of ingate 5 with cross gate 3 is set
Put the bottom at cross gate 3, can effectively stop that the scum silica frost in molten iron is entered in die cavity by ingate 5, thus improve foundry goods
Quality.
The running gate system of the present invention meets Gating System for Iron Casting design principle, beneficially running gate system drain, pushing off the slag and fall
The purpose of speed.Injection system structure is simple, it is only necessary to industrial refractory brick and earthenware duct, can meet making of a set of running gate system
With, and assembling stage required precision is low, it is possible to achieve mass production.
With reference to Fig. 1, the intracavity bottom of collection slag nest 4 is less than the bottom of cross gate 3.Thus collect slag nest 4 and can effectively stop and water
The scum silica frost in first strand of molten iron when note starts, owing to the scum silica frost in first strand of molten iron when cast starts is most, thus
Block the scum silica frost in first strand of molten iron when cast starts and just can block scum silica frost greatly, thus improve the matter of foundry goods
Amount.
With reference to Fig. 3, ingate 5 connects with the bottom of sand mold 7, and the top of sand mold 7 is provided with multiple die cavity with sand mold 7 and connects
Logical gas off-take 6.This stage property of giving vent to anger, can be by ferrum for when molten iron enters die cavity from the bottom of sand mold 7 through ingate 5
The air that the air carried secretly in water and die cavity have is discharged from gas off-take 6 slowly, thus avoids going out of bubble in foundry goods
Existing.
Further, after whole running gate system moulding, it is impossible to use the part that refractory brick is constituted, all by the direct structure of molding sand
Become, to form a running gate system closed, such as, ingate and cross gate connecting portion, sprue and cross gate connecting portion
Position.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For Yuan, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the running gate system for sand mold, it is characterised in that including:
Sprue and the cross gate being connected with described sprue；
It is arranged on described sprue and the junction of described cross gate and connects described sprue and the sprue of described cross gate
Nest；
Collection slag nest relative to the other end that described sprue base is arranged on described cross gate；
Connect the ingate of described cross gate and described sand mold；
Wherein, described sprue and described ingate are made up of earthenware, described cross gate, described sprue base, described collection slag
Nest is made up of industrial refractory brick.
Running gate system for sand mold the most according to claim 1, it is characterised in that described sprue and described cross gate
Vertical connection.
Running gate system for sand mold the most according to claim 1, it is characterised in that if described sprue base be configured to by
The cube that dry industrial refractory brick is spliced, described cubical open top connects described sprue, described cubical
One sidewall opening connects described cross gate.
Running gate system for sand mold the most according to claim 1, it is characterised in that described cross gate is resistance to by some industry
Firebrick is spliced.
Running gate system for sand mold the most according to claim 4, it is characterised in that described cross gate includes sidewall refractory
Brick, bottom refractory brick and cover plate refractory brick, the resistance to by described sidewall of described cross gate selectively closed by described cover plate refractory brick
The open top that firebrick surrounds.
Running gate system for sand mold the most according to claim 1, it is characterised in that described ingate and described cross gate
Connector be arranged on the bottom of described cross gate.
Running gate system for sand mold the most according to claim 1, it is characterised in that the height of described cross gate and width
Controlled by the spacing regulating the termination sidewall refractory brick of described cross gate.
Running gate system for sand mold the most according to claim 1, it is characterised in that the intracavity bottom of described collection slag nest is low
Bottom in described cross gate.
Running gate system for sand mold the most according to claim 1, it is characterised in that described ingate and described sand mold
Bottom connection.
Running gate system for sand mold the most according to claim 9, it is characterised in that the top of described sand mold is provided with
The gas off-take that multiple and described sand mold die cavity connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609656.2A CN106238683A (en) | 2016-07-29 | 2016-07-29 | Running gate system for sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610609656.2A CN106238683A (en) | 2016-07-29 | 2016-07-29 | Running gate system for sand mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106238683A true CN106238683A (en) | 2016-12-21 |
Family
ID=57605136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610609656.2A Pending CN106238683A (en) | 2016-07-29 | 2016-07-29 | Running gate system for sand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106238683A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926548A (en) * | 2019-05-05 | 2019-06-25 | 合肥江淮铸造有限责任公司 | A kind of full core assembly pouring system of cylinder body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4356994A (en) * | 1978-12-27 | 1982-11-02 | Dyson Refractories Limited | Holloware for uphill teeming |
| JPH04305356A (en) * | 1991-03-31 | 1992-10-28 | Mazda Motor Corp | Casting machine |
| CN103551500A (en) * | 2013-11-18 | 2014-02-05 | 宁夏共享集团有限责任公司 | Method for manufacturing lost foam casting system |
| CN103978158A (en) * | 2014-04-17 | 2014-08-13 | 宁夏共享集团有限责任公司 | Ceramic casting system |
| CN204603216U (en) * | 2015-04-21 | 2015-09-02 | 宁波永祥铸造有限公司 | A kind of ingate earthenware |
| CN105562610A (en) * | 2016-01-19 | 2016-05-11 | 共享装备股份有限公司 | Casting all-ceramic pouring mechanism |
-
2016
- 2016-07-29 CN CN201610609656.2A patent/CN106238683A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4356994A (en) * | 1978-12-27 | 1982-11-02 | Dyson Refractories Limited | Holloware for uphill teeming |
| JPH04305356A (en) * | 1991-03-31 | 1992-10-28 | Mazda Motor Corp | Casting machine |
| CN103551500A (en) * | 2013-11-18 | 2014-02-05 | 宁夏共享集团有限责任公司 | Method for manufacturing lost foam casting system |
| CN103978158A (en) * | 2014-04-17 | 2014-08-13 | 宁夏共享集团有限责任公司 | Ceramic casting system |
| CN204603216U (en) * | 2015-04-21 | 2015-09-02 | 宁波永祥铸造有限公司 | A kind of ingate earthenware |
| CN105562610A (en) * | 2016-01-19 | 2016-05-11 | 共享装备股份有限公司 | Casting all-ceramic pouring mechanism |
Non-Patent Citations (2)
| Title |
|---|
| 余茂祚: "《铸件清理及热处理问答》", 31 December 1991, 机械工业出版社 * |
| 谢鹏: "《铸造工》", 31 March 2012, 中国农业科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926548A (en) * | 2019-05-05 | 2019-06-25 | 合肥江淮铸造有限责任公司 | A kind of full core assembly pouring system of cylinder body |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |