CN203437595U - Gating system - Google Patents
Gating system Download PDFInfo
- Publication number
- CN203437595U CN203437595U CN201320570557.XU CN201320570557U CN203437595U CN 203437595 U CN203437595 U CN 203437595U CN 201320570557 U CN201320570557 U CN 201320570557U CN 203437595 U CN203437595 U CN 203437595U
- Authority
- CN
- China
- Prior art keywords
- sprue
- pouring gate
- molten iron
- ingate
- straight
- 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 - Lifetime
Links
- 230000000630 rising effect Effects 0.000 claims description 28
- 239000003110 molding sand Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 80
- 229910052742 iron Inorganic materials 0.000 abstract description 40
- 239000012535 impurity Substances 0.000 abstract description 22
- 238000005266 casting Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000004576 sand Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000007667 floating Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000002817 coal dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a gating system, wherein the pouring gate of the gating system is helical-line-shaped; a sprue is formed in one end of the pouring gate, and the other end of the pouring gate is connected with a straight pouring gate; the pouring gate is positioned above the straight pouring gate; a feeder head is arranged at the intersection of the pouring gate and the straight pouring gate; an air outlet is formed in the upper part of the feeder head; an inner pouring gate is communicated with the straight pouring gate, and the straight pouring gate is higher than the inner pouring gate. When the gating system is adopted for casting, molten iron enters the helical-line-shaped pouring gate and rises along the feeder head under the function of inertia in a spiral manner, and at the moment, impurities float during pouring, so that the first deslagging effect is realized; as the straight pouring gate is higher than the inner pouring gate, the liquid level of the molten iron in the straight pouring gate is higher than that of the molten iron in the inner pouring gate; in this way, the impurities float once again and float at the upper part of the molten iron, so that the impurities at the upper part do not flow into the inner pouring gate, and the second deslagging effect is realized. According to the utility model, through the secondary deslagging, the impurities in the molten iron can be effectively removed, and the yield of castings is ensured.
Description
Technical field
The utility model relates to a kind of running gate system, belongs to casting technology field.The utility model also relates to the novel casting method of the glass mold that utilizes above-mentioned running gate system.
Background technology
In Foundry Production, no matter be steel-casting, ironcasting, aluminum casting or other alloy-steel casting, be easy to for various reasons produce the quality problems such as slag blister, sand holes, core, therefore remove non-metallic inclusion in metal bath, to improving casting yield, improve casting quality, there is great technological value and economic worth.
At present, in casting technique, extensively adopt casting screen pack to remove foreign material.Screen pack can be removed bubble in metal bath, press from both sides the objectionable impurities such as grey oxide and various field trashes, thereby eliminates core, slag blister, the sand holes of foundry goods, greatly improves the yield rate of foundry goods, improves inherent quality and the presentation quality of foundry goods.But it is limited only relying on screen pack to remove impurity, can not fundamentally eliminate core, slag blister, the sand holes of foundry goods, affects the yield rate of foundry goods.
Utility model content
A kind of novel casting method that technical problem to be solved in the utility model is to provide running gate system and utilizes the glass mold of above-mentioned running gate system.This running gate system can effectively be removed the impurity in pouring molten iron.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
, comprising the cast gate, running channel, sprue and the ingate that by molding sand, are formed, described running channel is spiral yarn shaped, and its one end is provided with cast gate, and the other end is connected with sprue; Described running channel is positioned at sprue top, in the intersection of running channel and sprue, is provided with rising head, and rising head top is provided with venthole; Described ingate and sprue connect, and sprue exceeds ingate.
Described sprue exceeds ingate 10-25mm.
Between described rising head bottom and sprue, be provided with screen pack.
Described ingate has a plurality of, and it all connects with sprue.An ingate is generally respectively set respectively on sprue both sides.
Molten iron pours into from cast gate, enters spiral yarn shaped running channel, and when molten iron flow to rising head place in spiral yarn shaped running channel, under the effect of inertia, along rising head spiral, the venthole that rising head top arranges can guarantee that molten iron is smooth and easy mobile.Now impurity can float when cast, after the screen pack that the molten iron of bottom arranges through rising head bottom filters, enters sprue.Impurity in floating state can not flow to sprue, even if having the impurity of floating to flow to sprue with molten iron or do not have the impurity of floating to flow to sprue with molten iron, the screen pack that rising head bottom arranges can be filtered, and plays the effect that removes the gred first.
Sprue exceeds ingate, connecting with ingate of sprue bottom, the speed that flows to sprue due to molten iron is greater than the speed that molten iron in sprue flows to ingate, therefore, in sprue, the liquid level of molten iron is by the liquid level higher than molten iron in ingate, impurity will float again like this, and molten iron flows in ingate along sprue bottom.Equally, impurity floats over molten iron top, and the molten iron of sprue inner bottom part flows to ingate, thereby the impurity on top can not flow to ingate, plays secondary slagging-off effect.The molten iron that enters ingate finally enters in die cavity.
A novel casting method, comprise the following steps:
(1) by glass die blank size, produce wooden mold base plate, comprise gating pattern, running channel mould, sprue mould and ingate mould on described wooden mold base plate, described running channel mould is spiral yarn shaped, and its one end is connected with gating pattern, and the other end is connected with sprue mould; Described running channel mould is positioned at sprue mould top, in the intersection of running channel mould and sprue mould, is provided with rising head mould, and rising head mould top is provided with venthole; Described ingate mould and sprue mould link together, and sprue mould exceeds ingate mould; Described sprue mould exceeds ingate mould 10-25mm.
(2) type mask is placed on wooden mold base plate, and inserts coal dust sand in the cavity volume of type frame;
(3) the type frame of inserting coal dust sand is overturn together with wooden mold base plate, remove wooden mold base plate, obtain running gate system and casting mold;
(4) molten iron of melting is poured into from cast gate, enter spiral yarn shaped running channel, when molten iron flow to rising head place in spiral yarn shaped running channel, under the effect of inertia along rising head spiral, after filtering, the screen pack arranging through rising head bottom enters sprue, molten iron flows to ingate through sprue bottom, finally enters in die cavity.
(5), after cooling, remove chill loam core, type frame, and through sand removal, obtain glass die blank.
The utility model running gate system and the casting method process secondary slagging-off that adopts described running gate system, can guarantee the yield rate of foundry goods effectively by the Impurity removal in molten iron, improves inherent quality and the presentation quality of foundry goods.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the utility model running gate system schematic diagram.
The specific embodiment
(1) by glass die blank size, produce wooden mold base plate, comprise gating pattern, running channel mould, sprue mould and ingate mould on described wooden mold base plate, described running channel mould is spiral yarn shaped, and its one end is connected with gating pattern, and the other end is connected with sprue mould; Described running channel mould is positioned at sprue mould top, in the intersection of running channel mould and sprue mould, is provided with rising head mould, and rising head mould top is provided with venthole; Described ingate mould and sprue mould link together, and sprue mould exceeds ingate mould; Described sprue mould exceeds ingate mould 10-25mm.
(2) type mask is placed on wooden mold base plate, and inserts coal dust sand in the cavity volume of type frame;
(3) the type frame of inserting coal dust sand is overturn together with wooden mold base plate, remove wooden mold base plate, obtain running gate system and casting mold.
As shown in Figure 1, above-mentioned running gate system is formed by molding sand and wooden mold base plate, comprises cast gate 1, running channel 2, sprue 5 and ingate 7, and described running channel 2 is spiral yarn shaped, and its one end is provided with cast gate 1, and the other end is connected with sprue 5; Described running channel 2 is positioned at sprue 5 tops, in running channel 2 and the intersection of sprue 5, is provided with rising head 3, and rising head 3 tops are provided with venthole 4, between rising head 3 bottoms and sprue 5, are provided with screen pack 6; Described ingate 7 connects with sprue 5, and sprue 5 exceeds ingate 7, and general sprue 5 exceeds 10-25mm than ingate 5.
Described ingate 7 has a plurality of, and it all connects with sprue 5.Generally on sprue 5 both sides, an ingate 7 is respectively set respectively.
(4) molten iron of melting is poured into from cast gate 1, enter spiral yarn shaped running channel 2, when molten iron flow to rising head 3 place in spiral yarn shaped running channel 2, under the effect of inertia along rising head 3 spirals, after filtering, the screen pack 6 arranging through rising head 3 bottoms enters sprue 5, molten iron flows to ingate 7 through sprue 5 bottoms, finally enters in die cavity.
The process of twice slagging-off is as follows:
Molten iron pours into from cast gate 1, enter spiral yarn shaped running channel 2, when molten iron flow to rising head 3 place in spiral yarn shaped running channel 2, under the effect of inertia along rising head 3 spirals, now impurity can float when cast, after the screen pack 6 that the molten iron of bottom arranges through rising head 3 bottoms filters, enters sprue 5.Impurity in floating state can not flow to sprue 5, even if having the impurity of floating to flow to sprue 5 with molten iron or do not have the impurity of floating to flow to sprue 5 with molten iron, the screen pack 6 that rising head 3 bottoms arrange can be filtered, and plays the effect that removes the gred first.
Sprue 5 exceeds ingate 7, connecting with ingate 7 of sprue 5 bottoms, the speed that flows to sprue 5 due to molten iron is greater than the speed that the interior molten iron of sprue 5 flows to ingate 7, therefore, the liquid level of sprue 5 interior molten iron is by the liquid level higher than ingate 7 interior molten iron, impurity will float again like this, and molten iron flows in ingate 7 along sprue 5 bottoms.Equally, impurity floats over molten iron top, and the molten iron of sprue 5 inner bottom parts flows to ingate, thereby the impurity on top can not flow to ingate 7, plays secondary slagging-off effect.
(5), after cooling, remove chill loam core, type frame, and through sand removal, obtain glass die blank.
The utility model molten iron refers to the general designation of mother metal molten condition for casting.
Above-described embodiment limits the utility model never in any form, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection domain of the present utility model.
Claims (4)
1. a running gate system, comprises the cast gate, running channel, sprue and the ingate that by molding sand, are formed, it is characterized in that: described running channel is spiral yarn shaped, and its one end is provided with cast gate, and the other end is connected with sprue; Described running channel is positioned at sprue top, in the intersection of running channel and sprue, is provided with rising head, and rising head top is provided with venthole; Described ingate and sprue connect, and sprue exceeds ingate.
2. a kind of running gate system according to claim 1, is characterized in that: described sprue exceeds ingate 10-25mm.
3. a kind of running gate system according to claim 1, is characterized in that: between described rising head bottom and sprue, be provided with screen pack.
4. according to a kind of running gate system described in claim 1,2 or 3, it is characterized in that: described ingate has a plurality of, it all connects with sprue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570557.XU CN203437595U (en) | 2013-09-13 | 2013-09-13 | Gating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570557.XU CN203437595U (en) | 2013-09-13 | 2013-09-13 | Gating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203437595U true CN203437595U (en) | 2014-02-19 |
Family
ID=50088669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320570557.XU Expired - Lifetime CN203437595U (en) | 2013-09-13 | 2013-09-13 | Gating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203437595U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464687A (en) * | 2013-09-13 | 2013-12-25 | 常熟市精工模具制造有限公司 | Pouring system as well as novel casting method of glass mold |
| CN105689649A (en) * | 2016-04-28 | 2016-06-22 | 江苏锡华铸造有限公司 | Siphoning type deslagging gating system for casting |
| CN107716867A (en) * | 2017-09-29 | 2018-02-23 | 侯马市东鑫机械铸造有限公司 | A kind of casting method of swage for iron die sand casting process |
-
2013
- 2013-09-13 CN CN201320570557.XU patent/CN203437595U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464687A (en) * | 2013-09-13 | 2013-12-25 | 常熟市精工模具制造有限公司 | Pouring system as well as novel casting method of glass mold |
| CN105689649A (en) * | 2016-04-28 | 2016-06-22 | 江苏锡华铸造有限公司 | Siphoning type deslagging gating system for casting |
| CN107716867A (en) * | 2017-09-29 | 2018-02-23 | 侯马市东鑫机械铸造有限公司 | A kind of casting method of swage for iron die sand casting process |
| CN107716867B (en) * | 2017-09-29 | 2019-10-11 | 侯马市东鑫机械铸造有限公司 | A kind of casting method of the swage for iron die sand casting process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160905 Address after: 215500 E District, Chang Kun Industrial Park, Suzhou, Jiangsu, Changshou City Patentee after: CHANGSHU JINNUO PRECISION MOULD CO.,LTD. Address before: 215500, Jiangsu, Suzhou province Changshou City Sand Creek Town Hongshi Village Patentee before: Changshu Jinggong Mould Manufacturing Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |