CN114042871A - Gating system with compensation and deformation prevention effects - Google Patents
Gating system with compensation and deformation prevention effects Download PDFInfo
- Publication number
- CN114042871A CN114042871A CN202111337277.XA CN202111337277A CN114042871A CN 114042871 A CN114042871 A CN 114042871A CN 202111337277 A CN202111337277 A CN 202111337277A CN 114042871 A CN114042871 A CN 114042871A
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- casting
- ingate
- foundry goods
- shrinkage
- molten iron
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Links
- 230000000694 effects Effects 0.000 title claims abstract description 14
- 230000002265 prevention Effects 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000005266 casting Methods 0.000 claims abstract description 65
- 229910052742 iron Inorganic materials 0.000 claims abstract description 33
- 238000013021 overheating Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims description 14
- 230000007547 defect Effects 0.000 abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 5
- 230000000630 rising effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
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
-
- 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
- B22C9/086—Filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention relates to the technical field of casting equipment, in particular to a pouring system with the effects of compensation and deformation prevention. Including the foundry goods with set up the casting system in the foundry goods inboard, the shape of foundry goods is "door" or "U" shape, sets up the casting system of compriseing ingate and cross gate at the opening part of foundry goods, the ingate is connected at the both ends of cross gate and the junction is equipped with the overheated rising head, the ingate laminating is equipped with the molten iron export on the ingate that is located foundry goods bottom department and with the internal connection of foundry goods at the inner wall and the bottom of foundry goods. The blind riser is arranged at the joint of the cross pouring channel and the ingate, and the plurality of ingates disperse the pouring system for feeding molten iron, so that the local overheating of a casting mold is reduced, the temperature field in the casting mold is uniform, the cooling environment of a casting is improved, the matrix structure is more compact, and the defects of shrinkage cavity and shrinkage porosity of the casting are overcome.
Description
Technical Field
The invention relates to a pouring system, in particular to a pouring system with the effects of shrinkage and deformation prevention.
Background
In the production of the QT700-3 as-cast material quick connector, the conventional operation is to arrange bright chill at the hook body and the local hot spot position, and the defects of shrinkage cavity and shrinkage porosity are eliminated by the method.
However, this method has the following disadvantages: 1. the product has high material grade and large wall thickness difference, and even though the bright chill is arranged, the product has high material grade and special solidification characteristic, has large shrinkage tendency when a casting is cooled and solidified, can not completely supplement volume deficiency generated when molten iron shrinks, causes the defects of shrinkage cavity and shrinkage porosity of the casting, has incompact structure and unqualified nondestructive detection. 2. When the product has a special structure and is in a structure like a Chinese character 'men', the shrinkage stress is large when molten iron is cooled after pouring due to high material grade, and the stress is released strongly during stress relief heat treatment, so that a casting is easy to deform during cooling and heat treatment, the dimensional precision of the casting is reduced, and the casting does not meet the technical requirements.
Disclosure of Invention
The invention aims to solve the defects and provides a pouring system with the effects of compensation and deformation prevention.
In order to overcome the defects in the background art, the technical scheme adopted by the invention for solving the technical problems is as follows: the pouring system with the compensation and deformation prevention effects comprises a casting and a pouring system arranged on the inner side of the casting, wherein the casting is in a shape of a door or a U, the pouring system consisting of an ingate and a cross gate is arranged at the opening of the casting, the ingate is connected to the two ends of the cross gate, an overheating riser is arranged at the joint of the ingate, the ingate is attached to the inner wall and the bottom of the casting, and the ingate positioned at the bottom of the casting is provided with a molten iron outlet and is connected with the inside of the casting. After molten iron passes through the hot riser, the molten iron enters a cavity of a casting through a molten iron outlet on the ingate, and a plurality of ingates are designed on the ingate to disperse a pouring system for feeding the molten iron, so that the local overheating of the casting mould is reduced, a temperature field in the casting mould is uniform, the cooling environment of the casting is improved, the matrix structure is more compact, and the defect of shrinkage cavity and shrinkage porosity of the casting is overcome.
According to another embodiment of the invention, the middle part of the cross runner is vertically connected with the straight runner, 2 filtering devices are further arranged on the cross runner, and the molten iron filtering devices are arranged on the cross runner, so that the defects of oxide inclusion of the castings are reduced.
According to another embodiment of the invention, the filtering devices are positioned at two sides of the sprue inlet, molten iron flows to two sides and is filtered by the filtering devices at two sides, and therefore the defect of oxide inclusion of the castings is reduced.
According to another embodiment of the present invention, it is further included that the filtering means is a filter sheet fixed in the runner, and the cross-sectional diameter of the runner passage where the filter sheet is provided is increased, the increased cross-sectional area facilitating the flow of the molten iron.
According to another embodiment of the invention, the inner pouring gate is further provided with a joint column which is jointed with the inner wall of the casting, the joint column is tightly jointed with the inner wall of the casting to play a supporting role, and molten iron is filled into the whole inner pouring gate upwards, so that the temperature field in the casting mold is uniform, the cooling environment of the casting is improved, the matrix structure is more compact, and the defect of shrinkage cavity and shrinkage porosity of the casting is overcome.
According to another embodiment of the present invention, it further comprises that the number of the fitting posts is at least 2.
According to another embodiment of the invention, the overheating riser is positioned at the front end of the molten iron outlet on the ingate, and the molten iron enters the cavity through the ingate to be filled by the overheating riser.
The invention has the beneficial effects that: the casting system with the compensation and deformation prevention effects adopts a casting system that blind risers are arranged at the joints of cross runners and ingates, and a plurality of ingates are dispersed into molten iron, so that local overheating of a casting mold is reduced, a temperature field in the casting mold is uniform, a casting cooling environment is improved, a matrix structure is more compact, the shrinkage cavity and shrinkage porosity defects of the casting are overcome, and a molten iron filtering device is arranged on the cross runners, so that the oxidation and inclusion defects of the casting are reduced; on the other hand, the cross runners are arranged on the opening side of the door-shaped casting and are connected with the casting through the inner runners, so that the problem of structural deformation of the products can be solved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a top view of a gating system;
FIG. 3 is a schematic block diagram of a front view of the gating system;
FIG. 4 is a schematic view of the structure of the filter device;
FIG. 5 is a schematic view of the structure of the overheated riser and ingate;
wherein: 1. casting, 2, a casting system, 3, an ingate, 4, a cross gate, 5, an overheating riser, 6, a sprue, 7, a filtering device, 8, a bonding column, 9 and a filtering sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the casting device comprises a casting 1 and a casting system 2 arranged on the inner side of the casting 1, wherein the casting 1 is in a shape of a door or a U, the casting system 2 consisting of an ingate 3 and a cross runner 4 is arranged at an opening of the casting 1, the ingate 3 is connected to two ends of the cross runner 4, an overheating riser 5 is arranged at the connection part, the ingate 3 is attached to the inner wall and the bottom of the casting 1, and a molten iron outlet is arranged on the ingate 3 at the bottom of the casting 1 and is connected with the interior of the casting 1.
Wherein, the middle part of the horizontal pouring channel 4 is vertically connected with a straight pouring channel 6, and 2 filtering devices 7 are also arranged on the horizontal pouring channel 4. 2 filter equipment 7 are used for filtering the molten iron, reduce foundry goods oxidation inclusion defect.
Wherein, filter equipment 7 is located the both sides of sprue 6 entry, and the molten iron gets into by sprue 6, gets into the cross gate through sprue 6, flows to the both ends of cross gate, filters the molten iron through filter equipment 7 afterwards.
Wherein, filter equipment 7 is for fixing filter plate 9 in runner 4 to the cross section diameter of the runner passageway that is equipped with filter plate 9 department increases, and filter plate 9 snap-on is in the pipeline of runner 4, and the area of setting department increases, guarantees that the molten iron is smooth and easy to pass through.
Wherein, be equipped with the laminating post 8 of laminating at 1 inner wall of foundry goods on the ingate 3, laminating post 8 hugs closely on the inner wall of foundry goods, plays the supporting role, and the molten iron upwards is full of whole ingate for the temperature field is even in the casting mould, and the foundry goods cooling environment is improved, and the matrix structure is compacter, solves the foundry goods shrinkage cavity shrinkage porosity defect.
Wherein, the quantity of laminating post 8 is equipped with 2 at least.
Wherein, the overheating riser 5 is positioned at the front end of a molten iron outlet on the ingate 3, and the molten iron enters the cavity from the overheating riser through the ingate to be filled.
Examples
During pouring, molten iron enters the horizontal runners 4 through the sprue 6, and because the sprue 6 is located in the middle of the horizontal runners 4, the molten iron flows to the two ends of the horizontal runners 4 after entering, passes through a molten iron filtering device 7 arranged on the horizontal runners 4, filters scum and oxidation slag inclusion in the molten iron, and then the horizontal runners 4 enter the overheating riser 5 and enter the cavity through the ingate 3 to fill the mold. After the molten iron is filled, when the casting is cooled and solidified, the high-temperature molten iron in the overheating riser compensates the volume loss of the casting from pouring to solidification, so that shrinkage cavities and shrinkage porosity are formed in the overheating riser, and the defects of the shrinkage cavities and the shrinkage porosity in the casting are prevented. The gating system is connected with the two sides of the casting in a linear shape through the ingate by the cross runners at the opening side of the door-shaped structure of the product, and can prevent the shrinkage stress generated when the casting is cooled and solidified and the deformation caused by the stress release of the stress relief heat treatment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a gating system with benefit and anti-deformation effect, includes foundry goods (1) and sets up in the inboard gating system (2) of foundry goods (1), its characterized in that: the casting (1) is in a door shape or a U shape, a casting system (2) consisting of an ingate (3) and a cross gate (4) is arranged at an opening of the casting (1), the ingate (3) is connected to two ends of the cross gate (4) and is provided with an overheating riser (5) at a joint, the ingate (3) is attached to the inner wall and the bottom of the casting (1), and the ingate (3) positioned at the bottom of the casting (1) is provided with a molten iron outlet and is connected with the inside of the casting (1).
2. The runner system with the effect of shrinkage and deformation prevention according to claim 1, wherein: the middle part of the horizontal pouring channel (4) is vertically connected with the straight pouring channel (6), and the horizontal pouring channel (4) is also provided with 2 filtering devices (7).
3. The runner system with the effect of shrinkage and deformation prevention according to claim 2, wherein: the filtering devices (7) are positioned at two sides of the inlet of the sprue (6).
4. The runner system with the effect of shrinkage and deformation prevention according to claim 2, wherein: the filtering device (7) is a filter sheet (9) fixed in the cross gate (4), and the diameter of the cross section of the cross gate channel provided with the filter sheet (9) is increased.
5. The runner system with the effect of shrinkage and deformation prevention according to claim 1, wherein: and the inner pouring gate (3) is provided with a fitting column (8) which is fitted on the inner wall of the casting (1).
6. The runner system with the effect of shrinkage and deformation prevention according to claim 5, wherein: the number of the fitting columns (8) is at least 2.
7. The runner system with the effect of shrinkage and deformation prevention according to claim 1, wherein: the overheating riser (5) is positioned at the front end of a molten iron outlet on the ingate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337277.XA CN114042871A (en) | 2021-11-12 | 2021-11-12 | Gating system with compensation and deformation prevention effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111337277.XA CN114042871A (en) | 2021-11-12 | 2021-11-12 | Gating system with compensation and deformation prevention effects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114042871A true CN114042871A (en) | 2022-02-15 |
Family
ID=80208625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111337277.XA Pending CN114042871A (en) | 2021-11-12 | 2021-11-12 | Gating system with compensation and deformation prevention effects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114042871A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1058086A (en) * | 1996-08-27 | 1998-03-03 | Hitachi Metals Ltd | Structure for durable mold |
| CN103785794A (en) * | 2012-10-26 | 2014-05-14 | 陕西重型汽车有限公司 | Heavy truck leaf spring bracket mold plate assembly |
| CN104493095A (en) * | 2015-01-09 | 2015-04-08 | 宁波日星铸业有限公司 | Pouring system and pouring method of thin-wall casting |
| CN105642835A (en) * | 2016-01-20 | 2016-06-08 | 烟台新潮铸造有限公司 | Pouring method for eliminating oxidizing slag on working table casting |
| CN205393455U (en) * | 2016-03-10 | 2016-07-27 | 黄冈师范学院 | Shaft coupling foundry sand mould |
| CN205414322U (en) * | 2016-03-10 | 2016-08-03 | 黄冈师范学院 | Taper sleeve foundry sand mould |
| CN208131919U (en) * | 2018-05-10 | 2018-11-23 | 黄冈师范学院 | Bearing block resin sand mould |
| CN209491303U (en) * | 2018-12-22 | 2019-10-15 | 山西汤荣机械制造股份有限公司 | A kind of novel pouring system |
| CN110421124A (en) * | 2019-09-06 | 2019-11-08 | 大同煤矿集团有限责任公司 | A kind of casting and system of risers casting cast steel bracket |
| CN110538968A (en) * | 2019-09-16 | 2019-12-06 | 四川省金镭重工有限公司 | Steel casting U-shaped filtering type pouring system and laying method thereof |
| CN111318649A (en) * | 2020-04-15 | 2020-06-23 | 广西玉柴机器配件制造有限公司 | Iron mold sand-lined process space crossing type pouring system |
| CN213437029U (en) * | 2020-10-23 | 2021-06-15 | 齐齐哈尔重型铸造有限责任公司 | Vertical cross gate of placing filter screen |
| CN113441685A (en) * | 2021-07-02 | 2021-09-28 | 安徽合力股份有限公司合肥铸锻厂 | Tractor frame casting system and casting process |
-
2021
- 2021-11-12 CN CN202111337277.XA patent/CN114042871A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1058086A (en) * | 1996-08-27 | 1998-03-03 | Hitachi Metals Ltd | Structure for durable mold |
| CN103785794A (en) * | 2012-10-26 | 2014-05-14 | 陕西重型汽车有限公司 | Heavy truck leaf spring bracket mold plate assembly |
| CN104493095A (en) * | 2015-01-09 | 2015-04-08 | 宁波日星铸业有限公司 | Pouring system and pouring method of thin-wall casting |
| CN105642835A (en) * | 2016-01-20 | 2016-06-08 | 烟台新潮铸造有限公司 | Pouring method for eliminating oxidizing slag on working table casting |
| CN205393455U (en) * | 2016-03-10 | 2016-07-27 | 黄冈师范学院 | Shaft coupling foundry sand mould |
| CN205414322U (en) * | 2016-03-10 | 2016-08-03 | 黄冈师范学院 | Taper sleeve foundry sand mould |
| CN208131919U (en) * | 2018-05-10 | 2018-11-23 | 黄冈师范学院 | Bearing block resin sand mould |
| CN209491303U (en) * | 2018-12-22 | 2019-10-15 | 山西汤荣机械制造股份有限公司 | A kind of novel pouring system |
| CN110421124A (en) * | 2019-09-06 | 2019-11-08 | 大同煤矿集团有限责任公司 | A kind of casting and system of risers casting cast steel bracket |
| CN110538968A (en) * | 2019-09-16 | 2019-12-06 | 四川省金镭重工有限公司 | Steel casting U-shaped filtering type pouring system and laying method thereof |
| CN111318649A (en) * | 2020-04-15 | 2020-06-23 | 广西玉柴机器配件制造有限公司 | Iron mold sand-lined process space crossing type pouring system |
| CN213437029U (en) * | 2020-10-23 | 2021-06-15 | 齐齐哈尔重型铸造有限责任公司 | Vertical cross gate of placing filter screen |
| CN113441685A (en) * | 2021-07-02 | 2021-09-28 | 安徽合力股份有限公司合肥铸锻厂 | Tractor frame casting system and casting process |
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