CN206200080U - Running gate system - Google Patents
Running gate system Download PDFInfo
- Publication number
- CN206200080U CN206200080U CN201621208808.XU CN201621208808U CN206200080U CN 206200080 U CN206200080 U CN 206200080U CN 201621208808 U CN201621208808 U CN 201621208808U CN 206200080 U CN206200080 U CN 206200080U
- Authority
- CN
- China
- Prior art keywords
- filter
- sprue
- gate system
- running gate
- ingate
- 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.)
- Active
Links
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a kind of running gate system, belong to casting technology field.The running gate system includes sprue cup, sprue and ingate, the two ends of the sprue are connected with the sprue cup and ingate respectively, the first filter is provided with the inwall of the sprue, the distance of center line of first filter away from the ingate is 100~300mm.Using running gate system of the present utility model, casting wasted product rate can either be reduced, yield rate can be improved again so that the production capacity of whole casting system gets a promotion.
Description
Technical field
The utility model is related to casting technology field, more particularly to a kind of running gate system.
Background technology
Casting be by pouring metal melt to part shape be adapted casting die cavity in, after after its cooled and solidified with obtain
The method of part or blank.Common defect has slag stomata, scab, burning into sand, sand holes, buckle, cold shut, shrinkage porosite and contracting in cast member
Hole etc..Frequently with filter filtration, purification molten metal in Foundry Production, to effective filter out the slag in molten metal, simplification is poured
Injection system, prevents cinder hole defect, improves mechanical castings, reduces casting machining allowance.
Existing running gate system is typically made up of sprue cup, sprue, cross gate and ingate.When running gate system is designed
It is necessary to ensure that running gate system has following effect：1st, molten metal is made steadily to be full of casting die cavity, not impingement wall and core,
Vortex and splash, non-involvement gas are not produced, and is discharged outside casting die cavity beneficial to by the air in casting die cavity and other gases；
2nd, stop that casting slag enters casting die cavity；3rd, acted on certain feeding etc..
Inventor's research discovery, the running gate system of rising head is replaced using sprue, while feeding effect is played to casting,
Have the following disadvantages, the running gate system is difficult to control to the flow velocity uniformity and temperature homogeneity of the molten metal for entering ingate, outward
Portion's air enters ingate easily by sprue, easily produces the product defectses such as cinder hole, cold shut so that the percent defective of casting is inclined
Height, yield rate is relatively low.
Utility model content
The utility model provides one kind and can either reduce casting wasted product rate, and the running gate system of yield rate can be improved again.
In order to solve the above technical problems, the utility model offer technical scheme is as follows：
A kind of running gate system, including sprue cup, sprue and ingate, the two ends of the sprue respectively with the cast gate
Cup and ingate connection, are provided with the first filter on the inwall of the sprue, first filter is away from the ingate
Center line distance be 100~300mm.
Further, it is located on the inwall of the sprue above first filter and is provided with the second filter,
The distance of top edge of second filter away from the sprue is not more than the 1/3 of the sprue overall length.
Further, the distance of top edge of second filter away from the sprue is the 1/ of the sprue overall length
10 to 1/4.
Further, the distance between second filter and described first filter are the 1/ of the sprue overall length
5 to 1/2.
Further, distance of first filter away from casting die cavity highest point is 50~100mm.
Further, the void density of first filter is 15~30ppi, the void density of second filter
Less than 15ppi.
Further, first filter is ceramic foam filter, and second filter is fibrous filter net, straight
Hole filter or ceramic foam filter.
Further, it is provided with the inwall of the sprue for fixing first filter and the second filter
Groove, resistance to guncotton or refractory mortar are provided between first filter and the second filter and groove.
Further, the angle between the upper side wall and lower wall of the groove and the madial wall of the sprue is
90°。
Further, the sprue is connected by two valve sand mold make-ups and is molded.
The utility model has the advantages that：
On the one hand, running gate system of the present utility model by sprue from top to bottom rationally set the first filter,
Second filter, when molten metal passes through the second filter, filtration fraction slag, while have adjusted the flow velocity of molten metal,
Molten metal is set to pass through safer and cleaning during the first filter.Afterwards when molten metal passes through the first filter, to molten metal
Flowing serves good rectification control action, slow control has been obtained in the flowing velocity of vertical direction, in sprue cross section side
To flowing velocity obtained uniformly, while the temperature of the molten metal of the first filter of also uniform outflow, and further hinder
Stop extraneous air to enter in ingate and casting die cavity by sprue, reach the speed entered in casting die cavity to molten metal
The uniform temperature of degree uniformly requires and prevents extraneous air from entering the requirement of casting die cavity, it is to avoid generation cinder hole, cold
Every the defect such as, shrinkage porosite and shrinkage cavity, product percent defective is reduced.
On the other hand, running gate system of the present utility model eliminates cross gate, can be realized in the case where rational space is arranged
One running gate system carries out cast simultaneously to more than one piece casting, foundry sand is reduced, while greatly improving the product of casting
Rate.Using running gate system of the present utility model, the production capacity of whole casting system is enabled to get a promotion.
To sum up, the utility model can either reduce casting wasted product rate, and yield rate can be improved again, while reducing energy consumption and original
Material consumption, improve production efficiency.
Brief description of the drawings
Fig. 1 is the cross-sectional view of running gate system of the present utility model；
Fig. 2 is the overlooking the structure diagram of the running gate system shown in Fig. 1；
Fig. 3 is the contrast schematic diagram of the percent defective that different filter types are produced.
Specific embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
The utility model provides a kind of running gate system, as shown in Figure 1 to Figure 2, including sprue cup 1, sprue 2 and ingate
6, the two ends of sprue 2 are connected with sprue cup 1 and ingate 6 respectively, and the first filter 5 is provided with the inwall of sprue 2, the
Center line of one filter 5 away from ingate 6 apart from h1 be 100~300mm.
Running gate system of the present utility model sets the (the present embodiment of the first filter 5 by the rational position in sprue
First filter 5 can be only set, as long as its intensity enough, need not temporarily set the second filter 4), to molten metal
Flowing serves good rectification control action, after molten metal flows out the first filter 5 in sprue, in the stream of vertical direction
Dynamic speed has obtained slow control, and the transversal flowing velocity towards direction has been obtained uniformly in sprue, while also uniform outflow
The temperature of the molten metal of the first filter 5, and further prevent extraneous air to enter ingate and casting by sprue
In die cavity, the uniform temperature of speed entered in casting die cavity to molten metal is reached and has uniformly required and prevent outside empty
Gas enters the requirement of casting die cavity, it is to avoid the defect such as generation cinder hole, cold shut, shrinkage porosite and shrinkage cavity, reduces product percent defective.
Additionally, running gate system of the present utility model eliminates cross gate, one can be realized in the case where rational space is arranged
Running gate system carries out cast simultaneously to more than one piece casting, foundry sand is reduced, while greatly improving the yield rate of casting.Adopt
Running gate system of the present utility model is used, enables to the production capacity of whole casting system to get a promotion.
Therefore, the utility model can either reduce casting wasted product rate, and yield rate can be improved again, while reducing energy consumption and original
Material consumption, improve production efficiency.
In the utility model, sprue 2 and ingate 6 can both be integrally formed, it is also possible to manufacture respectively, then by sprue
2 lower end is connected with ingate 6.In the present embodiment, the running gate system shown in Fig. 1 is that sprue 2 and ingate 6 are integrally formed
Structure.Ingate 6 also serves as riser neck simultaneously in running gate system of the present utility model.
Used as a kind of improvement of the present utility model, the top on the inwall of sprue 2 positioned at the first filter 5 is preferably provided with
There is the second filter 4, be not more than the overall length H of sprue 2 apart from h3 the 1/3 of top edge of second filter 4 away from sprue 2, it is excellent
Elect the 1/10 to 1/4 of the overall length H of sprue 2 as, such second filter 4 can play a part of preliminary rectification to molten metal, also
Buffer protection function can be played, prevents the first filter 5 from being poured broken and causing new impurity to enter casting die cavity 7, influence casting
The yield rate and mechanical performance of part.In order to reach optimal performance, it is preferred that between the second filter 4 and the first filter 5
Can be the 1/5 to 1/2 of the overall length H of sprue 2 apart from h2.
Further, the first filter 5 is preferably 50~100mm away from the highest point of casting die cavity 7 apart from h4.This is apart from model
Enclose and be able to ensure that running gate system of the present utility model has good feeding effect to casting.
Preferably, the void density of the first filter 5 can be 15~30ppi, and the void density of the second filter 4 is less than
15ppi, can be 10~15ppi.The void density of the first filter 5 that embodiment illustrated in fig. 1 is used is 30ppi, the second mistake
The void density of filter 4 is 15ppi.While rectification is carried out to molten metal, the second filter 4 was used for first filter 5
Heavy in section slag is filtered, the first filter 5 is used to filter the slag of small bore, makes the larger slag of sectional area difference at twice
Filtering, good filtration effect is conducive to cast to fill type；Filter is difficult to be blocked simultaneously, long service life.
In the utility model, the first filter 5 is preferably ceramic foam filter, and the second filter 4 is preferably fiber mistake
Filter screen, straight hole filter or ceramic foam filter.
The reduction of filter effect is caused to prevent filter from being fluctuated in sprue in casting process, is directly poured
It is preferably provided for fixing the groove of the first filter 5 and the second filter 4 on the inwall in road 2.And to prevent molten metal
Without the filtering of the first filter 5 and the second filter 4, directly between the first filter 5 and the second filter 4 and groove
Gap enter casting die cavity, that is, prevent the effluent of molten metal, be all provided between the first filter 5 and the second filter 4 and groove
It is equipped with resistance to guncotton 3 or refractory mortar closure molten metal passes through.Further, it is also possible to pass through controlling filter dimensional tolerance, make filtering
Clearance control between device and groove reduces the effluent of molten metal within 0.1-1mm.
As another improvement of the present utility model, between the upper side wall and lower wall of groove and the madial wall of sprue 2
Angle be 90 °, the effect of effluent is prevented to further function as.Certainly, in order to sprue 2 has stress concentration at groove
With the installation for being easy to filter, can be according to processing technology between the upper side wall and lower wall of groove and the madial wall of sprue 2
Carry out bevelling or fillet.
For the ease of installing the first filter 5, the second filter 4 and resistance to guncotton 3, sprue 2 can include two valve sand molds,
Treat by after on the first filter 5, the second filter 4 and the valve sand mold installed therein of resistance to guncotton 3 by the two valves sand mold make-up
Connection shaping.Certainly, the first filter 5, the second filter 4 and resistance to guncotton 3 can also be used in addition to above-mentioned mounting means
Those skilled in the art it is conceivable that other mounting means for meeting mentioned above principle, technical solutions of the utility model are not influenceed
Realization.
After running gate system of the present utility model is applied in turbocharger housing casting, yield rate when casting is nickelic part
It is 45-63%, 15-20% is improve than traditional running gate system；Yield rate when casting is heat resisting steel is 35-45%, than tradition
Running gate system improves 7-10%.And there is running gate system of the present utility model strict compact structure to design, and reduce sand
Iron ratio, so the precoated sand consumption of casting per ton reduces 20-30% during casting above two material, the yield rate of casting is improved
5-8%, integrated production capacity improves 30%, and property and energy consumption, spillage of material can reduce 10%, and integrated cost reduces 5-
20%.Fig. 3 gives the percent defective with casting when using traditional running gate system using running gate system of the present utility model, thus
Figure is as can be seen that relative to traditional running gate system, using running gate system of the present utility model, percent defective obtains high degree
Reduction.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (10)
1. a kind of running gate system, it is characterised in that including sprue cup, sprue and ingate, the two ends of the sprue are distinguished
Be connected with the sprue cup and ingate, be provided with the first filter on the inwall of the sprue, first filter away from
The distance of the center line of the ingate is 100~300mm.
2. running gate system according to claim 1, it is characterised in that first mistake is located on the inwall of the sprue
It is provided with the second filter above filter, the distance of top edge of second filter away from the sprue is not more than described
The 1/3 of sprue overall length.
3. running gate system according to claim 2, it is characterised in that top of second filter away from the sprue
The distance of edge is the 1/10 to 1/4 of the sprue overall length.
4. running gate system according to claim 2, it is characterised in that second filter and first filter it
Between distance be the 1/5 to 1/2 of the sprue overall length.
5. running gate system according to claim 2, it is characterised in that first filter is away from casting die cavity highest point
Distance is 50~100mm.
6. according to any described running gate system in claim 2 to 5, it is characterised in that the hole of first filter is close
It is 15~30ppi to spend, and the void density of second filter is less than 15ppi.
7. running gate system according to claim 6, it is characterised in that first filter is ceramic foam filter,
Second filter is fibrous filter net, straight hole filter or ceramic foam filter.
8. running gate system according to claim 6, it is characterised in that be provided with for fixing on the inwall of the sprue
The groove of first filter and the second filter, is provided between first filter and the second filter and groove
Resistance to guncotton or refractory mortar.
9. running gate system according to claim 8, it is characterised in that the upper side wall and lower wall of the groove are straight with described
Angle between the madial wall of running channel is 90 °.
10. running gate system according to claim 6, it is characterised in that the sprue is connected into by two valve sand mold make-ups
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208808.XU CN206200080U (en) | 2016-11-09 | 2016-11-09 | Running gate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208808.XU CN206200080U (en) | 2016-11-09 | 2016-11-09 | Running gate system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206200080U true CN206200080U (en) | 2017-05-31 |
Family
ID=58752096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621208808.XU Active CN206200080U (en) | 2016-11-09 | 2016-11-09 | Running gate system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206200080U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500211A (en) * | 2018-05-17 | 2018-09-07 | 西峡县众德汽车部件有限公司 | Silicon carbide filter device and the device for being used to prepare heat-resisting steel casting |
| CN108907105A (en) * | 2018-09-10 | 2018-11-30 | 杭州西子富沃德精密机械有限公司 | A kind of running gate system and pouring procedure of Capstan rotor casting |
| CN110180995A (en) * | 2019-05-29 | 2019-08-30 | 共享装备股份有限公司 | A kind of net filter used for casting and running gate system |
| CN114701060A (en) * | 2022-03-22 | 2022-07-05 | 华中科技大学 | Integral ceramic pouring and filtering system for casting and preparation method and application |
| CN116673438A (en) * | 2023-06-02 | 2023-09-01 | 北京隆源自动成型系统有限公司 | Ceramic pouring system formed by 3DP |
-
2016
- 2016-11-09 CN CN201621208808.XU patent/CN206200080U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500211A (en) * | 2018-05-17 | 2018-09-07 | 西峡县众德汽车部件有限公司 | Silicon carbide filter device and the device for being used to prepare heat-resisting steel casting |
| CN108907105A (en) * | 2018-09-10 | 2018-11-30 | 杭州西子富沃德精密机械有限公司 | A kind of running gate system and pouring procedure of Capstan rotor casting |
| CN108907105B (en) * | 2018-09-10 | 2024-05-28 | 杭州西子富沃德精密机械有限公司 | Casting system and casting method for traction machine rotor casting |
| CN110180995A (en) * | 2019-05-29 | 2019-08-30 | 共享装备股份有限公司 | A kind of net filter used for casting and running gate system |
| CN114701060A (en) * | 2022-03-22 | 2022-07-05 | 华中科技大学 | Integral ceramic pouring and filtering system for casting and preparation method and application |
| CN116673438A (en) * | 2023-06-02 | 2023-09-01 | 北京隆源自动成型系统有限公司 | Ceramic pouring system formed by 3DP |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206200080U (en) | Running gate system | |
| CN206605009U (en) | Annular cast running gate system | |
| CN102554130A (en) | Casting method for high-nickel austenite nodular cast iron exhaust manifold | |
| CN106141088A (en) | A kind of metal mold gravity casting method and casting mould | |
| CN204724802U (en) | Based on the belt pulley blank casting mould of symmetric form ingate | |
| CN101966560B (en) | Bottom casting system of strip sectional inner runners | |
| CN107042287A (en) | A kind of casting method of steam turbine high pressure main air valve casting | |
| CN212945301U (en) | Annular casting pouring gate system | |
| CN101966559B (en) | Bottom casting system of ingate of circular cross section | |
| CN208662448U (en) | The pedestal running gate system of rubber injection pressing shaper | |
| CN204724801U (en) | Full width type belt pulley with groove casting mould | |
| CN111687376A (en) | Bottom pouring cap structure | |
| CN106216607B (en) | A kind of casting bottom pouring system | |
| CN206716962U (en) | A kind of casting mould of heavv section Slab thin wall casting | |
| CN214321710U (en) | Pouring system for high-temperature alloy casting molding | |
| CN205217993U (en) | A the gating system for discoid foundry goods | |
| CN110586872B (en) | Casting system of hollow slab steel casting for valve and design method thereof | |
| CN212285779U (en) | Low-floor tram bogie integral axle bridge casting mould | |
| CN210146930U (en) | Riser-free pouring system | |
| CN201815626U (en) | Bottom pouring gating system with annular cross-sectioned ingate | |
| CN201815628U (en) | Bottom gating system with ingates in strip-shaped cross sections | |
| CN201249254Y (en) | Rising-hole brick with vortex vanes | |
| CN213613958U (en) | Casting model structure for reducing defects of product air holes and slag holes | |
| CN218926164U (en) | Pouring system for casting steel castings by using damp mould sand | |
| CN205032643U (en) | As cast pouring device of engine main bearing lid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |