CN208019398U - Counter-pressure casting pouring gate structure - Google Patents
Counter-pressure casting pouring gate structure Download PDFInfo
- Publication number
- CN208019398U CN208019398U CN201721907808.3U CN201721907808U CN208019398U CN 208019398 U CN208019398 U CN 208019398U CN 201721907808 U CN201721907808 U CN 201721907808U CN 208019398 U CN208019398 U CN 208019398U
- Authority
- CN
- China
- Prior art keywords
- running channel
- gate structure
- gap running
- counter
- casting
- 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 - Fee Related
Links
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model is related to counter-pressure casting pouring gate structure, counter-pressure casting pouring gate structure includes sprue, and the pouring gate structure further includes that the horizontal gap running channel poured into a mould for the end face to casting is connected to sprue.By the way that the horizontal gap running channel being connected to sprue is arranged, counter-pressure casting is applied on the casting with end face, make the feeding under stress of casting end face, improve the feeding capacity of casting end face area, the consistency of casting end face is improved simultaneously, the internal soundness that ensure that casting end face improves the interior tissue of casting end face.
Description
Technical field
The utility model is related to counter-pressure casting pouring gate structures.
Background technology
Large cylinder class and babinet class aluminium alloy castings are small because of aluminium alloy density at present, specific strength is high, aluminium alloy castings
Under conditions of same intensity, the weight of Aerospace Products can be substantially reduced, saves fuel, and it is wide on Aerospace Products
General application.
In view of requirement, the flange convenient for being fixedly connected generally can be all designed at the both ends of casting, due to such casting
The internal soundness of part is more demanding, the defects of being not allow for any loose, pin hole and impurity, currently used casting technique side
Method is counter-pressure casting.Such as the Chinese invention application that application publication number is CN106513631A, data of publication of application is 2017.03.22
File discloses a kind of molding pouring gate structure of counter-pressure casting, which includes drainage tube, and cross is connected on drainage tube
Running channel, in the outer end of each cross gate, there are one circular cross-runners for connection, and sprue is connected on circular cross-runner.By in circle
Cylinder surrounding using sprue come feeding casting, to easily the aluminium alloy of defect occur to some or magnesium alloy plays inhibiting effect,
The generation for the defects of avoiding segregation in casting process, loose, pin hole and impurity.
Flange section generally uses iron chill shock chilling or big riser feeding, as depicted in figs. 1 and 2, when using chill 2,
If the flange position of the wide either blocked up casting 1 of flange not enough or after Quench can not have Feeding channel because of feeding distance, lead
Casting 1 is caused loose or shrinkage cavity occur;When the surface quality of chill 2 is bad simultaneously, for example there are rust, hole etc. in 2 surface of chill, will
The defects of forming stomata or slag inclusion on the flange of casting 1, so using there is certain limitation when chill 2, while being also required to control
The quality for making chill 2 increases the difficulty and cost of production.When using 3 feeding flange of riser when, feeding sequence be from it is lower to
Upper feeding, and riser 3 is placed above casting 1, exactly the opposite with the feeding sequence of counter-pressure casting, counter-pressure casting is that bottom right is upward
By 4 feeding of vertical tube 5 and vertical seam, as shown in figure 3, the gap width of vertical seam 4 is b, gap thickness is a;If it is desired to riser 3 is allowed to rise
It being acted on to feeding, must just increase the size of riser 3 accordingly, the increase of 3 size of riser not only causes the waste of molten metal,
Increase the difficulty for removing riser 3;Meanwhile riser 3 is bigger, riser 3 and the contact thermal center of 1 contact position of casting and physics thermal center are just
It will increase, will appear overheat in riser and casting contact position, coarse crystal grain is formed, to influence the performance of casting.
Utility model content
The purpose of this utility model is to provide a kind of counter-pressure casting pouring gate structures, are cast with solving casting in the prior art
The flange of casting is susceptible to shrinkage porosite, slag inclusion, stomata or the coarse problem of grain structure when part.
To achieve the above object, the first technical solution of the utility model counter-pressure casting pouring gate structure is:Differential pressure is cast
It includes sprue to make with pouring gate structure, and the pouring gate structure further includes being connected to pour into a mould for the end face to casting with sprue
Horizontal gap running channel.
Second of technical solution of the utility model counter-pressure casting pouring gate structure be:It is used in the utility model counter-pressure casting
On the basis of the first technical solution of pouring gate structure, the pouring gate structure further includes that the vertical gap being connected to sprue is poured
Road, the vertical gap running channel are connected to horizontal gap running channel.Vertical gap running channel can pouring cast part but also to horizontal gap
Running channel conveying molten metal makes pouring gate structure without the vertical running channel for being connected to sprue with horizontal gap running channel is separately provided again
Become simple, reduces cost.
The third technical solution of the utility model counter-pressure casting pouring gate structure is:It is used in the utility model counter-pressure casting
On the basis of second of technical solution of pouring gate structure, the quantity of the horizontal gap running channel is at least two.
4th kind of technical solution of the utility model counter-pressure casting pouring gate structure be:It is used in the utility model counter-pressure casting
On the basis of the third technical solution of pouring gate structure, the vertical gap running channel is corresponded with horizontal gap running channel.It is multiple
Horizontal gap running channel is evenly distributed on casting end face, ensures that the end face of casting can be by the abundant feeding of molten metal to improve casting
The consistency of end face improves the performance of casting.
5th kind of technical solution of the utility model counter-pressure casting pouring gate structure be:It is used in the utility model counter-pressure casting
On the basis of the first of pouring gate structure to the 4th kind of any one technical solution, the horizontal gap running channel includes two layers, is used
Horizontal gap running channel in pouring cast part upper surface constitutes upper layer horizontal gap running channel, is used for the level of pouring cast part lower face
Gap running channel constitutes lower layer's horizontal gap running channel.Two layers horizontal gap running channel can to band there are two the casting of end face simultaneously into
Row cast.
6th kind of technical solution of the utility model counter-pressure casting pouring gate structure be:It is used in the utility model counter-pressure casting
On the basis of second of pouring gate structure to the 4th kind of any one technical solution, the horizontal gap running channel and vertical gap are poured
Road includes that circular flow channel part and being connected to circular flow channel part passes through for molten metal with the gap pouring section of pouring cast part.
Round running channel flows convenient for molten metal.
7th kind of technical solution of the utility model counter-pressure casting pouring gate structure be:It is used in the utility model counter-pressure casting
On the basis of 6th kind of technical solution of pouring gate structure, the round flow diameter of level and the vertical gap of the horizontal gap running channel
The ratio between vertical circular flow diameter of running channel is 0.9 ~ 1.It avoids end pressure inadequate, molten metal cannot be made to be sufficient filling with casting end
Face.
8th kind of technical solution of the utility model counter-pressure casting pouring gate structure be:It is used in the utility model counter-pressure casting
On the basis of 6th kind of technical solution of pouring gate structure, horizontal gap cast width and the vertical gap of the horizontal gap running channel
The ratio between vertical gap cast width of running channel is 0.8 ~ 0.9.Since pressure is gradually reduced from bottom to top, gap width reduction can
Ensure the filling capacity of molten metal.
9th kind of technical solution of the utility model counter-pressure casting pouring gate structure be:It is used in the utility model counter-pressure casting
On the basis of 6th kind of technical solution of pouring gate structure, horizontal gap cast thickness and the vertical gap of the horizontal gap running channel
The ratio between vertical gap cast thickness of running channel is 0.7 ~ 0.8.Gap thickness reduction can make molten metal enter casting mold faster.
The utility model has the beneficial effects that:By the way that the horizontal gap running channel being connected to sprue is arranged, by counter-pressure casting
It applies on the casting with end face, makes the feeding under stress of casting end face, improve the feeding capacity of casting end face area, together
When improve the consistency of casting end face, ensure that the internal soundness of casting end face, improve the interior tissue of casting, improve
The performance of casting.
Description of the drawings
The structural schematic diagram of flange forming when Fig. 1 is counter-pressure casting in the prior art;
Fig. 2 is the schematic cross-section in the directions A-A in Fig. 1;
Fig. 3 is the enlarged drawing at B in Fig. 1;
Fig. 4 is the structural schematic diagram of the utility model counter-pressure casting pouring gate structure.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the counter-pressure casting pouring gate structure of the utility model, as shown in figure 4, counter-pressure casting running channel knot
Structure includes ring gate 6 and is connected to vertical gap running channel 12 with ring gate 6, and vertical gap running channel 12 is communicated with for tubular
The horizontal gap running channel 11 that the flange of casting 1 is poured into a mould can also be separately provided ring gate 6 in other embodiments
The vertical running channel being connected to horizontal gap running channel 11, vertical running channel are not used in pouring cast part, are served only for horizontal gap running channel 11
Interior conveying molten metal;The quantity of vertical gap running channel 12 is ten and is uniformly distributed in the circumferential direction of ring gate 6 that horizontal gap is poured
Road 11 is corresponded with vertical gap running channel 12, in other embodiments, can be adjusted according to the diameter of tubular casting 1
The quantity of vertical gap running channel 12 and horizontal gap running channel 11.
In the present embodiment, the length of horizontal gap running channel 11 and flange are radial of same size, to ensure the every of flange
A part can feeding arrive, ensure the total quality of flange, in other embodiments, the length of horizontal gap running channel 11 also may be used
With less than flange in radial width;Horizontal gap running channel 11 includes being poured for the upper level of the upper flange of pouring cylinder shaped cast part 1
The lower horizontal running channel in road and lower flange for pouring cylinder shaped cast part 1, in other embodiments, if necessary to the tubular casting of cast
Part 1 only has one end to have flange, and upper horizontal running channel or lower horizontal running channel can also only be arranged.
In the present embodiment, the length of vertical gap running channel 12 be more than tubular casting 1 vertical direction length, in other realities
Apply in example, the length of vertical gap running channel 12 can also be equal to tubular casting vertical direction length;Vertical gap running channel 12
It is connected to including vertical circular runner section 4 and with vertical circular runner section 4 and passes through with the vertical seam of pouring cast part for molten metal
Gap pouring section 5, horizontal gap running channel 11 include horizontal round runner section 10 and are connected to confession with horizontal round runner section 10
Molten metal passes through with the horizontal gap pouring section 9 of pouring cast part, wherein the round runner section of level of horizontal gap running channel 11
10 diameter and the diameter ratio of the vertical circular runner section 4 of vertical gap running channel 12 are 0.9 ~ 1;Horizontal gap running channel 11
The ratio between the width of horizontal gap pouring section 9 and the width of vertical gap pouring section 5 of vertical gap running channel are 0.8 ~ 0.9;
The thickness of the thickness of the horizontal gap pouring section 9 of horizontal gap running channel 11 and the vertical gap pouring section 5 of vertical gap running channel
The ratio between degree is 0.7 ~ 0.8.
In the present embodiment, being radially equipped with ring gate center line and being connected to the horizontal of ring gate for ring gate 6 is poured
Road 7, the quantity of cross gate 7 are three, in other embodiments, the quantity of cross gate 7 can be one, two or four with
On;Each cross gate is equipped with the sprue 8 that each cross gate is flowed into for molten metal in the intersection of ring gate center line, in other realities
It applies in example, multiple sprues can also be set on each cross gate.
When implementation, the molten metal to be poured into a mould enters each cross gate 7 by sprue 8, enters ring gate from cross gate 7
6, the molten metal into ring gate 6 enters in each vertical gap running channel 12 under pressure, and molten metal is in vertical gap
Casting mold is carried out to the side wall of tubular casting 1 by vertical circular runner section 4 and vertical gap pouring section 5 in running channel 12,
He passes through horizontal round stream for molten metal in the upper layer horizontal gap running channel and lower layer's horizontal gap running channel of horizontal gap running channel 11
Road part 10 and horizontal gap pouring section 9 carry out casting mold to the flange of tubular casting 1.
In other embodiments, the cylinder in horizontal gap running channel and vertical gap running channel can be square tube;In other realities
It applies in example, the sprue flowed into for molten metal can be set directly on ring gate;In other embodiments, the pouring gate structure
Moulding by casting can also be carried out to the big planar structure of babinet class.
Claims (8)
1. counter-pressure casting pouring gate structure, including sprue, it is characterised in that:The pouring gate structure further includes being connected to sprue
For the horizontal gap running channel that the end face to casting is poured into a mould, the pouring gate structure further includes the vertical seam being connected to sprue
Gap running channel, the vertical gap running channel are connected to horizontal gap running channel.
2. counter-pressure casting pouring gate structure according to claim 1, it is characterised in that:The quantity of the horizontal gap running channel
It is at least two.
3. counter-pressure casting pouring gate structure according to claim 2, it is characterised in that:The vertical gap running channel and level
Gap running channel corresponds.
4. according to the counter-pressure casting pouring gate structure described in claim 1-3 any one, it is characterised in that:The horizontal gap
Running channel includes two layers, and the horizontal gap running channel for pouring cast part upper surface constitutes upper layer horizontal gap running channel, for pouring into a mould
The horizontal gap running channel of casting lower face constitutes lower layer's horizontal gap running channel.
5. according to the counter-pressure casting pouring gate structure described in claim 1-3 any one, it is characterised in that:The horizontal gap
Running channel and vertical gap running channel include circular flow channel part and be connected tos to pass through for molten metal with circular flow channel part and cast with pouring into a mould
The gap pouring section of part.
6. counter-pressure casting pouring gate structure according to claim 5, it is characterised in that:The level of the horizontal gap running channel
The ratio between circular flow channel diameter and the vertical circular flow diameter of vertical gap running channel are 0.9 ~ 1.
7. counter-pressure casting pouring gate structure according to claim 5, it is characterised in that:The level of the horizontal gap running channel
It is 0.8 ~ 0.9 that the ratio between width and the vertical gap cast width of vertical gap running channel are poured into a mould in gap.
8. counter-pressure casting pouring gate structure according to claim 5, it is characterised in that:The level of the horizontal gap running channel
It is 0.7 ~ 0.8 that the ratio between thickness and the vertical gap cast thickness of vertical gap running channel are poured into a mould in gap.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721907808.3U CN208019398U (en) | 2017-12-29 | 2017-12-29 | Counter-pressure casting pouring gate structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721907808.3U CN208019398U (en) | 2017-12-29 | 2017-12-29 | Counter-pressure casting pouring gate structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208019398U true CN208019398U (en) | 2018-10-30 |
Family
ID=63901259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721907808.3U Expired - Fee Related CN208019398U (en) | 2017-12-29 | 2017-12-29 | Counter-pressure casting pouring gate structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208019398U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107876736A (en) * | 2017-12-29 | 2018-04-06 | 洛阳乾中新材料科技有限公司 | Counter-pressure casting pouring gate structure and the casting counter-pressure casting method with the pouring gate structure |
CN109746418A (en) * | 2019-03-21 | 2019-05-14 | 贵州航天风华精密设备有限公司 | A kind of main body frame casting technique |
CN111446826A (en) * | 2020-04-02 | 2020-07-24 | 新盛世机电制品(中山)有限公司 | Automatic machining process of die-cast aluminum rotor of ceiling fan motor |
CN113560533A (en) * | 2021-08-02 | 2021-10-29 | 贵州航天风华精密设备有限公司 | Composite pouring system |
CN115401169A (en) * | 2022-08-30 | 2022-11-29 | 贵州安吉航空精密铸造有限责任公司 | Process method for filling large high-temperature alloy thin-wall casing support plate |
-
2017
- 2017-12-29 CN CN201721907808.3U patent/CN208019398U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107876736A (en) * | 2017-12-29 | 2018-04-06 | 洛阳乾中新材料科技有限公司 | Counter-pressure casting pouring gate structure and the casting counter-pressure casting method with the pouring gate structure |
CN109746418A (en) * | 2019-03-21 | 2019-05-14 | 贵州航天风华精密设备有限公司 | A kind of main body frame casting technique |
CN111446826A (en) * | 2020-04-02 | 2020-07-24 | 新盛世机电制品(中山)有限公司 | Automatic machining process of die-cast aluminum rotor of ceiling fan motor |
CN111446826B (en) * | 2020-04-02 | 2021-07-23 | 新盛世机电制品(中山)有限公司 | Automatic machining process of die-cast aluminum rotor of ceiling fan motor |
CN113560533A (en) * | 2021-08-02 | 2021-10-29 | 贵州航天风华精密设备有限公司 | Composite pouring system |
CN113560533B (en) * | 2021-08-02 | 2022-11-22 | 贵州航天风华精密设备有限公司 | Composite pouring system |
CN115401169A (en) * | 2022-08-30 | 2022-11-29 | 贵州安吉航空精密铸造有限责任公司 | Process method for filling large high-temperature alloy thin-wall casing support plate |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208019398U (en) | Counter-pressure casting pouring gate structure | |
CN207255168U (en) | A kind of casting system of elimination ZG35 valve castings defects | |
CN107876736A (en) | Counter-pressure casting pouring gate structure and the casting counter-pressure casting method with the pouring gate structure | |
CN107159845A (en) | The casting system and its design method of a kind of elimination ZG35 valve casting defects | |
CN104827000B (en) | A kind of casting method of gear ring | |
CN105081219B (en) | A kind of anti-lift-type evaporative pattern running gate system | |
CN201922023U (en) | Low-pressure casting mold for aluminum alloy wheel | |
CN110153371A (en) | Prevent the casting method of spherulitic iron crankshaft shrinkage defect | |
CN101618429A (en) | Method for casting hub casts of aerogenerators | |
CN106216601B (en) | The casting method of ore crusher cone class casting | |
CN106475522A (en) | The running gate system of heavy castings and pouring procedure | |
CN101966560B (en) | Bottom casting system of strip sectional inner runners | |
CN204171286U (en) | With the running gate system of multistage separable type cross gate | |
CN104325085A (en) | Gating system with multistage split transverse runners | |
CN207272104U (en) | It is a kind of be used to eliminating blackspot in nodular iron casting hole every sand cooling iron | |
CN101966559B (en) | Bottom casting system of ingate of circular cross section | |
CN204724801U (en) | Full width type belt pulley with groove casting mould | |
CN217095633U (en) | Multi-runner low-pressure casting slag discharging mold for hub | |
CN204413064U (en) | A kind of oil drilling pump crosshead die | |
CN201275597Y (en) | Feeding cast form of hollow casting | |
CN106216607B (en) | A kind of casting bottom pouring system | |
CN108468667A (en) | KT4 hydraulic valves and its processing technology | |
CN109226687A (en) | Annular cast is with type running gate system | |
CN209614144U (en) | A kind of running gate system of reducing gearbox sand core structure | |
CN201815626U (en) | Bottom pouring gating system with annular cross-sectioned ingate |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20211229 |
|
CF01 | Termination of patent right due to non-payment of annual fee |