CN206047017U - For the running gate system of oxidizable band large-scale metal foundry goods - Google Patents
For the running gate system of oxidizable band large-scale metal foundry goods Download PDFInfo
- Publication number
- CN206047017U CN206047017U CN201621082168.2U CN201621082168U CN206047017U CN 206047017 U CN206047017 U CN 206047017U CN 201621082168 U CN201621082168 U CN 201621082168U CN 206047017 U CN206047017 U CN 206047017U
- Authority
- CN
- China
- Prior art keywords
- foundry goods
- oxidizable
- casting
- rising head
- scale metal
- 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
Abstract
The utility model discloses for the running gate system for oxidizable band large-scale metal foundry goods, belonging to material processing plant field.This utility model will solve existing Shower gating system because drain stock surface area is big, and oxidation is serious, is generally unsuitable for the technical problem of the casting of oxidizable band large-scale metal foundry goods.Cup described in the utility model is arranged on the top in upright casting road and connects upright casting road, cross gate is arranged on the side wall in upright casting road, by being distributed on connecting no less than 4 ingates between cross gate and rising head between cross gate and rising head, ingate is arranged at cross gate bottom, and 4 bottom of rising head is connected with casting mold cavity.This utility model is applied to the casting of oxidizable band large-scale metal foundry goods, is particularly well-suited to Zinc-base wear-resisting alloy with high tenacity and low expansion coefficient casting large-scale bulk foundry goods.
Description
Technical field
This utility model belongs to material processing plant technical field；It is particularly used for pouring for oxidizable band large-scale metal foundry goods
Injection system.
Background technology
Existing foundry engieering mainly adopts light-alloy casting method, most to adopt based on sand mould casting method, cast system
Unite as rising pouring open (standard 1175-1997), the technical disadvantages of the system are that pushing off the slag ability is poor, and molten metal consumes many, casts
It is unfavorable for cleaning after part shaping.
If foundry goods is too high, molten metal long-time and air contact in uphill process, surface easily generate oxide skin, not only
The effusion of gas in molten metal is hindered, deteriorates the quality of foundry goods upper surface, and oxide skin can be sticked on the type wall of both sides, affected
The surface quality of foundry goods.
High-temperature liquid metal enters the temperature difference caused by die cavity from bottom and leans on the temperature difference order that gravity feeding is formed conversely, institute
It is unfavorable for consecutive solidification and riser feeding to fill molten metal Temperature Distribution after type, it is easily overheated near ingate, cause shrinkage cavity, contracting
Pine rises slow, easy skinning, when foundry goods is higher, it is difficult to ensure that foundry goods is full of, easy shape with the defect such as thick, metal bath surface is crystallized
Into pouring less than defects such as, cold shuts.Therefore, bottom filling is not suitable for highly big, baroque foundry goods.
Shower gating system and be annular cast, because drain stock surface area is big, oxidation is serious, is generally unsuitable for
The casting of oxidizable band large-scale metal foundry goods.And due to being top pouring type casting, swash and splash serious, be not suitable for tall and big foundry goods.
The content of the invention
This utility model will solve existing Shower gating system because drain stock surface area is big, and oxidation is serious, general uncomfortable
For the technical problem of the casting of oxidizable band large-scale metal foundry goods；And provide the cast system for oxidizable band large-scale metal foundry goods
System.
For solve above-mentioned technical problem, the running gate system for oxidizable band large-scale metal foundry goods of the present utility model, including
Cup 1, cross gate 2, ingate 3 and rising head 4, upright casting road 6, cup 1 are arranged on the top in upright casting road 6 and connect upright casting road
6, cross gate 2 is arranged on the side wall in upright casting road 6, by being distributed between cross gate 2 and rising head 4 between cross gate 2 and rising head 4
Connect no less than 4 ingates 3, ingate 3 is arranged at 2 bottom of cross gate, and 4 bottom of rising head is connected with casting mold cavity.
The cup 1 is relative with 1 bottom face of cup in prism-frustum-shaped, the cross section in the upright casting road 6 of bottom connection is inverted
It should and be in rectangular-shape.
, in rectangular-shape, length is consistent with rising head 4, and width is consistent with rising head 4 for the cross gate 2.
The cross section of the ingate 3 is square.
The length of side of the cross section of the ingate 3 is more than 10mm, and less than the width of cross gate 2, aperture is too small oxidizable.
4 lower body part of the rising head is in prismatic table shape necking down structure.
This utility model adopts metal mold rain type casting system, and cross gate pushing off the slag effect is good, overcomes sand mold bottom filling
The shortcoming of pushing off the slag ability, molten metal consume it is excessive the shortcomings of.
This utility model adopts top pouring type pouring type, and from top to down, molten metal is divided into multiply liquid stream continuously to molten metal
Die cavity is fallen into, liquid level is enlivened, and exhaust and convenient both ensure that the effusion of gas in molten metal, and reduce the resistance of inclusion floating,
And will not stick on type wall, and do not make Surface Creation oxide skin.
This utility model adopts Shower gating system, molten metal can be equally distributed to each ingate, make foundry goods exist
Uniformity of temperature profile on same section, is avoided that foundry goods hot-spot phenomenon occur, and mold filling resistance is little and flow process is short, can be effective
Prevent cold shut and pour less than.
This utility model is applied to the casting of oxidizable band large-scale metal foundry goods, is particularly well-suited to high-strength toughness lower expanding zinc base resistance to
Break-in gold casting large-scale bulk foundry goods.
Description of the drawings
Fig. 1 is structural representation of the present utility model；Fig. 2 is the left view of Fig. 1；1 in figure --- cup, 2 --- it is horizontal
Running channel, 3 --- ingate, 4 --- rising head, 5 --- foundry goods, 6 --- upright casting road.
Specific embodiment
Specific embodiment one：Illustrate with reference to Fig. 1 and 2, present embodiment is that to be applied to ZA30-C high tough low swollen
A kind of running gate system of swollen zinc-base wear-resisting alloy, the shaping to flat base (900x700x220mm), described running gate system include
Cup 1, cross gate 2, ingate 3 and rising head 4, upright casting road 6, it is characterised in that cup 1 is arranged on the top in upright casting road 6 simultaneously
Connection upright casting road 6, cross gate 2 is arranged on the side wall in upright casting road 6, by being distributed on cross gate 2 between cross gate 2 and rising head 4
8 ingates 3 between rising head 4 are connected, and ingate 3 is arranged at 2 bottom of cross gate, and 4 bottom of rising head is connected with casting mold cavity
It is logical.
The cup 1 is relative with 1 bottom face of cup in prism-frustum-shaped, the cross section in the upright casting road 6 of bottom connection is inverted
It should and be in rectangular-shape.
, in rectangular-shape, length is consistent with rising head 4, and width is consistent with rising head 4 for the cross gate 2.
The cross section of the ingate 3 is square, and the length of side is 10mm.
4 lower body part of the rising head is in prismatic table shape necking down structure.
Present embodiment carries out the shaping of flat base (900x700x220mm) using Shower gating system, due to foundry goods
Size is larger, and the invention expands the surface area of ingate so that drain stock surface area reduces, so as to reduce the oxygen of molten metal
Change so that the running gate system is applied to the casting of kirsite.Shower gating system cross gate and ingate are all located on foundry goods
Just, as ingate is reasonable in design with foundry goods relative size, so sharp the splashing that molten metal inflow foundry goods causes can be ignored, so as to
The defect that Shower gating system is not suitable for tall and big foundry goods is overcome, while also ensuring that foundry goods consecutive solidification from bottom to top
Condition.
Present embodiment is applied to Zinc-base wear-resisting alloy with high tenacity and low expansion coefficient casting large-scale bulk foundry goods, and casting dimension is
900x700x220mm flat bases.
Molten metal is disposably injected using big crucible, it is ensured that pouring temperature carries out Zn- after the completion of preparing in intermediate alloy
Molten the matching somebody with somebody of Al (25%)-Cu (5%)-Co alloys.Alloy is molten with being carried out between 680～720 DEG C, in Zn liquations adds Al
And intermediate alloy, then carry out pouring into alloy.
Mold employs metal pattern (metal pattern is by made by 45# steel), shown in following Fig. 1 and 2.Cast adopts continuous one
Secondary to pour into a mould successfully, pouring temperature ensures that mould is preheated to 300 DEG C at 800 DEG C.Molten metal is injected from cup, is filled with cross gate
Afterwards, foundry goods is flowed into by ingate, molten metal is divided into multiply and is continuously injected into die cavity, forms consecutive solidification from bottom to top, due to
Running gate system has good feeding capacity, it is ensured that shrinkage porosite part top rising head goes out to be formed, it is ensured that the formation quality of foundry goods.
After casting complete, mould is cooled down during the water of room temperature is integrally put into, in order to ensure the compactness of foundry goods and cold
But sequentially, foundry goods will be classified and progressively be put in water, finally be cooled to the solidification that room temperature completes foundry goods.
Existing zinc alloy metal liquid condition shaping running gate system adopts bottom gating (standard 1175-1997), interior
Running channel is easily overheated, pushing off the slag ability, long with air contact time in liquid level uphill process, easily makes metal that oxidation occurs.
And this utility model adopts Shower gating system, liquid level to enliven, exhaust and convenient reduces the resistance of inclusion floating, not
Cause is sticked on type wall.
Existing Shower gating system is difficult to pour into a mould oxidizable, larger alloy-steel casting, and ingate size is little suitable
Together in cylindric thin-section casting.And the Shower gating system that this utility model is adopted is not only suitable for oxidizable molten metal (zinc
Alloy) cast, and also the size of foundry goods is also very big (900x700x220mm).As this utility model expands ingate surface
Product so that molten metal exhaust and convenient in casting process, foundry goods is fine and close, degree of oxidation is little.
(i.e. ZA30-C Zinc-base wear-resisting alloy with high tenacity and low expansion coefficient, the weight proportion of raw material components is ZA30-C zinc-containing alloys：
Zinc accounts for 55%-65%, aluminum and accounts for 20%-30%, intermediate alloy copper aluminum and account for 10%-15%, cobalt aluminum and accounts for 1%-2%；In wherein described
Between in alloyed copper aluminum copper and the weight ratio of aluminum be 1: 1；In the intermediate alloy cobalt aluminum, cobalt and the weight ratio of aluminum are 1: 10,
ZL200610010039.7 the tin bronze product widely applied in) being primarily directed to substitute market, in order to further improve performance,
Reduces cost, upgrading products.
1 zinc-containing alloy of table (patent declaration material) is compared with 663 tin bronze performance indications
| Sequence number | Performance indications | ZA30-C zinc-containing alloys | 663 tin bronzes |
| 1 | Density (g/cm3) | 4.8 | 8.8 |
| 2 | Tensile strength (MPa) | 350～370 | 250～270 |
| 3 | Yield strength (MPa) | 290～310 | 190～210 |
| 4 | Elongation percentage (%) | 6～8 | 4～6 |
| 5 | Hardness (HB) | 135～150 | 100～110 |
| 6 | Impact flexibility (J/cm2) | 19～21 | 10～13 |
| 7 | Coefficient of friction | 0.09～0.11 | 0.14～0.15 |
| 8 | Linear expansion coefficient | 17×10-6 | 18.1～18.5 × 10-6 |
| 9 | Friction rate (mm3N-1·M-1) | 1.21×10-9 | 1.68×10-9 |
As shown in Table 1, zinc-base wear-resisting alloy, not only intensity, plasticity are better than tin bronze, and coefficient of friction is little, in friction
The heat effect of generation is relatively also less, and the coefficient of expansion is low, good stability of the dimension.
Claims (6)
1. the running gate system of oxidizable band large-scale metal foundry goods, including cup (1), cross gate (2), ingate (3), rising head are used for
(4) and upright casting road (6), it is characterised in that cup (1) is arranged on the top in upright casting road (6) and connects upright casting road (6), cross gate
(2) it is arranged on the side wall in upright casting road (6), by being distributed on cross gate (2) and rising head (4) between cross gate (2) and rising head (4)
Between no less than the connection of 4 ingates (3), ingate (3) is arranged at cross gate (2) bottom, rising head (4) bottom and casting
Die cavity is connected.
2. the running gate system of oxidizable band large-scale metal foundry goods is used for according to claim 1, it is characterised in that the cup
(1) in inversion prism-frustum-shaped.
3. the running gate system of oxidizable band large-scale metal foundry goods is used for according to claim 1, it is characterised in that the cross gate
(2) in rectangular-shape, length is consistent with rising head (4), and width is consistent with rising head (4).
4. the running gate system of oxidizable band large-scale metal foundry goods is used for according to claim 1, it is characterised in that the ingate
(3) cross section is square.
5. the running gate system of oxidizable band large-scale metal foundry goods is used for according to claim 4, it is characterised in that the ingate
(3) length of side of cross section is more than 10mm, and less than the width of cross gate (2).
6. the running gate system of oxidizable band large-scale metal foundry goods is used for according to claim 1, it is characterised in that the rising head (4)
Lower body part is in prismatic table shape necking down structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621082168.2U CN206047017U (en) | 2016-09-26 | 2016-09-26 | For the running gate system of oxidizable band large-scale metal foundry goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621082168.2U CN206047017U (en) | 2016-09-26 | 2016-09-26 | For the running gate system of oxidizable band large-scale metal foundry goods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206047017U true CN206047017U (en) | 2017-03-29 |
Family
ID=58366745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621082168.2U Expired - Fee Related CN206047017U (en) | 2016-09-26 | 2016-09-26 | For the running gate system of oxidizable band large-scale metal foundry goods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206047017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523244A (en) * | 2021-07-09 | 2021-10-22 | 邯郸慧桥复合材料科技有限公司 | Solid-liquid composite casting method for weldable bimetal wear-resistant part |
-
2016
- 2016-09-26 CN CN201621082168.2U patent/CN206047017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523244A (en) * | 2021-07-09 | 2021-10-22 | 邯郸慧桥复合材料科技有限公司 | Solid-liquid composite casting method for weldable bimetal wear-resistant part |
| CN113523244B (en) * | 2021-07-09 | 2022-04-01 | 邯郸慧桥复合材料科技有限公司 | Solid-liquid composite casting method for weldable bimetal wear-resistant part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107159845A (en) | The casting system and its design method of a kind of elimination ZG35 valve casting defects | |
| CN207255168U (en) | A kind of casting system of elimination ZG35 valve castings defects | |
| CN201783634U (en) | Device for direct chill casting | |
| CN104827000B (en) | A kind of casting method of gear ring | |
| CN202239599U (en) | Molten iron filter sprue cup for sand faced iron mould casting | |
| CN206047017U (en) | For the running gate system of oxidizable band large-scale metal foundry goods | |
| CN108817327A (en) | Thin-walled frame casting one casts the casting method having more | |
| CN102764852B (en) | A kind of method of use V methods Foundry Production ultra-high manganese steel jaw | |
| CN208341659U (en) | A kind of mold of butterfly valve body | |
| CN202343868U (en) | Pouring gate structure for gravity casting of flexural zinc alloy casting | |
| CN104525869A (en) | A casting method of an ultrafine high-nickel-content air tube | |
| CN206382536U (en) | Thin-wall part die casting and die-cast formation equipment | |
| CN205032675U (en) | Improve die casting die that pit distributes | |
| CN208662472U (en) | Big belt wheel die for processing | |
| CN209238981U (en) | Bucket tooth precoated sand sand core | |
| CN207746381U (en) | A kind of aluminum alloy chassis hollow thin-wall fore sub frame metal gravity casting die | |
| CN201823887U (en) | Water-cooling metal mold for molding iron alloy | |
| CN212495215U (en) | Impeller precision casting gating system | |
| CN201324826Y (en) | Aluminum alloy die-cast pouring and arranging structure of engine suspension support | |
| CN110918893B (en) | Design method of flow-adaptive curve-shaped gravity pouring system | |
| CN209288211U (en) | A kind of mold for permanent mold casting | |
| CN202479471U (en) | Die-casting mould with whole charging barrel | |
| CN207239075U (en) | A kind of sand mould casting mould for automobile component | |
| CN2313687Y (en) | Sand mould for casting stainless steel flange | |
| CN104174817A (en) | Casting and heat-treating processes of climbing machine connecting seat of ocean platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20190926 |