CN202571175U - Casting system for mining machinery planet carrier casting element - Google Patents
Casting system for mining machinery planet carrier casting element Download PDFInfo
- Publication number
- CN202571175U CN202571175U CN 201220113445 CN201220113445U CN202571175U CN 202571175 U CN202571175 U CN 202571175U CN 201220113445 CN201220113445 CN 201220113445 CN 201220113445 U CN201220113445 U CN 201220113445U CN 202571175 U CN202571175 U CN 202571175U
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- Prior art keywords
- casting
- planet carrier
- cross gate
- mining machinery
- casting system
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Abstract
The utility model provides a casting system for a mining machinery planet carrier casting element. The casting system comprises a sand box, an inner pouring opening, a transverse pouring channel, a straight pouring channel, an outer pouring opening, an air outlet, a plurality of casting heads and a cavity. The casting system is characterized in that the transverse pouring channel is arranged on the lower portion of the sand box, the inner pouring opening is communicated with the bottom of the cavity, a breeding transverse pouring channel is arranged between the transverse pouring channel and the straight pouring channel, a transitional transverse pouring channel is disposed on the middle segment of the straight pouring channel, and the plurality of casting heads are evenly distributed on the upper portion of the cavity.
Description
Technical field
The utility model relates to a kind of casting system of mining machinery planet carrier foundry goods.
Background technology
Planet carrier is the important composition parts of large-scale mine coal pulverizer, not only requires will carry huge weight in the work also wear-resisting, heat-resisting, fatigue resistance.Than higher, it is proper to adopt the casting mode of bottom filling to pour into a mould according to the self structure design of this foundry goods to the requirement of product casting quality, yet; In traditional casting system, cross gate all is the middle part that is positioned at sandbox, and ingate is communicated with the middle part of foundry goods; Down gate directly is communicated with the cross gate of bottom, and this structure makes that the drop of casting liquid when cast is bigger, the flowing instability of casting liquid in cross gate; Can cause adverse effect to the quality of product; Add and put in traditional manufacture process, the rising head in the casting system all is to design at the foundry goods edge, and this structure rising head can not well play the effect of feeding in actual casting cycle; Make defectives such as the easy shrinkage porosite of main part, shrinkage cavity and the residue of foundry goods be too much, make product second-rate, yield rate is lower.
Summary of the invention
For solving above-mentioned technical problem, the utility model provides a kind of casting system that helps improving the quality of products, improve the mining machinery planet carrier foundry goods of finished product rate.
The technical scheme of the utility model is; A kind of casting system with mining machinery planet carrier foundry goods of following structure is provided, and it comprises sandbox, ingate, cross gate, sprue, pouring basin, gas outlet, a plurality of rising head, die cavity, it is characterized in that: cross gate is positioned at the bottom of sandbox; Ingate is communicated with the bottom of die cavity; Also be provided with between cross gate and the sprue and breed cross gate, the stage casing of sprue is provided with the transition cross gate, and a plurality of rising heads all are positioned at the top of die cavity and evenly distribute.
After adopting said structure, the utlity model has following advantage:
The cross gate that breeds that increases newly makes that casting liquid entering die cavity is more concentrated; More steady, the liquid level that in die cavity, rises just can be not disorderly, helps improving the quality of product yet; The position of rising head more rationally is difficult for producing too many oxidizing slag; In casting cycle, can in time dispel the heat, defectives such as shrinkage porosite, residue can effectively avoided or reduce to fluid infusion in time, accurately.
As improvement, rising head is an exothermic riser.Exothermic riser can at high temperature burn and guarantee that casting liquid remains high-temperature liquid state and can carry out feeding to foundry goods timely, has avoided the foundry goods hot-spot or has been heated inequality and the defectives such as shrinkage porosite that produce.
Description of drawings:
Fig. 1 is the front view of the casting system of the utility model mining machinery planet carrier foundry goods;
Fig. 2 is the part-structure sketch map of the casting system of the utility model mining machinery planet carrier foundry goods.
The specific embodiment:
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
Like Fig. 1, shown in Figure 2, the casting system of the utility model mining machinery planet carrier foundry goods, it comprises sandbox 1, ingate 2, cross gate 3, sprue 4, pouring basin 5, gas outlet 6, a plurality of rising head 7, die cavity 8; Cross gate 3 is positioned at the bottom of sandbox 1, and ingate 2 is communicated with the bottom of die cavity 8, between cross gate 3 and sprue 4, also is provided with and breeds cross gate 9; The stage casing of sprue 4 is provided with transition cross gate 10; The cross gate that breeds that increases newly makes that casting liquid entering die cavity is more concentrated, also more steady, and the liquid level that in die cavity, rises just can be disorderly; Help improving the quality of product; And a plurality of rising heads 7 all are positioned at the top of die cavity 8 and evenly distribute, and the position of rising head 7 more rationally is difficult for producing too many oxidizing slag, in casting cycle, can in time dispel the heat; Defectives such as shrinkage porosite, residue can effectively avoided or reduce to fluid infusion in time, accurately.
As corrective measure, rising head 7 is an exothermic riser.Exothermic riser can at high temperature burn and guarantee that casting liquid remains high-temperature liquid state and can carry out feeding to foundry goods timely, has avoided the foundry goods hot-spot or has been heated inequality and the defectives such as shrinkage porosite that produce.
Claims (2)
1. the casting system of a mining machinery planet carrier foundry goods; It comprises sandbox (1), ingate (2), cross gate (3), sprue (4), pouring basin (5), gas outlet (6), a plurality of rising head (7), die cavity (8); It is characterized in that: cross gate (3) is positioned at the bottom of sandbox (1); Ingate (2) is communicated with the bottom of die cavity (8); Also be provided with between cross gate (3) and the sprue (4) and breed cross gate (9), the stage casing of sprue (4) is provided with transition cross gate (10), and a plurality of rising heads (7) all are positioned at the top of die cavity (8) and evenly distribute.
2. the casting system of mining machinery planet carrier foundry goods according to claim 1 is characterized in that: rising head (7) is an exothermic riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113445 CN202571175U (en) | 2012-03-23 | 2012-03-23 | Casting system for mining machinery planet carrier casting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113445 CN202571175U (en) | 2012-03-23 | 2012-03-23 | Casting system for mining machinery planet carrier casting element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202571175U true CN202571175U (en) | 2012-12-05 |
Family
ID=47240627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220113445 Expired - Lifetime CN202571175U (en) | 2012-03-23 | 2012-03-23 | Casting system for mining machinery planet carrier casting element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202571175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601309A (en) * | 2012-03-23 | 2012-07-25 | 日月重工股份有限公司 | Casting system of planet carrier casting of mining machinery |
| CN103170580A (en) * | 2013-03-25 | 2013-06-26 | 上海宏钢电站设备铸锻有限公司 | Process for casting bearing base of gas compressor of combustion gas turbine and pouring system thereof |
-
2012
- 2012-03-23 CN CN 201220113445 patent/CN202571175U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601309A (en) * | 2012-03-23 | 2012-07-25 | 日月重工股份有限公司 | Casting system of planet carrier casting of mining machinery |
| CN103170580A (en) * | 2013-03-25 | 2013-06-26 | 上海宏钢电站设备铸锻有限公司 | Process for casting bearing base of gas compressor of combustion gas turbine and pouring system thereof |
| CN103170580B (en) * | 2013-03-25 | 2016-03-09 | 上海宏钢电站设备铸锻有限公司 | A kind of casting technique of gas turbine blower bearing block and running gate system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |