CN202963412U - External chiller and external chiller system - Google Patents
External chiller and external chiller system Download PDFInfo
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- CN202963412U CN202963412U CN 201220665279 CN201220665279U CN202963412U CN 202963412 U CN202963412 U CN 202963412U CN 201220665279 CN201220665279 CN 201220665279 CN 201220665279 U CN201220665279 U CN 201220665279U CN 202963412 U CN202963412 U CN 202963412U
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- external chill
- cooling medium
- chill
- external
- wall
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Abstract
The utility model provides an external chiller and an external chiller system. The external chiller comprises an external chiller wall and a cavity which is surrounded by the external chiller wall, the external chiller wall is provided with a cooling medium inlet and a cooling medium outlet which enable the cavity and the outside to be communicated. Cooling media can flow in the cavity so that the chilling capacity of the external chiller can be enhanced. Under the premise that an equivalent cooling effect is achieved, the size and the weight of the external chiller can be reduced appropriately so that placing and fixing can be convenient when the external chiller is used.
Description
Technical field
The utility model relates to casting field, in particular to a kind of external chill and external chill system.
Background technology
In casting process, foundry goods will experience liquid contraction, solidification shrinkage and three contraction processes of Solid State Contraction, this often causes shrinkage porosite or shrinkage cavity occurring at the position of foundry goods final set, the appearance of Shinkage and dispersed porosity has not only greatly reduced the mechanical property of foundry goods, to such an extent as to but also the compactness that has reduced foundry goods can not satisfy the casting quality that has pressure-resistant seal to require.
At present, address the above problem and normally adopt rising head and Chill measure.Chill can be accelerated the cooling of the local thermal center of foundry goods, realizes consecutive solidification or solidifies simultaneously principle, thereby solve the shrinkage porosite problem.Although present chill has stronger chill effect than sand mold, but for thick and large casting, common chill can not satisfy the needs of Quench, usually the chill size need to be strengthened, and large-sized chill often causes again chill to be difficult for fixing and location in casting mold.Be directed to the fixation problem of chill, application number is that 201020592904.5 Chinese patent application discloses a kind of hanging sand external chill, at this chill two ends, groove is set, the gusset of design energy hanging sand in groove, guaranteed the stable placement of chill in casting mold, although this design has solved the Placement Problems of chill, the chilling action of chill is not strengthened.Publication number is the casting method that the Chinese patent of CN101130206 discloses a kind of vermicular cast iron casting parts, wherein adopted the hollow chill of a kind of conformal, can strengthen the cavity part in the cooling of foundry goods part and last and foundry goods fusion formation foundry goods, but this chill can only use as internal densener, and the common chill of its Quench energy force rate equal volume is little.
The utility model content
The utility model aims to provide a kind of external chill and external chill system, has realized strengthening the effect of external chill Quench ability.
To achieve these goals, according to an aspect of the present utility model, a kind of external chill is provided, and external chill comprises external chill wall and the cavity that is surrounded by the external chill wall, has on the external chill wall cavity and the outside cooling medium inlet that is communicated with and cooling medium outlet.
Further, above-mentioned external chill is the setting external chill, and cooling medium inlet and cooling medium export air line distance 2 points farthest on the inwall that is arranged on the external chill wall or outer wall.
Further, above-mentioned external chill is the conformal external chill, and the conformal external chill has a plurality of sidewalls, the outlet of cooling medium inlet and cooling medium be arranged on a sidewall of external chill wall or two sidewalls on.
Further, above-mentioned external chill also comprises: the cooling medium input channel is tightly connected at cooling medium inlet place and external chill wall; The cooling medium output channel is tightly connected in cooling medium exit and external chill wall.
Further, above-mentioned cooling medium input channel and cooling medium output channel weld or are threaded with the external chill wall respectively.
Further, above-mentioned cooling medium input channel and cooling medium output channel are one-body molded with the external chill wall respectively.
Further, above-mentioned external chill also comprises layer of sand, layer of sand be arranged on the external chill wall on the surface of foundry goods.
According on the other hand of the present utility model, a kind of external chill system is provided, the external chill system comprises one or more above-mentioned external chills.
Further, above-mentioned external chill system comprises a plurality of external chills, and the cooling medium inlet of a plurality of external chills is communicated on same cooling medium input channel, and the outlet of the cooling medium of a plurality of external chills is communicated on same cooling medium output channel.
Further, above-mentioned external chill comprises setting external chill and/or conformal external chill.
Use the technical solution of the utility model, cooling medium can circulate in cavity, thereby has strengthened the Quench ability of external chill; And can suitably reduce size and the weight of external chill reaching under the prerequisite of suitable cooling effect, thereby make external chill be more convenient for laying and fixing when using.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation according to the external chill of a kind of embodiment of the present utility model;
Fig. 2 shows the structural representation according to the external chill of another kind of preferred embodiment of the present utility model, wherein shows core, die cavity and dead head;
Fig. 3 shows the structural representation according to the external chill system of a kind of preferred embodiment of the present utility model, wherein shows core, die cavity and dead head.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, in a kind of typical embodiment of the present utility model, a kind of external chill is provided, and this external chill comprises external chill wall 1 and the cavity that is surrounded by external chill wall 1, has on external chill wall 1 cavity and the outside cooling medium inlet that is communicated with and cooling medium outlet.
External chill with said structure, cooling medium can circulate in cavity, thereby has strengthened the Quench ability of external chill; And can suitably reduce size and the weight of external chill reaching under the prerequisite of suitable cooling effect, thereby be more convenient for external chill in use laying and fixing.Can be used for cooling medium of the present utility model and include but not limited to water, gas, cooling wet goods flow media.
As shown in Figure 2, in a kind of preferred embodiment of the present utility model, above-mentioned external chill is the setting external chill, and cooling medium inlet and cooling medium export air line distance 2 points farthest on the inwall that is arranged on external chill wall 1 or outer wall.In sand casting process, above-mentioned annular external chill is placed on position suitable in die cavity 6, in time takes away the heat that the foundry goods after cast discharges in this position process of setting, realize improving the purpose of chill effect; Farthest 2 of the air line distance that the outlet of cooling medium inlet and cooling medium is arranged on external chill wall 1 make cooling medium have large as far as possible flow process in the cavity of external chill, and cooling medium is fully used.
As shown in Figure 3, in another kind of preferred embodiment of the present utility model, above-mentioned external chill is the conformal external chill, and this conformal external chill has a plurality of sidewalls, the outlet of cooling medium inlet and cooling medium be arranged on a sidewall of external chill wall 1 or two sidewalls on.In sand casting process, above-mentioned conformal external chill is placed on the position suitable with die cavity 6, can in time takes away the heat that the foundry goods after cast discharges in this position process of setting, realize improving the purpose of chill effect; And cooling medium inlet and cooling medium are exported on the same sidewall that is arranged on external chill wall 1 or should increase as far as possible the flow process that cooling medium has on two sidewalls in the cavity of external chill, cooling medium is fully used.
As shown in Figure 1 to Figure 3, above-mentioned external chill also comprises cooling medium input channel 2 and cooling medium output channel 3, and cooling medium input channel 2 is tightly connected at cooling medium inlet place and external chill wall 1; Cooling medium output channel 3 is tightly connected in cooling medium exit and external chill wall 1.
Adopt cooling medium input channel 2 to be convenient to external chill is connected with cooling medium circulation system with cooling medium output channel 3; And in use, the effect of playing fixed support of 3 pairs of external chills of cooling medium input channel 2 and cooling medium output channel in sand mold reduced the deviation phenomenon of external chill in sand mold.
The cooling medium input channel 2 of above-mentioned external chill and cooling medium output channel 3 weld or are threaded with external chill wall 1 respectively.Wherein be threaded and be conducive to external chill and match from different cooling medium circulation system.
In order to simplify the production process of external chill, the cooling medium input channel 2 of preferred above-mentioned external chill and cooling medium output channel 3 are one-body molded with external chill wall 1 respectively.
The cooling medium input channel 2 of external chill of the present utility model and the making of cooling medium output channel 3 can be adopted common material to make and get final product, preferable alloy, pottery or refractory material.
As shown in Figure 2, in another preferred embodiment of the utility model, above-mentioned external chill also comprises layer of sand 4, layer of sand 4 be arranged on external chill wall 1 on the surface of foundry goods.Layer of sand 4 can effectively be avoided pouring into a mould the undue Quench foundry goods of starting stage external chill and cause the generation of crackle, and can prevent the too fast drawback of cooling medium intensification in cast starting stage external chill inside.
As shown in Figure 3, in the another kind of typical embodiment of the utility model, also provide a kind of external chill system, this external chill system comprises one or more above-mentioned external chills.Select suitable external chill or external chill system according to the shape of the foundry goods of casting, to realize the chilling action to foundry goods.
As shown in Figure 3, in another preferred embodiment of the present utility model, above-mentioned external chill system comprises a plurality of external chills, and the cooling medium inlet of a plurality of external chills is communicated on same cooling medium input channel 2, and the outlet of the cooling medium of a plurality of external chills is communicated on same cooling medium output channel 3.In the present embodiment, adopt same cooling medium input channel 2 to carry cooling medium to the external chill system, and adopt cooling medium after same cooling medium output channel 3 will absorb heat to transfer out the external chill system, namely realized the taking full advantage of of cooling medium, and simplified the structure of external chill system.
External chill system in above-described embodiment can be according to the different external chill of needs combination of foundry goods, and preferred above-mentioned external chill comprises setting external chill and/or conformal external chill.
Further illustrate the beneficial effects of the utility model below with reference to embodiment.
Employing annular external chill as shown in Figure 2 is as the external chill of embodiment 1, and take recirculated water as cooling medium, the material of annular external chill is cast iron, and by casting, appearance and size: external diameter Ф 270mm, internal diameter are Ф 240mm, high 80mm; Internal cavities size: external diameter Ф 260mm, internal diameter Ф 250mm, high 60mm; Heavy 5.5kg.It is that 10mm, wall thickness are that 2mm, length are the steel pipe of 120mm that cooling medium input channel and cooling medium output channel are external diameter, is connected with the external chill internal cavities by welding method.
During casting, according to as shown in Figure 2 structure, external chill is arranged to relevant position in sand mold, the cooling medium input channel is connected with circulation with the cooling medium output channel, the heat resistant joint ring sealing is adopted in the junction.To the interior injection molten metal of die cavity 6, ON cycle water after the cast beginning is by the circulating water chill by sprue gate 7.After casting, the foundry goods of acquisition is intact without shrinkage porosite.The recirculated water cooling external chill is compared with common external chill, and weight has reduced 58%.
Adopt as shown in Figure 3 external chill system as the external chill of embodiment 2, take air as cooling medium, the external chill that wherein is positioned at the bottom is annular external chill, appearance and size: external diameter Ф 350mm, internal diameter Ф 290mm, high 180mm; Internal cavities size: external diameter Ф 300mm, internal diameter Ф 250mm, high 140mm.Superposed external chill is the conformal chill, appearance and size: long 140mm, wide 60mm, the thickest size 25mm; Internal cavities size 100mm * 40mm * 10mm.It is 8mm that cooling medium input channel and cooling medium output channel are external diameter, and wall thickness is the steel pipe of 2mm, and is connected with the external chill inner chamber by welding method.
During casting, according to as shown in Figure 3 structure, above-mentioned external chill is placed on the relevant position of core in the coremaking process.But the medium input channel is connected with air pump, cooling medium output channel and environmental communication, and the heat resistant joint ring sealing is adopted in each junction.Pour into a mould after lower core, mould assembly, to the interior injection molten metal of die cavity 6, open air pump after the cast beginning, by the cooling chill of air by sprue gate 7.After casting, the foundry goods of acquisition is intact without shrinkage porosite.The air cooling external chill is compared with the common external chill of original employing, and weight has reduced 54%.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an external chill, is characterized in that, described external chill comprises external chill wall (1) and the cavity that is surrounded by described external chill wall (1), has on described external chill wall (1) described cavity and the outside cooling medium inlet that is communicated with and cooling medium outlet.
2. external chill according to claim 1, is characterized in that, described external chill is the setting external chill, and described cooling medium inlet and described cooling medium export air line distance 2 points farthest on the inwall that is arranged on described external chill wall (1) or outer wall.
3. external chill according to claim 1, it is characterized in that, described external chill is the conformal external chill, and described conformal external chill has a plurality of sidewalls, the outlet of described cooling medium inlet and described cooling medium be arranged on a sidewall of described external chill wall (1) or two sidewalls on.
4. external chill according to claim 1, is characterized in that, described external chill also comprises:
Cooling medium input channel (2) is tightly connected at described cooling medium inlet place and described external chill wall (1);
Cooling medium output channel (3) is tightly connected in described cooling medium exit and described external chill wall (1).
5. external chill according to claim 4, is characterized in that, described cooling medium input channel (2) and described cooling medium output channel (3) weld or are threaded with described external chill wall (1) respectively.
6. external chill according to claim 4, is characterized in that, described cooling medium input channel (2) and described cooling medium output channel (3) are one-body molded with described external chill wall (1) respectively.
7. the described external chill of any one according to claim 1 to 6, is characterized in that, described external chill also comprises layer of sand (4), described layer of sand (4) be arranged on described external chill wall (1) on the surface of foundry goods.
8. an external chill system, is characterized in that, described external chill system comprises the described external chill of any one in one or more claims 1 to 7.
9. external chill according to claim 8 system, it is characterized in that, described external chill system comprises a plurality of described external chills, and the cooling medium inlet of a plurality of described external chills is communicated on same cooling medium input channel (2), and the outlet of the cooling medium of described a plurality of external chills is communicated on same cooling medium output channel (3).
10. external chill according to claim 9 system, is characterized in that, described external chill comprises setting external chill and/or conformal external chill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665279 CN202963412U (en) | 2012-12-05 | 2012-12-05 | External chiller and external chiller system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665279 CN202963412U (en) | 2012-12-05 | 2012-12-05 | External chiller and external chiller system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202963412U true CN202963412U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665279 Expired - Lifetime CN202963412U (en) | 2012-12-05 | 2012-12-05 | External chiller and external chiller system |
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| CN (1) | CN202963412U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949618A (en) * | 2014-05-07 | 2014-07-30 | 沈阳工业大学 | Casting heat-recovery and temperature-control chilling block and cooling method of heat recovery |
| CN104550757A (en) * | 2014-12-30 | 2015-04-29 | 宁夏共享装备有限公司 | Cold iron and core rod combining device for casting of sand core of generator cylinder block and manufacturing method |
| CN108311657A (en) * | 2018-04-13 | 2018-07-24 | 芜湖久弘重工股份有限公司 | A kind of casting large-scale numerical control horizontal machining center lathe bed special type chill structure |
| CN113458353A (en) * | 2021-06-03 | 2021-10-01 | 共享装备股份有限公司 | Chilling mechanism for casting and casting method |
-
2012
- 2012-12-05 CN CN 201220665279 patent/CN202963412U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949618A (en) * | 2014-05-07 | 2014-07-30 | 沈阳工业大学 | Casting heat-recovery and temperature-control chilling block and cooling method of heat recovery |
| CN104550757A (en) * | 2014-12-30 | 2015-04-29 | 宁夏共享装备有限公司 | Cold iron and core rod combining device for casting of sand core of generator cylinder block and manufacturing method |
| CN108311657A (en) * | 2018-04-13 | 2018-07-24 | 芜湖久弘重工股份有限公司 | A kind of casting large-scale numerical control horizontal machining center lathe bed special type chill structure |
| CN108311657B (en) * | 2018-04-13 | 2020-10-13 | 芜湖久弘重工股份有限公司 | Special chilling block structure for casting large-scale numerical control horizontal machining center lathe bed |
| CN113458353A (en) * | 2021-06-03 | 2021-10-01 | 共享装备股份有限公司 | Chilling mechanism for casting and casting method |
| CN113458353B (en) * | 2021-06-03 | 2022-05-10 | 共享装备股份有限公司 | Chilling mechanism for casting and casting method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |