CN103008557B - A kind of casting core assembly of compressor case and formative method - Google Patents
A kind of casting core assembly of compressor case and formative method Download PDFInfo
- Publication number
- CN103008557B CN103008557B CN201210550496.0A CN201210550496A CN103008557B CN 103008557 B CN103008557 B CN 103008557B CN 201210550496 A CN201210550496 A CN 201210550496A CN 103008557 B CN103008557 B CN 103008557B
- Authority
- CN
- China
- Prior art keywords
- core
- mud
- case
- inner chamber
- mud core
- 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
Abstract
The casting core assembly of compressor case and a formative method, it primarily of joining core at the bottom of case, its right end face benchmark mud core, left end face close mud core, middle external mold mud core and inner chamber mud core composition; Described formative method is: 1) form mud core, middle external mold mud core and inner chamber mud core by core box molding mode; 2) to make shaft centre line above core at the bottom of case, join case datum line and the external mold mud core position line joining; 3) joining case datum line of core delimitation at the bottom of case determine to join core print seat position of rule with length bar from joining, mount pad scale, draw the core position that falls of first inner chamber mud core, inner chamber mud core to fall core by length bar graduation position, and remaining inner chamber mud core control method is identical identical with first; 4) external mold mud core location is by joining case plane cutting mark, and the wall thickness formed between inside and outside core is directly measured and adjusted to accurately; 5) external mold mud core and inner chamber mud core replace the core fastening of falling; 6) accurate casting mold is formed after whole core assembly bolted after joining case.
Description
Technical field
What the present invention relates to is a kind of casting core assembly of compressor case and the formative method of core assembly, belongs to casting technology field.
Background technology
Casing is one of most important foundry goods in compressor, and complex structure, casting quality and dimension precision requirement are all very high.
Conventional casting methods: form foundry goods profile die cavity with natural pattern moulding, form inner chamber mud core with core box modelling, become sand mold die cavity by joining box-shaped, molten iron forms foundry goods after being poured into die cavity.
For casing casting, because its profile is very complicated, primary structure is multiple Surface forming and cross section gradual change, with traditional forging type moulding, molding and lower core need multiple die joint, cause external mold model incoherent, and wall thickness dimension cannot be measured and joining adjustment control in case process.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and provide a kind of model structure complete, join case can measure and core positional precision under adjustable, thus obtain smooth surface, size accurately and the formative method of the casting core assembly of the compressor case of premium casting and core assembly.
The object of the invention is to have come by following technical solution, the casting core assembly of a kind of compressor case of the present invention, it primarily of joining core at the bottom of case, its right end face benchmark mud core, left end face close mud core, middle external mold mud core and inner chamber mud core composition, described whole mud cores adopt core box molding mode to make according to the shape of compressor case respectively, close between mud core at described its right end face benchmark mud core and left end face and have two pieces of middle external mold mud cores at least, and have polylith inner chamber mud core in middle external mold mud core inner overlap.
Described middle external mold mud core has three pieces, has at least two pieces to be the overlapping external mold mud core of overlapped coremaking wherein in external mold mud core; Described its right end face benchmark mud core and left end face close in mud core also has that one piece overlapping with middle external mold mud core at least and overlapping end face that is that form closes mud core.
For a formative method for the casting core assembly of compressor case described above, this formative method comprises the steps:
1) form its right end face benchmark mud core according to the shape core box molding mode of compressor case, left end face close mud core, middle external mold mud core and inner chamber mud core;
2) to make shaft centre line above core at the bottom of case, join case datum line and the external mold mud core position line joining;
3) determine to join core print seat position of rule from joining joining on case datum line that core at the bottom of case delimit with length bar, mount pad scale, inner chamber mud core to fall core by length bar graduation position, and remaining inner chamber mud core control method is identical identical with first;
4) external mold mud core location is by joining case plane cutting mark, and the wall thickness formed between inside and outside core is directly measured and adjusted to accurately;
5) external mold mud core and inner chamber mud core replace the core fastening of falling;
6) accurate casting mold is formed after whole core assembly bolted after joining case.
In the step of described formative method:
In step 1), form an its right end face benchmark mud core according to the shape core box molding mode of compressor case, a left end face closes mud core, three middle external mold mud cores and nine inner chamber mud cores;
Step 2) in, while joining and making shaft centre line above case, join case datum line and the external mold mud core position line, No. 1 inner chamber mud core is being joined core that core at the bottom of case falls;
Step 3), 4), 5) in, the core that falls carrying out its right end face benchmark mud core is successively fixed, No. 2 inner chamber mud cores fall, and core fixes, external mold mud core falls in the middle of No. 1, and core is fixed, 3, No. 4 inner chamber mud cores fall, and core is fixed, until left end face close the core that falls of mud core fixing after all core assembly complete;
It is complete that the present invention has model structure, and moulding is joined case and can be measured and core positional precision under adjustable, thus obtain smooth surface, size accurately and the features such as premium casting.
Accompanying drawing explanation
Fig. 1 is one step schematic diagram in formative method of the present invention;
Fig. 2 is another road step schematic diagram in formative method of the present invention;
Fig. 3 is the another road step schematic diagram in formative method of the present invention;
Fig. 4 is the lower one step schematic diagram in formative method of the present invention;
Fig. 5 is the last one step schematic diagram in formative method of the present invention;
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 5, the casting core assembly of a kind of compressor case of the present invention, it primarily of joining core 1 at the bottom of case, its right end face benchmark mud core 2, left end face close mud core 3, middle external mold mud core 4 and inner chamber mud core 5 and form, described whole mud cores adopt core box molding mode to make according to the shape of compressor case respectively, close between mud core 3 at described its right end face benchmark mud core 2 and left end face and have two pieces of middle external mold mud cores 4 at least, and have polylith inner chamber mud core 5 at middle external mold mud core 4 internal superposition.
Described middle external mold mud core has three pieces, is respectively 1 extra mould mud core 41,2 extra mould mud core 42,3 extra mould mud core 43; Two pieces are had at least to be the overlapping external mold mud core (41,42,43) of overlapped coremaking wherein in external mold mud core 4; Described its right end face benchmark mud core 2 and left end face close in mud core 3 has at least one piece to be overlapping with middle external mold mud core 4 and overlapping end face that is that form closes mud core.Described inner chamber mud core 5 has nine pieces respectively, is respectively No. 1 inner chamber mud core 51, No. 2 inner chamber mud cores 52, No. 3 inner chamber mud cores 53, No. 4 inner chamber mud cores 54, No. 5 inner chamber mud cores 55, No. 6 inner chamber mud cores 56, No. 7 inner chamber mud cores 57, No. 8 inner chamber mud cores 58, No. 9 inner chamber mud cores 59.
The formative method of a kind of casting core assembly for compressor case described above of the present invention, this formative method comprises the steps:
1) form its right end face benchmark mud core 2 according to the shape core box molding mode of compressor case, left end face close mud core 3, middle external mold mud core 4 and inner chamber mud core 5;
2) to make shaft centre line 6 above core 1 at the bottom of case, join case datum line 7 and the external mold mud core position line 8 joining; As shown in Figure 1, No. 1 inner chamber mud core 51 is also had in figure;
3) join case datum line 7 extraction length bar determination coordinatometer position from what join that core 1 at the bottom of case delimit, install and join core print seat scale 9, inner chamber mud core 5 to fall core by length bar graduation position, and remaining inner chamber mud core 5 control method is identical with first; As shown in Figure 2, in figure, join core position length bar 11, No. 2 inner chamber mud cores 52 in addition, and No. 2 inner chamber mud core position scales 12;
4) external mold mud core location marks by joining case 1 plane cutting 10, and the wall thickness formed between inside and outside core is directly measured and adjusted to accurately; As shown in Figure 3, the plane cutting 10 shown in figure is 1 extra mould mud core 41 and this 1 extra mould mud core position (planar slot)
5) external mold mud core 4 and inner chamber mud core 5 replace the core fastening of falling; See shown in Fig. 4,5, shown in Fig. 4, have 3, No. 4 inner chamber mud core position scales 13, and 3, No. 4 inner chamber mud cores 53,54.
6) accurate casting mold is formed after whole core assembly bolted after joining case.
In the step of described formative method:
In step 1), form an its right end face benchmark mud core according to the shape core box molding mode of compressor case, a left end face closes mud core, three middle external mold mud cores and nine inner chamber mud cores, be respectively No. 1 inner chamber mud core 51, No. 2 inner chamber mud cores 52, No. 3 inner chamber mud cores 53, No. 4 inner chamber mud cores 54, No. 5 inner chamber mud cores 55, No. 6 inner chamber mud cores 56, No. 7 inner chamber mud cores 57, No. 8 inner chamber mud cores 58, No. 9 inner chamber mud cores 59.
Step 2) in, while joining and making shaft centre line above core 1 at the bottom of case, join case datum line and the external mold mud core position line, No. 1 inner chamber mud core is being joined core that case falls;
Step 3), 4), 5) in, the core that falls carrying out its right end face benchmark mud core is successively fixed, No. 2 inner chamber mud cores fall, and core fixes, external mold mud core falls in the middle of No. 1, and core is fixed, 3, No. 4 inner chamber mud cores fall, and core is fixed, until the core that falls of its right end face benchmark mud core fixing after all core assembly complete.
This patent makes that the dimensional measurement of casing casting process is controlled, mud core core box model structure is reliable, core assembly wall thickness is accurate.Thus ensureing that casing pipeline streamline-shaped is accurate, gas flow curved surface size is desirable, and guarantee machine performance, energy consumption meet designing requirement.
Embodiment:
One, all mud core forms:
1, its right end face benchmark mud core 2, left end face close mud core 3, middle external mold mud core 4; Wherein: the coremaking respectively of its right end face benchmark mud core 2,1 extra mould mud core 41,2 extra mould mud core 42,3 extra mould mud cores 43 and left end face close the overlapping moulding of mud core 3, and runner center line somatotype is pressed in inside, and housing does size restriction and specifies and locate.
Combination mud core is formed with screw rod locking after core assembly.
2, core box coremaking used respectively by nine inner chamber mud cores 5.
The core that falls one by one located by inner chamber core assembly position length bar, the position measurement of each mud core makes size accurately (wherein space, embedded core adjustable mud core shift position), fastening with under casing after accurate positioning.
Two, concrete formative method is:
1, form whole mud core by core box molding mode, comprise its right end face benchmark mud core 2, left end face closes mud core 3, middle external mold mud core 4 and inner chamber mud core 5;
2, make shaft centre line, join case datum line and the external mold mud core position line, as shown in Figure 1 joining core 1 at the bottom of case;
3, draw #2 core to fall core position from the case datum line of joining of joining core 1 at the bottom of case.Determine position with length bar and install to join core print seat scale, inner chamber mud core to fall core by length bar graduation position, and the control method of other inner chamber mud core is identical, sees shown in Fig. 2, Fig. 4;
4, the plane cutting mark by joining on case 1 located by external mold mud core 43, and the wall thickness formed between inside and outside core is directly measured and adjusted to accurately, as shown in Figure 3;
5, external mold mud core and inner chamber mud core replace the core fastening of falling, as shown in Figure 5;
6, accurate casting mold is formed after whole core assembly bolted after joining case.
Claims (3)
1. the casting core assembly of a compressor case, it primarily of joining core at the bottom of case, its right end face benchmark mud core, left end face close mud core, middle external mold mud core and inner chamber mud core composition, described whole mud cores adopt core box molding mode to make according to the shape of compressor case respectively, close between mud core at described its right end face benchmark mud core and left end face and have two pieces of middle external mold mud cores at least, and have polylith inner chamber mud core in middle external mold mud core inner overlap;
Described middle external mold mud core has three pieces, has at least two pieces to be the overlapping external mold mud core of overlapping compound coremaking successively wherein in external mold mud core; Described its right end face benchmark mud core and left end face close in mud core has at least one piece to be that the overlapping end face formed with the overlapping coremaking of middle external mold mud core closes mud core.
2., for a formative method for the casting core assembly of compressor case as claimed in claim 1, it is characterized in that this formative method comprises the steps:
1) form its right end face benchmark mud core according to the shape core box molding mode of compressor case, left end face close mud core, middle external mold mud core and inner chamber mud core;
2) to make shaft centre line above core at the bottom of case, join case datum line and the external mold mud core position line joining;
3) determine to join core print seat position of rule from joining joining on case datum line that core at the bottom of case delimit with length bar, mount pad scale, inner chamber mud core to fall core by length bar graduation position, and remaining inner chamber mud core control method is identical with first;
4) external mold mud core location is by joining core plane cutting mark at the bottom of case, and the wall thickness formed between inside and outside core is directly measured and adjusted to accurately;
5) external mold mud core and inner chamber mud core replace the core fastening of falling;
6) accurate casting mold is formed after whole core assembly bolted after joining case.
3. the formative method of the casting core assembly of compressor case according to claim 2, is characterized in that this formative method is:
In step 1), form an its right end face benchmark mud core according to the shape core box molding mode of compressor case, a left end face closes mud core, three middle external mold mud cores and nine inner chamber mud cores;
Step 2) in, while joining and making shaft centre line above core at the bottom of case, join case datum line and the external mold mud core position line, No. 1 inner chamber mud core is being joined core that core at the bottom of case falls;
Step 3), 4), 5) in, the core that falls carrying out its right end face benchmark mud core is successively fixed, No. 2 inner chamber mud cores fall, and core fixes, external mold mud core falls in the middle of No. 1, and core is fixed, 3, No. 4 inner chamber mud cores fall, and core is fixed, until left end face close the core that falls of mud core fixing after all core assembly complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550496.0A CN103008557B (en) | 2012-12-18 | 2012-12-18 | A kind of casting core assembly of compressor case and formative method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550496.0A CN103008557B (en) | 2012-12-18 | 2012-12-18 | A kind of casting core assembly of compressor case and formative method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103008557A CN103008557A (en) | 2013-04-03 |
| CN103008557B true CN103008557B (en) | 2016-04-13 |
Family
ID=47957971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210550496.0A Active CN103008557B (en) | 2012-12-18 | 2012-12-18 | A kind of casting core assembly of compressor case and formative method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103008557B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464680B (en) * | 2013-09-18 | 2015-08-05 | 苏州市通润机械铸造有限公司 | The integrated sand mould structure of helical-lobe compressor casing and manufacture using method thereof |
| CN104907497B (en) * | 2015-06-05 | 2016-11-30 | 共享装备有限公司 | The tiltedly outer multiple-core casting method of the type of pillar group foundry goods |
| CN105598382B (en) * | 2016-02-29 | 2018-09-18 | 共享装备股份有限公司 | Core assembly method |
| CN106001420B (en) * | 2016-07-29 | 2018-05-08 | 共享装备股份有限公司 | Casting mould and the method for controlling sand core location dimension |
| CN109332599A (en) * | 2018-11-14 | 2019-02-15 | 安徽应流集团霍山铸造有限公司 | A kind of localization method of multilayer sand core block longitudinal stack |
| CN109848371B (en) * | 2018-11-29 | 2021-04-02 | 奥夫尔科精铸机械（昆山）有限公司 | Compressor shell forming method and compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456062A (en) * | 2008-12-24 | 2009-06-17 | 苏州明志科技有限公司 | Core assembly and core assembling technique thereof |
| CN102000771A (en) * | 2010-12-17 | 2011-04-06 | 无锡德乾能源设备有限公司 | Casting method of grinding disc |
| CN102078924A (en) * | 2010-12-16 | 2011-06-01 | 无锡德乾能源设备有限公司 | Method for casting lower template beam steel casting |
| CN203018687U (en) * | 2012-12-18 | 2013-06-26 | 杭州杭氧铸造有限公司 | Casting core assembly of compressor shell |
-
2012
- 2012-12-18 CN CN201210550496.0A patent/CN103008557B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456062A (en) * | 2008-12-24 | 2009-06-17 | 苏州明志科技有限公司 | Core assembly and core assembling technique thereof |
| CN102078924A (en) * | 2010-12-16 | 2011-06-01 | 无锡德乾能源设备有限公司 | Method for casting lower template beam steel casting |
| CN102000771A (en) * | 2010-12-17 | 2011-04-06 | 无锡德乾能源设备有限公司 | Casting method of grinding disc |
| CN203018687U (en) * | 2012-12-18 | 2013-06-26 | 杭州杭氧铸造有限公司 | Casting core assembly of compressor shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103008557A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103008557B (en) | A kind of casting core assembly of compressor case and formative method | |
| CN104707939B (en) | The casting sand core of diesel engine cylinder cover | |
| CN102601318B (en) | Casting method for thin-wall annular cast | |
| CN101992272B (en) | Self-adaptive casting mould manufacture method for casting | |
| CN102166639B (en) | Integral precision casting method for large complicated thin-walled aluminum alloy cabin components | |
| CN203018687U (en) | Casting core assembly of compressor shell | |
| CN107745087B (en) | Sand core and its cold-box core shooting universal mold and manufacturing method | |
| CN101780525A (en) | Process for casting oil distribution disc of vane pump | |
| CN103100669B (en) | A kind of with flange casting bolt hole gate valve body composite pouring technique | |
| CN103506573A (en) | Casting method for complex sand core integrating | |
| CN103495705A (en) | Engine cylinder sand-core mold structure and modeling process thereof | |
| CN104826989A (en) | Method for casting diesel engine rack | |
| CN109604529A (en) | Casting technique fast verification method based on sand core 3D printing technique | |
| CN103551509B (en) | HXB2 axle box casting method | |
| CN102990011A (en) | Casting molding process of large hook body cast steel element for petroleum drilling machine | |
| CN105268925A (en) | Casting core assembly for disk type casting of air conditioning compressor and modeling method of casting core assembly | |
| CN103223471B (en) | Method for manufacturing medium-pressure outer cylinder spheroidal graphite iron casting of ultra-supercritical turbine | |
| CN204220934U (en) | A kind of many valve gated molds | |
| CN105537534A (en) | Cylinder cover with detecting and positioning steps and air passage detecting method | |
| CN106001435A (en) | Casting process for positioning by peripheral sand core positioning reference pieces and model thereof | |
| CN201543770U (en) | Multivalve segment jacket frame type sand core box | |
| CN105598384A (en) | Precoated sand casting method for submerged pump impeller | |
| CN110773707B (en) | Casting method of P-type blade | |
| CN201313153Y (en) | Novel composite model of flange fitting | |
| CN106270455A (en) | A kind of preparation method of large-scale vertical-parting self-curing mo(u)ld |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |