CN101245791A - Method for die-casting compressor cylinder block - Google Patents
Method for die-casting compressor cylinder block Download PDFInfo
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- CN101245791A CN101245791A CNA2007100789417A CN200710078941A CN101245791A CN 101245791 A CN101245791 A CN 101245791A CN A2007100789417 A CNA2007100789417 A CN A2007100789417A CN 200710078941 A CN200710078941 A CN 200710078941A CN 101245791 A CN101245791 A CN 101245791A
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- frame
- core
- cylinder block
- diffuser
- exterior section
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Abstract
The invention provides a compressor cylinder body for a compressor impeller. The compressor cylinder body comprises a shell body which comprises an external part, a middle part and a central part. The middle part of the shell body forms an upper volution wall part used for the compressor cylinder body. The central part forms an inlet used for the compressor cylinder body. The compressor cylinder body also comprises a diffuser which comprises a central part, a base part and an external part. The central part of the diffuser is provided with an almost cylindrical external edge which is received in an almost cylindrical matched surface which is complementary with the central part of the shell body. The base part of the diffuser is provided with a lifting first match bulge which is used for being jointed with the first matching surface of the middle part of the shell body. The external part of the diffuser is provided with a lifting second match bulge which is used for being jointed with the second matching surface of the middle part of the shell body. The compressor cylinder body also comprises a back plate which is formed by an almost cylindrical structure. The base part of the diffuser is provided with a lower surface which is almost flat and used for being jointed with the upper surface of the back plate which is almost flat. The middle part of the shell body, the diffuser and the back plate form the volution wall part of the compressor cylinder body.
Description
Technical field
Present invention relates in general to be used for the compressor cylinder block of compressor impeller, relate more specifically to the compressor cylinder block that is made of frame and Diffuser, described frame and Diffuser are formed for the volute shape of compressor cylinder block together.
Background technique
Because the compressor outlet pipe is used for the cylinder of compressor body and is made by cast aluminium usually for adapting to the required volute shape of aerodynamic performance.Because the intrinsic geometrical stability of die-cast part, aluminium die casting is a kind of very ideal technology that is used to produce this cylinder block.U. S. Patent N0.6,193,463 disclose a kind of aluminum compressor cylinder block of die casting.
Summary of the invention
Compressor cylinder block is set for compressor impeller.Compressor cylinder block comprises frame, and this frame comprises exterior section, intermediate portion and core.The intermediate portion of frame is formed for the last volute wall portion of compressor cylinder block, and core is formed for the inlet of compressor cylinder block.Also be provided with Diffuser, it comprises core, base portion part and exterior section.The core of Diffuser has the outer rim of general cylindrical, and this outer rim is received in the general cylindrical matching surface complementary in the frame core.The Diffuser base portion partly has first engagement protrusion of rising, is used for engaging with first matching surface of frame intermediate portion.The Diffuser exterior section has second engagement protrusion of rising, is used for engaging with second matching surface of frame intermediate portion.Also be provided with backboard, it is formed by the cardinal principle round structure.The Diffuser base portion partly has substantially smooth lower surface, is used for engaging with the smooth upper surface of the cardinal principle of backboard.Frame intermediate portion, Diffuser and backboard form the volute wall portion of compressor cylinder block.
Description of drawings
In the accompanying drawing:
Fig. 1 is the cross section and perspective of compressor cylinder block assembly according to an embodiment of the invention;
Fig. 2 is the cross section and perspective of the frame of compressor cylinder block according to an embodiment of the invention;
Fig. 3 is the cross section and perspective according to one embodiment of the invention Diffuser foundry goods before machining;
Fig. 4 is the frame assembled before machining according to one embodiment of the invention and the cross section and perspective of Diffuser; With
Fig. 5 is the frame assembled after machining according to one embodiment of the invention and the cross section and perspective of Diffuser.
Embodiment
With reference to figure 1, compressor cylinder block illustrates with 15 generally according to an embodiment of the invention.Frame 10 is shown as overall structure, and the aluminum component by die casting constitutes usually.Although also can adopt traditional founding casting, frame 10 comprises exterior section 11, intermediate portion 13 and core 12.Core 12 is the general cylindrical form, so that air inlet 18 to be provided.Air outlet slit 16 comprises the end sections of the volute that is formed by compressor cylinder block assembly 15.
It is circular substantially that exterior section 11 seems structurally to be, and its peripheral surface 44 is towards the below.The internal surface 32 of frame intermediate portion 13 provides the outer wall of compressor cylinder block assembly 15 formed volutes.Frame intermediate portion 13 also comprises smooth substantially matching surface 34, its contiguous outer wall 32 location.Frame intermediate portion 13 also comprises the shelf shape matching surface 40 of contiguous outer wall 32.Frame core 12 further comprises inner housing matching surface 31, and in fact it be substantially circular, and forms recess or shelf on the internal surface of frame core 12.
Diffuser 20 is also formed by aluminum die casting structure usually, but also can be formed by the aluminum foundry goods by for example traditional founding casting of other modes.But die casting is the method for optimizing that forms Diffuser 20.Diffuser 20 comprises: core 22, and it structurally is general cylindrical; Divide 22 intermediate portions 24 that extend from central division.Diffuser 20 also comprises exterior section 25, and itself and Diffuser intermediate portion 24 are spaced apart in Fig. 1.Diffuser exterior section 25 provides volute inwall 33, the part of the volute structure that this volute inwall formation compressor cylinder block assembly 15 is provided.Diffuser exterior section 25 also comprises the engagement protrusion 38 of extending from volute inwall 33, with the matching surface 40 of splice enclosure body intermediate portion 13.In addition, Diffuser exterior section 23 has circumferential surface 42 on the smooth substantially circle, and it also engages the peripheral surface 44 of relative exterior section 11 downwards.
Diffuser intermediate portion 24 comprises first engagement protrusion 28, and this first engagement protrusion extends upward from the position of the formed volute inner wall part 26 of internal surface of contiguous Diffuser base portion part 24.The smooth matching surface 34 of cardinal principle of first engagement protrusion, the 28 splice enclosure body intermediate portions 13 of Diffuser 20 towards the below.
Backboard 14 is shown as smooth substantially platy structure, has circular substantially excircle.Backboard 14 neighboring edges 54 comprise the smooth upper surface 52 of cardinal principle of neighboring edge 54.The upper surface 52 of backboard 14 engages the lower surface 55 of Diffuser base portion part 24.Backboard 14 is made of the aluminum single piece of die casting basically self, but also can be formed by the aluminum foundry goods by traditional founding casting.
Fig. 2 with reference to the accompanying drawings, frame 10 are shown as aluminum die casting overall structure before fine finishing.Frame 10 comprises the core 12 of exterior section 11, intermediate portion 13 and general cylindrical.Core 12 forms air inlets 18, and outlet 16 is partly extended from frame 10 formed volutes.Intermediate portion 13 surface is within it gone up the outer wall 32 that forms volute.Exterior section 11 comprises downward peripheral surface 44.Intermediate portion 13 comprises shelf shape matching surface 40 and smooth substantially matching surface 34 on the either side of outer wall 32.Core 12 comprises the receiving surface 37 of shelf shape matching surface 31 and the in fact inside formation of general cylindrical.
With reference to figure 3, Diffuser 20 is shown as the integral die-cast structure.Although by aluminium die casting is the preferable production process of Diffuser 20, also can adopts traditional founding to cast and produce whole aluminum design.Diffuser 20 comprises exterior section 25, base portion part 24 and the core 22 of circular structure substantially.Core 22 is structurally cylindrical, the inlet engagement protrusion 29 that has outer wall 30 and extend from the end of outer wall 30.Transition portion 27 partly extends to Diffuser exterior section 25 from the Diffuser base portion, thereby forms whole Diffuser 20 with the form of as cast condition addition portion.Should be understood that Diffuser transition portion 27 removes by means of lathe in finishing operations, thereby Diffuser 20 is formed two separated structures.A structure is made of core 22 and base portion part 24, and another structure is made of Diffuser exterior section 25.
Diffuser exterior section 25 comprises smooth substantially peripheral surface 42.Contiguous peripheral surface 42 is upwardly extending engagement protrusion 38 and ends at projection 38.Volute inwall 33 is formed by the internal surface of Diffuser exterior section 25.Volute inwall 26 is formed by the apparent surface of Diffuser base portion part 24.At last, Diffuser core 22 ends at the inlet engagement protrusion 29 of the apical margin that forms Diffuser core 22.The outer wall 30 of Diffuser core 22 is structurally cylindrical.
With reference to figure 4, Diffuser 20 is assemblied in the frame 10.This assembling comprises that inlet engagement protrusion 29 engages against the matching surface 31 of cylinder block core 12.In addition, the smooth matching surface 34 of cardinal principle of first engagement protrusion, 28 splice enclosure body intermediate portions 13.Engagement protrusion 38 engages the shelf shape matching surface 40 of cylinder block intermediate portion 13.At last, the peripheral surface 42 of Diffuser exterior section 25 engages the peripheral surface 44 of cylinder block exterior section 11.These peripheral surface 42 and 44 are smooth basically in their engaging surface of complementation.
When Diffuser 20 was assembled in the frame 10, Diffuser transition portion 27 presented.With reference to embodiment shown in Figure 5, use such as the device of lathe and implement last fine finishing.Therefore, in Fig. 5, transition portion 27 has been removed.Therefore, Diffuser 20 is shown as and comprises integral part and the whole exterior section 25 that is made of core 22 and base portion part 24.The description that other parts of Diffuser 20 and frame 10 as above carry out Fig. 1.
Claims (31)
1. compressor cylinder block that is used for compressor impeller comprises:
Frame, it comprises exterior section, intermediate portion and core, described intermediate portion forms the last volute wall portion of compressor cylinder block, the described core formation inlet concentric with compressor impeller,
Diffuser, it comprises core, base portion part and exterior section, and described core has the outer rim of general cylindrical, and described outer rim is received in the general cylindrical matching surface of the complementation in the frame core,
Described Diffuser base portion partly has first engagement protrusion of rising, is used for engaging with first matching surface of the intermediate portion of frame,
Described Diffuser exterior section has second engagement protrusion of rising, is used for engaging with second matching surface of the intermediate portion of frame,
Described frame intermediate portion and Diffuser form the volute wall portion of compressor cylinder block.
2. according to the compressor cylinder block of claim 1, it is characterized in that described Diffuser core and base portion part are formed by the first single continuous structure, described Diffuser exterior section is formed by the second single continuous structure.
3. according to the compressor cylinder block of claim 1, also comprise backboard, described backboard is formed by the cardinal principle round structure with smooth basically upper surface, described Diffuser base portion partly has smooth basically lower surface, be used for engaging with the smooth basically upper surface of backboard, described backboard forms the following volute wall portion of compressor cylinder block.
4. according to the compressor cylinder block of claim 1, it is characterized in that the general cylindrical matching surface of described complementation is positioned on the inwall of frame core, and comprise the ridge frame that the upper limb of described Diffuser core is against engaging described ridge frame.
5. according to the compressor cylinder block of claim 1, it is characterized in that the upper limb of described Diffuser core is the cardinal principle round structure.
6. according to the compressor cylinder block of claim 1, it is characterized in that first matching surface of the intermediate portion of frame comprises smooth basically surface.
7. according to the compressor cylinder block of claim 1, it is characterized in that second matching surface of the intermediate portion of frame comprises the ridge frame, the upper limb of second engagement protrusion of the rising of described Diffuser exterior section is against engaging described ridge frame.
8. compressor cylinder block that is used for compressor impeller comprises:
Frame, it comprises exterior section, intermediate portion and core, wherein said core forms the inlet concentric with compressor impeller,
Diffuser, it comprises core, base portion part and exterior section, and described core has the outer rim of general cylindrical, and described outer rim is received in the general cylindrical matching surface of the complementation in the frame core,
Described Diffuser base portion partly has first engagement protrusion of rising, is used for engaging with first matching surface of the intermediate portion of frame,
Described Diffuser exterior section has second engagement protrusion of rising, is used for engaging with second matching surface of the intermediate portion of frame,
Wherein, described Diffuser core and base portion part are formed by first continuous structure, and described Diffuser exterior section is formed by second continuous structure,
Frame intermediate portion and Diffuser base portion part and exterior section form the volute wall portion of compressor cylinder block.
9. compressor cylinder block according to Claim 8, also comprise backboard, described backboard is formed by the cardinal principle round structure with smooth basically upper surface, described Diffuser base portion partly has smooth basically lower surface, be used for engaging with the smooth basically upper surface of backboard, described backboard forms the following volute wall portion of compressor cylinder block.
10. compressor cylinder block according to Claim 8 is characterized in that, the general cylindrical matching surface of described complementation is positioned on the inwall of frame core, and comprises the ridge frame, and the upper limb of described Diffuser core is against engaging described ridge frame.
11. compressor cylinder block according to Claim 8 is characterized in that, the upper limb of described Diffuser core is the cardinal principle round structure.
12. compressor cylinder block according to Claim 8 is characterized in that, first matching surface of the intermediate portion of frame comprises smooth basically surface.
13. compressor cylinder block according to Claim 8 is characterized in that, second matching surface of the intermediate portion of frame comprises the ridge frame, and the upper limb of second engagement protrusion of the rising of described Diffuser exterior section is against engaging described ridge frame.
14. an assembling is used for the method for the compressor cylinder block of compressor impeller, may further comprise the steps:
Frame is provided, and described frame comprises exterior section, intermediate portion and core, and wherein said core forms the inlet concentric with compressor impeller,
Diffuser is provided, and described Diffuser comprises core, base portion part and exterior section, and wherein said core has the outer rim of general cylindrical, and described outer rim is received in the general cylindrical matching surface of the complementation in the frame core,
Described Diffuser base portion partly has first engagement protrusion of rising, thereby engages with first matching surface of the intermediate portion of frame,
Described Diffuser exterior section has second engagement protrusion of rising, thereby engages with second matching surface of the intermediate portion of frame,
Described Diffuser core and base portion part are formed by first continuous structure, and described Diffuser exterior section is formed by second continuous structure,
Wherein, frame intermediate portion and Diffuser base portion part and exterior section form the volute wall portion of compressor cylinder block.
15. method according to the assemble compressible machine cylinder block of claim 14, also comprise backboard is provided, described backboard is formed by the cardinal principle round structure with smooth basically upper surface, described Diffuser base portion partly has smooth basically lower surface, be used for engaging with the smooth basically upper surface of backboard, described backboard forms the following volute wall portion of compressor cylinder block.
16. method according to the assemble compressible machine cylinder block of claim 14, it is characterized in that, the general cylindrical matching surface of described complementation is positioned on the inwall of frame core, and comprises the ridge frame, and the upper limb of described Diffuser core is against engaging described ridge frame.
17. the method according to the assemble compressible machine cylinder block of claim 14 is characterized in that, the upper limb of described Diffuser core is a round structure substantially.
18. the method according to the assemble compressible machine cylinder block of claim 14 is characterized in that first matching surface of the intermediate portion of frame comprises smooth basically surface.
19. the method according to the assemble compressible machine cylinder block of claim 14 is characterized in that second matching surface of the intermediate portion of frame comprises the ridge frame, the upper limb of second engagement protrusion of the rising of described Diffuser exterior section is against engaging described ridge frame.
20. an assembling is used for the method for the compressor cylinder block of compressor impeller, may further comprise the steps:
Frame is provided, and described frame comprises exterior section, intermediate portion and core, and wherein said core forms the inlet concentric with compressor impeller,
Diffuser is provided, and described Diffuser comprises core, base portion part and exterior section, and wherein said core has the outer rim of general cylindrical, and described outer rim is received in the general cylindrical matching surface of the complementation in the frame core,
Described Diffuser base portion partly has first engagement protrusion of rising, thereby engages with first matching surface of the intermediate portion of frame,
Described Diffuser exterior section has second engagement protrusion of rising, thereby engages with second matching surface of the intermediate portion of frame,
Described Diffuser is formed by the overall structure that comprises core, base portion part and exterior section, the described Diffuser of machining is to remove the material between base portion part and the exterior section, thereby form first continuous structure that comprises core and base portion part and second continuous structure that comprises exterior section
Wherein, frame intermediate portion and Diffuser base portion part and exterior section form the volute wall portion of compressor cylinder block.
21. method according to the assemble compressible machine cylinder block of claim 20, also comprise backboard is provided, described backboard is formed by the cardinal principle round structure with smooth basically upper surface, described Diffuser base portion partly has smooth basically lower surface, be used for engaging with the smooth basically upper surface of backboard, described backboard forms the following volute wall portion of compressor cylinder block.
22. method according to the assemble compressible machine cylinder block of claim 20, it is characterized in that, the general cylindrical matching surface of described complementation is positioned on the inwall of frame core, and comprises the ridge frame, and the upper limb of described Diffuser core is against engaging described ridge frame.
23. the method according to the assemble compressible machine cylinder block of claim 20 is characterized in that, the upper limb of described Diffuser core is a round structure substantially.
24. the method according to the assemble compressible machine cylinder block of claim 20 is characterized in that first matching surface of the intermediate portion of frame comprises smooth basically surface.
25. the method according to the assemble compressible machine cylinder block of claim 20 is characterized in that second matching surface of the intermediate portion of frame comprises the ridge frame, the upper limb of second engagement protrusion of the rising of described Diffuser exterior section is against engaging this ridge frame.
26. an assembling is used for the method for the compressor cylinder block of compressor impeller, may further comprise the steps:
Frame is provided, and described frame comprises exterior section, intermediate portion and core,
Diffuser is provided, and described Diffuser comprises core, base portion part and exterior section, and wherein said core is received in the general cylindrical matching surface of the complementation in the frame core,
Described Diffuser base portion partly has first matching surface, thereby engages with first matching surface of the intermediate portion of frame,
Described Diffuser exterior section has second matching surface, thereby engages with second matching surface of the intermediate portion of frame,
Described Diffuser is formed by the overall structure that comprises core, base portion part and exterior section, the described Diffuser of machining is to remove the material between base portion part and the exterior section, thereby form first continuous structure that comprises core and base portion part and second continuous structure that comprises exterior section
Wherein, frame intermediate portion and Diffuser base portion part and exterior section form the volute wall of compressor cylinder block.
27. method according to the assemble compressible machine cylinder block of claim 26, also comprise backboard is provided, described backboard is formed by the cardinal principle round structure with smooth basically upper surface, described Diffuser base portion partly has smooth basically lower surface, be used for engaging with the smooth basically upper surface of backboard, described backboard forms the following volute wall portion of compressor cylinder block.
28. method according to the assemble compressible machine cylinder block of claim 26, it is characterized in that, the general cylindrical matching surface of described complementation is positioned on the inwall of frame core, and comprises the ridge frame, and the upper limb of Diffuser core is against engaging described ridge frame.
29. the method according to the assemble compressible machine cylinder block of claim 26 is characterized in that, the upper limb of Diffuser core is a round structure substantially.
30. the method according to the assemble compressible machine cylinder block of claim 26 is characterized in that first matching surface of the intermediate portion of frame comprises smooth basically surface.
31. the method according to the assemble compressible machine cylinder block of claim 26 is characterized in that second matching surface of the intermediate portion of frame comprises the ridge frame, the upper limb of second engagement protrusion of the rising of Diffuser exterior section is against engaging described ridge frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100789417A CN101245791A (en) | 2007-02-16 | 2007-02-16 | Method for die-casting compressor cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100789417A CN101245791A (en) | 2007-02-16 | 2007-02-16 | Method for die-casting compressor cylinder block |
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| Publication Number | Publication Date |
|---|---|
| CN101245791A true CN101245791A (en) | 2008-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100789417A Pending CN101245791A (en) | 2007-02-16 | 2007-02-16 | Method for die-casting compressor cylinder block |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104024650A (en) * | 2012-01-05 | 2014-09-03 | 丰田自动车株式会社 | Azimuthal alignment of three parts of a compressor volute |
| CN104279191A (en) * | 2013-07-10 | 2015-01-14 | 曼·胡默尔有限公司 | Compressor Housing of Radial Compressor |
| CN112797030A (en) * | 2020-09-29 | 2021-05-14 | 宁波威孚天力增压技术股份有限公司 | Compressor with improved diffuser |
-
2007
- 2007-02-16 CN CNA2007100789417A patent/CN101245791A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104024650A (en) * | 2012-01-05 | 2014-09-03 | 丰田自动车株式会社 | Azimuthal alignment of three parts of a compressor volute |
| CN104024650B (en) * | 2012-01-05 | 2016-08-17 | 丰田自动车株式会社 | For accommodating the compressor housing of impeller |
| CN104279191A (en) * | 2013-07-10 | 2015-01-14 | 曼·胡默尔有限公司 | Compressor Housing of Radial Compressor |
| CN112797030A (en) * | 2020-09-29 | 2021-05-14 | 宁波威孚天力增压技术股份有限公司 | Compressor with improved diffuser |
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Open date: 20080820 |