CN105170809A - Method for manufacturing punching die of stator blade of gas compressor - Google Patents
Method for manufacturing punching die of stator blade of gas compressor Download PDFInfo
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- CN105170809A CN105170809A CN201510664298.0A CN201510664298A CN105170809A CN 105170809 A CN105170809 A CN 105170809A CN 201510664298 A CN201510664298 A CN 201510664298A CN 105170809 A CN105170809 A CN 105170809A
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- die
- stator blade
- end district
- lower profile
- tail end
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Abstract
The invention discloses a method for manufacturing a punching die of a stator blade of a gas compressor. The method comprises the following steps that firstly, a female die body is manufactured, and the reference dimension of the lower molded surface of a male die body and the reference dimension of the upper molded surface of an ejection block are obtained; secondly, at least five points are selected on the boundary line of the tail end area of the upper molded surface at equal intervals to serve as datum points, and at least five points are selected on each of the two boundary lines of the middle area of the lower molded surface at equal intervals to serve as datum points; thirdly, the male die body is manufactured, and measurement is conducted according to the datum points on the two boundary lines in the middle areas of the lower molded surface; and finally, according to the reference dimension of the upper molded surface, the head end area is removed by 0.1 mm, the middle area is removed by 0-0.3 mm, the ejection block is manufactured according to the modified dimension, and measurement is conducted according to the datum points on the boundary line in the tail end area. According to the method for manufacturing the punching die of the stator blade of the gas compressor, die manufacturing precision and production efficiency are improved.
Description
Technical field
The present invention relates to mechanical field, particularly the manufacture method of die cutting die, relate in particular to a kind of manufacture method of compressor stator blade die cutting die.
Background technology
Fig. 1 is a kind of structural representation of compressor stator blade, shown in Figure 1, described compressor stator blade 1 has thicker 11, the thinner tail end of the head end with arc, 12, blade root 13 and a blade tip end 14, there is a leaf back 101 and a leaf pelvic surface of sacrum 102 in addition, the thinnest part of described tail end 12 is only 0.15mm, and described blade root 13 is provided with two breach 131.Described compressor stator blade 1 adopts die-cut mode to carry out processing and manufacturing.Fig. 2 is the structural representation of the existing die cutting die for the manufacture of the compressor stator blade shown in Fig. 1, the cut-away section structural representation that Fig. 3 is die cutting die shown in Fig. 2, shown in Fig. 2-3, described die cutting die 2 comprises a base plate 21, be arranged on the die 22 on described base plate 21, the punch 23 that pump corresponding to described die 22, described die 22 is provided with die-cut die cavity 221, the jacking block 24 that can slide up and down is provided with in described die-cut die cavity 221, when die-cut, material extrudes by described punch 23 in described die-cut die cavity 221, the surrounding of described die-cut die cavity 221 is cut material, described punch 23 and described jacking block 24 carry out extruded to the material after cutting further, after punching and shaping completes, described jacking block 24 can eject the finished product processed described die-cut die cavity 221.
Because the profile of described compressor stator blade 1 is complicated, became uneven is even, therefore when upper profile 240 and the lower profile 230 of the described punch 23 of corresponding described leaf back 101 of the described jacking block 24 of correspondence described leaf pelvic surface of sacrum 102 coordinate there is deviation time, just can not well fit to material in blanking process, that is to say and can not well support material, just easily cause flush shear force uneven, thus cause section to tear, crackle, all kinds of defect such as collapse angle and overlap etc.
In addition, when described punch 23 is excessive with the fit clearance w of described die 22 (when being such as greater than 0.04mm), when equally easily causing die-cut, material causes section to tear because of stressed, crackle, all kinds of defect such as collapse angle and overlap etc.
Existing manufacture method is for manufacture described punch 23, described die 22 and described jacking block 24 respectively according to Theoretical Design size, and then in use in repairing adjustment, therefore whole set of die reaches best applying working condition needs the process that experience is longer.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of manufacture method of compressor stator blade die cutting die, to reduce or to avoid problem noted earlier.
For solving the problems of the technologies described above, the invention provides a kind of manufacture method of compressor stator blade die cutting die, described die cutting die comprises a base plate, be arranged on the die on described base plate, the punch that pump corresponding to described die, described die is provided with die-cut die cavity, is provided with the jacking block that can slide up and down in described die-cut die cavity, it comprises the steps
Steps A, manufactures described die according to the design size of described compressor stator blade, then measures the actual size of described die-cut die cavity;
Step B, according to the design size of described compressor stator blade, the actual size of the described die-cut die cavity utilizing steps A to obtain carries out frame choosing, thus obtain the leaf back of described compressor stator blade and the theoretical size of leaf pelvic surface of sacrum, that is to say the reference dimension obtaining the lower profile of described punch and the upper profile of described jacking block;
Step C, corresponding for described mo(u)ld top half face described compressor stator blade is divided into head end district, mesozone, tail end district, butt and tip, the region of distance included by the 1/7-1/8 of described tip length that the scope in described head end district inwardly moves in parallel in described most advanced and sophisticated side for sideline, described head end district, the region of distance included by the 1/6-1/8 of described tip length that the scope in described tail end district inwardly moves in parallel in described most advanced and sophisticated side for sideline, described tail end district; Corresponding described upper profile is divided into lower profile head end district, lower profile mesozone, lower profile tail end district, butt and tip equally in described lower profile, on the boundary line in described tail end district and two boundary lines of described lower profile mesozone, is then respectively taken to few 5 points at equal intervals as datum mark;
Step D, reference dimension according to the described lower profile of step B acquisition manufactures described punch, after manufacture completes, according to the described datum mark on two boundary lines of the described lower profile mesozone of step C acquisition, measure with the tolerance of H7/g6 in the scope of described datum mark to be center of circle radius be 0.01mm, as met, completing described punch manufacture, as do not met, continuing to do over again until meet the tolerance of H7/g6;
Step e, according to the reference dimension of the described upper profile that step B obtains, 0.1mm is removed in described head end district, 0-0.3mm is removed in described mesozone, and manufacture described jacking block according to amended size, after manufacture completes, according to the described datum mark on the boundary line in the described tail end district of step C acquisition, measure with the tolerance of H7/g6 in the scope of described datum mark to be center of circle radius be 0.01mm, as met, complete described jacking block manufacture, as do not met, continuing to do over again until meet the tolerance of H7/g6, so far completing the manufacture of described die cutting die.
Preferably, in stepb, inside to described leaf back and the theoretical size of described leaf pelvic surface of sacrum parallel indentation 0.01-0.02mm is obtained corresponding described lower profile and described upper profile reference dimension.
The manufacture method of a kind of compressor stator blade die cutting die provided by the present invention, the fit clearance of the profile and punch and die that solve drift, punch in traditional moulds manufacture needs in the problem of repeatedly repairing adjustment, improve Making mold precision and production efficiency, in addition the die-cut bead defective that blade easily causes because of its design feature is solved, the die-cut quality of blade is guaranteed, simultaneously, this manufacture method has made die cutting die for punching process character well, ensure that the stability of leaf product quality.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate invention and explain, does not limit scope of invention.Wherein,
Fig. 1 is a kind of structural representation of compressor stator blade;
Fig. 2 is the structural representation of the existing die cutting die for the manufacture of the compressor stator blade shown in Fig. 1;
The cut-away section structural representation that Fig. 3 is die cutting die shown in Fig. 2;
Fig. 4 is the principle schematic of the manufacture method of a kind of compressor stator blade die cutting die according to a specific embodiment of the present invention;
Fig. 5 is the plan structure schematic diagram of the jacking block of Fig. 4.
Detailed description of the invention
In order to the technical characteristic to invention, object and effect have understanding clearly, now contrast the detailed description of the invention that accompanying drawing illustrates invention.Wherein, identical parts adopt identical label.
Fig. 1 is a kind of structural representation of compressor stator blade; Fig. 2 is the structural representation of the existing die cutting die for the manufacture of the compressor stator blade shown in Fig. 1; The cut-away section structural representation that Fig. 3 is die cutting die shown in Fig. 2; Fig. 4 is the principle schematic of the manufacture method of a kind of compressor stator blade die cutting die according to a specific embodiment of the present invention; Fig. 5 is the plan structure schematic diagram of the jacking block of Fig. 4.Shown in Fig. 1-5, the invention provides a kind of manufacture method of compressor stator blade die cutting die, the manufacture method of existing described die cutting die 2 and the described die cutting die 2 that processes thereof are improved, thus improve manufacture efficiency and the service efficiency of described die cutting die 2, described die cutting die 2 comprises a base plate 21, be arranged on the die 22 on described base plate 21, the punch 23 that pump corresponding to described die 22, described die 22 is provided with die-cut die cavity 221, the jacking block 24 that can slide up and down is provided with in described die-cut die cavity 221, it comprises the steps,
Steps A, manufactures described die 22 according to the design size of described compressor stator blade 1, then measures the actual size of described die-cut die cavity 221;
Because the practical function of described die-cut die cavity 221 cuts material for utilizing its surrounding, therefore, it is plane that described die-cut die cavity 221 is actually an end face, cross section is a cavity consistent with the plane projection range size of described compressor stator blade 1, therefore, only need to utilize computer software business softwares such as () such as UG to calculate according to the design size of described compressor stator blade 1 the plane projection size obtaining described compressor stator blade 1, described die 22 can be gone out easily according to this plane projection dimensioned, the actual size of described die-cut die cavity 221 can be measured afterwards.
Step B, according to the design size of described compressor stator blade 1, the actual size of the described die-cut die cavity 221 utilizing steps A to obtain carries out frame choosing, thus obtain the leaf back 101 of described compressor stator blade 1 and the theoretical size of leaf pelvic surface of sacrum 102, that is to say the lower profile 230 and the reference dimension of the upper profile 240 of described jacking block 24 that obtain described punch 23;
Obtain the actual size of the actual described die-cut die cavity 221 produced in steps A after, based on this actual size, frame choosing can be carried out according to the design size of described compressor stator blade 1 easily on computer software (such as commercial UG software), thus obtain the leaf back 101 of described compressor stator blade 1 and the theoretical size of leaf pelvic surface of sacrum 102, the reference dimension of the namely corresponding lower profile 230 obtaining described punch 23 and the upper profile 240 of described jacking block 24.
Certainly, consider described jacking block 24 and described punch 23 manufacture process may occur overproof, also inside to described leaf back 101 and the theoretical size of described leaf pelvic surface of sacrum 102 parallel indentation 0.01-0.02mm can be obtained corresponding described lower profile 230 and described upper profile 240 reference dimension.
Step C, corresponding for described upper profile 240 described compressor stator blade 1 is divided into head end district 241, mesozone 242, tail end district 243, butt 244 and most advanced and sophisticated 245, the region of distance d1 included by the 1/7-1/8 of described most advanced and sophisticated 245 length d that the scope in described head end district 241 inwardly moves in parallel in described most advanced and sophisticated 245 sides for sideline, described head end district 241, can guarantee that described head end district 241 comprises the whole borderline region of the arc of described head end 11 like this, the region of distance d2 included by the 1/6-1/8 of described most advanced and sophisticated 245 length d that the scope in described tail end district 243 inwardly moves in parallel in described most advanced and sophisticated 245 sides for sideline, described tail end district 243, can guarantee that the thin-wall regions (thickness is within 3mm) of described tail end 12 is all included by described tail end district 243 like this.Corresponding described upper profile 240 is divided into lower profile head end district (not shown), lower profile mesozone (not shown), lower profile tail end district (not shown), butt 244 and most advanced and sophisticated 245 equally in described lower profile 230, then on the boundary line in described tail end district 243 and two boundary lines of described lower profile mesozone, few 5 points are respectively taken at equal intervals as datum mark (not shown)
Step D, reference dimension according to the described lower profile 230 of step B acquisition manufactures described punch 23, after manufacture completes, according to the described datum mark on two boundary lines of the described lower profile mesozone of step C acquisition, measure with the tolerance of H7/g6 in the scope of described datum mark to be center of circle radius be 0.01mm, as met, completing described punch 23 and manufacturing, as do not met, continuing to do over again until meet the tolerance of H7/g6.
Inventor is found by practice, carrying out measuring with the described datum mark on two boundary lines of described lower profile mesozone can the described lower profile 230 of described punch 23 that manufactures of more simple and convenient efficient inspection, namely whether described punch 23 entirety meets design requirement, in addition H7/g6 tolerance as standard make checkout procedure easier to described datum mark carry out measurement judge.
Step e, according to the reference dimension of the described upper profile 240 that step B obtains, 0.1mm is removed in described head end district 241,0-0.3mm is removed in described mesozone 242, and manufacture described jacking block 24 according to amended size, after manufacture completes, according to the described datum mark on the boundary line in the described tail end district 243 of step C acquisition, measure with the tolerance of H7/g6 in the scope of described datum mark to be center of circle radius be 0.01mm, as met, completing described jacking block 24 and manufacturing, as do not met, continuing to do over again until meet the tolerance of H7/g6.So far the manufacture of described die cutting die 2 is completed.
0-0.3mm is removed in described mesozone 242, and ensure described mesozone 242 respectively with described head end district 241 and described tail end district 243 rounding off, described head end district 241 is continued remove 0.1mm, can guarantee in blanking process, described tail end district 243 first forms support, namely first cuts off tail end 12 described in an edge forming the weakest, if avoid material thickness edge to participate in die-cut simultaneously to material, because edge thickness is different when die-cut, cause the uneven featheredge crimping caused of flush shear force.So just can guarantee that described tail end 12 does not produce crimping.Can guarantee in blanking process in addition, described tail end district 243 first contacts with material with described head end district 241, thus ensures that the laminating in described head end district 241 and described tail end district 243 is tight.
Inventor is found by practice, carrying out measuring with the described datum mark on the boundary line in described tail end district 243 can the described upper profile 240 of described jacking block 24 that manufactures of more simple and convenient efficient inspection, namely whether described jacking block 24 entirety meets design requirement, in addition H7/g6 tolerance as standard make checkout procedure easier to described datum mark carry out measurement judge.
The manufacture method of a kind of compressor stator blade die cutting die provided by the present invention, the fit clearance of the profile and punch and die that solve drift, punch in traditional moulds manufacture needs in the problem of repeatedly repairing adjustment, improve Making mold precision and production efficiency, in addition the die-cut bead defective that blade easily causes because of its design feature is solved, the die-cut quality of blade is guaranteed, simultaneously, this manufacture method has made die cutting die for punching process character well, ensure that the stability of leaf product quality.
Although it will be appreciated by those skilled in the art that invention is what to be described according to the mode of multiple embodiment, not each embodiment only comprises an independently technical scheme.So describe in description be only used to clear for the purpose of; description should integrally be understood by those skilled in the art, and regards technical scheme involved in each embodiment as the mode that mutually can be combined into different embodiment to understand the protection domain of invention.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present invention and principle, amendment and combination, all should belong to the scope of protection of the invention.
Claims (2)
1. the manufacture method of a compressor stator blade die cutting die, described die cutting die comprises a base plate, be arranged on the die on described base plate, the punch that pump corresponding to described die, described die is provided with die-cut die cavity, is provided with the jacking block that can slide up and down, it is characterized in that in described die-cut die cavity, it comprises the steps
Steps A, manufactures described die according to the design size of described compressor stator blade, then measures the actual size of described die-cut die cavity.
Step B, according to the design size of described compressor stator blade, the actual size of the described die-cut die cavity utilizing steps A to obtain carries out frame choosing, thus obtain the leaf back of described compressor stator blade and the theoretical size of leaf pelvic surface of sacrum, that is to say the reference dimension obtaining the lower profile of described punch and the upper profile of described jacking block.
Step C, corresponding for described mo(u)ld top half face described compressor stator blade is divided into head end district, mesozone, tail end district, butt and tip, the region of distance included by the 1/7-1/8 of described tip length that the scope in described head end district inwardly moves in parallel in described most advanced and sophisticated side for sideline, described head end district, the region of distance included by the 1/6-1/8 of described tip length that the scope in described tail end district inwardly moves in parallel in described most advanced and sophisticated side for sideline, described tail end district; Corresponding described upper profile is divided into lower profile head end district, lower profile mesozone, lower profile tail end district, butt and tip equally in described lower profile, on the boundary line in described tail end district and two boundary lines of described lower profile mesozone, is then respectively taken to few 5 points at equal intervals as datum mark.
Step D, reference dimension according to the described lower profile of step B acquisition manufactures described punch, after manufacture completes, according to the described datum mark on two boundary lines of the described lower profile mesozone of step C acquisition, measure with the tolerance of H7/g6 in the scope of described datum mark to be center of circle radius be 0.01mm, as met, completing described punch manufacture, as do not met, continuing to do over again until meet the tolerance of H7/g6;
Step e, according to the reference dimension of the described upper profile that step B obtains, 0.1mm is removed in described head end district, 0-0.3mm is removed in described mesozone, and manufacture described jacking block according to amended size, after manufacture completes, according to the described datum mark on the boundary line in the described tail end district of step C acquisition, measure with the tolerance of H7/g6 in the scope of described datum mark to be center of circle radius be 0.01mm, as met, complete described jacking block manufacture, as do not met, continuing to do over again until meet the tolerance of H7/g6, so far completing the manufacture of described die cutting die.
2. manufacture method according to claim 1, in stepb, obtains corresponding described lower profile and described upper profile reference dimension by inside to described leaf back and the theoretical size of described leaf pelvic surface of sacrum parallel indentation 0.01-0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664298.0A CN105170809B (en) | 2015-10-13 | 2015-10-13 | A kind of manufacture method of compressor stator blade die cutting die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664298.0A CN105170809B (en) | 2015-10-13 | 2015-10-13 | A kind of manufacture method of compressor stator blade die cutting die |
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| CN105170809A true CN105170809A (en) | 2015-12-23 |
| CN105170809B CN105170809B (en) | 2017-03-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB954789A (en) * | 1962-05-23 | 1964-04-08 | Hans Joachim Fuchs | Method of making a hollow turbine blade |
| JPH03497U (en) * | 1989-05-26 | 1991-01-07 | ||
| JPH033497U (en) * | 1989-05-29 | 1991-01-14 | ||
| EP1614487A1 (en) * | 2004-07-09 | 2006-01-11 | Snecma | Process of geometric construction of a flash for forging a workpiece of complex shape |
| CN103629152A (en) * | 2012-08-21 | 2014-03-12 | 中航商用航空发动机有限责任公司 | Compressor and thickening and arranging method of blade system of compressor |
| CN204628095U (en) * | 2015-02-12 | 2015-09-09 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of compressor stator blade |
-
2015
- 2015-10-13 CN CN201510664298.0A patent/CN105170809B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB954789A (en) * | 1962-05-23 | 1964-04-08 | Hans Joachim Fuchs | Method of making a hollow turbine blade |
| JPH03497U (en) * | 1989-05-26 | 1991-01-07 | ||
| JPH033497U (en) * | 1989-05-29 | 1991-01-14 | ||
| EP1614487A1 (en) * | 2004-07-09 | 2006-01-11 | Snecma | Process of geometric construction of a flash for forging a workpiece of complex shape |
| CN103629152A (en) * | 2012-08-21 | 2014-03-12 | 中航商用航空发动机有限责任公司 | Compressor and thickening and arranging method of blade system of compressor |
| CN204628095U (en) * | 2015-02-12 | 2015-09-09 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of compressor stator blade |
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| CN105170809B (en) | 2017-03-08 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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