CN102513803A - Technical method for constructing reference surface of assembled folio cartridge receiver and special clamp - Google Patents
Technical method for constructing reference surface of assembled folio cartridge receiver and special clamp Download PDFInfo
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- CN102513803A CN102513803A CN2011103982906A CN201110398290A CN102513803A CN 102513803 A CN102513803 A CN 102513803A CN 2011103982906 A CN2011103982906 A CN 2011103982906A CN 201110398290 A CN201110398290 A CN 201110398290A CN 102513803 A CN102513803 A CN 102513803A
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Abstract
The invention provides a technical method for constructing a reference surface of an assembled folio cartridge receiver and a special clamp. The special clamp comprises a base, pressing plates, adjustable supports, support screws and two sets of positioning components, wherein each positioning component comprises a front-end positioning block, a front-end hook-shaped pressing plate, a connection block, a rear-end positioning block and a rear-end hook-shaped pressing plate; and the two sets of positioning components are in centrosymmetry about a central axis of the base. The technical process comprises the following steps of: performing rough turning machining on an annular blank of the folio cartridge receiver, retaining flange edges, splitting the annular piece of the cartridge receiver, cutting off the flange edges on different sides, fixing two half cartridge receivers on the special clamp, and constructing the reference surface of the assembled folio cartridge receiver by adjusting the clamp. Compared with the conventional method, the technical method has the advantages that: the technical requirement of the whole machining flow is easy to realize; the whole machining flow can be finished on the vertical lathe; the machining efficiency is high; and the reference surface of the folio cartridge receiver is machined during one-time clamping.
Description
Technical field
The present invention relates to the Machining Technology field, be specially a kind of be used to split upright normative process in back of casing group and special fixture.
Background technology
Split casing and use integral ring-shaped and semicircle (forging or casting) two kinds of woolen cloths usually.For the integral ring-shaped woolen cloth of use, precision during regardless of its roughing, after cutting open, the two halves casing can produce certain distortion, must process faying face (incision face), to guarantee the flatness of its faying face; Semicircle woollen after processing necessary benchmark, also must process, to guarantee the flatness of its faying face faying face.Fallen surplus owing to faying face is processed; And the processing capacity of per half casing is inconsistent, after faying face carries out bore hole, and casing stands through combination face group; Do not had with combining the plane and had the machining benchmark of relatively accurate relation; Before carrying out following process, must rebulid benchmark, the faying face that founds rear housing with the assurance group is through its pivot and symmetrical centre and vertical cross-section.
The existing normative process in the upright back of casing group of splitting is: before group is upright; The two halves casing is bored datum level at horizontal boring machine respectively, the upright frock of utilization group organize upright with the foundation group machining benchmark after upright, can occur the secondary clamping like this benchmark of part is caused error; And its working (machining) efficiency is low; Require special tooling and the enough big horizontal boring machine of specification, the production in enormous quantities of splitting casing is restricted, be necessary to design a kind of new benchmark and set up process.
Summary of the invention
The technical problem that solves
For solving the problem that prior art exists, the present invention proposes a kind of be used to split upright normative process in back of casing group and special fixture.
Technical scheme
Technical scheme of the present invention is:
Said a kind of normative special fixture in the upright back of casing group that is used to split is characterized in that: comprise base, pressing plate, adjustable support, supporting nail and two cover positioning components; Base is the annular plate-like structure, and pressing plate, adjustable support and supporting nail along the circumferential direction are evenly arranged on the stationary plane of base; Positioning component comprises front end locating piece, front end hook-type pressing plate, contiguous block, rear end locating piece and rear end hook-type pressing plate; The front end locating piece is L shaped structure; Contiguous block is a platy structure; Contiguous block one end is fixedly connected with base; The other end is fixedly connected with an end arm face of the L shaped structure of front end locating piece, and front end hook-type pressing plate inserts in the end face of the L shaped structure other end of front end locating piece arm, and forms space, front end location with the front end locating piece; The rear end locating piece is a platy structure; Fit in rear end locating piece one side side and contiguous block side; And locating piece one end in rear end is fixedly connected with base, is inserted with rear end hook-type pressing plate on the locating piece opposite side side, rear end, and rear end hook-type pressing plate and rear end locating piece form space, location, rear end; Two cover positioning components are symmetrical with respect to the center axis centre; Locating surface in locating surface in the space, front end location on the front end locating piece and the space, location, rear end on the locating piece of rear end overlaps, and the center axis is crossed on the coincidence plane.
Said a kind of normative process in the upright back of casing group that is used to split is characterized in that: may further comprise the steps:
Step 1: the annular woolen cloth to splitting casing carries out rough turn processing, and respectively leaves a circle technological datum piece at the woollen lateral surface of annular near place, the woollen two ends of annular; Two circle technological datum pieces are carried out groove milling processing, and each forms the flange of two same thickness, and the longitudinal center line of four flanges is in the same plane, and the woollen central axis of annular is crossed on this plane;
Step 2: will pass through the casing annular element that obtains after step 1 processing and cut open along the plane that four flange longitudinal center lines form; Two flanges of homonymy not on the mill off two halves casing respectively make on half casing remaining two flanges on remaining two flanges and second half casing be in the not homonymy of casing annular element central axis; Faying face to each half casing mills processing and scraping processing, makes the faying face of each half casing and two flange locating surfaces in the same plane;
Step 3: the two halves casing that will pass through after step 2 processing is placed on the special fixture, supports the two halves casing through the supporting nail, and the space, front end location that the flange on the two halves casing is inserted into two cover positioning components on the special fixture is located in the space with the rear end; Regulate adjustable support, make the flange locating surface corresponding closely sturdy with the locating surface on the positioning component, and through beating the faying face of showing centering two halves casing, the faying face that makes the two halves casing at grade;
Step 4: the faying face to the two halves casing carries out bore hole processing; And through regulating the relative position of two halves casing; Make the central axes of corresponding aperture on the two halves casing faying face, and through front end hook-type pressing plate and rear end hook-type pressing plate the flange of two halves casing is pressed on space, front end location and locatees in the space with the rear end; Regulate adjustable support once more, make the flange locating surface corresponding closely sturdy with the locating surface on the positioning component; Unclamp front end hook-type pressing plate and rear end hook-type pressing plate, and the two halves casing is fixed on the base with pressing plate;
Step 5: level and the cylindrical datum level after the casing group is stood split in processing.
Beneficial effect
The present invention proposes a kind ofly is used to split the upright normative process in back of casing group and special fixture in contrast to existing method, and the whole machining process process requires to realize easily, on vertical lathe, can accomplish; And working (machining) efficiency is high, makes to split the casing machining benchmark and in a clamping, accomplish, and it is easy to operate to add the man-hour workman simultaneously; Anchor clamps compress reliably, and are rationally distributed, compact conformation, firm; Easy to use, safeguard simply low cost of manufacture.
Description of drawings
Fig. 1: the structural representation of special fixture;
Fig. 2: annular woolen cloth processes the structural representation behind the flange;
The A-A cutaway view of Fig. 3: Fig. 2;
Fig. 4: the structural representation behind half casing mill off one side flange limit;
Fig. 5: the structural representation behind second half casing mill off opposite side flange;
Fig. 6: front end locating piece structural representation;
Fig. 7: front end hook-type pressure plate structure sketch map;
Fig. 8: rear end hook-type pressure plate structure sketch map;
Wherein: 1, base; 2, pressing plate; 3, adjustable support; 4, supporting nail; 5, front end locating piece; 6, contiguous block; 7, rear end locating piece; 8, rear end hook-type pressing plate; 9, front end hook-type pressing plate; 10, front end flange limit; 11, rear end flange; The front end locating surface of a, first positioning component; The rear end locating surface of b, first positioning component; The front end locating surface of c, second positioning component; The rear end locating surface of d, second positioning component; The front end flange limit locating surface of a ', the first half casings; The rear end flange locating surface of b ', the first half casings; The front end flange limit locating surface of c ', the second half casings; The rear end flange locating surface of d ', the second half casings.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described:
Present embodiment is split casing annular woolen cloth and is processed.
Step 1: the annular woolen cloth to splitting casing carries out rough turn processing, and respectively to leave a circle axial width at the woollen lateral surface of annular near place, the woollen two ends of annular be the technological datum piece of 12mm; Then two circle technological datum pieces are carried out groove milling processing; The flange that to leave two circumferential thickness after the every circle technological datum piece groove milling processing be 20mm; As shown in Figure 2, the longitudinal center line of four flanges is in the same plane, and the woollen central axis of annular is crossed on this plane.Fig. 3 has provided the cutaway view of casing annular element one side that has obtained after the processing, wherein front end flange limit 10 be retain after the circle technological datum piece groove milling processing flange, rear end flange 11 for another circle technological datum piece groove milling retain after processing flange.
Step 2: will pass through the casing annular element that obtains after step 1 processing and cut open along the planar line cutting that four flange longitudinal center lines form.After the casing annular element is cut open; Two flanges of homonymy not on the mill off two halves casing respectively; Make on half casing remaining two flanges on remaining two flanges and second half casing be in the not homonymy of casing annular element central axis, as shown in Figure 4 and Figure 5; Then the faying face to each half casing mills processing and scraping processing; Make faying face and two flange locating surfaces of each half casing in the same plane; So, after two halves casing group is upright, the faying face of casing and four flange locating surfaces were just in the same plane.
Step 3: with the special fixture centering.
Comprise 3,4 supporting nails of 2,14 adjustable supports of 1,8 pressing plates of base, 4 and two cover positioning components with reference to accompanying drawing 1 said special fixture.Base is the annular plate-like structure, and pressing plate, adjustable support and supporting nail along the circumferential direction are evenly arranged in respectively on the stationary plane of base.
Positioning component comprises front end locating piece 5, front end hook-type pressing plate 9, contiguous block 6, rear end locating piece 7 and rear end hook-type pressing plate 8.As shown in Figure 6, the front end locating piece is L shaped structure.Contiguous block is a platy structure; Contiguous block one end is fixedly connected with bolt of lower base; The other end is connected with an end arm face bolt of the L shaped structure of front end locating piece; Front end hook-type pressing plate inserts in the through hole of the L shaped structure other end of front end locating piece arm end face, and front end hook-type pressing plate and front end locating piece screw thread are fixed.Form space, front end location between the hook-type position of front end hook-type pressing plate and the front end locating piece end face, front end locating piece end face is the front end locating surface here.The rear end locating piece is a platy structure; Fit in rear end locating piece one side side and contiguous block side; And locating piece one end in rear end is fixedly connected with bolt of lower base, is inserted with rear end hook-type pressing plate on the locating piece opposite side side, rear end, and rear end hook-type pressing plate is threaded with the rear end locating piece; Form space, location, rear end between the hook-type position of rear end hook-type pressing plate and the locating piece side, rear end, locating piece side in rear end is the rear end locating surface here.
Two cover positioning components are symmetrical with respect to the center axis centre, and the front end locating surface on two groups of positioning components overlaps with the rear end locating surface, and the center axis is crossed on the coincidence plane.
After will passing through two halves casing after step 2 processing and being placed on the special fixture, support the two halves casing, and the space, front end location that the flange on the two halves casing is inserted into two cover positioning components on the special fixture is located in the space with the rear end through the supporting nail.Through regulating adjustable support, make flange locating surface a ', b ', c ', the locating surface a on d ' and the positioning component, b, c, the d correspondence is closely sturdy, and detects with clearance gauge.Through beating the faying face of table centering two halves casing, the faying face that makes the two halves casing at grade.
Step 4: the faying face to the two halves casing carries out bore hole processing; And through regulating the relative position of two halves casing; Make the central axes of corresponding aperture on the two halves casing faying face, and through screw front end hook-type pressing plate and rear end hook-type pressing plate the flange of two halves casing is pressed on space, front end location and locatees in the space with the rear end; Regulate adjustable support once more, make the flange locating surface corresponding closely sturdy with the locating surface on the positioning component; Unscrew front end hook-type pressing plate and rear end hook-type pressing plate, and the two halves casing of naming a person for a particular job be pressed abd fixed on the base, note beating table during clamping platen with pressing plate, show inactive, to confirm that locating surface is sturdy bottom adjustable support and the two halves casing.
Step 5: level and the cylindrical datum level after the casing group is stood split in processing, thereby the faying face of the upright rear housing of realization group passes through in its pivot and the plane perpendicular to clamp base, and realized that subsequent handling adds the foundation of positioning reference in man-hour.
It is thus clear that the whole machining process process requires to realize easily, on vertical lathe, can accomplish; And working (machining) efficiency is high, and the part processing benchmark is accomplished in a clamping, and it is easy to operate to add the man-hour workman simultaneously; Anchor clamps compress reliably, and are rationally distributed, compact conformation, firm; Easy to use, safeguard simply low cost of manufacture.
Claims (2)
1. one kind is used to split the normative special fixture in the upright back of casing group, it is characterized in that: comprise base, pressing plate, adjustable support, supporting nail and two cover positioning components; Base is the annular plate-like structure, and pressing plate, adjustable support and supporting nail along the circumferential direction are evenly arranged on the stationary plane of base; Positioning component comprises front end locating piece, front end hook-type pressing plate, contiguous block, rear end locating piece and rear end hook-type pressing plate; The front end locating piece is L shaped structure; Contiguous block is a platy structure; Contiguous block one end is fixedly connected with base; The other end is fixedly connected with an end arm face of the L shaped structure of front end locating piece, and front end hook-type pressing plate inserts in the end face of the L shaped structure other end of front end locating piece arm, and forms space, front end location with the front end locating piece; The rear end locating piece is a platy structure; Fit in rear end locating piece one side side and contiguous block side; And locating piece one end in rear end is fixedly connected with base, is inserted with rear end hook-type pressing plate on the locating piece opposite side side, rear end, and rear end hook-type pressing plate and rear end locating piece form space, location, rear end; Two cover positioning components are symmetrical with respect to the center axis centre; Locating surface in locating surface in the space, front end location on the front end locating piece and the space, location, rear end on the locating piece of rear end overlaps, and the center axis is crossed on the coincidence plane.
2. one kind is used to split the normative process in the upright back of casing group, it is characterized in that: may further comprise the steps:
Step 1: the annular woolen cloth to splitting casing carries out rough turn processing, and respectively leaves a circle technological datum piece at the woollen lateral surface of annular near place, the woollen two ends of annular; Two circle technological datum pieces are carried out groove milling processing, and each forms the flange of two same thickness, and the longitudinal center line of four flanges is in the same plane, and the woollen central axis of annular is crossed on this plane;
Step 2: will pass through the casing annular element that obtains after step 1 processing and cut open along the plane that four flange longitudinal center lines form; Two flanges of homonymy not on the mill off two halves casing respectively make on half casing remaining two flanges on remaining two flanges and second half casing be in the not homonymy of casing annular element central axis; Faying face to each half casing mills processing and scraping processing, makes the faying face of each half casing and two flange locating surfaces in the same plane;
Step 3: the two halves casing that will pass through after step 2 processing is placed on the special fixture, supports the two halves casing through the supporting nail, and the space, front end location that the flange on the two halves casing is inserted into two cover positioning components on the special fixture is located in the space with the rear end; Regulate adjustable support, make the flange locating surface corresponding closely sturdy with the locating surface on the positioning component, and through beating the faying face of showing centering two halves casing, the faying face that makes the two halves casing at grade;
Step 4: the faying face to the two halves casing carries out bore hole processing; And through regulating the relative position of two halves casing; Make the central axes of corresponding aperture on the two halves casing faying face, and through front end hook-type pressing plate and rear end hook-type pressing plate the flange of two halves casing is pressed on space, front end location and locatees in the space with the rear end; Regulate adjustable support once more, make the flange locating surface corresponding closely sturdy with the locating surface on the positioning component; Unclamp front end hook-type pressing plate and rear end hook-type pressing plate, and the two halves casing is fixed on the base with pressing plate;
Step 5: level and the cylindrical datum level after the casing group is stood split in processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110398290 CN102513803B (en) | 2011-12-03 | 2011-12-03 | Technical method for constructing reference surface of assembled folio cartridge receiver and special clamp |
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| CN 201110398290 CN102513803B (en) | 2011-12-03 | 2011-12-03 | Technical method for constructing reference surface of assembled folio cartridge receiver and special clamp |
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| CN102513803A true CN102513803A (en) | 2012-06-27 |
| CN102513803B CN102513803B (en) | 2013-08-14 |
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| CN103264251A (en) * | 2013-05-24 | 2013-08-28 | 哈电集团（秦皇岛）重型装备有限公司 | Fixing device for transposition bead welding of vapor generator tube plate on position changing machine |
| CN103481084A (en) * | 2013-09-13 | 2014-01-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Multi-function positioning clamping method for machining receivers |
| CN103551828A (en) * | 2013-10-25 | 2014-02-05 | 苏州工业园区得意机电设备有限公司 | Deformation control method for machining multi-surface thin-walled box parts |
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| CN103264251A (en) * | 2013-05-24 | 2013-08-28 | 哈电集团（秦皇岛）重型装备有限公司 | Fixing device for transposition bead welding of vapor generator tube plate on position changing machine |
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| CN108723121B (en) * | 2018-05-30 | 2019-12-31 | 中国航发动力股份有限公司 | High-temperature alloy split casing calibration device and calibration method thereof |
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| CN112211684A (en) * | 2019-07-11 | 2021-01-12 | 中国航发商用航空发动机有限责任公司 | Casing installation method |
| CN110936108A (en) * | 2019-11-19 | 2020-03-31 | 中国航发沈阳黎明航空发动机有限责任公司 | Machining method for improving assembly precision of thin-wall annular casing type parts |
| CN110936108B (en) * | 2019-11-19 | 2022-05-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Machining method for improving assembly precision of thin-wall annular casing type parts |
| CN112207397A (en) * | 2020-09-23 | 2021-01-12 | 中国航发贵州黎阳航空动力有限公司 | Clamp for welding longitudinal flange edge to casing and welding method thereof |
| CN112192127A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Assembly welding device |
| CN112192127B (en) * | 2020-09-29 | 2022-04-08 | 中国航发动力股份有限公司 | Assembly welding device |
| CN113579816A (en) * | 2021-06-23 | 2021-11-02 | 北京实验工厂有限责任公司 | Clamping device for machining high-precision sealing ring groove of actuating cylinder part |
| CN113579816B (en) * | 2021-06-23 | 2022-09-06 | 北京实验工厂有限责任公司 | Clamping device for machining high-precision sealing ring groove of actuating cylinder part |
| CN117020239A (en) * | 2023-10-10 | 2023-11-10 | 中国航发沈阳黎明航空发动机有限责任公司 | Technological method for improving utilization rate of burrs of T-shaped plate part of aero-engine |
| CN117020239B (en) * | 2023-10-10 | 2023-12-08 | 中国航发沈阳黎明航空发动机有限责任公司 | Technological method for improving utilization rate of burrs of T-shaped plate part of aero-engine |
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Address after: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee after: AECC AVIATION POWER CO,LTD. Address before: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee before: AVIC AVIATION ENGINE Corp.,PLC Address after: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee before: XI'AN AVIATION POWER Co.,Ltd. |