CN206882618U - A kind of exhaust diffuser spinning clamp - Google Patents

A kind of exhaust diffuser spinning clamp Download PDF

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Publication number
CN206882618U
CN206882618U CN201720751960.0U CN201720751960U CN206882618U CN 206882618 U CN206882618 U CN 206882618U CN 201720751960 U CN201720751960 U CN 201720751960U CN 206882618 U CN206882618 U CN 206882618U
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CN
China
Prior art keywords
ring
spinning
cylinder
thin
semi
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.)
Expired - Fee Related
Application number
CN201720751960.0U
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Chinese (zh)
Inventor
涂祖德
李军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Hangfa China Lanxiang Machinery LLC
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Changzhou Hangfa China Lanxiang Machinery LLC
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Priority to CN201720751960.0U priority Critical patent/CN206882618U/en
Application granted granted Critical
Publication of CN206882618U publication Critical patent/CN206882618U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Exhaust Silencers (AREA)

Abstract

It the utility model is related to a kind of exhaust diffuser spinning clamp, the exhaust diffuser spinning clamp includes base, connection ring, support ring, pressing plate, spinning ring and locating ring, base includes plate-like pedestal and rests against cylinder, and this rests against the external diameter of cylinder and is adapted with the internal diameter of thin-wall barrel;Connection ring, which is socketed in, to be rested against on cylinder, and the tail end of the connection ring and the plate-like pedestal of base are fixedly linked;Support ring, which is socketed in, to be rested against on cylinder, and the tail end of the support ring is connected with the adjusted bolt in the front end of connection ring;Spinning ring includes symmetrically arranged left semi-ring and right semi-ring, left semi-ring/right semi-ring includes integrally formed spinning ring supporting part and stage portion, the length of stage portion vertically is adapted with the length in flanging welded portion, and the front end face of annular step and the intersection of inner ring set the chamfered section being adapted with bending section shape;Locating ring is socketed on the outer shroud of the spinning supporting part composition of left semi-ring and right semi-ring.

Description

A kind of exhaust diffuser spinning clamp
Technical field
Aircraft engine parts processing technique field is the utility model is related to, particularly a kind of exhaust diffuser spinning folder Tool.
Background technology
Certain model exhaust diffuser is formed by Combination Welding after the swollen type of thickness 0.6~1mm sheet metal deep drawings.Due to all Sheet member, welding deformation are difficult to control, and in trial-manufacturing process, encounter many problems, the rotary press modelling of wherein part is exactly one Difficult point.Therefore the requirement to frock is very high, it is desirable to which frock will have enough support forces.As depicted in figs. 1 and 2, part is by thin-walled Cylinder 1 and flange 2 form;Flange 2 includes the weld part 23 and thin wall cylinder with the front end outer wall snug fit of thin-wall barrel 1 successively The folding portion 21 that the transition part 22 in gap is left between the outer wall of body 1 and is vertically outwards set along transition part, thin-wall barrel 1 during processing Front end be welded and fixed with weld part 23, then the front end of thin-wall barrel 1 and weld part 23 is outwards turned down to be formed with one Determine the bending section 24 of bending radius;The bending section 24 is that and the diameter of the tail end of thin-wall barrel 1 is than diameter at spinning more to outside spinning Greatly, as using integrated support block, will result directly in part can not disassemble from fixture.In summary, fixture must use Partitioned organization could meet the part dismounting after spinning.But piecemeal rear support ring is only by the fixation of screw, caused branch Support force can not meet the requirement of part spinning again.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, exhaust diffuser spinning for being easily assembled Fixture.
In order to solve the above technical problems, exhaust diffuser spinning clamp provided by the utility model, including base, connection Ring, support ring, pressing plate, spinning ring and locating ring, the base include plate-like pedestal and rest against cylinder, and this rests against the tail end and disk of cylinder The end face of shape pedestal is fixedly linked, and the external diameter for resting against cylinder is adapted with the internal diameter of the thin-wall barrel;The connection ring socket Rested against described on cylinder, the tail end of the connection ring and the plate-like pedestal of base are fixedly linked, and the inwall of the connection ring is with resting against cylinder Outer wall between leave gap;The support ring is rested against on cylinder described in being socketed in, the tail end of the support ring and the front end of connection ring Adjusted bolt is connected, and gap is left between the inwall of the support ring and the outer wall for resting against cylinder, and the external diameter of the support ring is less than institute The external diameter for stating connection ring is set;One end of the pressing plate is connected through bolt with the front end of the connection ring, the other end of the pressing plate With the front end face press fit of support ring;The spinning ring includes symmetrically arranged left semi-ring and right semi-ring, the left semi-ring/right side Semi-ring includes integrally formed spinning ring supporting part and stage portion, the length of the stage portion vertically and the length in flanging welded portion Degree is adapted, the left semi-ring and right semi-ring composition spinning ring after, the left semi-ring and right semi-ring stage portion composition inner ring with Gap coordinates between the outer wall for resting against cylinder, and the front end face of annular step and the intersection of inner ring are set and bending section shape The chamfered section being adapted;The locating ring is socketed on the outer shroud of the spinning supporting part composition of the left semi-ring and right semi-ring, is used In support is fixed to spinning ring.
Further, the length of cylinder vertically that rests against is adapted with the axial depth of the thin-wall barrel, so that described Thin-wall barrel is socketed in described when resting against outside cylinder, and thin-wall barrel front end and weld part are placed in the front edge for resting against cylinder, are easy to Row spinning is folded into by the front end of thin-wall barrel and weld part is turned-out.
Further, exhaust diffuser spinning clamp also includes multiple cushion blocks, the cushion block be placed in the connection ring with it is described Between spinning ring, for being supported restriction to the position of spinning ring, avoid in spinning process spinning ring from being extruded and be subjected to displacement, Influence accurate to dimension.
Further, it is obtained by two halves, so as to obtain that the left semi-ring, right semi-ring, which are same ring body through wire cutting even partition, Left semi-ring, be completely embedded between right semi-ring, be not in tomography, when avoiding part spinning the problem of local dent;Complete After spinning, first the spinning ring split into two is separated, then smoothly part can be disassembled from fixture, be easy to tear open Unload.
Further, the circumferentially arranged dismountable embedded ring of front end outer wall for resting against cylinder, thin-wall barrel, which is inserted in, to be rested against Only described embedded ring is in contact with thin-wall barrel inwall after cylinder, so that after exhaust diffuser spinning clamp is used for multiple times, abrasion is made Into dimensional discrepancy, it is only necessary to embedded ring is changed, avoids changing whole base, it is cost-effective.
Further, the cylinder and plate-like pedestal of resting against is in hollow setting, and to mitigate the overall weight of fixture, reduction is fabricated to This.
The method of work of above-mentioned exhaust diffuser spinning clamp, comprises the following steps:
A, cylinder is rested against by what the thin-wall barrel after welding and flange were inserted in the base first so that the tail end of thin-wall barrel It is supported by plate-like pedestal, the front end of thin-wall barrel and the weld part of flange are placed in the front edge for resting against cylinder.
B, connection ring is enclosed on outside thin-wall barrel and the plate-like pedestal of the tail end of connection ring and base is fixedly linked so that Thin-wall barrel is placed in connection ring and rested against in the gap between cylinder.
C, support ring is enclosed on outside thin-wall barrel and the adjusted bolt of support ring is connected with connection ring so that flange turns over The front end face that support ring is close in folding part is set, and pressing plate, one end of each pressing plate are set at 0 °, 90 °, 180 °, 270 ° in connection ring It is fixedly linked with connection ring, the folding portion of the flange is pressed on the front end face of support ring by opposite other end.
Left semi-ring, right semi-ring are stuck in the front end of thin-wall barrel to form spinning ring so that left semi-ring and right half land D, The inner ring of rank portion composition fixes to the front end of thin-wall barrel and the weld part of flange, treats that the region of spinning is placed in spinning The chamfered section of ring;Cushion block is set at 45 °, 135 °, 225 °, 315 ° in connection ring, to limit between spinning ring and connection ring Axial distance, to spinning ring carry out it is spacing;Locating ring is socketed on the outer shroud of spinning ring, and by bolt by locating ring, Spinning ring, cushion block are fixed with the front end face of connection ring to be connected, and completes the clamping of exhaust diffuser spinning clamp and part.
E, the exhaust diffuser spinning clamp after clamping and dynamical system transmission are coordinated so that exhaust diffuser spinning presss from both sides Tool and part keep rotary state, will be in the spinning roller insertion locating ring of spinning so that spinning roller is to thin-wall barrel and flange Front end carries out spinning along chamfered section, to obtain the part with bending section.
The technique effect of utility model:(1)Exhaust diffuser spinning clamp of the present utility model, relative to prior art, Spinning ring is designed using sectional type, is easily assembled and is dismantled;(2)Cushion block is set between connection ring and spinning ring, avoids spinning mistake Spinning ring shifts in journey, influences machining accuracy;(3)Left semi-ring, right semi-ring are that same ring body through wire cutting even partition is two halves Gained so that left semi-ring, right semi-ring assembling post gap are small, are not in tomography, avoid asking for local dent when part spinning Topic;(4)The setting of embedded ring, processing cost can be reduced, extend the overall service life of fixture.
Brief description of the drawings
The utility model is described in further detail with reference to Figure of description:
Fig. 1 is the cross-sectional view after exhaust diffuser thin-wall barrel and flanging welded of the present utility model;
Fig. 2 is the partial enlarged drawing of a-quadrant in Fig. 1;
Fig. 3 is exhaust diffuser spinning clamp of the present utility model and the front view after parts fixation;
Fig. 4 be in Fig. 3 along A-A to sectional view.
Fig. 5 is the partial enlarged drawing of B area in Fig. 4;
Fig. 6 is the cross-sectional view of base of the present utility model;
Fig. 7 is the structural representation of left semi-ring of the present utility model;
Fig. 8 is the partial enlarged drawing of a-quadrant in Fig. 7.
In figure:Thin-wall barrel 1, flange 2, folding portion 21, transition part 22, weld part 23, bending section 24, base 3, rest against cylinder 31, plate-like pedestal 32, embedded ring 33, connection ring 4, support ring 5, regulating bolt 51, pressing plate 6, spinning ring 7, stage portion 71, spinning Ring supporting part 72, chamfered section 73, cushion block 8, locating ring 9.
Embodiment
Embodiment 1
As shown in Figures 3 to 6, the exhaust diffuser spinning clamp of the present embodiment, including base 3, connection ring 4, support ring 5th, pressing plate 6, spinning ring 7 and locating ring 9, base 3 include plate-like pedestal 32 and rest against cylinder 31, and this rests against the tail end and plate-like of cylinder 31 The end face of pedestal 32 is fixedly linked, the external diameter for resting against cylinder 31 is adapted with the internal diameter of thin-wall barrel 1, rests against cylinder 31 vertically Length is adapted with the axial depth of thin-wall barrel 1 so that thin-wall barrel 1 be socketed in rest against cylinder 31 it is outer when, the front end of thin-wall barrel 1 The front edge for resting against cylinder 31 is placed in weld part 23, the front end outer wall for resting against cylinder 31 is circumferentially arranged with resting against the screw thread of cylinder 31 The embedded ring 33 of connection, thin-wall barrel 1 is inserted in rest against cylinder 31 after only embedded ring 33 be in contact with the inwall of thin-wall barrel 1;Rest against cylinder 31 and plate-like pedestal 32 be in hollow setting, to mitigate the overall weight of fixture.
Connection ring 4 is socketed in when resting against on cylinder 31, and the tail end of the connection ring 4 is through 2 symmetrically arranged bolts and base 3 Plate-like pedestal 32 is fixedly linked, and gap is left between the inwall of the connection ring 4 and the outer wall for resting against cylinder 31;Support ring 5 is socketed in Rest against on cylinder 31, the tail end of the support ring 5 is connected with the front end of connection ring 4 through symmetrically arranged 2 regulating bolts 51, so that logical Cross and regulating bolt 51 is adjusted, the position of support ring 5 can be changed;The inwall of the support ring 5 and rest against cylinder 31 outer wall it Between leave gap, and the external diameter of the support ring 5 is less than the external diameter of connection ring 4 and set, so that settable on the outside of the edge of support ring 5 Pressing plate 6 and cushion block 8;Pressing plate 6 is arranged at 0 °, 90 °, 180 °, 270 ° of connection ring 4, and one end of each pressing plate 4 is through bolt with being connected Ring 4 is fixedly linked, and the folding portion 21 of flange 2 is pressed on the front end face of support ring 5 by opposite other end.
Spinning ring 7 includes symmetrically arranged left semi-ring and right semi-ring, and left semi-ring, right semi-ring are that same ring body is equal through wire cutting It is even to be divided into obtained by two halves, be not in tomography so as to be completely embedded between the left semi-ring obtained, right semi-ring;Such as Fig. 7 and Fig. 8 Shown, left semi-ring/right semi-ring includes integrally formed spinning ring supporting part 72 and stage portion 71, the length of stage portion 71 vertically Degree is adapted with the length in flanging welded portion 23, after left semi-ring and right semi-ring composition spinning ring 7, left semi-ring and right semi-ring stage portion Gap coordinates between the inner ring of 71 compositions and the outer wall for resting against cylinder 31, and the front end face of annular step 71 and the intersection of inner ring are set The chamfered section 73 being adapted with the shape of bending section 24 is put, for processing bending section 24;Cushion block 8 be arranged on 45 ° of connection ring 4, At 135 °, 225 °, 315 °, to limit the axial distance between spinning ring 7 and connection ring 4;Locating ring 9 be socketed in left semi-ring and On the outer shroud that the spinning supporting part 72 of right semi-ring forms, and by bolt by locating ring 9, spinning ring 7, cushion block 8 and connection ring 4 Front end face be fixed it is connected, to complete clamping.
Embodiment 2
The method of work of above-mentioned exhaust diffuser spinning clamp, specifically comprises the following steps:
A, cylinder 31 is rested against by what the thin-wall barrel 1 after welding and flange 2 were inserted in base 3 first so that the tail of thin-wall barrel 1 End is supported by plate-like pedestal 32, and the front end of thin-wall barrel 1 and the weld part 23 of flange 2 are placed in the front end edge for resting against cylinder 31 Edge.
B, that connection ring 4 is enclosed on into thin-wall barrel 1 is outer and by the stationary phase of plate-like pedestal 32 of the tail end of connection ring 4 and base 3 Even so that thin-wall barrel 1 is placed in connection ring 4 and rested against in the gap between cylinder 31.
C, support ring 5 is enclosed on outside thin-wall barrel 1 and the adjusted bolt 51 of support ring 5 is connected with connection ring 4 so that turned over The front end face that the folding portion 21 on side 2 is close to support ring 5 is set, and pressing plate 6 is set at 0 °, 90 °, 180 °, 270 ° in connection ring 4, One end of each pressing plate 6 is fixedly linked through bolt and connection ring 4, and the folding portion 21 of flange 2 is pressed on support ring 5 by opposite other end Front end face on.
Left semi-ring, right semi-ring are stuck in the front end of thin-wall barrel 1 to form spinning ring 7 so that left semi-ring and right semi-ring D, The inner ring that stage portion 71 forms fixes to the front end of thin-wall barrel 1 and the weld part 23 of flange 2, treats the region of spinning It is placed in the chamfered section 73 of spinning ring 7;Cushion block 8 is set at 45 °, 135 °, 225 °, 315 ° in connection ring 4, to limit spinning ring Axial distance between 7 and connection ring 4, spinning ring 7 is carried out spacing;Locating ring 8 is socketed on the outer shroud of spinning ring 7, and Locating ring 9, spinning ring 7, cushion block 8 are fixed with the front end face of connection ring 4 by bolt and are connected, completes exhaust diffuser rotation Press the clamping of fixture and part.
E, the exhaust diffuser spinning clamp after clamping and dynamical system (such as rotating shaft on lathe) transmission are coordinated, made Obtain exhaust diffuser spinning clamp and part keeps rotary state, will be in the spinning roller insertion locating ring 9 of spinning so that spinning roller Spinning is carried out along chamfered section 73 to the front end of thin-wall barrel 1 and flange 2, to obtain the part with bending section 24.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality With the restriction of new embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these Belong to obvious changes or variations that spirit of the present utility model is amplified out still in the scope of protection of the utility model Among.

Claims (6)

  1. A kind of 1. exhaust diffuser spinning clamp, it is characterised in that including:Base, connection ring, support ring, pressing plate, spinning ring and Locating ring, the base include plate-like pedestal and rest against cylinder, and the end face for resting against the tail end and plate-like pedestal of cylinder is fixedly linked, should The external diameter of cylinder is rested against to be adapted with the internal diameter of thin-wall barrel;The connection ring is rested against on cylinder described in being socketed in, the tail of the connection ring Hold the plate-like pedestal with base to be fixedly linked, gap is left between the inwall of the connection ring and the outer wall for resting against cylinder;The support Ring set be connected on it is described rest against on cylinder, the tail end of the support ring is connected with the adjusted bolt in the front end of connection ring, the support ring it is interior Gap is left between wall and the outer wall for resting against cylinder, the external diameter of the support ring is less than the external diameter setting of the connection ring;The pressing plate One end be connected through bolt with the front end of the connection ring, the other end of the pressing plate and the front end face press fit of support ring;Institute Stating spinning ring includes symmetrically arranged left semi-ring and right semi-ring, and the left semi-ring/right semi-ring includes integrally formed spinning ring branch Support part and stage portion, the length of the stage portion vertically are adapted with the length in flanging welded portion, the left semi-ring and right half Ring group is into after spinning ring, and gap is matched somebody with somebody between the inner ring and the outer wall for resting against cylinder of the left semi-ring and right semi-ring stage portion composition Close, the front end face of annular step and the intersection of inner ring set the chamfered section being adapted with bending section shape;The locating ring It is socketed on the outer shroud of the spinning supporting part composition of the left semi-ring and right semi-ring.
  2. 2. exhaust diffuser spinning clamp according to claim 1, it is characterised in that described to rest against the length of cylinder vertically It is adapted with the axial depth of the thin-wall barrel, so that the thin-wall barrel is socketed in described when resting against outside cylinder, thin-wall barrel Front end and weld part are placed in the front edge for resting against cylinder.
  3. 3. exhaust diffuser spinning clamp according to claim 2, it is characterised in that also including multiple cushion blocks, the pad Block is placed between the connection ring and the spinning ring.
  4. 4. exhaust diffuser spinning clamp according to claim 3, it is characterised in that the left semi-ring, right semi-ring are same One ring body is obtained by two halves through wire cutting even partition.
  5. 5. exhaust diffuser spinning clamp according to claim 3, it is characterised in that the front end outer wall edge for resting against cylinder Circumferentially disposed dismountable embedded ring, thin-wall barrel is inserted in rest against cylinder after only described embedded ring be in contact with thin-wall barrel inwall.
  6. 6. exhaust diffuser spinning clamp according to claim 3, it is characterised in that described to rest against cylinder and plate-like pedestal is in Hollow setting.
CN201720751960.0U 2017-06-24 2017-06-24 A kind of exhaust diffuser spinning clamp Expired - Fee Related CN206882618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720751960.0U CN206882618U (en) 2017-06-24 2017-06-24 A kind of exhaust diffuser spinning clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720751960.0U CN206882618U (en) 2017-06-24 2017-06-24 A kind of exhaust diffuser spinning clamp

Publications (1)

Publication Number Publication Date
CN206882618U true CN206882618U (en) 2018-01-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109108175A (en) * 2017-06-24 2019-01-01 中国航发常州兰翔机械有限责任公司 A kind of exhaust diffuser spinning clamp and its working method
CN114714111A (en) * 2021-01-05 2022-07-08 中国石油化工股份有限公司 Machining device and method for valve plate of pump sealing device
CN114833413A (en) * 2020-12-16 2022-08-02 中国航发常州兰翔机械有限责任公司 Clamp for welding screw base of radial diffuser and vacuum brazing process of clamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109108175A (en) * 2017-06-24 2019-01-01 中国航发常州兰翔机械有限责任公司 A kind of exhaust diffuser spinning clamp and its working method
CN114833413A (en) * 2020-12-16 2022-08-02 中国航发常州兰翔机械有限责任公司 Clamp for welding screw base of radial diffuser and vacuum brazing process of clamp
CN114714111A (en) * 2021-01-05 2022-07-08 中国石油化工股份有限公司 Machining device and method for valve plate of pump sealing device
CN114714111B (en) * 2021-01-05 2023-11-07 中国石油化工股份有限公司 Processing device and method for valve plate of pump sealing device

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Granted publication date: 20180116