CN208341507U - A kind of shaping dies of pulse ripple fagging - Google Patents

A kind of shaping dies of pulse ripple fagging Download PDF

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Publication number
CN208341507U
CN208341507U CN201820539409.4U CN201820539409U CN208341507U CN 208341507 U CN208341507 U CN 208341507U CN 201820539409 U CN201820539409 U CN 201820539409U CN 208341507 U CN208341507 U CN 208341507U
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China
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formpiston
positioning
pulse ripple
upper die
die body
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CN201820539409.4U
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Chinese (zh)
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杜媛媛
翟攀
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Xian Aircraft Industry Group Co Ltd
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Xian Aircraft Industry Group Co Ltd
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Abstract

A kind of shaping dies of pulse ripple fagging, contain upper die body and lower mold body, upper die body has the forming formpiston and positioning formpiston movable up and down of protrusion, the upper end of positioning formpiston is embedded in a through-hole of upper die body by a connecting rod, compressible elastic fluid is equipped with around connecting rod, lower mold body is equipped with the former of protrusion, and the bottom of former grooving is equipped with and the matched forming cavity of pulse ripple and positioning chamber.The plate of forming is placed in the grooving of lower die, upper die body and lower mold body mold, shape first pulse ripple, previous pulse ripple be manually located in positioning chamber, and so on complete the forming of pulse ripple fagging.

Description

A kind of shaping dies of pulse ripple fagging
Technical field
This application involves aircraft manufacturing technology, it is further applicable to carry out continuous punch forming to metal material, specifically A kind of shaping dies and manufacturing process of pulse ripple fagging.
Background technique
Ripple support ring is commonly used as reinforcement structure in the design of aircrafts exhaust pipe, can effectively support exhaust pipe is inside and outside to cover Skin guarantees the even transition of exhaust pipe caliber.Its structure is relatively easy, after being separately formed for two semiannular shapes, passes through assembly Become whole three-dimensional annular pulse ripple fagging structure afterwards.Pulse ripple fagging bending mould traditional at present, shaped portion are adopted With the form of standard die, plate is bent into certain curvature and angle using punch-die.Now aviation processed product material hardness Height, required precision is more stringent, when using original mold, can only first ripple of valid shaping, shaping second ripple When, due to tooling no to first formed ripple effectively limit and control device, formed part is caused to spring back, is curved Curvature is inadequate, and the deformation of curved face type face, low precision are common things, and rejection rate is higher, and shapes rear curved surface and be not bonded, and needs anti- Multiple craft school shape, operation difficulty is big, long processing time, and flow harden phenomenon is serious.It is therefore desirable to consider that a kind of rejection rate is low, The simple forming mode of structure is operated to solve the brake forming of stereo corrugated fagging.
Summary of the invention
In order to effectively solve in the prior art to the forming defects of continuous bend pulse ripple part, the purpose of the application is to mention For a kind of bending mould easy to use, positioning ripple fagging reliable, with versatility, which can reliably form production Product, and manufacture can be facilitated, reduce offhand workload.
A kind of shaping dies of pulse ripple fagging, contains upper die body and lower mold body, which is characterized in that the upper die body Upper end can be connect with punching machine, have protrusion in the middle part of upper die body lower end with the matched forming formpiston of pulse ripple, in upper die body lower end Left side is equipped with a positioning formpiston movable up and down, and the lower end of the positioning formpiston is matched with the positioning surface of pulse ripple, positions The upper end of formpiston is embedded in a through-hole of upper die body by a connecting rod, and compressible elasticity is equipped with around connecting rod and is situated between Matter, forming formpiston and the center for positioning formpiston are located at approximately the same plane, and the flat base of the lower mold body is equipped with protrusion Former, the top of former are equipped with lateral grooving, and the bottom of grooving is equipped with and the matched forming cavity of pulse ripple and positioning Chamber, the corresponding forming formpiston of forming cavity, the corresponding positioning formpiston of positioning chamber are equipped with longitudinal guide post on the right side of lower mold body, upper The right side of die body is equipped with guide sleeve corresponding with guide post.
Using the shaping dies of above-mentioned pulse ripple fagging, shaping dies and punching machine are installed in place, when upper die body exists Downlink under the active force of punching machine, guide post initially enter guide sleeve, the correct position of the upper and lower die body of correcting, make upper die body at Shape formpiston corresponds to the forming cavity of lower mold body former, and the positioning formpiston of upper die body corresponds to the positioning chamber of lower mold body former, and forming is used Plate be placed in the grooving of lower die, upper die body and lower mold body mold, and forming generates first pulse ripple, on upper die body Row, first stroke terminate, and position formpiston at this time and do not act on;Formed pulse ripple is sent be handed to lower die manually by second step In positioning chamber in body;Formed pulse ripple is pressed in lower mold body in positioning chamber by upper die body downlink, positioning formpiston, on Die body is continued traveling downwardly to forming second pulse ripple of intracavity forming, upper die body uplink, and second stroke terminates;Shape the latter When pulse ripple, previous pulse ripple is manually located in positioning chamber, and so on complete pulse ripple fagging forming.
The beneficial effects of the present application are as follows: the forming die structure of the pulse ripple fagging of the application is reasonable, adapts to wide It is general, with one shape pulse ripple to next pulse ripple forming position, greatly improve pulse ripple at Form quality amount reduces and strikes the amount of repairing by hand, upper versatile in airplane parts molding, saves the time.
Attached drawing is described in further detail this application with reference to embodiments.
Detailed description of the invention
Fig. 1 is pulse ripple fagging structural schematic diagram.
Fig. 2 is the shaping dies schematic illustration of the pulse ripple fagging of the application
Fig. 3 is shaping dies upper die body principle schematic diagram.
Fig. 4 is shaping dies lower mold body principle schematic diagram.
Explanation is numbered in figure: 1 pulse ripple, 2 upper die bodies, 3 lower mold bodies, 4 forming formpistons, 5 positioning formpistons, 6 elasticity are situated between Matter, 7 formers, 8 positioning chambers, 9 forming cavities, 10 guide posts, 11 guide sleeves, 12 groovings.
Specific embodiment
Referring to attached drawing, pulse ripple fagging shown in FIG. 1 is the ripple support shaped part in aircrafts exhaust pipe, can be effective Exterior skin in exhaust pipe is supported, guarantees the shaping dies of the pulse ripple fagging of even transition the application of exhaust pipe caliber, it should There are multiple continuous pulse ripples 1 on pulse ripple fagging.
The shaping dies that the application proposes, containing upper die body 2 and lower mold body 3, the upper end of the upper die body 2 can be with punching machine Connection, have protrusion in the middle part of 2 lower end of upper die body with the matched forming formpiston 4 of pulse ripple 1, be equipped on the left of 2 lower end of upper die body One positioning formpiston 5 movable up and down, the lower end of the positioning formpiston 5 are matched with the positioning surface of pulse ripple 1, position formpiston 5 Upper end be embedded in a through-hole of upper die body by a connecting rod, around connecting rod be equipped with compressible elastic fluid 6, at The center of shape formpiston 4 and positioning formpiston 5 is located at approximately the same plane, and the flat base of the lower mold body 3 is equipped with the yin of protrusion Mould 7, the top of former 7 are equipped with lateral grooving 12, and the bottom of grooving 12 is equipped with and the matched forming cavity 9 of pulse ripple 1 With positioning chamber 8, the corresponding forming formpiston 4 of forming cavity 9, the corresponding positioning formpiston 5 of positioning chamber 8 is equipped with longitudinal guiding on upper die body 2 Column 10 is equipped with guide sleeve 11 corresponding with guide post in lower mold body 3.
The forming that pulse ripple fagging is carried out using above-mentioned shaping dies, shaping dies and punching machine is installed in place, when upper Die body 2 is under the active force of punching machine when downlink, and guide post 10 initially enters guide sleeve 11, the correct position of the upper and lower die body of correcting, Make the forming cavity 9 of the corresponding lower mold body former 7 of forming formpiston 4 of upper die body 2, the corresponding lower mold body yin of the positioning formpiston 5 of upper die body 2 The plate of shaped pulse ripple fagging is placed in the grooving 12 of lower die 3, upper die body 2 and lower mold body by the positioning chamber 8 of mould 7 3 moldings, shape first pulse ripple 1,2 uplink of upper die body, and first stroke terminates, and position formpiston at this time and do not act on;Forming When next pulse ripple, need manually to send formed pulse ripple 1 in the positioning chamber being handed in lower mold body 8, upper die body 2 Downlink, positioning formpiston 5 formed pulse ripple 1 is pressed in lower mold body 3 in positioning chamber 8, upper die body 2 continue traveling downwardly at Shape chamber 9 internal shaping, second pulse ripple, subsequent 2 uplink of upper die body, second stroke terminate;This point it is emphasized that forming is latter When a pulse ripple, previous pulse ripple is manually located in positioning chamber and is positioned, and so on complete pulse ripple fagging Forming.
Above embodiments are only the explanations to structure of the invention, and forming die structure form of the invention is suitable for different rulers The brake forming of very little aircraft system member pulse ripple fagging.The present invention utilizes shaping dies and hydraulic press, solves to gold Belong to material and carry out continuous punching stereo shaping problem, reduces and strike the amount of repairing by hand, shorten the product manufacturing period.The present invention utilizes bullet Property positioning formpiston structure, it is effective to guarantee the accurate of relative position in part, it is suppressed that the change of pulse ripple part entirety curvature Shape, section collapse problem.

Claims (1)

1. a kind of shaping dies of pulse ripple fagging, contains upper die body and lower mold body, which is characterized in that the upper die body it is upper End can connect with punching machine, have protrusion in the middle part of upper die body lower end with the matched forming formpiston of pulse ripple, it is left in upper die body lower end Side is equipped with a positioning formpiston movable up and down, and the lower end of the positioning formpiston is matched with the positioning surface of pulse ripple, positioning sun The upper end of mould is embedded in a through-hole of upper die body by a connecting rod, and compressible elastic fluid is equipped with around connecting rod, Forming formpiston and the center for positioning formpiston are located at approximately the same plane, and the flat base of the lower mold body is equipped with the yin of protrusion Mould, the top of former are equipped with lateral grooving, the bottom of grooving be equipped with the matched forming cavity of pulse ripple and positioning chamber, The corresponding forming formpiston of forming cavity, the corresponding positioning formpiston of positioning chamber, longitudinal guide post is equipped on upper die body, is set in lower mold body There is guide sleeve corresponding with guide post.
CN201820539409.4U 2018-04-16 2018-04-16 A kind of shaping dies of pulse ripple fagging Active CN208341507U (en)

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Application Number Priority Date Filing Date Title
CN201820539409.4U CN208341507U (en) 2018-04-16 2018-04-16 A kind of shaping dies of pulse ripple fagging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820539409.4U CN208341507U (en) 2018-04-16 2018-04-16 A kind of shaping dies of pulse ripple fagging

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CN208341507U true CN208341507U (en) 2019-01-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637089A (en) * 2018-04-16 2018-10-12 西安飞机工业(集团)有限责任公司 A kind of shaping dies and manufacturing process of pulse ripple fagging

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108637089A (en) * 2018-04-16 2018-10-12 西安飞机工业(集团)有限责任公司 A kind of shaping dies and manufacturing process of pulse ripple fagging

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