CN209124737U - A kind of positioning flexible jig of stretch bending mold - Google Patents

A kind of positioning flexible jig of stretch bending mold Download PDF

Info

Publication number
CN209124737U
CN209124737U CN201821442251.5U CN201821442251U CN209124737U CN 209124737 U CN209124737 U CN 209124737U CN 201821442251 U CN201821442251 U CN 201821442251U CN 209124737 U CN209124737 U CN 209124737U
Authority
CN
China
Prior art keywords
pedestal
dovetails
thread spindle
flexible jig
stretch bending
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.)
Withdrawn - After Issue
Application number
CN201821442251.5U
Other languages
Chinese (zh)
Inventor
张春洋
李克明
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.)
Shenyang Aircraft Industry Group Co Ltd
Original Assignee
Shenyang Aircraft Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenyang Aircraft Industry Group Co Ltd filed Critical Shenyang Aircraft Industry Group Co Ltd
Priority to CN201821442251.5U priority Critical patent/CN209124737U/en
Application granted granted Critical
Publication of CN209124737U publication Critical patent/CN209124737U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The utility model provides a kind of positioning flexible jig of stretch bending mold, including dovetails, thread spindle, nut, pedestal, screw, briquetting and spring.Flexible jig is fixed on always on the workbench of stretch benders, and usual situation will not disassemble.Therefore, the installation operation that can simplify stretch bending mold, adjusts mounting height by lower disc nut, compresses stretch bending mold using upper layer nut.Simultaneously as there is flexible jig, the design height of every set stretch bending mold can be reduced, mold materials are not only saved, reduces the weight of every mold, mold processing can also be simplified, reduce machining amount.

Description

A kind of positioning flexible jig of stretch bending mold
Technical field
A kind of positioning flexible jig that the utility model relates to use on stretch bending machine, especially the fixture is for various The stretch bending mold of specification has versatility, and mounting height can be adjusted.
Background technique
Stretch bending forming is the main method of shape extrusion, needs to realize by stretch benders.Stretch benders are to pass through a left side The horizontal movement of right rocker arm, the movement that profile parts stretch bending, all movements are all horizontally oriented.The center of left and right rocker arm Vertical range of the wheelbase from stretch bending machine worktable is 267mm.Stretch benders working method signal such as Fig. 1.
If stretch bending mold is directly installed on the workbench of stretch benders, need the height design of stretch bending mold very Height, to meet the vertical range of workbench Yu left and right rocker arm central axis.In this case, mold is unfavorable for using and transporting again very much, And the consumption of materials of mold processing is very big;If increasing parallels below stretch bending mold come if adjusting height, although can It is reduced with the height of stretch bending mold, but mounting means is unstable.The height of parallels is fixed, or exists to need to adjust and draw The problem of bending mould and left and right rocker arm height and position, mold height, parallels height, profile specification and clamp form are all to influence Factor.
A kind of fixture being mounted on stretch bending machine worktable is designed, for installing stretch bending mold, and adjustable stretch bending The mounting height of mold, can be by this Resolving probiems.
Utility model content
The utility model creates that the technical problem to be solved is that provide a kind of fixed profile of stretch benders clamping that meets to draw The requirement of bending mould, and can be to the flexible jig that mounting height is adjusted.
A kind of positioning flexible jig of stretch bending mold, including dovetails 6, thread spindle 7, nut 8, pedestal 9, screw 10, briquetting 11 and spring 12;
The outer dimension of the pedestal 9 is 650mm × 400mm, offers location hole on pedestal 9, is used for adjustable clamp Tool is fixed on the workbench 5 of stretch benders;Dovetail groove and briquetting mounting hole are machined on pedestal 9 along its length, dovetail groove is used In adjustment 7 positional distance of thread spindle and realize being connected and fixed for thread spindle 7 and pedestal 9;
Dovetail groove in the dovetails 6 and pedestal 9 cooperates, and thread spindle 7 is pressed into dovetails 6, realizes thread spindle 7 It is connect with the transition fit of dovetails 6;The thread spindle after combination is packed into the pedestal 9 of flexible jig with dovetails again, dovetail Block 6 is contacted with the dovetail groove of pedestal 9, and thread spindle 7 is kept upright and is equipped with nut 8 on it;
It is the thread spindle 7 totally two, movable in the dovetail groove of pedestal 9, the distance of thread spindle 7 is adjusted with this;
The briquetting 11 totally two, the dovetails 6 for being respectively used to two thread spindle bottom ends are fixed, and are reversed dovetail Block structure, two waists of trapezoid cross section cooperate with 6 inclined-plane of dovetails of 7 bottom end of dovetail groove and thread spindle respectively, utilize inclined-plane original Dovetails 6 are pressed in the pedestal 9 of flexible jig by reason;It is provided with spring eye on briquetting 11, is packed into the spring eye of briquetting 11 Briquetting 11 is connect by spring 12 using screw 10 with the pedestal 9 of flexible jig;Position of the flexible jig on workbench 5 is adjusted, Keep the fixation hole of flexible jig pedestal 9 corresponding with the screw thread hole site of stretch bending machine worktable, is screwed into screw and flexible jig is installed It is fixed on stretch bending machine worktable.
The utility model has the beneficial effects that flexible jig is fixed on always on the workbench of stretch benders, usual situation It will not disassemble.Therefore, the installation operation that can simplify stretch bending mold adjusts mounting height, benefit by lower disc nut Stretch bending mold is compressed with upper layer nut.Simultaneously as there is flexible jig, the design that can reduce every set stretch bending mold is high Degree, not only saves mold materials, reduces the weight of every mold, can also simplify mold processing, reduce machining amount.
Detailed description of the invention
Fig. 1 (a) is stretch benders working method schematic diagram.
Fig. 1 (b) is stretch benders working method schematic diagram.
Fig. 2 is stretch bending mode structure schematic diagram.
Fig. 3 (a) is flexible jig understructure figure.
Fig. 3 (b) is flexible jig understructure figure.
Fig. 4 (a) is thread spindle, dovetails, nut assembly structure chart.
Fig. 4 (b) is thread spindle, dovetails, nut assembly structure chart.
Fig. 5 (a) is briquette structure figure.
Fig. 5 (b) is briquette structure figure.
Fig. 6 (a) is flexible jig installation diagram.
Fig. 6 (b) is flexible jig installation diagram.
In figure: 1 or so rocker arm;2 profile parties;3 stretch bending molds;4 parallels;5 workbench;6 dovetails;7 thread spindles;8 spiral shells It is female;9 pedestals;10 screws;11 briquettings;12 springs.
Specific embodiment
Below in conjunction with attached drawing and technical solution, specific embodiment of the present utility model is described in detail.
According to requirements, two are selected and needs the profile parts for carrying out stretch wrap forming to verify the effective of flexible jig Property:
Part 1: material trademark: 7B04-T74, material specification: XC111-37, size: 3500mm;
Part 2: material trademark: 7B04-T74, material specification: XC311-14, size: 1900mm.
The stretch bending mould of part 1, former design height are 295mm, the use of after flexible jig are 48mm;
The stretch bending mould of part 2, former design height are 290mm, the use of after flexible jig are 44mm.
The stretch bending mould of two parts, former design scheme need to consider jaw shapes, profile specification, spares bend shape etc. because Element carrys out matching design mold height.After flexible jig, the factor for influencing mold height only has profile specification.
After flexible jig, stretch bending mold simple installation.Screw is loosened, tightens screw after adjustment thread spindle distance;Rotation Turn lower layer's nut, adjust the mounting height of stretch bending mold, finally selects the fixed stretch bending mould of upper layer nut.
Specific mounting means is as described below:
(1) firstly, increasing through-hole in stretch bending mould to realize the installation positioning of stretch bending mould, as shown in Fig. 2, macropore is to mitigate Hole, aperture are location hole;Carry out Design Orientation axis further according to the size of location hole, for the adjustability for realizing mounting height, will position Axis is designed to thread spindle;Then the installation positioning of flexible jig pedestal is designed according to screw hole original on stretch bending machine worktable Mode;The connection type of last Design Orientation thread spindle and flexible jig pedestal, is combined using dovetail groove and bevel structure It is connected and fixed mode.
(2) design structure of flexible jig pedestal
Original 6 row 13 arranges equidistant threaded hole on stretch bending machine worktable, and is furnished with screw, can be used for fixing flexible jig On the table.According to the dimensions of statistics stretch bending mould, the outer dimension of design flexible jig pedestal is 650mm × 400mm, The installation requirement of all stretch bending moulds can be met.Therefore, according to outer dimension, 2 rows 5 column are designed on pedestalPositioning Hole, for flexible jig to be fastened on to the workbench of stretch benders.The dovetail groove of design processing along its length, full on pedestal Foot adjustment thread spindle positional distance and realize being connected and fixed for thread spindle and pedestal.The rapidoprint of flexible jig pedestal is Q235-A.F, structure such as Fig. 3.
(3) design structure of thread spindle, dovetails, nut assembly
To guarantee mounting stability, need to design two thread spindles for fixing stretch bending mould.Due to the positioning on stretch bending mould The diameter in hole is 65mm, so the diameter design of thread spindle is 60mm.And since thread spindle needs to carry the weight of stretch bending mould And the clamping force of installation, therefore use the biggish T-type screw thread of bearing capacity.For improve thread spindle intensity, using alloy steel products Expect 40Cr, final heat treatment state is 45~48HRC.To meet clamping stretch bending mould and the requirement of mounting height can be adjusted, often Two collar plate shape nuts, diameter 150mm are designed on root thread spindle, and use identical T-type screw thread specification with thread spindle.Circle Dish-type nut is directly contacted with stretch bending mould, and is also required to the weight and installation clamping force of carrying stretch bending mould, it is also desirable to be had very High intensity, therefore high-quality structural steel 45 is used, final heat treatment state is 45~48HRC.Two thread spindles are required to It is movable in the dovetail groove of adjustable clamping, the distance of thread spindle is adjusted with this, for meeting different stretch bending mould specifications.It needs Dovetails are designed in thread spindle bottom end, can slide along the dovetail groove of pedestal.Dovetails gradient should be with flexible jig bottom The gradient of seat dovetail groove is consistent.Meanwhile needing to process central through hole in dovetails, it is pressed into thread spindle for reversely installing, and And it is connected and fixed by the way of transition fit.Dovetails do not need to carry too big active force, and rapidoprint is using common knot Structure steel Q235-A.F.Structure such as Fig. 4 after thread spindle, dovetails and nut combination.
(4) briquetting design structure
Due to the dovetails of thread spindle bottom end, it is desirable to be able to be slided in the pedestal of flexible jig, and in two screw threads After the adjustment of the distance between axis, additionally it is possible to fixed, it is therefore desirable to increase by two briquettings of design, come two thread spindle bottom ends respectively Dovetails be fixed.Briquetting is designed as asymmetric, reversed dovetail block structure, two waists of trapezoid cross section respectively with adjustable clamp The dovetail groove of tool and the dovetails inclined-plane cooperation of thread spindle bottom end, being pressed on thread spindle dovetails using inclined plane principle can In the pedestal for adjusting fixture.3 screw holes are designed on each briquetting, while also designing screw thread in the corresponding position of flexible jig pedestal Hole connect with pedestal for briquetting, and clamps dovetails using the pressing force of screw.After not influencing thread looseness, screw thread Activity of the axis dovetails in pedestal dovetail groove, needs to bounce briquetting, therefore design spring eye on briquetting, with spring come real Existing briquetting can bounce.Briquetting needs dovetails to contact and provides pressing force, so rapidoprint selects high-quality structural steel 45, most Whole condition of heat treatment is 45~48HRC.Briquette structure such as Fig. 5.
(5) assembly of flexible jig
Thread spindle is pressed into dovetails first, realizes that the transition fit of thread spindle and dovetails connects.It again will be after combination Thread spindle and dovetails are packed into the pedestal of flexible jig, and dovetails are contacted with the dovetail groove of pedestal, and thread spindle is kept upright simultaneously Disk nut is installed.Then briquetting is installed, be packed into spring in the spring eye of briquetting, using screw by briquetting and flexible jig Pedestal connection, it is not necessary to tighten.Finally, flexible jig is carried and is placed in stretch bending by the hanging ring of flexible jig pedestal surrounding On the workbench of machine, the position of adjustment flexible jig on the table makes the fixation hole of flexible jig pedestal and stretch benders work The screw thread hole site of platform is corresponding, is screwed into screw and flexible jig is fixed on stretch bending machine worktable, flexible jig assembly knot Structure such as Fig. 6.

Claims (1)

1. a kind of positioning flexible jig of stretch bending mold, which is characterized in that the positioning of the stretch bending mold is adjustable Fixture includes dovetails (6), thread spindle (7), nut (8), pedestal (9), screw (10), briquetting (11) and spring (12);
The outer dimension of the pedestal (9) is 650mm × 400mm, and pedestal offers location hole on (9), is used for adjustable clamp Tool is fixed on the workbench (5) of stretch benders;Pedestal is machined with dovetail groove and briquetting mounting hole, dovetail on (9) along its length Slot is used to adjust thread spindle (7) positional distance and realizes being connected and fixed for thread spindle (7) and pedestal (9);
Dovetail groove in the dovetails (6) and pedestal (9) cooperates, and thread spindle (7) is pressed into dovetails (6), realizes spiral shell Line axis (7) is connect with the transition fit of dovetails (6);Again by the pedestal of thread spindle and dovetails loading flexible jig after combination (9) in, dovetails (6) are contacted with the dovetail groove of pedestal (9), and thread spindle (7) is kept upright and is equipped with nut (8) on it;
The thread spindle (7) totally two, it is movable in the dovetail groove of pedestal (9), with this come adjust thread spindle (7) away from From;
The briquetting (11) totally two, the dovetails (6) for being respectively used to two thread spindle bottom ends are fixed, and are reversed dovetail Block structure, two waists of trapezoid cross section cooperate with dovetail groove and dovetails (6) inclined-plane of thread spindle (7) bottom end respectively, using oblique Dovetails (6) are pressed in the pedestal (9) of flexible jig by face principle;Briquetting is provided with spring eye on (11), in briquetting (11) Spring (12) are packed into spring eye, are connect briquetting (11) with the pedestal (9) of flexible jig using screw (10);Adjust adjustable clamp Have the position on workbench (5), makes the fixation hole of flexible jig pedestal (9) and the screw thread hole site pair of stretch bending machine worktable It answers, is screwed into screw and flexible jig is fixed on stretch bending machine worktable (5).
CN201821442251.5U 2018-09-04 2018-09-04 A kind of positioning flexible jig of stretch bending mold Withdrawn - After Issue CN209124737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821442251.5U CN209124737U (en) 2018-09-04 2018-09-04 A kind of positioning flexible jig of stretch bending mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821442251.5U CN209124737U (en) 2018-09-04 2018-09-04 A kind of positioning flexible jig of stretch bending mold

Publications (1)

Publication Number Publication Date
CN209124737U true CN209124737U (en) 2019-07-19

Family

ID=67228677

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821442251.5U Withdrawn - After Issue CN209124737U (en) 2018-09-04 2018-09-04 A kind of positioning flexible jig of stretch bending mold

Country Status (1)

Country Link
CN (1) CN209124737U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108856526A (en) * 2018-09-04 2018-11-23 沈阳飞机工业(集团)有限公司 A kind of positioning flexible jig of stretch bending mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108856526A (en) * 2018-09-04 2018-11-23 沈阳飞机工业(集团)有限公司 A kind of positioning flexible jig of stretch bending mold
CN108856526B (en) * 2018-09-04 2024-01-23 沈阳飞机工业(集团)有限公司 Positioning adjustable clamp of profile stretch bending die

Similar Documents

Publication Publication Date Title
CN206567863U (en) A kind of centering and clamping apparatus of elliposoidal workpiece
CN104858685B (en) Conical radome machining and fixing fixture
CN208681036U (en) A kind of numerically-controlled machine tool Workpiece clamping device
CN107900714A (en) A kind of wedge shape adjustable support tooling
CN103252670A (en) Fixture structure used for glass mold blank matching surface machining
CN209124737U (en) A kind of positioning flexible jig of stretch bending mold
CN106180417A (en) A kind of cast iron mould with regulatory function
CN207155304U (en) A kind of quick regulation fixture of working shaft-like part
CN104647086A (en) Universal axle housing clamping device
CN108856526A (en) A kind of positioning flexible jig of stretch bending mold
CN204819154U (en) Frock clamp of floating gripper
CN107116424A (en) A kind of grinding and polishing device
CN108907789B (en) Flexibly-adjustable clamp with lifting function
CN205111389U (en) Position adjustable numerical control lathe anchor clamps
CN207344196U (en) A kind of crossbeam fixture
CN203254201U (en) Fixture structure for glass mold workblank matching surface machining
CN208697761U (en) A kind of four column type lifting clamp die mechanism of vulcanizer
CN104608389A (en) Bottom support structure for delta 3D printer
CN211277529U (en) Coffee machine lift layer board processing positioning jig
CN211760660U (en) Novel hardware polishing device
CN209078446U (en) A kind of automatic milling and grinding machine of eyeglass
CN207548437U (en) A kind of more size cylindrical workpiece automatically grinding equipment
CN207534677U (en) A kind of linking arm tooling
CN205218820U (en) Taper hole grinding fixture in main shaft
CN207155256U (en) A kind of self-adjustable body of numerical-control milling machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20190719

Effective date of abandoning: 20240123

AV01 Patent right actively abandoned

Granted publication date: 20190719

Effective date of abandoning: 20240123

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned