CN106607484A - A roller type multi-section control section bar three-dimensional stretch-bending dieless forming device - Google Patents
A roller type multi-section control section bar three-dimensional stretch-bending dieless forming device Download PDFInfo
- Publication number
- CN106607484A CN106607484A CN201710069584.1A CN201710069584A CN106607484A CN 106607484 A CN106607484 A CN 106607484A CN 201710069584 A CN201710069584 A CN 201710069584A CN 106607484 A CN106607484 A CN 106607484A
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- section
- section bar
- running roller
- support
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a roller type multi-section control section bar three-dimensional stretch-bending dieless forming device and belongs to the technical field of metal section bar stretch-bending forming. The device is mainly applied to part manufacture of three-dimensional bending and twisting composite deformation of metal section bars. Multiple rollers are used and the positions and angles of the normal sections on the space of three-dimensional bending and twisting formed parts of section bars are subjected to section control, so that linear section bars are bent and twisted according to a preset trajectory to finish composite forming. One roller controls the spatial position and angle of one normal section of one formed part. The device consists of such parts as a machine base, a plurality of universal angle-adjustable supports and a group of forming rollers. One universal angle-adjustable support is provided with and controls one roller, so that the spatial position and the axial direction thereof can meet the deformation requirements. The machine base and the universal angle-adjustable supports are common parts; the group of forming rollers can be applied to formed parts with different bending curvatures of sections bars with the same section.
Description
Technical field
The present invention discloses a kind of roll-type multi-section control section bar three-dimensional bending dieless forming device, is related to a kind of section bar and draws
Curved, torsion forming device, the stretch bending that can be widely used for streamlined three-dimensional section bar structural member reverse shaping, belong to shape stretch bending
Forming technique field.
Background technology
As the extensive application of three-dimensional bending formed parts, axial length are longer, each point bending radius is larger, cross sectional shape
Complicated shape three-dimensional is adopted substantially at present and carries out two-dimentional bending forming using stretch bending mold on stretch benders, then
Unload workpiece and carry out artificial torsion and make.
What prior art had the solve only section bar in section bar three-dimensional bending forming process enters mould, shaping, springback control and
Mold component generalization problem.Adjustment and control due to having lacked one degree of freedom, section bar is when shaping generation resilience is reversed
Windup-degree can not be compensated, and need to be modified to shaping module.In place of the deficiencies in the prior art it is, each stretch bending zero
Part is required for one group of corresponding shaping module, even for same cross-sectional and the close part of bending direction be also required to it is different into
Shape module.The art of this patent contribution is to find a kind of more preferable three-dimensional bending forming device of versatility and method, and practical application is more
For flexible, efficient, forming accuracy is higher.
The content of the invention
The present invention provides a kind of roll-type multi-section and controls section bar three-dimensional bending dieless forming device, solves well existing
The deficiency of technology.
In field of mechanical technique, stretch wrap forming is a kind of punch manufacturing process, is made by stretch benders by linear section bar
Section bar gradually fits punch and bending shaping, and the position that unique size and dimension does not produce change after section bar shaping is into
Normal section on shape part（Change very little, so approx can think）.The present invention is in section bar normal direction using one group of axis
In the plane in section, profile is pressed the running roller of section bar cross section profile design and builds the discontinuous punch required for a section bar shaping
Group come realize mouldless shaping be the purpose of the present invention be located.
For achieving the above object, a kind of roll-type multi-section control section bar three-dimensional bending dieless forming device of the invention, its technology
Solution is as follows：
Section bar realizes mouldless shaping by one group of running roller in stretch wrap forming；Wherein, if including a support, several running rollers and
Dry universal angle adjustable support；The left and right lateral attitude of universal angle adjustable support is positioned at machine successively using feather key
In T-slot on seat, and can be fixedly connected with support with T-bolt along the movable adjustment position of T-slot；Running roller passes through which
On center hole coordinate and be installed on the bulb threaded rod on universal angle adjustable support, which is axially moved along bulb threaded rod
Dynamic position is limited by nut；By adjusting front and back position of the universal angle adjustable support on support and bulb threaded rod
The position of axis direction and nut determines running roller position spatially.
Roll-type multi-section of the present invention controls section bar three-dimensional bending forming device, it is characterised in that：Running roller is to be based on
Section bar cross-section profile shape and size simultaneously reserve the revolving body that appropriate gap is built according to setting gyroaxis, and center processes vertically
There is the hole with bulb threaded rod external diameter precise match.
Roll-type multi-section of the present invention controls section bar three-dimensional bending forming device, it is characterised in that：Support is accurate
The rectangular flat of the T-shaped gathering sill of transversely parallel equidistant is offered, for installing universal angle adjustable support.
Roll-type multi-section of the present invention controls section bar three-dimensional bending forming device, it is characterised in that：Universal angle can
Adjustment support is mainly made up of carrier base, upper and lower two closed spherical pairs and bulb threaded rod；Described carrier base is one
Plate component with column, offers accurate guide-localization hole along the longitudinal direction on column, seat board is opened up in left-right direction
There are guide-localization groove, guide-localization hole and guide-localization slot space to be mutually perpendicular to；Described upper closed spherical pair is by hemisphere
The part of the spherical revolving body composition of face threaded rod, hemisphere surface cover and middle with hole, the closed spherical pair pass through hemisphere face
Threaded rod is coordinated with the cylindrical hole on carrier base, can be moved forward and backward, is fixed on carrier base with former and later two nuts；Under described
The part that closed spherical pair is made up of hemisphere face slide block, hemisphere surface cover and bulb threaded rod, in the closed spherical pair
Hemisphere face slide block be slidably matched with the T-slot on carrier base seat board, it is possible to move left and right, be fixed on support with T-bolt
On seat；Running roller, nut and nut are installed on described bulb threaded rod, upper end is sleeved in the hole in spherical revolving body, can
It is relative to slide；When the position of closed spherical pair under the position for adjusting upper closed spherical pair in front and back, left and right adjustment, bulb spiral shell
The axis direction of rasp bar and locus will change, and the axis direction of running roller and locus are controlled, and have been realized
The multi-dimensional direction adjustment of limit.
Nut limits the bottom dead center position of running roller, that is, the initial position of running roller；Double nut limits the top dead centre of running roller
The position of position, top dead center position i.e. running roller at the end of section bar shaping.The quantity of running roller need to be completely covered whole section bar
Deformed region.
As three-dimensional bending forming process progresses into each running roller groove, therefore appropriate adjusting nut with torsion
Initial position be necessary, it is ensured that section bar can smoothly enter each running roller.
When there is resilience to occur, front and back position of the universal angle adjustable support on support, universal angle can be adjusted
The position of the space angle and nut of the bulb threaded rod of adjustable support solves.
The support and universal angle adjustable support of the present invention is spare part in common use, and a composition shape running roller is applicable to identical
The formation of parts of the differently curved curvature of section section bar.
The positive effect of the present invention is：
Using multiple running rollers, the normal section position spatially of partial cross-section control section bar three-dimensional bending formation of parts and angle
Degree, makes linear section bar complete combined shaping by the predetermined piecewise flexion torsion in track；One running roller controls a formation of parts
A normal section locus and angle；Shape is constituted by a support, several universal angle adjustable supports and one
The parts such as running roller constitute, a running roller is installed and controlled on a universal angle adjustable support, it is ensured that its locus and
Axis direction meets deformation requirements.
Description of the drawings
Fig. 1 be the present invention general view, the graphics at the end of stretch wrap forming；
Fig. 2 is the front view of the general view of the present invention；
Fig. 3 is the general assembly graphics of the universal angle adjustable support of apparatus of the present invention；
Fig. 4 is the general assembly front view of the universal angle adjustable support of the present invention；
Fig. 5 is the A-A sectional views of universal angle adjustable support general assembly drawing；
In figure：1. support；2. universal angle adjustable support；3. running roller；4. section bar；5. carrier base；6. tommyhead bolt and nut；
7.T shapes bolt and nut；8. hemisphere face slide block；9. hemisphere surface cover；10. lower dead center adjusting nut；11. top dead centres adjust spiral shell
It is female；12. bulb threaded rods；13. hemisphere surface covers；14. spherical revolving bodies；15. hemisphere face threaded rods；16. nuts；17. are oriented to
Key.
Specific embodiment
Embodiment 1
Referring to accompanying drawing, sent out by 9 running rollers 3 and 92 construction costs of universal angle adjustable support for one group shown in Fig. 1 ~ Fig. 5
Bright device.Wherein, support 1 and universal angle adjustable support 2 are spare part in common use, should be according to the production outline of product and three-dimensional
The structural parameters of stretch benders are designed and make it the processing for adapting to various stretch bending parts as much as possible；Adjustable of universal angle
Frame can be designed to the Series Universal or building block of different size and angle adjustment scope, and the T-slot that should be opened up with base
Match；Running roller outline groove should be designed according to section bar cross section profile, and required avoidance gap should be located at non-receiving thereon
On power face, the axis direction of running roller should be set according to the angle adjustment scope of the bending characteristicses of bool and ball screw,
Roller diameter and supplementary structure part can be designed according to intensity requirement.
The running roller 3 that the present invention is simply and readily manufactured by one group, several universal angle adjustable supports 2 and a support
1 composition.Running roller 3 is sleeved on the bulb threaded rod 12 on universal angle adjustable support 2, and which can be on bulb threaded rod 12
Slide along axle, sliding scale is limited by nut 10 and nut 11；Universal angle adjustable support 2 is positioned successively using feather key 17
In the T-slot on support 1, and can be fixedly connected with support 1 with T-bolt 7 along the movable adjustment position in T-slot direction.
Described running roller 3, its appearance profile should be designed according to section bar cross section profile, and appropriate keeping away is reserved on non-stress face
Allow gap, axis direction and the roller diameter size should be with reference to the knot of the section of section bar, contour shape, bending characteristicses and whole device
Structure is flexibly designed, and running roller 3 should process the interstitial hole matched with bulb threaded rod 12.
Described support 1 is the rectangular flat of the T-shaped gathering sill for accurately offering transversely parallel equidistant thereon, for fixed
Position is installed by universal angle adjustable support 2.
In order to the locus and axis direction that ensure running roller 3 are correct, the present invention devises a kind of universal angle and can adjust
Support 2.Universal angle adjustable support 2 is main by carrier base 5, upper and lower two closed spherical pairs and 12 structure of bulb threaded rod
Into.Carrier base 5 is a plate component with column, and column design has a cylindrical guide-localization hole, opens up on seat board
There is T-shaped guiding fixing groove, hole, the axis of groove are spatially mutually perpendicular to, and parallel with seating plane.Described upper closed sphere
Pair is made up of the spherical revolving body 14 of hemisphere face threaded rod 15, hemisphere surface cover 13 and middle with hole, the closed spherical pair
Coordinated with the cylinder interporal lacuna on carrier base 5 by hemisphere face threaded rod 15, can be moved forward and backward, be fixed on two nuts 16 and propped up
On stand 5.Under described, closed spherical pair is made up of hemisphere face slide block 8, hemisphere surface cover 9 and bulb threaded rod 12, should
Hemisphere face slide block 8 in closed spherical pair is slidably matched with the T-slot on 5 seat board of carrier base, it is possible to is moved left and right, is used T
Type bolt 6 is fixed on carrier base 5.Described 12 upper end of bulb threaded rod is sleeved in the centre bore of spherical revolving body 14, roller
Wheel 3 is sleeved on bulb threaded rod 12.When closed spherical pair under the position for adjusting upper closed spherical pair in front and back, left and right adjustment
Position when, the axis direction of bulb threaded rod 12 and locus arbitrarily can change, i.e., the axis direction of running roller 3 can be obtained
Control, realizes limited multi-dimensional direction adjustment.Nut 10 limits the bottom dead center position of running roller 3, that is, the initial bit of running roller 3
Put；Double nut 11 limits the top dead center position of running roller 3, the position of top dead center position i.e. running roller 3 at the end of section bar shaping.
The quantity of running roller 3 need to be completely covered the deformed region of whole section bar.
As three-dimensional bending forming process progresses into each running roller groove, therefore appropriate adjusting nut with torsion
10 initial position is necessary, it is ensured that section bar can smoothly enter each running roller 3.
When there is resilience to occur, front and back position of the universal angle adjustable support 2 on support 1, universal angle can be adjusted
The position of the space angle and nut 11 of the bulb threaded rod 12 of degree adjustable support 2 solves.
Need to be adjusted this device installation before stretch wrap forming, and should carry out in the steps below.
1）Stretch benders parameter according to being used is properly positioned installation support 1 on stretch benders, adjustable of universal angle
The horizontal equidistant placement of feather key of frame 2 is not temporarily fixed on support 1.
2) determine bool relative position with the present invention spatially, bool should be at all running rollers 3 and can adjust
Within the scope of arrival, i.e., all running rollers 3 on this device should be able to cover the effective deformation region of bool.Described herein is curved
Bent part is the three-dimensional bending part CAD diagram after considering resilience parameter.Now bool and each universal angle adjustable support 2 are on a left side
Right horizontal position determines that.
3) make a normal direction transversal plane of the figure using three-dimensional drawing software on three-dimensional bending part CAD diagram, while obtaining
Obtained a normal cross sectional drawing；According to the running roller size and running roller for having designed relative to the position of section bar normal cross sectional drawing, do
Go out the straight line by running roller axis, the straight line with parallel to plane on support 1 and by universal angle adjustable support 2
Two closed sphere sub-centers two planes intersect, obtain two intersection points, we define with by upper closed spherical pair
The plane point of intersection at center is upper intersection point, and the plane point of intersection with sphere sub-center closed by under is lower intersection point；Adjustment normal direction is horizontal
The position of cutting plane, makes the upper closed sphere sub-center on intersection point and a universal angle adjustable support 2 in device
Left and right directions distance close to zero（Generally less than 0.1mm just can be with）；On this, the position of intersection point can be considered closed
The position of sphere sub-center, lower position of intersecting point be under closed sphere sub-center position；Under closed sphere sub-center
Position is exactly the front and back position of the universal angle adjustable support 2, and now the universal angle adjustable support 2 is on support 1
Position determines that.Position of all universal angle adjustable supports 2 on support 1 is according to said method determined successively, and uses T-shaped spiral shell
Bolt 7 is fixed.Lower intersection point closed sphere sub-center closed spherical pair with the case where the difference of left and right directions is exactly with upper intersection point
Center distance in the lateral direction, by this difference adjustment hemisphere face slide block 8 right position and fixed with tommyhead bolt 6.Lower friendship
Point with upper intersection point on the difference of fore-and-aft direction is exactly closed sphere sub-center with closed sphere sub-center in front and back
Distance upwards, by this difference adjustment hemisphere face threaded rod 15 front and back position and fixed with two nuts 16.Measure lower intersection point
Away from the upper plan range of running roller 3, determine the position of nut 11 and locked with double nut.Nut 10 regards the position of stretch benders prestretching workpiece
Put and the concrete condition of forming process difference adjustment position, be smoothly optimum position as principle into the groove of running roller 3 with workpiece.
So far at the beginning of a kind of roll-type multi-section control section bar three-dimensional bending dieless forming device of three-dimensional bending shaping bool
Beginning adjustment installment work terminates, into the examination stretch bending stage.Each running roller 3 is adjusted according to the shaping situation of examination stretch wrap forming part
Locus, till bool meets user's requirement.
Claims (4)
1. a kind of roll-type multi-section controls section bar three-dimensional bending dieless forming device, it is characterised in that：Section bar in stretch wrap forming,
Mouldless shaping is realized by one group of running roller；Wherein, prop up including a support, several running rollers and several universal angles are adjustable
Frame；In the T-slot that the left and right lateral attitude of universal angle adjustable support is positioned on support successively using feather key, and can edge
T-slot moves forward and backward adjustment position, is fixedly connected with support with T-bolt；Running roller is coordinated by center hole thereon to be installed
On the bulb threaded rod on universal angle adjustable support, which is limited by nut along the position of bulb threaded rod axial movement；
By the position for adjusting the axis direction and nut of front and back position of the universal angle adjustable support on support and bulb threaded rod
Put determination running roller position spatially.
2. roll-type multi-section according to claim 1 controls section bar three-dimensional bending forming device, it is characterised in that：Running roller is
Based on section bar cross-section profile shape and size and reserve appropriate gap according to setting gyroaxis build revolving body, center is vertically
It is machined with the hole with bulb threaded rod external diameter precise match.
3. roll-type multi-section according to claim 1 controls section bar three-dimensional bending forming device, it is characterised in that：Support is
The rectangular flat of the T-shaped gathering sill of transversely parallel equidistant is offered accurately, for installing universal angle adjustable support.
4. according to the roll-type multi-section control section bar three-dimensional bending forming device described in claim 1, it is characterised in that：Universal angle
Adjustable support is mainly made up of carrier base, upper and lower two closed spherical pairs and bulb threaded rod；Described carrier base is one
The individual plate component with column, offers accurate guide-localization hole along the longitudinal direction on column, seat board is opened in left-right direction
Guide-localization groove is provided with, guide-localization hole and guide-localization slot space are mutually perpendicular to；Described upper closed spherical pair is by half
The part of the spherical revolving body composition of sphere threaded rod, hemisphere surface cover and middle with hole, the closed spherical pair pass through hemisphere
Face threaded rod is coordinated with the cylindrical hole on carrier base, can be moved forward and backward, is fixed on carrier base with former and later two nuts；Described
Under the part that is made up of hemisphere face slide block, hemisphere surface cover and bulb threaded rod of closed spherical pair, the closed spherical pair
On hemisphere face slide block be slidably matched with the T-slot on carrier base seat board, it is possible to move left and right, be fixed on T-bolt
On stand；Running roller, nut and nut are installed on described bulb threaded rod, upper end is sleeved in the hole in spherical revolving body,
Relative can slide；When the position of closed spherical pair under the position for adjusting upper closed spherical pair in front and back, left and right adjustment, bulb
The axis direction of threaded rod and locus will change, and the axis direction of running roller and locus are controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069584.1A CN106607484B (en) | 2017-02-08 | 2017-02-08 | Roll-type multi-section controls section bar three-dimensional bending dieless forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069584.1A CN106607484B (en) | 2017-02-08 | 2017-02-08 | Roll-type multi-section controls section bar three-dimensional bending dieless forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106607484A true CN106607484A (en) | 2017-05-03 |
| CN106607484B CN106607484B (en) | 2017-09-01 |
Family
ID=58636339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069584.1A Active CN106607484B (en) | 2017-02-08 | 2017-02-08 | Roll-type multi-section controls section bar three-dimensional bending dieless forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106607484B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500093A (en) * | 2018-05-11 | 2018-09-07 | 浙江大学 | A kind of adjustable variable curvature pipe fitting pane bending apparatus |
| CN108687184A (en) * | 2018-04-03 | 2018-10-23 | 浙江创大汽车部件有限公司 | The bending equipment of front and rear beam |
| CN108760218A (en) * | 2018-05-22 | 2018-11-06 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of wind-tunnel flexible jet pipe deep camber thin-walled flex plate hinge-coupled device |
| CN109127913A (en) * | 2018-10-19 | 2019-01-04 | 吉林大学 | Multi-section around own axis controls profile three-dimensional bending forming mold |
| CN110722027A (en) * | 2019-11-05 | 2020-01-24 | 王蒙蒙 | Steel structure section processing and rounding machine and processing and rounding method |
| CN111822561A (en) * | 2019-05-14 | 2020-10-27 | 哈尔滨工业大学 | Section bar or bar die-free hot bending forming follow-up bending device and using method |
| CN112318653A (en) * | 2020-09-28 | 2021-02-05 | 同济大学 | Mould-free curved wood member processing system and processing method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4213490C1 (en) * | 1992-04-24 | 1993-09-30 | Deutsche Aerospace Airbus | Composite shaping body for stretch-forming machine - has supporting heads with similarly-curving surfaces tilting in all directions on jacks for elastic cover accommodating metal sheet |
| CN100999000A (en) * | 2007-01-08 | 2007-07-18 | 吉林大学 | Three-dimensional curve flexible shaping device using bend flexible roller |
| CN201871589U (en) * | 2010-09-02 | 2011-06-22 | 吉林麦达斯铝业有限公司 | General jig for three dimensional bending section material |
| CN102240711A (en) * | 2011-06-28 | 2011-11-16 | 于沛洲 | Three-dimensional bending, twisting and forming die based on multi-point control |
| CN103736850A (en) * | 2013-12-22 | 2014-04-23 | 吉林大学 | Six-freedom-degree control blocking type flexible section bar three-dimensional stretch bending die and forming process |
| CN104209414A (en) * | 2014-08-21 | 2014-12-17 | 长春市正通科技开发有限公司 | Supplanting pad block type multi-point forming three-dimensional stretch bending mold and forming method |
| KR20150107310A (en) * | 2014-03-14 | 2015-09-23 | 박길미 | Mold unit for stretch bender |
| US20160038987A1 (en) * | 2009-04-21 | 2016-02-11 | Fairmount Technologies Llc | Stretch roll forming |
| CN106363083A (en) * | 2016-08-31 | 2017-02-01 | 成都飞机工业（集团）有限责任公司 | Flexible bending mold and machining method for rapidly forming large-curvature profile piece |
-
2017
- 2017-02-08 CN CN201710069584.1A patent/CN106607484B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4213490C1 (en) * | 1992-04-24 | 1993-09-30 | Deutsche Aerospace Airbus | Composite shaping body for stretch-forming machine - has supporting heads with similarly-curving surfaces tilting in all directions on jacks for elastic cover accommodating metal sheet |
| CN100999000A (en) * | 2007-01-08 | 2007-07-18 | 吉林大学 | Three-dimensional curve flexible shaping device using bend flexible roller |
| US20160038987A1 (en) * | 2009-04-21 | 2016-02-11 | Fairmount Technologies Llc | Stretch roll forming |
| CN201871589U (en) * | 2010-09-02 | 2011-06-22 | 吉林麦达斯铝业有限公司 | General jig for three dimensional bending section material |
| CN102240711A (en) * | 2011-06-28 | 2011-11-16 | 于沛洲 | Three-dimensional bending, twisting and forming die based on multi-point control |
| CN103736850A (en) * | 2013-12-22 | 2014-04-23 | 吉林大学 | Six-freedom-degree control blocking type flexible section bar three-dimensional stretch bending die and forming process |
| KR20150107310A (en) * | 2014-03-14 | 2015-09-23 | 박길미 | Mold unit for stretch bender |
| CN104209414A (en) * | 2014-08-21 | 2014-12-17 | 长春市正通科技开发有限公司 | Supplanting pad block type multi-point forming three-dimensional stretch bending mold and forming method |
| CN106363083A (en) * | 2016-08-31 | 2017-02-01 | 成都飞机工业（集团）有限责任公司 | Flexible bending mold and machining method for rapidly forming large-curvature profile piece |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687184A (en) * | 2018-04-03 | 2018-10-23 | 浙江创大汽车部件有限公司 | The bending equipment of front and rear beam |
| CN108687184B (en) * | 2018-04-03 | 2024-05-24 | 浙江创大汽车部件有限公司 | Bending equipment for front and rear beams |
| CN108500093B (en) * | 2018-05-11 | 2019-04-30 | 浙江大学 | A kind of adjustable variable curvature pipe fitting pane bending apparatus |
| CN108500093A (en) * | 2018-05-11 | 2018-09-07 | 浙江大学 | A kind of adjustable variable curvature pipe fitting pane bending apparatus |
| CN108760218A (en) * | 2018-05-22 | 2018-11-06 | 中国航空工业集团公司沈阳空气动力研究所 | A kind of wind-tunnel flexible jet pipe deep camber thin-walled flex plate hinge-coupled device |
| CN108760218B (en) * | 2018-05-22 | 2020-01-24 | 中国航空工业集团公司沈阳空气动力研究所 | Hinge connecting device for large-curvature thin-wall flexible plate of wind tunnel flexible wall spray pipe |
| CN109127913A (en) * | 2018-10-19 | 2019-01-04 | 吉林大学 | Multi-section around own axis controls profile three-dimensional bending forming mold |
| CN111822561B (en) * | 2019-05-14 | 2022-02-11 | 哈尔滨工业大学 | Section bar or bar die-free hot bending forming follow-up bending device and using method |
| CN111822561A (en) * | 2019-05-14 | 2020-10-27 | 哈尔滨工业大学 | Section bar or bar die-free hot bending forming follow-up bending device and using method |
| CN110722027A (en) * | 2019-11-05 | 2020-01-24 | 王蒙蒙 | Steel structure section processing and rounding machine and processing and rounding method |
| CN110722027B (en) * | 2019-11-05 | 2021-01-15 | 瑞安市安泰地矿建筑工程有限公司 | Steel structure section processing and rounding machine and processing and rounding method |
| CN112318653B (en) * | 2020-09-28 | 2021-12-21 | 同济大学 | Mould-free curved wood member processing system and processing method |
| CN112318653A (en) * | 2020-09-28 | 2021-02-05 | 同济大学 | Mould-free curved wood member processing system and processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106607484B (en) | 2017-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106607484B (en) | Roll-type multi-section controls section bar three-dimensional bending dieless forming device | |
| CN103736850B (en) | Six degree of freedom control sectional type flexible section three-dimensional bending mould and moulding process | |
| CN104056883B (en) | The gradual bender of a kind of plate multi-pass | |
| CN101947597B (en) | Gradual die-less forming method | |
| Cai et al. | Principle and theoretical analysis of continuous roll forming for three-dimensional surface parts | |
| CN104438538B (en) | Three-dimensional curved surface stretch forming method based on surface-changing discrete mould | |
| CN103111499B (en) | Multi-point flexible roll forming method of three-dimensional curved surface member processing | |
| CN111873481B (en) | Compensation method for composite material forming resilience and die with adjustable forming surface | |
| CN103521607B (en) | Numerical-control progressive tube wall hole flanging and forming tool head and method | |
| CN203664507U (en) | Six-freedom-degree control partitioning type three-dimensional stretch-bending die for flexible section material | |
| CN105234239A (en) | Large-curvature three-dimensional hook face multi-step forming method based on gradually-changed mold molded face | |
| CN109127913B (en) | Multi-section around own axis controls profile three-dimensional bending forming mold | |
| CN103495635B (en) | Skin stretch-forming method with transition sectional face of flexible multipoint mould | |
| Cai et al. | Continuous flexible roll forming for three-dimensional surface part and the forming process control | |
| Wang et al. | Research on three-dimensional surface parts in multi-gripper flexible stretch forming | |
| CN103316970A (en) | Three-dimensional curved surface continuous roller bending and forming method | |
| Cai et al. | A novel continuous roll forming process of sheet metal based on bended rolls | |
| CN108280274B (en) | Curved surface expansion-drawing forming method driven by mold surface change | |
| CN102728706B (en) | Method for continuously and unevenly compressing and forming three-dimensional curved surface | |
| CN105880332B (en) | Hydraulic pressure hollow pipe fitting springback control device | |
| CN104438493A (en) | Continuous roll-forming method of constant-thickness curved surface | |
| CN109396307A (en) | A kind of thread rolling tooling of stud | |
| CN105344782B (en) | Using the large-scale curved piecewise manufacturing process of discrete type mould | |
| CN106694676A (en) | Mirror image roller incremental forming method for aircraft skin | |
| CN206500454U (en) | Structure improved bending machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |