CN106607484B - Roll-type multi-section controls section bar three-dimensional bending dieless forming device - Google Patents
Roll-type multi-section controls section bar three-dimensional bending dieless forming device Download PDFInfo
- Publication number
- CN106607484B CN106607484B CN201710069584.1A CN201710069584A CN106607484B CN 106607484 B CN106607484 B CN 106607484B CN 201710069584 A CN201710069584 A CN 201710069584A CN 106607484 B CN106607484 B CN 106607484B
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- China
- Prior art keywords
- section bar
- support
- threaded rod
- disk roller
- dimensional bending
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention provides a kind of roll-type multi-section control section bar three-dimensional bending dieless forming device, belongs to shape stretch wrap forming technical field.The three-dimensional bending for being mainly used in shape reverses the part manufacture of composite deformation.The present invention makes linear section bar complete combined shaping by the predetermined piecewise flexion torsion in track using multiple disk rollers, the normal section position spatially of the three-dimensional bending formation of parts of partial cross-section control section bar and angle.One disk roller controls locus and the angle of a normal section of a formation of parts.It is built-up that the present invention constitutes the parts such as shape disk roller by a support, several universal angle adjustable supports and one.Installed on one universal angle adjustable support and control a disk roller, it is ensured that its locus and axis direction meet deformation requirements.The support and universal angle adjustable support of the present apparatus are spare parts in common use, and a composition shape disk roller is applicable to the formation of parts of the differently curved curvature of same cross-sectional section bar.
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 building mortion, the stretch bending that can be widely used for the three-dimensional section bar structural member of streamlined reverses shaping, belongs to shape stretch bending
Forming technique field.
Background technology
With the extensive use of three-dimensional bending formed parts, axial length is longer, and each point bending radius is larger, cross sectional shape
Complicated shape three-dimensional carries out two-dimentional bending forming using on stretch benders using stretch bending mold substantially at present, then
Artificial reverse of workpiece progress is unloaded to be made.
The section bar that what prior art had solve only in section bar three-dimensional bending forming process enter mould, shaping, springback control and
Mold component generalization problem.Due to having lacked the adjustment and control of one degree of freedom, section bar is when reversing shaping generation resilience
Windup-degree can not be compensated, and shaping module need to be modified.It is in place of the deficiencies in the prior art, 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 building mortion of versatility and method, and practical application is more
To be flexible, efficient, forming accuracy is higher.
The content of the invention
The present invention provides a kind of roll-type multi-section control 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-pin manufacturing process, is to be made by linear section bar by stretch benders
Section bar gradually fits punch-pin and bending shaping, and the position that unique size and dimension does not produce change after section bar shaping is into
Normal section (changing very little, so can approx think) on shape part.The present invention is in section bar normal direction using one group of axis
In the plane in section, the disk roller that profile is designed by section bar cross section profile build discontinuous punch-pin required for the shaping of section bar
Group realizes mouldless shaping, where this is the purpose of the present invention.
To achieve the above object, a kind of roll-type multi-section of the invention control section bar three-dimensional bending dieless forming device, its
Technical solution is as follows：
Section bar realizes mouldless shaping in stretch wrap forming by one group of disk roller；Wherein, including support, several disk rollers
With several universal angle adjustable supports；The left and right lateral attitude of universal angle adjustable support is positioned successively using feather key
In in the T-slot on support, and adjustment position can be moved forward and backward along T-slot, be fixedly connected with T-bolt A with support；Disk roller leads to
Cross center hole thereon and coordinate and is installed on the bulb threaded rod on universal angle adjustable support, it is along bulb threaded rod axle
Limited to mobile position by adjusting nut；By adjusting front and back position and bulb of the universal angle adjustable support on support
The axis direction of threaded rod and the position of adjusting nut determine the position of disk roller spatially.
Roll-type multi-section of the present invention controls section bar three-dimensional bending dieless forming device, it is characterised in that：Disk 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.
Roll-type multi-section of the present invention controls section bar three-dimensional bending dieless forming device, it is characterised in that：Support is
The accurate rectangular flat for offering the transversely T-slot of parallel equidistant, for installing universal angle adjustable support.
Roll-type multi-section of the present invention controls section bar three-dimensional bending dieless forming device, it is characterised in that：Universal angle
Spend adjustable support main by carrier base, two closed spherical pairs and bulb threaded rod are constituted up and down；Described carrier base is
Accurate guide-localization hole is offered along the longitudinal direction on one plate component with column, column, and seat board is in left-right direction
Guide-localization groove is offered, guide-localization hole and guide-localization slot space are mutually perpendicular to；Described upper closed spherical pair be by
The part of the spherical revolving body composition of hemisphere face threaded rod, hemisphere surface cover A and middle with hole, the closed spherical pair passes through half
Sphere threaded rod coordinates with the guide-localization hole on carrier base, can move forward and backward, support is fixed on former and later two adjusting nuts
On seat；The part that closed spherical pair is made up of hemisphere face sliding block, hemisphere surface cover B and bulb threaded rod under described, should
Hemisphere face sliding block in closed spherical pair is slidably matched with the T-slot on carrier base seat board, it is possible to move left and right, with T-shaped
Bolt B is fixed on carrier base；Disk roller, lower dead center adjusting nut and top dead centre adjustment spiral shell are installed on described bulb threaded rod
Mother, upper end is sleeved in the hole in spherical revolving body, relative can be slided；It is left when the position of closed spherical pair in front and rear adjustment
Under right adjustment during the position of closed spherical pair, the axis direction of bulb threaded rod and locus will change, disk roller
Axis direction and locus controlled, realize limited multi-dimensional direction adjustment.
Lower dead center adjusting nut limits the bottom dead center position of disk roller, that is, disk roller initial position；Top dead centre adjusts spiral shell
Mother limits the top dead center position of disk roller, i.e. position of the top dead center position disk roller at the end of section bar shapes.The quantity of disk roller
The deformed region of whole section bar need to be completely covered.
Because three-dimensional bending forming process is progressed under each disk roller groove, therefore appropriate adjustment only with torsion
The initial position of point adjusting nut is necessary, it is ensured that section bar can smoothly enter each disk roller.
When there is resilience to occur, front and back position, universal angle of the universal angle adjustable support on support can be adjusted
The space angle of the bulb threaded rod of adjustable support and the position of top dead centre adjusting nut are solved.
The support and universal angle adjustable support of the present invention is spare part in common use, and a composition shape disk 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 disk rollers, the normal section position spatially of the three-dimensional bending formation of parts of partial cross-section control section bar and
Angle, makes linear section bar complete combined shaping by the predetermined piecewise flexion torsion in track；One disk roller controls a shaping zero
The locus of one normal section of part and angle；It is made up of a support, several universal angle adjustable supports and one
The parts such as shape disk roller are constituted, and are installed on a universal angle adjustable support and are controlled a disk roller, it is ensured that its locus
Deformation requirements are met with axis direction.
Brief description of the drawings
Fig. 1 is the general view of the present invention, 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. disk roller；4. section bar；5. carrier base；6.T type bolt Bs；
7.T type bolts A；8. hemisphere face sliding block；9. hemisphere surface cover B；10. lower dead center adjusting nut；11. top dead centre adjusting nut；12.
Bulb threaded rod；13. hemisphere surface cover A；14. spherical revolving body；15. hemisphere face threaded rod；16. adjusting nut；It 17. is oriented to
Key.
Embodiment
Embodiment 1
Referring to accompanying drawing, it is built into shown in Fig. 1~Fig. 5 for one group by 9 disk rollers 3 and 9 universal angle adjustable supports 2
Apparatus of the present invention.Wherein, support 1 and universal angle adjustable support 2 are spare part in common use, should according to the production outline of product and
The structural parameters of three-dimensional bending machine, which are designed, makes it the processing as much as possible for adapting to various stretch bending parts；Universal angle is adjustable
Whole support can be designed to different size and the Series Universal or standarized component of angle adjustment scope, and the T that should be opened up with base
Type groove matches；Disk roller outline groove should be designed according to section bar cross section profile, and required avoidance gap should be located at thereon
On non-stress face, the axis direction of disk roller should be set according to the bending characteristicses of bool and the angle adjustment scope of ball screw
Fixed, roller diameter and supplementary structure part can be designed according to intensity requirement.
The present invention is by one group of disk roller simply and readily manufactured 3, several universal angle adjustable supports 2 and a support
1 composition.Disk roller 3 is sleeved on the bulb threaded rod 12 on universal angle adjustable support 2, and it can be on bulb threaded rod 12
Slided along axle, sliding scale is limited by lower dead center adjusting nut 10 and top dead centre adjusting nut 11；Universal angle adjustable support 2
It is positioned at successively in the T-slot on support 1 using feather key 17, and adjustment position can be moved forward and backward along T-slot direction, with T-shaped
Bolt A7 is fixedly connected with support 1.
Described disk roller 3, its appearance profile should be designed according to section bar cross section profile, and appropriate keep away is reserved on non-stress face
Allow gap, axis direction and roller diameter size should combine the knot of section, contour shape, bending characteristicses and the whole device of section bar
Structure is flexibly designed, and disk roller 3 should process the interstitial hole matched with bulb threaded rod 12.
Described support 1 is the rectangular flat for accurately offering the transversely T-slot of parallel equidistant thereon, for positioning peace
Fill universal angle adjustable support 2.
In order to which the locus and axis direction that ensure disk roller 3 are correct, the present invention devises a kind of universal angle and can adjust
Support 2.Universal angle adjustable support 2 it is main by carrier base 5, two closed spherical pairs and the structure of bulb threaded rod 12 up and down
Into.Carrier base 5 is a plate component for carrying column, and column design has to be opened up on a cylindrical guide-localization hole, seat board
Have and be oriented to fixed T-slot, hole, the axis of groove are spatially mutually perpendicular to, and parallel with seating plane.Described is upper closed
Spherical pair is made up of the spherical revolving body 14 of hemisphere face threaded rod 15, hemisphere surface cover A 13 and middle with hole, and this is closed
Spherical pair is coordinated by the guide-localization interporal lacuna on hemisphere face threaded rod 15 and carrier base 5, can be moved forward and backward, with two adjustment
Nut 16 is fixed on carrier base 5.Closed spherical pair is by hemisphere face sliding block 8, hemisphere surface cover B 9 and bulb under described
Threaded rod 12 is constituted, and the hemisphere face sliding block 8 in the closed spherical pair is slidably matched with the T-slot on the seat board of carrier base 5, and can
To move left and right, it is fixed on T-bolt B 6 on carrier base 5.The described upper end of bulb threaded rod 12 is sleeved on spherical revolving body
In 14 centre bore, disk roller 3 is sleeved on bulb threaded rod 12.When the position of closed spherical pair in front and rear adjustment, left and right is adjusted
Under whole during the position of closed spherical pair, the axis direction of bulb threaded rod 12 and locus can arbitrarily change, i.e. disk roller 3
Axis direction can be controlled, and realize limited multi-dimensional direction adjustment.Lower dead center adjusting nut 10 limits the lower dead center of disk roller 3
Position, that is, disk roller 3 initial position；Top dead centre adjusting nut 11 limits the top dead center position of disk roller 3, top dead center position
It is exactly position of the disk roller 3 at the end of section bar shapes.The deformed region of whole section bar need to be completely covered in the quantity of disk roller 3.
Because three-dimensional bending forming process is progressed under each disk roller groove, therefore appropriate adjustment only with torsion
The initial position of point adjusting nut 10 is necessary, it is ensured that section bar can smoothly enter each disk 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 top dead centre adjusting nut 11 of spending the bulb threaded rod 12 of adjustable support 2 is solved.
Need to be adjusted the present apparatus installation before stretch wrap forming, and should carry out in the steps below.
1) installation support 1 is properly positioned on stretch benders according to used stretch benders parameter, universal angle can adjust branch
Frame 2 on support 1, is not fixed temporarily with the horizontal equidistant placement of feather key.
2) relative position of bool with the present invention spatially is determined, bool, which should be at all disk rollers 3, to be adjusted
Within the scope of arrival, i.e., all disk rollers 3 in the present apparatus should be able to cover the effective deformation region of bool.Described herein is curved
Bent part is to consider the three-dimensional bending part CAD diagram after resilience parameter.Now bool and each universal angle adjustable support 2 are on a left side
Right horizontal position is determined that.
3) make a normal direction transversal plane of the figure on three-dimensional bending part CAD diagram using three-dimensional drawing software, obtain simultaneously
Obtained a normal cross sectional drawing；, relative to the position of section bar normal cross sectional drawing, done according to designed disk roller size and disk roller
Go out the straight line by disk 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 pass through upper closed spherical pair
The plane point of intersection at center is upper intersection point, and the plane point of intersection with the closed sphere sub-center under is lower intersection point；Adjust normal direction horizontal
The position of cutting plane, makes intersection point and the upper closed sphere sub-center on a universal angle adjustable support 2 in device
Left and right directions distance close to zero (be generally less than 0.1mm just can with)；Position of intersection point can be considered closed on this
The position of sphere sub-center, the position of lower position of intersecting point closed sphere sub-center under being；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 is determined 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 A7 is fixed.Lower intersection point closed sphere sub-center and upper closed spherical pair in the case where the difference of left and right directions is exactly with upper intersection point
The distance of center in the lateral direction, adjusts the right position of hemisphere face sliding block 8 by this difference and is fixed with T-bolt B6.Under
Intersection point and upper intersection point on the difference of fore-and-aft direction is exactly closed sphere sub-center with closed sphere sub-center front and rear
Distance on direction, adjusts the front and back position of hemisphere face threaded rod 15 by this difference and is fixed with two adjusting nuts 16.Measure
Upper plan range of the lower intersection point away from disk roller 3, determines the position of top dead centre adjusting nut 11 and is locked with top dead centre adjusting nut 11.
Lower dead center adjusting nut 10 regards the position of stretch benders prestretching workpiece and the concrete condition difference adjustment position of forming process, with workpiece
The groove for smoothly entering disk roller 3 is that optimum position is principle.
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 disk roller 3 is adjusted according to the shaping situation of examination stretch wrap forming part
Locus, untill 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 disk roller；Wherein, including the adjustable branch of support, several disk rollers and several universal angles
Frame；The left and right lateral attitude of universal angle adjustable support is positioned in the T-slot on support successively using feather key, and can edge
T-slot moves forward and backward adjustment position, is fixedly connected with T-bolt A with support；Disk roller is coordinated by center hole thereon to be installed
In on the bulb threaded rod on universal angle adjustable support, it is limited along the position that bulb threaded rod is moved axially by adjusting nut
It is fixed；By the axis direction and adjustment spiral shell that adjust front and back position and bulb threaded rod of the universal angle adjustable support on support
Female position determines the position of disk roller spatially.
2. roll-type multi-section according to claim 1 controls section bar three-dimensional bending dieless forming device, it is characterised in that：Roller
Wheel be based on section bar cross-section profile shape and size and reserve appropriate gap according to setting gyroaxis build revolving body, centrally along
Axially 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 dieless forming device, it is characterised in that：Machine
Seat is the accurate rectangular flat for offering the transversely T-slot of parallel equidistant, for installing universal angle adjustable support.
4. roll-type multi-section according to claim 1 controls section bar three-dimensional bending dieless forming device, it is characterised in that：Ten thousand
It is main by carrier base, two closed spherical pairs and bulb threaded rod are constituted up and down to adjustable angle support；Described support
Seat is to offer accurate guide-localization hole on a plate component for carrying column, column along the longitudinal direction, seat board edge left and right
Direction offers guide-localization groove, and guide-localization hole and guide-localization slot space are mutually perpendicular to；Described upper closed spherical pair
The part being made up of the spherical revolving body of hemisphere face threaded rod, hemisphere surface cover A and middle with hole, the closed spherical pair is led to
Cross hemisphere face threaded rod with the guide-localization hole on carrier base to coordinate, can move forward and backward, be fixed on former and later two adjusting nuts
On carrier base；The portion that closed spherical pair is made up of hemisphere face sliding block, hemisphere surface cover B and bulb threaded rod under described
Hemisphere face sliding block in part, the closed spherical pair is slidably matched with the T-slot on carrier base seat board, it is possible to move left and right,
It is fixed on T-bolt B on carrier base；Disk roller, lower dead center adjusting nut and top dead centre are installed on described bulb threaded rod
Adjusting nut, upper end is sleeved in the hole in spherical revolving body, relative can be slided；When the position of closed spherical pair in front and rear adjustment
Put, under the adjustment of left and right during the position of closed spherical pair, the axis direction of bulb threaded rod and locus will change,
The axis direction of disk roller and locus are controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710069584.1A CN106607484B (en) | 2017-02-08 | 2017-02-08 | Roll-type multi-section controls section bar three-dimensional bending dieless forming device |
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| 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 |
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| CN106607484A CN106607484A (en) | 2017-05-03 |
| CN106607484B true CN106607484B (en) | 2017-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN109127913B (en) * | 2018-10-19 | 2019-10-22 | 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 |
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| CN106607484A (en) | 2017-05-03 |
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