CN104959482B - Rolling bending equipment and method for machining flange blank - Google Patents
Rolling bending equipment and method for machining flange blank Download PDFInfo
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- CN104959482B CN104959482B CN201510304635.5A CN201510304635A CN104959482B CN 104959482 B CN104959482 B CN 104959482B CN 201510304635 A CN201510304635 A CN 201510304635A CN 104959482 B CN104959482 B CN 104959482B
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- oil cylinder
- steel plate
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- bending
- flange blank
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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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses rolling bending equipment and a method for machining a flange blank. The equipment comprises a reversing working table, a compressing mechanism and a bending mechanism; a workpiece is arranged on the reversing working table, the compressing mechanism is arranged above the workpiece, and the bending mechanism is arranged on the outer side of the workpiece; the bending mechanism comprises a fixed bending oil cylinder, a rotating bending oil cylinder, a rotating oil cylinder and an oil cylinder rotary table; the fixed bending oil cylinder and the rotating bending oil cylinder are both arranged on the outer side of the workpiece; the fixed bending oil cylinder is connected with the rotating bending oil cylinder through the rotating oil cylinder; and the rotating bending oil cylinder slides in the oil cylinder rotating table. The method comprises the steps that according to the circumference of a flange, a steel plate is cut to be in a strip shape, the length of the steel plate and the circumference of the flange are the same, and the width and the thickness of the steel plate are the same as the width and the thickness of the flange blank; and the strip-shaped steel plate is rolled and bent to form a round, and then is welded at a joint, and the steel plate can serve as the flange blank to be used. According to the equipment and method, the strip-shaped steel plate can be rolled and bent to form the flange blank, the material cost can be effectively saved, and the efficient large-batch production requirements can be met.
Description
Technical field
The present invention relates to machine components processing technique field, particularly to a kind of rolling for flange blank processing
Curved Apparatus and method for.
Background technology
Flange joint is mainly used in pipeline and pipe fitting and the connection of auxiliary device, much should have when pipeline connects
With, it is mainly characterized by convenient disassembly, intensity height, good seal performance.In current flange processing technique,
It is usually after using steel plate air cutting to circularize blank, is further processed into flange.But, some are used
For the flange of larger caliber pipeline, use traditional handicraft, it is necessary to use the steel plate air cutting that diameter is the biggest
Circularize blank, a large amount of wastes of steel can be caused, add the manufacturing cost of flange.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of rolling for flange blank processing
Curved equipment, this equipment can realize becoming the steel plate roll and bend forming of strip flange blank, and effectively save material becomes
This, can meet efficient large batch of Production requirement.
Another object of the present invention is to provide a kind of processed for flange blank by what the said equipment realized
Roll bending method.
The technical scheme is that a kind of roll bending equipment for flange blank processing, including work of reversing
Platform, hold-down mechanism and bending mechanism, workpiece is located at and reverses on workbench, and hold-down mechanism is located at above workpiece,
Bending mechanism is located at outside workpiece;Bending mechanism includes stationary curved oil cylinder, rotation bending oil cylinder, rotates oil
Cylinder and oil cylinder rotary table, stationary curved oil cylinder and rotation bending oil cylinder are respectively arranged on the outside of workpiece, fixed bend
Being connected by rotational fuel tank between bent oil cylinder and rotation bending oil cylinder, rotation bending oil cylinder slides on oil cylinder revolution
In platform.Wherein, stationary curved oil cylinder matches with rotation bending oil cylinder, and the roll bending for workpiece processes;Turn
Rotation bending oil cylinder is played a driving role by dynamic oil cylinder, in conjunction with the rotary action of the workbench that reverses, makes rotation bending
Oil cylinder carries out arc sliding in oil cylinder rotary table, it is achieved workpiece is carried out roll bending.Form each of roll bending equipment
Part is mounted on machine body, machine body is additionally provided with operation bench, in order to the manipulation to each mechanism.
The described workbench that reverses includes electric rotating machine, transmission component, rotary shaft, base, work top and steel
Plate positioning clamping fixture, electric rotating machine is connected with the lower end of rotary shaft by transmission component, passes through axle in the middle part of rotary shaft
Holding and be connected with inside base, work top is located at above base, and steel plate positioning clamping fixture is located at above work top,
Work top and steel plate positioning clamping fixture are fixing with the upper end of rotary shaft respectively to be connected.
Described transmission component is gear-driven assembly or pulley drive assembly.
Described work top and steel plate positioning clamping fixture are respectively cylindrical-shaped structure, and the diameter of work top is more than steel
The diameter of plate positioning clamping fixture;The medial surface of workpiece connects with the lateral surface of steel plate positioning clamping fixture, the bottom surface of workpiece
Connect with the end face of work top.
Described hold-down mechanism includes steel plate compressed oil cylinder and steel plate friction top, and steel plate compressed oil cylinder is located at steel plate pressure
The tightly side of covering, steel plate friction top is located at above work top, drives steel plate friction top by steel plate compressed oil cylinder
Rise or fall, thus Work-sheet pressing or is unclamped workpiece to take out on the workbench that reverses;Steel plate compresses
During lid workpiece pressing, the medial surface of steel plate friction top connects with the lateral surface of steel plate positioning clamping fixture, and steel plate compresses
The bottom surface of lid connects with the end face of workpiece.
In described bending mechanism, oil cylinder rotary table is provided with arc track, and rotation bending oil cylinder is along curved track
Road slides.
On described oil cylinder rotary table, the angle that rotation bending oil cylinder slides in arc track is 0~20 °.
In described bending mechanism, arrange in angle between rotation bending oil cylinder and stationary curved oil cylinder, rotate curved
When bent oil cylinder is positioned at the initial position of oil cylinder rotary table, the folder between rotation bending oil cylinder and stationary curved oil cylinder
Angle is 30 °, and during i.e. rotation bending oil cylinder slides along arc track, rotation bending oil cylinder is with solid
Determining the angle between curved cylinder is 30~50 °.
When the said equipment uses, its principle is: according to flange girth, only need to by steel plate cut growth strip,
Its length is identical with flange girth, and width is identical with the width of flange blank and thickness with thickness, strip
Shape steel plate roll bending Cheng Yuanhou is welded at seam, can be used as flange blank and uses.
A kind of roll bending method for flange blank processing can be realized by the said equipment, specifically include following step
Rapid:
(1) first width and thickness by flange has stayed allowance, then length of run cutting of steel circumferentially
Plate, the steel plate of well cutting is as workpiece;
(2) workpiece is installed on reverses on workbench, and by hold-down mechanism, workpiece is fixed;
(3) stationary curved oil cylinder and rotation bending oil cylinder respectively against workpiece outside, the workbench that reverses drive
When workpiece rotates, in conjunction with rotation and the impetus of rotational fuel tank of workpiece, rotation bending oil cylinder also slides on
In oil cylinder rotary table;
(4) workbench that reverses carries out reciprocating rotation, and stationary curved oil cylinder is the most afterburning with rotation bending oil cylinder,
Segmentation is by workpiece gradually roll bending, until workpiece is overall round as a ball;
(5) according to Len req, cut away the part that workpiece two ends are unnecessary, then incited somebody to action by stationary curved oil cylinder
Joint is round as a ball, is then welded joint, continues through at stationary curved oil cylinder rolled joint after welding,
Eliminating welding deformation, now flange blank is formed.
Wherein, in described step (2), when workpiece is installed, workpiece is positioned on work top, and sets
In the side of steel plate positioning clamping fixture, then steel plate compressed oil cylinder promotes steel plate friction top to decline, and makes steel plate compress
Workpiece is fixed and clamped by lid;
In described step (3), when rotation bending oil cylinder slides in oil cylinder rotary table, rotation bending oil cylinder
Slide along the arc track in oil cylinder rotary table;
In described step (4), workpiece overall by round as a ball time, particularly as follows: steel plate positioning clamping fixture pressed by workpiece
External diameter is that diameter is round as a ball;
In described step (5), after flange blank is formed, stationary curved oil cylinder and rotation bending oil cylinder are respectively
Retreating, then steel plate compressed oil cylinder drives steel plate friction top to rise, and steel plate friction top departs from steel plate positioning clamping fixture
After, from steel plate positioning clamping fixture, directly take off ring-type flange blank.
The present invention, relative to prior art, has the advantages that
This can realize the steel plate roll and bend forming of strip for the roll bending Apparatus and method for of flange blank processing
Become flange blank, effectively save material cost, efficient large batch of Production requirement can be met.
This is in the roll bending equipment of flange blank processing, can be according to the need of different flange machining blanks sizes
Want, the steel plate positioning clamping fixture of quick-replaceable corresponding size specification, and can compress rapidly and add for manufacturing flange
The steel plate of work blank, owing to using hydraulic jack to carry out roll bending, has that pressure is big and the feature of fast response time,
The demand the most quickly produced can be realized.
This is in the roll bending equipment of flange blank processing, and the order that numerical control also can be used to control each parts is moved
Making, each roll bending amount is accurately controlled.
Accompanying drawing explanation
Fig. 1 is this structural representation for the roll bending equipment of flange blank processing.
Fig. 2 is the structural representation of bending mechanism on A-A direction in Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention
It is not limited to this.
Embodiment
A kind of roll bending equipment for flange blank processing of the present embodiment, as it is shown in figure 1, include work of reversing
Platform 1, hold-down mechanism 2 and bending mechanism 3, workpiece is located at and reverses on workbench, and workpiece is located at by hold-down mechanism
Top, bending mechanism is located at outside workpiece;As in figure 2 it is shown, bending mechanism include stationary curved oil cylinder 6,
Rotation bending oil cylinder 7, rotational fuel tank 8 and oil cylinder rotary table 9, stationary curved oil cylinder and rotation bending oil cylinder
It is respectively arranged on the outside of workpiece 10, between stationary curved oil cylinder and rotation bending oil cylinder by rotational fuel tank even
Connecing, rotation bending oil cylinder slides in oil cylinder rotary table.Wherein, stationary curved oil cylinder and rotation bending oil cylinder
Matching, the roll bending for workpiece processes;Rotation bending oil cylinder is played a driving role by rotational fuel tank, in conjunction with returning
The rotary action of station of starting building, makes rotation bending oil cylinder carry out arc sliding in oil cylinder rotary table, it is achieved right
Workpiece carries out roll bending.The each several part of composition roll bending equipment is mounted on machine body 4, on machine body also
It is provided with operation bench 5, in order to the manipulation to each mechanism.
As it is shown in figure 1, reverse, workbench includes electric rotating machine 11, transmission component 12, rotary shaft 13, the end
Seat 14, work top 15 and steel plate positioning clamping fixture 16, electric rotating machine is by under transmission component and rotary shaft
End connects, and is connected with inside base by bearing in the middle part of rotary shaft, and work top is located at above base, steel plate
Positioning clamping fixture is located at above work top, and work top and steel plate positioning clamping fixture are solid with the upper end of rotary shaft respectively
Fixed connection.
Transmission component use gear-driven assembly, according to actual needs, it is possible to use pulley drive assembly or
Other type of transmission component.
Work top and steel plate positioning clamping fixture are respectively cylindrical-shaped structure, and the diameter of work top is fixed more than steel plate
The diameter of position mold;The medial surface of workpiece connects with the lateral surface of steel plate positioning clamping fixture, the bottom surface of workpiece and work
The end face making table top connects.
As it is shown in figure 1, hold-down mechanism includes steel plate compressed oil cylinder 17 and steel plate friction top 18, steel plate compresses
Oil cylinder is located at above steel plate friction top, and steel plate friction top is located at above work top, by steel plate compressed oil cylinder
Drive steel plate friction top rise or fall, thus by Work-sheet pressing on the workbench that reverses or unclamp workpiece so that
Take out;During steel plate friction top workpiece pressing, the medial surface of steel plate friction top and the lateral surface of steel plate positioning clamping fixture
Connecting, the bottom surface of steel plate friction top connects with the end face of workpiece.
As in figure 2 it is shown, in bending mechanism, oil cylinder rotary table is provided with arc track, rotation bending oil cylinder edge
Arc track to slide.On oil cylinder rotary table, the angle that rotation bending oil cylinder slides in arc track is
0~20 °.Arranging in angle between rotation bending oil cylinder and stationary curved oil cylinder, rotation bending oil cylinder is positioned at oil
During the initial position of cylinder rotary table, the angle a between rotation bending oil cylinder and stationary curved oil cylinder is 30 °,
During i.e. rotation bending oil cylinder slides along arc track, rotation bending oil cylinder and stationary curved oil cylinder it
Between angle be 30~50 °, formed between rotation bending oil cylinder and stationary curved oil cylinder maximum angle b be
50°。
When the said equipment uses, its principle is: according to flange girth, only need to by steel plate cut growth strip,
Its length is identical with flange girth, and width is identical with the width of flange blank and thickness with thickness, strip
Shape steel plate roll bending Cheng Yuanhou is welded at seam, can be used as flange blank and uses.
A kind of roll bending method for flange blank processing can be realized by the said equipment, specifically include following step
Rapid:
(1) first width and thickness by flange has stayed allowance, then length of run cutting of steel circumferentially
Plate, the steel plate of well cutting is as workpiece;
(2) workpiece is installed on reverses on workbench, and by hold-down mechanism, workpiece is fixed;
When workpiece is installed, workpiece is positioned on work top, and is located at the side of steel plate positioning clamping fixture, then steel
Plate compressed oil cylinder promotes steel plate friction top to decline, and makes steel plate friction top be fixed and clamped by workpiece;
(3) stationary curved oil cylinder and rotation bending oil cylinder respectively against workpiece outside, the workbench that reverses drive
When workpiece rotates, in conjunction with rotation and the impetus of rotational fuel tank of workpiece, rotation bending oil cylinder also slides on
In oil cylinder rotary table;When rotation bending oil cylinder slides in oil cylinder rotary table, rotation bending oil cylinder is along oil cylinder
Arc track in rotary table slides;
(4) workbench that reverses carries out reciprocating rotation at a slow speed, stationary curved oil cylinder and rotation bending oil cylinder by
Gradually afterburning, segmentation is by workpiece gradually roll bending, until workpiece is overall, (i.e. steel plate positioning clamping fixture pressed by workpiece by round as a ball
External diameter be that diameter is round as a ball);
(5) according to Len req, cut away the part that workpiece two ends are unnecessary, then incited somebody to action by stationary curved oil cylinder
Joint is round as a ball, is then welded joint, continues through at stationary curved oil cylinder rolled joint after welding,
Eliminating welding deformation, now flange blank is formed;
After flange blank is formed, stationary curved oil cylinder and rotation bending oil cylinder retreat respectively, and then steel plate compresses
Oil cylinder drives steel plate friction top to rise, and after steel plate friction top departs from steel plate positioning clamping fixture, directly positions from steel plate
Ring-type flange blank is taken off on mold.
As it has been described above, just can preferably realize the present invention, above-described embodiment is only presently preferred embodiments of the present invention,
Not it is used for limiting the practical range of the present invention;The most all impartial changes made according to present invention and modification,
All contained by the claims in the present invention scope required for protection.
Claims (10)
1. for the roll bending equipment of flange blank processing, it is characterised in that include reverse workbench, compression
Mechanism and bending mechanism, workpiece is located at and reverses on workbench, and hold-down mechanism is located at above workpiece, bending mechanism
It is located at outside workpiece;Bending mechanism includes stationary curved oil cylinder, rotation bending oil cylinder, rotational fuel tank and oil cylinder
Rotary table, stationary curved oil cylinder and rotation bending oil cylinder are respectively arranged on the outside of workpiece, stationary curved oil cylinder and
Being connected by rotational fuel tank between rotation bending oil cylinder, rotation bending oil cylinder slides in oil cylinder rotary table.
The most according to claim 1 for the roll bending equipment of flange blank processing, it is characterised in that institute
State the workbench that reverses and include electric rotating machine, transmission component, rotary shaft, base, work top and steel plate location
Mold, electric rotating machine is connected with the lower end of rotary shaft by transmission component, by bearing and the end in the middle part of rotary shaft
Connecting inside Zuo, work top is located at above base, and steel plate positioning clamping fixture is located at above work top, work
Table top and steel plate positioning clamping fixture are fixing with the upper end of rotary shaft respectively to be connected.
The most according to claim 2 for the roll bending equipment of flange blank processing, it is characterised in that institute
Stating transmission component is gear-driven assembly or pulley drive assembly.
The most according to claim 2 for the roll bending equipment of flange blank processing, it is characterised in that institute
Stating work top and steel plate positioning clamping fixture is respectively cylindrical-shaped structure, the diameter of work top positions more than steel plate
The diameter of mold;The medial surface of workpiece connects with the lateral surface of steel plate positioning clamping fixture, the bottom surface of workpiece and work
The end face of table top connects.
The most according to claim 2 for the roll bending equipment of flange blank processing, it is characterised in that institute
Stating hold-down mechanism and include steel plate compressed oil cylinder and steel plate friction top, steel plate compressed oil cylinder is located on steel plate friction top
Side, steel plate friction top is located at above work top;During steel plate friction top workpiece pressing, steel plate friction top interior
Side connects with the lateral surface of steel plate positioning clamping fixture, and the bottom surface of steel plate friction top connects with the end face of workpiece.
The most according to claim 1 for the roll bending equipment of flange blank processing, it is characterised in that institute
Stating in bending mechanism, oil cylinder rotary table is provided with arc track, and rotation bending oil cylinder slides along arc track.
The most according to claim 6 for the roll bending equipment of flange blank processing, it is characterised in that institute
Stating on oil cylinder rotary table, the angle that rotation bending oil cylinder slides in arc track is 0~20 °.
The most according to claim 1 for the roll bending equipment of flange blank processing, it is characterised in that institute
State in bending mechanism, arrange in angle between rotation bending oil cylinder and stationary curved oil cylinder, rotation bending oil cylinder
When being positioned at the initial position of oil cylinder rotary table, the angle between rotation bending oil cylinder and stationary curved oil cylinder is
30°。
9. realize a kind of roll bending for flange blank processing according to equipment described in any one of claim 1~8
Method, it is characterised in that comprise the following steps:
(1) first width and thickness by flange has stayed allowance, then length of run cutting of steel circumferentially
Plate, the steel plate of well cutting is as workpiece;
(2) workpiece is installed on reverses on workbench, and by hold-down mechanism, workpiece is fixed;
(3) stationary curved oil cylinder and rotation bending oil cylinder respectively against workpiece outside, the workbench that reverses drive
When workpiece rotates, in conjunction with rotation and the impetus of rotational fuel tank of workpiece, rotation bending oil cylinder also slides on
In oil cylinder rotary table;
(4) workbench that reverses carries out reciprocating rotation, and stationary curved oil cylinder is the most afterburning with rotation bending oil cylinder,
Segmentation is by workpiece gradually roll bending, until workpiece is overall round as a ball;
(5) according to Len req, cut away the part that workpiece two ends are unnecessary, then incited somebody to action by stationary curved oil cylinder
Joint is round as a ball, is then welded joint, continues through at stationary curved oil cylinder rolled joint after welding,
Eliminating welding deformation, now flange blank is formed.
The most according to claim 9 for the roll bending method of flange blank processing, it is characterised in that institute
State in step (2), when workpiece is installed, workpiece is positioned on work top, and be located at steel plate location tire
The side of tool, then steel plate compressed oil cylinder promotes steel plate friction top to decline, and makes steel plate friction top be fixed by workpiece
Compress;
In described step (3), when rotation bending oil cylinder slides in oil cylinder rotary table, rotation bending oil cylinder
Slide along the arc track in oil cylinder rotary table;
In described step (4), workpiece overall by round as a ball time, particularly as follows: steel plate positioning clamping fixture pressed by workpiece
External diameter is that diameter is round as a ball;
In described step (5), after flange blank is formed, stationary curved oil cylinder and rotation bending oil cylinder are respectively
Retreating, then steel plate compressed oil cylinder drives steel plate friction top to rise, and steel plate friction top departs from steel plate positioning clamping fixture
After, from steel plate positioning clamping fixture, directly take off ring-type flange blank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510304635.5A CN104959482B (en) | 2015-06-05 | 2015-06-05 | Rolling bending equipment and method for machining flange blank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510304635.5A CN104959482B (en) | 2015-06-05 | 2015-06-05 | Rolling bending equipment and method for machining flange blank |
Publications (2)
Publication Number | Publication Date |
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CN104959482A CN104959482A (en) | 2015-10-07 |
CN104959482B true CN104959482B (en) | 2017-01-11 |
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ID=54213661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510304635.5A Active CN104959482B (en) | 2015-06-05 | 2015-06-05 | Rolling bending equipment and method for machining flange blank |
Country Status (1)
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CN (1) | CN104959482B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2790410B1 (en) * | 1999-03-03 | 2001-05-18 | Aerospatiale | PROCESS FOR THE MANUFACTURE OF BLANKS OF FLANGES AND FLANGE OBTAINED BY THIS PROCESS |
CN101406910B (en) * | 2008-11-19 | 2011-08-03 | 大连华锐股份有限公司 | Large-sized flange molding equipment and molding technique |
CN103586317B (en) * | 2013-09-30 | 2017-01-04 | 浙江伟联科技有限公司 | Rotary bending apparatus |
CN204194634U (en) * | 2014-10-29 | 2015-03-11 | 苏州市金德誉精密机械有限公司 | A kind of electric rolling round belting |
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- 2015-06-05 CN CN201510304635.5A patent/CN104959482B/en active Active
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