CN109772972A - A kind of compound progressive molding device of large size shell branch pipe integrated flange and technique - Google Patents
A kind of compound progressive molding device of large size shell branch pipe integrated flange and technique Download PDFInfo
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Abstract
A kind of compound progressive molding device of large size shell branch pipe integrated flange and technique, device include that rack, workbench and symmetric tool head system, workbench are mounted on the rack, and symmetric tool head system is connected on workbench；Technique is to realize moving synchronously for multipair tool heads by symmetric tool head system, realizes the integral forming of cylindrical member branch pipe flange, forming technology of the present invention is flexible high, and various sizes of thick walled cylinder parts branch pipe integrated flange is suitble to shape, and versatility is good；It does not need manufacture stamping die and assists feed mechanism, save the cost；Clamping process is simpler, and multiple spot symmetrical structure can effectively improve forming efficiency, and cylindrical member stress is more balanced in forming process, and forming quality is high；Forming efficiency is effectively increased by multipair tool heads simultaneously.
Description
Technical field
The invention belongs to plastic forming technology fields, and in particular to a kind of large size shell branch pipe integrated flange is compound progressive
Forming device and technique.
Background technique
Cubicle Gas-Insulated Switchgear (GIS) plays particularly important work outside Now Domestic in electric system
With.GIS shell be using sulfur hexafluoride as insulation and arc-extinguishing medium, its electrification in high voltage is partially enclosed in metal shell,
Side wall will there are the branch pipe flanges coupled for required pipeline.For GIS shell, sealing requirements are very high, in manufacture shell
During should avoid weld seam as far as possible, if it is jagged to form wedge angle, weld seam etc. using shape of a saddle aperture welded flange,
It causes electric field to concentrate, shelf depreciation occurs, reduce the service performance of switch.
Currently, the processing of GIS shell branch pipe generallys use flanging process forming.Concrete technology is first in GIS shell
Elliptical aperture is opened on parent in advance, then punching press flanging forming obtains branch pipe, and this method straight flange is of low quality, holds at the flange edge of hole
It is also easy to produce crackle, and flange often not pad pasting, needs the later period to repair a die by hand, for various sizes of branch pipe, need to manufacture corresponding
Stamping die, at high cost, the period is long, and stamping die size is very big, needs to assist feed mechanism, clamping process accordingly
Cumbersome, control difficulty is big.It is progressive that Chinese patent (application number CN201810130058.6) proposes a kind of heavy caliber thick wall cylinder
Flexible hemmer and technique, this structure and technique can be realized the flexible forming of branch pipe, but the branch pipe shaped there is still a need for
By flange welding on branch pipe, weld seam is formed, only one tool heads movement in forming process, forming efficiency is low, and either simplex
Tool head can make cylinder unbalance stress, influence forming quality.Chinese patent (application number CN201810130059.0) proposes one kind
Positive and negative compound progressive molding grommet integral (type) flange device and technique are directed to the flange flaring forming of plate, cylindrical member
Loading characteristic is entirely different with plate, becomes an entirety, the knot of lower bolster with heat exchanger pressing plate after grommet forming in this patent
Structure is also only applicable to plate forming, and tool heads flared end is hemispherical, and radius is identical as column part radius, in cylindrical member
Column part is easy and material in forming process, therefore its device and technique can not be applied in cylindrical member branch pipe flange one
Shape, and forming process only one tool heads are melted into, forming efficiency is low, discontinuity.
Summary of the invention
In order to overcome the disadvantages of the above prior art, it is an object of the invention to propose a kind of large-scale shell branch pipe flange one
The compound progressive molding device of bodyization and technique realize the integrated flexible forming of large-scale shell branch pipe flange, and clamping process is more
Add simple, raising forming efficiency, forming quality is high.
In order to achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of compound progressive molding device of large size shell branch pipe integrated flange, including rack, workbench and symmetric tool
Head system, workbench are mounted on the rack, and symmetric tool head system is connected on workbench；
The rack includes lower bottom base 5, passes through column 4 on lower bottom base 5 and is supported by the seat of honour 3, the seat of honour 3 is equipped with cavity plate 2, recessed
Cylinder 1 is supported by mould 2, the elliptical aperture being provided on cylinder 1 and cavity plate 2 cooperate；
Workbench is installed, workbench includes that the Z axis being connected on four guide posts 8 moves between the seat of honour 3 and lower bottom base 5
Moving platform 6, the both ends of four guide posts 8 are fixed on lower bottom base 5, on the seat of honour 3, the left and right sides of Z axis mobile platform 6 and the first lead screw
7 and second lead screw 9 be cooperatively connected, the first lead screw 7 and the second lead screw 9 are fixed on lower bottom base 5, on upper bed-plate 3, the first lead screw 7
Lower end is equipped with first gear 25, the synchronizing wheel 27 that first gear 25 synchronous belt 26 and be mounted on the 5th motor 28 by first
Connection；The lower end of second lead screw 9 is equipped with second gear 30, and second gear 30 is connected by the second synchronous belt 29 and synchronizing wheel 27
It connects, the 5th motor 28 is fixed on lower bottom base 5；First motor 10 is installed, first motor 10 is defeated on the Z axis mobile platform 6
Shaft and turntable 11 connect, and are equipped with symmetric tool head system on turntable 11.
The symmetric tool head system includes guide rail 13, and guide rail 13 is mounted on turntable 11, and 13 one end of guide rail is equipped with
Two motors 12,12 output shaft of the second motor are connect with 14 one end of third lead screw, 14 center of third lead screw and 11 rotation center of turntable
It is overlapped, the thread rotary orientation of 14 two sides of third lead screw is on the contrary, 14 two sides of third lead screw are equipped with 15 He of first base of positional symmetry
Second base 21；Third motor 16 is installed, 16 output shaft of third motor and the first driving mechanism 17 input in first base 15
End connection, 17 output end of the first driving mechanism are connected by first shaft coupling 18 and the first tool heads 19；Pacify in second base 20
Equipped with the 4th motor 21,21 output shaft of the 4th motor is connect with 22 input terminal of the second driving mechanism, the output of the second driving mechanism 22
End is connected by second shaft coupling 23 and the second tool heads 24.
First tool heads, 19 lower end is clamping end 19a, and clamping end 19a is connected in first shaft coupling 23；First work
Having in the middle part of head 19 is flange part 19b, and flange part 19b includes conical profile and cylindrical type face；First tool heads, 19 upper end is
Flared part 19c, flared part 19c include column part and end bulb part, and end bulb section diameter is greater than cylindrical portion
Point；Second tool heads 24 are identical as 19 structure of the first tool heads.
The symmetric tool head system is as needed, is arranged to 1-4 to tool heads, the guide rail of each pair of tool heads is in vertical side
To being in staggered distribution, all tool heads are circumferentially symmetrical around 11 axis of turntable, are all in the same horizontal plane.
A kind of technique of the compound progressive molding device of the large-scale shell branch pipe integrated flange, comprising the following steps:
1) cylindrical member 1 for being provided with elliptical aperture is supported on to the cavity plate 2 being made of the first half cavity plate 2a and the second half cavity plate 2b
On, the axis coincidence of 1 elliptical aperture of cylindrical member, cavity plate 2, turntable 11；
2) mobile all tool heads, make tool heads turn-up portion reference cone type face need turn-up portion exceptionally edge to contact with cylindrical member 1；
3) all tool heads are moved along the path planned, make cylindrical member 1 that flange part be needed to dig downwards；
4) mobile all tool heads, contact tool heads turn-up portion cyclotomy column type face with the part that cylindrical member 1 is dug downwards,
All tool heads are moved along the path planned, make what cylindrical member 1 dug downwards to partially change into 90 °；
5) it repeats step 3), 4) carries out multi-pass flange, until cylindrical member 1 needs the part of flange all to become 90 °；
6) after the completion of turn-up process, mobile all tool heads make tool heads flared part ball-shaped surface and 1 turn-up portion of cylindrical member
Tap touching；
7) all tool heads are moved along the path planned, are gradually expanded 1 flange of cylindrical member part in 90 °, finally
The part expansion that cylindrical member 1 is needed to be flared is in 90 ° to divide with turn-up portion, shapes integral flange；
9) all tool heads exit；
10) the first half cavity plate 2a and the second half cavity plate 2b are removed from cylindrical member 1, realizes 1 pipe flange one of cylindrical member
Body is melted into shape.
Compared with prior art, the invention has the following advantages that
Moving synchronously for multipair tool heads is realized by symmetric tool head system, realizes the one of cylindrical member branch pipe flange
Body is melted into shape, and forming technology is flexible high, and various sizes of thick walled cylinder parts branch pipe integrated flange is suitble to shape, and versatility is good；
It does not need manufacture stamping die and assists feed mechanism, save the cost；Clamping process is simpler, and multiple spot symmetrical structure
Forming efficiency can be effectively improved, cylindrical member stress is more balanced in forming process, and forming quality is high；Pass through multipair tool heads simultaneously
Effectively increase forming efficiency.
Detailed description of the invention
Fig. 1 is the device schematic three dimensional views of the embodiment of the present invention 1.
Fig. 2 is the device main view of the embodiment of the present invention 1.
Fig. 3 is the workbench schematic three dimensional views of the embodiment of the present invention 1.
Fig. 4 is the workbench main view of the embodiment of the present invention 1.
Fig. 5 is the Z axis mobile platform schematic diagram of the embodiment of the present invention 1.
Fig. 6 is 2 pairs of tool heads schematic diagrames of the embodiment of the present invention 2.
Fig. 7 is half cavity plate schematic diagram of the composition cavity plate of the embodiment of the present invention 1.
Fig. 8 is the tool heads schematic diagram of the embodiment of the present invention 1,2.
Fig. 9 is the turn-up process schematic diagram of the embodiment of the present invention 1,2.
Figure 10 is the Flange Forming process schematic of the embodiment of the present invention 1,2.
Figure 11 is schematic diagram after the cylinder of embodiment 1,2 shapes.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment 1, the present embodiment is using 1 pair of tool heads forming.
A kind of compound progressive molding device of large size shell branch pipe integrated flange, including rack, workbench and symmetric tool
Head system, workbench are mounted on the rack, and symmetric tool head system is connected on workbench；
Referring to Fig.1, Fig. 2, Fig. 7, the rack include lower bottom base 5, pass through column 4 on lower bottom base 5 and are supported by the seat of honour 3, on
Seat 3 is equipped with cavity plate 2, and cylinder 1 is supported by cavity plate 2, and the elliptical aperture being provided on cylinder 1 and cavity plate 2 cooperate；
Referring to Fig. 2, Fig. 3, Fig. 5, workbench is installed between the seat of honour 3 and lower bottom base 5, workbench includes being connected to four
Z axis mobile platform 6 on root guide post 8, the both ends of four guide posts 8 are fixed on lower bottom base 5, on the seat of honour 3, and Z axis mobile platform 6 can
It is moved up and down along guide post 8；The left and right sides of Z axis mobile platform 6 and the first lead screw 7 and the second lead screw 9 are cooperatively connected, the first lead screw
7 and second lead screw 9 be fixed on lower bottom base 5, on upper bed-plate 3, the lower end of the first lead screw 7 is equipped with first gear 25, first gear
25 are connected by the first synchronous belt 26 and the synchronizing wheel 27 being mounted on the 5th motor 28；The lower end of second lead screw 9 is equipped with
Two gears 30, second gear 30 are connected by the second synchronous belt 29 and synchronizing wheel 27, and the 5th motor 28 is fixed on lower bottom base 5,
5th motor 28 drives synchronizing wheel 27 to rotate, and synchronizing wheel 27 drives first gear by the first synchronous belt 26 and the second synchronous belt 29
25 and second gear 30 rotate, then 9 turns of the first lead screw 7 and the second lead screw are driven by first gear 25 and second gear 30 respectively
It is dynamic, realize that Z axis mobile platform 6 is moved up and down along four guide posts 8；First motor 10 is installed on the Z axis mobile platform 6, the
One motor, 10 output shaft and turntable 11 connect, and first motor 10 drives turntable 11 to be rotated, and symmetrical work is equipped on turntable 11
Has head system.
Referring to Fig. 3, Fig. 4, the symmetric tool head system includes guide rail 13, and guide rail 13 is mounted on turntable 11, guide rail 13
One end is equipped with the second motor 12, and 12 output shaft of the second motor is connect with 14 one end of third lead screw, 14 center of third lead screw with turn
11 rotation center of platform is overlapped, and the thread rotary orientation of 14 two sides of third lead screw is on the contrary, 14 two sides of third lead screw are equipped with positional symmetry
First base 15 and second base 21, the second motor 12 drives third lead screw 14 to rotate, to drive first base 15 and second
Pedestal 21 moves synchronously in opposite direction, the mobile speed of first base 15 and second base 21 and apart from identical；First base
Third motor 16 is installed, 16 output shaft of third motor is connect with 17 input terminal of the first driving mechanism, the first driving mechanism on 15
17 output ends are connected by first shaft coupling 18 and the first tool heads 19, and third motor 16 passes through the first driving mechanism 17 and first
Shaft coupling 18 realizes 19 rotary motion of the first tool heads；4th motor 21, the output of the 4th motor 21 are installed in second base 20
Axis is connect with 22 input terminal of the second driving mechanism, and 22 output end of the second driving mechanism passes through second shaft coupling 23 and the second tool heads
24 connections, the 4th motor 21 realize 24 rotary motion of the second tool heads by the second driving mechanism 22 and second shaft coupling 23.
Referring to Fig. 8,19 lower end of the first tool heads is clamping end 19a, and clamping end 19a is connected to first shaft coupling 23
On；It is flange part 19b in the middle part of first tool heads 19, flange part 19b includes conical profile and cylindrical type face；First tool heads
19 upper ends are flared part 19c, and flared part 19c includes column part and end bulb part, and end bulb section diameter is big
In column part, guarantees bulb part and material in flaring process, avoid column part and material in flaring process；
First tool heads 19 drive it to be rotated around own axes by third motor 16；Second tool heads 24 and the first tool
First 19 structure is identical.
The present embodiment motion principle: the 5th motor 28 drives synchronizing wheel 27 to rotate, and synchronizing wheel 27 passes through the first synchronous belt 26
It drives first gear 25 and second gear 30 to rotate with the second synchronous belt 29, then is distinguished by first gear 25 and second gear 30
It drives the first lead screw 7 and the second lead screw 9 to rotate, realizes that Z axis mobile platform 6 is moved up and down along four guide posts 8, to realize first
Tool heads 19 and the second tool heads 24 synchronizing moving along the vertical direction；First motor 10 drives turntable 11 to rotate, and realizes the first work
The synchronous rotary for having head 19 and the second tool heads 24 around 11 axis of turntable moves；Second motor 12 drives third lead screw 14 to rotate,
Realize that synchronous linear moves in opposite direction for the first tool heads 19 and the second tool heads 24；Third motor 16 drives the first tool heads
19 are rotated around own axes, and the 4th motor 21 drives the second tool heads 24 to be rotated around own axes.
The compound progressive molding technique of a kind of large size shell branch pipe integrated flange, using 1 pair of tool heads, including following step
It is rapid:
1) referring to Fig.1, Fig. 2, the cylindrical member 1 for being provided with elliptical aperture is supported on by the first half cavity plate 2a and the second half cavity plate 2b
On the cavity plate 2 of composition, the axis coincidence of 1 elliptical aperture of cylindrical member, cavity plate 2, turntable 11；
2) referring to Fig. 9 a, mobile first tool heads 19 and the second tool heads 24, make tool heads turn-up portion reference cone type face and cylinder
Shape part 1 needs turn-up portion exceptionally edge to contact；
3) referring to Fig. 9 b, the first tool heads 19 and the second tool heads 24 are moved along the path planned, make 1 needs of cylindrical member
It digs downwards flange part；
4) referring to Fig. 9 c, mobile first tool heads 19 and the second tool heads 24, make tool heads turn-up portion cyclotomy column type face with
The part contact that cylindrical member 1 is dug downwards, the first tool heads 19 and the second tool heads 24 are moved along the path planned, make tubular
What part 1 was dug downwards partially changes into 90 °；
5) it repeats step 3), 4) carries out multi-pass flange, until cylindrical member 1 needs the part of flange all to become 90 °, such as scheme
Shown in 9d；
6) 0a referring to Fig.1, after the completion of turn-up process, mobile first tool heads 19 and the second tool heads 24 expand tool heads
Oral area separating-ball-type face and 1 turn-up portion of cylindrical member tap are touched；
7) 0b, Figure 10 c, the first tool heads 19 and the second tool heads 24 are moved along the path planned referring to Fig.1, gradually will
1 flange of cylindrical member part in 90 ° expands, and the part expansion for finally needing to be flared by cylindrical member 1 is in 90 ° to divide with turn-up portion, at
Shape goes out integral flange；
9) the first tool heads 19 and the second tool heads 24 exit；
10) the first half cavity plate 2a and the second half cavity plate 2b are removed from cylindrical member 1, realizes 1 pipe flange one of cylindrical member
Body is melted into shape, as shown in figure 11.
Embodiment 2, referring to Fig. 6, for this embodiment symmetric tool head system using 2 pairs of tool heads formings, 2 lead tool heads
Rail is in staggered distribution in vertical direction, and all tool heads are circumferentially symmetrical around 11 axis of turntable, is all in the same horizontal plane,
Its structure and embodiment 1 are identical.
The compound progressive molding technique of a kind of large size shell branch pipe integrated flange, using 2 pairs of tool heads, including following step
It is rapid:
1) referring to Fig.1, Fig. 2, the cylindrical member 1 for being provided with elliptical aperture is supported on by the first half cavity plate 2a and the second half cavity plate 2b
On the cavity plate 2 of composition, the axis coincidence of 1 pre-manufactured hole of cylindrical member, cavity plate 2, turntable 11；
2) referring to Fig. 9 a, mobile all tool heads make tool heads turn-up portion reference cone type face and cylindrical member 1 need flange part
Outer rim contact；
3) referring to Fig. 9 b, all tool heads are moved along the path planned, make cylindrical member 1 that flange part be needed to turn over downwards
It rises；
4) referring to Fig. 9 c, mobile all tool heads dig tool heads turn-up portion cyclotomy column type face and cylindrical member 1 downwards
Part contacts, and all tool heads are moved along the path planned, makes what cylindrical member 1 dug downwards to partially change into 90 °；
5) it repeats step 3), 4) carries out multi-pass flange, until cylindrical member 1 needs the part of flange all to become 90 °, such as scheme
Shown in 9d；
6) 0a referring to Fig.1, after the completion of turn-up process, mobile all tool heads make tool heads flared part ball-shaped surface and cylinder
The tap touching of 1 turn-up portion of shape part；
7) 0b, Figure 10 c referring to Fig.1, all tool heads are moved along the path planned, gradually that 1 flange of cylindrical member is in 90 °
Part expand, finally need the part that is flared to expand cylindrical member 1 to be in 90 ° with turn-up portion point, shape integral flange；
9) 2 pairs of tool heads exit；
10) the first half cavity plate 2a and the second half cavity plate 2b are removed from cylindrical member 1, realizes 1 pipe flange one of cylindrical member
Body is melted into shape, as shown in figure 11.
Claims (5)
1. a kind of compound progressive molding device of large size shell branch pipe integrated flange, including rack, workbench and symmetric tool head
System, it is characterised in that: workbench is mounted on the rack, and symmetric tool head system is connected on workbench；
The rack includes lower bottom base (5), is supported by the seat of honour (3) on lower bottom base (5) by column (4), the seat of honour (3) are equipped with recessed
Mould (2) is supported by cylinder (1) on cavity plate (2), elliptical aperture and cavity plate (2) cooperation being provided on cylinder (1)；
Workbench is installed, workbench includes the Z axis being connected on four guide posts (8) between the seat of honour (3) and lower bottom base (5)
Mobile platform (6), the both ends of four guide posts (8) are fixed on lower bottom base (5), on the seat of honour (3), the left and right two of Z axis mobile platform (6)
Side and the first lead screw (7) and the second lead screw (9) mating connection, the first lead screw (7) and the second lead screw (9) be fixed on lower bottom base (5),
On upper bed-plate (3), the lower end of the first lead screw (7) is equipped with first gear (25), and first gear (25) passes through the first synchronous belt
(26) and be mounted on the 5th motor (28) synchronizing wheel (27) connection；The lower end of second lead screw (9) is equipped with second gear
(30), second gear (30) is connected by the second synchronous belt (29) and synchronizing wheel (27), and the 5th motor (28) is fixed on lower bottom base
(5) on；It is equipped with first motor (10) on the Z axis mobile platform (6), first motor (10) output shaft and turntable (11) are even
It connects, turntable is equipped with symmetric tool head system on (11).
2. a kind of compound progressive molding device of large-scale shell branch pipe integrated flange according to claim 1, feature exist
In: the symmetric tool head system includes guide rail (13), and guide rail (13) is mounted on turntable (11), and guide rail (13) one end is equipped with
Second motor (12), the second motor (12) output shaft are connect with third lead screw (14) one end, third lead screw (14) center and turntable
(11) rotation center is overlapped, and the thread rotary orientation of third lead screw (14) two sides is on the contrary, third lead screw (14) two sides are equipped with position pair
The first base (15) and second base (21) of title；It is equipped in first base (15) third motor (16), third motor (16)
Output shaft is connect with the first driving mechanism (17) input terminal, the first driving mechanism (17) output end by first shaft coupling (18) and
First tool heads (19) connection；4th motor (21), the 4th motor (21) output shaft and second are installed in second base (20)
The connection of driving mechanism (22) input terminal, the second driving mechanism (22) output end pass through second shaft coupling (23) and the second tool heads
(24) it connects.
3. a kind of compound progressive molding device of large-scale shell branch pipe integrated flange according to claim 2, feature exist
In: the first tool heads (19) lower end is clamping end (19a), and clamping end (19a) is connected on first shaft coupling (23)；First
It is flange part (19b) in the middle part of tool heads (19), flange part (19b) includes conical profile and cylindrical type face；First tool heads
(19) upper end is flared part (19c), and flared part (19c) includes column part and end bulb part, end bulb part
Diameter is greater than column part；Second tool heads (24) are identical as the first tool heads (19) structure.
4. a kind of compound progressive molding device of large-scale shell branch pipe integrated flange according to claim 2, feature exist
In: the symmetric tool head system is as needed, is arranged to 1-4 to tool heads, the guide rail of each pair of tool heads is in vertical direction mistake
Distribution is opened, all tool heads are circumferentially symmetrical around turntable (11) axis, are all in the same horizontal plane.
5. a kind of technique of the compound progressive molding device of large-scale shell branch pipe integrated flange according to claim 1,
It is characterized in that, comprising the following steps:
1) cylindrical member (1) for being provided with elliptical aperture is supported on to the cavity plate being made of the first half cavity plates (2a) and the second half cavity plates (2b)
(2) on, the axis coincidence of cylindrical member (1) elliptical aperture, cavity plate (2), turntable (11)；
2) mobile all tool heads, make tool heads turn-up portion reference cone type face need turn-up portion exceptionally edge to contact with cylindrical member (1)；
3) all tool heads are moved along the path planned, make cylindrical member (1) that flange part be needed to dig downwards；
4) mobile all tool heads, the part for digging tool heads turn-up portion cyclotomy column type face downwards with cylindrical member (1) contact, institute
There are tool heads to move along the path planned, makes what cylindrical member (1) dug downwards to partially change into 90 °；
5) it repeats step 3), 4) carries out multi-pass flange, until cylindrical member (1) needs the part of flange all to become 90 °；
6) after the completion of turn-up process, mobile all tool heads make tool heads flared part ball-shaped surface and cylindrical member (1) flange part
Contact；
7) all tool heads are moved along the path planned, gradually expand cylindrical member (1) flange part in 90 °, finally will
The part expansion that cylindrical member (1) needs to be flared is in 90 ° to divide with turn-up portion, shapes integral flange；
9) all tool heads exit；
10) the first half cavity plates (2a) and the second half cavity plates (2b) are removed from cylindrical member (1), realizes cylindrical member (1) Zhi Guanfa
Blue integral forming.
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| CN201910159914.5A CN109772972B (en) | 2019-03-04 | 2019-03-04 | Integrated composite incremental forming device and process for large shell branch pipe flange |
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| CN112091065A (en) * | 2020-09-04 | 2020-12-18 | 山东大学 | Multi-tool-head flexible incremental forming device and method |
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| CN109772972B (en) | 2020-02-14 |
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