CN108772449A - Swan neck system for thin-wall circular tube - Google Patents
Swan neck system for thin-wall circular tube Download PDFInfo
- Publication number
- CN108772449A CN108772449A CN201810992189.5A CN201810992189A CN108772449A CN 108772449 A CN108772449 A CN 108772449A CN 201810992189 A CN201810992189 A CN 201810992189A CN 108772449 A CN108772449 A CN 108772449A
- Authority
- CN
- China
- Prior art keywords
- thin
- pipe
- circular tube
- bending
- wall circular
- 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.)
- Pending
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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
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
-
- 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
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
Abstract
The invention discloses a kind of swan neck systems for thin-wall circular tube, including the pipe bending wheel being fixedly mounted in operating table surface, correspondence is rotatablely equipped with two bending pipe arms to the upper and lower surface of pipe bending wheel respectively, the bend pipe pinch roller coordinated with pipe bending wheel is installed between two bending pipe arms, the end of two bending pipe arms has been correspondingly connected with bend pipe handle, the periphery of pipe bending wheel and bend pipe pinch roller is correspondingly arranged respectively is useful for the arc groove that cooperation compresses thin-wall circular tube, it is provided with bend pipe angular stop means in pipe bending wheel, coordinates in thin-wall circular tube and bend pipe anti-deformation device is installed；Bend pipe angular stop means can accurately control the bending angle of thin-wall circular tube needs, be not in that bending angle is excessive or too small phenomenon so that process is simpler；Simultaneously because the use that bend pipe anti-deformation device coordinates in thin-wall circular tube, solves the problems, such as that flat pipe occurs in thin-wall circular tube deformed area in bending process, make the circularity for ensureing bending section when bending machining as possible.
Description
Technical field
The present invention relates to swan neck system more particularly to a kind of swan neck systems for thin-wall circular tube.
Background technology
During bending machining, the outside meeting under tension of thin-wall circular tube influences thin-wall circular tube, to generate thin-wall circular
Elongation and the phenomenon that trommel on the outside of pipe, meanwhile, be pressurized on the inside of thin-wall circular tube, due on the outside of thin-wall circular tube with inside by not
With the effect of power, after the completion of thin-wall circular tube bending machining, often the circularity of the brake forming section of thin-wall circular tube can be very poor, that is,
Say that the brake forming section of thin-wall circular tube is flat tube.In order to ensure the circularity after thin-wall circular tube processing, presently mainly in thin-wall circular
The concrete-cored axis in inside of pipe, the effect of mandrel are played a supporting role on its inner wall in thin-wall circular tube bending, and bending machining is made
Shi Jinliang ensures the circularity of bending section, and the core shaft structure for keeping the shape of thin-wall circular tube deformed area smooth, beautiful but current is complicated,
Cause high processing costs；And thin-wall circular tube, in bending process, operating personnel are difficult to be accurately controlled bending angle, usually
Cause bending angle excessive or too small phenomenon.
Invention content
Technical problem to be solved by the invention is to provide it is a kind of it is simple in structure, installation is low with easy to use, processing cost,
The swan neck system for thin-wall circular tube of thin-wall circular tube bending angle can be accurately controlled, while thin-wall circular tube can be solved and be bent
There is the problem of flat pipe in deformed area in journey.
In order to solve the above technical problems, the technical scheme is that：For the swan neck system of thin-wall circular tube, including fixation
Pipe bending wheel in operating table surface, correspondence is rotatablely equipped with two bending pipe arms, two institutes to the upper and lower surface of the pipe bending wheel respectively
It states and the bend pipe pinch roller coordinated with the pipe bending wheel is installed between bending pipe arm, the end of two bending pipe arms has been correspondingly connected with bend pipe
The periphery of handle, the pipe bending wheel and the bend pipe pinch roller is correspondingly arranged respectively is useful for coordinating the arc for compressing thin-wall circular tube recessed
Slot is provided with bend pipe angular stop means in the pipe bending wheel, in the thin-wall circular tube cooperation bend pipe anti-deformation device is installed.
The bend pipe angular stop means include that the arc being arranged in the pipe bending wheel is slided as a preferred technical solution,
Road, the cambered way are arcuate socket, and angle limit bolt, the angle limit bolt are slidably fitted in the cambered way
It is externally connected with angle limit locking nut through the cambered way.
The upper surface of the pipe bending wheel is provided with bend pipe corresponding with cambered way angle as a preferred technical solution,
Spend graduation mark.
The bend pipe anti-deformation device is connected including at least three spherical supports with sphere as a preferred technical solution,
It restricts, there are one through holes, the sphere connecting rope to pass through the through hole near for setting on the central shaft of the spherical supports
Few two spherical supports are sequentially connected, and one end of the sphere connecting rope is equipped with fixed sphere block, the sphere
The other end of connecting rope is removably connected with adjustable sphere block, and the adjustable sphere block, which is encircled, is fixed on the sphere connection
On rope.
The adjustable sphere block includes two for encircling the clamping sphere connecting rope as a preferred technical solution,
Clamping embrace ring, two it is described clamping embrace rings one end articulated connection, two it is described clamping embrace rings the other ends be removably connected with folder
Hold clamping screw.
There are between adjustment between the outer wall of the spherical supports and the inner wall of thin-wall circular tube as a preferred technical solution,
Gap.
The periphery of the spherical supports is coated with sphere antifriction layer as a preferred technical solution,.
By adopting the above-described technical solution, the swan neck system for thin-wall circular tube, including it is fixedly mounted on operating table surface
On pipe bending wheel, correspondence is rotatablely equipped with two bending pipe arms respectively for the upper and lower surface of the pipe bending wheel, pacifies between two bending pipe arms
Equipped with the bend pipe pinch roller coordinated with the pipe bending wheel, the end of two bending pipe arms has been correspondingly connected with bend pipe handle, the bend pipe
The periphery of wheel and the bend pipe pinch roller is correspondingly arranged respectively is useful for the arc groove that cooperation compresses thin-wall circular tube, the pipe bending wheel
On be provided with bend pipe angular stop means, in the thin-wall circular tube cooperation bend pipe anti-deformation device is installed；The present invention's is beneficial
Effect is：Before the thin-wall circular tube bending, the thin-wall circular tube bending angle of needs is found in the pipe bending wheel, it is then right
The bend pipe angular stop means should be installed, when implementing bending, when the bending pipe arm turns to the bend pipe angular stop means
When, position, which is limited, will be unable to continue to operate, and the bending angle of the thin-wall circular tube meets what operating personnel needed in advance at this time
Bending angle, the bend pipe angular stop means can accurately control the bending angle that the thin-wall circular tube needs, be not in
Bending angle is excessive or too small phenomenon so that process is simpler；Simultaneously because the bend pipe anti-deformation device is in institute
The use coordinated in thin-wall circular tube is stated, solves the problems, such as that flat pipe occurs in thin-wall circular tube deformed area in bending process, bending is made to add
Working hour ensures the circularity of bending section as possible, keeps the shape of thin-wall circular tube deformed area smooth, beautiful；Simple in structure, installation and use
Convenient, processing cost is low.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the structural schematic diagram of bend pipe anti-deformation device of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of adjustable sphere block of the embodiment of the present invention；
Fig. 5 is the using renderings of Fig. 1 (after thin-wall circular tube bending)；
Fig. 6 is the vertical view of Fig. 5；
In figure：1- operating table surfaces；2- pipe bending wheels；3- bending pipe arms；4- bend pipe pinch rollers；5- bend pipe handles；6- thin-wall circular tubes；7-
Arc groove；81- cambered ways；82- angle limit bolts；83- angle limit locking nuts；84- bend pipe angle index lines；
91- spherical supports；92- sphere connecting ropes；93- fixes sphere block；94- adjustable sphere blocks.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the present invention.Undoubtedly, those skilled in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As depicted in figs. 1 and 2, it is used for the swan neck system of thin-wall circular tube, including the bend pipe being fixedly mounted in operating table surface 1
Wheel 2, correspondence is rotatablely equipped with two bending pipe arms 3 to the upper and lower surface of the pipe bending wheel 2 respectively, is equipped between two bending pipe arms 3
The bend pipe pinch roller 4 coordinated with the pipe bending wheel 2, the end of two bending pipe arms 3 has been correspondingly connected with bend pipe handle 5, the bend pipe
The periphery of wheel 2 and the bend pipe pinch roller 4 is correspondingly arranged respectively is useful for the arc groove 7 that cooperation compresses thin-wall circular tube 6, described in two
The mutual cooperation of arc groove 7 compresses the thin-wall circular tube 6, is suitable for the bending of the thin-wall circular tube 6, in the pipe bending wheel 2
Bend pipe angular stop means are provided with, coordinates in the thin-wall circular tube 6 and bend pipe anti-deformation device is installed.
The bend pipe angular stop means include the cambered way 81 being arranged in the pipe bending wheel 2, the cambered way
81 be arcuate socket, and angle limit bolt 82 is slidably fitted in the cambered way 81, and the angle limit bolt 82 runs through institute
It states cambered way 81 and is externally connected with angle limit locking nut 83；The angle limit bolt 82 and the angle limit locking screw
Mother 83 can also replace with the adjustable limited block in position；The upper surface of the pipe bending wheel 2 is provided with and the cambered way
81 corresponding bend pipe angle index lines 84, the bend pipe angle index line 84 are used to indicate 6 bending angle of the thin-wall circular tube, institute
It states before thin-wall circular tube 6 is bent, operating personnel need to preset the bending angle of the thin-wall circular tube 6 according to using, described
Corresponding angle indicating positions is found on bend pipe angle index line 84, then slides the angle limit bolt 82 in the arc
Sliding in road 81, until the position of the angle limit bolt 82 and the angle just found on the bend pipe angle index line 84
Until spending indicating positions correspondence, then the angle limit locking nut 83 is installed so that 82 position of angle limit bolt is solid
It is fixed, finally implement bending, when the bending pipe arm 3 turns to the angle limit locking nut 83, position, which is limited, will be unable to
Continue to operate, the bending angle of the thin-wall circular tube 6 meets the bending angle that operating personnel need in advance, effect after bending at this time
Fruit figure is as shown in Figure 5 and Figure 6, and the bend pipe angular stop means can accurately control the bending angle of the needs of the thin-wall circular tube 6
Degree is not in that bending angle is excessive or too small phenomenon so that process is simpler.
As shown in Figure 3 and Figure 4, the bend pipe anti-deformation device includes at least three spherical supports 91 and sphere connecting rope
92, there are one through holes for setting on the central shaft of the spherical supports 91, in actual use, the spherical supports
91 particular number determines that the sphere connecting rope 92 is flexible steel cable or other tools according to the bending length of thin-wall circular tube 6
There is the deformable rope of intensity；The sphere connecting rope 92 pass through the through hole by least two spherical supports 91 successively
Connection, one end of the sphere connecting rope 92 are equipped with fixed sphere block 93, and the other end of the sphere connecting rope 92 is removable
It unloads and is connected with adjustable sphere block 94, the adjustable sphere block 94, which is encircled, to be fixed in the sphere connecting rope 92, described solid
Determine sphere block 93 and the adjustable sphere block 94 is used to prevent the spherical supports 91 from the sphere connecting rope 92
On fall, but wherein the adjustable sphere block 94 also has removable unloading functions, when need to adjust the spherical supports 91 it
Between gap or when needing to increase or decrease the spherical supports 91, the adjustable sphere block 94 is disassembled, this
There are one free ends for one end tool of Shi Suoshu spheres connecting rope 92, therefore can hold herein and increase or decrease the spherical supports
91, or adjust the gap between the spherical supports 91 by adjusting the position of the adjustable sphere block 94, it adapts to
In different 6 bending angles of thin-wall circular tube and 6 length of thin-wall circular tube.
It is used to encircle the folder for clamping the sphere connecting rope 92 as shown in figure 4, the adjustable sphere block 94 includes two
It holds and embraces ring, one end articulated connection of ring is embraced in two clampings, and the other end that ring is embraced in two clampings is removably connected with clamping lock
Tight bolt；Clamping clamping screw technology known to those skilled in the art, details are not described herein, and does not show in figure
Go out；The adjustable sphere block 94, which can be encircled, to be clamped in the sphere connecting rope 92, and the spherical branch is can effectively prevent
Support body 91 is fallen from the sphere connecting rope 92, and the adjustable sphere block 94 is solid by the clamping clamping screw in addition
It is fixed, when needing the gap adjusted between the spherical supports 91 or needing to increase or decrease the spherical supports 91,
It under the clamping clamping screw being dismantled, and opens two clampings and embraces ring, at this time one end of the sphere connecting rope 92
There are one free ends for tool, therefore can hold herein and increase or decrease the spherical supports 91, or by adjusting described adjustable
The position of sphere block 94 adjusts the gap between the spherical supports 91, is adapted to different 6 bending angles of thin-wall circular tube
Degree and 6 length of thin-wall circular tube.
There are adjustment gaps between the outer wall and the inner wall of thin-wall circular tube 6 of the spherical supports 91；Prevent thin-wall circular tube 6
In bending process, occur stuck phenomenon, the setting in the adjustment gap between the spherical supports 91 and the thin-wall circular tube 6
Be conducive to the spherical supports 91 and be free to the activity in thin-wall circular tube 6, cannot be excessive but adjust gap, otherwise
Good anti-deformation effect cannot be played.
The periphery of the spherical supports 91 is coated with sphere antifriction layer, and in the present embodiment, the sphere antifriction layer is
Rubber layer reduces the pinch shock between the spherical supports 91 and the thin-wall circular tube 6 when 6 bending of thin-wall circular tube, to institute
The inner surface of the outer surface and the thin-wall circular tube 6 of stating spherical supports 91 is protected, the interior table of effective protection thin-wall circular tube 6
Face inner wall is not scratched.
The present invention solves the problems, such as that flat pipe occurs in thin-wall circular tube deformed area in bending process, makes to protect as possible when bending machining
The circularity for demonstrate,proving bending section keeps the shape of thin-wall circular tube deformed area smooth, beautiful, while can accurately control thin-wall circular tube needs
Bending angle；It is simple in structure, installation with it is easy to use, processing cost is low.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. for the swan neck system of thin-wall circular tube, including the pipe bending wheel that is fixedly mounted in operating table surface, the pipe bending wheel it is upper
Correspondence is rotatablely equipped with two bending pipe arms respectively for lower surface, and the bend pipe coordinated with the pipe bending wheel is equipped between two bending pipe arms
The end of pinch roller, two bending pipe arms has been correspondingly connected with bend pipe handle, it is characterised in that：The pipe bending wheel and the bend pipe pinch roller
Periphery be correspondingly arranged be useful for the arc groove that cooperation compresses thin-wall circular tube respectively, be provided with bend pipe angle in the pipe bending wheel
Limiting device, the interior cooperation of the thin-wall circular tube are equipped with bend pipe anti-deformation device.
2. being used for the swan neck system of thin-wall circular tube as described in claim 1, it is characterised in that：The bend pipe angular stop means
Including the cambered way in the pipe bending wheel is arranged, the cambered way is arcuate socket, is slidably installed in the cambered way
Angled caging bolt, cambered way described in the angle limit bolt-through are externally connected with angle limit locking nut.
3. being used for the swan neck system of thin-wall circular tube as claimed in claim 2, it is characterised in that：The upper surface of the pipe bending wheel is set
It is equipped with bend pipe angle index line corresponding with the cambered way.
4. being used for the swan neck system of thin-wall circular tube as described in claim 1, it is characterised in that：The bend pipe anti-deformation device packet
Include at least three spherical supports and sphere connecting rope, there are one through hole, institutes for setting on the central shaft of the spherical supports
It states sphere connecting rope to be sequentially connected at least two spherical supports across the through hole, the one of the sphere connecting rope
End is equipped with fixed sphere block, and the other end of the sphere connecting rope is removably connected with adjustable sphere block, described adjustable
Sphere block, which is encircled, to be fixed in the sphere connecting rope.
5. being used for the swan neck system of thin-wall circular tube as claimed in claim 4, it is characterised in that：The adjustable sphere block includes
Two clamping armful rings that the sphere connecting rope is clamped for encircling, one end articulated connection of rings is embraced in two clampings, described in two
The other end that ring is embraced in clamping is removably connected with clamping clamping screw.
6. being used for the swan neck system of thin-wall circular tube as claimed in claim 4, it is characterised in that：The outer wall of the spherical supports
There are adjustment gaps between the inner wall of thin-wall circular tube.
7. being used for the swan neck system of thin-wall circular tube as claimed in claim 4, it is characterised in that：The periphery of the spherical supports
It is coated with sphere antifriction layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992189.5A CN108772449A (en) | 2018-08-29 | 2018-08-29 | Swan neck system for thin-wall circular tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992189.5A CN108772449A (en) | 2018-08-29 | 2018-08-29 | Swan neck system for thin-wall circular tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108772449A true CN108772449A (en) | 2018-11-09 |
Family
ID=64028809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992189.5A Pending CN108772449A (en) | 2018-08-29 | 2018-08-29 | Swan neck system for thin-wall circular tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108772449A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822790A (en) * | 2019-04-15 | 2019-05-31 | 浙江澳尔法机械制造有限公司 | Plug apparatus for bending |
| CN111545605A (en) * | 2020-05-14 | 2020-08-18 | 谷城大成机械有限公司 | Universal mold for manufacturing concrete pump truck elbow |
| WO2021022846A1 (en) * | 2019-08-02 | 2021-02-11 | 中建三局第二建设工程有限责任公司 | Arc-shaped pipe bender applied to manufacturing of line pipe at round cabin section of underground comprehensive pipe gallery |
| CN113083961A (en) * | 2021-04-08 | 2021-07-09 | 常州大学 | Extrusion-free bending equipment for right-angle elbow of thin-wall steel pipe |
| CN114130872A (en) * | 2021-11-26 | 2022-03-04 | 九江海天设备制造有限公司 | Universal small-diameter thin-walled tube bending device |
-
2018
- 2018-08-29 CN CN201810992189.5A patent/CN108772449A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822790A (en) * | 2019-04-15 | 2019-05-31 | 浙江澳尔法机械制造有限公司 | Plug apparatus for bending |
| WO2021022846A1 (en) * | 2019-08-02 | 2021-02-11 | 中建三局第二建设工程有限责任公司 | Arc-shaped pipe bender applied to manufacturing of line pipe at round cabin section of underground comprehensive pipe gallery |
| CN111545605A (en) * | 2020-05-14 | 2020-08-18 | 谷城大成机械有限公司 | Universal mold for manufacturing concrete pump truck elbow |
| CN113083961A (en) * | 2021-04-08 | 2021-07-09 | 常州大学 | Extrusion-free bending equipment for right-angle elbow of thin-wall steel pipe |
| CN114130872A (en) * | 2021-11-26 | 2022-03-04 | 九江海天设备制造有限公司 | Universal small-diameter thin-walled tube bending device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181109 |