CN202114147U - U-shaped forming die for large-diameter thick-wall welded steel pipe - Google Patents
U-shaped forming die for large-diameter thick-wall welded steel pipe Download PDFInfo
- Publication number
- CN202114147U CN202114147U CN2011201667866U CN201120166786U CN202114147U CN 202114147 U CN202114147 U CN 202114147U CN 2011201667866 U CN2011201667866 U CN 2011201667866U CN 201120166786 U CN201120166786 U CN 201120166786U CN 202114147 U CN202114147 U CN 202114147U
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- plate
- shaped
- diameter
- wall welded
- steel pipe
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Abstract
The utility model discloses a U-shaped forming die for a large-diameter thick-wall welded steel pipe, which comprises a U-shaped plate and a plurality of reinforcing plates perpendicularly arranged in the U-shaped plate at intervals. The U-shaped plate comprises a semicircular plate and two arc plates, the diameter of the semicircular plate is larger than that of each arc plate, and the bottom surfaces of the two arc plates are welded on two top surfaces of the semicircular plate respectively. By the aid of the die, manufacturing process is simplified effectively, manufacturing efficiency is improved, product quality is ensured, and mass production can be realized.
Description
Technical field
The utility model relates to a kind of U-shaped mould of major-diameter thick-wall welded still pipe.
Background technology
The major-diameter thick-wall welded still pipe is widely used in the conveyance conduit of oil, natural gas etc., and such steel pipe adopts economy, Uing-Oing moulding process manufacturing efficiently usually at present.Wherein the Uing moulding is used the U-shaped mould exactly steel plate is pre-bent to U type shape.This mould is core component on the steel pipe whole production line, and according to the difference of outer diameter of steel pipes specification, this mould also has corresponding different size.
As shown in Figure 1; This mould reaches the stiffener 2 that 1.9 meters U-shaped plate 1 and some intervals be vertical in the U-shaped plate 1 by a block length and constitutes; The U-shaped plate is generally the two radian symmetric form splicings of two boards material, and top 11 radians of sheet material need during making to go out two different radians along sheet material length direction manual pressing less than bottom 12 radians of sheet material; Then the welding assembly unit of two boards material bottom is constituted mold shell, there is a weld seam 13 the mold shell bottom surface.Obviously this mould manufacturing has the certain process difficulty, and it is low to make efficient, and product quality can not get effective assurance, can't realize mass production.
Summary of the invention
The utility model technical problem to be solved provides a kind of U-shaped mould of major-diameter thick-wall welded still pipe, and this mould has effectively been simplified manufacture craft, has improved manufacturing efficient, has guaranteed product quality, and can realize producing in enormous quantities.
For solving the problems of the technologies described above; The U-shaped mould of the utility model major-diameter thick-wall welded still pipe comprises that U-shaped plate and some intervals are vertical at the stiffener in the said U-shaped plate; Said U-shaped plate comprises semi-circular plate and two arcs; The diameter of said semi-circular plate is greater than the diameter of said arc, and the bottom surface of said two arcs is welded in two end faces of said semi-circular plate respectively.
Because the U-shaped mould of the utility model major-diameter thick-wall welded still pipe has adopted technique scheme; Be that this mould comprises that U-shaped plate and some intervals are vertical at the stiffener in the U-shaped plate; The U-shaped plate comprises semi-circular plate and two arcs; The diameter of semi-circular plate is greater than the diameter of arc, and the bottom surface of two arcs is welded in two end faces of semi-circular plate respectively.This mould has effectively been simplified manufacture craft, has improved manufacturing efficient, has guaranteed product quality, and can realize producing in enormous quantities.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
Fig. 1 is the structural representation of traditional U-shaped mould,
Fig. 2 is the structural representation of the U-shaped mould of the utility model major-diameter thick-wall welded still pipe,
Fig. 3 is that the A-A of Fig. 2 is to view.
The specific embodiment
As shown in Figures 2 and 3; The U-shaped mould of the utility model major-diameter thick-wall welded still pipe comprises that U-shaped plate 1 and some intervals are vertical at the stiffener 2 in the said U-shaped plate 1; Said U-shaped plate 1 comprises semi-circular plate 4 and two arcs 3; The diameter of said semi-circular plate 4 is greater than the diameter of said arc 3, and the bottom surface of said two arcs 3 is welded in two end faces of said semi-circular plate 4 respectively.
The shell of this U-shaped mould changes to single radian asymmetric splicing construction by original two radian symmetrical expression splicing constructions.Two arcs 3 are of a size of R200 * 1900, semi-circular plate 4 is of a size of R395 * 1900, two arc 3 and forms two longitudinal spliced weld seams 5,6 with semi-circular plate 4 welding backs.Through optimization to the shell splicing construction; Can directly adopt mechanical type three roller forming presses with two arcs 3 and semi-circular plate 4 compression mouldings; Thereby avoided the critical technological point that carries out manual die mould on 1.9 meters the steel plate reaching, simplified process, improved manufacturing efficient; Guarantee product quality, and be easy to realize mass production.This U-shaped mould is through the actual requirement that uses full up sufficient steel pipe's production.
Claims (1)
1. the U-shaped mould of a major-diameter thick-wall welded still pipe; Comprise that U-shaped plate and some intervals are vertical at the stiffener in the said U-shaped plate; It is characterized in that: said U-shaped plate comprises semi-circular plate and two arcs; The diameter of said semi-circular plate is greater than the diameter of said arc, and the bottom surface of said two arcs is welded in two end faces of said semi-circular plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201667866U CN202114147U (en) | 2011-05-24 | 2011-05-24 | U-shaped forming die for large-diameter thick-wall welded steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201667866U CN202114147U (en) | 2011-05-24 | 2011-05-24 | U-shaped forming die for large-diameter thick-wall welded steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202114147U true CN202114147U (en) | 2012-01-18 |
Family
ID=45455245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201667866U Expired - Fee Related CN202114147U (en) | 2011-05-24 | 2011-05-24 | U-shaped forming die for large-diameter thick-wall welded steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202114147U (en) |
-
2011
- 2011-05-24 CN CN2011201667866U patent/CN202114147U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20160524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |