CN106040765A - Steel pipe drawing device and low-cost pipe drawing process based on device - Google Patents
Steel pipe drawing device and low-cost pipe drawing process based on device Download PDFInfo
- Publication number
- CN106040765A CN106040765A CN201610482165.6A CN201610482165A CN106040765A CN 106040765 A CN106040765 A CN 106040765A CN 201610482165 A CN201610482165 A CN 201610482165A CN 106040765 A CN106040765 A CN 106040765A
- Authority
- CN
- China
- Prior art keywords
- pipe
- steel pipe
- interior mould
- pipeline section
- turning
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/04—Dies; Selection of material therefor; Cleaning thereof with non-adjustable section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/27—Carriages; Drives
- B21C1/28—Carriages; Connections of grippers thereto; Grippers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a steel pipe drawing device comprising an outer mold and an inner mold. The left end of the inner mold is in the shape of a circular truncated cone; the right end of the inner mold is in the shape of a cylinder; the area of the cross section of the portion, in the shape of the circular truncated cone, of the inner mold is sequentially decreased from right to left; the inner mold is sleeved with the outer mold; the center line of the inner mold coincides with that of the outer mold; the inner mold is fixed to an inner mold fixing rod; after the inner wall of the right end of a pipe blank of a steel pipe is turned, a turned pipe segment is formed and is internally provided with a round pad; a clamp is further arranged on the portion, at the position of the round pad, of the turned pipe segment; and the inner diameter of the turned pipe segment, the outer diameter of the round pad and the outer diameter of the cylindrical portion of the inner mold are the same. The invention further discloses a low-cost pipe drawing process based on the steel pipe drawing device. The low-cost pipe drawing process based on the steel pipe drawing device omits one pipe expanding process cycle, only the machining step of turning an inner hole of the pipe blank of the steel pipe needs to be added before the pipe drawing procedure, the machining procedure is simplified, the production cost is greatly reduced, and the benefits of enterprises can be increased easily.
Description
Technical field
The present invention relates to steel pipe manufacture field, a kind of steel pipe pipe drawing device and low cost tube drawing based on this device
Technique.
Background technology
In the steel pipe course of processing, it is sometimes desirable to carry out tube drawing technique, tube drawing is exactly that thicker steel pipe is drawn into thinner
Steel pipe, corresponding technique is exactly expander technique, and expander technique is that tubule uses processes become thicker pipe, also
It is expander.As shown in drawings, including external mold and Nei Mo, interior mould is cylindrical to the pipe drawing device that existing tube drawing technique is used,
Interior die sleeve is located in external mold, and Nei Mo overlaps with external mold centrage, and interior mould is fixed on interior mould and fixes on bar, during use, by steel pipe
Pipe stretch between external mold and interior mould, and steel pipe pipe termination welding weldering plug, pull weldering plug, just drive steel pipe
Gradually between external mold and interior mould, preparing tube product, in the process, diameter of steel tube reduces and wall thickness reduces.Existing
Tube drawing technique not only tube reducing but also subtract wall, when diameter and the equal diameters of steel pipe pipe of tube product or be slightly less than the straight of steel pipe pipe
During footpath, conventional manufacturing procedure, is that steel pipe pipe first carries out expander processing, carries out tube drawing processing, complex procedures the most again, increases
Add production cost.
Summary of the invention
It is an object of the invention to provide a kind of steel pipe pipe drawing device and low cost tube drawing technique based on this device, to solve
The problem certainly proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of steel pipe pipe drawing device, including external mold and Nei Mo, interior mould left end is truncated cone-shaped, and right-hand member is cylindrical, and interior mould
The area of section of truncated cone-shaped part reduces the most successively, and interior die sleeve is located in external mold, and Nei Mo overlaps with external mold centrage,
Interior mould is fixed on interior mould and fixes on bar, and the pipe right-hand member of steel pipe is arranged in forming turning pipeline section, turning pipeline section after inwall turning
There is planchet, and turning pipeline section is additionally provided with clamp, the internal diameter of turning pipeline section and the external diameter of planchet and interior mould cylinder at planchet
The outside dimension of shape part is identical.
As the further scheme of the present invention: described interior die sleeve is located at interior mould and fixes on bar and fixed by nut.
As the present invention further scheme: a length of 200mm of described turning pipeline section.
A kind of low cost tube drawing technique based on above-mentioned steel pipe pipe drawing device, step is as follows:
1) steel pipe pipe right-hand member inwall is carried out turning process, form the turning pipeline section of 200mm length；
2) steel pipe pipe right-hand member is inserted in external mold, then interior mould is put into steel pipe pipe by turning pipeline section, by interior
Die sleeve is located at interior mould and fixes on bar and fixed by nut；
3) planchet is filled in turning pipeline section, and at the planchet of turning pipeline section, press from both sides clamp；
4) hold steel pipe pipe by clamp, make steel pipe pipe between external mold and interior mould, prepare the steel pipe after processing
Product.
Compared with prior art, the invention has the beneficial effects as follows:
1, it is somebody's turn to do low cost tube drawing technique based on steel pipe pipe drawing device, when diameter and the diameter of steel pipe pipe of tube product
Be equal or slightly less than steel pipe pipe diameter time, decrease an expander process cycles (include expander, deoil, solid solution, aligning,
Sawing, pickling, reconditioning), it is only necessary to before tube drawing operation, increase the turnery processing step to steel pipe pipe endoporus, simplify processing
Operation, greatly reduces production cost, it is possible to saves production cost 1500 yuan/ton, is conducive to improving the performance of enterprises.
2, it is somebody's turn to do low cost tube drawing technique based on steel pipe pipe drawing device, during carrying out tube drawing, is difficult to that broken end shape occurs
Condition, improves yield rate, is conducive to improving the performance of enterprises.
Accompanying drawing explanation
The structural representation of the pipe drawing device that Fig. 1 is used by existing tube drawing technique.
The structural representation of the steel pipe pipe drawing device that Fig. 2 is used by low cost tube drawing technique of the present invention.
In figure: in 1-external mold, 2-, in mould, 3-, mould fixes bar, 4-steel pipe, 5-weld plug, 6-turning pipeline section, 7-planchet, 8-
Clamp.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in more detail.
The structural representation of the pipe drawing device that accompanying drawing 1 is used by existing tube drawing technique, including external mold 1 and Nei Mo 2, interior
Mould 2 is cylindrical, and interior mould 2 is set in external mold 1, and interior mould 2 overlaps with external mold 1 centrage, and interior mould 2 is fixed on interior mould and fixes bar
On 3, during use, the pipe of steel pipe 4 is stretched between external mold 1 and interior mould 2, and the termination welding weldering plug of the pipe at steel pipe 4
5, pull weldering plug 5, just drive steel pipe 4 gradually between external mold 1 and interior mould 2, prepare steel pipe 4 product, in the process, steel
Pipe 4 diameter reduces and wall thickness reduces.Existing tube drawing technique not only tube reducing but also subtract wall, when diameter and the steel pipe pipe of tube product
Equal diameters or when being slightly less than the diameter of steel pipe pipe, conventional manufacturing procedure, is first steel pipe pipe to be carried out expander processing, so
After carry out tube drawing processing, complex procedures again, add production cost, it addition, in carrying out tube drawing technical process, easily occur disconnected
Head condition.
Referring to Fig. 2, a kind of steel pipe pipe drawing device, including external mold 1 and Nei Mo 2, interior mould 2 left end is truncated cone-shaped, and right-hand member is
Cylinder, and the area of section of interior mould 2 truncated cone-shaped part reduces the most successively, so that the side of interior mould 2 truncated cone-shaped part
Face forms compressive plane, and interior mould 2 is set in external mold 1, and interior mould 2 overlaps with external mold 1 centrage, and interior mould 2 is fixed on interior mould and fixes
On bar 3, the fixed form that interior mould 2 and interior mould are fixed between bar 3 is without restriction, in the present embodiment, it is preferred that described interior mould 2 overlaps
Being located at interior mould fix on bar 3 and fixed by nut, the pipe right-hand member of steel pipe 4 will form turning pipeline section 6, turning after inwall turning
It is provided with planchet 7 in pipeline section 6, and turning pipeline section 6 is additionally provided with clamp 8, the internal diameter of turning pipeline section 6 and planchet 7 at planchet 7
The outside dimension of external diameter and interior mould 2 cylindrical part is identical, and the length of turning pipeline section 6 can set according to practical situation,
In the present embodiment, it is preferred that a length of 200mm of described turning pipeline section 6.
A kind of low cost tube drawing technique based on described steel pipe pipe drawing device, step is as follows:
1) steel pipe 4 pipe right-hand member inwall is carried out turning process, form the turning pipeline section 6 of 200mm length；
2) steel pipe 4 pipe right-hand member is inserted in external mold 1, then interior mould 2 is put into steel pipe 4 pipe by turning pipeline section 6,
Interior mould 2 is set in interior mould fix on bar 3 and fixed by nut；
3) planchet 7 is filled in turning pipeline section 6, and at the planchet 7 of turning pipeline section 6, press from both sides clamp 8；
4) hold steel pipe 4 pipe by clamp 8, make steel pipe 4 pipe between external mold 1 and interior mould 2, prepare after processing
Steel pipe 4 product.
Should low cost tube drawing technique based on described steel pipe pipe drawing device, when diameter and steel pipe pipe straight of tube product
When footpath is equal or slightly less than the diameter of steel pipe pipe, decrease an expander process cycles (include expander, deoil, solid solution, rectify
Directly, sawing, pickling, reconditioning), it is only necessary to before tube drawing operation, increase the turnery processing step to steel pipe pipe endoporus, simplify
Manufacturing procedure, greatly reduces production cost, it is possible to saves production cost 1500 yuan/ton, is conducive to improving the performance of enterprises.This base
In the low cost tube drawing technique of described steel pipe pipe drawing device, during carrying out tube drawing, it is difficult to that broken end situation occurs, improves into
Product rate.
Above the better embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art is possessed, it is also possible on the premise of without departing from present inventive concept
Various changes can be made.
Claims (4)
1. a steel pipe pipe drawing device, it is characterised in that include external mold (1) and interior mould (2), interior mould (2) left end is truncated cone-shaped, right
End is cylinder, and the area of section of interior mould (2) truncated cone-shaped part reduces the most successively, and interior mould (2) is set in external mold (1)
In, and interior mould (2) overlaps with external mold (1) centrage, interior mould (2) is fixed on interior mould and fixes on bar (3), the pipe right side of steel pipe (4)
Hold forming turning pipeline section (6) after inwall turning, be provided with planchet (7) in turning pipeline section (6), and turning pipeline section (6) is at planchet
(7) place is additionally provided with clamp (8), the external diameter of the internal diameter of turning pipeline section (6) and planchet (7) and interior mould (2) cylindrical part
Outside dimension is identical.
Steel pipe pipe drawing device the most according to claim 1, it is characterised in that described interior mould (2) is set in interior mould and fixes bar
(3) above and fixed by nut.
Steel pipe pipe drawing device the most according to claim 1 and 2, it is characterised in that described turning pipeline section (6) a length of
200mm。
4. a low cost tube drawing technique based on the steel pipe pipe drawing device as described in claim 1-3 is arbitrary, it is characterised in that
Step is as follows:
1) steel pipe (4) pipe right-hand member inwall is carried out turning process, form the turning pipeline section (6) of 200mm length；
2) steel pipe (4) pipe right-hand member is inserted in external mold (1), then interior mould (2) is put into steel pipe (4) by turning pipeline section (6)
In pipe, interior mould (2) is set in interior mould and fixes on bar (3) and fixed by nut；
3) planchet (7) is filled in turning pipeline section (6), and press from both sides upper clamp (8) at planchet (7) place of turning pipeline section (6)；
4) hold steel pipe (4) pipe by clamp (8), make steel pipe (4) pipe between external mold (1) and interior mould (2), prepare and add
Steel pipe (4) product after work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610482165.6A CN106040765A (en) | 2016-06-28 | 2016-06-28 | Steel pipe drawing device and low-cost pipe drawing process based on device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610482165.6A CN106040765A (en) | 2016-06-28 | 2016-06-28 | Steel pipe drawing device and low-cost pipe drawing process based on device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106040765A true CN106040765A (en) | 2016-10-26 |
Family
ID=57165963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610482165.6A Pending CN106040765A (en) | 2016-06-28 | 2016-06-28 | Steel pipe drawing device and low-cost pipe drawing process based on device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106040765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024625A (en) * | 2020-08-12 | 2020-12-04 | 江苏君睿智能制造有限公司 | Special-shaped steel pipe grabbing-free pulling system and pulling method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6076291A (en) * | 1983-10-03 | 1985-04-30 | Kuroki Kogyosho:Kk | Production of clad steel pipe |
| RU2030941C1 (en) * | 1992-09-29 | 1995-03-20 | Григорий Александрович Сизоненко | Tube drawing method |
| WO2013053003A1 (en) * | 2011-10-11 | 2013-04-18 | Monash University | Strengthened metal tubes |
| CN103962403A (en) * | 2014-05-02 | 2014-08-06 | 内蒙古北方重工业集团有限公司 | Squeezing-drawing method for wall thickness reduction of heavy caliber tubular product |
| CN203991715U (en) * | 2014-08-27 | 2014-12-10 | 邯郸新兴特种管材有限公司 | A kind of large-diameter steel pipe cold drawing die |
| CN205236635U (en) * | 2015-11-04 | 2016-05-18 | 衡阳鸿源管业有限公司 | Tube drawing mould |
-
2016
- 2016-06-28 CN CN201610482165.6A patent/CN106040765A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6076291A (en) * | 1983-10-03 | 1985-04-30 | Kuroki Kogyosho:Kk | Production of clad steel pipe |
| RU2030941C1 (en) * | 1992-09-29 | 1995-03-20 | Григорий Александрович Сизоненко | Tube drawing method |
| WO2013053003A1 (en) * | 2011-10-11 | 2013-04-18 | Monash University | Strengthened metal tubes |
| CN103962403A (en) * | 2014-05-02 | 2014-08-06 | 内蒙古北方重工业集团有限公司 | Squeezing-drawing method for wall thickness reduction of heavy caliber tubular product |
| CN203991715U (en) * | 2014-08-27 | 2014-12-10 | 邯郸新兴特种管材有限公司 | A kind of large-diameter steel pipe cold drawing die |
| CN205236635U (en) * | 2015-11-04 | 2016-05-18 | 衡阳鸿源管业有限公司 | Tube drawing mould |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024625A (en) * | 2020-08-12 | 2020-12-04 | 江苏君睿智能制造有限公司 | Special-shaped steel pipe grabbing-free pulling system and pulling method thereof |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
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| WD01 | Invention patent application deemed withdrawn after publication |