ES430996A1 - Machine for straightening of round bars or tubes - Google Patents
Machine for straightening of round bars or tubesInfo
- Publication number
- ES430996A1 ES430996A1 ES430996A ES430996A ES430996A1 ES 430996 A1 ES430996 A1 ES 430996A1 ES 430996 A ES430996 A ES 430996A ES 430996 A ES430996 A ES 430996A ES 430996 A1 ES430996 A1 ES 430996A1
- Authority
- ES
- Spain
- Prior art keywords
- rolls
- workpiece
- straightening
- crankshaft
- workpieces
- 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.)
- Expired
Links
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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/04—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes skew to the path of the work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Wire Processing (AREA)
Abstract
A straightening machine for long tubular or bar-shaped round workpieces has a row of straightening units into which a fresh workpiece is introduced and from which a straightened workpiece is removed by moving sideways. Each unit has two lower straightening rolls and an upper straightening roll movable between an extended position in which it cooperates with the other rolls of the same unit to straighten a workpiece and a retracted position in which a fresh workpiece can be inserted or a treated workpiece removed. All upper rolls are movable in a synchronism with each other in response to rotation of a crankshaft which is mounted in the frame of the machine and transmits motion to the upper rolls through the medium of double cranks and connecting rods. The crankshaft is rotatable by a drive which has a gear secured to an intermediate portion of the crankshaft and a fluid-operated motor or a set of pulleys for rotating the gear through the medium of one or more additional gears. The crankshaft further serves to raise and lower the upper sections of tubular guides in which the workpiece is confined between neighboring straightening units during treatment by the rolls. The upper sections are lifted simultaneously with the upper rolls to allow for unimpeded insertion of fresh workpieces and removal of straightened workpieces. A further shaft can adjust the positions of upper rolls independently of the crankshaft so that the units can receive workpieces having larger or smaller diameters.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732352281 DE2352281C3 (en) | 1973-10-18 | Straightening system for pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES430996A1 true ES430996A1 (en) | 1976-10-16 |
Family
ID=5895777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES430996A Expired ES430996A1 (en) | 1973-10-18 | 1974-10-14 | Machine for straightening of round bars or tubes |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3910088A (en) |
| JP (1) | JPS542196B2 (en) |
| CA (1) | CA1024052A (en) |
| DD (1) | DD113702A1 (en) |
| ES (1) | ES430996A1 (en) |
| FR (1) | FR2248093B1 (en) |
| GB (1) | GB1461859A (en) |
| HU (1) | HU170713B (en) |
| IT (1) | IT1022882B (en) |
| SU (1) | SU561496A3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1288426B1 (en) * | 1997-01-23 | 1998-09-22 | Demag Italimpianti Spa | MACHINE FOR THE STRAIGHTENING OF ASTIFORM PIPES AND BODIES IN GENERAL |
| CN101412055B (en) * | 2008-10-28 | 2010-06-02 | 上海第二工业大学 | Rotating and straightening method using metal pipe tension |
| CN101890443A (en) * | 2010-07-05 | 2010-11-24 | 重庆拓润科技有限公司 | Straightening method without participation of straight line segments on shaft |
| CN111475896B (en) * | 2020-04-14 | 2023-04-21 | 太原科技大学 | Method for determining neutral position of bar straightening stress |
| CN114247776B (en) * | 2021-12-10 | 2024-06-25 | 大连德迈仕精密科技股份有限公司 | Motor shaft straightening mechanism for motor shaft preparation and use method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1382309A (en) * | 1919-08-01 | 1921-06-21 | James T Moltrup | Straightening-machine |
| DE2051087A1 (en) * | 1970-10-17 | 1972-06-22 | Th. Kieserling & Albrecht, 5650 Solingen | Method for feeding round workpieces that rotate about their longitudinal axis during processing to processing machines, in particular straightening machines |
-
1974
- 1974-09-17 HU HUKI712A patent/HU170713B/hu unknown
- 1974-10-14 ES ES430996A patent/ES430996A1/en not_active Expired
- 1974-10-15 IT IT28436/74A patent/IT1022882B/en active
- 1974-10-15 DD DD181709A patent/DD113702A1/xx unknown
- 1974-10-17 US US515712A patent/US3910088A/en not_active Expired - Lifetime
- 1974-10-17 GB GB4509374A patent/GB1461859A/en not_active Expired
- 1974-10-18 FR FR7435210A patent/FR2248093B1/fr not_active Expired
- 1974-10-18 JP JP12093474A patent/JPS542196B2/ja not_active Expired
- 1974-10-18 SU SU2072322A patent/SU561496A3/en active
- 1974-10-18 CA CA211,703A patent/CA1024052A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS542196B2 (en) | 1979-02-03 |
| SU561496A3 (en) | 1977-06-05 |
| JPS5067770A (en) | 1975-06-06 |
| CA1024052A (en) | 1978-01-10 |
| FR2248093A1 (en) | 1975-05-16 |
| US3910088A (en) | 1975-10-07 |
| HU170713B (en) | 1977-08-28 |
| DD113702A1 (en) | 1975-06-20 |
| DE2352281A1 (en) | 1975-04-24 |
| FR2248093B1 (en) | 1976-12-31 |
| IT1022882B (en) | 1978-04-20 |
| DE2352281B2 (en) | 1977-06-08 |
| GB1461859A (en) | 1977-01-19 |
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