EP1509347A1 - Method and machine for simultaneous and parallel production of similar products, through straightening and bending of wires, wire rods, metal tubes or other material of prismatic cross section. - Google Patents
Method and machine for simultaneous and parallel production of similar products, through straightening and bending of wires, wire rods, metal tubes or other material of prismatic cross section.Info
- Publication number
- EP1509347A1 EP1509347A1 EP03727741A EP03727741A EP1509347A1 EP 1509347 A1 EP1509347 A1 EP 1509347A1 EP 03727741 A EP03727741 A EP 03727741A EP 03727741 A EP03727741 A EP 03727741A EP 1509347 A1 EP1509347 A1 EP 1509347A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- common
- bending
- mechanisms
- driven
- machine
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
Definitions
- the present invention refers to a method and a machine for simultaneous and parallel production of similar products, by straightening and bending mechanisms.
- the supplied material is wire, wire rod or any other material of prismatic cross section, and it is fed simultaneously at several production lines, where controlling and driving is common.
- the products are widely used in the construction of machine parts, of various consumer products made of wire, of products made of wire rods, and of parts made of metal tubes:
- the machines which are available in the market, consist of one straightening and one feeding mechanism, which straighten and advance the wire respectively, and of one bending mechanism, for bending at a single plane (2-D) or at multiple planes (3-D).
- Each mechanism disposes its own independent motor, its own means for measuring of length or rotation angle, and its own means for transferring of motion from the motor towards each particular mechanism.
- the machine disposes a central computer for programming (planning) of the production parts and for controlling of the various mechanisms motion.
- each machine constructs products in a serial mode, one after the other.
- the need for high productivity leads to the construction of very fast machines, which operate at high speeds, and hence they have particular requirements of robustness, housing, construction material, and highspeed electronic controllers. As a direct consequence of this, the resulting machines are very complicated and particularly expensive.
- the objective of the present invention is to present a method, which will resolve the problems of the existing methods, and will lead to the construction of a simple- in-design, low-cost, and high-productivity machine.
- the aim of the present invention is to describe a machine, which implements the method of the invention, where the machine exhibits high productivity at lower production cost, less machine bulk, and fully automated operation.
- the method is schematically presented in fig. 1.
- the wire (1) is pulled from a reel, where it is stored, and is fed towards the straightening mechanism (4) through the advancement mechanism (3).
- Advancement is usually implemented through roller pairs, which press the wire, rotate, and therefore advance it.
- the advancement rollers move through the mechanisms (16), which are driven by the motor (13).
- the advancement of the material (1) is also controlled.
- the material (1) advances to the bending mechanism (6), where it is bent, through rotation of a moving pin, about a fixed pin.
- the bending angle depends on the operation of the motor (15), which drives the rotating pin, through the mechanism (18).
- the material (1) is cut by a cutter, located near the bending mechanism.
- the operation plane of the bending mechanism (5), which is defined by the fed and the bent wire ⁇ can be- changed upon rotation with respect to the axis of the longitudinal wire (1), through the mechanism (17), which is driven by the motor (14).
- a cutter (21) cuts and separates the part from the remaining material.
- the advancement, straightening, bending and change of bending plane mechanisms are driven by motors, through appropriate mechanisms, where the referred motors are controlled and driven by a central controlling unit (19).
- a terminal is used as an interface between the controlling unit and the user, where all programming is implemented.
- the material (2) is being processed simultaneously with the material (1), where the material (2) is fed through the advancement mechanism (8), is straightened through the straightening mechanism (9), is bent through the bending mechanism
- the advancement mechanism (8) of the material (2) is similar to the advancement mechanism (3) of the material (1), and they are driven by the same motor (13), through a common driving mechanism
- (1) is similar to the mechanism (11) for the material (2), and they are driven by a common motor (14), through common driving mechanism.
- the two cutters (21) and (22) in the two production lines are similar and they are driven by a common driving source.
- the controlling unit (19) remains the same for both production lines, and the number of controlled rotation axes is also the same.
- the terminal unit which is used for communication with the user (20), is common for both production lines.
- more production lines can be added to the above two-line system, where all production lines have similar mechanisms, where these mechanisms dispose common driving motors and driving mechanisms. Furthermore, all production lines have a common controlling unit and a common terminal for communication with the user.
- Figure 1 presents the method of the present invention.
- Figure 2 presents a side view of the machine.
- Figure 3 presents atop view of the machine.
- the machine which realizes the method of the present invention is presented below with two production lines.
- the invention refers to two or more similar production lines, which produce similar parts, disposing common driving motors and driving mechanisms for the machine various mechanisms.
- the wire (1) is fed through the roller couples (30) of the advancement mechanism (3), which are driven by the shaft (31), through the chain (32).
- the wire (2) is fed through the roller couples (33), which are driven by the same shaft (31), through the chain (34).
- the shaft (31) is rotated by the motor (13), through the chain (35), where the motor (13) is a servomotor controlled by the controller (19).
- the straightening mechanism comprises of a two-level straightening.
- the straightened wire (1) is fed towards the mechanism (5) for the selection of the bending plane, which consists of a fixed gripper (36) and a rotating gripper (37), where the axis of rotation of the gripper (37) coincides with the axis of the wire (l).
- the rotating gripper (37) is driven by the servomotor (14), through the chain (38), where the servomotor (14) is controlled by the system controller (19).
- similar mechanisms are in operation, namely a fixed gripper (39) and a rotating gripper (40).
- the rotating gripper (40) is driven by the same motor (14), through'the chain (41).
- the change in the bending plane is implemented as following :
- the fixed (36) and the rotating (37) grippers are activated and constrain firmly the wire (1)
- the fixed (39) and rotating (40) grippers are activated and constrain firmly the wire
- the motor (14) drives the rotating grippers (37) and (40), which rotate the wires (1) and (2) respectively about the fixed grippers.
- the torsional deformation of the two wires causes the rotation of the semi-formed products (7) and (12), with respect to the fixed parts of the wires.
- the rotation of the wires causes permanent plastic deformations due to torsion, thus producing 3-D geometries of products.
- the wire (1) is advanced towards the bending mechanism (6), which consists of a fixed pin (41) and a rotating pin (42), which rotates about the fixed pin (41).
- the rotating pin is supported on a shaft, and is driven by a shaft (44), through the cogged belt (43).
- the shaft is driven by the servomotor (15), which is controlled by the controller (19).
- the wire (2) is advanced towards the bending mechanism (11), which consists of a fixed pin (45) and a rotating pin (46).
- the rotating pin is supported on a shaft, and is driven by the common shaft (44), through the cogged belt (47).
- the shaft is driven by the common servomotor (15).
- the pins (42) and (46) are rotated about the fixed pins (41) and (45) respectively, and bend the wires, moving along the under production parts (7) and (12).
- the cutter (21) cuts the wire (1) after completion of each part in the first production line.
- the cutter consists of a moving cutting tool (48), which is driven by a hydraulic cylinder with respect to a fixed cutting tool (49), and finally cuts the material (1).
- a similar cutter operates in the second production line, where the two cutters (21) and (22) share a common source of high-pressure oil system.
- the machine operation is programmed through a communication terminal (20), the operation of the servomotors and consequently the motion of each mechanism is controlled by a controller (19). These mechanisms are the advancement of the wires, the selection of the bending plane and the wire bending.
- the 3-D bending mechanism can be of different construction.
- the bending mechanisms (6) and (11) can be rotated about the axes of the wires (1) and (2) respectively, in order to obtain the changing of the bending plane.
- the straightening mechanisms (4) and (9) can be of the two plane type or can be of the rotor type.
- the present invention is characterised by the simultaneous straightening and bending of a large number of similar wires, on a large number of similar production lines, where similar products are produced.
- the machine of the present invention exhibits the following advantages : When, for example, the machine operates with three feeding lines, it has the same production capacity with three independent machines, operating at the same speed. The machine is much cheaper, due to common motors, mechanisms and controller. The machine occupies less space.
- the invention leads to the construction of a machine, which can maintain high production capacity, due to existence of more than one wire-feeding lines, even during operation at lower speeds.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR2002100266 | 2002-06-05 | ||
GR20020100266A GR1004318B (en) | 2002-06-05 | 2002-06-05 | Method and machine for simultaneous and parallel production of similar products, trough straightening and bending of wires, wire rods, metal tubes or other material of prismatic cross section. |
PCT/GR2003/000019 WO2003103874A1 (en) | 2002-06-05 | 2003-06-03 | Method and machine for simultaneous and parallel production of similar products, through straightening and bending of wires, wire rods, metal tubes or other material of prismatic cross section. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1509347A1 true EP1509347A1 (en) | 2005-03-02 |
EP1509347B1 EP1509347B1 (en) | 2017-05-03 |
Family
ID=29559883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03727741.5A Expired - Lifetime EP1509347B1 (en) | 2002-06-05 | 2003-06-03 | Method and machine for simultaneous and parallel production of similar products, through straightening and bending of wires, wire rods, metal tubes or other material of prismatic cross section. |
Country Status (5)
Country | Link |
---|---|
US (1) | US20050103080A1 (en) |
EP (1) | EP1509347B1 (en) |
AU (1) | AU2003232942A1 (en) |
GR (1) | GR1004318B (en) |
WO (1) | WO2003103874A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GR1005986B (en) * | 2006-10-03 | 2008-07-10 | Method and system for the production of three-dimensional products. | |
CN103752724B (en) * | 2013-11-11 | 2015-09-16 | 浙江博雷重型机床制造有限公司 | A kind of wire bending machine |
GR1008523B (en) | 2014-04-01 | 2015-07-09 | Αντωνιος Παναγιωτη Αναγνωστοπουλος | Method and system for feeding mesh-producing machinery with longitudinal wires or iron rods |
CN104162609B (en) * | 2014-08-25 | 2016-02-10 | 黄跃泽 | A kind of bar straightening crotch all-in-one |
CN104646567B (en) * | 2015-02-11 | 2016-09-07 | 黄跃泽 | A kind of bar straightening crotch adjustable integral machine and method |
ES2760553T3 (en) * | 2016-04-27 | 2020-05-14 | Advanced Orthodontic Solutions | Wire bending machine |
CN107537953A (en) * | 2017-08-25 | 2018-01-05 | 湖州德耀金属制品有限公司 | A kind of reinforcing bar panel beating self-feeding bender |
CN114472747B (en) * | 2022-01-14 | 2024-01-05 | 中建三局集团有限公司 | Intelligent bar stock and wire rod reinforcing steel bar bending method |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US813215A (en) * | 1904-04-29 | 1906-02-20 | Charles A Juengst | Stapling-machine. |
GB403558A (en) * | 1932-04-22 | 1933-12-28 | Demag Ag | Improvements in machines for straightening metal and like bars |
US3145757A (en) * | 1960-06-15 | 1964-08-25 | Simpson Electric Corp | Conduit bending machine |
US3922901A (en) * | 1973-11-29 | 1975-12-02 | Weldun Tool & Engineering Co | Apparatus for bending tubing |
US4716754A (en) * | 1986-04-21 | 1988-01-05 | Collier Metal Specialties, Inc. | Roll forming machine |
JPS62270236A (en) * | 1987-02-23 | 1987-11-24 | Kyushu Tetsusen Kogyo Kk | Bending machine for binding wire |
AT400934B (en) * | 1988-11-30 | 1996-04-25 | Evg Entwicklung Verwert Ges | METHOD AND SYSTEM FOR FEEDING LENGTH ELEMENTS FROM ROUND OR FLAT MATERIAL TO A CONTINUOUS WELDING MACHINE FOR GRIDS OR GRIDS |
GR1001322B (en) * | 1990-04-06 | 1993-08-31 | Panagiotis Anagnostopoulos | Mechanism for wire bending machines |
GB2247202B (en) * | 1990-07-26 | 1995-01-25 | Usui Kokusai Sangyo Kk | Method and apparatus for bending a small diameter metal tube |
JP2677957B2 (en) * | 1993-11-26 | 1997-11-17 | 東陽建設工機株式会社 | Rebar bending machine |
US5511402A (en) * | 1994-12-16 | 1996-04-30 | Kauffman; Kenneth A. | Optimizing controller |
JP3716949B2 (en) * | 1996-05-17 | 2005-11-16 | 臼井国際産業株式会社 | Multiple pipe bending machine |
DE19953284A1 (en) * | 1999-11-05 | 2001-05-10 | Kelz & Settele Sondermaschb | Stamping, bending and assembling machine, with modules which can be formed into linear chains |
US6354126B1 (en) * | 2000-04-25 | 2002-03-12 | Burr Oak Tool And Gauge Company | Tube straightener and drive therefor |
-
2002
- 2002-06-05 GR GR20020100266A patent/GR1004318B/en unknown
-
2003
- 2003-06-03 US US10/493,025 patent/US20050103080A1/en not_active Abandoned
- 2003-06-03 EP EP03727741.5A patent/EP1509347B1/en not_active Expired - Lifetime
- 2003-06-03 WO PCT/GR2003/000019 patent/WO2003103874A1/en not_active Application Discontinuation
- 2003-06-03 AU AU2003232942A patent/AU2003232942A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO03103874A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20050103080A1 (en) | 2005-05-19 |
AU2003232942A1 (en) | 2003-12-22 |
WO2003103874A1 (en) | 2003-12-18 |
GR1004318B (en) | 2003-08-28 |
EP1509347B1 (en) | 2017-05-03 |
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