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
  • B21F1/02—Straightening
• • 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
  • B21D3/005—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 eccentric turning members
• • 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
  • B21F1/02—Straightening
  • B21F1/023—Straightening in a device rotating about the wire axis
• • 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
  • B21F1/02—Straightening
  • B21F1/026—Straightening and cutting
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21F—WORKING OR PROCESSING OF METAL WIRE
  • B21F23/00—Feeding wire in wire-working machines or apparatus

Definitions

• the invention relates to a straightening machine for wire, rod or strip-shaped straightening made of steel, comprising a machine frame and a plurality, preferably six or eight, arranged on the machine frame straightening devices for straightening the Richtguts, wherein at least two of the straightening devices structurally differ from each other to Richtgüter with different Richtguteigenschaften, preferably different thicknesses, straighten, and wherein per straightening device, a feeding device is provided, via which a straightening straightening material to be fed to the straightening device.
• Such straightening machines are known, for example, from the field of reinforced concrete construction and are used here to straighten steel coils unwound from reels for further processing into reinforcing elements.
• Straightening machines with more than one straightener pursue the purpose of allowing the processing of wire-shaped straightening with different wire diameters, which can be changed quickly and easily between the wire diameters by providing a plurality of straightening devices back and forth. So far, it has been limited to a wire diameter range of 6 to 16 mm.
• the objective technical object of the present invention is therefore to provide a straightening machine according to the preamble of claim 1, which avoids the disadvantages of the prior art mentioned and allows a higher flexibility in manufacturing with simultaneous compactness of the straightening machine.
• At least one feed device comprises a straightening device, with which at least one further straightening material to be straightened can be fed to the straightening device.
• the at least two straightening devices which are designed to straighten straightening goods with different straightening properties, preferably different thicknesses, are constructive in their dimensions, and / or in their construction, and / or in the design of their directional nozzles differ from each other.
• a straightening device for processing thin straightening has side plates made of aluminum, whereas this is not sufficient for a straightening device for processing thicker straightening for stability reasons.
• the flexibility of the straightening machine can be further increased by the fact that at least one straightening device is designed to direct straightening goods with different Richtguteigenschaften, preferably different thicknesses, wherein in a change from a first straightening with first properties on a second straightening with second, deviating therefrom Characteristics, an adaptation of at least one straightening device on the deviating properties is vorseidbar.
• an adaptation of the at least one straightening device takes place in a limited area compared to the prior art, for example in a wire diameter range of +/- 1 mm.
• straightening properties are understood to mean not only properties which relate to the external geometry of the straightening material, but also physical and / or chemical properties which have a direct influence on the steel quality.
• the straightening devices used in the straightening device are designed as rotor straightening devices.
• Such rotor straightening devices are disclosed, for example, in European patent application EP 0800876 A2, the disclosure content of this patent application being explicitly to be included in the disclosure content of the present application.
• At least one straightening device is adapted to direct straightening goods with different Richtguteigenschaften, preferably different thicknesses, wherein when changing from a first straightening with first properties on a second straightening with second, different properties, an adaptation of at least a straightening device can be adapted to the deviating properties, and that this at least one straightening device is a rotor straightening device, the adaptation of the at least one straightening device to the deviating properties can be fully automatic by the adjusting unit of the rotor straightening device.
• the leveler has at least one separating device, preferably cutting device, for separating the straightened Richtguts with a certain length and at least one feed device for transporting the Richtguts in a feed direction, wherein the at least one separating device and the at least one feed device define a production line, and / or the straightening devices are arranged between the at least one separating device and the at least one advancing device, and / or the at least one advancing device comprises at least one pair of rollers comprising a drivable roller and a cooperating counter-roller, wherein the at least one drivable roller is relative to the counter-roller at least one feed position with a first distance to the counter-roller and a change position can take a second, greater distance to the counter-roller, wherein in the feed Richtrichtgut, which is arranged between the drivable roller and the counter-roller, is conveyed in the feed direction and in the change position another straightening in the at least one feed device
• the machine frame is designed such that the straightening machine in a transport container, preferably with a width of 2350 mm and a Height of 2600 mm, can be arranged, and / or that the straightening devices in the use position of the Straightening machine substantially on a line, which preferably includes an angle of about 45 ° to the ground, are arranged.
• Fig. 1 shows a first preferred embodiment of the invention
• Fig. 2 shows a second preferred embodiment of
• 3a shows a section of the cross section of the straightening machine according to the first embodiment along the production line
• Fig. 3b is a plan view of the two lower drivable rollers of
• Feed device including
• FIGS. 6 a and 6 b a third preferred embodiment of the invention
• FIG. 6a shows a straightening machine 1 for wire-shaped straightening material 2, 2 ', 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7, 7', with a total of 6 straightening devices 8, 9, 10, 11 , 12 and 13 are provided. These straightening devices 8, 9, 10, 11, 12 and 13 are designed as rotor straightening devices.
• the straightening devices 8, 9, 10, 11, 12 and 13 are arranged on a common carrier 17. Each straightening device 8, 9, 10, 11, 12 and 13 are each assigned a feed device 14, 15, via which straightening goods 2, 2 ', 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7, 7' of the respective straightening device can be fed.
• the feed devices 14, 15 each comprise a Richtgut flickutter 14, 15, with which in each case another to be straightened Richtgut 2 ', 3', 4 ', 5', 6 'and 7' of the associated straightening devices 8, 9, 10, 1 1, 12 and 13 can be fed. Details of these Richtgut pleaggioplastyen 14 and 15 will be explained with reference to Figures 3a and 3b and 4a and 4b.
• the feeders 14, 15 are also arranged on the carrier 17.
• the straightening device 8 is designed to direct a straightened material 2 and 2 'with a specific thickness 25. As soon as the straightening material 2 is completely unwound from the corresponding reel 36, a straightening material 2 'with the same thickness 25 can be fed directly to the straightening device 8 without the production process having to be interrupted for a longer time. During processing of the Richtguts 2 'or one of the other straightening goods 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7, 7' can be replaced during operation, the used reel 36 Richtgut 2. Compared to the straightening device 8, the straightening device 13 is provided to direct a straightened 7 and 7 'with a different thickness 26.
• the straightening device 1 1 is intended to direct straightening goods 5, 5 'with different thicknesses 27 and 28, wherein in a change of the straightening material 5 with a first thickness 27 on the straightening 5' with a second deviating thickness 28 an adaptation of the Straightening device 1 1 to the different thickness 28 is vorappelbar.
• the thicknesses 25, 26, 27 and 28 are exemplary of different Richtguteigenticianen.
• the straightening machine 1 in the embodiment shown in FIG. 1 further comprises a separating device 18 in the form of a cutting device for separating a straightened straightening material 2, 2 ', 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7 '7' with a certain length 19 and a feed device 20, 21 for transporting the Richtguts 2, 2 ', 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7, 7' in a feed device 22, wherein the separating device 18 and the feed device 20, 21 define a production line 23.
• the advancing device 20, 21 in the state shown of the leveler 1 transports the straightened with the reference numeral 4 from the unwinding 16 to the straightening device 10, through this straightening device 10 and to the separator 18.
• the straightening device 4 'stored in the straightening device 14, 15 of this straightening device 10 is to be fed to the straightening device 10, then the straightening device 14, 15 becomes active as described below.
• one of the straightening goods 2, 3, 5, 6, and 7 of the production line 23 are supplied, namely by the carrier 17, on which the straightening devices 8, 9, 10, 1 1, 12 and 13 and the associated feed devices 14th , 15 are arranged relative to the separating device 18 and the feed device 20, 21 is adjusted.
• the adjustment is carried out substantially transversely to the feed direction 22. This direction is indicated in the figure 2 by the reference numeral 37.
• one of the other straightening devices 8, 9, 11, 12 or 13 is active instead of the straightening device 10.
• On the respective Richtgut arvornchtung 14, 15 can then also a change between the Richtgütern 2 and 2 ', 3 and 3', 5 and 5 ', 6 and 6' or 7 and 7 'are made.
• FIG. 2 shows a straightening machine 38 according to a second preferred embodiment.
• the construction is essentially the same as in the straightening machine 1 according to FIG. 1.
• a fundamental difference, however, is that instead of a single production line 23 now two production lines 23 are provided.
• the common carrier 17 occupies a position relative to the two production lines 23 in the state shown in which the straightening material 3 or 6 directed by the straightening devices 9 and 12 is fed to the production lines 23.
• the provision of several production lines 23 has the advantage that can be addressed in parallel operation, which in the same time with two production lines 23 the double, in three production lines 23 the triple output etc. allows.
• the feed device 20, 21 comprises two pairs of rollers 20 and 21, each composed of a drivable roller 29 and a counter-roller 30 cooperating therewith.
• a Richtgut 4 which is located between the two rollers, in the feed direction 22, that is in the direction of the straightening device 10 and therethrough in the direction of the separating device 18 (see Figure 1) to transport.
• the drivable rollers 29 are driven by an electric motor 42 (see FIG. 3b).
• the peripheral sides of the drivable rollers 29 have a corrugation in order to increase the friction with the to-be-driven 4 to be driven.
• the counter-rollers 30 are not actively driven themselves. Rather, they are non-positively applied to the straightening material 4 and rotate automatically by the movement of the Richtguts 4 in the feed direction 22 in opposite directions.
• the Richtgut pleat 14, 15 may be formed such that it has a guide device 14 and a releasable clamping device 15.
• the guide device 14 and the releasable clamping device 15 are each constructed in two parts, wherein a first part 43 and 45 of the guide device 14 of the guide of the Richtguts 4 and a second part 44 and 46 of the guide device 14 of the guide of the interchangeable Richtguts 4 'serve.
• the releasable clamping device is divided into two parts, wherein a first part 47 interacts with the straightening 4 and a second part 48 with the straightening 4 '.
• the components 43 and 45 of the first part of the guide device 14 and the components 44 and 46 of the second part of the guide device 14 are respectively disposed adjacent and opposite each other relative to the drivable roller 29 of the roller pair 21.
• the two parts 47 and 48 of the detachable clamping device 15 can assume two states, namely a state in which the straightening material 4 or 4 'is held by the releasable clamping device 15, and a state in which the straightening material 4 or 4' is held. can move freely through the detachable clamping device 15.
• Figures 4a and 4b show schematically one of the pairs of rollers formed from the driven roller 29 and the cooperating counter-roller 30 and that in the figure 4a in the feed position 31 and in Figure 4b in the change position 33rd
• the drivable roller 29 assumes a first distance 32 relative to the counter roller 30, which corresponds essentially to the thickness of the straightening material 4 arranged between the rollers 29 and 30.
• the rollers 29 and 30 are non-positively or frictionally on the straightening 4 and can thus promote it by an opposite rotational movement.
• the drivable roller 29 takes a second, larger distance 34 to the counter-roller 30 a.
• a first in the production line 23 located Richtgut 2, 2 ', 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7, T as follows by a second Richtgut 2, 2', 3, 3 ', 4, 4', 5, 5 ', 6, 6', 7, 7 'are replaced:
• the roller pairs of the feed device 20, 21 are in the feed position 31.
• the releasable clamping device 15 is open.
• the detachable clamping device 15 closes and is moved together with the guide device 14 substantially transversely to the feed direction 22 and so far until the adjacent arranged Richtgut 2, 2 ', 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7, 7' between the roller pairs of the feed device 20, 21 is located.
• the substitute straightening material 2, 2 ', 3', 3 ', 4, 4', 5, 5 ', 6, 6', 7, 7 ' is a straightening material with different straightening properties 25, 26, 27, 28 if necessary, at the same time an adaptation of the straightening device 8, 9, 10, 1 1, 12, 13 made on the deviating Richtguteigenschaften 25, 26, 27, 28.
• the direction in which the guide device 14 and the releasable clamping device 15 can be adjusted in the course of the change process, in the figures 1, 2 and 3b is provided with the reference numeral 35.
• This direction is substantially parallel to the adjustment direction 37 of the common carrier 17 in the course of a change between the straightening devices 8, 9, 10, 1 1, 12, 13, which in an analogous manner to a change between straightened goods 2, 2 ', 3, 3rd ', 4, 4', 5, 5 ', 6, 6', 7, 7 ', with which a single straightening device 8, 9, 10, 1 1, 12, 13 can be supplied, takes place.
• FIG. 5a again shows the straightening machine 1 according to the first preferred embodiment (see FIG. 1).
• FIG. 5b shows this straightening machine 1 in a cross-sectional view, the straightening machine 1 additionally being arranged in a transport container 54.
• the transport container 54 has a width 41 of 2350 mm and a height 55 of 2600 mm.
• the machine frame 51 of the leveler 1 is adjusted, so that the leveler 1 in the transport container 54 can be arranged.
• the straightening devices 8, 9, 10, 11, 12 and 13 are arranged on a line 58 (dashed line). This includes an angle 40 to the substrate 56 of about 45 °.
• the six straightening devices 8, 9 10, 1 1, 12 and 13 are arranged on a common carrier 17. This can, to the by a particular straightening device 8, 9 10, 1 1, 12 and 13 straightened Richtgut 2, 2 ', 3, 3', 4, 4 ', 5, 5', 6, 6 ', 7, 7 'of the production line 23 to be adjusted in a direction 37 transversely to the feed direction 22.
• FIG. 6 a shows a straightening machine 49 according to a third preferred embodiment.
• the straightening machine 49 comprises eight straightening devices 8, 9 10, 1 1, 12, 13, 52 and 53. These are arranged on a common carrier 17 and can be supplied via an adjustment of the carrier 17 two production lines 23.
• FIG. 6b shows the leveler 49 in an arrangement in a transport container 54 in a cross-sectional view.
• FIG. 7 a shows a straightening machine 50 according to a fourth preferred embodiment.
• the straightening machine 50 comprises eight straightening devices 8, 9, 10, 11, 12, 13, 52 and 53. These straighteners are connected to the machine frame 51 in comparison with the other exemplary embodiments. There is no need for adjustability, since all straightening devices 8, 9, 10, 11, 12, 13, 52 and 53 are already arranged on a production line 23.
• FIG. 7b shows the straightening machine 50 in an arrangement in a transport container 54 in a cross-sectional view.

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Citations (5)

• 2016
  • 2016-05-27 AT ATA50481/2016A patent/AT518731B1/de active
• 2017
  • 2017-05-08 WO PCT/EP2017/060909 patent/WO2017202591A1/de unknown
  • 2017-05-08 DK DK17721712.2T patent/DK3463710T3/da active
  • 2017-05-08 ES ES17721712T patent/ES2763276T3/es active Active
  • 2017-05-08 EP EP17721712.2A patent/EP3463710B1/de active Active

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