EP3600712A1 - Drahtrichtanlage und verfahren zum ausrichten von drähten mittels der drahtrichtanlage - Google Patents
Drahtrichtanlage und verfahren zum ausrichten von drähten mittels der drahtrichtanlageInfo
- Publication number
- EP3600712A1 EP3600712A1 EP18719416.2A EP18719416A EP3600712A1 EP 3600712 A1 EP3600712 A1 EP 3600712A1 EP 18719416 A EP18719416 A EP 18719416A EP 3600712 A1 EP3600712 A1 EP 3600712A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- straightening
- wire
- tool
- drive motor
- torque
- 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
Links
- 238000000034 method Methods 0.000 title claims description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 230000008878 coupling Effects 0.000 claims description 49
- 238000010168 coupling process Methods 0.000 claims description 49
- 238000005859 coupling reaction Methods 0.000 claims description 49
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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
Definitions
- the invention relates to a wire straightening system for aligning wire, as well as a method for aligning wires with different wire diameters, using the wire straightening system.
- Wire straightening systems are used to produce straightened rod material from material sources with non-directional wires or rods, such as rolls of reinforcing steel wires.
- the wire is here processed by rotatable straightening tools, each comprising a straightening jaw or straightening rollers arranged obliquely to the wire.
- rotatable straightening tools each comprising a straightening jaw or straightening rollers arranged obliquely to the wire.
- a plurality of parallel straightening tools rotating about its axis are provided. Of the straightening tools only one is in operation, while the other straightening tools are in a rest position.
- a device for straightening and cutting of wire and rod-shaped material wherein a cutting tool is arranged downstream of a straightening tool. Furthermore, a pivotable magazine consisting of inlet guides, intermediate guides and end guides is provided, to which two pairs of push rollers are assigned. In addition, according to the number of inlet guides and the diameter of the material to be processed in a turret system straightening tools are arranged. The turret system is followed by a Switzerlandrollencru and a cutting device.
- the device known from EP 0 143 960 A2 has the disadvantage that a change between different wire diameters is complicated and causes long non-productive times.
- a wire straightening system which has a plurality of straightening tools.
- the straightening tools are rotatably arranged along tool axes parallel to one another in a horizontal plane.
- Each straightening tool is equipped with straightening roller arrangements which are arranged one behind the other along the tool axis and at an angle to the wire likewise running in the tool axis or has a straightening jaw arranged on each of the parallel tool axes and is each provided with one arranged in the tool axis gear and one of each resting on the same toothed belt by a drive motor.
- the straightening tools are arranged together with their respective toothed wheel and toothed belt as well as a roller arranged at the lower deflection point of the toothed belt on a carriage which can be moved transversely to the tool axes. By means of the carriage can be used in each case the straightening tool together
- Gear, timing belt and roller are driven to the drive means of a single, substantially stationary drive motor out, that the lower roller is close to this drive means and the timing belt can be coupled to the drive means.
- the known from the AT 517 095 Bl device has the disadvantage that a change between different wire diameters is complicated and causes long non-productive times.
- the object of the present invention was to overcome the disadvantages of the prior art and to provide an apparatus and a method by means of which it is possible to change between wires of different diameters in a simplified manner.
- a wire straightening system for aligning wire is formed.
- the wire straightener includes:
- a tool holder which is rotatably received about a central axis of rotation on the machine frame;
- each of the straightening tools at least one straightening element, in particular a straightening roller arrangement or straightening jaws, wherein the straightening tools at a distance from the central axis of rotation of the tool holder are arranged and adjustable by rotation of the tool holder about the central axis of rotation, the individual straightening tools between a rest position and a directional position;
- At least one drive motor for driving the straightening tools - At least one drive motor for driving the straightening tools; - Depending straightening a torque transfer unit which is designed for torque transmission between the drive motor with the respective straightening tool, characterized in that the tool holder is designed such that when adjusting the straightening tools between the rest position and the straightening position of the wire remains in the straightening tools.
- the wire straightening system according to the invention has the advantage that the wires do not have to be led out of the straightening tool for changing between two wires having different diameters, as is the case in the prior art.
- the time required to change the wire can be reduced; moreover, the susceptibility of the wire-straightening system to failure can be reduced since the wire does not have to be re-inserted into the tool holder every time the diameter changes.
- waste can be avoided by this measure, since the position of the wire is known and remains constant and not at each diameter change necessary by the renewed insertion of the wire initial cut must be performed.
- the wire straightening system according to the invention despite the advantages mentioned above, a compact design.
- the torque transmission units are mounted on the tool holder and are rotatable together with the respectively associated straightening tools about the central axis of rotation and that the drive motor is axially slidably received relative to the torque transmitting units on the machine frame and either by means of a detachable axial displacement torque clutch can be coupled with the individual torque transmission units, wherein a first coupling element of the torque coupling with the drive motor is torque-coupled and with each of the torque transmission units, a second coupling element of the torque coupling is torque-coupled.
- the advantage here is that by this measure for Turning the tool holder, the drive motor can be disengaged and thereby the tool holder is released. As a result, only one drive motor for aligning wires with different diameters is required.
- the drive motor or the torque transmission units can have a stable construction.
- the individual straightening tools are coupled to a parking brake.
- the advantage here is that the individual straightening tools can be braked against rotation by the parking brake. This allows the wire to be clamped in the individual straightening tools. This allows that the wire for rotating the tool holder does not have to be pulled out of the directional position to be removed from the straightening tool, but that the wire can remain in this.
- all straightening tools are arranged at an angle smaller than 180 ° with respect to the central axis of rotation on the tool holder.
- the tool holder is rotatable at an angle smaller than 180 ° with respect to the central axis of rotation.
- the tool holder has a first end element, in which first of the rotary bearings for supporting the tool holders are formed and a second end element, in which second of the Drehlagerun- gene for mounting the tool holders are formed, wherein the two end elements are coupled together by means of a connecting member and wherein in the connecting member is formed a recess through which a bearing support of the machine frame is guided, wherein on the bearing support of the machine frame, a main pivot bearing of Tool holder is arranged.
- the tool holder can be rotatably received on the machine frame.
- the drive motor is arranged to drive the straightening tools between the two end elements and is received axially displaceably on the bearing support of the machine frame.
- the advantage here is that by this measure the complete wire straightening system can have a slim and space-saving design.
- the torque transmission units each have a torque-coupled with the straightening tool first drive pulley and a torque coupling with the second coupling element of the torque coupling second drive pulley, wherein the first drive pulley and the second drive pulley by means of a traction means, in particular with at least one V-belt with each other are coupled.
- the advantage here is that such torque transmission units can be easily constructed and also have good strength and good power transmission.
- the drive pulleys are designed in the form of V-belt pulleys and a V-belt is used as traction means.
- the drive pulleys are designed in the form of sprockets and the traction means is formed by a chain.
- the drive pulleys are designed in the form of toothed belt pulleys and serves as a traction means a toothed belt.
- the two first drive disks of mutually adjacent torque transmission units are offset axially relative to one another at least by one drive disk width.
- two mutually adjacent drive disks can have a larger diameter without them colliding.
- the leadership of the traction means can be improved by this measure.
- the torque coupling is in the form of a dog clutch, wherein the first coupling element and the second Have coupling element for interlocking claws, which serve for torque transmission.
- the advantage here is that such a dog clutch is well suited for switchable coupling of the drive motor in the straightening system according to the invention.
- an angle centering is arranged on the two coupling elements, which serves to bring together the two coupling elements.
- the advantage here is that by this measure an angular misalignment between the two coupling elements during manufacture of the torque connection does not cause a component of the wire lighting system is damaged.
- the angle centering aid during the merging of the two coupling elements, the relative angle of rotation of the two coupling elements is adapted to one another, so that the individual claws of the coupling elements can engage in one another.
- a main drive motor is designed for the rotary drive of the tool holder, wherein the main drive motor is arranged outside the tool holder in the region of the first end element.
- the wire straightening system according to the invention is used.
- the method comprises the following method steps:
- the method according to the invention has the advantage that the wire accommodated in the individual straightening tools of the wire straightener remains clamped with a different diameter even when changing over to another straightening tool, thereby allowing an accelerated change between the individual wire diameters.
- the first straightening tool and the second straightening tool are clamped by means of the parking brake so that they can not rotate about their tool axis.
- the advantage here is that by this measure, the wire can be clamped in the individual straightening tools and thus fixed in position. If this measure would not be carried out, then the wire would twist the straightening tool due to its inner bias when coupling the drive motor and thereby be moved to an axially undefined position.
- the drive shaft of the drive motor prior to the axial displacement of the drive motor for producing the torque transmission between the drive motor and the straightening tool conveyed into the straightening position, the drive shaft of the drive motor enters a position from the last engagement with that into the Richtraum conveyed straightening tool, known angular position is adjusted.
- the two coupling elements can be rotated into an angular position relative to each other, in which the claws can mesh with one another.
- FIG. 1 shows an embodiment of a wire straightening system in a perspective view.
- Fig. 2 shows the embodiment of the wire straightening system in a further perspective
- Fig. 3 components of the wire straightening system
- FIG. 4 shows the drive train of a straightening tool located in its directional position of the wire straightening system.
- Fig. 5 is a detail view of a torque coupling for use in the wire straightening system
- Fig. 6 is a schematic sectional view through an embodiment of a tool holder of the wire straightening system.
- wire straightening system 1 shows a schematic representation of a wire straightening system 1 for aligning wires 2.
- wires 2 can be aligned with different diameters.
- the wires 2 fed to the wire straightener 1 are preferably provided on a wire unwinding device 3.
- the Wire spool 3 can accommodate different wire rolls with wires of different diameters.
- the wire straightening system 1 can be followed by a cutting device or further handling devices for further processing of the straightened wire.
- the directional wires 2 are preferably for the production of reinforcing elements, such as reinforcing mats.
- the wire straightener 1 has a machine frame 4, on which a tool holder 5 is arranged. The tool holder 5 is rotatably received on the machine frame 4 with respect to a central axis of rotation 6.
- a bearing support 7 may be formed, on which a main pivot bearing 8 of the tool holder 5 is arranged.
- the main pivot bearing 8 may be formed, for example in the form of two axially spaced bearing blocks.
- the tool holder 5 comprises a bearing shaft 9, which is rotatably received in the main pivot bearing 8 of the tool holder 5.
- the tool holder 5 serves to receive straightening tools 10, which serve to align the wire 2.
- the straightening tools 10 are received between a first end element 11 and a second end element 12 of the tool holder 5 and mounted in the two end elements 11, 12. It is provided that for each of the straightening tools 10 in the first end member 11 and the second end member 12 each have a pivot bearing 13 is formed. By the pivot bearing 13, the straightening tools 10 are each received about a tool axis 14 rotatably in the tool holder 5.
- In each of the straightening tools 10 at least one straightening element, in particular a straightening roller assembly 15 or straightening jaws is formed.
- At least two straightening roller arrangements 15 are formed per straightening tool 10, wherein the straightening rollers of the straightening roller arrangements 15 are relative to the tool axis 14 of the straightening tool 10 are tilted so that upon rotation of the straightening tool 10 about its tool axis 14, the individual rollers of the straightening roller assembly 15 not only align the wire material 2, but also serve as feed.
- the two end elements 11, 12 can be supported by the straightening tools 10 and the bearing shaft 9.
- a connecting component 16 is formed, which is arranged between the two end elements 11, 12.
- the connecting member 16 may serve for additional stiffening of the tool holder 5.
- the connecting component 16 has a basic shape in the form of a hollow cylinder.
- This can be realized, for example, by a sheet-metal component which, as can be seen from FIG. 1, is bent into a polygonal hollow cylinder.
- the sheet metal component is rolled, for example, and thus a hollow cylinder is formed with a circular cross-section.
- a recess 17 is formed, which serves for the implementation of the bearing support 7 of the machine frame 4.
- connection component 16 in the form of a hollow cylinder, it would also be conceivable for the connection component 16 to be realized by a plurality of individual rods, which are connected to the first end element 11 and to the second end element 12.
- a torque transmission unit 18 is provided, by means of which the straightening tool 10 located in a straightening position can be torque-coupled to the drive motor 19.
- each of the straightening tools 10 has its own torque transmission unit 18 which can be coupled to the drive motor 19.
- two or more drive motors 19 are provided, which can be coupled simultaneously with a respective straightening tool 10.
- two or more straightening tools 10 can be in use at the same time.
- two drive motors 19 are provided, which have a different rotational speed on the drive shaft.
- straightening tools 10 with a smaller diameter can be driven by the first drive.
- Straightening tools 10 with a larger diameter can be driven by the second drive.
- both drives can be coupled with the respective straightening tools 10.
- the drive motor 19 is displaceable in the axial direction relative to the torque transmission unit 18 and that a torque coupling 20 is formed by means of which the torque-transmitting connection between the drive motor 19 and the torque transmission unit 18 can be released as required by axial displacement of the drive motor 19.
- a main drive motor 22 may be arranged on the machine frame 4, which motor serves for the rotational drive of the tool holder 5.
- the main drive motor 22 may be arranged in the region of the first end element 11 of the tool holder 5.
- the main drive motor 22 is coupled by means of a toothed belt 23 with the tool holder 5.
- the drive motor 19 is displaced in the axial direction and the torque-transmitting connection between the drive motor 19 and the torque transmission unit 18 is released in the region of the torque clutch 20.
- the tool holder 5 can be rotated with respect to its central axis of rotation 6 to the last used straightening tool 10 from the straightening position in a To promote rest position and at the same time to convey another straightening tool 10 with another recorded therein wire 2 from the rest position in the directional position.
- the drive motor 19 is again moved axially forward, so that the torque coupling 20 again forms a torque connection between the drive motor 19 and the torque transmission unit 18.
- FIG. 2 shows the wire-straightening system 1 in a further perspective view, the back side of the wire-straightening system 1 being considered in comparison to FIG. 1.
- the same reference numerals or component designations as in the preceding Fig. 1 are used. To avoid unnecessary repetition, reference is made to the detailed description in the preceding FIG.
- a further bearing support 25 of the machine frame 4 is formed, on which a further main pivot bearing 26 is formed, which serves to guide the bearing shaft 9.
- two second end elements 12 are formed, which are arranged at a distance from each other.
- the torque transmission unit 18 has a first drive pulley 27 and a second drive pulley 28, which are coupled together by a traction means 29.
- the first drive pulley 27 and the second drive pulley 28 are formed in the form of a V-belt pulley and as a traction means 29, a V-belt is used.
- the two first drive disks 27 are offset from each other by at least the drive disk width 30 from mutually adjacent straightening tools 30.
- every second torque transmission unit 18 is associated with that second end element 12 which is closer to the straightening tools 10.
- the remaining torque transmission units 18 are associated with that second end element 12, which is further away from the straightening tools 10.
- every second torque transmission unit can be arranged in a first plane 31 and the remaining torque transmission units 18 can be arranged in a second plane 32.
- clamping elements 33 are formed, which serve for tensioning the traction means 29.
- a parking brake 34 may be formed, through which the straightening tools 10 can be clamped in its angular position.
- the parking brake 34 can basically be arranged at any desired location in the drive str Lucas a straightening tool 10 or on the straightening tool 10 directly.
- the parking brake 34 is designed for example in the form of a disc brake.
- the parking brake 34 may be in the form of a drum brake or in any other form.
- FIGS. 3 and 4 individual components of the wire-straightening system 1 are hidden, as a result of which the internal components and thus the functionality of the wire-straightening system 1 become apparent.
- the same reference numerals and component names are used as in the previous figures 1 and 2 for the same parts.
- a second coupling element 36 of a torque coupling 20 is coupled to each torque transmission unit 18.
- the individual parts of the torque coupling 20 are particularly well visible in Fig. 5.
- FIG. 4 shows the connection between the straightening tool 10, which is currently in its directional position, and the drive motor 19.
- a control cylinder 42 may be provided, which serves for the displacement of the drive motor 19 in the axial direction.
- the adjusting cylinder 42 may be formed, for example in the form of a pneumatic cylinder.
- Fig. 5 the torque coupling 20 is shown in an exploded view.
- the torque coupling 20 has a first coupling element 35 which is coupled to the drive motor 19 and a second coupling element 36 which is coupled to the torque transmission unit 18.
- the two coupling elements 35, 36 are formed in the form of a dog clutch.
- a damping element 37 is provided, which is arranged between the two coupling elements 35, 36, in particular between the jaws and thus serves for damping the torque transmission.
- an angle centering aid 38 to be arranged on the two coupling elements 35, 36, by means of which the telescoping of the two coupling elements 35, 36 can be facilitated.
- the Winkelzentrier Vietnamese 38 may have a first centering aid 39 and a second centering aid 40, which also engage with each other.
- the two centering aids 39, 40 may in this case have centering teeth 41, which are tapered towards the front and thereby allow angular centering.
- the straightening tools 10 are at a distance 43 to the central
- Rotary axis 6 arranged.
- all of the straightening tools 10 have the same distance 43 to the central longitudinal axis 6. It is also planned that all straightening tools 10 are arranged within an angle 44 in the tool holder 5, so that upon rotation of the tool holder 5, the individual straightening tools 10 do not collide with the bearing support 7 of the machine frame 4. Furthermore, it can also be provided that the connecting component 16 is arranged in a similar angular range 44 as the straightening tools 10.
- Tool axis straightening tool 43 Distance straightening tool - central
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50217/2017A AT519813A1 (de) | 2017-03-20 | 2017-03-20 | Drahtrichtanlage und Verfahren zum Ausrichten von Drähten mittels der Drahtrichtanlage |
PCT/AT2018/060068 WO2018170525A1 (de) | 2017-03-20 | 2018-03-16 | Drahtrichtanlage und verfahren zum ausrichten von drähten mittels der drahtrichtanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3600712A1 true EP3600712A1 (de) | 2020-02-05 |
Family
ID=62044433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18719416.2A Pending EP3600712A1 (de) | 2017-03-20 | 2018-03-16 | Drahtrichtanlage und verfahren zum ausrichten von drähten mittels der drahtrichtanlage |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3600712A1 (de) |
AT (1) | AT519813A1 (de) |
WO (1) | WO2018170525A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2733407A1 (de) * | 1977-07-23 | 1979-02-01 | Krupp Gmbh | Richtmaschine fuer betonstahl |
DE3338915A1 (de) * | 1983-10-27 | 1985-05-09 | Mecapec S.A., Schmerikon | Vorrichtung zum richten und ablaengen von draht- oder stabfoermigem material |
DE19709733C2 (de) * | 1997-03-10 | 2000-04-13 | Theis Klaus | Vorrichtung zum rotierenden Richten von Draht |
CN103128197B (zh) * | 2013-03-21 | 2015-06-17 | 建科机械(天津)股份有限公司 | 钢筋调直机的多规格移动调直机构 |
AT517095B1 (de) * | 2015-04-28 | 2016-11-15 | Evg Entwicklungs- U Verwertungs-Gesellschaft M B H | Draht-Richtanlage |
-
2017
- 2017-03-20 AT ATA50217/2017A patent/AT519813A1/de not_active Application Discontinuation
-
2018
- 2018-03-16 WO PCT/AT2018/060068 patent/WO2018170525A1/de unknown
- 2018-03-16 EP EP18719416.2A patent/EP3600712A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2018170525A1 (de) | 2018-09-27 |
AT519813A1 (de) | 2018-10-15 |
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