WO2022002481A1 - Vorrichtung zur herstellung einer metallgitter-bewehrung und maschine - Google Patents
Vorrichtung zur herstellung einer metallgitter-bewehrung und maschine Download PDFInfo
- Publication number
- WO2022002481A1 WO2022002481A1 PCT/EP2021/063365 EP2021063365W WO2022002481A1 WO 2022002481 A1 WO2022002481 A1 WO 2022002481A1 EP 2021063365 W EP2021063365 W EP 2021063365W WO 2022002481 A1 WO2022002481 A1 WO 2022002481A1
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- WO
- WIPO (PCT)
- Prior art keywords
- winding profile
- profile
- winding
- positioning
- contact
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
- B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
- B21F27/122—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by attaching a continuous stirrup to longitudinal wires
- B21F27/124—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by attaching a continuous stirrup to longitudinal wires applied by rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/08—Making wire network, i.e. wire nets with additional connecting elements or material at crossings
- B21F27/10—Making wire network, i.e. wire nets with additional connecting elements or material at crossings with soldered or welded crossings
Definitions
- Such machines have a device with a welding unit for welding a longitudinal profile with a wound profile at a connection point of the two metal profiles.
- the welding unit can be brought into a respective working position in relation to a main wheel of the machine.
- winding profile guide which forwards the winding profile, which is fed from a template such as a so-called coil to the winding profile guide, to the welding unit.
- These machines are designed, for example, as cage welding machines, which are used to produce steel or metal mesh reinforcements such as, in particular, reinforcement cages for manhole or concrete pipes, piles, supports or beams made of concrete.
- the object of the present invention is to improve the known machines for the production of metal mesh reinforcements from metal profiles economically and technically, in particular with regard to the points mentioned above, such as the setting of the welding unit and the variable processing of different winding profiles.
- the invention is based on a device for the production of a metal mesh reinforcement from several metal profiles comprising several longitudinal profiles and a winding profile, the device having a welding unit for welding a longitudinal profile to a winding profile at a connection point of the two metal profiles and a winding profile guide , which guides the winding profile that can be brought up from a template of the winding profile to the winding profile guide to the welding unit.
- the device is preferably present as part of a machine for producing a metal mesh reinforcement such as a cage welding machine.
- the essence of the invention lies in the fact that the winding profile guide has a contact side and a positioning side, the contact side and the positioning side being movable relative to one another, and the contact side and the positioning side being coordinated with one another in such a way that an existing one is brought up between the contact side and the positioning side
- the winding profile is forced into a centered position when the positioning side and the contact side are moved towards one another, the positioning side having a recess which is matched to the winding profile and into which a longitudinal section of a centered winding profile is immersed.
- the positioning side and the contact side are opposite one another.
- the wound profile brought up is present in a positioning area between the positioning side and the contact side.
- One long side of the winding profile is directed towards the contact side and the other long side of the winding profile is directed towards the positioning side.
- the free front end of the winding profile in the direction of movement of the winding profile is directed in the direction of the welding point or welding unit.
- the positioning side and the contact side are moved away from each other or leave enough space in a positioning area so that the winding profile coming from the template has enough space to thread between the positioning side and the contact side on an inlet side of the winding profile guide. Subsequently, due to the continuous conveying movement of the winding profile in the direction of the welding unit, a section of the winding profile is caught between the positioning side and the contact side. Then the positioning side and the contact side move relative to one another or towards one another. The exact positioning or centering of the winding profile in relation to the welding point takes place due to the relative movement of the positioning side and the contact side.
- the welding point is preferably in alignment with or in a straight extension of the central longitudinal axis of the centered winding profile.
- the winding profile for example a winding wire of a few millimeters in diameter
- the winding profile has the tendency if there is no guide even over a short length, e.g. B. after leaving the winding profile guide, in the direction of the weld on the longitudinal profile, deviate from the centered position or alignment again.
- This tendency increases as the distance between the end of the winding profile moving away from the winding profile guide increases.
- the greater the distance between an outlet side of the winding profile guide and the welding point the greater the possible deviation of the winding profile that is centered in the winding profile guide from the ideal position with respect to the welding point. It is therefore advantageous that the Wrap profile guide or the outlet side of the
- the winding profile guide on which the centered winding profile leaves the winding profile guide, is as close as possible or preferably in the immediate vicinity of the welding point where the winding profile is welded to the longitudinal profile.
- the distance between the outlet side of the winding profile guide and the welding point is preferably minimal or, for example, in the millimeter range.
- the contact side can preferably be moved slightly reversibly towards the welding unit.
- the centered winding profile preferably reaches the welding point or the associated point of the longitudinal profile or on the longitudinal profile immediately, for example after a millimeter or after a few millimeters.
- the winding profile reaches the point in an exactly aligned and / or precisely positioned position at which an electrode of the welding unit welds the winding profile to the longitudinal profile.
- the electrode for welding which is also referred to synonymously below as the welding electrode, is preferably designed as a welding roller.
- a contact electrode which is preferably designed as a contact roller.
- the terms contact electrode and contact roller as well as the terms welding electrode and welding roller are used synonymously.
- the relative movement between the contact side and the positioning side is preferably set up in such a way that at least a section of the positioning side or the contact side can be moved in a direction towards the contact side or positioning side and back.
- the relative movement relates to a movement through which an intermediate area between the depression and the contact side or the distance between them becomes smaller and larger.
- the contact side is, for example, fixed or movable.
- the positioning side is preferably movable.
- the contact side is preferably stationary during centering and then reversibly movable in one direction with the winding profile centered, preferably in the direction of movement or longitudinal direction of the winding profile, in order to guide the centered winding profile supported on the contact side to the welding point.
- the recess is preferably matched to the size and / or the shape of the winding profile.
- the recess has a maximum width, e.g. B. is equal to or slightly less than an outer dimension or outer diameter of the winding profile.
- the centered winding profile is preferably received within the recess over its entire partial length, which is present within the winding profile guide, and projects, for example, somewhat in the direction of the contact side.
- the recess is preferably elongated and straight.
- a recess can also be provided on the contact side, preferably matched to the recess on the positioning side, e.g. B. mirrored or opposite and / or similar or different to the recess on the positioning side.
- the welding unit has a spring-mounted electrode
- the welding unit in front of a Manufacturing process of a metal mesh reinforcement can be brought into a predeterminable working position in an automated manner.
- Bringing into the working position means in particular that the entire welding unit together with the electrode or with the welding and contact electrode is brought into a corresponding position, relative to the remaining parts of the device or when on a machine equipped with the device such.
- the welding unit preferably a so-called welding carriage, is advantageously generally movably supported.
- the welding electrode or the welding roller is also adjustable relative to a contact electrode or to a contact roller of the welding unit radially back and forth to a central longitudinal axis, in particular of the machine. The adjustment takes place radially on the central longitudinal axis of the
- the respective working positions differ, for example, in their radial distance from an axis of rotation of the main drivable wheel of the machine, so that the welding unit is set to a z. B. outer diameter of the metal mesh reinforcement to be produced is adjustable.
- the electrode With the welding unit, the electrode is also brought into a working position. In the electrode working position with the longitudinal profiles present on the main wheel and the supplied winding profile present, the electrode or the welding electrode rests on the winding profile to be welded in the area of its contact with the longitudinal profile.
- the resilient mounting preferably comprises a spring element, so that it contacts the electrode with a pressure force that can preferably be predetermined. This always happens in short time windows or in comparatively short moments with the main wheel rotating, whenever a longitudinal profile arrives at the welding electrode.
- a section of the winding profile arriving in a centered manner from the winding profile guide lies between the longitudinal profile and the welding electrode, so that the welding takes place due to the flowing current by means of the galvanically conductive contact electrode.
- the contact electrode is preferably in contact with an electrically conductive section of the machine, which in turn is in conductive contact with a section of the relevant longitudinal profile offset from the welding point. The welding current flows along the contact electrode, the longitudinal profile, the winding profile and the welding electrode.
- the pressing contact of the electrode is advantageously evasive or resettable, preferably resilient.
- the electrode when a machine is in operation with the main wheel rotating, it is possible for the electrode to yield resiliently, preferably outward in the radial direction to the axis of rotation of the main wheel and then to be reset automatically.
- the electrode advantageously remains permanently or always in touching or pressing contact with the winding profile. It is not critical if there are slight movements or offsets of the winding profile in the radial direction.
- control unit of the device and / or the machine for operating the device or the machine. the machine.
- control unit is preferably used to automatically set the working state or working position of the welding unit.
- the electrode comprises in particular a positive and a negative electrical pole, which can be galvanically contacted with electrically conductive sections, e.g. B. a contact electrode or z. B. preferably a contact roller from preferably one Copper material and a welding electrode or e.g. B. a welding roll.
- the respective electrode can be brought into electrically conductive contact with the associated metal profile or a section connected to it in an electrically conductive manner. Both electrodes are preferably mounted so that they can be deflected in a resilient manner.
- a cylinder-piston unit with a cylinder and a piston is provided for the resilient mounting of the electrode, the electrode being coupled to the piston displaceable in the cylinder, with the electrode on after a contact position associated with the working position has been reached a counter-stop, a pressure effect of the electrode on the counter-stop can be set by a predeterminable relative movement of the piston and the cylinder.
- the electrode is regularly connected to the piston z. B. can be rigidly coupled.
- a pneumatic or an air spring according to a pneumatic cylinder-piston unit is preferably present. This is a standard product that is advantageously available in the market in many different types.
- the resilient mounting advantageously relates to the welding electrode and / or the contact electrode.
- the counter-stop which can be selected or positioned variably in accordance with or as a function of the respective work position, can be formed at any point in the work area or along an adjustment path of the welding unit.
- the stop for the contact electrode is a section of the longitudinal profile or a component section of a machine on which the device is present or of which the device is part, or a section of the winding profile for the welding electrode.
- the welding unit or the electrode can be turned on.
- the pressing force of the electrode is adjustable depending on the relative stroke.
- the relative stroke can, for example, be a specifiable stroke of the cylinder relative to the piston.
- the setting can be done automatically by specifying a target value "X" for the relative stroke, for example in millimeters.
- the cylinder-piston unit comprises in particular a pneumatic arrangement or pneumatic cylinder-piston unit with a pneumatic cylinder and a pneumatic piston for adapting the level of a pressing effect or pressing force of the electrode or the welding electrode on the metal profile.
- a sensor arrangement is provided, for example. B. with a displacement sensor to detect the relative stroke of the cylinder relative to the piston or the retraction stroke and to provide the information and transfer it to the control unit.
- a positioning area is formed between the contact side and the positioning side in such a way that a winding profile that is brought up to the device can be received in the positioning area.
- the positioning area is, for example, a material-free air gap or gap area.
- the gap area is formed by the, in particular, variable distance between the contact side and the positioning side with the recess.
- the positioning area is preferably designed in such a way that all possible external dimensions of the different winding profiles that can be used can be carried out through the positioning area and centered therein. The centering of the winding profile takes place in the positioning area.
- the positioning side is advantageously movably supported. In this way, the winding profile can be centered with the recess on the positioning side, which can be moved towards the contact side or the winding profile present in the positioning area.
- the positioning side is preferably pivotably mounted, preferably pivotable about a pivot axis, in particular transversely to the direction of movement of the winding profile through the winding profile guide which can be predetermined by the winding profile guide.
- the distance or the width of the positioning area or the intermediate area between the positioning side and the contact side can be changed.
- An advantageous embodiment of the invention is characterized in that the contact side can be brought into contact with a first longitudinal side of the existing wound profile brought up and that the positioning side can be brought into contact with a second long side of the existing wound profile brought up.
- the positioning side with the recess acts essentially in a centering manner on the winding profile in that the longitudinal section of the winding profile dips into the relevant recess with the corresponding second longitudinal side.
- the contact side can be reversibly moved back and forth in the longitudinal direction of a winding profile present in the positioning area.
- the movement of the winding profile is supported by the winding profile guide in the direction of the welding unit over the corresponding comparatively short distance.
- the contact side takes the winding profile with it in the direction of the welding unit, in particular due to friction.
- the direction of movement of the contact side is preferably transverse to the direction of movement of the positioning side. Conversely, this means that z. B. the pivoting movement of the positioning side is directed essentially transversely to the longitudinal direction of the winding profile.
- the longitudinal section of the winding profile centered between the contact side and the positioning side is moved in the direction of the welding unit or the electrode without relevant forces or moments acting on the winding profile due to the movement of the contact side, which would force the winding profile away from the centered position.
- the centered winding profile moved in the longitudinal direction remains in its centered alignment and at the same time is supported in this alignment when it moves in the direction of the welding unit.
- the contact side is preferably slidable, for. B. linearly back and forth.
- a guide link such as a link guide with a protruding guide element such. B. a pen that is in a guideway such. B. a slot guide is limited movable.
- the contact side preferably has a narrow sliding strip with a contact surface for contacting the centered winding profile. B. angled surface of the sliding strip an outwardly protruding pin or several pins are present, which engage in a matching elongated hole, which limits the movement on both sides and are formed in a housing section surrounding the contact side.
- the winding profile guide has an inlet side on which a front end of a winding profile that can be brought up from the template of the winding profile can be received by the winding profile guide.
- the inlet side comprises, for example, an inlet gap or an inlet opening which enables the front free end of the winding profile to be threaded into the positioning area or into the winding profile guide.
- the inlet side is preferably present on a side of the winding profile guide facing away from the welding unit or on a side of the winding profile guide facing the template.
- the inlet side adjoins the positioning area.
- the winding profile guide has an outlet side opposite the inlet side, on which the centered winding profile can be moved further in the direction of the connection point of the two metal profiles.
- the recess from which the centered winding profile emerges from the winding profile guide ends at the outlet side.
- the outlet side which is preferably opposite the inlet side, faces the welding unit or the electrode of the welding unit.
- the recess preferably extends in the longitudinal direction of the recess from the inlet side of the winding profile guide to the outlet side of the winding profile guide.
- the winding profile is thus reliably centered and aligned from the inlet side to the outlet side.
- the depression preferably extends in a uniform manner, for example in a straight line, from the inlet to the outlet side.
- the depression has longitudinal edges which delimit the depression on both sides in its longitudinal direction, for example two linear longitudinal edges. Accordingly, the parallel longitudinal edges of the recess, which lie opposite one another, for example, also extend from the inlet side to the Outlet side.
- the recess is formed so as to be deepened towards the longitudinal edges, which delimit the recess on both sides.
- the recess is preferably designed in the form of a prism or V-shaped or in cross-section triangular, square or polygonal with a side open to the contact side.
- the recess has, for example, strip-shaped flanks that are aligned at an angle to one another.
- the at least two converging flanks form an angle, for example an obtuse or acute angle z. B. in the range of 90 degrees.
- the recess can thus cover a longitudinal section of the winding profile over approximately half a circumference.
- the contact between the depression and the centered winding profile is point, line or area-like.
- the positioning side with the recess is present opposite a contact surface of the contact side.
- the contact surface serves to support the centered winding profile, which is received and protrudes into the recess, when the contact and positioning sides are moved towards one another.
- the support of the winding profile on the contact surface takes place with the side of the winding profile that is opposite the side that is countersunk in the recess.
- the contact surface is preferably designed to be at least essentially flat, for example flat or strip-shaped.
- the recess and / or the contact surface are preferably matched in such a way that, regardless of the external dimensions of the winding profile, when the winding profile is positioned, a section of the winding profile protrudes beyond the recess in the direction of the contact surface of the contact side.
- the depression advantageously comprises curved sections and / or straight sections. This means that the recess can be adapted in almost any way to different external shapes or external dimensions of the winding profiles.
- the recess is z. B. in a concave shape, V-shaped or rectangular channel-shaped or channel-shaped.
- the electrode of the welding unit is designed to be deflectable in a spring-mounted manner during operation, so that a pressing contact of the electrode is set up on a section of the winding profile to be welded.
- At least one welding electrode of the welding unit preferably also a contact electrode, is designed such that it can be deflected in a spring-mounted manner during operation.
- the welding electrode and the contact electrode are preferably rotatably mounted about an axis of rotation which is aligned parallel to an axis of rotation of the main wheel of an associated machine.
- the electrode comprises e.g. B. a welding roller made of a highly electrically conductive copper material. In the welding and working operation of the device, the welding roller rotates continuously on a mating section or circumferentially briefly on the longitudinal profiles with the wound profile resting on them. The welding always takes place briefly and selectively.
- the welding unit can be displaced via a spindle drive in order to set a working position of the welding unit. This is compact and robust and can be easily implemented with an electric drive.
- the welding unit has a securing arrangement for blocking a set working position of the welding unit.
- the Safety arrangement is preferably integrated in the drive for setting the working position of the welding unit.
- a toothed rack with a tooth contour and a counter-tooth contour connected to the welding electrode should preferably be provided.
- the rack is driven by a drive such. B. the spindle drive or the electric drive z. B. moved linearly by means of a gear to adjust the working position of the welding unit.
- the permanently interlocking teeth are used to block a set working position of the welding unit. This ensures that the welding unit always works safely.
- the invention extends equally to a machine comprising a driven rotatable main wheel for receiving a plurality of longitudinal profiles, a device according to one of the above-described embodiments being provided.
- the machine with the device is designed, for example, as a cage welding machine, which is used to produce steel or metal mesh reinforcements such as, in particular, reinforcement cages for manhole or concrete pipes, piles, supports or beams made of concrete.
- the machine is used to produce a metal mesh reinforcement from several longitudinal profiles and a winding profile connected to the longitudinal profiles.
- the machine preferably has a feed arrangement and a feed arrangement for the winding profile provided from a template or wound on a coil.
- the machine comprises on both sides of the main wheel, opposite one another, a longitudinal profile positioning section and a transport section with a rail guide for a linear movement of a pulling wheel which rotates simultaneously with the main wheel during operation and which picks up the finished front end of the metal mesh reinforcement.
- FIG. 1 shows a perspective overall view of a machine according to the invention with a device for producing a metal mesh reinforcement
- FIG. 2 shows a detail of the machine according to FIG. 1 in a perspective individual view
- FIG. 3 shows a further section of the machine according to FIG. 1 equipped with indicated longitudinal profiles, partly very schematically,
- FIG. 4 shows a side view of a detail of the arrangement according to FIG. 3,
- FIG. 5 shows a detailed view of a section of the arrangement according to FIG. 3 with a winding profile
- FIG. 6 shows a perspective individual view of a component from FIG. 5 with a cut winding profile
- FIG. 7 shows a perspective detail section of a section from FIG. 5.
- Fig. 1 shows a perspective overall view obliquely from the front of a machine 1 according to the invention with a device 2 for producing a metal mesh reinforcement from several metal profiles, comprising longitudinal profiles 3 (see FIG. 3) and a winding profile 4 (see FIG. 5 -7).
- the machine 1 such as a cage welding machine, is used to produce steel or metal mesh reinforcements such as, in particular, reinforcement cages for manhole or concrete pipes, piles, supports or girders made of concrete.
- a computer-aided control unit of the machine 1 is provided for the operational management of the machine 1 and the device 2.
- the control unit is also used to automatically set the working state or the working position of a welding unit 10 of the device 2.
- the reinforcement that can be produced has a plurality, for example 24 or 48, of parallel longitudinal profiles 3 circumferentially to a central longitudinal axis L of the machine 1 and a welded-on winding profile 4, like a flexible winding wire, wound around the longitudinal profiles 3 in a spiral shape.
- the winding profile 4 is welded to the finished metal mesh reinforcement, preferably in one piece or not interrupted, at a connection point with all of the longitudinal profiles 3, with the winding profile 4 being welded with all of the longitudinal profiles 3 at several longitudinally spaced locations of a longitudinal profile 3.
- the transport section 5 with a rail guide 6 is provided between a front end of the machine 1 and a frame section 7 of the machine 1.
- a positioning section 8 adjoins the frame section 3 towards the rear or opposite the transport section 5, for Correct positioning of the machine 1 with all of the longitudinal profiles 3 of the reinforcement cage to be manufactured before the start of the reinforcement manufacturing process.
- the pre-positioned longitudinal profiles 3 are circumferentially spaced from one another and pushed in, supported on the positioning section 8, parallel to the central longitudinal axis L on sections rotatable about the longitudinal axis L.
- the longitudinal profiles 3 are also supported on spoke-like sections of a main wheel 9 that is rotatable in the direction of rotation R about the longitudinal axis L by a motor.
- the pull wheel 32 takes the finished front end of the metal mesh reinforcement or its front longitudinal profile ends.
- the device 2 For welding the longitudinal profiles 3 to the winding profile 4, the device 2 comprises the welding unit 10 with a welding electrode 11, for example a welding roller and a contact electrode 12 offset in the longitudinal direction L from the welding roller, for example a contact roller.
- the welding unit 10 is used to weld an associated section of a respective longitudinal profile 3 to the winding profile 4 at a connection point of the two profiles.
- the device 2 also includes a winding profile guide 13, which guides the winding profile 4, which can be brought up to the winding profile guide 13 from a template of the winding profile 4 (not shown), to the welding electrode 11 of the welding unit 10.
- the template is z. B. a coil with a comparatively long piece of a winding profile 4 wound in a spiral shape on the coil.
- the winding profile guide 13 enables bridging and precise positioning of the winding profile 4 on the welding electrode 11, which relates to a final section on the way of the winding profile 4 separated from the template from the template to the welding unit 10.
- the winding profile guide 13 has a contact side 14 and a positioning side 15 opposite to the contact side 14.
- the front end of the winding profile 4 threads into an inlet side 18 of the winding profile guide 13, whereby the winding profile 4 can be accommodated in a positioning area 16 formed between the contact side 14 and the positioning side 15 for a clean guidance and alignment of the winding profile 4.
- the contact side 14, which comprises a preferably flat sliding strip 17, can be reversibly moved towards the welding electrode 11 in the longitudinal direction of a winding profile 4 present in the positioning area 16 in accordance with the direction of displacement RI and away from or towards it in accordance with the direction of displacement R2 (see FIG. 5). .
- the positioning side 15 with a longitudinal axis LI of the positioning side 15 is mounted so that it can pivot about an axis A relative to the contact side.
- the positioning side 15 can thus be pivoted back to and away from the contact side 14 or to the sliding strip 17 in accordance with the pivoting directions R3.
- the winding profile 4 is supported and positioned on a flat, flat contact surface 21 on the contact side 14. With the displacement of the contact side 14 or the sliding strip 17 in the direction RI, the winding profile 4 reaches the welding electrode 11 at the point of welding with a respective longitudinal profile 3. At the same time, a forced movement of the winding profile 4 takes place.
- the machine 1 can be used to manufacture reinforcement cages with different external dimensions or different external diameters.
- the welding unit 10 is automatically brought into a predeterminable working position or working state relative to the main wheel 9 before the start of a manufacturing process. In the process, a radial distance between the welding unit 10 and the longitudinal axis L is changed.
- the welding unit 10 is accommodated on a displaceable welding carriage 23, which can be reversibly displaced back and forth along a linear guide 24 to the desired radial position along a linear guide 24, in a reversible manner in accordance with the direction of movement R4.
- the drive 22 is preferably an electric drive such as a spindle drive.
- the set working position is preferably blocked z. B. mechanically.
- the blocking is to be distinguished from a preferably existing bearing play of the welding electrode 11 and / or the contact electrode 12.
- the bearing play is preferably always present or independent of the blocked working position of the welding unit 10.
- the blocking is preferably done with a clamping mechanism.
- a clamping mechanism is set up, the clamping mechanism having a toothing, with a toothed rack 25, which comprises a tooth contour, and a counter-tooth contour 26, which is in matching engagement with the tooth contour of the toothed rack 25 (see FIG. 3).
- the linearly movable rack 25 is moved linearly via the drive 22 like the electric spindle drive with a gear 27 rotatable by the drive 22 in order to set the working position of the welding unit 10.
- a working position of the welding unit 10 is shown in FIG. 5. With the welding unit 10, the welding electrode 11 and the contact electrode 12 are also brought into a working position.
- the welding electrode 11 In the electrode working position with the longitudinal profiles 3 present on the main wheel 9 and the supplied winding profile 4, the welding electrode 11 rests on the winding profile 4 to be welded in the area of its contact with the longitudinal profile 3. In order to enable a predeterminable pressing force of the welding electrode 11 during operation or to minimize the effects of wear on the electrode material, the welding electrode 11 is supported in an evasive manner or in a spring-loaded manner.
- a cylinder-piston unit 28 with a cylinder and a piston that can be moved relative to the cylinder is provided.
- the cylinder-piston unit 28 is preferably a pneumatic cylinder-piston unit.
- the welding electrode 11 is coupled to the piston, which is displaceable in the cylinder, via a piston rod 30 connected to the piston.
- the contact electrode 12 is also preferably air-spring-mounted or positionable via a cylinder-piston unit, preferably a pneumatic cylinder-piston unit.
- the complete welding carriage 23 with contact electrode 12 and welding electrode 11 is moved in an automated manner until the contact electrode 12 rests against current collectors 31 with a lift.
- a standard retraction condition of the piston rod in question is referred to as the lift.
- This value "X" corresponds to the lift and is detected or signaled via a displacement sensor 29 on or in the cylinder or in the pneumatic cylinder.
- the travel sensor 29 detects the retraction stroke and provides a corresponding signal to the control unit.
- a console connected to the welding electrode 11, which is movably mounted on the welding carriage 23, is also moved forward until the standard lift of the welding electrode 11 is reached, which takes place in accordance with the lift of the contact electrode 12 described above, also with a Displacement sensor.
- the lift is preferably predetermined or set automatically by means of the control unit.
- This procedure according to the invention is advantageous compared to a procedure in which the procedure is reversed and the welding carriage is moved until a target state of the welding electrode is reached, and then the contact electrode is set manually.
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Abstract
Description
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112022022182A BR112022022182A2 (pt) | 2020-07-02 | 2021-05-19 | Aparelho para produzir um reforço de grade metálica e máquina |
KR1020227046010A KR102538995B1 (ko) | 2020-07-02 | 2021-05-19 | 금속 그리드 보강재 생산 장치 및 기계 |
EP21728504.8A EP4175777A1 (de) | 2020-07-02 | 2021-05-19 | Vorrichtung zur herstellung einer metallgitter-bewehrung und maschine |
CN202180045646.XA CN115803128A (zh) | 2020-07-02 | 2021-05-19 | 用于制造金属格栅加强件的装置和机器 |
US18/058,922 US11813662B2 (en) | 2020-07-02 | 2022-11-28 | Apparatus for producing a metal grid reinforcement and machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020117467.5A DE102020117467A1 (de) | 2020-07-02 | 2020-07-02 | Vorrichtung zur Herstellung einer Metallgitter-Bewehrung und Maschine |
DE102020117467.5 | 2020-07-02 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US18/058,922 Continuation US11813662B2 (en) | 2020-07-02 | 2022-11-28 | Apparatus for producing a metal grid reinforcement and machine |
Publications (1)
Publication Number | Publication Date |
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WO2022002481A1 true WO2022002481A1 (de) | 2022-01-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2021/063365 WO2022002481A1 (de) | 2020-07-02 | 2021-05-19 | Vorrichtung zur herstellung einer metallgitter-bewehrung und maschine |
Country Status (7)
Country | Link |
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US (1) | US11813662B2 (de) |
EP (1) | EP4175777A1 (de) |
KR (1) | KR102538995B1 (de) |
CN (1) | CN115803128A (de) |
BR (1) | BR112022022182A2 (de) |
DE (1) | DE102020117467A1 (de) |
WO (1) | WO2022002481A1 (de) |
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- 2021-05-19 KR KR1020227046010A patent/KR102538995B1/ko active IP Right Grant
- 2021-05-19 BR BR112022022182A patent/BR112022022182A2/pt unknown
- 2021-05-19 WO PCT/EP2021/063365 patent/WO2022002481A1/de active Application Filing
- 2021-05-19 EP EP21728504.8A patent/EP4175777A1/de active Pending
- 2021-05-19 CN CN202180045646.XA patent/CN115803128A/zh active Pending
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2022
- 2022-11-28 US US18/058,922 patent/US11813662B2/en active Active
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WO2008131346A2 (en) * | 2007-04-20 | 2008-10-30 | Concrete Technology Worldwide, Inc. | Method and system for manufacture of a wire cage |
WO2017153602A1 (de) * | 2016-03-11 | 2017-09-14 | Apilion Machines + Services Gmbh | Vorrichtung zur herstellung von bewehrungskörben |
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Also Published As
Publication number | Publication date |
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KR102538995B1 (ko) | 2023-05-31 |
EP4175777A1 (de) | 2023-05-10 |
DE102020117467A1 (de) | 2022-01-05 |
KR20230010775A (ko) | 2023-01-19 |
BR112022022182A2 (pt) | 2022-12-13 |
US11813662B2 (en) | 2023-11-14 |
CN115803128A (zh) | 2023-03-14 |
US20230086409A1 (en) | 2023-03-23 |
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