EP4175776A1 - Dispositif pour produire un renfort en treillis métallique - Google Patents

Dispositif pour produire un renfort en treillis métallique

Info

Publication number
EP4175776A1
EP4175776A1 EP21727461.2A EP21727461A EP4175776A1 EP 4175776 A1 EP4175776 A1 EP 4175776A1 EP 21727461 A EP21727461 A EP 21727461A EP 4175776 A1 EP4175776 A1 EP 4175776A1
Authority
EP
European Patent Office
Prior art keywords
profile
winding
winding profile
welding
unit
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
Application number
EP21727461.2A
Other languages
German (de)
English (en)
Inventor
Manfred KAHL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MBK Maschinenbau GmbH
Original Assignee
MBK Maschinenbau GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MBK Maschinenbau GmbH filed Critical MBK Maschinenbau GmbH
Publication of EP4175776A1 publication Critical patent/EP4175776A1/fr
Pending legal-status Critical Current

Links

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
    • 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 welding unit for welding a longitudinal profile to a wound profile at a connection point between the two metal profiles.
  • the machine comprises a feed unit for feeding a section of the winding profile provided from a template, also called a coil, to the welding unit.
  • the machine has a cutting arrangement for severing the winding profile in order to separate a profile section of the winding profile from the template.
  • These machines are used to produce metal mesh reinforcement, for example for reinforced concrete elements such as concrete pipes or supports made of steel-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 selection and variable processing from different winding profiles.
  • the invention is based on a device for producing a metal mesh reinforcement from interconnected metal profiles, the metal mesh reinforcement having several longitudinal profiles and a winding profile, the device having a welding unit for welding a longitudinal profile to the winding profile at a connection point of the two metals - Profiles and a supply unit for supplying a section of the winding profile provided from a template to the welding unit, the supply unit comprising a cutting arrangement for severing the winding profile in order to separate a profile section of the winding profile from the template.
  • the metal mesh reinforcement geometry is formed by the arrangement of the longitudinal profiles, which are arranged, for example, on a rotating main wheel.
  • the geometry of the metal mesh reinforcement is preferably cylindrical with, for example, a round, oval or angular base. So that the longitudinal profiles remain arranged in the geometry, the longitudinal profiles are connected to a winding profile, with the one winding profile being connected to the longitudinal profiles in particular from the beginning of the longitudinal extension of the longitudinal profiles to in particular the end of the longitudinal extension of the longitudinal profiles, i.e. several times with each longitudinal profile.
  • the longitudinal profiles are rotated on the rotatable main wheel and the winding profile is wrapped around the longitudinal profiles.
  • a longitudinal profile is permanently connected to the winding profile; by turning the main wheel further, the winding profile reaches the next longitudinal profile and is connected to this longitudinal profile, etc.
  • the profiles are welded to one another by a welding unit at the connection point or welding point.
  • the metal mesh reinforcement which can be in the form of a reinforcement body or a reinforcement cage, for example, is advantageously designed as a reinforcement of a pipe, a pile, a support and / or a pillar.
  • the metal mesh reinforcements are preferably used for manhole and concrete pipe reinforcement in structural and / or civil engineering.
  • the reinforcement body is, for example, rectangular, square, polygonal or polygonal, round and / or oval when viewed in a cross section, in particular seen transversely to a longitudinal extension of a rod.
  • the reinforcement is, for example, part of the reinforced concrete pipe.
  • different stable winding profiles are used, for example, and thus different outer dimensions of the winding profiles for different metal mesh reinforcement. Reinforcements needed.
  • the external dimension preferably corresponds to the maximum cross-sectional extension of the winding profile.
  • the external dimension is the diameter of the circle.
  • the external dimensions of the respective winding profiles can vary, for example, between 4 and 10 mm and larger.
  • the winding profiles are, for example, winding wires, which preferably consist of a metal that is comparatively easy to weld.
  • the essence of the invention is that the cutting arrangement is present in a cutting area of the device that is remote from the welding unit, that the device is designed so that after the winding profile has been cut, the end section of the winding profile separated from the template is fed from the cutting area to the welding unit and at least one further welding process of the severed end section of the winding profile with a longitudinal profile takes place to complete the metal mesh reinforcement.
  • the winding profiles for each metal mesh reinforcement have been changed manually before the longitudinal profiles are welded to a winding profile.
  • the winding profile can be changed automatically. This is advantageous because it is comparatively time-saving and possible with reduced personnel expenditure.
  • winding profile is only possible if there are several winding profiles in the device, which are fed to the device from a template, e.g. a coil.
  • the winding profiles in the device advantageously have different external dimensions.
  • the templates are bulky and, on the other hand, there are several templates, the templates are several meters away from the welding unit.
  • the selected winding profile automatically and safely fed to the welding unit.
  • the winding profile is fed to the welding unit by the feed unit.
  • the winding profile After the winding profile has been fed to the welding point by the feed unit, the winding profile is connected to the longitudinal profiles on the welding unit.
  • the winding profile can be cut at a point near the template by means of the cutting arrangement.
  • One end of the winding profile which is separate from the end wound on the template, belongs to the winding profile for the production of the metal mesh reinforcement.
  • This end and the longitudinal section of the winding profile separated from the template formed from the separation point to the last weld point can then be pulled to the welding unit and wound around the longitudinal profile at the relevant longitudinal profile to produce the last weld point.
  • the cutting arrangement is present in a cutting area remote from the welding unit, the distance between the cutting area and the welding unit preferably being in the range from 5500 mm to 5700 mm.
  • the distance between the cutting area and the welding unit is, for example, between 3000-5500 mm or between 5700-7000 mm.
  • This comparatively large distance must be overcome by the winding profile.
  • the winding profile is moved to the welding point with a drive until there is a first welding point between the winding profile and the longitudinal profile, then the winding profile is drawn by turning the main wheel.
  • the continuous production of the metal mesh reinforcement is not interrupted, that is, the winding profile continues to be fed to the welding unit and the winding profile is attached to the welding unit inextricably linked to the longitudinal profiles.
  • the speed of the rotatable main wheel and thus the speed at which the winding profile is drawn can advantageously be slowed down for the separation of the winding profile.
  • the end section of the winding profile that was created by cutting off the winding profile is fed to the welding unit.
  • the winding profile continues to be welded to the longitudinal profiles on the welding unit until the end section of the winding profile is welded to a longitudinal profile at a last welding point. Then the metal mesh reinforcement is completed.
  • the end section of the winding profile lies a maximum of 5 cm away from the very last weld point between the winding profile and a longitudinal profile.
  • control unit of the device and / or the machine for the operational management of the device or the machine.
  • control unit is preferably used to determine the separation point of the winding profile.
  • a synchronizing unit is advantageously provided, which is designed in such a way that the feed unit and the welding unit can be moved simultaneously and coupled to one another in a common direction when the welding unit is driven and adaptable to a desired external dimension of the metal mesh reinforcement in order to set a working position of the welding unit, in which the welding unit remains for the production of a metal mesh reinforcement with constant external dimensions. This advantageously saves time and effort reduced, since the working position of the welding unit can be automatically adjusted by the synchronizing unit.
  • the movement of the welding unit is advantageously synchronous with the movement of the feed unit, both units being movable in an identical direction, preferably in a direction perpendicular to the axis of rotation of the main wheel.
  • the distance between the cutting arrangement, which is part of the feed unit, and the welding unit is constant during the movement of the welding unit and the feed unit that are coupled to one another.
  • the welding unit is moved with a drive and this movement is transmitted, for example, to a first transmission unit which is coupled, in particular mechanically coupled, to a second transmission unit.
  • the second transmission unit then preferably transmits the movement to the feed unit.
  • the two coupled transmission units are e.g. part of the synchronization unit.
  • the outer dimensions of the metal mesh reinforcement that can be produced with the machine can preferably differ by, for example, up to 1600 mm, e.g. an outer diameter based on the axis of rotation.
  • the welding unit can be moved back and forth by 800 mm in a direction perpendicular to the axis of rotation of the main wheel in order to set the working position of the welding unit. If necessary, 700 mm, 600 mm, 500 mm, 400 mm or 300 mm, which the welding unit is movable, are sufficient.
  • the welding unit can be moved linearly.
  • the welding unit can be moved in a driven manner, for example with an electric and / or with a hydraulic and / or a pneumatic drive, and can be moved back and forth reversibly.
  • the control unit is preferably used to automatically adjust the working position of the welding unit.
  • the control unit preferably controls the drive the welding unit, preferably in cooperation with sensor means of the device, such as displacement and / or position sensors.
  • the working position of the welding unit is the position in which the welding unit can be driven in order to weld a longitudinal profile to the winding profile for a desired external dimension of the metal mesh reinforcement.
  • the welding unit is driven in a direction perpendicular to the axis of rotation of the main wheel until the welding unit is adapted to the associated external dimensions of the respective metal mesh reinforcement.
  • the welding unit is not in direct contact with a longitudinal profile, for example, since sufficient space is still required for the winding profile, between the outside of the longitudinal profile and a welding electrode of the welding unit.
  • this position is no longer changed for the production of the metal mesh reinforcement. This applies to metal mesh reinforcements that have a uniform external dimension.
  • the winding profile has at least two winding profile sections, the first winding profile section having a constant first external dimension and the second winding profile section having a constant second external dimension that differs from the first external dimension, the device being designed in such a way that during the production of the metal grids -Reinforcement, the winding profile sections with different external dimensions can be changed automatically.
  • the metal grid reinforcement For the production of the metal grid reinforcement, it is also conceivable to use more than two wrapped profile sections for a single metal grid reinforcement, the several wrapped profile sections preferably having different external dimensions. Furthermore, it is also possible to switch several times, for example between two wound profile sections with different external dimensions.
  • the first winding profile section for the metal grid reinforcement comes from a first winding profile of a first template and the second winding profile section for the metal grid reinforcement comes from a second winding profile from a second template.
  • the winding profiles or the winding profile sections preferably have constant, different external dimensions.
  • an initial section of the first winding profile section is welded to a longitudinal profile and several weld points of the first winding profile section with several longitudinal profiles follow until the end section of the first winding profile section separated by the cutting arrangement takes place with a longitudinal profile.
  • a start section of the second winding profile section follows inside the feed unit, so that the starting section of the second winding profile section can be welded either to the longitudinal profile to which the end section of the first winding profile was welded or to the next longitudinal profile.
  • the second winding profile section is also welded to a plurality of longitudinal profiles until an end section of the second winding profile with a longitudinal profile is cut off by the cutting arrangement.
  • the metal grid reinforcement can be completed by welding the end section of the second winding profile to a longitudinal profile, or a third winding profile section is welded to longitudinal profiles.
  • the external dimension of the third winding profile section can correspond to the external dimension of the first winding profile section or the third winding profile section has an external dimension which is different from the external dimension of the first and second winding profile section.
  • the winding profile or the winding profile section can be changed automatically; the control unit is preferably programmable for this.
  • the programmed control unit is designed so that Change the winding profile or winding profile section.
  • the welding unit is present in such a way that, in order to adapt to the working position, the welding unit can be adjusted in a direction transverse to the longitudinal extent of the longitudinal profile.
  • the welding unit for the production of a metal mesh reinforcement with constant external dimensions remains in the working position.
  • a main wheel is preferably present on the machine, which is mounted rotatably about an axis of rotation, the main wheel being designed for the arrangement of several longitudinal profiles which can be accommodated next to one another, circumferentially to the axis of rotation.
  • the main wheel advantageously has spoke-like sections on which the multiple longitudinal profiles are arranged.
  • the outer dimension of the metal mesh reinforcement can preferably be adapted in that supports for all longitudinal profiles can be moved along the spoke-like sections in the radial direction to the axis of rotation of the main wheel.
  • both the welding unit and the feed unit can be moved in a direction perpendicular to the axis of rotation of the main wheel.
  • the feed unit is movable, for example, along linear guide elements, for example parallel rails.
  • the guide elements are advantageously arranged on a floor.
  • the guide elements preferably extend along the direction perpendicular to the axis of rotation of the main wheel.
  • the synchronization unit comprises transmission units with which the feed unit and the welding unit are coupled to one another in such a way that the feed unit and the welding unit can be moved in the same way.
  • the transmission unit preferably comprises, for example, hydraulic, and / or pneumatic and / or electrical Facilities.
  • the transmission units preferably include exactly two transmission units, for example hydraulic cylinders.
  • the movement of the feed unit and welding unit is preferably synchronized. It is advantageous if the movement of the welding unit is converted directly into a movement of the feed unit, so that the distance between the welding unit and the feed unit is constant.
  • the device comprises a receptacle in which several separate and different winding profiles can be presented in such a way that precisely one of the several separate winding profiles presented in the receptacle can be fed selectively to the cutting arrangement.
  • the different, separate winding profiles can each be unrolled from the respective template, e.g. a wound body or a coil, and a front free end section of the winding profile can be inserted into the receptacle.
  • the winding profile is no longer removed or moved out of the receptacle, e.g. in the direction of the original.
  • the receptacle preferably comprises support sections, e.g. channels or pipes, each exactly one support section for exactly one winding profile.
  • support sections e.g. channels or pipes
  • several winding profiles in particular 3-7, preferably e.g. 5 winding profiles, each with different external dimensions with respect to the other winding profiles, are present in the receptacle.
  • Two or more or all of the winding profiles can also each have the same external dimension.
  • precisely a single winding profile can be selected or used for the production of a metal mesh reinforcement.
  • the feed unit comprises a feed arrangement with a drive unit for the driven movement of the winding profile in the longitudinal direction of the winding profile, the feed arrangement being formed by multiple winding profiles provided next to one another in the feed unit to move precisely one of the multiple provided winding profiles with the drive unit to the welding unit.
  • exactly one winding profile of the plurality of winding profiles present in the receptacle is selected and this selected winding profile is moved to the welding unit in a driven manner.
  • the other winding profiles of the plurality of winding profiles provided do not experience any drive action from the drive unit.
  • the other winding profiles are thus unmoved, based on a movement in the longitudinal direction of the winding profile.
  • the feed arrangement is designed to apply precisely one winding profile with a force or drive effect, in particular a compressive force and / or a drive torque, in such a way as to move the selected winding profile with a pushing or sliding movement from the feed unit to the welding unit.
  • the feed arrangement can be moved transversely to the longitudinal extension of the winding profile, for example in order to direct a single selectable winding profile to the cutting arrangement.
  • the feed arrangement can be moved transversely to the longitudinal extension of the winding profile.
  • the feed arrangement can be moved by a drive, for example by an electric and / or pneumatic and / or hydraulic unit.
  • a first winding profile can advantageously be selected on the feed arrangement and moved by the drive unit to the cutting arrangement, the first winding profile being passed on from the cutting arrangement to the welding unit.
  • the welding unit preferably welds the starting section of the first winding profile section of the first winding profile to a longitudinal profile, the first winding profile being severed at the cutting arrangement and the separated end section of the first winding profile section being welded to a longitudinal profile.
  • a second winding profile can be selected on the feed arrangement by moving the second winding profile to the cutting arrangement by the drive unit.
  • the first and second winding profiles preferably have different external dimensions.
  • An operator can preferably enter the external dimensions and the length of the winding profile sections for a metal mesh reinforcement into the control unit.
  • the control unit advantageously communicates with the feed arrangement, so that the winding profiles on the feed arrangement can be changed automatically by means of the drive unit.
  • the control unit preferably communicates with the cutting arrangement, so that the length of the individual winding profile sections for the metal mesh reinforcement fit or the cutting arrangement cuts through the winding profiles at the correct point.
  • the feed arrangement has two opposite drive elements comprising a feed element and a counter-element, with the drive elements being able to apply a drive effect to precisely one of the plurality of provided winding profiles.
  • the selected winding profile can thus be pushed from the feed arrangement to the welding unit.
  • at least one separate counter-element is assigned to each of the several winding profiles provided in the feed arrangement.
  • the winding profile is slightly clamped for the advance between the counter element and the advance element.
  • the counter-element is preferably pressed onto the selected winding profile. Under the pressure of the counter element, the winding profile is pressed onto the feed element.
  • the feed element is movable, so that the movement of the feed element leads to the winding profile being moved in a driven manner under a frictional effect between the feed element and the winding profile in the longitudinal direction of the winding profile.
  • the driven, pushed winding profile is transported by the feed arrangement, for example, to the welding unit.
  • the advancing element can, for example, be pushed in a driven manner via a suitable mechanism or drive.
  • the counter elements can be a continuous
  • Opposite feed element Opposite feed element. However, there can also be pairings of counter elements and feed elements. If several feed elements are present, these are preferably coupled and driven together.
  • a feed element of the feed arrangement is preferably in frictional contact with the winding profile, it being possible for the frictional contact to be on the outside of the winding profile on one or more or both sides.
  • the force in particular the pressure force and / or the drive torque, which acts on the winding profile, comprises at least one force vector in the longitudinal direction of the winding profile.
  • the compressive force that acts on the winding profile is preferably only exerted on the winding profile until at least one welding point has been created between the pushed winding profile and a longitudinal profile with the welding unit. Then the selected one is advantageously Winding profile, pulled by the pulling motion through the rotating longitudinal profiles arranged on the main wheel. The winding profile is wound around the outside of the longitudinal profiles and thus unwound further length of the winding profile pulling from the associated template.
  • precisely one drive unit is preferably provided in such a way that one feed element or several feed elements is or are simultaneously driven by the drive unit in the drive state.
  • the drive unit preferably comprises a drive shaft and / or a drive roller, a drive and a connecting element.
  • the feed elements are advantageously connected to the drive roller by a connecting element, for example a belt, which is connected to the drive via a drive shaft.
  • a single feed element can also be driven in this way.
  • the drive can for example be provided electrically, for example with an electric motor.
  • the direction of rotation of the drive is preferably switchable and thus the direction of rotation of the feed rollers, for example from left to right or from right to left.
  • the winding profile can preferably be moved from the feed arrangement to the welding unit in a clockwise direction. It is also advantageous if the counter elements and the feed elements push the selected winding profile through deflection elements towards the welding unit.
  • the feed elements are preferably feed rollers, which in particular have a corrugated friction surface and / or a rough surface which is in contact with the winding profile are bringable.
  • the feed elements are preferably rotatably mounted and preferably have a convex contact surface for the winding profile.
  • the counter-element can be brought from a first switching state to a second switching state by a switching device, the counter-element pressing the selected winding profile against the advancing element in the second switching state.
  • the counter-element In the first switching state, the counter-element preferably has no contact with the winding profile, so that the counter-element is preferably spaced from the relevant winding profile. In the first switching state, the winding profile has no pressure contact with the advancing element and therefore no drive effect.
  • the counter-element is preferably brought into contact with the winding profile, so that the counter-element presses on the winding profile, which is pressed on the advancing element. In this case, the winding profile is preferably supported on the advancing element.
  • the winding profile In the second switching state, the winding profile experiences a driven movement.
  • counter-elements there are several counter-elements, preferably exactly 2 counter-elements, for each winding profile.
  • the respective associated counter-elements are preferably driven and switchable from the first switching state to the second switching state and back.
  • the associated counter-elements can be switched from the first to the second switching state, for example pneumatically and / or hydraulically and / or electrically, with the counter-elements being able to be pressed against the winding profile in the second switching state. If there is more than one counter-element for a winding profile, the counter-elements which can be pressed onto the one assigned single winding profile are advantageously connected to one another.
  • connection of the associated two or more counter-elements is advantageously carried out with a rigid element, which, for example, from Metal and / or plastic.
  • the rigid element, which connects the associated counter-elements with one another is preferably designed in the form of a cross, with, for example, one plate of the cross-like rigid element connecting the two counter-elements and another plate of the cross-like rigid element advantageously protruding from the counter-elements.
  • the counter-elements are preferably rollers, which are preferably rotatably mounted.
  • the feed arrangement comprises a profile holding system and / or a profile brake, which are available for a winding profile, wherein the profile holding system is designed to hold those winding profiles that are not selected for processing from all the existing winding profiles presented, with only a single winding profile for the other Processing is selectable.
  • the profile holding systems also advantageously hold the winding profiles, which have not been selected for the production of a metal mesh reinforcement, in the feed unit, so that the winding profiles are possibly held ready for the next metal mesh reinforcement.
  • a metal mesh reinforcement usually only a single winding profile, with an associated constant external dimension, is required.
  • the profile brake is advantageously designed in such a way that the pulling or pushing speed of the selected winding profile can be slowed down, e.g. to cut off the winding profile in the cutting area.
  • the cutting arrangement is designed so that the winding profile can be severed while the winding profile is simultaneously moving in its longitudinal direction to the welding unit.
  • the cutting arrangement preferably comprises a cutting device with, for example, two cutting edges.
  • the cutting device can advantageously be moved up to 350 mm in the longitudinal direction of the winding profile, the cutting device briefly moving along with the winding profile.
  • the cutting device is, for example, scissors, preferably flying scissors. Flying scissors are scissors that can move during the cutting process.
  • the speed of rotation of the main wheel or the metal mesh reinforcement around the axis of rotation can be slowed down and thus the speed of pulling the winding profile for cutting through the winding profile with the cutting device.
  • the continuous production of the metal mesh reinforcement for the severing of the winding profile is not interrupted and the welding of the winding profile with the longitudinal profiles with the welding unit on the main wheel can continue.
  • the cutting arrangement comprises a measuring element which communicates with the control unit.
  • the measuring element preferably measures the length of the run-through winding profile in order to determine, for example, the cutting point of the winding profile.
  • the measurement on the measuring element preferably begins with the end section of the winding profile, which comes from the template for the production of a metal mesh reinforcement. With a continuous measurement of the run-through winding profile, it can thus be determined when the winding profile has to be cut for the precisely fitting last weld.
  • the measuring element is preferably located between the feed arrangement and in front of the cutting device in the sliding direction.
  • the feed unit comprises a guide device which is designed in such a way that the driven winding profile is guided from the cutting arrangement to the welding unit, the guide at least acts adjoining in sections on the winding profile, so that the spatial path of the driven moving winding profile is defined.
  • the guide device preferably comprises at least one straight connecting element and one curved deflecting element, preferably a deflecting curve.
  • the deflection element is designed to change the direction of the winding profile, for example by means of a curve shape.
  • the deflecting element preferably comprises a plurality of rollers which are located on a holding part of the deflecting element.
  • the holding parts of the deflecting element can, for example, lie in a floor surface or be oriented at an angle to it.
  • the roles are preferably in pairs and / or in triplicate, so that a pair or a trilling of roles is opposed to a pair or a trilling of roles.
  • the pair or trilling of rollers preferably forms a kind of annular groove between the rollers in which the winding profile is guided.
  • a single roller can also form an annular groove by providing an indentation in a single roller.
  • the rollers e.g. pairs or trillings of rollers, are preferably arranged one behind the other in the sliding direction of the driven, movable winding profile and across from one another.
  • the rollers are all rotatably mounted, for example.
  • the rollers are advantageously arranged in such a way that the winding profile can be pushed through the deflection elements in a predefined area with a factor of, for example, 1 to 2 based on the external dimension, with some or all of the rollers being in contact with the winding profile, and with the rollers on can have contact with the winding profile on one side of the deflection arches or on both sides of the deflection arches when the winding profile extends over the entire length of the deflection elements.
  • a deflecting element is preferably aligned in a horizontal plane or in a plane at an angle thereto.
  • there are several deflecting elements preferably 2 deflection elements, the deflection elements being arranged between the cutting arrangement and the welding unit.
  • the first deflection element which preferably follows the cutting arrangement in the sliding direction of the winding profile, preferably deflects the winding profile from a direction along the longitudinal extension of the longitudinal profiles in a direction transverse to the longitudinal extension of the longitudinal profiles.
  • a second deflection element which is arranged in the sliding direction of the winding profile in front of the welding arrangement, advantageously deflects the winding profile from a direction transverse to the longitudinal extension of the longitudinal profiles in a direction along the longitudinal extension of the longitudinal profiles.
  • the deflecting elements are connected to one another with a connecting element, for example a tube, in which the winding profile is preferably passed from one deflecting element to the next deflecting element.
  • the welding unit advantageously comprises a winding profile guide and a welding arrangement, the winding profile guide being designed to guide the winding profile to the welding arrangement.
  • the winding profile guide preferably centers the winding profile on the welding point, in particular before the first welding between the winding profile and a longitudinal profile has taken place.
  • the winding profile guide is preferably located between the last deflecting element and the welding arrangement.
  • 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 a winding profile is brought up between the contact side and the positioning side is forced to a centered position when the Positioning side and the contact side are moved towards each other.
  • the positioning side can advantageously be moved towards the contact side by virtue of the fact that the positioning side can be pivoted, for example, about a pivot axis.
  • the contact side can be moved tangentially to the main wheel so that the winding profile can be positioned precisely on the welding point. Even with small distances between the contact side and the welding point, the winding profile can deviate from the desired welding point.
  • winding profiles with small external dimensions are increasingly flexible and should preferably be guided accordingly.
  • the two sides of the winding profile guide are in contact with the winding profile when both sides are moved relative to one another, e.g. into a closed position.
  • the two sides of the winding profile guide are preferably in a closed position as long as the winding profile has not been welded to a longitudinal profile.
  • the positioning side can be moved away from the contact side, e.g. into an open position.
  • the winding profile is advantageously in the open position on the contact side.
  • the winding profile guide can be pivoted so that the winding profile guide, for example, lies tangentially against the metal mesh reinforcement to be produced or against the body that is formed from the longitudinal profiles.
  • the positioning side has a recess that is matched to the winding profile.
  • a respective winding profile brought up to the winding profile guide is advantageously first in brought a position between the positioning side and the contact side, which deviates or may deviate from the ideal or centered position of the winding profile for welding.
  • the positioning side and the contact side are moved away from each other and leave enough space 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.
  • a section of the winding profile is then positioned between the positioning side and the contact side. Then the positioning side and the contact side move relative to one another and towards one another.
  • the winding profile is precisely positioned and centered in relation to the welding point due to the relative movement of the positioning side and the contact side.
  • the winding profile centered with the aid of the recess leaves the winding profile guide, preferably precisely positioned on an outlet side, in such a way that the winding profile reaches the weld point exactly in terms of direction and position.
  • the recess is designed, for example, in the form of a wedge, for example as a prism.
  • the welding point is preferably aligned with and in a straight extension of the central longitudinal axis of the positioning side.
  • the winding profile for example a winding wire with a diameter of a few millimeters
  • the winding profile guide is flexible, there is a risk that the position of the winding profile from deviates again from the centered position and alignment. This tendency increases as the distance between the end of the winding profile moving away from the winding profile guide increases. This means that the greater the distance between the outlet side of the winding profile guide and the welding point, the possible deviation of the winding profile present centered in the winding profile guide from the ideal position with respect to the welding point also increases.
  • the winding profile guide or the outlet side of the winding profile guide, on which the centered winding profile leaves the winding profile guide is as close as possible, preferably in the immediate vicinity of the weld between the winding profile and the longitudinal profile.
  • the distance between the outlet side of the winding profile guide and the welding point is preferably minimal and is, for example, in the millimeter range, e.g. is less than twice the diameter of the winding profile.
  • the device is preferably equipped in such a way that the centered winding profile, after leaving the winding profile guide, preferably reaches the welding point immediately, for example after one millimeter or after a few millimeters.
  • the winding profile guide is provided in such a way that the winding profile is precisely aligned and / or precisely positioned and reaches the welding point at which an electrode of the welding arrangement welds the winding profile to a longitudinal profile.
  • the welding arrangement advantageously has a spring-mounted electrode, the welding arrangement being movable in a direction transverse to the longitudinal extent of the longitudinal profile. A fine positioning of the welding arrangement in the working position preferably takes place during the continuous production of the metal mesh reinforcement.
  • the welding arrangement advantageously comprises two electrodes, one electrode preferably being a welding electrode and a second electrode being a contact electrode.
  • the welding electrode and contact electrode are designed as rollers, for example.
  • the electrodes are preferably each resiliently mounted. It is also advantageous that, on the one hand, the movement of the electrodes is damped by the spring mounting and, on the other hand, the electrodes can be pressed against a counterparty for fine positioning.
  • the welding electrode can preferably be pressed against the winding profile, with the winding profile preferably being pressed onto a longitudinal profile. During the continuous rotation of the main wheel, the welding electrode remains in particular permanently and always in contact with the winding profile. This is preferably achieved by a spring force which, according to the resilient mounting, acts on the electrode in the direction of the winding profile.
  • the contact electrode advantageously presses on a contact body, which preferably consists of metal, in particular copper.
  • the contact electrode preferably has clocked contact with the contact body, since the spaced-apart contact bodies are arranged on the spoke-like sections on the main wheel and are offset from the longitudinal profiles on the spoke-like sections in the radial direction to the axis of rotation of the main wheel.
  • welding can only be carried out on the welding electrode when the contact electrode is in contact with the contact body.
  • contact electrode and the welding electrode are spaced apart from one another in both a radial and an axial direction relative to the axis of rotation of the main wheel.
  • the welding arrangement and the electrode can be precisely positioned, with the spring mounting being able to set a pressing force of the electrode as a function of the relative stroke.
  • the Relative stroke can, for example, be a specifiable stroke of a cylinder relative to a piston.
  • the setting can be done automatically by specifying a target value "X", for example in millimeters.
  • the cylinder-piston unit in particular comprises a pneumatic arrangement, more precisely a pneumatic cylinder-piston unit, for example an air spring.
  • a pneumatic cylinder and a pneumatic piston for example, the winding profile can be set to adapt the level of a pressure effect or pressure force of the electrode on the opposing partner.
  • a sensor arrangement e.g. with a displacement sensor to detect the stroke of the cylinder relative to the piston or the retraction stroke and to provide the information for the control unit.
  • a welding electrode can be positioned by a drive in a predeterminable but then fixed working position, with a locking device which holds the welding electrode in a fixed position in the working position.
  • the drive is a spindle drive, which can preferably be easily implemented with an electric drive.
  • the welding electrode has a securing arrangement for blocking a set working position of the welding electrode.
  • a toothed rack with a tooth contour and an opposing tooth contour is preferably to be provided.
  • the rack is moved linearly via a drive, such as a spindle drive, preferably an electric drive, for example by means of a toothed wheel, in order to set the working position of the welding electrode.
  • the opposing tooth contour blocks the position of the welding electrode by engaging the tooth contour of the rack.
  • 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 and / or metal mesh reinforcements such as 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 unit for the winding profile provided from a template, preferably wound on a coil.
  • the machine comprises on both sides of the main wheel, on the opposite side, a longitudinal profile positioning section and a transport section with a rail guide for one
  • FIG. 1 shows a perspective overall view of a machine with a device according to the invention for producing a metal mesh reinforcement
  • FIG. 2 shows a part of the device according to FIG. 1 in a perspective individual view
  • FIG. 3 shows a view from above of parts of the device according to FIG. 2 in a highly schematic manner
  • FIG. 4 shows a feed arrangement of the device according to FIG. 2 in a perspective view
  • FIG. 5 shows a further perspective illustration of the feed arrangement from FIG. 4,
  • FIG. 6 shows a perspective view of part of the feed arrangement from approximately section A from FIG. 5,
  • FIG. 7 shows a perspective view of part of the feed arrangement from approximately section B from FIG. 5, FIG.
  • FIG. 8 shows a perspective, schematic view of part of the feed arrangement from approximately the section C from FIG. 6 with a plurality of schematically illustrated, inserted winding profiles
  • 9 shows a schematic side view of the detail section D from FIG. 8 with an inserted winding profile
  • FIG. 10 shows a partially simplified cutting arrangement from the device according to FIG. 2 in a perspective view
  • FIG. 11 shows a deflection element of the device according to FIG. 2 in a perspective view with a schematically illustrated winding profile
  • FIG. 12 shows the detail shown in FIG. 11 according to E in an enlarged view
  • FIG. 13 shows a winding profile guide of the device according to FIG. 2 with the main wheel shown schematically in a side view
  • FIG. 14 shows a perspective detail section of the winding profile guide according to FIG. 13 with a winding profile shown schematically in cross section
  • FIG. 16 shows a further perspective detail of the welding arrangement according to FIG. 2.
  • FIG. 1 shows, in a perspective overall view, obliquely from the front, a machine 1 according to the invention which comprises a device 2.
  • the machine 1 is for the production of a metal mesh reinforcement from several metal profiles, including longitudinal profiles 4 (see Fig.
  • 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,
  • the reinforcements that can be produced have a plurality, for example 24 or 48, of parallel longitudinal profiles 4 that are circumferentially to a central longitudinal axis of the machine 1 and a spiral-shaped outside wound around the longitudinal profiles 4, such as a flexible winding wire (see Fig. especially Figs. 13 and 14).
  • the winding profile 3 or the winding wire is preferably made of metal.
  • the winding profile 3 is preferably in one piece and not interrupted, welded to the finished metal mesh reinforcement, each with a connection point to all of the longitudinal profiles 4, the winding profile 3 with all of the longitudinal profiles 4 at several weld points 75 spaced apart in the longitudinal direction (see Fig.
  • the continuously growing finished section of the metal mesh reinforcement is moved forward along a transport section 5 of the machine 1 in the conveying direction F, while the continuously growing finished section is stabilized with a holding arrangement 13 (see in particular FIG. 1).
  • the holding arrangement 13 can be moved along a rail guide 6. After the metal grid reinforcement has been completed, it is removed from the machine 1 with a forklift truck arrangement 11 which is movable along a rail guide 12.
  • the transport section 5 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 7 to the rear and opposite the transport section 5.
  • the positioning section 8 is used to equip the machine 1 in the correct position with all the longitudinal profiles 4 of the reinforcement cage to be produced before the start of the reinforcement production process.
  • the pre-positioned longitudinal profiles 4 are circumferentially spaced from one another and parallel to the central one Long axis inserted.
  • the longitudinal profiles 4 are arranged on supports 77 on spoke-like sections 10 of a main wheel 9 (see FIG. 13), which are mounted rotatably about an axis of rotation D.
  • the spoke-like sections 10 are provided on a main wheel 9 which is mounted so as to be rotatable by a motor in the direction of rotation B about the axis of rotation D (FIG. 2), the longitudinal profiles 4 (see FIG. 13) on supports 77 which are located on the spoke-like sections 10 rest.
  • the welding unit 14 is arranged, which comprises a winding profile guide 15 and a welding arrangement 16 (FIG. 2).
  • the welding unit 14 can be moved in the vertical direction R, in particular radially, to the axis of rotation D of the main wheel 9 in order to adapt the welding unit 14 to a desired external dimension of the metal mesh reinforcement.
  • the welding unit 14 In the respective set position, the welding unit 14 is in its working position. After the welding unit 14 has been brought into the working position, the position of the welding unit 14 is no longer changed during the welding process.
  • the external dimensions of the metal mesh reinforcement can vary, for example, up to 1600 mm, and thus the working position of the welding unit also varies, for example, up to 800 mm.
  • a feed unit 17 of the device 2 moves, coupled with the welding unit 14, when the welding unit 14 is brought into the respectively desired working position.
  • the feed unit 17 comprises a feed arrangement 18, a cutting arrangement 19 and deflection elements 20 (see FIG. 2).
  • the synchronous movement of the feed unit 17 and the welding unit 14 is implemented with a synchronization unit 73, which comprises coupled transmission units 21 (see FIG. 3).
  • the Coupled transmission units 21 preferably include hydraulic cylinders 22, 23, in particular at least or preferably exactly two hydraulic cylinders.
  • the coupled transmission units 21 can also be pneumatic and / or electrical devices.
  • a piston 22a of the first hydraulic cylinder 22 can be moved into a cylinder housing 22b of the cylinder 22, with pistons 22a, 23a each being movable relative to the corresponding cylinder housing 22b, 23b.
  • the movement of the piston 22a in the cylinder housing 22b for example, displaces the hydraulic oil from the first hydraulic cylinder 22.
  • the displaced hydraulic oil reaches the second hydraulic cylinder 23 through hoses 24, the piston 23a of the second hydraulic cylinder 23 being moved out of the cylinder housing 23b and the supply unit 17 moving with it.
  • the pistons 22a, 23a of the hydraulic cylinders 22, 23 preferably have the same displacement path, which extends in the direction R perpendicular to the axis of rotation D of the main wheel 9 and thus also the welding unit 14 and the feed unit 17 in the direction R perpendicular to the axis of rotation D of the main wheel 9 are moved, the distance A between the feed unit 17 and the welding unit 14 preferably always remains the same.
  • the feed unit 17 is movable in the perpendicular direction R to the axis of rotation D of the main wheel 9 along guide elements 25 such as rails.
  • the winding profiles 3 are unwound from a template and fed to the device 2, with several templates, each with a winding profile 3 being present.
  • the winding profiles 3, which are unwound from the templates, preferably have different external dimensions, with only one winding profile 3 being selected for the production of the metal mesh reinforcement, which is shown below as an example is described. It is also conceivable to produce a metal mesh reinforcement with in particular different and several winding profiles.
  • the one selected winding profile 3 is unwound from an associated template, such as a so-called coil, and a front free end is introduced into a receptacle 26, which preferably has several receiving tubes 26a, b, c, d, e (see Fig. 4) .
  • the receptacle 26 is part of the feed arrangement 18.
  • a plurality of winding profiles 3, in particular five, can be present in the receptacle 26, each of which is received in an associated receiving tube 26a, b, c, d, e for each winding profile 3.
  • the present five winding profiles 3 advantageously each have different external dimensions, for example between 4-10 mm.
  • the profile holding systems 27 hold the winding profiles 3 firmly in the device 2.
  • the profile brakes 28 are designed to reduce the pulling or pushing speed of the selected winding profile 3.
  • drive elements 29, which comprise a feed element 30 and a counter element 31, which are each designed, for example, as a rotatably mounted roller, for example as a feed roller and counter roller (Figs. 8-9).
  • feed elements 30 there are, for example, several feed elements 30, preferably two feed elements 30.
  • two feed elements 30 are provided and support the winding profile 3 (see in particular FIG. 6). All of the feed elements 30 are driven, for example, by a common drive unit 78, the drive unit 78 comprising, for example, a drive, for example an electric motor, a drive shaft 32a, a drive roller 32 and a connecting element 33.
  • the feed elements 30 are for a winding profile 3 each connected to the drive roller 32 by the respective connecting element 33.
  • the connecting element 33 is preferably made of a flexible material, for example as a belt or rope.
  • the drive shaft 32a transmits the rotary movement of the drive to the drive roller 32.
  • the drive unit 78 allows the feed elements 30 to be rotated either clockwise (FIGS. 8-9) or counterclockwise (not shown). If the feed elements 30 rotate clockwise, the winding profile 3 is removed from the feed arrangement
  • the feed elements 30 preferably rotate counterclockwise when the winding profile 3 is in the cutting arrangement
  • the winding profile 3 can only be moved in the feed area 29 by means of the drive unit 78 when the counter element 31 presses on the winding profile 3 and thus the winding profile 3 is pressed onto the advancing elements 30 (not shown).
  • a plurality of counter-elements 31, in particular two counter-elements 31 in each case, are advantageously arranged for each winding profile 3 (see FIGS. 6, 8, 9).
  • the counter-elements 31 can be switched from a first switching state to a second switching state, the counter-elements 31 having no contact with the winding profile 3 in the first switching state. In the second switching state, the counter-elements 31 press on the selected winding profile 3 (see FIG. 8), which is pressed on the advancing elements 30.
  • the selected winding profile 3 can then be used for the production of a metal mesh reinforcement.
  • the counter elements 31, which are arranged on a winding profile 3, are connected to one another with a connecting element 34, for example.
  • the connecting element 34 is preferably made of metal and / or plastic or the like and, in particular, cross-shaped.
  • this selected winding profile 3 is pushed towards the welding unit 14 by moving the counter-elements 31 vertically with a pressure element 35 (see FIG. 6) exclusively on the selected winding profile 3 will.
  • the pressure element 35 can be pressed onto the connecting element 34 in particular with a pivot element 36 (see FIG. 6) which can pivot about a pivot axis 37.
  • the pivot element 36 is connected on one side to the pivot axis 37 and on the other side to a pressure arrangement 38.
  • the pressure assembly 38 is connected at one end to the pivot element 36 and at the other end to a fixed frame 39 of the feed assembly 18.
  • the pressure arrangement 38 preferably comprises a pneumatic and / or a hydraulic unit.
  • the unit comprises, for example, a cylinder.
  • pivot element 36 is preferably a
  • Limiting element 40 is provided, which limits the pivoting element 36 in the pivoting movement in the direction of the counter-elements 31.
  • the delimiting element 40 is preferably designed in the form of a plate and made of metal, for example.
  • the outlets 41 can be moved in the perpendicular direction R to the axis of rotation D.
  • a displacement element 42 is formed in the area of the outlets 41 on the side which points in the direction of the main wheel 9 (see FIG. 7).
  • the displacement element 42 can be an electronic and / or a pneumatic and / or a hydraulic element, for example a hydraulic cylinder, preferably a multi-stage cylinder.
  • the winding profile 3 arrives at the cutting arrangement 19, the winding profile 3 being able to be centered with an insert element 43 in relation to an ideal position in the cutting area.
  • the insert element 43 is, for example, shaped like a funnel and consists, for example, of metal and / or plastic (see FIG. 10).
  • the winding profile 3 is centered in the cutting area by the insert element 43 and can be separated by means of a cutting device 44.
  • the cutting device 44 is movable in the longitudinal direction of the winding profile 3, and, for example, two cutting members of the cutting device 44 are preferably hydraulically and / or pneumatically pressed together.
  • the cutting device 44 is arranged in a housing which is movably supported on a plate 76.
  • the cutting device 44 in the housing can move linearly with the plate along a guide 45 and is brought back from an end position 48 to an initial position 47 by a restoring element 46.
  • the restoring element 46 is a hydraulic and / or a pneumatic and / or an electrical element.
  • the adjustment path C between the starting position 47 and the end position 48 of the cutting device 44 is advantageously, for example, 350 mm, 300 mm, 250 mm, 200 mm or 150 mm. The longer the adjustment path, the longer the cutting device 44 can move along in the feed direction of the winding profile 3, so that the cutting arrangement 19 requires no or only a slight reduction in the feed speed of the winding profile 3 by a cutting process.
  • the winding profile 3 can be guided by the guide device 79, which has curved deflection elements 20 and a straight channel 51 comprises, are pushed from the cutting arrangement 19 to the welding unit 14 (see FIG. 11).
  • the deflection elements 20 include base plates 74, rollers 49 and slide strips 52 arranged on the base plates 74.
  • the guide device 79 forms a sliding channel for the winding profile 3, which is moved in a sliding direction S, a sliding direction S of the winding profile 3 being changed by the deflection elements .
  • the deflecting elements 20 are shown in FIGS. 11-12 without a cover, which is preferably present.
  • the deflection elements 20 are formed in arcs in order to change the direction of the winding profile 3 safely.
  • the deflecting elements 20 are preferably aligned in a floor plane or a plane at an angle thereto. So that the winding profile 3 can be pushed through the deflection elements 20, the deflection elements 20 comprise rollers 49 on the sides (see FIG. 12).
  • the rollers 49 are preferably designed in pairs or as twin rollers on a common central axis, so that between the rollers 49 there is preferably a circumferential annular groove 50 in which the winding profile 3, in particular, partially dips from the outside.
  • the rollers 49 are designed close to one another, and one or two twin rollers 49 are located on the opposite side of each twin roller 49, for example.
  • the rollers 49 are rotatably mounted on an axis on the base plate 74 of the deflection elements 20.
  • sliding strips 52 between which the winding profile 3 is passed, can also be arranged on the deflecting elements 20.
  • the channel formed by the slide strips 52 preferably has an opening side 53 and an exit side 54.
  • the opening side 53 has, for example, a funnel-shaped cutout through which the winding profile 3 is positioned between the slide strips 52 more easily.
  • At the Exit side 54 preferably adjoin rollers 49, with a spacing between them, into which a winding profile 3 can thread.
  • the winding profile 3 can be pushed from the deflection elements 20 to the winding profile guide 15.
  • the winding profile guide 15 has an inlet side 58, where the winding profile 3 is pushed into the winding profile guide 15, and an outlet side
  • the winding profile guide 15 has two sides, a contact side 55 and a positioning side 56.
  • the wound profile 3 rests on the contact side 55 in the area of the outlet side 59.
  • the positioning side 56 has an elongated recess 60 which is adapted to the winding profile 3 (FIG. 14) and is designed such that winding profiles 3 with different external dimensions can be centered at a welding point 75.
  • the positioning side 56 is moved towards the contact side 55, with the winding profile 3 lying between the two sides.
  • the positioning side 56 is pivoted toward the winding profile 3 or the contact side 55 about a pivot axis 57. If the winding profile 3 is located between the contact side 55 and positioning side 56, the winding profile 3 is through the recess
  • the recess 60 positioned on the positioning side 56 on the welding point 75.
  • the recess 60 is preferably designed in the form of a prism and is formed, for example, along the entire positioning side 56, from the inlet side 58 to the outlet side 59.
  • each winding profile 3 each with a different external dimension, in particular between 4 and 10 mm, can be centered on the welding point 75.
  • the positioning side 56 is moved or pivoted onto the contact side 55.
  • the contact side 55 is preferably movable tangentially to the main wheel 9, so that the distance between the outlet side 58 and the welding point 75 is almost dissolved, preferably, for example, in a range of a few millimeters.
  • the winding profile 3 is positioned on the welding point 75 by the positioning side 56, in particular as long as no welding process has taken place. After a winding profile 3 has been welded to one or more longitudinal profiles 4, the positioning side 56 is advantageously moved or pivoted away from the contact side 55.
  • the winding profile 3 no longer has to be pushed by the feed elements 30 and counter-elements 31 to the welding arrangement, but the winding profile 3 is drawn around the axis of rotation D by the rotary movement of the main wheel 9, on which the longitudinal profiles 4 are arranged so handled by the template.
  • the counter-elements 31, which are in contact with the selected winding profile 3 switch from the second switching state to the first switching state and are therefore no longer pressed onto the winding profile 3 and the winding profile 3 is no longer driven by the feed arrangement 18.
  • the welding arrangement 16 welds the two profiles together at a welding point 75.
  • the welding arrangement 16 comprises two electrodes, a welding electrode 61 and a contact electrode 62 (see FIG. 15).
  • the welding electrode 61 and the contact electrode 62 are preferably designed as rotatably mounted rollers.
  • the two electrodes 61, 62 are preferably made of metal, in particular of copper.
  • the welding electrode 61 is arranged directly or in the vicinity of a maximum of a few centimeters of the outlet side 59 of the winding profile guide 15. For welding a Longitudinal profile 4 with a winding profile 3, the winding profile 3 is pressed onto the longitudinal profile 4 with the aid of the welding electrode 61.
  • the welding electrode 61 is supported in an evasive and spring-loaded manner.
  • the resilient mounting dampens the movement of the welding electrode 61.
  • a cylinder-piston unit 63 with a cylinder and a piston that can be moved relative to the cylinder is provided.
  • the cylinder-piston unit 63 is preferably a pneumatic cylinder-piston unit.
  • the welding electrode 61 is coupled to the piston, which is displaceable in the cylinder, via a piston rod 64, for example.
  • the contact electrode 62 is also preferably air-spring-mounted and positionable via a cylinder-piston unit 63, preferably a pneumatic cylinder-piston unit.
  • the contact electrode 62 presses with the pressing force on a contact body 65, which is formed on the main wheel 9 on the spoke-like sections 10, while the contact bodies 65 are spaced apart from the longitudinal profiles 4 on the spoke-like sections 10.
  • the complete welding unit 14 with contact electrode 62 and welding electrode 61 is automatically moved until the contact electrode 62 abuts a contact body 65 on the main wheel with a lift.
  • the contact body 65 is preferably made of metal, in particular copper.
  • a standard retracted state of the relevant piston rod 64 is referred to as the lift.
  • This value "X” corresponds to the lift and is detected and signaled via a displacement sensor 66 on or in the cylinder, preferably in the pneumatic cylinder.
  • the displacement sensor 66 detects the Retraction stroke and provides a corresponding signal to the control unit.
  • a console connected to the welding electrode 61, which is movably mounted on the welding unit 14, is also moved forward until the standard lift of the welding electrode 61 is reached, which corresponds to the lift of the contact electrode 62 described above, also with a displacement sensor 66 takes place.
  • the lift is preferably specified and set automatically by means of the control unit.
  • This procedure according to the invention is advantageous compared to a procedure according to which the procedure is reversed and the welding unit 14 is moved until a target state of the welding electrode 61 is reached, and then the contact electrode 62 is set manually.
  • the welding unit 14 can be reversibly shifted back and forth with a drive 67 in the vertical direction R, in particular radially, to the axis of rotation D of the main wheel 9 along a linear guide 68 (see FIG. 16).
  • the drive 67 is preferably an electric drive, such as a spindle drive.
  • the set working position is preferably blocked, e.g. mechanically.
  • the blocking is to be distinguished from a preferably existing fine positioning of the welding electrode 61 and / or the contact electrode 62.
  • the fine positioning is preferably always present and independent of the blocked working position of the welding unit 14 and is achieved by the rack 69 with a tooth contour and a counter-tooth contour 70 .
  • 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 69, which comprises a tooth contour, and a counter-tooth contour 70 which is in matching engagement with the tooth contour of the toothed rack 69 (FIG. 16).
  • the linearly movable rack 69 is moved linearly, for example via the drive 67 like the electric spindle drive with a gear 71 rotatable by the drive 67, in order to set the working position of the welding unit 14.

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  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
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Abstract

L'invention concerne un dispositif (2) pour produire un renfort en treillis métallique à partir de profilés métalliques qui sont réunis les uns aux autres, le renfort en treillis métallique comprenant une pluralité de profilés longs (4) et un profilé d'enroulement (3), lequel dispositif (2) comprend une unité de soudage (14) pour souder un profilé longitudinal (4) à un profilé d'enroulement (3) à un nœud de réunion des deux profilés métalliques et une unité de délivrance (17) pour délivrer une partie du profilé d'enroulement (3) délivré à partir d'un maître à l'unité de soudage (14), l'unité de délivrance (17) comprenant un agencement de coupe (19) pour couper le profilé d'enroulement (3), afin de couper une partie de profilé du profilé d'enroulement (3) provenant du maître. Selon l'invention, l'agencement de coupe (19) est disposé à l'intérieur d'une zone de coupe du dispositif (2) éloignée de l'unité de soudage (14), le dispositif (2) est conçu de telle sorte que, après la coupe du profilé d'enroulement (3), la partie d'extrémité du profilé d'enroulement (3) coupée à partir du maître est délivrée à partir de la zone de coupe jusqu'à l'unité de soudage (14), et qu'au moins une autre soudure est réalisée entre la partie d'extrémité coupée du profilé d'enroulement (3) et un profilé longitudinal (4), de façon à produire le renfort en treillis métallique.
EP21727461.2A 2020-07-02 2021-05-19 Dispositif pour produire un renfort en treillis métallique Pending EP4175776A1 (fr)

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PCT/EP2021/063361 WO2022002480A1 (fr) 2020-07-02 2021-05-19 Dispositif pour produire un renfort en treillis métallique

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DE102018112925A1 (de) * 2018-05-30 2019-12-05 Mbk Maschinenbau Gmbh Korbschweißmaschine zur Herstellung eines Bewehrungskörpers
KR102038498B1 (ko) 2019-03-18 2019-10-30 한국철강산업(주) 주근 지그재그 배열 장치 및 이를 적용한 대형 원형 철근 케이지 제조 장치
KR102411515B1 (ko) 2021-10-07 2022-06-22 한국철강산업(주) Cip용 원형 철근 케이지 자동 제조 장치

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WO2022002480A1 (fr) 2022-01-06
CN115835923A (zh) 2023-03-21
US11897023B2 (en) 2024-02-13
KR20230014785A (ko) 2023-01-30
BR112022022186A2 (pt) 2023-01-17
DE102021113027A1 (de) 2022-01-05
KR102538998B1 (ko) 2023-05-31
US20230090470A1 (en) 2023-03-23

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