EP3976305A1 - Schnellwechselsystem für schutzgas-schleppdüsen - Google Patents
Schnellwechselsystem für schutzgas-schleppdüsenInfo
- Publication number
- EP3976305A1 EP3976305A1 EP20728671.7A EP20728671A EP3976305A1 EP 3976305 A1 EP3976305 A1 EP 3976305A1 EP 20728671 A EP20728671 A EP 20728671A EP 3976305 A1 EP3976305 A1 EP 3976305A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- recess
- adapter ring
- carrier element
- gas nozzle
- burner
- 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.)
- Withdrawn
Links
- 239000000725 suspension Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 44
- 238000000034 method Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/29—Supporting devices adapted for making use of shielding means
- B23K9/291—Supporting devices adapted for making use of shielding means the shielding means being a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1462—Nozzles; Features related to nozzles
- B23K26/1482—Detachable nozzles, e.g. exchangeable or provided with breakaway lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
Definitions
- the invention relates to a device for replaceable fastening of a gas nozzle for a welding process.
- gases are introduced into the work area on the workpiece for various purposes.
- these are protective gases, that is to say for example inert gases that surround a gas layer
- the machining area Form the machining area and prevent oxidation of the materials during or after a welding process or during heat treatment.
- gases can be used specifically to influence machining parameters.
- the shielding gas is usually emitted via nozzles that are integrated with the burner. Depending on the processed material and the desired effect, it may also be necessary or useful, in addition to the protective gas directly
- Processing area to apply gas to the further or already processed area, for example until the oxidation temperature is undershot.
- This secondary gas protection is often achieved by so-called drag nozzles, which are also attached to the burner or to trailing covers such as e.g. attached to a towing shoe.
- the drag nozzle is usually attached via hose clamps and the like
- Clamping elements attached to the torch or to the drag shoe For example, a clamp is fixed on the burner tube, into which a gas nozzle can be inserted and then firmly clamped by screwing the clamp. Another possibility is to use nozzles that are provided with a suitable thread and firmly screwed to the burner element or a cover. Drag nozzles can also already be permanently integrated into a burner.
- the invention is therefore based on the object of achieving a simpler arrangement of a gas nozzle.
- This object is achieved in that a device for replaceable fastening of a gas nozzle is proposed, the device comprising a long support element which has a nozzle section for fastening a gas nozzle and is provided with a curved hanging section, and a
- Holding component which is provided with at least one recess which is shaped so that the suspension section of the carrier element can be introduced into the recess, so that a positive engagement between the carrier element and the holding component is created.
- a gas nozzle can be attached to a corresponding holding component by simply hanging and unhooking it, and it can be quickly replaced without the use of tools.
- Such a device is particularly suitable for drag gas nozzles that are additionally attached, but can also be used for other gas nozzles.
- the holding component can comprise an adapter ring which can be fastened to a tubular component, such as directly to a burner or another element.
- a recess can then be arranged, for example, in an axial end surface and / or in the outer circumferential surface of the adapter ring.
- the attachment can thus be flexibly adapted to the respective space conditions.
- the adapter ring can also be provided with a plurality of recesses spaced apart from one another in the axial direction and / or along the circumference of the adapter ring, so that the nozzle position can be quickly changed at defined intervals without repositioning the adapter ring.
- a recess can run at an angle to the central axis of the adapter ring, the angle being less than 90 °.
- All of the recesses can be made as a blind hole, elongated hole or as a through hole or in the form of a milling. Such a recess can be implemented, for example, by milling along the circumferential direction of the adapter ring.
- the shape of the at least one recess essentially corresponds to the shape of the suspension section, the dimensions being relatively accurate or with Game can be provided as long as the hold of the components is sufficiently strong to one another.
- the carrier element can be made from a strip-shaped piece of material, for example from a sufficiently thick one
- Sheet metal strip that can be easily formed into a carrier element by bending or other forming processes.
- the holding component can be made in one piece with a
- a device according to the invention for attaching a gas nozzle offers various advantages. Since the gas nozzle can be fixed to the rigid carrier element and the position and distance from the adapter ring can thus remain constant, the optimal distance between the gas nozzle and the processing area can be reliably maintained. By moving the adapter ring on the burner, this distance can also be changed as required and set to a new value. The nozzle can be attached and detached without tools and makes it easier to change or clean the nozzle, so that downtimes are significantly reduced. A change of the gas nozzle to suit the respective welding task is easily possible thanks to the quick assembly. In addition, such a system can be used with any burner as long as the corresponding adapter element can be attached or a suitable recess is available for the carrier element.
- adapter rings in different diameters can be provided with a single nozzle carrier element and can thus be adapted to several types of torch.
- Another advantage is that even if the gas nozzle collides with the component surface, e.g. by bumping, the so executed
- Fastening of the gas nozzle gives way and e.g. is partially pushed upwards out of the recess so that the burner and the gas nozzle are not damaged.
- FIG. 1 shows a perspective illustration of an adapter ring on a burner with a carrier element according to an embodiment of the invention
- FIG. 2 outlines a first embodiment of the invention with a vertical blind hole in cross section
- Figure 3 shows a further embodiment of the invention with a vertical
- FIG. 4 shows a further embodiment of the invention with a recess inclined with respect to the axis in cross section
- Figure 5 shows a further embodiment of the invention with a recess in the circumferential surface in cross section
- FIG. 6 shows a further embodiment of the invention with several recesses in the circumferential surface in cross section.
- a quick-change holder which comprises a carrier element for a gas nozzle and a corresponding recess on a holding component such as on a burner, on an adapter element or on another suitable element.
- the recess is designed in such a way that a curved suspension section of the carrier element can be introduced into the recess and can hold the carrier element there in a predetermined position by means of a form fit.
- the dimensions of the recess therefore correspond at least to the suspension section to be introduced therein, but can also be designed to be larger by a certain amount, as long as a secure hold of the carrier element in the recess is ensured.
- an adapter element it should be dimensioned with regard to its wall thickness or its circumference such that the recess can be accommodated therein.
- the recess can be opened essentially in a direction which, when the adapter element is attached, points away from the burner nozzle during operation.
- the quick-change holder can preferably be designed as a two-part device, in which a separate adapter element with the corresponding recess is provided as the holding component.
- the adapter element in turn has
- the adapter element can be a one-part or multi-part adapter ring which is designed so that it can be attached, for example, around a burner tube or attached to it and clamped there by screwing can be fixed.
- a recess 22 can then be provided at at least one point in the adapter ring 20, which recess is shaped in such a way that it can receive a hanging section 12 of a carrier element 10 and can bring the carrier element into positive engagement with the adapter ring 20.
- the end region of the carrier element 10 and thus also the recess 22 can be designed with a uniform rectangular or flat cross section, or alternatively with a cross section that follows the curved circumference of the adapter ring, for example.
- the recess can be provided, for example, in an axial end face 24 of the adapter ring 20 and run essentially perpendicular to the ring axis, so that the suspended carrier element through its
- Weight causes the form fit.
- the recess 22 can also be at an angle ⁇ to the axis of the
- Adapter rings 20 run, as will be described in more detail in further embodiments, the angle should be smaller than 90 ° and preferably smaller than about 45 ° or smaller than 30 ° in order to ensure a secure form fit
- suspension section 12 of the carrier element 10 can then also run at an angle.
- the carrier element 10 shown in Fig. 1 is designed in the form of a simple strip-shaped angle.
- a carrier element 10 can be produced very simply by suitable forming processes from a strip-shaped piece of material, for example a sufficiently stable metal sheet, and therefore offers a particularly cost-effective production process.
- differently shaped carrier elements can also be used, which have the same fastening principle in a corresponding
- FIGS. 2 to 6 radial cross-sections through an adapter ring 20 in the area of one or more recesses 22 are shown by way of example, with Recesses correspondingly shaped carrier elements 10 can be introduced. It goes without saying that the features shown there by way of example
- Carrier elements or recesses which are provided integrally in burner holders or other components can be transferred.
- the elements can have other components such as fastening elements,
- FIG. 2 shows a radial cross section through an adapter element in the form of an adapter ring 20 which, as in FIG. 1, can be attached to a burner 40 or a holder, etc.
- the recess 22 for the carrier element is made here in the form of a vertical blind hole in the upper annular surface 24, that is to say in the surface which faces away from the burner nozzle during operation.
- the suitably shaped carrier element is hung with a curved end region 12 in the recess 22 so that a secure form fit is produced by the weight of the carrier element 10 and the nozzle 30 attached to it.
- connection can be released again by simply lifting the carrier element 10 in the opposite direction, and the gas nozzle 30 attached to the carrier element 10 can thus be changed quickly.
- the suspension section 12 is shown here as an angularly curved area with two essentially right-angled bends, but can also be curved or rounded, e.g. with U-shaped profile.
- the carrier element 10 comprises a nozzle section 16 for fastening a gas nozzle 30, in which, for example, integrated fastening means or receptacles for separate fastening means can be provided in order to fasten a gas nozzle to the carrier element.
- These can be openings for screws, clamping elements such as hose clamps, internal or external threads for receiving a correspondingly designed mating thread or other means.
- Support element 10 can be releasably or permanently rigidly fixed.
- the fastening means can also be designed so that different nozzle elements, for example with different diameters, or different fastening systems such as screws and clamp brackets can be connected to them.
- the nozzle section 16 of the carrier element 10 is no longer shown, but will of course be transferred to these examples.
- the shape and design of the nozzle section can also be designed differently than shown here, as long as the gas nozzle can be attached.
- Ring axis extending recess 22 is introduced in the end face 24 of the ring.
- the recess is designed as a through hole here.
- the corresponding suspension section 12 of the carrier element can then be made shorter than the hole or also longer, so that the suspended carrier element 12 depending on
- the extended length of the suspension section 12 can ensure a particularly stable fit.
- FIG. 4 shows an embodiment in which a recess 22 is also arranged in the axial end face 24, but is tilted outwards by an angle ⁇ with respect to the central axis of the ring 20.
- a recess 22 is also arranged in the axial end face 24, but is tilted outwards by an angle ⁇ with respect to the central axis of the ring 20.
- Such a design can simplify the insertion of the carrier element 12 into the recess and also offers a slight hold against the carrier element 10 being pushed out upwards, for example if the carrier element or the gas nozzle accidentally hit.
- the angle and the dimensions of the suspension section are preferably matched to one another in order to ensure a secure hold.
- FIG. 5 shows an embodiment in which a recess 22 is arranged in the outer peripheral surface 26 of the adapter ring 20.
- the recess is tilted at an angle ⁇ to the axis.
- a recess in the circumferential surface 26 offers advantages, for example, when there is only little space upwards along the ring axis (or the burner axis).
- such a recess can also easily be made in any other component with sufficient wall thickness, for example directly in a holder or casing of a welding torch.
- FIG. 6 shows an adapter ring 20 in which two recesses 22a, 22b configured as in FIG. 5 are attached one above the other. It goes without saying that the recesses do not have to be arranged directly one above the other, but can also be arranged offset over the circumference of the ring 20. On In this way, several holding options at different distances from the workpiece can be provided for the gas nozzle 30, which can also be carried out without moving the
- Adapter element 20 can be adjusted quickly and allow precisely defined dimensions. Significantly more than two recesses could be made along the axis of the burner and the nozzle position could be varied flexibly by hanging and unhooking the carrier element without having to move the adapter ring 20.
- a plurality of recesses 22 can also be arranged around the circumference of the adapter ring 20 in all the embodiments shown. In this way, the angle of the gas nozzle 30 to the processing area can be adjusted quickly, or the gas nozzle can be relocated for a short time in the case of special space conditions, especially during manual welding.
- recesses in the circumferential surface 26 and recesses in the end surface 24 can of course also be combined with one another as desired.
- Hanging section also include several separate areas.
- the end area of the carrier element could be designed in such a way that two or more separate hook arms engage in corresponding, matching recesses in the adapter ring.
- the recesses for these arms could be designed contiguously or individually.
- a wider or stepped adapter ring could also be used, which makes it possible to change the distance between the gas nozzle and the burner in a simple manner, even in the radial direction.
- several recesses spaced apart in the radial direction could be made on a wider adapter ring so that a suitably shaped suspension section with a sufficiently wide support surface can be suspended at different radii or distances from the burner axis.
- the suspension section should be designed for all embodiments in such a way that it can be suspended in the adapter ring in any intended position without risking the correct suspension and secure fit of the gas nozzle.
- the The upper area which adjoins the hook-in section 12 and, in embodiments as shown, for example, in FIGS. 2 and 3, comes to rest on the edge of the adapter ring, have a sufficient width.
- the width of this area can optionally also be used to define the distance between the attached gas nozzle and the burner.
- Form carrier element so for example with a corresponding
- Hanging section which is provided for hanging in the recesses as described above.
- the material for the carrier element 10 and the holding component 20 is suitable
- the suspension portion 12 help to fix the carrier element 10 more firmly in the recess 22 by clamping force.
- a corresponding recess can also be provided directly in the cover instead of an adapter element.
- a burner could already be equipped in one piece with a holding component that has at least one corresponding recess.
- Drag gas nozzle for secondary gas protection but also as a holder for a primary Shielding gas nozzle or active gas nozzle can be used and used for all types of torches or welding devices. It is also understood that the elements described, such as the adapter ring, do not necessarily have to be designed in the form of a ring, but rather, in particular, can be designed as desired in the free area outward.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Gas Burners (AREA)
- Arc Welding In General (AREA)
- Clamps And Clips (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19020349.7A EP3744464A1 (de) | 2019-05-28 | 2019-05-28 | Schnellwechselsystem für schutzgas-schleppdüsen |
| PCT/EP2020/025232 WO2020239254A1 (de) | 2019-05-28 | 2020-05-19 | Schnellwechselsystem für schutzgas-schleppdüsen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3976305A1 true EP3976305A1 (de) | 2022-04-06 |
Family
ID=66676158
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19020349.7A Withdrawn EP3744464A1 (de) | 2019-05-28 | 2019-05-28 | Schnellwechselsystem für schutzgas-schleppdüsen |
| EP20728671.7A Withdrawn EP3976305A1 (de) | 2019-05-28 | 2020-05-19 | Schnellwechselsystem für schutzgas-schleppdüsen |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19020349.7A Withdrawn EP3744464A1 (de) | 2019-05-28 | 2019-05-28 | Schnellwechselsystem für schutzgas-schleppdüsen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20220226941A1 (de) |
| EP (2) | EP3744464A1 (de) |
| CN (1) | CN113840683A (de) |
| BR (1) | BR112021022716A2 (de) |
| MX (1) | MX2021014060A (de) |
| WO (1) | WO2020239254A1 (de) |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0666874U (ja) * | 1993-02-24 | 1994-09-20 | 豊田鉄工株式会社 | 溶接トーチのサイドシールドガスノズル |
| WO2007005728A2 (en) * | 2005-07-01 | 2007-01-11 | L & P Property Management Company | Adjustable shelving system |
| JP5615586B2 (ja) * | 2010-04-16 | 2014-10-29 | 株式会社ダイヘン | アーク溶接用トーチ |
| US9498107B2 (en) * | 2010-08-06 | 2016-11-22 | Carefusion 2200, Inc. | Clamping system |
| CN201871857U (zh) * | 2010-11-29 | 2011-06-22 | 北京时代科技股份有限公司 | 保护拖罩 |
| DE102011106684A1 (de) * | 2011-07-06 | 2013-01-10 | Daimler Ag | Abluftabsaugung für eine Fugevorrichtung zum Schweißen oder Löten |
| US20130068745A1 (en) * | 2011-09-15 | 2013-03-21 | Lincoln Global | Gas shielding device for a welding system |
| FR3001088B1 (fr) * | 2013-01-11 | 2015-03-06 | Airbus Operations Sas | Dispositif de montage de systemes d'alimentation pour aeronef |
| JP5899127B2 (ja) * | 2013-01-15 | 2016-04-06 | 白光株式会社 | 自動半田付けユニット及び調整治具 |
| EP2784368A1 (de) * | 2013-02-19 | 2014-10-01 | Gary Sharpe | Multifunktionelle Klemme |
| CN104493360A (zh) * | 2014-12-04 | 2015-04-08 | 北京航星机器制造有限公司 | 激光柔性焊接焊缝气体保护装置 |
| CN104889628B (zh) * | 2015-06-17 | 2017-01-04 | 柯马(上海)工程有限公司 | 一种随行定位工装快速切换的自动化机构 |
| CN105171238A (zh) * | 2015-09-21 | 2015-12-23 | 洛阳鹏起实业有限公司 | 激光焊接气体保护装置 |
| CN205057296U (zh) * | 2015-10-27 | 2016-03-02 | 中国人民解放军装甲兵工程学院 | 一种厚板窄间隙激光焊接用气体保护装置 |
| CN109414780B (zh) * | 2016-06-24 | 2021-10-08 | 通快机床两合公司 | 具有耦合装置的用于在使用热加工射束的情况下加工工件的加工单元 |
| CN208246057U (zh) * | 2018-04-18 | 2018-12-18 | 西南交通大学 | 一种用于异种金属熔钎焊的气体保护及成型控制装置 |
-
2019
- 2019-05-28 EP EP19020349.7A patent/EP3744464A1/de not_active Withdrawn
-
2020
- 2020-05-19 MX MX2021014060A patent/MX2021014060A/es unknown
- 2020-05-19 BR BR112021022716A patent/BR112021022716A2/pt not_active Application Discontinuation
- 2020-05-19 US US17/595,484 patent/US20220226941A1/en not_active Abandoned
- 2020-05-19 EP EP20728671.7A patent/EP3976305A1/de not_active Withdrawn
- 2020-05-19 WO PCT/EP2020/025232 patent/WO2020239254A1/de not_active Ceased
- 2020-05-19 CN CN202080035618.5A patent/CN113840683A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20220226941A1 (en) | 2022-07-21 |
| WO2020239254A1 (de) | 2020-12-03 |
| BR112021022716A2 (pt) | 2021-12-28 |
| EP3744464A1 (de) | 2020-12-02 |
| CN113840683A (zh) | 2021-12-24 |
| MX2021014060A (es) | 2021-12-10 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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