WO2019244359A1 - エアーガウジング工具 - Google Patents
エアーガウジング工具 Download PDFInfo
- Publication number
- WO2019244359A1 WO2019244359A1 PCT/JP2018/023901 JP2018023901W WO2019244359A1 WO 2019244359 A1 WO2019244359 A1 WO 2019244359A1 JP 2018023901 W JP2018023901 W JP 2018023901W WO 2019244359 A1 WO2019244359 A1 WO 2019244359A1
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- WIPO (PCT)
- Prior art keywords
- gouging
- air
- power supply
- compressed air
- tool
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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
- B23K9/00—Arc welding or cutting
- B23K9/013—Arc cutting, gouging, scarfing or desurfacing
-
- 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
- B23K9/282—Electrode holders not supplying shielding means to the electrode
-
- 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
- B23K9/287—Supporting devices for electrode holders
Definitions
- the present invention relates to an air gouging tool which is used by being attached to a welding torch when performing a welding operation.
- an electric power is supplied from a gouging device to a gouging rod provided in a gouging torch, an arc is generated between the gouging rod and the base material using the gouging rod as an electrode, and the base material and the beads are melted by the arc heat. This is done by letting
- gouging including a step of blowing and removing a molten base material or bead from compressed air blown from a gouging torch along a gouging rod is referred to as air gouging.
- Patent Literature 1 On the other hand, the present inventors have proposed an air gouging tool disclosed in Patent Literature 1 in order to improve the working efficiency of welding work and reduce equipment costs.
- the air gouging tool can be attached to a welding torch, and power can be supplied to a gouging rod by bringing a power supply electrode into contact with a power supply tip of the welding torch. Then, the worker contacts the supplied gouging rod with the base material to generate an arc, thereby melting the base material and the beads by the arc heat, and further blowing the molten metal with compressed air from the compressor, Air gouging work can be performed. Further, the operator can easily perform replacement and replacement of the gouging rod by the attachment / detachment mechanism.
- the worker can use the welding torch for both welding work and gouging work, thereby improving the work efficiency of the welding work and reducing the equipment cost.
- the present invention has been made in view of the above-described situation, and provides an air gouging tool that can significantly improve the work efficiency of the air gouging work by adjusting the supply amount of compressed air at hand. That is the task.
- the present invention provides Equipped with a tool body that can be attached to the welding torch
- the tool main body includes a conductive portion provided with a power supply electrode capable of contacting a power supply tip of the welding torch, a detachable mechanism for detachably attaching a gouging rod, and a gas capable of injecting compressed air toward the tip of the gouging rod.
- an injection mechanism The conductive portion is configured such that the power supply chip and the gouging rod are conductively connected via the power supply electrode,
- the gas injection mechanism has an inflow section into which the compressed air flows, an injection port from which the compressed air is injected, a flow path communicating the inflow section with the injection port, and an opening degree of the flow path.
- Possible control valves are provided, The control valve is characterized in that a valve body formed inside the flow path and an operation unit for controlling a rotation operation of the valve body are formed.
- control valve is provided in the gas injection mechanism, an operator can freely adjust the supply amount of compressed air at hand, and greatly improves the work efficiency of the air gouging work. It becomes possible.
- the operation unit is a rotary knob, and the operation unit is provided with a locking projection that restricts a rotation operation of the operation unit within a predetermined angle range.
- the gas injection mechanism is provided with a joint portion detachably attached to the inflow portion and extending the flow path, and the control valve is formed in the joint portion. It is characterized by.
- the worker can use the joint unit alone as an air blow gun when performing general air blowing work in addition to air gouging work, so that the versatility of the air gouging tool according to the present invention is improved. Greatly improved.
- the gas injection mechanism is provided with a plurality of injection ports.
- the detachable mechanism is provided with a movable member that sandwiches and holds the gouging rod, and the movable member includes a screw mechanism in which a male screw portion and a female screw portion are formed. I do.
- a dish portion is formed at a tip of the male screw portion, and a diameter of the dish portion is larger than a screw diameter of the male thread portion.
- the present invention it is possible to provide an air gouging tool in which the supply amount of compressed air can be adjusted at hand, thereby greatly improving the efficiency of air gouging work.
- FIG. 1 is a schematic perspective view of an air gouging tool according to an embodiment of the present invention. It is a figure showing a tool main part of an air gouging tool concerning an embodiment of the present invention. It is a figure showing the tool main part of the air gouging tool concerning the embodiment of the present invention. It is a figure showing the joint part of the air gouging tool concerning the embodiment of the present invention. It is a figure showing the joint part of the air gouging tool concerning the embodiment of the present invention. It is a figure showing the usage of the air gouging tool concerning the embodiment of the present invention. It is a figure showing the usage of the air gouging tool concerning the embodiment of the present invention.
- reference numeral 1 indicates an air gouging tool according to the present embodiment.
- FIG. 1 is a schematic perspective view of the air gouging tool 1, (a) The schematic perspective view at the time of attaching the joint part S to the tool main body 11, (b) At the time of detaching the joint part S from the tool main body 11.
- FIG. It is an outline perspective view of.
- the air gouging tool 1 includes a tool main body 11, and a power supply electrode 11a1 (see FIG. 3) capable of contacting a power supply tip T2 (see FIG. 6) of a welding torch T (see FIG. 6).
- a conductive portion 11a provided, a detachable mechanism 11b capable of attaching and detaching the gouging rod G (see FIG. 6), and a gas ejecting mechanism 11c capable of injecting the compressed air C (see FIG. 7) toward the tip of the gouging rod G. ,have.
- the conductive portion 11a is configured such that the power supply tip T2 and the gouging bar G are conductively connected via the power supply electrode 11a1.
- FIG. 3 the injection port O is indicated by a dotted line.
- the male screw portion m and the operation portion w are not shown in a cross section.
- the conductive portion 11a has two power supply electrodes 11a1 and two substantially cylindrical cover portions 11a2. More specifically, the cover portion 11a2 is attachable to a welding torch T having a nozzle T1 (see FIG. 6), and is substantially perpendicular to the first cover portion a21 that can be fitted over the nozzle T1. And a second cover section a22 connected to the second cover section a22.
- the power supply electrode 11a1 is formed by a first power supply electrode a11 provided inside the first cover part a21, and a second power supply electrode a12 provided inside the second cover part a22 and in contact with the first power supply electrode a11. Have been.
- the power supply electrode 11a1 is preferably made of a conductive material such as copper, aluminum, or a brass material that is an alloy of copper and zinc.
- a thermosetting resin such as a polyacetal resin, a phenol resin, a melamine resin, and a urea resin is suitably used as the heat-resistant material for the cover 11a2.
- the attachment / detachment mechanism 11b is provided with an insertion hole 11b1 through which the gouging bar G is inserted, and a movable member 11b2 capable of holding the gouging bar G therebetween.
- the movable member 11b2 includes a screw mechanism B provided with a male thread m and a female thread f.
- the movable member 11b2 is provided at the plate d provided at the distal end of the male screw m and at the base end of the male screw m so as to easily perform the rotation operation of the male screw m. Part w.
- the diameter D2 of the dish portion d is larger than the thread diameter D1 of the male screw portion m.
- the gas injection mechanism 11c is connected to a joint S and an air hose H of a compressor (see FIG. 6), and has an inflow portion I into which the compressed air C flows, an injection port O into which the compressed air C is injected, and an inflow port O into which the compressed air C is injected.
- a channel R for communicating the portion I with the injection port O is provided.
- FIG. 4B is a sectional view taken along line YY ′ of FIG. Further, the joint section main body S1 and the operation section A2 are not shown in cross section.
- the joint portion S is connected to a joint portion main body S1 connected to the inflow portion I, a substantially hexagonal column-shaped adjusting portion S2 provided with the adjusting valve A, and an air hose H of the compressor. And a connection portion S3.
- the control valve A is provided with a valve element A1 formed inside the control section S2 and the flow path R, and an operation section A2 for controlling the rotation operation of the valve element A1.
- a through hole r is formed in the valve body A1.
- the operation portion A2 is a rotary knob, and includes a substantially cylindrical shaft portion A2a connected to the valve body A1, and a knob portion A2b protruding from the shaft portion A2a in the flow direction of the flow path R. ing.
- the operation part A2 is provided with a locking projection P for restricting the rotation of the operation part A2 within a range of a predetermined angle.
- the locking projection P is provided to protrude from the operation unit A2 in a direction substantially perpendicular to the flow direction of the flow path R, and when the flow path R is in the open state and the closed state, one of the adjustment parts S2 is provided. It is configured to contact the side surface.
- the operator rotates the knob A2b clockwise from a state in which the projecting direction of the knob A2b and the flow direction of the flow path R are substantially parallel, as shown in FIG. 5A. From the state, the state shown in FIG. That is, the worker sets the direction in which the knob A2b protrudes and the direction in which the flow path R flows substantially perpendicularly. By doing so, the flow direction of the flow path R and the direction of penetration of the through-hole r become perpendicular, and the flow path R changes from a completely open state to a completely closed state. At this time, the first locking surface P1 of the locking projection P abuts one side surface of the adjusting portion S2, and the operator further rotates the adjusting valve A clockwise from the state shown in FIG. You can not let it.
- the flow direction of the flow path R matches the penetration direction of the through hole r, and the flow path R changes from a completely closed state to a completely open state.
- the second locking surface P2 of the locking projection P abuts on one side surface of the adjusting portion S2, and the operator further moves the adjusting valve A counterclockwise from the state shown in FIG. It cannot be rotated.
- the rotation of the control valve A is restricted to a range of 90 degrees by the locking projection P.
- the joint portion main body S1 is a general plug-in type one-touch joint, and an operator can easily attach and detach the joint portion S to and from the inflow portion I by a detaching mechanism (not shown) provided inside. Can be.
- the cover 11a1, the inflow section I, the operation section w, and the joint section S are covered with an insulating material.
- an insulating material for example, alumite processing can be mentioned.
- FIG. 6B is a partially enlarged view of FIG.
- the injection port O and a part of the flow path R are indicated by dotted lines.
- 6 (a) and 6 (b) among the constituent members of the welding torch T, only the nozzle T1 and the power supply tip T2 are shown in cross section.
- the worker attaches the tool main body 11 to the welding torch T, brings the first power supply electrode a11 into contact with the power supply tip T2 of the welding torch T, and connects the welding wire W from a wire feeding device (not shown). Stop feeding.
- the welding torch T is used in a semi-automatic welding machine (not shown), and a nozzle T1 and a power supply tip T2 are provided at its tip, and a feed hole through which the welding wire W can be supplied is provided in the power supply tip T2. T3 is formed.
- the worker attaches the gouging rod G to the attachment / detachment mechanism 11b. More specifically, the operator inserts the gouging rod G into the insertion hole 11b1 and rotates the male screw part m by the operation unit w, thereby connecting the gouging rod G to the inner peripheral surface of the dish part d and the insertion hole 11b1. And tightly close.
- the worker supplies power from the welding power supply device (not shown) to the power supply tip T2 of the welding torch T. In this way, power is supplied to the gouging rod G via the power supply electrode 11a1.
- the worker connects the air hose H to the connection portion S3 of the joint portion S, and operates the operation portion A2 of the control valve A so that the flow path R is opened.
- the compressed air C from the compressor passes through the flow path R from the inflow section I and flows out of the injection port O, and is injected toward the tip of the gouging rod G.
- the operator can bring the gouging rod G into contact with the base material Z and generate arc heat as shown in FIG.
- the compressed air C is indicated by a dashed line.
- the operator can blow off the molten metal by the compressed air C injected toward the tip of the gouging rod G while melting the base material and the weld bead by the arc heat, so that the air gouging work is good. It is possible to do it.
- control valve A is provided in the gas injection mechanism 11c, the operator can freely adjust the supply amount of the compressed air C at hand, thereby improving the work efficiency of the air gouging work. It is possible to greatly improve.
- the versatility of the air gouging tool 1 is greatly improved.
- the mass of the compressed air C injected to the tip of the gouging rod G increases and stabilizes, so that the operator can blow off the molten metal in the air gouging. Can be performed more efficiently.
- the screw mechanism B provided with the male screw portion m and the female screw portion f allows the operator to easily attach and detach the gouging rod G.
- the worker can prevent the gouging rod G from being broken while preventing the gouging rod G from breaking.
- the rod G can be firmly fixed to the attachment / detachment mechanism 11b.
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Abstract
Description
そして、作業者は、給電されたガウジング棒を母材に接触させアークを発生させることで、アーク熱により母材やビードを溶融し、さらに、溶融金属をコンプレッサーからの圧縮空気で吹き飛ばすことにより、エアーガウジング作業を行うことができる。
また、作業者は、着脱機構により、ガウジング棒の取り替え交換を容易に行うことができる。
溶接用トーチに取付可能な工具本体を備え、
前記工具本体は、溶接用トーチの給電チップに接触可能な給電電極が設けられた導電部と、ガウジング棒を着脱可能な着脱機構と、圧縮空気を前記ガウジング棒の先端に向けて噴射可能な気体噴射機構と、を有し、
前記導電部は、前記給電チップと前記ガウジング棒が前記給電電極を介して導電可能に接続するように構成され、
前記気体噴射機構には、前記圧縮空気が流入する流入部と、前記圧縮空気が噴射される噴射口と、前記流入部と前記噴射口を連通させる流路と、前記流路の開度を調節可能な調節弁が設けられ、
前記調節弁には、前記流路の内部に形成された弁体と、前記弁体の回転動作を制御する操作部と、が形成されていることを特徴とする。
なお、以下に示す実施形態は本発明の一例であり、本発明を以下の実施形態に限定するものではない。また、これらの図において、符号1は、本実施形態に係るエアーガウジング工具を示す。
なお、図3において、噴射口Oは点線で示している。また、図3において、雄ねじ部m及び操作部wは、断面で示されていない。
詳述すれば、カバー部11a2は、ノズルT1(図6参照)を有する溶接用トーチTに取付可能であり、ノズルT1に外嵌可能な第一カバー部a21と、第一カバー部に略垂直に連結される第二カバー部a22と、により形成されている。給電電極11a1は、第一カバー部a21の内部に設けられる第一給電電極a11と、第二カバー部a22の内部に設けられ、第一給電電極a11に接触する第二給電電極a12と、により形成されている。
なお、給電電極11a1には、導電性材料として、銅やアルミニウム、銅と亜鉛の合金である真鍮材等が好適に用いられる。また、カバー部11a2には、耐熱性材料として、ポリアセタール樹脂、フェノール樹脂、メラミン樹脂、ユリア樹脂等の熱硬化性樹脂が好適に用いられる。
可動部材11b2は、雄ねじ部mと雌ねじ部fとが設けられたねじ機構Bを含んでいる。また、可動部材11b2は、ねじ機構Bの他に、雄ねじ部mの先端に設けられた皿部d、雄ねじ部mの基端に設けられ、雄ねじ部mの回転動作を容易に行うための操作部wを含んでいる。
皿部dの直径D2は、雄ねじ部mのねじ径D1よりも大径である。
なお、図4(b)は、図4(a)のYY´線断面図である。また、継手部本体S1及び操作部A2は、断面で示されていない。
また、操作部A2には、操作部A2の回転動作を所定の角度の範囲内に拘束する係止突起Pが設けられている。
このようにすることで、流路Rの流れ方向と貫通孔rの貫通方向とが垂直となり、流路Rは、完全な開状態から完全な閉状態となる。また、このとき、係止突起Pの第一係止面P1が調節部S2の一側面に当接し、作業者は、図5(b)に示す状態から、さらに調節弁Aを時計回りに回転させることができなくなる。
なお、図6(b)は、図6(a)の部分拡大図である。また、図6(a)において、噴射口O及び流路Rの一部は点線で示している。また、図6(a)及び(b)において、溶接用トーチTの構成部材の内、ノズルT1及び給電チップT2のみが断面で示されている。
なお、溶接用トーチTは、半自動溶接機(図示せず)に用いられ、その先端にはノズルT1及び給電チップT2が設けられ、給電チップT2には溶接ワイヤWを送給可能な送給孔T3が形成されている。
詳述すれば、作業者は、ガウジング棒Gを、挿通孔11b1に挿通させ、操作部wにより雄ねじ部mを回転させることで、ガウジング棒Gを、皿部dと挿通孔11b1の内周面とで狭着させる。
なお、圧縮空気Cは、一点鎖線で示している。
11 工具本体
11a 導電部
11a1 給電電極
a11 第一給電電極
a12 第二給電電極
11a2 カバー部
a21 第一カバー部
a22 第二カバー部
11b 着脱機構
11b1 挿通孔
11b2 可動部材
B ねじ機構
m 雄ねじ部
d 皿部
w 操作部
f 雌ねじ部
11c 気体噴射機構
I 流入部
O 噴射口
R 流路
S 継手部
S1 継手部本体
S2 調節部
S3 接続部
A 調節弁
A1 弁体
r 貫通孔
A2 操作部
A2a 軸部
A2b 摘まみ部
P 係止突起
P1 第一係止面
P2 第二係止面
T 溶接用トーチ
T1 ノズル
T2 給電チップ
T3 送給孔
W 溶接ワイヤ
G ガウジング棒
C 圧縮空気
H エアーホース
Z 母材
Claims (6)
- 溶接用トーチに取付可能な工具本体を備え、
前記工具本体は、溶接用トーチの給電チップに接触可能な給電電極が設けられた導電部と、ガウジング棒を着脱可能な着脱機構と、圧縮空気を前記ガウジング棒の先端に向けて噴射可能な気体噴射機構と、を有し、
前記導電部は、前記給電チップと前記ガウジング棒が前記給電電極を介して導電可能に接続するように構成され、
前記気体噴射機構には、前記圧縮空気が流入する流入部と、前記圧縮空気が噴射される噴射口と、前記流入部と前記噴射口を連通させる流路と、前記流路の開度を調節可能な調節弁が設けられ、
前記調節弁には、前記流路の内部に形成された弁体と、前記弁体の回転動作を制御する操作部と、が形成されていることを特徴とするエアーガウジング工具。 - 前記操作部は、回転摘まみであり、
前記操作部には、前記操作部の回転動作を所定の角度の範囲内に拘束する係止突起が設けられていることを特徴とする、請求項1に記載のエアーガウジング工具。 - 前記気体噴射機構には、前記流入部に着脱可能に取付けられ、前記流路を延長する継手部が設けられ、
前記調節弁は、前記継手部に形成されていることを特徴とする、請求項1又は2に記載のエアーガウジング工具。 - 前記気体噴射機構には、噴射口が複数設けられていることを特徴とする、請求項1~3の何れかに記載のエアーガウジング工具。
- 前記着脱機構には、前記ガウジング棒を挟着保持する可動部材が設けられ、
前記可動部材は、雄ねじ部と雌ねじ部とが形成されたねじ機構を含むことを特徴とする、請求項1~4の何れかに記載のエアーガウジング工具。 - 前記雄ねじ部の先端には、皿部が形成され、
前記皿部の直径は、前記雄ねじ部のねじ径よりも大径であることを特徴とする、請求項5に記載のエアーガウジング工具。
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PCT/JP2018/023901 WO2019244359A1 (ja) | 2018-06-22 | 2018-06-22 | エアーガウジング工具 |
JP2020525215A JP7048119B2 (ja) | 2018-06-22 | 2018-06-22 | エアーガウジング工具 |
KR1020207018123A KR102345278B1 (ko) | 2018-06-22 | 2018-06-22 | 에어 가우징 공구 |
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Cited By (1)
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KR102295806B1 (ko) * | 2020-06-15 | 2021-08-31 | 박진만 | 자동 가우징작업용 가우징토치 |
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JP5645180B1 (ja) * | 2013-12-04 | 2014-12-24 | 株式会社Kme | エアーガウジング工具 |
WO2015121951A1 (ja) * | 2014-02-13 | 2015-08-20 | 三菱日立製鉄機械株式会社 | 板曲げ中空ロールの製造方法並びに板曲げ中空ロールおよび鋼板製造プロセス装置 |
JP2016196027A (ja) * | 2015-04-06 | 2016-11-24 | 株式会社ダイヘン | 溶接用電源装置およびその制御方法 |
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JPS57156284U (ja) * | 1981-03-25 | 1982-10-01 | ||
JPS58185373U (ja) * | 1982-05-31 | 1983-12-09 | 三菱電機株式会社 | 管内面溶接用ト−チ |
JP6122978B2 (ja) * | 2016-01-29 | 2017-04-26 | シャープ株式会社 | 水浄化装置 |
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2018
- 2018-06-22 WO PCT/JP2018/023901 patent/WO2019244359A1/ja active Application Filing
- 2018-06-22 JP JP2020525215A patent/JP7048119B2/ja active Active
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JPS4918725Y1 (ja) * | 1969-01-20 | 1974-05-20 | ||
JPS4919032U (ja) * | 1972-05-25 | 1974-02-18 | ||
JPS5640783U (ja) * | 1979-09-07 | 1981-04-15 | ||
JPS5780052U (ja) * | 1980-11-04 | 1982-05-18 | ||
JPS6427781A (en) * | 1987-07-22 | 1989-01-30 | Hitachi Ltd | Gouging long torch |
JP5645180B1 (ja) * | 2013-12-04 | 2014-12-24 | 株式会社Kme | エアーガウジング工具 |
WO2015121951A1 (ja) * | 2014-02-13 | 2015-08-20 | 三菱日立製鉄機械株式会社 | 板曲げ中空ロールの製造方法並びに板曲げ中空ロールおよび鋼板製造プロセス装置 |
JP2016196027A (ja) * | 2015-04-06 | 2016-11-24 | 株式会社ダイヘン | 溶接用電源装置およびその制御方法 |
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KR102295806B1 (ko) * | 2020-06-15 | 2021-08-31 | 박진만 | 자동 가우징작업용 가우징토치 |
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JPWO2019244359A1 (ja) | 2021-03-11 |
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