WO2006093303A1 - 電極チップ整形装置及び電極チップ整形工具 - Google Patents
電極チップ整形装置及び電極チップ整形工具 Download PDFInfo
- Publication number
- WO2006093303A1 WO2006093303A1 PCT/JP2006/304188 JP2006304188W WO2006093303A1 WO 2006093303 A1 WO2006093303 A1 WO 2006093303A1 JP 2006304188 W JP2006304188 W JP 2006304188W WO 2006093303 A1 WO2006093303 A1 WO 2006093303A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaping
- electrode tip
- tip
- tool
- shaping tool
- Prior art date
Links
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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3063—Electrode maintenance, e.g. cleaning, grinding
Definitions
- the present invention relates to an electrode tip shaping device and an electrode tip shaping tool in spot welding (resistance welding).
- the tip of the electrode tip is exposed to high temperature under high pressure when energized. Therefore, in the spot welder, the tip of the electrode tip is crushed every time power is supplied, and the diameter of the flat portion at the tip of the electrode tip is increased.
- spot welding resistance welding
- the welding current is increased every time the electrode tip is energized, and the current density of the welding current energized to the workpiece joint is kept constant.
- spot welding resistance welding
- the workpiece is often subjected to surface treatment such as zinc plating, and when spot welding is continuously performed on the surface-treated workpiece, A surface treatment material such as zinc melted by heat generated during energization may adhere to the tip of the electrode tip and the workpiece and the tip of the tip may be welded. Therefore, in spot welding (resistance welding), every time, for example, 50-point welding is performed, the tip of the electrode tip is shaped (dress: i), so that the tip of the electrode tip and the workpiece are aligned.
- the welding gun is positioned at the electrode tip shaping position each time a predetermined number of times welding is performed, and the electrode chip shaping device is used to generate electrodes.
- the tip of the electrode tip is shaped by shaping the tip of the electrode tip by rotating the shaping tool of the electrode tip shaping device (see, for example, Patent Document 1) with an electric motor. This is done by pressing the tip of the electrode tip and cutting the tip of the electrode tip with a shaping tool.
- a cutting allowance of at least 0.2 mm is required.
- FIG. 9 there is a conventional electrode tip shaping device 1 in which the shaping tool 2 is changed from a type that is shaped by cutting to a type that is shaped by plastic deformation.
- the tip of the electrode tip is plastically deformed by rotating the shaping tool 2 around the axis of the electrode tip while the tip of the electrode tip and the shaping tool 2 are in contact with each other. Shaped into shape.
- Patent Document 1 Japanese Patent Laid-Open No. 1 1 7 7 3 3 1
- a first object is to provide an electrode tip shaping device in which the rotational driving force of the shaping tool is reduced and the device is miniaturized.
- the second object is to provide an electrode tip shaping tool for an electrode tip shaping device in which the rotational driving force of the shaping tool is reduced and the shaping device is miniaturized.
- the invention according to claim 1 of the present invention is such that the tip of the electrode tip is pressed against the shaping tool arranged radially, and the shaping tool is rotated around the axis of the electrode tip in this state.
- the electrode tip tip is plastically deformed and shaped into a predetermined shape by the relative movement of the tip of the electrode tip and the shaping portion of the shaping tool, and the shaping tool is the electrode tip.
- the shaping tool is shaped so that the amount of shaping work done at the tip is uniform over the entire area from the rotation center to the outside of the shaping tool.
- the shaping tool having the shaping portion formed in the same shape is equally arranged around the rotation center of the shaping tool, and the shaping tool Therefore, the contact width of the shaping part with the tip of the electrode tip is adjusted so that the shaping work performed at the tip of the electrode tip is uniform over the entire shaping part from the rotation center of the shaping tool to the outside. It is characterized by that.
- the invention according to claim 3 is the electrode tip shaping device according to claim 1, wherein the main shaping tool for shaping the tip of the electrode chip from the center of the electrode tip to the outside, and the main shaping tool And a correction shaping tool arranged so as to cancel out the deviation of the shaping work amount thus formed.
- the invention according to claim 4 of the present invention is arranged in a radial pattern on the electrode tip shaping device, and the tip of the electrode tip is pressed against the shaping portion.
- An electrode tip shaping tool that is rotated around the axis of the tape and the electrode tip tip and the shaping portion are moved relative to each other to plastically deform the electrode tip tip into a predetermined shape.
- the contact width of the shaping part with the tip of the electrode tip is adjusted so that the amount of shaping work done is uniform over the entire shaping part from the rotation center of the shaping tool to the outside.
- the excessive shaping work amount during shaping is reduced, and the rotational driving force of the shaping tool holder is reduced.
- the shaping work performed by the shaping tool is uniform throughout the shaping section, and the excessive shaping work during shaping is reduced, and the rotational driving force of the shaping tool is reduced.
- the shaping work performed by the shaping tool is reduced. Uniform throughout the shaping section, reducing the amount of extra shaping work during shaping and reducing the rotational driving force of the shaping tool.
- the shaping work performed by the shaping tool is uniform throughout the shaping section, and the excessive shaping work during shaping is reduced, and the rotational driving force of the shaping tool is reduced.
- FIG. 1 is an explanatory diagram of the present electrode tip shaping device, showing the arrangement of shaping tools arranged in a shaping head.
- FIG. 2 is a perspective view of the present electrode chip shaping device.
- FIG. 3 is an explanatory diagram of the present electrode chip shaping device, showing the state during shaping.
- FIG. 4 is an explanatory diagram of the electrode tip shaping device, in which (a) is an enlarged view showing an AA cross section in FIG. 1, and (b) is an enlarged view showing a B_B cross section in FIG. is there.
- FIG. 5 is an explanatory view of the present electrode tip shaping device, showing the relationship between the distance from the rotation center of the shaping tool and the shaping work amount in the present electrode tip shaping device and the conventional electrode tip shaping device. It is.
- FIG. 6 is an explanatory diagram of an electrode tip shaping device according to another embodiment, and is a diagram showing an arrangement of shaping tools arranged in a shaping head.
- FIG. 7 is an explanatory diagram of an electrode tip shaping device according to another embodiment, in which (a) is an enlarged view showing a cross section EE in FIG. 6, and (b) is a cross section of FF in FIG. (C) is an enlarged view showing a GG cross section in FIG.
- FIG. 8 is an explanatory diagram of an electrode tip shaping device according to another embodiment, and is a diagram showing an arrangement of shaping tools arranged in a shaping head.
- FIG. 9 is an explanatory view of a conventional electrode tip shaping device, and the shaping chip disposed in the shaping head. It is a figure which shows arrangement
- FIG. 10 is an explanatory diagram of a conventional electrode tip shaping device, where (a) is an enlarged view showing a CC cross section in FIG. 9, and (b) is an enlarged view showing a DD cross section in FIG. is there.
- 1 electrode tip shaping device 2 shaping tool, 4 shaping part, 5 electrode tip tip, 6 electrode tip
- the present electrode tip shaping device 1 includes a shaping tool holder 3 in which a plurality of (in this embodiment, four) shaping tools 2 are arranged radially, and each shaping tool With the electrode tip tip 5 in contact with the shaping portion 4 of 2, the shaping tool holder 3 is driven to rotate around the axis of the electrode tip 6, and the electrode tip tip 5 and the shaping portion 4 of each shaping tool 2 are connected. By relative movement, the electrode tip tip 5 is plastically deformed and shaped into a predetermined shape.
- the electrode chip shaping device 1 has a frame 7 formed in a substantially E shape, and is arranged between the opposing plates 8 and 9 of the frame 7 in parallel to each other.
- a pair of in-house rails 10 is provided. Then, the electrode tip shaping device 1 is configured such that the shaping head 11 is guided in the vertical direction as viewed in FIG. 2 by the pair of guide rails 10, and the tip of the shaping head 11 is The orthopedic tool holder 3 is rotatably mounted.
- the electrode tip shaping device 1 includes a shaping tool driving motor 12 in the shaping head 11, and the shaping tool holder 3 is rotated by the shaping tool driving motor 12 via a reduction mechanism.
- Each shaping tool 2 is configured to be rotated by being driven.
- the electrode tip shaping device 1 has a compression coil spring 13 attached to a pair of guide rails 10 between the shaping head 1 1 and each plate, and the shaping head 1 1 By being guided and moved by a pair of inner rails 10, each compression coil spring 13 is expanded and contracted, and the impact when the tip of the electrode tip 5 force S abuts against each shaping tool 2 is absorbed. It has a structure.
- the shaping tool holder 3 is formed in a substantially cylindrical shape, and a bowl-shaped hole 14 (see FIG.
- the shaping tool holder 3 accommodates the shaping tool 2.
- the shaping tool storage portions 15 to be provided are equally distributed at a plurality of locations (four locations in the present embodiment) around the axis.
- the shaping tool 2 is formed of a hard wear-resistant material, and as shown in FIG.
- the shaping part 4 that comes into contact with the tip 5 of the electrode tip extends radially outward from the center of the shaping tool holder 3 (the rotation center of the shaping tool 2).
- the shaping part 4 of the shaping tool 2 is formed into a bowl-shaped curved surface, and the radii of curvature R 1, R 2 ( R 1> R 2) is adjusted so that the contact width of the shaping part 4 with the tip 5 of the electrode tip 5 is adjusted from the center of the electrode tip 6 to the outside, so that the amount of shaping work performed by the shaping tool 2 is reduced.
- the structure is uniform throughout the shaping section 4.
- the contact width of the shaping part 4 is constant from the center of the electrode tip 6 to the outside (the curvature radius R of the shaping part 4 is constant from the rotation center of the shaping tool 2 to the outside).
- the peak value P 1 of the shaping work amount in the shaping unit 4 is approximately at the center when the shaping tool 2 is hung outward from the rotation center. Therefore, in this electrode tip shaping device 1, the curvature radius R2 of the front and rear portions is small around the distance L1 where the shaping work amount of the shaping portion 4 reaches the peak value compared to the conventional electrode tip shaping device 1.
- the contact width between the shaping part 4 and the tip 5 of the electrode tip 5 is narrowed, so that the shaping work performed by the shaping tool 2 is applied outward from the rotation center of the shaping tool 2 and the entire area of the shaping part 4 It is configured to be uniform.
- the operation of the electrode tip shaping device 1 will be described.
- the tip 5 of the electrode tip is pressed against each shaping tool 2 mounted on the shaping tool holder 3 of the shaping head 11 by the pressure of spot welding (resistance welding).
- spot welding resistance welding
- the electrode tip tip 5 and the shaping portion 4 of each shaping tool 2 are moved relative to each other.
- the tip of electrode tip 5 is plastically deformed and shaped into a predetermined shape by the energy of friction generated between shaping parts 4 of each shaping tool 2 (the shaping work amount of shaping tool 2 on tip 5 of electrode tip). .
- the radius of curvature of the shaping portion 4 of each shaping tool 2 is adjusted so that the tip 5 of the electrode tip and each The contact width of the shaping tool 2 with the shaping part 4 is adjusted.
- the amount of shaping work performed by each shaping tool 2 is uniform over the entire shaping portion 4 from the rotation center of the shaping tool 2 to the outside, and excessive shaping is performed.
- the amount of work (work done by the shaping tool 2 on the electrode tip 5) is reduced, and the electrode tip 5 is plastically deformed and shaped into a predetermined shape with the minimum amount of shaping work.
- This embodiment has the following effects.
- the radius of curvature of the shaping portion 4 of the shaping tool 2 is adjusted so that the contact width between the tip 5 of the electrode tip and the shaping portion 4 of the shaping tool 2 is outward from the rotation center of the shaping tool 2.
- the amount of shaping work performed by the shaping tool 2 is uniform over the entire shaping portion 4 when hung outward from the rotation center of the shaping tool 2.
- the electrode tip shaping device 1 there is no loss due to excessive shaping work, and the electrode tip tip 5 is shaped with the minimum necessary shaping work. Thereby, the rotational driving force of the shaping tool 2 is reduced, and the shaping tool driving motor 12 and the electrode tip shaping device 1 can be labor-saving and downsized.
- the embodiment is not limited to the above, and may be configured as follows, for example.
- the shaping tool 2 of the conventional electrode tip shaping device 1 When the amount of shaping work performed by the shaping tool 2 of the conventional electrode tip shaping device 1 (see FIGS. 9 and 10) increases from the rotation center of the shaping tool 2 to the outside with a substantially constant inclination. As shown in Fig. 6, the shaping tool 2 is formed so that the curvature radius of the shaping portion 4 is reduced outwardly from the rotation center of the shaping tool 2 (in Fig. 7, R 5> R 6 > R 7)
- the electrode tip shaping device 1 may be configured by arranging the shaping tools 2 radially.
- the shaping work done by the shaping tool 2 is uniform over the entire shaping part 4 from the rotation center of the shaping tool 2 to the outside, which is compared with the conventional electrode tip shaping device 1.
- the loss due to excessive shaping work is reduced, and the tip 5 of the electrode tip is shaped with the minimum necessary shaping work.
- the rotational driving force of the shaping tool 2 is reduced, and the shaping tool driving motor 12 and the electrode tip shaping device 1 can be labor-saving and downsized.
- the shaping tool 2 of the conventional electrode tip shaping device 1 (see FIGS. 9 and 10).
- the main shaping tool that shapes the electrode tip tip 5 by applying the center force of the electrode tip 5 to the outside. 2 a and a correction shaping tool 2 b arranged so as to be biased toward the rotation center side of the shaping tool 2 so that the shaping work amount deviation made by the main shaping tool 2 a is canceled out. May be arranged radially to constitute the electrode tip shaping device 1.
- the deviation of the shaping work of the shaping part 4 of the main shaping tool 2a is corrected by the correction shaping tool 2b, and the shaping work performed by the shaping tool 2 during shaping is It is uniform over the entire area of the shaping part 4 extending from the center of rotation to the outside, and compared with the conventional electrode tip shaping device 1, the loss due to the extra shaping work being reduced is reduced, and the required minimum
- the tip 5 of the electrode tip is shaped with a limited amount of shaping work.
- the rotational driving force of the shaping tool 2 is reduced, and the shaping tool driving motor 12 and the electrode tip shaping device 1 can be labor-saving and downsized.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Milling Processes (AREA)
- Primary Cells (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/885,376 US8739591B2 (en) | 2005-03-01 | 2006-02-28 | Electrode tip dressing apparatus and tool used therefor |
EP06715247.0A EP1854575B1 (en) | 2005-03-01 | 2006-02-28 | Electrode tip shaping device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005056174A JP4893906B2 (ja) | 2005-03-01 | 2005-03-01 | 電極チップ整形装置及び電極チップ整形工具 |
JP2005-056174 | 2005-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006093303A1 true WO2006093303A1 (ja) | 2006-09-08 |
Family
ID=36941333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/304188 WO2006093303A1 (ja) | 2005-03-01 | 2006-02-28 | 電極チップ整形装置及び電極チップ整形工具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8739591B2 (ja) |
EP (1) | EP1854575B1 (ja) |
JP (1) | JP4893906B2 (ja) |
CN (1) | CN100528450C (ja) |
WO (1) | WO2006093303A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012250282A (ja) * | 2011-06-07 | 2012-12-20 | Toyota Motor Corp | 溶接用の電極チップの整形工具、およびその整形装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010188366A (ja) * | 2009-02-17 | 2010-09-02 | Tne:Kk | 電極チップ再生装置 |
FR2952562B1 (fr) * | 2009-11-13 | 2011-12-16 | Quertech Ingenierie | Procede de traitement par un faisceau d'ions d'un plot de soudage et procede de soudage mettant en oeuvre un tel plot de soudage |
JP5673326B2 (ja) * | 2011-04-22 | 2015-02-18 | トヨタ自動車株式会社 | 電極チップ整形装置および電極チップ整形方法 |
JP7257089B2 (ja) * | 2019-03-29 | 2023-04-13 | ダイハツ工業株式会社 | 溶接電極の研磨方法及び研磨装置 |
CN113770498B (zh) * | 2021-08-30 | 2023-10-27 | 东风模具冲压技术有限公司 | 一种加工尺寸可调的电极端面修磨装置 |
CN114054584B (zh) * | 2021-11-04 | 2024-03-15 | 武汉奥绿新生物科技股份有限公司 | 一种快换管状零件压握机构 |
CN115971859B (zh) * | 2022-12-26 | 2024-05-17 | 广州明珞装备股份有限公司 | 电极帽的拆帽修整一体机 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61103682A (ja) * | 1984-10-24 | 1986-05-22 | Toyota Motor Corp | スポツト溶接用電極整形方法 |
JPH1177331A (ja) | 1997-09-04 | 1999-03-23 | Kiyokutoo:Kk | スポット溶接の電極研磨用カッター |
JP2005000945A (ja) * | 2003-06-11 | 2005-01-06 | Toyota Motor Corp | 電極チップ整形方法及び電極チップ整形具 |
JP2005014019A (ja) | 2003-06-24 | 2005-01-20 | Toyota Motor Corp | 電極チップ整形装置及び電極チップの整形不良検出構造並びに電極チップの整形不良検出方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0244949Y2 (ja) * | 1986-01-24 | 1990-11-28 | ||
US4892448A (en) * | 1988-08-23 | 1990-01-09 | Hoch Norman J | Cutter and drive gear assembly for dressing welding electrode tips |
US6499921B1 (en) * | 2001-09-19 | 2002-12-31 | Robert A Frasher | Spot welder tip sharpening and dressing tool |
-
2005
- 2005-03-01 JP JP2005056174A patent/JP4893906B2/ja active Active
-
2006
- 2006-02-28 CN CNB2006800011194A patent/CN100528450C/zh not_active Expired - Fee Related
- 2006-02-28 WO PCT/JP2006/304188 patent/WO2006093303A1/ja active Application Filing
- 2006-02-28 US US11/885,376 patent/US8739591B2/en not_active Expired - Fee Related
- 2006-02-28 EP EP06715247.0A patent/EP1854575B1/en not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61103682A (ja) * | 1984-10-24 | 1986-05-22 | Toyota Motor Corp | スポツト溶接用電極整形方法 |
JPH1177331A (ja) | 1997-09-04 | 1999-03-23 | Kiyokutoo:Kk | スポット溶接の電極研磨用カッター |
JP2005000945A (ja) * | 2003-06-11 | 2005-01-06 | Toyota Motor Corp | 電極チップ整形方法及び電極チップ整形具 |
JP2005014019A (ja) | 2003-06-24 | 2005-01-20 | Toyota Motor Corp | 電極チップ整形装置及び電極チップの整形不良検出構造並びに電極チップの整形不良検出方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012250282A (ja) * | 2011-06-07 | 2012-12-20 | Toyota Motor Corp | 溶接用の電極チップの整形工具、およびその整形装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101052492A (zh) | 2007-10-10 |
EP1854575A4 (en) | 2010-01-06 |
US20080134743A1 (en) | 2008-06-12 |
JP4893906B2 (ja) | 2012-03-07 |
US8739591B2 (en) | 2014-06-03 |
EP1854575B1 (en) | 2017-03-22 |
CN100528450C (zh) | 2009-08-19 |
JP2006239714A (ja) | 2006-09-14 |
EP1854575A1 (en) | 2007-11-14 |
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