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1. 发明专利

JP2017077578A レーザ肉盛方法审中-公开
公开(公告)号：JP2017077578A
公开(公告)日：2017-04-27
申请号：JP2015207363
申请日：2015-10-21
申请人：トヨタ自動車株式会社 , Toyota Motor Corp
发明人： IWATANI SHINGO , ISHIKAWA YOSHIMUNE , SATO AKIO
IPC分类号： B23K26/342 , B23K26/21 , F02F1/42
摘要：【課題】肉盛層における穴状欠陥の発生を抑制することができるレーザ肉盛方法を提供する。【解決手段】本発明の一態様に係るレーザ肉盛方法は、シリンダヘッド粗形材90において、ポートの燃焼室側開口端91に円環状のザグリ溝92を形成する工程と、レーザ出射孔119と同軸に形成された、複数の領域に仕切られた円環状の吐出孔117から金属粉53を供給しつつ、レーザ出射孔119からレーザビームを照射してザグリ溝92にバルブシート用の肉盛層93を順次形成する工程と、を備えたレーザ肉盛方法であって、肉盛層を順次形成する工程において、ザグリ溝92に沿ってレーザビームを進行させて肉盛層93を形成する際、前記複数の領域のうち、レーザビームの進行方向前方に位置する領域のみから金属粉53を供給する。【選択図】図14

2. 发明专利

JP2013018035A Weld structure and welding method 有权
标题翻译：焊接结构与焊接方法
公开(公告)号：JP2013018035A
公开(公告)日：2013-01-31
申请号：JP2011154021
申请日：2011-07-12
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Aisin Seiki Co Ltd , アイシン精機株式会社
发明人： UCHIDA YOSHIAKI , IWATANI SHINGO , ENDO TAKAHITO , KATO SEITARO , KAMITAKE JUN , KURAMOTO TAKESHI , YAMAGUCHI SHUHEI
IPC分类号： B23K33/00 , B23K26/20 , F16H48/40
摘要： PROBLEM TO BE SOLVED: To provide a weld structure and a welding method, by which weld strength and weld quality are improved.SOLUTION: The weld structure includes a ring gear 10 having a gear joint-part 11 and a differential case 30 having a case joint-part 31 to be joined with the gear joint-part 11. The ring gear 10 and the differential case 30 are joined by a press-fitting part 20 where the gear joint-part 11 and the case joint-part 31 are engaged with each other by press-fitting and also joined by a first and a second weld parts 51, 52 where welding is performed between a gear-side weld surface 12 of the gear joint-part 11 and a case-side weld surface 32 of the case joint-part 31. In the weld structure, weld parts 50 are arranged at least on both sides thereof sandwiching the press-fitting part 20 in a second direction AX orthogonal to the alignment direction of the gear joint-part 11 and the case joint-part 31. Before welding is performed, a gap 25 having a given distance x is formed between the gear-side weld surface 12 and the case-side weld surface 32.
摘要翻译：要解决的问题：提供焊接强度和焊接质量提高的焊接结构和焊接方法。解决方案：焊接结构包括具有齿轮接头部分11的齿圈10和具有与齿轮接头部分11接合的壳体接合部分31的差速器壳体30.齿圈10和差速器壳体30通过压配合部20连接，齿轮接头部11和壳体接合部31通过压配合而彼此接合，并且还通过第一焊接部51和第二焊接部52接合，焊接在齿轮接合部11的齿轮侧焊接面12和壳体接合部31的壳体侧焊接面32之间进行。在焊接结构中，焊接部50至少布置在两侧夹着压配部20在与齿轮接合部11的取向方向正交的第二方向AX和壳体接合部31上进行。在进行焊接之前，在齿轮接合部11之间形成有规定距离x的间隙25，侧焊接表面12和壳体侧焊接面32.版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2014121715A Laser welding method 审中-公开
标题翻译：激光焊接方法
公开(公告)号：JP2014121715A
公开(公告)日：2014-07-03
申请号：JP2012278368
申请日：2012-12-20
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： OKAZAKI TOMOYA , IWATANI SHINGO , ANDREW WILLETT
IPC分类号： B23K26/00 , B23K26/21
摘要： PROBLEM TO BE SOLVED: To provide a laser welding method capable of reliably ensuring welding quality by checking a keyhole through hole formed in a back side of a weld even if the back side of the weld is hidden during laser welding.SOLUTION: A laser welding method is such that laser light is irradiated to a weld 1a that is a region, in which plural (two in this embodiment) members to be welded (first member 2 and second member 3) are abutted against each other, in order to join the first member 2 and second member 3. Herein, when the weld 1a is welded with laser light, a camera 12 that is focused on a position on a back side 1c of the weld 1a with an irradiating direction of the laser light as a reference, and is intended to image the weld 1a is used to image a molten weld pool 6 formed in the weld 1a. A black point indicating occurrence of a keyhole through hole 7 and appearing in an image of the molten weld pool 6 imaged by the camera 12 is detected.
摘要翻译：要解决的问题：提供一种激光焊接方法，即使在激光焊接期间焊缝的背面隐藏，也可以通过检查形成在焊缝背面的键孔通孔来可靠地确保焊接质量。解决方案：激光焊接方法是将激光照射到作为要被焊接的多个（两个本实施例）的焊接部件（第一部件2和第二部件3）彼此抵接的区域的焊接部1a，以便接合第一构件2和第二构件3.这里，当用激光焊接焊缝1a时，以激光的照射方向为基准聚焦在焊缝1a的背面1c上的位置的照相机12，并且旨在成像用于对形成在焊接部1a中的熔融熔池6成像的焊接部1a。检测出由相机12成像的表示出现孔眼通孔7并出现在熔融熔池6的图像中的黑点。

4. 发明专利

JP2011161506A Welding method 审中-公开
标题翻译：焊接方法
公开(公告)号：JP2011161506A
公开(公告)日：2011-08-25
申请号：JP2010030345
申请日：2010-02-15
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： IWATANI SHINGO
IPC分类号： B23K26/00 , B23K26/20 , B23K103/18 , F16H57/037 , F16H57/038 , F16H57/039
摘要： PROBLEM TO BE SOLVED: To provide a welding method capable of reducing manufacturing cost. SOLUTION: The welding method includes the steps of: collecting a laser 30 to a section 24 which butts an interface surface 18 of a differential case 10 and an interface surface 20 of a ring gear 12; and irradiating the section 24 with the collected laser, thereby conducting laser welding of the case 10 and the gear 12 with a welding wire 32 molten. The method does not include a step of machining a groove on either the surface 18 of the case 10 or the surface 20 of the gear 12 but provides a focusing diameter of the laser 30 of 0.2 mm or less. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够降低制造成本的焊接方法。解决方案：焊接方法包括以下步骤：将激光器30收集到与差速器壳体10的接口表面18和齿圈12的接口表面20相对的部分24; 并用收集的激光照射部分24，由熔化的焊丝32进行壳体10和齿轮12的激光焊接。该方法不包括在壳体10的表面18或齿轮12的表面20上加工凹槽的步骤，而是提供0.2mm或更小的激光器30的聚焦直径。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2013193117A Wire supply device and wire supplying method 有权
标题翻译：电线设备和电线供电方法
公开(公告)号：JP2013193117A
公开(公告)日：2013-09-30
申请号：JP2012065349
申请日：2012-03-22
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： IWATANI SHINGO , TAKAHASHI ISAMU
IPC分类号： B23K9/12
摘要： PROBLEM TO BE SOLVED: To provide a device and a method for supplying a wire by which the wire which gets the helical peculiarity by having be in a wound state is supplied to the welding region stably and accurately by simple constitution.SOLUTION: A wire supplying device 1 includes: a feeding device 13 by which a wire W in the state that the wire is wound at a predetermined curvature (R1) is pulled out and sent out to a supply part 3; a circumferential route 12 where the wire W pulled out from the wound state is made to go around at a predetermined curvature (R2); and a curve part 15 where the wire W which is made to go around the circumferential route 12 is bent at a predetermined curvature (R3) and sent to the supply part 3. The relationship of respective curvatures is set to R1>R2>R3. The circumferential route 12 and the curve part 15 make the wire W bend in the same direction and are arranged so as to allow the wire W to be situated on the same plane.
摘要翻译：要解决的问题：提供一种用于提供线的装置和方法，其中通过简单的结构将通过卷绕状态获得螺旋特性的线供应到焊接区域。解决方案：装置1包括：供给装置13，其中以预定曲率（R1）缠绕线的状态的线W被拉出并送出到供给部3; 从卷绕状态拉出线W的周向路径12以预定的曲率（R2）绕过去; 以及弯曲部15，其中使围绕圆周路径12的导线W以预定曲率（R3）弯曲并发送到供给部3.各曲率的关系设定为R1> R2> R3。圆周路径12和弯曲部15使线W沿相同的方向弯曲并且布置成允许线W位于同一平面上。

6. 发明专利

JP2013184206A Method for evaluating hardness in welded part 有权
标题翻译：焊接部分评估硬度的方法
公开(公告)号：JP2013184206A
公开(公告)日：2013-09-19
申请号：JP2012053128
申请日：2012-03-09
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： IWATANI SHINGO , UCHIDA YOSHIAKI , MATSUDA TOMOHIKO
IPC分类号： B23K31/00 , B23K26/00 , B23K26/20
摘要： PROBLEM TO BE SOLVED: To provide a method for evaluating hardness in a welded part, which evaluates the hardness in the welded part at low cost and with reduced man-hour when performing butt welding for dissimilar materials.SOLUTION: A method for evaluating hardness in a welded part includes: (101) measuring the center portion of the welded part in an object to be evaluated, to a butt position of dissimilar materials when the hardness in butt welding of the dissimilar materials is evaluated; (102) comparing a measurement result with mutual relations between the center position of the welded part to the butt position of the dissimilar materials and hardness in the welded part, the mutual relations being prepared in advance by a test object; and evaluating the hardness of the welded part in the object (103). The hardness of the welded part in the object is evaluated without any destructive inspection.
摘要翻译：要解决的问题：提供一种用于评价焊接部的硬度的方法，其以低成本评估焊接部的硬度，并且在对异种材料进行对焊时减少工时。解决方案：评估硬度的方法焊接部包括：（101）在评价异种材料的对接硬度时，将待评价对象物的焊接部的中心部分测量为异种材料的对接位置; （102）将测量结果与焊接部件的中心位置与异种材料的对接位置和焊接部件的硬度之间的相互关系进行比较，所述相互关系由预先由测试对象准备; 以及评估所述物体（103）中的所述焊接部件的硬度。对物体中焊接部件的硬度进行评估，无需任何破坏性检查。

7. 发明专利

JP2009154176A Method of repairing defective portion of cast part and cast part 有权
标题翻译：修复铸件零件和铸件缺陷部分的方法
公开(公告)号：JP2009154176A
公开(公告)日：2009-07-16
申请号：JP2007334184
申请日：2007-12-26
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： IWATANI SHINGO , IIDA SATOSHI , SATO TETSUYA , SATO AKIO , KAWASAKI MINORU , ISHIKAWA YOSHIMUNE
IPC分类号： B23K31/00 , B22D29/00 , B23K9/04 , B23K26/34 , B23K103/10
摘要： PROBLEM TO BE SOLVED: To provide a method of repairing the defective portion of cast parts for repairing the defective portion such as a recessed cavity revealed to the surface of the cast parts without making an internal defect remain. SOLUTION: Since this method of repairing the defective portion includes a first step of forming a recessed part 11 having a sound layer 10 where the internal defect is suppressed in the inside by jetting high-pressure gas while melting recessed cavities 2 revealed to the surface of the cast parts 1 and its periphery and, next, a second step of repairing the cavities 2 by melting the recessed part 11 within the range of the thickness of the sound layer 10 and by applying build-up welding to it, the recessed cavity 2 revealed to the surface of the cast parts 1 can be repaired without making the internal defect remain. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种修复铸造件的缺陷部分的方法，用于修复在铸造件表面上露出的诸如凹腔的缺陷部分，而不会留下内部缺陷。解决方案：由于这种修复缺陷部分的方法包括形成具有声音层10的凹部11的第一步骤，其中通过喷射高压气体同时将内部缺陷抑制在内部，同时熔化凹腔2暴露于铸造件1的表面及其周边，接下来，通过在声音层10的厚度范围内熔化凹部11并通过施加积聚焊接来修复空腔2的第二步骤，露出到铸造件1表面的凹腔2可以被修复而不会使内部缺陷保留。版权所有（C）2009，JPO＆INPIT

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