• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The ultrasonic vibration-assisted ball burnishing tool comprises a burnishing head (1) including a burnishing ball (25) supported on a head body (10) and an ultrasonic vibration transmission unit (2) including one or more piezoelectric ceramic bodies (31) housed in a housing (30) having a distal end fixed to a proximal end of the head body (10). Between the distal end of the head body (10) and the burnishing ball (25) are interposed a plurality of support spheres (26) inserted in an annular groove (11) formed on a surface perpendicular to the central axis (e) of the body of head (10). The ultrasonic vibration transmission unit (2), the head body (10) and the burnishing ball (25) are aligned along a central axis (e). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2615002A1
    申请号:ES201730385
    申请日:2017-03-21
    公开日:2017-06-02
    发明作者:Ramón JEREZ MESA；Giovanni GÓMEZ GRAS；José Antonio TRAVIESO RODRIGUEZ；Jordi LLUMÀ FUENTES
    申请人:Universitat Politecnica de Catalunya UPC；
    IPC主号:
    专利说明:

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    The oscillating support 50 has a cylindrical portion 52 and a rod 51 coaxial with the central axis E, and between the cylindrical portion 52 and the rod 51 there is a step 53. The elastic element constituted by a helical spring 45 is arranged around the rod 51 and It has a distal end that rests on step 53.
    The base support 40 has an axial opening 41 around which there is a support surface 42 where a proximal end of the helical spring 45 is supported. The rod 51 of the oscillating support 50 is slidably inserted and guided through the opening axial 41. On a portion of the rod 51 protruding from one side of the base support 40 opposite the helical spring 45, a stopper element 46 having a dimension larger than the axial opening 41 is fixed. The oscillating support 50 can effect a movement axial reciprocating with respect to the base support 40 and the stopper element 46 limits this axial reciprocating movement in the opposite direction to the base support 40.
    The portion of the rod 51 protruding from the base support 40 has an external thread thread 56 and the stop member 46 has an axial hole 47 with an internal thread thread coupled to the external thread thread 56 of the rod 51. In addition, the stopper element 46 has a radial hole 48 that is aligned with a radial hole 57 of the stem 51 for installation of a captive screw 58 that engages an internal thread thread of the radial hole 57 of the rod 51.
    The base support 40 also has a cylindrical tubular wall 43 that surrounds the helical spring 45 and part of the cylindrical portion 52 of the oscillating support 50. The cylindrical tubular wall 43 is sized so that the cylindrical portion 52 is partially slidingly inserted and guided in the cylindrical tubular wall 43.
    The oscillating support 50 has at the distal end opposite the base support 4 a perimeter flange 54 perpendicular to the central axis E provided with fixing holes 55 parallel to the central axis E distributed around the cylindrical portion 52.
    Referring again to Fig. 2, in the assembled burnishing tool 60, the distal end of the housing 30 of the ultrasonic vibration transmission unit 2 is fixed to the proximal end of the head body 40 of the burnishing head 1 and the proximal end of the housing 30 of the ultrasonic vibration transmission unit 2 is fixed to a distal end of the oscillating support 50 of the force regulation unit
    3.
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    For this purpose, the connecting plate 12 and the corresponding cylindrical ring 13 located at the proximal end of the head body 10 opposite the burnishing ball 25 are inserted and fixed in the housing 38 existing at the distal end of the housing 30 of the unit of transmission of ultrasonic vibrations 2. The fixing holes 14 of the cylindrical ring 13 of the head body 10 are aligned with the corresponding fixing holes 35 of the housing 30 of the vibration transmission unit 20 and fixing screws 18 are installed through both of them and coupled to the internal thread thread of the fixing holes 14 of the cylindrical ring 13 of the head body 10. The one or more piezoelectric ceramic bodies 31 of the ultrasonic vibration transmission unit 2 are in contact with the end proximal of the head body 10.
    Also, the perimeter flange 54 located at the distal end of the oscillating support 50 opposite the base support 4 is attached to the proximal end of the housing 30 of the ultrasonic vibration transmission unit 2. The fixing holes 55 of the perimeter flange 54 of the oscillating support 50 are aligned with the corresponding fixing holes 34 of the housing 30 of the vibration transmission unit 20 and fixing screws 59 are installed through both of them and coupled to the internal thread thread of the fixing holes 59 of the housing 30 of the vibration transmission unit 20. A surface at the distal end of the oscillating support 50 of the force regulation unit 3 closes the central opening 37 of the housing 30 of the vibration transmission unit 20.
    With this construction, the head body 10 and the burnishing ball 25 of the burnishing head 1, the housing 30 of the ultrasonic vibration transmission unit 2, and the base support 40, the coil spring 45 and the oscillating support 50 of The force regulation unit 3 are coaxial with the central axis E.
    The one or more piezoelectric ceramic bodies 31 of the ultrasonic vibration transmission unit 2 have an ultrasonic resonance frequency of 35 to 45 kHz and transmit to the burnishing ball 25 an ultrasonic percussion frequency of 20 kHz or greater.
    Thus, the burnishing tool 60 is capable of performing a burnishing action by applying a force in combination with a percussion at an ultrasonic percussion frequency exerted by the burnishing ball 25 of the burnishing head 1 on the workpiece. . The force, which is applied by the tool-holder element of the machine tool, is transmitted to the burnishing head 1 by the coil spring 45 of the
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    权利要求:
    Claims (1)
    [1]
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    类似技术:
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    同族专利:
    公开号 | 公开日
    ES2615002B1|2018-03-15|
    EP3603885A1|2020-02-05|
    WO2018172584A1|2018-09-27|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2002006007A1|2000-07-13|2002-01-24|Designmecha Co., Ltd.|Micro-burnishing apparatus using ultrasonic vibration|
    US20050155203A1|2004-01-17|2005-07-21|Prevey Paul S.|Method and apparatus for improving the magnitude of compressive stress developed in the surface of a part|
    WO2012074499A1|2010-11-30|2012-06-07|Kudryavtsev Yuriy|Ultrasonic instrument for the impact machining of component surfaces|
    DE102009018988A1|2009-04-25|2010-10-28|Mtu Aero Engines Gmbh|Hardening a surface of a complex thin-walled component with varying cross-section by hardening critical surface area using an ultrasonic vibrator and a tool, comprises delivering high-frequency local mechanical impulse to the component|
    DE102009041720A1|2009-09-16|2010-05-06|Daimler Ag|Cold forging device for metal surfaces, has lifting unit which is supported at its one end in bearing element, where impact head is arranged at opposite end of lifting unit|
    RU2440232C2|2010-04-23|2012-01-20|Государственное образовательное учреждение высшего профессионального образования "Орловский государственный технический университет" |Method of surface vibrational sizing|
    RU2548848C1|2013-10-29|2015-04-20|Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет"|Method of surface plastic deformation|
    KR101579943B1|2013-11-29|2015-12-28|한국기계연구원|Surface treatment apparatus of a workpiece using an ultrasonic transmitter|
    法律状态:
    2018-03-15| FG2A| Definitive protection|Ref document number: 2615002 Country of ref document: ES Kind code of ref document: B1 Effective date: 20180315 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201730385A|ES2615002B1|2017-03-21|2017-03-21|BRUNCH TOOL WITH BALL ASSISTED BY VIBRATIONSULTRASONICS|ES201730385A| ES2615002B1|2017-03-21|2017-03-21|BRUNCH TOOL WITH BALL ASSISTED BY VIBRATIONSULTRASONICS|
    PCT/ES2018/070209| WO2018172584A1|2017-03-21|2018-03-20|Ultrasonic vibration-assisted ball burnishing tool|
    EP18727336.2A| EP3603885A1|2017-03-21|2018-03-20|Ultrasonic vibration-assisted ball burnishing tool|
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