WO2018092345A1 - Procédé de production d'un élément métallique et dispositif de production d'élément métallique - Google Patents

Procédé de production d'un élément métallique et dispositif de production d'élément métallique Download PDF

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Publication number
WO2018092345A1
WO2018092345A1 PCT/JP2017/022922 JP2017022922W WO2018092345A1 WO 2018092345 A1 WO2018092345 A1 WO 2018092345A1 JP 2017022922 W JP2017022922 W JP 2017022922W WO 2018092345 A1 WO2018092345 A1 WO 2018092345A1
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WO
WIPO (PCT)
Prior art keywords
metal
jig
metal body
reference pins
bodies
Prior art date
Application number
PCT/JP2017/022922
Other languages
English (en)
Japanese (ja)
Inventor
稔正 山根
一成 上原
Original Assignee
株式会社キーレックス
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社キーレックス filed Critical 株式会社キーレックス
Publication of WO2018092345A1 publication Critical patent/WO2018092345A1/fr

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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
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
    • 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 to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation

Definitions

  • the present invention relates to a manufacturing method or a manufacturing apparatus for manufacturing a metal part to be assembled to a vehicle from two panel-like metal bodies, for example.
  • an insulator disclosed in Patent Document 1 is disposed between a floor pan lower surface and a muffler in a lower part of a vehicle for the purpose of sound insulation and heat insulation.
  • the insulator includes a panel-like first metal body made of an aluminum alloy material, a sheet-like sound-absorbing heat insulator disposed on the floor pan side of the first metal body, and the floor-pan side of the sound-absorbing heat insulator.
  • the first metal body, the sound-absorbing heat shield, and the second metal body are integrated with each other by sandwiching the outer peripheral portion of the first metal body.
  • the outer peripheral portion of the first metal body and the outer peripheral portion of the second metal body are joined to each other without folding the outer peripheral portion of the first metal body. Therefore, there is a demand for integrating the first metal body and the second metal body, and as the joining method, it is possible to apply an ultrasonic joining method in which the appearance of the insulator after completion is hardly affected by thermal distortion. Conceivable.
  • the ultrasonic wave is applied to a portion having a highly rigid portion such as a reference hole for positioning with respect to a jig.
  • a portion having a highly rigid portion such as a reference hole for positioning with respect to a jig.
  • the present invention has been made in view of such a point, and an object of the present invention is to obtain a metal part free from cracks or cracks by integrating two panel-like metal bodies by ultrasonic bonding.
  • the present invention is characterized in that a reference pin for positioning a jig used for ultrasonic bonding can be vibrated.
  • ultrasonic bonding is possible with a jig main body installed on the floor, a plurality of reference pins, and a jig having pin attachment means for attaching the reference pins to the jig main body so as to be able to vibrate.
  • Ultrasonic bonding means and two panel-like metal bodies each having a plurality of fitting holes corresponding to the reference pins, and the reference pins to the fitting holes of the metal bodies.
  • the metal bodies are placed on the jig main body in order so as to be fitted, and a joining part is formed by the ultrasonic joining means at an overlapping portion of the metal bodies to obtain a metal part integrally. It is characterized by that.
  • the second invention is characterized in that, in the first invention, the pin mounting means is an elastic body made of a rubber material.
  • the present invention comprises a jig main body and a jig having a plurality of reference pins installed on the floor, and ultrasonic bonding means arranged on the side of the jig and capable of ultrasonic bonding,
  • the two metal plates are formed in order so that the reference pins fit into the fitting holes of the metal bodies, respectively, in the two panel-like metal bodies formed with a plurality of fitting holes corresponding to the reference pins.
  • a metal part manufacturing apparatus configured to obtain a metal part integrally by forming a joint with the ultrasonic joining means on the overlapping part of the metal bodies while being placed on the jig body. Targeted the following solutions.
  • the jig body includes pin attachment means for attaching the reference pins to the jig body so as to vibrate.
  • the fourth invention is characterized in that, in the third invention, the pin mounting means is an elastic body made of a rubber material.
  • each metal body is placed on the jig body in order so that the two metal bodies are fitted in the respective fitting holes of the respective metal bodies.
  • ultrasonic bonding is performed on the overlapping portions by the ultrasonic bonding means, fine vibration propagates to the entire area of each metal body, but each of the pin mounting means vibrates in accordance with the vibration. Therefore, the two metal bodies placed on the jig vibrate in synchronism with the ultrasonic vibration, and it is difficult to repeatedly apply a load to the highly rigid portions of the two metal bodies, and cracks and cracks are caused. Occurrence can be suppressed.
  • the reference pin vibrates corresponding to ultrasonic vibration with a simple structure
  • metal parts can be manufactured by ultrasonic bonding with a low-cost apparatus.
  • FIG. 2 is a cross-sectional view taken along line II-II in FIG. It is the schematic of the manufacturing apparatus which concerns on embodiment of this invention, and shows the state which mounted two metal bodies and the sound-absorbing heat shield on the jig
  • FIGS. 3 and 4 10 show an insulator 1 (metal part) according to an embodiment of the present invention.
  • the insulator 1 is attached to the lower surface of a floor pan F1 of a vehicle for the purpose of heat insulation and sound insulation against heat and noise generated from exhaust system parts and drive system parts, and the insulator manufacturing apparatus shown in FIGS. 3 and 4 10 (metal parts manufacturing apparatus).
  • the insulator 1 includes a first metal body 2 made of a panel-like aluminum alloy material extending in the vehicle front-rear direction, and a panel surface on the floor pan F1 side of the first metal body 2.
  • a sheet-like glass wool material 3 (sound-absorbing and heat-insulating body) disposed along, and a second metal body 4 made of a panel-like aluminum alloy material provided on the floor pan F1 side of the glass wool material 3,
  • the second metal body 4 is assembled to the first metal body 2 so as to cover the glass wool material 3.
  • the thickness of the first and second metal bodies 2 and 4 in FIGS. 1 to 4 is exaggerated for convenience.
  • the first metal body 2 is obtained by press-molding an aluminum alloy plate having a plate thickness of 0.4 to 0.6 mm and in the order of 1000 to 3000, and a horizontal plane portion 21 extending in the vehicle longitudinal direction. And a pair of inclined surface portions 22 that gradually incline so as to be positioned downward from the both sides in the vehicle width direction of the horizontal surface portion 21 toward the both ends in the vehicle width direction.
  • Each inclined surface portion 22 is formed with a pair of circular first seating surface portions 22a with a predetermined interval in the vehicle front-rear direction in a plan view that projects upward and the projecting surface extends horizontally.
  • a first fitting hole 22b is formed through the center of the one seat surface portion 22a.
  • the overlapping portion 2 b that overlaps the second metal body 4 when the second metal body 4 is assembled is provided on the outer side of the four first seat surface portions 22 a.
  • a large number of through-holes 2 c are formed in a portion surrounded by the four first seat surface portions 22 a in the metal body 2.
  • the second metal body 4 is obtained by press-molding an aluminum alloy plate having a plate thickness of 0.4 to 0.6 mm and in the order of 1000 to 3000, and is a horizontal panel portion extending in the vehicle longitudinal direction. 41 and a pair of inclined panel portions 42 that incline so as to gradually be positioned downward from the both sides in the vehicle width direction of the horizontal panel portion 41 toward the both ends in the vehicle width direction.
  • a circular second seat surface portion 42a corresponding to each first seat surface portion 22a of the first metal body 2 in a plan view that projects upward and the projecting surface extends horizontally.
  • a second fitting hole 42b is formed through the center of each of the second seat surface portions 42a.
  • a portion of the second metal body 4 outside the four second seating surface portions 42a is provided with a superposed portion 4b that overlaps the superposed portion 2b when assembled to the first metal body 2, and the second metal body.
  • a space forming portion 4a is formed in a portion surrounded by the four second seating surface portions 42a. The space forming portion 4a protrudes upward from the overlapping portion 4b.
  • the polymer part 2 b of the first metal body 2 and the polymer part 4 b of the second metal body 4 are arranged.
  • the first metal body 2 and the second metal body 4 are integrated.
  • the insulator manufacturing apparatus 10 includes a jig 5 for positioning the second metal body 4 with respect to the first metal body 2, and is disposed on the side of the jig 5 and is ultrasonically bonded. And an ultrasonic bonding machine 6 (ultrasonic bonding means) capable of performing the above.
  • the jig 5 includes a jig body 51 installed on the floor, and the jig body 51 can be moved by a moving means (not shown).
  • the jig body 51 includes a thick rectangular plate-shaped base plate 52 and four support frames 53 projecting from the upper surface of the base plate 52.
  • These four support frames 53 have a positional relationship that forms a rectangular vertex in plan view, and the two support frames 53 on the side close to the ultrasonic bonding machine 6 are on the side far from the ultrasonic bonding machine 6.
  • the protruding height is lower than that of the two support frames 53.
  • a positioning unit 54 is attached to the upper part of each support frame 53.
  • the positioning unit 54 includes a metal unit main body 55 formed with an accommodation recess 55a that opens obliquely upward on the ultrasonic bonding machine 6 side, and is substantially half on the bottom side of the accommodation recess 55a. Is fitted with an elastic body 56 (pin positioning means) made of a ring-shaped hard rubber material.
  • the housing recess 55a accommodates a reference pin 57 including a disk-shaped head portion 57a and a shaft portion 57b continuous to the head portion 57a, and the head portion 57a is in a posture in which the shaft portion 57b faces upward. Is fitted inside the elastic body 56, and the shaft portion 57b protrudes outward from the opening portion of the housing recess 55a.
  • the elastic body 56 is configured to attach the reference pin 57 to the jig body 51 so as to vibrate.
  • a ring member 58 having an insertion hole 58a in the center is fitted into the opening half of the receiving recess 55a so as to contact the elastic body 56, and the shaft portion of the reference pin 57 is inserted into the insertion hole 58a. 57b is loosely fitted.
  • the second metal body 4 is placed so that the reference pins 57 are fitted into the second fitting holes 42b in a posture in which the side of the second metal body 4 to be assembled with the first metal body 2 faces upward.
  • the first metal body 2 By placing the first metal body 2 on the jig body 51 so that the reference pins 57 are fitted into the first fitting holes 22b in a downward orientation, the first metal body 2
  • the first and second metal bodies 2 and 4 are positioned in a state where the overlapping portion 2b and the overlapping portion 4b of the second metal body 4 overlap each other.
  • the ultrasonic bonding machine 6 includes a pedestal 61 that can support both overlapping portions 2b and 4b in the first and second metal bodies 2 and 4 positioned on the jig 5, and A vibration part 62 that is disposed above the pedestal part 61 and capable of ultrasonic vibration, and a pressure that lowers the vibration part 62 and sandwiches and pressurizes both the overlapping parts 2b and 4b with the pedestal part 61.
  • Part 63 and when the pressure unit 63 pressurizes both the polymerized parts 2b and 4b between the pressure part 63 and the pedestal part 61, the vibration part 62 performs ultrasonic vibration, thereby the both polymerized parts.
  • a solid phase junction W1 is formed between 2b and 4b.
  • the ultrasonic bonding machine 6 moves the jig body 51 with a moving means (not shown) while positioning the overlapping portions 2b of the first and second metal bodies 2 and 4 positioned by the jig body 51.
  • the insulator 1 is obtained by integrating the first and second metal bodies 2 and 4 by intermittently joining 4 b along the outer peripheral portions of the first and second metal bodies 2 and 4.
  • the reference pins 57 are fitted into the second fitting holes 42b in a posture in which the side of the second metal body 4 to be assembled to the first metal body 2 is faced up.
  • the second metal body 4 is placed on the jig body 51.
  • the sheet-like glass wool material 3 is placed on the space forming portion 4 a of the second metal body 4 placed on the jig body 51.
  • the first metal body 2 is fitted such that the reference pins 57 are fitted into the first fitting holes 22b in a posture in which the side on which the second metal body 4 is assembled is directed downward. Is placed on the jig body 51. Then, the overlapping portion 2b of the first metal body 2 and the overlapping portion 4b of the second metal body 4 overlap each other, and between the first metal body 2 and the space forming portion 4a in the second metal body 4. An accommodation space layer S1 is formed, and the glass wool material 3 is accommodated in the accommodation space layer S1.
  • the ultrasonic bonding machine 6 causes the overlapping portions 2b and 4b of the first and second metal bodies 2 and 4 positioned by the jig body 51 to move.
  • the insulator 1 is obtained by integrating the first and second metal bodies 2 and 4 by performing ultrasonic bonding intermittently along the outer peripheral portions of the first and second metal bodies 2 and 4.
  • the joining conditions of the ultrasonic joining were set to a vibration frequency: 20 kHz, an amplitude of the vibration part 62: 0.06 mm, and a pressure applied by the pressure part 63: 1.5 kN.
  • the first and second metal bodies 2 and 4 placed on the jig 5 vibrate in synchronization with the ultrasonic vibration, and the first and second metal bodies 2 and 4 have high rigidity. Since it becomes difficult to apply a load repeatedly to a location, generation
  • each elastic body 56 is formed of a hard rubber material, the reference pin 57 can vibrate corresponding to ultrasonic vibration with a simple structure, and the manufacture of the insulator 1 by ultrasonic bonding is low cost. Can be done with the device.
  • each reference pin 57 is only fitted into the fitting hole 42b, but the periphery of each first fitting hole 22b of the first metal body 2 is pressed by the claw member of the clamp mechanism. Also good.
  • the elastic body 56 is made of a hard rubber material, but is not limited thereto, and may be made of, for example, a foam.
  • each joint to be applied to the overlapping portions 2b and 4b of the first and second metal bodies 2 and 4 is performed by transferring the first and second metal bodies 2 and 4 to different jigs 5 in the middle of each joint. You may make it perform each remaining joining after mounting.
  • each joint to be applied to both overlapping portions 2b and 4b of the first and second metal bodies 2 and 4 is a mechanism capable of changing the positioning posture provided in the jig 5 in the middle of each joint, or
  • the industrial robot may change the posture of the first and second metal bodies 2 and 4 by changing the inclination of the jig 5 itself, and then perform the remaining joints.
  • the insulator 1 is manufactured from the 1st metal body 2, the glass wool material 3, and the 2nd metal body 4 with the manufacturing method of this invention, it is not restricted to this, The manufacturing method of this invention Thus, other metal parts can be obtained by integrating two metal bodies having a panel shape.
  • the present invention is suitable, for example, for a manufacturing method or a manufacturing apparatus for manufacturing a metal part to be assembled to a vehicle from two panel-like metal bodies.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Optics & Photonics (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Selon la présente invention, un gabarit (5) comprend un corps souple (56) qui fixe par vibration une pluralité de broches de référence (57) à un corps principal de gabarit (51). Un premier corps métallique en forme de panneau (2) et un second corps métallique en forme de panneau (4) sont montés, dans l'ordre, sur le corps principal de gabarit (51) de sorte que les broches de référence (57) s'insèrent dans des premiers trous d'insertion (22b) dans le premier corps métallique (2) et des seconds trous d'insertion (42b) dans le second corps métallique (4). Une machine d'assemblage par ultrasons (6) est utilisée pour former une partie de jonction solide (W1) au niveau de parties de chevauchement se chevauchant (2b, 4b) du premier corps métallique (2) et du second corps métallique (4), et le premier corps métallique (2) et le second corps métallique (4) sont ainsi intégrés.
PCT/JP2017/022922 2016-11-15 2017-06-21 Procédé de production d'un élément métallique et dispositif de production d'élément métallique WO2018092345A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-222775 2016-11-15
JP2016222775A JP6739795B2 (ja) 2016-11-15 2016-11-15 金属部品の製造方法及び金属部品製造装置

Publications (1)

Publication Number Publication Date
WO2018092345A1 true WO2018092345A1 (fr) 2018-05-24

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Application Number Title Priority Date Filing Date
PCT/JP2017/022922 WO2018092345A1 (fr) 2016-11-15 2017-06-21 Procédé de production d'un élément métallique et dispositif de production d'élément métallique

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JP (1) JP6739795B2 (fr)
WO (1) WO2018092345A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000024784A (ja) * 1998-07-14 2000-01-25 Denso Corp 超音波溶接用ワーク受け治具
JP2008279496A (ja) * 2007-05-14 2008-11-20 Honda Motor Co Ltd 溶接装置及び車体の生産方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000024784A (ja) * 1998-07-14 2000-01-25 Denso Corp 超音波溶接用ワーク受け治具
JP2008279496A (ja) * 2007-05-14 2008-11-20 Honda Motor Co Ltd 溶接装置及び車体の生産方法

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Publication number Publication date
JP2018079774A (ja) 2018-05-24
JP6739795B2 (ja) 2020-08-12

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