KR200418336Y1 - The structure of the tool horn and anvil of the ultrasonic welder - Google Patents

The structure of the tool horn and anvil of the ultrasonic welder Download PDF

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KR200418336Y1
KR200418336Y1 KR2020060008065U KR20060008065U KR200418336Y1 KR 200418336 Y1 KR200418336 Y1 KR 200418336Y1 KR 2020060008065 U KR2020060008065 U KR 2020060008065U KR 20060008065 U KR20060008065 U KR 20060008065U KR 200418336 Y1 KR200418336 Y1 KR 200418336Y1
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tool horn
anvil
ultrasonic
tool
horn
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KR2020060008065U
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Korean (ko)
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최용준
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최용준
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    • 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
    • B23K20/103—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 using a roller
    • 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
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0288—Carriages forming part of a cutting unit

Abstract

본 고안은 초음파금속용접기에서 초음파를 전달하고 용접부를 압착하는 공구혼과 엔빌의 구조에 관한 것으로, 공구혼과 엔빌에 의하여 동파이프를 절단하면서 절단면을 압착하여 용접하는 과정을 하나의 공정으로 수행할 수 있도록 공구혼과 엔빌의 접촉부의 일측에는 절단부를 형성하여 서로 맞물리도록 구성하고 절단부에 인접하여 압착부를 형성하여 절단과 동시에 압착하여 용접할 수 있게 한 것을 특징으로 한다.The present invention relates to a structure of a tool horn and anvil that transmits ultrasonic waves in an ultrasonic metal welder and compresses a welded portion. The process of pressing and cutting a cut surface while cutting a copper pipe by the tool horn and anvil is performed in one process. One side of the contact portion of the tool horn and the anvil so as to form a cut portion to be engaged with each other and to form a crimping portion adjacent to the cut portion is characterized in that it can be crimped and welded at the same time.

초음파, 용접, 파이프, 공구혼, 엔빌 Ultrasonic, Welding, Pipe, Tool Horn, Anvil

Description

초음파용접기의 공구혼과 엔빌의 구조{The structure of the tool horn and anvil of the ultrasonic welder}The structure of the tool horn and anvil of the ultrasonic welder

도 1은 본 고안 초음파용접기의 공구혼과 엔빌의 사용상태의 단면도1 is a cross-sectional view of the use state of the tool horn and the anvil of the present invention ultrasonic welding machine

도 2는 본 고안 공구혼의 사시도2 is a perspective view of the present invention tool horn

도 3은 본 고안 공구혼의 측단면도3 is a side cross-sectional view of the inventive tool horn

도 4는 본 고안 공구혼의 정면도4 is a front view of the present invention tool horn

도 5는 본 고안 공구혼의 열처리 조건을 나타내는 그래프5 is a graph showing the heat treatment conditions of the inventive tool horn

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

10. 공구혼10. Tool Horn

20. 엔빌20. Anvil

30. 압착부30. Crimp

40. 절단부40. Cutting

50. 파이프50. Pipe

본 고안은 초음파용접기의 공구혼(Horn)과 엔빌(Anvil)에 관한 것으로, 보다 상세하게 설명하면 초음파진동에 의하여 발생하는 마찰열을 이용하여 용접하는 장치에서 용접하고자 하는 가공소재의 용접부를 압착하는 공구혼과 엔빌에서 초음파진동이 가해지는 공구혼과 용접부를 받쳐주는 엔빌에 관한 것이다.The present invention relates to a tool horn and anvil of an ultrasonic welder. More specifically, the present invention relates to a tool for crimping a welding part of a workpiece to be welded in an apparatus for welding using frictional heat generated by ultrasonic vibration. The present invention relates to an anvil that supports tool horns and welds subjected to ultrasonic vibrations in horns and anvils.

초음파를 이용하는 용접은 모재를 녹여 브레이징(Brazing)하는 방식과 달리 초음파의 진동을 이용하므로 모재의 손상이 적으며 용접시 용재를 사용하지 않으므로 세척공정이 필요없는 환경친화적인 용접방식으로 비교적 융점이 낮은 합성수지 등에서 동과 같은 비철금속에까지 사용영역이 확대되고 있는 추세에 있다.Unlike the method of melting and brazing the base metal, the welding using ultrasonic wave uses less vibration because of the vibration of the ultrasonic material, and does not use the solvent during welding. Increasingly, the range of applications from synthetic resins to nonferrous metals such as copper is on the rise.

이에 따라 냉장고, 에어컨 등과 같이 냉매가 들어있는 동파이프의 단부를 압착하여 폐쇄하는 용접이나 전지, 자동차 등의 전장부품에 광범위하게 사용되고 있다.As a result, it is widely used in electric parts such as welding, batteries, automobiles, etc., which compresses and closes ends of copper pipes containing refrigerant such as refrigerators and air conditioners.

이러한 초음파를 이용하는 금속용접에서는 공구혼과 엔빌과 같은 상·하형 압착부가 필요하게 되며 특히 공구혼의 경우 용접부에 초음파진동과 압착력을 가하면서 마찰열을 발생시키므로 반복적인 고온과 진동에 의하여 균열이 발생하고 발생되는 균열은 진동에 의해 전이속도가 빨라 수명이 짧아진다는 문제점이 있었다.Metal welding using ultrasonic waves requires upper and lower presses such as tool horns and anvils. Especially, tool horns generate frictional heat while applying ultrasonic vibration and compressive force to the weld, causing cracks to occur due to repeated high temperature and vibration. There is a problem that the crack is shortened life due to the rapid transition speed due to vibration.

본 고안은 상기와 같은 문제점을 해결하기 위하여 개발된 것으로 특히 공구 혼의 재질과 열처리조건을 최적화하여 사용수명을 보다 연장할 수 있게 하는 것이다.The present invention was developed to solve the above problems, in particular to optimize the material and heat treatment conditions of the tool horn to extend the service life more.

본 고안의 또 다른 목적은 파이프의 단부를 절단하면서 절단면을 압착용접하는 과정을 하나의 공정으로 수행할 수 있게 하는 공구혼과 엔빌의 구성을 제공하는 것이다.Still another object of the present invention is to provide a tool horn and an anvil construction that enables the process of pressing welding the cut surface in one process while cutting the end of the pipe.

상기와 같은 목적을 위한 본 고안 '초음파용접기의 공구혼과 엔빌구조'는 초음파진동을 가하는 공구혼의 내구성을 향상하고 균열발생을 억제할 수 있도록 하기 위하여 공구혼 인성(Toughness)을 향상할 수 있는 최적의 재질 및 열처리조건과 공구혼과 엔빌에 의한 파이프단부의 절단과 압착용접을 동시에 수행할 수 있도록 상·하형인 공구혼과 엔빌에 절단부와 압착부를 동시에 형성하는 구성을 제공한다.The present invention 'tool horn and anvil structure of the ultrasonic welder' for the above purpose is to improve the tool horn toughness (Toughness) to improve the durability of the tool horn to apply ultrasonic vibration and to suppress the occurrence of cracks The cutting and pressing parts are simultaneously formed on the upper and lower tool horns and the anvils to simultaneously perform cutting and crimp welding of the pipe ends by the material and heat treatment conditions and the tool horn and the anvil.

이하에서 본 고안의 바람직한 실시예에 대하여 첨부한 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 고안 초음파용접기의 공구혼과 엔빌구조의 사용상태의 단면도이고, 도 2는 본 고안 공구혼의 사시도이며, 도 3은 본 고안 공구혼의 측단면도이고, 도 4는 본 고안 공구혼의 정면도이며, 도 5는 본 고안 공구혼의 열처리조건을 나타내는 그래프이다.1 is a cross-sectional view of the use state of the tool horn and the anvil structure of the present invention ultrasonic welder, FIG. 2 is a perspective view of the present invention tool horn, Figure 3 is a side cross-sectional view of the present invention tool horn, Figure 4 is a front view of the present invention tool horn 5 is a graph showing heat treatment conditions of the inventive tool horn.

초음파금속용접기는 발진기-진동자-부스터-공구혼-엔빌로 구성되어 있으며 초음파금속용접이 되기 위하여는 공구혼(10)의 끝단에 고출력의 초음파가 발생되어 야 한다.Ultrasonic metal welding machine is composed of oscillator-vibrator-booster-tool horn-anvil and high power ultrasonic wave should be generated at the end of tool horn 10 to be ultrasonic metal welding.

이를 위하여 발진기에서 발생된 저출력의 초음파진동은 진동자에서 부스터를 거쳐 공구혼(10)에 이르면서 고출력으로 변환되는 초음파진동은 진동자와 부스터, 그리고 공구혼(10)사이에서 고유진동수가 정확히 일치하여야 한다.For this purpose, the low-power ultrasonic vibration generated from the oscillator reaches the tool horn 10 through the oscillator to the tool horn 10, and the ultrasonic vibration that is converted into the high power should be exactly the same between the vibrator, the booster, and the tool horn 10. .

그러나 공구혼(10)의 고유진동수는 혼의 직경 및 길이, 재질의 변화, 실제로 용접하고자 하는 부품부위의 형상과 크기, 재질 등에 따라 아주 민감하게 반응하기 때문에 공구혼(10)의 재질선택은 매우 중요한 부분이며 더욱이 공구혼은 초음파진동을 발생시켜 마찰열에 의하여 용접하므로 고온내구성을 확보할 수 있어야 한다.However, since the natural frequency of the tool horn 10 reacts very sensitively depending on the diameter and length of the horn, the change in the material, the shape and size of the part to be welded, and the material, the material selection of the tool horn 10 is very important. Furthermore, the tool horn generates ultrasonic vibration and welds by frictional heat, so it must be able to secure high temperature durability.

공구혼(10)의 재료로는 T계 고속도강계열을 사용하는 것이 바람직하다.As the material of the tool horn 10, it is preferable to use a T-based high speed steel series.

T계고속도강은 중량(wt)비로 C=0.75%, Si=0.16%, Mn=0.26%, P=0.02%, S=0.03%, W=18.5%, Cr=4.02%, V=1.05%, Mo=0.2%로 구성되어있다.T-based high speed steel has a weight (wt) ratio of C = 0.75%, Si = 0.16%, Mn = 0.26%, P = 0.02%, S = 0.03%, W = 18.5%, Cr = 4.02%, V = 1.05%, Mo = 0.2%.

공구혼(10)의 열처리는 균열의 발생을 억제할 수 있도록 결정립의 조대화와 함께 조직내 망상탄화물이 나타나는 것을 방지할 수 있도록 제어하는 것이 바람직하므로 냉각과정에서 결정성장이 일어나는 730°C~790°C 부근에서 서냉이 필요하며 이를 위하여는 염욕이나 오일담금질이 바람직하나 진공열처리 방법으로 대체할 수도 있다.The heat treatment of the tool horn 10 is preferably controlled to prevent the occurrence of reticular carbides in the tissue together with coarsening of grains so as to suppress the occurrence of cracks. Slow cooling is required near ° C. Salt bath or oil quenching is preferred for this purpose, but may be replaced by vacuum heat treatment.

또한 가열온도가 느릴 경우 오스테나이트 결정립의 이상성장을 일으키기 쉬우므로 반드시 단계별 가열이 필요하며 이 경우 최고가열온도는 1180°C로 하는 것이 결정입도의 미세화를 위하여 바람직하다.In addition, when the heating temperature is low, it is easy to cause abnormal growth of austenite grains, so stepwise heating is necessary. In this case, the maximum heating temperature is preferably 1180 ° C for the refinement of grain size.

공구혼(10)과 엔빌(20)의 구조는 도면에 도시된 것과 같이 압착부(30)의 일 측면에 절단부(40)를 형성하여 공구혼(10)과 엔빌(20)사이에서 압착용접되는 파이프(50)를 절단함과 동시에 용접될 수 있게 구성된다.The structure of the tool horn 10 and the anvil 20 is formed by cutting 40 on one side of the crimping portion 30 as shown in the drawing is welded between the tool horn 10 and the anvil 20 The pipe 50 can be cut and welded at the same time.

공구혼(10)은 초음파진동과 진동에 의한 마찰열로 반복적인 고온에 노출되어 피로현상에 의한 균열이 발생하므로 공구혼(10)의 상·하로 압착부(30)와 절단부(40)를 형성하여 어느 한쪽이 균열에 의하여 파손되더라도 계속 사용할 수 있게 구성하는 것이 바람직하며 압착부(30)와 절단부(40)의 형성은 상·하로 2개소에 형성하게 할 수도 있으나 4각형의 각단면에 4지형으로 각각 형성하는 것도 가능하다.Since the tool horn 10 is exposed to repeated high temperatures due to frictional heat caused by ultrasonic vibration and vibration, cracks are generated due to fatigue phenomenon, so that the tool horn 10 is formed by pressing the cutting part 30 and the cutting part 40 up and down. It is preferable to configure it so that it can be used continuously even if one side is damaged by cracking, and the formation of the crimping part 30 and the cutting part 40 may be formed in two places up and down. It is also possible to form each.

이상에서 설명한 바와 같이 본 고안은 초음파용접기에서 용접부에 초음파진동을 가하면서 압착하여 용접하는 공구혼과 엔빌의 구조를 파이프의 절단과 동시에 압착용접할 수 있게 구성하여 생산성을 향상할 수 있게 하는 효과가 있다.As described above, the present invention has an effect of improving the productivity by constructing a tool horn and anvil structure which are crimped and welded while applying ultrasonic vibration to the welding part in the ultrasonic welding machine at the same time as cutting the pipe. have.

Claims (1)

초음파진동을 이용하여 용접하는 초음파용접기의 공구혼(10)과 엔빌(20)의 구조에 있어서,In the structure of the tool horn 10 and the anvil 20 of the ultrasonic welding machine to weld using ultrasonic vibration, 공구혼(10)과 엔빌(20)의 일측에 절단부(40)를 형성하여 서로 맞물리게 구성하고 절단부에 인접하여 압착부(30)를 형성하여 파이프(50)의 절단과 동시에 압착용접을 가능하게 한 것을 특징으로 하는 초음파용접기의 공구혼과 엔빌구조.The cutting portion 40 is formed on one side of the tool horn 10 and the anvil 20 to be engaged with each other, and the pressing portion 30 is formed adjacent to the cutting portion to cut the pipe 50 and to simultaneously press-bond the cutting horn. Tool horn and anvil structure of the ultrasonic welding machine.
KR2020060008065U 2006-03-27 2006-03-27 The structure of the tool horn and anvil of the ultrasonic welder KR200418336Y1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101124327B1 (en) * 2009-02-19 2012-03-15 주식회사티움리서치 Lithium Battery and its assembly method
KR101697198B1 (en) 2015-09-30 2017-01-17 국방과학연구소 Ultrasonic welding apparatus
KR102510839B1 (en) * 2022-04-05 2023-03-17 윤석운 The anvil manufacturing method for the battery cell junction and the anvil getting with the method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101124327B1 (en) * 2009-02-19 2012-03-15 주식회사티움리서치 Lithium Battery and its assembly method
KR101697198B1 (en) 2015-09-30 2017-01-17 국방과학연구소 Ultrasonic welding apparatus
KR102510839B1 (en) * 2022-04-05 2023-03-17 윤석운 The anvil manufacturing method for the battery cell junction and the anvil getting with the method thereof

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