JP3040868B2 - Transducer parts - Google Patents
Transducer partsInfo
- Publication number
- JP3040868B2 JP3040868B2 JP3359779A JP35977991A JP3040868B2 JP 3040868 B2 JP3040868 B2 JP 3040868B2 JP 3359779 A JP3359779 A JP 3359779A JP 35977991 A JP35977991 A JP 35977991A JP 3040868 B2 JP3040868 B2 JP 3040868B2
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- horn
- tensile strength
- elongation
- value
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0623—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers coupled with a vibrating horn
Description
【０００１】[0001]
【産業上の利用分野】本発明は、超音波振動を利用した
超音波液体霧化装置に実装するボルト締めランジュバン
型振動子に振幅拡大用の振動子用ホーンを結合した振動
子部品に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibrator component comprising a bolt-fastened Langevin type vibrator mounted on an ultrasonic liquid atomizer utilizing ultrasonic vibration and a vibrator horn for amplitude expansion. is there.
【０００２】[0002]
【従来の技術】ボルト締めランジュバン型振動子と結合
し、振幅拡大に用いる振動子用ホーンの材料としては、
従来は機械的強度が高く、又高い効率とするため非磁性
材のチタンを主成分とする、チタン（Ｔｉ），アルミニ
ウム（Ａｌ），バナジウム（Ｖ）合金、非磁性ステンレ
ス、高力アルミニウム合金等の材料が一般に使用されて
おり、材料強度の面では引っ張り強さの値が高い材料が
用いられ、強度的な面ではチタン合金、非磁性ステンレ
ス、高力アルミニウムの順に低くなるが、価格的な面か
ら見るとチタン合金、非磁性ステンレス、高力アルミニ
ウムの順に安価となる。このため通常は引っ張り強さの
値も比較的高く、安価な高力アルミニウムが最もよく使
用されており、特に表１に示す高力アルミニウム合金で
ＪＩＳで表示されているＡ２０００系のＡ２０１７−Ｔ
４材，Ａ５０００系のＡ５０５６−Ｈ１８材，Ａ７００
０系のＡ７０７５−Ｔ６材等の溶体化処理後硬化処理を
施した高い引っ張り強さを有する材料が通常超音波振動
子用ホーン材料として使用されている。図１の（ａ）
は、電極４を取り付けた圧電振動子１を金属ブロック２
で挟み締めつけたボルト締めランジュバン型超音波振動
子に、２段に振幅を拡大するための振動子用ホーンを組
み合わせて振動子用ホーンの先端に高振幅の出力を得る
よう構成した超音波霧化装置用の超音波振動子部品であ
るが、これら従来の高力アルミニウム合金で、溶体化し
時効硬化処理を施した高い引っ張り強さを有する、Ａ２
０１７−Ｔ４材，Ａ５０５６−Ｈ１８材，Ａ７０７５−
Ｔ６材等の材料で作られた振動子用ホーンは、特にＡ２
０１７−Ｔ４は表１に示すように、引っ張り強さの値が
高く、かつ伸びも大きく超音波霧化装置に用いられてき
たが、超音波で加振した時、図１の（ｂ）に示す応力が
最大となるＣの部分から折損することがあり、信頼性、
寿命といった点で問題があった。2. Description of the Related Art As a material for a horn for a vibrator, which is combined with a bolted Langevin type vibrator and used for amplitude expansion,
Conventionally, titanium (Ti), aluminum (Al), vanadium (V) alloy, non-magnetic stainless steel, high-strength aluminum alloy, etc., mainly containing titanium as a non-magnetic material for high mechanical strength and high efficiency. Materials are generally used.In terms of material strength, materials with high values of tensile strength are used.In terms of strength, titanium alloys, non-magnetic stainless steel, and high-strength aluminum are lower in this order. From the viewpoint, the cost becomes lower in the order of titanium alloy, non-magnetic stainless steel, and high-strength aluminum. For this reason, the value of the tensile strength is usually relatively high, and inexpensive high-strength aluminum is most often used. In particular, the high-strength aluminum alloys shown in Table 1 are A2000-series A2017-T indicated by JIS.
4 materials, A5056-H18 material of A5000 series, A700
A material having a high tensile strength which has been subjected to a hardening treatment after a solution treatment such as an A7075-T6 material of type 0 is usually used as a horn material for an ultrasonic vibrator. FIG. 1 (a)
Means that the piezoelectric vibrator 1 to which the electrode 4 is attached is
Ultrasonic atomizer configured to obtain high-amplitude output at the tip of the vibrator horn by combining the bolted Langevin type ultrasonic vibrator clamped and tightened with the horn for vibrator to expand the amplitude in two stages A2 is an ultrasonic transducer part for a device, which is a conventional high-strength aluminum alloy, which has a high tensile strength that has been subjected to solution treatment and age hardening treatment.
017-T4 material, A5056-H18 material, A7075-
Transducer horns made of materials such as T6
As shown in Table 1, 017-T4 has been used in an ultrasonic atomizer having a high value of tensile strength and a large elongation. It may break from the part of C where the indicated stress becomes maximum,
There was a problem in terms of life.
【０００３】[0003]
【表１】 振動子用ホーンの物理的特性 [Table 1] Physical characteristics of transducer horn
【０００４】[0004]
【発明が解決しようとする課題】本発明はこれらの課題
を除去するため、超音波液体霧化装置に用いる高振幅の
振動子用ホーンの材料として、従来は引っ張り強さの値
が大きい材料を、振幅拡大のための振動子用ホーン材料
として選択する場合の基準としていたのに対し、引っ張
り強さの値は応力が最大値となる値を満たす特性であれ
ばよく、かつ伸びの値が大きな、アルミニウムを主成分
とする合金材料を使用して、応力集中部分における伸び
に余裕をもたせ応力値を緩和することにより、折損を防
止し、高信頼性かつ長寿命で、経済的にも安価な超音波
液体霧化装置用の高振幅の振動子部品を提供することを
目的とする。SUMMARY OF THE INVENTION In order to solve these problems, the present invention uses a material having a large tensile strength as a material for a high-amplitude oscillator horn used in an ultrasonic liquid atomizer. In contrast to the criterion when selecting as a horn material for a vibrator for amplitude expansion, the value of the tensile strength may be a characteristic that satisfies the value that maximizes the stress, and the value of the elongation is large. By using an alloy material containing aluminum as the main component, by giving a margin to the elongation at the stress concentration portion and relaxing the stress value, breakage is prevented, high reliability and long life, economically inexpensive It is an object of the present invention to provide a high-amplitude vibrator component for an ultrasonic liquid atomizer.
【０００５】[0005]
【課題を解決するための手段】本発明は超音波による液
体霧化装置用のボルト締めランジュバン型振動子に結合
し使用する振幅拡大のための振動子用ホーンにおいて、
このボルト締めランジュバン型振動子に結合する振動子
用ホーンの材質として引っ張り強さが大きく、かつ伸び
率の値が大きな、アルミニウム合金のＪＩＳＡ２０００
系，ＪＩＳＡ３０００系，及びＪＩＳＡ５０００系の引
っ張り強さが１５Ｋｇ／ｍｍ２以上で、伸 びの値が１
５％以上の高力アルミニウム材を用いることにより、先
端の振幅を大きくした高振幅の振動子用ホーンとして
も、超音波振動時応力の集中する部分において、切損の
生ずることのない信頼性の高いボルト締めランジュバン
型振動子に振動子用ホーンを結合した振動子部品を得る
ものである。SUMMARY OF THE INVENTION The present invention provides a horn for amplitude expansion which is used in combination with a bolted Langevin type oscillator for a liquid atomizer using ultrasonic waves.
As a material of the horn for a vibrator to be coupled to the bolted Langevin type vibrator, a JIS 2000 aluminum alloy having high tensile strength and a large elongation value is used.
System, JISA3000 system, and JISA5000 system tensile strength of 15 Kg / mm 2 or more, the value of elongation 1
By using a high-strength aluminum material of 5% or more, even if it is used as a high-amplitude vibrator horn with a large amplitude at the tip, it has a reliability that does not cause cut-off at the part where stress during ultrasonic vibration is concentrated. A vibrator component comprising a high bolted Langevin type vibrator and a vibrator horn coupled thereto.
【０００６】即ち本発明は、液体霧化装置に用いられ、
ランジュバン型ボルト締め振動子に段付き型振動子用ホ
ーンを結合した振動子部品において、前記振動子用ホー
ンは、引っ張り強さが１５Ｋｇ／ｍｍ２ないし４０Ｋｇ
／ｍｍ２で、かつ伸びが１５％以上の高力アルミニウム
合金からなることを特徴とする振動子部品である。That is, the present invention is used for a liquid atomizing device,
In a vibrator component in which a stepped vibrator horn is coupled to a Langevin type bolted vibrator, the vibrator horn has a tensile strength of 15 kg / mm 2 to 40 kg.
A vibrator component characterized by being made of a high-strength aluminum alloy having an elongation of at least 15% / mm 2 .
【０００７】[0007]
【作用】本発明における図１の（ａ）に示すボルト締め
ランジュバン型振動子の振動子用ホーンは、液体霧化装
置に使用する場合、通常６０ＫＨｚで励振しているが、
超音波振動時に、図１の（ｂ）に示す振動子用ホーンの
応力が最大となるＣの部分においては、振幅は大きいが
負荷が液体であるため応力の値も高々１０Ｋｇ／ｍｍ2
程であり、従って振動子用ホーンに使用する材料の引っ
張り強さは１５Ｋｇ／ｍｍ2以上もあればよく、又伸び
の値はＡ２０１７−Ｔ４の１３％以上の特性を有する材
料であればよく、供試材としては引っ張り強さの値が１
５Ｋｇ／ｍｍ2以上で、伸びが１５％以上の高力アルミ
ニウム材を用いた。高力アルミニウム合金はアルミニウ
ムを主成分とし、ＪＩＳＡ２０００系、ＪＩＳＡ３００
０系、ＪＩＳＡ５０００系等があり、夫々主な添加元素
としてＪＩＳＡ２０００系では銅（Ｃｕ），ＪＩＳＡ３
０００系ではマンガン（Ｍｎ），ＪＩＳＡ５０００系で
はマグネシウム（Ｍｇ）であるが、他にシリコン（Ｓ
ｉ），鉄（Ｆｅ），クロム（Ｃｒ）等が添加された合金
である。従って夫々の合金でも完全焼なまし状態、又溶
体化後の硬化処理により、材料の引っ張り強さ、及び伸
びの値が大幅に変わり、これらの合金の中で、本発明に
おける液体霧化装置用の特に振動子用ホーン材料として
は、ＪＩＳＡ２０００系、ＪＩＳＡ３０００系、ＪＩＳ
Ａ５０００系において、引っ張り強さが１５Ｋｇ／ｍｍ
2以上で、かつ伸びの値が１５％以上の材料を用いるも
のである。なお、高力アルミニウム合金で引っ張り強さ
が１５Ｋｇ／ｍｍ2で、かつ伸びの値が１５％以上の材
料としては引っ張り強さの値は高々４０Ｋｇ／ｍｍ2以
下で１５Ｋｇ／ｍｍ2の範囲の値の合金となる。The horn for a vibrator of the bolted Langevin type vibrator shown in FIG. 1A in the present invention is normally excited at 60 KHz when used in a liquid atomizing apparatus.
At the time of the ultrasonic vibration, in the portion C where the stress of the vibrator horn shown in FIG. 1B is maximum, the stress value is at most 10 kg / mm 2 because the load is a liquid but the amplitude is large.
Therefore, the tensile strength of the material used for the vibrator horn may be 15 kg / mm 2 or more, and the elongation value may be any material having a property of 13% or more of A2017-T4. The value of tensile strength is 1
A high-strength aluminum material of 5 kg / mm 2 or more and elongation of 15% or more was used. High strength aluminum alloy is mainly composed of aluminum, JISA2000 series, JISA300
No. 0, JISA 5000, etc., and copper (Cu), JISA 3
000 series is manganese (Mn), JIS 5000 series is magnesium (Mg), but other silicon (S
i), an alloy to which iron (Fe), chromium (Cr) and the like are added. Therefore, the tensile strength of the material and the elongation value of the material are greatly changed by the hardening treatment after solution annealing even in each of the alloys, and among these alloys, the liquid atomizing device of the present invention is used. In particular, as a horn material for a vibrator, JIS 2000 series, JISA 3000 series, JIS
In A5000 series, tensile strength is 15kg / mm
A material having a value of 2 or more and a value of elongation of 15% or more is used. Incidentally, high-strength aluminum alloy with a tensile strength of at 15 Kg / mm 2, and elongation values are strong tensile as more than 15% of the material is a value at most 40 Kg / mm 2 in the range of 15 Kg / mm 2 value Alloy.
【０００８】[0008]
【実施例】供試振動子用ホーンは、励振周波数６０ＫＨ
ｚ，入力１０Ｗａｔｔ，ボルト締めランジュバン型振動
子の形状、及び振動子用ホーンの形状は、図１の（ａ）
に示す通りであり、ボルト締めランジュバン型振動子は
径が１５ｍｍ，圧電振動子を含めた長さは４０ｍｍ，振
動子用ホーンは２段振幅拡大構造で、径が１５ｍｍ、長
さが８０ｍｍとした。供試材はＪＩＳＡ２０００系、Ｊ
ＩＳＡ３０００系、ＪＩＳＡ５０００系の合金の内、引
っ張り強さは１５Ｋｇ／ｍｍ２以上 で、かつ伸び１５
％以上の特性を有する表２に示す材料を用い、比較例と
して、従来液体霧化装置用の振動子用ホーン材として使
用されているＡ２０１７−Ｔ４材を用いた。各供試材に
より、試料を各１０個作り、加工したまま再熱処理する
ことなく、各試料につき６０ＫＨｚ，１０Ｗａｔｔ入力
で連続３００時間の加振を行った。なお、材料製造業者
において、表２に記載された条件で処理された材料を入
手し、前記の通り振動子用ホーンに加工し使用した。実
施例の結果は表２に示す通りで、従来の比較例として用
いたＡ２０１７−Ｔ４材では、１０個中５個の破損が生
じたが、実施例１ないし実施例８においては各条件の供
試個数、１０個の内１個も破断するものはなかった。[Example] The horn for the test transducer has an excitation frequency of 60 KH.
z, input 10 Watt, shape of bolted Langevin type vibrator, and shape of vibrator horn are shown in FIG.
As shown in the figure, the bolted Langevin type vibrator has a diameter of 15 mm, the length including the piezoelectric vibrator is 40 mm, and the horn for the vibrator has a two-stage amplitude enlarged structure, a diameter of 15 mm and a length of 80 mm. . The test material is JISA2000, J
Among the alloys of the ISA3000 series and the JIS5000 series, the tensile strength is 15 kg / mm 2 or more and the elongation is 15
% Of the material shown in Table 2 and, as a comparative example, an A2017-T4 material conventionally used as a horn material for a vibrator for a liquid atomizer. Ten samples were prepared from each test material, and the samples were subjected to continuous vibration for 300 hours at 60 KHz and 10 Watt input without re-heating while being processed. A material manufacturer obtained a material treated under the conditions described in Table 2 and processed it into a horn for a vibrator as described above. The results of the example are shown in Table 2. In the A2017-T4 material used as the conventional comparative example, five out of ten pieces were damaged. None of the 10 samples were broken.
【０００９】[0009]
【表２】 注１）−０ 完全焼なまし材、 −Ｔ４ 溶体化処理後
常温時効処理済材 注２）３００時間加振後の破断の数 ０／１０の分子は
破損個数、分母は試験個 数を示す[Table 2] Note 1) -0 Completely annealed material, -T4 Material subjected to normal temperature aging treatment after solution treatment. Note 2) Number of fractures after 300 hours of vibration. The numerator of 0/10 indicates the number of fractures, and the denominator indicates the number of tests.
【００１０】[0010]
【発明の効果】本発明によれば、超音波液体霧化装置に
用いるボルト締めランジュバン型振動子に接合する振動
子用ホーンとして、高力アルミニウムで引っ張り強さが
１５Ｋｇ／ｍｍ２以上４０Ｋｇ／ｍｍ２以下で、伸びの
値が１５％以上の材料を用いることにより、振動子用ホ
ーンの応力最大部分で破損することのない振動子部品を
提供できるようになった。According to the present invention, as a horn for a vibrator to be joined to a bolted Langevin type vibrator used in an ultrasonic liquid atomizer, a high-strength aluminum having a tensile strength of 15 kg / mm 2 to 40 kg / mm 2 or more. By using a material having an elongation of 15% or less at 2 or less, it is possible to provide a vibrator component that does not break at the maximum stress portion of the vibrator horn.
【図１】図１の（ａ）は液体霧化装置に用いるボルト締
めランジュバン型振動子と２段振幅拡大振動子用ホーン
を示す正面図、図１の（ｂ）は応力分布特性図。FIG. 1A is a front view showing a bolted Langevin type vibrator and a horn for a two-stage amplitude expanding vibrator used in a liquid atomizing apparatus, and FIG. 1B is a stress distribution characteristic diagram.
【符号の説明】 １ 圧電振動子 ２ 金属ブロック ３ 振動子用ホーン ４ 電極 ５ ナット[Description of Signs] 1 piezoelectric vibrator 2 metal block 3 horn for vibrator 4 electrode 5 nut
Claims (1)
型ボルト締め振動子に段付き型振動子用ホーンを結合し
た振動子部品において、前記振動子用ホーンは、引っ張
り強さが１５Ｋｇ／ｍｍ２ないし４０Ｋｇ／ｍｍ２で、
かつ伸びが１５％以上の高力アルミニウム合金からなる
ことを特徴とする振動子部品。1. A vibrator component used in a liquid atomizer, wherein a horn for a stepped vibrator is coupled to a Langevin-type bolted vibrator, wherein the vibrator horn has a tensile strength of 15 kg / mm 2. to at 40Kg / mm 2,
A vibrator component comprising a high-strength aluminum alloy having an elongation of 15% or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3359779A JP3040868B2 (en) | 1991-12-26 | 1991-12-26 | Transducer parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3359779A JP3040868B2 (en) | 1991-12-26 | 1991-12-26 | Transducer parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05177169A JPH05177169A (en) | 1993-07-20 |
| JP3040868B2 true JP3040868B2 (en) | 2000-05-15 |
Family
ID=18466253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3359779A Expired - Lifetime JP3040868B2 (en) | 1991-12-26 | 1991-12-26 | Transducer parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3040868B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902109B (en) * | 2018-04-04 | 2023-06-09 | 韦菲斯股份有限公司 | Surgical instrument, in particular phacoemulsification handpiece |
-
1991
- 1991-12-26 JP JP3359779A patent/JP3040868B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05177169A (en) | 1993-07-20 |
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