JP3161367U - Material testing machine for extra fine wires - Google Patents

Material testing machine for extra fine wires Download PDF

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JP3161367U
JP3161367U JP2010003200U JP2010003200U JP3161367U JP 3161367 U JP3161367 U JP 3161367U JP 2010003200 U JP2010003200 U JP 2010003200U JP 2010003200 U JP2010003200 U JP 2010003200U JP 3161367 U JP3161367 U JP 3161367U
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pipe
test piece
testing machine
cylindrical pin
material testing
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裕也 三田
裕也 三田
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Shimadzu Corp
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Abstract

【課題】接着と折り返しを併用することにより、試験片の損傷を防ぐことができる極細線用材料試験機を提供する。【解決手段】互いに対向するそれぞれの面に円筒ピンに係合する嵌合孔と保護パイプを咬止する溝を設けた本体部材と押さえ部材と、対向方向に本体部材と押さえ部材を強圧する締付部材とで構成されたチャックを上下に備え、極細線試験片２１の先端部を保護パイプに挿入し保護パイプの端面より突出した部分を保護パイプの外径以上の長さの円筒ピンに巻き掛けて折り返し、折り返した先端部を円筒ピンが保護パイプの端面に当接するまで再挿入し、挿入部に接着剤を充填した先端組立品１０を極細線試験片２１の両端に形成し、チャックに挟持した。【選択図】図１An object of the present invention is to provide an ultrafine wire material testing machine capable of preventing damage to a test piece by using both adhesion and folding. A body member and a pressing member provided with a fitting hole that engages a cylindrical pin and a groove that bites a protective pipe on each surface facing each other, and a tightening that strongly presses the body member and the pressing member in the opposing direction. A chuck composed of an attached member is provided at the top and bottom, the tip of the ultrafine wire test piece 21 is inserted into a protective pipe, and the portion protruding from the end face of the protective pipe is wound around a cylindrical pin having a length longer than the outer diameter of the protective pipe. The folded tip is reinserted until the cylindrical pin comes into contact with the end face of the protective pipe, and the tip assembly 10 in which the insertion portion is filled with the adhesive is formed at both ends of the micro wire test piece 21 and is attached to the chuck. I pinched it. [Selection] Figure 1

Description

本考案は、極細線試験片を試験するための材料試験機であって、特に極細線試験片を挟持するチャックに関する。   The present invention relates to a material testing machine for testing an ultrafine wire test piece, and more particularly to a chuck for clamping the ultrafine wire test piece.

一般に、材料試験における引張試験は試験機に設けた上下２個のチャックにそれぞれ試験片の両端を挟持して行われる。極細線を試験する場合、試験片を挟持するチャックには、極細線がすべらないこと、チャックにより切断されないこと、最小の摩擦力で極細線を把持できることなどが要求される。   In general, a tensile test in a material test is performed by holding both ends of a test piece between two upper and lower chucks provided in a testing machine. When testing an extra fine wire, the chuck that pinches the test piece is required not to slide the extra fine wire, not to be cut by the chuck, and to hold the extra fine wire with a minimum frictional force.

従来は、固定部と押圧部との間に試験片を挟持するチャックであって、前記固定部と押圧部が対向するそれぞれの面に相互に噛合可能な凹凸部を設け、前記固定部または押圧部の一方の側に対抗面に前記試験片を巻き掛けるピンを突設すると共に、他方の側に前記ピンが係合する嵌合孔を設け、さらに前記固定部と押圧部とを互いに対向する方向に強圧する締付部材を取付けたものがある。（特許文献１参照）   Conventionally, a chuck for holding a test piece between a fixed portion and a pressing portion, and provided with an uneven portion that can be engaged with each other on each surface where the fixing portion and the pressing portion face each other. A pin for projecting the test piece is provided on one side of the part and a fitting hole for engaging the pin is provided on the other side, and the fixing part and the pressing part are opposed to each other. Some of them are equipped with a tightening member that presses strongly in the direction. (See Patent Document 1)

また、試験片の両端に保護パイプを取付け、その外側を固定部材と押圧部材で挟持する方式がとられている。   Moreover, the system which attaches a protection pipe to the both ends of a test piece, and clamps the outer side with a fixing member and a press member is taken.

実開平６−１２９４０号公報Japanese Utility Model Publication No. 6-12940

従来の相互に噛合可能な凹凸部を設け、その間に極細線試験片を挟持する方式では、試験片の挟持部分が傷つくために疲労試験に耐えない。また、保護パイプ方式では試験片と保護パイプとの摩擦力を増すために大きな押圧力で固定部と押圧部を締付けるため試験片が塑性変形し、試験中に破損する問題があった。   In the conventional method in which the meshed concave and convex portions are provided and the ultrafine wire test piece is sandwiched between them, the sandwiched portion of the test piece is damaged, and the fatigue test cannot be endured. In addition, the protective pipe method has a problem that the test piece is plastically deformed and damaged during the test because the fixing portion and the pressing portion are tightened with a large pressing force in order to increase the frictional force between the test piece and the protective pipe.

互いに対向するそれぞれの面に円筒ピンに係合する嵌合孔とパイプを咬止する溝を設けた本体部材と押さえ部材と、さらに対向方向に前記本体部材と押さえ部材を強圧する締付部材とで構成されたチャックを上下に備えた材料試験機であって、極細線試験片の先端部を前記パイプに挿入しパイプの端面より突出した部分を前記パイプの外径以上の長さの前記円筒ピンに巻き掛けて折り返し、折り返した先端部を前記円筒ピンが前記パイプの端面に当接するまで再挿入すると共に挿入部に接着剤を充填した先端組立品を前記極細線試験片の両端に形成し、前記チャックに挟持する。また、前記パイプの円筒ピンが当接する側の端面中央部にＶ字形の溝を設け、前記円筒ピンを前記Ｖ字形溝に沿わせて再挿入する。さらに、前記本体部材と押さえ部材に設けられた前記パイプを咬止する溝の内側に切欠を設ける。   A main body member and a pressing member provided with a fitting hole that engages with a cylindrical pin and a groove for biting a pipe on each surface facing each other, and a tightening member that strongly pressurizes the main body member and the pressing member in the opposing direction. A material testing machine provided with a chuck composed of a top and bottom, wherein a tip of an ultrafine wire test piece is inserted into the pipe, and a portion protruding from an end surface of the pipe is longer than the outer diameter of the pipe. Wrap it around a pin, and re-insert the folded tip until the cylindrical pin comes into contact with the end face of the pipe, and form a tip assembly filled with an adhesive at the ends of the microwire test piece. , Sandwiched by the chuck. Further, a V-shaped groove is provided at the center of the end surface of the pipe on the side where the cylindrical pin comes into contact, and the cylindrical pin is reinserted along the V-shaped groove. Furthermore, a notch is provided inside a groove for biting the pipe provided in the main body member and the pressing member.

接着と折り返しを併用することにより、試験片の損傷を防ぐことができる。また、Ｖ溝加工と咬止溝の切欠により小さな押圧力で必要な把持力を得ることができる。   By using adhesion and folding together, damage to the specimen can be prevented. Further, the necessary gripping force can be obtained with a small pressing force by the V-groove processing and the notch of the biting groove.

本考案の材料試験機の正面外観図である。It is a front external view of the material testing machine of this invention. 本考案の材料試験機の右側面外観図である。It is a right side external view of the material testing machine of this invention. 本考案のチャックの展開図である。It is an expanded view of the chuck | zipper of this invention. 本考案の先端組立品の斜視図である。It is a perspective view of the tip assembly of the present invention. 本考案の先端組立品の斜視図である。It is a perspective view of the tip assembly of the present invention. 本考案の先端組立品挟持縦断面拡大図である。It is a longitudinal cross-section enlarged view of the tip assembly sandwiched by the present invention. 本考案の第２実施例の先端組立品斜視図である。It is a tip assembly perspective view of the 2nd example of the present invention. 本考案の第３実施例の押さえ部材正面図である。It is a pressing member front view of the 3rd example of the present invention.

互いに対向するそれぞれの面に円筒ピンに係合する嵌合孔とパイプを咬止する溝を設けた本体部材と押さえ部材と、さらに対向方向に前記本体部材と押さえ部材を強圧する締付部材とで構成されたチャックを上下に備えた材料試験機であって、極細線試験片の先端部を前記パイプに挿入しパイプの端面より突出した部分を前記パイプの外径以上のより大きい長さの前記円筒ピンに巻き掛けて折り返し、折り返した先端部を前記円筒ピンが前記パイプの端面に当接するまで再挿入すると共に挿入部に接着剤を充填した先端組立品を前記極細線試験片の両端に形成し、前記チャックに挟持した極細線用材料試験機であるが、以下図面に示す実施例に基づいて説明する。   A main body member and a pressing member provided with a fitting hole that engages with a cylindrical pin and a groove for biting a pipe on each surface facing each other, and a tightening member that strongly pressurizes the main body member and the pressing member in the opposing direction. The material testing machine is provided with upper and lower chucks composed of: a tip portion of an ultrafine wire test piece inserted into the pipe, and a portion protruding from the end surface of the pipe having a larger length than the outer diameter of the pipe Wrap it around the cylindrical pin, fold it back, and reinsert the folded tip until the cylindrical pin comes into contact with the end surface of the pipe, and insert the tip assembly filled with adhesive into the ends of the microwire test piece. An ultrafine wire material testing machine formed and sandwiched between the chucks will be described below based on an embodiment shown in the drawings.

本考案が提供する実施例１を図１から図６に示す。図１は本考案のチャックに先端組立品を挟持した極細線用材料試験機の正面外観図であり、図２は右側面外観図を示す。図３は本考案のチャック展開図で、図４、図５は先端組立品斜視図である。図６は図１におけるＡ−Ａ断面拡大図を示す。   A first embodiment provided by the present invention is shown in FIGS. FIG. 1 is a front external view of an ultrafine wire material testing machine in which a tip assembly is sandwiched between chucks of the present invention, and FIG. 2 is a right side external view. FIG. 3 is a developed view of the chuck of the present invention, and FIGS. 4 and 5 are perspective views of the tip assembly. FIG. 6 shows an AA cross-sectional enlarged view in FIG.

本考案の極細線用材料試験機２３は、図１および図２に示すとおり、台座１の上にロードセル２を固定し、その上にロードセルアダプタ３と連結金具４を介して本体部材９と押さえ部材１１の間に極細線試験片２１の両端に構成された後述の先端組立品１０を挟持した下部チャック５が固定されており、下部チャック５に対向して同じ構成の上部チャック６が連結金具８を介してアクチュエータ７に固定されている。   As shown in FIGS. 1 and 2, the ultrathin wire material testing machine 23 of the present invention fixes a load cell 2 on a pedestal 1, and holds a main body member 9 and a presser via a load cell adapter 3 and a connecting metal fitting 4 thereon. A lower chuck 5 is sandwiched between members 11 and sandwiched between end members 10 (described later) formed at both ends of the ultrafine wire test piece 21, and the upper chuck 6 having the same configuration is connected to the lower chuck 5. It is fixed to the actuator 7 via 8.

下部チャック５は、図３に示すとおり連結金具４と接続されるフランジ部９ｂと先端組立品１０を取付ける端面Ｃを設けたブロック９ａとから構成された本体部材９と、押さえ部材１１と、先端組立品１０と、本体部材９に前記押さえ部材１１を螺着するボルト１２から構成されている。   As shown in FIG. 3, the lower chuck 5 includes a main body member 9 including a flange portion 9 b connected to the connection fitting 4 and a block 9 a provided with an end face C for attaching the tip assembly 10, a pressing member 11, a tip The assembly 10 is composed of a bolt 12 for screwing the pressing member 11 onto the main body member 9.

さらに本体部材９の端面Ｃには、図３に示すとおり保護パイプ１３（図４参照）を咬止する溝１７と、溝１７の底部に円筒ピン１６（図４参照）に係合する嵌合孔１８および押さえ部材１１を取付けるネジ穴２４が設けられている。   Further, as shown in FIG. 3, the end face C of the main body member 9 is engaged with a groove 17 for engaging the protective pipe 13 (see FIG. 4) and a cylindrical pin 16 (see FIG. 4) at the bottom of the groove 17. A screw hole 24 for attaching the hole 18 and the pressing member 11 is provided.

先端組立品１０は、図４、図５に示すとおり保護パイプ１３に極細線の先端部１４を挿入し保護パイプ１３の端面１５から突出した先端部１４を前記円筒ピン１６に巻き掛けて折り返し、折り返した先端部１４を円筒ピン１６が保護パイプ１３の端面１５に当接するまで（図５参照）再挿入すると共に再挿入した部分に接着剤２２を充填したものである。   As shown in FIGS. 4 and 5, the tip assembly 10 is inserted by inserting a tip 14 of an extra fine wire into the protective pipe 13, wrapping the tip 14 protruding from the end face 15 of the protective pipe 13 around the cylindrical pin 16, The folded tip portion 14 is reinserted until the cylindrical pin 16 contacts the end face 15 of the protective pipe 13 (see FIG. 5), and the reinserted portion is filled with the adhesive 22.

図３に示すとおり押さえ部材１１の本体部材９に対向する端面Ｄには、保護パイプ１３を咬止する溝１７と、溝１７の底部に円筒ピン１６に係合する図示されていない嵌合孔１８が設けられている。   As shown in FIG. 3, the end surface D of the pressing member 11 that faces the main body member 9 has a groove 17 that holds the protective pipe 13 and a fitting hole (not shown) that engages the cylindrical pin 16 at the bottom of the groove 17. 18 is provided.

下部チャック５は以上詳述した部材を図６に示すとおり、本体部材９の嵌合孔１８に先端組立品１０の円筒ピン１６の一方の端を嵌合し、溝１７に保護パイプ１３を沿わせて設置し、押さえ部材１１の嵌合孔１８を円筒ピン１６の他方の端に合わせて嵌合し、溝１７に保護パイプ１３を沿わせて本体部材９と合わせ、図３に示すボルト１２で螺着させたものである。なお、上部チャック６は下部チャック５と同じ構成であるため説明を省略する。   As shown in FIG. 6, the lower chuck 5 is configured by fitting one end of the cylindrical pin 16 of the tip assembly 10 into the fitting hole 18 of the main body member 9 as shown in FIG. 3, the fitting hole 18 of the pressing member 11 is fitted to the other end of the cylindrical pin 16, the protective pipe 13 is aligned with the groove 17, and the main body member 9, and the bolt 12 shown in FIG. Screwed with. The upper chuck 6 has the same configuration as the lower chuck 5 and will not be described.

以上、本考案は、極細線を保護パイプで保護すると共に接着剤の充填を可能にし、接着剤は極細線を固定してすべりをなくすとともに、保護パイプを本体部材と押さえ部材とで咬止する際の過度な力の緩衝作用があり試験片の初期損傷を無くす効果がある。   As described above, the present invention protects the fine wire with the protective pipe and enables filling of the adhesive, and the adhesive fixes the fine wire to eliminate the slip, and bites the protective pipe with the main body member and the pressing member. There is an effect of buffering an excessive force at the time and eliminating the initial damage of the test piece.

本考案の第２実施例を図７に示す。第２実施例は、第１実施例を基本構成とし、図７に示すとおり保護パイプ１３の端面１５にＶ字形溝１９を削成し、円筒ピン１６をＶ字形溝１９に当接させ固着力を増すものである。   A second embodiment of the present invention is shown in FIG. The second embodiment is based on the first embodiment, and a V-shaped groove 19 is formed on the end face 15 of the protective pipe 13 as shown in FIG. Increase.

本考案の第３の実施例を図８に示す。第３の実施例は、第１の実施例を基本構成とし、図８に示すとおり本体部材９と押さえ部材１１の両方の保護パイプ１３を咬止する溝１７の内側に切欠２０を設けたものである。切欠２０としてはポンチを打つことで小さなくぼみを作ることができる。くぼみを作ることで保護パイプ１３はこの切欠２０がひっかかりとなって、保護パイプ１３と本体部材９あるいは押さえ部材１１との間ですべりを生じることが少なくなる。   A third embodiment of the present invention is shown in FIG. In the third embodiment, the basic configuration of the first embodiment is used, and as shown in FIG. 8, a notch 20 is provided inside a groove 17 that holds the protective pipe 13 of both the main body member 9 and the pressing member 11. It is. As the notch 20, a small depression can be made by punching. By forming the recess, the notch 20 is caught in the protective pipe 13, and slippage between the protective pipe 13 and the main body member 9 or the pressing member 11 is reduced.

本考案が提供する極細線用チャックの特徴は以上のとおりであるが、上記ならびに図示例に限定されるものではなく、例えば図７において端面１５に削成するＶ字形溝１９は、円筒ピン１６の外径以上の直径の半円底のＵ字形でも可能である。本考案はこれらの全てを包含するものである。   The features of the ultrafine wire chuck provided by the present invention are as described above. However, the present invention is not limited to the above and illustrated examples. For example, the V-shaped groove 19 formed in the end face 15 in FIG. A semicircular bottom U-shape with a diameter equal to or greater than the outer diameter of the outer diameter is also possible. The present invention encompasses all of these.

汎用の材料と加工方法で、極細線試料の挟持チャックに必要なすべり止め、初期破損の防止効果を得ることができ産業上利用可能である。   With the use of general-purpose materials and processing methods, it is possible to obtain the effect of preventing slippage and preventing initial breakage necessary for clamping chucks for ultra-fine wire samples, which can be used industrially.

１ 台座
２ ロードセル
３ ロードセルアダプタ
４ 連結金具
５ 下部チャック
６ 上部チャック
７ アクチュエータ
８ 連結金具
９ 本体部材
９ａ ブロック
９ｂ フランジ部
１０ 先端組立品
１１ 押さえ部材
１２ ボルト
１３ 保護パイプ
１４ 先端部
１５ 端面
１６ 円筒ピン
１７ 溝
１８ 嵌合孔
１９ Ｖ字形溝
２０ 切欠
２１ 極細線試験片
２２ 接着剤
２３ 極細線用材料試験機
２４ ネジ穴
Ｃ 端面
Ｄ 端面 1 Pedestal 2 Load cell 3 Load cell adapter 4 Connecting bracket 5 Lower chuck 6 Upper chuck 7 Actuator 8 Connecting bracket 9 Body member 9a Block 9b Flange portion 10 Tip assembly 11 Holding member 12 Bolt 13 Protective pipe 14 Tip portion 15 End face 16 Cylindrical pin 17 Groove 18 Fitting hole 19 V-shaped groove 20 Notch 21 Extra fine wire test piece 22 Adhesive 23 Extra fine wire material testing machine 24 Screw hole C End face D End face

Claims (3)

互いに対向するそれぞれの面に円筒ピンに係合する嵌合孔とパイプを咬止する溝を設けた本体部材と押さえ部材と、さらに対向方向に前記本体部材と押さえ部材を強圧する締付部材とで構成されたチャックを上下に備えた材料試験機であって、極細線試験片の先端部を前記パイプに挿入しパイプの端面より突出した部分を前記パイプの外径以上の長さの前記円筒ピンに巻き掛けて折り返し、折り返した先端部を前記円筒ピンが前記パイプの端面に当接するまで再挿入すると共に挿入部に接着剤を充填した先端組立品を前記極細線試験片の両端に形成し、前記チャックに挟持した極細線用材料試験機。   A main body member and a pressing member provided with a fitting hole that engages with a cylindrical pin and a groove for biting a pipe on each surface facing each other, and a tightening member that strongly pressurizes the main body member and the pressing member in the opposing direction. A material testing machine provided with a chuck composed of a top and bottom, wherein the tip of the ultrafine wire test piece is inserted into the pipe, and the portion protruding from the end surface of the pipe is longer than the outer diameter of the pipe Wrap it around a pin, and re-insert the folded tip until the cylindrical pin comes into contact with the end face of the pipe, and form a tip assembly filled with an adhesive at the ends of the microwire test piece. , A material testing machine for ultrafine wires sandwiched between the chucks. 前記パイプの円筒ピンが当接する側の端面中央部にＶ字形の溝を設けたことを特徴とする請求項１記載の極細線用材料試験機。   2. A material testing machine for ultrafine wires according to claim 1, wherein a V-shaped groove is provided in a central portion of the end surface of the pipe on the side where the cylindrical pin comes into contact. 前記本体部材と押さえ部材に設けられた前記パイプを咬止する溝の内側に切欠を設けたことを特徴とする請求項１または２記載の極細線用材料試験機。   The material testing machine for ultrafine wires according to claim 1 or 2, wherein a notch is provided inside a groove for biting the pipe provided on the main body member and the pressing member.
JP2010003200U 2010-05-17 2010-05-17 Material testing machine for extra fine wires Expired - Lifetime JP3161367U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114636615A (en) * 2022-05-18 2022-06-17 太原理工大学 Clamp for local buckling test of thin-wall hose under compressive load

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114636615A (en) * 2022-05-18 2022-06-17 太原理工大学 Clamp for local buckling test of thin-wall hose under compressive load
CN114636615B (en) * 2022-05-18 2022-09-06 太原理工大学 Clamp for local buckling test of thin-wall hose under compression load

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