JP2012071380A - Punching die - Google Patents

Punching die Download PDF

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Publication number
JP2012071380A
JP2012071380A JP2010217696A JP2010217696A JP2012071380A JP 2012071380 A JP2012071380 A JP 2012071380A JP 2010217696 A JP2010217696 A JP 2010217696A JP 2010217696 A JP2010217696 A JP 2010217696A JP 2012071380 A JP2012071380 A JP 2012071380A
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JP
Japan
Prior art keywords
piezoelectric ceramic
punching
die
blade
punching die
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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.)
Pending
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JP2010217696A
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Japanese (ja)
Inventor
Hiromasa Takahashi
広真 高橋
Mitsuhiro Takahashi
光広 高橋
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TAKAHASHI KEISEI KK
Takahashi Keisei Corp
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TAKAHASHI KEISEI KK
Takahashi Keisei Corp
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.)
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Application filed by TAKAHASHI KEISEI KK, Takahashi Keisei Corp filed Critical TAKAHASHI KEISEI KK
Priority to JP2010217696A priority Critical patent/JP2012071380A/en
Publication of JP2012071380A publication Critical patent/JP2012071380A/en
Pending legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a punching die which enables punching to be performed without degrading punching quality and without damaging a blade tip even when a punching target is hard and thick.SOLUTION: The punching die 1 includes a machining blade having a blade 12 projected from the surface of a metal base plate 11, and is disposed on one of an upper surface plate and a lower surface plate and used. An ultrasonic wave generation part which vertically vibrates is disposed below the machining blade. The ultrasonic wave generation part 4 is made of piezoelectric ceramic, and attached to the lower part of the punching die by adhesive.

Description

本発明は、微細振動を与えつつ抜き対象の打ち抜き加工を行う抜き型に関し、打ち抜き対象が硬質・厚手であっても(または打抜き対象の表面が硬質・厚手であっても)、製品の品質を落とさずに打ち抜きができ、かつ刃先の損傷を防ぐことができる抜き型に関する。   The present invention relates to a punching die that performs punching processing of a target to be punched while giving fine vibrations, and even if the target to be punched is hard / thick (or the surface of the punched target is hard / thick), the quality of the product is improved. The present invention relates to a punching die that can be punched without dropping and can prevent damage to the blade edge.

たとえば、ディスプレイ用のフィルムを打ち抜くために、図6に示すように、金属板を削り出して、基板72の表面に刃71を形成した抜き型7が使用されることがある。   For example, in order to punch a film for display, a die 7 in which a blade 71 is formed on the surface of a substrate 72 by cutting a metal plate as shown in FIG. 6 may be used.

ところで、ディスプレイ用のフィルムFにはハードコート層HCLが形成されたものがある。ハードコート層HCLによっては、図7に示すように、クラックCが生じることがある。
また、図8に示すように硬質フィルムHFやパネルPの打ち抜きでは、刃71に損傷Bが生じることもある。
Incidentally, there is a display film F in which a hard coat layer HCL is formed. Depending on the hard coat layer HCL, a crack C may occur as shown in FIG.
Further, as shown in FIG. 8, when the hard film HF or the panel P is punched, the blade 71 may be damaged B.

本発明の目的は、打ち抜き対象が硬質・厚手であっても、打ち抜き品質を落とさずにかつ刃先を損傷することがない打ち抜きが可能な抜き型を提供することである。   An object of the present invention is to provide a punching die that can be punched without deteriorating punching quality and without damaging the cutting edge even if the punching target is hard and thick.

本発明の抜き型は以下を要旨とする。

(1) 刃先が金属基材の表面から突出してなる削り出し刃を備え、上定盤と下定盤の何れかに配置して使用される抜き型であって、
前記削り出し刃の下に、上下方向に振動する超音波発生部が設けられていることを特徴とする抜き型。
The cutting die of the present invention is summarized as follows.

(1) A cutting die provided with a cutting blade whose blade edge protrudes from the surface of the metal substrate, and is used by being placed on either the upper surface plate or the lower surface plate,
A punching die provided with an ultrasonic wave generator that vibrates in the vertical direction under the cutting blade.

(2) 記超音波発生部が圧電セラミックからなることを特徴とする(1)に記載の抜き型。 (2) The punching die according to (1), wherein the ultrasonic wave generator is made of a piezoelectric ceramic.

本発明では、打ち抜き対象が硬質・厚手であっても、製品の品質を落とさずに打抜きができ、また、刃先の損傷を防止できる。   In the present invention, even if the object to be punched is hard and thick, punching can be performed without deteriorating the quality of the product, and damage to the blade edge can be prevented.

本発明の抜き型の第1実施形態を示す説明図である。It is explanatory drawing which shows 1st Embodiment of the cutting die of this invention. (A)は図1の抜き型の側面図、(B)は図1の抜き型の底面図である。(A) is a side view of the punching die of FIG. 1, and (B) is a bottom view of the punching die of FIG. 本発明の抜き型の第2実施形態を示す説明図であり、(A)は側面図、(B)は底面図である。It is explanatory drawing which shows 2nd Embodiment of the cutting die of this invention, (A) is a side view, (B) is a bottom view. 本発明の抜き型の第3実施形態を示す説明図である。It is explanatory drawing which shows 3rd Embodiment of the cutting die of this invention. (A)は図4の抜き型の基材部の側面図、(B)は図1の抜き型の基材部を斜め下から見た図である。(A) is the side view of the base material part of the cutting die of FIG. 4, (B) is the figure which looked at the base material part of the cutting die of FIG. 1 from diagonally downward. 従来の抜き型の説明図であり、削り出しによるものを示す図である。It is explanatory drawing of the conventional punching die, and is a figure which shows the thing by shaving. 従来の抜き型の不都合を示す説明図であり、(A),(B)はクラックが生じる様子を示している。It is explanatory drawing which shows the disadvantage of the conventional punching die, (A), (B) has shown a mode that a crack arises. 従来の抜き型の不都合を示す説明図であり、(A),(B)は刃先が損傷する様子を示している。It is explanatory drawing which shows the inconvenience of the conventional cutting die, (A), (B) has shown a mode that a blade edge | tip is damaged.

本発明の第2実施形態を以下に説明する。
第2実施形態の抜き型1は、図1に示すように、金属プレートを削り出して作成されている。
A second embodiment of the present invention will be described below.
As shown in FIG. 1, the punching die 1 of the second embodiment is formed by cutting a metal plate.

図2(A)の側面図および図2(B)の底面図に示すように、抜き型1は、刃12が表面形成された基材部11と、この基材部11に内蔵された超音波発生部4とを備えている(図1では図に表れていない)。すなわち、図2(A),(B)では、基材部11の下面側から溝13が形成されている。超音波発生部4は圧電セラミック41であり、溝13の上底面に接着材により取り付けられている。   As shown in the side view of FIG. 2 (A) and the bottom view of FIG. And a sound wave generator 4 (not shown in FIG. 1). That is, in FIGS. 2A and 2B, the groove 13 is formed from the lower surface side of the base material portion 11. The ultrasonic wave generator 4 is a piezoelectric ceramic 41 and is attached to the upper bottom surface of the groove 13 with an adhesive.

取り付け具42が圧電セラミック41を上底面に固着しており、圧電セラミック41の振動が基材部11を介して刃12に伝えられる。   The mounting tool 42 fixes the piezoelectric ceramic 41 to the upper bottom surface, and the vibration of the piezoelectric ceramic 41 is transmitted to the blade 12 through the base member 11.

本実施形態では、基材部11のサイズは、200mm×220mm×22mmとした。
なお、圧電セラミック41は、両面に+電極および−電極(グランド電極)を持つ。抜き型1の下面には溝13が切られており、圧電セラミック41の配線は、図示しないが抜き型1の外部に引き出されている。
In the present embodiment, the size of the base material portion 11 is 200 mm × 220 mm × 22 mm.
The piezoelectric ceramic 41 has a + electrode and a − electrode (ground electrode) on both sides. A groove 13 is cut in the lower surface of the die 1 and the wiring of the piezoelectric ceramic 41 is drawn out of the die 1 although not shown.

本実施形態では、ある低い値の周波数を開始点とし、徐々に周波数を上げつつ振幅が大きい周波数を見つけ出す操作を行った。
本実施形態では、圧電セラミック41の縦方向の固有振動数は800kHzであり、圧電セラミック41に加える周波数は500kHzである。実際に発生する縦振動は約280kHz程度であった。
In this embodiment, an operation is performed in which a frequency having a large amplitude is found while gradually increasing the frequency, starting from a certain low frequency.
In this embodiment, the longitudinal natural frequency of the piezoelectric ceramic 41 is 800 kHz, and the frequency applied to the piezoelectric ceramic 41 is 500 kHz. The longitudinal vibration actually generated was about 280 kHz.

本発明の第2実施形態を以下に説明する。
図3(A)の側面図および図3(B)の底面図に示すように、抜き型1は、刃12が表面形成された基材部11と、この基材部11に内蔵された超音波発生部4とを備えている。すなわち、図3(A),(B)では、基材部11の下面側から溝13が形成されている。超音波発生部4は圧電セラミック41と取り付け具42とビス43とからなる。溝13の上底面に圧電セラミック41が取り付け具42とビス43とにより取り付けられている。
A second embodiment of the present invention will be described below.
As shown in the side view of FIG. 3 (A) and the bottom view of FIG. 3 (B), the punching die 1 includes a base material portion 11 on which a blade 12 is formed and a superstructure built in the base material portion 11. And a sound wave generator 4. That is, in FIGS. 3A and 3B, the groove 13 is formed from the lower surface side of the base material portion 11. The ultrasonic generator 4 includes a piezoelectric ceramic 41, a fixture 42 and a screw 43. A piezoelectric ceramic 41 is attached to the upper bottom surface of the groove 13 by a fixture 42 and a screw 43.

取り付け具42が圧電セラミック41を上底面に固着しており、圧電セラミック41の振動が基材部11を介して刃12に伝えられる。   The mounting tool 42 fixes the piezoelectric ceramic 41 to the upper bottom surface, and the vibration of the piezoelectric ceramic 41 is transmitted to the blade 12 through the base member 11.

本実施形態では、基材部11のサイズは、200mm×220mm×22mmとした。
なお、圧電セラミック41は、両面に+電極および−電極(グランド電極)を持つ。抜き型1の下面には溝13が切られており、圧電セラミック41の配線は、図示しないが抜き型1の外部に引き出されている。
In the present embodiment, the size of the base material portion 11 is 200 mm × 220 mm × 22 mm.
The piezoelectric ceramic 41 has a + electrode and a − electrode (ground electrode) on both sides. A groove 13 is cut in the lower surface of the die 1 and the wiring of the piezoelectric ceramic 41 is drawn out of the die 1 although not shown.

本実施形態では、ある低い値の周波数を開始点とし、徐々に周波数を上げつつ振幅が大きい周波数を見つけ出す操作を行った。
本実施形態では、圧電セラミック41の縦方向の固有振動数は800kHzであり、圧電セラミック41に加える周波数は500kHzである。実際に発生する縦振動は280kHz程度であった。
本発明の第3実施形態を以下に説明する。
第3実施形態では、第3実施形態の抜き型2も、図4に示すように、金属プレートを削り出して作成している。
In this embodiment, an operation is performed in which a frequency having a large amplitude is found while gradually increasing the frequency, starting from a certain low frequency.
In this embodiment, the longitudinal natural frequency of the piezoelectric ceramic 41 is 800 kHz, and the frequency applied to the piezoelectric ceramic 41 is 500 kHz. Actually generated longitudinal vibration was about 280 kHz.
A third embodiment of the present invention will be described below.
In the third embodiment, the punching die 2 of the third embodiment is formed by cutting out a metal plate as shown in FIG.

図4に示すように、抜き型2は、刃212が表面形成された基材部211と、この基材部211の下面に設けられた超音波発生部4(図4では図に表れていない)と、基材部211を支える支持枠221とを備えている。基材部211には孔A2が形成され、支持枠221には孔A2の位置に対応してネジ孔A3が形成されている。基材部211は、支持枠221にボルトA1により結合される。   As shown in FIG. 4, the punching die 2 includes a base material portion 211 on which a blade 212 is formed, and an ultrasonic wave generation portion 4 (not shown in FIG. 4) provided on the lower surface of the base material portion 211. ) And a support frame 221 that supports the base material portion 211. A hole A2 is formed in the base material portion 211, and a screw hole A3 is formed in the support frame 221 corresponding to the position of the hole A2. The base material portion 211 is coupled to the support frame 221 by a bolt A1.

図5(A)に基材部211の側面図を示し、図5(B)に基材部211の斜視図を示す。基材部211の下面中央に矩形突起213が形成され、この矩形突起213に圧電セラミック41からなる超音波発生部4が取り付けられている。   FIG. 5A shows a side view of the base material portion 211, and FIG. 5B shows a perspective view of the base material portion 211. A rectangular projection 213 is formed at the center of the lower surface of the base material portion 211, and the ultrasonic wave generation unit 4 made of the piezoelectric ceramic 41 is attached to the rectangular projection 213.

図4では圧電セラミック41を、接着材により上底面に取り付けてある。圧電セラミック41の振動は、基材部211を介して刃12に伝えられる。   In FIG. 4, the piezoelectric ceramic 41 is attached to the upper bottom surface with an adhesive. The vibration of the piezoelectric ceramic 41 is transmitted to the blade 12 through the base material portion 211.

本実施形態では、基材部11のサイズは、200mm×220mmで、高さの最小値は22mm、最大値は42mmとした。
なお、圧電セラミック41の配線は、図示しないが抜き型1の外部に引き出されている。
In this embodiment, the size of the base material portion 11 is 200 mm × 220 mm, the minimum height is 22 mm, and the maximum value is 42 mm.
Note that the wiring of the piezoelectric ceramic 41 is drawn to the outside of the die 1 although not shown.

本実施形態でも、ある低い値の周波数を開始点とし、徐々に周波数を上げつつ振幅が大きい周波数を見つけ出す操作を行った。
本実施形態でも、圧電セラミック41の縦方向の固有振動数は800kHzであり、圧電セラミック41に加える周波数は500kHzである。実際に発生する縦振動は280kHz程度であった。
Also in this embodiment, an operation of finding a frequency having a large amplitude while gradually increasing the frequency is performed with a certain low frequency as a starting point.
Also in this embodiment, the longitudinal natural frequency of the piezoelectric ceramic 41 is 800 kHz, and the frequency applied to the piezoelectric ceramic 41 is 500 kHz. Actually generated longitudinal vibration was about 280 kHz.

1,2 抜き型
4 超音波発生部
11,211 基材部
12,212 刃
13 溝
41 圧電セラミック
42 具
43 ビス
213 矩形突起
221 支持枠
A1 ボルト
A2 孔
A3 ネジ孔
DESCRIPTION OF SYMBOLS 1, 2 Die type | mold 4 Ultrasonic wave generation part 11, 21, 211 Base material part 12,212 Blade 13 Groove 41 Piezoelectric ceramic 42 Tool 43 Screw 213 Rectangular protrusion 221 Support frame A1 Bolt A2 Hole A3 Screw hole

Claims (2)

刃が金属基材の表面から突出している削り出し刃を備え、上定盤と下定盤の何れかに配置して使用される抜き型であって、   A cutting die provided with a cutting blade whose blade protrudes from the surface of the metal substrate, and is used by being placed on either the upper surface plate or the lower surface plate, 記超音波発生部が圧電セラミックからなることを特徴とする請求項1に記載の抜き型。   The punching die according to claim 1, wherein the ultrasonic wave generating portion is made of a piezoelectric ceramic.
JP2010217696A 2010-09-28 2010-09-28 Punching die Pending JP2012071380A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015093459A (en) * 2013-11-13 2015-05-18 日本特殊陶業株式会社 Production method of ceramic laminate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761499A (en) * 1980-09-30 1982-04-13 Okamura Kanamono Kk Punching device for plywood, etc.
US4625592A (en) * 1985-02-06 1986-12-02 Bayens Harold J Die for cutting paper, cloth and the like and method of making same
US5861185A (en) * 1996-08-22 1999-01-19 Mars, Incorporated Ultrasonic forming of confectionery products
JP2006205140A (en) * 2005-01-25 2006-08-10 Kazumasa Onishi Ultrasonic machining apparatus
JP2007030116A (en) * 2005-07-28 2007-02-08 Next I&D株式会社 Cutting device and cutter holder for cutting device
WO2010087041A1 (en) * 2009-02-02 2010-08-05 株式会社高橋型精 Blade for cutting thin body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761499A (en) * 1980-09-30 1982-04-13 Okamura Kanamono Kk Punching device for plywood, etc.
US4625592A (en) * 1985-02-06 1986-12-02 Bayens Harold J Die for cutting paper, cloth and the like and method of making same
US5861185A (en) * 1996-08-22 1999-01-19 Mars, Incorporated Ultrasonic forming of confectionery products
JP2006205140A (en) * 2005-01-25 2006-08-10 Kazumasa Onishi Ultrasonic machining apparatus
JP2007030116A (en) * 2005-07-28 2007-02-08 Next I&D株式会社 Cutting device and cutter holder for cutting device
WO2010087041A1 (en) * 2009-02-02 2010-08-05 株式会社高橋型精 Blade for cutting thin body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015093459A (en) * 2013-11-13 2015-05-18 日本特殊陶業株式会社 Production method of ceramic laminate

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