JPH11309522A - Method for punching out plate material - Google Patents
Method for punching out plate materialInfo
- Publication number
- JPH11309522A JPH11309522A JP11573098A JP11573098A JPH11309522A JP H11309522 A JPH11309522 A JP H11309522A JP 11573098 A JP11573098 A JP 11573098A JP 11573098 A JP11573098 A JP 11573098A JP H11309522 A JPH11309522 A JP H11309522A
- Authority
- JP
- Japan
- Prior art keywords
- product
- punch
- plate
- die
- plate material
- 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.)
- Pending
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- Punching Or Piercing (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、板材から高精度な
製品を効率的に得ることのできる板材の打ち抜き加工方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for punching a plate material which can efficiently obtain a high-precision product from the plate material.
【０００２】[0002]
【従来の技術】ダイおよびパンチを用いて金属板を打ち
抜き、製品を製造する方法として、図６Ａおよび図６Ｂ
に示す加工方法が知られている。2. Description of the Related Art FIGS. 6A and 6B show a method of manufacturing a product by punching a metal plate using a die and a punch.
Are known.
【０００３】この方法では、先ず、図６Ａに示すよう
に、ダイプレート２上のダイ４と押さえ板６との間に板
材８を挟み、メインパンチ１０をクッション材１２を介
装させた状態でカウンタパンチ１４側に変位させること
により、製品１６を打ち抜く。次いで、図６Ｂに示すよ
うに、メインパンチ１０およびカウンタパンチ１４を上
昇させて製品１６を押し出し、前記製品１６をエアブロ
ーによって取り出した後、板材８を所定量移動させ、次
の製品１６の打ち抜き加工を行う。In this method, first, as shown in FIG. 6A, a plate material 8 is sandwiched between a die 4 on a die plate 2 and a pressing plate 6, and a main punch 10 is provided with a cushion material 12 interposed therebetween. The product 16 is punched by being displaced toward the counter punch 14. Next, as shown in FIG. 6B, the main punch 10 and the counter punch 14 are raised to extrude the product 16, the product 16 is taken out by air blow, the plate 8 is moved by a predetermined amount, and the next product 16 is punched. I do.
【０００４】しかしながら、この方法では、打ち抜かれ
た製品を取り出すためにエアブローを行わなければなら
ず、その分、量産性が低下する不具合がある。[0004] However, in this method, air blow must be performed in order to take out the punched product, and there is a problem that mass productivity is reduced accordingly.
【０００５】一方、量産性を確保した状態でバリのない
製品１６の製造を目的とした方法として、特開平５−３
３７５６６号公報に開示されたものがある。この方法で
は、先ず、図７に示す工程において、板材８をメインパ
ンチ１０によって塑性変形させ、クッション材１８を介
して押さえ板２０により板材８を支持した状態で、板材
８から完全に打ち抜かれていない半製品２２を製造する
（図８参照）。次いで、図９に示す工程において、パン
チ２４を用いて前記半製品２２を板材８から完全に切り
離すことにより、製品１６を製造する。なお、製造され
た製品１６は、ダイプレート２６に形成された開口部２
８より下方に落下して取り出される。On the other hand, Japanese Patent Laid-Open No. 5-3 / 2005 discloses a method for producing a product 16 without burrs while ensuring mass productivity.
There is one disclosed in Japanese Patent No. 37566. In this method, first, in the step shown in FIG. 7, the plate 8 is plastically deformed by the main punch 10, and is completely punched from the plate 8 in a state where the plate 8 is supported by the holding plate 20 via the cushion 18. A semi-finished product 22 is manufactured (see FIG. 8). Next, in the step shown in FIG. 9, the semi-finished product 22 is completely cut off from the plate material 8 using the punch 24, thereby manufacturing the product 16. In addition, the manufactured product 16 is provided with the opening 2 formed in the die plate 26.
It falls below 8 and is taken out.
【０００６】この方法では、製品１６を図７の工程と図
９の工程の２度にわたってプレスしているため、製品１
６の破断精度に影響を及ぼしてしまい、特に、薄板の場
合、その影響が懸念される。さらに、図９の打ち抜き工
程では、形状精度に優れたパンチ２４を準備しなければ
ならず、その分、コストアップになってしまう。In this method, the product 16 is pressed twice in the steps of FIG. 7 and FIG.
This affects the breaking accuracy of No. 6, especially in the case of a thin plate. Further, in the punching step shown in FIG. 9, a punch 24 having excellent shape accuracy must be prepared, and the cost increases accordingly.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、前記の不具
合を考慮してなされたものであり、充分な精度の得られ
る製品を効率的に製造することのできる板材の打ち抜き
加工方法を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-mentioned problems, and provides a method of punching a sheet material capable of efficiently producing a product having sufficient accuracy. The purpose is to:
【０００８】[0008]
【課題を解決するための手段】本発明に係る板材の打ち
抜き加工方法は、一部に非打ち抜き形状を有するダイお
よびパンチを用いて、板材に対して製品の一部打ち抜き
加工を行う第１ステップと、打ち抜き形状からなるダイ
およびパンチを用いて、前記板材からの製品の完全打ち
抜き加工を行う第２ステップと、からなることを特徴と
する。According to the present invention, there is provided a method of punching a plate material, wherein a die and a punch having a partly non-punched shape are used to partially punch a product on the plate material. And a second step of completely punching a product from the plate material using a die and a punch having a punched shape.
【０００９】この場合、第１ステップにおいて製品の一
部が打ち抜き加工された状態で板材とともに第２ステッ
プに供給される。次いで、第２ステップにおいて製品の
非打ち抜き部分が板材から切り離されて製品が得られ
る。In this case, in the first step, a part of the product is supplied to the second step together with the plate material in a state of being punched. Next, in a second step, the non-punched portion of the product is cut off from the plate material to obtain the product.
【００１０】[0010]
【発明の実施の形態】図１は、本実施形態の板材の打ち
抜き加工方法が適用されるＣＶＴ（Continuously Varia
ble Transmission：無段変速機）用のベルト部材３０の
構成を示す。このベルト部材３０は、リング状に構成さ
れる２組の金属ベルト３２ａ、３２ｂと、これらの金属
ベルト３２ａ、３２ｂに係合する複数の駒部材３４とか
らなる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a CVT (Continuously Varia) to which a method for punching a plate material according to this embodiment is applied.
2 shows a configuration of a belt member 30 for a ble transmission (continuously variable transmission). The belt member 30 includes two sets of metal belts 32a and 32b formed in a ring shape, and a plurality of bridge members 34 engaged with the metal belts 32a and 32b.
【００１１】金属ベルト３２ａ、３２ｂは、複数のリン
グ状板材を積層して構成されている。駒部材３４は、本
実施形態の板材の打ち抜き加工方法により製造される製
品であり、図２に示すように、略三角形状の頭部３６
と、前記頭部３６に首部３８を介して一体となる脚部４
０とを有する。頭部３６には、凸部４２が形成されてお
り、この凸部４２を介して隣接する駒部材３４が連結さ
れる。首部３８の両側部には、金属ベルト３２ａ、３２
ｂが係合する係合部４４ａ、４４ｂが形成されている。
脚部４０の両側部には、相互に近接離間可能に構成され
るプーリ４６ａ、４６ｂの傾斜面４８ａ、４８ｂに当接
する傾斜面５０ａ、５０ｂが形成されている。The metal belts 32a and 32b are formed by laminating a plurality of ring-shaped plate members. The piece member 34 is a product manufactured by the method of stamping out a plate material of the present embodiment, and as shown in FIG.
And a leg 4 integrated with the head 36 via a neck 38
0. A convex part 42 is formed on the head 36, and the adjacent piece members 34 are connected via the convex part 42. Metal belts 32a, 32 are provided on both sides of the neck 38.
The engagement parts 44a and 44b with which b engages are formed.
On both sides of the leg portion 40, inclined surfaces 50a, 50b are formed which come into contact with the inclined surfaces 48a, 48b of the pulleys 46a, 46b which can be approached and separated from each other.
【００１２】この場合、ベルト部材３０は、係合部４４
ａ、４４ｂに金属ベルト３２ａ、３２ｂが係合した状態
で円滑に回転する必要性から、係合部４４ａ、４４ｂの
形状を高精度に製造する必要がある。また、プーリ４６
ａ、４６ｂの傾斜面４８ａ、４８ｂに対して駒部材３４
の脚部４０の両側部を摺接させて駆動力を伝達させる必
要性から、前記脚部４０の傾斜面５０ａ、５０ｂの形状
も高精度に製造する必要がある。なお、駒部材３４のそ
の他の部分については、打ち抜き加工に際してさほど精
度を必要としない。In this case, the belt member 30 is
Since it is necessary to rotate smoothly in a state where the metal belts 32a and 32b are engaged with the a and 44b, it is necessary to manufacture the shapes of the engaging portions 44a and 44b with high precision. In addition, pulley 46
a piece member 34 with respect to the inclined surfaces 48a, 48b of
Since the driving force is required to be transmitted by sliding both sides of the leg 40, the shapes of the inclined surfaces 50a and 50b of the leg 40 also need to be manufactured with high precision. It should be noted that other parts of the piece member 34 do not require much precision when punching.
【００１３】次に、前記のように構成される駒部材３４
の加工方法について、図３Ａ、図３Ｂおよび図５に従っ
て説明する。Next, the piece member 34 constructed as described above is used.
3A, 3B and 5 will be described.
【００１４】図３Ａ、図３Ｂは、第１ステップの加工工
程で使用される加工装置５２を示す。この加工装置５２
において、板材５４をダイプレート５５により支持され
たダイ５６とクッション材５７により支持された押さえ
板５８とによって挟み、カウンタパンチ６０で製品部分
を保持した状態で、メインパンチ６２によって前記製品
部分の一部をせん断する。FIGS. 3A and 3B show a processing apparatus 52 used in the processing step of the first step. This processing device 52
In a state where the plate portion 54 is sandwiched between a die 56 supported by a die plate 55 and a pressing plate 58 supported by a cushion member 57, while the product portion is held by a counter punch 60, the main Shear the part.
【００１５】この場合、メインパンチ６２には、駒部材
３４における頭部３６の頂部および脚部４０の中間部に
対応する部位に逃げ６４ａおよび６４ｂが形成されてい
る。また、ダイ５６の対応する部分にも、同様にして逃
げ６６ａ、６６ｂが形成されている。従って、板材５４
には、図５に示すように、前記頂部および前記中間部に
対応する部分にせん断されていない連結部６８ａおよび
６８ｂを有し、その他の部分がせん断された半製品７０
が製造される。In this case, reliefs 64a and 64b are formed in the main punch 62 at positions corresponding to the top of the head 36 and the intermediate portion of the legs 40 in the piece member 34. Escapes 66a and 66b are similarly formed in corresponding portions of the die 56. Therefore, the plate 54
As shown in FIG. 5, a semi-finished product 70 having unsheared connecting portions 68a and 68b at portions corresponding to the top portion and the intermediate portion and having other portions sheared.
Is manufactured.
【００１６】次に、図３Ｂに示すように、押さえ板５
８、メインパンチ６２、カウンタパンチ６０を上昇させ
ることにより、半製品７０を有する板材５４を取り出
し、図４に示す加工装置７２に供給する。Next, as shown in FIG.
8. By raising the main punch 62 and the counter punch 60, the plate member 54 having the semi-finished product 70 is taken out and supplied to the processing device 72 shown in FIG.
【００１７】加工装置７２においては、製品である駒部
材３４の形状に対応したメインパンチ７４により、半製
品７０の連結部６８ａおよび６８ｂがせん断され、駒部
材３４が形成される。この駒部材３４は、ダイプレート
７６に形成された開口部７８を介して下方に落下される
ことになる。In the processing device 72, the connecting parts 68a and 68b of the semi-finished product 70 are sheared by the main punch 74 corresponding to the shape of the piece member 34 as a product, and the piece member 34 is formed. The bridge member 34 is dropped downward through an opening 78 formed in the die plate 76.
【００１８】以上のようにして製造された駒部材３４
は、精度を要する係合部４４ａ、４４ｂおよび脚部４０
の両側部である傾斜面５０ａ、５０ｂが加工装置５２に
おいて確実にせん断されているため、その精度が充分に
維持されている。例えば、本実施形態においては、板厚
１〜２ｍｍ程度の板材５４の打ち抜き加工を行った場
合、非常に良好な破断精度を得ることができた。また、
加工装置５２によって加工された板材５４は、半製品７
０を連結部６８ａ、６８ｂによって保持した状態でまと
めて次の加工装置７２に供給されるため、効率的であ
る。さらに、加工装置７２では、前記連結部６８ａ、６
８ｂがせん断されることで、その近傍に加工不良の発生
することが懸念されるが、駒部材３４のこの部分はさほ
ど精度を要求されない部分であるため、完成品に対して
影響を及ぼすことはない。しかも、メインパンチ７４
は、半製品７０の連結部６８ａ、６８ｂを切断するだけ
でよいため、さほど精度が要求されず、従って、コスト
ダウンに寄与することができる。The bridge member 34 manufactured as described above.
Are the engaging portions 44a and 44b and the leg portions 40 which require precision.
Since the inclined surfaces 50a and 50b, which are both side portions, are securely sheared in the processing device 52, the accuracy is sufficiently maintained. For example, in the present embodiment, when punching a plate material 54 having a plate thickness of about 1 to 2 mm, a very good breaking accuracy could be obtained. Also,
The plate material 54 processed by the processing device 52 is a semi-finished product 7
0 is collectively supplied to the next processing device 72 while being held by the connecting portions 68a and 68b, so that it is efficient. Further, in the processing device 72, the connecting portions 68a, 6
Although it is feared that a machining defect occurs in the vicinity of the shearing of the piece 8b, since this portion of the piece member 34 does not require much accuracy, it does not affect the finished product. Absent. Moreover, the main punch 74
Requires only cutting the connecting portions 68a, 68b of the semi-finished product 70, so that accuracy is not required so much, and therefore, it can contribute to cost reduction.
【００１９】[0019]
【発明の効果】以上説明したように、本発明に係る板材
の打ち抜き加工方法によれば、仕上げ精度を要する製品
部分の加工精度を充分に維持して、効率的且つ低コスト
で製品を加工することができる。As described above, according to the method of punching a plate material according to the present invention, the product is processed efficiently and at low cost while maintaining the processing accuracy of the product part requiring the finishing accuracy sufficiently. be able to.
【図１】ＣＶＴ用ベルト部材の構成図である。FIG. 1 is a configuration diagram of a CVT belt member.
【図２】ＣＶＴ用ベルト部材をプーリに係合させた状態
の断面説明図である。FIG. 2 is a cross-sectional explanatory view of a state in which a CVT belt member is engaged with a pulley.
【図３】図３Ａは、第１ステップでの加工状態の概略断
面図、図３Ｂは、第１ステップでの型開き状態の概略断
面図である。3A is a schematic sectional view of a processing state in a first step, and FIG. 3B is a schematic sectional view of a mold opening state in a first step.
【図４】第２ステップでの加工状態の概略断面図であ
る。FIG. 4 is a schematic sectional view of a processing state in a second step.
【図５】第１ステップで製造された半製品の説明図であ
る。FIG. 5 is an explanatory diagram of a semi-finished product manufactured in a first step.
【図６】図６Ａは、従来技術の加工方法における加工状
態の概略断面図、図６Ｂは、従来の加工方法における型
開き状態の概略断面図である。FIG. 6A is a schematic cross-sectional view of a processing state in a conventional processing method, and FIG. 6B is a schematic cross-sectional view of a mold open state in a conventional processing method.
【図７】他の従来技術の加工方法における加工状態の概
略断面図である。FIG. 7 is a schematic sectional view of a processing state in another conventional processing method.
【図８】図７に示す加工工程で製造された半製品の断面
説明図である。8 is an explanatory cross-sectional view of a semi-finished product manufactured in the processing step shown in FIG. 7;
【図９】図８に示す半製品から完成品を製造する従来技
術における加工状態の概略断面図である。9 is a schematic cross-sectional view of a processing state in a conventional technique for manufacturing a finished product from the semi-finished product shown in FIG.
３４…駒部材 ５２、７２…加工装
置 ５４…板材 ５６…ダイ ６０…カウンタパンチ ６２…メインパンチ ６４ａ、６４ｂ、６６ａ、６６ｂ…逃げ ６８ａ、６８ｂ…連結部 ７０…半製品34 ... piece member 52, 72 ... processing device 54 ... plate material 56 ... die 60 ... counter punch 62 ... main punch 64a, 64b, 66a, 66b ... escape 68a, 68b ... connecting part 70 ... semi-finished product
Claims (3)
パンチを用いて、板材に対して製品の一部打ち抜き加工
を行う第１ステップと、 打ち抜き形状からなるダイおよびパンチを用いて、前記
板材からの製品の完全打ち抜き加工を行う第２ステップ
と、 からなることを特徴とする板材の打ち抜き加工方法。1. A first step of partially punching a product on a plate using a die and a punch having a partly non-punched shape, and the plate using a die and a punch having a punched shape. A second step of completely punching a product from the above, and a method of punching a plate material.
テップでの打ち抜き形状は、仕上げ精度を要する製品部
分に対応することを特徴とする板材の打ち抜き加工方
法。2. The method according to claim 1, wherein the punched shape in the first step corresponds to a product portion requiring finishing accuracy.
は、無段変速機用のベルト部材に用いられる駒部材であ
ることを特徴とする板材の打ち抜き加工方法。3. The method according to claim 1, wherein the product is a bridge member used for a belt member for a continuously variable transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11573098A JPH11309522A (en) | 1998-04-24 | 1998-04-24 | Method for punching out plate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11573098A JPH11309522A (en) | 1998-04-24 | 1998-04-24 | Method for punching out plate material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11309522A true JPH11309522A (en) | 1999-11-09 |
Family
ID=14669689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11573098A Pending JPH11309522A (en) | 1998-04-24 | 1998-04-24 | Method for punching out plate material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11309522A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1158204A1 (en) * | 2000-05-26 | 2001-11-28 | Honda Giken Kogyo Kabushiki Kaisha | Method of blanking element for belt for continuously variable transmission |
| EP1158203A1 (en) * | 2000-05-26 | 2001-11-28 | Honda Giken Kogyo Kabushiki Kaisha | Element for belt for continuously variable transmission and method of blanking such element |
| JP2002035866A (en) * | 2000-07-24 | 2002-02-05 | Hoden Seimitsu Kako Kenkyusho Ltd | Method for producing profile member and it's apparatus |
| EP1287924A1 (en) * | 2000-04-17 | 2003-03-05 | Honda Giken Kogyo Kabushiki Kaisha | Method of manufacturing v-block of metallic belt type continuously variable transmission and metal mold for the v-block |
| WO2003069185A1 (en) * | 2001-12-24 | 2003-08-21 | Van Doorne's Transmissie B.V. | Work piece, metal push belt and method and processing tool for producing the same |
| NL1020990C2 (en) * | 2002-07-03 | 2004-01-06 | Doornes Transmissie Bv | Method for forming a transverse element for a push belt for a continuously variable transmission. |
| NL1024530C2 (en) * | 2003-10-14 | 2005-04-15 | Bosch Gmbh Robert | Preventing bursting during a punching process of a transverse element for a push belt for a continuously variable transmission. |
| EP2140954A1 (en) * | 2008-07-03 | 2010-01-06 | Feintool Intellectual Property AG | Method and device for manufacturing finely cut sections from a strip of material |
| JP2012522647A (en) * | 2009-04-06 | 2012-09-27 | イェスタムプ・ハードテック・アクチエボラーグ | Manufacturing method of molded products |
| CN108580661A (en) * | 2018-03-28 | 2018-09-28 | 江苏中捷精工科技股份有限公司 | A kind of scarf punching technique |
-
1998
- 1998-04-24 JP JP11573098A patent/JPH11309522A/en active Pending
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| EP1158204A1 (en) * | 2000-05-26 | 2001-11-28 | Honda Giken Kogyo Kabushiki Kaisha | Method of blanking element for belt for continuously variable transmission |
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| WO2003069185A1 (en) * | 2001-12-24 | 2003-08-21 | Van Doorne's Transmissie B.V. | Work piece, metal push belt and method and processing tool for producing the same |
| WO2004004942A1 (en) * | 2002-07-03 | 2004-01-15 | Van Doorne's Transmissie B.V. | Method for forming a transverse element for a push belt for a continously variable transmission |
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| WO2005035163A1 (en) * | 2003-10-14 | 2005-04-21 | Robert Bosch Gmbh | The prevention of formation of burrs in a blanking process of a transverse element for a push belt for a continuously variable transmission |
| JP2007508152A (en) * | 2003-10-14 | 2007-04-05 | ロバート ボッシュ ジーエムビーエイチ | Prevention of burr formation in blanking process of transverse element for push belt for continuously variable transmission |
| CN100386163C (en) * | 2003-10-14 | 2008-05-07 | 罗伯特·博世有限公司 | The prevention of formation of burrs in a blanking process of a transverse element for a push belt for a continuously variable transmission |
| NL1024530C2 (en) * | 2003-10-14 | 2005-04-15 | Bosch Gmbh Robert | Preventing bursting during a punching process of a transverse element for a push belt for a continuously variable transmission. |
| EP2140954A1 (en) * | 2008-07-03 | 2010-01-06 | Feintool Intellectual Property AG | Method and device for manufacturing finely cut sections from a strip of material |
| WO2010000389A1 (en) | 2008-07-03 | 2010-01-07 | Feintool Intellectual Property Ag | Method and device for producing fine-blanked parts from a material strip |
| JP2011526212A (en) * | 2008-07-03 | 2011-10-06 | ファインツール・インテレクチュアル・プロパティ・アクチエンゲゼルシャフト | Method and apparatus for producing precision stamped parts from strip material |
| US8910549B2 (en) | 2008-07-03 | 2014-12-16 | Feintool Industrial Property Ag | Method and device for producing precision blankings from a material strip |
| JP2012522647A (en) * | 2009-04-06 | 2012-09-27 | イェスタムプ・ハードテック・アクチエボラーグ | Manufacturing method of molded products |
| CN108580661A (en) * | 2018-03-28 | 2018-09-28 | 江苏中捷精工科技股份有限公司 | A kind of scarf punching technique |
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