JP5630150B2 - Punching device - Google Patents

Punching device Download PDF

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JP5630150B2
JP5630150B2 JP2010193398A JP2010193398A JP5630150B2 JP 5630150 B2 JP5630150 B2 JP 5630150B2 JP 2010193398 A JP2010193398 A JP 2010193398A JP 2010193398 A JP2010193398 A JP 2010193398A JP 5630150 B2 JP5630150 B2 JP 5630150B2
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punching
workpiece
hole
crushing
laminated
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JP2012050989A (en
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平田　和之
和之 平田
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Toyota Boshoku Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/007—Layered blanks

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  • Mechanical Engineering (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Description

この発明は、帯状のワークからモータ用積層コアのコア片等をパンチ加工するためのパンチング装置に関するものである。   The present invention relates to a punching device for punching a core piece or the like of a laminated core for a motor from a strip-shaped workpiece.

従来、この種のパンチング装置としては、例えば特許文献１〜特許文献４に開示されるような構成が提案されている。
特許文献１に記載の従来構成においては、生産性を向上させるために、２枚の帯状のワークが積層状態で同時にパンチ加工されるようになっている。特許文献２に記載の従来構成においては、複数枚の帯状のワークが接着剤により積層状態に接着固定され、この状態でパンチ加工されるようになっている。 Conventionally, as this type of punching device, for example, configurations as disclosed in Patent Documents 1 to 4 have been proposed.
In the conventional configuration described in Patent Document 1, in order to improve productivity, two strip-shaped workpieces are simultaneously punched in a stacked state. In the conventional configuration described in Patent Document 2, a plurality of strip-shaped workpieces are bonded and fixed in a laminated state with an adhesive, and punched in this state.

特許文献３に記載の従来構成では、加工機構の上流位置において、かしめ機構により複数枚の積層ワークにかしめ部が形成されて、ワークが積層状態に締結固定される。この状態で、送り込み機構により積層ワークが加工機構に送り込まれて、パンチ加工されるようになっている。特許文献４に記載の従来構成では、加工機構の上流位置において、バーリングパンチにより複数枚の積層ワークに孔が形成されて、その孔の開口縁に発生するバリによりワークが積層状態に締結固定される。この状態で、送り込み機構により積層ワークが加工機構に送り込まれて、パンチ加工されるようになっている。   In the conventional configuration described in Patent Document 3, a caulking mechanism is formed on a plurality of laminated workpieces by a caulking mechanism at an upstream position of the machining mechanism, and the workpieces are fastened and fixed in a laminated state. In this state, the laminated workpiece is fed into the machining mechanism by the feeding mechanism and punched. In the conventional configuration described in Patent Document 4, holes are formed in a plurality of stacked workpieces by a burring punch at an upstream position of the processing mechanism, and the workpieces are fastened and fixed in a stacked state by burrs generated at the opening edges of the holes. The In this state, the laminated workpiece is fed into the machining mechanism by the feeding mechanism and punched.

特許第３７４９４７８号公報Japanese Patent No. 3749478 特許第３７７１９３３号公報Japanese Patent No. 3771933 特開昭５２−３９８８０号公報JP 52-39880 A 特開昭５５−１５６６２３号公報JP 55-156623 A

ところが、これらの従来構成においては、次のような問題があった。
特許文献１に記載の従来構成では、２枚の帯状のワークが単に積層された状態で、送り込み機構により加工機構に送り込まれて、パンチ加工されるようになっている。この場合、送り込み機構においては、上下一対の送りローラにより２枚のワークが送りローラとの間の摩擦力によって積層状態に保持されながら送られるようになっている。このため、２枚のワーク間に滑りが生じて送り量に差が生じる送りずれのおそれがある。特に、３枚以上の複数枚のワークを積層状態で送り込んでパンチ加工を施そうとした場合には、送りローラに接触しない中間位置のワークに大きな送りロスが生じて、積層ワークの各ワークに大きな送りずれが発生するという問題があった。 However, these conventional configurations have the following problems.
In the conventional configuration described in Patent Document 1, in a state where two strip-shaped workpieces are simply stacked, the workpiece is fed into the machining mechanism by the feeding mechanism and punched. In this case, in the feeding mechanism, two workpieces are fed by a pair of upper and lower feeding rollers while being held in a laminated state by a frictional force between the feeding rollers. For this reason, there is a fear of a feed shift in which a slip occurs between two workpieces and a difference in feed amount occurs. In particular, when three or more workpieces are fed in a stacked state and an attempt is made to punch, a large feed loss occurs in the workpiece at an intermediate position that does not contact the feed roller, and each workpiece of the laminated workpiece There was a problem that a large misfeed occurred.

特許文献２に記載の従来構成では、複数枚のワークを積層状態に接着固定するために用いられた接着剤が、パンチ加工後の製品に付着残留する。このため、例えばモータ用積層コアのコア片等を製造した場合、製品機能として必要な鉄等の磁性材料以外の不純物の構成比率が増して、製品機能の低下を招くおそれがあるという問題があった。そして、この接着剤を除去しようとする場合、この除去段階では接着剤は硬化しているため、その作業には手間を要する。   In the conventional configuration described in Patent Document 2, the adhesive used to bond and fix a plurality of workpieces in a laminated state adheres and remains on the punched product. For this reason, for example, when a core piece of a laminated core for a motor is manufactured, there is a problem that the constituent ratio of impurities other than magnetic materials such as iron necessary for the product function may increase, leading to a decrease in product function. It was. When this adhesive is to be removed, the work is time-consuming because the adhesive is cured at this stage of removal.

特許文献３及び特許文献４に記載の従来構成では、複数枚のワークがかしめ部または孔の形成により積層状態に締結固定されるようになっているため、前述した特許文献１及び特許文献２に記載の従来構成のような問題を生じるおそれはない。しかしながら、この特許文献３及び特許文献４に記載の従来構成では、かしめ部または孔の開口縁のバリがワークの外面に突出する。よって、かしめ部または孔の形成を送り込み機構の上流位置において行うと、かしめ部またはバリの突出部分が送り込み機構の送りローラと干渉して、ワークの送り込み動作に支障を来すおそれがある。このため、特許文献３及び特許文献４に記載の従来構成では、かしめ部または孔の形成が送り込み機構の下流位置において行われるようになっている。   In the conventional configurations described in Patent Document 3 and Patent Document 4, a plurality of workpieces are fastened and fixed in a stacked state by forming caulked portions or holes, and therefore, in Patent Document 1 and Patent Document 2 described above, There is no possibility of causing a problem like the conventional configuration described. However, in the conventional configurations described in Patent Document 3 and Patent Document 4, the burrs at the caulking portion or the opening edge of the hole protrude from the outer surface of the workpiece. Therefore, if the caulking portion or the hole is formed at the upstream position of the feeding mechanism, the caulking portion or the protruding portion of the burr may interfere with the feeding roller of the feeding mechanism, which may hinder the workpiece feeding operation. For this reason, in the conventional configurations described in Patent Literature 3 and Patent Literature 4, the caulking portion or the hole is formed at the downstream position of the feeding mechanism.

ところが、このようにかしめ部または孔の形成が送り込み機構の下流位置で行なわれる構成において、送り込み機構により複数枚のワークよりなる積層ワークに対して送り力が付与されるとき、積層ワークが相互に一体化されていないため、前記のような送りずれが生じるおそれがある。   However, in the configuration in which the caulking portion or the hole is formed at the downstream position of the feeding mechanism in this way, when the feeding force is applied to the laminated workpiece composed of a plurality of workpieces by the feeding mechanism, the laminated workpieces are mutually connected. Since they are not integrated, there is a possibility that the above-mentioned feed deviation may occur.

この発明は、このような従来の技術に存在する問題点に着目してなされたものである。その目的は、積層ワークを送りずれが生じることなく正確に搬送することができて、正確にパンチ加工を施すことができるパンチング装置を提供することにある。   The present invention has been made paying attention to such problems existing in the prior art. An object of the present invention is to provide a punching apparatus that can accurately convey a laminated workpiece without causing a feed shift and can accurately perform punching.

上記の目的を達成するために、この発明は、複数枚の帯状のワークを積層状態で間欠搬送して、搬送停止中に加工部においてワークに対してパンチ加工を施すようにしたパンチング装置であって、積層ワークに貫通孔を打ち抜くための打ち抜き手段と、前記貫通孔の開口縁を孔内に向かって押し潰すための押し潰し手段とを設け、前記加工部の上流位置にワークの送り込み手段を設け、前記打ち抜き手段及び押し潰し手段を前記送り込み手段の上流位置に設けたことを特徴としている。 In order to achieve the above object, the present invention is a punching apparatus that intermittently conveys a plurality of strip-shaped workpieces in a stacked state, and performs punching on the workpieces at a machining section while conveyance is stopped. Te, a punching means for punching a through hole in the lamination work, the set and crushing means for the opening edge crush toward the bore of the through holes only, feeding means of the workpiece upstream position of the processing unit And the punching means and the crushing means are provided upstream of the feeding means .

従って、この発明においては、加工部による積層ワークへのパンチ加工に先立って、打ち抜き手段により積層ワークに貫通孔が打ち抜かれる。そして、押し潰し手段により、積層ワーク上の貫通孔の開口縁が孔内に向かって押し潰される。このため、貫通孔のバリが送り込み手段と干渉することを防止できるとともに、積層ワークを積層状態に一体化できる。従って、ワークを積層状態に送りずれを生じることなく一体的に搬送できる。このため、積層ワークを効率良く、かつ正確に搬送して、その積層ワークに正確にパンチ加工を施すことができる。   Therefore, in the present invention, prior to punching the laminated workpiece by the processing portion, the through hole is punched into the laminated workpiece by the punching means. And the opening edge of the through-hole on a lamination workpiece is crushed toward the inside of a hole by crushing means. For this reason, while being able to prevent the burr | flash of a through-hole from interfering with a sending means, a laminated workpiece can be integrated in a laminated state. Therefore, the workpieces can be transported integrally without causing a shift in the stacked state. For this reason, a laminated workpiece can be conveyed efficiently and accurately, and the laminated workpiece can be accurately punched.

前記の構成において、前記打ち抜き手段と押し潰し手段とを同期して動作させるための連繋手段を設けるとよい。
前記の構成において、前記連繋手段は、同一軸上に設けられたクランク機構であることが好ましい。 The said structure WHEREIN: It is good to provide the connection means for operating the said punching means and crushing means synchronously.
The said structure WHEREIN: It is preferable that the said connection means is a crank mechanism provided on the same axis | shaft.

前記の構成において、前記連繋手段は、前記加工部のパンチを動作させるためのクランク機構を含むことが好ましい。   The said structure WHEREIN: It is preferable that the said connection means contains the crank mechanism for operating the punch of the said process part.

以上のように、この発明によれば、複数枚の帯状のワークを積層状態に一体化して、その積層ワークに正確にパンチ加工を施すことができるという効果を発揮する。   As described above, according to the present invention, there is an effect that a plurality of strip-shaped workpieces can be integrated into a laminated state, and the laminated workpiece can be accurately punched.

第１実施形態のパンチング装置を示す概略構成図。The schematic block diagram which shows the punching apparatus of 1st Embodiment. 図１のパンチング装置の駆動構成を示す断面図。Sectional drawing which shows the drive structure of the punching apparatus of FIG. 同パンチング装置によるワークの加工状態を示す要部平面図。The principal part top view which shows the process state of the workpiece | work by the punching apparatus. （ａ）は積層ワークに貫通孔が打ち抜かれた状態を示す部分拡大断面図、（ｂ）は貫通孔の開口縁が孔内に向かって押し潰された状態を示す部分断面図。(A) is a partial expanded sectional view which shows the state by which the through-hole was pierced by the laminated workpiece, (b) is a partial sectional view which shows the state by which the opening edge of the through-hole was crushed toward the inside of a hole. 第２実施形態のパンチング装置によるワークの加工状態を示す要部平面図。The principal part top view which shows the process state of the workpiece | work by the punching apparatus of 2nd Embodiment.

（第１実施形態）
以下に、この発明を具体化したパンチング装置の第１実施形態を、図１〜図４に従って説明する。 (First embodiment)
Hereinafter, a first embodiment of a punching apparatus embodying the present invention will be described with reference to FIGS.

図１に示すように、この実施形態のパンチング装置においては、加工部としての加工機構１１が備えられている。この加工機構１１は、下型１２と、その下型１２上に開閉移動可能に対向配置された上型１３とから構成されている。下型１２にはダイ１２ａが設けられるとともに、上型１３にはダイ１２ａに対向するパンチ１３ａが設けられている。加工機構１１の上流位置には、複数枚（実施形態では３枚）の帯状のワークＷを各別に搬送するための各一対の送りローラ１４ａを備えた複数の搬送機構１４が配設されている。搬送機構１４の下流側において加工機構１１の上流位置近傍には、３枚のワークＷを積層した状態で加工機構１１に送り込むための一対の送りローラ１５ａを備えた送り込み手段としての送り込み機構１５が配設されている。   As shown in FIG. 1, the punching apparatus of this embodiment is provided with a processing mechanism 11 as a processing portion. The processing mechanism 11 includes a lower mold 12 and an upper mold 13 disposed on the lower mold 12 so as to be capable of opening and closing. The lower die 12 is provided with a die 12a, and the upper die 13 is provided with a punch 13a facing the die 12a. In the upstream position of the processing mechanism 11, a plurality of transport mechanisms 14 including a pair of feed rollers 14 a for transporting a plurality of (three in the embodiment) belt-like workpieces W are disposed. . In the vicinity of the upstream position of the processing mechanism 11 on the downstream side of the transport mechanism 14, a feeding mechanism 15 as a feeding means including a pair of feeding rollers 15a for feeding the processing mechanism 11 in a state where three workpieces W are stacked. It is arranged.

そして、前記搬送機構１４及び送り込み機構１５により、３枚のワークＷが積層状態で、同時に所定ピッチで間欠搬送されて、加工機構１１に対して送り込まれる。また、この積層ワークＷの間欠的な搬送停止中において、加工機構１１の上型１３が下型１２に対して開閉移動，すなわち昇降運動されて、パンチ１３ａとダイ１２ａとにより積層ワークＷに対して、例えば図３に示すように、モータ用積層コアのコア片Ｍにおける永久磁石挿入孔Ｍａがパンチ加工される。さらに、この加工機構１１の後工程において、図示しない別の加工機構により、積層ワークＷに対してコア片Ｍの外径部Ｍｂ及び内径部Ｍｃが孔開けパンチ加工される。   Then, by the transport mechanism 14 and the feed mechanism 15, three workpieces W are intermittently transported at a predetermined pitch at the same time in a stacked state, and sent to the processing mechanism 11. In addition, during the intermittent conveyance stop of the laminated workpiece W, the upper die 13 of the processing mechanism 11 is opened / closed, that is, moved up and down with respect to the lower die 12, and the punch 13a and the die 12a are moved relative to the laminated workpiece W. For example, as shown in FIG. 3, the permanent magnet insertion hole Ma in the core piece M of the laminated core for a motor is punched. Further, in a subsequent process of the processing mechanism 11, the outer diameter portion Mb and the inner diameter portion Mc of the core piece M are punched and punched with respect to the laminated workpiece W by another processing mechanism (not shown).

図１に示すように、前記送り込み機構１５の上流位置近傍には、積層ワークＷに貫通孔Ｗａを打ち抜くための打ち抜き手段としての打ち抜き機構１６と、貫通孔Ｗａの開口縁を孔Ｗａ内に向かって押し潰すための押し潰し手段としての押し潰し機構１７とが隣接して配設されている。打ち抜き機構１６は、ダイ１８ａを備えた下型１８と、ダイ１８ａに対向するパンチ１９ａを備えた開閉移動可能な上型１９とから構成されている。押し潰し機構１７は、テーパ状の下パンチ２０ａを備えた下型２０と、下パンチ２０ａに対向するテーパ状の上パンチ２１ａを備えた開閉移動可能な上型２１とから構成されている。打ち抜き機構１６のパンチ１９ａ及びダイ１８ａと、押し潰し機構１７の上下のパンチ２１ａ，２０ａとは積層ワークＷの搬送ピッチの整数倍（１を含む）の間隔をおいて配置されている。   As shown in FIG. 1, in the vicinity of the upstream position of the feeding mechanism 15, a punching mechanism 16 as a punching means for punching the through hole Wa in the laminated workpiece W, and an opening edge of the through hole Wa toward the hole Wa. A crushing mechanism 17 as a crushing means for crushing is arranged adjacently. The punching mechanism 16 includes a lower mold 18 provided with a die 18a, and an upper mold 19 provided with a punch 19a facing the die 18a and capable of opening and closing. The crushing mechanism 17 includes a lower mold 20 having a tapered lower punch 20a and an upper mold 21 having a tapered upper punch 21a facing the lower punch 20a and capable of opening and closing. The punch 19a and the die 18a of the punching mechanism 16 and the upper and lower punches 21a and 20a of the crushing mechanism 17 are arranged at an interval of an integral multiple (including 1) of the transport pitch of the laminated workpiece W.

そして、加工機構１１による積層ワークＷへのパンチ加工に先立って、打ち抜き機構１６のパンチ１９ａ及びダイ１８ａにより、積層ワークＷに貫通孔Ｗａが打ち抜き形成される。この場合、図３に示すように、貫通孔ＷａはワークＷ上におけるコア片Ｍのパンチ加工部位から離れた位置、つまりコア片Ｍの内径部Ｍｃの内側の位置に形成される。このとき、図４（ａ）に示すように、貫通孔Ｗａの打ち抜きにともなって、貫通孔Ｗａの下端開口縁にバリＷｂが発生し、そのバリＷｂにより積層ワークＷが相互に軽く締結される。   Prior to punching the stacked workpiece W by the processing mechanism 11, the through hole Wa is punched and formed in the stacked workpiece W by the punch 19 a and the die 18 a of the punching mechanism 16. In this case, as shown in FIG. 3, the through hole Wa is formed at a position away from the punching portion of the core piece M on the workpiece W, that is, at a position inside the inner diameter portion Mc of the core piece M. At this time, as shown in FIG. 4A, as the through hole Wa is punched, a burr Wb is generated at the lower end opening edge of the through hole Wa, and the laminated workpieces W are lightly fastened to each other by the burr Wb. .

さらに、図４（ｂ）に示すように、押し潰し機構１７の上パンチ２１ａ及び下パンチ２０ａにより、貫通孔Ｗａの開口縁が上下から孔Ｗａ内に向かって押し潰される。これによって、貫通孔Ｗａの開口縁からワークＷの外面にはみ出しているバリＷｂの突出部分が貫通孔Ｗａ内に押し潰されて収納処理されるとともに、貫通孔Ｗａの部分における積層ワークＷどうしの締結力，すなわち積層ワークＷどうしの結合力が強化される。   Further, as shown in FIG. 4B, the opening edge of the through hole Wa is crushed from above and below into the hole Wa by the upper punch 21a and the lower punch 20a of the crushing mechanism 17. As a result, the protruding part of the burr Wb protruding from the opening edge of the through hole Wa to the outer surface of the work W is crushed into the through hole Wa and accommodated, and the stacked work Ws between the through holes Wa are formed. The fastening force, that is, the coupling force between the laminated workpieces W is strengthened.

図２に示すように、前記打ち抜き機構１６の上型１９及び押し潰し機構１７の上型２１は、加工機構１１の上型１３と同期して開閉移動されるように構成されている。すなわち、加工機構１１、押し潰し機構１７及び打ち抜き機構１６の上部には、一軸線上の実質１本の回転軸２２が複数のベアリング２３を介して回転可能に延長配置されている。加工機構１１の側部には、回転軸２２を回転させるための減速機構付きモータ２４が配設されている。回転軸２２上には、各機構１１，１７，１６に対応してクランク機構２５Ａ，２５Ｂ，２５Ｃが設けられている。各クランク機構２５Ａ，２５Ｂ，２５Ｃは、ロッド２６Ａ，２６Ｂ，２６Ｃを介して各機構１１，１７，１６の上型１３，２１，１９に連結されている。前記回転軸２２及びクランク機構２５Ａ，２５Ｂ，２５Ｃにより、パンチ１３ａ，２１ａ，１９ａを有する上型１３，２１，１９を同期して作動させるための連繋手段が構成されている。   As shown in FIG. 2, the upper die 19 of the punching mechanism 16 and the upper die 21 of the crushing mechanism 17 are configured to be opened and closed in synchronization with the upper die 13 of the processing mechanism 11. That is, on the upper part of the processing mechanism 11, the crushing mechanism 17, and the punching mechanism 16, substantially one rotary shaft 22 on one axis is extended and arranged via a plurality of bearings 23. A motor 24 with a speed reduction mechanism for rotating the rotary shaft 22 is disposed on the side of the processing mechanism 11. On the rotating shaft 22, crank mechanisms 25A, 25B, and 25C are provided corresponding to the mechanisms 11, 17, and 16, respectively. The crank mechanisms 25A, 25B, 25C are connected to the upper molds 13, 21, 19 of the mechanisms 11, 17, 16 via rods 26A, 26B, 26C. The rotating shaft 22 and the crank mechanisms 25A, 25B, and 25C constitute connecting means for operating the upper molds 13, 21, and 19 having the punches 13a, 21a, and 19a in synchronization.

そして、前記搬送機構１４及び送り込み機構１５による積層ワークＷの搬送停止中において、モータ２４によって回転軸２２が回転される。この回転により、クランク機構２５Ａ，２５Ｂ，２５Ｃ及びロッド２６Ａ，２６Ｂ，２６Ｃを介して、各機構１１，１７，１６の上型１３，２１，１９が同期したサイクルで、ガイド部材２７Ａ，２７Ｂ，２７Ｃに沿って開閉移動される。よって、打ち抜き機構１６による貫通孔Ｗａの形成、押し潰し機構１７による貫通孔Ｗａの開口縁の押し潰し、及び加工機構１１によるパンチ加工が、１つのモータ２４の回転で同期して同時に行われる。   The rotating shaft 22 is rotated by the motor 24 while the conveyance of the laminated workpiece W by the conveyance mechanism 14 and the feeding mechanism 15 is stopped. By this rotation, the guide members 27A, 27B, 27C are rotated in a cycle in which the upper molds 13, 21, 19 of the mechanisms 11, 17, 16 are synchronized via the crank mechanisms 25A, 25B, 25C and the rods 26A, 26B, 26C. It is opened and closed along. Therefore, the formation of the through hole Wa by the punching mechanism 16, the crushing of the opening edge of the through hole Wa by the crushing mechanism 17, and the punching by the processing mechanism 11 are simultaneously performed in synchronization with the rotation of one motor 24.

従って、パンチング装置が稼働されると、搬送機構１４，加工機構１１の上流側の送り込み機構１５及び加工機構１１の下流側の送り出し機構（図示しない）が同期して作動され、３枚のワークＷが積層状態で、所定ピッチで図１の矢印方向に間欠搬送される。そして、その搬送停止中において、打ち抜き機構１６によりワークＷに対して図４（ａ）に示す貫通孔Ｗａが形成される。これと同時に、すでに形成された貫通孔Ｗａに対して、押し潰し機構１７により、貫通孔Ｗａの両端の開口縁が挟圧されて、貫通孔Ｗａの開口縁のバリＷｂが内側に押し潰される。このため、積層ワークＷの表面が平滑になり、その積層ワークＷは送り込み機構１５により加工機構１１側に円滑に、かつ所定のピッチで正確に搬送される。そして、前記バリＷｂが内側に押し込まれることにより、積層ワークＷが相互に締結固定されるため、各ワークＷは一体に搬送され、加工機構１１においてワークＷに対して正確な加工を施すことができる。   Accordingly, when the punching device is operated, the transport mechanism 14, the feeding mechanism 15 upstream of the processing mechanism 11, and the feeding mechanism (not shown) downstream of the processing mechanism 11 are operated in synchronism, and the three workpieces W are operated. Are intermittently conveyed in the direction of the arrow in FIG. Then, during the conveyance stop, the punching mechanism 16 forms a through hole Wa shown in FIG. At the same time, the crushing mechanism 17 presses the opening edges at both ends of the through-hole Wa against the already formed through-hole Wa, and the burr Wb at the opening edge of the through-hole Wa is crushed inward. . For this reason, the surface of the laminated workpiece W becomes smooth, and the laminated workpiece W is conveyed smoothly and accurately at a predetermined pitch to the processing mechanism 11 side by the feeding mechanism 15. And since the laminated | stacked workpiece | work W is mutually fastened and fixed when the said burr | flash Wb is pushed inside, each workpiece | work W is conveyed integrally and can perform exact process with respect to the workpiece | work W in the processing mechanism 11. it can.

従って、この実施形態によれば、以下のような効果を得ることができる。
（１） このパンチング装置においては、打ち抜き機構１６により積層ワークＷに貫通孔Ｗａが打ち抜かれた後、押し潰し機構１７により、貫通孔Ｗａの開口縁が孔内に向かって押し潰されるようになっている。 Therefore, according to this embodiment, the following effects can be obtained.
(1) In this punching apparatus, after the through hole Wa is punched into the laminated workpiece W by the punching mechanism 16, the opening edge of the through hole Wa is crushed by the crushing mechanism 17 toward the inside of the hole. ing.

このため、複数枚のワークを積層状態に位置ずれすることなく一体的に締結固定することができるとともに、貫通孔Ｗａの開口縁に発生したバリＷｂの突出部分を貫通孔Ｗａ内に押し潰して収納処理することができる。よって、積層ワークＷを送り込み機構１５により、その送り込み機構１５と干渉することなく、円滑に、かつ正確に搬送でき、従って積層ワークＷに対して正確にパンチ加工を施すことができる。   Therefore, a plurality of workpieces can be integrally fastened and fixed without being displaced in a stacked state, and the protruding portion of the burr Wb generated at the opening edge of the through hole Wa is crushed into the through hole Wa. It can be stored. Therefore, the laminated workpiece W can be smoothly and accurately conveyed by the feeding mechanism 15 without interfering with the feeding mechanism 15, and thus the laminated workpiece W can be accurately punched.

（２） このパンチング装置においては、前記加工機構１１の上流位置にワークＷの送り込み機構１５が設けられ、前記打ち抜き機構１６及び押し潰し機構１７が送り込み機構１５の上流位置に設けられている。このため、積層ワークＷが一体的に締結固定された状態で、送り込み機構１５により積層ワークＷに送り力が付与されて、積層ワークＷを加工機構１１に対して、送りずれが発生することなく正確に送り込むことができる。   (2) In this punching apparatus, the workpiece W feeding mechanism 15 is provided at an upstream position of the processing mechanism 11, and the punching mechanism 16 and the crushing mechanism 17 are provided at an upstream position of the feeding mechanism 15. For this reason, in a state where the laminated workpiece W is integrally fastened and fixed, a feeding force is applied to the laminated workpiece W by the feeding mechanism 15, and the laminated workpiece W does not cause a feed deviation with respect to the processing mechanism 11. Can be sent accurately.

（３） このパンチング装置においては、打ち抜き機構１６，押し潰し機構１７及び加工機構１１の各パンチ１９ａ，２１ａ，１３ａが、１本の回転軸２２に連結されたクランク機構２５Ａ，２５Ｂ，２５Ｃによって同期して昇降動作される。従って、１つのモータ２４によって各パンチ１９ａ，２１ａ，１３ａを正確に同期して動作させることができるとともに、そのための構成が簡単である。   (3) In this punching device, the punching mechanism 16, the crushing mechanism 17, and the punches 19a, 21a, 13a of the processing mechanism 11 are synchronized by a crank mechanism 25A, 25B, 25C connected to one rotating shaft 22. Then it is moved up and down. Accordingly, each of the punches 19a, 21a, and 13a can be operated accurately and synchronously by one motor 24, and the configuration for that purpose is simple.

（第２実施形態）
次に、この発明を具体化したパンチング装置の第２実施形態を、前記第１実施形態と異なる部分を中心に説明する。 (Second Embodiment)
Next, a second embodiment of the punching apparatus embodying the present invention will be described with a focus on differences from the first embodiment.

この第２実施形態においては、図５に示すように、前記打ち抜き機構１６により複数の貫通孔Ｗａが、帯状のワークＷ上におけるコア片Ｍのパンチ加工部位から離れた位置、つまりコア片Ｍの外径部Ｍｂの外側の位置で、ワークＷの幅方向の両側縁に沿って形成されるようになっている。そして、これらの貫通孔Ｗａが、送り込み機構１５のための送り孔Ｗｃとして用いられるようになっている。   In the second embodiment, as shown in FIG. 5, the plurality of through holes Wa are separated from the punched portion of the core piece M on the strip-shaped workpiece W by the punching mechanism 16, that is, the core piece M It is formed along both side edges in the width direction of the workpiece W at a position outside the outer diameter portion Mb. These through holes Wa are used as feed holes Wc for the feed mechanism 15.

従って、この第２実施形態によれば、前記第１実施形態における（１）及び〜（３）に記載の効果に加えて、以下のような効果を得ることができる。
（４） このパンチング装置においては、前記打ち抜き機構１６によりワークＷ上に打ち抜かれる貫通孔Ｗａが、送り込み機構１５のための送り孔Ｗｃに用いられるように構成されている。このため、積層ワークＷに貫通孔Ｗａを打ち抜くための打ち抜き機構１６とは別に、送り孔Ｗｃを形成するための機構を装備する必要がなく、パンチング装置の構成を簡略化することができる。 Therefore, according to the second embodiment, in addition to the effects described in (1) and (3) in the first embodiment, the following effects can be obtained.
(4) In this punching device, the through hole Wa punched on the workpiece W by the punching mechanism 16 is used as a feed hole Wc for the feed mechanism 15. For this reason, it is not necessary to equip the mechanism for forming the feed hole Wc separately from the punching mechanism 16 for punching the through hole Wa in the laminated workpiece W, and the configuration of the punching apparatus can be simplified.

（変更例）
なお、この実施形態は、次のように変更して具体化することも可能である。
・ 押し潰し手段としての押し潰し機構１７の構成を変更すること。例えば、前記実施形態においては、上下のパンチ２０ａ，２１ａをテーパ状にしたが、球面状にしたり、平面状にしたりすること。 (Example of change)
In addition, this embodiment can also be changed and embodied as follows.
-Changing the structure of the crushing mechanism 17 as a crushing means. For example, in the above-described embodiment, the upper and lower punches 20a and 21a are tapered, but may be spherical or planar.

・ 積層されるワークＷの枚数を２枚あるいは４枚以上に変更すること。
・ 打ち抜き機構１６のパンチ１９ａと、押し潰し機構１７の上部側のパンチ２１ａとを同一のフレーム上に取り付けること。このように構成すれば、クランク機構の数を少なくできる。 -Change the number of workpieces W to be stacked to 2 or 4 or more.
The punch 19a of the punching mechanism 16 and the punch 21a on the upper side of the crushing mechanism 17 are attached on the same frame. If comprised in this way, the number of crank mechanisms can be decreased.

・ 従って、積層ワークＷの打ち抜き機構１６及び押し潰し機構１７を送り込み機構１５の下流側に設けること。このように構成しても、積層ワークＷを円滑かつ正確に搬送できる。   Therefore, the punching mechanism 16 and the crushing mechanism 17 for the laminated workpiece W are provided on the downstream side of the feeding mechanism 15. Even if comprised in this way, the lamination | stacking workpiece | work W can be conveyed smoothly and correctly.

・ 加工機構１１，打ち抜き機構１６及び押し潰し機構１７を機械的に同期させる構造ではなく、エンコーダ等の検出手段を用いて電気的に動作を同期させる構成を用いること。   -The structure which synchronizes operation | movement electrically using detection means, such as an encoder, not the structure which synchronizes the processing mechanism 11, the punching mechanism 16, and the crushing mechanism 17 mechanically.

１１…加工部としての加工機構、１４…搬送機構、１５…送り込み手段としての送り込み機構、１６…打ち抜き手段としての打ち抜き機構、１７…押し潰し手段としての押し潰し機構、１９ａ…パンチ、２１ａ…パンチ、２５Ａ…クランク機構、２５Ｂ…クランク機構、２５Ｃ…クランク機構、Ｗ…ワーク、Ｗａ…貫通孔、Ｗｂ…バリ、Ｗｃ…送り孔。   DESCRIPTION OF SYMBOLS 11 ... Processing mechanism as a process part, 14 ... Conveyance mechanism, 15 ... Feeding mechanism as feeding means, 16 ... Punching mechanism as punching means, 17 ... Crushing mechanism as crushing means, 19a ... Punch, 21a ... Punch 25A ... Crank mechanism, 25B ... Crank mechanism, 25C ... Crank mechanism, W ... Workpiece, Wa ... Through hole, Wb ... Burr, Wc ... Feed hole.

Claims (4)

複数枚の帯状のワークを積層状態で間欠搬送して、搬送停止中に加工部においてワークに対してパンチ加工を施すようにしたパンチング装置であって、
積層ワークに貫通孔を打ち抜くための打ち抜き手段と、前記貫通孔の開口縁を孔内に向かって押し潰すための押し潰し手段とを設け、
前記加工部の上流位置にワークの送り込み手段を設け、前記打ち抜き手段及び押し潰し手段を前記送り込み手段の上流位置に設けたことを特徴とするパンチング装置。 A punching device that intermittently conveys a plurality of strip-shaped workpieces in a stacked state, and performs punching on the workpiece in the machining section during conveyance stop,
Setting the punching means for punching a through hole in the lamination work, the crushing means for crushing the opening edge of the through hole towards the hole,
A punching apparatus comprising: a workpiece feeding means provided at an upstream position of the processing portion; and the punching means and the crushing means provided at an upstream position of the feeding means . 前記打ち抜き手段と押し潰し手段とを同期して動作させるための連繋手段を設けたことを特徴とする請求項１に記載のパンチング装置。 2. The punching apparatus according to claim 1 , further comprising linkage means for operating the punching means and the crushing means in synchronization. 前記連繋手段は、同一軸上に設けられたクランク機構であることを特徴とする請求項２に記載のパンチング装置。 The punching device according to claim 2 , wherein the connecting means is a crank mechanism provided on the same shaft. 前記連繋手段は、前記加工部のパンチを動作させるためのクランク機構を含むことを特徴とする請求項３に記載のパンチング装置。 The punching apparatus according to claim 3 , wherein the linking means includes a crank mechanism for operating a punch of the processing portion.
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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239880A (en) * 1975-09-23 1977-03-28 Matsushita Electric Ind Co Ltd Method for punching a double steel tape continuously
JPS55156623A (en) * 1979-05-23 1980-12-05 Shinko Electric Co Ltd Blanking method for overlapped double sheets for iron core of electrical machinery and apparatus
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JP3771933B2 (en) * 2002-03-08 2006-05-10 Ｊｆｅスチール株式会社 LAMINATED CORE MATERIAL AND METHOD FOR PRODUCING THE SAME
JP2005169406A (en) * 2003-12-08 2005-06-30 Kinmatsu:Kk Method for forming countersink on both sides of blade plate for hinge
JP4472386B2 (en) * 2004-03-10 2010-06-02 株式会社三井ハイテック Manufacturing method of laminated iron core
JP4798965B2 (en) * 2004-05-31 2011-10-19 株式会社東芝 Manufacturing method of rotating machine iron core

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