OPTICAL TYPE SAFETY DEVICE FOR PRESS BREAK, PRESS BRAKE, AND OPTICAL TYPE MONITORING METHOD

To enhance the efficiency of processing a press brake 10 under the condition that a press brake 10 is equipped with an optical type safety device 42 to secure a sufficient safety of the work of bend processing.SOLUTION: A judgment part 70 judges, on the basis of the optical receiving state of a phot...

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description To enhance the efficiency of processing a press brake 10 under the condition that a press brake 10 is equipped with an optical type safety device 42 to secure a sufficient safety of the work of bend processing.SOLUTION: A judgment part 70 judges, on the basis of the optical receiving state of a photodiode 56located in a moat vicinity of an upper die 12, whether or not a shadow of the upper die 12 with a laser beam B projected on the side of an optical receiver 52 expands to the photodiode 56. A nullification part 72 nullifies the photodiode 56when the shadows of the upper die 12 expands to the photodiode 56located in the most vicinity of the upper die 12. A detection part 74 detects, during a descending motion of an upper table 26, whether foreign matters are present between the upper die 12 and a lower die 14 on the basis of the optical receiving state of a plurality of effective photodiodes 56.SELECTED DRAWING: Figure 1 【課題】プレスブレーキ10が光学式安全装置42を装備して、曲げ加工の作業の安全性を十分に確保した上で、プレスブレーキ10の加工効率を高めること。【解決手段】判定部70は、上金型12の最近傍に位置するフォトダイオード564の受光状態に基づいて、受光器52側に投影されるレーザ光Bよる上金型12の影が、そのフォトダイオード564まで拡大しているか否かを判定する。無効化部72は、上金型12の影が上金型12の最近傍に位置するフォトダイオード564まで拡大していると判定された場合には、そのフォトダイオード564を無効化する。検出部74は、上部テーブル26の下降動作中に、有効な複数のフォトダイオード56の受光状態に基づいて、上金型12と下金型14の間における異物の有無を検出する。【選択図】図1
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A nullification part 72 nullifies the photodiode 56when the shadows of the upper die 12 expands to the photodiode 56located in the most vicinity of the upper die 12. A detection part 74 detects, during a descending motion of an upper table 26, whether foreign matters are present between the upper die 12 and a lower die 14 on the basis of the optical receiving state of a plurality of effective photodiodes 56.SELECTED DRAWING: Figure 1 【課題】プレスブレーキ10が光学式安全装置42を装備して、曲げ加工の作業の安全性を十分に確保した上で、プレスブレーキ10の加工効率を高めること。【解決手段】判定部70は、上金型12の最近傍に位置するフォトダイオード564の受光状態に基づいて、受光器52側に投影されるレーザ光Bよる上金型12の影が、そのフォトダイオード564まで拡大しているか否かを判定する。無効化部72は、上金型12の影が上金型12の最近傍に位置するフォトダイオード564まで拡大していると判定された場合には、そのフォトダイオード564を無効化する。検出部74は、上部テーブル26の下降動作中に、有効な複数のフォトダイオード56の受光状態に基づいて、上金型12と下金型14の間における異物の有無を検出する。【選択図】図1</description><language>eng ; jpn</language><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PRESSES ; PRESSES IN GENERAL ; PUNCHING METAL ; TRANSPORTING ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190919&amp;DB=EPODOC&amp;CC=JP&amp;NR=2019155433A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190919&amp;DB=EPODOC&amp;CC=JP&amp;NR=2019155433A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MATSUURA KENTO</creatorcontrib><title>OPTICAL TYPE SAFETY DEVICE FOR PRESS BREAK, PRESS BRAKE, AND OPTICAL TYPE MONITORING METHOD</title><description>To enhance the efficiency of processing a press brake 10 under the condition that a press brake 10 is equipped with an optical type safety device 42 to secure a sufficient safety of the work of bend processing.SOLUTION: A judgment part 70 judges, on the basis of the optical receiving state of a photodiode 56located in a moat vicinity of an upper die 12, whether or not a shadow of the upper die 12 with a laser beam B projected on the side of an optical receiver 52 expands to the photodiode 56. A nullification part 72 nullifies the photodiode 56when the shadows of the upper die 12 expands to the photodiode 56located in the most vicinity of the upper die 12. A detection part 74 detects, during a descending motion of an upper table 26, whether foreign matters are present between the upper die 12 and a lower die 14 on the basis of the optical receiving state of a plurality of effective photodiodes 56.SELECTED DRAWING: Figure 1 【課題】プレスブレーキ10が光学式安全装置42を装備して、曲げ加工の作業の安全性を十分に確保した上で、プレスブレーキ10の加工効率を高めること。【解決手段】判定部70は、上金型12の最近傍に位置するフォトダイオード564の受光状態に基づいて、受光器52側に投影されるレーザ光Bよる上金型12の影が、そのフォトダイオード564まで拡大しているか否かを判定する。無効化部72は、上金型12の影が上金型12の最近傍に位置するフォトダイオード564まで拡大していると判定された場合には、そのフォトダイオード564を無効化する。検出部74は、上部テーブル26の下降動作中に、有効な複数のフォトダイオード56の受光状態に基づいて、上金型12と下金型14の間における異物の有無を検出する。【選択図】図1</description><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PRESSES</subject><subject>PRESSES IN GENERAL</subject><subject>PUNCHING METAL</subject><subject>TRANSPORTING</subject><subject>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIj2DwjxdHb0UQiJDHBVCHZ0cw2JVHBxDfN0dlVw8w9SCAhyDQ5WcApydfTWgXMcvV11FBz9XBRQNPv6-3mG-Ad5-rkr-LqGePi78DCwpiXmFKfyQmluBiWg8c4euqkF-fGpxQWJyal5qSXxXgFGBoaWhqamJsbGjsZEKQIAuGUyLQ</recordid><startdate>20190919</startdate><enddate>20190919</enddate><creator>MATSUURA KENTO</creator><scope>EVB</scope></search><sort><creationdate>20190919</creationdate><title>OPTICAL TYPE SAFETY DEVICE FOR PRESS BREAK, PRESS BRAKE, AND OPTICAL TYPE MONITORING METHOD</title><author>MATSUURA KENTO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2019155433A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2019</creationdate><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PRESSES</topic><topic>PRESSES IN GENERAL</topic><topic>PUNCHING METAL</topic><topic>TRANSPORTING</topic><topic>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>MATSUURA KENTO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MATSUURA KENTO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL TYPE SAFETY DEVICE FOR PRESS BREAK, PRESS BRAKE, AND OPTICAL TYPE MONITORING METHOD</title><date>2019-09-19</date><risdate>2019</risdate><abstract>To enhance the efficiency of processing a press brake 10 under the condition that a press brake 10 is equipped with an optical type safety device 42 to secure a sufficient safety of the work of bend processing.SOLUTION: A judgment part 70 judges, on the basis of the optical receiving state of a photodiode 56located in a moat vicinity of an upper die 12, whether or not a shadow of the upper die 12 with a laser beam B projected on the side of an optical receiver 52 expands to the photodiode 56. 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subjects MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSES
PRESSES IN GENERAL
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
title OPTICAL TYPE SAFETY DEVICE FOR PRESS BREAK, PRESS BRAKE, AND OPTICAL TYPE MONITORING METHOD
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