JP4597696B2 - Suction pad - Google Patents

Suction pad Download PDF

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JP4597696B2
JP4597696B2 JP2005034799A JP2005034799A JP4597696B2 JP 4597696 B2 JP4597696 B2 JP 4597696B2 JP 2005034799 A JP2005034799 A JP 2005034799A JP 2005034799 A JP2005034799 A JP 2005034799A JP 4597696 B2 JP4597696 B2 JP 4597696B2
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suction
rib
pad
adsorption
low
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JP2006218578A (en
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正博 穂満
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Convum Ltd
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Myotoku Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers

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Description

本発明は、被吸着物を吸着搬送するための吸着パッドに関する。   The present invention relates to a suction pad for sucking and conveying an object to be adsorbed.

従来技術は、吸着搬送装置の被吸着物と接して吸着搬送をするための吸着パッドであり、スカート部、ほぼ中央部に吸引口、該スカート部の外周部にパッドリブ、並びに、内面に複数の吸引溝及び複数の吸着リブを有するお椀型の吸着パッドが利用されている。前記吸着パッドに被吸着物を接触させ、吸引口より真空引きすることにより吸着パッドのお椀型内部の空気が排除され被吸着物と複数の吸着リブが接触し、吸着溝により真空引きが継続される。   The prior art is a suction pad for sucking and transporting in contact with an object to be sucked by a suction transport device, a skirt portion, a suction port at a substantially central portion, a pad rib at an outer peripheral portion of the skirt portion, and a plurality of pads on an inner surface. A bowl-shaped suction pad having a suction groove and a plurality of suction ribs is used. The suction object is brought into contact with the suction pad and evacuated from the suction port, thereby eliminating the air inside the bowl of the suction pad and bringing the suction object into contact with the plurality of suction ribs. The

以下の文献に吸着リブ（凸形状支持部、吸着面）、吸引溝（吸着溝、凹部）、吸引口（真空吸引穴、通路）、スカート部、などが記載されている。
特開２００３−０９４３７０号公報 特開２００１−２０５５８６号公報 The following documents describe suction ribs (convex support portions, suction surfaces), suction grooves (suction grooves, recesses), suction ports (vacuum suction holes, passages), skirt portions, and the like.
JP 2003-094370 A JP 2001-205586 A

従来技術による吸着パッドは、多数回の吸着搬送を繰り返し繰り返し行ううちに被吸着物と接する部分の吸着リブの摩耗が起こる、構成材料の疲労が起こる、などにより吸着ミスが発生するという問題点がある。構成材料の疲労の前に起こる吸着リブの摩耗状態を目視により検知して吸着パッドの寿命（交換時期）を予知する問題点を解決した吸着パッドを提供する。   The suction pad according to the prior art has a problem that a suction error occurs due to wear of the suction rib in the part in contact with the object to be adsorbed, fatigue of the constituent material, etc. while repeatedly carrying out the suction conveyance many times. is there. Provided is a suction pad that solves the problem of predicting the life (replacement time) of the suction pad by visually detecting the wear state of the suction rib that occurs before the fatigue of the constituent material.

本発明は、吸引口と、スカート部と、前記スカート部の外周部に形成されたパッドリップと、前記スカート部の内部に吸引溝及び吸着リブを有する吸着パッドにおいて、
前記吸着リブは、吸着高リブと、前記吸着高リブよりも低い吸着低リブとが連続的に形成されていることを特徴とする吸着パッドであり、吸着搬送後の経時変化として起こる吸着高リブの摩耗の後に吸着低リブに起こる摩耗状態を検知して吸着パッドの寿命（交換時期）を予知することができ保守点検に有用である。
The present invention includes a suction port, and a skirt portion, and the pad lip formed on the outer periphery of the skirt portion, the adsorption pad that having a suction引溝及beauty intake Chakuribu inside the skirt,
The adsorption rib is an adsorption pad in which an adsorption high rib and an adsorption low rib lower than the adsorption high rib are continuously formed , and the adsorption high rib that occurs as a change with time after adsorption conveyance It is possible to predict the life (replacement time) of the suction pad by detecting the wear state that occurs in the suction low rib after the wear, and is useful for maintenance inspection.

更に、前記吸着低リブの平面部には前記吸着高リブの平面部の色とは異なる着色が施されており、前記吸着高リブの表面部が摩耗し前記吸着低リブの表面部が被吸着物と接触することによって、前記吸着低リブの前記着色が剥がれる吸着パッドであり、該吸着高リブと該吸着低リブの区別が明瞭であり該吸着低リブの摩耗状態の検知が安易である。 Furthermore, the suction in the flat portion of the lower ribs are decorated differently colored from the color of the planar portion of the suction high ribs, the surface portion of the suction height rib wears the suction low rib surface portions to be adsorbed It is a suction pad in which the coloring of the suction low rib is peeled off when it comes into contact with an object, and the distinction between the suction high rib and the suction low rib is clear, and the wear state of the suction low rib is easy to detect.

本発明に係る吸着パッドの詳細な説明をするが、以下の記述に限定されるものでなく、要旨を逸脱しない範囲事項を含む。 The suction pad according to the present invention will be described in detail, but the present invention is not limited to the following description, and includes items that do not depart from the gist.

本発明に係る吸着パッド１０は、中心部に吸引口３、スカート部９、該スカート部の外周部にパッドリップ２、並びに、内面に複数の吸引溝５及び複数の吸着リブ８を有する概ね柱・錐形状であり、複数個の吸着高リブ６及び吸着低リブ４より成る該吸着リブ８のうち少なくとも一個以上の吸着低リブが他の吸着高リブより０．０５ｍｍ以上の背が低い吸着パッドであり、吸着高リブ６のトータル面積が吸着リブ８及び吸引溝５を形成する部分の面積の１０〜９０％の吸着パッドであり、吸着低リブの色が吸着高リブの色と異なる吸着パッドである。   The suction pad 10 according to the present invention is a substantially column having a suction port 3, a skirt portion 9, a pad lip 2 on the outer peripheral portion of the skirt portion, a plurality of suction grooves 5 and a plurality of suction ribs 8 on the inner surface. A suction pad that is conical and has at least one suction low rib of the plurality of suction high ribs 6 and suction low ribs 4 and has a height of 0.05 mm or more lower than the other suction high ribs. A suction pad whose total area of the suction high rib 6 is 10 to 90% of the area of the portion where the suction rib 8 and the suction groove 5 are formed, and the color of the suction low rib is different from the color of the suction high rib It is.

複数の吸引溝５及び複数の吸着リブ８を有する概ね柱・錐形状の吸着パッド１０は、形状、寸法、材料、等を特に限定するものでない。概ね柱・錐形状は、円錐形状、三角錐形状、四角錐形状、多角錐形状、円柱形状、三角柱形状、四角柱形状、多角柱形状、等であり、好ましくは、円錐形状である。好ましい概ね円錐形状の吸着パッド１０は、トップ部１のほぼ中心部に吸引口３，トップ部１及びスカート部９がわん曲的、直線的に連続して円錐形状を形成し、円錐形状の先端周囲にパッドリップ２が形成され、円錐形状内部に吸着高リブ６及び吸着低リブ４より成る吸着リブ８並びに吸着溝５が形成されている。   The substantially columnar / conical suction pad 10 having the plurality of suction grooves 5 and the plurality of suction ribs 8 is not particularly limited in shape, size, material, and the like. The generally columnar / conical shape is a conical shape, a triangular pyramid shape, a quadrangular pyramid shape, a polygonal pyramid shape, a cylindrical shape, a triangular prism shape, a quadrangular prism shape, a polygonal prism shape, or the like, and preferably a conical shape. The preferable substantially conical suction pad 10 has a suction port 3, a top portion 1 and a skirt portion 9 which are curved and linearly formed in a substantially central portion of the top portion 1 to form a conical tip. The pad lip 2 is formed in the periphery, and the suction rib 8 and the suction groove 5 including the suction high rib 6 and the suction low rib 4 are formed in the conical shape.

吸着パッド１０の前記トップ部１、前記吸引口３、前記スカート部９及び前記パッドリップ２は、従来技術、従来形状、等と概ね同様であるので詳細な記述を省略する。   Since the top portion 1, the suction port 3, the skirt portion 9, and the pad lip 2 of the suction pad 10 are substantially the same as those of the prior art, the conventional shape, etc., detailed description thereof is omitted.

吸着リブ８が少なくとも一個以上の吸着低リブ４及び複数の吸着高リブ６の複合集団であり、該吸着高リブ６の摩耗及び吸着パッドの構成材料の疲労による寿命を考慮すると、該吸着低リブ４が該吸着高リブ６より０．０５ｍｍ以上背が低い（突起形状の吸着低リブ４の平均高さが突起形状の吸着高リブ６の平均高さより０．０５ｍｍ以上低い）ことであり、好ましくは０．１ｍｍ以上であり、更に好ましくは０．１ｍｍ〜２ｍｍであり、吸着パッドの寿命及び吸着リブの摩耗状態を予知、検知することができる。また、該吸着低リブ４が一個以上であり該吸着高リブ６の近傍で有れば良く個数、配置位置を特に限定するものでなく、吸着高リブ６及び吸着低リブ４が連続的にまたは独立的に形成されていてもよく、好ましくは摩耗の均一性を確認するためには複数個以上である。該吸着高リブ６及び該吸着低リブ４の高さの差は被吸着物の硬度、表面状態並びに吸着リブ８の硬度、表面状態により決める。   The adsorption rib 8 is a composite group of at least one adsorption low rib 4 and a plurality of adsorption high ribs 6, and considering the wear of the adsorption high rib 6 and the fatigue life of the constituent material of the adsorption pad, the adsorption low rib 4 is 0.05 mm or more lower than the adsorption high rib 6 (the average height of the protrusion-shaped adsorption low rib 4 is 0.05 mm or more lower than the average height of the protrusion-shaped adsorption high rib 6), preferably Is 0.1 mm or more, more preferably 0.1 mm to 2 mm, and the life of the suction pad and the wear state of the suction rib can be predicted and detected. Further, the number and the position of the adsorption low ribs 4 are not particularly limited as long as the number of the adsorption low ribs 4 is one or more and in the vicinity of the adsorption high ribs 6. They may be formed independently, and more than one is preferable in order to confirm the uniformity of wear. The difference in height between the adsorption high rib 6 and the adsorption low rib 4 is determined by the hardness and surface state of the object to be adsorbed and the hardness and surface state of the adsorption rib 8.

該吸着リブ８の材料、形状、寸法、等を特に限定するものでないが、好ましくは材料として適正な硬度を有するＮＢＲ、シリコンゴム、ウレタンゴム、フッ素ゴム、エチレンプロピレン、クロロプロピレンゴム、等の導電性または非導電性の弾性体であり、好ましくは高さ寸法として吸気・排気（真空排気、真空破壊）の流体の流れがスムーズであるために吸引溝５の底部より０．３ｍｍ以上であり、好ましくは該吸着高リブ６の被吸着物と接する面の表面粗さを２５〜５００μｍとすることにより表面の汚れ物、油脂などが吸気・排気され接触面の摩擦抵抗が増加して横滑り現象が減少する。 The material, shape, dimensions, and the like of the adsorption rib 8 are not particularly limited, but are preferably conductive such as NBR, silicon rubber, urethane rubber, fluorine rubber, ethylene propylene, and chloropropylene rubber having appropriate hardness as a material. Or a non-conductive elastic body, preferably having a height of 0.3 mm or more from the bottom of the suction groove 5 because the fluid flow of intake and exhaust (vacuum exhaust, vacuum break) is smooth, Preferably, the surface roughness of the surface of the adsorption high rib 6 in contact with the object to be adsorbed is 25 to 500 μm, so that dirt and oil on the surface are sucked and exhausted to increase the frictional resistance of the contact surface, thereby causing a side slip phenomenon. Decrease.

吸引溝５は前記吸着リブ８の周りに形成されている吸気・排気用の溝であり、該吸引溝５の形状、寸法、等を全ての該吸引溝に均一的に限定するものでない。好ましくは該吸引溝５は整列な、不整列な網目状でありほぼ全てが連通していて幅が０．５ｍｍ以上であり、深さが０．３ｍｍ以上（前記吸着高リブ６の平均表面に対して）であることにより吸気・排気時に微少な汚れ物、油脂、等を含む流体を吸引排除することができる。より好ましくは外周部の吸引溝よりも中心部の吸引溝の幅及び深さが広く、深いことである。   The suction groove 5 is an intake / exhaust groove formed around the suction rib 8 and does not uniformly limit the shape, size, etc. of the suction groove 5 to all the suction grooves. Preferably, the suction groove 5 is an aligned or non-aligned network, almost all communicates, has a width of 0.5 mm or more, and a depth of 0.3 mm or more (on the average surface of the adsorption high rib 6). On the other hand, a fluid containing minute dirt, oils and fats can be sucked out during intake and exhaust. More preferably, the suction groove in the central part is wider and deeper than the suction groove in the outer peripheral part.

前記吸着高リブ６及び前記吸引溝５の比率を特に限定するものでない。好ましくは、吸着高リブ６のトータル面積がスカート部９内で裏パッドリップ７の部分を除く吸着リブ８及び吸引溝５を形成する部分の面積の１０〜９０％である。更に好ましくは、３０〜９０％である。このような面積比の吸着パッドは、吸引口３から真空ポンプ、真空発生器などによる真空を利用して吸着パッド内の流体を排除して被吸着物を吸着パッドに吸着すると、該吸着パッドの裏パットリップ７の部分の弾性により該被吸着物が吸着高リブ６に接触し、更に、該被吸着物及び該吸着高リブ６の間の残流体、微少な汚れ、油脂、類が表面粗さの隙間を通り該吸引溝５を通じて排除されて密着され、油脂類による滑りが減少し該被吸着物が横滑りすることなく確実に吸着されて搬送される。   The ratio of the adsorption high rib 6 and the suction groove 5 is not particularly limited. Preferably, the total area of the suction high rib 6 is 10 to 90% of the area of the skirt portion 9 where the suction rib 8 and the suction groove 5 are formed excluding the back pad lip 7 portion. More preferably, it is 30 to 90%. The suction pad having such an area ratio can be obtained by removing the fluid in the suction pad using the vacuum from the suction port 3 by using a vacuum pump, a vacuum generator, etc. and adsorbing the object to be sucked to the suction pad. The object to be adsorbed comes into contact with the adsorption high rib 6 due to the elasticity of the portion of the back plate lip 7, and further, residual fluid, minute dirt, oil and fats, and the like between the object to be adsorbed and the adsorption high rib 6 are rough on the surface. Passing through the gap, it is eliminated and brought into close contact with the suction groove 5, slipping due to oils and fats is reduced, and the object to be adsorbed is reliably adsorbed and transported without slipping.

本発明に係る吸着パッドの一実施態様例を説明する。
（実施例１）
カーボン粉を混練した導電性ウレタンゴムを金型成形した中心部に２０ｍｍの円柱形の吸引口３，該吸引口の周りに４０ｍｍの円柱形のトップ部１、該トップ部と連続して円錐状に開くスカート部９、該スカート部の先にパットリップ２が形成され、該パットリップの外径が１０５ｍｍ、トップ部１からパッドリップ２の高さが４０ｍｍの概ねお椀状の吸着パッド１０である。（図２参照） An example of an embodiment of the suction pad according to the present invention will be described.
Example 1
A conductive urethane rubber kneaded with carbon powder is molded in the center of a 20 mm cylindrical suction port 3, a 40 mm cylindrical top portion 1 around the suction port, and a conical shape continuous with the top portion. A skirt portion 9 that opens to the top, and a pad lip 2 is formed at the tip of the skirt portion, the outer diameter of the pad lip is 105 mm, and the height of the pad lip 2 from the top portion 1 is 40 mm. . (See Figure 2)

前記吸着パッド１０のスカート部９の内面には、吸引口３に連通した吸着溝５及び吸着リブ８が形成され、該吸着リブ８が吸着高リブ６（平面部の表面粗さ平均が５０μｍ）及び吸着低リブ４の混合状態であり、吸着高リブ６及び吸着低リブ４を高さを変えて連続して形成し、該吸着低リブ４が８個形成されている。該吸着高リブ６と該吸着低リブ４の平面部の高さの差が０．５ｍｍであり該吸着低リブ４が低く、吸引溝５の深さが該吸着高リブ６の平面部より２ｍｍであり該吸引溝５の幅が１ｍｍ〜３ｍｍである。   On the inner surface of the skirt portion 9 of the suction pad 10, suction grooves 5 and suction ribs 8 communicating with the suction port 3 are formed, and the suction ribs 8 are suction high ribs 6 (average surface roughness of the flat portion is 50 μm). The adsorption high ribs 6 and the adsorption low ribs 4 are continuously formed at different heights, and eight adsorption low ribs 4 are formed. The difference in height between the flat portion of the suction high rib 6 and the suction low rib 4 is 0.5 mm, the suction low rib 4 is low, and the depth of the suction groove 5 is 2 mm from the flat portion of the suction high rib 6. The width of the suction groove 5 is 1 mm to 3 mm.

該吸着リブを構成する該吸着高リブ６の平面部のトータル面積が該吸着リブ８及び該吸着溝５を形成する部分の面積の６０％であり、該吸着低リブ４の平面部に黄色のペイントが施されている。   The total area of the flat portion of the high suction rib 6 constituting the suction rib is 60% of the area of the portion where the suction rib 8 and the suction groove 5 are formed, and the flat portion of the low suction rib 4 is yellow. Paint is applied.

実施例による吸着パッド１０は、吸着搬送により吸着高リブ６の表面部が摩耗し、耐用回数に近づくと吸着低リブ４の表面部が被吸着物と接触するために摩耗が始まり表面のペイントが剥がれるのを目視検知して吸着パッドの寿命として搬送装置から取り外し交換する。   In the suction pad 10 according to the embodiment, the surface portion of the suction high rib 6 is worn by suction conveyance, and the surface portion of the suction low rib 4 comes into contact with the object to be adsorbed when approaching the end of the service life. The peeling is visually detected and removed from the transport device for replacement as the life of the suction pad.

本発明に係る吸着パッドは、吸着搬送時の被吸着物と吸着リブの接触による摩耗状態を比較検知して吸着パッドの寿命（交換時期）を予知することができて保守点検に有用である。   The suction pad according to the present invention is useful for maintenance inspection because it can predict the life (replacement time) of the suction pad by comparing and detecting the wear state due to the contact between the object to be sucked and the suction rib during suction conveyance.

本発明に係る吸着パッドの一実施態様を示す正面図である。It is a front view which shows one embodiment of the suction pad which concerns on this invention. 本発明に係る吸着パッドの一実施態様を示す側面図である。It is a side view which shows one embodiment of the suction pad which concerns on this invention.

符号の説明Explanation of symbols

１ トップ部
２ パッドリップ
３ 吸引口
４ 吸着低リブ
５ 吸引溝
６ 吸着高リブ
７ 裏パッドリップ
８ 吸着リブ
９ スカート部
１０ 吸着パッド
1 Top part 2 Pad lip 3 Suction port 4 Suction low rib 5 Suction groove 6 Suction high rib 7 Back pad lip 8 Suction rib 9 Skirt part 10 Suction pad

Claims (2)

吸引口と、スカート部と、前記スカート部の外周部に形成されたパッドリップと、前記スカート部の内部に複数の吸引溝及び複数の吸着リブを有する吸着パッドにおいて、
前記吸着リブは、吸着高リブと、前記吸着高リブよりも低い吸着低リブとが連続的に形成されていることを特徴とする吸着パッド。 In a suction pad having a suction port, a skirt portion, a pad lip formed on the outer periphery of the skirt portion, and a plurality of suction grooves and a plurality of suction ribs inside the skirt portion,
The suction pad, wherein the suction rib is formed by continuously forming a suction high rib and a suction low rib lower than the suction high rib. 前記吸着低リブの平面部には前記吸着高リブの平面部の色とは異なる着色が施されており、前記吸着高リブの表面部が摩耗し前記吸着低リブの表面部が被吸着物と接触することによって、前記吸着低リブの前記着色が剥がれる請求項１に記載の吸着パッド。 The flat portion of the adsorption low rib is colored differently from the color of the flat portion of the adsorption high rib, the surface portion of the adsorption high rib is worn, and the surface portion of the adsorption low rib is The suction pad according to claim 1, wherein the color of the suction low rib is peeled off by contact.
JP2005034799A 2005-02-10 2005-02-10 Suction pad Expired - Fee Related JP4597696B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4049812A4 (en) * 2019-10-25 2023-02-15 OMRON Corporation Degradation determination device, degradation determination method, and control program

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JP7160248B2 (en) * 2018-08-08 2022-10-25 Smc株式会社 suction pad

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JPH0162275U (en) * 1987-10-12 1989-04-20
JPH0269685U (en) * 1988-11-16 1990-05-28
JPH0422440U (en) * 1990-06-13 1992-02-25
JPH0438391U (en) * 1990-07-25 1992-03-31
JPH07215503A (en) * 1994-02-04 1995-08-15 Amada Co Ltd Vacuum pad and plate conveying device

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JPH0162275U (en) * 1987-10-12 1989-04-20
JPH0269685U (en) * 1988-11-16 1990-05-28
JPH0422440U (en) * 1990-06-13 1992-02-25
JPH0438391U (en) * 1990-07-25 1992-03-31
JPH07215503A (en) * 1994-02-04 1995-08-15 Amada Co Ltd Vacuum pad and plate conveying device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4049812A4 (en) * 2019-10-25 2023-02-15 OMRON Corporation Degradation determination device, degradation determination method, and control program

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