JP5028590B2 - Appearance inspection truck system - Google Patents
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- JP5028590B2 JP5028590B2 JP2007323751A JP2007323751A JP5028590B2 JP 5028590 B2 JP5028590 B2 JP 5028590B2 JP 2007323751 A JP2007323751 A JP 2007323751A JP 2007323751 A JP2007323751 A JP 2007323751A JP 5028590 B2 JP5028590 B2 JP 5028590B2
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Description
本発明は、電子部品を収納して搬送するキャリアテープを走行させるとともに、走行中のキャリアテープ内の電子部品の外観検査を行なう外観検査トラックシステムに係り、とりわけ電子部品に対して精度良く外観検査を行なうことができる外観検査トラックシステムに関する。 The present invention relates to an appearance inspection track system that travels a carrier tape that accommodates and conveys electronic components and inspects the appearance of electronic components in a traveling carrier tape, and in particular, accurately inspects the appearance of electronic components. The present invention relates to an appearance inspection track system capable of performing
従来より電子部品の外観検査トラックシステムとして、電子部品を収納して搬送するキャリアテープを走行させるとともに、走行中のキャリアテープ内の電子部品（ワーク）の外観検査を行なう外観検査トラックシステムが知られている。 2. Description of the Related Art Conventionally, as an appearance inspection track system for electronic components, an appearance inspection track system for running an appearance inspection of an electronic component (work) in a traveling carrier tape while running a carrier tape that stores and conveys electronic components is known. ing.
このような外観検査トラックシステムは、電子部品（ワーク）を収納したキャリアテープを走行させる走行面を有するトラックと、このトラック近傍に設けられキャリアテープ内の電子部品の外観検査を行なう外観検査部とを備えている。 Such an appearance inspection track system includes a track having a running surface for running a carrier tape containing electronic components (workpieces), and an appearance inspection unit that is provided near the track and inspects the appearance of electronic components in the carrier tape. It has.
またトラックには電子部品の姿勢を安定させるため永久磁石が内蔵されている。 The track also has a permanent magnet built in to stabilize the posture of the electronic components.
ところでトラックに内蔵された永久磁石は、同極同士を互いに連接された多数の永久磁石片を有するとともにキャリアテープの走行方向に長尺状に延びている。また同極同士を連接して長尺状にしてあるため、永久磁石の磁力線は走行方向に対して直交する方向を向いている。 By the way, the permanent magnet built in the track has a number of permanent magnet pieces having the same poles connected to each other and extends in a long shape in the running direction of the carrier tape. In addition, since the same poles are connected to each other in a long shape, the magnetic lines of force of the permanent magnet are directed in a direction perpendicular to the traveling direction.
このように永久磁石は、一般に互いに連接された多数の永久磁石片を有しているが、個々の永久磁石片は製造上の理由から互いに異なる磁束密度をもつことがあり、この場合は各々の永久磁石片の接続部分では磁力の乱れが発生し、この磁力の乱れによってキャリアテープ内のワークが飛び上がったり回転したりして、ワークの姿勢が安定しないことがある。 Thus, a permanent magnet generally has a number of permanent magnet pieces connected to each other, but the individual permanent magnet pieces may have different magnetic flux densities for manufacturing reasons. In the connection part of the permanent magnet piece, the magnetic force is disturbed, and the work in the carrier tape may jump up or rotate due to this magnetic force disturbance, and the posture of the work may not be stabilized.
キャリアテープ内のワークが外観検査部を通る際、たまたま飛び上がったり、回転した場合、この外観検査部によりワークを精度良く検査することができず、良品ワークを不良品ワークと判定することも考えられる。 When the workpiece in the carrier tape happens to jump or rotate when it passes through the appearance inspection section, the appearance inspection section cannot inspect the workpiece with high accuracy, and it may be considered that the non-defective workpiece is determined as a defective workpiece. .
本発明はこのような点を考慮してなされたものであり、キャリアテープ内に収納された電子部品に対して精度良く外観検査を行なうことができる外観検査トラックシステムを提供することを目的とする。 The present invention has been made in consideration of such points, and an object thereof is to provide an appearance inspection track system capable of performing an appearance inspection with high accuracy on an electronic component housed in a carrier tape. .
本発明は、電子部品を収納するキャリアテープを走行させるとともに、走行中のキャリアテープ内の電子部品の外観検査を行なう外観検査トラックシステムにおいて、キャリアテープを走行させる走行面を有する固定トラックと、固定トラックの一部に走行方向に沿って摺動自在に介在され、キャリアテープを走行させる走行面を有する可動トラックと、可動トラック近傍に位置するとともに、キャリアテープ内の電子部品の外観検査を行なう外観検査部とを備え、少なくとも可動トラックは電子部品の姿勢を安定させる第１永久磁石を含むことを特徴とする外観検査トラックシステムである。 The present invention relates to an appearance inspection track system for running an appearance inspection of an electronic component in a running carrier tape while running a carrier tape that houses an electronic component, and a fixed track having a running surface on which the carrier tape is run, A movable track having a running surface on which a carrier tape is run, which is slidably disposed along a running direction in a part of the track, and an appearance for inspecting the appearance of electronic components in the carrier tape while being located near the movable track. An appearance inspection track system including an inspection unit, wherein at least the movable track includes a first permanent magnet that stabilizes the posture of the electronic component.
本発明は、可動トラックの第１永久磁石は、互いに連接された多数の第１永久磁石片を有する長尺形状をもち、各第１永久磁石片は、第１永久磁石の一側にＮ極の磁極をもち、第１永久磁石の他側にＳ極の磁極をもつよう配置され、各第１永久磁石片のＮ極の磁極および各第１永久磁石片のＳ極の磁極は、可動トラックの走行面に平行に配置され、第１永久磁石の磁力線は走行方向に直交する方向を向いていることを特徴とする外観検査トラックシステムである。 In the present invention, the first permanent magnet of the movable track has a long shape having a number of first permanent magnet pieces connected to each other, and each first permanent magnet piece has N poles on one side of the first permanent magnet. Are arranged so as to have S poles on the other side of the first permanent magnet, and the N poles of each first permanent magnet piece and the S poles of each first permanent magnet piece are movable tracks. The appearance inspection track system is characterized in that the magnetic field lines of the first permanent magnet are oriented in a direction perpendicular to the traveling direction.
本発明は、少なくとも可動トラックは第１永久磁石と走行面との間に位置する第１磁力調整板を更に含むことを特徴とする外観検査トラックシステムである。 The present invention is the appearance inspection track system, wherein at least the movable track further includes a first magnetic force adjusting plate positioned between the first permanent magnet and the traveling surface.
本発明は、可動トラックは、第１永久磁石と第１磁力調整板を支持するとともに、固定トラックに対して走行方向に摺動する可動トラック本体を含むことを特徴とする外観検査トラックシステムである。 The present invention is an appearance inspection track system characterized in that the movable track includes a movable track body that supports the first permanent magnet and the first magnetic force adjusting plate and slides in the traveling direction with respect to the fixed track. .
本発明は、固定トラックは電子部品の姿勢を安定させる第２永久磁石を含むことを特徴とする外観検査トラックシステムである。 The present invention is the appearance inspection track system, wherein the fixed track includes a second permanent magnet that stabilizes the posture of the electronic component.
本発明は、固定トラックの第２永久磁石は、互いに連接された多数の第２永久磁石片を有する長尺形状をもち、各第２永久磁石片は第２永久磁石の一側にＮ極の磁極をもち、第２永久磁石の他側にＳ極の磁極をもつよう配置され、各第２永久磁石片のＮ極の磁極および各第２永久磁石片のＳ極の磁極は、固定トラックの走行面に平行に配置され、第２永久磁石の磁力線は走行方向に直交する方向を向いていることを特徴とする外観検査トラックシステムである。 In the present invention, the second permanent magnet of the fixed track has a long shape having a plurality of second permanent magnet pieces connected to each other, and each second permanent magnet piece has an N pole on one side of the second permanent magnet. It has a magnetic pole and is arranged to have an S pole on the other side of the second permanent magnet, and the N pole of each second permanent magnet piece and the S pole of each second permanent magnet piece are fixed tracks. The visual inspection track system is characterized in that the magnetic field lines of the second permanent magnets are arranged in parallel to the traveling surface and face a direction orthogonal to the traveling direction.
本発明は、固定トラックは第２永久磁石と走行面との間に位置する第２磁力調整板を更に含むことを特徴とする外観検査トラックシステムである。 The present invention is the appearance inspection track system, wherein the fixed track further includes a second magnetic force adjusting plate positioned between the second permanent magnet and the running surface.
以上説明したように本発明によれば、キャリアテープ内に収納された電子部品に対して外観検査部により精度良くかつ確実に外観検査を行なうことができる。 As described above, according to the present invention, it is possible to accurately and reliably perform an appearance inspection on an electronic component housed in a carrier tape by an appearance inspection unit.
以上、図面を参照して本発明の実施の形態について説明する。 The embodiments of the present invention have been described above with reference to the drawings.
図１乃至図６は本発明による外観検査トラックシステムの一実施の形態を示す図である。 1 to 6 are views showing an embodiment of an appearance inspection track system according to the present invention.
図１乃至図６に示すように、外観検査トラックシステムはチップ部品等の電子部品（ワーク）ｗを収納したキャリアテープ１５を走行させるとともに、走行中のキャリアテープ１５内のワークｗの外観検査を行なうものである。この場合、キャリアテープ１５は、ワークｗを収納するためのキャビティ１５ａを有している。：
外観検査トラックシステムにより外観検査されるワークｗとしては、図５に示すように例えば外部電極ｗａを有する０６０３とよばれるチップ部品が考えられる（長さｌ１：０．６ｍｍ、幅ｌ２及び厚さｌ３：０．３ｍｍ）。
As shown in FIG. 1 to FIG. 6, the appearance inspection track system runs a carrier tape 15 containing electronic parts (workpieces) w such as chip parts, and performs an appearance inspection of the work w in the running carrier tape 15. To do. In this case, the carrier tape 15 has a cavity 15a for storing the workpiece w. :
As a work w to be visually inspected by the appearance inspection track system, for example, a chip part called 0603 having an external electrode wa is conceivable as shown in FIG. 5 (length l 1 : 0.6 mm, width l 2 and thickness). L 3 : 0.3 mm).
外観検査トラックシステム１は、図１乃至図６に示すように、磁性体からなるガイド本体２からなり、ワークｗを収納したキャリアテープ１５を走行させる走行面３ａを有する固定トラック３と、ガイド本体２からなる固定トラック３の一部に介在された可動トラック４と、可動トラック４近傍、例えば上方に配置されキャリアテープ１５内のワークｗの外観検査を行なう外観検査部２０とを備えている。 As shown in FIGS. 1 to 6, the appearance inspection track system 1 includes a guide main body 2 made of a magnetic material, a fixed track 3 having a traveling surface 3a on which a carrier tape 15 containing a workpiece w travels, and a guide main body. 2, a movable track 4 interposed in a part of the fixed track 3, and an appearance inspection unit 20 that is disposed in the vicinity of the movable track 4, for example, above, and inspects the appearance of the workpiece w in the carrier tape 15.
このうち固定トラック３は上述のように、ガイド本体２からなるとともにキャリアテープ１５を走行させる走行面３ａを有している。また可動トラック４は上述のように、ガイド本体２からなる固定トラック３の一部に介在され磁性体からなる可動トラック本体４ａを有し、この可動トラック本体４ａはガイド本体２上においてキャリアテープ１５の走行方向に沿って摺動可能となっている。さらに可動トラック４の可動トラック本体４ａ表面に、キャリアテープ１５を走行させる走行面６が形成されている。 Among these, the fixed track 3 includes the guide body 2 and the running surface 3a on which the carrier tape 15 runs as described above. Further, as described above, the movable track 4 has the movable track body 4a made of a magnetic material interposed in a part of the fixed track 3 made of the guide body 2, and the movable track body 4a is on the guide body 2 with the carrier tape 15 It is possible to slide along the traveling direction. Further, a running surface 6 for running the carrier tape 15 is formed on the surface of the movable track body 4 a of the movable track 4.
また図２に示す可動トラック４の走行面６の下方および図６に示す固定トラック３の走行面３ａの下方には、埋設孔１１、１１ａが形成され、この埋設孔１１、１１ａ内にはキャリアテープ１５内の電子部品ｗの姿勢を安定させるため、キャリアテープ１５の走行方向に延びる長尺の永久磁石９、１９が配置されている。いずれの永久磁石９、１９も互いに連設され同極同士が接合された多数の永久磁石片９Ａ、１９Ａを有している。ここで永久磁石９は第１永久磁石９となり、永久磁石１９は第２永久磁石１９となる。さらに永久磁石片９Ａは第１永久磁石片９Ａとなり、永久磁石片１９Ａは第２永久磁石片１９Ａとなる。各永久磁石片９Ａ、１９Ａは、ワークｗが０６０３の電子部品の場合（長さ０．６ｍｍ、幅及び厚さ０．３ｍｍ）、その幅が１．６ｍｍとなっている。従って各永久磁石片９Ａ、１９Ａはいずれも永久磁石９、１９の一側がＮ極のとき、永久磁石９、１９の他側がＳ極となっており、各永久磁石片９ＡのＮ極の磁極およびＳ極の磁極はいずれも走行面６に平行に配置されている。また各永久磁石片１９ＡのＮ極の磁極およびＳ極の磁極はいずれも走行面３ａに平行に配置されている。このため、永久磁石９、１９全体としてキャリアテープ１５の走行方向に直交する方向の磁力線を有している。 Further, embedded holes 11 and 11a are formed below the traveling surface 6 of the movable track 4 shown in FIG. 2 and below the traveling surface 3a of the fixed track 3 shown in FIG. 6, and carriers are embedded in the embedded holes 11 and 11a. In order to stabilize the posture of the electronic component w in the tape 15, long permanent magnets 9 and 19 extending in the traveling direction of the carrier tape 15 are arranged. Each of the permanent magnets 9 and 19 has a large number of permanent magnet pieces 9A and 19A connected to each other and having the same poles joined together. Here, the permanent magnet 9 becomes the first permanent magnet 9, and the permanent magnet 19 becomes the second permanent magnet 19. Further, the permanent magnet piece 9A becomes the first permanent magnet piece 9A, and the permanent magnet piece 19A becomes the second permanent magnet piece 19A. When each of the permanent magnet pieces 9A and 19A is an electronic component having a work w of 0603 (length 0.6 mm, width and thickness 0.3 mm), the width is 1.6 mm. Accordingly, in each of the permanent magnet pieces 9A and 19A, when one side of the permanent magnets 9 and 19 is N-pole, the other side of the permanent magnets 9 and 19 is S-pole. All the S poles are arranged in parallel to the running surface 6. Further, the N-pole magnetic pole and the S-pole magnetic pole of each permanent magnet piece 19A are arranged in parallel to the running surface 3a. For this reason, the permanent magnets 9 and 19 as a whole have magnetic field lines in a direction perpendicular to the traveling direction of the carrier tape 15.
このように、可動トラック４の埋設孔１１内には長尺の永久磁石９が配置され、固定トラック３の埋設孔１１ａ内には永久磁石９と独立した長尺の永久磁石１９が配置されている。このうち固定トラック３の永久磁石１９は第２永久磁石となり、上述のように可動トラック４の第１永久磁石９と独立して配置されている。 As described above, the long permanent magnet 9 is disposed in the embedded hole 11 of the movable track 4, and the long permanent magnet 19 independent of the permanent magnet 9 is disposed in the embedded hole 11 a of the fixed track 3. Yes. Among these, the permanent magnet 19 of the fixed track 3 becomes the second permanent magnet, and is arranged independently of the first permanent magnet 9 of the movable track 4 as described above.
尚、固定トラック３と可動トラック４との間でワークｗがスムーズに移行するためには、上述のように第１永久磁石９の一側（例えば左側）がＮ極のとき、第２永久磁石１９の一側（左側）もＮ極となっていることが好ましい。 In order to smoothly move the workpiece w between the fixed track 3 and the movable track 4, when one side (for example, the left side) of the first permanent magnet 9 is N-pole as described above, the second permanent magnet is used. It is preferable that one side (left side) of 19 is also an N pole.
次に図２および図３により、ガイド本体２からなる固定トラック３に介在された可動トラック４について詳述する。図２に示すように、ガイド本体２はキャリアテープ１５の素材の厚さに合わせて表面から削設されキャリアテープ１５のガイド面５が形成されている。またガイド本体２および可動トラック４には、キャリアテープ１５の裏面から突出したキャビティ１５ａを受け入れるよう、キャビティ１５ａ底面から離間して十分な深度をもった底面７ａを有する凹部７が形成されている。 Next, the movable track 4 interposed in the fixed track 3 formed of the guide body 2 will be described in detail with reference to FIGS. As shown in FIG. 2, the guide body 2 is cut from the surface in accordance with the thickness of the material of the carrier tape 15 to form the guide surface 5 of the carrier tape 15. The guide body 2 and the movable track 4 are formed with a recess 7 having a bottom surface 7a that is spaced apart from the bottom surface of the cavity 15a and has a sufficient depth so as to receive the cavity 15a protruding from the back surface of the carrier tape 15.
可動トラック４には、凹部７の底面７ａから更に削設されて埋設孔１１が形成され、この埋設孔１１内にキャリアテープ１５の幅方向（キャリアテープ１５の走行方向に直交する方向）を磁力線の方向とする第１永久磁石９が埋設されている。第１永久磁石９の上面９ａと凹部７の底面７ａとの間には段差が設けられており、この第１永久磁石９の上面９ａと凹部７の底面７ａとの間に磁性材からなる可動トラック４側の第１磁力調整板８が嵌抜自在に嵌込まれている。 The movable track 4 is further cut from the bottom surface 7 a of the recess 7 to form a buried hole 11, and the width direction of the carrier tape 15 (direction perpendicular to the traveling direction of the carrier tape 15) is set in the buried hole 11. A first permanent magnet 9 is embedded in the direction. A step is provided between the upper surface 9 a of the first permanent magnet 9 and the bottom surface 7 a of the recess 7, and a movable material made of a magnetic material is provided between the upper surface 9 a of the first permanent magnet 9 and the bottom surface 7 a of the recess 7. A first magnetic force adjusting plate 8 on the track 4 side is fitted so as to be freely inserted and removed.
次に図６により、ガイド本体２からなる固定トラック３について詳述する。図６に示すように、ガイド本体２はキャリアテープ１５の素材の厚さに合わせて表面から削設されキャリアテープ１５のガイド面５が形成されている。また、ガイド本体２には、キャリアテープ１５の裏面から突出したキャビティ１５ａを受け入れるよう、キャビティ１５ａの底面から離間して十分な深度をもった底面７ａを有する凹部７が形成されている。 Next, the fixed track 3 including the guide body 2 will be described in detail with reference to FIG. As shown in FIG. 6, the guide body 2 is cut from the surface according to the thickness of the material of the carrier tape 15 to form the guide surface 5 of the carrier tape 15. Further, the guide body 2 is formed with a recess 7 having a bottom surface 7a that is spaced apart from the bottom surface of the cavity 15a and has a sufficient depth so as to receive the cavity 15a protruding from the back surface of the carrier tape 15.
固定トラック３には凹部７の底面７ａから更に削設されて埋設孔１１ａが形成され、この埋設孔１１ａ内にキャリアテープ１５の幅方向（キャリアテープ１５の走行方向に直交する方向）を磁力線の方向とする第２永久磁石１９が埋設されている。第２永久磁石１９の上面１９ａと凹部７の底面７ａとの間には段差が設けられており、この第２永久磁石１９の上面１９ａと凹部７の底面７ａとの間に磁性材からなる固定トラック３側の第２磁力調整板８ａが嵌抜自在に嵌込まれている。 The fixed track 3 is further cut from the bottom surface 7a of the recess 7 to form a buried hole 11a, and the width direction of the carrier tape 15 (the direction perpendicular to the traveling direction of the carrier tape 15) extends in the buried hole 11a. A second permanent magnet 19 having a direction is embedded. A step is provided between the upper surface 19 a of the second permanent magnet 19 and the bottom surface 7 a of the recess 7, and a fixing made of a magnetic material is provided between the upper surface 19 a of the second permanent magnet 19 and the bottom surface 7 a of the recess 7. A second magnetic force adjusting plate 8a on the track 3 side is fitted so as to be detachable.
次にこのような構成からなる本実施の形態の作用について説明する。図１乃至図６において、二点鎖線で示すキャリアテープ１５は、例えばエンボステープと呼ばれるキャビティ１５ａがテープ裏面側に突出したキャリアテープ１５であり、キャビティ１５ａ内にチップ型の電子部品であるワークｗが収納されている。そしてキャリアテープ１５は、図１に示す外観検査トラックシステム１において、固定トラック３の走行面３ａ上を走行する。次にキャリアテープ１５が、固定トラック３の走行面３ａと同一平面上にある可動トラック４の走行面６上を走行する際、可動トラック４の上方に設けられた外観検査部２０によりワークｗの外観検査が行なわれる。 Next, the operation of the present embodiment having such a configuration will be described. 1 to 6, a carrier tape 15 indicated by a two-dot chain line is, for example, a carrier tape 15 in which a cavity 15a called an embossed tape protrudes toward the back side of the tape, and a workpiece w which is a chip-type electronic component in the cavity 15a. Is stored. The carrier tape 15 travels on the travel surface 3a of the fixed track 3 in the appearance inspection track system 1 shown in FIG. Next, when the carrier tape 15 travels on the traveling surface 6 of the movable track 4 on the same plane as the traveling surface 3 a of the fixed track 3, the appearance inspection unit 20 provided above the movable track 4 causes the work w Appearance inspection is performed.
ところで、可動トラック４の可動トラック本体４ａは止めねじ１０が貫通する複数の調整孔１２を有し、この調整孔１２は、走行方向に対して調節可能に長孔に形成されている。このため可動トラック４を固定トラック３に対してキャリアテープ１５の走行方向に沿って自由に移動させ、次に止めねじ１０を締め付けて、可動トラック４を固定トラック３に固定することができる。このことによって外観検査部２０直下に位置する可動トラック４の第１永久磁石９を構成する第１永久磁石片９Ａの配置位置を適切に位置決めして、外観検査部２０直下において第２永久磁石片９ａからなる第２永久磁石９の最適位置決めを図り、ワークｗの姿勢を安定化することができる。 By the way, the movable track body 4a of the movable track 4 has a plurality of adjustment holes 12 through which the set screw 10 passes, and the adjustment holes 12 are formed as long holes so as to be adjustable in the traveling direction. Therefore, the movable track 4 can be freely moved along the traveling direction of the carrier tape 15 with respect to the fixed track 3, and then the set screw 10 can be tightened to fix the movable track 4 to the fixed track 3. As a result, the arrangement position of the first permanent magnet piece 9A constituting the first permanent magnet 9 of the movable track 4 positioned immediately below the appearance inspection unit 20 is appropriately positioned, and the second permanent magnet piece is positioned directly below the appearance inspection unit 20. The second permanent magnet 9 made of 9a can be optimally positioned and the posture of the workpiece w can be stabilized.
次に図３により、可動トラック４における第１磁力調整板８の作用について述べる。図３は埋設孔１１に埋設された第１永久磁石９と第１磁力調整板８の作用を説明するための図である。図３に示すように、第１永久磁石９のＮ極から発せられた磁力線φは、磁性体のガイド本体２および可動トラック本体４ａから空間或いはキャリアテープ１５を通過して第１永久磁石９のＳ極に戻る。このとき、キャリアテープ１５のキャビティ１５ａに図４に示すように底面に磁性体からなる外部電極ｗａを有するワークｗが存在すると、磁力線φは電極ｗａに集中して通過した後でＳ極に戻るため、それぞれの電極ｗａが磁極に吸引されてワークｗが永久磁石９と平行に配置される。 Next, the operation of the first magnetic force adjusting plate 8 in the movable track 4 will be described with reference to FIG. FIG. 3 is a view for explaining the operation of the first permanent magnet 9 and the first magnetic force adjusting plate 8 embedded in the embedded hole 11. As shown in FIG. 3, the magnetic lines of force φ generated from the north pole of the first permanent magnet 9 pass through the space or the carrier tape 15 from the magnetic guide body 2 and the movable track body 4 a of the first permanent magnet 9. Return to the S pole. At this time, if a work w having an external electrode wa made of a magnetic material is present on the bottom surface of the cavity 15a of the carrier tape 15 as shown in FIG. 4, the magnetic lines of force φ concentrate on the electrode wa and then return to the S pole. Therefore, each electrode wa is attracted to the magnetic pole, and the workpiece w is arranged in parallel with the permanent magnet 9.
ところで、長尺状の第１永久磁石９は多数の第１永久磁石片９Ａを長手方向に繋ぎ合せて形成されているため、第１永久磁石片９Ａの繋ぎ目において磁力線の乱れが生ずることも考えられる。 By the way, since the long first permanent magnet 9 is formed by joining a large number of first permanent magnet pieces 9A in the longitudinal direction, the magnetic field lines may be disturbed at the joint of the first permanent magnet pieces 9A. Conceivable.
本発明によれば、図３に示すように、第１永久磁石９はガイド本体２と可動トラック本体４ａとでコの字状に囲まれると共に、第１永久磁石９の上面９ａと凹部の底面７ａとの間に形成された段差に第１磁力調整板８が嵌込まれているので、第１永久磁石９から生じる磁力線φの一部はバイパス磁力線φ１として磁性体の第１磁力調整板８を集中して通過するようになる。また磁力線φのエネルギーの一部が磁性体の第１磁力調整板８内の磁化の方向を整えるため使われるので、一極側から見たそれぞれの第１永久磁石片９Ａからの磁力線は図４に示すように第１磁力調整板８のある側は更に磁力が均一化される。 According to the present invention, as shown in FIG. 3, the first permanent magnet 9 is surrounded by a U-shape by the guide body 2 and the movable track body 4a, and the upper surface 9a of the first permanent magnet 9 and the bottom surface of the recess. since the first magnetic force adjustment plate 8 in step formed between the 7a are incorporated fitted, first magnetic force adjustment plate of the magnetic part of the magnetic field lines phi originating from the first permanent magnet 9 as a bypass magnetic lines phi 1 Pass through 8 in a concentrated manner. Further, since a part of the energy of the magnetic lines of force φ is used for adjusting the direction of magnetization in the first magnetic force adjusting plate 8 made of a magnetic material, the magnetic lines of force from the first permanent magnet pieces 9A viewed from one pole side are shown in FIG. As shown, the magnetic force is further uniformized on the side where the first magnetic force adjusting plate 8 is present.
このように第１磁力調整板８を用いると磁力線φの一部がバイパス磁力線φ１となり、さらに外に出る（漏れ）磁力線φ２が、第１磁力調整板８が無いときに比べ少なくなり（例えば数％）均一化される。このように外に出る磁力線φ２の数が少なくなる分、ワークｗを吸引する磁力も低下することも考えられるが、磁力の調整をバイパスする磁力線φ１の量で行うように第１磁力調整板８の厚さを調整することによって、外に出る磁力線φ２の量を最適な状態に調整することができる。 When the first magnetic force adjusting plate 8 is used in this manner, a part of the magnetic force lines φ becomes the bypass magnetic force lines φ 1 , and the magnetic field lines φ 2 that go outside (leakage) are smaller than when there is no first magnetic force adjusting plate 8 ( For example, several percent). Thus amount that the number of magnetic lines phi 2 to go out is reduced, it is considered that the magnetic force for attracting the workpiece w is also lowered, the first magnetic force adjusted so as to perform in an amount of magnetic field lines phi 1 to bypass the adjustment of magnetic force by adjusting the thickness of the plate 8, it is possible to adjust the amount of magnetic force lines phi 2 to go out to the optimum state.
このように本実施の形態によれば、第１永久磁石９から生じる磁力線φの一部を磁力調整板８でバイパスさせることにより、第１永久磁石片９ａの繋ぎ目で乱れる可能性のある磁力線φを平滑させることができ、キャビティ１５ａ内のワークｗの姿勢をより安定化させることができる。 As described above, according to the present embodiment, a part of the magnetic force lines φ generated from the first permanent magnet 9 is bypassed by the magnetic force adjusting plate 8 so that the magnetic force lines that may be disturbed at the joint of the first permanent magnet pieces 9a. φ can be smoothed, and the posture of the workpiece w in the cavity 15a can be further stabilized.
さらに固定トラック３においても図６に示すように第２磁力調整板８ａが設けられているが、この固定トラック３の第２磁力調整板８ａの作用効果も可動トラック４の第１磁力調整板８の作用効果と同様である。 Further, as shown in FIG. 6, the fixed magnetic track 3 is also provided with the second magnetic force adjusting plate 8 a, and the effect of the second magnetic force adjusting plate 8 a of the fixed track 3 is also the first magnetic force adjusting plate 8 of the movable track 4. This is the same as the operational effect.
次に外観検査トラックシステム１の比較例として、ガイド本体２からなる固定トラック３と、固定トラック３上に配置された外観検査部２０とを備え、可動トラックを含まない外観検査トラックシステム１を示す（図７および図８）。ここで図７は外観検査トラックシステムの断面図であり、図８は比較例による永久磁石の一極方向から見た磁力線を示す図である。 Next, as a comparative example of the appearance inspection track system 1, an appearance inspection track system 1 including a fixed track 3 including a guide body 2 and an appearance inspection unit 20 disposed on the fixed track 3 and including no movable track is shown. (FIGS. 7 and 8). Here, FIG. 7 is a sectional view of the appearance inspection track system, and FIG. 8 is a diagram showing lines of magnetic force viewed from one pole direction of the permanent magnet according to the comparative example.
図７および図８において、従来の外観検査トラックシステムは磁力調整板を含んでいない。 7 and 8, the conventional visual inspection track system does not include a magnetic force adjusting plate.
図７および図８に示すように、永久磁石１９の個々の永久磁石片１９Ａの磁束密度に差異があると、永久磁石片１９Ａの上面側は、永久磁石片１９Ａの接続部において磁力の乱れが発生する。このとき図５（ａ）（ｂ）に示すように下面に磁性材からなる電極ｗａを有するワークｗがこの部分を通過すると、キャビティ１５ａ内のワークｗに飛び上がりや回転運動或いは横転が発生するなどして、ワークｗの姿勢は不安定となる。 As shown in FIGS. 7 and 8, when there is a difference in magnetic flux density between the individual permanent magnet pieces 19A of the permanent magnet 19, the upper surface side of the permanent magnet pieces 19A is disturbed in the magnetic force at the connection portion of the permanent magnet pieces 19A. appear. At this time, as shown in FIGS. 5 (a) and 5 (b), when the workpiece w having the electrode wa made of a magnetic material on the lower surface passes through this portion, the workpiece w in the cavity 15a jumps up, rotates, or rolls over. Thus, the posture of the work w becomes unstable.
この理由は、永久磁石１９の下面側において、永久磁石１９はガイド本体２の磁性体により囲まれているため、図７に示すように永久磁石１９の磁力線φは永久磁石１９の下部に高密度に集中するが、磁性体の無い永久磁石１９の上面側において、磁力線φの拡散（広がり）が大きいからである。 The reason is that, on the lower surface side of the permanent magnet 19, the permanent magnet 19 is surrounded by the magnetic body of the guide body 2, so that the magnetic lines of force φ of the permanent magnet 19 are high density below the permanent magnet 19 as shown in FIG. 7. This is because the diffusion (spreading) of the lines of magnetic force φ is large on the upper surface side of the permanent magnet 19 having no magnetic material.
このため図７および図８に示す比較例においては、ワークｗの姿勢が乱れて、外観検査部２０により精度良くワークｗの外観を検査することができない。ただし、搬送だけの場所では極端な飛び上り等が無ければ磁力調整板が不要なことも有る。 For this reason, in the comparative example shown in FIGS. 7 and 8, the posture of the workpiece w is disturbed, and the appearance inspection unit 20 cannot accurately inspect the appearance of the workpiece w. However, the magnetic force adjusting plate may be unnecessary if there is no extreme jump or the like in a place where only the conveyance is performed.
これに対して本願発明によれば、上述のように固定トラック３の一部に可動トラック４を介在させるとともに、可動トラック４に第１磁力調整板８を設け、かつ固定トラック３に第２磁力調整板８ａを設けたので、ワークｗの姿勢が乱れることはなく、外観検査部２０により精度良くワークｗの外観を検査することができる。 On the other hand, according to the present invention, the movable track 4 is interposed in a part of the fixed track 3 as described above, the first magnetic force adjusting plate 8 is provided on the movable track 4, and the second magnetic force is applied to the fixed track 3. Since the adjustment plate 8a is provided, the posture of the workpiece w is not disturbed, and the appearance inspection unit 20 can inspect the appearance of the workpiece w with high accuracy.
なお、第１磁力調整板８は、厚さを調整した後に第１永久磁石９の上面に貼り付けられているが、貼付固定方法としては、第１永久磁石９の磁力により吸着してもよく、接着剤を用いて貼付固定してもよい。 The first magnetic force adjusting plate 8 is attached to the upper surface of the first permanent magnet 9 after adjusting the thickness. However, as a sticking and fixing method, the first magnetic adjusting plate 8 may be attracted by the magnetic force of the first permanent magnet 9. Alternatively, it may be stuck and fixed using an adhesive.
さらにキャリアテープ１５として、エンボスキャリアテープを用いて説明したが、キャリアテープ１５として底面の平らな貫通孔タイプ、或いはプレスタイプなどのキャリアテープを用いてもよい。 Furthermore, although the embossed carrier tape has been described as the carrier tape 15, a carrier tape such as a through-hole type with a flat bottom surface or a press type may be used as the carrier tape 15.
以上は、ワークｗの配置方法を水平設置として説明して来たが、ワークｗによっては傾斜設置、垂直設置に用いることも可能である。 In the above, the arrangement method of the workpiece w has been described as horizontal installation, but depending on the workpiece w, it can be used for inclined installation and vertical installation.
さらに永久磁石９、１９及び磁力調整板８、８ａの設置は、固定トラック３可動トラック４共に記載したが、固定トラック３では状況により不要な場合が有るので、少くとも可動トラック４に第１永久磁石９および第１磁力調整板８を設けることが必要である。 Further, the installation of the permanent magnets 9 and 19 and the magnetic force adjusting plates 8 and 8a is described for both the fixed track 3 and the movable track 4. However, the fixed track 3 may not be necessary depending on the situation. It is necessary to provide the magnet 9 and the first magnetic force adjusting plate 8.
１ 外観検査トラックシステム
２ ガイド本体
３ 固定トラック
３ａ 走行面
４ 可動トラック
５ ガイド面
６ 走行面
７ 凹部
７ａ 底面
８ 第１磁力調整板
８ａ 第２磁力調整板
９ 第１永久磁石
９Ａ 第１永久磁石片
９ａ 上面
１１ 埋設孔
１１ａ 埋設孔
１５ キャリアテープ
１５ａ キャビティ
１９ 第２永久磁石
１９Ａ 第２永久磁石片
１９ａ 上面
２０ 外観検査部
ｗ ワーク
DESCRIPTION OF SYMBOLS 1 Appearance inspection track system 2 Guide main body 3 Fixed track 3a Running surface 4 Movable track 5 Guide surface 6 Running surface 7 Recess 7a Bottom surface 8 First magnetic force adjusting plate 8a Second magnetic force adjusting plate 9 First permanent magnet 9A First permanent magnet piece 9a Upper surface 11 Embedded hole 11a Embedded hole 15 Carrier tape 15a Cavity 19 Second permanent magnet 19A Second permanent magnet piece 19a Upper surface 20 Appearance inspection part w Workpiece
Claims (3)
キャリアテープを走行させる走行面を有する固定トラックと、
固定トラックの一部に走行方向に沿って摺動自在に介在され、キャリアテープを走行させる走行面を有する可動トラックと、
可動トラック近傍に位置するとともに、キャリアテープ内の電子部品の外観検査を行なう外観検査部とを備え、
可動トラックは電子部品の姿勢を安定させる第１永久磁石を含み、
可動トラックの第１永久磁石は、互いに連接された多数の第１永久磁石片を有する長尺形状をもち、各第１永久磁石片は、第１永久磁石の一側にＮ極の磁極をもち、第１永久磁石の他側にＳ極の磁極をもつよう配置され、各第１永久磁石片のＮ極の磁極および各第１永久磁石片のＳ極の磁極は、可動トラックの走行面に平行に配置され、第１永久磁石の磁力線は走行方向に直交する方向を向いており、
可動トラックは第１永久磁石と走行面との間に位置する第１磁力調整板を更に含むことを特徴とする外観検査トラックシステム。 In the appearance inspection track system for running the carrier tape for storing the electronic components and performing the appearance inspection of the electronic components in the running carrier tape,
A fixed track having a running surface for running the carrier tape;
A movable track having a running surface that is slidably disposed along a running direction in a part of the fixed track and runs the carrier tape;
It is located in the vicinity of the movable track, and has an appearance inspection section that performs an appearance inspection of electronic components in the carrier tape,
Yes dynamic track is seen including a first permanent magnet to stabilize the posture of the electronic component,
The first permanent magnet of the movable track has an elongated shape having a number of first permanent magnet pieces connected to each other, and each first permanent magnet piece has an N-pole magnetic pole on one side of the first permanent magnet. The other side of the first permanent magnet is arranged to have an S pole, and the N pole of each first permanent magnet piece and the S pole of each first permanent magnet piece are on the traveling surface of the movable track. Arranged in parallel, the magnetic field lines of the first permanent magnet are oriented in a direction perpendicular to the traveling direction,
The movable inspection track further includes a first magnetic force adjusting plate located between the first permanent magnet and the running surface.
キャリアテープを走行させる走行面を有する固定トラックと、
固定トラックの一部に走行方向に沿って摺動自在に介在され、キャリアテープを走行させる走行面を有する可動トラックと、
可動トラック近傍に位置するとともに、キャリアテープ内の電子部品の外観検査を行なう外観検査部とを備え、
可動トラックは電子部品の姿勢を安定させる第１永久磁石を含み、
固定トラックは電子部品の姿勢を安定させる第２永久磁石を含み、
固定トラックの第２永久磁石は、互いに連接された多数の第２永久磁石片を有する長尺形状をもち、各第２永久磁石片は第２永久磁石の一側にＮ極の磁極をもち、第２永久磁石の他側にＳ極の磁極をもつよう配置され、各第２永久磁石片のＮ極の磁極および各第２永久磁石片のＳ極の磁極は、固定トラックの走行面に平行に配置され、第２永久磁石の磁力線は走行方向に直交する方向を向いており、
固定トラックは第２永久磁石と走行面との間に位置する第２磁力調整板を更に含むことを特徴とする外観検査トラックシステム。 In the appearance inspection track system for running the carrier tape for storing the electronic components and performing the appearance inspection of the electronic components in the running carrier tape,
A fixed track having a running surface for running the carrier tape;
A movable track having a running surface that is slidably disposed along a running direction in a part of the fixed track and runs the carrier tape;
It is located in the vicinity of the movable track, and has an appearance inspection section that performs an appearance inspection of electronic components in the carrier tape,
The movable track includes a first permanent magnet that stabilizes the posture of the electronic component,
Fixed tracks seen including a second permanent magnet to stabilize the posture of the electronic component,
The second permanent magnet of the fixed track has a long shape having a number of second permanent magnet pieces connected to each other, and each second permanent magnet piece has an N-pole magnetic pole on one side of the second permanent magnet, The other side of the second permanent magnet is arranged to have an S pole, and the N pole of each second permanent magnet piece and the S pole of each second permanent magnet piece are parallel to the traveling surface of the fixed track. The magnetic field lines of the second permanent magnet are oriented in a direction perpendicular to the traveling direction,
The fixed inspection track further includes a second magnetic force adjusting plate positioned between the second permanent magnet and the running surface.
Priority Applications (1)
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| CN111386756A (en) * | 2017-12-26 | 2020-07-07 | 株式会社富士 | Belt feeder |
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| JP6764019B2 (en) * | 2017-03-22 | 2020-09-30 | 株式会社Ｆｕｊｉ | Tape feeder |
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| JPH1072010A (en) * | 1996-06-24 | 1998-03-17 | Seiwa Sangyo Kk | Method and device for taping electronic parts |
| JP2005132403A (en) * | 2003-10-29 | 2005-05-26 | Tokyo Weld Co Ltd | Method for inspecting defect of packaging and apparatus for inspecting defect of packaging |
| JP4530842B2 (en) * | 2004-12-27 | 2010-08-25 | 株式会社日立ハイテクインスツルメンツ | Parts supply device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111386756A (en) * | 2017-12-26 | 2020-07-07 | 株式会社富士 | Belt feeder |
| CN111386756B (en) * | 2017-12-26 | 2021-09-03 | 株式会社富士 | Belt feeder |
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