JP6898766B2 - Parts supply equipment - Google Patents

Parts supply equipment Download PDF

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JP6898766B2
JP6898766B2 JP2017084832A JP2017084832A JP6898766B2 JP 6898766 B2 JP6898766 B2 JP 6898766B2 JP 2017084832 A JP2017084832 A JP 2017084832A JP 2017084832 A JP2017084832 A JP 2017084832A JP 6898766 B2 JP6898766 B2 JP 6898766B2
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rod
shaped part
head
supply device
inspection
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JP2018177518A (en
JP2018177518A5 (en
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常之 四方
常之 四方
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Nitto Seiko Co Ltd
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Nitto Seiko Co Ltd
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Description

本発明は、頭付き棒状部品の全長を検査し次工程へ供給する部品供給装置に関する。 The present invention relates to a component supply device that inspects the entire length of a rod-shaped component with a head and supplies it to the next process.

従来の部品供給装置は、特許文献1に開示されており、検査対象である頭付き棒状部品の一例のリベットを吊下して振動させて順次搬送する移送路と、この移送路の下流側に配置され当該移送路に吊下された状態のリベットにレーザ光を照射可能な一対の光電センサと、この光電センサの出力信号に基づいて前記リベットの長さの良否を判定する制御部とを備える。 The conventional parts supply device is disclosed in Patent Document 1, and includes a transfer path in which a rivet of an example of a rod-shaped component with a head to be inspected is suspended and vibrated to be sequentially conveyed, and a transfer path downstream of the transfer path. It is provided with a pair of photoelectric sensors capable of irradiating a rivet arranged and suspended in the transfer path with a laser beam, and a control unit for determining the quality of the rivet length based on the output signal of the photoelectric sensor. ..

前記光電センサは、前記移送路の延びる方向に対して直交する方向へ前記レーザ光を照射するよう配置され、当該レーザ光は、前記リベットの軸方向へ延びるような帯状を成す。また、前記光電センサは、検査対象となるリベットを挟むように対向配置されており、当該リベットの先端に前記レーザ光を照射する高さに配置されている。さらに、前記光電センサは、その一方が前記レーザ光を照射して成り、他方が当該レーザ光を受け取るように構成されており、この受け取ったレーザ光の受光量に応じた電圧値を前記制御部へ出力するよう構成されている。 The photoelectric sensor is arranged to irradiate the laser beam in a direction orthogonal to the extending direction of the transfer path, and the laser beam forms a band shape extending in the axial direction of the rivet. Further, the photoelectric sensors are arranged so as to sandwich the rivet to be inspected, and are arranged at a height at which the tip of the rivet is irradiated with the laser beam. Further, the photoelectric sensor is configured such that one of the photoelectric sensors irradiates the laser beam and the other receives the laser beam, and the control unit sets a voltage value according to the received amount of the received laser beam. It is configured to output to.

このように構成された従来の部品供給装置は、一方の光電センサから照射されたレーザ光がリベットに遮られ、この遮られたレーザ光を他方の光電センサによって受光しているので、前記制御部は、受光した受光量からリベットの脚部長さが正規か否か判断することができる。 In the conventional component supply device configured in this way, the laser beam emitted from one photoelectric sensor is blocked by the rivet, and the blocked laser beam is received by the other photoelectric sensor. Can determine whether or not the leg length of the rivet is normal from the amount of received light received.

特開2000-95328号公報Japanese Unexamined Patent Publication No. 2000-95328

しかしながら、従来の部品供給装置は、リベットの脚部長さを前記光電センサから発せられる受光量に基づいて良否判定しているので、粉塵の多い環境であると照射するレーザ光が粉塵に遮られたり、あるいは、当該粉塵がレーザ光を発する照射面やこれを受光する受光面に付着し易い。したがって、粉塵などが舞うような環境では脚部長さを正確に検査できないという問題があった。 However, in the conventional parts supply device, the leg length of the rivet is judged as good or bad based on the amount of light received from the photoelectric sensor, so that the laser beam irradiating in a dusty environment may be blocked by the dust. Alternatively, the dust easily adheres to the irradiation surface that emits the laser beam or the light receiving surface that receives the laser beam. Therefore, there is a problem that the leg length cannot be accurately inspected in an environment where dust or the like flies.

また、従来の部品供給装置は、リベットの頭部を吊下げた状態として当該リベットの脚部先端にレーザ光を照射し検査しているので、リベットの脚部長さしか検査することができず、頭部を含む全長については検査できないという問題もあった。これにより、例えば、検査する2つのリベットが、それぞれ異なる頭部高さと同一の脚部長さであれば、従来の部品供給装置は、これら2つのリベットの頭高さ違いを判定できなかった。 Further, in the conventional parts supply device, since the rivet head is hung and the tip of the rivet leg is irradiated with a laser beam for inspection, only the leg length of the rivet can be inspected. There was also a problem that the total length including the head could not be inspected. As a result, for example, if the two rivets to be inspected have different head heights and the same leg length, the conventional component supply device cannot determine the difference in head height between the two rivets.

本発明は上記課題に鑑みて創成されたものであり、頭付き棒状部品を吊下支持する吊下部材と、この吊下部材に吊下された頭付き棒状部品を下方から上方へ突き上げる突き上げ手段と、前記吊下部材の上方に固定され突き上げ手段により突き上げられた頭付き棒状部品を所定高さ以上突き上げられないように規制するバックアップ部材と、このバックアップ部材に規制された当該頭付き棒状部品の全長に相当の寸法を計測して出力する計測手段と、この計測手段の計測値および予め設定した設定値を比較して前記頭付き棒状部品の全長を良否判定する制御手段とを備え、前記計測手段は、常時は前記頭付き棒状部品を突き上げる方向へ突出し下方へ摺動する接触式センサであり、前記突き上げ手段に取り付けられていることを特徴とする。なお、前記吊下部材は、前工程から供給される頭付き棒状部品を案内して受け取るU字溝を備え、前工程から頭付き棒状部品を受け取る受取位置と、前記U字溝に吊下した頭付き棒状部品を前記計測手段により計測する検査位置と、これら受取位置と検査位置とを順に通過した後に前記U字溝から当該頭付き棒状部品の吊下状態を解き下方へ滑落させて排出する排出位置とへ順に摺動移動するスライドブロックとともに水平方向へ移動するよう構成されて成ることが好ましい。また、前記突き上げ手段は、前記検査位置に位置する頭付き棒状部品の脚部先端に当接し当該脚部外周をガイドする検査ロッドを備えて成り、当該頭付き棒状部品を前記バックアップ部材および検査ロッドにより軸方向へ押圧し前記計測手段によって計測するよう構成することが好ましい。 The present invention has been created in view of the above problems, and is a hanging member that suspends and supports a rod-shaped part with a head, and a pushing means for pushing up the rod-shaped part with a head suspended from the suspension member from below to above. And a backup member that regulates the headed rod-shaped part fixed above the hanging member and pushed up by the pushing means so as not to be pushed up by a predetermined height or more, and the headed rod-shaped part regulated by the backup member. The measurement means is provided with a measuring means for measuring and outputting a dimension corresponding to the total length, and a control means for comparing the measured value of the measuring means and a preset set value to determine the quality of the total length of the headed rod-shaped part. The means is a contact-type sensor that always projects in a direction of pushing up the rod-shaped part with a head and slides downward, and is characterized in that it is attached to the pushing-up means. The hanging member is provided with a U-shaped groove for guiding and receiving the headed rod-shaped part supplied from the previous process, and is suspended in the receiving position for receiving the headed rod-shaped part from the previous process and the U-shaped groove. After passing through the inspection position where the headed rod-shaped part is measured by the measuring means and the receiving position and the inspection position in order, the suspended state of the headed rod-shaped part is released from the U-shaped groove and slid downward to be discharged. It is preferable that it is configured to move in the horizontal direction together with the slide block that slides and moves to the discharge position in order. Further, the pushing-up means includes an inspection rod that comes into contact with the tip of the leg of the headed rod-shaped part located at the inspection position and guides the outer circumference of the leg, and the headed rod-shaped part is provided with the backup member and the inspection rod. It is preferable that the rod is pressed in the axial direction and measured by the measuring means.

本発明の部品供給装置は、計測対象となる頭付き棒状部品の頭部を含んだ全長を測定しこの測定結果に基づき良否判定できるので、従来のように頭部高さが異なるような異品の検出が可能になるという利点がある。また、本発明の部品供給装置は、前記計測手段を接触式センサにしているため、粉塵などが舞うような環境であっても当該計測手段が正常に作動しないようなことが発生し難いという利点もある。さらに、本発明の部品供給装置は、前記吊下部材から前記頭付き棒状部品を上方へ切り離して計測できるので、例えば、吊下部材の振動などによる影響を受けることがないという利点もある。また、本発明の部品供給装置は、計測する頭付き棒状部品の脚部を嵌め込み上方へ押し上げる昇降ブロックを備えるので、脚部の外周が所定角度以上に傾くことを規制できる。これにより、高精度な測定が行えるという利点もある。 Since the component supply device of the present invention measures the total length including the head of the rod-shaped component with a head to be measured and can judge the quality based on the measurement result, it is a different product having a different head height as in the conventional case. Has the advantage of being able to detect. Further, since the parts supply device of the present invention uses the measuring means as a contact type sensor, there is an advantage that it is unlikely that the measuring means does not operate normally even in an environment where dust or the like flies. There is also. Further, the component supply device of the present invention has an advantage that it is not affected by vibration of the suspension member, for example, because the rod-shaped component with a head can be separated upward from the suspension member for measurement. Further, since the component supply device of the present invention includes an elevating block for fitting the leg portion of the rod-shaped component with a head to be measured and pushing it upward, it is possible to regulate that the outer circumference of the leg portion is tilted by a predetermined angle or more. This also has the advantage of being able to perform highly accurate measurements.

本発明に係る部品供給装置の一実施形態の概略説明図である。(a)は内部状態を示す説明図であり(b)は、(a)の要部A−A線断面説明図である。It is the schematic explanatory drawing of one Embodiment of the parts supply apparatus which concerns on this invention. (A) is an explanatory view showing an internal state, and (b) is a cross-sectional explanatory view of a main part AA of (a). 図1の状態から次の状態へ移行する動作を説明するための概略説明図である。(a)は内部状態を示す説明図であり、(b)は(a)の要部A−A線断面説明図である。It is explanatory drawing for demonstrating the operation which shifts from the state of FIG. 1 to the next state. (A) is an explanatory view showing an internal state, and (b) is a cross-sectional explanatory view of a main part AA of (a). 図2の状態から次の状態へ移行する動作を説明するための概略説明図である。(a)は内部状態を示す説明図であり、(b)は(a)の要部A−A線断面説明図である。It is explanatory drawing for demonstrating the operation which shifts from the state of FIG. 2 to the next state. (A) is an explanatory view showing an internal state, and (b) is a cross-sectional explanatory view of a main part AA of (a). 図3の状態から次の状態へ移行する動作を説明するための概略説明図である。(a)は内部状態を示す説明図であり、(b)は(a)の要部A−A線断面説明図である。It is explanatory drawing for demonstrating the operation which shifts from the state of FIG. 3 to the next state. (A) is an explanatory view showing an internal state, and (b) is a cross-sectional explanatory view of a main part AA of (a).

本発明に係る部品供給装置の一実施形態を図1ないし図4に基づき説明する。本発明の部品供給装置1は、上流から下流へ向かって振動搬送される頭付き棒状部品の一例であるねじNを受け取り可能な吊下部材5と、この吊下部材5を前記ねじNの搬送方向に対し直交方向へ移動可能な直動駆動ユニット10と、直交方向へ移動する吊下部材5から高さ方向に所定の隙間を空けて平行に配置されたバックアップ部材20と、前記吊下部材5に吊下され直交方向へ移動したねじNを下方から上方へ突き上げて当該ねじNの頭部を前記バックアップ部材20の下面へ押し当てる突き上げ手段30と、この突き上げ手段30に固定され下方へ撓み当該撓み量を計測して外部出力する計測手段35と、この計測手段35の計測値を入力して予め設定した設定値と比較し前記ねじNの全長の良否を判定する制御手段50とを備える。 An embodiment of the parts supply device according to the present invention will be described with reference to FIGS. 1 to 4. The component supply device 1 of the present invention has a suspending member 5 capable of receiving a screw N, which is an example of a rod-shaped component with a head that is vibrated and transported from upstream to downstream, and the suspending member 5 is transported by the screw N. A linear drive unit 10 that can move in a direction orthogonal to the direction, a backup member 20 that is arranged in parallel with a predetermined gap in the height direction from a hanging member 5 that moves in the orthogonal direction, and the hanging member. A push-up means 30 that pushes up a screw N suspended from 5 and moved in the orthogonal direction from below to above and presses the head of the screw N against the lower surface of the backup member 20, and a push-up means 30 that is fixed to the push-up means 30 and bends downward. It includes a measuring means 35 that measures the amount of deflection and outputs it to the outside, and a control means 50 that inputs the measured value of the measuring means 35 and compares it with a preset value to determine the quality of the total length of the screw N. ..

前記吊下部材5は、前記上流に位置し振動する2本の振動レールLから順次前記ねじNを受け取るよう構成され、前記ねじNの頭部径よりも大きな幅に設定された板状を成す。また、吊下部材5は、その先端部に前記ねじNを遊嵌自在に吊下し前方から案内するU字溝を備え、その後端部の下面から下方へ突出する円柱状のガイド軸を備える。さらに、前記吊下部材5は、後記フレームFの内部に位置するよう配置されている。 The hanging member 5 is configured to sequentially receive the screw N from two vibrating rails L located upstream and vibrate, and forms a plate shape set to a width larger than the head diameter of the screw N. .. Further, the hanging member 5 is provided with a U-shaped groove at the tip thereof that freely suspends the screw N and guides the screw N from the front, and is provided with a columnar guide shaft protruding downward from the lower surface of the rear end portion. .. Further, the hanging member 5 is arranged so as to be located inside the frame F described later.

前記フレームFは、前記振動レールLの先端部を一部侵入させて配置可能に構成され、かつ前記振動レールLに対して直交方向へ延びる多段の切欠部を備えて成る。また、前記フレームFは、前記切欠部の高段F1の上面に前記吊下部材5の前記ガイド軸に係合する係合溝Faを備えて成り、前記吊下部材5をこの係合溝Faに沿わせることで直交方向へ移動させつつねじNの搬送方向へも同時に移動可能に構成される。一方、前記切欠部の低段F2には、前記ねじNを下方へ滑落可能な滑落穴Fd1と、この滑落穴Fd1と平行に設けられた後記検査ロッド33を挿通可能な検査穴Fd2とが配設されている。 The frame F is configured so that the tip end portion of the vibration rail L can be partially inserted and arranged, and is provided with a multi-stage notch extending in a direction orthogonal to the vibration rail L. Further, the frame F is provided with an engaging groove Fa that engages with the guide shaft of the hanging member 5 on the upper surface of the high step F1 of the cutout portion, and the hanging member 5 is formed by the engaging groove Fa. By following the above, the screw N can be moved in the orthogonal direction and at the same time in the transport direction of the screw N. On the other hand, in the lower step F2 of the notch portion, a sliding hole Fd1 capable of sliding the screw N downward and an inspection hole Fd2 through which the inspection rod 33 provided in parallel with the sliding hole Fd1 can be inserted are arranged. It is installed.

前記直動駆動ユニット10は、前記フレームFの両端に対向するよう配されたシリンダ15a,15bと、前記フレームFの前記低段F2に配され摺動自在なスライドブロック11と、このスライドブロック11に固定され前記吊下部材5および前記係合溝Faを覆うよう配された摺動蓋12とから構成される。また、前記シリンダ15aは、前記スライドブロック11の一端に常時接続されており、当該スライドブロック11を前記直交方向へ移動可能に構成されている。 The linear drive unit 10 includes cylinders 15a and 15b arranged so as to face both ends of the frame F, a slide block 11 arranged on the lower stage F2 of the frame F and slidable, and the slide block 11. It is composed of a hanging member 5 and a sliding lid 12 arranged so as to cover the engaging groove Fa. Further, the cylinder 15a is always connected to one end of the slide block 11, and the slide block 11 is configured to be movable in the orthogonal direction.

前記スライドブロック11は、その上面に前記吊下部材5を配置して成り、その高さ方向へ貫通する貫通切欠穴11aを備えて成る。この連通切欠穴11aは、図4(a)および図4(b)に示すように、スライドブロック11の端面を一部切欠く穴形状であり、その切欠きの幅が前記ねじNの脚部直径よりも若干大きな寸法となるよう設定される一方、その穴径がねじNを下方へ滑落させて通過可能な寸法に設定されている。 The slide block 11 is formed by arranging the hanging member 5 on the upper surface thereof, and is provided with a through notch hole 11a penetrating in the height direction thereof. As shown in FIGS. 4A and 4B, the communication notch hole 11a has a hole shape that partially cuts out the end face of the slide block 11, and the width of the notch is the leg portion of the screw N. While the size is set to be slightly larger than the diameter, the hole diameter is set to a size that allows the screw N to slide downward and pass through.

前記摺動蓋12は、前記係合溝Faに沿って前記搬送方向へ移動する前記吊下部材5をガイドするガイド溝を備えて成り、この取付面を成す前記スライドブロック11の高段F1と摺動蓋12の下面とがほぼ同一高さとなるように寸法設定されている。 The sliding lid 12 includes a guide groove that guides the hanging member 5 that moves in the transport direction along the engaging groove Fa, and has a high step F1 of the slide block 11 that forms the mounting surface. The dimensions are set so that the lower surface of the sliding lid 12 is substantially the same height.

また、前記シリンダ15aとシリンダ15bとは、異なるシリンダ径に設定されており、前記シリンダ15aのシリンダ径は、前記シリンダ15bよりも小径に設定されている。したがって、前記シリンダ15aおよびシリンダ15bが作動していなければ、前記スライドブロック11は、図1(a),(b)に示すように最も右側に位置し前記吊下部材5の前記U字溝で前記振動レールLからねじNを受け取る受取位置に位置する。また、前記シリンダ15aとシリンダ15bとが作動すると、前記スライドブロック11は、図2(a),(b)または図3(a),(b)に示すように大径のシリンダ径である前記シリンダ15bに押され前記貫通切欠穴11aと前記検査穴Fd2とが連通する検査位置に位置する。さらに、前記シリンダ15aのみが作動すると、前記スライドブロック11は、図4(a),(b)に示すように最も左側へ寄せられて前記貫通切欠穴11aと前記滑落穴Fd1とが連通する排出位置に位置する。つまり、シリンダ15a,15bの作動によってスライドブロック11が前記受取位置、検査位置、排出位置の何れかに位置するようになっている。 Further, the cylinder 15a and the cylinder 15b are set to different cylinder diameters, and the cylinder diameter of the cylinder 15a is set to be smaller than that of the cylinder 15b. Therefore, if the cylinders 15a and 15b are not operating, the slide block 11 is located on the rightmost side as shown in FIGS. 1A and 1B, and is located in the U-shaped groove of the suspension member 5. It is located at a receiving position where the screw N is received from the vibration rail L. Further, when the cylinder 15a and the cylinder 15b are operated, the slide block 11 has a large cylinder diameter as shown in FIGS. 2A, 2B or 3A, 3B. It is pushed by the cylinder 15b and is located at an inspection position where the through cutout hole 11a and the inspection hole Fd2 communicate with each other. Further, when only the cylinder 15a operates, the slide block 11 is moved to the leftmost side as shown in FIGS. 4A and 4B, and the through cutout hole 11a and the sliding hole Fd1 communicate with each other. Located in position. That is, the slide block 11 is positioned at any of the receiving position, the inspection position, and the discharging position by the operation of the cylinders 15a and 15b.

前記バックアップ部材20は、前記フレームFの最上面にねじ止めされており、前記摺動蓋12の上面から若干の隙間を空けて配されている。また、バックアップ部材20は、前述の検査位置において前記吊下部材5に吊下したねじNが後記突き上げ手段30によって上方へ突き上げられた際、当該ねじNの頭頂面を規制して成る。 The backup member 20 is screwed to the uppermost surface of the frame F, and is arranged with a slight gap from the upper surface of the sliding lid 12. Further, the backup member 20 regulates the crown surface of the screw N when the screw N suspended from the hanging member 5 is pushed upward by the push-up means 30 described later at the above-mentioned inspection position.

前記突き上げ手段30は、前記フレームFに固定され垂直方向へ昇降動作可能な昇降シリンダ31と、この昇降シリンダ31に取り付けられ昇降自在な昇降板32と、この昇降シリンダ32に立設され常時は前記検査穴Fd2内に配された検査ロッド33とから構成される。前記検査ロッド33は、その先端部にねじNの脚部端面に当接する有底穴33aを備え、当該有底穴33aは、前記ねじNの脚部外周をガイドして成るよう構成されている。 The pushing-up means 30 is fixed to the frame F and can move up and down in the vertical direction, an elevating cylinder 31 that is attached to the elevating cylinder 31 and can be elevated and lowered, and an elevating cylinder 32 that is erected at all times. It is composed of an inspection rod 33 arranged in the inspection hole Fd2. The inspection rod 33 is provided with a bottomed hole 33a at the tip thereof that abuts on the end surface of the leg portion of the screw N, and the bottomed hole 33a is configured to guide the outer periphery of the leg portion of the screw N. ..

前記計測手段35は、垂直方向へ撓みこの撓み量を外部出力する接触式センサであり、前記昇降板32に取り付けられて成る。また、接触式センサは、その先端に部材に接触することで縮む方向へ移動する接触子35aを備えて成り、この接触子35aの移動量を前記制御手段50へ出力可能に構成されている。 The measuring means 35 is a contact type sensor that bends in the vertical direction and outputs the amount of the bending to the outside, and is attached to the elevating plate 32. Further, the contact type sensor is provided with a contactor 35a at its tip that moves in a contracting direction when it comes into contact with a member, and the movement amount of the contactor 35a can be output to the control means 50.

前記制御手段50は、前記シリンダ15a,15bおよび前記昇降シリンダ31を接続して成り、これら各シリンダへ動作指令を送る動作指令部と、前記接触式センサから出力された計測値と予め設定された設定値とを比較し前記計測値が前記設定値の範囲内であれば正常判定する一方、範囲外であれば異常判定する判定部とを備えて成る。 The control means 50 is configured by connecting the cylinders 15a and 15b and the elevating cylinder 31, and is preset with an operation command unit that sends an operation command to each of these cylinders and a measured value output from the contact sensor. It is provided with a determination unit for comparing with the set value and determining whether the measured value is within the range of the set value for normal determination, and for out of the range, determining an abnormality.

このように構成された部品供給装置1は、図1(a)に示すように前記吊下部材5を前記受取位置に位置させて前記振動レールLから排出されるねじNを1つ受取り、当該ねじNの頭部を前記吊下部材5の上面で支持する。 As shown in FIG. 1A, the component supply device 1 configured in this way positions the hanging member 5 at the receiving position and receives one screw N discharged from the vibration rail L. The head of the screw N is supported by the upper surface of the hanging member 5.

次に、前記制御手段50から発せられた作動信号に基づき前記シリンダ15aおよび前記シリンダ15bが作動し、前記シリンダ15aのロッド15a1と一体に前記スライドブロック11が前記検査位置へ向かって摺動するとともに、前記シリンダ15bのロッド15b2がスライドブロック11の端面に当接する。これにより、前記スライドブロック11は、図2(a),(b)に示すようにシリンダ15a,15bにそれぞれ押圧されて前記検査位置に留まる。また、このように、スライドブロック11が受取位置から検査位置へ移動する過程において、前記吊下部材5は、前記係合溝Faに沿って徐々に前記昇降シリンダ31側へ移動し、前記ねじNを前記貫通切欠穴11aのほぼ軸線上へ移動する。 Next, the cylinder 15a and the cylinder 15b are operated based on the operation signal emitted from the control means 50, and the slide block 11 slides toward the inspection position integrally with the rod 15a1 of the cylinder 15a. , The rod 15b2 of the cylinder 15b comes into contact with the end surface of the slide block 11. As a result, the slide block 11 is pressed by the cylinders 15a and 15b, respectively, as shown in FIGS. 2A and 2B, and stays at the inspection position. Further, in the process of moving the slide block 11 from the receiving position to the inspection position in this way, the hanging member 5 gradually moves toward the elevating cylinder 31 side along the engaging groove Fa, and the screw N Is moved substantially on the axis of the through notch hole 11a.

続いて、制御手段50は、前記昇降シリンダ31へ復帰信号を発するので、昇降シリンダ31に取り付けられた前記昇降板32が図3(b)の矢印方向へ上昇し、前記検査ロッド33の有底穴33aに前記ねじNの先端が当接して当該ねじNの頭部座面が吊下部材5の上面から浮き上がる。また、この上方へ浮き上ったねじNの頭頂面は、前記バックアップ部材20の下面に当接するので、この図3(b)に示す高さよりも上方へは突き上げられること無くねじNの突き上げが規制される。 Subsequently, the control means 50 emits a return signal to the elevating cylinder 31, so that the elevating plate 32 attached to the elevating cylinder 31 rises in the direction of the arrow in FIG. 3B, and the bottom of the inspection rod 33 is bottomed. The tip of the screw N comes into contact with the hole 33a, and the head bearing surface of the screw N rises from the upper surface of the hanging member 5. Further, since the top surface of the screw N that has risen upward abuts on the lower surface of the backup member 20, the screw N can be pushed up without being pushed up above the height shown in FIG. 3 (b). Be regulated.

この時、前記接触式センサは、前記接触子35aが前記フレームFの下面に取り付けられたボルトに接触して所定量撓んでこの撓み量に応じた測定値を前記制御手段50へ出力している。制御手段50は、前記測定値を一旦その内部に記憶し、予め設定されている設定値の範囲内に当該測定値が入っているか否か前記判定部で判定するとともに前記動作指令部から前記昇降シリンダ31を作動させるための作動信号を発する。これにより、前記昇降シリンダ31は、元の位置へ復帰して図2(b)に示す位置まで前記検査ロッド33を下降させる。 At this time, the contact type sensor causes the contactor 35a to come into contact with a bolt attached to the lower surface of the frame F and bend a predetermined amount to output a measured value corresponding to the amount of bending to the control means 50. .. The control means 50 temporarily stores the measured value in the inside thereof, determines whether or not the measured value is within the preset range of the set value by the determination unit, and moves up and down from the operation command unit. An operation signal for operating the cylinder 31 is emitted. As a result, the elevating cylinder 31 returns to the original position and lowers the inspection rod 33 to the position shown in FIG. 2B.

次に、制御手段50は、前記シリンダ15bへ復帰信号を送るので、これまでストロークを余して前記検査位置までの伸長で留まっていた前記ロッド15a1が再び伸長し始める。これにより、前記スライドブロック11は、前記検査位置から前記排出位置へ向かって再び摺動を始める。 Next, since the control means 50 sends a return signal to the cylinder 15b, the rod 15a1 which has been extended to the inspection position with an extra stroke so far starts to extend again. As a result, the slide block 11 starts sliding again from the inspection position to the discharge position.

このように、前記スライドブロック11が検査位置から排出位置へ移動する過程において、前記吊下部材5は、前記係合溝Faに沿って更に前記昇降シリンダ31側へ引き込まれるように移動するので、今までこれに吊下していたねじNとの係合を解き当該ねじNを前記貫通切欠穴11aへ滑落させる。なお、前記判定部の判定結果は、図示しない表示器などに表示され、滑落させ排出した当該ねじNの全長寸法の良否結果として採用される。 In this way, in the process of moving the slide block 11 from the inspection position to the discharge position, the suspension member 5 moves along the engagement groove Fa so as to be further pulled toward the elevating cylinder 31 side. The engagement with the screw N suspended so far is released, and the screw N is slid down into the through notch hole 11a. The determination result of the determination unit is displayed on a display (not shown) or the like, and is adopted as a quality result of the overall length dimension of the screw N that has been slid down and discharged.

この後、制御手段50は、前記シリンダ15aへ復帰信号を送り、前記スライドブロック11を図1(a),(b)に示す受取位置まで戻すよう制御する。 After that, the control means 50 sends a return signal to the cylinder 15a and controls the slide block 11 to return to the receiving position shown in FIGS. 1A and 1B.

このように、本発明に係る部品供給装置1は、ねじNを次工程へ供給する過程において、、従来のような光電センサなどではなく直接ねじNの全長を接触する接触式センサにより測定するので、埃などが発生する環境であっても誤動作し難いという利点がある。また、本発明に係る部品供給装置1は、検査対象のねじNを一旦前記突き上げ手段30によって吊下部材5から切り離し、バックアップ部材20に押し当ててその全長を測定するので、従来では測定できなかった頭部を含めたねじNの全長を計測でき、頭部高さの異なる異品を検出できるという利点もある。 As described above, in the process of supplying the screw N to the next process, the component supply device 1 according to the present invention measures the entire length of the screw N directly by a contact sensor instead of a conventional photoelectric sensor or the like. There is an advantage that it is hard to malfunction even in an environment where dust is generated. Further, the component supply device 1 according to the present invention cannot measure the total length of the screw N to be inspected because the screw N to be inspected is once separated from the hanging member 5 by the pushing-up means 30 and pressed against the backup member 20 to measure the total length thereof. There is also an advantage that the total length of the screw N including the head can be measured, and different products having different head heights can be detected.

1 … 部品供給装置
5 … 吊下部材
10 … 直動駆動ユニット
11 … スライドブロック
11a… 貫通切欠穴
12 … 摺動蓋
15a… シリンダ
15b… シリンダ
20 … バックアップ部材
30 … 突き上げ手段
31 … 昇降シリンダ
33 … 検査ロッド
35 … 計測手段
50 … 制御手段
N … ねじ
1 ... Parts supply device 5 ... Suspended member 10 ... Linear drive unit 11 ... Slide block 11a ... Through notch hole 12 ... Sliding lid 15a ... Cylinder 15b ... Cylinder 20 ... Backup member 30 ... Pushing means 31 ... Lifting cylinder 33 ... Inspection rod 35 ... Measuring means 50 ... Control means N ... Screw

Claims (3)

頭付き棒状部品を吊下支持する吊下部材と、この吊下部材に吊下された頭付き棒状部品を下方から上方へ突き上げる突き上げ手段と、前記吊下部材の上方に固定され突き上げ手段により突き上げられた頭付き棒状部品を所定高さ以上突き上げられないように規制するバックアップ部材と、このバックアップ部材に規制された当該頭付き棒状部品の全長に相当の寸法を計測して出力する計測手段と、この計測手段の計測値および予め設定した設定値を比較して前記頭付き棒状部品の全長を良否判定する制御手段とを備え、
前記計測手段は、前記突き上げ手段に取り付けられた接触式センサであることを特徴とする部品供給装置。
A hanging member that suspends and supports the rod-shaped part with a head, a pushing means for pushing up the rod-shaped part with a head suspended from the hanging member from below to above, and a pushing means that is fixed above the hanging member and pushed up by the pushing means. A backup member that regulates the headed rod-shaped part so that it cannot be pushed up above a predetermined height, and a measuring means that measures and outputs a dimension corresponding to the total length of the headed rod-shaped part regulated by this backup member. It is provided with a control means for determining the quality of the total length of the rod-shaped part with a head by comparing the measured value of the measuring means with the set value set in advance.
The component supply device, wherein the measuring means is a contact type sensor attached to the pushing-up means.
前記吊下部材は、前工程から供給される頭付き棒状部品を案内して受け取るU字溝を備え、前工程から頭付き棒状部品を受け取る受取位置と、前記U字溝に吊下した頭付き棒状部品を前記計測手段により計測する検査位置と、これら受取位置と検査位置とを順に通過した後に前記U字溝から当該頭付き棒状部品の吊下状態を解き下方へ滑落させて排出する排出位置とへ順に摺動移動するスライドブロックとともに水平方向へ移動するよう構成されて成ることを特徴とする請求項1に記載の部品供給装置。 The hanging member is provided with a U-shaped groove for guiding and receiving a headed rod-shaped part supplied from the previous process, a receiving position for receiving the headed rod-shaped part from the previous process, and a head suspended in the U-shaped groove. The inspection position where the rod-shaped part is measured by the measuring means, and the discharge position where the receiving position and the inspection position are passed in order, and then the hanging state of the rod-shaped part with a head is released from the U-shaped groove and the rod-shaped part is slid downward and discharged. The component supply device according to claim 1, wherein the component supply device is configured to move in the horizontal direction together with a slide block that slides and moves in order. 前記突き上げ手段は、前記検査位置に位置する頭付き棒状部品の脚部先端に当接し当該脚部外周をガイドする検査ロッドを備えて成り、当該頭付き棒状部品を前記バックアップ部材および検査ロッドにより軸方向へ押圧し前記計測手段によって計測するよう構成したことを特徴とする請求項2に記載の部品供給装置。
The push-up means includes an inspection rod that abuts on the tip of the leg of the rod-shaped part with a head located at the inspection position and guides the outer circumference of the leg, and the rod-shaped part with a head is shafted by the backup member and the inspection rod. The component supply device according to claim 2, wherein the component supply device is configured to be pressed in a direction and measured by the measuring means.
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