WO2014136212A1 - バックアップピン及びバックアップピン自動交換システム - Google Patents
バックアップピン及びバックアップピン自動交換システム Download PDFInfo
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- WO2014136212A1 WO2014136212A1 PCT/JP2013/056038 JP2013056038W WO2014136212A1 WO 2014136212 A1 WO2014136212 A1 WO 2014136212A1 JP 2013056038 W JP2013056038 W JP 2013056038W WO 2014136212 A1 WO2014136212 A1 WO 2014136212A1
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- backup
- pin
- stocker
- backup plate
- holder
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/0061—Tools for holding the circuit boards during processing; handling transport of printed circuit boards
Definitions
- the present invention relates to a backup pin for supporting a circuit board on which a component is mounted at a component mounting station of a component mounter from below and an automatic backup pin replacement system.
- a backup pin When mounting a component on the remaining one side of the board, if the backup pin that supports the board from below hits the front part on the lower surface of the board, the front part may be damaged or the board may be pushed up.
- a backup pin is formed of a soft elastic material such as urethane and elastically deforms when the tip of the pin hits the tip part. It is intended to prevent damage and board push-up.
- elastically deformable backup pins are called “soft pins”, and backup pins that are not elastically deformed are called “hard pins”.
- Patent Document 2 Japanese Patent No. 2792931
- a large number of mounting holes are provided in the backup plate. Is formed in a matrix, and according to the type of substrate to be produced, an operator selects an attachment hole for fitting the fitting convex portion at the lower end of the hard pin and attaches the hard pin to the backup plate.
- JP 2004-335993 A Japanese Patent No. 2792931
- the above-described conventional technology has a drawback in that the hard pins and the soft pins have to be prepared and managed separately, and the management of the backup pins is troublesome and the management cost is high.
- the problem to be solved by the present invention is to provide a backup pin and a backup pin automatic exchange system that can easily manage the backup pin and reduce the management cost.
- a backup pin of the present invention is composed of a lower holder part and an upper pin part exchangeably held by the holder part, and a plurality of different materials and / or shapes.
- the pin portion selected from the types of pin portions is used while being held by the holder portion. In this way, since the holder portion can be shared among a plurality of types of backup pins of different materials and shapes, management of the backup pins is easy and management costs can be reduced.
- the pin portion that can be held by the holder portion only needs to include a soft pin portion formed of a soft elastic material or a hard pin portion formed of a hard material.
- a soft pin portion formed of a soft elastic material or a hard pin portion formed of a hard material.
- Types of soft pin portions and hard pin portions may be included, and a plurality of types of soft pin portions having different soft elastic materials (elastic coefficients) may be included.
- a grip portion for gripping with a chuck held by a mounting head of a component mounting machine in the holder portion of the backup pin of the present invention. If it does in this way, a backup pin can be reliably grasped with a chuck of a mounting head of a component mounting machine, and the backup pin can be automatically arranged at an arbitrary position.
- the structure for attaching the backup pin of the present invention to the backup plate is formed in a matrix shape with a plurality of attachment holes in the backup plate as in Patent Documents 1 and 2, and fitted into the attachment hole in the holder portion of the backup pin.
- a fitting projection may be formed, and a backup pin may be attached to the backup plate by selecting an attachment hole for fitting the fitting projection of the holder portion according to the type of substrate to be produced.
- the arrangement of the backup pin on the backup plate is limited to the position of the mounting hole, and the position of the backup pin cannot be freely arranged.
- the backup plate may be formed of a magnetic material, and the backup pin holder portion may be provided with a magnet for holding the holder portion by magnetic force on the backup plate.
- the backup pin since the backup pin can be attached to the arbitrary position on the backup plate by the magnetic force of the magnet, the position of the backup pin can be freely arranged on the backup plate.
- the present invention controls the stocker for storing the backup pin of the present invention, the backup plate for mounting the backup pin, the chuck held by the mounting head of the component mounting machine, and the movement operation of the mounting head and the opening / closing operation of the chuck.
- a plurality of backup pins holding different types of pin portions, and the control means holds the backup pins on the backup plate with the chuck and holds the backup pins on the stocker. It is preferable to control the storing operation and the operation of holding a predetermined backup pin out of a plurality of backup pins stored in the stocker with the chuck and placing it on a predetermined position on the backup plate. In this way, it is possible to automate the operation of selecting the backup pin stored in the stocker and placing it on the backup plate.
- the stocker may be arranged outside the conveyor that conveys the circuit board.
- the backup plate in the stocker is gripped by the chuck of the mounting head of the component mounting machine.
- the mounting head When it is placed on top, the mounting head must be moved across the rails of the conveyor, the moving distance of the mounting head becomes long, and it takes time to replace the backup pin.
- the stocker when the stocker is arranged inside the conveyor, there is a possibility that the circuit board exists above the stocker, and therefore, the backup pin stored in the stocker may interfere with a front part of the circuit board.
- the stocker may be provided at the side edge of the backup plate located inside the conveyor so as to be lower than the backup plate. In this way, even if the stocker is provided on the side edge portion of the backup plate located inside the conveyor, it is possible to prevent the backup pin housed in the stocker from interfering with the attached parts of the circuit board. Moreover, if the stocker is provided on the side edge of the backup plate located inside the conveyor, it is not necessary to move the mounting head across the rail of the conveyor, and the moving distance of the mounting head is shortened, and the backup pin is replaced. Work time can be shortened.
- the stocker in a component mounting machine in which one side of the rails on both sides of the conveyor is a reference rail whose position is fixed and the other side is a movable rail that moves in the width direction according to the width of the circuit board, the stocker is used as a reference. It should be provided on the rail side. Since the circuit board is supported by the reference rail, it is not necessary to arrange a backup pin in the vicinity of the reference rail in the backup plate. For this reason, if the stocker is provided on the reference rail side, the stocker can be provided on the backup plate without substantially limiting the arrangement of the backup pins on the backup plate.
- the type of the backup pin is recognized by imaging the backup pin stored in the stocker with the imaging device and performing image processing. It is good to make it. In this way, it is possible to reliably prevent mistakes in which the wrong backup pin type is placed on the backup plate.
- FIG. 1 is a perspective view illustrating a combination of two types of pin portions and a holder portion in one embodiment of the present invention.
- FIG. 2 is a perspective view showing a component mounting station of the component mounter.
- FIG. 3A is a longitudinal sectional view of the peripheral portion of the stocker showing the state when the substrate is unclamped, and
- FIG. 3B is a longitudinal sectional view of the peripheral portion of the stocker showing the state when the substrate is clamped.
- FIG. 4 is a perspective view showing the arrangement of the stocker.
- the backup pins 11 and 12 are composed of a lower holder portion 13 and upper pin portions 14 and 15 held in the holder portion 13 in an exchangeable manner.
- the pin portions 14 and 15 are formed in different materials and / or different shapes.
- one pin portion 14 is a hard pin portion formed of a hard material such as metal or plastic in a stepped cylindrical shape
- the other pin portion 15 is a soft elastic material such as urethane or rubber. It is a soft pin portion made of a material, formed in a tapered shape having a smaller diameter toward the upper side, and its upper end portion is formed in a rounded shape (dome shape).
- Each of the hard / soft pin portions 14 and 15 is formed so that the maximum outer diameter on the lower side is the same.
- the holder portion 13 is formed of a hard material such as metal or plastic, and a crossing for holding the pin portion 14 or 15 upward by fitting the lower side of the pin portion 14 or 15 to the upper portion thereof.
- a surface circular fitting hole 16 is formed.
- the backup pin 11 or 12 is assembled.
- the backup pin 11 holding the hard pin portion 14 may be abbreviated as “hard pin”
- the backup pin 12 holding the soft pin portion 15 may be abbreviated as “soft pin”.
- the hard pins 11 are preferably used when backing up a thick (high rigidity) circuit board.
- the soft pin 12 is preferably used when backing up a circuit board on which vibration suppression is to be performed. Further, the soft pin 12 may be used when supporting a tip part.
- the hard pins 11 and the soft pins 12 may be mixed and used.
- annular groove-shaped grip portion 17 is formed for gripping with a chuck (not shown) held by a mounting head of the component mounting machine.
- a magnet 18 that holds the holder portion 13 by a magnetic force on a backup plate 30 described later is provided below the holder portion 13.
- the component mounting station 22 is a place where components are mounted on the circuit board 25 carried by the conveyors 23 and 24 with a mounting head (not shown) of a component mounting machine.
- the conveyors 23 and 24 are arranged in parallel with the conveyance direction of the circuit board 25 so as to carry the left and right sides of the circuit board 25, and the rail 27 holding the right conveyor 23 is a reference with a fixed position.
- the rail 28 that holds the left conveyor 24 is a movable rail that moves in the width direction according to the width of the circuit board 25.
- the component mounting station 22 is provided with a backup plate 30 on which the backup pins 11 and 12 are placed horizontally.
- the backup plate 30 is made of a magnetic material such as iron, and the backup pins 11 and 12 are attracted and held on the backup plate 30 by the magnet 18 of the holder portion 13.
- the backup plate 30 is configured to be moved up and down by an elevating mechanism 31.
- the lower limit position during the lowering operation is the substrate unclamping position shown in FIG.
- the upper ends of the backup pins 11 and 12 on the backup plate 30 are lower than the lower surface of the circuit board 25 on the conveyors 23 and 24.
- the leading component 32 is mounted on the lower surface of the circuit board 25 on the conveyors 23 and 24 at the lower position, the upper end of the soft pin 12 on the backup plate 30 is the leading component on the lower surface of the circuit substrate 25. It is set to be lower than the lower end of 32.
- the backup plate 30 when the backup plate 30 is raised to the board clamp position, the upper ends of the backup pins 11 and 12 on the backup plate 30 are on the lower surface of the circuit board 25 on the conveyors 23 and 24.
- the circuit board 25 is abutted and supported from below to prevent the circuit board 25 from bending.
- the clamp members 33 located inside the conveyors 23 and 24 are raised, and flange portions 27a and 28a provided on the inner sides of the upper ends of the rails 27 and 28 and the clamp members. 32, the left and right sides of the circuit board 25 are sandwiched between and clamped.
- a notch 30a is formed near the inside of the reference rail 27 in the side edge of the backup plate 30, and a plurality of backup pins 11 are formed on the edge of the notch 30a.
- 12 is attached via a fixture 35 (see FIG. 3).
- the stocker 34 is formed so that a plurality of backup pins 11 and 12 can be placed in a line along the inside of the reference rail 27.
- a plurality of storage recesses 36 are formed in a row to fit and store the holder portions 13 of the plurality of backup pins 11, 12 one by one.
- the stored backup pins 11 and 12 are exposed upward from the notch 30 a of the backup plate 30.
- stockers 34 are provided at two locations near the inside of the reference rail 27, the hard pins 11 are stored in one stocker 34, and the soft pins 12 are stored in the other stocker 34.
- the soft pins are provided in the two stockers 34. Only 12 may be stored.
- the stocker 34 is attached to the backup plate 30, as shown in FIG. 3B, when the backup plate 30 rises to the substrate clamp position, the stocker 34 also rises. For this reason, it is necessary to prevent the backup pins 11 and 12 placed on the stocker 34 from interfering with the front parts 32 of the circuit board 25 on the conveyors 23 and 24.
- the stocker 34 is provided at a position that is lower than the lower surface of the backup plate 30 by the height of the tip part 32.
- the moving operation of the mounting head and the opening / closing operation of the chuck are controlled by a control device (control means) of the component mounting machine.
- the operation of replacing the backup pins 11 or 12 on the backup plate 30 is performed in a state where the circuit board 25 does not exist above the backup plate 30.
- the backup plate 30 may be raised to the substrate clamping position, or the backup pin 11 or 12 may be replaced at the substrate unclamping position without being raised.
- the mounting head is moved above the backup pin 11 or 12 to be removed on the backup plate 30, and the backup pin 11 is moved.
- the gripping portion 17 of the holder portion 13 of 12 is gripped by the chuck of the mounting head and the backup pin 11 or 12 is peeled off from the backup plate 30, and then the backup pin 11 or 12 is stored in the stocker 34 in an empty space. It is moved above the recess 36 and stored in the storage recess 36.
- the backup pin 11 or 12 placed on the backup plate 30 When the position of the backup pin 11 or 12 placed on the backup plate 30 is transferred to another position on the backup plate 30, the backup pin 11 or 12 to be transferred is grasped with a chuck, After the backup pin 11 or 12 is peeled off from the backup plate 30, the backup pin 11 or 12 is moved above the target replacement position of the backup plate 30, and the backup pin 11 or 12 is lowered. Place on the backup plate 30. Thereby, the backup pin 11 or 12 is attracted and held at the target replacement position on the backup plate 30 by the magnetic force of the magnet 18 of the holder portion 13.
- the backup pin 11 or 12 accommodated in the stocker 34 is placed on the target pin placement position on the backup plate 30, the backup pin 11 or 12 accommodated in the stocker 34 is placed on the imaging device of the component mounting machine (FIG.
- the type and position of the backup pin 11 or 12 are recognized by picking up images and processing the images.
- the upper end surface of the hard pin portion 14 and the annular upper end surface of the holder portion 13 are illuminated and imaged by reflection of the illumination light.
- the hard pin 11 and the soft pin 12 may be identified based on whether or not a surface that shines at the center of the end surface (ring-shaped surface that shines).
- the type and position of the backup pin 11 or 12 is recognized by such image processing determination on the shining surface, and the backup pin 11 placed on the backup plate 30 from the plurality of backup pins 11 or 12 stored in the stocker 34. Or 12 is selected, the gripping portion 17 of the holder portion 13 of the backup pin 11 or 12 is gripped by the chuck and pulled up from the stocker 34, and then the pin placement for setting the backup pin 11 or 12 as the target of the backup plate 30 The backup pin 11 or 12 is moved downward and placed on the backup plate 30. Thereby, the backup pin 11 or 12 is attracted and held at the target pin placement position on the backup plate 30 by the magnetic force of the magnet 18 of the holder portion 13.
- the backup pins 11 and 12 of the present embodiment described above are composed of a lower holder portion 13 and upper pin portions 14 and 15 held in the holder portion 13 in an exchangeable manner. Since the pin portion 14 or 15 selected from the two different types of pin portions 14 and 15 is used while being held by the holder portion 13, between the two types of backup pins 11 and 12 having different materials and shapes.
- the holder 13 can be shared, the backup pins 11 and 12 can be easily managed, and the management cost can be reduced.
- the present invention is not limited to the case where the upper-side pin portions 14 and 15 held in the holder portion 13 in an exchangeable manner are two types of hardware / software, and a plurality of types of soft pin portions that are different in shape only from the same material. Or a hard pin portion may be included, or a plurality of types of soft pin portions having different soft elastic materials (elastic coefficients) may be included.
- the backup pin 11 is chucked with the chuck of the mounting head of the component mounting machine.
- 12 can be securely grasped, and the backup pins 11, 12 can be automatically arranged at arbitrary positions on the backup plate 30.
- the holder portion 13 of the backup pins 11 and 12 is provided with a magnet 18 that holds the holder portion 30 by magnetic force on the backup plate 30, and the backup pins 11 and 12 are magnets of the holder portion 13. 18 is configured to be sucked and held on the backup plate 30.
- the mounting plate is provided with a large number of mounting holes in the matrix and the mounting portion of the backup pin is mounted on the backup plate. A fitting projection that fits into the hole may be formed, and an attachment hole that fits the fitting projection of the holder portion may be selected according to the type of substrate to be produced, and the backup pin may be attached to the backup plate. .
- the arrangement of the backup pin on the backup plate is limited to the position of the mounting hole, and the position of the backup pin cannot be freely arranged.
- the backup pins 11 and 12 are configured to be attracted and held on the backup plate 30 by the magnet 18 of the holder portion 13 as in this embodiment, the backup pin 11 can be placed at an arbitrary position on the backup plate 30. , 12 can be attached by the magnetic force of the magnet 18, and the positions of the backup pins 11, 12 can be freely arranged on the backup plate 30.
- the stocker 34 for storing the backup pins 11 and 12 is provided on the side edge of the backup plate 30 located inside the conveyors 23 and 24. However, the stocker 34 is provided outside the conveyors 23 and 24. 34 may be arranged.
- the mounting head is moved to the conveyor 23 when the backup pin 11 or 12 in the stocker 34 is gripped and placed on the backup plate 30 by the chuck of the mounting head of the component mounting machine. (Or 24) must be moved across the rail 27 (or 28), the moving distance of the mounting head becomes long, and the work of replacing the backup pins 11 and 12 takes time.
- the circuit board 25 may exist above the stocker 34, and therefore, the backup pins 11 and 12 housed in the stocker 34 are attached to the front part 32 of the circuit board 25. There is a possibility of interference.
- the stocker 34 is provided on the side edge of the backup plate 30 located inside the conveyors 23 and 24 so as to be lower than the backup plate 30. Even if the stocker 34 is provided on the side edge of the backup plate 30 located inside the conveyors 23 and 24, it is possible to prevent the backup pins 11 and 12 housed in the stocker 34 from interfering with the front-mounted component 32 of the circuit board 25. Moreover, if the stocker 34 is provided on the side edge of the backup plate 30 located inside the conveyors 23 and 24, it is not necessary to move the mounting head across the rail 27 (or 28) of the conveyor 23 (or 24). The moving distance of the mounting head is shortened, and the time for replacing the backup pins 11 and 12 can be shortened.
- the circuit board 25 is supported by the reference rail 27, so that it is not necessary to place a backup pin in the vicinity of the reference rail 27 in the backup plate 30. Since it is provided on the reference rail 27 side, the stocker 34 can be provided on the backup plate 30 without substantially limiting the arrangement of the backup pins 11 and 12 on the backup plate 30.
- the backup pins 11 and 12 stored in the stocker 34 are imaged by the imaging device of the component mounting machine and processed, the type of the backup pins 11 and 12 is recognized. It is possible to reliably prevent mistakes in which the backup pins 11 and 12 are mistakenly placed on the backup plate 30 by mistake.
- the stocker 34 may be provided on the side edge of the circuit board 25 in the side edge of the backup plate 30 or in the opposite direction, or The stocker 34 may be provided in a portion other than the backup plate 30, and the backup pins 11 and 12 housed in the stocker 34 are imaged by the imaging device of the component mounting machine so as not to perform the image processing.
- various modifications can be made without departing from the gist of the invention, such as appropriately changing the structure for holding the pin portions 14 and 15 in the holder portion 13.
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Abstract
Description
まず、図1を用いて2種類のバックアップピン11,12の構成を説明する。
Claims (8)
- 部品実装機の部品実装ステーションで部品を実装する回路基板を下方から支えるバックアップピンにおいて、
該バックアップピンは、下部側のホルダ部と、該ホルダ部に交換可能に保持される上部側のピン部とから構成され、材質及び/又は形状の異なる複数種類のピン部の中から選択したピン部を前記ホルダ部に保持させて使用することを特徴とするバックアップピン。 - 前記ホルダ部に保持可能なピン部は、軟質弾性材料で形成したソフトピン部、または、硬質材料で形成したハードピン部であることを特徴とする請求項1に記載のバックアップピン。
- 前記ホルダ部には、前記部品実装機の装着ヘッドに保持されたチャックで掴むための掴み部が形成されていることを特徴とする請求項1又は2に記載のバックアップピン。
- 前記部品実装ステーションに、前記バックアップピンを載せる磁性材料製のバックアッププレートが設けられた部品実装機に適用され、
前記ホルダ部には、前記バックアッププレート上に該ホルダ部を磁力により保持する磁石が設けられていることを特徴とする請求項1乃至3のいずれかに記載のバックアップピン。 - 請求項1乃至4のいずれかに記載のバックアップピンを収納するストッカーと、
前記バックアップピンを載せるバックアッププレートと、
前記部品実装機の装着ヘッドに保持されたチャックと、
前記装着ヘッドの移動動作と前記チャックの開閉動作を制御する制御手段とを備え、
前記ストッカーには、異なる種類のピン部が保持された複数本のバックアップピンが収納され、
前記制御手段は、前記バックアッププレート上のバックアップピンを前記チャックで掴んで前記ストッカーに収納する動作と、前記ストッカーに収納した複数本のバックアップピンの中から予め決められたバックアップピンを前記チャックで掴んで前記バックアッププレート上の所定の位置に載せる動作とを制御することを特徴とするバックアップピン自動交換システム。 - 前記ストッカーは、前記バックアッププレートの側縁部に、該バックアッププレートよりも低くなるように設けられていることを特徴とする請求項5に記載のバックアップピン自動交換システム。
- 回路基板を搬送するコンベアの両側のレールの一方側を位置が固定された基準レールとし、他方側を回路基板の幅に応じてその幅方向に移動する可動レールとした部品実装機に適用され、
前記ストッカーは、前記基準レール側に設けられていることを特徴とする請求項6に記載のバックアップピン自動交換システム。 - 撮像対象物を上方から撮像する撮像装置を備えた部品実装機に適用され、
前記制御手段は、前記ストッカーに収納されたバックアップピンを前記撮像装置で撮像して画像処理することで該バックアップピンの種類を認識することを特徴とする請求項5乃至7のいずれかに記載のバックアップピン自動交換システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2015504047A JP6037412B2 (ja) | 2013-03-05 | 2013-03-05 | バックアップピン及びバックアップピン自動交換システム |
PCT/JP2013/056038 WO2014136212A1 (ja) | 2013-03-05 | 2013-03-05 | バックアップピン及びバックアップピン自動交換システム |
CN201380074235.9A CN105027697B (zh) | 2013-03-05 | 2013-03-05 | 支撑销及支撑销自动更换系统 |
EP13877234.8A EP2966952B1 (en) | 2013-03-05 | 2013-03-05 | Backup pin and automated backup-pin swap system |
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PCT/JP2013/056038 WO2014136212A1 (ja) | 2013-03-05 | 2013-03-05 | バックアップピン及びバックアップピン自動交換システム |
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JP (1) | JP6037412B2 (ja) |
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JP2014216468A (ja) * | 2013-04-25 | 2014-11-17 | ヤマハ発動機株式会社 | バックアップピン、基板支持装置、基板処理装置 |
WO2017017802A1 (ja) * | 2015-07-29 | 2017-02-02 | 富士機械製造株式会社 | 部品実装機 |
JPWO2015040755A1 (ja) * | 2013-09-23 | 2017-03-02 | 富士機械製造株式会社 | ソフトバックアップピンの状態確認装置 |
WO2020144748A1 (ja) * | 2019-01-08 | 2020-07-16 | 株式会社Fuji | 部品実装機のバックアップピン状態確認システム |
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US11464151B2 (en) * | 2017-06-20 | 2022-10-04 | Fuji Corporation | Electronic component mounting machine |
WO2019229968A1 (ja) * | 2018-06-01 | 2019-12-05 | 株式会社Fuji | バックアップピン及びバックアップピン自動交換システム |
CN113909162B (zh) * | 2021-08-26 | 2023-01-31 | 郑州奥普智能科技股份有限公司 | 一种载具自动除胶设备及除胶方法 |
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JP2014216468A (ja) * | 2013-04-25 | 2014-11-17 | ヤマハ発動機株式会社 | バックアップピン、基板支持装置、基板処理装置 |
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JPWO2017017802A1 (ja) * | 2015-07-29 | 2018-05-24 | 株式会社Fuji | 部品実装機 |
WO2020144748A1 (ja) * | 2019-01-08 | 2020-07-16 | 株式会社Fuji | 部品実装機のバックアップピン状態確認システム |
CN113170611A (zh) * | 2019-01-08 | 2021-07-23 | 株式会社富士 | 元件安装机的支撑销状态确认系统 |
JPWO2020144748A1 (ja) * | 2019-01-08 | 2021-09-09 | 株式会社Fuji | 部品実装機のバックアップピン状態確認システム |
JP7130779B2 (ja) | 2019-01-08 | 2022-09-05 | 株式会社Fuji | 部品実装機のバックアップピン状態確認システム |
CN113170611B (zh) * | 2019-01-08 | 2022-11-04 | 株式会社富士 | 元件安装机的支撑销状态确认系统 |
Also Published As
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CN105027697B (zh) | 2018-04-13 |
EP2966952A4 (en) | 2016-03-16 |
JPWO2014136212A1 (ja) | 2017-02-09 |
CN105027697A (zh) | 2015-11-04 |
JP6037412B2 (ja) | 2016-12-07 |
EP2966952B1 (en) | 2019-06-19 |
EP2966952A1 (en) | 2016-01-13 |
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