WO2023238407A1 - バルクフィーダおよびバルクフィーダの整列部材 - Google Patents

バルクフィーダおよびバルクフィーダの整列部材 Download PDF

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Publication number
WO2023238407A1
WO2023238407A1 PCT/JP2022/023530 JP2022023530W WO2023238407A1 WO 2023238407 A1 WO2023238407 A1 WO 2023238407A1 JP 2022023530 W JP2022023530 W JP 2022023530W WO 2023238407 A1 WO2023238407 A1 WO 2023238407A1
Authority
WO
WIPO (PCT)
Prior art keywords
parts
bulk feeder
supply area
component
cavities
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/023530
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English (en)
French (fr)
Japanese (ja)
Inventor
祐輔 山▲崎▼
裕司 川崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Corp
Original Assignee
Fuji Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Corp filed Critical Fuji Corp
Priority to PCT/JP2022/023530 priority Critical patent/WO2023238407A1/ja
Priority to JP2024526215A priority patent/JPWO2023238407A1/ja
Priority to CN202290000936.2U priority patent/CN223379514U/zh
Publication of WO2023238407A1 publication Critical patent/WO2023238407A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
    • B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
    • 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
    • H05K13/02—Feeding of components

Definitions

  • a bulk feeder is installed in a component mounting machine that mounts components onto a board, and is used to supply components.
  • the bulk feeder supplies components in a bulk state in a supply area where a suction nozzle of a component mounting machine can pick up the components.
  • the bulk feeder of Patent Document 1 supplies the components in an aligned state by accommodating the components in a plurality of cavities provided in a supply area.
  • the component mounting machine performs image processing to recognize the supply state of components in the bulk feeder, and collects the components that are accommodated in the cavity so that they can be collected.
  • the above-mentioned bulk feeder is required to efficiently accommodate components into a plurality of cavities through a component feeding operation. More specifically, when a component supply operation is performed, it is desirable that the ratio (filling rate) of cavities in which components can be collected to the total number of cavities is high.
  • This specification includes a feeder main body, a track member formed with a conveyance path through which a plurality of parts are conveyed, a supply area for supplying the parts in a collectable manner, and a plurality of cavities for accommodating the parts in the supply area.
  • a conveyance device configured to convey a plurality of the parts between the conveyance path and the supply area, wherein the plurality of cavities arranged along the first direction in the supply area are defined as a cavity row;
  • the cavity rows are arranged in a second direction intersecting the first direction, and at least one of the cavity rows is shifted by a predetermined amount in the first direction with respect to the other adjacent cavity row.
  • a bulk feeder includes a plurality of cavities for accommodating parts in a supply area where the parts can be collected, and the plurality of cavities arranged along a first direction in the supply area are referred to as a cavity row. , a plurality of the cavity rows are arranged side by side in a second direction intersecting the first direction, and at least one of the cavity rows is shifted by a predetermined amount in the first direction with respect to the other adjacent cavity rows.
  • An alignment member of a bulk feeder is disclosed.
  • FIG. 2 is a plan view schematically showing a component mounting machine equipped with a bulk feeder.
  • FIG. 2 is a side view schematically showing a part of the bulk feeder including a supply area.
  • 3 is a plan view seen from direction III in FIG. 2.
  • FIG. 4 is a plan view showing an enlarged supply area of FIG. 3; 5 is a sectional view taken along line VV in FIG. 4.
  • FIG. 7 is a plan view showing the arrangement of cavities in a first modification of the embodiment.
  • FIG. 7 is a plan view showing the arrangement of cavities in a second modification of the embodiment.
  • the bulk feeder 30 and the bulk feeder alignment member 50 will be described with reference to the drawings.
  • the bulk feeder 30 is installed, for example, in a component mounting machine 10 that mounts components onto a board.
  • the bulk feeder 30 supplies parts in a bulk state (separate parts with irregular postures) that are not packaged in carrier tapes, sticks, or the like.
  • the component mounting machine 10 constitutes a production line for producing board products together with a plurality of types of board working machines including other component mounting machines 10, for example.
  • the substrate-related working machines that constitute the above-mentioned production line may include a printing machine, an inspection device, a reflow oven, and the like.
  • the component mounting machine 10 includes a board transfer device 11, as shown in FIG.
  • the substrate transfer device 11 sequentially transfers the substrates 91 in the transfer direction and positions the substrates 91 at a predetermined position within the machine.
  • the component mounting machine 10 includes a component supply device 12 .
  • the component supply device 12 supplies components to be mounted on the board 91.
  • the component supply device 12 is equipped with feeders 122 in a plurality of slots 121, respectively.
  • the feeder 122 is, for example, a tape feeder that feeds and moves a carrier tape containing a large number of parts so as to be able to collect the parts.
  • a bulk feeder 30 is applied to the feeder 122, which feeds parts housed in a bulk state in a collectable manner. Details of the bulk feeder 30 will be described later.
  • the component mounting machine 10 includes a component transfer device 13.
  • the component transfer device 13 transfers the components supplied by the component supply device 12 to a predetermined mounting position on the board 91.
  • the component transfer device 13 includes a head drive device 131, a moving table 132, a mounting head 133, and a suction nozzle 134.
  • the head drive device 131 moves the moving table 132 in the horizontal direction (X direction and Y direction) using a linear motion mechanism.
  • the mounting head 133 is removably fixed to the movable table 132 by a clamp member (not shown), and is provided so as to be movable in the horizontal direction within the machine.
  • the mounting head 133 supports a plurality of suction nozzles 134 in a rotatable and movable manner.
  • the suction nozzle 134 is a holding member that picks up and holds the parts supplied by the feeder 122.
  • the suction nozzle 134 suctions the parts supplied by the feeder 122 using the supplied negative pressure air.
  • a chuck or the like that holds the component by gripping it may be employed.
  • the board camera 15 can also image various devices within the movable range of the moving table 132.
  • the board camera 15 captures an image of the supply area As where the bulk feeder 30 supplies parts and the reference mark 344 provided on the top of the bulk feeder 30 within the camera field of view. can do. In this way, the board camera 15 can be used for imaging different imaging targets in order to obtain image data used for various image processing.
  • Control device 16 The component mounting machine 10 includes a control device 16, as shown in FIG.
  • the control device 16 mainly includes a CPU, various memories, a control circuit, and a storage device.
  • the control device 16 stores various data such as a control program used to control the mounting process.
  • the control program indicates the mounting position, mounting angle, and mounting order of components to be mounted on the board 91 in the mounting process.
  • the control device 16 executes a process of recognizing the holding state of the component held by each of the plurality of holding members (suction nozzles 134). Specifically, the control device 16 performs image processing on the image data acquired by the component camera 14 and recognizes the position and angle of each component with respect to the reference position of the mounting head 133. In addition to the component camera 14, the control device 16 performs image processing on image data obtained by imaging the component from the side, bottom, or top using, for example, a head camera unit provided integrally with the mounting head 133. You may also do so.
  • the control device 16 controls the component mounting operation by the mounting head 133 based on the control program to execute the mounting process.
  • the mounting process includes a process in which a PP cycle (pick-and-place cycle) including a collection operation and a mounting operation is repeated multiple times.
  • the above-mentioned “collection operation” is an operation in which the suction nozzle 134 collects the components supplied by the component supply device 12.
  • the above-mentioned “mounting operation” is an operation of mounting the sampled component at a predetermined mounting position on the board 91 at a predetermined mounting angle.
  • the supply state recognition process includes a process of recognizing whether or not there is a part 92 that can be collected in the supply area As, and if there is a part 92 that can be collected, recognizing the position and angle of the part 92. . Then, the control device 16 controls the operation of the mounting head 133 in the sampling operation based on the result of the supply state recognition process. In the mounting process, the control device 16 controls the operation of the mounting head 133 based on information output from various sensors, the results of image processing, a control program, and the like. Thereby, the positions and angles of the plurality of suction nozzles 134 supported by the mounting head 133 are controlled.
  • the bulk feeder 30 is installed in the component mounting machine 10 and functions as a part of the component supply device 12.
  • the bulk feeder 30 supplies a component 92 housed in a component case in an unwrapped bulk state like a carrier tape. Therefore, unlike a tape feeder, the bulk feeder 30 does not use a carrier tape, and therefore has the advantage that loading of a carrier tape, collection of used tape, etc. can be omitted.
  • the bulk feeder 30 includes a feeder main body 31 formed in a flat box shape.
  • a connector 311 and two pins 312 are provided at the front of the feeder body 31 (the right end in FIG. 2).
  • the two pins 312 are inserted into guide holes provided in the slot 121 and are used for positioning when the feeder main body 31 is set in the slot 121.
  • Track member 34 The bulk feeder 30 includes a track member 34.
  • the track member 34 is provided so as to be able to vibrate and to be detachably attached to the feeder main body 31 .
  • the track member 34 is given vibration by a vibration device 41, which will be described later.
  • the track member 34 is formed with a conveyance path R along which the plurality of parts 92 are conveyed, and a supply area As that communicates with the conveyance path R and opens upward so that the plurality of parts 92 can be collected.
  • the track member 34 is formed to extend in the front-back direction of the feeder main body 31 (the left-right direction in FIG. 3).
  • a pair of side walls 341 that protrude upward are formed on both edges of the track member 34 in the width direction (vertical direction in FIG. 3).
  • the pair of side walls 341 surround the periphery of the conveyance path R together with the tip end 342 of the track member 34, and prevent leakage of the component 92 conveyed through the conveyance path R.
  • the "supply area As" of the track member 34 is an area where the component 92 is supplied in bulk, and is an area where the component 92 can be collected by the suction nozzle 134 supported by the mounting head 133.
  • the "conveyance path R" of the track member 34 is a path of the component 92 that has been distributed from the component case side to the track member 34 and is conveyed to the supply area As.
  • the bulk feeder 30 includes a cover 36.
  • the cover 36 is fixed to the track member 34 and covers the upper part of the conveyance path R. Thereby, the cover 36 is configured to prevent the component 92 from flying out from the conveyance path R.
  • the bulk feeder 30 includes a shutter 37 provided above the track member 34 and capable of closing the opening of the supply area As. By opening and closing the shutter 37, the bulk feeder 30 can prevent parts 92 from flying out or foreign matter from entering the supply area As.
  • the shutter 37 can be switched between an open state, a closed state, and an intermediate state by opening and closing operations.
  • the closed state of the shutter 37 is a state in which the shutter 37 contacts the track member 34 and the opening of the supply area As is completely closed. At this time, the shutter 37 is located on the rear side of the feeder main body 31 than the pair of reference marks 344 of the track member 34, as shown by the broken line in FIG. shall be.
  • the open state of the shutter 37 means a state in which the opening of the supply area As is not closed and the main range of the supply area As (the range in which the plurality of cavities 51 are provided in this embodiment) is exposed. be.
  • the suction nozzle 134 can perform the operation of picking up the component 92 from any of the cavities 51 .
  • the intermediate state of the shutter 37 is a state between the closed state and the open state, in which the shutter 37 is spaced apart from the track member 34 at least more than the amplitude of the track member 34 vibrating due to the vibration of the vibration device 41, and This is a state in which the component 92 is prevented from popping out from the opening in the area As.
  • the shutter 37 is opened and closed by a drive device (not shown), and is placed in a closed state, an open state, or an intermediate state depending on the driving state of the drive device.
  • the bulk feeder 30 includes a vibration device 41 provided on the feeder body 31.
  • the vibration device 41 constitutes a transport device that transports a plurality of parts 92 between the transport path R and the supply area As.
  • the vibration device 41 applies vibration to the track member 34 so that the plurality of components 92 are transported along the transport path R.
  • the vibration device 41 applies vibration to the track member 34, the track member 34 moves in an ellipse when viewed from the side.
  • a forward and upward external force or a backward and upward external force is applied to the plurality of components 92 on the conveyance path R, depending on the rotational direction of the elliptical motion of the track member 34.
  • the plurality of parts 92 are transported to the front side or the rear side of the track member 34.
  • the bulk feeder 30 changes the transport speed of the parts 92 to be transported, the degree of dispersion of the parts 92, the transport direction, etc. by controlling the frequency and amplitude of vibrations applied to the track member 34, and the rotational direction of the elliptical motion caused by the vibrations. can be done.
  • the feeder control device 42 stores various data such as programs and transport parameters used to control the component supply process.
  • the above-mentioned "conveyance parameter” is a parameter for controlling the operation of the vibration device 41 so that the vibration applied to the track member 34 is appropriate when conveying the component 92 in the component supply process. It is set in advance in association with each type of member 50 and each type of component 92. Furthermore, the feeder control device 42 controls the operation of the vibration device 41 to carry out the transport operation of the component 92.
  • the feeder control device 42 configured as described above feeds the parts 92 during the period from the end of the current collection operation to the start of the next collection operation while the component placement machine 10 is executing the PP cycle.
  • the component 92 supply operation is executed.
  • the supply operation of the component 92 is an operation of transporting the component 92 so that the component 92 is accommodated in the plurality of cavities 51 .
  • the conveyance operation includes a feed operation such that the component 92 located at the front end of the conveyance path R advances to the front end of the supply area As, and then the component 92 retreats to the front end of the conveyance path R again. This includes a return operation to the extent that
  • one selected from a plurality of transport patterns can be selectively executed in consideration of circumstances such as allowable time and securing the number of parts that can be collected.
  • the bulk feeder 30 of this embodiment supplies a plurality of components 92 in an aligned state by accommodating the components 92 in a bulk state in the plurality of cavities 51 in the supply area As as described above. .
  • a plurality of cavities 51 are formed in each alignment member 50 attached to the track member 34 .
  • the opening of the cavity 51 is set to be slightly larger than the outer shape of the component 92 in plan view.
  • the outer shape of the component 92 is formed into a rectangular shape (a square chip shape having long sides and short sides) in a plan view.
  • the cavity 51 that accommodates the component 92 is formed into a rectangular shape that follows the outer shape of the component 92.
  • the depth Tv of the cavity 51 is set according to the type (shape, mass, etc.) of the component 92. In this embodiment, the depth Tv of the cavity 51 is set smaller than the thickness Kp of the component 92, as shown in FIG.
  • One of the various types of track members 34 selected based on the type of component 92, the required number of cavities 51, and functionality is attached to the track member 34. At this time, the depth Tv of the cavity 51 may be set to be greater than or equal to the thickness Kp of the component 92.
  • the feeder control device 42 drives the vibration device 41 as a transport device to carry out the operation of transporting the plurality of parts 92.
  • the vibration device 41 As a result, some of the plurality of components 92 are accommodated in the cavity 51, and the remaining components 92 that are not accommodated in the cavity 51 are removed from the supply area As by the return operation.
  • the control device 16 of the component mounting machine 10 executes a supply state recognition process.
  • the control device 16 acquires image data D1 (see FIG. 6) by imaging the supply area As with the board camera 15.
  • FIG. 6 is an example of the image data D1.
  • the control device 16 determines the state of each of the plurality of cavities 51.
  • the plurality of cavities 51 are classified into accommodation cavities that accommodate parts 92 so that they can be collected, NG cavities that have parts 92 around them but cannot be collected, and empty cavities that have no parts 92 around them.
  • the control device 16 calculates the number of states of the plurality of cavities 51. At this time, it is desirable that the ratio (filling rate) of accommodation cavities to the total number of cavities 51 is high.
  • the bulk feeder 30 of the present embodiment improves the filling rate by arranging the plurality of cavities 51. Adopt the following configuration that can be used.
  • the plurality of cavities 51 are arranged in a staggered manner in the supply area As.
  • the plurality of cavities 51 arranged along the first direction C1 in the supply area As are defined as a cavity row Wt.
  • a plurality of cavity rows Wt are arranged side by side in a second direction C2 intersecting the first direction C1, and at least one cavity row Wt is shifted by a predetermined amount in the first direction C1 with respect to another adjacent cavity row Wt. Placed.
  • the first direction C1 is a direction perpendicular to the conveyance direction Ct of the component 92 in the track member 34 (the left-right direction in FIG. 4), and the second direction C2 is the conveyance direction Ct (the left-right direction in FIG. vertical direction).
  • the above-mentioned predetermined amount (hereinafter also referred to as "shift amount Ma") is set to a distance that is half the first interval Pt1 between which the plurality of cavities 51 are arranged along the first direction C1. Then, by alternately shifting and arranging the plurality of cavity rows Wt in the second direction C2, the plurality of cavities 51 are arranged in a staggered manner in the supply area As.
  • the cavity rows Wt adjacent to each other in the transport direction Ct are arranged in an alternating zigzag pattern.
  • eight cavity rows Wt1 to Wt8 are formed in the alignment member 50 in the conveyance direction Ct.
  • the odd-numbered cavity rows Wt1, Wt3, Wt5, and Wt7 from the transport path R side are arranged equally in the width direction of the bulk feeder 30 (left-right direction in FIG. 4). It is composed of 12 cavities 51 arranged at intervals (first interval Pt1).
  • the plurality of cavities 51 are arranged such that the longitudinal direction thereof corresponds to the transport direction Ct of the component 92 in the track member 34 in the supply area As.
  • the outer shape of the component 92 to be housed in the cavity 51 is rectangular, at least some of the plurality of cavities 51 are arranged so that the longitudinal direction is in a direction different from the conveyance direction Ct. It is also possible to have a configuration in which
  • the plurality of cavities 51 forming the even-numbered cavity rows Wt2, Wt4, Wt6, and Wt8 from the transport path R side among the eight cavity rows Wt1 to Wt8 are as follows. It is arranged so that its longitudinal direction is perpendicular to the conveyance direction Ct (first direction C1). Such a configuration also provides the same effects as the embodiment.
  • the conveyance device that conveys the plurality of parts 92 between the conveyance path R and the supply area As is an excitation device 41 that applies vibration to the track member 34 so as to convey the plurality of parts 92. And so.
  • the conveyance device can adopt various modes.
  • the transport device may be configured to use magnetic force to transport the component 92 or to fix the component 92 housed in the cavity 51.
  • the conveying device may include a tilting device that tilts the track member 34 and a brush that slides on the supply area As to move the plurality of components 92.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Supply And Installment Of Electrical Components (AREA)
PCT/JP2022/023530 2022-06-10 2022-06-10 バルクフィーダおよびバルクフィーダの整列部材 Ceased WO2023238407A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2022/023530 WO2023238407A1 (ja) 2022-06-10 2022-06-10 バルクフィーダおよびバルクフィーダの整列部材
JP2024526215A JPWO2023238407A1 (https=) 2022-06-10 2022-06-10
CN202290000936.2U CN223379514U (zh) 2022-06-10 2022-06-10 散装供料器及散装供料器的排列部件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/023530 WO2023238407A1 (ja) 2022-06-10 2022-06-10 バルクフィーダおよびバルクフィーダの整列部材

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WO2023238407A1 true WO2023238407A1 (ja) 2023-12-14

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PCT/JP2022/023530 Ceased WO2023238407A1 (ja) 2022-06-10 2022-06-10 バルクフィーダおよびバルクフィーダの整列部材

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Country Link
JP (1) JPWO2023238407A1 (https=)
CN (1) CN223379514U (https=)
WO (1) WO2023238407A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190782A (ja) * 1984-10-11 1986-05-08 大同特殊鋼株式会社 リング状被搬送部材の区分装置
WO2015087440A1 (ja) * 2013-12-13 2015-06-18 富士機械製造株式会社 電子回路部品取出指示データ作成装置および電子回路部品装着機
WO2021095221A1 (ja) * 2019-11-14 2021-05-20 株式会社Ｆｕｊｉ 部品装着機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190782A (ja) * 1984-10-11 1986-05-08 大同特殊鋼株式会社 リング状被搬送部材の区分装置
WO2015087440A1 (ja) * 2013-12-13 2015-06-18 富士機械製造株式会社 電子回路部品取出指示データ作成装置および電子回路部品装着機
WO2021095221A1 (ja) * 2019-11-14 2021-05-20 株式会社Ｆｕｊｉ 部品装着機

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CN223379514U (zh) 2025-09-23

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