WO2023013758A1 - 部品供給装置 - Google Patents

部品供給装置 Download PDF

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Publication number
WO2023013758A1
WO2023013758A1 PCT/JP2022/030049 JP2022030049W WO2023013758A1 WO 2023013758 A1 WO2023013758 A1 WO 2023013758A1 JP 2022030049 W JP2022030049 W JP 2022030049W WO 2023013758 A1 WO2023013758 A1 WO 2023013758A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
stirring member
parts
outlet
air
Prior art date
Application number
PCT/JP2022/030049
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
伸一郎 桑原
純 柏木
Original Assignee
興和株式会社
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 興和株式会社 filed Critical 興和株式会社
Priority to JP2023540424A priority Critical patent/JPWO2023013758A1/ja
Publication of WO2023013758A1 publication Critical patent/WO2023013758A1/ja

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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

Definitions

  • the present invention relates to a parts supply device capable of stably supplying parts by preventing parts clogging in a storage portion.
  • the components handled in Patent Documents 1 and 2 are chip-shaped circuit components, and since the chip-shaped circuit components are relatively light components, the chip-shaped circuit components accumulated near the outlet of the storage part can be agitated by air blasts, but heavier parts are difficult to move by air blasts. If the parts cannot be moved by air, there is a problem that the clogging of the parts near the outlet of the reservoir cannot be eliminated.
  • the present invention has been devised in view of the above problems, and an object of the present invention is to provide a parts supply device capable of stably supplying parts while preventing parts clogging in the storage portion.
  • a parts supply apparatus includes a hopper section for discharging parts to be supplied, a storage section for sending out the parts from a parts outlet while stirring the parts discharged from the hopper section with a stirring member, and the storage section. and an air ejection portion provided near the component outlet of the component outlet for ejecting air that has accumulated near the component outlet to move the component, and the timing of air ejection from the air ejection portion is adjusted according to the position of the stirring member and a control unit for controlling.
  • the stirring member stirs the parts in the storage section by rotational movement about a rotation shaft, and the rotating stirring member causes the parts to stay near the outlet of the parts.
  • the control unit causes the air ejection unit to eject air at a timing when it is detected that the rotating stirring member has reached a predetermined first position near the outlet of the component. It is characterized by performing control.
  • the stirring member is provided with an opening through which the component can pass, at a midpoint from the center of rotation to the tip portion.
  • the control unit rotates the stirring member a predetermined number of times, and then rotates the stirring member a predetermined number of times. It is characterized by performing control so as to temporarily stop the rotational motion of the stirring member.
  • the present invention by controlling the timing of blowing air according to the position of the stirring member, it is possible to stir the parts lifted up by the blowing air with the stirring member. clogging can be prevented.
  • FIG. 4 is an explanatory diagram showing a simplified example of an internal configuration of a hopper section in a component supply device corresponding to at least one embodiment of the present invention
  • FIG. 4 is an explanatory diagram for explaining how the hopper portion of the component supply device according to at least one of the embodiments of the present invention operates
  • FIG. 2 is a perspective view showing in simplified form an example of the configuration of a storage section in a component supply device corresponding to at least one embodiment of the present invention
  • FIG. 5 is an explanatory diagram for explaining how the storing section operates in the component supply device corresponding to at least one of the embodiments of the present invention
  • FIG. 5 is an explanatory diagram for explaining how the storing section operates in the component supply device corresponding to at least one of the embodiments of the present invention
  • FIG. 5 is an explanatory diagram for explaining how the storing section operates in the component supply device corresponding to at least one of the embodiments of the present invention
  • FIG. 5 is an explanatory diagram for explaining how the storing section operates in the component supply device corresponding to at least one of the embodiments of the present invention
  • FIG. 4 is a flow chart diagram showing an example of a control flow of a storage section in a component supply device corresponding to at least one embodiment of the present invention
  • FIG. 1 is a perspective view showing an example of the configuration of a component supply device corresponding to at least one embodiment of the present invention.
  • the component supply device 100 includes a hopper section 10 , a storage section 20 and a component supply path 30 .
  • the storage section 20 for storing the component 50 includes a storage section housing 40 , and the storage section housing 40 is fixed on the pedestal 60 by a fixing plate 70 .
  • the hopper section 10 has a function of discharging the parts 50 to be supplied to the storage section 20 .
  • the hopper section 10 may have any configuration as long as the parts 50 can be supplied to the storage section 20. However, if a large amount of the parts 50 are thrown into the storage section 20 at once, it may cause clogging. It is preferable to have a configuration in which the amount of supply is not excessive.
  • the operation of the hopper unit 10 may be controlled so that the parts 50 are fed into the storage unit 20 by a constant amount.
  • the component 50 may be supplied from the hopper section 10 to the storage section 20 when the amount of the component 50 becomes small.
  • the storage section 20 has a function of stirring the components 50 discharged from the hopper section with a stirring member and feeding the components 50 from the component outlet.
  • the storage section 20 includes a bowl section 21 for storing the components 50 and a stirring member 22 for stirring the components 50 stored in the bowl section 21 .
  • the cylindrical bowl portion 21 is shown, but this is just an example, and the bowl portion 21 may have a shape obtained by cutting a sphere with an arc-shaped bottom surface. When formed in the center of the bowl portion 21, the bowl portion 21 may be conical like a funnel.
  • the stirring member 22 is configured to stir the components 50 in the storage section 20 by rotational movement around the rotating shaft 23 , and the rotating stirring member 22 stirs the components 50 retained near the component outlet 25 .
  • the stirring members 22 are provided in two directions 180 degrees apart from the rotating shaft 23, but this can be set as appropriate.
  • a configuration in which the stirring member 22 is provided at only one location in the radial direction may be employed, or a configuration in which the stirring member 22 is provided at three locations differing by 120° may be employed.
  • the stirring member 22 may be provided with an opening 24 through which the component 50 can pass, in the middle from the center of rotation to the tip.
  • it is preferable to employ a configuration for detecting the position of the tip portion of the stirring member 22 it is preferable to employ a configuration for detecting the position of the tip portion of the stirring member 22 . Any configuration may be used to detect the position of the tip portion of the stirring member 22 .
  • a component outlet 25 is formed through which the component is sent out after moving along the slope inside the bowl portion 21 .
  • This component outlet 25 preferably functions as a gate through which the component 50 can pass only in a predetermined direction. For example, in the case of a part with a different silhouette when the top and bottom are reversed, such as a nut with a flange, it is assumed that you want to feed the part in the same top and bottom direction. It is conceivable to set the part exit 25 that defines the direction in which it can pass.
  • the reservoir 20 is provided with an air ejection part 26 near the part exit for ejecting air that moves the part that has accumulated near the part exit. If a large number of components 50 are accumulated near the component outlet 25 and become stagnant, it causes further accumulation of the components 50 in the accumulation section 20 .
  • the component outlet 25 is provided with a function as a gate through which the component 50 can pass only in a predetermined direction as described above, the component 50 whose orientation does not match cannot pass through the component outlet 25. There is a risk of clogging. Therefore, the accumulation of the parts 50 is eliminated by blowing air from the air blowing part 26 to the parts 50 stagnating near the part outlet 25 . The details of the timing of air ejection will be described later.
  • the component supply path 30 has a function of conveying the component 50 delivered from the component outlet of the storage section 20 to a supply target position.
  • the components 50 delivered from the component outlet 25 are aligned while passing through the alignment passage 31 of the component supply path 30 and delivered from the end portion 32 to the supply target position.
  • the component supply device 100 includes a control section for controlling the rotation of the stirring member 22 and the timing of air ejection from the air ejection section 26 . Details of the control will be described later.
  • FIG. 2 is an explanatory view showing a simplified example of the internal configuration of a hopper section in a component supply device corresponding to at least one embodiment of the present invention.
  • the hopper section 10 includes a component loading space 11 that holds loaded components 50, first and second partition plates 12 and 13 that separate the component loading space 11, and stores the components 50. and an input port 14 for inputting into the unit 20 .
  • the hopper portion 10 in the example shown in FIG. 2 has a height relationship between the end portion (hereinafter referred to as the front end) provided with the inlet 14 and the opposite end portion (hereinafter referred to as the rear end) at predetermined time intervals. It is configured to be driven and controlled so as to reverse.
  • FIG. 3 is an explanatory diagram for explaining the state of operation of the hopper section in the component supply device corresponding to at least one embodiment of the present invention.
  • 3A to 3F show how the hopper section operates.
  • a large number of parts 50 are thrown into the part throwing space 11 at the rear end of the hopper section 10 . Since the state of FIG. 3A is controlled so that the front end of the hopper portion 10 is high and the rear end thereof is low, the hopper portion 10 is inclined so that the internal parts 50 move to the rear end side. are doing.
  • FIG. 3(B) shows a state in which drive control is performed so that the front end of the hopper portion 10 is low and the rear end is high.
  • the hopper section 10 is inclined so that the internal parts 50 move to the front end side, so all the parts 50 move to the front end side.
  • the parts 50 are dispersively moved to the left and right by the first partition plate 12 bent at an angle of approximately 90°, and are held by the second partition plate 13, so that the parts are moved to the loading section 14. never.
  • FIG. 3(C) shows a state in the middle of driving control again so that the front end of the hopper portion 10 is high and the rear end is low
  • FIG. 3(D) shows the front end of the hopper portion 10. It shows a state in which the tip is high and the rear end is low.
  • part of the component 50 held by the second partition plate 13 is returned to the rear end side, and the rest of the component 50 is positioned approximately 90° from the first partition plate 12. Move to the point where it is bent at an angle.
  • FIG. 3(E) shows a state in the middle of driving control again so that the front end of the hopper portion 10 is low and the rear end is high
  • FIG. It shows a state where the rear end is low and the rear end is high.
  • part of the component 50 which has remained at the position where the first partition plate 12 is bent at an angle of approximately 90°, returns to the position of the second partition plate 13, The remainder passes between the two second partition plates 13 and is put into the reservoir 20 from the inlet 14 .
  • the drive control is performed so that the relationship between the heights of the front end and the rear end of the hopper portion 10 is reversed at predetermined time intervals. It is possible to limit the quantity. Further, by changing the lengths and installation positions of the first partition plate 12 and the second partition plate 13, it is possible to adjust the amount of the component 50 to be input from the input port 14. FIG.
  • FIG. 4 is a perspective view showing a simplified example of the configuration of a storage section in a component supply device corresponding to at least one embodiment of the present invention.
  • the reservoir 20 has a cylindrical bowl portion 21 with stirring members 22 arranged in two directions that are 180° apart from each other around a rotating shaft 23, and each stirring member 22 has , an opening 24 through which the component 50 can pass is formed in the middle from the center of rotation to the tip.
  • a part outlet 25 through which the parts are delivered to the end of the movement along the slope inside the bowl part 21. Adjacent to the part outlet 25, air is ejected to move the parts staying near the part outlet. An air ejection portion 26 is provided for this purpose.
  • a component supply path 30 is connected to the component outlet 25 .
  • 5 to 8 are explanatory diagrams for explaining how the storing section in the component supply device according to at least one embodiment of the present invention operates. 5 to 8, the position of the stirring member 22 and the timing of air ejection will be described.
  • FIG. 5 shows a state in which the parts 50 are retained near the part outlet 25 of the storage section 20.
  • FIG. FIG. 5 shows a state in which the tip portion of the counterclockwise rotating stirring member 22 is approaching the location where the components 50 are stagnant.
  • FIG. 6 shows a state in which air is ejected from the air ejection portion 26.
  • Control is performed so that air is jetted from the air jetting portion 26 when the tip portion of the counterclockwise rotating stirring member 22 reaches a preset first position.
  • the first position is set around the 7 o'clock position when the position where the component outlet 25 is installed is set in the 6 o'clock direction.
  • the 7 o'clock position is intended to be just before the stirring member 22 contacts the parts 50 staying near the part outlet 25 .
  • control is executed to eject air from the air ejection portion 26, and the stagnant parts 50 are moved by the air. Immediately after this part 50 is moved, it comes into contact with the stirring member 22 which continues to rotate.
  • FIG. 7 shows a state in which the parts 50 near the part outlet 25 are stirred by the stirring member 22 after the air is jetted. It can be said that the parts 50 in the state after being moved by the air are in a state where the close contact between the parts is eliminated and the parts 50 are easily stirred by the stirring member 22 . A part of the component 50 stirred by the stirring member 22 passes through the opening 24 and returns to the vicinity of the component outlet 25 again, and a part moves from the component outlet 25 to the component supply path 30 .
  • FIG. 8 shows a state in which the tip portion of the stirring member 22 has reached the preset second position and the rotating operation has been temporarily stopped.
  • the rotating operation of the stirring member 22 is controlled to be temporarily stopped.
  • the second position is set around the 2 o'clock position when the component exit 25 is installed in the 6 o'clock direction.
  • the 2 o'clock position is intended to be the position where the component 50 lifted by the tip portion of the stirring member 22 begins to roll along the slope of the bowl portion 21 .
  • the motor may be temporarily stopped at the second position each time, or may be temporarily stopped at the second position only once every predetermined number of rotations, for example, every three rotations.
  • FIG. 9 is a flow chart diagram showing an example of the control flow of the storage section in the component supply device corresponding to at least one embodiment of the present invention.
  • the control process in the storage section 20 is started by starting the rotation process of the stirring member 22 in the control section of the component supply device 100 (step S101).
  • the controller obtains the current position of the tip of the stirring member 22 (step S102).
  • the control unit determines whether or not the position of the tip portion of the stirring member 22 has reached the first position (step S103).
  • the control section causes the air ejection section 26 to eject air (step S104), and proceeds to step S102.
  • step S105 the control unit determines whether or not the position of the tip portion of the stirring member 22 has reached the second position (step S105).
  • step S106 the control unit stops the rotation processing of the stirring member 22 at the second position for a certain period of time (step S106). Then, the control unit restarts the rotation process of the stirring member 22 after a certain period of time has elapsed (step S107), and proceeds to step S102.
  • step S108 determines whether or not a predetermined end condition is satisfied. If it is determined that the predetermined termination condition is not satisfied (S108-N), the control unit proceeds to step S102. When it is determined that the predetermined termination condition is satisfied (S108-Y), the control section terminates the control process in the storage section 20.
  • the predetermined end conditions include elapse of a certain period of time, reaching a predetermined number of rotations of the stirring member 22, non-detection of the component 50 in the hopper section 10 or storage section 20, and the like.
  • the shape of the part outlet 25 is provided as a gate that can pass through only in the correct direction, in order to deliver the part with a different silhouette when inverted, such as a nut with a flange, from the storage part 20 in the correct direction. If the component 50 is oriented in the wrong direction, it cannot pass through the component outlet 25, and the component 50 only stays there. Since it is possible to change the direction of the component 50 and encourage it to pass through the component outlet 25 in the correct direction, the retention of the component 50 can be eliminated and the component 50 can be stably supplied.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Feeding Of Articles To Conveyors (AREA)
PCT/JP2022/030049 2021-08-06 2022-08-05 部品供給装置 WO2023013758A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023540424A JPWO2023013758A1 (de) 2021-08-06 2022-08-05

Applications Claiming Priority (2)

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JP2021-130213 2021-08-06
JP2021130213 2021-08-06

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WO2023013758A1 true WO2023013758A1 (ja) 2023-02-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1171019A (ja) * 1997-06-19 1999-03-16 Murata Mfg Co Ltd 部品整列装置および部品整列方法
JP2003261215A (ja) * 2002-03-08 2003-09-16 Fuji Mach Mfg Co Ltd ストッパ、チップ部品の搬送装置及び供給装置
JP2003341823A (ja) * 2002-05-22 2003-12-03 Denso Corp 部品整列装置
JP2008285301A (ja) * 2007-05-18 2008-11-27 Asmo Co Ltd 物品搬送方法及び物品搬送装置
US20140054132A1 (en) * 2012-08-24 2014-02-27 Ho Chi WONG Vibration feeding apparatus and method
JP2017137135A (ja) * 2016-02-01 2017-08-10 株式会社ヒューブレイン パーツフィーダ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1171019A (ja) * 1997-06-19 1999-03-16 Murata Mfg Co Ltd 部品整列装置および部品整列方法
JP2003261215A (ja) * 2002-03-08 2003-09-16 Fuji Mach Mfg Co Ltd ストッパ、チップ部品の搬送装置及び供給装置
JP2003341823A (ja) * 2002-05-22 2003-12-03 Denso Corp 部品整列装置
JP2008285301A (ja) * 2007-05-18 2008-11-27 Asmo Co Ltd 物品搬送方法及び物品搬送装置
US20140054132A1 (en) * 2012-08-24 2014-02-27 Ho Chi WONG Vibration feeding apparatus and method
JP2017137135A (ja) * 2016-02-01 2017-08-10 株式会社ヒューブレイン パーツフィーダ

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