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WO2020189554A1 - Dispositif d'inspection de récipient - Google Patents

Dispositif d'inspection de récipient Download PDF

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Publication number
WO2020189554A1
WO2020189554A1 PCT/JP2020/011099 JP2020011099W WO2020189554A1 WO 2020189554 A1 WO2020189554 A1 WO 2020189554A1 JP 2020011099 W JP2020011099 W JP 2020011099W WO 2020189554 A1 WO2020189554 A1 WO 2020189554A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
arm
unit
star wheel
inspection device
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/JP2020/011099
Other languages
English (en)
Japanese (ja)
Inventor
悠貴 伊藤
原田　崇
浩明 上野
靖利 田波
中村　洋一
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.)
Toyo Glass Co Ltd
Original Assignee
Toyo Glass Co Ltd
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 Toyo Glass Co Ltd filed Critical Toyo Glass Co Ltd
Priority to CN202080003033.5A priority Critical patent/CN112203958A/zh
Priority to KR1020207032416A priority patent/KR102429663B1/ko
Publication of WO2020189554A1 publication Critical patent/WO2020189554A1/fr
Priority to PH12020552063A priority patent/PH12020552063A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3416—Sorting according to other particular properties according to radiation transmissivity, e.g. for light, x-rays, particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • 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
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/84—Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
    • B65G47/846—Star-shaped wheels or wheels equipped with article-engaging elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • 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
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0235—Containers

Definitions

  • the present invention relates to a container inspection device that intermittently rotates and conveys a container.
  • Patent Document 1 Conventionally, as a container inspection device, there is a device for transporting a container to a plurality of inspection units using an intermittently rotating star wheel disclosed in Patent Document 1.
  • the vibration of the machine base due to the intermittent rotation of the star wheel at high speed may affect the imaging in the inspection section.
  • the present invention has been made to solve at least a part of the above-mentioned problems, and can be realized as the following aspects or application examples.
  • One aspect of the container inspection device is A star wheel that rotates intermittently and has multiple storage units on the periphery to store the container, A discharge unit arranged at a position where the accommodation unit stops, A holding mechanism for holding the container in the accommodating portion in the discharging portion, and An extrusion mechanism that pushes the container out of the discharge section in the discharge direction, A machine base that rotatably supports the star wheel and supports the holding mechanism and the extrusion mechanism in a predetermined position.
  • the holding mechanism includes an arm that can come into contact with the side surface of the container that is conveyed to the discharging portion by the rotation of the star wheel, and an electric motor that rotates the arm to switch the holding mechanism between a closed state and an open state. With, In the closed state, the arm comes into contact with the side surface, and the arm restricts the movement of the container in the discharge direction.
  • the open state is characterized in that the arm rotates to release contact with the side surface.
  • the opening and closing of the arm can be speeded up by the electric motor. Further, according to the container inspection device, since the holding mechanism and the extrusion mechanism are supported at predetermined positions of the machine base, even if the speed of the container inspection device is increased, the shaking of the mechanism can be suppressed and the container can be discharged stably.
  • the holding mechanism includes two rotating shafts erected at a first interval wider than the entire width of the container, the arm fixed to each of the rotating shafts, and an electric motor for rotationally driving the rotating shafts.
  • the arm has a fixed end fixed to the rotating shaft and a free end opposite to the fixed end.
  • the free end of the arm fixed to one of the rotating shafts and the free end of the arm fixed to the other rotating shaft may extend from the respective fixed ends so as to approach each other. it can.
  • the arms fixed to each of the two rotating shafts open and close like a double door, so that the container transported from the discharge unit onto the conveyor can be quickly moved.
  • the stop time of the star wheel at the discharge portion can be shortened.
  • the arm opens in the discharge direction the movement of the container is not hindered, and the self-sustaining stability of the container at the time of high-speed discharge can be improved even if the container shape is easily shaken.
  • Two of the arms are arranged on each of the rotating shafts at a second interval above and below.
  • the two arms consist of a first arm located higher than 1/2 of the total height of the container and a second arm located lower than 1/2 of the total height.
  • the extrusion mechanism can push the container in the discharge direction between the height of the first arm and the height of the second arm.
  • two arms arranged vertically can support two places above and below the side surface of the container, so that even if the container shape is easily shaken, it can be moved from the star wheel to the conveyor in the discharge direction.
  • the self-sustaining stability of the container can be improved during high-speed discharge.
  • the extrusion mechanism is set by the first arm at the upper half of the total height of the container and the second arm at the lower half of the total height of the container while ensuring the self-sustaining stability of the container. By pushing the container between the 1st arm and the 2nd arm, the container can be reliably moved onto the conveyor.
  • the arm has a fixed end fixed to the rotating shaft of the electric motor and a free end opposite to the fixed end. By swinging the arm upward about the rotation axis, the free end moves upward while moving in a direction away from the discharge portion, and the holding mechanism changes from the closed state to the open state. be able to.
  • the opening and closing of the arm can be speeded up while the configuration is simple. Further, by moving the free end in a direction away from the discharge portion instead of simply moving it upward, the force for lifting the container upward can be suppressed, and the self-sustaining stability of the container can be improved.
  • the free end can be on the accommodating portion side stopped at the discharging portion from the fixed end.
  • the free end of the arm is located near the accommodating portion, so that the container in the accommodating portion can be held more reliably.
  • the extrusion mechanism has an extrusion plate that contacts the container of the discharge unit.
  • the extruded plate is constantly urged in the discharge direction.
  • the holding mechanism comes into contact with the container conveyed to the discharging portion in the closed state, the extrusion plate retracts, and the holding mechanism is opened, so that the extrusion plate advances in the discharging direction.
  • the container can be extruded from the housing.
  • the extruded plate constantly urges the container in the discharge direction, so that the container can be quickly discharged.
  • the star wheel includes a first star wheel and a second star wheel which have the same rotation center and are arranged vertically at intervals.
  • the first star wheel is formed with a first through hole that penetrates vertically including the center of rotation.
  • the second star wheel is formed with a second through hole that penetrates vertically including the center of rotation.
  • the extrusion mechanism is provided for a support portion that penetrates the first through hole and the second through hole and stands on the machine base, and the container that is supported by the support portion and stops at the discharge portion. It can be provided with an extrusion plate that moves forward and backward.
  • the container can be stably conveyed by using the two star wheels, and the extrusion plate of the extrusion mechanism is supported by the support portion, so that the advance / retreat movement of the extrusion plate is stable. , The self-sustaining stability of the container can be improved.
  • the container inspection device further includes an inspection unit including an imaging unit for imaging the container.
  • the imaging unit can be fixed to a frame arranged apart from the machine base.
  • the container inspection device since the frame is separated from the machine base where vibration is generated due to the rotation of the star wheel or the like, a highly accurate image can be captured by the imaging unit.
  • the container inspection device is Elevating part and An inspection unit including a light emitting unit that emits light to the container and an imaging unit that images the container irradiated with the light of the light emitting unit.
  • the elevating unit can elevate and elevate the light emitting unit and the imaging unit to an inspection position adjusted to the height of the container conveyed by the star wheel and a maintenance position above the inspection position. ..
  • the container inspection device it is not necessary to remove the light emitting unit and the imaging unit every time maintenance work is performed, so that the work time for returning the light emitting unit and the imaging unit to the predetermined positions after maintenance can be shortened. ..
  • a star wheel that rotates intermittently and has multiple storage units on the periphery to store the container
  • a machine base that rotatably supports the star wheel and A frame that is placed away from the machine base
  • a light emitting unit that hangs down from the frame and emits light to the container.
  • An imaging unit that hangs down from the frame and images the container that is irradiated with the light of the light emitting unit.
  • An elevating unit that raises and lowers the light emitting unit and the imaging unit with respect to the container, It is characterized by having.
  • the container inspection device since the frame is separated from the machine base where vibration is generated due to the rotation of the star wheel or the like, a highly accurate image can be captured by the imaging unit. Further, according to the container inspection device, it is not necessary to remove the light emitting unit and the imaging unit every time the maintenance work is performed, so that the working time for returning the light emitting unit and the imaging unit to the predetermined positions after the maintenance is increased. Can be shortened.
  • the stop time of the star wheel at the discharge portion can be shortened. According to one aspect of the container inspection device according to the present invention, since the frame is separated from the machine base where vibration is generated, a highly accurate image can be captured by the imaging unit.
  • FIG. 1 is a plan view of the container inspection device according to the present embodiment.
  • FIG. 2 is a front view of the first discharge portion of the container inspection device according to the present embodiment.
  • FIG. 3 is a partially enlarged view of a plan view of the container inspection device according to the present embodiment.
  • FIG. 4 is a partially enlarged view of a plan view of the container inspection device according to the modified example.
  • FIG. 5 is a side view of the container inspection device according to the modified example.
  • FIG. 6 is a rear view of the first discharge portion of the container inspection device according to the modified example.
  • FIG. 7 is a front view of the container inspection device in which the imaging unit according to the present embodiment is in the inspection position.
  • FIG. 8 is a front view of the container inspection device in which the imaging unit according to the present embodiment is in the maintenance position.
  • FIG. 9 is a plan view of the elevating part.
  • the container inspection device includes a star wheel that rotates intermittently and has a plurality of accommodating portions for accommodating containers on the periphery, a discharging portion arranged at a position where the accommodating portion stops, and the discharging portion in the accommodating portion.
  • the holding mechanism includes an arm that can come into contact with the side surface of the container that is conveyed to the discharging portion by the rotation of the star wheel, and the holding mechanism is in a closed state and an open state by rotating the arm. In the closed state, the arm contacts the side surface, the arm restricts the movement of the container in the discharge direction, and in the open state, the arm rotates. It is characterized in that the contact with the side surface is released.
  • the container inspection device is arranged with an intermittently rotating star wheel provided with a plurality of accommodating portions for accommodating containers on the periphery, a machine base for rotatably supporting the star wheel, and a machine base separated from the machine base.
  • the light emitting unit and the imaging unit are provided with an elevating unit for raising and lowering the image pickup unit with respect to the container.
  • FIG. 1 is a plan view of the container inspection device 1 according to the present embodiment
  • FIG. 2 is a front view of the first discharge unit 30 of the container inspection device 1 according to the present embodiment
  • FIG. 3 is a front view according to the present embodiment. It is a partially enlarged view of the plan view of the container inspection apparatus 1.
  • the first star wheel 10 is omitted for explaining the first extrusion mechanism 60 and the second extrusion mechanism 62.
  • the container inspection device 1 includes a first star wheel 10 having a plurality of accommodating portions 16 accommodating the container 3 on the peripheral edge 14, and an inspection unit 20 arranged at a position where the accommodating portion 16 stops. , A first discharge unit 30 and a second discharge unit 32.
  • the second discharge unit 32 is adjacent to the first discharge unit 30, but may have another stop position in between.
  • the container inspection device 1 is provided with a first conveyor 40 which is arranged so as to face the first discharge unit 30, and a second conveyor 42 which is arranged so as to face the second discharge unit 32.
  • the second discharge unit 32 may not be provided with the second holding mechanism 52.
  • the container inspection device 1 has the same rotation center 5 as the first star wheel 10 under the first star wheel 10, and is vertically spaced from the first star wheel 10. A second star wheel 12 is provided. Since the container 3 can be held up and down by using the two star wheels, stable transportation can be performed.
  • the first discharge unit 30 discharges the container 3 determined to be a non-defective product by the inspection by the inspection unit 20 to the first conveyor 40
  • the second discharge unit 32 discharges the container 3 determined to be a defective product by the inspection by the inspection unit 20. Is discharged to the second conveyor 42. According to the container inspection device 1, the self-sustaining stability of the non-defective container 3 and the defective container 3 can be improved.
  • the container 3 discharged from the first discharge unit 30 stands on the first conveyor 40 outside the peripheral edge 14.
  • the container 3 discharged from the second discharge unit 32 stands on the second conveyor 42 outside the peripheral edge 14.
  • the container 3 is, for example, a glass bottle.
  • the container 3 has a reverse taper bottle whose body diameter decreases from the neck to the bottom, which is relatively inferior in self-sustaining stability on the first conveyor 40 and the second conveyor 42, and a body diameter which increases from the neck to the bottom. It may be a tapered bottle whose center of gravity of the container 3 is high.
  • many glass bottles are heavier than the container 3 made of other materials, and the vertical weight balance tends to be unbalanced due to the design of the container 3. Therefore, the self-supporting stability of the first holding mechanism 50 and the second holding mechanism 52 Is desired to be improved.
  • the container inspection device 1 includes a control device 7.
  • the control device 7 is a device that performs various calculations and controls, and includes a CPU, a memory (RAM, ROM), and an external storage device that perform calculations and controls, and further includes a monitor, a keyboard, a mouse, and an interface. Can be done.
  • the control device 7 includes at least a control unit 70, a storage unit 72, and a calculation unit 74 as a functional configuration.
  • the calculation unit 74 performs a preset calculation using the program, data, etc. taken out from the storage unit 72, the data taken in from the inspection unit 20, and the like.
  • the calculation unit 74 determines whether all the containers 3 supplied to the container inspection device 1 are non-defective or defective based on the calculation result.
  • the control unit 70 outputs an instruction to discharge the container 3 determined to be a non-defective product from the first discharge unit 30 to the first conveyor 40, and the container 3 determined to be defective is discharged from the second discharge unit 32 to the second conveyor 42. Output the instruction to discharge to.
  • the container inspection device 1 has a first holding mechanism 50 in which the first discharge unit 30 holds the container 3 in the storage unit 16 and a second holding mechanism 50 in which the second discharge unit 32 holds the container 3 in the storage unit 16.
  • a first extrusion mechanism 60 that pushes the container 3 from the mechanism 52 and the first discharge unit 30 into the first direction D1 that is the discharge direction, and a second that pushes the container 3 from the second discharge unit 32 into the second direction D2 that is the discharge direction.
  • the container inspection device 1 includes a machine base 2.
  • the machine base 2 rotatably supports the first star wheel 10 and the second star wheel 12, and defines the first holding mechanism 50, the second holding mechanism 52, the first extrusion mechanism 60, and the second extrusion mechanism 62. Support in position. Since the first holding mechanism 50, the second holding mechanism 52, the first extrusion mechanism 60, and the second extrusion mechanism 62 are supported at predetermined positions on the machine base 2, even if the container inspection device 1 is speeded up, the mechanism does not shake.
  • the container 3 can be discharged stably by suppressing it.
  • the machine base 2 includes a portion that supports the first star wheel 10 and the second star wheel 12, a portion that supports the first holding mechanism 50 and the first extrusion mechanism 60, and a second holding mechanism 52 and a second extrusion mechanism.
  • the portion supporting the 62 may be separated from the portion, or these may be connected and integrated.
  • the first star wheel 10 and the second star wheel 12 intermittently rotate in the horizontal plane to convey the container 3 housed in the housing unit 16 from the inspection unit 20 to the first discharging unit 30.
  • the rotation center 5 of the first star wheel 10 and the second star wheel 12 extends from the machine base 2 in the vertical direction.
  • the peripheral edge 14 has eight accommodating portions 16, and the container 3 is held in each of the accommodating portions 16 and transported to eight stopping positions.
  • the number of accommodating portions 16 and the number of stop positions are not limited to eight, and can be appropriately set according to the processing capacity of the container inspection device 1. Since the second discharge unit 32 discharges the container 3 that was not discharged onto the first conveyor 40 by the first discharge unit 30, the container 3 is housed in the storage unit 16 of the second discharge unit 32 in FIGS. 1 and 3.
  • the accommodating portion 16 is a notch that curves from the peripheral edge 14 of the disc-shaped first star wheel 10 and the second star wheel 12 toward the rotation center 5.
  • Each accommodating portion 16 of the first star wheel 10 is provided with a pair of support rings 17 that support the rotation of the neck portion of the container 3 and suppress the lifting of the container 3.
  • an inspection unit including a supply unit 18 for supplying the container 3 to the container inspection device 1, a first inspection unit 22, a second inspection unit 24, and a third inspection unit 26 for inspecting the container 3 are included. 20, a first discharge unit 30, and a second discharge unit 32 are provided.
  • the supply unit 18 may include a screw conveyor that sequentially feeds the container 3 to the accommodating unit 16 that stops at the supply unit 18. The container 3 stopped at each stop position of the inspection unit 20 is subjected to various inspections while rotating around the central axis of the container 3.
  • the first conveyor 40 conveys the container 3 extruded from the accommodating portion 16 by the first extrusion mechanism 60 by the first discharging unit 30 to the first direction D1 away from the first discharging unit 30 in a self-supporting state.
  • the first direction D1 is the discharge direction of the container 3.
  • the second conveyor 42 conveys the container 3 extruded from the accommodating section 16 by the second extrusion mechanism 62 by the second discharging section 32 to the second direction D2 away from the second discharging section 32 in a self-supporting state.
  • the second direction D2 is the discharge direction of the container 3.
  • the first conveyor 40 and the second conveyor 42 can be belt conveyors that intermittently or continuously circulate and drive the endless belt, and in the present embodiment, they are continuously circulated and driven.
  • the first conveyor 40 and the second conveyor 42 convey the container 3 on its upper surface in a self-supporting state.
  • the first conveyor 40 extends from directly below the accommodating portion 16 in the first discharging portion 30 to the outside of the peripheral edge 14, and the second conveyor 42 extends from directly below the accommodating portion 16 in the second discharging portion 32 to the outside of the peripheral edge 14.
  • the container 3 When the container 3 is conveyed to the first discharge unit 30, the container 3 is arranged on the first conveyor 40, and when the container 3 is conveyed to the second discharge unit 32, the container 3 is placed on the second conveyor 42.
  • the first conveyor 40 extends below the container 3 that stops at the first discharge unit 30, but the extruded container 3 is provided by arranging the first conveyor 40 facing the first discharge unit 30. It suffices if it is delivered in a self-supporting state.
  • the first conveyor 40 may extend from the outside of the peripheral edge 14 in the first direction D1.
  • the second conveyor 42 may extend in the second direction D2 from the outside of the peripheral edge 14, for example.
  • the container 3 may be pushed by the first extrusion mechanism 60 and the second extrusion mechanism 62 and shake to lack self-sustaining stability. .. If the container 3 falls on the first conveyor 40 or the second conveyor 42, the container inspection device 1 is urgently stopped, so that the processing capacity of the container inspection device 1 per unit time is significantly reduced. Therefore, it is important to stabilize the movement of the container 3 from the first discharge unit 30 (second discharge unit 32) to the first conveyor 40 (second conveyor 42).
  • the container inspection device 1 includes a first holding mechanism 50 and a second holding mechanism 52 as holding mechanisms, but since the basic configuration is the same for both mechanisms, the first holding mechanism 50 is mainly provided. Will be described.
  • the first holding mechanism 50 has at least one arm that can come into contact with the side surface of the container 3 that is conveyed to the first discharge unit 30 by the rotation of the first star wheel 10 and the second star wheel 12. And an electric motor 57 that rotates the arm to switch the first holding mechanism 50 between the closed state and the open state.
  • the arm comes into contact with the side surface of the container 3, and the arm restricts the movement of the container 3 in the first direction D1.
  • the arm rotates to release the contact with the side surface of the container 3.
  • the first holding mechanism 50 is a first rotating shaft 53 and a first rotating shaft 53, which are two rotating shafts erected at a first interval W1 wider than the total width W of the container 3 with the first conveyor 40 interposed therebetween.
  • the first arm 55 and the second arm 56 which are two arms arranged with a second interval W2 above and below each of the two rotation shafts 54, the first rotation shaft 53, and the second rotation shaft 54, and the second arm.
  • It includes an electric motor 57 that rotationally drives the first rotating shaft 53 and the second rotating shaft 54.
  • the electric motor 57 can speed up the opening and closing of the first arm 55 and the second arm 56.
  • the first arm 55 and the second arm 56 arranged vertically can hold two places above and below the side surface of the container 3, even if the container shape is easily shaken, the first star wheel 10 and the second star wheel 12 can be used.
  • the self-sustaining stability of the container 3 can be improved when moving onto the first conveyor 40.
  • two arms are arranged vertically, but the present invention is not limited to this, and one arm may be used for each rotation axis.
  • the first arm 55 and the second arm 56 fixed to the first rotating shaft 53 and the second rotating shaft 54 are opened and closed like a double door, so that the first discharging unit 30 moves onto the first conveyor 40.
  • the container 3 to be transported can be moved quickly.
  • the stop time of the star wheel in the first discharge unit 30 can be shortened. Further, since the first arm 55 and the second arm 56 open in the first direction D1, the movement of the container 3 is not hindered, and the self-sustaining stability of the container 3 at the time of high-speed discharge is improved even if the container shape is easily shaken. it can.
  • the first direction D1 is the direction in which the container 3 is pushed out from the accommodating portion 16 by the first extrusion mechanism 60, which is the same as the transport direction of the first conveyor 40.
  • the first rotating shaft 53 and the second rotating shaft 54 are erected with the first conveyor 40 interposed therebetween.
  • the lower ends of the first rotating shaft 53 and the second rotating shaft 54 are connected to the electric motor 57, respectively, and extend upward in the vertical direction, and the upper ends thereof are rotatably supported near the height of the neck of the container 3.
  • the electric motor 57 is provided on each of the first rotating shaft 53 and the second rotating shaft 54, and the output of one electric motor 57 is used separately for the rotation of the first rotating shaft 53 and the second rotating shaft 54. You may.
  • the electric motor 57 can reciprocate around the first rotating shaft 53 and the second rotating shaft 54 at an angle of 90 degrees.
  • the electric motor 57 can be a servo motor. By adopting the servomotor, the first rotating shaft 53 and the second rotating shaft 54 can be rotated at high speed.
  • the electric motor 57 can rotate the first rotating shaft 53 and the second rotating shaft 54 to switch the first arm 55 and the second arm 56 between the closed state and the open state.
  • the contact portions 554 of the first arm 55 and the second arm 56 each come into contact with the side surface of the container 3 in the first discharge portion 30, and the movement of the container 3 in the first direction D1 is restricted.
  • the first arm 55 and the second arm 56 rotate toward the first conveyor 40 to allow the container 3 to move from the first discharge unit 30 to the first direction D1.
  • the first arm 55 and the second arm 56 open and close in a double door in the front view of FIG. 2 by turning around the first rotation shaft 53 and the second rotation shaft 54.
  • the first arm 55 and the second arm 56 are adjacent to a fixed end 550 fixed to the first rotating shaft 53 or the second rotating shaft 54, a free end 552 opposite to the fixed end 550, and a free end 552, respectively. It has a contact portion 554 shown in FIG.
  • the free ends 552 of the first arm 55 and the second arm 56 fixed to one first rotating shaft 53, and the free ends 552 of the first arm 55 and the second arm 56 fixed to the other second rotating shaft 54.
  • the first arm 55 and the second arm 56 are bent plate-like bodies made of synthetic resin, respectively.
  • the material of the first arm 55 and the second arm 56 is preferably made of a synthetic resin that is easy to process, but the material is not limited to the synthetic resin as long as it does not damage the side surface of the container 3.
  • the member that comes into contact with the surface of the container 3 is made of a material that does not damage the first arm 55 or the like, and that the other members are made of a material such as metal used for a machine. Can be used.
  • the first arm 55 is at the first height H1 which is higher than 1/2 of the total height H of the container 3 stopped at the first discharge unit 30.
  • the second arm is at a second height H2, which is lower than 1/2 of the total height H of the container 3.
  • the first extrusion mechanism 60 can push the container 3 toward the first conveyor 40 at a height between the first height H1 of the first arm 55 and the second height H2 of the second arm 56. ..
  • the first arm 55 located in the upper half of the total height H of the container 3 and the second arm 56 located in the lower half of the container 3 ensure the self-sustaining stability of the container 3, and the first extrusion mechanism 60 is the first arm.
  • the container 3 By pushing the container 3 between the 55 and the second arm 56, the container 3 can be reliably moved onto the first conveyor 40 outside the peripheral edge 14. It is preferable that the height of the extrusion plate 65 of the first extrusion mechanism 60 is set to the height of the center of gravity of the container 3 in order to enhance the self-sustaining stability of the container 3. Further, when one arm is provided for each rotation shaft, it is desirable that the first extrusion mechanism 60 pushes the container 3 at substantially the same height as the arm.
  • the free ends 552 of the first arm 55 and the second arm 56 are on the accommodating portion 16 side stopped at the first discharging portion 30 from the fixed end 550 in the closed state.
  • the free end 552 is on the accommodating portion 16 side stopped at the first discharging portion 30 from the virtual straight line connecting the first rotating shaft 53 and the second rotating shaft 54 in the closed state. Since the free end 552 is located close to the accommodating portion 16, the container 3 can be more reliably held in the accommodating portion 16 in the closed state. Therefore, in the closed state, the fixed end 550 is located farther from the accommodating portion 16 than the free end 552. Since the fixed end 550 is located away from the accommodating portion 16, the container 3 conveyed by the rotation of the first star wheel 10 and the fixed end 550 do not come into contact with each other.
  • the first interval W1 can be adjusted by the first interval adjusting mechanism 58 according to the total width W of the container 3.
  • the first interval adjusting mechanism 58 includes a handle 580 and two sets of ball screw mechanisms 582.
  • the screw shaft is common, and the two electric motors 57 fixed to the nut move close to each other or separate from each other by turning the handle 580 to rotate the screw shaft. Therefore, according to the first interval adjusting mechanism 58, the first interval W1 of the first rotating shaft 53 and the second rotating shaft 54 fixed to the electric motor 57 can be changed.
  • the second interval W2 can be changed according to the total height H of the container 3 and the weight distribution above and below the container 3.
  • An elongated hole 59 extending in the vertical direction is formed in the first rotating shaft 53 and the second rotating shaft 54.
  • a fixing end 550 is fixed to the elongated hole 59 with a mounting bolt. By loosening the mounting bolt of the fixed end 550 and moving the mounting bolt along the elongated hole 59, the first arm 55 and the second arm 56 can be moved along the elongated hole 59. For example, when the total height H of the container 3 is high, the first arm 55 and the second arm 56 are moved upward, and when the total height H of the container 3 is low, the first arm 55 and the second arm 56 are moved downward.
  • the second holding mechanism 52 in the second discharging unit 32 shown in FIGS. 1 and 3 has basically the same configuration as the first holding mechanism 50, and switches between a closed state and an open state.
  • the second extrusion mechanism 62 acts on the container 3 in the second discharge unit 32 to push the container 3 in the second direction D2 and move it onto the second conveyor 42. Since the first rotating shaft 53, the second rotating shaft 54, the first arm 55, the second arm 56, and the electric motor 57 of the second holding mechanism 52 have the same configurations and functions as the respective members of the first holding mechanism 50. , Duplicate description is omitted.
  • the extrusion mechanism will be described with reference to FIGS. 1 to 3.
  • the container inspection device 1 includes a first extrusion mechanism 60 and a second extrusion mechanism 62 as extrusion mechanisms, but since the basic configurations are the same, the first extrusion mechanism 60 will be mainly described. ..
  • the first extrusion mechanism 60 includes a support portion 64 erected on the machine base 2 and an extrusion plate 65 supported by the support portion 64.
  • the extrusion plate 65 moves back and forth with respect to the container 3 stopped at the first discharge unit 30.
  • the second extrusion mechanism 62 includes an extrusion plate 65 supported by the support portion 64.
  • the extrusion plate 65 moves back and forth with respect to the container 3 that stops at the second discharge unit 32. Since the extruded plate 65 is supported by the support portion 64, the advancing / retreating movement of the extruded plate 65 is stable, and the self-sustaining stability of the container 3 can be improved.
  • the extrusion plate 65 of the first extrusion mechanism 60 comes into contact with the container 3 of the first discharge unit 30.
  • the extrusion plate 65 of the first extrusion mechanism 60 is constantly urged in the first direction D1.
  • the extrusion plate 65 retracts in contact with the container 3 conveyed to the first discharge unit 30 with the first holding mechanism 50 closed, and the first holding mechanism 50 is opened.
  • the extrusion plate 65 advances in the first direction D1 and pushes the container 3 out of the accommodating portion 16.
  • the extruded plate 65 constantly urges the container 3 in the discharge direction (first direction D1 and second direction D2), so that the container 3 can be quickly discharged.
  • the first star wheel 10 is formed with a first through hole 11 that penetrates vertically including the rotation center 5.
  • the second star wheel 12 is formed with a second through hole 13 that penetrates vertically including the rotation center 5.
  • the support portion 64 is a columnar rod that penetrates the first through hole 11 and the second through hole 13 and stands on the machine base 2. The lower end of the support portion 64 is fixed to the machine base 2. The first star wheel 10 and the second star wheel 12 rotate around the support portion 64, and the support portion 64 does not rotate.
  • a mounting plate 69a extending in the horizontal direction is fixed to the support portion 64.
  • the mounting plate 69a can be moved in the vertical direction along the support portion 64, and the height of the extruded plate 65 is adjusted by changing the height of the mounting plate 69a.
  • Two slide plates 69b are fixed to the mounting plate 69a.
  • the slide plate 69b can be moved back and forth on the mounting plate 69a along the elongated holes provided in the slide plate 69b by turning the knob 69c to loosen the fixing bolt.
  • By moving the slide plate 69b back and forth it is possible to adjust how much the extrusion plate 65 protrudes from the accommodating portion 16.
  • the extruded plate 65 is arranged so as to project from the tip end portion of the slide plate 69b to the accommodating portion 16 via two extrusion arms 68a and 68b extending so as to intersect the accommodating portion 16 (container 3) side.
  • the extruded plate 65 is constantly urged in the direction of projecting into the accommodating portion 16.
  • the extrusion arm 68a and the extrusion arm 68b are attached to the slide plate 69b via the urging member 66a and the urging member 66b.
  • the urging member 66a urges the extrusion arm 68a with respect to the slide plate 69b in the clockwise direction in FIG. 3, and the urging member 66b urges the extrusion arm 68b with respect to the slide plate 69b in the counterclockwise rotation direction in FIG. Encourage. Therefore, the tips of the extrusion arm 68a and the extrusion arm 68b are constantly urged in the direction of approaching each other.
  • the tip of the extrusion arm 68a is rotatably fixed to the extrusion plate 65.
  • An elongated hole 65a is opened in the extrusion plate 65, the elongated hole 65a receives a cam follower 67 provided at the tip of the extrusion arm 68b, and the cam follower 67 can move along the elongated hole 65a.
  • the extruded plate 65 has a chamfered portion 65b on the side where the container 3 is conveyed by the second star wheel 12 with respect to the extruded plate 65.
  • the chamfered portion 65b has a function of contacting the body portion of the conveyed container 3 and pushing the extruded plate 65 back toward the slide plate 69b.
  • the extruded plate 65 pushed back is constantly urged by the urging members 66a and 66b so as to push the container 3 in the first direction D1.
  • the container 3 is on the first conveyor 40 which is constantly driven toward the first direction D1, and the bottom of the container 3 is in sliding contact with the first conveyor 40.
  • the first arm 55 (and the second arm 56) of the first holding mechanism 50 is in a closed state, and the contact portion 554 of the first arm 55 comes into contact with the container 3 to make an extrusion plate.
  • the container 3 is held in the accommodating portion 16 against the extrusion force of 65.
  • the container 3 When the first arm 55 moves to the position shown by the broken line in FIG. 3 and is opened, the container 3 is extruded in the first direction D1 by the extrusion plate 65 and rides on the first conveyor 40 in the first direction D1. Move to. Since the second arm 56 shown in FIG. 2 arranged below the first arm 55 also operates in the same manner as the first arm 55, the container 3 is placed on the first conveyor 40 while maintaining the self-supporting state of the container 3 more stably. You can move on a conveyor belt.
  • FIG. 4 is a partially enlarged view of a plan view of the container inspection device 1a according to the modified example
  • FIG. 5 is a side view of the container inspection device 1a according to the modified example
  • FIG. 6 is a side view of the container inspection device 1a according to the modified example. It is a rear view of the 1st discharge part 30.
  • the same reference numerals are used for the same configuration as the container inspection device 1 according to the above embodiment, and duplicate description will be omitted.
  • the second discharge unit 32 has the same configuration as the first discharge unit 30, only the first discharge unit 30 will be described here.
  • FIG. 6 since the container 3 is viewed from the accommodating portion side along the first direction D1, the first extrusion mechanism 600 and the like are omitted.
  • the container inspection device 1a has a first holding mechanism 500 that faces the first discharge unit 30 and is supported by the machine base 2.
  • the first holding mechanism 500 includes one arm 560 and an electric motor 570 that swings the arm 560.
  • the electric motor 570 is, for example, a servo motor.
  • the electric motor 570 is fixed to the machine base 2.
  • the arm 560 has a fixed end 561 fixed to the rotating shaft 530 of the electric motor 570 and a free end 562 opposite to the fixed end 561. Between the fixed end 561 and the free end 562, there is a contact portion 564 that contacts the side surface of the container 3 that stops at the first discharge portion 30. The free end 562 is on the accommodating portion 16 side stopped at the first discharging portion 30 from the fixed end 561 in the closed state.
  • the rotation shaft 530 of the electric motor 570 is parallel to the first direction D1 in the plan view of FIG. 4, and is inclined upward toward the first discharge portion 30 in the side view of FIG.
  • the upward inclination is, for example, about 10 to 20 degrees with respect to the horizontal plane.
  • the rotating shaft 530 rotates, the free end 562 moves in an arc around the fixed end 561, and the arm 560 swings.
  • the swing angle is 90 degrees. The swing angle can be changed within a range in which the container 3 can be reliably held in the closed state and does not interfere with the container 3 discharged in the open state.
  • the broken line arrow indicates the opening operation of the arm 560.
  • the free end 562 moves upward while moving in a direction away from the first discharge portion 30.
  • the first holding mechanism 500 changes from the closed state to the open state.
  • the first holding mechanism 500 can speed up the opening and closing of the arm 560 while being simple in configuration. Further, by tilting at least the rotation shaft 530 upward in this way, the free end 562 is not simply moved upward, but is opened while moving away from the first discharge portion 30 to open the container 3. It is possible to reduce the force of lifting upwards and improve the self-sustaining stability of the container 3.
  • the first extrusion mechanism 600 has a mounting plate 690 fixed horizontally to the support portion 64 and a slide that can move back and forth on the mounting plate 690 along the elongated hole 691.
  • a plate 692 and an extruded plate 650 extending from the slide plate 692 toward the accommodating portion 16 (container 3) are provided.
  • the slide plate 692 includes a rail 693 extending in a direction orthogonal to the first direction D1 and a guide 694 extending along the first direction D1.
  • the rail 693 is formed in a concave groove.
  • the guide 694 has a plate shape that protrudes from the upper surface of the slide plate 692 and extends along the first direction D1.
  • the extruded plate 650 has a plate shape extending along the first direction D1, and includes a contact plate 651 at the tip, a sliding groove 653 at the rear end, and an urging member 660 on the upper surface.
  • the contact plate 651 is made of a material that will not be scratched even if it comes into contact with the container, for example, a synthetic resin, and has a chamfered portion 652 on the carry-in side of the container 3.
  • the sliding groove 653 is a notch groove that opens at the rear end of the extrusion plate 650, and is formed so as to extend along the first direction D1.
  • the guide 694 is inserted into the sliding groove 653, and the sliding groove 653 is in sliding contact with the side surface of the guide 694, so that the extrusion plate 650 moves back and forth along the first direction D1.
  • the extruded plate 650 is sandwiched between the upper surface of the slide plate 692 and the holding plate 695 fixed on the guide 694. Therefore, the extrusion plate 650 can move forward and backward by being guided up and down by the slide plate 692 and the pressing plate 695 and guided by the guide 694 in the direction orthogonal to the first direction D1.
  • the urging member 660 includes an extrusion arm 680 urged in the counterclockwise direction in FIG. 3 with respect to the slide plate 692, and a cam follower 670 attached to the tip of the extrusion arm 680.
  • the cam follower 670 can roll and move along the rail 693 in a direction orthogonal to the first direction D1. Therefore, the urging member 660 constantly urges the extrusion arm 680 so that the cam follower 670 moves upward in FIG. 4, and as a result, the extrusion plate 650 to which the urging member 660 is fixed is attached to the slide plate 692. On the other hand, it is always urged to push it in the first direction D1.
  • the contact plate 651 of the extruded plate 650 is pushed out into the accommodating portion 16.
  • the chamfered portion 652 first comes into contact with the side surface of the container 3.
  • the container 3 retracts the extrusion plate 650 while sliding the chamfered portion 652.
  • the cam follower 670 rolls in the rail 693, and the sliding groove 653 is guided by the guide 694 to the state shown in FIG.
  • the urging member 660 rotates the extrusion arm 680 counterclockwise, and the cam follower 670 rolls in the rail 693 upward in FIG. ..
  • the extruded plate 650 is extruded in the first direction D1 along the guide 694, and the contact plate 651 pushes the side surface of the container 3 to quickly discharge the container 3 onto the first conveyor 40.
  • FIG. 7 is a front view of the container inspection device 1 in which the imaging unit 28 according to the present embodiment is in the inspection position
  • FIG. 8 is a front view of the container inspection device 1 in which the imaging unit 28 according to the present embodiment is in the maintenance position
  • FIG. 9 is a plan view of the elevating part 100.
  • the mechanisms on the machine base 2 such as the first star wheel 10 and the second star wheel 12 are omitted.
  • the inspection unit 20 is arranged along the peripheral edge 14 of the first star wheel 10.
  • the frame 110 is arranged so as to surround the periphery of the machine base 2.
  • the frame 110 is formed into a frame by welding a square steel pipe.
  • the frame 110 is arranged apart from the machine base 2.
  • the frame 110 is installed on the same installation surface as the machine base 2, and extends upward to a position higher than the height at which the container 3 is conveyed.
  • An elevating portion 100 is provided at the upper end of the frame 110.
  • the inspection unit 20 takes an image of the light emitting unit 27 hanging from the frame 110 and emitting light to the container 3 and the container 3 hanging from the frame 110 and irradiated with the light of the light emitting unit 27. Part 28 and.
  • the imaging unit 28 is arranged so as to face the light emitting unit 27 with the container 3 interposed therebetween.
  • the image pickup unit 28 may be provided on the light emitting unit 27 side.
  • the light emitting unit 27 and the imaging unit 28 are fixed to the frame 110.
  • the light emitting unit 27 hangs down from the frame 110 and emits light to the container 3.
  • the imaging unit 28 images the container 3 that hangs down from the frame 110 and is irradiated with the light of the light emitting unit 27.
  • the container inspection device 1 has an elevating portion 100 above the transport path of the container 3.
  • the elevating unit 100 elevates and elevates the light emitting unit 27 and the imaging unit 28 with respect to the container 3.
  • the elevating part 100 includes an elevating motor 120, a ball screw mechanism 124, a belt 121 and a gear box 122 that transmit the driving force of the elevating motor 120 to the ball screw mechanism 124, and a screw of the ball screw mechanism 124. It includes three guides 126 hanging from the frame 110 in parallel with the shaft 125.
  • the elevating motor 120 is an electric motor.
  • the elevating part 100 has an inspection position shown in FIG. 7 according to the height of the container 3 conveyed by the first star wheel 10 and the second star wheel 12, and a maintenance position shown in FIG. 8 above the inspection position.
  • the light emitting unit 27 and the imaging unit 28 can be raised and lowered.
  • the light emitting unit 27 and the imaging unit 28 are integrated, and when the screw shaft 125 is rotated by driving the elevating motor 120, the light emitting unit 27 and the imaging unit 28 are guided by the guide 126 to move up and down.
  • the first extrusion mechanism 60 and the second extrusion mechanism 60 fixed to the first star wheel 10, the second star wheel 12, and the support unit 64 are performed. Maintenance work of the extrusion mechanism 62 is difficult.
  • the light emitting unit 27 and the imaging unit 28 are located at the maintenance positions shown in FIG. 8, the workability inside the apparatus is remarkably improved.
  • the light emitting unit 27 and the imaging unit 28 were often removed from the container inspection device 1 every time maintenance work was performed, but once the light emitting unit 27 and the imaging unit 28 are raised to the maintenance position, they cannot be removed. It's done. Therefore, the work time for returning the light emitting unit 27 and the imaging unit 28 to the inspection position again after maintenance can be shortened. Further, by raising the light emitting unit 27 and the like by the elevating unit 100, it becomes easy for the operator to access the container inspection device 1, and it becomes easy for the operator to put in and take out parts and the like. By shortening the time required for maintenance in this way, the time for stopping the production line can also be shortened, and as a result, the productivity of the container 3 can be improved.
  • Maintenance includes, for example, adjustment of each operating portion of the first extrusion mechanism 60 and the like, as well as mold change work when the design of the container 3 is changed. Since the mold change work is a replacement work of parts related to the handling of the container 3, the work is particularly time-consuming.
  • the mold change work in a state where the light emitting portion 27 and the like are raised by the elevating portion 100, for example, after removing the support portion 64 from the machine base 2, the first star wheel 10 and the second star wheel 12 are removed together. A new set of the first star wheel 10 and the second star wheel 12 according to the changed design of the container 3 is attached. After this attachment, the light emitting portion 27 and the like are returned to the inspection position by the elevating portion 100 again to complete the mold change work. It was also confirmed by experiments by the inventors that the time required for the mold change work can be reduced to less than half by adopting the elevating part 100 as compared with the conventional device without the elevating part 100.
  • the elevating part 100 may further include an elevating handle 130.
  • the elevating handle 130 hangs down from the frame 110 and is arranged above the container 3.
  • the elevating handle 130 is connected to the belt 121 via a pulley.
  • the ball screw mechanism 124 can be driven via the belt 121 and the gear box 122 to elevate the light emitting unit 27 and the imaging unit 28.
  • the elevating handle 130 By having the elevating handle 130, the light emitting unit 27 and the imaging unit 28 can be elevated even when the elevating motor 120 fails or power is not supplied to the elevating motor 120.
  • the elevating unit 100 is not limited to the ball screw mechanism 124, and a known linear motion mechanism that elevates and elevates the light emitting unit 27 and the imaging unit 28 may be adopted instead of the ball screw mechanism 124.
  • the present invention is not limited to the above-described embodiment, and various modifications can be made, including a configuration substantially the same as the configuration described in the embodiment.
  • the "same configuration" is a configuration having the same function, method, and result, or a configuration having the same purpose and effect.
  • the present invention also includes a configuration in which a non-essential part of the configuration described in the embodiment is replaced. Further, the present invention includes a configuration that exhibits the same action and effect as the configuration described in the embodiment or a configuration that can achieve the same object.
  • the present invention also includes a configuration in which a known technique is added to the configuration described in the embodiment.
  • Ball screw mechanism 125 ... Screw shaft, 126 ... Guide, 130 ... Lifting handle, D1 ... 1st direction, D2 ... 2nd direction, H ... Overall height, H1 ... 1st height, H2 ... 2nd height, W ... Overall width, W1 ... 1st interval, W2 ... 2nd interval

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Abstract

La présente invention permet de réduire le temps d'arrêt d'une roue en étoile dans une unité de décharge. Le dispositif d'inspection de récipient (1) selon l'invention comprend une première roue en étoile (10), une première unité de décharge (30), un premier mécanisme de maintien (50), un premier mécanisme d'extrusion (60) et un bâti de machine (2). Le premier mécanisme de maintien (50) est pourvu : d'un premier bras (55) et d'un second bras (56) capables d'entrer en contact avec la surface latérale d'un récipient (3) qui est transporté vers la première unité de décharge (30) en raison de la rotation de la première roue en étoile (10) ; et un moteur électrique (57) qui fait tourner le premier bras (55) et le second bras (56) pour faire transiter le premier mécanisme de maintien (50) entre un état fermé et un état ouvert. Dans l'état fermé, le premier bras (55) et le second bras (56) entrent en contact avec la surface latérale du récipient (3) et limitent le mouvement du récipient (3) dans une première direction (D1). Dans l'état ouvert, le premier bras (55) et le second bras (56) tournent et se détachent de la surface latérale du récipient (3).
PCT/JP2020/011099 2019-03-20 2020-03-13 Dispositif d'inspection de récipient Ceased WO2020189554A1 (fr)

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CN202080003033.5A CN112203958A (zh) 2019-03-20 2020-03-13 容器检查装置
KR1020207032416A KR102429663B1 (ko) 2019-03-20 2020-03-13 용기 검사장치
PH12020552063A PH12020552063A1 (en) 2019-03-20 2020-11-27 Container inspection device

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JP2019053223A JP7220104B2 (ja) 2019-03-20 2019-03-20 容器検査装置

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WO2022054352A1 (fr) 2020-09-14 2022-03-17 日本精工株式会社 Procédé de détection d'état de dispositif de palier, dispositif de détection et programme
JP7603964B2 (ja) 2020-11-17 2024-12-23 株式会社Ｉｌファーマパッケージング 物品選別装置
JP7274026B1 (ja) 2022-07-05 2023-05-15 株式会社ジーテクト プレス機

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KR20200142042A (ko) 2020-12-21
JP2020153845A (ja) 2020-09-24
JP7382475B2 (ja) 2023-11-16
TW202040122A (zh) 2020-11-01
KR102429663B1 (ko) 2022-08-05
PH12020552063A1 (en) 2021-05-31

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