WO2023053986A1 - Dispositif de tri d'articles et dispositif d'inspection d'articles - Google Patents

Dispositif de tri d'articles et dispositif d'inspection d'articles Download PDF

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Publication number
WO2023053986A1
WO2023053986A1 PCT/JP2022/034519 JP2022034519W WO2023053986A1 WO 2023053986 A1 WO2023053986 A1 WO 2023053986A1 JP 2022034519 W JP2022034519 W JP 2022034519W WO 2023053986 A1 WO2023053986 A1 WO 2023053986A1
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WO
WIPO (PCT)
Prior art keywords
inspection
transport path
article
capsule
guide portion
Prior art date
Application number
PCT/JP2022/034519
Other languages
English (en)
Japanese (ja)
Inventor
亨輔 池内
Original Assignee
クオリカプス株式会社
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 クオリカプス株式会社 filed Critical クオリカプス株式会社
Publication of WO2023053986A1 publication Critical patent/WO2023053986A1/fr

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    • 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
    • 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
    • B65G47/34—Devices for discharging articles or materials from conveyor 
    • B65G47/46—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points

Definitions

  • the present invention relates to an article sorting device and an article inspection device.
  • a tablet appearance inspection device disclosed in Patent Document 1 is known. This device captures an image of a flat tablet while it is held in a holding pocket of a conveying drum and conveyed by an image pickup device, sorts the flat tablet into a good product or a defective product by a sorting device based on the obtained image data, and discharges it to the outside. is configured to
  • the above-described conventional article inspection device is configured so that the tablets after inspection can be sorted into two types, non-defective products and defective products.
  • the configuration will be complicated and the manufacturing cost will be high.
  • an object of the present invention is to provide an article sorting device and an article inspection device that can sort articles in three directions with a low-cost and compact configuration.
  • the object of the present invention is to provide an article sorting device for sorting articles supplied from a preset supply position in three directions, comprising: a support member; a supported rotating member; and a drive mechanism having an engaging portion that engages with the engaged portion of the rotating member, and rotating the rotating member forward and backward by advancing and retreating the engaging portion.
  • the rotating member has a first guide portion and a second guide portion that face each other and extend in the conveying direction, and the first guide portion and the second guide portion have a non-opposing surface side.
  • a first conveying path and a second conveying path are formed, respectively, and a third conveying path is formed between the facing surfaces of the first guide portion and the second guide portion. , the entrance of any one of the first transport path, the second transport path and the third transport path can be aligned with the supply position.
  • the interval between the first guide portion and the second guide portion is formed so as to widen toward the downstream side in the conveying direction.
  • L1 be the distance from the rotation axis to the engaging portion along a straight line perpendicular to the rotation axis, and let L1 be the distance from the rotation axis to the inlet side edge of the rotation member along the straight line.
  • L2/L1 is preferably 2.0 to 5.0 when L2 is used.
  • the object of the present invention is to provide an inspection section that inspects articles and conveys them to a supply position, a sorting section that sorts the articles conveyed to the supply position by the article sorting apparatus, and the inspection section. and a control device for controlling the operation of the sorting unit based on the inspection result of the above, and the inspection unit selects one of two types of non-defective items and a total of three types of non-defective items as inspection results. This is achieved by an output article inspection device.
  • the article sorting apparatus includes a passage confirmation sensor arranged so as not to detect the passage of the articles sorted as non-defective items, but to detect the passage of the articles sorted into two types other than the non-defective items. Further, it is preferable to have.
  • FIG. 1 is a schematic front view of an article inspection device provided with an article sorting device according to one embodiment of the present invention
  • FIG. FIG. 2 is a cross-sectional view schematically showing a main part of the article inspection apparatus shown in FIG. 1
  • FIG. 2 is a side view of the article sorting device shown in FIG. 1
  • 4 is a cross-sectional view taken along the line BB of FIG. 3
  • FIG. 2 is a block diagram of the article inspection device shown in FIG. 1
  • FIG. FIG. 5 is a cross-sectional view for explaining the operation of the article sorting device shown in FIG. 4
  • FIG. 5 is a cross-sectional view for explaining the operation of the article sorting device shown in FIG. 4
  • FIG. 5 is an enlarged view of a main part of the article sorting device shown in FIG. 4;
  • FIG. 1 is a front view of an article inspection device provided with an article sorting device according to one embodiment of the present invention.
  • the article inspection apparatus 1 shown in FIG. 1 includes an inspection unit 4 that inspects the articles that have been put into the input hopper 2 and supplied from the supply hopper 3, and a sorting unit 6 that distributes the articles inspected by the inspection unit 4. Further, a control device 70 such as a PC (personal computer) and a display device 80 such as a monitor are provided.
  • a control device 70 such as a PC (personal computer) and a display device 80 such as a monitor are provided.
  • the article to be inspected by the article inspection apparatus 1 of this embodiment is the capsule 100 .
  • the capsule 100 is a hard capsule comprising a body 101 and a cap 102. By fitting the cap 102 onto the body 101, it can contain powdery or liquid medicines, foods, and the like. Capsule 100 may be in a state containing contents, or may be in an empty state without containing contents.
  • the inspection unit 4 includes a visual inspection unit 4a that performs a visual inspection of the capsule 100 and a mass inspection unit 4b that performs a mass inspection of the capsule 100.
  • the appearance inspection unit 4a includes a first image pickup device 11, a second image pickup device 21, and a third image pickup device 51, each of which is a line sensor camera or the like for capturing an image of the capsule, and the image pickup positions of these image pickup devices 11, 21, and 51.
  • a first visual inspection roller 10, a second visual inspection roller 20, and a third visual inspection roller 50 are provided for conveying the capsules.
  • the mass inspection unit 4 b includes a weighing device 43 that measures the mass of the capsule placed on the weighing pan 44 and a mass inspection roller 40 that conveys the capsule to the weighing pan 44 .
  • the sorting unit 6 includes an article sorting device 60 that sorts the capsules, which have undergone visual inspection and weight inspection by the visual inspection unit 4a and the mass inspection unit 4b, in three directions, and capsules that have been sorted into non-defective products by the product sorting device 60.
  • a good product conveyor 601 that conveys to the next process, a mass defective product box 602 that collects capsules that have been sorted by the product sorting device 60 with defective mass, and capsules that have been sorted by the product sorting device 60 with poor appearance.
  • a defective product box 603 is provided.
  • FIG. 2 is a cross-sectional view schematically showing the article inspection device shown in FIG.
  • the first appearance inspection roller 10 has a plurality of pockets 12 in which capsules 100 to be inspected are accommodated and formed at equal intervals along the circumferential direction of the outer peripheral surface.
  • the pocket 12 is formed so as to extend radially inward from the outer peripheral surface of the first visual inspection roller 10, and the capsule 100 extends from the supply hopper 3 (see FIG. 1) in the axial direction indicated by the arrow A (the body). 101 and cap 102).
  • the capsule 100 is housed in the pocket 12 in an upright state so that one axial side of the capsule 100 (body 101 side in FIG. 2) is exposed.
  • the one axial side where the capsule 100 is exposed may be the cap 102 side.
  • the capsule 100 stored in the pocket 12 is intermittently driven in the arrow direction of the first visual inspection roller 10 to be conveyed to the imaging position of the first imaging device 11, and the top portion of the capsule 100 on one side in the axial direction is is imaged, it is conveyed along the guide member 13 toward the second appearance inspection roller 20 .
  • the second roller for visual inspection 20 has a plurality of pockets 22 extending radially inward from the outer circumferential surface thereof and formed at regular intervals along the circumferential direction of the outer circumferential surface.
  • the capsule 100 supplied from the first visual inspection roller 10 is stored in the pocket 22 in an upright state so that the other side in the axial direction (the cap 102 side in FIG. 2) is exposed. 20 is intermittently driven in the direction indicated by the arrow, and is transported to the imaging position of the second imaging device 21. After the top of the capsule 100 on the other side in the axial direction is imaged, the capsule 100 is transported along the guide member 23.
  • the mass inspection roller 40 has a plurality of pockets 41 formed at regular intervals along the circumferential direction of the outer peripheral surface. Each pocket 41 is formed horizontally along the rotation axis of the mass inspection roller 40 , and the capsule 100 is placed sideways so that the axial direction of the capsule 100 is parallel to the rotation axis of the mass inspection roller 40 . It is housed in pocket 41 . The capsule 100 in the pocket 41 is conveyed to the weighing pan 44 along the guide member 42 by the intermittent driving of the mass inspection roller 40 in the arrow direction.
  • the weighing pan 44 is formed in a V-shape when viewed from the front so that the center is recessed. 100 mass measurements are taken. After mass measurement, the capsule 100 is conveyed toward the third appearance inspection roller 50 by driving the mass inspection roller 40 .
  • a transfer roller 30 is provided between the second appearance inspection roller 20 and the mass inspection roller 40 .
  • the transfer roller 30 has a plurality of pockets 31 formed at equal intervals along the circumferential direction of the outer peripheral surface. Each pocket 31 accommodates the capsule 100 in an upright state from the second appearance inspection roller 20 , and a portion of the capsule 100 protrudes from the outer peripheral surface of the transfer roller 30 .
  • the capsule 100 accommodated in the pocket 31 abuts against the direction regulating member 32 by intermittently driving the transfer roller 30 in the direction indicated by the arrow. is supplied to the cleaning roller 40 .
  • the transfer roller 30 is not an essential component, and the transfer roller 20 may be provided if the capsule 100 can be laid down when the capsule 100 is supplied from the second appearance inspection roller 20 to the mass inspection roller 40. Alternatively, the capsule 100 may be directly fed without the
  • the third visual inspection roller 50 is formed in a cylindrical shape and is intermittently driven in the arrow direction so as to rotate along the outer circumference of a fixed cylindrical inner cylindrical body 52 .
  • a plurality of pockets 53 consisting of oblong through holes extending along the rotation axis are formed at equal intervals along the circumferential direction, and the pockets 53 are supplied from the mass inspection roller 40 .
  • the capsule 100 is accommodated in the pocket 53 while lying down.
  • a rotating roller 54 partially exposed through a window formed in the inner cylindrical body 52. As shown in FIG.
  • the outer peripheral surface of the rotating roller 54 comes into contact with the capsule 100 that is accommodated in the pocket 53 and transported to the imaging position.
  • the circumference is imaged by the third imaging device 51 .
  • the captured capsule 100 is transported to the supply position P along the guide member 55 .
  • the article sorting device 60 includes a supporting member 64 fixed to a base 61, a rotating member 65 supported rotatably around a rotating shaft 66 with respect to the supporting member 64, and a rotating member 65 rotating. It has a drive mechanism 62 that dynamically drives to sort the capsules 100 and a passage confirmation sensor 63 that detects passage of the sorted capsules 100 .
  • Each pocket 12, 22, 31, 41, 53 provided in the first visual inspection roller 10, the second visual inspection roller 20, the transfer roller 30, the mass inspection roller 40, and the third visual inspection roller 50 are formed along the circumferential direction of each roller, and are formed along the axial direction of each roller.
  • FIG. 3 is a side view showing the article sorting device 60 shown in FIG. 2 together with the third appearance inspection roller 50
  • FIG. 4 is a cross-sectional view taken along line BB in FIG.
  • the pockets 53 formed in the third visual inspection roller 50 are arranged in a plurality of rows at intervals in the axial direction.
  • a plurality of passage confirmation sensors 63 and rotating members 65 are provided corresponding to each row of pockets 53 .
  • the rotating member 65 includes a pair of side plates 651, and a first guide portion 652 and a second guide portion 653 sandwiched between the pair of side plates 651 so as to face each other. and
  • the first guide portion 652 and the second guide portion 653 are formed in a plate shape with a width slightly larger than the axial length of the capsule 100, and extend along the conveying direction.
  • the rotating shaft 66 is fixed to the support member 64 through the pair of side plates 651 and the first guide portion 652 .
  • the rotating member 65 is formed with an elongated engaged portion 654 on the downstream side in the conveying direction of the rotating shaft 66 along the first guide portion 652 .
  • the first guide portion 652 and the second guide portion 653 are provided on the non-opposing surface side opposite to the mutually facing surfaces, along the first transport path T1 and the second transport path T1, respectively.
  • T2 is formed, and a third transport path T3 is formed between the surfaces facing each other.
  • the entrances of the first transport path T1, the second transport path T2, and the third transport path T3 are arranged near the supply position P, and the capsules 100 supplied from the supply position P are shown in FIG. It guides toward a good product conveyor 601, a mass defective product box 602 and an appearance defective product box 603 shown.
  • the support member 64 includes a plurality of support plates 641, 641 arranged on both sides of the rotation member 65 and supporting both ends of the rotation shaft 66, a plurality of support plates 641, 641, A first guide portion 642 , a second guide portion 643 and a cover portion 644 sandwiched between 641 are provided.
  • the first guide portion 642 and the second guide portion 643 of the support member 64 extend downstream of the first guide portion 652 and the second guide portion 653 of the rotating member 65, respectively, to form the first transport path.
  • T1 the second transport path T2 and the third transport path T3 are extended.
  • Each support plate 641 is fixed by a connecting rod 645 extending along the rotation shaft 66 within the first guide portion 642 .
  • the drive mechanism 62 is composed of an electric actuator having a rod 621 that can move back and forth, and is attached to a mounting plate 611 erected on the base 61 .
  • the drive mechanism 62 includes a lever 622 extending forward from the tip of the rod 621 through the notches of the cover portion 644 and the second guide portion 643, and an engaging portion 623 provided at the tip of the lever 622. , and the engaging portion 623 can be advanced and retracted in the horizontal direction.
  • the engaging portion 623 protrudes laterally (in the axial direction of the rotating shaft 66) from the distal end portion of the lever 622, and engages with the long-hole-shaped engaged portion 654 of the rotating member 65 to hold the rotating member. 65 is rotated forward and backward.
  • the configuration of the drive mechanism 62 is not particularly limited as long as it can move the engagement portion 623 forward and backward.
  • the link mechanism may be driven by a servomotor to move the engagement portion 623 forward and backward. .
  • the passage confirmation sensor 63 is installed on the base 61 and detects capsules 100 passing through either the second transport path T2 or the third transport path T3 (see FIG. 2).
  • the passage confirmation sensor 63 of the present embodiment is a retroreflective photoelectric sensor, and the reflector provided in the first guide portion 642 passes through through holes formed in the second guide portion 643 and the cover portion 644. Reception or blockage of reflected light at 632 is detected.
  • the passage confirmation sensor 63 may be another photoelectric sensor such as a reflective sensor, or may be a sensor other than a photoelectric sensor such as an imaging sensor. Since detection by the passage confirmation sensor 63 is blocked by the first guide portion 642, the passage confirmation sensor 63 does not detect the capsules 100 passing through the first transport path T1.
  • FIG. 5 is a block diagram of the article inspection device 1 shown in FIG.
  • the imaging data of the first imaging device 11, the second imaging device 21, and the third imaging device 51 provided in the visual inspection section 4a, and the mass measurement data of the weighing device 43 provided in the mass inspection section 4b are sent to the control device 70.
  • the control device 70 includes a quality determination unit 71 that determines whether the capsules 100 are good or bad, and controls the operation of the sorting device 60 and the display device 80 based on the determination result of the quality determination unit 71 .
  • the capsule 100 includes the first visual inspection roller 10, the second visual inspection roller 20, the transfer roller 30, the mass inspection roller 40 and the third visual inspection roller. 50 are transported in this order.
  • the first imaging device 11 and the second imaging device 21 capture images of the top portions of the capsule 100 on both sides in the axial direction. is imaged.
  • the pass/fail determination unit 71 compares the imaging data of both sides in the axial direction and the entire circumferential direction of the capsule 100 and the mass measurement data of the capsule 100 with the respective reference data, and determines that the capsule 100 is a non-defective product when all are satisfactory. determine that there is On the other hand, the quality determination unit 71 determines that the capsule 100 is defective in appearance when the capsule 100 has a defective appearance, and determines that the capsule 100 is defective in mass when the mass of the capsule 100 is defective.
  • the control device 70 displays the judgment result of the good/bad judgment unit 71 on the display device 80 for each capsule 100, and individually controls the driving of the rotating member 65 of the sorting device 60 to sort the capsules 100. . That is, as shown in FIG. 4, the capsules 100 determined as non-defective products are guided toward the non-defective product conveyor 601 (see FIG. 1) by aligning the entrance of the first transport path T1 with the supply position P. .
  • the control device 70 further retracts the rod 621 of the drive mechanism 62 to further rotate the rotating member 65 in the direction of the arrow.
  • the entrance of the second transport path T2 is aligned with the supply position P. This guides capsule 100 towards mass reject box 602 (see FIG. 1).
  • the capsule 100 passing through the second transport path T2 is detected by the passage confirmation sensor 63 via the through hole 644a formed in the cover portion 644. As shown in FIG.
  • the single driving mechanism 62 and the rotating member 65 provided in the sorting device 60 can reduce the size and cost of the capsule 100 while achieving a compact configuration. It can be distributed in three directions. As a result, it is possible to sort not only good products or defective products, but also defective products into products with defective appearance or mass, and finer sorting according to the determination result can be performed.
  • the capsules 100 can be sorted by a slight rotation of the rotating member 65.
  • the capsules 100 can be distributed at a high speed because the next capsule 100 can be prepared for distributing by rotating while passing.
  • the rotating shaft 66 and the engaged portion 654 are provided on the first guide portion 642 so as not to prevent passage of the capsule 100.
  • the arrangement of the joining portion 654 is not particularly limited.
  • the mass-defective capsule 100 passing through the second transport path T2 and the appearance-defective capsule 100 passing through the third transport path T3 are both detected by the passage confirmation sensor 63 at substantially the same timing. , collection of non-defective capsules 100 can be reliably detected by the single passage confirmation sensor 63 . Therefore, even with this configuration, the size and cost of the sorting device 60 can be reduced.
  • the interval S between the first guide portion 652 and the second guide portion 653 of the rotating member 65 is the narrowest on the entrance side and is formed so as to gradually widen toward the downstream side in the conveying direction. is preferred.
  • the capsules 100 can be smoothly passed through any of the first transport path T1, the second transport path T2 and the third transport path T3 (see FIG. 2), and the capsules 100 can be reliably sorted. be able to.
  • a space S between the first guide portion 652 and the second guide portion 653 is defined as the shortest distance from one inner surface to the other inner surface at each position along the transport direction.
  • the distance from the rotation shaft 66 along a straight line L orthogonal to the rotation shaft 66 to the engaging portion 622 is defined as L1, and the rotation from the rotation shaft 66 along the straight line L is assumed to be L1.
  • the value of L2/L1 is preferably 2.0 to 5.0, more preferably 2.5 to 3.0. If the value of L2/L1 is too small, the amount of movement of the engaging portion 622 required to rotate the rotating member 65 will be large, making it difficult to perform high-speed distribution. If it is too long, the positioning accuracy of the rotating member 65 will be lowered.
  • the engaging portion 622 is arranged on the downstream side of the rotating shaft 66 in the conveying direction, but is arranged on the upstream side of the rotating shaft 66 in the conveying direction (that is, on the entrance side of the rotating member 65).
  • the value of L2/L1 is the above-mentioned value over the entire rotating range of the rotating member 65. It is preferably within the numerical range.
  • the article to be inspected by the article inspection apparatus 1 is not limited to the capsule 100, and the present invention can be applied to inspection of various articles such as other solid preparations such as tablets, electronic parts, and mechanical parts. can do.
  • the inspection unit 4 of the present embodiment is configured to be able to sort out products with defective appearance and defective mass by performing visual inspection and mass inspection.
  • the type of inspection is not limited to visual inspection and mass inspection.
  • the type of inspection by the inspection unit 4 may be one, and the article sorting device 60 may be configured to sort the articles into either non-defective items, defective items, or uninspected items. In this way, the inspection unit 4 can be configured to output any one of two types other than non-defective items and a total of three types of non-defective items as inspection results.
  • the use of the article sorting device 60 is not limited to the sorting of articles after inspection. can also

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sorting Of Articles (AREA)

Abstract

La présente invention concerne un élément formant support (64), un élément tournant (65), et un mécanisme d'entraînement (62). L'élément tournant (65) comprend une première partie de guidage (652) et une seconde partie de guidage (653) se faisant face l'une l'autre et s'étendant dans un sens de transport. Un premier trajet de transport (T1) et un second trajet de transport (T2) sont respectivement formés sur les côtés de surface qui ne se font pas face de la première partie de guidage (652) et de la seconde partie de guidage (653), et un troisième trajet de transport (T3) est formé entre les surfaces se faisant face de la première partie de guidage (652) et de la seconde partie de guidage (653). La rotation de l'élément tournant (65) rend possible l'alignement d'un orifice d'entrée selon l'un quelconque du premier trajet de transport (T1), du second trajet de transport (T2), et du troisième trajet de transport (T3) vers une position d'alimentation (P).
PCT/JP2022/034519 2021-09-30 2022-09-15 Dispositif de tri d'articles et dispositif d'inspection d'articles WO2023053986A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-161108 2021-09-30
JP2021161108 2021-09-30

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WO2023053986A1 true WO2023053986A1 (fr) 2023-04-06

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61248853A (ja) * 1985-04-18 1986-11-06 オランダ国 仕分け装置用スイツチおよびその駆動装置
JPH0577475B2 (fr) * 1988-03-31 1993-10-26 Tdk Electronics Co Ltd
JP2001348152A (ja) * 2000-04-14 2001-12-18 Nexpress Solutions Llc ３路ポイント
JP2019030853A (ja) * 2017-08-09 2019-02-28 株式会社ユタカ 軸体の検査分別装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61248853A (ja) * 1985-04-18 1986-11-06 オランダ国 仕分け装置用スイツチおよびその駆動装置
JPH0577475B2 (fr) * 1988-03-31 1993-10-26 Tdk Electronics Co Ltd
JP2001348152A (ja) * 2000-04-14 2001-12-18 Nexpress Solutions Llc ３路ポイント
JP2019030853A (ja) * 2017-08-09 2019-02-28 株式会社ユタカ 軸体の検査分別装置

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