WO2011033947A1 - 閉袋装置、及び袋詰め装置 - Google Patents

閉袋装置、及び袋詰め装置 Download PDF

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Publication number
WO2011033947A1
WO2011033947A1 PCT/JP2010/065106 JP2010065106W WO2011033947A1 WO 2011033947 A1 WO2011033947 A1 WO 2011033947A1 JP 2010065106 W JP2010065106 W JP 2010065106W WO 2011033947 A1 WO2011033947 A1 WO 2011033947A1
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WO
WIPO (PCT)
Prior art keywords
bag
bag body
flap
article
opening
Prior art date
Application number
PCT/JP2010/065106
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
幸雄 高瀬
健市 杉本
Original Assignee
グンゼ株式会社
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 グンゼ株式会社 filed Critical グンゼ株式会社
Priority to KR1020117031707A priority Critical patent/KR101368558B1/ko
Priority to JP2011531884A priority patent/JP5474989B2/ja
Priority to CN2010800280341A priority patent/CN102470936B/zh
Publication of WO2011033947A1 publication Critical patent/WO2011033947A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/02—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/04—Packaging single articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/02—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
    • B65B7/06—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks by collapsing mouth portion, e.g. to form a single flap
    • B65B7/08—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks by collapsing mouth portion, e.g. to form a single flap and folding

Definitions

  • the present invention relates to a bag closing device and a bag filling device for closing an opening of a bag body such as a packaging bag into which an article is inserted or an envelope.
  • Patent Document 1 An apparatus for inserting an article into a bag is disclosed in Patent Document 1.
  • the bag body has a flap (a marginal portion) extending from the lower edge of the opening.
  • An apparatus for folding a flap of a bag body and bonding it to the bag body is disclosed in Patent Document 2.
  • the apparatus of Patent Document 2 is configured to press a brush attached to a roller that rotates above the bag body, after the flap is folded back to the bag body. Thereby, the flap can be brought into close contact with the bag body regardless of the deformation of the bag body, and the opening can be satisfactorily sealed.
  • the flap 105 is folded back to the bag body 103 in order to close the opening 104 of the bag body 103 into which the article 102 having the curved edge portion 100 is inserted.
  • the portions 106 near both sides of the opening 104 are deformed following the edge 100 of the article 102, so that it is difficult to fold the flap 105 with a linear fold.
  • the flap 104 is wrinkled, the appearance of the packaged article 102 as a product is impaired.
  • an object of the present invention is to provide a bag closing device and a bag filling device that can fold back a flap of a bag body with a linear fold regardless of the shape of an article inserted into the bag body.
  • the present invention relates to a bag closing device for folding back a flap extending from an opening of a bag body and having a base portion connected to the opening to the bag body, the guide bar being positioned at the base portion of the flap, and the flap. And a folding operation means for moving the folding bar in a direction opposite to the direction in which the flap extends. The folding bar is moved by the folding operation means, and the flap is moved to the guide bar. It is bent to the direction which folds it in the said bag body as a fulcrum.
  • the present invention supports a bag body in which the base portion of the flap is connected to the opening portion and the flap extends from the opening portion in a direction perpendicular to the width direction of the bag body in a horizontal posture, and the flap is supported.
  • a bag closing device that folds back to the bag body, the standing means for raising the flap of the bag body, a pair of guide bars that are positioned at the base of the flap and extend in the width direction, and the pair of guide bars.
  • Guide bar opposing moving means for moving the width direction in opposite directions, a folding bar extending in the width direction, and a folding operation means for moving the folding bar forward or backward in a direction perpendicular to the width direction
  • the guide bar facing moving means moves the pair of guide bars in a direction approaching each other, and the folding bar advanced by the folding operation means is a frame raised by the standing means.
  • the guide bar is bent in a direction to be folded back to the bag body with the guide bar as a fulcrum, and the guide bar facing moving means moves the pair of guide bars in a direction away from each other, thereby moving the pair of guide bars from the flap. It is made to detach.
  • the present invention further includes guide bar lifting / lowering means for lifting and lowering the pair of guide bars, and the guide bar lifting / lowering means moves the pair of guide bars when the guide bar opposing movement means brings the pair of guide bars closer to each other.
  • the guide bar lifting means moves the pair of guide bars above the bag body. It is characterized by a high rise.
  • the present invention comprises: a sandwich piece that faces the folding bar and moves forward or backward together with the folding bar by the folding operation means; and an opening / closing means that opens and closes between the folding bar and the sandwich piece.
  • the flap that is sandwiched between the folding bar and the sandwiching piece, the flap that is erected by the standing means is inserted between the folding bar and the sandwiching piece, and the opening / closing means closes the gap between the sandwiching piece and the folding bar.
  • the flap is folded back to the bag body by pulling the folding bar in accordance with the advancement of the folding bar, and the tensioning force generated in the direction in which the folding bar moves backward as a reaction force of the pulling to the flap.
  • the flap is pulled out from between the folding bar.
  • the contact plate disposed above the bag body in a posture in which the tip is directed to the opening of the bag body, and the contact plate is moved in a direction in which the folding bar moves forward or backward.
  • Contact plate advance / retreat means for moving the contact plate in a direction in which the folding bar moves backward, and the tip of the contact plate is brought close to the opening of the bag body.
  • the contact plate advance / retreat means moves the contact plate in a direction in which the folding bar advances, whereby the bag body and the folding bar are moved.
  • the abutting plate is retracted from between the flaps that are folded back as the head advances.
  • the present invention is characterized in that the folding bar has an elastic member that is in sliding contact with the flap folded back on the bag.
  • the present invention transports a film having edges on both sides in the width direction in the longitudinal direction, and the other edge extends from one edge of the both edges along the width direction of the film.
  • a film supply means that is folded in two so as to come out, and a heat cutter that extends in the width direction of the film is pressed in the middle of the longitudinal direction of the film, and the films that are overlapped in the half fold are welded together by the heat of the heat cutter, and
  • a bag making apparatus, an insertion apparatus for inserting an article into the bag, and a bag closing apparatus according to any one of claims 1 to 5.
  • the present invention includes a bag body conveying means for conveying a bag body formed by the bag making apparatus, and the insertion device reciprocally moves the slider forward or backward in the horizontal direction;
  • a driven holder connected to the slider so as to be movable up and down and holding the pusher; a support for supporting an article at the same height as the bag; a linear rail for guiding the driven holder in a horizontal direction; and the driven holder.
  • a cam rail that guides the linear rail upward, and the bag transport means transports the bag to a position where the opening of the bag faces an article supported by the support, and the slider advances.
  • the driven holder In the process in which the height of the driven holder is positioned by the linear rail so that the height of the pusher matches the article, and the slider moves backward.
  • the driven holder characterized in that the increase in accordance with the cam rail.
  • the present invention includes a bag body transporting unit that transports a bag body formed by the bag making apparatus, wherein the insertion device receives a flexible article slidably in a horizontal direction, and above the article.
  • a contact surface member arranged on the surface, a contact surface member lifting / lowering means for moving the contact surface member up and down, a pressing plate pressed against the article from the horizontal direction, and the pressing plate according to the contact surface member in the horizontal direction.
  • the member is positioned at a height close to the article, the horizontal movement means moves the contact member to a position to enter the opening of the bag body, and the article is opened by the push plate. It is characterized by being immersed in the club .
  • the folding operation means moves the folding bar so that the flap is bent with the guide bar as a fulcrum and folded back to the bag body. Can do. For this reason, even if the bag body is deformed into a strain at the stage when the article is inserted, the flap base portion can be folded back at the fold along the guide bar so that the flap can be brought into close contact with the bag body. For example, if an adhesive is previously attached to the bag body, a flap can be adhered to the bag body, and the opening of the bag body can be satisfactorily sealed.
  • the bag closing device can complete the operation of folding the flap and the operation of bringing the flap into close contact with the bag at the same time, so the number of bags that can be sealed per predetermined time is reduced. It is advantageous to increase.
  • the guide bar lifting means lowers the pair of guide bars, so The guide bar can be positioned. Further, when the flap is folded back on the bag body, the guide bar is wound inside the flap. In this state, the guide bar facing moving means moves the pair of guide bars away from each other in the width direction, whereby the pair of guide bars can be extracted from the inside of the folded flap as described above. Further, since the guide bar raising / lowering means can raise the pair of guide bars higher than the bag body, the pair of guide bars can be released above the bag body when the bag body is conveyed by the bag body conveying means.
  • the flap raised by the standing means is entered between the sandwich piece and the folding bar, and the opening / closing means closes the gap between the sandwich piece and the folding bar.
  • a flap can be sandwiched between them.
  • the flap can be folded back into the bag body by pulling the flap according to the advance of the folding bar.
  • the flap that bends as the folding bar advances due to the tension generated in the direction in which the folding bar moves backward is pulled out relatively between the sandwiching piece and the folding bar when it is folded over the bag. It is.
  • the said bag closing apparatus has the advantage that there are few man-hours of the operation
  • the contact plate advance / retreat means moves the contact plate in the direction in which the folding bar moves backward, and brings the tip of the contact plate close to the opening of the bag body.
  • the contact plate advancing / retreating means makes contact between the flap folded back to the bag body and the bag body by moving the contact plate in the direction of advancement of the folding bar.
  • the board can be retracted and both can be brought into close contact.
  • the elastic member is elastically deformed following the bag body while being in sliding contact with the flap in a state where the flap is folded back into the bag body deformed as described above. Since the elastic member elastically deformed in this way uniformly presses the entire area of the flap against the bag body, the bag body and the flap can be adhered in an airtight manner.
  • the film supply means sends out the film in a shape that is folded in two in the width direction, so that it is possible to make a bag by simply replacing the film with a different size in the width direction.
  • the depth of the opening of the bag formed by the apparatus can be set as desired.
  • variety of the opening part of a bag body can be set as desired only by adjusting the space
  • the bagging apparatus according to the present invention can form a bag body so that articles of any shape or size can be inserted, and the article is inserted into the bag body from the step of forming such a bag body. Furthermore, the process until the bag is closed can be performed in a unified manner.
  • FIG. 16 of the insertion apparatus (A) is a schematic diagram explaining an example of operation of an insertion device concerning Example 2 of the present invention paying attention to the introduction part of the guide rail, and (b) is a schematic diagram explaining other examples.
  • (A) is a schematic diagram explaining an example of operation of an insertion device concerning Example 2 of the present invention paying attention to the sending part of the guide rail, and (b) is a schematic diagram explaining other examples.
  • the top view of the principal part of the insertion apparatus which concerns on Example 3 of this invention Schematic which shows the 1st process of the operation
  • the top view explaining the conventional process in which the flap of the bag body in which the article was inserted is turned back.
  • Example 1 the bag closing apparatus of the present invention will be described. Further, in Examples 2 and 3, a bag filling apparatus including the bag closing apparatus described in Example 1 will be described.
  • FIG. 1 is a schematic diagram of elements constituting a bag closing device 5 that folds back a flap 3 of a bag body 1, and some of the elements are omitted for convenience of explanation, or are represented by dimensions different from actual ones.
  • the flap 3 may be a thin piece having its tip extended from the opening 7.
  • a portion connected to the lower edge of the opening 7 of the flap 3 is hereinafter referred to as a base 11.
  • the flap 3 has a flat shape extending from the opening 7 in the direction of arrow e when no external force is received from the cam rail 13.
  • the bag closing device 5 includes a guide bar 15 that is positioned at the base 11 of the flap 3, a folding bar 17 that engages with the flap 3, and a folding operation means 18 that moves the folding bar 17 in the directions of arrows e and f.
  • the flap 3 is made to follow the folding bar 17 that moves in the direction of the arrow f, and the flap 3 is bent in the direction of the arrow f.
  • Arrows e and f point in directions opposite to each other and point in a direction orthogonal to the arrow W indicating the width direction of the bag body 1.
  • the bag closing device 5 has a cam rail so that the flap 3 of the bag body 1 conveyed by the bag body conveying means 19 mainly composed of a belt conveyor is raised. 13 and a guide bar opposing moving means 23 for moving the pair of guide bars 15 in opposite directions in the width direction.
  • the bag body transport means 19 may be any conveyor that transports the bag body 1 by receiving the bag body 1 with a plurality of belts 25 in a horizontal posture and running these belts 25. In order to adsorb the bag body 1 to the belt 25, negative pressure is introduced into the suction hole 27 of the belt 25 from a suction port such as an air blower.
  • the standing means 21 is one in which the cam rail 13 is fixed to a bottom plate or the like that slidably supports the belt 25 of the bag body conveying means 19.
  • the guide bar facing moving means 23 is a drive source that moves the pair of operation parts 31 in the width direction opposite to each other based on the air pressure supplied to the cylinder 29.
  • Hangers 33 are joined to the pair of operating portions 31, respectively.
  • the guide bar 15 is an L-shaped bar provided at the lower end of the hanger 33, and the horizontal portion 35 extends in the width direction.
  • the horizontal portions 35 of the pair of guide bars 15 approach each other according to the operating portion 31 of the guide bar facing moving means 23, or are separated from each other with an interval wider than the width of the bag 1 as shown in FIG.
  • the folding bar 17 faces the opening 7 of the bag body 1, and both ends thereof are held by a pair of movable brackets 41 of the folding operation means 18.
  • the total length of the folding bar 17 is set to exceed the width of the bag 1.
  • One of the pair of movable brackets 41 appears in FIGS. 3 and 4, the cross sections of the folding operation means 18 are different from each other in the width direction.
  • the folding operation means 18 is supported by a guide means 45 provided on the housing 43 of the bag transport means 19, a bearing member 49 fixed to the slider 47 of the guide means 45, and a support shaft 51 supported by the bearing member 49.
  • the driven member 53, the cam 55, a connecting shaft 57 that penetrates the driven member 53 and has both ends connected to the pair of movable brackets 41, and a drive source 59 are provided.
  • the driven member 53 is rotatable about the support shaft 51 with respect to the bearing member 49, and the movable bracket 41 is rotatable about the connecting shaft 57 with respect to the driven member 53.
  • a nut 63 is fixed to a horizontal member 61 spanned inside the pair of movable brackets 41, and a height adjusting bolt 65 is screwed to the nut 63. Since the lower end of the height adjustment bolt 65 is abutted against the upper surface of the front end portion 67 of the driven member 53, the movable bracket 41 moves relative to the driven member 53 as the height adjustment bolt 65 is rotated in a direction to tighten the nut 63. Then, the folding bar 17 is inclined to the raised position.
  • a support piece not shown in the figure is fixed to the housing 43, and the cam 55 is supported by this support piece.
  • the drive source 59 can move the bearing member 49, the driven member 53, the pair of movable brackets 41, and the folding bar 17 together with the slider 47 in the directions of arrows e and F.
  • the folding bar 17 is retracted in the direction of arrow e, the roller 69 provided at the rear end of the driven member 53 is guided downward by the cam 55 as shown in FIG.
  • the height adjustment bolt 65 is pushed up as the front end 67 of the driven member 53 rises around the support shaft 51, and the folding bar 17 rises to a desired height.
  • the bag closing device 5 opens and closes a guide bar lifting means 71 that lifts and lowers the pair of guide bars 15, a sandwiching piece 73 that faces the folding bar 17, and between the folding bar 17 and the sandwiching piece 73.
  • the guide bar lifting / lowering means 71 has a drive source 85 composed of an air cylinder with a guide attached to the upper end of a stem 83 attached at a proper position of the housing 43, and the guide bar opposite moving means 23 is attached to the piston rod 87 of the drive source 85.
  • a lifting plate 89 to be supported is joined.
  • the sandwiching piece 73 is a steel plate having a width equivalent to that of the folding bar 17.
  • the opening / closing means 75 receives the rotating shaft 91 to which the upper end of the sandwiching piece 73 is fixed by a pair of movable brackets 41, joins a crank (not shown) to the rotating shaft 91, and inputs the crank from the drive source.
  • the clamping piece 73 is rotated about the rotation shaft 91 by the rotational force applied.
  • the contact plate 79 is a steel plate having a width equivalent to that of the bag body 1.
  • the contact plate advance / retreat means 81 is formed by joining a contact plate 79 to the piston rod 97 of the drive source 95.
  • the drive source 95 is attached to the stem 83 in an inclined posture via a V-shaped attachment member 93.
  • the operation of the bag closing device 5 is based on a program written in a storage medium that can be accessed by a computer that controls the drive source described above.
  • the folding operation means 18 retracts the folding bar 17 in the direction of arrow e, and the opening / closing means 75 rotates the clamping piece 73 in a direction to open between the folding bar 17 and the clamping piece 73.
  • the position of the cam rail 13 matches directly below the folding bar 17 and the sandwiching piece 73.
  • the figure shows a state in which the folding bar 17 is lifted by the above-described roller 69 being guided downward by the cam 55.
  • the bag conveying means 19 causes the belt 25 to travel. In the process of transporting the bag 1 placed on the belt 25, the flap 3 is pushed up by the cam rail 13 so as to stand above the belt 25 and enters between the folding bar 17 and the sandwiching piece 73. At this time, the bag body conveying means 19 stops the belt 25.
  • an adhesive for adhering the flap 3 to the bag body 1 is attached to the bag body 1 in advance in the process B. Further, as shown in FIG. 1, an inclined portion 99 is provided on one of the pair of guide bars 15. This is to prevent the bag body 1 into which the thick article 9 is inserted from being caught on one guide bar 15 when being transported by the bag body transport means 19.
  • the guide bar facing moving means 23 moves the pair of guide bars 15 in directions in which the horizontal portions 35 approach each other.
  • the guide bar lifting / lowering means 71 lowers the pair of guide bars 15 and positions the horizontal portions 35 on the base 11 of the flap 3.
  • the positioning means that the horizontal portion 35 is brought into contact with the base portion 11 of the flap 3 and pressed, or is placed along the base portion 11 leaving a slight gap.
  • Opening / closing means 75 closes between the sandwich piece 73 and the folding bar 17. Thereby, as shown in FIG. 5B, the flap 3 is sandwiched between the sandwiching piece 73 and the folding bar 17.
  • the contact plate advance / retreat means 81 moves the contact plate 79 so as to descend obliquely in the direction of the arrow e, and brings the tip 77 of the contact plate 79 close to the upper edge of the opening 7 of the bag body 1.
  • the above steps C to E may be performed simultaneously.
  • the folding operation means 18 advances the folding bar 17 in the direction of the arrow f.
  • the flap 3 clamped between the clamping piece 73 and the folding bar 17 in the step D is pulled in the direction of the arrow f as shown in FIG.
  • the flap 3 is folded back to the bag body 1 with the horizontal portions 35 of the pair of guide bars 15 as fulcrums.
  • the thick article 9 may be inserted into the bag body 1 and the opening 7 of the bag body 1 may be greatly opened in the vertical direction.
  • the tip 77 of the abutment plate 79 that has been brought close to the upper edge of the opening 7 in the above step E has the force that the flap 3 is pressed against the upper edge of the opening 7. Since it receives, the unnecessary deformation
  • the contact plate advance / retreat means 81 moves the contact plate 79 so as to rise obliquely in the direction of the arrow f.
  • the contact plate 79 is retracted from between the flap 3 folded back to the bag body 1 and the bag body 1, and as shown in FIG. Can be intimate.
  • the roller 69 described above is guided upward by the cam 55, so that the folding bar 17 is lowered in the process of the folding bar 17 moving forward. Thereby, the folding bar 17 can be brought close to the bag body 1 and the flap 3 can be urged to come into close contact with the bag body 1.
  • the guide bar facing moving means 23 moves the pair of guide bars 15 in directions in which the horizontal portions 35 are separated from each other. Thereby, since the flap 3 is folded back to the bag body 1, each horizontal portion 35 of the pair of guide bars 15 wound inside the flap 3 can be extracted from the inside of the flap 3.
  • the bag closing device 5 repeatedly executes the steps after the step A.
  • the flap 3 can be bent and folded back to the bag body 1 with the horizontal portion 35 of the guide bar 15 as a fulcrum, so that the bag body 1 is in the stage where the article 9 is inserted. Even when the flap 3 is deformed, the base 11 of the flap 3 can be folded back by a linear fold along the horizontal portion 35 of the guide bar 15, and the flap 3 can be folded on the bag body 1. For this reason, the flap 3 can be adhered to the bag body 1 with an adhesive, and the opening 7 of the bag body 1 can be satisfactorily sealed. In addition, since the operation of turning back the flap 3 and the operation of bringing the flap 3 into intimate contact with the bag body 1 are completed simultaneously in the step H, the number of bag bodies 1 that the bag closing device 5 can seal per predetermined time. It is advantageous to increase.
  • the guide bars 15 do not need to be paired, and if the horizontal portion 35 of one guide bar 15 has a length substantially equal to the width of the bag body 1, the base portion 11 of the flap 3 is made to be one guide bar 15. It can be folded at the fold along the horizontal portion 35.
  • the guide bar lifting / lowering means 71 raises the pair of guide bars 15 when the bag body transporting means 19 transports a new bag body having the opening 7 opened.
  • the guide bar lifting / lowering means 71 may be omitted. In this case, the guide bar 15 may escape in the horizontal direction from the bag body 1 conveyed to the bag body conveying means 19.
  • the sandwiching piece 73 and the opening / closing means 75 may be omitted.
  • the flap 3 can be folded back to the bag body 1 simply by pressing the folding bar 17 that moves forward in the direction of the arrow f in the step F to the flap 3.
  • the folding bar 17 may be anything that engages the flap 3. In other words, it suffices if the flap 3 does not separate from the folding bar 17 moving forward in the direction of the arrow f.
  • an elastic member 101 such as a synthetic resin brush may be attached to the folding bar 17, and the elastic member 101 may be brought into sliding contact with the flap 3 in the steps F to H.
  • the flap 3 since the entire area of the flap 3 is uniformly pressed against the bag body 1, even if the bag body 1 is deformed into a strain when the flap 3 is folded back to the bag body 1, the flap 3 Can be hermetically bonded.
  • the base 11 of the flap 3 is deformed following the horizontal portion 35, and therefore the bag is in a stage where the horizontal portion 35 is extracted from the inside of the flap 3 in the step I.
  • a hole is formed in the base 11 of the flap 3 folded back on the body 1. Therefore, as shown in FIG. 8, if the cross section of the horizontal portion 35 of the guide bar 15 is flattened along the horizontal plane, it can be narrowed to such an extent that the hole of the base portion 11 is easily closed.
  • 9 shows a film supply means 201, a bag making apparatus 203, a bag body transport means 19, an article supply means 213 for supplying an article 9 to a position facing the opening 7 of the bag body 1, and an article 9 in a bag.
  • goods 9 are inserted is represented.
  • the film supply means 201 is a roll-shaped film 217 having edges 216 and 218 on both sides in the width direction, and is fed in the direction of arrow T in the shape of being folded in the middle of the width direction. is there.
  • the fold 220 that folds the film 217 is biased so as to approach the other edge 218 slightly rather than a position that bisects the edges 216 and 218 on both sides of the film 217. For this reason, when the film 217 is folded in half, the width from one edge 216 to the fold 220 exceeds the width from the other edge 218 to the fold 220, so that the one edge 216 Will extend beyond the other edge 218.
  • the bag making apparatus 203 forms the rectangular bag 1 by heating the film 217 folded in two with the heat cutter 219 and fusing these films with the heat of the heat cutter 219.
  • the melted portion 221 serves as a side edge portion of the bag body 1 in which the two-folded films 217 are fused to each other.
  • the edge parts 216 and 218 on both sides are not fused to each other, the opening 7 is secured between them.
  • one edge 216 becomes the tip of the flap 3 extending from the opening 7.
  • FIG. 10 shows a state in which the opening 7 of the bag body 1 is opened by the operation of the insertion device 215 described later.
  • the configuration of the insertion device 215 will be described. Since a well-known technique can be applied to the drive source or guide means described below, detailed description of each is omitted.
  • an air cylinder, a hydraulic cylinder, a servo motor, a rotating machine with a speed reducer, or an electric cylinder that expands and contracts an operating rod according to the operation of the rotating machine may be applied as a driving source.
  • a sliding pair formed by slidingly sliding a slider on a guide rail may be applied as the guide means.
  • the insertion device 215 includes a linear operation means 229 for reciprocating the slider 227 in the horizontal direction, and a gate shape in which an upright portion 233 is connected to the slider 227 via a guide means 231 so as to be movable up and down.
  • the linear movement means 229 is configured to connect a ball nut 251 screwed to the feed screw 249 to the slider 227 and rotate the feed screw 249 with a drive source to move the slider 227 along the feed screw 249. . Both ends of the feed screw 249 are rotatably supported by the housing of the insertion device 215.
  • the pusher 235 attaches a substantially L-shaped insertion claw 253 and feed claw 255 to the frame 237 so as to be separated from each other in the direction in which the pusher 235 reciprocates. Arrows F and R indicate the direction in which the pusher 235 moves forward or backward with respect to the bag body 1 together with the slider 227.
  • the upright portion 233 of the driven holder 241 has a linear roller 245 or a driven roller 257 that can be brought into rolling contact with the cam rail 247 inside thereof.
  • the follower holder 241 has a pusher 235 frame 237 fixed to an upright portion 239 thereof.
  • the support body 243 is a pair of guide rails 259 made of chevron shaped lightweight steel.
  • the guide rail 259 supports the article 9 with its flange 261.
  • the flange 263 of the guide rail 259 restricts the article 9 from deviating from the inside of the pair of guide rails 259.
  • a smooth bottom plate may be provided between the pair of guide rails 259.
  • the article supply means 213 appears in FIG. 12 as an endless belt 267 wound around a rotating wheel 265, but if the article 9 can be introduced into the pair of guide rails 259 from the direction of the arrow F, It is not limited to the form shown in FIG.
  • a plurality of rollers 269 are disposed inside the pair of guide rails 259. This is to allow the article 9 placed on the endless belt 267 running with the drive source to slide with its inertial force immediately after the article 9 is detached from the endless belt 267.
  • Reference numerals 271 and 273 denote an introduction part and a delivery part of the guide rail 259, respectively.
  • the support plate 275 shown in FIG. 12 supports the linear rail 245 and the pin 277 disposed above the linear rail 245, and is fixed to the housing of the insertion device 215.
  • the cam rail 247 includes an inclined portion 281 extending from one end 279 in the direction of the arrow F and a horizontal portion 285 extending from the other end 283 in the direction of the arrow R.
  • the inclined portion 281 may have a shape that rises and inclines in the direction of the arrow R.
  • a reference numeral 287 in FIG. 11 indicates an insertion hole through which the pin 277 is inserted into the cam rail 247.
  • a bag making apparatus 203 shown in FIG. 9 sequentially forms a plurality of bag bodies 1, and these bag bodies 1 are conveyed by the bag body conveying means 19.
  • the bag body conveying means 19 stops the conveyance of the bag body 1.
  • the linear operation means 229 of the insertion device 215 reciprocates the slider 227, thereby executing the first to fourth steps of the operation described below.
  • the driven roller 257 moves along the straight rail 245 in the direction of the arrow F from the position represented by the imaginary line 257 'in FIG.
  • FIG. 13A shows that the article 9 supplied from the article supply means 213 hits the feed claw 255 of the pusher 235 and stops while this process is being executed.
  • the driven roller 257 moves in the direction of the arrow F, and comes into contact with the inclined portion 281 of the cam rail 247 from below. Since the inclined portion 281 is pushed up by the driven roller 257, the cam rail 247 turns in a direction to raise the one end 279 with the pin 277 as a fulcrum. After the driven roller 257 passes through the gap between the one end 279 of the inclined portion 281 and the linear rail 245 thus opened, the cam rail 247 turns by its own weight in the direction of descending the one end 279 and again receives the one end 279 on the linear rail 245. It is done. When the slider 227 reaches the limit for advancement, the feed claw 255 of the pusher 235 reaches the position indicated by the solid line in FIG. At the same time, the insertion claw 253 of the pusher 235 reaches the position indicated by the solid line in FIG.
  • the height of the driven holder 241 is positioned by the straight rail 245.
  • the height of each of the insertion claw 253 and the feed claw 255 of the pusher 235 matches the article 9 supported by the support 243.
  • the slider 227 moves forward, the article 9 is pushed into the bag body 1 by the insertion claw 253 and the entire article 9 is inserted into the bag body 1.
  • “match” means that the tips of the insertion claw 253 and the feed claw 255 are slightly below the article 9.
  • the driven roller 257 moves along the straight rail 245 in the direction of the arrow R in the process of retreating the slider 227 and reaches one end 279 of the inclined portion 281 of the cam rail 247.
  • the insertion claw 253 of the pusher 235 is detached from the article 9 inserted in the bag body 1 in the first step and retracted from the bag body 1.
  • the slider 227 further moves backward, and the driven roller 257 rides on the inclined portion 281.
  • the cam rail 247 maintains the posture in which the one end 279 is received by the linear rail 245.
  • the driven roller 257 that moves in the direction of the arrow R moves up along the inclined portion 281 of the cam rail 247 and then moves along the horizontal portion 285.
  • the driven holder 241 ascends together with the driven roller 257 and then moves horizontally, so that the feed claw 255 of the pusher 235 passes above the article 9 as indicated by a virtual line 255 ′ in FIG. .
  • the driven roller 257 is detached from the other end 283 of the horizontal portion 285 of the cam rail 247 and returned to the position indicated by the imaginary line 257 'in FIG.
  • the feeding claw 255 of the pusher 235 is further retracted from the article 9 and reaches the position indicated by the imaginary line 255 ′′ in FIG. 13B.
  • the driven roller 257 is also connected to the other end of the horizontal portion 285. After leaving 283, the pusher 235 is lowered together with the driven holder 241 because it is lowered to a height that can be received by the straight rail 245.
  • the bag body conveying means 19 resumes the conveyance of the bag body 1, and the opening 7 of the bag body 1 following the bag body 1 into which the article 9 has already been inserted has reached the front of the insertion claw 253 of the pusher 235.
  • the bag body conveying means 19 stops the conveyance of the bag body 1.
  • the insertion device 215 executes the first process for the second time. During this time, a new article 9 is supplied from the article supply means 13 to the position shown in FIG.
  • the feed claw 255 of the pusher 235 passes above the article 9 supplied during the first process of the second time, and at the same time, the pusher
  • the insertion claw 253 of 235 passes above the article 9 supplied during the first step of the first time, and is a position represented by a virtual line 253 ′′. Reach up to.
  • the first process to the fourth process are further repeated, so that the article 9 supplied during the first process of the first time is inserted by the insertion claws 253 of the pusher 235 as shown in FIG. It is pushed out from between the pair of guide rails 259 and inserted into the opening 7 of the bag 1 shown in FIG.
  • the bag body transport means 19 repeats the transportation and stoppage of the bag body 1, so that the insertion device 215 is supplied with a plurality of articles supplied sequentially from the article supply means 213.
  • the article 9 can be inserted into each of the plurality of bags 1 conveyed by the bag conveying means 19.
  • the bag closing device 5 starts the process A described in the first embodiment.
  • the flap 3 of the bag body 1 in which the article 9 is inserted rises in accordance with the cam rail 13 shown in FIG. 1, the bag body conveying means 19 stops the conveyance of the bag body 1.
  • item 9 was inserted can be sealed by the bag closing apparatus 5 performing the process below B described in Example 1.
  • the insertion device 215 is preferably provided with a pair of movable guides 301 between the pair of guide rails 259 and the opening 7.
  • the pair of movable guides 301 are formed such that each protruding end 303 has a wedge shape and the cross section has a groove shape inward.
  • the insertion device 215 preferably includes guide means for guiding the pair of movable guides 301 so as to be movable in the directions of arrows F and R, and drive means for moving the pair of movable guides 301 back and forth in this direction.
  • the movable guide 301 is retracted from the illustrated position so that the protruding end 303 of the movable guide 301 is detached from the opening 7 of the bag body 1, and the article 9 is positioned between the pair of guide rails 259 in the first step.
  • the pair of movable guides 301 are moved forward, and the respective protruding ends 303 enter the openings 7.
  • the opening part 7 is opened larger than the dimension of the article
  • a pipe 305 is disposed above the belt 25 of the bag body conveying means 19, and the negative pressure guided from the suction means to the suction pad 307 provided at the lower end of the pipe 305 through the pipe 305 causes the pair of movable guides 301 to move.
  • the appropriate position of the bag 1 may be sucked so that the opening 7 opens above the belt 25.
  • the pair of movable guides 301 are retracted from the bag body 1, the respective protruding ends 303 are inclined to approach each other, and when the protruding ends 303 enter the opening 7, the interval between the protruding ends 303 is increased.
  • the movable guide 301 may be operated as described above. Thereby, tension
  • the film supply means 201 and the bag making apparatus 203 shown in FIG. 9 may be omitted, and the article 9 may be inserted into an existing bag body.
  • an existing bag body may be directly supplied onto the belt 25 of the bag body conveying means 19.
  • the feed screw 249 and the ball nut 251 may be omitted, and a drive source in which the slider 227 is joined to the piston rod may be applied as the linear motion means 229.
  • the speed at which the bag body transport means 19 transports the bag body 1 is doubled so that two or more insertion devices 215 arranged in the direction of arrow F insert the article 9 into two or more bag bodies 1 at the same time. good.
  • FIG. 15 shows a bag filling device 400 comprising a film supply means 201, a bag making device 203, a bag body transport means 19, an insertion device 401 for inserting a flexible article 9 into the bag body 1, and a bag closing device 5.
  • the outline is expressed.
  • the flexible article means a mask, a handkerchief, a towel or the like. Differences between the bagging device 400 and the second embodiment will be described below.
  • the insertion device 401 includes a bottom surface member 405 for guiding the flexible article 9 in the horizontal direction, a contact member 413 disposed above the article 9 and extending in the horizontal direction, and a contact member 413.
  • Contact member lifting and lowering means 415 for moving up and down, a pressing plate 419 pressed against the end portion 417 of the article 9 from the horizontal direction, and a horizontal movement for moving the pressing plate 419 in the directions of arrows I and O according to the contacting surface member 413.
  • Moving means 421 indicates the direction in which the contact member 413 enters the opening 7 of the bag 1
  • the arrow O indicates the direction in which the contact member 413 exits from the opening 7 of the bag 1.
  • the bottom material 405 is a smooth plate material that slidably receives the article 9 supplied from a feeder not shown in the drawing.
  • the article 9 is illustrated as a mask having the rubber string 423, the use, material, or shape of the article 9 is not limited.
  • two belts 25 of the bag body conveying means 19 appear in the figure, the bag body 1 is supported by a larger number of belts. Further, a suction pad 433 for sucking the upper surface 431 of the bag body 1 may be provided above the belt 25 in order to actively expand the opening 7 of the bag body 1.
  • the contact surface member 413 has a pair of contact plates 441 extending from the hanging piece 437 at one end of the hanger 435 in the direction of arrow I and spaced from each other in the direction orthogonal to the direction of arrow I.
  • the pushing plate 419 is attached to the hanging piece 443 at the other end of the hanger 435 in an upright posture via a driving source 445 described later.
  • the contact member 413 and the hanger 435 are formed by bending a single steel plate. In this steel plate, an insertion port 447 is formed in a range extending from the hanging piece 437 to the contact surface member 413 so that the pushing plate 419 operated by the drive source 445 can escape in the directions of arrows I and O.
  • the contact surface member lifting / lowering means 415 connects the driving source 449 to the connecting member 451 and joins the hanger 435 to the piston rod 453 of the driving source 449.
  • the connecting member 451 is restricted from being raised and lowered by guide means for guiding it in the directions of arrows I and O. For this reason, when the drive source 449 operates the piston rod 453, the contact member 413 and the pushing plate 419 together with the hanger 435 are moved up and down with respect to the article 9 placed on the bottom surface member 405.
  • the horizontal moving means 421 is illustrated as a drive source 457 in which the piston rod 455 is joined to the connecting member 451. However, the feed screw is rotated by an electric motor, and the force of linear movement of the ball nut screwed to the feed screw is connected. What transmits to the member 451 may be sufficient.
  • the insertion device 401 includes a pressing means 461 for moving up and down a pressing member 459 having a spherical lower end, and a pressing means 463 for moving the pressing plate 419 with respect to the hanger 435 in the directions of arrows I and O.
  • the pressing means 461 is obtained by attaching a pressing member 459 to a piston rod 467 of a driving source 465 fixed to the housing above the bag body 1.
  • the pushing means 463 is obtained by attaching a driving source 445 to a hanging piece 443 of a hanger 435 and joining a pushing plate 419 to a piston rod 469 of the driving source 445.
  • FIG. 19A to FIG. 21B show the bag body 1 and the contact surface member 413 as cross sections.
  • the operation of the insertion device 401 is based on a program written in a storage medium that can be accessed by the computer that controls the drive source described above.
  • a plurality of bag bodies 1 are sequentially formed in the bag making apparatus 203 shown in FIG. These bag bodies 1 are sucked by the belt 25 of the bag body conveying means 19 shown in FIG. On the other hand, the article 9 supplied from the aforementioned feeder is received by the bottom surface material 405. Then, the bag conveying means 19 causes the belt 25 to travel in the direction of the arrow T, and the belt 25 is stopped when the opening 7 of the bag 1 faces the article 9 received by the bottom material 405.
  • the contact member 413 descends to a height close to the upper surface of the article 9, and advances in the direction of the arrow I.
  • the pushing plate 419 presses against the end portion 417 of the article 9, so that the article 9 slides along the pushing plate 419 and enters the opening 7 of the bag body 1.
  • the pushing plate 419 further advances in the direction of the arrow I with respect to the contact member 413 of the hanger 435 and the hanging piece 437. By doing so, the article 9 can be pushed into the interior of the opening 7.
  • the contact member 413 functions as a guide for restricting deformation of the article 9. For this reason, the effect that the wrinkles and the bending of the article 9 can be prevented at the stage where the article 9 is immersed in the opening 7 of the bag body 1 can be achieved.
  • a frictional force is generated between the article 9 and the contact member 413 so that the article 9 and the contact surface member 413 do not slide greatly. This frictional force acts on the entire area of the article 9 in the range facing the contact member 413, and compared with the case where the article 9 is pushed into the opening 7 depending only on the pushing plate 419, the article 9 is moved to the opening 7. Since the force pushed into the product 9 is dispersed in the article 9, the above effect becomes remarkable.
  • the pressing plate 419 retracts in the direction of the arrow O with respect to the contact surface member 413 of the hanger 435 and the hanging piece 437, and returns to a position that matches the hanging piece 437 as shown in FIG. To do.
  • the pressing member 459 is lowered to a height at which the pressing member 459 is pressed against the bag body 1, and the contact surface member 413 is lifted from the article 9 as shown in FIG.
  • the figure shows that the upper surface 431 of the bag body 1 is deformed into a concave shape by the pressing member 459 and the bag body 1 is pressed against the article 9.
  • the article 9 ′ is newly supplied to the bottom material 405.
  • the contact surface member 413 raised from the article 9 retracts in the direction of the arrow O, and then exits from the opening 7 of the bag body 1.
  • the pressing member 459 does not have to rise. That is, the pressing member 459 relatively passes between the tips 439 of the pair of contact plates 441, so that the contact member 413 is detached from the pressing member 459.
  • the pressing member 459 can keep the bag body 1 pressed against the article 9, a part of the article 9 is temporarily caught on the contacting member 413 when the contacting member 413 rises from the article 9 as described above. Even so, it is possible to prevent the article 9 from being pulled out of the bag body 1 as the contact surface member 413 moves backward in the direction of the arrow O.
  • the contact surface member 413 is Stop. Thereafter, the contact surface member 413 is lowered to a height close to the upper surface of the article 9, and the insertion device 401 can repeat the above operation. Further, the point that the bag closing device 5 seals the opening 7 of the bag body 1 into which the article 9 is inserted as described above is the same as that of the second embodiment.
  • the insertion device 401 described above is configured such that after the contact surface member 413 is lifted from the article 9 immersed in the opening 7 of the bag body 1, the contact surface member 413 is withdrawn from the bag body 1.
  • the contact surface member 413 leaving the bag body 1 is not rubbed against the rubber cord 423. For this reason, the rubber cord 423 is not pulled out from the bag body 1 or the trouble such as twisting of the rubber cord 423 does not occur.
  • the film supply means 201 and the bag making apparatus 203 may be omitted, and the article 9 may be inserted into an existing bag body. Further, the driving source 445 may be omitted and the pushing plate 419 may be fixed to the contact member 413. In this case, compared with the above example, the distance for the article 9 to enter the depth of the opening 7 is shortened, but the implementation of the present invention is not hindered.
  • the contact surface member 413 moves up from the article 9 immersed in the opening 7 of the bag body 1.
  • the contact surface member 413 may be raised after the entire contact surface member 413 comes out of the opening 7.
  • a check hair having a hair tip raised in the direction of arrow I may be implanted on the lower surface of the contact member 413. Such check hairs reduce the frictional force between the contact surface member 413 and the article 9 when the contact surface member 413 leaves the bag body 1 than when the contact surface member 413 enters the bag body 1. Can do.
  • the present invention is a technique useful for transporting and positioning all articles.
  • the present invention is a technique useful for stuffing articles into a large number of bags, for example, when mailing a product catalog by direct mail, because articles can be inserted into a bag at high speed without depending on human hands. .
  • SYMBOLS 200 ... Bag filling apparatus, 201 ... Film supply means, 203 ... Bag making apparatus, 213 ... Article supply means, 215 ... Insertion apparatus, 216, 218 ... Edge, 217 ... Film, 219 ... Heat cutter, 221 ... Location, 227 ... Slider, 229 ... Linear movement means, 231 ... Guiding means, 233,239 ... Standing part, 235 ... Pusher, 237 ... Frame, 241 ... Following holder, 243 ... Support, 245 ... Linear rail, 247 ... Cam rail, 249 ... Feed screw, 251 ... ball nut, 253 ... insertion claw, 255 ... feed claw, 257 ...

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Package Closures (AREA)
PCT/JP2010/065106 2009-09-15 2010-09-03 閉袋装置、及び袋詰め装置 WO2011033947A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020117031707A KR101368558B1 (ko) 2009-09-15 2010-09-03 봉투 밀폐 장치, 및 봉투 담기 장치
JP2011531884A JP5474989B2 (ja) 2009-09-15 2010-09-03 閉袋装置、及び袋詰め装置
CN2010800280341A CN102470936B (zh) 2009-09-15 2010-09-03 闭袋装置及装袋装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-213346 2009-09-15
JP2009213346 2009-09-15

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WO2011033947A1 true WO2011033947A1 (ja) 2011-03-24

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JP (1) JP5474989B2 (ko)
KR (1) KR101368558B1 (ko)
CN (1) CN102470936B (ko)
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JP2016203392A (ja) * 2015-04-15 2016-12-08 キヤノン株式会社 封緘装置および封緘方法
CN112220145A (zh) * 2020-11-06 2021-01-15 广西德福莱医疗器械有限公司 口罩耳带折耳装置
KR20220042500A (ko) * 2019-12-24 2022-04-05 오리온 기카이 고교 가부시키가이샤 자동 충전 포장 장치
WO2023057951A3 (en) * 2021-10-07 2023-07-20 T.M.C. S.P.A. Machine for packaging groups of absorbent articles in respective bags

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CN105730737B (zh) * 2016-03-16 2018-08-21 苏州和瑞科自动化科技有限公司 一种气泡袋自动封口设备
KR101884235B1 (ko) * 2016-10-19 2018-08-01 이계식 부착이 용이한 마스크시트의 포장장치
CN108312637B (zh) * 2018-02-02 2023-11-17 厦门亚太创新机器有限公司 塑料袋包装生产设备
CN108820357A (zh) * 2018-07-17 2018-11-16 瑞安市恒丰信封纸袋机器厂 包装袋舌口封装装置
CN111483735B (zh) * 2019-01-25 2022-01-14 深圳御膳坊智能科技有限公司 一种智能分切输送平台
KR102272208B1 (ko) * 2019-07-11 2021-07-05 제이더블유홀딩스 주식회사 용기 포장 시스템 및 용기 포장 방법
CN113844699A (zh) * 2021-10-13 2021-12-28 天津科技大学 一种试卷包装机的包装方法

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Publication number Priority date Publication date Assignee Title
JP2016203392A (ja) * 2015-04-15 2016-12-08 キヤノン株式会社 封緘装置および封緘方法
KR20220042500A (ko) * 2019-12-24 2022-04-05 오리온 기카이 고교 가부시키가이샤 자동 충전 포장 장치
KR102458740B1 (ko) 2019-12-24 2022-10-24 오리온 기카이 고교 가부시키가이샤 자동 충전 포장 장치
CN112220145A (zh) * 2020-11-06 2021-01-15 广西德福莱医疗器械有限公司 口罩耳带折耳装置
WO2023057951A3 (en) * 2021-10-07 2023-07-20 T.M.C. S.P.A. Machine for packaging groups of absorbent articles in respective bags

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CN102470936A (zh) 2012-05-23
KR20120067976A (ko) 2012-06-26
CN102470936B (zh) 2013-07-31
TW201127715A (en) 2011-08-16
JP5474989B2 (ja) 2014-04-16
JPWO2011033947A1 (ja) 2013-02-14
KR101368558B1 (ko) 2014-02-27

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