EP0274175B1 - Automatic corner tape sticking device for carton sealing machine - Google Patents

Automatic corner tape sticking device for carton sealing machine Download PDF

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Publication number
EP0274175B1
EP0274175B1 EP87300214A EP87300214A EP0274175B1 EP 0274175 B1 EP0274175 B1 EP 0274175B1 EP 87300214 A EP87300214 A EP 87300214A EP 87300214 A EP87300214 A EP 87300214A EP 0274175 B1 EP0274175 B1 EP 0274175B1
Authority
EP
European Patent Office
Prior art keywords
carton
brushes
tapes
frames
brush
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.)
Expired - Lifetime
Application number
EP87300214A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0274175A1 (en
Inventor
Chiu Chao-Tsung
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT87300214T priority Critical patent/ATE67726T1/de
Priority to EP87300214A priority patent/EP0274175B1/en
Priority to ES198787300214T priority patent/ES2025640T3/es
Priority to DE8787300214T priority patent/DE3773358D1/de
Publication of EP0274175A1 publication Critical patent/EP0274175A1/en
Application granted granted Critical
Publication of EP0274175B1 publication Critical patent/EP0274175B1/en
Priority to GR91401634T priority patent/GR3003026T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/06—Applying adhesive tape

Definitions

  • the present invention relates to an automatic corner tape sticking device for a carton sealing machine and, more particularly, to a device used with cardboard cartons, in which, the adhesive tapes on the upper and lower edges thereof are automatically stuck, thereby to have the cartons securely sealed.
  • a fixed brush is provided on the tape cutter head; after the tapes are stuck on to the corners of the carton, the fixed brush touches the leading edge of the tapes and leaves the tapes stuck flat on to the carton as the latter passes the cutter head; there is also provided a rotating brush which spreads the trailing edge of the tapes forward so that the tapes are stuck flat on to the carton; and, finally, there is further provided a disk brush which is directly driven to rotate by a motor, the rotating movement of the brush, in conjunction with the advancing of the carton, spreading the tapes on the edges of the bottom end of the carton upward, so that the tapes are stuck flat on the carton.
  • a swinging brush is provided at a point intermediate the path of the moving cartons and a rotating brush is provided at the rear end thereof; the tapes are first spread tightly on to the forward edge of the carton from rear to front by the swinging brush; as the carton advances, the brush spreads the tapes to stick securely from front to rear; then the tapes on the bottom of the carton are spread to stick tightly by a final upward stroke of the rotating brush.
  • Corner sealing devices of this type still have their disadvantages. Among others, for example, the tapes tend to be sealed unevenly or insecurely.
  • FR-A-1474009 shows a device for applying longitudinal edge reinforcing tapes to rectangular cartons using a long brush 39 and a short brush 43 at each edge of the carton, carried by a fixed main frame of the device.
  • the present invention aims to overcome the disadvantages of the various aforementioned carton sealing machines of the prior art such that conventional cartons for packing products, when processed by the device of the present invention, can be more perfectly sealed to obtain results that are secure, fast and economic.
  • an object of the present invention to provide an automatic corner tape sticking device for a carton sealing machine that affords integral, consecutive operations for tape sticking and fast handling, which are automatically completed.
  • the present invention provides a carton sealing machine including an automatic corner tape sticking device, said device comprising: a pair of conveyor means for conveying boxes along a path; two pairs of cutter heads each disposed symmetrically on the respectove upper and lower frames of said machine to cut tape extending along the upper and lower edges of a box moving along said path, which edges extend parallel to said path; two pairs of short brushes disposed symmetrically on said frames at a suitable distance behind said cutter heads for pressing down the ends of tapes cut by said cutter heads; and two pairs of long brushes disposed symmetrically on said frames at a suitable distance behind said short brushes for pressing down said tapes along their major extents between said ends; characterised in that said short brushes are drivable reciprocatingly horizontally transversely to and along said path for pressing down the cut ends of said tapes along said upper and lower edges parallel to said path; in that screw rods and screw rod receptacles are provided on the upper and lower frames and are interconnected by a chain and sprockets for synchronous adjustment of the vertical spacing
  • the automatic corner tape sticking device for a cardboard carton sealing machine In use of the automatic corner tape sticking device for a cardboard carton sealing machine according to the present invention, when the carton to be sealed passes via conveyor belts through the tape cutter heads disposed on the upper and lower sides of the frames, adhesive tapes are stuck on to both top and bottom edges of the carton and severed; the tapes at the upper and lower corners of the carton are then spread and stuck on to the carton by short brushes which are driven to move in a horizontal reciprocating manner over a predetermined distance by pneumatic cylinders disposed on both upper and lower sides; the carton keeps moving on the conveyor belts to pass by long brushes which are operated to move vertically by pneumatic cylinders disposed on both upper and lower sides; during the up and down strokes of the long brushes, the tapes on the sides of both top and bottom ends of the carton are stuck flat on to the edges of the carton, thus automatically effecting the corner and side sealing of the carton.
  • a still further object of the present invention is to provide an automatic corner tape sticking device such that the packing and carton sealing operations of industrial and commercial products are made faster, more economic, and more dependable to ensure safety during shipping and selling of the products.
  • a cardboard carton sealing machine is shown to include an upper frame 30, a lower frame 10, conveyer belts 11, adhesive tape cutter heads 12 (symmetrically disposed on both sides of the upper frame 30 and the lower frame 10, respectively), and short brushes 13 and long brushes 43 (also symmetrically disposed on both sides of the upper frame 30 and the lower frame 10, respectively) which are the essential parts of the corner tape sticking device of the present invention, and the structure and operation thereof will be described hereinafter.
  • the upper and lower frames 30, 10 are provided with screw rods 17 and screw rod receptacles 171 (fixed on the upper frame 30), sprockets being provided under screw rods 17 and interconnected by chains, the end of one of the rods 17 being connected to a motor 172 which drives the rods 17 to move synchronously so as to control the vertical distance between the upper and lower frames 30 and 10 to accommodate operation for sealing cardboard cartons of different sizes (heights).
  • one of the conveyer belts 11 and the members such as the short brush 13, the long brush 43 and the tape cutter head 12, on one side of the frame can be moved horizontally in both directions between the upper and lower frames so as to change the distance between the brushes on both sides.
  • Distance adjustment is effected by means of a transversely disposed screw rod 16 and mating nut 162.
  • a handle 161 When a handle 161 is rotated, said one of the conveyer belts 11 together with the members are manipulated such that its horizontal spacing from the corresponding conveyer belt and the members is adjusted to accommodate the operation on sealing cartons of different sizes (widths).
  • Fig. 2 shows the configuration and operation of the short brushes of the present device, wherein the short brush 13 is provided at a suitable distance behind the cutter head 12 along the path of the conveyer belt 11; an open-ended clamping block 131 on the rear end of the short brush clamps on a chain 132 between a pair of sprockets 141; a gear element 14 is provided on the lower end of one of the sprockets 141; and a toothed rack 151 is in engagement with the gear 14 and driven by a pneumatic cylinder 15 which is connected to form a loop control for reversing direction at predetermined positions, thus allowing the short brush to move reciprocatingly between predetermined positions.
  • the cylinder 15 drives the rack 151 to move back, thus driving the gear 14 to push forward the short brush 13 clamped on the clain 132; the brush then sweeps over the corner S1 of the tape, from front to rear, to have the tape flatly stuck on the carton.
  • the cylinder 15 pushes forward to move the rack 151 forward accordingly, thus driving the chain 132 back.
  • the short brush clamped on the chain then sweeps over the tape, from rear to front, to have the tape on the rear end of the carton flatly stuck.
  • the operation of sticking the tape S2 on both corners is thus completed. (see Fig. 3).
  • Figs. 4, 5(5A) show the configuration and operation of the long brushes of the present device, wherein both ends of the bottom side of the long brush 43 are provided with torsional springs 42 (see “P” in the enlarged view for details) and pivotally joined with a driving plate 40 by hinges 41, driving plate 40 being fixedly connected to the upper end of a push rod 311 on a pneumatic cylinder 31.
  • the vertical movement of the cylinder 31 brings the driving plate 40 along with the long brush 43 to move up and down via the push rod 311.
  • Both ends of the long brush 43 are provided with studs 431, the ends thereof being restrained by the upright portions of a U-shaped base plate 33.
  • a raised guide block 401 is provided centrally of said upright portion with one side of the block being of arcuate shape.
  • the up and down movements of the long brush 43 are caused by means of the studs 431 moving around the guide block 401. Since the studs 431 are pressed by springs 4311 provided within stud receptacles 4310 (see Fig. 5A), the resilient pressing action obtained when the studs 431 move around the guide blocks 401 causes the studs to remain in contact with the upright end portions of plate 33 and hence to move closely along the curved sides of the guide blocks.
  • Fig. 5 there is shown schematically the consecutive lateral movements of the long brush 43 in motion (arrows in Fig. 5 show the positions of the brush movements).
  • the in-shaped base plate 33 is secured by the supports of a bracket 32.
  • the push rod 311 extends through the center of the bottom plate of the bracket 32, then to pass freely through the bottom portion of the in-shaped base plate to be connected to the bottom portion of the driving plate 40.
  • the carton After completing the operation as shown in Fig. 3, keeps moving forward with the conveyor belts 11 to reach the long brush provided at a suitable position behind the short brush.
  • the driving plate 40 and the long brush 43 are then raised by the push rod 311 through the upward movement of the pneumatic cylinder 31, causing the long brush 43 to sweep, from bottom to top over the tape S2 on the bottom side edges of the carton to leave the tape securely stuck on the carton.
  • the long brush 43 moves upward along the guide block 401 to the top end thereof, bringing the brush into an upward upright orientation, thus out of contact with the carton.
  • the cylinder then retracts down in its return stroke, causing the push rod 311 and, hence, the driving plate 40 and the long brush 43 to retract downwardly with it, so that the tape S2 that has been flatly stuck will not be peeled off in the opposite direction by the long brush 43.
  • the structure of the long brush provided on the upper frame 30 is identical with that on the lower frame 10, except that the former is disposed in opposite directions, and that the operation thereof corresponds to the opposite direction.
  • the pneumatic cylinders 31 and 15 which actuate the long brush 43 and short brush 13, respectively, are both powered by a compressor (not shown).
  • Fig. 6 shows a portion of the carton after the tape has been stuck flat on the side thereof by the long brush.
  • Fig. 7 shows the consecutive steps of the automatic tape sticking operation of the carton sealing machine according to the present invention, in which the operation of the long brush 43 and the short brush 13 which constitute the essential structure of the present device has been hereinbefore described in detail.
  • the tape sealed by the automatic corner tape sticking device for the carton sealing machine according to the present invention is free of disadvantages, such as undesired creases, unevenness, and peeling of the applied tape.
  • the disclosed automatic corner tape sticking device for a carton sealing machine may be adjusted depending on the size of the cardboard carton so as to accommodate the carton to be sealed.
  • the structure is simple, the operations are consecutive, and the device needs no added powering equipment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
EP87300214A 1987-01-09 1987-01-09 Automatic corner tape sticking device for carton sealing machine Expired - Lifetime EP0274175B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT87300214T ATE67726T1 (de) 1987-01-09 1987-01-09 Automatische eckenklebestreifenklebevorrichtung fuer kartonverschliessmaschinen.
EP87300214A EP0274175B1 (en) 1987-01-09 1987-01-09 Automatic corner tape sticking device for carton sealing machine
ES198787300214T ES2025640T3 (es) 1987-01-09 1987-01-09 Una selladora de cajas incluyendo un dispositivo automatico de pegar cinta en esquinas.
DE8787300214T DE3773358D1 (de) 1987-01-09 1987-01-09 Automatische eckenklebestreifenklebevorrichtung fuer kartonverschliessmaschinen.
GR91401634T GR3003026T3 (en) 1987-01-09 1991-10-29 Automatic corner tape sticking device for carton sealing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP87300214A EP0274175B1 (en) 1987-01-09 1987-01-09 Automatic corner tape sticking device for carton sealing machine

Publications (2)

Publication Number Publication Date
EP0274175A1 EP0274175A1 (en) 1988-07-13
EP0274175B1 true EP0274175B1 (en) 1991-09-25

Family

ID=8197749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87300214A Expired - Lifetime EP0274175B1 (en) 1987-01-09 1987-01-09 Automatic corner tape sticking device for carton sealing machine

Country Status (5)

Country Link
EP (1) EP0274175B1 (es)
AT (1) ATE67726T1 (es)
DE (1) DE3773358D1 (es)
ES (1) ES2025640T3 (es)
GR (1) GR3003026T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105883118A (zh) * 2016-06-02 2016-08-24 李孝友 一种封箱机上的贴标签装置

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722067A1 (de) * 1997-05-27 1998-12-03 Rovema Gmbh Vorrichtung zum Verschließen einer Verpackung
US9623993B2 (en) 2013-03-01 2017-04-18 The Procter & Gamble Company Method and apparatus for taping containers
CN106240937B (zh) * 2016-08-31 2018-10-19 江门市科业电器制造有限公司 一种边角封箱机
CN107738779A (zh) * 2017-09-25 2018-02-27 阜宁县华强纸品有限公司 一种用于纸箱折叠封装装置
CN107776975A (zh) * 2017-11-01 2018-03-09 苏州润桐专利运营有限公司 一种角边封箱机
CN110316433A (zh) * 2018-03-29 2019-10-11 江苏麦吉尔自动化技术有限公司 纸箱侧边自动加强封装装置
CN111453089B (zh) * 2020-04-19 2022-03-11 宁夏金百瑞包装有限公司 一种可适应不同纸箱包装大小的自动封口装置
CN111674647B (zh) * 2020-06-19 2021-04-09 燕山大学 自动包装机中的防锈纸底部粘贴装置
CN112046866A (zh) * 2020-09-04 2020-12-08 钟左棠 一种生产线生产用胶带封箱装置
CN112193525A (zh) * 2020-10-23 2021-01-08 杭州品胜胶带厂 一种自动裁剪并保留胶带头的胶带打包带装置
CN112339340A (zh) * 2020-11-04 2021-02-09 广东泽和环保科技有限公司 一种瓦楞纸箱加工用封口折边装置
CN113460396B (zh) * 2021-05-28 2022-11-22 浙江护童人体工学科技股份有限公司 一种包装箱封边流水线
CN113581515B (zh) * 2021-07-30 2022-09-13 宁波旭琛实业有限公司 一种包装箱自动打包机
CN114906405A (zh) * 2021-11-05 2022-08-16 深圳市纬华机械有限公司 包装设备和封箱方法
CN115057051B (zh) * 2022-06-29 2023-08-04 深圳拓新包装机械有限公司 用于纸箱的侧封模组及其工字型封箱设备
CN117508791B (zh) * 2024-01-05 2024-03-22 河南华洋纸塑包装有限公司 一种瓦楞纸箱用封箱机构及使用方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187394A2 (en) * 1984-12-17 1986-07-16 Augusto Marchetti Machine for sealing cardboard boxes of constant height
EP0187395A2 (en) * 1984-12-17 1986-07-16 Augusto Marchetti Machine for sealing cardboard boxes of constant width

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199262A (en) * 1961-11-24 1965-08-10 Gen Corrugated Machinery Compa Carton taping machine
FR1474009A (fr) * 1966-01-18 1967-03-24 Seita Machine pour le scellement en coin des emballages
US4238269A (en) * 1978-11-13 1980-12-09 Minnesota Mining And Manufacturing Company Tape applying device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187394A2 (en) * 1984-12-17 1986-07-16 Augusto Marchetti Machine for sealing cardboard boxes of constant height
EP0187395A2 (en) * 1984-12-17 1986-07-16 Augusto Marchetti Machine for sealing cardboard boxes of constant width

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105883118A (zh) * 2016-06-02 2016-08-24 李孝友 一种封箱机上的贴标签装置
CN105883118B (zh) * 2016-06-02 2017-12-15 李孝友 一种封箱机上的贴标签装置

Also Published As

Publication number Publication date
ATE67726T1 (de) 1991-10-15
EP0274175A1 (en) 1988-07-13
GR3003026T3 (en) 1993-02-17
ES2025640T3 (es) 1992-04-01
DE3773358D1 (de) 1991-10-31

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