CN1102522C - Sealing device for packaging apparatus - Google Patents

Sealing device for packaging apparatus Download PDF

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Publication number
CN1102522C
CN1102522C CN97191557A CN97191557A CN1102522C CN 1102522 C CN1102522 C CN 1102522C CN 97191557 A CN97191557 A CN 97191557A CN 97191557 A CN97191557 A CN 97191557A CN 1102522 C CN1102522 C CN 1102522C
Authority
CN
China
Prior art keywords
plastic sheeting
heat
sealing
cramping body
closing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN97191557A
Other languages
Chinese (zh)
Other versions
CN1207073A (en
Inventor
平泽彻
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.)
Nippon Seiki Co Ltd
Original Assignee
Nippon Seiki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Seiki Co Ltd filed Critical Nippon Seiki Co Ltd
Publication of CN1207073A publication Critical patent/CN1207073A/en
Application granted granted Critical
Publication of CN1102522C publication Critical patent/CN1102522C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only one axis
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81419—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/073—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web having intermittent motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/086—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary anvil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Package Closures (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)

Abstract

A sealing device for packaging apparatus is provided. A sealing device (6) for packaging apparatuses which is constructed such that a cylindrical-shaped film (1), which receives articles (3) being packaged at a predetermined spacing, is intermittently conveyed, and the film (1) is heat sealed with the articles (3) being packaged nipped from the outside of the film (1). A film thrusting body (20) is provided for thrusting upward the film (1) at a heat sealing position (P). The device can heat seal the position and eliminate the odds of the packaging articles and prevent a bad seal brought by clamping odds.

Description

The closing device that packing device is used
Technical field
The present invention relates to closing device that position between the packed article of plastic sheeting that holds packed article with predetermined distance is given clamping and the packing device that plastic sheeting seals is used from plastic sheeting foreign side.
Technical background
The closing device that packing device is in the past used, its formation is, for example intermittent delivery is held the tubular plastic sheeting of packed article with predetermined distance, this plastic sheeting up and down to establishing cramping body, in case after stopping the plastic sheeting conveying, from plastic sheeting foreign side with position between the packed article of this cramping body clamping plastic sheeting, utilize the temperature booster heat of the top end surface of this cramping body to come deposited plastic sheeting, and successively subregion is carried out in position between the packed article of plastic sheeting and seal, for example, again the central portion of this heat-sealing position is cut off, the packaging bag of putting into packed article is sent successively by intermittent delivery.
But, even packed article is become necessarily at interval all the time and the packed article of may command plastic sheeting and the midway location of packed article all the time, so that clamping and sealing reliably, but, then have to cause sealing bad anxiety when if mincing of packed article etc. arranged in this heat-sealing position.
Promptly, for example when packed article be resemble the mushroom mince come out easily thing the time, fragment of mushroom or mushroom root mince or earth etc. often comes out in plastic sheeting, even cramping body is not clamped to mushroom itself, yet, cause making the bad anxiety of sealing that complete not deposited position, part and so on was peeled off or produced at bag back deposited position when such mincing being bitten clamping and when sealing, it is just insufficient that the hot melt between the plastic sheeting applies with plastic sheeting, existing.
In addition, this heat seal lands also is an off-position, and when clipping in this part when mincing, just very fast the generation cut off bad or cut off the damage or the wearing and tearing of blade.
The objective of the invention is to, this existing closing device is improved, a kind of closing device shortcoming of biting as described above, that very later-model packing device is used that solves is provided.
Disclosure of an invention
The present invention is the closing device that packing device is used, intermittent delivery is held the tubular plastic sheeting 1 of packed article 3 with predetermined distance, 3 of packed articles in this plastic sheeting of plastic sheeting 1 foreign side clamping 1 also seal plastic sheeting 1, its characteristics are, push away body 20 by being provided with on the plastic sheeting that the heat-sealing position P of described plastic sheeting 1 is pushed away up, push away press-out that body 20 brings in the utilization and the lower portion of barrel-contoured plastic sheeting 1 is pushed away to the inside, even have becoming of mincing of packed article 3 and so on to seal bad causer 3A at described heat-sealing position P, also it can be got rid of.
In addition, in the present invention, by before the described tubular plastic sheeting 1 of heat-sealing, push away body 20 on the described plastic sheeting and become on the P work of described heat-sealing position and push away the state that stretches out, then before sealing, because of doing to push away by pushing away body 20 on the described plastic sheeting in advance, be excluded from heat-sealing position P so seal bad causer 3A, can prevent because of biting sealing of producing bad.
In addition, in the present invention, at the Width of lower edge plastic sheeting 1 on the barrel-contoured plastic sheeting 1 and below disposing cramping body 21 and above cramping body 22, for cramping body 21 with described both sides, 22 clamping plastic sheetings 1 and the closing device 6 that the packing device that described retained part seals is used, central portion by cramping body 21 below described is provided with space part 23 along the Width of described tubular plastic sheeting 1, in described space part 23, dispose on the described plastic sheeting free to advance or retreat up and down and push away body 20, and slot portion 23 is set as space part 23 for carrying out two heat-sealings central portion of cramping body 21 below described, in described slot portion 23, dispose on the described plastic sheeting free to advance or retreat up and down and push away body 20, and below cramping body 21 rise and push away body 20 on the described plastic sheeting before sealing and become state from press-out to the central portion of described two heat-sealing position P that do, as long as push away drive controlling on carrying out to pushing away body 20 on the plastic sheeting, just can be reliable, get rid of to become from heat-sealing position P easily and seal bad causer 3A, thereby can provide a kind of simple in structure, also can be suitable for the closing device that the extremely excellent packing device of practicality of the present invention is used to existing closing device.
In addition, in the present invention, central portion by cramping body 22 above described disposes the knife plate 7A that the central portion with described two heat-sealing position P cut off free to advance or retreatly shutoff device is set, and below be provided with on the cramping body 21 and push away body 20 on the plastic sheeting, on the cramping body 22 shutoff device 7 be set up, thereby also can make the cut-out of heat-sealing position P be treated as up-to-standard state, and also need not to be provided with the space, the practicality closing device that more excellent packing device is used can be provided.
The simple declaration of accompanying drawing
Fig. 1 is the lateral plan of general configuration of the packing device of explanation present embodiment, Fig. 2 is the birds-eye view of general configuration of the packing device of explanation present embodiment, Fig. 3 is the general perspective view of amplification of main portion of the packing device of explanation present embodiment, Fig. 4 is the action sequence diagram of the closing device used of packing device of expression present embodiment, and be that the roughly lateral plan that pushes away the amplification before body is done to push away on the preceding plastic sheeting of action is sealed in explanation, Fig. 5 is the action sequence diagram of the closing device used of packing device of expression present embodiment, and be that the roughly lateral plan that pushes away the amplification when pushing away on the body work on the preceding plastic sheeting of action is sealed in explanation, Fig. 6 is the action sequence diagram of the closing device used of packing device of expression present embodiment, and be the roughly lateral plan that the amplification when moving is sealed in explanation, Fig. 7 is the action sequence diagram of the closing device used of packing device of expression present embodiment, and be the roughly lateral plan that the amplification when sealing release is described, Fig. 8 pushes away body to make to push away block diagram when stretching out on the plastic sheeting of main portion of explanation present embodiment, Fig. 9 is the front view of general configuration of the main portion of present embodiment, Figure 10 is the lateral plan of general configuration of the main portion of present embodiment, Figure 11 is the front view and the lateral plan of the general configuration when pushing away body on the plastic sheeting of main portion of present embodiment and doing to push away, and Figure 12 is the heat-sealing of main portion of present embodiment and the lateral plan of the general configuration when cutting off.
The optimal morphology of the usefulness that carries out an invention
With regard to specific embodiments of the invention, 1～12 describe in conjunction with the accompanying drawings.
At first, the general configuration of the packing device of this enforcement with closing device of the present invention, principle of work 1 are described to accompanying drawing 7 in conjunction with the accompanying drawings.
To be rolled into continuously from supply unit S and to roll barrel-contoured plastic sheeting 1 and draw, open state ground is made on top its heat sealable banded plastic sheeting 1 of drawing is folded into the eighty percent discount state, on the conveying guide part of forwards carrying 13 that is constituted by folding set square etc., the feedway 2 that the plastic sheeting 1 of described eighty percent discount state is carried is set, and on this conveying guide part 13, the left and right sides upper limb of the plastic sheeting 1 of eighty percent discount state is held in opening is that the state setting of specified length carries the open guide part of guiding as throw-in part 4, on this throw-in part 4, rotation is set, open and close opening-closing plate 15 freely, at this throw-in part 4, the packed article 3 that to for example pester etc. with predetermined distance with feedway 16 or hand drops in the plastic sheetings 1, then the upper opening portion that holds the plastic sheeting 1 behind the packed article 3 is overlapped and seal, and setting makes the across seal device 5 of the ultrasonic wave application mode of barrel-contoured plastic sheeting 1, at the conveying end of described feedway 2, be provided with: give vertical closing device 6 that clamping and work seal by the packed article 3 of the tubular plastic sheeting 1 of described feedway 2 intermittent delivery and the part between the packed article 3; The shutoff device 7 that the packaging bag that packed article 3 is housed 12 that makes conveyor side cutting off between this vertical closure part and follow-up barrel-contoured plastic sheeting 1 cut off, and also transfering conveying device 11 is being set by conveyor side than described shutoff device 7, the depassing unit 10 of pushing down tubular plastic sheeting 1 and carrying out degasification is set above this, after degasification, make described vertical closing device 6 and shutoff device 7 actions, the packaging bag that packed article 3 is housed 12 after the degasification is discharged by described transfering conveying device 11 and is carried.
Promptly, the tubular plastic sheeting 1 that packed article 3 is housed comes intermittent delivery with the packed article 3 that input is placed on described throw-in part 4 by feedway 2, after depassing unit 10 degasification, on one side from left and right directions and above-below direction barrel-contoured plastic sheeting 1 is carried out shaping and push down by pushing down device 8, when enclosing the packed article 3 at rear and the packed article 3 subregion state ground in the place ahead in the plastic sheeting 1, cut off on one side by shutoff device 7 by vertical closing device 6, at conveyor side, discharge is sealed the top of follow-up tubular plastic sheeting 1 through the packaging bag 12 that sealed-in is equipped with packed article 3.
And, make intermittent delivery once more, by repeating this action, packed article 3 is packaged in the plastic sheeting 1 in rapid succession automatically with specified amount.
In addition, for keeping the volume packaged configuration of the packed article 3 of increase easily well, carry out described vertically seal before, be provided with make angle brace pawl 9A from the two sides of tubular plastic sheeting 1 inwardly the side push and dodge, the sidepiece of tubular plastic sheeting 1 folded in (having support bar) angle brace device 9 of side.
The present invention is applicable to vertical closing device of this packing device 6 and shutoff device 7.
Next, the structure that just becomes vertical closing device 6 of main spirit of the present invention serves as main describing with accompanying drawing 8～12.
Present embodiment is that the present invention is applicable to the closing device that packing device is used, promptly, below the setting up and down of the tubular plastic sheeting 1 that holds packed article 3 with predetermined distance cramping body 21 with above cramping body 22, make this cramping body 21,22 is near each other mobile at above-below direction, from foreign side the midway location of the packed article 3 of the plastic sheeting 1 doing at assigned position to stop to carry and packed article 3 is given clamping, by this cramping body 21, the temperature booster heat of 22 top end surface comes between the deposited plastic sheeting and 3 of the packed articles of plastic sheeting 1 is carried out subregion seal, the central portion that utilizes shutoff device 7 to cut off this heat-sealing position P is again sent the packaging bag that packed article 3 is housed 12 cut-outs of conveyor side.
At this moment, the central portion of described below cramping body 21 in the present embodiment, Width along plastic sheeting 1 is provided with space part 23, this space part 23 is made below cramping body 21 is broken into the slot portion 23 of fore-and-aft direction at the throughput direction branch of plastic sheeting 1, so that utilize the disjunction of this slot portion 23 to carry out two heat-sealing.
Set on the plastic sheeting that constitutes with tabular body free to advance or retreat up and down at these slot portion 23 positions and to push away body 20.
About on push away, drive the driver train 24 of advancing and retreat up and down that pushes away body 20 on this plastic sheeting concrete structure as described later, in the present embodiment, in clamping up and down before the cramping body 21,22, promptly, cramping body 21 rises and before the clamping that is used for sealing moves below making, make with advancing and retreat driver train 24 up and down earlier to push away body 20 risings on the plastic sheeting, the headboard edge that then pushes away body 20 on this plastic sheeting makes tubular plastic sheeting 1 push away from the below.
Therefore, tubular plastic sheeting 1 is by intermittent delivery, the position of 21,22 of cramping bodies about packed article 3 in the plastic sheeting 1 is positioned at the midway location of packed article 3, and stop to carry for sealing, push away only and stretch out when pushing away body 20 on the plastic sheeting, its headboard edge just pushes away on the heat-sealing position P that makes tubular plastic sheeting 1 all the time reliably.
In addition, in the present embodiment, the width dimensions that pushes away body 20 on this tabular plastic sheeting is set for roughly consistent, be enough to make the headboard edge to plastic sheeting 1 extruding and set for by the pushing amount that pushes away the plastic sheeting 1 that body 20 produces on the plastic sheeting with the width dimensions of the heat-sealing position P of barrel-contoured plastic sheeting 1.Therefore, the headboard edge that pushes away body 20 on this plastic sheeting pushes from the below to plastic sheeting 1, and the heat-sealing position P of the lower portion of plastic sheeting 1 becomes the peak edge, and promptly the Width along barrel-contoured plastic sheeting 1 becomes the inwardly square crest shape that raises in crest line ground.
Therefore, even the 3A that minces of packed article 3 is arranged at heat-sealing position P, also can by this press-out and because of heat-sealing position P be that peak edge (crest line) makes to be tilted with mincing the 3A dimidiation and slips, gets rid of.
Therefore, before sealing,, can seal bad causer 3A and get rid of, thereby can prevent because of biting sealing of producing bad all the time becoming from heat-sealing position P in advance by carrying out pushing away on this plastic sheeting the press-out of body 20.
In addition, in the present embodiment, the central portion of cramping body 22 up is along the Width of plastic sheeting 1 and be provided with slot portion 25, in this slot portion 25, set the knife plate 7A that the central portion to described two heat-sealing position P free to advance or retreat up and down cut off and shutoff device 7 is set.
Below, structure more specifically, the principle of work of present embodiment described.
Present embodiment constitute along about pilot bar 26 and make the state of below cramping body 21 liftings, vertical is provided with cramping body and drives cylinder 28 on the bottom installation portion 27 of cramping body 21 below this.
In the present embodiment, on described bottom installation portion 27, be arranged side by side cramping body and drive cylinder 28, and about be provided with to push away and drive cylinder 29, make to push away the connecting rod 30 that drives cylinder 29 on this and run through bottom installation portion 27 with guide rod 31, and with plastic sheeting on push away body 20 and be connected and constitute the described driver train 24 of advancing and retreat up and down.
In addition, the top of described left and right sides guide rod 26 be provided with have shutoff device 7 above cramping body 22, and the top cramping body that drives this left and right sides guide rod 26 be set drive cylinder 32.
Therefore, present embodiment, at first by on push away the action that drives cylinder 29, connecting rod 30 is stretched out upward,, make tabular plastic sheeting push away body 20 risings and push away plastic sheeting 1 as guiding with guide rod 31 from the slot portion 23 of below cramping body 21.
Thus, the packed article 3 of heat-sealing position P mince etc. become and seal poor prognostic cause thing 3A and be excluded.
Then, the action by cramping body driving cylinder 28 is risen the below cramping body 21 that comprises bottom installation portion 27 like this, meanwhile, makes the top cramping body drive cylinder 32 actions and drives left and right sides guide rod 26, and cramping body 22 descends above making.
Described below cramping body 21 is in the position of colliding with top cramping body 22, barrel-contoured plastic sheeting 1 is held and is subjected to two heat-sealing, again by making described top cramping body drive cylinder 32 actions, and make the knife plate 7A of shutoff device 7 outstanding downwards from the slot portion 25 of top cramping body 22, cut off the central portion of the heat-sealing position P of plastic sheeting 1.
In the present embodiment, do not hinder described knife plate 7A to cut off the position of processing, just can get rid of reliably to become and seal bad causer 3A pushing away on the plastic sheeting to shift onto on the body 20.
In addition, in the present embodiment, be to make tabular body pushing away body 20 on the plastic sheeting, and set the consistent state of width dimensions for the heat-sealing position P of plastic sheeting 1, to push away the structure that pushes away on the body 20 on two blocks of plastic sheetings but also can make, maybe will on push away body 20 and make and be not tabular body but the structure of pin shape body, and make it carry out a plurality of press-outs at certain intervals.
As above be described in detail, because the present invention constitutes as described above, even so have becoming of mincing of packed article 3 and so on to seal bad causer 3A at heat-sealing position P, stretch out as long as make to push away on the plastic sheeting to push away on the body 20, just it can be got rid of, can constitute energy will be because of biting the closing device that the bad packing device of preventing trouble before it happens of sealing of generation is used, and, before sealing, owing to must can further bring into play the closing device that prevents that the described very later-model packing device that seals bad effect from using reliably so can become becoming the described bad causer 3A eliminating of sealing.
In addition, in the present invention, by pushing away on the plastic sheeting on the below cramping body 21 that body 20 is configured in existing hot sealing device, push away on needing only and push away body 20 on the drive controlling plastic sheeting, just can utilize the top edge that pushes away body 20 on the plastic sheeting up to push away from the below with plastic sheeting 1, the heat-sealing position P of the lower portion of plastic sheeting 1 becomes inwardly square (crest line) the crest shape that raises into of peak edge, describedly seal bad causer 3A thereby can remove from the heat-sealing position P of barrel-contoured plastic sheeting 1 to become, thereby can provide a kind of simple in structure, also can be suitable for the closing device that the extremely excellent packing device of practicality of the present invention is used to existing closing device.
In addition, in the present invention, by below be provided with on the cramping body 21 and push away body 20 on the plastic sheeting, on the cramping body 22 shutoff device 7 be set up, thereby also can make the cut-out of heat-sealing position P be treated as up-to-standard state, and also need not to be provided with the space, the practicality closing device that more excellent packing device is used can be provided.
The possibility of industrial application
The hot sealing device that the present invention uses applicable to horizontal pillow type packing device and shearing device etc., as: will roll up The plastic sheeting of coiled cylinder shape is drawn, is led, and by the fold mechanism that arranges at packing device it is rolled over Build up eighty percent discount and supply to conveying device, the formation tubular is also packed, and maybe will be pre-formed the plastics of eighty percent discount Film directly supplies to conveying device, and the formation tubular is also packed.

Claims (5)

1. closing device that packing device is used, the closing device that to be intermittent delivery hold between the tubular plastic sheeting of packed article, packed article in plastic sheeting foreign side this plastic sheeting of clamping and the packing device that plastic sheeting seals is used with predetermined distance, it is characterized in that, be provided with on the plastic sheeting that the heat-sealing position of described plastic sheeting is pushed away up and push away body.
2. the closing device that packing device as claimed in claim 1 is used is characterized in that, becomes on described heat-sealing position is done and pushes away the state that stretches out pushing away body before the described tubular plastic sheeting of heat-sealing on the described plastic sheeting.
3. the closing device that packing device as claimed in claim 1 or 2 is used, it is characterized in that, at the Width of lower edge plastic sheeting on the barrel-contoured plastic sheeting and below disposing cramping body and above cramping body, for with described both sides' cramping body clamping plastic sheeting and the closing device that the packing device that described retained part seals is used, the central portion of cramping body is provided with space part along the Width of described tubular plastic sheeting below described, pushes away body on the configuration described plastic sheeting free to advance or retreat up and down in described space part.
4. the closing device that packing device as claimed in claim 3 is used, it is characterized in that, slot portion is set as space part for carrying out two heat-sealings central portion of cramping body below described, in described slot portion, push away body on the configuration described plastic sheeting free to advance or retreat up and down, and below cramping body rise and push away body on the described plastic sheeting before sealing and become state from press-out to the central portion of described two heat-sealing positions that do.
5. the closing device that packing device as claimed in claim 4 is used is characterized in that, the central portion of cramping body disposes the knife plate that the central portion with described two heat-sealing positions cut off free to advance or retreatly and shutoff device is set above described.
CN97191557A 1996-11-08 1997-10-30 Sealing device for packaging apparatus Expired - Fee Related CN1102522C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP29606396A JP3237746B2 (en) 1996-11-08 1996-11-08 Sealing device in packaging equipment
JP296063/96 1996-11-08
JP296063/1996 1996-11-08

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CN1207073A CN1207073A (en) 1999-02-03
CN1102522C true CN1102522C (en) 2003-03-05

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KR (1) KR100315558B1 (en)
CN (1) CN1102522C (en)
WO (1) WO1998021096A1 (en)

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Publication number Priority date Publication date Assignee Title
JP5126927B2 (en) * 2005-10-17 2013-01-23 大森機械工業株式会社 Horizontal pillow packaging machine
US8313072B2 (en) 2007-08-27 2012-11-20 Hewlett-Packard Development Company, L. P. Monitor as a door
CN105799964B (en) * 2016-05-21 2018-01-30 温州市通达包装机械厂 A kind of three-dimensional packaging machine
CN107021269A (en) * 2017-06-25 2017-08-08 江苏福利达农业科技有限公司 A kind of edible mushroom packs bag sealing device
CN109466815B (en) * 2018-12-29 2023-10-13 汕头市南墩机械有限公司 File bag packagine machine
CN110547144B (en) * 2019-10-15 2021-11-05 刘津君 Clamping-free ghost umbrella encircling and cutting device
EP4144656A4 (en) * 2020-05-01 2024-02-28 Totani Corp Heat sealing device
CN111761826B (en) * 2020-06-02 2022-06-28 倪鸿宁 Ear belt connecting device is used in production of epidemic prevention gauze mask
JP7297315B2 (en) * 2020-08-28 2023-06-26 株式会社フジキカイ packaging equipment
CN112224485B (en) * 2020-09-15 2022-05-17 北京三快在线科技有限公司 External belt article packaging machine
CN112873927A (en) * 2021-02-01 2021-06-01 段恩茂 Continuous blow molding method for degradable plastic bag
CN115351612A (en) * 2022-10-17 2022-11-18 常州盛沅新材料科技有限公司 Packaging film apparatus for producing

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JPS61273311A (en) * 1985-05-17 1986-12-03 大森機械工業株式会社 Lateral pillow packer
JPS6216306A (en) * 1985-07-04 1987-01-24 大森機械工業株式会社 Lateral pillow packer
JPH0329713A (en) * 1989-06-14 1991-02-07 Kureha Chem Ind Co Ltd Filling and packing apparatus

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KR100315558B1 (en) 2002-01-17
JP3237746B2 (en) 2001-12-10
JPH10139015A (en) 1998-05-26
CN1207073A (en) 1999-02-03
KR19990076982A (en) 1999-10-25
WO1998021096A1 (en) 1998-05-22

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