WO2010095438A1 - Three-side seal film packaging machine - Google Patents
Three-side seal film packaging machine Download PDFInfo
- Publication number
- WO2010095438A1 WO2010095438A1 PCT/JP2010/001045 JP2010001045W WO2010095438A1 WO 2010095438 A1 WO2010095438 A1 WO 2010095438A1 JP 2010001045 W JP2010001045 W JP 2010001045W WO 2010095438 A1 WO2010095438 A1 WO 2010095438A1
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- WIPO (PCT)
- Prior art keywords
- horizontal
- sealer
- packaging film
- film
- sealers
- Prior art date
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Classifications
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- 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
- B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
- B65B65/02—Driving gear
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- B29C66/822—Transmission mechanisms
- B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
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- 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
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
- B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
- B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
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- 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
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- 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
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
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- 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
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- 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
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- 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
- B29C66/822—Transmission mechanisms
- B29C66/8225—Crank mechanisms
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- 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
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
- B29C66/83411—Roller, cylinder or drum types
- B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
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- 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
- B29C66/841—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions
- B29C66/8412—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height
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- 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
Definitions
- the present invention relates to a three-side seal film packaging machine, and more particularly, a three-side seal that simplifies a mechanism for performing vertical driving and reciprocating movement in a horizontal direction in a pair of upper and lower horizontal sealers and facilitates the manufacture thereof.
- the present invention relates to a film packaging machine.
- a packaging film is encapsulated in a package, and a three-side sealed wrapping bag of a predetermined length according to the longitudinal dimension of the packaged object is formed by welding a vertical sealer and a transverse sealer (end sealer).
- a cam, toggle mechanism, lever, and crank a pair of upper and lower horizontal sealers are driven so as to drive in the vertical direction to approach and separate from each other in synchronism with the conveyance speed of the packaging film and to reciprocate in the horizontal direction.
- a film packaging machine is known (for example, Patent Document 1).
- Such a film packaging machine uses a cam, a toggle mechanism, a lever, and a crank to drive a vertical drive for moving a pair of horizontal sealers up and down and a horizontal reciprocating movement.
- the manufacturing process is cumbersome and costly, noise is generated, and maintenance is troublesome.
- the present invention has been made to solve such a problem, and has a simple mechanism for performing vertical drive for approaching / separating in a pair of upper and lower horizontal sealers and reciprocation in the horizontal direction, and is manufactured.
- Another object of the present invention is to provide a three-side seal film packaging machine that is easy to maintain, does not generate noise, and is inexpensive to manufacture.
- the three-side seal film packaging machine of the present invention wraps an article to be wrapped in a packaging film by a former, and welds a vertical sealer and a pair of horizontal sealers so as to have a predetermined packaging length. It forms a sealed bag.
- the pair of horizontal sealers is mounted on a frame formed of a vertical beam, a horizontal beam, and a column beam arranged in parallel, and along a linear bar planted at a fixed position.
- a double-crank mechanism that is slidable back and forth and drives a pair of horizontal sealers up and down so as to approach and separate from each other in synchronization with the conveyance speed of the packaging film, and separation from the packaging film from the point of contact with the packaging film
- the pair of horizontal sealers are moved in synchronization with the transport speed of the packaging film up to the point in time, and the pair of horizontal sealers are swung by shifting from the transport speed of the packaging film from the time of separation from the packaging film to the time of contact with the packaging film.
- a slider crank mechanism that is slidable back and forth and drives a pair of horizontal sealers up and down so as to approach and separate from each other in synchronization with the conveyance speed of the packaging film, and separation from the packaging film from the point of contact with the packaging film.
- the double crank mechanism includes a drive unit driven by a lateral sealer drive motor, a lateral sealer crank rotated by the drive unit, and a pair of motions converted by a lateral sealer crank.
- the slider crank mechanism includes a drive unit driven by a horizontal sealer drive motor, a horizontal sealer crank rotated by the drive unit, and is fixed to a linear bar at a fixed position and can swing. And a horizontal sealer slider that swings and slides by the rotation of the horizontal sealer crank to swing the pair of horizontal sealers.
- the supply conveyor motor for driving the supply conveyor for conveying the packaging film and the vertical sealer motor for rotationally driving the center conveyor and the vertical sealer are controlled so as to synchronize with the conveyance speed of the packaging film.
- a first control circuit is provided.
- the pair of lateral sealers are moved in synchronization with the transport speed of the packaging film from the time of contact with the packaging film to the time of separation from the packaging film, and the lateral sealer drive motor is moved from the packaging film.
- a second control circuit for controlling the pair of horizontal sealers to swing by shifting from the conveyance speed of the packaging film from the time of separation to the time of contact with the packaging film.
- a conduction / control box is provided on the frame formed of the vertical beam, the horizontal beam, and the column beam, and a supply conveyor motor and a vertical sealer motor are attached to the outside of the conduction / control box.
- a conduction part from the supply conveyor motor to the supply conveyor and a conduction part from the vertical sealer motor to the vertical sealer.
- the mechanism for driving the reciprocation and the approach and separation of the pair of upper and lower horizontal sealers is simple and easy to manufacture and maintain. No noise is generated and the manufacturing cost is low.
- a frame formed of vertical beam, horizontal beam, and column beam is provided with a conduction / control box. Inside, a conduction part from the supply conveyor motor to the supply conveyor and a conduction part from the vertical sealer motor to the vertical sealer are attached. Even if dust falls in the frame, cleaning is easy, and a particularly good sanitary environment can be provided especially in packaging in food-related fields.
- the front view which shows the three-side seal film packaging machine of this invention The side view seen from the carrying-out conveyor side which shows the three-side seal film packaging machine of this invention.
- the functional block diagram of the three-side seal film packaging machine of this invention. 4 (a) and 4 (b) are front views showing a moving state of the horizontal sealer of the three-side seal film packaging machine of the present invention.
- 6A and 6B are side views showing the operation of the horizontal sealer in the three-side seal film packaging machine of the present invention. Explanatory drawing which shows the locus
- the motion diagram of a horizontal sealer in the three-side seal film packaging machine of this invention The perspective view which shows the flame
- the three-side seal film packaging machine of the present invention feeds and conveys an object to be packaged 20 by a supply conveyor 3, and wraps it in a packaging film 11 by a former 2.
- 4 ' conveys with the center conveyor 6, forms the three-sided sealing wrapping bag 20a of predetermined wrapping length by the welding cutting of the horizontal sealers 5 and 5', and carries it out by the carry-out conveyor 7.
- the vertical sealers 4 and 4 ′, the horizontal sealers 5 and 5 ′, and the center conveyor 6 that perform such a packaging operation are driven by the control unit 9 a (FIG. 11) as described below.
- the frame 100 used in the three-side seal film packaging machine includes a lower vertical beam 101a, 101b, 101c, an upper vertical beam 102, a lower horizontal beam 103a, 103b, upper horizontal beams 104a and 104b, column beams 105a, 105b, 105c, 106a, 106b, 106c and 106d, and reinforcing beams 107a, 107b and 107c.
- cylindrical tubes made of stainless steel are used, and each beam is fastened by a T-shaped joint J.
- the reinforcing beam 107 a is provided between the lower vertical beam 101 a and the upper vertical beam 102.
- the supply conveyor 3 is supported by a column beam 106a and a reinforcing beam 107c.
- a conduction / control box 9 is provided on the frame formed by the upper vertical beam 102 and the column beams 106a, 106b, 106c, 106d.
- a horizontal sealer 5, 5 ' is provided on the frame formed by the lower vertical beams 101a, 101b, 101c, the upper horizontal beams 104a, 104b, and the column beams 105a, 105b, 105c, 106c.
- the supply conveyor 3 is driven from a supply conveyor motor M3 attached to the outside of the conduction / control box 9 by a conduction portion 9b attached to the inside of the conduction / control box 9 (FIGS. 3 and 11).
- the vertical sealers 4 and 4 ′ are driven from a vertical sealer motor M 2 attached to the outside of the conduction / control box 9 by a conduction portion 9 c attached to the inside of the conduction / control box 9 (FIGS. 3 and 11).
- the center conveyor 6 and the carry-out conveyor 7 are driven synchronously by the conduction part 9c (FIGS. 3 and 11).
- the conduction / control box 9 is provided with a setting panel 10 for setting various parameters and an operation panel 13 (FIG. 11) for performing operations such as starting and stopping.
- the control unit 9a provided in the conduction / control box 9 controls the vertical sealers 4, 4 ', the horizontal sealers 5, 5', the center conveyor 6 and the like that perform the packaging operation according to the parameters set by the setting panel 10.
- the movement of the horizontal sealers 5 and 5 ′ is detected, control signals are input from the horizontal sealer origin sensor 74 and the horizontal sealer speed change sensor 75, and the feed length of the supply conveyor 3 is detected by the packaging length encoder 72.
- the control signal is input.
- the pair of horizontal sealers 5, 5 ' is provided so as to be slidable back and forth along the linear bar 56 planted at a fixed position (FIG. 5).
- the three-side seal film packaging machine of the present invention drives a pair of horizontal sealers 5, 5 ′ up and down so as to approach and separate from each other in synchronization with the conveyance speed of the packaging film 11.
- a double crank mechanism 35 is provided.
- the double crank mechanism 35 includes a drive unit 34 including a horizontal sealer drive gear 33 and a horizontal sealer driven gear 32 driven by a horizontal sealer drive motor M1, a horizontal sealer crank 30 rotated by the drive unit 34, and a horizontal sealer crank. 30, the lower sealer connecting rod 52 that drives the lower sealer 5 of the pair of horizontal sealers 5 and 5 'up and down, and the upper sealer 5' of the pair of horizontal sealers that are converted by the horizontal sealer crank 28 and moved up and down.
- An upper sealer connecting rod 26 is provided.
- the horizontal sealer crank 30, the horizontal sealer crank 28, and the horizontal sealer crankpin 29 are fixed.
- the lower sealer connecting rod 52 is pivotally attached to the lateral sealer crankpin 29 via a bearing 29 '.
- the three-side seal film packaging machine of the present invention as shown in FIGS. 4 (a), (b), 5, and 7, from the contact point La to the packaging film 11 to the separation point Lb from the packaging film 11.
- the pair of horizontal sealers 5, 5 ′ are moved in synchronization with the transport speed of the packaging film 11, and are shifted from the transport speed of the packaging film 11 from the separation time Lb from the packaging film 11 to the contact time La of the packaging film 11.
- the slider crank mechanism 50 which rocks
- the slider crank mechanism 50 includes a drive unit 34 including a horizontal sealer drive gear 33 and a horizontal sealer driven gear 32 driven by a horizontal sealer drive motor M1, a horizontal sealer crank 30 rotated by the drive unit 34, and a fixed position.
- a pair of rollers 51 fixed to the linear bar 56 and locked to both ends of the swingable horizontal sealer swing shaft 54 are fitted in the long holes 52b and swing and slide by the rotation of the horizontal sealer crank 30.
- a horizontal sealer slider 52a for swinging the horizontal sealers 5 and 5 '.
- the lower sealer 5 is fixed to the lower sealer mounting base 53, and the lower sealer mounting base 53 is attached to the upper ends of the pair of horizontal sealer sliders 52a.
- the upper sealer 5 ′ is fixed to the upper sealer mounting base 25 by an upper sealer mounting portion 24 to which a spring 23 is mounted, so that the upper sealer mounting base 25 is pivotally attached to the upper ends of the pair of upper sealer connecting rods 26. Has been.
- control unit 9a includes a supply conveyor motor M3 that drives the supply conveyor 3 that conveys the packaging film 11, and a vertical sealer motor M2 that rotationally drives the center conveyor 6 and the vertical sealers 4 and 4 ′.
- a supply conveyor motor M3 that drives the supply conveyor 3 that conveys the packaging film 11
- a vertical sealer motor M2 that rotationally drives the center conveyor 6 and the vertical sealers 4 and 4 ′.
- the controller 9a synchronizes the lateral sealer drive motor M1 with the transport speed of the packaging film 11 from the contact point La to the packaging film 11 to the separation point Lb from the packaging film 11.
- the pair of horizontal sealers 5, 5 ′ is moved, and the pair of horizontal sealers 5, 5 ′ is shaken by shifting from the conveyance speed of the packaging film 11 from the separation time Lb from the packaging film 11 to the contact time La to the packaging film 11.
- a second control circuit 71 for controlling the movement is provided (FIGS. 1, 3, 10, and 11).
- an operator guides the packaging film 11 from the former 2 to the vertical sealers 4 and 4 ′ via the film tensioner 12 in advance.
- a three-side sealed wrapping bag for enclosing the object to be packaged 20 is prepared.
- the heaters 36 and 37 (FIG. 11) of each sealer are energized in advance and temperature controlled so that the packaging film 11 can be welded by the vertical sealers 4 and 4 'and welded and cut by the horizontal sealers 5 and 5'.
- the supply conveyor 3 When an operator (operator) places the article to be packaged 20 on the supply conveyor 3 and presses a packaging start button (not shown) on the operation panel 13, the supply conveyor 3 is attached to the outside of the conduction / control box 9. It is driven from the supply conveyor motor M3 by the conduction portion 9b attached to the inside of the conduction / control box 9.
- the controller 9a provided in the conduction / control box 9 detects the feed amount of the supply conveyor 3 with the packaging length encoder 72, and the control signal is input.
- the vertical sealers 4, 4 ′ are transferred from the vertical sealer motor M 2 mounted outside the conduction / control box 9 by the second control circuit 71 of the control unit 9 a to the conduction unit 9 c mounted inside the conduction / control box 9.
- the wrapping film 11 that is driven to rotate and shaped into a three-sided sealed wrap by the former 2 is vertically sealed.
- the center film 6 is driven by the conductive portion 9c and sent to the pair of horizontal sealers 5, 5 '.
- the controller 9 a provided in the conduction / control box 9 detects the movement of the lateral sealers 5, 5 ′, and receives control signals from the lateral sealer origin sensor 74 and the lateral sealer speed change sensor 75.
- the double crank mechanism 35 is a horizontal sealer rotated by a drive unit 34 including a horizontal sealer drive gear 33 driven by a horizontal sealer drive motor M1 and a horizontal sealer driven gear 32 by a first control circuit 70 of the control unit 9a.
- the lower sealer connecting rod 52 moves the lower sealer 5 and the lower sealer 5 is driven up and down by the lower sealer connecting rod 52, and the lower sealer connecting rod 26 moves the pair of horizontal sealers by the upper sealer connecting rod 26.
- the upper sealer 5 ' is driven up and down. In this way, the double crank mechanism 35 drives the pair of horizontal sealers 5 and 5 'up and down so as to approach and separate from each other in synchronism with the transport speed of the packaging film 11, that is, 180 degrees out of phase. 6 (a), (b)).
- the horizontal sealer crank 30 is rotated by the drive unit 34 including the horizontal sealer drive gear 33 and the horizontal sealer driven gear 32 driven by the horizontal sealer drive motor M1, and the slider crank mechanism 50 is fixed by the horizontal sealer slider 52a.
- a roller 51 fixed to the linear bar 56 at a position and locked to both ends of a swingable horizontal sealer swing shaft 54 is fitted into the elongated hole 52b and swings and slides by the rotation of the horizontal sealer crank 30. Then, the pair of horizontal sealers 5, 5 ′ are swung (FIGS. 4A and 4B).
- the slider crank mechanism 50 moves the pair of horizontal sealers 5, 5 'in synchronization with the transport speed of the packaging film 11 from the contact point La to the packaging film 11 to the separation point Lb from the packaging film 11, and the packaging film 11 is moved.
- the pair of horizontal sealers 5 and 5 ' are oscillated by shifting from the conveying speed of the packaging film 11 from the separation time Lb from 11 to the contact time La to the packaging film 11 (FIGS. 7 and 8).
- the pair of horizontal sealers 5 and 5 ′ overlap in the vertical direction across the center line CL through which the packaging film 11 that encloses the package 20 passes. Therefore, the escape can be absorbed by the spring 23 provided on the upper sealer 21.
- the spring 23 also functions to moderately regulate the welding and fusing pressure of the pair of horizontal sealers 5 and 5 ′ on the packaging film 11.
- the pair of horizontal sealers 5 and 5 ′ perform a motion of drawing a combined trajectory UL and LL as shown in FIG.
- the feed amount of the supply conveyor 3 is measured by the packaging length encoder 72, and the three-side sealed packaging bag 20 a having a predetermined packaging length is set according to the parameters set by the setting panel 10.
- the thus formed three-side seal wrapping bag 20a is carried out by the carry-out conveyor 7 driven by the conductive portion 9c.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Package Closures (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
Description
Claims (6)
- 被包装物をフォーマにより包装フイルムに被包し、縦シーラの溶着および一対の横シーラの溶着溶断により所定包袋長の三方シール包袋を形成する三方シールフイルム包装機において、
前記一対の横シーラは、それぞれ平行配置された縦ビーム、横ビーム、柱ビームで形成されたフレームに装着され、かつ定位置に植立されたリニアバーに沿って往復摺動自在に設けられ、
前記包装フイルムの搬送速度に同期して互いに接近・離反するように前記一対の横シーラを上下に駆動するダブルクランク機構と、
前記包装フイルムへの接触時点より前記包装フイルムからの離反時点まで前記包装フイルムの搬送速度に同期して前記一対の横シーラを移動させ、前記包装フイルムからの離反時点より前記包装フイルムへの接触時点まで前記包装フイルムの搬送速度から変速させて前記一対の横シーラを揺動するスライダクランク機構とを備えることを特徴とする三方シールフイルム包装機。 In a three-side seal film packaging machine that forms a three-side sealed wrapping bag of a predetermined wrapping length by wrapping an article to be wrapped in a wrapping film with a former and welding a longitudinal sealer and a pair of transverse sealers.
The pair of horizontal sealers are mounted on a frame formed of a longitudinal beam, a lateral beam, and a column beam, which are arranged in parallel, and are slidable along a linear bar planted at a fixed position.
A double crank mechanism for driving the pair of horizontal sealers up and down so as to approach and separate from each other in synchronization with the transport speed of the packaging film;
The pair of horizontal sealers are moved in synchronization with the transport speed of the packaging film from the time of contact with the packaging film to the time of separation from the packaging film, and the time of contact with the packaging film from the time of separation from the packaging film. A three-side seal film packaging machine, comprising: a slider crank mechanism that swings the pair of horizontal sealers by shifting from the transport speed of the packaging film. - 前記ダブルクランク機構は、横シーラ駆動モータで駆動される駆動部と、前記駆動部で回動される横シーラクランクと、前記横シーラクランクで運動変換され前記一対の横シーラの下シーラを上下に駆動する下シーラ連接桿と、前記横シーラクランクで運動変換され前記一対の横シーラの上シーラを上下に駆動する上シーラ連接桿とを備えることを特徴とする請求項1記載の三方シールフイルム包装機。 The double crank mechanism includes a drive unit driven by a horizontal sealer drive motor, a horizontal sealer crank that is rotated by the drive unit, and a motion that is converted by the horizontal sealer crank so that the lower sealer of the pair of horizontal sealers moves up and down. The three-side seal film packaging according to claim 1, further comprising: a lower sealer connecting rod for driving and an upper sealer connecting rod which is converted in motion by the horizontal sealer crank and drives the upper sealer of the pair of horizontal sealers up and down. Machine.
- 前記スライダクランク機構は、横シーラ駆動モータで駆動される駆動部と、前記駆動部で回動される横シーラクランクと、前記定位置で前記リニアバーに固定されて揺動自在の横シーラ揺動軸が嵌合し前記横シーラクランクの回動によって揺動し摺動して前記一対の横シーラを揺動する横シーラスライダとを備えることを特徴とする請求項1記載の三方シールフイルム包装機。 The slider crank mechanism includes a drive unit driven by a horizontal sealer drive motor, a horizontal sealer crank rotated by the drive unit, and a horizontal sealer swinging shaft fixed to the linear bar and swingable at the fixed position. The three-side seal film packaging machine according to claim 1, further comprising a horizontal sealer slider that fits and swings and slides by rotation of the horizontal sealer crank to swing the pair of horizontal sealers.
- 前記包装フイルムを搬送する供給コンベアを駆動する供給コンベアモータと、前記センターコンベア及び前記縦シーラを回転駆動する縦シーラモータとを、前記包装フイルムの搬送速度に同期するように制御する第1の制御回路を備えることを特徴とする請求項1記載の三方シールフイルム包装機。 A first control circuit that controls a supply conveyor motor that drives a supply conveyor that conveys the packaging film and a vertical sealer motor that rotationally drives the center conveyor and the vertical sealer so as to be synchronized with the conveyance speed of the packaging film. The three-side seal film packaging machine according to claim 1, further comprising:
- 前記横シーラ駆動モータを、前記包装フイルムへの接触時点より前記包装フイルムからの離反時点まで前記包装フイルムの搬送速度に同期して前記一対の横シーラを移動させ、前記包装フイルムからの離反時点より前記包装フイルムへの接触時点まで前記包装フイルムの搬送速度から変速させて前記一対の横シーラを揺動するように制御する第2の制御回路を備えることを特徴とする請求項3記載の三方シールフイルム包装機。 The horizontal sealer drive motor moves the pair of horizontal sealers in synchronization with the transport speed of the packaging film from the time of contact with the packaging film to the time of separation from the packaging film, and from the time of separation from the packaging film. 4. The three-way seal according to claim 3, further comprising a second control circuit that controls to swing the pair of horizontal sealers by shifting from the conveyance speed of the packaging film until the time of contact with the packaging film. Film packaging machine.
- 前記縦ビーム、横ビーム、柱ビームで形成された前記フレームには伝導・制御ボックスを設け、
前記伝導・制御ボックスの外側には前記供給コンベアモータ及び前記縦シーラモータを取付け、内側には前記供給コンベアモータから前記供給コンベアへの伝導部、前記縦シーラモータから前記縦シーラへの伝導部を取付けることを特徴とする請求項4又は5記載の三方シールフイルム包装機。 A conduction / control box is provided on the frame formed of the vertical beam, horizontal beam, and column beam,
The supply conveyor motor and the vertical sealer motor are attached to the outside of the conduction / control box, and the conduction portion from the supply conveyor motor to the supply conveyor and the conduction portion from the vertical sealer motor to the vertical sealer are attached to the inside. The three-side seal film packaging machine according to claim 4 or 5.
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KR (1) | KR101630476B1 (en) |
CN (1) | CN102325697B (en) |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103332335A (en) * | 2013-05-27 | 2013-10-02 | 武汉人天包装技术有限公司 | Transverse packet sealing device |
ITTO20130682A1 (en) * | 2013-08-08 | 2015-02-09 | Cavanna Spa | FLOW-PACK PACKAGING MACHINE |
EP2938975B1 (en) | 2013-02-28 | 2019-11-27 | Bizerba SE & Co. KG | Frame of a weighing/conveying device |
US11524809B2 (en) * | 2017-10-12 | 2022-12-13 | Weber Maschinenbau Gmbh Breidenbach | Working station with a lifting mechanism for a packaging machine |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101288069B1 (en) | 2011-11-14 | 2013-07-18 | 현대모비스 주식회사 | Parking assistance system using projector and method thereof |
ITVI20120078A1 (en) * | 2012-04-03 | 2013-10-04 | Easy Access Internat Co Limi Ted | SUPPORT FRAME FOR INDUSTRIAL MACHINERY |
JP5756978B2 (en) * | 2013-06-10 | 2015-07-29 | 株式会社鈴木製作所 | Three-side seal film packaging machine |
CN103738517A (en) * | 2014-01-24 | 2014-04-23 | 万世泰金属工业(昆山)有限公司 | Full-automatic metal plate packing machine |
KR102095733B1 (en) * | 2018-12-03 | 2020-04-20 | 이무재 | Cutting and Heating Apparatus of Wrapping Paper |
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CN114906357B (en) * | 2022-06-21 | 2023-11-24 | 江西喜果生物科技有限公司 | Traditional chinese medicine composition health preserving bath package packing plant based on chinese yew raw materials |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS642704U (en) * | 1987-06-22 | 1989-01-10 | ||
JP2001278222A (en) * | 2000-04-03 | 2001-10-10 | Fuji Mach Co Ltd | Horizontal sealing device of horizontal bag-making and filling machine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58131055A (en) * | 1982-01-29 | 1983-08-04 | 三菱瓦斯化学株式会社 | Method of manufacturing bag from package |
JPH019457Y2 (en) * | 1985-12-09 | 1989-03-15 | ||
US4819406A (en) * | 1987-09-25 | 1989-04-11 | Sanford Redmond Inc. | Compact form-fill-seal machine for automatic production of sealed packages |
JP2953517B1 (en) * | 1998-05-20 | 1999-09-27 | 日本精機株式会社 | Heat sealing device in filling and packaging machine |
TW482163U (en) * | 2001-05-02 | 2002-04-01 | Chi-Tzung Chen | Structure improvement of membrane pulling installation of sealing machine for package |
AU2005337595B2 (en) * | 2005-10-19 | 2010-07-22 | Orihiro Engineering Co., Ltd. | Packaging device |
CN101195426A (en) * | 2006-12-05 | 2008-06-11 | 天津百畅医疗器械科技有限公司 | Two-side film membrane package for oxirane disinfection |
US8539740B2 (en) * | 2007-01-16 | 2013-09-24 | Orihiro Engineering Co., Ltd. | Filling and packaging machine and process for producing package |
-
2009
- 2009-02-20 JP JP2009038471A patent/JP4620787B2/en not_active Expired - Fee Related
-
2010
- 2010-02-18 WO PCT/JP2010/001045 patent/WO2010095438A1/en active Application Filing
- 2010-02-18 KR KR1020117021164A patent/KR101630476B1/en active IP Right Grant
- 2010-02-18 MY MYPI2011003609A patent/MY154449A/en unknown
- 2010-02-18 CN CN2010800081403A patent/CN102325697B/en not_active Expired - Fee Related
- 2010-02-22 TW TW099105067A patent/TWI520877B/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS642704U (en) * | 1987-06-22 | 1989-01-10 | ||
JP2001278222A (en) * | 2000-04-03 | 2001-10-10 | Fuji Mach Co Ltd | Horizontal sealing device of horizontal bag-making and filling machine |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2938975B1 (en) | 2013-02-28 | 2019-11-27 | Bizerba SE & Co. KG | Frame of a weighing/conveying device |
CN103332335A (en) * | 2013-05-27 | 2013-10-02 | 武汉人天包装技术有限公司 | Transverse packet sealing device |
ITTO20130682A1 (en) * | 2013-08-08 | 2015-02-09 | Cavanna Spa | FLOW-PACK PACKAGING MACHINE |
EP2851306A1 (en) * | 2013-08-08 | 2015-03-25 | Cavanna S.p.A. | A flow-pack packaging machine |
US11524809B2 (en) * | 2017-10-12 | 2022-12-13 | Weber Maschinenbau Gmbh Breidenbach | Working station with a lifting mechanism for a packaging machine |
EP4276026A3 (en) * | 2017-10-12 | 2024-04-03 | Weber Food Technology GmbH | Working station with a lifting mechanism for a packaging machine |
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MY154449A (en) | 2015-06-15 |
TW201043535A (en) | 2010-12-16 |
CN102325697B (en) | 2013-11-06 |
KR101630476B1 (en) | 2016-06-14 |
JP2010189056A (en) | 2010-09-02 |
JP4620787B2 (en) | 2011-01-26 |
TWI520877B (en) | 2016-02-11 |
CN102325697A (en) | 2012-01-18 |
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