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
  • 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
  • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
  • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
  • B65B9/2014—Tube advancing means
  • B65B9/2021—Tube advancing means combined with longitudinal welding devices
• • 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
  • B65B51/306—Counter-rotating devices
• • 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
  • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
  • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
  • B65B9/207—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web advancing continuously

Definitions

• the present invention relates to a packaging apparatus for producing a film wound in a roll shape and filling an object to be packaged in the packaging bag.
• the filling and packaging machine has a machine base, a pair of holding frames are provided on side portions of the machine base, and a material web wound with a film is held in the holding frame in a detachable and replaceable manner.
• a film guide section and a film turn-up section are provided on the top of the table, and an upper force, a vertical seal section, first and second horizontal seal sections, a cutter section, and a sorting mechanism are provided on the front section of the machine base.
• a film is pulled out from the raw material, led out to the film folding section via the film guide section, and the film is folded in two in the longitudinal direction by a guide provided in the film folding section, and the longitudinal seal section is formed.
• Fold the film with a pair of opposed vertical heat seal rolls The turned ends are heat-sealed and sent out, and the film is formed into a tubular shape by the vertical seal, and the film is horizontally sealed by a pair of opposed horizontal heat seal holes of the first horizontal seal portion.
• a bottom portion is formed by the horizontal seal, and thereby, the film formed into a bottomed rectangular shape is filled with an article to be packaged, such as a food item, by a filling nozzle of a filling mechanism.
• the bag opening side of the film is laterally sealed by the horizontal heat seal roll of the first horizontal seal portion to seal the packaged object, and the horizontal seal portion is further pressurized by the horizontal heat seal roll of the second horizontal seal portion. It is known that a packaging bag is obtained by sealing and then cutting the horizontal seal portion with the above-mentioned force cutter part.
• the film width and film material of the film to be loaded are selected according to the packaging form of the packaging bag to be produced.
• the production conditions such as speed and filling amount, are determined.
• the pair of vertical heat seal rolls and the pair of horizontal heat seals are used.
• the film is sandwiched by seal rolls, pressurized and heated to melt the film while expelling the liquid or viscous substance present inside the film upward or downward, and then cured to seal the film. are doing.
• the film used for such a heat seal is as thin as several tens of microns, and when the thin films are overlapped and heat-sealed while pressing, if the pressing force on the film is insufficient.
• poor sealing of the film occurs due to poor penetration of the film, and the sealing force is reduced due to the excessive pressure applied to the film. There is a problem of doing.
• the clearance between the vertical seal member and the horizontal seal member is adjusted by adjusting the clearance between the vertical and horizontal heat seal rolls.
• One of the heat-sealing rolls is rotatably supported at a predetermined position, and the other heat-sealing roll is mounted on one heat-sealing roll side together with a bearing member supporting both ends thereof in a guide frame.
• the bearing member for the other heat seal roll is interposed between the rolls by manually operating the adjuster bolts that come into contact with each bearing material by screwing it into the guide frame so that it can advance and retreat. This is carried out by staking the spring force of the spring interposed in, or changing one of the heat rolls according to the spring force.
• a roll pressing pressure adjusting mechanism that adjusts the pressing pressure of the mouth by pneumatic pressure is provided in the vertical seal section and the horizontal seal section of the filling and packaging machine. W 6/1
• a device has been developed in which a vertical seal or horizontal seal is controlled by pressing both ends of a vertical or horizontal heat seal roll.
• the regulator handle of the roll pressing pressure adjusting mechanism of the vertical heat seal roll and the horizontal heat seal roll is manually turned, the air pressure is checked with a pressure gauge, and the roll pressing pressure is set.
• the mounting position of the folding guide of the film folding section and the filling nozzle of the filling mechanism must be changed. Since it is necessary to prepare the guide and the filling nozzle according to the width of the packaging bag of the product type and replace the guide and the filling nozzle for each product type and loosen the fixing screw to perform positioning, There was a problem that the setup time was long and the production efficiency was reduced.
• a printing device for performing desired printing on the film above the filling and packaging machine is provided in the inside of the film plan to form this indication. This printing device rotates the roll body with the printing piece attached to the circumferential surface in synchronization with the film transport speed, and applies the film and printing piece to the packaging bag film at the timing corresponding to the packaging bag formation pitch. The printing is performed by contacting.
• the width (film width) of the packaging bag is different for each type of filling and packaging machine, when it is necessary to adjust the printing position according to the supplied film width, Alternatively, when it is desired to change the printing position for the formed packaging bag, it is necessary to adjust the mounting position of the printing device by moving the mounting position in a direction orthogonal to the film transport direction.
• a long hole is formed in each of the mounting members corresponding to the movable range of the printing apparatus.
• the film guide section of the conventional packaging apparatus is provided with a meandering adjusting means for reducing the meandering of the film above the filling and packaging machine.
• the meandering adjusting means includes a swinging port member and a film side end position detecting means provided near the swinging port member, and the film side end position detecting means corresponds to a film width.
• the film edge is constantly monitored at one of the positions, and the tilt angle of the oscillating roll is adjusted according to the amount of displacement of the film from the reference portion to detect the film edge.
• the film is adjusted so that it always passes through this reference position, and the film is transported in a stable transport state without meandering.
• registration marks formed at predetermined positions of the film at regular intervals in the film transfer direction.
• a registration mark detecting means for reading is attached, and the timing of the position of the lateral seal and the position of the force cutter of the packaging bag is set in accordance with the output signal from the remark detection means.
• the width (film width) of the packaging bag is different for each product type, so that the mounting position of the film side end position detecting means and the registration mark detecting means is adjusted according to the supplied film width. It is necessary to adjust by moving in the direction perpendicular to the transfer direction of the film.
• mounting members are provided for the film side end position detecting means and the registration mark detecting means, respectively, and the film side end position is provided for each mounting member. Slots corresponding to the movable range of the detecting means and the registration mark detecting means When the film is changed, loosen the fixing screw when changing the film, slide these sensor parts along the long hole and align it to the film width, and then tighten the fixing screw again to fix it It is configured to be.
• the standard for transporting the film is shifted.
• the normal function does not work properly, and when folding is performed at the folded part of the film provided at the subsequent stage, a shift occurs at the overlapping position of the film end, and the film is not sealed well. There is.
• the meandering of the film may cause the end on the film side to be displaced from the detection portion of the registration mark detection means, making reading impossible.
• the proper tension of the film from the vertical seal portion (hereinafter referred to as “feeding-out portion”) to the raw material roll is performed in order to perform the vertical and horizontal sealing of the film F continuously transferred. It is necessary to give a constant value regardless of the change (decrease) in the winding diameter of the raw material roll (wrinkles may occur during sealing if the tension is loose, and conversely, if the tension is strong, the film may break. It is conceivable to provide a tension control device to keep the film at an appropriate tension.
• This tension control device combines a first gear that is supported coaxially with a rotation shaft and a second gear that is supported by a rotation shaft of a braking means such as an electromagnetic powder brake or a hysteresis type brake. It is provided on a rotatable braking mechanism and on a cradle extending outward from the machine roll above the material roll. When tension is applied to the film, the spring fulcrum is displaced minutely in proportion to the tension.
• a braking means such as an electromagnetic powder brake or a hysteresis type brake.
• a tension sensor that converts this displacement into an electrical signal using a working transformer, etc., and an external cover that mounts the machine
• one point for controlling the braking means so that the measurement tension value becomes the reference tension value. It consists of a tension controller indicated by a dashed line, and secures a constant film tension from the feeding section to the material roll.
• production conditions such as a pitch in a transport direction of a film (hereinafter referred to as a “seal pitch”), a film width, a filling amount, and the like, in which a package to be packaged is loaded, are determined according to a packaging form of a packaging bag to be produced. Because of the difference, the total filling of the continuous packing bag from the first horizontal seal to the cutter is filled!
• the present invention is directed to a packaging apparatus which focuses on the above-mentioned problems and can easily perform a setup change according to a packaging concept for each product type or a packaging specification. Disclosure of the invention
• the film which is continuously transported is sent to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, and the folded edges of the film are overlapped and longitudinally sealed by a longitudinal heat seal roll, and
• a packaging device for horizontally packing a film with a horizontal heat roll and filling the continuous packaging bags defined by the vertical seal and the horizontal seal with a product to be packaged a packaging form or a packaging specification is set for each product type.
• a production condition setting means for inputting production conditions in accordance with the production conditions, a control means for performing arithmetic processing and controlling by applying to the packaging form for each type according to the production conditions,
• Storage means for storing data corresponding to the production condition or operation processing data from the production condition setting means; operating, braking, pressurizing based on data corresponding to the production condition or data read from the storage means;
• Drive means for performing such operations as the packaging conditions for each product type set by the production condition setting means or the drive conditions that are responsive to the production condition data read from the storage means in accordance with the production conditions selected according to the packaging specifications.
• Each operating means is electrically controlled by the moving means, and the data read from the storage means can be corrected by the production condition setting means. Good adjustments can be made and good packaging and processing operations can be performed. In addition, this corrected and appropriate production condition data is recorded in a convenient way. By keeping is, it is possible to easily set the amount of a changeover also the actuating means change packaging form of each type.
• the present invention provides a method wherein the continuously transported film is folded back and longitudinally sealed by a pair of vertical heat seal rolls facing each other with both end edges of the film overlapping, and the film is formed by a pair of horizontal heat seal rolls facing each other.
• a packaging apparatus for filling an object to be packed in a continuous packaging bag formed by partitioning horizontally, a pair of heat sealing rolls opposed to each other by the vertical heat sealing roll and the horizontal heat sealing roll. At least one of the rolls is provided so as to be movable, and a roll pressing pressure adjusting means for adjusting the roll pressing pressure of the above-mentioned heat roll and a production condition selected according to a packaging form for each type.
• Pressing force setting means for setting and changing the pressing force of the pressing force adjusting means, and pressing force data are set according to the pressing force input by the pressing force setting means in the previous period.
• Control means ; storage means for nonvolatilely storing the pressure data set by the control means; and a port pressure driving means for controlling the roll pressure adjustment means based on the pressure data.
• Means, the vacuum regulator that adjusts the supply Jt of the wafer by the pressing pressure data that matches the production conditions selected according to the packaging form for each product type set by the data setting means is electrically controlled. Pressing data Pressing data! :
• the pressure of the heat seal roll can be adjusted with good precision by being configured so that it can be corrected by the setting means, and good vertical and horizontal seals can be obtained.
• the present invention provides a film that is continuously transported is fed to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, and both end edges of the film are overlapped and vertically sealed by a vertical heat seal roll, And a packaging device for laterally sealing the film with a horizontal heat seal roll and filling the continuous packaging bag defined by the vertical seal and the horizontal seal with the packaged object, wherein the folding guide and the packaged object are filled.
• An adjusting mechanism capable of moving the filling nozzle is provided, and the adjusting mechanism is automatically moved to a predetermined position based on the position data set according to the packaging form for each product type.
• the setup can be changed without removing the folding guide and the filling nozzle, or loosening the fixing screw and adjusting. It is.
• the present invention provides a method of feeding a film which is continuously transported to a film folding mechanism, folding the film by a folding guide of the film folding mechanism, and vertically sealing both folded edges of the film by a vertical heat roll.
• a packaging apparatus for horizontally sealing a film with a horizontal heat seal roll and filling an object to be packed into a continuous packaging bag defined by the vertical seal and the horizontal seal, the folding guide and the packing material are filled.
• An adjusting mechanism capable of moving a filling nozzle to be moved, a moving amount setting means for setting a moving amount of the adjusting mechanism according to a packaging mode for each type, and a position according to a moving amount inputted by the moving amount setting means.
• the correction of the position data can be corrected by the setting means. By storing the data, this position data can be set as reference position data.
• the present invention provides the adjusting mechanism having a filling position adjusting means for moving the filling nozzle with respect to the turn-back guide, so that an object to be packaged is adjusted to a packaging form (continuous packaging bag) for each kind. Good filling is possible because it can be filled properly.
• the filling nozzle also serves as the return guide, the adjusting mechanism can be simplified and the manufacturing cost can be reduced.
• the present invention provides a method of feeding a continuously transported film to a film folding mechanism, folding the film by a folding guide of the film folding mechanism, and stacking both folded edges of the film by means of a vertical heat seal roll. And a film is laterally sealed by a horizontal heat seal roll, and the packaging device fills a continuous packaging bag partitioned and formed by the vertical seal and the horizontal seal with the film folding mechanism.
• a printing device for providing characters, numerals, symbols, and the like to the previous film, an adjusting mechanism provided to be able to move the printing device in a direction substantially perpendicular to the film transport direction, and a moving amount of the adjusting mechanism Is set according to the desired printing position, and the movement is set according to the movement amount input by the setting means.
• the storage can be performed in the past.
• the position data corresponding to the changed type is read from the storage means by the moving amount setting means, and the position data is read.
• the adjusting mechanism can be by connexion controls the printing device driving means, it is possible to easily and accurately positioning the printing device without repeatedly performing the setting operation in accordance with the.
• the present invention provides a film that is continuously transferred to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, the folded ends of the film are overlapped and vertically sealed by a vertical heat seal roll, and
• a packaging device that horizontally seals the film with a horizontal heat seal roll and fills an object to be packed into a continuous packaging bag defined by the vertical seal and the horizontal seal, a registration mark formed on the film is detected.
• Movement amount to input Setting means control means for setting position data according to the movement amount input by the movement amount setting means; storage means for storing the position data in a nonvolatile manner;
• the registration mark detection means is driven by an adjustment mechanism in a direction substantially perpendicular to the film transport direction, and moves to a predetermined position. Even if the registration mark forming position changes for each product, it is possible to automatically perform setup change without having to loosen the fixing screw and perform positioning, and to store the position data in a nonvolatile storage means for each product.
• the position data to be read is read from the convenient means by the movement amount setting means, and the adjusting mechanism can be controlled by the detection driving means in accordance with the position data.
• the position of the registration mark detecting means can be set.
• the present invention also provides a film that is continuously transferred to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, and the folded edges of the film are overlapped and vertically sealed by a vertical heat seal roll.
• a packaging device for filling a packaged object into a continuous packaging bag defined by the vertical seal and the horizontal seal by horizontally sealing the film with a horizontal heat roll the film is prevented from meandering.
• Meandering adjusting means Meandering adjusting means; film-side end position detecting means provided in the meandering adjusting means for detecting a shift in film transport; register mark detecting means for detecting registration marks formed on the film; film-side end position detection Adjusting means and the registration mark detecting means are provided so as to be movable in a direction substantially perpendicular to the film transport direction.
• a movement amount setting means for inputting the movement i of the adjustment mechanism in accordance with the film width dimension; and a control for setting position data according to the movement amount input by the movement i setting means.
• the mark detecting means is driven by an adjusting mechanism in a direction substantially perpendicular to the film transport direction and moves to a predetermined position. Even if the film width dimension changes for each type, the fixing screw is loosened. It is possible to automatically carry out the setup change without the need for positioning, and by storing the position data for each type in the storage means for storing the position data in a nonvolatile manner, the type of the packaging bag can be changed. Even if the film width is changed and the film width is changed, in the case of the packaging bag type previously stored in the storage unit, the position data of the adjustment mechanism corresponding to the changed type is transferred from the storage unit by the moving amount setting unit.
• the adjustment mechanism can be controlled by the detection driving means in accordance with the position data, and the position setting of the film side edge position detection means and the registration mark detection means can be easily and accurately performed without repeating the setting operation. Becomes possible.
• the registration mark detecting means is disposed close to the film side end position detecting means of the meandering adjusting means, the registration mark detecting means is formed on the film at a position where the meandering of the film is most suppressed. It detects a registration mark that has been misaligned, and enables a good detection operation with few reading errors.
• the registration mark detection means is provided movably with respect to the film side end position detection means, the registration mark formation position of the film used in the packaging bags of various types is different for each type. Even when the film is located at different positions from the edge of the film as a base point, the film edge, which is the detection position of the film side edge position detecting means, is prevented while preventing the film from meandering by the film side edge position detecting means. As a base point, the registration mark detecting means can be adjusted and moved to match the position where the registration mark M is formed on the film.
• the present invention provides a method of manufacturing a machine comprising the steps of: returning a film continuously transferred from a material roll, vertically sealing both ends of the film by a pair of opposed vertical heat seal rolls, and sealing the film by a pair of opposed horizontal fins.
• a packaging device for filling a packaged object in a continuous packaging bag formed by partitioning by horizontal sealing with a single seal roll, a braking means of a braking mechanism provided on a rotating shaft for completely supporting the raw roll.
• Film tension detecting means for detecting the tension value of the film; tension controlling means for controlling the braking means so that the tension value becomes substantially constant; and production conditions according to the packaging form for each type.
• a production condition setting means for inputting, and calculating and processing a reference tension value adapted to a packaging form for each product type by the production condition, and And control means for setting a reference tension data for controlling the means, the group Storage means for storing the quasi-tension value in a non-volatile manner, so that the production condition setting means sets the production conditions according to the packaging mode for each product type, so that the production roll from the raw material roll to the feeding section is
• the control means obtains a reference tension value that is an appropriate tension of the film between them, and outputs this reference tension value to the tension control means.
• the braking means is controlled so as to always maintain the reference tension value, not only can the setup change be easily performed even if the packaging form of each product changes, but the reference tension value can be calculated by an arithmetic process. Because of this requirement, good heat sealing is possible regardless of the operator's experience and experience.
• the reference tension value can be stored in the storage means in a nonvolatile manner, when the packaging apparatus is repeatedly operated in the same packaging mode, the reference tension value need only be read from the storage means, and the setup time can be further reduced. It can be shortened.
• FIG. 1 is a diagram showing the overall configuration of a filling and packaging machine in a first embodiment of the present invention
• FIG. 2 is a diagram showing a state of a heat seal
• FIG. FIG. 4 is a partial cross-sectional view of a horizontal sealing mechanism of the machine
• FIG. 4 is a perspective view showing an appearance of a filling and packaging machine in a first embodiment of the present invention
• FIG. 5 is a folding guide adjusting mechanism.
• FIG. 6 is a view showing a touch panel screen for setting pressing force data
• FIG. 7 is a view showing a touch panel screen for setting a movement amount
• FIG. FIG. 9 is a block diagram showing an electrical configuration according to the first embodiment of the present invention.
• FIG. 1 is a diagram showing the overall configuration of a filling and packaging machine in a first embodiment of the present invention
• FIG. 2 is a diagram showing a state of a heat seal
• FIG. FIG. 4 is a partial cross-sectional view of a horizontal sealing mechanism of the
• FIG. 9 is a flowchart showing a procedure for setting pressure data
• FIG. 10 is a diagram showing a procedure for setting position data
• FIG. 11 is a diagram showing a flowchart
• FIG. 11 shows a filling nozzle
• FIG. 12 is a front view showing an adjustment mechanism of the return guide.
• FIG. 12 is a diagram showing the entire configuration of the filling and packaging machine in the second embodiment of the present invention.
• FIG. Fig. 14 is a front view showing a main part of the device
• Fig. 14 is a side view showing a main part of a printing device of the filling and packaging machine
• Fig. 15 is a main part of the filling and packaging machine of the present invention.
• FIG. Fig. 14 is a front view showing a main part of the device
• Fig. 14 is a side view showing a main part of a printing device of the filling and packaging machine
• Fig. 15 is a main part of the filling and packaging machine of the present invention.
• FIG. 16 is a side view showing a main part of the filling and packaging machine of the present invention
• FIG. 17 is a plan view showing a main part of the filling and packaging machine of the present invention
• FIG. 18 illustrates the present invention.
• Fig. 19 is a front view of a main part of the braking mechanism of the embodiment, with a part cut away.
• Fig. 19 is a view showing a touch panel screen for setting a movement amount.
• Fig. 20 is a touch panel for setting a movement amount.
• FIG. 21 is a diagram illustrating a touch panel surface surface
• FIG. 21 is a diagram illustrating a touch panel surface surface for setting a film tension
• FIG. 22 is a block illustrating an electrical configuration in a second embodiment of the present invention.
• FIG. 21 is a diagram illustrating a touch panel surface surface
• FIG. 21 is a diagram illustrating a touch panel surface surface for setting a film tension
• FIG. 22 is a block illustrating an electrical configuration in
• FIG. 23 is a flowchart showing a procedure for setting the moving amount of the printing apparatus.
• FIG. 24 is a diagram showing the moving amount of the registration mark detecting means and the film side edge position detecting means.
• FIG. 25 is a flowchart showing a setting procedure, and FIG. 25 is a flowchart showing a procedure for setting tension data of a tension control unit.
• a holding frame 2 is provided on the side of the machine base 1 of the filling and packaging machine, and a film web 3 in which a film F is wound in a staple shape is detachably provided on the holding frame 2.
• a film guide mechanism 4 and a film reversing mechanism 5 are provided at the top, and a vertical seal mechanism 6, a horizontal seal mechanism 7, and a cutter mechanism 8 for cutting a continuous packaging bag are provided on the front of the machine base 1 from above.
• the film F is pulled out from the raw film 3 and is led out to the film folding mechanism 5 via the film guide mechanism 4, and the film F is stretched along the longitudinal direction by the folding guide 9 provided in the film folding mechanism 5.
• the folded end portions of the film F are overlapped and heat-sealed by a pair of opposed vertical heat seal rolls 6 a of the vertical seal mechanism 6, and heat-sealed by the side seal portion FH of the vertically sealed film F.
• Fi The film F is formed in a tubular shape, and the film F is heat-sealed in the horizontal direction with a pair of horizontal sealing rollers 7a facing each other, and the bottom of the packaging bag P is sealed by the horizontal sealing portion FS.
• the film F thus formed into a bottomed cylindrical shape is filled by the filling nozzle 10 located inside the ⁇ -shaped film from the folding guide 9, and the film F is further fed.
• the horizontal seal mechanism 7 has a bearing base 12 attached to the front of the machine base 1 and a pair of horizontal heat seal rolls 7a rotatably bearing between the bearing bases 1 and 2.
• a pair of upper and lower guide shafts 13 are fixedly protruded from each bearing base 12, a support plate 14 is fixed between the tip ends of the guide shafts 13, and a slide base is provided between the guide shafts 13.
• a single-acting cylinder is provided on the support plate 14 so as to press the slide table 15 in the direction of the bearing table 12 with the piston 20a.
• An elastic mechanism (pressing force adjusting means) 20 is provided. With this configuration, at least one port of the pair of horizontal heat seal rolls 7a can be moved to form a port pressing pressure adjusting means 7A for adjusting the port pressing pressure 1: of the port. I do.
• the roll pressing force adjusting means 7 A of the horizontal sealing mechanism 7 performs the horizontal sealing of the film F (sealing in a wide area), but the sealing is performed by the uniform pressing force of the film F on the left and right sides.
• the elastic mechanism 20 is configured so that the left and right elastic mechanisms 20 are provided with a vacuum controller and a vacuum regulator, which will be described later, so that the right and left elastic pressure adjustments can be performed independently. .
• the vertical seal mechanism 6 has a different shape from the horizontal seal mechanism 7 in the shape of the heat seal roll 6a (shown in Fig. 1). Although the explanation is omitted, the roll pressing pressure adjusting means (not shown) of the vertical sealing mechanism 6 is used to seal the film F in the vertical direction (to seal a narrow area).
• the left and right sides of the vacuum controller and vacuum regulator described later are configured so that the film is pressed uniformly by an elastic mechanism (not shown). Therefore, in each of the seal mechanisms 6 and 7, the film F is sandwiched in the gap S determined by the setting section 19, and the air pressure applied to the elastic mechanism 20 is varied, so that each of the heat seal rolls 6a and 7a Can adjust the pressing force acting on the film F.
• FIG. 4 is a view showing the appearance of the filling and packaging machine of the present invention.
• An external cover 21 covering the machine base 1 has a switching screen type touch for controlling the pressing force of the elastic mechanism.
• Panel (data setting means) 22 is provided.
• the folding guide 9 of the film folding mechanism 5 and the filling nozzle 10 for filling the packaged object are described in detail after being movable according to the changed film F width.
• the adjusting mechanism 23 described below is provided.
• this adjusting mechanism 23 is provided with a motor 24 provided on the machine base 1 and capable of rotating forward and reverse and imparting a predetermined control rotation, and a speed reducer 26 from the motor shaft 25. It is composed of a screw shaft 27 that is connected via a screw shaft, a nut 28 that is screwed to the screw shaft 27, and a mounting plate 29 that is fixed to the nut 28.
• a folding guide 9 is provided above the mounting plate 29 via a gate-shaped frame 30, and a filling nozzle 10 is provided below the mounting plate 29. The folding guide 9 and the filling nozzle 10 are configured to be able to move together. Then, the guide rail 31 is fixed to the machine base 1, and a slider 32 is provided below the mounting plate 29.
• the slider 32 of the mounting plate 29 is placed on the guide rail 31 and the guide rail 31 is mounted. By sliding along the rail 31, the mounting plate 29 can be moved, so that the folded guide 9 and the filling nozzle 10 can be moved and rattled smoothly without rattling. It has become.
• the touch panel 22 includes a product setting screen 22a for setting a product code (product name) for each product type, and a product type list for displaying the product code list for each product type set on the product setting screen 22a.
• List screen 2 2b and the production conditions of vertical heat seal roll pressure (KgZcm), horizontal heat seal roll right pressure (KgZcm), horizontal heat seal roll left pressure (KgZcm) For example, film feed speed (m / min), film width (mm), silvich (mm), vertical seal temperature (), horizontal seal Movement of the production condition setting surface 2 2 c for setting other production conditions of the temperature CC) and the adjustment mechanism 23! : It has a production condition setting screen 2 2 d for setting (mm).
• the product setting surface 2 2 a has a setting key a 1 for setting a product code and a new data storage key a 2, data The update key a 3 is provided.
• the product list screen 22 b is provided with a production condition read key bl for reading out the production conditions of the product set on the product setting screen 22 a (in this embodiment, 7 types of different production conditions can be set), and when inputting the production conditions on the production condition setting screen 22c, a production condition selection key c1 for selecting a production condition item and the production condition A numeric keypad c2 for inputting the set value of the item, a fine-adjustment key c3 for fine-adjusting each production condition item, and a harm key c for writing the production condition in a backup RAM described later are provided.
• D1 and a fine adjustment key to finely adjust the position of the adjustment mechanism for example, in 0.5 mm increments (mainly used during operation of the filling and packaging machine) d2, a numeric keypad d1 and a fine adjustment key d 2 and a set value display section that displays the movement i input by and d 3, and a damage key d 4 that damages the determined movement amount to the RAM. , 2 2 b, 22 c, and 22 d.
• Means for controlling the elastic mechanism 20 and the adjusting mechanism 23 of the filling and packaging machine of the present invention include a pressing amount and a movement of a vacuum regulator and a motor to be described later! Touch panel 22 to input: and the pressing force input by touch panel 22! :
• the CPU 33 that outputs the pressing pressure data and the position data corresponding to the movement amount to the vacuum controller and the motor controller to be described later.
• the read-only memory (ROM) 34 that stores the processing programs and the like.
• Volatile memory (R AM) 35, and an arithmetic processing unit (control means) 36 is constituted by the CPU 33, the ROM 34, and the RAM 35.
• Reference numeral 37 denotes a backup RAM (storage means) which is backed up by a battery and non-volatilely stores the pressing pressure data and the position data in accordance with a packaging form for each product type.
• the RAM 37 is connected to the RAM 37 by a bus 38, and the interface circuit 39 connected via the bus 38 includes the touch panel 22 and the push-button output from the CPU 33, which is the driving means of the port pressing drive unit 40.
• a vertical roll vacuum controller 40 a that outputs a drive signal according to the pressure data, a horizontal roll right vacuum controller 40 b, a horizontal roll left vacuum controller 40 c, and an output from the CPU 33 that is a driving means of the adjustment mechanism drive unit 41
• a motor controller 41a for outputting a drive signal corresponding to the position data is connected, and a vacuum controller 40a, 40b, 40c is provided at a subsequent stage.
• Vacuum regulators 40 d, 40 e and 40 f for adjusting the air pressure are connected as means, and a motor controller 41 a of the adjusting mechanism driving unit 41 is provided at a stage subsequent to the motor controller 41 a.
• a motor 24 shown in FIG. 4 is connected, which is composed of a steering motor and the like.
• the CPU 33 transmits the pressing pressure data and the position data corresponding to the pressing pressure amount and the moving amount of the roll pressing driving unit 40 and the adjusting mechanism driving unit 41 input by the touch panel 22 to the interface circuit 39.
• RAM volatile memory
• the CPU 33 reads the pressing data and the position data from the RAM 35 and corrects the correction value. For example, addition and subtraction processing is performed on the captured pressure data and position data, and the RAM 35, the vacuum controllers 40a, 40b, 40c of the roll pressing drive unit 40 and the motor controller 41a of the adjustment mechanism drive unit 41 Is output to
• the CPU 33 controls the pressing amount and movement according to the packaging form for each type! : After determining the pressing force data and position data equivalent to, operate touch panel 22 (production condition setting). The pressure data and the position data are transferred to the backup RAM 37 and stored by the harmful keys c3 and d4) on the surface 22c and 22d.
• FIG. 9 a procedure for setting the pressing pressure data and the position data of the filling and packaging machine in the first embodiment will be described with reference to FIGS. 9 and 10.
• step Sl the power switch provided on the filling and packaging machine is turned on (step Sl), and the new data is set.
• step S2 read out the type setting screen 22a of the touch panel 22 shown in FIG. 6, select the new data storage key a2, and select the product code or the product name corresponding to the type of the packaging bag P.
• EK I TA I-1 and EK I TA I-2 are input using the setting key a1 (step S3).
• the production condition setting surface 22c of the touch panel 22 is read out, and the production condition selection key c1 of the vertical and horizontal sealing mechanisms 6 and 7 is selected, and the pressing force data (for example, the vertical roll pressing force 3.8 (KgZcm), Enter the horizontal roll right pressing pressure 4.4 (Kg / cm) and the horizontal roll left pressing pressure 3.8 (Kg / cm) using the numeric keypad c1 (step S4).
• the start switch provided on the filling and packaging machine is turned on to operate the filling and packaging machine (step 5).
• each pressing force data is set. Since the pressing force data is determined by the other production condition data described above, the other production condition data is stored in the backup RAM 37.
• Step 6 If it is necessary to correct each pressure data (to reduce the air pressure of each vacuum regulator 40 d, 40 e, 40 f) (Step 6), pull out the type setting screen 22 a of the touch panel 22 and update the data. Press key a3, select the product code (production condition readout key b1) on the product type list screen 22b, read out the production condition setting screen 22c, and then select the production condition selection key c1 corresponding to each pressing pressure data. Is selected, and the calibration value is input using the fine adjustment key c 2 (or the numeric keypad c 2 in some cases) (step S7), and the vertical and horizontal seals of the continuous packaging bag are checked.
• the fine adjustment key c 2 or the numeric keypad c 2 in some cases
• Step S 8 Input the correction value by the above-mentioned means (Step S7), and confirm the vertical and horizontal seal of the continuous packaging bag.
• step S8 If it is not necessary to correct each of the corrected pressing pressure data (step S8), the filling and packaging machine is stopped (step S9).
• each pressing pressure data is only temporarily stored in the memory unit 24 unless it is stored in the backup! ⁇ AM 37. 37, it is necessary to record the above-mentioned pressing data.
• step S2 when the new data is not stored (step S2), that is, when each of the pre-stored pressing force data is read, the production condition reading key of the kind list screen 22b (touch panel 22) is read.
• Step S11 the production condition reading key of the kind list screen 22b (touch panel 22) is read.
• Step S12 check whether or not each pressing pressure data has correction (Step S12). If correction is necessary, go to Step S7 and use the above-mentioned means. Set each pressure data.
• step S6 if it is not necessary to correct each pressure data, the process proceeds to step S10, and each pressure data is stored in the backup RAM37 before the power is turned off.
• Step S20 turn on the power switch provided on the filling and packaging machine (Step S20), and when saving new data (Step S21), open the product setting screen 22a of the touch panel 22 shown in FIG. Read out, select the new data storage key a 2 and enter the product code or product name (eg, EK I TA I-1, EK I TA I-2) corresponding to the type of the packaging bag P with the setting key a 1. (Step S22).
• the product code or product name eg, EK I TA I-1, EK I TA I-2
• Step S23 the production condition setting surface 22 d of the touch panel 22 is read out, and the adjustment mechanism 23 corresponding to the packaging form (film width) for each type, that is, the movement i of the folding guide 9 and the filling nozzle 10 is input using the numeric keypad d 1.
• step S24 when the start switch of the filling and packaging machine is turned on, the production condition setting surface 22d The filling and packaging machine in which the turn guide 9 and the filling nozzle 10 have been moved to the set position by the adjusting mechanism 23 is operated (step S24).
• step S25 If the actual position shifts from the desired position during the packaging operation, or if you want to make further changes to the movement i entered in the previous step, enter the position in the input data.
• step S25 read the type setting surface 2 2a of the touch panel 22 and press the data update key a3 to display the product list screen 2 2b.
• step S 27 If it is not necessary to perform the correction on the movement S of the adjusting mechanism 2 3 (the return guide 9 and the filling nozzle 10) after the correction (step S 27), the position data corresponding to the corrected movement amount is obtained.
• the production condition setting surface 22 d of the touch panel 22 is read, and the damage key d 4 is pressed to transfer it to the backup RAM 37 for storage (step S 28). In this way, the position data of the optimal adjustment mechanism 23 is written on a one-to-one basis in the packaging form for each product type.
• step S21 if new data is not to be stored, that is, if position data corresponding to a previously stored product type is to be read out, the production condition readout key on the product list screen 2 2b of the touch panel 22 is displayed. Press b 1 to read the type from the backup RAM 37 (step S 29), check whether or not the position data has been corrected (step S 30). If correction or change is required, step S 2 Proceeding to step 6, the position data is corrected by the above-described means, and the corrected position data is stored in the backup RAM 37 as reference position data (new position data of the product type).
• step S25 If it is determined in step S25 that the position data does not need to be corrected, the process proceeds to step S28 as it is, and the position is determined before the power of the filling and packaging machine is turned off, similarly to the pressing pressure data described above. Store the data in the backup RAM 37.
• the packaging form for each product type set by the touch panel 22 is set.
• Vacuum regulators 40 d, 40 e, 4 O f, and turn guides 9 that adjust the supply amount of air according to each pressing pressure data and position data according to the production conditions selected according to ,
• a motor 24 that varies the amount of movement of an adjusting mechanism 23 provided with a filling nozzle 10
• the touch panel 22 can capture the pressing force data and the position data. Since the pressing pressure of the heat seal roll and the position of the folding guide 9 and the filling nozzle 10 can be adjusted with high accuracy, good vertical and horizontal seals can be obtained, and the pressing pressure data and the position data are backed up.
• FIG. 11 shows another adjustment mechanism 23, which is configured to perform more detailed adjustment work on the adjustment mechanism 23 in the first embodiment described above.
• a filling position adjusting means 42 is provided to enable the filling nozzle 10 to move with respect to the turn-back guide 9.
• the filling position adjusting means 42 is provided with a driving mechanism capable of turning the filling nozzle 10 back and forth with respect to the guide 9 on the mounting plate 29 of the adjusting mechanism 23 described above.
• the motor 43 includes a mechanism similar to the drive mechanism of the mounting plate 29 described above, and is provided on the mounting plate 29 so as to be capable of normal and reverse rotation and to be given a predetermined control rotation.
• the screw shaft 45 includes a screw shaft 45, a nut body 46 screwed to the screw shaft 45, and a support plate 47 fixed to the nut body 46.
• a filling nozzle 10 is provided below the support plate 47, and the filling nozzle 10 is configured to be able to move toward and away from the folding guide 9 as the motor 43 rotates.
• a guide rail 48 is fixed to a lower portion of the mounting plate 29, and a slider 49 is provided on an upper portion of the support plate 47.
• the slider 49 of the support plate 47 is attached to a lower portion of the guide rail 48. It is possible to move the support plate 47 by moving along the guide rails 48, and to move the filling nozzle 10 with respect to the turn-back guide 9 without rattling smoothly.
• the folding guide 9 is attached to the mounting plate 29 via the gate-shaped frame 30.
• Attached force Filling nozzle 10 is attached to support plate 47 that is provided movably with respect to mounting plate 29, so that filling nozzle 10 can move toward and away from folding guide 9. It is composed.
• the adjusting mechanism 23 that makes the folding guide 9 movable is similar to the adjusting mechanism 23 shown in FIG.
• the filling position adjusting means 42 for enabling the filling nozzle 9 to move is controlled by the same control (controlling the motor 43) as the adjusting mechanism 23 shown in FIG. It is moved according to the position data of the packaging form for each product type.
• the movement setting position of the filling nozzle 10 depends on the shape of the injection port of the filling nozzle 10, but basically it is formed in a rectangular shape. It is desirable to set it at an intermediate position between the folded portion of the film F to be formed and the vertical seal portion (side edge seal portion FH).
• the production condition setting screen 2 2 d of the touch panel 22 shown in FIG. 7 sets the position data of the folding guide 9 and the filling nozzle 10 separately. This is a configuration that can be performed.
• the present invention is applied to both the vertical seal mechanism 6 and the horizontal seal mechanism 7, but the present invention is used for at least one of the seal mechanisms. However, it is preferable to apply the present invention to the horizontal sealing mechanism 7 for sealing a particularly wide area.
• the pressing force data of each of the sealing mechanisms 6 and 7 is set in accordance with the actual conditions in accordance with the production conditions selected in accordance with the type of packaging of the product type. Create a logical expression according to the production conditions such as feed rate, and The CPU 33 shown in the figure may calculate and obtain the pressing pressure data.
• the elastic mechanism 20 for controlling the roll pressing pressure by the air pressure is used.
• a hydraulic mechanism or a mechanism that applies pressure by an elastic body such as a panel or a rubber may be used as appropriate. is there.
• the adjusting mechanism 23 that enables the return guide 9 and the filling nozzle 10 to move can be automatically moved to a predetermined position.
• the correction of the position data of the adjusting mechanism 23 that moves based on the set position data can be corrected by the touch panel 22, and the corrected position data is stored in the backup RAM 37, whereby the correction is performed.
• the subsequent position data can be set as reference position data.
• the folding guide 9 is moved with respect to the machine base 1 in accordance with the width of the film F, so that the overlapping end of the film F is adjusted as shown in FIG.
• the moving position of the filling nozzle 10 is controlled to a position away from the half-fold portion of the film F by a desired position, thereby forming the film F.
• the packing material can be filled and supplied at the filling nozzle 10 position corresponding to the width of the film F, and the filling nozzle 10 is turned to the desired position with respect to the folded guide 9 according to the various packaging forms of the packaging bag P. Move to Since the provided ability to be packaged is filled spread packaging bag in P to Katayose Rinaku uniformly supplied, it is always possible to supply the objects to be packaged in a good condition.
• the folding guide 9 and the filling nozzle 10 are each independently provided.
• the driving mechanism provided in the machine base 1 may be provided so as to be controllably movable.
• a bar-shaped folding guide 9 is provided as the film folding mechanism 5, and is located inside the tubular film from the folding guide 9 to fill the packaged object.
• the filling nozzles 10 are provided and provided, for example, the filling nozzles 10 may be configured to also serve as the return guides without specially providing the return guides 9 to reduce the number of parts.
• the filling nozzle 10 also serves as a folding guide, the object to be packaged is filled from the end of the ⁇ -shaped film which is the folded portion of the film F. It is desirable to squirt the outlet toward the side opposite to the turning point of the film.
• a holding frame 2 is provided on the side of the machine base 1 of the filling and packaging machine, and a film web 3 in which a film F is wound in a staple shape is detachably provided on the holding frame 2. Therefore, a film guide mechanism 4 and a film reversing mechanism 5 were arranged at the top of the machine base 1, and a vertical seal mechanism 6 and horizontal seal mechanisms 7, 7 'were connected to the front of the machine base 1 from the top. A force cutter mechanism 8 for cutting the packaging bag P is provided. The film F is pulled out from the film blank 3, guided to the film folding mechanism 5 via the film guiding mechanism 4, and provided in the film folding mechanism 5.
• the film F is folded in two along the longitudinal direction by the folding guide 9, and the folded end portions of the film F are heat-sealed with a pair of opposed vertical heat sealing holes 6a of the longitudinal sealing mechanism 6 to be folded.
• the side of this vertically sealed film F The film F is formed in a rectangular shape by the sealing portion FH, and the film F is laterally heat-sealed to the rectangular film F by a pair of horizontal heat sealing rolls 7a facing each other in the horizontal sealing mechanism 7, and the packaging bag is formed by the horizontal sealing portion FS.
• a bottom portion of P is formed, and a film F formed into a bottomed rectangular shape is filled with a packing object made of a liquid such as a sauce by a filling nozzle 10 and the film F is fed again.
• the horizontal seal portion FS is further pressurized and sealed by the horizontal heat seal roll 7 a ′ of the second horizontal seal portion 7 ′, and the middle portion of the horizontal seal portion is cut by the cutter portion 8.
• the separated packaging bag p is separated and the packaging bag p carried out from the discharge unit 11 is taken out by a comparator or the like and transported.
• the film guide mechanism 4 is provided with a printing device 50 shown in FIGS. 13 to 14 for performing desired printing on the film F above the filling and packaging machine.
• the printing device 50 is used. It is provided on the near side of the folding mechanism 5.
• This printing device 50 is a receiving roll 5 3 for printing by sandwiching a film F transferred between a roll body 52 having a printing piece 51 attached to a circumferential surface and a roll body 52. And a sponge roll 54 provided on the opposite side to the receiving roll 53 with the mouthpiece 52 interposed therebetween to supply ink to the printing piece 51 of the roll 52.
• the roll 52 is rotated in synchronization with the speed of the film F to be transferred, and the film F and the print piece 51 are brought into contact with each other at a timing corresponding to the forming pitch of the packaging bag P.
• the lot number, date of manufacture, expiration date, mark, etc. are printed and displayed.
• these print indications can be changed by replacing the print pieces 51 provided on the roll body 52.
• the packaging work must be performed before starting the work.
• the printing piece 51 corresponding to the day to be performed is inserted and inserted into the roll body 52.
• an adjusting mechanism 55 in which the above-mentioned printing device 50 is provided so as to be movable in a direction substantially perpendicular to the direction of transport of the film F.
• the adjusting mechanism 55 is provided in the machine base 1 and is capable of rotating in the normal and reverse directions and is provided with a predetermined control rotation.
• the motor 56 is provided in the direction of transporting the film F via a speed reducer built in the motor 56.
• a rack body 57 which can reciprocate linearly in a direction orthogonal to the direction is formed, and a printing device 42 is fixed to the rack body 57. By doing so, the printing device 42 can be moved in a direction perpendicular to the transport direction of the film F, that is, in the width direction of the film F.
• the film guide mechanism 4 is provided with meandering adjusting means 59 shown in FIGS. 15 to 17 for reducing meandering of the film F above the filling and packaging machine.
• the meandering adjusting means 59 is composed of rocking rolls 60, 60, and film side edge position detecting means 61, which is provided in the vicinity of the rolling rolls 60, 60 and in front of the film F transport direction. It is composed of The film side edge position detecting means 61 detects that the transfer position of the film F is The reference voltage is provided at a position corresponding to each width of the film F to be changed so that the center line of the film F being transported coincides with the axis of the film return guide 9 of the film return mechanism 5, and the output voltage generated by this is provided.
• the film side edge is constantly monitored so that the value falls within a predetermined range, and corresponds to the output of the film side edge position detecting means 61 that changes according to the displacement J: of the film from the reference detection portion.
• a registration mark detecting means 62 for reading registration marks M formed at predetermined positions of the film F to be transferred at regular intervals in the transport direction of the film F is provided in the vicinity of the meandering adjustment means 59. Have been.
• the registration mark detecting means 62 is composed of, for example, a reflection-type photoelectric sensor.
• the horizontal seal position FS of the packaging bag P is determined by an output signal from the registration mark detecting means 62. A signal is sent to the packaging machine so that the cutter position in the cutter unit 8 is timed.
• the registration mark detecting means 62 is fixed to the film side end position detecting means 61 of the meandering adjusting means 59 via a mounting metal 63, and is disposed close to the film side end position detecting means 61. Since the registration mark M formed on the film F is detected at a position where the meandering of the film F is most suppressed by the meandering adjusting means 59, a good detection operation with few reading errors can be performed.
• an adjusting mechanism provided with the above-described film side end position detecting means 61 and the registration mark detecting means 62 so as to be movable in a direction substantially perpendicular to the direction of transport of the film F. 6 4 are provided.
• the adjusting mechanism 64 is provided in the machine base 1 and is capable of rotating in the normal and reverse directions, and is provided with a predetermined control rotation. And a rack body 66 capable of linearly reciprocating in a direction orthogonal to the direction.
• the film side end position detecting means 61 is fixed to the rack body 66. By doing so, the film side end position detecting means 61 can be moved in a direction orthogonal to the transport direction of the film F, that is, in the width direction of the film F.
• the registration mark detecting means 62 is fixed to the film side end position detecting means 61 via the mounting bracket 63 as described above, and can be moved integrally with the film side end position detecting means 61. It is configured.
• the film side edge detecting device 61 can be automatically adjusted with respect to the width of the film. If the adjustment is made, automatic setting of the registration mark reading position by the registration mark detecting means 62 can be performed at the same time.
• the filling and packaging machine as described above performs a vertical sealing mechanism (hereinafter referred to as an “extruding portion”) 6 to a web roll 3 in order to seal the film F continuously transported vertically and horizontally. It is necessary to give the proper tension of the film F to a constant value regardless of the change (decrease) in the winding diameter of the material roll 3 (loose tension causes wrinkles at the time of sealing, and conversely, strong tension causes film To ensure that the film F may break, the film F must be kept at an appropriate tension. Therefore, it is considered to provide a tension control device.
• the tension control device includes a first gear 68 a which is supported coaxially with the rotating shaft 2 a, and a braking means 6 such as a magnetic powder brake or a hysteresis type brake.
• a braking mechanism 68 that is rotatable by combining a second gear 60 d that is pivotally supported by the rotating shaft 60 c of 0 b, and extends outward from the machine base 1 above the material roll 3
• the tension sensor 69 which is provided on the receiving base 1a and which slightly displaces the spring fulcrum in proportion to the tension acting on the film F and converts this displacement into an electric signal by an operating transformer, etc.
• the measurement tension value is used as the reference. Stopper to reach the tension value 6 0 b intended tension controller Toka Ranaru that controls, is intended to ensure the tension of the film F between the feeding unit 6 to the master roll 3 to be constant.
• the exterior cover 21 that covers the machine base 1 has the adjustment mechanism 5 5 and the movement amount of the adjusting mechanism 64 provided with the film side edge position detecting means 61 and the registration mark detecting means 62 described above, and a method for applying a constant braking force to the braking means 60b of the tension control device.
• a switching surface type touch panel 22 for setting a reference tension value is provided.
• the touch panel 22 inputs the movement amount for setting the position data of each of the adjusting mechanisms 55 and 64 and the reference tension value of the braking means 68b in the arithmetic processing section described later.
• Product type setting screen 2 2a for setting the code (product name),
• Product type list surface 2 2b for displaying the product code list for each product type set on the product type setting screen 22a, and used for packaging. Width of film F (mm) and distance from film edge (mm), film width of film F (mm) and registration mark formation position (mm), seal pitch (mm) and film width (mm), It has a production condition setting surface 2 2 e, 22 f, and 2 2 g for inputting the production condition of filling i (g) per packing bag PI.
• Setting key a1 and new data saving key a2, data update key a 3, and a production condition ejection key b 1 for reading out the production conditions corresponding to the product code set on the product type setting screen 22 a on the product list surface 22 b.
• a production condition setting screen 2 2 e when entering production condition data, a production condition selection key e 1 for selecting a production condition item and a ten key e 2 for inputting the set value of the production condition item, the production condition Fine adjustment key e3, which can fine-tune the position of the printing device 50, for example, in units of 0.1 mm, and a damage key for damaging production conditions in the backup RAM described later e 4 is provided.
• the production condition selection screen 22 f has a production condition selection key f1 for selecting a production condition item, and a numeric keypad f2 for inputting a set value of the production condition item.
• the position of the adjusting mechanism 64 of the registration mark detecting means 62 and the film side edge position detecting means 61 and the registration mark detecting means 62 driven according to the production condition can be finely adjusted in units of, for example, 0.1 mm.
• a fine adjustment key f3 and a damage key f4 for damaging production conditions in a backup RAM described later are provided.
• a production condition selection key g1 for selecting a production condition item, a display portion g2 corresponding to the production condition item, and a Numeric keypad g3 for inputting the set value
• fine adjustment key g4 for fine adjustment of the reference tension value obtained by calculation, for example, in units of 1 g, in order to damage the reference tension value to the backup RAM described later
• a damage key g5 of the above and a reference tension display section g6 for displaying the above-mentioned reference tension value, and constitutes each of the screens 22a, 22b, 22e, 22f and 22g.
• the product code set from the product type setting surface 22a is displayed as a list on the product type list surface 22b, and by selecting the production condition readout key b1 corresponding to this product code, The production condition setting screens 22e, 22f, and 22g are read out, and the production conditions are input.
• the means for controlling the means 68b includes a touch panel 22 for inputting the amount of movement of each of the adjusting mechanisms 55 and 64 and a tension value for controlling the braking means 68b, and the amount of movement and the tension input by the touch panel 22.
• the CPU 33 outputs position data and tension data corresponding to the values to a motor controller and a tension controller described later, a read-only memory (ROM) 34 in which processing programs and the like are stored, and the position data and tension data are stored.
• ROM read-only memory
• a volatile memory (RAM) 35 for temporary storage is provided, and an arithmetic processing unit 36 is configured by the CPU 33, the ROM 34, and the RAM 35.
• Reference numeral 37 denotes a backup RAM (storage means) which is backed up by a battery and stores the position data and the tension data as reference data in correspondence with a packaging form for each product type.
• the RAM 37 is connected to the RAM 38 by a bus 38, and the interface circuit 39 connected via the bus 38 includes a touch panel 22 and the position data output from the CPU 33 which is a driving unit of the printing device driving unit 58.
• a motor controller 67a that outputs a drive signal corresponding to the tension data is connected to a tension controller 70a that outputs a drive signal corresponding to the tension data output from the CPU 33, which is a driving unit of the tension drive unit 70.
• the motor controller 58a, 67a of the printing device drive unit 58 and the detection drive unit 67 is provided with a servo motor, a stepping motor, and the like, which are operating means, as shown in FIGS. 14 and 16.
• Braking means 68 b is connected consisting of.
• the CPU 33 interpolates the position data corresponding to the movement i of the printing device 50 and each of the detection means 61 and 62 input from the touch panel 22 and the tension data corresponding to the tension value of the tension controller 70a.
• the data is output to each of the motor controllers 58a and 67a and the tension controller 70a via the face circuit 39, and the position data and the tension data of the parentheses are temporarily stored in a volatile memory (RAM) 35 for storing the data.
• RAM volatile memory
• the CPU 33 reads the position data and the tension data from the RAM 35, and performs the addition and subtraction processing of the correction value, for example.
• the detected position data and tension data are output to the RAM 35, the motor controllers 58a, 67a, and the tension controller 70a.
• the CPU 33 determines the position data and the reference tension data corresponding to the amount of movement and the appropriate tension value according to the packaging form for each type (the determination of the reference tension data is determined by a mathematical expression described later).
• This position data and reference tension data are transferred to the backup RAM 37 and stored by the operation of (write key e4, f4, g5 of the production condition setting screen 22e, 22f, 22g). is there.
• step S40 turn on the power switch
• step S41 save new data
• step S42 Read the product type setting screen 22a of the touch panel 22 shown in the figure, select the new data storage key a2, and select the product code or product name corresponding to the product type of the packaging bag P (for example, EK I TA I-1, EK I Enter TAI-2) using setting key a1 (step S42).
• the production condition setting screen 22 e of the touch panel 22 is read, and in the second embodiment, for example, the film width of the packaging film F and the distance from the film edge to the display edge are input by the ten-key pad e 2 and the printing device is input. It is entered as a movement amount of 50 (Step S43).
• step S44 when the start switch of the filling and packaging machine is turned on, the filling and packaging machine is operated at the position of the printing device 50 corresponding to the above input conditions.
• step S45 the type setting surface 22a of the touch panel 22 is read, and the data update key a3 is pressed. And select the item of the film width and the distance from the film edge of the packaging film F with the production condition selection key e 1 and read the fine adjustment key e 3 (case Then, a correction value is input using the numeric keypad e2) (step S46), and it is checked whether the printing position is at a proper force or not, and the correction operation is repeated as necessary.
• step S47 When it is not necessary to correct the movement amount of the printing device 50 after the correction (step S47), the position data corresponding to the corrected movement i is read from the production surface setting surface 22e of the touch panel 22.
• the write key e4 is pressed to transfer the data to the non-volatile backup RAM M37, which is useful (step S48).
• the position data corresponding to the position of the printing device 50 capable of performing the optimum printing in this type is conveniently stored in a one-to-one correspondence.
• step S41 if the new data is not stored, that is, if the position data corresponding to the previously stored type is read, the production condition read key b1 on the type list surface 22b of the touch panel 22 is pressed.
• step S49 Press to read the position data corresponding to the product type from the backup RAM 37 (step S49), check whether or not the position data has been corrected (step S50). If correction or change is necessary, go to step S46 and proceed to step S46.
• this corrected position data is usefully stored in the backup RAM 37 as reference position data (position data of a new product).
• step S45 If it is not necessary to correct the position data in step S45, the process proceeds to step S48, and the position data is stored in the backup RAM 37 before the power of the filling and packaging machine is turned off.
• step S60 Turn on the power switch provided on the filling and packaging machine (step S60), and when saving new data (step S61), read the type setting surface 22a of the touch panel 22 shown in Fig. 20 and press the new data save key. Select a2 and set the product code or product name (for example, EKITAI-1, EKITAI-2). Input using key a1 (step S62).
• step S63 the production condition setting surface 22 f of the touch panel 22 is read out, the film width of the packaging film F and the registration mark position are input using the ten keys f 2, and the film side end position detection means 61 and the registration mark detection means 62 are moved! : Is input (step S63).
• the registration mark detecting means 62 is attached and fixed to the film side end position detecting means 61, it is not necessary to input the registration mark position.
• the film side edge position detecting means 61 and the registration mark detecting means 62 are adjusted and moved, it is necessary to input the film width and the registration mark position. Will be described in detail as setting both the movement amounts to the film side end position detecting means 61 and the registration mark detecting means 62.
• step Top S 64 the start switch of the filling and packaging machine is turned on, and the filling and packaging machine is operated.
• step S65 If correction is required (step S65), read the type setting screen 22a of the touch panel 22, press the data update key a3, select the product code on the type list screen 22b, and select the production condition. After reading the setting surface 22 f, select the film width and registration mark position of the packaging film F with the production condition selection key f 1 and use the fine adjustment key f 3 (or the numeric keypad f 2 in some cases).
• the correction value is input (step S66), and it is checked whether or not the film F has been properly conveyed and the packaging state is appropriate for the detecting operation of each detecting means (step 67), and if necessary, Compensation work One in which to perform.
• step S67 If it is not necessary to correct the movement amount of each detecting means after the correction (step S67), the position data corresponding to the movement amount after the correction is read from the production condition setting screen 22f of the touch panel 22 and written. Press f4 to transfer the data to the backup RAM 37 and store it (step S68).
• step S61 If it is determined in step S61 that new data is not to be saved, that is, if position data corresponding to a previously stored product type is to be read out, the production condition read key b of the product list surface 22b of the touch panel 22 is read. Press 1 to read the position data corresponding to the product type from the backup RAM 37 (step S69), check whether the position data has been corrected (step S70), and if correction is necessary, go to step S66 and proceed to step S66. By applying correction to the position data by means, the corrected position data is usefully stored in the backup RAM 37 as reference position data (position data of a new product).
• step S65 If it is not necessary to correct each position data in step S65, the process directly proceeds to step S68. For example, before turning off the filling and packaging machine, each data is stored in the backup RAM 37. Let it.
• the seal pitch h is set to 80 (mm) and the film width is set to 60 (mm). mm)
• Filling amount per bag m is 50 (g)
• the section distance L from the first horizontal sealing mechanism 7 to the cutter mechanism 8 is set to 720 (mm), and within the section distance range, the continuous packaging bag P is filled. The description will be made assuming that a tension that balances with the total filling amount of the filler is determined (in the present embodiment, the total weight of the film F is negligible).
• step S81 When the new data save key a2 of the type setting screen 22a of the touch panel 22 is selected (step S81), and the production conditions are input to the production condition setting screen 22g of the touch panel 22 (step S82), the CPU 33 Calculates the tension value of the film F, which is balanced with the total filling amount of the filling material filled in the continuous packaging bag P of the section distance L, by the following formula, and sets this as a reference tension value t (step S81).
• the CPU 33 that has calculated the reference tension value t outputs the reference tension value t to the tension controller 70a via the interface circuit 39 (step S83), and inputs the reference tension value t.
• the tension controller 70a detects the tension of the film F between the control section 7 and the web roll 3 by the tension sensor 69, and controls the braking means 60b so that the reference tension value t is always maintained. Is what you do.
• the correction value is input using the fine adjustment key g4 on the production condition setting screen 22g of the touch panel 22. (Step S85), this correction value is added to or subtracted from the reference tension value t, for example (Step S86), and the corrected reference tension value t is output to the tension controller 70a. (Step S87).
• step S88 If it is necessary to further correct the corrected reference tension value t (step S88), the processing from step S84 to step S87 is repeated. If it is not necessary to correct the corrected reference tension value t (step S88), press the harm key g5 on the touch panel 22 (production condition setting screen 22g) to set the reference tension. The value t is stored in the backup RAM 37 (step S89).
• step S80 when reading the pre-stored reference tension value t data which is not the saving of the new data, the production condition reading corresponding to the desired product code on the type list surface 22b of the touch panel 22 is read.
• the existing reference tension value t corresponding to the product code is read from the backup RAM 37, and the reference tension value t is output to the tension controller 70a (step S9). 0).
• step 91 If it is determined in step 91 that the existing reference tension value t needs to be corrected, the flow advances to step S85 to perform the above-described processing.
• step S84 If it is not necessary to correct the reference tension value t in step S84, the process directly proceeds to step S89, and the reference tension value t is stored in the backup RAM 37.
• the method of setting the position data and the tension data of the printing device drive unit 58, the detection drive unit 67, and the tension drive unit 70 has been described above.
• the position data and the tension data in the second embodiment are: Unless it is stored in the backup RAM 37, it is only temporarily stored in the RAM 35, and the position data and the tension data are stored in the backup RAM 37 before the power of the filling and packaging machine is turned off. Need to be done.
• the moving amount of the adjustment mechanism 55 according to the desired printing position for the packaging bags P of various types is adjusted. Since the adjustment mechanism 55 is configured to be driven and controlled based on the input and the position data corresponding to the movement fi, the printing device 50 is controlled by the adjustment mechanism 55 in a direction substantially orthogonal to the transport direction of the film F. It is driven and moves to a predetermined position.Even if the film F width dimension changes for each type, if the fixing screw is loosened and adjusted to the position, it can be automatically adjusted to each type without performing complicated work. Response is possible.
• the backup RAM is also used in the past.
• the position data of the adjustment mechanism 55 corresponding to the changed type is read from the backup RAM 37 by the touch panel 22, and according to this position data. Since the adjustment mechanism 55 is configured to be driven and controlled by the motion control means, it is possible to easily and accurately set the position of the printing device in the same type of packaging bag P without repeating the setting operation. Become.
• the printing device 50 in the packaging device of the present invention is a roller type, but various types of printing devices 50 such as a type performing printing by a reciprocating mechanism and an ink jet type can be appropriately selected. Good.
• the movement amount of the adjustment mechanism 64 according to the width dimension of the film F of the packaging bag P of various types can be reduced.
• the adjustment mechanism 64 is configured to drive and control based on the position data corresponding to the input movement amount, so that the film side edge position detecting means 61 and the registration mark detecting means 62 are provided in the transport direction of the film F. It is driven by the adjustment mechanism 64 in a direction substantially perpendicular to the position, and moves to a predetermined position.Even if the film F width dimension changes for each product, the complicated work of loosening the fixing screw and adjusting the position It is possible to automatically respond to each product type without performing the process.
• the backup data is stored in the past even when the type of the packaging bag P is changed and the film F width is changed.
• the position data of the adjusting mechanism 64 corresponding to the changed type is read from the backup R AM 37 by the touch panel 22 using the touch panel 22.
• the adjustment mechanism 64 is driven and controlled by the motor controller 67a, which is a driving means, so that the film side edge position detecting means 61 and the registration mark detecting means can be easily and accurately performed without repeating the setting operation. 62
• the position of 2 can be set.
• the registration mark detection means 62 is fixed to the film side end position detection means 61 via a mounting metal 63, and In addition to being provided so as to be movable together with the lum side end position detecting means 61, the mounting position of the remark mark detecting means 62 is adjusted to the position where the registration mark M is formed at the side end of the film.
• the registration mark reading position of the registration mark detecting means 62 can be automatically set at the same time so that the registration mark on the touch panel 22 can be set.
• the input of the position of the detecting means 62 was unnecessary.
• the registration mark M formation position is located at the edge of the film F, and the film width is It may be formed at a position behind the edge in the dimensional direction by a predetermined distance.
• the registration mark detection means 62 is fixedly attached to the film side end position detection means 61, Registration mark M formed position can not handle different off Ilm F by these varieties. Therefore, although not shown, the registration mark detecting means 62 can be moved relative to the film side end position detecting means 61 in a direction perpendicular to the film F transfer direction as another detection driving part taking this point into consideration. Can also be provided.
• the circuit configuration is such that the motor controller for the registration mark detecting means driven based on the position data outputted from the CPU 33 and the motor for the film side edge position detecting means are supplied to the interface circuit 39 shown in FIG.
• the motor controller and the motor are connected in the same way as the motor.
• the registration mark detecting means 62 is provided with respect to the film side end position detecting means 61. It is provided so as to be movable in a direction perpendicular to the transport direction of the film F.
• the registration mark position is input simultaneously with the input of the film width (input of the amount of movement).
• the input item is selected with the production condition selection key f 1 of the touch panel 2 2 (production condition setting screen 2 2 f).
• the film width using the numeric keypad f2
• enter the film width using the numeric keypad f2 and then enter the distance dimension from the edge of the film to the position where the registration mark M is formed as the registration mark position.
• the film side end position detecting means 61 is set to be moved to a position where the meandering adjusting means 59 can be adjusted to the film transfer center position corresponding to the film F width, and the film F to be transferred is always set to this position.
• the control is performed so that the end of the film is positioned at the detection portion of the detection means.
• the film edge detection position of the film side edge position detecting means is used as a base point to change the film in accordance with the input movement amount. It is configured to move in a direction perpendicular to the transfer direction (film dimension direction).
• the film side edge position detecting means 61 can be used. While constantly monitoring the side edge of the film F and preventing the film from meandering, the registration mark detecting means 62 is adjusted and moved with respect to the film end, which is the detection position of the film side end position detecting means 61, to fill the film. Register mark M can be matched with the position where the mark is formed.
• the registration mark detection means 62 is provided so as to be movable relative to the film side end position detection means 61 in a direction perpendicular to the film F transfer direction.
• the mark detecting means 62 was provided on the film side end position detecting means 61 so as to be movable by a motor.
• each of them may be provided so as to be movable with respect to the machine base 1 and drive-controlled by a circuit configuration similar to that of the other detection drive units described above.
• the meandering adjusting means 59 may not be necessarily provided, and the present invention can be applied to a packaging apparatus provided with only the registration mark detecting means 62 without providing the film side end position detecting means 61.
• the tension controller 70a By calculating the value t by arithmetic processing and outputting this reference tension value t to the tension controller 70a, the tension controller 70a always keeps the above-mentioned reference value regardless of the winding diameter of the material roll 3. Since the braking means 68b is controlled so as to obtain the tension value t, it is possible not only to easily perform setup change even if production conditions according to the packaging form for each product change, Since the tension value t is determined, good heat sealing is possible regardless of the experience of the operator or not.
• the reference tension value t can be stored in the backup RAM 37 in a non-volatile manner, when the filling and packaging machine is repeatedly operated in the same packaging form, the reference tension value t can be read only from the backup RAM 37. Good, and the setup time can be further shortened.
• the total weight of the film F between the first horizontal sealing mechanism 7 and the cutter mechanism 8 is neglected in setting the reference tension value t, but this may be taken into consideration depending on the film material. It is desirable to obtain the reference tension value t by using Industrial applicability
• the present invention is suitable for a vertical filling and packaging machine, a horizontal pillow-type packaging machine, and the like, which perform setup change according to the packaging form or packaging specification for each product type.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Containers And Plastic Fillers For Packaging (AREA)
• Auxiliary Devices For And Details Of Packaging Control (AREA)

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Citations (6)

• 1995
  • 1995-10-13 TW TW84110762A patent/TW299296B/zh active
  • 1995-10-19 WO PCT/JP1995/002143 patent/WO1996013431A1/ja active Application Filing

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