JP5698112B2 - Four-side sealed package manufacturing apparatus and four-side sealed package manufacturing method - Google Patents

Description

  The present invention relates to a four-side sealed package manufacturing apparatus and a four-side sealed package manufacturing method for filling a film material whose peripheral portion is sealed with a granular material.

  As a conventional four-way seal filling machine for granular materials, there is one described in the column of conventional technology in Patent Document 1.

  According to this, the granular material in the granular hopper is measured as a granular material that is weighed on a measuring platen that has a measuring rod and a shutter and moves in a sliding manner, and the shutter is opened by the sliding motion and is measured on a fixed chute. It was done.

  The two packaging materials are supplied to the contact portions of the pair of seal rolls via the guide rolls, respectively, and the packaging material around the seal roll recess is pressed against the pair of seal rolls by the rotation of the pair of seal rolls and heat-welded. As a result, a bag was formed.

  When a pair of seal rolls face each other, a vertical chute (filling chute) is inserted between the packaging material in the seal roll recess and the fixed chute shutter is opened, so that the granular material passes through the vertical chute and seals. The vertical movement chute between the roll recesses was filled as a granular material in the space formed by expanding and expanding the packaging material, and the pair of seal rolls were rotated to form a package body in which four sides were sealed.

JP 2000-53104 A

  However, in the powder four-way seal filling machine of Patent Document 1, when the upper edge of the package is sealed by thermal welding, the up and down movement chute is placed so as not to be sandwiched between the pair of seal rolls. It is necessary to move it to the position and let it escape, and while the up-and-down moving chute is moved upward and released, the filling operation cannot be performed, and a space in which the powder body is not filled with the packaging body is generated. Therefore, if it is going to increase a filling capacity | capacitance, it is necessary to enlarge a package, and there existed a problem that the usage-amount of packaging material and bag making time would be taken by it.

  In view of the above circumstances, the present invention provides an apparatus for manufacturing a four-sided seal-type package and a method for manufacturing a four-sided seal-type package that can increase the filling rate of the packing into the package and improve the productivity of the package. It is to provide.

In the first aspect of the present invention, a pair of film material supply portions for supplying a pair of film materials and a part of the pair of film materials sealed to each other to form a plurality of packaging bodies, the depression on the outer peripheral surface And a pair of seal rolls having a vertical seal forming portion for performing vertical sealing and a horizontal seal forming portion for performing horizontal sealing, and a stored amount of filler is measured to a predetermined amount and supplied to the filling portion of the package An apparatus for manufacturing a four-sided seal-type packaging body, comprising: a filling material supply unit; and a seal cutting unit that separates a package body formed in a connected manner. Is provided with a filling chute that supplies a filling portion of the package, and the filling chute has a cylindrical supply port portion that supplies the filling, and the supply port portion includes the vertical seal forming portion of the pair of seal rolls and the A position that does not interfere with the horizontal seal forming part, and While being positioned above the pair of seal rolls, by expanding the pair of film material on an outer peripheral surface side has a guide surface that permits filling the filling fed from the supply port portion, the upper pair of sealing rolls And a guide portion that holds the pair of film materials in a sealable manner and holds the filling portion in a formable manner , and the guide portions are paired so that the portions to be vertically sealed of the pair of film materials are close to each other. A vertical seal guide portion that guides a vertically sealed portion of the film material; and a filling portion guide portion that is formed so that the supply port portion can be inserted and guides portions other than the vertically sealed portions of the pair of film materials. It is configured.

  As a result, at the position where it does not interfere with the pair of seal rolls, while the pair of film materials are expanded on the guide surface, the guide portions can hold the film material so that it can be sealed and the filling portion can be formed, and the supply port portion It becomes possible to supply a filler.

  Therefore, it is not necessary to move the filling chute, and most of the time during which the filling chute has been moved can be used for the filling operation of the filling material. Productivity can be improved.

  The vertical seal guide portion guides the vertically sealed portion of the pair of film materials so that the vertically sealed portions of the pair of film materials are close to each other. Can be prevented.

  In addition, since the portion other than the portion where the film material is vertically sealed is guided and held by the filling portion guide portion, the filling operation of the filling material at the supply port portion of the filling chute can be reliably performed. . Furthermore, since the film material is fed at a portion between the filling portion guide portion and the guide surface, the form of the film material is stabilized and the defect of the seal portion can be suppressed.

Invention of Claim 3 is a manufacturing method of a four-sided seal type packaging body, a pair of film materials are supplied by a pair of film material supply units, a depression on the outer peripheral surface, and a vertical seal forming unit for performing vertical sealing, A pair of film materials are sealed with each other by a pair of seal rolls having a horizontal seal forming portion for performing a horizontal seal to form a plurality of connected packages, and the filling material stored by the filling material supply portion A method for manufacturing a four-sided seal-type packaging body in which a predetermined amount is measured and supplied to a filling section of a packaging body, and the packaging body formed in a connected manner is separated by a seal cutting section, provided in the filling material feeding section The cylindrical supply port portion of the filling chute is disposed at a position where it does not interfere with the vertical seal formation portion and the horizontal seal formation portion of the pair of seal rolls and on the upper side of the pair of seal rolls. Formed on the outer peripheral side By the guide surface, while the fillable so expanded packing supplied from the supply port portion with a pair of film material, the longitudinal seal guide portion formed on the guide portion disposed on the upper side of the pair of sealing rolls A filling portion formed by guiding the vertically sealed portion of the pair of film materials so that the vertically sealed portions of the pair of film materials are close to each other, and the supply port portion being insertable in the guide portion. The guide portion guides a portion of the pair of film materials other than the portion to be vertically sealed, and the guide portion holds the pair of film materials so that they can be sealed and can form a filling portion, and from the supply port portion. Then, the filling material weighed in a predetermined amount is supplied to the filling portion of the package.

  This eliminates the need to move the filling chute and allows most of the time during which the filling chute has been moved to be used for filling the filling. Productivity can be improved.

Further , it is possible to prevent the filling material from being bitten by the vertical seal portion and to reliably perform the filling operation of the filling material at the supply port of the filling chute. Furthermore, since the film material is fed at a portion between the filling portion guide portion and the guide surface, the form of the film material is stabilized and the defect of the seal portion can be suppressed.

  The filling rate of the packing material into the package can be increased, and the productivity of the package can be improved.

It is a rough front view of the manufacturing apparatus of the four-sided seal type packaging body of one Embodiment in this invention. It is a perspective view of the principal part of the manufacturing apparatus. It is the perspective view which removed the component of the one side of the principal part of the manufacturing apparatus. It is a top view of the state which removed the filling chute of the principal part of the manufacturing apparatus. It is a rough perspective view which shows the relationship between the guide part and filling chute of the manufacturing apparatus. It is a partial enlarged plan view of the principal part of the manufacturing apparatus. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device. It is an operation state figure of the manufacturing device.

  An embodiment of the present invention will be described with reference to the drawings. In the following description, the same reference numerals are used for corresponding components in a pair of configurations.

  As shown in FIG. 1, a four-side sealed package manufacturing apparatus (hereinafter referred to as “manufacturing apparatus”) 1 includes a pair of film material supply units 2 that supply a pair of film materials F, and a pair of films. A pair of seal rolls 3 (symbolized with 3a and 3b for distinction) and a stored filling S are formed by sealing a part of the material F to each other and connecting a plurality of packaging bodies P together. A pair of filler supply parts 4 that are metered in a fixed amount and supplied to the filling part P1 of the package P, and a pair of seal cutting parts that cut the longitudinal seal portion along the feed direction of the package P formed in a connected manner. The vertical seal cutting part 7, the pair of pulling rolls 8 for pulling the package P formed below and connected to the lower part of the pair of vertical seal cutting parts 7 downward, and the lower side of the pulling roll 8 and connected to each other. The direction orthogonal to the feed direction of the formed package P It includes a lateral seal cutting unit 9 having a movable blade and the fixed blade as a seal cutting unit to cut the laterally sealed part along the. The package P is cut and separated into a predetermined number of sheets by the vertical seal cutting unit 7 and the horizontal seal cutting unit 9 and then conveyed to the next step.

  As shown in FIGS. 1 and 2, the film material supply unit 2 is arranged on the seal roll 3 a side and the seal roll 3 b side in the front view, and guides the film material F wound around a pair of reels (not shown). The paper is fed toward the seal rolls 3a and 3b via the roller 21 and the sub-roller 22.

  Each seal roll 3 has a plurality of depressions 31 on the outer peripheral surface. Portions other than the depression 31 on the outer peripheral surface of each seal roll 3 are formed along the direction of rotation of the seal roll 3 and are formed along the direction of rotation of the seal roll 3. And a horizontal seal forming portion 33 that performs horizontal sealing. Each seal roll 3 is controlled by a control unit (not shown) so as to continuously rotate in a contact state and heat-seal the pair of film materials F.

  The filling material supply unit 4 stores the hopper 41 that stores the filling material S, the weighing unit 42 that measures the filling material S by a control unit (not shown), and the filling material S that is measured by the weighing unit 42. A non-illustrated control unit opens a shutter (not shown) to feed the filling material S to a filling chute 43 to be described later, and sends the filling material S fed from the fixed chute 44 to the filling portion P1 of the package P. And a filling chute 43 to be fed.

  The main part of the present invention will be described below.

  As shown in FIGS. 1, 2, and 3, the filling chute 43 is formed in a cylindrical shape that becomes narrower from the upper side to the lower side in the front view, and projects downward from the narrowest part. A rectangular tube-shaped supply port 431 for supplying S is provided. The lower end portion of the supply port portion 431 is formed in an acute plate shape in which both end portions in the axial direction of the pair of seal rolls 3a and 3b protrude downward.

  The supply port portion 431 is disposed at a position that does not interfere with the outer peripheral edges of the pair of seal rolls 3a and 3b when viewed from the axial direction of the pair of seal rolls 3a and 3b. The outer peripheral surface of the supply port portion 431 is formed as a guide surface 432 for expanding the film material F. The guide surface 432 is in contact with the pair of film materials F by the pair of film materials F being pulled downward by the pair of pulling rolls 8 via the seal rolls 3a and 3b, and the filling material S from the supply port portion 431. Is expanded to a state where it can be fed to the filling part P1 of the package P.

  As shown in FIGS. 1, 2, and 3, a guide portion 6 is disposed above the pair of seal rolls 3 a and 3 b. The guide portion 6 includes a pair of molding guides 6a and 6b.

  As shown in FIGS. 1, 2, 4, and 5, the molding guides 6a and 6b are formed long in the direction along the axial direction of the seal rolls 3a and 3b in plan view, and the longitudinal direction thereof is the seal roll 3a, It is disposed along the axial direction of 3b, and is formed of a plate having a substantially crescent-like thickness in which the lower surface side is curved along the outer peripheral surface of the sealing rolls 3a and 3b when viewed from the axial direction of the sealing rolls 3a and 3b. . The molding guides 6a and 6b are supported by a machine frame (not shown) of the manufacturing apparatus 1 at both ends in the direction along the axial direction of the seal rolls 3a and 3b.

  The molding guides 6a and 6b include a vertical seal guide portion 61 that guides the vertically sealed portions of the pair of film materials F so that the vertically sealed portions of the pair of film materials F are close to each other, and a supply port portion 431. And a filling portion guide portion 62 that guides a portion other than the portion to be vertically sealed of the pair of film materials F.

  4, 5, and 6, the vertical seal guide portion 61 is formed at a portion other than the filling portion guide portion 62 in a plan view, and in the front view and the plan view, the vertical seal guide portion 61 of the molding guide 6a The gap between the molding guide 6b and the vertical seal guide 61 is formed so as to have a gap slightly larger than the thickness of the paired film material F.

  As shown in FIGS. 4, 5, and 6, the filling portion guide portion 62 has a rectangular lower end portion in the vertical direction from the side where the molding guide 6 a and the molding guide 6 b face each other to the opposite side. The supply port portion 431 is formed so as to be insertable between the filling portion guide portion 62 of the molding guide 6a and the filling portion guide portion 62 of the molding guide 6b. The filling portion guide portion 62 is in contact with the film material F when the pair of film materials F are pulled downward by the pair of pulling rolls 8 via the seal rolls 3a and 3b, and the filling material S is supplied from the supply port portion 431. Is formed in such a manner as to hold a state where it can be fed to the filling part P1 of the package P.

  A method for manufacturing a four-side sealed package by the manufacturing apparatus 1 will be described below.

  A pair of film material F wound around a pair of reels (not shown) by the pair of film material supply units 2 is fed toward the pair of seal rolls 3a and 3b via the guide roller 21 and the sub roller 22, respectively. .

  The cylindrical supply port portion 431 of the filling chute 43 provided in the filling material supply portion 4 is disposed at a position where it does not interfere with the outer peripheral edges of the pair of seal rolls 3 when viewed from the axial direction of the pair of seal rolls 3. The guide surface 432 formed on the outer peripheral surface side of the mouth portion 431 expands the pair of film materials F so that the filling material S supplied from the supply mouth portion 431 can be filled, and on the upper side of the pair of seal rolls 3. The arranged guide portion 6 holds the pair of film materials F so that they can be sealed and the filling portion P1 can be formed, and the filling S weighed to a predetermined amount from the supply port portion 431. It supplies to the filling part P1.

  At this time, the pair of film materials F is pulled downward by the pair of pulling rolls 8 via the seal rolls 3 a and 3 b, and the vertical seal guide portions 61 formed on the guide portions 6 are used to vertically align the pair of film materials F. A pair of film materials F is guided by the filling portion guide portion 62 formed so that the supply port portion 431 can be inserted into the guide portion 6 while guiding the sealed portion so that the vertically sealed portions of the pair of film materials F are close to each other. A portion other than the portion to be vertically sealed of the film material F is guided.

  The operation state of the filling S filling work of the seal rolls 3a and 3b and the supply port portion 431 will be described below with reference to FIGS. 7 to 15, the right view shows a state in a front view, and the left view shows a state in a side view in which the height in the vertical direction is combined with the right view. In addition, the left figure only represents one row of the package P along the vertical direction, and other rows are omitted. Moreover, the sealed part of the package P is shown with a lattice pattern. Further, the filler S in the supply port portion 431 is omitted.

  In FIG. 7, in the horizontal seal forming portion 33 of the seal rolls 3 a and 3 b, the filling portion P <b> 1 of the package P is completely filled with the filler S, and the horizontal seal on the upper side of the package P is performed. The lower seal of the lower side of the package P to be manufactured is performed. In this state, the filling material S is not fed from the supply port portion 431 of the filling chute 43.

  In FIG. 8, the rotation of the seal rolls 3a and 3b advances, and in the horizontal seal forming portion 33 of the seal rolls 3a and 3b, the horizontal seal on the upper side of the package P and the horizontal seal on the lower side of the package P to be manufactured next. Has been completed. In this state, the filling material S is not fed from the supply port portion 431 of the filling chute 43.

  In FIG. 9, the rotation of the seal rolls 3a and 3b proceeds, and the vertical seal forming portion 32 starts vertical seals at both ends in the axial direction of the pair of seal rolls 3a and 3b of the package P. In this state, filling of the filler S from the supply port portion 431 of the filling chute 43 to the filling portion P1 of the package P has started.

  10-12, the rotation of the seal rolls 3a, 3b proceeds, and in the vertical seal forming part 32, the vertical seals at both ends in the axial direction of the pair of seal rolls 3a, 3b of the package P are continued, The filling S is continuously filled from the supply port portion 431 of the filling chute 43 to the filling portion P1 of the package P. In each of these states, filling of the filling material S from the supply port portion 431 of the filling chute 43 is performed via the fixed chute 44 by a control unit (not shown) so that the filling amount of the filling material S does not exceed the position where the vertical seal is formed. Controlled.

  In FIG. 13, the rotation of the seal rolls 3a and 3b advances, and in the vertical seal forming part 32, the vertical seals at both ends in the axial direction of the pair of seal rolls 3a and 3b of the package P are almost finished. When the lateral seal forming portion 33 that performs the lateral seal on the upper side of P approaches, the filling of the filling material S from the supply port portion 431 of the filling chute 43 is controlled by the control portion (not shown) via the fixed chute 44 and is terminated. The

  In FIG. 14, when the filling portion P1 of the packaging body P is completely filled with the filling S and the vertical sealing is completed, the lateral sealing on the upper side of the packaging body P is performed and the lower side of the packaging body P to be manufactured next. Side seals are made. In this state, the filling material S is not fed from the supply port portion 431 of the filling chute 43.

  In FIG. 15, the rotation of the seal rolls 3a and 3b advances, and in the horizontal seal forming portion 33 of the seal rolls 3a and 3b, the horizontal seal on the upper side of the package P and the horizontal seal on the lower side of the package P to be manufactured next. Has been completed. In this state, the filling material S is not fed from the supply port portion 431 of the filling chute 43. At this stage, one manufacturing cycle of the package P is completed.

  13 to 15, the filling chute 43 is moved upward while the filling of the filling material S from the supply port 431 of the filling chute 43 is controlled by a control unit (not shown) and the lateral sealing is performed. If it is made to move, the wrinkle at the time of the horizontal seal of the upper side of the package P and the horizontal seal of the lower side of the package P manufactured next can be prevented. The movement of the filling chute 43 is different from the upward movement of the vertical movement chute of Patent Document 1, and the pair of film materials F are temporarily released by releasing the expansion of the pair of film materials F by the guide surface 432 guide. It becomes easy to match, and facilitates the lateral seal on the upper side of the package P and the lateral seal on the lower side of the package P to be manufactured next.

  As described above, in the manufacturing apparatus 1, the supply port portion 431 of the filling chute 43 is disposed at a position that does not interfere with the outer peripheral edges of the pair of seal rolls 3a and 3b when viewed from the axial direction of the pair of seal rolls 3a and 3b. And having a guide surface 432 that allows the pair of film materials F to be expanded on the outer peripheral surface side and to be filled with the filler S supplied from the supply port portion 431, is disposed on the upper side of the pair of seal rolls 3, It is set as the structure provided with the guide part 6 which hold | maintains a pair of film material F so that sealing is possible, and can form the filling part P1.

  As a result, at a position where it does not interfere with the pair of seal rolls 3, the pair of film materials F are expanded by the guide surfaces 432, and the film portions F are held by the guide portions 6 so that they can be sealed and the filling portions P <b> 1 can be formed. In addition, the filling material S can be supplied from the supply port 431.

  Therefore, it is not necessary to move the filling chute 43, and most of the time during which the filling chute 43 has been moved can be used for the filling operation of the filling S. Therefore, the filling rate of the filling S into the package P can be reduced. The productivity of the package P can be improved.

  In addition, the guide portion 6 is provided with a vertical seal guide portion 61 for guiding the vertically sealed portions of the pair of film materials F so that the vertically sealed portions of the pair of film materials F are close to each other, and a supply port portion 431. And a filling portion guide portion 62 for guiding a portion other than the portion to be vertically sealed of the film material F.

  Since the longitudinal seal portion of the pair of film materials F is guided by the longitudinal seal guide portion 61 so that the longitudinal seal portions of the pair of film materials F are close to each other, the filling S in the longitudinal seal portion Can prevent biting of the powder.

  Further, since the portion other than the portion where the film material F is vertically sealed is guided and held by the filling portion guide portion 62 during the vertical sealing, the filling operation of the filling material S in the supply port portion 431 of the filling chute 43 is ensured. Can be done.

  Moreover, since the film material F is fed by the part between the filling part guide part 62 and the guide surface 432, the form of the film material F is stabilized and the defect of a seal part can be suppressed.

  Moreover, the supply port part 431 is not limited to what was mentioned above. As long as the film material F can be expanded, such as a long cylindrical shape, a saddle cylindrical shape, or a polygonal cylindrical shape, it can be appropriately changed.

  Moreover, the filling part guide part 62 is not limited to the shape mentioned above. If the form of the film material F is stable, the film material F can have a shape corresponding to the form of the supply port portion 431, or can be formed with a rounded shape.

  Moreover, it can be set as the structure which connects the guide part 6 and the sub roller 22 to a heat source device, respectively, and heats the guide part 6 and the sub roller 22 from a heat source device, respectively. With such a configuration, the film material F becomes soft due to heat and becomes easy to mold, and the filling material S can be filled and packaged stably.

  Although the guide part 6 is comprised by a pair of shaping | molding guides 6a and 6b, it can also be integrally formed by connecting at the both ends in the axial direction of a pair of seal rolls 3a and 3b.

DESCRIPTION OF SYMBOLS 1 Manufacturing apparatus 2 Film material supply part 3a, 3b Seal roll 4 Filling material supply part 431 Supply port part 432 Guide surface 6 Guide part 6a, 6b Molding guide 61 Vertical seal guide part 62 Filling part guide part 7 Vertical seal cutting part 9 Horizontal Seal cutting part F Film material P Packing body P1 Filling part S Filling material

Claims (2)

A pair of film material supply parts for supplying a pair of film materials , a recess formed on the outer peripheral surface formed by sealing a part of the pair of film materials and connecting a plurality of packaging bodies, and a vertical seal for vertical sealing A pair of seal rolls having a seal forming part, a horizontal seal forming part for performing a horizontal seal, and a filling supply part that measures the stored charge to a predetermined amount and supplies it to the filling part of the package, A seal cutting part for separating the package formed by connecting, and a manufacturing apparatus for a four-side sealed package,
The filling material supply unit includes a filling chute that supplies the filling material weighed in a predetermined amount to the filling unit of the package,
The filling chute has a cylindrical supply port for supplying the filling,
The supply port portion is disposed at a position where it does not interfere with the vertical seal forming portion and the horizontal seal forming portion of the pair of seal rolls and on the upper side of the pair of seal rolls, and on the outer peripheral surface side, A guide surface that expands the film material and enables the filling material supplied from the supply port portion to be filled;
A guide portion that is disposed on the upper side of the pair of seal rolls, holds the pair of film materials in a sealable manner, and holds the filling portion in a formable manner ;
The guide portion is
A vertical seal guide portion that guides the vertically sealed portions of the pair of film materials so that the vertically sealed portions of the pair of film materials are close to each other;
A filling portion guide portion that is formed so that the supply port portion can be inserted and guides a portion other than a portion of the pair of film materials that are vertically sealed;
An apparatus for manufacturing a four-sided seal-type package, comprising: A pair of film material is supplied by a pair of film material supply units, and a pair of seal rolls having a recess on the outer peripheral surface, a vertical seal forming unit for performing vertical sealing, and a horizontal seal forming unit for performing horizontal sealing A part of the film material is sealed with each other to form a plurality of connected packaging bodies, and a predetermined amount of filling material stored by the filling material supply unit is measured and supplied to the filling unit of the packaging body. A four-side sealed package manufacturing method for separating a package formed by a seal cutting part,
Said not to interfere with the longitudinal seal forming portion and the lateral seal forming portion of said sealing rolls tubular supply port of the pair of filling chute provided in the filler supply unit position, and a pair of upper side of the seal rolls It should be placed in the,
With the guide surface formed on the outer peripheral surface side of the supply port portion, while expanding the pair of the film materials to be filled with the filler supplied from the supply port portion,
Due to the longitudinal seal guide portion formed on the guide portion disposed on the upper side of the pair of seal rolls, the vertically sealed portions of the pair of film materials are close to each other. And by guiding a portion other than the portion to be vertically sealed of the pair of film materials by the filling portion guide portion formed so that the supply port portion can be inserted into the guide portion, The guide portion holds the pair of film materials so that they can be sealed and the filling portion can be formed, and
From the supply port portion, the filling material measured to a predetermined amount is supplied to the filling portion of the package body.
A method for producing a four-side sealed package characterized by the above.

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