JPH07251803A - Bag charging packing machine - Google Patents

Abstract

PURPOSE:To effect sealing of three sides of a packing film and back bonding sealing thereof by means of one packing machine by putting an item to be packed into a tubular packing film with a bottom so as to be sealed therein and cutting off a lateral, thermally welded portion of the packing film. CONSTITUTION:A long size packing film which is longitudinally supplied is led to a molding chute 13 to form it into a tubular shape, and the opposite side edges thereof are joined and the joined edges are vertically sealed by a vertical, thermal welding means 14 thereby to form a tubular portion. The tubular portion of the packing film is transversely sealed to provide a bottom for the film by means of a transverse, thermal welding means 21 disposed downstream of the means 14, and thereafter an item to be packed is put into the tubular packing film utilizing the chute 13. And the upper portion of the film is sealed by a next transverse seal of a transverse thermal welding means. And thereafter, the transversely welded portion of the packing film is cut off by means of a cutting means (jagged blade cutter) 25 to form it into a product.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generally relates to a bag-making filling and packaging machine for packaging various powders and granules with a packaging film,
In particular, a long packaging film supplied in the longitudinal direction is guided to a forming chute to be formed into a tube and both side edges are aligned, and the both side edges are vertically sealed by a vertical direction heat welding means, and the vertical direction heat welding is performed. Lateral sealing by means of the lateral heat welding means disposed on the downstream side of the means is filled and sealed after filling the object to be packaged in the tubular packaging film in the bottomed state,
The present invention relates to an improvement of a bag-making filling and packaging machine that cuts a lateral heat-welded portion of a packaging film by a cutting means.

[0002]

2. Description of the Related Art As the standard of living has improved, tastes have become more diverse,
The production method of daily life-related products is shifting from mass production to high-mix low-volume production, and along with this, manufacturing machines are diversifying. Also in the packaging field, for example, various powders such as powder soup, dashi stock, seasonings, and bath agents are formed by a three-way seal mainly composed of a vertical seal portion 51A and upper and lower horizontal seal portions 51B and 51C as shown in FIG. Granules such as bean confectionery, candy balls, marble chocolate, etc., which are packaged in the wrapped packaging film bag 51, are mainly attached to the back by a vertical seal portion 52A on the back and upper and lower horizontal seal portions 52B, 52C as shown in FIG. It is often packaged in a packaging film bag 52 formed of a seal. Conventionally, in order to carry out this kind of packaging, a bag-making filling and packaging machine for three-way sealing and a bag-making filling and packaging machine for back-attached sealing have been separately prepared.

[0003]

The difference between these two bag making and packaging machines is that the former performs horizontal sealing and cutting in the same direction as the vertical sealing direction of the vertical sealing heat roll having the same configuration. On the other hand, the latter is the point of performing lateral sealing and cutting in the direction orthogonal to the vertical sealing direction. Therefore, most can be used in common except for the heat roll for lateral heat welding for horizontal sealing and the cutting means. There is a large loss from the aspect.

The present invention has been proposed in view of the above points, and a bag having a unique structure capable of performing both three-sided sealing and back-sealing sealing of a packaging film with one unit by simply replacing the unit. An object is to provide a filling and packaging machine.

[0005]

In order to achieve the above-mentioned object, a bag-making filling and packaging machine according to claim 1 of the present invention guides a long packaging film supplied in the longitudinal direction to a forming chute to form a tube. Formed into a shape, the both side edges are aligned, the both side edges are vertically sealed by the vertical direction heat welding means, and the horizontal direction welding is sequentially performed by the horizontal direction heat welding means arranged on the downstream side of the vertical direction heat welding means. A tubular packaging film in a bottomed state is filled with an object to be packaged and then sealed, and the transverse heat-welding portion of the packaging film is cut by a cutting means. The cutting means is assembled in one unit that can be attached and detached, and as the unit, a cutting means that cuts in the same direction as the lateral heat welding means that performs horizontal sealing in the same direction as the vertical sealing direction of the vertical heat welding means. Consisting of A back-bonding seal unit including a three-way seal unit and a transverse heat welding means for performing lateral sealing in a direction orthogonal to the vertical sealing direction of the vertical thermal welding means and a cutting means for cutting in the same orthogonal direction are provided. It is characterized by being.

According to a second aspect of the present invention, the backing seal unit is mounted on a machine base of a bag making and packaging machine such that the lateral heat welding means is adjusted in distance from the vertical heat welding means. A driven configuration is desirable.

[0007]

In the bag-making filling and packaging machine according to claim 1 of the present invention configured as described above, the long packaging film supplied in the longitudinal direction is guided to the molding chute to be molded into a tubular shape, and both side edges are formed. The two side edges are vertically sealed by a vertical direction heat welding means to form a tubular portion. The tubular portion of this packaging film is laterally sealed by the lateral thermal welding means arranged on the downstream side of the vertical thermal welding means to first make a bottomed state, and then inside the tubular packaging film using a molding chute. Fill the items to be packaged. The top is sealed by the next transverse seal of the transverse heat welding means. This upper sealing brings the next tubular portion into a bottomed state, and the filling and sealing are repeated. The transverse heat-welded portion of the wrapped packaging film is cut off by a cutting means to make a product.

The lateral heat welding means and the cutting means are assembled into a detachable unit, and as a unit, the lateral heat welding is performed in the same direction as the vertical sealing direction of the vertical heat welding means. A three-way seal unit including welding means and a cutting means that also cuts in the same direction, a lateral heat welding means that performs lateral sealing in a direction orthogonal to the vertical sealing direction of the vertical heat welding means, and a direction that is also orthogonal. Since a back sticking seal unit consisting of cutting means for cutting is provided, a three-way seal packing and a back sticking seal are selected by appropriately selecting the three-side seal unit and the back-stick seal unit according to the type of the object to be packaged. Can be packaged.

In the bag-making filling and packaging machine according to the present invention, the back-sealing seal unit is mounted on the machine base of the bag-making filling and packaging machine so that the lateral heat welding means can be adjusted in distance from the vertical heat welding means. Even if the size of the tubular portion of the packaging film is changed, the center of the tubular portion is moved from the vertical heat welding means so that the horizontal seal of the horizontal heat welding means is achieved. The work surface can be transferred, and the lateral heat welding means can be driven to perform the lateral sealing work.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The bag making and packaging machine of the present invention will now be described in detail below with reference to the accompanying drawings. FIG. 1 is a front view of a bag-making filling and packaging machine for three-way sealing in which a three-way sealing unit is incorporated in the bag-making filling and packaging machine according to the present invention, FIG. 2 is a side view of the bag-making filling and packaging machine, and FIG. FIG. 4 is an enlarged side view of the unit portion, FIG. 4 is a plan view of a lateral heat welding means of the three-way seal unit, FIG. 5 is a plan view of cutting means of the three-way seal unit, and FIG. 6 is a bag-making filling and packaging machine according to the present invention. 9 is a front view of a bag-making filling and packaging machine for back-sticking seals incorporating a back-pasting seal unit, FIG. 7 is a side view of the bag-making sealing and packaging machine, and FIG. 8 is an enlarged side view of the back-sticking seal unit. FIG. 10 is a plan view of a lateral heat welding means of the back-adhesive seal unit, and FIG. 10 is a plan view of cutting means of the back-adhesion seal unit.

1 to 10, a bag-making filling and packaging machine 1 of the present invention has a three-sided seal unit 20 incorporated therein, and is suitable for packaging various powders such as powdered soup, dashi stock, seasonings, and bath agents. It is used as a bag-making filling and packaging machine 2 for seals, and also as a bag-making filling and packaging machine 3 for back-sticking which is suitable for packaging granular materials such as bean confectionery, candy balls, and marble chocolate by incorporating the back-pasting seal unit 30. . As shown in FIGS. 1 to 5, the bag making and packaging machine 2 for three-way sealing first guides the heat-welding packaging film F fed from the reel 11 to the vertical forming chute 13 via the tensioning means 12. To form a tube. Next, after the packaging film F is formed into a tube shape and the both side edge portions are aligned with each other, the both side edge portions are vertically sealed by the vertical direction heat welding means (a pair of vertical sealing heat rolls) 14, and the three-way sealing unit 20 Lateral sealing is performed by means of the lateral heat welding means (a pair of horizontal sealing heat rolls) 21 to provide a bottomed state. The packaging film F is fed by the pair of vertical sealing heat rolls 14 which are rotated by the dedicated motor M2. The powder constantly replenished from the hopper 19 is sequentially introduced into the tubular packaging film F in a bottomed state from the weighing plate 18 via the introduction chute 17 below the molding chute 13 in a fixed amount. Each time the horizontal sealing heat roll 21 is actuated, the tubular packaging film F is moved from the bottomed state to the powdered state and then to the sealed state, and a rotary cutting means (a serrated blade cutter) also incorporated in the three-way sealing unit 20. 25, the lateral sealing portion of the packaging film F is sequentially cut.

The three-way seal unit 20 has a pair of horizontal seals from above on a frame 20A attached to the machine base 1A of the bag making and filling and packaging machine 1 under the vertical forming chute 13 and the pair of vertical sealing heat rolls 14. Heat roll 21
And the rotary serrated blade cutter 25 are sequentially incorporated. The horizontal sealing surfaces of the pair of horizontal sealing heat rolls 21 and the cutting positions of the serrated blade cutter 25 coincide with the center plane P1 of the forming chute 13 when viewed from the front. The pair of horizontal sealing heat rolls 21 are provided with gears 21A meshing with each other at one end of their respective end shafts, and are machine-side input gears meshing with the outermost end gear 21B of one end shaft. It is adapted to be rotationally driven by 2B so as to feed the tubular wrapping film F from top to bottom. Rotating serrated blade cutter 2
5 is also driven to rotate from the top to the bottom at the cutting position via the gear means 25B, 3B by the machine base side input shaft 3A, and hits the fixed blade to perform the cutting action.

The bag making / filling and packaging machine 1 has a basic common structure, and the input shaft 2A integrally fixed to the machine-side input gear 2B of the transverse seal heat roll rotary drive system is the machine base 1A. It is rotationally driven by a variable speed motor M1 and a speed reducer G mounted on the plate 1B via a sprocket / chain means C1, an intermediate shaft I with a gear system T1 and a lateral seal speed tuning mechanism S of a lateral seal heat roll 21. Like so. The synchronizing mechanism S synchronizes the horizontal sealing speed of the horizontal sealing heat roll 21 when the rotation speed of the vertical sealing heat roll 14 is changed to change the vertical lengths of the packaging film bags 51, 52. is there. In addition, the machine shaft side input shaft 3A of the serrated blade cutter rotation drive system is the same as the variable speed motor M1.
And the reduction gear G is rotationally driven via the differential device D. Therefore, the three-way seal unit 20
The separated portion of the driven portion is between the gear 21B of the horizontal sealing heat roll 21 and the machine-side input gear 2B, and between the gear 25B of the serrated blade cutter 25 and the gear 3B of the machine-side input shaft 3A. Has become. The intermediate shaft I is a differential device D1 for rotating the weighing plate 18 via a sprocket / chain means C2.
The attached input shaft 8A is driven to rotate.

In the three-way sealing unit 20, when the width of the packaging film F, that is, the diameter of the tubular shape is changed to change the width of the three-way sealing packaging film bag, even if the molding chute 13 corresponding thereto is changed, the reference position Since the vertical sealing surface of the vertical sealing heat roll 14 and the horizontal sealing surface and the cutting position are on the same plane, the change can be directly supported by using the wide horizontal sealing heat roller 21 and the serrated blade cutter 25. It will be.

Next, the bag-making filling and packaging machine 3 for the back-sticking seal
6 have substantially the same configuration except for the back sticking seal unit 30, as shown in FIGS. 6 to 10. That is, the common component of the bag making filling packaging machine 1 of the present invention is the reel 1
1, tension means 12, forming chute 13, vertical sealing heat roll 14, introducing chute 17, weighing plate 18, hopper 19, and further, variable speed motor M1 and speed reducer mounted on base plate 1B of machine base 1A. G, sprocket / chain means C1, C2, intermediate shaft I with gear system T1, tuning mechanism S, differential device D, etc., machine base 1A and base plate 1B.

The back-sealing seal unit 30 is mounted and driven on the machine base 1A of the bag-making filling and packaging machine 1 so that the horizontal-sealing heat roll 31 can be adjusted in distance from the vertical-sealing heat roll 14. That is, the back-sticking seal unit 30 is paired from the top with the frame 30A attached to the machine base 1A of the bag-making filling and packaging machine 1 under the vertical forming chute 13 and the pair of vertical sealing heat rolls 14 in the standard position. Horizontal sealing heat roll 31 and rotary serrated blade cutter 3
5 and are sequentially incorporated. The horizontal sealing surfaces of the pair of horizontal sealing heat rolls 31 and the cutting positions of the serrated blade cutters 35 are orthogonal to the center plane P1 of the forming chute 13 when viewed from the front and are constant from the vertical sealing heat roll 14 at the reference position. It is included in the plane P2 of the distance. The pair of horizontal sealing heat rolls 31 are provided with gears 31A meshed with each other at one end of their respective end shafts, and an intermediate gear 32A meshed with one of them and a gear 33A meshed therewith. Intermediate shaft 33 having bevel gear 33B at one end and bevel gear 3
Bevel gear 34A meshed with 3B is rotated by gear 34B that rotates to be driven to rotate tubular packaging film F from top to bottom by machine-side input gear 2C meshed with 34B. There is. The rotary serrated blade cutter 35 also has gear means 35A, 36A and bevel gear means 36B,
37A and a bevel gear 37A are rotated by a gear 3B of a machine-side input shaft 3A via a wide gear 37B for rotating the bevel gear 37A, and are driven to rotate from top to bottom at a cutting position to hit a fixed blade to perform a cutting action. The gear 2C of the machine side input shaft 2A is wider than the three-way sealing gear 2B. Wide gear 2
C and 37B allow movement of the backing sticker unit 30 with respect to the machine base 1A.

In the back-sealed seal unit 30, when the width of the packaging film F, that is, the diameter of the tubular shape is changed to change the width of the back-sealed seal packaging film bag, it is replaced with the molding chute 13 corresponding to the changed width. Further, since the horizontal seal surface P2 is orthogonal to the vertical seal surface P1 of the vertical seal heat roll 14 at the reference position, the wide horizontal seal heat roll 31 and the serrated blade cutter 35 are placed at the center O1 of the tube. The frame 30A is adjusted by adjusting the distance in the mounting oval hole 30B so as to be fixed and fixed to the machine base 1A. At this time, since the gear 2C of the horizontal seal machine-side input shaft 2A and the driven gear 37B for cutting means are wide, even if the back-seal seal unit 30 is moved back and forth, the horizontal seal heat roll 31 and The cutter 35 can be rotationally driven without any trouble.

[0018]

As is apparent from the above description, according to the bag-making filling and packaging machine of the first aspect of the present invention, the lateral heat welding means and the cutting means are assembled into a detachable unit. As the unit, a three-way seal unit including a lateral heat welding means for performing horizontal sealing in the same direction as the vertical sealing direction of the vertical heat welding means and a cutting means for cutting in the same direction, and a vertical heat sealing unit. Since there is provided a back sticking seal unit including a lateral heat welding means for performing lateral sealing in a direction orthogonal to the vertical sealing direction of the welding means and a cutting means for performing cutting in the same orthogonal direction, the packaged object Depending on the type, you can select the three-side seal unit and back-seal sticker unit appropriately and perform three-side seal packing and back-seal sticker packaging with one bag-making filling and packing machine. Savings rate improvement of the investment cost and installation space can enjoy the effects, such as can be achieved.

In the bag-making filling and packaging machine according to the present invention, the back-sealing seal unit is mounted on the machine base of the bag-making filling and packaging machine so that the lateral heat welding means can be adjusted in distance from the vertical heat welding means. Since it is driven and driven, even if the size of the tubular part of the packaging film is changed,
Since the center position of the tubular portion is changed from the vertical heat welding means, the horizontal sealing work surface of the horizontal heat welding means can be transferred, and the horizontal heat welding means can be driven without any problem even if transferred. Lateral sealing work can be performed, and width dimensions can be easily changed.

[Brief description of drawings]

FIG. 1 is a front view of a bag-making filling and packaging machine for three-way sealing in which a three-way sealing unit is incorporated in the bag-making filling and packaging machine according to the present invention.

FIG. 2 is a side view of the bag-making filling and packaging machine.

FIG. 3 is an enlarged side view of the three-way seal unit portion.

FIG. 4 is a plan view of a lateral heat welding means of the three-way seal unit.

FIG. 5 is a plan view of a cutting means of the three-way seal unit.

FIG. 6 is a front view of a bag-making filling and packaging machine for a back-sticking seal in which a back-sticking seal unit is incorporated in the bag-making filling and packaging machine according to the present invention.

FIG. 7 is a side view of the bag-making filling and packaging machine.

FIG. 8 is an enlarged side view of the same back-attached seal unit.

FIG. 9 is a plan view of a lateral heat welding means of the back-sealed seal unit.

FIG. 10 is a plan view of a cutting means of the back-attached seal unit.

FIG. 11 is an explanatory view of a three-side sealed packaging film bag formed by the bag-making filling and packaging machine.

FIG. 12 is an explanatory view of a backing sticker packaging film bag formed by a bag-making filling and packaging machine.

[Explanation of Codes] 1 bag making and packing machine 1A machine stand 2 bag making and packing machine for three-way sealing 3 bag making and packing machine for back-attached sea 13 molding chute 14 vertical heat welding means (a pair of vertical sealing heat rolls) ) 20 three-way seal unit 21 lateral heat welding means (a pair of horizontal sealing heat rolls) 25 cutting means (a serrated blade cutter) 30 back-sticking seal unit 31 lateral heat welding means (a pair of horizontal sealing heat rolls) 35 cutting Means (Glazed Blade Cutter) F Packaging Film

Claims (2)

[Claims] 1. A long packaging film supplied in the longitudinal direction is guided to a forming chute to be formed into a tubular shape, both side edges are aligned, and the both side edges are vertically sealed by means of a vertical direction heat welding means. The horizontal direction of the vertical direction heat-welding means is laterally sealed by the horizontal direction heat-welding means to sequentially seal the inside of the tubular packaging film in a bottomed state after filling the object to be packaged, and then the lateral direction of the packaging film. In a bag-making filling and packaging machine in which the heat-welding portion is cut by the cutting means, the lateral heat-welding means and the cutting means are assembled into a detachable unit, and the vertical-direction heat-welding means serves as the unit. And a vertical sealing direction of the vertical heat welding means, and a three-way seal unit composed of a lateral heat welding means for performing horizontal sealing in the same direction as the vertical sealing direction and a cutting means for cutting in the same direction. A bag-making filling and packaging machine, comprising: a back-sealing seal unit including a lateral heat-sealing means for laterally sealing in a predetermined direction and a cutting means for similarly cutting in a perpendicular direction. 2. The back sticking seal unit is mounted on and driven by a machine base of a bag making and filling and packaging machine so that the lateral heat welding means is adjusted in distance from the vertical heat welding means. Bag-filling and packaging machine described.