JPS58171309A - Vertical type automatic bag making packing - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The product manufactured by this method is a self-supporting filling and packaging bag.

The purpose of the present invention is to prevent oxidation of the liquid content by applying a submerged seal during the process of vertically flowing bag making, filling and packaging, thereby facilitating mass production of self-supporting filling and packaging bags of good quality. There is something to do.

Conventionally, for this type of self-supporting reduced-fill packaging bag product,
Because the manufacturing process involved horizontal flow, the liquid content often came into contact with air during filling and packaging.
In addition, as I cannot help but mention, the deterioration in quality due to oxidation was inevitable.◎ The present invention was created to improve the drawbacks caused by such a horizontally flowing manufacturing process.O That is, the present invention This method involves feeding a belt-shaped main body sheet in the longitudinal direction, folding it in half, making the fold a gusset fold, and folding the bottom of the gusset fold into a
The bottom and sides are heat-sealed and set in a unit length in one bag, and the top side corresponding to the gusset folded bottom in this unit bag is heat-sealed.

Next, the top side is sealed and the content liquid is introduced and filled from the unsealed part of the top seal into the nine unit body, and in this state, a submerged seal is applied in the transverse direction, and the center of the sealed part in the transverse direction is filled. This process involves cutting in the vertical direction.

Since the belt-shaped main body sheet is fed intermittently during the above process, the bottom seal, side seal, top seal of the gusset cut part, filling of the liquid content, transverse submerged sealing, cutting from this part, etc. Of course, this must be done in a timely manner.

In the following, one embodiment of a rounding apparatus for carrying out the method of the present invention will be described.

The film or sheet (hereinafter referred to as a sheet) used as a material for the filling packaging bag manufactured by the method of the present invention is such that the outer surface of the bag is made of paper, metal foil, polyester, or nylon, which is not heat-weldable. The material layer, which is to become the inner surface of the bag, is a synthetic resin layer with good thermal weldability, such as polyethylene, and these are laminated, and if necessary, other layers may be added in between. may be intervened.

As shown in FIG.
) is a mounting body sea) (8t long strip, its center part is the bottom plate (2), and its uniformity is the fuselage wall (3), (3
’), the bottom plate (2) and the fuselage wall (3
) and (3') are heat-sealed (4) to prevent the bottom plate (2) from coming into contact with the mounting surface. The eyebrow body walls (a) and ta) are heat-toned (5) and (6) at one edge and the top edge of each other, and there is a liquid inside (5) and (6).
b) is filled. When viewed from the front, it has a plucked shape, and when viewed from the side, it has a spindle shape.

To explain the apparatus for carrying out the process of manufacturing a filled package as described above, the main body sheet (8) is moved from the winding roller (7) to various guide rollers 18), tension roller (9) and feeding roller. The bag is sent out intermittently through OI, and a filled packaging bag (a) as a product is produced through a series of vertical bag making, filling, packaging, and cutting processes.

1ift of bag making, filling, packaging, and cutting is done by the packaging body.)
The part (4) where (S) is folded into the gusset, the gusset,
The part that seals the fold (B), the part that introduces and fills the liquid content (1,) (C), and the part that seals the top CD)
It is composed of a part that performs a submerged seal in the transverse direction (a part that performs cutting, and a part CF that performs cutting).

(A) Part for gusset folding In this part, the main body sheet (8) that is intermittently sent out from the final guide 4-ra 18) is folded in half, and this folded part is further gusset folded, i.e. This is the part that is folded into a W-shaped cross section.

In order to fold the sheet (s) in half from the center in the direction in which the sheet (a) is fed out, a triangular folding plate aυ is held at a certain angle so that its apex (13) is folded in half from the central part. ).Following this folding plate αD, a two-fold sheet (8)
A gusset folding device for forming gusset folds is provided at the folding portion of the gusset. This device 03 includes chevron-shaped guide plates nlJ, nJ that guide (I:) between the half-folded portions of a sheet (8) folded in two, and the chevron-shaped guide plates a4, a4.
It consists of a folding plate (1!1) between the two.The chevron-shaped guide plate (to), and the 0 island are mutually connected to their chevron-shaped portions nI and a.
4 facing each other, the central part is wide open, and a folding plate tt5 with the inclined guide edge αη inside is installed between the two.

(B) Part for sealing the gusset folded part This part is where the gusseted body sheet (a) is heat-sealed and set. g
) along the gusset folds, heat seal the folds by a unit length of the width of one packaging body (]). ), in order to heat-seal the sides of the gusset folded portion at both ends of the unit length heat-sealed portion of the gusseted folded sheet (s) in the second sealing device section (7). A key-shaped heating plate, Cth, having the same length as the heating plate Q1% is provided on both sides of the sheet (s) of the gusset fold.

(C) Introducing and filling part of the liquid content This part is where the contents are placed inside the top-sealed unit body (1), which will be explained next. At the ninth point when (b) is introduced and filled, a former (2) serving as a guide and a nozzle for introducing the liquid content are inserted into the inside from the unsealed part on the top side. The tip of the introduction nozzle is
The unit body (1) to be filled has reached the middle.

φ) Part for top sealing This part is the part (B) for sealing the gusset folding part, where the first sealing device part +2G
At the point where the top side opposite to the bottom of the sealed unit body (1) is sealed, this seal is gusset-folded and folded in half. and a heating plate 12a for sealing;
74 and a cooling plate that cools this heat-sealed area from both sides.

(The part where the submerged seal is made in the transverse direction. This part is the part where the upper edge of the unit body 1 filled with the content liquid (b) is heat-sealed at the part (0) where the content liquid is introduced. In the method of the present invention, the process is made to flow in the vertical direction, so-called vertical type, and is an important component of 79 points.

As shown in Figure 1, the sealing device in this part (Fl) is filled to fill the container body (1) with a fixed amount of liquid (B), and the sealing device in this part (Fl) is used to seal the container body (1) on both sides (Fig. 3). It consists of a suppression plate that presses from the direction perpendicular to the paper surface to push the excess amount upwards, and a sealing device located above this that presses from both sides to seal in the liquid. There is. This sealing device (2) consists of upper and lower pressure plates (to), 2;
, d; It is a diagram of a heating plate that is heated by pressing from the positive side. A groove c33 is provided, and when the pinching surfaces rA1) coincide with each other, a vertical row of through holes is formed.

(IP) Cutting part This part cuts the package (1) filled and sealed with the liquid content Cb) in the final process at the center of the sealed part in the transverse direction of the upper rudder. It consists of a movable blade (b) in contrast to the three.

In addition, in this series of devices, four sets of presser rollers are used to ensure stable feeding of the gusset-folded packaging body (s). 19 and two sets of sea F presser guides (7) are provided.

Next, to explain the manufacturing process of the filled package (IL) as a product, the main body sheet (,) wound around the winding roller (7) is moved to the guide roller (8) by the feeding roller 1G.
, after passing through Tenshi Enroller (9), it was brought out intermittently,
It is fed into a series of vertical bag-forming, filling, and packaging devices.

This fed main body sheet (-) is folded into two at the apex (1'1 part) of the triangular folding plate (11) in the partial body for gusset folding.
The gusset is folded by a gusset folding device I comprising three mountain-shaped guide plates I%a and a folding plate a$ disposed therebetween. In other words, the triangular folding plate (11)
The folded sheet (s) is the half-folded sheet (s) (g
'), ni) are respectively chevron-shaped guide plates aa and a! At the same time, it is pushed outward and folded inward at the folding plate (guide edge Q? at 15) between them, resulting in a gusset fold with a W-shape on the - side.

The gusset-folded main body sheet (s) is sent to the part φ) that seals the next gusset fold in order to set this gusset fold.Here, the heatable plate cap of the first sealing part α , u6, press both sides of the sheet (-) to heat seal the bottom of the gusset folding part by the length of the width of the unit packaging body (1). 21) At step ah, side seal both ends of the bottom seal part by the depth of the gusset fold.

In this way, when the gusset fold part of the gusset folded sheet (-) is heat-sealed, the top part corresponding to the bottom seal part of the unit packaging body (1) is placed at the next top seal part. half-fold sea) (s'l, (
Heat-seal s+5 with a heating plate [with] -, and
Cool this area using the next cooling plate.

Next, in the transverse submerged seal portion (9).

Transverse sealing is performed, but when the packaging body seam (s) from the winding roll (7) is the first bag making.

If the content liquid (b) has not yet been introduced, it will not form a submerged seal.

After this first seal, the part where the liquid is introduced and filled (D
)'s Pho! - Guided by (2), the nine nozzles (four to four liquid contents) are introduced and injected until the unit body (1) is filled. Here, as shown in Figure 1,
Submerged sealing is carried out in the transverse direction by the sealing device. First, the bag body (1) filled with the liquid content (1,) is pressed from both sides with pressing plates, -. , determine the quantitative amount of the liquid content in the packaging body (1).

At this time, the excess liquid content is pushed upward. Then, the pressure plates (2) above and below the sealing part ff1 (goods),
Chewing: Narrow the tube and tub from both sides, and drain the excess liquid (b).
) is squeezed upward. At this time, the clamping surface GD of the clamping plate
Since the groove C33 is provided in the vertical direction, the last surplus liquid escapes upward through the groove G3, and the main body (1) is pinched by the pressure plate t'@sA: sQ4. Ru. Next, the heating plate (to) and the sleeve slide to heat-seal, but the tiny amount of liquid remaining on this heating surface is also removed by the clamping pressure plate @, i; (i) %- It escapes vertically through the grooves of the pinching pressure WicIη, and is heat-sealed.

When the heat sealing in this liquid is completed, the fixed blade (to) and the movable blade cJ are sent downward -ζ at the cutting part (6).
4, and a filled package (1) as a product is completed.

In the method of the present invention, as explained above, bag making, filling, and packaging are carried out continuously through a series of vertically flowing steps.
Since it is a submerged seal and there is no contact between the liquid content and air, there is no air trapped in the product together with the liquid content, thus preventing oxidation or contamination by bacteria. There is little risk of contamination due to Iζ, and good quality can be maintained.

Moreover, by performing the manufacturing process in the vertical direction, such liquid-filled packages can be easily mass-produced as self-supporting products.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a packaged product manufactured by the method of the present invention, Fig. 2 is a sectional view of the same as above, Fig. 3 is an explanatory drawing of the ninth apparatus for implementing the method of the present invention, and Fig. 4 The figure is a perspective view of the gazette folding part that can be placed on the same as above, Figure 6 is a partially enlarged perspective view of the same as above, Figure 6 (6), (b), and f) are broom 3 figure + csp kel
, -11,X, -X,,! , -X, FIG. 1 is a cross-sectional view of the submerged seal portion and the cut portion in the transverse direction, and FIG. 8 is a perspective view of the submerged seal device. Code A... Part B for gusset folding...
・Sealing part C of the gazette fold section・・・・・・・
・・Part D for introduction and filling of the liquid content・・・・Part for top sealing・・・・Part for transverse submerged seal ν・・・・・・・・... Cutting part a ...... Filled package 1 ... Contents liquid 8 ... Packing body sheet (1) ... ...Mounting body I...Triangular folding plate (14), i...Chevron-shaped guide plate......Folding plate... ...... 1st seal section work... 2nd seal section (sha)... Former (to)...・Nozzle head, -... Suppression plate, 4; Wind, Kusunoki... Pressure plate (to), (to)... Heating plate Figure 4 Figure 6 (A) (B)

Claims (1)

[Claims] A process of folding the band-shaped packaging body sheet sent in the longitudinal direction in half to form a gusset folded bottom, a process of heat sealing and setting the gusset folded bottom into a unit length in one bag, and a process of setting this gusset folded bottom into a unit length in one bag; The process of heat-sealing the top side opposite to the folded part of the gazette set to the length, the process of introducing the liquid content from the unsealed part of the top side into the top-sealed and molded nine-pack body, and the contents. A vertical automatic bag making, filling and packaging method comprising the steps of: sealing a nine-pack main body with a liquid receiving groove in the liquid in a direction transverse to the folded bottom of the gusset, and cutting from this sealed portion.