JP5443815B2 - Bag filling and packaging apparatus and method for attaching small bag - Google Patents

Description

The present invention relates to a bag filling and packaging apparatus for mounting a sachet in which a desiccant or the like is enclosed in a sachet containing an item to be packaged, and a method for mounting the sachet .

In the case of a bag making filling and packaging device, each of the sachets is subjected to a process of making and sealing the belt-like film around a package after the sachets are attached to the belt-like film before bag making at equal intervals. Is firmly fixed to each package.

On the other hand, in the case of a bag-packing and packing apparatus that fills a packaged product with a package that has been completed in advance, the work of attaching each small bag inside each package increases the number of work steps. Inefficient.

Therefore, in the following Patent Document 1, a small bag is put into an empty bag in one step. In step 2, the permanent magnet is brought close to the empty bag, and a magnetic bag containing iron oxide is adhered to the inner surface of one side of the empty bag. A technique is disclosed in which the empty bag is filled with an object to be packaged in step 3, and the sachet is fixed to the inner surface of the wrapping bag according to the bulkiness and gravity of the object to be packaged.

Further, in Patent Document 2 below, a partition is provided in a hopper for filling a packaged article, and a passage for passing a sachet and a path for passing a package are formed across the partition, and the sachet and the packaged article are formed. Is simultaneously fixed to the inner surface of the wrapping bag on the predetermined side with the bulk and weight of the packaged item.

Japanese Patent Laid-Open No. 62-158601 JP 2005-343490 A

However, none of these techniques has a problem that the sachet is mixed with food to be cooked away from the sachet when the sachet is not fixed to the sachet and the packaged food is food that needs cooking.

In view of the above-described problems, the present invention aims to attach a small bag to a sachet without going through an extra step, and sandwiches both side edges by a plurality of pairs of clamping claws. In the bag packing and packaging apparatus for transferring each wrapping bag suspended and sequentially filling the wrapping bag with the object to be packaged, and then welding the opening edge of each wrapping bag with the pressure of the heat seal bar, After setting a mounting section for mounting a sachet on the bag filling and packaging apparatus, holding a sachet supplying means for feeding the sachet into the mounting section, and a sachet fed by the sachet supplying means with a clamper, and then opening the packaging bag Means for inserting in a wedge shape into the V-shaped gap on the inside of the bag, and aligning the side edge of the pouch with the timing of inserting the side edge of the pouch into the V-shaped gap inside the opening edge of the bag, Relatively separate and tighten the opening edge of the bag It is allowed, provided with means for clamping the sachet between tense opening edge, the upper edge of the pouch pledged inside the opening of the packaging bag, with at clamping pressure by heating the sealing bar, integrally with the opening edge of the wrapper To weld.

The present invention carries a sachet held by a clamper into the opening portion of the sachet by the rotational movement of the clamper, and also uses the rotational energy to connect the side edge of the sachet to the V-shaped gap inside the opening portion of the sachet. It is characterized in that it is inserted in a wedge shape. In other words, if the rotation speed of the clamper is set to be higher than the transfer speed of the wrapping bag, the sachet can be attached to the wrapping bag so as to track the wrapping bag being transferred without stopping at the mounting section. It is highly efficient. Even if it is set to stop the wrapping bag in the mounting section, it is efficient because the sachet is inserted in a wedge shape inside the wrapping bag using the rotational movement of the clamper, and then the wrapping is performed with the pressure of the heating seal bar. A sachet can be attached to the bag.

In addition, when welding the opening edge of the wrapping bag with the clamping pressure of the heating seal bar, an operation of tensioning the opening edge by separating the pair of holding claws is required. The side edge and the upper edge of the sachet until the opening edge of the sachet is welded by the pressure of the heat seal bar by synchronizing with the operation of inserting the sachet in a wedge shape in the V-shaped gap inside the opening of the bag the two sides are sandwiched by the bandage, it is possible to reduce the falling frequency of the small bag.

According to the present invention, a sachet can be attached to a sachet without going through an extra step.

Front view of the device Plan view of a small bag supply means Top view of part of a wrapping bag Front view of the previous figure Partial view of a sachet according to different embodiment drawings Plan view of a clamping nail according to a different embodiment Front view of a packaging bag according to different embodiments Perspective view of a pouch according to different embodiments

FIG. 1 shows a part of a rotary type bag filling and packaging apparatus. In this apparatus, a plurality of pairs of clamping claws 11 that are a pair are supported by an endless chain or a disk, etc., and each pair of clamping claws 11 clamps both side edges of the wrapping bag 10 and suspends them. power of the disc along a respective wrapper 10 in the arrow direction of the columns conveyor track 12, which is one pitch not a one intermittent transfer constitutes. In addition, since this type of apparatus has widely known examples, detailed illustration of the entire structure is omitted.

In the above device, wrapper 10 which opens with a relative proximity of a pair of claw unit 11 reaches the first stop section A, the filling of the the wrapper 10. In the first stop section A to be packaged 13 After that, the wrapping bag 10 is transferred toward the mounting section B in the rear area. Tare 10 In those the section B is not always necessary to stop, but in this embodiment will be described assuming that the wrapper 10 in this section B stops.

In the upper area of the mounting section B, a transport guide 17 of a belt-like body 16 in which a large number of sachets 15 are continuous is disposed. A small bag supply means 18 is provided for feeding the sachets in the relationship of number 1.

In other words, strip 16 consisting of the sachet 15 which is supported by the reel 19 as shown in FIG. 2, with intermittent rotational power of the pair of conveying rollers 21, the number 1 of the pouch 15 against the number 1 of the wrapper 10 The relationship of carrying is established, and the pair of cutters 22 is a system that cuts and separates one sachet 15 from the strip 16 in accordance with the transfer pitch of the sachets 15.

The clamper 20 supported by the shaft 23 in the mounting section B of FIG. 1 sandwiches the sachet 15 separated from the belt-like body 16 in time with the cutting operation of the sachet 15, and is small with the rotational power of the shaft 23. The bag 15 is carried along the arrow 24 into the bag 10. In the drawing, the shaft 23 rotates in the clockwise direction, and the sachet 15 is carried from the outside to the inside of the wrapping bag 10 in the transfer direction of the wrapping bag 10.

The illustrated wrapping bag 10 is a three-sided sealing bag in which the bottom edge 25 and both side edges 26 of each of two overlapped films are sealed with a predetermined width, and formed by overlapping two films as shown in FIG. A narrowed V-shaped gap 28 is formed inside one side of the wrapped bag 10 . In short, the side edge of the pouch 15 is inserted into the gap 28 in a wedge shape and supported. Then toward the transport direction of the packaging bag 10 in FIG. 1, the tare 10 to the second stop section of the band (not shown) after mounting section B is reached, the upper opening edge 27 of the tare 10 as in FIG. 4 is a pair It is welded 30 with the clamping pressure and heat by the seal bar. In this case, the result of welding integrally nipped with the above seal bar upper edge 31 of the pouch 15, you loading of small bags is completed for wrappers.

The pouch 15A shown in phantom in FIG. 1, and carried into the wrapper 10 and that insert the wedge, lightweight pouch 15A by friction wedge that enters the V-shaped gap 28 of the packaging bag 10, sufficient , Supported by the package 10. However, there is a possibility that the sachet 15A may fall off due to an impact when the clamper 20 is pulled out from the inside of the sachet 10. Therefore, the sachet 15 is held from the outside of the sachet 10 by the auxiliary clamp 32 in the mounting section B as shown in FIG. Then, this state is maintained up to the second stop section , or alternatively, the work of carrying the sachet 15 into the sachet 10 is synchronized with the work of separating the pair of clamping claws 11 and the sachet 15 is pulled by the tension of the sachet opening edge. There is a choice such as to support.

In FIG. 2, a forward / reverse motor 33 for operating the shaft 23 is supported by a base 34. The shaft 23 in FIG. 1 supported by the base 34 is controlled to be displaced in the directions of left and right 35, 36 and in the directions of up and down 37, 38, respectively. The movement adjustment of the shaft 23 to the left and right 35, 36 is mainly an adjustment when the lateral width of the bag 10 is changed. However, in the case where the small bag 15 is loaded into the moving package 10 without being stopped in the loading section B, the shaft 23 is moved in the left-hand direction 35 in accordance with the movement of the package 10. . On the other hand, the adjustment of the shaft 23 to the upper and lower sides 37 and 38 is for changing the width of the weld 30 with respect to the bag opening edge in FIG.

In FIG. 1, the clamper 20 rotates clockwise to carry the sachet 15 into the left hand of the wrapping bag 10, but in contrast to this, the clamper 20 is rotated counterclockwise and placed inside the right hand of the wrapping bag 10. It is also possible to carry in the pouch 15. In this case, in order to avoid the impact of the sachet 10 and the sachet 15, the shaft 23 is displaced in the left direction 35 and the impact is adjusted.

Figure 5 is a partial view of a flat bag 40 formed by plastisol Kkuchubu, flat bag 40 of this type compared to the wrapper 10 in FIG. 1 has no constriction by sealing inside both side edges, also compare Since a thin film is used, a V-shaped gap that supports the pouch 15 is difficult to form. For this reason, there exists a tendency for the wedge effect of the pouch 15 to be hard to be exhibited. Therefore, as shown in FIG. 6, the gap between the opposing corners 43 of the fixed claw material 41 on one side forming the clamping claw 11 and the movable claw material 42 on the other side is cut into a V shape, and this facing is achieved via the flat bag 40. By inserting the pouch 15 in a wedge shape between the corners 43, the pouch 15 can be supported in the flat bag 40.

The packaging material forming the sachet 15 shown in FIG. 4 is fused with the sealing portion of the sachet 10 heated and melted by a seal bar by using, for example, a vinyl chloride-based material that is easily melted at a relatively low temperature. Easy to adhere. However, if the forming material of the pouch 15 is to use a flame fusible, as (1) in FIG. 7, previously formed a small hole 45 in advance in the upper edge of the small bag 15, through the small holes 45, by melting the adhesive coated on the upper opening edge 27 of the packaging bag 10, it is possible to attach the small bag 15 to wrapper. Alternatively, as shown in (2) in FIG. 7, previously formed notch 46 on both side edges of the small bag 15, by sealing the upper opening edge 27 of the wrapper 10 through the notch 46, wrapper it is possible to attach the small bag 15 to 10. The perforation 50 formed in the upper part of the sachet 10 is a means by which the upper part of the sachet 15 can be opened while the sachet 15 is attached to the upper member of the sachet 10 by tearing this part.

Alternatively, one side film 48 of the sachet 15 formed by folding in half as shown in FIG. 8 is protruded above the other side film, and the adhesive coating surface 47 of the protruding film 48 is left bare. , and the surface and a sealing surface of the wrapper 10 by welding together, a small bag 15 inside of the packaging bag 10 can be loaded.

10 ‥‥ wrapper 11 ‥‥ Kyojitsume 12 ‥‥ tandem conveyor track 15 ‥‥ small bag 18 ‥‥ small bag supply means 20 ‥‥ clamper 23 ‥‥ shaft 27 ‥‥ upper opening edge 28 ‥‥ V-shaped gap 30 ... Welding 31 ... Upper edge of small bag 40 ... Flat bag

Claims (7)

A plurality of pairs of clamping claws, each pair of which forms a pair, transports each wrapping bag sandwiched and suspended from both side edges, sequentially fills the package, and then heats the opening edge of each wrapping bag A sachet mounting method for a bagging and packaging device that is welded with a seal bar,
The pouch mounting method, the side edges of the pouch which clamper disposed in the opening edge upper area of the wrapper to support, in accordance with the timing Ru pledged in a wedge shape in the interior of the V-shaped gap between the opening of the wrapper, the pair Tensioning the opening edge of the bag with the relative separation of the holding claws, holding the bag between the opening edges of the bag, and welding the bag opening edge of the heat seal bar to weld the bag to the opening edge of the bag A small bag mounting method of the bag filling and packaging apparatus. The small bag or the notch is formed in the seal part of the pouch, and the pouch is prevented from being detached from the seal part of the pouch by melting the adhesive coated on the upper opening edge of the pouch . How to install a small bag in a bagging and packaging device. The film on one side of the pouch is protruded above the film on the other side, the coating surface of the adhesive provided in the protruding film is left bare, and the coating surface and the sealing surface of the packaging bag are welded together. A method for attaching a sachet of the bagging and packaging apparatus according to claim 1. The upper part of the wrapping bag can be opened while the sachet is attached to the upper member of the wrapping bag by forming a perforation on the upper part of the wrapping bag and tearing the perforation. Method for attaching small bags in a bag packing and packaging machine. After each wrapping bag is hung by sandwiching both side edges by a plurality of pairs of clamping claws, each of which is a pair, and each wrapping bag is sequentially filled with an article to be packaged, In the bagging and packaging apparatus in which the opening edge is welded with the clamping pressure of the heat seal bar,
After setting a mounting section for mounting a sachet on the bag filling and packaging apparatus, holding a sachet supplying means for feeding the sachet into the mounting section, and a sachet fed by the sachet supplying means with a clamper, and then opening the packaging bag Means for inserting in a V-shaped gap inside the section in a wedge shape,
In accordance with the timing of inserting the side edge of the pouch into the V-shaped gap inside the opening edge of the sachet, the pair of holding claws are separated from each other to tension the sachet opening edge, and between the tensioned opening edges Comprising means for sandwiching the pouch,
A bag-packing and packaging apparatus that integrally welds the upper edge of a small bag inserted inside the opening portion of the wrapping bag to the opening rim of the wrapping bag by holding pressure with a heat seal bar . 6. An auxiliary clamp that clamps the sachet and the sachet from the outside of the sachet in accordance with the timing of inserting the side edge of the sachet into a V-shaped gap inside the opening edge of the sachet in a wedge shape. The bag-packing and packaging apparatus described in 1 . 6. The bagging and packaging apparatus according to claim 5, wherein a space between the opposing corners of the holding claws is cut into a V shape, and a small bag is inserted in a wedge shape between the opposing corners cut into the V shape via a wrapping bag.