JPH0840405A - Vertical type bag making, filling and packaging device - Google Patents

Abstract

PURPOSE:To timely, automatically and continuously enclose an object to be packaged and a small bag by providing a small bag guide tube separately from an auger tube to put the object and the small bag into an equal packing bag independently from each other. CONSTITUTION:Packaging bags 18 are continuously constituted of a wrapping film guided by a film guide tube 62, and a small bag 12 and an object to be packed are simultaneously put into an individual packing bag 18. The small-bag 12 is cut into an individual small bag 12 from a small-bag belt 24 connected in one direction and supplied through a small bag guide tube 74 to the packing bag 18. Capacity of the object is measured by a screw rotating in an auger tube 42 connected to a lower end of a hopper 46 by an auger-type filling apparatus 16 to be filled into the packing bag 18 by a predetermined amount. The small bag guide tube 74 is placed between the auger tube 42 and the film guide tube 62, thereby smoothly putting the small bag 12 into the packing bag 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical bag-making filling and packaging apparatus, and more particularly to a vertical bag-making filling and packaging apparatus for simultaneously inserting a small bag separate from an article to be packaged into the packaging bag.

More specifically, the present invention relates to a sachet containing a freshness-retaining agent typified by an oxygen scavenger or a desiccant, and an article in need thereof, such as confectionery, coffee, grain flour,
The present invention relates to a vertical bag-making and filling apparatus for simultaneously packaging beans, rice, powder such as corn flakes, and the like.

[0003]

2. Description of the Related Art Conventionally, as a device for packaging the above-mentioned powdery particles or the like, there are various types of packaging devices such as a pillow type, a cup sealer type and a deep drawing automatic vacuum type. These packaging devices use a barrier film for packaging to form a packaging bag for foods, and the above-mentioned pouches are continuously enclosed in the packaging bag.

A vertical bag-making and filling apparatus for vertically inserting foods into a packaging bag has been known. Such a device is widely used due to advantages such as a small installation area, and in particular, an auger-type filling device is widely used as a filling method. This auger type filling device installs an auger tube containing a screw in the upper direction of the packaging bag, and every time the screw is rotated, a certain amount of the packaged object such as powder or granules supplied from above the auger tube is set. , Is configured to be placed in the packaging bag. In the vertical bag-making filling apparatus represented by this auger-type filling apparatus, it has been desired to enclose the above-mentioned pouch.

[0005]

However, in the auger type filling device, when a small bag is supplied according to the object to be packaged and both are automatically enclosed in the packaging bag, the small bag is fed by the screw in the auger tube. There is a problem that it is rubbed and damaged. Therefore, conventionally
In an auger type filling device, it has not been performed to enclose a pouch with foods.

If a pouch is introduced between the auger tube and the guide tube of the packaging film for forming the packaging bag, such a pouch can be prevented from being damaged. There is a gas replacement tube that supplies gas into the bag, an attached piece, etc., and the repeated dusting and filling operations of food items in these gaps cause scattered dust to form a scale. Attached to the surface of the auger tube and the film guide tube.

[0007] Therefore, if a pouch is inserted between the auger tube and the packaging film guide tube, the introduction of the pouch is hindered, delay of the introduction and retention of the pouch occur, and the packaging film is made into a bag or powder or granules are removed. The filling timing and the pouch loading timing do not match. Therefore, there is a problem that the pouches cannot be continuously and automatically enclosed.

Therefore, the present invention has been made to solve the above problems, and in a vertical bag-making filling and packaging apparatus, an object to be packaged and the pouch can be automatically and continuously enclosed. An object of the present invention is to provide a packaging device that can be used. A second object of the present invention is to provide a packaging device capable of enclosing both of them in a packaging bag in a timely manner and continuously and automatically inserting the pouches.

[0009]

In order to achieve the above object, the present invention continuously forms a packaging bag from a packaging film guided by a film guide tube, and a pouch and powder are contained in each packaging bag. A vertical pillow-seal bag-making packaging mechanism configured to fill a packaged article with a packaged object that is a granular body, and the packaging bag obtained by cutting the sachet band body in which the sachets are connected in one direction into individual sachets. A small bag supply mechanism that supplies up to the packaging bag and a volume of the object to be packaged in the auger tube that guides the object to be packaged into the packaging bag, while supplying a predetermined amount of the object to be packaged to the packaging bag. A vertical bag-making filling and packaging device having an auger tube arranged in the film guide tube, wherein the sachet feeding mechanism introduces the sachet into the packaging bag. Comprising a chromatography Bed, in which the pouch guide tube is arranged between the film guide tube and the auger tube.

It is preferable that the pouch guide tube is formed to have a flat cross-sectional shape, and the pouch feeding mechanism guides the pouch to the pouch guide tube and a transfer of the pouch on the guide chute. It is preferable to provide a standby mechanism for standing by, and the standby mechanism preferably operates in response to a synchronization signal for filling an object to be packaged in the packaging bag. Moreover, it is preferable that the sachet is a freshness retaining agent bag.

[0011]

As described above, according to the present invention, since the pouch guide tube is provided separately from the auger tube, the object to be packaged and the pouch are placed in the same packaging bag while being independent of each other. . Therefore, during the induction to the packaging bag
It is smoothly put into the packaging bag without contacting obstacles such as gas replacement tubes.

Further, by forming the pouch guide tube in a flat cross section, the pouch guide tube can be provided in a slight gap between the film guide tube and the auger tube.

Furthermore, by synchronizing the loading of the small bag with the filling operation of the object to be packaged and the sealing operation of the packaging film, the small bag and the object to be packaged can be reliably enclosed in the packaging bag. Furthermore, by making the small bag a freshness-retaining agent bag containing an oxygen absorbent, a desiccant, or the like, the freshness of the food enclosed in the packaging bag can be maintained even with a vertical auger tube filling device.

[0014]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a schematic diagram of a vertical bag-making filling and packaging apparatus 10 according to an embodiment of the present invention. This vertical bag-making filling and packaging device 1
0 is a freshness-retaining agent bag supply device 14 that mainly supplies, for example, a small bag (hereinafter referred to as "freshness-retaining agent bag") 12 containing an oxygen absorber, and a packaged object such as food (hereinafter, simply "packaged object"). ")) And a packaging bag formed from a packaging film, and the freshness-preserving agent bag 12 supplied from the freshness-preserving agent bag supplying device 14 and the auger-type filling device 16 in the bag. A bag making / filling device 20 for filling a packaged product such as the supplied powder or granules to form a packaged product.
And.

In FIG. 1, reference numeral 24 is a bag band containing a freshness-keeping agent (hereinafter referred to as "freshness-keeping agent bag-band").
As shown in FIGS. 2 and 3, the freshness-preserving agent bag strip 24 is formed by connecting the individual freshness-preserving agent bags 12 in one direction in a strip shape via the heat-sealing portion 26.

The freshness-preserving agent bag supply device 14 includes a detector 32 for detecting the filling portion 25 of each freshness-preserving agent bag of the freshness-preserving agent bag 24, and a heat seal indirectly detected by the detector 32. A cutter mechanism 34 for cutting the portion 26, and a feed roller 30 for supplying the freshness-preserving agent bag strip 24 from a supply source of the freshness-preserving agent bag strip 24 (not shown) to the detector 32 and the cutter mechanism 34 via the guide roller 28. And a guide chute 36 for guiding the individual freshness-keeping agent bags 12 cut by the cutter mechanism 34 to a predetermined position by its own weight, and the freshness-keeping agent bags 12 supplied from the guide chute 36 are guided to the packaging bag 18. And a pouch guide tube 74.

The detector 32 is installed upstream of the feed roller 30, and the cutter mechanism 34 is installed downstream of the feed roller 30. Further, in the cutter mechanism 34, when the heat seal part 26 is detected by the detector 32 and the feeding of the freshness-keeping agent bag strip 24 is stopped, one of the heat seal parts 26 is attached to the cutter mechanism 34 as described later. It is installed to be located.

The guide chute 36 is a cutter mechanism 34.
It is installed on the downstream side of. Examples of the cross-sectional shape of the guide chute 36 include a U-shaped upper surface open shape, a square shape, and an oval shape. The guide chute 36 preferably has an angle of 30 to 60 degrees, more preferably 40 to 45 degrees with respect to the installation surface. It has a slope. In the vicinity of the end of the guide chute 36, a standby mechanism 3 for temporarily holding the freshness preservation agent bag 12
8 are installed. The standby mechanism 38 includes a shutter mechanism 39 that opens and closes the passage of the guide chute 36, and a drive mechanism that rotates (swings) the shutter mechanism 39. In addition, the shutter mechanism 39
Is normally configured to open the passage only when it receives a synchronization signal, which will be described later, with the passage closed.

The starting end of the pouch guide tube 74, that is, the side of the guide chute 36 is formed in a so-called trumpet shape, which is slightly wider than the width of the freshness-retaining agent in the width direction as shown in FIG. 1 (see FIG. 5). ) With such a configuration, the freshness preserving agent bag 12 can be reliably put into the pouch guiding tube 74 without being stagnated on the starting end side of the pouch guiding tube 74. The cross-sectional shape of the pouch guide tube 74 is, for example, an oval shape, an elliptical shape, or a rectangular shape, and the cross-sectional dimension thereof is slightly larger than the lateral width of the width direction cross section of the freshness preservation agent bag 12. In addition, it has a short internal method slightly larger than the thickness. As described above, the cross-sectional shape of the sachet guiding tube 74 in the width direction is set to be the cross-sectional shape in the width direction of the freshness preserving agent 12, and the width is approximated to the width, whereby the guiding posture of the freshness preserving agent bag can be kept constant. . In addition, the pouch guide tube 74
Since the cross-sectional shape in the width direction is formed into a flat shape (width-direction cross-sectional shape), it can be inserted even in a slight gap.

As shown in FIG. 4, the auger type filling device 16 includes a hopper 46 for storing the objects to be packaged, an auger tube 42 connected to the lower end of the hopper and vertically installed, a hopper and an auger tube. The screw shaft 44 is provided so as to penetrate therethrough, and the rotating mechanism 51 for rotating the screw shaft 44 is provided at the upper end of the hopper.

The rotating mechanism 51 includes an electric motor 50,
A gear mechanism 50A for transmitting the rotation of the motor to the screw shaft 44.

When the screw shaft 44 rotates, a certain amount of the object to be packed is weighed and sent along the screw shaft,
As shown in FIG. 1, the packaging bag 18 at the lower end of the auger tube
It is configured to be thrown in.

The hopper 46 is appropriately replenished with a packaged object by an unillustrated replenishing mechanism for the packaged object. In addition, the hopper is formed in a taper shape toward the lower end of the hopper, which facilitates the loading of the object to be packaged toward the auger tube.

The packaging bag 18 is made based on a packaging film 54 formed in a band shape as shown in FIG. The packaging film 54 is made of, for example, a plastic film. As shown in FIGS. 1 and 5, the bag making / filling device 20 has a drum 56 in which a packaging film 54 is wound in a plurality of layers, and a packaging film 54 unwound from the drum 56 is formed into a cylindrical shape via a former 64 described later. A film guide tube 62 that guides the wrapping film while folding it, a feed belt 60 that moves the wrapping film 54 from the drum 56 through the guide roller 58 along the film guide tube 62, and thus toward the sealing mechanism of the wrapping film 54, A center sealer 72 for heat-sealing the film 54 in the longitudinal direction and an end sealer 76 for heat-sealing the packaging film 54 in the width direction are provided.

On the outside of the film guide tube 62,
A pair of the feed belts 60 are installed so as to come into contact with the feed belts 60. As shown in FIGS.
It is sent to slide on the outer peripheral surface of No. 2. Further, the center sealer 72 is installed along the longitudinal direction of the film guide tube 62. Further, in the vicinity of the upper end of the film guide tube 62, as shown in FIG. 5, a sailor-shaped (sail-shaped) former 6 which is notched along a line in the longitudinal direction and spreads toward the drum 56.
4 are installed. While guiding the unwound film 54 by the former 64, by moving the wrapping film 54 on the outer surfaces of the former 64 and the film guide tube 62 (see FIG. 6), the strip-shaped wrapping film 54 is smoothly formed. The packaging film can be formed into a cylindrical shape while being guided to the outer surface of the guide tube 62. The overlapping portion of the cylindrical packaging film 54 extends in the longitudinal direction and is continuously sealed in the longitudinal direction by the center sealer 72.

As shown in FIG. 6, the auger tube 42 is installed through the film guide tube 62, and the pouch guide tube 74 is installed between the auger tube 42 and the film guide tube 62. Has been done. Further, as shown in FIG. 1, the tip (lower end) of the pouch guiding tube 74 is provided so as to slightly extend from the lower end of the auger tube 42. With such a configuration, the freshness preserving agent bag 12 falls in the pouch guide tube 74 due to its own weight, and the packaged object is the auger tube 4
The inside of 2 is moved by a screw and both are put in a packaging bag. In particular, since the sachet guide tube 74 extends from the auger tube 42 to the vicinity of the end sealer 76, the freshness preserving agent bag 12 is put into the packaging bag 18 without contacting the object to be packaged. As a result, the freshness preserving agent bag 12 can be reliably placed in the packaging bag 18.

Further, in FIG. 6, reference numeral 77 is a replacement gas introducing tube for replacing the inside of the packaging bag with air or a gas such as nitrogen gas, which gas is sent into the packaging bag when the packaging bag is manufactured. Expand the space inside the packaging bag by inserting or replace with nitrogen gas.

As shown in FIG. 1, the end sealer 76.
Is installed in the lower direction of the film guide tube 62.
4 is sealed in the width direction (before and after the packaging bag 18). That is, as shown in FIG. 5, the end sealer 76 has an arrow B
It is possible to move back and forth in the direction of, and by this forward and backward movement, the packaging film 54 is sealed in the width direction at regular intervals. Further, the end sealer 76 is movable in the feeding direction (arrow X) of the packaging film 54, moves downward by one bag while heat-sealing, and cuts the heat-sealed portion central portion with a built-in cutter, and then, With this heat seal opened, it returns to its original position (upward).

Next, the operation of this embodiment will be described. When the main switch of the vertical bag-making filling and packaging apparatus 10 is turned on, the feed roller 30 (see FIG. 1) is operated, and the freshness-preserving agent bag strip 24 is conveyed in the freshness-preserving agent bag supply apparatus 14. Next, the freshness-keeping agent bag strip 24 is detected by the detector 32.
The position of the heat-sealing portion 26 is indirectly detected, and the movement of the freshness-retaining agent bag strip 24 is stopped. At this time, the cutter mechanism 34 operates and the freshness-preserving agent bag 24 is cut into individual freshness-preserving agent bags 12. The individual freshness-retaining agent bags 12 that have been cut down slide down on the guide chute 36, and the standby mechanism 38
Stop at the position.

On the other hand, the operation of the feed belt 60 causes the packaging film 54 to move along the film guide tube 62. When the packaging film 54 moves by the length of the packaging bag 18 in the longitudinal direction, the feed belt 60 stops. Next, as shown in FIG. 6, the center sealer 72
The sealing surface of the packaging film 54 in the longitudinal direction is sealed by. Next, the packaging film 54 is sealed in the width direction by the end sealer 76. The arrow D indicates the moving direction of the center sealer that seals the packaging film 54.

Next, when the rotating shaft of the motor 50 rotates, the screw 44 makes one rotation or a predetermined rotation, and a certain amount of the object to be packaged is put into the packaging bag through the auger tube 42. On the other hand, when the shutter mechanism 39 of the standby mechanism 38 is opened, the freshness retaining agent bag 12
Is introduced into the pouch guide tube 74 from the guide chute 36, and the freshness-retaining agent bag 12 introduced into the pouch guide tube 74 falls in the pouch guide tube 74 due to its own weight, and the tip portion is sealed in the width direction. It is put in the packaging bag 18. At this time, since the pouch guide tube 74 is longer than the auger tube 42 in the downward direction and is formed separately, the freshness preserving agent bag 12 smoothly reaches the packaging bag 18 without contacting the article to be packaged. Be induced.

Next, the packaging film 54 formed into a cylindrical shape again by the feed belt 60 is fed by one packaging bag, and the upper end of the packaging bag 18 is sealed by the end sealer 76. After that, the end sealer 76 descends by one bag and is cut into individual packaging bags 18 at the seal portion at the rear end by the cutter.

As a result, as shown in FIG. 7, it is possible to continuously obtain a package in which the powder particles (the object to be packaged) 92 are enclosed together with the small bag in the packaging bag 18. Note that reference numeral 100
Is a front and rear end seal portion corresponding to the end seal portion 26, and reference numeral 102 is a center seal portion.

The above operation will be further outlined with reference to the timing chart of FIG. The cutter mechanism 34, the rotating shaft 44, the standby shutter mechanism 38, the feed roller 60, and the end sealer 76 are adapted to operate in response to the synchronization signal shown in (a).

The synchronization signal is output at predetermined intervals (t) (FIG. 8 (a)). (B) to (e) show the operation timing of the cutter mechanism and the like.

When the synchronizing signal is output, as shown in (b), a pair of end sealers 76 approach each other in the direction B of FIG. 5 and sandwich the film at the center, and the end portions of the film are pressure-bonded by heat sealing. To do. After that, the end sealer 7
6 descends along the x direction to the position indicated by the alternate long and short dash line (for one bag) shown in FIG.

Next, at the same time as cutting the packaging bags into which the objects and small bags at the tip are loaded one by one ((d)), the objects to be packaged and the small bags are added to the adjacent packaging bags. After this, the end sealer is separated in the B direction and further raised by one bag.

Further, as shown in (c), the feed roller is operated to feed the packaging film by the amount of a person's bag.

Next, as shown in FIG.
2 turns on after a fixed time from the output of the synchronization signal, swings counterclockwise, and opens the passage of the guide 36. At this time, the pouch 12 drops in the pouch guide tube 74 and is put into the end-sealed packaging bag.

Next, the rotary shaft 44 rotates, and a certain amount of the object to be packaged is weighed and put into the bag ((f)).

By repeating the above steps, it is possible to continuously obtain a packaging bag in which the freshness-keeping agent bag and foods are enclosed.

As described above, according to this embodiment, as shown in FIG. 6, the pouch guide tube 74 has a flat cross section, so that the tube does not come into contact with the accessory piece 110 or the gas tube 77. Auger tube 42
And a film guide tube 62 can be disposed in a slight gap. Therefore, the freshness-keeping agent bag 12 can be smoothly loaded into the packaging bag 18 without contacting an obstacle or the like, so that the timing when the freshness-keeping agent bag 12 and the object to be packaged are loaded into the packaging bag is synchronized. Simply, the freshness preserving agent bag 12 and the article to be packaged are automatically packed in the packaging bag 1
8 can be enclosed at the same time.

In the present embodiment, the oxygen scavenger bag has been described as an example, but the present invention is not limited to this. For example, an oxygen detector, another bag of freshness-retaining agent, and a seasoning such as sauce are contained. It can be a bag. In addition, in this embodiment,
Although coffee has been described as an example of the object to be wrapped, the present invention is not limited to this. For example, confectionery, grain flour, beans,
It may be powder such as rice and corn flakes.

[0044]

As described above, according to the present invention, in the vertical bag-making filling and packaging apparatus, a packaging apparatus capable of enclosing the object to be packaged and the sachet in a timely manner and continuously and automatically inserting the sachet. Can be provided.

[Brief description of drawings]

FIG. 1 is a schematic view of a vertical bag-making filling and packaging apparatus according to an embodiment of the present invention.

FIG. 2 is a plan view of a freshness-retaining agent strip.

FIG. 3 is a sectional view taken along line III-III of FIG. 2;

FIG. 4 is a schematic view of an auger type filling device.

FIG. 5 is a schematic view of a bag making / filling device.

6 is a cross-sectional view taken along line VI-VI of FIG.

FIG. 7 is a view showing a state in which an object to be packaged and a freshness-keeping agent bag are enclosed in a packaging bag.

FIG. 8 is a timing chart of the operation of each mechanism.

[Explanation of symbols]

 10 Vertical bag-making filling and packaging device 12 Freshness preserving agent bag (small bag) 18 Packaging bag 42 Auger tube 74 Small bag guide tube

Claims (4)

[Claims] 1. A packaging bag is continuously constructed from a packaging film guided by a film guide tube, and a packaging bag is constructed by filling a small bag and an article to be packaged, which is a granular material, in each packaging bag. The vertical pillow seal bag-making and packaging mechanism, the pouch feeding mechanism that cuts the pouch band in which the pouches are connected in one direction into individual pouches, and feeds the pouches up to the packaging pouch. A packaged object filling mechanism that supplies a predetermined amount of the packaged object to the packaging bag while measuring the volume of the packaged object in the auger tube to be guided by rotating the screw, the auger tube being the film guide tube. A vertical bag-making filling and packaging device disposed inside, wherein the sachet supply mechanism includes a sachet guiding tube that introduces the sachet to the packaging bag, and the sachet guiding tube is the auger Over Bed a vertical bag filling apparatus arranged between said film guide tube. 2. The vertical bag-making filling and packaging apparatus according to claim 1, wherein the pouch guide tube has a flat cross-section. 3. The pouch supply mechanism includes a guide chute that guides the pouch to the pouch guide tube, and a standby mechanism that waits for transfer of the pouch on the guide chute, the standby mechanism including the packaging bag. The vertical bag-making filling and packaging apparatus according to claim 1 or 2, which operates in response to a synchronization signal for filling an article to be packaged therein. 4. The fresh bag is a freshness preserving bag.
The vertical bag-making filling and packaging apparatus according to any one of claims 1 to 3.