JP2005053486A - Bagging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bagging apparatus requiring not wide installation area, capable of being miniaturized as well as automatically and positively performing operation from filling till sealing of contents. <P>SOLUTION: The bagging apparatus 1 is provided with a sealing device B for sealing contents by laminating a port flap to the adhesive agent layer 11a formed on the wall face after filling the contents in the bag 10. The sealing device B is equipped with a rotator 16 supported movably along the wall face of the bag to remove the release paper 11a covering the adhesive agent layer 11b. The rotator 16 supported rotatably has at least one air suction port on the peripheral part thereof, with each air suction port communicating with a negative pressure generating device. A pressuring device 20, after removing the release paper 11a from the rotator 16, pressurizes the port flap to the adhesive agent layer 11b. The pressurizing device 20 has a pair of pressurizing plates holding substantially the whole width of the bag wall face between both sides. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bag filling device, and more specifically, for example, a bag filling device that seals the mouth after filling a predetermined amount of contents into a paper bag represented by a rice bag or a synthetic resin bag. About.
[0002]
[Prior art]
For example, pleated or pleated paper bags mainly made of kraft paper are used for agricultural products such as rice and other grains, raw materials for manufacturing industrial products such as synthetic resin pellets, and foods such as pet food. Widely used as a bag. In recent years, in this type of paper bag, an improved sealing means for the mouth has been used in order to facilitate sealing after filling the contents.
[0003]
That is, as shown in FIG. 10, in the improved paper bag 10, the mouth flap 10 b is folded after filling the contents, and the adhesive layer 11 b is applied in advance to the corresponding region of the wall surface where the mouth flap 10 b overlaps. The mouth flap 10b is attached to the pressure-sensitive adhesive layer 11b and sealed. The release paper 11a is attached to the surface of the pressure-sensitive adhesive layer 11b before the mouth flap 10b is attached, and the surface of the pressure-sensitive adhesive layer is protected. When the mouth 10a of the paper bag 10 is sealed, the release paper 11a is released. The pattern paper 11a is peeled off, and the mouth flap 10b is overlaid and pasted. The pressure-sensitive adhesive layer 11b whose surface is protected with the release paper 11a can be easily formed by simply attaching the double-sided adhesive tape 11 having a desired width to a predetermined position on the wall surface of the paper bag 10.
[0004]
When the pressure-sensitive adhesive layer 11b protected by the release paper 11a is provided on the wall surface, the mouth flap 10b is folded and attached to the pressure-sensitive adhesive layer 11b, and the paper bag 10 having a structure for sealing the mouth 10a is used. After filling the paper bag 10 with the contents, an apparatus for automatically sealing the mouth 10a has been developed (see Patent Document 1). In the bag mouth portion automatic sealing device described in Patent Document 1, an adhesive layer is removed by a release paper removing device installed on the moving path while a paper bag filled with contents is advanced on the moving path. The release paper on the surface was peeled off, and then the mouth flap was folded and superimposed on the pressure-sensitive adhesive layer, and the mouth flap was pressed against the pressure-sensitive adhesive layer with a pressure device.
[0005]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-332013
[Problems to be solved by the invention]
However, in the bag mouth automatic sealing device described in Patent Document 1, the above-described release paper removal, mouth flap folding, and crimping of the folded mouth flap to the adhesive layer filled the contents. This is a structure that is performed while a paper bag is placed on a moving path such as a belt conveyor, so the length of the device becomes very long, and a large area is required to install the device. was there.
[0007]
Further, in the bag mouth portion automatic sealing device described in Patent Document 1, the progress of the paper bag is temporarily stopped in the release paper removing device that peels the release paper protecting the adhesive surface, and is parallel to the traveling direction of the paper bag. Of the two suction cups, the suction cup in the front direction of the paper bag is brought into close contact with the front end of the release paper, and the two suction cups are swung in a direction substantially perpendicular to the wall surface of the paper bag and away from the wall surface. It was made to peel off from an adhesive layer.
[0008]
However, in the bag mouth automatic sealing device described in Patent Document 1, due to the structural problem of supporting the sucker so as to be able to turn, the swirl radius of the sucker that is in close contact with the front end of the release paper is increased. Since it leaves | separates in the substantially right angle direction with respect to the surface of a pattern paper, a shear force does not act effectively between a release paper and an adhesive layer. As a result, the release paper is difficult to peel off from the pressure-sensitive adhesive layer, and a large suction force by a suction cup is required to surely release the release paper, resulting in various problems such as an increase in the size of the apparatus.
[0009]
An object of the present invention is to solve such conventional problems, and can be miniaturized without requiring a large installation area, and automatically and reliably from filling of contents to sealing. It is an object of the present invention to provide a bagging apparatus that can be used in the present invention.
[0010]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a structure in which a pressure-sensitive adhesive layer is provided in a band shape in the width direction on an opposing wall surface where folded mouth flaps overlap, and the mouth flaps are bonded to the pressure-sensitive adhesive layer and sealed. A bagging device comprising a sealing device that seals the mouth of the bag after filling the bag with the contents, wherein the sealing device is configured to remove the release paper covering the pressure-sensitive adhesive layer. A rotating body that is supported so as to be movable along the rotary body, and that is also rotatably supported by the rotating body, and a pressure welding device that presses the mouth flap against the adhesive layer after the release paper is removed by the rotating body. The rotating body has at least one air suction port in the periphery thereof, and each air suction port communicates with a negative pressure generating device, and the pressure welding device extends substantially the entire width of the wall surface of the bag from both sides. Has a pair of pressing plates to sandwich And said that you are.
[0011]
As a preferred embodiment of the bag filling device according to the present invention, at least one of the pressing plates located on the wall surface side provided with the pressure-sensitive adhesive layer can be separated and approached to the wall surface of the bag by a cylinder device. The pressure plate is supported and pressed so that the bent mouth flap is pressed against the pressure-sensitive adhesive layer by the cylinder device.
[0012]
As another preferred embodiment of the bag filling device according to the present invention, the bag filling device includes a filling device for filling the bag with contents. The filling device includes a hopper for filling a content that is movably supported so that the content discharge port enters and exits from the open mouth of the bag, and the content discharge port of the hopper includes the hopper. A pressing plate that presses the vicinity of the mouth of the bag against the outer peripheral surface of the hopper when the bag enters the bag from the mouth; And a pair of clamping devices for clamping both ends of the mouth portion of the bag.
[0013]
As another preferred embodiment of the bagging device according to the present invention, a pair of the clamping devices are configured such that when the content discharge port of the hopper comes out of the bag after filling the bag with the content, It is supported so as to be movable in the opposite direction, and both ends of the mouth of the bag are pulled to form the mouth flat.
[0014]
As still another preferred embodiment of the bag filling device according to the present invention, the holding device and the clamping device can be transferred to the sealing means while holding the bag filled with the contents. It is supported so that it can reciprocate. Furthermore, the bag filling device according to the present invention includes a supply device that takes out one of the many bags stocked in a flat state at the standby position and moves the bag to the filling device.
[0015]
As still another preferred embodiment of the bagging device according to the present invention, the bagging device further includes a conveyor-type conveyance mechanism installed between the filling device and the sealing device, The filling device and the sealing device are installed above, and the bag is moved from the filling device to the sealing device on the transport mechanism.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the bagging apparatus according to the present invention will be described in more detail based on a preferred embodiment shown in the drawings. FIG. 1 is a front view of a bagging device 1 according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the bagging device 1 cut along line 2-2 in FIG. The bagging device 1 includes a transport mechanism 3 supported by a frame 2. As shown in FIG. 2, the transport mechanism 3 is composed of a roller conveyor in which a large number of rollers 3a are arranged in the horizontal direction as viewed in FIG.
[0017]
The bagging device 1 is installed on a transport mechanism 3 having the left and right lateral directions as viewed in FIG. 1 and an upper frame 2 on one end side (left side in FIG. 1) of the transport mechanism 3 in the lateral direction. The filling device A, the sealing device B installed in the upper frame 2 on the other lateral end side (right side in FIG. 1) of the transport mechanism 3, and the left side adjacent to the frame 2 in FIG. A stock apparatus 40 for loading and stocking a large number of flattened paper bags 10 laid sideways, and a supply for taking out one paper bag 10 from the stock apparatus 40 and supplying it to the filling apparatus A Device 30.
[0018]
The supply device 30 includes a pair of suction nozzles 31 and 32. In the supply device 30, the postures of the suction nozzles 31 and 32 can be changed by the plurality of cylinder devices 33, 34, and 35 so as to face downward or laterally as viewed in FIG. 1. These suction nozzles 31 and 32 are further supported to freely move up and down, slide and rotate. With these suction nozzles 31 and 32, the outer wall surface of the mouth portion 10a and the mouth flap 10b of the paper bag 10 laid sideways are sucked to lift the paper bag 10 from the stock device 40, and the mouth flap 10b is raised. In this state, it is supplied in an upright position below the hopper 4 in the filling device A.
[0019]
As shown in FIG. 4, the filling device A includes a hopper 4 for charging contents, which is supported on the frame 2 by a cylinder device 5 so as to be movable up and down. A pair of pressing devices 6 are attached to the outer surface of the hopper 4 as shown in FIGS. Each pressing device 6 includes a pressing lever 6a pivotally supported on the outer surface of the hopper 4, and the pressing lever 6a is connected to a piston rod of a cylinder device 7 attached to the hopper support plate 4a. The holding lever 6 a is pivoted by the operation of the device 7, and the holding plate 6 b attached to the tip of the device 7 is moved so as to abut against or separate from the outer surface of the hopper 4.
[0020]
In the lower position of the hopper 4, a pair of clamping devices 9 are arranged in two pairs in a row in the vertical direction. Each of the pair of clamping devices 9 is provided on the outside of both ends in the vicinity of the mouth of the paper bag 10 placed immediately below the hopper 4 as indicated by phantom lines in FIGS. 4 and 5 (front side and back side as viewed in FIG. 1). Are arranged opposite to each other. Each clamping device 9 includes two clamping levers 9a pivotally attached to the substrate. Each clamping lever 9a is pivoted by a cylinder device, an electromagnetic device, or the like, and a gripping portion provided at the tip of these clamping levers 9a. By approaching 9b apart, both ends of the paper bag 10 near the mouth are sandwiched or released.
[0021]
A holding device 12 is installed at a position further below these clamping devices 9. The holding device 12 includes a pair of holding plates 12a and 12b whose surfaces are curved in an arc shape so as to be suitable for holding both wall surfaces of the paper bag 10 filled with the contents and expanded as shown in FIG. These holding plates 12a and 12b can be moved toward and away from each other by a link mechanism, and the movement of the holding plates 12a and 12b is a cylinder device 13 connected to the link mechanism. , 14.
Under the hopper 4, the paper bag 10 filled with the contents is swelled from both wall surfaces by the holding plates 12 a and 12 b of the holding device 12, so that the paper bag 10 stands stably without falling down. The clamping device 9 and the holding device 12 are also driven to move in the horizontal direction by a cylinder device (not shown) of the transport mechanism 3.
[0022]
As shown in FIGS. 3, 4, and 5, the suction nozzle 8 that directs the suction portion 8 a toward the left, that is, the upstream side in the transport direction is provided to the right of the hopper 4 in FIG. The cylinder device is supported from above by a cylinder device at a position facing the lower suction nozzle 32 whose posture is changed so as to face in the lateral direction at 30.
[0023]
The principal part of the sealing part B installed in the right side of the filling apparatus A seeing in FIG. 1 is expanded and shown in FIG.6 and FIG.7. The sealing portion B includes a rotating body 16 that is movably attached to a guide rail 15 that is provided so as to straddle the frame 2 in the vertical direction (the front and back direction of the paper as viewed in FIG. 1). The rotating body 16 has a circular outer outline, and itself can rotate around its center. An air suction port 17 is provided at a predetermined location on the outer peripheral portion of the rotating body 16. The air suction port 17 communicates with a vacuum device (not shown) via a swivel joint 18 projecting from the upper portion of the rotating body 16 and a flexible hose (not shown) connected to the joint. The rotating body 16 is configured to reciprocate along the guide rail 15 by the cylinder device 19 and to rotate along with the movement at that time.
[0024]
As shown in FIG. 8, a backup device 21 is provided on the left side of the guide rail 15, and a pressure welding device 20 is provided on the right side of the guide rail 15. The backup device 21 includes a cylinder device 21a and a horizontally long receiving plate 21b connected to and supported by the piston rod of the cylinder device 21a. The receiving plate 21b is operated by an arrow 21c in FIG. 8 by the operation of the cylinder device 21a. It is moved in the horizontal direction shown. The pressure welding device 20 includes a cylinder device 20a and a horizontally long pressing plate 20b. The pressing plate 20b is moved by the cylinder device 20a so as to approach and separate from the receiving plate 21b of the backup device 21. Furthermore, the folding device 22 is provided in the pressure welding device 20, and the folding member 22 is movable in the vertical direction, and the mouth 10a of the paper bag 10 is moved by moving the folding member 22 from above to below. The mouth flap 10b is folded back.
[0025]
Next, the operation of the bagging apparatus 1 will be described together with the bagging process. First, the supply device 30 installed on the inlet side (left side in FIG. 1) of the bagging device 1 is operated, and the upper one of the paper bags 10 placed on the stock device 40 is sucked by the suction nozzles 31 and 32. Adsorbed and supplied to the lower side of the hopper 4. At this time, the paper bag 10 is stocked with the mouth flap 10b folded back.
When the cylinder device 33 is operated and the piston rod is extended, the suction nozzles 31 and 32 are moved downward. First, one of the suction nozzles 32 is brought into close contact with the wall surface of the outer surface in the vicinity of the mouth portion 10a of the upper one paper bag 10 among the many paper bags 10 placed on the stock device 40. Adsorb. Next, when the cylinder device 33 returns to the original state, the piston rod is drawn, and the suction nozzle 32 pulls up the paper bag 10.
Next, when the cylinder device 34 is operated to rotate the paper bag 10, the other suction nozzle 31 sucks the mouth flap 10 b of the paper bag 10 and stands up this mouth flap 10 b. Then, the paper bag 10 rotated so as to stand upright in a state where the mouth flap 10b is expanded as described above is moved to the lower side of the hopper 4 by the operation of the cylinder device 35.
[0026]
That is, the cylinder device 34 is actuated, and the position of the suction nozzle 32 is changed so that the suction nozzle 32 faces in the lateral direction as indicated by the phantom line in FIG. 3, and accordingly, the mouth 10a of the paper bag 10 faces upward. The posture is changed by turning. Since the paper bag 10 is placed in the stock apparatus 40 with the mouth flap 10b folded back, when the paper bag 10 rotates, the other suction nozzle 31 sucks the mouth flap 10b of the paper bag 10. Then, the mouth flap 10b is folded back.
In addition, when taking out one paper bag 10 from the stock device 40, the movement of each cylinder device in the supply device 30 for returning the folding of the mouth flap 10b is not the gist of the present invention. The description about is omitted.
The reason why the mouth flap 10b of the paper bag 10 is folded in advance at a predetermined fold line as described above is to make the sealing operation in the final process simple and easy by folding.
[0027]
Next, the cylinder device 35 is operated, and the paper bag 10 held by the suction nozzles 31 and 32 is moved to the lower side of the hopper 4 while maintaining its posture (position with the mouth portion 10a facing upward). Therefore, the paper bag 10 when moved to the lower side of the hopper 4 is arranged with the opposing wall surfaces directed in the lateral direction (left-right direction as viewed in FIG. 1).
[0028]
When the suction nozzles 31 and 32 sucked on one wall surface of the paper bag 10 change their postures, the suction nozzles disposed obliquely upward as viewed in FIG. 4 when the paper bag 10 is moved to a position below the hopper 4. After 8 descends downward, it approaches toward the other wall surface of the paper bag 10 and adheres to and adsorbs the other wall surface in the vicinity of the mouth portion 10a of the paper bag 10.
[0029]
Next, when the suction nozzles 31 and 32 adsorbed on one wall surface of the paper bag 10 move leftward as viewed in FIG. 3, the opposite wall surfaces of the paper bag 10 are opposed to each other by the opposing suction nozzles 8, 31 and 32. The mouth portion 10a is widened and opened. Thereafter, the hopper 4 is lowered by the operation of the cylinder device 5 (see FIG. 4) as shown by the phantom lines in FIGS. 3 and 4, and the content discharge port at the lower end of the hopper 4 is the opening portion of the paper bag 10 opened. 10a is inserted into the inside.
[0030]
Next, the pressing lever 6a of the pressing device 6 is pivoted by the operation of the pair of cylinder devices 7 and 7 attached to the hopper 4, and the pressing plate 6b at the tip of the lever 6a is brought into contact with the outer surface of the hopper 4. The wall surface of the paper bag 10 is pressed against the side surface of the hopper 4. Thereby, both wall surfaces of the mouth portion 10 a in the paper bag 10 are sandwiched between the outer surface of the hopper 4 and the pressing plate 6 b and fixed to the hopper 4. At this time, the left and right ends of the mouth portion 10a of the paper bag 10 are clamped by the clamping levers 9a and 9b of the pair of upper and lower clamping devices 9 and 9 provided to face each other at the lower position of the hopper 4, and the paper bag 10 Similarly, each of the wall surfaces is sandwiched between the pair of holding plates 12a of the holding device 12 provided so as to face each other.
[0031]
In this state, a predetermined amount of contents, in this example, 20 kg of rice, is filled into the paper bag 10 from the hopper 4. When the filling of the contents is completed, the pressing lever 6 of the pressing device 6 is pivoted so that the pressing plate 6b at the tip is separated from the outer surface of the hopper 4 and the mouth portion 10a in the paper bag 10 with respect to the hopper 4 The press of is released. Next, the hopper 4 is raised by the cylinder device 5 and at the same time, two opposing pairs of clamping devices 9 holding both ends of the paper bag 10 near the mouth 10a move away from each other while holding the both ends of the paper bag 10. Then, the mouth 10a is flattened to close the opening of the paper bag 10.
[0032]
Next, when the cylinder device (not shown) of the transport mechanism 3 is operated, the holding device 12 and the holding device 9 are moved to the sealing portion B provided with the rotating body 16 while holding the paper bag 10. Moving. At this time, the rotating body 16 is positioned at one end of the guide rail 15 and does not hinder the movement of the paper bag 10. When the paper bag 10 is conveyed to the sealing part B in this way, the receiving plate 21b of the backup device 21 is brought into contact with one wall surface of the mouth part 10a in the paper bag 10 (left side of the paper surface as viewed in FIG. 8). In this state, the rotating body 16 moves along the guide rail 15 so as to substantially contact the other wall surface in the vicinity of the mouth portion 10a. Since the air suction port 17 is provided in the outer peripheral part of the rotary body 16, this air suction port 17 adsorbs the release paper 11a protecting the adhesive layer 11b provided on the wall surface in the vicinity of the mouth part 10a. As the rotator 16 moves while rotating, the release paper 11a is wound around the surface of the rotator 16 and removed.
[0033]
Thereafter, as shown in FIG. 9, the folding member 22 descends, the mouth flap 10b of the paper bag 10 is folded downward, the cylinder device 20a of the press contact device 20 is subsequently operated, and the pressing plate 20b is moved to the mouth flap 10b. Is pressed against the pressure-sensitive adhesive layer 11b from which the release paper 11a has been removed.
[0034]
As a result, the mouth flap 10b of the paper bag 10 is bonded and fixed to the adhesive layer 11b, and as a result, the mouth 10a of the paper bag 10 is sealed. As described above, in the bag filling device 1, the filling of the contents and the sealing of the paper bag 10 after filling are performed automatically and continuously without bothering people.
[0035]
In the embodiment described above, the paper bag 10 is placed on the stock device 40 with the mouth flap 10b folded back. When the paper bag 10 is sucked by the suction nozzle 32 of the supply device 30 and moved to the filling device A, the mouth flap 10b is sucked by the suction nozzle 31 and is folded back as the posture of the supply device 30 is changed. It is like that. However, it is not the gist of the present invention that the posture change in the mouth flap 10b is returned by the supply device 30 as described above, and the paper bag 10 is stacked on the stock device 40 in what state. The paper bag 10 may be placed on the stock apparatus 40 in any state of the mouth flap 10b.
[0036]
Further, in the embodiment described above, bagging into a paper rice bag has been described as an example. However, the bagging device according to the present invention has, for example, a mouth flap on the adhesive layer 11b that can be formed by the double-sided adhesive tape 11. The present invention can also be applied to a bag formed of a material that can be adhered to, for example, a bag made of synthetic resin. The bagging apparatus according to the present invention is particularly suitable for bagging of grains such as soybeans, pellet-shaped industrial raw materials, or processed products in the form of granules or powders, but the contents may be anything. Of course.
[0037]
【The invention's effect】
As described above, in the bagging device according to the present invention, the sealing member is provided with a rotating body provided with an air suction port at the outer peripheral portion thereof, and the pressure sensitive adhesive provided on the wall surface in the vicinity of the mouth portion of the bag with this rotating body. Since the protective release paper of the layer is removed, the release paper can be reliably removed and the occurrence of sealing failure can be prevented.
[0038]
Further, the bag filling device of the present invention includes a filling device for filling the bag with the contents, and the bag is filled with the contents while the bag is stationary at a lower position of the filling device. Is moved to a position below the sealing device adjacent to the filling device, where the release paper that protects the adhesive layer is removed, and the mouth flap is folded and pasted. The area can be reduced. Therefore, since a large area is not required for installation of the apparatus, the degree of freedom of the installation location is improved.
[Brief description of the drawings]
FIG. 1 is a front view of a bagging apparatus according to the present invention.
FIG. 2 is a plan view showing a main part of the bagging device cut along line 2-2 in FIG. 1;
FIG. 3 is a configuration explanatory view showing the configuration of the filling device when the bag filling device is viewed from the front side as in FIG. 1;
4 is a configuration explanatory view of the filling device and each device provided around the filling device when the filling device is viewed from the right side of FIG. 3;
FIG. 5 is a structural explanatory view schematically showing a filling device from above in FIG. 4;
6 is a structural explanatory view schematically showing the sealing device as viewed from the right side of FIG. 1. FIG.
7 is a plan view schematically showing the sealing device as viewed from above in FIG. 6;
8 is an explanatory diagram schematically showing a state of the sealing device shown in FIGS. 6 and 7 when viewed from the front. FIG.
FIG. 9 is an explanatory diagram illustrating an enlarged configuration of a main part of the sealing device.
FIG. 10 is a perspective view of a bag used in the bag filling device according to the present invention.
[Explanation of symbols]
A Filling device B Sealing device 1 Bag filling device 2 Frame 3 Transport mechanism 4 Hopper 5, 7, 13, 14, 19, 20a, 21a Cylinder device 6 Holding device 6a Holding lever 6b Holding plate 8 Adsorption nozzle 8a Adsorption part 9 Holding device 9a Holding lever 9b Grasping part 10 Bag 10a Mouth part 10b Mouth part flap 11 Double-sided adhesive tape 11a Release paper 11b Adhesive layer 12 Holding device 12a, 12b Holding plate 15 Guide rail 16 Rotating body 17 Air inlet 18 Rotary joint 20 Pressure welding device 20b Press plate 21 Backup device 21b Receiving plate 22 Folding member

Claims (8)

An adhesive layer is provided in a band shape in the width direction on the opposite wall surface where the folded mouth flap overlaps, and the bag mouth is filled with the contents after the mouth flap is bonded to the adhesive layer and sealed. In a bagging device including a sealing device for sealing a part,
The sealing device is supported so as to be movable along the wall surface of the bag so as to remove the release paper covering the pressure-sensitive adhesive layer, and is also rotatably supported by the rotating device. A pressure welding device that crimps the mouth flap to the adhesive layer after removing the release paper,
The rotating body has at least one air suction port in the periphery thereof, and each air suction port is communicated with a negative pressure generating device,
The bagging device, wherein the pressure welding device has a pair of pressing plates that sandwich the substantially full width of the wall surface of the bag from both sides. At least one of the pressing plates positioned on the wall surface provided with the pressure-sensitive adhesive layer is supported by a cylinder device so as to be able to be separated and approached to the wall surface of the bag, and the pressing plate is bent. 2. The bagging device according to claim 1, wherein a part flap is pressed against the pressure-sensitive adhesive layer by the cylinder device and bonded together. The bagging device according to claim 1 or 2, wherein the bagging device includes a filling device that fills the bag with contents. The filling device has a hopper for filling the contents movably supported so as to be separated and approached so that the contents discharge port enters and exits the open mouth of the bag, and the contents discharge port of the hopper includes the A pressing plate that presses the vicinity of the mouth of the bag against the outer peripheral surface of the hopper when the bag enters the bag from the mouth; The bagging apparatus according to claim 3, further comprising: a holding apparatus that holds and supports the bag from the outside; and a pair of holding apparatuses that hold both ends of the mouth of the bag. A pair of the clamping devices are supported so as to be movable in opposite directions opposite to each other when the content discharge port of the hopper comes out of the bag after filling the bag with the content. The bagging device according to claim 4, wherein both ends of the portion are pulled to form the mouth portion into a flat shape. The holding device and the holding device are supported so as to be able to reciprocate so as to be able to be transferred to the sealing means while holding the bag filled with the contents. The bagging apparatus according to 4 or 5. The said bagging apparatus is further provided with the supply apparatus which takes out one of many said bags stocked in the flat state in the stand-by position, and moves to the said filling apparatus. The bagging device according to any one of 6. The bagging device further includes a conveyor-type conveyance mechanism installed between the filling device and the sealing device, the filling device and the sealing device are installed above the conveyance mechanism, and the bag is The bagging device according to any one of claims 3 to 7, wherein the bagging device is moved from the filling device to the sealing device on a transport mechanism.

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