JP2004059033A - Bagging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To carry out mouth sealing work of a bag without using manpower to enable automatic, sequential filling work, to make troublesome bagging work simple enough for seniors to carry out easily to improve work efficiency, to seal the mouth of the bag with a double-faced adhesive tape to make easier and faster the mouth sealing work than that by machine-sewing, and to simplify the structure of machines and equipment to reduce investment in them and trouble with their maintenance. <P>SOLUTION: In a bagging apparatus, a sealing section B is arranged next to a filling section A which holds the bag 10 with its mouth opened in a standing state. The sealing section B comprises a rotating body 16 having an air inlet 17 on the outer periphery thereof and a pressure contact unit 20 which presses to drive a press board 20b of an elongated cylinder. The filling section A has a transfer mechanism 3 which moves holding members 9 and U-shaped holding members 12, both of which hold the bag 10, horizontally, so as to transfer the bag 10 filled with contents to the sealing section B. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a bag-filling device in which a paper bag represented by a rice bag is filled with a predetermined amount of contents such as cereals and the mouth is sealed.
[0002]
[Prior art]
Conventionally, in a paper bag such as a rice bag, after filling the contents, the mouth portion is sewn using a sewing machine or the like, or a binding string provided near the mouth portion is pulled, thereby closing the mouth portion. It has been practiced to close the mouth by tying the string in a closed state.
[0003]
In this case, in order to fill the contents into the bag, the opening may be an opening provided at any one of upper and lower sides thereof, and does not necessarily mean an opening provided at an upper side.
[0004]
[Problems to be solved by the invention]
Of the above-mentioned conventional machines, first of all, a machine in which the mouth is sewn with a sewing machine requires a dedicated sewing machine for wide sewing, and also requires time and effort for setting the mouth of the bag on the sewing machine. However, there has been a problem that the equipment cost for sealing the mouth is increased and the work efficiency is poor.
[0005]
In addition, a device in which the mouth is tied with a string cannot be operated by an automatic machine, and all operations are performed manually, which is not only inefficient, but also burdens the operator. In addition, since bags must be handled with the contents filled, heavy items such as rice bags place a greater burden on workers and are a serious problem, especially in the aging agricultural field. It was.
[0006]
An object of the present invention is to solve the problems of the above-described conventional bag packing operation.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, of the present invention, the invention according to claim 1 holds a bag upright with an opening of a mouth widened and throws a predetermined amount of contents into the bag. A bag filling device provided with a sealing portion for closing the mouth portion of the bag, which is provided adjacent to the filling portion, and the sealing portion is movably supported by a guide rail, and is provided at a predetermined position on the outer periphery. A rotary body provided with an air suction port, a driving device for rotating the rotary body along a guide rail, and a pressure contact device for pressing and driving a horizontally long pressing plate by a cylinder device are provided. Then, with the one end of the release paper of the double-sided tape adhered to the mouth of the bag being adsorbed to the air suction port, the rotation body is rotated along the guide rail, so that the release paper is rotated by the rotation body. By winding around the periphery and removing, the folded portion connected to the tip of the mouth portion is folded back on the adhesive portion of the double-sided tape that has appeared, and the mouth portion is pressed and adhered to the adhesive portion with the pressing plate of the press-contact device. It is characterized by being sealed.
[0008]
According to a second aspect of the present invention, in the configuration of the first aspect of the present invention, the filling section is driven up and down with the hopper driven up and down, and the tip is driven in a direction in which the tip comes into contact with and separates from the side surface of the hopper. A holding lever that is provided with a holding lever, a holding member that is driven in the opening and closing direction, and holds the side surface of the bag, and a holding member that holds both ends of the mouth of the bag; And a condition that the holding member can be moved in the horizontal direction so that the holding member can be transferred to the sealing portion while holding the bag filled with the contents.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail based on illustrated embodiments.
[0010]
FIG. 1 is a front view of a bag packing apparatus according to the present invention, and FIG. 2 is a plan view of a main part thereof. As shown in the figure, the bag filling apparatus 1 includes a filling section A provided with a hopper 4 into which stored items (not shown) are charged, and a rotating body 16 provided above a frame 2 provided with a transport mechanism 3 provided below. And a sealing unit B composed of a press-contact device 20 are arranged adjacent to each other. On one side (the left side in FIG. 1) of the bag packing device 1, a stock device 40 in which storage bags 11 are stacked is disposed. At the same time, a supply device 30 is provided, which takes out the bags 10 one by one from the stock device 40 and supplies the bags 10 to the filling section A of the bag filling device 1.
[0011]
Here, the bags 10 stacked in the stock device 40 are paper rice bags provided with a mouth 10a on one side as shown in FIG. 10, and one outer surface of the opened mouth 10a (see FIG. 10). 10, a double-sided tape 11 is stuck over the width direction of the sheet with a release paper 11a attached to the surface. On the other side of the mouth portion 10a to which the double-sided tape 11 is not attached (in FIG. 10, inside the paper), a folded piece 10b is continuously provided at the tip.
[0012]
The supply device 30 has a pair of suction nozzles 31 and 32 provided downwardly supported by cylinder devices 33, 34 and 35 so as to be able to move up and down, slide and rotate. The outside of the mouth 10a of the bag 10 is adsorbed on the folded piece 10b, and the bag 10 is supplied to the filling section A under the hopper 4 in an upright state with the folded piece 10b raised.
[0013]
As shown in FIGS. 4 and 5, the filling section A is configured such that a hopper 4 for charging the contents (here, rice) is attached to the frame 2 by a cylinder device 5 so as to be able to move up and down. A pair of holding levers 6, which are driven by a cylinder device 7 in a direction in which the tip comes into contact with and separate from the side surface of the hopper 4, are attached to the side surface. Further, a pair of holding members 9, 9 are provided on both sides below the hopper 4 so as to be driven to open and close, respectively. As shown in FIG. 4, the same holding members 9 are provided vertically. Further, a pair of holding members 12, 12 whose surfaces are curved in an arc shape, are provided below the holding member 9 so as to be similarly opened and closed. In FIG. 2, reference numerals 13 and 14 indicate cylinder devices for opening and closing the holding member. Also, on the rear side below the hopper 4, that is, on the downstream side of the conveyance, as shown in FIGS. 3 and 5, the suction nozzle 8 whose suction surface faces forward is connected to the suction nozzle 32 below the supply device 30. They are provided to face each other.
[0014]
The holding member 9 and the holding member 12 are also driven to move in the horizontal direction by a cylinder device (not shown) of the transport mechanism 3.
[0015]
As shown in FIGS. 6 and 7, the sealing portion B is provided with a rotating body 16 provided with an air suction port 17 at a predetermined location on the outer periphery thereof on a guide rail 15 provided so as to straddle the frame 2 in the lateral direction. A backup device 21 for horizontally moving a horizontally long receiving plate 21b by a cylinder device 21a and a horizontally long pressing plate 20b for a cylinder device 20a are provided in front and behind the guide rail 15 so as to be rotatable. There is provided a pressing device 20 which is pressed and driven in the direction of the receiving plate 21b. On the rear side of the guide rail 15, there is provided a folding member 22 that moves vertically and folds a folding piece 10 b provided continuously with the mouth 10 a of the bag 10 downward.
[0016]
In FIG. 7, reference numeral 19 denotes a cylinder of a driving device that rotates the rotating body 16 along the guide rail 15. In FIG. 6, reference numeral 18 denotes a swivel joint that communicates with the air suction port 17 and protrudes above the rotating body 16, and is connected to a vacuum device (not shown) via a flexible hose (not shown). It has become.
[0017]
Further, in FIG. 2, reference numeral 3a indicates a roller conveyor of the transport mechanism 3.
[0018]
The configuration of the bag filling device of the present invention is as described above.
[0019]
Next, the bag filling process will be described in order. First, the supply device 30 provided on the inlet side (the left side in FIG. 1) of the bag packing device 1 is operated and placed on the stock device 40. Among the rice bags 10 made of paper, the upper one is sucked by the suction nozzles 31 and 32 and supplied to the lower side of the hopper 4. At this time, the rice bag 10 is stocked with the folded pieces 10b folded, but when the suction nozzles 31, 32 are lowered by the operation of the cylinder device 33, first, one of the suction nozzles 32 is opened. The bag 10 is pulled up by sucking the outer surface near the opening 10a of the cylinder 10 and the cylinder device 33 returns to the original state. The nozzle 31 sucks the folded piece 10b of the bag 10, and stands up the folded piece 10b. Then, the bag 10 that has been rotated so as to stand upright with the folded piece 10b expanded is moved to the lower side of the hopper 4 by the next operation of the cylinder device 35.
[0020]
The bag moved to the lower side of the hopper 4 is sucked on the other side surface of the mouth 10a by the suction nozzle 8 provided at the back of the bag, and the suction nozzles 31 and 32 of the supply device 30 are retracted (left in FIG. 3). ), The opening of the mouth 10a is expanded. By operating the cylinder device 5 in this state, the hopper 4 is lowered as shown by a chain line in FIGS. 3 and 4, and the lower end thereof is inserted into the mouth 10 a of the bag 10.
[0021]
Next, a pair of cylinder devices 7, 7 attached to the side surface of the hopper 4 are operated, and the holding levers 6, 6 are rotated in a direction in which the tip (the lower end in the figure) contacts the side surface of the hopper 4. As a result, the front and rear side surfaces of the mouth 10 a of the bag 10 are clamped and fixed between the hopper 4 and the tip of the clamping lever 6. At this time, the left and right ends of the mouth 10a are held by a pair of holding members 9, 9 provided so as to face each other on the lower side of the hopper 4, and a pair of holding members 9, 9, respectively. It is configured to be held by a pair of holding members 12, 12 provided to face each other.
[0022]
In this state, a predetermined amount of contents, in this case, 20 kg of rice, is put into the bag 10 from the hopper 4.
[0023]
When the loading is completed, the holding lever 6 returns to the original state, the hopper 4 moves up, and the fixing of the both sides of the mouth 10a is released, and at the same time, the holding members 9, 9 on the left and right sides are moved to the mouth 10a. Are moved in a direction away from each other while holding both ends of the opening 10a, and the opening of the mouth 10a is closed.
[0024]
Next, when the cylinder device (not shown) of the transport mechanism 3 is operated, the holding member 12 and the holding member 9 move to the sealing portion B provided with the rotating body 16 while holding the bag 10. I do. At this time, the rotating body 16 is located on one side of the guide rail 15 so as not to hinder the movement of the bag 10.
[0025]
When the bag 10 is conveyed to the sealing portion B, first, the receiving plate 21b of the backup device 21 moves so as to be in contact with the rear side (the left side in FIG. 8) of the mouth 10a. The rotating body 16 moves along the guide rail 15 so as to roll on the other side surface of the mouth 10a. At this time, since the air suction port 17 is provided on the outer peripheral surface of the rotating body 15, the air suction port 17 adsorbs the release paper 11a of the double-sided tape 11 attached to the side surface of the mouth 10a, As the rotating body 16 rotates, the release paper 11a winds around the surface of the rotating body 16 and is removed.
[0026]
Next, as shown in FIG. 9, the folding member 22 is lowered, and the folded piece 10b of the bag 10 is folded downward. Subsequently, the cylinder device 20a of the press-contact device 20 is operated, and the pressing plate 20b separates the folded piece 10b. The paper 11a is pressed against the adhesive portion 11b of the double-sided tape 11 from which the paper 11a has been removed.
[0027]
As a result, the folded piece 10b of the bag 10 is adhered via the double-sided tape 11 so as to close the mouth 10a, and the bag 10 is sealed. In the case of a rice bag, the sealing portion is provided at a location corresponding to the bottom of the bag 10.
[0028]
As described above, in the bag filling apparatus 1 of the present invention, the filling of the contents and the sealing of the bag 10 after the filling can be performed continuously without bothering.
[0029]
In the above-described embodiment, when the bag 10 placed on the stock unit 40 is sucked and moved by the suction nozzle 32 in a state where the folded piece 10b is folded, the folded piece 10b is moved by the suction nozzle 31. An example is shown in which the bag 10 is supplied in a state where the folded piece 10b is expanded by a pair of suction nozzles 31 and 32. It may be placed on the stock unit 40 in an expanded state.
[0030]
Further, in the above-described embodiment, bagging in rice bags has been described as an example. However, bagging device 1 of the present invention uses paper or synthetic resin bag 10 that can be adhered with double-sided tape 11. Of course, it may be used as a matter of course, for example, it may be used when bagging cereals such as soybeans, industrial raw materials in the form of pellets, or granular or powdery processed products.
[0031]
【The invention's effect】
As described above, of the present invention, the invention according to claim 1 is provided with a sealing portion provided with a rotating body provided with an air suction port on the outer periphery, adjacent to the filling section, and using the rotating body as a bag. Since the release paper of the double-sided tape affixed to the mouth is removed, the mouth can be sealed automatically without the need for manual operation, following the filling operation. Therefore, bagging work, which has been a heavy burden, can be easily performed even by elderly people, and the work efficiency has been improved. In addition, since the mouth is sealed with double-sided tape, the work is easier and faster, and the structure of the machine is simplified, compared to sealing the mouth by sewing. At the same time, the maintenance work can be reduced.
[0032]
According to a second aspect of the present invention, a holding lever for fixing the side surface of the mouth portion of the bag is provided on the side surface of the hopper of the filling portion, and a holding member for holding both ends of the mouth portion below the holding lever, and holding the side surface of the bag. Since the holding member is provided and the holding member and the holding member can be moved in the horizontal direction, the bag can be stably filled, and the bag containing the contents is transferred to the sealing portion. This also has the effect that it is performed smoothly and reliably.
[Brief description of the drawings]
FIG. 1 is a front view of a bag filling device according to the present invention.
FIG. 2 is a plan view of a main part of FIG.
FIG. 3 is a front view of a filling unit.
FIG. 4 is a side view of a filling unit.
FIG. 5 is a plan view of a filling section.
FIG. 6 is a side view of the sealing portion.
FIG. 7 is a plan view of a sealing section.
FIG. 8 is a front view of the sealing unit.
FIG. 9 is an enlarged view of a sealing part.
FIG. 10 is a simplified perspective view of a bag used in the bag filling device of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Bag packing device 2 Frame 3 Transport mechanism 4 Hopper 5, 7, 13, 14, 19, 20a, 21a Cylinder device 6 Holding lever 8 Suction nozzle 9 Holding member 10 Bag 10a Opening 10b Folded piece 11 Double-sided tape 11a Release paper 11b Adhesive part 12 Holding member 15 Guide rail 16 Rotating body 17 Air suction port 18 Swivel joint 20 Pressure contact device 20b Press plate 21 Backup device 21b Receiving plate

Claims (2)

A sealing portion for closing the mouth of the bag is provided adjacent to the filling portion for holding the bag upright with the opening of the mouth widened and for charging a prescribed amount of contents into the bag. Bagging device,
The sealing unit includes a rotating body movably supported by a guide rail and provided with an air suction port at a predetermined location on an outer periphery, a driving device for rotating the rotating body along the guide rail, and a cylinder device. A pressure contact device that presses and drives a horizontally long pressing plate is provided, and one end of the release paper of the double-sided tape attached to the mouth of the bag is sucked into the air suction port, and the rotating body is moved along the guide rail. By rotating and moving, the release paper is wrapped around the rotating body and removed, and the adhesive piece of the double-sided tape that has appeared, the folded piece connected to the tip of the mouth is folded back, and the pressing plate of the pressing device, A bag packing device characterized in that the mouth portion is sealed by pressing and bonding to the adhesive portion. The filling unit includes a hopper that is driven up and down, a holding lever that is driven up and down together with the hopper, and a tip that is driven in a direction in which the tip contacts and separates from the side surface of the hopper. A holding member to be held, and a holding member to hold both ends of the mouth of the bag are provided, and the holding member and the holding member are attached to the sealing portion while holding the bag filled with the contents. 2. The bag packing apparatus according to claim 1, wherein the bag packing apparatus is provided so as to be movable in a horizontal direction so that the bag can be transferred.

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