KR20080082866A - Pack packing machine - Google Patents

Abstract

A sack packing machine is provided to prevent contamination of other component units due to a liquid adhesive by excluding the liquid adhesive. A main body(2) has an installation frame(9) at a rear part and a transfer conveyor at a lower part to transfer a sack filled with contents. The main body has a cutting unit(4), a folding line forming unit(5), a folding unit(6), a pressing unit(70), and a sealing unit(8). The cutting unit has a cutting blade to cut an upper part of the sack introduced into the main body. The folding line forming unit forms a folding line at the upper part of the sack. The folding unit has a pair of folding machines. The pressing unit has a pressing roller. The sealing unit has an adhesive tape feed module(81), an adhesion module(82) composed of first and second electric heat plates, a cooling module(84) composed of first and second cooling blocks(841,842), and first and second press rollers(83,85) installed before and behind of the cooling module.

Description

Bag Packing Device {PACK PACKING MACHINE}

1A and 1B are schematic configuration diagrams for explaining a packaging apparatus of a conventional bag.

Figure 1c is a configuration diagram for explaining the cutting portion in the conventional bag packaging apparatus.

1D is a configuration diagram for explaining a folding line forming unit in a conventional bag packaging apparatus.

Figure 1e is a configuration diagram for explaining the first and second fold convex portion in the conventional bag packaging apparatus.

Figure 1f is a configuration diagram for explaining the change in the shape of the bag after passing through the first and second fold in the bag packaging apparatus.

1G is a configuration diagram for explaining a pressing unit in a conventional bag packaging apparatus.

Figure 2 is a plan view for explaining the overall configuration of the bag packaging apparatus according to the present invention.

3 is a side configuration diagram for explaining the sealing portion in the bag packaging apparatus according to the present invention.

4 is a planar configuration diagram for explaining the sealing portion in the bag packaging apparatus according to the present invention.

5 is a front configuration diagram for explaining the installation frame in the bag packaging apparatus according to the present invention.

Figure 6a is a block diagram illustrating a state in which the bag is put into the bag packaging apparatus according to the present invention is bonded by an adhesive tape.

Figure 6b is a block diagram showing a state in which the bag is sealed by the bag packaging apparatus according to the present invention.

<Explanation of symbols for major parts of drawing>

1: bag packing device 2: main body

3: transfer conveyor 4: cutting part

5: folding line forming portion 6: folding portion

70: pressing part 8: suture part

9: Installation frame

The present invention relates to a bag packaging apparatus.

In general, in addition to various grains, bags used for packaging resins, salts, sugars, cements, fertilizers, chemicals, and the like are made of paper or polypropylene (PP) or polyethylene (PE).

1a and 1b is a schematic configuration diagram for explaining a conventional packaging device of the bag, Figure 1c is a configuration diagram for explaining the cutting portion in the conventional bag packaging device, Figure 1d is a conventional bag packaging device, 1E is a block diagram illustrating a folding bag forming unit, and FIG. 1E is a block diagram illustrating a primary and secondary folding parts in a conventional bag packing device. It is a block diagram for demonstrating the shape change of a bag, and FIG. 1G is a block diagram for demonstrating a pressing part in the conventional bag packing apparatus.

1A and 1B, the main body 2 includes a cutting portion 4, a folding line forming portion 5, a primary folding portion and a secondary folding portion 6, and a pressing portion on the transfer conveyor 3. The unit 70 and the suture unit 80 are sequentially installed. The packaging device 1 transfers the bag 100 filled with the contents through the conveyor while the lower part is sealed in a sealing method or a taping method, and performs a packing operation of the bag. Specifically, the cutting unit 4 is provided on one side of the upper portion of the conveying conveyor 3, as shown in Figure 1c and a set of cutting blade 41 is rotatably installed. In this case, the cutting unit 4 may further include a cutting guide piece for guiding the cutting portion of the bag 100 to the cutting blade 41. Accordingly, the bag 100 is transferred to the cutting portion 4 by the transfer conveyor 3, the cutting portion is trimmed by the cutting blade 41. This makes the top of the bag horizontal. Thereafter, the fold line forming portion 5 located behind the cutting portion 4 partitions the fold line on the upper portion of the bag 100 through a linear group in which protrusions and grooves are formed on a pair of rollers as shown in FIG. 1D. In the first and second folding portions 6 formed at the rear of the folding line forming portion 5, as shown in FIG. 1E, a bag (eg, a folding line L) is used over the first and second bags. The upper part of the bag is folded twice through the folding machine 61 installed side by side to fold the upper part of 100). Accordingly, the upper portion of the bag 100 passing through the first and second folds 6 maintains a folded state twice as shown in FIG. 1F. Thereafter, the pressing unit 70 passes through a set of rollers 710 such that the folded portion of the bag 100 is not released as in FIG. 1G, and the suture unit 80 sutures the folded part of the bag. do. At this time, the sealing portion 80 is installed by the usual hot melt molding machine to seal the folded portion of the bag by hot melt (HOT MELT).

However, the conventional bag packaging device 1 has the following problems.

First, as the hot melt molding machine installed in the sealing unit 80 for hot melt operation is expensive equipment, the sealing unit 80 acts as a factor to increase the manufacturing cost of the packaging device.

Second, when the hot melt molding machine is applied to the seam, the seam of the bag needs to be preheated, and the adhesive made of thermoplastic resin is applied to the bag preheated in the molten state, and then cooled. There is a problem that the work efficiency is reduced as required.

In order to solve the above problems, the "packing packaging device and packaging method" registered by the applicant of the Republic of Korea Patent No. 671012 has been proposed. In the pre-registration of the invention, the two folding portions of the bag in the pressing step are passed between the guide module and the pressing module to flatten the adhesive surface of the two folding parts of the bag, and the sealing portion has an adhesive tape for taping the two folded parts of the bag. Is prepared in the adhesive module, cutting the adhesive tape to a predetermined size and then adhered to the adhesive surface of the double folded portion of the bag to solve the general problem that occurs when applying the conventional hot melt molding machine.

However, the above-described line registration is a plurality of units to implement the step of applying the adhesive of the liquid adhesive on one side of the adhesive tape, cutting the adhesive tape and the direction of the adhesive tape to supply the adhesive module of the sealing portion There is a problem that the manufacturing cost increases as it is configured. In addition, since the adhesive contained in the adhesive container has to be refilled into the adhesive container periodically when it is exhausted, its work is cumbersome, and the adhesive is separated from the adhesive tape by a complicated movement process until the adhesive applied to one side of the adhesive tape is adhered to the bag. There is a problem to contaminate other components.

Therefore, the present invention was devised to solve the general problems of the pre-registered bag packaging device,

The technical problem to be achieved by the present invention is a bag that can reduce the manufacturing cost by minimizing the movement path of the adhesive tape with the simplification of the construction unit by sealing the upper portion, that is, the portion to be sealed using the adhesive coated adhesive tape. The present invention provides a packaging apparatus and a packaging method.

Another technical problem to be achieved by the present invention is to eliminate the hassle of refilling the liquid adhesive by eliminating the use of the liquid adhesive, as well as the bag packaging device that can prevent the contamination of the other unit by the liquid adhesive. Is in providing.

As a specific means of the present invention for achieving the above object;

An installation frame is installed at the rear, and a lower portion thereof includes a main body provided with a conveying conveyor for moving the bag filled with contents;

A cutting part installed at one side of the main body and provided with a cutting blade for cutting an upper portion of the bag flowing into the main body;

A fold line forming unit installed at the main body to be located at the rear of the cutting unit and having a linear group for forming a fold line at the top of the bag;

A folding part installed on the main body so as to be located behind the folding line forming part, and having a set of folding parts;

A pressing part installed at the main body to be located at the rear of the folding part and having a pressing roller; And

Including a suture is installed in the rear of the pressing portion,

The seal unit includes an adhesive tape supply module, an adhesive module including first and second heat transfer plates, a cooling module including first and second cooling blocks having a plurality of air holes, and a front and rear sides of the cooling module. It is achieved by having a bag packaging apparatus characterized by consisting of first and second pressing rollers respectively installed.

In an exemplary embodiment, the adhesive tape supply module includes an adhesive tape roll on which one side of an adhesive coated adhesive tape is wound, a tape holder driven up and down to control movement of the adhesive tape, and the adhesive tape. A wrapper that folds the adhesive tape so that the adhesive coated surface is located on the inner surface thereof and covers the upper portion of the bag, a moving roller for moving the bag covered with the adhesive tape, and cutting the adhesive tape. It can be configured to include a cutter for.

In a preferred embodiment, the sealing unit is installed at the lower front side of the moving roller and senses the entry oil and nothing of the turret moving on the conveying conveyor and generates a signal for elevating the tape holder and driving signal of the moving roller. A first detection sensor, a second detection sensor installed at a lower portion of the moving roller to detect an end portion of the bag moving on the conveying conveyor, and generating a stop signal of the moving roller and a driving signal of the cutting machine; And a driving signal for supplying air to the first and second cooling blocks of the cooling module after detecting the entry and exit of the bag that is installed in the front lower portion of the cooling module and transported by the transfer conveyor. It may include three detection sensors.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a plan view for explaining the overall configuration of the bag packaging apparatus according to the present invention.

Referring to Figure 2, the bag packaging device 1 of the present invention is provided with a mounting frame in the rear of the main body, each component is installed as in the conventional, the lower portion of the main body is filled with the contents as shown in FIG. A transport conveyor for transporting the bag 100 is installed. At this time, each of the components installed in the main body is formed of a cutting portion 4, the fold line forming portion 5, the folding portion 6, the pressing portion 70, and the suture portion 8 in sequence, It further includes a control box (C) for controlling each component.

Figure 3 is a side configuration diagram for explaining the sealing portion in the bag packaging apparatus according to the present invention, Figure 4 is a plan view for explaining the sealing portion in the bag packaging apparatus according to the present invention.

3 and 4, in the present invention, in the sealing unit 8, the adhesive tape supply module 81, the adhesive module 82, the cooling module 84, and the cooling module ( 84 and first and second pressing rollers 83 and 85 provided respectively at the front and the rear.

In this case, the adhesive tape supply module 81 includes an adhesive tape roll 811, a tape holder 812, a wrapper 813, a moving roller 814, and a cutting machine 815. The adhesive tape roll 811 is rotatably installed on an upper side of the main body 2 to supply the adhesive tape 816. The adhesive tape 816 wound on the adhesive tape roll 811 is coated with an adhesive on one surface thereof, and the adhesive melts when a predetermined heat is applied to generate adhesive force. The tape holder 812 is installed in the vicinity of the adhesive tape roll 811 to perform the function of intermittent movement of the adhesive tape 816. For this purpose, the tape holder 812 is an air cylinder (not shown). Is shown in the figure). In this case, in order to smoothly pull out the adhesive tape 816 from the adhesive tape roll 811, it is preferable to provide a guide roller between the adhesive tape roll 811 and the tape holder 812. The wrapper 813 is installed below one side of the tape holder 812, that is, the rear side of the pressing unit 70 described above, so that the adhesive coated surface of the adhesive tape 816 is positioned on the inner surface thereof. The tape 816 is folded to cover the top of the bag. Such a wrapper 813 is provided with wings spread on both sides as shown in Figure 3 to fold the adhesive tape 816 of the planar shape ("-") in the form of "∧", and the pressing unit 70 As a result, the adhesive tape 816 is applied to the bonding portion (folded portion twice) of the bag 100, which is supplied with the upper portion firmly folded twice. The moving roller 814 is composed of a rotating roller and a selection driving roller that is rotated by an air cylinder to selectively abut on the rotating roller. The moving roller 814 is driven by the generated signals of the first and second sensing sensors S1 and S2, which will be described later, and the adhesive tape 816 is covered by the driving portion of the moving roller 814. The turret is moved backwards. The cutting machine 815 is configured to include a fixed blade and a rotary blade hinged to one end of the fixed blade and driven by an air cylinder. The cutting machine 815 is operated in a state where the moving roller 814 is stopped by the generation signal of the second detection sensor S2 which will be described later.

The adhesive module 82 has a configuration in which three sets of first and second heat transfer plates 821 and 822 arranged side by side face each other. The adhesive module 82 is coated on the inner surface of the folded adhesive tape 816 by pressing the joint portion of the bag covered by the above-mentioned moving roller 814 and generating heat transfer. Melt the adhesive to firmly attach the adhesive tape 816 to the adhesive site. To this end, one side of each of the heat transfer plates 821 and 822 is provided with a link driver, for example, a link driver coupled to or spaced from the first and second heat transfer plates by a moving bar operated by an air cylinder.

The cooling module 84 includes first and second cooling blocks 841 and 842 in which a plurality of air holes 843 are drilled. Each of the cooling blocks 841 and 842 performs a function of cooling the adhesive tape 816 bonded by the adhesive melting method by the heat transfer in the adhesive module 82 to maintain a firm adhesive state. The second cooling block 84 is disposed at predetermined intervals so that the junction of the bag can move, and is connected to an external air supply source to blow air through a plurality of air holes 843 to cool the junction of the bag. do. At this time, the time to supply air to the cooling module 84 is determined by the generation signal of the third detection sensor (S3) to be described later, it is driven to inject air only for a predetermined time by a separate timer.

The first and second pressing rollers 83 and 85 which are respectively installed at the front and the rear of the cooling module 84 are respectively provided with a knurled rotary roller and a pressing roller made of rubber. Preferably provided with means for adjusting the tension. At this time, the first pressing roller 83 pressurizes the bonding portion of the bag to which the adhesive tape 816 is attached by passing through the adhesive module 82 and transfers the bag to the cooling module 84. In addition, the second pressing roller 85 pressurizes again the junction part of the bag that has passed through the cooling module 84 and discharges the bag out of the main body.

Referring to FIG. 2 again, the sealing unit 8 further includes first, second and third detection sensors S1, S2, and S3. Each of the detection sensors (S1, S2, S3) is located at the bottom of the suture 8, that is, the lower side of the main body 2, and performs a function of detecting the moving position of the bag. The signals sensed by S1, S2, and S3 are transmitted to the control box C and converted into signals for controlling the driving of each component of the suture unit 8. At this time, the first detection sensor (S1) is installed on the lower front side of the moving roller 814 is a signal for lifting the tape holder 812 after detecting the presence or absence of the entry of the turret moving in the conveying conveyor And a driving signal of the moving roller 814. In addition, the second detection sensor (S2) is installed in the lower portion of the moving roller 814 to detect the end of the turret moving on the conveying conveyor and then the stop signal of the moving roller 814 and the cutting machine ( 815 generates a drive signal. On the other hand, the third detection sensor (S3) is installed in the front lower portion of the cooling module to detect the entry and exit of the bag conveyed by the conveying conveyor, the first and second cooling of the cooling module 84 A drive signal for supplying air to blocks 841 and 842 is generated.

5 is a front configuration diagram for explaining the installation frame in the bag packaging apparatus according to the present invention.

Referring to FIG. 5, the mounting frame 9 located at the rear of the main body 2 has a lifting module 91 for lifting the main body 2 up and down, for example, a cross-axis driving gear 911 and a guide roller 912. : A lifting module 91 provided with guide rollers installed on all sides of the installation frame is provided, and the mounting frame 9 is closely adhered to the wall surface of the place where the main body 2 is installed. Plate 92 is further provided.

Thus, a bag packaging method by the bag packaging apparatus according to the present invention having the configuration as described above will be described.

Figure 6a is a block diagram illustrating a state in which the bag is put into the bag packaging apparatus according to the present invention bonded by the adhesive tape, Figure 6b is a configuration showing the state of the bag is sealed by the bag packaging apparatus according to the present invention. It is also.

6A and 6B, the bag packaging apparatus 1 of the present invention trims the upper portion of the bag 100 which is transported by the transfer conveyor 3 and introduced into the main body in the cutting unit 4, and fold line formation. Comparting a plurality of fold line on the top of the bag 100 in the section (5), folding the upper portion of the bag two times on the basis of the fold line in the fold (6) to form a junction site 110 In the step, the bonding part of the bag is pressed in the pressing unit 70 so as not to be released, the sewing unit to implement the bag operation through the step of sewing the junction portion 110 of the bag 100 in the bag (100).

At this time, in the sealing unit 8, as shown in FIG. 3, the bonding tape 816 remains in the moving roller 814 before the bag 100 is transferred to the sealing unit 8. In the standby state of the sealing unit 8, when the first bag packaging device 1 is driven, a worker manually folds the adhesive tape 816 and inserts it into the wrapper 813, and then moves the end of the adhesive tape 816. The roller 814 is bitten, and at this time, the tape holder 812 is lifted to smoothly pull out the adhesive tape 816 from the adhesive tape roll 811.

Subsequently, when the bag 100 is moved in the pressing part 70, the joint part 110 of the bag 100 flows into the wrapper 813, and the adhesive tape 816 inserted into the wrapper 813 is joined to the joint part 110. The first detection sensor S1 detects the bag 100 and drives the moving roller 814 to cover the bag 100 in which the adhesive tape 816 is covered by the bonding part 110. 82) to the rear. At this time, the second detection sensor (S2) detects a state in which the bag is transported to the rear to stop the moving roller 814 and to operate the cutting machine 815 to bond the adhesive tape 816 to the bag of the bag 100 When the cutting machine 815 operates, the tape holder 812 is lowered to prevent the adhesive tape 816 from being pulled from the adhesive tape roll 811, and the adhesive tape 816 is cut at this time. Is in the initial state, that is, the adhesive tape 816 is half folded, and is fitted to the wrapper 813 and the end of the adhesive tape 816 is held in the state of being bitten by the moving roller 814.

On the other hand, the bonding portion 110 of the bag 100 transferred to the bonding module 82, that is, the bonding portion 110 in a state where the adhesive tape 816 is covered by the heat generated from each heat transfer plate (821, 822) The adhesive coated on the tape 816 is melted to attach the adhesive tape 816 to the joint 110 of the bag 100. The adhesion time of the adhesive module 82 is preferably controlled in the control box (C) according to the characteristics of the adhesive and the heating temperature of each heat transfer plate (821, 822).

Then, when the attachment of the adhesive tape 816 in the adhesive module 82 is finished, the control box (C) drives the first pressing roller 83 to transfer the bag 100 to the rear of the cooling module 84 is located. The third detection sensor S3 detects a transport state of the bag 100 and supplies air to each cooling block 841 and 842 of the cooling module 84. The cooling time of the cooling module 84 is set by a separate timer as described above, and after the cooling is completed, the second pressing roller 85 is driven to discharge the bag 100 to the outside of the main body 2. Done.

Therefore, the bag packaging apparatus of the present invention can continuously pack the bag by repeating the above process.

As described above, in the bag packaging apparatus according to the present invention in sealing the junction of the bag using an adhesive-coated adhesive tape, each component of the seal is configured so as to correspond to the direction of the bag of the simplification of work and By minimizing the movement path of the adhesive tape, there is an effect that can reduce the manufacturing cost. In addition, by eliminating the use of the liquid adhesive has the advantage of eliminating the need to refill the liquid adhesive, and also prevent the contamination of the other structural unit by the liquid adhesive.

Claims (3)

An installation frame is installed at the rear, and a lower portion thereof includes a main body provided with a conveying conveyor for moving the bag filled with contents; A cutting part installed at one side of the main body and provided with a cutting blade for cutting an upper portion of the bag flowing into the main body; A fold line forming unit installed at the main body to be located at the rear of the cutting unit and having a linear group for forming a fold line at the top of the bag; A folding part installed on the main body so as to be located behind the folding line forming part, and having a set of folding parts; A pressing part installed at the main body to be located at the rear of the folding part and having a pressing roller; And Including a suture is installed in the rear of the pressing portion, The seal unit includes an adhesive tape supply module, an adhesive module including first and second heat transfer plates, a cooling module including first and second cooling blocks having a plurality of air holes, and a front and rear sides of the cooling module. Bag packaging device characterized in that composed of first and second pressing rollers respectively installed. The method of claim 1, The adhesive tape supply module of the sealing unit is an adhesive tape roll coated with an adhesive tape coated on one surface thereof, a tape holder driven up and down to control movement of the adhesive tape, and an adhesive of the adhesive tape is coated. A wrapper which folds the adhesive tape so as to be positioned on an inner surface thereof and covers the upper portion of the bag, a moving roller for moving the bag covered with the adhesive tape, and a cutter for cutting the adhesive tape. Bag packaging apparatus characterized in that configured to include. The method of claim 2, The sealing unit is installed on the lower front side of the moving roller and detects the entry of the bag to move on the conveying conveyor, the first sensing sensor for generating a signal for lifting the tape holder and the drive signal of the moving roller after sensing And a second detection sensor installed at the lower portion of the moving roller to detect an end portion of the bag moving on the conveying conveyor and generating a stop signal of the moving roller and a driving signal of the cutter, and the cooling module. A third sensing sensor is installed at the front lower part and detects whether the bag is transported through the transfer conveyor and generates a driving signal for supplying air to the first and second cooling blocks of the cooling module. Bag packaging apparatus characterized in that included.

Images