JP2003312615A - Box taping device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a box taping device for efficiently and speedily taping a box. <P>SOLUTION: A taping unit 3 is held at a working position S<SB>1</SB>, and a taping unit 4 is held at a siding position S<SB>4</SB>when a box body 1 is being taped. In this condition, the taping of the opening of the box body 1 is continued by the taping unit 3. When no tape is left on the tape wound body of the taping unit 3, this condition is detected by an optical sensor, and the detected signal is input in a control device controlling the box taping device. The control device operates the cylinder 5c of a forward/backward moving mechanism 5 and the cylinder 6c of a forward/backward mechanism 6 for siding the taping unit 3 from the work position S<SB>1</SB>to the siding position S<SB>2</SB>based on the signal, and the taping unit 4 mounted with a new tape wound body advances to a work position S<SB>3</SB>from the siding position S<SB>4</SB>for continuing the taping of the opening of the box body 1 by the unit 4. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box-sealing device for sealing an opening of a box body made of cardboard paper or the like.

[0002]

2. Description of the Related Art In general, the work of packing a product in a box made of cardboard paper is performed by raising the folded paper box in three dimensions to form a rectangular tube, and sealing one opening. It includes the work of boxing, the work of housing the product from the other opening, and the work of sealing the other opening.
Among them, the sealing work of the opening is performed in a mode as shown in FIG. 4, for example.

As shown in FIG. 1 (a), the box body 1 is composed of a rectangular tubular side portion 1a and flaps 1c1 and 1c2 which are foldably provided around the edges of both end openings 1b of the side portion 1a. Composed. In the state shown in FIG. 3A, the lower opening 1b has already been sealed.

As for the flaps, a pair of opposing ones (for example, flap 1c1) is an inner flap, and another pair of opposing ones (for example, flap 1c2) is an outer flap. First, the inner flap 1c1 is on the side of the opening 1b. Then, the outer flap 1c2 is bent toward the opening 1b side and overlapped with the inner flap 1c1 {(d), (e) in the figure}. After that, the outer flap 1c2
Adhesive tape T is attached to the abutting part of the outer flap 1
Seal between c2 {(f) in the same figure}.

As an apparatus for automatically performing the packaging work using the adhesive tape as described above, for example, Japanese Patent Laid-Open No. 6-171614
The one described in Japanese Patent Publication is known. The boxing device described in the same issue is equipped with a taping head, and this taping head has a tape mounting portion to which a tape winding body of an adhesive tape is mounted and an adhesive tape pulled out from the tape winding body outside the box body. It is provided with a sticking roller for sticking between the flaps and a cutter blade for cutting the adhesive tape.

In recent years, a bag container called a standing pouch has become popular as a container for containing fluid contents (for example, a cleaning liquid such as household detergent or shampoo, and food such as curry roux or stew). ing.
Further, as for PET bottle beverages, those having a relatively small volume (500 ml, etc.) are preferred because of convenience in carrying. These products are
Although the unit price of the product is low, it has the characteristic that the sales volume is large, and it is required to further improve the efficiency and speed of the boxing work and the packaging work of the product.

[0006] However, in the box-sealing device described in the above publication, the remaining amount of the tape winding body mounted on the taping head is exhausted, and it is necessary to stop the device when replacing the tape winding body with a new one. However, it is inevitable that the boxing work and the boxing work will be delayed. The same situation occurs when some trouble occurs in the taping head. Therefore, according to the packaging device described in the above publication, there is a limit to the efficiency and speed of the packaging work.

An object of the present invention is to provide a box-sealing device capable of further increasing the efficiency and speed of the box-sealing work.

[0008]

[Means for Solving the Problems]

In order to solve the above problems, the present invention provides a box-sealing device for sealing the opening of the box body by sealing the space between the flaps bent toward the opening side of the box body with an adhesive tape. A plurality of taping units each having a tape mounting portion to which the tape winding body of the adhesive tape is mounted, and a sticking roller for pressing and sticking the adhesive tape pulled out from the tape winding body to a required portion of the box body, Each of the plurality of taping units is arranged so as to be able to move back and forth between a work position for carrying out the box-sealing work of the box and a retracted position retracted in a predetermined direction from the work position. When one is in the working position, the other is retracted to the retracted position, and the taping unit in the working position is retracted to the retracted position based on the signal that detects the predetermined state of the taping unit in the working position. Rutotomoni, one taping unit located in the retracted position provides a structure to move advanced into a working position.

Here, the "predetermined state of the taping unit" includes information on the remaining amount of the adhesive tape of the tape winding body, information on the structural and functional trouble of the taping unit, and the like.

In the above, each of the plurality of taping units may be detachably mounted on an advancing / retreating mechanism capable of advancing / retreating between the working position and the retracted position.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 and FIG. 2 conceptually show the overall construction of the box sealing device of this embodiment. The box 1 made of cardboard paper or the like is
The flap of the opening (1b) is bent in the mode shown in FIG. 4, and the outer flap (1c2) is conveyed to the downstream box-sealing device B in a state of being overlapped with the inner flap (1c1). Then, the opening (1b) is sealed by the sealing device B and then discharged to the stage C on the downstream side.

The box-sealing device B is a conveying means for conveying the box 1 to the downstream side, for example, a belt conveyor 2, and a plurality of, for example, two taping units 3, 4 arranged on the side of the belt conveyor 2, The advancing / retreating movement mechanisms 5 and 6 on which the taping units 3 and 4 are mounted are mainly configured.

As shown in FIG. 2, the forward / backward moving mechanism 5 has a mounting portion 5a on which the taping unit 3 is removably mounted.
And a guide means (a pair of guide bars 5b in the example shown in the same figure) for slidably guiding the mounting portion 5a in the advancing / retreating direction (the vertical direction in the example shown in the same figure), and a driving means for driving the mounting portion 5a back and forth. {Air cylinder 5c in the example shown in the figure}
It has and. Similarly, the advancing / retreating mechanism 6 includes a mounting portion 6a on which the taping unit 4 is detachably mounted, and a guide means for guiding the mounting portion 6a slidably in the advancing / retreating direction (the vertical direction in the example shown in the figure). In the example shown in the figure, a pair of guide bars 6b} and a drive means (in the example shown in the figure, an air cylinder 6c) for driving the mounting portion 6a back and forth are provided.

The taping unit 3 includes an advance / retreat moving mechanism 5
Thus, the box 1 is held at any one of a work position S1 for performing the boxing work and a retracted position S2 retracted from the work position S1 in a predetermined direction (upward in the example shown in the figure).
Further, the cylinder 5c of the forward / backward moving mechanism 5 is operated to move forward / backward between the work position S1 and the retracted position S2. Similarly, the taping unit 4 has
A work position S3 for performing a boxing work of the box 1, and a work position S3
Is held in any one of the retracted positions S4 retracted in a predetermined direction (upward in the example shown in the figure), and the work position S is operated by the operation of the cylinder 6c of the advancing / retreating mechanism 6.
It moves back and forth between 3 and the retracted position S4. During the boxing work of the box 1, one of the taping units 3 and 4 is held at the work position S1 or S3, and the other is at the retracted position S2.
Alternatively, it is held in S4.

FIG. 3 schematically shows the taping unit 3. The taping unit 3 is formed by assembling the first plate 10 and the second plate 11 facing each other at a predetermined interval with the components described below. In the taping unit 3, the first plate 10 and the second plate 11 are fixed to the mounting portion 5a (6a) of the advancing and retracting movement mechanism 5 (6) by an appropriate means such as a mounting bolt. The taping unit 4 is the taping unit 3
The same configuration as described above applies to the taping unit 4 as well.

A tape mounting plate 12 is fixed to the first plate 10, and a rotary boss 13 is provided at the tip of the tape mounting plate 12. A tape winding body 14 formed by winding an adhesive tape T having a sticking surface on one surface in a roll shape has its end face applied to the tape mounting plate 12, and its center hole is detachably fitted to the rotary boss 13. Be worn. The rotating boss 13 is driven to rotate by the pulling force when the adhesive tape T is pulled out from the tape winding body 14.

A fulcrum pin 15 is bilaterally fixed to the first plate 10 and the second plate 11, and one roller arm 16 is rotatably pivotally attached to the fulcrum pin 15. A sticking roller 17 is rotatably supported on the tip of the roller arm 16. Similarly, the first plate 10 and the second plate 1
The fulcrum pin 18 is fixed on both sides to the fulcrum pin 18
The other roller arm 19 is rotatably and pivotally attached thereto. A sticking roller 20 is rotatably supported at the tip of the roller arm 19. The rear end portion of the roller arm 16 and the rear end portion of the roller arm 19 are connected to each other by a link member 21, and both roller arms 16 and 19 are interlocked with each other and rotatable in opposite directions. Further, the rear end portions of the roller arms 19 are connected to the locking pins 23 via the springs 22, and when the box body 1 is not in contact, as shown in FIG. And the sticking rollers 17 and 20 are the first plate 10 and the second plate 1.
The end surface of No. 1 protrudes outward (on the side of the belt conveyor 2). The rotation range of both roller arms 16 and 19 is restricted by the stopper 24.

A fulcrum pin 25 is fixed to the second plate 11 in a cantilever manner, and a cutter arm 26 is rotatably pivotally attached to the fulcrum pin 25. A mounting bracket 27 is attached to the tip of the cutter arm 26, and the mounting bracket 2
A cutter blade 28 is attached to 7. Further, the rear end of the cutter arm 26 is provided with a locking pin 30 via a spring 29.
In the state where the box body 1 is not in contact, the tip end portion of the cutter arm 26 and the cutter blade 28 are located outside the end surfaces of the first plate 10 and the second plate 11 (belt) as shown in FIG. It projects to the conveyor 2 side). The cutter blade 28 is attached to the cutter arm 26 in a state of protruding toward the front side of the drawing. Further, the mounting bracket 27 can be adjusted in position in the longitudinal direction of the cutter arm 26 by the fixing structure of the elongated hole and the mounting bolt. Further, the clockwise rotation of the cutter arm 26 in the figure is restricted by the stopper 35.

The roller arms 16 and 19 and the cutter arm 26 are accommodated in the space between the first plate 10 and the second plate 11, and the positional relationship between the roller arm 16 and the cutter arm 26 is as follows. Is located on the first plate 10 side, and the cutter arm 26 is located on the second plate 11 side.

A guide roller 31 and a guide roller 32 are rotatably supported on the first plate 10 in a cantilever manner, and a guide roller 33 is rotatably supported on the roller arm 16 in a cantilever manner. Further, the guide plate 34 is attached to the roller arm 16.

The adhesive tape T pulled out from the tape winding body 14 is guided in the route of the guide roller 31, the guide roller 32, the guide roller 33, and the guide plate 34, and the front end portion of the adhesive tape T is with the sticking surface facing upward. Is applied to the sticking roller 17.

For example, as shown in FIG. 2, when the taping unit 3 is held at the work position S1 by the advancing / retreating mechanism 5, the taping unit 4 moves in the advancing / retreating mechanism 6.
Is held at the retracted position S4. Stage A on the upstream side
Box 1 with the flap of the opening (1b) bent at
Is transferred onto the belt conveyor 2 with the abutting portion between the outer flaps (1c2) facing the taping unit 3 side, and is conveyed downstream by the belt conveyor 2. At that time, the outer flap (1c2) of the box body 1 is attached to the first plate 10 and the second plate 11 of the taping unit 3.
Is contacted with the end face of the and is guided.

In FIG. 3, when the upper part of the front end surface of the box 1 comes into contact with the sealing roller 17, the tip of the adhesive tape T applied to the sealing roller 17 adheres to the upper part of the front end surface of the box 1. At the same time, as the box body 1 moves in the traveling direction, the roller arm 16 rotates counterclockwise in the figure against the elastic force of the spring 22, and the sealing roller 17 causes the outer flap (1
Transfer to the abutting part between c2). The roller arm 1
9 is a roller arm 16 by the action of the link member 21.
It rotates in the clockwise direction in the figure in conjunction with the rotation of.

The sealing roller 17 that has moved to the abutting portion between the outer flaps (1c2) presses the adhesive tape T against the abutting portion, and the adhesive tape T is abutted as the box 1 moves in the advancing direction. Stick along the part. At the same time, the cutter arm 26 comes into contact with the upper surface of the outer flap (1c2) and rotates counterclockwise in the figure against the spring 29, and the tip end thereof rides on the upper surface of the outer flap (1c2).

On the other hand, the sticking roller 20 of the roller arm 19 which is rotated clockwise in the figure in conjunction with the rotation of the roller arm 16 also moves the outer flap (1c2) as the box 1 moves in the traveling direction. Adhesive tape T affixed to the abutting part between
Press to stabilize the adhered state of the adhesive tape T. While the sticking roller 20 is in contact with the abutting portion between the outer flaps (1c2), even if the sticking roller 17 is disengaged from the rear end of the box body 1 as the box body 1 moves in the traveling direction, The roller arm 16 does not rotate, and the sticking roller 17 maintains the same position.

In this way, the adhesive tape T is pulled out from the tape winding body 14 as the box body 1 moves laterally of the taping unit 3, and the sticking rollers 17 and 20.
Is attached to the abutting portion between the outer flaps (1c2). Then, when the tip end of the cutter arm 26 comes off the rear end of the box body 1, at that moment, the cutter arm 26 rotates in the clockwise direction in FIG. The cutter blade 28 hits the adhesive tape T that is tensioned between the adhesive roller 17 and the adhesive roller 17, and the adhesive tape T is instantly cut. Therefore, the cut end of the adhesive tape T projects from the rear end of the box body 1 by the size between the tip of the cutter arm 26 and the cutter blade 28. The projecting size of the cut end can be adjusted to a desired size by adjusting the position of the mounting bracket 27 to which the cutter blade 28 is attached.

When the sticking roller 20 is disengaged from the rear end of the box 1 as the box 1 moves in the traveling direction, the elastic restoring force of the spring 22 causes the roller arm 19 to move counterclockwise in FIG. When the roller arm 16 is rotated in the clockwise direction in the figure, the sticking roller 17 presses the cut end portion of the adhesive tape T onto the upper rear end surface of the box body 1 to stick it. To wear.

As shown in FIG. 2, when the box 1 is sealed,
For example, the taping unit 3 is held at the work position S1, and the taping unit 4 is held at the retracted position S4. In this state, the taping unit 3 continuously performs the box-sealing work of the opening (1b) of the box body 1 in the above-described manner. Then, when the remaining amount (or the remaining amount of the adhesive tape T) of the tape winding body 14 of the taping unit 3 is exhausted (or decreased), the state is detected by an appropriate detection means such as an optical sensor, and this detection signal is sent. It is input to the control device that controls the box sealing device. Based on this detection signal, the control device actuates the cylinder 5c of the advancing / retreating movement mechanism 5 and the cylinder 6c of the advancing / retreating movement mechanism 6, and the taping unit 3 in which the remaining amount of the tape winding body 14 has run out (or has decreased).
Is retracted from the work position S1 to the retracted position S2,
The taping unit 4 on which the new tape winding body 14 is mounted is advanced from the retracted position S4 to the work position S3, and the taping unit 4 continues the sealing work of the opening (1b) of the box body 1 in the above-described manner. . The tape roll 14 of the taping unit 3 is replaced with a new one while the boxing work by the taping unit 4 is being performed. Then, when the remaining amount of the tape winding body 14 of the taping unit 4 is exhausted (or decreased), the taping unit 4 is retracted to the retracted position S4 based on the detection signal of the detection means, and the taping unit 3 is moved to the working position S1. After advancing, the boxing work by the taping unit 3 is continued. After that, this operation is repeated. Therefore, when replacing the tape winding body 14 with a new one, it is not necessary to stop the device, and the efficiency and speed of the packaging work can be improved as compared with the conventional device.

Further, since the taping unit 3 (4) can be attached to and detached from the mounting portion 5a (6a) of the advancing / retreating movement mechanism 5 (6) in a cassette type, it is easy to attach, repair, and replace it. . Further, even when the structure of the advancing / retreating mechanism is different, the taping unit 3 (4) can be used in common, so that the parts can be made common and the productivity can be improved.

In this embodiment, the retracted position S2 (S4) of the taping unit 3 (4) is moved to the working position S1 (S).
Although it is provided above 3), it may be provided below the work position S1 (S3). Also, taping unit 3 (4)
The advancing / retreating direction is not limited to the vertical direction, but may be the horizontal direction. Furthermore, if necessary, the taping unit should be 3
You may make it arrange | position one or more.

In addition to the remaining amount of the tape winding body 14,
When a structural or functional trouble occurs in the taping unit 3 (4), it may be detected by an appropriate detecting means and the same operation as described above may be performed.

[0034]

According to the present invention, the efficiency and speed of the packaging work can be further improved.

Further, since the taping unit is detachably mounted on the advancing / retreating movement mechanism, the mounting, repair, and replacement work can be facilitated, and at the same time, even when the advancing / retreating mechanism has a different configuration, the taping unit is common. Since the products can be used, it is possible to improve the productivity by sharing the parts.

[Brief description of drawings]

FIG. 1 is a plan view conceptually showing the overall structure of a packaging device according to an embodiment.

FIG. 2 is a plan view conceptually showing the overall structure of the packaging device according to the embodiment.

FIG. 3 is a plan view schematically showing a taping unit.

FIG. 4 is a view showing a box sealing operation of the box body.

[Explanation of symbols]

1 box 1c2 outer flap 3 Taping unit 4 Taping unit 5 Forward / backward movement mechanism 6 Forward / backward movement mechanism 14 Tape roll 17 Sticking roller 20 Sticking roller T adhesive tape S1 work position S2 retracted position S3 work position S4 retracted position

Claims (2)

[Claims] 1. A box-sealing device for sealing the space between the flaps bent to the side of the opening of the box body with an adhesive tape to seal the opening of the box body. Tape mounting section,
A plurality of taping units each having a sticking roller that presses and sticks the adhesive tape pulled out from the tape winding body to a required portion of the box body, and each of the plurality of taping units seals the box body. It is arranged so as to be movable back and forth between a work position for performing box work and a retracted position retracted in a predetermined direction from the work position, and when one of the plurality of taping units is in the work position, Retreat to the retreat position, and based on a signal that detects a predetermined state of the taping unit in the work position, the taping unit in the work position retreats to the retreat position, and moves to the retreat position. A box-sealing device, wherein one of the existing taping units moves forward to the working position. 2. The plurality of taping units are detachably mounted on an advancing / retreating mechanism capable of advancing / retreating between the working position and the retracted position, respectively. The sealing device according to 1.