JPH1086909A - Packaged box sealing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device in which a seal can be automatically bonded to a closed part of a top cover of a packaged box in which a product is stored. SOLUTION: There are provided a transport conveyor for transporting a packaged box whose top cover is closed, a seal delivering mechanism which successively delivers a seal, having a proper length at a seal bonding point in a transport passage of the packaged box, a seal bonding device 30 provided with a seal press mechanism which presses the upper part of the side surface and top part of the cover of the packaged box along these parts, and a transfer device 60 which holds the packaged box on the transport conveyor and moves, the box along the transport passage of the conveyor through the seal bonding point. Since the packaged box is held by the device 60 and supported by the transport conveyor, even if it is pressed by the seal press mechanism, its position is not changed and a seal can be bonded in a stable manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for automatically sealing and closing an upper lid of a packaging box containing various products.
Further, the present invention relates to a device capable of accurately printing on the outer peripheral surface of a packaging box.

[0002]

2. Description of the Related Art In the distribution of various products, the products are stored in a packaging box 100 as shown in FIG. 10, a sealing seal 112 is attached to the closed upper lid 101, and the outer periphery of the packaging box 100 is sealed. A lot number or the like is printed on the surface. Conventionally, the sealing seal 112 is attached using a seal attaching device 110 shown in FIG.

[0003] The seal sticking device 110 is a feeding mechanism (not shown) for feeding the seal 112 to the lower end of the device by a predetermined length, and a feeding mechanism for feeding the fed seal 112 to the packaging box 10.
It is provided with a seal pressing mechanism that presses to zero and sticks it. As shown in the figure, the seal pressing mechanism is provided with a pressing roller 111 which can swing in the direction of the arrow GH and is always urged in the direction of the arrow G. It is provided on the arrow I direction side with respect to the fed-out seal 112. The surface of the seal 112 opposite to the pressing roller 111 is an adhesive surface.

According to this device, as shown in FIG.
The product is stored and moved in the direction of arrow I while pressing the upper surface of the packaging box 100 with the upper lid closed against the lower surface of the device. At that time, the lower end of the seal 112 is attached to the side surface of the packaging box 100, and then the lower end is pressed by the pressing roller 111. Then, with the movement of the packaging box 100, the holding roller 111 swings in the direction indicated by the arrow H, presses the seal against the same part while following the side and top surfaces of the packaging box, and adheres the seal.

Further, printing on the outer peripheral surface of the packaging box has been conventionally performed by an ink jet device or a laser marker shown in FIG. The laser marker emits a CO ₂ laser having a predetermined output from a laser emission port, and performs predetermined printing on an object.

[0006]

However, the sticking operation using the above-described sticking device is performed by hand, which causes not only poor working efficiency but also many working mistakes.
When a product is required to be responsible for management of chemicals or the like, there is a problem that it is necessary to separately inspect whether or not the seal is applied without any problem.

Conventionally, there is no apparatus that automates a series of operations for sticking a seal and printing on a packaging box. To further improve production efficiency, an apparatus that automates these series of operations has been demanded. .

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as one object to provide an apparatus capable of automatically attaching a seal to a closed portion of an upper cover of a packaging box containing a product. Another object of the present invention is to provide a device that can automatically perform a series of operations such as wearing and printing.

[0009]

According to a first aspect of the present invention, there is provided an apparatus for attaching a sealing seal to a closed part of an upper cover of a packaging box containing a product. A conveyor for transporting the packaging box with the upper lid closed, a seal feeding mechanism for sequentially feeding out a sealing seal at an appropriate length to a sticking position in the transport path of the packaging box, and a feeding mechanism in the feeding direction of the packaging box. A seal sticking device provided on the lower side of a seal feeding mechanism and provided with a seal pressing mechanism for pressing the upper side and upper lid of the packaging box following the upper side and upper lid of the packaging box, and the packaging box on the transport conveyor And a transfer device for gripping and moving the packaging box along the transport path of the transport conveyor and passing the packaging box to the seal sticking position.

[0010] According to this apparatus, the transport conveyor transports the packaging box storing the product and closing the upper lid through the predetermined transport path. Next, the transfer device grasps the packaging box in the middle of the transportation, and causes the packaging box to pass through the transportation path of the transportation conveyor to the seal sticking position. At this sticking position,
The fed-out seal end is attached to the upper side surface of the packaging box, and then the seal is pressed against the upper side surface and the upper lid of the packaging box by the seal holding mechanism, and is firmly adhered to the same portion. At that time, since the packaging box is gripped by the transfer device, even if the seal holding mechanism presses the side surface of the packaging box,
The attitude does not change, and the packaging box is supported by the transport conveyor when the seal pressing mechanism presses the upper lid portion of the packaging box, so that the attitude does not change similarly.

Then, the packaging box after the sticking of the seal is completed,
It is transported to a predetermined place by the transport conveyor.

Further, the invention described in claim 2 is provided with a printing device for performing printing on the outer peripheral surface of the packaging box, and the transfer device according to the invention according to claim 1 is configured such that the packaging box is attached to the seal sticking position. And a print position.

According to this device, the sticking of the seal on the packaging box and the printing on the outer peripheral surface of the packaging box can be continuously and automatically performed.

According to a third aspect of the present invention, there is provided a positioning member which moves forward and backward on the transport path of the transport conveyor according to the first or second aspect of the present invention, and the position of the packaging box in the lateral direction of the transport by the positioning member. And a positioning mechanism for positioning is provided at a packaging box input position of the transport conveyor.

According to this device, first, the positioning member of the positioning mechanism is advanced on the transport path of the transport conveyor, the packaging box is positioned in accordance with the advance, the positioning member is retracted, and then the transport conveyor is driven. To transport the packaging box. Thereby, the position of the packaging box in the transport left-right direction is constant, and the position of the sticker to be stuck is constant. Also,
Since the distance between the printing device and the packaging box is constant, stable and clear printing can be performed.

[0016]

Next, a packaging box sealing device according to a specific embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front view showing the whole of the apparatus, and FIG. 2 is a plan view thereof. As shown in FIGS. 1 and 2, the apparatus comprises a weighing device 1, a positioning mechanism 10, and a transport device 20.
, A sticking device 30, a printing device 50, a transfer device 60, and a discharge device 80. As shown in FIG. 9, the control device 90 is connected to these devices and controls the operation thereof. It is provided with. Hereinafter, details of each device will be described.

A. Transport device.

As shown in FIGS. 1 and 2, the conveyor 20 includes a belt conveyor 21, a gantry 22 for supporting the belt conveyor 21, and a belt conveyor 21 along a conveying direction (the direction of arrow A).
A first guide bar 23 and a second guide bar 24 provided at predetermined intervals, a support bar 25 for supporting the first guide bar 23 and the second guide bar 24 so as to be movable in the arrow CD direction, A support plate 26 for supporting the support bar 25 is provided. The gantry 22 is a belt conveyor 2
1 and other devices such as the above-described measuring device 1, positioning mechanism 10, seal sticking device 30, printing device 50, transfer device 60, and discharging device 80 are supported.

B. Weighing device.

As shown in FIGS. 1 and 2, the weighing device 1 is provided on the upper side of the belt conveyor 21 in the direction indicated by the arrow A. As shown in FIG. 3, the belt conveyor 2 and the belt conveyor 2 are supported. The support frame 3, a load cell 4 provided at the lower end of the support frame 3, a support base 5 for supporting the load cell 4, and a signal from the load cell 4 are processed to calculate the weight of the object and display the result. It comprises a processing / display device 6 and a transfer plate 7 provided between the belt conveyor 2 and the belt conveyor 21.

The belt conveyor 2 includes a drive roller 2a, a driven roller 2b, a guide roller 2c, and a guide roller 2d which are appropriately arranged.
b, endless belt 2e wound around guide roller 2c and guide roller 2d, and drive means (not shown) for driving drive roller 2a to move belt 2e in the direction of arrow A.
And a support plate 2f that supports the drive roller 2a, the driven roller 2b, the guide roller 2c, and the guide roller 2d.

Then, the belt conveyor 21 and the belt conveyor 2 form a series of transport paths for transporting the packaging box 100, and the packaging box 100 is put on the belt conveyor 2.

C. Positioning mechanism.

As shown in FIG. 2, the positioning mechanism 10 includes an air cylinder 12, a positioning member 11 provided at the tip of a piston rod of the air cylinder 12, and a sensor (not shown) for detecting the presence or absence of the packaging box 100. It is provided with. By driving the air cylinder 12, the positioning member 11 moves in the CD direction, and moves forward and backward between the first guide bar 23 and the second guide bar 24.

D. Seal sticking device.

As shown in FIGS. 1 and 2, the seal sticking device 30 is provided on the lower side of the weighing device 1 in the direction of arrow A, and as shown in FIG. It comprises a support adjustment mechanism 35 for supporting, a support base 34 for supporting the support adjustment mechanism 35, and a seal detection sensor 43 provided on the outer surface of the support base 34 at the end in the direction of arrow A.

The main body 31 is provided with a seal feeding mechanism for feeding a seal 32 to a lower end by an appropriate length, and a pressing roller 33 swingable in the direction of the arrow EF, and a seal for urging the pressing roller 33 in the direction of the arrow E. A holding mechanism is provided inside. The pressing roller 33 is provided on the lower side in the direction of arrow A of the seal 32 fed out from the lower end of the main body 31.

As shown in FIG. 4, the support adjusting mechanism 35 includes a male screw 36 for adjustment, a female screw 37 for screwing with the male screw 36, and a handle provided at an upper end of the male screw 36 for adjustment. 38, a locking member 39 that engages with the lower end of the adjusting male screw 36, a guide bar 41 erected at a square on the upper surface of the main body 31, and a guide bush 42 that engages with the guide bar 41. It is provided. An adjusting female screw 37 is provided at a substantially central position of the upper end of the support base 34, and a guide bush 42 is provided at a square position corresponding to the guide bar 41.
Are provided respectively. The locking member 39 is a member having a U-shaped section, and as shown in FIG.
1 is fixed substantially at the center of the upper surface.

The lower end of the adjusting male screw 36 penetrates the locking member 39, and a retaining ring 40 is locked at the tip inside the locking member 39. It is rotatable with respect to 39. Thus, when the handle 38 is rotated, the adjusting male screw 36 moves up and down,
The main body 31 moves up and down with the vertical movement of the adjusting male screw 36. When handling packaging boxes 100 having different heights, the height position of the main body 31 can be adjusted by the support adjustment mechanism 35, and the seal 32 and the pressing roller 33 can be set to the optimal positions with respect to the packaging box 100. The main body 31
Since the is guided by the guide bar 41 and the guide bush 42, it can move up and down smoothly.

The seal detecting sensor 43 is a sensor for detecting the presence or absence of the seal 32 attached to the packaging box 100. In this device, a predetermined amount of light is applied to the seal 32, and the amount of reflected light is And a sensor that outputs an ON signal when the amount of received light exceeds a predetermined amount is used.

E. Printing device.

As shown in FIGS. 1 and 2, the printing device 50 includes a laser marker 51, a CCD camera 53, and a light 5.
4, sensors 57 and 58, and a processing / display device 56.

As shown in FIG. 5, the laser marker 51 emits a CO ₂ laser having a predetermined output from a laser emission port 52 to perform predetermined printing on an object. The laser marker 51 is provided on the side of the belt conveyor 21 such that the laser emission port 52 is located on the lower side of the seal sticking device 30 in the direction of arrow A.

As shown in FIG. 1, a CCD camera 53 and a light 54 are provided below the laser marker 51, and the CCD camera 53 and the processing / display device 56 are connected. The processing / display device 56 is a CCD
It receives a signal from the camera 53, performs pattern identification processing, and displays the result.

The sensors 57 and 58 are photoelectric sensors, and the packaging box 1 conveyed on the belt conveyor 21.
00 is detected.

F. Transfer equipment.

As shown in FIGS. 1 and 6, the transfer device 6
Numeral 0 is for gripping the packaging box 100 placed and conveyed on the belt conveyor 21 and passing it through the seal sticking position and the printing position, and includes a slide unit 61, a ball screw 62, and a first rotary actuator 63. , The second rotary actuator 64, the first grip arm 65, the second
A grip arm 66, a shock absorber 69, and a limit switch 71 are provided.

The slide unit 61 includes a slide plate 61a supported by a support block 68 and a saddle 61b engaged with the slide plate 61a. The saddle 61b is movable in the directions of arrows AB. .

The ball screw 62 is connected to the saddle 61b.
Female screw 62b fixed to the lower end of the male screw and male screw 62a engaged with the female screw 62a and having both ends supported by the support block 67.
And a male screw 62 by driving means (not shown).
By rotating a, the female screw 62b moves in the direction of arrow AB. In addition, a shock absorber 69 and a limit switch 71 fixed to the support base 70 are provided at the end of the saddle 61b that moves in the direction of arrow A. Note that the support block 67, the support block 68, and the support base 70 are provided on a support plate 72 that forms the gantry 22.

The first rotary actuator 63 and the second rotary actuator 64 are provided at predetermined intervals on the saddle 61b, and the first gripping arm 65 is attached to the rotation shaft 63a of the first rotary actuator 63. Rotary shaft 64 of second rotary actuator 64
a is provided with the second gripping arms 66 respectively. As shown in FIG. 8, the first rotary actuator 63 and the second rotary actuator 64
3a and 64a are rotated about the axis, and the first gripping arm 6 is rotated.
(5) The second gripping arm 66 is rotated between a position above the belt conveyor 21 (a position indicated by a solid line) and a retreat position (a position indicated by a two-dot chain line) off the belt conveyor 21. As shown in the figure, a sensor 73 is provided at an appropriate position near the second gripping arm 66, and the sensor 73 detects the packaging box 100 conveyed on the belt conveyor 21. Needless to say, the saddle 61b
The ball screw 62 as a means for driving the motor can be replaced by another driving means such as an air cylinder.

G. Discharge device.

As shown in FIGS. 1 and 2, the discharge device 80 is provided at the end of the belt conveyor 21 in the direction of the arrow A, and supports the discharge plate 84 and the plate movably in the directions of the arrows CD. A slide unit 83, a support frame 81 and a support frame 82 for supporting the slide unit 83, and an arrow C
It comprises a discharge chute 85 provided on the side of the belt conveyor 21 on the direction side, and a sensor (not shown) for detecting the packaging box 100 reaching the discharge position.

Next, the operation of the packaging box sealing device having the above configuration will be described.

First, the control device 90 drives the air cylinder 12 of the positioning mechanism 10 to move the positioning member 11 between the first guide bar 23 and the second guide bar 24, and enters a standby state. The saddle 61b of the transfer device 60 is indicated by an arrow B.
At the end position in the direction, the first grip arm 65 is at the position shown by the two-dot chain line in FIG. 8, the second grip arm 66 is at the position shown by the solid line, and the discharge plate 84 of the discharge device 80 is in the direction of arrow D shown in FIG. Assume that they are at the end positions.

Next, as shown in FIG. 2, the packaging box 100 with the upper lid closed is placed on the belt conveyor 2 in a state of contact with the positioning member 11, and a sensor (not shown) detects the packaging box 100. Then, the control device 90 sets the air cylinder 1
2 is driven again to move the positioning member 11 backward. still,
By bringing the packaging box 100 into contact with the positioning member 11, the position of the packaging box 100 in the direction of the arrow CD is determined.

Next, the control device 90 activates the processing / display device 6 of the weighing device 1 to measure the weight of the packaging box 100 and determine whether or not the measured weight is within a preset range. The result is displayed and the appropriateness data is received. Thereafter, the driving roller 2a is driven to drive the belt 2
e. The upper packaging box 100 is moved in the direction of arrow A. At the same time, the control device 90 drives the belt conveyor 21 and
The packaging box 100 is moved from the belt conveyor 2 to the belt conveyor 21. At this time, since the transfer plate 7 is provided between the belt conveyor 2 and the belt conveyor 21, even if the packaging box 100 is narrow, the packaging box 100 does not fall over at the same part, Can be moved. In this device, the packaging plate 100 was prevented from overturning by providing the transfer plate 7.
This may be achieved by using a knife-edge type conveyor in which the diameters of the roller and the driven roller 2b are made as small as possible.

Packaging box 1 moved onto belt conveyor 21
00 is conveyed along the belt conveyor 21 and abuts the second gripping arm 66 located above the belt conveyor 21. At the same time, the sensor 73 detects the packaging box 100 and transmits a detection signal to the control device 90. In response to this, the control device 90 stops the belt conveyor 21 and drives the first rotary actuator 63 to rotate and move the first gripping arm 65 to a position above the belt conveyor 21, as shown in FIG. The packaging box 100 is gripped by the first gripping arm 65 and the second gripping arm 66.

Next, the control device 90 drives the ball screw 62 to move the saddle 61b of the slide unit 61 in the direction indicated by the arrow A.
Move to the direction moving end. Accordingly, the packaging box 100 moves while the lower surface thereof is in contact with the upper surface of the belt conveyor 21 in a state where the packaging box 100 is gripped by the first grip arm 65 and the second grip arm 66. Then, during this movement, as shown in FIG. 4, the packaging box 100 passes through the sticking position of the sticking device 30. When the packaging box 100 moves in the direction of arrow A at this sticking position, the lower end of the seal 32 is
00 and then pressed by a pressing roller 33. Then, with the movement of the packaging box 100, the pressing roller 33 swings in the direction of arrow F, presses the seal 32 against the same part while following the side and top surfaces of the packaging box, and adheres the same. When the pressing roller 33 presses the packaging box 100, the packaging box 100 receives a predetermined acting force, but the lower surface of the packaging box 100 is supported in contact with the upper surface of the belt conveyor 21. Is firmly gripped by the first gripping arm 65 and the second gripping arm 66, so that when the seal 32 is attached, the packaging box 100
Does not shift.

Next, the packaging box 100 passes below the seal detection sensor 43. Then, the presence or absence of the seal 32 attached to the packaging box 100 is detected by the seal detection sensor 43, and the suitability is outputted from the seal detection sensor 43 to the control device 90 as data.

Thereafter, the packaging box 100 reaches the moving end in the direction of the arrow A. As described above, the moving end is provided with the shock absorber 69, and the shock absorber 69 absorbs the kinetic energy of the saddle 61b. Stop this without impact. Then, it is detected by the limit switch 71 that the saddle 61b has reached the movement end in the arrow A direction,
The packaging box 100 is detected by the sensor 57 shown in FIG.

Next, the control device 90 drives the first rotary actuator 63 and the second rotary actuator 64 to control the first grip arm 65 and the second grip arm 66.
Is rotated off the belt conveyor 21 (a position shown by a two-dot chain line in FIG. 8), and then the ball screw 62 is driven to move the saddle 61b in the direction of arrow B, and the saddle 61b is moved in the direction of arrow B. After reaching the end, the second rotary actuator 64 is driven to rotate the second gripping arm 66 so as to be positioned above the belt conveyor 21.

On the other hand, the control device 90 receives the detection signal of the sensor 57, drives the laser marker 51, performs predetermined printing on the outer peripheral surface of the packaging box 100, and after the printing is completed, drives the belt conveyor 21 again. To move the packaging box 100 in the direction of arrow A. The packaging box 100 moves on the belt conveyor 21 in the direction indicated by the arrow A, and is detected by the sensor 58. At the same time, the packaging box 10 is
The image data of the printed portion applied to the outer surface of the zero is input to the processing / display device 56. The processing / display device 56 receives the detection signal of the sensor 58 and performs a pattern identification process, that is, compares the input image data with a preset reference pattern and determines whether the difference is within an allowable error. Starts the process of determining, displays the result,
The propriety data is output to the control device 90.

Incidentally, the packaging box 1 is moved by the positioning mechanism 10.
00, the first gripping arm 65 and the second gripping arm 6
6, that is, only the force in the front-rear direction is applied to the packaging box 100, and no force is applied in the left-right direction of the transportation, so that the position of the packaging box 100 in the transportation left-right direction is substantially constant after loading. Becomes Therefore, the distance between the laser marker 51 and the packaging box 100 becomes substantially constant, and the packaging box 1
00, stable and clear printing can be performed.
In addition, even when the CCD camera 53 captures an image of the print portion, the focus does not easily cause a problem, and a stable inspection can be performed.

Next, the packaging box 100 passes through the discharging device 80, and the control device 90 determines one of the appropriateness data from the processing / display device 6, the seal detection sensor 43, and the processing / display device 56. However, if there is no data, after receiving a detection signal from a sensor (not shown) of the discharging device 80, the slide unit 83 is driven to drive the discharging plate 8
4 is moved in the direction of arrow C, and the packaging box 100 is discharged to the discharge chute 85 outside the system.

As described above, according to this apparatus, measurement of the weight of the packaging box 100 containing the product, attachment of the sealing seal to the upper lid, printing on the outer peripheral surface, inspection of the presence or absence of the seal, and printing inspection are performed. A series of operations can be performed automatically and efficiently.

The first guide bar 23 and the second guide bar 24 are not indispensable in this apparatus, but are provided in an auxiliary manner. That is, as described above, the position of the packaging box 100 in the transport left-right direction needs to be constant in sticking a sticker, printing, and printing inspection.
0 is slid in contact with the first guide bar 23 or the second guide bar 24 and moved, the resistance of the resistance causes the packaging box 100 to tilt obliquely, and there is a problem that the position in the transport right and left direction is not constant. After positioning the packaging box 100 in the horizontal direction by the positioning mechanism 10, the packaging box 100 is transported without any guide. Therefore, the first guide bar 23 and the second guide bar 2
Reference numeral 4 functions as a means for preventing the packaging box 100 from dropping in the event of any abnormality.

[0057]

As described in detail above, claim 1 of the present invention
According to the invention described in (1), since the packaging box is gripped by the transfer device, even if the seal holding mechanism presses the side surface of the packaging box, the posture does not change, and the seal holding mechanism does not When the upper lid portion of the packaging box is pressed, the packaging box is supported by the transport conveyor, so that the posture does not change similarly. Therefore, the sticking of the seal to the packaging box can be performed stably and reliably.

According to the second aspect of the present invention,
The sticking of the seal of the packaging box and the printing on the outer peripheral surface of the packaging box can be continuously and automatically performed. According to the invention described in claim 3, since the position of the packaging box in the transport left-right direction is constant, The position of the sticker to be stuck becomes constant. Further, since the distance between the printing device and the packaging box is constant, stable and clear printing can be performed.

[Brief description of the drawings]

FIG. 1 is a front view showing an entire packaging box sealing device according to a specific embodiment of the present invention.

FIG. 2 is a plan view showing the packaging box sealing device of FIG. 1;

FIG. 3 is a front view showing the weighing device.

FIG. 4 is a cross-sectional view showing the seal sticking device.

FIG. 5 is a front view showing a printing apparatus.

FIG. 6 is a front view showing the transfer device.

FIG. 7 is a side view in the direction of arrows II in FIG. 6;

FIG. 8 is a plan view in the direction of arrows JJ in FIG. 6;

FIG. 9 is a block diagram illustrating connection between a control device and each device.

FIG. 10 is a perspective view showing a packaging box.

FIG. 11 is a front view showing a conventional seal sticking apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Measuring device 2 Belt conveyor 10 Positioning mechanism 11 Positioning member 12 Cylinder 20 Conveying device 21 Belt conveyor 30 Seal sticking device 31 Main body 32 Seal 33 Pressing roller 50 Printing device 51 Laser marker 60 Transfer device 61 Slide unit 63 First rotary actuator 64 second rotary actuator 65 first gripping arm 66 second gripping arm 80 ejection device 83 slide unit 84 ejection plate 85 ejection chute 90 control device 100 packaging box 101 top lid 110 seal sticking device 111 holding roller

Claims (3)

[Claims] 1. A device for attaching a sealing seal to a closed part of an upper lid of a packaging box containing a product, comprising: a transport conveyor for transporting a packaging box with a closed upper lid; A seal feeding mechanism for sequentially feeding the sealing seal to the seal attaching position at an appropriate length, and a lower side of the packing box provided in a lower side of the seal feeding mechanism in a transport direction of the packaging box, and a side upper part and an upper lid part of the packing box are formed on the side upper part. And a seal sticking device provided with a seal pressing mechanism that presses along the upper lid portion, and grips a packaging box on the transport conveyor and moves the packaging box along a transport path of the transport conveyor, and seals the packaging box with the seal. A packaging box sealing device comprising a transfer device for passing through a sticking position. 2. The packaging according to claim 1, further comprising a printing device for performing printing on an outer peripheral surface of the packaging box, wherein the transfer device causes the packaging box to pass through the seal sticking position and the printing position. Box sealing device. 3. A transport mechanism comprising: a positioning member for moving forward and backward on a transport path of the transport conveyor; and a positioning mechanism for positioning the position of the packaging box in the lateral direction of transport by the positioning member is provided at a packaging box input position of the transport conveyor. Item 3. The packaging box sealing device according to Item 1 or 2.