KR101939551B1 - Printing machine for packing box - Google Patents

Abstract

The present invention provides a printing device for a packing box. A conveyor unit (200) is formed in the upper part of a main body unit (100) to transfer a packing box (10) from the front to the rear. A printing device unit (300) is formed on the upper side of the conveyor unit (200) and slides to the left and the right with respect to a printing direction (forward and backward direction) of the packing box (10). A head connection plate (320) connected to a head (310) is installed in the printing device unit (300). A roller (330) is installed between head connection holes (322) formed on the left and the right in a line in the front. So, intervals between the upper surface of the packing box (10) and the lower surface of the head (310) performing printing are maintained to be fixed. The packing box (10) is smoothly moved to the rear side by the roller (330) and, therefore, printing quality is improved. The head connection plate (320) can be easily arranged and fixed onto the multiple heads. The position of the head connection plate (320) can be easily controlled. Moreover, the fixed intervals between the lower surface of the head and the upper surface of the packing box are maintained. So, the head connection plate (320) moves rearward. Therefore, the printing quality is improved, and the head can be protected.

Description

{PRINTING MACHINE FOR PACKING BOX}

The present invention relates to a printing apparatus for a packaging box made of a material such as corrugated cardboard, and more particularly, to a printing apparatus for a packaging box, which is easy to arrange and control the position of a plurality of heads and protects the head from a packaging box And a printing apparatus for a box.

In general, the packaging box is printed with a number of images printed on the outer surface of the product so that the product name or the manufacturer of the product is known. In the modern age, the image has been gradually developed to include the design elements, and accordingly, there has been a demand in the market for a device capable of printing various images with precision.

Flexo printing and gravure offset printing are widely used in the printing technique for the packaging box. Among them, the flexo technique is performed to print an image on a packaging box using embossing.

The flexo printing has advantages in that it can be printed in a large amount in a short period of time only by a basic plate making process. However, it has a drawback that it is difficult to immediately reflect a design that changes every moment according to the current trend, and the design is not elaborate. In addition, conventional methods have been disadvantageous in that a lot of ink wastewater is generated due to dilution with ink and water.

The present applicant is a patentee of Patent Registration No. 10-1887566 entitled " Printing Apparatus for Packing Boxes " (prior art). The printing apparatus for a packaging box described in the above prior art describes a configuration including the main body 100, the conveyor 200, the printing apparatus 300 and the regulating unit 400 as shown in Fig. 1 .

A plurality of heads 310 are formed in the printing apparatus 300 known in the prior art and a conveyor 200 for moving the packing box rearward is formed with suction grooves 220 to be sucked A configuration is known in which the packaging box 10 is brought into close contact with the conveyor 200 to improve the quality of printing. In this way, when the packaging box 10 supplied at the time of printing is moved backward, the packaging box 10 is brought into close contact with the upper portion of the conveyor 200 by the suction force of air, thereby improving the quality of printing.

However, since the packaging box 10 is mainly used for corrugated cardboard, it may not have a uniform height even in the case of corrugated cardboard. Therefore, when the packaging box 10 is moved, The head 310 can be impacted. Further, since the packaging box 10 can be fed in a state of being bent in the front / rear direction or in the left / right direction when viewed from the whole area of the packaging box 10, it can also impact the head 310 portion.

Considering this point, it is important to keep the gap between the lower surface of the head 310 and the upper surface of the packaging box 10 to move backward. Even such fine adjustment is possible, so that an image with better quality is printed and the head 310 is protected. For this purpose, the fixing roller 500 is configured to press the box 10, which is also introduced in the prior art, from above, but it is located at a substantial portion in front of the head 310 on which printing is performed, and its function is weak.

On the other hand, in the head 310, a number of fine holes are arranged so as to supply ink so that printing is performed on the surface of the box 310. After the printing operation is completed, the residual ink remaining in the head 310 is hardened, It is difficult to expect high-quality printing when operating as it is, and adversely affecting the life or performance of the head.

Korean Patent No. 10-1887566 " Printing apparatus for packing box "

Therefore, the present invention can easily arrange and control the position of a plurality of heads, and while maintaining a constant gap between the lower surface of the head and the upper surface of the packaging box, the packaging box also smoothly moves backward, And also to provide a printing apparatus for a packaging box that can protect the head.

Further, the present invention prevents a phenomenon in which the ink adhered to the head is hardened after the printing operation so that the printing operation smoothly takes place. Even if the ink hardens and the fine holes formed in the head are clogged, And to provide a printing apparatus for a packaging box.

According to an aspect of the present invention, there is provided a printing apparatus for a packaging box,

A conveyor unit 200 is configured to transfer the packaging box 10 from the front to the back on the upper portion of the main body 100. The conveyor unit 200 is provided on the upper side of the packaging box 10 The printing apparatus 300 is configured to slide in the left and right direction,

The printing apparatus unit 300 includes a head coupling plate 320 to which the head 310 is coupled and a head coupling hole 322 is formed in the head coupling plate 320 in the left and right And is arranged in two columns in the front and back,

The head coupling hole 322 is formed in a zigzag form so that the head coupling hole 322 is formed in a zigzag shape so as to be staggered from left to right between one row located forward and the two rows positioned rearward. The occurrence of a missing portion of the printing is excluded for the printer 10,

A roller coupling hole 324 is formed between the front row and the rear row of the head coupling hole 322 so that the roller 330 is aligned in the left and right direction. 322 so that the space between the lower surface of the head 310 and the upper surface of the packaging box 10 is kept constant while the packaging box 10 is smoothly conveyed by the rollers 330 So that the printing quality is improved,

The head coupling plate 320 is controlled to be horizontally positioned via a left and right moving body 340 slidable left and right by a driving unit (not shown).

The present invention relates to a head coupling plate, which is easy to arrange and control the position of a plurality of heads, and a head coupling hole formed in the head coupling plate is formed in a forward one row and two back rows, It is possible to eliminate the occurrence of a missing portion of the signal. A roller is formed on the head coupling plate so that the gap between the lower surface of the head and the upper surface of the packaging box is kept constant and the packaging box is smoothly moved backward by the roller, .

Further, the present invention is advantageous in that a stationary portion is formed to prevent a phenomenon in which ink adhered to a head after a printing operation is hardened, thereby facilitating subsequent printing operations.

1 is a perspective view of a printing apparatus for a packaging box according to an embodiment of the present invention,
2A and 2B are diagrams showing a configuration of a printing apparatus unit,
3 is a plan view of the head coupling plate,
Figs. 4A to 4C are diagrams showing the configuration of a station section for protecting a head not yet printed,
5 is an exploded perspective view of a suction cap constituting a station part,
6 to 7 are diagrams for explaining the operation of the station section,
8 is a photograph of the absorbent cloth.

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

The printing apparatus 1000 for a packaging box according to the present invention is a more advanced invention than the patent of the above-mentioned patent registration No. 10-1887566 entitled " Printing box for a packaging box " In describing the present invention in such a context, reference numerals given in the registered patents of the present applicant, which are previously registered, are cited as they are, and the same reference numerals are given to the same components.

Referring to FIGS. 1 and 2, a printing apparatus 1000 for a packaging box according to an embodiment of the present invention includes a main body 100, a conveyor 200, and a printing device 300, Since the basic contents are described in the above-mentioned patent publications, a detailed description thereof will be omitted, and the configuration related to the present invention will be described in detail.

The configuration having the features in the present invention is the printing apparatus unit 300, and in addition, the station unit 800, which is additionally configured, is also a configuration having features.

First, the printing apparatus unit 300 will be described as follows.

The printing apparatus unit 300 can easily arrange and control the position of the plurality of heads 310 while maintaining a constant distance between the lower surface of the head 310 and the upper surface of the packing box 10, Thereby protecting the head 310 while enhancing printing quality.

1 to 3, the printing apparatus 300 is disposed at an upper portion of the conveyor 200, and is disposed in the printing direction of the packaging box 10, which is placed on the upper surface of the conveyor 200 and moves backward, ), As shown in Fig.

The printing apparatus unit 300 includes a head coupling plate 320 in which heads 310 are arranged and connected to each other and the head coupling plate 320 is coupled to the moving rail 342 with the left and right moving bodies 340, And is connected to a driving unit (not shown).

In particular, the head coupling holes 320 are arranged in two rows in the front and back directions, while the head coupling holes 322 are arranged to be spaced apart from each other in the left and right direction with respect to the advancing direction of the packaging box 10. Therefore, as shown in FIG. 3, the head coupling plate 320 is divided into one row located forward and two rows located rearward.

In addition, when the head coupling hole 322 is formed, the head coupling holes 322 are formed in a staggered manner so as to be offset from each other in the right and left directions between the first row and the second row.

This is to prevent a missing portion of printing from occurring in the packaging box 10 which is moved backward in printing, and more preferably, as shown in Fig. 3, the left and right sides of the head engagement hole 322 A portion intersecting the front side of the packing box 10 when viewed from the front side of the packaging box 10 is formed between the left and right ends of the head coupling hole 322 formed in the side end portion and the rear two rows, So that the left and right empty spaces are not generated when viewed from the front side of the heads 310 which are integrally zigzag combined.

With this configuration, the heads 310 are arranged and connected to the head coupling plate 320 so that the left and right positions of the heads 310 are adjusted, and after the adjustment of the left and right positions of the heads 310 is completed, Printing is performed on the upper surface of the packaging box 10 without missing portions.

The portion where the printing is substantially performed with respect to the packaging box 10 is the head 310 and the head 310 and the upper surface of the packaging box have to be spaced apart from each other to improve the printing quality. The thickness of the packaging box 10 may not be uniform. In this case, the head 310 may be subjected to a shock in the process of moving backward due to the non-uniform upper surface, which may cause the head 310 to fail .

In order to solve such a problem, the fixing roller 500 is formed in the front part of the printing in the registered patent of the applicant of the present invention and the suction groove 220 is formed in the conveyor part 200, 10 to move to the most even state.

3, a roller coupling hole 324 is formed between the front row and the rear row of the head coupling hole 322, as shown in FIG. 3, And the rollers 330 are coupled to the roller engagement holes 324 laterally.

The gap between the lower surface of the head 310 and the upper surface of the packaging box 10, which is a portion where the printing is substantially performed during printing, is maintained constant by the combination of the rollers 330, thereby improving the printing quality. Particularly, it is preferable that the roller 330 is positioned between the head coupling holes 322 formed on the left side and the right side in the first row when viewed from the front side of the printing direction, because the portion printed on the head 310 coupled to the first row So as not to receive the influence of the roller 330 at all in the process of going backward.

If the position of the roller 330 is located behind the head engagement hole 322 formed in the first row of the front row, the ink portion printed on the head 310 coupled to the first row of the front row passes through the roller 330, The ink is caused to come in contact with the roller, so that the quality of the printing is poor.

Meanwhile, the head 310 may be defined as an element constituting the head assembly 308. [ 2B, the head assembly 308 includes a case 311 coupled to the head coupling plate 320. A printed circuit board is embedded in the case 311, Head 310 may be combined.

A damper 316 for supplying ink to the head 310 is fitted to the upper portion of the case 311 and each damper 316 is connected to an ink supply unit (not shown) through a nozzle 318.

According to the present invention, it is possible to easily arrange and control the position of the plurality of heads 310, while maintaining a constant distance between the lower surface of the head 310 and the upper surface of the packaging box 10, Thereby protecting the head 310 while enhancing printing quality.

Next, the present invention constitutes a station unit 800 to maintain the lower surface of the head 310 in a moist state after the printing operation, thereby preventing the lower surface of the head 310 from being dried and preventing the ink from hardening.

In other words, the station unit 800 smoothly performs the printing operation even after the printing operation is not performed for a long period of time. Even if the ink is hardened and the fine holes formed in the head 310 are clogged, . On the other hand, the packaging box 10 may have different widths depending on the type. When the width of the packaging box 10 is wide, all of the heads 310 positioned in the front one row and the rear two rows may be operated for printing, When the width of the box 10 is small, some of the heads 310 located at the edges of the heads 310 in the first row and the rear two rows stand by without being involved in printing. At this time, Is exposed to air until printing is finished. In this case, if the printing time is somewhat longer, the lower surface of the head 310 that is exposed to the air may also become stuck.

Even in such a situation that the micro vacancies of the head 310 are clogged due to such a cause, the station part 300 allows the blind holes to be drilled quickly.

The station unit 800 will be described in detail as follows.

4A to 4C, a moving rail 342 for moving the printing apparatus 300 to the left and right is extended to the side of the main body 100, .

The station unit 800 includes a vertical moving body 810 which can be slidably moved up and down by a driving unit 812 And suction cups 820 are formed on the upper body 810 in a position corresponding to the position of the head coupling hole 322 formed in the head coupling plate 320.

After the printing apparatus unit 300 is moved to the upper part of the station unit 800, the suction caps 820 are moved upward by the driving unit 812 to move the head coupling plate 320 So as to block the plurality of heads 310 from the air and make the head 310 to be in a moist state without being dried. Therefore, due to the suction caps 820, the printing operation can be smoothly performed promptly after resuming printing after not operating for a long time.

5, the suction caps 820 are arranged such that the lower plate bodies 822 are arranged to be aligned with the arrangement of the heads 310 on the upper surface of the upper and lower moving bodies 810 and the upper plate body 822 824).

A spring 825 is embedded between the lower plate member 822 and the upper plate member 824 so that the upper plate member 824 is lifted up to the maximum height within a range in which the upper plate member 824 can be moved up and down by the elastic force State. It is preferable that the cushion cover 826 is made of a rubber material to couple the cushion cover 826 to the upper plate body 824.

7, when the upper and lower moving bodies 810 are moved upward by the operation of the driving unit 812, the cushion cover 826 is moved to the lower surface of the head coupling plate 320 At this time, the lower end face of the upper plate body 824 is raised to the lower plate body 822 like h1 by the force of the spring 825.

The lower end surface of the upper plate body 824 is brought into close contact with the lower plate body 822 and the upper end of the cushion cover 824 coupled to the upper plate body 824 The cushion covers 826 are brought into tight contact with the head coupling plates 320 so that the cushion covers 826 can be more stably protected against all the heads 320.
The cushion cover 826 includes a plurality of cushion covers 826 arranged in a staggered arrangement when the driving unit 812 is brought into close contact with the lower surface of the head coupling plate 320 by the rising of the driving unit 812, Other pressures may be applied. However, if the cushion cover 826 is omitted from the cushion cover 826 during the construction of the suction cap 820, the cushion cover 826 contacts the lower portion of the head coupling plate 820 by the operation of the driving unit 812, The cushion cover 826 may be damaged (deformed, severely damaged) due to too much pressure when the cushion cover 826 is pressed against the lower surface of the head coupling plate 320 It will not be firmly adhered and it will be difficult to stably protect the head 310 from the air.
In order to solve such a problem, in the present invention, the upper and lower moving bodies 810 can be moved by the driving unit 812. In addition, when the suction cap 820 is coupled to the upper and lower moving bodies 810, And the upper plate body 824 is constituted by a cushion cover 826. The cushion cover 826 is made up of a cushion cover 826,
In addition, even if some or all of the suction caps 820 are misaligned, the suction cap 820 can not be maintained even when the suction cap 820 is lifted by the operation of the driving unit 812, All of the cushion covers 826 coupled to the head coupling plate 320 are brought into tight contact with the lower surface of the head coupling plate 320.
The cushion cover 826 of the rubber material blocks the head 310 from the air so that vacuum suction is smoothly performed during operation of a vacuum pump (not shown), which will be described later.

A porous protection member 827 is coupled to the inside of the cushion cover 826. The porous protective member 827 may be formed of a sponge 827 to contact the lower surface of the head 310 to make the head 310 dry and moist. Since the porous protective material 827 should preferably be kept moist at all times, moisture must be supplied periodically before drying.

The porous protective member 827 is coupled to the upper portion of the cushion cover 826 so that the porous protective member 827 can be engaged with the upper portion of the cushion cover 826. In the present invention, can do. The intermediate medium 828 may be detached from the bar cushion cover 826 having the function of preventing the porous protective material 827 from being detached by the buckle 826a having the buckle 828b formed therein, The intermediate mediator 828 may be omitted.

The reason why the porous protection member 827 should be fixed so as to be able to be replaced but which is particularly prevented from being detached will be described as follows.

The porous protective member 827 is in a moist state as mentioned above, and is in contact with the lower surface of the head 310 to protect the head 310 from drying. The porous protective member 827 is kept in contact with the lower surface of the head 310 for a long time In order to prevent such a situation that when the suction cap 820 is moved downward in order to restart printing, the porous protective material 827 is detached from the suction cap 820 while being attached to the lower surface of the head 310 .

One or more air holes 824a, 826a and 828a may be formed in the upper plate body 824, the cushion cover 826 and the intermediate medium body 828 to allow air to pass therethrough, 824 are connected to respective vacuum pumps (not shown) via a suction hose 829.

Due to such a configuration, when the vacuum is blocked due to solidification of the ink in the micro-fine holes formed in the head 310 by the operation of each vacuum pump, the vacuum pump is operated selectively by the control unit with respect to the clogged head 310, So that the clogging is pierced and smooth printing operation is performed.

The station unit 800 configured as described above protects the head 310. In the present invention, the driving unit 812 is implemented as a cylinder, but can be implemented in various manners.

However, if the long-time unprinted driving unit 812, that is, the air in the cylinder is weakened or the electricity supply problem occurs due to the power failure, the force to push up the upper body 810 constituting the station unit 800 weakens or disappears .

In this case, the suction cap 820 coupled to the upper portion of the upper body 810 is lowered downwardly so that the porous protective member 827 of the suction cap 820 is brought into close contact with the lower surface of the head coupling plate 320, (310) can not be protected from air.

In order to prevent such a phenomenon, even if the force applied to the driving unit 812 is weakened, the physical force is actuated so that the upper and lower moving bodies 810 are not pushed downward.

To this end, the station unit 800 constitutes a separate weight bar 830, the weight bar 830 is configured to be pivotable due to the engagement of the lever shaft 832, To be coupled with the Shanghai moving body 810 through the opening 834. The weight bar 830 is positioned at the other side of the weight bar 830 so that the force of pushing up the upper body 810 is still operative, in contrast to the case where the force of the driving part 812 is weaker than the force of the driving part 812, 830 to which the elastic force is applied. The weight bar 830 does not require an electric force and is a force that pushes upwards the upward moving body 810 by a physical force, and protects the head 310 in a double manner.

Next, before restarting printing after a long time of non-operation, it is firstly confirmed through test printing whether or not the fine void formed in the head 310 is blocked. If there is a clogged head 310, the clogged head 310 is first brought back to the station part 800 and the clogged head 310 is pierced by the vacuum pump (not shown) of the suction part 820. At this time, the ink is also sucked out to the lower surface of the head 310 in the process of piercing the head 310 by the pressure of the vacuum pump.

The cleaning brush 840 is configured to remove the ink on the lower surface of the head 310 without removing the ink.

The cleaning brush 840 removes ink adhering to the lower surface of the head 310. The cleaning brush 840 constitutes a cleaning brush 840 at an outlet portion of the printing apparatus 300 for printing to the conveyor 200 do.

The cleaning brush 840 is composed of two front and rear cleaning heads for selectively removing ink adhering to the lower surface of the head 310 with respect to the front row head 310 and the rear row head 310, (840) are controlled to move up and down by the respective drivers (842). The driving unit 842 may also be implemented as a cylinder or a motor.

Referring to FIG. 4C and FIG. 8, the cleaning brush 840 is provided with a wheel 840a that rotates non-rotatively, and the outer circumferential surface of the wheel 840a is configured by fitting an absorbent cloth 840b . The absorbent cloth 840b may be detached from the wheel 840a after a certain number of times of use and may be replaced or reused after cleaning.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of the present invention should not be limited by the described embodiments, but should be determined by the scope of claims and equivalents thereof.

(1000) - Printing machine for packing box
(100) - a main body part (200) - a conveyor part
(220) -adsorption groove (300) -Printing device part
(308) -head assembly (310) -head
(311) - case (312) - printed circuit board
(316) - damper (318) - nozzle
(320) -head coupling plate (322) -head coupling hole
(324) - roller coupling hole (330) - roller
(340) - the left and right moving bodies (342) - the moving rails
(350) -cover (500) -fixing roller
(800) - station part (810) - Shanghai body
(812) - Driving part (820) - Suction cap
(822) - the lower plate member (824) - the upper plate member
(825) - spring (826) - cushion cover
(827) - Porous protection (828) - Medium
(829) - Suction hose (830) - Weight bar
(832) - Lever shaft (834) - Rotating connector
(836) - Elastic body (840) - Cleaning brush
(840a) - wheel (840b) - absorbing cloth
(842)

Claims (7)

A conveyor unit 200 is configured to transfer the packaging box 10 from the front to the back on the upper portion of the main body 100. The conveyor unit 200 is provided on the upper side of the packaging box 10 The printing apparatus 300 is configured to slide in the left and right direction,
The printing apparatus unit 300 includes a head coupling plate 320 to which the head 310 is coupled and a head coupling hole 322 is formed in the head coupling plate 320 in the left and right And is arranged in two columns in the front and back,
The head coupling hole 322 is formed in a zigzag form so that the head coupling hole 322 is formed in a zigzag shape so as to be staggered from left to right between one row located forward and the two rows positioned rearward. The occurrence of a missing portion of the printing is excluded for the printer 10,
A roller coupling hole 324 is formed between the first row and the rear row of the head coupling hole 322 to connect the roller 330 to the left and right sides of the head coupling hole 322, The gap between the surface of the packaging box 10 and the upper surface of the packaging box 10 is kept constant to improve the printing quality and to protect the lower surface of the head 310 from impact caused by the upper surface of the packaging box 10, And the roller 330 is located between the head coupling holes 322 formed in the left front row and the right rear row as viewed from the front of the printing direction reference surface, So that the influence of the roller 330 is eliminated in the course of backward movement,
The head coupling plate 320 is coupled to the left and right moving bodies 340 slidable along the movement rail 342 by a driving unit so that the entire printing apparatus unit 300 can be controlled in the left and right positions, The moving rail 342 is extended to the side of the main body 100 to move the printing apparatus 300 to the side of the main body 100 and the lower side of the extended side of the moving rail 342 is provided with a station (800)
The station unit 800 includes a vertical moving body 810 capable of being slidably moved up and down by a driving unit 812 and has a head coupling hole 322 formed in the head coupling plate 320 The suction cap 820 is moved upward by the driving unit 812 so that the suction cap 820 is brought into close contact with the lower surface of the head coupling plate 320, It protects by blocking air contact and makes printing operation smooth when printing resumes,
The suction cap 820 has a lower plate body 822 arranged on the upper surface of the upper body 810 and an upper plate body 824 is coupled to an upper portion of the lower plate body 822, A spring 825 is embedded between the upper plate body 824 and the upper plate body 824 so that the upper plate body 824 can be maintained at the maximum height within a range in which the upper plate body 824 can be moved up and down by the elastic force And the cushion cover 826 is coupled to the upper plate body 824 so that all the cushion covers 826 are engaged with the head coupling plates 826 when the up and down moving bodies 810 are lifted by the driving unit 812. [ 320), so as to stably protect all the heads (320), and the cushion cover (826) is configured to be able to couple and replace the porous protective material (827) inside the cushion cover (826) Device.
The method according to claim 1,
The head coupling hole 322 of the head coupling plate 320 is formed in order to exclude the occurrence of a print missing portion with respect to the packing box 10 which is moved backward during printing
The right and left ends of the head coupling hole 322 formed in the front row 1 and the left and right ends of the head coupling hole 322 formed in the rear two rows are formed such that portions intersecting with each other when viewed in front of the packing box 10 So as to eliminate the occurrence of voids when the heads (310), which are formed in a zigzag manner as a whole, are inserted into the head coupling hole (322) and viewed from the front side.
delete delete The method according to claim 1,
One or more vent holes 824a and 826a are formed in the upper plate body 824 and the cushion cover 826 to allow air to pass therethrough and the vent hole 824a of the upper plate body 824 is provided with a suction hose (Not shown) via a vacuum pump (not shown) via a vacuum pump 829. When the ink is clogged due to solidification of ink in a fine cavity formed in the head 310, the clogged head 310 is selectively and rapidly vacuum- So that clogging is solved to smoothly perform printing operation.
The method according to claim 1,
The station unit 800 is constructed separately from the turnable weight bar 830 due to the engagement of the lever shaft 832,
The other end of the weight bar 830 is connected to the upper body 810 via a pivotal connection 834 through a side of the weight bar 830. The other end of the weight bar 830 is connected to the push rod 812, The head 310 is coupled to an elastic body 836 to which a force for pulling down the other side of the weight bar 830 is applied so that the force for pushing up the upper body 810 of the upper body still works, The printing apparatus comprising:
The method according to claim 1,
The station unit 800 is configured such that the cleaning brush 840 is moved up and down at an outlet portion of the printing apparatus unit 300 for printing to be conveyed to the conveyor unit 200, And the ink container 200 is moved so that the ink on the lower surface of the head 310 is selectively removed with respect to the thermal head 310 and the rear two-row head 310, .

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