TWI880389B - Gravure printing machine and printing method thereof - Google Patents

Abstract

The present invention is a gravure printing machine and a printing method thereof, in particular, a gravure printing machine suitable for high-precision printing patterns, and the gravure printing machine has multiple printing grooves in the printing roller with internal electrode printing patterns, and prints small components such as multilayer ceramic capacitors (MLCCs), and after printing, the residual ink on the surface of the printing roller is recovered through a recovery module that is engaged with the surface of the printing roller, thereby achieving the effect of not wasting excess metal ink for gravure printing, and being able to recover excess metal ink to reduce printing costs.

Description

Gravure printing machine and printing method thereof

The present invention relates to a gravure printing machine and a printing method thereof, in particular to a gravure printing machine suitable for high-precision printing patterns, wherein the plurality of printing grooves in the printing roller of the gravure printing machine have internal electrode printing patterns, and a small component such as a multilayer ceramic capacitor (MLCC) is printed, and after printing, the residual ink on the surface of the printing roller is recovered through a recovery module that is engaged with the surface of the printing roller, thereby achieving the effect of not wasting excess metal ink for gravure printing, and being able to recover excess metal ink to reduce printing costs.

According to the current manufacturing of multilayer ceramic capacitors, in order to make a master block by printing a printed object (such as a ceramic embryo) with an internal electrode pattern, each master block is divided to make each multilayer chip, and then a gravure printing machine with an internal electrode pattern is used to make multilayer ceramic capacitors. However, in the process of mass printing and manufacturing multilayer ceramic capacitors, the metal ink used for printing will be consumed in large quantities during the manufacturing process. Among them, the ink that is not scraped off on the printing roller is also consumed in large quantities in repeated printing, which results in the waste of ink in the printing process. This is the key point that needs to be studied and improved by those engaged in this industry.

Therefore, in view of the above problems and deficiencies, the inventor collected relevant information, evaluated and considered various aspects, and used his many years of experience in this industry to continuously try and modify, and finally designed this kind of gravure printing machine and printing method invention patent.

The main purpose of the present invention is a printing method of the gravure printing machine, which includes a printing device and a conveying platform, and is implemented according to the following steps: (A01) a ceramic blank is arranged on a suction platform on one side of a working base of the conveying platform; (A02) a rolling part connected to a printing roller of the printing device is engaged with a plurality of gears on the surface of the working base; (A03) an ink holder of an ink supply device of the printing device is pushed to the bottom to the surface of the printing roller to form an ink groove, and a metal ink is conveyed into the ink groove by an ink supply part, and a recovery module is arranged below the ink holder; (A04) the ink supply part is turned on and the ink is discharged from the ink holder; (A05) the ink supply part is turned on and the ink is discharged from the ink holder; (A06) the ink supply part is turned on and the ink is discharged from the ink holder; (A07) the ink supply part is turned on and the ink is discharged from the ink holder; (A08) the ink supply part is turned on and the ink is discharged from the ink holder; (A09) the ink supply part is turned on and the ink is discharged from the ink holder; (A101) the ink supply part is turned on and the ink is discharged from the ink holder; (A102) the ink supply part is turned on and the ink is discharged from the ink holder; (A103) the ink supply part is turned on and the ink is discharged from the ink holder; (A104) the ink supply part is turned on and the ink is discharged from the ink holder; (A105) the ink supply part is turned on and the ink is discharged from the ink holder; (A106) the ink supply part is turned on and the ink is discharged from the ink holder; (A107) the ink supply part is turned on and the ink is discharged from the ink holder; (A108) the ink supply part is turned on and the ink is discharged from the ink holder; (A109) the ink supply part is turned on and the ink is discharged from the ink holder; (A109) the ink supply part The gravure printing machine is driven to rotate the printing roller along with the roller, and the plurality of printing grooves concavely arranged on the surface of the printing roller are filled with the metal ink after passing through the ink holder; (A05) the plurality of gears arranged in the suction platform drive the suction platform to move toward the printing roller along with the gears, and then the metal ink is printed on the surface of the ceramic blank on the suction platform by pressurization; (A06) the printing roller continues to rotate to the recovery module, and the residual metal ink on the surface of the printing roller is recovered by the recovery module, and the printing of the gravure printing machine is completed.

The secondary purpose of the present invention is that the power device provided in the ink supply device is to separate the surface of the printing roller by retreating backwards, thereby allowing the metal ink in the ink tank to flow downward into the recovery module for recovery.

Another object of the present invention is that the power device is a pneumatic cylinder or a hydraulic cylinder.

Another object of the present invention is to provide a first scraper portion adjacent to the printing roller surface in front of the ink supply device.

Another object of the present invention is that the recovery module has an ink drop plate located below the ink holder, and at least one recovery roller is provided above the ink drop plate and engages with the surface of the printing roller, and a second scraper portion is provided near one side surface of the recovery roller.

Another object of the present invention is that the gravure printing machine includes a printing device and a conveying platform, wherein the printing device includes a roller connected to a printing roller, and the surface of the printing roller is concavely provided with a plurality of printing grooves, and an ink supply device is provided on one side of the printing roller, and a recovery module is provided on the bottom side of the ink supply device, and the ink supply device is provided with a metal ink supply. The ink supply part is provided with an ink holder at the bottom side of the ink supply part, which is pushed to the surface of the printing roller by a power device to form an ink groove. The conveying platform is provided with a working base abutting against the rolling part, and a plurality of gear rows engaged with the rolling part are provided on the surface of the working base. A suction platform is provided on the side of the working base far from the rolling part, and a ceramic blank is provided on the suction platform.

Another object of the present invention is to provide a first scraper portion adjacent to the printing roller surface in front of the ink supply device.

Another object of the present invention is that the recovery module has an ink drop plate aligned with the bottom of the ink holder, and at least one recovery roller engaged with the surface of the printing roller is provided on the ink drop plate, and a second scraper portion is provided near one side surface of the recovery roller.

Another object of the present invention is that the power device is a pneumatic cylinder or a hydraulic cylinder.

1: Printing device

11: Printing roller

12: Rolling part

13: Ink supply equipment

131: Ink supply department

1311:Metallic ink

132: Power device

133: Ink holder

1330:Ink tank

14: First scraper section

15: Recycling module

151: Ink dripping disc

152: Recycling roller

153: Second scraper unit

2: Transport platform

21: Working base

211: Teeth

22: Air suction platform

221: Ceramic embryo piece

[Figure 1] is a schematic diagram of the gravure printing machine of the present invention before printing.

[Figure 2] is a schematic diagram of the gravure printing machine of the present invention after printing.

[Figure 3] is a top view of the ceramic blank of the present invention.

[Figure 4] is a printing flow chart of the gravure printing machine of the present invention.

Please refer to Figures 1 and 2, which are schematic diagrams of the gravure printing machine of the present invention before printing and after printing. The present invention mainly includes a printing device 1 and a conveying platform 2, and the connection relationship of the above-mentioned components is as follows: the printing device 1 includes a roller 12 connected to a printing roller 11, and an ink supply device 13 is provided on one side of the printing roller 11, and a first scraper portion 14 is provided in front of the ink supply device 13 and adjacent to the surface of the printing roller 11, and a recovery module 15 is provided on the bottom side of the ink supply device 13. The ink supply device 13 has an ink supply portion 131 for supplying metallic ink 1311, and an ink holder 133 is provided at the bottom of the ink supply portion 131, which is pushed to the surface of the printing roller 11 by a power device 132 to form an ink groove 1330, and the recovery module 15 has an ink drop plate 151 aligned below the ink holder 133, and at least one recovery roller 152 is provided on the ink drop plate 151 and is engaged with the surface of the printing roller 11, and a second scraper portion 153 is provided near one side surface of the recovery roller 152.

The conveying platform 2 is provided with a working base 21 abutting against the rolling part 12, and a plurality of gear rows 211 engaging with the rolling part 12 are provided on the surface of the working base 21, and a suction platform 22 is provided on the side of the working base 21 away from the rolling part 12, and a ceramic blank 221 is provided on the suction platform 22.

As mentioned above, the width of the first scraper portion 14 and the second scraper portion 153 is consistent with the width of the surface of the printing roller 11, so that the metal ink 1311 remaining on the surface of the printing roller 11 can be scraped off at one time.

Furthermore, please refer to FIGS. 1 to 3, which are schematic diagrams before printing, schematic diagrams after printing, and top views of ceramic blanks of the gravure printing machine of the present invention. As can be clearly seen from the figures, when the gravure printing machine of the present invention is actually used, the suction platform 22 provided on one side of the working base 21 of the conveying platform 2 is combined with the gears 211 through the internal gears (not shown in the figure) to achieve the same mechanical movement, and the printing roller 11 is connected to the The roller 12 will mechanically rotate along with the gears 211, so that the plurality of printing grooves (not shown) provided on the surface of the printing roller 11 will be filled with the metal ink 1311 in the ink groove 1330 when passing through the ink groove 1330 of the ink supply device 13 during rotation, and the excess metal ink 1311 on the surface of the printing roller 11 will be scraped off by the adjacent first scraper 14, thereby When the ceramic green sheet 221 on the suction platform 22 is synchronously rotated and transported to the bottom of the printing roller 11, the metal ink 1311 is printed on the ceramic green sheet 221 by pressure (as shown in FIG. 3 ). When the surface of the printing roller 11 passes through the recycling module 15 as the printing roller 11 continues to rotate, the recycling roller 152 of the recycling module 15 engages with the surface of the printing roller 11 to absorb the metal ink 1311 on the surface of the printing roller 11. The metal ink 1311 on the surface is scraped off by rotating to the second scraper part 153, so that the scraped metal ink 1311 drips into the ink drop plate 151 below the recovery roller 152 to recycle the metal ink 1311, thereby achieving the effect of not wasting excess metal ink 1311 for gravure printing and being able to recycle excess metal ink 1311 to reduce printing costs.

As mentioned above, the printing grooves inside the printing roller 11 have internal electrode printing patterns, which are suitable for printing small-sized components, such as multilayer ceramic capacitors (MLCCs), and the aforementioned mechanical synchronization through the cooperation of gears and gear rows is suitable for product printing proofing, but can also be used in printing production and other purposes.

The ink holder 133 is fixed by the power device 132 against the surface of the printing roller 11, and the metal ink 1311 is stored in the ink tank 1330. When the gravure printing machine of the present invention is to be repaired or maintained, the ink holder 133 can be withdrawn from the surface of the printing roller 11 by retracting the power device 132, and the metal ink 1311 in the ink tank 1330 will flow downward into the ink drop plate 151 through the withdrawal of the ink holder 133, thereby achieving the effect of facilitating ink recovery during machine repair and maintenance.

Please refer to Figure 4, which is a printing process diagram of the gravure printing machine of the present invention. The gravure printing machine of the present invention includes a printing device 1 and a conveying platform 2, and the present invention is implemented according to the following steps:

(A01) Place a ceramic blank on the suction platform on one side of the working base of the conveying platform.

(A02) Engage the rolling part connected to the printing roller of the printing device on the multiple gear rows on the surface of the working base.

(A03) The ink holder of the ink supply device of the printing device is pushed to the bottom to form an ink tank on the surface of the printing roller, and the metallic ink 1311 is transported into the ink tank through an ink supply unit, and a recovery module is set under the ink holder.

(A04) Start the gravure printing machine, so that the printing roller rotates along with the roller, and the plurality of printing grooves concavely arranged on the surface of the printing roller are filled with the metal ink 1311 after passing through the ink holder.

(A05) The plurality of gears provided in the suction platform drive the suction platform to move toward the printing roller along with the gears, and then the metal ink 1311 is printed onto the surface of the ceramic blank on the suction platform by pressurization.

(A06) The printing roller continues to rotate to the recovery module, and the residual metal ink 1311 on the surface of the printing roller is recovered by the recovery module, thereby completing the printing of the gravure printing machine.

As mentioned above, the power device of the ink supply device is to separate the printing roller surface by retreating backwards, thereby allowing the metal ink in the ink tank to flow downward into the recovery module for recovery, and the power device is a pneumatic cylinder or a hydraulic cylinder.

Furthermore, the ink supply device is provided with a first scraper portion adjacent to the surface of the printing roller in front, and the recovery module has an ink drop plate located below the ink holder, and at least one recovery roller engaged with the surface of the printing roller is provided above the ink drop plate, and a second scraper portion is provided adjacent to one side surface of the recovery roller.

The above is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the contents of the present invention's specification and drawings should be included in the patent scope of the present invention and should be stated.

In summary, this invention can truly achieve its efficacy and purpose when it is actually applied. Therefore, this invention is truly a research and development with excellent practicality. In order to meet the application requirements for invention patents, we have filed an application in accordance with the law. We hope that the review committee will approve this case as soon as possible to protect the inventor's hard work in research and development and creation. If the review committee of the Jun Bureau has any doubts, please feel free to write to us for instructions. The inventor will do his best to cooperate and will be grateful for the convenience.

1: Printing device

11: Printing roller

12: Rolling part

13: Ink supply equipment

131: Ink supply department

1311:Metallic ink

132: Power device

133: Ink holder

1330:Ink tank

14: First scraper section

15: Recycling module

151: Ink dripping disc

152: Recycling roller

153: Second scraper unit

2: Transport platform

21: Working base

211: Teeth

22: Air suction platform

221: Ceramic embryo piece

Claims (9)

A printing method for a gravure printing machine includes a printing device and a conveying platform, and is implemented according to the following steps: (A01) a ceramic blank is arranged on a suction platform on one side of a working base of the conveying platform; (A02) a rolling part connected to a printing roller of the printing device is engaged with a plurality of gears on the surface of the working base; (A03) an ink holder of an ink supply device of the printing device is pushed to the bottom to form an ink groove on the surface of the printing roller, metallic ink is conveyed into the ink groove by an ink supply part, and a recovery module is arranged below the ink holder; (A04) the gravure printing machine is started. The printing roller rotates along with the roller, and the plurality of printing grooves on the surface of the printing roller are concavely provided to fill the metal ink into the printing grooves after passing through the ink holder; (A05) the plurality of gears provided in the suction platform drive the suction platform to move toward the printing roller along with the gears, and then the metal ink is printed onto the surface of the ceramic blank on the suction platform by pressurization; (A06) the printing roller continues to rotate to the recovery module, and the residual metal ink on the surface of the printing roller is recovered by the recovery module, and the printing of the gravure printing machine is completed. The printing method of the gravure printing machine as described in claim 1, wherein the power device provided in the ink supply device is to separate the surface of the printing roller by withdrawing backwards, thereby allowing the metal ink in the ink tank to flow downward into the recovery module for recovery. A printing method for a gravure printing machine as described in claim 2, wherein the power device is a pneumatic cylinder or a hydraulic cylinder. A printing method for a gravure printing press as described in claim 1, wherein a first scraper portion is provided in front of the ink supply device adjacent to the surface of the printing roller. The printing method of the gravure printing machine as described in claim 1, wherein the recovery module has an ink drop plate located below the ink holder, and at least one recovery roller is provided above the ink drop plate and engages with the surface of the printing roller, and a second scraper portion is provided near one side surface of the recovery roller. A gravure printing machine includes a printing device and a conveying platform, wherein: the printing device includes a roller connected to a printing roller, and the surface of the printing roller is concavely provided with a plurality of printing grooves, and an ink supply device is provided on one side of the printing roller, and a recovery module is provided on the bottom side of the ink supply device, and the ink supply device is an ink supply part for supplying metallic ink, and An ink holder is provided at the bottom side of the ink supply part, which is pushed to the surface of the printing roller by a power device to form an ink groove; the conveying platform is provided with a working base abutting against the rolling part, and a plurality of gear rows engaged with the rolling part are provided on the surface of the working base, and a suction platform is provided on the side of the working base away from the rolling part, and a ceramic blank is provided on the suction platform. A gravure printing machine as described in claim 6, wherein a first scraper portion is provided in front of the ink supply device adjacent to the surface of the printing roller. The gravure printing machine as described in claim 6, wherein the recovery module has an ink drop plate aligned below the ink holder, and at least one recovery roller engaged with the surface of the printing roller is provided on the ink drop plate, and a second scraper portion is provided near one side surface of the recovery roller. The gravure printing machine as described in claim 6, wherein the power device is a pneumatic cylinder or a hydraulic cylinder.

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