TWI628069B - Ink jet printing apparatus and ink jet printing method - Google Patents
Ink jet printing apparatus and ink jet printing method Download PDFInfo
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- TWI628069B TWI628069B TW105138066A TW105138066A TWI628069B TW I628069 B TWI628069 B TW I628069B TW 105138066 A TW105138066 A TW 105138066A TW 105138066 A TW105138066 A TW 105138066A TW I628069 B TWI628069 B TW I628069B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/24—Case-shift mechanisms; Fount-change arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
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Abstract
本發明提供一種噴墨列印裝置包括列印小車,所述列印小車上安裝至少一個列印噴頭,列印噴頭的打印寬度大於或等於下方安置的列印介質的寬度;第一方向驅動機構,用於安裝列印小車,並控制列印小車沿第一方向進行往返運動;第三方向驅動機構,控制列印小車沿第三方向進行升降運動;列印平臺,所述列印平臺上方安置有列印介質;控制系統,所述控制系統控制列印小車、第一方向驅動機構、第三方向驅動機構和列印噴頭的工作。本發明的噴墨列印裝置功能多樣,通過控制系統可實現3D立體效果列印、平臺掃描列印以及一次送紙成像列印組合的多種列印模式,並可應用於板材類、卷材類等多種列印介質的高分辨列印。The invention provides an inkjet printing device including a printing cart, at least one printing nozzle is installed on the printing cart, and a printing width of the printing nozzle is greater than or equal to a width of a printing medium disposed below; a first direction; A driving mechanism for installing a printing cart and controlling the printing cart to move back and forth in a first direction; a third direction driving mechanism for controlling the printing cart to perform a lifting movement in a third direction; a printing platform, said A printing medium is disposed above the printing platform; a control system controls the work of the printing cart, the first-direction driving mechanism, the third-direction driving mechanism, and the printing nozzle. The inkjet printing device of the present invention has various functions. The control system can realize multiple printing modes of 3D three-dimensional effect printing, platform scanning printing, and one-time paper feeding imaging printing. It can be applied to sheet materials and roll materials. High-resolution printing on a variety of print media.
Description
本發明涉及一種噴墨列印裝置及列印方法,具體說涉及一種適於板材類、卷材類等多種列印介質實現立體列印效果之噴墨列印裝置及列印方法。The invention relates to an inkjet printing device and a printing method, in particular to an inkjet printing device and a printing method suitable for realizing a three-dimensional printing effect on a variety of printing media such as sheet materials and roll materials.
噴墨列印技術是指通過噴頭將墨滴噴射於列印介質上得到列印圖像或文字的技術。該技術為非接觸列印,具有列印速度快,污染小,能適應多種列印介質等優點而廣泛應用于工業應用領域。噴墨列印根據列印小車和列印介質的運動方式分為掃描式(Scanning)噴墨列印和一次送紙成像(Onepass)噴墨列印兩種,掃描式噴墨列印包括卷對卷式噴墨列印和平臺式噴墨列印兩種,其中卷對卷式噴墨列印在噴墨列印過程中列印小車沿導軌梁相對列印介質來回運動,列印介質沿垂直於列印小車運動方向的方向步進運動,安裝列印小車的導軌梁靜止不動;而平臺式噴墨列印在噴墨列印過程中有兩種情況,一種是在噴墨列印過程中導軌梁不動,列印小車沿導軌梁來回運動,列印平臺沿垂直於列印小車運動方向的方向步進運動;還有一種是列印平臺靜止不動,列印小車沿導軌梁相對於列印介質來回運動,並且導軌梁沿垂直于導軌梁的方向步進運動進而帶動列印小車沿垂直于導軌梁的方向步進運動。而一次送紙成像(Onepass)噴墨列印在噴墨過程中列印小車靜止不動,列印介質單向高速運動。採用一次送紙成像噴墨列印對噴頭的列印精度和列印寬度要求很高,噴頭的列印精度需為圖像的列印精度,且噴頭的列印寬度需為圖像的列印寬度,當然也可通過拼插噴頭的方式來獲得高精度和通過串接噴頭的方式來獲得更寬的列印寬度,但這必然使得噴頭的數量增加,無論是使用高精度的噴頭還是通過多個噴頭獲得高列印精度這必然使得印表機的成本增高。Ink-jet printing technology refers to a technology in which ink droplets are ejected onto a printing medium through a nozzle to obtain a printed image or text. This technology is non-contact printing, which has the advantages of fast printing speed, low pollution, and can adapt to a variety of printing media. It is widely used in industrial applications. Inkjet printing is divided into two types: scanning inkjet printing and one-pass inkjet printing according to the movement of the printing trolley and the printing medium. Scanning inkjet printing includes rolls. There are two types of roll-to-roll inkjet printing and desktop inkjet printing. Among them, roll-to-roll inkjet printing. During the inkjet printing process, the printing cart moves back and forth along the guide rail relative to the printing medium. Step by step in a direction perpendicular to the moving direction of the printing trolley, the guide rail mounted with the printing trolley is stationary; and the platform inkjet printing has two cases in the inkjet printing process, one is in inkjet During the printing process, the guide beam does not move, the printing trolley moves back and forth along the guide beam, and the printing platform moves stepwise in a direction perpendicular to the moving direction of the printing trolley; there is also a printing platform that is stationary and the printing trolley is stationary. It moves back and forth along the guide beam relative to the printing medium, and the guide beam moves stepwise in a direction perpendicular to the guide beam, thereby driving the printing cart to move stepwise in a direction perpendicular to the guide beam. In the case of one-pass inkjet printing, the printing cart is stationary during the inkjet process, and the printing medium moves at a high speed in one direction. The use of single-feed imaging inkjet printing requires high print accuracy and print width of the print head. The print accuracy of the print head must be the print accuracy of the image, and the print width of the print head must be the print of the image. The width, of course, can also be obtained by inserting the nozzles to obtain high precision and by connecting the nozzles to obtain a wider printing width, but this will necessarily increase the number of nozzles, whether using high-precision nozzles or multiple The high print accuracy achieved by each print head will inevitably increase the cost of the printer.
在一次送紙成像(Onepass)噴墨列印過程中,由於列印介質的一遍通過而無法列印具有3D立體效果的圖案,並且傳統的一次送紙成像(Onepass)噴墨列印裝置只用於卷材類列印介質,而不能列印板材類列印介質,當然更不能對板材類列印介質進行3D立體效果列印。During one-pass imaging (Onepass) inkjet printing, a pattern with a 3D effect cannot be printed due to one pass of the printing medium, and the traditional Onepass inkjet printing device only uses It cannot be used for printing media of roll materials, but cannot print printing media of plate materials. Of course, it is impossible to print 3D effects on printing media of plate materials.
同時,一次送紙成像(Onepass)噴墨列印在列印解析度方面也具有局限性,如若想提高列印品質,只能更換價格昂貴的高解析度噴頭來實現,從而增大了製造成本。At the same time, one-pass inkjet printing also has limitations in terms of print resolution. If you want to improve the print quality, you can only replace the expensive high-resolution print head to increase the manufacturing cost. .
針對現有技術存在的問題,本發明的目的在於提出一種功能多樣、高解析度、尤其適於多種列印介質(卷材類或板材類)立體效果列印的噴墨列印裝置。In view of the problems existing in the prior art, an object of the present invention is to provide an inkjet printing device with multiple functions, high resolution, and especially suitable for three-dimensional effect printing of multiple printing media (roll material or sheet material).
為實現所述目的,本發明提出一種噴墨列印裝置,包括:一列印小車,所述列印小車上安裝至少一個列印噴頭,列印噴頭的列印寬度大於或等於下方安置的列印介質的寬度,列印小車一端或兩端安裝固化裝置;一第一方向驅動機構,用於安裝列印小車,並控制列印小車沿第一方向進行往返運動;一第三方向驅動機構,控制列印小車沿第三方向進行升降運動;一列印平臺,所述列印平臺上方安置有列印介質;一控制系統,所述控制系統控制所述列印小車、所述第一方向驅動機構、所述第三方向驅動機構和所述列印噴頭的工作。In order to achieve the object, the present invention provides an inkjet printing device, including: a printing cart, the printing cart is installed with at least one printing nozzle, the printing width of the printing nozzle is greater than or equal to The width of the printing medium, a curing device is installed at one or both ends of the printing cart; a first direction driving mechanism is used to install the printing cart and control the printing cart to move back and forth in the first direction; a third A directional driving mechanism controls the printing trolley to move up and down in a third direction; a printing platform on which a printing medium is disposed; and a control system that controls the printing trolley, The operations of the first direction driving mechanism, the third direction driving mechanism, and the print head.
上述噴墨列印裝置中,還包括一送紙機構,所述送紙機構沿所述第一方向輸送列印介質。The inkjet printing device further includes a paper feeding mechanism, and the paper feeding mechanism conveys the printing medium in the first direction.
上述噴墨列印裝置中,還包括一第二方向驅動機構,所述第二方向驅動機構通過支架與列印小車連接,並控制列印小車沿與第一方向垂直的第二方向步進運動,用於提高列印圖像的解析度。The above inkjet printing device further includes a second direction driving mechanism. The second direction driving mechanism is connected to the printing cart through a bracket, and controls the printing cart to move in a second direction perpendicular to the first direction. Progressive motion is used to improve the resolution of the printed image.
上述噴墨列印裝置中,所述第一方向驅動機構包括第一拖鏈,第一方向導軌,第一方向滑塊, 第一電機和第一支架,控制系統控制第一電機驅動列印小車沿第一方向運動,運動過程中列印小車下方安裝的第一方向滑塊與第一支架上方的第一方向導軌配合以約束運動方向。上述噴墨列印裝置中,所述第一方向導軌在列印平臺上方的前後兩端各設置一根,列印小車的底面安裝在兩根導軌上,每根導軌上配合設置兩個滑塊。In the above inkjet printing device, the first direction driving mechanism includes a first energy chain, a first direction guide, a first direction slider, a first motor, and a first bracket, and the control system controls the first motor to drive the printing unit. The vehicle moves in the first direction. During the movement, the first direction slider installed below the printing cart cooperates with the first direction guide rail above the first bracket to restrict the movement direction. In the above inkjet printing device, the first direction guide rail is provided at each of the front and rear ends above the printing platform, and the bottom surface of the print carriage is installed on two guide rails, and two slide rails are arranged in cooperation with each other. Piece.
上述噴墨列印裝置中,所述印小車由第一方向驅動機構驅動、以自所述第一方向上相對於列印介質進行往復運動並由噴頭噴射墨滴,往返多遍疊加列印後,第三方向驅動機構驅動列印小車沿與列印平臺垂直的第三方向上升,然後控制系統繼續控制列印小車在第一方向上往返疊加列印。In the above inkjet printing device, the printing carriage is driven by a first-direction driving mechanism to reciprocate with respect to the printing medium from the first direction and eject ink droplets from a nozzle, and superimpose printing multiple times back and forth Then, the third-direction driving mechanism drives the printing cart to rise in the third direction perpendicular to the printing platform, and then the control system continues to control the printing cart to print back and forth in the first direction.
上述噴墨列印裝置中,所述列印小車由第一方向驅動機構驅動、以自所述第一方向上相對於列印介質進行往復運動並由噴頭噴射墨滴,所述列印小車再次運動至第一方向上開始端後由第二方向驅動機構驅動、以自所述第二方向相對於列印介質進行步進移動,然後列印小車在自所述第一方向上繼續往復運動並由噴頭噴射墨滴,如此反復多遍疊加列印後,第三方向驅動機構驅動列印小車沿與列印平臺垂直的第三方向上升,然後控制系統繼續控制列印小車在第一方向與第二方向上配合運動進行疊加列印。In the above inkjet printing device, the printing cart is driven by a first direction driving mechanism to reciprocate with respect to the printing medium from the first direction and eject ink droplets from a nozzle, and the printing cart is After the cart moves to the starting end in the first direction again, it is driven by the second direction driving mechanism to make stepwise movement relative to the printing medium from the second direction, and then the printing cart continues in the first direction. The reciprocating motion and the ink droplets are ejected by the nozzle. After repeated printing multiple times in this way, the third direction driving mechanism drives the printing carriage to rise in the third direction perpendicular to the printing platform, and then the control system continues to control the printing carriage at The first direction and the second direction cooperate to perform superimposed printing.
上述噴墨列印裝置中,還包括裝料、卸料裝置,設置於列印平臺的前後兩端,用於對板材類列印介質自動化上料、卸料操作。The inkjet printing device further includes a loading and unloading device, which is arranged at the front and rear ends of the printing platform and is used for automatic loading and unloading operations of the plate-like printing medium.
本發明提出上述噴墨列印裝置的列印方法,其特徵在於,所述列印方法由安裝於所述列印小車上的噴頭噴出墨滴,並由設置在所述列印小車上的固化裝置向列印介質照射紫外線來使墨滴固化從而實現列印,所述列印小車沿所述第一方向相對於列印介質進行往返移動,所述送紙機構沿所述第一方向間接輸送列印介質;所述列印方法包括下述步驟:第一步,控制系統控制所述列印小車沿第一方向相對於列印介質進行往返運動並自所述噴頭向列印介質噴射墨滴、同時控制固化裝置照射紫外線使墨滴固化,使處於列印平臺上的列印介質的列印圖像列印完;第二步,控制系統控制送紙機構沿所述第一方向輸送與列印平臺在所述第一方向上的長度等量的列印介質,同時列印小車運動回列印起始端;第三步,重複所述第一步、第二步直至安裝於送紙機構上的列印介質列印完成。The invention provides the printing method of the inkjet printing device, characterized in that the printing method ejects ink droplets from a nozzle mounted on the printing trolley, and is arranged on the printing trolley. The curing device irradiates the printing medium with ultraviolet rays to cure the ink droplets to achieve printing. The printing cart moves back and forth relative to the printing medium in the first direction, and the paper feeding mechanism moves along the first The printing medium is conveyed indirectly in the direction. The printing method includes the following steps. In the first step, the control system controls the printing cart to move back and forth relative to the printing medium in a first direction and print from the nozzle to the print head. The medium ejects ink droplets, and at the same time controls the curing device to irradiate ultraviolet rays to cure the ink droplets, so that the printing image of the printing medium on the printing platform is finished printing. In the second step, the control system controls the paper feeding mechanism along the first Convey the printing medium in the same direction as the length of the printing platform in the first direction, and move the printing carriage back to the beginning of printing. In the third step, repeat the first and second steps until installation. Printing on the paper feed mechanism Print quality is completed.
本發明還提出上述噴墨列印裝置的列印方法,其特徵在於,所述列印方法由安裝於所述列印小車上的噴頭噴出墨滴,並由設置在所述列印小車兩端的固化裝置向列印介質照射紫外線來使墨滴固化從而實現列印,所述列印小車沿所述第一方向相對於列印介質進行往返移動,所述列印小車沿與所述列印平臺垂直的第三方向相對於列印介質進行升降移動;所述列印方法包括下述步驟:The present invention also provides a printing method of the inkjet printing device, wherein the printing method ejects ink droplets from a nozzle installed on the printing cart, and the printing method is provided on the printing cart. The curing devices at both ends irradiate the printing medium with ultraviolet rays to cure the ink droplets to realize printing. The printing cart moves back and forth relative to the printing medium in the first direction, and the printing cart The vertical third direction of the printing platform moves up and down relative to the printing medium; the printing method includes the following steps:
第一步,控制系統控制所述列印小車沿第一方向相對於列印介質進行往返運動並自所述噴頭向列印介質噴射墨滴,同時控制固化裝置照射紫外線使墨滴固化;In a first step, the control system controls the printing cart to move back and forth relative to the printing medium in a first direction and ejects ink droplets from the nozzle to the printing medium, and at the same time controls the curing device to irradiate ultraviolet rays to cure the ink droplets;
第二步,列印小車沿第一方向相對於列印介質多遍往返疊加列印後,第三方向驅動機構驅動列印小車沿與列印平臺垂直的第三方向上升;In the second step, after the printing trolley is superimposed for multiple passes in the first direction relative to the printing medium, the third direction driving mechanism drives the printing trolley to rise in the third direction perpendicular to the printing platform;
第三步,重複所述第一步、第二步直至位於列印平臺上列印介質的列印圖像達到所需的立體效果。In the third step, the first step and the second step are repeated until the printing image of the printing medium on the printing platform reaches the required three-dimensional effect.
本發明還提出上述噴墨列印裝置的另一種列印方法,其特徵在於,所述列印方法由安裝於所述列印小車上的噴頭噴出墨滴,並由設置在所述列印小車兩端的固化裝置向列印介質照射紫外線來使墨滴固化從而實現列印,所述支架沿所述第一方向相對於列印介質進行相對往返移動,所述列印小車沿與所述第一方向垂直的第二方向相對於列印介質進行步進移動,所述列印小車沿與所述列印平臺垂直的第三方向相對於列印介質進行升降移動;所述列印方法包括下述步驟:The present invention also proposes another printing method of the above inkjet printing device, wherein the printing method ejects ink droplets from a nozzle installed on the printing cart, and the printing method is provided on the printing device. The curing devices at both ends of the trolley irradiate the printing medium with ultraviolet rays to cure the ink droplets to achieve printing. The bracket moves relative to the printing medium in the first direction to and fro relative to the printing medium. The second direction perpendicular to the first direction is stepwise moved relative to the print medium, and the print trolley is moved up and down relative to the print medium in a third direction perpendicular to the print platform; the print The method includes the following steps:
第一步,控制系統控制所述列印小車沿第一方向相對於列印介質進行往返運動並自所述噴頭向列印介質噴射墨滴,同時控制固化裝置照射紫外線使墨滴固化;In a first step, the control system controls the printing cart to move back and forth relative to the printing medium in a first direction and ejects ink droplets from the nozzle to the printing medium, and at the same time controls the curing device to irradiate ultraviolet rays to cure the ink droplets;
第二步,列印小車再次運動至第一方向起始端後,控制系統控制列印小車沿與所述第一方向垂直的第二方向相對於列印介質進行步進移動;In the second step, after the printing cart moves to the beginning of the first direction again, the control system controls the printing cart to move stepwise relative to the printing medium in a second direction perpendicular to the first direction;
第三步,重複所述第一步、第二步直至列印圖像達到所需解析度,然後列印小車沿與第一方向垂直的第二方向返回至列印起始位置;The third step is to repeat the first and second steps until the print image reaches the required resolution, and then the print carriage returns to the print starting position in a second direction perpendicular to the first direction;
第四步,重複所述第一步、第二步和第三步直至列印圖像疊加至預設高度,控制系統控制列印小車沿第三方向上升;The fourth step is to repeat the first, second, and third steps until the print image is superimposed to a preset height, and the control system controls the print trolley to rise in the third direction;
第五步,重複第一步、第二步、第三步和第四步直至處於列印平臺上列印介質的列印圖像達到所需的立體效果。Fifth step, repeat the first step, the second step, the third step, and the fourth step until the printed image on the printing medium on the printing platform reaches the desired three-dimensional effect.
相對于現有技術的噴墨列印裝置,本發明的噴墨列印裝置具有如下優點:Compared with the prior art inkjet printing device, the inkjet printing device of the present invention has the following advantages:
1、本發明的噴墨列印裝置通過對列印小車設置第一方向和第三方向的驅動機構,使其能夠實現3D立體效果列印。1. The inkjet printing device of the present invention is capable of realizing 3D three-dimensional effect printing by providing driving mechanisms of a first direction and a third direction to a printing cart.
2、本發明的噴墨列印裝置在onepass印表機基礎上設置列印平臺,加大了印表機的使用範圍,不僅可以列印卷材類列印物件,還可進行板材類列印對象的列印工作。2. The inkjet printing device of the present invention is provided with a printing platform on the basis of the onepass printer, which increases the range of use of the printer, and can not only print printing materials such as roll materials, but also print materials such as plates. Printing of objects.
3、本發明的噴墨列印裝置通過對列印小車設置第二方向驅動機構,可以在原有噴頭精度的基礎上,增大列印圖案的解析度,提高列印品質。3. The inkjet printing device of the present invention can increase the resolution of the printing pattern and improve the printing quality based on the accuracy of the original nozzle by setting the second direction driving mechanism to the printing cart.
4、本發明的噴墨列印裝置通過將第二驅動機構設置在安裝列印小車的支架上以驅動列印小車沿第二方向運動,使列印裝置的結構簡單,降低成本。4. The inkjet printing device of the present invention sets the second driving mechanism on a bracket installed with the printing cart to drive the printing cart to move in the second direction, so that the structure of the printing device is simple and the cost is reduced.
5、本發明噴墨列印裝置中的列印小車可在三個方向運動,通過控制列印小車、列印平臺或送紙機構的組合運動實現多種列印模式,使列印裝置功能全面,在本領域增加競爭力。5. The printing cart in the inkjet printing device of the present invention can move in three directions. By controlling the combined movement of the printing cart, the printing platform, or the paper feeding mechanism, a variety of printing modes can be realized to make the printing device function. Comprehensive, increase competitiveness in this field.
下面結合附圖詳細說明本發明的噴墨列印裝置及噴墨列印方法。The inkjet printing device and the inkjet printing method of the present invention will be described in detail below with reference to the drawings.
如圖1和圖2所示,本發明中的噴墨列印裝置包括第一方向驅動機構1、第二方向驅動機構2、第三方向驅動機構3、列印小車4、列印平臺5、刮墨維護裝置6、送紙機構7及控制系統(圖中未視出)。列印小車4安裝在列印平臺5上方,在列印小車4上安裝包括用於噴射品紅色(M)、黃色(Y)、青色(C)和黑色(K)墨水的列印噴頭,每一色墨水的噴頭至少為一個,為提高列印速度可以採用多個噴頭列印同一色墨水。在本發明的列印小車4上還可以設置噴射白色(W)墨水和/或透明色(V)墨水的列印噴頭,同時也可設置專色墨水的列印噴頭。列印小車4橫跨在列印平臺5的寬度方向,列印噴頭的整體列印寬度大於或等於下方安置的列印物件的寬度。在列印小車4上可設置用於容納墨水的墨水匣及相應的負壓控制系統。本發明的列印噴頭使用的墨水為UV墨水。在列印小車4的兩端各安裝一固化裝置41,用於對噴出的墨水進行乾燥處理。本發明的固化裝置由沿第二方向(Y軸方向)排列設置的多個用於照射紫外線的LED構成,本發明也可只在列印小車4的一端安裝一固化裝置,如只在列印小車的左端安裝一固化裝置或者只在列印小車的右端安裝一固化裝置。固化裝置的照射強度也可設置為可智慧調節的方式。As shown in FIGS. 1 and 2, the inkjet printing device in the present invention includes a first direction driving mechanism 1, a second direction driving mechanism 2, a third direction driving mechanism 3, a printing cart 4, and a printing platform 5. , Ink scraping maintenance device 6, paper feeding mechanism 7, and control system (not shown in the figure). The printing carriage 4 is installed above the printing platform 5, and the printing carriage 4 is equipped with a printing head including jetting magenta (M), yellow (Y), cyan (C) and black (K) inks. There is at least one print head for each color of ink. To increase the printing speed, multiple print heads can be used to print the same color ink. The print cart 4 of the present invention may further be provided with a print head that ejects white (W) ink and / or transparent (V) ink, and may also be provided with a print head for spot-color ink. The printing trolley 4 spans the width direction of the printing platform 5, and the overall printing width of the printing head is greater than or equal to the width of the printing objects arranged below. An ink cartridge for accommodating ink and a corresponding negative pressure control system may be provided on the printing cart 4. The ink used in the print head of the present invention is UV ink. A curing device 41 is installed at each of the two ends of the printing cart 4 for drying the ejected ink. The curing device of the present invention is composed of a plurality of LEDs for irradiating ultraviolet rays arranged in a second direction (Y-axis direction). The present invention can also install a curing device only at one end of the printing cart 4, such as A curing device is installed at the left end of the printing cart or a curing device is installed only at the right end of the printing cart. The irradiation intensity of the curing device can also be set in a smartly adjustable manner.
在列印小車4的初始位置下方設置一刮墨維護裝置6,刮墨維護裝置6用於對列印小車4下方安裝的噴頭進行刮拭,防止噴孔堵塞;在印表機停止工作時,刮墨維護裝置6還可對噴頭進行保濕維護,防止噴孔中墨水幹結凝固,避免損壞噴孔,確保噴繪品質。An ink-scraping maintenance device 6 is provided below the initial position of the printing cart 4. The ink-scraping maintenance device 6 is used to wipe the nozzles installed below the printing cart 4 to prevent the nozzle holes from being blocked; the printer stops working At this time, the ink-scraping maintenance device 6 can also perform moisturizing maintenance on the nozzle to prevent the ink from drying and solidifying in the nozzle hole, avoiding damage to the nozzle hole, and ensuring the printing quality.
列印小車4可在控制系統控制下進行三個方向的運動,即第一方向為圖中X軸方向(X軸方向與第一支架15所在方向平行),第二方向為圖中Y軸方向(X軸與Y軸方向垂直),第三方向為圖中Z軸方向(即與列印平臺5垂直的高度方向)。分別通過第一方向驅動機構1、第二方向驅動機構2和第三方向驅動機構3控制列印小車4在三個方向上的運動,如圖3所示。The print cart 4 can be moved in three directions under the control of the control system, that is, the first direction is the X-axis direction in the figure (the X-axis direction is parallel to the direction of the first bracket 15), and the second direction is the Y-axis in the figure Direction (the X axis is perpendicular to the Y axis direction), and the third direction is the Y axis direction in the figure (that is, the height direction perpendicular to the printing platform 5). The movement of the printing cart 4 in three directions is controlled by the first direction driving mechanism 1, the second direction driving mechanism 2, and the third direction driving mechanism 3, respectively, as shown in FIG.
第一方向驅動機構1包括第一拖鏈11,第一方向導軌12,第一方向滑塊13, 第一電機14和第一支架15,控制系統控制第一電機14驅動列印小車4以一基本恒定的速度沿第一方向(X軸方向)反復運動,運動過程中列印小車4下方安裝的第一方向滑塊13與第一支架15上方的第一方向導軌12配合以約束運動方向,本實施例設置有兩個第一方向導軌12,分別在列印平臺5寬度方向前後兩側邊位置,列印小車4橫跨安裝至兩第一方向導軌12上方,列印小車下端沿X軸方向兩側分別各設置兩個第一方向滑塊13與第一方向導軌12配合。第一方向驅動機構1還包括第一拖鏈11,第一拖鏈11安裝在拖鏈板(圖中未示出)上,第一拖鏈11隨列印小車4沿第一方向(X軸方向)往復運動。在列印小車4沿第一方向(X軸方向)運動過程中,控制系統還需控制其下方的噴頭將墨滴噴射至列印介質上。The first direction driving mechanism 1 includes a first energy chain 11, a first direction guide rail 12, a first direction slider 13, a first motor 14, and a first bracket 15. The control system controls the first motor 14 to drive the printing cart 4 to A substantially constant speed repeatedly moves in the first direction (X-axis direction). During the movement, the first-direction slider 13 installed below the print cart 4 cooperates with the first-direction guide rail 12 above the first bracket 15 to restrict the movement. Direction, in this embodiment, two first direction guide rails 12 are provided, which are respectively located at the front and back sides of the printing platform 5 in the width direction. The printing trolley 4 is installed across the two first direction guide rails 12 to print the trolleys. Two first-direction sliders 13 are respectively arranged on the lower end along the X-axis direction to cooperate with the first-direction guide rail 12. The first direction driving mechanism 1 further includes a first energy chain 11. The first energy chain 11 is mounted on an energy chain plate (not shown in the figure). The first energy chain 11 follows the printing trolley 4 in the first direction (X Axis direction) reciprocating motion. During the movement of the printing cart 4 in the first direction (X-axis direction), the control system also needs to control the nozzles below it to eject ink droplets onto the printing medium.
第二方向驅動機構2包括第二拖鏈21,第二方向導軌22,第二方向滑塊23,第二支架24和第二電機(圖中未示出),控制系統可控制第二電機驅動列印小車4沿第二方向(Y軸方向)運動,運動過程中列印小車4下方安裝的第二方向滑塊23與第二支架24上方安裝的第二方向導軌22配合以約束Y軸運動方向,本實施例設置兩個第二方向導軌22,列印小車下方沿Y軸方向兩側分別各設置兩個第二方向滑塊23與第二方向導軌22配合。第二方向驅動機構2中的第二拖鏈21安裝在拖鏈板(圖中未示出)上,拖鏈板為凹槽結構,第二拖鏈21隨列印小車4沿第二方向(Y軸向)步進運動。在列印小車4沿第二方向(Y方向)運動過程中,噴頭不噴射墨滴。The second direction driving mechanism 2 includes a second energy chain 21, a second direction guide 22, a second direction slider 23, a second bracket 24, and a second motor (not shown in the figure). The control system can control the second motor driving The printing carriage 4 moves in the second direction (Y-axis direction). During the movement, the second direction slider 23 installed below the printing carriage 4 cooperates with the second direction guide 22 installed above the second bracket 24 to restrain Y In the direction of the axis movement, two second-direction guide rails 22 are provided in this embodiment, and two second-direction sliders 23 are respectively arranged on the two sides of the print carriage along the Y-axis direction to cooperate with the second-direction guide rails 22. The second towline 21 in the second direction driving mechanism 2 is installed on the towline plate (not shown in the figure), the towline plate has a groove structure, and the second towline 21 follows the second direction along with the printing trolley 4 (Y-axis) step motion. During the movement of the print cart 4 in the second direction (Y direction), the inkjet head does not eject ink droplets.
第三方向驅動機構3包括第三電機31,第三方向氣頂杆32,控制系統可控制第三電機31驅動列印小車4沿第三方向(Z軸方向)升降運動,本實施例設置四個第三方向氣頂杆32,同時設置四組光軸、軸承座(圖中未示出)約束Z軸運動方向。升降裝置還可採取其他方式,只要能保證列印小車4沿第三方向(Z軸方向)垂直運動即可。第三方向驅動機構3可帶動列印小車4沿第三方向(Z軸方向)垂直升降以調節噴頭與列印介質之間的距離,此外也可進行微小的高度升降操作以用於列印具有凹凸質感的3D立體效果。The third direction driving mechanism 3 includes a third motor 31 and a third direction air jack 32. The control system can control the third motor 31 to drive the printing cart 4 to move up and down in the third direction (Z-axis direction). This embodiment is provided Four third-direction gas jacks 32 are provided with four sets of optical axes and bearing seats (not shown in the figure) to restrict the Z-axis movement direction. The lifting device can also adopt other methods, as long as it can ensure that the printing trolley 4 moves vertically in the third direction (Z-axis direction). The third direction driving mechanism 3 can drive the printing cart 4 to vertically move in the third direction (Z-axis direction) to adjust the distance between the print head and the printing medium. In addition, it can also perform a slight height lifting operation for printing. 3D stereo effect with uneven texture.
本發明的送紙機構7包括收紙機構71、放紙機構72、驅動輥及多個導向輥(圖中未標注),沿第一方向(X軸方向)在列印平臺5的左右兩端分別設置一左導向輥和一右導向輥,當列印介質為卷材類材料時,列印介質安裝在放紙機構72上,列印介質的一端經過多個導向輥繞在列印平臺5的右端的右導向輥上,然後列印介質橫跨整個列印平臺5繞在列印平臺5的左端的左導向輥上,然後經驅動輥和多個導向輥繞在收紙機構71上。The paper feeding mechanism 7 of the present invention includes a paper receiving mechanism 71, a paper discharging mechanism 72, a driving roller, and a plurality of guide rollers (not shown in the figure), and is located at the left and right ends of the printing platform 5 in the first direction (X-axis direction). A left guide roller and a right guide roller are respectively provided. When the printing medium is a roll material, the printing medium is installed on the paper discharging mechanism 72, and one end of the printing medium is wound around the printing platform 5 through a plurality of guide rollers. On the right guide roller at the right end of the printer, the printing medium is wound on the left guide roller at the left end of the print platform 5 across the entire printing platform 5, and then is wound on the delivery mechanism 71 via the driving roller and a plurality of guide rollers.
本發明中的列印平臺5為長方形,沿第一方向(X軸方向)列印平臺的長度大於沿第二方向(Y軸方向)列印平臺的長度,本發明的送紙機構7為連續進紙或間歇式進紙,當間歇式進紙時,待位於列印平臺上的列印介質列印完之後,控制系統控制送紙機構7每次進紙量為列印平臺5在第一方向(X軸方向)上的長度。The printing platform 5 in the present invention is rectangular. The length of the printing platform in the first direction (X-axis direction) is longer than the length of the printing platform in the second direction (Y-axis direction). The paper feeding mechanism 7 of the present invention is continuous. Paper feeding or intermittent feeding. When intermittent feeding, after the printing medium on the printing platform finishes printing, the control system controls the paper feeding mechanism 7 for each feeding amount for the printing platform 5 in the first place. Length in the direction (X-axis direction).
當列印介質為板材類材料時,不需要送紙機構7工作,可直接將板材類介質放置於列印平臺5上進行列印,還可設置配套治具於列印平臺5上以約束列印介質的位置。還可沿第二方向(Y軸方向)即列印平臺5寬度方向前後兩端設置自動上料卸料裝置,進行對板材類列印介質的自動裝卸料操作。When the printing medium is a plate material, the paper feeding mechanism 7 is not required to work, and the plate medium can be directly placed on the printing platform 5 for printing, and a supporting fixture can be set on the printing platform 5 to restrict the printing. Print media location. Automatic loading and unloading devices can also be installed along the second direction (Y-axis direction), ie, the front and back ends of the printing platform 5 in the width direction, to perform automatic loading and unloading operations on sheet printing media.
本發明中的列印小車4在列印過程中運動方式有以下幾種:列印小車4以自第一方向(X軸方向)的一端(圖中右端)移動至另一端(圖中左端)且自另一端返回到一端的方式相對於列印介質進行相對移動並且噴射墨水,當列印小車沿第一方向(X軸方向)往復疊加列印N遍後,控制系統控制列印小車4沿第三方向(Z軸方向)上升微小距離,然後列印小車4繼續以自第一方向(X軸方向)的一端(圖中右端)移動至另一端(圖中左端),且自另一端返回到一端的方式往復疊加列印N遍,然後控制系統控制列印小車4沿第三方向(Z軸方向)上升微小距離,如此反復,直至完成列印需求。此種情況應用於列印凹凸3D立體效果且噴頭在第二方向(Y軸方向)列印寬度覆蓋列印介質待列印範圍的情況。The printing cart 4 in the present invention has the following movement modes during printing: The printing cart 4 moves from one end (right end in the figure) in the first direction (X-axis direction) to the other end (in the figure) (Left end) and returning from the other end to the other end to move relative to the printing medium and eject ink. When the printing cart reciprocates and prints N times in the first direction (X-axis direction), the control system controls the printing The trolley 4 rises a small distance in the third direction (Z-axis direction), and then the printing trolley 4 continues to move from one end (right end in the figure) to the other end (left end in the figure) in the first direction (X-axis direction). And the printing is repeated N times from the other end to the end, and then the control system controls the printing trolley 4 to rise a small distance in the third direction (Z axis direction), and so on until the printing requirements are completed. This case is applied to the case of printing a concave-convex 3D three-dimensional effect and the print width of the print head in the second direction (Y-axis direction) covers the to-be-printed range of the print medium.
若在上述列印方式基礎上提高解析度,可加入列印小車4在第二方向(Y軸方向)的步進運動:列印小車4還是先以自第一方向(X軸方向)的一端(圖中右端)移動至另一端(圖中左端)且自另一端返回到一端的方式相對於列印介質進行相對移動並噴射墨水,然後列印小車4在一端(起始端)的狀態下沿第二方向(Y軸方向)相對於列印介質進行相對步進運動(由後往前運動),接著列印小車4繼續以自第一方向(X軸方向)的一端(圖中右端)移動至另一端(圖中左端)且自另一端返回到一端的方式相對於列印介質進行相對移動並噴射墨水,如此反復,以此種方式達到所需解析度後,列印小車4沿第二方向(Y軸方向)重新回到初始端,再繼續以此運動方式第二遍噴射墨水,如此反復,直至疊加列印N遍後,控制系統控制列印小車4沿第三方向(Z軸方向)上升微小距離,然後列印小車4重新以自第一方向(X軸方向)的一端(圖中右端)移動至另一端(圖中左端)且自另一端返回到一端並噴射墨水,然後列印小車4在一端的狀態下沿第二方向(Y軸方向)相對于列印介質步進運動(由後往前運動),此種方式直至疊加列印N遍後,列印小車4再沿第三方向(Z軸方向)上升微小距離,如此反復,最終列印出高解析度的凹凸3D立體效果圖像。If the resolution is improved on the basis of the above printing method, a stepping motion of the printing cart 4 in the second direction (Y-axis direction) can be added: The printing cart 4 still starts from the first direction (X-axis direction) Move one end (the right end in the figure) to the other end (the left end in the figure) and return to the end from the other end to move relative to the print medium and eject the ink, and then print the cart 4 at one end (starting end). In the state, relative stepping motion (moving from back to front) is performed relative to the printing medium in the second direction (Y-axis direction), and then the printing trolley 4 continues from one end in the first direction (X-axis direction) (Figure Middle right end) Move to the other end (left end in the figure) and return to one end from the other end to move relative to the print medium and eject the ink. Repeat this way. After the required resolution is reached in this way, the print The car 4 returns to the original end along the second direction (Y-axis direction), and then continues to eject ink for the second time in this movement mode. This is repeated until N times are superimposed and printed, and the control system controls the print car 4 along the first Three directions (Z-axis direction) A small distance, then the printing trolley 4 moves from one end (right end in the figure) to the other end (left end in the figure) of the first direction (X-axis direction) again and returns to the other end from the other end and ejects ink, and then prints The carriage 4 moves stepwise (from the back to the front) relative to the printing medium in the second direction (Y-axis direction) with one end. In this way, the carriage 4 is printed again after printing N times. Raise a small distance along the third direction (Z-axis direction), and repeat this process. Finally, a high-resolution 3D stereoscopic effect image is printed.
當列印介質是卷材類時,需要送紙機構7的配合工作,列印小車4仍然執行與上述列印方式相同的運動進行列印平臺5區域的圖像列印,隨後送紙機構7輸送與列印平臺在所述第一方向上的長度等量的列印介質,列印小車4再重新進行上述方式列印,如此反復,直至整個卷材介質列印完成。When the printing medium is a roll material, the cooperation of the paper feeding mechanism 7 is required. The printing trolley 4 still performs the same movement as the printing method described above to print the image of the area of the printing platform 5 and then the paper feeding mechanism. 7 Convey the printing medium of the same length as the printing platform in the first direction, and the printing cart 4 performs the printing in the above manner again, and so on until the printing of the entire roll medium is completed.
當不需要列印3D效果時,第三方向驅動機構3只應用在列印前,驅動列印小車4沿第三方向(Z軸方向)上下移動調節列印噴頭所在平面與列印介質之間的距離以適應不同厚度的列印介質。在列印過程中,軟體控制程式去除第三方向驅動機構3的控制運動及圖像的反復疊加過程。When the 3D effect is not needed for printing, the third-direction driving mechanism 3 is only applied before printing, and the printing carriage 4 is driven to move up and down in the third direction (Z-axis direction) to adjust the plane of the print head and the printing medium. Distance to accommodate different thicknesses of print media. During the printing process, the software control program removes the control motion of the third direction driving mechanism 3 and the repeated superimposition process of the image.
本發明中的列印小車4在第一方向和第二方向的運動順序還可以應用以下方式:列印小車4以自第一方向上的一端移動至另一端後,列印小車4在另一端的狀態下沿第二方向相對於列印介質進行相對移動,然後列印小車4沿第一方向自另一端相對於列印介質移動至一端。其他運動方式均不變。The movement sequence of the printing cart 4 in the first direction and the second direction in the present invention can also be applied in the following manner: After the printing cart 4 is moved from one end to the other end in the first direction, the printing cart 4 In the state of the other end, relative movement is performed relative to the print medium in the second direction, and then the print cart 4 is moved from the other end to the print medium in one direction in the first direction. The other movement modes are unchanged.
此外,列印小車4還可在列印前被第一方向驅動機構驅動至一固定位置後不再運動,控制系統控制列印小車4下方的卷材類列印介質連續沿第一方向(X軸方向)運動同時控制列印小車4上的噴頭噴墨,實現一遍通過列印的方式,通常應用於可變資料的列印。In addition, the printing trolley 4 can also stop moving after being driven to a fixed position by the first-direction driving mechanism before printing, and the control system controls the roll-type printing medium below the printing trolley 4 to continue in the first direction. (X-axis direction) Movement at the same time controls the inkjet of the nozzles on the printing cart 4 to achieve one-pass printing, which is usually applied to printing of variable data.
圖4為本發明噴墨列印裝置的一種3D立體效果的列印方法流程圖,該種方法應用於卷材類列印介質。本發明的噴墨列印方法包括由安裝於列印小車的噴頭噴出墨滴,並由設置在列印小車兩端的固化裝置向列印介質照射紫外線來使墨滴固化從而實現列印,列印小車4沿第一方向(X軸方向)相對於列印介質進行往返移動,列印小車沿與列印平臺垂直的第三方向(Z軸方向)相對於列印介質進行升降移動;該噴墨列印方法包括下述步驟:第一步S1,噴墨列印開始前,安裝卷材類列印介質經過列印平臺5上方並置於整個送紙機構上,即從放紙機構72開始經過多個導向輥,繞過列印平臺5後再經驅動輥、導向輥繞至收紙機構71上。第二步S2,通過調節第三方向驅動機構使列印小車4沿第三方向(Z軸方向)上下運動以使列印小車上噴嘴所在平面與列印介質之間的距離為最適於列印的距離,噴墨列印領域中最適於列印的距離為2~3mm。第三步S3,控制系統一邊控制第一方向驅動機構1帶動列印小車4沿第一方向(X軸方向)相對於列印介質從一端(列印平臺的右端)至另一端(列印平臺的左端)進行往復運動,一邊自列印噴頭向列印介質噴射墨滴,並且自固化裝置中照射紫外線將墨滴固化,如此往復列印多次將墨滴進行疊加。第四步S4,當列印介質上墨滴疊加至預設高度(或列印小車往返的次數達到程式預設次數)時,第三方向驅動機構驅動列印小車4沿第三方向(Z軸方向)上升微小距離(本實施例可設置列印小車往復10次後列印小車沿第三方向上升0.2mm的距離,實際情況還需要根據墨水測量實驗確定)。第五步S5,第一方向驅動機構1繼續帶動列印小車4沿第一方向(X軸方向)往復運動進行墨滴疊加,並且固化裝置照射紫外線使墨滴固化。第六步S6,判斷列印平臺上列印介質的圖像是否列印至所需的高度,若沒有列印至所需高度,重複第三步S3、第四步S4、第五步S5和第六步S6;若已經列印至所需高度,執行第七步S7:送紙機構驅動列印介質沿第一方向(X軸方向)前進與列印平臺在第一方向上的長度等量的距離(或使送紙機構以一預定量沿第一方向進給下一屏列印介質)。第八步S8,判斷整個列印介質是否將列印圖像列印完成,若已經完成則直接結束列印,若未完成則重新跳轉至程式第二步S2開始,直至將列印介質全部列印完成。FIG. 4 is a flowchart of a 3D three-dimensional printing method for an inkjet printing device according to the present invention. The method is applied to a roll-type printing medium. The inkjet printing method of the present invention includes ejecting ink droplets from a nozzle mounted on a printing trolley, and irradiating the printing medium with ultraviolet rays from a curing device provided at both ends of the printing trolley to cure the ink droplets to achieve printing, The printing cart 4 moves back and forth relative to the printing medium in a first direction (X-axis direction), and the printing cart moves up and down relative to the printing medium in a third direction (Z-axis direction) perpendicular to the printing platform. ; The inkjet printing method includes the following steps: Step S1, before the inkjet printing starts, the roll-type printing medium is installed above the printing platform 5 and placed on the entire paper feeding mechanism, that is, from the paper discharging mechanism 72 starts to pass through a plurality of guide rollers, and then passes around the printing platform 5 and then passes through the driving roller and the guide roller to the paper receiving mechanism 71. In the second step S2, by adjusting the third direction driving mechanism, the printing cart 4 is moved up and down in the third direction (Z-axis direction) so that the distance between the plane on which the nozzle is located on the printing cart and the printing medium is the most suitable. Printing distance, the most suitable printing distance in the field of inkjet printing is 2 ~ 3mm. In the third step S3, the control system controls the first direction driving mechanism 1 to drive the printing cart 4 along the first direction (X-axis direction) relative to the printing medium from one end (the right end of the printing platform) to the other end (printing The left end of the platform) reciprocates, sprays ink droplets from the print head to the printing medium, and irradiates ultraviolet rays in the self-curing device to cure the ink droplets. In this way, the ink droplets are repeatedly printed repeatedly to superimpose the ink droplets. The fourth step S4, when the ink droplets on the printing medium are superimposed to a preset height (or the number of times that the printing cart reciprocates reaches the preset number of programs), the third direction driving mechanism drives the printing cart 4 along the third direction ( Z axis direction) Rise minute distance (In this embodiment, the distance that the print carriage rises 0.2 mm in the third direction can be set after the print carriage reciprocates 10 times, and the actual situation needs to be determined based on ink measurement experiments). In a fifth step S5, the first-direction driving mechanism 1 continues to drive the printing cart 4 to reciprocate in the first direction (X-axis direction) to superimpose ink droplets, and the curing device irradiates ultraviolet rays to cure the ink droplets. The sixth step S6 is to judge whether the image of the printing medium on the printing platform is printed to the required height. If it is not printed to the required height, repeat the third step S3, the fourth step S4, the fifth step S5 and Step S6; if printing to the required height, perform step S7: the paper feed mechanism drives the printing medium to advance in the first direction (X-axis direction) and is equal to the length of the printing platform in the first direction (Or make the paper feed mechanism feed the next screen of print media in a first direction by a predetermined amount). The eighth step S8 is to determine whether the entire printing medium has finished printing the printed image. If it has been completed, it will directly end the printing. If it is not completed, it will jump to the second step S2 of the program to start until all the printing medium is printed. Printing is complete.
當不需要列印3D立體效果的卷材類列印介質時,同樣執行S1-S2後,在S3步驟中,控制系統只控制列印小車4在沿第一方向(X軸方向)相對於列印介質從一端(列印平臺的右端)至另一端(列印平臺的左端)的往返過程中噴射墨滴列印(往返一遍或兩遍),不再進行墨滴的反復疊加,然後直接進行步驟S7:送紙機構驅動列印介質沿第一方向(X軸方向)前進與列印平臺在第一方向上的長度等量的距離(或使送紙機構以一預定量沿第一方向進給下一屏列印介質),接著繼續執行步驟S3,如此反復,直至所有卷材類列印介質列印完成。When it is not necessary to print a 3D effect roll-type printing medium, after executing S1-S2, in step S3, the control system only controls the printing cart 4 in the first direction (X-axis direction) relative to Spray ink droplets to print (round trip or round trip) from one end (the right end of the printing platform) to the other end (the left end of the printing platform), instead of superimposing the ink droplets repeatedly, then directly Go to step S7: the paper feeding mechanism drives the printing medium to advance in the first direction (X-axis direction) by a distance equal to the length of the printing platform in the first direction (or make the paper feeding mechanism in the first direction by a predetermined amount) Feed the next screen of print media), then continue to step S3, and so on, until all roll-type print media are printed.
當列印3D立體效果應用於板材類列印介質時,執行如圖5所示的列印步驟:第一步S01安裝板材類列印介質於列印平臺上方,接下來第二步S02-第六步S06均與上述S2-S6步驟的列印方法相同,在第六步S06判斷列印平臺上列印介質的圖像是否列印至所需高度時,若沒有列印至所需高度,同樣重複第三步S03至第六步S06;若已經列印至所需高度,則執行第七步S07:卸載此批次的板材類列印介質,並更換下一批次的待列印板材介質,在更換介質時,可以採用人工的方式裝卸,也可以設置自動化上料機構和卸料機構進行自動裝卸,此裝卸機構設置於沿第二方向(Y軸方向)列印平臺寬度方向的前後兩側,本實施例並不對此具體形式加以限制。第八步S08,判斷是否將所有待列印介質列印完成,若已經全部列印完成則直接結束列印,若未完成則重新跳轉至程式第一步S01安裝新的板材類列印介質,再按上述步驟繼續工作,直至將所有板材類列印介質列印完成。When printing 3D stereo effect on sheet printing media, execute the printing steps as shown in Figure 5: Step S01 install sheet printing media above the printing platform, and then step S02- The six steps of S06 are the same as the printing method of steps S2-S6 above. When determining whether the image of the print medium on the printing platform is printed to the required height in step S06, if it is not printed to the required height, Repeat the same steps from step S03 to step S06; if the required height has been printed, go to step S07: unload this batch of sheet printing media and replace the next batch of sheets to be printed The medium can be loaded and unloaded manually when the medium is changed, or an automatic loading and unloading mechanism can be set for automatic loading and unloading. This loading and unloading mechanism is arranged in the second direction (Y-axis direction) to print the front and back of the platform width direction. On both sides, this embodiment does not limit this specific form. The eighth step S08 is to determine whether printing of all the media to be printed is completed. If all the printing has been completed, then the printing is directly terminated. If it is not completed, then the program jumps to step S01 to install a new sheet printing medium. Then continue to work according to the above steps, until printing of all sheet printing media is completed.
當不需要列印3D立體效果的板材類列印介質時,同樣執行S01-S02後,在S03步驟中,控制系統只控制列印小車4在沿第一方向(X軸方向)相對於列印介質從一端(列印平臺的右端)至另一端(列印平臺的左端)的往返過程中噴射墨滴列印(往返一遍或兩遍),不再進行墨滴的反復疊加,列印完成後便採用人工或自動的方式卸料、裝料,然後控制系統再繼續控制列印小車4沿第一方向(X軸方向)列印,如此反復,直至所有板材類列印介質列印完成。When it is not necessary to print a plate-like printing medium with 3D three-dimensional effect, after executing S01-S02, in step S03, the control system only controls the printing cart 4 in the first direction (X-axis direction) relative to the column During the round-trip process of the printing medium from one end (the right end of the printing platform) to the other end (the left end of the printing platform), the ink droplets are printed (repeatedly once or twice). After that, the material is unloaded and loaded manually or automatically, and then the control system continues to control the printing trolley 4 to print in the first direction (X-axis direction), and so on until all the printing materials of the plate type are printed. .
圖6為本發明又一個實施例的列印小車的列印方法流程圖,此列印方法基於上述基礎在於提高圖像的解析度,此實施例的列印小車運動方式包括第一方向的運動、第二方向的運動和第三方向的運動。該列印方法具體包括以下步驟:第一步S11,先通過第三方向驅動機構調節列印小車在第三方向(Z軸方向)的升降運動,從而使列印小車上噴嘴所在平面與列印介質之間的距離為適於列印的距離,噴墨列印領域中最適於列印的距離為2~3mm。第二步S12,第一方向驅動機構帶動列印小車沿第一方向(X軸方向)從一端運動至另一端、然後再返回至起始一端,運動過程中噴頭噴射墨滴並且固化裝置將墨滴固化。第三步S13,第二方向驅動機構帶動列印小車沿第二方向(Y軸方向)步進運動(步進的距離根據所需列印解析度、軟體設置確定)。第四步S14,第一方向驅動機構再次帶動列印小車沿第一方向(X軸方向)從一端運動至另一端,然後再返回至起始一端,運動過程中同樣噴頭噴墨並且固化裝置將墨滴固化。第五步S15,判斷列印小車是否實現軟體預設的第二方向步進次數,若否,則重新執行第三步S13、第四步S14和第五步S15;若是,則執行第六步S16:列印小車沿第二方向(Y軸方向)重新回列印起始位置。第七步S17,判斷列印介質上圖像是否列印至預設高度,若否,則重新執行第二步S12-第七步S17;若是,則進行第八步S18:第三方向驅動機構驅動列印小車沿第三方向(Z軸方向)上升預設的微小距離。第九步S19,判斷列印介質上圖像是否列印至所需高度,若否,重新跳轉執行第二步S12-第九步S19;若是,則結束列印小車的運動。對於列印介質的運動仍按照卷材類和板材類加以區分,參見圖4中送紙機構的運動或圖5中安裝板材類列印介質的方法,此流程圖並沒對此加以限制。FIG. 6 is a flowchart of a printing method of a printing cart according to another embodiment of the present invention. The printing method is based on the above-mentioned basis to improve the resolution of the image. The moving method of the printing cart in this embodiment includes a first direction. Motion in the second direction, motion in the second direction, and motion in the third direction. The printing method specifically includes the following steps: First step S11, firstly adjusting the lifting movement of the printing cart in the third direction (Z-axis direction) by a third-direction driving mechanism, so that the plane where the nozzle on the printing cart is located and The distance between the printing media is suitable for printing. The most suitable printing distance in the field of inkjet printing is 2 ~ 3mm. In the second step S12, the first-direction driving mechanism drives the printing cart to move from one end to the other end in the first direction (X-axis direction), and then return to the original end. During the movement, the nozzle ejects ink droplets and the curing device moves Ink droplets are cured. In the third step S13, the driving mechanism of the second direction drives the printing cart to move stepwise in the second direction (Y-axis direction) (the stepping distance is determined according to the required printing resolution and software settings). The fourth step S14, the driving mechanism of the first direction drives the printing carriage to move from one end to the other end in the first direction (X-axis direction), and then returns to the original end. During the movement, the nozzle ejects ink and cures the device. The ink droplets are cured. The fifth step S15 is to determine whether the printing cart realizes the second direction step count preset by the software. If not, the third step S13, the fourth step S14, and the fifth step S15 are executed again; if so, the sixth step is executed. Step S16: The printing cart returns to the printing start position in the second direction (Y-axis direction). The seventh step S17 determines whether the image on the print medium is printed to a preset height. If not, the second step S12 to the seventh step S17 are performed again; if so, the eighth step S18 is performed: the third direction driving mechanism Drive the print cart to rise in the third direction (Z-axis direction) for a preset minute distance. The ninth step S19 determines whether the image on the printing medium is printed to the required height. If not, the process returns to step S12-ninth step S19; if so, the movement of the printing cart is ended. The movement of the printing medium is still differentiated according to the type of the coil and the plate. See the movement of the paper feeding mechanism in FIG. 4 or the method for installing the plate-type printing medium in FIG. 5. This flowchart does not limit this.
當上述列印方法不需要列印3D立體效果時,只執行步驟S11-S15,在步驟S15中,判斷列印小車是否實現軟體預設的第二方向步進次數,若否,則重新執行第三步S13、第四步S14和第五步S15;若是,則參照圖4中的步驟S7或圖5中的步驟S07進行新列印介質的供給操作。When the above-mentioned printing method does not need to print the 3D three-dimensional effect, only steps S11-S15 are performed. In step S15, it is determined whether the printing cart realizes the number of times of the second direction step preset by the software, and if not, re-execute. The third step S13, the fourth step S14, and the fifth step S15; if yes, refer to step S7 in FIG. 4 or step S07 in FIG. 5 to perform a new printing medium supply operation.
圖7為本發明噴墨列印裝置的再一種列印方法流程圖,此方法用於卷材類列印介質的一次成像快速列印,包括由安裝於列印小車上的噴頭噴出墨滴,並由設置在列印小車兩端的固化裝置向列印介質照射紫外線來使墨滴固化從而實現列印,第一方向驅動機構帶動列印小車固定於列印平臺正上方的某一位置,列印過程中,列印小車保持靜止不動,送紙機構沿第一方向恒速供給列印介質。該列印方法包括以下步驟:第一步S001,第一方向驅動機構帶動列印小車沿第一方向(X軸方向)從一端運動至列印平臺的正上方,停止於某一預定位置;第二步S002,通過調節第三方向驅動機構使噴頭噴嘴所在平面與列印介質之間的距離為適應列印的距離;第三步S003,一邊控制送紙機構驅動卷材類列印介質從放紙端運動至收紙端,即以一恒定的速度供給列印介質,一邊在列印介質的運動過程中自噴頭噴射墨滴,並且固化裝置照射紫外線使墨滴固化;第四步S004,判斷列印圖像是否列印完成,若完成則直接結束列印,若未完成則重複第三步S003直至列印完成。FIG. 7 is a flowchart of another printing method of the inkjet printing device according to the present invention. This method is used for rapid printing of one-time imaging of a roll-type printing medium, and includes ejecting ink droplets from a nozzle installed on a printing cart. And the curing device provided at the two ends of the printing cart irradiates the printing medium with ultraviolet rays to cure the ink droplets to achieve printing, and the first direction driving mechanism drives the printing cart to be fixed at a position directly above the printing platform During the printing process, the printing cart remains stationary, and the paper feeding mechanism supplies the printing medium at a constant speed in the first direction. The printing method includes the following steps: in step S001, the first-direction driving mechanism drives the printing cart to move from one end to the position directly above the printing platform in the first direction (X-axis direction), and stops at a predetermined position; In the second step S002, by adjusting the third direction driving mechanism, the distance between the plane where the nozzle of the nozzle is located and the printing medium is adapted to the printing distance; in the third step S003, the paper feeding mechanism is controlled to drive the roll-type printing medium from The paper-feeding end is moved to the paper-receiving end, that is, the printing medium is supplied at a constant speed, and ink droplets are ejected from the nozzle during the movement of the printing medium, and the curing device is irradiated with ultraviolet rays to cure the ink droplets; the fourth step S004, It is judged whether the printing image is printed. If it is completed, the printing is directly ended. If it is not completed, the third step S003 is repeated until printing is completed.
需要指出的是根據本發明的具體實施方式所作的任何變形,均不脫離本發明的精神以及權利要求記載的範圍。It should be noted that any modification made according to the specific embodiments of the present invention does not depart from the spirit of the present invention and the scope described in the claims.
1‧‧‧第一方向驅動機構1‧‧‧ first direction drive mechanism
2‧‧‧第二方向驅動機構2‧‧‧Second direction drive mechanism
3‧‧‧第三方向驅動機構3‧‧‧Third direction drive mechanism
4‧‧‧列印小車4‧‧‧print car
5‧‧‧列印平臺5‧‧‧printing platform
6‧‧‧刮墨維護裝置6‧‧‧ Ink scraping maintenance device
7‧‧‧送紙機構7‧‧‧paper feeding mechanism
11‧‧‧第一拖鏈11‧‧‧The first towline
12‧‧‧第一方向導軌12‧‧‧First direction guide
13‧‧‧第一方向滑塊13‧‧‧First direction slider
14‧‧‧第一電機14‧‧‧First Motor
15‧‧‧第一支架15‧‧‧First bracket
21‧‧‧第二拖鏈21‧‧‧Second towline
22‧‧‧第二方向導軌22‧‧‧Second direction guide
23‧‧‧第二方向滑塊23‧‧‧Second direction slider
24‧‧‧第二支架24‧‧‧Second bracket
31‧‧‧第三電機31‧‧‧Third Motor
32‧‧‧第三方向氣頂杆32‧‧‧Third direction gas jack
41‧‧‧固化裝置41‧‧‧curing device
71‧‧‧收紙機構71‧‧‧paper delivery mechanism
72‧‧‧放紙機構72‧‧‧ Paper release mechanism
圖1為本發明一個實施例中的噴墨列印裝置的立體圖;1 is a perspective view of an inkjet printing device according to an embodiment of the present invention;
圖2為本發明一個實施例中的噴墨列印裝置的左視圖;2 is a left side view of an inkjet printing device according to an embodiment of the present invention;
圖3為本發明列印小車相對運動的示意圖;3 is a schematic diagram of relative movement of a printing trolley according to the present invention;
圖4為本發明一個實施例中列印3D立體效果的噴墨列印方法流程圖;4 is a flowchart of an inkjet printing method for printing a 3D three-dimensional effect according to an embodiment of the present invention;
圖5為本發明另一個實施例中的列印3D立體效果的噴墨列印方法流程圖;5 is a flowchart of an inkjet printing method for printing a 3D three-dimensional effect in another embodiment of the present invention;
圖6為本發明又一個實施例中的列印方法流程圖;6 is a flowchart of a printing method according to another embodiment of the present invention;
圖7為本發明再一實施例中的列印方法流程圖。FIG. 7 is a flowchart of a printing method according to another embodiment of the present invention.
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