WO2013181836A1 - 一种喷墨打印装置及打印方法 - Google Patents

一种喷墨打印装置及打印方法 Download PDF

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Publication number
WO2013181836A1
WO2013181836A1 PCT/CN2012/076628 CN2012076628W WO2013181836A1 WO 2013181836 A1 WO2013181836 A1 WO 2013181836A1 CN 2012076628 W CN2012076628 W CN 2012076628W WO 2013181836 A1 WO2013181836 A1 WO 2013181836A1
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printing
printed
cylinder
module
printing module
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PCT/CN2012/076628
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English (en)
French (fr)
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张原�
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北京美科艺数码科技发展有限公司
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Application filed by 北京美科艺数码科技发展有限公司 filed Critical 北京美科艺数码科技发展有限公司
Priority to CN201280073471.4A priority Critical patent/CN104349902B/zh
Priority to PCT/CN2012/076628 priority patent/WO2013181836A1/zh
Publication of WO2013181836A1 publication Critical patent/WO2013181836A1/zh

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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
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • 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
    • B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
    • B41J25/3082—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms with print gap adjustment means on the print head carriage, e.g. for rotation around a guide bar or using a rotatable eccentric bearing

Definitions

  • the present invention relates to an ink jet printing apparatus, and more particularly to a cylindrical ink jet printing apparatus and a printing method.
  • Chinese patent CN94115805.5 discloses a pattern transfer method, a printing method for transferring a line on a curved surface of a molded article, using a silk tissue paper as a transfer paper, and printing a pattern with a high-temperature sublimation gas dyeing ink to pre-form the surface of the molded product Treatment, including cleaning, priming, primer heat hardening, upper induction resin and hardening, and then applying a layer of inductive adhesive on the transfer paper, and the induction resin can be completely dissolved in the solution, and then the transfer paper is pasted On the surface of the curved surface, it is not necessary to pressurize the mold, and the high-temperature gasification sublimation reaction is used to make the pattern realistically transfer to the curved surface surface, which is aesthetically pleasing, durable and not easy to fall
  • Chinese Patent No. 200610169194.3 proposes a three-dimensional inkjet printing method and apparatus, which comprises a print head running mechanism 2, an operating mechanism and a control mechanism to be printed, and a control processor is provided with a processor and a memory in the memory.
  • the structure information of the curved surface of the object to be printed is saved, and the motion track information of the inkjet print head is generated according to the structure information, and the pattern and the text information to be printed on the surface of the object to be printed are also saved; the processor controls the print head according to the content of the memory.
  • the operating mechanism moves the inkjet print head in a trajectory set according to the motion track information, controls the inkjet action of the inkjet print head to realize single line image printing, and the processor controls the operation mechanism of the object to be printed to make the print head according to the content stored in the memory.
  • the running mechanism realizes the line-feeding action with respect to the movement of the object to be printed, and performs printing of a plurality of lines in succession to realize printing of a pair of pictures on the object to be printed.
  • Chinese Patent No. 200810007766.7 proposes a three-dimensional printer for printing a pattern or a character on a surface of a workpiece to be printed having a three-dimensional shape surface
  • the device comprising a holding device, a print head and a movement control device, and a holding device
  • the movement control device performs control for relatively moving the holding device and the print head in the X, Y, and Z axis directions, and control for relatively rotating the holding device about the X axis and the Y axis, thereby enabling printing
  • the head is relatively moved with respect to the three-dimensional shape of the surface of the printing object held by the holding device, so that the print head has a predetermined interval with respect to the three-dimensional shape of the surface of the printing object held by the holding device, thereby forming a predetermined positional relationship, thus performing relative
  • the print control device controls the inkjet of the print head based on the movement, so that the surface of the print object having the three-dimensional shape
  • the prior art three-dimensional inkjet printing using inkjet printing technology is to move on a horizontal rail by an inkjet head, and the object to be printed is conveyed by a roller or moved relative to the inkjet head to print a pattern on the curved surface of the object to be printed. Or text.
  • an object of the present invention is to provide an ink jet printing apparatus which realizes variable data printing on a cylinder surface with a simple structure, simple motion control, and low cost.
  • the present invention provides an inkjet printing apparatus comprising at least one printing module, wherein the printing module is mounted with at least one nozzle; a first supporting mechanism for mounting and driving the cylinder to be printed; and a second support a mechanism for mounting and driving the printing module; a control system for controlling the operation of the nozzle and the movement of the printing module and the cylinder to be printed, wherein the printing module is disposed directly above the radial direction of the cylinder to be printed.
  • the control system controls the second supporting mechanism to move up and down along the radial direction of the cylinder to be printed with the printing module; and controls the first supporting mechanism to rotate along the central axis of the cylinder to be printed and Stepping motion along its central axis.
  • the printing module is for printing a single color ink.
  • the plurality of printing modules are used to print multicolor ink.
  • the plurality of printing modules are all disposed on the upper semicircular portion of the cylinder to be printed.
  • the distance between the plane of the nozzles on the plurality of printing modules and the central axis of the cylinder to be printed is equal.
  • the invention also provides an inkjet printing method, characterized in that the cylinder to be printed is first mounted on the first supporting mechanism, and the plane of the nozzle nozzle on the printing module and the center of the cylinder to be printed are adjusted by adjusting the second supporting mechanism.
  • the distance between the shafts is larger than the radius of the cylinder to be printed; when the inkjet is printed, the printing module is stationary, and the control system controls the cylinder to be printed to rotate around its central axis and the nozzle ejects ink droplets on the surface of the cylinder to be printed.
  • control system also controls the stepwise movement of the cylinder to be printed along its central axis during inkjet printing.
  • a printing module is disposed in the inkjet printing apparatus, and a plurality of nozzles in the printing module eject ink of the same color.
  • a plurality of printing modules are disposed in the inkjet printing apparatus, the plurality of printing modules are used to eject multi-color ink, and the nozzles on the same printing module eject the same color ink.
  • the inkjet printing device of the invention has a simple structure and is suitable for printing an image or a character on a surface of a cylinder.
  • the printing module in the device can move in a radial direction of the cylinder to be printed, by adjusting the printing module from the central axis of the cylinder to be printed.
  • the distance allows the device to be adapted for printing of cylinders of different diameters; the device can be used for monochrome or color printing by setting the number of printing modules in the inkjet printing device.
  • FIG. 1 is a schematic view of a prior art three-dimensional inkjet printing apparatus
  • FIG. 2 is a schematic view of another three-dimensional inkjet printing device in the prior art
  • Figure 3 is a front elevational view of an ink jet printing apparatus in accordance with one embodiment of the present invention.
  • Figure 4 is a perspective view of an ink jet printing apparatus in accordance with one embodiment of the present invention.
  • FIG. 5 is a schematic view showing a comparison of a movement path of a printing module in an inkjet printing device through a central axis of a cylinder to be printed and a movement path of the printing module not passing through a central axis of the cylinder to be printed;
  • Figure 6 is a front elevational view of an ink jet printing apparatus in accordance with another embodiment of the present invention.
  • Figure 7 is a perspective view of an ink jet printing apparatus in another embodiment of the present invention.
  • the ink jet printing apparatus of this embodiment is for printing a monochrome image or a character on a cylinder.
  • the inkjet printing apparatus in this embodiment includes a printing module 2, and a plurality of nozzles are mounted on the printing module 2; a first supporting mechanism (not shown) for mounting And driving the cylinder 1 to be printed; a second supporting mechanism (not shown) for mounting and driving the printing module 2; a control system for controlling the operation of the nozzle and the printing module 2 and the cylinder 1 to be printed motion.
  • the printing module 2 is disposed directly above the radial direction (z-axis) of the cylinder 1 to be printed, and the second supporting mechanism drives the printing module 2 to move up and down along the radial direction (z-axis) of the cylinder 1 to be printed.
  • the first support mechanism drives the cylinder 1 to be printed to rotate about its central axis (x-axis) and linearly along its central axis (x-axis).
  • the first supporting mechanism comprises a driving motor and a clamping mechanism.
  • the clamping mechanism can be clamped from the outside to one end or both ends of the cylinder 1 to be printed, or can be inserted into the inside of the cylinder to be printed for fixing.
  • the second supporting mechanism can control the printing module 2 to perform the lifting movement by electric, pneumatic or manual means.
  • the plurality of heads on the printing module 2 in this embodiment are used to eject the same color ink.
  • the absolute difference X between the paper feeding end of the printing module 2 and the paper discharge end from the surface of the cylinder to be printed is small, almost Zero;
  • the distance between the paper feed end and the paper exit end from the surface of the cylinder to be printed is absolutely different X' Larger. That is, when printing in a short arc, the plane of the nozzle on the printing module 2 is substantially parallel to the arc.
  • the cylinder 1 to be printed is mounted on the first supporting mechanism, and after the cylinder 1 to be printed is installed, the printing module 2 is moved up and down along the Z axis by adjusting the second supporting mechanism to make the printing module 2
  • the distance between the plane where the nozzle is located and the central axis (x-axis) is the most suitable distance for printing from the radius of the cylinder to be printed, and the distance between different printing media and ink is different.
  • the printing module 2 is stationary, and the control system controls the first supporting mechanism to drive the cylinder 1 to be printed to rotate around the central axis (x-axis), and controls the nozzle to eject ink droplets on the rotating cylinder 1 to be printed.
  • the control system also controls the first support mechanism to drive the cylinder 1 to be printed to perform a stepping motion along the central axis (x-axis).
  • the ink jet printing apparatus of the present invention can be adapted to perform printing of images or characters on the surfaces of cylinders to be printed of different diameters by adjusting the second support mechanism to change the distance of the printing module 2 from the surface of the cylinder 1 to be printed.
  • the ink jet printing apparatus of this embodiment is for printing a color image or a character on a cylinder.
  • the inkjet printing apparatus in this embodiment includes four printing modules 21, 22, 23, 24, and the printing module 21 , 22, 23, 24 are evenly arranged in the upper semicircular portion of the cylinder 1 to be printed; four second supporting mechanisms are used for respectively mounting the printing modules 21, 22, 23, 24, and driven by the respective second supporting mechanisms
  • the printing modules 21, 22, 23, 24 can all move up and down along the radial direction of the cylinder 1 to be printed; a first supporting mechanism for mounting the cylinder 1 to be printed; a control system for controlling the operation of the nozzle and four The printing modules 21, 22, 23, 24 and the movement of the cylinder 1 to be printed.
  • FIG. 1 As shown in FIG. 6 and FIG. 7, taking four color (C, M, Y, K) printing as an example, the inkjet printing apparatus in this embodiment includes four printing modules 21, 22, 23, 24, and the printing module 21 , 22, 23, 24 are evenly arranged in the upper semicircular portion of the cylinder 1 to be printed; four second supporting mechanisms are used for respectively mounting the printing modules 21, 22, 23, 24, and driven by the respective second supporting mechanisms
  • the printing module 21 can move up and down along the axis Z1, the axis Z1 passes through the axis o of the cylinder 1 to be printed; the printing module 22 can move up and down along the axis Z2, and the axis Z2 passes through the axis of the cylinder 1 to be printed.
  • the printing module 23 can move up and down along the axis Z3, the axis Z3 passes through the axis o of the cylinder 1 to be printed;
  • the printing module 24 can move up and down the axis Z4, and the axis Z4 passes through the axis o of the cylinder 1 to be printed.
  • the first support mechanism drives the cylinder 1 to be printed to rotate about its central axis (x-axis) and linearly along its central axis (x-axis).
  • the heads on the printing modules 21, 22, 23, and 24 in this embodiment are sprayed with cyan (C), yellow (Y), magenta (M), and black (K), respectively.
  • the cylinder 1 to be printed is mounted on the first supporting mechanism, and the plane of the nozzle on the printing modules 21, 22, 23, 24 is adjusted to be at the center of the cylinder 1 to be printed by adjusting each of the second supporting mechanisms.
  • the distances of the axes (x-axis) are equal.
  • the printing module 2 is stationary, and the control system controls the first supporting mechanism to drive the cylinder 1 to be printed to rotate around the central axis (x-axis), and controls the nozzle to eject ink droplets on the rotating cylinder 1 to be printed.
  • the control system also controls the first support mechanism to drive the cylinder 1 to be printed to perform a stepping motion along the central axis (x-axis).
  • the ink jet printing apparatus of the present invention can be adapted to perform image or text printing on cylinder surfaces of different diameters by adjusting the second support mechanism while adjusting the distance of the printing modules 21, 22, 23, 24 from the surface of the cylinder to be printed.

Abstract

本发明提出一种喷墨打印装置包括至少一打印模块，打印模块上安装至少一喷头；一第一支撑机构，用于安装和带动待打印圆柱体；一第二支撑机构，用于安装和带动打印模块；一控制系统，用于控制喷头的工作及打印模块和待打印圆柱体的运动，所述打印模块设置在待打印圆柱体径向的正上方；所述控制系统控制所述第二支撑机构带着打印模块沿待打印圆柱体径向上下运动；并控制所述第一支撑机构带着待打印圆柱体绕其中心轴旋转及沿其中心轴运动。本发明喷墨打印装置结构简单，通过调节其打印模块距离待打印圆柱体中心轴的距离可适于不同直径圆柱体的打印；且通过设置该装置中打印模块的数量可使该装置用于单色或彩色打印。

Description

一种喷墨打印装置及打印方法 技术领域
本发明涉及一种喷墨打印装置，具体说涉及一种圆柱体喷墨打印装置及打印方法。
背景技术
现有技术中在曲面上印刷精美图案和文字的方法中最简单的方法是在平面载体上进行印刷，在该载体与目标曲面结合，这种方法费时费力且最终的效果无法保证。中国专利CN94115805.5公开一种图案转印法，在成型品的曲面表面转印图线的印刷方法，采用丝绵纸作为转印纸，用高温升华气染油墨印制图案，对成型品表面预先处理，包括清净、上底漆、底漆热硬化、上感应树脂并加硬化，再在转印纸上涂一层感应黏着剂，与感应树脂可在溶而完全密着，然后把转印纸贴于曲面表面上，不需用模具加压，利用高温气化升华反应，使图案逼真的转印于曲面表面，具有美感性，耐用，不易脱落的特点。中国专利CN02273704.9公开一种手动曲面丝网印刷机，可以适应各种直径的圆形物体的曲面的丝网印刷，其缺点是制版麻烦不适于可变数据的打印，且其印刷速度较慢。
随着喷墨打印技术的日益发展，人们开始尝试如何在曲面物体上直接进行喷墨打印形成所需的图案或文字。如图1所示，中国专利200610169194.3提出一种三维喷墨印刷方法及装置，该装置包括打印头运行机构2，待打印物运行机构和控制机构，控制机构中设有处理器和存储器，在存储器中保存有待打印物曲面的结构信息以及根据该结构信息而生成喷墨打印头的运动轨迹信息，还保存有待印刷到待打印物表面的图案和文字信息；处理器根据存储器的内容，控制打印头运行机构使喷墨打印头在按运动轨迹信息设定的轨迹运动，控制喷墨打印头的喷墨动作以实现单行画面打印；处理器根据存储器存储的内容，控制待打印物运行机构使打印头运行机构相对待打印物运动实现换行动作，进行连续多行的打印而在待打印物上实现一副画面的印刷。
如图2所示，中国专利200810007766.7提出一种三维打印机，其对具有三维形状表面的待打印物的表面进行图案或文字的打印，该装置包括保持装置、打印头及移动控制装置，保持装置用于安装待打印物，移动控制装置进行使保持装置及打印头沿X、Y及Z轴方向相对移动的控制、以及使保持装置以X轴及Y轴为中心相对旋转的控制，从而可以使打印头相对于由保持装置保持的打印对象物的表面三维形状相对移动，使得打印头相对于由保持装置保持的打印对象物的表面三维形状始终具有规定的间隔，形成规定的位置关系，这样进行相对移动时，由打印控制装置根据该移动对打印头喷墨进行控制，则可以简单且自动地对具有三维形状的打印对象的表面进行图案或文字的打印。
现有技术的采用喷墨打印技术的三维喷墨打印都是通过喷墨头在水平导轨上移动，待打印物采用辊筒传送或相对喷墨头运动来实现在待打印物的曲面上打印图案或文字。这些结构、运行机构复杂，实现成本较高。
发明内容
针对现有技术中存在的问题，本发明的目的在于提供一种结构简单，运动控制简单，成本低的在圆柱体表面实现可变数据打印的喷墨打印装置。
为实现上述目的，本发明提出一种喷墨打印装置包括至少一个打印模块，所述打印模块上安装至少一个喷头；一第一支撑机构，用于安装和带动待打印圆柱体；一第二支撑机构，用于安装和带动打印模块；一控制系统，用于控制喷头的工作及打印模块和待打印圆柱体的运动，其特征在于，所述打印模块设置在待打印圆柱体径向的正上方；所述控制系统控制所述第二支撑机构带着打印模块沿待打印圆柱体的径向做上下运动；并控制所述第一支撑机构带着待打印圆柱体绕其中心轴做旋转运动及沿其中心轴方向的步进运动。
上述喷墨打印装置中，所述打印模块用于打印单一色墨水。
上述喷墨打印装置中，所述多个打印模块用于打印多色墨水。
上述喷墨打印装置中，所述多个打印模块均布在待打印圆柱体的上半圆部分。
上述喷墨打印装置中，所述多个打印模块上喷头所在平面与待打印圆柱体中心轴之间的距离相等。
本发明还提出一种喷墨打印方法，其特征在于，先将待打印圆柱体安装于第一支撑机构上，通过调节第二支撑机构使打印模块上的喷头喷嘴所在平面与待打印圆柱体中心轴之间的距离大于待打印圆柱体的半径；喷墨打印时，打印模块静止不动，控制系统控制待打印圆柱体绕其中心轴旋转及喷头喷射墨滴于旋转待打印圆柱体的表面上。
上述打印方法中，喷墨打印时，所述控制系统还控制待打印圆柱体沿其中心轴做步进运动。
上述打印方法中，单色打印时，所述喷墨打印装置中设置一个打印模块，所述打印模块中的多个喷头喷射同一色墨水。
上述打印方法中，彩色打印时，所述喷墨打印装置中设置多个打印模块，所述多个打印模块用于喷射多色墨水，同一打印模块上的喷头喷射同一色墨水。
本发明喷墨打印装置结构简单，适于在圆柱体表面打印图像或文字，该装置中的打印模块可沿待打印圆柱体的径向方向运动，通过调节打印模块距离待打印圆柱体中心轴的距离可使该装置适于不同直径圆柱体的打印；通过设置喷墨打印装置中打印模块的数量可使该装置用于单色或彩色打印。
附图说明
图1为现有技术的三维喷墨打印装置的示意图；
图2为现有技术中另一三维喷墨打印装置的示意图；
图3为本发明一个实施例中的喷墨打印装置的主视图；
图4为本发明一个实施例中的喷墨打印装置的立体图；
图5为喷墨打印装置中打印模块运动路径通过待打印圆柱体中心轴和打印模块运动路径不通过待打印圆柱体中心轴的对比示意图；
图6为本发明另一实施例中的喷墨打印装置的主视图；
图7为本发明另一实施例中的喷墨打印装置的立体图。
具体实施方式
下面结合附图和具体实施例对本发明作进一步详细描述。
实施例一
本实施例的喷墨打印装置用于在圆柱体上打印单色图像或文字。
如图3和图4所示，本实施例中的喷墨打印装置包括一个打印模块2，在打印模块2上安装多个喷头；一第一支撑机构（图中未视出），用于安装和带动待打印圆柱体1；一第二支撑机构（图中未视出），用于安装和带动打印模块2；一控制系统用于控制喷头的工作及打印模块2和待打印圆柱体1的运动。打印模块2设置在待打印圆柱体1的径向（z轴）正上方，第二支撑机构带动打印模块2沿待打印圆柱体1的径向（z轴）上下运动。第一支撑机构带动待打印圆柱体1绕其中心轴（x轴）旋转和沿其中心轴（x轴）做直线运动。
第一支撑机构包括一驱动电机及一夹持机构，夹持机构可以从外面夹持在待打印圆柱体1的一端或两端，也可以伸进待打印圆柱体的里面进行固定。
第二支撑机构可以采用电动、气动或手动方式控制打印模块2进行升降运动。
本实施例中的打印模块2上的多个喷头用于喷射同一色墨水。如图5所示，当打印模块2设置在待打印圆柱体1的径向方向时，打印模块2的进纸端与出纸端距离待打印圆柱体表面的距离绝对差X较小，几乎为零；当打印模块2' 设置在非待打印圆柱体1的径向方向时，进纸端与出纸端距离待打印圆柱体表面的距离绝对差X' 较大。即在很短的圆弧内打印时，打印模块2上喷头所在平面基本与圆弧平行。
喷墨打印前，先将待打印圆柱体1安装于第一支撑机构上，安装好待打印圆柱体1后，通过调节第二支撑机构使打印模块2沿Z轴上下运动，使打印模块2上喷头所在的平面距离中心轴（x轴）之间的距离为大于待打印圆柱体的半径的一个打印最合适的距离，不同的打印介质及墨水其距离不一样。喷墨打印时，打印模块2静止不动，控制系统控制第一支撑机构带动待打印圆柱体1绕中心轴（x轴）旋转，同时控制喷头喷射墨滴于旋转的待打印圆柱体1上，控制系统还控制第一支撑机构带动待打印圆柱体1沿中心轴（x轴）做步进运动。
通过调节第二支撑机构改变打印模块2距离待打印圆柱体1表面的距离可使本发明的喷墨打印装置适于在不同直径的待打印圆柱体表面进行图像或文字的打印。
实施例二
本实施例的喷墨打印装置用于在圆柱体上打印彩色图像或文字。
如图6和图7所示，以四色（C、M、Y、K）打印为例，本实施例中的喷墨打印装置包括四个打印模块21、22、23、24，打印模块21、22、23、24均匀布置在待打印圆柱体1的上半圆部分；四个第二支撑机构，用于分别安装打印模块21、22、23、24，且在各第二支撑机构的带动下打印模块21、22、23、24均可沿待打印圆柱体1的径向上下运动；一第一支撑机构，用于安装待打印圆柱体1；一控制系统，用于控制喷头的工作和四个打印模块21、22、23、24及待打印圆柱体1的运动。如图6所示，打印模块21可沿轴Z1上下运动，轴Z1经过待打印圆柱体1的轴心o；打印模块22可沿轴Z2上下运动，轴Z2经过待打印圆柱体1的轴心o；打印模块23可沿轴Z3上下运动，轴Z3经过待打印圆柱体1的轴心o；打印模块24可轴Z4上下运动，轴Z4经过待打印圆柱体1的轴心o。第一支撑机构带动待打印圆柱体1绕其中心轴（x轴）旋转和沿其中心轴（x轴）做直线运动。
本实施例中的打印模块21、22、23、24上的喷头分别用喷射青色（C）、黄色（Y）、品红色（M）和黑色（K）。喷墨打印前，将待打印圆柱体1安装于第一支撑机构上，通过调节各第二支撑机构使打印模块21、22、23、24上的喷头所在的平面距离待打印圆柱体1的中心轴（x轴）的距离均相等。喷墨打印时，打印模块2静止不动，控制系统控制第一支撑机构带动待打印圆柱体1绕中心轴（x轴）旋转，同时控制喷头喷射墨滴于旋转的待打印圆柱体1上，控制系统还控制第一支撑机构带动待打印圆柱体1沿中心轴（x轴）做步进运动。
通过调节第二支撑机构同时调节打印模块21、22、23、24距离待打印圆柱体表面的距离可使本发明的喷墨打印装置适于在不同直径的圆柱体表面进行图像或文字的打印。
需要指出的是根据本发明的具体实施方式所作的任何变形，均不脱离本发明的精神以及权利要求记载的范围。

Claims (9)

  1. 一种喷墨打印装置，包括至少一个打印模块，所述打印模块上安装至少一个喷头；一第一支撑机构，用于安装和带动待打印圆柱体；一第二支撑机构，用于安装和带动打印模块；一控制系统，用于控制喷头的工作及打印模块和待打印圆柱体的运动，其特征在于，所述打印模块设置在待打印圆柱体径向的正上方；所述控制系统控制所述第二支撑机构带着打印模块沿待打印圆柱体的径向上下运动；并控制所述第一支撑机构带着待打印圆柱体绕其中心轴旋转及沿其中心轴运动。
  2. 如权利要求1所述的喷墨打印装置，其特征在于，所述打印模块用于打印单一色墨水。
  3. 如权利要求1所述的喷墨打印装置，其特征在于，所述多个打印模块用于打印多色墨水。
  4. 如权利要求1所述的喷墨打印装置 ，其特征在于，所述多个打印模块均布在待打印圆柱体的上半圆部分。
  5. 如权利要求1所述的喷墨打印装置，其特征在于，所述多个打印模块上喷头所在平面与待打印圆柱体中心轴之间的距离相等。
  6. 如权利要求1所述的喷墨打印装置的打印方法，其特征在于，先将待打印圆柱体安装于第一支撑机构上，通过调节第二支撑机构使打印模块上的喷头与待打印圆柱体中心轴之间的距离大于待打印圆柱体的半径，喷墨打印时，打印模块静止不动，控制系统控制待打印圆柱体绕其中心轴旋转。
  7. 如权利要求6所述的打印方法，其特征在于，喷墨打印时，所述控制系统还控制待打印圆柱体沿其中心轴做步进运动。
  8. 如权利要求7所述的打印方法，其特征在于，单色打印时，所述喷墨打印装置中设置一个打印模块，所述打印模块中的多个喷头喷射同一色墨水。
  9. 如权利要求7所述的打印方法，其特征在于，彩色打印时，所述喷墨打印装置中设置多个打印模块，所述多个打印模块用于喷射多色墨水，同一打印模块上的喷头喷射同一色墨水。
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