技术领域technical field
本发明属于3D打印技术领域，具体涉及3D打印技术上色方法。 The invention belongs to the technical field of 3D printing, and in particular relates to a coloring method of the 3D printing technology.
背景技术Background technique
3D 打印是快速成型技术的一种是一种以数字文件为基础，使用粉末或者可固化材料，通过逐层打印的方式来制造产品的技术，与传统制造业采用的减材制造技术形成鲜明的对比，3D 打印是一种增材制造技术，通过一层层材料的叠加形成最终的产品。 3D printing is a kind of rapid prototyping technology. It is a technology based on digital files, using powder or curable materials, and manufacturing products by layer-by-layer printing. It is in sharp contrast to the subtractive manufacturing technology used in traditional manufacturing. In contrast, 3D printing is an additive manufacturing technique in which layers of material are added to form a final product.
而目前市场上所有的 3D 打印机都是单一颜色打印，打印出来的模型呈单一色调，彩色打印在产品上和技术上均没有成熟的解决方案。要得到彩色的打印产品，目前使用彩色3D打印机打印或者单色3D打印机打印后再次上色，彩色3D打印机结构复杂，这样无形中提高了成本，并且减低了制作效率，而单色打印后再涂彩色的上色效果差，且色彩涂在产品表面容易出现掉色的情况。彩色3D打印的成本居高不下，急需提供简易的3D打印技术上色方法降低3D打印产品的生产成本以及提高制作效率。At present, all 3D printers on the market print in a single color, and the printed model is in a single tone. There is no mature solution for color printing in terms of products and technologies. To obtain color printed products, currently use a color 3D printer to print or a monochrome 3D printer to print and then color again. The color 3D printer has a complex structure, which invisibly increases the cost and reduces production efficiency. The coloring effect of the color is poor, and the color is easy to fade when the color is applied on the surface of the product. The cost of color 3D printing remains high, and there is an urgent need to provide a simple 3D printing technology coloring method to reduce the production cost of 3D printed products and improve production efficiency.
发明内容Contents of the invention
本发明的目的在于：针对现有技术的不足，提供3D打印技术上色方法，以一种底成本和高效率的方法完成3D打印的上色。The purpose of the present invention is to provide a coloring method for 3D printing technology in view of the deficiencies of the prior art, and to complete the coloring of 3D printing with a low-cost and high-efficiency method.
为了实现上述目的，本发明采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
3D打印技术上色方法，利用3D打印基材逐层打印产品，且每打印一层后对该打印层进行上色。通过对每层打印层进行上色，以打印层为单位以使每层打印层能够精确地获得所需要的彩色，不需要频繁更换不同色彩的3D打印基材，大大地提高多色3D打印的打印效率，并简化了多色3D打印的设备结构，降低设备成本。由于对每层打印层上色，所以所上色彩不限于3D打印成品的表面，避免因只在成品表面上色而存在掉色的情况；相对于只在成品表面上色，对每层打印层上色后，所打印出来的成品所显示的色彩更具表现力。The coloring method of 3D printing technology uses the 3D printing substrate to print the product layer by layer, and color the printed layer after each layer is printed. By coloring each printing layer, the printing layer can be used as a unit so that each printing layer can accurately obtain the required color, and there is no need to frequently replace 3D printing substrates of different colors, which greatly improves the efficiency of multi-color 3D printing. Printing efficiency, and simplify the equipment structure of multi-color 3D printing, reduce equipment cost. Since each layer of printing is colored, the color applied is not limited to the surface of the 3D printed product, so as to avoid color fading due to coloring only on the surface of the finished product; After coloring, the color displayed by the printed product is more expressive.
作为本发明所述的3D打印技术上色方法的一种改进，所采用的3D打印为激光烧结3D打印技术，或是热熔成型3D打印技术。打印一层后上色的过程为对应的打印层提供冷却固化的时间，且上色的墨水能够起到降温作用，快到每层打印层都能够快速固化，避免成型产品的变形，提高产品打印的精确度。As an improvement of the coloring method of the 3D printing technology described in the present invention, the 3D printing adopted is a laser sintering 3D printing technology, or a thermal fusion molding 3D printing technology. The coloring process after printing a layer provides cooling and solidification time for the corresponding printing layer, and the colored ink can play a role in cooling down, so fast that each printing layer can be quickly solidified, avoiding the deformation of the formed product, and improving product printing. the accuracy.
作为本发明所述的3D打印技术上色方法的一种改进，通过基色混合得出所需要的色彩后，在每打印一层后再利用喷色的方式喷打印层上。通过更换不同颜色的3D打印基材以获得彩色打印的3D打印设备，由于设备复杂度和布局的限制，其可更换的3D打印基材数量相当有限，即能够获得的颜色相当有限，通过基色混合的方式能够获得更加丰富和精细的色彩表达，且通过喷色的方式给打印层上色，防止上色设备与打印层直接接触，避免造成打印层的变形，以保证打印的精确度。As an improvement of the coloring method of the 3D printing technology described in the present invention, after the required color is obtained by mixing the primary colors, after each layer is printed, it is sprayed on the printing layer by means of color spraying. 3D printing equipment that obtains color printing by replacing 3D printing substrates of different colors, due to equipment complexity and layout constraints, the number of 3D printing substrates that can be replaced is quite limited, that is, the colors that can be obtained are quite limited, through the mixing of primary colors The method can obtain richer and finer color expression, and the printing layer is colored by spraying the color to prevent the direct contact between the coloring equipment and the printing layer, avoiding the deformation of the printing layer, and ensuring the printing accuracy.
作为本发明所述的3D打印技术上色方法的一种改进，所述3D打印基材为透明基材，对透明的3D打印基材进行上色，避免3D打印基材本色对所上色彩色相的影响，使色彩表达更加准确，且即便在成型产品内部上色也能使色彩更具表现力。As an improvement of the 3D printing technology coloring method described in the present invention, the 3D printing base material is a transparent base material, and the transparent 3D printing base material is colored to avoid the natural color of the 3D printing base material from affecting the hue of the applied color. The influence of the color can make the color expression more accurate, and even if the color is painted inside the molded product, the color can be more expressive.
作为本发明所述的3D打印技术上色方法的一种改进，每打印一层后沿着打印层的边缘进行上色，并形成带状的上色区，由于沿着打印层的边缘上色并形成带状的上色区，因此不需要在整个打印层上色的情况下，在整个成型产品的外观上看也能达到所需要色彩的效果，节省了上色的材料和时间成本，提高整体打印的效率。As an improvement of the coloring method of the 3D printing technology described in the present invention, coloring is performed along the edge of the printing layer after each layer is printed, and a band-shaped coloring area is formed, because coloring along the edge of the printing layer And form a band-shaped coloring area, so it is not necessary to color the entire printing layer, and the appearance of the entire molded product can also achieve the desired color effect, saving the cost of coloring materials and time, and improving Overall printing efficiency.
作为本发明所述的3D打印技术上色方法的一种改进，所述上色区与所在的打印层的边缘之间设置有没有上色的留白区，通过设置没有上色的留白区使各打印层的留白区之间粘结，减少上色后对3D打印基材之间粘结效果的影响，且所述留白区设置在所述打印层的边缘与上色区之间，使得各层粘结的留白区形成类似保护外壳的透明表面，在没有颜料的影响下留白区之间的粘结相对上色区的粘结更加稳固，使得打印成型产品成形有稳定结实的外表面，且透明的外表面增加了成型产品的质感和美感。As an improvement of the coloring method of the 3D printing technology described in the present invention, there is an uncolored blank area between the colored area and the edge of the printing layer where it is located, and by setting the uncolored blank area The blank areas of each printing layer are bonded to reduce the impact on the bonding effect between the 3D printing substrates after coloring, and the blank areas are set between the edge of the printing layer and the colored area , so that the blank areas bonded by each layer form a transparent surface similar to a protective shell. Without the influence of pigments, the bonding between the blank areas is more stable than that of the colored areas, making the printed products stable and firm. The outer surface, and the transparent outer surface increases the texture and beauty of the molded product.
作为本发明所述的3D打印技术上色方法的一种改进，通过设置所述带状的上色区的宽度以改变透光率，从而可根据需要使所得到的颜色具有不同的明度，尤其适用于灯光产品，例如灯罩。As an improvement of the 3D printing technology coloring method described in the present invention, the light transmittance can be changed by setting the width of the strip-shaped coloring area, so that the obtained colors can have different brightness according to needs, especially Suitable for lighting products such as lamp shades.
作为本发明所述的3D打印技术上色方法的一种改进，所述带状的上色区为断续的带状区，通过设置断续的上色区，使上色区形成没有上色的间隙，该间隙使所在的打印层与下一打印层之间的粘结更加牢固；该间隙还能作为透光的通道，通过改变间隙与上色面积的比例，从而可控制透光率和色彩表现的明度，为了使成型产品的颜色表现均匀，间隙的大小不超过0.5mm。As an improvement of the coloring method of the 3D printing technology described in the present invention, the band-shaped coloring area is an intermittent band-shaped area, and by setting the intermittent coloring area, the coloring area forms an uncolored area. The gap makes the bonding between the printing layer and the next printing layer stronger; the gap can also be used as a light-transmitting channel, and the light transmittance and coloring area can be controlled by changing the ratio of the gap to the coloring area. The brightness of the color performance, in order to make the color performance of the molded product uniform, the size of the gap should not exceed 0.5mm.
作为本发明所述的3D打印技术上色方法的一种改进，每打印一层后沿着打印层的边缘进行上色，并形成不少于两条的带状上色区，将较宽的带状上色区设置成多条带状上色区，使得不需要将带状的上色区设置得太宽，各条带状的上色区之间的间隙有助于各层打印层之间的粘结的牢固度，通过改变各带状的上色区之间的间隙总宽度与上色区总宽度的比例来控制色彩的明度。As an improvement of the coloring method of 3D printing technology described in the present invention, coloring is carried out along the edge of the printing layer after each layer is printed, and no less than two band-shaped coloring areas are formed, and the wider The band-shaped coloring area is set as a plurality of band-shaped coloring areas, so that the band-shaped coloring area does not need to be set too wide, and the gaps between each band-shaped coloring area help the gap between the printing layers of each layer. The firmness of the bonding between them can control the brightness of the color by changing the ratio of the total width of the gap between the colored areas of each band to the total width of the colored area.
作为本发明所述的3D打印技术上色方法的一种改进，每打印一层后对该打印层进行上色并形成上色区，通过控制每层打印层上色区的边缘的相对位置，以使各层上色区的边缘连接成立体的色彩图案，以在成型产品的内部形成类似浮雕效果的三维图案，由于图案是逐层打印的，使得能够快速完成复杂的三维图案效果。As an improvement of the coloring method of the 3D printing technology described in the present invention, after each layer is printed, the printing layer is colored and a colored area is formed. By controlling the relative position of the edge of the colored area of each printing layer, The edges of the colored areas of each layer are connected into a three-dimensional color pattern to form a three-dimensional pattern similar to the relief effect inside the molded product. Since the pattern is printed layer by layer, complex three-dimensional pattern effects can be quickly completed.
作为本发明所述的3D打印技术上色方法的一种改进，所上色彩形成不相交的色点，每个色点的面积不大于1mm2，色点之间互不相效，使得色点之间存在有利于打印层之间粘贴的无有上色的间隙，且该间隙可以作为光道，使得成型产品具有彩色透明的效果，由于色点的面积不大于1mm2，使得在外观上看成型产品的色彩表达仍是均匀的，通过改变色点所占打印层的面积比例来改变色彩的明度，改变色点之间的间隙大小来改变透明度。其中，色点大的大小等大的，也可以是不等的，色点是规则图形，也可以是不规则图形，色点是规则排列，也可以是无序排列。As an improvement of the 3D printing technology coloring method described in the present invention, the applied colors form disjoint color points, and the area of each color point is not greater than 1mm2. The color dots do not interact with each other, so that there is an uncolored gap between the color dots that is conducive to the paste between the printing layers, and the gap can be used as a light track, so that the molded product has a color and transparent effect. The area of the color point is not more than 1mm2 , so that the color expression of the molded product is still uniform in appearance, the lightness of the color is changed by changing the area ratio of the color dots in the printing layer, and the transparency is changed by changing the size of the gap between the color dots. Wherein, the big color points are of the same size, or they can be unequal, the color points can be regular graphics, and can also be irregular graphics, and the color points can be arranged regularly or randomly.
作为本发明的有益效果：提供3D打印技术上色方法，利用3D打印基材逐层打印产品，且每打印一层后对该打印层进行上色。通过对每层打印层进行上色，以打印层为单位以使每层打印层能够精确地获得所需要的彩色，不需要频繁更换不同色彩的3D打印基材，大大地提高多色3D打印的打印效率，并简化了多色3D打印的设备结构，降低设备成本。由于对每层打印层上色，所以所上色彩不限于3D打印成品的表面，避免因只在成品表面上色而存在掉色的情况；相对于只在成品表面上色，对每层打印层上色后，所打印出来的成品所显示的色彩更具表现力。 As a beneficial effect of the present invention: provide a 3D printing technology coloring method, use the 3D printing base material to print the product layer by layer, and color the printed layer after each layer is printed. By coloring each printing layer, the printing layer is used as a unit so that each printing layer can accurately obtain the required color, and there is no need to frequently replace 3D printing substrates of different colors, which greatly improves the efficiency of multi-color 3D printing. Printing efficiency, and simplify the equipment structure of multi-color 3D printing, reduce equipment cost. Since each layer of printing is colored, the color applied is not limited to the surface of the 3D printed product, so as to avoid color fading due to coloring only on the surface of the finished product; After coloring, the color displayed by the printed product is more expressive.
附图说明Description of drawings
图1为本发明的打印层上色方式之一示意图。 Fig. 1 is a schematic diagram of one coloring method of the printing layer of the present invention.
图2为本发明的打印层上色方式之二示意图。Fig. 2 is a schematic diagram of the second coloring method of the printing layer of the present invention.
图3为本发明的打印层上色方式之三示意图。Fig. 3 is a schematic diagram of the third coloring method of the printing layer of the present invention.
图4为本发明的打印层上色方式之四示意图。Fig. 4 is a schematic diagram of the fourth coloring method of the printing layer of the present invention.
图5为本发明的打印层上色方式之五示意图。Fig. 5 is a schematic diagram of the fifth coloring method of the printing layer of the present invention.
图6为本发明多层打印层的上色区形成立体图案的示意图。Fig. 6 is a schematic diagram of forming a three-dimensional pattern in the colored area of the multi-layer printing layer of the present invention.
图7为3D打印形成的灯罩示意图。Fig. 7 is a schematic diagram of a lampshade formed by 3D printing.
其中，1.打印层，11.上色区，12.留白区，13.色点，14.立体的色彩图案。Among them, 1. Printing layer, 11. Colored area, 12. Blank area, 13. Color point, 14. Three-dimensional color pattern.
具体实施方式detailed description
下面将结合具体实施方式对本发明及其有益效果作进一步详细说明，但是，本发明的具体实施方式并不局限于此。 The present invention and its beneficial effects will be further described in detail below in conjunction with specific embodiments, however, the specific embodiments of the present invention are not limited thereto.
实施方式一Implementation Mode 1
如图1至6所示，3D打印技术上色方法，利用3D打印基材逐层打印产品，且每打印一层后对该打印层1进行上色。其中，所述3D打印基材为透明基材，所上色方法是通过基色混合得出所需要的色彩后，在每打印一层后再利用喷色的方式喷打印层1上。As shown in Figures 1 to 6, in the coloring method of 3D printing technology, the product is printed layer by layer using the 3D printing substrate, and the printing layer 1 is colored after each layer is printed. Wherein, the 3D printing base material is a transparent base material, and the coloring method is to obtain the required color by mixing the primary colors, and then spray the printing layer 1 by color spraying after each layer is printed.
如图1和2所示，作为优选，每打印一层后沿着打印层1的边缘进行上色，并形成带状的上色区11。所述上色区11与所在的打印层1的边缘之间设置有没有上色的留白区12。As shown in FIGS. 1 and 2 , preferably, after each layer is printed, coloring is performed along the edge of the printing layer 1 to form a band-shaped coloring area 11 . An uncolored blank area 12 is set between the colored area 11 and the edge of the printed layer 1 where it is located.
作为优选，通过设置所述带状的上色区11的宽度以改变透光率。Preferably, the light transmittance is changed by setting the width of the strip-shaped colored region 11 .
如图3所示，作为优选，所述带状的上色区11为断续的带状区。As shown in FIG. 3 , preferably, the strip-shaped colored area 11 is a discontinuous strip-shaped area.
如图4所示，作为优选，每打印一层后沿着打印层1的边缘进行上色，并形成不少于两条的带状上色区11。As shown in FIG. 4 , preferably, coloring is performed along the edge of the printing layer 1 after each layer is printed, and no less than two band-shaped coloring regions 11 are formed.
如图5所示，作为优选，所上色彩形成不相交的色点13，每个色点13的面积不大于1mm2。As shown in Figure 5, as a preference, the upper color forms disjoint color dots 13, and the area of each color dot 13 is not greater than 1mm2 .
如图6所示，作为优选，每打印一层后对该打印层1进行上色并形成上色区11，通过控制每层打印层1上色区11的边缘的相对位置，以使各层上色区11的边缘连接成立体的色彩图案14。As shown in Figure 6, preferably, after each layer is printed, the printed layer 1 is colored and a colored area 11 is formed, by controlling the relative position of the edge of each layer of printed layer 1 colored area 11, so that each layer The edges of the colored areas 11 are connected to form a three-dimensional color pattern 14 .
实施方式二Implementation mode two
如图7所示，一种3D打印上色方法打印的灯罩，利用3D打印技术打印灯罩时，每打印一层对预设的上色区11进行上色，其它特征与实施方式一相同，在此不再赘述。使得灯罩带有半透明的色彩效果，通过设置灯罩的颜色以获得能穿透出单色或多色光的效果，作为优选，该灯罩还能打印立体的色彩图案14，既保证灯罩的灯光色彩效果，也起到灯饰摆件的艺术效果。As shown in Figure 7, a lampshade printed by a 3D printing and coloring method, when using 3D printing technology to print the lampshade, each layer of printing is used to color the preset coloring area 11, and other features are the same as those in Embodiment 1. This will not be repeated here. Make the lampshade have a translucent color effect. By setting the color of the lampshade to obtain the effect of penetrating monochromatic or polychromatic light, as a preference, the lampshade can also print a three-dimensional color pattern 14, which not only ensures the light color effect of the lampshade , Also play the artistic effect of lighting ornaments.
根据上述说明书的揭示和教导，本发明所属领域的技术人员还能够对上述实施方式进行变更和修改。因此，本发明并不局限于上述的具体实施方式，凡是本领域技术人员在本发明的基础上所作出的任何显而易见的改进、替换或变型均属于本发明的保护范围。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本发明构成任何限制。 According to the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also change and modify the above embodiment. Therefore, the present invention is not limited to the above-mentioned specific implementation manners, and any obvious improvement, substitution or modification made by those skilled in the art on the basis of the present invention shall fall within the protection scope of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.
| Application Number | Priority Date | Filing Date | Title |
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| CN201610401252.4ACN105946232A (en) | 2016-06-09 | 2016-06-09 | 3D printing technology coloring method |
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| CN201610401252.4ACN105946232A (en) | 2016-06-09 | 2016-06-09 | 3D printing technology coloring method |
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| CN105946232Atrue CN105946232A (en) | 2016-09-21 |
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| CN104290327A (en)* | 2014-10-15 | 2015-01-21 | 珠海天威飞马打印耗材有限公司 | Thermal transfer ribbon for three-dimensional printing, three-dimensional printer and printing method thereof |
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| CN103358552A (en)* | 2013-07-30 | 2013-10-23 | 珠海天威飞马打印耗材有限公司 | Three-dimensional model printing method |
| CN104275799A (en)* | 2014-05-26 | 2015-01-14 | 深圳市七号科技有限公司 | Colored 3D printing device and method |
| CN104191616A (en)* | 2014-08-29 | 2014-12-10 | 马驰 | Three-dimensional Ink jetting printing equipment and three-dimensional ink jetting printing method |
| CN104290327A (en)* | 2014-10-15 | 2015-01-21 | 珠海天威飞马打印耗材有限公司 | Thermal transfer ribbon for three-dimensional printing, three-dimensional printer and printing method thereof |
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