JP6298606B2 - Instrument prepared work board - Google Patents

Description

  The present invention relates to an instrument preparation board.

15 and 16 show a combination meter mounted on a vehicle.
The combination meter 100 includes a speedometer 120 that indicates a traveling speed, a tachometer 130 that indicates an engine speed, and a liquid crystal that displays a plurality of pieces of information such as a remaining amount of fuel, a gear position, and a traveling distance, on the inside of one facing plate 110. A display unit 140, a trip knob 150 for resetting the travel distance, a turnlight lighting indicator 160 for turning left, a lighting indicator 170 for turning right light, and the like are provided.

  The speedometer 120 and the tachometer 130 are rotary meters, and are fixed to the disk-shaped instrument prepared design plates 122 and 132 having a needle insertion hole in the center, and the tip of the pointer shaft through which the pointer insertion hole is inserted. Provided with the pointers 124 and 134.

  In addition, as shown in FIG. 16, the combination meter 100 includes a transparent surface cover 180 that covers the front of the facing plate 110, a control circuit board 190 disposed on the back side of the facing plate 110, and the back side of the facing plate 110. And an instrument case 200 that accommodates the control circuit board 190.

The control circuit board 190 is equipped with a light source 191 that illuminates the instrument preparation boards 122 and 132 and the hands 124 and 134 and a motor 192 that rotationally drives the hands 124 and 134.
In the instrument case 200, a back cover 201 that covers the control circuit board 190 is detachable.

  The instrument preparation design plates 122 and 132 equipped in the speedometer 120 and the tachometer 130 are so-called dials, and include a disk-shaped substrate 310 and a design image 320 for the instrument printed on the surface thereof. Yes.

  As shown in FIG. 17, the design image 320 for the instrument corresponds to ground color printing 321 that covers the surface of the substrate 310, scales 322, characters 323 such as numbers and alphabets, and patterns 324 and 325.

  The manufacturer of the combination meter 100 devise a design image 320 for the instrument applied to the instrument preparation design plates 122 and 132 so as to improve the appearance of the instruments. In FIG. 17, the pattern 324 printed at the center of the instrument preparation board 132 is a lattice pattern, and the lattice portion is formed to be convex by stacking ink.

  Conventionally, it is known to use screen printing for printing the pattern 324 (see Patent Document 1 below).

In screen printing, the pattern 324 is formed by performing each process shown in FIG.
18A and 18B, the ultraviolet curable ink 420 is placed in the frame of the screen plate 410 arranged on the substrate 310, and the ultraviolet curable ink 420 is slid with the squeegee 430. In this step, the ink droplets 421 of the ultraviolet curable ink 420 are applied to the substrate 310. FIGS. 18C and 18D are steps in which the application of the ink droplet 421 is repeated to make the height h of the ink layer 422 applied to the substrate 310 a predetermined height. FIG. 18E shows a step of moving the substrate 310 on which the ink layer 422 is stacked at a predetermined height to an ultraviolet irradiation unit that cures the ultraviolet curable ink. FIG. 18F shows an ultraviolet irradiation process in the ultraviolet irradiation unit. In this ultraviolet irradiation step, the ultraviolet ray 441 is irradiated to the ink layer 422 on the substrate 310 by the ultraviolet irradiation device 440 to cure the ink layer 422.

  FIG. 19 shows a cross section of the lattice pattern formed by the screen printing process shown in FIG. 18 (cross section taken along line EE in FIG. 17).

  As shown in FIG. 19, when a pattern is formed by screen printing, the applied ink is dripped and flattened during the movement time for moving the substrate 310 from the ink application process to the ink curing process. There is a problem that a three-dimensional structure standing upright cannot be formed.

  From such a background, the following Patent Document 2 discloses an instrument preparation design plate 500 shown in FIG.

  The instrument prepared design plate 500 includes a transparent resin disk-shaped substrate 510, a first instrument design image 520 formed on the back surface of the substrate 510, and a second formed on the surface of the substrate 510. Design image 530 for the instrument.

  The design image 520 for the first instrument includes a colored ink layer 521 that is uniformly printed on the entire back surface of the substrate 510. This colored ink layer 521 bears the color that is the basic color of the instrument preparation design plate 500, and is formed, for example, by applying and drying a colored ink containing a metallic pigment or metal fine particles.

  The design image 530 for the second instrument is a concavo-convex structure formed on the surface of the substrate 510 in order to further improve the metallic texture provided by the design image 520 for the first instrument.

  The design image 530 for the second instrument is a metal-like texture provided by the design image 520 for the first instrument by forming the hairline pattern by arranging the linearly raised pixels 531 at a minute interval. To improve.

  The linear pixel 531 constituting the design image 530 for the second instrument has a three-dimensional structure by stacking a plurality of ink layers 531a, 531b, and 531c.

  The plurality of ink layers 531 a, 531 b, and 531 c constituting the pixel 531 includes an ink application process in which ink droplets of ultraviolet curable ink are landed on the substrate 510 by a print head of the ultraviolet curable ink jet printer, and the substrate 510. It is formed by repeating the ink curing process in which the ink droplets that have landed are flattened by their own weight to form a cured ink layer by irradiating the ink droplets with ultraviolet rays at the same location.

  As described above, the pixel 531 formed by repeatedly curing the ink droplets landed on the substrate 510 by the print head of the ultraviolet curable ink jet printer by ultraviolet irradiation before flattening by the dead weight is the ultraviolet curable ink jet printer. Since the printing position accuracy is high, it is possible to form a three-dimensional structure that stands vertically from the substrate 310, and it is possible to make a good shadow that is important in improving the three-dimensional effect of the design.

JP 2009-180572 A Japanese Patent Laid-Open No. 2007-249028

  By the way, the print head for color printing of an inkjet printer is provided with a predetermined number of ink droplet ejection nozzles for each ink color. In other words, each ink color can eject ink droplets at a time only by the number of equipped ink droplet ejection nozzles. Therefore, when the design image 530 shown in FIG. 20 is formed, if the ink colors of the ink layers 531a and 531b constituting each pixel 531 are specified as specific colors, the formation of these ink layers 531a and 531b is performed. In this case, only the ink droplet ejecting nozzles corresponding to the designated ink color can eject ink droplets out of the total number of ink droplet ejecting nozzles equipped with the print head, and the ink layers 531a and 531b are spread over a wide area. The number of repetitions of the ink application process when forming the ink increases, and there is a problem that the cost is increased due to an increase in printing time.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an instrument-designed design board that can improve the productivity by reducing the time required to print a design image of a three-dimensional structure in order to solve the above-mentioned problems. .

The above-described object of the present invention is achieved by the following configuration.
(1) A board and a three-dimensional design image for an instrument printed on the board,
The design image includes a structural ink layer that is stacked in units of pixels on the substrate to form a three-dimensional structure, and an appearance ink layer that covers the surface of the three-dimensional structure formed by the structural ink layer,
Instrument preparation board,
The structural ink layer is not limited in ink color, and among the ink droplet ejecting nozzles of each ink color equipped in the print head of the ultraviolet curable ink jet printer, an ultraviolet curable type ink layer can be used. An ink application step for landing ink droplets of ink on the substrate, an ink curing step for forming an ink layer by irradiating the ink droplets with ultraviolet rays before the ink droplets landed on the substrate are flattened by their own weight, and Formed with
The appearance ink layer includes an ink application step of landing the ultraviolet curable ink droplets that are the appearance color of the design image on the substrate, and the ink droplets that have landed on the substrate before being flattened by their own weight. an ink curing step and the ink layer was cured by irradiation with ultraviolet rays to drop, in form,
In the structural ink layer, a plurality of ink colors are mixed in an ink layer having the same number of layers from the substrate.
Instrument prepared takumi board characterized by that.

(2) A base design layer that is formed in a laminated state on the surface of the substrate and serves as a base pattern of the design image,
The instrument design board according to (1), wherein the design image is printed on the base design layer.

(3) The substrate is a transparent plate material,
The instrument preparation design according to (1), further comprising a base design layer printed on a surface opposite to a surface on which the design image of the substrate is printed, and serving as a base pattern of the design image. Board.

  (4) Any one of the above (1) to (3), wherein the structural ink layer and the appearance ink layer are arranged so that the unevenness of the design image has a smooth curved shape. Instrument-prepared master board as described in 1.

  (5) The instrument-prepared design board according to any one of (1) to (4) above, wherein a colorless and transparent clear ink layer is provided on the appearance ink layer.

  (6) Any one of the above (1) to (5), wherein a colored ink layer constituting an instrument preparation different from the design image is printed on the three-dimensional design image Instrument preparation board as described in one.

(7) The substrate is a transparent plate material,
The said design image forms the stitch pattern which permeate | transmits the design arrange | positioned at the back side of the said board | substrate, The instrument preparation design board as described in said (1) characterized by the above-mentioned.

  According to the configuration of (1) above, the three-dimensional design image for an instrument printed on the substrate is an ink application step in which ink droplets of ultraviolet curable ink are landed on the substrate by an ultraviolet curable inkjet printer; Before the ink droplets that have landed on the substrate are flattened by their own weight, the ink droplets are irradiated with ultraviolet rays to form a cured ink layer, and the ink curing step is alternately repeated. Therefore, taking advantage of the high printing position accuracy of the ultraviolet curable ink jet printer, it can be formed into a three-dimensional structure that stands vertically from the substrate. And since the edge of a design image stands | starts up perpendicularly | vertically from a board | substrate, when making the three-dimensional effect of a design stand out, a favorable favorable shadow can be made. Therefore, a more natural and excellent stereoscopic effect can be imparted to the design image.

  According to the configuration of (1) above, the appearance color of the three-dimensional design image is provided by the appearance ink layer that covers the surface of the three-dimensional structure formed by the structure ink layer. The ink layer for the structure forming the three-dimensional structure is not limited in ink color, and can be used among the ink droplet ejection nozzles of each ink color provided in the print head of the ultraviolet curable ink jet printer. Formed using.

  Therefore, for example, when printing the structural ink layer, the ink droplets are landed on the substrate by using all the ink droplet ejection nozzles provided in the print head to form a wide-area structural ink layer in a short time. be able to. Therefore, compared to printing with limited ink color ink droplet ejection nozzles, the number of repetitions of the ink application process when forming the structural ink layer in a wide area is reduced, and a three-dimensional structure design image is printed. The time concerning can be shortened. And productivity can be improved by shortening printing time.

  According to the configuration of (2) above, the three-dimensional design image for the instrument is printed on the base design layer formed on the surface of the substrate. Accordingly, since the three-dimensional design image floats on the base design layer, the three-dimensional effect of the three-dimensional design image can be further improved by the base design layer. In addition, for example, the base design layer can be provided with a composite design having a variety of colors by applying a color different from the appearance color of the three-dimensional design image, and the instrument design board has a higher decorative property. Appearance can be imparted.

  According to the configuration of (3) above, the transparent layer of the substrate is interposed between the three-dimensional design image for the instrument and the base design layer, so that the three-dimensional design image becomes clearer and the base It can be lifted on the design layer, and the stereoscopic effect of the three-dimensional design image can be further improved.

  According to the configuration of (4) above, the shading formed by the unevenness becomes light, and it is possible to provide a stereoscopic image with a soft impression required for the background of the instrument dial.

  According to the configuration of (5) above, the clear ink layer gives gloss to the color of the appearance ink layer, and the appearance of the appearance ink layer can be improved. Further, since the clear ink layer protects the appearance ink layer, the durability of the three-dimensional design image for the instrument can be improved.

  According to the configuration of (6) above, the colored ink layer printed on the three-dimensional design image constitutes an instrument preparation different from the three-dimensional design image. For example, the three-dimensional design Express a complex composite design by expressing the three-dimensional background of the dial in the image and expressing the characters and scales on the dial with a colored ink layer printed on the three-dimensional design image. And the degree of freedom of design can be improved.

  According to the configuration of (7) above, the design image printed on the surface of the substrate functions as a stitch member that transmits the design arranged on the back side of the substrate. And since the high-definition stitch pattern can be formed by taking advantage of the high printing position accuracy of the ultraviolet curable ink jet printer, it is possible to improve the transmission performance and blindfold performance due to the mesh pattern.

  Conventionally, in order to form a stitch member for an instrument, in the case of a metal stitch member, the metal plate is punched into a stitch shape by edging or punching, and in the case of a resin stitch member, a stitch shape is used. The molding process was performed. As described above, in order to create a stitch member for a conventional instrument, a large-scale device is required, and the cost is high. However, according to the configuration of (7) above, it is possible to easily create a stitch member for an instrument at low cost.

  According to the instrument prepared design board according to the present invention, it is possible to shorten the time required for printing the three-dimensional design image, and to improve the productivity of the instrument prepared design board having the three-dimensional design image.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

FIG. 1 is a front view of a first embodiment of an instrument preparation design plate according to the present invention. FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 and is an explanatory diagram of the configuration of the three-dimensional design image shown in the first embodiment. 3 is an explanatory diagram of a process of forming the design image shown in FIG. 2, FIG. 3 (a) is an ink application process, FIG. 3 (b) is a head moving process, FIG. 3 (C) is an ink curing process, 3D shows an ink application process, FIG. 3E shows a head moving process, and FIG. 3F shows an ink curing process. FIG. 4 is an enlarged cross-sectional view of a second embodiment of the instrument prepared design plate according to the present invention. FIG. 5 is an enlarged cross-sectional view of the third embodiment of the instrument preparation board according to the present invention. FIG. 6 is an enlarged cross-sectional view of a fourth embodiment of the instrument prepared design plate according to the present invention. FIG. 7 is an enlarged cross-sectional view of a fifth embodiment of an instrument preparation board according to the present invention. FIG. 8 is a front view of a sixth embodiment of an instrument preparation board according to the present invention. FIG. 9 is a cross-sectional view taken along the line BB in FIG. 8 and is an explanatory diagram of the configuration of the design image of the sixth embodiment. FIG. 10 is a front view of a meter using the seventh embodiment of the instrument preparation board according to the present invention. 11 is a cross-sectional view taken along the line CC of FIG. FIG. 12 is an enlarged view of the instrument prepared design plate on which the design image having the mesh pattern shown in FIG. 10 is printed. 13 is a cross-sectional view of the instrument prepared design plate shown in FIG. FIG. 14A to FIG. 14F are photographs of patterns of various printing heights printed by the method of the seventh embodiment. FIG. 15 is a front view of a combination meter in which an instrument preparation board according to the present invention is used. 16 is a cross-sectional view taken along the line DD of FIG. FIG. 17 is an explanatory diagram of the configuration of the instrument preparation design plate shown in FIG. FIG. 18 is an explanatory diagram of a screen printing process for printing a three-dimensional design image on an instrument-prepared design board, FIGS. 18A to 18D are an ink application process, FIG. 18E is a movement process, FIG. 18F shows an ultraviolet irradiation process. 19 is a cross-sectional view taken along line EE in FIG. 17 and a cross-sectional view showing the irregularities of the pattern of the lattice pattern shown in FIG. FIG. 20 is a perspective view showing a configuration of a conventional instrument prepared design plate in which a three-dimensional design image is printed by an ultraviolet curable ink jet printer.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, a preferred embodiment of an instrument preparation design plate according to the invention will be described in detail with reference to the drawings.

[First Embodiment]
1 to 3 show a first embodiment of an instrument prepared design board according to the present invention, FIG. 1 is a front view of the first embodiment of an instrument prepared design board according to the present invention, and FIG. FIG. 3 is a cross-sectional view taken along line AA of FIG. 3 and is an explanatory diagram of the configuration of the three-dimensional design image shown in the first embodiment, and FIG. 3 is an explanatory diagram of a process of forming the design image shown in FIG.

  The instrument preparation design plate 1 of the first embodiment is used as a dial of a tachometer in the combination meter 100 shown in FIG. As shown in FIGS. 1 and 2, the instrument preparation design board 1 of the first embodiment includes a substrate 2 formed in a disk shape with an opaque resin, and an instrument for printing on the substrate 2. A three-dimensional design image 3. In the center of the substrate 2, a pointer insertion hole 21 through which the pointer shaft is inserted is formed.

  The design image 3 of the present embodiment is a pattern in which a lattice-like or half-tone three-dimensional pattern is formed around the pointer insertion hole 21 at the center of the substrate 2. In the case of the present embodiment, in addition to the design image 3, a scale 4, characters 5 such as numbers and alphabets, a pattern 6, and the like are provided on the surface of the substrate 2.

  As shown in FIG. 2, the design image 3 of the present embodiment includes structural ink layers 31 a and 31 b that are stacked in units of pixels on the substrate 2 to form a three-dimensional structure, and the structural ink layers 31 a and 31 b. Ink layers for appearance 32a, 32b, 32c covering the surface of the three-dimensional structure to be provided.

  The structural ink layer 31a is a first structural ink layer printed on the surface of the substrate 2 in units of pixels. The structural ink layer 31b is a second structural ink layer that is laminated on the first structural ink layer 31a in pixel units.

  The appearance ink layer 32a is a first appearance ink layer printed on the surface of the substrate 2 in units of pixels so as to cover the outside of the first structure ink layer 31a forming the three-dimensional structure. is there. The external appearance ink layer 32b is a second external appearance ink layer laminated on the upper surface of the first structural ink layer 31a forming the three-dimensional structure or the upper surface of the first external appearance ink layer 32a. It is. The appearance ink layer 32c is a third appearance ink layer laminated on the upper surface of the second structural ink layer 31b forming the three-dimensional structure or the upper surface of the second appearance ink layer 32b. It is.

  Each of the ink layers 31a, 31b, 32a, 32b, and 32c is formed by the procedure shown in FIGS. 3 (a) to 3 (f).

  The first structural ink layer 31a and the first outer appearance ink layer 32a include an ink application process shown in FIG. 3A, a head moving process shown in FIG. It is formed by performing the ink curing step shown in FIG.

  Further, the second structural ink layer 31b and the second appearance ink layer 32b include an ink application process shown in FIG. 3D, a head moving process shown in FIG. It is formed by performing the ink curing step shown in f).

  The third-layer appearance ink layer 32c is the second-layer appearance ink layer 31b and the second-layer appearance ink layer 32b, as in the case of forming the second-layer appearance ink layer 32b. It is formed on the ink layers 31b and 32b by repeating the processes of FIGS. 3D to 3F.

  The ink application process shown in FIG. 3A is a process in which fine ink droplets 11a of ultraviolet curable ink are landed on the substrate 2 by the ink droplet ejection nozzles 22a of the print head 22 of the ultraviolet curable ink jet printer.

  The head moving process shown in FIG. 3B is a process of moving the ultraviolet irradiation unit 22b of the print head 22 directly above the ink droplet 11b in order to cure the ink droplet 11b that has landed on the substrate 2.

  The ink curing process shown in FIG. 3C is a process in which the ink droplet 11b that has landed on the substrate 2 is irradiated with ultraviolet rays 24 before being flattened by its own weight to form a cured ink layer 11. is there.

  In the ink application step shown in FIG. 3D, fine ink droplets 12a of ultraviolet curable ink are applied to the first ink layer 11 of the substrate 2 by the ink droplet ejection nozzles 22a of the print head 22 of the ultraviolet curable ink jet printer. It is the process of landing on the top.

  The head moving step shown in FIG. 3 (e) is a step of moving the ultraviolet irradiation section 22b of the print head 22 directly above the ink droplet 12b in order to cure the ink droplet 12b that has landed on the substrate 2.

  The ink curing process shown in FIG. 3F is a process in which the ink droplet 12b that has landed on the substrate 2 is irradiated with ultraviolet rays 24 before being flattened by its own weight to form a cured ink layer 12. is there.

  In the print head 22 shown in FIG. 3, the ink droplet 11a is ejected from the single ink droplet ejection nozzle 22a for the sake of simplicity. However, in the case of the print head 22 for color printing, a plurality of ink droplet ejection nozzles are provided for each ink color to be used, and the plurality of ink droplet ejection nozzles simultaneously eject ink droplets to perform printing.

  In the case of this embodiment, the ink colors of the structural ink layers 31a and 31b are not limited, and usable inks among the ink droplet ejection nozzles of the respective ink colors provided in the print head 22 of the ultraviolet curable ink jet printer. An ink application process in which ink droplets of ultraviolet curable ink are landed on the substrate 2 using all of the droplet ejection nozzles, and the ink droplets that have landed on the substrate 2 are cured by irradiating the ink droplets with ultraviolet rays before being flattened by their own weight And an ink curing step for forming an ink layer.

  The usable ink droplet ejecting nozzle corresponds to an ink droplet ejecting nozzle capable of ejecting an ink droplet to a pixel position where a structural ink layer is formed regardless of the ink color of the ejected ink droplet. Therefore, the structural ink layers arranged in the same layer may use a plurality of ink droplet ejection nozzles having different ink colors. In this case, a plurality of ink colors are mixed. In addition, the structural ink layer to be laminated may be an ink layer having a different ink color.

  In the case of the present embodiment, the appearance ink layers 32 a, 32 b, and 32 c are landed on the substrate 2 and an ink application step for landing ink droplets of ultraviolet curable ink that is the appearance color of the design image 3 on the substrate 2. And an ink curing step in which an ink layer is cured by irradiating the ink droplet with ultraviolet rays before the ink droplet is flattened by its own weight. Therefore, the ink droplet ejecting nozzles used for forming the appearance ink layers 32a, 32b, and 32c are limited to the ink droplet ejecting nozzles assigned for ejecting the ink having the appearance color.

  In FIG. 2, as the three-dimensional design image 3 formed through the printing process shown in FIG. 3, a three-dimensional image 3S2 in which two ink layers are laminated, and a three-dimensional image 3S3 in which three ink layers are laminated, Is illustrated. Further, both the three-dimensional image 3S2 and the three-dimensional image 3S3 make use of the high printing position accuracy of the ultraviolet curable ink jet printer to align the edges of the ink layers to be stacked. Therefore, each of the three-dimensional images 3S2 and 3S3 is formed into a three-dimensional structure in which the edges of the ink layers to be stacked are aligned and stand upright from the substrate 2 as indicated by symbol H in FIG.

  As shown in FIG. 2, there is a height difference of D1 in the height dimension between the two-layer stereoscopic image 3S2 and the three-layer stereoscopic image 3S3. In the present embodiment, the separation distance between the stereoscopic image 3S2 and the stereoscopic image 3S3 adjacent to the stereoscopic image 3S2 is L1. Further, the separation distance between the adjacent stereoscopic images 3S3 is L2.

  Since the three-dimensional images 3S2 and 3S3 have a three-dimensional structure that stands vertically, as shown in FIG. 2, clear shadows SH1 and SH2 are formed between the three-dimensional images 3S2 and 3S3. The shadow SH1 is a shadow formed between the three-dimensional image 3S2 in which the ink layers are stacked in two layers and the three-dimensional image 3S3 in which the ink layers are stacked in three layers. The shadow SH2 is a shadow formed between adjacent three-dimensional images 3S3. The shadow SH1 is a lighter color than the shadow SH2.

  In the instrument preparation design plate 1 according to the first embodiment described above, a three-dimensional design image 3 for an instrument printed on the substrate 2 is obtained by applying ink droplets of ultraviolet curable ink to the substrate using an ultraviolet curable inkjet printer. The ink application process for landing on the substrate 2 and the ink curing process for forming an ink layer cured by irradiating the ink droplet with ultraviolet rays before the ink droplet landed on the substrate 2 is flattened by its own weight are alternately repeated. Form.

  Therefore, taking advantage of the high printing position accuracy of the ultraviolet curable ink jet printer, the edges of the ink layers to be laminated are aligned as shown in FIG. Can do. And since the edge of the design image 3 stands upright from the board | substrate 2, as shown in FIG. 2, favorable shadow SH1, SH2 important in making the three-dimensional effect of a design stand out can be made. Therefore, a more natural and excellent stereoscopic effect can be imparted to the design image 3.

  Moreover, in the instrument preparation design board 1 of 1st Embodiment, the appearance color of the three-dimensional design image 3 is the appearance ink layer 32a, 32b, 32c which covers the surface of the three-dimensional structure which the structural ink layers 31a and 31b form. Provided by. The structural ink layers 31a and 31b forming the three-dimensional structure are not limited in ink color, and can be used among the ink droplet ejection nozzles of the respective ink colors provided in the print head 22 of the ultraviolet curable ink jet printer. It is formed using an ink droplet ejection nozzle.

  Therefore, for example, when printing the structural ink layers 31a and 31b, the ink droplets are landed on the substrate 2 by using all the ink droplet ejection nozzles provided in the print head, so that a wide range of structural ink can be obtained in a short time. Layers 31a and 31b can be formed. Therefore, compared with the case where printing is performed using only ink droplet ejection nozzles of a limited ink color, the number of repetitions of the ink application process when forming the structural ink layers 31a and 31b in a wide area is reduced, and the design of the three-dimensional structure is achieved. The time for printing the image 3 can be shortened. And productivity can be improved by shortening printing time.

[Second Embodiment]
FIG. 4 is an enlarged cross-sectional view of a second embodiment of the instrument prepared design plate according to the present invention.
The instrument preparation design plate 1 </ b> A of the second embodiment includes a substrate 2, a three-dimensional design image 3 for an instrument, and a base design layer 71.

  The board | substrate 2 becomes a dial of a rotary meter, and is formed in disk shape with opaque resin similarly to the instrument preparation design board 1 of 1st Embodiment.

  The design image 3 has the same configuration as the design image 3 in the first embodiment, and the same reference numerals as those in the first embodiment are given, and the description thereof is omitted. However, in the case of this embodiment, the design image 3 is printed on the base design layer 71.

  The base design layer 71 in the second embodiment is a film having a constant thickness, and is formed in a laminated state on the surface of the substrate 2. The base design layer 71 is a design that is a base pattern of the design image 3 and is formed on the surface of the substrate 2 by a printing process using an ink jet printer.

  In the case of the instrument preparation design plate 1 </ b> A according to the second embodiment, the three-dimensional design image 3 for the instrument is printed on the base design layer 71 formed on the surface of the substrate 2. Therefore, since the three-dimensional design image 3 floats on the base design layer 71, the three-dimensional effect of the three-dimensional design image 3 can be further improved by the base design layer 71. In addition, for example, the base design layer 71 can be provided with a composite design having various colors by applying a color different from the appearance color of the three-dimensional design image 3, and the instrument design board can be more decorative. High appearance can be imparted.

[Third Embodiment]
FIG. 5: is an expanded sectional view of 3rd Embodiment of the instrument preparation design board which concerns on this invention.
The instrument preparation design plate 1B of the third embodiment includes a substrate 2B, a three-dimensional design image 3 for an instrument, and a base design layer 72.

  The substrate 2B serves as a dial for a rotary meter, and is a disc-shaped transparent plate material.

  The three-dimensional design image 3 for the instrument has the same configuration as the design image 3 in the first embodiment, and the same reference numerals as those in the first embodiment are used, and the description thereof is omitted.

  The base design layer 72 is a film having a constant thickness, and is printed on the surface opposite to the surface on which the design image 3 of the substrate 2 is printed. The base design layer 72 is a design that forms the base pattern of the design image 3.

  In the case of the instrument preparation design plate 1B of the third embodiment, a transparent layer of the substrate 2B is interposed between the three-dimensional design image 3 for the instrument and the base design layer 72, and the three-dimensional design image. 3 can float more clearly on the base design layer 72, and can further improve the stereoscopic effect of the stereoscopic design image 3.

[Fourth Embodiment]
FIG. 6: is an expanded sectional view of 4th Embodiment of the instrument preparation design board which concerns on this invention.
The instrument preparation design plate 1C according to the fourth embodiment includes a substrate 2 formed in a disk shape with an opaque resin, and a three-dimensional design image 3X for an instrument printed on the substrate 2. .

  The design image 3X covers the surface of the three-dimensional structure formed by the structural ink layers 31a, 31b, and 31c, which are stacked on the substrate 2 in pixel units to form a three-dimensional structure, and the structural ink layers 31a, 31b, and 31c. And ink layers for appearance 32a, 32b, 32c, and 32d.

  The structural ink layer 31a is a first structural ink layer printed on the surface of the substrate 2 in units of pixels. The structural ink layer 31b is a second structural ink layer that is laminated on the first structural ink layer 31a in pixel units. The structural ink layer 31c is a third structural ink layer that is stacked on the second structural ink layer 31b in pixel units.

  The appearance ink layer 32a is a first appearance ink layer printed on the surface of the substrate 2 in units of pixels so as to cover the outside of the first structure ink layer 31a forming the three-dimensional structure. is there. The external appearance ink layer 32b is a second external appearance ink layer laminated on the upper surface of the first structural ink layer 31a forming the three-dimensional structure or the upper surface of the first external appearance ink layer 32a. It is. The appearance ink layer 32c is a third appearance ink layer laminated on the upper surface of the second structural ink layer 31b forming the three-dimensional structure or the upper surface of the second appearance ink layer 32b. It is. The appearance ink layer 32d is a fourth appearance ink layer laminated on the upper surface of the third structure ink layer 31c forming the three-dimensional structure or on the upper surface of the third appearance ink layer 32c. It is.

  Each of the ink layers 31a, 31b, 31c, 32a, 32b, 32c, and 32d repeats the ink application process and the ink curing process shown in FIG. 3 alternately as in the case of the ink layers of the first embodiment. Formed with.

  The structural ink layers 31a, 31b, and 31c forming the three-dimensional structure are not limited in ink color as in the case of the first embodiment. Of all the ink droplet ejection nozzles of the color, the ink application process for landing the ink droplets of the ultraviolet curable ink on the substrate 2 using all the usable ink droplet ejection nozzles, and the ink droplets landed on the substrate 2 are flattened by their own weight. And an ink curing step in which an ink layer is cured by irradiating the ink droplets with ultraviolet rays.

  In addition, the appearance ink layers 32a, 32b, 32c, and 32d have an ink application process in which ink droplets of ultraviolet curable ink that is the appearance color of the design image 3 are landed on the substrate 2, and the ink droplets that have landed on the substrate 2 are self-weighted. And an ink curing step of forming an ink layer cured by irradiating the ink droplets with ultraviolet rays before flattening. Therefore, the ink droplet ejecting nozzles used for forming the appearance ink layers 32a, 32b, 32c, and 32d are limited to the ink droplet ejecting nozzles assigned for ejecting the ink having the appearance color.

  In the case of the present embodiment, the structural ink layers 31a, 31b, and 31c and the appearance ink layers 32a, 32b, 32c, and 32d are arranged so that the unevenness of the design image 3X has a smooth curved shape.

  In the instrument prepared design plate 1C of the fourth embodiment described above, the shadow formed by the unevenness of the three-dimensional design image 3X becomes light, and a three-dimensional image with a soft impression required for the background of the instrument dial, etc. It becomes possible to provide.

[Fifth Embodiment]
FIG. 7: is an expanded sectional view of 5th Embodiment of the instrument preparation design board which concerns on this invention.
The instrument preparation design plate 1D of the fifth embodiment is an improvement of the instrument preparation design plate 1C of the fourth embodiment. The improved point is that a colorless and transparent clear ink layer 33 is provided on the appearance ink layers 32b, 32c, and 32d.

  The clear ink layer 33 is cured by irradiating the ink droplet with ultraviolet rays before the ink droplet landing on the substrate 2 is flattened by its own weight. And an ink curing step for forming an ink layer. Accordingly, the ink droplet ejecting nozzles used for forming the clear ink layer 33 are limited to the ink droplet ejecting nozzles assigned for discharging the clear ink.

  In the case of the instrument preparation design plate 1D of the fifth embodiment described above, the clear ink layer 33 gives gloss to the coloring of the appearance ink layers 32b, 32c, 32d, and the appearance of the appearance ink layers 32b, 32c, 32d. Can be improved. Further, since the clear ink layer 33 protects the appearance ink layers 32b, 32c, and 32d, the durability of the three-dimensional design image 3X for the instrument can be improved.

[Sixth Embodiment]
8 and 9 show a sixth embodiment of the instrument prepared design board according to the present invention, FIG. 8 is a front view of the instrument prepared design board of the sixth embodiment, and FIG. 9 is a BB of FIG. It is sectional drawing which follows a line, and is explanatory drawing of a structure of the design image of 6th Embodiment.

  The instrument preparation design plate 1E of the sixth embodiment is used as a dial of a tachometer in the combination meter 100 shown in FIG. In addition, the instrument preparation design plate 1E of the sixth embodiment includes a substrate 2 formed in a disk shape with an opaque resin, a three-dimensional design image 3Y for an instrument printed on the substrate 2, Colored ink layers 34 and 35 printed on the design image 3Y, and a colored ink layer 36 printed on a region of the substrate 2 where the design image 3Y is not printed are provided.

  The design image 3Y covers the surface of the three-dimensional structure formed by the structural ink layers 31a, 31b, and 31c and the structural ink layers 31a, 31b, and 31c that are stacked on the substrate 2 in units of pixels to form a three-dimensional structure. And ink layers for appearance 32a, 32b, 32c, and 32d.

  The structural ink layer 31a is a first structural ink layer printed on the surface of the substrate 2 in units of pixels. The structural ink layer 31b is a second structural ink layer that is laminated on the first structural ink layer 31a in pixel units. The structural ink layer 31c is a third structural ink layer that is stacked on the second structural ink layer 31b in pixel units.

  The appearance ink layer 32a is a first appearance ink layer printed on the surface of the substrate 2 in units of pixels so as to cover the outside of the first structure ink layer 31a forming the three-dimensional structure. is there. The external appearance ink layer 32b is a second external appearance ink layer laminated on the upper surface of the first structural ink layer 31a forming the three-dimensional structure or the upper surface of the first external appearance ink layer 32a. It is. The appearance ink layer 32c is a third appearance ink layer laminated on the upper surface of the second structural ink layer 31b forming the three-dimensional structure or the upper surface of the second appearance ink layer 32b. It is. The appearance ink layer 32d is a fourth appearance ink layer laminated on the upper surface of the third structure ink layer 31c forming the three-dimensional structure or on the upper surface of the third appearance ink layer 32c. It is.

  Each of the ink layers 31a, 31b, 31c, 32a, 32b, 32c, and 32d repeats the ink application process and the ink curing process shown in FIG. 3 alternately as in the case of the ink layers of the first embodiment. Formed with.

  The structural ink layers 31a, 31b, and 31c forming the three-dimensional structure are not limited in ink color as in the case of the first embodiment, and each ink provided in the print head 22 of the ultraviolet curable ink jet printer. Of all the ink droplet ejection nozzles of the color, the ink application process for landing the ink droplets of the ultraviolet curable ink on the substrate 2 using all the usable ink droplet ejection nozzles, and the ink droplets landed on the substrate 2 are flattened by their own weight. And an ink curing step in which an ink layer is cured by irradiating the ink droplets with ultraviolet rays.

  In addition, the appearance ink layers 32a, 32b, 32c, and 32d have an ink application process in which ink droplets of ultraviolet curable ink that is the appearance color of the design image 3 are landed on the substrate 2, and the ink droplets that have landed on the substrate 2 are self-weighted. And an ink curing step of forming an ink layer cured by irradiating the ink droplets with ultraviolet rays before flattening. Therefore, the ink droplet ejecting nozzles used for forming the appearance ink layers 32a, 32b, 32c, and 32d are limited to the ink droplet ejecting nozzles assigned for ejecting the ink having the appearance color.

  As shown in FIG. 9, the colored ink layer 34 printed on the design image 3Y constitutes a scale design 4A, which is an instrument preparation design different from the design image 3Y. Further, as shown in FIG. 9, the colored ink layer 35 printed on the design image 3Y constitutes a character design 5A which is an instrument preparation design different from the design image 3Y.

  The colored ink layer 36 printed in the region where the design image 3Y on the substrate 2 is not printed forms a ground pattern on the substrate 2 separately from the three-dimensional design image 3Y.

  In the case of this embodiment, the colored ink layers 34 and 35 and the colored ink layer 36 are formed by the ink application process and the ink curing process shown in FIG.

  In the case of the instrument preparation design plate 1E of the sixth embodiment described above, the colored ink layers 34 and 35 printed on the three-dimensional design image 3Y are different from the three-dimensional design image 3Y. For example, the three-dimensional design image 3Y represents the three-dimensional background of the dial, and the colored ink layers 34 and 35 printed on the three-dimensional design image 3Y By expressing the characters 5A and the scale 4A, a complex composite design can be expressed, and the degree of freedom of the design can be improved.

[Seventh Embodiment]
10 to 13 show a seventh embodiment of the instrument prepared design board according to the present invention. FIG. 10 is a front view of a meter using the seventh embodiment of the instrument prepared design board according to the present invention. 11 is a cross-sectional view taken along the line C-C in FIG. 10, FIG. 12 is an enlarged view of the instrument prepared design plate on which the design image of the mesh pattern shown in FIG. 10 is printed, and FIG. 13 is the instrument prepared design plate shown in FIG. FIG.

  A meter 50 shown in FIGS. 10 and 11 includes a first dial 51, an instrument prepared design plate 1 </ b> F disposed at the center of the first dial 51, a second dial 53, and an indicator light source 54. A motor 55, a pointer 56, a pointer cap 57, and a pointer light source 58.

  The first dial 51 is formed of a light guide plate such as acrylic resin. The first dial 51 is formed in a donut board shape with an opening 51a provided in the center thereof. The first dial 51 is provided with a convex scale 61 along the inner edge of the opening 51a. Further, a light shielding layer (not shown) in which portions corresponding to the scales 61 and 62 and the numeral 63 are cut out is formed on the entire front face of the first dial 51. With the above configuration, when light is incident on the light guide plate constituting the first dial 51, the light is guided through the light guide plate, and is emitted to the front from the scales 61 and 62 and the number 63 from which the light shielding layer is cut out. Therefore, the scales 61 and 62 and the numeral 63 are brilliantly viewed. Further, as shown in FIG. 10, a dial 71 and a pointer 72 of the fuel gauge 70 are arranged in front of the first dial 51.

  The instrument prepared design plate 1F is disposed so as to overlap the back surface of the instrument prepared design plate 1F so as to cover the opening 51a of the first dial plate 51.

  As shown in FIGS. 12 and 13, the instrument prepared design plate 1 </ b> F includes a substrate 2 </ b> D formed of a transparent plate material and a three-dimensional design image 3 </ b> Z printed on the surface of the substrate 2 </ b> D. .

  As the substrate 2D, for example, a light guide plate such as an acrylic resin can be used. The substrate 2D is formed with a penetrating hole 21 penetrating through a central portion of the substrate 2D through which the shaft portion of the pointer 56 is inserted. In addition, the board 2D is provided with mounting ears 28 at a plurality of locations on the outer periphery. The instrument prepared design plate 1 </ b> F is fixed to the back surface of the first dial 51 via the mounting ears 28.

  As shown in FIG. 13, the design image 3Z includes a structural ink layer 31a that is stacked in units of pixels on the substrate 2D to form a three-dimensional structure, and an external appearance that covers the surface of the three-dimensional structure formed by the structural ink layer 31a. An ink layer 32b.

The structural ink layer 31a is an ink layer printed on the surface of the substrate 2 in units of pixels.
The appearance ink layer 32b is an ink layer laminated on the upper surface of the structural ink layer 31a forming a three-dimensional structure.

  The ink layers 31a and 32b constituting the design image 3Z are formed according to the procedure shown in FIGS.

  The first structural ink layer 31a performs the ink application step shown in FIG. 3A, the head moving step shown in FIG. 3B, and the ink curing step shown in FIG. 3C. By that, it is formed.

  In addition, the appearance ink layer 32b is obtained by performing the ink application step shown in FIG. 3D, the head moving step shown in FIG. 3E, and the ink curing step shown in FIG. ,It is formed.

  Also in the present embodiment, the ink color of the structural ink layer 31a is not limited, and ink droplets that can be used among the ink droplet ejection nozzles of each ink color that are provided in the print head 22 of the ultraviolet curable ink jet printer. An ink application process in which ink droplets of ultraviolet curable ink are landed on the substrate 2D using all of the ejection nozzles, and ink that has been cured by irradiating the ink droplets with ultraviolet light before the ink droplets landed on the substrate 2D are flattened by their own weight. And an ink curing step for forming a layer.

  Also in the present embodiment, the appearance ink layer 32b includes an ink application process in which ink droplets of ultraviolet curable ink that is the appearance color of the design image 3Z are landed on the substrate 2D, and ink droplets that have landed on the substrate 2D. And an ink curing step in which an ink layer is cured by irradiating the ink droplets with ultraviolet rays before being flattened by its own weight. Therefore, the ink droplet ejecting nozzles used for forming the appearance ink layer 32b are limited to the ink droplet ejecting nozzles assigned for discharging the ink having the appearance color.

  In the present embodiment, black ink that does not transmit light is used for the appearance ink layer 32b.

  As shown in FIG. 12, the design image 3Z of the present embodiment forms a stitch pattern in which hexagonal stitches 81 are arranged without gaps. The inside of the hexagonal stitch 81 is a transparent window that can transmit light. The stitches 81 themselves formed by the appearance ink layer 32b are formed of black ink that does not transmit light.

  That is, the three-dimensional design image 3Z in the present embodiment forms a stitch pattern that allows the design of the second dial 53 arranged on the back side of the substrate 2D to pass therethrough.

  As shown in FIG. 11, the second dial plate 53 is disposed so as to be separated from the back side of the instrument preparation design plate 1 </ b> F. In the second dial plate 53, a plurality of indicator designs 53a, 53b,...

  The design image 3Z of the instrument prepared design plate 1F described above has a stitch pattern and allows the indicator designs 53a and 53b of the second dial plate 53 to be seen through, while the indicator designs 53a and 53b of the second dial plate 53 have been shone. In the absence, it functions as a blindfold that makes the indicator designs 53a and 53b difficult to see.

  In the case of the instrument prepared design plate 1F of the seventh embodiment described above, the design image 3Z printed on the surface of the substrate 2D functions as a stitch member that allows the design arranged on the back side of the substrate 2 to pass therethrough. And since the high-definition stitch pattern can be formed by taking advantage of the high printing position accuracy of the ultraviolet curable ink jet printer, it is possible to improve the transmission performance and blindfold performance due to the mesh pattern.

  Conventionally, in order to form a stitch member for an instrument, in the case of a metal stitch member, the metal plate is punched into a stitch shape by edging or punching, and in the case of a resin stitch member, a stitch shape is used. The molding process was performed. As described above, in order to create a stitch member for a conventional instrument, a large-scale device is required, and the cost is high. However, according to the structure of 7th Embodiment, the stitch member for instruments can be produced easily at low cost.

FIG. 14 is a photograph of the result of printing a pattern by the method of the seventh embodiment. 14A shows a printing height of 40 μm, FIG. 14B shows a printing height of 74 μm, FIG. 14C shows a printing height of 114 μm, FIG. 14D shows a printing height of 145 μm, FIG. (E) shows a printing height of 187 μm, and FIG. 14 (f) shows a printing height of 219 μm.
The stitch member can also be formed by printing as in these photographs.

  In addition, in the case of the design image 3Z of the seventh embodiment, the structural ink layer is one layer, but may be a laminated structure of two or more layers.

  Further, the ink color of the appearance ink layer 32b that is the appearance color of the design image 3Z is not limited to black. Various opaque ink colors can be used as long as they do not transmit light.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, the number of layers of the structural ink layer and the appearance ink layer that form the design image of the present invention is not limited to the number of layers shown in the above-described embodiments.

  Here, the features of the embodiment of the instrument prepared design plate according to the present invention described above are briefly summarized and listed in the following [1] to [7], respectively.

[1] A substrate (2) and a three-dimensional design image (3) for an instrument printed on the substrate (2),
The design image (3) is formed by the structural ink layers (31a, 31b) that are stacked in pixel units on the substrate (2) to form a three-dimensional structure, and the structural ink layers (31a, 31b). An external appearance ink layer (32a, 32b, 32c) covering the surface of the three-dimensional structure,
An instrument prepared master board (1),
The structural ink layers (31a, 31b) are not limited in ink color, and ink droplets that can be used among the ink droplet ejection nozzles of each ink color equipped in the print head (22) of the ultraviolet curable ink jet printer. An ink application process in which ink droplets of ultraviolet curable ink are landed on the substrate (2) using an ejection nozzle, and before the ink droplets landed on the substrate (2) are flattened by their own weight, And 24) an ink curing step for forming an ink layer cured by irradiation.
The appearance ink layers (32a, 32b, 32c) include an ink application step for landing ink droplets of the ultraviolet curable ink, which is an appearance color of the design image (3), on the substrate (2), and the substrate (2 And an ink curing step in which an ink layer is cured by irradiating the ink droplet with ultraviolet rays (24) before the ink droplet landed on the surface of the ink droplet is flattened by its own weight.
An instrument-prepared design board (1) characterized by that.

[2] A base design layer (71) that is formed in a laminated state on the surface of the substrate (2) and serves as a base pattern of the design image (3),
The instrument prepared design plate (1A) according to [1], wherein the design image (3) is printed on the base design layer (71).

[3] The substrate (2B) is a transparent plate material,
The substrate (2B) includes a base design layer (72) that is printed on a surface opposite to a surface on which the design image (3) is printed, and serves as a base pattern of the design image (3). The instrument prepared design plate (1B) according to the above [1].

  [4] The structural ink layer (31a, 31b, 31c) and the external appearance ink layer (32a, 32b, 32c, 32d) are formed so that the unevenness of the design image (3) has a smooth curved shape. The instrument prepared design plate (1C) according to any one of the above [1] to [3], which is arranged.

  [5] Any one of [1] to [4] above, wherein a colorless and transparent clear ink layer (33) is provided on the appearance ink layer (32b, 32c, 32d). Instrument prepared work board (1D).

  [6] On the three-dimensional design image (3Y), a colored ink layer (34, 35) constituting an instrument preparation (4A, 5A) different from the design image (3Y) is printed. The instrument prepared design plate (1E) according to any one of [1] to [5] above.

[7] The substrate (2D) is a transparent plate,
The design image (3F) according to the above [1], wherein the design image (3Z) forms a stitch pattern that allows the design arranged on the back side of the substrate (2D) to pass therethrough. .

1, 1A, 1B, 1C, 1D, 1E, 1F Instrument prepared design plate 2, 2B, 2D substrate 3, 3X, 3Y, 3Z Design image 22 Print head 22a Ink droplet ejection nozzles 31a, 31b, 31c Structural ink layer 32a , 32b, 32c, 32d Ink layer for appearance 33 Clear ink layer 34, 35 Colored ink layer

Claims (7)

A board and a three-dimensional design image for an instrument printed on the board,
The design image includes a structural ink layer that is stacked in units of pixels on the substrate to form a three-dimensional structure, and an appearance ink layer that covers a surface of the three-dimensional structure formed by the structural ink layer. A design board,
The structural ink layer is not limited in ink color, and among the ink droplet ejecting nozzles of each ink color equipped in the print head of the ultraviolet curable ink jet printer, an ultraviolet curable type ink layer can be used. An ink application step for landing ink droplets of ink on the substrate, an ink curing step for forming an ink layer by irradiating the ink droplets with ultraviolet rays before the ink droplets landed on the substrate are flattened by their own weight, and Formed with
The appearance ink layer includes an ink application step of landing the ultraviolet curable ink droplets that are the appearance color of the design image on the substrate, and the ink droplets that have landed on the substrate before being flattened by their own weight. an ink curing step and the ink layer was cured by irradiation with ultraviolet rays to drop, in form,
In the structural ink layer, a plurality of ink colors are mixed in an ink layer having the same number of layers from the substrate.
Instrument prepared takumi board characterized by that. A base design layer that is formed in a laminated state on the surface of the substrate and serves as a base pattern of the design image,
The instrument design board according to claim 1, wherein the design image is printed on the base design layer. The substrate is a transparent plate material,
The instrument prepared design board according to claim 1, further comprising a base design layer printed on a surface opposite to a surface on which the design image of the substrate is printed, and serving as a base pattern of the design image. .   The instrument ink according to claim 1, wherein the structural ink layer and the appearance ink layer are arranged so that the unevenness of the design image has a smooth curved shape. Design board.   The instrument prepared design board according to any one of claims 1 to 4, wherein a colorless and transparent clear ink layer is provided on the appearance ink layer.   The colored ink layer which comprises the instrument preparation design different from the said design image is printed on the said three-dimensional design image, The instrument as described in any one of Claims 1-5 characterized by the above-mentioned. Prepared work board. The substrate is a transparent plate;
The instrument design board according to claim 1, wherein the design image forms a stitch pattern that allows the design arranged on the back side of the substrate to pass therethrough.