JPWO2015052877A1 - Nail molding apparatus and nail molding method - Google Patents

Abstract

This is a nail molding apparatus that forms a drawing pattern on the surface of a nail (or an artificial nail) using a photocurable resin. A nail molding apparatus includes a light source, a light drawing unit that partially cures a photocurable resin using light emitted from the light source, and a control unit that controls the light source and the light drawing unit. . With this nail forming apparatus, a drawing pattern can be easily formed.

Description

  The present invention relates to a nail molding apparatus and a nail molding method for drawing on a nail or an artificial nail.

  In nail art for drawing on the surface of a nail, it is common for a user to have a practitioner draw a desired design at a nail salon. As a nail material, a gel nail using a photocurable resin as a material is widespread. And with the spread of gel nails, consumers of nail art are increasing.

  Recently, the number of users who apply nail art by themselves is increasing due to the ease of gel nails. As a product that supports such nail art by the user, a starter kit including a gel and a resin curing lamp as a set is sold.

  For example, Patent Documents 1 and 2 disclose a method in which a resin-made finger (nail) is inserted into an opening of a resin curing lamp, and the entire finger inserted into the opening is irradiated with the resin curing lamp. Patent Document 3 discloses a configuration of a pen-type resin curing lamp having a small light irradiation area in consideration of the influence of UV light for resin curing on the human body. Patent Document 4 discloses a structure having a two-wavelength light source according to the type of the photocurable resin.

Utility Model Registration No. 3151698 Utility Model Registration No. 3183499 Utility Model Registration No. 3179777 JP 2011-98073 A

  One embodiment of the present invention is a nail molding device that forms a drawing pattern using a photocurable resin on a surface of a nail or an artificial nail as a nail molding device, using a light source and a light beam emitted from the light source. An optical drawing unit that partially cures the photocurable resin, and a control unit that controls the light source and the optical drawing unit.

  One embodiment of the present invention is a nail molding method in which a drawing pattern is formed on a surface of a nail or an artificial nail using a photocurable resin. And a resin application step of applying a photocurable resin to the surface of the nail or artificial nail, a curing step of partially curing the photocurable resin, a removal step of removing an uncured portion of the photocurable resin, Is provided. In the curing step, the nail molding apparatus includes a light source, a light drawing unit that partially cures the photocurable resin using light emitted from the light source, and a control unit that controls the light source and the light drawing unit. Is used to partially cure the photocurable resin.

  With the above configuration, a drawing pattern can be easily formed on the surface of the nail or the artificial nail.

FIG. 1 is a schematic diagram showing a nail forming apparatus according to an embodiment of the present invention. FIG. 2 is a perspective view of a reflecting mirror constituting the nail forming apparatus according to the embodiment of the present invention. FIG. 3 is a diagram showing a drawing pattern. FIG. 4 is a schematic view showing a light irradiation state of the nail molding apparatus according to the embodiment of the present invention. FIG. 5 is a schematic diagram showing a nail molding method using the nail molding apparatus in the embodiment of the present invention.

  Prior to the description of the embodiment, problems of conventional nail art will be described.

  Conventionally, a user's drawing skill greatly affects the drawing of nail art by the user himself / herself. Even if the drawing skill is high, it is difficult to make the drawing accuracy the same between the drawing on the nail of the dominant hand and the drawing on the nail of the hand opposite to the dominant hand.

  Moreover, even if a practitioner performs drawing in a nail salon, there is a limit in drawing skills. However, further highly accurate drawing is required.

(Embodiment)
Embodiments of the present invention will be described below with reference to FIGS.

<Configuration of Nail Forming Apparatus 2>
FIG. 1 is a schematic diagram showing a nail forming apparatus 2 for drawing nail art on a nail 1 (forming a drawing pattern). The nail molding apparatus 2 is a nail molding apparatus 2 that forms a drawing pattern using a photocurable resin 3 on the surface of a nail 1 (or an artificial nail), and uses a light source 4 and a light beam emitted from the light source 4. A light drawing unit 5 that partially cures the photocurable resin 3, and a control unit 6 that controls the light source 4 and the light drawing unit 5.

  In the present embodiment, an ultraviolet curable photocurable resin 3 is used.

  The light source 4 emits a light beam having a wavelength for curing the photocurable resin 3. Most of the gel nails currently on the market (photocurable resin 3) require a wavelength in the range of approximately 365 nm to 410 nm in order to be cured. Therefore, in the present embodiment, a semiconductor laser having a wavelength peak near 405 nm is used as the light source 4. Further, as the optical drawing unit 5, a scanning reflection mirror 7 whose reflection angle is controlled by the control unit 6 is used.

  As the scanning reflection mirror 7, a known mirror such as a polygon mirror or a galvanometer mirror is used.

<Configuration of reflection mirror 7>
Next, details of the configuration of the reflection mirror 7 will be described with reference to FIG.

  The reflection mirror 7 includes an actuator 8 and a mirror unit 12. The actuator 8 is a biaxial drive and is a MEMS (Micro Electro Mechanical Systems) device using a Si substrate and a piezoelectric film. By forming the optical drawing unit 5 with the actuator 8, the nail forming apparatus 2 can be miniaturized.

  The actuator 8 includes a rectangular support frame 9, a rectangular movable frame 10 disposed inside the support frame 9, a rectangular movable portion 11 disposed inside the movable frame 10, and a first vibration. Part 14 and second vibrating part 16. The movable frame 10 is connected to the support frame 9 via the first vibrating portion 14. The pair of first vibrating portions 14 performs a twisting operation with the first rotation shaft 13 as a rotation center. The movable part 11 is connected to the movable frame 10 via the second vibrating part 16. The second vibrating portion 16 performs a twisting operation with the second rotation shaft 15 orthogonal to the first rotation shaft 13 as the rotation center. The first vibration unit 14 is provided with a first drive unit 17. The first drive unit 17 is connected to the control unit 6. The torsional operation of the first drive unit 17 is controlled by a control signal from the control unit 6. Although not shown, the first drive unit 17 has a laminated structure in which a piezoelectric layer made of PZT or the like is interposed between upper and lower electrodes made of Ti, Au, or the like. Then, by applying a potential difference between the upper and lower electrodes of the first drive unit 17, a twisting operation around the first rotation shaft 13 is excited in the first vibration unit 14.

  Similar to the first vibration unit 14, the second vibration unit 16 is provided with a second drive unit 18. The second drive unit 18 is connected to the control unit 6. The second drive unit 18 excites a twisting operation around the second rotation shaft 15 to the second vibrating unit 16.

  The mirror portion 12 is disposed on the surface of the movable portion 11 of the actuator 8 configured as described above, and the reflection mirror 7 can scan the light beam emitted from the light source 4 in the biaxial direction.

<Operation of Nail Forming Apparatus 2>
Next, the operation of the nail forming apparatus 2 will be described with reference to FIG.

  The control unit 6 controls the light source 4 and the light drawing unit 5. The control unit 6 controls the irradiation amount and irradiation time of the light beam emitted from the light source 4 and the reflection angle of the mirror unit 12 provided in the actuator 8. Then, a light beam is scanned on the surface of the photocurable resin 3 applied to the surface of the nail 1, and the photocurable resin 3 is partially cured. In this way, a drawing pattern is formed.

  In forming a drawing pattern, as shown in FIG. 3, when the drawing pattern is dense and dense, a region where the drawing pattern is dense is more likely to be crushed than a rough region. This pattern collapse is considered to be caused by bleeding due to diffusion of irradiated light inside the photocurable resin 3. Therefore, if the same control is performed when a dense drawing pattern is formed and when a rough drawing pattern is formed, the following problem occurs. If a rough drawing pattern is formed by setting drawing conditions suitable for a dense drawing pattern, the rough drawing pattern cannot be formed well due to insufficient exposure.

  However, in the nail molding apparatus 2 using the scanning type reflection mirror 7 described above, the control unit 6 can control the light source 4 and the light drawing unit 5 to partially cure the photocurable resin 3. Unlike exposure with a photomask, the nail forming apparatus 2 according to the present embodiment can set control conditions for each unit section obtained by subdividing a drawing area. As a result, even when the drawing pattern is coarse and dense, the control conditions can be made different between the drawing region where the dense drawing pattern is formed and the drawing region where the rough drawing pattern is formed. That is, the control unit 6 can form an optimum drawing pattern by controlling the light source 4 and the light drawing unit 5 according to the density of the drawing pattern. Formation of an optimum drawing pattern according to the density of the drawing pattern can be realized as follows.

  The irradiation time of the light beam emitted from the light source 4 to the drawing area where the drawing pattern is formed is controlled by the control unit 6. The irradiation time is determined for each unit section of the subdivided drawing area.

  Further, the control unit 6 controls the magnitude of the output of the light beam emitted from the light source 4 to the drawing area where the drawing pattern is formed. The magnitude of the light output is determined for each unit section of the drawing area.

  Optimal control can be realized for each subdivided unit section by combining the control conditions of the light irradiation time and the light output size.

  Further, as described above, when the control is performed for each unit section, it is necessary to make the control unit 6 recognize the drawing pattern. Therefore, the nail forming apparatus 2 is preferably provided with a communication unit 19 for obtaining a drawing pattern from the outside. As the communication unit 19, a wired communication unit such as a USB or a wireless communication unit such as a wireless LAN or Bluetooth (registered trademark) can be used. In the present embodiment, a wireless LAN is used as the communication unit 19.

  The drawing pattern is transferred to the control unit 6 using a wireless LAN that is the communication unit 19, for example, a drawing pattern selected in advance using a smartphone or a personal computer. By inputting a drawing pattern to the nail forming apparatus 2 from the outside, the latest design can be easily captured even if the design is frequently updated. Therefore, a drawing pattern can be selected from many designs. In some cases, it is possible to form a community while connecting users.

<Details of the configuration of the nail molding apparatus 2>
The nail forming apparatus 2 preferably has a positioning portion 20 that determines the position of the nail 1 to be drawn. In the present embodiment, a guide for restricting the insertion amount of a finger and fixing the position of the nail 1 by contacting the tip of the nail 1 is described. What is necessary is just to achieve the objective which fixes the position of the nail | claw 1, and it is not restricted to the said method. By providing the positioning unit 20, the position of the nail 1 can be fixed, so that fine drawing can be performed.

  The surface of the nail | claw 1 is a convex curve shape, as shown in FIG. Therefore, the irradiation distance from the reflection mirror 7 is different between the end 1a and the center 1b of the claw 1. However, in the nail molding apparatus 2, the light source 4 is a semiconductor laser having a high linearity of irradiation light, and the nail 1 is irradiated with the high linearity light beam via the reflection mirror 7. A variation in the beam spot diameter caused by a difference in distance from the light source 4 is small, and a deterioration in drawing accuracy on the curved surface is suppressed. For this reason, more precise drawing is possible.

  Further, since the incident angle θ1 of the light beam with respect to the tangent plane 1c of the end 1a of the curved nail 1 is smaller than the incident angle θ2 of the tangential plane 1d of the central portion 1b of the nail, the irradiation area of the light beam is more in the end 1a. It becomes larger than the central portion 1b. Therefore, the light receiving amount per unit area with respect to the light beam is smaller in the end portion 1a than in the central portion 1b. Therefore, it is preferable that the light beam output to the end portion 1 a of the claw 1 is stronger than the light beam output to the central portion 1 b of the claw 1. In addition to the method of adjusting by the intensity of the light beam to be output, adjustment can also be made by making the irradiation time of the light beam to the end 1a of the claw 1 longer than the irradiation time of the light beam to the central portion 1b of the claw 1.

  The adjustment of the irradiation time can be controlled by adjusting the displacement speed of the reflection angle of the reflection mirror 7. However, precise control of the reflection angle is difficult. Therefore, as a method for controlling the irradiation time without controlling the reflection angle, there is light emission control of the light source. In the light control, the number of times the light source is turned on within a time during which the light beam scans per unit area is controlled. If a semiconductor laser is used, the number of lighting operations can be controlled by controlling a clock signal for controlling the emission of the semiconductor laser. By using a semiconductor laser as the light source, the irradiation time can be easily adjusted.

  In the above-described nail forming apparatus 2, the case where a semiconductor laser having high light rectilinearity is used as the light source 4 has been described. However, an ultraviolet lamp or a semiconductor light emitting element having a high emission light divergence may be used as the light source 4. . When an ultraviolet lamp or a semiconductor light emitting element is used, the light straightness of the emitted light can be obtained by interposing a collimator lens (not shown) between the light source 4 and the reflection mirror 7. If the straightness of the emitted light can be obtained, the same effect as that obtained when a semiconductor laser is used can be obtained.

  Further, instead of using the scanning type reflection mirror 7 as described above as the drawing means, a projection device such as a digital mirror device or a liquid crystal device may be used as the scanning means.

  Further, if the storage unit 21 is provided in the control unit 6 and a typical drawing pattern is stored in the storage unit 21 in advance, drawing can be performed based on the held drawing pattern. If the storage unit 21 is provided in the control unit 6, a drawing pattern can be selected without using the communication unit 19, and the transfer time of the drawing pattern can be shortened.

  Further, in order to determine a control condition for the curved shape of the nail 1, the nail forming apparatus 2 further includes a nail detection unit 22 that detects the three-dimensional shape of the nail 1, and a first detection that is detected by the nail detection unit 22. The control unit 6 controls at least one of the light source 4 and the reflection mirror 7 according to the information.

  Feedback control is possible by inputting information (first information) detected by the nail detection unit 22 to the control unit 6 as needed. Therefore, correction control of the reflection angle of the reflection mirror 7 and the irradiation timing of the light source 4 can be performed in the nail forming apparatus 2. As the nail detection unit 22, various methods such as an image using a camera or an optical method such as light reflection can be used. By performing feedback control using the nail detection unit 22, accurate drawing can be performed even when the drawing target nail 1 moves.

  Further, the nail forming apparatus 2 further includes a light source output measuring unit 23 that measures the output magnitude of the light beam emitted from the light source 4, and the control unit 6 according to second information measured by the light source output measuring unit 23. Controls at least one of the light source 4 and the reflecting mirror 7.

  By performing feedback control on the information (second information) measured by the light source output measuring unit 23, the nail forming apparatus 2 can perform drawing with higher accuracy.

  An example of the light source output measuring unit 23 can be configured by a beam splitter 23a and a light receiving element 23b provided in the optical path.

<Nail molding method>
A nail molding method using the nail molding apparatus 2 described above will be described with reference to FIG.

  First, the user applies a photocurable resin 3 as a nail material to the surface of his nails 1 to which nail art is applied (resin application step S1). In this resin application step, it is not necessary to form a drawing pattern with the photocurable resin 3, and it is only necessary to apply to the entire nail.

  Next, a drawing pattern is selected, and the light irradiation position and irradiation time are controlled by the control unit 6 according to feedback information such as the drawing pattern, the three-dimensional shape of the nail 1 and the output size, and the photocuring of the drawing region 3a is performed. The curing resin is partially cured (curing step S2). In this curing step, the nail forming apparatus 2 described with reference to FIG. 1 is used, and the control unit 6 controls at least one of the light source 4 and the reflection mirror 7 according to the density of the drawing pattern. Since the control of the irradiation time of the nail forming apparatus 2 and the magnitude of the light output is the same as described above, the description thereof is omitted here.

  Next, the photocurable resin 3 in the uncured region 3b that has not been irradiated with the light beam and has not been cured is removed (removal step S3). Thus, a desired drawing pattern can be formed through a series of flow of resin application step S1, hardening step S2, and removal step S3.

  Further, if the above-described resin application step S1, curing step S2, and removal step S3 are repeated, a three-dimensional drawing pattern having a laminated structure can be formed. Moreover, it is possible to form various drawing patterns by using gel nails having different colors for each layer.

  Since the curing wavelength varies depending on the type of the photocurable resin 3, it is preferable to have a plurality of light sources 4 having different wavelengths as the light source 4. When the light source 4 is controlled by the control unit 6, it is preferable that the control conditions differ according to the different wave shapes.

  Further, in the above-described embodiment, an example in which nail art is applied to the surface of the nail 1 has been described, but the same applies even if nail art is applied to an artificial nail by the nail molding apparatus 2 of the present embodiment. The effect is obtained.

  In the present embodiment, an example in which the user applies nail art to the user's own nail 1 using the nail forming apparatus 2 is described. However, the nail forming apparatus 2 is installed in the nail salon, and the practitioner performs the present operation. The form of the nail forming apparatus 2 may be used. When the practitioner uses the nail forming apparatus 2 of the present embodiment, variations in drawing accuracy due to skills dependent on the practitioner can be prevented, and the treatment time can be shortened.

  The nail molding apparatus of the present invention can easily form a drawing pattern on a nail or an artificial nail. This is particularly effective when the user forms a drawing pattern on the user's own nails.

DESCRIPTION OF SYMBOLS 1 Claw 2 Nail shaping | molding apparatus 3 Photocurable resin 3a Drawing area | region 3b Uncured area | region 4 Light source 5 Optical drawing part 6 Control part 7 Reflection mirror 8 Actuator 9 Support frame 10 Movable frame 11 Movable part 12 Mirror part 13 1st rotation Axis 14 First vibration part 15 Second rotation axis 16 Second vibration part 19 Communication part 20 Positioning part 21 Storage part 22 Nail detection part 23 Light source output measurement part 23a Beam splitter 23b Light receiving element

The adjustment of the irradiation time can be controlled by adjusting the displacement speed of the reflection angle of the reflection mirror 7. However, precise control of the reflection angle is difficult. Therefore, as a method for controlling the irradiation time without controlling the reflection angle, there is light emission control of the light source. In the light emission control, the number of times the light source is turned on within a time during which the light beam scans per unit area is controlled. If a semiconductor laser is used, the number of lighting operations can be controlled by controlling a clock signal for controlling the emission of the semiconductor laser. By using a semiconductor laser as the light source, the irradiation time can be easily adjusted.

Claims (12)

A nail molding device for forming a drawing pattern using a photocurable resin on the surface of a nail or an artificial nail,
A light source;
A light drawing section for partially curing the photocurable resin using light emitted from the light source;
A control unit for controlling the light source and the light drawing unit;
A nail molding apparatus comprising: The nail forming apparatus according to claim 1, wherein the control unit controls the light source and the light drawing unit according to the density of the drawing pattern. The irradiation time of the light beam emitted from the light source to the drawing area where the drawing pattern is formed is controlled by the control unit,
The nail forming apparatus according to claim 2, wherein the irradiation time is determined for each unit section of the drawing area. The magnitude of the output of the light beam emitted from the light source to the drawing area where the drawing pattern is formed is controlled by the control unit,
The nail forming apparatus according to claim 2, wherein the magnitude of the output of the light beam is determined for each unit section of the drawing area. A nail detector for detecting the three-dimensional shape of the nail or artificial nail;
The nail forming apparatus according to claim 2, wherein the control unit controls at least one of the light source and the reflection mirror in accordance with first information detected by the nail detection unit. A light source output measuring unit for measuring the magnitude of the output of the light source;
The nail forming apparatus according to claim 5, wherein the control unit controls at least one of the light source and the reflection mirror in accordance with second information measured by the light source output measurement unit. The nail molding apparatus according to claim 1, wherein the light source includes a plurality of light sources having different wavelengths. The light source comprises a semiconductor laser;
The nail forming apparatus according to claim 1, wherein the light drawing unit is configured by a reflection mirror. A nail molding method for forming a drawing pattern using a photocurable resin on the surface of a nail or an artificial nail,
A resin application step of applying the photocurable resin to the surface of the nail or the artificial nail;
A curing step of partially curing the photocurable resin;
A removing step of removing an uncured portion of the photocurable resin;
With
In the curing step,
A light source;
A light drawing section for partially curing the photocurable resin using light emitted from the light source;
A control unit for controlling the light source and the light drawing unit;
A nail molding method, wherein the photocurable resin is partially cured using a nail molding apparatus having the following: The nail forming method according to claim 9, wherein the control unit controls the light source and the light drawing unit according to the density of the drawing pattern. The irradiation time of the light beam emitted from the light source to the drawing area where the drawing pattern is formed is controlled by the control unit,
The nail forming method according to claim 10, wherein the irradiation time is determined for each unit section of the drawing region. The magnitude of the output of the light beam emitted from the light source to the drawing area where the drawing pattern is formed is controlled by the control unit,
The nail forming method according to claim 10, wherein the magnitude of the light output is determined for each unit section of the drawing area.

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