JP2014092778A - Color variation display body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a color variation display body capable of obtaining decorativeness higher than ever.SOLUTION: A stereo molded article 4 that allows the color at the tip to be changed comprises: a screw aggregate 3 having a plurality of erected screws 31; and lens members 312 disposed on the tip side of the respective screws 31. Each of the plurality of screws 31 includes an engaging projection 314 engaging with a drive section 72 for rotating and driving the screw 31. Each lens member 312 penetrates a coloring member 313 having color regions that have different colors and are separated on the tip side of the screw 31 in the circumferential direction of the screw 31.

Description

  The present invention relates to a color change display body capable of changing a color seen at a tip portion.

  Solid modeling objects and solids that can change the shape by moving a plurality of pins arranged in the extending direction in the extending direction and arbitrarily changing the partial protrusion length in one direction A modeling apparatus is known. Three-dimensional objects can be used to display advertisements, designs, etc. in a three-dimensional manner so as to attract the eyes of those who do wind shopping, and to be used when blind people recognize the shape. Application to is possible. In addition, as a 3D modeling apparatus equipped with a 3D model, a device that projects an image using a pin as a screen, a device that uses the pin itself as a display element, and a device that projects an image by covering the pin with a cloth-like screen are proposed. (For example, Patent Document 1 and Patent Document 2).

JP 2008-158929 A JP 2009-098559 A

  In view of the above circumstances, an object of the present invention is to provide a device capable of obtaining a decorative property that is higher than conventional ones.

The color change display body of the present invention that solves the above object is a color change display body that can change the color seen at the tip,
A rod assembly in which a plurality of rods are erected,
A lens member provided on the tip side of each of the plurality of rods,
Each of the plurality of rod bodies is provided with an engaging portion that engages with a driving unit that rotationally drives the rod body,
The lens member may transmit color regions of different colors divided in the circumferential direction of the rod body on the tip side of the rod body.

  ADVANTAGE OF THE INVENTION According to this invention, the color change display body which can obtain the decorativeness beyond conventional can be provided.

It is a perspective view which shows notionally the three-dimensional modeling apparatus which can apply this invention. It is a front view which shows notionally the three-dimensional modeling apparatus shown in FIG. (A) is an exploded perspective view of a portion surrounded by A of the three-dimensional modeling apparatus shown in FIG. 2, and (b) is a development view of the colored member shown in (a). It is a conceptual diagram of the part enclosed by B of the three-dimensional modeling apparatus shown in FIG. (A) is a conceptual diagram of the part enclosed by C of the three-dimensional modeling apparatus shown in FIG. 2, (b) is for demonstrating the state which engages a screw and a drive part shown to (a). (C) is a conceptual diagram of the part enclosed by D of the three-dimensional modeling apparatus shown in FIG. (A) is a figure which shows the state which moved the drive part of the three-dimensional model | molding apparatus shown in FIG. 1 upwards, (b) is a screw assembly of the three-dimensional model | molding apparatus shown to (a) below. It is a figure which shows the state which it moved and the front-end | tip part of the drive part was inserted in the lower end part of the screw main body from the downward direction, (c) moves the screw of the three-dimensional modeling apparatus shown to (b) to an up-down direction. FIG. (A) is a conceptual diagram for demonstrating the movement of the drive part at the time of using one drive part, (b) is explaining the movement of the drive part at the time of using 8 drive parts. It is a conceptual diagram for doing. (A) is a conceptual diagram when the lens member is viewed with different angles with respect to the horizontal plane in a state in which the angle in the horizontal direction is made coincident with the lens member, and (b) is with respect to the lens member. FIG. 5 is a conceptual diagram when the lens member is viewed with different angles in the horizontal direction in a state where the angles with respect to the horizontal plane are matched.

  Hereinafter, a three-dimensional modeling apparatus to which the present invention can be applied will be described with reference to the drawings.

  FIG. 1 is a perspective view conceptually showing a three-dimensional modeling apparatus to which the present invention can be applied.

  As shown in FIG. 1, the three-dimensional modeling apparatus 1 includes a three-dimensional modeled object 4, a driving unit 7 corresponding to a driving unit, four frames 8, and a rectangular plate-shaped substrate 9.

  A drive unit 7 is disposed on the substrate 9, and frames 8 are erected at four corners on the substrate 9. The drive unit 7 includes a plurality of drive units 72 and can be moved in the horizontal direction on the substrate 9 by position changing means (not shown).

  The three-dimensional structure 4 includes a screw assembly 3 composed of a plurality of screws and a rectangular frame-shaped cartridge frame 5 that bundles the plurality of screws. In FIG. 1, in order to simplify the drawing, each screw constituting the screw assembly 3 is not shown, and the outline of the screw assembly 3 is shown by a one-dot chain line. The three-dimensional model 4 is arranged at predetermined height positions with the four corners of the cartridge frame 5 being detachably fixed to the upper ends of the four frames 8, respectively.

  The screw assembly 3 will be described with reference to FIG. FIG. 2 is a front view conceptually showing the three-dimensional modeling apparatus shown in FIG.

  As shown in FIG. 2, each of the plurality of screws 31 constituting the screw assembly 3 includes a screw main body 311 having a screw groove formed on the outer periphery, and an engagement provided at a lower end portion of the screw main body 311 in FIG. 2. The projection 314 has a lens member 312 provided at the upper end portion of the screw body 311 in FIG. The screw body 311 is formed in a cylindrical shape. The upper end portion of the screw body 311 corresponds to the tip portion of the screw in the protruding direction. The engagement protrusion 314 is engaged with the drive unit 72 of the drive unit 7 and corresponds to an example of the engagement unit. The engaging portion is not limited to the case where the engaging portion is provided at the lower end portion of the screw main body 311. For example, the engaging portion may be provided at a predetermined position in the extending direction of the screw 31 on the inner peripheral side of the cylindrical screw main body 311. .

  The plurality of screws 31 are arranged in such a manner that their screw grooves are meshed with each other extending in the vertical direction and are bundled by the cartridge frame 5. The plurality of screws 31 bundled by the cartridge frame 5 constitutes a screw assembly 3 whose outer shape is substantially rectangular corresponding to the shape of the cartridge frame 5. Each of the plurality of screws 31 can be independently rotated, and can be independently advanced and retracted in the vertical direction, which is the extending direction of the screws 31, by rotating. For this reason, even if one screw 31 is rotated and moved in the vertical direction, the adjacent screw 31 does not move inadvertently in the vertical direction. By independently advancing and retracting the plurality of screws 31 in the vertical direction, the partial protrusion length in the upward direction of the screw assembly 3 can be changed, and the shape of the screw assembly 3 can be changed. In this example, the upward direction corresponds to one direction.

  The upper end portion of the screw 31 provided with the lens member 312 will be described with reference to FIG. 3A is an exploded perspective view of a portion surrounded by A of the three-dimensional modeling apparatus 1 shown in FIG. 2, and FIG. 3B is a development of a colored member arranged between the screw and the lens member. FIG.

  As shown in FIG. 3A, the coloring member 313 and the lens member 312 are attached to the upper end portion of the screw 31. As shown in FIG. 3B, the coloring member 313 is formed in a circular shape in the unfolded state. The coloring member 313 shown in FIG. 3A is formed by bending the circular coloring member 313 shown in FIG. 3B, and has a circular bottom portion 3131 and a wall portion 3132 formed in a cylindrical shape. In addition, as shown in FIG. 3B, the coloring member 313 is divided into four regions with different colors in the circumferential direction, and a red region 313a with red color and a blue color with blue color. A region 313b, a green region 313c with a green color, and a yellow region 313d with a yellow color are formed. A plurality of cuts extending in the radial direction indicated by dotted lines are formed on the outer peripheral portion of the coloring member 313, and the wall portion 3132 is formed by bending the cut portion. Further, the central portion of the coloring member 313 where no cut is formed is the bottom portion 3131. For this reason, the bottom portion 3131 is divided into four regions of a red region 313a, a blue region 313b, a green region 313c, and a yellow region 313d in the circumferential direction. Further, when the coloring member 313 is bent in the state shown in FIG. 3A, the wall 3132 also has a red region 313a, a blue region 313b, a green region 313c, and a yellow region on its inner peripheral side in the circumferential direction. It is divided into four parts 313d. Note that the red region 313a may have a color other than red, and the other regions are the same. The coloring member 313 is not limited to being divided into four regions, and may be divided into two or three regions, or may be divided into five or more regions. Further, the color, the color intensity, the brightness, and the like may be continuously changed in the circumferential direction of the coloring member 313 to represent gradation.

  The lens member 312 is formed of transparent or translucent glass, resin, or the like, and includes a cylindrical lens column portion 3121 and a hemispherical hemisphere portion 3122. The lens cylindrical portion 3121 has an outer peripheral diameter that is the same as or slightly smaller than the inner peripheral diameter of the cylindrical screw body 311. The colored member 313 in a bent state is set on the upper end portion of the cylindrical screw body 311, and the lens member 312 is pushed into the screw body 311 from above the coloring member 313, so that the entire lens cylindrical portion 3121 is screw body. It fits in 311 and the hemispherical portion 3122 is exposed upward from the screw body 311. As a result, the wall portion 3132 of the coloring member 313 is sandwiched between the outer peripheral wall of the lens cylindrical portion 3121 and the inner peripheral wall of the screw body 311, and the bottom surface of the lens cylindrical portion 3121 and the bottom portion 3131 of the coloring member 313 come into contact with each other. It becomes a state.

  Next, the cartridge frame 5 will be described. As shown in FIGS. 1 and 2, the cartridge frame 5 has four horizontal bars 51 arranged on four sides of the screw assembly 3 so as to surround the screw assembly 3 whose outer shape is arranged in a rectangular shape. A connecting member 52 arranged at three corners of the four corners of the cartridge frame 5 to connect the end portions of the horizontal bar 51 and a motor arranged at the remaining one corner of the cartridge frame 5 53. In FIG. 2, the connecting member 52 is omitted to simplify the drawing.

  The horizontal bar 51 is formed in a columnar shape and is arranged in a posture in which the extending direction is substantially horizontal. A plurality of grooves extending in the extending direction of the horizontal bar 51 are formed in the outer peripheral portion of the horizontal bar 51 in the circumferential direction.

The connection part of the horizontal bar | burr material 51 is demonstrated using FIG. FIG. 4 is a conceptual diagram of a portion surrounded by B of the three-dimensional modeling apparatus 1 shown in FIG. As shown in FIG. 4, bevel gears 511 are immediately provided at both ends of the horizontal bar 51, and axial members 512 protruding in the extending direction of the horizontal bar 51 are respectively provided at the axial center portions. Is formed. The horizontal bars 51 are connected by the connecting member 52 in a state where the bevel gears 511 are immediately meshed with each other. Specifically, the connecting member 52 includes a lower connecting member 521 and an upper connecting member 522, and the lower connecting member 521 and the upper connecting member 522 are respectively formed with recesses 52 a corresponding to the shaft center member 512. The lower connecting member 521 and the upper connecting member 522 sandwich the respective shaft center members 512 and connect the horizontal bar members 51 as indicated by arrows in FIG. Note that the shaft member 512 of the horizontal bar 51 is rotatably accommodated in the respective recesses 52a of the lower connecting member 521 and the upper connecting member 522.

  In addition, as shown in FIG. 2, the shaft center member 512 formed at one end of each of the two end portions of the two horizontal bar members 51 located at the portion where the motor 53 is disposed has a gear. 512a is attached. The gear 512a meshes with the pinion gear 53a of the motor 53. By driving the motor 53, the horizontal bar 51 to which the gear 512a is attached rotates, and by rotating this horizontal bar 51, another horizontal bar 51 in which the bevel gears 511 are immediately meshed with each other. Also rotates.

  Since the plurality of screws 31 constituting the screw assembly 3 are arranged so as to mesh with each other's screw grooves, the horizontal rod material 51 of the screw 31 in a state where the screw assembly 3 is bundled with the cartridge frame 5. Each thread portion in contact with each other is substantially aligned in the horizontal direction. Therefore, each screw thread portion of the screw 31 that contacts the horizontal bar 51 is engaged with a groove at a position facing the screw assembly 3 among the plurality of grooves formed in the horizontal bar 51. The screw assembly 3 is bundled on the cartridge frame 5. Further, by driving the motor 53 and rotating the horizontal bar 51, each screw thread part of the screw 31 that contacts the horizontal bar 51 and the groove part of the horizontal bar 51 that meshes with these screw thread parts are provided. The horizontal bar 51 moves in the circumferential direction. Thereby, the screw assembly 3 can be moved in the vertical direction. Hereinafter, rotating the horizontal bar 51 so as to move the screw assembly 3 upward is sometimes referred to as normal rotation, and the horizontal bar 51 is rotated so as to move the screw assembly 3 downward. This is sometimes called reversal.

  Next, an operation for changing the state of the cartridge frame 5 from the restrained state to the opened state will be described. First, of the four horizontal bars 51, the upper connecting members 522 provided at both ends of one horizontal bar 51 are removed. Next, the horizontal bar 51 from which the upper connecting members 522 of both ends are removed is rotated so that the screw 31 of each screw 31 that contacts the horizontal bar 51 and the groove of the horizontal bar 51 are engaged. The horizontal bar 51 is lifted while being released, and the respective shaft center members 512 are pulled upward from the recesses 52 a of the lower connecting member 521. Thereby, one horizontal bar | burr material 51 can be removed and the cartridge frame 5 can be made into an open state. In this open state, the screws 31 can be removed one by one in the radial direction of the screw 31 from the portion of the cartridge frame 5 from which the horizontal bar 51 has been removed. The screw assembly 3 is moved upward by rotating the four horizontal bars 51 by the motor 53 while the cartridge frame 5 is in a restrained state, and the screw assembly 3 is removed from the cartridge frame 5 together with the screw assembly 3. You can also.

  On the other hand, when the plurality of screws 31 are bundled with the cartridge frame 5, the opened cartridge frame 5 from which one horizontal bar 51 is removed is removed from the frame 8. Next, the cartridge frame 5 is placed on a stand or the like so that the part from which the horizontal bar 51 is removed is placed on the table or the like. In this state, one screw 31 is placed inside the cartridge frame 5 so that the screw grooves are engaged with each other. Place one. When all the screws 31 have been disposed, the removed horizontal bar 51 is attached to place the cartridge frame 5 in a restrained state, whereby a plurality of screws 31 can be bundled. While the cartridge frame 5 is in a restrained state, the screw assembly 3 is inserted into the cartridge frame 5 from above, and the four horizontal bar members 51 are reversed by the motor 53 to move the screw assembly 3 downward. Then, it can be bundled with the cartridge frame 5.

As shown in FIGS. 1 and 2, the drive unit 7 includes a box-shaped main body 71, a plurality of drive units 72, and a plurality of motors 73 that are disposed in the main body 71 and rotate the plurality of drive units 72, respectively.
have. The drive unit 7 of this example includes four drive units 72 and four motors 73, and the four drive units 72 pass through the ceiling portion 711 of the main body 71.

  The driving unit 72 extends in the vertical direction, and includes a base 721 having a thread groove formed on the outer periphery and a columnar upper part 722 that is connected to the upper end of the base 721. The base 721 is formed so that the outer diameter, the inner diameter, and the pitch of the screw groove formed on the outer periphery are substantially the same as those of the screw groove formed on the outer periphery of the screw main body 311. The upper part 722 has an outer diameter that is substantially the same as the inner diameter of a screw groove formed on the outer periphery of the screw body 311, and a length in the extending direction that is substantially the same as that of the screw body 311. A top end 723 that protrudes upward is formed at the upper end of the upper portion 722.

  The distal end portion 723 will be described with reference to FIG. 5A and FIG. Fig.5 (a) is a conceptual diagram of the part enclosed by C of the three-dimensional modeling apparatus shown in FIG. FIG. 4B is a conceptual diagram for explaining a state in which the screw and the drive unit are engaged in FIG.

  As shown in FIG. 5A, the distal end portion 723 includes a cylindrical columnar portion 7231 and a conical conical portion 7232 formed at the upper end portion of the cylindrical portion 7231. The cylindrical portion 7231 has an outer diameter smaller than that of the upper portion 722, and a step portion 722 a is formed on the upper surface of the upper portion 722. Moreover, the front-end | tip part 723 is provided with the projection part 7233 which protruded upwards from the level | step-difference part 722a. By reversing the four horizontal bars 51 and moving the screw assembly 3 downward, as shown in FIG. 5 (b), at the lower end of the cylindrical screw body 311, the tip of the drive unit 72. 723 is inserted from below. The screw assembly 3 is moved downward to a position where the engagement protrusion 314 of the predetermined screw 31 overlaps the protrusion 7233 of the drive unit 72 in the horizontal direction. Further, the downward movement amount of the screw 31 is based on the base portion between the lower end of the engaging projection 314 and the stepped portion 722a of the driving portion 72 and between the upper end of the protruding portion 7233 and the lower end portion of the screw main body 311. It is set at a position having at least an interval of one pitch or more of the thread groove in 721. In this state, when a motor 73 described later is driven to rotate the drive unit 72, the projection 7233 of the drive unit 72 is engaged with the engagement projection 314 of the screw 31, and the drive unit 72 rotationally drives the screw 31. Hereinafter, a state in which the screw 31 moves downward and the distal end portion 723 of the driving unit 72 is inserted into the lower end portion of the cylindrical screw body 311 from below is sometimes referred to as an insertion state. In addition, the state in which the protrusion 7233 of the drive unit 72 is engaged with the engagement protrusion 314 of the screw 31 may be referred to as an engagement state.

  FIG.5 (c) is a conceptual diagram of the part enclosed by D of the three-dimensional modeling apparatus shown in FIG.

  As shown in FIGS. 2 and 5C, the base 721 is formed with a square hole 721a penetrating in the vertical direction in the axial center portion. As shown in FIG. 2, a flange portion 7211 is provided at the lower end portion of the base portion 721.

  The motor 73 includes a shaft 731, a flange portion 732 through which the shaft 731 passes, and a prismatic prism member 733 attached to the tip of the shaft 731 and extending in the vertical direction. The prism member 733 is inserted into the square hole 721 a of the base 721, and the drive unit 72 is connected to the motor 73. For this reason, when the prism member 733 is rotated by the motor 73, the prism member 733 rotates the drive unit 72. Further, the drive unit 72 can move up and down with respect to the prismatic member 733.

As shown in FIG. 2, a screw hole 711a is formed in the ceiling portion 711 of the main body 71, and the screw groove of the base portion 721 is engaged with the screw hole 711a, so that the vertical position of the drive unit 72 is maintained. Yes. When the drive unit 72 is rotated by the motor 73, the drive unit 72 moves in the vertical direction with the screw groove of the base 721 engaged with the screw hole 711a. Hereinafter, rotating the drive unit 72 to move upward may be referred to as normal rotation, and rotating the drive unit 72 to move downward may be referred to as reverse rotation. In addition, each screw 31 of the screw assembly 3 also moves upward independently by rotating in the same direction as the direction in which the driving unit 72 rotates forward, and is the same as the direction in which the driving unit 72 reverses. By moving in the direction, it moves independently downward.

  The upward movement of the drive unit 72 is regulated by the flange portion 7211 coming into contact with the ceiling portion 711, and the downward movement of the drive unit 72 is made by the flange portion 7211 coming into contact with the flange portion 732. Be regulated. Hereinafter, the position where the flange portion 7211 of the drive unit 72 is in contact with the flange portion 732 may be referred to as the initial position of the drive unit 72.

  Next, with reference to FIG. 6, the operation of the three-dimensional modeling apparatus 1 for changing the upward partial protrusion length of the three-dimensional model 4 will be described. 6A is a diagram illustrating a state in which the driving unit of the three-dimensional modeling apparatus illustrated in FIG. 1 is moved upward, and FIG. 6B is a screw of the three-dimensional modeling apparatus illustrated in FIG. It is a figure which shows the state which moved the aggregate | assembly downward and the front-end | tip part of the drive part was inserted from the downward direction into the lower end part of the screw main body. The figure (c) is a figure which shows the state which moved the screw of the three-dimensional modeling apparatus shown in the figure (b) to the up-down direction.

  First, the drive unit 7 with the drive unit 72 in the initial position is moved to a predetermined position on the substrate 9 by a position changing means (not shown). Next, the drive unit 72 is rotated forward by the motor 73, and as shown in FIG. 6A, the drive unit 72 is moved upward until the front end 723 is inserted into the screw 31 from the lower direction.

  Next, the four horizontal bar members 51 are reversed by the motor 53 to move the screw assembly 3 downward as shown in FIG. 6 (b). To be inserted into the screw 31 to be inserted. In this state, the drive unit 72 is rotated forward or reverse by the motor 73 again. When the drive unit 72 is rotated forward or reverse, the projection 7233 of the drive unit 72 is engaged with the engagement projection 314 of the screw 31 and the screw 31 rotates together with the drive unit 72 and the drive unit 72. Rotate in the same direction. Thus, if the drive unit 72 is rotated forward, the screw 31 also moves upward together with the drive unit 72, and if the drive unit 72 is reversed, the screw 31 also moves downward together with the drive unit 72. To do. FIG. 6C shows a state in which the screw 31 is moved downward by the drive unit 72 shown on the left side and the screw 31 is moved upward by the drive unit 72 shown on the right side. The upper portion 722 of the drive unit 72 has an outer diameter that is substantially the same as the inner diameter of the screw groove formed on the outer periphery of the screw body 311. For this reason, even if a portion where the upper portion 722 is adjacent to the adjacent screw 31 occurs like the driving portion 72 shown on the right side of FIG. 6C, the driving portion 72 is not obstructed by the adjacent screw 31. Can be moved vertically.

  When the movement of the target screw 31 is completed, the four horizontal bars 51 are rotated forward by the motor 53, and the screw assembly 3 is moved upward by the amount that the screw assembly 3 is moved downward by the motor 53 first. Move to. As a result, the engagement state between the protrusion 7233 of the drive unit 72 and the engagement protrusion 314 of the screw 31 is released, and the screw 31 does not rotate even when the drive unit 72 rotates. Next, the drive unit 72 is reversed to move the drive unit 72 downward to the initial position. After the drive unit 72 reaches the initial position, the drive unit 7 is moved to a position where the drive unit 72 can be inserted into the next target screw 31 and the screw 31 is moved to a predetermined vertical position. . By repeating the above operation, each of the plurality of screws 31 of the screw assembly 3 can be moved to a predetermined vertical position. Thereby, the partial protrusion length of the upper direction in the screw assembly 3 can be changed, and the shape of the screw assembly 3 can be changed. Moreover, since the screw 31 can be moved not only in the upward direction but also in the downward direction by the driving unit 72, the screw 31 once moved upward can be moved in the downward direction. It becomes easy to change the partial protrusion length in the upward direction a plurality of times.

  The three-dimensional model 4 with the upward partial protrusion length changed is removed from the frame 8 in a state where the screw assembly 3 is bundled with the cartridge frame 5, and the extending direction of the plurality of screws 31 is set in the vertical direction. In such a state, for example, it is arranged at the store as an exhibit. Alternatively, the three-dimensional model 4 may be installed on a display stand or the like, or the cartridge frame 5 may be removed from the three-dimensional model 4 and the screw assembly 3 may be bundled with a display frame or the like and arranged at the store. Note that the three-dimensional model 4 may be arranged in a store or the like so that the extending directions of the plurality of screws 31 are respectively horizontal or inclined.

  FIG. 7A is a conceptual diagram for explaining the movement of the drive unit when a single drive unit is used, and FIG. 7B is a drive unit when eight drive units are used. It is a conceptual diagram for demonstrating a motion of. FIGS. 6A and 6B show a state where the screw assembly 3 is viewed from below, and in order to simplify the drawing, the cartridge frame 5 is omitted and the screw assembly 3 is indicated by a one-dot chain line. The drive unit 72 is indicated by a black circle.

  As shown in FIG. 7A, when there is one drive unit 72, one drive unit 72 is moved with respect to the plurality of screws 31 in the screw assembly 3 as indicated by arrows, for example. What is necessary is just to perform the operation | movement which moves the position of the up-down direction of the screw 31 one by one. As shown in FIG. 4B, when the number of drive units 72 is eight, the plurality of screws 31 of the screw assembly 3 are divided into eight groups. For example, by moving the eight driving units 72 as shown by arrows with respect to the plurality of screws 31 divided into eight groups, the respective driving units 72 move the screws 31 in the vertical direction one by one. What is necessary is just to perform the operation | movement which moves a position. As described above, the number of the drive units 72 can be arbitrarily set, and the drive unit 72 may be one, or the drive unit 7 including the same number of drive units 72 as the number of screws 31 may be used. Good. If the drive unit 7 includes the same number of drive units 72 as the number of screws 31, the operation time is shortened and it is not necessary to move the drive unit 7 in the horizontal direction. Etc., and the cost of the three-dimensional modeling apparatus 1 is increased. For this reason, the cost of the three-dimensional modeling apparatus 1 can be suppressed by making the drive unit 7 movable in the horizontal direction and setting the number of drive units 72 to be smaller than the number of screws 31. The number of drive units 72 may be set as appropriate according to the number of screws 31 and the like.

  Next, a state in which a person visually recognizes the lens member 312 provided on the screw 31 will be described with reference to FIG.

  FIG. 8A is a conceptual diagram when the lens member is viewed with different angles with respect to the horizontal plane in a state where the angle in the horizontal direction is matched with the lens member. FIG. 4B is a conceptual diagram when the lens member is viewed with different angles in the horizontal direction in a state where the angle with respect to the horizontal plane is made coincident with the lens member.

  A person L1 shown in FIG. 8A is a person who is looking at the lens member 312 from directly above, a person L2 is a person who is looking at the lens member 312 from an angle of 45 degrees, and the person L3 is a lens. It is a person who is viewing the member 312 from an angle of 30 degrees. As shown in FIG. 8A, the focal point when the person L1 looks at the lens member 312 is the center of the lens member 312, and the central portion of the coloring member 313 shown in FIG. In addition, since the visual axis when the person L2 and the person L3 see the lens member 312 passes through the lens cylindrical portion 3121, the wall portion 3132 colored in one of the colors in the coloring member 313 is visually recognized. become.

The person L4 shown in FIG. 8B is a person who is looking at the lens member 312 from obliquely upward and from the direction of 4:30 in FIG. 8B, and the person L5 is obliquely It is a person who is looking at the lens member 312 from above and from the 6 o'clock direction in FIG. As shown in FIG. 8B, when the person L4 looks at the lens member 312, the red region 313a of the coloring member 313 is visually recognized in both the right eye and the left eye of the person L4, and the right eye and the left eye Red appears in both. When the person L5 looks at the lens member 312, the red area 313a of the coloring member 313 is visually recognized by the right eye of the person L5, and the blue area 313b of the coloring member 313 is visually recognized by the left eye of the person L5. For this reason, in the person L5, red appears in the right eye and blue appears in the left eye. In this way, the image reflected in the right eye and the image reflected in the left eye can be made different, and a stereoscopic image can be displayed.

  As described above, the plurality of screws 31 are rotated by the drive unit 72, respectively. For this reason, the direction of the direction in which the screw 31 rotates of the coloring member 313 in each of the plurality of screws 31 varies. As a result, when a person sees each lens member 312 in the plurality of screws 31 from obliquely above, the colors that are visually recognized for each lens member 312 vary, and different colors for the right eye and the left eye. Sometimes it appears. By these, the decorativeness of the three-dimensional molded item 4 can be improved.

  As described above, according to the three-dimensional modeled object and the three-dimensional modeled apparatus of this example, the shape of the three-dimensional modeled object is not inadvertently collapsed, and the three-dimensional modeled object is easily changed to another shape. be able to.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope described in the claims. For example, in this example, the rectangular cartridge frame 5 is used, but a triangular, pentagonal or more polygonal or circular cartridge frame is used, and the outer shape of the screw assembly 3 is a triangle, pentagon or more. A plurality of screws 31 may be bundled so as to be polygonal or circular. In addition, a hinge member is provided at one corner of the rectangular cartridge frame, and the corner facing the corner is made detachable, so that the hinge member serves as an axis, and the restrained state and the open state are maintained. You may use the cartridge frame which can change a state between. Furthermore, in the three-dimensional modeling apparatus 1 of this example, the three-dimensional model 4 is arranged in a posture in which each of the plurality of screws 31 extends in the vertical direction, but each of the plurality of screws 31 is in the horizontal direction or the inclined direction. You may arrange | position the three-dimensional molded item 4 to the attitude | position extended. Moreover, in the three-dimensional model | molding apparatus 1 of this example, although the position change means to change the position of the drive unit 7 is provided, the position change means to change the position of the three-dimensional molded item 4 may be provided.

  In addition, even if it is a structural requirement contained only in each description of each modification demonstrated above, you may apply the structural requirement to another modification.

  By the way, the conventional three-dimensional modeling apparatus includes a pin assembly composed of a plurality of pins arranged in a state in which the extending directions coincide with each other, an actuator for moving the plurality of pins in the extending direction, and the shape of the pin assembly. And a support portion for fixing the. The pin includes a forming portion made of a prismatic member having a square or rectangular cross section, and a support bar for supporting the forming portion. The plurality of pins are arranged in a matrix, and are arranged so that no gap is generated when the side surfaces of the forming portion are in contact with each other. The actuator controls the movement of the pin in the extending direction by contacting the end of the support rod of the pin and pushing the pin in the extending direction of the pin. Thereby, the shape of a pin assembly can change and the desired three-dimensional shape can be formed by changing arbitrarily the partial protrusion length of one direction in each pin. Further, the position of each pin in the extending direction is fixed by a braking member made of rubber, felt, or the like provided on the support portion so that the position moved by the actuator does not change.

  However, in the conventional three-dimensional modeling apparatus, when a predetermined pin is moved, an adjacent pin may move carelessly due to frictional force, and the shape of the three-dimensional model may be destroyed. In addition, once the pin is moved in the extending direction, the pin cannot be returned in the reverse direction. For this reason, after forming a three-dimensional molded item into a desired shape, it is difficult to change the three-dimensional molded item into another shape.

Therefore, it is a three-dimensional model that can change the shape by arbitrarily changing the partial protrusion length in one direction,
A screw assembly composed of a plurality of screws arranged so as to mesh with each other's screw grooves,
Each of the plurality of screws is capable of rotating independently and can be independently advanced and retracted in the extending direction of the screw by rotating, and rotationally drives the screws. A three-dimensionally shaped object characterized by being provided with an engaging portion that engages with the driving means is preferable.

  That is, the screw assembly is obtained by matching the extending direction of the plurality of screws with the one direction.

  The engagement portion may be provided on one end side of the screw.

  According to this three-dimensional modeled object, the screw assembly is arranged so as to mesh with each other, and each of the plurality of screws can rotate independently one by one. Since the screw can be moved forward and backward independently in the extending direction of the screw by rotating, when the predetermined screw is driven to rotate and moved in the extending direction, the adjacent screw moves inadvertently. There is no end. In addition, by switching the direction in which the screw is rotationally driven, the screw can be moved forward and backward in the extending direction. Even after the shape of the screw assembly is once formed, the screw assembly can be moved to other shapes. Can be easily changed.

Further, in the three-dimensional modeled object, a cartridge frame capable of changing the state between a restrained state and an open state is provided,
When the cartridge frame is in the restrained state, the plurality of screws are bundled so that the plurality of screws can rotate independently,
Each of the plurality of screws is preferably separable in the radial direction of the screws when the cartridge frame is in the open state.

  The cartridge frame may be capable of changing its state between a constrained state and an open state by attaching and detaching a part of the cartridge frame.

  By providing the cartridge frame, it is easy to bundle a plurality of screws to form a screw assembly and to separate the screw assembly into individual screws. For example, a screw assembly can be easily formed by opening the cartridge frame and arranging the cartridge frame so that the screw grooves are engaged with each other and then changing the state of the cartridge frame to a restrained state. be able to. Alternatively, a plurality of screws may be bundled so that the screw grooves are engaged with each other, and may be arranged in the opened cartridge frame. On the other hand, if the cartridge frame is opened, the screws can be separated one by one in the radial direction of the screws. Also, a large screw assembly can be formed by opening the cartridge frame, combining multiple screws taken out from this cartridge frame with other screws and bundling them with another cartridge frame. It becomes easy to correspond to the screw assembly.

Furthermore, in the present three-dimensional object, the lens member provided at the front end portion in the protruding direction of each of the plurality of screws,
It is preferable that the lens member transmit color regions of different colors that are divided in the circumferential direction of the screw at the protruding end portion of the screw.

  That is, the color area is an area of different colors divided in the radial direction of the screw.

  By providing the lens member, the color that can be seen through the lens member provided at the tip of the protruding direction of each of the plurality of screws differs depending on the direction in the rotation direction of the screw, the angle that the viewer sees, and the like. The decorativeness of the three-dimensional model is improved.

Moreover, it is a three-dimensional model | molding apparatus provided with the three-dimensional model | molding object which can change a shape by changing the partial protrusion length of one direction arbitrarily,
The three-dimensional model has a screw assembly composed of a plurality of screws arranged so as to mesh with each other's screw grooves,
Drive means for rotationally driving the screw;
Each of the plurality of screws can rotate independently of each other, and can rotate independently in the extending direction of the screw by rotating, and engages with the driving means. It is characterized in that an engaging portion is provided.

  The engagement portion may be provided on one end side of the screw.

  According to this three-dimensional modeling apparatus, the screw assembly is arranged by meshing the respective screw grooves, and each of the plurality of screws can rotate independently one by one. Since it can be independently advanced and retracted in the extending direction of the screw by rotating, the driving means is engaged with the engagement portion of the predetermined screw, and the screw is driven to rotate by the driving means, The partial protrusion length in one direction of the screw assembly can be arbitrarily changed. Further, when a predetermined screw is moved in the extending direction, the adjacent screw does not move carelessly. Furthermore, by switching the direction of rotational drive by the driving means, the screw can be moved forward and backward in the extending direction. Even if the shape of the screw assembly is once formed, the screw assembly can be It can be easily changed to shape.

Furthermore, in the three-dimensional modeling apparatus, the driving unit includes a number of driving units that are engaged with the engaging unit and are smaller than the number of the plurality of screws.
The engaging portion and the driving portion can take a separated state and an engaged state engaged with each other,
You may provide the position change means which changes the relative position of the said drive means and the said three-dimensional molded item in the orthogonal | vertical direction orthogonal to the said one direction in the said separation | spacing state.

  Since the position change means for changing the relative position of the drive means and the three-dimensional modeled object in the orthogonal direction orthogonal to one direction in the separated state is provided, the number of the drive units smaller than the number of screws is changed. A plurality of screws can be driven to rotate by changing the relative position by means.

  As described above, there is provided a three-dimensional object and a three-dimensional object modeling device that can prevent the shape of a three-dimensional object from being inadvertently collapsed and can easily change a three-dimensional object to another shape. be able to.

DESCRIPTION OF SYMBOLS 1 Three-dimensional modeling apparatus 3 Screw assembly 31 Screw 312 Lens member 313 Coloring member 314 Engagement protrusion 5 Cartridge frame 7 Drive unit 72 Drive part 7233 Projection part

Claims (1)

A color change display body that can change the color seen at the tip,
A rod assembly in which a plurality of rods are erected,
A lens member provided on the tip side of each of the plurality of rods,
Each of the plurality of rod bodies is provided with an engaging portion that engages with a driving unit that rotationally drives the rod body,
The color change display body, wherein the lens member transmits color regions of different colors divided in a circumferential direction of the rod body on a tip end side of the rod body.

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