KR101765688B1 - Assembly type sculptures printed by 3d-printer - Google Patents

Abstract

The present invention relates to an assembly type sculpture printed by a three-dimensional printer and a manufacturing method thereof, and more specifically, to an assembly type sculpture which can be assembled firmly and stably without using an adhesive, and a manufacturing method of the assembly type sculpture. The assembly type sculpture printed by the three-dimensional printer of the present invention comprises: a pillar of which one end is in contact with the bottom such that the pillar is supported to the bottom, and of which a cross-sectional area gradually decreases toward an upper part; and sculpture blocks which have a coupling hole formed therein such that the pillar is penetrated through the coupling hole, and which are stacked in a state that the pillar is penetrated through at least two of the sculpture blocks, wherein an inner surface of the coupling hole is in contact with an outer surface of the pillar, and an area of the coupling hole gradually increases toward an upper part. Further, the manufacturing method of the present invention comprises: a scanning step of converting shape of a specific sculpture into an image; a model acquisition step of analyzing the image to derive three-dimensional shape information; a coupling hole setting step of setting a coupling hole which is vertically penetrated through a shape formed by the three-dimensional shape information, and of which an area gradually increases from an upper part toward a lower part; a lateral division step of setting a boundary of the three-dimensional shape information having the coupling hole set in a lateral direction to divide the sculpture into a plurality of the sculpture blocks; a printing step of printing the respective sculpture blocks and pillar; and an assembling step of fixing one end of the pillar with a large diameter to the bottom and stacking the respective sculpture blocks on the pillar such that the pillar is penetrated through the sculpture blocks, thereby assembling the sculpture blocks with the pillar.

Description

ASSEMBLY TYPE SCULPTURES PRINTED BY 3D-PRINTER "

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prefabricated molding output using a three-dimensional printer and a method of manufacturing the prefabricated molding, and more particularly, to a prefabricated molding that can be firmly and stably assembled without using an adhesive and a method of manufacturing the same.

Generally, the production of models with specific shapes is widely used in a wide range of fields.

Such as a character product having a three-dimensional shape, a small-sized model produced by replicating the appearance of a famous building or a relic, and the like, and the modeling industry and technology have recently been developed with the development of three- Leading to the expansion of the market that needs it.

In the case of simple models or sculptures, simple output can be produced through simple molding or three-dimensional printers. However, in the case of sculptures or models having complicated structures and shapes, a method of dividing and producing each area is widely used.

The final appearance is determined by independently preparing a plurality of divided regions according to processing and output convenience, and combining the divided regions with each other.

In this case, a method of applying an adhesive to the bonding surfaces and bonding them to each other in the divided areas, a method of forming the bonding grooves and the coupling protrusions on the bonding surfaces to bond them in a forced fit manner, and the like are mainly utilized.

However, it has a disadvantage in that it can not be disassembled when the assembly of the molding is completed through the adhesive, and the joining method such as the interference fit method is inconvenient in assembly or difficult to precisely fit It also had the disadvantage of being frequent.

Particularly, in the case of outputting a molding product using a three-dimensional printer, as shown in FIG. 1, in order to output a horizontally extending region, a layer 3, which is sprayed through the nozzle 1 and is stacked, And the supporter 5 for supporting the supporter 5 is required. The supporter 5 has a problem in that the quality of the surface is lowered in the process of being removed after the output.

Therefore, a method for solving such problems is required.

Disclosure of the Invention The present invention has been made in order to solve the problems of the prior art described above, and it is an object of the present invention to provide an image forming apparatus capable of assembling parts of a sculpture divided and output through a three- And a method of manufacturing the same, which is capable of obtaining a neat result of the appearance of the molded objects.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to accomplish the above object, the prefabricated model outputted by the three-dimensional printer according to the present invention is characterized in that a preform having a first end supported by the bottom and a second end formed with a long length is formed, And the inner side surface of the engaging hole is in contact with the outer surface of the support.

Or a shaping block in which at least two ends of the forming block are stacked and piled up in a strut, wherein the connecting block is formed by a supporting block having one end supported in contact with the floor and having a reduced cross- The outer surface of the stalk is in contact with the outer surface of the stalk.

The post is formed in a polygonal shape in cross section, and the joint is formed in the same polygonal shape as the cross section of the post.

Alternatively, the molding block is formed by joining at least two block pieces, each block piece is provided with a through-hole formed therethrough, and a straight fastening bar is inserted and coupled to the fastening hole.

The fastener is formed in a polygonal shape having a circular or odd number of corners.

Alternatively, the block may include an upper fastening hole formed to penetrate the upper portion in the horizontal direction and an upper fastening hole intersecting with the upper fastening hole, and a lower fastening hole formed to penetrate the lower portion in a longitudinal direction, And a straight lower connecting bar inserted into the upper fastening bar and the lower fastening hole.

The upper fastening bar and the lower fastening bar are respectively inserted into the upper fastening hole and the lower fastening hole so as to form a lattice shape, and the upper fastening bar or the lower fastening bar is formed with a cross groove at the intersection point, The bar and the lower fastening bar intersect.

Alternatively, the molding block may be formed by combining at least two block pieces, each block piece having a step protruded upwardly or downwardly, and the stepped parts being constrained by the fastening frame having an opening at the center thereof.

At least one molding block includes a fixing bar which is inserted through fixtures and fixtures passing through in the transverse direction, and one end of which is inserted into the column to constrain the upward movement of the molding block.

According to another aspect of the present invention, there is provided a method of manufacturing a prefabricated sculpture, including: a step of converting a shape of a specific sculpture into an image; a model acquiring step of analyzing an image to derive three- A step of setting a joining hole through which the shape of the joining structure is vertically passed and the width of the joining hole is increased from the upper part to the lower part; An output step of outputting each shaping block and a strut, and an assembling step of fixing one end of the strut having a large diameter to the floor and laminating the respective shaping blocks so as to penetrate the strut.

The horizontal division step includes a molding block dividing step of dividing each molding block into blocks each having a block or fastener having a step, and the outputting step includes a step of dividing the molding block into blocks, And a shaping block assembling step of assembling the shaping block by outputting a clamping frame for constraining the step.

In order to solve the above-described problems, the prefabricated model and the method of manufacturing the same, which are outputted to the three-dimensional printer of the present invention, have the following effects.

First, since the supporter is not required in the process of outputting through the three-dimensional printing, it is possible to obtain a neat output result.

Second, it is possible to obtain a stable and stable bonding quality by joining the plastic blocks divided into the wide and narrow upper part of the column, and assembling the plastic block at the upper part of the column, so that the assembly and disassembly are simple and quick .

Third, there is an effect that the assembly can be performed without using an adhesive, so that the molding can be disassembled and reassembled.

Fourth, since the molding block is divided into a plurality of block pieces and the block pieces are coupled through a fastening bar in a lattice shape, a more rigid coupling relation can be maintained, and the fastening bar can be easily inserted and removed.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is an exemplary view showing a state in which layers of a three-dimensional printer are stacked and a supporter.
2 is a perspective view of a prefabricated molding outputted to a three-dimensional printer according to an embodiment of the present invention.
3 is an exploded perspective view of a prefabricated molding outputted to a three-dimensional printer according to an embodiment of the present invention.
4 is a cross-sectional view of a prefabricated molding outputted to a three-dimensional printer according to an embodiment of the present invention.
5 is a perspective view illustrating a block and a fastening bar of a prefabricated molding outputted to a three-dimensional printer according to an embodiment of the present invention.
FIG. 6 is a perspective view illustrating a state in which a block piece of a prefabricated model outputted by a three-dimensional printer according to an embodiment of the present invention is tightly fastened to form a shaping block.
FIG. 7 is a perspective view illustrating a state in which a block piece of a prefabricated molding outputted to a three-dimensional printer according to an embodiment of the present invention is fastened to a fastening frame. FIG.
FIG. 8 is a cross-sectional view and a partial perspective view showing a state where a fixing bar of a prefabricated molding outputted by a three-dimensional printer according to an embodiment of the present invention is provided.
FIG. 9 is a perspective view illustrating a preformed preform, which is output to a three-dimensional printer according to an embodiment of the present invention, by combining a plurality of struts to form one preform.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

The prefabricated sculpture outputted to the three-dimensional printer according to the present invention can be implemented as follows.

FIG. 2 is a perspective view of a prefabricated artifact outputted to a three-dimensional printer according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of a prefabricated artifact output to a three-dimensional printer according to an embodiment of the present invention, Sectional view of a prefabricated molding output to a three-dimensional printer according to an embodiment.

2 to 4, the prefabricated sculpture output to the three-dimensional printer according to the embodiment of the present invention includes a strut 100 having one end supported in contact with the floor and the other end formed to be long, The coupling block 220 includes a molding block 200 in which at least two of the pillars 220 are formed so as to pass through the pillars 100 and the coupling hole 220 is in contact with the outer surface of the pillars 100 .

Alternatively, a strut 100 having one end supported in contact with the floor and having a reduced cross sectional area is formed, and a coupling hole 220 through which the strut 100 penetrates is formed, and at least two or more strands are passed through the strut 100, The coupling block 220 may be formed such that its inner surface is in contact with the outer surface of the support 100 and its width decreases toward the upper portion.

Each of the above-described configurations will be described in detail below.

The prefabricated molding 10 output to the three-dimensional printer according to the present invention can be applied to various shapes or models.

Hereinafter, the molding 10 will be described as a stone tower structure according to an embodiment of the present invention.

One end of the strut 100 is supported in contact with the bottom surface and the other end is formed to extend upward, and the width of the lower end portion is wide and the width of the cross-sectional surface gradually decreases toward the upper end portion.

In addition, the pillars 100 may be formed in a polygonal shape in cross section, and in a rectangular shape as shown in FIG. 3 in an embodiment of the present invention.

In detail, the shape of the cross section may be formed in a quadrangular shape, and the area of the quadrangular pyramid may gradually decrease from the lower part to the upper part.

The molding block 200 divides the outer shape of the molding 10 into a plurality of portions according to its external features and divides the molding 10 into a shape that is easy to output through the three- Respectively.

3 and 4, it is preferable to divide the molding 10 into a plurality of molding blocks 200, and it is preferable that the molding blocks 10 are partitioned in the lateral direction, Is provided with a coupling hole 220 penetrating the center portion in the up and down direction.

The coupling hole 220 is formed in a polygon corresponding to the shape of the transverse section of the support 100 and is configured such that the area of the coupling hole 220 decreases from the lower portion of the molding 10 to the upper portion thereof.

4, in a state where the molding blocks 200 are stacked from the lower end of the molding 10 to be combined with the pillars 100 and the molding blocks 200 are stacked to form the molding 10, The width of the coupling member 220 decreases from the upper end to the upper end.

The cross section of the support 100 described above gradually decreases as the top portion moves upward and the area of the coupling hole 220 formed by opening the center portion of the molding block 200 decreases as the top portion thereof is made to correspond to each other.

This is because when one of the forming blocks 100 is joined to the supporting block 100 from the upper side of the supporting block in a state where one end of the supporting block 100 is in contact with the ground, There is an effect that the stacking order is prevented from being mixed or misjudged and that the molding 100 is structured stably by the pillars 100 that are stably and broadly formed toward the bottom.

In the case where the molding 10 is a rotating body around the support 100, the support 100 may have a circular cross-section, and the support 100 may be conical.

FIG. 5 is a perspective view showing a block and a fastening bar of a prefabricated molding outputted to a three-dimensional printer according to an embodiment of the present invention. FIG. 6 is a perspective view of a block- FIG. 7 is a perspective view illustrating a state in which a block piece of a prefabricated model outputted by a three-dimensional printer according to an embodiment of the present invention is fastened to a fastening frame. FIG.

5 to 7, the molding block 200 of the prefabricated molding outputted to the three-dimensional printer according to the embodiment of the present invention may be formed by combining a plurality of block pieces 210.

The block piece 210 is a part of a molding block 200 divided into at least two molding blocks 200 and a plurality of block pieces 210 are coupled to each other to form one molding block 200 .

As shown in FIGS. 5 and 6, the block piece 210 may be coupled through a plurality of fastening bars 214.

In an embodiment of the present invention, four block pieces 210 form one molding block 200, each block piece 210 has an upper fastener 212b formed by passing the upper part in a transverse direction, And a lower fastening hole 212a which is formed to penetrate in the transverse direction and cross the upper fastening hole 212b.

The upper fastener 212b and the lower fastener 212a may intersect at right angles to each other, which is illustrative and may be implemented to cross at various angles according to the embodiment to which the present invention is applied.

The upper fastener 212b and the lower fastener 212a are formed so as to communicate between the block pieces 210 adjacent to each other at the time of engagement.

A fastening bar 214, which is elongated in the longitudinal direction, is inserted into the upper fastening hole 212b and the lower fastening hole 212a, respectively.

The upper fastening bar 214b is inserted into the upper fastening hole 212b and the lower fastening bar 214b is inserted into the lower fastening hole 212a. The bars 214a intersect in a lattice shape, specifically a well-like shape.

At this time, an intersecting groove 215 formed to be concave and recessed at a position intersecting the lower fastening bar 214a at the lower end of the upper fastening bar 214b may be provided, or an upper fastening bar 214a may be formed at the upper end of the lower fastening bar 214a. 214b at the intersecting point of the intersecting grooves 215. As shown in FIG.

The intersecting grooves 215 can interfere with each other at a point where the upper fastening bar 214b and the lower fastening bar 214a intersect with each other in a lattice form,

In order to allow the upper fastening bar 214b and the lower fastening bar 214a to overlap with each other through the cross groove 215, the upper fastening hole 212b and the lower fastening hole 214b, The spaces between the upper and lower fixing bars 214a and 214b are formed to communicate with each other at positions where the upper and lower fixing bars 214b and 214a intersect.

The shape of the upper fastening tool 212b and the lower fastening tool 212a may be a polygonal shape having a circular or odd number of corners.

This is because the supporter 5 must be disposed in order to output a shape that horizontally extends laterally as shown in Fig. 1 due to the characteristics of the block piece 210 output using the three-dimensional printer. Thus, in the embodiment of the present invention, In order to obtain an output product having a smooth outline without arranging a plurality of light emitting elements.

Alternatively, a polygon having various numbers of sides including a rectangle may be formed. However, when outputting through the three-dimensional printer, the upper portion of the upper fastener 212b and the lower portion of the lower fastener 212a should be configured such that corner portions are arranged in a polygonal cross- will be.

Sectional shapes of the upper fastening bar 214b and the lower fastening bar 214a are formed to correspond to the shapes of the upper fastening hole 212b and the lower fastening hole 212a.

The block piece 210 can be engaged by the fastening frame 218. [

2 and 7, each block piece 210 is formed with a step 216 protruding upwardly or downwardly, and the step 216 is constrained by a fastening frame 218 whose center portion is opened .

The steps 216 provided in the plurality of block pieces 210 are constrained by the fastening frame 218 and fastened to form one molding block 200.

FIG. 8 is a cross-sectional view and a partial perspective view showing a state where a fixing bar of a prefabricated molding outputted by a three-dimensional printer according to an embodiment of the present invention is provided.

8, the prefabricated molding outputted to the three-dimensional printer according to an embodiment of the present invention includes a molding block 200 and a fixture 232 passing through the pillars 100, A fixing bar 230 for fixing the molding block 200 to the support 100 may be provided.

The sectional shape of the fixing bar 230 inserted into the fixing member 232 and the fixing member 232 is the same as that of the upper fixing member 212b and the lower fixing member 212a and the upper fixing bar 214b and the lower fixing bar 214a, .

The fixture 232 and the fixing bar 230 are formed such that the shape of the strut 100 is wide at the lower end and becomes narrower toward the upper end so that the molding block 200 coupled to the strut 100 is separated upward, The molding block 200 located on the upper part of the molding 10 is fixed to the pillars 100 in order to prevent it from being disassembled.

FIG. 9 is a perspective view illustrating a preformed preform, which is output to a three-dimensional printer according to an embodiment of the present invention, by combining a plurality of struts to form one preform.

9, the prefabricated sculpture outputted to the three-dimensional printer according to the embodiment of the present invention is not limited to the sculpture 10 constituted by one strut 100, but may be arranged within one sculpture 10 A plurality of columns 100 may be provided and the forming block 200 may be combined with each column 100 as described above.

A method of fabricating the prefabricated sculpture output to the three-dimensional printer according to an embodiment of the present invention will be described based on the above-described structure.

A method for producing a prefabricated sculpture reproduced based on a shape of a specific sculpture, comprising the steps of: acquiring a shape of a specific sculpture as image information and converting the shape of the specific sculpture into an image; acquiring a model for analyzing a shape image of a specific sculpture to derive three- A coupling hole setting step of setting a coupling hole 220 through which the shape derived through the model acquiring step penetrates up and down and whose width increases from the upper part to the lower part; A horizontal dividing step of dividing the forming block 200 into a plurality of shaping blocks 200 by dividing the forming block 200 into a shape easy to output through a plurality of shaping blocks 200, The output stage and the struts 100 are fixed to the floor and the struts 100 are penetrated into the coupling parts 220 of the respective output molding blocks 200 Laminated assembly comprises a coupling.

The horizontal division step further includes a shaping block dividing step of dividing the shape of each shaping block 200 into block pieces 210 having block pieces 210 or fasteners 212 having steps 216 At this time, in the outputting step, the fastening bar 214 having the shape corresponding to the block piece 210, the fastener 212, and the fastening frame 218 for restricting the step 216 are output through the three-dimensional printer, And a molding block assembly step of assembling the molding block 200 by combining the block pieces 210 of the molding block 200 using the fastening bar 214 or the fastening frame 218. [

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

1: Nozzle
3: Layer
5: Supporters
10: Sculpture
100: holding
200: shaping block 210: block
212: fastener 214: fastening bar
215: intersecting groove 216: step
218: fastening frame 220:
230: fixed bar 232: fastener

Claims (3)

A support having one end supported in contact with the floor and the other end formed in a long length; And
And a molding block having a coupling hole through which the struts are inserted and at least two or more of which are passed through the struts to be stacked,
Wherein the engaging portion has an inner surface abutting the outer surface of the support,
Wherein at least one of the shaping blocks comprises:
A fastener passing through in the transverse direction; And
A stationary bar coupled through the fixture and having one end inserted into the strut to constrain vertical movement of the molding block;
≪ / RTI >
The method according to claim 1,
Wherein a cross-sectional area of the strut decreases toward an upper portion thereof, and an area of the opening portion decreases as the engaging portion increases toward an upper portion.
The method according to claim 1,
Wherein the support is formed in a polygonal shape in cross section and the coupling hole is formed in the same polygonal shape as the cross section of the support.

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