Apparatus for manufacturing a three-dimensional mesh structure and method for manufacturing a three-dimensional mesh structure

Abstract

The present invention provides a manufacturing apparatus and method for three-dimensional mesh structures that have a simple structure and can efficiently manufacture even complex shapes. [Solution] The manufacturing apparatus 1 for a three-dimensional mesh structure comprises a nozzle 3 having multiple extrusion holes 31 for extruding molten thermoplastic resin downward as a linear assembly 40 consisting of multiple linear strands 41; a water tank 5 positioned below the nozzle 3 for cooling the linear assembly 40; a pair of take-up machines 6a, 6b for transporting the linear assembly 40 underwater in the water tank 5; and molded sheets 8a, 8b attached to the pair of take-up machines 6a, 6b, each having three-dimensional molded parts 81a, 81b on its surface.

Claims

1. A nozzle having multiple extrusion holes, which extrudes and lowers a molten thermoplastic resin as a linear assembly consisting of multiple lines, A water tank is located below the nozzle and cools the linear assembly, A pair of take-up machines for transporting the wire assembly in the water in the aforementioned tank, A molded sheet having a three-dimensional molded portion on its surface, which is attached to at least one of the pair of take-up machines, A manufacturing apparatus for three-dimensional mesh structures.

2. The molded sheet is endless. Apparatus for manufacturing a three-dimensional mesh structure according to claim 1.

3. The aforementioned pull-up machine is an endless member in which multiple horizontally elongated plate materials are connected vertically, The molded sheet is attached to the plate material by an attachment member. Apparatus for manufacturing a three-dimensional mesh structure according to claim 1.

4. The molded sheet is made of an extensible material. Apparatus for manufacturing a three-dimensional mesh structure according to claim 2 or 3.

5. The aforementioned molded sheet is An endless sheet body, The molded sheet has, in the circumferential direction, a protrusion that projects from the sheet body in the thickness direction, and a bottom portion that is lower in height than the top of the protrusion. Apparatus for manufacturing a three-dimensional mesh structure according to claim 2.

6. The molded sheet has a plurality of water-conducting holes formed therein. Apparatus for manufacturing a three-dimensional mesh structure according to claim 1.

7. The molding section has a first molding section and a second molding section. The first molding section forms a first side surface parallel to the extrusion direction of the linear assembly, The second molding section forms a second surface that is parallel to the extrusion direction of the linear assembly and perpendicular to the first surface. Apparatus for manufacturing a three-dimensional mesh structure according to claim 1.

8. A mounting step involves attaching a molded sheet having a three-dimensional molded portion on its surface to at least one of a pair of take-up machines, An extrusion process in which heated and molten thermoplastic resin is extruded from a nozzle having multiple extrusion holes as a linear assembly consisting of multiple lines, The molding process involves using the pair of take-up machines to bring the linear assembly before solidification into contact with the molding sheet and molding it while transporting the linear assembly in a water tank for cooling and solidification, A method for manufacturing a three-dimensional mesh structure.

9. In the molding process, the molded sheet is used to form a protrusion on the surface of the linear assembly that protrudes in the thickness direction and a bottom portion that is lower in height than the top of the protrusion. A method for manufacturing a three-dimensional mesh structure according to claim 8.

10. In the molding process, the molded sheet is used to form the thick and thin portions of the linear assembly. A method for manufacturing a three-dimensional mesh structure according to claim 8.

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