CN-117922000-B - Curved surface 3D prints heat preservation device, curved surface 3D printing equipment

CN117922000BCN 117922000 BCN117922000 BCN 117922000BCN-117922000-B

Abstract

The invention discloses a curved surface 3D printing heat preservation device and curved surface 3D printing equipment, which belong to the technical field of additive manufacturing, wherein the device comprises a supporting air bag, a printing platform and a printing nozzle, wherein the supporting air bag is positioned above the printing platform, an opening is formed in the top end of the supporting air bag, and the printing nozzle extends into the opening to print to form a printing part; the telescopic air bag is positioned below the printing platform and has elasticity in the rotation direction of the printing platform, and the supporting air bag and the telescopic air bag are detachably connected. The invention solves the problems of large heat preservation space and difficult control of cavity temperature required by curved surface printing through the combined design of the supporting air bag and the telescopic air bag.

Inventors

Kong Kejia
LIU YAXIONG
LI JIAZHEN
PAN WENJUN
QIN LINA

Assignees

季华实验室

Dates

Publication Date: 20260505
Application Date: 20231226

Claims (5)

1. Curved surface 3D prints heat preservation device, its characterized in that is applied to curved surface 3D printing equipment, curved surface 3D printing equipment includes print platform and prints the shower nozzle, print platform is rotatable, curved surface 3D prints heat preservation device includes: The printing device comprises a printing platform, a supporting air bag, a nozzle fixing component, a temperature sensor, a printing nozzle, a printing frame, a supporting framework, a temperature sensor, a nozzle fixing component and a temperature sensor, wherein the supporting air bag is positioned above the printing platform, the top end of the supporting air bag is provided with an opening, the printing nozzle extends into the opening to print, and a printing part is formed; The telescopic air bag is positioned below the printing platform and has elasticity in the rotating direction of the printing platform, and a heating fan is arranged at the bottom of the telescopic air bag; The support air bag and the telescopic air bag are detachably connected; The curved surface 3D prints heat preservation device still includes the air supply pipeline, the air inlet setting of air supply pipeline is in the flexible gasbag, the gas outlet setting of air supply pipeline is in the support gasbag forms the pipeline circulation.
2. The curved 3D printing thermal insulation device of claim 1, wherein the detachable connection between the support balloon and the telescoping balloon comprises a zipper connection or a snap connection.
3. The curved surface 3D printing thermal insulation device according to claim 1, wherein the material of the supporting air bag is heat-resistant elastic material.
4. The curved surface 3D printing thermal insulation device according to claim 1, wherein the telescopic air bag is made of heat-resistant elastic material.
5. A curved surface 3D printing device, characterized in that the curved surface 3D printing device comprises a printing platform, a printing nozzle and a curved surface 3D printing heat preservation device according to any one of claims 1-4, wherein the printing platform is rotatable.

Description

Curved surface 3D prints heat preservation device, curved surface 3D printing equipment Technical Field The invention relates to the technical field of additive manufacturing, in particular to a curved surface 3D printing heat preservation device and curved surface 3D printing equipment. Background In the 3D printing technology, the wire material is shrunk and deformed when being cooled, if the cooling speed is not well controlled, the problems of part warpage and the like are easily caused, and even the part is scrapped. The control of the molding space temperature is thus an important influencing factor for the molding quality. Traditional planar 3D printing technology generally adopts the integral heat preservation technology of the inner cavity of the machine box. The equipment structure of the curved surface 3D printing technology increases two degrees of freedom of platform rotation, and the problem that the heat preservation space is large and the cavity temperature is not easy to control can exist by adopting the traditional integral heat preservation technology of the inner cavity of the chassis. Disclosure of Invention The invention mainly aims to provide a curved surface 3D printing heat preservation device, and aims to solve the problems that the space required to be preserved in the curved surface 3D printing process is large and the cavity temperature is not easy to control. In order to achieve the above object, the present invention provides a curved surface 3D printing thermal insulation device, which is applied to a curved surface 3D printing apparatus, wherein the curved surface 3D printing apparatus includes a printing platform and a printing nozzle, the printing platform is rotatable, and the curved surface 3D printing thermal insulation device includes: The printing device comprises a printing platform, a supporting air bag, a printing nozzle and a printing part, wherein the supporting air bag is positioned above the printing platform, an opening is formed in the top end of the supporting air bag, and the printing nozzle extends into the opening to print; a telescopic airbag located below the printing platform, the telescopic airbag having stretchability in a rotation direction of the printing platform; The support air bag is detachably connected with the telescopic air bag. Optionally, a supporting framework is arranged in the supporting air bag, and the supporting framework props up the supporting air bag so that the height of the inner wall of the supporting air bag is higher than the height of the printing part. Optionally, a nozzle fixing component is disposed at the opening, and the nozzle fixing component fixes the printing nozzle and the supporting air bag. Optionally, a temperature sensor is disposed on a side wall of the support airbag. Optionally, the detachable connection between the support balloon and the telescoping balloon comprises a zipper connection or a snap connection. Optionally, the supporting air bag is made of heat-resistant elastic material. Optionally, the material of the telescopic airbag is heat-resistant elastic material. Optionally, a heating fan is arranged at the bottom of the telescopic air bag. Optionally, the curved surface 3D printing heat preservation device further comprises an air supply pipeline, an air inlet of the air supply pipeline is arranged in the telescopic air bag, and an air outlet of the air supply pipeline is arranged in the supporting air bag to form pipeline circulation. In addition, in order to achieve the above purpose, the invention also provides a curved surface 3D printing device, the curved surface 3D printing device comprises a printing platform, a printing spray head and a curved surface 3D printing heat preservation device as described above, and the printing platform is rotatable; A supporting air bag is arranged above the printing platform, an opening is formed in the top end of the supporting air bag, and the printing spray head extends into the opening to print, so that a printing part is formed; a telescopic airbag is arranged below the printing platform, and has elasticity in the rotation direction of the printing platform; The support air bag is detachably connected with the telescopic air bag. The curved surface 3D printing heat preservation device comprises a printing platform and a printing spray head, wherein the printing platform can rotate to carry out curved surface printing, the curved surface 3D printing heat preservation device comprises a supporting air bag and a telescopic air bag which are detachably connected, the supporting air bag is arranged above the printing platform, an opening is arranged at the top end of the supporting air bag, the printing spray head stretches into the opening to print, a printing part is formed, namely, the printing spray head, the printing platform and the printing part are enclosed in a space enclosed by the supporting air bag, the space is a forming space, so that the volu