CN-121733811-B - 3D printing heat-preserving forming device for photosensitive resin material

Abstract

The invention particularly relates to a 3D printing heat-preserving forming device for photosensitive resin materials, which relates to the technical field of 3D printing equipment and comprises a printer case, a printing head arranged on the inner side of the printer case, a heat-preserving material box arranged on the top of the printer case and a detachable feeding hole arranged on the upper side of the heat-preserving material box, wherein the inner side of the heat-preserving material box is provided with a first spiral blade rod and a second spiral blade rod which synchronously rotate, the first spiral blade rod conveys left side materials in the heat-preserving material box downwards, and the second spiral blade rod conveys right side materials in the heat-preserving material box upwards, so that up-and-down circulation mixed conveying is formed.

Inventors

• CHEN DAOXUN

Assignees

• 泉州扶摇新型材料科技有限公司

Dates

Publication Date

20260508

Application Date

20260302

Claims (5)

1. 1. A3D prints heat preservation forming device for photosensitive resin material, including printer case (8), install at printer case (8) inboard print head (9), install at heat preservation material case (1) at printer case (8) top and locate heat preservation material case (1) upside detachable feed inlet (2), its characterized in that: a first spiral blade rod (31) and a second spiral blade rod (32) for mixing and stirring materials are vertically and rotatably arranged in the middle of the inner side of the heat-insulating material box (1), wherein the first spiral blade rod (31) is used for conveying left-side materials in the heat-insulating material box (1) downwards, and the second spiral blade rod (32) is used for conveying right-side materials in the heat-insulating material box (1) upwards, so that up-and-down circulation mixing and conveying are formed for the materials in the heat-insulating material box (1); The left side and the right side of the heat-insulating material box (1) are respectively and oppositely provided with a side pressure adjusting component (5), the side pressure adjusting component (5) comprises a heat-conducting push plate (53) which is transversely arranged inside the heat-insulating material box (1) in a sliding mode, one side of the heat-conducting push plate (53) is provided with a guide rod (52) penetrating out of the heat-insulating material box (1), the outer side of the heat-insulating material box (1) is provided with a telescopic push rod (51) used for pushing the heat-conducting push plate (53) to move left and right, and after the two heat-conducting push plates (53) move relatively, materials are piled up to be fully contacted with the first spiral blade rod (31) and the second spiral blade rod (32); a plurality of transverse heating vertical plates (55) are arranged on opposite sides of the heat conduction push plates (53) of the side pressure adjusting assemblies (5) in a rectangular array, longitudinal heating vertical plates (11) distributed in a rectangular array are arranged on the front inner wall and the rear inner wall of the heat insulation material box (1), the longitudinal heating vertical plates (11) and the transverse heating vertical plates (55) are distributed in a staggered mode, the longitudinal heating vertical plates (11) and the transverse heating vertical plates (55) are arranged on the peripheries of the first helical blade rods (31) and the second helical blade rods (32), and materials which are circularly mixed and conveyed up and down inside the heat insulation material box (1) are enabled to flow fast and be uniformly heated along the transverse heating vertical plates (55) and the longitudinal heating vertical plates (11); The middle parts of the peripheral plate surfaces of the heat-insulating material box (1) are provided with interval constant temperature cavities (10), so that an inner frame plate (12) and an outer frame plate (13) are formed around the heat-insulating material box (1), rod barrel cavities (33) are formed in the middle parts of a first spiral blade rod (31) and a second spiral blade rod (32), a constant temperature steam component (6) is arranged on the outer side of the heat-insulating material box (1), the constant temperature steam component (6) is used for filling steam into the interval constant temperature cavities (10) and the rod barrel cavities (33), and the first spiral blade rod (31) and the second spiral blade rod (32) are used for rotating, conveying, mixing and heating materials simultaneously; The constant temperature steam assembly (6) comprises a steam generator (61) and a steam pipe (62), wherein an outlet of the steam generator (61) is communicated with the interval constant temperature cavity (10), one side of the interval constant temperature cavity (10) is respectively communicated with the rod barrel cavity (33) through the steam pipe (62), an arc-shaped bulge (34) is integrally arranged on the inner side of the rod barrel cavity (33), the steam pipe (62) penetrates through the inner side of the rod barrel cavity (33) and is contacted with the arc-shaped bulge (34), and a gap for air outlet is formed between the inner wall of the rod barrel cavity (33) and the outer side of the steam pipe (62) when the first helical blade rod (31) and the second helical blade rod (32) are supported in an auxiliary mode; Each transverse heating vertical plate (55) which is longitudinally arranged is distributed in a V shape, and the first spiral blade rod (31) and the second spiral blade rod (32) are correspondingly arranged at the opening of the middle part of the V shape; The left side and the right side of the inner frame plate (12) are respectively provided with a plurality of communication holes (121), and the interval constant temperature cavity (10) is communicated with the inner cavity of the heat preservation material box (1) at the outer side of the heat conduction push plate (53) through the communication holes (121).
2. 2. The 3D printing and heat insulating molding device for photosensitive resin materials according to claim 1, wherein the outer frame of the heat conducting push plate (53) is provided with a sealing rubber pad (54), and is tightly contacted with the inner wall of the heat insulating material box (1) through the sealing rubber pad (54).
3. 3. A 3D printing insulation molding device for photosensitive resin material according to claim 2, wherein a triangular sloping plate (56) is mounted on the opposite sides of the tops of the two heat conducting push plates (53), and the triangular sloping plate (56) is positioned below the transverse heating vertical plate (55), the first helical blade bar (31) and the second helical blade bar (32).
4. 4. A 3D printing and heat-preserving forming device for photosensitive resin materials according to claim 3, characterized in that the bottom of the heat-preserving material box (1) is further provided with a discharging structure (7), the discharging structure (7) comprises a discharging hole (70) arranged at the center of the bottom of the heat-preserving material box and a pump body (71) arranged on the discharging hole (70), a constant temperature discharging pipe (72) is arranged at the discharging end of the pump body (71), the constant temperature discharging pipe (72) is connected with a printing head (9), and the discharging hole (70) is arranged between two triangular sloping plates (56).
5. 5. A 3D printing insulation molding device for photosensitive resin material according to claim 4, wherein the insulation material box (1) top is provided with a transmission assembly (4) for synchronously transmitting rotation of the first helical blade bar (31) and the second helical blade bar (32), the transmission assembly (4) comprises a transmission motor (41) installed at the top of the insulation material box (1), and a first driven gear (43) and a second driven gear (44) installed at the top of the first helical blade bar (31) and the second helical blade bar (32) respectively and meshed with each other for transmission, a driving gear (42) for transmitting rotation of the first driven gear (43) is installed on a motor shaft of the transmission motor (41), and the first driven gear (43) and the second driven gear (44) are located at the outer side of the insulation material box (1).

Description

3D printing heat-preserving forming device for photosensitive resin material Technical Field The invention particularly relates to a 3D printing heat-preserving forming device for a photosensitive resin material, and relates to the technical field of 3D printing equipment. Background In the 3D printing process of photosensitive resin, uniformity of resin temperature plays a key role in precision, surface quality and mechanical property of a formed part, however, the material box heating insulation structure of the existing 3D printer has obvious defects, the conventional common material box usually adopts a heating mode of combining a single heating plate with a side heating wire, the heating area coverage of the structure is limited, only a local area of the material box can be heated, so that the photosensitive resin in the box cannot be fully and uniformly heated, the resin temperature close to a heating source area is higher, the resin temperature far away from the heating source area is lower, the temperature difference can even reach more than 5 ℃, meanwhile, the insulation design of the existing structure is simpler, the shell of the material box is subjected to passive insulation, the insulation effect is general, the continuous uniformity of the resin temperature is difficult to maintain in the long-time printing process, the problems of uneven resin viscosity distribution, inconsistent discharging curing reaction rate are easy to occur, further, the dimensional precision deviation of the printed part is caused, the surface warp deformation, the mechanical property discreteness is high and the like are seriously influenced, and the quality stability of a 3D printed finished product is seriously influenced, so that the 3D printing device for improving the problem of the 3D printing and forming is needed. Disclosure of Invention In order to solve the problems in the prior art, the invention aims to provide a 3D printing heat-preserving forming device for photosensitive resin materials. In order to achieve the aim, the 3D printing heat-preserving forming device for the photosensitive resin material comprises a printer box, a printing head arranged on the inner side of the printer box, a heat-preserving material box arranged on the top of the printer box and a detachable feeding hole arranged on the upper side of the heat-preserving material box, wherein a first spiral blade rod and a second spiral blade rod for mixing and stirring the material are vertically and rotatably arranged in the middle of the inner side of the heat-preserving material box, the first spiral blade rod is used for downwards conveying left-side materials in the heat-preserving material box, and the second spiral blade rod is used for upwards conveying right-side materials in the heat-preserving material box, so that the materials are mixed and conveyed in an up-down circulation manner in the heat-preserving material box; the left side and the right side of the heat-insulating material box are respectively and oppositely provided with a side pressure adjusting component, the side pressure adjusting component comprises a heat-conducting push plate which is transversely arranged in the heat-insulating material box in a sliding way, one side of the heat-conducting push plate is provided with a guide rod which penetrates through the heat-insulating material box, the outer side of the heat-insulating material box is provided with a telescopic push rod which is used for pushing the heat-conducting push plate to move left and right, and after the two heat-conducting push plates move relatively, the materials are piled up to be fully contacted with the first spiral blade rod and the second spiral blade rod; Two the equal rectangular array in opposite one side of heat conduction push pedal of side pressure adjusting part installs a plurality of horizontal heating vertical pieces, the vertical heating vertical piece that is rectangular array distribution is all installed to the inner wall around the heat preservation material case, and this vertical heating vertical piece staggers with horizontal heating vertical piece and distributes, and vertical heating vertical piece and horizontal heating vertical piece locate first helical blade pole and second helical blade pole's periphery, let the inside upper and lower circulation of heat preservation material case mix the material of carrying and flow and evenly heat along horizontal heating vertical piece and vertical heating vertical piece fast. According to the further improved scheme, the middle parts of the peripheral plate surfaces of the heat-insulating material box are provided with the interval constant temperature cavities, so that the heat-insulating material box is provided with the inner frame plate and the outer frame plate, the middle parts of the first spiral blade rod and the second spiral blade rod are provided with the rod barrel cavities, the outside of the heat-insulating mat