CN-121989449-A - Constant temperature cladding forming mechanism for 3D printing of granular material resin

CN121989449ACN 121989449 ACN121989449 ACN 121989449ACN-121989449-A

Abstract

The invention discloses a constant-temperature cladding forming mechanism for 3D printing of granular material resin, which relates to the technical field of 3D printing of granular material resin and comprises a built-in frame and a servo motor III, wherein auxiliary components for assisting feeding are arranged on two sides of the inside of the built-in frame, each auxiliary component comprises an auxiliary frame, a hydraulic rod II, a built-in plate, a material guiding frame and a material guiding pipe, and the hydraulic rod II is arranged in the auxiliary frame. This constant temperature cladding forming mechanism that granule material resin 3D printed adopts dual heating design through auxiliary assembly, and the heater strip cooperation S type passage in guide frame and the auxiliary frame makes granule material resin fully preheat, and the outside heat preservation of feed cylinder maintains the melting temperature stable, avoids the temperature fluctuation to influence shaping quality, and two sets of built-in boards promote material loading efficiency, possess the supplementary unloading function of trouble simultaneously, and the hollow structure and the screw cap design of auxiliary frame are convenient for maintain, effectively reduce putty, disconnected material phenomenon, promote printing efficiency and stability.

Inventors

XU HUANRAN
JIANG LIYI
Ouyang jiayi
LIU FEI
ZHANG YUCHEN
XU RUIXIANG

Assignees

扬州一新三维科技有限公司
南京工程学院

Dates

Publication Date: 20260508
Application Date: 20260408

Claims (9)

1. The utility model provides a granule resin 3D prints constant temperature cladding forming mechanism, includes built-in frame (3) and servo motor III (11), its characterized in that, the inside both sides of built-in frame (3) all are provided with auxiliary assembly (10) that are used for supplementary material loading, and auxiliary assembly (10) are including auxiliary frame (1001), hydraulic pressure pole II (1002), built-in board (1003), guide frame (1004) and guide pipe (1005), the inside of auxiliary frame (1001) is provided with hydraulic pressure pole II (1002), and the output of hydraulic pressure pole II (1002) installs built-in board (1003), the outside one side of built-in board (1003) is provided with guide frame (1004), and the internally mounted of guide frame (1004) has guide pipe (1005), the tip of guide pipe (1005) is provided with feed cylinder (13), and the inside of feed cylinder (13) is provided with screw disc (16), screw thread installation in the middle part of screw disc (16) has lead screw III (12), servo motor III (11) are installed in the top of lead screw III (12), the bottom (13) are provided with guide frame (9) and are provided with between the outside one side (3) and the outside one side (1) is provided with heat preservation frame (13), the inside of the frame (1) is provided with a slideway (2).
2. The constant temperature cladding forming mechanism for 3D printing of granular resin according to claim 1, wherein a threaded block (14) is arranged at the bottom of the built-in frame (3), and an adjusting component II (7) for adjusting the position is arranged in the threaded block (14).
3. The constant temperature cladding forming mechanism for 3D printing of granular resin according to claim 2, wherein the second adjusting component (7) comprises a first servo motor (701), a first sliding seat (702) and a first screw rod (703), the first screw rod (703) is mounted at the output end of the first servo motor (701), the first sliding seat (702) is mounted at one side of the first servo motor (701) externally, and the first sliding seat (702) is in a circular ring structure.
4. The constant temperature cladding forming mechanism for 3D printing of granular resin according to claim 3, wherein an adjusting component III (8) for secondary position adjustment is arranged perpendicular to one side of the adjusting component II (7), the adjusting component III (8) comprises a servo motor II (801), a slide seat II (802) and a screw rod II (803), the screw rod II (803) is arranged at the output end of the servo motor II (801), and the slide seat II (802) is arranged at the other side of the servo motor II (801).
5. The constant temperature cladding molding mechanism for 3D printing of granular resin according to claim 4, wherein the first sliding seat (702) and the second sliding seat (802) have the same structure, and the first sliding seat (702) and the second sliding seat (802) are both arranged outside the frame (1) in a sliding manner.
6. The constant temperature cladding forming mechanism for 3D printing of granular resin according to claim 5, wherein an adjusting component I (6) for three-time position adjustment is arranged above the servo motor III (11), the adjusting component I (6) comprises a mounting plate (601), a hydraulic rod I (602) and an integrated plate (603), the bottom of the mounting plate (601) is provided with the hydraulic rod I (602), and the output end of the hydraulic rod I (602) is provided with the integrated plate (603).
7. The constant temperature cladding forming mechanism for 3D printing of granular resin according to claim 6, wherein a pull rod (5) is integrally arranged on the outer surface of the collecting plate (603), and a stand column (4) is arranged at the bottom of the pull rod (5).
8. The constant temperature cladding molding mechanism for 3D printing of granular resin according to claim 7, wherein the inside of the auxiliary frame (1001) is hollow, and the screw cap (17) is mounted on the internal screw thread of the auxiliary frame (1001).
9. The constant temperature cladding forming mechanism for 3D printing of granular resin according to claim 8, wherein the operating method comprises the following steps of completing accurate positioning of a nozzle (9) through cooperation of a first adjusting component (6), a second adjusting component (7) and a third adjusting component (8), wherein the second adjusting component (7) comprises a first servo motor (701), a first sliding seat (702) and a first screw rod (703) for driving the inner frame (3) to move along the axial direction of the inner frame, realizing preliminary position adjustment of the nozzle (9) in the axial direction, the third adjusting component (8) comprises a second servo motor (801), a second sliding seat (802) and a second screw rod (803) which are perpendicular to the second adjusting component (7) and drive the inner frame (3) and related components to move along the vertical direction, completing secondary position calibration, and the first adjusting component (6) comprises a mounting plate (601), The first hydraulic rod (602) and the collecting plate (603) drive the collecting plate (603) to move up and down through the expansion and contraction of the first hydraulic rod (602), and then realize the third fine adjustment of the position of the nozzle (9) through the linkage of the pull rod (5) and the upright post (4), ensure the accurate alignment of the nozzle (9) to a forming area, the first sliding seat (702) and the second sliding seat (802) are both connected outside the frame (1) in a sliding way, provide stable support for the adjustment action, after the positioning is finished, the auxiliary assembly (10) and the feeding structure are started, provide stable granular material resin for the nozzle (9), and the auxiliary assembly (10) is provided with stable granular material resin by the auxiliary frame (1001), the second hydraulic rod (1002), A built-in board (1003), The feeding device comprises a material guiding frame (1004) and a material guiding pipe (1005), wherein a hydraulic rod II (1002) stretches and contracts in the auxiliary frame (1001) to drive a built-in plate (1003) and the material guiding frame (1004) to move, granular material resin is added into the auxiliary frame (1001) through a threaded cover (17) at the top of the rotary auxiliary frame (1001), after the granular material resin enters the material guiding frame (1004), a heating wire in the material guiding frame (1004) is preheated, enters the auxiliary frame (1001) and is subjected to secondary heating through the heating wire in the auxiliary frame (1001), and then is conveyed into a material cylinder (13) through an S-shaped material guiding pipe (1005), the feeding speed is reasonably reduced, the position of the two built-in plates (1003) is moved to improve the efficiency of the granular material resin entering the material cylinder (13), the auxiliary blanking is assisted when a threaded disc (16) fails, the auxiliary frame (1001) adopts a hollow structure and is provided with the threaded cover (17) to facilitate subsequent maintenance and cleaning, after the granular material resin enters the material cylinder (13) to enter a constant temperature melting and precise motor, a screw rod (13) is arranged in a conical shape, the three-shaped screw rod (12) is driven to rotate and the three-layer (13) is stably, the three-layer screw rod (13) is arranged inside the three-layer screw rod (13) is arranged, the three-shaped screw rod (13) is stably, the screw rod (13) is stably and the screw rod is arranged inside the screw rod (13), the screw disc (16) with the conical structure enhances the pushing stability, evenly pushes granular resin downwards to the nozzle (9), completes the supply of molten resin, and the molten resin pushed to the nozzle (9) is sprayed out through the nozzle (9) and is arranged in the first adjusting component (6), and under continuous and accurate control of the second adjusting component (7) and the third adjusting component (8), the layer-by-layer cladding operation is completed, and finally the target workpiece is formed.

Description

Constant temperature cladding forming mechanism for 3D printing of granular material resin Technical Field The invention relates to the technical field of 3D printing of granular resin, in particular to a constant-temperature cladding forming mechanism for 3D printing of granular resin. Background In the current 3D printing cladding molding technology of granular material resin, the problems of unstable feeding, insufficient temperature control precision, large nozzle positioning deviation and the like commonly exist, so that the defects of layering, cracking, rough surface and the like of a printed workpiece are easy to occur. Traditional forming mechanism adopts single heating mode more, and granule material resin preheats inadequately, and the melting is inhomogeneous after getting into the feed cylinder, and the feed cylinder heat preservation effect is poor, and the molten resin is great in the temperature fluctuation of propelling movement in-process, influences the cladding quality. Meanwhile, the traditional feeding structure has low feeding efficiency and is easy to cause blocking and breaking. Disclosure of Invention The invention aims to provide a constant-temperature cladding forming mechanism for 3D printing of granular resin, which aims to solve the problems in the background technology. The constant temperature cladding forming mechanism for 3D printing of the granular material resin comprises an inner frame and a servo motor III, wherein auxiliary components for assisting in feeding are arranged on two sides of the inner portion of the inner frame, the auxiliary components comprise an auxiliary frame, a hydraulic rod II, an inner plate, a material guiding frame and a material guiding pipe, the inner portion of the auxiliary frame is provided with a hydraulic rod II, the output end of the hydraulic rod II is provided with the inner plate, one side of the outer portion of the inner plate is provided with the material guiding frame, the material guiding pipe is arranged in the material guiding frame, the end portion of the material guiding pipe is provided with a material cylinder, a thread disc is arranged in the material cylinder, a screw rod III is arranged in the middle of the thread disc in a threaded manner, the servo motor III is arranged at the top of the screw rod III, a nozzle is arranged at the bottom of the material cylinder, an insulation layer is arranged between the inner frame and the material cylinder, a frame is arranged outside the inner frame, and a slideway is arranged inside the frame. Further, a threaded block is arranged at the bottom of the built-in frame, and a second adjusting component for adjusting the position is installed in the threaded block. Further, the second adjusting component comprises a first servo motor, a first sliding seat and a first screw rod, the first screw rod is arranged at the output end of the first servo motor, the first sliding seat is externally arranged at one side of the first servo motor, and the first sliding seat is of a circular ring structure. Further, one side perpendicular to the second adjusting component is provided with a third adjusting component for secondary position adjustment, the third adjusting component comprises a second servo motor, a second sliding seat and a second screw rod, the second screw rod is installed at the output end of the second servo motor, and the second sliding seat is arranged at the other side of the second servo motor. Furthermore, the first sliding seat and the second sliding seat have the same structure, and the first sliding seat and the second sliding seat are both arranged outside the frame in a sliding way. Further, the first adjusting component for three-time position adjustment is installed above the third servo motor, and comprises a mounting plate, a first hydraulic rod and an integrated plate, the bottom of the mounting plate is provided with the first hydraulic rod, and the output end of the first hydraulic rod is provided with the integrated plate. Further, the pull rod is integrally installed on the outer surface of the integrated plate, and the stand column is arranged at the bottom of the pull rod. Further, the inside of auxiliary frame is cavity form structure, and the screw thread lid is installed to the internal thread of auxiliary frame. The invention provides a constant-temperature cladding forming mechanism for 3D printing of granular material resin, which has the following beneficial effects: 1. The invention adds vertical fine tuning and multiaxial linkage design on the basis of the traditional positioning mode through the three-level cooperative positioning structure of the first adjusting component, the second adjusting component and the third adjusting component, wherein the second adjusting component drives the built-in frame to horizontally and accurately move along the axis, the third adjusting component realizes the position adjustment in the vertical direction, the fir