CN216993099U - High-precision scanning type surface forming 3D printing equipment - Google Patents
High-precision scanning type surface forming 3D printing equipment Download PDFInfo
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- CN216993099U CN216993099U CN202220622026.XU CN202220622026U CN216993099U CN 216993099 U CN216993099 U CN 216993099U CN 202220622026 U CN202220622026 U CN 202220622026U CN 216993099 U CN216993099 U CN 216993099U
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Abstract
The utility model relates to high-precision scanning type surface forming 3D printing equipment which comprises a rack, a light source galvanometer module, a circulating feeding module, a forming module, an up-down moving module and a release film flattening module, wherein the light source galvanometer module is arranged on the rack; the circular feeding module and the up-down moving module are both arranged on the machine frame, the release film flattening module is arranged on the circular feeding module, the molding module is connected with the up-down moving module, and the molding module is connected with the circular feeding module; the up-down moving module is positioned above the circulating feeding module; the light source vibrating mirror module comprises an optical engine, a reflector and a vibrating mirror, wherein the optical engine, the reflector and the vibrating mirror are all installed on the rack, a surface light source emitted by the optical engine enters the vibrating mirror after being reflected by the reflector, and then the light source is projected to the forming module by the vibrating mirror. The utility model can ensure high precision while quickly printing large-size parts, and belongs to the technical field of 3D printing equipment.
Description
Technical Field
The utility model relates to the technical field of 3D printing equipment, in particular to high-precision scanning type surface forming 3D printing equipment.
Background
The 3D printing technology can directly guide the three-dimensional model into printing equipment for printing and forming after processing, has the characteristic of intelligent manufacturing, and can form complex parts due to the adoption of a layer-by-layer accumulation forming method, so that great freedom is brought to design and manufacturing, and the three-dimensional model is gradually and widely applied to various industries.
Common 3D printing technologies mainly comprise selective laser melting, selective laser sintering, photocuring forming technology, fused deposition technology and the like, wherein the photocuring technology has the characteristic of high precision, an expensive optical engine is usually adopted as a forming light source, and the forming size is limited; the double electric cylinders are used as the moving devices, so that the cost is high and the mechanical structure is complex; when printing high viscosity slurry, the forming precision is reduced because the surface smoothness of the slurry is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model aims to: the scanning type surface forming 3D printing equipment can ensure high precision while rapidly printing large-size parts.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-precision scanning type surface forming 3D printing device comprises a rack, a light source galvanometer module, a circulating feeding module, a forming module, an up-and-down moving module and a release film flattening module; the circular feeding module and the up-down moving module are both arranged on the machine frame, the release film flattening module is arranged on the circular feeding module, the forming module is connected with the up-down moving module, and the light source galvanometer module is positioned above the forming module; the forming module is connected with the circulating feeding module and is positioned above the circulating feeding module; the up-down moving module is positioned above the circulating feeding module; the light source vibrating mirror module comprises an optical engine, a reflecting mirror and a vibrating mirror, wherein the optical engine, the reflecting mirror and the vibrating mirror are all installed on the rack, a surface light source emitted by the optical engine irradiates towards the reflecting mirror, the reflecting mirror is used for reflecting the surface light source emitted by the optical engine to the vibrating mirror, and the vibrating mirror is used for projecting a light source to the forming module.
Preferably, the circulating feeding module comprises a material storage platform, a material box, a feeding pump, a discharging pump and a hopper; the material storage platform is mounted on a rack, a feed chute and a discharge chute are arranged on two sides of the material storage platform, a material box is mounted on a mounting platform, a feed pump and a discharge pump are both mounted on the rack, the feed pump and the discharge pump are both connected with the material box through pipelines, the number of the hoppers is two, the two hoppers are respectively a feed hopper and a discharge hopper, the feed hopper is mounted on the feed chute, the discharge hopper is mounted on the discharge chute, the feed hopper and the discharge hopper are both connected with the material storage platform, the feed hopper is connected with the feed pump through a pipeline, and the discharge hopper is connected with the discharge pump through a pipeline; the release film flattening module is connected with the material storage platform; the molding module is connected with the material storage platform.
Preferably, a hose is used as a pipeline between the bin and an inlet of the feed pump, a hose is used as a pipeline between an outlet of the feed pump and the feed hopper, a hose is used as a pipeline between the discharge hopper and an inlet of the discharge pump, and a hose is used as a pipeline between an outlet of the discharge pump and the bin.
Preferably, the up-and-down moving module comprises a moving adapter plate, a moving module, a module mounting plate, a motor mounting plate, a grating ruler mounting plate and a grating ruler adapter plate, wherein the module mounting plate is connected with the frame, the moving module is mounted on the module mounting plate, the moving adapter plate is connected with the moving module, and the moving adapter plate is positioned at the bottom of the module mounting plate; the motor mounting plate is connected with the top end of the module mounting plate, the motor is mounted on the motor mounting plate, and the motor is connected with the mobile module; the grating ruler mounting plate is connected with the module mounting plate, the grating ruler is connected with the grating ruler mounting plate, and the grating ruler adapter plate is connected with the movable module; the forming module is connected with the motion adapter plate.
Preferably, the moving module comprises a lead screw, a slide rail, a slide block, a moving block and a lead screw supporting seat, the lead screw supporting seat is installed on the module installation plate, the lead screw is rotatably connected with the lead screw supporting seat, one end of the lead screw is connected with an output shaft of the motor, and the other end of the lead screw is in threaded connection with the moving block; the sliding block is arranged on the moving block, the sliding rail is arranged on the module mounting plate, the sliding rail is positioned on one side of the screw rod, and the sliding rail and the screw rod are arranged in parallel; the sliding block is connected with the sliding rail in a sliding manner; the grating ruler adapter plate is connected with the moving block, and the moving adapter plate is connected with the moving block.
Preferably, the forming module comprises a base, rib plates, a flexible cylinder upper fixing frame, a flexible cylinder lower fixing frame, a printing platform and a printing platform fixing plate, wherein the printing platform is connected with the printing platform fixing plate, the printing platform fixing plate is connected with the base, the base is connected with the two rib plates, and the two rib plates are connected with the motion adapter plate; the flexible cylinder lower fixing frame is connected with the bottom plate, and the bottom of the flexible cylinder is fixed on the top plane of the bottom plate through the flexible cylinder lower fixing frame; the flexible cylinder upper fixing frame is connected with the material storage platform, and the top of the flexible cylinder is fixed on the bottom plane of the material storage platform through the flexible cylinder upper fixing frame.
Preferably, the flexible cylinder is made of elastic materials, the outer surface of the flexible cylinder is provided with a folded edge, the bottom edge of the flexible cylinder is provided with a convex layer extending outwards, and the top of the flexible cylinder is provided with a convex layer extending outwards; the flexible cylinder lower fixing frame compresses the bottom convex layer of the flexible cylinder on the top plane of the bottom plate, the flexible cylinder upper fixing frame is connected with the storage platform, and the flexible cylinder upper fixing frame compresses the top convex layer of the flexible cylinder on the bottom plane of the storage platform.
Preferably, the release film flattening module comprises an upper release film, a release film base and a release film upper cover, the release film upper cover is mounted above the storage platform, the release film base is connected with the release film upper cover, and a sealing ring is arranged between the release film base and the release film upper cover and used for forming a sealing space between the upper release film, the storage platform, the flexible cylinder and the printing platform.
A high-precision scanning type surface forming 3D printing method adopts high-precision scanning type surface forming 3D printing equipment, and comprises the following steps:
s1: importing the slice file of the part into upper computer software of 3D printing equipment, and setting forming parameters; adjusting the reflector to enable the optical path of the optical engine to enter the vibrating mirror, and filling the printing material into the material box;
s2: the feeding pump starts to work, the material in the material box is filled into a sealed space formed by the material storage platform, the release film, the flexible cylinder and the printing platform, and printing is started after the upper surface of the material is flat;
s3: the optical engine divides the layer into a plurality of squares to ensure that each projection meets the precision requirement, different squares are projected to a specified position through a vibrating mirror to enable the material to be formed until all the squares finish the printing of the layer, otherwise, only one-time projection solidification is carried out;
s4: the motor works, and the movement adapter plate drives the printing platform and the flexible cylinder to descend by a distance of one printing layer thickness; s5: repeating the printing process steps 2-4 to print the formed complete part;
s6: the discharge pump starts to work, and the residual slurry is conveyed to the feed box;
s7: finishing printing;
the method is used for printing high-precision large-size parts.
A high-precision scanning type surface forming 3D printing method adopts high-precision scanning type surface forming 3D printing equipment, and comprises the following steps:
s1: importing the slice file of the part into upper computer software of 3D printing equipment, and setting forming parameters; adjusting the reflector to enable the light path of the optical engine to enter the vibrating mirror, and filling the printing material into the material box;
s2: the feeding pump starts to work, the material in the material box is filled into a sealed space formed by the material storage platform, the release film, the flexible cylinder and the printing platform, and printing is started after the upper surface of the material is flat;
s3: exposing by an optical engine to perform primary projection curing;
s4: the motor works, and the movement adapter plate drives the printing platform and the flexible cylinder to descend by a distance of one printing layer thickness; s5: repeating the printing process steps 2-4 until the formed complete part is printed;
s6: the discharge pump starts to work, and the residual slurry is conveyed back to the feed box;
s7: finishing printing;
the method is used for printing high-precision small-size parts.
In general, the present invention has the following advantages:
1. the utility model realizes large-size high-precision printing by utilizing the combination of the optical engine and the galvanometer system, and can carry out a general forming mode when the printing precision is enough or the size is smaller; when the required precision is improved or the size is larger, so that the curing forming can not be carried out only once, the printing layer can be divided into a plurality of small areas to improve the precision, and each small area is formed in sequence through a vibrating mirror system, so that the high-precision forming can be ensured by utilizing the photo-curing, and meanwhile, the high-efficiency and large-size printing can be realized.
2. According to the utility model, the traditional rigid forming cylinder is replaced by the foldable and extensible flexible cylinder, the flexible cylinder is in a folded state when printing is started, the bottom of the flexible cylinder moves downwards along with the moving module to extend when the next layer of printing is carried out, and a space is provided for the next layer of slurry to enter, so that the mechanical structure is simplified, an electric cylinder is not required to be used as a moving device, and the equipment cost and the control difficulty are reduced.
3. According to the utility model, two peristaltic pumps are respectively used as the feeding pump and the discharging pump, the feeding pump pumps the slurry required by printing the next layer from the material box to be filled on the material storage platform, and the discharging pump pumps the residual slurry after the final printing is finished back to the material box for recycling, so that the utilization rate of the material is improved, the equipment is convenient to clean, the peristaltic pumps replace expensive electric cylinders, and the equipment cost and the control difficulty are reduced.
4. When the slurry is filled on the storage platform, the lower surface of the upper release film and the upper surface of the slurry are extruded to generate pressure, the upper surface of the slurry is kept flat by the pressure, the printing precision is improved, and the upper release film ensures that the slurry in the layer is smoothly separated from the film when the slurry is cured and descends.
Drawings
Fig. 1 is a perspective view of a high-precision scanning type surface forming 3D printing apparatus.
Fig. 2 is an assembled perspective view of the circulating feeding module, the forming module and the release film flattening module.
FIG. 3 is a schematic diagram of the flow path of the printing material in the apparatus, with the parts other than the hopper, feed pump, discharge pump being in cross-section.
Fig. 4 is a perspective view of the mobile module.
Fig. 5 is a perspective view of the release film flattening module.
Fig. 6 is a perspective view of a forming module.
Fig. 7 is an assembled perspective view of the printing platform and the printing platform fixing plate of the forming module.
Fig. 8 is a perspective view of the feed hopper.
Fig. 9 is a perspective view of the moving module.
FIG. 10 is a flow chart of a high precision scanning type face forming 3D printing method;
the optical engine is 1, the vibrating mirror is 2, the top mounting plate is 3, the reflector is 4, the vibrating mirror fixing block is 5, the frame is 6, the mounting platform is 7, the storage platform is 8, the feeding hopper is 9, the discharging pump is 10, the material box is 11, the feeding pump is 12, the release film upper cover is 13, the release film base is 14, the release film upper cover is 15, the upper release film is 15, the motor is 16, the moving module is 17, the module mounting plate is 18, the motion adapter plate is 19, the motor mounting plate is 20, the grating ruler mounting plate is 21, the grating ruler is 22, the grating ruler adapter plate is 23, the flexible cylinder upper fixing frame is 24, the flexible cylinder is 25, the flexible cylinder lower fixing frame is 26, the base is 27, the rib plate is 28, the printing platform is 29, the printing platform fixing plate is 30, the bottom mounting plate is 31, the storage hopper is 32, the lead screw is 33, the moving block is 34, the slide rail is 35, the slide block is 36, and the lead screw is 37.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example one
The high-precision scanning type surface forming 3D printing equipment comprises a rack, a light source galvanometer module, a circulating feeding module, a forming module, an up-and-down moving module and a release film flattening module; the circular feeding module and the up-down moving module are both arranged on the machine frame, the release film flattening module is arranged on the circular feeding module, the forming module is connected with the up-down moving module, and the light source galvanometer module is positioned above the forming module; the forming module is connected with the circulating feeding module and is positioned above the circulating feeding module; the up-down moving module is positioned above the circulating feeding module; the light source vibrating mirror module comprises an optical engine, a reflecting mirror and a vibrating mirror, wherein the optical engine, the reflecting mirror and the vibrating mirror are all installed on the rack, a surface light source emitted by the optical engine irradiates towards the reflecting mirror, the reflecting mirror is used for reflecting the surface light source emitted by the optical engine to the vibrating mirror, and the vibrating mirror is used for projecting a light source to a forming plane (so that the forming area and the forming efficiency are increased while high-precision forming is guaranteed). The up-down moving module is used for driving the forming module and the release film flattening module to move up and down relative to the rack. The quantity of the speculum of this embodiment is two, and two are all installed on the top mounting panel, and the mirror that shakes is installed on the top mounting panel through the mirror fixed block that shakes, and the mirror fixed block that shakes is installed at the top mounting panel.
In this embodiment, the frame includes top mounting panel, mounting platform, bottom mounting panel and frame, and the top mounting panel is installed at the top of frame, and the bottom mounting panel is installed in the bottom of frame, and mounting platform installs at the frame, and mounting platform is located between top mounting panel and the bottom mounting panel. The optical engine, the reflecting mirror and the vibrating mirror are all installed on the top installation plate, the up-down moving module is installed on the installation platform, and the circulating feeding module is installed on the bottom installation plate. The forming module and the release film flattening module are arranged in a sliding mode relative to the mounting platform.
In this embodiment, the forming module moves downwards under the driving of the moving module in the printing process, the circulating feeding module supplies materials to the forming module and recovers surplus materials, and the light source galvanometer module projects a surface light source to a specified area through a galvanometer system for exposure, so that the forming area and the forming efficiency are increased while high-precision forming is ensured.
The circulating feeding module comprises a material storage platform, a material box, a feeding pump, a discharging pump and a funnel; the material storage platform is mounted on a rack, a feed chute and a discharge chute are arranged on two sides of the material storage platform, a material box is mounted on a mounting platform, a feed pump and a discharge pump are both mounted on the rack, the feed pump and the discharge pump are both connected with the material box through pipelines, the number of the hoppers is two, the two hoppers are respectively a feed hopper and a discharge hopper, the feed hopper is mounted on the feed chute, the discharge hopper is mounted on the discharge chute, the feed hopper and the discharge hopper are both connected with the material storage platform, the feed hopper is connected with the feed pump through a pipeline, and the discharge hopper is connected with the discharge pump through a pipeline; the release film flattening module is connected with the material storage platform; the molding module is connected with the material storage platform.
The pipeline between the feed box and the inlet of the feed pump adopts a hose, the pipeline between the outlet of the feed pump and the feed hopper adopts a hose, the pipeline between the outlet of the discharge hopper and the inlet of the discharge pump adopts a hose, and the pipeline between the outlet of the discharge pump and the feed box adopts a hose. The bottom of feed hopper and discharge hopper is equipped with two round mouth pipes that outwards extend, and the hose and the round mouth union coupling of being connected with feed hopper, the hose and the round mouth union coupling of being connected with discharge hopper. The hose connected with the feed box is a three-way hose and is Y-shaped. The round nozzle pipe is a three-way hose and is Y-shaped.
Through above-mentioned hose with workbin, charge pump, feed hopper, ejection of compact funnel and row material pump, constitute circulation feed return circuit with this, make the workbin in material gush into on the storage platform and print the shaping back, unnecessary material can recycle back to in the workbin, wherein be connected between pump and the funnel and adopt "Y" venturi tube, two overhanging round mouth union couplings of every pump and funnel promptly for the material gets into to fill more evenly with the discharge backward flow, is favorable to guaranteeing to print leveling of liquid level, the hose of connecting also is "Y" venturi tube on the workbin, and two hoses of this "Y" venturi tube other end respectively with the import of charge pump and the exit linkage of row material pump.
The feed pump and the discharge pump of the present embodiment both use peristaltic pumps. The motor adopts a servo motor.
The up-and-down moving module comprises a moving adapter plate, a moving module, a module mounting plate, a motor mounting plate, a grating ruler mounting plate and a grating ruler adapter plate, the module mounting plate is connected with the rack, the moving module is mounted on the module mounting plate, the moving adapter plate is connected with the moving module, and the moving adapter plate is positioned at the bottom of the module mounting plate; the motor mounting plate is connected with the top end of the module mounting plate, the motor is mounted on the motor mounting plate, and the motor is connected with the mobile module; the grating ruler mounting plate is connected with the module mounting plate, the grating ruler is connected with the grating ruler mounting plate, and the grating ruler adapter plate is connected with the mobile module; therefore, the grating ruler is driven to synchronously move through the movable module, and the moving precision is improved. The forming module is connected with the motion adapter plate.
The movable module comprises a lead screw, a slide rail, a slide block, a movable block and a lead screw supporting seat, wherein the lead screw supporting seat is arranged on the module mounting plate, the lead screw is rotatably connected with the lead screw supporting seat, one end of the lead screw is connected with an output shaft of the motor, and the other end of the lead screw is in threaded connection with the movable block; the sliding block is arranged on the moving block, the sliding rail is arranged on the module mounting plate, the sliding rail is positioned on one side of the screw rod, and the sliding rail and the screw rod are arranged in parallel; the sliding block is connected with the sliding rail in a sliding manner; the grating ruler transfer board is connected with the moving block, and the moving transfer board is connected with the moving block.
The forming module comprises a base, rib plates, a flexible cylinder upper fixing frame, a flexible cylinder lower fixing frame, a printing platform and a printing platform fixing plate, wherein the printing platform is connected with the printing platform fixing plate, the printing platform fixing plate is connected with the base, the base is connected with the two rib plates, and the two rib plates are connected with the motion adapter plate; the flexible cylinder lower fixing frame is connected with the bottom plate, and the bottom of the flexible cylinder is fixed on the top plane of the bottom plate through the flexible cylinder lower fixing frame; the flexible cylinder upper fixing frame is connected with the material storage platform, and the top of the flexible cylinder is fixed on the bottom plane of the material storage platform through the flexible cylinder upper fixing frame. Therefore, the motor works and drives the printing platform to move up and down through the moving module.
The flexible cylinder is made of elastic materials, the outer surface of the flexible cylinder is provided with a fold edge, the bottom edge of the flexible cylinder is provided with a convex layer extending outwards, and the top of the flexible cylinder is provided with a convex layer extending outwards; the flexible cylinder lower fixing frame compresses the bottom protruding layer of the flexible cylinder on the top plane of the bottom plate, the flexible cylinder upper fixing frame is connected with the storage platform, and the flexible cylinder upper fixing frame compresses the top protruding layer of the flexible cylinder on the bottom plane of the storage platform. In this embodiment, the fold edge of the outer surface of the flexible cylinder may be folded, compressed, or expanded and elongated when the printing platform moves up and down, and the elastic material may be silicon rubber, butadiene acrylonitrile rubber, styrene butadiene rubber, butyl rubber, or the like.
The release film flattening module comprises an upper release film, a release film base and a release film upper cover, the release film upper cover is installed above the storage platform, the release film base is connected with the release film upper cover, and a sealing ring is arranged between the release film base and the release film upper cover and used for forming a sealing space between the upper release film, the storage platform, the flexible cylinder and the printing platform. When the circulation feeding module inputs the slurry, pressure is generated between the upper surface of the slurry and the lower surface of the upper release film, so that the upper surface of the slurry is flattened, the printing precision is improved, and the smooth separation of the layer of slurry from the upper release film after the slurry is cured and descends is ensured.
Example two
In the 3D printing method for high-precision scanning type surface forming according to this embodiment, a high-precision scanning type surface forming 3D printing apparatus is used, and the method includes the following steps:
s1: importing the slice file of the part into upper computer software of 3D printing equipment, and setting forming parameters; adjusting the reflector to enable the optical path of the optical engine to enter the vibrating mirror, and filling the printing material into the material box;
s2: the feeding pump starts to work, the materials in the material box are filled into a sealed space formed by the material storage platform, the release film, the flexible cylinder and the printing platform, and printing is started after the upper surface of the materials is leveled;
s3: the optical engine divides the layer into a plurality of squares to ensure that each projection meets the precision requirement, different squares are projected to a specified position through a vibrating mirror to enable the material to be formed until all the squares finish the printing of the layer, otherwise, only one-time projection solidification is carried out;
s4: the motor works, and the movement adapter plate drives the printing platform and the flexible cylinder to descend by a distance of one printing layer thickness;
s5: repeating the printing process steps 2-4 until the formed complete part is printed;
s6: the discharge pump starts to work, and the residual slurry is conveyed back to the feed box;
s7: finishing printing;
the method is used for printing high-precision large-size parts.
The embodiment is not described in the first embodiment.
EXAMPLE III
A high-precision scanning type surface forming 3D printing method adopts high-precision scanning type surface forming 3D printing equipment, and comprises the following steps:
s1: importing the slice file of the part into upper computer software of 3D printing equipment, and setting forming parameters; adjusting the reflector to enable the light path of the optical engine to enter the vibrating mirror, and filling the printing material into the material box;
s2: the feeding pump starts to work, the materials in the material box are filled into a sealed space formed by the material storage platform, the release film, the flexible cylinder and the printing platform, and printing is started after the upper surface of the materials is leveled;
s3: exposing by an optical engine to perform primary projection curing;
s4: the motor works, and the movement adapter plate drives the printing platform and the flexible cylinder to descend by a distance of one printing layer thickness;
s5: repeating the printing process steps 2-4 to print the formed complete part;
s6: the discharge pump starts to work, and the residual slurry is conveyed back to the feed box;
s7: finishing printing;
the method is used for printing high-precision small-size parts.
The embodiment is the same as the first embodiment.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such modifications are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a high accuracy scanning formula face formation 3D printing apparatus which characterized in that: the device comprises a rack, a light source galvanometer module, a circulating feeding module, a forming module, an up-and-down moving module and a release film flattening module; the circular feeding module and the up-down moving module are both arranged on the machine frame, the release film flattening module is arranged on the circular feeding module, the forming module is connected with the up-down moving module, and the light source galvanometer module is positioned above the forming module; the forming module is connected with the circulating feeding module and is positioned above the circulating feeding module; the up-down moving module is positioned above the circulating feeding module; the light source vibrating mirror module comprises an optical engine, a reflector and a vibrating mirror, wherein the optical engine, the reflector and the vibrating mirror are all installed on the rack, a surface light source emitted by the optical engine irradiates towards the reflector, the reflector is used for reflecting the surface light source emitted by the optical engine to the vibrating mirror, and the vibrating mirror is used for projecting a light source to the forming module.
2. A high precision scannable surface forming 3D printing apparatus as in claim 1, wherein: the circulating feeding module comprises a material storage platform, a material box, a feeding pump, a discharging pump and a funnel; the material storage platform is mounted on a rack, a feed chute and a discharge chute are arranged on two sides of the material storage platform, a material box is mounted on a mounting platform, a feed pump and a discharge pump are both mounted on the rack, the feed pump and the discharge pump are both connected with the material box through pipelines, the number of the hoppers is two, the two hoppers are respectively a feed hopper and a discharge hopper, the feed hopper is mounted on the feed chute, the discharge hopper is mounted on the discharge chute, the feed hopper and the discharge hopper are both connected with the material storage platform, the feed hopper is connected with the feed pump through a pipeline, and the discharge hopper is connected with the discharge pump through a pipeline; the release film flattening module is connected with the material storage platform; the molding module is connected with the material storage platform.
3. A high precision scannable surface forming 3D printing apparatus as in claim 2, wherein: the pipeline between the bin and the inlet of the feed pump is a hose, the pipeline between the outlet of the feed pump and the feed hopper is a hose, the pipeline between the outlet of the discharge hopper and the inlet of the discharge pump is a hose, and the pipeline between the outlet of the discharge pump and the bin is a hose.
4. A high precision scannable surface forming, 3D, printing apparatus according to claim 2, characterized in that: the up-and-down moving module comprises a moving adapter plate, a moving module, a module mounting plate, a motor mounting plate, a grating ruler mounting plate and a grating ruler adapter plate, the module mounting plate is connected with the rack, the moving module is mounted on the module mounting plate, the moving adapter plate is connected with the moving module, and the moving adapter plate is positioned at the bottom of the module mounting plate; the motor mounting plate is connected with the top end of the module mounting plate, the motor is mounted on the motor mounting plate, and the motor is connected with the mobile module; the grating ruler mounting plate is connected with the module mounting plate, the grating ruler is connected with the grating ruler mounting plate, and the grating ruler adapter plate is connected with the movable module; the forming module is connected with the motion adapter plate.
5. A high precision scannable surface forming, 3D, printing apparatus according to claim 4, characterized in that: the moving module comprises a lead screw, a slide rail, a slide block, a moving block and a lead screw supporting seat, the lead screw supporting seat is arranged on the module mounting plate, the lead screw is rotatably connected with the lead screw supporting seat, one end of the lead screw is connected with an output shaft of the motor, and the other end of the lead screw is in threaded connection with the moving block; the sliding block is arranged on the moving block, the sliding rail is arranged on the module mounting plate, the sliding rail is positioned on one side of the screw rod, and the sliding rail is arranged in parallel with the screw rod; the sliding block is connected with the sliding rail in a sliding manner; the grating ruler adapter plate is connected with the moving block, and the moving adapter plate is connected with the moving block.
6. A high precision scannable surface forming 3D printing apparatus as in claim 4, wherein: the forming module comprises a base, rib plates, a flexible cylinder upper fixing frame, a flexible cylinder lower fixing frame, a printing platform and a printing platform fixing plate, wherein the printing platform is connected with the printing platform fixing plate, the printing platform fixing plate is connected with the base, the base is connected with the two rib plates, and the two rib plates are connected with the motion adapter plate; the flexible cylinder lower fixing frame is connected with the bottom plate, and the bottom of the flexible cylinder is fixed on the top plane of the bottom plate through the flexible cylinder lower fixing frame; the flexible cylinder upper fixing frame is connected with the material storage platform, and the top of the flexible cylinder is fixed on the bottom plane of the material storage platform through the flexible cylinder upper fixing frame.
7. A high precision scannable surface forming, 3D, printing apparatus according to claim 6, characterized in that: the flexible cylinder is made of elastic materials, the outer surface of the flexible cylinder is provided with a fold edge, the bottom edge of the flexible cylinder is provided with a convex layer extending outwards, and the top of the flexible cylinder is provided with a convex layer extending outwards; the flexible cylinder lower fixing frame compresses the bottom protruding layer of the flexible cylinder on the top plane of the bottom plate, the flexible cylinder upper fixing frame is connected with the storage platform, and the flexible cylinder upper fixing frame compresses the top protruding layer of the flexible cylinder on the bottom plane of the storage platform.
8. A high precision scannable surface forming, 3D, printing apparatus according to claim 6, characterized in that: the release film flattening module comprises an upper release film, a release film base and a release film upper cover, the release film upper cover is installed above the storage platform, the release film base is connected with the release film upper cover, and a sealing ring is arranged between the release film base and the release film upper cover and used for forming a sealing space between the upper release film, the storage platform, the flexible cylinder and the printing platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220622026.XU CN216993099U (en) | 2022-03-22 | 2022-03-22 | High-precision scanning type surface forming 3D printing equipment |
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| CN202220622026.XU CN216993099U (en) | 2022-03-22 | 2022-03-22 | High-precision scanning type surface forming 3D printing equipment |
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| CN114801167A (en) * | 2022-03-22 | 2022-07-29 | 华南理工大学 | High-precision scanning type surface forming 3D printing equipment and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801167A (en) * | 2022-03-22 | 2022-07-29 | 华南理工大学 | High-precision scanning type surface forming 3D printing equipment and method |
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