CN108688152B - Photocuring 3D printing method - Google Patents
Photocuring 3D printing method Download PDFInfo
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- CN108688152B CN108688152B CN201810493671.4A CN201810493671A CN108688152B CN 108688152 B CN108688152 B CN 108688152B CN 201810493671 A CN201810493671 A CN 201810493671A CN 108688152 B CN108688152 B CN 108688152B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/255—Enclosures for the building material, e.g. powder containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention relates to the field of printing equipment, in particular to a photocuring 3D printing method, wherein a printing structure for printing devices is arranged in a housing of a photocuring 3D printer; the printing structure is connected with a driving structure for driving the device to lift; the lateral wall of the shell is provided with a guide structure, and a storage structure for storing the light-cured resin is fixed on the guide structure. The storage structure is convenient for storing and storing the light-cured liquid resin inside the printing structure, and is convenient for adding the light-cured liquid resin into the printing structure when the equipment works, so that the operation flexibility is greatly improved.
Description
Technical Field
The invention relates to the field of printing equipment, in particular to a photocuring 3D printing method.
Background
3D prints and is novel rapid prototyping manufacturing technology, and it makes the product through multilayer stack growth principle, and it can overcome the unable special construction obstacle that realizes of traditional machining, can realize the simplistic production of arbitrary complex structure part, and current 3D printing technique divide into, hot melt plastic basic technology FDM, laser sintering shaping technique, and regional solidification shaping technique is selected to the liquid resin of photocuring.
However, the traditional photocuring 3D printer is not convenient enough when adding the photocuring liquid resin, and the height adjustment range of the printed device is small. In view of this, the present invention provides a photocuring 3D printing method, which has the following characteristics:
(1) according to the photocuring 3D printing method, the storage structure is arranged, so that the photocuring liquid resin in the printing structure can be conveniently stored and stored, the photocuring liquid resin can be conveniently added into the printing structure when the equipment works, the flexibility of operation is greatly improved, meanwhile, the storage structure is arranged on the guide structure, the storage structure on the guide structure can be conveniently adjusted, the photocuring liquid resin can be more conveniently stored and stored, the contact time between the printing structure and the photocuring liquid resin and an external light source is reduced, the photocuring liquid resin is effectively prevented from being cured, and the storage quality of the photocuring liquid resin is greatly improved.
(2) According to the photocuring 3D printing method, the driving structure is arranged, so that printing is more stable, devices with different heights can be conveniently printed, and meanwhile, the shading cover is clamped with the driving structure and the shell of the driving structure, so that the shading cover is more conveniently fixed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a photocuring 3D printing method, the method adopts a photocuring 3D printer storage structure which is convenient to store and store photocuring liquid resin inside the printing structure and add the photocuring liquid resin into the printing structure when the equipment works, the flexible operation performance is greatly improved, meanwhile, the storage structure is arranged on a guide structure, the storage structure on the guide structure is convenient to adjust, the photocuring liquid resin is more convenient to store and store, the contact time between the printing structure and the photocuring liquid resin thereof and an external light source is reduced, the photocuring liquid resin is effectively prevented from being cured, the storage quality of the photocuring liquid resin is greatly improved, the driving structure is more stable in printing, devices with different heights can be conveniently printed, and meanwhile, a shading cover is clamped with the driving structure and a shell thereof, the shading cover is more convenient to fix.
The technical scheme adopted by the invention for solving the technical problems is as follows: a photocuring 3D printing method, the method comprising the steps of:
s1, inputting the three-dimensional model into a computer;
s2, connecting the computer in the S1 with the photocuring 3D printer in a data connection mode, forming numerical control programming on the three-dimensional model by the computer, and transmitting the numerical control programming to the photocuring 3D printer;
performing three-dimensional printing by using the photocuring 3D printer in S3 or S2;
s4, taking the three-dimensional model printed in the S3 out of the photocuring 3D printer;
s5, putting the three-dimensional model formed in the S4 into a cleaning solution for cleaning;
the photocuring 3D printer adopted in the method comprises a shell, a printing structure, a switch, a lead, a driving structure, a shading cover, a guide structure and a storage structure; the shell is provided with the lead electrically connected with the printing structure and the switch for controlling the starting and stopping of the printing structure; the printing structure for the printing device is arranged in the shell; the printing structure is connected with the driving structure for driving the device to lift; the side wall of the shell is provided with the guide structure, the guide structure is fixedly provided with the storage structure for storing the light-cured resin, and the storage structure is detachably connected with the guide structure; the shading cover is clamped with the shell.
Specifically, the printing structure comprises a liquid storage tank, a liquid storage tank bottom film, a supporting plate, an illuminating lamp, a focusing lens, a Fresnel lens, a polarizing film and a liquid crystal screen, wherein the illuminating lamp, the focusing lens, the Fresnel lens, the polarizing film, the liquid crystal screen, the liquid storage tank bottom film, the liquid storage tank and the supporting plate are sequentially arranged in the shell from the bottom end to the top end, the supporting plate is connected with the liquid storage tank in a sliding manner, and the conducting wire is electrically connected with the illuminating lamp and the liquid crystal screen; the light source of light sees through focusing lens makes the light source distribute evenly, then passes through Fresnel lens makes light shine perpendicularly polarizing film with on the LCD screen, the LCD screen both sides are equipped with respectively polarizing film, the formation of image of LCD screen shows just transparent display, and the image can see through the LCD screen shines on the photocuring resin, the layer board with very thin resin liquid between the reservoir basement membrane is in the solidification takes place under the LCD screen printing opacity shines, the layer board is mentioned the solidification part, lets the liquid supply come in, the layer board descends once more, the layer board with thin layer reexposure between the reservoir basement membrane makes the photocuring resin solidify into the device of appointed shape.
Specifically, the driving structure comprises a sliding sleeve, a guide post, a motor, a fixed plate, a screw rod and a sliding rod, the fixed plate is fixed on the shell, the motor is fixed at one end of the fixed plate, which is far away from the motor, is provided with the sliding sleeve which is of a rectangular structure and used for guiding, the screw rod is fixed on the motor and extends to the sliding rod used for driving, the sliding rod is in threaded connection with the screw rod and is in sliding connection with the sliding sleeve, the guide post of a cylindrical structure is arranged on four side edges of the sliding rod, the guide post is in sliding connection with the sliding sleeve, and the sliding rod is fixed on the supporting plate; computer equipment control the motor rotates, the motor rotates the drive the lead screw is in the inside of slide bar is rotated, makes the slide bar is in the inside slip of sliding sleeve, the slide bar drive the layer board with the reservoir basement membrane is contradicted, the layer board with very thin resin liquid is in between the reservoir basement membrane liquid crystal screen printing opacity shines down and takes place the solidification, motor drive the lead screw rotates, the slide bar drive the layer board is mentioned the solidification part, lets liquid supply come in, motor drive the layer board descends once more, the layer board with thin layer between the reservoir basement membrane is exposed once more, makes the device of photocuring resin solidification one-tenth appointed shape.
Specifically, the guide structure comprises a slide block, a guide rail, a limiting post, a drive ring, a limiting groove and a guide groove, the guide rail is fixed at one end of the shell, which is far away from the liquid storage tank, the guide groove for guiding and the limiting groove for limiting are arranged in the guide rail, the slide block is arranged in the limiting groove and the guide groove, the cross section of the slide block is of a T-shaped structure, the width of the limiting groove is greater than that of the guide groove, the limiting post penetrates through the slide block to be abutted against the guide rail, the slide block is in threaded connection with the limiting post, and the drive ring for driving is arranged on the limiting post; past when adding light-cured resin, twist and move the drive ring makes spacing post with the guide rail is not contradicted, slides the slider makes the bottom surface of liquid reserve tank is higher than the storage structure, effectually prevents that the internal pressure of storage structure is too big to cause light-cured resin to leak extremely the inside of liquid reserve tank, after adding the completion, slides the slider makes the storage structure is higher than the liquid reserve tank, past light-cured resin is added to the inside of liquid reserve tank, makes the operation convenient more nimble.
Specifically, the storage structure comprises a valve, a guide pipe, a storage box, a cover plate, a driving rod, a sealing plug, a driving plate, a ball and a sealing ring, the storage box is fixed on the sliding block, one end of the guide pipe is communicated with the storage box, the other end of the guide pipe extends into the storage box, the bottom end of the storage box is provided with the valve for discharging light-cured resin, the top end of the storage box is provided with the cover plate which is detachably connected, the sealing ring with a diamond-shaped cross section for sealing is arranged between the cover plate and the storage box, the driving rod penetrates through the cover plate and extends to the driving plate which slides with the storage box, the driving rod is connected with the cover plate in a sliding manner, the driving rod is connected with the driving plate in a rotating manner, the side wall of the driving plate is provided with the ball which is connected with the storage box in a, the sealing plug is of a frustum pyramid structure; the sealing plug is of a frustum pyramid structure, so that the sealing plug can be guided in the sliding process, the cover plate is opened, light-cured resin is added into the storage box, the driving rod is screwed to enable the sealing plug to be in contact with the liquid level of the light-cured resin, the liquid level of the storage box is lower than that of the liquid storage box, when the light-cured resin is added into the liquid storage box, the sliding block is slid to enable the liquid level of the storage box to be higher than the bottom surface of the liquid storage box, the light-cured resin slowly enters the liquid storage box under the action of gravity, the driving rod can also be driven to drive the driving rod, the driving rod drives the driving plate to slide, the internal pressure of the storage box is increased, the light-cured resin enters the liquid storage box through the guide pipe, and when the light-cured resin in the liquid storage box is cleaned, the liquid level of the storage box, the drive the actuating lever makes the storage box with the space grow that the sealing plug encloses, atmospheric pressure moves photocuring resin and follows the pipe gets into the inside of storage box opens the valve discharges photocuring resin to the inside of storage cylinder, makes to accomodate storage photocuring liquid resin more convenient, and has reduced the contact time of printing structure and photocuring liquid resin and external light source, and the solidification of effectual photocuring liquid resin that prevents has improved the storage quality of photocuring liquid resin greatly.
Specifically, an anti-slip structure is arranged at one end, away from the cover plate, of the driving rod, the anti-slip structure comprises an anti-slip sleeve, a plurality of bulges and two fixture blocks, the two fixture blocks are symmetrically arranged at one end, away from the driving plate, of the driving rod, the anti-slip sleeve in a regular hexagon for limiting is clamped with the fixture blocks, and the bulges in a hemispherical structure are arranged on the side wall of the anti-slip sleeve; the anti-skidding sleeve is of a regular hexagon structure, the use comfort level is improved, and the fixture block is effectively prevented from skidding.
The invention has the beneficial effects that:
(1) according to the photocuring 3D printing method, the storage structure is arranged, so that the photocuring liquid resin in the printing structure can be conveniently stored and stored, the photocuring liquid resin can be conveniently added into the printing structure when the equipment works, the flexibility of operation is greatly improved, meanwhile, the storage structure is arranged on the guide structure, the storage structure on the guide structure can be conveniently adjusted, the photocuring liquid resin can be more conveniently stored and stored, the contact time between the printing structure and the photocuring liquid resin and an external light source is reduced, the photocuring liquid resin is effectively prevented from being cured, and the storage quality of the photocuring liquid resin is greatly improved.
(2) According to the photocuring 3D printing method, the driving structure is arranged, so that printing is more stable, devices with different heights can be conveniently printed, and meanwhile, the shading cover is clamped with the driving structure and the shell of the driving structure, so that the shading cover is more conveniently fixed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a photocuring 3D printer adopted by the method;
FIG. 2 is a schematic view of the connection of the housing to the printing structure shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the driving structure shown in FIG. 1;
FIG. 4 is a schematic view of a connection structure of the sliding sleeve and the guide post shown in FIG. 3;
FIG. 5 is a schematic view of the connection structure of the guiding structure and the storage structure shown in FIG. 1;
FIG. 6 is a schematic view of the connection structure of the slider and the guide rail shown in FIG. 5;
fig. 7 is an enlarged view of the portion a shown in fig. 1.
In the figure: 1. the device comprises a shell, 2, a printing structure, 21, a liquid storage box, 22, a liquid storage box bottom film, 23, a supporting plate, 24, an illuminating lamp, 25, a focusing lens, 26, a Fresnel lens, 27, a polarizing film, 28, a liquid crystal screen, 3, a switch, 4, a lead wire, 5, a driving structure, 51, a sliding sleeve, 52, a guide column, 53, a motor, 54, a fixing plate, 55, a lead screw, 56, a sliding rod, 6, a shading cover, 7, a guiding structure, 71, a sliding block, 72, a guide rail, 73, a limiting column, 74, a driving ring, 75, a limiting groove, 76, a guide groove, 8, a storage structure, 81, a valve, 82, a guide pipe, 83, a storage box, 84, a cover plate, 85, a driving rod, 86, 87, a driving plate, 88, a ball, 89, a sealing ring, 9, an anti-slip structure, 91.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, the photocuring 3D printing method according to the present invention includes the following steps:
s1, inputting the three-dimensional model into a computer;
s2, connecting the computer in the S1 with the photocuring 3D printer in a data connection mode, forming numerical control programming on the three-dimensional model by the computer, and transmitting the numerical control programming to the photocuring 3D printer;
performing three-dimensional printing by using the photocuring 3D printer in S3 or S2;
s4, taking the three-dimensional model printed in the S3 out of the photocuring 3D printer;
s5, putting the three-dimensional model formed in the S4 into a cleaning solution for cleaning;
the photocuring 3D printer adopted in the method comprises a shell 1, a printing structure 2, a switch 3, a lead 4, a driving structure 5, a shading cover 6, a guide structure 7 and a storage structure 8; the shell 1 is provided with the lead 4 electrically connected with the printing structure 2 and the switch 3 for controlling the starting and stopping of the printing structure 2; the printing structure 2 for a printing device is arranged in the shell 1; the printing structure 2 is connected to the driving structure 5 for driving the device to lift; the side wall of the shell 1 is provided with the guide structure 7, the guide structure 7 is fixedly provided with the storage structure 8 for storing the light-cured resin, and the storage structure 8 is detachably connected with the guide structure 7; the light shielding cover 6 is engaged with the housing 1.
Specifically, as shown in fig. 1 and fig. 2, the printing structure 2 of the photo-curing 3D printing method of the present invention includes a liquid storage tank 21, a liquid storage tank bottom film 22, a supporting plate 23, an illuminating lamp 24, a focusing lens 25, a fresnel lens 26, a polarizing film 27, and a liquid crystal screen 28, wherein the illuminating lamp 24, the focusing lens 25, the fresnel lens 26, the polarizing film 27, the liquid crystal screen 28, the liquid storage tank bottom film 22, the liquid storage tank 21, and the supporting plate 23 are sequentially disposed from the bottom end to the top end inside the housing 1, the supporting plate 23 is slidably connected to the liquid storage tank 21, and the wires 4 are electrically connected to the illuminating lamp 24 and the liquid crystal screen 28; the light source of the illuminating lamp 24 penetrates through the focusing lens 25, so that the light source is uniformly distributed, then the light is vertically irradiated onto the polarizing film 27 and the liquid crystal screen 28 through the Fresnel lens 26, the polarizing film 27 is respectively arranged on two sides of the liquid crystal screen 28, the imaging display of the liquid crystal screen 28 is transparent, images can be irradiated onto the light-cured resin through the liquid crystal screen 28, the thin resin liquid between the supporting plate 23 and the liquid storage tank bottom film 22 is cured under the light-transmitting irradiation of the liquid crystal screen 28, the curing part is lifted by the supporting plate 23, the liquid is supplemented, the supporting plate 23 descends again, the thin layer between the supporting plate 23 and the liquid storage tank bottom film 22 is exposed again, and the light-cured resin is cured into a device with a specified shape.
Specifically, as shown in fig. 3 and 4, the driving structure 5 includes a sliding sleeve 51, a guiding post 52, a motor 53, a fixing plate 54, a lead screw 55 and a sliding rod 56, the fixing plate 54 is fixed to the housing 1, the motor 53 is fixed to one end of the fixing plate 54, one end of the fixing plate 54 away from the motor 53 is provided with the rectangular sliding sleeve 51 for guiding, the lead screw 55 is fixed to the motor 53 and extends to the sliding rod 56 for driving, the sliding rod 56 is in threaded connection with the lead screw 55, the sliding rod 56 is in sliding connection with the sliding sleeve 51, the guiding post 52 in a cylindrical structure is arranged on four sides of the sliding rod 56, the guiding post 52 is in sliding connection with the sliding sleeve 51, and the sliding rod 56 is fixed to the supporting plate 23; computer equipment control the motor 53 rotates, motor 53 rotates the drive the lead screw 55 is in the inside rotation of slide bar 56 makes the slide bar 56 is in the inside slip of sliding sleeve 51, the slide bar 56 drive the layer board 23 with the reservoir basement membrane 22 is contradicted, the layer board 23 with very thin resin liquid between the reservoir basement membrane 22 is in the solidification takes place under the liquid crystal screen 28 printing opacity shines, the motor 53 drive the lead screw 55 rotates, the slide bar 56 drive the layer board 23 is mentioned the solidification part, lets the liquid supply come in, the motor 53 drive the layer board 23 descends once more, the layer board 23 with the thin layer between the reservoir basement membrane 22 exposes once more, makes the device of photocuring resin solidification designation shape.
Specifically, as shown in fig. 5 and 6, the guide structure 7 includes a slide block 71, a guide rail 72, a limit post 73, a drive ring 74, a limit groove 75, and a guide groove 76, the guide rail 72 is fixed at one end of the housing 1 away from the liquid storage tank 21, the guide groove 76 for guiding and the limit groove 75 for limiting are provided in the guide rail 72, the slide block 71 is provided in the limit groove 75 and the guide groove 76, the cross section of the slide block 71 is a T-shaped structure, the width of the limit groove 75 is greater than the width of the guide groove 76, the limit post 73 penetrates through the slide block 71 to abut against the guide rail 72, the slide block 71 is in threaded connection with the limit post 73, and the drive ring 74 for driving is provided on the limit post 73; when the inside of storage structure 8 adds light-cured resin, twist and move drive ring 74 makes spacing post 73 with guide rail 72 does not contradict, slides slider 71 makes the bottom surface of liquid reserve tank 21 is higher than storage structure 8, the effectual prevention the internal pressure of storage structure 8 is too big to cause light-cured resin to leak extremely the inside of liquid reserve tank 21, after adding the completion, slides slider 71 makes storage structure 8 is higher than liquid reserve tank 21, past light-cured resin is added to the inside of liquid reserve tank 21, makes the operation convenient and flexible more.
Specifically, as shown in fig. 1 and 5, in the photocuring 3D printing method according to the present invention, the storage structure 8 includes a valve 81, a conduit 82, a storage tank 83, a cover plate 84, a driving rod 85, a sealing plug 86, a driving plate 87, a ball 88, and a sealing ring 89, the storage tank 83 is fixed to the slider 71, one end of the conduit 82 is conducted to the storage tank 83, the other end of the conduit 82 extends into the storage tank 21, the valve 81 for discharging the photocuring resin is disposed at the bottom end of the storage tank 83, the cover plate 84 detachably connected to the top end of the storage tank 83 is disposed at the top end of the storage tank 83, the sealing ring 89 having a diamond-shaped cross section and used for sealing is disposed between the cover plate 84 and the storage tank 83, the driving rod 85 extends through the cover plate 84 to the driving plate 87 sliding with the storage tank 83, and the driving rod 85 is slidably connected, the driving rod 85 is rotatably connected with the driving plate 87, the side wall of the driving plate 87 is provided with the ball 88 which is slidably connected with the storage box 83, one end of the driving plate 87, which is away from the driving rod 85, is provided with the sealing plug 86 for sealing and transforming pressure, and the sealing plug 86 is in a frustum pyramid structure; the sealing plug 86 is of a frustum pyramid structure, so that guiding is facilitated in the sliding process of the sealing plug 86, the cover plate 84 is opened, light-cured resin is added into the storage tank 83, then the driving rod 85 is screwed, the sealing plug 86 is in contact with the liquid level of the light-cured resin, the liquid level of the storage tank 83 is lower than that of the storage tank 21, when the light-cured resin is added into the storage tank 21, the sliding block 71 is slid, the liquid level of the storage tank 83 is higher than the bottom surface of the storage tank 21, the light-cured resin slowly enters the interior of the storage tank 21 under the action of gravity, the driving rod 85 can also be driven, the driving rod 85 drives the driving plate 87 to slide, the internal pressure of the storage tank 83 is increased, the light-cured resin enters the interior of the storage tank 21 through the guide pipe 82, when the light-cured resin in the interior of the storage tank 21 is cleaned, the liquid level of the storage tank 83 is lower than that of the liquid storage tank 21, the driving rod 85 is driven, the space enclosed by the storage tank 83 and the sealing plug 86 is enlarged, the light-cured resin enters the storage tank 83 from the guide pipe 82 under the atmospheric pressure, the valve 81 is opened to discharge the light-cured resin to the inside of the storage cylinder, the light-cured liquid resin is more convenient to store, store and store, the contact time between the printing structure 2 and the light-cured liquid resin thereof and an external light source is shortened, the light-cured liquid resin is effectively prevented from being cured, and the storage quality of the light-cured liquid resin is greatly improved.
Specifically, as shown in fig. 7, according to the photocuring 3D printing method of the present invention, an anti-slip structure 9 is disposed at one end of the driving rod 85 away from the cover plate 84, the anti-slip structure 9 includes an anti-slip sleeve 91, a plurality of protrusions 92 and two fixture blocks 93, the two fixture blocks 93 are symmetrically disposed at one end of the driving rod 85 away from the driving plate 87, the regular hexagonal anti-slip sleeve 91 for limiting is fastened with the fixture blocks 93, and a plurality of protrusions 92 with a hemispherical structure are disposed on a side wall of the anti-slip sleeve 91; the arrangement of the protrusion 92 increases the driving friction force, the use comfort level is improved, the anti-slip sleeve 91 is of a regular hexagon structure, the use comfort level is improved, and the arrangement of the fixture block 93 effectively prevents the anti-slip sleeve 91 from slipping.
Firstly, connecting a wire 4 to computer equipment, adding light-cured resin into the storage structure 8, adding the light-cured resin into the printing structure 2 through the storage structure 8, controlling a program by the computer equipment to enable the printing structure 2 to print a specific device, and adjusting the storage structure 8 after use to enable the light-cured resin in the printing structure 2 to be stored in the storage structure 8; the method specifically comprises the following steps:
(1) firstly, connecting a lead 4 to computer equipment, screwing a driving ring 74 to ensure that a limiting column 73 is not abutted with a guide rail 72, sliding a sliding block 71 to ensure that the bottom surface of a liquid storage box 21 is higher than a storage box 83, effectively preventing light-cured resin from leaking into the liquid storage box 21 due to overlarge internal pressure of the storage box 83, opening a cover plate 84, and adding the light-cured resin into the storage box 83;
(2) the computer equipment controls the motor 53 to rotate, the motor 53 rotates to drive the screw rod 55 to rotate in the sliding rod 56, so that the sliding rod 56 slides in the sliding sleeve 51, the sliding rod 56 drives the supporting plate 23 to abut against the liquid storage tank bottom film 22, the light source of the illuminating lamp 24 penetrates through the focusing lens 25 to enable the light source to be uniformly distributed, then the light is vertically irradiated on the polarizing film 27 and the liquid crystal screen 28 through the Fresnel lens 26, the polarizing film 27 is respectively arranged on two sides of the liquid crystal screen 28, the imaging display of the liquid crystal screen 28 is transparent, the image can be irradiated on the light-cured resin through the liquid crystal screen 28, the thin resin liquid between the supporting plate 23 and the liquid storage tank bottom film 22 is cured under the light-transmitting irradiation of the liquid crystal screen 28, the motor 53 drives the screw rod 55 to rotate, the sliding rod 56 drives the supporting plate 23 to lift up the cured part, the liquid is supplemented, the motor, a device for curing the light-curable resin into a prescribed shape;
(3) adding light-cured resin into the storage tank 83, screwing the driving rod 85 to make the sealing plug 86 contact with the liquid surface of the light-cured resin, making the liquid surface of the storage tank 83 lower than the liquid storage tank 21, when adding the light-cured resin into the liquid storage tank 21, sliding the sliding block 71 to make the liquid level of the storage tank 83 higher than the bottom surface of the liquid storage tank 21, making the light-cured resin slowly enter the liquid storage tank 21 under the action of gravity, and also driving the driving rod 85, the driving rod 85 drives the driving plate 87 to slide, the internal pressure of the storage tank 83 is increased, making the light-cured resin enter the liquid storage tank 21 through the conduit 82, when cleaning the light-cured resin in the liquid storage tank 21, making the liquid level of the storage tank 83 lower than the liquid storage tank 21, driving the driving rod 85 to make the space enclosed by the storage tank 83 and the sealing plug 86 larger, and making the light-cured resin enter the, open valve 81 and discharge photocuring resin to the inside of storage cylinder, it is more convenient to make and accomodate storage photocuring liquid resin, and has reduced print structure 2 and the contact time of photocuring liquid resin and external light source, and the solidification of effectual photocuring liquid resin that prevents has improved the storage quality of photocuring liquid resin greatly.
The storage structure 8 is convenient for storing and storing the light-cured liquid resin inside the printing structure 2, and is convenient for adding the light-cured liquid resin into the printing structure 2 when the equipment works, so that the operation flexibility is greatly improved, meanwhile, the storage structure 8 is arranged on the guide structure 7, and is convenient for adjusting the storage structure 8 on the guide structure 7, so that the light-cured liquid resin is more convenient to store and store, the contact time between the printing structure 2 and the light-cured liquid resin thereof and an external light source is reduced, the light-cured liquid resin is effectively prevented from being cured, the storage quality of the light-cured liquid resin is greatly improved, the driving structure 5 is arranged so that the printing is more stable, meanwhile, the devices with different heights can be conveniently printed, and meanwhile, the shading cover 6 is clamped with the driving structure 5 and the shell 1 thereof, so that the shading cover 6 is more convenient.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A photocuring 3D printing method, characterized in that the method comprises the steps of:
s1, inputting the three-dimensional model into a computer;
s2, connecting the computer in the S1 with the photocuring 3D printer in a data connection mode, forming numerical control programming on the three-dimensional model by the computer, and transmitting the numerical control programming to the photocuring 3D printer;
performing three-dimensional printing by using the photocuring 3D printer in S3 or S2;
s4, taking the three-dimensional model printed in the S3 out of the photocuring 3D printer;
s5, putting the three-dimensional model formed in the S4 into a cleaning solution for cleaning;
the photocuring 3D printer adopted in the method comprises a shell (1), a printing structure (2), a switch (3), a lead (4), a driving structure (5), a shading cover (6), a guide structure (7) and a storage structure (8); the shell (1) is provided with a lead (4) electrically connected with the printing structure (2) and a switch (3) for controlling the starting and stopping of the printing structure (2); the interior of the housing (1) is provided with the printing structure (2) for a printing device; the printing structure (2) is connected to the driving structure (5) for driving the device to lift; the side wall of the shell (1) is provided with the guide structure (7), the guide structure (7) is fixedly provided with the storage structure (8) for storing the light-cured resin, and the storage structure (8) is detachably connected with the guide structure (7); the shading cover (6) is clamped with the shell (1);
the printing structure (2) comprises a liquid storage tank (21), a liquid storage tank bottom film (22), a supporting plate (23), an illuminating lamp (24), a focusing lens (25), a Fresnel lens (26), a polarizing film (27) and a liquid crystal screen (28), wherein the illuminating lamp (24), the focusing lens (25), the Fresnel lens (26), the polarizing film (27), the liquid crystal screen (28), the liquid storage tank bottom film (22), the liquid storage tank (21) and the supporting plate (23) are sequentially arranged in the shell (1) from the bottom end to the top end, the supporting plate (23) is in sliding connection with the liquid storage tank (21), and the conducting wire (4) is electrically connected with the illuminating lamp (24) and the liquid crystal screen (28);
drive structure (5) includes sliding sleeve (51), guide post (52), motor (53), fixed plate (54), lead screw (55) and slide bar (56), fixed plate (54) are fixed in shell (1), motor (53) are fixed in the one end of fixed plate (54), fixed plate (54) deviate from the one end of motor (53) is equipped with the rectangle structure be used for the direction sliding sleeve (51), lead screw (55) are fixed in motor (53) extend to be used for the drive slide bar (56), slide bar (56) with threaded connection between lead screw (55), just slide bar (56) with sliding sleeve (51) sliding connection, be equipped with the cylinder structure on four sides of slide bar (56) guide post (52), guide post (52) with sliding sleeve (51) sliding connection, and the slide bar (56) is fixed to the supporting plate (23);
the guide structure (7) comprises a slide block (71), a guide rail (72), a limit column (73), a drive ring (74), a limit groove (75) and a guide groove (76), the guide rail (72) is fixed at one end of the shell (1) departing from the liquid storage tank (21), the guide rail (72) is internally provided with the guide groove (76) which has a rectangular structure and is used for guiding and the limit groove (75) which is used for limiting, the sliding block (71) is arranged in the limiting groove (75) and the guide groove (76), the cross section of the sliding block (71) is of a T-shaped structure, the width of the limiting groove (75) is larger than that of the guide groove (76), the limiting column (73) penetrates through the sliding block (71) and is abutted against the guide rail (72), the slide block (71) is in threaded connection with the limiting column (73), and the driving ring (74) for driving is arranged on the limiting column (73);
the storage structure (8) comprises a valve (81), a guide pipe (82), a storage box (83), a cover plate (84), a driving rod (85), a sealing plug (86), a driving plate (87), a ball (88) and a sealing ring (89), the storage box (83) is fixed on the sliding block (71), one end of the guide pipe (82) is communicated with the storage box (83), the other end of the guide pipe (82) extends into the storage box (21), the valve (81) used for discharging light-cured resin is arranged at the bottom end of the storage box (83), the cover plate (84) detachably connected is arranged at the top end of the storage box (83), the sealing ring (89) which is diamond-shaped in cross section and used for sealing is arranged between the cover plate (84) and the storage box (83), and the driving rod (85) penetrates through the cover plate (84) and extends to the driving plate (87) sliding with the storage box (83), the driving rod (85) is connected with the cover plate (84) in a sliding mode, the driving rod (85) is connected with the driving plate (87) in a rotating mode, a ball (88) connected with the storage box (83) in a sliding mode is arranged on the side wall of the driving plate (87), a sealing plug (86) used for sealing and transforming is arranged at one end, away from the driving rod (85), of the driving plate (87), and the sealing plug (86) is of a frustum pyramid structure;
an anti-skidding structure (9) is arranged at one end, away from the cover plate (84), of the driving rod (85), the anti-skidding structure (9) comprises an anti-skidding sleeve (91), a plurality of bulges (92) and two clamping blocks (93), the two clamping blocks (93) are symmetrically arranged at one end, away from the driving plate (87), of the driving rod (85), the regular-hexagon anti-skidding sleeve (91) used for limiting is clamped with the clamping blocks (93), and the bulges (92) with the hemispherical structures are arranged on the side wall of the anti-skidding sleeve (91);
when the device works, firstly, the lead (4) is connected to computer equipment, the driving ring (74) is screwed to ensure that the limiting column (73) is not abutted against the guide rail (72), the sliding block (71) is slid to ensure that the bottom surface of the liquid storage tank (21) is higher than the storage tank (83), the light-cured resin is effectively prevented from leaking into the liquid storage tank (21) due to overlarge internal pressure of the storage tank (83), the cover plate (84) is opened, and the light-cured resin is added into the storage tank (83);
the computer equipment controls a motor (53) to rotate, the motor (53) rotates to drive a screw rod (55) to rotate in a sliding rod (56), the sliding rod (56) slides in a sliding sleeve (51), the sliding rod (56) drives a supporting plate (23) to abut against a liquid storage tank bottom film (22), a light source of an illuminating lamp (24) penetrates through a focusing lens (25) to enable the light source to be uniformly distributed, then light rays are vertically irradiated on a polarizing film (27) and a liquid crystal screen (28) through a Fresnel lens (26), polarizing films (27) are respectively arranged on two sides of the liquid crystal screen (28), imaging display of the liquid crystal screen (28) is transparent, images can be irradiated on light-cured resin through the liquid crystal screen (28), thin resin liquid between the supporting plate (23) and the liquid storage tank bottom film (22) is cured under the light-transmitting irradiation of the liquid crystal screen (28), the motor (53) drives the screw rod (55) to rotate, the sliding rod (56) drives the supporting plate (23) to lift up the cured part to allow liquid to be supplemented, the motor (53) drives the supporting plate (23) to descend again, and the thin layer between the supporting plate (23) and the liquid storage tank bottom film (22) is exposed again to cure the light-cured resin into a device with a specified shape;
adding light-cured resin into the storage tank (83), screwing the driving rod (85) to enable the sealing plug (86) to be in contact with the liquid level of the light-cured resin, enabling the liquid level of the storage tank (83) to be lower than the liquid storage tank (21), sliding the sliding block (71) when the light-cured resin is added into the liquid storage tank (21), enabling the liquid level of the storage tank (83) to be higher than the bottom surface of the liquid storage tank (21), enabling the light-cured resin to slowly enter the liquid storage tank (21) under the action of gravity, and also driving the driving rod (85), enabling the driving rod (87) to slide by the driving rod (85), enabling the internal pressure of the storage tank (83) to be increased, enabling the light-cured resin to enter the inside of the liquid storage tank (21) through the guide pipe (82), enabling the liquid level of the storage tank (83) to be lower than the liquid storage tank (21) when the light-cured resin in the liquid storage tank (21) is cleaned, driving the driving rod (, atmospheric pressure moves the inside that photocuring resin got into storage box (83) from pipe (82), opens valve (81) and discharges photocuring resin to the inside of storage cylinder, and it is more convenient to make to accomodate storage photocuring liquid resin, and has reduced print structure (2) and the contact time of photocuring liquid resin and external light source, and the effectual photocuring liquid resin solidification that prevents has improved the storage quality of photocuring liquid resin greatly.
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| CN110789125A (en) * | 2019-12-05 | 2020-02-14 | 恒通西交智能机器(广东)有限公司 | Photocuring 3D printer and resin strorage device thereof |
| CN115592946A (en) * | 2022-10-19 | 2023-01-13 | 深圳锐沣科技有限公司（Cn） | Photocuring three-dimensional inkjet printer |
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Effective date of registration: 20200828 Address after: 225300 Three Groups of Luzhuang Village, Jiulong Town, Taizhou City, Jiangsu Province Applicant after: TAIZHOU YANGFAN VEHICLE PARTS Co.,Ltd. Address before: 311258 Hangzhou Xianlin 3D Technology Co., Ltd. No. 1398 Xiangbin Road, Wenyan Street, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant before: Zhang Mengru |
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