CN108688151B - DLP photocuring 3D printing method - Google Patents
DLP photocuring 3D printing method Download PDFInfo
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- CN108688151B CN108688151B CN201810491007.6A CN201810491007A CN108688151B CN 108688151 B CN108688151 B CN 108688151B CN 201810491007 A CN201810491007 A CN 201810491007A CN 108688151 B CN108688151 B CN 108688151B
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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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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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
- B29C64/30—Auxiliary operations or equipment
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/35—Cleaning
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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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- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention relates to the field of printers, in particular to a DLP photocuring 3D printing method. According to the invention, the printed model is cut and separated by using the hand-pushed high-speed rotating saw blade, so that the model and the supporting plate are quickly separated, meanwhile, the saw blade can be cleaned by the sponge block, the cutting efficiency is ensured to be higher, meanwhile, the resin adhered to the surface of the supporting plate can be scraped by using the scraper, and meanwhile, the supporting plate can be detached, so that the use is convenient and fast; the printing efficiency is high, and the pollution of the printed resin to the environment is reduced.
Description
Technical Field
The invention relates to the field of printers, in particular to a DLP photocuring 3D printing method.
Background
The photocuring type 3D printer is based on a photocuring forming principle, consumables of the photocuring type 3D printer are photosensitive resin, forming precision is high, surface effect is good, and the surface of the photocuring type 3D printer is smoother than that of a model made of PLA material; according to different light sources, the light source can be subdivided into two light curing machines of SLA and DLP; the DLP type photocuring 3D printer is high in speed, and a light source of the DLP type photocuring 3D printer comes from a projector or an LED screen; by irradiating the cut surface of one mold with white light each time to the resin, the unmolded portion was black, and by molding one surface at a time in this manner, the speed advantage was significant, but the accuracy was slightly lower than SLA.
DLP formula photocuring 3D printer need take out the model after printing the completion, utilizes the shovel to shovel out the model when current model takes out, and this kind of mode is inefficient, and current DLP formula photocuring 3D printer can only print a model in proper order simultaneously, is fit for the production of small batch volume, has certain limitation. In view of this, the present invention provides a DLP photocuring 3D printing method, which has the following characteristics:
(1) according to the DLP photocuring 3D printing method, after printing is completed, the printed model is cut and separated by the aid of the hand-pushed high-speed rotating saw blade, the model is quickly separated from the supporting plate, the saw blade can be cleaned through the sponge block, cutting efficiency is guaranteed, resin stuck to the surface of the supporting plate can be scraped by the aid of the scraper, and the supporting plate is detachable and convenient to use.
(2) According to the DLP photocuring 3D printing method, the printing mechanism moves, the two sides of the sliding block are connected with the other sliding sleeve through the connecting rod to drive the second printing head to move, the three models can be printed at the same time, and the printing efficiency is high.
(3) According to the DLP photocuring 3D printing method, the air generated by printing is discharged after being filtered by the activated carbon filter screen and the nanometer light-touch coal plate by the aid of the fan, and pollution of printed resin to the environment is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a DLP photocuring 3D printing method, wherein a DLP photocuring 3D printer adopted by the method supports, takes and places a model to be printed through a supporting mechanism, the first printing mechanism and the second printing mechanism can be simultaneously carried out, so that the printing efficiency is improved, the protection mechanism is convenient for square pens in the printing and gas treatment and purification, and the demolding mechanism is convenient for the printed model to be rapidly taken out; the printed model is cut and separated by the hand-pushed saw blade rotating at a high speed, so that the model is quickly separated from the supporting plate, meanwhile, the saw blade can be cleaned through the sponge block, the cutting efficiency is ensured to be higher, meanwhile, the resin adhered to the surface of the supporting plate can be scraped by the scraper blade, and meanwhile, the supporting plate can be detached and is convenient and fast to use; the printing mechanism moves, and both sides of the sliding block are connected with another sliding sleeve through the connecting rod to drive the second printing head to move, so that the three models can be printed simultaneously, and the printing efficiency is high; and the gas generated by printing is discharged after being filtered by the activated carbon filter screen and the nanometer light touch coal plate by using a fan, so that the pollution of the printed resin to the environment is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: a DLP 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 DLP photocuring 3D printer in a data connection mode, forming numerical control programming on the three-dimensional model by the computer, and conveying the numerical control programming to the DLP photocuring 3D printer;
the DLP photocuring 3D printer in the S3 and S2 performs three-dimensional printing;
s4, taking the printed three-dimensional model in the S3 out of the DLP photocuring 3D printer;
s5, putting the three-dimensional model formed in the S4 into a cleaning solution for cleaning;
the DLP photocuring 3D printer adopted in the method comprises a supporting mechanism, a printer body, a first printing mechanism, a protection mechanism, a second printing mechanism and a demolding mechanism; the first printing mechanism is fixed on the top of the printer body, and the supporting mechanism is installed on the top of the printer body; the top of the supporting mechanism is slidably connected with the demolding mechanism for demolding the model; the first printing mechanism is connected with the two second printing mechanisms for simultaneous printing; the top of the printer body is fixed with the protection mechanism used for removing peculiar smell and avoiding the printing model from being interfered.
Specifically, the protection mechanism comprises an air outlet, an active carbon filter screen, a nanometer light touch coal plate, a fan, a protection cover and a movable plate, wherein the protection cover is fixed at the top of the printer body, and the air outlet is formed in the top of the protection cover; the fan is installed at the bottom of the protective cover, and the active carbon filter screen and the nanometer light touch coal plate are arranged at the top end inside the protective cover; the side of the protection cover is connected with the movable plate in a sliding mode.
Specifically, the supporting mechanism comprises an insertion rod, a bracket, a supporting plate and a spring, the bracket is mounted at the top of the printer body, and the spring is arranged inside the bracket; the supporting plate is arranged at the top of the spring, and the insertion groove is formed in the side part of the supporting plate; and a clamping groove is formed in the surface of the bracket, and the clamping groove is matched with the insertion groove to be connected with the insertion rod.
Specifically, the insertion groove is formed in the center of the side of the insertion rod, and the insertion rod is slidably connected to the inside of the clamping groove; two sides of the insertion rod extend outwards, and the insertion rod is connected with the clamping groove in a sliding mode; the insertion rod is inserted into the inside of the insertion groove.
Specifically, the first printing mechanism comprises a first pneumatic guide rail, a first pneumatic slider, a second pneumatic guide rail, a second pneumatic slider and a first printing head, the first pneumatic guide rail is fixed at the top of the printer body, the outer side of the first pneumatic guide rail is connected with the first pneumatic slider in a sliding manner, and the lateral part of the first pneumatic slider is fixed with the second pneumatic guide rail; the outer side of the second pneumatic guide rail is connected with the second pneumatic sliding block in a sliding mode, and the bottom of the second pneumatic sliding block is provided with the first printing head.
Specifically, the second printing mechanism comprises a vertical rod, a first sliding sleeve, a cross rod, a second sliding sleeve, a second printing head, a first connecting rod and a second connecting rod, the vertical rod is fixed at the top of the printing machine body, and the outer side of the vertical rod is sleeved with the first sliding sleeve; the first sliding sleeve is connected with the first pneumatic sliding block through the first connecting rod, and the side part of the first sliding sleeve is fixed with the cross rod; the outer side of the cross rod is sleeved with the second sliding sleeve, and the second sliding sleeve is connected with the second pneumatic sliding block through the second connecting rod; the bottom of the second sliding sleeve is used for fixing the second printing head.
Specifically, the number of the second printing mechanisms is two, and the distance from the two second printing mechanisms to the first printing mechanism is the same as the distance between the two support plates.
Specifically, the demolding mechanism comprises a sponge block, a saw blade, an outer protective shell, a scraper and a motor, wherein the outer protective shell is connected with the printer body in a sliding mode, and the saw blade is installed inside the outer protective shell; the motor is arranged at the center of the saw blade; the sponge block is arranged on the outer side of the saw blade; the bottom of the outer protective shell is provided with the scraper.
Specifically, the section of the sponge block adopts a structure in the shape of a Chinese character kou with an opening at the side part, and the sponge block is arranged inside two ends of the outer protective shell; the lateral part equidistance of outer protective housing is equipped with a plurality of inclination and is 45 the scraper blade.
The invention has the beneficial effects that:
(1) according to the DLP photocuring 3D printing method, after printing is completed, the printed model is cut and separated by the aid of the hand-pushed high-speed rotating saw blade, the model is quickly separated from the supporting plate, the saw blade can be cleaned through the sponge block, cutting efficiency is guaranteed, resin stuck to the surface of the supporting plate can be scraped by the aid of the scraper, and the supporting plate is detachable and convenient to use.
(2) According to the DLP photocuring 3D printing method, the printing mechanism moves, the two sides of the sliding block are connected with the other sliding sleeve through the connecting rod to drive the second printing head to move, the three models can be printed at the same time, and the printing efficiency is high.
(3) According to the DLP photocuring 3D printing method, the air generated by printing is discharged after being filtered by the activated carbon filter screen and the nanometer light-touch coal plate by the aid of the fan, and pollution of printed resin to the environment is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a DLP photocuring 3D printer adopted by the method;
FIG. 2 is a schematic structural view of the side portion shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A shown in FIG. 1;
FIG. 4 is a schematic structural view of the support mechanism shown in FIG. 1;
FIG. 5 is an enlarged view of the structure at B in FIG. 5;
fig. 6 is a schematic structural view of the mold-releasing mechanism shown in fig. 4.
In the figure: 1. the printing device comprises a protection mechanism, 11, an air outlet hole, 12, an activated carbon filter screen, 13, a nanometer light touch coal plate, 14, a fan, 15, a protective cover, 16, a movable plate, 2, a supporting mechanism, 21, an insertion rod, 22, a bracket, 221, a clamping groove, 23, a supporting plate, 231, an insertion groove, 24, a spring, 3, a printer body, 4, a first printing mechanism, 41, a first pneumatic guide rail, 42, a first pneumatic slide block, 43, a second pneumatic guide rail, 44, a second pneumatic slide block, 45, a first printing head, 5, a second printing mechanism, 51, a vertical rod, 52, a first sliding sleeve, 53, a cross rod, 54, a second sliding sleeve, 55, a second printing head, 56, a first connecting rod, 57, a second connecting rod, 6, a demoulding mechanism, 61, a sponge block, 62, a saw blade, 63, an outer protective shell, 64, a scraper blade, 65 and a motor.
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 DLP 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 DLP photocuring 3D printer in a data connection mode, forming numerical control programming on the three-dimensional model by the computer, and conveying the numerical control programming to the DLP photocuring 3D printer;
the DLP photocuring 3D printer in the S3 and S2 performs three-dimensional printing;
s4, taking the printed three-dimensional model in the S3 out of the DLP photocuring 3D printer;
s5, putting the three-dimensional model formed in the S4 into a cleaning solution for cleaning;
the DLP photocuring 3D printer adopted in the method comprises a supporting mechanism 2, a printer body 3, a first printing mechanism 4, a protection mechanism 1, a second printing mechanism 5 and a demolding mechanism 6; the first printing mechanism 4 is fixed on the top of the printer body 3, and the supporting mechanism 2 is installed on the top of the printer body 3; the top of the supporting mechanism 2 is connected with the demoulding mechanism 6 used for demoulding the model in a sliding way; the first printing mechanism 4 is connected with two second printing mechanisms 5 for simultaneous printing; the top of the printer body 3 is fixed with the protection mechanism 1 for removing peculiar smell and avoiding the printing model from being interfered.
Specifically, as shown in fig. 1 and 2, the protection mechanism 1 includes an air outlet 11, an activated carbon filter 12, a nano light-contact coal plate 13, a fan 14, a protection cover 15 and a movable plate 16, the protection cover 15 is fixed to the top of the printer body 3, and the air outlet 11 is formed in the top of the protection cover 15; the fan 14 is installed at the bottom of the protective cover 15, and the activated carbon filter screen 12 and the nano light touch coal plate 13 are arranged at the top end inside the protective cover 15; the side sliding connection of protection casing 15 fly leaf 16 opens fan 14 can utilize fan 14 collects the gas of inside printing, utilizes active carbon filter screen 12 nanometer light touches coal board 13 and purifies back discharge to gas, reduces the influence to the environment.
Specifically, as shown in fig. 1, 4 and 5, the supporting mechanism 2 includes an insertion rod 21, a bracket 22, a supporting plate 23 and a spring 24, the bracket 22 is mounted on the top of the printer body 3, and the spring 24 is disposed inside the bracket 22; the supporting plate 23 is arranged at the top of the spring 24, and the insertion groove 231 is formed in the side part of the supporting plate 23; the surface of the bracket 22 is provided with a clamping groove 221, the clamping groove 221 is matched with the insertion groove 231 to connect the insertion rod 21, so that the model is separated from the supporting plate 23, if the supporting plate 23 and the model are required to be integrally taken out, the insertion rod 21 is moved to draw out the insertion rod 21 from the clamping groove 221, and then the supporting plate 23 is popped out under the action of the spring 24, so that the supporting plate 23 can be taken out.
Specifically, as shown in fig. 1 and 5, the insertion slot 231 is opened at the center of the side portion of the insertion rod 21, and the insertion rod 21 is slidably connected to the inside of the card slot 221; two sides of the insertion rod 21 extend outwards, and the insertion rod 21 is slidably connected with the clamping groove 221; the insertion rod 21 is inserted into the insertion groove 231 to improve overall stability.
Specifically, as shown in fig. 1 and 2, the first printing mechanism 4 includes a first pneumatic guide rail 41, a first pneumatic slider 42, a second pneumatic guide rail 43, a second pneumatic slider 44, and a first printing head 45, the outer side of the first pneumatic guide rail 41 is slidably connected to the first pneumatic slider 42, and the side of the first pneumatic slider 42 fixes the second pneumatic guide rail 43; the outer side of the second pneumatic guide rail 43 is slidably connected to the second pneumatic slider 44, the first printing head 45 is mounted at the bottom of the second pneumatic slider 44, and the first printing head 45 is driven to move by the sliding of the first pneumatic slider 42 and the second pneumatic slider 44 so as to facilitate 3D printing.
Specifically, as shown in fig. 1 and 3, the second printing mechanism 5 includes an upright 51, a first sliding sleeve 52, a cross bar 53, a second sliding sleeve 54, a second print head 55, a first connecting rod 56, and a second connecting rod 57, the upright 51 is fixed to the top of the printer body 3, and the outer side of the upright 51 is sleeved with the first sliding sleeve 52; the first sliding bush 52 is connected with the first pneumatic sliding block 42 through the first connecting rod 56, and the lateral part of the first sliding bush 52 fixes the cross rod 53; the outer side of the cross bar 53 is sleeved with the second sliding sleeve 54, and the second sliding sleeve 54 is connected with the second pneumatic sliding block 44 through the second connecting rod 57; the bottom of the second sliding sleeve 54 is fixed with the second printing head 55, the first pneumatic slider 42 can drive the first sliding sleeve 52 to move through the first connecting rod 56 when moving, and the second pneumatic slider 44 can drive the second sliding sleeve 54 to move through the second connecting rod 57 when moving, so that the whole second printing head 55 and the first printing head 45 move in the same action, and therefore three prints can be performed efficiently at the same time.
Specifically, as shown in fig. 1 and 2, two symmetrical second printing mechanisms 5 are provided, and the distance from the two second printing mechanisms 5 to the first printing mechanism 4 is the same as the distance between the pallets 23, in order to improve the printing efficiency.
Specifically, as shown in fig. 1 and 6, the demolding mechanism 6 includes a sponge block 61, a saw blade 62, an outer protective shell 63, a scraper 64 and a motor 65, the outer protective shell 63 is slidably connected to the printer body 3, and the saw blade 62 is mounted inside the outer protective shell 63; the motor 65 is arranged at the center of the saw blade 62; the sponge block 61 is arranged on the outer side of the saw blade 62; the bottom of the outer protective shell 63 is provided with the scraping plate 64, the outer protective shell 63 is pushed by hand, the motor 65 is turned on, the motor 65 is utilized to drive the saw blade 62 to rotate, the printed model is cut by the moved saw blade, the model is separated from the supporting plate 23, and the resin on the surface is scraped by the scraping plate 64.
Specifically, as shown in fig. 1 and 6, the section of the sponge block 61 is in a square structure with an opening at the side, and the sponge block 61 is arranged inside two ends of the outer protective shell 63; the side part of the outer protective shell 63 is equidistantly provided with a plurality of the scrapers 64 with the inclination angle of 45 degrees, so that the saw blades 62 can be cleaned conveniently.
The supporting mechanism 2 is used for supporting and taking and placing a model to be printed, the first printing mechanism 4 and the second printing mechanism can be used for simultaneously improving the printing efficiency, the protection mechanism 1 is used for conveniently carrying out square pen on the inside of the printing and is convenient for gas treatment and purification, and the demolding mechanism 6 is used for quickly taking out the printed model; the method specifically comprises the following steps:
(1) when the printer is used, the first pneumatic slider 42 can drive the first sliding sleeve 52 to move through the first connecting rod 56 when moving, the second pneumatic slider 44 can drive the second sliding sleeve 54 to move through the second connecting rod 57 when moving, the whole second printing head 55 and the first printing head 45 can move in the same action, so that the three printing processes are performed efficiently at the same time, the fan 14 is turned on, the internally printed gas can be collected by the fan 14, and the gas is purified and discharged by the activated carbon filter screen 12 and the nano optical touch coal plate 13, so that the influence on the environment is reduced;
(2) after printing, the movable plate 16 can be pulled, the outer protective shell 63 is pushed by hand, the motor 65 is opened, the motor 65 drives the saw blade 62 to rotate, the printed model is cut by the moved saw blade, the model is separated from the supporting plate 23, resin on the surface is scraped by the scraper 64, the supporting plate 23 is cleaned, if the supporting plate 23 and the model are required to be integrally taken out, the inserting rod 21 is moved, the inserting rod 21 is taken out from the clamping groove 221, and then the supporting plate 23 is ejected out under the action of the spring 24, so that the supporting plate 23 can be taken out.
After printing is finished, the printed model is cut and separated by the hand-pushed saw blade 62 rotating at a high speed, so that the model is quickly separated from the supporting plate 23, meanwhile, the saw blade 62 can be cleaned by the sponge block 61, so that the cutting efficiency is ensured, meanwhile, the resin adhered to the surface of the supporting plate 23 can be scraped by the scraper 64, and meanwhile, the supporting plate 23 can be detached, so that the use is convenient and fast; the printing mechanism moves, and two sides of the sliding block are connected with another sliding sleeve through the connecting rod to drive the second printing head 55 to move, so that the three models can be printed at the same time, and the printing efficiency is high; and the air generated by printing is discharged after being filtered by the activated carbon filter screen 12 and the nanometer light touch coal plate 13 by using the fan 14, so that the pollution of the printed resin to the environment is reduced.
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 (2)
1. A DLP photocuring 3D printing method is characterized by comprising the following steps:
s1, inputting the three-dimensional model into a computer;
s2, connecting the computer in the S1 with the DLP photocuring 3D printer in a data connection mode, forming numerical control programming on the three-dimensional model by the computer, and conveying the numerical control programming to the DLP photocuring 3D printer;
the DLP photocuring 3D printer in the S3 and S2 performs three-dimensional printing;
s4, taking the printed three-dimensional model in the S3 out of the DLP photocuring 3D printer;
s5, putting the three-dimensional model formed in the S4 into a cleaning solution for cleaning;
DLP photocuring 3D printer that adopts in above-mentioned method includes supporting mechanism (2), printer body (3) and first printing mechanism (4), its characterized in that: the printing device also comprises a protection mechanism (1), a second printing mechanism (5) and a demoulding mechanism (6); the top of the printer body (3) is fixed with the first printing mechanism (4), and the top of the printer body (3) is provided with the supporting mechanism (2); the top of the supporting mechanism (2) is connected with the demoulding mechanism (6) used for demoulding the model in a sliding way; the first printing mechanism (4) is connected with two second printing mechanisms (5) for simultaneous printing; the top of the printer body (3) is fixedly provided with the protection mechanism (1) for removing peculiar smell and avoiding a printing model from being interfered;
the supporting mechanism (2) comprises an insertion rod (21), a bracket (22), a supporting plate (23) and a spring (24), the bracket (22) is installed at the top of the printer body (3), and the spring (24) is arranged inside the bracket (22); the supporting plate (23) is arranged at the top of the spring (24), and an insertion groove (231) is formed in the side part of the supporting plate (23); a clamping groove (221) is formed in the surface of the bracket (22), and the clamping groove (221) is matched with the insertion groove (231) to be connected with the insertion rod (21);
the insertion groove (231) is arranged at the center of the side part of the insertion rod (21), and the insertion rod (21) is connected to the inside of the clamping groove (221) in a sliding manner; two sides of the insertion rod (21) extend outwards, and the insertion rod (21) is connected with the clamping groove (221) in a sliding mode; the insertion rod (21) is inserted into the insertion groove (231);
the first printing mechanism (4) comprises a first pneumatic guide rail (41), a first pneumatic sliding block (42), a second pneumatic guide rail (43), a second pneumatic sliding block (44) and a first printing head (45), the first pneumatic guide rail (41) is fixed to the top of the printer body (3), the outer side of the first pneumatic guide rail (41) is connected with the first pneumatic sliding block (42) in a sliding mode, and the second pneumatic guide rail (43) is fixed to the side portion of the first pneumatic sliding block (42); the outer side of the second pneumatic guide rail (43) is connected with the second pneumatic slide block (44) in a sliding mode, and the first printing head (45) is installed at the bottom of the second pneumatic slide block (44);
the second printing mechanism (5) comprises an upright rod (51), a first sliding sleeve (52), a cross rod (53), a second sliding sleeve (54), a second printing head (55), a first connecting rod (56) and a second connecting rod (57), the top of the printer body (3) is fixed by the upright rod (51), and the first sliding sleeve (52) is sleeved outside the upright rod (51); the first sliding sleeve (52) is connected with the first pneumatic sliding block (42) through the first connecting rod (56), and the side part of the first sliding sleeve (52) is fixed with the cross rod (53); the outer side of the cross rod (53) is sleeved with the second sliding sleeve (54), and the second sliding sleeve (54) is connected with the second pneumatic sliding block (44) through the second connecting rod (57); the bottom of the second sliding sleeve (54) fixes the second printing head (55);
the number of the second printing mechanisms (5) is two, and the distance from the two second printing mechanisms (5) to the first printing mechanism (4) is the same as the distance between the supporting plates (23);
the demolding mechanism (6) comprises a sponge block (61), a saw blade (62), an outer protective shell (63), a scraper (64) and a motor (65), the outer protective shell (63) is connected with the printer body (3) in a sliding mode, and the saw blade (62) is installed inside the outer protective shell (63); the motor (65) is arranged at the center of the saw blade (62); the sponge block (61) is arranged on the outer side of the saw blade (62); the bottom of the outer protective shell (63) is provided with the scraper (64);
the section of the sponge block (61) is of a square structure with an opening at the side part, and the sponge block (61) is arranged inside two ends of the outer protective shell (63); a plurality of scraping plates (64) with the inclination angle of 45 degrees are equidistantly arranged on the side part of the outer protective shell (63);
when the printer is used, the first pneumatic sliding block (42) can drive the first sliding sleeve (52) to move through the first connecting rod (56) when moving, the second pneumatic sliding block (44) can drive the second sliding sleeve (54) to move through the second connecting rod (57) when moving, the whole second printing head (55) and the first printing head (45) move in the same action mode, therefore, the three printing processes are high in efficiency at the same time, the fan (14) is turned on, the gas printed inside can be collected through the fan (14), the gas is purified and then discharged through the activated carbon filter screen (12) and the nanometer light touch coal plate (13), and the influence on the environment is reduced;
after printing, but pull fly leaf (16), hand push outer protecting crust (63), open motor (65), utilize motor (65) to drive saw blade (62) are rotatory utilize the saw blade that removes to cut the model that the printing was accomplished, make the model with layer board (23) separation, and utilize scraper blade (64) strike off the resin on surface, accomplish the clearance of layer board (23), if need holistic taking out layer board (23) and model, then remove inserted bar (21), make inserted bar (21) follow draw-in groove (221) are taken out, then layer board (23) are in pop out under the effect of spring (24), can take out layer board (23).
2. The DLP photocuring 3D printing method of claim 1, wherein: the protection mechanism (1) comprises air outlet holes (11), an active carbon filter screen (12), a nanometer light touch coal plate (13), a fan (14), a protection cover (15) and a movable plate (16), wherein the protection cover (15) is fixed at the top of the printer body (3), and the air outlet holes (11) are formed in the top of the protection cover (15); the fan (14) is installed at the bottom of the protective cover (15), and the activated carbon filter screen (12) and the nanometer light-contact coal plate (13) are arranged at the top end inside the protective cover (15); the side surface of the protective cover (15) is connected with the movable plate (16) in a sliding way.
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| CN109514864A (en) * | 2018-12-28 | 2019-03-26 | 苏州慧通汇创科技有限公司 | A kind of DLP laser fast shaping 3D printer support platform that can quickly adjust |
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| KR20160112482A (en) * | 2015-03-19 | 2016-09-28 | 엘지전자 주식회사 | 3d printer |
| CN204955421U (en) * | 2015-07-29 | 2016-01-13 | 武汉奥尔克特科技有限公司 | 3D printer machine case with thermostatic control function |
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