CN111391311A - Multi-laser automatic liquid supplementing sla3D printer - Google Patents

Multi-laser automatic liquid supplementing sla3D printer Download PDF

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Publication number
CN111391311A
CN111391311A CN202010142912.8A CN202010142912A CN111391311A CN 111391311 A CN111391311 A CN 111391311A CN 202010142912 A CN202010142912 A CN 202010142912A CN 111391311 A CN111391311 A CN 111391311A
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China
Prior art keywords
fixedly connected
box
liquid
sleeve
fluid infusion
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Granted
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CN202010142912.8A
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Chinese (zh)
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CN111391311B (en
Inventor
柳伟
孙乾
石文沛
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Yuncheng Rye Technology Co ltd
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Yuncheng Rye Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/10Processes of additive manufacturing
    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124Processes 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
    • B29C64/129Processes 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 characterised by the energy source therefor, e.g. by global irradiation combined with a mask
    • B29C64/135Processes 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 characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/255Enclosures for the building material, e.g. powder containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)

Abstract

The invention discloses a multi-laser automatic liquid supplementing sla3D printer, which comprises a casing, wherein a bearing plate is fixedly connected to the inner side of the casing, a laser head is movably connected to the bottom surface of the bearing plate, a guide rail is fixedly connected to the top surface of the bearing plate, and a lifting plate is movably connected to the front surface of the guide rail in a sliding manner. The invention relates to the field of 3D printing equipment. This automatic fluid infusion sla3D printer of many lasers passes through devices such as loading board and straight tube, the scale through the straight tube bottom can be judged the inside photosensitive resin reserves of fluid infusion case, the quality of photosensitive resin has been ensured, it is rotten has been delayed, realized supplying with gently to photosensitive resin fluid infusion in-process through sleeve pipe and rubber clamp plate, product quality has been promoted, scraping of doctor-bar and scraper has been avoided the photosensitive resin to condense at the rubber clamp plate surface and has been blockked up, equipment trouble has been reduced. The problems that the photosensitive resin storage amount of the printer is unclear, ripples are easily generated during liquid replenishing to influence the product quality, and a liquid replenishing port is easily blocked are solved.

Description

Multi-laser automatic liquid supplementing sla3D printer
Technical Field
The invention relates to the field of 3D printing equipment, in particular to a multi-laser automatic liquid supplementing sla3D printer.
Background
Based on the principle that photosensitive resin is irradiated and solidified by ultraviolet light, a computer controls laser to scan and solidify liquid photosensitive resin layer by layer, each layer of solidified section is obtained by layering three-dimensional CAD model software of a part until a real object prototype of the photosensitive resin is finally obtained, and photocuring rapid prototyping is required to be the highest precision and the smoothest surface in the 3D printing technology.
In the actual printing process, along with the lifting plate position that is bearing the product improves gradually, the liquid level in the hydrops box that bears the weight of resin reduces gradually, influences the successive layer printing of follow-up laser head very easily, need carry out real-time the replenishment to photosensitive resin at the actual in-process of printing. Since the curing of the photosensitive resin is affected by ultraviolet rays, and ultraviolet rays exist in real time in real environments, it is difficult for the opaque storage device to determine the amount of the photosensitive resin stored in the device. When the device is used, the resin is solidified due to the irradiation of the laser head, the overlarge supplement instantaneous flow to the liquid accumulation box easily generates larger flowing ripples on the liquid level of the resin in the box body, the product forming effect is influenced, the resin is easy to condense at the liquid supplement position of the device to form a block due to certain viscosity, and the device is very inconvenient to use,
disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-laser automatic liquid supplementing sla3D printer, which solves the problems that the photosensitive resin storage capacity of the printer is unclear, ripples are easily generated during liquid supplementing to influence the product quality, and a liquid supplementing port is easily blocked.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an automatic fluid infusion sla3D printer of multi-laser, includes the casing, the inboard fixedly connected with loading board of casing, the bottom surface swing joint of loading board has the laser head, the top surface fixedly connected with guide rail of loading board, the positive swing joint of guide rail has the sliding connection to lift the board, the top surface of loading board just is in the positive fixedly connected with hydrops box of guide rail, it cup joints to lift the board activity in the hydrops box.
The left side fixedly connected with fluid infusion device of hydrops box inner wall, the input of fluid infusion device runs through the inner wall of hydrops box and extends to its left side.
The left side fixedly connected with transmission of loading board, transmission runs through the casing and extends to its left side.
The middle part of the left side of the shell is fixedly connected with a connecting plate, the top side of the connecting plate is movably connected with a liquid supplementing box, the bottom of the liquid supplementing box is fixedly connected and communicated with the liquid supplementing device, and the right side of the liquid supplementing box is movably connected with the transmission device.
Preferably, the bottom of the inner wall of the fluid infusion box is fixedly connected with an insertion tube, a valve rubber plug is fixedly sleeved in the insertion tube, the top side of the valve rubber plug is movably connected with a sealing spring, a through hole penetrating through the fluid infusion box and the inner side of the insertion tube is formed in the top side of the insertion tube surface and the valve rubber plug, and the fluid infusion device penetrates through the inner side of the valve rubber plug and is communicated with the inner part of the fluid infusion box.
The right side fixedly connected with slider of fluid infusion case, the left side fixedly connected with slide rail of casing, slider sliding connection be in the slide rail.
Preferably, the liquid supplementing device comprises a sleeve, the sleeve is fixedly inserted in the front side of the bottom surface of the inner wall of the liquid accumulating box, a control pipe is inserted in the top side of the left end of the sleeve, an electromagnetic valve is installed at the top of the control pipe, a liquid level sensor is electrically connected with the control valve of the electromagnetic valve through a lead, and the liquid level sensor is embedded in the left side of the inner wall of the liquid accumulating box.
The back of the sleeve is provided with a liquid supplementing through hole which is rectangular, the upper side and the lower side of the outer surface of the liquid supplementing through hole are both bonded with rubber press plates, a U-shaped rod is movably inserted in the sleeve, one end of the U-shaped rod penetrates through the right side of the sleeve and extends to the back of the sleeve, the back side of the U-shaped rod is welded with a scraper and two scrapers, the scraper and the scrapers are jointed and abutted with the inner side and the outer side of the rubber pressing plate, one end of the U-shaped rod in the sleeve is fixedly connected with a rubber sealing plate which is tightly attached to the inner wall of the sleeve, the right end of the rubber seal plate is movably connected with the right side of the inner wall of the sleeve through an extension spring, one end of the rubber seal plate, which is far away from the U-shaped rod, is fixedly connected with a transmission rope, the transmission rope penetrates through the left end of the sleeve and extends to the outside of the sleeve, and the left end of the transmission rope is fixedly connected with the transmission device.
The surface of the control pipe is fixedly sleeved with a hose, one end of the hose is fixedly connected with a straight pipe communicated with the hose, the straight pipe vertically penetrates through the surface of the connecting plate, a loading pressing plate is welded in the middle of the straight pipe, a pressure spring is sleeved on the surface of the straight pipe, two ends of the pressure spring are respectively fixedly connected with the bottom surface of the loading pressing plate and the top surface of the connecting plate, the liquid replenishing box is placed on the top surface of the loading pressing plate, the top end of the straight pipe is fusiform, and the top end of the straight pipe is inserted at the bottom side of the liquid replenishing box.
Preferably, the wiper blade is a U-shaped metal sheet, the number of the wiper blades is two, and the two wiper blades are axisymmetric with respect to the U-shaped rod.
Preferably, the straight pipe is formed by welding a solid rod and a hollow pipe, the solid section of the straight pipe is arranged on the lower hollow section, the hose is fixedly connected and communicated with the hollow section of the straight pipe, and scales are etched at the bottom end of the straight pipe.
Preferably, the transmission device comprises a guide rod, the guide rod is fixedly inserted in the left side of the top surface of the bearing plate, a linkage plate is movably sleeved on the surface of the guide rod, the right side of the linkage plate is fixedly connected with the left end of the transmission rope, a track groove which is through and on the inner side and the outer side is formed in the left side of the casing, the left end of the linkage plate penetrates through the track groove and extends to the inner side of the slide rail, and the top surface of the left end of the linkage plate is in lap joint with the bottom surface of the slide block.
Preferably, a return spring is fixedly sleeved on the bottom side of the surface of the guide rod, and the top end and the bottom end of the return spring are respectively and fixedly connected with the bottom side of the linkage plate and the top side of the bearing plate.
Preferably, the top surface of the bearing plate is fixedly connected with a wire guide wheel, and the transmission rope is wound on the surface of the wire guide wheel.
Advantageous effects
The invention provides a multi-laser automatic liquid supplementing sla3D printer. Compared with the prior art, the method has the following beneficial effects:
(1) this automatic fluid infusion sla3D printer of many lasers passes through devices such as loading board and straight tube, through the conversion of the gravitational potential energy of itself and the potential energy between pressure spring and the reset spring, can judge the inside photosensitive resin reserves of fluid infusion case through the scale of straight tube bottom, under the condition that photosensitive resin and external light of guaranteeing are kept apart, effectually differentiate photosensitive resin reserves, has ensured photosensitive resin's quality, has delayed it and has rotten.
(2) This automatic fluid infusion sla3D printer of many lasers has realized the gentle supply to photosensitive resin fluid infusion in-process through sleeve pipe and rubber pressing plate, avoids producing the ripple because of the too big resin flow in the hydrops box that leads to suddenly of fluid infusion velocity of flow, has reduced the resin and has flowed the interference to printing the process, has promoted product quality.
(3) This automatic fluid infusion sla3D printer of multi-laser instrument passes through transmission cooperation U-shaped pole and scraper doctor blade and has realized sweeping and to the control of fluid infusion through-hole opening size of rubber pressing plate scraping, judges fluid infusion through-hole opening size according to photosensitive resin liquid's reserves for the velocity of flow is more balanced gentle during the fluid infusion, and scraping of doctor blade and scraper is swept and has been avoided photosensitive resin to condense on rubber pressing plate surface and block up, has reduced equipment trouble.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the liquid trap of the present invention;
FIG. 3 is a cross-sectional view of the bushing of the present invention;
FIG. 4 is a top view of the U-shaped bar of the present invention;
FIG. 5 is a side view of the U-shaped bar of the present invention.
In the figure: 1. a housing; 2. a carrier plate; 3. a laser head; 4. a guide rail; 5. lifting the plate; 6. a liquid accumulation box; 7. a liquid supplementing device; 701. a sleeve; 702. a control tube; 703. an electromagnetic valve; 704. a liquid level sensor; 705. a rubber press plate; 706. a U-shaped rod; 707. a scraper; 708. scraping a blade; 709. a rubber seal plate; 710. an extension spring; 711. a drive rope; 712. a hose; 713. a straight pipe; 714. a loading pressure plate; 715. a pressure spring; 8. a transmission device; 801. a guide bar; 802. a linkage plate; 803. a return spring; 804. a wire guide wheel; 9. a connector tile; 10. a liquid replenishing box; 11. inserting a tube; 12. a valve rubber plug; 13. a seal spring; 14. a slider; 15. a slide rail; .
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an automatic multi-laser liquid-feeding sla3D printer includes a housing 1, a bearing plate 2 fixedly connected to the inner side of the housing 1, a laser head 3 movably connected to the bottom surface of the bearing plate 2, a guide rail 4 fixedly connected to the top surface of the bearing plate 2, a lifting plate 5 slidably connected to the front surface of the guide rail 4, a liquid-collecting box 6 fixedly connected to the front surface of the guide rail 4 and the top surface of the bearing plate 2, wherein the lifting plate 5 is movably sleeved in the liquid-collecting box 6.
The left side fixedly connected with fluid infusion device 7 of hydrops box 6 inner wall, the input of fluid infusion device 7 runs through the inner wall of hydrops box 6 and extends to its left side.
The transmission device 8 is fixedly connected to the left side of the bearing plate 2, and the transmission device 8 penetrates through the casing 1 and extends to the left side thereof.
The middle part of the left side of the casing 1 is fixedly connected with a connecting plate 9, the top side of the connecting plate 9 is movably connected with a liquid supplementing box 10, the bottom of the liquid supplementing box 10 is fixedly connected and communicated with a liquid supplementing device 7, and the right side of the liquid supplementing box 10 is movably connected with a transmission device 8.
In the invention, the bottom of the inner wall of the fluid infusion box 10 is fixedly connected with an insertion tube 11, a valve rubber plug 12 is fixedly sleeved in the insertion tube 11, the top side of the valve rubber plug 12 is movably connected with a sealing spring 13, the sealing spring 13 can realize the closing and pressing of the valve rubber plug 12 when the straight tube 713 is not in contact with the valve rubber plug 12, the automatic sealing effect is realized, photosensitive resin on the inner side of the fluid infusion box 10 is prevented from flowing out, through holes penetrating through the fluid infusion box 10 and the inner side of the insertion tube 11 are formed in the surface of the insertion tube 11 and the top side of the valve rubber plug 12, and the fluid infusion device 7 penetrates through the inner side of.
The right side fixedly connected with slider 14 of fluid infusion case 10, the left side fixedly connected with slide rail 15 of casing 1, slider 14 sliding connection is in slide rail 15.
In the invention, the liquid replenishing device 7 comprises a sleeve 701, the sleeve 701 is fixedly inserted in the front side of the bottom surface of the inner wall of the liquid accumulating box 6, a control pipe 702 is inserted in the top side of the left end of the sleeve 701, an electromagnetic valve 703 is installed on the top of the control pipe 702, a liquid level sensor 704 is electrically connected with the control of the electromagnetic valve 703 through a lead, the liquid level sensor 704 is inserted in the left side of the inner wall of the liquid accumulating box 6, the liquid level sensor 704 can measure the liquid level in the liquid accumulating box 6, when the actual liquid level does not reach the preset liquid level, the liquid level sensor 704 controls the electromagnetic valve 703 to be opened to replenish the liquid accumulating box 6, and when the actual liquid level reaches the preset liquid level, the.
The back of the sleeve 701 is provided with a liquid supplementing through hole which is rectangular, the upper side and the lower side of the outer surface of the liquid supplementing through hole are respectively bonded with a rubber pressing plate 705, the rubber pressing plates 705 are of a strip arc pressing strip structure, the rubber pressing plates 705 at the upper side and the lower side can be mutually bonded when being not abutted by a scraper 707 from the inner side, the rubber pressing plates 705 can well prevent instantaneous impact from photosensitive resin liquid of the liquid supplementing box 10 when the electromagnetic valve 703 is opened and closed, simultaneously, the liquid flows to be flat when the liquid is supplemented, the influence of the liquid supplementing on the flowing of the resin liquid in the liquid accumulating box 6 is relieved, a U-shaped rod 706 is movably inserted in the sleeve 701, one end of the U-shaped rod 706 penetrates through the right side of the sleeve 701 and extends to the back of the sleeve, the back side of the U-shaped rod 706 is welded with the scraper 707 and two scrapers 708, the scrapers 707 and 708 are abutted to the inner side and the outer, rubber shrouding 709 closely laminates with sleeve 701's inner wall, and the right side swing joint of extension spring 710 and sleeve 701 inner wall is passed through to the right-hand member of rubber shrouding 709, rubber shrouding 709 deviates from the one end fixedly connected with driving rope 711 of U-shaped pole 706, driving rope 711 runs through the left end of sleeve 701 and extends to its outside, the left end and the 8 fixed connection of transmission rope 711, it takes to realize linking together between transmission 8 and the fluid infusion device 7 through driving rope 711, make U-shaped pole 706 can adjust fluid infusion through-hole opening size according to the reserves of photosensitive resin in the fluid infusion case 10, make the fluid flow more gentle during the fluid infusion.
The surface of the control pipe 702 is fixedly sleeved with a hose 712, one end of the hose 712 is fixedly connected with a straight pipe 713 communicated with the hose, the straight pipe 713 is vertically inserted into the surface of the connecting plate 9, an object carrying and carrying pressing plate 714 is welded in the middle of the straight pipe 713, a pressure spring 715 is sleeved on the surface of the straight pipe 713, two ends of the pressure spring 715 are respectively fixedly connected with the bottom surface of the object carrying and carrying pressing plate 714 and the top surface of the connecting plate 9, the liquid replenishing tank 10 is placed on the top surface of the object carrying and carrying pressing plate 714, the top end of the straight pipe 713 is in a fusiform shape, and the top end of the straight.
In the present invention, the wiper 708 is a U-shaped metal sheet, the number of the wiper 708 is two, and the two wipers 708 are axisymmetric with respect to the U-shaped bar 706.
In the invention, the straight pipe 713 is formed by welding a solid rod and a hollow pipe, the solid section of the straight pipe 713 is arranged on the upper hollow section, the hose 712 is fixedly connected and communicated with the hollow section of the straight pipe 713, scales are etched at the bottom end of the straight pipe 713, and the downward movement offset of the straight pipe 713 can reflect the storage amount of photosensitive resin in the liquid replenishing box 10 due to the support of the object loading pressing plate 714 of the liquid replenishing box 10.
In the invention, the transmission device 8 comprises a guide rod 801, the guide rod 801 is fixedly inserted at the left side of the top surface of the bearing plate 2, a linkage plate 802 is movably sleeved on the surface of the guide rod 801, the right side of the linkage plate 802 is fixedly connected with the left end of the transmission rope 711, a through track groove at the inner side and the outer side is formed in the left side of the casing 1, the left end of the linkage plate 802 penetrates through the track groove and extends to the inner side of the slide rail 15, and the top surface of the left end of the linkage plate 802 is overlapped with the bottom surface.
In the invention, the bottom side of the surface of the guide rod 801 is fixedly sleeved with the return spring 803, and the top end and the bottom end of the return spring 803 are respectively and fixedly connected with the bottom side of the linkage plate 802 and the top side of the bearing plate 2.
In the invention, the top surface of the bearing plate 2 is fixedly connected with a wire guide wheel 804, and a transmission rope 711 is wound on the surface of the wire guide wheel 804.
When the device is used, the fluid infusion box 10 is placed on the surface of the loading pressing plate 714, the side edge of the sliding block 14 enters the sliding rail 15 and is overlapped with the left end of the linkage plate 802, the top end of the straight pipe 713 is inserted into the inserting pipe and is communicated with the interior of the fluid infusion box 10, and the fluid infusion box 10 descends until the gravity of the fluid infusion box is equal to the elastic force of the pressure spring 715 according to the storage amount of photosensitive resin in the fluid infusion box.
Meanwhile, in the process of dropping and placing the fluid infusion box 10, the slider 14 drives the left end of the linkage plate 802 to press downwards, under the reset action of the extension spring 710, the rubber sealing plate 709 moves towards the right side and adjusts the opening size of the fluid infusion position on the left side of the fluid infusion through hole, the scraping blade 708 and the scraping blade 707 gradually separate from the rubber pressing plate 705 from the right side while the opening size is increased, the overlapping area is reduced, the cross section size of the fluid infusion through hole during fluid infusion is increased in the process, the flow is improved, the problem of large fluid infusion flow rate caused by large hydraulic pressure at the bottom of the fluid infusion box 10 due to large storage capacity in the fluid infusion box 10 is solved, under the action of the rubber pressing plate 705, the flow of photosensitive resin is more gentle, and the influence of the flow of the photosensitive resin in the fluid infusion box 6 on the appearance and the quality of a.
Along with consumption and use of photosensitive resin raw materials, the liquid supplementing box 10 gradually moves upwards under the action of the pressure spring 715 and drives the U-shaped rod 706 to move leftwards, the scraper 707 and the scraper 708 scrape and sweep the photosensitive resin adhered and condensed on the surface of the rubber pressing plate 705, the opening size of the liquid supplementing through hole is adjusted to be gradually reduced, and the problem that the flow rate of the liquid supplementing is reduced due to the fact that the storage amount in the liquid supplementing box 10 is reduced and the liquid level is reduced is compensated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A multi-laser automatic liquid supplementing sla3D printer comprises a machine shell (1), and is characterized in that: the inner side of the machine shell (1) is fixedly connected with a bearing plate (2), the bottom surface of the bearing plate (2) is movably connected with a laser head (3), the top surface of the bearing plate (2) is fixedly connected with a guide rail (4), the front surface of the guide rail (4) is movably connected with a lifting plate (5) in a sliding manner, the top surface of the bearing plate (2) and the front surface of the guide rail (4) are fixedly connected with a liquid accumulating box (6), and the lifting plate (5) is movably sleeved in the liquid accumulating box (6);
the left side of the inner wall of the liquid accumulation box (6) is fixedly connected with a liquid supplementing device (7), and the input end of the liquid supplementing device (7) penetrates through the inner wall of the liquid accumulation box (6) and extends to the left side of the liquid accumulation box;
the transmission device (8) is fixedly connected to the left side of the bearing plate (2), and the transmission device (8) penetrates through the machine shell (1) and extends to the left side of the machine shell;
the middle part of the left side of the machine shell (1) is fixedly connected with a connecting plate (9), the top side of the connecting plate (9) is movably connected with a liquid supplementing box (10), the bottom of the liquid supplementing box (10) is fixedly connected and communicated with a liquid supplementing device (7), and the right side of the liquid supplementing box (10) is movably connected with a transmission device (8).
2. The multi-laser automatic fluid replenishment sla3D printer of claim 1, wherein: the bottom of the inner wall of the fluid infusion box (10) is fixedly connected with an insertion tube (11), a valve rubber plug (12) is fixedly sleeved in the insertion tube (11), the top side of the valve rubber plug (12) is movably connected with a sealing spring (13), through holes penetrating through the inner sides of the fluid infusion box (10) and the insertion tube (11) are formed in the surface of the insertion tube (11) and the top side of the valve rubber plug (12), and the fluid infusion device (7) penetrates through the inner side of the valve rubber plug (12) and is communicated with the interior of the fluid infusion box (10);
the right side fixedly connected with slider (14) of fluid infusion case (10), the left side fixedly connected with slide rail (15) of casing (1), slider (14) sliding connection be in slide rail (15).
3. The multi-laser automatic fluid replenishment sla3D printer of claim 1, wherein: the liquid supplementing device (7) comprises a sleeve (701), the sleeve (701) is fixedly inserted in the front side of the bottom surface of the inner wall of the liquid accumulating box (6), a control pipe (702) is inserted in the top side of the left end of the sleeve (701), an electromagnetic valve (703) is installed at the top of the control pipe (702), a liquid level sensor (704) is electrically connected with the control of the electromagnetic valve (703) through a lead, and the liquid level sensor (704) is inserted in the left side of the inner wall of the liquid accumulating box (6);
the back of the sleeve (701) is provided with a liquid supplementing through hole which is rectangular, rubber pressing plates (705) are bonded on the upper side and the lower side of the outer surface of the liquid supplementing through hole, a U-shaped rod (706) is movably inserted in the sleeve (701), one end of the U-shaped rod (706) penetrates through the right side of the sleeve (701) and extends to the back of the sleeve (701), a scraper (707) and two scrapers (708) are welded on the back side of the U-shaped rod (706), the scraper (707) and the scraper (708) are bonded and abutted with the inner side and the outer side of the rubber pressing plates (705), one end of the U-shaped rod (706) in the sleeve (701) is fixedly connected with a rubber sealing plate (709), the rubber sealing plate (709) is tightly bonded with the inner wall of the sleeve (701), and the right end of the rubber sealing plate (709) is movably connected with the right side of the inner wall of the sleeve (701) through a tension spring, a transmission rope (711) is fixedly connected to one end, away from the U-shaped rod (706), of the rubber sealing plate (709), the transmission rope (711) penetrates through the left end of the sleeve (701) and extends to the outside of the sleeve, and the left end of the transmission rope (711) is fixedly connected with the transmission device (8);
the fixed surface of control tube (702) has cup jointed hose (712), the one end fixedly connected with of hose (712) rather than communicating straight tube (713), straight tube (713) is vertical to be alternate the surface of linking up fishplate bar (9), the middle part welding of straight tube (713) has year thing clamp plate (714), pressure spring (715) have been cup jointed on the surface of straight tube (713), pressure spring (715) both ends respectively with the bottom surface of carrying thing year thing clamp plate (714) with the top surface fixed connection of linking up fishplate bar (9), fluid infusion case (10) are placed the top surface of carrying thing year thing clamp plate (714), the top of straight tube (713) is fusiformis, the top of straight tube (713) is pegged graft the bottom side of fluid infusion case (10).
4. The multi-laser automatic fluid replenishment sla3D printer of claim 3, wherein: the wiper blades (708) are U-shaped metal sheets, the number of the wiper blades (708) is two, and the two wiper blades (708) are axisymmetric with respect to the U-shaped rod (706).
5. The multi-laser automatic fluid replenishment sla3D printer of claim 3, wherein: the straight pipe (713) is formed by welding a solid rod and a hollow pipe, the solid section of the straight pipe (713) is arranged on the lower hollow section, the hose (712) is fixedly connected and communicated with the hollow section of the straight pipe (713), and scales are etched at the bottom end of the straight pipe (713).
6. The multi-laser automatic fluid replenishment sla3D printer of claim 1, wherein: transmission device (8) include guide arm (801), guide arm (801) are fixed to be pegged graft in the left side of loading board (2) top surface, linkage board (802) have been cup jointed in the surface activity of guide arm (801), the right side of linkage board (802) with the left end fixed connection of transmission rope (711), the track groove of lining up and inside and outside is seted up in the left side of casing (1), the left end of linkage board (802) runs through the track groove and extends to slide rail (15) are inboard, the top surface of linkage board (802) left end with the bottom surface overlap joint of slider (14).
7. The multi-laser automatic fluid replacement sla3D printer of claim 6, wherein: the bottom side of the surface of the guide rod (801) is fixedly sleeved with a return spring (803), and the top end and the bottom end of the return spring (803) are respectively and fixedly connected with the bottom side of the linkage plate (802) and the top side of the bearing plate (2).
8. The multi-laser automatic fluid replacement sla3D printer of claim 6, wherein: the top surface of the bearing plate (2) is fixedly connected with a wire guide wheel (804), and the transmission rope (711) is wound on the surface of the wire guide wheel (804).
CN202010142912.8A 2020-03-04 2020-03-04 Multi-laser automatic liquid supplementing sla3D printer Active CN111391311B (en)

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