Sunken photocuring 3D printer with temperature-adjustable liquid tank

Abstract

The utility model discloses a sinking type photocuring 3D printer with a temperature-adjustable liquid tank, and particularly relates to the field of photocuring 3D printers, the sinking type photocuring 3D printer comprises a printer body, a platform assembly is arranged on one side of an inner cavity of the printer body, and a curing module is arranged at the top of the inner cavity of the printer body; the platform assembly comprises a platform supporting rod fixed to the bottom of one side of the platform assembly. Firstly, the first electric push rod is started to control the lifting plate to move up and down, the depth of the trough box can be adjusted, and therefore the height of liquid poured into the trough box can be adjusted according to the size and height of a model, excessive waste caused when the liquid is polluted is avoided, and adjustment and use are convenient; and the vertical moving stability of the lifting plate is improved through a sealing ring, liquid at the top of the lifting plate can be pushed upwards, discharging through a discharging pipe is facilitated, meanwhile, the liquid at the top of the lifting plate can be prevented from flowing into the bottom of the lifting plate, and the sealing effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of light-curing 3D printers, and more specifically, to a sinking light-curing 3D printer with a temperature-adjustable liquid tank. Background Art

[0002] The light-curing 3D printer can print the 3D model required by the user through the resin material. The working principle is to use a projector to solidify the liquid photosensitive resin layer by layer using digital light processing technology. The light-curing 3D printer has two printing modes: upper molding and lower molding.

[0003] Most of the sinking models on the market have a small printing range and a complicated operation process, which is not conducive to large-scale industrial production of finished products. In addition, the device has insufficient followability and insufficient molding accuracy.

[0004] The Chinese patent application number CN202321172615.3 discloses a sunken DLP light-curing 3D printer, which relates to the field of 3D printing technology, including a printer chassis, a 4K optical machine module is fixedly connected to the top of the inner cavity of the printer chassis, optical machine cooling fans are fixedly connected to both sides of the top of the inner cavity of the printer chassis, a Z-axis marble backboard is fixedly connected to the left side of the printer chassis, and a Z-direction transmission mechanism is fixedly connected to the right side of the Z-axis marble backboard. The 3D printer is equipped with a 4K optical machine module, a liquid level adjustment component, a printing table, a horizontal marble platform and a heated resin tank, so that the molding range is larger, the molding height precision is high, the operation is simple, and it is conducive to promotion;

[0005] Then, combined with the drawings in the specification, it can be seen that the depth of the trough box of the existing light-curing 3D printer is fixed. Regardless of the height of the printed model, the trough box needs to be filled with raw materials before printing and processing. When the raw materials inside the trough box are contaminated, it will cause excessive waste. It is inconvenient to adjust the inner cavity depth of the trough box according to the size of the model, thereby reducing the amount of raw materials poured into the trough box, affecting the use effect. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a sunken light-curing 3D printer with an adjustable temperature liquid tank to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sunken light-curing 3D printer with a temperature-adjustable liquid tank, comprising a printer body, a platform assembly is arranged on one side of the inner cavity of the printer body, a curing module is arranged on the top of the inner cavity of the printer body, the platform assembly comprises a platform support rod fixed to the bottom of one side of the platform assembly, a platform body is arranged on the top of the platform support rod, and a material tank box is arranged on the bottom of the inner cavity of the printer body;

[0008] A smoothing plate is arranged on the top of the trough box, and smoothing limit drive mechanisms are symmetrically arranged at both ends of the smoothing plate. A lifting plate is arranged in the middle of the trough box, and an electric heating plate is arranged in the middle of the lifting plate. Sealing rings are arranged around the lifting plate, and stabilizing rods are symmetrically fixedly connected around the bottom of the lifting plate. A first electric push rod is arranged at the bottom of the trough box;

[0009] The two sides of the trough box are symmetrically provided with limited sliding mechanisms.

[0010] Preferably, the platform support rod is located in the middle of the trough box, one side of the bottom of the platform body is fixedly connected to a limiting clamp rod, and the other side is fixedly connected to a limiting clamp block, and a threaded hole is opened in the middle of the limiting clamp block.

[0011] Preferably, the limit card rod is located on both sides of the platform support rod, the cross-sectional shape of the limit card block is set to be "U" shape, the limit card block is sleeved on one end of the platform support rod, and the threaded hole corresponds to the connecting hole at one end of the platform support rod.

[0012] Preferably, the smoothing plate is arranged on the top of the inner cavity of the trough box, the platform body is arranged in the middle of the trough box, the output end of the first electric push rod is connected to the bottom wall of the lifting plate, and a connecting head is arranged in the middle of the stabilizing rod, and the connecting head is electrically connected to the controller of the electric heating plate and the printer body through electric wires.

[0013] Preferably, a feed pipe is provided on one side of the trough box, a valve is provided in the middle of the feed pipe, and the inner cavity of the feed pipe is connected with the inner cavity of the trough box.

[0014] Preferably, the limiting sliding mechanism comprises limiting slide grooves symmetrically opened at the bottom of both sides of the printer body cavity, a limiting rail is arranged in the middle of the limiting slide groove, and limiting clamping strips are symmetrically fixedly connected to both sides of the trough box.

[0015] Preferably, a limiting slot is opened on one side of the limiting rail, the limiting strip is arranged in the middle of the limiting slot, a second electric push rod is arranged at the bottom of the limiting rail, and one side of the limiting rail is slidably connected to the inner cavity of the limiting slot through a slider rail.

[0016] Technical effects and advantages of the utility model:

[0017] 1. The utility model firstly controls the lifting plate to move up and down by starting the first electric push rod, and can adjust the depth of the trough box, so that the height of the liquid poured into the trough box can be adjusted according to the size and height of the model, so as to avoid excessive waste when the liquid is contaminated, and is convenient for adjustment and use. The sealing ring is used to improve the stability of the lifting plate moving up and down, and the liquid on the top of the lifting plate can be pushed upward, which is convenient for unloading through the unloading pipe. At the same time, the liquid on the top of the lifting plate can be prevented from flowing into the bottom of the lifting plate, which plays a sealing role;

[0018] 2. The utility model can also improve the stability of the lifting plate moving up and down through the provided stabilizing rod, and through the cooperation of the provided connecting head and the electric heating plate, the lifting plate can be conveniently used to heat and keep the liquid in the inner cavity of the material tank box, so as to keep the liquid temperature constant during the printing process, and through the limit sliding mechanism, the material tank box can be easily installed, disassembled and cleaned, and is convenient for maintenance and use;

[0019] In summary, through the mutual influence of the above-mentioned multiple effects, the depth of the inner cavity of the trough box can be conveniently adjusted according to the size height of the model, thereby controlling the height of the liquid poured into the trough box and avoiding excessive waste when the liquid is contaminated. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0022] Figure 3 It is a schematic diagram of the split structure of the cross-section platform body and the platform support rod of the utility model.

[0023] Figure 4 For this utility model Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the trough box of the utility model.

[0025] Figure 6 It is a structural schematic diagram of the platform body of the utility model.

[0026] The accompanying drawings are marked as follows: 1. printer body; 2. platform assembly; 3. platform support rod; 4. leveling limit drive mechanism; 5. smoothing plate; 6. platform body; 7. limit clamp rod; 8. limit clamp block; 9. threaded hole; 10. trough box; 11. lifting plate; 12. sealing ring; 13. electric heating plate; 14. first electric push rod; 15. stabilizer rod; 16. connector; 17. feed pipe; 18. valve; 19. limit clamp strip; 20. limit slide groove; 21. limit clamp rail; 22. second electric push rod; 23. limit clamp groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] As attached Figure 1-6 A sunken light-curing 3D printer with an adjustable temperature liquid tank is shown, comprising a printer body 1, a platform assembly 2 is arranged on one side of the inner cavity of the printer body 1, a curing module is arranged on the top of the inner cavity of the printer body 1, and the platform assembly 2 comprises a platform support rod 3 fixed to the bottom of one side of the platform assembly 2, a platform body 6 is arranged on the top of the platform support rod 3, a model can be fixed on the top of the platform body 6 through the platform body 6, and the platform assembly 2 controls the platform support rod 3 to drive the platform body 6 to move up and down, so as to facilitate the sunken printing, and a material tank box 10 is arranged at the bottom of the inner cavity of the printer body 1, and the liquid can be placed;

[0029] A smoothing plate 5 is arranged on the top of the trough box 10, and smoothing limit drive mechanisms 4 are symmetrically arranged at both ends of the smoothing plate 5. A lifting plate 11 is arranged in the middle of the trough box 10, and an electric heating plate 13 is arranged in the middle of the lifting plate 11. Sealing rings 12 are arranged around the lifting plate 11, and stabilizing rods 15 are symmetrically fixedly connected around the bottom of the lifting plate 11. A first electric push rod 14 is arranged at the bottom of the trough box 10. The smoothing plate 5 is controlled to move by the smoothing limit drive mechanism 4, and the liquid surface can be smoothed after the single-layer printing is completed to improve the printing effect. The lifting plate 11 can be controlled to move up and down by starting the first electric push rod 14, and the inner cavity depth of the trough box 10 can be changed, which is convenient for early adjustment according to the height of the model. The use is convenient, and the lifting plate 11 can be controlled by the electric heating plate 13 to heat the inner cavity liquid of the trough box 10, so that the temperature of the liquid inside the trough box 10 remains stable, and the stability of the lifting plate 11 moving up and down is improved by the stabilizing rod 15;

[0030] The trough box 10 is symmetrically provided with limited sliding mechanisms on both sides, so as to facilitate the installation, disassembly, cleaning and maintenance of the trough box 10 .

[0031] As attached Figure 2 , 3 As shown in Figure 6, the platform support rod 3 is located in the middle of the trough box 10, one side of the bottom of the platform body 6 is fixedly connected to the limiting clamp rod 7, and the other side is fixedly connected to the limiting clamp block 8. A threaded hole 9 is provided in the middle of the limiting clamp block 8. The platform support rod 3 is controlled by the platform component 2 to move the platform body 6 downward inside the trough box 10, so that sinking printing can be performed and the printed model can be located on the top of the platform body 6, so that the limiting clamp rod 7 and the limiting clamp block 8 can facilitate the installation of the platform body 6 and improve the stability of the platform body 6.

[0032] As attached Figure 2 , 6 As shown, the limit rod 7 is located on both sides of the platform support rod 3, the cross-sectional shape of the limit block 8 is set to be "U" shape, the limit block 8 is sleeved on one end of the platform support rod 3, and the threaded hole 9 corresponds to the connecting hole at one end of the platform support rod 3. The platform body 6 is installed and limited by the limit rod 7 and the limit block 8, and the platform body 6 is conveniently installed, fixed and disassembled for use, thereby improving the use effect.

[0033] As attached Figure 2-5 As shown, the smoothing plate 5 is arranged at the top of the inner cavity of the trough box 10, the platform body 6 is arranged in the middle of the trough box 10, the output end of the first electric push rod 14 is connected to the bottom wall of the lifting plate 11, and a connector 16 is arranged in the middle of the stabilizing rod 15. The connector 16 is electrically connected to the electric heating plate 13 and the controller of the printer body 1 through electric wires. The surface of the liquid in the inner cavity of the trough box 10 can be smoothed by the smoothing plate 5 to improve the printing quality, and by electrically connecting the connector 16 to the controller, it is convenient to control the electric heating plate 13 to heat the liquid in the inner cavity of the trough box 10, so that the temperature of the liquid inside the trough box 10 remains stable.

[0034] As attached Figure 1 , 2 As shown in Figure 5, a discharge pipe 17 is provided on one side of the trough box 10, and a valve 18 is provided in the middle of the discharge pipe 17. The inner cavity of the discharge pipe 17 is connected with the inner cavity of the trough box 10. The liquid in the inner cavity of the trough box 10 can be discharged through the discharge pipe 17 through the discharge pipe 17 and the valve 18.

[0035] As attached Figure 1-5As shown, the limiting sliding mechanism includes limiting slide grooves 20 symmetrically opened at the bottom of both sides of the inner cavity of the printer body 1, a limiting rail 21 is arranged in the middle of the limiting slide groove 20, and the limiting card strips 19 are symmetrically fixedly connected to both sides of the material trough box 10. The limiting rails 21 are limited by the limiting slide grooves 20, and the limiting card strips 19 are used to facilitate the installation and support of the material trough box 10.

[0036] As attached Figure 1-5 As shown, a limiting card slot 23 is provided on one side of the limiting card rail 21, and a limiting card strip 19 is arranged in the middle of the limiting card slot 23. A second electric push rod 22 is arranged at the bottom of the limiting card rail 21. One side of the limiting card rail 21 is slidably connected with the inner cavity of the limiting slide slot 20 through a slider rail. The limiting card strip 19 is engaged with the limiting card slot 23, so that the trough box 10 can be supported, and the limiting card rail 21 can be controlled to move upward by starting the second electric push rod 22, so that the trough box 10 can be controlled to move upward, which is convenient for limiting and fixing the trough box 10 and convenient for use.

[0037] It is worth noting that limiting plates are symmetrically arranged at the corners around the top of the trough box 10, and the top wall of the trough box 10 fits with the wall of the limiting plate.

[0038] Working principle of the utility model: when in use, the limit card strip 19 is clamped inside the limit card slot 23, and the second electric push rod 22 is started to control the trough box 10 to move upward, so that the smoothing plate 5 is located at the top of the inner cavity of the trough box 10, and the trough box 10 is limited and fixed;

[0039] Then, the first electric push rod 14 is started to control the lifting plate 11 to move upward, so as to control the depth of the inner cavity of the trough box 10, and the liquid is poured into the interior of the trough box 10, the platform body 6 is fixed on the top of the platform support rod 3, and the platform assembly 2 is started to control the platform body 6 to go deep into the interior of the trough box 10, so that there is a fixed gap between the top wall of the platform body 6 and the liquid surface, and the 3D printing work is performed through the curing module;

[0040] After one layer of printing is completed, the platform component 2 is started to control the downward movement to a fixed height, and then the leveling limit drive mechanism 4 is started to control the leveling plate 5 to level the liquid on the top of the trough box 10, and then the 3D printing work is performed through the curing module. Continuous processing can realize the printing processing of the sinking model.

[0041] The height to which the lifting plate 11 moves downward can be adjusted according to the height of the model, which is convenient for use.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sunken light-curing 3D printer with a temperature-adjustable liquid tank, comprising a printer body (1), characterized in that: A platform component (2) is arranged on one side of the inner cavity of the printer body (1), a curing module is arranged on the top of the inner cavity of the printer body (1), the platform component (2) comprises a platform support rod (3) fixed to the bottom of one side of the platform component (2), a platform body (6) is arranged on the top of the platform support rod (3), and a material trough box (10) is arranged at the bottom of the inner cavity of the printer body (1); A smoothing plate (5) is arranged on the top of the trough box (10), and smoothing limit drive mechanisms (4) are symmetrically arranged at both ends of the smoothing plate (5); a lifting plate (11) is arranged in the middle of the trough box (10), and an electric heating plate (13) is arranged in the middle of the lifting plate (11); sealing rings (12) are arranged around the lifting plate (11), and stabilizing rods (15) are symmetrically fixedly connected around the bottom of the lifting plate (11); and a first electric push rod (14) is arranged at the bottom of the trough box (10); The trough box (10) is symmetrically provided with limited sliding mechanisms on both sides.

2. A sunken light-curing 3D printer with a temperature-adjustable liquid tank according to claim 1, characterized in that: The platform support rod (3) is located in the middle of the trough box (10), one side of the bottom of the platform body (6) is fixedly connected to a limit clamp rod (7), and the other side is fixedly connected to a limit clamp block (8), and a threaded hole (9) is provided in the middle of the limit clamp block (8).

3. A sunken light-curing 3D printer with a temperature-adjustable liquid tank according to claim 2, characterized in that: The limit clamp rod (7) is located on both sides of the platform support rod (3); the cross-sectional shape of the limit clamp block (8) is set to be "U"-shaped; the limit clamp block (8) is sleeved on one end of the platform support rod (3); and the threaded hole (9) corresponds to the connecting hole at one end of the platform support rod (3).

4. The sunken light-curing 3D printer with a temperature-adjustable liquid tank according to claim 1, characterized in that: The smoothing plate (5) is arranged at the top of the inner cavity of the trough box (10), the platform body (6) is arranged in the middle of the trough box (10), the output end of the first electric push rod (14) is connected to the bottom wall of the lifting plate (11), and a connector (16) is arranged in the middle of the stabilizing rod (15), and the connector (16) is electrically connected to the electric heating plate (13) and the controller of the printer body (1) through electric wires.

5. The sunken light-curing 3D printer with a temperature-adjustable liquid tank according to claim 1, characterized in that: A feed pipe (17) is provided on one side of the trough box (10), a valve (18) is provided in the middle of the feed pipe (17), and the inner cavity of the feed pipe (17) is in communication with the inner cavity of the trough box (10).

6. The sunken light-curing 3D printer with a temperature-adjustable liquid tank according to claim 1, characterized in that: The limit sliding mechanism comprises limit sliding grooves (20) symmetrically arranged at the bottom of both sides of the inner cavity of the printer body (1), a limit clamping rail (21) is arranged in the middle of the limit sliding groove (20), and the limit clamping strips (19) are symmetrically fixedly connected to both sides of the trough box (10).

7. A sunken light-curing 3D printer with a temperature-adjustable liquid tank according to claim 6, characterized in that: A limiting slot (23) is provided on one side of the limiting rail (21), the limiting strip (19) is arranged in the middle of the limiting slot (23), a second electric push rod (22) is arranged at the bottom of the limiting rail (21), and one side of the limiting rail (21) is slidably connected to the inner cavity of the limiting slot (20) via a slider rail.

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