Photocuring 3D printer

Abstract

A second through groove is formed in the rear side face of a glue groove, a first through groove is formed in the rear side of a frame supporting table, an L-shaped channel is arranged on the surface of the rear side of the glue groove, and the L-shaped channel is connected with the first through groove of the frame supporting table and the second through groove in the rear side face of the glue groove. A guide frame is arranged on the side, close to the first through groove, of the vertical frame, the floating body is arranged in the L-shaped channel, the top end of the floating body is connected with the sliding base through a connecting plate, a small liquid level checking door is arranged on the rear side face of the upper shell, the liquid level can be judged through the position of the sliding base, convenience and rapidness are achieved, and the accuracy is higher compared with direct checking of the liquid level of the glue groove with naked eyes. The photoelectric switch is further arranged on the side, located on the guide frame, of the vertical frame, the baffle of the sliding base is matched with the photoelectric switch, when the baffle shields the photoelectric switch, low-liquid-level prompting can be achieved, and the accuracy is higher compared with a traditional liquid level meter.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printer technical field, concretely is a kind of photocuring 3D printer. BACKGROUND

[0002] Photocuring 3D printer is a kind of computer and its supporting equipment for computer science and technology field.It prints three-dimensional object by layering on light hardening resin.Different from traditional mechanical processing method, photocuring 3D printer can print complex shape object.

[0003] The existing photocuring 3D printer when checking liquid level, generally opens front end small door, then checks the liquid level of resin in glue groove by naked eye checking mode, and this mode has poor liquid level checking accuracy, therefore, urgent need to improve the technology to solve the problem existing in prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a photocuring 3D printer, the rear side of glue groove is equipped with second through groove, the rear side of frame support platform is equipped with first through groove, the rear side surface of glue groove is provided with L type passageway, L type passageway is connected with the first through groove of frame support platform and the second through groove of the rear side of glue groove respectively, and the guide frame is set up in the first through groove side of vertical support near.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of photocuring 3D printer, including rack, glue groove, liquid level display mechanism, lifting platform mechanism and scraper mechanism;

[0006] The rack comprises a lower shell, an upper shell, a top shell, a frame support table, a stand and a guide frame, the top end of the lower shell is connected with the bottom end of the upper shell, the frame support table is arranged inside the lower shell and connected with the upper shell, a first through slot is formed in the rear side of the frame support table, a reinforcing frame is arranged on the upper surface of the frame support table and located at the periphery of the first through slot, a stand is arranged on the upper surface of the frame support table and located at the reinforcing frame, longitudinal guide rails are arranged on both sides of the end of the stand away from the reinforcing frame, a first servo motor is arranged at the top end of the stand, the output shaft of the first servo motor is connected with one end of a lead screw through a shaft coupling, the other end of the lead screw is connected with a lead screw seat arranged on the upper surface of the frame support table in a matched mode, a guide frame is arranged at the end of the stand close to the reinforcing frame, a guide rod is arranged in the guide frame, a through hole is formed in the top end of the guide frame, transverse guide rails are arranged on both sides of the upper surface of the frame support table, material taking small doors are arranged on both sides of the upper shell, a liquid level viewing small door is arranged on the rear side of the upper shell, a top shell is arranged at the top end of the upper shell, two horizontal rods arranged in parallel are arranged inside the lower shell.

[0007] The glue groove is arranged inside the lower shell, the glue groove is connected with the horizontal rods through support frames arranged on both sides of the glue groove, a second through slot is formed in the rear side of the glue groove, an L-shaped channel is arranged on the rear side surface of the glue groove, and the L-shaped channel is connected with the first through slot of the frame support table and the second through slot of the rear side of the glue groove respectively.

[0008] The liquid level display mechanism comprises a float, a connecting plate, a sliding seat and a cylinder, the float is in a rectangular structure, the float is movably arranged in the L-shaped channel, the connecting plate is arranged on the top of the float, the sliding seat is arranged at the top end of the connecting plate, the sliding seat is in sliding cooperation with the guide rod, the cylinder is further arranged on the upper surface of the sliding seat, the cylinder penetrates through the through hole of the guide frame, the stand arranged on one side of the guide frame further comprises a photoelectric switch, the sliding seat is provided with a baffle on one side, and the baffle cooperates with the photoelectric switch.

[0009] The lifting platform mechanism comprises a lifting plate, a stand, a supporting rod and a lifting platform, the lifting plate is in sliding cooperation with the longitudinal guide rails through sliding blocks, the lifting plate is further in cooperation with the lead screw through a lead screw pair, the lifting plate is connected with the stand on both sides, the bottom end of the stand is connected with one end of the supporting rod perpendicularly, the supporting rod is connected with the lower surface of the lifting platform, and the lifting platform is movably arranged in the glue groove.

[0010] The scraper mechanism comprises a driving link, a driven link, a transmission belt, a second servo motor and a scraper, the two ends of the driving link are arranged on the upper surface of the frame support table through bearing seats and are located at one end of the first through slot, the two ends of the driven link are arranged on the upper surface of the frame support table through bearing seats and are away from one end of the first through slot, the two ends of the driving link and the driven link are provided with pulleys, the pulleys at the two ends of the driving link and the driven link correspond to each other and are connected with each other through the transmission belt, the two ends of the scraper are slidably connected with the horizontal guide rail through sliding blocks, the sliding blocks at the two ends of the scraper are connected with the transmission belt through connecting pieces respectively, and the scraper is movably arranged on the upper surface of the glue tank.

[0011] Preferably, the utility model provides a kind of photocuring 3D printer, wherein the upper shell interior is also provided with L type baffle, the L type baffle is equipped with through-hole, the upper surface of the L type baffle is also provided with support seat, the support seat is equipped with through-hole, the through-hole of the support seat and the through-hole of L type baffle correspond with each other, the upper surface of the support seat is provided with support, the support is equipped with ultraviolet light source, the position of the ultraviolet light source and the through-hole of support seat and the through-hole of L type baffle correspond with each other and lens is towards glue tank, and the ultraviolet light source is arranged in top shell.

[0012] Preferably, the utility model provides a kind of photocuring 3D printer, wherein the top shell is equipped with heat dissipation hole.

[0013] Preferably, the utility model provides a kind of photocuring 3D printer, wherein the bottom of the lower shell is provided with several height adjustable support feet.

[0014] Preferably, the utility model provides a kind of photocuring 3D printer, wherein the upper shell side is provided with control panel installation platform.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The rear side of the glue tank is provided with a second through slot, the rear side of the frame support table is provided with a first through slot, the rear surface of the glue tank is provided with an L-shaped channel, the L-shaped channel is connected to the first through slot of the frame support table and the second through slot of the rear surface of the glue tank respectively, the stand is provided with a guide frame on the side close to the first through slot, the float is arranged in the L-shaped channel, the top end of the float is connected to the sliding seat through a connecting plate, the rear surface of the upper shell is provided with a liquid level viewing door, the position of the sliding seat can be used to determine the liquid level, which is convenient and fast, and the accuracy of directly viewing the liquid level of the glue tank by the naked eye is higher, and the stand on one side of the guide frame is also provided with a photoelectric switch, the baffle of the sliding seat cooperates with the photoelectric switch, when the baffle shields the photoelectric switch, the low liquid level can be prompted, and the accuracy is also higher than that of the traditional liquid level meter. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a structure schematic diagram of the utility model;

[0018] Figure 2 The angle conversion structure schematic diagram of the utility model is shown in the figure. Figure 1

[0019] Figure 3 The utility model discloses a perspective structure schematic diagram of the utility model.

[0020] Figure 4 The utility model discloses an internal structure schematic diagram of the utility model.

[0021] Figure 5 The angle conversion structure schematic diagram of the utility model is shown in the figure. Figure 4

[0022] Figure 6 The utility model discloses a structure schematic diagram of the utility model at the lifting platform mechanism.

[0023] Figure 7 The enlarged structure schematic diagram of the utility model at mark A is shown in the figure. Figure 6

[0024] In the figure: lower shell 1, upper shell 2, top shell 3, frame support table 4, stand 5, guide frame 6, first through slot 7, reinforcing frame 8, longitudinal guide rail 9, first servo motor 10, lead screw 11, guide rod 12, transverse guide rail 13, take out small door 14, liquid level viewing small door 15, cross bar 16, rubber groove 17, support frame 18, second through slot 19, L type passage 20, float 21, connecting plate 22, slide 23, cylinder 24, lifting plate 25, stand 26, supporting rod 27, lifting platform 28, driving link 29, driven link 30, transmission belt 31, second servo motor 32, scraper 33, bearing seat 34, pulley 35, connecting piece 36, L type baffle 37, support base 38, support 39, ultraviolet light source 40, photoelectric switch 41, baffle 42, heat dissipation hole 43, support foot 44, control panel installation table 45. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described clearly and completely in connection with the figures in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] ​​​It should be noted that, in the description of the utility model, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Please refer to Figures 1-7 The utility model provides a technical scheme: a kind of light curing 3D printer, including rack, glue tank 17, liquid level display mechanism, lifting platform mechanism and scraper mechanism;

[0028] Rack includes lower shell 1, upper shell 2, top shell 3, frame support table 4, stand 5 and guide frame 6, the top end of lower shell 1 is connected with the bottom end of upper shell 2, frame support table 4 is arranged in lower shell 1 inside and with upper shell 2 connection place, first through slot 7 is opened in the back side of frame support table 4, reinforcing frame 8 is arranged on the upper surface of frame support table 4 and is located at the periphery of first through slot 7, stand 5 is arranged on the upper surface of frame support table 4 and is located at reinforcing frame 8, longitudinal guide rail 9 is arranged on the two sides of the end of stand 5 away from reinforcing frame 8, first servo motor 10 is arranged at the top end of stand 5, the output shaft of first servo motor 10 is connected with the one end of lead screw 11 by coupling, the other end of lead screw 11 is connected with the lead screw seat installed on the upper surface of frame support table 4, guide frame 6 is arranged at the end of stand 5 close to reinforcing frame 8, guide frame 6 is arranged with guide rod 12, through hole is opened at the top end of guide frame 6, transverse guide rail 13 is arranged on the two sides of the upper surface of frame support table 4, material taking small door 14 is arranged on the two sides of upper shell 2, liquid level checking small door 15 is arranged on the back side of upper shell 2, top shell 3 is arranged at the top end of upper shell 2, two parallel arranged horizontal rods 16 are arranged in lower shell 1 inside, L-shaped partition 37 is further arranged in upper shell 2, through hole is opened in L-shaped partition 37, support seat 38 is further arranged on the upper surface of L-shaped partition 37, through hole is opened in support seat 38, the through hole of support seat 38 and the through hole of L-shaped partition 37 correspond to each other, support base 39 is arranged on the upper surface of support seat 38, ultraviolet light source 40 is installed in support base 39, the position of ultraviolet light source 40 and the through hole of support seat 38 and the through hole of L-shaped partition 37 correspond to each other and lens is towards glue tank 17, ultraviolet light source 40 is arranged in top shell 3, by setting ultraviolet light source 40, under the cooperation of ultraviolet light source 40, ultraviolet rays are irradiated in photosensitive resin corresponding position, so that corresponding position is solid, realizes 3D printing, top shell 3 is opened with heat dissipation hole 43, to realize the heat dissipation of ultraviolet light source 40 when 3D printer is processed, a plurality of height adjustable support feet 44 are arranged on the bottom of lower shell 1, to realize the support of whole, control panel installation table 45 is arranged on one side of upper shell 2, to realize the installation of control panel.

[0029] The glue groove 17 is arranged inside the lower shell 1, and the glue groove 17 is connected with the horizontal rod 16 through the support frame 18 on both sides. The rear side of the glue groove 17 is provided with a second through groove 19, and the rear side surface of the glue groove 17 is provided with an L-shaped channel 20 connected with the first through groove 7 of the frame support table 4 and the second through groove 19 of the rear side of the glue groove 17 respectively. After the photosensitive resin is added into the glue groove 17, the photosensitive resin can enter the L-shaped channel 20 through the second through groove 19.

[0030] The liquid level display mechanism includes a float 21, a connecting plate 22, a sliding seat 23, and a cylindrical body 24. The float 21 is of a rectangular structure and is movably arranged in the L-shaped channel 20. The top of the float 21 is provided with the connecting plate 22, and the top end of the connecting plate 22 is provided with the sliding seat 23. The sliding seat 23 is in sliding cooperation with the guide rod 12. The upper surface of the sliding seat 23 is further provided with the cylindrical body 24, which is arranged in the through hole of the guide frame 6. The stand 5 is arranged on one side of the guide frame 6 and is further provided with a photoelectric switch 41. The sliding seat 23 is provided with a baffle 42 on one side, which cooperates with the photoelectric switch 41. Through the cooperation of the baffle 42 and the photoelectric switch 41, real-time monitoring of the low liquid level is realized.

[0031] The lifting platform mechanism includes a lifting plate 25, a vertical rod 26, a supporting rod 27, and a lifting platform 28. The lifting plate 25 is in sliding cooperation with the longitudinal guide rail 9 through a sliding block. The lifting plate 25 is further in cooperation with the lead screw 11 through a screw pair. The two sides of the lifting plate 25 are respectively connected with the vertical rod 26. The bottom ends of the vertical rods 26 are vertically connected with one end of the supporting rod 27. The supporting rod 27 is connected with the lower surface of the lifting platform 28. The lifting platform 28 is movably arranged in the glue groove 17. Through the cooperation of the screw pair of the lifting plate 25 and the lead screw 11, the lifting of the lifting platform 28 is realized.

[0032] The scraper mechanism includes a driving link 29, a driven link 30, a transmission belt 31, a second servo motor 32, and a scraper 33. The driving link 29 is arranged on the upper surface of the frame support table 4 through a bearing seat 34 at both ends and is located at one end of the first through groove 7. The driven link 30 is arranged on the upper surface of the frame support table 4 through a bearing seat 34 at both ends and is away from one end of the first through groove 7. Both ends of the driving link 29 and the driven link 30 are provided with pulleys 35. The pulleys 35 at both ends of the driving link 29 and the driven link 30 correspond to each other and are connected with each other through the transmission belt 31. The scraper 33 is in sliding cooperation with the horizontal guide rail 13 through sliding blocks at both ends. The sliding blocks at both ends of the scraper 33 are connected with the transmission belt 31 through connecting pieces 36 respectively. The scraper 33 is movably arranged on the upper surface of the glue groove 17. The scraper is used for scraping the forming surface of the product during the solidification process.

[0033] Working method and principle: before use, first connect the two ends of the L-shaped channel 20 with the second through groove 19 of the glue groove 17 and the first through groove 7 of the frame support table 4 respectively, then slide the sliding seat 23 with the guide rod 12 of the guide frame 6, then connect the connecting plate 22 with the top end of the float 21, place the float 21 into the longitudinal channel of the L-shaped through groove, and connect the connecting plate 22 with the sliding seat 23 through screws, complete the installation of the liquid level display mechanism. When using, pour the photosensitive resin material into the glue groove 17, when the liquid level of the photosensitive resin exceeds the second through groove 19 of the glue groove 17, the photosensitive resin will enter the L-shaped channel 20, at this time, the float 21 floats up, the sliding seat 23 is driven to move upwards along the guide rod 12 through the connecting plate 22, and the baffle 42 on one side of the sliding seat 23 is separated from the photoelectric switch 41. When working, the first servo motor 10 drives the screw rod 11 to rotate, the screw rod 11 drives the lifting plate 25 to lift through the screw pair, so that the lifting platform 28 is driven to lift through the vertical rod 26 and the supporting rod 27, and the ultraviolet light source 40 is irradiated on the corresponding position of the photosensitive resin material through the cooperation of the galvanometer, so that the corresponding position is solidified. In the solidification process, the lifting platform 28 is lowered, and the scraper 33 is leveled through the cooperation of the transmission belt 31, so that the product is gradually formed. When the product is taken out after printing once, the liquid level of the photosensitive resin in the glue groove 17 will decrease, and the photosensitive resin in the L-shaped channel 20 also decreases synchronously, and the float 21 also decreases. When the liquid level of the photosensitive resin decreases to a certain height, the baffle 42 on one side of the sliding seat 23 blocks the photoelectric switch 41, prompting that the photosensitive resin needs to be added. The utility model has the advantages of reasonable structure, the rear side of the glue groove 17 is provided with the second through groove 19, the rear side of the frame support table 4 is provided with the first through groove 7, the rear surface of the glue groove 17 is provided with the L-shaped channel 20, the L-shaped channel 20 is connected with the first through groove 7 of the frame support table 4 and the second through groove 19 of the rear side of the glue groove 17 respectively, the guide frame 6 is arranged on one side of the first through groove 7 of the vertical frame 5, the float 21 is arranged in the L-shaped channel 20, the top end of the float 21 is connected with the sliding seat 23 through the connecting plate 22, the rear side of the upper shell 2 is provided with the liquid level viewing door 15, the liquid level can be judged through the position of the sliding seat 23, which is convenient and fast, and the liquid level accuracy is higher than that of direct observation of the glue groove 17, and the vertical frame 5 is arranged on one side of the guide frame 6 and is further provided with the photoelectric switch 41, the baffle 42 of the sliding seat 23 cooperates with the photoelectric switch 41, when the baffle 42 blocks the photoelectric switch 41, the low liquid level can be prompted, and the accuracy is higher than that of the traditional liquid level meter.

[0034] The parts not described in the utility model are the known technology of those skilled in the art.

[0035] Finally, it should be noted that the above detailed description is merely intended to illustrate the technical solutions of the present application, rather than limit the present application. Although the present application has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all of them should be included in the scope of the claims of the present application.

Claims

1. A light-cured 3D printer, characterized by: The machine frame, glue groove (17), liquid level display mechanism, lifting platform mechanism and scraper mechanism are included. The machine frame includes a lower shell (1), an upper shell (2), a top shell (3), a frame support table (4), a stand (5) and a guide frame (6). The top end of the lower shell (1) is connected with the bottom end of the upper shell (2). The frame support table (4) is arranged inside the lower shell (1) and connected with the upper shell (2). The rear side of the frame support table (4) is provided with a first through slot (7). The upper surface of the frame support table (4) and the periphery of the first through slot (7) are provided with a reinforcing frame (8). The upper surface of the frame support table (4) and the reinforcing frame (8) are provided with the stand (5). The two sides of the end of the stand (5) away from the reinforcing frame (8) are provided with longitudinal guide rails (9). The top end of the stand (5) is provided with a first servo motor (10). The output shaft of the first servo motor (10) is connected with one end of a lead screw (11) through a shaft coupling. The other end of the lead screw (11) is connected with a lead screw seat arranged on the upper surface of the frame support table (4). The end of the stand (5) close to the reinforcing frame (8) is provided with the guide frame (6). The guide frame (6) is provided with a guide rod (12). The top end of the guide frame (6) is provided with a through hole. The two sides of the upper surface of the frame support table (4) are provided with transverse guide rails (13). The two sides of the upper shell (2) are provided with material taking small doors (14). The rear side of the upper shell (2) is provided with a liquid level viewing small door (15). The top end of the upper shell (2) is provided with the top shell (3). The inside of the lower shell (1) is provided with two parallel arranged horizontal rods (16). The glue groove (17) is arranged inside the lower shell (1). The two sides of the glue groove (17) are connected with the horizontal rods (16) through support frames (18). The rear side of the glue groove (17) is provided with a second through slot (19). The rear side surface of the glue groove (17) is provided with an L-shaped channel (20). The L-shaped channel (20) is connected with the first through slot (7) of the frame support table (4) and the second through slot (19) of the rear side of the glue groove (17) respectively. The liquid level display mechanism includes a float (21), a connecting plate (22), a sliding seat (23) and a cylinder (24). The float (21) is a rectangular structure. The float (21) is movably arranged in the L-shaped channel (20). The top of the float (21) is provided with the connecting plate (22). The top end of the connecting plate (22) is provided with the sliding seat (23). The sliding seat (23) is slidably connected with the guide rod (12). The upper surface of the sliding seat (23) is further provided with the cylinder (24). The cylinder (24) is arranged in the through hole of the guide frame (6). The stand (5) on one side of the guide frame (6) is further provided with a photoelectric switch (41). One side of the sliding seat (23) is provided with a baffle (42). The baffle (42) is matched with the photoelectric switch (41). The lifting platform mechanism comprises a lifting plate (25), a vertical rod (26), a supporting rod (27) and a lifting platform (28), the lifting plate (25) is slidably connected with the longitudinal guide rail (9) through a sliding block, the lifting plate (25) is further connected with the lead screw (11) through a screw pair, the two sides of the lifting plate (25) are respectively connected with the vertical rod (26), the bottom ends of the vertical rod (26) are vertically connected with one end of the supporting rod (27), the supporting rod (27) is connected with the lower surface of the lifting platform (28), and the lifting platform (28) is movably arranged in the glue tank (17). The scraper mechanism comprises a driving link (29), a driven link (30), a transmission belt (31), a second servo motor (32) and a scraper (33), the two ends of the driving link (29) are arranged on the upper surface of the frame support table (4) and located at one end of the first through groove (7) through bearing seats (34), the two ends of the driven link (30) are arranged on the upper surface of the frame support table (4) and away from one end of the first through groove (7) through bearing seats (34), the two ends of the driving link (29) and the driven link (30) are provided with pulleys (35), the pulleys (35) at the two ends of the driving link (29) and the driven link (30) correspond to each other and are connected with each other through the transmission belt (31), the two ends of the scraper (33) are slidably connected with the horizontal guide rail (13) through sliding blocks, the sliding blocks at the two ends of the scraper (33) are respectively connected with the transmission belt (31) through connecting pieces (36), and the scraper (33) is movably arranged on the upper surface of the glue tank (17).

2. The light-cured 3D printer according to claim 1, characterized in that: The L-shaped partition plate (37) is further provided with a support seat (38) on the upper surface, the support seat (38) is provided with a support base (39) on the upper surface, the support base (39) is provided with an ultraviolet light source (40), the ultraviolet light source (40) is correspondingly arranged in the top shell (3) and the lens faces the glue tank (17).

3. The light-cured 3D printer according to claim 1, wherein: The top shell (3) is provided with a heat dissipation hole (43).

4. The light-cured 3D printer according to claim 1, wherein: The bottom of the lower shell (1) is provided with a plurality of height-adjustable supporting feet (44).

5. The light-cured 3D printer according to claim 1, wherein: One side of the upper shell (2) is provided with a control panel mounting table (45).

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