Material tray stirring device of DLP (Digital Light Processing) photo-curing printer

Abstract

The utility model relates to the technical field of photocuring printers, and discloses a DLP photocuring printer material tray stirring device which comprises a machine box, a stirring cutter and two synchronous stirring driving assemblies. The output ends of the two synchronous stirring driving assemblies are connected with the two ends of the stirring cutter respectively, the stirring cutter comprises a stirring end, the stirring end extends into the material disc, the two sides of the stirring end are connected with first connecting ends respectively, the first connecting ends are connected with second connecting ends, and the second connecting ends are connected with the stirring driving assemblies. And the second connecting end is connected with the output end of the stirring driving assembly. The stirring end of the stirring cutter extends into the material disc, the two ends of the stirring driving assembly are connected with the second connecting ends of the stirring cutter, the stirring driving assembly drives the stirring cutter to move front and back to stir the material disc, resin in the material disc can be stirred, and the thickness of the resin is uniform.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light curing printer, especially to a DLP light curing printer material disc stirring device. BACKGROUND

[0002] DLP light curing printer is through digital projection technology, utilizes digital micro - mirror device (DMD chip) to reflect light to form image. DMD chip is made of millions of tiny mirrors, these mirrors can tilt to reflect the light from the light source to form a projection image. The printer projects a layer of image directly to the resin surface through the projector, solidifies the whole layer of resin once, realizes fast printing. This technology makes DLP printer can print three-dimensional model with high precision and speed, especially the curved surface and the part of rich details.

[0003] In order to prevent resin curing, often heating resin, but for the resin on the material disc, heating can only prevent curing, but the consistency of resin is uneven, and part of resin will be adhered to the bottom surface of the material disc. SUMMARY

[0004] Based on the above, the purpose of the utility model is to provide a DLP light curing printer material disc stirring device, which can stir the resin in the material disc, so that the consistency of resin is uniform.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a DLP light curing printer material disc stirring device, it includes the case, be provided with the material disc on the case, still include stirring knife and two synchronous stirring drive assembly,

[0007] The output end of two synchronous stirring drive assembly is connected with the both ends of stirring knife respectively, the stirring knife includes stirring end, the stirring end extends into the material disc, the both sides of the stirring end are connected with first connecting end respectively, the first connecting end is connected with second connecting end, and the output end of stirring drive assembly is connected with second connecting end.

[0008] Preferably, the first connecting end extends along the vertical direction, and the second connecting end extends along the horizontal direction.

[0009] Preferably, the bottom of the stirring knife is pointed.

[0010] Preferably, the both sides of the material disc are provided with a chute, the output end of the stirring drive assembly is provided with a sliding plate, the sliding plate passes through the chute, and the sliding plate is connected with the second connecting end.

[0011] Preferably, the top of the sliding plate is further provided with a first connecting hole, the second connecting end is connected with a third connecting end, a connecting groove is formed in the third connecting end, and the stirring blade and the sliding plate are connected by a first locking screw penetrating through the connecting groove and the first connecting hole.

[0012] Preferably, the stirring driving assembly comprises a stirring driving motor, a driving wheel and a driven wheel, the output end of the stirring driving motor is connected with the driving wheel, a belt is sleeved between the driving wheel and the driven wheel, the belt is located below the chute and is parallel to the chute, and the bottom of the sliding plate is connected with the belt.

[0013] Preferably, the bottom of the sliding plate is provided with a fixing part, the fixing part comprises a first fixing end, a first sliding hole is formed in the first fixing end, a second fixing end is arranged below the first fixing end, an avoiding groove is formed in the second fixing end, a third fixing end is arranged below the second fixing end, a through groove is arranged in the third fixing end, a fourth fixing end is arranged below the third fixing end, and a second sliding hole is arranged in the fourth fixing end.

[0014] The belt penetrates through the avoiding groove and the through groove.

[0015] The clamping part is clamped into the avoiding groove and connected with the second fixing end, and the clamping part clamps the belt.

[0016] The first sliding rod penetrates through the first sliding hole.

[0017] The second sliding rod penetrates through the second sliding hole.

[0018] Preferably, the clamping part comprises a clamping fixing end and a clamping connecting end, the clamping fixing end clamps the belt, and the clamping connecting end is connected with the second fixing end by a second locking screw.

[0019] The DLP light curing printer material disc stirring device has the advantages that:

[0020] The DLP light curing printer material disc stirring device has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings described in the following are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application.

[0022] Figure 1 The structure schematic diagram of the DLP photocuring printer provided by the embodiments of the present application is provided.

[0023] Figure 2 The material disc stirring device of the DLP photocuring printer is provided by the embodiments of the present application.

[0024] Figure 3 The structure schematic diagram of the stirring driving assembly provided by the embodiments of the present application is provided.

[0025] Figure 4 The structure schematic diagram of the stirring knife provided by the embodiments of the present application is provided.

[0026] In the drawings:

[0027] 1, case; 2, material disc; 3, stirring knife; 31, stirring end; 32, first connecting end; 33, second connecting end; 34, third connecting end; 341, connecting groove; 4, stirring driving assembly; 41, stirring driving motor; 42, driving wheel; 43, follower wheel; 44, belt; 45, first sliding rod; 46, second sliding rod; 47, sliding plate; 471, first connecting hole; 48, fixed part; 481, first fixed end; 482, second fixed end; 4821, avoiding groove; 483, third fixed end; 4831, through groove; 484, fourth fixed end; 485, clamping part; 4851, clamping fixed end; 4852, clamping connecting end; 5, sliding groove; 6, mounting plate. DETAILED DESCRIPTION

[0028] In order to make the technical problems solved by the present application, the technical solutions adopted and the technical effects reached more clear, the following will further describe the technical solutions of the embodiments of the present application in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application.

[0029] In the description of the utility model, unless another definite provision and limitation, the term "link", "connection", "fix" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two element's interaction relationship.For the ordinary skill in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0030] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional features between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0031] In the description of the embodiment, the terms "on", "under", "left", "right", etc. Orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0032] As Figures 1 to 4 The utility model discloses a DLP light solidification printer material disc 2 stirring device, it includes the case 1, be provided with material disc 2 on the case 1, still include stirring knife 3 and two synchronous stirring drive assembly 4, two synchronous stirring drive assembly 4's output end is connected two ends of stirring knife 3 respectively, stirring knife 3 includes stirring end 31, stirring end 31 extends into material disc 2, the two sides of stirring end 31 are connected with first connecting end 32 respectively, first connecting end 32 is connected with second connecting end 33, and second connecting end 33 connects the output end of stirring drive assembly 4.The first connecting end 32 extends along the vertical direction, and the second connecting end 33 extends along the horizontal direction.The bottom of stirring knife 3 is pointed.

[0033] The utility model provides a kind of DLP light curing printer material disc 2 stirring device, the stirring end 31 of stirring knife 3 extends into material disc 2, the second connecting end 33 of stirring knife 3 is connected at both ends of stirring drive assembly 4, stirring knife 3 is driven by stirring drive assembly 4 and moves forward and backward to stir material disc 2, resin in material disc 2 can be stirred, so that resin is thick and even uniform. Further, the bottom of stirring knife 3 is pointed, the bottom of stirring knife 3 is close to the position of the bottom in material disc 2, and the resin of excessively thick and sticky material under material disc 2 can be hung off.

[0034] In some embodiments, as shown in Figures 1 to 3 Two sides of the material disc 2 are provided with a chute 5, and the output end of the stirring drive assembly 4 is provided with a sliding plate 47, the sliding plate 47 passes through the chute 5, and the sliding plate 47 is connected to the second connecting end 33. Specifically, in the present embodiment, the stirring drive assembly 4 drives the entire stirring knife 3 to move by driving the sliding plate 47 to slide on the chute 5.

[0035] In some embodiments, as shown in Figure 2 And 4 The top of the sliding plate 47 is also provided with a first connecting hole 471, the second connecting end 33 is connected with a third connecting end 34, the third connecting end 34 is provided with a connecting groove 341, and the stirring knife 3 and the sliding plate 47 are connected by the first locking screw passing through the connecting groove 341 and the first connecting hole 471. Specifically, in the present embodiment, the sliding plate 47 and the stirring knife 3 are connected by the first locking screw, and the connecting position of the scraper can be changed through the connecting groove 341, so as to adapt to the depth of different material discs 2.

[0036] In some embodiments, as shown in Figure 2 And 3 The stirring drive assembly 4 includes a stirring drive motor 41, a driving wheel 42 and a follower wheel 43, the stirring drive motor 41 is arranged on a mounting plate 6, the mounting plate 6 is connected to the cabinet 1, the output end of the stirring drive motor 41 is connected to the driving wheel 42, the driving wheel 42 and the follower wheel 43 are rotatably connected to the mounting plate 6, a belt 44 is sleeved between the driving wheel 42 and the follower wheel 43, the belt 44 is located below the chute 5 and is parallel to the chute 5, and the bottom of the sliding plate 47 is connected to the belt 44. Specifically, in the present embodiment, the driving motor drives the driving wheel 42 to rotate, thereby driving the belt 44 to rotate, thereby driving the sliding plate 47 to drive the stirring knife 3 to move.

[0037] In some embodiments, as shown in Figure 2 And 3As shown, the bottom of the sliding plate 47 is provided with a fixing part 48, the fixing part 48 includes a first fixing end 481, a first sliding hole is formed in the first fixing end 481, a second fixing end 482 is arranged below the first fixing end 481, an avoiding groove 4821 is formed in the second fixing end 482, a third fixing end 483 is arranged below the second fixing end 482, a through groove 4831 is arranged in the third fixing end 483, a fourth fixing end 484 is arranged below the third fixing end 483, and a second sliding hole is formed in the fourth fixing end 484; the belt 44 passes through the avoiding groove 4821 and the through groove 4831; a clamping part 485 is clamped into the avoiding groove 4821 and connected with the second fixing end 482, and clamps the belt 44; a first sliding rod 45 is connected with the mounting plate 6 at both ends and passes through the first sliding hole; and a second sliding rod 46 is connected with the mounting plate 6 at both ends and passes through the second sliding hole. The clamping part 485 includes a clamping fixing end 4851 and a clamping connecting end 4852, the clamping fixing end 4851 clamps the belt 44, and the clamping connecting end 4852 is connected with the second fixing end 482 by a screw. Specifically, in the embodiment, the fixing part 48 is arranged at the bottom of the sliding plate 47, the first fixing end 481 and the fourth fixing end 484 on the fixing part 48 slide on the first sliding rod 45 and the second sliding rod 46 through the first sliding hole and the second sliding hole respectively, so that the sliding plate 47 can keep stability when sliding. The second fixing end 482, the avoiding groove 4821 and the through groove 4831 corresponding to the second fixing end 482 avoid the belt 44, and the belt 44 is connected by the clamping part 485, so that the connection and installation of the sliding rod and the belt 44 are facilitated.

[0038] It should be noted that the above only describes the preferred embodiments of the present application and the technical principles used. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A mixing device for a material tray (2) of a DLP photopolymer printer, comprising a housing (1) on which a material tray (2) is disposed, characterized in that, It also includes a stirring blade (3) and two synchronous stirring drive components (4); The output ends of the two synchronous stirring drive components (4) are respectively connected to the two ends of the stirring blade (3). The stirring blade (3) includes a stirring end (31), which extends into the material tray (2). The two sides of the stirring end (31) are respectively connected to a first connecting end (32), and the first connecting end (32) is connected to a second connecting end (33). The second connecting end (33) is connected to the output end of the stirring drive component (4).

2. The stirring device for the tray (2) of a DLP photopolymer printer according to claim 1, characterized in that, The first connecting end (32) extends vertically, and the second connecting end (33) extends horizontally.

3. The stirring device for the material tray (2) of a DLP photopolymer printer according to claim 1, characterized in that, The bottom of the stirring blade (3) is pointed.

4. The stirring device for the tray (2) of a DLP photopolymer printer according to claim 1, characterized in that, The material tray (2) is provided with grooves (5) on both sides, and the output end of the stirring drive assembly (4) is provided with a slide plate (47). The slide plate (47) passes through the grooves (5) and is connected to the second connection end (33).

5. The stirring device for the tray (2) of a DLP photopolymer printer according to claim 4, characterized in that, The top of the slide plate (47) is also provided with a first connecting hole (471), and the second connecting end (33) is connected to a third connecting end (34). The third connecting end (34) is provided with a connecting groove (341). The stirring blade (3) and the slide plate (47) can be connected by passing a first locking screw through the connecting groove (341) and the first connecting hole (471).

6. The stirring device for the tray (2) of a DLP photopolymer printer according to claim 5, characterized in that, The stirring drive assembly (4) includes a stirring drive motor (41), a drive wheel (42), and a follower wheel (43). The output end of the stirring drive motor (41) is connected to the drive wheel (42). A belt (44) is sleeved between the drive wheel (42) and the follower wheel (43). The belt (44) is located below the chute (5) and parallel to the chute (5). The bottom of the slide plate (47) is connected to the belt (44).

7. The stirring device for the tray (2) of a DLP photopolymer printer according to claim 6, characterized in that, The bottom of the slide plate (47) is provided with a fixing part (48), the fixing part (48) includes a first fixing end (481), the first fixing end (481) is provided with a first sliding hole, a second fixing end (482) is provided below the first fixing end (481), the second fixing end (482) is provided with a relief groove (4821), a third fixing end (483) is provided below the second fixing end (482), the third fixing end (483) is provided with a through groove (4831), and a fourth fixing end (484) is provided below the third fixing end (483), the fourth fixing end (484) is provided with a second sliding hole; The belt (44) passes through the clearance groove (4821) and the through groove (4831); The clamping part (485) is inserted into the relief groove (4821) and connected to the second fixed end (482), which clamps the belt (44); The first slide rod (45) passes through the first sliding hole; The second slide bar (46) passes through the second slide hole.

8. The stirring device for the tray (2) of a DLP photopolymer printer according to claim 7, characterized in that, The clamping part (485) includes a clamping fixing end (4851) and a clamping connecting end (4852). The clamping fixing end (4851) clamps the belt (44), and the clamping connecting end (4852) is connected to the second fixing end (482) by a second locking screw.

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