Resin tank capable of quickly replacing release film and photocuring printer

Abstract

The utility model is suitable for the technical field of 3D printing, and provides a resin tank capable of rapidly replacing a release film and a photocuring printer, the resin tank capable of rapidly replacing the release film comprises a frame body, a movable lock catch, the release film and a film pressing frame; the release film is used for photocuring printing light transmission and release film release; a surrounding boss protruding downwards is arranged on the lower edge of the inner side of the frame body. The outer symmetrical sides of the frame body are connected with movable lock catches; the movable lock catch acts on the film pressing frame, so that the film pressing frame tightens and fixes the release film towards the surrounding boss, and the release film and the frame body form a resin groove; and when the movable lock catch releases the acting force on the film pressing frame, the release film and the film pressing frame are in a separable state. According to the release film locking device, the release film can be pressed by the film pressing frame through the movable lock catch to achieve rapid film locking, and the release film can be rapidly replaced after unlocking.

Description

Technical Field

[0001] The present application relates to the field of 3D printing technology, and in particular to a resin tank and a light-curing printer capable of quickly replacing a release film. Background Art

[0002] At present, 3D printing technology has been widely used. Among them, light-curing printers generally use a resin tank with a release film to hold the photosensitive resin solution for printing. The release film is used for light-curing printing light transmission and release and demolding. After long-term use, the release film is prone to deformation, so the release film of the resin tank often needs to be replaced. Existing resin tanks generally use a double film frame to clamp the release film, and then the film frame is fixed to the tank body with dense screws to form a resin tank that can hold the resin solution.

[0003] However, when replacing the release film of this resin tank, the densely packed screws need to be removed one by one, which results in a complicated replacement process and inconvenient operation. Therefore, it is desirable to provide a resin tank that can quickly replace the release film and a light-curing printer using the resin tank. Utility Model Content

[0004] The purpose of the embodiments of the present application is to propose a resin tank that can quickly replace the release film and a light-curing printer using the resin tank. The resin tank that can quickly replace the release film in the present application can quickly lock the film by pressing the film pressing frame against the release film through a movable lock, and can also quickly replace the release film after releasing the lock.

[0005] The embodiment of the present application provides a resin tank with a quickly replaceable release film, comprising a frame, a movable lock, a release film, and a film pressing frame; the release film is used for light-curing printing, light transmission, and film release; the inner lower edge of the frame has a downwardly protruding surrounding boss; the outer symmetrical side of the frame is connected to the movable lock; the movable lock acts on the film pressing frame, so that the film pressing frame tightens and fixes the release film to the surrounding boss, so that the release film and the frame form a resin tank; the movable lock releases the force on the film pressing frame, so that the release film and the film pressing frame are in a detachable state.

[0006] Furthermore, the movable lock includes an axial connector, a flip block, a hand plate, and a hook body; on one side of the frame, the axial connector is connected to the outside of the frame, the flip block axis is connected to the axial connector, the hand plate is connected to the flip block, and the hook body is movably connected to the flip block; the hand plate drives the flip block to flip with the axial connector as the axis, and the flip block drives the hook body to hook or release the film pressing frame.

[0007] Furthermore, an axis hole is provided on the axis connector; the flip block includes an axis column, a flip axis hole, and a hook axis hole; the flip axis hole and the hook axis hole pass through the flip block in parallel; the axis column is connected to the axis hole and the flip axis hole; the hook body is movably connected to the hook axis hole.

[0008] Preferably, a shaft mounting groove is provided on the side of the frame; and the shaft connector is connected and fixed to the shaft mounting groove.

[0009] Preferably, on one side of the frame, the hand plate is simultaneously connected to at least one of the flip blocks.

[0010] Preferably, the flip block and the hand plate are an integrally formed structure.

[0011] Preferably, at least one hand-locking position is provided on the hand plate; the hand-locking position adopts a hand-locking groove or a hand-locking protrusion structure; the hand-locking position is convenient for locking the hand plate.

[0012] Preferably, the frame is a nearly rectangular frame; and end ears are provided on the hand plate on the short sides of the frame, and the end ears are convenient for holding.

[0013] Preferably, a hook groove is provided on the film pressing frame; the hook groove is a shallow groove or a through hole; the hook body is supported by the hook groove; and the hook groove is used for anti-slip.

[0014] Preferably, on one side surface of the frame, there are one or more movable locks.

[0015] Preferably, a side long groove is provided on the side of the frame; the movable lock is provided in the side long groove; the side long groove is used to realize the sunken partial hiding of the movable lock.

[0016] Preferably, the bottom of the frame is provided with supporting legs; the supporting legs are used to lift the release film after being pressed and fixed.

[0017] Preferably, a plurality of positioning holes are provided on the release film near the edge; a plurality of positioning posts are provided on the film pressing frame; the release film is placed in cooperation with the positioning posts on the film pressing frame through the positioning holes;

[0018] When the release film is tightened and fixed, the positioning post pulls and flattens the release film through the positioning hole; a positioning groove is provided at the bottom of the frame; the positioning groove is used to accommodate the positioning post.

[0019] Preferably, the frame is a nearly rectangular frame; a handle hole is provided in the middle of a short side of the frame; the handle hole is used to install a screw for connecting and fixing the handle to the light-curing printer.

[0020] Preferably, the upper edge of the frame is provided with a guide port; the guide port is used for guiding the resin when pouring.

[0021] Furthermore, the resin tank capable of quickly replacing the release film further comprises a nozzle; a nozzle fixing hole is provided on the upper edge of the frame; and the nozzle is connected and fixed to the nozzle fixing hole.

[0022] The present application also aims to provide a light-curing printer. Specifically, the light-curing printer includes the above-mentioned resin tank capable of quickly replacing the release film.

[0023] Compared with the prior art, the present invention has the following advantages:

[0024] 1. The embodiments of the present application provide a resin tank with a quick-change release film. The release film can be quickly locked by pressing the film pressing frame against the release film through a movable lock. The release film can also be quickly replaced after the lock is released.

[0025] 2. The present invention provides a resin tank with a quick-change release film. Multiple hooks on one side of the tank can be simultaneously locked and unlocked using a single hand lever. This linkage is more convenient than operating each hook individually.

[0026] 3. The resin tank with a quick-change release film proposed in the present application has a side slot on one side of the tank body, which allows the movable lock to be sunken and partially hidden, making the resin tank more concise and beautiful overall.

[0027] 4. The resin tank with a quick-replaceable release film proposed in the embodiment of the present application can be equipped with a nozzle at the guide port, which can make it more convenient to pour the resin when recycling the resin into the bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is an overall schematic diagram of a resin tank capable of quickly replacing a release film according to an embodiment of the present application;

[0029] Figure 2 This is a partially exploded schematic diagram of a resin tank capable of quickly replacing a release film according to an embodiment of the present application;

[0030] Figure 3 This is a schematic diagram of the bottom of the frame of the resin tank capable of quickly replacing the release film according to an embodiment of the present application;

[0031] Figure 4 Schematic diagram of the release film and film pressing frame of the resin tank capable of quickly replacing the release film according to an embodiment of the present application;

[0032] Figure 5 This is a schematic diagram of the installation of a movable lock for a resin tank capable of quickly replacing a release film according to an embodiment of the present application;

[0033] Figure 6 This is a schematic diagram of the unlocked state of the movable lock of the resin tank capable of quickly replacing the release film according to an embodiment of the present application;

[0034] Figure 7 Detailed diagram of the movable lock of the resin tank for quick replacement of the release film in the embodiment of the present application Figure 1 ;

[0035] Figure 8 Detailed diagram of the movable lock of the resin tank for quick replacement of the release film in the embodiment of the present application Figure 2 ;

[0036] Figure 9 This is a schematic diagram of the bottom of the film pressing frame of the resin tank that can quickly replace the release film according to an embodiment of the present application;

[0037] Figure 10 This is a schematic diagram of the nozzle installation of the resin tank that can quickly replace the release film according to the embodiment of the present application;

[0038] Figure 11 This is an overall schematic diagram of a light-curing printer using the resin tank of the present application in an embodiment of the present application.

[0039] Description of labels:

[0040] Frame 1; movable lock 2; release film 3; film pressing frame 4; nozzle 5; surrounding boss 10; side hole 11; shaft mounting slot 12; side long slot 13; leg 14; positioning slot 15; handle hole 16; guide port 17; nozzle fixing hole 18; shaft connector 21; flip block 22; hand plate 23; hook body 24; positioning hole 31; positioning column 41; hook slot 42; shaft hole 210; shaft column 220; flip shaft hole 221; hook shaft hole 222; hand latch 231; end ear 232; connecting platform 233; resin tank 100 for quickly replacing release film; light-curing printer 200; forming platform 201. DETAILED DESCRIPTION

[0041] In order to make the purpose, features, and advantages of the invention of this application more obvious and easy to understand, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the embodiments described below are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0042] Figure 1This is a schematic diagram of a resin tank with a quick-change release film according to an embodiment of the present application. As shown in the figure, the resin tank 100 with a quick-change release film according to an embodiment of the present application includes a frame 1, a movable lock 2, a release film 3, and a film pressing frame 4. Specifically, the frame 1 is a nearly rectangular frame; the release film 3 is used for light-curing printing, light transmission, and film release; the frame 1 has a downwardly protruding surrounding boss 10 on the inner lower edge (refer to Figure 3 ); The outer symmetrical sides of the frame 1 are connected with movable lock buckles 2; Specifically in the embodiment of the present application, the four sides of the frame 1, that is, the two symmetrical sides, are provided with movable lock buckles 2 (reference Figure 2 ); the movable lock 2 acts on the film pressing frame 4, so that the film pressing frame 4 tightens and fixes the release film 3 to the surrounding boss 10, and the release film 3 and the frame 1 form a resin groove; the movable lock 2 releases the force on the film pressing frame 4, and the release film 3 and the film pressing frame 4 are in a detachable state.

[0043] Figure 2 This is a partially exploded schematic diagram of a resin tank with a quick-change release film according to an embodiment of the present application. As shown in the figure, it can be further understood that the resin tank 100 with a quick-change release film according to the embodiment of the present application comprises a frame 1, a movable latch 2, a release film 3, and a film pressing frame 4. The frame 1 is a nearly rectangular frame. The movable latch 2 is provided on all four sides of the frame 1, i.e., on both symmetrical sides. A plurality of positioning holes 31 are provided near the edge of the release film 3. The film pressing frame 4 is provided with a plurality of positioning posts 41. The release film 3 is positioned in alignment with the positioning posts 41 on the film pressing frame 4 through the positioning holes 31.

[0044] Figure 3 This is a schematic diagram of the bottom of a resin tank capable of quickly replacing release film according to an embodiment of the present application. As shown, the frame 1 has a downwardly protruding surrounding boss 10 on the inner lower edge; this boss 10 tightens and secures the release film 3. The bottom of the frame 1 is provided with a positioning slot 15, which is used to accommodate a positioning post 41.

[0045] In addition, three shaft mounting grooves 12 are provided on the long side of the frame 1; a side hole 11 is provided in the shaft mounting groove 12; and a shaft connector 21 is connected and fixed to the side hole 11 in the shaft mounting groove 12 (see Figure 5 ).

[0046] Figure 4 This is a schematic diagram of the release film and laminating frame of a resin tank capable of quickly replacing the release film according to an embodiment of the present application. As shown in the figure, multiple positioning holes 31 are provided near the edge of the release film 3; multiple positioning posts 41 are provided on the laminating frame 4; the release film 3 is positioned in alignment with the positioning posts 41 on the laminating frame 4 through the positioning holes 31;

[0047] Furthermore, when the release film 3 is tightened and fixed, the positioning posts 41 pull and flatten the release film 3 through the positioning holes 31 .

[0048] Figure 5 This is a schematic diagram of the installation of a movable lock for a resin tank with a quick-change release film according to an embodiment of the present application. As shown in the figure, the resin tank 100 with a quick-change release film comprises a frame 1, a movable lock 2, a release film 3, and a film pressing frame 4; the release film 3 is used for light-curing printing and film release; the outer symmetrical side of the frame 1 is connected to the movable lock 2; the movable lock 2 acts on the film pressing frame 4, causing the film pressing frame 4 to push the release film 3 toward the surrounding boss 10 (such as Figure 3 ) is tightened and fixed, and the release film 3 and the frame 1 form a resin groove; the movable lock 2 releases the force on the film pressing frame 4, and the release film 3 and the film pressing frame 4 are in a detachable state.

[0049] Specifically, the movable lock 2 in the figure includes an axial connector 21, a flip block 22, a hand plate 23, and a hook body 24; wherein, an axial hole 210 is provided on the axial connector 21; the flip block 22 includes an axial column 220, a flip axial hole 221, and a hook axial hole 222; the flip axial hole 221 and the hook axial hole 222 pass through the flip block 22 in parallel; the axial column 220 is axially connected to the axial hole 210 and the flip axial hole 221; the hook body 24 is movably connected to the hook axial hole 222.

[0050] On one side of the frame 1, the shaft connector 21 is connected to the outside of the frame 1, the flip block 22 is axially connected to the shaft connector 21, the hand plate 23 is connected to the flip block 22, and the hook body 24 is movably connected to the flip block 22; the hand plate 23 drives the flip block 22 to flip with the shaft connector 21 as the axis, so that the flip block 22 can drive the hook body 24 to hook or release the film pressing frame 4.

[0051] In addition, handle holes 16 are provided in the middle of the left and right short sides of the frame 1 ; the handle holes 16 are used to install screws for connecting and fixing the light-curing printer.

[0052] Figure 6 This is a schematic diagram of the unlocked state of the active lock of the resin tank with a quick-change release film according to an embodiment of the present application. As shown in the figure, the movable lock 2 around the resin tank 100 with a quick-change release film is flipped and unlocked; it can be seen that the hook body 24 is in the unhooked and released state at this time; the frame 1 in the figure is a nearly rectangular frame; two latching positions 231 are provided on the hand plate 23 on the long side of the frame 1; and one latching position 231 is provided on the hand plate 23 on the short side; the latching position 231 is convenient for detent operation of the hand plate 23; specifically, the latching position 231 in this figure adopts a latching groove structure, but it can also be designed as a latching protrusion structure;

[0053] Furthermore, an end ear 232 is provided on the hand plate 23 on the short side of the frame 1, and the end ear 232 is convenient for holding the entire resin tank;

[0054] In addition, a guide port 17 is provided on the lower right corner of the frame 1 (see FIG. Figure 10 ); and the upper edge of the guide port 17 is also provided with two nozzle fixing holes 18; these two nozzle fixing holes 18 are used to install and fix such as Figure 10 The nozzle 5 shown; the nozzle 5 can make it more convenient to pour the resin when recycling the resin into the bottle.

[0055] Figure 7 Detailed diagram of the movable lock of the resin tank for quick replacement of the release film in the embodiment of the present application Figure 1 As shown in the figure, part of the flip block 22 and the hook body 24 are omitted in the figure; the purpose is to gradually and clearly show the connection structure of each component; the movable lock 2 in the figure includes an axis connector 21, a flip block 22, a hand plate 23, and a hook body 24; the flip block 22 and the hand plate 23 in this figure adopt a split design, and a concave connecting platform 233 is provided on the hand plate 23, and the flip block 22 is connected to this connecting platform 233, which can maintain a higher consistency of the overall appearance; at least one buckle position 231 is also provided on the hand plate 23; the buckle position 231 is convenient for buckling the hand plate 23; the axis connector 21 is connected to the outside of the frame 1 (see Figure 5 ), the flip block 22 is connected to the shaft connector 21 through the shaft column 220, the hand plate 23 is connected to the flip block 22, and the hook body 24 is movably connected to the flip block 22; the hand plate 23 can drive three flip blocks 22 at the same time.

[0056] Figure 8 Detailed diagram of the movable lock of the resin tank for quick replacement of the release film in the embodiment of the present application Figure 2 As shown in the figure, the movable lock 2 includes an axis connector 21, a flip block 22, a hand plate 23, and a hook body 24. As can be seen from the figure, when the user manually pulls the hand plate 23, the flip block 22 and the hand plate 23 flip around the axis hole 210 of the axis connector 21, and at this time the hook body 24 can flip around the flip axis hole 221 on the flip block 22, so that the hook body 24 can be hooked to Figure 9 The hook groove 42 shown can lock the film pressing frame 4.

[0057] Figure 9 This is a schematic diagram of the bottom of the film pressing frame of the resin tank that can quickly replace the release film in the embodiment of the present application. As shown in the figure, a plurality of hook grooves 42 are provided on the film pressing frame 4; the number of the hook grooves 42 is the same as that of the film pressing frame 4. Figure 5 The number and position of the middle hook bodies 24 remain consistent, and the hook grooves 42 are shallow grooves or through holes; the hook bodies 24 can be supported in the hook grooves 42; and the hook grooves 42 are used for anti-slip.

[0058] In addition, when the hook groove 42 adopts a shallow groove structure, it needs to be set at the bottom of the film pressing frame 4; accordingly, the release film 3 in the figure is used for reference to illustrate that the hook groove 42 is located at the bottom of the film pressing frame 4.

[0059] Figure 10 This is a schematic diagram of the nozzle installation for a resin tank capable of quickly replacing release films, according to an embodiment of the present application. As shown, a guide port 17 is provided at the upper edge of one corner of the frame 1; a nozzle 5 is positioned in its place. A nozzle fixing hole 18 is provided at the upper edge of the frame 1; the nozzle 5 is connected and fixed to the nozzle fixing hole 18. The guide port 17 is used to guide the resin when pouring; the nozzle 5 facilitates the pouring of the resin when recycling it into the bottle.

[0060] In addition, the frame 1 is provided with side grooves 13 on the sides; the movable lock 2 is provided in the side grooves 13; the side grooves 13 enable the movable lock 3 to be partially hidden in the sunken position, making the resin tank more simple and beautiful as a whole.

[0061] Figure 11 The figure is a schematic diagram of a light-curing printer using the resin tank of the present invention in accordance with an embodiment of the present invention. As shown in the figure, the figure shows a schematic diagram of the overall use of the resin tank 100 of the present invention with a quick-change release film in a light-curing printer 200. The resin tank 100 with a quick-change release film functions similarly to a conventional resin tank, both of which are used to hold a photosensitive resin solution. During the printing process, the release film 3 is used to transmit light for light-curing printing. The release film 3 also needs to be separated from the forming platform 201. Therefore, when the release film 3 needs to be replaced, the resin tank 100 with a quick-change release film as described in the embodiment of the present invention can be used to quickly replace and reuse the release film 3.

[0062] It should be understood that in this specification, the terms "upper", "lower", "left", "right", "side", "bottom" and "edge" are only for the convenience of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of this application.

[0063] The above specific embodiments do not constitute a limitation on the scope of protection of this application. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions may be made based on design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application shall be included within the scope of protection of this application.

Claims

1. A resin tank capable of quickly replacing a release film, characterized in that: The invention comprises a frame (1), a movable lock (2), a release film (3), and a film pressing frame (4); the release film (3) is used for light-curing printing light transmission and film release; the inner lower edge of the frame (1) is provided with a downwardly protruding surrounding boss (10); the outer symmetrical side of the frame (1) is connected with the movable lock (2); the movable lock (2) acts on the film pressing frame (4), so that the film pressing frame (4) tightens and fixes the release film (3) to the surrounding boss (10), and the release film (3) and the frame (1) form a resin groove; the movable lock (2) releases the force acting on the film pressing frame (4), and the release film (3) and the film pressing frame (4) are in a detachable state.

2. The resin tank with a quick-change release film according to claim 1, characterized in that: The movable lock (2) comprises an axial connector (21), a flip block (22), a hand plate (23), and a hook body (24); on one side of the frame (1), the axial connector (21) is connected to the outside of the frame (1), the flip block (22) is axially connected to the axial connector (21), the hand plate (23) is connected to the flip block (22), and the hook body (24) is movably connected to the flip block (22); The hand plate (23) drives the flip block (22) to flip with the shaft connector (21) as the axis, and the flip block (22) drives the hook body (24) to hook or release the film pressing frame (4).

3. The resin tank with a quick-change release film according to claim 2, characterized in that: The shaft connector (21) is provided with a shaft hole (210); the flip block (22) comprises a shaft column (220), a flip shaft hole (221), and a hook shaft hole (222); the flip shaft hole (221) and the hook shaft hole (222) are parallel and pass through the flip block (22); the shaft column (220) is axially connected to the shaft hole (210) and the flip shaft hole (221); and the hook body (24) is movably connected to the hook shaft hole (222).

4. The resin tank with a quick-change release film according to claim 2, characterized in that: A shaft mounting groove (12) is provided on the side of the frame (1); and the shaft connector (21) is connected and fixed to the shaft mounting groove (12).

5. The resin tank with a quick-change release film according to claim 2, characterized in that: On one side of the frame (1), the hand plate (23) is simultaneously connected to at least one of the flip blocks (22).

6. The resin tank with a quick-change release film according to claim 2, characterized in that: The flip block (22) and the hand plate (23) are an integrally formed structure.

7. The resin tank with a quick-change release film according to claim 2, characterized in that: At least one hand-locking position (231) is provided on the hand plate (23); the hand-locking position (231) adopts a hand-locking groove or a hand-locking protrusion; the hand-locking position (231) is convenient for locking the hand plate (23).

8. The resin tank capable of quickly replacing the release film according to claim 2, characterized in that: The frame (1) is a nearly rectangular frame; and an end ear (232) is provided on the hand plate (23) on the short side of the frame (1), and the end ear (232) is convenient for holding.

9. The resin tank capable of quickly replacing the release film according to claim 2, characterized in that: The film pressing frame (4) is provided with a hook groove (42); the hook groove (42) is a shallow groove or a through hole; the hook body (24) is supported by the hook groove (42); the hook groove (42) is used for anti-slip.

10. The resin tank with a quick-change release film according to claim 1, characterized in that: On one side of the frame (1), the number of the movable lock buckles (2) is one or more.

11. The resin tank with a quick-change release film according to claim 1, characterized in that: A side long groove (13) is provided on the side of the frame (1); the movable lock buckle (2) is provided in the side long groove (13); the side long groove (13) is used to realize a sunken partial concealment of the movable lock buckle (2).

12. The resin tank with a quick-change release film according to claim 1, characterized in that: The bottom of the frame (1) is provided with supporting legs (14); the supporting legs (14) are used to lift the release film (3) after being pressed and fixed.

13. The resin tank with a quick-change release film according to claim 1, wherein: The release film (3) is provided with a plurality of positioning holes (31) near the edge; the film pressing frame (4) is provided with a plurality of positioning posts (41); the release film (3) is placed in coordination with the positioning posts (41) on the film pressing frame (4) through the positioning holes (31); When the release film (3) is tightened and fixed, the positioning column (41) pulls and flattens the release film (3) through the positioning hole (31); a positioning groove (15) is provided at the bottom of the frame (1); the positioning groove (15) is used to accommodate the positioning column (41).

14. The resin tank with a quick-change release film according to claim 1, wherein: The frame (1) is a nearly rectangular frame; a handle hole (16) is provided in the middle of the short side of the frame (1); the handle hole (16) is used to install a screw connected to and fixed to the light-curing printer.

15. The resin tank capable of quickly replacing release film according to claim 1, characterized in that: The upper edge of the frame (1) is provided with a flow guide port (17); the flow guide port (17) is used for guiding the flow when pouring the resin.

16. The resin tank with a quick-change release film according to claim 1, characterized in that: It also includes a nozzle (5); a nozzle fixing hole (18) is provided on the upper edge of the frame (1); and the nozzle (5) is connected and fixed to the nozzle fixing hole (18).

17. A light-curing printer, characterized in that: A resin tank comprising the quickly replaceable release film according to any one of claims 1 to 16.

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