A print build plate assisted detachment device

Abstract

This application relates to the field of 3D printing technology and provides a assisted detachment device for a printed build plate, applicable to a 3D printer having a print head, a print platform, and a printed build plate. The assisted detachment device includes: a pusher, a filament puller, and a movable top platform; the pusher is connected to the filament puller, and the filament puller is connected to the movable top platform; the print head pushes the pusher, causing the filament puller to drive the movable top platform to lift the printed build plate upward, thereby assisting the printed build plate in detaching from the print platform.

Description

Technical Field

[0001] This application relates to the field of 3D printing technology, specifically to a device for assisting the release of a printed build plate. Background Technology

[0002] Existing FDM printers typically have a printing build plate attached to the printing platform, and the model is formed and adhered to the printing build plate. After the model is printed, the printing build plate and the attached model need to be manually removed. However, since the adhesion between some printing build plates and the printing platform is relatively strong, it is not easy to remove the printing build plate manually. Therefore, there is a need for a device that can facilitate the detachment of the printing build plate. Utility Model Content

[0003] The purpose of this application is to provide a device that facilitates the removal of a printed build board.

[0004] This application provides a device for assisting the release of a printed build plate, applicable to a 3D printer with a print head and a printed build plate. The device includes: a pusher, a filament puller, and a movable top platform. The pusher is connected to the filament puller, and the filament puller is connected to the movable top platform. The print head pushes the pusher, causing the filament puller to lift the movable top platform upwards, thereby assisting the printed build plate in detaching from the printing platform.

[0005] Furthermore, the actuator includes: a fixed base and a pull rod; the pull rod is movably connected to the fixed base; the fixed base is detachably fixed to the 3D printer.

[0006] Furthermore, the actuator also includes: a lever shaft; the lever shaft is disposed on the pull-wire lever; the pull-wire lever moves about the lever shaft as its pivot point.

[0007] Furthermore, the actuator also includes a roller; the roller is disposed at the end of the pull-wire lever; the roller is used to reduce friction.

[0008] Furthermore, the puller includes: a pull wire and a guide tube; the pull wire is disposed inside the guide tube; one end of the pull wire is connected to the actuator; and the other end of the pull wire is connected to the movable top platform.

[0009] Furthermore, the actuator also includes: a tube end fixing groove; the tube end fixing groove is disposed on the fixing seat; one end of the conduit is fixed to the tube end fixing groove.

[0010] Furthermore, the movable top platform includes: a docking seat, a lifting frame, and a sliding block; the docking seat is detachably fixed to the 3D printer; the lifting frame is movably connected to the docking seat; the sliding block is connected to the cable puller; the sliding block is movably connected to the docking seat; the sliding block is used to drive the lifting frame to lift upwards.

[0011] Furthermore, the lifting frame is provided with an inclined surface; the sliding block is provided with a tooth; the tooth acts on the inclined surface to drive the lifting frame to lift upward.

[0012] Furthermore, the movable top platform also includes a docking buckle; the docking seat is detachably fixed to the 3D printer via the docking buckle.

[0013] Furthermore, the cable puller also includes a reset spring; the reset spring is disposed between the guide tube and the sliding block; the reset spring is used to reposition the cable pull lever and the sliding block.

[0014] Compared with the prior art, the beneficial effects of this application are:

[0015] 1. The printing build plate assisted release device proposed in this application embodiment is applicable to 3D printers with printing nozzles and printing build plates. It can push the actuator through the printing nozzle, so that the puller drives the movable top platform to lift the printing build plate upward, thereby assisting the printing build plate to release, which is labor-saving and convenient.

[0016] 2. The printing build plate assisted release device proposed in this application embodiment can be used as an additional structure to modify a 3D printer with a printing nozzle, printing platform and printing build plate. It has a wide range of adaptability and good compatibility. Attached Figure Description

[0017] Figure 1 This is an example of an application of the printed construction board assisted release device in this application;

[0018] Figure 2 This is an embodiment of a 3D printer to which the embodiments of this application apply;

[0019] Figure 3 This application provides an overall structural diagram of the fabrication board assisted release device for embodiments of the present application.

[0020] Figure 4 This application provides a partial structural diagram of the detachment device for printing the construction board in an embodiment of the invention.

[0021] Figure 5 This is an exploded view and installation diagram of the movable top platform according to an embodiment of this application;

[0022] Figure 6This is a schematic diagram of the inner structure of the top support frame according to an embodiment of this application;

[0023] Figure 7 This is Embodiment 1 of the toggle mechanism described in this application;

[0024] Figure 8 This is Embodiment 2 of the toggle mechanism described in this application;

[0025] Figure 9 This is a schematic diagram illustrating the lifting frame assisting in the detachment of the printed construction board in an embodiment of this application.

[0026] Label Explanation:

[0027] 1. Actuator; 2. Wire puller; 3. Movable top platform; 11. Fixed base; 12. Wire pull lever; 13. Pipe end fixing groove; 21. Wire pull; 22. Guide tube; 23. Return spring; 31. Connecting seat; 32. Lifting frame; 33. Sliding block; 34. Connecting buckle; 121. Lever shaft; 122. Roller; 311. Movable shaft; 321. Inclined surface; 331. 3D printer; 100. Base; 101. Slide rail; 102. Z-axis column; 103. Z-axis motor; 104. X-axis movable axis; 105. Printing nozzle; 106. Printing platform; 107. Printing construction plate; 108. Molded workpiece; 200. Detailed Implementation

[0028] To make the inventive objectives, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] Figure 1 This is an application embodiment of the print build plate detachment device according to the present application. As shown in the figure, the print build plate detachment device applicable to the 3D printer shown in the figure includes: a toggle 1, a puller 2, and a movable top platform 3; the toggle 1 is connected to the puller 2, and the puller 2 is connected to the movable top platform 3; the print head 106 pushes the toggle 1, causing the puller 2 to drive the movable top platform 3 to lift the print build plate 108 upward, thereby helping the print build plate 108 to detach from the printing platform 107.

[0030] Figure 2 This is an embodiment of a 3D printer applicable to the embodiments of this application. As shown in the figure, the 3D printer 100 exemplified in this figure includes a base 101, a slide rail 102, a Z-axis column 103, a Z-axis motor 104, an X-axis movable axis 105, a print head 106, a print platform 107, and a print build plate 108.

[0031] In the figure, a slide rail 102 along the Y-axis is provided on the base 101; the printing platform 107 moves along the Y-axis on the slide rail 102; the printing construction board 108 is attached to the printing platform 107.

[0032] Z-axis column 103 is connected to base 101; X-axis movable axis 105 moves along the Z-axis on Z-axis column 103; Z-axis motor 104 drives X-axis movable axis 105 to move up and down; Z-axis motor 104 moves up and down together with X-axis movable axis 105; print head 106 moves along the X-axis on X-axis movable axis 105; correspondingly, print head 106 can perform three-axis printing motion on print build plate 108.

[0033] Figure 3 This is an overall structural diagram of the printable build board detachment aid device according to an embodiment of this application. As shown in the figure, the printable build board detachment aid device exemplified in this embodiment includes: a toggle 1, a puller 2, and a movable top platform 3; the toggle 1 is connected to the puller 2, and the puller 2 is connected to the movable top platform 3;

[0034] The actuator 1 includes: a fixed base 11, a pull-wire lever 12, a lever shaft 121, and a tube end fixing groove 13; the pull-wire lever 12 is movably connected to the fixed base 11; combined with Figure 1 The mounting base 11 is detachably fixed to the top of the Z-axis column 103 of the 3D printer 100; the lever shaft 121 is set on the pull wire lever 12; the pull wire lever 12 moves around the lever shaft 121 as the pivot point; the tube end fixing groove 13 is set on the mounting base 11.

[0035] As can be seen in this diagram, the movable top platform 3 includes a docking seat 31 and a lifting frame 32; combined with Figure 1 As can be seen, the docking seat 31 is fixed to the base 101 of the 3D printer 100; the lifting frame 32 is movably connected to the docking seat 31 via the movable shaft 311.

[0036] Figure 4 The figure shows a partial structural diagram of the assisted release device for the printed construction board according to an embodiment of this application. As shown in the figure, the actuator 1 indicated in the figure includes: a fixed base 11, a pull cable lever 12, a lever shaft 121, and a tube end fixing groove 13;

[0037] In addition, the pull cable device 2 includes: a pull cable 21, a guide tube 22, and a return spring 23; the pull cable 21 is disposed inside the guide tube 22; the guide tube 22 can be used for force guidance; the guide tube 22 can be made of fluoropolymer tubing to reduce friction; the right end of the pull cable 21 is connected to a sliding block 33; and the sliding block 33 is provided with protrusions 331, which are used in conjunction with... Figure 6From this perspective, the protruding tooth 331 can act on the inclined surface 321, driving the lifting frame 32 to lift upwards; when the pull cable 21 is pulled, it can drive the sliding block 33 to move; when the pull cable 21 is loosened, the return spring 23 can push the sliding block 33 to return to its original position; correspondingly, combined with Figure 3 It can also drive the pull rod 12 to reset.

[0038] Figure 5 This is an exploded view and installation diagram of the movable top platform according to an embodiment of this application. As shown in the figure, the movable top platform 3 includes: a docking seat 31, a lifting frame 32, and a sliding block 33; the docking seat 31 is detachably fixed to the base 101 of the 3D printer 100; the lifting frame 32 is movably connected to the docking seat 31 via a movable shaft 311; the sliding block 33 is connected to the pull wire 21; the sliding block 33 is movably connected to the docking seat 31; the sliding block 33 is used to drive the lifting frame 32 to lift upward.

[0039] In addition, the movable top platform 3 in the figure also includes a docking buckle 34; the docking seat 31 is fixed to the base 101 of the 3D printer 100 by the docking buckle 34.

[0040] Figure 6 This is a schematic diagram of the inner structure of the lifting frame according to an embodiment of this application. As shown in the figure, the lifting frame 32 has a U-shaped structure with an inclined surface 321 on its inner side; the sliding block 33 is provided with a tooth 331; the tooth 331 acts on the inclined surface 321 to drive the lifting frame 32 to lift upward.

[0041] Figure 7 This is Embodiment 1 of the toggle device according to this application. As shown in the figure, the toggle device 1 includes: a fixed base 11, a pull-wire lever 12, a lever shaft 121, and a tube end fixing groove 13; the pull-wire lever 12 is movably connected to the fixed base 11; combined with Figure 1 The mounting base 11 is detachably fixed to the top of the Z-axis column 103 of the 3D printer 100; the lever shaft 121 is set on the pull wire lever 12; the pull wire lever 12 moves around the lever shaft 121 as the pivot point; the tube end fixing groove 13 is set on the mounting base 11; one end of the guide tube 22 is fixed to the tube end fixing groove 13; the pull wire 21 is set inside the guide tube 22; one end of the pull wire 21 is connected to the actuator 1; combined with Figure 4 As you can see, by pushing the lever 12 in this diagram, the sliding block 33 can be moved via the pull wire 21; and combined with... Figure 5 As can be seen, the protrusion 331 on the sliding block 33 acts on the inclined surface 321, which can drive the lifting frame 32 to lift upward.

[0042] Figure 8 This is Embodiment 2 of the toggle device according to the present application. As shown in the figure, the toggle device 1 includes: a fixed base 11, a pull-wire lever 12, a lever shaft 121, a tube end fixing groove 13, and a roller 122; the roller 122 is disposed at the end of the pull-wire lever 12; combined with Figure 1 As you can see, when the print head 106 pushes the pull rod 12, which acts on the roller 122, it can reduce friction and make the pushing action smoother.

[0043] Figure 9 This is a schematic diagram illustrating the lifting frame assisting in the detachment of the printed build plate in an embodiment of this application. As shown in the figure, after printing is completed, the 3D printer 100 generates a shaped workpiece 200 on its printed build plate 108; combined with... Figure 3 The print head 106 can push the pull rod 12, which in turn drives the sliding block 33 through the pull rod 21, thereby driving the lifting frame 32 to lift the printing construction plate 108 upward, thus helping the printing construction plate 108 to detach from the printing platform 107.

[0044] The specific embodiments described above do not constitute a limitation on the scope of protection of this application. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A print build plate assisted detachment device, suitable for use in a 3D printer having a print head, a print platform and a print build plate, the print build plate assisted detachment device comprising: include: A toggle (1), a puller (2), and a movable top platform (3); the toggle (1) is connected to the puller (2), and the puller (2) is connected to the movable top platform (3); the print head pushes the toggle (1), causing the puller (2) to drive the movable top platform (3) to lift the print build plate upward, thereby helping the print build plate to detach from the adsorption of the print platform.

2. The print build plate assist unstick device of claim 1, wherein, The actuator (1) includes: a fixed base (11) and a pull-wire lever (12); the pull-wire lever (12) is movably connected to the fixed base (11). The mounting base (11) is detachably fixed to the 3D printer.

3. The print build plate assist unstick device of claim 2, wherein, The actuator (1) further includes: a lever shaft (121); the lever shaft (121) is disposed on the pull-wire lever (12); the pull-wire lever (12) moves around the lever shaft (121) as the pivot point.

4. The assisted release device for printed build boards according to claim 2, characterized in that, The actuator (1) further includes a roller (122); the roller (122) is disposed at the end of the pull rod (12); the roller (122) is used to reduce friction.

5. The print build plate assist unstick device of claim 1, wherein, The puller (2) includes: a pull wire (21) and a guide tube (22); the pull wire (21) is disposed inside the guide tube (22); one end of the pull wire (21) is connected to the actuator (1); the other end of the pull wire (21) is connected to the movable top platform (3).

6. The print build plate assist unstick device of claim 1, wherein, The actuator (1) further includes: a tube end fixing groove (13); the actuator (1) includes: a fixing seat (11); the puller (2) includes: a guide tube (22); the tube end fixing groove (13) is disposed on the fixing seat (11); one end of the guide tube (22) is fixed to the tube end fixing groove (13).

7. The print build plate assist unstick device of claim 1, wherein, The movable top platform (3) includes: a docking seat (31), a lifting frame (32), and a sliding block (33); the docking seat (31) is detachably fixed to the 3D printer; the lifting frame (32) is movably connected to the docking seat (31); the sliding block (33) is connected to the cable puller (2); the sliding block (33) is movably connected to the docking seat (31); the sliding block (33) is used to drive the lifting frame (32) to lift upward.

8. The print build plate assist unstick device of claim 7, wherein, The lifting frame (32) is provided with an inclined surface (321); the sliding block (33) is provided with a tooth (331); the tooth (331) acts on the inclined surface (321) to drive the lifting frame (32) to lift upward.

9. The print build plate assist unstick device of claim 7, wherein, The movable top platform (3) also includes a docking buckle (34); the docking seat (31) is detachably fixed to the 3D printer by the docking buckle (34).

10. The print build plate assist unstick device of claim 1, wherein, The puller (2) includes: a pull wire (21), a guide tube (22), and a return spring (23); the actuator (1) includes: a pull wire lever (12); the movable top platform (3) includes: a sliding block (33); the pull wire (21) is disposed inside the guide tube (22); pushing the pull wire lever (12) is used to drive the sliding block (33) to move through the pull wire (21); the return spring (23) is disposed between the guide tube (22) and the sliding block (33); the return spring (23) is used to reset the pull wire lever (12) and the sliding block (33).

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