Spray head device and 3D printer

Abstract

The utility model provides a spray head device and a 3D printer, the spray head device comprises a rack, a supporting table and a spray head assembly, the supporting table is movably connected to the rack and moves in the Y-axis direction, the spray head assembly comprises a lifting seat, a moving seat and a spray head module, the lifting seat is connected to the rack in a lifting mode and ascends and descends in the Z-axis direction, and the moving seat moves in the Y-axis direction; the movable base is movably connected to the lifting base and moves in the X-axis direction, the spray head module comprises a supporting base and a plurality of spray heads, the supporting base is installed on the movable base and moves along with movement of the movable base, and the spray heads are all used for outputting objects in a molten state to the surface of the supporting table so that printing of the multiple objects can be conveniently conducted through the spray heads. According to the spray head device, multiple objects are prevented from being printed in sequence, the working efficiency of the spray head device is improved, meanwhile, the multiple spray heads are detachably connected to the same supporting base and arranged side by side so that the multiple spray heads can be connected with or separated from the same supporting base, and the replacement convenience of the multiple spray heads is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printers, in particular to a nozzle device and a 3D printer. Background Art

[0002] With the development of technology, a 3D printer is a rapid prototyping process device. It is a technology that constructs an object by layer-by-layer printing based on a digital model file and using bondable materials such as powdered metal or plastic.

[0003] In the prior art, the existing nozzle device includes a frame, a support table and a nozzle. The support table is movably connected to the frame and moves along the Y-axis direction. The nozzle is vertically movably connected to the frame and moves up and down along the Z-axis direction. The nozzles are all used to output molten objects onto the surface of the support table. However, there is only one nozzle, so only one object can be printed at a time, resulting in poor working efficiency of the existing nozzle device. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a nozzle device and a 3D printer. The support table is movably connected to the frame and moves along the Y-axis direction. The nozzle assembly includes a lifting seat, a moving seat and a nozzle module. The lifting seat is vertically movably connected to the frame and moves up and down along the Z-axis direction. The moving seat is movably connected to the lifting seat and moves along the X-axis direction. The nozzle module includes a support seat and a plurality of nozzles. The support seat is installed on the moving seat and moves with the movement of the moving seat. The plurality of nozzles are all used to output molten objects onto the surface of the support table, so as to print multiple objects through the plurality of nozzles, avoid printing multiple objects sequentially, improve the working efficiency of the nozzle device. At the same time, the plurality of nozzles are detachably connected to the same support seat, and the plurality of nozzles are arranged side by side, so that the plurality of nozzles can be connected to or detached from the same support seat, improving the replacement convenience of the plurality of nozzles.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A nozzle device is applied to a 3D printer; the nozzle device includes:

[0007] A frame;

[0008] A support table, movably connected to the frame and moving along the Y-axis direction;

[0009] A nozzle assembly, including a lifting seat, a moving seat and a nozzle module; the lifting seat is vertically movably connected to the frame and moves up and down along the Z-axis direction; the moving seat is movably connected to the lifting seat and moves along the X-axis direction;

[0010] The nozzle module includes a support base and a plurality of nozzles; the support base is installed on the moving base and moves along with the movement of the moving base; the plurality of nozzles are detachably connected to the same support base, and the plurality of nozzles are arranged side by side; the plurality of nozzles are all used to output an object in a molten state to the surface of the support table.

[0011] Optionally, the plurality of nozzles are arranged at intervals along the length direction of the support base, and the plurality of nozzles work independently or synchronously respectively.

[0012] Optionally, each nozzle includes a heating block and a nozzle; the nozzle is arranged on one side of the heating block; the heating block is used to heat the object;

[0013] The nozzle is communicated with the heating block and outputs the object heated by the heating block, so that the nozzle outputs an object in a molten state.

[0014] Optionally, the heating block is provided with a through hole, the nozzle is communicated with the through hole, and the through hole is used to accommodate the object;

[0015] Each nozzle is provided with a heat dissipation part, the heat dissipation part is exposed to the external environment, the heat dissipation part is connected to the heating block, and dissipates the heat of the heating block to the outside.

[0016] Optionally, the heat dissipation part is spirally arranged along the axis of the heating block.

[0017] Optionally, the heating block is built in the support base;

[0018] The support base is provided with ventilation holes, the ventilation holes are arranged relative to the heat dissipation parts and expose each heat dissipation part.

[0019] Optionally, the ventilation holes are opened on the front side wall of the support base;

[0020] The support base is further provided with convection holes, the convection holes are opened on the opposite side walls of the support base, the convection holes are arranged adjacent to the ventilation holes and expose each heat dissipation part.

[0021] Optionally, a Y-axis movement module is provided between the support table and the frame, and the Y-axis movement module includes a first motor and a first transmission module;

[0022] One end of the first transmission module is connected to the output end of the first motor, and the other end of the first transmission module is connected to the support table and drives the support table to move along the Y-axis direction;

[0023] The support table is a heating table and can heat the bottom of an object in a molten state.

[0024] Optionally, the nozzle assembly further includes a lifting module, and the lifting module includes a second motor and a second transmission module;

[0025] One end of the second transmission module is connected to the output end of the second motor, and the other end of the second transmission module is connected to the lifting seat and drives the lifting seat to move up and down along the Z-axis direction;

[0026] Alternatively, the nozzle assembly further includes an X-axis movement module, and the X-axis movement module includes a third motor and a third transmission module;

[0027] One end of the third transmission module is connected to the output end of the third motor, and the other end of the third transmission module is connected to the moving seat and drives the moving seat to move along the X-axis direction.

[0028] A 3D printer includes the nozzle device described above.

[0029] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0030] The present utility model provides a nozzle device and a 3D printer. The support table is movably connected to the frame and moves along the Y-axis direction. The nozzle assembly includes a lifting seat, a moving seat and a nozzle module. The lifting seat is vertically movably connected to the frame and moves up and down along the Z-axis direction. The moving seat is movably connected to the lifting seat and moves along the X-axis direction. The nozzle module includes a support seat and a plurality of nozzles. The support seat is installed on the moving seat and moves with the movement of the moving seat. The plurality of nozzles are all used to output a molten object onto the surface of the support table, so as to print a plurality of objects through the plurality of nozzles, avoiding printing the plurality of objects sequentially, improving the working efficiency of the nozzle device. At the same time, the plurality of nozzles are detachably connected to the same support seat, and the plurality of nozzles are arranged side by side, so that the plurality of nozzles can be connected to or detached from the same support seat, improving the replacement convenience of the plurality of nozzles. Description of the Drawings

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative efforts.

[0032] In order to more fully understand the present application and its beneficial effects, the following will be described in conjunction with the drawings. Among them, the same reference numerals in the following description represent the same parts.

[0033] Figure 1 Shows a schematic diagram of the nozzle device in the embodiment of the present application.

[0034] Figure 2 The exploded view of the nozzle device according to the embodiment of the present application is shown.

[0035] Figure 3 The schematic diagram of the nozzle assembly of the nozzle device according to the embodiment of the present application is shown.

[0036] Figure 4 The schematic diagram of the nozzle module of the nozzle device according to the embodiment of the present application is shown.

[0037] Figure 5 The schematic diagram of the nozzle of the nozzle device according to the embodiment of the present application is shown.

[0038] Figure 6 The cross-sectional view of the nozzle of the nozzle device according to the embodiment of the present application is shown.

[0039] Reference numerals

[0040] 100, nozzle device;

[0041] 10, frame;

[0042] 20, support table;

[0043] 30, nozzle assembly; 31, lifting seat; 32, moving seat; 33, nozzle module; 331, support seat; 331a, ventilation hole; 331b, convection hole; 332, nozzle; 3321, heating block; 3321a, through hole; 3322, nozzle; 3323, heat dissipation part; 34, lifting module; 341, second motor; 342, second transmission module; 35, X-axis moving module; 351, third motor; 352, third transmission module;

[0044] 40, Y-axis moving module; 41, first motor; 42, first transmission module. Detailed implementation manners

[0045] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0046] Please refer to the attached Figure 1 , the embodiment of the present application provides a nozzle device 100. As a part of a 3D printer, the nozzle device 100 is used to output an object in a molten state.

[0047] Please refer to the attached Figures 1-2, in the embodiment of the present application, the nozzle device 100 includes a frame 10, a support table 20, and a nozzle assembly 30. The support table 20 is disposed inside the frame 10, and the nozzle assembly 30 is disposed on the upper side of the support table 20. The support table 20 is movably connected to the frame 10 and moves along the Y-axis direction. The lifting seat 31 is liftably connected to the frame 10 and lifts along the Z-axis direction. The nozzle assembly 30 includes a lifting seat 31, a moving seat 32, and a nozzle module 33. The moving seat 32 is movably connected to the lifting seat 31 and moves along the X-axis direction. The nozzle module 33 includes a support seat 331 and a plurality of nozzles 332. The support seat 331 is mounted on the moving seat 32 and moves along with the movement of the moving seat 32. A plurality of nozzles 332 are all used to output molten objects onto the surface of the support table 20, so as to print a plurality of objects through the plurality of nozzles 332, avoiding printing the plurality of objects sequentially, improving the working efficiency of the nozzle device 100. At the same time, the plurality of nozzles 332 are detachably connected to the same support seat 331, and the plurality of nozzles 332 are arranged side by side, so that the plurality of nozzles 332 can be connected to or detached from the same support seat 331, improving the replacement convenience of the plurality of nozzles 332.

[0048] Please refer to the attached Figures 1-2 , in the embodiment of the present application, the frame 10 serves as a support component of the nozzle device 100, and the frame 10 is used to support the support table 20 and the nozzle assembly 30.

[0049] Please refer to the attached Figures 1-2 , in the embodiment of the present application, the support table 20 is disposed inside the frame 10. The support table 20 is movably connected to the frame 10 and moves along the Y-axis direction, so as to adjust the position of the support table 20 relative to the frame 10, thereby facilitating the adjustment of the position of the support table 20 in the Y-axis direction.

[0050] Please refer to the attached Figures 1-2 , at this time, a Y-axis movement module 40 is provided between the support table 20 and the frame 10. The Y-axis movement module 40 includes a first motor 41 and a first transmission module 42. One end of the first transmission module 42 is connected to the output end of the first motor 41, so that the first motor 41 drives the first transmission module 42 to rotate under the driving action. The other end of the first transmission module 42 is connected to the support table 20 and drives the support table 20 to move along the Y-axis direction, so that the support table 20 can move along the Y-axis direction through the first motor 41 and the first transmission module 42. The support table 20 is a heating table and can heat the bottom of the molten object, so as to keep heating the molten object output by the nozzle 332. Optionally, the first transmission module 42 is a synchronous pulley transmission module or a lead screw transmission module.

[0051] Please refer to the attached Figures 1-3, in the embodiment of the present application, the nozzle assembly 30 includes a lifting seat 31, a moving seat 32, and a nozzle module 33. The lifting seat 31 is connected to the frame 10 in a liftable manner and moves up and down along the Z-axis direction to facilitate adjusting the position of the lifting seat 31 relative to the frame 10. The moving seat 32 is movably connected to the lifting seat 31 and moves along the X-axis direction to facilitate adjusting the position of the moving seat 32 relative to the lifting seat 31, thereby facilitating adjusting the Z-axis direction and the X-axis direction of the moving seat 32 relative to the frame 10.

[0052] Please refer to the appendix Figures 1-3 , at this time, the nozzle assembly 30 further includes a lifting module 34. The lifting module 34 includes a second motor 341 and a second transmission module 342. One end of the second transmission module 342 is connected to the output end of the second motor 341 to facilitate the second motor 341 driving the second transmission module 342 to rotate under the driving action. The other end of the second transmission module 342 is connected to the lifting seat 31 and drives the lifting seat 31 to move up and down along the Z-axis direction to facilitate the lifting seat 31 to achieve lifting along the Z-axis direction through the second motor 341 and the second transmission module 342. Optionally, the second transmission module 342 is a lead screw transmission module.

[0053] Please refer to the appendix Figure 3 , wherein, the nozzle assembly 30 further includes an X-axis movement module 35. The X-axis movement module 35 includes a third motor 351 and a third transmission module 352. One end of the third transmission module 352 is connected to the output end of the third motor 351 to facilitate the third motor 351 driving the third transmission module 352 to rotate under the driving action. The other end of the third transmission module 352 is connected to the moving seat 32 and drives the moving seat 32 to move along the X-axis direction to facilitate the moving seat 32 to achieve movement along the X-axis direction through the third motor 351 and the third transmission module 352. Optionally, the third transmission module 352 is a synchronous pulley transmission module.

[0054] Please refer to the appendix Figure 4 , in the embodiment of the present application, the nozzle module 33 includes a support seat 331 and a plurality of nozzles 332. The support seat 331 is installed on the moving seat 32 and moves with the movement of the moving seat 32 to facilitate adjusting the Z-axis direction and the X-axis direction of the plurality of nozzles 332 relative to the frame 10. The plurality of nozzles 332 are all used to output molten objects to the surface of the support table 20 to facilitate printing a plurality of objects through the plurality of nozzles 332, avoiding printing the plurality of objects sequentially, improving the working efficiency of the nozzle device 100. At the same time, the plurality of nozzles 332 are detachably connected to the same support seat 331, and the plurality of nozzles 332 are arranged side by side to facilitate the plurality of nozzles 332 to be connected to or detached from the same support seat 331, improving the replacement convenience of the plurality of nozzles 332.

[0055] Among them, the nozzle 332 is detachably connected to the support base 331 by means of threaded connection, so that a plurality of nozzles 332 can be connected to or detached from the same support base 331.

[0056] Please refer to the appendix Figure 4 , in addition, a plurality of nozzles 332 are arranged at intervals along the length direction of the support base 331, and the plurality of nozzles 332 work independently or synchronously respectively, so that the plurality of nozzles 332 can act on a plurality of objects or a single object at the same time, avoiding printing of the plurality of objects in sequence, and improving the working efficiency of the nozzle device 100.

[0057] Please refer to the appendix Figure 5 , in the embodiment of the present application, each nozzle 332 includes a heating block 3321 and a nozzle 3322. The nozzle 3322 is arranged on the lower side of the heating block 3321. The heating block 3321 is used to heat an object. The nozzle 3322 communicates with the heating block 3321, so that the object heated by the heating block 3321 flows to the nozzle 3322. The nozzle 3322 outputs the object heated by the heating block 3321, so that the nozzle 3322 outputs an object in a molten state, thereby facilitating the output of the object in a molten state to the support table 20.

[0058] Please refer to the appendix Figure 6 , at this time, the heating block 3321 is provided with a through hole 3321a, and the nozzle 3322 communicates with the through hole 3321a, so that the nozzle 3322 is connected to the heating block 3321 through the through hole 3321a. The through hole 3321a is used to accommodate an object, so that the object in the through hole 3321a flows to the nozzle 3322. Each nozzle 332 is provided with a heat dissipation part 3323. The heat dissipation part 3323 is connected to the heating block 3321. The heat of the heating block 3321 is conducted to the heat dissipation part 3323. The heat dissipation part 3323 is exposed to the external environment and dissipates the heat of the heating block 3321 to the outside, so that the air flow in the external environment dissipates the heat of the heating block 3321, thereby facilitating the heating block 3321 to achieve a heat dissipation effect and ensuring the performance of the heating block 3321. Optionally, the heat dissipation part 3323 is spirally arranged along the axis of the heating block 3321, improving the heat dissipation effect of the heat dissipation part 3323. The through hole 3321a penetrates through the heating block 3321 and the nozzle 3322.

[0059] Please refer to the appendix Figure 5 , among them, the heating block 3321 is built in the support base 331, so that the heating block 3321 is fixed to the support base 331. The support base 331 is provided with a ventilation hole 331a. The ventilation hole 331a is arranged relative to the heat dissipation part 3323 and exposes each heat dissipation part 3323, so that the heat of the heat dissipation part 3323 flows to the external environment through the ventilation hole 331a, thereby facilitating the heat of the heat dissipation part 3323 to come into contact with the air flow in the external environment to achieve a heat dissipation effect.

[0060] Please refer to the appendix Figure 5 In addition, the ventilation hole 331a is opened on the front side wall of the support base 331. The support base 331 is further provided with convection holes 331b which are opened on the opposite side walls of the support base 331. The convection holes 331b are arranged adjacent to the ventilation hole 331a and are exposed to each heat dissipation part 3323, so that the heat dissipation part 3323 can communicate with the external environment through the ventilation hole 331a and the convection holes 331b, thereby facilitating heat dissipation of the heat dissipation part 3323 in multiple directions relative to the support base 331.

[0061] In another embodiment, a 3D printer includes a nozzle device 100. The nozzle device 100 is a part of the 3D printer. The 3D printer uses an ultraviolet light source to irradiate a liquid photosensitive resin and cures it layer by layer to form a 3D printed object.

[0062] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0063] The present utility model provides a nozzle device 100 and a 3D printer. The support table 20 is movably connected to the frame 10 and moves along the Y-axis direction. The nozzle assembly 30 includes a lifting seat 31, a moving seat 32, and a nozzle module 33. The lifting seat 31 is liftably connected to the frame 10 and lifts and lowers along the Z-axis direction. The moving seat 32 is movably connected to the lifting seat 31 and moves along the X-axis direction. The nozzle module 33 includes a support base 331 and a plurality of nozzles 332. The support base 331 is installed on the moving seat 32 and moves along with the movement of the moving seat 32. The plurality of nozzles 332 are all used to output a molten object onto the surface of the support table 20, so as to facilitate printing of multiple objects through the plurality of nozzles 332, avoid printing multiple objects sequentially, improve the working efficiency of the nozzle device 100. At the same time, the plurality of nozzles 332 are detachably connected to the same support base 331, and the plurality of nozzles 332 are arranged side by side, so as to facilitate connection or detachment of the plurality of nozzles 332 from the same support base 331 and improve the replacement convenience of the plurality of nozzles 332.

[0064] In the above embodiments, the descriptions of each embodiment have their own emphases. For parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0065] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0066] In this article, specific examples are used to elaborate on the principles and implementation manners of this application. The description of the above embodiments is only used to help understand the method and its core idea of this application. At the same time, for those skilled in the art, according to the idea of this application, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to this application.

Claims

1. A nozzle device, characterized in that: Applied to 3D printers; The nozzle device comprises: frame; A support platform is movably connected to the frame and moves along the Y-axis direction; The nozzle assembly comprises a lifting seat, a movable seat and a nozzle module; the lifting seat is movably connected to the frame and moves along the Z-axis direction; the movable seat is movably connected to the lifting seat and moves along the X-axis direction; The nozzle module includes a support base and a plurality of nozzles; the support base is installed on the movable base and moves with the movement of the movable base; the plurality of nozzles are detachably connected to the same support base, and the plurality of nozzles are arranged side by side; the plurality of nozzles are all used to output objects in a molten state to the surface of the support platform.

2. The nozzle device according to claim 1, characterized in that: The plurality of nozzles are arranged at intervals along the length direction of the support seat, and the plurality of nozzles work independently or synchronously.

3. The nozzle device according to claim 1, characterized in that: Each of the nozzles comprises a heating block and a nozzle; the nozzle is arranged on one side of the heating block; the heating block is used to heat an object; The nozzle is connected to the heating block and outputs the object heated by the heating block, so that the nozzle outputs the object in a molten state.

4. The nozzle device according to claim 3, characterized in that: The heating block is provided with a through hole, the nozzle is connected to the through hole, and the through hole is used to accommodate an object; Each of the nozzles is provided with a heat dissipation portion, which is exposed to the external environment, connected to the heating block, and dissipates the heat of the heating block to the outside.

5. The nozzle device according to claim 4, characterized in that: The heat dissipation portion is spirally arranged along the axis of the heating block.

6. The nozzle device according to claim 4, characterized in that: The heating block is built into the support seat; The support base is provided with ventilation holes, and the ventilation holes are arranged relative to the heat dissipation parts and expose the heat dissipation parts.

7. The nozzle device according to claim 6, characterized in that: The ventilation hole is provided on the front side wall of the support seat; The support base is further provided with convection holes, which are opened on two opposite side walls of the support base, are arranged adjacent to the ventilation holes, and are exposed to each of the heat dissipation parts.

8. The nozzle device according to claim 1, characterized in that: A Y-axis moving module is provided between the support platform and the frame, and the Y-axis moving module includes a first motor and a first transmission module; One end of the first transmission module is connected to the output end of the first motor, and the other end of the first transmission module is connected to the support platform, and drives the support platform to move along the Y-axis direction; The support platform is a heating platform and can heat the bottom of the object in a molten state.

9. The nozzle device according to claim 1, characterized in that: The nozzle assembly further includes a lifting module, and the lifting module includes a second motor and a second transmission module; One end of the second transmission module is connected to the output end of the second motor, and the other end of the second transmission module is connected to the lifting seat, and drives the lifting seat to move up and down along the Z-axis direction; Alternatively, the nozzle assembly further includes an X-axis moving module, and the X-axis moving module includes a third motor and a third transmission module; One end of the third transmission module is connected to the output end of the third motor, and the other end of the third transmission module is connected to the moving base, and drives the moving base to move along the X-axis direction.

10. A 3D printer, characterized in that: The invention comprises a spray head device as claimed in any one of claims 1 to 9.

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