阅读说明：本技术 一种光固化3d打印装置 (A kind of photocuring 3D printing device ) 是由 季鹏凯 于 2019-08-23 设计创作，主要内容包括：本发明涉及一种光固化3D打印装置,包括模型板,模型板上结合有固化模型,还包括导光组件,导光组件包括耦入部、光波导和耦出部,耦出部与模型板对应设置,耦入部对射入的光束进行转换导入光波导传导至耦出部并通过耦出部转换从耦出区向导光组件与模型板之间射出,模型板与导光组件之间可相对移动。本发明摆脱了现有技术中光源与打印料容器之间位置关系的相对固定,能够实现光源与打印料容器之间相对位置关系的灵活布设,提升了装置的整体性能,有利于提升打印效率和打印精度。(The present invention relates to a kind of photocuring 3D printing devices, including mould plate, curing model is combined on mould plate, it further include leaded light component, leaded light component includes being coupled into portion, optical waveguide and decoupling portion, decoupling portion is correspondingly arranged with mould plate, is coupled into portion and is projected to the light beam progress converting input optical waveguide conduction of injection to decoupling portion and by the conversion of decoupling portion from decoupling area between leaded light component and mould plate, can relatively move between mould plate and leaded light component.The present invention get rid of light source in the prior art and print material container between positional relationship it is relatively fixed, it can be realized light source and print the flexible laying of relative positional relationship between material container, the overall performance of device is improved, is conducive to promote printing effect and printing precision.)

1. a kind of photocuring 3D printing device, including mould plate (1), curing model (51) are combined on the mould plate (1), It is characterized in that: further including leaded light component (2), the leaded light component (2) includes being coupled into portion (22), optical waveguide (21) and decoupling portion (23), the decoupling portion (23) is correspondingly arranged with mould plate (1), and the portion (22) that is coupled into converts the light beam (31) of injection Import optical waveguide (21) conduction to decoupling portion (23) and by decoupling portion (23) conversion from decoupling area (24) to leaded light component (2) with Mould plate projects between (1), can relatively move between the mould plate (1) and leaded light component (2).

2. photocuring 3D printing device according to claim 1, it is characterised in that: the decoupling area of the leaded light component (2) (24) it is correspondingly provided between mould plate (1) light-transmitting plate (25), the light-transmitting plate (25) is equipped with microlens array (26), the coupling The light beam (31) that portion (23) are projected out converted by the microlens array (26) of light-transmitting plate (25) after from light-transmitting plate (25) towards mould The discretization of half-space surface of template (1) projects and forms several light beam races (32) between curing model (51) and light-transmitting plate (25).

3. photocuring 3D printing device according to claim 1, it is characterised in that: leaded light component (2) relative model The back side of plate (1), which is equipped with, reinforces backboard (6).

4. photocuring 3D printing device according to claim 1, it is characterised in that: leaded light component (2) relative model The back side of plate (1) is equipped with curing inhibitors storage tank (72), and curing inhibitors storage tank (72) internal reservoir has curing inhibitors (7), the leaded light component (2) is made of the material that can pass through curing inhibitors (7).

5. photocuring 3D printing device according to claim 4, it is characterised in that: the curing inhibitors storage tank (72) is logical It crosses second pressure source (71) and carries out pressure control.

6. photocuring 3D printing device according to claim 4, it is characterised in that: leaded light component (2) relative model The back side of plate (1) be equipped with reinforce backboard (6), it is described reinforce backboard (6) using can pass through curing inhibitors (7) material be made or Person is equipped with perforative curing inhibitors flowing hole.

7. photocuring 3D printing device according to claim 1, it is characterised in that: the decoupling area of the leaded light component (2) (24) it is equipped with perforative first printing material flowing hole (28).

8. photocuring 3D printing device according to claim 7, it is characterised in that: leaded light component (2) relative model The back side of plate (1) be equipped with the second printing material storage tank (45), the second printing material storage tank (45) by first pressure source (41) into The control of row pressure.

9. photocuring 3D printing device according to claim 7, it is characterised in that: leaded light component (2) relative model The back side of plate (1), which is equipped with, reinforces backboard (6), and the reinforcement backboard (6) is equipped with perforative second printing material flowing hole (62).

10. photocuring 3D printing device according to claim 9, it is characterised in that: the second printing material flowing hole (62) path is equipped with valve (29), and the valve (29) connect with controller (92) and controlled by controller (92) System.

11. according to photocuring 3D printing device described in claim 3,6 or 9, it is characterised in that: in the reinforcement backboard (6) Portion is equipped with pipeline (61), by coolant liquid or by heating liquid or laying heating wires inside the pipeline (61).

12. according to photocuring 3D printing device described in claim 3,6 or 9, it is characterised in that: the leaded light component (2) Decoupling area (24) is equipped with the first printing material storage tank (4) towards the side of mould plate (1), and the first printing material storage tank (4) has Print chamber is sealed, the curing model (51) is located inside the sealing print chamber, the sealing print chamber and first pressure source (41) it is connected to.

13. photocuring 3D printing device according to claim 1, it is characterised in that: the decoupling area of the leaded light component (2) (24) spaced boss (27) are formed towards the side of mould plate (1).

14. photocuring 3D printing device according to claim 1, it is characterised in that: the leaded light component (2) is equipped with several It is coupled into portion (22), several portions (22) that are coupled into inject light beam (31) by corresponding light source (3) respectively.

15. photocuring 3D printing device according to claim 14, it is characterised in that: in the multiple light source (3) at least It is that printing material solidification inhibits light source there are a light source, the printing material solidifies the light beam (31) for inhibiting light source to issue by conduction It irradiates printing material (5) and forms anti-cured layer on decoupling area (24) surface of the leaded light component (2).

Technical field

The invention belongs to the technical fields of 3D printing, more particularly to a kind of photocuring 3D printing device.

Background technique

3D printing as it is a kind of based on digital model file, by successively print construction object method, including The photocurings mode such as SLA, DLP, LCD/LED.For example, by using UV (ultraviolet light) or the light curing resin layer layer-selective of visible light It is formed by curing threedimensional model.Such as the 3D printing method based on DLP (Digital Light Processing) is according to three The serial section pattern of dimension module and the face imaging beam formed project in photosensitive resin printing material the solidification for realizing single layer, such as This solidifies stacking layer by layer and forms threedimensional model；SLA (Stereo Lithography Apparatus) is by laser beam by three The serial section figure of dimension module is focused on photosensitive resin material by microscope group (such as lens or reflective mirror), by point to line to face Cured layer is formed, such stacked in multi-layers forms threedimensional model.

Photocuring printer generally comprises the platform (or being mould plate) of light source and fixed model, and platform passes through driving machine Structure (such as screw mandrel drive mechanism) carries out forming curing model far from light source movement with curing photosensitive resin printing material layer by layer.It is existing In photocuring 3D printing, the light beam of light source irradiates photosensitive printing material, the position of light source and photosensitive printing material directly or by microscope group Relationship is relatively fixed, if realizing the adjustment of light source position and photosensitive printing material relative position by lens, structure is complicated, at This height, and be easy to be vibrated etc. and influence.In photocuring 3D printing device for using the light sources such as DLP, LED or LCD, due to Light source is not easily adjusted with photosensitive printing material relation, is brought challenges to heat dissipation, to influence reliability and the service life of equipment.

In addition, light beam needs to be cured through light-transmitting plate irradiation printing material in the prior art, consider to keep light-transmitting plate Light transmission factor, so that the intensity of light-transmitting plate is not readily available promotion, to be difficult the enough pressure by improving printing material to accelerate Printing material flows into forming area to promote print speed.

In addition, printing material is the side by curing model between curing model and light-transmitting plate in existing photocuring printing Clearance flow enters illumination forming area, model big for area or with internal structure, and the inflow path of printing material is long when printing, beats Print material supplements low efficiency, the vacuum between curing model and light-transmitting plate is caused, to will affect print speed and precision.

Summary of the invention

Technical problem to be solved by the invention is to provide a kind of photocuring 3D printing device, gets rid of light source and printing material is held Position between device is relatively fixed, promotes the stability of illumination, guarantees printing precision.

The technical solution adopted by the present invention to solve the technical problems is to provide a kind of photocuring 3D printing device, including mould Template is combined with curing model on the mould plate, further includes leaded light component, and the leaded light component includes being coupled into portion, optical waveguide With decoupling portion, the decoupling portion is correspondingly arranged with mould plate, and the portion that is coupled into is to the light beam progress converting input optical waveguide of injection Conduction to decoupling portion and being converted by decoupling portion is projected from decoupling area between leaded light component and mould plate, the mould plate with lead It can be relatively moved between optical assembly.

Light-transmitting plate is correspondingly provided between the decoupling area of the leaded light component and mould plate, the light-transmitting plate is equipped with lenticule battle array Column, the light beam that the decoupling portion projects is after the transformation of the microlens array of light-transmitting plate from the molded surface interval of light-transmitting plate, expansion It scatters and forms several light beam races between curing model and light-transmitting plate.

The back side of the leaded light component relative model plate, which is equipped with, reinforces backboard.

The back side of the leaded light component relative model plate is equipped with curing inhibitors storage tank, inside the curing inhibitors storage tank Curing inhibitors are stored, the leaded light component is made of the material that can pass through curing inhibitors.

The curing inhibitors storage tank carries out pressure control by second pressure source.

The back side of the leaded light component relative model plate, which is equipped with, reinforces backboard, and the reinforcement backboard is using permeable solidification suppression The material of preparation is made or is equipped with perforative curing inhibitors flowing hole.

The back side of the leaded light component relative model plate is equipped with the second printing material storage tank, and the decoupling area of the leaded light component is set There is perforative first printing material flowing hole.

The second printing material storage tank carries out pressure control by first pressure source.

The back side of the leaded light component relative model plate, which is equipped with, reinforces backboard, and the reinforcement backboard is equipped with perforative second Printing material flowing hole.

The path of the second printing material flowing hole is equipped with valve, and the valve connect with controller and passes through controller It is controlled.

Pipeline is equipped with inside the reinforcement backboard, the channel interior is by coolant liquid or passes through heating liquid or laying Heating wires.

The decoupling area of the leaded light component is equipped with the first printing material storage tank, first printing material towards the side of mould plate Storage tank has sealing print chamber, and the curing model is located inside sealing print chamber, the sealing print chamber and first pressure source Connection.

The side of decoupling area towards the mould plate of the leaded light component forms spaced boss.

The bottom that the leaded light component corresponds to groove between boss is equipped with light shield layer.

The leaded light component is coupled into portion equipped with several, and several portions of being coupled into pass through corresponding light source incident light respectively Beam.

At least there is a light source in the multiple light source is that printing material solidification inhibits light source, and the printing material solidification inhibits The light beam that light source issues forms anti-cured layer on the decoupling area surface of the leaded light component by conduction irradiation printing material.

Beneficial effect

First, by leaded light component conduction and outgoing beam carries out printing shaping, gets rid of light source in the prior art and beats Positional relationship is relatively fixed between print material container, can be realized light source and print material container between relative positional relationship it is flexible It lays.The positioning and installation of light source can either be simplified, so that light source is far from photosensitive printing material, while light passes inside optical waveguide It is defeated, advantageously reduce influence of the ambient to printing precision；Relative position between decoupling area and printing material storage tank is fixed, light Waveguide has certain elasticity, is conducive to the anti-vibration performance for improving printing equipment, promotes the stability of illumination, reduces external environment Influence to printing precision guarantees printing precision.

Second, leaded light component can be combined by multiple areas that are coupled into multiple light sources, can be realized light beam merging, Switching and combined application, in addition, using optical waveguide transmitting beam wavefront control can be realized to the light beam that decoupling area projects, because This present invention can need the injection characteristic (including angle, position, intensity, type etc.) to light beam to carry out spirit according to practical printing Control living.

Third can realize the injection of beam spacing, diffusion to the conversion of light beam by decoupling portion, form several light beams Race, or by leaded light component be equipped with variable refractivity lens array light-transmitting plate in conjunction with, or by by leaded light component decoupling area at Type surface is designed to spaced-apart bosses structure, so that the injection of beam spacing, diffusion, forms several light beam races, curing model and thoroughly Printing material flow region is formed between tabula rasa or leaded light component.On the one hand, be conducive to reduce between curing model and light-transmitting plate Bonded area reduces separation force, is conducive to improve printing effect, avoids curing model stress deformation；On the other hand, solidify The printing material flow region that un-bonded area between model and light-transmitting plate or leaded light component is formed, can be in layer print procedure The function of quickly supplementing printing material between curing model and light-transmitting plate or leaded light component is played, improves printing effect, simultaneously It can be avoided between curing model and light-transmitting plate or leaded light component and generation when vacuum makes curing model be detached from light-transmitting plate occur Stress it is excessive and deform, guarantee printing precision.

4th, light beam is conducted by leaded light component and carries out printing shaping, is avoided the need in leaded light component relative model plate Back side installation light source, the components such as microscope group, leaded light component can be reinforced using backboard is reinforced, so that device overall structure It is more stable, and then can be realized and pressurize to printing material, the pressure of printing material can be significantly increased, improve in layer print procedure Printing material flows into the speed of forming area between curing model and leaded light component, promotes printing effect.In addition, by reinforcing backboard The cooling or heating realized to leaded light component and printing material can be facilitated, guarantee suitable print temperature, be conducive to improve and beat Efficiency is printed, equipment life is extended.

5th, the structure that can penetrate curing inhibitors can be set into leaded light component, due to leaded light component relative model The back side of plate can not have to installation light source, the components such as microscope group, convenient for curing inhibitors are arranged at the back side of leaded light component, its at Type surface forms anti-cured layer, on the one hand can be conducive to printing material to quickly flowing is mended between curing model and leaded light component It fills, on the other hand advantageously reduces the separation force of curing model and leaded light component.

6th, the structure that can penetrate printing material can be set into leaded light component, and such as printing material flowing hole, printing material can Supplement printing material directly is carried out to region between leaded light component and curing model by leaded light component, so that curing model difference position The feed supplement set is advantageously implemented the synchronization feed supplement of curing model different location apart from roughly the same, gets rid of solid in the prior art Change the problem that model periphery feed rate is fast, center feed rate is slow.On the one hand, it can greatly be promoted in layer print procedure The supplement speed of printing material improves printing effect；Another aspect printing material pressure can act on curing model to curing model Disengaging between leaded light component generates impetus, so that disengaging is eased and efficient, and advantageously reduces mould plate pair The active force of curing model.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.

Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.

Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3.

Fig. 4 is the structural schematic diagram of the embodiment of the present invention 4.

Fig. 5 is the structural schematic diagram of the embodiment of the present invention 5.

Fig. 6 is the structural schematic diagram of the embodiment of the present invention 6.

Fig. 7 is the structural schematic diagram of the embodiment of the present invention 7.

Fig. 8 is structural schematic diagram of the leaded light component in conjunction with reinforcement backboard in the embodiment of the present invention 7.

Fig. 9 is the structural schematic diagram that leaded light component tilts aperture in the embodiment of the present invention 7.

Figure 10 is the structural schematic diagram of the embodiment of the present invention 8.

Figure 11 is the structural schematic diagram of the embodiment of the present invention 9.

Figure 12 is the overlooking structure diagram that leaded light component forms square boss in the embodiment of the present invention 9.

Figure 13 is the overlooking structure diagram that leaded light component forms strip boss in the embodiment of the present invention 9.

Figure 14 is the structural schematic diagram of the embodiment of the present invention 10.

Figure 15 is another structural schematic diagram of the embodiment of the present invention 10.

Figure 16 is the overlooking structure diagram of the embodiment of the present invention 10.

Specific embodiment

Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Range.