CN216032556U

CN216032556U - Photocuring 3D prints aftertreatment device

Info

Publication number: CN216032556U
Application number: CN202121778860.XU
Authority: CN
Inventors: 易瑜; 其他发明人请求不公开姓名
Original assignee: Shenzhen CBD Technology Co Ltd
Current assignee: Shenzhen CBD Technology Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-03-15
Anticipated expiration: 2031-07-30

Abstract

The utility model provides a photocuring 3D printing post-processing device which comprises a bottom box, a motor, a magnetic rotary table, a detachable rotary table, an ultraviolet lamp module, a light reflection box cover, a power supply and a control module, wherein the magnetic rotary table is arranged on the bottom box; wherein, the upper surface of the bottom box is provided with a round hole, and the inner surface of the light reflection box cover is provided with a light reflection surface; the power supply and control module is electrically connected with and controls the running and stopping of the motor; the output shaft of the motor is connected with and drives the magnetic attraction rotary disc; the magnetic rotary disc is arranged in the round hole; the detachable turntable is detachably connected with the magnetic attraction turntable; when the motor drives the magnetic attraction rotary disc to rotate, the detachable rotary disc is driven to rotate; the ultraviolet lamp module is arranged on the upper surface of the bottom box; the ultraviolet lamp module is electrically connected with the power supply and the control module; ultraviolet light emitted upwards after the ultraviolet lamp module is electrified is irradiated on the light reflecting surface, and is irradiated in the light reflecting box cover after being reflected, so that the model placed in the ultraviolet lamp module is subjected to ultraviolet light post-curing; the light reflection case cover is detachably connected with the bottom case.

Description

Photocuring 3D prints aftertreatment device

Technical Field

The application relates to the technical field of 3D printing, in particular to a light-cured 3D printing post-processing device.

Background

Currently, in the existing photocuring 3D printing technology, 3D preprocessing software is generally adopted to slice 3D model data generated by industrial design software such as SOLIDWORKS and the like, and then the sliced 3D model data is delivered to an LCD photocuring or DLP photocuring printer to perform ultraviolet irradiation curing on photosensitive resin to generate a solid model. However, such a formed mold has problems such as softening of the surface of the mold, stress due to insufficient curing between layers inside the mold during photocuring reaction, and adhesion of resin liquid to the surface of the mold.

Therefore, the object needs to be taken off from the forming platform plate, then the object is soaked in the cleaning solution for cleaning so as to remove the residual light-cured resin on the surface of the object, then the object needs to be taken out and the surface of the object is waited for air drying, finally the object needs to be placed under ultraviolet light for irradiating for a certain time for post-curing, and the object is heated to about 80 ℃ and naturally cooled so as to be destressed after being naturally cooled.

The prior art is like a photocuring 3D printing post-processing device, and the application with the patent number of 2020212724861 provides a cleaning and post-curing functional device aiming at the requirements. But does not have a heating function. Further, the presence of the vertical column is disadvantageous in terms of structure, simplification of the entire structure and improvement of the cleanliness, and also hinders the operation of capping the box cover.

Therefore, a light-cured 3D printing post-processing device which is simple in overall structure, and capable of realizing both model cleaning and light curing and a model heating function is required.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation in the background technology, the ultraviolet lamp module is arranged on the upper surface of the bottom box and irradiates upwards to form a bottom projection type ultraviolet light reflection curing scheme, and based on the scheme, the utility model provides the photocuring 3D printing post-processing device which can realize model cleaning and photocuring and can realize the model heating function and equipment simplification. The specific scheme is as follows:

a photocuring 3D printing post-processing device comprises a bottom box 1, a motor 2, a magnetic rotary table 3, a detachable rotary table 4, an ultraviolet lamp module 5, a light reflection box cover 6 and a power supply and control module 7; the upper surface of the bottom box 1 is provided with a round hole 11, and the inner surface of the light reflection box cover 6 is provided with a light reflection surface 61; the motor 2 and the power supply and control module 7 are arranged in the bottom box 1; the power supply and control module 7 is electrically connected with and controls the running and stopping of the motor 2; the output shaft of the motor 2 is connected with and drives the magnetic attraction rotary disc 3; the magnetic rotary disc 3 is arranged in the round hole 11; the detachable rotary table 4 is positioned above the magnetic attraction rotary table 3, and the detachable rotary table 4 is detachably connected with the magnetic attraction rotary table 3; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the detachable rotary disc 4 is driven to rotate; the ultraviolet lamp module 5 is arranged on the upper surface of the bottom box 1; the ultraviolet lamp module 5 is electrically connected with the power supply and control module 7; the ultraviolet lamp module 5 emits ultraviolet light upwards after being electrified, the ultraviolet light irradiates the light reflecting surface 61 and irradiates the light reflecting box cover 6 after being reflected, and therefore ultraviolet light post-curing is carried out on the model placed inside the ultraviolet lamp module; the light reflection box cover 6 covers the peripheral edge of the upper part of the bottom box 1, and the light reflection box cover 6 is detachably connected with the bottom box 1.

Further, still include: a stepping motor 511, a mounting plate 512, a swinging shaft 513, a support table 514 and a gear 515; the power supply and control module 7 is electrically connected with and controls the stepping motor 511 to do reciprocating swing motion; the ultraviolet lamp module 5 is fixed on the mounting plate 512; the swinging shafts 513 are arranged at two ends of the mounting plate 512; the swinging shaft 513 is movably connected to the supporting table 514; the support table 514 is connected to the upper surface of the bottom case 1; the stepping motor 511 is connected with a driving swing shaft 513 through a gear 514, and drives the mounting plate 512 and the ultraviolet lamp module 5 to do reciprocating swing motion, so that part of ultraviolet light emitted upwards by the ultraviolet lamp module 5 is swung and irradiated on the light reflection surface 61, and is irradiated in the light reflection box cover 6 after being reflected, and thus ultraviolet light post-curing is performed on the model placed in the light reflection box cover; by controlling the reciprocating swing angle and the stop time of the stepping motor 511, the irradiated light quantity at different height spatial positions in the reflection box cover 6 tends to be uniform.

Further, still include: a heating fan 13, a vent 14, and a ventilation duct 15; the heating fan 13 is electrically connected with the power supply and control module 7; the heating fan 13 is arranged in the bottom box 1; the ventilation opening 14 is opened on the upper surface of the bottom box 1; the ventilation pipe 15 is communicated with the heating fan 13 and the ventilation opening 14 to form a hot air circulation pipeline together, the heating fan 13 is electrified to generate hot air, and the closed space in the light reflection box cover 6 is heated in a hot air circulation mode through the hot air circulation pipeline, so that a model placed in the light reflection box cover is heated, and the model is naturally cooled and then is subjected to stress relief.

Further, still include: an operation module 71, a display module 72; the operation module 71 and the display module 72 are electrically connected to the power supply and control module 7; the user inputs an operation control instruction to the power supply and control module 7 through the operation module 71; the display module 72 displays various instruction parameters of the power supply and control module 7 during operation.

Further, still include: the unfixed magnetic adsorption stirring unit 8, the cleaning barrel 9 and the cleaning basket 91; wherein, two magnets 31 are symmetrically arranged at the bottom of the magnetic rotary disk 3; the upper surface of the bottom box 1 is provided with a round hole 11; the motor 2 and the power supply and control module 7 are arranged in the bottom box 1; the power supply and control module 7 is electrically connected with and controls the running and stopping of the motor 2; the output shaft of the motor 2 is connected with and drives the magnetic attraction rotary disc 3; the magnetic rotary disc 3 is arranged in the round hole 11; the cleaning barrel 9 is arranged above the magnetic rotary table 3, and the cleaning barrel 9 is detachably connected with the bottom box 1; the unfixed magnetic adsorption stirring unit 8 is placed on the bottom of the cleaning barrel 9, and the unfixed magnetic adsorption stirring unit 8 is connected with the magnet 31 through magnetic attraction; the cleaning basket 91 is used for containing models; the cleaning basket 91 is detachably connected to the cleaning barrel 9, and a space is reserved between the barrel bottom of the cleaning barrel 9 and the lower part of the cleaning basket 91 and is used for containing the rotary stirring motion of the unfixed magnetic adsorption stirring unit 8; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the unfixed magnetic attraction stirring unit 8 is driven to rotate so as to drive liquid in the cleaning barrel 9 to stir and clean the model.

Preferably, the upper surface of the bottom box 1 is provided with an inclined surface 12, and the ultraviolet lamp module 5 is arranged on the inclined surface 12; the light reflecting surface 61 comprises a diffuse reflecting surface, or a plane reflecting surface, or an arc reflecting surface; the light reflecting surface 61 is a reflecting film, a plane mirror or a reflecting coating.

Preferably, the detachable turntable 4 comprises a turntable 41, a magnetic adsorption gasket 42 and a set screw 43; the magnetic adsorption gasket 42 is fixed at the bottom of the turntable 41; two positioning screws 43 are symmetrically arranged at the bottom of the magnetic adsorption gasket 42; the top of the magnetic rotary table 3 is symmetrically provided with two positioning holes 32; the positioning screw 43 is positioned in the positioning hole 32; the bottom symmetry of carousel 3 is provided with two magnet 31 to magnetism, magnetism adsorbs gasket 42 and magnet 31 magnetism to inhale fixedly.

Preferably, a heat radiation fan 52 and a heat radiation block 53 are arranged on the upper surface of the bottom case 1; the heat dissipation fan 52 is electrically connected to the power supply and control module 7; the heat dissipation block 53 is arranged between the ultraviolet lamp module 5 and the upper surface of the bottom box 1; the heat dissipation fan 52 is fixed near the heat dissipation block 53 for accelerating heat dissipation.

Preferably, the cleaning basket 91 is hooked on the opening of the cleaning barrel 9, or the cleaning basket 91 is stopped at the barrel wall of the cleaning barrel 9, or the cleaning basket 91 is supported by a support frame and placed at the bottom of the cleaning barrel 9.

Preferably, the unfixed magnetic adsorption stirring unit 8 is a bar magnet, or a bar magnet steel, or a bar stainless steel, or a nickel bar.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the photocuring 3D printing post-processing device, a bottom projection type ultraviolet light reflection curing scheme is adopted, the ultraviolet lamp module is mounted on the bottom box, ultraviolet light is projected upwards, and reflection scattering is carried out by the light reflection surface in the light reflection box cover, so that the curing requirement of the ultraviolet light on the model can be met, the upright columns in the background technical scheme can be simplified and removed, the rear sight line is not shielded, the whole device is simple and attractive in structure, and the model can be favorably displayed in a 360-degree barrier-free mode after curing is finished.

2. According to the photocuring 3D printing post-processing device, the heating function is added, and the closed space in the light reflection box cover can be heated in a hot air circulation mode through the hot air circulation pipeline, so that a model placed in the light reflection box cover is heated, and the model is naturally cooled and then is subjected to stress relief.

3. According to the photocuring 3D printing post-treatment device provided by the utility model, the curing and cleaning share one bottom box, the bottom box can be reused with a cleaning barrel in a time-sharing manner, products to be treated can be cured, heated and cleaned according to actual requirements, the post-treatment process of photocuring 3D printing can be simplified, the post-treatment working efficiency is improved, and simultaneously the waste of alcohol solution and the liquid waste pollution caused by photosensitive resin solution due to manual washing of the photosensitive resin solution on the surface of a model by using alcohol are reduced.

4. According to the photocuring 3D printing post-processing device, the ultraviolet lamp module adopts a swing type structure, the ultraviolet light dispersion amount of different height positions in the light reflection box cover can be further controlled, the swing type reflector is finely controlled to prolong the light irradiation direct radiation of the upper part in the light reflection box cover and the light scanning retention time of the light reflection surface, and the irradiated light amount of different height space positions in the light reflection box cover is more uniform.

5. According to the photocuring 3D printing post-treatment device, the unfixed magnetic adsorption stirring unit is adopted for magnetic adsorption stirring when the model is washed, and the impeller structure in the background technical scheme needs to be fixed at the bottom of the washing barrel through a shaft, so that the processing and the production are inconvenient, the production cost is increased, the model is easy to agglomerate at the dead angle of the lower part of the impeller, the model is inconvenient to clean thoroughly, and the unfixed magnetic adsorption stirring unit can play a role in stirring the solution in the barrel and can be taken away after being used up, so that the barrel bottom is convenient to clean.

Drawings

Fig. 1 is an embodiment 1 of the photocuring 3D printing post-processing apparatus of the present invention;

FIG. 2 is a schematic diagram of the use of embodiment 1 of the photo-curing 3D printing post-processing device of the present invention;

FIG. 3 is a schematic bottom box view 1 of an embodiment 1 of the photo-curing 3D printing post-processing device according to the utility model;

FIG. 4 is a schematic view of a bottom box 2 of the flow chart 1 of the photo-curing 3D printing post-processing device according to the present invention;

fig. 5 is embodiment 2 of the photocuring 3D printing post-processing device of the present invention;

fig. 6 is embodiment 3 of the photocuring 3D printing post-processing device of the present invention;

FIG. 7 is a two-dimensional block diagram of an embodiment 4 of the post-processing apparatus for photocuring 3D printing of the present invention;

FIG. 8 is a perspective view of a back box of embodiment 4 of the post-processing apparatus for photocuring 3D printing according to the present invention;

FIG. 9 is a two-dimensional block diagram of an embodiment 5 of the post-processing apparatus for photocuring 3D printing of the present invention;

FIG. 10 is a perspective view of a back box of embodiment 5 of the post-processing apparatus for photocuring 3D printing of the present invention;

FIG. 11 is a two-dimensional block diagram of an embodiment 6 of the post-processing apparatus for photocuring 3D printing of the present invention;

FIG. 12 is a perspective view of a back box of embodiment 6 of the post-processing apparatus for photocuring 3D printing of the present invention;

FIG. 13 is a two-dimensional block diagram of embodiment 7 of the post-processing apparatus for photocuring 3D printing of the present invention;

fig. 14 is a perspective view of a bottom case of embodiment 7 of the photo-curing 3D printing post-processing device according to the present invention.

Description of reference numerals:

a bottom case 1; a motor 2; a magnetic rotary table 3; a detachable turntable 4; an ultraviolet lamp module 5; a light reflection case cover 6; a power supply and control module 7; the unfixed magnetic adsorption stirring unit 8; a cleaning barrel 9; a circular hole 11; a bevel 12; a heating fan 13; a vent 14; a ventilation duct 15; a magnet 31; the positioning holes 32; a turntable 41; a magnetic attraction pad 42; a set screw 43; a heat radiation fan 52; a heat dissipation block 53; a stepping motor 511, a mounting plate 512, a swinging shaft 513, a support table 514 and a gear 515; a light reflecting surface 61; a planar reflective surface 611; a diffusive reflective surface 612; an operation module 71; a display module 72; a touch display screen 712; a cleaning basket 91; the model 100.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Fig. 1 shows an embodiment 1 of the photo-curing 3D printing post-processing apparatus according to the present invention. This figure is a post-treatment cure protocol of the present invention. As shown in the figure, the photocuring 3D printing post-processing device comprises a bottom box 1, a motor 2, a magnetic rotary table 3, a detachable rotary table 4, an ultraviolet lamp module 5, a light reflection box cover 6 and a power supply and control module 7; the upper surface of the bottom box 1 is provided with a round hole 11 and a top window 12, and the inner surface of the light reflection box cover 6 is provided with a light reflection surface 61; the motor 2 and the power supply and control module 7 are arranged in the bottom box 1; the power supply and control module 7 is electrically connected with and controls the running and stopping of the motor 2; the output shaft of the motor 2 is connected with and drives the magnetic attraction rotary disc 3; the magnetic rotary disc 3 is arranged in the round hole 11; the detachable rotary table 4 is positioned above the magnetic attraction rotary table 3, and the detachable rotary table 4 is detachably connected with the magnetic attraction rotary table 3; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the detachable rotary disc 4 is driven to rotate; the ultraviolet lamp module 5 is arranged on the upper surface of the bottom box 1; the ultraviolet lamp module 5 is electrically connected with the power supply and control module 7; the ultraviolet lamp module 5 emits upward ultraviolet light after being electrified, the ultraviolet light irradiates the light reflecting surface 61, and the ultraviolet light irradiates the light reflecting box cover 6 after being reflected, so that the model 100 placed inside the ultraviolet lamp module is subjected to ultraviolet light post-curing; the light reflection box cover 6 covers the peripheral edge of the upper part of the bottom box 1, and the light reflection box cover 6 is detachably connected with the bottom box 1. In the figure, the light reflecting surface 61 is arranged on the periphery and the top surface of the inner wall of the light reflecting box cover 6; the light reflecting surface 61 comprises a diffuse reflecting surface, or a plane reflecting surface, or an arc reflecting surface; the light reflecting surface 61 is a reflecting film, a plane mirror or a reflecting coating.

In addition, in this embodiment, the method further includes: an operation module 71, a display module 72; the operation module 71 and the display module 72 are electrically connected to the power supply and control module 7; the user inputs an operation control instruction to the power supply and control module 7 through the operation module 71; the display module 72 displays various instruction parameters of the power supply and control module 7 during operation.

Fig. 2 is a schematic usage diagram of the photo-curing 3D printing post-processing device 1 according to the present invention. As shown in the figure, on the basis of fig. 1, the model 100 is placed on the detachable turntable 4, because the ultraviolet lamp modules 5 are arranged on two sides in the figure, after the ultraviolet light emitted by the ultraviolet lamp modules 5 on two sides is reflected by the light reflecting surface 61 on the light reflecting box cover 6, the illumination intensity distribution of the ultraviolet light on two sides is relatively stronger, when the light curing function of the opening device is performed, the motor 3 drives the model 100 to rotate at a constant speed, and then the material surface of the model 100 on the same height can be uniformly irradiated.

Fig. 3 is a schematic bottom box view 1 of the photocuring 3D printing post-processing device according to embodiment 1 of the utility model. As shown in the figure, on the basis of the bottom box in the lower part of figure 1, the detachable turntable 4 is taken down, the condition that the magnetic attraction turntable 3 is arranged in the round hole 11 can be displayed more clearly, and two magnets 31 are symmetrically arranged at the bottom of the magnetic attraction turntable 3.

Fig. 4 is a schematic bottom box view 2 of the flow chart 1 of the photocuring 3D printing post-processing device of the utility model. As shown in the figure, on the basis of fig. 1, the light reflection box cover 6 is taken down, the magnetic attraction rotary disc 3 can be displayed more clearly to be arranged in the round hole 11, the detachable rotary disc 4 is positioned above the magnetic attraction rotary disc 3, and the bottom of the magnetic attraction rotary disc 3 is symmetrically provided with two magnets 31.

Fig. 5 shows an embodiment 2 of the photo-curing 3D printing post-processing device according to the present invention. This figure is a post-treatment cleaning protocol of the present invention. As shown in the figure, the embodiment and the scheme of the embodiment 1 share one bottom box, and can be time-shared and reused with the cleaning barrel. In the figure, on the basis of fig. 3, a non-fixed magnetic adsorption stirring unit 8 and a cleaning barrel 9 are added; wherein, two magnets 31 are symmetrically arranged at the bottom of the magnetic rotary disk 3; the cleaning barrel 9 is arranged above the magnetic rotary table 3, and the cleaning barrel 9 is detachably connected with the bottom box 1; the unfixed magnetic adsorption stirring unit 8 is placed on the bottom of the cleaning barrel 9, and the unfixed magnetic adsorption stirring unit 8 is connected with the magnet 31 through magnetic attraction; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the unfixed magnetic attraction stirring unit 8 is driven to rotate so as to drive liquid in the cleaning barrel 9 to stir and clean. This embodiment is suitable for cleaning the wall of the washing tub 9.

Fig. 6 shows an embodiment 3 of the photo-curing 3D printing post-processing device according to the present invention. This figure is a post-treatment cleaning protocol of the present invention with the addition of a cleaning basket. As shown, this figure is based on FIG. 5 with the addition of a cleaning basket 91; the cleaning basket 91 is used for containing models; the cleaning basket 91 is detachably connected to the cleaning barrel 9, and a space is reserved between the barrel bottom of the cleaning barrel 9 and the lower part of the cleaning basket 91 and is used for containing the rotary stirring motion of the unfixed magnetic adsorption stirring unit 8; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the unfixed magnetic attraction stirring unit 8 is driven to rotate so as to drive liquid in the cleaning barrel 9 to stir and clean the model 100. This embodiment is suitable for cleaning the mold 100.

Fig. 7 is a two-dimensional structural view of embodiment 4 of the photo-curing 3D printing post-processing apparatus of the present invention. As shown in the figure, on the basis of the scheme of fig. 1, a heat radiation fan 52 and a heat radiation block 53 are added in the bottom box 1; the heat dissipation fan 52 is electrically connected to the power supply and control module 7; the heat dissipation block 53 is tightly attached to the ultraviolet lamp module 5 and fixed to the heat dissipation fan 52, and the heat dissipation fan 52 is fixed to the upper surface of the bottom case 1 for accelerating heat dissipation.

Secondly, the inner surface of the light reflection box cover 6 can be clearly seen to be provided with a light reflection surface 61 in the figure; the light reflecting surface 61 is a diffuse reflecting surface or a plane reflecting surface; the light reflecting surface 61 adopts a light reflecting film, a plane reflector or a reflecting coating; the motor 2 and the power supply and control module 7 are arranged in the bottom box 1; the power supply and control module 7 controls the running and stopping of the motor 2; the output shaft of the motor 2 is connected with and drives the magnetic attraction rotary disc 3; the detachable rotary table 4 is positioned above the magnetic attraction rotary table 3, and the detachable rotary table 4 is detachably connected with the magnetic attraction rotary table 3; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the detachable rotary disc 4 is driven to rotate; the ultraviolet lamp module 5 is arranged on the upper surface of the bottom box 1; the ultraviolet lamp module 5 is electrically connected with the power supply and control module 7; the ultraviolet lamp module 5 emits upward ultraviolet light after being electrified, the ultraviolet light irradiates the light reflecting surface 61, and the ultraviolet light irradiates the light reflecting box cover 6 after being reflected, so that the model 100 placed inside the ultraviolet lamp module is subjected to ultraviolet light post-curing; the dotted line in the figure indicates the reflection path of part of the ultraviolet light; the light reflection box cover 6 covers the peripheral edge of the upper part of the bottom box 1, and the light reflection box cover 6 is detachably connected with the bottom box 1. The light reflecting surface 61 is provided on the periphery and top surface of the inner wall of the light reflecting box cover 6. In this embodiment, the method further includes: an operation module 71, a display module 72; the operation module 71 and the display module 72 are electrically connected to the power supply and control module 7; the user inputs an operation control instruction to the power supply and control module 7 through the operation module 71; the display module 72 displays various instruction parameters of the power supply and control module 7 during operation.

Furthermore, in the present embodiment, it can be clearly seen that the magnetic attraction pads 42 are fixed to the bottom of the turntable 41; two positioning screws 43 are symmetrically arranged at the bottom of the magnetic adsorption gasket 42, and one positioning screw 43 is absent in the drawing for indicating the position of the positioning hole 32; the top of the magnetic rotary table 3 is symmetrically provided with two positioning holes 32; the positioning screw 43 is positioned in the positioning hole 32; the bottom symmetry of carousel 3 is provided with two magnet 31 to magnetism, magnetism adsorbs gasket 42 and magnet 31 magnetism to inhale fixedly.

Fig. 8 is a perspective view of a bottom case of embodiment 4 of the photo-curing 3D printing post-processing device according to the present invention. As shown in the figure, the light reflection box cover 6 is removed from the figure 7, so that the whole situation of the bottom box 1 can be more clearly displayed; compared with the bottom case 1 in fig. 4, a heat dissipation fan 52 and a heat dissipation block 53 are added in the bottom case 1; the heat dissipation fan 52 is electrically connected to the power supply and control module 7; the heat dissipation block 53 is tightly attached to the ultraviolet lamp module 5 and fixed to the heat dissipation fan 52, and the heat dissipation fan 52 is fixed to the upper surface of the bottom case 1 for accelerating heat dissipation.

Fig. 9 is a two-dimensional structural view of embodiment 5 of the photo-curing 3D printing post-processing apparatus of the present invention. As shown in the figure, on the basis of the scheme of FIG. 1, a slope 16 is arranged on the upper surface of the bottom box 1, and the ultraviolet lamp module 5 is arranged on the upper surface of the slope 16. The reason why the inclined surface 16 is provided for installing the ultraviolet lamp module 5 in this embodiment is that the irradiation angle of the ultraviolet lamp module 5 is relatively divergent, which results in stronger irradiation of direct ultraviolet light on the lower portion of the model 100, so that the ultraviolet lamp module 5 needs to be inclined outward to irradiate the ultraviolet light upward as much as possible, and after passing through a plane reflection or diffuse reflection surface, the illumination distribution in the light reflection box cover 6 can be better made more uniform.

In this figure, the light reflecting surface 61 is also clearly seen on the inner surface of the light reflecting box cover 6; the light reflecting surface 61 is a diffuse reflecting surface or a plane reflecting surface; the light reflecting surface 61 adopts a light reflecting film, a plane reflector or a reflecting coating; the motor 2 and the power supply and control module 7 are arranged in the bottom box 1; the power supply and control module 7 controls the running and stopping of the motor 2; the output shaft of the motor 2 is connected with and drives the magnetic attraction rotary disc 3; the detachable rotary table 4 is positioned above the magnetic attraction rotary table 3, and the detachable rotary table 4 is detachably connected with the magnetic attraction rotary table 3; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the detachable rotary disc 4 is driven to rotate; the ultraviolet lamp module 5 is electrically connected with the power supply and control module 7; the ultraviolet lamp module 5 emits upward ultraviolet light after being electrified, the ultraviolet light irradiates the light reflecting surface 61, and the ultraviolet light irradiates the light reflecting box cover 6 after being reflected, so that the model 100 placed inside the ultraviolet lamp module is subjected to ultraviolet light post-curing; the dotted line in the figure indicates the reflection path of part of the ultraviolet light; the light reflection box cover 6 covers the peripheral edge of the upper part of the bottom box 1, and the light reflection box cover 6 is detachably connected with the bottom box 1. The light reflecting surface 61 is provided on the periphery and top surface of the inner wall of the light reflecting box cover 6. In this embodiment, the method further includes: an operation module 71, a display module 72; the operation module 71 and the display module 72 are electrically connected to the power supply and control module 7; the user inputs an operation control instruction to the power supply and control module 7 through the operation module 71; the display module 72 displays various instruction parameters of the power supply and control module 7 during operation.

In addition, in the present embodiment, it can also be clearly seen that the magnetic adsorption pad 42 is fixed to the bottom of the turntable 41; two positioning screws 43 are symmetrically arranged at the bottom of the magnetic adsorption gasket 42; the top of the magnetic rotary table 3 is symmetrically provided with two positioning holes 32; the positioning screw 43 is positioned in the positioning hole 32; the bottom symmetry of carousel 3 is provided with two magnet 31 to magnetism, magnetism adsorbs gasket 42 and magnet 31 magnetism to inhale fixedly.

Fig. 10 is a perspective view of a bottom case of embodiment 5 of the photo-curing 3D printing post-processing device according to the present invention. As shown in the figure, the light reflection box cover 6 is removed from the figure 9, so that the whole situation of the bottom box 1 can be more clearly displayed; compared with the bottom case 1 in fig. 4, the bottom case 1 is provided with a slope 16 on the upper surface, and the ultraviolet lamp module 5 is arranged on the upper surface of the slope 16. The reason why the inclined surface 16 is provided for installing the ultraviolet lamp module 5 in this embodiment is that the irradiation angle of the ultraviolet lamp module 5 is relatively divergent, which results in stronger irradiation of direct ultraviolet light on the lower portion of the model 100, so that the ultraviolet lamp module 5 needs to be inclined outward to irradiate the ultraviolet light upward as much as possible, and after passing through a plane reflection or diffuse reflection surface, the illumination distribution in the light reflection box cover 6 can be better made more uniform.

Fig. 11 is a two-dimensional structural view of embodiment 6 of the photo-curing 3D printing post-processing apparatus of the present invention. As shown in the figure, on the basis of the scheme of fig. 1, movable mechanisms for installing and swinging the ultraviolet lamp module 5 are added at the left side and the right side of the bottom box 1; the ultraviolet lamp module 5 is fixed on the mounting plate 512; the swinging shafts 513 are arranged at two ends of the mounting plate 512; the swinging shaft 513 is movably connected to the supporting table 514; the support table 514 is connected to the upper surface of the bottom case 1; the stepping motor 511 is connected with a driving swing shaft 513 through a gear 514, and drives the mounting plate 512 and the ultraviolet lamp module 5 to do reciprocating swing motion, so that part of ultraviolet light emitted upwards by the ultraviolet lamp module 5 is swung and irradiated on the light reflection surface 61, and is irradiated in the light reflection box cover 6 after being reflected, and then ultraviolet light post-curing is performed on the model 100 placed in the light reflection box cover; by controlling the reciprocating swing angle and the stop time of the stepping motor 511, the irradiated light quantity at different height spatial positions in the reflection box cover 6 tends to be uniform.

Secondly, in this figure, the inner surface of the light reflection box cover 6 is clearly seen to be provided with a light reflection surface 61; the light reflecting surface 61 is a diffuse reflecting surface or a plane reflecting surface; the light reflecting surface 61 adopts a light reflecting film, a plane reflector or a reflecting coating; the motor 2 and the power supply and control module 7 are arranged in the bottom box 1; the power supply and control module 7 controls the running and stopping of the motor 2; the output shaft of the motor 2 is connected with and drives the magnetic attraction rotary disc 3; the detachable rotary table 4 is positioned above the magnetic attraction rotary table 3, and the detachable rotary table 4 is detachably connected with the magnetic attraction rotary table 3; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the detachable rotary disc 4 is driven to rotate; the ultraviolet lamp module 5 and a movable mechanism which is arranged and enables the ultraviolet lamp module 5 to swing are arranged on the upper surface of the bottom box 1; the ultraviolet lamp module 5 and the stepping motor 511 are electrically connected to the power supply and control module 7; after the ultraviolet lamp module 5 is electrified, part of ultraviolet light emitted upwards irradiates the light reflecting surface 61 and irradiates the light reflecting box cover 6 after reflection, so that the model 100 placed in the ultraviolet lamp module is subjected to ultraviolet light post-curing; the dotted line in the figure indicates the reflection path of part of the ultraviolet light; the light reflection box cover 6 covers the peripheral edge of the upper part of the bottom box 1, and the light reflection box cover 6 is detachably connected with the bottom box 1. The light reflecting surface 61 is provided on the periphery and top surface of the inner wall of the light reflecting box cover 6. In this embodiment, the method further includes: an operation module 71, a display module 72; the operation module 71 and the display module 72 are electrically connected to the power supply and control module 7; the user inputs an operation control instruction to the power supply and control module 7 through the operation module 71; the display module 72 displays various instruction parameters of the power supply and control module 7 during operation.

Fig. 12 is a perspective view of a back box of embodiment 6 of the photo-curing 3D printing post-processing device according to the present invention. As shown in the figure, the light reflection box cover 6 is removed from the figure 11, so that the whole situation of the bottom box 1 can be more clearly displayed; compared with the bottom box 1 in fig. 4, the left side and the right side of the bottom box 1 are additionally provided with movable mechanisms for installing and swinging the ultraviolet lamp module 5; the ultraviolet lamp module 5 is electrically connected with the power supply and control module 7; the power supply and control module 7 is electrically connected with and controls the stepping motor 511 to do reciprocating swing motion; the ultraviolet lamp module 5 is fixed on the mounting plate 512; the swinging shafts 513 are arranged at two ends of the mounting plate 512; the swinging shaft 513 is movably connected to the supporting table 514; the support table 514 is connected to the upper surface of the bottom case 1; the stepping motor 511 is connected with a driving swing shaft 513 through a gear 514, and drives the mounting plate 512 and the ultraviolet lamp module 5 to do reciprocating swing motion, so that part of ultraviolet light emitted upwards by the ultraviolet lamp module 5 is swung and irradiated on the light reflection surface 61, and is irradiated in the light reflection box cover 6 after being reflected, and then ultraviolet light post-curing is performed on the model 100 placed in the light reflection box cover; by controlling the reciprocating swing angle and the stop time of the stepping motor 511, the irradiated light quantity at different height spatial positions in the reflection box cover 6 tends to be uniform.

Fig. 13 is a two-dimensional structural view of embodiment 7 of the photo-curing 3D printing post-processing apparatus of the present invention. As shown in the figure, on the basis of the scheme of FIG. 1, a heating fan 13, a ventilation opening 14 and a ventilation pipe 15 are additionally arranged in a bottom box 1 of the figure; the heating fan 13 is arranged in the bottom box 1; the ventilation opening 14 is opened on the upper surface of the bottom box 1; the ventilation pipe 15 is communicated with the heating fan 13 and the ventilation opening 14 to form a hot air circulation pipeline together, the heating fan 13 is electrified to generate hot air, and the closed space in the light reflection box cover 6 is heated in a hot air circulation mode through the hot air circulation pipeline, so that the model 100 placed in the light reflection box cover is heated and is subjected to stress relief after being naturally cooled.

Secondly, it can be clearly seen in this figure that the inner side surface of the light reflection box cover 6 is provided with a plane reflection surface 611, and the inner top surface thereof is provided with a diffuse reflection surface 612; the planar reflecting surface 611 adopts a reflecting film or a planar reflector, and the diffuse reflecting surface 612 adopts a reflecting film or a reflecting coating; the motor 2 and the power supply and control module 7 are arranged in the bottom box 1; the power supply and control module 7 controls the running and stopping of the motor 2; the output shaft of the motor 2 is connected with and drives the magnetic attraction rotary disc 3; the detachable rotary table 4 is positioned above the magnetic attraction rotary table 3, and the detachable rotary table 4 is detachably connected with the magnetic attraction rotary table 3; when the motor 2 drives the magnetic attraction rotary disc 3 to rotate, the detachable rotary disc 4 is driven to rotate; the ultraviolet lamp module 5 is arranged on the upper surface of the bottom box 1; the ultraviolet lamp module 5 is electrically connected with the power supply and control module 7; the ultraviolet lamp module 5 emits upward ultraviolet light after being electrified, the ultraviolet light irradiates the light reflecting surface 61, and the ultraviolet light irradiates the light reflecting box cover 6 after being reflected, so that the model 100 placed inside the ultraviolet lamp module is subjected to ultraviolet light post-curing; the dotted line in the figure indicates the reflection path of part of the ultraviolet light; the light reflection box cover 6 covers the peripheral edge of the upper part of the bottom box 1, and the light reflection box cover 6 is detachably connected with the bottom box 1. The light reflecting surface 61 is provided on the periphery and top surface of the inner wall of the light reflecting box cover 6. Also, in the present embodiment, the touch display screen 712 is employed in place of the operation module 71 and the display module 72; the touch display screen 712 is electrically connected to the power supply and control module 7; the user inputs an operation control instruction to the power supply and control module 7 through the touch display screen 712; and various instruction parameters of the power supply and control module 7 during operation are displayed through the touch display screen 712.

Furthermore, in the present embodiment, it can be clearly seen that the magnetic attraction pads 42 are fixed to the bottom of the turntable 41; two positioning screws 43 are symmetrically arranged at the bottom of the magnetic adsorption gasket 42; the top of the magnetic rotary table 3 is symmetrically provided with two positioning holes 32; the positioning screw 43 is positioned in the positioning hole 32; the bottom symmetry of carousel 3 is provided with two magnet 31 to magnetism, magnetism adsorbs gasket 42 and magnet 31 magnetism to inhale fixedly.

Fig. 14 is a perspective view of a bottom case of embodiment 7 of the photo-curing 3D printing post-processing device according to the present invention. As shown in the figure, the light reflection box cover 6 is removed from the figure 13, so that the whole situation of the bottom box 1 can be more clearly displayed; compared with the bottom box 1 in fig. 4, a heating fan 13, a ventilation opening 14 and a ventilation pipe 15 are added in the bottom box 1; the heating fan 13 is electrically connected with the power supply and control module 7; the heating fan 13 is arranged in the bottom box 1; the ventilation opening 14 is opened on the upper surface of the bottom box 1; the ventilation pipe 15 is communicated with the heating fan 13 and the ventilation openings 14 to jointly form a hot air circulation pipeline, the heating fan 13 is electrified to generate hot air, the hot air circulation pipeline is used for carrying out hot air circulation heating on the closed space in the light reflection box cover 6, so that the model 100 placed in the light reflection box cover is heated and is subjected to stress relief after natural cooling, the two ventilation openings 14 are arranged diagonally in the drawing, hot air circulation convection is formed by one inlet and one outlet in the light reflection box cover 6, and hot air heating is facilitated.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A photocuring 3D printing post-processing device is characterized by comprising a bottom box (1), a motor (2), a magnetic suction rotary table (3), a detachable rotary table (4), an ultraviolet lamp module (5), a light reflection box cover (6) and a power supply and control module (7); the upper surface of the bottom box (1) is provided with a round hole (11), and the inner surface of the light reflection box cover (6) is provided with a light reflection surface (61); the motor (2) and the power supply and control module (7) are arranged in the bottom box (1); the power supply and control module (7) is electrically connected with and controls the running and stopping of the motor (2); an output shaft of the motor (2) is connected with and drives the magnetic attraction rotary table (3); the magnetic attraction rotary disc (3) is arranged in the round hole (11); the detachable rotary table (4) is positioned above the magnetic attraction rotary table (3), and the detachable rotary table (4) is detachably connected with the magnetic attraction rotary table (3); when the motor (2) drives the magnetic attraction rotary disc (3) to rotate, the detachable rotary disc (4) is driven to rotate; the ultraviolet lamp module (5) is arranged on the upper surface of the bottom box (1); the ultraviolet lamp module (5) is electrically connected with the power supply and control module (7); ultraviolet light emitted upwards after the ultraviolet lamp module (5) is electrified is irradiated on the light reflection surface (61) and is irradiated in the light reflection box cover (6) after being reflected, so that the model placed in the ultraviolet lamp module is subjected to ultraviolet light post-curing; the light reflection box cover (6) covers the peripheral edge of the upper part of the bottom box (1), and the light reflection box cover (6) is detachably connected with the bottom box (1).

2. The photocuring 3D printing post-processing device of claim 1, further comprising: a stepping motor (511), a mounting plate (512), a swing shaft (513), a support table (514) and a gear (515); the power supply and control module (7) is electrically connected with and controls the stepping motor (511) to do reciprocating swing motion; the ultraviolet lamp module (5) is fixed on the mounting plate (512); the swinging shafts (513) are arranged at two ends of the mounting plate (512); the swinging shaft (513) is movably connected to the supporting table (514); the supporting platform (514) is connected to the upper surface of the bottom box (1); the stepping motor (511) is connected with a driving swing shaft (513) through a gear (515) to drive the mounting plate (512) and the ultraviolet lamp module (5) to do reciprocating swing motion, so that part of ultraviolet light emitted upwards by the ultraviolet lamp module (5) is swung and irradiated on the light reflection surface (61), and is irradiated in the light reflection box cover (6) after being reflected, so that a model placed in the stepping motor is subjected to ultraviolet light post-curing; by controlling the reciprocating swing angle and the stop time of the stepping motor (511), the irradiated light quantity at different height space positions in the light reflection box cover (6) tends to be uniform.

3. The photocuring 3D printing post-processing device of claim 1, further comprising: a heating fan (13), a ventilation opening (14) and a ventilation pipe (15); the heating fan (13) is electrically connected with the power supply and control module (7); the heating fan (13) is arranged in the bottom box (1); the vent (14) is opened on the upper surface of the bottom box (1); the ventilation pipe (15) is communicated with the heating fan (13) and the ventilation opening (14) and jointly forms a hot air circulation pipeline, the heating fan (13) is electrified to generate hot air, and the hot air circulation pipeline is used for carrying out hot air circulation heating on the closed space in the light reflection box cover (6), so that a model placed in the heat reflection box cover is heated, and the stress of the model is relieved after the model is naturally cooled.

4. The photocuring 3D printing post-processing device of claim 1, further comprising: an operation module (71) and a display module (72); the operation module (71) and the display module (72) are electrically connected with the power supply and control module (7); a user inputs an operation control instruction to the power supply and control module (7) through the operation module (71); and the display module (72) displays various instruction parameters of the power supply and control module (7) during operation.

5. The photocuring 3D printing post-processing device of claim 1, further comprising: the device comprises a non-fixed magnetic adsorption stirring unit (8), a cleaning barrel (9) and a cleaning basket (91); wherein two magnets (31) are symmetrically arranged at the bottom of the magnetic rotary disc (3); the upper surface of the bottom box (1) is provided with a round hole (11); the motor (2) and the power supply and control module (7) are arranged in the bottom box (1); the power supply and control module (7) is electrically connected with and controls the running and stopping of the motor (2); an output shaft of the motor (2) is connected with and drives the magnetic attraction rotary table (3); the magnetic attraction rotary disc (3) is arranged in the round hole (11); the cleaning barrel (9) is arranged above the magnetic attraction rotary disc (3), and the cleaning barrel (9) is detachably connected with the bottom box (1); the unfixed magnetic adsorption stirring unit (8) is placed on the bottom of the cleaning barrel (9), and the unfixed magnetic adsorption stirring unit (8) is connected with the magnet (31) through magnetic attraction; the cleaning basket (91) is used for containing a model; the cleaning basket (91) is detachably connected to the cleaning barrel (9), and a space is reserved between the bottom of the cleaning barrel (9) and the lower part of the cleaning basket (91) and used for containing the rotary stirring motion of the unfixed magnetic adsorption stirring unit (8); when the motor (2) drives the magnetic attraction rotary disc (3) to rotate, the unfixed magnetic attraction stirring unit (8) is driven to rotate, so that liquid in the cleaning barrel (9) is driven to stir and clean the model.

6. The photocuring 3D printing post-processing device according to claim 1, characterized in that the upper surface of the bottom case (1) is provided with a bevel (12), and the ultraviolet lamp module (5) is provided with the bevel (12); the light reflecting surface (61) comprises a diffuse reflecting surface, or a plane reflecting surface, or an arc reflecting surface; the light reflecting surface (61) adopts a light reflecting film, a plane reflector or a reflecting coating.

7. The photocuring 3D printing post-processing device of claim 1, wherein the detachable carousel (4) comprises a carousel (41), a magnetic adsorption pad (42), and a set screw (43); the magnetic adsorption gasket (42) is fixed at the bottom of the turntable (41); two positioning screws (43) are symmetrically arranged at the bottom of the magnetic adsorption gasket (42); two positioning holes (32) are symmetrically arranged at the top of the magnetic rotary disc (3); the positioning screw (43) is positioned in the positioning hole (32); the bottom symmetry of carousel (3) is provided with two magnet (31) to magnetism, magnetism adsorbs gasket (42) and magnet (31) magnetism to inhale fixedly.

8. The photocuring 3D printing post-processing device according to claim 1, characterized in that the upper surface of the bottom case (1) is provided with a heat radiation fan (52) and a heat radiation block (53); the heat radiation fan (52) is electrically connected with the power supply and control module (7); the heat dissipation block (53) is arranged between the ultraviolet lamp module (5) and the upper surface of the bottom box (1); the heat dissipation fan (52) is fixed close to the heat dissipation block (53) and used for accelerating heat dissipation.

9. The photocuring 3D printing post-processing device according to claim 5, wherein the cleaning basket (91) is hooked on a bung of a cleaning barrel (9), or the cleaning basket (91) is plugged on a barrel wall of the cleaning barrel (9), or the cleaning basket (91) is supported by a support frame and placed on a barrel bottom of the cleaning barrel (9).

10. The photocuring 3D post-printing processing device according to claim 5, wherein the unfixed magnetic adsorption stirring unit (8) is a bar magnet, or a bar magnet steel, or a bar stainless steel, or a nickel bar.