CN218227876U - Photocuring 3D printer - Google Patents
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- CN218227876U CN218227876U CN202222132768.7U CN202222132768U CN218227876U CN 218227876 U CN218227876 U CN 218227876U CN 202222132768 U CN202222132768 U CN 202222132768U CN 218227876 U CN218227876 U CN 218227876U
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Abstract
The utility model provides a photocuring 3D printer, this photocuring 3D printer includes: the printing device comprises a printing platform, a printing part, a material groove and a detection part; the printing part, the material groove and the detection part are all fixed at the top of the printing platform, the outer part of the material groove is fixedly connected with one side of the detection part, and the detection part is provided with a liquid level detection circuit; the printing platform is used for providing resin for the material groove; and the liquid level detection circuit is used for acquiring the predicted consumed volume range of the resin and the actual consumed volume of the resin, and judging whether printing fails according to the actual consumed volume and the predicted consumed volume range. Because the utility model discloses a detect the actual volume of consuming of silo interior resin to compare with the prediction volume range of consuming, compare in the current mode that pauses through the manual work, the utility model discloses the operation of detecting the printing model quality is comparatively simple and convenient, promotes work efficiency.
Description
Technical Field
The utility model relates to a printer technical field especially relates to a photocuring 3D printer.
Background
At present, a photocuring 3D printer can print a 3D model required by a user through a resin material, and during printing, attention needs to be paid to the molding effect of the printed model at any time to ensure the quality of the final model.
However, in the prior art, because the bottom layer is usually easy to fail when being printed, and the bottom layer is immersed in the resin liquid, if a user needs to detect whether the bottom layer is successfully printed, the user needs to pause before watching the forming effect, and if no problem exists, the user needs to press a button to continue printing, so that the operation is complicated.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a photocuring 3D printer aims at solving the comparatively loaded down with trivial details technical problem of operation of the model quality that the user detected the photocuring 3D printer and printed in the prior art.
In order to achieve the above object, the utility model provides a photocuring 3D printer, photocuring 3D printer includes: the printing device comprises a printing platform, a printing part, a material groove and a detection part;
the printing part, the trough and the detection part are all fixed at the top of the printing platform, the outside of the trough is fixedly connected with one side of the detection part, and the detection part is provided with a liquid level detection circuit;
the printing platform is used for providing resin for the material groove;
the liquid level detection circuit is used for acquiring the predicted consumed volume range of the resin and the actual consumed volume of the resin, and judging whether printing fails according to the actual consumed volume and the predicted consumed volume range.
Optionally, the liquid level detection circuit comprises: the device comprises an acquisition module, a printing module, a comparison module and a prompt module;
the comparison module is respectively electrically connected with the acquisition module and the printing module, and the prompt module is electrically connected with the comparison module;
the printing module is used for acquiring the predicted consumption volume range of the resin and outputting a prediction signal to the comparison module;
the acquisition module is used for acquiring the actual consumed volume of the resin and outputting an acquisition signal to the comparison module;
the comparison module is used for comparing the prediction signal with the acquisition signal and outputting a comparison signal to the prompt module when the actual consumed volume exceeds the prediction consumed volume range;
and the prompting module is used for prompting the user that the printing fails when the comparison signal is received.
Optionally, the acquisition module comprises a liquid level ultrasonic sensor.
Optionally, the printing platform comprises: the feeding and discharging device comprises a shell, a feeding and discharging pump, a material box and a feeding pipe;
the feeding and discharging pump and the material box are arranged inside the shell, the feeding and discharging pump is connected with the material box through the feeding pipe, the feeding and discharging pump is further connected with the trough through the feeding pipe, the feeding and discharging pump is provided with a feeding circuit, and the feeding circuit is used for controlling the feeding and discharging pump to convey resin to the trough from the material box when the resin in the trough is lower than a preset threshold value.
Optionally, the feed circuit comprises: the device comprises a measuring module, a judging module and a switch module;
the judging module is electrically connected with the measuring module and the switch module respectively, and the switch module is also electrically connected with the feeding and discharging pump;
the measuring module is used for measuring the volume of the resin in the material tank and outputting a measuring signal to the judging module;
the judging module is used for receiving the measuring signal and outputting a judging signal to the switch module when the volume of the resin in the material tank is smaller than the preset threshold value;
and the switch module is used for controlling the feeding and discharging pump to be electrified when the judging signal is received, so that the feeding and discharging pump can convey the resin from the material box to the trough.
Optionally, the measurement module comprises: a level sensor and a first resistor;
the liquid level sensor comprises a liquid level sensor, a power supply, a judgment module and a liquid level sensor, wherein a first pin of the liquid level sensor is connected with the power supply, a second pin of the liquid level sensor is connected with a first resistor, the other end of the first resistor is connected with the first pin of the liquid level sensor, the second pin of the liquid level sensor is also connected with the judgment module, and a third pin of the liquid level sensor is grounded.
Optionally, the determining module includes: the circuit comprises a comparator, a second resistor, a third resistor and a fourth resistor;
the liquid level sensor is characterized in that a first pin of the comparator is connected with a second pin of the liquid level sensor, the second pin of the comparator is connected with the second resistor, the other end of the second resistor is connected with the third resistor and the fourth resistor respectively, the other end of the third resistor is connected with the power supply, the other end of the fourth resistor is grounded, and the output end of the comparator is connected with the switch module.
Optionally, the switch module comprises: the NPN triode, the fifth resistor and the relay;
the base electrode of the NPN triode is connected with the third pin of the comparator, the emitting electrode of the NPN triode is connected with the fifth resistor, the other end of the fifth resistor is grounded, the collecting electrode of the NPN triode is connected with the coil of the relay, the other end of the coil of the relay is connected with the power supply, the relay comprises a normally open contact switch, one end of the normally open contact switch is connected with the power supply, the other end of the normally open contact switch is connected with the feeding and discharging pump, and the other end of the feeding and discharging pump is grounded.
The utility model provides a photocuring 3D printer, this photocuring 3D printer includes: the printing device comprises a printing platform, a printing part, a material groove and a detection part; the printing part, the material groove and the detection part are all fixed at the top of the printing platform, the outer part of the material groove is fixedly connected with one side of the detection part, and a liquid level detection circuit is arranged on the detection part; the printing platform is used for providing resin for the material groove; the liquid level detection circuit is used for obtaining the predicted consumed volume amount range of the resin and the actual consumed volume amount of the resin, and judging whether printing fails according to the actual consumed volume amount and the predicted consumed volume amount range. Because the utility model discloses a detect the actual volume of consuming of silo interior resin to compare with the prediction volume of consuming volume scope, compare in current mode through artifical pause, the utility model discloses the operation of detecting the printing model quality is comparatively simple and convenient, promotes work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of a photocuring 3D printer provided by the present invention;
fig. 2 is a schematic structural diagram of a second implementation of the photocuring 3D printer provided by the present invention;
fig. 3 is a circuit diagram of a feeding circuit of a second implementation of the photocuring 3D printer provided by the present invention.
The reference numbers illustrate:
| reference numerals | Name(s) | Reference numerals | Name (R) | |
| 1 | |
42 | |
|
| 2 | |
43 | |
|
| 3 | Material groove | LT | Liquid level sensor | |
| 4 | Detection component | R1～R5 | First to fifth resistors | |
| 11 | Outer casing | N | Comparator with a |
|
| 12 | Feeding and discharging pump | | NPN triode | |
| 13 | Material box | KA1 | Relay with a |
|
| 14 | Feed pipe | KA1-1 | Normally |
|
| 41 | Measuring module |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a first embodiment of the light-cured 3D printer provided by the present invention.
Based on fig. 1, provide the utility model discloses the first embodiment of photocuring 3D printer.
In this embodiment, the photocuring 3D printer includes: the device comprises a printing platform 1, a printing part 2, a trough 3 and a detection part 4;
the printing part 2, the material groove 3 and the detection part 4 are all fixed at the top of the printing platform 1, the outer part of the material groove 3 is fixedly connected with one side of the detection part 4, and a liquid level detection circuit is arranged on the detection part 4;
the printing platform 1 is used for providing resin for the material tank 3;
the liquid level detection circuit is used for obtaining the predicted consumed volume amount range of the resin and the actual consumed volume amount of the resin, and judging whether printing fails according to the actual consumed volume amount and the predicted consumed volume amount range.
It should be noted that the photocuring 3D printer provided by this embodiment can be applied to any scene where 3D printing is performed, and the printing component 2 can be used to perform printing through the resin to obtain a printed product.
It can be understood that, in order to improve the detection accuracy, the actual consumed volume amount is an actual resin consumed volume amount of each layer printed by the photo-curing 3D printer, and accordingly, the predicted consumed volume range is a predicted resin consumed volume range of each layer printed by the photo-curing 3D printer.
It should be understood that the photocuring 3D printer described above can simulate the range of resin volumes that each layer of the 3D model needs to consume by software prior to printing.
In specific implementation, the photocuring 3D printer can judge whether each layer is successfully printed through the liquid level detection circuit, the liquid level detection circuit can obtain a predicted consumed volume range of each layer of resin of the 3D model and an actually consumed volume of each layer, when the actually consumed volume is within the predicted consumed volume range, successful printing can be judged, and when the actually consumed volume exceeds the predicted consumed volume range, printing failure can be judged.
Further, the liquid level detection circuit includes: the device comprises an acquisition module, a printing module, a comparison module and a prompt module;
the comparison module is respectively electrically connected with the acquisition module and the printing module, and the prompt module is electrically connected with the comparison module;
the printing module is used for acquiring the predicted consumption volume range of the resin and outputting a prediction signal to the comparison module;
it can be understood that the printing module can obtain the volume of resin consumed by each layer of the 3D model simulated by software.
The acquisition module is used for acquiring the actual consumed volume of the resin and outputting an acquisition signal to the comparison module;
it should be noted that the acquisition module may be a liquid level ultrasonic sensor, a liquid level capacitance sensor, or another sensor capable of detecting the volume amount of the resin.
The comparison module is used for comparing the prediction signal with the acquisition signal and outputting a comparison signal to the prompt module when the actual consumed volume exceeds the prediction consumed volume range;
and the prompting module is used for prompting the user that the printing fails when the comparison signal is received.
It can be understood that the prompting mode of the prompting module can be a light prompt, a sound prompt, or a pause of the printing operation of the photocuring 3D printer.
In concrete implementation, the comparison module can compare the preset consumed volume amount obtained by the printing module with the actual consumed volume amount obtained by the acquisition module, when the actual consumed volume amount is within the predicted consumed volume range, printing success can be judged, when the actual consumed volume amount exceeds the predicted consumed volume range, printing failure can be judged, and a user is prompted to fail printing.
Whether each layer is printed successfully is judged to this embodiment photocuring 3D printer accessible liquid level detection circuit, will predetermine consumption volume and compare with each layer actual consumption volume that obtains through the collection module through each layer that the printing module obtained, when actual consumption volume is in the prediction consumption volume within range, can judge and print successfully, when actual consumption volume exceedes prediction consumption volume within range, can judge and print the failure, suggestion user prints the failure. Because this embodiment is through the actual volume of consuming of detecting the interior resin of silo 3 to compare with prediction consumption volume range, compare in the current mode of suspending through the manual work, the operation of printing model quality is surveyed comparatively portably to this embodiment, promotes work efficiency.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a second implementation of the photocuring 3D printer provided by the present invention.
In order to ensure that the resin material in the above-mentioned silo 3 is sufficient, the existing is to judge the resin surplus through the naked eye of the user, and manually add when the surplus is not enough, the efficiency is low, and further, in order to promote the work efficiency and reduce the labor cost at the same time, as shown in fig. 2, based on the above-mentioned first embodiment, the printing platform 1 includes: a shell, a feeding and discharging pump 12, a material box 13 and a feeding pipe 14;
the feeding and discharging pump 12 and the material box 13 are both arranged inside the shell, the feeding and discharging pump 12 is connected with the material box 13 through the feeding pipe 14, the feeding and discharging pump 12 is further connected with the material groove 3 through the feeding pipe 14, the feeding and discharging pump 12 is provided with a feeding circuit, and the feeding circuit is used for controlling the feeding and discharging pump 12 to convey resin from the material box 13 to the material groove 3 when the resin in the material groove 3 is lower than a preset threshold value.
It will be appreciated that the feed and withdrawal pump 12 may be a resin transfer pump, or other transfer pump capable of transferring resin.
Further, the feeding circuit comprises: a measurement module 41, a judgment module 42 and a switch module 43;
the judging module 42 is electrically connected with the measuring module 41 and the switching module 43 respectively, and the switching module 43 is further electrically connected with the feeding and discharging pump 12;
the measuring module 41 is configured to measure the volume of the resin in the material tank 3, and output a measurement signal to the determining module 42;
the judging module 42 is configured to receive the measurement signal, and output a judging signal to the switch module 43 when the volume of the resin in the material tank 3 is smaller than the preset threshold;
the switch module 43 is configured to control the feeding and discharging pump 12 to be powered on when receiving the determination signal, so that the feeding and discharging pump 12 transports the resin from the material box 13 to the trough 3.
In a specific implementation, the measuring module 41 measures the volume of the resin in the trough 3, the determining module 42 determines whether the volume of the resin is smaller than a preset threshold according to the measuring signal, if yes, the determining signal is output to the switch module 43, the switch module 43 indicates that the resin is insufficient at the moment when receiving the determining signal, and the switch module 43 controls the feeding and discharging pump 12 to be powered on, so that the feeding and discharging pump 12 transports the resin from the magazine 13 to the trough 3 through the feeding pipe 14.
Further, referring to fig. 3, fig. 3 is a circuit diagram of a feeding circuit of a second implementation of the photocuring 3D printer provided by the present invention; as shown in fig. 3, the measurement module 41 includes: a level sensor LT and a first resistor R1;
the first pin of the liquid level sensor LT is connected with the power supply, the second pin of the liquid level sensor LT is connected with the first resistor R1, the other end of the first resistor R1 is connected with the first pin of the liquid level sensor LT, the second pin of the liquid level sensor LT is also connected with the judging module 42, and the third pin of the liquid level sensor LT is grounded.
It can be understood that the liquid level sensor LT may be a capacitive liquid level sensor LT, or may be a floating ball type liquid level sensor LT.
It should be noted that the level sensor LT may be disposed inside the tank 3 or at another position capable of measuring the volume of the resin in the tank 3, which is not limited in this embodiment.
In a specific implementation, when the liquid level sensor LT detects the volume amount of the resin in the tank 3, the second pin of the liquid level sensor LT outputs a measurement signal indicating the volume amount of the resin to the determining module 42.
Further, the determining module 42 includes: the comparator N, the second resistor R2, the third resistor R3 and the fourth resistor R4;
the first pin of the comparator N is connected with the second pin of the liquid level sensor LT, the second pin of the comparator N is connected with the second resistor R2, the other end of the second resistor R2 is respectively connected with the third resistor R3 and the fourth resistor R4, the other end of the third resistor R3 is connected with the power supply, the other end of the fourth resistor R4 is grounded, and the output end of the comparator N is connected with the switch module 43.
It should be understood that the first pin of the comparator N is a non-inverting input, the second pin of the comparator N is an inverting input, and the third pin of the comparator N is an output.
It should be noted that, a voltage value between the second resistor R2 and the third resistor R3 is used as a preset threshold, and the size of the preset threshold may be set according to actual situations.
In a specific implementation, the first pin of the comparator N receives the measurement signal, the second pin of the comparator N inputs the preset threshold, the measurement signal is compared with the preset threshold, when the volume of the resin in the trough 3 is greater than the preset threshold, the third pin of the comparator N does not output the determination signal, and when the volume of the resin in the trough 3 is less than the preset threshold, the third pin of the comparator N outputs the determination signal to the switch module 43.
Further, the switch module 43 includes: the NPN triode Q, the fifth resistor R5 and the relay KA1;
the base of the NPN triode Q is connected to the third pin of the comparator N, the emitter of the NPN triode Q is connected to the fifth resistor R5, the other end of the fifth resistor R5 is grounded, the collector of the NPN triode Q is connected to the coil of the relay KA1, the other end of the coil of the relay KA1 is connected to the power supply, the relay KA1 includes a normally open contact switch KA1-1, one end of the normally open contact switch KA1-1 is connected to the power supply, the other end of the normally open contact switch KA1-1 is connected to the feeding and discharging pump 12, and the other end of the feeding and discharging pump 12 is grounded.
In specific implementation, when the base of the NPN triode Q does not receive the determination signal, the collector and the emitter of the NPN triode Q remain off, the coil of the relay KA1 is not powered, the normally-open contact switch KA1-1 remains off, which indicates that the volume of the resin in the trough 3 is sufficient, and the feeding and discharging pump 12 is not powered, when the base of the NPN triode Q receives the determination signal, the collector and the emitter of the NPN triode Q are switched on, the coil of the relay KA1 is powered, the normally-open contact switch KA1-1 is closed, which indicates that the volume of the resin in the trough 3 is insufficient, and the feeding and discharging pump 12 is powered to transport the resin from the material box 13 into the trough 3.
In the embodiment, when the volume of the resin in the material tank 3 is detected by the liquid level sensor LT, the second pin of the liquid level sensor LT outputs a measurement signal which can indicate the volume of the resin to the comparator N; a first pin of the comparator N receives a measurement signal, a second pin of the comparator N inputs a preset threshold value, the measurement signal is compared with the preset threshold value, when the volume of the resin in the trough 3 is larger than the preset threshold value, no judgment signal is output by a third pin of the comparator N, and when the volume of the resin in the trough 3 is smaller than the preset threshold value, a judgment signal is output to the NPN triode Q by the third pin of the comparator N; when the base of the NPN triode Q does not receive the judgment signal, the collector and the emitter of the NPN triode Q are kept cut off, the coil of the relay KA1 is not electrified, the normally open contact switch KA1-1 is kept disconnected, the volume of the resin in the material tank 3 is sufficient at the moment, the feeding and discharging pump 12 is not electrified, when the base of the NPN triode Q receives the judgment signal, the collector and the emitter of the NPN triode Q are conducted, the coil of the relay KA1 is electrified, the normally open contact switch KA1-1 is closed, the volume of the resin in the material tank 3 is insufficient at the moment, and the feeding and discharging pump 12 is electrified to convey the resin into the material tank 3 from the material box 13. This embodiment compares in current through artifical resin volume in judging silo 3, can promote work efficiency, reduces the human cost simultaneously.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A photocuring 3D printer, characterized in that, photocuring 3D printer includes: the printing device comprises a printing platform, a printing part, a material groove and a detection part;
the printing part, the material groove and the detection part are all fixed at the top of the printing platform, the outer part of the material groove is fixedly connected with one side of the detection part, and a liquid level detection circuit is arranged on the detection part;
the printing platform is used for providing resin for the material groove;
the liquid level detection circuit is used for obtaining the predicted consumed volume amount range of the resin and the actual consumed volume amount of the resin, and judging whether printing fails according to the actual consumed volume amount and the predicted consumed volume amount range.
2. The photocuring 3D printer of claim 1, wherein the level detection circuit comprises: the device comprises an acquisition module, a printing module, a comparison module and a prompt module;
the comparison module is respectively electrically connected with the acquisition module and the printing module, and the prompt module is electrically connected with the comparison module;
the printing module is used for acquiring the predicted consumption volume range of the resin and outputting a prediction signal to the comparison module;
the acquisition module is used for acquiring the actual consumed volume of the resin and outputting an acquisition signal to the comparison module;
the comparison module is used for comparing the prediction signal with the acquisition signal and outputting a comparison signal to the prompt module when the actual consumed volume exceeds the prediction consumed volume range;
and the prompting module is used for prompting the user of printing failure when the comparison signal is received.
3. The photocuring 3D printer of claim 2, wherein the acquisition module comprises a liquid level ultrasonic sensor.
4. The photocuring 3D printer of any one of claims 1-3, wherein the printing platform comprises: the feeding and discharging device comprises a shell, a feeding and discharging pump, a material box and a feeding pipe;
the feeding and discharging pump and the material box are arranged inside the shell, the feeding and discharging pump is connected with the material box through the feeding pipe, the feeding and discharging pump is further connected with the trough through the feeding pipe, the feeding and discharging pump is provided with a feeding circuit, and the feeding circuit is used for controlling the feeding and discharging pump to convey resin to the trough from the material box when the resin in the trough is lower than a preset threshold value.
5. The photocuring 3D printer of claim 4, wherein the feed circuit comprises: the device comprises a measuring module, a judging module and a switch module;
the judging module is electrically connected with the measuring module and the switch module respectively, and the switch module is also electrically connected with the feeding and discharging pump;
the measuring module is used for measuring the volume of the resin in the material tank and outputting a measuring signal to the judging module;
the judging module is used for receiving the measuring signal and outputting a judging signal to the switch module when the volume of the resin in the material tank is smaller than the preset threshold value;
and the switch module is used for controlling the feeding and discharging pump to be electrified when the judging signal is received, so that the feeding and discharging pump can convey the resin from the material box to the trough.
6. The photocuring 3D printer of claim 5, wherein the measurement module comprises: a level sensor and a first resistor;
the liquid level sensor comprises a liquid level sensor, a power supply, a judgment module and a liquid level sensor, wherein a first pin of the liquid level sensor is connected with the power supply, a second pin of the liquid level sensor is connected with a first resistor, the other end of the first resistor is connected with the first pin of the liquid level sensor, the second pin of the liquid level sensor is further connected with the judgment module, and a third pin of the liquid level sensor is grounded.
7. The photocuring 3D printer of claim 6, wherein the determination module comprises: the circuit comprises a comparator, a second resistor, a third resistor and a fourth resistor;
the liquid level sensor is characterized in that a first pin of the comparator is connected with a second pin of the liquid level sensor, the second pin of the comparator is connected with the second resistor, the other end of the second resistor is connected with the third resistor and the fourth resistor respectively, the other end of the third resistor is connected with the power supply, the other end of the fourth resistor is grounded, and the output end of the comparator is connected with the switch module.
8. The photocuring 3D printer of claim 7, wherein the switch module comprises: the NPN triode, the fifth resistor and the relay;
the base electrode of the NPN triode is connected with the third pin of the comparator, the emitting electrode of the NPN triode is connected with the fifth resistor, the other end of the fifth resistor is grounded, the collecting electrode of the NPN triode is connected with the coil of the relay, the other end of the coil of the relay is connected with the power supply, the relay comprises a normally open contact switch, one end of the normally open contact switch is connected with the power supply, the other end of the normally open contact switch is connected with the feeding and discharging pump, and the other end of the feeding and discharging pump is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132768.7U CN218227876U (en) | 2022-08-12 | 2022-08-12 | Photocuring 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132768.7U CN218227876U (en) | 2022-08-12 | 2022-08-12 | Photocuring 3D printer |
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| CN218227876U true CN218227876U (en) | 2023-01-06 |
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