CN115195117B - Leveling control method of 3D printer, 3D printer and storage medium - Google Patents
Leveling control method of 3D printer, 3D printer and storage medium Download PDFInfo
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- CN115195117B CN115195117B CN202210646629.8A CN202210646629A CN115195117B CN 115195117 B CN115195117 B CN 115195117B CN 202210646629 A CN202210646629 A CN 202210646629A CN 115195117 B CN115195117 B CN 115195117B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000007639 printing Methods 0.000 claims abstract description 254
- 238000003909 pattern recognition Methods 0.000 claims description 4
- 238000000016 photochemical curing Methods 0.000 description 11
- 230000032683 aging Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 238000010146 3D printing Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/245—Platforms or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Ceramic Engineering (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
Abstract
The embodiment of the application discloses a leveling control method of a 3D printer, the 3D printer and a storage medium, which are simple and convenient to operate, and avoid the time-consuming leveling operation before each printing, thereby reducing the leveling times and time and improving the printing efficiency. The application comprises the following steps: acquiring a first characteristic identifier of a target printing platform; acquiring at least one stored set of leveling data, wherein the leveling data comprises a second characteristic identifier of the printing platform; judging whether the first characteristic identifier is consistent with the second characteristic identifier, and if so, executing a first leveling operation.
Description
Technical Field
The embodiment of the application relates to the technical field of 3D printing, in particular to a leveling control method of a 3D printer, the 3D printer and a storage medium.
Background
The 3D printing belongs to the rapid prototyping technology, and is based on a digital model, and the whole three-dimensional object is printed layer by utilizing materials such as metal powder, ceramic powder, plastic or liquid photosensitive resin. The 3D printing process is to design a 3D model through computer 3D modeling software, slice the three-dimensional model into a layer-by-layer section, obtain a processing path according to analysis section information, guide a 3D printer to print layer-by-layer, and finally form a three-dimensional object through layer-by-layer lamination.
The 3D printing technology is applied to photo-curing 3D printing, along with the progress of photo-curing 3D printing technology and the rapid development of photo-curing 3D printing industry, photo-curing 3D printers are also in the public view, more and more new users want body optometry curing 3D printers, the photo-curing 3D printer is a 3D printer formed by photo-curing resin, and if leveling work is not performed in place, the platform is uneven, the bottom is most likely to be incapable of being formed, and printing fails. Therefore, before printing, in order to ensure the printing effect of the printer, leveling work needs to be performed first.
However, leveling is needed before each printing, so that unnecessary time is wasted, printing efficiency is low, and the problems of inconvenience in operation, difficulty in leveling and the like are also caused for new users.
Disclosure of Invention
The leveling control method for the 3D printer, the 3D printer and the storage medium are simple and convenient to operate, and the time-consuming leveling operation before each printing is avoided, so that the leveling times and time are reduced, and the printing efficiency is improved.
An embodiment of the present application provides a leveling control method for a 3D printer, including:
acquiring a first characteristic identifier of a target printing platform;
acquiring at least one stored set of leveling data, wherein the leveling data comprises a second characteristic identifier of the target printing platform;
judging whether the first characteristic identifier is consistent with the second characteristic identifier, and if so, executing a first leveling operation.
Optionally, the first leveling operation includes:
judging whether the target printing platform is aged or not, if so, sending out a prompt or carrying out automatic leveling and recording corresponding leveling data.
Optionally, the leveling data further includes a leveling parameter corresponding to the second feature identifier, and the first leveling operation includes: and leveling the target printing platform according to the leveling parameters corresponding to the second characteristic identifiers.
Optionally, the determining whether the target print platform is aged includes at least one of:
judging whether the printing time of the target printing platform exceeds a preset time;
judging whether the printing times of the target printing platform exceed preset times or not;
judging whether the number of printing layers of the target printing platform exceeds a preset number of layers or not;
and judging whether the printing volume of the target printing platform exceeds a preset volume.
Optionally, the determining whether the first feature identifier and the second feature identifier are consistent includes:
acquiring a second characteristic identifier from the stored set of leveling data;
and judging whether the first characteristic identifier is consistent with the second characteristic identifier.
Optionally, the determining whether the first feature identifier and the second feature identifier are consistent further includes:
and if the first characteristic identifier is inconsistent with the second characteristic identifier, judging whether the first characteristic identifier is consistent with the second characteristic identifier in the stored at least one group of residual leveling data.
Optionally, the first feature identifier includes one or more of a serial number, a printer attribute parameter, and an identification code; the second characteristic identifier comprises one or more of a serial number, a printer attribute parameter and an identification code;
the obtaining the first feature identifier of the target printing platform includes:
collecting image data of the target printing platform and carrying out image recognition to obtain a first characteristic identifier; or,
acquiring an identification code associated with the target printing platform to acquire a first characteristic identifier, wherein the identification code comprises pattern identification information or a chip storing the identification information, and the pattern identification information is arranged on the surface or an associated area of the target printing platform; the chip with the identification information stored is arranged in the target printing platform or the associated area;
the step of judging whether the first feature identifier is consistent with the second feature identifier, and if so, executing the first leveling operation further comprises:
if the leveling parameters are inconsistent, initial leveling is carried out on the target printing platform, and leveling parameters after initial leveling are stored;
the leveling parameters include a height parameter.
A second aspect of the embodiments of the present application provides a leveling control device for a 3D printer, including:
the first acquisition unit is used for acquiring a first characteristic identifier of the target printing platform;
the first acquisition unit includes:
the first acquisition module is used for acquiring the image data of the target printing platform and carrying out image recognition to acquire a first characteristic identifier; or the identification code is used for acquiring an identification code associated with the target printing platform to acquire a first characteristic identification, the identification code comprises pattern identification information or a chip storing the identification information, and the pattern identification information is arranged on the surface or an associated area of the target printing platform; the chip with the identification information stored is arranged in the target printing platform or the associated area;
the second acquisition unit is used for acquiring at least one group of stored leveling data, and the leveling data comprises a second characteristic identifier of the target printing platform;
the judging unit is used for judging whether the first characteristic identifier and the second characteristic identifier are consistent, wherein the first characteristic identifier comprises one or more of a serial number, a printer attribute parameter and an identification code, and the second characteristic identifier comprises one or more of a serial number, a printer attribute parameter and an identification code;
optionally, the judging unit includes:
the acquisition module is used for acquiring a second characteristic identifier from the stored at least one group of leveling data;
the first judging module is used for judging whether the first characteristic identifier is consistent with the second characteristic identifier or not;
and the second judging module is used for judging whether the first characteristic identifier is consistent with a plurality of second characteristic identifiers in the stored at least one group of residual leveling data or not if the first characteristic identifier is inconsistent with the second characteristic identifier.
And the storage unit is used for carrying out initial leveling on the target printing platform if the leveling parameters are inconsistent, and storing the leveling parameters after the initial leveling, wherein the leveling parameters comprise height parameters.
The execution unit is used for executing the first leveling operation if the first leveling operation is consistent with the second leveling operation;
optionally, the execution unit includes:
the third judging module is used for judging whether the target printing platform is aged or not;
the execution module is used for sending out a prompt or leveling the target printing platform according to the leveling parameters corresponding to the second characteristic identifiers if the target printing platform is aged, and the leveling data also comprise the leveling parameters corresponding to the second characteristic identifiers;
optionally, the third judging module includes:
the first judging sub-module is used for judging whether the printing time of the target printing platform exceeds the preset time;
the second judging sub-module is used for judging whether the printing times of the target printing platform exceed preset times or not;
the third judging submodule is used for judging whether the number of printing layers of the target printing platform exceeds a preset number of layers or not;
and the fourth judging sub-module is used for judging whether the printing volume of the target printing platform exceeds a preset volume.
A third aspect of the embodiments provides a 3D printer comprising a processor and a memory, the memory storing computer executable program code, the processor being configured to execute the computer executable program code to implement the method of any one of the preceding aspects.
Optionally, the device further comprises a machine body, wherein the processor and the memory are arranged in the machine body;
the machine body is further provided with a camera, and the camera is directly or indirectly connected with the processor to acquire outline information or associated pattern recognition information of the target printing platform; or, the machine body is further provided with a chip reader, and the chip reader is directly or indirectly connected with the processor to read the identification information stored in the chip associated with the target printing platform.
Embodiments of the present application provide a storage medium having stored therein computer executable program code which when executed performs the method of any of the above-described first aspects.
The above technical solution can be seen that the embodiment of the application has the following advantages:
in the application, a leveling control method of a 3D printer is designed, a first characteristic identifier of a target printing platform is firstly obtained, then at least one group of stored leveling data is obtained, the leveling data comprises a second characteristic identifier of the printing platform, whether the first characteristic identifier is consistent with the second characteristic identifier is judged, and if so, a first leveling operation is executed. The method is simple and convenient to operate, leveling data comparison is carried out on the target printing platform before printing, whether leveling is needed is confirmed according to the comparison result, the time-consuming leveling operation before each printing is avoided, the leveling times and time are reduced, and the printing efficiency is improved.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of a leveling control method of a 3D printer according to an embodiment of the present application;
fig. 2 is a schematic flow chart of another embodiment of a leveling control method of a 3D printer according to the embodiments of the present application;
fig. 3 is a schematic flow chart of another embodiment of a leveling control method of a 3D printer according to the embodiment of the present application;
fig. 4 is a schematic flow chart of an embodiment of a leveling control device of a 3D printer according to the embodiment of the present application.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, where it is apparent that the illustrated embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are intended to be within the scope of the present disclosure.
The leveling control method for the 3D printer, the 3D printer and the storage medium are simple and convenient to operate, and the time-consuming leveling operation before each printing is avoided, so that the leveling times and time are reduced, and the printing efficiency is improved.
It should be noted that, the leveling control method of the 3D printer designed in the application is suitable for automatic leveling management of a single printing platform and multiple printing platforms of the photo-curing 3D printer, in this embodiment of the application, the same 3D printer can switch multiple printing platforms of different types, if rapid printing is required, an oxygen permeable membrane with smaller size needs to be tested, in order to match with the size of the oxygen permeable membrane, the size of the printing platform is smaller, and when conventional printing with larger printing size is required, the printer can switch to use a printing platform with larger size, including models such as SLA/DLP/LCD, etc., an execution subject of the printer can be a server, a device or a system, and the application is not limited, and the system is used as the execution subject.
The embodiment scheme of the application is mainly applied to the printer capable of switching different types of printing platforms. In the field of main application, the printer can also have an automatic leveling function, for example, the printer is provided with a sensor capable of detecting one or more parameters such as the height, the pressure and the like of different position points of the same printing platform, and the angle of a corresponding plane of the printing platform is adjusted through a transmission mechanism by the numerical value of the sensor, so that the parallelism between the corresponding plane and other components is consistent, namely, the corresponding planes are kept parallel to each other.
Referring to fig. 1, an embodiment of a leveling control method for a 3D printer of the present application includes:
101. acquiring a first characteristic identifier of a target printing platform;
it should be noted that, the target print platform of this application is the print platform of photocuring 3D printer, and photocuring 3D printer just is an utilize photocuring resin fashioned 3D printer to print platform is located the photocuring 3D printer of light source top and takes the example, and this kind of printer if leveling work does not get in place, can lead to the print platform place plane of printer and resin tank bottom plane nonparallel, very likely leads to the unable shaping in bottom of print platform, can seriously influence the precision of printing body, leads to printing failure. Therefore, before printing, in order to ensure the printing effect of the printer, leveling work needs to be performed first.
Specifically, the system locks the printer which needs to execute the printing work as a target printer, and then identifies the first characteristic identifier of the target printing platform of the target printer so as to determine the model or specification of the current printing platform. It is understood that any identifying parameter that can be used as a salient feature or a unique feature of the printing platform can be used as the first feature identifier. The target print platform may be identified by the first feature identification.
In this embodiment, the first feature identifier may be a sequence number, a color, and a specific graphic (such as a two-dimensional code) of the 3D printer, which is not limited in this application.
102. Acquiring at least one stored set of leveling data, wherein the leveling data comprises a second characteristic identifier of the target printing platform;
in this embodiment of the present application, in order to confirm whether the print platform of the target printer has been leveled before, in order to avoid repeated leveling, after the system confirms the first feature identifier of the target print platform, at least one set of leveling data stored in the memory is read first, where the leveling data includes the second feature identifier of the print platform.
It will be appreciated that the stored leveling data includes, but is not limited to, data of different printing platforms of a plurality of 3D printers, wherein the leveling data of the different printing platforms related to each 3D printer also includes, but is not limited to, a second characteristic identifier capable of identifying each printing platform and various parameters of the corresponding printing platform after leveling.
In this embodiment, the second feature identifier, similar to the first feature identifier described above, can function to identify different printing platforms. For example, the second feature identifier may be a serial number, a color, a specific graphic, etc. of different printing platforms of the 3D printer, which is not limited in the application.
103. Judging whether the first characteristic identifier is consistent with the second characteristic identifier, and if so, executing step 104;
it should be noted that, in the embodiment of the present application, in order to save server resources, the system does not need to call all the stored data at one time, and may call a set of leveling data first, compare the second feature identifier in the leveling data with the first feature identifier, and call the second set and the third set … … again if they are inconsistent until the second feature identifier consistent with the first feature identifier is found, and the target printing platform is already leveled before the description is performed, at this time, step 104 is executed.
104. A first leveling operation is performed.
It should be noted that, in this embodiment of the present application, after the leveling is performed before the system confirms the target print platform, for example, in order to confirm whether the leveling effect is still qualified, i.e. whether the aging degree is lower than the limit value, the system further needs to analyze the aging degree of the target print platform, if the aging degree is lower than the preset degree value, it is indicated that the current print platform still has a good printing effect, and the print platform can directly perform the printing work according to the last leveled print platform, or also can perform the height adjustment on each feature point by using the target print platform according to the historically stored leveling parameters of the target print platform, so as to confirm that the height of each feature point is located at the correct position, which is specifically shown in the embodiment of fig. 2, and this step is not described.
In the embodiment of the application, a leveling control method of a 3D printer is designed, a first characteristic identifier of a target printing platform is firstly obtained, then at least one group of stored leveling data is obtained, the leveling data comprises a second characteristic identifier of the printing platform, whether the first characteristic identifier is consistent with the second characteristic identifier is judged, and if so, a first leveling operation is executed. The method is simple and convenient to operate, leveling data comparison is carried out on the target printing platform before printing, whether leveling is needed is confirmed according to the comparison result, the time-consuming leveling operation before each printing is avoided, the leveling times and time are reduced, and the printing efficiency is improved.
The leveling control method of the 3D printer is roughly described above, and the leveling control method of the 3D printer will be described in detail below.
Referring to fig. 2, another embodiment of a leveling control method for a 3D printer in an embodiment of the present application includes:
201. acquiring image data of the target printing platform and performing image recognition to acquire a first characteristic identifier or acquiring an identification code associated with the target printing platform to acquire the first characteristic identifier;
the target print platform of this application design is light curing 3D printer, before printing, in order to ensure the printing effect of printer, need carry out leveling work earlier.
Specifically, the system locks a printer which needs to execute a printing job as a target printer, then scans an identification code on a target printing platform of the target printer through a camera or performs identification through NFC, acquires image data of the target printing platform, and performs image identification to acquire a first feature identifier or acquire an identification code associated with the target printing platform to acquire the first feature identifier, wherein the identification code comprises, but is not limited to, pattern identification information and a chip which stores the identification information, and the first feature identifier can be a sequence number, a color, a specific pattern and the like. For example, if the first feature identifier of the target printing platform is a specific color, the camera may scan a sticker, a picture, or the whole platform with the specific color on the target printing platform, and perform image recognition according to the image scanned by the camera, confirm the color value, and confirm the first feature identifier corresponding to the target printing platform according to the color value; for example, if the first feature identifier of the target printing platform is a chip storing identification information, the chip is attached to the target printing platform, the identification information stored in the chip is acquired through the NFC intelligent device, and the first feature identifier corresponding to the target printing platform is confirmed.
The pattern recognition information is set on the surface or the related area of the target printing platform, and the chip with the recognition information is built in the target printing platform or the related area.
It should be further noted that, the identification method may not only be that the camera scans the two-dimensional code or NFC identifies, but also may be other, and the specific application does not do limit.
202. Acquiring at least one group of stored leveling data, wherein the leveling data comprises a second characteristic identifier of a printing platform and leveling parameters corresponding to the second characteristic identifier;
in this embodiment of the present application, in order to confirm whether the print platform of the target printer has been leveled before, in order to avoid repeated leveling, after the system confirms the first feature identifier of the target print platform, at least one set of leveling data stored in the memory is read first, where the leveling data includes the second feature identifier of the print platform.
It should be noted that the first feature identifier may include one or more of a serial number, a printer attribute parameter, and an identification code; the second feature identifier may also include one or more of a serial number, a printer attribute parameter, and an identification code; the leveling data can also comprise one or more data of leveling time of the printing platform, printing times and leveling parameters of all characteristic points after the leveling of the printing platform is finished, wherein the leveling time refers to time recorded after the last leveling is finished, the printing times record all printing times in the time period from the last leveling to the last time, the characteristic points are position points for collecting current height data or three-dimensional coordinate information on the preset printing platform, and the characteristic points collected after the leveling of each printing platform can support 16 characteristic points at most. The system stores the serial number, the leveling time, the printing times, the leveling parameters acquired by the characteristic points after the printing platform is leveled, and the like, so as to prepare for next adjustment.
When the device is used, different characteristic points on the same printing platform can be located at different positions on the same printing platform, and by collecting height data or three-dimensional coordinate information of the different characteristic points, according to the principle that a plane can be determined according to multiple points, whether the parallelism between the corresponding plane and the planes of other components is consistent can be judged. The data are recorded after the leveling is successful, and the corresponding position points of the printing platform can be directly and quickly adjusted to the information corresponding to the characteristic points according to the information of different characteristic points in the subsequent process of processing the leveling of the printing platform, so that the subsequent leveling of the printing platform is facilitated.
203. Judging whether the first feature identifier is consistent with the second feature identifier, and if so, executing step 205; if not, executing step 204;
in this embodiment of the present application, regarding determining whether the first feature identifier and the second feature identifier are consistent, specifically, as shown in table 1:
TABLE 1
It should be noted that, the range of the platform serial numbers used in the application is between 1 and 255, and the stored leveling platform data has 255 groups at most, and 16 feature points are used at most.
In table 1, it is assumed that each time one platform is leveled, leveling parameters are stored in sequence from small to large, the leveling of the printing platform is followed by the leveling of the printing platform at the front of the first leveling row and the later time. For example, the first leveled platform is designated as number 1, and the latest leveled platform is designated as number n. A set of leveling data is stored for each serial number, including but not limited to leveling time of the printing platform, number of prints, and leveling parameters of the printing platform. The system stores and manages the leveling data of the multiple groups of leveling platforms in a classified mode in a table mode.
When printing is required, in order to confirm whether the target printing platform is a newly replaced platform, at this time, a latest group of leveling parameters stored in the database is required to be called for judgment, namely, a group of data of a serial number n is called, if the characteristic identifier (such as sn code) of the group of data of the serial number n is consistent with the first characteristic identifier of the target printing platform, the target printing platform is leveled before and is not detached all the time, initial leveling is not required, and step 205 is directly executed; if the two sets of data are inconsistent, the target printing platform may be a new platform, which is not leveled before, or may be leveled before, but is detached and replaced, and is replaced again now, at this time, in order to confirm which case, the system compares the first feature identifier of the target printing platform with the rest of the sets of data stored in the table according to the latest data stored in the table to the earliest data, namely, compares the first feature identifier with the feature identifier stored in the sequence number n-1, then compares the first feature identifier with the feature identifier stored in the sequence number n-2, and if any one of the rest of the sets is consistent with the first feature identifier, the target printing platform is leveled before, and at this time, the initial leveling is not needed, and step 205 can be directly executed; if all the comparison is completed, no consistency is found, the target printing platform is a new platform, and initial leveling is needed at this time, and step 204 is specifically executed.
It should be noted that the embodiment of the present application is merely an example, and the storage manner and the retrieving manner of the data in reality are not merely one of the foregoing.
It should be further noted that, a specific flowchart for determining whether the first feature identifier and the second feature identifier are consistent is shown in fig. 3.
In fig. 3, the process of determining whether the first feature identifier and the second feature identifier are consistent is as follows: firstly, second leveling data are obtained from the historically stored leveling data, corresponding second characteristic identifiers are confirmed according to the leveling data, the system firstly compares the second characteristic identifiers with the first characteristic identifiers to confirm whether the second characteristic identifiers are consistent with the first characteristic identifiers, if so, the target printing platform is identical with the current printing platform, the target printing platform is not detached and replaced, and step 309 can be directly executed; if the first feature identifier of the target printing platform is inconsistent with the second feature identifier of at least one group of leveling data remaining in the history storage, the target printing platform is indicated to be leveled, step 307 and step 308 are executed, namely leveling parameters of the second feature identifier consistent with the first feature identifier are read, each feature point of the target printing platform is quickly leveled according to height data, position points of three-dimensional coordinate information and the like recorded in the leveling parameters, and after leveling is completed, serial numbers of the target printing platform in a database are required to be updated, for example, the serial numbers of the target printing platform are added with 100 groups of data in total in the database, if the serial numbers of the target printing platform are 1, the serial numbers of the target printing platform are 1 in total, and the serial numbers of the target printing platform are updated to be 100 according to the ordering mode; if the leveling data of all groups are compared, and the second characteristic identifier consistent with the first characteristic identifier still does not exist, the target printing platform is a new printing platform which is not leveled, step 306 is executed at this time, namely the target printing platform is initially leveled, leveling parameters after the initial leveling are stored in a data table, and the serial number of the leveling parameters is marked as 100.
204. And carrying out initial leveling on the target printing platform, and storing leveling parameters after initial leveling, wherein the leveling parameters comprise height parameters.
In the embodiment of the application, if the system does not find the second characteristic identifier corresponding to the first characteristic identifier of the target printing platform stored in the memory, the system executes an initialization leveling function, performs initial leveling on the target printing piece, and records leveling parameter data after leveling is completed, wherein the leveling parameter data comprises but is not limited to current height data and position points of three-dimensional coordinate information.
It should be noted that, after leveling is completed, the system records the leveling parameters, so as to avoid time-consuming leveling operation before each printing, and at the same time, in order to realize aging management, the current time node is recorded, and the printing times are recorded when each printing is performed, so that when the target printing time or the target printing times exceed the limit value, the system can perform leveling again, and the printing effect is maintained.
Specifically, after leveling is completed, the system acquires current leveling data and stores the current leveling data in a memory, wherein the leveling data comprises, but is not limited to, a characteristic identifier of the printing platform, printing times of the printing platform, leveling time, height parameters acquired by all characteristic points after the printing platform is leveled, and the like, so that the leveling is not required to be repeated when the printing platform is leveled next time, and the adjusted data can be directly used.
Regarding initial leveling of the printing platform, it should be noted that in some embodiments, the 3D printer has an automatic leveling function, and through the above-mentioned sensor, the direction of the plane where the printing platform is located is continuously adjusted to make the plane parallel to the corresponding component, so as to perform initial leveling on the printing platform, so as to form initial leveling data.
For example, in some 3D printers with auto leveling function, the bottom surface of the printing platform is rectangular, and height sensors, such as infrared sensors or distance detection sensors, corresponding to four corners of the rectangular printing platform are distributed on the bottom surface of the resin tank attached to the printing platform. Nowadays it is necessary to level the rectangular bottom surface of the printing platform so that it is parallel to the plane of the bottom of the resin tank. The height detection is carried out through the sensor, the direction of the rectangular bottom surface is continuously adjusted through the corresponding transmission mechanism, namely the direction of the rectangular bottom surface is continuously adjusted, so that the heights detected by the height sensors at four corners are basically the same, the rectangular bottom surface is kept parallel to the bottom plane of the resin tank, and finally the printing platform is locked through the locking mechanism, so that the rectangular bottom surface of the printing platform is kept parallel to the bottom plane of the resin tank in a period of time. So far, initial leveling data are formed, the system correspondingly collects current leveling data, such as characteristic identification of the printing platform, printing times of the printing platform, leveling time, height parameters collected by a plurality of characteristic points after the printing platform is leveled and the like, and the current leveling data are stored in a memory to complete data recording. In some embodiments, the initial leveling of each printing platform may be performed in a similar manner as described above, but the machine is unaware of the final detection value of each sensor when the leveling is successful and the final detection value of each sensor is different and slower than the leveling performed by knowing the final detection value due to factors such as whether the plane of the printing platform is level or not and errors in the sensors. The corresponding final leveling data is known only after initial leveling to form leveling data in the memory.
205. Judging whether the target printing platform is aged or not, if so, executing step 207;
it should be noted that, after the leveling is performed before the system confirms the target printing platform, in order to ensure whether the leveling effect is still qualified, that is, whether the aging degree is lower than the limit value, the system may first acquire one or more parameters in the leveling data of the target printing platform to perform the analysis of the aging degree, specifically, the printing time limit value, the printing number limit value and the printing volume limit value may be set correspondingly in advance, and by judging whether the printing time of the target printing platform exceeds the preset time, or judging whether the printing number of times of the target printing platform exceeds the preset number of times, or judging whether the printing volume of the target printing platform exceeds the preset volume, if one of the above judgments exceeds the preset value, the target printing platform is confirmed to be aged.
In the embodiment of the application, if the aging degree is confirmed to be lower than the preset degree value, the current printing effect is good, and the printing work can be directly carried out according to the printing platform which is leveled last time.
206. And sending out a prompt or carrying out automatic leveling and recording corresponding leveling data.
It should be noted that, in this embodiment of the present application, if it is confirmed that the aging degree is greater than or equal to the preset degree value, a reminder may be sent to remind a worker to level the target printing platform, or level automatically, specifically, the height of each feature point of the target printing platform may be adjusted according to the leveling parameter corresponding to the second feature identifier of the target printing platform stored in the history, and initial leveling may also be performed, where the specific initial leveling method is consistent with step 204 in the embodiment of fig. 2, and this step is not repeated.
It should be noted that, in the embodiment of the present application, in order to implement ageing management, after leveling, the system immediately records the current time node, and also records the number of printing times during each printing, so that when the target printing time or the target printing times exceed the limit value, the system re-levels, and the printing effect is maintained.
Specifically, after leveling is completed, the system acquires current leveling data and stores the current leveling data into a memory, wherein the leveling data comprises: the characteristic identification of the printing platform, the printing times of the printing platform, the printing time, the height data acquired by each characteristic point after the leveling of the printing platform and the like are adopted, so that the leveling is not required to be repeated when the printing platform is printed next time, and the adjusted data can be directly used.
It should be further noted that, in the embodiment of the present application, since the memory stores the data after the last leveling, after the system is re-leveled, the new leveling data is updated to replace the data of the last leveling, or the data of the last successful leveling is directly used, so as to help the rapid leveling of the printing platform.
The leveling control method of the 3D printer is described above, and a leveling control apparatus of the 3D printer will be described below.
Referring to fig. 4, an embodiment of a leveling control device for a 3D printer in an embodiment of the present application includes:
a first obtaining unit 401, configured to obtain a first feature identifier of a target print platform;
the first acquisition unit 401 includes:
the first acquisition module 4011 is configured to acquire image data of the target printing platform and perform image recognition to acquire a first feature identifier; or the identification code is used for acquiring an identification code associated with the target printing platform to acquire a first characteristic identification, the identification code comprises pattern identification information or a chip storing the identification information, and the pattern identification information is arranged on the surface or an associated area of the target printing platform; the chip with the identification information stored is arranged in the target printing platform or the associated area;
a second obtaining unit 402, configured to obtain at least one stored set of leveling data, where the leveling data includes a second feature identifier of the target printing platform;
a judging unit 403, configured to judge whether the first feature identifier and the second feature identifier are consistent, where the first feature identifier includes one or more of a serial number, a printer attribute parameter, and an identification code, and the second feature identifier includes one or more of a serial number, a printer attribute parameter, and an identification code;
optionally, the judging unit 403 includes:
an acquisition module 4031 for acquiring a second characteristic identifier from the stored at least one set of leveling data;
a first judging module 4032, configured to judge whether the first feature identifier is consistent with the second feature identifier;
and a second judging module 4033, configured to judge whether the first feature identifier is consistent with the second feature identifier in the at least one stored set of leveling data, if the first feature identifier is inconsistent with the second feature identifier.
And the storage unit 404 is configured to perform initial leveling on the target printing platform if the leveling parameters are inconsistent, and store the leveling parameters after initial leveling, where the leveling parameters include a height parameter.
An execution unit 405, configured to execute a first leveling operation if the first leveling operation is consistent;
optionally, the execution unit 405 includes:
a third judging module 4051, configured to judge whether the target printing platform is aged;
and the execution module 4052 is configured to send out a reminder or level the target printing platform according to the leveling parameter corresponding to the second feature identifier if the target printing platform is aged, where the leveling data further includes the leveling parameter corresponding to the second feature identifier.
Optionally, the third judging module 4051 includes:
a first judging submodule 40511, configured to judge whether the printing time of the target printing platform exceeds a preset time;
a second judging submodule 40512, configured to judge whether the number of printing times of the target printing platform exceeds a preset number of times;
a third judging submodule 40513, configured to judge whether the number of printing layers of the target printing platform exceeds a preset number of layers;
a fourth judging submodule 40514 is used for judging whether the printing volume of the target printing platform exceeds a preset volume.
In this embodiment, a leveling control device for a 3D printer is designed, first, a first feature identifier of a target print platform is acquired through a first acquiring unit 401, then, at least one set of stored leveling data is acquired through a second acquiring unit 402, the leveling data includes a second feature identifier of the print platform, whether the first feature identifier is consistent with the second feature identifier is judged through a judging unit 403, and if so, a first leveling operation is performed through an executing unit 405. The device is easy and simple to handle, before printing, carries out leveling data contrast to the target print platform earlier, confirms whether need leveling according to the comparison result, has avoided all having spent time processing leveling operation before every turn printing to reduce leveling number of times and time, improved printing efficiency.
In this embodiment, the functions of each unit module correspond to the steps in the embodiments shown in fig. 1 to 3, and are not described herein.
Embodiments of the present application provide a 3D printer comprising a processor and a memory, the memory storing computer executable program code, the processor configured to execute the computer executable program code to implement the method of any one of fig. 1 and 2.
Optionally, the 3D printer further includes a body, and the processor and the memory are disposed in the body;
the machine body is further provided with a camera, and the camera is directly or indirectly connected with the processor to acquire outline information or associated pattern recognition information of the target printing platform; or, the machine body is further provided with a chip reader, and the chip reader is directly or indirectly connected with the processor to read the identification information stored in the chip associated with the target printing platform.
Embodiments of the present application provide a storage medium having stored therein computer executable program code which when executed performs the method of any of the above-described fig. 1 and 2.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or all or part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM, random access memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Claims (7)
1. The leveling control method for the 3D printer is characterized by comprising the following steps of:
acquiring a first characteristic identifier of a target printing platform, wherein the first characteristic identifier is an identifier with a significant characteristic or a unique characteristic of the target printing platform;
acquiring at least one group of stored leveling data, wherein the leveling data comprises a second characteristic identifier of the target printing platform, and the second characteristic identifier is an identifier with a remarkable characteristic or a unique characteristic of the target printing platform;
judging whether the first characteristic identifier is consistent with the second characteristic identifier, and if so, executing a first leveling operation;
the first leveling operation includes:
judging whether the target printing platform is aged or not, if so, sending out a prompt or carrying out automatic leveling and recording corresponding leveling data;
the determining whether the target print platform is aged includes at least one of:
judging whether the printing time of the target printing platform exceeds a preset time;
judging whether the printing times of the target printing platform exceed preset times or not;
judging whether the number of printing layers of the target printing platform exceeds a preset number of layers or not;
and judging whether the printing volume of the target printing platform exceeds a preset volume.
2. The method of claim 1, wherein the leveling data further comprises a leveling parameter corresponding to the second characteristic identification, the first leveling operation comprising: and leveling the target printing platform according to the leveling parameters corresponding to the second characteristic identifiers.
3. The method of claim 1, wherein said determining whether the first signature and the second signature are consistent further comprises:
and if the first characteristic identifier is inconsistent with the second characteristic identifier, judging whether the first characteristic identifier is consistent with the second characteristic identifier in the stored at least one group of residual leveling data.
4. The method of claim 1, wherein the first characteristic identification comprises one or more of a serial number, a printer attribute parameter, an identification code; the second characteristic identifier comprises one or more of a serial number, a printer attribute parameter and an identification code;
the obtaining the first feature identifier of the target printing platform includes:
collecting image data of the target printing platform and carrying out image recognition to obtain a first characteristic identifier; or,
acquiring an identification code associated with the target printing platform to acquire a first characteristic identifier, wherein the identification code comprises pattern identification information or a chip storing the identification information, and the pattern identification information is arranged on the surface or an associated area of the target printing platform; the chip with the identification information stored is arranged in the target printing platform or the associated area;
the step of judging whether the first feature identifier is consistent with the second feature identifier, and if so, executing the first leveling operation further comprises:
if the leveling parameters are inconsistent, initial leveling is carried out on the target printing platform, and leveling parameters after initial leveling are stored;
the leveling parameters include a height parameter.
5. A 3D printer comprising a processor and a memory, the memory storing computer executable program code, the processor to execute the computer executable program code to implement the method of any one of claims 1 to 4.
6. The 3D printer of claim 5, further comprising a body, the processor and memory disposed within the body;
the machine body is further provided with a camera, and the camera is directly or indirectly connected with the processor to acquire outline information or associated pattern recognition information of the target printing platform; or, the machine body is further provided with a chip reader, and the chip reader is directly or indirectly connected with the processor to read the identification information stored in the chip associated with the target printing platform.
7. A storage medium having stored therein computer executable program code which when executed performs the method of any of claims 1-4.
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| 面向熔融沉积成型的3D打印机故障声发射监控方法;吴海曦;余忠华;张浩;杨振生;WANG Yan;;浙江大学学报(工学版)(第01期);第78页-84页 * |
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