CN118927628B - A 3DP equipment processing monitoring system and method - Google Patents
A 3DP equipment processing monitoring system and method Download PDFInfo
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- CN118927628B CN118927628B CN202410982264.5A CN202410982264A CN118927628B CN 118927628 B CN118927628 B CN 118927628B CN 202410982264 A CN202410982264 A CN 202410982264A CN 118927628 B CN118927628 B CN 118927628B
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- 238000012545 processing Methods 0.000 title claims abstract description 135
- 238000000034 method Methods 0.000 title claims abstract description 107
- 238000012544 monitoring process Methods 0.000 title claims abstract description 74
- 238000007639 printing Methods 0.000 claims abstract description 100
- 230000008569 process Effects 0.000 claims abstract description 73
- 238000003672 processing method Methods 0.000 claims abstract description 48
- 239000000843 powder Substances 0.000 claims abstract description 44
- 238000003892 spreading Methods 0.000 claims abstract description 36
- 230000007480 spreading Effects 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000000465 moulding Methods 0.000 claims abstract description 28
- 230000002159 abnormal effect Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 8
- 238000010146 3D printing Methods 0.000 description 34
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012876 topography 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
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4065—Monitoring tool breakage, life or condition
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Abstract
本发明公开了一种3DP设备加工过程监控系统，包括：图像检测模块设置在成型平台上方，用于采集打印产品的图像数据；第一监测模块设置在打印机构上，用于在打印机构完成当前层打印时，采集成型表面的第一状态数据；第二监测模块设置在铺粉装置上，用于在铺粉装置工作过程中采集成型表面的第二状态数据；工艺数据库用于存储打印参数和处理方法；以及，控制模块分别与图像检测模块、第一监测模块、第二监测模块和工艺数据库连接，用于接收图像数据、第一状态数据和第二状态数据，并分别与打印参数对比，在数据异常时基于处理方法进行相应的处理。实现了对3DP设备中的成型表面进行实时监测，及时发现并修正缺陷。
The present invention discloses a 3DP equipment processing monitoring system, including: an image detection module is arranged above a molding platform, for collecting image data of printed products; a first monitoring module is arranged on a printing mechanism, for collecting first state data of a molding surface when the printing mechanism completes printing of a current layer; a second monitoring module is arranged on a powder spreading device, for collecting second state data of a molding surface during the working process of the powder spreading device; a process database is used to store printing parameters and processing methods; and a control module is respectively connected to the image detection module, the first monitoring module, the second monitoring module and the process database, for receiving image data, first state data and second state data, and respectively comparing them with printing parameters, and performing corresponding processing based on the processing method when the data is abnormal. The molding surface in the 3DP equipment is monitored in real time, and defects are discovered and corrected in time.
Description
Technical Field
The invention relates to the technical field of equipment monitoring, in particular to a system and a method for monitoring a processing process of 3DP equipment.
Background
Currently, 3DP (Three-Dimensional Printing ) technology, particularly adhesive injection molding (Binder Jetting) technology, presents great potential in the manufacturing industry as an important additive manufacturing technology.
However, due to the complexity of the inkjet system and the diversity of molding materials, the 3DP process often faces many challenges in practical applications, such as inaccurate inkjet amount, low molding surface accuracy, and unstable workpiece quality. At present, the 3DP equipment processing process does not have a process real-time control function and also does not have a defect monitoring and repairing function in the production process.
Therefore, how to monitor the molding surface in the 3DP device and discover and correct defects in time is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a system and a method for monitoring the processing process of 3DP equipment, which can timely find and correct defects and adjust processing parameters in real time by monitoring an ink-jet system and a forming surface in the 3DP equipment in real time and comparing and analyzing the ink-jet system and the forming surface with a process database, thereby improving the quality and the yield of a 3DP adhesive injection-molded workpiece.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A3 DP equipment processing process monitoring system is applied to monitoring 3DP equipment, wherein the 3DP equipment comprises a printing mechanism, a powder spreading device and a forming platform, and comprises an image detection module, a first monitoring module, a second monitoring module, a process database and a control module;
the image detection module is arranged above the forming platform and is used for collecting image data of a printed product;
The first monitoring module is arranged on the printing mechanism and is used for collecting first state data of the molding surface when the printing mechanism finishes printing of the current layer;
the second monitoring module is arranged on the powder spreading device and is used for collecting second state data of the molding surface in the working process of the powder spreading device;
the process database is used for storing printing parameters and processing methods;
The control module is respectively connected with the image detection module, the first monitoring module, the second monitoring module and the process database, and is used for receiving the image data, the first state data and the second state data, respectively comparing the image data, the first state data and the second state data with the printing parameters, and carrying out corresponding processing based on the processing method when the data is abnormal.
Preferably, the control module comprises an inkjet control processing unit, a printing control processing unit and a powder spreading control processing unit;
The ink-jet control processing unit is used for receiving the image data, comparing the image data with the printing parameters, generating a first adjustment parameter based on the processing method when the first comparison deviation is smaller than a first threshold value, and sending the first adjustment parameter to the ink-jet control system for corresponding processing.
Preferably, the print control processing unit is configured to receive the first status data, compare the first status data with the print parameters, generate a second adjustment parameter based on the processing method when a second comparison deviation is less than or equal to a second threshold, send the second adjustment parameter to a printing mechanism for corresponding processing, send a first pause signal to pause processing and send first prompt information when the second comparison deviation is greater than the second threshold, send a first termination signal to terminate processing and send first early warning information when the second comparison deviation is greater than a third threshold.
Preferably, the powder spreading control processing unit is configured to receive the second status data, compare the second status data with the printing parameter, generate a third adjustment parameter based on the processing method and send the third adjustment parameter to the powder spreading device for corresponding processing when a third comparison deviation is smaller than or equal to a fourth threshold, send a second prompt message when the third comparison deviation is larger than the fourth threshold, send a second pause signal to pause processing when the third comparison deviation is not larger than the fifth threshold, send a second stop signal to stop processing when the third comparison deviation is larger than the fifth threshold, and send second early warning information.
Preferably, the process database also stores a data processing algorithm;
the control module also comprises a personalized setting module;
The personalized setting module is used for executing the processing process of different ink jet parameters of each layer based on the data processing algorithm according to the workpiece layer file or the user setting.
In a second aspect, the present invention provides a method for monitoring a processing procedure of a 3DP device, including:
Collecting image data of a printed product;
When the printing mechanism finishes printing the current layer, collecting first state data of the molding surface;
collecting second state data of the molding surface in the working process of the powder spreading device;
acquiring printing parameters and a processing method;
and comparing the image data, the first state data and the second state data with the printing parameters respectively, and performing corresponding processing based on the processing method when the data is abnormal.
Preferably, when the data is abnormal, corresponding processing is performed based on the processing method, which specifically includes:
Receiving the image data, and comparing the image data with the printing parameters to obtain a first comparison deviation;
and when the first comparison deviation is smaller than a first threshold value, generating a first adjustment parameter based on the processing method, and sending the first adjustment parameter to an ink jet control system for corresponding processing.
Preferably, when the data is abnormal, corresponding processing is performed based on the processing method, and the method further comprises the following steps:
Receiving the first state data, and comparing the first state data with the printing parameters to obtain a second comparison deviation;
when the second contrast deviation is smaller than or equal to a second threshold value, generating a second adjustment parameter based on the processing method, and sending the second adjustment parameter to a printing mechanism for corresponding processing;
When the second comparison deviation is larger than a second threshold value, a first pause signal is sent to pause processing, and a first prompt message is sent;
And when the second comparison deviation is larger than a third threshold value, sending a first termination signal to terminate processing and sending first early warning information.
Preferably, when the data is abnormal, corresponding processing is performed based on the processing method, and the method further comprises the following steps:
Receiving the second state data, and comparing the second state data with the printing parameters to obtain a third comparison deviation;
When the third comparison deviation is smaller than or equal to a fourth threshold value, generating a third adjustment parameter based on the processing method, and sending the third adjustment parameter to a powder spreading device for corresponding processing;
When the third comparison deviation is larger than a fourth threshold value, a second prompt message is sent, a second pause signal is sent when the third comparison deviation is not responded within a preset time, and processing is paused;
And when the third comparison deviation is larger than a fifth threshold value, sending a second termination signal to terminate processing and sending second early warning information.
In a third aspect, the present invention provides a computer device comprising a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory communicate with each other via the communication bus;
A memory for storing a computer program;
a processor, when executing a program stored in the memory, is capable of implementing a 3DP device processing monitoring method as described in the second aspect.
Compared with the prior art, the invention discloses a system and a method for monitoring the processing process of 3DP equipment, which can timely find and correct defects and adjust processing parameters in real time by carrying out real-time monitoring on an ink-jet system and a forming surface in the 3DP equipment and comparing and analyzing with a process database, thereby improving the quality and the yield of a 3DP adhesive injection-formed workpiece, carrying out real-time process adjustment, quality monitoring and flaw repair in the workpiece forming process, improving the quality and the performance of the workpiece, saving the production time and the production cost, improving the production efficiency, solving the problems of large error, low efficiency and the like in the traditional method, and providing powerful support for the wide application of the 3DP technology.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a 3DP device processing monitoring system according to the present invention.
Fig. 2 is a schematic structural diagram of a control module provided by the present invention.
Fig. 3 is a flowchart of a method for monitoring a processing procedure of a 3DP device according to the present invention.
Fig. 4 is a block diagram of a computer device according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, the embodiment of the invention discloses a 3DP device processing monitoring system, which is applied to monitor 3DP devices, wherein the 3DP device comprises a printing mechanism, a powder spreading device and a forming platform, and comprises an image detection module, a first monitoring module, a second monitoring module, a process database and a control module;
The image detection module is arranged above the forming platform and is used for collecting image data of the printed product;
The first monitoring module is arranged on the printing mechanism and is used for collecting first state data of the molding surface when the printing mechanism finishes printing the current layer;
the second monitoring module is arranged on the powder spreading device and is used for collecting second state data of the molding surface in the working process of the powder spreading device;
The process database is used for storing printing parameters and processing methods;
The control module is respectively connected with the image detection module, the first monitoring module, the second monitoring module and the process database, and is used for receiving the image data, the first state data and the second state data, comparing the image data, the first state data and the second state data with printing parameters respectively, and carrying out corresponding processing based on a processing method when the data are abnormal.
Example 2
The embodiment of the invention discloses a 3DP equipment processing process monitoring system, which is applied to monitoring 3DP equipment, wherein the 3DP equipment comprises a printing mechanism, a powder spreading device and a forming platform, and comprises an image detection module, a first monitoring module, a second monitoring module, a process database and a control module;
the image detection module is arranged above the forming platform and is used for collecting image data of the printed product.
Preferably, the image detection module is used for monitoring and collecting image data of the printed product, wherein the image data at least comprises the whole appearance, the size and other key characteristic parameters of the product.
The first monitoring module is arranged on the printing mechanism and used for collecting first state data of the molding surface when the printing mechanism finishes printing the current layer.
Preferably, in this embodiment, the first monitoring module scans the molding surface with a high-resolution camera or a laser scanner to obtain three-dimensional shape data of the surface as the first state data.
Preferably, the first monitoring module collects corresponding first state data when printing of the current layer is finished, quality monitoring is carried out, printing quality and effect of each layer in the printing process can be monitored in real time, influence on the next layer caused by deviation of the current layer is avoided, and further the quality of the whole product is influenced by accumulation of the deviation layer by layer.
The second monitoring module is arranged on the powder spreading device and is used for collecting second state data of the molding surface in the working process of the powder spreading device.
Preferably, in this embodiment, the second monitoring module scans the molding surface by using a high-resolution camera or a laser scanner in the working process of the powder paving device, so as to obtain three-dimensional shape data of the surface, and the three-dimensional shape data is used as second state data, so that the molding surface of the current layer of the product in the working process of the powder paving device can be monitored in real time, abnormal deviation of parameters in the powder paving process is avoided, and the quality of the printed product is further ensured.
Preferably, the image detection module, the first monitoring module and the second monitoring module do not interfere with each other.
And the process database is used for storing printing parameters and processing methods.
Preferably, a unified process database is established for the great difference of the 3DP process in terms of materials, applicable models, process parameters, performance requirements and the like, and covers the printing parameters, test results, equipment, processes, models, materials, processing methods, data processing algorithms and other information of various 3D printing processes, so that abundant data support is provided for process optimization.
The control module is respectively connected with the image detection module, the first monitoring module, the second monitoring module and the process database, and is used for receiving the image data, the first state data and the second state data, comparing the image data, the first state data and the second state data with printing parameters respectively, and carrying out corresponding processing based on a processing method when the data are abnormal.
Preferably, the control module is connected with the image detection module, the first monitoring module, the second monitoring module and the process database in a wired or wireless mode respectively, can receive various data in real time and perform corresponding processing, is compared with printing parameters in the process database, can monitor the printing quality of products in each link in the printing process of the products in real time, and timely processes the data when the data are abnormal, so that accumulated errors are avoided, and the subsequent steps are affected.
Preferably, as shown in FIG. 2, the control module comprises an inkjet control processing unit, a printing control processing unit and a powder spreading control processing unit;
And the ink-jet control processing unit is used for receiving the image data, comparing the image data with the printing parameters, generating a first adjustment parameter based on a processing method when the first comparison deviation is smaller than a first threshold value, and sending the first adjustment parameter to the ink-jet control system for corresponding processing.
Preferably, the inkjet control processing unit receives the image data for preprocessing, compares the image data with the printing parameters, timely finds defects such as uneven surfaces, pits or deviation of the adhesive injection quantity of the printed product, generates a first adjustment parameter based on the defects and a corresponding processing method, and sends the first adjustment parameter to the inkjet control system for corresponding processing.
Preferably, the inkjet control system performs a corresponding process including inkjet compensation or print product surface correction.
Preferably, the printing control processing unit is used for receiving the first state data, comparing the first state data with the printing parameters to obtain a second comparison deviation, generating a second adjustment parameter based on a processing method and sending the second adjustment parameter to the printing mechanism for corresponding processing when the second comparison deviation is smaller than or equal to a second threshold value, sending a first pause signal to pause processing and sending first prompt information when the second comparison deviation is larger than the second threshold value, sending a first termination signal to terminate processing when the second comparison deviation is larger than a third threshold value, and sending first early warning information.
Preferably, the printing control processing unit judges based on the second contrast deviation, when the second contrast deviation is smaller than or equal to a second threshold value, the printing control processing unit judges that the printing mechanism can be repaired, timely controls the printing mechanism to carry out compensation processing, when the second contrast deviation is larger than the second threshold value, judges that the printing mechanism cannot be repaired, automatically controls to pause processing and prompts related personnel to carry out processing, when the second contrast deviation is larger than a third threshold value, judges that the processing cannot be continued, automatically controls to stop processing, and sends warning information to warn the related personnel.
Preferably, the powder spreading control processing unit is used for receiving the second state data, comparing the second state data with the printing parameters to obtain a third comparison deviation, generating a third adjustment parameter based on a processing method and sending the third adjustment parameter to the powder spreading device for corresponding processing when the third comparison deviation is smaller than or equal to a fourth threshold value, sending second prompt information when the third comparison deviation is larger than the fourth threshold value, sending a second pause signal to pause processing when the third comparison deviation is not responded within a preset time, sending a second termination signal to terminate processing when the third comparison deviation is larger than a fifth threshold value, and sending second early warning information.
Preferably, the powder spreading control processing unit judges based on the third comparison deviation, when the third comparison deviation is smaller than or equal to a fourth threshold value, the powder spreading device is controlled to execute correction compensation processing in time, when the third comparison deviation is larger than the fourth threshold value, the powder spreading device is judged to be unrepairable, relevant personnel are prompted to process, if the powder spreading control processing unit does not respond within a preset time, the powder spreading control processing unit automatically controls to pause processing, when the third comparison deviation is larger than a fifth threshold value, the powder spreading device is judged to be incapable of continuing processing, the powder spreading device automatically controls to terminate processing, and warning information is sent to warn relevant personnel.
Preferably, the process database also stores a data processing algorithm;
the control module also comprises a personalized setting module;
The personalized setting module is used for executing the processing process of different inkjet parameters of each layer based on a data processing algorithm according to the workpiece layer file or user setting, and can self-define and adjust the inkjet parameters of each layer of the printed product according to actual conditions, so that the use convenience of the system is improved, and the customer experience is further improved.
Example 3
As shown in fig. 3, a method for monitoring a processing procedure of a 3DP device includes:
Collecting image data of a printed product;
When the printing mechanism finishes printing the current layer, collecting first state data of the molding surface;
collecting second state data of the molding surface in the working process of the powder spreading device;
acquiring printing parameters and a processing method;
Based on the image data, the first state data and the second state data, respectively compared with the printing parameters, corresponding processing is performed based on the processing method when the data is abnormal.
Example 4
A3 DP equipment processing monitoring method comprises the following steps:
collecting image data of a printed product:
Preferably, image data of the printed product is collected, wherein the image data at least comprises the whole appearance, the size and other key characteristic parameters of the product
When the printing mechanism finishes printing the current layer, collecting first state data of the molding surface:
Preferably, in this embodiment, a high-resolution camera or a laser scanner is used to scan the molding surface to obtain three-dimensional topography data of the surface as the first state data.
Preferably, corresponding first state data are collected when printing of the current layer is finished, quality monitoring is carried out, printing quality and effect of each layer in the printing process can be monitored in real time, influence on the next layer caused by deviation of the current layer is avoided, and further the quality of the whole product is influenced by accumulation of the deviation layer by layer.
Collecting second state data of the molding surface in the working process of the powder paving device:
Preferably, in this embodiment, the high-resolution camera or the laser scanner is used to scan the molding surface during the working process of the powder paving device, so as to obtain the three-dimensional shape data of the surface, and as the second state data, the molding surface of the current layer of the product during the working process of the powder paving device can be monitored in real time, so that abnormal deviation of parameters during the powder paving process is avoided, and the quality of the printed product is further ensured.
Acquiring printing parameters and processing methods:
preferably, the printing parameters of the product to be printed and processed and the processing method of the parameter abnormality are acquired based on a process database.
Based on the image data, the first state data and the second state data, respectively compared with the printing parameters, corresponding processing is performed based on the processing method when the data is abnormal.
Preferably, the data is processed correspondingly based on a processing method when abnormal, and the method specifically comprises the following steps:
Receiving image data, and comparing the image data with printing parameters to obtain a first comparison deviation;
When the first comparison deviation is smaller than a first threshold value, generating a first adjustment parameter based on a processing method, and sending the first adjustment parameter to an ink jet control system for corresponding processing.
Preferably, the first adjustment parameters include ink ejection amount and ink ejection speed, and the corresponding process includes ink ejection compensation or print product surface correction.
Preferably, the data is processed correspondingly based on a processing method when abnormal, and the method further comprises the following steps:
receiving the first state data, and comparing the first state data with the printing parameters to obtain a second comparison deviation;
when the second contrast deviation is smaller than or equal to a second threshold value, generating a second adjustment parameter based on a processing method, and sending the second adjustment parameter to a printing mechanism for corresponding processing;
When the second comparison deviation is larger than a second threshold value, a first pause signal is sent to pause processing, and a first prompt message is sent;
and when the second comparison deviation is larger than a third threshold value, sending a first termination signal to terminate processing and sending first early warning information.
Preferably, the third threshold is greater than the second threshold.
Preferably, the printing mechanism is judged based on the second comparison deviation, when the second comparison deviation is smaller than or equal to a second threshold value, the printing mechanism is timely controlled to carry out compensation processing to avoid further expansion of errors, when the second comparison deviation is larger than the second threshold value, the printing mechanism is automatically controlled to pause processing and prompt related personnel to carry out processing to avoid the influence of the generated deviation on the processing of subsequent steps, when the second comparison deviation is larger than a third threshold value, the printing mechanism is automatically controlled to stop processing to give out warning information to warn related personnel, unqualified products can be timely detected to avoid wasting the subsequent steps and influence on the printing efficiency of the products.
Preferably, the data is processed correspondingly based on a processing method when abnormal, and the method further comprises the following steps:
receiving the second state data, and comparing the second state data with the printing parameters to obtain a third comparison deviation;
When the third comparison deviation is smaller than or equal to a fourth threshold value, generating a third adjustment parameter based on a processing method, and sending the third adjustment parameter to a powder spreading device for corresponding processing;
when the third comparison deviation is larger than a fourth threshold value, a second prompt message is sent, a second pause signal is sent when the third comparison deviation is not responded within a preset time, and processing is paused;
And when the third comparison deviation is larger than a fifth threshold value, sending a second termination signal to terminate processing and sending second early warning information.
Preferably, the fifth threshold is greater than the fourth threshold.
Preferably, the method comprises the steps of judging based on a third comparison deviation, timely controlling the powder paving device to execute correction compensation processing when the third comparison deviation is smaller than or equal to a fourth threshold value, avoiding further expansion of errors, prompting related personnel to process when the third comparison deviation is larger than the fourth threshold value, automatically controlling to pause processing when the third comparison deviation is not responded within a preset time, avoiding that the generated deviation influences the processing of the subsequent steps, automatically controlling to stop processing when the third comparison deviation is larger than a fifth threshold value, and sending warning information to warn related personnel, thereby timely detecting unqualified products, avoiding wasting the subsequent steps and influencing the printing efficiency of the products.
Preferably, the printing quality of each link in the printing process of the product can be monitored in real time by receiving various data in real time and performing corresponding processing and comparing the printing parameters with the printing parameters in the process database, and the printing quality of the product can be processed in time when the data is abnormal, so that accumulated errors are avoided, and the subsequent steps are influenced.
Preferably, the system can also predict the effect of the process parameters after adjustment according to historical data and an empirical formula, and provides scientific basis for process optimization.
Example 5
Based on the same inventive concept, the invention also provides a computer device, which comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete communication with each other through the communication bus;
A memory for storing a computer program;
a processor, when executing a program stored in a memory, is capable of implementing a 3DP device processing monitoring method as in embodiment 3 or 4.
As shown in fig. 4, the electronic device may include a processor (processor) 41, a communication interface (Communications Interface) 42, a memory (memory) 43, and a communication bus 44, where the processor 41, the communication interface 42, and the memory 43 perform communication with each other through the communication bus 44. Processor 41 may invoke logic instructions in memory 43 to perform one of the 3DP device process monitoring methods of embodiments 3 or 4.
Further, the logic instructions in the memory 43 described above may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method of the embodiments of the present invention. The 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, an optical disk, or other various media capable of storing program codes.
According to the technical scheme, the invention discloses a 3DP equipment processing process monitoring system and method, by means of real-time monitoring of an ink-jet system and a forming surface in the 3DP equipment and comparison analysis with a process database, defects can be found and corrected in time, processing parameters can be adjusted in real time, and accordingly quality and yield of a 3DP adhesive injection forming workpiece are improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The 3DP equipment processing process monitoring system is applied to monitoring 3DP equipment, and the 3DP equipment comprises a printing mechanism, a powder spreading device and a forming platform and is characterized by comprising an image detection module, a first monitoring module, a second monitoring module, a process database and a control module;
the image detection module is arranged above the forming platform and is used for collecting image data of a printed product;
The first monitoring module is arranged on the printing mechanism and is used for collecting first state data of the molding surface when the printing mechanism finishes printing of the current layer;
the second monitoring module is arranged on the powder spreading device and is used for collecting second state data of the molding surface in the working process of the powder spreading device;
the process database is used for storing printing parameters and processing methods;
The control module is respectively connected with the image detection module, the first monitoring module, the second monitoring module and the process database, and is used for receiving the image data, the first state data and the second state data, respectively comparing the image data, the first state data and the second state data with the printing parameters, and carrying out corresponding processing based on the processing method when the data is abnormal;
The control module comprises an inkjet control processing unit, a printing control processing unit and a powder spreading control processing unit;
The printing control processing unit is used for receiving the first state data, comparing the first state data with the printing parameters, generating a second adjustment parameter based on the processing method when the second comparison deviation is smaller than or equal to a second threshold value, and sending the second adjustment parameter to a printing mechanism for corresponding processing;
The powder spreading control processing unit is used for receiving the second state data and comparing the second state data with the printing parameters, generating a third adjustment parameter based on the processing method and sending the third adjustment parameter to the powder spreading device for corresponding processing when the third comparison deviation is smaller than or equal to a fourth threshold value, sending second prompt information when the third comparison deviation is larger than the fourth threshold value, sending a second pause signal to pause processing when the third comparison deviation is not responded within a preset time, sending a second stop signal to stop processing when the third comparison deviation is larger than a fifth threshold value, and sending second early warning information.
2. The 3DP device manufacturing process monitoring system of claim 1, wherein the inkjet control processing unit is configured to receive the image data and compare the image data with the print parameter, and generate a first adjustment parameter based on the processing method when the first comparison deviation is less than a first threshold, and send the first adjustment parameter to the inkjet control system for corresponding processing.
3. The 3DP plant process monitoring system as set forth in claim 1, wherein the process database further stores a data processing algorithm;
the control module also comprises a personalized setting module;
The personalized setting module is used for executing the processing process of different ink jet parameters of each layer based on the data processing algorithm according to the workpiece layer file or the user setting.
4. A 3DP device process monitoring method applied to a 3DP device process monitoring system according to any one of claims 1 to 3, comprising:
Collecting image data of a printed product;
When the printing mechanism finishes printing the current layer, collecting first state data of the molding surface;
collecting second state data of the molding surface in the working process of the powder spreading device;
acquiring printing parameters and a processing method;
and comparing the image data, the first state data and the second state data with the printing parameters respectively, and performing corresponding processing based on the processing method when the data is abnormal.
5. The method for monitoring the processing procedure of 3DP equipment according to claim 4, wherein the corresponding processing is performed based on the processing method when the data is abnormal, specifically comprising:
Receiving the image data, and comparing the image data with the printing parameters to obtain a first comparison deviation;
and when the first comparison deviation is smaller than a first threshold value, generating a first adjustment parameter based on the processing method, and sending the first adjustment parameter to an ink jet control system for corresponding processing.
6. The method for monitoring the processing procedure of 3DP equipment according to claim 4, wherein the corresponding processing is performed based on the processing method when the data is abnormal, further comprising:
Receiving the first state data, and comparing the first state data with the printing parameters to obtain a second comparison deviation;
when the second contrast deviation is smaller than or equal to a second threshold value, generating a second adjustment parameter based on the processing method, and sending the second adjustment parameter to a printing mechanism for corresponding processing;
When the second comparison deviation is larger than a second threshold value, a first pause signal is sent to pause processing, and a first prompt message is sent;
And when the second comparison deviation is larger than a third threshold value, sending a first termination signal to terminate processing and sending first early warning information.
7. The method for monitoring the processing procedure of 3DP equipment according to claim 4, wherein the corresponding processing is performed based on the processing method when the data is abnormal, further comprising:
Receiving the second state data, and comparing the second state data with the printing parameters to obtain a third comparison deviation;
When the third comparison deviation is smaller than or equal to a fourth threshold value, generating a third adjustment parameter based on the processing method, and sending the third adjustment parameter to a powder spreading device for corresponding processing;
When the third comparison deviation is larger than a fourth threshold value, a second prompt message is sent, a second pause signal is sent when the third comparison deviation is not responded within a preset time, and processing is paused;
And when the third comparison deviation is larger than a fifth threshold value, sending a second termination signal to terminate processing and sending second early warning information.
8. A computer device comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus;
A memory for storing a computer program;
A processor configured to execute a program stored in a memory, and to implement a 3DP device processing monitoring method according to any one of claims 4 to 7.
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