3D printing method, printer, system and storage medium
阅读说明：本技术 一种3d打印方法、打印机、系统及存储介质 (3D printing method, printer, system and storage medium ) 是由 马永军 周子翔 杜银学 杜海平 杨军 于 2020-05-20 设计创作，主要内容包括：本发明涉及一种3D打印方法、打印机、系统及存储介质。所述3D打印方法包括：步骤1：确定打印头的零点喷头,并加载打印图幅准备打印；步骤2：打印头的各喷头全开状态下进行首层打印；步骤3：零点喷头逐层顺次错位若干个喷孔进行打印；步骤4：根据产品切片层数循环执行上述步骤2和步骤3。所述打印机、系统均采用所述3D打印方法进行打印,所述存储介质用于存储所述3D打印方法的执行程序。所述3D打印方法、打印机、系统及存储介质能够提高打印稳定性,并有效降低打印成本。(The invention relates to a 3D printing method, a printer, a system and a storage medium. The 3D printing method comprises the following steps: step 1: determining a zero point nozzle of a printing head, and loading a printing picture to prepare for printing; step 2: printing the first layer of the printing head in a fully opened state of each nozzle; and step 3: the zero point nozzle sequentially misplaces a plurality of spray holes layer by layer for printing; and 4, step 4: and (4) circularly executing the step 2 and the step 3 according to the number of the product slicing layers. The printer and the system both adopt the 3D printing method for printing, and the storage medium is used for storing an executive program of the 3D printing method. The 3D printing method, the printer, the system and the storage medium can improve printing stability and effectively reduce printing cost.)
1. A3D printing method, comprising:
step 1: determining a zero point nozzle of a printing head, and loading a printing picture to prepare for printing;
step 2: printing the first layer of the printing head in a fully opened state of each nozzle;
and step 3: the zero point nozzle sequentially misplaces a plurality of spray holes layer by layer for printing;
and 4, step 4: and (4) circularly executing the step 2 and the step 3 according to the number of the product slicing layers.
2. The 3D printing method according to claim 1, wherein the number of staggered spray holes of the zero point nozzle in the step 3, which is printed in a staggered manner in sequence layer by layer, is determined according to the arrangement mode of the spray holes of the zero point nozzle and the total number of the spray holes.
3. The 3D printing method according to claim 2, wherein when the orifices of the zero point nozzle are aligned in a row, a plurality of adjacently arranged orifices are sequentially staggered layer by layer for printing.
4. The 3D printing method according to claim 2, wherein when the orifices of the zero point nozzle are arranged in two rows, two rows of several orifices arranged adjacently are sequentially selected layer by layer for printing.
5. The 3D printing method according to claim 4, wherein odd number of nozzle holes in a first row of the zero nozzle and odd number of nozzle holes in a second row adjacent to the odd number of nozzle holes are sequentially selected layer by layer for printing.
6. The 3D printing method according to claim 4, wherein an even number of nozzle holes in a first row of the zero point nozzle and an odd number of nozzle holes in a second row adjacent to the even number of nozzle holes are sequentially selected layer by layer for printing.
7. The 3D printing method according to claim 2, wherein in the step 3, the zero point nozzle is sequentially staggered from 3N to 12N adjacent nozzle holes layer by layer for printing.
8. A3D printer, comprising:
the selection module is used for determining a zero point nozzle of the printing head and loading a printing picture to prepare for printing;
and the execution module is used for controlling each spray hole of the zero point spray head to print according to the preset printing staggered spray hole number of each layer.
And the judging module is used for judging whether the execution of the product slicing layer is finished after the zero-point spray head executes the staggered printing of all layers.
9. A3D printing system, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the 3D printing method according to any of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, realizes the steps of the 3D printing method according to any one of claims 1 to 7.
Technical Field
The invention relates to the technical field of 3D printing, in particular to a 3D printing method, a printer, a system and a storage medium.
Background
The 3D printing technology means that the 3D printer performs ink jet operation by a nozzle under the control of a computer instruction. And operating according to the two-dimensional array model data, and performing corresponding ink jet by the system according to the size of the image area to form a planar layer. And each plane drawing is stuck together to form a three-dimensional drawing, the stored box descends according to the thickness of the plane drawing, the powder spreading device moves the other end from one end, redundant powder is scraped to the waste powder groove at one time, and the steps are repeated and accumulated, so that the model ink-jet drawing is finished, and the product is generated. When the shower nozzle formed the plan view, some orifice can lead to the shower nozzle to break down because the ink has impurity or voltage unusual, leads to the bonding process to appear the layering or be the starved condition, leads to our product can't accomplish final whole printing failure, and under this kind of condition, maintains the shower nozzle through needs, and because the cost of shower nozzle is very expensive so that whole printing cost increases.
Disclosure of Invention
Accordingly, it is necessary to provide a 3D printing method, a printer, a system, and a storage medium, which have high printing stability and effectively reduce printing cost, in order to solve the problem of increased printing cost due to abnormal nozzles of a 3D printer.
A 3D printing method, comprising:
step 1: determining a zero point nozzle of a printing head, and loading a printing picture to prepare for printing;
step 2: printing the first layer of the printing head in a fully opened state of each nozzle;
and step 3: the zero point nozzle sequentially misplaces a plurality of spray holes layer by layer for printing;
and 4, step 4: and (4) circularly executing the step 2 and the step 3 according to the number of the product slicing layers.
In one embodiment, the number of the staggered spray holes printed by the zero point nozzle in a staggered manner in sequence layer by layer in the step 3 is determined according to the arrangement mode of the spray holes of the zero point nozzle and the total number of the spray holes.
In one embodiment, when the nozzles of the zero-point nozzle are arranged in a line, a plurality of adjacently arranged nozzles are sequentially staggered layer by layer for printing.
In one embodiment, when the nozzles of the zero-point nozzle are arranged in two rows, two rows of a plurality of nozzles arranged adjacently are sequentially selected layer by layer for printing.
In one embodiment, odd-numbered spray holes in a first row in the zero-point spray head and odd-numbered spray holes in a second row which are adjacent to the odd-numbered spray holes are sequentially selected layer by layer to print.
In one embodiment, an even number of spray holes in a first row in the zero-point spray head and an odd number of spray holes in a second row which is adjacent to the even number of spray holes are sequentially selected layer by layer to print.
In one embodiment, in step 3, the zero point nozzle is sequentially staggered from 3N to 12N adjacent nozzle holes layer by layer for printing.
A 3D printer, comprising:
the selection module is used for determining a zero point nozzle of the printing head and loading a printing picture to prepare for printing;
and the execution module is used for controlling each spray hole of the zero point spray head to print according to the preset printing staggered spray hole number of each layer.
And the judging module is used for judging whether the execution of the product slicing layer is finished after the zero-point spray head executes the staggered printing of all layers.
A 3D printing system, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the 3D printing method according to any of claims 1 to 7 when executing the computer program.
A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the 3D printing method according to any one of claims 1 to 7.
The 3D printing method, the printer, the system and the storage medium have the advantages that the zero point nozzle of the printing head is predetermined, the picture is loaded, the first layer printing is carried out in the state that the spraying holes are fully opened, then the plurality of spraying holes are staggered when the printing is started layer by layer, the staggered printing is further determined and carried out layer by layer according to the number of the whole slicing layers of the product, the cross section of the printing layer of the final product is triangular, the stability characteristic of the printing structure is improved according to the triangle, the printing head is prevented from being frequently overhauled due to the fact that ink is not jetted due to the faults of partial spraying holes by adopting the staggered printing mode, and the printing cost is effectively.
Drawings
Fig. 1 is a schematic flow chart of a 3D printing method according to an embodiment.
Fig. 2 is a logic block diagram of a 3D printing system of an embodiment.
FIG. 3 is a schematic cross-sectional view of a printed layer of a product according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, a 3D printing method includes: step 1: determining a zero point nozzle of a printing head, and loading a printing picture to prepare for printing; step 2: printing the first layer of the printing head in a fully opened state of each nozzle; and step 3: the zero point nozzle sequentially misplaces a plurality of spray holes layer by layer for printing; and 4, step 4: and (4) circularly executing the step 2 and the step 3 according to the number of the product slicing layers.
In one embodiment, a 3D printer includes: the selection module is used for determining a zero point nozzle of the printing head and loading a printing picture to prepare for printing; and the execution module is used for controlling each spray hole of the zero point spray head to print according to the preset printing staggered spray hole number of each layer. And the judging module is used for judging whether the execution of the product slicing layer is finished after the zero-point spray head executes the staggered printing of all layers.
In one embodiment, a 3D printing system includes: a memory for storing a computer program; a processor for implementing the steps of the 3D printing method when executing the computer program.
In an embodiment, a computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the 3D printing method.
According to the 3D printing method, the printer, the system and the storage medium, the zero point nozzle of the printing head is predetermined and the picture is loaded to print the first layer of the printing head in the state that the spray holes are fully opened, then the staggered spray holes are staggered to print when the printing is started layer by layer, further, the staggered printing of the layer by layer is determined and executed circularly according to the integral slicing layer number of the product, so that the cross section of the printing layer of the final product is triangular, the stability characteristic of the printing structure of the product is improved, meanwhile, the printing head is prevented from being overhauled frequently due to the fact that ink is not jetted when part of the spray holes break down in a staggered printing mode, and the printing.
The 3D printing method is described below with reference to specific embodiments to further understand the inventive concept of the 3D printing method.
Referring to fig. 1, in an embodiment, a 3D printing method includes the following steps:
s110: determining a zero point nozzle of a printing head, and loading a printing picture to prepare for printing;
wherein, the zero point nozzle refers to the nozzle of the first setting position in the printing head. It should be noted that the printing head arranged in the 3D printer includes a plurality of nozzles, and each nozzle is provided with a plurality of orifices. Generally, different numbers of spray heads are selected according to the model size and the printing method of the 3D printer, and 256 holes or 1024 holes are selected according to the number of the spray holes formed on each spray head correspondingly. That is, the total number of the nozzle holes of the zero point nozzle may be 256 holes or 1024 holes. And the printing operation system enters a printing chart loading state of the product after confirming the zero point nozzle, specifically, the chart loading condition is determined according to the slicing condition of the product by the operation system, and the whole printing state enters a preparation stage.
S120: printing the first layer of the printing head in a fully opened state of each nozzle;
that is, when the print head performs the first layer printing, all the orifices of all the heads are all opened to perform the ink ejection operation. If the ideal state of the nozzle hole blockage problem is not considered, all the nozzle holes of all the nozzles are in a fully-opened state for printing when each layer of printing is carried out.
S130: the zero point nozzle sequentially misplaces a plurality of spray holes layer by layer for printing;
after the zero-point nozzle finishes the first-layer printing, the control part of the spray holes of each layer are not printed until the second-layer printing is started, the quantity of the spray holes which are not printed in each layer is the same, and the spray holes are accumulated layer by layer until all the spray holes of the zero-point nozzle are not printed.
In one embodiment, the number of the staggered spray holes of the zero-point nozzle, which are sequentially printed in a staggered manner layer by layer, is determined according to the arrangement mode of the spray holes of the zero-point nozzle and the total number of the spray holes. That is, the number of orifices not to be printed per layer is determined according to the orifice arrangement of the zero point head and the number thereof. In one embodiment, the zero point nozzle sequentially misplaces 3N-12N adjacent spray holes layer by layer for printing. Wherein, N represents multiple, namely the number of the jet holes for controlling the non-jet printing during the printing of each layer is 3 to 12 times of the adjacent jet holes. For example, for a zero point nozzle with 256 orifices, the number of staggered orifices per layer is selected to be 3N, wherein N is equal to 1 or 2 or 3 … …; preferably, the number of staggered spray holes in each layer is 3; for a zero point nozzle with 1024 nozzles, selecting the number of staggered nozzles in each layer to be 12N, wherein N is equal to 1 or 2 or 3 … …; preferably, the number of staggered spray holes in each layer is 12. The arrangement of the zero-point sprinklers selected for use in the embodiment generally includes a single-row arrangement and a double-row arrangement. That is, when the zero point nozzle with 256 nozzle holes is arranged in two rows, each row has 128 nozzle holes, generally two rows of nozzle holes are required to be arranged in a staggered manner, and the distance between two adjacent nozzle holes is set to be 0.254 mm. For the zero point nozzle with double rows, the transverse distance between the first spray hole of the first row and the first spray hole of the second row is 0.254mm, so the spray holes with double rows can be regarded as a spray hole mode with single row.
In one embodiment, when the orifices of the zero-point nozzle are arranged in a line, a plurality of adjacently arranged orifices are sequentially staggered layer by layer for printing. That is, the zero point heads are arranged in a row in order, and the orifices selected not to be printed in each layer are the orifices arranged adjacently in the row. Specifically, for the zero point nozzle with 256 orifices, when printing in the second layer, the first 3 orifices are selected to close for printing, and when printing in the third layer, the first 6 orifices are selected to close for printing, that is, the third layer has a closed orifice number, which is the new addition of 3 orifices on the basis of the second layer, and no printing is performed, that is, the second layer and the third layer have 3 orifices staggered for printing.
In one embodiment, when the nozzles of the zero-point nozzle are arranged in two rows, two rows of a plurality of nozzles arranged adjacently are sequentially selected layer by layer for printing. That is, if a plurality of heads of the zero-point head are arranged in two rows, the orifices selected not to be printed in each layer are several orifices arranged adjacently in the two rows. Further, how to select the orifices arranged adjacently in two rows for offset printing is generally preferable to perform printing in two ways:
the first printing mode: odd-numbered spray orifices in a first row in the zero-point spray head and odd-numbered spray orifices in a second row which are adjacent to the odd-numbered spray orifices are sequentially selected layer by layer to print. Specifically, for the zero-point nozzle with 256 orifices, when printing in the second layer, the first 3 orifices in the first row are selected to be closed for printing, the first 3 orifices in the second row are selected to be closed for printing, when printing in the third layer, the first 6 orifices in the first row are selected to be closed for printing, and the first 6 orifices in the second row are selected to be closed for printing, that is, the third closed orifice number is the number of orifices which is newly added with 3 orifices on the basis of the second closed orifice number for printing, that is, the second layer and the third layer are staggered by 3 orifices for printing.
The second printing mode: and sequentially selecting even jet holes in a first row in the zero point nozzle and odd jet holes in a second row adjacent to the even jet holes layer by layer for printing. Specifically, for the zero-point nozzle with 256 orifices, when printing in the second layer, the first 2 orifices arranged in the first row are selected to be closed for printing, the first 1 orifices arranged in the second row are selected to be closed for printing, when printing in the third layer, the first 4 orifices arranged in the first row are selected to be closed for printing, and the first 2 orifices arranged in the second row are selected to be closed for printing, that is, the number of orifices closed in the third layer is newly added with 3 orifices on the basis of the number of orifices closed in the second layer for printing, that is, the second layer and the third layer are staggered by 3 orifices for printing.
The first printing mode and the second printing mode select the number of the jet holes which are printed in a staggered mode on each layer according to the arrangement mode of the jet holes of the zero point nozzle, and specifically select a plurality of jet holes which are not printed in each row respectively, so that odd number collocation selection or odd-even collocation selection can be performed according to the total number of the staggered holes, and specifically, which mode is adopted for printing can be selected and used according to the model of the printer. In the embodiment, the second printing mode is preferably selected, which is favorable for better supplementary printing effect when partial jet holes are not jetted.
S140: the above S120 and S130 are cyclically executed according to the number of product slicing layers.
Namely, whether the layer-by-layer dislocation printing is executed in a circulating mode is determined according to the integral slicing layer number of the product. It should be understood that, when the 3D printer is used for printing a product, the product model is sliced into a plurality of layers by computer software, and then the layered information is sent to the printing operating system, and the printing operating system performs layer-by-layer printing and stacking according to the number and shape of the product slicing layers to finally form the whole printing product structure. For example, for a product with a total number of cut layers of 200 layers, if a zero-point nozzle with 256 nozzle holes is selected for printing and 3-layer staggered printing is adopted during printing, the total number of printing layers is 84 layers, so that after one-time staggered printing, the product does not actually finish printing, and the steps of circularly executing the steps 120 and 130 are circularly staggered for printing, and finally the multi-layer printing of the
In one embodiment, referring to fig. 2, a
In one embodiment, a 3D printing system includes: a memory for storing a computer program; a processor for implementing the steps of the 3D printing method of any of the above embodiments when executing the computer program.
In one embodiment, a computer-readable storage medium has a computer program stored thereon, and when executed by a processor, the computer program implements the steps of the 3D printing method according to any one of the above embodiments.
Above-mentioned 3D printer, system and storage medium, print head's zero point shower nozzle and loading picture width through the predetermination and carry out the first layer and print under the orifice full open state, then a plurality of orifice that misplaces when the successive layer begins to print prints, further confirm to carry out successive layer dislocation according to the whole section number of piles of cutting of product and print the cycle number, thereby final product prints the layer cross-section and is triangle-shaped, stability characteristic according to triangle-shaped, thereby be favorable to promoting the stability that the product printed the structure, adopt the mode of dislocation printing simultaneously can avoid frequently overhauing the printer head because of the needs that partial orifice trouble did not spout ink and lead to, then be favorable to effectively reducing the.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.