CN114462111A - Automatic labeling method, device, medium and program for tire engineering drawing based on CATIA - Google Patents
Automatic labeling method, device, medium and program for tire engineering drawing based on CATIA Download PDFInfo
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Abstract
The invention relates to the field of tires, in particular to a method, equipment, a medium and a program for automatically labeling a tire engineering drawing based on CATIA. The method comprises the steps of establishing a tire outline, a pattern and a sidewall parameterization template through a CATIA software design platform, and deriving a CATDRAWING engineering drawing; then, automatic labeling of the engineering drawing is realized by creating an engineering drawing template file and CAA secondary development, and drawing elements of the engineering drawing are automatically subjected to layer division according to the colors of the digital-analog elements; the drawing marking efficiency of the engineering drawing is improved, and meanwhile, the drawing marking of the same pattern series can be standardized.
Description
Technical Field
The invention relates to the field of tires, in particular to a method, equipment, a medium and a program for automatically labeling a tire engineering drawing based on CATIA.
Background
The research of automatic labeling problem is always a hot spot in the field of mechanical manufacturing industry. The Sun Dong light and the like provide an integral frame model and a key algorithm of an intelligent size marking system through analysis and comparison of a demand model, a frame model and an object model of a size marking subsystem in a three-dimensional parametric feature modeling system; the automatic labeling of the entity model represented by the CSG tree structure and the B-Rep data structure is researched by K.Z, Chen and the like, and a method of combining an expert system and a taboo area is adopted in the aspect of automatic layout; the engineering drawing marking object in the mechanical industry is not complicated in tire pattern, the tire pattern drawing is designed in a parameterization mode, and the automatic marking method related to the mechanical industry cannot be directly used for marking different pitches. And can not simultaneously meet the automatic labeling of the contour, the sidewall and the pattern engineering drawing. The invention introduces an automatic labeling method and application (the same applies to other industries) when a series of engineering drawings are expanded after tire parametric design.
The Chinese invention patent application (publication number CN110148197A, published: 20190820) discloses a size label self-adaptive adjusting method in a two-dimensional engineering drawing, which comprises the following steps: 1) determining the size label needing to be adjusted; 2) determining the size of the dimension-adjusting marking distance; 3) and (5) marking the size to be adjusted in position. The method effectively solves the problem of size marking position interference in the two-dimensional engineering drawing which is quickly generated after the variant design, can effectively help the two-dimensional engineering drawing to be quickly and automatically generated, replaces designers to manually adjust the size marking position, shortens the product design period, improves the product design efficiency, and is beneficial to the standardization of the drawing. The method has universality, and the two-dimensional engineering drawing parameterization automatic rapid design based on the engineering drawing template can be used for automatically adjusting the size marking position in the drawing.
The prior art has the following defects: the tire engineering drawing mainly comprises a contour drawing, a pattern drawing and a sidewall drawing, when the same series of same design rules are adopted, the CATIA software parameterization design is automatically marked after the series is expanded, the relative position of the drawing size and a marked object can be changed, manual dragging or re-marking is needed, and the element drawing layer is manually selected and confirmed. The size labels of the contour drawing and the sidewall drawing are thirty-four; pattern drawings are dimensioned to be hundreds in number due to design complexity. Most of the size and the position need to be adjusted during expansion, the repeated work is more, and when tens of product specifications are expanded, the work load is increased by dozens of times. Therefore, the time required by labeling is increased, and the efficiency of labeling is reduced.
Disclosure of Invention
The purpose of the invention is: aiming at the problems, a tire outline, a pattern and a sidewall parameterization template are established through a CATIA software design platform, and a CATDRAWING engineering drawing is derived; then, automatic labeling of the engineering drawing is realized by creating an engineering drawing template file and CAA secondary development, and drawing elements of the engineering drawing are automatically subjected to layer division according to the colors of the digital-analog elements; the method, the device, the medium and the program can improve the efficiency of engineering drawing labeling and can standardize the labeling of the same pattern series drawing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for automatically labeling a tire engineering drawing based on CATIA comprises the following steps:
1) adopting a CATIA software design platform to carry out parameterization design on an outline/pattern/sidewall model of the tire, and carrying out single element output on a characteristic object to be marked;
2) creating a projection view file associated with the digital analogy in the CATIA engineering drawing;
3) labeling the engineering drawing model, and classifying the labels;
4) renaming the labels according to the classification requirements to serve as engineering drawing template files;
5) extracting color information of a digifax corresponding to the engineering drawing template file and dimension marking position information of the engineering drawing template file through CAA secondary development, and outputting the dimension placing position information to an XML file for storage;
6) when the model is parameterized and updated, different types of labels are automatically read by CAA secondary development to carry out re-labeling on XML position information;
7) automatically creating a layer by a program, automatically dividing the layer according to the corresponding relation between colors and the layer according to the digital-analog colors read in the step 5), and automatically setting the line shape and the linearity according to the type of the layer;
8) and the program automatically stores the automatically labeled engineering drawing.
Preferably, in the step 3), when classifying the labels, the labels are marked in the horizontal direction by DL, in the vertical direction by DH, and in the parallel direction by DW.
Preferably, in the step 5), when extracting the dimension-marking position information of the engineering drawing template file, recording the dimension-marking position information through the geometric shape BOX by taking the marking template point line and the geometric shape BOX as references, and the method includes the following steps:
1) calculating a geometric shape Box in the drawing;
2) calculating the distance between the geometric object and the outline Box, and calculating the distance between the dimension line and the outline Box;
3) the positive and negative represent dimension lines are inside and outside the Box;
4) and (3) size marking: DH records the left-right distance of Box, DL records the up-down distance of Box, DW records the up-down distance of Box;
5) angle labeling and radius labeling: record the annotation quadrant, record the distance from the origin to Box (horizontal H direction), record the distance from the annotation line to Box (horizontal H direction).
Preferably, in the step 6), when the design size change digital-to-analog is updated to cause the mark size interference, the program automatically adjusts the size according to different types of marks, so that the mark size interference is automatically optimized within a certain range; if the XML position information cannot be adjusted within the range without interference, the XML position information is labeled, and adjustment is not performed.
Preferably, the size position of the lateral mark is adjusted only up and down within a certain range.
Preferably, the engineering drawing is in the picture frame, and when the drawing exceeds the picture frame, the program automatically adjusts the scaling to enable the whole drawing to be in the center of the picture frame.
Preferably, in step 8), the program automatically stores the automatically labeled engineering drawing in the same directory.
In addition, the invention also discloses computer equipment which comprises a memory, a processor and a computer program stored on the memory, wherein the processor executes the computer program to realize the steps of the automatic labeling method based on the CATIA tire engineering drawing.
In addition, the invention also discloses a computer readable storage medium, which stores a computer program or instructions, and the computer program or instructions are executed by a processor to realize the steps of the automatic labeling method based on the CATIA tire engineering drawing.
In addition, the invention also discloses a computer program product which comprises a computer program or instructions, and the computer program or instructions are executed by a processor to realize the steps of the automatic labeling method based on the CATIA tire engineering drawing.
The automatic labeling method, the equipment, the medium and the program based on the CATIA tire engineering drawing, which adopt the technical scheme, have the advantages that:
building a tire outline, a pattern and a sidewall parameterization template through a CATIA software design platform, and deriving a CATDRAWING engineering drawing; then, automatic labeling of the engineering drawing is realized by creating an engineering drawing template file and CAA secondary development, and drawing elements of the engineering drawing are automatically subjected to layer division according to the colors of the digital-analog elements; the software development can improve the efficiency of engineering drawing labeling, and can standardize the labeling of the drawing of the same pattern series. Therefore, the automatic labeling method improves the labeling efficiency, improves the standardization degree and reduces the manual drawing cost.
Drawings
Fig. 1 is a flow chart of an automatic labeling method for a tire engineering drawing based on CATIA.
FIG. 2 is a flow of automatic XML annotation for program reading.
Fig. 3 is a schematic diagram of the geometry BOX.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
Example 1
Fig. 1 shows an automatic labeling method for a tire engineering drawing based on CATIA, which includes the following steps:
1) adopting a CATIA software design platform to carry out parameterization design on an outline/pattern/sidewall model of the tire, and carrying out single element output on a characteristic object to be marked;
2) creating a projection view file associated with the digital analogy in the CATIA engineering drawing;
3) labeling the engineering drawing model, and classifying the labels; for example: using DL to represent transverse labels, using DH to represent longitudinal labels, and using DW to represent parallel direction labels;
4) renaming the labels according to the classification requirements to be used as engineering drawing template files;
5) extracting color information of a digifax corresponding to the engineering drawing template file and dimension marking position information of the engineering drawing template file through CAA secondary development, and outputting the dimension placing position information to an XML file for storage;
6) when the model is parameterized and updated, different types of labels are automatically read by CAA secondary development to carry out re-labeling on XML position information;
7) automatically creating a layer by a program, automatically dividing the layer according to the corresponding relation between colors and the layer according to the digital-analog colors read in the step 5), and automatically setting the line shape and the linearity according to the type of the layer;
8) and the program automatically stores the automatically marked engineering drawing.
In step 5), when extracting the dimension marking position information of the engineering drawing template file, recording the dimension marking position information through the geometric shape BOX by taking a marking template point line and the geometric shape BOX as references, and comprising the following steps:
1) calculating a geometric shape Box in the drawing;
2) calculating the distance between the geometric object and the outline Box, and calculating the distance between the dimension line and the outline Box;
3) the positive and negative represent dimension lines are inside and outside the Box;
4) and (3) size marking: DH records the left-right distance of Box, DL records the up-down distance of Box, DW records the up-down distance of Box;
5) angle labeling and radius labeling: record the annotation quadrant, record the distance from the origin to Box (horizontal H direction), record the distance from the annotation line to Box (horizontal H direction).
In step 6), when the design size change digital-analog is updated to cause the mark size interference, the program automatically adjusts the size according to different types of marks, so that the mark size interference is automatically optimized within a certain range; if the XML position information cannot be adjusted within the range without interference, the XML position information is labeled, and adjustment is not performed. If the size position of the transverse mark is adjusted up and down within a certain range.
The engineering drawing is in the picture frame, when the drawing exceeds the picture frame, the program automatically adjusts the scaling, so that the whole drawing is in the center of the picture frame to ensure the standardization of the engineering drawing.
And 8), automatically storing the automatically marked engineering drawing in the same directory by the program so as to facilitate searching.
In step 5), the procedure for extracting the color information of the digifax corresponding to the engineering drawing template file is as follows:
color and Layer correspondence- - (< color and Layer >) - < color and Layer > < dot object name = "Contour line" = "color =" white "R ="255 "G ="255 "B ="255 "Layer =" color line "=" 1"/> < dot object name =" autoiarline "ch name =" Auxiliary line "color =" blue "R ="0 "G =" B = "255" Layer = "color line" = "dot object" = "0" = "G ="0 "B ="255 "color =" line = "type ="1 "/" dot object name = "dot object" = "color line" = "color axis" = "dot object" = "1"/"dot object =" color "=" color = "0" B = "255" dot object "0" dot object = "dot object" = "7" color = "B =" color = "0" dot object = "0" B = "1" = "dot object" color = "0" dot object "color =" dot object "0" dot object "color ="0 "color =" dot object "color ="0 "color =" color: "color =" color: "0" dot object "color:" color = "color:" 0 "color:" color = "color:" color = "color:" color = "0" color: "color =" color = "color" 0 "color ="0 "10" color = "color" 10 "color =" color "10" color "0" color = "color =" magenta color "R ="255 "G ="0 "B ="255 "Layer =" Lasers "linear type ="1"/> < DObject name =" Sheet steel "chname =" steel "color =" green "R ="0 "G =" B = "0" Layer = "Sheet steel =" line type = "1"/> < DObject name = "Dimension" chname = "label" color = "R =" ">" G = "", "Layer" color "line type" = "64"/"color ="64 "color =" green = "color =" G = "B" = "Layer" color "64" color = "64" color = "B ="64 "color =" color
The method comprises the steps of establishing a tire outline, a pattern and a sidewall parameterization template through a CATIA software design platform, and deriving a CATDRAWING engineering drawing; then, automatic labeling of the engineering drawing is realized by creating an engineering drawing template file and CAA secondary development, and drawing elements of the engineering drawing are automatically subjected to layer division according to the colors of the digital-analog elements; the software development can improve the efficiency of engineering drawing labeling, and can standardize the labeling of the drawing of the same pattern series. Therefore, the automatic labeling method improves the labeling efficiency, improves the standardization degree and reduces the manual drawing cost.
Claims (10)
1. A method for automatically labeling a tire engineering drawing based on CATIA is characterized by comprising the following steps:
1) adopting a CATIA software design platform to carry out parameterization design on an outline/pattern/sidewall model of the tire, and carrying out single element output on a characteristic object to be marked;
2) creating a projection view file associated with the digital analogy in the CATIA engineering drawing;
3) labeling the engineering drawing model, and classifying the labels;
4) renaming the labels according to the classification requirements to serve as engineering drawing template files;
5) extracting color information of a digifax corresponding to the engineering drawing template file and dimension marking position information of the engineering drawing template file through CAA secondary development, and outputting the dimension placing position information to an XML file for storage;
6) when the model is updated in a parameterization mode, different types of labels are automatically read by CAA secondary development to carry out re-labeling on XML position information;
7) automatically creating a layer by a program, automatically dividing the layer according to the corresponding relation between colors and the layer according to the digital-analog colors read in the step 5), and automatically setting the line shape and the linearity according to the type of the layer;
8) and the program automatically stores the automatically labeled engineering drawing.
2. The automatic labeling method for the CATIA-based tire engineering drawing as claimed in claim 1, wherein in the step 3), when classifying the labels, the labels are represented by DL, DH and parallel direction, respectively.
3. The automatic labeling method for the tire engineering drawing based on the CATIA of claim 1, wherein in the step 5), when extracting the labeled dimension position information of the engineering drawing template file, the labeled dimension position information is recorded through the geometric shape BOX by taking a labeled template point line and the geometric shape BOX as references, and the method comprises the following steps:
1) calculating a geometric shape Box in the drawing;
2) calculating the distance between the geometric object and the outline Box, and calculating the distance between the dimension line and the outline Box;
3) the positive and negative represent dimension lines are inside and outside the Box;
4) and (3) size marking: DH records the left-right distance of Box, DL records the up-down distance of Box, DW records the up-down distance of Box;
5) angle labeling and radius labeling: record the annotation quadrant, record the distance from the origin to Box (horizontal H direction), record the distance from the annotation line to Box (horizontal H direction).
4. The automatic labeling method for the tire engineering drawing based on the CATIA of claim 1, wherein in the step 6), when the design dimension change digital-to-analog is updated to cause the interference of the labeled dimension, the program automatically adjusts the dimension according to different types of labels to ensure that the labeled dimension is automatically optimized within a certain range during the interference; if the XML position information cannot be adjusted within the range without interference, the XML position information is labeled, and adjustment is not performed.
5. The automatic labeling method for the CATIA-based tire engineering drawing as claimed in claim 4, wherein the size position of the transverse label is adjusted up and down only within a certain range.
6. The method as claimed in claim 1, wherein the engineering drawing is inside the frame, and when the drawing exceeds the frame, the process automatically adjusts the scaling to make the drawing in the center of the frame.
7. The automatic labeling method for the engineering drawing of the tire based on the CATIA of claim 1, wherein in the step 8), the program automatically stores the automatically labeled engineering drawing in the same directory.
8. A computer device comprising a memory, a processor and a computer program stored on the memory, characterized in that the processor executes the computer program to implement the steps of the method of any of claims 1-7.
9. A computer-readable storage medium, on which a computer program or instructions are stored, which, when executed by a processor, carry out the steps of the method of any one of claims 1 to 7.
10. A computer program product comprising a computer program or instructions for implementing the steps of the method of any one of claims 1 to 7 when executed by a processor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905895A (en) * | 2022-06-28 | 2022-08-16 | 赛轮集团股份有限公司 | Method for automatically arranging studs in tire tread patterns |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905895A (en) * | 2022-06-28 | 2022-08-16 | 赛轮集团股份有限公司 | Method for automatically arranging studs in tire tread patterns |
| CN114905895B (en) * | 2022-06-28 | 2023-12-26 | 赛轮集团股份有限公司 | Method for automatically arranging embedded nails in tire tread pattern |
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