CN110442916A - A kind of undirected drawing generating method of door and window manufacturing BOM, system, terminal and storage medium - Google Patents
A kind of undirected drawing generating method of door and window manufacturing BOM, system, terminal and storage medium Download PDFInfo
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Abstract
The present invention provides a kind of undirected drawing generating method of door and window manufacturing BOM, system, terminal and storage medium, obtains door and window information；Door and window information is converted into the undirected diagram data of door and window；The undirected diagram data of door and window is matched with the processing technology structure non-directed graph in process goal structure picture library；Judge the undirected diagram data of door and window while whether with processing technology structure non-directed graph while exactly match；Terminate if having exactly matched；If not exactly matching, return to step 3 and continue to execute, until exact matching.The present invention is realized from the integration for being designed into technology for blanking planning, improves intuitive and convenience that designer plans technology for blanking；Realize that technique BOM is automatically generated in door and window structure, improves the creation efficiency of technique BOM；Realize that product attribute along the automatic transmitting of BOM tree, to realize automatically extracting for processing technology characteristic value, realizes automatically generating for processing numerical control code, provides good support for the automation of workshop.
Description
Technical Field
The invention relates to the technical field of door and window manufacturing, in particular to an undirected graph generation method, a system, a terminal and a storage medium for door and window manufacturing BOM.
Background
In recent years, the door and window industry is rapidly developed, the number of orders of door and window enterprises is continuously increased, and in order to improve the production capacity of the enterprises, the enterprises are continuously expanding plants and increasing the number of numerical control equipment, so that the self strength is improved to meet the huge market demand.
While enterprises are continuously expanding their production capacity, the problems faced are increasing. The hardware level of enterprises is improving, and the scale is continuously expanding, which puts forward higher requirements for the modern door and window manufacturing process design of door and window enterprises. Enterprises need to really exert the production capacity of new equipment, increase the process design tasks of designers, improve the service level of process designers, increase the number of workers in workshops, scientifically manage the production tasks and maintenance cycles of the equipment, ensure the production scheduling of the enterprises to be smooth, ensure the upstream and downstream information of the enterprises to be smooth, avoid the occurrence of information islands and the like. The occurrence of all the problems indicates that enterprises need to upgrade door and window manufacturing process informatization systems and enhance the informatization level of door and window manufacturing processes in the manufacturing process.
At present, the door and window information design means is single, the door and window information design is not related, the door and window process design is carried out only in a manual mode, the door and window processing process is carried out in series manually, the delay and the inconsistency of information in the door and window processing process are caused, the information standardization cannot be ensured, and the development of the door and window industry is restricted.
Disclosure of Invention
The invention provides an undirected graph generation method for door and window manufacturing BOM, which realizes automatic calculation of characteristic values of a processing process and provides technical support for an intelligent door and window manufacturing workshop, and the method comprises the following steps:
step one, door and window information is obtained;
step two, converting the door and window information into door and window undirected graph data;
step three, matching the door and window undirected graph data with the processing technology structure undirected graph in the technology target structure diagram library;
step four, judging whether the edge of the door and window undirected graph data is completely matched with the edge of the processing technology structure undirected graph;
if the matching is complete, ending;
if not, returning to the third step to continue the execution until the matching is complete.
Further, the first step further comprises:
defining an undirected graph G of a door and window processing technology;
undirected graph G is denoted G ═ V, E, α, β;
wherein V ═ V (V)1,v2,…,vn) Is the set of all vertices;
is a collection of edges connecting vertices;
v → Sigma V is the labeling function of the vertex;
beta: e → Sigma E is the label function of the edge;
for the mapping of the window type information to an undirected graph, V is the set of elements of the edge where the window type appears;
e represents the connection relation among all the edges;
α is attribute information on the edge;
beta is the attribute set of the edge-to-edge connection mode;
for G ═ (V, E, α, β), each vertex V corresponds to the number of each edge, and the number of each edge is and can only appear once in undirected graph G;
for an edge E connecting two nodes in the undirected graph G, when the two edges have a connection relation in the process structure diagram, establishing an edge between vertexes representing the two edges in the undirected graph;
wherein the marking function of the vertex is alpha and consists of a window type attribute set;
the label function for an edge is β is the set of attributes on the edge.
Further, the first step further comprises:
acquiring the structural shape of a door and window, and establishing a door and window processing technology according to the structural shape of the door and window;
configuring a processing technology structure undirected graph according to a door and window processing technology;
and establishing a process structure undirected graph into a process target structure graph library.
Further, the fourth step further includes:
if not, returning to the third step to continue the execution until the matching times are reached and the matching is not completely performed;
sending out an incomplete matching prompt;
acquiring a door and window processing technology of the door and window undirected graph data which are not completely matched according to the door and window undirected graph data which are not completely matched currently;
configuring the processing technology structure undirected graph which is not completely matched with the door and window undirected graph data according to the door and window processing technology;
and adding the processing technology structure undirected graph to a technology target structure gallery.
The invention also provides an undirected graph automatic generation system of the BOM for manufacturing doors and windows, which comprises: the system comprises a door and window information acquisition module, a door and window new conversion module and a door and window information matching execution module;
the door and window information acquisition module is used for providing a door and window information input/output operation port, enabling a user to input or edit door and window information to be processed, and storing and processing the door and window information
The new door and window conversion module is used for extracting and analyzing the door and window information element information and the connection relation between the door and window information elements according to the preset element information of the door and window, and extracting and analyzing window type information and converting the window type information into door and window undirected graph data;
the door and window information matching execution module is used for matching door and window undirected graph data with a processing technology structure undirected graph in a technology target structure diagram library; judging whether the edge of the door and window undirected graph data is completely matched with the edge of the processing technology structure undirected graph;
if the matching is complete, ending; if not, returning to the third step to continue the execution until the matching is complete.
The invention also provides a terminal for realizing the undirected graph generation method for manufacturing the BOM by the doors and the windows, which comprises the following steps:
a memory for storing a computer program and an undirected graph generation method of a BOM for door and window manufacturing;
and the processor is used for executing the computer program and the undirected graph generation method of the BOM for door and window manufacturing so as to realize the steps of the undirected graph generation method of the BOM for door and window manufacturing.
The present invention also provides a computer-readable storage medium having a door and window manufacturing BOM undirected graph generation method, the computer-readable storage medium having a computer program stored thereon, the computer program being executable by a processor to implement the steps of the door and window manufacturing BOM undirected graph generation method.
According to the technical scheme, the invention has the following advantages:
(1) the interactive design of the door and window graphs is realized by using thought means such as grouping, parameterization and the like, so that the design speed of designers can be improved to a great extent; the integration of interactive design and blanking process planning functions is carried out on the interface layer and the data layer, so that the integration from design to blanking process planning is realized, and the intuitiveness and convenience of designers to the blanking process planning are improved;
(2) according to the target structure information and the attribute information of the door and window and the processing technology, an undirected graph of the door and window structure and the process target structure is established, and whether the technology is suitable for a specific window type is judged through matching of the undirected graph, so that automatic generation of a process BOM in the door and window structure is realized, and the creation efficiency of the process BOM can be greatly improved;
(3) by utilizing the traversal algorithm of the BOM tree, the automatic transmission of the product attribute along the BOM tree can be realized, so that the automatic extraction of the characteristic value of the processing technology is realized, the automatic generation of a processing numerical control code is realized, and a good support is provided for the automation of a production workshop.
(4) Aiming at the planning problem of door and window graphs and blanking process rules in door and window enterprises, the interactive design of doors and windows and the integration of the blanking process rules on an interface and a data layer are realized, and the planning speed of designers and the uniformity of system data are greatly improved;
(5) aiming at the process problem in the door and window enterprise, the door and window structure, the processing technology and the attribute characteristics are deeply analyzed, an undirected graph of the door and window structure and the process structure is established, the automatic generation of the BOM is realized by utilizing the structural comparison and matching between the undirected graphs, and the planning speed of the enterprise on the process BOM is greatly improved;
(6) aiming at the problem of production automation in doors and windows, the traversing algorithm of the BOM tree is utilized, the automatic extraction of the characteristic value of the machining process is realized, the numerical control code capable of being in butt joint with equipment is automatically generated, the butt joint of a system and the numerical control equipment is realized, and the utilization rate of ERP data and the automation level of enterprise production are greatly improved.
(7) The defect that the door and window design is carried out only in a manual mode without the door and window informatization design means being single at present is avoided. The problem that information delay and inconsistency occur in the door and window processing process due to the fact that the door and window processing process is carried out in series manually is also solved, standardization of door and window design process information can be promoted, and development of the door and window industry is promoted.
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In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a flow chart of a method for generating an undirected graph of a BOM for door and window manufacture;
FIG. 2 is a process data diagram;
FIG. 3 is a schematic view of a steel bushing;
FIG. 4 is a view of a four corner weld joint;
FIG. 5 is a view showing a welding structure of a hexagonal weld;
FIG. 6 is a view of an I-weld target configuration;
FIG. 7 is a schematic view of a weld configuration;
FIG. 8 is a schematic view illustrating a four-corner welding process;
FIG. 9 is a schematic view of the window-type outer frame;
FIG. 10 is a CAD structure undirected graph;
FIG. 11 is a schematic view of an undirected graph of the outer frame;
FIG. 12 is a schematic view of a BOM tree;
FIG. 13 is a flowchart of a traversal algorithm;
FIG. 14 is a schematic view of an undirected graph automatic generation system for door and window manufacturing BOMs.
Detailed Description
The invention provides an undirected graph generation method for manufacturing a BOM (bill of material) for doors and windows, which comprises the following steps of:
s1, acquiring door and window information;
s2, converting the door and window information into door and window undirected graph data;
s3, matching the door and window undirected graph data with the processing technology structure undirected graph in the technology target structure gallery;
s4, judging whether the edge of the door and window undirected graph data is completely matched with the edge of the processing technology structure undirected graph;
if the matching is complete, ending; if not, returning to the third step to continue the execution until the matching is complete.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments and drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Firstly, the door and window processing technology and the processing structure relationship analysis thereof are disclosed, wherein the technology BOM is the planning of the whole production process of the product, and enterprises need to plan the technology BOM of the door and the window in order to ensure the orderly operation of the door and window manufacturing process. As shown in fig. 2, the processes mainly involved in the process planning of the door and window enterprises include milling drainage, steel lining penetration, steel fixation, adhesive tape penetration, welding, wool top penetration and the like, wherein the welding can be divided into various welding processes such as single spot welding, four-corner welding, i-shaped welding, six-corner welding and the like. The section analyzes the technological process involved in the door and window processing and establishes a technological rule base.
In the invention, the analysis of the door and window process BOM is mainly to analyze the process route involved in the process BOM and the typical structure capable of being processed. From the processing result corresponding to the processing technology, the door and window processing technology can be divided into two types: one type is a processing technique in which the processing result is not changed according to the properties such as the structure and the size of the door and window, for example: threading adhesive tapes, wool tops and the like; another type is a processing technology that can be changed according to the specific structure, size and the like of the door and window, such as: and (5) welding, milling drain holes and other processing technologies. The window and door processing process is analyzed below for both types of processes.
The first type of processing technology mainly relates to the technologies of rubber strip threading, steel lining threading, wool top threading and the like, and the technologies mainly refer to the combination of different raw materials and do not relate to the change of a structure, so the types and the associated attributes of the raw materials related to the processing technology are mainly analyzed. In the design stage, the blanking process is planned for the door and the window, and the attributes of each raw material are defined, such as: and the attributes such as the position, the position number, the cutting mode, the number and the like of the V-shaped opening provide original data for the analysis of the associated attributes. Next, a steel lining will be described as an example. As shown in fig. 3, the steel lining process refers to an operation of threading a steel lining in a steel lining cavity of a plastic profile in order to increase the strength of the profile. The raw materials involved in the process of threading the steel lining are the section bar and the steel lining, the required attribute is the corresponding position number in the design stage, and when the position numbers of the two raw materials in a window type are consistent, the steel lining with the position number is matched with the section bar when the window type is manufactured.
By the above analysis, the first type of processing can be expressed in the form of table 4.1, as shown in table 4.1:
TABLE 4.1 processing schedules of the first type
The second type of process is a processing process that varies according to changes in the specific structure, dimensions, etc. of the door and window, such as: and (5) welding, milling drain holes and other processing technologies. Especially, the process planning of the welding process directly influences the processing efficiency of the whole door and window.
The door and window welding process is taken as an example for analysis, and as the process types are changed more, the corresponding classification is more, and the four-corner welding, the six-corner welding, the I-shaped welding, the four-position welding and the like are common. The welding process is divided into various types because the number of the sectional materials which can be welded at most at one time and the structure formed by the sectional materials are different, the structure which can be welded by four-corner welding and one-time forming is a mouth shape, the structure which can be welded by hexagonal welding and one-time forming is a Chinese character ri shape, the structure which can be welded by I-welding and one-time forming is an I shape, and the structure which can be welded by four-position welding is a t-t type. Each welding process was then broken down and analyzed for typical structures that could be machined.
As shown in fig. 4, is a typical structure that can be processed by the four-corner welding process. It can be seen that the four-fillet weld has four sides, the four sides are numbered with 1, 2, 3, 4 in the figure, and the four sides labeled with 1, 2, 3, 4 are represented by side 1, side 2, side 3, side 4, respectively.
The analysis of the welding process graph mainly comprises two aspects, namely the microstructure of a welding structure diagram, which mainly refers to the characteristic attribute of each edge; and the other aspect is the analysis of the macro structure of the structure, which mainly refers to the connection relationship and the connection attribute of each edge in the structure. The attribute of each edge is firstly analyzed, wherein the typical characteristic of each edge in the door window is the chamfer and the number of V-shaped openings at two ends, and each edge is analyzed according to the chamfer and the number of V-shaped openings. The results of the analysis are shown in table 4.2 for fig. 4.
TABLE 4.2 four corner welding structure analysis table
The cutting angle of the edge 1 is 45/45 degrees, and the number of V openings is 0; the cutting angle of the edge 2 is 45/45, and the number of V openings is 0; the cutting angle of the edge 3 is 45/45, and the number of V openings is 0; the cutting angle of the edge 4 is 45/45, and the number of V-shaped openings is 0. Where 45/45 are two 45 degrees separated by a "/" symbol, representing the cut angle at the ends of the edge.
The connection between each edge in the fillet weld is shown in table 4.3.
TABLE 4.3 connection relationship table for four-corner welding structure
The connection relation of the structure is as follows: edge 1 is connected with edge 2 in 45/45, edge 1 is connected with edge 4 in 45/45; side 2 is connected with side 1 in 45/45, side 2 is connected with side 3 in 45/45; side 3 is connected with side 2 in 45/45, side 3 is connected with side 4 in 45/45; edge 4 is connected to edge 1 in 45/45, and edge 4 is connected to edge 3 in 45/45.
As shown in fig. 5, a typical structure that hexagonal welding can weld is adopted, and there are two typical structures that hexagonal welding is often adopted for welding, which are respectively a square shape as shown in fig. 5(a) and a rectangular shape as shown in fig. 5 (b). The difference between the two structures is that 4.4(a) has one fewer stile than 4.4(b), the structure becomes 4.4(a) when 4.4(b) is reduced from the middle stile, the structure becomes 4.4(a) when 4.4(a) is added from the middle to the middle, the 4.4(a) becomes 4.4(b), in the process, the modes of adding and reducing edges between 4.4(a) and 4.4(b) can be mutually converted, and then the conversion relationship is found through specific analysis of the two structures.
Tables 4.4 and 4.5 are characteristic analyses of the two structures of fig. 5(a) and 5 (b). As can be seen from the table, the difference between the two structures is that the structure (b) has one more side with a chamfer of 270/270 and the number of V-notches is 0 than the structure (a), and the structure (b) has one more V-notch on side 2 and side 4 than the structure (a) because of one more stile side, while the same point of the two structures is that side 1 and side 3 have the same property.
The structural analysis shows that the first difference between the two figures is the difference in the number of sides between structure (a) and structure (b). The reason for the difference in the number of edges is the presence or absence of edge 5; the second difference is the difference in the number of V-ports between the side 2 and the side 4. The number of V-ports of the side 2 and the side 4 in the structure (a) is 0, and the number of V-ports of the side 2 and the side 4 in the structure (b) is 1.
Thus, it is considered that the sides 1, 2, 3 and 4 in the structure (a) and the structure (b) are equivalent, that is, at least 4 sides with the cutting angle of 45/45 and the V-shaped opening of 0 or 1 are required. The cut angle of the edge 5 is 270/270, and the welding process is different. The analysis of the connection relationship and the connection attribute of each edge in the structure is similar to that of the four-corner welding, and the analysis of the connection relationship and the connection attribute of the hexagonal welding is not performed.
TABLE 4.4 structural analysis of the fillet weld (a)
TABLE 4.5 structural analysis of the fillet weld (b)
Fig. 6 is a schematic view of an i-shaped welding structure. The structure capable of being welded by the I-shaped welding is composed of three edges, namely an edge 1, an edge 2 and an edge 3. The attribute of each edge is different between the edge 1 and the edge 3, the corner cut of the edge 1 and the edge 3 is not a fixed value but may be any variable, the corner cut of the edge 1 may be any corner cut such as 45/45, 270/270, 90/90, and the like, and similarly, the corner cut of the edge 3 may be any corner cut such as 45/45, 270/270, 90/90. This is indicated by a negative number-1 indicating that the edge may be any corner cut.
The properties of each side in the i-weld are shown in table 4.6: the cutting angle of the edge 1 is-1, the number of the V openings is 1, and the necessary degree is 2; the cutting angle of the edge 2 is 270/270, the number of V openings is 0, and the necessary degree is 1; the cutting angle of the edge 3 is-1, the number of V openings is 1, and the necessary degree is 2. The analysis of the connection relation and the connection attribute of each edge in the structure is similar to that of four-corner welding, the analysis of the connection relation and the connection attribute of I-shaped welding is not carried out, and the characteristics of the welding structure of four-position welding are not separately analyzed because the three welding modes cover the welding characteristics of four-position welding.
TABLE 4.6 analysis table for I-shaped welding target structure
By combining the analysis of the four-corner welding, the hexagonal welding and the I-shaped welding, three conditions can be obtained in the target structure of the welding process, the first condition is that only one fixed shape structure can be welded, and the attribute of each edge in the structure is a determined value; in the second case, there are various shapes and structures capable of being welded, and the attribute characteristics of each edge in each structure are determined values; in the third case, the shape structure capable of being welded is a fixed one, but the attribute characteristic value of several edges is a variable.
Besides the theoretically weldable structure, the welding process also needs to consider the actual welding condition of the welding equipment, which mainly means whether the welded shape can form a closed area. As shown in the structure of fig. 7, the I-shaped welding method can be adopted to weld three sides 2, 3 and 4 into a I1, and then four-position welding method 1 and I1 are adopted to form the whole structure. However, when four-position welding is firstly used for welding three sides 1, 2 and 3, and then I-shaped welding is used for welding 2, 3 and 4, welding cannot be carried out, because the used I-shaped welding forms a closed space after welding, gaps can not be left at the welding positions between 2, 4 and 3 after the 2, 3 and 4 are placed on a welding table, and welding of the structure cannot be finished.
Through the analysis of the three conditions, the special-shaped window and the process limiting conditions, a more generalized mode can be found to uniformly express the structure which can be processed by each welding process, the description of the structure comprises the description of each edge and the description of the connection relationship between the edges, the description of the opposite edge is completed through the description of the necessary attribute of each edge, and the description of the connection relationship between each edge is completed through the description of the relative relationship attribute between the edges. The target structure of such a welding process can be described as: for a certain welding process wp (welding process), a door window structure composed of n sides can be welded, each side is represented by a shape attribute of a window type, and the connection manner between the sides is represented by using a relative relationship attribute between the sides.
For the drawing description and the establishment of the process library of the door and window processing process of the invention: the representation of the processing technology diagram is an important link for carrying out the BOM automation of the technology, and each technology needs to be converted into the expression form of the diagram to represent the element information contained in the technology and the association relationship between the elements.
Each process can be described as an undirected graph G, which can be denoted as G ═ V, E, α, β. Where V ═ (V1, V2, …, vn) is the set of all vertices;is a collection of edges connecting vertices; v → Sigma V is the labeling function of the vertex; beta: e → Sigma E is the label function of the edge. For the mapping of the window type information to an undirected graph, V is the element set of the edge where the window type appears; e represents the connection relation among all the edges; α is attribute information on the edge; β is the set of attributes for the edge-to-edge connection.
For G ═ (V, E, α, β), each vertex V corresponds to the number of each edge, and the number of each edge appears in the figure only once and only once. For an edge E connecting two nodes in the undirected graph, when the two edges have a connection relation in the process structure diagram, the last edge is established between the vertexes representing the two edges in the undirected graph. The marking function of the vertex is alpha and consists of a window type attribute set. The label function for an edge is β is the set of attributes on the edge. The following describes a process for analyzing a diagram of a process structure by taking a fillet weld as an example.
As shown in fig. 8, which is a schematic diagram illustrating a process diagram of the four-corner welding, an undirected graph as shown in fig. 8(b) can be established according to the analysis of the structure diagram of the four-corner welding target shown in fig. 8(a), the analysis table of the four-corner welding structure shown in table 4.2, and the connection relationship table of the four-corner welding structure shown in table 4.3. Wherein vertices 1, 2, 3, 4 in fig. 8(b) correspond to edges 1, 2, 3, 4 in fig. 8(a), respectively, the function α of the vertex in fig. 8(b) corresponds to the attribute feature of the corresponding edge in fig. 8(a), for example, α 1 of vertex 1 in fig. 8(b) corresponds to the attribute of edge 1 in fig. 8(a), and the function β of the edge in fig. 8(b) corresponds to the connection relationship with the edge in fig. 8 (a).
The invention relates to automatic generation of a door and window process BOM, which can specifically adopt door and window CAD graphic element connection relation analysis and extraction.
As shown in the structural diagram of the window-type outline border of fig. 9, the numbers 1, 2, 3, 4, 5, and 6 in the diagram are numbers of each side, and each CAD figure is composed of a plurality of different line segments and constraints. When the window-type structure is analyzed, the aim is to obtain the connection relation between every two lines and find out whether the connection relation exists between the lines or not. The connection between wires can be divided into two categories: one type of connection is that the connection between lines is realized by connecting the end point of one line with the end point of another line, such as 1 and 2, 2 and 3, 3 and 4, and 4 and 1 in fig. 9; another type of connection is that line-to-line connections are made by way of the endpoints of one line being on another line, such as 4 and 5, 5 and 6, 6 and 1 in fig. 9.
The expression for the first type of join in CAD is to express the end points of one line segment on another line segment by adding the constraint PointOnObject. So when analyzing this type of connection, it can be realized by extracting all pointonoobject constraints in the CAD graph. The description of the constraint PointOnObject in CAD is realized by a triplet parameter (segment L1 number, segment L1 endpoint number, segment L2 number). The connection relationship between the line segments L1 and L2 is obtained by obtaining the numbers of L1 and L2 in the triplet parameters.
For the second type of connection, the connection relationship between lines is expressed by connecting end points with end points. When analyzing such a connection relationship, the coordinates (x, y, z) of the end point of each line are extracted, and the position of each line segment is obtained to determine the connection relationship between the lines. According to the analysis of geometric element parameters in the CAD in the section of building the door and window parametric model in the third chapter, the expression of a line segment in the CAD needs two parameters of a starting point and an end point to realize the expression of the line segment, wherein the numerical types of the starting point and the end point are vectors, the coordinate representation of the vectors corresponds to the coordinates of the starting point and the end point, and thus the coordinates (x, y, z) of the starting point and the end point of the line segment are obtained through the coordinate representation (x, y, z) of the vectors of the starting point and the end point.
After the coordinates of the starting point and the end point of each line segment are obtained, each coordinate point can be mapped into the undirected graph G to realize the analysis of the connection relation between the line segments. An undirected graph G ═ V, E, β, where V is the set of vertices, the start and end points of each line segment; e is an edge set of the undirected graph, and when two vertexes in the undirected graph are two endpoints of a line segment, an edge is added between the two vertexes of the undirected graph; β is a function of the edge E and indicates the number of the line segment corresponding to each edge.
As shown in fig. 10, the undirected graph of the CAD structure is shown in fig. 10(a), where 1, 2, 3, and 4 are the numbers of each edge, each triple is the coordinate of the corresponding vertex, and fig. 10(b) is the undirected graph corresponding to fig. 10(a), where each vertex in the undirected graph corresponds to the coordinate of the end point of the line segment in the CAD graph. The number of line segments connected with each vertex can be obtained by calculating the degree of each vertex in the undirected graph, the edges connected with each vertex are calculated, and the connection relation between the line segments in the CAD graph is obtained through the function beta corresponding to each edge.
The door and window type of the invention is described by the following figures: the conversion of the window information into an undirected graph is an important process for data processing and automatic BOM generation of a computer. Each window type CAD drawing and the window type attribute information thereof are converted into an undirected graph to represent the attributes contained in the window type and the relationship between the attributes. For a window type comprising a plurality of components such as outer frames and inner fans, it is very difficult to describe the outer frames and the inner fans in an undirected graph, and it is easier to describe each outer frame and inner fan by dividing it into separate undirected graphs G, so that the window type is expressed by dividing the outer frame and inner fan of the window type.
The description of an undirected graph G of an outer frame or an inner fan mainly comprises two contents, namely the description of the content of a window type structure on one hand and the description of the content of a window type attribute on the other hand. The description of the window structure is a framework of the whole undirected graph, including the construction of the vertex and the edge of the undirected graph, and the description of the window attribute is presented as a description function of the vertex and the edge of the undirected graph. According to the analysis result of the CAD graph structure and the definition of the window type attribute, the undirected graph G of the window type outline can be represented as:
g ═ V, E, α, β. Where V ═ (V1, V2, …, vn) is the set of all vertices; is the edge connecting the vertices; v → Sigma V is the labeling function of the vertex; beta: e → Sigma E is the label function of the edge. For the mapping of the window type information to an undirected graph, V is the element set of the edge where the window type appears; e represents the connection relation among all the edges; α is attribute information on the edge; β is the set of attributes for the edge-to-edge connection.
As shown in fig. 11, fig. 11(b) is a non-directional representation of the structure of fig. 11 (a). Wherein the vertex set V corresponds to a line segment number in the windowed CAD structure; the set of the undirected graph edge E is a set of the connection relation between line segments in the CAD structure; alpha is a marking function of a vertex in the undirected graph; beta is the label function of the edge in the undirected graph.
The automatic process of the BOM is realized by matching the undirected graph with the structure of the processing technology through the window type structure. The process target structure and the door and window structure are expressed in an undirected graph mode, a matching traversal algorithm which takes the sign functions of vertexes and edges as matching conditions between the undirected graph and the undirected graph is designed, and automatic BOM creation is achieved. Firstly, a processing structure undirected graph of a process is established according to the structure shapes which can be processed by different devices corresponding to different processes in a door and window enterprise, then the window type structure undirected graph is divided and combined to be compared and matched with each edge in the process undirected graph until all edges of the window type structure undirected graph are matched, and thus the whole BOM automation process is completed.
When a window type is newly built, the window type structure diagram can be converted into an undirected graph of a window type connection relation according to the window type structure, then attribute information of the window type, such as a corner cut, a V opening and the like, is extracted to add a mark function of a vertex and an edge to the undirected graph of the window type association relation, and after the construction of the window type undirected graph is completed, a processing process sequence can be set for the window type.
In order to realize the direct drive of the ERP system to the automation equipment, the system can generate numerical control codes required by the automation equipment. In order to generate the numerical control code, a machining characteristic value required by the equipment is extracted. The technical BOM is a data source for directly guiding production, but only the lowest raw material level in the technical BOM is a product with product attributes, so that the middleware product has no attributes when the middleware is processed, and the attributes of the middleware product are obtained by combining and transmitting the raw material attributes of the lowest layer to meet the requirements of generating numerical control codes if the characteristic values required by processing are obtained through the product attributes of the middleware.
The analysis of the characteristic value of the door and window processing technology mainly supports automatic equipment including a sawing processing center, a four-corner welding and a hexagonal welding, and the required product attributes are shown in a table 4.7:
TABLE 4.7 device required Properties Table
From the above table, it can be seen that the processing characteristic values required by the sawing center are length, V-notch position, V-notch depth and cutting angle; the characteristic values of the processing technology required by the four-corner welding are length and width; and the characteristic values of the machining process required for the hexagonal welding are length, width and V-shaped opening position.
From the above analysis, it can be seen that in the processing of the automated equipment, the required attributes mainly include: the automatic numerical control machining system comprises a machine body, a machining center, a machining.
Based on the above manner, the present invention is further described by taking the attribute delivery of the BOM tree as an example, but not limited to using the BOM tree. The attribute transmission of the BOM tree is realized by traversing the BOM tree, the attribute of the bottom raw material is transmitted upwards through the traversal algorithm of the BOM tree, and the BOM tree is traversed by selecting the BOM tree hierarchical traversal algorithm with the width priority in the analysis and comparison of the traversal algorithm of the BOM tree in the third section of the second chapter.
In the design of the BOM tree traversal algorithm, two main problems are faced: first, since the bottom product is the product having the attribute in the BOM tree, traversing from the bottom to the top layer is necessary to implement the attribute transfer, and thus, multiple traversals of the BOM tree are implemented by using the bottom product as the top layer. As shown in FIG. 12, which is a directed graph of a BOM tree, the general traversal of the BOM tree is A → B, C, D → E, F, G and the traversal from bottom to top in this section becomes E → B, C → A, F → C → A, G → D → A performing three traversal from bottom to top; second, the problem of parent node repeated addition in the traversal process, for example, in the traversal of E → B, C → a, when the parent nodes a of B and C are found and added to a list, the node a appears twice in the list, and when the node repeatedly appears, the attribute is repeatedly transmitted to the repeated node, which causes the redundancy of the attribute.
In the design of the BOM tree traversal algorithm, two main problems are faced: first, since the bottom product is the product having the attribute in the BOM tree, traversing from the bottom to the top layer is necessary to implement the attribute transfer, and thus, multiple traversals of the BOM tree are implemented by using the bottom product as the top layer. As shown in FIG. 12, which is a directed graph of a BOM tree, the general traversal of the BOM tree is A → B, C, D → E, F, G and the traversal from bottom to top in this section becomes E → B, C → A, F → C → A, G → D → A performing three traversal from bottom to top; second, the problem of parent node repeated addition in the traversal process, for example, in the traversal of E → B, C → a, when the parent nodes a of B and C are found and added to a list, the node a appears twice in the list, and when the node repeatedly appears, the attribute is repeatedly transmitted to the repeated node, which causes the redundancy of the attribute. The process of the traversal algorithm is shown as the flowchart of the traversal algorithm in FIG. 13.
In the BOM automation process, firstly, the door and window processing technology is analyzed, starting from a typical processing structure which can be processed by the processing technology, the processing structure is analyzed to find two aspects of processing structure graphs and door and window attribute information, the attribute of the necessity degree of the processing structure side is provided for finding a more generalized description mode of the processing structure of the technology, the graph information and the door and window attribute information of the processing structure are mapped into an undirected graph by means of the undirected graph, and a structure graph library of the processing technology is established in the mode; analyzing the graph structure of the door and window, wherein the door and window graph comprises two parts of door and window structure information and door and window attribute information, mapping the door and window structure into an undirected graph, finding the connection relation between edges from the graph information, and establishing an undirected graph representation mode of the door and window graph by combining the connection relation and the window attribute information; by matching the machining process structure undirected graph with the door and window structure undirected graph, the automatic generation of the door and window process BOM can be realized.
In the automatic extraction process of the characteristic value of the door and window processing technology, the product attribute can be transferred from bottom to top through the traversal algorithm of the BOM tree, the extraction of the characteristic value of the processing technology is realized, and then the numerical control code required by the processing is automatically generated, and the automation of the processing is realized.
The invention also provides an undirected graph automatic generation system of a door and window manufacturing BOM, as shown in FIG. 14, comprising: the system comprises a door and window information acquisition module 1, a door and window new conversion module 2 and a door and window information matching execution module 3;
the door and window information acquisition module 1 is used for providing a door and window information input/output operation port, enabling a user to input or edit door and window information to be processed, and storing and processing the door and window information
The door and window new conversion module 2 is used for extracting and analyzing the door and window information element information and the connection relation between the door and window information elements according to the preset element information of the door and window, and extracting and analyzing window type information and converting the window type information into door and window undirected graph data;
the door and window information matching execution module 3 is used for matching door and window undirected graph data with a processing technology structure undirected graph in a technology target structure diagram library; judging whether the edge of the door and window undirected graph data is completely matched with the edge of the processing technology structure undirected graph; if the matching is complete, ending; if not, returning to the third step to continue the execution until the matching is complete.
The system further comprises: a door and window processing technology undirected graph definition module;
the door and window processing technology undirected graph definition module is used for defining an undirected graph G of a door and window processing technology;
undirected graph G is denoted as G ═ V, E, α, β.
The system further comprises: a process target structure diagram library establishing module; a user configures the structural shape of a door and a window to the system through the door and window information acquisition module, and establishes a door and window processing technology according to the structural shape of the door and the window; and the process target structure diagram library establishing module is used for establishing the processing process structure undirected graph into a process target structure diagram library.
The system further comprises: a door and window undirected graph data adding module;
the door and window information matching execution module is also used for returning to continuous matching if the matching is not completed, and the door and window information matching execution module is not yet completed matched until the matching times are reached; sending out an incomplete matching prompt;
the door and window undirected graph data adding module is used for acquiring a door and window processing technology of the door and window undirected graph data which are not completely matched according to the door and window undirected graph data which are not completely matched currently;
configuring the processing technology structure undirected graph which is not completely matched with the door and window undirected graph data according to the door and window processing technology;
and adding the processing technology structure undirected graph to a technology target structure gallery.
The invention also provides a terminal for realizing the undirected graph generation method for manufacturing the BOM by the doors and the windows, which comprises the following steps:
a memory for storing a computer program and an undirected graph generation method of a BOM for door and window manufacturing;
and the processor is used for executing the computer program and the undirected graph generation method of the BOM for door and window manufacturing so as to realize the steps of the undirected graph generation method of the BOM for door and window manufacturing.
The present invention also provides a computer-readable storage medium having a door and window manufacturing BOM undirected graph generation method, the computer-readable storage medium having a computer program stored thereon, the computer program being executable by a processor to implement the steps of the door and window manufacturing BOM undirected graph generation method.
The techniques described herein may be implemented in hardware, software, firmware, or any combination thereof. Various features are described as modules, units or components that may be implemented together in an integrated logic device or separately as discrete but interoperable logic devices or other hardware devices. In some cases, various features of an electronic circuit may be implemented as one or more integrated circuit devices, such as an integrated circuit chip or chipset.
The computer program product of the computer readable medium may form part of, which may include, packaging materials. The computer readable medium of data may include computer storage media such as Random Access Memory (RAM), Read Only Memory (ROM), non-volatile random access memory (NVRAM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory, magnetic or optical data storage media, and the like. In some embodiments, an article of manufacture may comprise one or more computer-readable storage media.
The code or instructions may be software and/or firmware executed by processing circuitry including one or more processors, such as one or more Digital Signal Processors (DSPs), general purpose microprocessors, Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs), or other equivalent integrated or discrete logic circuitry. Thus, the term "processor," as used herein, may refer to any of the foregoing structure or any other structure more suitable for implementing the techniques described herein. In addition, in some aspects, the functionality described in this disclosure may be provided in software modules and hardware modules.
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 (10)
1. A door and window manufacture BOM undirected graph generation method is characterized by comprising the following steps:
step one, door and window information is obtained;
step two, converting the door and window information into door and window undirected graph data;
step three, matching the door and window undirected graph data with the processing technology structure undirected graph in the technology target structure diagram library;
step four, judging whether the edge of the door and window undirected graph data is completely matched with the edge of the processing technology structure undirected graph;
if the matching is complete, ending;
if not, returning to the third step to continue the execution until the matching is complete.
2. The method for generating an undirected graph of BOM for window and door manufacture of claim 1,
the first step also comprises the following steps:
defining an undirected graph G of a door and window processing technology;
undirected graph G is denoted G ═ V, E, α, β;
wherein V ═ V (V)1,v2,…,vn) Is the set of all vertices;
is a collection of edges connecting vertices;
v → Sigma V is the labeling function of the vertex;
beta: e → Sigma E is the label function of the edge;
for the mapping of the window type information to an undirected graph, V is the set of elements of the edge where the window type appears;
e represents the connection relation among all the edges;
α is attribute information on the edge;
beta is the attribute set of the edge-to-edge connection mode;
for G ═ (V, E, α, β), each vertex V corresponds to the number of each edge, and the number of each edge is and can only appear once in undirected graph G;
for an edge E connecting two nodes in the undirected graph G, when the two edges have a connection relation in the process structure diagram, establishing an edge between vertexes representing the two edges in the undirected graph;
wherein the marking function of the vertex is alpha and consists of a window type attribute set;
the label function for an edge is β is the set of attributes on the edge.
3. The method for generating the undirected graph of BOM for door and window manufacture according to claim 1 or 2, wherein the first step further comprises:
acquiring the structural shape of a door and window, and establishing a door and window processing technology according to the structural shape of the door and window;
configuring a processing technology structure undirected graph according to a door and window processing technology;
and establishing a process structure undirected graph into a process target structure graph library.
4. The method for generating the undirected graph of BOM manufactured by the doors and windows of claim 1 or 2, wherein the fourth step further comprises:
if not, returning to the third step to continue the execution until the matching times are reached and the matching is not completely performed;
sending out an incomplete matching prompt;
acquiring a door and window processing technology of the door and window undirected graph data which are not completely matched according to the door and window undirected graph data which are not completely matched currently;
configuring the processing technology structure undirected graph which is not completely matched with the door and window undirected graph data according to the door and window processing technology;
and adding the processing technology structure undirected graph to a technology target structure gallery.
5. An undirected graph automatic generation system of a BOM for door and window manufacturing, comprising: the system comprises a door and window information acquisition module, a door and window new conversion module and a door and window information matching execution module;
the door and window information acquisition module is used for providing a door and window information input/output operation port, enabling a user to input or edit door and window information to be processed, and storing and processing the door and window information
The new door and window conversion module is used for extracting and analyzing the door and window information element information and the connection relation between the door and window information elements according to the preset element information of the door and window, and extracting and analyzing window type information and converting the window type information into door and window undirected graph data;
the door and window information matching execution module is used for matching door and window undirected graph data with a processing technology structure undirected graph in a technology target structure diagram library; judging whether the edge of the door and window undirected graph data is completely matched with the edge of the processing technology structure undirected graph;
if the matching is complete, ending; if not, returning to the third step to continue the execution until the matching is complete.
6. The system for automatically generating an undirected graph of BOM for window and door manufacture of claim 5,
further comprising: a door and window processing technology undirected graph definition module;
the door and window processing technology undirected graph definition module is used for defining an undirected graph G of a door and window processing technology;
undirected graph G is denoted as G ═ V, E, α, β.
7. The system for automatically generating an undirected graph of BOM for door and window manufacture according to claim 5 or 6,
further comprising: a process target structure diagram library establishing module;
a user configures the structural shape of a door and a window to the system through the door and window information acquisition module, and establishes a door and window processing technology according to the structural shape of the door and the window;
and the process target structure diagram library establishing module is used for establishing the processing process structure undirected graph into a process target structure diagram library.
8. The system for automatically generating an undirected graph of BOM for door and window manufacture according to claim 5 or 6,
further comprising: a door and window undirected graph data adding module;
the door and window information matching execution module is also used for returning to continuous matching if the matching is not completed, and the door and window information matching execution module is not yet completed matched until the matching times are reached; sending out an incomplete matching prompt;
the door and window undirected graph data adding module is used for acquiring a door and window processing technology of the door and window undirected graph data which are not completely matched according to the door and window undirected graph data which are not completely matched currently;
configuring the processing technology structure undirected graph which is not completely matched with the door and window undirected graph data according to the door and window processing technology;
and adding the processing technology structure undirected graph to a technology target structure gallery.
9. A terminal for realizing an undirected graph generation method of a BOM for manufacturing doors and windows is characterized by comprising the following steps:
a memory for storing a computer program and an undirected graph generation method of a BOM for door and window manufacturing;
a processor for executing the computer program and the method for generating an undirected graph of a fenestration BOM to implement the steps of the method for generating an undirected graph of a fenestration BOM according to any one of claims 1 to 4.
10. A computer-readable storage medium having a door and window manufacturing BOM undirected graph generation method, wherein the computer-readable storage medium has a computer program stored thereon, the computer program being executable by a processor to perform the steps of the door and window manufacturing BOM undirected graph generation method of any one of claims 1 to 4.
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