CN114932987B

CN114932987B - Automatic ship plate nesting realization method and automatic nesting platform for SPD system

Info

Publication number: CN114932987B
Application number: CN202210072671.3A
Authority: CN
Inventors: 王素清; 沈伟; 马彦军; 宋建伟; 许蓉
Original assignee: Shanghai Dongxin Software Engineering Co ltd
Current assignee: Shanghai Dongxin Software Engineering Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2024-04-16
Anticipated expiration: 2042-01-21
Also published as: CN114932987A

Abstract

The invention discloses a ship body plate automatic nesting service implementation method for an SPD system, which comprises the following steps: automatic trepanning model construction, automatic trepanning interactive graph construction, automatic trepanning configuration information construction, automatic trepanning business construction and automatic trepanning information extraction processes; the automatic nesting interactive platform framework comprises a data layer, an interface layer, an intermediate layer and an application layer, and comprises a ship plate part pre-nesting model, a ship plate part real-nesting model, nesting plate information and part information on the nesting plate. According to the automatic nesting realization method and the platform, an interactive visual platform is provided for automatic nesting in the nesting stage of the SPD hull plate parts, the nesting results of the nesting plates and the nesting parts of the automatic nesting are effectively displayed, multi-plate interactive nesting is realized, finally, a special nesting data file for the SPD is extracted, and an initial nesting data file is provided for the generation of subsequent SPD interactive nesting and cutting plate diagrams and the generation of cutting instructions.

Description

Automatic ship plate nesting realization method and automatic nesting platform for SPD system

Technical Field

The invention relates to a ship construction digital technology, in particular to a ship plate automatic nesting realization method for an SPD system and a ship plate automatic nesting platform.

Background

In the field of hull construction, hull trepanning software has been developed at a high speed in recent years, and various manufacturers at home and abroad use automatic trepanning software and interactive trepanning software to realize the generation of trepanning and cutting instructions of hull plate parts, so as to accelerate the data process of ship construction.

Currently, the commercially widely used trepanning software includes CadWin, sigmaNest, alma, AVEVA, SPD and the like. The CadWin, sigamaNest and alma software realize the combination of automatic nesting service and manual interaction nesting service, and the AVEVA and SPD software adopts the interaction nesting mode. Wherein, except SPD is domestic software with independent intellectual property rights, the rest software belongs to foreign software. Along with the great popularization and application of SPD software in domestic shipyards, the shipyards applying the SPD basically introduce foreign automatic nesting software to make up for the service deficiency. However, due to the adoption of different systems, data conversion and data maintenance are required, and the problems of part data loss and part groove information error often occur. In addition, repeated conversion of trepanning data is caused by part design changes (materials, shapes, channels and the like), and comparison information cannot be provided and updated automatically effectively, so that the labor workload is increased. In addition, because the whole material and the residual material warehouse are designed and are required to be updated and managed continuously, the phenomena that a material sleeving plate cannot be found after a material sleeving command is issued due to information lag are avoided.

The SPD is domestic industrial software for hull design and construction, wherein an interactive nesting module of the SPD is widely applied to a plurality of shipyards, and mainly achieves functions of hull structural part generation, interactive nesting, nesting plate diagram generation, nesting plate cutting instruction generation and the like. With the development of IT technology and the development of Internet of things technology, the automatic nesting of SDP has become a business function module needed urgently for hull construction design, so as to improve data accuracy, reduce information loss in the data conversion process and improve work efficiency.

Disclosure of Invention

The invention provides a ship plate automatic nesting method and a ship plate automatic nesting platform for an SPD system, which aims to solve the defects that automatic nesting cannot be realized by current SPD software and good compatibility cannot be realized by current automatic nesting software. The automatic nesting method and the automatic nesting platform for the ship plate can realize the automatic nesting module service of the SPD system, provide a solution for the automatic nesting service for shipyard ship building design, and improve the integrity of the nesting service module of the SPD system. Based on the above, the technical problems to be solved by the invention mainly include the following points: 1) Building a ship body part automatic nesting model; 2) Building a ship body plate automatic nesting model; 3) And constructing a ship body display interaction platform.

In order to achieve the above object, the present invention provides the following technical solutions:

the method is used for establishing an automatic nesting service module in the SPD system, realizing the conversion construction from an SPD hull structure part library to an automatic nesting part model, realizing the conversion construction from SPD material arranging and surplus materials to an automatic nesting plate model, realizing the construction of an automatic nesting layout model, realizing the interactive setting of configuration information of an automatic nesting algorithm, realizing the construction of an automatic nesting interactive platform, and realizing the extraction service of automatic nesting information of the hull plate, wherein the automatic nesting service module is in butt joint with the interactive nesting service module to interactively extract a nesting plate data file, and the method comprises the following realization steps:

firstly, constructing an SPD automatic nesting part model, wherein the SPD automatic nesting part model is divided into three parts of attribute information, geometric information and automatic nesting model link information;

secondly, an SPD automatic nesting material plate model is constructed, and the SPD automatic nesting material plate model is divided into three parts, namely attribute information, geometric information and automatic nesting material model link information;

Thirdly, an SPD automatic nesting layout model is constructed, and the SPD automatic nesting layout model is divided into: attribute information, geometric information and automatic trepanning model link information;

fourthly, an automatic nesting service is constructed, SPD automatic nesting interaction configuration parameters are designed, and the automatic nesting service comprises an automatic nesting pre-nesting service and an automatic nesting real-nesting service;

fifthly, constructing an SPD automatic nesting interaction platform;

and sixthly, realizing an SPD automatic nesting service function, extracting automatic nesting information, wherein the automatic nesting information comprises nesting plate information and part information on a nesting plate, naming the nesting plate number, screening nesting plate data, and guiding out a nesting plate data file, and the nesting plate data file is interacted with an interactive nesting service module in the SPD system.

In the first step, the attribute information of the SPD automatic nesting part model comprises a part ID number, a ship number, a segment number, a part inner code, a material, a thickness, a number, a port and starboard sign, a lane, a processing code and a flow direction code; the geometric information of the SPD automatic nesting part model comprises a part original framework surface contour, a part contour range, a geometric contour of a part after shifting to a first quadrant of a coordinate system, a shifting two-dimensional vector, a geometric contour of a fourth quadrant after turning, a part groove contour and a part positioning base point; when the part is positioned on the graphic platform, creating a specific part graphic on the graphic platform according to the positioning base point, whether the part turns over, the rotation angle, the geometric profile spline of the part in the first quadrant and the geometric profile spline of the part in the fourth quadrant; the SPD automatic nesting part model link information comprises a positioning starting point on a nesting plate, whether the nesting plate turns over, a rotation angle, a nesting plate ID number and a nesting layout ID number.

In the second step, the SPD automatic nesting plate model is divided into three parts, namely attribute information, geometric information and automatic nesting model link information; the SPD automatic nesting plate model attribute information comprises: the material sheathing ID, the sheathing board number, the material remaining code, the material, the board thickness, the size, the quotation name, the number, the lane, the mirror image and the material code; the geometric information of the SPD automatic nesting plate model comprises a positioning base point, a nesting plate original contour, a nesting plate first quadrant contour and a nesting plate offset two-dimensional vector on a graphic platform; when the nesting plate is positioned on the graphic platform, creating a specific nesting figure on the graphic platform according to the positioning base point and the first quadrant contour spline of the nesting plate; the SPD automatic nesting plate model link information comprises a nesting layout ID number and part information on the nesting plate, wherein the part information comprises a part ID number, whether a user turns over, a rotation angle and a positioning starting point coordinate of the part on the nesting plate.

In the third step, the SPD automatic nesting layout model is divided into: attribute information, geometric information and automatic nesting model link information, wherein the SPD automatic nesting layout model attribute information comprises materials, plate thickness and lane; the geometric information of the SPD automatic nesting layout model comprises positioning base points, layout contour splines and layout identification information on a graphic platform; the link information of the SPD automatic nesting layout model comprises a nesting plate positioning initial position, a nesting plate layout height, a part positioning initial position, a part layout height, a part ID number list and a nesting plate ID number list.

In the fourth step, the automatic nesting pre-nesting service refers to an automatic nesting layout algorithm according to a part model and a layout model and given nesting configuration information, and derives an automatic nesting pre-estimated nesting plate so as to realize the display and interaction of the pre-estimated nesting layout template; the interplate information service extraction comprises the following steps: the method comprises the steps of naming a trepanning plate number, screening trepanning plate data, guiding out trepanning plate data files, wherein the guided trepanning plate comprises a monolithic plate and a residual flitch, the trepanning plate data files are directly delivered to an SPD interactive trepanning system for application, and preliminary trepanning results are extracted for trepanning graph generation and trepanning plate cutting instruction generation.

In the fifth step, the framework structure of the automatic jacking interaction platform comprises a data layer, an interface layer, an intermediate layer and an application layer,

the data layer comprises input data, interaction data and output data, and the interface layer is provided with a reading interface for structural data, a reading and writing interface for trepanning model data, a reference interface for an automatic trepanning algorithm, a setting interface for unified graphics data of trepanning graphics and trepanning models and a exporting interface for a trepanning plate;

the middle layer realizes the conversion management of a data layer of the SPD construction system and a data layer of the SPD automatic nesting; realizing the link relation management between the trepanning models; realizing conversion management between trepanning model data and graphic data;

The application layer realizes the service interaction function of the user, and the interaction function comprises the following steps: model management, part preparation, whole board preparation, remainder preparation, configuration information, display layout, automatic nesting and nesting information extraction.

In the sixth step, the process of extracting the automatic jacking information comprises the following steps:

801. initializing an automatic nesting environment of the ship plate, and carrying out uniform processing on graphic data in a nesting graphic platform and nesting model data to realize the construction of a visual management platform of an exchange object;

802. modeling a nesting object, wherein the nesting object comprises a part object, a whole plate object and a remainder object, and the nesting part modeling, the nesting whole plate modeling and the nesting remainder modeling are respectively carried out;

803. displaying layout modeling, managing the display position of a nesting model of a graphic platform, distributing and placing parts in a part area corresponding to the layout model, placing a monolith and a remainder in a nesting plate area corresponding to the layout model, refreshing the part model and the nesting plate model, drawing updated graphic information, and adjusting and matching the link relation between the corresponding models;

804. automatic nesting configuration, namely, configuring the conditions of a layout algorithm according to an automatic nesting algorithm, wherein the automatic nesting configuration is divided into two types, namely basic configuration and plate configuration, wherein the basic configuration is used for configuring a mode of controlling part placement during the automatic nesting algorithm, the plate configuration is used for configuring a utilization mode of nesting plates, pre-nesting is carried out according to a standard plate gauge and a step length, and real nesting is carried out according to an actual plate gauge, and the actual plate gauge comprises a whole plate and surplus materials; the pre-sleeving configuration information is used for pre-estimating the steel plates before ordering, and the real-sleeving configuration information is used for automatic sleeving after ordering the steel plates;

805. Automatic nesting is carried out, and classification services of automatic nesting service are realized, wherein the classification services comprise a pre-nesting service, a real-nesting service, a local expansion service, a local compression service, a local pre-nesting service and a local real-nesting service, nesting configuration information is selected according to different automatic nesting services, model data are classified according to different services, and an automatic layout data object is formed; according to different services, selecting an automatic layout algorithm, calling a corresponding automatic layout algorithm by a jacking layout algorithm interface according to the provided layout data object and jacking configuration conditions, performing automatic layout calculation, and generating automatic layout result data; updating an automatic nesting model according to an automatic layout result, realizing the generation of a pre-nesting plate, the creation of a linking relation among the nesting plate, the parts and the layout model, updating the graphic positioning data of the nesting plate model and the graphic positioning and rotating state data of the part model, realizing the creation and updating of the interactive data of a graphic platform, and displaying the graphic data of the nesting result;

806. the SPD automatic trepanning information is extracted, seamless transfer of data between the SPD automatic trepanning module and the SPD interactive trepanning module is achieved, an initialized trepanning data file is provided for SPD interactive trepanning, a trepanning plate model list of trepanning is obtained through reading an automatic trepanning model library, after a user selects a trepanning plate model needing to be extracted, trepanning plate model data and part model data on the trepanning plate are extracted, the acquired trepanning plate model data and the part model data on the trepanning plate are converted into graphic positioning data and rotation angle data, an interactive trepanning data file is generated, and the SPD interactive trepanning module performs interactive trepanning, drawing line addition, cutting instruction generation and trepanning image generation business work according to the interactive trepanning data file.

An automatic nesting platform for a ship body plate of an SPD system, the framework structure of the automatic nesting interaction platform comprises a data layer, an interface layer, an intermediate layer and an application layer,

the data layer comprises input data, interaction data and output data,

the interface layer comprises a reading interface of structural data, a reading and writing interface of trepanning model data, a reference interface of an automatic trepanning algorithm, a graphical data setting interface unified with trepanning graphics and trepanning models and a exporting interface of a trepanning plate;

the middle layer realizes the conversion management of a data layer of the SPD building system and a data layer of the SPD automatic nesting, realizes the link relation management between nesting models, and realizes the conversion management between nesting model data and graphic data;

the application layer realizes the business interaction function of the user, and the interaction function comprises model management, part preparation, whole board preparation, remainder preparation, configuration information, display layout, automatic nesting and nesting information extraction.

In the automatic ship plate nesting platform for the SPD system, input data in the data layer comprises an externally obtained part library, a residual stock library and a material arranging library, wherein the part library is a ship body building part library in the SPD system, the residual stock library is a SPD plate residual stock defining library, the material arranging library is an SPD unit material pre-estimated list, the interactive data comprises configuration information data, a nesting model library and a graphic database, the configuration information data is precondition information required to be defined when the ship plate is automatically nested, a nesting part model, a nesting plate model and a nesting layout model are stored in the nesting model library, the nesting part model, the nesting plate model and the nesting layout model are object models of nesting, the graphic database corresponds to the nesting model library and comprises a nesting part graphic, a nesting plate graphic and a nesting layout graphic, and the nesting part graphic, the nesting plate graphic and the nesting layout are interactive objects of the nesting.

In the automatic nesting platform for the hull plate of the SPD system, in the interface layer, the reading interface of the structural data respectively reads parts, surplus materials and materials in the parts library, the surplus materials library and the material arranging library in the data layer, so that the automatic nesting platform adopts a data source unified with the SPD system, and meanwhile, the interface is convenient to transplant and the data conversion mode is increased;

the reading and writing interface of the trepanning model data is used for reading and writing configuration information data and a trepanning model, so that the storage and modification of a part model, a clout model, a material arranging model and a layout model in a trepanning model library in a data layer are realized, and the setting, the storage and the modification of automatic trepanning configuration information data are realized;

the reference interface of the automatic nesting algorithm refers to the automatic layout algorithm, different nesting algorithms are connected to meet different nesting requirements, and the automatic layout algorithm based on the different nesting algorithms is also various, belongs to the prior art, for example, the automatic layout algorithm of the university of south China theory is called when in use;

the unified graphic data setting interface of the nesting graphic and the nesting model realizes the creation, deletion and modification of the nesting graphic data and meets the graphic data requirement of an interactive platform;

The data format required by the interactive trepanning of the SPD hull building system is generated by exporting the current trepanning plate data through the export interface of the trepanning plate and is used for generating subsequent trepanning cutting instructions and trepanning layout

In the automatic nesting platform for the hull plate of the SPD system, in the middle layer, the conversion management of a data layer of the SPD system and a data layer of the SPD automatic nesting comprises the data conversion from a hull building part library of the hull building system to an automatic nesting part model, the data conversion from a residual stock library of the hull building system to a residual stock model of the automatic nesting, and the data conversion from a unit material pre-estimated unidirectional automatic nesting material arranging model of the hull building system;

the link relation management between the trepanning models mainly comprises the link relation between the trepanning plates and the trepanning parts, the link relation between the trepanning plates and the trepanning layout, the link relation between the parts and the trepanning layout, and the data conversion and the addition, deletion and modification treatment of the link relation;

the conversion management between the trepanning model data and the graphic data comprises conversion management between a part model and a part graphic, conversion management between a trepanning plate model and a trepanning graphic and conversion management between a layout model and a layout graphic, so that interactive corresponding relation between the model and the graphic is realized, the graphic data is created according to the model data, and the model data is changed according to the graphic data.

In the automatic nesting platform for the hull plate of the SPD system, in the application layer, the model management is used for consistency check of model data and graphic platform data, so that validity update of interactive data is realized, cleaning of model files is realized, and a positioning and storing function of a model in a graphic visual area is realized;

the parts are prepared to realize the parts reading and the automatic nesting part model conversion in a ship body construction part library of the SPD system, the automatic nesting part model pattern creation is carried out, the part model and the part pattern deletion, updating and modification are carried out, and the interactive functions including the movement of the part pattern are realized.

The whole board is prepared to realize the acquisition of a material estimated sheet and the conversion of a whole board model in an SPD construction system, the graphic creation of the whole board model and the deletion, update and modification of the whole board model and the whole board graphic; realizing interactive functions including movement of the whole board graph;

the method comprises the steps that the clout preparation realizes reading of material clout and conversion of clout models in an SPD construction system, realizes graphic creation of the clout models, realizes deletion, update and modification of the clout models and clout graphs, and realizes interactive functions including movement of the clout graphs;

The configuration information realizes the setting and management of the precondition of the layout algorithm in automatic nesting, forms a general setting standard for automatic nesting selection and adjustment, and is stored in a configuration information file to be used as configuration information data, wherein the configuration information comprises an automatic nesting configuration code ID, a configuration description, an automatic layout mode, whether mirror images can be carried out, part gaps, part and plate gaps, whether parts turn over, whether small parts are allowed to be sleeved, the maximum part number on a part plate, point coordinate precision control, angle coordinate precision control, a motherboard acquisition mode, a transverse step length, a longitudinal step length, a standard board gauge, a minimum board gauge and a maximum board gauge, and whether contours are automatically reduced according to nesting plates;

the display layout realizes automatic grouping of the part model, the whole plate model and the excess material model, the part model, the whole plate model and the excess material model are grouped according to the material, the plate thickness and the channel information, the grouped part model, the whole plate model and the excess material model are regenerated according to the grouping, and a grouped visual graph is generated.

Based on the technical scheme, the automatic ship plate jacking realization method and the automatic ship plate jacking platform have the following technical advantages through practical application:

1. the ship plate automatic nesting realization method and the ship plate automatic nesting platform can realize the conversion construction from the SPD ship structure part library to the automatic nesting part model, the conversion construction from SPD material arranging and residual material to the automatic nesting plate model, the construction of the automatic nesting layout model, the interactive setting of the automatic nesting algorithm configuration information, the construction of the automatic nesting interactive platform, the extraction of nesting information and other businesses.

2. According to the ship plate automatic nesting method and the ship plate automatic nesting platform, in the nesting stage of the SPD ship plate parts, an interactive visual platform is provided for automatic nesting of the ship plate parts, nesting results of nesting plates (material arranging and residual material) of the automatic nesting and nesting parts are effectively displayed, multi-plate interactive nesting and other services can be realized on the basis, and finally, a special nesting data file of the SPD can be extracted, and an initial nesting data file is provided for subsequent SPD interactive nesting, generation of a cutting plate diagram and generation of a cutting instruction.

Drawings

Fig. 1 is a schematic flow chart of an implementation of a method for automatically nesting hull plates for an SPD system according to the present invention.

Fig. 2 is a schematic diagram of the component framework of an automatic nesting platform for hull plates of an SPD system.

Detailed Description

The following describes in further detail a method for implementing automatic nesting of hull plates for SPD system and an automatic nesting platform for hull plates according to the present invention with reference to the drawings and specific embodiments, so as to make the structural composition and implementation of the method more clearly understood, but not limit the scope of protection of the patent of the present invention.

fifthly, constructing an SPD automatic nesting interaction platform;

In the fifth step, the framework structure of the automatic nesting interaction platform comprises a data layer, an interface layer, an intermediate layer and an application layer, wherein the data layer comprises input data, interaction data and output data, and the interface layer is provided with a reading interface of structural data, a reading and writing interface of nesting model data, a reference interface of an automatic nesting algorithm, a setting interface of unified graphic data of nesting graphics and nesting models and a exporting interface of nesting plates; the middle layer realizes the conversion management of a data layer of the SPD construction system and a data layer of the SPD automatic nesting; realizing the link relation management between the trepanning models; realizing conversion management between trepanning model data and graphic data; the application layer realizes the service interaction function of the user, and the interaction function comprises the following steps: model management, part preparation, whole board preparation, remainder preparation, configuration information, display layout, automatic nesting and nesting information extraction.

the data layer comprises input data, interaction data and output data,

the reference interface of the automatic nesting algorithm refers to the automatic layout algorithm, and different nesting algorithms are accessed to meet different nesting requirements;

The automatic nesting service for the automatic nesting system of the ship plate as the SPD mainly comprises 6 service function modules: initializing a trepanning environment, modeling a trepanning object, modeling a display layout, configuring automatic trepanning, and extracting automatic trepanning and trepanning information.

1) And initializing a nesting environment, wherein the nesting environment is mainly used for realizing the consistent processing of graphic data and nesting model data in a nesting graphic platform and realizing the construction of a visual management platform of an interactive object.

Firstly, an initialized graphic platform is created, an automatic trepanning temporary album is established, automatic trepanning graphic information is stored, and graphic data related to the graphic platform including graphic data, graphic data and the like are removed. Initializing a graphic platform management class object, including a visual area object and a view port object, and initializing the visual area and the view port. And setting engineering management objects to realize the creation of unified management objects of the current trepanning model data, configuration information data, hull construction engineering data and other data.

The trepanning model is then read, and the graphical data is created and stored in a temporary album library. Drawing a part block and a part graph after reading the part model, and keeping the ID consistency processing of the part model and the ID of the part block and the part graph; drawing a motherboard (whole board and residual material) graph after reading the motherboard (whole board and residual material) model, and keeping the consistency processing of motherboard model ID and motherboard graph ID; and drawing the layout graph after reading the layout model, and keeping the consistency processing of the layout ID and the layout graph ID.

And finally, initializing and positioning the graphic platform according to the last saved view area position, and if no view area data is positioned, performing preset view area positioning operation to ensure that the object interacted by the user is at a proper position.

2) Modeling a nesting object, wherein the nesting object comprises a part object, a whole board object and a remainder object, the objects are created according to a certain conversion rule after being obtained from a database of an SPD hull building system, if the SPD hull structure model is changed, the model change of the part can be realized through a refreshing function, and meanwhile, the graph position and the rotation posture of the part model are kept unchanged.

Modeling of a trepanning part, wherein the trepanning part model is a model object used in an automatic trepanning model file. Converting the part information of the structure library to generate attribute data and geometric data of a trepanning model; further creating part tile data and part graphic data at the graphics platform; finally, the functions of adding, deleting, changing and the like of the part model are realized; the interactive positioning checking and moving of the part model are realized, the part can be moved to the nesting plate, and the part can be moved to the layout, so that the establishment and disconnection of the link relation among the part model, the nesting plate model and the layout model are realized.

And (3) whole-plate modeling, wherein the whole-plate model is a model object used in an automatic nesting model file, is a pre-nested result object, and is a real-time steel pre-estimated object. According to the unit steel pre-estimated list, after acquiring the required whole plate information of the steel plate, an automatic jacking whole plate model is created according to the material quality, plate thickness, specification, number of sheets and the like of the steel plate, and corresponding attribute data and geometric data are generated; further creating whole board graphic data on the graphic platform; finally, the functions of adding, deleting, changing and the like of the whole plate model are realized; the interactive positioning viewing and moving of the whole board model are realized, the whole board can be moved to the layout, the whole board can be moved out of the layout, and meanwhile, the link relation between the whole board and the layout is established and released; and when the whole plate is moved, simultaneously moving the part graph on the whole plate, and refreshing the part model and the part graph data.

And modeling the residual materials, wherein the residual material model is a model object used in an automatic nesting model file and is a residual material object in real nesting. Building a residue part library according to a ship body, acquiring residue information utilized by a current unit, and then creating an automatic nesting residue model according to the material, plate thickness, geometric data and the like of the residue to generate corresponding attribute data and geometric data; further creating residual material graphic data on the graphic platform; finally, the functions of adding, deleting and changing the residual material model are realized; the interactive positioning viewing and moving of the clout model are realized, clout can be moved to the layout, and the layout can be moved out, and meanwhile, the link relation between the clout model and the layout is established and released; and when the clout is moved, simultaneously moving the part graph on the clout, and refreshing the part model and the part graph data on the clout.

3) And modeling a display layout, wherein the display layout model is used for managing the display position of a nesting model of the graphic platform, classifying the nesting plate model and the part model according to a certain rule, and displaying the nesting plate model and the part model on corresponding layouts for distinguishing the positions of the nesting plates and the parts of the same type.

Layout classification attribute: a set material file has only one layout classification attribute, and after the layout classification attribute is set, the subsequent parts, monoliths and residual materials are distributed and linked to the corresponding layout model according to the layout classification.

Layout modeling rules: the layout and the layout cannot be overlapped, and the reference coordinates of the part model and the sleeve plate model belonging to the layout are within the layout range, and if the reference coordinates are outside the layout range, the reference coordinates do not belong to the layout. The relevant classification attributes of the nested material plate models in the layout are required to be consistent so as to update the classification attributes of the nested material plates according to the layout classification attributes; and classification properties of the part models may be inconsistent to achieve a hybrid.

The nested plates within the layout create rules: the nested plates in the layout must be in the nested plate area of the layout, and the nested plates in the layout cannot be overlapped, so that the visual link information of the nested plates can be clearly presented; parts on the nesting plates in the layout can be overlapped to meet the requirement of interactive nesting after multi-plate mixing. If the nest plate is not within the layout, then move to the second quadrant of the global coordinate system.

Parts within the layout that are not on the trepanning sheet create rules: these parts require a layout part area placed on the non-nest plate and if not within the layout, move to the second quadrant of the global coordinate system.

Layout modeling flow: according to the layout classification attribute, a layout model can be initialized according to the part model, and layout graphic data is initially created at the same time. The sleeve material plate model can be distributed to the corresponding layout classification attribute; according to the existing parts only when the material is sleeved, if the material sleeved plate is distributed, the corresponding layout is not available, and the classification is not carried out. After the layout model is created, the parts are distributed and placed in the corresponding part areas of the layout model, and the monoliths and the residual materials are placed in the corresponding sleeve plate areas of the layout model; and refreshing the part model and the flitch model, and drawing and updating graphic information. Deletion and location viewing can be performed for existing layout models. And when the layout management is carried out, the link relation among the corresponding models is adjusted and matched.

4) Automatic trepanning configuration, which is the configuration of algorithm preconditions for an automatic trepanning algorithm. Automatic nesting configurations fall into two categories: basic configuration and board configuration. The basic configuration is mainly used for configuring a mode of controlling part placement in an automatic nesting algorithm so as to achieve a part placement result with high utilization rate and practical cutting process; the plate configuration is mainly used for configuring the utilization mode of the sheathing plate, and the sheathing can be performed according to standard plate gauges, step sizes and the like; the actual sleeving can be performed according to the actual plate gauge (whole plate and excess). For SPD automatic nesting service, there are mainly two kinds of service of pre-nesting and real nesting. According to different automatic trepanning services, different configuration attribute data exist.

And the pre-sleeved configuration information is used for estimating the steel plate before ordering. When automatic jacking and discharging are performed, the plate gauge size is about that of a conventional plate as much as possible, and can be larger than the conventional plate or smaller than the conventional plate, but cannot be larger than a maximum plate or smaller than a minimum plate, and the step value is given as a transverse step size and a longitudinal step size so as to facilitate steel plate ordering. The following relevant configurations may be specified when trepanning: whether the profile is automatically scaled, whether mirror images can be achieved, part nesting gaps, part-to-plate gaps, part turning over, small parts sleeved in holes and the maximum number of parts sleeved in a material plate.

And the real sleeve configuration information is used for automatic sleeve material after the steel plate is ordered. There is fixed board rule, has the surplus flitch after many times trepanning cutting, in order make full use of material, improves automatic layout trepanning rate, needs to carry out automatic layout according to given board rule and surplus. The parts are automatically sleeved into the given mother board, and if the mother board is used up, the sleeve material is stopped. The following relevant configurations may be specified when trepanning: whether the profile is automatically reduced, whether mirror image can be achieved, part nesting gaps, part-to-plate gaps, part turning over, small parts sleeved in holes and the largest part number in a nesting plate. When the profile is reduced, the clearance between the part and the plate is used as the standard, so that new remainder can be conveniently generated.

5) The automatic nesting mainly realizes the classification service of the automatic nesting service, and the services mainly comprise a pre-nesting service, a real-nesting service, a local expansion service, a local compression service, a local pre-nesting service, a local real-nesting service and the like. Selecting nesting configuration information according to different automatic nesting services; classifying the model data according to different services to form an automatic layout data object; according to different services, selecting an automatic stock layout algorithm, calling a corresponding automatic stock layout algorithm according to the provided stock layout data object and stock layout configuration conditions by a stock layout algorithm interface, performing automatic stock layout calculation, generating automatic stock layout result data, wherein different stock layout algorithms are algorithms for realizing different stock layout principles, meet different stock layout requirements and belong to selection application in the prior art; and updating the automatic nesting model according to the automatic layout result, realizing the generation of a pre-nesting plate, the creation of a linking relation among the nesting plate, the parts and the layout model, updating the graphic positioning data of the nesting plate model and the graphic positioning and rotating state data of the part model, realizing the creation and updating of the interactive data of the graphic platform, and displaying the graphic data of the nesting result.

6) The SPD automatic trepanning information is extracted, and the SPD automatic trepanning information service mainly realizes seamless transfer of data between the SPD automatic trepanning module and the SPD interactive trepanning module, and provides initialized trepanning data files for SPD interactive trepanning. Reading an automatic trepanning model library, acquiring a trepanning plate model list of trepanning, extracting trepanning plate model data and part model data on a trepanning plate after a user selects a trepanning plate model to be extracted, converting corresponding graphic positioning data and rotation angle data according to the acquired data, generating an interactive trepanning data file, and performing interactive trepanning, drawing line adding, cutting instruction generating and trepanning graph generating business work by an SPD interactive trepanning module according to the interactive trepanning data file.

Examples

By using the method for realizing the automatic nesting service of the hull plate for the SPD system, after the SPD system is researched, developed and implemented, an SPD automatic nesting module service platform can be preliminarily realized, and a related embodiment is realized.

The first step: entering an SPD automatic nesting service platform. The SPD automatic nesting service framework mechanism results are utilized to realize the research and development of an SPD automatic nesting service platform, and the SPD automatic nesting model, the SPD automatic nesting graph and the SPD automatic nesting view are realized on the SPD automatic nesting service interaction platform.

And a second step of: and importing SPD part data to generate an automatic nesting part model. The invention results of the SPD automatic nesting part model are utilized, SPD part data parameters and interfaces are researched, and the creation of the SPD automatic nesting part model and the interactive graphic display on a graphic display platform are realized.

And a third step of: and importing SPD whole plate data to generate an automatic nesting whole plate model. The data parameters of the SPD whole board are researched by utilizing the achievement of the SPD automatic nesting whole board model, and the creation of the SPD automatic nesting whole board model and the interactive graphic display on a graphic display platform are realized.

Fourth step: and importing SPD remainder data to generate an automatic nesting remainder model. The invention results of the SPD automatic nesting clout model are utilized, SPD clout material data parameters are researched, and the creation of the SPD automatic nesting clout model and the interactive graphic display on a graphic display platform are realized.

Fifth step: and (5) automatically nesting a classified layout model. The invention results of the SPD automatic nesting layout model are utilized to carry out classification layout modeling on the existing part model, so that the creation of the SPD automatic nesting layout model and the interactive display on a graphic display platform are realized.

Sixth step: configuration information. The functions of adding, deleting, etc. of the diversified configuration of the configuration information are realized by utilizing the basic configuration of the SPD automatic nesting, nesting and layout algorithm conditions and the board configuration invention result.

Seventh step: automatic nesting (pre-estimated plate). The invention results of the SPD automatic nesting business framework are utilized to invoke related automatic nesting and layout algorithms, so that one-key generation of automatic nesting (estimated board) is realized. The invention results of the link relation among the SPD automatic nesting layout model, the part model and the nesting plate model are applied, so that the creation, modification, deletion and the like of the link relation among the SPD automatic nesting layout model, the part model and the nesting plate model are realized, and the organic association of information such as nesting plate and part positioning is realized.

Eighth step: and extracting trepanning information. The invention results of the SPD automatic nesting information extraction method are utilized, the number of the nesting plate is effectively initialized, the related information of the nesting plate and the nesting parts is effectively extracted, the conversion and extraction of the positioning information of the nesting parts for the nesting plate are realized, and the generation of the SPD automatic nesting information extraction result (namely SPD interactive nesting file) is realized.

Ninth step: entering an SPD interactive nesting module to check an automatic nesting result. And opening the related interactive nesting function interface of the SPD interactive nesting module, directly calling the SPD automatic nesting information extraction result file, and finally realizing seamless connection of the service functions of the SPD automatic nesting module and the SPD interactive nesting module.

Claims

1. The method is used for establishing an automatic nesting service module in the SPD system, realizing the conversion construction from an SPD hull structure part library to an automatic nesting part model, realizing the conversion construction from SPD monoliths and excess materials to an automatic nesting plate model, realizing the construction of an automatic nesting layout model, realizing the interactive setting of configuration information of an automatic nesting algorithm, realizing the construction of an automatic nesting interactive platform, and realizing the extraction service of automatic nesting information of the hull plate, wherein the automatic nesting service module is in butt joint with the interactive nesting service module to extract a nesting plate data file, and the method comprises the following steps:

Fourthly, an automatic nesting service is constructed, SPD automatic nesting interaction configuration parameters are designed, and the automatic nesting service comprises an automatic nesting pre-nesting service and an automatic nesting real-nesting service; according to the part model and the layout model, the automatic nesting pre-nesting service refers to an automatic nesting layout algorithm according to given nesting configuration information to derive an automatic nesting pre-estimated nesting plate so as to realize the display and interaction of the pre-estimated nesting layout template; the interplate information service extraction comprises the following steps: the method comprises the steps of naming a trepanning plate number, screening trepanning plate data, guiding out a trepanning plate data file, wherein the guided trepanning plate comprises a monolithic plate and a residual flitch, the trepanning plate data file is directly delivered to an SPD interactive trepanning system for application, and a preliminary trepanning result is extracted for trepanning graph generation and trepanning plate cutting instruction generation;

fifthly, constructing an SPD automatic nesting interaction platform;

2. The method of claim 1, wherein in the first step, the SPD automatic nesting part model attribute information includes part ID number, ship number, segment number, part internal code, material, thickness, number, port and starboard mark, lane, processing code, flow direction code; the geometric information of the SPD automatic nesting part model comprises a part original framework surface contour, a part contour range, a geometric contour of a part after shifting to a first quadrant of a coordinate system, a shifting two-dimensional vector, a geometric contour of a fourth quadrant after turning, a part groove contour and a part positioning base point; when the part is positioned on the graphic platform, creating a specific part graphic on the graphic platform according to the positioning base point, whether the part turns over, the rotation angle, the geometric profile spline of the part in the first quadrant and the geometric profile spline of the part in the fourth quadrant; the SPD automatic nesting part model link information comprises a positioning starting point on a nesting plate, whether the nesting plate turns over, a rotation angle, a nesting plate ID number and a nesting layout ID number.

3. The method for implementing automatic nesting service of hull plates for SPD system according to claim 1, wherein in the second step, the SPD automatic nesting plate model is divided into three parts of attribute information, geometric information, automatic nesting model link information; the SPD automatic nesting plate model attribute information comprises: the material sheathing ID, the sheathing board number, the material remaining code, the material, the board thickness, the size, the quotation name, the number, the lane, the mirror image and the material code; the geometric information of the SPD automatic nesting plate model comprises a positioning base point, a nesting plate original contour, a nesting plate first quadrant contour and a nesting plate offset two-dimensional vector on a graphic platform; when the nesting plate is positioned on the graphic platform, creating a specific nesting figure on the graphic platform according to the positioning base point and the first quadrant contour spline of the nesting plate; the SPD automatic nesting plate model link information comprises a nesting layout ID number and part information on the nesting plate, wherein the part information comprises a part ID number, whether a user turns over, a rotation angle and a positioning starting point coordinate of the part on the nesting plate.

4. The method for implementing automatic nesting of hull plates for SPD system according to claim 1, wherein in the third step, the SPD automatic nesting layout model is divided into: attribute information, geometric information and automatic nesting model link information, wherein the SPD automatic nesting layout model attribute information comprises materials, plate thickness and lane; the geometric information of the SPD automatic nesting layout model comprises positioning base points, layout contour splines and layout identification information on a graphic platform; the link information of the SPD automatic nesting layout model comprises a nesting plate positioning initial position, a nesting plate layout height, a part positioning initial position, a part layout height, a part ID number list and a nesting plate ID number list.

5. The method for implementing an automatic nesting service for hull plates of an SPD system according to claim 1, wherein in the fourth step, the automatic nesting service comprises 6 service function modules: initializing a trepanning environment, modeling a trepanning object, modeling a display layout, configuring automatic trepanning, and extracting automatic trepanning and trepanning information.

6. The method for implementing an automated nesting service for ship plates of SPD system according to claim 1, wherein in the fifth step, the framework structure of the automated nesting interaction platform comprises a data layer, an interface layer, an intermediate layer, and an application layer,

7. The method for implementing automatic nesting service for hull plates of SPD system according to claim 1, wherein in the sixth step, the process of extracting automatic nesting information comprises:

8. An automatic nesting platform for a ship body plate of an SPD system is characterized in that a framework structure of the automatic nesting interaction platform comprises a data layer, an interface layer, an intermediate layer and an application layer,

the data layer comprises input data, interaction data and output data,

9. An automated nesting platform for hull plates of an SPD system according to claim 8, wherein the input data in the data layer comprises an obtained part library, a residual stock library and a monolith library, the part library is a hull construction part library in the SPD system, the residual stock library is an SPD plate residual stock definition library, the monolith library is an SPD unit material pre-estimated list, the interactive data comprises configuration information data, a nesting model library and a graphic database, the configuration information data is precondition information required to be defined when the hull plates are automatically nested, the nesting model library stores a nesting part model, a nesting plate model and a nesting layout model, the structure information data of the nesting is stored, the nesting part model, the nesting plate model and the nesting layout model are object models of the nesting, and the graphic database corresponds to the nesting model library and comprises a nesting part figure, a nesting plate figure and a nesting layout figure, and the nesting part figure and the nesting layout are interaction objects of the nesting.

10. The automatic nesting platform for the hull plate of the SPD system according to claim 8, wherein in the interface layer, a reading interface of structural data respectively reads parts, remainder and material in a part library, a remainder library and a material sorting library in a data layer, so that the automatic nesting platform adopts a data source unified with the SPD system, and meanwhile, the interface is convenient to transplant and a data conversion mode is convenient to increase;

and the export interface of the nesting plate is used for exporting the current nesting plate data to generate a data format required by interactive nesting of the SPD hull building system, and the data format is used for generating subsequent nesting cutting instructions and nesting layout.

11. An automatic nesting platform for hull plates of an SPD system according to claim 8, wherein in the middle layer, the conversion management of the data layer of the SPD system and the data layer of the SPD automatic nesting comprises the data conversion of a hull building part library of a hull building system to an automatic nesting part model, the data conversion of a remainder library of the hull building system to a remainder model of the automatic nesting, and the data conversion of a unit material pre-estimation unidirectional automatic nesting monolith model of the hull building system;

the link relation management between the trepanning models comprises the link relation between the trepanning plates and the trepanning parts, the link relation between the trepanning plates and the trepanning layout, the link relation between the parts and the trepanning layout, and the data conversion and the addition, deletion and modification treatment of the link relation;

12. The automatic nesting platform for hull plates of an SPD system according to claim 8, wherein in the application layer, the model management is used for consistency check of model data and graphic platform data, to realize validity update of interactive data, to realize cleaning of model files, and to realize positioning and storage functions of models in graphic view areas;

the parts are prepared to realize part reading and automatic nesting part model conversion in a ship body construction part library of the SPD system, graphic creation of the automatic nesting part model is carried out, deletion, update and modification of the part model and the part graphic are carried out, and interactive functions including movement of the part graphic are realized;