CN106127863B - A kind of refrigerator foaming die series design system and its method - Google Patents

A kind of refrigerator foaming die series design system and its method Download PDF

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CN106127863B
CN106127863B CN201610522081.0A CN201610522081A CN106127863B CN 106127863 B CN106127863 B CN 106127863B CN 201610522081 A CN201610522081 A CN 201610522081A CN 106127863 B CN106127863 B CN 106127863B
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assembly
part model
general assembly
component
unit
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CN106127863A (en
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王和升
董玉德
张学丰
丁毅
李久成
许海波
谈国荣
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CHUZHOU KECHUANG MOULD MANUFACTURING Co Ltd
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CHUZHOU KECHUANG MOULD MANUFACTURING Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/04—Constraint-based CAD
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00—Details relating to the application field
    • G06F2113/20—Packaging, e.g. boxes or containers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
    • G06T2219/20—Indexing scheme for editing of 3D models
    • G06T2219/2008—Assembling, disassembling

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Abstract

The invention discloses a kind of refrigerator foaming die series design system and its methods, by reasonably being classified to foaming mould part, then parameterization operations are carried out to part, and the seriation to general assembly is coordinated to operate, it can be quickly obtained the threedimensional model and its engineering drawing of new product, and quickly the attribute in product component engineering drawing can be added.The present invention can quickly obtain a new product, and at the same time obtaining the component of new product, part and corresponding engineering drawing according to drawn model by changing active dimensional values.It was verified that the present invention can greatly improve production efficiency, the design cost of new product is reduced.

Description

A kind of refrigerator foaming die series design system and its method
Technical field
The invention belongs to Computer-aided Design Technology fields, and in particular to a kind of refrigerator foaming based on SolidWorks Die seriesization design.
Background technology
With the extensive use of CAD software, more and more designers carry out product design using it.SolidWorks Software is favored because of its distinctive parametrization characteristic by more designers.Traditional design method is first to draw zero according to X-Y scheme Then assembling parts are got up to form assembly by part again.
One big defect of such method exactly when requiring to produce a series of products, needs to open from drafting X-Y scheme Starting weight is newly drawn part and is then assembled, if a series of products are more, this will be very huge workload, to The reduction of design efficiency, launch products is caused to cause damages not in time.In addition, because a product just has a set of drawing, So the management of these drawings needs to expend a large amount of energy of administrative staff.
Invention content
The present invention is to provide a kind of foaming mould fast serial to solve the problems, such as existing design method Design system and its method, to be obtained according to drawn model by the way that modification active dimensional values are quick The product new to one, and at the same time the component of new product, part and corresponding engineering drawing are obtained, to greatly improve life Efficiency is produced, the design cost of new product is reduced.
In order to achieve the above object, the technical solution adopted in the present invention is：
The present invention plant refrigerator foaming die series design system the characteristics of include：Standard component designs module, part design Module, general assembly design module, material depot and property pages module；
Part model comprising each type, piecemeal engineering figure, assembly engineering drawing, general assembly engineering in the material depot Figure；
The standard component designs module：Components database, preview picture unit, Parameters of The Parts unit and engineering drawing Unit；
The components database includes several parts lists, and the parts list is for storing part name, parameterized sizes value And parameterized sizes title；Each parts list corresponds to a kind of part model, and each part model in each parts list is equal With it is respective number and it is corresponding with the dash number in the preview picture unit；
The Parameters of The Parts unit obtains selected zero according to selected part model from corresponding parts list The number of part model is simultaneously sent to the preview picture unit；The preview picture unit is according to the volume of selected part model It number finds the part picture accordingly numbered and is shown；
The Parameters of The Parts unit obtains selected zero according to selected part model from corresponding parts list Part name, parameterized sizes value and the parameterized sizes title of part model, and according to the part of selected part model Title and parameterized sizes title activate selected part model size, to change the parametrization of selected part model Size value, and then the update of the selected part model of completion and the update of selected part model place parts list are concurrent Give the part design module；
The engineering drawing unit is used to activate the engineering drawing of selected part model, and by updated part model Piecemeal engineering figure separately saves as dwg formats or pdf formats；
The part design module includes：Parts data library unit, component assembling unit；
The component assembling unit firstly generates an empty assembly text according to the assembly engineering drawing to be assembled Then part calls different types of part model, further according to what is called according to the component to be assembled from corresponding parts list Different types of part model sets corresponding number of parts and position, to add the different types of part model called It is added in the assembly file of the sky, completes the part model load of assembly file；Further according to the assembly engineering drawing The part model loaded is assembled, to form assembly；
Assembly title and its path are saved in by the parts data library unit for storing the assembly assembled In component table；
The general assembly designs module：General assembly database, general assembly seriation unit, general assembly assembly unit；
The general assembly database reads assembly title in the component table and its path and passes to the general assembly dress With unit；
The general assembly assembly unit firstly generates an empty general assembly file, so according to the general assembly engineering drawing to be assembled Corresponding assembly is called from corresponding component table according to the general assembly to be assembled afterwards, phase is set further according to the assembly called The rigging position answered completes the assembly of general assembly file to be added to the assembly called in the general assembly file of the sky Body loads；The assembly loaded is assembled further according to the general assembly engineering drawing, to form general assembly；
The general assembly seriation unit is according to the geometry of general assembly to the active size of each assembly of determination, Yi Jiyu The passive size that active size mutually constrains；Then the restriction relation formula of the active size and its passive size is set；And according to Design requirement modifies to the active size of assembly, to update corresponding assembly, and then updates general assembly and is stored in In general assembly table；
The property pages module includes：Component checks unit, parts template(-let)；
The component checks part model composition of the module for checking assembly or general assembly, and result is deposited in tree-shaped In tables of data；
The parts template(-let) is divided into attribute of component subelement and assembly attribute subelement, attribute of component Unit is used to add the attribute information of part model；The assembly attribute subelement is used to add the attribute information of assembly.
A kind of the characteristics of refrigerator foaming die series design method of the invention is to carry out as follows：
Step 1, the part model that each type is loaded into material depot, piecemeal engineering figure, assembly engineering drawing, general assembly work Cheng Tu；
Step 2 deposits the part name of the part model of each type, parameterized sizes value and parameterized sizes title Enter in corresponding parts list；Each parts list corresponds to a kind of part model, and each part model in each parts list has Have it is respective number and it is corresponding with the dash number in the preview picture unit；
Step 3, the number for obtaining selected part model from corresponding parts list according to selected part model； The part picture accordingly numbered is found according to the number of the selected part model and is shown；
Step 4, the part for obtaining selected part model from corresponding parts list according to selected part model Title, parameterized sizes value and parameterized sizes title, and according to the part name and parametrization of selected part model Dimension name activates selected part model size, to change the parameterized sizes value of selected part model, in turn Complete the update of selected part model and the update of selected part model place parts list；
The piecemeal engineering figure of updated part model is separately saved as dwg formats or pdf formats by step 5；
Step 6, according to the assembly engineering drawing to be assembled, generate an empty assembly file；And according to being assembled Component call different types of part model from corresponding parts list, set further according to the different types of part model called Fixed corresponding number of parts and position, to which the different types of part model called to be added to the assembly text of the sky In part, the part model load of assembly file is completed；
Step 7 assembles the part model loaded according to the assembly engineering drawing, to form assembly, And the assembly assembled, assembly title and its path are saved in component table；
Step 8 generates an empty general assembly file according to the general assembly engineering drawing to be assembled, and total according to what is assembled Dress calls corresponding assembly from corresponding component table, and corresponding rigging position is set further according to the assembly called, to The assembly called is added in the general assembly file of the sky, completes the assembly load of general assembly file；
Step 9 assembles the assembly loaded according to the general assembly engineering drawing, to form general assembly；
Step 10, according to the geometry of general assembly to the active size of each assembly of determination, and with active size phase The passive size of constraint；And set the restriction relation formula of the active size and its passive size；
Step 11 modifies to the active size of assembly according to design requirement, to update corresponding assembly, into And it updates general assembly and is stored in general assembly table.
The characteristics of refrigerator foaming die series design method of the present invention, lies also in, and the design method is also wrapped It includes：
Step 12 deposits in assembly or the part model of general assembly composition in tree shaped data table；
Step 13, the attribute information for adding part model or the attribute information for adding assembly.
Compared with the prior art, beneficial effects of the present invention are embodied in：
1, the present invention carries out Seriation Design using parameterized design of component module and general assembly design module to foaming mould And the parametrization of part can quickly improve design efficiency and quality, so as to shorten the R＆D cycle of product, reduce and set Count cost.
2, the present invention designs module using standard component, standard component is reasonably classified, and the design of all kinds of parts It is independent to carry out, it does not influence between each other.Standard component design module change previous Element Design from 2 d-to-3 d, from without to The thinking of some modes, designer only need to can be obtained by new part according to existing model, the size value of input parametrization. And multi-group data can be preserved in the database, when designer only needs using when designing the part one in click data library Group data can a step complete size assignment operation, relative to manually one by one input for, reduce designer's Operating procedure improves design efficiency.
3. the present invention carries out the assembly operation of component using part design module.Usually all it is when previous design and assembly component Required part is found in file, excessively being searched successively just due to part seems too time-consuming, so the present invention uses The mode of parts list classifies all parts, and parts list is then passed to part design module, when designer is setting When counting new foaming mould, it is only necessary to the part is selected in the parts list accordingly classified and part is inserted into assembly, Quantity and the position of part insertion can also be arranged in designer.The method greatly simplifies the step of component assembling.
4. the general assembly design mould general assembly seriation unit in the block that the present invention uses is the operation directly carried out to assembly. Designer analyzes the geometry mechanism changed needed for foaming mould first, and list with the geometry have geometrical relationship or Then the part of assembly relation selectes a several vital parts, set size that it need to change as active size, other sizes For passive size, and set the relationship of active size and passive size.Designer only needs to provide the numerical value of active size And update assembly, it will be able to obtain newest product, and its size value of the part of each product and engineering drawing also can It is updated, what is be just exceedingly fast in this way obtains the design drawing of new product.The result shows that total series turn design cell is for foaming The efficiency raising of the Seriation Design of mold plays huge facilitation.
5. the component for the property pages module that patent of the present invention uses checks that unit is mainly used for checking the one of component or general assembly Level assembly, previous design software check assembly all and can provide design tree, but due to the operation of user, the often exhibition of design tree Open cause designer read it is greatly inconvenient, so component checks unit by searching for design tree, and by a level assembly It passes to tree-shaped table and shows, and the display of its level-one component will not change because of the operation of designer, in this way For checking for component with regard to comparable facility.
6. the property pages module parts template(-let) that patent of the present invention uses is for quickly carrying out attribute to parts Addition operation, it is the mode for needing designer to go to fill in manually one by one to change previous attribute addition, this mode is not only imitated Rate is low and is easy error.Now, only need to click the information stored in attribute list can be by attribute value by designer Parts quickly are passed to, are effectively guaranteed high efficiency and accuracy.By practice have shown that, the unit is for parts category Property addition operating efficiency it is high, its work total amount will improve design considerably beyond the workload of traditional approach in same time Efficiency reduces the development cost of new product.
Description of the drawings
Fig. 1 is present system structural schematic diagram；
Fig. 2 is Parameters of The Parts flow chart of the present invention；
Fig. 3 is general assembly seriation flow chart of the present invention；
Fig. 4 is attribute retrieval flow figure of the present invention.
Specific implementation mode
In the present embodiment, a kind of refrigerator foaming die series design system, including：Standard component design module, component are set Module, general assembly design module, material depot and property pages module are counted, as shown in Figure 1.Wherein, the seriation of product is mainly by marking Quasi- part design module and general assembly design module are completed.Material depot is for placing drawn parts graphics or two dimension Figure, is stored and is managed by a special file, such as " F:File ".
Include part model, piecemeal engineering figure, assembly engineering drawing, the general assembly engineering drawing of each type in material depot.For Facilitate the use of designer, the All Files, that is, part model and piecemeal engineering figure of general a set of grinding tool, partial model and The model and engineering drawing of engineering drawing and general assembly are stored entirely in a file.
Standard component designs module：Components database, preview picture unit, Parameters of The Parts unit and engineering drawing list Member；
Components database includes several parts lists, and parts list is for storing part name, parameterized sizes value and parameter Change dimension name；Each parts list corresponds to a kind of part model, according to part name initial ranking method to each part Part model is numbered and index value is stored in an int type data y, and since 1, centre must not be interrupted number value, Number value is then passed into preview picture module, keeps the picture number in preview picture unit corresponding with dash number；
Parameters of The Parts unit obtains selected part mould according to selected part model from corresponding parts list The number y values of type are simultaneously sent to preview picture unit；Preview picture unit finds phase according to the number of selected part model The part picture that should number simultaneously is shown；All preview pictures are hidden by preview picture unit first, further according to being passed The y values passed select corresponding picture to be shown.
Parameters of The Parts unit obtains selected part mould according to selected part model from corresponding parts list Part name, parameterized sizes value and the parameterized sizes title of type, and according to the part name of selected part model Selected part model size is activated with parameterized sizes title, to change the parameterized sizes of selected part model Value, and then complete the update of selected part model and the update of selected part model place parts list and be sent to Part design module, concrete operations flow are as shown in Figure 2.
Engineering drawing unit is used to activate the engineering drawing of selected part model, if current design personnel opening is one A engineering drawing, that engineering drawing will be selected, and then be needed the zero of updated part model according to designer Part engineering drawing separately saves as dwg formats or pdf formats；
Part design module includes：Parts data library unit, component assembling unit；
Component assembling unit firstly generates an empty assembly file according to the assembly engineering drawing to be assembled, should Then part in parts list is inserted into middle ligand by empty assembly by calling parts list.According to the component to be assembled Different types of part model is called from corresponding parts list, designer, which only needs to click certain a line in table, can change one's profession to be remembered The part of record.Corresponding number of parts and position are set further according to the different types of part model called, to be adjusted Different types of part model is added in empty assembly file, completes the part model load of assembly file；Again The part model loaded is assembled according to assembly engineering drawing, to form assembly；
The component assembling module sets the quantity of be inserted into part and position.Left click acquisition is carried out using mouse X, Y, the Z coordinate value of current click location, and coordinate value is passed to component assembling module, component assembling module is by required part It is inserted into clicked position.Reacquisition coordinate value is recycled using for and is inserted into selected part, until being inserted into part Quantity is consistent with the numerical value set in component assembling module, exits for cycles.
Assembly title and its path are saved in component by parts data library unit for storing the assembly assembled In table；
General assembly designs module：General assembly database, general assembly seriation unit, general assembly assembly unit；
General assembly database reads the assembly title in component table and its path and passes to general assembly assembly unit；
General assembly assembly unit firstly generates an empty general assembly file, work according to the general assembly engineering drawing to be assembled Mode and component assembling cell type call corresponding assembly, then root according to the general assembly to be assembled from corresponding component table Corresponding rigging position is set according to the assembly called, to which the assembly called is added in empty general assembly file, Complete the assembly load of general assembly file；The assembly loaded is assembled further according to general assembly engineering drawing, it is total to be formed Dress.It should be noted that when component assembling unit carries out component assembling, designer can be designed that a series of according to demand Mutually isostructural component, and by the component names of this list of elements and file path information preservation in component table, Yong Huxuan When selecting required component, system is loaded according to file path opening feature and by component into general assembly.
For foaming mould Seriation Design system, most important effect is exactly quickly to carry out seriation to whole set of die Operation, and can quickly obtain the general assembly model of new product and all drawings.General assembly seriation unit as shown in Figure 3 according to The geometry of general assembly is classified the component of each assembly, the active size in then determining per level-one, Yi Jiyu The passive size that active size mutually constrains.In addition to the critical component that designer selectes, the active size of remaining lower level component In more advanced assembly, active size will become passive size；Then the pact of active size and its passive size is set Beam relational expression；And modified to the active size of assembly according to design requirement, to update corresponding assembly, Jin Ergeng New general assembly is simultaneously stored in general assembly table；
Property pages module includes：Component checks unit, parts template(-let)；
Component checks part model composition of the module for checking assembly or general assembly, and result is deposited in tree shaped data In table；
As shown in Figure 4 by for function loops, component checks that unit retrieves the design of assembly successively from top to bottom first Tree, if retrieval result is not " origin ", abandon should as a result, retrieve next value, until result is " origin ", then oneself " origin " following result is saved in as component in TreeView, if retrieval result is identical as last retrieval result, no Preserving should be preserved as a result, being also only used as a component in the case of the multiple parts of the same part insertion, not retrieved One correct result, TreeView update the data once.When retrieval result value is empty, retrieval terminates, and jumps out for function loops, And TreeView information is passed into parts template(-let).
Parts template(-let) is divided into attribute of component subelement and assembly attribute subelement, and attribute of component subelement is used for Add the attribute information of part model；Assembly attribute subelement is used to add the attribute information of assembly.When by a part Or component, when being added to SolidWorks design interfaces, this system will retrieve the part suffix, if suffix be SLDASM or It then indicates that the component is assembly when sldasm, assembly attribute submodule should be used to add attribute information for it, when suffix is It indicates that the component is part when SLDPRT sldprt, attribute of component submodule should be used to add attribute information, as suffix is It is other, then it is other types of part, does not carry out attribute addition operation to it.
In the present embodiment, a kind of refrigerator foaming die series design method is reasonable by being carried out to foaming mould part Classification, parameterization operations then are carried out to part, and coordinate and operated to the seriation of general assembly, new product can be quickly obtained Threedimensional model and its engineering drawing, and quickly the attribute in product component engineering drawing can be added, specifically It says, is to carry out as follows：
Step 1, the part model that each type is loaded into material depot, piecemeal engineering figure, assembly engineering drawing, general assembly work The All Files of Cheng Tu, a set of product should be placed in a file.
Step 2 according to the structure of grinding tool reasonably classifies to part first, by the zero of the part model of each type Part title, parameterized sizes value and parameterized sizes title are stored in corresponding parts list, and the data type of storage is character Serial type, each parts list correspond to a kind of part model, and each part model in each parts list all has respective number And it is corresponding with the dash number in preview picture unit, and number value is stored in int type data y.
Step 3, the number for obtaining selected part model from corresponding parts list according to selected part model； The part picture accordingly numbered is found according to the number of selected part model and is shown, hides all pictures first, Then specific picture is shown again.
Step 4, the part for obtaining selected part model from corresponding parts list according to selected part model Title, parameterized sizes value and parameterized sizes title, and according to the part name and parametrization of selected part model Dimension name activates selected part model size, to change the parameterized sizes value of selected part model, in turn Complete the update of selected part model and the update of selected part model place parts list, it should be noted that After accessory size is changed and updates part model, same change also accordingly occurs for the engineering drawing of part.
The piecemeal engineering figure of updated part model is separately saved as dwg formats or pdf formats, dwg lattice by step 5 Formula be used for product redesign, pdf formats in order to ensure printing accuracy；
Step 6, according to the assembly engineering drawing to be assembled, generate an empty assembly file；And according to being assembled Component call different types of part model from corresponding parts list, set further according to the different types of part model called Fixed corresponding number of parts and position, to which the different types of part model called to be added to empty assembly file In, complete the part model load of assembly file.Designer can set number and the position of part addition, be followed by for Ring is completed.
Step 7 assembles the part model loaded according to assembly engineering drawing, to form assembly, and will Assembly, assembly title and its path assembled is saved in component table.Component assembling module can have one according to demand The component that series structure is identical but size is different, and all deposit in component table, it is selected by designer.
Step 8 generates an empty general assembly file according to the general assembly engineering drawing to be assembled, and total according to what is assembled Dress calls corresponding assembly from corresponding component table, and corresponding rigging position is set further according to the assembly called, to The assembly called is added in empty general assembly file, completes the assembly load of general assembly file；General assembly is assembled single The position system designer of member, component has been presented for approximate range, and designer can not carry out assignment to its position.
Step 9 assembles the assembly loaded according to general assembly engineering drawing, to form general assembly；
Step 10, according to the geometry of general assembly to the active size of each assembly of determination, and with active size phase The passive size of constraint；And set the restriction relation formula of active size and its passive size；As " 1@parts 1 of D1@sketches "= " D2@stretch 2@parts 3 " is in addition to the critical component that designer selectes, remaining active size is in more higher leveled assembly Passive size can be become.
Step 11 modifies to the active size of assembly according to design requirement, due to passive size and active size Between there are specific relationships, passive size value can also be changed, to update corresponding assembly, and then update general assembly simultaneously It is stored in general assembly table.
Assembly or the part model of general assembly composition are deposited in tree shaped data table, and only show assembly by step 12 The level-one component of body, unless assembly component changes, otherwise it shows that content does not operate with designer and changed.
Step 13, the attribute information for adding part model or the attribute information for adding assembly.If file suffixes is SLDASM either sldasm when then use assembly attribute submodule for its add attribute information when suffix be SLDPRT or Attribute information is added using attribute of component submodule when sldprt, if suffix is other, does not then carry out attribute addition operation to it.

Claims (3)

1. a kind of refrigerator foaming die series design system, feature include：Standard component design module, part design module, General assembly designs module, material depot and property pages module；
Include part model, piecemeal engineering figure, assembly engineering drawing, the general assembly engineering drawing of each type in the material depot；
The standard component designs module：Components database, preview picture unit, Parameters of The Parts unit and engineering drawing list Member；
The components database include several parts lists, the parts list for store part name, parameterized sizes value and Parameterized sizes title；Each parts list corresponds to a kind of part model, and each part model in each parts list all has Respective number is simultaneously corresponding with the dash number in the preview picture unit；
The Parameters of The Parts unit obtains selected part mould according to selected part model from corresponding parts list The number of type is simultaneously sent to the preview picture unit；The preview picture unit is looked for according to the number of selected part model To the part picture accordingly numbered and shown；
The Parameters of The Parts unit obtains selected part mould according to selected part model from corresponding parts list Part name, parameterized sizes value and the parameterized sizes title of type, and according to the part name of selected part model Selected part model size is activated with parameterized sizes title, to change the parameterized sizes of selected part model Value, and then complete the update of selected part model and the update of selected part model place parts list and be sent to The part design module；
The engineering drawing unit is used to activate the engineering drawing of selected part model, and by the part of updated part model Engineering drawing separately saves as dwg formats or pdf formats；
The part design module includes：Parts data library unit, component assembling unit；
The component assembling unit firstly generates an empty assembly file, so according to the assembly engineering drawing to be assembled Different types of part model is called from corresponding parts list according to the component to be assembled afterwards, further according to the inhomogeneity called The part model of type sets corresponding number of parts and position, to which the different types of part model called is added to institute It states in empty assembly file, completes the part model load of assembly file；It will be added further according to the assembly engineering drawing The part model of load is assembled, to form assembly；
Assembly title and its path are saved in component by the parts data library unit for storing the assembly assembled In table；
The general assembly designs module：General assembly database, general assembly seriation unit, general assembly assembly unit；
The general assembly database reads assembly title in the component table and its path and to pass to the general assembly assembly single Member；
The general assembly assembly unit firstly generates an empty general assembly file, then root according to the general assembly engineering drawing to be assembled Corresponding assembly is called from corresponding component table according to the general assembly to be assembled, is set further according to the assembly called corresponding Rigging position, to be added to the assembly called in the general assembly file of the sky, the assembly for completing general assembly file adds It carries；The assembly loaded is assembled further according to the general assembly engineering drawing, to form general assembly；
The general assembly seriation unit according to the geometry of general assembly to the active size of each assembly of determination, and with actively The passive size that size mutually constrains；Then the restriction relation formula of the active size and its passive size is set；And according to design It is required that the active size to assembly is modified, to update corresponding assembly, and then updates general assembly and be stored in general assembly In table；
The property pages module includes：Component checks unit, parts template(-let)；
The component checks part model composition of the unit for checking assembly or general assembly, and result is deposited in tree shaped data In table；
The parts template(-let) is divided into attribute of component subelement and assembly attribute subelement, the attribute of component subelement Attribute information for adding part model；The assembly attribute subelement is used to add the attribute information of assembly.
2. a kind of refrigerator foaming die series design method, it is characterized in that carrying out as follows：
Step 1, the part model that each type is loaded into material depot, piecemeal engineering figure, assembly engineering drawing, general assembly engineering Figure；
The part name of the part model of each type, parameterized sizes value and parameterized sizes title are stored in phase by step 2 In the parts list answered；Each parts list corresponds to a kind of part model, and each part model in each parts list all has respectively From number and corresponding with the dash number in preview picture unit；
Step 3, the number for obtaining selected part model from corresponding parts list according to selected part model；According to The number of the selected part model finds the part picture accordingly numbered and is shown；
Step 4, the part name for obtaining selected part model from corresponding parts list according to selected part model, Parameterized sizes value and parameterized sizes title, and according to the part name of selected part model and parameterized sizes name Claim to activate selected part model size, to change the parameterized sizes value of selected part model, and then completes institute The update of parts list where the update of selected part model and selected part model；
The piecemeal engineering figure of updated part model is separately saved as dwg formats or pdf formats by step 5；
Step 6, according to the assembly engineering drawing to be assembled, generate an empty assembly file；And according to the portion to be assembled Part calls different types of part model from corresponding parts list, and phase is set further according to the different types of part model called The number of parts answered and position, to which the different types of part model called to be added to the assembly file of the sky In, complete the part model load of assembly file；
Step 7 assembles the part model loaded according to the assembly engineering drawing, to form assembly, and will Assembly, assembly title and its path assembled is saved in component table；
Step 8 generates an empty general assembly file according to the general assembly engineering drawing to be assembled, and according to the general assembly to be assembled from Corresponding component table calls corresponding assembly, and corresponding rigging position is set further according to the assembly called, thus by institute The assembly of calling is added in the general assembly file of the sky, completes the assembly load of general assembly file；
Step 9 assembles the assembly loaded according to the general assembly engineering drawing, to form general assembly；
Step 10 is mutually constrained according to the geometry of general assembly to the active size of each assembly of determination, and with active size Passive size；And set the restriction relation formula of the active size and its passive size；
Step 11 modifies to the active size of assembly according to design requirement, to update corresponding assembly, Jin Ergeng New general assembly is simultaneously stored in general assembly table.
3. refrigerator foaming die series design method according to claim 2, characterized in that the design method is also wrapped It includes：
Step 12 deposits in assembly or the part model of general assembly composition in tree shaped data table；
Step 13, the attribute information for adding part model or the attribute information for adding assembly.
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