CN101625236B - Edge sealing die interference inspection method based on assembly constraints - Google Patents
Edge sealing die interference inspection method based on assembly constraints Download PDFInfo
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- CN101625236B CN101625236B CN2009100677622A CN200910067762A CN101625236B CN 101625236 B CN101625236 B CN 101625236B CN 2009100677622 A CN2009100677622 A CN 2009100677622A CN 200910067762 A CN200910067762 A CN 200910067762A CN 101625236 B CN101625236 B CN 101625236B
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Abstract
The invention discloses an edge sealing die interference inspection method based on assembly constraints, which is characterized by comprising the following working procedures: (1) collecting working motion track; (2) settling the working track curve; (3) standardizing the working track curve; (4) loading the data to a standard mechanism; (5) designing a edge sealing die; (6) loading an assembly drive; (7) automatically measuring interference; (8) feeding back interference measurement data and determining the edge sealing die design; the invention has the following advantages of: rapidly and efficiently detecting the die interference, improving the design quality and level; rapidly loading the assembly drive to the die, and saving the trivial set procedure when manufacturing an electronic model machine; realizing the standardization and universalization of the motion track of the die, and having high reusability; automatically outputting the interference position of the whole motion process and defining the external assembly clearance; reducing the time of the motion analysis by 70%, reducing the interference problem left by designing to zero, reducing the manufacturing production period of the whole edge sealing die, improving the production efficiency and reducing the production cost.
Description
(1) technical field:
The present invention relates to a kind of limit mould interference checking method of closing, particularly a kind of limit mould interference checking method of closing based on assembly constraint.
(2) background technology:
The movement interference inspection of cold punching die is the important step in the mould design.If do not find such problem in the design link, will bring difficulty to the processing and manufacturing and the assembling in workshop.Search interference position, get rid of the influence that components hit is brought when interfering fault, elimination interference, all need to take man-hour, upset productive temp, bring very big loss to enterprise.It is various to close the limit mold mechanism, and the working portion motion mostly is complex curve, is difficult to check between each parts whether interfere mutually with commonsense method.Even find when the workshop assembling and setting closes the limit mould to interfere, the distance and the position that also are difficult to interfere accurately quantize, and can only by virtue of experience progressively test with estimating.
According to investigation statistics, the limit mould that closes more than 90% all has interference problem when design.Digital model in the common motion simulation special software can be lost original design constraint intention in data conversion process, causing a large amount of time and efforts to be used for digital model reparation, N Reference Alignment and kinematic constraint relation resets, the relevant work complexity, complex steps, holding time is many, it is too high to go into gate threshold, need the proprietary talent, the most important thing is to provide the gap numerical value of a certain stationary state in the motion process, can't practical requirement under the short-period production requirement of mould enterprise, can not adapt to of the quick response of mould enterprise to market.
(2) summary of the invention:
The object of the present invention is to provide a kind of limit mould interference checking method of closing based on assembly constraint, it overcomes the deficiency in the common motion simulation special software digital prototype motion simulation, simple to operate, the applying flexible of this method, and checking process is rapidly and efficiently.
Technical scheme of the present invention: a kind of limit mould interference checking method of closing based on assembly constraint is characterized in that it comprises following job step:
(1) collecting work movement locus: gather the motion close the limit working portion of die, the path of process is depicted as actual work track with these motion paths when separating out the service part model work of mould, describes with the form of curve;
(2) housekeeping geometric locus: arrangement is also simplified the work geometric locus that closes the limit mould, puts out the topmost motion path of working portion of die in order, is simplified to the path curves of standards body;
(3) work geometric locus standardization: the working motion track is carried out standardization, make parameters such as its deposit position and name all meet the modeling standard;
(4) loading data is in standards body: standards body's model assembly of work geometric locus after will handling and mould is loaded in the standards body together, calls from database during with convenient design;
(5) the limit mould is closed in design: design according to the involutory limit of technology content mould, the mold work movement locus is together called in the general assembly (GA) of mould with standards body's model assembly, the drive part of mechanism is assembled to patrix, and the working portion of mechanism is assembled to counterdie;
(6) loading assembling drives: the assembling driver, and in assembly, load kinematic pair and the restriction relation close between the mold component of limit, all movable parts that close in the mold former of limit are all loaded restriction relation, patrix is whenever depressed a segment distance, other movable parts will be done related motion according to the relation between the constraint in the mould, realize the motion of each parts in the whole model with this;
(7) measure interference automatically: to the patrix load driver, change the distance of depressing of patrix, related whole the driving closed limit mould assembly motion, carries out the mould motion analysis simultaneously, operation interference checking program detects and exports the fit-up gap value and the position that show outside interference position, the value of defining in real time;
(8) feedback interference measurement data and determine to close the design of limit mould:, feed back to step (5) to improve and to determine to close the limit Mould design according to the interferometry result of step (7).
Standards body in the above-mentioned said step (2) comprises the standard linkage assembly that closes limit mould special use, holder part mechanism, fetch and deliver mechanism such as material mechanism, these mechanisms can realize the action that patrix is depressed is converted into bound edge, closes the limit action, the picking-up of product, blank send into the courses of work such as taking-up with product.
Work geometric locus standardization in the above-mentioned said step (3) comprises the multistage regular curve match of work geometric locus, and merge processing such as fairing, so that CATIA software can utilize these curves to carry out assembly constraint, the foundation of these curves will meet the foundation rule of the CATIA of enterprise model, if enterprises has the integrated database of self setting up, also to meet the rule of calling of integrated database.
Work geometric locus standardization modeling standard in the above-mentioned said step (3) can adopt the rule of calling of company standard, industry standard, national standard, international standard and integrated database as required.
Loading data in the above-mentioned said step (4) comprises to standards body also will encapsulate data into the integrated database of enterprises when enterprises establishes template and the integrated database of standard component.
Assembling driver in the above-mentioned said step (6) belongs to the program of finishing in advance, and the deviser can directly call.
Interferometry result in the above-mentioned said step (7) comprises between any two parts of mould and whether interfering that if interfere, the position that two parts are interfered where; Formulate the fit-up gap table relatively with enterprises, whether the fit-up gap of staying during design between the different parts is enough, if not enough, how many minor increments between two parts is, the position that may bump against in the actual motion.
Interference checking program in the above-mentioned said step (7) belongs to the program of finishing in advance, and the deviser can directly call.
Above-mentioned said step (1)-required suitable workbench of step (8) comprises the CATIA platform, and the workbench that also is applicable to NX platform, other suitable CAD software modelings of UGS company maybe can be converted to the workbench of other international form that CATIA software can discern.
Superiority of the present invention is: 1, in closing limit Mould design process, can check the mould interference quickly and efficiently, improve designing quality and level; 2, model is loaded assembling fast and drive, omitted setting step loaded down with trivial details when making the electronics model machine; 3, the movement locus of mould is handled well in advance, has realized standardised genericization, the reusability height, can fast and flexible ground along with mechanism is loaded into mold former; 4, export the interference position in the whole motion process and define outer fit-up gap automatically; 5, with the time reduction 70% of motion analysis, the interference problem that stays during with design is reduced to zero, has shortened the whole manufacturing production cycle of closing the limit mould, enhances productivity, and reduces production costs.
(4) description of drawings:
Accompanying drawing 2 is the related a kind of concrete enforcement synoptic diagram that closes limit mould interference checking method based on assembly constraint of the present invention.
Wherein, 1 is the collecting work movement locus; 2 is the housekeeping geometric locus; 3 is integrated database; 4 is that the limit mould is closed in design; 5 for loading the assembling driving; 6 are the assembling driver; 7 is the interference checking program; 8 for the feedback interference measurement data and determine to close the design of limit mould.
(5) specific embodiment:
Embodiment: following to close the limit mould with the automotive hood inner and outer plates be example:
A kind of limit mould interference checking method of closing based on assembly constraint, it is characterized in that: it comprises following job step (seeing accompanying drawing 1,2):
(1) the collecting work movement locus 1: gather the motion close the limit working portion of die, the path of process is depicted as actual work track with these motion paths when separating out the service part model work of mould, describes with the form of curve; Wherein, close the motion of limit working portion of die, mainly finish by the linkage assembly of various variety classeses and specification; The actual movement locus of finishing of linkage assembly is an irregular curve; According to the action of linkage assembly, make actual work geometric locus, linkage assembly is divided into two parts, and a part is a drive division, and a part is an operate portions; Drive division can be regarded cam structure as, and the route that the identical part of drive division and operate portions is passed by is depicted, and is the real work geometric locus;
(2) the housekeeping geometric locus 2: arrangement is also simplified the work geometric locus that closes the limit mould, puts out the topmost motion path of working portion of die in order, is simplified to the path curves of standards body; In the permissible error range, with the multistage regular curve match of irregular work geometric locus, the curve fillet amplifies or cancellation in actual motion, and being processed into can be for the curve of assembling motion simulation, i.e. working motion track;
(3) work geometric locus standardization: the working motion track is carried out standardization, make parameters such as its deposit position and name all meet the rule of calling of enterprise modeling standard and integrated database 3;
(4) loading data is in standards body: standards body's model assembly of work geometric locus after will handling and mould is loaded in the standards body together, from database, call during with convenient design, and encapsulate data into inside the integrated database of enterprises, be packaged on the webserver, call for design department as the part in parametrization standard module storehouse;
(5) limit mould 4 is closed in design: designing according to the involutory limit of technology content mould, in die design process, is foundation with the action, calls the standards body that needs from integrated database; The mold work movement locus is together called in the general assembly (GA) of mould with standards body's model assembly, and the drive part of mechanism is assembled to patrix, and the working portion of mechanism is assembled to counterdie;
(6) load assembling and drive 5: assembling driver 6, and in assembly, load kinematic pair and the restriction relation close between the mold component of limit, all movable parts that close in the mold former of limit are all loaded restriction relation, patrix is whenever depressed a segment distance, other movable parts will be done related motion according to the relation between the constraint in the mould, realize the motion of each parts in the whole model with this;
(7) measure interference automatically: to the patrix load driver, change the distance of depressing of patrix, related whole the driving closed limit mould assembly motion, carries out the mould motion analysis simultaneously, operation interference checking program 7 detects and exports the fit-up gap value and the position that show outside interference position, the value of defining in real time;
(8) feedback interference measurement data and determine to close limit mould 8:, feed back to step (5) to improve and to determine to close the limit Mould design according to the interferometry result of step (7).
Standards body in the above-mentioned said step (2) comprises the standard linkage assembly that closes limit mould special use, holder part mechanism, fetch and deliver mechanism such as material mechanism, these mechanisms can realize the action that patrix is depressed is converted into bound edge, closes the limit action, the picking-up of product, blank send into the courses of work such as taking-up with product.
Work geometric locus standardization in the above-mentioned said step (3) comprises the multistage regular curve match of work geometric locus, and merge processing such as fairing, so that CATIA software can utilize these curves to carry out assembly constraint, the foundation of these curves will meet the foundation rule of the CATIA of enterprise model, also will meet the rule of calling of integrated database.
Assembling driver in the above-mentioned said step (6) belongs to the program of finishing in advance, and the deviser can directly call.
Interferometry result in the above-mentioned said step (7) comprises between any two parts of mould and whether interfering that if interfere, the position that two parts are interfered where; Formulate the fit-up gap table relatively with enterprises, whether the fit-up gap of staying during design between the different parts is enough, if not enough, how many minor increments between two parts is, the position that may bump against in the actual motion.
Interference checking program in the above-mentioned said step (7) belongs to the program of finishing in advance, and the deviser can directly call.
Above-mentioned said step (1)-employed workbench of step (8) is the CATIA platform.
Claims (8)
1. limit mould interference checking method of closing based on assembly constraint is characterized in that it comprises following job step:
(1) collecting work motion path: gather the motion close the limit working portion of die, the path of process is depicted as actual work track with these motion paths when separating out the service part model work of mould, describes with the form of curve;
(2) housekeeping geometric locus: arrangement is also simplified the work geometric locus that closes the limit mould, puts out the topmost motion path of working portion of die in order, i.e. the motion path of standards body;
(3) work geometric locus standardization: the working motion geometric locus is carried out standardization, make its deposit position and name all meet the modeling standard;
(4) loading data is in standards body: the work geometric locus after the standardization in the step (3) and standards body's model assembly of mould are loaded in the standards body together, call from database in the time of with convenient design;
(5) the limit mould is closed in design: design according to the involutory limit of technology content mould, standardized work geometric locus is together called in the general assembly (GA) of closing the limit mold former with standards body's model assembly in the step (3), the drive part of mechanism is assembled to patrix, and the working portion of mechanism is assembled to counterdie;
(6) loading assembling drives: the assembling driver, and in assembly, load kinematic pair and the restriction relation close between the mold former parts of limit, all movable parts that close in the mold former of limit are all loaded restriction relation, patrix is whenever depressed a segment distance, other movable parts will be done related motion according to the relation between the constraint in the mould, realize closing the motion of each parts in the mold former of limit with this;
(7) measure interference automatically: to the patrix load driver, change the distance of depressing of patrix, related whole the driving closed limit mould assembly motion, carry out the mould motion analysis simultaneously, operation interference checking program, check between any two parts of mould whether interfere, if interfere, the position that two parts are interfered where, the fit-up gap table of formulating with enterprises compares, and whether the fit-up gap of staying when designing between the different parts is enough, if not enough, how many minor increments between two parts is, the position that may bump against in the actual motion;
(8) feedback interference measurement data and determine to close the design of limit mould:, feed back to step (5) to improve and to determine to close the limit Mould design according to the interferometry result of step (7).
2. according to the said a kind of limit mould interference checking method of closing of claim 1 based on assembly constraint, it is characterized in that standards body in the said step (2) comprises standard linkage assembly, the holder part mechanism of closing limit mould special use, fetches and delivers material mechanism, these mechanisms can realize with the action that patrix is depressed be converted into bound edge, close limit action, the picking-up of product, blank send into these courses of work of taking-up with product.
3. according to the said a kind of limit mould interference checking method of closing of claim 1 based on assembly constraint, it is characterized in that the work geometric locus standardization in the said step (3) comprises the multistage regular curve match of work geometric locus, and merge fairing processing, so that CATIA software can utilize these curves to carry out assembly constraint, the foundation of these curves will meet the foundation rule of the CATIA of enterprise model, if enterprises has the integrated database of self setting up, also to meet the rule of calling of integrated database.
4. according to the said a kind of limit mould interference checking method of closing of claim 1, it is characterized in that work geometric locus standardization modeling standard in the said step (3) adopts the rule of calling of company standard, industry standard, national standard or international standard and integrated database based on assembly constraint.
5. according to the said a kind of limit mould interference checking method of closing of claim 1 based on assembly constraint, it is characterized in that loading data in the said step (4) comprises to standards body also will encapsulate data into the integrated database of enterprises when enterprises establishes template and the integrated database of standard component.
6. according to the said a kind of limit mould interference checking method of closing based on assembly constraint of claim 1, it is characterized in that the assembling driver in the said step (6) belongs to the program of finishing in advance, the deviser can directly call.
7. according to the said a kind of limit mould interference checking method of closing based on assembly constraint of claim 1, it is characterized in that the interference checking program in the said step (7) belongs to the program of finishing in advance, the deviser can directly call.
8. according to the said a kind of limit mould interference checking method of closing of claim 1 based on assembly constraint, it is characterized in that said step (1)-required suitable workbench of step (8) comprises the CATIA platform, also be applicable to UGS company NX platform, other suitable CAD software modelings workbench or be converted to the workbench of other international forms that CATIA software can discern.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100677622A CN101625236B (en) | 2009-01-21 | 2009-01-21 | Edge sealing die interference inspection method based on assembly constraints |
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| CN2009100677622A CN101625236B (en) | 2009-01-21 | 2009-01-21 | Edge sealing die interference inspection method based on assembly constraints |
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| CN101625236A CN101625236A (en) | 2010-01-13 |
| CN101625236B true CN101625236B (en) | 2011-01-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102896224A (en) * | 2012-10-11 | 2013-01-30 | 哈尔滨理工大学 | Method for assembling automobile covering part drawing die based on knowledge-based engineering (KBE) system |
| CN103399987B (en) * | 2013-07-10 | 2016-12-28 | 中国大唐集团科学技术研究院有限公司 | Power plant model adjusts the method and device of pipeline collision |
| CN106599415A (en) * | 2016-11-30 | 2017-04-26 | 中国直升机设计研究所 | Digital model machine interference checking method |
| CN107391847B (en) * | 2017-07-24 | 2021-01-19 | 西北工业大学 | Virtual die matching method based on measurement |
| CN107944104B (en) * | 2017-11-14 | 2021-08-10 | 北京宇航系统工程研究所 | Creo dynamic and static interference inspection result quick feedback system and method |
| CN109894531B (en) * | 2019-03-13 | 2020-08-25 | 重庆元创汽车整线集成有限公司 | Intelligent module integration method |
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