CN108959735A - A kind of design method based on assembly available Model Matching Assembling resource - Google Patents
A kind of design method based on assembly available Model Matching Assembling resource Download PDFInfo
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- CN108959735A CN108959735A CN201810630234.2A CN201810630234A CN108959735A CN 108959735 A CN108959735 A CN 108959735A CN 201810630234 A CN201810630234 A CN 201810630234A CN 108959735 A CN108959735 A CN 108959735A
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Abstract
The invention discloses the methods based on assembly available model analysis design faced assembling, it includes determining design faced assembling scheme, and the part for forming product and the expected function of realizing are determined according to scheme；Determine assembly entity information；Building assembly available model；Assemble entity relationship analysis；It determines the resource for meeting assembly demand and determines optimal Assembling resource.The present invention is according to available and assembly correlation theory building assembly available model, and assembly demand analysis is carried out to the part in design faced assembling method, it is the Assembling resource that part match meets assembly demand using assembly demand available model, the additional available model of assembly is utilized on this basis, influence of the analysis assembly entity relationship to assembly system, and under the constraint of design faced assembling criterion analyzing influence quality, select the Assembling resource of positive influence, reject the Assembling resource of negative influence, to be the optimal Assembling resource of part match, until generating satisfied design faced assembling scheme.
Description
Technical field
It is specially a kind of based on assembly available Model Matching dress the present invention relates to product design faced assembling technical field
Design method with resource.
Background technique
The concept of design faced assembling (Design for Assembly, DFA): in the design phase of product, consider in advance
In assembling process there may be the problem of, to make product that there is good assembling capacity, while ensuring that assembly process is simple, dress
With high-efficient, assembling quality is high, assembly fraction defective is low low with assembly cost etc..Good assembling capacity is needed to assembly entity point
Analysis, but existing design faced assembling in assembling process assemble entity between relationship consider it is not comprehensive, such as gear with
In the assembling process of axis, most of matching relationship for only considering gear and axis, and seldom consider tool used in assembling process,
The randomness for causing Assembling resource to select, therefore hardly result in optimal Assembling resource.So need to analyze assembly entity relationship,
Wherein the relationship between entity can be divided into functional relationship and non-functional relationship, and functional relationship, which mainly changes, assembled
The state of component assembly in journey, rather than functional relationship mainly has the interference etc. of the noise, part that generate in assembling process.But
Lack the theoretical tool of analysis assembly entity relationship at this stage, so introducing new concept available, herein to express assembling process
Function and non-functional relationship between middle assembly entity are actively made with existing during positive available expression Product Assembly
With, existing negative consequence during Product Assembly is expressed with passive available concept, and retain positive effect, reject it is passive
Effect, provides foundation for assembly sequence-planning.
Existing method there is also some problems: (1) analysis of assembly entity relationship is not comprehensive, and (2) entity relationship is to assembly
The influence of system, influence of (3) Assembling resource to assembly entity.
Summary of the invention
For the above-mentioned problems in the prior art, the purpose of the present invention is to provide one kind based on assembly available mould
The design method of type matching Assembling resource.
A kind of design method based on assembly available Model Matching Assembling resource, it is characterised in that including following
Step:
Step 1: determining design faced assembling scheme, the part and the expected function realized of composition product are determined according to scheme
Energy；
Step 2: determine assembly entity information, specifically:
Step 2.1: determining the parts information of composition product, shape, size and weight information including part；
Step 2.2: determining entity type, be divided into components entity and Assembling resource entity, components entity is that composition produces
The part of product, Assembling resource entity are tool used in component assembly process；
Step 2.3: analyzing the hierarchical relationship of component part, product is divided into multiple sub-assemblies, then by sub-assemblies
It is decomposed into multiple sub-assemblies or part, and so on, the part until being decomposed into the bottom；
Step 3: building assembly available model, specific steps are as follows:
Step 3.1: determining the assembly entity in assembly system；
Step 3.2: determining the assembly subject and object in assembly entity；
Step 3.3: determining the available between assembly entity；
Step 3.4: building four kinds of assembly available models, respectively assembly demand available model, assembly add for
Property model, positive available model and passive available model.
1 assembly demand available is defined, refers to one of four kinds of assembly available models: in determining assembly demand
Under constraint, the available for meeting assembly demand of components entity and the generation of Assembling resource reciprocation；
Define 2 and assemble additional available: components entity and a plurality of types of assembly of Assembling resource reciprocation generation can
For property, other than the available reciprocation for meeting assembly demand, can also generate other assembly such as noise, environmental protection it is additional for
Sexual intercourse interaction；
Define 3 positive availables: components entity and Assembling resource reciprocation have facilitation to assembly manipulation；
Define 4 passive availables: components entity and Assembling resource reciprocation have detrimental effect to assembly manipulation；
Step 4: assembly entity relationship analysis, specifically:
Step 4.1: optional two parts from the part of composition product；
Step 4.2: the two parts are compared and analyzed from volume, weight, adjacent zeros number of packages etc.；
Step 4.3: wherein volume is big, weight weight, the part adjacent with multiple parts are main Assembly parts, small in size, again
Amount is light, the part adjacent with less part is cooperation Assembly part；
Define 5 main, cooperation Assembly parts: for two parts close to each other, one of part is remained stationary, fixed
In rigging position, another part is moved to position to be assembled from storage area, therefore the part for being fixed on rigging position is named as
Main Assembly part, the part for being moved to rigging position from storage area are known as cooperating Assembly part；.
Step 5: determine the resource for meeting assembly demand, specifically:
Step 5.1: the relationship between analysis Assembling resource and Assembly part, in assembling, Assembling resource and assembly zero
Part contacts with each other, and meets assembly demand by certain connecting mode, and connecting mode between the two has thread connection, rigidity connection
It connects, resilient connection etc..
Step 5.2: being determined for compliance with the Assembling resource range of part size, in assembling process, different Assembly parts must
The Assembling resource to match with its size shape must be used.
Step 5.3: the assembly demand that analysis part proposes the external world, part propose the external world to change the state of itself
Assembly demand analyzes the assembly demand that part proposes the external world from the size shape of part in conjunction with the change of part status
Specific type.
Step 5.4: based on assembly demand available model Assembling resource solve, by assembly demand available model from
Matching meets the Assembling resource of above three condition, the assembly money of available one or more meet demands in Assembling resource library
Source.
Step 6: determine optimal Assembling resource, specifically:
Step 6.1: available interactive analysis being carried out to multiple Assembling resources for meeting assembly demand, assembly demand can
For property analysis be using part as main body, Assembling resource as object, Assembling resource offer part meet assembly demand for
Property effect；And at this time then on the contrary, when additional available is assembled in analysis, need using part as object, Assembling resource as main body,
It analyzes part and the available effect of Assembling resource is provided.
Step 6.2: available reciprocation being classified, one kind is assembly demand available, and another kind of is that assembly is attached
Add available, assemble additional available there are multiple types, taking, which wherein influences maximum available to assembly, acts on.
Step 6.3: additional available classification is assembled in analysis under the constraint of design faced assembling criterion.
Step 6.4: if assembling additional available reciprocation meets the constraint of design faced assembling criterion, assembly is additional
Available is positive available, otherwise generates passive available.It rejects and generates the passive Assembling resource for assembling additional available,
The Assembling resource for adding available is actively assembled with generating.
A kind of design method based on assembly available Model Matching Assembling resource, it is characterised in that step 5.1)
In connecting mode include thread connection, rigid attachment or resilient connection.
A kind of design method based on assembly available Model Matching Assembling resource, it is characterised in that step 6.1)
In available interactive analysis include the analysis of assembly demand available and assemble additional available analysis；Assembly demand for
Property analysis be using part as main body, Assembling resource meets the available of assembly demand as object, Assembling resource offer part
Effect；Assembling additional available analysis is needed using part as object, and Assembling resource is as main body.
By analyzing the relationship between different parts and Assembling resource, design faced assembling scheme is constantly optimized and is changed
Into until generating satisfied design faced assembling scheme.
By using above-mentioned design scheme, the invention has the following advantages that 1. consider in the product design faced assembling stage
Relationship between part and Assembling resource；2. based on available building assembly available model, and analyzing assembly entity with this and closing
System；3. assembly relation is divided into functional relationship and non-functional relationship from master, mating parts analysis assembly entity relationship；4.
Influence using positive reciprocation and passive interactive analysis assembly entity relationship to assembly system.
Detailed description of the invention
Fig. 1 is assembly demand available illustraton of model；
Fig. 2 is to assemble additional available illustraton of model；
Fig. 3 is positive available illustraton of model；
Fig. 4 is passive available illustraton of model；
Fig. 5 is assembly demand available analysis flow chart diagram；
Fig. 6 is to assemble additional available analysis flow chart diagram；
Fig. 7 is design faced assembling criterion figure；
Fig. 8 is axis and gear schematic diagram；
Fig. 9 is the assembly demand available illustraton of model of axis and gear；
Figure 10 is that the assembly of axis and gear adds available illustraton of model；
Figure 11 is the assembly result available illustraton of model of axis and gear；
Figure 12 is the Assembling resource figure of main Assembly part；
Figure 13 is the Assembling resource figure for cooperating Assembly part；
Figure 14 is the Assembling resource figure for assembling additional available.
In figure: 1- axis, 2- gear.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawings of the specification:
As represented in figures 1 through 14, a kind of design method based on assembly available Model Matching Assembling resource of the invention, packet
Include following steps:
Step 1: determining design faced assembling scheme, the part and the expected function realized of composition product are determined according to scheme
Energy；
Step 2: determine assembly entity information, specifically:
Step 2.1: determining the parts information of composition product, shape information, dimension information and weight information including part；
Step 2.2: determining assembly entity type, the assembly entity type is divided into components entity and Assembling resource is real
Body, components entity are the part for forming product, and Assembling resource entity is tool used in component assembly process；
Step 2.3: product is divided into multiple sub-assemblies, then by subassembly by the hierarchical relationship of analysis components entity
Body is decomposed into multiple next straton assemblies or part, and so on, the part until being decomposed into the bottom；
Step 3: building assembly available model, specifically:
Step 3.1: determining the assembly entity in assembly system；
Step 3.2: determining the assembly main body and assembly object in assembly entity；
Step 3.3: determining the assembly available between assembly entity；
Step 3.4: four kinds of available models of building, respectively assembly demand available model assemble additional available mould
Type, positive available model and passive available model；
It defines 1 assembly demand available: referring to one of four kinds of assembly available models: in determining assembly demand
Under constraint, the available for meeting assembly demand of components entity and the generation of Assembling resource reciprocation, as shown in Figure 1；
Define 2 and assemble additional available: components entity and a plurality of types of assembly of Assembling resource reciprocation generation can
For property, other than the available reciprocation for meeting assembly demand, can also generate other assembly such as noise, environmental protection it is additional for
Sexual intercourse interaction, as shown in Figure 2.
Define 3 positive availables: components entity and Assembling resource reciprocation have facilitation to assembly manipulation, obtain
Positive available, as shown in Figure 3；
Define 4 passive availables: components entity and Assembling resource reciprocation have detrimental effect to assembly manipulation, obtain
To passive available, as shown in Figure 4；
Step 4: assembly entity relationship analysis, specifically:
Step 4.1: optional two parts from the components entity of composition product；
Step 4.2: the two parts are compared and analyzed from volume, weight, adjacent zeros number of packages etc.；
Step 4.3: wherein volume is big, weight weight, the part adjacent with multiple parts are main Assembly parts, small in size, again
Amount is light, the part adjacent with less part is cooperation Assembly part；
Define 5 main Assembly parts, cooperation Assembly part: for two parts close to each other, one of part is kept
It is motionless, it is fixed on rigging position, another part is moved to position to be assembled from storage area, therefore will be fixed on the zero of rigging position
Part name is main Assembly part, and the part for being moved to rigging position from storage area is known as cooperating Assembly part；
Step 5: determine and meet the resource of assembly demand, process as shown in figure 5, specifically:
Step 5.1: the relationship between analysis Assembling resource entity and assembly components entity, in assembling process, assembly
Resource entity contacts with each other with assembly components entity, and meets assembly demand by corresponding connecting mode, connection between the two
The mode of connecing has thread connection, rigid attachment, resilient connection etc.；
Step 5.2: it is determined for compliance with the Assembling resource range of part size, in assembling process, different assembly components
The Assembling resource entity to match with its size shape must be used；
Step 5.3: the assembly demand that analysis assembly components propose the external world assembles components to change the shape of itself
State proposes assembly demand to the external world, from the size shape of part, in conjunction with the change of part status, analysis assembly components pair
The specific type of assembly demand that the external world proposes；
Step 5.4: the Assembling resource based on assembly demand available solves, by assembling demand available from Assembling resource
Matching meets the Assembling resource of assembly demand in library, obtains the Assembling resource entity of one or more meet demands；
Step 6: determine optimal Assembling resource, process as shown in fig. 6, specifically:
Step 6.1: available interactive analysis being carried out to multiple Assembling resources for meeting assembly demand, assembly is needed
It is using part as main body, as object, Assembling resource provides part and meets assembly demand Assembling resource when available being asked to analyze
Available effect；It is then needed when for assembling additional available analysis using part as object, Assembling resource divides as main body
It analyses part and the available effect of Assembling resource is provided；
Step 6.2: available reciprocation being classified, one kind is assembly demand available, and another kind of is that assembly is attached
Add available, assemble additional available there are multiple types, taking, which wherein influences maximum available to assembly, acts on；
Step 6.3: additional available classification is assembled in analysis under design faced assembling principle control, described to set towards assembly
Meter principle includes that be easy to positioning principle, the minimum principle of number of parts type, modularized design principle, assembling jig at least former for part
Then, the minimum principle of equipment adjustment, the minimum principle of assembly direction, reduction anchor design principle and the minimum principle of manual operations, tool
Body is as shown in Figure 7.
Step 6.4: if assembling additional available reciprocation meets design faced assembling principle control, assembly is additional
Available is positive available, otherwise generates passive available；It rejects and generates the passive Assembling resource for assembling additional available,
With the Assembling resource for actively assembling additional available is generated, setting is completed.
The present invention is by analyzing the relationship between different components and Assembling resource entity, not to design faced assembling scheme
Disconnected ground Optimal improvements, until generating satisfied design faced assembling scheme.Example: for the assembling process of axis and gear
Specifically comprise the following steps:
1. available model construction is assembled, as shown in figure 8, being the optimal dress of its part match in the design faced assembling stage
With resource:
Building assembly available model first, is divided into four steps:
STEP1: the assembly entity in the assembly system is determined；
Components entity: axis 1, gear 2；
Assembling resource entity: manipulator, fixture, spanner, operator etc.；
STEP2: the subject and object in assembly system is determined；
Based on components: axis 1 (main body) and manipulator, axis 1 (main body) and operator, axis 1 (main body) and fixture, tooth
Take turns 2 (main bodys) and conveyer belt, gear 2 (main body) and spanner, gear 2 (main body) and guide rail；
Part is assembly object: axis 1 and manipulator (main body), axis 1 and operator (main body), axis 1 and fixture (main body),
Gear 2 and conveyer belt (main body), gear 2 and spanner (main body), gear 2 and manipulator (main body)；
STEP3: the assembly available between entity is determined；
Assembly demand available: manipulator offer axis 1 is stablized, fixture offer axis 1 is stablized, operator's offer axis 1 is stable,
It is mobile that conveyer belt provides the movement of gear 2, spanner provides the adjustment of gear 2, guide rail provides gear 2；
Assemble additional available: the offer manipulator of axis 1 needs to adjust, manpower is lost in the offer operator of axis 1, axis 1 provides
Fixture is stable, gear 2 provides conveyer belt and adjustment, the offer spanner loss of gear 2 manpower, gear 2 is needed to provide manipulator and at least fill
With resource；
STEP4: building assembly demand available model, as shown in figure 9, additional available model is assembled, as shown in Figure 10,
Available results model is assembled, as shown in figure 11, assembly available result of the invention refers to that positive available and passiveness can
It for property, is illustrated to the result of previously assembled demand available and the additional available of assembly
2. assembling the model analysis of demand available
The characteristic information for determining axis 1 and gear 2 first, is analyzed from size, weight, shape, thickness etc. respectively,
Gained information is as shown in table 1:
By regarding axis 1 as main Assembly part to above-mentioned parts information comparative analysis, gear 2 is then cooperation Assembly part,
Wherein main Assembly part axis 1 is fixed on rigging position, and Assembly part 2- is cooperated to be moved to 1, main Assembly part axis from point to be assembled
It sets, and cooperates with main Assembly part axis 1 and complete assembly.
1 parts information of table
Then the assembly demand of each part is determined；Analyze to obtain the rigging position relationship and part of part according to back
Characteristic attribute information determines that part proposes the range of assembly demand in assembling process to the external world, and before combination assembly, in assembly
With the assembling characteristics of three phases after assembly, the assembly demand of following each part is obtained, as shown in table 2.
Table 2 assembles demand analysis
Upper table analysis is remained stationary in entire assembling process because axis 1 is main Assembly part, so three
The assembly demand of a assembling stage is all identical, is all to maintain fixed assembly demand.And for gear 2, it needs from coordination to be installed
It sets and is moved to main Assembly part position, so the assembly demand in three phases is crawl, movement respectively and fixes.
Finally determine the Assembling resource for meeting assembly demand；For the assembling process of axis 1 and gear 2.For main assembly zero
It for part axis 1, is all kept fixed in entire assembling process, analytic process is as shown in figure 12, so providing 1 fixed demand of axis
Assembling resource have fixture, support frame, groove etc..
Need to be divided into three phases for cooperation Assembly part gear 2, the Assembling resource grabbed before assembling has machinery
Hand, operator etc.；There are conveyer belt, guide rail, manipulator etc. for mobile Assembling resource in assembly；It is for fixing after assembly
Assembling resource has fixture, operator etc..So the Assembling resource that the part gear three phases in transmission system need is such as
Shown in Figure 13；
3. assembling additional available model analysis
Above-mentioned multiple Assembling resources for meeting assembly demand are further analyzed, add available model by assembling,
Determine that part is supplied to the reciprocation of Assembling resource.Corresponding with assembly demand available, analysis axis 1 and gear 2 are corresponding
Assembling resource, obtain assembly as shown in figure 14 add available analysis result；
Then optimal Assembling resource is analyzed and evaluated, under the constraint of design faced assembling, utilizes positive available model
With passive available model, analyze additional available reciprocation result is assembled.If meeting constraint, select to correspond to
Assembling resource；If do not met, need to reject or redesign Assembling resource.The results are shown in Table 3 for analysis, wherein
" √ " expression meets constraint, and "×" expression does not meet constraint, and "-" expression does not consider this constraint.
The analysis of 3 Assembling resource of table and evaluation
Above-mentioned analysis gear is needed to be illustrated for the Assembling resources such as operator to be used, conveyer belt, manipulator,
The process specifying information of analysis is as follows:
Operator: gear 2 is moved to specified rigging position from storage position by operator, and operator is gear 2
The assembly demand available of crawl is provided.Although operator is capable of providing the assembly demand of the crawl of gear 2, gear 2 is same
When certain can be also provided assemble additional available to operator, provide the work of repetition fatigue to operator, this is separated
Anti- design faced assembling at least uses the principle of operator, brings additional cost to assembly, generates to entire assembly
Passive reciprocation, so do not consider operator.
Conveyer belt: gear 2 is placed on a moving belt, and is interacted to generate to meet with conveyer belt and provided mobile dress
With demand available.But conveyer belt is when being moved to designated position for gear 2, it is also necessary to which another Assembling resource picks up gear
And cooperates with other parts and assemble.It violates Assembling resource in design faced assembling and uses minimum principle, while also giving assembly band
Carry out unnecessary trouble, increases assembly time and cost.So it is passive that the assembly generated between them, which adds available,
, therefore do not consider conveyer belt.
Manipulator: manipulator picks up gear 2, and gear 2 is moved to specified rigging position satisfaction and provides mobile dress
With demand.It is to adjust the direction of part, while manipulator is available that gear 2 and manipulator reciprocation, which generate and assemble additional available,
There are crawl, movement and fixed movement in assembly manipulation, it is possible to reduce the time of different assembly technology replacement Assembling resources, improve dress
Utilization rate with resource.So the additional available of the assembly generated between them is positive, therefore select manipulator.
Content described in this specification is only to enumerate to inventive concept way of realization, and protection scope of the present invention is not answered
When being seen as limited by concrete form described in embodiment, protection scope of the present invention also only in those skilled in the art according to
Present inventive concept it is conceivable that equivalent technologies mean.
Claims (3)
1. a kind of design method based on assembly available Model Matching Assembling resource, it is characterised in that the following steps are included:
Step 1: determining design faced assembling scheme, the part of composition product and the function of expected realization are determined according to scheme；
Step 2: determine assembly entity information, specifically:
Step 2.1: determining the parts information of composition product, shape, size and weight information including part；
Step 2.2: determining entity type, be divided into components entity and Assembling resource entity, components entity is composition product
Part, Assembling resource entity be component assembly process be using tool；
Step 2.3: analyzing the hierarchical relationship of component part, product is divided into multiple sub-assemblies, then decomposes sub-assemblies
For multiple sub-assemblies or part, and so on, the part until being decomposed into the bottom；
Step 3: building assembly available model, specific steps are as follows:
Step 3.1: determining the assembly entity in assembly system；
Step 3.2: determining the assembly main body and assembly object in assembly entity；
Step 3.3: determining the assembly available between assembly entity；
Step 3.4: four kinds of assembly available models of building, respectively assembly demand available model assemble additional available mould
Type, positive available model and passive available model；
Step 4: assembly entity relationship analysis, specifically:
Step 4.1: optional two parts from the part of composition product；
Step 4.2: the two parts are compared and analyzed from volume, weight, adjacent zeros number of packages etc.；
Step 4.3: wherein volume is big, weight is heavy, the part adjacent with multiple parts is main Assembly part, small in size, light-weight,
The part adjacent with less part is cooperation Assembly part；
Step 5: determine the resource for meeting assembly demand, specifically:
Step 5.1: the relationship between analysis Assembling resource and Assembly part, in assembling, Assembling resource and Assembly part phase
Mutually contact, and assembly demand is met by corresponding connecting mode；
Step 5.2: being determined for compliance with the Assembling resource range of part size, in assembling process, different Assembly parts must make
With the Assembling resource to match with its size shape；
Step 5.3: the assembly demand that analysis part proposes the external world, part propose assembly to the external world to change the state of itself
It is specific to analyze the assembly demand that part proposes the external world from the size shape of part in conjunction with the change of part status for demand
Type；
Step 5.4: the Assembling resource based on assembly demand available model solves, by assembling demand available model from assembly
Matching meets the Assembling resource of above three condition in resources bank, obtains the Assembling resource of one or more meet demands；
Step 6: determine optimal Assembling resource, specifically:
Step 6.1: available interactive analysis being carried out to multiple Assembling resources for meeting assembly demand, analysis part provides dress
Available effect with resource；
Step 6.2: available reciprocation being classified, one kind is assembly demand available, and another kind of is that assembly is additional can
For property, additional available is assembled there are multiple types, and taking, which wherein influences maximum available to assembly, acts on；
Step 6.3: additional available classification is assembled in analysis under design faced assembling principle control；
Step 6.4: if assembling additional available reciprocation meets design faced assembling principle control, assembly it is additional for
Property be positive available, otherwise generate passive available；It rejects and generates the passive Assembling resource for assembling additional available, matching produces
The raw Assembling resource for actively assembling additional available.
2. a kind of design method based on assembly available Model Matching Assembling resource according to claim 1, feature
It is that the connecting mode in step 5.1) includes thread connection, rigid attachment or resilient connection.
3. a kind of design method based on assembly available Model Matching Assembling resource according to claim 1, feature
It is that the available interactive analysis in step 6.1) includes the analysis of assembly demand available and the additional available analysis of assembly；
The analysis of assembly demand available is using part as main body, and as object, Assembling resource provides part and meets assembly Assembling resource
The available of demand acts on；Assembling additional available analysis is needed using part as object, and Assembling resource is as main body.
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