CN107301310A - A kind of construction method of machine components three-dimensional process template - Google Patents
A kind of construction method of machine components three-dimensional process template Download PDFInfo
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Abstract
A kind of construction method for machine components three-dimensional process template that the present invention is provided, is related to machine components process design technology field.A kind of construction method of machine components three-dimensional process template, pass through the definition to removing feature first, the node process die of all processing nodes of generation, then common processes node is increased after all process nodes of part, automatically generate the three-dimensional process template and technique information homepage of multiple parts, finally the three-dimensional process template to generation is revised and analyzed, generate the standard three-dimensional process die of part, standard three-dimensional process die is uploaded to the processing technology knowledge base of enterprise simultaneously, and issues the three-dimensional process template of establishment.This process simplify the establishment process of part process model, the intellectuality and automation of process modeling building process are improved, provides for the process modeling of complex product and is concisely and efficiently modeling means.
Description
Technical field
The present invention relates to machine components process design technology field, more particularly to a kind of machine components three-dimensional process template
Construction method.
Background technology
More educated, prototype, the development of templating design theory technology reach its maturity, and computer software and hardware calculating speed is big
Width is lifted, and the progress of complex mechanical process design technology has been promoted significantly.At present, directly carried out in product threedimensional model
Technological design and new research direction is turned into based on threedimensional model analog simulation technical process.By to processing technology
Three-dimensional modeling, intuitively embodies parts machining process node to manufacturing the requirement of result, by action, job step, each
The technique information such as class mark and assay requirement is integrated in three-dimensional process model, greatly promotes the automation of manufacturing process
Degree.The research direction in the field mainly has in recent years：(1) Information Organization Model of part process model；(2) part process mould
The wound of type is into technology；(3) the integrated application technology of part process model.However, these work are enterprising in mathematics aspect mostly
Knowledge application technology scheme in row theoretical research, its theoretical shorter mention product threedimensional model, still in the presence of engineering degree compared with
It is low, the problems such as be difficult to use.
The content of the invention
For the defect of prior art, the present invention provides a kind of construction method of machine components three-dimensional process template, realizes
The rapid build of parts machining process model.
A kind of construction method of machine components three-dimensional process template, comprises the following steps：
Step 1：All removal features of required excision when recognizing part processing, set up part processed based on removal feature
Journey binary tree, while requiring to believe according to the selected processing sequence node of enterprise's working ability, and to each processing node additional process
Breath, output includes the processing sequence node of technological requirement information；
When the removal is characterized in the processing of nulling part, different feature when removing the shape facility of material from Element Design,
Remove feature and be divided into six category features, respectively boundary characteristic, feature of caving in, insertion feature, characteristic threads, annular feature and its
Its feature, every kind of feature is defined as follows：
What boundary characteristic referred to directly to remove on original part blank at least intersect with more than two blank surfaces and
Shape positioned at border；
Feature of caving in refers to the shape for the indent and not insertion only intersected with a blank surface；
What insertion feature referred to remove on procedure-node blank at least intersect with more than two blank surfaces it is penetrating and
Shape inside blank；
Characteristic threads refer to remove the situation that the remaining shape formed after material is screw thread；
Annular feature refers to the cylinder form removed by turning or milling；
Further feature refer to needs finishing finishing can not be attributed to the known surface characteristics of each category feature of the above；
Step 2：According to part feature, remove feature, material property, lathe feature and ability and quality inspection require into
Row comprehensive knowledge is matched, and retrieval removes feature machining Process knowledge database, generates the node process die of all processing nodes, specifically
Method is：
Step 2.1：A processing node is taken from the part processing sequence node of generation, part material characteristic and zero is carried out
The identification of part feature, method and initial blank that part is processed are determined according to part material characteristic and part feature；
Step 2.2：The identification of feature and lathe property is removed to the part processing node of selection, tied according to identification
Really, the cutter and machine tool used needed for part processing is determined；
Step 2.3：Part processing node is tested according to the quality inspection of part requirement, the work of part processing is determined
Skill parameter；
Step 2.4：Consider part material, part feature, removal feature, lathe property and quality inspection requirement a variety of
Factor, carries out COMPREHENSIVE CALCULATING and optimization to part processing node, the factor for interacting and interfering is eliminated, according to calculating and optimization
As a result, the node of part is arranged by the order of boundary characteristic, feature of caving in, insertion feature, characteristic threads and annular feature
Sequence, it is determined that processing node sequence, finally determines the process die of the node；
Step 2.5：Judge whether all processing nodes of part generate node process die, if also node is not
Node process die is generated, then separately takes a processing node again from part processing sequence node, re-executes step 2.1~step
Rapid 2.5, the node process die that all parts process node is generated, step 3 is otherwise performed；
Step 3：Increase common processes node after all process nodes of part, collect the technique information of part, automatically
The three-dimensional process template of multiple parts is generated, and generates technique information homepage, specific method is：
Step 3.1：Judge present node whether be part processing sequence node in first node, if first
Node, then retain initial blank, otherwise, using the process die of a upper node as present node initial blank；
Step 3.2：Common processes node is added after currently processing node；
Step 3.3：Judge whether all processing nodes in part processing sequence node all with the addition of common processes section
Point, if there is the processing node for being not added with common processes node, otherwise return to step 3.1 performs step 3.4；
Step 3.4：Enterprise's Production database is called, collects technological requirement information, equipment with part in analytical database
Scheme and processing scheme information, the process die of each processing node by these information with generating are matched, generation multiple zero
The three-dimensional process template of part；According to the required equipment used, cutter, frock upstate, to all three-dimensional process of generation
Template carries out priority ranking, and generates technique information homepage；
Step 4：Three-dimensional process template to generation is revised and analyzed, and generates the standard three-dimensional process die of part,
Specific method is：
The technological requirement information of the part included to the three-dimensional process template in the technique information homepage of generation, equipment side
Case and processing scheme, the adjustment and revision of formula are interacted according to the actual state of factory and production requirement, by adjustment and revision
Three-dimensional process template afterwards saves as standard three-dimensional process die；
Step 5：Standard three-dimensional process die is uploaded to the processing technology knowledge base of enterprise, processing technology knowledge base passes through
The knowledge resided in standard three-dimensional process die is carried out Knowledge Extraction, and will taken out by identification, the process for understanding, screening and concluding
The technique information deposit feature machining Process knowledge database taken, while issuing the three-dimensional process template of establishment.
Further, common processes node described in step 3.2 includes all needing in per pass manufacturing procedure in part process
The inspection to be carried out and deburring process.
Further, standard three-dimensional process die described in step 4 includes the technological requirement information of process die, equipment scheme
And processing scheme, wherein processing scheme include processing mode, cutter scheme and frock scheme.
As shown from the above technical solution, the beneficial effects of the present invention are：A kind of machine components that the present invention is provided are three-dimensional
The construction method of process die, by the definition to removing feature, when building the three-dimensional process template of part, can directly be examined
Rope processing technology knowledge base, inquires about announced template, reduces the workload of designer, saves what three-dimensional process template was built
Time.The standard form of generation is generated technique information homepage and is stored in knowledge base and is compiled issue, can be realized in part
Stock, working ability and the personnel depaly of factory are just considered during design, recommends optimal equipment scheme and processing scheme, so as to carry
The high efficiency and the quality of finished product of processing.This process simplify the establishment process of part process model, technique is improved
The intellectuality and automation of model construction process, provide for the process modeling of complex product and are concisely and efficiently modeling means.
Brief description of the drawings
Fig. 1 is the structural representation of three-dimensional process part to be designed provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the construction method of machine components three-dimensional process template provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram provided in an embodiment of the present invention that part process binary tree is set up based on removal feature；
Fig. 4 is boundary feature structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is the feature structure schematic diagram provided in an embodiment of the present invention that caves in；
Fig. 6 is insertion feature structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is characteristic threads structural representation provided in an embodiment of the present invention；
Fig. 8 is annular feature structural representation provided in an embodiment of the present invention；
Fig. 9 is the flow chart for the node process die that step 2 provided in an embodiment of the present invention generates all processing nodes；
The node process die structural representation that Figure 10 generates for part to be designed provided in an embodiment of the present invention；
Figure 11 is the three-dimensional process template and technique information homepage that step 3 provided in an embodiment of the present invention generates multiple parts
Flow chart；
Figure 12 is the process die block diagram provided in an embodiment of the present invention ultimately generated.
In figure：1st, boundary characteristic；2nd, cave in feature；3rd, insertion feature；4th, characteristic threads；5th, annular feature；6th, upper surface
Boundary characteristic；7th, front end notch boundaries feature；8th, upper rearmost flute caves in feature；9th, left front end is caved in feature；10th, in left front end
Fall into feature；11st, middle part is caved in feature；12nd, middle left part insertion feature；13rd, middle right part insertion；14th, middle right part caves in feature.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
A kind of construction method of machine components three-dimensional process template, sets up on the basis of CAD/CAM system platform, realizes
Three-dimensional process design to aeronautic structure provides quick modeling method.
The present embodiment is directed to the three-dimensional process part for needing to carry out technological design, as shown in figure 1, using a kind of machine components
The construction method of three-dimensional process template be the three-dimensional process part build three-dimensional process template, specific steps as shown in Fig. 2 including
Following steps.
Step 1：All removal features of required excision when recognizing part processing, set up part processed based on removal feature
Journey binary tree, as shown in figure 3, simultaneously according to the selected processing sequence node of enterprise's working ability, and each processing node is added
Technological requirement information, output includes the processing sequence node of technological requirement information.The technological requirement information added in the present embodiment
Roughness, dimensional tolerance and form and position tolerance information including piece surface.
When removal is characterized in the processing of nulling part, different feature when removing the shape facility of material from Element Design is removed
Feature is divided into six category features, is boundary characteristic respectively, feature of caving in, insertion feature, characteristic threads, annular feature and other spies
Levy, every kind of feature is defined as follows：
Boundary characteristic, refer to directly to remove on original part blank at least intersect with more than two blank surfaces and
Shape positioned at border, such as shown in Fig. 4, the part blank border breach of removal is a kind of boundary characteristic 1；
Cave in feature, refer to the shape for the indent and not insertion only intersected with a blank surface, such as shown in Fig. 5, go
The bottom at the part blank center removed has the hexagon breach of material to be caved in feature 2 for one kind；
Insertion feature, at least intersect with more than two blank surfaces penetrating for referring to remove on procedure-node blank and
Shape inside blank, such as shown in Fig. 6, it is one kind to remove the hexagon through hole of the bottom without material at part blank center
Insertion feature 3；
Such as characteristic threads, refer to remove the situation that the remaining shape formed after material is screw thread, shown in Fig. 7, zero
It is characteristic threads 4 that the screw thread after a screw is removed on part blank；
Such as annular feature, refers to the cylinder form removed by turning or milling, shown in Fig. 8, on part blank
The cylinder form of removal is annular feature 5；
Further feature refer to needs finishing finishing can not be attributed to the known surface characteristics of each category feature of the above.
Step 2：According to part feature, remove feature, material property, lathe feature and ability and quality inspection require into
Row comprehensive knowledge is matched, and retrieval removes feature machining Process knowledge database, is generated the node process die of all processing nodes, is such as schemed
Shown in 9, specific method is：
Step 2.1：A processing node is taken from the part processing sequence node of generation, part material characteristic and zero is carried out
The identification of part feature, method and initial blank that part is processed are determined according to part material characteristic and part feature.The present embodiment
In there is groove, circular hole, square opening in part to be designed, should be processed using the method for Milling Process；
Step 2.2：The identification of feature and lathe property is removed to the part processing node of selection, tied according to identification
Really, the cutter and machine tool used needed for part processing is determined.The removal feature of design elements identification is treated in the present embodiment
Including plane, inclined-plane, groove and the feature in hole, it is necessary to which the lathe property used is main shaft is arranged vertically, workbench can above and below
Lifting, thereby determines that part to be designed needs to use vertical knee-type milling machine and slotting cutter to be processed, and the diameter range of slotting cutter is 2
~50mm；
Step 2.3：Part processing node is tested according to the quality inspection of part requirement, the base of part processing is determined
Quasi- face, allowance and the accessory size margin of tolerance these technological parameters.In the present embodiment on the basis of part upper surface face, zero
Part dimensional tolerance model is 0~+2；
Step 2.4：Consider part material, part feature, remove feature, lathe property and quality inspection it is a variety of because
Element, carries out COMPREHENSIVE CALCULATING and optimization to part processing node, eliminates the factor for interacting and interfering, tied according to calculating and optimizing
Really, the node of part is ranked up by the order of boundary characteristic, feature of caving in, insertion feature, characteristic threads and annular feature,
It is determined that processing node sequence, finally determines the process die of the node.The removal feature of part to be designed is only wrapped in the present embodiment
Include boundary characteristic, feature of caving in and insertion feature, so being saved by the order of boundary characteristic, feature of caving in and insertion feature to processing
Point sequence is ranked up；
Step 2.5：Judge whether all processing nodes of part generate node process die, if also node is not
Node process die is generated, then separately takes a processing node again from part processing sequence node, re-executes step 2.1~step
Rapid 2.5, the node process die that all parts process node is generated, step 3 is otherwise performed；
Part symbiosis to be designed as shown in Figure 10, is respectively into eight node process dies in the present embodiment：First section
Point process die, the node process die removes the upper surface boundary characteristic 6 of part；Second node process die, the node
Process die removes the front end notch boundaries feature 7 of part；3rd node process die, the node process die removes part
Upper rearmost flute cave in feature 8；Cave in spy at 4th node process die, the left front end that the node process die removes part
Levy 9；5th node process die, the left end that the node process die removes part caves in feature 10；6th node technique
Template, the node process die removes feature 11 of being caved in the middle part of part；7th node process die, the node process die
Remove the middle left part insertion feature 12 of part；8th node process die, the node process die removes the middle right part of part
Insertion feature 13 and feature 14 of caving in.
Step 3：Increase the work of part in common processes node, combined data storehouse after all process nodes of current part
Skill information, automatically generates the three-dimensional process template of part, generates technique information homepage, as shown in figure 11, specific method is：
Step 3.1：Judge present node whether be part processing sequence node in first node, if first
Node then retains initial blank, and otherwise the process die of a upper node is revised as to the initial blank of present node；
Step 3.2：Common processes node is added after currently processing node；
Each process of part includes examining the process with deburring, so these processes are set into general work
Skill node, and be added to after present node；
Step 3.3：Judge whether all processing nodes in part processing sequence node all with the addition of common processes section
Point, if there is the processing node for not adding common processes node, otherwise return to step 3.1 performs step 3.4；
Step 3.4：Enterprise's Production database is called, collects technological requirement information, equipment with part in analytical database
Scheme and processing scheme information, the process die of each processing node by these information with generating are matched, generation multiple zero
The three-dimensional process template of part；According to the required equipment used, cutter, frock upstate, to all three-dimensional process of generation
Template carries out priority ranking, and generates technique information homepage；
Step 4：Three-dimensional process template to generation is revised and analyzed, and generates the standard three-dimensional process die of part,
Specific method is：
The technological requirement information of the part included to the three-dimensional process template in the technique information homepage of generation, equipment side
Case and processing scheme, the adjustment and revision of formula are interacted according to the actual state of factory and production requirement, by adjustment and revision
Three-dimensional process template afterwards saves as standard three-dimensional process die, as shown in figure 12, including initial blank and eight processing nodes
And universal nodes；
Step 5：Standard three-dimensional process die is uploaded to the processing technology knowledge base of enterprise, processing technology knowledge base passes through
The knowledge resided in standard three-dimensional process die is carried out Knowledge Extraction, and will taken out by identification, the process for understanding, screening and concluding
The technique information deposit feature machining Process knowledge database taken, while issuing the three-dimensional process template of establishment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or which part or all technical characteristic are equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from the model that the claims in the present invention are limited
Enclose.
Claims (3)
1. a kind of construction method of machine components three-dimensional process template, it is characterised in that：Comprise the following steps：
Step 1：All removal features of required excision when recognizing part processing, part process two is set up based on feature is removed
Fork tree, while according to the selected processing sequence node of enterprise's working ability, and to each processing node additional process require information, it is defeated
Go out the processing sequence node including technological requirement information；
When the removal is characterized in the processing of nulling part, different feature when removing the shape facility of material from Element Design is removed
Feature is divided into six category features, respectively boundary characteristic, feature of caving in, insertion feature, characteristic threads, annular feature and other spies
Levy, every kind of feature is defined as follows：
Boundary characteristic refers to that what is directly removed on original part blank at least intersects and be located at more than two blank surfaces
The shape on border；
Feature of caving in refers to the shape for the indent and not insertion only intersected with a blank surface；
It is penetrating and be located at that what insertion feature referred to remove on procedure-node blank at least intersect with more than two blank surfaces
Shape inside blank；
Characteristic threads refer to remove the situation that the remaining shape formed after material is screw thread；
Annular feature refers to the cylinder form removed by turning or milling；
Further feature refer to needs finishing finishing can not be attributed to the known surface characteristics of each category feature of the above；
Step 2：Require that progress is comprehensive according to part feature, removal feature, material property, lathe feature and ability and quality inspection
Knowledge matching is closed, retrieval removes feature machining Process knowledge database, generate the node process die of all processing nodes, specific method
For：
Step 2.1：A processing node is taken from the part processing sequence node of generation, part material characteristic is carried out and part is special
The identification levied, method and initial blank that part is processed are determined according to part material characteristic and part feature；
Step 2.2：The identification of feature and lathe property is removed to the part of selection processing node, according to recognition result, really
Determine the cutter and machine tool used needed for part processing；
Step 2.3：Part processing node is tested according to the quality inspection of part requirement, the technique ginseng of part processing is determined
Number；
Step 2.4：Consider part material, part feature, remove feature, lathe property and quality inspection requirement it is a variety of because
Element, carries out COMPREHENSIVE CALCULATING and optimization to part processing node, eliminates the factor for interacting and interfering, tied according to calculating and optimizing
Really, the node of part is ranked up by the order of boundary characteristic, feature of caving in, insertion feature, characteristic threads and annular feature,
It is determined that processing node sequence, finally determines the process die of the node；
Step 2.5：Judge whether all processing nodes of part generate node process die, if also node is not generated
Node process die, then separately take a processing node, re-execute step 2.1~step again from part processing sequence node
2.5, the node process die that all parts process node is generated, step 3 is otherwise performed；
Step 3：Increase common processes node after all process nodes of part, collect the technique information of part, automatically generate
The three-dimensional process template of multiple parts, and technique information homepage is generated, specific method is：
Step 3.1：Judge present node whether be part processing sequence node in first node, if first section
Point, then retain initial blank, otherwise, using the process die of a upper node as present node initial blank；
Step 3.2：Common processes node is added after currently processing node；
Step 3.3：Judge whether all processing nodes in part processing sequence node all with the addition of common processes node, such as
Fruit also has the processing node for being not added with common processes node, then return to step 3.1, otherwise performs step 3.4；
Step 3.4：Enterprise's Production database is called, is collected and the technological requirement information of part, equipment scheme in analytical database
With processing scheme information, the process die of each processing node by these information with generating is matched, and generates multiple parts
Three-dimensional process template；According to the required equipment used, cutter, frock upstate, to all three-dimensional process templates of generation
Priority ranking is carried out, and generates technique information homepage；
Step 4：Three-dimensional process template to generation is revised and analyzed, and generates the standard three-dimensional process die of part, specifically
Method is：
The technological requirement information of the part included to the three-dimensional process template in the technique information homepage of generation, equipment scheme and
Processing scheme, the adjustment and revision of formula are interacted according to the actual state of factory and production requirement, will be adjusted and revised
Three-dimensional process template saves as standard three-dimensional process die；
Step 5：Standard three-dimensional process die is uploaded to the processing technology knowledge base of enterprise, processing technology knowledge base is by knowing
The knowledge resided in standard three-dimensional process die is carried out Knowledge Extraction by the process for, not understanding, screening and concluding, and will be extracted
Technique information deposit feature machining Process knowledge database, while issue establishment three-dimensional process template.
2. a kind of construction method of machine components three-dimensional process template according to claim 1, it is characterised in that：Step
Common processes node described in 3.2 includes the inspection and deburring for being required for carrying out in per pass manufacturing procedure in part process
Journey.
3. a kind of construction method of machine components three-dimensional process template according to claim 1, it is characterised in that：Step 4
The standard three-dimensional process die includes technological requirement information, equipment scheme and the processing scheme of process die, wherein processing side
Case includes processing mode, cutter scheme and frock scheme.
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| CN107301310B (en) | 2020-07-10 |
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