CN106843158A - The CAM system and processing method of punching press frame connecting plate equipment - Google Patents
The CAM system and processing method of punching press frame connecting plate equipment Download PDFInfo
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- CN106843158A CN106843158A CN201710283148.4A CN201710283148A CN106843158A CN 106843158 A CN106843158 A CN 106843158A CN 201710283148 A CN201710283148 A CN 201710283148A CN 106843158 A CN106843158 A CN 106843158A
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- slotted hole
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
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- Automation & Control Theory (AREA)
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Abstract
The CAM system and processing method of a kind of punching press frame connecting plate equipment, it is characterized in that including such as lower module：Pre-treatment and mould database management module, automatic adaptation die module, optimization module, automatic tracing-edge module, NC program creations module and analog simulation module；Connecting plate data and mould database data are respectively put into corresponding array by pre-treatment and mould database management module；Automatic adaptation die module carries out automatic adaptation mould to all valid data in array by conventional adaptation die methods or slotted hole adaptation die methods, and is written back in connecting plate shape library；Optimization module reads mould of the data of automatic adaptation mould respectively to conventional adaptation mould or slotted hole adaptation die methods adaptation and processes, automatic tracing-edge module is to heterotype profiled sheet treatment, then the steps such as NC program creations, analog simulation are carried out, the punching program for being adapted to stamping connection board device is formed, is sent in connecting plate numerical control punching equipment and is produced and processed.
Description
Technical field
Machine Design, control system and Computer-aided manufacturing field the present invention relates to numerical control punching equipment, especially
It is related to the CAM system of automobile frame connecting plate punching apparatus.
Background technology
Vehicle frame is the installation foundation of each part on automobile, is generally made up of longitudinal and cross beam, connects each parts of automobile,
Bear the various load outside from in-car;Connecting plate (i.e. crossbeam) is the important component of vehicle frame, and connecting plate its feature one is
At more than ten to dozens of, new connecting plate carries one or several slotted holes very long, generally these length to hole position
Circular hole horizontal or vertical direction is placed;Two is that to have many be shaped piece to connecting plate, and the processing of usual these connecting plate parts is used
The manual punching of punch press is drilled with electric drill, and low precision, efficiency is low, with the requirement of car mass and security, connecting plate
Punching is processed with numerical-control hydraulic sheet metal punching apparatus, because numerical-control hydraulic sheet metal punching apparatus set for standard plate
Meter, heterotype profiled sheet is difficult to be automatically positioned, and generally with manual positioning, have impact on the efficiency of the speed of connecting plate numerical control punching equipment.
The present invention with connecting plate numerical control punching equipment as goal in research, its punch pattern in automobile connecting plate numerical control punching equipment at present
Have the disadvantage that：1st, irregular sheet material (special-shaped part) is difficult to position；2nd, slotted hole very long is unable to automated cutter setting-up；3rd, mould
Tool unbalance loading is easily broken off, and influences service life.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of CAM systems of punching press frame connecting plate equipment
System, for tradition connection board device can not the shortcoming of processing profiled plate carried out technological innovation, by automatic tracing-edge realize from
Dynamic positioning;Give a new automated cutter setting-up solution for slotted hole long, with reach adapt to connecting plate punching press at a high speed,
High-performance, it is efficient the characteristics of improve the purpose that punching speed and precision extend die life.
This programme is achieved by the following technical measures：A kind of CAM system of punching press frame connecting plate equipment, it is special
Levy is that it includes：Pre-treatment and mould database management module：Pre-treatment and mould database management module define public variable and punching press number
Group D, optimization array D, die storehouse array M, CAM layer；Foundation is connected with CAD system；The data of outer mold library file are read, it is right
Each mould is set up mould block graphics in the form of block and the data of each mould is put into die storehouse array M；Read CAD connections
The figure of plate shape library, obtains layer, color, linear, sheet material shape and the graph data of CAD diagram shape, if figure is not long
Circular hole, this step wouldn't deal with；If oval hole pattern, the circle diagram long that the arc of slotted hole two in CAD diagram shape and two straight lines are surrounded
Shape formation face domain, layer and the same layer of circular arc in face domain, color is homochromy with circular arc, and the shape in face domain is written back to CAD parts connecting plate figure
In shape storehouse；Reading slotted hole is processed after all pixels of CAD parts connecting plate shape library therefrom to filter out needs suitable
Changed into punching press array D with the Map Element Data required for mould and automatic tracing-edge；And the data of punching press array D are exported to automatic
Adaptation die module and automatic tracing-edge module；
Automatic tracing-edge module:Automatic tracing-edge module receives the sheet material shape that pre-treatment and the transmission of mould database management module come, if
Sheet material shape is standard rectangular, is processed by conventional panels；If sheet material shape is irregular shape (heterotype profiled sheet), use
Automatic tracing-edge treatment, and export result to NC program creation modules；
Automatic adaptation die module：Automatic adaptation die module includes conventional adaptation die module and slotted hole adaptation mould mould
Block, and to all graph datas according to conventional adaptation die methods or slotted hole adaptation die methods adaptation mould, and adaptation mould
Mold graph afterwards is written back in the connecting plate shape library of CAD parts；Automatic adaptation die module is from pre-treatment and mould library management
Module obtains punching press array D：Slotted hole is adapted to die module and obtains oval hole data from pre-treatment and mould database management module, by
In the feature that the slotted hole of connecting plate has horizontal positioned or is disposed vertically, adaptation mould also uses the oval of horizontal positioned accordingly
Mould or the oval mould being disposed vertically are adapted to；Conventional adaptation die module is defeated from pre-treatment and mould database management module
The punching press array D for going out obtains data；One group of data of circle is first taken, is judged in punching press array D in diameter of a circle and mould array
（No. 1-9）Mould diameter it is whether equal：If the equal CAM mold graph of the mould number being written back in graphic data base
On layer, continue to take next group of data in punching press array D；If taking next mould and being judged again；If all moulds are all
The circle can not be adapted to, then exports " circle shows central coordinate of circle numerical value and diameter without suitable mould "；Punching press array D is taken again
In next circle carry out above operation, until the data in punching press array D be all adapted to completion untill；And export automatic adaptation mould
The result of tool is to optimization module；
Optimization module：Optimization module reads all moulds that the output of automatic adaptation die module is to CAM layers of connecting plate shape library
The parameters such as figure, and die information, the coordinate value of mold graph, mould types of adaptations are put into by pre-treatment and mould library management
Sequence is optimized in the optimization array D of module definition；Export ranking results to NC program creation modules；
NC program creation modules：The data of array, are pressed suitable by the ranking results that NC program creations module is exported according to optimization module
Sequence is converted into the Sentence format of output and is displayed in output forms and the Sentence format of output is write into NC program files, defeated
Going out in NC programs to the digital control system of frame connecting plate equipment carries out punch process.
Specific feature of the invention also has, and automatic tracing-edge treatment refers to automatic tracing-edge module from pre-treatment and mould library management
All vertical lines of selection x=0 in CAD connecting plate shape libraries are obtained in module（90 degree or 270 degree of lines）, if a plurality of x=0's
Vertical line, takes maximum that of Y value as the left side bearing of part, takes its length；
If it is wide that the length of left side bearing is equal to plate, processed by conventional panels；
If the length of left side bearing<100, sheet material moves down 15mm；
If the length of left side bearing>=100 and wide less than plate, sheet material moves to left the centre of line.
The treatment of heterotype profiled sheet be automatic tracing-edge be by moving up and down the left side bearing of shaped piece and positioning pin contacts, from
And determining workpiece Y-axis, the side of clamp clamping is X-axis, determines the coordinate system of workpiece.
The algorithm of slotted hole adaptation die methods is as follows:
If slotted hole overall length is L80And angle A, horizontal positioned takes X-direction, is disposed vertically and takes Y-direction；Obtain the length of oval mould
It is L to spend30(horizontal positioned takes X-direction, is disposed vertically and takes Y-direction), seeks the difference L of two length67=L80-L30, mould straight line portion
Length L17, seek L67Divided by L17Ending number DS (i.e. the punching press number of times of mould)；
If the angle A of slotted hole is the oval mould adaptation of horizontal positioned horizontal positioned
In the middle one-shot of slotted hole if DS=1
The first knife X if DS=21=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
The first knife X if DS=31=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife X1=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Last knife Xmax=in the central point X+L of slotted hole80/ 2- knives half long
Ymax=in the central point Y of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2xL30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the X of pointi=the first X of cutter punching point1+ step-length
Yi=in the central point Y of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1；
If the oval mould adaptation that the angle A of slotted hole is the use being disposed vertically to be disposed vertically
In the middle one-shot of slotted hole if DS=1
The first knife Y if DS=21=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
The first knife Y if DS=31=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife Y1=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Last knife Ymax=in the central point Y+L of slotted hole80/ 2- knives half long
Xmax=in the central point X of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2×L30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the Y of pointi=the first Y+ step-length of cutter punching point
Xi=in the central point X of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1
Finally the mold graph of adaptation is written back in the connecting plate shape library of CAD parts.
Present invention also offers a kind of CAM processing methods of punching press frame connecting plate equipment, it is characterized in that it is including as follows
Step：
Pre-treatment and die storehouse management process：Pre-treatment and die storehouse management process define public variable and punching press array D, optimization
Array D, die storehouse array M, CAM layer；Foundation is connected with CAD system；The data of outer mold library file are read, to each mould
Mould block graphics is set up in the form of block and the data of each mould are put into die storehouse array M；Read CAD connecting plate shape libraries
Figure, the layer of CAD diagram shape, color, linear, sheet material shape and graph data are obtained, if figure is not slotted hole, this step
Wouldn't deal with；If oval hole pattern, the oval figure surrounded to the arc of slotted hole two in CAD diagram shape and two straight lines forms face
Domain, layer and the same layer of circular arc in face domain, color is homochromy with circular arc, and the shape in face domain is written back in the connecting plate shape library of CAD parts；Read
Take the CAD parts connecting plate shape library after processing slotted hole all pixels therefrom filter out need adaptation mould and from
The Map Element Data required for seeking side is moved to change into punching press array D；And export the data of punching press array D to automatic adaptation mould and walk
Rapid and automatic tracing-edge step；
Automatic tracing-edge step:Automatic tracing-edge step receives the sheet material shape that pre-treatment and the transmission of die storehouse management process come, if
Sheet material shape is standard rectangular, is processed by conventional panels；If sheet material shape is irregular shape i.e. heterotype profiled sheet, use
Automatic tracing-edge treatment, and export result to NC program creation steps；
Automatic adaptation molding process：Automatic adaptation molding process includes conventional adaptation molding process and slotted hole adaptation mould step
Suddenly, and to all graph datas according to conventional adaptation die methods or slotted hole adaptation die methods adaptation mould, and adaptation mould
Mold graph afterwards is written back in the connecting plate shape library of CAD parts；Automatic adaptation molding process is from pre-treatment and mould library management
Step obtains punching press array D：Slotted hole is adapted to molding process and obtains oval hole data from pre-treatment and die storehouse management process, by
In the feature that the slotted hole of connecting plate has horizontal positioned or is disposed vertically, adaptation mould also uses the oval of horizontal positioned accordingly
Mould or the oval mould being disposed vertically are adapted to；Conventional adaptation molding process is defeated from pre-treatment and die storehouse management process
The punching press array D for going out obtains data；One group of data of circle is first taken, is judged in punching press array D in diameter of a circle and mould array
Whether mould diameter is equal：If continuing to take on the equal CAM floor for being written back in graphic data base the mold graph of the mould number
Next group of data in punching press array D；If taking next mould and being judged again；If all moulds can not all be adapted to this
Circle, then export " circle shows central coordinate of circle numerical value and diameter without suitable mould "；Take again next in punching press array D
Circle carries out above operation, untill the data in punching press array D are all adapted to completion；And export the result of automatic adaptation mould extremely
Optimization Steps；
Optimization Steps：Optimization Steps read all moulds that the output of automatic adaptation molding process is to CAM layers of connecting plate shape library
The parameters such as figure, and die information, the coordinate value of mold graph, mould types of adaptations are put into by pre-treatment and mould library management
Sequence is optimized in the optimization array D of step definition；Export ranking results to NC program creation steps；
NC program creation steps：The data of array, are pressed suitable by the ranking results that NC program creations step is exported according to Optimization Steps
Sequence is converted into the Sentence format of output and is displayed in output forms and the Sentence format of output is write into NC program files, defeated
Going out in NC programs to the digital control system of frame connecting plate equipment carries out punch process.
Automatic tracing-edge treatment refers to that automatic tracing-edge step obtains CAD connecting plate figures from pre-treatment and die storehouse management process
All vertical lines that x=0 is chosen in shape storehouse are 90 degree or 270 degree of lines, if the vertical line of a plurality of x=0, take that of Y value maximum
Bar takes its length as the left side bearing of part；
If it is wide that the length of left side bearing is equal to plate, processed by conventional panels；
If the length of left side bearing<100, sheet material moves down 15mm；
If the length of left side bearing>=100 and wide less than plate, sheet material moves to left the centre of line.
The algorithm of the slotted hole adaptation die methods is as follows:
If slotted hole overall length is L80And angle A, horizontal positioned takes X-direction, is disposed vertically and takes Y-direction；Obtain the length of oval mould
It is L to spend30, horizontal positioned takes X-direction, is disposed vertically and takes Y-direction, seeks the difference L of two length67=L80-L30, mould straight line portion is long
Degree L17, seek L67Divided by L17Ending number DS (i.e. the punching press number of times of mould)；
If the angle A of slotted hole is the oval mould adaptation of horizontal positioned horizontal positioned
In the middle one-shot of slotted hole if DS=1
The first knife X if DS=21=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
The first knife X if DS=31=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife X1=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Last knife Xmax=in the central point X+L of slotted hole80/ 2- knives half long
Ymax=in the central point Y of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2xL30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the X of pointi=the first X of cutter punching point1+ step-length
Yi=in the central point Y of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1；
If the oval mould adaptation that the angle A of slotted hole is the use being disposed vertically to be disposed vertically
In the middle one-shot of slotted hole if DS=1
The first knife Y if DS=21=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
The first knife Y if DS=31=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife Y1=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Last knife Ymax=in the central point Y+L of slotted hole80/ 2- knives half long
Xmax=in the central point X of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2*L30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the Y of pointi=the first Y+ step-length of cutter punching point
Xi=in the central point X of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1
Finally the mold graph of adaptation is written back in the connecting plate shape library of CAD parts.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）A kind of CAM system of punching press frame connecting plate equipment of the present invention, for disadvantage present in conventional legacy equipment, hair
Understand special-shaped part processing method-automatic tracing-edge, realize process velocity (the every connecting plate contracting for being automatically positioned the equipment of improve
It is short 1 minute), improve 20% efficiency.
（2）A kind of CAM system of punching press frame connecting plate equipment of the present invention, traditional slotted hole adaptation mould is according to oval
The radius in hole, length, width carries out selection area approximation and carries out punching press in equal mould, and in connecting plate figure, it is oval
Hole is often very long, because mold station is less in equipment, and tonnage limitation, typically completed with oval mould Multi-step forming;
New automated cutter setting-up method is employed for the slotted hole of special length, so as to improve punching speed, mould unbalance loading is overcome, extended
Mold use life-span, cost is saved.
Brief description of the drawings
The present invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is a kind of system block diagram of punching press frame connecting plate equipment CAM system.
Fig. 2 is the die storehouse layout drawing of punching press frame connecting plate equipment.
Fig. 3 is a kind of DFD of punching press frame connecting plate equipment CAM system.
Fig. 4 is the program flow diagram that slotted hole is adapted to mould.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, develop simultaneously embodiment referring to the drawings, right
The present invention is described in further detail.
Fig. 1 is a kind of system block diagram of the CAM system of punching press frame connecting plate equipment, including three parts, and CAD parts are
Draw the figure of connecting plate；CAM parts are core contents, and function is to read the connecting plate drawing of connecting plate shape library, fit automatically
With mould, optimization, create NC programs；Part III program performs object --- stamping connection plate numerical control punching equipment.
A kind of CAM system of punching press frame connecting plate equipment, it includes：
Pre-treatment and mould database management module：Define die storehouse array M, punching press array D, optimization array D, CAM layer, simulation layer with
And public variable；The parameter that forms are set is read, is stored in the public variable of data definition module definition, parameter has program
Number, connecting plate length, connecting plate width, thickness, X strokes, Y strokes etc.；The connection of CAD and CAM is set up, connecting plate figure is read
All pixels in storehouse, filter out pixel title equal to circle, the straight line of x=0, the entity of slotted hole, obtain entity attributes value:Circle
Attribute have the center of circle and straight warp, the attribute of straight line has the length of starting point coordinate, terminal point coordinate, the angle of line and line, slotted hole
Attribute has arc radius, overall length, center point coordinate, angle, straight line portion length, and these attributes are changed into punching press array D's
In each row；The data for reading outer mold storehouse are put into mould database data；And array and public variable are passed to automatic adaptation
Each functional module such as die module, optimization module, automatic tracing-edge module, analog simulation module, NC program creation modules.
The data structure of punching press array D and optimization array D, Public D (3000,7) As STRING
D(i,0):Pixel type (circle, straight line, slotted hole), D（i,1):In the starting point X values or slotted hole of x coordinate value or straight line
Heart coordinate X D (i, 2):The centre coordinate Y D (i, 3) of the starting point Y value or slotted hole of Y-coordinate value or straight line:In punching press array D
The arc diameter or terminal X values D (i, 4) of straight line of storage diameter of a circle or slotted hole:The terminal Y value D (i, 5) of straight line is deposited
Straighten length D (i, 6) storage straight line or the oval orifice angle of line length or slotted hole；Mould D is deposited in optimization array D
(i,4):The inclined D of x+x (i, 5):Y+y is inclined；For automatic adaptation die module, optimization module, automatic tracing-edge module, analog simulation mould
The functional modules such as block, NC program creation modules.
Die storehouse array M is two-dimensional array, Public M (9,8) As Variant ' storage die storehouses：Station number
（Mould number）, type, size X, size Y, size R, diameter, angle, X-direction biasing, Y-direction biasing, for automatic adaptation mould
The functional modules such as tool module, optimization module, analog simulation module, NC program creation modules.
Public variable:Public PROGNUM As String ' program numbers
Public BANLENTH As String ' panel lengths
Public BANWIDTH As String ' strip widths
Public HOUDU As String ' thickness
Public CLQD As Double ' the strengths of materials
Public PNum As Integer ' effectively hole countings etc. more than 100, are respectively used to each functional module.
Automatic adaptation die module：Data in the punching press array D for being exported to pre-treatment and mould database management module respectively
Method according to conventional adaptation mould and slotted hole adaptation mould carries out adaptation mould, and in mold graph write-in shape library；
Including conventional adaptation die module and slotted hole adaptation die module.
（1）Conventional adaptation die module, the pixel type in species and punching press array D according to die storehouse respectively to circle and
One time the slotted hole of punching press carries out adaptation mould.
The punching press array D that the property value of circular hole and slotted hole, mold data are exported by pre-treatment and mould database management module
There is provided with mould array, mold graph is write shape library after adaptation mould；Read for optimization module.
（2）Slotted hole is adapted to die module：For can not a slotted hole for punching press, by two, three, the calculating of Multi-step forming
Method carries out adaptation mould to the figure, and the property value of slotted hole, mold data are exported by pre-treatment and mould database management module
Punching press array D and mould array provide, adaptation mould after mold graph is write shape library；Read for optimization module；Below
It is a big slotted hole horizontal positioned, needs the model of the main calculation methods for being adapted to oval punch die more than 3 knives:
L80Slotted hole overall length on=figure
L30The length of=oval mould
L67= L80 - L30' seek the difference of two length
L17=mould straight line portion length
DS=int(L67/ L17+ 0.99) L ' is sought67Divided by L17Ending number DS (i.e. the punching press number of times of mould)；
If DS>3 first knife X1=in the central point X- L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Punching point adaptation cutter
Last knife Xmax=in the central point X+ L of slotted hole80/ 2- knives half long
Ymax=in the central point Y of slotted hole
Punching point adaptation cutter
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80 -2* L30
Step-length=residue length/residue knife number
Do While residue knife numbers>When=1
Rush the X of pointi=the first X+ step-length of cutter punching point
Yi=in the central point Y of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Loop
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1.Do While..loop are the circulations of standard
Sentence.
Traditional optimization module：Optimization module reads all pieces of CAM layers of the shape library of automatic adaptation die module write-back
The coordinate value and mould number of insertion point bias ascending sequence to be put into optimization array D by X+ moulds, if x+ biasing phases
Together, Y presses minimum distance；And optimization array D data that sequence completes are exported to NC program creations module and analog simulation module.
Automatic tracing-edge module：The parameter that sheet material of the automatic tracing-edge module in pre-treatment and mould database management module is set
It is the data of the straight line of X=0 with the pixel type in punching press array D, judges whether it is heterotype profiled sheet, heterotype profiled sheet is by upper and lower
The mobile left side bearing shaped piece and positioning pin contacts, so that it is determined that workpiece Y-axis, the side of clamp clamping is X-axis, determines workpiece
Coordinate system；And export workpiece mobile data to NC program creation modules.
NC program creation modules：The ranking results that NC program creations module is exported according to optimization module, the number of array
It is displayed in output forms and the Sentence format of output is write into NC programs text according to the Sentence format of output is converted into order
In part, the program that is sent to processes operation or the simulation emulation in forms are visualized in performing object.
Analog simulation module：The data of reading NC programs carry out visual simulating in connecting plate shape library and show successively,
Exit mould and enter normal display.
Fig. 2 is die storehouse layout drawing, and mould structure is the arrangement of two rows, and heel row is to place big mould, only 4,
Front row is to place small 5, mould, mould sum 9.
Station mould-type die size X-direction biases placed angle
1 dise knife 900
2 dise knifes 15 50.5 0
3 dise knifes 17 101 0
4 dise knifes 13 151.5 0
5 dise knifes 11 202 0
6 dise knifes 35 60
7 dise knifes 40 66 0
8 dise knifes 50 131 0
9 dise knifes long 40 × 30 196 0 or 90
As shown in figure 3, main in the CAM system of punching press frame connecting plate equipment have a two data streams, first data flow is from CAD
Figure is written back to CAD parts connecting plate shape library through automatic adaptation die module, realize pre-treatment and mould database management module and
The function of automatic adaptation die module.One figure of connecting plate reads figure by pre-treatment and mould database management module to be turned into
Pixel set（Including circle, line, size marking, polygon, rectangle, circular arc, ellipse etc.）, pixel set is by screening circle, line, length
Circular hole filtering turns into three kinds of set of pixel, and three kinds of set of pixel obtain property value:Round attribute has the center of circle and straight warp, straight line
Attribute have the length of starting point coordinate, terminal point coordinate, the angle of line and line, the attribute of slotted hole have arc radius, overall length, in
Heart point coordinates, angle, straight line portion length turn into attribute set, and attribute set is assigned to punching press array D, sheet material by numerical value conversion
Data are also placed in punching press array D, and punching press array D presses the sequence of pixel type entry turns into orderly self-defined array, makes by oneself in order
Whole pixels of adopted array transmit data according to three data flows, and one flow direction is conventional adaptation die module, conventional adaptation
The corresponding pixel of die module is the slotted hole of circle and a punching press, by multilevel iudge, then forms mold block, writes CAD
Part connecting plate shape library；
The slotted hole taken out from punching press array D（The slotted hole of punching press more than twice need to be processed）, mould is adapted to through slotted hole
Module, slotted hole adaptation die module needs to read in the data of die storehouse, in order the slotted hole of self-defined array, equal diameters
Mould is adapted to, and the mould of all adaptations is all formed mold block write-in CAD parts connecting plate shape library；Read for optimization module
Take；
Automatic tracing-edge module needs to read in sheet material information, that is, find X=0 straight lines, for judging heterotype profiled sheet, carries out heterotype profiled sheet
Treatment (automatic tracing-edge), its result (workpiece mobile data) write-in NC programs；
Second data flow is to realize traditional optimization module, NC program creations module and analog simulation module, from the first number
According to flow back to write connecting plate shape library all pieces of coordinate values of insertion point, mould number to create NC programs, traditional optimization module lead to
Cross and read the mold block of connecting plate shape library and turn into mould set, mould set is by obtaining insertion point co-ordinate, the mould of mold block
Tool number, then is assigned to optimize the 1st of array D by the X-coordinate of insertion point, and the Y-coordinate of insertion point is assigned to optimize the of array D
2, mould number is assigned to optimize the 3rd of array D, and the X-coordinate+mould biasing of insertion point is assigned to optimize the 4th of array D, note
Record number is assigned to optimize the 0th of array D, and the mould number of same size is assigned to optimize the 6th formation optimization array D of array D,
Optimization array D is by pressing the sequence of mould size（Press D the 3rd）, as optimization array D in order, optimize array D such as in order
Fruit is the mould being adapted to by subregion, directly to ordered queue, is exported to simulation demo or NC programs.
Fig. 4 is the program flow diagram that slotted hole is adapted to mould；Realize slotted hole be adapted to die module function, including with
Lower step：
401 slotted holes adaptation die module is realized being fetched from die storehouse being put into die storehouse array M according to die size.
402 everybody the corresponding data for realizing die storehouse array M：M(i,0):Station number；M(i,1):Mould-type； M
(i,2):X is to length；M(i,3):Y-direction width；M(i,4):Arc radius；M(i,5):Circular diameter；M(i,6):Placed angle.
403 realize connection shape libraries, screen punching press pixel and are put into 1,2 of punching press array D.
404 realize being put into pixel screening related data punching press array D 3-6.
405 to 427 realize asking circle and slotted hole to be adapted to mould, are realized with circulation；Detailed step is：405 realize that j assigns initial value
1.The 406 J row data for realizing taking punching press array D and optimization array D, that is, take D (J, 0), D (J, 1), D (J, 2), D (J, 3), D (J,
4)、D(J,5)、D(J,6).407 realize judging whether it is slotted hole, if sentencing punching press number of times；If not judge whether circle,
And it is adapted to mould at round center.408 realize slotted hole can a punching press judge, if mould can be adapted at oval center
Tool, if can not be calculated into punching press number of times.409 to 410 realize stamping process of slotted hole.411 realize judging oval
Angle.412 to the 417 slotted hole treatment for realizing horizontal positioned.418 to 423 realize that the slotted hole being disposed vertically is processed.424 sentence
Whether disconnected be round, if 425 realize being adapted to mould at round center, if not processing (straight line) directly reads next line number
According to.426 realize that data row plus 1.427 realize that circular increment is shifted；It is complete that all circular holes and slotted hole have all been adapted to die treatment
Finish, terminated by 428.
Claims (6)
1. a kind of CAM system of punching press frame connecting plate equipment, it is characterized in that it includes：
Pre-treatment and mould database management module：Pre-treatment and mould database management module define public variable and punching press array D, optimization
Array D, die storehouse array M, CAM layer；Foundation is connected with CAD system；The data of outer mold library file are read, to each mould
Mould block graphics is set up in the form of block and the data of each mould are put into die storehouse array M；Read CAD connecting plate shape libraries
Figure, the layer of CAD diagram shape, color, linear, sheet material shape and graph data are obtained, if figure is not slotted hole, this step
Wouldn't deal with；If oval hole pattern, the oval figure surrounded to the arc of slotted hole two in CAD diagram shape and two straight lines forms face
Domain, layer and the same layer of circular arc in face domain, color is homochromy with circular arc, and the shape in face domain is written back in the connecting plate shape library of CAD parts；Read
Take the CAD parts connecting plate shape library after processing slotted hole all pixels therefrom filter out need adaptation mould and from
The Map Element Data required for seeking side is moved to change into punching press array D；And export the data of punching press array D to automatic adaptation mould mould
Block and automatic tracing-edge module；
Automatic tracing-edge module:Automatic tracing-edge module receives the sheet material shape that pre-treatment and the transmission of mould database management module come, if
Sheet material shape is standard rectangular, is processed by conventional panels；If sheet material shape is irregular shape i.e. heterotype profiled sheet, use
Automatic tracing-edge treatment, and export result to NC program creation modules；
Automatic adaptation die module：Automatic adaptation die module includes conventional adaptation die module and slotted hole adaptation mould mould
Block, and to all graph datas according to conventional adaptation die methods or slotted hole adaptation die methods adaptation mould, and adaptation mould
Mold graph afterwards is written back in the connecting plate shape library of CAD parts；Automatic adaptation die module is from pre-treatment and mould library management
Module obtains punching press array D：Slotted hole is adapted to die module and obtains oval hole data from pre-treatment and mould database management module, by
In the feature that the slotted hole of connecting plate has horizontal positioned or is disposed vertically, adaptation mould also uses the oval of horizontal positioned accordingly
Mould or the oval mould being disposed vertically are adapted to；Conventional adaptation die module is defeated from pre-treatment and mould database management module
The punching press array D for going out obtains data；One group of data of circle is first taken, is judged in punching press array D in diameter of a circle and mould array
Whether mould diameter is equal：If continuing to take on the equal CAM floor for being written back in graphic data base the mold graph of the mould number
Next group of data in punching press array D；If taking next mould and being judged again；If all moulds can not all be adapted to this
Circle, then export " circle shows central coordinate of circle numerical value and diameter without suitable mould "；Take again next in punching press array D
Circle carries out above operation, untill the data in punching press array D are all adapted to completion；And export the result of automatic adaptation mould extremely
Optimization module；
Optimization module：Optimization module reads all moulds that the output of automatic adaptation die module is to CAM layers of connecting plate shape library
The parameters such as figure, and die information, the coordinate value of mold graph, mould types of adaptations are put into by pre-treatment and mould library management
Sequence is optimized in the optimization array D of module definition；Export ranking results to NC program creation modules；
NC program creation modules：The data of array, are pressed suitable by the ranking results that NC program creations module is exported according to optimization module
Sequence is converted into the Sentence format of output and is displayed in output forms and the Sentence format of output is write into NC program files, defeated
Going out in NC programs to the digital control system of frame connecting plate equipment carries out punch process.
2. the CAM system of punching press frame connecting plate equipment according to claim 1, it is characterized in that automatic tracing-edge treatment refers to
Automatic tracing-edge module chooses all vertical of x=0 during CAD connecting plate shape libraries are obtained from pre-treatment and mould database management module
Line is 90 degree or 270 degree of lines, if the vertical line of a plurality of x=0, takes maximum that of Y value as the left side bearing of part, takes it
Length；
If it is wide that the length of left side bearing is equal to plate, processed by conventional panels；
If the length of left side bearing<100, sheet material moves down 15mm；
If the length of left side bearing>=100 and wide less than plate, sheet material moves to left the centre of line.
3. the CAM system of punching press frame connecting plate equipment according to claim 1, it is characterized in that slotted hole adaptation mould
The algorithm of general laws is as follows:
If slotted hole overall length is L80And angle A, horizontal positioned takes X-direction, is disposed vertically and takes Y-direction；Obtain the length of oval mould
It is L to spend30, horizontal positioned takes X-direction, is disposed vertically and takes Y-direction, seeks the difference L of two length67=L80-L30, mould straight line portion is long
Degree L17, seek L67Divided by L17Ending number DS (i.e. the punching press number of times of mould)；
If the angle A of slotted hole is the oval mould adaptation of horizontal positioned horizontal positioned
In the middle one-shot of slotted hole if DS=1
The first knife X if DS=21=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
The first knife X if DS=31=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife X1=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Last knife Xmax=in the central point X+L of slotted hole80/ 2- knives half long
Ymax=in the central point Y of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2xL30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the X of pointi=the first X of cutter punching point1+ step-length
Yi=in the central point Y of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1；
If the oval mould adaptation that the angle A of slotted hole is the use being disposed vertically to be disposed vertically
In the middle one-shot of slotted hole if DS=1
The first knife Y if DS=21=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
The first knife Y if DS=31=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife Y1=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Last knife Ymax=in the central point Y+L of slotted hole80/ 2- knives half long
Xmax=in the central point X of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2*L30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the Y of pointi=the first Y+ step-length of cutter punching point
Xi=in the central point X of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1
Finally the mold graph of adaptation is written back in the connecting plate shape library of CAD parts.
4. a kind of CAM processing methods of punching press frame connecting plate equipment, it is characterized in that it comprises the following steps：
Pre-treatment and die storehouse management process：Pre-treatment and die storehouse management process define public variable and punching press array D, optimization
Array D, die storehouse array M, CAM layer；Foundation is connected with CAD system；The data of outer mold library file are read, to each mould
Mould block graphics is set up in the form of block and the data of each mould are put into die storehouse array M；Read CAD connecting plate shape libraries
Figure, the layer of CAD diagram shape, color, linear, sheet material shape and graph data are obtained, if figure is not slotted hole, this step
Wouldn't deal with；If oval hole pattern, the oval figure surrounded to the arc of slotted hole two in CAD diagram shape and two straight lines forms face
Domain, layer and the same layer of circular arc in face domain, color is homochromy with circular arc, and the shape in face domain is written back in the connecting plate shape library of CAD parts；Read
Take the CAD parts connecting plate shape library after processing slotted hole all pixels therefrom filter out need adaptation mould and from
The Map Element Data required for seeking side is moved to change into punching press array D；And export the data of punching press array D to automatic adaptation mould and walk
Rapid and automatic tracing-edge step；
Automatic tracing-edge step:Automatic tracing-edge step receives the sheet material shape that pre-treatment and the transmission of die storehouse management process come, if
Sheet material shape is standard rectangular, is processed by conventional panels；If sheet material shape is irregular shape i.e. heterotype profiled sheet, use
Automatic tracing-edge treatment, and export result to NC program creation steps；
Automatic adaptation molding process：Automatic adaptation molding process includes conventional adaptation molding process and slotted hole adaptation mould step
Suddenly, and to all graph datas according to conventional adaptation die methods or slotted hole adaptation die methods adaptation mould, and adaptation mould
Mold graph afterwards is written back in the connecting plate shape library of CAD parts；Automatic adaptation molding process is from pre-treatment and mould library management
Step obtains punching press array D：Slotted hole is adapted to molding process and obtains oval hole data from pre-treatment and die storehouse management process, by
In the feature that the slotted hole of connecting plate has horizontal positioned or is disposed vertically, adaptation mould also uses the oval of horizontal positioned accordingly
Mould or the oval mould being disposed vertically are adapted to；Conventional adaptation molding process is defeated from pre-treatment and die storehouse management process
The punching press array D for going out obtains data；One group of data of circle is first taken, is judged in punching press array D in diameter of a circle and mould array
Whether mould diameter is equal：If continuing to take on the equal CAM floor for being written back in graphic data base the mold graph of the mould number
Next group of data in punching press array D；If taking next mould and being judged again；If all moulds can not all be adapted to this
Circle, then export " circle shows central coordinate of circle numerical value and diameter without suitable mould "；Take again next in punching press array D
Circle carries out above operation, untill the data in punching press array D are all adapted to completion；And export the result of automatic adaptation mould extremely
Optimization Steps；
Optimization Steps：Optimization Steps read all moulds that the output of automatic adaptation molding process is to CAM layers of connecting plate shape library
The parameters such as figure, and die information, the coordinate value of mold graph, mould types of adaptations are put into by pre-treatment and mould library management
Sequence is optimized in the optimization array D of step definition；Export ranking results to NC program creation steps；
NC program creation steps：The data of array, are pressed suitable by the ranking results that NC program creations step is exported according to Optimization Steps
Sequence is converted into the Sentence format of output and is displayed in output forms and the Sentence format of output is write into NC program files, defeated
Going out in NC programs to the digital control system of frame connecting plate equipment carries out punch process.
5. CAM processing methods of punching press frame connecting plate equipment according to claim 4, it is characterized in that automatic tracing-edge is processed
Refer to choose all of x=0 during automatic tracing-edge step obtains CAD connecting plate shape libraries from pre-treatment and die storehouse management process
Vertical line is 90 degree or 270 degree of lines, if the vertical line of a plurality of x=0, takes left side bearing of maximum that of Y value as part,
Take its length；
If it is wide that the length of left side bearing is equal to plate, processed by conventional panels；
If the length of left side bearing<100, sheet material moves down 15mm；
If the length of left side bearing>=100 and wide less than plate, sheet material moves to left the centre of line.
6. CAM processing methods of punching press frame connecting plate equipment according to claim 4, it is characterized in that the slotted hole is suitable
Algorithm with die methods is as follows:
If slotted hole overall length is L80And angle A, horizontal positioned takes X-direction, is disposed vertically and takes Y-direction；Obtain the length of oval mould
It is L to spend30, horizontal positioned takes X-direction, is disposed vertically and takes Y-direction, seeks the difference L of two length67=L80-L30, mould straight line portion is long
Degree L17, seek L67Divided by L17Ending number DS (i.e. the punching press number of times of mould)；
If the angle A of slotted hole is the oval mould adaptation of horizontal positioned horizontal positioned
In the middle one-shot of slotted hole if DS=1
The first knife X if DS=21=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
The first knife X if DS=31=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Second knife X2=in the central point X+L of slotted hole80/ 2- knives half long
Y2=in the central point Y of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife X1=in the central point X-L of slotted hole80/ 2+ knives half long
Y1=in the central point Y of slotted hole
Last knife Xmax=in the central point X+L of slotted hole80/ 2- knives half long
Ymax=in the central point Y of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2xL30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the X of pointi=the first X of cutter punching point1+ step-length
Yi=in the central point Y of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1；
If the oval mould adaptation that the angle A of slotted hole is the use being disposed vertically to be disposed vertically
In the middle one-shot of slotted hole if DS=1
The first knife Y if DS=21=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
The first knife Y if DS=31=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Second knife Y2=in the central point Y+L of slotted hole80/ 2- knives half long
X2=in the central point X of slotted hole
Centre punch of 3rd knife in slotted hole
If DS>3 first knife Y1=in the central point Y-L of slotted hole80/ 2+ knives half long
X1=in the central point X of slotted hole
Last knife Ymax=in the central point Y+L of slotted hole80/ 2- knives half long
Xmax=in the central point X of slotted hole
Middle each knife is realized with circulation:Remaining knife number=DS-2 residue lengths=L80-2*L30
Step-length=residue length/residue knife number
When remaining knife number>When=1
Rush the Y of pointi=the first Y+ step-length of cutter punching point
Xi=in the central point X of slotted hole
Punching point adaptation cutter
Remaining knife number=residue knife number -1
Unconditional branch is to cycle criterion above until remaining knife number ＜ 1
Finally the mold graph of adaptation is written back in the connecting plate shape library of CAD parts.
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