CN101174276B - Part drawing placing system and method thereof - Google Patents

Part drawing placing system and method thereof Download PDF

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Publication number
CN101174276B
CN101174276B CN2006100634619A CN200610063461A CN101174276B CN 101174276 B CN101174276 B CN 101174276B CN 2006100634619 A CN2006100634619 A CN 2006100634619A CN 200610063461 A CN200610063461 A CN 200610063461A CN 101174276 B CN101174276 B CN 101174276B
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view
bounding box
minimum bounding
angle
open
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CN101174276A (en
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常春明
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Abstract

The invention relates to an alignment method of part drawing, comprising the following steps: selecting the mould drawing to be dismantled and selecting the part drawing to be dismantled from the mould drawing; obtaining the dismantling type and alignment angle of the part depending on the selected part drawing and obtaining the part view depending on the dismantling type; determining whether the alignment angle of the part is zero; determining whether the longest edge of the part front view is parallel with the X axis; calculating the included angle between the longest edge of the part front view and the positive direction of X axis; calculating the minimal bounding box of the part front view and the geometrical center point of the minimal bounding box; finally aligning the part front view depending on the geometrical center point of the minimal bounding box, the alignment angle of the part and the included angle between the longest edge of the part front view and the positive direction of X axis. The invention also provides an alignment system of the part drawing; the part drawing can be rapidly and conveniently aligned with the alignment system of the part drawing and the method.

Description

Part drawing is ajusted system and method
Technical field
The present invention relates to a kind of part drawing and ajust system and method.
Background technology
Manufacturing industry is the basis that human society is depended on for existence and development, and at present along with the developing rapidly of automobile and light industry, Mould design and making gets more and more people's extensive concerning gradually, has formed a basic activity of national economy.The mould design is drawn from manual drawing, two-dimension computer, develops into three-dimensional CAD (Computer Aided Design, computer-aided design (CAD)); The mould manufacturing also from tradition processing, two-dimentional manual programming digital control processing, develops into the CAM (Computer Aided Manufacture, computer-aided manufacturing) of today.
In the mould design, a most important job is exactly to tear figure open, and what is called is torn figure open each part in the die drawing is deposited in separately in the figure shelves (please refer to Fig. 4), simultaneously the part drawing of this part is ajusted (please refer to Fig. 5).This is because according to part drawing part is being added man-hour, need part drawing must be ajusted when therefore tearing figure open with reference to the mark of part so that part be labeled in part processing the time have a practical significance.
Yet, the part drawing of part is ajusted this part work occupied the most of the time of tearing figure open: the shape of part mostly is irregular in the die drawing, even the part of regular shape owing to the needs of POF, also various disposing ways can occur in die drawing sometimes.
At present, the part drawing of part is ajusted this step, mostly adopt operation manually.So, there is following weak point: the one, inefficiency comprises numerous parts figure in the die drawing and archives, and operation is manually lost time very much; The 2nd, error rate is very high, and is not easy error correction.
Summary of the invention
In view of above content, be necessary to provide a kind of part drawing to ajust system, it can be ajusted part drawing quickly and easily.
In view of above content, also be necessary to provide a kind of part drawing to ajust method, it can be ajusted part drawing quickly and easily.
A kind of part drawing is ajusted system, this system comprises main frame and database, this database storing has the die drawing that will tear figure open, and described main frame comprises: select module, be used for the part drawing of selecting to tear the die drawing of figure open and select to tear open figure from this die drawing from database; Acquisition module is used for obtaining tearing graph type open and ajusting angle of the pairing part of this part drawing according to the part drawing of selecting, and reaches the view that graph type obtains this part of tearing open according to this part; Judge module is used to judge whether the angle of ajusting of this part is zero, and whether the longest edge that reaches the front view of judging this part is parallel with X-axis; Computing module is used for when the longest edge of the front view of this part is not parallel with X-axis, calculates the minimum bounding box of front view of angle, this part of the longest edge of front view of this part and X-axis positive dirction and the geometric center point of this minimum bounding box; And processing module, be used for the longest edge of the front view of ajusting angle, this part of geometric center point, this part and the angle of X-axis positive dirction according to this minimum bounding box, ajust the front view of this part.
A kind of part drawing is ajusted method, and this method may further comprise the steps: (a) select to tear open the die drawing of figure from database, and select to tear open the part drawing of figure from this die drawing; (b) obtain tearing graph type open and ajusting angle of the pairing part of this part drawing according to the part drawing of selecting, reach the view that graph type obtains this part of tearing open according to this part; (c) whether the angle of ajusting of judging this part is zero; (d), judge then whether the longest edge of front view of this part is parallel with X-axis if the angle of ajusting of this part is zero; (e), then calculate the longest edge of front view of this part and the angle of X-axis positive dirction if the longest edge of the front view of this part is not parallel with X-axis; (f) calculate the minimum bounding box of front view of this part and the geometric center point of this minimum bounding box; (g), ajust the front view of this part according to the longest edge of the front view of ajusting angle, this part of the geometric center point of this minimum bounding box, this part and the angle of X-axis positive dirction.
Described part drawing is ajusted system and method, can quickly and easily part drawing be ajusted.Thereby, can raise the efficiency, save the workload of operation manually, and reduce error rate.
Description of drawings
Fig. 1 is the hardware structure figure that part drawing of the present invention is ajusted system's preferred embodiment.
Fig. 2 is the functional block diagram of main frame among Fig. 1.
Fig. 3 is the operation process chart that part drawing of the present invention is ajusted the method preferred embodiment.
The synoptic diagram of Fig. 4 preferred embodiment before to be part drawing do not ajust after the die drawing partition.
Fig. 5 is the synoptic diagram after this part drawing is ajusted.
Fig. 6 is the synoptic diagram of the angle of the longest edge of front view of this part and X-axis positive dirction.
Fig. 7 is the synoptic diagram of four unique points of the front view of this part.
Fig. 8 is the synoptic diagram of minimum bounding box of the front view of this part.
Fig. 9 is the synoptic diagram of geometric center point of minimum bounding box of the front view of this part.
Embodiment
Consulting shown in Figure 1ly, is the hardware structure figure that part drawing of the present invention is ajusted system's preferred embodiment.The hardware structure of this system mainly comprises: input media (comprising keyboard 12 and mouse 14), display 16, main frame 10 and database 18.
Wherein, input media can be used for importing the die drawing and the part drawing of various mould.
Display 16 provides graphic user interface (Graphic User Interface, GUI) input operation of cooperation input media.Display 16 also is used to show the die drawing and the part drawing of mould.
Main frame 10 can be computing machine (IBM PersonalComputer, IBM PC), the Mac PC of Apple company, personal computer, the webserver of IBM framework, can also be any computing machine that other is suitable for.
Database 18 stores the die drawing and the part drawing of all moulds that will tear figure open.The view of described part drawing nulling spare, the view of described part comprises: the front view of part, vertical view and left view (as shown in Figure 4), and wherein, this front view is positioned at the upper left corner of described part drawing, this vertical view be positioned at this front view under, this left view is positioned at the front-right of this front view.Database 18 also is used to store the part drawing after ajusting.
Consulting Fig. 2 and show, is the functional block diagram of main frame among Fig. 1.The alleged module of the present invention is to finish the computer program code segments of specific function, be more suitable in the implementation of description software in computing machine than program, so the present invention describes with module the description of software.
Described main frame 10 comprises selects module 300, acquisition module 302, judge module 306, computing module 308, processing module 309 and memory module 310.
Wherein, described selection module 300 is used for will tearing open from database 18 selections the die drawing of figure, then selects to tear open the part drawing of figure from this die drawing.Described die drawing has comprised a plurality of part drawings; Described part drawing has comprised the attribute information of the pairing part of this part drawing; The attribute information of described part comprises: the title of part, ajust angle, tear graph type open, material, thermal treatment and mark type.Wherein, the described graph type of tearing open comprises: only tear front view open, tear front view and vertical view open, tear front view and left view open and tear open entirely; The described finger of tearing open is entirely torn front view, vertical view and left view simultaneously open.
Described acquisition module 302 is used for obtaining according to the part drawing of above-mentioned selection the graph type of tearing open of this part; According to the graph type of tearing open of this part, obtain the view of this part then.For example, if part tear graph type open for only tearing front view open, then obtain the front view of this part; If part tear graph type open for tearing front view and vertical view open, then obtain the front view and the vertical view of this part; If part tear graph type open for tearing open entirely, acquisition module 302 obtains front view, vertical view and the left view of this part.Described acquisition module 302 also is used for the part drawing according to above-mentioned selection, obtain this part ajust angle (with " θ 1 " expression).
What described judge module 306 was used to judge the above-mentioned part that obtains ajusts whether angle θ 1 is zero, and judges whether the longest edge of front view of above-mentioned this part that obtains is parallel with X-axis.
Described computing module 308 is used for when the longest edge of the front view of this part is not parallel with X-axis, calculates the longest edge of front view of this part and the angle of X-axis positive dirction (with " θ 2 " expression).Computing module 308 also is used for when the longest edge of the front view of this part is not parallel with X-axis, calculates the minimum bounding box of front view of this part and the geometric center point of this minimum bounding box.Particularly, computing module 308 grasps all unique points of the front view of this part earlier, and this unique point comprises intersection point, turning point and end points, and described intersection point refers to the point of lines intersection in the front view; Described turning point refers to the point at lines turning in the front view; Described end points refers in the front view two end points and the mid point of every line segment or camber line.Computing module 308 calculates the X-axis coordinate figure and the Y-axis coordinate figure of above-mentioned all unique points respectively; And therefrom obtain four unique points: minimum X-axis coordinate figure characteristic of correspondence point (with " d1 " expression), maximum X-axis coordinate figure characteristic of correspondence point (with " d2 " expression), minimum Y-axis coordinate figure characteristic of correspondence point (with " d3 " expression) and maximum Y-axis coordinate figure characteristic of correspondence point (with " d4 " expression); Do one then through d1 and the straight line parallel and straight line of Y-axis, a straight line through d2 and parallel and Y-axis, a process d3 and the straight line of parallel and X-axis, a process d4 and parallel and X-axis, above-mentioned four straight lines intersect the minimum bounding box that has just constituted described front view.Subsequently, computing module 308 calculates the geometric center point of the minimum bounding box of this front view, i.e. two of this minimum bounding box intersection of diagonal.Computing module 308 also is used in like manner calculating the minimum bounding box of the vertical view of this part, the minimum bounding box of left view when the longest edge of the front view of this part is not parallel with X-axis.
Described processing module 309 is used to ajust the front view of this part.Particularly, when part ajust angle when non-vanishing, processing module 309 is the center with the geometric center point of the minimum bounding box that obtains, with the front view of this part θ 1 that turns clockwise; When the angle of ajusting of part is zero and the longest edge of the front view of this part when not parallel with X-axis, processing module 309 is the center with the geometric center point of the minimum bounding box that obtains, with the front view of this part θ 2 that turns clockwise.Processing module 309 also is used for the vertical view of the described part that obtains, left view, make progress respectively, be moved to the left, the distance that makes the minimum bounding box of the minimum bounding box of minimum bounding box, left view of vertical view and front view respectively is wide half of the minimum bounding box of front view.
Described memory module 310 is used for the front view of the part after ajusting, the vertical view and the left view of the part after moving store database 18 into.
Described processing module 309 also is used for the front view of the part of above-mentioned storage, vertical view and left view integral body are moved to the position that clicks, and adds picture frame, so that the attribute information of this part to be described; And, the length and width information of this part is described for this part adds mark, be beneficial to the processing of subsequent parts.
Consulting shown in Figure 3ly, is the operation process chart that part drawing of the present invention is ajusted the method preferred embodiment.
Step S401 selects module 300 to select to tear open the die drawing of figure from database 18, then selects to tear open the part drawing of figure from this die drawing.Described die drawing has comprised a plurality of part drawings; Described part drawing has comprised the attribute information of the pairing part of this part drawing; The attribute information of described part comprises: the title of part, ajust angle, tear graph type open, material, thermal treatment and mark type.Wherein, the described graph type of tearing open comprises: only tear front view open, tear front view and vertical view open, tear front view and left view open and tear open entirely; The described finger of tearing open is entirely torn front view, vertical view and left view simultaneously open.
Step S402, acquisition module 302 obtain the graph type of tearing open of this part according to the part drawing of above-mentioned selection; According to the graph type of tearing open of this part, obtain the view of this part then.For example, if part tear graph type open for only tearing front view open, then obtain the front view of this part; If part tear graph type open for tearing front view and vertical view open, then obtain the front view and the vertical view of this part; If part tear graph type open for tearing front view and left view open, then obtain the front view and the left view of this part; If part tear graph type open for tearing open entirely, then obtain front view, vertical view and the left view of this part.
Step S403, acquisition module 302 be according to the part drawing of above-mentioned selection, and that obtains this part ajusts angle (with " θ 1 " expression); Judge module 306 judges whether the described angle of obtaining of ajusting is zero.
If the angle of ajusting of this part is zero, then enter step S404, judge module 306 judges whether the longest edge of front view of above-mentioned this part that obtains is parallel with X-axis.
If the longest edge of the front view of this part is not parallel with X-axis, then enter step S405, computing module 308 calculates the angle (please refer to Fig. 6, this angle is represented with " θ 2 ") of longest edge and X-axis positive dirction of the front view of this part.
Step S406, computing module 308 calculate the geometric center point of minimum bounding box of the front view of this part.Particularly, computing module 308 grasps all unique points of the front view of this part earlier, and this unique point comprises intersection point, turning point and end points, and described intersection point refers to the point of lines intersection in the front view; Described turning point refers to the point at lines turning in the front view; Described end points refers in the front view two end points and the mid point of every line segment or camber line.Computing module 308 calculates the X-axis coordinate figure and the Y-axis coordinate figure of above-mentioned all unique points respectively; And therefrom obtain four unique points: minimum X-axis coordinate figure characteristic of correspondence point, maximum X-axis coordinate figure characteristic of correspondence point, minimum Y-axis coordinate figure characteristic of correspondence point and the Y-axis coordinate figure characteristic of correspondence point of maximum, (please refer to Fig. 7, above-mentioned four unique points are used " d1, d2, d3, d4 " expression respectively); Do one then through d1 and the straight line parallel and straight line of Y-axis, a straight line through d2 and parallel and Y-axis, a process d3 and the straight line of parallel and X-axis, a process d4 and parallel and X-axis, above-mentioned four straight lines intersect the minimum bounding box (please refer to Fig. 8) that has just constituted described front view.Subsequently, computing module 308 calculates the geometric center point of the minimum bounding box of this front view, i.e. two of this minimum bounding box intersection of diagonal (please refer to Fig. 9).
Step S407, processing module 309 is the center with the geometric center point of the minimum bounding box that obtains, with the front view of this part θ 2 that turns clockwise, to ajust the front view of this part.
Step S408, computing module 308 in like manner calculate the minimum bounding box of the vertical view of this part, the minimum bounding box of left view; Processing module 309 is with vertical view, the left view of the above-mentioned part that obtains, make progress respectively, be moved to the left, the distance that makes the minimum bounding box of the minimum bounding box of minimum bounding box, left view of vertical view and front view respectively is wide half of the minimum bounding box of front view.The vertical view and the left view of the part of memory module 310 with the front view of above-mentioned part, after moving store in the database 18.
Step S409, processing module 309 moves to front view, vertical view and the left view integral body of the part of above-mentioned storage on the position that clicks, and adds picture frame, so that the attribute information of this part to be described; Processing module 309 illustrates the length and width information of this part for this part adds mark then, is beneficial to the processing of subsequent parts.
In step S403, if this part to ajust angle non-vanishing, then directly go to step S406: computing module 308 calculates the geometric center point of minimum bounding box of the front view of this part; Enter step S407 then: processing module 309 is the center with the geometric center point of the minimum bounding box that obtains, with the front view of this part θ 1 (this part ajust angle) that turns clockwise, to ajust the front view of this part.
In step S404, if the longest edge of the front view of this part is parallel with X-axis, then directly enter step S408: computing module 308 calculates the minimum bounding box of front view, vertical view and the left view of this part respectively; Processing module 309 and memory module 310 are carried out corresponding mobile and storage operation subsequently.
Part drawing provided by the present invention is ajusted system and method, and behind the selected one or more part drawings that will ajust, all steps all can be recorded in the main frame 10 automatically, therefore for a plurality of part drawings, can directly call above-mentioned record and automatically ajust, need not human intervention, extremely easy to use.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.

Claims (10)

1. a part drawing is ajusted system, and this system comprises main frame and database, and this database storing has the die drawing that will tear figure open, it is characterized in that, described main frame comprises:
Select module, be used for the part drawing of selecting to tear the die drawing of figure open and from this die drawing, selecting to tear open figure from database;
Acquisition module is used for obtaining tearing graph type open and ajusting angle of the pairing part of this part drawing according to the part drawing of selecting, and reaches the view that graph type obtains this part of tearing open according to this part;
Judge module is used to judge whether the angle of ajusting of this part is zero, and when the angle of ajusting of this part be to judge whether the longest edge of front view of this part parallel with X-axis when zero;
Computing module is used for when the longest edge of the front view of this part is not parallel with X-axis, calculates the minimum bounding box of front view of angle, this part of the longest edge of front view of this part and X-axis positive dirction and the geometric center point of this minimum bounding box; And
Processing module is used for the longest edge of the front view of ajusting angle, this part of geometric center point, this part according to this minimum bounding box and the angle of X-axis positive dirction, ajusts the front view of this part.
2. part drawing as claimed in claim 1 is ajusted system, it is characterized in that, described part drawing comprises the attribute information of this part, and the attribute information of this part comprises: the title of part, ajust angle, tear graph type open, material, thermal treatment and mark type.
3. part drawing as claimed in claim 1 is ajusted system, it is characterized in that, the view of described part comprises the front view of part, vertical view and left view.
4. part drawing as claimed in claim 3 is ajusted system, it is characterized in that, described computing module also is used to calculate the minimum bounding box of the vertical view of this part, the minimum bounding box of left view.
5. part drawing as claimed in claim 3 is ajusted system, it is characterized in that, described processing module also is used for moving vertical view, the left view of this part, the distance that makes the minimum bounding box of the minimum bounding box of this vertical view, left view and front view respectively is wide half of the minimum bounding box of front view, and adds picture frame and mark for described part drawing.
6. part drawing as claimed in claim 1 is ajusted system, it is characterized in that, described main frame also comprises memory module, is used to store the part drawing after ajusting.
7. a part drawing is ajusted method, it is characterized in that, this method comprises the steps:
From database, select to tear open the die drawing of figure, and from this die drawing, select to tear open the part drawing of figure;
Obtain tearing graph type open and ajusting angle of the pairing part of this part drawing according to the part drawing of selecting, reach the view that graph type obtains this part of tearing open according to this part;
Whether the angle of ajusting of judging this part is zero;
If the angle of ajusting of this part is zero, judge then whether the longest edge of front view of this part is parallel with X-axis;
If the longest edge of the front view of this part is not parallel with X-axis, then calculate the longest edge of front view of this part and the angle of X-axis positive dirction;
Calculate the minimum bounding box of front view of this part and the geometric center point of this minimum bounding box; And
According to the longest edge of the front view of ajusting angle, this part of the geometric center point of this minimum bounding box, this part and the angle of X-axis positive dirction, ajust the front view of this part.
8. part drawing as claimed in claim 7 is ajusted method, it is characterized in that, this method also comprises step: if this part to ajust angle non-vanishing, then change step over to and calculate the minimum bounding box of front view of this part and the geometric center point of this minimum bounding box.
9. part drawing as claimed in claim 7 is ajusted method, it is characterized in that, this method is further comprising the steps of:
Calculate the minimum bounding box of the vertical view of this part, the minimum bounding box of left view;
Move vertical view, the left view of this part, the distance that makes the minimum bounding box of the minimum bounding box of this vertical view, left view and front view respectively is wide half of the minimum bounding box of front view;
Store the part drawing after above-mentioned the ajusting;
For described part drawing adds picture frame and mark.
10. part drawing as claimed in claim 9 is ajusted method, it is characterized in that, this method also comprises step: if the longest edge of the front view of this part is parallel with X-axis, then changes step over to and calculate the minimum bounding box of the vertical view of this part, the minimum bounding box of left view.
CN2006100634619A 2006-11-03 2006-11-03 Part drawing placing system and method thereof Expired - Fee Related CN101174276B (en)

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