CN113064592A - Graph import programming method and system for grooving machine - Google Patents
Graph import programming method and system for grooving machine Download PDFInfo
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- 238000005452 bending Methods 0.000 description 10
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- G—PHYSICS
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Abstract
The invention discloses a method for automatically programming after a graph is led into a grooving machine, which comprises the following steps: importing a drawing file, wherein the drawing file comprises patterns; extracting coordinates of each characteristic point on the pattern in the drawing file; calculating all slotting positions on the planar plate according to the coordinates of the characteristic points, judging whether each slot is arranged on the front side or the back side of the planar plate, and storing the slotting positions according to the front side and the back side in a classified manner; and (4) generating a slotting program according to the slotting positions of the slots on the plane plate according to the front and back classification. The invention also discloses a system for automatically programming after the graph is led into the grooving machine. The method and the system of the invention automatically generate the slotting program by one key after the graph is read, thereby saving the intermediate programming link and improving the programming efficiency.
Description
Technical Field
The invention relates to the field of machining, in particular to a graph import programming method and a graph import programming system for a grooving machine.
Background
With the continuous development of society, the requirement of commercial aesthetic degree is higher and higher. In the sheet metal processing industry, a grooving machine can cut a V-shaped groove by using a special cutter at a bending line needing bending forming aiming at a stainless steel sheet, an aluminum veneer and other metal materials, so that the sheet is easy to bend, the R angle outside the bending angle can be minimized, and the sheet is bent and formed by a bending machine or manually, thereby achieving the beautiful effect. Can be widely used in places such as hotels, shopping malls, supermarkets, office buildings, KTVs and the like.
The traditional groover programming mode is complex, a plurality of different procedures need to be set simultaneously, or a plurality of different program contents are forcibly placed in the same procedure, in an actual scene, a client needs to frequently check whether the program is written correctly, and the problem of missing of a pit position exists, and a plurality of procedures are placed together, so that more time is needed for checking the program, and the programming efficiency is reduced.
Because the limitation of the traditional horizontal grooving machine mechanism, the system needs to move along with the tool rest, so the grooving machine needs to wait for the previous procedure to stop completely and then write the next program, otherwise, the written program is easy to cause injury to human bodies during movement, and the problem brought about by this is that the system programming efficiency is low and the time is long.
Disclosure of Invention
In order to solve at least one technical problem in the prior art, the present disclosure provides a method for automatically programming after a graph is imported into a grooving machine, including the following steps:
s1: importing a drawing file, wherein the drawing file comprises patterns;
s2: extracting coordinates of each characteristic point on the pattern;
s3: calculating all slotting positions on the planar plate according to the coordinates of the characteristic points, judging whether each slot is arranged on the front side or the back side of the planar plate, and storing the slotting positions according to the front side and the back side in a classified manner;
s4: and (4) generating a slotting program according to the slotting positions of the slots on the plane plate according to the front and back classification.
The beneficial effects of the embodiment are as follows: and after the drawing is imported, a slotting program can be directly generated, so that the programming efficiency is improved.
In some embodiments, the feature points include a start point, an end point, and an intersection of line segments of the pattern.
In some embodiments, the method of obtaining the location of the slot in the planar sheet is as follows:
calculating vectors formed by adjacent characteristic points without the end point, and respectively solving the modulus of each vector;
accumulating and summing the modulus of each vector to respectively obtain the slotting position on the plane plate;
wherein the direction of the vector is from the feature point ordered before to the feature point ordered after.
The embodiment can calculate the position of the groove corresponding to each characteristic point on the plane plate.
In some embodiments, the method for determining whether the groove is opened on the front surface or the back surface of the planar plate material is as follows:
calculating the previous feature point (x)i-1，yi-1) With the current feature point (x)i，yi) The component vector a ═ xi-xi-1，yi-yi-1) The previous feature point (x)i-1，yi-1) With the latter feature point (x)i+1，yi+1) Formed vector b ═ xi+1-xi-1，yi+1-yi-1)；
Judgment (x)i-xi-1)(yi+1-yi-1)-(yi-yi-1)(xi+1-xi-1) Whether the characteristic point is larger than 0 or not, if so, filling the current characteristic point in the slotting position corresponding to the planar plate into a first register belonging to the front side; if the current characteristic point is smaller than 0, filling the current characteristic point in the corresponding slotting position of the plane plate in a second register belonging to the reverse side.
This embodiment can determine whether each groove is formed on the front surface or the back surface of the plate material.
In some embodiments, the drawing is formatted as DXF.
According to another aspect of the present disclosure, there is provided a slotter graph import programming system, including:
the importing module is used for importing a drawing file containing a pattern and extracting coordinates of all characteristic points on the pattern;
a calculation module for calculating vectors, vector modules and vector outer products formed among the feature points;
the judging module is used for judging whether the groove corresponding to the characteristic point is arranged on the front side or the back side of the plane plate;
the storage module comprises a first register and a second register and is used for storing the slotting position of the groove formed in the front surface of the planar plate and the slotting position of the groove formed in the back surface of the planar plate respectively; and
and the program generating module is used for generating a slotting program.
In some embodiments, the system further comprises a display module, wherein the display module is used for displaying the register table.
In some embodiments, the display module is further configured to display a pattern of the drawing.
In some embodiments, a command control is further displayed on the display module, and after the command control is clicked, the calculation module, the judgment module and the program generation module sequentially work.
In some embodiments, the pattern is displayed next to the register table, the column contents of the register table show the slot positions and the faces of the slots, the rows of the register table correspond to the line segments of the pattern, and when the rows of the register table are clicked, the corresponding line segments on the pattern are highlighted. The embodiment can facilitate the user to check and check.
Drawings
Fig. 1 schematically shows a pattern diagram in a drawing.
Fig. 2 is a flowchart of a graph import programming method of a slotter according to an embodiment of the present disclosure.
Fig. 3 is an architecture diagram of a slotter graph import programming system according to an embodiment of the present disclosure.
Fig. 4 is an architecture diagram of a slotter graph import programming system, according to another embodiment of the present disclosure.
Description of the symbols:
Q1-Q4characteristic point
S1-S4
1. Lead-in module
2. Computing module
3. Judging module
4. Memory module
5. Program generation module
6. Display module
Detailed Description
Fig. 2 schematically shows a flowchart of a graph import programming method of a slotter according to an embodiment of the present disclosure. Referring to FIG. 2, the graph import programming method of the slotter includes steps S1-S4.
S1: a drawing file is introduced, and the drawing file contains bent patterns.
FIG. 1 schematically shows a pattern within a drawing document of an embodiment. Referring to fig. 1, the pattern may be drawn by drawing software such as CAD, which is formed by connecting a plurality of line segments in sequence, representing the cross-section of the part obtained by bending. The format of the drawing may be DXF. The intersection point of the line segments is a bending point and corresponds to the position where the planar plate needs to be grooved. According to different bending directions, grooves are required to be selectively formed in the front surface and the back surface of the plate.
S2: coordinates of each feature point on the pattern are acquired.
The characteristic points include a starting point, each bending point and an end point of the pattern. Specifically, the feature points have n, wherein the first feature point and the nth feature point correspond to two edges of the plate, and the second to (n-1) th feature points represent bending points, i.e., correspond to the positions of the grooves in the planar plate. The coordinates of the n feature points are respectively (x)1，y1)、(x2，y2)、…、(xn-1，yn-1) And (x)n，yn) Wherein n is more than or equal to 3. For example, in the pattern shown in FIG. 1, the feature points include points O1～O4Center point O of1Corresponding to an edge of the sheet, point O4Corresponding to the other edge of the sheet, point O2And point O3The bending points are represented, i.e. correspond to the positions of the slots in the planar sheet.
Generally, when drawing a pattern, the sequence of feature points is also saved in the drawing file by the drawing software. When the slotter system reads the drawing, the order of the respective feature points can be recognized. The feature points of the present disclosure are ordered in the drawing order, i.e., the starting point of the pattern is the first feature point, and the intersection points of the line segments drawn later are ordered in accordance withThe sequences are respectively used as the second to the n-1 characteristic points, and the end point of the pattern is the nth characteristic point. For example, the embodiment of the present disclosure uses the feature point O1As the first feature point, then the feature point O2～O4Respectively, the second to fourth characteristic points.
S3: and calculating all slotting positions on the planar plate according to the coordinates of the characteristic points, judging whether each slot is arranged on the front surface or the back surface of the planar plate, and storing the slotting positions according to the front surface and the back surface separately.
The location of the slot in the planar sheet is indicated by the distance from the slot to the edge of the sheet. The method for obtaining the slotting position on the plane plate comprises the following steps:
calculating vectors formed by adjacent characteristic points which do not include the last characteristic point (namely the terminal point), and respectively solving the modulus of each vector;
accumulating and summing the modulus of each vector to respectively obtain the slotting position on the plane plate;
the direction of the vector is that the characteristic point which is ranked at the front points to the characteristic point which is ranked at the back.
Specifically, the method for slotting the position on the plane plate comprises the following steps:
(1) firstly, calculating vectors between adjacent feature points, which are sequentially as follows:
(x2-x1，y2-y1)，
(x3-x2，y3-y2)，
…
(xn-xn-1，yn-yn-1)；
(2) calculating the modulus of the first n-1 vectors as:
(3) the modulo accumulations of these vectors are summed, respectively:
and respectively obtaining the slotting position of each slot on the plane plate after accumulation and summation.
When the flat plate is bent at two or more times and needs to be bent towards the front and back of the flat plate, the judgment groove needs to be formed in the front or back of the flat plate. The method for judging whether the groove is arranged on the front surface or the back surface of the plane plate material comprises the following steps:
calculating the previous feature point (x)i-1，yi-1) With the current feature point (x)i，yi) Formed vector a ═ xi-xi-1，yi-yi-1) The previous feature point (x)i-1，yi-1) With the latter feature point (x)i+1，yi+1) Formed vector b ═ xi+1-xi-1，yi+1-yi-1)；
Judgment (x)i-xi-1)(yi+1-yi-1)-(yi-yi-1)(xi+1-xi-1) Whether the characteristic point is larger than 0 or not, if so, filling the current characteristic point in the slotting position corresponding to the planar plate into a first register belonging to the front side; if the current characteristic point is smaller than 0, filling the current characteristic point in the corresponding slotting position of the plane plate in a second register belonging to the reverse side.
The outer product of the vectors a and b is a × b ═ x [ ("xi-xi-1)(yi+1-yi-1)-(yi-yi-1)(xi+1-xi-1)]k, where k is the unit vector in the z-axis direction. If (x)i-xi-1)(yi+1-yi-1)-(yi-yi-1)(xi+1-xi-1)>0, indicating that the latter characteristic point is positioned on the left side of the vector a and representing that the plate is bent towards the front side at the current characteristic point; if (x)i-xi-1)(yi+1-yi-1)-(yi-yi-1)(xi+1-xi-1)<And 0, the latter characteristic point is positioned on the right side of the vector a, and the plate is bent towards the back surface at the current characteristic point, so that whether the groove is formed in the front surface or the back surface of the plate can be judged. Bends shown in the patternAnd storing the slotting position of the point on the plane plate into two registers according to the front side or the back side in a classified manner for calling.
S4: and (4) classifying according to the front surface and the back surface, and generating a slotting program according to the slotting position and the front and back directions.
The generation of codes from parameters in a processing machine is known from the prior art and is not expanded here. In automatic programming, the slotting position is called from two registers and is programmed into a slotting program. And calling all the information in one register and then calling all the information in the other register, so that when the grooving machine executes a grooving program, grooving is carried out on one surface of the planar plate firstly and then on the other surface.
The graphic file is led into a grooving machine system, a user can click a generating program menu on a screen of a grooving machine controller through the operation of the grooving machine system to issue an instruction for generating a grooving program, the grooving machine controller automatically writes the grooving positions, corresponding to the feature points in the pattern, on the planar plate into two temporary registers according to front grooving and back grooving respectively, and then calls information from the registers to generate the grooving program during automatic programming. The present disclosure solves the problem of automatic programming from a drawing file, improving programming efficiency.
Referring to fig. 3, the present disclosure further provides a graph importing programming system of a groover, where the system includes an importing module 1, a calculating module 2, a determining module 3, a storing module 4, and a program generating module 5.
The user can use the computer to connect to the controller of the grooving machine through the network cable or wireless (such as WiFi or Bluetooth), and upload and store the drawing file to the controller of the grooving machine. And when the previous procedure is finished, the user directly calls the drawing file stored on the controller, and the slotting program is generated by one key of the visual operation interface, so that the intermediate programming link is omitted.
The importing module 1 is used for importing a drawing file containing a pattern stored in the controller and extracting coordinates of all feature points on the pattern.
The calculation module 2 is used for calculating vectors, vector modules and vector outer products formed by the feature points. Specifically, the calculation module 2 calculates vectors formed by adjacent feature points in sequence; the calculation module 2 also calculates the models of other vectors except the last vector, and cumulatively sums the obtained vector models to respectively obtain all the slotting positions on the planar plate corresponding to the characteristic points.
The judging module 3 is used for judging whether the groove corresponding to the characteristic point is arranged on the front surface or the back surface of the plane plate.
The storage module 4 includes a first register and a second register, and is used for storing the slotting position of the slot formed on the front surface of the planar plate and the slotting position of the slot formed on the back surface of the planar plate.
The program generating module 5 is used for generating a slotting program.
Referring to fig. 4, the groover graphic import programming system further includes a display module 6, where the display module 6 is used to display the register table and the pattern, where the pattern is displayed beside the register table. The register table displays the line information of the pattern, for example, the column content of the register table displays the numerical value of the grooving position and the surface (such as the front surface or the back surface of the flat plate) where the groove is located. The rows of the register table represent line segments on the pattern, and when a certain row of the table is clicked, the corresponding line segments on the pattern beside the register table can be highlighted, so that the user can conveniently check the line segments.
And a command control is displayed on the display module 6, and after the command control is clicked, the calculation module, the judgment module and the program generation module work in sequence.
After the method and the system are imported into the drawing, the program can be generated by one key, so that an intermediate programming link is omitted, and the programming efficiency is improved.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The graph import programming method of the grooving machine is characterized by comprising the following steps of:
s1: importing a drawing file, wherein the drawing file contains patterns;
s2: extracting coordinates of each characteristic point on the pattern;
s3: calculating all slotting positions on the planar plate according to the coordinates of the characteristic points, judging whether each slot is arranged on the front side or the back side of the planar plate, and storing the slotting positions according to the front side and the back side in a classified manner;
s4: and (4) generating a slotting program according to the slotting positions of the slots on the plane plate according to the front and back classification.
2. The slotter graph import programming method of claim 1, wherein the feature points comprise a start point, an end point, and an intersection of line segments of a pattern.
3. The groover graphic import programming method of claim 1, wherein the method of obtaining the grooving positions on the planar sheet material is as follows:
calculating vectors formed by adjacent characteristic points without the last characteristic point, and respectively solving the modulus of each vector;
accumulating and summing the modulus of each vector to respectively obtain the slotting position on the plane plate;
wherein the direction of the vector is from the feature point ordered before to the feature point ordered after.
4. A slotter graph lead-in programming method according to any one of claims 1 to 3, characterized in that the method of judging whether the slot is opened on the front or back side of the flat plate material is as follows:
calculating the previous feature point (x)i-1，yi-1) With the current feature point (x)i，yi) Formed vector a ═ xi-xi-1，yi-yi-1) The previous feature point (x)i-1，yi-1) With the latter feature point (x)i+1，yi+1) Formed vector b ═ xi+1-xi-1，yi+1-yi-1)；
Judgment (x)i-xi-1)(yi+1-yi-1)-(yi-yi-1)(xi+1-xi-1) Whether the characteristic point is larger than 0 or not, if so, filling the current characteristic point in the slotting position corresponding to the planar plate into a first register belonging to the front side; if the current characteristic point is smaller than 0, filling the current characteristic point in the corresponding slotting position of the plane plate in a second register belonging to the reverse side.
5. The slotter graph import programming method of claim 1, wherein the format of the drawing archive is DXF.
6. The graph import programming system of the grooving machine is characterized by comprising:
the importing module is used for importing a drawing file containing a pattern and extracting coordinates of all characteristic points on the pattern;
a calculation module for calculating vectors, vector modules and vector outer products formed among the feature points;
the judging module is used for judging whether the groove corresponding to the characteristic point is arranged on the front side or the back side of the plane plate;
the storage module comprises a first register and a second register and is used for storing the slotting position of the groove formed in the front surface of the planar plate and the slotting position of the groove formed in the back surface of the planar plate respectively; and
and the program generating module is used for generating a slotting program.
7. The groover graphic import programming system of claim 6, further comprising a display module to display a register table.
8. The slotter graphical import programming system of claim 7, wherein the display module is further configured to display a pattern of a drawing archive.
9. The graphic importing programming system of the groover according to claim 7 or 8, wherein a command control is further displayed on the display module, and after the command control is clicked, the calculation module, the judgment module and the program generation module sequentially operate.
10. The groover graphic import programming system of claim 8, wherein the pattern is displayed next to the register table, the contents of the columns of the register table showing the grooving positions and the faces of the grooves, the rows of the register table corresponding to the line segments of the pattern, the corresponding line segments on the pattern being highlighted when a row of the table is clicked.
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