CN112987654A - Artificial stone numerical control machining programming method - Google Patents
Artificial stone numerical control machining programming method Download PDFInfo
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- CN112987654A CN112987654A CN202110141035.7A CN202110141035A CN112987654A CN 112987654 A CN112987654 A CN 112987654A CN 202110141035 A CN202110141035 A CN 202110141035A CN 112987654 A CN112987654 A CN 112987654A
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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
- G05B19/4093—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 part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
- G05B19/40937—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 part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine concerning programming of machining or material parameters, pocket machining
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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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32161—Object oriented control, programming
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Abstract
The invention discloses a numerical control processing programming method for an artificial stone, which comprises the steps of importing DXF drawings or provided non-closed graphs to draw processing tracks; after the editing and setting are finished, submitting the code to a code generation processing module for conversion processing; the code generation processing module circularly processes the processed graph and judges whether the graph exceeds a working area or a limit set by a machine tool; selecting a graph, calculating an initial optimal C-axis angle according to a C-axis zero position set by a machine tool and soft limit of the machine tool, wherein if the calculated angle of the point exceeds the limit, the graph does not accord with the generation requirement; the invention belongs to the technical field of artificial stone numerical control processing, and particularly relates to a programming method for artificial stone numerical control processing.
Description
Technical Field
The invention belongs to the technical field of artificial stone numerical control processing, and particularly relates to a programming method for artificial stone numerical control processing.
Background
At present, no special numerical control equipment is used for processing artificial stones, and materials are manually filled and drawn to form stone textures; the general numerical control system is adopted to manually compile the processed nc codes or generate initial codes by using a CAD of a third party, and then the codes are manually modified according to the own process requirements, so that the method has low efficiency, large workload and tedious and time-consuming operation; and a special programming software system is not provided for numerical control programming of the artificial stone, and the standard processing code which accords with the equipment characteristics and the process specifications cannot be generated by combining the characteristics of mechanical equipment.
Disclosure of Invention
In order to solve the problems, the invention provides a numerical control processing programming method for an artificial stone.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the artificial stone numerical control processing programming method comprises the following steps:
1) importing a DXF drawing or providing a non-closed graph to draw a processing track;
2) processing sequence ordering and processing direction setting are carried out on the graphs according to a set ordering rule and a processing direction setting rule, and default layer parameters are given;
3) selecting a graph needing additional processing to modify the layer, and changing default processing parameters;
4) for the graphs with special process requirements, inserting feature points after selection to change the state in the working process;
5) after the editing and setting are finished, submitting the code to a code generation processing module for conversion processing;
6) the code generation processing module circularly processes the processed graph and judges whether the graph exceeds a working area or a limit set by a machine tool;
7) selecting a graph, calculating an initial optimal C-axis angle according to a C-axis zero position set by a machine tool and soft limit of the machine tool, wherein if the calculated angle of the point exceeds the limit, the graph does not accord with the generation requirement;
8) calculating a point for delaying opening of the nozzle at the starting point of the graph and inserting the point according to the size of the line segment;
9) the middle point of the graph needs to be searched whether the middle point is a feature point or not, and processing is carried out according to the information;
10) the last point of the graph also needs to be subjected to point operation of closing the nozzle in advance, and the point operation is reversely deduced to a proper point and added;
11) and generating a processing code according to the calculated all-point information.
Further, the non-closed graph drawing processing track in the step 1) comprises a sampling line, a multi-line segment, a straight line, an arc and the like.
Further, the parameters in the step 3) include a cutter number, a state of the air cylinder, a processing feeding speed, a working speed of the stirring rod, a type or a state of a nozzle used, and the like.
Further, the state in the step 4) includes a tool number, a cylinder operation, a speed, a nozzle operation, and the like.
Further, the characteristic points in the step 9) include speed, cylinder, nozzle, and the like.
Further, the method for calculating the C-axis angle in step 9) includes the following steps:
1) acquiring a position defined by a zero point of a C axis of the machine tool, and calculating an angle by taking the position as a reference in subsequent angle calculation;
2) calculating an angle formed by the first line segment and the zero position, converting the angle into a negative angle when the angle is larger than 180 degrees, comparing absolute values of positive angles, taking an angle with a small absolute value as an initial angle, and marking the positive angle and the negative angle;
3) if the graph is a straight line, directly marking the angle;
4) if the graph has a plurality of line segments, the angle of each line segment is calculated in a circulating mode, each angle is compared with the previous angle, whether the difference between the two angle values is larger than 180 degrees or not is judged, if the difference is larger than 180 degrees, the current angle is changed into a negative value from a positive value, namely the current angle is reduced by 360 degrees, and the current angle is changed into a positive value from a negative value, namely the current angle is increased by 360 degrees;
5) judging whether the changed angle exceeds a soft limit set by the machine tool or not, if so, negating the angle mark, and returning to the angle mark value;
6) after the angle mark is obtained, when a code is generated, the angle mark is used as a starting point value to be referred to determine the positive and negative of an initial angle;
7) circulating the angle of each point, and determining the angle according to the principle that the angle mutation cannot be larger than 180 degrees;
8) comparing whether the angle is within the soft limit range, and if the angle is beyond the soft limit range, verifying that the graph does not meet the machining requirement of the machine tool, and needing to modify the drawing; if not, the pattern is proved to meet the machining requirement of the machine tool.
The invention adopts the structure to obtain the following beneficial effects: the artificial stone numerical control processing programming method can introduce the corresponding DXF texture map to edit and generate a processing code; online drawing editing is supported; providing corresponding process editing elements; but also a special programming process for the artificial stone; the method has relevant editing factors aiming at the artificial stone process, such as delayed opening and advanced closing of material spraying, and optional switching of feeding speed, stirring speed, material spraying form, stirring action, layer parameters and the like in the processing process; the method supports the processing of common unclosed figures such as multiple line segments, sample lines, arcs, straight lines and the like; and generating an optimal machining code meeting the machining requirement according to the self condition of the machine tool.
Drawings
FIG. 1 is a flow chart of a programming method for numerical control stone-making machining according to the present invention;
fig. 2 is a block diagram of the calculation idea of the C-axis angle of the stone-making numerical control machining programming method of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the numerical control machining programming method for stone making of the present invention comprises the following steps:
1) importing a DXF drawing or drawing a processing track by using non-closed graphs such as a provided sample line, a multi-line segment, a straight line, an arc and the like;
2) processing sequence ordering and processing direction setting are carried out on the graphs according to the set ordering rule and the processing direction setting rule, default layer parameters are given, the step is automatic, and the automatic processing result can be considered to be adjusted;
3) selecting (single-selecting or multi-selecting) a graph needing additional processing to modify the layer, changing default processing parameters, wherein each color represents a group of processing process parameters, and the parameters comprise a cutter number, a cylinder state, a processing feeding speed, a stirring rod working speed, a used nozzle type or state and the like;
4) for the graphs required by special processes, the characteristic points can be inserted after selection to change the state in the working process, including the tool number, the cylinder action, the speed, the nozzle action and the like;
5) after the editing and setting are finished, submitting the code to a code generation processing module for conversion processing;
6) the code generation module circularly processes a processing graph and judges whether the graph exceeds a working area or a limit set by a machine tool;
7) the first choice of the graph calculates the initial optimal C-axis angle according to the C-axis zero position set by the machine tool and the soft limit of the machine tool, and if the angle calculated at the later point exceeds the limit, the graph does not accord with the generation requirement;
8) calculating a point for delaying opening of the nozzle at the starting point of the graph and inserting the point according to the size of the line segment;
9) the middle point of the graph needs to be searched whether the graph is a characteristic point, namely whether the speed, the air cylinder, the nozzle and the like need to be changed or not, and processing is carried out according to information;
10) the last point of the graph also needs to carry out point operation of closing the nozzle in advance, which is a reverse process, and the point operation is reversely deduced to a proper point and added;
11) and generating a processing code according to the calculated all-point information.
The operation method of the C-axis angle in the step 9) includes the following steps:
1) acquiring a position defined by a zero point of a C axis of the machine tool, and calculating an angle by taking the position as a reference in subsequent angle calculation;
2) calculating an angle formed by the first line segment and the zero position, converting the angle into a negative angle when the angle is larger than 180 degrees, comparing absolute values of positive angles, taking an angle with a small absolute value as an initial angle, and marking the positive angle and the negative angle;
3) if the graph is a straight line, directly marking the angle;
4) if the graph has a plurality of line segments, the angle of each line segment is calculated in a circulating mode, each angle is compared with the previous angle, whether the difference between the two angle values is larger than 180 degrees or not is judged, if the difference is larger than 180 degrees, the current angle is changed into a negative value from a positive value, namely the current angle is reduced by 360 degrees, and the current angle is changed into a positive value from a negative value, namely the current angle is increased by 360 degrees;
5) judging whether the changed angle exceeds a soft limit set by the machine tool or not, if so, negating the angle mark, and returning to the angle mark value;
6) after the angle mark is obtained, when a code is generated, the angle mark is used as a starting point value to be referred to determine the positive and negative of an initial angle;
7) circulating the angle of each point, and determining the angle according to the principle that the angle mutation cannot be larger than 180 degrees;
8) comparing whether the angle is within the soft limit range, and if the angle is beyond the soft limit range, verifying that the graph does not meet the machining requirement of the machine tool, and needing to modify the drawing; if not, the pattern is proved to meet the machining requirement of the machine tool.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The artificial stone numerical control processing programming method is characterized by comprising the following steps:
1) importing a DXF drawing or providing a non-closed graph to draw a processing track;
2) processing sequence ordering and processing direction setting are carried out on the graphs according to a set ordering rule and a processing direction setting rule, and default layer parameters are given;
3) selecting a graph needing additional processing to modify the layer, and changing default processing parameters;
4) for the graphs with special process requirements, inserting feature points after selection to change the state in the working process;
5) after the editing and setting are finished, submitting the code to a code generation processing module for conversion processing;
6) the code generation processing module circularly processes the processed graph and judges whether the graph exceeds a working area or a limit set by a machine tool;
7) selecting a graph, calculating an initial optimal C-axis angle according to a C-axis zero position set by a machine tool and soft limit of the machine tool, wherein if the calculated angle of the point exceeds the limit, the graph does not accord with the generation requirement;
8) calculating a point for delaying opening of the nozzle at the starting point of the graph and inserting the point according to the size of the line segment;
9) the middle point of the graph needs to be searched whether the middle point is a feature point or not, and processing is carried out according to the information;
10) the last point of the graph also needs to be subjected to point operation of closing the nozzle in advance, and the point operation is reversely deduced to a proper point and added;
11) and generating a processing code according to the calculated all-point information.
2. An artificial stone numerical control machining programming method according to claim 1, characterized in that the non-closed graph drawing machining track in step 1) includes a sample line, a multi-line segment, a straight line, and a circular arc.
3. An artificial stone numerical control machining programming method according to claim 1, characterized in that the parameters in the step 3) include a tool number, a state of a cylinder, a machining feed speed, a working speed of a stirring rod, a type or a state of a nozzle used.
4. An artificial stone numerical control machining programming method according to claim 1, characterized in that the state in the step 4) includes a tool number, a cylinder action, a speed, a nozzle action.
5. An artificial stone numerical control machining programming method according to claim 1, characterized in that the characteristic points in step 9) include speed, air cylinder, nozzle.
6. An artificial stone numerical control machining programming method according to claim 1, wherein the operation method of the C-axis angle in the step 9) includes the steps of:
1) acquiring a position defined by a zero point of a C axis of the machine tool, and calculating an angle by taking the position as a reference in subsequent angle calculation;
2) calculating an angle formed by the first line segment and the zero position, converting the angle into a negative angle when the angle is larger than 180 degrees, comparing absolute values of positive angles, taking an angle with a small absolute value as an initial angle, and marking the positive angle and the negative angle;
3) if the graph is a straight line, directly marking the angle;
4) if the graph has a plurality of line segments, the angle of each line segment is calculated in a circulating mode, each angle is compared with the previous angle, whether the difference between the two angle values is larger than 180 degrees or not is judged, if the difference is larger than 180 degrees, the current angle is changed into a negative value from a positive value, namely the current angle is reduced by 360 degrees, and the current angle is changed into a positive value from a negative value, namely the current angle is increased by 360 degrees;
5) judging whether the changed angle exceeds a soft limit set by the machine tool or not, if so, negating the angle mark, and returning to the angle mark value;
6) after the angle mark is obtained, when a code is generated, the angle mark is used as a starting point value to be referred to determine the positive and negative of an initial angle;
7) circulating the angle of each point, and determining the angle according to the principle that the angle mutation cannot be larger than 180 degrees;
8) comparing whether the angle is within the soft limit range, and if the angle is beyond the soft limit range, verifying that the graph does not meet the machining requirement of the machine tool, and needing to modify the drawing; if not, the pattern is proved to meet the machining requirement of the machine tool.
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