CN115816158B - Random angle switching processing control system and non-standard angle switching processing method for complex parts - Google Patents
Random angle switching processing control system and non-standard angle switching processing method for complex parts Download PDFInfo
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Abstract
The invention discloses a random angle transfer processing control system and a complex part non-standard angle transfer processing method, wherein the method comprises the steps of obtaining structural elements of a part to be processed and determining a cutter head processing angle range of the part to be processed; generating a path plan of the part to be processed according to a target angle in the processing angle range of the tool bit; when the manual execution of the adjustment of the adapter angle is detected, judging whether the current adapter angle reaches a target angle or not; if yes, controlling the tool bit to execute the machining action according to the path planning of the part to be machined and the current adapter angle; if not, correcting the target angle as the current adapter angle, and returning to execute the step of judging whether the current adapter angle reaches the target angle. According to the invention, path planning is carried out through the structural elements of the part to be processed, and the detection capability of the machine tool on the cutter is utilized to avoid the precision error generated by manually adjusting the angle of the adapter, so that the technical problem of high path planning complexity of the non-standard angle adapter processing of the existing complex part is solved.
Description
Technical Field
The invention relates to the technical field of numerical control machining, in particular to a random angle switching machining control system and a complex part non-standard angle switching machining method.
Background
In recent years, with the progress of control theory and technology, the development of industrial information society, enterprises at the top of the manufacturing industry have comprehensively completed the conversion from the traditional manufacturing mode to the digital manufacturing mode, and the numerical control machine tool has been widely used. The numerical control machine tool is high-efficiency automatic equipment capable of automatically machining workpieces according to a pre-programmed machining program. When a part is machined on the numerical control machine tool, the process flow, the process parameters and the feed motion data of the part machining are determined in advance according to the requirements of a part machining drawing, and then a machining program is compiled and transmitted to the numerical control system. Under the support of control software stored in the CNC device in advance, the corresponding feeding motion command signals are sent out through processing and calculation, and the machine tool moves according to a preset track through a servo system to process parts. And completing the complete process from CAD graph, process planning, tool path planning, programming post-treatment to numerical control machining.
There are many limiting variables in the path planning of the tool path of the numerical control machining control system to machine the workpiece, where the tool bit angle is also a control variable. When planning a path, the numerical control machining control system needs to exhaust the variable and select a tool bit angle scheme meeting the limiting condition. Since various angle schemes are required to be exhausted, the path planning method requires a great amount of operation. Therefore, in order to reduce the calculated amount, the numerical control machining control system performs exhaustion in the range by presetting the conventional cutter angles (with special angles of 0 degrees, 45 degrees, 90 degrees, 270 degrees and the like) to perform path planning. In most cases, a conventional workpiece can be routed through a preset tool angle, but for a workpiece with a complex shape having one or more special cavities, there is no rule to route through a conventional tool bit angle, and a conversion head with a function of converting any angle is required.
However, when the adaptor at any angle is used for path planning, the calculation complexity of path planning is improved. Therefore, how to reduce the computation complexity of path planning and the path planning time for complex parts is a technical problem to be solved.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide an arbitrary angle switching processing control system and a complex part non-standard angle switching processing method, and aims to solve the technical problem that the path planning complexity of the existing complex part non-standard angle switching processing is high.
In order to achieve the above purpose, the invention provides a non-standard angle transfer processing method of a complex part, which comprises the following steps:
acquiring a structural element of a part to be machined, and determining a machining angle range of a cutter head of the part to be machined according to the structural element;
generating a path plan of the part to be processed according to the target angle in the tool bit processing angle range;
when the manual execution of the adjustment of the adapter angle is detected, acquiring the current adapter angle, and judging whether the current adapter angle reaches a target angle;
if yes, controlling the tool bit to execute the machining action according to the path planning of the part to be machined and the current adapter angle; if not, correcting the target angle as the current adapter angle, and returning to execute the step of judging whether the current adapter angle reaches the target angle.
Optionally, the structural element includes one or more of a cavity structure, a bevel structure, or a concave-convex surface structure.
Optionally, the step of determining the machining angle range of the tool bit of the part to be machined according to the structural element specifically includes:
extracting attribute data in each group of structural elements, and determining a cutter head machining angle range corresponding to each group of structural elements based on the attribute data;
and obtaining the cutter head machining angle range of the part to be machined according to the cutter head machining angle ranges corresponding to all the structural elements.
Optionally, the step of determining the machining angle range of the tool bit corresponding to each group of structural elements based on the attribute data specifically includes: and matching the cutter head machining angle range corresponding to the attribute data of each group of structural elements in a preset attribute data and cutter head machining angle range comparison table based on the attribute data.
Optionally, the step of determining the machining angle range of the tool bit of the part to be machined according to the structural element specifically includes:
calling an element history library, wherein the element history library is matched with the machining angle range of the tool bit corresponding to each group of structural elements, and all the structural elements and the corresponding machining angle ranges of the tool bit in the history machining process are stored in the element history library;
and obtaining the cutter head machining angle range of the part to be machined according to the cutter head machining angle ranges corresponding to all the structural elements.
Optionally, before the step of determining the machining angle range of the tool bit of the part to be machined according to the structural element, the method further includes:
extracting attribute data in each group of structural elements in the history processing process, and determining a cutter head processing angle range corresponding to each group of structural elements based on the attribute data;
and storing each group of structural elements and the corresponding tool bit machining angle range in an associated mode to obtain an element history library.
Optionally, the step of storing each group of structural elements and the corresponding machining angle range of the tool bit in an associated manner to obtain an element history library specifically includes: and storing each group of structural elements and the corresponding tool bit machining angle range in a table in an associated manner, and generating an element history library according to the table.
Optionally, the step of matching the machining angle range of the tool bit corresponding to each group of structural elements in the element history library specifically includes: and traversing and inquiring in a table of an element history library by utilizing the structural elements so as to match the machining angle range of the tool bit corresponding to each group of structural elements.
Optionally, the step of obtaining the cutter head machining angle range of the part to be machined according to the cutter head machining angle ranges corresponding to all the structural elements specifically includes: and acquiring intersection of the cutter head machining angle ranges corresponding to all the structural elements to obtain the cutter head machining angle range of the part to be machined.
Optionally, the attribute data includes an opening width, an opening depth, and an opening angle.
Optionally, the step of correcting the target angle to be the current adapter angle specifically includes:
judging whether the current adapter angle is within the range of the machining angle of the tool bit of the part to be machined;
if yes, correcting the target angle to be the current adapter angle; if not, refusing to execute processing for the part to be processed.
Optionally, the step of obtaining the current adapter angle specifically includes: and detecting the adapter through an adapter angle detection device configured by the machine tool and a corresponding adapter angle detection program.
In addition, in order to achieve the above object, the present invention also provides a complex part non-standard angle switching processing device, the complex part non-standard angle switching processing device includes:
the determining module is used for obtaining the structural elements of the part to be processed and determining the processing angle range of the cutter head of the part to be processed according to the structural elements;
the generating module is used for generating a path plan of the part to be processed according to the target angle in the tool bit processing angle range;
the judging module is used for acquiring the current adapter angle when detecting that the manual execution of the adapter angle adjustment is performed, and judging whether the current adapter angle reaches a target angle or not;
the processing module is used for controlling the tool bit to execute processing actions according to the path planning of the part to be processed and the current adapter angle; and the step of returning to execute the step of judging whether the current adapter angle reaches the target angle is used for correcting the target angle as the current adapter angle.
In addition, in order to achieve the above object, the present invention also provides an arbitrary angle switching processing control system, including:
the tool bit is used for moving according to a preset track and executing machining actions;
complicated part non-standard angle switching processing equipment, complicated part non-standard angle switching processing equipment includes: the device comprises a memory, a processor and a complex part non-standard angle switching machining program which is stored in the memory and can run on the processor, wherein the complex part non-standard angle switching machining program realizes the steps of the complex part non-standard angle switching machining method when being executed by the processor.
Optionally, the tool bit is configured with an adapter at any angle.
In addition, in order to achieve the above object, the present invention further provides a storage medium, on which a complex part non-standard angle switching processing program is stored, which implements the steps of the above complex part non-standard angle switching processing method when executed by a processor.
The embodiment of the invention provides an arbitrary angle switching processing control system and a complex part non-standard angle switching processing method, wherein the method comprises the steps of obtaining structural elements of a part to be processed and determining a processing angle range of a cutter head of the part to be processed; generating a path plan of the part to be processed according to a target angle in the processing angle range of the tool bit; when the manual execution of the adjustment of the adapter angle is detected, acquiring the current adapter angle, and judging whether the current adapter angle reaches a target angle; if yes, controlling the tool bit to execute the machining action according to the path planning of the part to be machined and the current adapter angle; if not, correcting the target angle as the current adapter angle, and returning to execute the step of judging whether the current adapter angle reaches the target angle. According to the invention, path planning is carried out through the structural elements of the part to be processed, and the detection capability of the machine tool on the cutter is utilized to avoid the precision error generated by manually adjusting the angle of the adapter, so that the technical problem of high path planning complexity of the non-standard angle adapter processing of the existing complex part is solved.
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In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a first embodiment of a non-standard corner switching method for machining complex parts according to the present invention.
Fig. 2 is a flow chart of determining a machining angle range of a tool bit of a part to be machined according to the present invention.
FIG. 3 is a flow chart of a second embodiment of the non-standard corner switching method for machining complex parts according to the present invention.
Fig. 4 is a block diagram of a non-standard corner switching device for complex parts according to an embodiment of the present invention.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The embodiment of the invention provides an arbitrary angle switching processing control system, which comprises:
the tool bit is used for moving according to a preset track and executing machining actions;
complicated part non-standard angle switching processing equipment, complicated part non-standard angle switching processing equipment includes: the device comprises a memory, a processor and a complex part non-standard angle switching machining program which is stored in the memory and can run on the processor, wherein the complex part non-standard angle switching machining program realizes the steps of a complex part non-standard angle switching machining method when being executed by the processor.
The cutter head is provided with an adapter at any angle.
Those skilled in the art will appreciate that the configuration shown in fig. 1 is not limiting of any angle switching process control system and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
An embodiment of the invention provides a non-standard angle switching processing method for a complex part, and referring to fig. 1, fig. 1 is a schematic flow chart of a first embodiment of the non-standard angle switching processing method for the complex part.
In this embodiment, the non-standard angle switching processing method for the complex part includes the following steps:
step S100, obtaining structural elements of a part to be machined, and determining a machining angle range of a cutter head of the part to be machined according to the structural elements.
It is easy to understand that when the path planning is performed by using any angle adapter, the calculation complexity of the path planning is improved. Meanwhile, the hardware configuration of the numerical control machining lathe is fixed, the computing capacity for path planning is limited, for example, the upper limit of the conventional path planning time of a workpiece is 30S, if the workpiece reaches the upper limit of the threshold of the path computing capacity of the lathe, the path planning is overtime, and the operator can judge that the part cannot be machined without a result. Thus, in the art, there is a contradiction in computing power when machining a workpiece with a complex structure, and this results in that a person skilled in the art cannot machine the workpiece with the complex structure.
Therefore, in order to reduce this complexity, it is desirable to reduce the variable range of the bit angle as much as possible. In this embodiment, the machining angle range of the tool bit of the part to be machined can be determined by acquiring the structural element of the part to be machined and then according to the structural element.
Referring to fig. 2, specifically, determining a machining angle range of a tool bit of a part to be machined according to a structural element specifically includes:
s101: extracting attribute data in each group of structural elements, and determining a cutter head machining angle range corresponding to each group of structural elements based on the attribute data;
s102: and obtaining the cutter head machining angle range of the part to be machined according to the cutter head machining angle ranges corresponding to all the structural elements.
It should be noted that the structural elements may include one or more of a cavity structure, an inclined surface structure, or a concave-convex surface structure. For example, according to the attribute data such as the opening width, the opening depth, the opening angle and the like of the medium cavity structure, the inclined surface structure or the concave-convex surface structure of the part to be processed, the processing angle range of the tool bit corresponding to each group of structural elements is determined.
Specifically, the cutter head machining angle range corresponding to the attribute data of each group of structural elements can be matched based on the attribute data in a preset attribute data and cutter head machining angle range comparison table. Therefore, the rapid acquisition of the machining angle range of the tool bit based on the attribute data of the structural elements is realized.
And obtaining the cutter head machining angle range of the part to be machined, which finally meets the machining conditions, by taking intersection of the cutter head angle ranges of one or more groups of extracted structural elements after obtaining the cutter head machining angle range corresponding to each group of structural elements.
And step 200, generating a path plan of the part to be machined according to the target angle in the tool bit machining angle range.
It is easy to understand that after the tool bit machining angle range of the part to be machined which finally meets the machining conditions is obtained, the path planning of the part to be machined can be generated through a plurality of tool bit angles in the tool bit machining angle range.
Specifically, any one target angle in the machining angle range of the tool bit is selected, and the path planning is carried out on the part to be machined in the numerical control machining machine tool through the target angle. Therefore, the numerical control machine tool can move according to a preset path planning track through the servo system, and the machining of the part to be machined is executed.
Step S300, when detecting that the manual execution of the adjustment of the adapter angle is performed, acquiring the current adapter angle, and judging whether the current adapter angle reaches the target angle.
It should be noted that, after generating the path plan of the part to be processed according to the target angle in the tool bit processing angle range, the adaptor angle needs to be manually adjusted to the input required angle, that is, the adaptor angle is manually adjusted to be as same as the target angle as possible.
However, an angle is selected to be inputted into the NC program within a final angle range satisfying the complex part path plan, and the conversion head angle is adjusted to the angle. Because the precision of the angle of the machine tool conversion head is in the micron level, the precision of the angle of the conversion head is in the millimeter level often manually when the angle of the conversion head is adjusted, and an adjustment error exists.
At this time, if the machining of the part to be machined is directly performed after the adjustment of the angle of the adapter is manually performed, there is a possibility of a large error, and the machining precision of the part to be machined is further affected.
In this example, whether the rotating head angle reaches the input tool bit angle is detected by the machine tool program, and then the tool bit is controlled to execute the machining action according to the judging result. When the manual execution of the adjustment of the adapter angle is detected, the current adapter angle is obtained, and whether the current adapter angle reaches the target angle is judged, so that machining errors caused by direct machining adjustment after the manual execution of the adapter angle are avoided.
When the current adapter angle is obtained, an adapter angle detection device configured by a machine tool and a corresponding adapter angle detection program are adopted to detect and obtain the adapter.
Step S400, if yes, controlling the tool bit to execute processing action according to the path planning of the part to be processed and the current adapter angle; if not, correcting the target angle as the current adapter angle, and returning to execute the step of judging whether the current adapter angle reaches the target angle.
Specifically, after the joint angle adjustment is judged to be manually executed, if the current joint angle reaches the target angle, that is, if the difference value between the current joint angle and the target angle is within the preset range, the tool bit can be controlled to execute the machining action according to the path planning of the part to be machined and the current joint angle.
If the current adapter angle does not reach the target angle, namely when the difference value between the current adapter angle and the target angle exceeds a preset range, the target angle is required to be corrected to be the current adapter angle, and then the tool bit pre-detection program is executed again according to the corrected adapter angle to judge whether the adapter angle reaches the target angle.
When the rotating head angle is detected to reach the input tool bit angle through the machine tool program, if not, judging whether the real tool bit angle is within the required tool bit angle range or not through judging the real tool bit angle identified by the machine tool, and if so, inputting the actually adjusted real tool bit angle as an input value to the numerical control machining control system to carry out path planning.
Specifically, when the corrected target angle is the current adapter angle, judging whether the current adapter angle is within the machining angle range of the tool bit of the part to be machined, and if so, correcting the target angle to be the current adapter angle; if not, refusing to execute processing for the part to be processed.
The embodiment provides a non-standard angle switching processing method for complex parts, which performs path planning through structural elements of the parts to be processed, avoids precision errors caused by manual adjustment of the angle of a joint through the detection capability of a machine tool on a cutter, and solves the technical problem of high complexity of path planning of the non-standard angle switching processing of the existing complex parts.
For ease of understanding, referring to fig. 3, fig. 3 is a flow chart of a second embodiment of the non-standard corner switching method for machining complex parts according to the present invention. Based on the first embodiment of the non-standard angle switching processing method for the complex part shown in fig. 1, the present embodiment proposes a second embodiment of the non-standard angle switching processing method for the complex part, which is specifically as follows:
compared with the first embodiment, in the present embodiment, when determining the machining angle range of the tool bit of the part to be machined according to the structural element, a manner of calling the element history library is adopted.
Specifically, when determining the tool bit machining angle range of the part to be machined, the method comprises the following steps:
s111: calling an element history library, and matching the machining angle range of the tool bit corresponding to each group of structural elements in the element history library;
s112: and obtaining the cutter head machining angle range of the part to be machined according to the cutter head machining angle ranges corresponding to all the structural elements.
It should be noted that, before the step of determining the machining angle range of the tool bit of the part to be machined, the method further includes: extracting attribute data in each group of structural elements in the history processing process, and determining a cutter head processing angle range corresponding to each group of structural elements based on the attribute data; and storing each group of structural elements and the corresponding tool bit machining angle range in an associated mode to obtain an element history library.
When each group of structural elements and the corresponding tool bit machining angle ranges are stored in a correlated manner, the structural elements and the corresponding tool bit machining angle ranges can be stored in a table in a correlated manner, and an element history library can be generated according to the table. Further, when the element history library is called, the structure elements are utilized to perform traversal inquiry in the table of the element history library so as to match the machining angle range of the tool bit corresponding to each group of the structure elements.
Therefore, before machining, attribute data in each group of structural elements obtained in the history machining process are utilized, the machining angle range of the tool bit corresponding to the structural elements is determined by utilizing the attribute data, each group of structural elements and the corresponding machining angle range of the tool bit are stored in a table in a correlated manner, an element history library is obtained, and when machining is carried out subsequently, only the structural elements of a part to be machined are needed to be obtained, and the machining angle range of the tool bit corresponding to the part to be machined can be obtained through traversing inquiry of the table in the element history library.
And obtaining the cutter head machining angle range of the part to be machined, which finally meets the machining conditions, by taking intersection of the cutter head angle ranges of one or more groups of extracted structural elements after obtaining the cutter head machining angle range corresponding to each group of structural elements.
According to the method, the device and the system, the element information recorded by the element library is met by comparing the element library with priority, the cutter processing angle range corresponding to the element can be obtained rapidly, the accuracy of element extraction is improved, the calculated amount of element analysis is reduced, and therefore the efficiency of non-standard angle transfer processing of complex parts is improved.
The embodiment provides a non-standard angle switching processing method for complex parts, which is characterized in that the path planning time for the complex parts is reduced, the element analysis accuracy and the element analysis calculated amount are improved by utilizing a complex structural element historic base, and the precision error generated by manually adjusting the angle of a conversion head is avoided by the detection capability of a machine tool on a cutter.
Referring to fig. 4, fig. 4 is a block diagram illustrating an embodiment of a non-standard angle switching device for complex parts according to the present invention.
As shown in fig. 4, the non-standard angle switching processing device for complex parts provided by the embodiment of the invention includes:
the determining module 10 is used for obtaining structural elements of a part to be processed, and determining a cutter head processing angle range of the part to be processed according to the structural elements;
the generating module 20 is configured to generate a path plan of the part to be processed according to the target angle in the tool bit processing angle range;
the judging module 30 is configured to obtain a current adapter angle when it is detected that the manual adapter angle adjustment is performed, and judge whether the current adapter angle reaches a target angle;
the machining module 40 is used for controlling the tool bit to execute machining actions according to the path planning of the part to be machined and the current adapter angle; and the step of returning to execute the step of judging whether the current adapter angle reaches the target angle is used for correcting the target angle as the current adapter angle.
In one embodiment, in the non-standard angle switching processing device for the complex part, the structural elements comprise one or more of a cavity structure, an inclined surface structure and a concave-convex surface structure.
As one embodiment, the determining module 10 is further configured to extract attribute data in each group of structural elements, and determine a machining angle range of the tool bit corresponding to each group of structural elements based on the attribute data; and obtaining the cutter head machining angle range of the part to be machined according to the cutter head machining angle ranges corresponding to all the structural elements.
As an implementation manner, the determining module 10 is further configured to call an element history library, where a machining angle range of the tool bit corresponding to each group of structural elements is matched; and obtaining the cutter head machining angle range of the part to be machined according to the cutter head machining angle ranges corresponding to all the structural elements.
As an embodiment, the determining module 10 is further configured to obtain the tool bit machining angle range of the part to be machined by intersecting the tool bit machining angle ranges corresponding to all the structural elements.
As an implementation mode, the non-standard angle switching processing device of the complex part further comprises a storage module, wherein the storage module is used for extracting attribute data in each group of structural elements in the history processing process, and determining a tool bit processing angle range corresponding to each group of structural elements based on the attribute data; and storing each group of structural elements and the corresponding tool bit machining angle range in an associated mode to obtain an element history library.
In one embodiment, the attribute data includes an opening width, an opening depth, and an opening angle in the complex part non-standard angle switching processing device.
In one embodiment, the processing module 40 is further configured to determine whether the current adapter angle is within a tool bit processing angle range of the part to be processed; if yes, correcting the target angle to be the current adapter angle; if not, refusing to execute processing for the part to be processed.
According to the non-standard angle switching processing device for the complex part, path planning is carried out through the structural elements of the part to be processed, and the detection capability of a machine tool on a cutter is utilized to avoid the precision error caused by manual adjustment of the angle of the adapter, so that the technical problem of high complexity of path planning of the non-standard angle switching processing of the complex part at present is solved.
Other embodiments or specific implementation manners of the non-standard angle switching processing device for complex parts of the present invention can refer to the above method embodiments, and are not repeated herein.
In addition, the embodiment of the invention also provides a storage medium, wherein the storage medium stores a complex part non-standard angle switching machining program, and the complex part non-standard angle switching machining program realizes the steps of the complex part non-standard angle switching machining method when being executed by a processor. Therefore, a detailed description will not be given here. In addition, the description of the beneficial effects of the same method is omitted. For technical details not disclosed in the embodiments of the computer-readable storage medium according to the present application, please refer to the description of the method embodiments of the present application. As an example, the program instructions may be deployed to be executed on one computing device or on multiple computing devices at one site or distributed across multiple sites and interconnected by a communication network.
Those skilled in the art will appreciate that implementing all or part of the above-described methods may be accomplished by way of computer programs, which may be stored on a computer-readable storage medium, and which, when executed, may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like.
It should be further noted that the above-described apparatus embodiments are merely illustrative, and that the units described as separate units may or may not be physically separate, and that units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the invention, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the present invention may be implemented by means of software plus necessary general purpose hardware, or of course by means of special purpose hardware including application specific integrated circuits, special purpose CPUs, special purpose memories, special purpose components, etc. Generally, functions performed by computer programs can be easily implemented by corresponding hardware, and specific hardware structures for implementing the same functions can be varied, such as analog circuits, digital circuits, or dedicated circuits. However, a software program implementation is a preferred embodiment for many more of the cases of the present invention. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a readable storage medium, such as a floppy disk, a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random-access Memory (RAM, random Access Memory), a magnetic disk or an optical disk of a computer, etc., including several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to execute the method according to the embodiments of the present invention.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The non-standard corner switching machining method for the complex part is characterized by being used for an arbitrary corner switching machining control system, and comprises the following steps of:
acquiring a structural element of a part to be machined, and determining a machining angle range of a cutter head of the part to be machined according to the structural element; wherein the structural elements comprise one or more of a cavity structure, an inclined surface structure or a concave-convex surface structure;
generating a path plan of the part to be processed according to the target angle in the tool bit processing angle range;
when the manual execution of the adjustment of the adapter angle is detected, acquiring the current adapter angle, and judging whether the current adapter angle reaches a target angle;
if yes, controlling the tool bit to execute the machining action according to the path planning of the part to be machined and the current adapter angle; if not, correcting the target angle to be the current adapter angle, and returning to execute the step of judging whether the current adapter angle reaches the target angle;
the method for determining the machining angle range of the tool bit of the part to be machined according to the structural elements specifically comprises the following steps:
extracting attribute data in each group of structural elements in the history processing process, determining a tool bit processing angle range corresponding to each group of structural elements based on the attribute data, carrying out association storage on each group of structural elements and the tool bit processing angle ranges corresponding to the structural elements to obtain an element history library, calling the element history library, and matching the tool bit processing angle ranges corresponding to each group of structural elements in the element history library, wherein all the structural elements and the tool bit processing angle ranges corresponding to the structural elements in the history processing process are stored in the element history library, and the tool bit processing angle ranges of the parts to be processed are obtained according to the tool bit processing angle ranges corresponding to all the structural elements;
wherein the attribute data includes an opening width, an opening depth, and an opening angle.
2. The method for non-standard corner switching machining of complex parts according to claim 1, wherein the step of determining a machining angle range of a tool bit corresponding to each group of structural elements based on the attribute data specifically comprises: and matching the cutter head machining angle range corresponding to the attribute data of each group of structural elements in a preset attribute data and cutter head machining angle range comparison table based on the attribute data.
3. The method for non-standard corner switching machining of complex parts according to claim 1, wherein the step of storing each group of structural elements and their corresponding machining angle ranges in association to obtain an element history library specifically comprises: and storing each group of structural elements and the corresponding tool bit machining angle range in a table in an associated manner, and generating an element history library according to the table.
4. The method for non-standard corner switching machining of complex parts according to claim 3, wherein the step of matching the machining angle range of the tool bit corresponding to each group of structural elements in the element history library specifically comprises the following steps: and traversing and inquiring in a table of an element history library by utilizing the structural elements so as to match the machining angle range of the tool bit corresponding to each group of structural elements.
5. The method for non-standard corner switching machining of a complex part according to claim 1, wherein the step of obtaining the tool bit machining angle range of the part to be machined according to the tool bit machining angle ranges corresponding to all the structural elements specifically comprises the following steps: and acquiring intersection of the cutter head machining angle ranges corresponding to all the structural elements to obtain the cutter head machining angle range of the part to be machined.
6. The method for non-standard angle switching machining of a complex part according to claim 1, wherein the step of correcting the target angle to be the current adapter angle specifically comprises:
judging whether the current adapter angle is within the range of the machining angle of the tool bit of the part to be machined;
if yes, correcting the target angle to be the current adapter angle; if not, refusing to execute processing for the part to be processed.
7. The method for non-standard angle switching machining of a complex part according to claim 1, wherein the step of obtaining the current adapter angle specifically comprises the following steps: and detecting the adapter through an adapter angle detection device configured by the machine tool and a corresponding adapter angle detection program.
8. An arbitrary angle switching process control system, characterized in that the arbitrary angle switching process control system comprises:
the tool bit is used for moving according to a preset track and executing machining actions;
a complex part non-standard corner switching machining apparatus comprising a memory, a processor and a complex part non-standard corner switching machining program stored on the memory and executable on the processor, the complex part non-standard corner switching machining program when executed by the processor implementing the steps of the complex part non-standard corner switching machining method according to any one of claims 1 to 7.
9. The system of any angle switching process control of claim 8, wherein the tool bit is configured with any angle switching head.
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