CN118133543A - Automatic generation method of process drawing, storage medium and electronic equipment - Google Patents
Automatic generation method of process drawing, storage medium and electronic equipment Download PDFInfo
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Abstract
The invention provides a process drawing automatic generation method, a storage medium and electronic equipment, wherein the method comprises the following steps: inputting the three-dimensional process model into a three-dimensional modeling model to obtain machining characteristic information of machining characteristics, cutter information corresponding to the machining characteristics and machining reference information; assembling the three-dimensional procedure model, the cutter assembly model and the clamp model according to the machining characteristic information, the cutter information and the machining reference information to generate a target assembly; performing view projection according to a preset projection direction to generate an assembly projection view; performing size marking according to a preset fixture positioning element and a processing characteristic element; according to the preset information labeling requirement, a two-dimensional projection view is established, and a two-dimensional engineering drawing is generated; outputting cutter processing information to a preset drawing position in a two-dimensional engineering drawing; and outputting a two-dimensional engineering drawing according to a preset drawing format, and generating a target engineering drawing. The invention realizes automatic generation of the process drawing, shortens the development period and improves the working efficiency.
Description
Technical Field
The present invention relates to the field of mechanical technologies, and in particular, to a method for automatically generating a process drawing, a storage medium, and an electronic device.
Background
At present, most mechanical manufacturing enterprises still adopt traditional two-dimensional process design and manually draw a mode of process drawings, and even if a computer system assists a process design tool, the mode of manual operation is adopted in an output link of the process drawings, so that automatic process drawing generation cannot be realized. The existing manual drawing process drawing method has the following defects:
(1) The working amount is large and the period is long. For a complex mechanical part, the machining characteristics are relatively large, the working work needs to include cutter information, machining information and size information of each characteristic information, a manual drawing mode is adopted, the workload is large, the period is long, and a great amount of time is consumed for checking process drawings;
(2) The drawing methods have differences and the drawing consistency is poor. The manual drawing depends on experience and habit of engineers, and the style of drawn process drawings is inconsistent;
(3) The drawing content is complicated, and the accuracy is required to be further improved. Because the process information to be expressed in the process drawings is very much, especially, correct graphic elements are required to be selected when the size is marked, errors and omission are very easy to occur, and irrecoverable loss can be caused by any drawing error on the process drawings;
(4) The maintainability is poor. In the traditional drawing mode of the process drawing, the graph is not mapped with the digital model, and the updated drawing needs to be projected again, so that the process drawing is not updated timely.
Because the competition of the mechanical part manufacturing industry is increasingly strong, the process development and manufacturing cycle is shorter and shorter, a method capable of automatically generating the process drawing is urgently needed, the working efficiency is improved, the development cycle is shortened, and the labor cost is reduced.
Disclosure of Invention
The invention aims to provide an automatic process drawing generation method, a storage medium and electronic equipment, which realize automatic process drawing generation, shorten development period, improve working efficiency, eliminate the need of manually drawing process drawings, reduce cost and facilitate maintenance.
The technical scheme of the invention provides an automatic generation method of a process drawing, which comprises the following steps:
Inputting a three-dimensional process model into a three-dimensional modeling model to obtain processing characteristic information of processing characteristics of the three-dimensional process model, cutter information corresponding to the processing characteristics and processing reference information corresponding to a clamp, wherein the processing characteristic information comprises processing characteristic elements;
assembling the three-dimensional process model, the tool assembly model and the clamp model according to the machining characteristic information, the tool information and the machining reference information to generate a target assembly body, wherein the target assembly body comprises tool machining information;
Performing view projection on the target assembly according to a preset projection direction to generate an assembly projection view;
performing size marking on the projection view of the assembly according to a preset fixture positioning element and the processing characteristic element;
according to the preset information labeling requirement, a two-dimensional projection view is established, and a two-dimensional engineering drawing is generated;
outputting the cutter processing information to a preset drawing position in the two-dimensional engineering drawing to form a cutter parameter table, a main shaft information table and a procedure information table;
and outputting the two-dimensional engineering drawing according to a preset drawing format, and generating a target engineering drawing.
In one optional aspect, the assembling the three-dimensional process model, the tool assembly model, and the fixture model according to the machining feature information, the tool information, and the machining reference information, to generate a target assembly includes:
Assembling the tool assembly model to the three-dimensional process model according to the machining characteristic information and the tool information to generate a three-dimensional tool assembly;
and assembling the clamp model to the three-dimensional tool assembly according to the machining characteristic information and the machining reference information, and generating the target assembly.
In one optional aspect, the machining feature information includes vertex coordinates and a machining feature vector, and the assembling the tool assembly model onto the three-dimensional process model according to the machining feature information and the tool information, to generate a three-dimensional tool assembly body includes:
and carrying out contact constraint on the cutter assembly model according to the vertex coordinates, and carrying out assembly direction constraint on the cutter assembly model according to the processing feature vector to generate the three-dimensional cutter assembly.
In one of the alternative solutions, the assembling the fixture model to the three-dimensional tool assembly, generating the target assembly, includes:
Acquiring preset positioning features of the three-dimensional process model and preset fixture positioning elements of the fixture model;
establishing an assembly constraint for limiting all degrees of freedom of the three-dimensional process model relative to the jig positioning element according to the positioning feature and the jig positioning element;
and assembling the fixture model to the three-dimensional tool assembly according to the assembly constraint to generate the target assembly.
In one optional solution, the performing view projection on the target assembly according to the preset projection direction to generate the assembly projection view includes:
If the processing characteristic elements are external processing characteristic elements, performing view projection on the target assembly according to the preset projection direction to generate an assembly front view;
If the processing characteristic elements are internal processing characteristic elements, a cutting plane is established according to the processing characteristic elements, view projection is carried out on the target assembly body on the cutting plane according to the preset projection direction, and an assembly body cutting view is generated.
In one optional technical solution, the dimensioning the assembly projection view according to the preset fixture positioning element and the processing feature element includes:
Acquiring process information of the three-dimensional process model;
determining the clamp positioning element positions of the preset clamp positioning elements and the corresponding machining characteristic positions of the machining characteristic elements according to the process information;
and marking the size of the projection view of the assembly according to the preset fixture positioning element, the fixture positioning element position, the processing characteristic element and the processing characteristic position.
In one optional technical solution, the dimensioning the assembly projection view according to the preset fixture positioning element and the processing feature element includes:
if the processing characteristic element is a non-ready-made graphic element, acquiring intersection point information of a space where the processing characteristic element is located;
And marking the size of the projection view of the assembly according to the intersection point information.
In one of the selectable technical schemes, the cutter information includes cutter edge size, the processing reference information includes processing reference position and fixture zero position, the two-dimensional projection view is established according to the preset information marking requirement, and the two-dimensional engineering drawing is generated, including:
Establishing a front view representing the position relation of the machining characteristic elements relative to the machining reference and the position relation of the machining characteristic elements relative to the zero point of the clamp according to the preset information labeling requirement;
Expanding the outer contour of the tool assembly model as a partial cut-away view area, and establishing a partial cross-sectional view representing the size of the tool blade, the position relationship of the tool relative to the machining reference and the zero position relationship of the tool relative to the clamp;
And amplifying the partial cut view area according to a preset proportion, and establishing a partial amplified chart representing the size of the processing characteristic element.
The technical scheme of the invention also provides a storage medium which stores computer instructions and is used for executing all the steps of the automatic process drawing generation method when the computer executes the computer instructions.
The technical scheme of the invention also provides electronic equipment, which comprises:
at least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the process drawing automatic generation method as described above.
After the technical scheme is adopted, the method has the following beneficial effects: the three-dimensional process model is input into the three-dimensional modeling model to obtain processing characteristic information of processing characteristics of the three-dimensional process model, cutter information corresponding to the processing characteristics and processing reference information corresponding to the clamp, the three-dimensional process model, the cutter assembly model and the clamp model are assembled according to the processing characteristic information, the cutter information and the processing reference information, the assembly is subjected to size marking, a two-dimensional projection view is established, a two-dimensional engineering drawing is generated, cutter processing information is output to a preset drawing position in the two-dimensional engineering drawing to form a cutter parameter table, a main shaft information table and a process information table, the two-dimensional engineering drawing is output according to a preset drawing format to generate a target process drawing, automatic generation of the process drawing is realized, the working efficiency is improved, the development period is shortened, and the labor cost is reduced.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present invention. In the figure:
FIG. 1 is a workflow diagram of a process drawing automatic generation method according to an embodiment of the present invention;
FIG. 2 is a flowchart of an automatic process drawing generation method according to another embodiment of the present invention;
FIG. 3 is a schematic structural view of an assembly of a three-dimensional process model, a tool assembly model, and a fixture model;
FIG. 4 is a schematic view projection configuration of an external feature;
FIG. 5 is a schematic view projection architecture of an internal feature;
FIG. 6 is a schematic illustration of a dimensioning configuration;
FIG. 7 is a schematic structural diagram of a process drawing;
fig. 8 is a schematic hardware structure of an electronic device for automatically generating a process drawing according to an embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be further described below with reference to the accompanying drawings.
It is to be readily understood that, according to the technical solutions of the present invention, those skilled in the art may replace various structural modes and implementation modes with each other without changing the true spirit of the present invention. Accordingly, the following detailed description and drawings are merely illustrative of the invention and are not intended to be exhaustive or to limit the invention to the precise form disclosed.
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms.
As shown in fig. 1, fig. 1 is a workflow diagram of a method for automatically generating a process drawing according to an embodiment of the present invention, including:
Step S101: inputting the three-dimensional process model into a three-dimensional modeling model to obtain machining characteristic information of machining characteristics of the three-dimensional process model, cutter information corresponding to the machining characteristics and machining reference information corresponding to the clamp;
step S102: assembling the three-dimensional procedure model, the cutter assembly model and the clamp model according to the machining characteristic information, the cutter information and the machining reference information to generate a target assembly;
Step S103: performing view projection on the target assembly according to a preset projection direction to generate an assembly projection view;
step S104: performing size marking on the projection view of the assembly according to the preset fixture positioning element and the processing characteristic element;
Step S105: according to the preset information labeling requirement, a two-dimensional projection view is established, and a two-dimensional engineering drawing is generated;
step S106: outputting cutter processing information to a preset drawing position in a two-dimensional engineering drawing to form a cutter parameter table, a main shaft information table and a working procedure information table;
step S107: and outputting a two-dimensional engineering drawing according to a preset drawing format, and generating a target engineering drawing.
Specifically, the three-dimensional process model refers to a workpiece digital model after each machining process of the product is completed, the three-dimensional process model comprises geometric information and machining requirement information, after the machining process is completed, step S101 is firstly executed to guide the three-dimensional process model into a three-dimensional modeling model, the three-dimensional modeling model is in an existing compatible current mainstream three-dimensional design software format, such as prt, x_t, stp, S lprt and the like, the three-dimensional modeling model obtains machining characteristic information of machining characteristics of the three-dimensional process model required by the product, cutter information corresponding to the machining characteristics and machining reference information corresponding to a clamp through analysis, and the machining characteristic information comprises machining characteristic elements, wherein the machining characteristic elements comprise holes, axes, planes and the like; the cutter information comprises cutter size information, cutter position information and cutter processing parameter information; the processing reference information is a reference that designates three-dimensional coordinates of the processing feature, and is defined as 000.
And then, executing step S102, namely automatically assembling the three-dimensional procedure model, the cutter assembly model and the clamp model according to the machining characteristic information, the cutter information and the machining reference information by utilizing the modeling origin and the assembly relation of the model, and generating a target assembly body, wherein the target assembly body comprises cutter machining information (such as cutter rail information), geometric information, product manufacturing information, inter-model constraint information and the like. In the assembling process, motion simulation is carried out between the cutter assembly model and the three-dimensional process model and between the three-dimensional process model and the clamp model by utilizing the calculation aided design software, whether an intersection exists between the cutter assembly model and the three-dimensional process model or between the three-dimensional process model and the clamp model is judged, interference check is completed, an interference check report is output, and the interference check report comprises whether interference conditions exist between the models, minimum gaps between the models, a cutter assembly motion interference check structure along a cutter rail and the like. When interference inspection is performed, the parts cannot be detected or are detected inaccurately due to errors in manufacturing the parts, so that the parts can interfere, and further interference early warning effect can be achieved through the minimum gap between the models.
The tool assembly model refers to an assembly body digital model of the tool digital model and the tool handle digital model, and the clamp model refers to a digital model of each part of the clamp after assembly.
Step S103 is executed again to establish a cross-sectional plane using the machining feature elements such as points, lines, axes, and the like, and view-project the target assembly according to the preset projection direction, generating an assembly projection view.
Step S104 is then executed to size the assembly projection view by using the preset fixture positioning element and the processing characteristic element.
And then, executing step S105, and establishing a two-dimensional projection view according to the preset information labeling requirement to generate a two-dimensional engineering drawing, wherein the two-dimensional engineering drawing comprises a front view, a partial cross-sectional view and a partial enlarged view.
And then, executing step S106 to output cutter processing information to a preset drawing position in the two-dimensional engineering drawing to form a cutter parameter table, a main shaft information table and a procedure information table.
And finally, executing step S107, outputting a two-dimensional engineering drawing according to a preset drawing format, and generating a target process drawing, wherein the preset drawing format comprises DWG, PDF, TIF and the like.
In the embodiment, the processing characteristic information of the processing characteristic of the three-dimensional process model, the cutter information corresponding to the processing characteristic and the processing reference information corresponding to the clamp are obtained by inputting the three-dimensional process model into the three-dimensional modeling model, the three-dimensional process model, the cutter assembly model and the clamp model are assembled according to the processing characteristic information, the cutter information and the processing reference information, the assembly is subjected to size marking, a two-dimensional projection view is established, a two-dimensional engineering drawing is generated, cutter processing information is output to a preset drawing position in the two-dimensional engineering drawing, a cutter parameter table, a main shaft information table and a process information table are formed, a two-dimensional engineering drawing is output according to a preset drawing format, and a target process drawing is generated, so that the automatic generation of the process drawing is realized, the working efficiency is improved, the development period is shortened, and the labor cost is reduced.
In one embodiment, the processing characteristic information further includes product manufacturing information, and step S104 includes:
And (5) dimension marking is carried out on the projection view of the assembly according to the product manufacturing information.
Specifically, the product manufacturing information is contained in the three-dimensional process model, the product manufacturing information is obtained after the three-dimensional process model is imported into the three-dimensional modeling model, and the information of the product itself can be marked by marking the size of the projection view of the assembly body through the product manufacturing information, for example, the size of the product itself is marked, that is, the size which is determined by the mutual position relation between the product manufacturing information and other components is not needed, so that the product information can be marked more clearly.
As shown in fig. 2, fig. 2 is a workflow diagram of a process drawing automatic generation method according to another embodiment of the present invention, including:
Step S201: inputting the three-dimensional process model into a three-dimensional modeling model to obtain processing characteristic information of processing characteristics of the three-dimensional process model, cutter information corresponding to the processing characteristics and processing reference information corresponding to a clamp, wherein the processing characteristic information comprises processing characteristic elements;
Step S202: performing contact constraint on the cutter assembly model according to the vertex coordinates, and performing assembly direction constraint on the cutter assembly model according to the machining feature vector to generate a three-dimensional cutter assembly;
specifically, the tool assembly model utilizes the vertex coordinates of the processing features on the three-dimensional process model to carry out contact constraint, and constrains the assembly direction of the tool assembly model according to the processing feature vectors of the processing features, so that the tool assembly model is automatically assembled on the three-dimensional process model. The machining feature vector refers to the direction and the size of the machining feature.
Step S203: acquiring preset positioning features of the three-dimensional process model and preset fixture positioning elements of the fixture model;
step S204: establishing an assembly constraint for limiting all degrees of freedom of the three-dimensional process model relative to the fixture positioning element according to the positioning feature and the fixture positioning element;
specifically, through the corresponding relation between the preset positioning features on the three-dimensional process model and the preset fixture positioning elements on the fixture model, assembly constraints including contact constraints, alignment constraints and the like are established, so that all degrees of freedom of the three-dimensional process model relative to the fixture positioning elements are limited.
Step S205: assembling the fixture model to the three-dimensional tool assembly according to the assembly constraint to generate a target assembly;
specifically, the jig model is automatically assembled to the three-dimensional process model according to the assembly constraint, so that the three-dimensional process model, the tool assembly model and the jig model are automatically assembled, and a target assembly is generated, as shown in fig. 3.
Step S206: if the processing characteristic elements are external processing characteristic elements, performing view projection on the target assembly according to a preset projection direction to generate a front view of the assembly;
Specifically, the external processing feature element refers to a processing feature element that can be directly seen from a projection direction, and if the processing feature element is the external processing feature element, view projection is performed on the target assembly according to a preset projection direction, so as to generate a front view of the assembly, as shown in fig. 4.
Step S207: if the processing characteristic elements are internal processing characteristic elements, a cutting plane is established according to the processing characteristic elements, view projection is carried out on the target assembly body on the cutting plane according to a preset projection direction, and an assembly body cutting view is generated;
specifically, the internal machining feature element refers to a machining feature element which cannot be directly seen after projection, if the machining feature element is the internal machining feature element, a cutting plane of the machining feature element is established on the target assembly, for example, a cutting plane is established according to an axis of the machining feature element, then a cutting view is established according to a preset projection direction, and a cutting view of the assembly is generated, as shown in fig. 5.
Step S208: acquiring process information of a three-dimensional process model;
specifically, the process information refers to a text or symbol description used for expressing the processing feature element, such as the processing feature information and the processing information of how the processing feature is processed, the process information includes the position of the fixture positioning element and the processing feature position of the processing feature element, and the processing feature position refers to the position of the processing feature element relative to the reference.
Step S209: determining the clamp positioning element positions of preset clamp positioning elements and the machining characteristic positions of corresponding machining characteristic elements according to the process information;
Step S210: performing size marking on the projection view of the assembly according to a preset fixture positioning element, a fixture positioning element position, a machining characteristic element and a machining characteristic position;
Specifically, the projection view of the assembly is labeled with dimensions using preset fixture positioning elements, fixture positioning element positions, machining feature elements, and machining feature positions, including vertices, endpoints, axes, cross sections, and the like, as shown in fig. 6.
Step S211: according to the preset information labeling requirement, a front view representing the position relation of the machining characteristic elements relative to the machining reference and the position relation of the machining characteristic elements relative to the zero point of the clamp is established;
Step S212: expanding the outer contour of the cutter assembly model as a partial cut-away view area, and establishing a partial cross-sectional view representing the cutter blade size, the position relation of the cutter relative to a processing reference and the zero position relation of the cutter relative to a clamp;
Step S213: amplifying the partial cut view area according to a preset proportion, and establishing a partial amplified chart representing the size of the processing characteristic elements;
step S214: outputting cutter processing information to a preset drawing position in a two-dimensional engineering drawing to form a cutter parameter table, a main shaft information table and a working procedure information table;
step S215: and outputting a two-dimensional engineering drawing according to a preset drawing format, and generating a target engineering drawing.
Specifically, a two-dimensional engineering drawing is output by using a template with a preset drawing pattern, such as DWG, PDF, TIF, and the like, as shown in fig. 7.
In the embodiment, the processing characteristic information of the processing characteristic of the three-dimensional process model, the cutter information corresponding to the processing characteristic and the processing reference information corresponding to the clamp are obtained by inputting the three-dimensional process model into the three-dimensional modeling model, the three-dimensional process model, the cutter assembly model and the clamp model are assembled according to the processing characteristic information, the cutter information and the processing reference information, the assembly is subjected to size marking, a two-dimensional projection view is established, a two-dimensional engineering drawing is generated, cutter processing information is output to a preset drawing position in the two-dimensional engineering drawing, a cutter parameter table, a main shaft information table and a process information table are formed, a two-dimensional engineering drawing is output according to a preset drawing format, and a target process drawing is generated, so that the automatic generation of the process drawing is realized, the working efficiency is improved, the development period is shortened, and the labor cost is reduced.
In one embodiment, the sizing the assembly projection view according to the preset fixture positioning element and the machining feature element includes:
if the processing characteristic element is a non-existing graphic element, acquiring intersection point information of a space where the processing characteristic element is located;
and carrying out size marking on the projection view of the assembly according to the intersection point information.
Specifically, when the distance of the processing characteristic element is marked, only one vertex exists, but the other vertex does not exist, so if the processing characteristic element is the non-existing pattern element, a space intersection method, such as sector automatic searching intersection point, cone automatic searching intersection point and the like, is adopted, rays can be adopted for the line until the intersection point generated by intersecting the processing characteristic element is found, and the size marking is carried out on the projection view of the assembly according to the intersection point information.
An embodiment of the invention provides a storage medium for storing computer instructions which, when executed by a computer, are adapted to carry out all the steps of the process drawing automatic generation method of any of the method embodiments described hereinbefore.
As shown in fig. 8, a hardware structure diagram of an electronic device for automatically generating a process drawing according to an embodiment of the present invention includes:
At least one processor 801; and
A memory 802 communicatively coupled to the at least one processor 801; wherein,
The memory 802 stores instructions executable by the at least one processor 801 that are executed by the at least one processor 801 to enable the at least one processor 801 to perform the process drawing automatic generation method as previously described.
One processor 801 is illustrated in fig. 8.
The electronic device is preferably an electronic control unit (Electronic Control Unit, ECU).
The electronic device may further include: an input device 803 and an output device 804.
The processor 801, memory 802, input device 803, and output device 804 may be connected by a bus or other means, for example.
The memory 802 is used as a non-volatile computer readable storage medium, and can be used to obtain a non-volatile software program, a non-volatile computer executable program, and modules, such as program instructions/modules corresponding to the process drawing automatic generation method in the embodiment of the present application, for example, the method flows shown in fig. 1-2. The processor 801 executes various functional applications and data processing by executing nonvolatile software programs, instructions, and modules acquired in the memory 802, that is, implements the process drawing automatic generation method in the above-described embodiment.
Memory 802 may include an acquisition program area and an acquisition data area, wherein the acquisition program area may acquire an operating system, at least one application program required for a function; the acquisition data area may acquire data created according to the use of the process drawing automatic generation method, and the like. In addition, memory 802 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device. In some embodiments, memory 802 may optionally include memory located remotely from processor 801, which may be connected via a network to a device performing the process drawing automatic generation method. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 803 may receive user clicks of inputs and generate signal inputs related to user settings and function controls of the process drawing automatic generation method. The output device 804 may include a display device such as a display screen.
The process drawing automatic generation method in any of the method embodiments described above is performed when executed by the one or more processors 801, as retrieved in the memory 802 in the one or more modules.
The product can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method. Technical details not described in detail in this embodiment may be found in the methods provided in the embodiments of the present application.
The above embodiments are only for illustrating the technical solution of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The automatic generation method of the process drawing is characterized by comprising the following steps:
Inputting a three-dimensional process model into a three-dimensional modeling model to obtain processing characteristic information of processing characteristics of the three-dimensional process model, cutter information corresponding to the processing characteristics and processing reference information corresponding to a clamp, wherein the processing characteristic information comprises processing characteristic elements;
assembling the three-dimensional process model, the tool assembly model and the clamp model according to the machining characteristic information, the tool information and the machining reference information to generate a target assembly body, wherein the target assembly body comprises tool machining information;
Performing view projection on the target assembly according to a preset projection direction to generate an assembly projection view;
performing size marking on the projection view of the assembly according to a preset fixture positioning element and the processing characteristic element;
according to the preset information labeling requirement, a two-dimensional projection view is established, and a two-dimensional engineering drawing is generated;
Outputting the cutter processing information to a preset drawing position in the two-dimensional engineering drawing to form a cutter parameter table, a main shaft information table and a procedure information table; and outputting the two-dimensional engineering drawing according to a preset drawing format, and generating a target engineering drawing.
2. The automatic process drawing generating method according to claim 1, wherein the assembling the three-dimensional process model, the tool assembly model, and the jig model based on the machining characteristic information, the tool information, and the machining reference information to generate a target assembly comprises:
Assembling the tool assembly model to the three-dimensional process model according to the machining characteristic information and the tool information to generate a three-dimensional tool assembly;
and assembling the clamp model to the three-dimensional tool assembly according to the machining characteristic information and the machining reference information, and generating the target assembly.
3. The automatic process drawing generating method according to claim 2, wherein the processing feature information includes vertex coordinates and processing feature vectors, and the assembling of the tool assembly model onto the three-dimensional process model based on the processing feature information and the tool information generates a three-dimensional tool assembly, comprising:
and carrying out contact constraint on the cutter assembly model according to the vertex coordinates, and carrying out assembly direction constraint on the cutter assembly model according to the processing feature vector to generate the three-dimensional cutter assembly.
4. The automatic process drawing generating method according to claim 3, wherein said assembling said jig model to said three-dimensional tool assembly to generate said target assembly comprises:
Acquiring preset positioning features of the three-dimensional process model and preset fixture positioning elements of the fixture model;
establishing an assembly constraint for limiting all degrees of freedom of the three-dimensional process model relative to the jig positioning element according to the positioning feature and the jig positioning element;
and assembling the fixture model to the three-dimensional tool assembly according to the assembly constraint to generate the target assembly.
5. The automatic process drawing generation method according to claim 1, wherein the performing view projection on the target assembly according to the preset projection direction to generate the assembly projection view includes:
If the processing characteristic elements are external processing characteristic elements, performing view projection on the target assembly according to the preset projection direction to generate an assembly front view;
If the processing characteristic elements are internal processing characteristic elements, a cutting plane is established according to the processing characteristic elements, view projection is carried out on the target assembly body on the cutting plane according to the preset projection direction, and an assembly body cutting view is generated.
6. The automatic process drawing generation method according to claim 1, wherein the sizing the assembly projection view according to a preset fixture positioning element and the processing feature element comprises:
Acquiring process information of the three-dimensional process model;
determining the clamp positioning element positions of the preset clamp positioning elements and the corresponding machining characteristic positions of the machining characteristic elements according to the process information;
and marking the size of the projection view of the assembly according to the preset fixture positioning element, the fixture positioning element position, the processing characteristic element and the processing characteristic position.
7. The method for automatically generating a process drawing according to claim 6, wherein said sizing said assembly projection view according to a preset fixture positioning element and said machining feature element comprises:
if the processing characteristic element is a non-ready-made graphic element, acquiring intersection point information of a space where the processing characteristic element is located;
And marking the size of the projection view of the assembly according to the intersection point information.
8. The automatic generation method of process drawings according to claim 1, wherein the tool information comprises a tool edge size, the machining reference information comprises a machining reference position and a fixture zero position, the two-dimensional projection view is established according to a preset information labeling requirement, and the two-dimensional engineering drawings are generated, and the method comprises the following steps:
Establishing a front view representing the position relation of the machining characteristic elements relative to the machining reference and the position relation of the machining characteristic elements relative to the zero point of the clamp according to the preset information labeling requirement;
Expanding the outer contour of the tool assembly model as a partial cut-away view area, and establishing a partial cross-sectional view representing the size of the tool blade, the position relationship of the tool relative to the machining reference and the zero position relationship of the tool relative to the clamp;
And amplifying the partial cut view area according to a preset proportion, and establishing a partial amplified chart representing the size of the processing characteristic element.
9. A storage medium storing computer instructions which, when executed by a computer, are adapted to carry out all the steps of the process drawing automatic generation method according to any one of claims 1 to 8.
10. An electronic device, comprising:
at least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the process drawing automatic generation method of any one of claims 1-8.
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