CN113290460A - Workpiece outer contour layered grinding machining file generation method, system and device - Google Patents
Workpiece outer contour layered grinding machining file generation method, system and device Download PDFInfo
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- CN113290460A CN113290460A CN202110674936.2A CN202110674936A CN113290460A CN 113290460 A CN113290460 A CN 113290460A CN 202110674936 A CN202110674936 A CN 202110674936A CN 113290460 A CN113290460 A CN 113290460A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000003754 machining Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims description 13
- 230000003993 interaction Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses a method for generating a workpiece outer contour layered grinding machining file, which comprises the following steps: s01: reading a workpiece outer contour drawing file and displaying the workpiece outer contour; s02: setting a feed point; s03: obtaining a feed parameter, a withdrawal parameter, a grinding wheel parameter and a grinding parameter, and planning a grinding path of layered feeding; s04: and generating a machining program according to the position of the feed point, the parameters and the grinding path. The invention also discloses a system and a device. The method, the system and the device do not need manual programming and do not need post-processing software; the method of the embodiment can process the grinding requirements of workpieces with different shapes, the outline lines of the workpieces are displayed after the workpiece outline drawing files are led in, the grinding starting points can be selected on different lines, and the self-defined mode feed is realized; the method has simple setting steps and convenient operation, is directly executed by using the controller of the grinding machine tool, integrates CAM processing and processing into a whole, and can efficiently execute grinding processing.
Description
Technical Field
The invention relates to the field of grinding, in particular to a method, a system and a device for generating a workpiece outer contour layered grinding file.
Background
At present, the grinding path of workpieces with different shapes is generated in two ways: manual programming and post-processing software generation (e.g., UG). The manual programming can be used for editing the feeding coordinate of each step according to the position of the outer contour feature point after the workpiece origin point is set for a relatively simple outer contour workpiece, and the cutting is realized by using the tool compensation function, but the method is time-consuming and is easy to program by mistake. The post-processing software can automatically generate a processing program after the processing parameters are set on the software aiming at a complex outer contour workpiece, and then the processing program is imported to the controller for processing.
Disclosure of Invention
In order to solve one or more technical problems in the prior art, the invention provides a method, a system and a device for generating a workpiece outer contour layered grinding machining file.
The method for generating the workpiece outer contour layered grinding machining file comprises the following steps of:
s01: reading a workpiece outer contour drawing file and displaying the workpiece outer contour;
s02: setting a feed point;
s03: obtaining a feed parameter, a withdrawal parameter, a grinding wheel parameter and a grinding parameter, and planning a grinding path of layered feeding;
s04: and generating a machining program according to the position of the feed point, the parameters and the grinding path.
The beneficial effects of the embodiment are as follows: the method can be executed by a controller of the grinding machine tool, does not need manual programming and does not need post-processing software; the method of the embodiment can process the grinding requirements of workpieces with different shapes, the outline lines of the workpieces are displayed after the workpiece outline drawing files are led in, the grinding starting points can be selected on different lines, and the self-defined mode feed is realized; the method has simple setting steps and convenient operation, is directly executed by using the controller of the grinding machine tool, integrates CAM processing and processing into a whole, and can efficiently execute grinding processing.
In some embodiments, after the workpiece outer contour drawing file is read, whether the workpiece outer contour is complete or not is judged, and if the workpiece outer contour is incomplete, a prompt that the workpiece outer contour drawing file is invalid is sent; and if the outer contour of the workpiece is complete, displaying the outer contour of the workpiece.
In some embodiments, the displayed outer contour of the workpiece comprises a plurality of line segments, each line segment comprises a straight line segment and/or an arc line segment, the midpoint of each line segment is provided with a mark, and the selected mark is set as a feed point. The starting point can be selected and ground on different lines, and the self-defined mode of feeding is realized.
In some embodiments, the grinding parameters include a grinding direction, a total grinding depth, a stepped grinding depth, a travel distance to a maximum grinding depth, and a grinding process rate. The method can set any total grinding depth, realize uniform layered feeding according to the set single grinding amount, and reduce the loss of the grinding wheel.
In some embodiments, the grinding direction includes clockwise and counterclockwise.
In some embodiments, the generated code content of the machining program is displayed on a file editing page, the file editing page further has a graphic area, the graphic area simulates and displays the grinding path, the code content of the machining program can be directly edited on the file editing page, and after the code content of the machining program is edited, the graphic area refreshes the grinding path.
In some embodiments, a grinding path is generated according to the feed point position and the grinding parameters, and the last circle of the grinding path is a non-depth grinding. The method can automatically generate one-time non-depth grinding after grinding is finished, and can improve the smoothness of a formed workpiece.
Workpiece outer contour layered grinding machining file generation system includes:
a controller, the controller comprising:
the reading module is used for reading the workpiece outer contour drawing file;
the setting module is used for setting a feed point, a feed parameter, a withdrawal parameter, a grinding wheel parameter and a grinding parameter;
the generating module is used for generating a machining program; and
the storage module is used for storing the drawing file, the feed point, each parameter and the processing file; and
and the human-computer interaction interface is connected with the controller and used for displaying the outer contour of the workpiece, providing an interface for setting a cutting point and parameters and providing a page for displaying and editing the code content of the processing program and the grinding path.
The workpiece outer contour layered grinding device comprises a controller, a human-computer interaction interface and a grinding mechanism for executing grinding actions.
Drawings
Fig. 1 is a flowchart of a method for generating a workpiece outer contour layered grinding profile according to an embodiment of the present invention.
Fig. 2 is a schematic outer contour diagram of a workpiece with a mark displayed on a human-computer interface according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a grinding path of an outer contour of a workpiece according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a workpiece outer contour layered grinding profile generation system according to an embodiment of the present invention.
Fig. 5 is a schematic view of a workpiece outer contour layered grinding apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides a method, a system and a device for generating a workpiece outer contour layered grinding machining file.
According to an aspect of the invention, a method for generating a workpiece outer contour layered grinding machining file is provided, and the method can be directly executed by a controller of a grinding machine, such as a new generation of numerical control grinding machine controller.
Referring to fig. 1, the method of the present disclosure includes the following steps:
s01: reading a workpiece outer contour drawing file and displaying the workpiece outer contour;
and loading a workpiece outer contour drawing file by using a controller of the grinding machine, wherein the workpiece outer contour drawing file can be a CAD drawing of the outer contour of the workpiece. In some embodiments, the controller executes a judgment of whether the outer contour of the workpiece is complete, and if the outer contour of the workpiece is incomplete, a prompt that the workpiece outer contour drawing file is invalid is sent; and if the outer contour of the workpiece is complete, displaying the outer contour of the workpiece. The outer contour of the workpiece can be displayed on a human-computer interaction interface of the grinding machine.
S02: setting a feed point;
and the operator selects a feed point on the outer contour of the workpiece displayed on the human-computer interaction interface. For example, referring to fig. 2, the outer contour of the workpiece is shown as a closed figure formed by connecting a plurality of line segments end to end, wherein the line segments include a straight line segment 1 and/or an arc segment 2. The controller identifies the midpoint of each line segment and marks 3 at the midpoint. The user autonomously selects the mark 3 on the human-computer interaction interface, and then triggers an instruction menu for setting the cutting point displayed on the human-computer interaction interface, and the controller sets the selected mark 3 as the cutting point and records the coordinate corresponding to the cutting point. The mark 3 may be a check box, facilitating the user to click the mark 3. A user can independently grind the starting point on different lines to realize self-defined feeding.
S03: obtaining a feed parameter, a withdrawal parameter, a grinding wheel parameter and a grinding parameter, and planning a grinding path of layered feeding;
after the feed point setting is completed, the human-computer interaction interface enters a parameter setting page, and the parameter setting page provides an entry for inputting feed parameters, retracting parameters, grinding wheel parameters and grinding parameters.
The feed parameters comprise feed rate, feed descending height and a default workpiece coordinate system. The retracting parameters comprise the push broach speed and the retracting lifting height. The parameters of the grinding wheel comprise the number of the grinding wheel, the rotation direction of the grinding wheel and the rotating speed of the grinding wheel.
The grinding parameters include grinding direction, total grinding depth, step grinding depth, travel distance to maximum grinding depth, and grinding process rate. The desired grinding path can be set by the feed point and by setting the grinding parameters. The grinding directions include clockwise and counterclockwise. The total grinding depth and the stepping grinding depth determine the number of grinding feeding turns, if the total grinding depth is 15mm, and the stepping grinding depth is 3mm, 5 turns of grinding are needed, and the feeding amount of each turn is 3 mm. The method can set any total grinding depth, realize uniform layered feeding according to the set single grinding amount, and reduce the loss of the grinding wheel.
The advancing distance to the maximum grinding depth determines the gradual and rapid cutting, and if the advancing distance to the maximum grinding depth is 100mm and the stepping grinding depth is 1mm, the grinding wheel advances 100mm along the workpiece and then feeds 1mm into the workpiece.
After the user inputs each parameter, the storage setting menu on the man-machine interaction interface is triggered, and the controller automatically stores each parameter. Referring to fig. 3, the controller automatically plans a grinding path 4 around the outer contour of the workpiece along the grinding direction according to the total grinding depth and the step grinding depth with the feed point as a starting point. In some embodiments, the grinding path is displayed on a human machine interface.
The last circle of the grinding path is not subjected to depth grinding, and once depth-free grinding can be automatically generated after grinding is finished, so that the smoothness of a formed workpiece can be improved.
S04: and generating a machining program according to the position of the feed point, the parameters and the grinding path.
The controller has the function of automatic programming. And when a user triggers an instruction for exporting the processing file on the human-computer interaction interface, the controller automatically generates and stores a processing program according to the position of the cutting point, the cutting parameter, the cutting withdrawal parameter, the parameter of the grinding wheel, the grinding parameter and the grinding path. In some embodiments, the generated machining program code content is further displayed on an archive edit page, the archive edit page further having a graphic region thereon, the graphic region simulating a grinding path, the machining program code content capable of being edited directly on the archive edit page, the graphic region refreshing the grinding path after the machining program code content is edited.
The method disclosed by the invention can be executed by a controller of the grinding machine tool, does not need manual programming and does not need post-processing software; the grinding requirements of workpieces with different shapes can be processed, the outline lines of the workpieces are displayed after the workpiece outline drawing files are led in, the grinding starting points can be selected on different lines, and the self-defined mode of feeding is realized; the method has simple setting steps and convenient operation, is directly executed by using a controller of the grinding machine tool, integrates CAM (computer aided manufacturing) processing and machining, and can efficiently execute grinding.
According to another aspect of the present disclosure, there is provided a system for generating a workpiece outer contour layered grinding machining file, referring to fig. 4, the system includes:
a controller 5, the controller 5 comprising:
the reading module 6 is used for reading the workpiece outer contour drawing file;
the setting module 7 is used for setting a feed point, a feed parameter, a retracting parameter, a grinding wheel parameter and a grinding parameter;
the generating module 8 is used for generating a machining program; and
the storage module 9 is used for storing a drawing file, a cutting feed point, each parameter and a processing file; and
and the human-computer interaction interface 10 is connected with the controller 5 and used for displaying the outer contour of the workpiece, providing an input interface for setting a cutting point and each parameter and providing a page for displaying and editing the code content of the processing program and the grinding path.
Referring to fig. 5, the device for grinding and processing the outer contour of the workpiece in layers comprises a controller 5, a human-computer interface 10, and a grinding mechanism 11 for executing a grinding action.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The method for generating the workpiece outer contour layered grinding machining file is characterized by comprising the following steps of:
s01: reading a workpiece outer contour drawing file and displaying the workpiece outer contour;
s02: setting a feed point;
s03: obtaining a feed parameter, a withdrawal parameter, a grinding wheel parameter and a grinding parameter, and planning a grinding path of layered feeding;
s04: and generating a processing program according to the position and the parameters of the feed point and the grinding path.
2. The method for generating the workpiece outer contour layered grinding machining file according to claim 1, wherein after the workpiece outer contour drawing file is read, whether the workpiece outer contour is complete or not is judged, and if the workpiece outer contour is incomplete, a prompt that the workpiece outer contour drawing file is invalid is sent; and if the outer contour of the workpiece is complete, displaying the outer contour of the workpiece.
3. The method for generating the workpiece outer contour layered grinding machining file according to claim 1 or 2, wherein the displayed workpiece outer contour comprises a plurality of line segments, the line segments comprise straight line segments and/or arc line segments, the middle point of each line segment is provided with a mark, and the selected mark is set as the feed point.
4. The method of generating a workpiece outer contour layered grinding profile according to claim 1, wherein the grinding parameters include a grinding direction, a total grinding depth, a step grinding depth, a travel distance to a maximum grinding depth, and a grinding rate.
5. The method for generating the workpiece outer contour layered grinding machining file according to claim 4, wherein the grinding direction comprises clockwise and counterclockwise.
6. The method for generating the workpiece outer contour layered grinding machining file according to claim 4, wherein a grinding path is generated according to a cutting point position and a grinding parameter, and the last circle of the grinding path is subjected to depth-free grinding.
7. The method for generating the workpiece outer contour layered grinding machining file according to claim 1, wherein the generated code content of the machining program is displayed on a file editing page, the file editing page further comprises a graphic area, the graphic area simulates and displays a grinding path, the code content of the machining program can be directly edited on the file editing page, and after the code content of the machining program is edited, the graphic area refreshes the grinding path.
8. Workpiece outer contour layered grinding processing file generation system is characterized by comprising:
a controller, the controller comprising:
the reading module is used for reading the workpiece outer contour drawing file;
the setting module is used for setting a feed point, a feed parameter, a withdrawal parameter, a grinding wheel parameter and a grinding parameter;
the generating module is used for generating a machining program; and
the storage module is used for storing the drawing file, the feed point, each parameter and the processing file; and the human-computer interaction interface is connected with the controller and is used for displaying the outer contour of the workpiece, providing an interface for setting the cutting feed point and each parameter and providing a page for displaying and editing the code content of the processing program and the grinding path.
9. A device for grinding and machining outer contours of workpieces in a layered mode, which is characterized by comprising the controller and the human-computer interaction interface as claimed in claim 8, and further comprising a grinding mechanism for executing grinding actions.
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| CN202110674936.2A CN113290460A (en) | 2021-06-17 | 2021-06-17 | Workpiece outer contour layered grinding machining file generation method, system and device |
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| CN202110674936.2A CN113290460A (en) | 2021-06-17 | 2021-06-17 | Workpiece outer contour layered grinding machining file generation method, system and device |
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2021
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