CN109108734B - Active error-proofing system and method for milling type numerical control machining tool - Google Patents
Active error-proofing system and method for milling type numerical control machining tool Download PDFInfo
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- CN109108734B CN109108734B CN201811112507.0A CN201811112507A CN109108734B CN 109108734 B CN109108734 B CN 109108734B CN 201811112507 A CN201811112507 A CN 201811112507A CN 109108734 B CN109108734 B CN 109108734B
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- 238000003754 machining Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000003801 milling Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 238000007689 inspection Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses an active error-proofing system and an active error-proofing method for milling numerical control machining cutters, wherein the system comprises a machine tool power control cabinet arranged on a numerical control machine, a first processor, a display, a laser detection device, a second processor, a transformer and an alarm circuit, wherein the second processor, the transformer and the alarm circuit are all arranged in the machine tool power control cabinet, the input end of the second processor is electrically connected with the output end of the first processor, the output end of the second processor is electrically connected with the input end of the transformer, and the output end of the transformer is electrically connected with the input end of the alarm circuit. On the premise of ensuring the safe operation of equipment and cutters, the invention improves the inspection accuracy and the inspection efficiency of the preparation work before the operation program of the machine tool, and realizes the numerical control automatic processing of part of aviation parts by matching with a new numerical control processing mode, thereby having high quality stability.
Description
Technical Field
The invention relates to numerical control machining, in particular to an active error prevention system and method for milling numerical control machining cutters.
Background
The numerical control machining is basically formed into a scale at present, but the phenomena of error use of the cutter radius, inconsistent cutter tip R, error zero setting and the like occur due to various human factors in the numerical control machining process, and no self-inspection and no error inspection are found by mutual inspection personnel. The automatic control device is characterized in that a machine tool is started to run, and the machine tool is started to run, so that the machine tool is started to run, and the machine tool is started to run.
Disclosure of Invention
In order to solve the above problems, the present invention provides an active error prevention system and method for milling type numerical control machining tools, the system includes: the device comprises a machine tool electricity control cabinet arranged on a numerical control machine tool, a first processor, a display and a laser detection device, wherein the first processor is arranged inside the machine tool electricity control cabinet; the power input end of the first processor and the power input end of the display are electrically connected with the power output end of the machine tool power control cabinet, the data input end of the display is electrically connected with the data output end of the first processor, and the laser detection device is electrically connected with the first processor in a bidirectional mode.
The system further comprises: the device comprises a first processor, a second processor, a transformer and an alarm circuit, wherein the first processor, the transformer and the alarm circuit are all arranged in a machine tool electricity control cabinet, the input end of the first processor is electrically connected with the output end of the second processor, the output end of the first processor is electrically connected with the input end of the transformer, and the output end of the transformer is electrically connected with the input end of the alarm circuit.
Further, the laser detection device comprises a first laser ranging sensor, a second laser ranging sensor and a third laser ranging sensor which are respectively and electrically connected with the first processor in a two-way manner, wherein the first laser ranging sensor is transversely arranged at one side of the numerical control machine tool processing platform, and the detection direction of the first laser ranging sensor is parallel to the plane of the numerical control machine tool processing platform and perpendicular to the numerical control machine tool processing line; the second laser ranging sensor is longitudinally arranged on one side of the numerical control machine tool processing platform, and the detection direction of the second laser ranging sensor is perpendicular to the plane of the numerical control machine tool processing platform; the third laser ranging sensor is obliquely arranged on one side of the numerical control machine tool processing platform, and the detection direction of the third laser ranging sensor forms an acute angle with the plane of the numerical control machine tool processing platform and is perpendicular to the numerical control machine tool processing line.
The active error prevention method comprises the following steps:
s1, presetting by a first processor: switching on a system power supply, setting zero positions of laser beams emitted by the three laser ranging sensors through a first processor, and setting a tolerance range of the zero positions of the laser beams;
s2, presetting a laser detection device: the laser beams emitted by the three laser ranging sensors are adjusted to the set laser beam zero point positions, and the laser beam zero point positions are brought into a machine tool mechanical coordinate system to be used as the laser detection device zero points;
s3, presetting a numerical control system detection program: adding a cutter intelligent mutual inspection numerical control program before a cutter machining numerical control program, writing cutter information into the intelligent mutual inspection numerical control program, and assigning the cutter information into a numerical control variable to enable the cutter information to be used as a cutter variable;
s4, realizing active error prevention of the cutter, which comprises the following substeps:
s41, an operator installs a tool according to tool information in an intelligent mutual detection numerical control program, sets a workpiece numerical control program zero point on a processed part, runs a processing numerical control program, automatically invokes the intelligent mutual detection numerical control program in the processing numerical control program, and the intelligent mutual detection numerical control program actively reads each axis coordinate value of the zero point position under the workpiece coordinate system of the current part under the machine tool mechanical coordinate system and gives the read value to a variable to be used as a zero point coordinate variable;
s42, the intelligent mutual detection numerical control program passes through the formula: calculating zero point-zero point coordinate variable-tool variable=zero point of the laser detection device, taking the calculation result as the movement value of each axis, and executing the calculated movement value by the intelligent mutual detection numerical control program to enable the tool to respectively move to the laser detection device and enable three measurement points of the laser detection device to be positioned at the zero point of the laser detection device;
s43, the three laser ranging sensors measure the cutter and feed back measurement results to the first processor, the first processor compares the measurement results with written cutter information one by one, and if the maximum numerical value is within a zero tolerance range set by a laser beam, the first processor outputs a normal signal and displays the normal signal on a display; if the maximum value is not within the zero tolerance range set by the laser beam, step S44 is performed;
s44, active error prevention of the cutter: the first processor outputs 5V voltage to the second processor, the second processor converts the 5V voltage into 12V voltage through the transformer and feeds the 12V voltage back to the alarm circuit, so that the machine tool is in an alarm state, the intelligent mutual detection numerical control program is blocked from running continuously, the normal operation of the machine tool is stopped, and meanwhile, the comparison result is displayed on the display.
The invention has the beneficial effects that: on the premise of ensuring the safe operation of equipment and cutters, the inspection accuracy and the inspection efficiency of the preparation work before the machine tool operation program are improved, and the numerical control automatic processing of part of aviation parts is realized by matching with a new numerical control processing mode, so that the quality stability is high.
Drawings
FIG. 1 is a schematic diagram of an active error proofing system of the present invention;
FIG. 2 is a flow chart of an active error protection method of the present invention.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present invention, a specific embodiment of the present invention will be described with reference to the accompanying drawings.
The invention provides an active error proofing system and method for milling type numerical control machining cutters, as shown in fig. 1, the system comprises: the device comprises a machine tool electricity control cabinet arranged on a numerical control machine tool, a first processor, a display and a laser detection device, wherein the first processor is arranged inside the machine tool electricity control cabinet, the display is arranged outside the machine tool electricity control cabinet, and the laser detection device is fixedly arranged at the corner of a machining platform of the numerical control machine tool; the power input end of the first processor and the power input end of the display are electrically connected with the power output end of the machine tool power control cabinet, the data input end of the display is electrically connected with the data output end of the first processor, and the laser detection device is electrically connected with the first processor in a bidirectional mode.
In addition, the system also comprises: the second processor, the transformer and the alarm circuit are all installed in the machine tool electricity control cabinet, the input end of the second processor is electrically connected with the output end of the first processor, the output end of the second processor is electrically connected with the input end of the transformer, and the output end of the transformer is electrically connected with the input end of the alarm circuit.
Specifically, the laser detection device comprises a first laser ranging sensor, a second laser ranging sensor and a third laser ranging sensor which are respectively and electrically connected with the first processor in a two-way manner, wherein the first laser ranging sensor is transversely arranged at one side of a processing platform of the numerical control machine, and the detection direction of the first laser ranging sensor is parallel to the plane of the processing platform of the numerical control machine and is perpendicular to the processing line of the numerical control machine; the second laser ranging sensor is longitudinally arranged on one side of the numerical control machine tool processing platform, and the detection direction of the second laser ranging sensor is perpendicular to the plane of the numerical control machine tool processing platform; the third laser ranging sensor is obliquely arranged on one side of the numerical control machine tool processing platform, and the detection direction of the third laser ranging sensor forms an acute angle with the plane of the numerical control machine tool processing platform and is perpendicular to the numerical control machine tool processing line.
As shown in fig. 2, the active error protection method includes the following steps:
s1, presetting by a first processor: switching on a system power supply, setting zero positions of laser beams emitted by the three laser ranging sensors through a first processor, and setting a tolerance range of the zero positions of the laser beams;
s2, presetting a laser detection device: the laser beams emitted by the three laser ranging sensors are adjusted to the set laser beam zero point positions, and the laser beam zero point positions are brought into a machine tool mechanical coordinate system to be used as zero points of a laser detection device;
s3, presetting a numerical control system detection program: adding a cutter intelligent mutual inspection numerical control program before a cutter machining numerical control program, writing cutter information into the intelligent mutual inspection numerical control program, and assigning the cutter information into a numerical control variable to enable the cutter information to be used as a cutter variable;
s4, realizing active error prevention of the cutter, which comprises the following substeps:
s41, an operator installs a tool according to tool information in an intelligent mutual detection numerical control program, sets a workpiece numerical control program zero point on a processed part, runs a processing numerical control program, automatically invokes the intelligent mutual detection numerical control program in the processing numerical control program, and the intelligent mutual detection numerical control program actively reads each axis coordinate value of the zero point position under the workpiece coordinate system of the current part under the machine tool mechanical coordinate system and gives the read value to a variable to be used as a zero point coordinate variable;
s42, the intelligent mutual detection numerical control program passes through the formula: calculating zero point-zero point coordinate variable-tool variable=zero point of the laser detection device, taking the calculation result as the movement value of each axis, and executing the calculated movement value by the intelligent mutual detection numerical control program to enable the tool to respectively move to the laser detection device and enable three measurement points of the laser detection device to be positioned at the zero point of the laser detection device;
s43, three laser ranging sensors measure the cutter and feed back measurement results to a first processor, the first processor compares the measurement results with written cutter information one by one, and if the maximum numerical value is within a zero tolerance range set by a laser beam, the first processor outputs a normal signal and displays the normal signal on a display; if the maximum value is not within the zero tolerance range set by the laser beam, step S44 is performed;
s44, active error prevention of the cutter: the first processor outputs 5V voltage to the second processor, the second processor converts the 5V voltage into 12V voltage through the transformer and feeds the 12V voltage back to the alarm circuit, so that the machine tool is in an alarm state, the intelligent mutual detection numerical control program is blocked from running continuously, the normal operation of the machine tool is stopped, and meanwhile, the comparison result is displayed on the display.
In the embodiment of the invention, the method can be realized by the following steps: as long as the actual tool information detected by the laser distance detector is not consistent with the tool information in the numerical control program, the machine tool is always in an alarm state, and the program cannot continue to run until the tool is used correctly, so that the program can be ensured to be executed smoothly.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the present invention, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically.
Claims (3)
1. An active error proofing system for a milling type numerical control machining tool, which is characterized by comprising: the device comprises a machine tool electricity control cabinet arranged on a numerical control machine tool, a first processor, a display and a laser detection device, wherein the first processor is arranged inside the machine tool electricity control cabinet; the power input ends of the first processor and the display are electrically connected with the power output end of the machine tool power control cabinet, the data input end of the display is electrically connected with the data output end of the first processor, and the laser detection device is electrically connected with the first processor in a bidirectional manner; the system further comprises:
the device comprises a first processor, a transformer and an alarm circuit, wherein the first processor, the transformer and the alarm circuit are arranged in a machine tool power control cabinet, the input end of the first processor is electrically connected with the input end of the transformer, and the output end of the transformer is electrically connected with the input end of the alarm circuit; as long as the actual cutter information detected by the laser detection device is not consistent with the cutter information in the numerical control program, an alarm circuit in the machine tool electricity control cabinet is always in an alarm state, and the numerical control program cannot continue to run until the cutter is used correctly.
2. The active error proofing system of milling type numerical control machining tool according to claim 1, wherein the laser detection device comprises a first laser ranging sensor, a second laser ranging sensor and a third laser ranging sensor which are respectively and electrically connected with the first processor in a bidirectional manner, wherein the first laser ranging sensor is transversely arranged on one side of a numerical control machine tool machining platform, and the detection direction of the first laser ranging sensor is parallel to the plane of the numerical control machine tool machining platform and is perpendicular to a numerical control machine tool machining line; the second laser ranging sensor is longitudinally arranged on one side of the numerical control machine tool processing platform, and the detection direction of the second laser ranging sensor is perpendicular to the plane of the numerical control machine tool processing platform; the third laser ranging sensor is obliquely arranged on one side of the numerical control machine tool processing platform, and the detection direction of the third laser ranging sensor forms an acute angle with the plane of the numerical control machine tool processing platform and is perpendicular to the numerical control machine tool processing line.
3. The active error proofing method of the active error proofing system of the milling type numerical control machining tool according to claim 2, comprising the following steps:
s1, presetting by a first processor: switching on a system power supply, setting zero positions of laser beams emitted by the three laser ranging sensors through a first processor, and setting a tolerance range of the zero positions of the laser beams;
s2, presetting a laser detection device: the laser beams emitted by the three laser ranging sensors are adjusted to the set laser beam zero point positions, and the laser beam zero point positions are brought into a machine tool mechanical coordinate system to be used as the laser detection device zero points;
s3, presetting a numerical control system detection program: adding a cutter intelligent mutual inspection numerical control program before a cutter machining numerical control program, writing cutter information into the intelligent mutual inspection numerical control program, and assigning the cutter information into a numerical control variable to enable the cutter information to be used as a cutter variable;
s4, realizing active error prevention of the cutter, which comprises the following substeps:
s41, an operator installs a tool according to tool information in an intelligent mutual detection numerical control program, sets a workpiece numerical control program zero point on a processed part, runs a processing numerical control program, automatically invokes the intelligent mutual detection numerical control program in the processing numerical control program, and the intelligent mutual detection numerical control program actively reads each axis coordinate value of the zero point position under the workpiece coordinate system of the current part under the machine tool mechanical coordinate system and gives the read value to a variable to be used as a zero point coordinate variable;
s42, the intelligent mutual detection numerical control program passes through the formula: calculating zero point-zero point coordinate variable-tool variable=zero point of the laser detection device, taking the calculation result as the movement value of each axis, and executing the calculated movement value by the intelligent mutual detection numerical control program to enable the tool to respectively move to the laser detection device and enable three measurement points of the laser detection device to be positioned at the zero point of the laser detection device;
s43, the three laser ranging sensors measure the cutter and feed back measurement results to the first processor, the first processor compares the measurement results with written cutter information one by one, and if the maximum numerical value is within a zero tolerance range set by a laser beam, the first processor outputs a normal signal and displays the normal signal on a display; if the maximum value is not within the zero tolerance range set by the laser beam, step S44 is performed;
s44, active error prevention of the cutter: the first processor outputs 5V voltage to the second processor, the second processor converts the 5V voltage into 12V voltage through the transformer and feeds the 12V voltage back to the alarm circuit, so that the machine tool is in an alarm state, the intelligent mutual detection numerical control program is blocked from running continuously, the normal operation of the machine tool is stopped, and meanwhile, the comparison result is displayed on the display.
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| CN201811112507.0A CN109108734B (en) | 2018-09-25 | 2018-09-25 | Active error-proofing system and method for milling type numerical control machining tool |
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| CN201811112507.0A CN109108734B (en) | 2018-09-25 | 2018-09-25 | Active error-proofing system and method for milling type numerical control machining tool |
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| TWI710748B (en) * | 2019-04-15 | 2020-11-21 | 財團法人工業技術研究院 | Contour accuracy measuring system and method thereof |
| CN110271037A (en) * | 2019-07-18 | 2019-09-24 | 华域汽车车身零件(沈阳)有限公司 | A kind of intelligent detecting method for spot welding robot's production line |
| CN113110297B (en) * | 2021-03-31 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | Method for preventing origin from being used wrongly in numerical control machining process |
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| CN102581700A (en) * | 2012-02-28 | 2012-07-18 | 上海大学 | Online automatic detecting device for rotary tool fused with video and laser |
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| IT1308434B1 (en) * | 1999-04-01 | 2001-12-17 | Fidia Spa | SYSTEM AND PROCEDURE FOR THE QUALIFICATION OF THE POSITION OF A TOOL IN A MACHINE TOOL |
| CN1274464C (en) * | 2004-11-12 | 2006-09-13 | 杭州电子科技大学 | Digital control correcting method for resonance frequency of piezoelectric transducer and supersonic concentrator |
| KR20080098102A (en) * | 2007-05-04 | 2008-11-07 | 신진 엠.티.테크 주식회사 | Method for measuring cutter |
| JP6297283B2 (en) * | 2013-09-06 | 2018-03-20 | 中村留精密工業株式会社 | Automatic setting device and automatic setting method for tool offset value of machine tool |
| US9724794B1 (en) * | 2014-01-28 | 2017-08-08 | Kerr Machine Co. | Machine tool protection |
| CN104842220A (en) * | 2015-03-13 | 2015-08-19 | 杭州电子科技大学 | Straight-edge knife setting device suitable and measuring method for numerical control machine tool machining |
| CN107717629B (en) * | 2017-11-06 | 2023-10-27 | 广东润星科技有限公司 | Method and device for detecting whether spring assembly of numerical control machine tool magazine falls off or breaks off |
| CN209125465U (en) * | 2018-09-25 | 2019-07-19 | 四川明日宇航工业有限责任公司 | Milling class numerical control machine tool active fail-safe system |
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| CN102581700A (en) * | 2012-02-28 | 2012-07-18 | 上海大学 | Online automatic detecting device for rotary tool fused with video and laser |
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