CN111421385A - Machining center cutter on-line detection method - Google Patents
Machining center cutter on-line detection method Download PDFInfo
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- CN111421385A CN111421385A CN202010260515.0A CN202010260515A CN111421385A CN 111421385 A CN111421385 A CN 111421385A CN 202010260515 A CN202010260515 A CN 202010260515A CN 111421385 A CN111421385 A CN 111421385A
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- machining center
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- 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
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0904—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool before or after machining
- B23Q17/0909—Detection of broken tools
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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention belongs to the field of processing equipment, and particularly relates to an online detection method for a cutter of a processing center.A detection mechanism is arranged on one side of a cutter library of the processing center and is used for detecting the position of a cutting end of the cutter in the cutter library; during detection, a tool to be detected in the tool magazine moves to the front end of the telescopic end of the detection mechanism, and the detection telescopic end of the detection mechanism extends out of the end part of the cutting end of the detection tool towards the tool end; the detection alarm is given when the cutter is detected to be broken or seriously worn, so that a technician can be informed to replace the broken or worn cutter in time; ensuring the next workpiece to be processed normally.
Description
Technical Field
The invention belongs to the field of machining equipment, and particularly relates to an online detection method for a machining center cutter.
Background
The numerical control machining center is common machining equipment at present, has high machining efficiency and high machining precision, and can realize automatic tool changing and automatic machining. In a full-automatic production line, a cutting knife is worn or even broken during machining in a machining process without replacing parts and monitoring by workers; when a tool with serious abrasion or fracture is replaced in the tool magazine, the problem that the tool is seriously abraded or fractured cannot be detected at present, so that the tool can be replaced on the main shaft again when the next part is machined, and the problem that the workpiece is poorly machined or even scrapped can be caused.
Disclosure of Invention
The invention aims to provide an online detection method for a machining center cutter, and aims to solve the problem that the abrasion or fracture of the cutter cannot be detected when the existing cutter is replaced into a tool magazine.
In order to achieve the above object, in the online detection method for the machining center tool provided by the embodiment of the present invention, a detection mechanism is disposed on one side of a tool magazine of the machining center, and the detection mechanism is configured to detect a position of a cutting end of the tool in the tool magazine; during detection, a tool to be detected in the tool magazine moves to the front end of the telescopic end of the detection mechanism, and the detection telescopic end of the detection mechanism extends out of the end part of the cutting end of the detection tool towards the tool end; detection of a tool break or severe wear gives a detection alarm.
Further, the detection mechanism is in communication connection with a control system of the machining center, and the detection mechanism detects that the coordinate data of the end part of the cutter is transmitted to the control system of the machining center.
Further, the detection mechanism detects the coordinates of the cutter and feeds the coordinates back to a control system of the machining center, the control system compares the detected coordinates with the original coordinates and memorizes the abrasion loss of the cutter, and when the cutter is replaced to the main shaft of the machining center, the control system controls the compensation amount of the cutter, so that the cut end part of the cutter is coincided with the original coordinates.
Further, the detection mechanism comprises an installation part, a displacement sensor, a telescopic part and a connecting part; the mounting piece is fixedly arranged inside the machining center, the telescopic piece and the displacement sensor are fixedly arranged on the mounting piece, and the connecting piece is connected with the telescopic piece and the telescopic end of the displacement sensor; the telescopic piece drives the detection end of the displacement sensor to extend to the cutter.
Further, the controller of the telescopic piece and the displacement sensor are in communication connection with a control system of the machining center.
Furthermore, the telescopic piece is an air cylinder, and a control valve of the air cylinder is in communication connection with a control system of the machining center.
Further, the mounting piece is fixedly mounted on a tool magazine shell of the machining center.
Further, one side of installed part still is equipped with the guide rail, slide on the guide rail and be equipped with the slider, the connecting piece with slider fixed connection.
One or more technical solutions in the online detection method for the machining center tool provided by the embodiment of the invention at least have the following technical effects:
1. a detection mechanism is arranged on one side of a tool magazine of a machining center and used for detecting the position of a cutting end of a tool in the tool magazine; during detection, a tool to be detected in the tool magazine moves to the front end of the telescopic end of the detection mechanism, and the detection telescopic end of the detection mechanism extends out of the end part of the cutting end of the detection tool towards the tool end; the detection alarm is given when the cutter is detected to be broken or seriously worn, so that a technician can be informed to replace the broken or worn cutter in time; ensuring the next workpiece to be processed normally.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic diagram of detection in an online detection method for a machining center tool according to an embodiment of the present invention.
Fig. 2 is a structural diagram of the detection mechanism in the online detection method for the machining center tool according to the embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the invention, as shown in fig. 1, in the method for detecting the tool of the machining center on line, a detection mechanism 100 is arranged on one side of a tool magazine 200 of the machining center, and the detection mechanism 100 is used for detecting the position of the cutting end of the tool in the tool magazine 200. During detection, a tool to be detected in the tool magazine 200 moves to the front end of the telescopic end of the detection mechanism 100, and the detection telescopic end of the detection mechanism 100 extends out of the end part of the cutting end of the detection tool towards the tool end; detection of a tool break or severe wear gives a detection alarm. Therefore, technicians can be informed to replace broken or worn cutters in time; ensuring that the next workpiece can be processed normally; and the machining precision of the workpiece can be ensured.
Further, the detection mechanism 100 is in communication connection with a control system of the machining center, and the detection mechanism 100 detects that the coordinate data of the end of the tool is transmitted to the control system of the machining center. In the embodiment, the coordinates of the cutter are detected by the detection mechanism 100 and transmitted to the control system, the control system compares the detected coordinates with the coordinates recorded originally, and when the difference between the detected coordinates and the original coordinates exceeds a certain range, an alarm is given; therefore, a technician can check the coordinate to judge whether the cutter is broken or worn, if the cutter is broken, the technician can replace the cutter in time, and if the cutter is worn, the technician can compensate the position of the cutter to ensure that the cutting end of the cutter is superposed with the original coordinate; and then guarantee the precision of work piece processing, and then can realize full automated cutting process, need not the technical staff constantly at the processing equipment inspection, reduce work load.
Further, the detection mechanism 100 detects coordinates of the tool and feeds the coordinates back to a control system of the machining center, the control system compares the detected coordinates with original coordinates and memorizes the wear amount of the tool, and when the tool is replaced to a main shaft of the machining center, the control system controls the compensation amount of the tool so that the cut end of the tool coincides with the original coordinates. In this embodiment, the tool is detected on line by the detection mechanism 100, and the automatic compensation of the control system is performed, so that when the tool is used for processing parts, the size of each processed workpiece is consistent, the processing precision is guaranteed, and the product quality is improved. In addition, the tool setting device can replace a traditional tool setting instrument, and can set a tool for each machined tool in the tool magazine in the machining process, so that the tool setting efficiency is improved, and the workpiece machining efficiency is further improved.
Further, referring to fig. 1 and 2, the detection mechanism 100 includes a mounting member 101, a displacement sensor 102, a telescopic member 103, and a connecting member 104. The mounting member 101 is fixedly arranged inside the machining center, the telescopic member 103 and the displacement sensor 102 are fixedly arranged on the mounting member 101, and the connecting member 104 connects the telescopic members 103 and the telescopic ends of the displacement sensor 102. The telescopic member 103 drives the detection end of the displacement sensor 102 to extend to the cutter. In this embodiment, the telescopic end of the displacement sensor 102 is driven to stretch by the telescopic part 103, and when the end of the displacement sensor 102 abuts against the end of the cutter, the displacement sensor 102 detects the displacement length of the cutter, so as to detect the coordinate of the cutter, and further determine whether the cutter is broken or seriously worn.
Further, the controller of the telescopic member 103 and the displacement sensor 102 are in communication connection with the control system of the machining center. In this embodiment, the control system of the machining center controls the telescopic member 103 to extend and retract, and the data detected by the displacement sensor 102 is transmitted to the control system, and the control system processes and compares the detected data.
Further, the telescopic part 103 is an air cylinder, and a control valve of the air cylinder is in communication connection with a control system of the machining center. In this embodiment, the control system controls the air valve of the air cylinder to realize the expansion of the air cylinder.
Further, the mounting member 101 is fixedly mounted on a housing of the tool magazine 200 of the machining center.
Further, one side of the mounting part 101 is further provided with a guide rail 105, a sliding block 106 is slidably arranged on the guide rail 105, and the connecting part 104 is fixedly connected with the sliding block 106. The guide rail 105 guides the connecting piece 104, so that the telescopic stability of the displacement sensor 102 and the telescopic piece 103 is improved, and the detection precision is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The machining center cutter on-line detection method is characterized in that a detection mechanism is arranged on one side of a cutter storage of a machining center, and the detection mechanism is used for detecting the position of a cutter cutting end in the cutter storage; during detection, a tool to be detected in the tool magazine moves to the front end of the telescopic end of the detection mechanism, and the detection telescopic end of the detection mechanism extends out of the end part of the cutting end of the detection tool towards the tool end; detection of a tool break or severe wear gives a detection alarm.
2. The on-line detection method for the machining center cutter according to claim 1, characterized in that: the detection mechanism is in communication connection with a control system of the machining center, and the detection mechanism detects that the coordinate data of the end part of the cutter is transmitted to the control system of the machining center.
3. The on-line detection method for the machining center cutter according to claim 2, characterized in that: the detection mechanism detects the coordinates of the cutter and feeds the coordinates back to a control system of the machining center, the control system compares the detected coordinates with the coordinates of the original point and memorizes the abrasion loss of the cutter, and when the cutter is replaced to a main shaft of the machining center, the control system controls the compensation amount of the cutter so that the cut end part of the cutter is coincided with the original coordinates.
4. The on-line detection method for the machining center cutter according to any one of claims 1 to 3, characterized by comprising the following steps: the detection mechanism comprises an installation part, a displacement sensor, a telescopic part and a connecting part; the mounting piece is fixedly arranged inside the machining center, the telescopic piece and the displacement sensor are fixedly arranged on the mounting piece, and the connecting piece is connected with the telescopic piece and the telescopic end of the displacement sensor; the telescopic piece drives the detection end of the displacement sensor to extend to the cutter.
5. The on-line detection method for the machining center cutter according to claim 4, characterized in that: and the controller of the telescopic piece and the displacement sensor are in communication connection with a control system of the machining center.
6. The on-line detection method for the machining center cutter according to claim 4, characterized in that: the telescopic piece is an air cylinder, and a control valve of the air cylinder is in communication connection with a control system of the machining center.
7. The on-line detection method for the machining center cutter according to claim 4, characterized in that: the mounting piece is fixedly mounted on a tool magazine shell of the machining center.
8. The on-line detection method for the machining center cutter according to claim 4, characterized in that: one side of installed part still is equipped with the guide rail, slide on the guide rail and be equipped with the slider, the connecting piece with slider fixed connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010260515.0A CN111421385A (en) | 2020-04-03 | 2020-04-03 | Machining center cutter on-line detection method |
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| CN202010260515.0A CN111421385A (en) | 2020-04-03 | 2020-04-03 | Machining center cutter on-line detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558546A (en) * | 2020-11-18 | 2021-03-26 | 大连理工大学 | Online cutter parameter detection method based on computer vision |
| CN113290425A (en) * | 2021-04-08 | 2021-08-24 | 佶致测控技术(苏州)有限公司 | Device for detecting broken cutter in tool magazine of numerical control machine tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558546A (en) * | 2020-11-18 | 2021-03-26 | 大连理工大学 | Online cutter parameter detection method based on computer vision |
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| CN113290425A (en) * | 2021-04-08 | 2021-08-24 | 佶致测控技术(苏州)有限公司 | Device for detecting broken cutter in tool magazine of numerical control machine tool |
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Application publication date: 20200717 |
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