CN112846941A - Machine tool with notch appearance detection function and notch appearance detection method - Google Patents

Machine tool with notch appearance detection function and notch appearance detection method Download PDF

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Publication number
CN112846941A
CN112846941A CN201911189390.0A CN201911189390A CN112846941A CN 112846941 A CN112846941 A CN 112846941A CN 201911189390 A CN201911189390 A CN 201911189390A CN 112846941 A CN112846941 A CN 112846941A
Authority
CN
China
Prior art keywords
machine tool
notch
camera
shooting
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911189390.0A
Other languages
Chinese (zh)
Inventor
龚佑宏
徐鹏
刘军
刘奎
陈南显
倪海荣
孙亚辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commercial Aircraft Corp of China Ltd
Shanghai Aircraft Manufacturing Co Ltd
Original Assignee
Commercial Aircraft Corp of China Ltd
Shanghai Aircraft Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commercial Aircraft Corp of China Ltd, Shanghai Aircraft Manufacturing Co Ltd filed Critical Commercial Aircraft Corp of China Ltd
Priority to CN201911189390.0A priority Critical patent/CN112846941A/en
Publication of CN112846941A publication Critical patent/CN112846941A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2409Arrangements for indirect observation of the working space using image recording means, e.g. a camera
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness

Abstract

The invention relates to the technical field of detection, and discloses a machine tool with a notch appearance detection function and a notch appearance detection method. The machine tool with the notch appearance detection function comprises a machine tool spindle, a machine tool magazine and a shooting assembly. The shooting assembly can be stored in a tool magazine of the machine tool and comprises a clamp handle, a camera and a connecting portion, the camera is arranged at one end of the clamp handle, and the connecting portion is arranged at the other end of the clamp handle. The machine tool spindle can be used for taking the shooting component from the machine tool magazine and is connected with the connecting portion, so that the machine tool spindle can drive the camera to move and enable the camera to shoot the notch of the workpiece. The machine tool with the notch appearance detection function provided by the invention can realize the quick connection of the shooting assembly and the main shaft of the machine tool, thereby being convenient for improving the detection speed and the detection quality; meanwhile, the shooting assembly is driven to move through the machine tool spindle, and a special moving mechanism is not required to be arranged to drive the shooting assembly to move, so that the cost can be reduced and detected, and the machine tool structure is simplified.

Description

Machine tool with notch appearance detection function and notch appearance detection method
Technical Field
The invention relates to the technical field of detection, in particular to a machine tool with a notch appearance detection function and a notch appearance detection method.
Background
When the machining quality requirement of the workpiece is high, the quality of the cut needs to be detected to ensure that the machining quality meets the machining requirement after the workpiece is cut and trimmed by a machine tool. At present, the notch morphology is mainly detected in a manual detection mode. Because the notch appearance of the workpiece made of the composite material is more complicated than that of the traditional metal workpiece, the manual detection efficiency is very low, the reliability of the detection result is poor, and meanwhile, because the notch appearance data cannot be recorded by the manual detection, the traceability of the data is difficult to achieve, so that the improvement of the workpiece processing technology is influenced, and the quality control of the whole manufacturing process of the workpiece is influenced to a certain extent.
Therefore, a new machine tool with notch topography detection function is needed to solve the above technical problems.
Disclosure of Invention
An object of the present invention is to provide a machine tool having a notch topography detection function, which can improve the detection speed of notch topography and the accuracy of detection results, and can record the detection results, and the detection cost is low, compared with the prior art.
Another objective of the present invention is to provide a method for detecting a notch profile, which is based on the above machine tool with notch profile detection function, and the method has the advantages of fast detection speed, high accuracy of detection result, and low detection cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a machine tool having a notch topography detection function capable of cutting a workpiece, comprising:
a machine tool spindle;
a machine tool magazine;
the shooting assembly can be stored in the machine tool magazine and comprises a clamp handle, a camera and a connecting part, wherein the camera is arranged at one end of the clamp handle, and the connecting part is arranged at the other end of the clamp handle;
the machine tool spindle can be used for taking the shooting component from the machine tool magazine and is connected with the connecting portion, so that the machine tool spindle can drive the camera to move and enable the camera to shoot the notch of the workpiece.
Further, still include the display, the subassembly of shooing still includes wireless transmission module, the photo that the camera was taken can be transmitted to the display through wireless transmission module, and show on the display.
Further, the shooting assembly further comprises a light source, wherein the light source is arranged on the clamp handle and can irradiate the cut to be shot.
Further, the device also comprises a shooting controller, and the shooting controller can adjust the parameters of the camera and/or the light source according to the pictures shot by the camera so as to optimize the picture shooting quality.
Further, the machine tool control device further comprises a machine tool controller, and the machine tool controller can control the motion track of the machine tool spindle.
A notch topography detection method based on the machine tool with the notch topography detection function comprises the following steps:
s1, storing a shooting assembly in a tool magazine of a machine tool;
s2, the machine tool spindle takes the shooting component from the machine tool magazine and is automatically connected with the connecting part of the shooting component;
s3, the machine tool spindle drives the shooting assembly to move so as to adjust the relative position between the camera and the notch of the workpiece to be shot;
s4, opening the camera;
and S5, shooting the notch by the camera.
Further, between the step S3 and the step S4, turning on a light source to illuminate the incision to be photographed.
Further, after step S5, the method further includes:
and S6, transmitting the picture shot by the camera to a display through a wireless transmission module, and displaying the picture on the display.
Further, after step S6, the method further includes:
and S7, according to the picture shot by the camera, the shooting controller adjusts the parameters of the camera and/or the light source so as to optimize the picture shooting quality.
Further, after step S7, the method further includes:
and S8, controlling the movement of the machine tool spindle through a machine tool controller so as to shoot other incisions to be shot.
The invention has the beneficial effects that:
the machine tool with the notch appearance detection function stores the shooting assembly in the machine tool magazine, the shooting assembly is taken out from the machine tool magazine through the machine tool spindle after a workpiece is machined or in the machining process of the workpiece, the shooting assembly is automatically installed on the machine tool spindle through the connecting portion, the machine tool spindle drives the camera to move, the position relation between the camera and a notch to be shot is adjusted, and the camera shoots the notch after the position relation is adjusted, so that the notch appearance is detected. According to the machine tool with the notch morphology detection function, the shooting assembly is stored in the tool magazine of the machine tool as a special tool, and the shooting assembly can be quickly connected with the main shaft of the machine tool, so that the detection speed and the detection quality are improved conveniently; meanwhile, the shooting assembly is driven to move by the machine tool spindle, and a special moving mechanism is not required to be arranged to drive the shooting assembly to move, so that the cost can be reduced and detected, and the machine tool structure is simplified; in addition, the camera can record the detection result so as to trace the detection result, thereby being beneficial to improving the processing technology and the processing quality of the workpiece.
Another objective of the present invention is to provide a method for detecting a notch profile, which is based on the above machine tool with notch profile detection function, and the method has the advantages of fast detection speed, high accuracy of detection result, and low detection cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic partial structural diagram of a machine tool having a notch topography detection function according to an embodiment of the present invention.
In the figure:
100-a workpiece; 101-incision;
1-machine tool spindle;
2-a shooting component; 21-a clamp handle; 22-a camera; 23-a connecting part; 24-a wireless transmission module; 25-a light source; 26-a power supply;
3-a display;
4-a shooting controller;
5-machine tool controller.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present embodiment provides a machine tool having a notch topography detection function, which can be used for trimming a workpiece 100 made of a composite material. Specifically, the machine tool with the notch morphology detecting function comprises a machine tool spindle 1, a machine tool magazine and a shooting assembly 2, wherein the shooting assembly 2 can be stored in the machine tool magazine, the shooting assembly 2 comprises a clamp handle 21, a camera 22 and a connecting portion 23, the camera 22 is arranged at one end of the clamp handle 21, and the connecting portion 23 is arranged at the other end of the clamp handle 21. The machine tool spindle 1 can take the shooting component 2 from the machine tool magazine and is connected with the connecting part 23, so that the machine tool spindle 1 can drive the camera 22 to move and the camera 22 can shoot the notch 101 of the workpiece 100.
In the machine tool with the notch feature detection function provided by this embodiment, the shooting component 2 is stored in the tool magazine of the machine tool, after the workpiece 100 is machined or during the machining process of the workpiece 100, the shooting component 2 is taken out from the tool magazine of the machine tool through the machine tool spindle 1, and the shooting component 2 is automatically installed on the machine tool spindle 1 through the connecting portion 23, so that the machine tool spindle 1 drives the camera 22 to move, so as to adjust the position relationship between the camera 22 and the notch 101 to be shot, and after the position relationship is adjusted, the camera 22 shoots the notch 101, so as to detect the feature of the notch 101. According to the machine tool with the notch morphology detection function, the shooting component 2 is stored in the tool magazine of the machine tool as a special tool, so that the shooting component 2 can be quickly connected with the main shaft 1 of the machine tool, and the detection speed and the detection quality can be improved conveniently; meanwhile, the shooting component 2 is driven to move by the machine tool spindle 1, and a special moving mechanism is not required to be arranged to drive the shooting component 2 to move, so that the cost can be reduced and detected, and the machine tool structure is simplified; in addition, the camera 22 can record the detection result so as to trace the detection result, thereby being beneficial to improving the processing technology and the processing quality of the workpiece 100.
Specifically, in the present embodiment, the camera 22 employs a global shutter camera. The 1000 ten thousand pixel industrial camera can meet the requirement of the appearance acquisition of the notch 101 through testing, the camera can achieve a good imaging effect by combining with a 16mm lens, and the requirement of the depth of field of the camera is better met.
Preferably, the machine tool with the notch topography detection function provided by the embodiment further comprises a display 3, the shooting assembly 2 further comprises a wireless transmission module 24, and the pictures shot by the camera 22 can be transmitted to the display 3 through the wireless transmission module 24 and displayed on the display 3. The appearance of the incision 101 can be observed in real time through the cooperation of the display 3 and the wireless transmission module 24. Specifically, in the present embodiment, the wireless transmission module 24 is provided on the clip handle 21.
Preferably, in the present embodiment, the photographing assembly 2 further includes a light source 25, and the light source 25 is disposed on the clamp holder 21 and can illuminate the incision 101 to be photographed. Since the workpiece 100 made of the composite material has a dark surface color and linear textures, under normal light conditions, the reflection generated by the textures interferes with the detection result of the shape of the notch 101. Therefore, an additional light source 25 is required to reduce the detection error. Preferably, the light source 25 is a plurality of rows of closely-spaced LED strip light sources with high focusing power.
Alternatively, the light source 25 obliquely irradiates the slit 101 to be photographed. Optionally, the angle between the light source 25 and the horizontal plane is acute. Further, the angle between the light source 25 and the horizontal plane is less than or equal to 45 °. Of course, the specific irradiation angle, distance, and the like of the light source 25 may be appropriately adjusted according to the actual situation.
Further, the camera assembly 2 further comprises a power supply 26, the power supply 26 being capable of powering the camera 22 and/or the light source 25.
Further, the machine tool with the notch topography detection function provided by the present embodiment further includes a photographing controller 4, and the photographing controller 4 can adjust parameters of the camera 22 and/or the light source 25 according to the picture taken by the camera 22 to optimize the picture taking quality. In the present embodiment, parameters of the camera 22 and the light source 25 can be adjusted by the photographing controller 4, so as to improve the clarity of the picture, obtain the best picture quality, and facilitate to improve the accuracy of the detection result.
Further, the machine tool with the notch topography detection function provided by the embodiment further includes a machine tool controller 5, and the machine tool controller 5 can control the motion track of the machine tool spindle 1 to shoot other notches 101 to be shot.
Preferably, the machine tool with the notch topography detection function provided by the embodiment further comprises a cloud server. The pictures taken by the camera 22 can be transmitted by the wireless transmission module 24 to a cloud server, which stores the pictures. In addition, the cloud server can also process and analyze the photos by using a computer vision algorithm, find and determine the shape boundary of the notch by judging bright and dark points, compare and analyze the shape boundary with the image of each defect acceptance limit block, display the shape boundary in different colors at unqualified positions, and display the shape boundary in a detection report.
The embodiment further provides a notch topography detection method, which is based on the above machine tool with the notch topography detection function, and includes:
s1, storing the shooting assembly 2 in a tool magazine of a machine tool;
s2, the machine tool spindle 1 takes the shooting component 2 from the machine tool magazine and is automatically connected with the connecting part 23 of the shooting component 2;
s3, the machine tool spindle 1 drives the shooting component 2 to move so as to adjust the relative position between the camera 22 and the notch 101 of the workpiece 100 to be shot;
s4, opening the camera 22;
s5, the camera 22 shoots the notch 101.
The method for detecting the notch morphology provided by the embodiment is based on the machine tool with the notch morphology detection function, and is high in detection speed, high in accuracy of a detection result and low in detection cost.
Further, between step S3 and step S4, the method further includes: s41, turning on the power supply 26 and the wireless transmission module 24. Further, after step S41, the method further includes: s42, turning on the light source 25 to enable the light source 25 to irradiate the notch 101 to be shot.
Further, after step S5, the method further includes: s6, the picture taken by the camera 22 is transmitted to the display 3 through the wireless transmission module 24 and is displayed on the display 3.
Further, after step S6, the method further includes: s7. according to the picture taken by the camera 22, the photographing controller 4 adjusts parameters of the camera 22 and/or the light source 25 to optimize picture-taking quality.
Further, after step S7, the method further includes: and S8, controlling the movement of the machine tool spindle 1 through the machine tool controller 5 to shoot other cuts 101 to be shot.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A machine tool with notch topography detection capability capable of cutting a workpiece (100), comprising:
a machine tool spindle (1);
a machine tool magazine;
the shooting assembly (2) can be stored in the machine tool magazine, the shooting assembly (2) comprises a clamp handle (21), a camera (22) and a connecting portion (23), the camera (22) is arranged at one end of the clamp handle (21), and the connecting portion (23) is arranged at the other end of the clamp handle (21);
the machine tool spindle (1) can be used for taking the shooting component (2) from the machine tool magazine and is connected with the connecting part (23), so that the machine tool spindle (1) can drive the camera (22) to move and the camera (22) can shoot the notch (101) of the workpiece (100).
2. The machine tool with notch topography detection function according to claim 1, further comprising a display (3), wherein said shooting assembly (2) further comprises a wireless transmission module (24), and the pictures shot by said camera (22) can be transmitted to said display (3) through said wireless transmission module (24) and displayed on said display (3).
3. The machine tool with notch topography detection function according to claim 2, characterized in that the camera assembly (2) further comprises a light source (25), the light source (25) is arranged on the clamp holder (21) and is capable of illuminating the notch (101) to be photographed.
4. The machine tool with notch topography detection function according to claim 3, further comprising a photographing controller (4), wherein the photographing controller (4) is capable of adjusting parameters of the camera (22) and/or the light source (25) according to the picture taken by the camera (22) to optimize picture taking quality.
5. The machine tool with the notch topography detection function according to any one of claims 1 to 4, further comprising a machine tool controller (5), wherein the machine tool controller (5) can control a motion trajectory of the machine tool spindle (1).
6. A notch topography detection method based on the machine tool having a notch topography detection function according to any one of claims 1 to 5, comprising:
s1, storing a shooting assembly (2) in a tool magazine of a machine tool;
s2, the machine tool spindle (1) is used for taking the shooting component (2) from the machine tool magazine and is automatically connected with a connecting part (23) of the shooting component (2);
s3, the machine tool spindle (1) drives the shooting component (2) to move so as to adjust the relative position between the camera (22) and the notch (101) of the workpiece (100) to be shot;
s4, opening the camera (22);
s5, the camera (22) shoots the notch (101).
7. The notch topography detection method according to claim 6, further comprising turning on a light source (25) between step S3 and step S4, so that the light source (25) illuminates the notch (101) to be photographed.
8. The notch topography detection method according to claim 7, further comprising after step S5:
s6, the picture shot by the camera (22) is transmitted to the display (3) through the wireless transmission module (24) and displayed on the display (3).
9. The notch topography detection method according to claim 8, further comprising after step S6:
s7, according to the picture shot by the camera (22), the shooting controller (4) adjusts the parameters of the camera (22) and/or the light source (25) so as to optimize the picture shooting quality.
10. The notch topography detection method according to claim 9, further comprising, after step S7:
s8, controlling the movement of the machine tool spindle (1) through a machine tool controller (5) to shoot other cuts (101) to be shot.
CN201911189390.0A 2019-11-28 2019-11-28 Machine tool with notch appearance detection function and notch appearance detection method Pending CN112846941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911189390.0A CN112846941A (en) 2019-11-28 2019-11-28 Machine tool with notch appearance detection function and notch appearance detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911189390.0A CN112846941A (en) 2019-11-28 2019-11-28 Machine tool with notch appearance detection function and notch appearance detection method

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Publication Number Publication Date
CN112846941A true CN112846941A (en) 2021-05-28

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2762324A1 (en) * 2010-12-23 2012-06-23 General Electric Company Cutting tool abnormality sensing apparatus
CN102566504A (en) * 2012-01-19 2012-07-11 河北工业大学 General diagnosing and repairing tool for numerical control machine
CN102785126A (en) * 2012-08-16 2012-11-21 大连理工大学 Tool magazine and automatic tool changer comprehensive performance detecting system
CN103801989A (en) * 2014-03-10 2014-05-21 太原理工大学 Airborne automatic measurement system for determining origin of coordinates of workpiece according to image processing
JPWO2017017824A1 (en) * 2015-07-29 2018-02-08 株式会社牧野フライス製作所 Tool changing method and tool changing device
CN108526968A (en) * 2017-03-02 2018-09-14 发那科株式会社 Machine tool system
CN109324058A (en) * 2018-10-26 2019-02-12 天津工业大学 A kind of detection device for tool wear
CN208929789U (en) * 2018-09-28 2019-06-04 深圳长城开发科技股份有限公司 Automatic tool changer structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2762324A1 (en) * 2010-12-23 2012-06-23 General Electric Company Cutting tool abnormality sensing apparatus
CN102566504A (en) * 2012-01-19 2012-07-11 河北工业大学 General diagnosing and repairing tool for numerical control machine
CN102785126A (en) * 2012-08-16 2012-11-21 大连理工大学 Tool magazine and automatic tool changer comprehensive performance detecting system
CN103801989A (en) * 2014-03-10 2014-05-21 太原理工大学 Airborne automatic measurement system for determining origin of coordinates of workpiece according to image processing
JPWO2017017824A1 (en) * 2015-07-29 2018-02-08 株式会社牧野フライス製作所 Tool changing method and tool changing device
CN108526968A (en) * 2017-03-02 2018-09-14 发那科株式会社 Machine tool system
CN208929789U (en) * 2018-09-28 2019-06-04 深圳长城开发科技股份有限公司 Automatic tool changer structure
CN109324058A (en) * 2018-10-26 2019-02-12 天津工业大学 A kind of detection device for tool wear

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