CN109827903B - Piston detection defect detection device and method - Google Patents
Piston detection defect detection device and method Download PDFInfo
- Publication number
- CN109827903B CN109827903B CN201910226680.1A CN201910226680A CN109827903B CN 109827903 B CN109827903 B CN 109827903B CN 201910226680 A CN201910226680 A CN 201910226680A CN 109827903 B CN109827903 B CN 109827903B
- Authority
- CN
- China
- Prior art keywords
- piston
- axis
- motor
- range finder
- coordinate
- 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.)
- Active
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a device and a method for detecting a piston detection defect, and relates to the technical field of piston detection. The device comprises a rotating mechanism, a sensing mechanism, a coordinate mechanism and a control mechanism. The rotating mechanism comprises a rotating platform and a driving assembly, the rotating platform is used for mounting the piston, and the driving assembly is used for driving the piston to selectively rotate or stand still in the horizontal direction; the sensing mechanism comprises a linear laser range finder and a range finder direction motor, and the range finder direction motor is used for driving the linear laser range finder to move so as to acquire distance information on different positions of the piston; the coordinate mechanism is connected with the sensing mechanism and is used for driving the sensing mechanism to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system; the control mechanism is configured to control the coordinate mechanism to drive the sensing mechanism to move along an X axis, a Y axis or a Z axis, and converts distance information collected by the moved line laser distance measuring instrument into coordinate information to detect the defects of the piston. The device can improve piston detection efficiency, the guarantee security.
Description
Technical Field
The invention relates to the technical field of piston detection, in particular to a device and a method for detecting a piston detection defect.
Background
The piston is one of important parts of an automobile engine, the development speed of the automobile manufacturing industry is determined by the detection precision of the piston, and the piston detection becomes an important component of the automobile manufacturing industry more and more. Piston detection adopts contact detection mostly among the prior art, detects the head and can cause wearing and tearing through long-term the use, causes the secondary damage to the piston surface, and it is not high to detect the precision, and detection speed is slow, and security and stability are not good, can not satisfy high accuracy high efficiency piston detection demand.
Disclosure of Invention
The invention aims to provide a piston detection defect detection device which can solve the problems of low detection precision, low detection speed and the like in the prior art, improve the detection efficiency of a piston and guarantee the safety.
Another object of the present invention is to provide a method for detecting a piston defect, which uses the apparatus for detecting a piston defect to detect the piston defect. Therefore, the method can solve the problems of low detection precision, low detection speed and the like in the prior art, improve the detection efficiency of the piston and ensure the safety.
The embodiment of the invention is realized by the following steps:
a piston inspection defect detection apparatus, comprising:
the rotary mechanism comprises a rotary platform and a driving assembly, the rotary platform is used for mounting the piston, and the driving assembly is used for driving the piston to selectively rotate or stand in the horizontal direction;
the sensing mechanism is arranged adjacent to the piston and comprises a linear laser range finder and a range finder direction motor, the range finder direction motor is in transmission connection with the linear laser range finder, and the range finder direction motor is configured to drive the linear laser range finder to move so as to collect distance information on different positions of the piston;
the coordinate mechanism is connected with the sensing mechanism and is used for driving the sensing mechanism to selectively move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system;
and the control mechanism is electrically connected with the rotating mechanism, the sensing mechanism and the coordinate mechanism, is configured to control the coordinate mechanism to drive the sensing mechanism to move along an X axis, a Y axis or a Z axis, and converts distance information acquired by the moved linear laser distance meter into coordinate information to detect the defects of the piston.
Further, in a preferred embodiment of the present invention, the driving assembly includes a first motor and a rotating shaft, the first motor is in transmission connection with the rotating shaft, and the first motor is used for driving the rotating shaft to rotate so as to drive the piston to rotate in the horizontal direction with the rotating shaft as a central axis.
Further, in a preferred embodiment of the present invention, the driving assembly further includes a clamp, a first end of the rotating shaft is in transmission connection with the first motor, a second end of the rotating shaft is fixedly connected with the clamp, and the clamp is used for mounting the piston;
the first motor is configured to drive the rotating shaft to rotate so as to drive the clamp carrying piston to rotate in the horizontal direction by taking the rotating shaft as a central shaft.
Further, in a preferred embodiment of the present invention, the jig is an internal expanding jig.
Further, in a preferred embodiment of the present invention, the coordinate mechanism includes a first mechanism body, a second mechanism body and a third mechanism body respectively extending along the X-axis, the Y-axis and the Z-axis of the XYZ three-dimensional coordinate system, the first mechanism body and the second mechanism body are on a horizontal plane, the third mechanism body is perpendicular to the horizontal plane, the first end of the first mechanism body is perpendicular to the second mechanism body, the second end of the first mechanism body is perpendicular to the third mechanism body, and the third mechanism body is fixedly connected to the sensing mechanism;
the coordinate mechanism further comprises a second motor, a third motor and a fourth motor, the second motor is in transmission connection with the second mechanism body and used for driving the second mechanism body to move along the Y axis, the third motor is in transmission connection with the first mechanism body and used for driving the first mechanism body to move along the X axis, and the fourth motor is in transmission connection with the third mechanism body and used for driving the third mechanism body to move along the Z axis.
Further, in a preferred embodiment of the present invention, the first mechanism body, the second mechanism body and the third mechanism body are all screw rods.
Further, in a preferred embodiment of the present invention, the control mechanism includes a first controller for controlling the first motor, a second controller for controlling the second motor, the third motor and the fourth motor, a third controller for controlling the direction motor of the distance measuring instrument, and a data processing controller for converting the distance information collected by the moved line laser distance measuring instrument into coordinate information to detect the defect of the piston.
A piston detection defect detection method utilizes the piston detection defect detection device to detect.
Further, in a preferred embodiment of the present invention, the piston inspection defect detecting method includes:
the control mechanism is used for controlling a driving assembly of the rotating mechanism to drive the piston to be static or rotate;
controlling a coordinate mechanism to drive a sensing mechanism to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system by using a control mechanism so as to reach a plurality of stations;
the distance measuring instrument direction motor of the sensing mechanism is controlled by the control mechanism to drive the laser distance measuring instrument to detect the distance information of the piston on a plurality of stations, and the distance information collected by the moved line laser distance measuring instrument is converted into coordinate information to detect the defect of the piston.
Further, in a preferred embodiment of the present invention, the method specifically includes:
the drive assembly is stationary such that the piston is stationary relative to the rotating platform;
the coordinate mechanism drives the sensing mechanism to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system to reach a first station, so that the line laser distance meter moves until a laser surface is perpendicular to the top surface of the piston;
the coordinate mechanism continuously drives the sensing mechanism to move on the top surface of the piston, measures the moved distance information through the line laser range finder, and converts the distance information into coordinate information to detect the shape and position defects of the top surface of the piston;
alternatively, the first and second electrodes may be,
the driving assembly drives the piston to rotate at a constant speed in the horizontal direction;
the coordinate mechanism drives the sensing mechanism to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system so as to reach a second station, so that the linear laser range finder moves to the position obliquely above the piston, and the laser surface irradiates the edge, intersected with the cylindrical surface, of the top surface of the piston at an angle of 45 degrees;
measuring distance information through a line laser distance measuring instrument, and converting the distance information into coordinate information to detect an intersection angle of the top surface of the piston and the cylindrical surface;
alternatively, the first and second electrodes may be,
the driving assembly drives the piston to rotate at a constant speed in the horizontal direction;
the coordinate mechanism drives the sensing mechanism to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system so as to reach a third station, so that the line laser distance measuring instrument moves to the side face of the piston, the laser surface irradiates on the cylindrical surface of the piston, and the laser line formed on the cylindrical surface of the piston by the laser surface is parallel to a generatrix of the cylindrical surface of the piston;
and measuring distance information by a line laser distance measuring instrument, and converting the distance information into coordinate information to detect the ring groove and coaxiality form and position information of the piston.
The embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the invention provides a piston detection defect detection device which comprises a rotating mechanism, a sensing mechanism, a coordinate mechanism and a control mechanism. The rotary mechanism comprises a rotary platform and a driving assembly, wherein the rotary platform is used for mounting the piston, and the driving assembly is used for driving the piston to selectively rotate or stand still in the horizontal direction; the sensing mechanism is arranged adjacent to the piston and comprises a linear laser range finder and a range finder direction motor, the range finder direction motor is in transmission connection with the linear laser range finder, and the range finder direction motor is configured to drive the linear laser range finder to move so as to collect distance information on different positions of the piston; the coordinate mechanism is connected with the sensing mechanism and is used for driving the sensing mechanism to selectively move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system; the control mechanism is electrically connected with the rotating mechanism, the sensing mechanism and the coordinate mechanism, and is configured to control the coordinate mechanism to drive the sensing mechanism to move along an X axis, a Y axis or a Z axis, and the control mechanism converts distance information acquired by the moved line laser distance measuring instrument into coordinate information to detect defects of the piston. Through the synergistic effect of rotary mechanism, sensing mechanism, coordinate mechanism and control mechanism for the device can solve the detection precision that exists among the prior art not high, detect the slow scheduling problem, improves piston detection efficiency, ensures the security.
The piston detection defect detection method provided by the embodiment of the invention utilizes the piston detection defect detection device to detect. Therefore, the method can solve the problems of low detection precision, low detection speed and the like in the prior art, improve the detection efficiency of the piston and ensure the safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a first schematic structural diagram of a piston defect detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a piston defect detection apparatus according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a rotating mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic partial structural diagram of a piston defect detection apparatus according to an embodiment of the present invention during detection;
FIG. 5 is a schematic structural diagram of a station state of the apparatus for detecting a piston defect according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of coordinate data acquisition of a piston inspection defect detecting apparatus according to an embodiment of the present invention;
fig. 7 is a schematic flow chart of a piston detection defect detection method according to an embodiment of the present invention.
Icon: 100-a piston detection defect detection device; 101-a rotation mechanism; 103-a sensing mechanism; 105-a coordinate mechanism; 107-rotating platform; 109-a drive assembly; 111-line laser rangefinder; 113-rangefinder direction motor; 115-a first motor; 117-shaft; 119-a clamp; 121-a first mechanism body; 123-a second mechanism body; 125-a third mechanism body; 127-a second motor; 129-a third motor; 131-a fourth motor; 133-a first controller; 135-a second controller; 137-a third controller; 139-a data processing controller; 141-ring grooves; 143-a piston; 145-top surface circle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral 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.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature being below, beneath and beneath a second feature includes the first feature being directly below and obliquely above the second feature, or simply means that the first feature is at a lesser level than the second feature.
Fig. 1 is a first schematic structural diagram of a piston defect detecting apparatus 100 according to the present embodiment; fig. 2 is a second schematic structural diagram of the piston defect detecting apparatus 100 according to the present embodiment. Referring to fig. 1 and fig. 2, the present embodiment provides a piston defect detecting apparatus 100, including: a rotation mechanism 101, a sensing mechanism 103, a coordinate mechanism 105, and a control mechanism.
In detail, referring to fig. 1 and fig. 2 again, in the present embodiment, the rotating mechanism 101 includes a rotating platform 107 and a driving assembly 109, the rotating platform 107 is used for mounting the piston 143, and the driving assembly 109 is used for driving the piston 143 to selectively rotate or stop in the horizontal direction. Through the arrangement of the rotating mechanism 101, the piston 143 can rotate to a required station in the horizontal direction and can also be stationary, so that a plurality of parts of the piston 143 can be detected through the sensing mechanism 103, and the detection quality, precision and efficiency are greatly improved.
In detail, referring to fig. 1 and fig. 2 again, in the present embodiment, the sensing mechanism 103 is disposed adjacent to the piston 143, and the sensing mechanism 103 includes a line laser distance meter 111 and a distance meter direction motor 113, the distance meter direction motor 113 is in transmission connection with the line laser distance meter 111, and the distance meter direction motor 113 is configured to drive the line laser distance meter 111 to move so as to collect distance information on different positions of the piston 143. Through the setting of line laser range finder 111 and distancer direction motor 113 for distance information on each position of piston 143 all can obtain gathering, thereby can improve detection efficiency and precision.
In detail, referring to fig. 1 and fig. 2 again, in the present embodiment, the coordinate mechanism 105 is connected to the sensing mechanism 103 and is configured to drive the sensing mechanism 103 to selectively move along an X-axis, a Y-axis or a Z-axis in an XYZ three-dimensional coordinate system. The control mechanism is electrically connected with the rotating mechanism 101, the sensing mechanism 103 and the coordinate mechanism 105, and the control mechanism is configured to control the coordinate mechanism 105 to drive the sensing mechanism 103 to move along the X axis, the Y axis or the Z axis, and convert the distance information collected by the moved line laser distance meter 111 into coordinate information to detect the defect of the piston 143. Through the synergistic effect of the rotating mechanism 101, the sensing mechanism 103, the coordinate mechanism 105 and the control mechanism, the device can solve the problems of low detection precision, low detection speed and the like in the prior art, improve the detection efficiency of the piston 143 and ensure the safety.
Fig. 3 is an exploded schematic view of the rotating mechanism 101 provided in this embodiment. Referring to fig. 1 to fig. 3, in the present embodiment, the driving assembly 109 includes a first motor 115 and a rotating shaft 117, the first motor 115 is in transmission connection with the rotating shaft 117, and the first motor 115 is configured to drive the rotating shaft 117 to rotate so as to drive the piston 143 to rotate in the horizontal direction with the rotating shaft 117 as a central axis. Through the drive of first motor 115, can drive pivot 117 effectively and rotate to drive piston 143 and rotate in the horizontal direction, and then can make laser range finder can shine each position of piston 143, guarantee the accuracy that detects the structure at last. Of course, in other embodiments of the present invention, the type of the driving assembly 109 may also be selected according to the requirement, and the embodiments of the present invention are not limited.
Preferably, in this embodiment, the driving assembly 109 further includes a clamp 119, a first end of the rotating shaft 117 is in transmission connection with the first motor 115, a second end of the rotating shaft 117 is fixedly connected with the clamp 119, and the clamp 119 is used for mounting the piston 143; the first motor 115 is configured to drive the rotating shaft 117 to rotate, so as to drive the clamp 119 and the piston 143 to rotate in the horizontal direction around the rotating shaft 117 as a center. The arrangement of the clamp 119 greatly improves the stability of the piston 143 in the movement process, thereby ensuring the detection precision and quality.
Further preferably, in the present embodiment, the clamp 119 is an internal expanding clamp 119. The internal expanding clamp 119 provides a stable and effective clamping force. Of course, in other embodiments of the present invention, the type of the clamp 119 may also be selected according to requirements, and the embodiments of the present invention are not limited.
Referring to fig. 1 to 3 again, in the present embodiment, the coordinate mechanism 105 includes a first mechanism body 121, a second mechanism body 123 and a third mechanism body 125 respectively extending along the X-axis, the Y-axis and the Z-axis of the XYZ three-dimensional coordinate system, the first mechanism body 121 and the second mechanism body 123 are on a horizontal plane, the third mechanism body 125 is perpendicular to the horizontal plane, the first end of the first mechanism body 121 is perpendicular to the second mechanism body 123, the second end of the first mechanism body 121 is perpendicular to the third mechanism body 125, and the third mechanism body 125 is fixedly connected to the sensing mechanism 103; the coordinate mechanism 105 further comprises a second motor 127, a third motor 129 and a fourth motor 131, wherein the second motor 127 is in transmission connection with the second mechanism body 123 and used for driving the second mechanism body 123 to move along the Y axis, the third motor 129 is in transmission connection with the first mechanism body 121 and used for driving the first mechanism body 121 to move along the X axis, and the fourth motor 131 is in transmission connection with the third mechanism body 125 and used for driving the third mechanism body 125 to move along the Z axis. The second motor 127, the third motor 129 and the fourth motor 131 are all high-speed stepping motors, and the coordinate mechanism 105 is arranged, so that the sensing mechanism 103 can move along the directions of the X axis, the Y axis and the Z axis, and the detection of defects at various positions of the piston 143 can be realized.
Preferably, in the present embodiment, the first mechanism body 121, the second mechanism body 123, and the third mechanism body 125 are all screw rods. The motor drives the lead screw to do linear motion, and then the sensing mechanism 103 can be driven to move along an X axis, a Y axis or a Z axis, so that the detection requirements on all positions are met.
Referring to fig. 1 to 3 again, in the present embodiment, the control mechanism includes a first controller 133, a second controller 135, a third controller 137 and a data processing controller 139, the first controller 133 is configured to control the first motor 115, the second controller 135 is configured to control the second motor 127, the third motor 129 and the fourth motor 131, the third controller 137 is configured to control the rangefinder direction motor 113, and the data processing controller 139 is configured to convert the distance information collected by the moved line laser rangefinder 111 into coordinate information to detect a defect of the piston 143. In the detection, the sensing mechanism 103, the rotating mechanism 101, and the coordinate mechanism 105 may be controlled by the control mechanism, so as to meet the measurement requirements of each position.
Fig. 4 is a schematic partial structural diagram of the piston inspection defect detecting apparatus 100 according to the embodiment of the present invention; fig. 5 is a schematic structural diagram of a station state of the piston defect detecting apparatus 100 according to the present embodiment; fig. 6 is a schematic diagram of coordinate data acquisition of the piston detection defect detecting apparatus 100 provided in this embodiment; fig. 7 is a schematic flow chart of the method for detecting defects of the piston 143 according to this embodiment. Referring to fig. 4 to 7, an embodiment of the invention further provides a method for detecting defects of the piston 143, which uses the apparatus 100 for detecting defects of the piston. Therefore, the method can solve the problems of low detection precision, low detection speed and the like in the prior art, improve the detection efficiency of the piston 143 and ensure the safety.
In detail, the method comprises the following steps:
s1: the control mechanism is used for controlling the driving assembly 109 of the rotating mechanism 101 to drive the piston 143 to be static or rotate;
s2: controlling a coordinate mechanism 105 by using a control mechanism to drive a sensing mechanism 103 to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system so as to reach a plurality of stations;
s3: the distance measuring instrument direction motor 113 of the sensing mechanism 103 is controlled by the control mechanism to drive the laser distance measuring instrument 111 to detect the distance information of the piston 143 at a plurality of stations, and the distance information collected by the moved line laser distance measuring instrument 111 is converted into coordinate information to detect the defect of the piston 143.
Specifically, referring to fig. 2, fig. 5 and fig. 6, in the present embodiment, the method may specifically include: the drive assembly 109 is stationary such that the piston 143 is stationary relative to the rotary platform 107; the coordinate mechanism 105 drives the sensing mechanism 103 to move along the X-axis, the Y-axis or the Z-axis in the XYZ three-dimensional coordinate system to reach the first station, so that the line laser rangefinder 111 moves to a position where the laser plane is perpendicular to the top surface of the piston 143; the coordinate mechanism 105 continues to drive the sensing mechanism 103 to move on the top surface of the piston 143, and measures the distance information after the movement by the line laser distance meter 111, and converts the distance information into coordinate information to detect the form and position defect of the top surface circle 145 of the piston 143.
When the piston defect detecting device 100 is at the first station, the clamp 119 clamps and stabilizes the piston 143, the first motor 115 remains stationary, the coordinate mechanism 105 drives the sensing mechanism 103 to move to the top surface of the piston 143, and the third controller 137 controls the range finder direction motor 113 to drive the laser range finder 111 to rotate until the laser plane is perpendicular to the top surface of the piston 143. The coordinate mechanism 105 is reset to zero, the third motor 129 drives the sensing mechanism 103 to step along the X axis, after the step of the third motor 129 is finished, the second motor 127 drives the sensing mechanism 103 to step along the Y axis, the third motor 129 drives the sensing mechanism 103 to step along the negative direction of the X axis, after the step is finished, the second motor 127 drives the sensing mechanism 103 to step along the Y axis, sequentially, the step area of the sensing mechanism 103 covers the top surface of the piston 143, the data processing controller 139 collects signals at each step of the stepping motor and converts distance data into coordinate data, and the piston 143 detects form and position defects such as the top surface excircle diameter and the combustion chamber diameter.
Specifically, referring to fig. 5, in the present embodiment, the method may specifically include:
the driving assembly 109 drives the piston 143 to rotate at a constant speed in the horizontal direction;
the coordinate mechanism 105 drives the sensing mechanism 103 to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system to reach a second station, so that the line laser range finder 111 moves to the position obliquely above the piston 143, and the laser surface irradiates the edge where the top surface of the piston 143 intersects with the cylindrical surface at an angle of 45 degrees;
the distance information is measured by the line laser rangefinder 111 and converted into coordinate information to detect the intersection angle of the top surface of the piston 143 with the cylindrical surface.
When the piston defect detection device 100 is at the second station, the clamp 119 clamps the piston 143, the first motor 115 keeps rotating, the coordinate mechanism 105 drives the sensing mechanism 103 to move to the obliquely upper side of the piston 143, the third controller 137 controls the range finder direction motor 113 to drive the laser range finder 111, so that a laser surface emitted by the line laser range finder 111 irradiates the intersection edge of the top surface and the cylindrical surface of the piston 143 at an angle of 45 degrees, and the data processing controller 139 calculates the intersection angle of the top surface and the cylindrical surface of the piston 143.
Specifically, referring to fig. 1, fig. 4 to fig. 6, in the present embodiment, the method may specifically include:
the driving assembly 109 drives the piston 143 to rotate at a constant speed in the horizontal direction;
the coordinate mechanism 105 drives the sensing mechanism 103 to move along an X axis, a Y axis or a Z axis in an XYZ three-dimensional coordinate system to reach a third station, so that the line laser distance meter 111 moves to the side surface of the piston 143, and the laser surface irradiates on the cylindrical surface of the piston 143, and forms a laser line on the cylindrical surface of the piston 143, wherein the laser line is parallel to a generatrix of the cylindrical surface of the piston 143;
the distance information is measured by the line laser rangefinder 111 and converted into coordinate information to detect the ring groove 141 and the coaxiality form and position information of the piston 143.
When the piston defect detection device 100 is at the third station, the clamp 119 clamps the piston 143, the first motor 115 keeps rotating, the coordinate mechanism 105 drives the sensing mechanism 103 to move to the side of the piston 143, the third controller 137 controls the range finder direction motor 113 to drive the laser range finder 111 to rotate so that the laser plane irradiates on the cylindrical surface of the piston 143, the laser line formed on the cylindrical surface of the piston 143 by the laser plane is parallel to the generatrix of the cylindrical surface of the piston 143, and the data processing controller 139 converts the distance signal of the line laser range finder 111 into shape and position signals of the width of the ring groove 141, the depth of the ring groove 141, the bottom runout and the coaxiality of the ring groove 141 of the piston 143.
In summary, the piston detection defect detection apparatus 100 provided by the embodiment of the invention can solve the problems of low detection precision, low detection speed and the like in the prior art, improve the detection efficiency of the piston 143, and ensure the safety.
The piston 143 detection defect detection method provided by the embodiment of the invention utilizes the piston detection defect detection device 100 to detect. Therefore, the method can solve the problems of low detection precision, low detection speed and the like in the prior art, improve the detection efficiency of the piston 143 and ensure the safety.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A piston defect detecting apparatus, comprising:
the piston driving device comprises a rotating mechanism and a driving mechanism, wherein the rotating mechanism comprises a rotating platform and a driving assembly, the rotating platform is used for mounting a piston, and the driving assembly is used for driving the piston to rotate and stand in the horizontal direction;
the sensing mechanism is arranged adjacent to the piston and comprises a line laser range finder and a range finder direction motor, the range finder direction motor is in transmission connection with the line laser range finder, and the range finder direction motor is configured to drive the line laser range finder to move so as to collect distance information of the piston at different positions;
the coordinate mechanism is connected with the sensing mechanism and is used for driving the sensing mechanism to move along an X axis, a Y axis and a Z axis in an XYZ three-dimensional coordinate system; the coordinate mechanism drives the sensing mechanism to move to the top surface of the piston, and the range finder direction motor drives the line laser range finder to rotate until a laser plane is perpendicular to the top surface of the piston; the coordinate mechanism drives the sensing mechanism to move to the position obliquely above the piston, and the range finder direction motor drives the line laser range finder to move so that the laser surface of the line laser range finder irradiates the edge of the top surface of the piston, which is intersected with the cylindrical surface, at an angle of 45 degrees; the coordinate mechanism drives the sensing mechanism to move to the side face of the piston, the range finder direction motor drives the line laser range finder to rotate so that a laser surface irradiates on the cylindrical surface of the piston, and the laser surface of the line laser range finder forms a laser line on the cylindrical surface of the piston and is parallel to a bus of the cylindrical surface of the piston;
the control mechanism is electrically connected with the rotating mechanism, the sensing mechanism and the coordinate mechanism, and is configured to control the coordinate mechanism to drive the sensing mechanism to move along the X axis, the Y axis and the Z axis, and the distance information collected by the line laser distance meter after the movement is converted into coordinate information to detect the defects of the piston.
2. The piston defect detecting apparatus according to claim 1, wherein:
the drive assembly comprises a first motor and a rotating shaft, the first motor is in transmission connection with the rotating shaft, and the first motor is used for driving the rotating shaft to rotate so as to drive the piston to rotate by taking the rotating shaft as a central shaft in the horizontal direction.
3. The piston defect detecting apparatus according to claim 2, wherein:
the driving assembly further comprises a clamp, a first end of the rotating shaft is in transmission connection with the first motor, a second end of the rotating shaft is fixedly connected with the clamp, and the clamp is used for mounting the piston;
the first motor is configured to drive the rotating shaft to rotate so as to drive the clamp to carry the piston to rotate in the horizontal direction by taking the rotating shaft as a central shaft.
4. The piston defect detecting apparatus according to claim 3, wherein:
the clamp is an internal expansion type clamp.
5. The piston defect detecting apparatus according to claim 2, wherein:
the coordinate mechanism comprises a first mechanism body, a second mechanism body and a third mechanism body which are respectively arranged along the X axis, the Y axis and the Z axis of the XYZ three-dimensional coordinate system in an extending manner, the first mechanism body and the second mechanism body are on a horizontal plane, the third mechanism body is vertical to the horizontal plane, a first end of the first mechanism body is vertical to the second mechanism body, a second end of the first mechanism body is vertical to the third mechanism body, and the third mechanism body is fixedly connected with the sensing mechanism;
the coordinate mechanism further comprises a second motor, a third motor and a fourth motor, the second motor is in transmission connection with the second mechanism body and used for driving the second mechanism body to move along the Y axis, the third motor is in transmission connection with the first mechanism body and used for driving the first mechanism body to move along the X axis, and the fourth motor is in transmission connection with the third mechanism body and used for driving the third mechanism body to move along the Z axis.
6. The piston defect detecting apparatus according to claim 5, wherein:
the first mechanism body, the second mechanism body and the third mechanism body are all lead screws.
7. The piston defect detecting apparatus according to claim 5, wherein:
the control mechanism comprises a first controller, a second controller, a third controller and a data processing controller, the first controller is used for controlling the first motor, the second controller is used for controlling the second motor, the third motor and the fourth motor, the third controller is used for controlling the direction motor of the range finder, and the data processing controller is used for converting distance information collected by the line laser range finder after moving into coordinate information so as to detect the defects of the piston.
8. A piston defect detection method is characterized in that:
the piston defect detection method is used for detection by using the piston defect detection device of any one of claims 1 to 7.
9. The piston defect detecting method according to claim 8, comprising:
the control mechanism is used for controlling a driving assembly of the rotating mechanism to drive the piston to be static and rotate;
controlling a coordinate mechanism with the control mechanism to drive the sensing mechanism to move along the X-axis, Y-axis, and Z-axis in the XYZ three-dimensional coordinate system to reach a plurality of stations;
and the control mechanism is used for controlling the range finder direction motor of the sensing mechanism to drive the linear laser range finder to detect the distance information of the piston on a plurality of stations, and the distance information is converted into coordinate information according to the distance information collected by the linear laser range finder to detect the defect of the piston.
10. The piston defect detection method according to claim 9, specifically comprising:
the drive assembly is stationary such that the piston is stationary relative to the rotating platform;
the coordinate mechanism drives the sensing mechanism to move along the X axis, the Y axis and the Z axis in the XYZ three-dimensional coordinate system to reach a first station, so that the line laser distance meter moves to a position where a laser plane is perpendicular to the top surface of the piston;
the coordinate mechanism continuously drives the sensing mechanism to move on the top surface of the piston, the moved distance information is measured through the line laser distance meter, and the distance information is converted into coordinate information to detect the top surface form and position defects of the piston;
and the number of the first and second groups,
the driving assembly drives the piston to rotate at a constant speed in the horizontal direction;
the coordinate mechanism drives the sensing mechanism to move along the X axis, the Y axis and the Z axis in the XYZ three-dimensional coordinate system to reach a second station, so that the line laser distance measuring instrument moves to the position obliquely above the piston, and the laser surface irradiates the edge, where the top surface of the piston intersects with the cylindrical surface, at an angle of 45 degrees;
measuring distance information through the line laser distance measuring instrument, and converting the distance information into coordinate information to detect an intersection angle of the top surface of the piston and the cylindrical surface;
and the number of the first and second groups,
the driving assembly drives the piston to rotate at a constant speed in the horizontal direction;
the coordinate mechanism drives the sensing mechanism to move along the X axis, the Y axis and the Z axis in the XYZ three-dimensional coordinate system to reach a third station, so that the line laser range finder moves to the side face of the piston, a laser surface irradiates on the cylindrical surface of the piston, and the laser surface forms a laser line on the cylindrical surface of the piston to be parallel to a generatrix of the cylindrical surface of the piston;
and measuring distance information through the line laser range finder, and converting the distance information into coordinate information to detect the ring groove and coaxiality form and position information of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226680.1A CN109827903B (en) | 2019-03-22 | 2019-03-22 | Piston detection defect detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226680.1A CN109827903B (en) | 2019-03-22 | 2019-03-22 | Piston detection defect detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109827903A CN109827903A (en) | 2019-05-31 |
| CN109827903B true CN109827903B (en) | 2021-10-22 |
Family
ID=66871981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910226680.1A Active CN109827903B (en) | 2019-03-22 | 2019-03-22 | Piston detection defect detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827903B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567973B (en) * | 2019-09-27 | 2022-07-05 | 济南大学 | Piston detection platform and method based on image acquisition |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173765Y (en) * | 2008-03-29 | 2008-12-31 | 安徽华祥实业有限公司 | Piston line cam lift integrated inspection device |
| CN105333819A (en) * | 2014-08-15 | 2016-02-17 | 苏州北硕检测技术有限公司 | Robot workpiece assembly and form and location tolerance detection system and method based on face laser sensor |
| CN105571511A (en) * | 2015-12-10 | 2016-05-11 | 上海船舶工艺研究所 | On-line detection method of moulding precision of ship outside plate |
| CN205482802U (en) * | 2016-04-14 | 2016-08-17 | 重庆平山泰凯化油器有限公司 | Vacuum piston detection device |
| CN108007365A (en) * | 2017-11-21 | 2018-05-08 | 大族激光科技产业集团股份有限公司 | Three-dimension measuring system and application method |
| CN207557140U (en) * | 2017-09-02 | 2018-06-29 | 重庆友好活塞有限公司 | Piston face defect detecting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197856B (en) * | 2014-08-25 | 2017-12-01 | 华侨大学 | A kind of surface profile measurement workbench in place |
| CN205066711U (en) * | 2015-09-02 | 2016-03-02 | 盛旺汽车零部件（昆山）有限公司 | Wheel hub die mould scanning system of measurationing |
-
2019
- 2019-03-22 CN CN201910226680.1A patent/CN109827903B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173765Y (en) * | 2008-03-29 | 2008-12-31 | 安徽华祥实业有限公司 | Piston line cam lift integrated inspection device |
| CN105333819A (en) * | 2014-08-15 | 2016-02-17 | 苏州北硕检测技术有限公司 | Robot workpiece assembly and form and location tolerance detection system and method based on face laser sensor |
| CN105571511A (en) * | 2015-12-10 | 2016-05-11 | 上海船舶工艺研究所 | On-line detection method of moulding precision of ship outside plate |
| CN205482802U (en) * | 2016-04-14 | 2016-08-17 | 重庆平山泰凯化油器有限公司 | Vacuum piston detection device |
| CN207557140U (en) * | 2017-09-02 | 2018-06-29 | 重庆友好活塞有限公司 | Piston face defect detecting device |
| CN108007365A (en) * | 2017-11-21 | 2018-05-08 | 大族激光科技产业集团股份有限公司 | Three-dimension measuring system and application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109827903A (en) | 2019-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1783454B1 (en) | Form measuring instrument | |
| CN202869440U (en) | Five-shaft system solid of revolution measuring instrument | |
| CN109596073A (en) | A kind of origin position scaling method of the revolving platform central axis of view-based access control model measurement | |
| CN109458958A (en) | A kind of scaling method of turntable center position in four axis vision measurement device | |
| CN111023981B (en) | Large cylindrical workpiece parameter measuring device and method | |
| CN103234474A (en) | On-line automobile aluminium alloy hub blank deformation measurement method and measurement device | |
| CN109341601A (en) | A kind of Space locality establishment method of revolving platform central axis in vision measurement device | |
| CN108554845A (en) | A kind of device of on-line checking wheel hub blank deformation | |
| CN108007353B (en) | Rotary laser profile measuring method, storage device and measuring device thereof | |
| US11754387B2 (en) | Noncontact sensor calibration using single axis movement | |
| CN108686982A (en) | A kind of detection device and detection method of wheel hub blank outer margin deformation amount | |
| CN110645911A (en) | Device and method for obtaining complete outer surface 3D contour through rotary scanning | |
| CN109520420A (en) | A kind of space coordinate at rotation of rotary table center determines method | |
| CN208555093U (en) | A kind of detection device of wheel hub blank outer margin deformation amount | |
| CN107202553B (en) | Full view scanning measurement system and its target measurement method | |
| CN109827903B (en) | Piston detection defect detection device and method | |
| CN113927369B (en) | Comprehensive on-machine measuring device and method for rotary error motion of machine tool spindle | |
| CN115493523A (en) | High-speed measurement method and device for three-dimensional morphology of wafer surface | |
| CN209432070U (en) | A kind of Endoporus measuring device | |
| CN208795185U (en) | 3-D measuring apparatus | |
| CN210719022U (en) | Full-size measuring equipment for watch case | |
| CN117260389A (en) | Multi-sensor fusion-driven large-scale deep hole part shape error in-situ measurement system | |
| CN210400319U (en) | Device for obtaining complete outer surface 3D contour by rotary scanning | |
| CN114018174B (en) | Complex curved surface contour measuring system | |
| CN113959375B (en) | Image acquisition method of tower flange flatness detection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |