CN111023964B - Online detection device for surface profile and surface quality - Google Patents
Online detection device for surface profile and surface quality Download PDFInfo
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- CN111023964B CN111023964B CN201911260329.0A CN201911260329A CN111023964B CN 111023964 B CN111023964 B CN 111023964B CN 201911260329 A CN201911260329 A CN 201911260329A CN 111023964 B CN111023964 B CN 111023964B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
Abstract
The invention relates to an on-line detection device for surface profile and surface quality, which comprises a shell, wherein the shell is provided with a sliding groove and a fixed groove, a connecting assembly is arranged in the sliding groove, the connecting assembly is connected with a clamping telescopic piece, the clamping telescopic piece is clamped with a displacement sensor or a magnetic device, a bottom plate is fixed on the fixed groove, a notch is arranged on the bottom plate, a bearing seat is arranged in the notch, a straight shaft is arranged on the bearing seat, a detection rod is arranged on the straight shaft, one end of the detection rod is provided with a roller, the other end of the detection rod is provided with a tower spring, the bottom of the tower spring is fixed on the bottom plate, the top of the tower spring is fixed on the detection rod, the profile of a detection product is rolled out through the roller, and the displacement sensor detects the change value of the roller. The surface contour and the surface quality of the detection product can be obtained.
Description
Technical Field
The invention relates to the technical field of detection, in particular to an online detection device for surface profile and surface quality, which is suitable for measuring the surface profile and the surface quality of a transparent article in a high-temperature environment.
Background
There are many forms of profile inspection in the prior art, measuring the surface profile and surface quality of a product, and there are some well-established methods, which roughly classify the profile and surface quality inspection methods into two broad categories, contact and non-contact. Generally, a laser displacement sensor is mostly adopted for non-contact profile measurement, and although the laser displacement sensor can realize on-line measurement, the laser displacement sensor is not suitable for measuring a transparent object by using the laser displacement sensor. In addition, optical equipment is also commonly adopted to combine an imaging system to measure the surface profile and the surface quality at present, although the high detection precision can be achieved, the detection cost is high, the detection speed is low, the quick response of a production line cannot be realized, and the influence of external environment interference on the measurement precision is large. Although the contact measurement is simple in operation, easy to control and low in cost, it is difficult to obtain the surface profile and the surface quality information of the object at the same time. When the surface of the product comes into contact with the surface of an object, the product cannot slide on the surface of the product at a high speed due to a large frictional resistance, and therefore, the product is not suitable for use in a high-speed production line. On the other hand, since the frictional resistance greatly affects the measurement value, the detection accuracy is not high. Therefore, there is a need to design a better detection device to solve the above problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the on-line detection device for the surface profile and the surface quality, which can obtain the surface profile and the surface quality of a detection product and is suitable for measuring various angles.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a be used for surperficial profile and surface quality on-line measuring device, which comprises a housin, the casing is equipped with sliding tray and fixed slot, coupling assembling is equipped with in the sliding tray, coupling assembling connects in pressing from both sides tight extensible member, it has displacement sensor or magnetometer to press from both sides tight extensible member centre gripping, the fixed slot is fixed with the bottom plate, be equipped with the notch on the bottom plate, install the bearing frame in the notch, install the straight axle on the bearing frame, be equipped with the test bar on the straight axle, the one end of test bar is equipped with the gyro wheel, and the other end is equipped with the tower spring, the bottom of tower spring is fixed in the bottom plate, the top is fixed in the test bar, through the gyro wheel rolls out the profile of detection article, displacement sensor detects the change value of gyro wheel, the magnetic force ware then controls the test bar.
Further, the top of casing is equipped with the sliding tray, install two fixed plates in the sliding tray, every the fixed plate articulates in the one end of connecting plate, the other end of connecting plate articulates in the mounting panel, the mounting panel is installed in a crossbeam, through adjusting the mounting panel is in the position on the crossbeam is in order to adjust the angle and the position of casing.
Further, the crossbeam is installed in two stands through the right angle support, the right angle support is fixed in on the slip spiral shell piece of stand, the slip spiral shell piece is in the inslot of stand vertically slides to adjust the height of crossbeam.
And furthermore, two infrared sensor assemblies are respectively arranged on the stand columns and are located below the shell and are arranged oppositely, and the work time of the magnetic device is controlled by the infrared sensor assemblies.
Further, coupling assembling includes the fixing base, articulate the extension board on the fixing base, and install in the pivot of extension board end, press from both sides tight extensible member and be fixed in the pivot, through adjusting coupling assembling to adjust displacement sensor or magnetic device's angle and position.
Further, the surface of displacement sensor or magnetic device wraps up there is the rubber protective sheath, press from both sides tight extensible member centre gripping in the rubber protective sheath.
Furthermore, the bottom plate and the detection rod are provided with tower spring holes for placing the tower springs, one side of each tower spring hole is provided with a spring pressing plate, and two ends of each tower spring are fixed on the bottom plate and the detection rod respectively through the spring pressing plates.
Further, the bottom plate is arranged in a U shape, and the detection rod is positioned in the middle of the U shape.
Furthermore, the shell is a trapezoid body with a hollow interior and no bottom, wherein the top surface of the trapezoid body is provided with one sliding groove, two opposite side surfaces are respectively provided with two sliding grooves, and the other two opposite side surfaces are respectively provided with two fixing grooves.
Furthermore, two of the sliding grooves on the same side are respectively provided with the connecting component, and the displacement sensor or the magnetic device is arranged between the two connecting components.
The invention has the beneficial effects that:
the invention converts the surface profile information obtained by rolling the roller at the front end of the detection rod into the displacement information obtained by the displacement sensor, can obtain the surface profile and the surface quality of a detected product, controls the pressing force of the detection rod by using a magnetic device, and can adjust the detection position in multiple directions by using the connecting component and the clamping telescopic piece so as to adapt to the measurement and detection of various angles.
Drawings
FIG. 1 is a schematic perspective view of an apparatus for on-line measurement of surface profile and surface quality according to the present invention;
FIG. 2 is a schematic structural diagram of a housing used in the online surface profile and surface quality inspection device according to the present invention;
FIG. 3 is a schematic view showing the installation of the bottom plate, the detection rod and the tower spring in the online detection device for surface profile and surface quality according to the present invention;
FIG. 4 is a top view of a base plate for use in an on-line surface profile and surface quality inspection apparatus according to the present invention;
FIG. 5 is a schematic view of a detection rod used in the surface profile and surface quality on-line detection apparatus according to the present invention;
FIG. 6 is a schematic view of the mounting structure of the displacement sensor used in the surface profile and surface quality on-line measuring device according to the present invention;
FIG. 7 is a schematic view of the displacement sensor, the magnetic actuator and the connecting assembly of the present invention on a housing;
in the figure, 1-upright column, 2-cross beam, 3-right angle bracket, 4-base, 5-infrared sensor component, 6-shell, 7-sliding groove, 8-fixing groove, 9-fixing plate, 10-connecting plate, 11-mounting plate, 12-connecting component, 13-fixing seat, 14-extending plate, 15-rotating shaft, 16-clamping telescopic piece, 17-displacement sensor, 18-magnetic force device, 19-rubber protective sleeve, 20-bottom plate, 21-notch, 22-bearing seat, 23-straight shaft, 24-detection rod, 25-roller, 26-tower spring, 27-tower spring hole, 28-spring pressing plate, 29-threaded hole, 30-through hole and 31-set screw.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1, the present invention provides an online surface profile and surface quality detection device, which is installed on a vertical column 1, in this embodiment, two vertical columns 1 are aluminum profiles, a groove is formed in a side surface of the vertical column 1 for placing a sliding screw block, a cross beam 2 is connected between the two vertical columns 1, the cross beam 2 is installed on the two vertical columns 1 through a right-angle bracket 3, the right-angle bracket 3 is fixed on the sliding screw block, and the sliding screw block vertically slides in the groove of the vertical column 1 to adjust the height of the cross beam 2. The bottom of stand 1 is equipped with base 4, and base 4 passes through the bolt fastening in stand 1 optional position, consequently can adjust the measurement height. The detection device of the invention can be fixed on the position required by measurement through the base 4.
As shown in fig. 1, two mounting plates 11 are mounted at the bottom of the beam 2, each mounting plate 11 is connected with a connecting plate 10, one end of each connecting plate 10 is hinged to the corresponding mounting plate 11, the other end of each connecting plate is hinged to the corresponding fixing plate 9, the bottom of each fixing plate 9 is connected to the corresponding shell 6, and the positions of the mounting plates 11 on the beam 2 are adjusted to adjust the position of the corresponding shell 6 and determine the detection position.
Referring to fig. 1, 2 and 7, the housing 6 is made of metal, the housing 6 is provided with a sliding groove 7 and a fixing groove 8, the sliding groove 7 is internally provided with a connecting assembly 12, the connecting assembly 12 is connected to a clamping telescopic member 16, and the clamping telescopic member 16 is clamped with a displacement sensor 17 or a magnetic device 18. In this embodiment, the housing 6 is a trapezoid body with an empty interior and no bottom, wherein the top surface of the trapezoid body is provided with a sliding slot 7, two opposite side surfaces are respectively provided with two sliding slots 7, an area between the two sliding slots 7 is U-shaped and empty, and the other two opposite side surfaces are respectively provided with two fixing slots 8. Wherein, two fixing plates 9 are arranged in the sliding groove 7 on the top surface of the trapezoid body, and the measuring angle of the shell 6 is adjusted by adjusting the positions of the two fixing plates 9.
As shown in fig. 6, the coupling assembly 12 includes a fixing base 13 mounted to the sliding groove 7, an extension plate 14 hinged to the fixing base 13, and a rotation shaft 15 mounted to a distal end of the extension plate 14, and a clamping expansion member 16 fixed to the rotation shaft 15 to adjust an angle and a position of a displacement sensor 17 or a magnetic device 18 by adjusting the coupling assembly 12. Preferably, the two sliding grooves 7 on the same side are respectively provided with the connecting components 12, and the rotating shaft 15 is fixed at the ends of the extension plates 14 of the two connecting components 12 and fixed on the extension plates 14 through the set screws 31, so that the displacement sensor 17 or the magnetic device 18 is installed between the two connecting components 12. Fixing base 13 is installed in sliding tray 7, can adjust mounted position in sliding tray 7, and extension plate 14 articulates in fixing base 13, can rotate relative to fixing base 13 to adjust the angle that presss from both sides tight extensible member 16, through the regulation of position and angle, make displacement sensor 17 or magnetic force ware 18 can carry out 360 angle modulation, adapt to the measurement of multiple angle.
The surface of the displacement sensor 17 or the magnetic device 18 is wrapped by a rubber protective sleeve 19, and the clamping telescopic piece 16 is clamped on the rubber protective sleeve 19, so that the surfaces of the displacement sensor 17 and the magnetic device 18 can be protected.
As shown in fig. 3 to 5, the bottom plate 20 is fixed to the fixing grooves 8, in the present embodiment, the fixing grooves 8 are provided at four corners of the bottom of the two side surfaces of the housing 6, the screw holes 29 corresponding to the fixing grooves 8 are provided on the side surfaces of the bottom plate 20, and the bottom plate 20 is fixed to the housing 6 by bolts. The bottom plate 20 is the U-shaped setting, and the both sides position of U-shaped is equipped with notch 21, installs bearing frame 22 in the notch 21, through the position of adjusting bearing frame 22 in notch 21 to confirm the detection position. In this embodiment, the bearing housing 22 is a vertical housing standard with bearings. The bearing seat 22 is provided with the straight shaft 23, the straight shaft 23 is fixed with the detection rod 24, the middle part of the detection rod 24 is provided with the through hole 30, the straight shaft 23 penetrates through the through hole 30 to be installed on the bearing seat 22, the straight shaft 23 is in clearance fit with the through hole 30, the position of the detection rod 24 on the straight shaft 23 can be adjusted, and after the position is determined, the detection rod 24 is locked on the straight shaft 23 through a screw. The detecting rod 24 is located in the middle of the U-shaped portion of the bottom plate 20, and a space for abdicating is provided through the U-shaped portion, so that the detecting rod 24 can perform detection in the space. One end of the detection rod 24 is provided with a roller 25, the other end is provided with a tower spring 26, the tower spring 26 is a standard component, the bottom of the tower spring 26 is fixed on the bottom plate 20, the top of the tower spring is fixed on the detection rod 24, the outline of the detected product is rolled out through the roller 25, the displacement sensor 17 detects the change value of the roller 25, and the magnetic device 18 controls the detection rod 24. In the embodiment, the roller 25 is a special high-precision low-friction rubber roller, the surface is wear-resistant, the friction coefficient is small, and the detection range of different products is changed by installing the rollers 25 with different sizes. The bottom plate 20 and the detection rod 24 are provided with tower spring holes 27 for placing the tower springs 26, one side of each tower spring hole 27 is provided with a spring pressing plate 28, and two ends of each tower spring 26 are respectively fixed on the bottom plate 20 and the detection rod 24 through the spring pressing plates 28. The spring pressing plate 28 is groove-shaped, holes are formed in two ends of the spring pressing plate, and after the tower spring 26 is placed in the tower spring hole 27, the two ends of the tower spring pressing plate 28 are fixed in the holes through bolts, so that fixing can be achieved. The surface of the detection rod 24 is provided with a plurality of milled groove surfaces, so that the weight of the detection rod 24 can be reduced.
As shown in fig. 1, two infrared sensor assemblies 5 are respectively arranged on two columns 1, the two infrared sensor assemblies 5 are located below the housing 6 and are oppositely arranged, and the working time of the magnetic device 18 is controlled by the infrared sensor assemblies 5. The infrared sensor assembly 5 is a correlation photoelectric switch, one end of which is used for transmitting and the other end of which is used for receiving, and is used for detecting the conveyed product and controlling the suction time of the magnetic device 18. The magnetic force device 18 is a probe capable of controlling magnetic force, the size of suction force is controlled by controlling the size of current flowing through a coil inside, the displacement sensor 17 is a high-precision eddy current position sensor and is used for detecting the displacement change of the rolling of the roller 25, surface profile information obtained by the rolling of the roller 25 at the front end of the detection rod 24 is converted into displacement information obtained by the displacement sensor 17, and the surface profile of a detected product and the surface quality of the detected product can be obtained.
When in use, the detection rod 24, the displacement sensor 17 and the magnetic device 18 are firstly installed on the shell 6, then the shell 6 is installed on the cross beam 2, the detection position is determined by adjusting the position of the fixing plate 9 or/and the installing plate 11, after the detection position is determined, the connecting assembly 12 and the clamping telescopic piece 16 are adjusted so as to determine the positions of the displacement sensor 17 and the magnetic device 18, the outline of a detected product on a production line is rolled out through the roller 25 on the detection rod 24, the initial position of the detected product is reset through the tower spring 26, the displacement sensor 17 is mainly used for detecting the displacement change value of the roller 25, the magnetic device 18 intelligently controls the detection rod 24, the infrared sensor assembly 5 is used for controlling the working time of the magnetic device 18, and finally the generated data is transmitted to a program in a computer through a data acquisition card so as to acquire and process the displacement value, finally, the contour information passed by the roller 25 is obtained, so that the surface contour and the surface quality of the detection product can be obtained.
The invention is mainly used for online detection of the surface contour and the surface quality of the important part of a detection product on a production line, and solves the problems of the prior art that a laser displacement sensor is used for detecting a transparent detection product in non-contact measurement, and the detection speed is low, the manufacturing cost is high and the like in optical equipment measurement. The problem that the friction resistance between a detection device and a detection bottle is large in contact measurement is solved, the contact measurement accuracy is not high, and the simultaneous measurement of the surface profile and the surface quality of the surface profile is not easy to realize. Compared with the prior art, the invention has the following beneficial effects:
(1) a roller 25 is arranged at the front end of the detection rod 24, and the surface profile information obtained by rolling the roller 25 is converted into the displacement information obtained by the displacement sensor 17, so that the surface profile and the surface quality of a detected product can be obtained;
(2) the magnitude of the pressing force of the detection rod 24 is controlled by controlling the magnitude of the current flowing through the coil in the magnetic device 18;
(3) the connecting assembly 12, the clamping telescopic piece 16, the bearing seat 22 and other structures can be adjusted in position, so that the detection position can be adjusted in multiple directions to adapt to measurement detection of multiple angles.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An on-line surface profile and surface quality inspection apparatus, comprising: the casing, the casing is equipped with sliding tray and fixed slot, coupling assembling is equipped with in the sliding tray, coupling assembling connects in pressing from both sides tight extensible member, it has displacement sensor and magnetic device to press from both sides tight extensible member centre gripping, the fixed slot is fixed with the bottom plate, be equipped with the notch on the bottom plate, install the bearing frame in the notch, install the straight axle on the bearing frame, be equipped with the test bar on the straight axle, the gyro wheel is equipped with to the one end of test bar, and the other end is equipped with the tower spring, the bottom of tower spring is fixed in the bottom plate, the top is fixed in the test bar, through the gyro wheel rolls out the profile of detection article, displacement sensor detects the change value of gyro wheel, the magnetic device then controls the size of test bar packing force.
2. The apparatus for on-line inspection of surface profile and surface quality as set forth in claim 1, wherein: the top of casing is equipped with the sliding tray, install two fixed plates in the sliding tray, every the fixed plate articulates in the one end of connecting plate, the other end of connecting plate articulates in the mounting panel, the mounting panel is installed in a crossbeam, through adjusting the mounting panel is in the position on the crossbeam is in order to adjust the angle and the position of casing.
3. The apparatus for on-line measurement of surface profile and surface quality as set forth in claim 2, wherein: the beam is arranged on the two upright posts through a right-angle support, the right-angle support is fixed on sliding screw blocks of the upright posts, and the sliding screw blocks vertically slide in grooves of the upright posts to adjust the height of the beam.
4. The apparatus for on-line inspection of surface profile and surface quality as set forth in claim 3, wherein: two be equipped with infrared sensor assembly on the stand respectively, two infrared sensor assembly is located the below of casing, and relative setting, through infrared sensor assembly control the operating time of magnetic device.
5. The apparatus for on-line inspection of surface profile and surface quality as set forth in claim 1, wherein: the connecting assembly comprises a fixed seat, an extension plate hinged on the fixed seat and a rotating shaft arranged at the tail end of the extension plate, the clamping telescopic piece is fixed on the rotating shaft, and the angle and the position of the displacement sensor or the magnetic device can be adjusted by adjusting the connecting assembly.
6. The apparatus for on-line inspection of surface profile and surface quality as set forth in claim 1, wherein: the surface of the displacement sensor or the magnetic device is wrapped with a rubber protective sleeve, and the clamping extensible member is clamped on the rubber protective sleeve.
7. The apparatus for on-line inspection of surface profile and surface quality as set forth in claim 1, wherein: the bottom plate and the detection rod are provided with tower spring holes for placing the tower springs, one side of each tower spring hole is provided with a spring pressing plate, and two ends of each tower spring are fixed on the bottom plate and the detection rod respectively through the spring pressing plates.
8. The apparatus for on-line inspection of surface profile and surface quality as set forth in claim 1, wherein: the bottom plate is arranged in a U shape, and the detection rod is positioned in the middle of the U shape.
9. The apparatus for on-line inspection of surface profile and surface quality as set forth in claim 1, wherein: the shell is a trapezoid body with a hollow interior and no bottom, wherein the top surface of the trapezoid body is provided with one sliding groove, two opposite side surfaces are respectively provided with two sliding grooves, and the other two opposite side surfaces are respectively provided with two fixing grooves.
10. The apparatus for on-line measurement of surface profile and surface quality as set forth in claim 9, wherein: the two sliding grooves on the same side are respectively provided with the connecting components, and the displacement sensor or the magnetic device is arranged between the two connecting components.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911260329.0A CN111023964B (en) | 2019-12-10 | 2019-12-10 | Online detection device for surface profile and surface quality |
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| CN201911260329.0A CN111023964B (en) | 2019-12-10 | 2019-12-10 | Online detection device for surface profile and surface quality |
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| CN111023964B true CN111023964B (en) | 2021-08-17 |
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| CN113091766A (en) * | 2021-04-14 | 2021-07-09 | 徐州徐工随车起重机有限公司 | Distance detection device for traffic cone collecting engineering vehicle |
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|---|---|---|---|---|
| US3237310A (en) * | 1960-01-11 | 1966-03-01 | Goodyear Tire & Rubber | Tire tread thickness gauging apparatus |
| FR2036238A6 (en) * | 1969-03-07 | 1970-12-24 | Commissariat Energie Atomique | |
| CN2067665U (en) * | 1990-04-10 | 1990-12-19 | 山西省太谷县申奉太华植物工艺美术加工厂 | Measurer for automobile load |
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Address after: 510000 13 building, 100 martyrs Road, Yuexiu District, Guangzhou, Guangdong. Patentee after: Institute of intelligent manufacturing, Guangdong Academy of Sciences Address before: 510070 13 building, 100 martyrs Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGDONG INSTITUTE OF INTELLIGENT MANUFACTURING |