CN201314900Y - Inspection machine of laser speckle of tire - Google Patents

Inspection machine of laser speckle of tire Download PDF

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Publication number
CN201314900Y
CN201314900Y CNU200820224804XU CN200820224804U CN201314900Y CN 201314900 Y CN201314900 Y CN 201314900Y CN U200820224804X U CNU200820224804X U CN U200820224804XU CN 200820224804 U CN200820224804 U CN 200820224804U CN 201314900 Y CN201314900 Y CN 201314900Y
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CN
China
Prior art keywords
laser
laser detection
tire
inspection machine
frame
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.)
Expired - Lifetime
Application number
CNU200820224804XU
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Chinese (zh)
Inventor
孟鹏
宁晓明
徐学磊
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Qingdao Mesnac Precise Processing Industry Co ltd
Mesnac Co Ltd
Qingdao Mesnac Electromechanical Engineering Co Ltd
Original Assignee
Qingdao Mesnac Electromechanical Engineering Co Ltd
Qingdao Mesnac Co Ltd
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Priority to CNU200820224804XU priority Critical patent/CN201314900Y/en
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Publication of CN201314900Y publication Critical patent/CN201314900Y/en
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  • Length Measuring Devices By Optical Means (AREA)

Abstract

The utility model relates to an inspection machine of laser speckles of a tire. A rotary drive part is added to a laser detection device to control a laser detection probe to rotate precisely around a locating shaft thereof in the axial direction, to regulate and to locate the laser detection probe. One inspection machine of laser speckles of a tire in one work station can photograph and scan the tire tread and the side wall of the tire in all directions. The inspection machine has the advantages of relatively simple structure, higher inspection efficiency, and suitability for tires of various specifications and dimensions. The inspection machine mainly comprises a frame, a support bracket, a lifting device, a rotating device, a horizontally reciprocating device and the laser detection device, wherein, the laser detection device comprises two installation racks symmetrically connected below a fixing plate of the horizontally reciprocating device; a laser detection probe is arranged at the end part of each installation rack; and each laser detection probe rotates in a range smaller than 90 degrees through the rotary drive part connected therewith along the locating shaft installed at the end part of the installation rack.

Description

Tyre laser speckle inspection machine
Technical field
The utility model relates to a kind of laser speckle inspection machine that is applied to the tire Non-Destructive Testing, controls the laser detection head in particular and rotates an angle to realize the photographing scanning to tire sidewall, belongs to the rubber manufacturing machinery field.
Background technology
In the manufacture process of automobile tyre,, can carry out a series of online test items usually for improving the quality of production to guarantee the request for utilization of its safe operation.As adopt laser speckle imaging inspection principle, by launching laser beam so that inner layer of tire is carried out Non-Destructive Testing to surface of tyre, feed back to the CCD camera by laser through the strong and weak heterologous signal that tire produced and carry out imaging, performance deficiencies such as bubble whether occur with the checking inside tires, and tire is identified classification according to assay.
Formerly applying for a patent of following content disclosed, patent No. ZL200720054397, name is called a kind of three-dimensional motion device that is used for the tire Non-Destructive Testing, it includes support, hoisting cross beam, jacking gear, whirligig, horizontal reciprocating moving device and detection head, described jacking gear is arranged on the support, described hoisting cross beam is fixedlyed connected with jacking gear, described whirligig is arranged on the hoisting cross beam, described horizontal reciprocating moving device is arranged under the whirligig, and detection head is connected with horizontal reciprocating moving device.
As above-mentioned scheme, do not relate to the rotation of control detection head or certain angle that tilts, to implement photographing scanning at the tire sidewall position.In fact, existing laser speckle verifying attachment includes 2 covers that are provided with respectively at 2 stations scanning imagery equipment independently separately, so the structure of complete machine pick-up unit is comparatively complicated, the design and use cost is all bigger.
And need to same tire in 2 stations are decided respectively, both prolong sense cycle, increased the complexity of precision during designing tyre is fixed simultaneously again.
In above-mentioned patent formerly, the location structure between jacking gear, whirligig and the horizontal reciprocating moving device is comparatively simple in addition, and whirligig integrally is arranged on the bottom of jacking gear.When being rotated, the detection head labile factor increases, and is easy to swing and skewness occur, thereby directly causes the scan image partial distortion and have influence on accuracy of detection.
The utility model content
Tyre laser speckle inspection machine described in the utility model is to address the above problem with defective and increases by a rotary driving part in laser detector, can axially accurately rotate and adjusts the location around its locating shaft with control laser detection head.
Purpose of design of the present utility model is, adopt a laser speckle inspection machine, on a station, realize tire tread and the omnibearing photographing scanning in sidewall, the equipment complete machine structure is simple relatively, checkability is higher, and can be applicable to the tire inspection of various models and specification.
Another purpose of design is to shorten round of visits effectively, the technology difficulty that reduction causes because of driving carry out surely repeatedly at a tires in.
Purpose of design also is, improves the structural arrangements of existing laser speckle inspection machine, increases the stability of laser detector in rotary course, to improve the precision that scan image is undistorted, guarantee tire inspection.
For realizing above-mentioned purpose of design, the primary structure of described tyre laser speckle inspection machine is:
Have frame, bracing frame, jacking gear, whirligig, horizontal reciprocating moving device and laser detector.Wherein, bracing frame is connected in a side of frame, and jacking gear is installed on the frame, and whirligig is installed on the hoisting cross beam of jacking gear, and horizontal reciprocating moving device is installed on the lower end of the pivoted housing of whirligig.
The difference with the prior art part is that described laser detector includes 2 erecting frames that are connected the fixed head below of horizontal reciprocating moving device symmetrically, and a laser detection head is set in the end of each erecting frame.
Each laser detection head is by a connected rotary driving part, rotates in less than 90 ° scope at one along the locating shaft that is installed on the erecting frame end.
Aforesaid basic scheme feature when the laser detection head does not rotate, drives laser detector by whirligig and is rotated, and the laser detection head is that the tyre surface to tire carries out photographing scanning; When the laser detection head along its locating shaft axially one of rotation less than 90 ° angle and location after, drive laser detector by whirligig and be rotated, then the laser detection head carries out the sidewall that the position of photographing scanning is a tire.
Be rotation angle range and the accurate station-keeping ability of further realizing control laser detection head, can take following improvement project:
The rotary driving part of described laser detector, include the drive stepping motor that is installed on the erecting frame, the sheathed driving gear of the output shaft of drive stepping motor, driving gear connects a driven pulley by synchronous band, expansion tightening wheel successively, and driven pulley is set on the locating shaft.
Employing can accurately be controlled the anglec of rotation of laser detection head by the drive stepping motor of PLC driver control, and then regulates the angular field of view that it observes tire sidewall, realizes comprehensive check.
For improving the stability of laser detector integral body in rotary course, avoid causing rocking of laser detection head, described whirligig includes a pair of fixed head that is fixed on the hoisting cross beam upper and lower sides, be fixed with rotating shaft in the fixed head lower end, pivoted housing is socketed in the outside of rotating shaft by internal bearings, be socketed with driven commentaries on classics belt wheel in the pivoted housing outside, driven commentaries on classics belt wheel is connected in to be set in by synchronous band, expansion tightening wheel successively initiatively changes belt wheel on the drive stepping motor output shaft.
In sum, the advantage of the utility model tyre laser speckle inspection machine is:
1, can on a checking machine and station, realize the comprehensive photographing scanning on tyre surface and sidewall respectively, use flexibly, checkability is higher and be applicable to the tire of various models and specification.
2, a laser detection controllability is strong, helps improving its anglec of rotation and the pinpoint ability of regulating.
3, shorten round of visits effectively, reduce the fixed middle complex process degree that drives.
4, laser detector good stability in rotary course, scan image is undistorted, testing accuracy is higher.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described further,
Fig. 1 is the structural representation of described tyre laser speckle inspection machine;
Fig. 2 is that A-A among Fig. 1 is to diagrammatic cross-section;
Fig. 3 is bowing to synoptic diagram of Fig. 1;
Fig. 4 is the cross-sectional view of described laser detector;
Have frame 1, bracing frame 2 as shown in Figures 1 to 4;
Hoisting cross beam 30, lifting motor 31, driving pulley 32, lifting shaft 33, lifting are with 34 synchronously, driven pulley 35;
Pivoted housing 40, fixed head 41, rotating shaft 42, bearing 43, driven commentaries on classics belt wheel 44 is with 45 synchronously, expansion tightening wheel 46, drive stepping motor 47 is initiatively changeed belt wheel 48;
Fixed head 50 moves horizontally motor 51, translation belt wheel 52, and expansion tightening wheel 53 is with 54 synchronously, movable plate 55, slide block 56;
Erecting frame 60, laser detection 61, locating shaft 62, drive stepping motor 63, driving gear 64 is with 65 synchronously, expansion tightening wheel 66, driven pulley 67.
Embodiment
Embodiment 1, and as shown in Figures 1 to 4, described tyre laser speckle inspection machine mainly has frame 1, bracing frame 2, jacking gear, whirligig, horizontal reciprocating moving device and laser detector.Wherein, bracing frame 2 is connected in a side of frame 1, and bracing frame 2 is from a side supplemental support frame 1, helps improving at the reinforcing of laser detector in rotary course and stable, to avoid rocking of laser detection head.
Described jacking gear is set to 2 groups, is installed in respectively on the frame 1, and whirligig is installed on the hoisting cross beam 30 of jacking gear.Each group jacking gear includes also that lifting motor 31, driving pulley 32, lifting shaft 33, lifting are with 34 synchronously, driven pulley 35.
Lifting motor 31 is connected with lifting shaft 33, and lifting shaft 33 is connected with driving pulley 32, and driving pulley 32, driven pulley 35 are with 34 to be connected with lifting synchronously, and 30 of hoisting cross beams are fixedly set in lifting and are with 34 synchronously.When lifting motor 31 rotations, drive driving pulley 32 and be with 34 to move up and down synchronously by lifting shaft 33, be fixed on lifting and do to rise or descend with the hoisting cross beam 30 on 34 synchronously and move thereby drive, thereby to reach the purpose that promotes or reduce whirligig, horizontal reciprocating moving device and laser detector.
Described whirligig includes, be fixed on a pair of fixed head 41 of hoisting cross beam 30 upper and lower sides, be fixed with rotating shaft 42 in fixed head 41 lower ends, pivoted housing 40 is socketed in the outside of rotating shaft 42 by internal bearings 43, be socketed with driven commentaries on classics belt wheel 44 in pivoted housing 40 outsides, driven commentaries on classics belt wheel 44 successively by synchronously with 45, expansion tightening wheel 46 is connected in to be set in initiatively changes belt wheel 48 on drive stepping motor 47 output shafts.
Stepper motor 47 drives successively initiatively changes belt wheel 48, be with 45 synchronously, expansion tightening wheel 46 and driven commentaries on classics belt wheel 44 and drive pivoted housing 40 rotations, and the horizontal reciprocating moving device and the laser detector that can drive its below when pivoted housing 40 rotations rotate together.
Described horizontal reciprocating moving device, include the fixed head 50 that is installed in the whirligig below, fixed head 50 is provided with and moves horizontally motor 51, move horizontally motor 51 by translation belt wheel 52, expansion tightening wheel 53 be with 54 to be connected in movable plate 55 synchronously, movable plate 55 is connected with a joggle in the line slideway of fixed head 50 lower ends by slide block 56.
Under the driving that moves horizontally motor 51, horizontal reciprocating moving device can drive the laser detector along continuous straight runs displacement of its below, thereby control laser detection 61 is positioned to detect station.
Described laser detector includes 2 erecting frames 60 that are connected fixed head 50 belows symmetrically, and a laser detection 61 is set in the end of each erecting frame 60.
Each laser detection 61 is by a connected rotary driving part, thereby realizes rotating in less than 90 ° scope at one along its locating shaft 62.
The rotary driving part of described laser detector, include the drive stepping motor 63 that is installed on the erecting frame 60, the sheathed driving gear 64 of the output shaft of drive stepping motor 63, driving gear 64 successively by be with 65 synchronously, expansion tightening wheel 66 connects a driven pulley 67, driven pulley 67 is set on the locating shaft 62.
Also can realize the following tyre laser speckle method of inspection based on the present embodiment scheme, drive and control laser detection 61 location by operation jacking gear and horizontal reciprocating moving device, when whirligig drives the laser detector rotation, laser detection 61 along surface of tyre emission laser beam to carry out photographing scanning.
Wherein at the photographing scanning at tire sidewall position, be that laser detection 61 is positioned the outside tires top.
Before the emission laser beam, the rotary driving part of control laser detector rotates to an angle less than 90 ° and also locatees, laser beam is launched and is scanned up to the position, sidewall of tire with laser detection 61 axial direction along its locating shaft 62.
According to the concrete numerical value of model, specification and the physical dimension of check tire, the anglec of rotation of laser detection 61 can be regulated in less than 90 ° scope, to adjust laser detection 61 a angular field of view with respect to the sidewall.
Laser detection 61 is provided with 2, and in the process of laser beam photographing scanning, 2 laser detection 61 are rotated in 0 to 180 ° scope respectively, carry out photographing scanning side by side, respectively with the position, different sidewall at outer surface of tire.
Use same chaptrel tire laser speckle inspection machine, realize the photographing scanning at tire tread and sidewall successively, its operation steps is as follows:
The first step, detected tire by conveying belt be delivered to airtight, radiation-resistant test cabinet inner and fixed in;
In second step, with laser detector perpendicular positioning for the first time, with laser detector horizontal location for the first time, this moment, laser detection 61 was located in the outside tires top by horizontal reciprocating moving device by jacking gear;
In the 3rd step,, laser detection 61 axial direction along its locating shaft 62 are rotated to an angle less than 90 ° also locate by the rotary driving part of control laser detector;
The 4th step drove laser detector by whirligig and determines direction Rotate 180 ° by one, and 2 laser detection 61 are carried out photographing scanning along the sidewall of outer surface of tire respectively;
In the 5th step, after the been scanned of sidewall, laser detection 61 is reset to original state, and horizontal subsequently reciprocating moving device control laser detector along continuous straight runs is reset to original state;
In the 6th step, jacking gear control laser detector is perpendicular positioning for the second time, and horizontal reciprocating moving device control laser detector is horizontal location for the second time, and this moment, laser detection 61 was located in the inside tires center;
The 7th step drove laser detector by whirligig, and by the direction Rotate 180 opposite with the 4th step °, 2 laser detection 61 are carried out photographing scanning along the tyre surface of tire inner surface respectively;
In the 8th step, after the tyre surface been scanned, said apparatus all is reset to original state, and conveying belt transfers out test cabinet with tire.

Claims (3)

1, a kind of tyre laser speckle inspection machine, mainly has frame (1), bracing frame (2), jacking gear, whirligig, horizontal reciprocating moving device and laser detector, wherein bracing frame (2) is connected in a side of frame (1), jacking gear is installed on the frame (1), whirligig is installed on the hoisting cross beam (30) of jacking gear, horizontal reciprocating moving device is installed on the lower end of the pivoted housing (40) of whirligig, it is characterized in that: described laser detector, include 2 erecting frames (60) that are connected fixed head (50) below of horizontal reciprocating moving device symmetrically, a laser detection head (61) is set in the end of each erecting frame (60);
Each laser detection head (61) is by a connected rotary driving part, rotates in less than 90 ° scope at one along the locating shaft (62) that is installed on erecting frame (60) end.
2, tyre laser speckle inspection machine according to claim 1, it is characterized in that: the rotary driving part of described laser detector, include the drive stepping motor (63) that is installed on the erecting frame (60), the sheathed driving gear of the output shaft of drive stepping motor (63) (64), by being with (65), expansion tightening wheel (66) to connect a driven pulley (67) synchronously, driven pulley (67) is set on the locating shaft (62) driving gear (64) successively.
3, tyre laser speckle inspection machine according to claim 1 and 2, it is characterized in that: described whirligig, include a pair of fixed head (41) that is fixed on hoisting cross beam (30) upper and lower sides, be fixed with rotating shaft (42) in fixed head (41) lower end, pivoted housing (40) is socketed in the outside of rotating shaft (42) by internal bearings (43), be socketed with driven commentaries on classics belt wheel (44) in pivoted housing (40) outside, driven commentaries on classics belt wheel (44) initiatively changes belt wheel (48) by being with (45), expansion tightening wheel (46) to be connected in synchronously to be set on drive stepping motor (47) output shaft successively.
CNU200820224804XU 2008-11-26 2008-11-26 Inspection machine of laser speckle of tire Expired - Lifetime CN201314900Y (en)

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Application Number Priority Date Filing Date Title
CNU200820224804XU CN201314900Y (en) 2008-11-26 2008-11-26 Inspection machine of laser speckle of tire

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Application Number Priority Date Filing Date Title
CNU200820224804XU CN201314900Y (en) 2008-11-26 2008-11-26 Inspection machine of laser speckle of tire

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101738399A (en) * 2008-11-26 2010-06-16 青岛高校软控股份有限公司 Tyre laser speckle inspection machine and inspection method thereof
CN102313749A (en) * 2010-06-30 2012-01-11 软控股份有限公司 Laser speckle detection device and method for tire of engineering machine
CN104006273A (en) * 2014-04-29 2014-08-27 雄华机械(苏州)有限公司 Support for roller-shaped appearance inspection device
CN105014847A (en) * 2015-07-22 2015-11-04 双钱集团(江苏)轮胎有限公司 Automatic trimming system for tyre
CN105526884A (en) * 2016-01-29 2016-04-27 吉林大学 Automobile wheel rim shape rotation scanning reconstruction system based on active visual sense

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101738399A (en) * 2008-11-26 2010-06-16 青岛高校软控股份有限公司 Tyre laser speckle inspection machine and inspection method thereof
CN102313749A (en) * 2010-06-30 2012-01-11 软控股份有限公司 Laser speckle detection device and method for tire of engineering machine
CN102313749B (en) * 2010-06-30 2013-03-06 软控股份有限公司 Laser speckle detection device and method for tire of engineering machine
CN104006273A (en) * 2014-04-29 2014-08-27 雄华机械(苏州)有限公司 Support for roller-shaped appearance inspection device
CN105014847A (en) * 2015-07-22 2015-11-04 双钱集团(江苏)轮胎有限公司 Automatic trimming system for tyre
CN105014847B (en) * 2015-07-22 2017-07-18 双钱集团(江苏)轮胎有限公司 A kind of tire automatic trimming system
CN105526884A (en) * 2016-01-29 2016-04-27 吉林大学 Automobile wheel rim shape rotation scanning reconstruction system based on active visual sense

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C56 Change in the name or address of the patentee

Owner name: QINGDAO GAOXIAO SOFT CONTROL CO., LTD.

Free format text: NEW ADDRESS: NO.43, ZHENG STATE ROAD, SIFANG DISTRICT, QINGDAO CITY, SHANDONG PROVINCE, ZIP CODE:266042; PATENTEE:QINGDAO GAOXIAO SOFT CONTROL ELECTROMECHANICAL ENGINEERING CO., LTD., PATENTEE ADDRESS:HIGH-NEW PIONEERING GARDEN, NO.151, ZHUZHOU ROAD, LAOSHAN DISTRICT, QINGDAO CITY, SHANDONG PROVINCE, ZIP CODE:266101

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