CN209639686U - A kind of non-contact laser detection revolving body cross section profile pattern error device - Google Patents
A kind of non-contact laser detection revolving body cross section profile pattern error device Download PDFInfo
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- CN209639686U CN209639686U CN201920050393.5U CN201920050393U CN209639686U CN 209639686 U CN209639686 U CN 209639686U CN 201920050393 U CN201920050393 U CN 201920050393U CN 209639686 U CN209639686 U CN 209639686U
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- scroll chuck
- mounting plate
- encoder
- displacement sensor
- laser displacement
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Abstract
The utility model provides a kind of non-contact laser detection revolving body cross section profile pattern error device, is mainly made of vertical lift platform, horizontal sliding table, slide unit mounting plate, precise rotating platform, laser displacement sensor, encoder and various connectors.By adjusting the position of slide unit mounting plate, it is in laser displacement sensor in optimal range ability, the angle of laser displacement sensor is adjusted according to the optical reflection situation on measured workpiece surface, the position that vertical lift platform adjusts measured workpiece measured section is controlled by computer, the horizontal position of laser displacement sensor is adjusted by computer control precise slide unit.The collected data of sensor are transferred to computer by capture card, handle data, to obtain measured workpiece measured section profile roughness, percent ripple, form error.
Description
Technical field
The utility model belongs to non-contact laser detection field more particularly to a kind of non-contact laser detection revolution body section
Profile pattern error device.
Background technique
Revolving body refers to the geometric figure with a rotation axes of symmetry, and it is round for turning round the shape of body section.Revolving body
Part is the component part of most of industrial products, and especially in manufacturing industry, about 70% engineering component has a rotation
Symmetry axis.Since the processing and manufacturing process of part is unlikely to be preferably, so the revolving parts section processed can not
It is ideal circle.Circularity is defined as differing the smallest two concentric circles comprising the diameter of all the points on given section by ISO1101.
The deviation from circular from of workpiece is an important indicator for reflecting rotary part quality, and deviation from circular from is unqualified to cause machine abnormal
The problems such as vibration, abrasion, impact.
Revolving body cross section profile pattern error measurement technology is divided into contact type measurement and non-contact measurement two major classes.Contact
Formula measurement method is in measurement process, and gauge head is always with tested part intimate surface contact, and there are gauge head wear problem and parts
Surface scratching problem, and since the presence of gauge head ball radius, practical contact point and theoretical contact point have differences, exist
Theoretical error.Compared to contact measurement method, non-contact measurement method solves that contact type measurement lateral resolution is low, gauge head
The cumbersome problem of motion path, it is easy to operate, substantially increase detection efficiency.Therefore carry out non-contact laser detection revolving body to cut
The research of facial contour pattern error device is of great significance to swivel cross section profile pattern error-detecting.
Non-contact laser detection technique is influenced by tested part surface quality, and the part strong for mirror-reflection needs to utilize
The light of mirror-reflection needs the piece surface based on diffusing reflection the measurement using irreflexive light measuring.
In conclusion there is an urgent need to a kind of non-contact lasers to examine for the development of revolving body cross section profile pattern error detecting technology
Survey time turns cross section profile pattern error device, accurately can quickly test revolving body cross section profile pattern error.It designs and develops
The device of a set of non-contact laser detection revolving body cross section profile pattern error out, is of great significance and practical application value.
Utility model content
The purpose of this utility model is to provide a kind of non-contact lasers to detect revolving body cross section profile pattern error device,
Revolving body cross section profile pattern error can quick and precisely be tested.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of non-contact laser detection revolving body cross section profile pattern error device, by mechanical device and electrical equipment group
At.Wherein mechanical device includes experimental bench bottom plate, slide unit mounting plate, encoder fixed plate, laser displacement sensor mounting plate, three
Dog chuck pedestal, scroll chuck connecting rod, scroll chuck, controller mounting plate etc.；Electrical equipment includes vertical lift platform, level
Slide unit, precise rotating platform, laser displacement sensor, encoder, vertical lift platform controller, horizontal sliding table controller, precise rotating platform
Controller, capture card, computer and DC power supply etc..
Have three groups of threaded holes at the top of the experimental bench bottom plate: four threaded holes are for installing accurate lifting platform, four spiral shells
Pit is for installing slide unit mounting plate, and two threaded holes are for installing controller mounting plate.
There are four strip holes for the slide unit mounting plate, for connecting and adjusting installation site with experimental bench bottom plate；It is sliding
There are four threaded holes for installing horizontal sliding table above platform mounting plate.
The encoder mounting plate is obtained by stainless steel plate bending process, and there are four through-holes for being mounted on vertically for bottom
At the top of lifting platform, top is used for there are two through-hole and encoder upper screwed hole is connected with.
The laser displacement sensor mounting plate is obtained by one piece of bottom plate and one piece of vertical plate welding processing, and bottom has four
A through-hole is for being mounted on horizontal sliding table；There is a strip hole for installing laser displacement sensor and adjusting it on vertical plate
Installation site, angle.
The scroll chuck mounting seat bottom there are four through-hole, for the threaded hole bolt at the top of precise rotating platform
Connection；The axis of three sections of different diameters of axle is arranged at scroll chuck mounting seat top, there is a withdrawing between first segment axis and second segment axis
Slot, for installing encoder, encoder inner ring is positioned second segment axis with the shaft shoulder, and third section axis is for installing scroll chuck connection
Bar, third section axis mill out locking of the facet for the holding screw that scroll chuck connecting rod carries.
The controller mounting plate is obtained by one piece of stainless steel plate bending process, and there are two through-holes for being mounted on for bottom
On experimental bench bottom plate；There are two through-holes among vertical plate for installing precise rotating platform controller, and respectively there are two through-holes for pacifying for two sides
Dress vertical lift platform controller and horizontal sliding table controller.
The advantage of the utility model is: non-contact measurement, will not disfiguring workpiece surface, detection efficiency is high, operation letter
Single, measurement result is accurate.The revolving body cross section profile pattern error that this covering device can be tested accurately includes: the wheel for turning round body section
Exterior feature, form error, percent ripple, roughness.Package unit is designed based on laser detection principle, and processing, assembly, convenient disassembly are led to
It crosses program and realizes automatic detection, entire test process is easy to operate flexibly.In addition, this device can be also used for measurement surface with unrestrained
The profile pattern error measure of non-rotating part (such as six-edged axis) based on reflection.
Detailed description of the invention
Fig. 1 is schematic diagram on front side of the utility model overall structure
Fig. 2 is schematic diagram on rear side of the utility model overall structure
Fig. 3 is that the utility model assembles explosive view
Fig. 4 is the utility model specific work process flow chart
Specific embodiment
The utility model is further described below in conjunction with attached drawing:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of non-contact laser of the utility model detects revolving body cross section profile pattern error
Device, each section is successively are as follows: experimental bench bottom plate (1), bolt (2), vertical lift platform (3), encoder fixed plate (4), bolt
(5), precise rotating platform (6), controller mounting plate (7), bolt (8), precise rotating platform controller (9), vertical lift platform controller
(10), bolt (11), horizontal sliding table controller (12), bolt (13), scroll chuck (14), measured workpiece (15), scroll chuck
Connecting rod (16), encoder (17), nut (18), laser displacement sensor mounting plate (19), laser displacement sensor (20), spiral shell
Bolt (21), bolt (22), bolt (23), scroll chuck pedestal (24), bolt (25), bolt (26), horizontal sliding table (27), bolt
(28), slide unit mounting plate (29)；The components such as other computers, capture card, conducting wire are not shown in the figure.
As shown in figure 3, vertical lift platform (3) is connected by four bolts (2) and experimental bench bottom plate (1)；Three bolts (5)
In three threaded holes at the top of three through-hole precessions vertical lift platform (3) of precise rotating platform (6), encoder fixed plate (4),
Realize being connected for encoder fixed plate (4), precise rotating platform (6) and close lifting platform (3)；Four bolts (23) pass through scroll chuck
In four threaded holes at the top of four through-hole precession precise rotating platforms (6) on pedestal (24), realize scroll chuck pedestal (24) with
Precise rotating platform (6) is connected；Encoder (17) is fallen on scroll chuck pedestal (24), and encoder (17) inner ring withstands on three-jaw card
It tries to get to the heart of a matter on the shaft shoulder of seat (24), matching for the shaft part of encoder (17) inner hole and scroll chuck pedestal (24) is combined into transition fit, uses
The included locking nut locking of encoder (17), realization encoder (17) inner ring and scroll chuck pedestal (24) shaft part are connected,
Two bolts (22) pass through two threaded holes at the top of two through-hole precession encoders (17) at the top of encoder fixed plate (4)
In, realization encoder (17) outer ring is connected with encoder fixed plate (4)；Scroll chuck connecting rod (16) falls in scroll chuck bottom
On the seat the smallest shaft part of (24) diameter of axle, withstand on encoder (17) inner ring, scroll chuck connecting rod (16) inner hole and scroll chuck
Matching for the smallest shaft part of pedestal (24) diameter of axle is combined into transition fit, which has milled out a plane, passes through and rotates three-jaw card
The included lock-screw of brace rod (16) makes it hold out against realization scroll chuck connecting rod (16) and scroll chuck on this plane
Pedestal (24) is connected；Scroll chuck (14) is connected by the threaded rod at the top of the threaded hole of bottom and scroll chuck connecting rod (16)
It connects；Measured workpiece (15) by adjusting scroll chuck (14) gripping range clamping on scroll chuck (14)；Four bolts
(28) in four threaded holes of four strip hole precession experimental bench bottom plates (1) of slide unit mounting plate (29), slide unit peace is realized
Loading board (29) is connected with experimental bench bottom plate (1)；Four bolts (26) pass through four countersunk head through-holes of horizontal sliding table (27) bottom
In four threaded holes of precession slide unit mounting plate (29), being connected for horizontal sliding table (27) and slide unit mounting plate (29) is realized；Four
Bolt (25) passes through four at the top of four through-hole precession horizontal sliding tables (27) of laser displacement sensor mounting plate (19) bottom
In threaded hole, being connected for laser displacement sensor mounting plate (19) and horizontal sliding table (27) is realized；Bolt (21) passes through laser position
The strip hole of countersunk head through-hole, laser displacement sensor mounting plate (19) that displacement sensor (20) is installed, is locked with nut (18), real
The connection of existing laser displacement sensor (20) and laser displacement sensor mounting plate (19), laser displacement sensor (20) turn
Dynamic and translation freedom degree is limited by the frictional force provided after bolt (21) nut (18) locking；Two bolts (8) pass through control
In two threaded holes of two through-hole precession experimental bench bottom plates (1) of device mounting plate (7) bottom processed, controller mounting plate is realized
(7) connected with experimental bench bottom plate (1)；Two bolts (13) pass through two intermediate through-hole precession essences of controller mounting plate (7)
In two threaded holes of close turntable controller (9) behind, realization precise rotating platform controller (9) is consolidated with controller mounting plate (7)
Even；Four bolts (11) are each passed through four U-shaped hole precessions of vertical lift platform controller (10), horizontal sliding table controller (12)
Four threaded holes on controller mounting plate (7) both sides, realization vertical lift platform controller (10) are consolidated with controller mounting plate (7)
Even and horizontal sliding table controller (12) and controller mounting plate (7) are connected.So far, a kind of non-contact laser detection revolution
Body section profile pattern error device is installed.
The specific work process of test device in the present embodiment is described below in conjunction with attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4:
By adjusting the gripping range of scroll chuck (14), by measured workpiece (15) clamping on scroll chuck (14)；Pine
The position for opening bolt (28) adjustment slide unit mounting plate (29), is in laser displacement sensor (20) in optimal range ability,
Clamping screw (28) again；Bolt (21) nut (18) is unclamped, is adjusted and is swashed according to the optical reflection situation of measured workpiece surface (15)
The angle of Optical displacement sensor (20) adjusts after angle clamping screw (21) nut (18) again；It is vertical by computer control
The position of lifting platform (3) adjustment measured workpiece (15) measured section；Laser position is adjusted by computer controlled level slide unit (27)
The horizontal position of displacement sensor (20) makes axis of the light as close to measured workpiece (15) for issuing laser.Encoder
(17), laser displacement sensor (20) collected data are transferred to computer by capture card, utilize the side such as Fourier transform
Method handles collected data, the signal of available different frequency, is believed according to form error, percent ripple, roughness
Number frequency distribution characteristic be filtered, respectively obtain the signal of each pattern error, finally obtained using Fourier inversion
Measured workpiece measured section profile measured workpiece measured section roughness, percent ripple, form error distribution curve.
Claims (6)
1. a kind of non-contact laser detects revolving body cross section profile pattern error device, it is characterised in that: laser displacement sensor
(20) it is installed on laser displacement sensor mounting plate (19), laser displacement sensor mounting plate (19) is installed on horizontal sliding table
(27) it on, is installed on horizontal sliding table (27) on slide unit mounting plate (29), slide unit mounting plate (29) is installed on experimental bench bottom plate (1)
On；Measured workpiece (15) is installed on scroll chuck (14), and scroll chuck (14) is installed on by scroll chuck connecting rod (16)
On scroll chuck pedestal (24), scroll chuck pedestal (24) is installed on precise rotating platform (6), and precise rotating platform (6) is mounted on vertically
On lifting platform (3), vertical lift platform (3) is installed on experimental bench bottom plate (1)；Encoder (17) is installed on scroll chuck pedestal
(24) fixation of encoder (17) outer ring is realized on axis with encoder fixed plate (4), encoder fixed plate (4) bottom is installed on
Interplanar between precise rotating platform (6) and vertical lift platform (3)；Precise rotating platform controller (9), vertical lift platform controller
(10), horizontal sliding table controller (12) is installed on controller mounting plate (7), and controller mounting plate (7) is installed on experimental bench bottom
On plate (1)；After the position for adjusting laser displacement sensor (20) and measured workpiece (15), driving precise rotating platform (6) rotation,
Measured workpiece (15) data can be measured.
2. a kind of non-contact laser according to claim 1 detects revolving body cross section profile pattern error device, feature
Be: vertical lift platform (3) is bolted with experimental bench bottom plate (1), and encoder fixed plate (4) lower end is clipped in precise rotating platform (6)
Between vertical lift platform (3), precise rotating platform (6) is threadedly coupled with vertical lift platform (3), scroll chuck pedestal (24) and precision
Turntable (6) is threadedly coupled, and encoder (17) is fallen on scroll chuck pedestal (24), and encoder (17) inner ring withstands on scroll chuck bottom
On the shaft shoulder of seat (24), encoder (17) inner hole and matching for (24) second shaft part of scroll chuck pedestal are combined into transition fit, with volume
The included locking nut locking of code device (17), encoder (17) outer ring are connect with encoder fixed plate (4) threaded upper ends, three-jaw card
Brace rod (16) is fallen on the smallest shaft part of scroll chuck pedestal (24) diameter of axle, is withstood on encoder (17) inner ring, three-jaw card
Brace rod (16) inner hole and matching for the smallest shaft part of scroll chuck pedestal (24) diameter of axle are combined into transition fit, which mills out
One plane holds out against it by the included lock-screw of rotation scroll chuck connecting rod (16) and realizes three-jaw on this plane
Connected, the threaded hole and scroll chuck that scroll chuck (14) passes through bottom of chuck connecting rod (16) and scroll chuck pedestal (24)
Threaded rod at the top of connecting rod (16) is threadedly coupled.
3. a kind of non-contact laser according to claim 2 detects revolving body cross section profile pattern error device, feature
Be: slide unit mounting plate (29) is threadedly coupled with experimental bench bottom plate (1), and horizontal sliding table (27) and slide unit mounting plate (29) screw thread connect
It connects, laser displacement sensor mounting plate (19) is threadedly coupled with horizontal sliding table (27), and laser displacement sensor and laser displacement pass
Sensor mounting plate (19) is threadedly coupled, and the freedom degree of rotation and the translation of laser displacement sensor (20) is by bolt (21) nut
(18) frictional force that provides limits after locking.
4. a kind of non-contact laser according to claim 1 detects revolving body cross section profile pattern error device, feature
Be: controller mounting plate (7) is threadedly coupled with experimental bench bottom plate (1), precise rotating platform controller (9) and controller mounting plate
(7) it is threadedly coupled, vertical lift platform controller (10) is threadedly coupled with controller mounting plate (7), horizontal sliding table controller (12)
It is threadedly coupled with controller mounting plate (7).
5. a kind of non-contact laser according to claim 2 detects revolving body cross section profile pattern error device, feature
Be: there are four through-holes for scroll chuck pedestal (24) bottom, for being connected with the threaded hole at the top of precise rotating platform (6),
The axis of three sections of different diameters of axle is arranged at scroll chuck pedestal (24) top, there is an escape between first segment axis and second segment axis, the
For installing encoder (17), encoder (17) inner ring is positioned two sections of axis with the shaft shoulder, and third section axis is for installing scroll chuck company
Extension bar (16), third section axis mill out locking of the facet for the holding screw that scroll chuck connecting rod (16) carry.
6. a kind of non-contact laser according to claim 3 detects revolving body cross section profile pattern error device, feature
Be: laser displacement sensor mounting plate (19) is obtained by one piece of bottom plate and one piece of vertical plate welding processing, and there are four through-holes for bottom
For being mounted on horizontal sliding table (27), there is a strip hole for installing laser displacement sensor (20) and adjustment on vertical plate
Its installation site, angle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050393.5U CN209639686U (en) | 2019-01-12 | 2019-01-12 | A kind of non-contact laser detection revolving body cross section profile pattern error device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920050393.5U CN209639686U (en) | 2019-01-12 | 2019-01-12 | A kind of non-contact laser detection revolving body cross section profile pattern error device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540032A (en) * | 2019-01-12 | 2019-03-29 | 吉林大学 | A kind of non-contact laser detection revolving body cross section profile pattern error device |
| CN114812480A (en) * | 2022-05-09 | 2022-07-29 | 吉林大学 | Precision measurement device for appearance characteristics of outer surface of large-diameter workpiece |
-
2019
- 2019-01-12 CN CN201920050393.5U patent/CN209639686U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540032A (en) * | 2019-01-12 | 2019-03-29 | 吉林大学 | A kind of non-contact laser detection revolving body cross section profile pattern error device |
| CN109540032B (en) * | 2019-01-12 | 2024-04-19 | 吉林大学 | Non-contact laser detection revolution body section profile morphology error device |
| CN114812480A (en) * | 2022-05-09 | 2022-07-29 | 吉林大学 | Precision measurement device for appearance characteristics of outer surface of large-diameter workpiece |
| CN114812480B (en) * | 2022-05-09 | 2023-07-14 | 吉林大学 | Precise measurement device for appearance characteristics of outer surface of large-caliber workpiece |
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