CN206073936U - A kind of general cambered surface cam mechanism accuracy detection experimental provision - Google Patents
A kind of general cambered surface cam mechanism accuracy detection experimental provision Download PDFInfo
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- CN206073936U CN206073936U CN201621099962.8U CN201621099962U CN206073936U CN 206073936 U CN206073936 U CN 206073936U CN 201621099962 U CN201621099962 U CN 201621099962U CN 206073936 U CN206073936 U CN 206073936U
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- cam
- rotating shaft
- globoid cam
- cambered surface
- globoid
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Abstract
This utility model provides a kind of general cambered surface cam mechanism accuracy detection experimental provision, including line slideway, ball-screw and workbench, supporting table can be driven to move on rectilinear orbit by ball-screw, so as to adjust the centre-to-centre spacing of globoid cam and index dial, globoid cam is arranged in rotating shaft by feather key and can be moved in rotating shaft, adjust the axial displacement of globoid cam and index dial to adjust the rigging position of cambered surface cam mechanism by fine tuning structure, the axial direction fine setting displacement of centre-to-centre spacing and globoid cam can carry out the measurement of real data by grating scale, the assembling deviation of the also measurable cambered surface cam mechanism of grating scale, the position that globoid cam and index dial are adjusted by the deviation carries out the auxiliary assembling of cambered surface cam mechanism.24 face polygon prisms and autocollimator are installed, and the light that 24 face polygon prisms are reflected passes to autocollimator, angular error drawn by comparing, and then obtains the accuracy value of globoid cam.
Description
Technical field
This utility model belongs to mechanical field, is related to a kind of general cambered surface cam mechanism accuracy detection experimental provision.
Background technology
Traditional profile surface precision for the multiplex three coordinate machine of the method for globoid cam accuracy detection being measured to globoid cam.Tool
Body method is to work out optimization program using Matlab optimization toolbox, it is determined that measurement starting point, makes measurement coordinate system with theoretical seat
Mark system overlaps.The measurement capability and operability of three coordinate measuring machine depend greatly on the function of Survey Software, survey
Amount software determines the adoptable metering system of three coordinate measuring machine, and range of application.It is only applicable to the arc to known parameters
Face index cam carries out accuracy test, but if the globoid cam measured by unknown parameter, then the method is not just inverse evaluation of parameters
It is suitable for.And this kind of method of testing is expensive, the static accuracy test of laboratory etc. is not suitable for.
Utility model content
To solve the above problems, this utility model provides a kind of auxiliary assembling apparatus of globoid cam, realizes to difference
The globoid cam of size carries out static accuracy test, it is possible to measure rigging error and existing globoid cam is aided in
Assembling, can be used for the occasions such as laboratory, workshop.
In order to achieve the above object, this utility model adopts below scheme：
A kind of general cambered surface cam mechanism accuracy detection experimental provision, including line slideway, ball-screw and workbench；Directly
Line guide rail and ball-screw be arranged in parallel and fix on the table, drive ball-screw handwheel and ball-screw coaxially connected,
Support platform is arranged on line slideway, supporting table can be driven to move on rectilinear orbit by ball-screw, and globoid cam passes through
Rotating shaft and support are fixed in supporting table, and rotating shaft is vertically arranged with rectilinear orbit, and index dial is fixed on the table by bracing frame,
Supporting table can be driven to move on rectilinear orbit by ball-screw, so as to adjust the centre-to-centre spacing of globoid cam and index dial；
Globoid cam is arranged in rotating shaft by feather key and can be moved in rotating shaft, and rotating shaft two ends pass through bearing and bearing block
Rack-mount, hand wheel is arranged on rotating shaft one end, after globoid cam is fixed on rotating shaft correct position, by axially position
Device and tighten nut check；The grating scale difference of the centre-to-centre spacing and globoid cam axial displacement of measurement globoid cam and index dial
On workbench and supporting table, grating scale gauge head is separately mounted on the surface of supporting table and globoid cam；The many ribs in 24 faces
Mirror is coaxially mounted to beside globoid cam with index dial, and autocollimator is arranged on bracing frame, what 24 face polygon prisms were reflected
Light passes to autocollimator, draws angular error by comparing.
Further, corner graduated disc and globoid cam are coaxially mounted in rotating shaft, and hand wheel causes globoid cam to rotate,
The angle of rotation is indicated by corner graduated disc.
Further, the autocollimator certainty of measurement is 0.2 rad, highest Dynamic response 15Hz.
Further, workbench is supported by adjustable support.
General cambered surface cam mechanism accuracy detection experimental provision described in the utility model, including line slideway, ball wire
Thick stick and workbench, can drive supporting table to move on rectilinear orbit by ball-screw, so as to adjust globoid cam with indexing
The centre-to-centre spacing of disk, globoid cam are arranged in rotating shaft by feather key and can be moved in rotating shaft, adjust cambered surface by fine tuning structure
The axial displacement of cam and index dial is finely tuned come the axial direction for adjusting the rigging position of cambered surface cam mechanism, centre-to-centre spacing and globoid cam
Displacement can carry out the measurement of real data by grating scale, the assembling deviation of the also measurable cambered surface cam mechanism of grating scale,
The position that globoid cam and index dial are adjusted by the deviation carries out the auxiliary assembling of cambered surface cam mechanism.24 faces are installed many
Prism and autocollimator, the light that 24 face polygon prisms are reflected pass to autocollimator, draw angular error by comparing, enter
And obtain the accuracy value of globoid cam.
Description of the drawings
Fig. 1 is tomograph of the present utility model
Axial fine tuning structures of the Fig. 2 for this utility model globoid cam
Wherein：1- driving ball-screw handwheels, 2- supporting tables, 3- grating scales, 4- supports, 5- bearing blocks, 6- globoid cams,
7-24 faces polygon prism, 8- index dials, 9- autocollimators, 10- hand wheels, 11- corner graduated discs, 12- line slideways, 13- rollings
Ballscrew, 14- adjustable supports, 15- workbench, 16- tighten nut, 17- axial direction positioning devices, 18- feather keys, 19- bearings.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment, based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of this utility model protection.
As depicted in figs. 1 and 2, general cambered surface cam mechanism accuracy detection experimental provision of the present utility model, including straight line
Guide rail 12, ball-screw 13 and workbench 15；Line slideway 12 and ball-screw 13 be arranged in parallel and are fixed on workbench 15, drive
Dynamic ball-screw handwheel 1 and ball-screw 13 are coaxially connected, and supporting table 2 is arranged on line slideway 12, by ball-screw 13
Supporting table 2 can be driven to move on rectilinear orbit, globoid cam 6 passes through rotating shaft and support 4 to be fixed in supporting table 2, rotating shaft with
Rectilinear orbit is vertically arranged, and index dial 8 is fixed on workbench 15 by bracing frame, can drive support by ball-screw 13
Platform 2 is moved on rectilinear orbit, so as to adjust the centre-to-centre spacing of globoid cam 6 and index dial 8；The laboratory table can carry out the number of divisions
For 2,3,4,6,8,12,24 different centre-to-centre spacing, the auxiliary assembling of the cambered surface cam mechanism of different size size.
Globoid cam 6 is arranged in rotating shaft by feather key 18 and can be moved in rotating shaft, and rotating shaft two ends pass through 19 He of bearing
Bearing block 5 is arranged on support 4, and hand wheel 10 is arranged on rotating shaft one end, after globoid cam 6 is fixed on rotating shaft correct position,
By axial direction positioning device 17 and tighten nut 16 and lock.
Corner graduated disc 11 and globoid cam 6 are coaxially mounted in rotating shaft, and hand wheel causes globoid cam to rotate, by turn
Horn craving scale indicates the angle of rotation.
Further, 24 face polygon prisms 7 are coaxially mounted to beside globoid cam 6 with index dial 8, and autocollimator 9 is arranged on and props up
On support, the light that 24 face polygon prisms 7 are reflected passes to autocollimator 9, draws angular error by comparing.The autocollimatic
9 certainty of measurement of straight instrument is 0.2 rad, highest Dynamic response 15Hz.
Further, the grating scale 3 for measuring globoid cam 6 with 6 axial displacement of centre-to-centre spacing and globoid cam of index dial 8 is distinguished
On workbench 15 and supporting table 2,3 gauge head of grating scale is separately mounted on the surface of supporting table 2 and globoid cam 6.Work
Make platform 15 to support by adjustable support 14.
After having taken into full account the versatility of cambered surface cam mechanism auxiliary assembling apparatus, can realize to different size specification
Cambered surface cam mechanism is assembled, therefore has certain requirement to the height of the support, is determined according to designed height 160mm
The replacement size range of globoid cam is：Globoid cam outline radius is between 90mm～180mm.
The length of line slideway requires to consider according to the overall of the size and laboratory table of each several part, from the straight line of 250mm
Guide rail, therefore, the adjustable center distance scope of the auxiliary assembly experiment platform is 180mm～250mm.
Autocollimator provides the Dynamic response of the certainty of measurement and highest 15Hz of 0.2 rad of highest.
The fine setting displacement vertically of globoid cam and index dial is 0～10mm.Adjustment structure is screw thread and nut on axle
Coordinate, rotating nut is adjusting the axial displacement of globoid cam and index dial.
Globoid cam 3 can pass through axially position by being connected to sliding on axle with feather key 4 to after the position of engagement for determining
Device 2 is locked with nut 1 is tightened, and completes to position with the assembling of index dial.
Claims (4)
1. a kind of general cambered surface cam mechanism accuracy detection experimental provision, it is characterised in that：Including line slideway (12), ball wire
Thick stick (13) and workbench (15)；
Line slideway (12) and ball-screw (13) be arranged in parallel and are fixed on workbench (15), drive ball-screw handwheel (1)
Coaxially connected with ball-screw (13), supporting table (2) can be driven by ball-screw (13) on line slideway (12)
Supporting table (2) is moved on rectilinear orbit, globoid cam (6) by the fixed supporting table (2) of rotating shaft and support (4), rotating shaft with
Rectilinear orbit is vertically arranged, and index dial (8) is fixed on workbench (15) by bracing frame, can be driven by ball-screw (13)
Dynamic supporting table (2) is moved on rectilinear orbit, so as to adjust the centre-to-centre spacing of globoid cam (6) and index dial (8)；
Globoid cam (6) can be moved in rotating shaft in rotating shaft by feather key (18), and rotating shaft two ends pass through bearing (19)
With bearing block (5) on support (4), installed in rotating shaft one end, globoid cam (6) is fixed on rotating shaft conjunction to hand wheel (10)
Right position postpones, by axial direction positioning device (17) and tighten nut (16) locking；
The grating scale (3) that globoid cam (6) is measured with the centre-to-centre spacing and globoid cam (6) axial displacement of index dial (8) is pacified respectively
It is mounted on workbench (15) and supporting table (2), grating scale (3) gauge head is separately mounted to the table of supporting table (2) and globoid cam (6)
On face；24 face polygon prisms (7) are coaxially mounted to beside globoid cam (6) with index dial (8), and autocollimator (9) is installed in support
On frame, the light that 24 face polygon prisms (7) are reflected passes to autocollimator (9), draws angular error by comparing.
2. general cambered surface cam mechanism accuracy detection experimental provision according to claim 1, it is characterised in that：The autocollimatic
Straight instrument (9) certainty of measurement is 0.2 rad, highest Dynamic response 15Hz.
3. general cambered surface cam mechanism accuracy detection experimental provision according to claim 1 and 2, it is characterised in that：Corner
Graduated disc (11) and globoid cam (6) are coaxially mounted in rotating shaft, and hand wheel causes globoid cam to rotate, by corner graduated disc
Indicate the angle of rotation.
4. general cambered surface cam mechanism accuracy detection experimental provision according to claim 1 and 2, it is characterised in that：Work
Platform (15) is supported by adjustable support (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099962.8U CN206073936U (en) | 2016-09-30 | 2016-09-30 | A kind of general cambered surface cam mechanism accuracy detection experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099962.8U CN206073936U (en) | 2016-09-30 | 2016-09-30 | A kind of general cambered surface cam mechanism accuracy detection experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206073936U true CN206073936U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099962.8U Expired - Fee Related CN206073936U (en) | 2016-09-30 | 2016-09-30 | A kind of general cambered surface cam mechanism accuracy detection experimental provision |
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| CN (1) | CN206073936U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289113A (en) * | 2016-09-30 | 2017-01-04 | 陕西科技大学 | A kind of general cambered surface cam mechanism auxiliary assembling apparatus |
| CN109458915A (en) * | 2018-12-21 | 2019-03-12 | 焦作大学 | A kind of detecting tool and detection method of profile of plate cam |
| CN109827778A (en) * | 2019-03-31 | 2019-05-31 | 唐山学院 | A kind of different angle of the engine with index dial adjusts experimental rig |
| CN111536899A (en) * | 2020-04-30 | 2020-08-14 | 南京理工大学 | Device and method for detecting spatial composite convex profile precision of automatic tool changer |
-
2016
- 2016-09-30 CN CN201621099962.8U patent/CN206073936U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289113A (en) * | 2016-09-30 | 2017-01-04 | 陕西科技大学 | A kind of general cambered surface cam mechanism auxiliary assembling apparatus |
| CN106289113B (en) * | 2016-09-30 | 2019-04-05 | 陕西科技大学 | A kind of general cambered surface cam mechanism auxiliary assembling apparatus |
| CN109458915A (en) * | 2018-12-21 | 2019-03-12 | 焦作大学 | A kind of detecting tool and detection method of profile of plate cam |
| CN109458915B (en) * | 2018-12-21 | 2020-12-22 | 焦作大学 | Detection tool and detection method for profile of disc cam |
| CN109827778A (en) * | 2019-03-31 | 2019-05-31 | 唐山学院 | A kind of different angle of the engine with index dial adjusts experimental rig |
| CN111536899A (en) * | 2020-04-30 | 2020-08-14 | 南京理工大学 | Device and method for detecting spatial composite convex profile precision of automatic tool changer |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20170930 |