CN206627130U - It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted - Google Patents
It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted Download PDFInfo
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- CN206627130U CN206627130U CN201720228810.1U CN201720228810U CN206627130U CN 206627130 U CN206627130 U CN 206627130U CN 201720228810 U CN201720228810 U CN 201720228810U CN 206627130 U CN206627130 U CN 206627130U
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- encoder
- grating
- circular gratings
- expanding unit
- spindle mounted
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Abstract
It the utility model is related to a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, including base, long struts, stepper motor, connecting plate for electric motor, sprag, connecting shaft and chuck；Described is a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, and the grating expanding unit is simple and reasonable, convenient to use；The connecting shaft of designed quality of rubber materials, solve and camera collection image instability problem caused by positioning is crossed to encoder clamping；By the way of four point positioning, the clamping and positioning to encoder are realized using the expansion performance of extension spring, cam mechanism revolving property and lever principle, the quick-clamping to rotary encoder is realized, improves Circular gratings and the efficiency of encoder spindle mounted on production line.
Description
Technical field
The invention belongs to mechanical field, and in particular to a kind of to be filled for Circular gratings and the grating expansion of encoder spindle mounted
Put.
Background technology
In encoder production process, Circular gratings are needed to be assembled on encoder main body, and circle light is driven by encoder main shaft
Grid realize gyration, but the actual centre of gyration of Circular gratings is difficult to overlap with the centre of gyration of encoder main shaft, there is one
Fixed coaxiality error, so needing to be adjusted the axiality of Circular gratings, reduce coaxiality error as far as possible, realize encoder
Output signal it is accurate, so, Circular gratings and encoder spindle mounted are the important steps during photoelectric encoder is manufactured,
It is the key technology for determining encoder output precision.During Circular gratings and encoder spindle mounted, it is necessary first to will
Encoder carries out clamping, and then camera gathers the Circular gratings image of diverse location in real time, and then image processing system is to these figures
Position as being handled, being calculated, being determined the centre of gyration, because required precision is non-when the axiality to Circular gratings is adjusted
Chang Gao, 5,000,000 video camera and magnifying glass are selected in machine vision part, its visual field is about 5mmx5mm, so in visual field model
Circular gratings in enclosing are sub-fraction circular arc, are not easy to the determination of the Circular gratings centre of gyration, calculate the position of the centre of gyration extremely
Three basic circle centers are needed less to be fitted.Simultaneously for stability when ensureing Circular gratings rotary course, it is necessary to solve motor
Camera caused by positioning was caused to encoder during drive encoder main axis gathers the problem of image is unstable, at this
Positioning is crossed during one to be not allowed to.The Circular gratings expanding unit used in enterprise can not solve Circular gratings rotation at present
To the mistake orientation problem of encoder during turning, and then the image for causing camera to gather is not sufficiently stable, is not clear enough, ultimately results in
The encoder accuracy of production is not high, and the fixture that clamping encoder uses is scroll chuck either screw propulsion clamping, is filled
It is very low to press from both sides efficiency, it is therefore desirable to a set of grating expanding unit that can be solved orientation problem and can and improve clamping efficiency.
The content of the invention
The purpose of this utility model is to provide a kind of grating expanding unit for Circular gratings and encoder spindle mounted, is
The encoder during Circular gratings and encoder spindle mounted for solving to propose in above-mentioned background technology crosses positioning and clamping efficiency
The problem of low.
To achieve the above object, the technical solution adopted in the utility model is：One kind is used for Circular gratings and encoder main shaft
The grating expanding unit of assembling, including base 1, long struts 2, stepper motor 3, motor fixing plate 4, sprag 5, the and of connecting shaft 6
Chuck 7；Four long struts 2 are connected through a screw thread on the base 1, and the motor fixing plate 4 is connected by screw thread
Connect in four long struts 2, the stepper motor 3 is connected through a screw thread on the motor fixing plate 4, institute
Connecting shaft 6 is stated on the output shaft of the stepper motor 3；Four sprags 5 are arranged on the motor fixing plate 4
On, the chuck 7 is connected through a screw thread on four sprags 5；The chuck 7 includes 8, two clamping plates of connecting plate
9th, three screw bolt-type outer ring and roll assemblies 10, extension spring 11,12, two ladder pins 13 of driving lever cam and two hook-type screws
14；The screw bolt-type outer ring and roll assembly 10 is arranged on the connecting plate 8, and described two clamping plates 9 and driving lever cam 12 pass through
The mode of interference fits is separately mounted on three screw bolt-type outer ring and roll assemblies 10, described two ladder pins 13 and two
Hook-type screw 14 is arranged on the clamping plate 9, and the both ends of extension spring 11 are arranged on described two hook-type screws 14.
Described is a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, and the connecting plate 8 is square
Block structure, encoder bore 15 is provided with, for placing encoder.
Described is a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, and the clamping plate 9 is provided with fixed
Position hole 16 and V-shaped groove 15, the clamping plate 9 are arranged on the screw bolt-type outer ring and roll assembly 10 by positioning hole 17, the V-arrangement
The angle of groove 16 is arranged to 120 °.
Described is a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, and the connecting shaft 6 is rubber
Material, it is provided with connecting hole 19 and the taper surface 18 being consistent with encoder inner hole of spindle, the connecting hole 19 and the stepping
The output axis connection of motor 3, encoder main shaft is driven to realize gyration under the drive of the stepper motor 3.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the utility model is a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, designed connection
Axle, using quality of rubber materials, the rotation of encoder main shaft is driven under stepper motor drive, connecting shaft is inhaled when rotating by deforming
Different axial displacements is received, encoder caused by the rotation of encoder main shaft crosses positioning during avoiding the eccentric adjustment of Circular gratings, solves
The problem of camera of having determined collection image is unstable.
2. a kind of Circular gratings expanding unit for the eccentric adjustment of encoder Circular gratings of the utility model, simple in construction, just
In manual operation, designed chuck, realized using the structure of V-shaped groove, cam mechanism revolving property and lever principle to circle light
The four point positioning of grid encoder, so as to realize the quick-clamping to encoder.
Brief description of the drawings
Fig. 1 is the front view of grating expanding unit.
Fig. 2 is the overall structure diagram of grating expanding unit.
Fig. 3 is the chuck top view of grating expanding unit.
Fig. 4 is the clamp region schematic diagram of grating expanding unit.
Fig. 5 is the connecting axle structure schematic diagram of grating expanding unit.
In figure：1st, base, 2, long struts, 3, stepper motor, 4, motor fixing plate, 5, sprag, 6, connecting shaft, 8, connection
Plate, 9, clamping plate, 10, screw bolt-type outer ring and roll assembly, 11, extension spring, 12, driving lever cam, 13, ladder pin, 14, hook-type spiral shell
Nail, 15, encoder bore, 16, V-shaped groove, 17, positioning hole, 18, taper surface, 19, connecting hole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly, it is fully described by.
Embodiment 1：
It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted, including base 1, long struts 2, stepping electricity
Machine 3, motor fixing plate 4, sprag 5, connecting shaft 6 and chuck 7；Four long struts 2 are connected through a screw thread on base 1,
Motor fixing plate plate 4 is connected through a screw thread in four long struts 2, and stepper motor 3 is connected through a screw thread installed in motor
In fixed plate 4, connecting shaft 6 is arranged on the output shaft of stepper motor 3；Four sprags 5 are arranged on motor fixing plate 4, card
Disk 7 is connected through a screw thread on four sprags 5；Chuck 7 includes 9, three, the clamping plate screw bolt-type roller of connecting plate 8, two
Needle bearing 10, extension spring 11,12, two ladder pins 13 of driving lever cam and two hook-type screws 14；Screw bolt-type cam follower needle roller
Bearing 10 is arranged on clamping plate 9, and two clamping plates 9 and driving lever cam 12 are separately mounted to three bolts by way of interference fits
On type outer ring and roll assembly 10, two ladder pins 13 and two hook-type screws 14 are arranged on clamping plate 9, the both ends of extension spring 11 peace
On two hook-type screws 14.
Embodiment 2
A kind of for Circular gratings and the grating expanding unit of encoder spindle mounted described in embodiment 1, connecting plate 8 is side
Shape block structure, encoder bore 15 is provided with, for placing encoder.
Embodiment 3
A kind of Circular gratings and grating expanding unit clamping plate 9 of encoder spindle mounted of being used for described in embodiment 1 is provided with
Positioning hole 17 and V-shaped groove 16, clamping plate 9 by positioning hole 17 be arranged on screw bolt-type outer ring and roll assembly 10 on, the lower surface of clamping plate 9 and
The upper surface of connecting plate 8 is contacted, and in the presence of cam mechanism, clamping plate 9 can realize certain angle relative to connecting plate 8
Rotate, the angle of V-shaped groove 15 is arranged to 120 °, when driving lever cam 12 goes to certain angle clockwise or counter-clockwise, it is possible to achieve
To the four point positioning of encoder outline, now clamping plate 9 can simply be interpreted as lever, and screw bolt-type outer ring and roll assembly 10 is one
Individual fulcrum, form lever principle；Extension spring 11 is in extended state simultaneously, after the completion of the eccentric adjustment of encoder Circular gratings,
Driving lever cam 12 is lightly stirred, is slowly separated in the profile of driving lever cam 12 and ladder pin, is acted in the elastic force of extension spring 11
Under, two clamping plates 9 return to original state.
Embodiment 4
A kind of Circular gratings and grating expanding unit connecting shaft 6 of encoder spindle mounted of being used for described in embodiment 1 uses
Quality of rubber materials, it is provided with taper surface 18 and connecting hole 19 that encoder inner hole of spindle is consistent, connecting hole 19 and stepper motor 3
Axis connection is exported, drives encoder main shaft to realize gyration under the drive of stepper motor 3.The shape of connecting shaft 6 be by
Precision calculates, and has suitable bending rigidity.
Claims (4)
- It is 1. a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, including base（1）, long struts（2）, stepping Motor（3）, motor fixing plate（4）, sprag（5）, connecting shaft（6）And chuck（7）, it is characterised in that：Four long struts （2）It is connected through a screw thread and is arranged on the base（1）On, the motor fixing plate（4）It is connected through a screw thread and is arranged on four institutes State long struts（2）On, the stepper motor（3）It is connected through a screw thread and is arranged on the motor fixing plate（4）On, the connecting shaft （6）Installed in the stepper motor（3）Output shaft on；Four sprags（5）Installed in the motor fixing plate（4） On, the chuck（7）It is connected through a screw thread and is arranged on four sprags（5）On；The chuck（7）Including connecting plate（8）、 Two clamping plates（9）, three screw bolt-type outer ring and roll assemblies（10）, extension spring（11）, driving lever cam（12）, two ladder pins （13）With two hook-type screws（14）；The screw bolt-type outer ring and roll assembly（10）Installed in the connecting plate（8）On, described two Individual clamping plate（9）With driving lever cam（12）Three screw bolt-type outer ring and roll assemblies are separately mounted to by way of interference fits （10）On, described two ladder pins（13）With two hook-type screws（14）Installed in the clamping plate（9）On, the extension spring （11）Both ends are arranged on described two hook-type screws（14）On.
- It is 2. according to claim 1 a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, its feature It is：The connecting plate（8）For square block structure, encoder bore is provided with（15）, for placing encoder.
- It is 3. according to claim 1 a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, its feature It is：The clamping plate（9）It is provided with positioning hole（17）And V-shaped groove（16）, the clamping plate（9）Pass through positioning hole（17）Installed in institute State screw bolt-type outer ring and roll assembly（10）On, the V-shaped groove（16）Angle is arranged to 120 °.
- It is 4. according to claim 1 a kind of for Circular gratings and the grating expanding unit of encoder spindle mounted, its feature It is：The connecting shaft（6）For quality of rubber materials, connecting hole is provided with（19）With the taper surface being consistent with encoder inner hole of spindle （18）, the connecting hole（19）With the stepper motor（3）Output axis connection, in the stepper motor（3）Drive under drive Dynamic encoder main shaft realizes gyration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228810.1U CN206627130U (en) | 2017-03-10 | 2017-03-10 | It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228810.1U CN206627130U (en) | 2017-03-10 | 2017-03-10 | It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206627130U true CN206627130U (en) | 2017-11-10 |
Family
ID=60210064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720228810.1U Expired - Fee Related CN206627130U (en) | 2017-03-10 | 2017-03-10 | It is a kind of to be used for Circular gratings and the grating expanding unit of encoder spindle mounted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206627130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613692A (en) * | 2018-04-25 | 2018-10-02 | 重庆大学 | Experimental bench fast compressing device |
| CN109945909A (en) * | 2017-12-21 | 2019-06-28 | 上海安浦鸣志自动化设备有限公司 | A kind of encoder accuracy detection device |
-
2017
- 2017-03-10 CN CN201720228810.1U patent/CN206627130U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945909A (en) * | 2017-12-21 | 2019-06-28 | 上海安浦鸣志自动化设备有限公司 | A kind of encoder accuracy detection device |
| CN108613692A (en) * | 2018-04-25 | 2018-10-02 | 重庆大学 | Experimental bench fast compressing device |
| CN108613692B (en) * | 2018-04-25 | 2020-06-23 | 重庆大学 | Quick pressing device for experiment table |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20180310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |