CN201351718Y - Float type friction driving device - Google Patents
Float type friction driving device Download PDFInfo
- Publication number
- CN201351718Y CN201351718Y CNU2008202128438U CN200820212843U CN201351718Y CN 201351718 Y CN201351718 Y CN 201351718Y CN U2008202128438 U CNU2008202128438 U CN U2008202128438U CN 200820212843 U CN200820212843 U CN 200820212843U CN 201351718 Y CN201351718 Y CN 201351718Y
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- China
- Prior art keywords
- friction
- driven roller
- spring
- unsteady
- substrate
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- Expired - Lifetime
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Abstract
The utility model provides a float type friction driving device, which is adaptable to the field of friction driving devices. The float type friction driving device comprises a mounting base, the mounting base is equipped with a motor for providing power, a friction roller rotating driven by the motor, a first driven roller wheel and a floating component, the first driven roller wheel is arranged on the floating component, an interval is arranged between the friction roller and the first driven roller wheel for a friction rod to pass through, the float type friction driving device is further equipped with a second floating base plate which is connected with the mounting base via a flexible hinge chain, and the motor, the friction roller, the first driven roller wheel and the floating component are all placed on the second floating base plate. The float type friction driving device can be widely applied to equipment utilizing friction driving devices, and is particularly adaptable to equipment having relatively high requirements on precision of the friction driving devices.
Description
Technical field
The utility model belongs to the friction drive device field, relates in particular to a kind of floating type friction drive device.
Background technique
On the straight line motion locating platform, people are converted in traditional rotatablely moving and have adopted the running shaft friction drive device vertical with moving direction on the straight-line device.This friction driving has obtained using widely owing to respond well.But, when making director element at guiding pairs with precision, when leading with the pneumatic bearing guide rail, parallelism to the guide rail of friction lever and moving platform requires very high, there is precision not reach the requirement of setting slightly, just might influence Location accuracy, reduce working life because friction lever and the not parallel moving element that causes of moving platform block.
And to improve these parallelism, and needing accurate processing and the adjustment that displays consummate skill, such requirement causes cost to rise, and, when precision acquires a certain degree, also be difficult to satisfy actual usage requirement by processing and adjustment.So people have been developed floating type structure, eliminate because the not parallel problem that causes of friction lever and guide rail.The use bearing that has is realized the swing type floating structure as the rotating shaft turning member, and the use guide rail slide block pair that has realizes the floating structure of rectilinearly-movable.But these common floating structures have following shortcoming: 1, because bearing pair or guide rail slide block pair are arranged, parts rigidity descends, and the dynamic performance when causing the system location descends; 2, the parts of Xu Yaoing are more, and institute takes up space bigger; 3, processing and matching requirements are higher, cause cost to rise.
The model utility content
The purpose of this utility model is to provide a kind of floating type friction drive device, and the dynamic performance deficiency needs component more, processing and matching requirements problem of higher when being intended to solve the friction drive device location that exists in the prior art.
The utility model is to realize like this, a kind of floating type friction drive device, comprise a mounting base, described mounting base is provided with the motor that is used to provide power, friction roll by described driven by motor rotation, first driven roller and unsteady assembly, described first driven roller places on the assembly that floats, between the friction roll and first driven roller, be provided with the spacing of passing through for friction lever, this device also offers the second unsteady substrate, the described second unsteady substrate is connected described motor with flexible hinge with mounting base, friction roll, first driven roller and the assembly that floats all place on the second unsteady substrate.
Owing to adopt this technological scheme, when reaching fully, the parallelism of the guide rail of friction lever and moving platform do not set when requiring, second substrate that floats that the utility model is offered just can done corresponding small size mobile with the perpendicular direction of friction lever moving direction, to regulate the parallelism between friction lever and the moving platform, make it reach the setting requirement, therefore the dynamic performance of floating type friction drive device can significantly improve.This apparatus structure is simple, manufacturing process is simple, working stability, manufacturing and maintenance cost are low, and bigger use value is arranged.
Description of drawings
Fig. 1 is the schematic top plan view of the floating type friction drive device that provides of the utility model embodiment.
Fig. 2 is the schematic perspective view of the floating type friction drive device that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1 and Fig. 2, the floating type friction drive device of the utility model comprises mounting base 10, motor 2, friction roll 6, first driven roller 3 and unsteady assembly.Wherein, mounting base 10 is the cuboid pedestal, is used for the installation of miscellaneous part; On this mounting base 10, offer the second unsteady substrate 12, the described second unsteady substrate 12 is to cut out a rectangular substrate with wire electric discharge on mounting base 10, cut out four flexible hinges on this rectangular substrate, the second unsteady substrate 12 is connected with four flexible hinges of mounting base 10 usefulness.Wherein, the arrangement direction of four flexible hinges is all consistent with the traffic direction of friction lever 8, and therefore, the second unsteady substrate 12 vertically traffic direction of friction lever 8 is done small moving.Described motor 2, friction roll 6, first driven roller 3 and unsteady assembly all place on the second unsteady substrate.
Motor 2 is installed in the below of the second unsteady substrate 12, and this motor 2 is the moment actuating motor, also can be the motor of stepper motor or other kinds, is used to floating type friction drive device that power is provided; Above the second unsteady substrate 12 friction roll 6 is installed, motor 2 output shafts pass the second unsteady substrate 12 and are connected with friction roll 6; First driven roller 3 places on the assembly that floats.Wherein, be useful on the spacing of passing through for friction lever 8 between first driven roller 3 and the friction roll 6, this spacing is corresponding with the friction lever size, friction lever 8 under the friction driving of friction roll 6 from then on spacing pass through.Described first driven roller 3 is on the straight line vertical with friction lever 8 moving direction with friction roll 6, and friction lever 8 just can not be because of the bending deflection with friction roll 6 staggered extruding of first driven roller 3 like this.
See also Fig. 1 and Fig. 2, unsteady assembly comprises first unsteady substrate of offering on the second unsteady substrate 12 110 and the spring assembly 70 that is installed on the second unsteady substrate 12, wherein, the first unsteady substrate 110 and the second unsteady substrate 12 usefulness flexible hinges 111 are connected, and the spring assembly 70 and the first unsteady substrate 110 contact mutually.The described first unsteady substrate 110 is to cut out a rectangular substrate with wire electric discharge on the second unsteady substrate 12, also cutting out flexible hinge 111, the first at first end that floats substrate 110 floats and is connected with flexible hinge 110 between substrates 110 and the second unsteady substrate 12.Substrate 12 disconnects substantially because first periphery and second that floats substrate 110 floats, the first unsteady substrate 110 only is connected, so can be that fulcrum is done small size moving in the gap that spark-erosion wire cutting goes out with flexible hinge 111 by the flexible hinge 111 and the second unsteady substrate 12.
See also Fig. 1 and Fig. 2, described spring assembly 70 comprises spring 71, be used for the spring axle sleeve 72 of mounting spring 71 and be used for fixing the screw 73 of spring.Described spring axle sleeve 72 places spring 71 inner rings, to prevent spring bending owing to compressive strain; Screw is fixed on spring axle sleeve and spring on the second unsteady substrate 12 by the circular hole (not shown) that the first unsteady substrate 110 is provided with.Spring 71 is provided with certain predeformation amount when mounted, and spring 71 just just has certain precompression to the first unsteady substrate 110 of contact with it like this, and the predeformation amount of spring 71 is big more, and its precompression to the first unsteady substrate 110 is also just big more.
See also Fig. 1 and Fig. 2, float second that substrate 12 is provided with second driven roller 4 and the 3rd driven roller 5, the second driven rollers 4 closely contact with the angle of friction roll 6 with setting with the 3rd driven roller 5, they rotate along with the rotation of friction roll 6.When friction lever 8 passes through the utility model, first driven roller 3 that 71 pairs on spring is in contact with one another, friction lever 8 and friction roll 6 apply certain precompression, this pressure may cause friction roll 6 distortion, be provided with second driven roller 4 on friction roll 6 next doors and the 3rd driven roller 5 can sustain this pressure, thereby prevent that effectively friction roll 6 is owing to the pressure of spring 71 is out of shape, and because second driven roller 4 closely contacts with the angle of setting with friction roll 6 with the 3rd driven roller 5, can be friction roll provides the reaction force when promoting the friction lever straight line motion to support, and makes friction roll not have backlass when promoting the friction lever straight line motion.
When friction lever 8 runs to the floating type friction drive device of the utility model, under the effect of the precompression of the rotation of friction roll 6 and spring 71, first driven roller 3, second driven roller 4 and the 3rd driven roller 5 are clamped friction roll 6 and friction lever 8 with certain precompression, motor 2 drives friction roll 6 and rotates, frictional force will rotatablely move and be converted into straight line motion between friction roll 6 utilizations and the friction lever 8, promote the friction lever straight line motion, meanwhile, under the effect of frictional force, first driven roller rotates along with the straight line motion of friction lever, and second, the 3rd driven roller 4,5 are also following the rotation of friction roll 6 and are rotating.
When friction lever 8 occurs with motion guide rail not parallelly by smoothly the time, first substrate 110 and second substrate 12 that floats that floats will also can pass through friction lever 8 doing corresponding slightly moving with the Vertical direction of friction lever 8 operations smoothly.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1, a kind of floating type friction drive device, comprise a mounting base, described mounting base is provided with the motor that is used to provide power, friction roll by described driven by motor rotation, first driven roller and unsteady assembly, described first driven roller places on the assembly that floats, between the friction roll and first driven roller, be provided with the spacing of passing through for friction lever, it is characterized in that: also offer the second unsteady substrate, the described second unsteady substrate is connected described motor with flexible hinge with mounting base, friction roll, first driven roller and the assembly that floats all place on the second unsteady substrate.
2, floating type friction drive device as claimed in claim 1, it is characterized in that: described unsteady assembly is included in first unsteady substrate of offering on the second unsteady substrate and the spring assembly that is installed on the second unsteady substrate, wherein, the first unsteady substrate and the second unsteady substrate are connected with flexible hinge, and the spring assembly and the first unsteady substrate contact mutually.
3, floating type friction drive device as claimed in claim 2, it is characterized in that: described spring assembly comprises spring, is used for the spring axle sleeve and the spring mountings of mounting spring, described spring shaft is placed on the spring inner ring, and spring mountings is fixed on spring axle sleeve and spring on the second unsteady substrate.
4, floating type friction drive device as claimed in claim 1 is characterized in that: also be provided with second driven roller and the 3rd driven roller on the described second unsteady substrate, described second driven roller contacts with friction roll respectively mutually with the 3rd driven roller.
5, floating type friction drive device as claimed in claim 1 is characterized in that: described motor is moment actuating motor or stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128438U CN201351718Y (en) | 2008-10-27 | 2008-10-27 | Float type friction driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128438U CN201351718Y (en) | 2008-10-27 | 2008-10-27 | Float type friction driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351718Y true CN201351718Y (en) | 2009-11-25 |
Family
ID=41375105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202128438U Expired - Lifetime CN201351718Y (en) | 2008-10-27 | 2008-10-27 | Float type friction driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201351718Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234505A (en) * | 2016-03-04 | 2017-10-10 | 邵伟 | Floating type grinding special equipment |
-
2008
- 2008-10-27 CN CNU2008202128438U patent/CN201351718Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234505A (en) * | 2016-03-04 | 2017-10-10 | 邵伟 | Floating type grinding special equipment |
| CN107257186A (en) * | 2016-03-04 | 2017-10-17 | 邵伟 | Speed lapping is equipped |
| CN107276336A (en) * | 2016-03-04 | 2017-10-20 | 邵伟 | The grinder being servo-actuated based on dynamics |
| CN107276335A (en) * | 2016-03-04 | 2017-10-20 | 邵伟 | The intelligent grinding production equipment of rotor |
| CN107294316A (en) * | 2016-03-04 | 2017-10-24 | 邵伟 | The intelligent grinding apparatus of automatic mechanics compensation |
| CN107378762A (en) * | 2016-03-04 | 2017-11-24 | 邵伟 | High efficient grinding equipment |
| CN107294316B (en) * | 2016-03-04 | 2018-12-04 | 盐城协同机械有限公司 | The intelligent grinding apparatus of automatic mechanics compensation |
| CN107276335B (en) * | 2016-03-04 | 2018-12-28 | 浙江力久电机股份有限公司 | The intelligent grinding production equipment of rotor |
| CN107276336B (en) * | 2016-03-04 | 2018-12-28 | 京山新瑞达通用机器有限公司 | The grinder being servo-actuated based on dynamics |
| CN107378762B (en) * | 2016-03-04 | 2019-01-11 | 浙江爱鑫电子科技有限公司 | High efficient grinding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QINGYI PRECISION MASKMAKING (SHENZHEN) CO., LTD. Free format text: FORMER NAME: SHENZHEN QINGYI PRECISION MASKMAKING CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Two road high tech Industrial Zone in Shenzhen city Guangdong province 518057 North Song Ping Lang mountain No. 8 Patentee after: Qingyi Precision Maskmaking (Shenzhen) Co., Ltd. Address before: Two road high tech Industrial Zone in Shenzhen city Guangdong province 518057 North Song Ping Lang mountain No. 8 Patentee before: Qingyi Precision Mask Making (Shenzhen) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091125 |