CN107131854A - A kind of clamping device of friction lever transmission - Google Patents
A kind of clamping device of friction lever transmission Download PDFInfo
- Publication number
- CN107131854A CN107131854A CN201710507859.5A CN201710507859A CN107131854A CN 107131854 A CN107131854 A CN 107131854A CN 201710507859 A CN201710507859 A CN 201710507859A CN 107131854 A CN107131854 A CN 107131854A
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- CN
- China
- Prior art keywords
- guide rail
- deep groove
- groove ball
- clamping device
- shaped wheel
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of clamping device of friction lever transmission, including casing and the V shaped wheel component and clamp system that are installed on the casing, the clamp system includes straight-line guide rail slide block, biserial deep groove ball bearing, plain radial bearing, push rod and screw shell, the straight-line guide rail slide block is fixed on the casing upper end, guide rail one end that the biserial deep groove ball bearing is fixed on the straight-line guide rail slide block, the plain radial bearing is sticked in the push rod, the push rod is movably installed in the screw shell, disk spring is arranged with outside the push rod and the disk spring is placed between the push rod and the screw shell, the screw shell is threadedly coupled with the threaded block on the casing, the plain radial bearing is set to hold out against the guide rail, and then the biserial deep groove ball bearing is matched for clamping tightly the optical axis for transmission with the V shaped wheel component.The clamping device being driven using friction lever of the present invention, can effectively improve the transmission accuracy of friction lever transmission.
Description
Technical field
The present invention relates to three coordinate measuring machine or the pinpoint measurement mechanical field of other medium and small burden requirements, especially relate to
And a kind of clamping device of friction lever transmission.
Background technology
Friction lever is driven without hysterisis error, and simple in construction, cost is low, is that one kind is applied to the pinpoint survey of middle Smaller load
Measure equipment the outstanding kind of drive, but friction lever transmission apply at present it is fewer, have using friction lever be driven external three seat
Co-ordinate measuring machine company is being changed to other kinds of drive, such as toothed belt transmission or ball-screw-transmission.
Traditional clamp system governs the raising of transmission accuracy in friction lever transmission, and it relies on the cooperation between machined surface
To realize good guidance quality, now require that the machining accuracy of machined surface is very high；Friction lever is manufactured in itself has error, installation
V shaped wheel and biserial deep groove ball bearing are there is also error, and in the process of running, the force of sliding friction of mating surface is larger, can cause interior
Stress is excessive, and operation has some setbacks, and air-flotation system is produced compared with large disturbances, so as to reduce measuring machine precision.
If in addition, mating surface can be slided, will there is gap between mating surface, between the direction of motion can have return
Gap, this has a strong impact on the measurement accuracy of measuring machine.
The content of the invention
The present invention provides a kind of clamping device of friction lever transmission, can effectively improve the transmission accuracy of friction lever transmission.
In order to solve the above-mentioned technical problem, the invention provides a kind of friction lever transmission clamping device, including casing with
And V shaped wheel component and clamp system on the casing are installed on, the clamp system includes straight-line guide rail slide block, biserial zanjon
Ball bearing, plain radial bearing, push rod and screw shell, the straight-line guide rail slide block are fixed on the casing upper end, described
Guide rail one end that biserial deep groove ball bearing is fixed on the straight-line guide rail slide block, the plain radial bearing is sticked in the top
In bar, the push rod is movably installed in the screw shell, and disk spring and the disk spring are arranged with outside the push rod
It is placed between the push rod and the screw shell, the screw shell is threadedly coupled with the threaded block on the casing, makes institute
State plain radial bearing and hold out against the guide rail, and then the biserial deep groove ball bearing is matched for clamping tightly use with the V shaped wheel component
In the optical axis of transmission.
Preferably, the clamping device also include servomotor, the servomotor located at the casing lower end and with institute
State the drive connection of V shaped wheel component.
Preferably, the V shaped wheel component includes driven pulley, V shaped wheel and deep groove ball bearing, and the driven pulley is located at described
Major axis one end of V shaped wheel, the major axis between the driven pulley and the V shaped wheel is provided with two deep groove ball bearings, described in two
Deep groove ball bearing constitutes the rolling support of V shaped wheel and in the casing, the driven pulley and V shaped wheel is movably arranged at respectively
The lower end and upper end of the casing, the driven pulley are connected by the capstan drive set on timing belt and the servo motor shaft
Connect, the V shaped wheel clamps the optical axis with the biserial deep groove ball bearing.
Preferably, packing ring is provided between the biserial deep groove ball bearing and the guide rail.
Preferably, the guide rail is provided with shoulder hole, is provided with mandrel in the shoulder hole, the biserial deep groove ball bearing and
Packing ring is fixed on the guide rail by the mandrel.
Preferably, the clamp system also includes the nut coordinated with the screw shell, and the screw shell is installed on
The nut check is used after the threaded block.
Preferably, it is provided with interior hexagonal hole on the outside of the screw shell.
Preferably, the guide rail is wide amplitude type line slideway.
Compared with prior art, the present invention has the advantages that：
(1) guidance quality for the wide amplitude type line slideway that the present invention is used is good, makes the clamping movement of clamp system smooth；
(2) wide amplitude type line slideway bears side force and gapless, when making V shaped wheel component passes toward renaturation axial load
In the absence of axial return gap；
(3) pinch wheels in clamp system use biserial deep groove ball bearing, and outer race running accuracy is high, and carrying is big；
(4) installation is combined by setting disk spring to coordinate between push rod and screw shell, there is biserial deep groove ball bearing
Certain amount of floating, it is to avoid the other strength phenomenon that installation and foozle are produced, make clamping force keep constant again, it is to avoid driving
Power fluctuation, improves transmission accuracy；
(5) straight-line guide rail slide block is in the market matured product, greatly reduces the required precision to parts machining, is contracted
Short machining period, improves production efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings：
Fig. 1 is the schematic diagram for the clamping device that embodiment friction lever is driven；
Fig. 2 is the top view for the clamping device that embodiment friction lever is driven；
Fig. 3 is the sectional view for the clamping device that embodiment friction lever is driven.
In figure：1st, casing；2nd, V shaped wheel；3rd, driven pulley；4th, screw shell；5th, push rod；6th, packing ring；7th, mandrel；8th, V shaped wheel
Component；9th, straight-line guide rail slide block；10th, guide rail；11st, plain radial bearing；12nd, nut；13rd, biserial deep groove ball bearing；14th, zanjon
Ball bearing；15th, threaded block；16th, hexagon socket cap head screw；17th, butterfly spring；18th, big brazier head screw；19th, interior hexagonal hole；
20th, optical axis.
Embodiment
In order to more fully understand the technology contents of the present invention, below in conjunction with accompanying drawing and specific embodiment to the present invention
It is described further and illustrates.
Embodiment
As shown in Figure 1 to Figure 3, the clamping device of a kind of friction lever transmission shown in the present embodiment, including casing 1 and peace
Loaded on the V shaped wheel component 8 on casing 1, clamp system and servomotor (being not drawn into figure), servomotor is located at the lower end of casing 1
And be connected with V shaped wheel component 8, clamp system includes straight-line guide rail slide block 9, biserial deep groove ball bearing 13, centripetal joint shaft
11, push rod 5 and screw shell 4 are held, straight-line guide rail slide block 9 is fixed on the upper end of casing 1 by hexagon socket cap head screw 16, double
One end of guide rail 10 that row deep groove ball bearing 13 is fixed on straight-line guide rail slide block 9, plain radial bearing 11 is sticked in push rod 5,
Push rod 5 is movably installed in screw shell 4, is arranged with disk spring 17 outside push rod 5 and disk spring 17 is placed in push rod 5 and screw thread
Between sleeve 4, push rod 5 has guide effect to disk spring 17, the outer ring of screw shell 4 be screw thread and with the spiral shell on casing 1
Line seat 15 matching threads connection is installed, and plain radial bearing 11 is held out against guide rail 10, and then make biserial deep groove ball bearing 13 and V-type
Wheel assembly 8 is matched for clamping tightly the optical axis 20 for transmission；Plain radial bearing 11 have aligning effect, it is to avoid screw shell 4 and its
Mounting hole foozle causes pressure to be offset with the direction of motion of guide rail 10, causes the damage to guide rail 10.
In the present embodiment, V shaped wheel component 8 includes driven pulley 3, V shaped wheel 2 and deep groove ball bearing 14, and driven pulley 3 is located at V
Major axis one end of type wheel 2, the major axis between driven pulley 3 and V shaped wheel 2 is provided with two deep groove ball bearings 14, two deep-groove ball axles
Hold the rolling support of 14 composition V shaped wheels 2 and located at upper and lower side in casing 1, driven pulley 3 and V shaped wheel 2 is movably arranged at casing respectively
1 lower end and upper end, driven pulley 3 is connected by timing belt with the capstan drive set on servo motor shaft, V shaped wheel 2 with it is double
Row deep groove ball bearing 13 clamps optical axis 20.
In the present embodiment, packing ring 6 is provided between biserial deep groove ball bearing 13 and guide rail 10；Guide rail 10 is provided with shoulder hole,
Mandrel 7 is provided with shoulder hole, the outside of mandrel 7 is provided with screwed hole, and biserial deep groove ball bearing 13 and packing ring 6 are sheathed on mandrel 7, and
Coordinated by the screwed hole on big brazier head screw 18 and mandrel 7 and biserial deep groove ball bearing 13 and packing ring 6 are fixed on guide rail 10；
The center of biserial deep groove ball bearing can be adjusted by changing the packing ring 6 of different-thickness, make the axially symmetric face of V shaped wheel
Within certain limit in the middle of the row ball of biserial deep groove ball bearing two, without influenceing biserial deep groove ball bearing rotation precision.
In the present embodiment, clamp system also includes the nut 12 coordinated with screw shell 4, and screw shell 4 is installed on screw thread
Locked after seat 15 with nut 12, it is to avoid screw shell 4 loosens.
In the present embodiment, the outside of screw shell 4 is provided with interior hexagonal hole 19, position and then regulation for adjusting screw shell
The elasticity of clamp system；Guide rail is wide amplitude type line slideway.
In the present invention, when in use, first come loose clamp system nut, then with the die nut coordinated with interior hexagonal hole backward
Adjust screw shell position, optical axis is placed between V shaped wheel and biserial deep groove ball bearing afterwards, then with inner hexagon spanner to
Before tighten screw shell, screw shell transfers force to butterfly spring, and butterfly spring passes to push rod, and push rod passes to centripetal pass
Bearings, plain radial bearing again move forward by push rail, and guide rail drives biserial deep groove ball bearing to extrude optical axis, and and V again
Type wheel, which coordinates, realizes clamping function, and screw shell is reached after correct position with tightening nut, it is to avoid screw shell loosening.
The technical scheme provided above the embodiment of the present invention is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Simultaneously for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
It will change in formula and application, in summary, this specification content should not be construed as limiting the invention.
Claims (8)
1. a kind of clamping device of friction lever transmission, it is characterised in that：Including casing and the V shaped wheel being installed on the casing
Component and clamp system, the clamp system include straight-line guide rail slide block, biserial deep groove ball bearing, plain radial bearing, push rod
And screw shell, the straight-line guide rail slide block is fixed on the casing upper end, and the biserial deep groove ball bearing is fixed on described
Guide rail one end on straight-line guide rail slide block, the plain radial bearing is sticked in the push rod, and the push rod is movably installed in
In the screw shell, disk spring is arranged with outside the push rod and the disk spring is placed in the push rod and the thread bush
Between cylinder, the screw shell is threadedly coupled with the threaded block on the casing, the plain radial bearing is held out against described lead
Rail, and then the biserial deep groove ball bearing is matched for clamping tightly the optical axis for transmission with the V shaped wheel component.
2. the clamping device of friction lever transmission according to claim 1, it is characterised in that：Also include servomotor, it is described
Servomotor is connected located at the casing lower end and with the V shaped wheel component.
3. the clamping device of friction lever transmission according to claim 2, it is characterised in that：The V shaped wheel component include from
Driving wheel, V shaped wheel and deep groove ball bearing, the driven pulley are located at major axis one end of the V shaped wheel, the driven pulley and the V
Major axis between type wheel is provided with two deep groove ball bearings, and two deep groove ball bearings constitute the rolling support of V shaped wheel and set
In the driven pulley and V shaped wheel is movably arranged at the casing respectively lower end and upper end, the driven pulley leads to
The capstan drive that timing belt is crossed with being set on the servo motor shaft is connected, the V shaped wheel and the biserial deep groove ball bearing
Clamp the optical axis.
4. the clamping device of friction lever transmission according to claim 1, it is characterised in that：The biserial deep groove ball bearing with
Packing ring is provided between the guide rail.
5. the clamping device of friction lever transmission according to claim 4, it is characterised in that：The guide rail is provided with ladder
Mandrel is provided with hole, the shoulder hole, the biserial deep groove ball bearing and packing ring are fixed on the guide rail by the mandrel.
6. the clamping device of friction lever transmission according to claim 1, it is characterised in that：The clamp system also include with
The nut that the screw shell coordinates, the screw shell, which is installed on after the threaded block, uses the nut check.
7. the clamping device of friction lever transmission according to claim 1, it is characterised in that：It is provided with the outside of the screw shell
Interior hexagonal hole.
8. the clamping device of friction lever transmission according to claim 1, it is characterised in that：The guide rail is wide amplitude type straight line
Guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507859.5A CN107131854B (en) | 2017-06-28 | 2017-06-28 | A kind of clamping device of friction lever transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507859.5A CN107131854B (en) | 2017-06-28 | 2017-06-28 | A kind of clamping device of friction lever transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131854A true CN107131854A (en) | 2017-09-05 |
| CN107131854B CN107131854B (en) | 2019-07-09 |
Family
ID=59736516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710507859.5A Active CN107131854B (en) | 2017-06-28 | 2017-06-28 | A kind of clamping device of friction lever transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131854B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899956A (en) * | 2019-12-19 | 2020-03-24 | 广东凌丰五金装备科技股份有限公司 | Self-centering clamp with lifting function and working method thereof |
| CN112222249A (en) * | 2019-06-30 | 2021-01-15 | 合肥太通制冷科技有限公司 | Online unpowered aluminum pipe winding device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125754U (en) * | 1992-05-03 | 1992-12-23 | 国营青岛前哨机械厂 | Friction wheel type straight line moving mechanism |
| US20040027008A1 (en) * | 2002-08-07 | 2004-02-12 | Leica Microsystems Semiconductor Gmbh | Coordinate measuring stage |
| CN201293079Y (en) * | 2008-10-27 | 2009-08-19 | 清溢精密光电（深圳）有限公司 | Fixed form friction drive device |
| CN102328811A (en) * | 2011-08-10 | 2012-01-25 | 上海哲成汽车装备工程有限公司 | Sliding friction automatic transfer apparatus |
| CN202377617U (en) * | 2011-11-17 | 2012-08-15 | 江苏上汽汽车同步器厂 | Gear burr removal device |
| CN203670649U (en) * | 2014-01-14 | 2014-06-25 | 西安力德测量设备有限公司 | Clamping mechanism for light bar of coordinate measuring machine |
| CN205981155U (en) * | 2016-07-26 | 2017-02-22 | 大族激光科技产业集团股份有限公司 | Coordinate measuring machine's crossbeam polished rod tendency drive mechanism |
-
2017
- 2017-06-28 CN CN201710507859.5A patent/CN107131854B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125754U (en) * | 1992-05-03 | 1992-12-23 | 国营青岛前哨机械厂 | Friction wheel type straight line moving mechanism |
| US20040027008A1 (en) * | 2002-08-07 | 2004-02-12 | Leica Microsystems Semiconductor Gmbh | Coordinate measuring stage |
| CN201293079Y (en) * | 2008-10-27 | 2009-08-19 | 清溢精密光电（深圳）有限公司 | Fixed form friction drive device |
| CN102328811A (en) * | 2011-08-10 | 2012-01-25 | 上海哲成汽车装备工程有限公司 | Sliding friction automatic transfer apparatus |
| CN202377617U (en) * | 2011-11-17 | 2012-08-15 | 江苏上汽汽车同步器厂 | Gear burr removal device |
| CN203670649U (en) * | 2014-01-14 | 2014-06-25 | 西安力德测量设备有限公司 | Clamping mechanism for light bar of coordinate measuring machine |
| CN205981155U (en) * | 2016-07-26 | 2017-02-22 | 大族激光科技产业集团股份有限公司 | Coordinate measuring machine's crossbeam polished rod tendency drive mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 李圣怡等: "《精密和超精密机床设计理论与方法》", 31 October 2009, 国防科技大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222249A (en) * | 2019-06-30 | 2021-01-15 | 合肥太通制冷科技有限公司 | Online unpowered aluminum pipe winding device |
| CN110899956A (en) * | 2019-12-19 | 2020-03-24 | 广东凌丰五金装备科技股份有限公司 | Self-centering clamp with lifting function and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107131854B (en) | 2019-07-09 |
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Effective date of registration: 20220531 Address after: 518000 1st floor, building a, No.8 Huanzhen Road, Digang community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN LIHE PRECISION EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 518000 units 1501 and 1502, 15 / F, block C, Baoneng Science Park, Qinghu Industrial Park, Qingxiang Road, Longhua office, Longhua New District, Shenzhen, Guangdong Patentee before: SHENZHEN HUAQING PRECISION TECHNOLOGY Co.,Ltd. |