CN107131854B - A kind of clamping device of friction lever transmission - Google Patents
A kind of clamping device of friction lever transmission Download PDFInfo
- Publication number
- CN107131854B CN107131854B CN201710507859.5A CN201710507859A CN107131854B CN 107131854 B CN107131854 B CN 107131854B CN 201710507859 A CN201710507859 A CN 201710507859A CN 107131854 B CN107131854 B CN 107131854B
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- China
- Prior art keywords
- guide rail
- deep groove
- groove ball
- ball bearing
- mandril
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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 devices of friction lever transmission, including cabinet and the V shaped wheel component and clamp system that are installed on the cabinet, the clamp system includes straight-line guide rail slide block, biserial deep groove ball bearing, plain radial bearing, mandril and screw shell, the straight-line guide rail slide block is fixed on the cabinet upper end, the biserial deep groove ball bearing is fixed on guide rail one end on the straight-line guide rail slide block, the plain radial bearing is sticked in the mandril, the mandril is movably installed in the screw shell, disk spring is arranged with outside the mandril and the disk spring is placed between the mandril and the screw shell, the screw shell is threadedly coupled with the threaded block on the cabinet, the plain radial bearing is set to hold out against the guide rail, and then match the biserial deep groove ball bearing with the V shaped wheel component Co-clip is tightly used for the optical axis being driven.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 machinery fields of other medium and small burden requirements, especially relate to
And a kind of clamping device of friction lever transmission.
Background technique
Friction lever is driven without hysterisis error, and structure is simple, at low cost, is a kind of 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 transmission foreign countries 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 restricts the raising of transmission accuracy in friction lever transmission, it is by the cooperation between machined surface
It realizes good guiding performance, requires the machining accuracy of machined surface very high at this time；Friction lever itself is manufactured there are error, installation
There is also errors for V shaped wheel and biserial deep groove ball bearing, and in the process of running, the force of sliding friction of mating surface is larger, will cause interior
Stress is excessive, and operation has some setbacks, and generates air-flotation system compared with large disturbances, to reduce measuring machine precision.
If will have gap between mating surface in addition, mating surface can be slided, between the direction of motion can have return
Gap, this seriously affects the measurement accuracy of measuring machine.
Summary 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 problems, the present invention provides a kind of friction lever transmission clamping device, including cabinet with
And it is installed on V shaped wheel component and clamp system on the cabinet, the clamp system includes straight-line guide rail slide block, biserial zanjon
Ball bearing, plain radial bearing, mandril and screw shell, the straight-line guide rail slide block is fixed on the cabinet upper end, described
Biserial deep groove ball bearing is fixed on guide rail one end on the straight-line guide rail slide block, and the plain radial bearing is sticked in the top
In bar, the mandril is movably installed in the screw shell, and disk spring and the disk spring are arranged with outside the mandril
It is placed between the mandril and the screw shell, the screw shell is threadedly coupled with the threaded block on the cabinet, makes institute
It states plain radial bearing and holds out against the guide rail, and then the biserial deep groove ball bearing and the V shaped wheel component is made to be matched for clamping tightly use
In the optical axis of transmission.
Preferably, the clamping device further includes servo motor, the servo motor be set to the cabinet lower end and with institute
State the transmission connection of V shaped wheel component.
Preferably, the V shaped wheel component includes driven wheel, V shaped wheel and deep groove ball bearing, and the driven wheel is set to described
Long axis one end of V shaped wheel, sets that there are two deep groove ball bearings on the long axis between the driven wheel and the V shaped wheel, described in two
Deep groove ball bearing constitutes the rolling support of V shaped wheel and is set in the cabinet, is movably arranged at the driven wheel and V shaped wheel respectively
The lower end and upper end of the cabinet, the driven wheel are connected by the capstan drive being arranged on synchronous belt and the servo motor shaft
It connects, the V shaped wheel and the biserial deep groove ball bearing clamp the optical axis.
Preferably, washer is equipped between the biserial deep groove ball bearing and the guide rail.
Preferably, the guide rail is equipped with stepped hole, is equipped with mandrel in the stepped hole, the biserial deep groove ball bearing and
Washer is fixed on the guide rail by the mandrel.
Preferably, the clamp system further includes the nut with screw shell cooperation, and the screw shell is installed on
With the nut check after the threaded block.
Preferably, interior hexagonal hole is equipped on the outside of the screw shell.
Preferably, the guide rail is wide amplitude type linear guide.
Compared with prior art, the invention has the following beneficial effects:
(1) guiding performance for the wide amplitude type linear guide that the present invention uses is good, keeps the clamping movement of clamp system smooth；
(2) wide amplitude type linear guide bears lateral force and gapless, when V shaped wheel component being made to transmit past renaturation axial load
There is no axial return gaps；
(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 the way that disk spring cooperation is arranged between mandril and screw shell, there is biserial deep groove ball bearing
Certain amount of floating, avoids the other strength phenomenon of installation and foozle generation, and keeps constant clamping force, avoids driving
Power fluctuation, improves transmission accuracy；
(5) straight-line guide rail slide block is matured product in the market, greatly reduces the required precision to parts machining, is contracted
Short machining period, improves production efficiency.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings:
Fig. 1 is the schematic diagram of the clamping device of embodiment friction lever transmission；
Fig. 2 is the top view of the clamping device of embodiment friction lever transmission；
Fig. 3 is the cross-sectional view of the clamping device of embodiment friction lever transmission.
In figure: 1, cabinet；2, V shaped wheel；3, driven wheel；4, screw shell；5, mandril；6, washer；7, mandrel；8, V shaped wheel
Component；9, straight-line guide rail slide block；10, guide rail；11, plain radial bearing；12, nut；13, biserial deep groove ball bearing；14, zanjon
Ball bearing；15, threaded block；16, hexagon socket cap head screw；17, butterfly spring；18, big brazier head screw；19, interior hexagonal hole；
20, optical axis.
Specific embodiment
In order to more fully understand technology contents of the invention, below in conjunction with attached drawing and specific embodiment to the present invention
It is described further and illustrates.
Embodiment
As shown in Figure 1 to Figure 3, a kind of clamping device of friction lever transmission shown in the present embodiment, including cabinet 1 and peace
Loaded on V shaped wheel component 8, clamp system and the servo motor (being not drawn into figure) on cabinet 1, servo motor is set to 1 lower end of cabinet
And be sequentially 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, mandril 5 and screw shell 4 are held, straight-line guide rail slide block 9 is fixed on 1 upper end of cabinet by hexagon socket cap head screw 16, double
Column deep groove ball bearing 13 is fixed on 10 one end of guide rail on straight-line guide rail slide block 9, and plain radial bearing 11 is sticked in mandril 5,
Mandril 5 is movably installed in screw shell 4, is arranged with disk spring 17 outside mandril 5 and disk spring 17 is placed in mandril 5 and screw thread
Between sleeve 4, mandril 5 to disk spring 17 have guiding role, the outer ring of screw shell 4 be screw thread and with the spiral shell on cabinet 1
The connection installation of 15 matching thread of line seat, makes plain radial bearing 11 hold 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, avoid screw shell 4 and its
Mounting hole foozle causes pressure and 10 direction of motion of guide rail to deviate, and causes the damage to guide rail 10.
In the present embodiment, V shaped wheel component 8 includes driven wheel 3, V shaped wheel 2 and deep groove ball bearing 14, and driven wheel 3 is set to V
Long axis one end of type wheel 2, sets that there are two deep groove ball bearing 14, two deep-groove ball axis on the long axis between driven wheel 3 and V shaped wheel 2
It holds the rolling support of 14 composition V shaped wheels 2 and is set to upper and lower side in cabinet 1, driven wheel 3 and V shaped wheel 2 is made to be movably arranged at cabinet respectively
1 lower end and upper end, driven wheel 3 connects by the capstan drive being arranged on synchronous belt and servo motor shaft, V shaped wheel 2 with pair
Column deep groove ball bearing 13 clamps optical axis 20.
In the present embodiment, washer 6 is equipped between biserial deep groove ball bearing 13 and guide rail 10；Guide rail 10 is equipped with stepped hole,
It is equipped with mandrel 7 in stepped hole, is equipped with threaded hole on the outside of mandrel 7, biserial deep groove ball bearing 13 and washer 6 are sheathed on mandrel 7, and
Cooperated by big brazier head screw 18 with the threaded hole on mandrel 7 and biserial deep groove ball bearing 13 and washer 6 are fixed on guide rail 10；
The center of biserial deep groove ball bearing can be adjusted by replacing the washer 6 of different-thickness, make the axially symmetric face of V shaped wheel
Within a certain range among two column ball of biserial deep groove ball bearing, without influencing biserial deep groove ball bearing rotation precision.
In the present embodiment, clamp system further includes the nut 12 cooperated with screw shell 4, and screw shell 4 is installed on screw thread
It is locked after seat 15 with nut 12, screw shell 4 is avoided to loosen.
In the present embodiment, interior hexagonal hole 19 is equipped on the outside of screw shell 4, for adjusting the position of screw shell and then adjusting
The elasticity of clamp system；Guide rail is wide amplitude type linear guide.
In the present invention, when in use, first come loose clamp system nut, then backward with the die nut cooperated with interior hexagonal hole
Adjust screw shell position, optical axis is placed between V shaped wheel and biserial deep groove ball bearing later, then with allen wrench to
Before tighten screw shell, screw shell transfers force to butterfly spring, and butterfly spring passes to mandril, and mandril passes to centripetal pass
Bearings, plain radial bearing push guide rail to move forward again, and guide rail drives biserial deep groove ball bearing to squeeze optical axis, and and V again
Type wheel, which cooperates, realizes clamping function, with nut is tightened after screw shell arrival suitable position, screw shell is avoided to loosen.
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above embodiments is only applicable to help to understand this
The principle of inventive embodiments；At the same time, for those skilled in the art, according to an embodiment of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (8)
1. a kind of clamping device of friction lever transmission, it is characterised in that: including cabinet and the V shaped wheel being installed on the cabinet
Component and clamp system, the clamp system include straight-line guide rail slide block, biserial deep groove ball bearing, plain radial bearing, mandril
And screw shell, the straight-line guide rail slide block are fixed on the cabinet upper end, 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 are sticked in the mandril, and the mandril is movably installed in
In the screw shell, disk spring is arranged with outside the mandril and the disk spring is placed in the mandril and the thread bush
Between cylinder, the screw shell is threadedly coupled with the threaded block on the cabinet, and the plain radial bearing is made to hold out against described lead
Rail, and then the biserial deep groove ball bearing and the V shaped wheel component is made to be matched for clamping tightly the optical axis for transmission.
2. the clamping device of friction lever transmission according to claim 1, it is characterised in that: it further include servo motor, it is described
Servo motor is set to the cabinet lower end and is sequentially connected with the V shaped wheel component.
3. the clamping device of friction lever according to claim 2 transmission, it is characterised in that: the V shaped wheel component include from
Driving wheel, V shaped wheel and deep groove ball bearing, the driven wheel are set to long axis one end of the V shaped wheel, the driven wheel and the V
It is set on long axis between type wheel there are two deep groove ball bearing, two deep groove ball bearings constitute the rolling support of V shaped wheel and set
In so that the driven wheel and V shaped wheel is movably arranged at the cabinet respectively lower end and upper end, the driven wheel is logical
It crosses the capstan drive being arranged on synchronous belt and the servo motor shaft to connect, the V shaped wheel and the biserial deep groove ball bearing
Clamp the optical axis.
4. the clamping device of friction lever according to claim 1 transmission, it is characterised in that: the biserial deep groove ball bearing with
Washer is equipped 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 equipped with ladder
Hole is equipped with mandrel in the stepped hole, and the biserial deep groove ball bearing and washer are fixed on the guide rail by the mandrel.
6. the clamping device of friction lever according to claim 1 transmission, it is characterised in that: the clamp system further include with
The nut of screw shell cooperation, the screw shell are installed on after the threaded block with the nut check.
7. the clamping device of friction lever transmission according to claim 1, it is characterised in that: be equipped on 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 CN107131854A (en) | 2017-09-05 |
| CN107131854B true CN107131854B (en) | 2019-07-09 |
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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) |
Families Citing this family (1)
| 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 |
Citations (6)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10236239B4 (en) * | 2002-08-07 | 2012-05-16 | Vistec Semiconductor Systems Gmbh | Coordinate measuring table |
-
2017
- 2017-06-28 CN CN201710507859.5A patent/CN107131854B/en active Active
Patent Citations (6)
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN107131854A (en) | 2017-09-05 |
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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. |
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