CN105729291A - Full-time floating device - Google Patents
Full-time floating device Download PDFInfo
- Publication number
- CN105729291A CN105729291A CN201610073991.5A CN201610073991A CN105729291A CN 105729291 A CN105729291 A CN 105729291A CN 201610073991 A CN201610073991 A CN 201610073991A CN 105729291 A CN105729291 A CN 105729291A
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- China
- Prior art keywords
- ball bearing
- self
- full
- aligning ball
- end cover
- Prior art date
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- Granted
Links
- 238000007667 floating Methods 0.000 title claims abstract description 48
- 238000009434 installation Methods 0.000 claims description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 231100000572 poisoning Toxicity 0.000 abstract 1
- 230000000607 poisoning effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 230000006978 adaptation Effects 0.000 description 5
- 241000272161 Charadriiformes Species 0.000 description 3
- BQYJATMQXGBDHF-UHFFFAOYSA-N difenoconazole Chemical compound O1C(C)COC1(C=1C(=CC(OC=2C=CC(Cl)=CC=2)=CC=1)Cl)CN1N=CN=C1 BQYJATMQXGBDHF-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/10—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a full-time floating device and belongs to the technical field of machining. The full-time floating device comprises a base provided with a central through hole, and an upper end cover. The base extends in the radial direction to form a plate body. The center of the bottom face of the plate body extends to form a clamping fixing end, and the center of the top face of the plate body extends to form a bearing table. A self-aligning ball bearing is installed in the bearing table. The middle portion of the upper end cover extends downwards to from a hollow shaft which is fixedly connected to an inner hole of the self-aligning ball bearing in an inserted manner. The outer circumferential ring of the upper end cover extends downwards to form a ferrule, and the lower end of the ferrule extends in the radial direction to form a skirt edge. Corresponding and circumferentially-distributed positioning concave parts are manufactured in the opposite surfaces of the plate body and the skirt edge. Floating springs are arranged between the corresponding poisoning concave parts of the plate body and the skirt edge. The full-time floating device has a function that three-dimensional floatation of a horizontal plane and three-dimensional floatation of angular errors can be corrected at the same time.
Description
Technical field
The present invention relates to a kind of device, especially a kind of full-time floating installation of honing, belong to Machining Technology field.
Background technology
Applicant feels all the time in long-term work is put into practice, during the honing operation of Central of the parts hole, it is difficult to ensure that workpiece center hole and honing lever are completely coaxial, therefore frequently cause that honing precision deviation is bigger, and honing precision also can change with the position difference of each clamping of operator, cannot stablize, make troubles to batch production.
Retrieve known, by floating, the device realizing centering is widely adopted, especially application number be 201310488471.7 Chinese patent application disclose a kind of cylinder floating honing fixture, very good with honing lever axiality eccentricity issues effect under parallel condition for solving workpiece.This device includes the universal floating chuck and the elastic top pressure device that are arranged on plover mill machine, universal floating chuck includes positioning floating internal ring and floating outer shroud, floating outer shroud inwall is provided with four uniform radial direction through hole of circumference, it is respectively equipped with axostylus axostyle in each radial direction through hole, wherein two axostylus axostyles being coaxially disposed are fixed axostyle, and other two axostylus axostyles being coaxially disposed are floating axostylus axostyle；Two fixed axostyles are fixed on plover mill machine, are respectively equipped with the first prestressed spring on two fixed axostyles, between floating outer shroud and plover mill machine；The inner of two floating axostylus axostyles is fixed on positioning floating internal ring lateral surface, is respectively equipped with the second prestressed spring on two floating axostylus axostyles, between floating outer shroud and positioning floating internal ring.But, owing to this device does not have angular degree of freedom substantially by the two-dimensional level edema over the face of four radial springs realizations is dynamic, therefore adaptability is limited.
Practice have shown that, honing lever central axis and workpiece centre axis can be caused to there is certain angular error owing to installing table top and the interplanar position error of device, therefore adopt and there is horizontal two-dimension float function and the limited said apparatus of angular degree of freedom is difficult to ensure that Honing process precision.Additionally, the floating installation of above-mentioned prior art uses spring spindle spacing, its support strength and positioning precision are difficult to meet the high-precision requirement of special workpiece.
Summary of the invention
It is an object of the invention to: for the weak point of above-mentioned existing existence, there is provided a kind of while can realizing angular floating, there is suitably three-dimensional floating degree of freedom, and support strength and the high full-time floating installation of positioning precision, thus conscientiously ensureing the high-precision honing quality of special workpiece.
In order to achieve the above object, the full-time floating installation of the present invention includes base and the upper end cover with central perforation, described base is radially outward from disk body, and the bottom surface of described disk body and end face central authorities each extend over out and grip end and pedestal, installs self-aligning ball bearing in described pedestal；Hollow axle is extended at the middle part of described upper end cover down, described hollow axle plug-in mounting is fixed on the endoporus of self-aligning ball bearing, the cylindrical border of described upper end cover extends lasso down, the lower end of described lasso is radially outward from shirt rim, the uniform location of circumference that the apparent surface of described disk body and shirt rim is formed respectively with correspondence is recessed, equipped with floating spring between location corresponding to described disk body and shirt rim is recessed.
After adopting assembly of the invention, base is fixed on honing machine and workpiece is fixed on upper end cover, when honing head inserts workpiece behind the hole of honing, owing to self-aligning ball bearing has the degree of freedom of the about 5 ° of circular cone scopes of θ being the center of circle with bearing centre, therefore the demand of angular floating can be met, the end-play that self-aligning ball bearing self has than honing precision order of magnitude lower simultaneously (is generally 0.04-0.06mm, conventional honing precision is then 0.003-0.004mm), therefore also there is the floating degree of freedom of horizontal direction, therefore the present invention has and can correct horizontal plane simultaneously, the three-dimensional float function of angular error.
The core of the present invention is in that special floating installation, oscillation bearing and the combination with spring, ensures Honing process precision by the self adaptation beat performance of self-aligning ball bearing with arranging comprehensive spring.When carrying out centre bore honing, self-aligning ball bearing in floating installation can carry out self-adapting flexible modulation according to honing lever and workpiece center hole misalignment of axe, rather than rigid contact, namely be originally in the course of processing compressive state spring can according to the difference of deflection angle, stressing conditions be different automatic telescopic, remain the axiality in the course of processing.
Further, described self-aligning ball bearing inner ring cylindrical has the twice annular stop arc groove of axially spaced-apart distribution, the radius of described arc groove matches with the ball bearing radius being embedded, and the arrangement cross section, inner side of described inner ring correspondence annular stop arc groove is that interior hook-shaped ball is every basket；The outer ring endoporus of described self-aligning ball bearing forms arcuate groove.
Further, the monolateral play d of the radial direction of described self-aligning ball bearing is 0.04-0.05 millimeter.
Further, on described upper end cover, fixed in position treats the plate-like positioning seat of honing workpiece, and described plate-like positioning seat has centre bore, and both sides have the column extended upward；The upper end hinge dress central authorities of one of two columns are equipped with hollow pressing plate one end holding out against nut, and the other end of described pressing plate is fixed on another column；The described hollow nut that holds out against is fixed workpiece.
Further, it is recessed that the upper surface of described upper end cover has the circle isometrical with positioning seat centre bore, wherein embeds the locating ring extending to positioning seat centre bore.
Further, the outer ring self-aligning ball bearing by hole back-up ring axial limiting is installed in described pedestal.
Accompanying drawing explanation
Fig. 1 is the beat status architecture schematic diagram of the embodiment of the present invention one.
Fig. 2 is non-beat status architecture schematic diagram (omitting spring) of Fig. 1 embodiment.
Fig. 3 is the structural representation of Fig. 1 embodiment limit beat state.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the Honing process view adopting Fig. 1 embodiment.
Detailed description of the invention
Embodiment one
The full-time floating installation of the present embodiment is as shown in Figure 1 and Figure 2, including base 4 and the upper end cover 1 with central perforation, base 4 is radially outward from disk body 4-1, the bottom surface of disk body 4-1 and end face central authorities each extend over out to grip installs the outer ring self-aligning ball bearing 3 by hole back-up ring 2 axial limiting in end 4-2 and pedestal 4-3, pedestal 4-3.Hollow axle 1-1 is extended at the middle part of upper end cover 1 down, and this hollow axle 1-1 plug-in mounting is fixed on the endoporus of self-aligning ball bearing 3.The cylindrical border of upper end cover 1 extends lasso 1-1 down, the lower end of lasso 1-1 is radially outward from shirt rim 1-2, the uniform location of circumference that the apparent surface of disk body 4-1 and shirt rim 1-2 is formed respectively with correspondence is recessed, and location corresponding to disk body 4-1 and shirt rim 1-2 recessed between equipped with floating spring 5.
Special self-aligning ball bearing 3 inner ring 3-1 cylindrical has the twice annular stop arc groove of axially spaced-apart distribution, the radius of arc groove matches with the ball 3-2 radius being embedded, the arrangement cross section, inner side of inner ring 3-1 correspondence annular stop arc groove be interior hook-shaped ball every basket 3-3, be therefore combined with groove and there is desirable axial isolation effect.The outer ring 3-4 endoporus of self-aligning ball bearing 3 forms arcuate groove, thus allowing the Internal and external cycle relatively can about 5 ° of angular displacement θ, the monolateral play d of radial direction of self-aligning ball bearing 3 is 0.04-0.05 millimeter, therefore the angular position and the plane compensation that make this device combine, it is possible to achieve a range of three-dimensional association is floated.
Practice have shown that, the full-time floating installation of the present embodiment can ensure that Central of the parts hole honing process self adaptation centers, and keeps coaxial so that precision meets design tolerance requirement, its work use procedure following (referring to Fig. 3,4,5):
To treat that honing workpiece (intermediate) 11 is placed on the plate-like positioning seat 12 with centre bore, the both sides of this positioning seat 12 have the column 13 extended upward, the upper end hinge dress central authorities of one of two columns are equipped with hollow pressing plate 14 one end holding out against nut 15, the other end of this pressing plate 14 is fixed on another column by lock-screw 16, hollow hold out against after nut 15 is fixed workpiece 11, positioning seat 12 location is fixed on the upper end cover 1 of full-time floating installation, then the base 4 of this device is clamped on the workbench of lathe；For ensureing fixture and device accurate positioning, it is recessed that the upper surface of upper end cover 1 has the circle isometrical with positioning seat 12 centre bore, wherein embeds the locating ring 17 extending to positioning seat 12 centre bore.
The centre bore that honing lever 18 inserts workpiece 11 carries out Honing process, during as produced eccentric force because honing lever 18 is not coaxial with workpiece 11 centre bore, namely the self-aligning ball bearing 3 of full-time floating installation plays a role, self-adaptative adjustment attitude is carried out with eccentric force, making eccentric force tend to minimum, result makes workpiece 11 centre bore coaxial with honing lever 18 centrage self adaptation.
In self-aligning ball bearing 3 adaptive process, spring 5 is in compressive state all the time, but decrement everywhere is different, and the active force of generation is also different, so can automatically ensure the real-time trackability of floating installation and the honing lever course of processing, remain that workpiece center hole is coaxial with honing lever.
Honing process is complete, and honing lever 8 exits centre bore, and spring 5 automatically resets, and self-aligning ball bearing 3 recovers original position (referring to Fig. 2), in order to carry out next cycle operation.
Technique effect: processing method in the present invention is ingenious make use of self-aligning ball bearing and spring, the technical barrier that when solving workpiece Honing process, axiality is difficult to ensure that, when not possessing special Honing process lathe, achieve self adaptation Honing process, provide efficiency height for the workpiece that this type of bulk centre bore honing precision is higher, processing method that precision is good.
Compared with above-mentioned prior art, the present embodiment has a characteristic that
1) realize plane not by the spring of four direction to float, but axial universal floating, one time adaptivity is better.
2) spring not only acts as plane floating reset response, and cooperates and play axial float reset response.
3) carrying out spacing without spring spindle, but adopt self-aligning ball bearing to be supported, not only support strength is higher, positioning precision better, and is suitable to the through hole class workpiece Honing process that elastic top masthead pressure cannot be carried out.
4) it is possible not only to solve workpiece and honing lever axiality skew problem under parallel condition, and solves a tilting tolerance difficult problem for workpiece and honing lever axiality.
5) prior art passes through axostylus axostyle support floating outer ring, then again through axostylus axostyle, inner ring is supported on outer ring, therefore fragile structure, axostylus axostyle is necessarily damaged once occur to collide, and self rigid support of the self-aligning ball bearing of the present embodiment floating installation, a degree of shock can be born, keep normally realizing float function, and have only to be fixed on by workpiece on device and can realize float function, the profile of workpiece is had no requirement, applied widely.
Facts have proved, the ingenious combination that make use of self-aligning ball bearing and spring of the device of the present embodiment, the technical barrier that the axiality caused due to angular and/or radial positioning error when solving workpiece Honing process cannot ensure, when not possessing special Honing process lathe, achieve self adaptation Honing process, provide the manufacturing process of high-efficiency high-quality for the workpiece that this type of bulk centre bore honing precision is higher.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to replacement or the technical scheme of equivalent transformation formation, all fall within the protection domain of application claims.
Claims (6)
1. a full-time floating installation, including base and the upper end cover with central perforation, described base is radially outward from disk body, and the bottom surface of described disk body and end face central authorities each extend over out and grip end and pedestal, it is characterised in that install self-aligning ball bearing in described pedestal；Hollow axle is extended at the middle part of described upper end cover down, described hollow axle plug-in mounting is fixed on the endoporus of self-aligning ball bearing, the cylindrical border of described upper end cover extends lasso down, the lower end of described lasso is radially outward from shirt rim, the uniform location of circumference that the apparent surface of described disk body and shirt rim is formed respectively with correspondence is recessed, equipped with floating spring between location corresponding to described disk body and shirt rim is recessed.
2. full-time floating installation according to claim 1, it is characterized in that: described self-aligning ball bearing inner ring cylindrical has the twice annular stop arc groove of axially spaced-apart distribution, the radius of described arc groove matches with the ball bearing radius being embedded, and the arrangement cross section, inner side of described inner ring correspondence annular stop arc groove is that interior hook-shaped ball is every basket；The outer ring endoporus of described self-aligning ball bearing forms arcuate groove.
3. full-time floating installation according to claim 2, it is characterised in that: the monolateral play d of radial direction of described self-aligning ball bearing is 0.04-0.05 millimeter.
4. full-time floating installation according to claim 3, it is characterised in that: on described upper end cover, fixed in position treats the plate-like positioning seat of honing workpiece, and described plate-like positioning seat has centre bore, and both sides have the column extended upward；The upper end hinge dress central authorities of one of two columns are equipped with hollow pressing plate one end holding out against nut, and the other end of described pressing plate is fixed on another column；The described hollow nut that holds out against is fixed workpiece.
5. full-time floating installation according to claim 4, it is characterised in that: it is recessed that the upper surface of described upper end cover has the circle isometrical with positioning seat centre bore, wherein embeds the locating ring extending to positioning seat centre bore.
6. full-time floating installation according to claim 5, it is characterised in that: the outer ring self-aligning ball bearing by hole back-up ring axial limiting is installed in described pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073991.5A CN105729291B (en) | 2016-02-02 | 2016-02-02 | A kind of full-time floating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073991.5A CN105729291B (en) | 2016-02-02 | 2016-02-02 | A kind of full-time floating installation |
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| Publication Number | Publication Date |
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| CN105729291A true CN105729291A (en) | 2016-07-06 |
| CN105729291B CN105729291B (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610073991.5A Active CN105729291B (en) | 2016-02-02 | 2016-02-02 | A kind of full-time floating installation |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272055A (en) * | 2016-11-01 | 2017-01-04 | 张钰祯 | Robot is by soft firm both sexes bistrique two dimension floating fixing device |
| CN106425469A (en) * | 2016-11-28 | 2017-02-22 | 大连豪森今日自动化有限公司 | Rotary table floating mechanism |
| CN107414701A (en) * | 2017-09-05 | 2017-12-01 | 机科发展科技股份有限公司 | Movable self-positioning mechanism |
| CN107571147A (en) * | 2017-09-11 | 2018-01-12 | 南宁宇立仪器有限公司 | A kind of radial direction constant force floating installation |
| CN108581840A (en) * | 2018-06-19 | 2018-09-28 | 天津大学 | A kind of swing aligning structure for arc track feeding |
| CN108705556A (en) * | 2018-08-07 | 2018-10-26 | 文浩 | A kind of floating locating module |
| CN111645110A (en) * | 2020-07-01 | 2020-09-11 | 无锡盈连科技有限公司 | Radial floating device |
| CN113134782A (en) * | 2021-05-19 | 2021-07-20 | 南京森尔南精密机床有限公司 | Constant pressure mechanism of horizontal honing machine |
| CN113500236A (en) * | 2021-07-23 | 2021-10-15 | 中车唐山机车车辆有限公司 | Follow-up processing device |
| CN113814818A (en) * | 2021-10-18 | 2021-12-21 | 中国科学院光电技术研究所 | Vertical precision grinding device to high accuracy hole |
| CN114310546A (en) * | 2022-01-05 | 2022-04-12 | 苏州明志科技股份有限公司 | Polishing shaft for flexibly cleaning casting blank |
| CN117804773A (en) * | 2024-01-12 | 2024-04-02 | 安徽灵轴科创有限公司 | Automatic measuring device for measuring rotation precision of bearing inner ring |
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| GB811000A (en) * | 1957-11-07 | 1959-03-25 | J And H Taylor Holdings Ltd | Improvements in and relating to grinding machines |
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| CN104526527A (en) * | 2015-01-08 | 2015-04-22 | 浙江畅尔智能装备股份有限公司 | Flexible polishing tool based on pneumatic floating |
| CN204546262U (en) * | 2015-02-09 | 2015-08-12 | 杭州赫瓦机器人技术开发有限公司 | A kind of floating grinding apparatus being suitable for robot |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB811000A (en) * | 1957-11-07 | 1959-03-25 | J And H Taylor Holdings Ltd | Improvements in and relating to grinding machines |
| CN2926061Y (en) * | 2006-03-17 | 2007-07-25 | 北京阳光之路特种车辆技术有限公司 | Carrier tray device with adjusting pitch and sided-tilt position |
| CN2880377Y (en) * | 2006-04-18 | 2007-03-21 | 梁广伟 | Grinding head mechanism of waxing machine |
| CN201913567U (en) * | 2010-12-03 | 2011-08-03 | 东莞市双力数控设备有限公司 | Floating fixture |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272055B (en) * | 2016-11-01 | 2018-06-29 | 张钰祯 | The soft firm both sexes bistrique two dimension floating fixing device of robot |
| CN106272055A (en) * | 2016-11-01 | 2017-01-04 | 张钰祯 | Robot is by soft firm both sexes bistrique two dimension floating fixing device |
| CN106425469A (en) * | 2016-11-28 | 2017-02-22 | 大连豪森今日自动化有限公司 | Rotary table floating mechanism |
| CN107414701A (en) * | 2017-09-05 | 2017-12-01 | 机科发展科技股份有限公司 | Movable self-positioning mechanism |
| CN107571147A (en) * | 2017-09-11 | 2018-01-12 | 南宁宇立仪器有限公司 | A kind of radial direction constant force floating installation |
| CN107571147B (en) * | 2017-09-11 | 2024-02-09 | 南宁宇立仪器有限公司 | Radial constant force floating device |
| CN108581840B (en) * | 2018-06-19 | 2023-10-20 | 天津大学 | Swing aligning structure for feeding circular arc track |
| CN108581840A (en) * | 2018-06-19 | 2018-09-28 | 天津大学 | A kind of swing aligning structure for arc track feeding |
| CN108705556A (en) * | 2018-08-07 | 2018-10-26 | 文浩 | A kind of floating locating module |
| CN111645110A (en) * | 2020-07-01 | 2020-09-11 | 无锡盈连科技有限公司 | Radial floating device |
| CN111645110B (en) * | 2020-07-01 | 2024-05-03 | 无锡盈连科技有限公司 | Radial floating device |
| CN113134782A (en) * | 2021-05-19 | 2021-07-20 | 南京森尔南精密机床有限公司 | Constant pressure mechanism of horizontal honing machine |
| CN113134782B (en) * | 2021-05-19 | 2022-02-01 | 南京森尔南精密机床有限公司 | Constant pressure mechanism of horizontal honing machine |
| CN113500236A (en) * | 2021-07-23 | 2021-10-15 | 中车唐山机车车辆有限公司 | Follow-up processing device |
| CN113814818A (en) * | 2021-10-18 | 2021-12-21 | 中国科学院光电技术研究所 | Vertical precision grinding device to high accuracy hole |
| CN114310546A (en) * | 2022-01-05 | 2022-04-12 | 苏州明志科技股份有限公司 | Polishing shaft for flexibly cleaning casting blank |
| CN117804773A (en) * | 2024-01-12 | 2024-04-02 | 安徽灵轴科创有限公司 | Automatic measuring device for measuring rotation precision of bearing inner ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105729291B (en) | 2017-12-05 |
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