CN2732422Y - Passive air bag pressure controlled flexible polishing tool - Google Patents
Passive air bag pressure controlled flexible polishing tool Download PDFInfo
- Publication number
- CN2732422Y CN2732422Y CN 200420090845 CN200420090845U CN2732422Y CN 2732422 Y CN2732422 Y CN 2732422Y CN 200420090845 CN200420090845 CN 200420090845 CN 200420090845 U CN200420090845 U CN 200420090845U CN 2732422 Y CN2732422 Y CN 2732422Y
- Authority
- CN
- China
- Prior art keywords
- air bag
- polishing
- air
- rubbing head
- sleeve pipe
- 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.)
- Expired - Lifetime
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 65
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 238000007514 turning Methods 0.000 claims description 21
- 210000004712 air sac Anatomy 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 206010017472 Fumbling Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000010165 autogamy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model provides a passive air bag pressure controlled flexible polishing tool. The polishing tool is composed of an air bag. The front end of the air bag is provided with a polishing cloth as a working faces. The air bag is arranged in the holder. The holder is arranged on a rotating shaft. The rotating shaft is sheathed with a jacket tube. The jacket tube is connected air-tightly with the rotating shaft. The jacket tube is opened with an air source inlet and a spill valve. The rotating shaft in the jacket tube is opened with an air-stream channel. The air-stream channel is communicated with the air bag. The utility model provides a passive air bag pressure controlled mold curved face flexible polishing tool. The utility model has the advantages of high efficiency, high polishing quality. The on-line control is convenient to realize. The precision correction of the local form surface is convenient to carry out.
Description
(1) technical field
The utility model relates to a kind of die curve polishing tool that is used with the lathe with unit head, in particular for die curve automation polishing, is applicable to the occasion that realizes the polishing technology automation.
(2) background technology
Mold cavity surface 65% is a curved surface, and wherein 40% is free form surface.The service object of die industry comprises automobile panel, motorcycle plastic covering spare, household electrical appliance such as television set, washing machine, air-conditioning, telecommunication products such as mobile phone shell, car light shell.The mould of these industries, especially mould of plastics all have high requirements to the mold cavity surface roughness, and part need reach the minute surface requirement, and therefore, curved surface polishing becomes requisite process procedure, and according to statistics, polishing accounts for the 30%-50% of entire die manufacturing time.
The free form surface mold polish is mainly finished by manual operations, and polishing efficiency is low, labour intensity is big, the health that is harmful to health, be difficult to guarantee to polish the stability of shape surface accuracy, polishing poor quality simultaneously.State inner mold industry roughness to the polishing technology of Ra0.05 μ m still can, but the Ultraprecise polished technology that reaches Ra0.025 μ m level is still located the stage of fumbling, a large amount of ultraprecise injection molds still need import.Also the shortcoming of Cun Zaiing is: 1, polishing tool and free form surface contact area are little, and polishing efficiency is lower; 2, the whole field method of burnishing surface is unstable and inhomogeneous to polishing force, can not obtain high polishing quality; 3, traditional flexible polishing instrument generally is to utilize spring or flexible polishing material to obtain instrument to contact with flexibility between the burnishing surface, but its flexible degree all cannot onlinely be controlled; 4, can not accurately control the local polishing removal amount, it is cumbersome to carry out the accurate correction of local shape face.
(3) summary of the invention
Low for the polishing efficiency that overcomes prior art die curve polishing tool, the polishing quality is low, can not carry out On-line Control, local shape face is accurate revises cumbersome deficiency, the utility model provides a kind of polishing efficiency height, polishing quality height, is convenient to be implemented in line traffic control, is convenient to carry out the accurate voltage-controlled die curve flexible polishing of the passive type air bag instrument of revising of local shape face.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of passive air sac pressure controlled flexible furbisher, described polishing tool comprise that an air bag, described air bag front end have polishing cloth as working face, and described air bag is installed in the retainer; Described retainer is installed on the turning cylinder, described turning cylinder socket one sleeve pipe, and described sleeve pipe and described turning cylinder are tightly connected, and have outer air source inlet, overflow valve on the described sleeve pipe; Have gas channel on the turning cylinder in the sleeve pipe, described gas channel is communicated with described air bag.
Further, in the described sleeve pipe mechanically-sealing apparatus is installed, described mechanically-sealing apparatus comprises spring, seal.
Further again, described retainer comprises rubbing head outer cover, rubbing head inner cover, and rubbing head outer cover and rubbing head inner cover are affixed by screw thread, and the rubbing head outer cover is affixed by screw thread and turning cylinder, and polishing cloth is connected with the rubbing head outer cover by jump ring.
The basic principle of passive air sac pressure controlled flexible furbisher polishing is: the power transmission shaft of passive air sac pressure controlled flexible furbisher can be clamped in any lathe (as parallel robot, machining center, milling machine, drilling machine) obtains to drive power on the unit head, rotate at a high speed thereby drive air bag; Turning cylinder socket one sleeve pipe, sleeve pipe and turning cylinder are tightly connected, but do not rotate with turning cylinder, have the external gas source inlet on the sleeve pipe, and the interface that overflow valve is installed is arranged, and are used for the gas channel on the turning cylinder in the air feed lead-in bushing of external air source; Gas channel then is communicated with air bag, by can regulating the flexibility of air bag to the control of air pressure of input air bag, thereby makes rubbing head form the flexible polishing working face; By can regulating the flexibility of air bag, thereby make rubbing head form the flexible polishing working face to the control of air pressure of input air bag; The flexible polishing working face can form large tracts of land even contact, uniform polishing effect and high polishing efficiency when reaching curved surface polishing with free form surface easily; By can regulating the path of passive air sac pressure controlled flexible furbisher, and then realize the polishing process automation in the relative motion on free curve surface work pieces surface to the control of platen movement locus; And by the On-line Control to passive air sac pressure controlled flexible furbisher air bag air pressure, but the material removal amount of flexible modulation polished surface part, polishing tool is apart from the inexactness of die curve apart from control when remedying lathe scanning, help to obtain high shape face dimensional accuracy and stable normal direction polishing force, improve the burnishing surface quality.
The beneficial effect of the die curve polishing tool that pressure described in the utility model is controlled mainly shows:
(1), polishing tool saves the driving power of autogamy, can reduce the weight of manufacturing cost and instrument, and can be used with multiple lathe easily;
(2), by regulating the air pressure of air bag, can control the flexibility of polishing face, polishing tool and free form surface contact area are big, the polishing efficiency height;
(3), the feed distance of each free degree of adjusting platen and air bag air pressure can guarantee that the whole field method of burnishing surface is stable and relatively more even to polishing force, can obtain high polishing quality (it is following that surface roughness reaches Ra 0.020 μ m);
(4), by to the control of overflow valve air-flow, the air pressure of control air bag that can be real-time and the normal direction polishing force of curved surface can be implemented in line traffic control;
(5), by gasbag pressure control, can accurately control the local polishing removal amount, carry out that local shape face is accurate to be revised;
(6), the relative position by control platen and unit head digital control, can adjust the distance of polishing tool and polishing workpiece curved surface, thus the automation of realization polishing process.
(4) description of drawings
Fig. 1 is the structural representation of the controlled die curve polishing tool of pressure described in the utility model.
(5) specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1, a kind of passive air sac pressure controlled flexible furbisher, described polishing tool comprises an air bag 1, described air bag 1 front end has polishing cloth 2 as working face, described air bag 1 is installed in the retainer, retainer is installed in one and can drives on the turning cylinder 3 of retainer rotation, described retainer comprises rubbing head outer cover 4, rubbing head inner cover 5, rubbing head outer cover 4 is connected with turning cylinder 3 by screw thread, with resin polishing cloth 2 and rubbing head outer cover 4 bonding being integral, and reinforce with jump ring 6, rubbing head inner cover 5 is that polishing cloth 2 carries out the part that profile is determined and finalized the design, be connected as a single entity by screw thread and rubbing head outer cover 4, after polishing cloth 2 inflations, polishing cloth 2 carries out bonding with the inner ring contact portion of rubbing head inner cover 5 with resin; Turning cylinder 3 sockets one sleeve pipe 7, described sleeve pipe 7 is tightly connected with described turning cylinder 3, has screw on the sleeve pipe 7 as outer air source inlet 8, overflow valve 9; Have air communication 10 on the turning cylinder 3 in the sleeve pipe 7, described gas channel 10 1 ends are communicated with outer air source inlet 8, and the other end is communicated with air bag 1.At the two ends of turning cylinder 3 rear end cap 11, drive end bearing bracket 12 are installed respectively, described rear end cap 11, drive end bearing bracket 12 are connected with sleeve pipe 7 by bearing respectively, in the sleeve pipe 7 mechanically-sealing apparatus is installed, described mechanically-sealing apparatus comprises seal cover 13, sealing ring 14, spring 15, and the two ends in the sleeve pipe 7 are separately installed with two cover mechanically-sealing apparatus.
Its operation principle is: gases at high pressure enter rubbing head from outer air source inlet 8, the air pressure size of rubbing head inside is by the control of overflow valve 9, when value that air pressure is set less than overflow valve 9, overflow valve 9 is in closed condition, source of the gas arrives air bag 1 through gas channel 10, otherwise overflow valve 9 is opened, thereby makes the air pressure in the air bag 1 maintain a predefined steady state value.The surface coverage of air bag 1 one deck polishing cloth 2, rotation at a high speed under the drive of turning cylinder 3, and it and free form surface can form the large tracts of land even contact, thereby can obtain uniform polishing effect and high polishing efficiency.By the air-flow control to overflow valve 9, the air pressure of control air bag 1 that can be real-time and the normal direction polishing force of curved surface can be implemented in line traffic control; By the control of air bag 1 pressure, can accurately control the local polishing removal amount, carry out the accurate correction of local shape face.
Claims (3)
1, a kind of passive air sac pressure controlled flexible furbisher is characterized in that:
Described polishing tool comprises that an air bag, described air bag front end have polishing cloth as working face, and described air bag is installed in the retainer;
Described retainer is installed on the turning cylinder;
Described turning cylinder socket one sleeve pipe, described sleeve pipe and described turning cylinder are tightly connected, and have outer air source inlet, overflow valve on the described sleeve pipe;
Have gas channel on the turning cylinder in the sleeve pipe, described gas channel is communicated with described air bag.
2, passive air sac pressure controlled flexible furbisher as claimed in claim 1 is characterized in that: in the described sleeve pipe mechanically-sealing apparatus is installed, described mechanically-sealing apparatus comprises spring, seal.
3, passive air sac pressure controlled flexible furbisher as claimed in claim 1 or 2, it is characterized in that: described retainer comprises rubbing head outer cover, rubbing head inner cover, rubbing head outer cover and rubbing head inner cover are affixed by screw thread, the rubbing head outer cover is affixed by screw thread and turning cylinder, and polishing cloth is connected with the rubbing head outer cover by jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090845 CN2732422Y (en) | 2004-09-30 | 2004-09-30 | Passive air bag pressure controlled flexible polishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090845 CN2732422Y (en) | 2004-09-30 | 2004-09-30 | Passive air bag pressure controlled flexible polishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2732422Y true CN2732422Y (en) | 2005-10-12 |
Family
ID=35068269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420090845 Expired - Lifetime CN2732422Y (en) | 2004-09-30 | 2004-09-30 | Passive air bag pressure controlled flexible polishing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2732422Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393477C (en) * | 2004-09-29 | 2008-06-11 | 浙江工业大学 | Passive air sac pressure controlled flexible furbisher |
| CN102765012A (en) * | 2012-03-23 | 2012-11-07 | 中国科学院光电技术研究所 | Flexible controllable air bag polishing tool based on electrorheological fluid |
| CN103962927A (en) * | 2014-05-16 | 2014-08-06 | 厦门大学 | Tool setting device for gas bag polishing |
| CN105798734A (en) * | 2016-03-15 | 2016-07-27 | 西安建筑科技大学 | Polishing device and method for mould free curved surface |
| CN109676507A (en) * | 2019-01-23 | 2019-04-26 | 厦门大学 | A kind of high speed air-floating main shaft air bag polishing device |
| CN110893581A (en) * | 2019-12-02 | 2020-03-20 | 南京航空航天大学 | Flexible burnishing device of hydraulic drive formula |
-
2004
- 2004-09-30 CN CN 200420090845 patent/CN2732422Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393477C (en) * | 2004-09-29 | 2008-06-11 | 浙江工业大学 | Passive air sac pressure controlled flexible furbisher |
| CN102765012A (en) * | 2012-03-23 | 2012-11-07 | 中国科学院光电技术研究所 | Flexible controllable air bag polishing tool based on electrorheological fluid |
| CN102765012B (en) * | 2012-03-23 | 2014-06-25 | 中国科学院光电技术研究所 | Flexible controllable air bag polishing tool based on electrorheological fluid |
| CN103962927A (en) * | 2014-05-16 | 2014-08-06 | 厦门大学 | Tool setting device for gas bag polishing |
| CN103962927B (en) * | 2014-05-16 | 2016-01-20 | 厦门大学 | A kind of tool setting device for air bag polishing |
| CN105798734A (en) * | 2016-03-15 | 2016-07-27 | 西安建筑科技大学 | Polishing device and method for mould free curved surface |
| CN109676507A (en) * | 2019-01-23 | 2019-04-26 | 厦门大学 | A kind of high speed air-floating main shaft air bag polishing device |
| CN110893581A (en) * | 2019-12-02 | 2020-03-20 | 南京航空航天大学 | Flexible burnishing device of hydraulic drive formula |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080611 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |