CN101224558B - Internal hand-held electric polishing tool with air sac polishing head - Google Patents

Internal hand-held electric polishing tool with air sac polishing head Download PDF

Info

Publication number
CN101224558B
CN101224558B CN2008100595702A CN200810059570A CN101224558B CN 101224558 B CN101224558 B CN 101224558B CN 2008100595702 A CN2008100595702 A CN 2008100595702A CN 200810059570 A CN200810059570 A CN 200810059570A CN 101224558 B CN101224558 B CN 101224558B
Authority
CN
China
Prior art keywords
transmission shaft
gas transmission
gas
air bag
shaft
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 - Fee Related
Application number
CN2008100595702A
Other languages
Chinese (zh)
Other versions
CN101224558A (en
Inventor
张宪
计时鸣
王扬渝
赵章风
钟江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University of Technology ZJUT
Original Assignee
Zhejiang University of Technology ZJUT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
Priority to CN2008100595702A priority Critical patent/CN101224558B/en
Publication of CN101224558A publication Critical patent/CN101224558A/en
Application granted granted Critical
Publication of CN101224558B publication Critical patent/CN101224558B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention provides a built-in hand-held electric polishing tool with a gasbag polishing head, comprising a shell, a driving motor, a polishing head with the gasbag, a gas delivering shaft and a micro air pump; the micro air pump is arranged in the shell; the polishing head with the gasbag comprises a polishing head framework and a gasbag cover which is hermetically arranged at one end of the polishing head framework which has hollow structure; the gas delivering shaft is a half hollow shaft; the hollow end of the gas delivering shaft is connected with the other end of the polishing head framework; the gas delivering shaft is provided with a shaft hole which is communicated with the hollow end of the gas delivering shaft which is externally sheathed with a gas conducting sleeve; the gas conducting sleeve is provided with a through hole which is communicated with the air outlet of the micro air pump; two sides between the gas conducting sleeve and the gas delivering shaft are provided with two sealing parts; an air chamber is arranged between the two sealing parts; the through hole is communicated with the air chamber which is communicated with the shaft hole of the gas delivering shaft. The invention has the advantages of small processing area, good coincident characteristic, high dedusting efficiency of the material, and stable polishing area.

Description

The built-in hand electric polishing tool that has the air bag polishing head
Technical field
The present invention relates to a kind of hand electric polishing tool.
Background technology
In recent years, the development of mold manufacturing industry is swift and violent day by day, and involvement aspect is increasingly extensive.Such as automobile, aviation, boats and ships, toy, electronic product, civilian household electrical appliances etc., almost do not have can't be obtained.After the mould manufacturing is finished, there is certain error, and mould requirement smooth surface, so need reach this requirement by the polishing in later stage.Present mould all is not large-scale, therefore need not polish by large-scale polishing machine entirely, some little moulds can polish by small-sized hand electric polishing tool, and some curved surface of large mold often is difficult on the large-scale polishing machine finishes polishing, and this just need use the electronic polishing tool of small hand-held formula.The shortcoming that existing hand electric polishing tool exists has: machining area is big, the characteristic of coincideing is poor, material removing rate is not high, polishing area is unstable.
Summary of the invention
The machining area that has the hand electric polishing tool is big, the characteristic of coincideing is poor, material removing rate is not high, the unsettled deficiency of polishing area in order to overcome, and the invention provides little, the identical built-in hand electric polishing tool that has the air bag polishing head that characteristic is good, material removing rate is high, polishing area is stable of a kind of machining area.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of built-in hand electric polishing tool that has the air bag polishing head, comprise shell and drive motors, described drive motors is installed in the enclosure, described hand electric polishing tool also comprises rubbing head, gas transmission shaft and the micro air pump that has air bag, described micro air pump is installed in the enclosure, the described rubbing head that has air bag comprises rubbing head skeleton and air bag outer cover, and described air bag outer cover sealing is installed in an end of rubbing head skeleton, and described rubbing head skeleton is hollow structure; Described gas transmission shaft is axle in midair, the hollow end of described gas transmission shaft is connected with the other end of rubbing head skeleton, the solid-end of described gas transmission shaft is connected with reducing gear, described reducing gear is connected with the output shaft of described drive motors, the output shaft of described drive motors is installed on a pair of rolling bearing, described gas transmission shaft is installed on a pair of rolling bearing, has axis hole on the described gas transmission shaft, and described axis hole is communicated with the hollow end of gas transmission shaft;
The outer suit gas conducting cover of described gas transmission shaft, described gas conducting puts and is provided with through hole, described through hole is communicated with the gas outlet of micro air pump, the every side in both sides between described gas conducting cover and the gas transmission shaft is provided with a seal, described seal is fixedlyed connected with gas conducting cover, described seal and gas transmission shaft matched in clearance are air cavity between described two seals, and described through hole is communicated with described air cavity and is communicated with the axis hole of gas transmission shaft with described air cavity.
As preferred another scheme: at the very thin situation of seal, air cavity is very little, may cause that inflation is discontinuous, then can be on the gas transmission shaft, and a circle that has axis hole is provided with the shaft shoulder, and the described shaft shoulder is communicated with described air cavity.Described seal is a self-lubricating bearing.
As preferred another scheme: the end of described gas transmission shaft is tapered, and the other end of described rubbing head skeleton is the back taper with described taper fit.
Further, the gas outlet of described micro air pump is stretched in the described through hole, and the gas outlet of described micro air pump and through hole junction are provided with sealing ring.
Further, described hand electric polishing tool also comprises first rectification circuit that is used for interchange is transformed into direct current, and described first rectification circuit is installed in the enclosure, and described first rectification circuit connects micro air pump.
As preferred a kind of scheme: described reducing gear comprises the pinion that is installed on the drive motors output shaft and is installed in gear wheel on the gas transmission shaft, described gear wheel and pinion.
Further, described gear wheel, pinion are helical gear.
The output shaft of described pinion and drive motors is one, and described pinion is positioned at the end of drive motors output shaft.
Described drive motors is a direct current generator, and described direct current generator connects the speed-regulating switch that is used to adjust motor speed, and described direct current generator connects second rectification circuit, and described second rectification circuit is installed in the enclosure.
Technical conceive of the present invention is: the gasbag-type polishing adopts the hemispherical flexible air-bag as rubbing head, and its special structure is different from other traditional finishing method.Flexible air-bag is in polishing process, and machining area is little, the characteristic of coincideing is good, material removing rate is high, polishing area is stable, texture is fine and smooth, is a kind of practicality, economic polishing technology.The gasbag-type finishing method is fit to plane, the polishing of sphere, aspheric surface even arbitrary surface and finishing.The gasbag-type rubbing head is flexible, makes rubbing head and surface of the work that tight connecting take place in machining area.
Alternating current generator energising rotation transfers torque to the gas transmission shaft by a pair of helical gear, thereby realizes the axial rotation of rubbing head (air bag); The operation of micro air pump produces compressed air and enters air bag by gas conducting cover and gas transmission shaft, and rubbing head contacts with die surface, by axial rotation, realizes the Surface Machining of mould.
1), machining area is little, the characteristic of coincideing is good, material removing rate is high, polishing area is stable beneficial effect of the present invention mainly shows:; 2), applied range, this hand electric polishing tool can be used for the surface finish of various moulds.Because its structure is small and exquisite, can also use in the occasion that some large-scale polishing machines can't be processed; 3), can carry out the polishing of multi-angle, help to increase working ability to the mold cavity of some curved surfaces; 4), mould is polished, only need an operator, processing cost is low, the efficient height.
Description of drawings
Fig. 1 is the built-in schematic diagram that has the hand electric polishing tool of air bag polishing head.
Fig. 2 is the generalized section of gas transmission shaft.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
See figures.1.and.2, a kind of built-in hand electric polishing tool that has the air bag polishing head, comprise shell 1 and drive motors 2, described drive motors 2 is installed in the shell 1, described hand electric polishing tool also comprises rubbing head, gas transmission shaft 3 and the micro air pump 4 that has air bag, described micro air pump 4 is installed in the shell 1, the described rubbing head that has air bag comprises rubbing head skeleton 5 and air bag outer cover 6, described air bag outer cover 6 sealings are installed in an end of rubbing head skeleton 5, and described rubbing head skeleton 5 is hollow structure; Described gas transmission shaft 3 is axle in midair, the hollow end of described gas transmission shaft 3 is connected with the other end of rubbing head skeleton 5, the solid-end of described gas transmission shaft 3 is connected with reducing gear, described reducing gear is connected with the output shaft of described drive motors 2, the output shaft of described drive motors 2 is installed on a pair of rolling bearing, described gas transmission shaft 3 is installed on a pair of rolling bearing, has axis hole on the described gas transmission shaft 3, and described axis hole is communicated with the hollow end of gas transmission shaft 3; Described gas transmission shaft 3 outer suit gas conducting covers 8, described gas conducting cover 8 is provided with through hole 9, described through hole 9 is communicated with the gas outlet of micro air pump 4, the every side in both sides between described gas conducting cover 8 and the gas transmission shaft 3 is provided with a seal 10, described seal 10 overlaps 8 with the gas conducting fixedlys connected, described seal 10 and gas transmission shaft 3 matched in clearance, between described two seals is air cavity, described through hole 9 is communicated with described air cavity, and described air cavity is communicated with the axis hole of gas transmission shaft 3.
At the very thin situation of seal, air cavity is very little, may cause that inflation is discontinuous, then can be on gas transmission shaft 3, and a circle that has axis hole is provided with the shaft shoulder, and the described shaft shoulder is communicated with described air cavity.Described seal 10 is preferably self-lubricating bearing.
The end of described gas transmission shaft 3 is tapered, and the other end of described rubbing head skeleton 5 is the back taper with described taper fit.The gas outlet of described micro air pump 4 is stretched in the described through hole 9, and the gas outlet of described micro air pump 4 and through hole 9 junctions are provided with sealing ring 7.
Described hand electric polishing tool also comprises first rectification circuit that is used for interchange is transformed into direct current, and described first rectification circuit is installed in the enclosure, and described first rectification circuit connects micro air pump 4.
Described reducing gear comprises the pinion and the gear wheel that is installed on the gas transmission shaft 3, described gear wheel and pinion on the output shaft that is installed in drive motors 2.Described gear wheel, pinion are helical gear.
The output shaft of described pinion and drive motors is one, and described pinion is positioned at the end of drive motors output shaft.The output shaft that is drive motors is a gear shaft.
Described drive motors 2 is a direct current generator, and described direct current generator connects the speed-regulating switch that is used to adjust motor speed, and described direct current generator connects second rectification circuit, and described second rectification circuit is installed in the enclosure.
Described drive motors 2 is a direct current generator, and described direct current generator comprises brush, rotor, stator, radiator fan, motor switch and a pair of rolling bearing; Its rotor is a gear shaft, on the one end helical teeth is arranged, and radiator fan is installed on the rotor, and rotor is installed on a pair of rolling bearing, and the rotation by rotor drives radiator fan and rotates, thereby reaches the purpose of heat radiation.Described case member comprises symmetrical two plastic casings, fixes by screw.
Described rubbing head skeleton 5 and gas transmission shaft 3 are connected by taper surface.During duty, both are compressed, rely on the effect of frictional force to transmit moment of torsion by pressure; During dismounting, rubbing head skeleton 5 is released the gas transmission shaft by the reverse rotation that is installed in copper nut on the gas transmission shaft 3.
Described gas conducting cover 8 is a three-port structure, is used for importing the compressed air that micro air pump 4 produces into gas transmission shaft 3; And the micro air pump installation end place at gas conducting cover 8 has two apertures, is used for the air inlet of micro air pump.
Described gas transmission shaft 3 is axle in midair, at the helical gear installation end is solid shafting, contact the broken ends of fractured bone with the rubbing head skeleton is hollow shaft 7, further, on gas conducting cover place gas transmission shaft, have aperture, aperture can be one or more, and described aperture is used for Compressed Gas is imported gas transmission shaft 3, and these several apertures and hollow shaft conducting.
This a pair of helical gear of helical gear on the described gas transmission shaft 3 and epitrochanterian helical gear is fixed both centre-to-centre spacing by middle block, and two rolling bearings are installed on this block simultaneously.
Described air pump switch and motor switch are point driving switch.
During work, the alternating current generator switch opens, connect AC power, alternating current generator begins to rotate, the rotation of rotor transfers torque to gas transmission shaft 3 by a pair of helical gear on the block in the middle of being fixed on, gas transmission shaft 3 is that taper surface contacts with rubbing head skeleton 5 contact jaws, and the pressure between air bag and polished object is big more, then gas transmission shaft 3 contact with rubbing head skeleton 5 tight more; During polishing, transfer torque to the air bag polishing workpiece, thereby realize the rotation of rubbing head by frictional force.Simultaneously, micro air pump 4 is by air pump switch control operation, and the compressed air that micro air pump produces imports gas transmission shaft 3 into by gas conducting cover 8, delivers in the air bag via the rubbing head skeleton 5 of gas transmission shaft 3 and hollow.

Claims (9)

1. built-in hand electric polishing tool that has the air bag polishing head, comprise shell and drive motors, described drive motors is installed in the enclosure, it is characterized in that: described hand electric polishing tool also comprises rubbing head, gas transmission shaft and the micro air pump that has air bag, described micro air pump is installed in the enclosure, the described rubbing head that has air bag comprises rubbing head skeleton and air bag outer cover, described air bag outer cover sealing is installed in an end of rubbing head skeleton, and described rubbing head skeleton is hollow structure;
Described gas transmission shaft is axle in midair, the hollow end of described gas transmission shaft is connected with the other end of rubbing head skeleton, the solid-end of described gas transmission shaft is connected with reducing gear, described reducing gear is connected with the output shaft of described drive motors, the output shaft of described drive motors and gas transmission shaft are installed on a pair of rolling bearing, have axis hole on the described gas transmission shaft, described axis hole is communicated with the hollow end of gas transmission shaft;
The outer suit gas conducting cover of described gas transmission shaft, described gas conducting puts and is provided with through hole, and described through hole is communicated with the gas outlet of micro air pump, and the every side in both sides between described gas conducting cover and the gas transmission shaft is provided with a seal, described seal is fixedlyed connected with gas conducting cover
Described seal and gas transmission shaft matched in clearance are air cavity between described two seals, and described through hole is communicated with described air cavity, and described air cavity is communicated with the axis hole of gas transmission shaft; On the gas transmission shaft, a circle that has axis hole is provided with the shaft shoulder, and the described shaft shoulder is communicated with described air cavity.
2. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 1, it is characterized in that: described seal is a self-lubricating bearing.
3. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 1 or 2, it is characterized in that: the end of described gas transmission shaft is tapered, and the other end of described rubbing head skeleton is the back taper with described taper fit.
4. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 1 or 2, it is characterized in that: the gas outlet of described micro air pump is stretched in the described through hole, and the gas outlet of described micro air pump and through hole junction are provided with sealing ring.
5. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 3, it is characterized in that: described hand electric polishing tool also comprises first rectification circuit that is used for interchange is transformed into direct current, described first rectification circuit is installed in the enclosure, and described first rectification circuit connects micro air pump.
6. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 1 or 2, it is characterized in that: described reducing gear comprises the pinion and the gear wheel that is installed on the gas transmission shaft, described gear wheel and pinion that is installed on the drive motors output shaft.
7. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 6, it is characterized in that: described gear wheel, pinion are helical gear.
8. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 7, it is characterized in that: the output shaft of described pinion and drive motors is one, and described pinion is positioned at the end of drive motors output shaft.
9. the built-in hand electric polishing tool that has the air bag polishing head as claimed in claim 1 or 2, it is characterized in that: described drive motors is a direct current generator, described direct current generator connects the speed-regulating switch that is used to adjust motor speed, described direct current generator connects second rectification circuit, and described second rectification circuit is installed in the enclosure.
CN2008100595702A 2008-01-31 2008-01-31 Internal hand-held electric polishing tool with air sac polishing head Expired - Fee Related CN101224558B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100595702A CN101224558B (en) 2008-01-31 2008-01-31 Internal hand-held electric polishing tool with air sac polishing head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100595702A CN101224558B (en) 2008-01-31 2008-01-31 Internal hand-held electric polishing tool with air sac polishing head

Publications (2)

Publication Number Publication Date
CN101224558A CN101224558A (en) 2008-07-23
CN101224558B true CN101224558B (en) 2010-06-02

Family

ID=39856878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008100595702A Expired - Fee Related CN101224558B (en) 2008-01-31 2008-01-31 Internal hand-held electric polishing tool with air sac polishing head

Country Status (1)

Country Link
CN (1) CN101224558B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102554749B (en) * 2012-02-08 2015-03-11 厦门大学 Dynamic load type flexible polishing head
CN102773783A (en) * 2012-07-23 2012-11-14 太仓市旭达机械设备有限公司 Portable polishing machine
CN105033815A (en) * 2015-07-24 2015-11-11 哈尔滨工业大学 Polishing device capable of controlling horizontal contact pressure
CN108340252B (en) * 2018-03-27 2019-12-20 西北工业大学 Pneumatic flexible polishing device
CN108972261A (en) * 2018-08-02 2018-12-11 滁州市精美家电设备有限责任公司 A kind of grinding device of foaming die for refrigerator case body
CN112676222B (en) * 2020-12-10 2022-06-28 湖北诺伯特科技有限公司 Through hole cleaning device for flywheel housing
CN112658917B (en) * 2020-12-10 2023-10-17 滁州丰源机械有限公司 Be used for flywheel shell through-hole burr cleaning device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2712782B2 (en) * 1990-08-06 1998-02-16 松下電器産業株式会社 Polishing spindle
CN2313795Y (en) * 1997-11-24 1999-04-14 关伟立 Multifunctional apparatus for cleaning vehicle
CN1754659A (en) * 2004-09-29 2006-04-05 浙江工业大学 Passive air sac pressure controlled flexible furbisher
CN1880017A (en) * 2005-06-17 2006-12-20 浙江工业大学 Electric pneumatic adjustable flexible polishing tool
CN201175870Y (en) * 2008-02-15 2009-01-07 浙江工业大学 Hand-held electric polishing tool having built-in burnishing head with air bag

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2712782B2 (en) * 1990-08-06 1998-02-16 松下電器産業株式会社 Polishing spindle
CN2313795Y (en) * 1997-11-24 1999-04-14 关伟立 Multifunctional apparatus for cleaning vehicle
CN1754659A (en) * 2004-09-29 2006-04-05 浙江工业大学 Passive air sac pressure controlled flexible furbisher
CN1880017A (en) * 2005-06-17 2006-12-20 浙江工业大学 Electric pneumatic adjustable flexible polishing tool
CN201175870Y (en) * 2008-02-15 2009-01-07 浙江工业大学 Hand-held electric polishing tool having built-in burnishing head with air bag

Also Published As

Publication number Publication date
CN101224558A (en) 2008-07-23

Similar Documents

Publication Publication Date Title
CN101224558B (en) Internal hand-held electric polishing tool with air sac polishing head
CN104991442B (en) High-torque Rudder Servo System based on brushless electric machine driving
CN107253123B (en) A kind of two-sided polishing arm apparatus for large-scale marine propeller of polishing
CN201175870Y (en) Hand-held electric polishing tool having built-in burnishing head with air bag
CN103831690A (en) Integrated type tool system for polishing overall blade disc blade air inlet edge, air outlet edge and blade root
CN103056769A (en) Single-end double-grinding-wheel electric spindle
CN203738533U (en) Integrated tool system used for grinding and polishing blisk blade air inlet and exhaust edges and blade roots
CN201175869Y (en) Hand-held electric polishing tool having external burnishing head with air bag
CN101224559B (en) External hand-held electric polishing tool with air sac polishing head
CN101745512A (en) Clamp for cleaning shaft part
CN202804923U (en) Structure of electric grinding wheel spindle
CN207915457U (en) A kind of robot and four axis robots
CN216543375U (en) Integrated joint driving unit
CN214817106U (en) Mechanical rheological polishing machine
CN206732738U (en) Sanding apparatus for bull metalwork intelligence grinder for polishing
CN202556161U (en) Aspheric polishing device based on magneto-rheologic moment servo
CN103600276B (en) Controllable deformable soft cutter
CN114986329A (en) Machining device for compressor piston component
CN203227903U (en) Slender axle electrochemical machining tool
CN205043616U (en) Internal cooling emery wheel electricity main shaft
CN207495066U (en) A kind of rotating hydraulic vice
CN205651221U (en) Terminal tool power device
CN104669262A (en) Underwater electromechanical wrist turning and clamping drive structure
CN218225705U (en) Three-direction moving double-spindle machining unit structure
CN204486806U (en) The cooling structure of machine tool chief axis

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100602

Termination date: 20130131