CN201320717Y - New-type electrical milling - Google Patents
New-type electrical milling Download PDFInfo
- Publication number
- CN201320717Y CN201320717Y CNU2008201577497U CN200820157749U CN201320717Y CN 201320717 Y CN201320717 Y CN 201320717Y CN U2008201577497 U CNU2008201577497 U CN U2008201577497U CN 200820157749 U CN200820157749 U CN 200820157749U CN 201320717 Y CN201320717 Y CN 201320717Y
- Authority
- CN
- China
- Prior art keywords
- brush
- bearing
- gear
- shell
- output 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 - Lifetime
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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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Retarders (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model relates to a new-type electrical milling, which comprises a housing, an output shaft and a driving mechanism fixed with the housing, wherein the output shaft is rotationally fixed in the housing and comprises a first end part and a second end part, the driving mechanism comprises a driving shaft as well as a planet gear mechanism, the planet gear mechanism is arranged in the housing and is meshed with the housing, the driving shaft is connected with the first end part through the planet gear mechanism so as to rotate the output shaft, preferably, the planet gear mechanism comprises a gear seat, an idler gear and a gear pin, the gear seat is connected with the idler gear through the gear pin, the idler gear is respectively meshed with the housing and the driving shaft, and the gear seat is connected with the first end part. The utility model greatly reduces vibration and noise, improves stability of an entire milling, prolongs service life of an electric motor, particularly materials consumed, and meanwhile has the advantages of convenient use, and compact, small and perfect structure.
Description
Technical field
The utility model relates to the electric tool technical field, and particularly the electric mill technical field specifically is meant a kind of novel electric mill, and it adopts the planetary gear transmission.
Background technology
The working method of traditional this type electric mill is: rotatablely moving of motor arrives output shaft through shaft coupling, the chuck of blooming is installed on the output shaft, bistrique is installed on this chuck of blooming, motor just drives the bistrique rotation like this, and the rotating speed and the rotation direction of rotating speed of motor and rotation direction and bistrique are in full accord, and grinding moment is directly obtained through shaft coupling drive output shaft by the main shaft of single-phase series motor.This not only rotating speed height (28000～32000 rpms) of structure that armature directly drives bistrique rotation that utilizes, and vibration and noise are also very big, be unfavorable for grinding, polishing the service life of consumptive material, also have a significant impact the service life to motor simultaneously, and inconvenient operation, especially to needs more slow-revving the time, can only take the structure of electronic speed regulation to regulate rotating speed, so not only temperature rise is higher, and torque also is affected, and is simultaneously also uneconomical.
Therefore, be necessary existing electric mill structure is improved, make that it is easy to use, vibration and noise reduce, strengthen the complete machine stationarity and prolong motor service life.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of novel electric mill is provided, this novel electric mill is easy to use, reduced vibration and noise greatly, strengthened complete machine stationarity, prolonged the motor particularly service life and the compact conformation, small and exquisite of consumptive material.
To achieve these goals, a kind of novel electric mill of the present utility model has following formation:
This novel electric mill, comprise shell, output shaft and the driving mechanism of fixing with described shell, described output shaft is rotatable to be fixed in the described shell, described output shaft comprises first end and the second end, described driving mechanism comprises driving shaft, is characterized in, also comprises planetary gears, described planetary gears is arranged in described shell and meshes described shell, and described driving shaft is connected with described first end by described planetary gears and is used to drive described output shaft rotation.
Preferably, described planetary gears comprises gear bearing, lazy tooth and gear pin, and described gear bearing is connected with described lazy tooth by described gear pin, and described lazy tooth meshes described shell and described driving shaft respectively, and described gear bearing connects described first end.
More preferably, described first end is provided with first external splines, and described gear bearing is provided with first internal spline, and described first external splines meshes described first internal spline.
More preferably, described driving shaft is provided with second external splines and meshes described lazy tooth by described second external splines.
More preferably, described driving shaft is arranged in described gear bearing.
Preferably, also comprise chuck and chuck nut bistrique, described the second end has endoporus and external screw thread, and described chuck is arranged in described endoporus, and described chuck nut meshes described external screw thread described chuck is limited in the described endoporus.
Preferably, also comprise back-up ring and be fixed in the described shell and the clutch shaft bearing and second bearing that be arranged in parallel, described output shaft wear described clutch shaft bearing and described second bearing and with described clutch shaft bearing and described second bearing fixing, described back-up ring is fixed on and is used for spacing described clutch shaft bearing and described second bearing on the described output shaft.
Preferably, also comprise internal gear, described internal gear is fixed in the described shell, and described planetary gears meshes described internal gear and meshes described shell indirectly by described internal gear.
Preferably, described driving mechanism is a motor, described motor comprises housing, wiper mechanism, stator and rotor, described housing and described shell are fixed, described stator is fixed in the described housing, described driving shaft is described rotor, and described rotor is arranged in described stator and turns and is fixed on described shell, and described wiper mechanism is arranged in described housing and is electrically connected with described rotor.
More preferably, described wiper mechanism comprises brush, brush copper spring, brush cap, brush carrier and brush carrier copper liner, described brush carrier is fixed in the described housing and is arranged in described brush cap, described brush carrier copper liner is arranged in described brush carrier and passes described brush carrier and is electrically connected with described rotor, described brush and described brush copper spring are arranged in described brush carrier copper liner, and described brush copper spring two ends are respectively against described brush and described brush cap.
The beneficial effects of the utility model are specific as follows:
1. the utility model connects driving mechanism and output shaft by planetary gears, compare with traditional mechanism, same motor only changes speed and the rotation direction that planetary gears just can obtain to be needed, can slow down rotating speed (8000 rpms), increase output torque, thereby reduce vibration and noise greatly, strengthen the stationarity of complete machine, prolong motor, particularly the service life of consumptive material,, can prevent also in the process of lapping that grinding charge spare temperature is too high because the use of consumptive material generally requires rotating speed at 3000～10000 rpms, reach the optimum efficiency of grinding, can be used for polishing, grind, a plurality of fields such as grinding;
2. the male cone (strobilus masculinus) of collet of the present utility model matches with the internal taper hole of output shaft, and having the driving force of increase and changing driving force is the function of workpiece clamping force, simultaneously, obtains the rotary inertia minimum of machine when work.
3. driving shaft of the present utility model and output shaft are worked under a linear state, can reduce the volume of body, good visual effect, handled easily; Back-up ring on the output shaft can prevent gear bearing axial float, has improved operability.
4. brush carrier copper liner of the present utility model is with brush and rotor contact, make its conduction, it is too high and make the brush carrier distortion that the life-span influence that this function avoids traditional lead to bring to brush, the use of brush carrier copper liner can delay the brush temperature, thereby can avoid influencing freely stretching of brush.
Description of drawings
Fig. 1 is the partial schematic sectional view of a specific embodiment of the present utility model.
Fig. 2 is the package assembly partial schematic sectional view of chuck, chuck nut, output shaft, clutch shaft bearing, second bearing and the back-up ring of a specific embodiment of the present utility model.
Fig. 3 is the partial structurtes schematic diagram of the rotor of a specific embodiment of the present utility model.
Fig. 4 is the cross-sectional schematic of the wiper mechanism of a specific embodiment of the present utility model.
Fig. 5 is another partial schematic sectional view of a specific embodiment of the present utility model.
Fig. 6 is the another partial schematic sectional view of a specific embodiment of the present utility model.
Fig. 7 is that the master of the headgear of a specific embodiment of the present utility model looks schematic diagram.
The specific embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also Fig. 1～shown in Figure 7, novel electric mill of the present utility model, comprise shell 1, output shaft 2 and the driving mechanism of fixing with described shell, described output shaft 2 rotatable being fixed in the described shell 1, described output shaft 2 comprises first end 21 and the second end 22, described driving mechanism comprises driving shaft 3, the utility model also comprises planetary gears, described planetary gears is arranged in described shell 1 and meshes described shell 1, and described driving shaft 3 is connected with described first end 21 by described planetary gears and is used to drive described output shaft 2 rotations.
Preferably, described planetary gears comprises gear bearing 4, lazy tooth 5 and gear pin 6, described gear bearing 4 is connected with described lazy tooth 5 by described gear pin 6, and described lazy tooth 5 meshes described shell 1 and described driving shaft 3 respectively, and described gear bearing 4 connects described first end 21.
In a specific embodiment of the present utility model, described first end 21 is provided with first external splines, and described gear bearing 4 is provided with first internal spline, and described first external splines meshes described first internal spline.
In a specific embodiment of the present utility model, described driving shaft 3 is provided with second external splines and meshes described lazy tooth 5 by described second external splines.
In a specific embodiment of the present utility model, described driving shaft 3 is arranged in described gear bearing 4.
Preferably, also comprise chuck 7 and chuck nut bistrique 8, described the second end 22 has endoporus and external screw thread, and 7 on described folder is arranged in described endoporus, and the described external screw thread of described chuck nut 8 engagements is limited in described chuck 7 in the described endoporus.In a specific embodiment of the present utility model, described chuck 7 is collets, and its male cone (strobilus masculinus) matches with the internal taper hole of output shaft 2, and having the driving force of increase and changing driving force is the function of workpiece clamping force, simultaneously, obtain the rotary inertia minimum of machine when work.
In a specific embodiment of the present utility model, also comprise back-up ring 9 and be fixed in the described shell 1 and the clutch shaft bearing 10 and second bearing 11 that be arranged in parallel, described output shaft 2 wears described clutch shaft bearing 10 and described second bearing 11 and fixing with described clutch shaft bearing 10 and described second bearing 11, and described back-up ring 9 is fixed on and is used for spacing described clutch shaft bearing 10 and described second bearing 11 on the described output shaft 2.Output shaft 2 can not move axially, but rotation flexibly.
Preferably, also comprise internal gear 12, described internal gear 12 is fixed in the described shell 1, and described planetary gears meshes described internal gear 12 and meshes described shell 1 indirectly by described internal gear 12.In a specific embodiment of the present utility model, the described internal gear 12 of the lazy tooth of described planetary gears 5 engagements, and be positioned at the draw-in groove of shell 1 moves axially, rotates flexibly in can be among a small circle.
Preferably, described driving mechanism is a motor, described motor comprises housing 13, wiper mechanism 14, stator 15 and rotor, described housing 13 is fixed with described shell 1, described stator 15 is fixed in the described housing 13, described driving shaft 3 is described rotors, and described rotor is arranged in described stator 15 and turns and is fixed on described shell 1, and described wiper mechanism 14 is arranged in described housing 13 and is electrically connected with described rotor.In a specific embodiment of the present utility model, stator 15 is fixed on the casing 13, can not move axially and rotate; Rotor is arranged in gear bearing 4 and meshes described lazy tooth 5, rolling bearing also is housed on it and is fixed on the casing 13, and casing 13 is fixing with described shell 1, so rotor can not move axially, but rotation is that indirect securement is on shell 1 flexibly.
In a specific embodiment of the present utility model, described wiper mechanism 14 comprises brush 16, brush copper spring 17, brush cap 18, brush carrier 19 and brush carrier copper liner 20, described brush carrier 19 is fixed in the described housing 13 and is arranged in described brush cap 18, described brush carrier copper liner 20 is arranged in described brush carrier 19 and passes described brush carrier 19 and is electrically connected with described rotor, described brush 16 and described brush copper spring 17 are arranged in described brush carrier copper liner 20, and described brush copper spring 17 two ends are respectively against described brush 16 and described brush cap 18.
In a specific embodiment of the present utility model, wiring is inserted spring 23 and is used for being connected fast power supply with switch 24, and switch 24 can effectively be controlled machine state.
In a specific embodiment of the present utility model, also comprise rubber axis bearing sleeve 30, cross recessed pan head tapping screw 25, closed end terminal 26, tension disc 27, cable cover(ing) 28 and power line 29, wherein to be used for fuselage shockproof for rubber axis bearing sleeve 30; It is fastening that cross recessed pan head tapping screw 25 models are that ST4X16 is used for, and closed end terminal 26 is used for connecting fast and insulation, and power line 29 is down fixing in the protection of tension disc 27, is subjected to the protection of cable cover(ing) 28 again, makes this fuselage insulation, can safety operation.
In a specific embodiment of the present utility model, latch 32 and retaining spring 33 are used for Fast Installation, the unloading bistrique, and headgear 34 plays protection and attractive in appearance.
In the utility model when assembling, is with pack into the endoporus of output shaft 2 of chuck 7, with chuck nut 8 precession external screw threads; Press-fit the clutch shaft bearing 10 and second bearing 11 on the output shaft 2, and fixing with back-up ring 9, and its first end 21 has external splines, and is connected with the internal spline of gear bearing 4; Planetary gears and internal gear 12 engagements, and put into shell 1, it is fixed in the draw-in groove; Rotor one end has external spline teeth, and meshes with lazy tooth 5, and two ends of rotor all is pressed with rolling bearing, rotor is fixed in the housing 13, and can rotates flexibly; Stator 15 is fixed in the housing 13 corresponding draw-in grooves, can not rotate, and an end has lead, and with electric capacity 31, brush carrier 19, brush carrier copper liner 20, brush cap 18, switch 24, power line 29 links to each other; Good all parts and arrangement of conductors, the housing 13 that closes, and the screw of screwing on are put into the through hole of brush carrier liner 20 with brush 16 and brush copper spring 17 again, and the brush cap 18 of screwing on brush carrier 19.
When the utility model uses, chuck 7 is installed on the output shaft 2, bistrique and fixing with chuck nut 8 is installed on the chuck 7, when motor rotates, utilize the external spline teeth of rotor front end to drive the planetary gears rotation, thereby, thereby drive the bistrique rotation by 2 rotations of planetary gears speed change rear drive output shaft.
The present invention adopts planetary gears as transmission mechanism, compare with traditional mechanism, because output shaft 2 and motor are to connect by planetary gear, can obtain to design the rotating speed that needs, increase the stationarity of machine, prolong motor, service life of consumptive material particularly, obtain bigger moment of torsion, can prevent also in the process of lapping that grinding charge spare temperature is too high, reaches the optimum efficiency of grinding; This product can be used for fields such as polishing, grinding, grinding.
To sum up, novel electric mill of the present utility model easy to use, greatly reduced vibration and noise, strengthened complete machine stationarity, prolonged the motor particularly service life and the compact conformation, small and exquisite of consumptive material.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. novel electric mill, comprise shell, output shaft and the driving mechanism of fixing with described shell, described output shaft is rotatable to be fixed in the described shell, described output shaft comprises first end and the second end, described driving mechanism comprises driving shaft, it is characterized in that, also comprises planetary gears, described planetary gears is arranged in described shell and meshes described shell, and described driving shaft is connected with described first end by described planetary gears and is used to drive described output shaft rotation.
2. novel electric mill according to claim 1, it is characterized in that, described planetary gears comprises gear bearing, lazy tooth and gear pin, described gear bearing is connected with described lazy tooth by described gear pin, described lazy tooth meshes described shell and described driving shaft respectively, and described gear bearing connects described first end.
3. novel electric mill according to claim 2 is characterized in that described first end is provided with first external splines, and described gear bearing is provided with first internal spline, and described first external splines meshes described first internal spline.
4. novel electric mill according to claim 2 is characterized in that, described driving shaft is provided with second external splines and meshes described lazy tooth by described second external splines.
5. novel electric mill according to claim 2 is characterized in that, described driving shaft is arranged in described gear bearing.
6. novel electric mill according to claim 1, it is characterized in that also comprise chuck and chuck nut bistrique, described the second end has endoporus and external screw thread, described chuck is arranged in described endoporus, and described chuck nut meshes described external screw thread described chuck is limited in the described endoporus.
7. novel electric mill according to claim 1, it is characterized in that, also comprise back-up ring and be fixed in the described shell and the clutch shaft bearing and second bearing that be arranged in parallel, described output shaft wear described clutch shaft bearing and described second bearing and with described clutch shaft bearing and described second bearing fixing, described back-up ring is fixed on and is used for spacing described clutch shaft bearing and described second bearing on the described output shaft.
8. novel electric mill according to claim 1 is characterized in that, also comprises internal gear, and described internal gear is fixed in the described shell, and described planetary gears meshes described internal gear and meshes described shell indirectly by described internal gear.
9. novel electric mill according to claim 1, it is characterized in that, described driving mechanism is a motor, described motor comprises housing, wiper mechanism, stator and rotor, described housing and described shell are fixed, and described stator is fixed in the described housing, and described driving shaft is described rotor, described rotor is arranged in described stator and turns and is fixed on described shell, and described wiper mechanism is arranged in described housing and is electrically connected with described rotor.
10. novel electric mill according to claim 9, it is characterized in that, described wiper mechanism comprises brush, brush copper spring, brush cap, brush carrier and brush carrier copper liner, described brush carrier is fixed in the described housing and is arranged in described brush cap, described brush carrier copper liner is arranged in described brush carrier and passes described brush carrier and contacts with described rotor, described brush and described brush copper spring are arranged in described brush carrier copper liner, and described brush copper spring two ends are respectively against described brush and described brush cap.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201577497U CN201320717Y (en) | 2008-12-25 | 2008-12-25 | New-type electrical milling |
| PCT/CN2009/076015 WO2010072168A1 (en) | 2008-12-25 | 2009-12-24 | Electric grinder |
| JP2011522377A JP5398834B2 (en) | 2008-12-25 | 2009-12-24 | Electric grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201577497U CN201320717Y (en) | 2008-12-25 | 2008-12-25 | New-type electrical milling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201320717Y true CN201320717Y (en) | 2009-10-07 |
Family
ID=41158105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201577497U Expired - Lifetime CN201320717Y (en) | 2008-12-25 | 2008-12-25 | New-type electrical milling |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5398834B2 (en) |
| CN (1) | CN201320717Y (en) |
| WO (1) | WO2010072168A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072168A1 (en) * | 2008-12-25 | 2010-07-01 | 上海卓特工具有限公司 | Electric grinder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011076627A1 (en) * | 2011-05-27 | 2012-11-29 | Robert Bosch Gmbh | Motor-driven hand grinder |
| JP6009312B2 (en) * | 2012-10-12 | 2016-10-19 | コマツＮｔｃ株式会社 | Grinder |
| CN114144594A (en) * | 2019-07-26 | 2022-03-04 | 株式会社电装 | Clutch device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5837784B2 (en) * | 1978-11-16 | 1983-08-18 | 株式会社日立製作所 | Brush holding device for rotating electric machines |
| JPS6188044A (en) * | 1984-10-05 | 1986-05-06 | Matsushita Electric Ind Co Ltd | Planetary gear unit |
| JPH02190643A (en) * | 1989-01-13 | 1990-07-26 | Daishowa Seiki Co Ltd | Transmission gear |
| JPH08118260A (en) * | 1994-10-20 | 1996-05-14 | Hitachi Koki Co Ltd | Wiring block of power tool |
| JPH08281548A (en) * | 1995-04-14 | 1996-10-29 | Hitachi Koki Co Ltd | Sander |
| JP2001071229A (en) * | 1999-07-05 | 2001-03-21 | Leben Co Ltd | Work device and rocking rotation converting unit |
| JP2003222201A (en) * | 2002-01-31 | 2003-08-08 | Nidec-Shimpo Corp | Planetary gear reduction gear and drive unit using same |
| CN2631696Y (en) * | 2003-07-22 | 2004-08-11 | 浙江铁鎯电动工具有限公司 | Easily disassembled grinding head mechanism of electric tool |
| CN100574054C (en) * | 2004-11-19 | 2009-12-23 | 乐金电子(天津)电器有限公司 | The brush assembly of electric of motor of dust collector |
| CN201030503Y (en) * | 2007-03-02 | 2008-03-05 | 高庭晖 | Hand-held electrical grinding machine |
| CN201320717Y (en) * | 2008-12-25 | 2009-10-07 | 上海卓特工具有限公司 | New-type electrical milling |
-
2008
- 2008-12-25 CN CNU2008201577497U patent/CN201320717Y/en not_active Expired - Lifetime
-
2009
- 2009-12-24 JP JP2011522377A patent/JP5398834B2/en not_active Expired - Fee Related
- 2009-12-24 WO PCT/CN2009/076015 patent/WO2010072168A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072168A1 (en) * | 2008-12-25 | 2010-07-01 | 上海卓特工具有限公司 | Electric grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5398834B2 (en) | 2014-01-29 |
| JP2012500123A (en) | 2012-01-05 |
| WO2010072168A1 (en) | 2010-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091007 |