CN104589189B - Dual trace eccentric structure polishing machine - Google Patents

Dual trace eccentric structure polishing machine Download PDF

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Publication number
CN104589189B
CN104589189B CN201510052568.2A CN201510052568A CN104589189B CN 104589189 B CN104589189 B CN 104589189B CN 201510052568 A CN201510052568 A CN 201510052568A CN 104589189 B CN104589189 B CN 104589189B
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China
Prior art keywords
eccentric
shaft
output shaft
polishing
axle
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CN201510052568.2A
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Chinese (zh)
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CN104589189A (en
Inventor
马广
高金云
丰志明
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ZHEJIANG JINMEI TOOLS CO Ltd
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ZHEJIANG JINMEI TOOLS CO Ltd
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Priority to CN201510052568.2A priority Critical patent/CN104589189B/en
Publication of CN104589189A publication Critical patent/CN104589189A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/04Protective covers for the grinding wheel

Abstract

The present invention relates to a kind of electric tool, specifically a kind of dual trace eccentric structure polishing machine, including body, motor is provided with the body, motor connects output shaft, and it also includes eccentric block, rolling bearing, eccentric shaft and polishing disk, and the eccentric block top is provided with the upper hole coordinated with output shaft, eccentric block bottom is provided with the lower opening coordinated with eccentric shaft, upper hole and lower opening decentraction;The eccentric shaft includes axle body and lower end, and lower end is arranged on axle body with diameter greater than axle body diameter, rolling bearing inner ring, and axle body upper end is provided with circlip for shaft, and housing washer is fixed by screws on eccentric block;The eccentric shaft is fixedly connected with polishing disk.The present invention is both rotated around output shaft, also rotated around eccentric shaft using eccentric block structure design, polishing disk, it is in use, very laborsaving, efficient so as to form dual trace curve movement, and quality of finish is substantially increased, also greatly reduce the professional of user.

Description

Dual trace eccentric structure polishing machine
Technical field
The present invention relates to a kind of electric tool, specifically a kind of dual trace eccentric structure polishing machine.
Background technology
Polishing machine and angle grinder belong to electric tool, and polishing machine is by bases such as body, polishing disk, polishing fabric and polishing covers This element is constituted.Motor is fixed on body, and the tapered sleeve of fixed polishing disk is connected by screw with motor reel.Polishing is knitted Thing is fastened on polishing disk by lasso, after motor is by the switch connection power activation on base, just can be with hand to sample Apply pressure to be polished on the polishing disk of rotation.Angle grinder is exactly the disc wheel and rubber sand using rotation at a high speed Wheel, wire wheel etc. are ground to hardware, cut, being eliminated rust, polishing processing.Angle grinder is adapted to cut, grind and brush Grind metal and stone material.
In the market overwhelming majority polishing machine is all coaxial concentric polishing machine, relatively elaborate when using, while being also required to non- Often the human users of specialty, could use.Further, since coaxial concentric design, the load of polishing directly acts on output end, To equipment(Motor)Service life has a significant impact.
In addition, electric tool currently on the market, otherwise the single function of possessing angle mill, otherwise single possess polishing Function.In order to cost-effective there is provided the utilization rate of single equipment, expand equipment and use scope, thus design one kind can be simultaneously Possess angle mill and the device of polishing machine function, also seem very necessary.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of easy to operate laborsaving, simple in construction, service life phase To long dual trace eccentric structure polishing machine.
Motor, motor connection are provided with a kind of dual trace eccentric structure polishing machine, including body, the body Output shaft, it also includes eccentric block, rolling bearing, eccentric shaft and polishing disk, and the eccentric block top is provided with to be coordinated with output shaft Upper hole, eccentric block bottom is provided with the lower opening coordinated with eccentric shaft, upper hole and lower opening decentraction;The eccentric shaft include axle body and Lower end, lower end is arranged on axle body with diameter greater than axle body diameter, rolling bearing inner ring, and axle body upper end is provided with axle elasticity Back-up ring, housing washer is fixed by screws on eccentric block;The eccentric shaft is fixedly connected with polishing disk.
Preferably, being provided with external screw thread on described output shaft, it is provided with what is coordinated with external screw thread on the eccentric block in hole Internal thread.
Preferably, the polishing disk upper end is provided with being provided with externally threaded fixing axle, eccentric shaft center be provided with it is above-mentioned solid The threaded interior hole that dead axle coordinates.
In the present invention, eccentric shaft axle body and rolling bearing integral installation are in eccentric block lower opening.According to eccentric shaft axle body The depth of length and eccentric block lower opening needs, and bearing can be selected one or more.Preferably, the rolling bearing is including upper Bearing and lower bearing two, upper bearing (metal) and lower bearing sleeve are located on eccentric shaft axle body.
Preferably, described rolling bearing is deep groove ball bearing.
Preferably, it also includes polishing cover, the polishing cover and body clamping, eccentric block is located in polishing cover.Throw Light shield is used to cover the components such as eccentric block, to protect the personal safety of operator.
Preferably, it also includes the angle mill component being selectively connected with body, the angle mill component is from top to bottom Including wheel guard, top board, grinding wheel, lower platen, the wheel guard and body clamping, the center difference of top board and grinding wheel Through hole is provided with, through-hole diameter is not less than output shaft diameter, and lower platen, which has, be provided with external screw thread on threaded interior hole, output shaft, pushes It is threadedly coupled between plate and output shaft.
The present invention has following beneficial effects:
(1)Designed using eccentric block structure, polishing disk both rotates around output shaft, is also rotated around eccentric shaft, so as to form double Track curve movement, it is in use, very laborsaving, efficient, and quality of finish is substantially increased, also greatly reduce User's is professional;
(2)Component is ground by dismantling angle in the polishing assemblies such as eccentric block, rolling bearing, eccentric shaft and polishing disk, replacement, can So that sanding machine is switched into angle grinder, the function of product is added, equipment is expanded and uses scope.
Brief description of the drawings
Fig. 1 is the dual trace eccentric structure polishing machine of embodiment one(Except body)Decomposition texture schematic diagram;
Fig. 2 is the assembling structure schematic diagram of the dual trace eccentric structure polishing machine of embodiment one;
Fig. 3 is the fundamental diagram of the dual trace eccentric structure polishing machine of embodiment one;
Fig. 4 is the structural representation of the embodiment of the present invention two.
Embodiment
The present invention will be further described with instantiation below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to This.
Embodiment one
Motor is provided with reference picture 1,2, a kind of dual trace eccentric structure polishing machine, including body 1, the body, Motor connects output shaft 11, and it also includes polishing cover 51, eccentric block 61, rolling bearing 63, eccentric shaft 65 and polishing disk 7, The top of eccentric block 61 is provided with the upper hole coordinated with output shaft 11, and the bottom of eccentric block 61 is provided with the lower opening coordinated with eccentric shaft, Upper hole and lower opening decentraction;The eccentric shaft includes axle body 651 and lower end 652, and lower end 652 is straight with diameter greater than axle body 651 Footpath, rolling bearing inner ring is arranged on axle body, and axle body upper end is provided with circlip for shaft 62, and housing washer passes through screw 64 are fixed on eccentric block 61.
The upper end of polishing disk 7 is provided with and above-mentioned fixing axle 71 provided with externally threaded fixing axle 71, eccentric shaft center is provided with The threaded interior hole of cooperation, the eccentric shaft 65 is screwed with polishing disk 7 to be connected.
The interior spiral shell for being provided with and coordinating with external screw thread in hole on external screw thread, the eccentric block 61 is provided with described output shaft 11 Line.
In the present invention, eccentric shaft axle body 651 and the integral installation of rolling bearing 63 are in eccentric block lower opening.The rolling bearing 63 include upper bearing (metal) and lower bearing two, and upper bearing (metal) and lower bearing sleeve are located on eccentric shaft axle body 651.Described rolling bearing 63 For deep groove ball bearing.
The polishing cover 51 and the clamping of body 1, eccentric block 61 are located in polishing cover 51.
The assembling process of the polishing machine of dual trace eccentric structure of the present invention is:
Two deep groove ball bearings 63 are loaded into circlip for shaft 62 on eccentric shaft 65, card, deep groove ball bearing 63 will be installed With the eccentric shaft of circlip for shaft on card 62, it is fitted into the lower opening of eccentric block 61;Two major part screws 64 are screwed on eccentric block to consolidate It is fixed, make the outer perimeter section of compression deep groove ball bearing 63;Finally, by polishing disk 7 by being screwed on eccentric shaft.Polishing disk 7 Can be changed the outfit sizes specification.
The operation principle of the polishing machine of dual trace eccentric structure of the present invention is:
Reference picture 3, motor drives output shaft 11 to rotate, and the pivot of output shaft 11 is O1, so as to drive polishing Disk 7 does a circular movement locus, and this movement locus formed is first curve movement T1 of dual trace polishing machine(With Dotted line is represented);After polishing disk 7 is rotated, due to the pivot O1 of output shaft 11 and eccentric shaft pivot O2 decentraction (eccentric throws E), under the influence of centrifugal force, polishing disk 7 can form dual trace eccentric structure simultaneously around eccentric shaft pivot O2 rotations The Article 2 curve movement T2 of polishing machine(It is indicated by the solid line).
Embodiment two
Reference picture 4, by the polishing cover 51 of embodiment one, eccentric block 61, rolling bearing 63, eccentric shaft 65 and polishing disk 7 etc. Component is unloaded, and established angle grinds component on body 1, you can obtain angle grinder.
Motor, motor connection output shaft 11, institute are provided with a kind of angle grinder, including body 1, the body 1 State angle mill component includes wheel guard 52, top board 2, grinding wheel 3, lower platen 4 from top to bottom, and the wheel guard 52 blocks with body 1 Connect, the center of top board 2 and grinding wheel 3 has through hole, and through-hole diameter has spiral shell not less than output shaft diameter, lower platen 4 External screw thread is provided with line endoporus, output shaft 11, is threadedly coupled between lower platen 4 and output shaft.
The assembling process that the present invention switches to angle grinder function is:
Body is loaded onto into wheel guard 52, wheel guard 52 is connected on the protecgulum of body 1 by the way of quick locking.Successively Threaded endoporus on top board 2, grinding wheel 3, lower platen 4, lower platen 4 is installed, by the threaded interior hole, lower platen 4 is tightened in On output shaft, and top board 2 and grinding wheel 3 are compressed, make to fix with output shaft.

Claims (1)

1. a kind of application method of dual trace eccentric structure polishing machine, it is characterised in that:Described dual trace eccentric structure polishing Motor is provided with machine, including body, the body, motor connects output shaft, and it also includes eccentric block, the axis of rolling Hold, eccentric shaft and polishing disk, the eccentric block top is provided with the upper hole coordinated with output shaft, and eccentric block bottom is provided with and eccentric shaft The lower opening of cooperation, upper hole and lower opening decentraction;The eccentric shaft includes axle body and lower end, and lower end is straight with diameter greater than axle body Footpath, rolling bearing inner ring is arranged on axle body, and axle body upper end is provided with circlip for shaft, and housing washer is solid by screw It is scheduled on eccentric block;The eccentric shaft is fixedly connected with polishing disk;
The internal thread for being provided with and coordinating with external screw thread in hole on external screw thread, the eccentric block is provided with described output shaft;
The polishing disk upper end is provided with the screw thread coordinated with above-mentioned fixing axle provided with externally threaded fixing axle, eccentric shaft center is provided with Endoporus;
The rolling bearing includes upper bearing (metal) and lower bearing two, and upper bearing (metal) and lower bearing sleeve are located on eccentric shaft axle body;
Described rolling bearing is deep groove ball bearing;
Described dual trace eccentric structure polishing machine also includes polishing cover, the polishing cover and body clamping, and eccentric block is located at In polishing cover;
Described dual trace eccentric structure polishing machine also includes the angle mill component being selectively connected with body, the angle mill group Part includes wheel guard, top board, grinding wheel, lower platen, the wheel guard and body clamping, top board and grinding wheel from top to bottom Center have a through hole, through-hole diameter not less than output shaft diameter, lower platen have be provided with threaded interior hole, output shaft it is outer Screw thread, is threadedly coupled between lower platen and output shaft;
The application method of the polishing machine of dual trace eccentric structure of the present invention is:
Two deep groove ball bearings are loaded into circlip for shaft on eccentric shaft, card, deep groove ball bearing and the upper axle bullet of card will be installed The eccentric shaft of property back-up ring, is fitted into eccentric block lower opening;Screw on two major part screws to fix with eccentric block, make compression deep groove ball bearing Outer perimeter section;Finally, by polishing disk by being screwed on eccentric shaft;
During work:Motor drives output shaft rotation, and the pivot of output shaft is O1, so as to drive polishing disk to do a circle The movement locus of shape, this movement locus formed is first curve movement of dual trace polishing machine;After polishing disk is rotated, by In output shaft pivot and eccentric shaft pivot decentraction, under the influence of centrifugal force, polishing disk can be simultaneously around eccentric shaft Pivot O2 rotations, form the Article 2 curve movement of dual trace eccentric structure polishing machine;
Polishing cover, eccentric block, rolling bearing, eccentric shaft and polishing disk component are unloaded, established angle grinds component on body, you can Angle grinder is obtained, described angle grinder includes being provided with motor in body, the body, motor connection output shaft, institute State angle mill component includes wheel guard, top board, grinding wheel, lower platen, the wheel guard and body clamping, top board from top to bottom Through hole is had with the center of grinding wheel, through-hole diameter has threaded interior hole, output shaft not less than output shaft diameter, lower platen On be provided with external screw thread, be threadedly coupled between lower platen and output shaft;
The assembling process of angle grinder of the present invention is:
Body is loaded onto into wheel guard, wheel guard is connected on body protecgulum by the way of quick locking;Pressure is installed successively Threaded endoporus on plate, grinding wheel, lower platen, lower platen, by the threaded interior hole, lower platen is tightened on output shaft, and is pressed Tight top board and grinding wheel, make to fix with output shaft.
CN201510052568.2A 2015-02-02 2015-02-02 Dual trace eccentric structure polishing machine Active CN104589189B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510052568.2A CN104589189B (en) 2015-02-02 2015-02-02 Dual trace eccentric structure polishing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510052568.2A CN104589189B (en) 2015-02-02 2015-02-02 Dual trace eccentric structure polishing machine

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CN104589189B true CN104589189B (en) 2017-07-14

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019154292A1 (en) * 2018-02-11 2019-08-15 南京德朔实业有限公司 Polishing tool
CN109352512A (en) * 2018-12-04 2019-02-19 苏州丰川电子科技有限公司 Metal surface automatic machining device
CN109605212A (en) * 2018-12-10 2019-04-12 苏州丰川电子科技有限公司 High-precision working apparatus for electronic equipment casing
CN109605189A (en) * 2018-12-10 2019-04-12 苏州丰川电子科技有限公司 Full-automatic accurate grinding device
CN109623567A (en) * 2018-12-10 2019-04-16 苏州丰川电子科技有限公司 Notebook computer shell machine for automatic working structure
CN109514423A (en) * 2018-12-10 2019-03-26 苏州丰川电子科技有限公司 High Precision Automatic sander
CN109623568A (en) * 2018-12-10 2019-04-16 苏州丰川电子科技有限公司 Metal shell processing feeding polishing all-in-one machine
CN109623566A (en) * 2018-12-10 2019-04-16 苏州丰川电子科技有限公司 Processing integrated machine for notebook computer shell

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DE3906549C2 (en) * 1989-03-02 1992-07-30 Robert Bosch Gmbh, 7000 Stuttgart, De
CN2858182Y (en) * 2005-09-02 2007-01-17 冠亿齿轮股份有限公司 Polishing machine with structure of assistant fast stopping rotation
DE102006061634A1 (en) * 2006-12-27 2008-07-03 Robert Bosch Gmbh Eccentric grinder, has friction brake device with friction surface that stands perpendicularly to rotation axis of grinding disk that exhibits course, which is sloping outwards from inner side in radial direction
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Free format text: CORRECT: INVENTOR; FROM: GAO JINYUN FENG ZHIMING TO: MA GUANG GAO JINYUN FENG ZHIMING

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