CN104308684A - Grinding machine with centrifugal fan for building walls - Google Patents
Grinding machine with centrifugal fan for building walls Download PDFInfo
- Publication number
- CN104308684A CN104308684A CN201410596738.9A CN201410596738A CN104308684A CN 104308684 A CN104308684 A CN 104308684A CN 201410596738 A CN201410596738 A CN 201410596738A CN 104308684 A CN104308684 A CN 104308684A
- Authority
- CN
- China
- Prior art keywords
- bag
- centrifugal blower
- motor
- planetary gear
- sander
- 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.)
- Pending
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
- B24B7/182—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
-
- 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
- B24B55/00—Safety 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
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
- B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention provides a grinding machine with a centrifugal fan for building walls. The grinding machine comprises a handle, a sand mill and the centrifugal fan. The sand mill is driven by a motor. The sand mill comprises the motor, a planetary gear reducing mechanism and a grinding disc. The planetary gear reducing mechanism is arranged between the grinding disc and the motor and comprises an output shaft. The output shaft is connected with the grinding disc and the centrifugal fan respectively to drive the same to run. The motor is connected with the planetary gear reducing mechanism through the output shaft of the motor. The planetary gear reducing mechanism is composed of a planetary gear train and a reducer housing which are matched with each other. The planetary gear train comprises a first center gear, a second center gear and a planetary gear and is mounted in the reducer housing. The output shaft of the motor is connected with the first center gear. The second center gear is connected with the grinding disc. The grinding machine is simple and compact in structure, small in size, light in weight and convenient to operate and adopts the centrifugal fan to collect dust to protect the environment.
Description
Technical field
The present invention relates to the sander of a kind of building wall with centrifugal blower, belong to architecture construction technical field.
Background technology
Polishing putty layer is that building wall sprays paint or one critical process before mopping, and whether metope is smooth attractive in appearancely depends on polishing quality to a great extent.The most polishing of employing traditional-handwork metope, i.e. hand-held sand papering in current construction and decoration.Not only efficiency is low for traditional-handwork polishing metope, and application workman dust when polishing metope flies upward all over the sky, although their fully armed protection, still can work the mischief to its health.During polishing metope, dust is diffused into air, also causes severe contamination to surrounding environment.In addition, the high and dynamo-electric grinding apparatus of environmental protection of a kind of efficiency is studied, significant for guarantee workers ' health, protection of the environment, raising operating efficiency and polishing quality.China Patent No. 200710193709.8 discloses the manual grinding dust removing device of a kind of metope for room, end face manual grinding operation, it comprises: Abrasive paper support, motor, flexible pipe, storage dirt device, although it considers the impact on environment, the dust of polishing is collected and enters storage dirt device, but it still adopts manual grinding, inefficiency.
Summary of the invention
Main purpose of the present invention is to provide the sander of a kind of building wall with centrifugal blower, its compact conformation, small volume, lighter in weight, convenient operation, and adopts centrifugal blower to collect dust, is beneficial to environmental protection.
In order to achieve the above object, the present invention adopts following technical scheme: the sander of a kind of building wall with centrifugal blower, comprise handle, with motor-driven sand mill and centrifugal blower, described sand mill comprises motor, planetary gear speed reducing mechanism and mill, planetary gear speed reducing mechanism is provided with between described mill and motor, planetary gear speed reducing mechanism comprises output shaft, and described output shaft is connected with described mill and centrifugal blower respectively, to be with movable grinding disc and centrifugal blower running; Motor is connected with planetary gear speed reducing mechanism by motor output shaft, described planet gear reducing mechanism is made up of planet circular system and reducer shell with matching, planet circular system comprises the first centre wheel, the second centre wheel and planetary gear, and described planet circular system is arranged in described reducer shell; Described motor output shaft is connected with described first centre wheel, and described second centre wheel is connected with mill; Above-mentioned motor can export the power of low-speed big under the transformation of planet gear reducing mechanism, has saved space, makes simple and compact for structure.In addition, in prior art, dust collected by usual vacuum cleaner, and the dust produced in the wall surface grinding machine course of work is siphoned away by the sweep-up pipe of handle rear end, but because handle is longer, will pull hose in operating process and carry out work, hose should easily be changed, again fixation; And the present invention adopts small-sized centrifugal blower to replace vacuum cleaner, the dust in bruting process is centrifuged blower fan and takes away discharge, eliminates the use of sweep-up pipe.
As further preferably, described planetary gear is 3,3 planetary gears be arranged so that the present invention is more stable in strength transmission, transmission better effects if.
As further preferred, three planetary gears are evenly distributed between the first centre wheel and the second centre wheel with the angle of 120 ° each other.
As further preferably, be radially provided with handle in the peripheral surface of described motor.
As further preferred, described handle is hollow handle, further weight reduction.
As further preferred, described motor adopts individual event series machine, and individual event series machine has the torque-speed characteristic that rotating speed is high, volume is little, starting torque is large, overload power is strong and soft.
As further preferred, the described centrifugal blower other end is connected with filter bag.
As further preferred, described filter bag comprises at the bottom of bag and bag, and cylindrically, bag one end is fixedly connected with at the bottom of bag bag, and the bag other end is opening, and described bag surface is provided with the annular groove that circumference extends.Because bag surface is provided with the annular groove of circumference extension, compared with the bag of prior art cylindrical shape, in the present invention, the surface area of bag increases.In the unit interval, filter bag of the present invention can filter more dust, improves filter efficiency.In addition, it is more that annular groove is arranged, and filter efficiency is higher.
As further preferred, the degree of depth of described annular groove reduces successively from the opening to bag at the bottom of bag.The wind contributing to like this blowing from the opening part of bag impacts annular groove, guarantees that dust is washed from annular groove.
The invention has the beneficial effects as follows: individual event series machine is under output identical power conditions, and rotating speed is higher, and weight is lighter, therefore, should select pot motor for alleviating weight of equipment.And in the meticulousr polishing constructions such as polishing building wall face putty layer, require that the working speed of sanding disc is lower, therefore need between motor output shaft and sanding disc, arrange the larger reducing gear of speed reducing ratio.For the sand mill of meticulousr polishing construction in prior art, usually adopt two-stage spur gear to slow down, to improve rotating ratio, but such sand mill Heavy Weight, volume are large, operation uses very inconvenient.Due to Planetary Gear Transmission, there is the transmission of power dividing and each centre wheel formation coaxial line formula and reasonably apply internal gear pair, its compact conformation, volume therefore can be made little and lightweight.The 1/2-1/5(that the contour dimension of general Planetary Gear Transmission and weight are about ordinary gear transmission is bearing under identical load-up condition).In addition the efficiency of Planetary Gear Transmission is also high.Therefore adopt planetary gear speed reducing mechanism to make dust suction sand milling compact conformation, volume little and lightweight.Adopt centrifugal blower and filter bag to collect and Chalk-dust filtering, efficiency is high, overcomes in prior art the shortcoming using sweep-up pipe etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention building wall sander.
Fig. 2 is the inner connecting structure figure of planetary gear speed reducing mechanism in Fig. 1.
Fig. 3 is the structural representation of the filter bag that in Fig. 1, centrifugal blower connects.
What mark in accompanying drawing is described as follows: at the bottom of 1-handle, 2-motor, 3-planetary gear speed reducing mechanism, 4-mill, 5-centrifugal blower, 6-filter bag, 3.1-first centre wheel, 3.2-second centre wheel, 3.3-planetary gear, 6.1-bag, 6.2-bag, 6.3-annular groove.
Detailed description of the invention
The realization of the object of the invention, functional characteristics and beneficial effect, be described further below in conjunction with specific embodiment and accompanying drawing.
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail, can better understand the present invention to make those skilled in the art and can be implemented, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1-2, the sander of embodiment of the present invention building wall with centrifugal blower, the sand mill comprise handle 1, using motor 2 to drive and centrifugal blower 5, described sand mill comprises motor 2, planetary gear speed reducing mechanism 3 and mill 4, planetary gear speed reducing mechanism 3 is provided with between described mill 4 and motor 2, planetary gear speed reducing mechanism 3 comprises output shaft, and described output shaft is connected with described mill 4 and centrifugal blower 5 respectively, operates to be with movable grinding disc 4 and centrifugal blower 5; Motor 2 is connected with planetary gear speed reducing mechanism 3 by motor output shaft, described planet gear reducing mechanism 3 is made up of planet circular system and reducer shell with matching, planet circular system comprises the first centre wheel 3.1, second centre wheel 3.2 and planetary gear 3.3, and described planet circular system is arranged in described reducer shell; Described motor output shaft is connected with described first centre wheel 3.1, and described second centre wheel 3.2 is connected with mill 4; Above-mentioned motor 2 can export the power of low-speed big under the transformation of planet gear reducing mechanism 3, has saved space, has made simple and compact for structure.The present invention adopts small-sized centrifugal blower 5 to replace vacuum cleaner conventional in prior art, and the dust in bruting process is centrifuged blower fan 5 and takes away discharge.
Described planetary gear 3.3 is three, and three planetary gears 3.3 are evenly distributed between the first centre wheel 3.1 and the second centre wheel 3.2 with the angle of 120 ° each other.
Handle 1 is radially provided with in the peripheral surface of described motor 2.Described handle 1 is hollow handle, further weight reduction.
Described motor 2 adopts individual event series machine, and individual event series machine has the torque-speed characteristic that rotating speed is high, volume is little, starting torque is large, overload power is strong and soft.
Described centrifugal blower 5 other end is connected with filter bag 6.As shown in Figure 3, described filter bag to comprise at the bottom of bag 6.1 and bag 6.2, and cylindrically, bag 6.1 one end 6.2 to be fixedly connected with at the bottom of bag bag 6.1, and bag 6.1 other end is opening, and described bag 6.1 surface is provided with the annular groove 6.3 that circumference extends.In addition, it is more that annular groove 6.3 is arranged, and filter efficiency is higher.
In dust removal by filtration process, when filter bag 6 outer surface have accumulated a certain amount of dust, need the opening part from bag 6.1, to filter bag 6 impact air, the dust that filter bag 6 outer surface is accumulated is washed from filter bag 6, by the degree of depth of described annular groove 6.3 from 6.2 reducing successively to the opening of bag 6.1 at the bottom of bag, the wind contributing to like this blowing from the opening part of bag 6.1 impacts annular groove 6.3, guarantees that dust is washed from annular groove 6.3.
Claims (9)
1. the sander of a building wall with centrifugal blower, it is characterized in that: comprise handle, with motor-driven sand mill and centrifugal blower, described sand mill comprises motor, planetary gear speed reducing mechanism and mill, planetary gear speed reducing mechanism is provided with between described mill and motor, described planetary gear speed reducing mechanism is connected with described mill and centrifugal blower respectively, to be with movable grinding disc and centrifugal blower running; Motor is connected with planetary gear speed reducing mechanism by motor output shaft, described planet gear reducing mechanism is made up of planet circular system and reducer shell with matching, planet circular system comprises the first centre wheel, the second centre wheel and planetary gear, and described planet circular system is arranged in described reducer shell; Described motor output shaft is connected with described first centre wheel, and described second centre wheel is connected with mill.
2. the sander of building wall according to claim 1 with centrifugal blower, is characterized in that: described planetary gear is 3.
3. the sander of building wall according to claim 2 with centrifugal blower, is characterized in that: three planetary gears are evenly distributed between the first centre wheel and the second centre wheel with the angle of 120 ° each other.
4. the sander of building wall according to claim 1 with centrifugal blower, is characterized in that: be radially provided with handle in the peripheral surface of described motor.
5. the sander of the building wall according to claim 1 or 4 with centrifugal blower, is characterized in that: described handle is hollow handle.
6. the sander of building wall according to claim 1 with centrifugal blower, is characterized in that: described motor adopts individual event series machine.
7. the sander of building wall according to claim 1 with centrifugal blower, is characterized in that: the described centrifugal blower other end is connected with filter bag.
8. the sander of building wall according to claim 7 with centrifugal blower, it is characterized in that: described filter bag comprises at the bottom of bag and bag, bag cylindrically, bag one end is fixedly connected with at the bottom of bag, the bag other end is opening, and described bag surface is provided with the annular groove that circumference extends.
9. the sander of building wall according to claim 8 with centrifugal blower, is characterized in that: the degree of depth of described annular groove reduces successively from the opening to bag at the bottom of bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596738.9A CN104308684A (en) | 2014-10-31 | 2014-10-31 | Grinding machine with centrifugal fan for building walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410596738.9A CN104308684A (en) | 2014-10-31 | 2014-10-31 | Grinding machine with centrifugal fan for building walls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104308684A true CN104308684A (en) | 2015-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410596738.9A Pending CN104308684A (en) | 2014-10-31 | 2014-10-31 | Grinding machine with centrifugal fan for building walls |
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| CN (1) | CN104308684A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035684U (en) * | 1988-07-20 | 1989-04-12 | 冶金工业部建筑研究总院 | Dust-suction type electric grinding-wheel dressing machine |
| US4845898A (en) * | 1986-09-04 | 1989-07-11 | Licentia Patent-Verwaltungs-Gmbh | Orbital sander |
| CN101065217A (en) * | 2004-09-29 | 2007-10-31 | 布莱克和戴克公司 | Drywall sander |
| CN201586904U (en) * | 2009-10-14 | 2010-09-22 | 泮慧亚 | Dust collecting type electric abrasive finishing machine |
| CN201921607U (en) * | 2010-12-28 | 2011-08-10 | 江苏菲特滤料有限公司 | Filter bag |
| CN204171813U (en) * | 2014-10-31 | 2015-02-25 | 浙江丽佳建筑装饰工程有限公司 | The sander of a kind of building wall with centrifugal blower |
-
2014
- 2014-10-31 CN CN201410596738.9A patent/CN104308684A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4845898A (en) * | 1986-09-04 | 1989-07-11 | Licentia Patent-Verwaltungs-Gmbh | Orbital sander |
| CN2035684U (en) * | 1988-07-20 | 1989-04-12 | 冶金工业部建筑研究总院 | Dust-suction type electric grinding-wheel dressing machine |
| CN101065217A (en) * | 2004-09-29 | 2007-10-31 | 布莱克和戴克公司 | Drywall sander |
| CN201586904U (en) * | 2009-10-14 | 2010-09-22 | 泮慧亚 | Dust collecting type electric abrasive finishing machine |
| CN201921607U (en) * | 2010-12-28 | 2011-08-10 | 江苏菲特滤料有限公司 | Filter bag |
| CN204171813U (en) * | 2014-10-31 | 2015-02-25 | 浙江丽佳建筑装饰工程有限公司 | The sander of a kind of building wall with centrifugal blower |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |