CN104440440B - Pneumatic linear reciprocating polisher and using method thereof - Google Patents
Pneumatic linear reciprocating polisher and using method thereof Download PDFInfo
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- CN104440440B CN104440440B CN201410790996.0A CN201410790996A CN104440440B CN 104440440 B CN104440440 B CN 104440440B CN 201410790996 A CN201410790996 A CN 201410790996A CN 104440440 B CN104440440 B CN 104440440B
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- spool
- hole
- piston
- valve pocket
- sand paper
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Classifications
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The present invention relates to a kind of pneumatic linear reciprocating polisher and using method thereof, it is characterized in that: include sand paper clamping plate and the main body being located on sand paper clamping plate, stretching out the piston rod of two reciprocal stretching motions in the same direction in described main body, the free end of two-piston bar is separately fixed on two support seats of sand paper clamping plate.The present invention pneumatic linear reciprocating polishing function reaches the vestige effect of people's manual grinding, it is to avoid the lines of the zone circle circle that rotary polisher grinds.
Description
Technical field:
The present invention relates to a kind of pneumatic linear reciprocating polisher and using method thereof.
Background technology:
The purpose of polishing is to make body surface the most smooth, at present beating at most of irregular surfaces or metope
Mill processes and the most manually polishes, although polish effective, but grinding efficiency is low, and sand paper usage amount is bigger；And
Some the mechanical grinding machines occurred at present are rotary polisher, are not suitable for the polishing of many irregular surfaces, and due to it
Polishing track is circular, easily forms uneven circle shape polishing vestige on polishing surface, and effect is undesirable, and rotates
The sand paper that formula polisher uses is necessary for the sand paper of back flocking, and use cost is high.
Summary of the invention:
It is an object of the invention to provide a kind of pneumatic linear reciprocating polisher and using method, this sander structure
Simply, reasonable in design, be advantageously implemented high efficiency linear reciprocation polishing.
The present invention pneumatic linear reciprocating polisher, it is characterised in that: include sand paper clamping plate and be located at sand paper clamping plate
On main body, described main body is stretched out the piston rod of two reciprocal stretching motions the most in the same direction, the free end of two-piston bar is fixed respectively
On two support seats of sand paper clamping plate.
Further, the bottom surface of aforementioned body is provided with several rollers and is resisted against on the upper surface of sand paper clamping plate.
Further, above-mentioned sand paper clamping plate both side ends is provided with V-groove, and on V-groove, pressure is provided with V-type tabletting, described V-type
Tabletting is locked on sand paper clamping plate by wing nut.
Further, aforementioned body sidepiece is fixedly connected with curved rod, and curved rod is connected with extensible gripping handle, institute
Stating gripping handle central part and be equipped with sweep-up pipe, described sweep-up pipe stretches into the cover cap being located in main body.
Further, aforementioned body includes the housing passed through mutually, the most fixing valve pocket being located in housing and laterally consolidates
Surely it is located at the chamber set of valve pocket both sides, is provided with in described valve sleeve body and can be provided with described in the set of described chamber at the spool of its internal slip
Two-piston bar, the medial extremity of described two-piston bar is equipped with piston, and described spool is cylinder, is provided with three on the cylinder
Section first, second, third annular piston that matches with valve pocket inner surface of outer surface, is provided with two in spool and is parallel to each other
First, second counterbore, the first counterbore extends between second, third annular piston described toward the second end from spool the first end, and
Communicating with arranging the first perforation between second, third annular piston, the second counterbore extends to institute from spool the second end toward the first end
State between first, second annular piston, and communicate with arranging the second perforation between first, second annular piston；Described valve pocket is
Cylindrical shroud, its center section part is provided with the first through hole, is positioned at valve pocket both ends circumference and is all evenly equipped with four left and right second through holes,
Being provided with two third through-holes on valve pocket between the first through hole and the second through hole, the third through-hole axial line on each two of both sides is altogether
Line, the first plane that this two axial line is formed is perpendicular with the first through hole axial line, has the axle of four through holes in the second through hole
Heart line is positioned in the first plane.
Further, it is provided with spring between above-mentioned two-piston and valve pocket outer surface.
Further, above-mentioned valve pocket surface is positioned at the second through hole, third through-hole position is provided with undergauge, the third through-hole of side
Overlapping outer surface with the chamber on the left side to connect, the chamber set outer surface on this left side is through with left side piston outboard end cavity again, opposite side
The chamber on third through-hole and the right overlap outer surface and connect, the chamber set outer surface on the right of this passes through with the right piston outboard end cavity again
Logical.
Further, above-mentioned left side piston outboard end cavity and the right piston outboard end cavity all have damping ring and end cap envelope
Stifled, all there are airtight axle and O closure in valve pocket two ends.
The using method of the present invention pneumatic linear reciprocating polisher, it is characterised in that: described pneumatic linear reciprocating is beaten
Grinding machine includes sand paper clamping plate and the main body being located on sand paper clamping plate, and described main body is stretched out two reciprocal stretching motions in the same direction
Piston rod, the free end of two-piston bar be separately fixed at sand paper clamping plate two support seats on, during use, user is hand-held solid
Determine or by rod member stationary body outer surface, piston rod reciprocal stretching motion the most in the same direction under external force, drive sand paper clamping plate
And the sand paper linear reciprocating motion of upper clamping, it is achieved sand paper straight line polishing body surface.
The present invention pneumatic linear reciprocating polisher advantage:
1) linear reciprocating polishing, multiple irregular surface of polishing, can reach the vestige effect of people's manual grinding, it is to avoid
The lines of the zone circle circle that rotary polisher grinds,
2) product weight is light, and portion of the handle weight only has the 1/3 of rotary polisher, reduces labor strength, it is to avoid
Rotary polisher translator, it is difficult to reduce the drawback of complete machine weight,
3) portion of the handle does not make electricity consumption, improves the safety worked under the environment such as outdoor and moist,
4) circle, the sand paper of the various shape such as square, and convenient mounting and clamping, effect pre-tensioner to sandpaper strip can be used.Purchase
The buyer just, low cost, change rotary polisher and can only use the sand paper of circular strip back flocking, the drawback that cost is high,
5) can realize polishing without side seam, multiple negative and positive angle of can polishing, it is to avoid rotary polisher is difficult to negative and positive of polishing
The drawback of the positions such as angle.
Accompanying drawing illustrates:
Fig. 1 is the axonometric chart of the present invention pneumatic linear reciprocating polisher；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is main body and the axonometric chart of sand paper clamping plate assembled state；
Fig. 4 is the local structure schematic diagram in sand paper clamping portion；
Fig. 5 is the drawing in side sectional elevation of main body；
Fig. 6 is the cross section axis side view of main body；
Fig. 7 is the profile of spool；
Fig. 8 is the axonometric chart of spool；
Fig. 9 is the profile of valve pocket；
Figure 10 is the axonometric chart of valve pocket；
Figure 11-15 is that in the motion explanatory diagram of valve pocket, (casting mesh line local represents into high pressure strength and goes to live spool
The pressure gas of plug working chamber, circular section line local represents the pressure release gas in aerofluxus and pistons work chamber)；
Figure 16 is the center that the initial position of limiting case bottom spool is in valve pocket.
Detailed description of the invention:
The present invention pneumatic linear reciprocating polisher, including sand paper clamping plate 1 and the main body 2 being located on sand paper clamping plate 1,
Stretching out the piston rod 3 of two reciprocal stretching motions in the same direction in described main body 2, the free end of two-piston bar 3 is separately fixed at sand paper
On two support seats 4 of clamping plate；During use, user is hand-held fixing or by rod member stationary body outer surface, piston rod is outside
Reciprocal stretching motion in the same direction under power effect, owing to main body is relatively fixed, therefore just drives sand paper clamping plate and the sand of upper clamping thereof
Paper linear reciprocating motion, it is achieved sand paper straight line polishing body surface.
Further, in order to preferably to sand paper clamping plate exert a force, the bottom surface of aforementioned body be provided with several rollers 5 against
On the upper surface of sand paper clamping plate, sand paper clamping plate is provided with stopper slot and moves with limited roller 5.
Further, in order to preferably clamp sand paper 13, above-mentioned sand paper clamping plate both side ends is provided with V-groove 6, V-groove 6
Upper pressure is provided with V-type tabletting 7, and described V-type tabletting is locked on sand paper clamping plate by wing nut 8.
Further, using for convenience, aforementioned body sidepiece is fixedly connected with curved rod 9, and curved rod is with extensible
Gripping handle 10 connects, and described gripping handle 10 central part is equipped with sweep-up pipe 11, and described sweep-up pipe stretches into and is located in main body
Cover cap 12, in use have substantial amounts of dust to produce, utilize sweep-up pipe 11 to be connected the most absorbable with extraneous vacuum cleaner
Dust.
Further, in order to reasonable in design, aforementioned body includes that the housing K1 passed through mutually, vertical fixing are located in housing
Valve pocket K2 and the horizontal fixing chamber set K3 being located at valve pocket both sides, being provided with in described valve pocket K2 body can be at the spool of its internal slip
K4, is provided with described two-piston bar 3 in the set of described chamber, and the medial extremity of described two-piston bar 3 is equipped with piston K5, and described spool is
Cylinder, be provided with on the cylinder first, second, third annular piston K6 that three sections of outer surfaces match with valve pocket inner surface,
K7, K8, be provided with two first, second counterbore K9, K10 being parallel to each other in spool, and the first counterbore K9 is from spool the first end K25
Extend between second, third annular piston described toward the second end K11, and and second, third annular piston between arrange first
Perforation K12 communicates, and the second counterbore K10 extends to described first, second annular piston from spool the second end K11 toward the first end K25
Between, and communicate with arranging the second perforation K13 between first, second annular piston；Described valve pocket is cylindrical shroud, its center section part
It is provided with the first through hole K14, is positioned at valve pocket both ends circumference and is all evenly equipped with four left and right second through hole K15, valve pocket is positioned at
Two third through-hole K16 it are provided with between one through hole and the second through hole, the third through-hole axial line conllinear on each two of both sides, this two axle
The first plane that heart line is formed is perpendicular with the first through hole axial line, has the axial line of four through holes to be positioned in the second through hole
In one plane.
Further, in order to beneficially piston rod is replied, spring K17 between above-mentioned two-piston and valve pocket outer surface, it is provided with.
Further, above-mentioned valve pocket surface is positioned at the second through hole, third through-hole position is provided with undergauge K18, the 3rd of side
Through hole connects with the chamber set outer surface K19 on the left side, and the chamber set outer surface on this left side passes through with left side piston outboard end cavity K20 again
Logical, the third through-hole of opposite side connects with the chamber set outer surface K21 on the right, the chamber on the right of this overlap outer surface again with the right piston
Cavity K22 is through for outboard end.
Spool and the operation principle of valve pocket:
Figure 11 represents that when supposition is initial, spool is in (right positions is symmetrical with left side principle) on the left of valve pocket.Air inlet P enters
Gas, pressure gas passes through the annulus area of spool to working hole B output pressure.The pressure release gas in pistons work chamber is passed through valve by QI KOU A
The annulus area of core is to air vent S1 and S2 aerofluxus.Now spool is accelerated to the right mobile by left side cavity volume internal gas pressure effect, right side
Hold intracavity gas by air vent S1 and S2 aerofluxus.
Figure 12 represents that spool is continued to the right by left side cavity volume internal gas pressure effect and accelerates to move, and will close air inlet P and row
QI KOU S1 and S2.
Figure 13 represents that spool is in valve pocket centre position.Air inlet P, air vent S1 and S2 are in nearly closed state.Now
Spool is continued to move right by left side cavity volume internal gas pressure and effect of inertia own.
Figure 14 represents that spool moves to valve pocket center deviation right positions.In air inlet P, pressure gas passes through spool annulus area
Pressure gas is led to working hole A.In working hole B, gas connects air vent S1 and S2 by spool annulus area, and now spool is by this
Body effect of inertia continues to move right, but is slowed down by right side cavity volume inner air pressure.
Figure 15 represents that spool moves to valve pocket right positions.In air inlet P, pressure gas passes through spool annulus area to work
Mouth A leads to pressure gas.In working hole B, gas connects air vent S1 and S2 by spool annulus area, and now spool is by right side cavity volume
Inner air pressure slows down and stops and starting moving to the left, starts reciprocal.
Wherein P is the air inlet of pressure-air air inlet, and corresponding mouth is the first through hole K14.Working hole A, working hole B correspondence respectively
The third through-hole K16 on both sides, the second through hole K15 on S1, S2 correspondence both sides.
Figure 16 represents that the initial position of limiting case bottom spool is in the center of valve pocket.But because of mismachining tolerance, Form and position error
Or the gravity deflection etc. that total placed angle causes, all can make the row of air inlet P air inlet back valve core left and right sides cavity volume
Tolerance is uneven, i.e. pressure at both sides is uneven, and the direction low to pressure is moved by spool, also can start the circulation of B figure.
Spool of the present invention and valve pocket are with the difference of other air operated reversing valve on market
1) electricity consumption and other external control strength, signal etc. are not made, it is achieved the automatic reciprocating commutation motion of air valve.
The most existing reversal valve or electromagnetic switch, or the commutation of pneumatic external control, be required for outside and be given and change
To signal, essence is to provide electromagnetism or pneumatic commutation thrust, could realize the commutation of valve, and this reversal valve is by pneumatic in valve
Portion produces commutation thrust, eliminates external control link, simply enters air pressure, and spool is in ceaselessly commutation process the most automatically
In, it is adaptable to need the mechanism automatically moved back and forth.
2) commutating frequency is high, can stepless frequency modulation.
The most existing reversal valve, the frequency of commutation is by the frequency limitation of the external control signal such as electromagnetism, gas control, it is difficult to realize
High frequency direction changing ratio, the commutating frequency of this reversal valve is higher, and can stepless frequency modulation.
(commutating frequency is controlled in the range of 20-80Hz, and frequency is high.
The most existing reversal valve, the frequency of commutation is by the frequency limitation of the external control signal such as electromagnetism, gas control, it is difficult to realize
High frequency direction changing ratio (the highest generally 8Hz), the commutating frequency of this reversal valve is of a relatively high.(controlled in the range of 20-80Hz))
3) the startup pressure that commutation needs is little, and output services decline of pressure is little.
The most existing reversal valve spool to be realized commutates, and is typically necessary bigger input air pressure (the biggest
In 1.5Kg air pressure) stable commutation action could be realized, the startup pressure that the action of this reversal valve needs is relatively low.(air pressure is 1Kg
Time remain to steady operation)
Secondly, this reversal valve commutation gas channel separates with working air flow path, and working air current is little by commutation airflow influence,
Output services decline of pressure is little.
Further, in order to reasonable in design, above-mentioned left side piston outboard end cavity and the right piston outboard end cavity all have
Damping ring and end cap K23 closure, all there are airtight axle K24 and O closure in valve pocket two ends.
The using method of the present invention pneumatic linear reciprocating polisher, described pneumatic linear reciprocating polisher includes sand paper
Clamping plate and the main body being located on sand paper clamping plate, described main body stretches out the piston rod of two reciprocal stretching motions the most in the same direction, and two
The free end of piston rod is separately fixed on two support seats of sand paper clamping plate, and during use, user is hand-held to be fixed or by bar
Part stationary body outer surface, piston rod reciprocal stretching motion in the same direction under external force, drive sand paper clamping plate and upper clamping thereof
Sand paper linear reciprocating motion, it is achieved sand paper straight line polishing body surface.
The present invention pneumatic linear reciprocating polisher advantage:
1) linear reciprocating polishing, multiple irregular surface of polishing, can reach the vestige effect of people's manual grinding, and keep away
Exempt from the lines of the zone circle circle that rotary polisher grinds.
2) product weight is light, and portion of the handle weight only has the 1/3 of rotary polisher, reduces labor strength, it is to avoid
Rotary polisher translator, it is difficult to reduce the drawback of complete machine weight,
3) portion of the handle does not make electricity consumption, improves the safety worked under the environment such as outdoor and moist,
4) circle, the sand paper of the various shape such as square, and convenient mounting and clamping, effect pre-tensioner to sandpaper strip can be used.Purchase
The buyer just, low cost, change rotary polisher and can only use the sand paper of circular strip back flocking, the drawback that cost is high,
5) can realize polishing without side seam, multiple negative and positive angle of can polishing, it is to avoid rotary polisher is difficult to negative and positive of polishing
The drawback of the positions such as angle.
Claims (9)
1. a pneumatic linear reciprocating polisher, it is characterised in that: include sand paper clamping plate and be located on sand paper clamping plate
Main body, described main body is stretched out the piston rod of two reciprocal stretching motions in the same direction, and the free end of two-piston bar is separately fixed at sand
On two support seats of paper clamping plate;Described main body includes the housing passed through mutually, the most fixing valve pocket being located in housing and horizontal stroke
To the fixing chamber set being located at valve pocket both sides, it is provided with in described valve sleeve body and can be provided with in the set of described chamber at the spool of its internal slip
Described two-piston bar, the medial extremity of described two-piston bar is equipped with piston, and described spool is cylinder, sets on the cylinder
First, second, third annular piston having three sections of outer surfaces to match with valve pocket inner surface, is provided with two in spool and mutually puts down
First, second counterbore of row, the first counterbore from spool the first end toward the second end extend to second, third annular piston described it
Between, and communicate with arranging the first perforation between second, third annular piston, the second counterbore extends toward the first end from spool the second end
Between described first, second annular piston, and communicate with arranging the second perforation between first, second annular piston；Described valve
Set is for cylindrical shroud, and its center section part is provided with the first through hole, is positioned at valve pocket both ends circumference and is all evenly equipped with four left and right second and leads to
Hole, is provided with two third through-holes, the third through-hole axle on each two of both sides on valve pocket between the first through hole and the second through hole
Heart line conllinear, the first plane that this two axial line is formed is perpendicular with the first through hole axial line, has four to lead in the second through hole
The axial line in hole is positioned in the first plane.
Pneumatic linear reciprocating polisher the most according to claim 1, it is characterised in that: if the bottom surface of described main body is provided with
A dry roller is resisted against on the upper surface of sand paper clamping plate.
Pneumatic linear reciprocating polisher the most according to claim 1, it is characterised in that: described sand paper clamping plate two side ends
Portion is provided with V-groove, and on V-groove, pressure is provided with V-type tabletting, and described V-type tabletting is locked on sand paper clamping plate by wing nut.
Pneumatic linear reciprocating polisher the most according to claim 1, it is characterised in that: described body side is fixing to be connected
Having curved rod, curved rod to be connected with extensible gripping handle, described gripping handle central part is equipped with sweep-up pipe, described dust suction
Pipe stretches into the cover cap being located in main body.
Pneumatic linear reciprocating polisher the most according to claim 1, it is characterised in that: two-piston and valve pocket outer surface it
Between be provided with spring.
Pneumatic linear reciprocating polisher the most according to claim 1, it is characterised in that: described valve pocket surface is positioned at second
Through hole, third through-hole position are provided with undergauge, and the third through-hole of side connects with the chamber set outer surface on the left side, the chamber set on this left side
Outer surface is through with left side piston outboard end cavity again, and the third through-hole of opposite side connects with the chamber set outer surface on the right, should
The chamber set outer surface on the right is through with the right piston outboard end cavity again.
Pneumatic linear reciprocating polisher the most according to claim 6, it is characterised in that: piston outboard end chamber, the described left side
Body and the right piston outboard end cavity all have damping ring and end cap closure, and all there are airtight axle and O closure in valve pocket two ends.
8. the using method of a pneumatic linear reciprocating polisher, it is characterised in that: described pneumatic linear reciprocating polisher
Including sand paper clamping plate and the main body being located on sand paper clamping plate, described main body is stretched out the work of two reciprocal stretching motions the most in the same direction
Stopper rod, the free end of two-piston bar is separately fixed on two support seats of sand paper clamping plate, during use, user hand-held fixing or
By rod member stationary body outer surface, piston rod reciprocal stretching motion the most in the same direction under external force, drive sand paper clamping plate and
The sand paper linear reciprocating motion of upper clamping, it is achieved sand paper straight line polishing body surface;Housing that described main body includes passing through mutually,
The most fixing valve pocket being located in housing and the most fixing chamber set being located at valve pocket both sides, being provided with in described valve sleeve body can be at its body
The spool of interior slip, is provided with described two-piston bar in the set of described chamber, and the medial extremity of described two-piston bar is equipped with piston, institute
Stating spool is cylinder, is provided with first, second, third annular that three sections of outer surfaces match with valve pocket inner surface on the cylinder
Piston, is provided with two first, second counterbores being parallel to each other in spool, and the first counterbore extends toward the second end from spool the first end
Between second, third annular piston described, and communicating with arranging the first perforation between second, third annular piston, second sinks
Hole extends between described first, second annular piston toward the first end from spool the second end, and with first, second annular piston it
Between the second perforation be set communicate；Described valve pocket is cylindrical shroud, and its center section part is provided with the first through hole, is positioned at valve pocket both ends circumference
All it is evenly equipped with four left and right second through holes, valve pocket is provided with between the first through hole and the second through hole two third through-holes,
The third through-hole axial line conllinear on each two of both sides, the first plane that this two axial line is formed is hung down mutually with the first through hole axial line
Directly, the second through hole there is the axial line of four through holes be positioned in the first plane.
The using method of pneumatic linear reciprocating polisher the most according to claim 8, it is characterised in that: air inlet P with
First through hole K14 is corresponding, the third through-hole K16 on the most corresponding both sides of working hole A, working hole B, the second of S1, S2 correspondence both sides
Through hole K15；First stage, air inlet P air inlet, pressure gas passes through the annulus area of spool to working hole B output pressure, piston work
Make the pressure release gas in chamber by QI KOU A by the annulus area of spool to air vent S1 and S2 aerofluxus, now spool is by the cavity volume of left side
Gas pressure accelerates to the right mobile, and right side holds intracavity gas by air vent S1 and S2 aerofluxus；
Second stage, spool is continued to accelerate to the right to move by left side cavity volume internal gas pressure effect, will close air inlet P and air vent
S1 and S2;
Phase III, spool is in valve pocket centre position;Air inlet P, air vent S1 and S2 are in nearly closed state;Now spool
Continued to move right by left side cavity volume internal gas pressure and effect of inertia own;
Fourth stage, spool moves to valve pocket center deviation right positions;In air inlet P, pressure gas passes through spool annulus area to work
Make mouth A and lead to pressure gas;In working hole B, gas connects air vent S1 and S2 by spool annulus area, and now spool is used by itself
Property effect continues to move right, but is slowed down by right side cavity volume inner air pressure;
In 5th stage, spool moves to valve pocket right positions;In air inlet P, pressure gas passes through spool annulus area to working hole A
Logical pressure gas;In working hole B, gas connects air vent S1 and S2 by spool annulus area, and now spool is by gas in the cavity volume of right side
Pressure slows down and stops and starting moving to the left, starts reciprocal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790996.0A CN104440440B (en) | 2014-12-19 | 2014-12-19 | Pneumatic linear reciprocating polisher and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790996.0A CN104440440B (en) | 2014-12-19 | 2014-12-19 | Pneumatic linear reciprocating polisher and using method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104440440A CN104440440A (en) | 2015-03-25 |
| CN104440440B true CN104440440B (en) | 2017-01-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000360B (en) * | 2017-12-29 | 2024-03-15 | 宁波浙达技术服务有限公司 | Pneumatic polisher |
| CN110962000A (en) * | 2019-11-13 | 2020-04-07 | 广东博智林机器人有限公司 | Variable-pitch crank slider driving mechanism, polishing manipulator and polishing robot |
| CN112917277B (en) * | 2021-01-27 | 2022-03-15 | 贵州捷路安科技发展有限公司 | Polishing device for floor construction of parking lot |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4145847A (en) * | 1978-01-13 | 1979-03-27 | Hutchins Manufacturing Co. | Straight line abrading tool with balancing counterweight |
| US5179807A (en) * | 1991-11-18 | 1993-01-19 | Gupton Donald W | Floor sanding device |
| DE10253006A1 (en) * | 2002-11-14 | 2004-05-27 | Robert Bosch Gmbh | Powered hand grinder used e.g. as a vibrating sander comprises a grinding plate, and a clamping device having a clamping surface and a removable clamping clip with a manual actuating element |
| CN201693420U (en) * | 2010-06-18 | 2011-01-05 | 朱志国 | Portable energy-saving environment-friendly type sander |
| CN203019178U (en) * | 2012-12-13 | 2013-06-26 | 南京天球工贸有限公司 | Dust-free sander |
| CN204413784U (en) * | 2014-12-19 | 2015-06-24 | 林东亮 | Pneumatic linear reciprocating sander |
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2014
- 2014-12-19 CN CN201410790996.0A patent/CN104440440B/en active Active
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