CN108000360B - Pneumatic polisher - Google Patents
Pneumatic polisher Download PDFInfo
- Publication number
- CN108000360B CN108000360B CN201711476827.XA CN201711476827A CN108000360B CN 108000360 B CN108000360 B CN 108000360B CN 201711476827 A CN201711476827 A CN 201711476827A CN 108000360 B CN108000360 B CN 108000360B
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- CN
- China
- Prior art keywords
- positioning block
- shell
- switch
- polishing
- vertical
- 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.)
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- 238000005498 polishing Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a pneumatic polisher, which relates to the field of polishing equipment and comprises: the shell, the transmission part and the polishing part are arranged in the shell, and the control part is arranged at the tail end of the shell; the control part is communicated with an external air source and controls the external air source to enter the transmission part; the transmission part is used for driving the polishing part to do linear reciprocating motion; the polishing part comprises an oilstone, a clamping plate and an axial sliding bearing; the oilstone is fixed at the front end of the clamping plate; the axial sliding bearing is sleeved on the clamping plate; the axial sliding bearing can linearly and axially slide at the front end of the shell; the front end of the shell is also provided with a limiting mechanism which is fixed on the shell; the limiting mechanism is used for limiting the polishing amount of the oilstone. According to the invention, through the reciprocating design, the transmission rotary design is replaced, so that the polishing machine can polish a plane at a tiny place, and the polishing precision is higher through the design of the limiting mechanism.
Description
Technical Field
The invention relates to the field of polishing equipment, in particular to a pneumatic polishing machine.
Background
In industrial production, in order to improve the machining precision of parts, the grinding and polishing process is usually needed, and the handheld grinding machine is the most common grinding equipment, but the handheld grinding machine on the market at present adopts rotary type to grind only large-area parts, and for small places of parts, the grinding is performed through oilstones or files, so that the production benefit is lower.
The invention discloses an angle grinder disclosed in Chinese patent No. 104084868A, which comprises a machine body, a head shell, an output shaft arranged in the head shell and a grinding wheel arranged at the bottom end of the output shaft, wherein a grinding wheel protective cover is arranged at the outer end of the grinding wheel, screw holes for screwing handles are formed in the left end and the right end of the head shell, the head shell is arranged at the head end of the machine body, a heat dissipation hole is formed in the machine body, a self-locking device is arranged in the head shell and comprises a self-locking button, a self-locking spring, a locking support and a limiting block, the self-locking button is arranged on the head shell, the locking support is arranged at the bottom end of the self-locking button, the self-locking spring is sleeved outside the locking support, the bottom end of the locking support is positioned at one side of the output shaft, the locking support is meshed with the output shaft through a locking gear, and the limiting block is arranged between the self-locking button and the locking support. Therefore, it is highly desirable to design a polishing machine capable of polishing small parts, so as to replace the conventional rotary polishing machine and improve the working efficiency.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems of the prior art, and particularly provides a novel power sander which solves the problem that the sander in the prior art has excessive overall weight due to the factors of a power structure.
2. Technical proposal
In order to solve the above technical problems, the present invention provides a pneumatic sander, comprising: the shell, the transmission part and the polishing part are arranged in the shell, and the control part is arranged at the tail end of the shell; the control part is communicated with an external air source and controls the external air source to enter the transmission part; the transmission part is used for driving the polishing part to do linear reciprocating motion;
the polishing part comprises an oilstone, a clamping plate and an axial sliding bearing; the oilstone is fixed at the front end of the clamping plate; the axial sliding bearing is sleeved on the clamping plate; the axial sliding bearing can linearly and axially slide at the front end of the shell;
the front end of the shell is also provided with a limiting mechanism which is fixed on the shell; the limiting mechanism is used for limiting the polishing amount of the oilstone.
The control part comprises a rear shell, a rear cover, a switch pin, a trigger, a switch sealing sleeve, a switch sealing rubber ring, an adjusting screw and a switch reset spring; the rear cover is sleeved at the tail end of the rear shell; the switch pin, the switch sealing rubber ring and the switch sealing sleeve are sequentially arranged in the rear shell from the side surface of the rear shell; the switch reset spring and the adjusting screw are sequentially arranged in the rear shell from the other side surface of the rear shell, and the switch reset spring props against the switch pin; the trigger is movably connected with one side surface of the rear shell, and presses the switch pin.
Wherein, the trigger is provided with a safety block; the safety block is movably connected with the trigger.
Wherein, the safety block is provided with a safety spring; the safety spring is used for pushing the safety block to keep the safety block and the trigger in a vertical state.
Wherein, the axial sliding bearing is hexagonal in cross section.
The limiting mechanism comprises a connecting column, a longitudinal positioning block, a vertical positioning block and a vertical positioning block fixing screw;
the first end of the connecting column is inserted from the first end of the longitudinal positioning block, and the longitudinal positioning block can axially slide on the connecting column;
the second end of the connecting column is inserted from the front end of the shell;
the vertical positioning block is connected with the longitudinal positioning block through a vertical positioning block fixing screw.
The upper part of the vertical positioning block is provided with a vertical column, and the vertical column penetrates through the bottom of the longitudinal positioning block.
Wherein, the vertical column is carved with a graduated scale.
The screw head of the vertical positioning block fixing screw is provided with a first anti-slip layer; a second anti-slip layer is arranged on the screw counter bore of the longitudinal positioning block; the first anti-slip layer and the second anti-slip layer are mutually matched, so that the fixing screw of the vertical positioning block achieves an anti-slip effect.
3. The beneficial effects of the invention are that
Compared with the prior art, the pneumatic grinding machine has the following advantages:
(1) According to the invention, through the reciprocating design, the transmission rotary design is replaced, so that the polishing machine can polish the plane of the tiny place;
(2) According to the invention, through the design of the limiting mechanism, the polishing precision of the polishing machine is higher;
(3) According to the invention, through pneumatic design, each component has no complex circuit, and the production efficiency and the product stability are improved.
Drawings
Fig. 1 is an external view of a pneumatic sander according to the present invention;
FIG. 2 is an internal structural view of the pneumatic sander of the present invention;
FIG. 3 is a block diagram of a vertical positioning block of the pneumatic sander of the present invention;
in the figure: 1 is a shell; 2 is a transmission part; 3 is a polishing part; 4 is a control part; 5 is a limiting mechanism; 31 is oilstone; 32 is a splint; 33 is an axial sliding bearing; 41 is a rear housing; 42 is a rear cover; 43 is a switch pin; 44 is a trigger; 45 is a switch sealing sleeve; 46 is a switch sealing rubber ring; 47 is an adjusting screw; 48 is a switch return spring; 51 is a connecting column; 52 is a longitudinal positioning block; 53 is a vertical positioning block; 54 is a vertical positioning block fixing screw; 441 is an insurance block; 442 is a safety spring;
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
The pneumatic sander according to the embodiment of the present invention has a structure as shown in fig. 1 to 3, including: the polishing machine comprises a machine shell 1, a transmission part 2 and a polishing part 3 which are arranged in the machine shell 1, and a control part 4 arranged at the tail end of the machine shell 1; the control part 4 is communicated with an external air source and controls the external air source to enter the transmission part 2; the transmission part 2 is used for driving the polishing part 3 to do linear reciprocating motion;
the grinding part 3 comprises an oilstone 31, a clamping plate 32 and an axial sliding bearing 33; the oilstone 31 is fixed at the front end of the clamping plate 32; the axial sliding bearing 33 is sleeved on the clamping plate 32; the axial sliding bearing 33 can axially slide linearly at the front end of the casing 1; the oilstone 31 is driven by the reciprocation of the transmission part 2 to finish polishing work; and the axial sliding bearing 33 is hexagonal in cross section, so that the axial sliding bearing 33 has a smoother linear reciprocating motion, and the oilstone 31 is smoother in the polishing process and cannot rotate.
The front end of the shell 1 is also provided with a limiting mechanism 5, and the limiting mechanism 5 is fixed on the shell 1; the limiting mechanism 5 is used for limiting the polishing amount of the oilstone 31 and precisely controlling polishing precision.
The control part 4 comprises a rear casing 41, a rear cover 42, a switch pin 43, a trigger 44, a switch sealing sleeve 45, a switch sealing rubber ring 46, an adjusting screw 47 and a switch return spring 48; the rear cover 42 is sleeved at the tail end of the rear shell 41; the switch pin 43, the switch sealing rubber 46 and the switch sealing sleeve 45 are sequentially installed in the rear housing 41 from the side surface of the rear housing 41; the switch return spring 48 and the adjusting screw 47 are sequentially arranged in the rear housing 41 from the other side surface of the rear housing 41, the switch return spring 48 props against the switch pin 43, and the switch pin 43 is pushed to return under the action of self elastic force so that the control part 4 is in a closed state; the trigger 44 is movably connected to one side of the rear case 41, and the trigger 44 presses the switch pin 43, and pressing the trigger 44 can bring the control section 4 into an open state.
The trigger 44 is provided with a safety block 441; the safety block 441 is movably connected with the trigger 44; the safety block 441 is provided with a safety spring 442; the safety spring 442 can push the safety block 441 to keep the safety block 441 and the trigger 44 in a vertical state, and at this time, the safety block 441 abuts against the trigger 44, so that the trigger 44 cannot be pressed down to open the polishing machine, and accidental opening of the polishing machine can be effectively prevented.
The limiting mechanism 5 comprises a connecting column 51, a longitudinal positioning block 52, a vertical positioning block 53 and a vertical positioning block fixing screw 54;
the first end of the connecting column 51 is inserted from the first end of the longitudinal positioning block 52, and the longitudinal positioning block 52 can axially slide on the connecting column 51; the longitudinal positioning block 52 can be fixed on the connecting column 51 by screwing the screw, and the connecting column 51 can slide axially by unscrewing the screw longitudinal positioning block 52;
the second end of the connecting column 51 is inserted from the front end of the casing 1 and fixed with the front end of the casing 1 through a screw, and when the screw is unscrewed, the connecting column 51 can also axially slide on the casing 1; further increasing the stroke of the longitudinal adjustment.
The vertical positioning block 53 is connected with the longitudinal positioning block 52 through a vertical positioning block fixing screw 54, and the vertical positioning block 53 can move in the vertical direction by adjusting the vertical positioning block fixing screw 54.
The upper part of the vertical positioning block 53 is provided with a vertical column, the vertical column penetrates through the bottom of the longitudinal positioning block 52, and a scale is carved on the vertical column, so that the accurate adjustment of the vertical positioning block 53 in the vertical direction is convenient to observe.
The screw head of the vertical positioning block fixing screw 54 is provided with a first anti-slip layer; a second anti-slip layer is arranged on the screw counter bore of the longitudinal positioning block 52; the first anti-slip layer and the second anti-slip layer are mutually matched, so that the vertical positioning block fixing screw 54 achieves an anti-slip effect, and the phenomenon that the vertical positioning block fixing screw 54 loosens due to vibration in the operation process of the grinding machine does not occur, and the grinding precision is affected.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. A pneumatic sander, comprising: a machine shell (1), a transmission part (2) and a polishing part (3) which are arranged in the machine shell (1), and a control part (4) which is arranged at the tail end of the machine shell (1); the control part (4) is communicated with an external air source and controls the external air source to enter the transmission part (2); the transmission part (2) is used for driving the polishing part (3) to do linear reciprocating motion;
the polishing part (3) comprises an oilstone (31), a clamping plate (32) and an axial sliding bearing (33); the oilstone (31) is fixed at the front end of the clamping plate (32); the axial sliding bearing (33) is sleeved on the clamping plate (32); the axial sliding bearing (33) can axially slide linearly at the front end of the shell (1), and the axial sliding bearing (33) is hexagonal in cross section;
the front end of the shell (1) is also provided with a limiting mechanism (5), and the limiting mechanism (5) is fixed on the shell (1); the limiting mechanism (5) is used for limiting the polishing amount of the oilstone (31);
the limiting mechanism (5) comprises a connecting column (51), a longitudinal positioning block (52), a vertical positioning block (53) and a vertical positioning block fixing screw (54);
the first end of the connecting column (51) is inserted from the first end of the longitudinal positioning block (52), and the longitudinal positioning block (52) can axially slide on the connecting column (51);
the second end of the connecting column (51) is inserted from the front end part of the shell (1);
the vertical positioning block (53) is connected with the longitudinal positioning block (52) through the vertical positioning block fixing screw (54);
the upper part of the vertical positioning block (53) is provided with a vertical column, and the vertical column penetrates through the bottom of the longitudinal positioning block (52).
2. The pneumatic sander as set forth in claim 1, wherein said control portion (4) comprises a rear housing (41), a rear cover (42), a switch pin (43), a trigger (44), a switch seal cartridge (45), a switch seal ring (46), an adjustment screw (47), and a switch return spring (48); the rear cover (42) is sleeved at the tail end of the rear shell (41); the switch pin (43), the switch sealing rubber ring (46) and the switch sealing sleeve (45) are sequentially arranged in the rear shell (41) from the side surface of the rear shell (41); the switch return spring (48) and the adjusting screw (47) are sequentially arranged in the rear housing (41) from the other side surface of the rear housing (41), and the switch return spring (48) abuts against the switch pin (43); the trigger (44) is movably connected with one side surface of the rear housing (41), and the trigger (44) presses the switch pin (43).
3. Pneumatic sander as set forth in claim 2, characterized in that said trigger (44) is provided with a safety block (441); the safety block (441) is movably connected with the trigger (44).
4. A pneumatic sander as set forth in claim 3, characterized in that said safety block (441) is provided with a safety spring (442); the safety spring (442) is used for pushing the safety block (441) to keep the safety block (441) and the trigger (44) in a vertical state.
5. The air sander of claim 1, wherein said vertical upright is carved with a graduated scale.
6. The air-operated grinding machine according to claim 5, characterized in that the screw head of the vertical positioning block fixing screw (54) is provided with a first anti-slip layer; a second anti-slip layer is arranged on the screw counter bore of the longitudinal positioning block (52); the first anti-slip layer and the second anti-slip layer are mutually matched, so that the vertical positioning block fixing screw (54) achieves an anti-slip effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476827.XA CN108000360B (en) | 2017-12-29 | 2017-12-29 | Pneumatic polisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476827.XA CN108000360B (en) | 2017-12-29 | 2017-12-29 | Pneumatic polisher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108000360A CN108000360A (en) | 2018-05-08 |
| CN108000360B true CN108000360B (en) | 2024-03-15 |
Family
ID=62048952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711476827.XA Active CN108000360B (en) | 2017-12-29 | 2017-12-29 | Pneumatic polisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108000360B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116985000B (en) * | 2023-09-22 | 2023-12-08 | 中铁城建集团第一工程有限公司 | Steel structure welding corrosion prevention equipment and construction process under high-temperature and high-humidity environment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287071Y (en) * | 1996-05-10 | 1998-08-05 | 周美芝 | Aerated reciprocal grinder |
| CN1205664A (en) * | 1995-12-19 | 1999-01-20 | 罗伯特-博希股份公司 | Hand-held electric tool |
| CN101200062A (en) * | 2006-12-15 | 2008-06-18 | 常州赛迪电气制造有限公司 | Multi-functional electric tools |
| CN202099455U (en) * | 2011-05-13 | 2012-01-04 | 海宁苏拉纱线有限公司 | Stable movable knife rest of chenille machine |
| CN104400601A (en) * | 2014-10-29 | 2015-03-11 | 芜湖赛德交通设备有限公司 | Longitudinal reciprocating motion type grinder |
| CN104440440A (en) * | 2014-12-19 | 2015-03-25 | 林东亮 | Pneumatic straight line reciprocation-type grinding machine and using method thereof |
| JP2015100850A (en) * | 2013-11-20 | 2015-06-04 | 室本鉄工株式会社 | Air type driving tool |
| CN104989077A (en) * | 2015-07-17 | 2015-10-21 | 林健明 | Cutter grinder for wall shoveling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4721923B2 (en) * | 2005-07-13 | 2011-07-13 | 日東工器株式会社 | Pneumatic drive tool |
-
2017
- 2017-12-29 CN CN201711476827.XA patent/CN108000360B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205664A (en) * | 1995-12-19 | 1999-01-20 | 罗伯特-博希股份公司 | Hand-held electric tool |
| CN2287071Y (en) * | 1996-05-10 | 1998-08-05 | 周美芝 | Aerated reciprocal grinder |
| CN101200062A (en) * | 2006-12-15 | 2008-06-18 | 常州赛迪电气制造有限公司 | Multi-functional electric tools |
| CN202099455U (en) * | 2011-05-13 | 2012-01-04 | 海宁苏拉纱线有限公司 | Stable movable knife rest of chenille machine |
| JP2015100850A (en) * | 2013-11-20 | 2015-06-04 | 室本鉄工株式会社 | Air type driving tool |
| CN104400601A (en) * | 2014-10-29 | 2015-03-11 | 芜湖赛德交通设备有限公司 | Longitudinal reciprocating motion type grinder |
| CN104440440A (en) * | 2014-12-19 | 2015-03-25 | 林东亮 | Pneumatic straight line reciprocation-type grinding machine and using method thereof |
| CN104989077A (en) * | 2015-07-17 | 2015-10-21 | 林健明 | Cutter grinder for wall shoveling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108000360A (en) | 2018-05-08 |
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